These packages are used for building and running the samples.
```
-sudo apt-get install git subversion cmake libgl1-mesa-dev freeglut3-dev libglm-dev libpng12-dev libmagickwand-dev qt5-default libpciaccess-dev libpthread-stubs0-dev libudev-dev
+sudo apt-get install git subversion cmake libgl1-mesa-dev freeglut3-dev libglm-dev libmagickwand-dev qt5-default libpciaccess-dev libpthread-stubs0-dev libudev-dev
sudo apt-get build-dep mesa
```
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\r
DEALINGS IN THE SOFTWARE.\r
\r
+/*\r
+ Copyright (c) 2009 Dave Gamble\r
+\r
+ Permission is hereby granted, free of charge, to any person obtaining a copy\r
+ of this software and associated documentation files (the "Software"), to deal\r
+ in the Software without restriction, including without limitation the rights\r
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
+ copies of the Software, and to permit persons to whom the Software is\r
+ furnished to do so, subject to the following conditions:\r
+\r
+ The above copyright notice and this permission notice shall be included in\r
+ all copies or substantial portions of the Software.\r
+\r
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
+ THE SOFTWARE.\r
+*/\r
+\r
+/*\r
+\r
+ Copyright Kevlin Henney, 1997, 2003, 2012. All rights reserved.\r
+\r
+ Permission to use, copy, modify, and distribute this software and its\r
+ documentation for any purpose is hereby granted without fee, provided\r
+ that this copyright and permissions notice appear in all copies and\r
+ derivatives.\r
+ \r
+ This software is supplied "as is" without express or implied warranty.\r
+\r
+ But that said, if there are any problems please get in touch.\r
+\r
+*/\r
+\r
+Copyright 2008, Google Inc.\r
+All rights reserved.\r
+\r
+Redistribution and use in source and binary forms, with or without\r
+modification, are permitted provided that the following conditions are\r
+met:\r
+\r
+ * Redistributions of source code must retain the above copyright\r
+notice, this list of conditions and the following disclaimer.\r
+ * Redistributions in binary form must reproduce the above\r
+copyright notice, this list of conditions and the following disclaimer\r
+in the documentation and/or other materials provided with the\r
+distribution.\r
+ * Neither the name of Google Inc. nor the names of its\r
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+\r
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
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+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
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+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+\r
+\r
+/*\r
+ * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.\r
+ * Copyright (c) 2014, Valve Software. All rights reserved.\r
+ * \r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions\r
+ * are met:\r
+ * * Redistributions of source code must retain the above copyright\r
+ * notice, this list of conditions and the following disclaimer.\r
+ * * Redistributions in binary form must reproduce the above copyright\r
+ * notice, this list of conditions and the following disclaimer in the\r
+ * documentation and/or other materials provided with the distribution.\r
+ * * Neither the name of NVIDIA CORPORATION nor the names of its\r
+ * contributors may be used to endorse or promote products derived\r
+ * from this software without specific prior written permission.\r
+ * \r
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY\r
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
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+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\r
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+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\r
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+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+ */\r
+\r
+/*\r
+ DO WHAT THE **** YOU WANT TO PUBLIC LICENSE\r
+ Version 2, December 2004\r
+\r
+ Copyright (C) 2013 Wolfgang 'datenwolf' Draxinger <code@datenwolf.net>\r
+\r
+ Everyone is permitted to copy and distribute verbatim or modified\r
+ copies of this license document, and changing it is allowed as long\r
+ as the name is changed.\r
+\r
+ DO WHAT THE **** YOU WANT TO PUBLIC LICENSE\r
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION\r
+\r
+ 0. You just DO WHAT THE FUCK YOU WANT TO.\r
+*/\r
+\r
+/*\r
+** Copyright (c) 2014-2015 The Khronos Group Inc.\r
+**\r
+** Permission is hereby granted, free of charge, to any person obtaining a\r
+** copy of this software and/or associated documentation files (the\r
+** "Materials"), to deal in the Materials without restriction, including\r
+** without limitation the rights to use, copy, modify, merge, publish,\r
+** distribute, sublicense, and/or sell copies of the Materials, and to\r
+** permit persons to whom the Materials are furnished to do so, subject to\r
+** the following conditions:\r
+**\r
+** The above copyright notice and this permission notice shall be included\r
+** in all copies or substantial portions of the Materials.\r
+**\r
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\r
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\r
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\r
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\r
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.\r
+*/\r
+\r
+/// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)\r
+/// Permission is hereby granted, free of charge, to any person obtaining a copy\r
+/// of this software and associated documentation files (the "Software"), to deal\r
+/// in the Software without restriction, including without limitation the rights\r
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
+/// copies of the Software, and to permit persons to whom the Software is\r
+/// furnished to do so, subject to the following conditions:\r
+/// \r
+/// The above copyright notice and this permission notice shall be included in\r
+/// all copies or substantial portions of the Software.\r
+/// \r
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
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+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
+/// THE SOFTWARE.\r
+///\r
+\r
find_package(XCB REQUIRED)
endif()
-if(NOT WIN32)
- if(NOT EXISTS /usr/include/png.h)
- message(FATAL_ERROR "Necessary png12-dev headers cannot be found: sudo apt-get install libpng12-dev")
- endif()
-endif()
-
file(GLOB TEXTURES
- "${PROJECT_SOURCE_DIR}/demos/*.png"
+ "${PROJECT_SOURCE_DIR}/demos/*.ppm"
)
file(COPY ${TEXTURES} DESTINATION ${CMAKE_BINARY_DIR}/demos)
"${PROJECT_SOURCE_DIR}/icd/common"
)
- link_libraries(${XCB_LIBRARIES} vulkan png m)
+ link_libraries(${XCB_LIBRARIES} vulkan m)
endif()
if(WIN32)
include_directories (
"${PROJECT_SOURCE_DIR}/icd/common"
- "${PROJECT_SOURCE_DIR}/libs/libpng"
- "${PROJECT_SOURCE_DIR}/libs/zlib"
)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS -D_USE_MATH_DEFINES")
else()
set (LIB_DIR "Win32")
endif()
- add_library(libpngd STATIC IMPORTED)
- set_target_properties(libpngd PROPERTIES IMPORTED_LOCATION ${PROJECT_SOURCE_DIR}/libs/${LIB_DIR}/libpngd.lib)
- add_library(zlibd STATIC IMPORTED)
- set_target_properties(zlibd PROPERTIES IMPORTED_LOCATION ${PROJECT_SOURCE_DIR}/libs/${LIB_DIR}/zlibd.lib)
+
add_executable(cube WIN32 cube.c ${CMAKE_BINARY_DIR}/demos/cube-vert.spv ${CMAKE_BINARY_DIR}/demos/cube-frag.spv)
- target_link_libraries(cube ${LIBRARIES} libpngd zlibd)
+ target_link_libraries(cube ${LIBRARIES} )
endif()
#include "vk_sdk_platform.h"
#include "linmath.h"
-#include <png.h>
#define DEMO_BUFFER_COUNT 2
#define DEMO_TEXTURE_COUNT 1
};
static char *tex_files[] = {
- "lunarg-logo-256x256-solid.png"
+ "lunarg.ppm"
};
struct vkcube_vs_uniform {
assert(!err);
}
-/** loadTexture
- * loads a png file into an memory object, using cstdio , libpng.
- *
- * \param demo : Needed to access VK calls
- * \param filename : the png file to be loaded
- * \param width : width of png, to be updated as a side effect of this function
- * \param height : height of png, to be updated as a side effect of this function
- *
- * \return bool : an opengl texture id. true if successful?,
- * should be validated by the client of this function.
- *
- * Source: http://en.wikibooks.org/wiki/OpenGL_Programming/Intermediate/Textures
- * Modified to copy image to memory
- *
- */
+/* Load a ppm file into memory */
bool loadTexture(const char *filename, uint8_t *rgba_data,
VkSubresourceLayout *layout,
int32_t *width, int32_t *height)
{
- //header for testing if it is a png
- png_byte header[8];
- int is_png, bit_depth, color_type, rowbytes;
- size_t retval;
- png_uint_32 i, twidth, theight;
- png_structp png_ptr;
- png_infop info_ptr, end_info;
- png_byte *image_data;
- png_bytep *row_pointers;
-
- //open file as binary
- FILE *fp = fopen(filename, "rb");
- if (!fp) {
- return false;
- }
-
- //read the header
- retval = fread(header, 1, 8, fp);
- if (retval != 8) {
- fclose(fp);
- return false;
- }
-
- //test if png
- is_png = !png_sig_cmp(header, 0, 8);
- if (!is_png) {
- fclose(fp);
- return false;
- }
-
- //create png struct
- png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL,
- NULL, NULL);
- if (!png_ptr) {
- fclose(fp);
- return (false);
- }
-
- //create png info struct
- info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr) {
- png_destroy_read_struct(&png_ptr, (png_infopp) NULL, (png_infopp) NULL);
- fclose(fp);
- return (false);
- }
-
- //create png info struct
- end_info = png_create_info_struct(png_ptr);
- if (!end_info) {
- png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
- fclose(fp);
- return (false);
- }
-
- //png error stuff, not sure libpng man suggests this.
- if (setjmp(png_jmpbuf(png_ptr))) {
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- fclose(fp);
- return (false);
- }
-
- //init png reading
- png_init_io(png_ptr, fp);
-
- //let libpng know you already read the first 8 bytes
- png_set_sig_bytes(png_ptr, 8);
-
- // read all the info up to the image data
- png_read_info(png_ptr, info_ptr);
-
- // get info about png
- png_get_IHDR(png_ptr, info_ptr, &twidth, &theight, &bit_depth, &color_type,
- NULL, NULL, NULL);
-
- //update width and height based on png info
- *width = twidth;
- *height = theight;
-
- // Require that incoming texture be 8bits per color component
- // and 4 components (RGBA).
- if (png_get_bit_depth(png_ptr, info_ptr) != 8 ||
- png_get_channels(png_ptr, info_ptr) != 4) {
- return false;
- }
-
- if (rgba_data == NULL) {
- // If data pointer is null, we just want the width & height
- // clean up memory and close stuff
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- fclose(fp);
-
- return true;
- }
-
- // Update the png info struct.
- png_read_update_info(png_ptr, info_ptr);
-
- // Row size in bytes.
- rowbytes = png_get_rowbytes(png_ptr, info_ptr);
-
- // Allocate the image_data as a big block, to be given to opengl
- image_data = (png_byte *)malloc(rowbytes * theight * sizeof(png_byte));
- if (!image_data) {
- //clean up memory and close stuff
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- fclose(fp);
- return false;
- }
-
- // row_pointers is for pointing to image_data for reading the png with libpng
- row_pointers = (png_bytep *)malloc(theight * sizeof(png_bytep));
- if (!row_pointers) {
- //clean up memory and close stuff
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- // delete[] image_data;
- fclose(fp);
- return false;
- }
- // set the individual row_pointers to point at the correct offsets of image_data
- for (i = 0; i < theight; ++i)
- row_pointers[theight - 1 - i] = rgba_data + i * layout->rowPitch;
+ FILE *fPtr = fopen(filename,"rb");
+ char header[256], *cPtr;
- // read the png into image_data through row_pointers
- png_read_image(png_ptr, row_pointers);
+ if (!fPtr)
+ return false;
- // clean up memory and close stuff
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- free(row_pointers);
- free(image_data);
- fclose(fp);
+ cPtr = fgets(header, 256, fPtr); // P6
+ if (cPtr == NULL || strncmp(header, "P6\n", 3))
+ return false;
+
+ do {
+ cPtr = fgets(header, 256, fPtr);
+ if (cPtr == NULL)
+ return false;
+ } while ( !strncmp(header, "#", 1) );
+
+ sscanf(header, "%u %u", height, width);
+ if (rgba_data == NULL)
+ return true;
+ fgets(header, 256, fPtr); // Format
+ if (cPtr == NULL || strncmp(header, "255\n", 3))
+ return false;
+ for(int y = 0; y < *height; y++)
+ {
+ uint8_t *rowPtr = rgba_data;
+ for(int x = 0; x < *width; x++)
+ {
+ fread(rowPtr, 3, 1, fPtr);
+ rowPtr[3] = 255; /* Alpha of 1 */
+ rowPtr += 4;
+ }
+ rgba_data += layout->rowPitch;
+ }
+ fclose(fPtr);
return true;
}
// Wait for work to finish before updating MVP.
vkDeviceWaitIdle(demo->device);
demo->curFrame++;
- if (demo->frameCount != INT_MAX && demo->curFrame == demo->frameCount)
+ if (demo->frameCount != INT32_MAX && demo->curFrame == demo->frameCount)
demo->quit = true;
}
vec3 up = {0.0f, 1.0f, 0.0};
memset(demo, 0, sizeof(*demo));
- demo->frameCount = INT_MAX;
+ demo->frameCount = INT32_MAX;
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "--use_staging") == 0) {
continue;
}
if (strcmp(argv[i], "--c") == 0 &&
- demo->frameCount == INT_MAX &&
+ demo->frameCount == INT32_MAX &&
i < argc-1 &&
sscanf(argv[i+1],"%d", &demo->frameCount) == 1 &&
demo->frameCount >= 0)
--- /dev/null
+P6
+256 256
+255
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\ No newline at end of file
+++ /dev/null
-#ifndef __RANDR_H
-#define __RANDR_H
-
-typedef void * xcb_randr_provider_t;
-typedef uint32_t xcb_randr_crtc_t;
-
-#endif // __RANDR_H
+++ /dev/null
-/*
- * Copyright (C) 2001-2006 Bart Massey, Jamey Sharp, and Josh Triplett.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the names of the authors or their
- * institutions shall not be used in advertising or otherwise to promote the
- * sale, use or other dealings in this Software without prior written
- * authorization from the authors.
- */
-
-#ifndef __XCB_H__
-#define __XCB_H__
-#include <sys/types.h>
-
-#if defined(__solaris__)
-#include <inttypes.h>
-#else
-#include <stdint.h>
-#endif
-
-#ifndef _WIN32
-#include <sys/uio.h>
-#else
-#include "xcb_windefs.h"
-#endif
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @file xcb.h
- */
-
-#define XCB_PACKED __attribute__((__packed__))
-
-/**
- * @defgroup XCB_Core_API XCB Core API
- * @brief Core API of the XCB library.
- *
- * @{
- */
-
-/* Pre-defined constants */
-
-/** Current protocol version */
-#define X_PROTOCOL 11
-
-/** Current minor version */
-#define X_PROTOCOL_REVISION 0
-
-/** X_TCP_PORT + display number = server port for TCP transport */
-#define X_TCP_PORT 6000
-
-/** xcb connection errors because of socket, pipe and other stream errors. */
-#define XCB_CONN_ERROR 1
-
-/** xcb connection shutdown because of extension not supported */
-#define XCB_CONN_CLOSED_EXT_NOTSUPPORTED 2
-
-/** malloc(), calloc() and realloc() error upon failure, for eg ENOMEM */
-#define XCB_CONN_CLOSED_MEM_INSUFFICIENT 3
-
-/** Connection closed, exceeding request length that server accepts. */
-#define XCB_CONN_CLOSED_REQ_LEN_EXCEED 4
-
-/** Connection closed, error during parsing display string. */
-#define XCB_CONN_CLOSED_PARSE_ERR 5
-
-/** Connection closed because the server does not have a screen matching the display. */
-#define XCB_CONN_CLOSED_INVALID_SCREEN 6
-
-/** Connection closed because some FD passing operation failed */
-#define XCB_CONN_CLOSED_FDPASSING_FAILED 7
-
-#define XCB_TYPE_PAD(T,I) (-(I) & (sizeof(T) > 4 ? 3 : sizeof(T) - 1))
-
-/* Opaque structures */
-
-/**
- * @brief XCB Connection structure.
- *
- * A structure that contain all data that XCB needs to communicate with an X server.
- */
-typedef struct xcb_connection_t xcb_connection_t; /**< Opaque structure containing all data that XCB needs to communicate with an X server. */
-
-
-/* Other types */
-
-/**
- * @brief Generic iterator.
- *
- * A generic iterator structure.
- */
-typedef struct {
- void *data; /**< Data of the current iterator */
- int rem; /**< remaining elements */
- int index; /**< index of the current iterator */
-} xcb_generic_iterator_t;
-
-/**
- * @brief Generic reply.
- *
- * A generic reply structure.
- */
-typedef struct {
- uint8_t response_type; /**< Type of the response */
- uint8_t pad0; /**< Padding */
- uint16_t sequence; /**< Sequence number */
- uint32_t length; /**< Length of the response */
-} xcb_generic_reply_t;
-
-/**
- * @brief Generic event.
- *
- * A generic event structure.
- */
-typedef struct {
- uint8_t response_type; /**< Type of the response */
- uint8_t pad0; /**< Padding */
- uint16_t sequence; /**< Sequence number */
- uint32_t pad[7]; /**< Padding */
- uint32_t full_sequence; /**< full sequence */
-} xcb_generic_event_t;
-
-/**
- * @brief GE event
- *
- * An event as sent by the XGE extension. The length field specifies the
- * number of 4-byte blocks trailing the struct.
- *
- * @deprecated Since some fields in this struct have unfortunate names, it is
- * recommended to use xcb_ge_generic_event_t instead.
- */
-typedef struct {
- uint8_t response_type; /**< Type of the response */
- uint8_t pad0; /**< Padding */
- uint16_t sequence; /**< Sequence number */
- uint32_t length;
- uint16_t event_type;
- uint16_t pad1;
- uint32_t pad[5]; /**< Padding */
- uint32_t full_sequence; /**< full sequence */
-} xcb_ge_event_t;
-
-/**
- * @brief Generic error.
- *
- * A generic error structure.
- */
-typedef struct {
- uint8_t response_type; /**< Type of the response */
- uint8_t error_code; /**< Error code */
- uint16_t sequence; /**< Sequence number */
- uint32_t resource_id; /** < Resource ID for requests with side effects only */
- uint16_t minor_code; /** < Minor opcode of the failed request */
- uint8_t major_code; /** < Major opcode of the failed request */
- uint8_t pad0;
- uint32_t pad[5]; /**< Padding */
- uint32_t full_sequence; /**< full sequence */
-} xcb_generic_error_t;
-
-/**
- * @brief Generic cookie.
- *
- * A generic cookie structure.
- */
-typedef struct {
- unsigned int sequence; /**< Sequence number */
-} xcb_void_cookie_t;
-
-
-/* Include the generated xproto header. */
-#include "xproto.h"
-
-
-/** XCB_NONE is the universal null resource or null atom parameter value for many core X requests */
-#define XCB_NONE 0L
-
-/** XCB_COPY_FROM_PARENT can be used for many xcb_create_window parameters */
-#define XCB_COPY_FROM_PARENT 0L
-
-/** XCB_CURRENT_TIME can be used in most requests that take an xcb_timestamp_t */
-#define XCB_CURRENT_TIME 0L
-
-/** XCB_NO_SYMBOL fills in unused entries in xcb_keysym_t tables */
-#define XCB_NO_SYMBOL 0L
-
-
-/* xcb_auth.c */
-
-/**
- * @brief Container for authorization information.
- *
- * A container for authorization information to be sent to the X server.
- */
-typedef struct xcb_auth_info_t {
- int namelen; /**< Length of the string name (as returned by strlen). */
- char *name; /**< String containing the authentication protocol name, such as "MIT-MAGIC-COOKIE-1" or "XDM-AUTHORIZATION-1". */
- int datalen; /**< Length of the data member. */
- char *data; /**< Data interpreted in a protocol-specific manner. */
-} xcb_auth_info_t;
-
-
-/* xcb_out.c */
-
-/**
- * @brief Forces any buffered output to be written to the server.
- * @param c: The connection to the X server.
- * @return > @c 0 on success, <= @c 0 otherwise.
- *
- * Forces any buffered output to be written to the server. Blocks
- * until the write is complete.
- */
-int xcb_flush(xcb_connection_t *c);
-
-/**
- * @brief Returns the maximum request length that this server accepts.
- * @param c: The connection to the X server.
- * @return The maximum request length field.
- *
- * In the absence of the BIG-REQUESTS extension, returns the
- * maximum request length field from the connection setup data, which
- * may be as much as 65535. If the server supports BIG-REQUESTS, then
- * the maximum request length field from the reply to the
- * BigRequestsEnable request will be returned instead.
- *
- * Note that this length is measured in four-byte units, making the
- * theoretical maximum lengths roughly 256kB without BIG-REQUESTS and
- * 16GB with.
- */
-uint32_t xcb_get_maximum_request_length(xcb_connection_t *c);
-
-/**
- * @brief Prefetch the maximum request length without blocking.
- * @param c: The connection to the X server.
- *
- * Without blocking, does as much work as possible toward computing
- * the maximum request length accepted by the X server.
- *
- * Invoking this function may cause a call to xcb_big_requests_enable,
- * but will not block waiting for the reply.
- * xcb_get_maximum_request_length will return the prefetched data
- * after possibly blocking while the reply is retrieved.
- *
- * Note that in order for this function to be fully non-blocking, the
- * application must previously have called
- * xcb_prefetch_extension_data(c, &xcb_big_requests_id) and the reply
- * must have already arrived.
- */
-void xcb_prefetch_maximum_request_length(xcb_connection_t *c);
-
-
-/* xcb_in.c */
-
-/**
- * @brief Returns the next event or error from the server.
- * @param c: The connection to the X server.
- * @return The next event from the server.
- *
- * Returns the next event or error from the server, or returns null in
- * the event of an I/O error. Blocks until either an event or error
- * arrive, or an I/O error occurs.
- */
-xcb_generic_event_t *xcb_wait_for_event(xcb_connection_t *c);
-
-/**
- * @brief Returns the next event or error from the server.
- * @param c: The connection to the X server.
- * @return The next event from the server.
- *
- * Returns the next event or error from the server, if one is
- * available, or returns @c NULL otherwise. If no event is available, that
- * might be because an I/O error like connection close occurred while
- * attempting to read the next event, in which case the connection is
- * shut down when this function returns.
- */
-xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c);
-
-/**
- * @brief Returns the next event without reading from the connection.
- * @param c: The connection to the X server.
- * @return The next already queued event from the server.
- *
- * This is a version of xcb_poll_for_event that only examines the
- * event queue for new events. The function doesn't try to read new
- * events from the connection if no queued events are found.
- *
- * This function is useful for callers that know in advance that all
- * interesting events have already been read from the connection. For
- * example, callers might use xcb_wait_for_reply and be interested
- * only of events that preceded a specific reply.
- */
-xcb_generic_event_t *xcb_poll_for_queued_event(xcb_connection_t *c);
-
-typedef struct xcb_special_event xcb_special_event_t;
-
-/**
- * @brief Returns the next event from a special queue
- */
-xcb_generic_event_t *xcb_poll_for_special_event(xcb_connection_t *c,
- xcb_special_event_t *se);
-
-/**
- * @brief Returns the next event from a special queue, blocking until one arrives
- */
-xcb_generic_event_t *xcb_wait_for_special_event(xcb_connection_t *c,
- xcb_special_event_t *se);
-/**
- * @typedef typedef struct xcb_extension_t xcb_extension_t
- */
-typedef struct xcb_extension_t xcb_extension_t; /**< Opaque structure used as key for xcb_get_extension_data_t. */
-
-/**
- * @brief Listen for a special event
- */
-xcb_special_event_t *xcb_register_for_special_xge(xcb_connection_t *c,
- xcb_extension_t *ext,
- uint32_t eid,
- uint32_t *stamp);
-
-/**
- * @brief Stop listening for a special event
- */
-void xcb_unregister_for_special_event(xcb_connection_t *c,
- xcb_special_event_t *se);
-
-/**
- * @brief Return the error for a request, or NULL if none can ever arrive.
- * @param c: The connection to the X server.
- * @param cookie: The request cookie.
- * @return The error for the request, or NULL if none can ever arrive.
- *
- * The xcb_void_cookie_t cookie supplied to this function must have resulted
- * from a call to xcb_[request_name]_checked(). This function will block
- * until one of two conditions happens. If an error is received, it will be
- * returned. If a reply to a subsequent request has already arrived, no error
- * can arrive for this request, so this function will return NULL.
- *
- * Note that this function will perform a sync if needed to ensure that the
- * sequence number will advance beyond that provided in cookie; this is a
- * convenience to avoid races in determining whether the sync is needed.
- */
-xcb_generic_error_t *xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie);
-
-/**
- * @brief Discards the reply for a request.
- * @param c: The connection to the X server.
- * @param sequence: The request sequence number from a cookie.
- *
- * Discards the reply for a request. Additionally, any error generated
- * by the request is also discarded (unless it was an _unchecked request
- * and the error has already arrived).
- *
- * This function will not block even if the reply is not yet available.
- *
- * Note that the sequence really does have to come from an xcb cookie;
- * this function is not designed to operate on socket-handoff replies.
- */
-void xcb_discard_reply(xcb_connection_t *c, unsigned int sequence);
-
-
-/* xcb_ext.c */
-
-/**
- * @brief Caches reply information from QueryExtension requests.
- * @param c: The connection.
- * @param ext: The extension data.
- * @return A pointer to the xcb_query_extension_reply_t for the extension.
- *
- * This function is the primary interface to the "extension cache",
- * which caches reply information from QueryExtension
- * requests. Invoking this function may cause a call to
- * xcb_query_extension to retrieve extension information from the
- * server, and may block until extension data is received from the
- * server.
- *
- * The result must not be freed. This storage is managed by the cache
- * itself.
- */
-const struct xcb_query_extension_reply_t *xcb_get_extension_data(xcb_connection_t *c, xcb_extension_t *ext);
-
-/**
- * @brief Prefetch of extension data into the extension cache
- * @param c: The connection.
- * @param ext: The extension data.
- *
- * This function allows a "prefetch" of extension data into the
- * extension cache. Invoking the function may cause a call to
- * xcb_query_extension, but will not block waiting for the
- * reply. xcb_get_extension_data will return the prefetched data after
- * possibly blocking while it is retrieved.
- */
-void xcb_prefetch_extension_data(xcb_connection_t *c, xcb_extension_t *ext);
-
-
-/* xcb_conn.c */
-
-/**
- * @brief Access the data returned by the server.
- * @param c: The connection.
- * @return A pointer to an xcb_setup_t structure.
- *
- * Accessor for the data returned by the server when the xcb_connection_t
- * was initialized. This data includes
- * - the server's required format for images,
- * - a list of available visuals,
- * - a list of available screens,
- * - the server's maximum request length (in the absence of the
- * BIG-REQUESTS extension),
- * - and other assorted information.
- *
- * See the X protocol specification for more details.
- *
- * The result must not be freed.
- */
-const struct xcb_setup_t *xcb_get_setup(xcb_connection_t *c);
-
-/**
- * @brief Access the file descriptor of the connection.
- * @param c: The connection.
- * @return The file descriptor.
- *
- * Accessor for the file descriptor that was passed to the
- * xcb_connect_to_fd call that returned @p c.
- */
-int xcb_get_file_descriptor(xcb_connection_t *c);
-
-/**
- * @brief Test whether the connection has shut down due to a fatal error.
- * @param c: The connection.
- * @return > 0 if the connection is in an error state; 0 otherwise.
- *
- * Some errors that occur in the context of an xcb_connection_t
- * are unrecoverable. When such an error occurs, the
- * connection is shut down and further operations on the
- * xcb_connection_t have no effect, but memory will not be freed until
- * xcb_disconnect() is called on the xcb_connection_t.
- *
- * @return XCB_CONN_ERROR, because of socket errors, pipe errors or other stream errors.
- * @return XCB_CONN_CLOSED_EXT_NOTSUPPORTED, when extension not supported.
- * @return XCB_CONN_CLOSED_MEM_INSUFFICIENT, when memory not available.
- * @return XCB_CONN_CLOSED_REQ_LEN_EXCEED, exceeding request length that server accepts.
- * @return XCB_CONN_CLOSED_PARSE_ERR, error during parsing display string.
- * @return XCB_CONN_CLOSED_INVALID_SCREEN, because the server does not have a screen matching the display.
- */
-int xcb_connection_has_error(xcb_connection_t *c);
-
-/**
- * @brief Connects to the X server.
- * @param fd: The file descriptor.
- * @param auth_info: Authentication data.
- * @return A newly allocated xcb_connection_t structure.
- *
- * Connects to an X server, given the open socket @p fd and the
- * xcb_auth_info_t @p auth_info. The file descriptor @p fd is
- * bidirectionally connected to an X server. If the connection
- * should be unauthenticated, @p auth_info must be @c
- * NULL.
- *
- * Always returns a non-NULL pointer to a xcb_connection_t, even on failure.
- * Callers need to use xcb_connection_has_error() to check for failure.
- * When finished, use xcb_disconnect() to close the connection and free
- * the structure.
- */
-xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info);
-
-/**
- * @brief Closes the connection.
- * @param c: The connection.
- *
- * Closes the file descriptor and frees all memory associated with the
- * connection @c c. If @p c is @c NULL, nothing is done.
- */
-void xcb_disconnect(xcb_connection_t *c);
-
-
-/* xcb_util.c */
-
-/**
- * @brief Parses a display string name in the form documented by X(7x).
- * @param name: The name of the display.
- * @param host: A pointer to a malloc'd copy of the hostname.
- * @param display: A pointer to the display number.
- * @param screen: A pointer to the screen number.
- * @return 0 on failure, non 0 otherwise.
- *
- * Parses the display string name @p display_name in the form
- * documented by X(7x). Has no side effects on failure. If
- * @p displayname is @c NULL or empty, it uses the environment
- * variable DISPLAY. @p hostp is a pointer to a newly allocated string
- * that contain the host name. @p displayp is set to the display
- * number and @p screenp to the preferred screen number. @p screenp
- * can be @c NULL. If @p displayname does not contain a screen number,
- * it is set to @c 0.
- */
-int xcb_parse_display(const char *name, char **host, int *display, int *screen);
-
-/**
- * @brief Connects to the X server.
- * @param displayname: The name of the display.
- * @param screenp: A pointer to a preferred screen number.
- * @return A newly allocated xcb_connection_t structure.
- *
- * Connects to the X server specified by @p displayname. If @p
- * displayname is @c NULL, uses the value of the DISPLAY environment
- * variable. If a particular screen on that server is preferred, the
- * int pointed to by @p screenp (if not @c NULL) will be set to that
- * screen; otherwise the screen will be set to 0.
- *
- * Always returns a non-NULL pointer to a xcb_connection_t, even on failure.
- * Callers need to use xcb_connection_has_error() to check for failure.
- * When finished, use xcb_disconnect() to close the connection and free
- * the structure.
- */
-xcb_connection_t *xcb_connect(const char *displayname, int *screenp);
-
-/**
- * @brief Connects to the X server, using an authorization information.
- * @param display: The name of the display.
- * @param auth: The authorization information.
- * @param screen: A pointer to a preferred screen number.
- * @return A newly allocated xcb_connection_t structure.
- *
- * Connects to the X server specified by @p displayname, using the
- * authorization @p auth. If a particular screen on that server is
- * preferred, the int pointed to by @p screenp (if not @c NULL) will
- * be set to that screen; otherwise @p screenp will be set to 0.
- *
- * Always returns a non-NULL pointer to a xcb_connection_t, even on failure.
- * Callers need to use xcb_connection_has_error() to check for failure.
- * When finished, use xcb_disconnect() to close the connection and free
- * the structure.
- */
-xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *display, xcb_auth_info_t *auth, int *screen);
-
-
-/* xcb_xid.c */
-
-/**
- * @brief Allocates an XID for a new object.
- * @param c: The connection.
- * @return A newly allocated XID.
- *
- * Allocates an XID for a new object. Typically used just prior to
- * various object creation functions, such as xcb_create_window.
- */
-uint32_t xcb_generate_id(xcb_connection_t *c);
-
-
-/**
- * @}
- */
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif /* __XCB_H__ */
+++ /dev/null
-/* Copyright (C) 2009 Jatin Golani.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the names of the authors or their
- * institutions shall not be used in advertising or otherwise to promote the
- * sale, use or other dealings in this Software without prior written
- * authorization from the authors.
- */
-
-
-#ifndef _XCB_WINDEFS_H
-#define _XCB_WINDEFS_H
-
-#ifndef WINVER
-#define WINVER 0x0501 /* required for getaddrinfo/freeaddrinfo defined only for WinXP and above */
-#endif
-
-#define VC_EXTRALEAN
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#include <windef.h>
-
-struct iovec {
- void *iov_base; /* Pointer to data. */
- int iov_len; /* Length of data. */
-};
-
-typedef unsigned int in_addr_t;
-
-#endif /* xcb_windefs.h */
+++ /dev/null
-/*
- * This file generated automatically from xproto.xml by c_client.py.
- * Edit at your peril.
- */
-
-#ifndef __XPROTO_H
-#define __XPROTO_H
-
-#include "xcb.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct xcb_char2b_t {
- uint8_t byte1;
- uint8_t byte2;
-} xcb_char2b_t;
-
-typedef struct xcb_char2b_iterator_t {
- xcb_char2b_t *data;
- int rem;
- int index;
-} xcb_char2b_iterator_t;
-
-typedef uint32_t xcb_window_t;
-
-typedef struct xcb_window_iterator_t {
- xcb_window_t *data;
- int rem;
- int index;
-} xcb_window_iterator_t;
-
-typedef uint32_t xcb_pixmap_t;
-
-typedef struct xcb_pixmap_iterator_t {
- xcb_pixmap_t *data;
- int rem;
- int index;
-} xcb_pixmap_iterator_t;
-
-typedef uint32_t xcb_cursor_t;
-
-typedef struct xcb_cursor_iterator_t {
- xcb_cursor_t *data;
- int rem;
- int index;
-} xcb_cursor_iterator_t;
-
-typedef uint32_t xcb_font_t;
-
-typedef struct xcb_font_iterator_t {
- xcb_font_t *data;
- int rem;
- int index;
-} xcb_font_iterator_t;
-
-typedef uint32_t xcb_gcontext_t;
-
-typedef struct xcb_gcontext_iterator_t {
- xcb_gcontext_t *data;
- int rem;
- int index;
-} xcb_gcontext_iterator_t;
-
-typedef uint32_t xcb_colormap_t;
-
-typedef struct xcb_colormap_iterator_t {
- xcb_colormap_t *data;
- int rem;
- int index;
-} xcb_colormap_iterator_t;
-
-typedef uint32_t xcb_atom_t;
-
-typedef struct xcb_atom_iterator_t {
- xcb_atom_t *data;
- int rem;
- int index;
-} xcb_atom_iterator_t;
-
-typedef uint32_t xcb_drawable_t;
-
-typedef struct xcb_drawable_iterator_t {
- xcb_drawable_t *data;
- int rem;
- int index;
-} xcb_drawable_iterator_t;
-
-typedef uint32_t xcb_fontable_t;
-
-typedef struct xcb_fontable_iterator_t {
- xcb_fontable_t *data;
- int rem;
- int index;
-} xcb_fontable_iterator_t;
-
-typedef uint32_t xcb_visualid_t;
-
-typedef struct xcb_visualid_iterator_t {
- xcb_visualid_t *data;
- int rem;
- int index;
-} xcb_visualid_iterator_t;
-
-typedef uint32_t xcb_timestamp_t;
-
-typedef struct xcb_timestamp_iterator_t {
- xcb_timestamp_t *data;
- int rem;
- int index;
-} xcb_timestamp_iterator_t;
-
-typedef uint32_t xcb_keysym_t;
-
-typedef struct xcb_keysym_iterator_t {
- xcb_keysym_t *data;
- int rem;
- int index;
-} xcb_keysym_iterator_t;
-
-typedef uint8_t xcb_keycode_t;
-
-typedef struct xcb_keycode_iterator_t {
- xcb_keycode_t *data;
- int rem;
- int index;
-} xcb_keycode_iterator_t;
-
-typedef uint8_t xcb_button_t;
-
-typedef struct xcb_button_iterator_t {
- xcb_button_t *data;
- int rem;
- int index;
-} xcb_button_iterator_t;
-
-typedef struct xcb_point_t {
- int16_t x;
- int16_t y;
-} xcb_point_t;
-
-typedef struct xcb_point_iterator_t {
- xcb_point_t *data;
- int rem;
- int index;
-} xcb_point_iterator_t;
-
-typedef struct xcb_rectangle_t {
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
-} xcb_rectangle_t;
-
-typedef struct xcb_rectangle_iterator_t {
- xcb_rectangle_t *data;
- int rem;
- int index;
-} xcb_rectangle_iterator_t;
-
-typedef struct xcb_arc_t {
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
- int16_t angle1;
- int16_t angle2;
-} xcb_arc_t;
-
-typedef struct xcb_arc_iterator_t {
- xcb_arc_t *data;
- int rem;
- int index;
-} xcb_arc_iterator_t;
-
-typedef struct xcb_format_t {
- uint8_t depth;
- uint8_t bits_per_pixel;
- uint8_t scanline_pad;
- uint8_t pad0[5];
-} xcb_format_t;
-
-typedef struct xcb_format_iterator_t {
- xcb_format_t *data;
- int rem;
- int index;
-} xcb_format_iterator_t;
-
-typedef enum xcb_visual_class_t {
- XCB_VISUAL_CLASS_STATIC_GRAY = 0,
- XCB_VISUAL_CLASS_GRAY_SCALE = 1,
- XCB_VISUAL_CLASS_STATIC_COLOR = 2,
- XCB_VISUAL_CLASS_PSEUDO_COLOR = 3,
- XCB_VISUAL_CLASS_TRUE_COLOR = 4,
- XCB_VISUAL_CLASS_DIRECT_COLOR = 5
-} xcb_visual_class_t;
-
-typedef struct xcb_visualtype_t {
- xcb_visualid_t visual_id;
- uint8_t _class;
- uint8_t bits_per_rgb_value;
- uint16_t colormap_entries;
- uint32_t red_mask;
- uint32_t green_mask;
- uint32_t blue_mask;
- uint8_t pad0[4];
-} xcb_visualtype_t;
-
-typedef struct xcb_visualtype_iterator_t {
- xcb_visualtype_t *data;
- int rem;
- int index;
-} xcb_visualtype_iterator_t;
-
-typedef struct xcb_depth_t {
- uint8_t depth;
- uint8_t pad0;
- uint16_t visuals_len;
- uint8_t pad1[4];
-} xcb_depth_t;
-
-typedef struct xcb_depth_iterator_t {
- xcb_depth_t *data;
- int rem;
- int index;
-} xcb_depth_iterator_t;
-
-typedef enum xcb_event_mask_t {
- XCB_EVENT_MASK_NO_EVENT = 0,
- XCB_EVENT_MASK_KEY_PRESS = 1,
- XCB_EVENT_MASK_KEY_RELEASE = 2,
- XCB_EVENT_MASK_BUTTON_PRESS = 4,
- XCB_EVENT_MASK_BUTTON_RELEASE = 8,
- XCB_EVENT_MASK_ENTER_WINDOW = 16,
- XCB_EVENT_MASK_LEAVE_WINDOW = 32,
- XCB_EVENT_MASK_POINTER_MOTION = 64,
- XCB_EVENT_MASK_POINTER_MOTION_HINT = 128,
- XCB_EVENT_MASK_BUTTON_1_MOTION = 256,
- XCB_EVENT_MASK_BUTTON_2_MOTION = 512,
- XCB_EVENT_MASK_BUTTON_3_MOTION = 1024,
- XCB_EVENT_MASK_BUTTON_4_MOTION = 2048,
- XCB_EVENT_MASK_BUTTON_5_MOTION = 4096,
- XCB_EVENT_MASK_BUTTON_MOTION = 8192,
- XCB_EVENT_MASK_KEYMAP_STATE = 16384,
- XCB_EVENT_MASK_EXPOSURE = 32768,
- XCB_EVENT_MASK_VISIBILITY_CHANGE = 65536,
- XCB_EVENT_MASK_STRUCTURE_NOTIFY = 131072,
- XCB_EVENT_MASK_RESIZE_REDIRECT = 262144,
- XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY = 524288,
- XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT = 1048576,
- XCB_EVENT_MASK_FOCUS_CHANGE = 2097152,
- XCB_EVENT_MASK_PROPERTY_CHANGE = 4194304,
- XCB_EVENT_MASK_COLOR_MAP_CHANGE = 8388608,
- XCB_EVENT_MASK_OWNER_GRAB_BUTTON = 16777216
-} xcb_event_mask_t;
-
-typedef enum xcb_backing_store_t {
- XCB_BACKING_STORE_NOT_USEFUL = 0,
- XCB_BACKING_STORE_WHEN_MAPPED = 1,
- XCB_BACKING_STORE_ALWAYS = 2
-} xcb_backing_store_t;
-
-typedef struct xcb_screen_t {
- xcb_window_t root;
- xcb_colormap_t default_colormap;
- uint32_t white_pixel;
- uint32_t black_pixel;
- uint32_t current_input_masks;
- uint16_t width_in_pixels;
- uint16_t height_in_pixels;
- uint16_t width_in_millimeters;
- uint16_t height_in_millimeters;
- uint16_t min_installed_maps;
- uint16_t max_installed_maps;
- xcb_visualid_t root_visual;
- uint8_t backing_stores;
- uint8_t save_unders;
- uint8_t root_depth;
- uint8_t allowed_depths_len;
-} xcb_screen_t;
-
-typedef struct xcb_screen_iterator_t {
- xcb_screen_t *data;
- int rem;
- int index;
-} xcb_screen_iterator_t;
-
-typedef struct xcb_setup_request_t {
- uint8_t byte_order;
- uint8_t pad0;
- uint16_t protocol_major_version;
- uint16_t protocol_minor_version;
- uint16_t authorization_protocol_name_len;
- uint16_t authorization_protocol_data_len;
- uint8_t pad1[2];
-} xcb_setup_request_t;
-
-typedef struct xcb_setup_request_iterator_t {
- xcb_setup_request_t *data;
- int rem;
- int index;
-} xcb_setup_request_iterator_t;
-
-typedef struct xcb_setup_failed_t {
- uint8_t status;
- uint8_t reason_len;
- uint16_t protocol_major_version;
- uint16_t protocol_minor_version;
- uint16_t length;
-} xcb_setup_failed_t;
-
-typedef struct xcb_setup_failed_iterator_t {
- xcb_setup_failed_t *data;
- int rem;
- int index;
-} xcb_setup_failed_iterator_t;
-
-typedef struct xcb_setup_authenticate_t {
- uint8_t status;
- uint8_t pad0[5];
- uint16_t length;
-} xcb_setup_authenticate_t;
-
-typedef struct xcb_setup_authenticate_iterator_t {
- xcb_setup_authenticate_t *data;
- int rem;
- int index;
-} xcb_setup_authenticate_iterator_t;
-
-typedef enum xcb_image_order_t {
- XCB_IMAGE_ORDER_LSB_FIRST = 0,
- XCB_IMAGE_ORDER_MSB_FIRST = 1
-} xcb_image_order_t;
-
-typedef struct xcb_setup_t {
- uint8_t status;
- uint8_t pad0;
- uint16_t protocol_major_version;
- uint16_t protocol_minor_version;
- uint16_t length;
- uint32_t release_number;
- uint32_t resource_id_base;
- uint32_t resource_id_mask;
- uint32_t motion_buffer_size;
- uint16_t vendor_len;
- uint16_t maximum_request_length;
- uint8_t roots_len;
- uint8_t pixmap_formats_len;
- uint8_t image_byte_order;
- uint8_t bitmap_format_bit_order;
- uint8_t bitmap_format_scanline_unit;
- uint8_t bitmap_format_scanline_pad;
- xcb_keycode_t min_keycode;
- xcb_keycode_t max_keycode;
- uint8_t pad1[4];
-} xcb_setup_t;
-
-typedef struct xcb_setup_iterator_t {
- xcb_setup_t *data;
- int rem;
- int index;
-} xcb_setup_iterator_t;
-
-typedef enum xcb_mod_mask_t {
- XCB_MOD_MASK_SHIFT = 1,
- XCB_MOD_MASK_LOCK = 2,
- XCB_MOD_MASK_CONTROL = 4,
- XCB_MOD_MASK_1 = 8,
- XCB_MOD_MASK_2 = 16,
- XCB_MOD_MASK_3 = 32,
- XCB_MOD_MASK_4 = 64,
- XCB_MOD_MASK_5 = 128,
- XCB_MOD_MASK_ANY = 32768
-} xcb_mod_mask_t;
-
-typedef enum xcb_key_but_mask_t {
- XCB_KEY_BUT_MASK_SHIFT = 1,
- XCB_KEY_BUT_MASK_LOCK = 2,
- XCB_KEY_BUT_MASK_CONTROL = 4,
- XCB_KEY_BUT_MASK_MOD_1 = 8,
- XCB_KEY_BUT_MASK_MOD_2 = 16,
- XCB_KEY_BUT_MASK_MOD_3 = 32,
- XCB_KEY_BUT_MASK_MOD_4 = 64,
- XCB_KEY_BUT_MASK_MOD_5 = 128,
- XCB_KEY_BUT_MASK_BUTTON_1 = 256,
- XCB_KEY_BUT_MASK_BUTTON_2 = 512,
- XCB_KEY_BUT_MASK_BUTTON_3 = 1024,
- XCB_KEY_BUT_MASK_BUTTON_4 = 2048,
- XCB_KEY_BUT_MASK_BUTTON_5 = 4096
-} xcb_key_but_mask_t;
-
-typedef enum xcb_window_enum_t {
- XCB_WINDOW_NONE = 0
-} xcb_window_enum_t;
-
-#define XCB_KEY_PRESS 2
-
-typedef struct xcb_key_press_event_t {
- uint8_t response_type;
- xcb_keycode_t detail;
- uint16_t sequence;
- xcb_timestamp_t time;
- xcb_window_t root;
- xcb_window_t event;
- xcb_window_t child;
- int16_t root_x;
- int16_t root_y;
- int16_t event_x;
- int16_t event_y;
- uint16_t state;
- uint8_t same_screen;
- uint8_t pad0;
-} xcb_key_press_event_t;
-
-#define XCB_KEY_RELEASE 3
-
-typedef xcb_key_press_event_t xcb_key_release_event_t;
-
-typedef enum xcb_button_mask_t {
- XCB_BUTTON_MASK_1 = 256,
- XCB_BUTTON_MASK_2 = 512,
- XCB_BUTTON_MASK_3 = 1024,
- XCB_BUTTON_MASK_4 = 2048,
- XCB_BUTTON_MASK_5 = 4096,
- XCB_BUTTON_MASK_ANY = 32768
-} xcb_button_mask_t;
-
-#define XCB_BUTTON_PRESS 4
-
-typedef struct xcb_button_press_event_t {
- uint8_t response_type;
- xcb_button_t detail;
- uint16_t sequence;
- xcb_timestamp_t time;
- xcb_window_t root;
- xcb_window_t event;
- xcb_window_t child;
- int16_t root_x;
- int16_t root_y;
- int16_t event_x;
- int16_t event_y;
- uint16_t state;
- uint8_t same_screen;
- uint8_t pad0;
-} xcb_button_press_event_t;
-
-#define XCB_BUTTON_RELEASE 5
-
-typedef xcb_button_press_event_t xcb_button_release_event_t;
-
-typedef enum xcb_motion_t {
- XCB_MOTION_NORMAL = 0,
- XCB_MOTION_HINT = 1
-} xcb_motion_t;
-
-#define XCB_MOTION_NOTIFY 6
-
-typedef struct xcb_motion_notify_event_t {
- uint8_t response_type;
- uint8_t detail;
- uint16_t sequence;
- xcb_timestamp_t time;
- xcb_window_t root;
- xcb_window_t event;
- xcb_window_t child;
- int16_t root_x;
- int16_t root_y;
- int16_t event_x;
- int16_t event_y;
- uint16_t state;
- uint8_t same_screen;
- uint8_t pad0;
-} xcb_motion_notify_event_t;
-
-typedef enum xcb_notify_detail_t {
- XCB_NOTIFY_DETAIL_ANCESTOR = 0,
- XCB_NOTIFY_DETAIL_VIRTUAL = 1,
- XCB_NOTIFY_DETAIL_INFERIOR = 2,
- XCB_NOTIFY_DETAIL_NONLINEAR = 3,
- XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL = 4,
- XCB_NOTIFY_DETAIL_POINTER = 5,
- XCB_NOTIFY_DETAIL_POINTER_ROOT = 6,
- XCB_NOTIFY_DETAIL_NONE = 7
-} xcb_notify_detail_t;
-
-typedef enum xcb_notify_mode_t {
- XCB_NOTIFY_MODE_NORMAL = 0,
- XCB_NOTIFY_MODE_GRAB = 1,
- XCB_NOTIFY_MODE_UNGRAB = 2,
- XCB_NOTIFY_MODE_WHILE_GRABBED = 3
-} xcb_notify_mode_t;
-
-#define XCB_ENTER_NOTIFY 7
-
-typedef struct xcb_enter_notify_event_t {
- uint8_t response_type;
- uint8_t detail;
- uint16_t sequence;
- xcb_timestamp_t time;
- xcb_window_t root;
- xcb_window_t event;
- xcb_window_t child;
- int16_t root_x;
- int16_t root_y;
- int16_t event_x;
- int16_t event_y;
- uint16_t state;
- uint8_t mode;
- uint8_t same_screen_focus;
-} xcb_enter_notify_event_t;
-
-#define XCB_LEAVE_NOTIFY 8
-
-typedef xcb_enter_notify_event_t xcb_leave_notify_event_t;
-
-#define XCB_FOCUS_IN 9
-
-typedef struct xcb_focus_in_event_t {
- uint8_t response_type;
- uint8_t detail;
- uint16_t sequence;
- xcb_window_t event;
- uint8_t mode;
- uint8_t pad0[3];
-} xcb_focus_in_event_t;
-
-#define XCB_FOCUS_OUT 10
-
-typedef xcb_focus_in_event_t xcb_focus_out_event_t;
-
-#define XCB_KEYMAP_NOTIFY 11
-
-typedef struct xcb_keymap_notify_event_t {
- uint8_t response_type;
- uint8_t keys[31];
-} xcb_keymap_notify_event_t;
-
-#define XCB_EXPOSE 12
-
-typedef struct xcb_expose_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t window;
- uint16_t x;
- uint16_t y;
- uint16_t width;
- uint16_t height;
- uint16_t count;
- uint8_t pad1[2];
-} xcb_expose_event_t;
-
-#define XCB_GRAPHICS_EXPOSURE 13
-
-typedef struct xcb_graphics_exposure_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_drawable_t drawable;
- uint16_t x;
- uint16_t y;
- uint16_t width;
- uint16_t height;
- uint16_t minor_opcode;
- uint16_t count;
- uint8_t major_opcode;
- uint8_t pad1[3];
-} xcb_graphics_exposure_event_t;
-
-#define XCB_NO_EXPOSURE 14
-
-typedef struct xcb_no_exposure_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_drawable_t drawable;
- uint16_t minor_opcode;
- uint8_t major_opcode;
- uint8_t pad1;
-} xcb_no_exposure_event_t;
-
-typedef enum xcb_visibility_t {
- XCB_VISIBILITY_UNOBSCURED = 0,
- XCB_VISIBILITY_PARTIALLY_OBSCURED = 1,
- XCB_VISIBILITY_FULLY_OBSCURED = 2
-} xcb_visibility_t;
-
-#define XCB_VISIBILITY_NOTIFY 15
-
-typedef struct xcb_visibility_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t window;
- uint8_t state;
- uint8_t pad1[3];
-} xcb_visibility_notify_event_t;
-
-#define XCB_CREATE_NOTIFY 16
-
-typedef struct xcb_create_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t parent;
- xcb_window_t window;
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
- uint16_t border_width;
- uint8_t override_redirect;
- uint8_t pad1;
-} xcb_create_notify_event_t;
-
-#define XCB_DESTROY_NOTIFY 17
-
-typedef struct xcb_destroy_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t event;
- xcb_window_t window;
-} xcb_destroy_notify_event_t;
-
-#define XCB_UNMAP_NOTIFY 18
-
-typedef struct xcb_unmap_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t event;
- xcb_window_t window;
- uint8_t from_configure;
- uint8_t pad1[3];
-} xcb_unmap_notify_event_t;
-
-#define XCB_MAP_NOTIFY 19
-
-typedef struct xcb_map_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t event;
- xcb_window_t window;
- uint8_t override_redirect;
- uint8_t pad1[3];
-} xcb_map_notify_event_t;
-
-#define XCB_MAP_REQUEST 20
-
-typedef struct xcb_map_request_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t parent;
- xcb_window_t window;
-} xcb_map_request_event_t;
-
-#define XCB_REPARENT_NOTIFY 21
-
-typedef struct xcb_reparent_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t event;
- xcb_window_t window;
- xcb_window_t parent;
- int16_t x;
- int16_t y;
- uint8_t override_redirect;
- uint8_t pad1[3];
-} xcb_reparent_notify_event_t;
-
-#define XCB_CONFIGURE_NOTIFY 22
-
-typedef struct xcb_configure_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t event;
- xcb_window_t window;
- xcb_window_t above_sibling;
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
- uint16_t border_width;
- uint8_t override_redirect;
- uint8_t pad1;
-} xcb_configure_notify_event_t;
-
-#define XCB_CONFIGURE_REQUEST 23
-
-typedef struct xcb_configure_request_event_t {
- uint8_t response_type;
- uint8_t stack_mode;
- uint16_t sequence;
- xcb_window_t parent;
- xcb_window_t window;
- xcb_window_t sibling;
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
- uint16_t border_width;
- uint16_t value_mask;
-} xcb_configure_request_event_t;
-
-#define XCB_GRAVITY_NOTIFY 24
-
-typedef struct xcb_gravity_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t event;
- xcb_window_t window;
- int16_t x;
- int16_t y;
-} xcb_gravity_notify_event_t;
-
-#define XCB_RESIZE_REQUEST 25
-
-typedef struct xcb_resize_request_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t window;
- uint16_t width;
- uint16_t height;
-} xcb_resize_request_event_t;
-
-typedef enum xcb_place_t {
- XCB_PLACE_ON_TOP = 0,
- XCB_PLACE_ON_BOTTOM = 1
-} xcb_place_t;
-
-#define XCB_CIRCULATE_NOTIFY 26
-
-typedef struct xcb_circulate_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t event;
- xcb_window_t window;
- uint8_t pad1[4];
- uint8_t place;
- uint8_t pad2[3];
-} xcb_circulate_notify_event_t;
-
-#define XCB_CIRCULATE_REQUEST 27
-
-typedef xcb_circulate_notify_event_t xcb_circulate_request_event_t;
-
-typedef enum xcb_property_t {
- XCB_PROPERTY_NEW_VALUE = 0,
- XCB_PROPERTY_DELETE = 1
-} xcb_property_t;
-
-#define XCB_PROPERTY_NOTIFY 28
-
-typedef struct xcb_property_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t window;
- xcb_atom_t atom;
- xcb_timestamp_t time;
- uint8_t state;
- uint8_t pad1[3];
-} xcb_property_notify_event_t;
-
-#define XCB_SELECTION_CLEAR 29
-
-typedef struct xcb_selection_clear_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_timestamp_t time;
- xcb_window_t owner;
- xcb_atom_t selection;
-} xcb_selection_clear_event_t;
-
-typedef enum xcb_time_t {
- XCB_TIME_CURRENT_TIME = 0
-} xcb_time_t;
-
-typedef enum xcb_atom_enum_t {
- XCB_ATOM_NONE = 0,
- XCB_ATOM_ANY = 0,
- XCB_ATOM_PRIMARY = 1,
- XCB_ATOM_SECONDARY = 2,
- XCB_ATOM_ARC = 3,
- XCB_ATOM_ATOM = 4,
- XCB_ATOM_BITMAP = 5,
- XCB_ATOM_CARDINAL = 6,
- XCB_ATOM_COLORMAP = 7,
- XCB_ATOM_CURSOR = 8,
- XCB_ATOM_CUT_BUFFER0 = 9,
- XCB_ATOM_CUT_BUFFER1 = 10,
- XCB_ATOM_CUT_BUFFER2 = 11,
- XCB_ATOM_CUT_BUFFER3 = 12,
- XCB_ATOM_CUT_BUFFER4 = 13,
- XCB_ATOM_CUT_BUFFER5 = 14,
- XCB_ATOM_CUT_BUFFER6 = 15,
- XCB_ATOM_CUT_BUFFER7 = 16,
- XCB_ATOM_DRAWABLE = 17,
- XCB_ATOM_FONT = 18,
- XCB_ATOM_INTEGER = 19,
- XCB_ATOM_PIXMAP = 20,
- XCB_ATOM_POINT = 21,
- XCB_ATOM_RECTANGLE = 22,
- XCB_ATOM_RESOURCE_MANAGER = 23,
- XCB_ATOM_RGB_COLOR_MAP = 24,
- XCB_ATOM_RGB_BEST_MAP = 25,
- XCB_ATOM_RGB_BLUE_MAP = 26,
- XCB_ATOM_RGB_DEFAULT_MAP = 27,
- XCB_ATOM_RGB_GRAY_MAP = 28,
- XCB_ATOM_RGB_GREEN_MAP = 29,
- XCB_ATOM_RGB_RED_MAP = 30,
- XCB_ATOM_STRING = 31,
- XCB_ATOM_VISUALID = 32,
- XCB_ATOM_WINDOW = 33,
- XCB_ATOM_WM_COMMAND = 34,
- XCB_ATOM_WM_HINTS = 35,
- XCB_ATOM_WM_CLIENT_MACHINE = 36,
- XCB_ATOM_WM_ICON_NAME = 37,
- XCB_ATOM_WM_ICON_SIZE = 38,
- XCB_ATOM_WM_NAME = 39,
- XCB_ATOM_WM_NORMAL_HINTS = 40,
- XCB_ATOM_WM_SIZE_HINTS = 41,
- XCB_ATOM_WM_ZOOM_HINTS = 42,
- XCB_ATOM_MIN_SPACE = 43,
- XCB_ATOM_NORM_SPACE = 44,
- XCB_ATOM_MAX_SPACE = 45,
- XCB_ATOM_END_SPACE = 46,
- XCB_ATOM_SUPERSCRIPT_X = 47,
- XCB_ATOM_SUPERSCRIPT_Y = 48,
- XCB_ATOM_SUBSCRIPT_X = 49,
- XCB_ATOM_SUBSCRIPT_Y = 50,
- XCB_ATOM_UNDERLINE_POSITION = 51,
- XCB_ATOM_UNDERLINE_THICKNESS = 52,
- XCB_ATOM_STRIKEOUT_ASCENT = 53,
- XCB_ATOM_STRIKEOUT_DESCENT = 54,
- XCB_ATOM_ITALIC_ANGLE = 55,
- XCB_ATOM_X_HEIGHT = 56,
- XCB_ATOM_QUAD_WIDTH = 57,
- XCB_ATOM_WEIGHT = 58,
- XCB_ATOM_POINT_SIZE = 59,
- XCB_ATOM_RESOLUTION = 60,
- XCB_ATOM_COPYRIGHT = 61,
- XCB_ATOM_NOTICE = 62,
- XCB_ATOM_FONT_NAME = 63,
- XCB_ATOM_FAMILY_NAME = 64,
- XCB_ATOM_FULL_NAME = 65,
- XCB_ATOM_CAP_HEIGHT = 66,
- XCB_ATOM_WM_CLASS = 67,
- XCB_ATOM_WM_TRANSIENT_FOR = 68
-} xcb_atom_enum_t;
-
-#define XCB_SELECTION_REQUEST 30
-
-typedef struct xcb_selection_request_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_timestamp_t time;
- xcb_window_t owner;
- xcb_window_t requestor;
- xcb_atom_t selection;
- xcb_atom_t target;
- xcb_atom_t property;
-} xcb_selection_request_event_t;
-
-#define XCB_SELECTION_NOTIFY 31
-
-typedef struct xcb_selection_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_timestamp_t time;
- xcb_window_t requestor;
- xcb_atom_t selection;
- xcb_atom_t target;
- xcb_atom_t property;
-} xcb_selection_notify_event_t;
-
-typedef enum xcb_colormap_state_t {
- XCB_COLORMAP_STATE_UNINSTALLED = 0,
- XCB_COLORMAP_STATE_INSTALLED = 1
-} xcb_colormap_state_t;
-
-typedef enum xcb_colormap_enum_t {
- XCB_COLORMAP_NONE = 0
-} xcb_colormap_enum_t;
-
-#define XCB_COLORMAP_NOTIFY 32
-
-typedef struct xcb_colormap_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- xcb_window_t window;
- xcb_colormap_t colormap;
- uint8_t _new;
- uint8_t state;
- uint8_t pad1[2];
-} xcb_colormap_notify_event_t;
-
-typedef union xcb_client_message_data_t {
- uint8_t data8[20];
- uint16_t data16[10];
- uint32_t data32[5];
-} xcb_client_message_data_t;
-
-typedef struct xcb_client_message_data_iterator_t {
- xcb_client_message_data_t *data;
- int rem;
- int index;
-} xcb_client_message_data_iterator_t;
-
-#define XCB_CLIENT_MESSAGE 33
-
-typedef struct xcb_client_message_event_t {
- uint8_t response_type;
- uint8_t format;
- uint16_t sequence;
- xcb_window_t window;
- xcb_atom_t type;
- xcb_client_message_data_t data;
-} xcb_client_message_event_t;
-
-typedef enum xcb_mapping_t {
- XCB_MAPPING_MODIFIER = 0,
- XCB_MAPPING_KEYBOARD = 1,
- XCB_MAPPING_POINTER = 2
-} xcb_mapping_t;
-
-#define XCB_MAPPING_NOTIFY 34
-
-typedef struct xcb_mapping_notify_event_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint8_t request;
- xcb_keycode_t first_keycode;
- uint8_t count;
- uint8_t pad1;
-} xcb_mapping_notify_event_t;
-
-#define XCB_GE_GENERIC 35
-
-typedef struct xcb_ge_generic_event_t {
- uint8_t response_type;
- uint8_t extension;
- uint16_t sequence;
- uint32_t length;
- uint16_t event_type;
- uint8_t pad0[22];
- uint32_t full_sequence;
-} xcb_ge_generic_event_t;
-
-#define XCB_REQUEST 1
-
-typedef struct xcb_request_error_t {
- uint8_t response_type;
- uint8_t error_code;
- uint16_t sequence;
- uint32_t bad_value;
- uint16_t minor_opcode;
- uint8_t major_opcode;
- uint8_t pad0;
-} xcb_request_error_t;
-
-#define XCB_VALUE 2
-
-typedef struct xcb_value_error_t {
- uint8_t response_type;
- uint8_t error_code;
- uint16_t sequence;
- uint32_t bad_value;
- uint16_t minor_opcode;
- uint8_t major_opcode;
- uint8_t pad0;
-} xcb_value_error_t;
-
-#define XCB_WINDOW 3
-
-typedef xcb_value_error_t xcb_window_error_t;
-
-#define XCB_PIXMAP 4
-
-typedef xcb_value_error_t xcb_pixmap_error_t;
-
-#define XCB_ATOM 5
-
-typedef xcb_value_error_t xcb_atom_error_t;
-
-#define XCB_CURSOR 6
-
-typedef xcb_value_error_t xcb_cursor_error_t;
-
-#define XCB_FONT 7
-
-typedef xcb_value_error_t xcb_font_error_t;
-
-#define XCB_MATCH 8
-
-typedef xcb_request_error_t xcb_match_error_t;
-
-#define XCB_DRAWABLE 9
-
-typedef xcb_value_error_t xcb_drawable_error_t;
-
-#define XCB_ACCESS 10
-
-typedef xcb_request_error_t xcb_access_error_t;
-
-#define XCB_ALLOC 11
-
-typedef xcb_request_error_t xcb_alloc_error_t;
-
-#define XCB_COLORMAP 12
-
-typedef xcb_value_error_t xcb_colormap_error_t;
-
-#define XCB_G_CONTEXT 13
-
-typedef xcb_value_error_t xcb_g_context_error_t;
-
-#define XCB_ID_CHOICE 14
-
-typedef xcb_value_error_t xcb_id_choice_error_t;
-
-#define XCB_NAME 15
-
-typedef xcb_request_error_t xcb_name_error_t;
-
-#define XCB_LENGTH 16
-
-typedef xcb_request_error_t xcb_length_error_t;
-
-#define XCB_IMPLEMENTATION 17
-
-typedef xcb_request_error_t xcb_implementation_error_t;
-
-typedef enum xcb_window_class_t {
- XCB_WINDOW_CLASS_COPY_FROM_PARENT = 0,
- XCB_WINDOW_CLASS_INPUT_OUTPUT = 1,
- XCB_WINDOW_CLASS_INPUT_ONLY = 2
-} xcb_window_class_t;
-
-typedef enum xcb_cw_t {
- XCB_CW_BACK_PIXMAP = 1,
- XCB_CW_BACK_PIXEL = 2,
- XCB_CW_BORDER_PIXMAP = 4,
- XCB_CW_BORDER_PIXEL = 8,
- XCB_CW_BIT_GRAVITY = 16,
- XCB_CW_WIN_GRAVITY = 32,
- XCB_CW_BACKING_STORE = 64,
- XCB_CW_BACKING_PLANES = 128,
- XCB_CW_BACKING_PIXEL = 256,
- XCB_CW_OVERRIDE_REDIRECT = 512,
- XCB_CW_SAVE_UNDER = 1024,
- XCB_CW_EVENT_MASK = 2048,
- XCB_CW_DONT_PROPAGATE = 4096,
- XCB_CW_COLORMAP = 8192,
- XCB_CW_CURSOR = 16384
-} xcb_cw_t;
-
-typedef enum xcb_back_pixmap_t {
- XCB_BACK_PIXMAP_NONE = 0,
- XCB_BACK_PIXMAP_PARENT_RELATIVE = 1
-} xcb_back_pixmap_t;
-
-typedef enum xcb_gravity_t {
- XCB_GRAVITY_BIT_FORGET = 0,
- XCB_GRAVITY_WIN_UNMAP = 0,
- XCB_GRAVITY_NORTH_WEST = 1,
- XCB_GRAVITY_NORTH = 2,
- XCB_GRAVITY_NORTH_EAST = 3,
- XCB_GRAVITY_WEST = 4,
- XCB_GRAVITY_CENTER = 5,
- XCB_GRAVITY_EAST = 6,
- XCB_GRAVITY_SOUTH_WEST = 7,
- XCB_GRAVITY_SOUTH = 8,
- XCB_GRAVITY_SOUTH_EAST = 9,
- XCB_GRAVITY_STATIC = 10
-} xcb_gravity_t;
-
-#define XCB_CREATE_WINDOW 1
-
-typedef struct xcb_create_window_request_t {
- uint8_t major_opcode;
- uint8_t depth;
- uint16_t length;
- xcb_window_t wid;
- xcb_window_t parent;
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
- uint16_t border_width;
- uint16_t _class;
- xcb_visualid_t visual;
- uint32_t value_mask;
-} xcb_create_window_request_t;
-
-#define XCB_CHANGE_WINDOW_ATTRIBUTES 2
-
-typedef struct xcb_change_window_attributes_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
- uint32_t value_mask;
-} xcb_change_window_attributes_request_t;
-
-typedef enum xcb_map_state_t {
- XCB_MAP_STATE_UNMAPPED = 0,
- XCB_MAP_STATE_UNVIEWABLE = 1,
- XCB_MAP_STATE_VIEWABLE = 2
-} xcb_map_state_t;
-
-typedef struct xcb_get_window_attributes_cookie_t {
- unsigned int sequence;
-} xcb_get_window_attributes_cookie_t;
-
-#define XCB_GET_WINDOW_ATTRIBUTES 3
-
-typedef struct xcb_get_window_attributes_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_get_window_attributes_request_t;
-
-typedef struct xcb_get_window_attributes_reply_t {
- uint8_t response_type;
- uint8_t backing_store;
- uint16_t sequence;
- uint32_t length;
- xcb_visualid_t visual;
- uint16_t _class;
- uint8_t bit_gravity;
- uint8_t win_gravity;
- uint32_t backing_planes;
- uint32_t backing_pixel;
- uint8_t save_under;
- uint8_t map_is_installed;
- uint8_t map_state;
- uint8_t override_redirect;
- xcb_colormap_t colormap;
- uint32_t all_event_masks;
- uint32_t your_event_mask;
- uint16_t do_not_propagate_mask;
- uint8_t pad0[2];
-} xcb_get_window_attributes_reply_t;
-
-#define XCB_DESTROY_WINDOW 4
-
-typedef struct xcb_destroy_window_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_destroy_window_request_t;
-
-#define XCB_DESTROY_SUBWINDOWS 5
-
-typedef struct xcb_destroy_subwindows_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_destroy_subwindows_request_t;
-
-typedef enum xcb_set_mode_t {
- XCB_SET_MODE_INSERT = 0,
- XCB_SET_MODE_DELETE = 1
-} xcb_set_mode_t;
-
-#define XCB_CHANGE_SAVE_SET 6
-
-typedef struct xcb_change_save_set_request_t {
- uint8_t major_opcode;
- uint8_t mode;
- uint16_t length;
- xcb_window_t window;
-} xcb_change_save_set_request_t;
-
-#define XCB_REPARENT_WINDOW 7
-
-typedef struct xcb_reparent_window_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
- xcb_window_t parent;
- int16_t x;
- int16_t y;
-} xcb_reparent_window_request_t;
-
-#define XCB_MAP_WINDOW 8
-
-typedef struct xcb_map_window_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_map_window_request_t;
-
-#define XCB_MAP_SUBWINDOWS 9
-
-typedef struct xcb_map_subwindows_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_map_subwindows_request_t;
-
-#define XCB_UNMAP_WINDOW 10
-
-typedef struct xcb_unmap_window_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_unmap_window_request_t;
-
-#define XCB_UNMAP_SUBWINDOWS 11
-
-typedef struct xcb_unmap_subwindows_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_unmap_subwindows_request_t;
-
-typedef enum xcb_config_window_t {
- XCB_CONFIG_WINDOW_X = 1,
- XCB_CONFIG_WINDOW_Y = 2,
- XCB_CONFIG_WINDOW_WIDTH = 4,
- XCB_CONFIG_WINDOW_HEIGHT = 8,
- XCB_CONFIG_WINDOW_BORDER_WIDTH = 16,
- XCB_CONFIG_WINDOW_SIBLING = 32,
- XCB_CONFIG_WINDOW_STACK_MODE = 64
-} xcb_config_window_t;
-
-typedef enum xcb_stack_mode_t {
- XCB_STACK_MODE_ABOVE = 0,
- XCB_STACK_MODE_BELOW = 1,
- XCB_STACK_MODE_TOP_IF = 2,
- XCB_STACK_MODE_BOTTOM_IF = 3,
- XCB_STACK_MODE_OPPOSITE = 4
-} xcb_stack_mode_t;
-
-#define XCB_CONFIGURE_WINDOW 12
-
-typedef struct xcb_configure_window_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
- uint16_t value_mask;
- uint8_t pad1[2];
-} xcb_configure_window_request_t;
-
-typedef enum xcb_circulate_t {
- XCB_CIRCULATE_RAISE_LOWEST = 0,
- XCB_CIRCULATE_LOWER_HIGHEST = 1
-} xcb_circulate_t;
-
-#define XCB_CIRCULATE_WINDOW 13
-
-typedef struct xcb_circulate_window_request_t {
- uint8_t major_opcode;
- uint8_t direction;
- uint16_t length;
- xcb_window_t window;
-} xcb_circulate_window_request_t;
-
-typedef struct xcb_get_geometry_cookie_t {
- unsigned int sequence;
-} xcb_get_geometry_cookie_t;
-
-#define XCB_GET_GEOMETRY 14
-
-typedef struct xcb_get_geometry_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
-} xcb_get_geometry_request_t;
-
-typedef struct xcb_get_geometry_reply_t {
- uint8_t response_type;
- uint8_t depth;
- uint16_t sequence;
- uint32_t length;
- xcb_window_t root;
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
- uint16_t border_width;
- uint8_t pad0[2];
-} xcb_get_geometry_reply_t;
-
-typedef struct xcb_query_tree_cookie_t {
- unsigned int sequence;
-} xcb_query_tree_cookie_t;
-
-#define XCB_QUERY_TREE 15
-
-typedef struct xcb_query_tree_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_query_tree_request_t;
-
-typedef struct xcb_query_tree_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- xcb_window_t root;
- xcb_window_t parent;
- uint16_t children_len;
- uint8_t pad1[14];
-} xcb_query_tree_reply_t;
-
-typedef struct xcb_intern_atom_cookie_t {
- unsigned int sequence;
-} xcb_intern_atom_cookie_t;
-
-#define XCB_INTERN_ATOM 16
-
-typedef struct xcb_intern_atom_request_t {
- uint8_t major_opcode;
- uint8_t only_if_exists;
- uint16_t length;
- uint16_t name_len;
- uint8_t pad0[2];
-} xcb_intern_atom_request_t;
-
-typedef struct xcb_intern_atom_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- xcb_atom_t atom;
-} xcb_intern_atom_reply_t;
-
-typedef struct xcb_get_atom_name_cookie_t {
- unsigned int sequence;
-} xcb_get_atom_name_cookie_t;
-
-#define XCB_GET_ATOM_NAME 17
-
-typedef struct xcb_get_atom_name_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_atom_t atom;
-} xcb_get_atom_name_request_t;
-
-typedef struct xcb_get_atom_name_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t name_len;
- uint8_t pad1[22];
-} xcb_get_atom_name_reply_t;
-
-typedef enum xcb_prop_mode_t {
- XCB_PROP_MODE_REPLACE = 0,
- XCB_PROP_MODE_PREPEND = 1,
- XCB_PROP_MODE_APPEND = 2
-} xcb_prop_mode_t;
-
-#define XCB_CHANGE_PROPERTY 18
-
-typedef struct xcb_change_property_request_t {
- uint8_t major_opcode;
- uint8_t mode;
- uint16_t length;
- xcb_window_t window;
- xcb_atom_t property;
- xcb_atom_t type;
- uint8_t format;
- uint8_t pad0[3];
- uint32_t data_len;
-} xcb_change_property_request_t;
-
-#define XCB_DELETE_PROPERTY 19
-
-typedef struct xcb_delete_property_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
- xcb_atom_t property;
-} xcb_delete_property_request_t;
-
-typedef enum xcb_get_property_type_t {
- XCB_GET_PROPERTY_TYPE_ANY = 0
-} xcb_get_property_type_t;
-
-typedef struct xcb_get_property_cookie_t {
- unsigned int sequence;
-} xcb_get_property_cookie_t;
-
-#define XCB_GET_PROPERTY 20
-
-typedef struct xcb_get_property_request_t {
- uint8_t major_opcode;
- uint8_t _delete;
- uint16_t length;
- xcb_window_t window;
- xcb_atom_t property;
- xcb_atom_t type;
- uint32_t long_offset;
- uint32_t long_length;
-} xcb_get_property_request_t;
-
-typedef struct xcb_get_property_reply_t {
- uint8_t response_type;
- uint8_t format;
- uint16_t sequence;
- uint32_t length;
- xcb_atom_t type;
- uint32_t bytes_after;
- uint32_t value_len;
- uint8_t pad0[12];
-} xcb_get_property_reply_t;
-
-typedef struct xcb_list_properties_cookie_t {
- unsigned int sequence;
-} xcb_list_properties_cookie_t;
-
-#define XCB_LIST_PROPERTIES 21
-
-typedef struct xcb_list_properties_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_list_properties_request_t;
-
-typedef struct xcb_list_properties_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t atoms_len;
- uint8_t pad1[22];
-} xcb_list_properties_reply_t;
-
-#define XCB_SET_SELECTION_OWNER 22
-
-typedef struct xcb_set_selection_owner_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t owner;
- xcb_atom_t selection;
- xcb_timestamp_t time;
-} xcb_set_selection_owner_request_t;
-
-typedef struct xcb_get_selection_owner_cookie_t {
- unsigned int sequence;
-} xcb_get_selection_owner_cookie_t;
-
-#define XCB_GET_SELECTION_OWNER 23
-
-typedef struct xcb_get_selection_owner_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_atom_t selection;
-} xcb_get_selection_owner_request_t;
-
-typedef struct xcb_get_selection_owner_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- xcb_window_t owner;
-} xcb_get_selection_owner_reply_t;
-
-#define XCB_CONVERT_SELECTION 24
-
-typedef struct xcb_convert_selection_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t requestor;
- xcb_atom_t selection;
- xcb_atom_t target;
- xcb_atom_t property;
- xcb_timestamp_t time;
-} xcb_convert_selection_request_t;
-
-typedef enum xcb_send_event_dest_t {
- XCB_SEND_EVENT_DEST_POINTER_WINDOW = 0,
- XCB_SEND_EVENT_DEST_ITEM_FOCUS = 1
-} xcb_send_event_dest_t;
-
-#define XCB_SEND_EVENT 25
-
-typedef struct xcb_send_event_request_t {
- uint8_t major_opcode;
- uint8_t propagate;
- uint16_t length;
- xcb_window_t destination;
- uint32_t event_mask;
- char event[32];
-} xcb_send_event_request_t;
-
-typedef enum xcb_grab_mode_t {
- XCB_GRAB_MODE_SYNC = 0,
- XCB_GRAB_MODE_ASYNC = 1
-} xcb_grab_mode_t;
-
-typedef enum xcb_grab_status_t {
- XCB_GRAB_STATUS_SUCCESS = 0,
- XCB_GRAB_STATUS_ALREADY_GRABBED = 1,
- XCB_GRAB_STATUS_INVALID_TIME = 2,
- XCB_GRAB_STATUS_NOT_VIEWABLE = 3,
- XCB_GRAB_STATUS_FROZEN = 4
-} xcb_grab_status_t;
-
-typedef enum xcb_cursor_enum_t {
- XCB_CURSOR_NONE = 0
-} xcb_cursor_enum_t;
-
-typedef struct xcb_grab_pointer_cookie_t {
- unsigned int sequence;
-} xcb_grab_pointer_cookie_t;
-
-#define XCB_GRAB_POINTER 26
-
-typedef struct xcb_grab_pointer_request_t {
- uint8_t major_opcode;
- uint8_t owner_events;
- uint16_t length;
- xcb_window_t grab_window;
- uint16_t event_mask;
- uint8_t pointer_mode;
- uint8_t keyboard_mode;
- xcb_window_t confine_to;
- xcb_cursor_t cursor;
- xcb_timestamp_t time;
-} xcb_grab_pointer_request_t;
-
-typedef struct xcb_grab_pointer_reply_t {
- uint8_t response_type;
- uint8_t status;
- uint16_t sequence;
- uint32_t length;
-} xcb_grab_pointer_reply_t;
-
-#define XCB_UNGRAB_POINTER 27
-
-typedef struct xcb_ungrab_pointer_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_timestamp_t time;
-} xcb_ungrab_pointer_request_t;
-
-typedef enum xcb_button_index_t {
- XCB_BUTTON_INDEX_ANY = 0,
- XCB_BUTTON_INDEX_1 = 1,
- XCB_BUTTON_INDEX_2 = 2,
- XCB_BUTTON_INDEX_3 = 3,
- XCB_BUTTON_INDEX_4 = 4,
- XCB_BUTTON_INDEX_5 = 5
-} xcb_button_index_t;
-
-#define XCB_GRAB_BUTTON 28
-
-typedef struct xcb_grab_button_request_t {
- uint8_t major_opcode;
- uint8_t owner_events;
- uint16_t length;
- xcb_window_t grab_window;
- uint16_t event_mask;
- uint8_t pointer_mode;
- uint8_t keyboard_mode;
- xcb_window_t confine_to;
- xcb_cursor_t cursor;
- uint8_t button;
- uint8_t pad0;
- uint16_t modifiers;
-} xcb_grab_button_request_t;
-
-#define XCB_UNGRAB_BUTTON 29
-
-typedef struct xcb_ungrab_button_request_t {
- uint8_t major_opcode;
- uint8_t button;
- uint16_t length;
- xcb_window_t grab_window;
- uint16_t modifiers;
- uint8_t pad0[2];
-} xcb_ungrab_button_request_t;
-
-#define XCB_CHANGE_ACTIVE_POINTER_GRAB 30
-
-typedef struct xcb_change_active_pointer_grab_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_cursor_t cursor;
- xcb_timestamp_t time;
- uint16_t event_mask;
- uint8_t pad1[2];
-} xcb_change_active_pointer_grab_request_t;
-
-typedef struct xcb_grab_keyboard_cookie_t {
- unsigned int sequence;
-} xcb_grab_keyboard_cookie_t;
-
-#define XCB_GRAB_KEYBOARD 31
-
-typedef struct xcb_grab_keyboard_request_t {
- uint8_t major_opcode;
- uint8_t owner_events;
- uint16_t length;
- xcb_window_t grab_window;
- xcb_timestamp_t time;
- uint8_t pointer_mode;
- uint8_t keyboard_mode;
- uint8_t pad0[2];
-} xcb_grab_keyboard_request_t;
-
-typedef struct xcb_grab_keyboard_reply_t {
- uint8_t response_type;
- uint8_t status;
- uint16_t sequence;
- uint32_t length;
-} xcb_grab_keyboard_reply_t;
-
-#define XCB_UNGRAB_KEYBOARD 32
-
-typedef struct xcb_ungrab_keyboard_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_timestamp_t time;
-} xcb_ungrab_keyboard_request_t;
-
-typedef enum xcb_grab_t {
- XCB_GRAB_ANY = 0
-} xcb_grab_t;
-
-#define XCB_GRAB_KEY 33
-
-typedef struct xcb_grab_key_request_t {
- uint8_t major_opcode;
- uint8_t owner_events;
- uint16_t length;
- xcb_window_t grab_window;
- uint16_t modifiers;
- xcb_keycode_t key;
- uint8_t pointer_mode;
- uint8_t keyboard_mode;
- uint8_t pad0[3];
-} xcb_grab_key_request_t;
-
-#define XCB_UNGRAB_KEY 34
-
-typedef struct xcb_ungrab_key_request_t {
- uint8_t major_opcode;
- xcb_keycode_t key;
- uint16_t length;
- xcb_window_t grab_window;
- uint16_t modifiers;
- uint8_t pad0[2];
-} xcb_ungrab_key_request_t;
-
-typedef enum xcb_allow_t {
- XCB_ALLOW_ASYNC_POINTER = 0,
- XCB_ALLOW_SYNC_POINTER = 1,
- XCB_ALLOW_REPLAY_POINTER = 2,
- XCB_ALLOW_ASYNC_KEYBOARD = 3,
- XCB_ALLOW_SYNC_KEYBOARD = 4,
- XCB_ALLOW_REPLAY_KEYBOARD = 5,
- XCB_ALLOW_ASYNC_BOTH = 6,
- XCB_ALLOW_SYNC_BOTH = 7
-} xcb_allow_t;
-
-#define XCB_ALLOW_EVENTS 35
-
-typedef struct xcb_allow_events_request_t {
- uint8_t major_opcode;
- uint8_t mode;
- uint16_t length;
- xcb_timestamp_t time;
-} xcb_allow_events_request_t;
-
-#define XCB_GRAB_SERVER 36
-
-typedef struct xcb_grab_server_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_grab_server_request_t;
-
-#define XCB_UNGRAB_SERVER 37
-
-typedef struct xcb_ungrab_server_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_ungrab_server_request_t;
-
-typedef struct xcb_query_pointer_cookie_t {
- unsigned int sequence;
-} xcb_query_pointer_cookie_t;
-
-#define XCB_QUERY_POINTER 38
-
-typedef struct xcb_query_pointer_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_query_pointer_request_t;
-
-typedef struct xcb_query_pointer_reply_t {
- uint8_t response_type;
- uint8_t same_screen;
- uint16_t sequence;
- uint32_t length;
- xcb_window_t root;
- xcb_window_t child;
- int16_t root_x;
- int16_t root_y;
- int16_t win_x;
- int16_t win_y;
- uint16_t mask;
- uint8_t pad0[2];
-} xcb_query_pointer_reply_t;
-
-typedef struct xcb_timecoord_t {
- xcb_timestamp_t time;
- int16_t x;
- int16_t y;
-} xcb_timecoord_t;
-
-typedef struct xcb_timecoord_iterator_t {
- xcb_timecoord_t *data;
- int rem;
- int index;
-} xcb_timecoord_iterator_t;
-
-typedef struct xcb_get_motion_events_cookie_t {
- unsigned int sequence;
-} xcb_get_motion_events_cookie_t;
-
-#define XCB_GET_MOTION_EVENTS 39
-
-typedef struct xcb_get_motion_events_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
- xcb_timestamp_t start;
- xcb_timestamp_t stop;
-} xcb_get_motion_events_request_t;
-
-typedef struct xcb_get_motion_events_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint32_t events_len;
- uint8_t pad1[20];
-} xcb_get_motion_events_reply_t;
-
-typedef struct xcb_translate_coordinates_cookie_t {
- unsigned int sequence;
-} xcb_translate_coordinates_cookie_t;
-
-#define XCB_TRANSLATE_COORDINATES 40
-
-typedef struct xcb_translate_coordinates_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t src_window;
- xcb_window_t dst_window;
- int16_t src_x;
- int16_t src_y;
-} xcb_translate_coordinates_request_t;
-
-typedef struct xcb_translate_coordinates_reply_t {
- uint8_t response_type;
- uint8_t same_screen;
- uint16_t sequence;
- uint32_t length;
- xcb_window_t child;
- int16_t dst_x;
- int16_t dst_y;
-} xcb_translate_coordinates_reply_t;
-
-#define XCB_WARP_POINTER 41
-
-typedef struct xcb_warp_pointer_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t src_window;
- xcb_window_t dst_window;
- int16_t src_x;
- int16_t src_y;
- uint16_t src_width;
- uint16_t src_height;
- int16_t dst_x;
- int16_t dst_y;
-} xcb_warp_pointer_request_t;
-
-typedef enum xcb_input_focus_t {
- XCB_INPUT_FOCUS_NONE = 0,
- XCB_INPUT_FOCUS_POINTER_ROOT = 1,
- XCB_INPUT_FOCUS_PARENT = 2,
- XCB_INPUT_FOCUS_FOLLOW_KEYBOARD = 3
-} xcb_input_focus_t;
-
-#define XCB_SET_INPUT_FOCUS 42
-
-typedef struct xcb_set_input_focus_request_t {
- uint8_t major_opcode;
- uint8_t revert_to;
- uint16_t length;
- xcb_window_t focus;
- xcb_timestamp_t time;
-} xcb_set_input_focus_request_t;
-
-typedef struct xcb_get_input_focus_cookie_t {
- unsigned int sequence;
-} xcb_get_input_focus_cookie_t;
-
-#define XCB_GET_INPUT_FOCUS 43
-
-typedef struct xcb_get_input_focus_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_get_input_focus_request_t;
-
-typedef struct xcb_get_input_focus_reply_t {
- uint8_t response_type;
- uint8_t revert_to;
- uint16_t sequence;
- uint32_t length;
- xcb_window_t focus;
-} xcb_get_input_focus_reply_t;
-
-typedef struct xcb_query_keymap_cookie_t {
- unsigned int sequence;
-} xcb_query_keymap_cookie_t;
-
-#define XCB_QUERY_KEYMAP 44
-
-typedef struct xcb_query_keymap_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_query_keymap_request_t;
-
-typedef struct xcb_query_keymap_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint8_t keys[32];
-} xcb_query_keymap_reply_t;
-
-#define XCB_OPEN_FONT 45
-
-typedef struct xcb_open_font_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_font_t fid;
- uint16_t name_len;
- uint8_t pad1[2];
-} xcb_open_font_request_t;
-
-#define XCB_CLOSE_FONT 46
-
-typedef struct xcb_close_font_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_font_t font;
-} xcb_close_font_request_t;
-
-typedef enum xcb_font_draw_t {
- XCB_FONT_DRAW_LEFT_TO_RIGHT = 0,
- XCB_FONT_DRAW_RIGHT_TO_LEFT = 1
-} xcb_font_draw_t;
-
-typedef struct xcb_fontprop_t {
- xcb_atom_t name;
- uint32_t value;
-} xcb_fontprop_t;
-
-typedef struct xcb_fontprop_iterator_t {
- xcb_fontprop_t *data;
- int rem;
- int index;
-} xcb_fontprop_iterator_t;
-
-typedef struct xcb_charinfo_t {
- int16_t left_side_bearing;
- int16_t right_side_bearing;
- int16_t character_width;
- int16_t ascent;
- int16_t descent;
- uint16_t attributes;
-} xcb_charinfo_t;
-
-typedef struct xcb_charinfo_iterator_t {
- xcb_charinfo_t *data;
- int rem;
- int index;
-} xcb_charinfo_iterator_t;
-
-typedef struct xcb_query_font_cookie_t {
- unsigned int sequence;
-} xcb_query_font_cookie_t;
-
-#define XCB_QUERY_FONT 47
-
-typedef struct xcb_query_font_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_fontable_t font;
-} xcb_query_font_request_t;
-
-typedef struct xcb_query_font_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- xcb_charinfo_t min_bounds;
- uint8_t pad1[4];
- xcb_charinfo_t max_bounds;
- uint8_t pad2[4];
- uint16_t min_char_or_byte2;
- uint16_t max_char_or_byte2;
- uint16_t default_char;
- uint16_t properties_len;
- uint8_t draw_direction;
- uint8_t min_byte1;
- uint8_t max_byte1;
- uint8_t all_chars_exist;
- int16_t font_ascent;
- int16_t font_descent;
- uint32_t char_infos_len;
-} xcb_query_font_reply_t;
-
-typedef struct xcb_query_text_extents_cookie_t {
- unsigned int sequence;
-} xcb_query_text_extents_cookie_t;
-
-#define XCB_QUERY_TEXT_EXTENTS 48
-
-typedef struct xcb_query_text_extents_request_t {
- uint8_t major_opcode;
- uint8_t odd_length;
- uint16_t length;
- xcb_fontable_t font;
-} xcb_query_text_extents_request_t;
-
-typedef struct xcb_query_text_extents_reply_t {
- uint8_t response_type;
- uint8_t draw_direction;
- uint16_t sequence;
- uint32_t length;
- int16_t font_ascent;
- int16_t font_descent;
- int16_t overall_ascent;
- int16_t overall_descent;
- int32_t overall_width;
- int32_t overall_left;
- int32_t overall_right;
-} xcb_query_text_extents_reply_t;
-
-typedef struct xcb_str_t {
- uint8_t name_len;
-} xcb_str_t;
-
-typedef struct xcb_str_iterator_t {
- xcb_str_t *data;
- int rem;
- int index;
-} xcb_str_iterator_t;
-
-typedef struct xcb_list_fonts_cookie_t {
- unsigned int sequence;
-} xcb_list_fonts_cookie_t;
-
-#define XCB_LIST_FONTS 49
-
-typedef struct xcb_list_fonts_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- uint16_t max_names;
- uint16_t pattern_len;
-} xcb_list_fonts_request_t;
-
-typedef struct xcb_list_fonts_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t names_len;
- uint8_t pad1[22];
-} xcb_list_fonts_reply_t;
-
-typedef struct xcb_list_fonts_with_info_cookie_t {
- unsigned int sequence;
-} xcb_list_fonts_with_info_cookie_t;
-
-#define XCB_LIST_FONTS_WITH_INFO 50
-
-typedef struct xcb_list_fonts_with_info_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- uint16_t max_names;
- uint16_t pattern_len;
-} xcb_list_fonts_with_info_request_t;
-
-typedef struct xcb_list_fonts_with_info_reply_t {
- uint8_t response_type;
- uint8_t name_len;
- uint16_t sequence;
- uint32_t length;
- xcb_charinfo_t min_bounds;
- uint8_t pad0[4];
- xcb_charinfo_t max_bounds;
- uint8_t pad1[4];
- uint16_t min_char_or_byte2;
- uint16_t max_char_or_byte2;
- uint16_t default_char;
- uint16_t properties_len;
- uint8_t draw_direction;
- uint8_t min_byte1;
- uint8_t max_byte1;
- uint8_t all_chars_exist;
- int16_t font_ascent;
- int16_t font_descent;
- uint32_t replies_hint;
-} xcb_list_fonts_with_info_reply_t;
-
-#define XCB_SET_FONT_PATH 51
-
-typedef struct xcb_set_font_path_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- uint16_t font_qty;
- uint8_t pad1[2];
-} xcb_set_font_path_request_t;
-
-typedef struct xcb_get_font_path_cookie_t {
- unsigned int sequence;
-} xcb_get_font_path_cookie_t;
-
-#define XCB_GET_FONT_PATH 52
-
-typedef struct xcb_get_font_path_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_get_font_path_request_t;
-
-typedef struct xcb_get_font_path_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t path_len;
- uint8_t pad1[22];
-} xcb_get_font_path_reply_t;
-
-#define XCB_CREATE_PIXMAP 53
-
-typedef struct xcb_create_pixmap_request_t {
- uint8_t major_opcode;
- uint8_t depth;
- uint16_t length;
- xcb_pixmap_t pid;
- xcb_drawable_t drawable;
- uint16_t width;
- uint16_t height;
-} xcb_create_pixmap_request_t;
-
-#define XCB_FREE_PIXMAP 54
-
-typedef struct xcb_free_pixmap_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_pixmap_t pixmap;
-} xcb_free_pixmap_request_t;
-
-typedef enum xcb_gc_t {
- XCB_GC_FUNCTION = 1,
- XCB_GC_PLANE_MASK = 2,
- XCB_GC_FOREGROUND = 4,
- XCB_GC_BACKGROUND = 8,
- XCB_GC_LINE_WIDTH = 16,
- XCB_GC_LINE_STYLE = 32,
- XCB_GC_CAP_STYLE = 64,
- XCB_GC_JOIN_STYLE = 128,
- XCB_GC_FILL_STYLE = 256,
- XCB_GC_FILL_RULE = 512,
- XCB_GC_TILE = 1024,
- XCB_GC_STIPPLE = 2048,
- XCB_GC_TILE_STIPPLE_ORIGIN_X = 4096,
- XCB_GC_TILE_STIPPLE_ORIGIN_Y = 8192,
- XCB_GC_FONT = 16384,
- XCB_GC_SUBWINDOW_MODE = 32768,
- XCB_GC_GRAPHICS_EXPOSURES = 65536,
- XCB_GC_CLIP_ORIGIN_X = 131072,
- XCB_GC_CLIP_ORIGIN_Y = 262144,
- XCB_GC_CLIP_MASK = 524288,
- XCB_GC_DASH_OFFSET = 1048576,
- XCB_GC_DASH_LIST = 2097152,
- XCB_GC_ARC_MODE = 4194304
-} xcb_gc_t;
-
-typedef enum xcb_gx_t {
- XCB_GX_CLEAR = 0,
- XCB_GX_AND = 1,
- XCB_GX_AND_REVERSE = 2,
- XCB_GX_COPY = 3,
- XCB_GX_AND_INVERTED = 4,
- XCB_GX_NOOP = 5,
- XCB_GX_XOR = 6,
- XCB_GX_OR = 7,
- XCB_GX_NOR = 8,
- XCB_GX_EQUIV = 9,
- XCB_GX_INVERT = 10,
- XCB_GX_OR_REVERSE = 11,
- XCB_GX_COPY_INVERTED = 12,
- XCB_GX_OR_INVERTED = 13,
- XCB_GX_NAND = 14,
- XCB_GX_SET = 15
-} xcb_gx_t;
-
-typedef enum xcb_line_style_t {
- XCB_LINE_STYLE_SOLID = 0,
- XCB_LINE_STYLE_ON_OFF_DASH = 1,
- XCB_LINE_STYLE_DOUBLE_DASH = 2
-} xcb_line_style_t;
-
-typedef enum xcb_cap_style_t {
- XCB_CAP_STYLE_NOT_LAST = 0,
- XCB_CAP_STYLE_BUTT = 1,
- XCB_CAP_STYLE_ROUND = 2,
- XCB_CAP_STYLE_PROJECTING = 3
-} xcb_cap_style_t;
-
-typedef enum xcb_join_style_t {
- XCB_JOIN_STYLE_MITER = 0,
- XCB_JOIN_STYLE_ROUND = 1,
- XCB_JOIN_STYLE_BEVEL = 2
-} xcb_join_style_t;
-
-typedef enum xcb_fill_style_t {
- XCB_FILL_STYLE_SOLID = 0,
- XCB_FILL_STYLE_TILED = 1,
- XCB_FILL_STYLE_STIPPLED = 2,
- XCB_FILL_STYLE_OPAQUE_STIPPLED = 3
-} xcb_fill_style_t;
-
-typedef enum xcb_fill_rule_t {
- XCB_FILL_RULE_EVEN_ODD = 0,
- XCB_FILL_RULE_WINDING = 1
-} xcb_fill_rule_t;
-
-typedef enum xcb_subwindow_mode_t {
- XCB_SUBWINDOW_MODE_CLIP_BY_CHILDREN = 0,
- XCB_SUBWINDOW_MODE_INCLUDE_INFERIORS = 1
-} xcb_subwindow_mode_t;
-
-typedef enum xcb_arc_mode_t {
- XCB_ARC_MODE_CHORD = 0,
- XCB_ARC_MODE_PIE_SLICE = 1
-} xcb_arc_mode_t;
-
-#define XCB_CREATE_GC 55
-
-typedef struct xcb_create_gc_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_gcontext_t cid;
- xcb_drawable_t drawable;
- uint32_t value_mask;
-} xcb_create_gc_request_t;
-
-#define XCB_CHANGE_GC 56
-
-typedef struct xcb_change_gc_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_gcontext_t gc;
- uint32_t value_mask;
-} xcb_change_gc_request_t;
-
-#define XCB_COPY_GC 57
-
-typedef struct xcb_copy_gc_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_gcontext_t src_gc;
- xcb_gcontext_t dst_gc;
- uint32_t value_mask;
-} xcb_copy_gc_request_t;
-
-#define XCB_SET_DASHES 58
-
-typedef struct xcb_set_dashes_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_gcontext_t gc;
- uint16_t dash_offset;
- uint16_t dashes_len;
-} xcb_set_dashes_request_t;
-
-typedef enum xcb_clip_ordering_t {
- XCB_CLIP_ORDERING_UNSORTED = 0,
- XCB_CLIP_ORDERING_Y_SORTED = 1,
- XCB_CLIP_ORDERING_YX_SORTED = 2,
- XCB_CLIP_ORDERING_YX_BANDED = 3
-} xcb_clip_ordering_t;
-
-#define XCB_SET_CLIP_RECTANGLES 59
-
-typedef struct xcb_set_clip_rectangles_request_t {
- uint8_t major_opcode;
- uint8_t ordering;
- uint16_t length;
- xcb_gcontext_t gc;
- int16_t clip_x_origin;
- int16_t clip_y_origin;
-} xcb_set_clip_rectangles_request_t;
-
-#define XCB_FREE_GC 60
-
-typedef struct xcb_free_gc_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_gcontext_t gc;
-} xcb_free_gc_request_t;
-
-#define XCB_CLEAR_AREA 61
-
-typedef struct xcb_clear_area_request_t {
- uint8_t major_opcode;
- uint8_t exposures;
- uint16_t length;
- xcb_window_t window;
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
-} xcb_clear_area_request_t;
-
-#define XCB_COPY_AREA 62
-
-typedef struct xcb_copy_area_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t src_drawable;
- xcb_drawable_t dst_drawable;
- xcb_gcontext_t gc;
- int16_t src_x;
- int16_t src_y;
- int16_t dst_x;
- int16_t dst_y;
- uint16_t width;
- uint16_t height;
-} xcb_copy_area_request_t;
-
-#define XCB_COPY_PLANE 63
-
-typedef struct xcb_copy_plane_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t src_drawable;
- xcb_drawable_t dst_drawable;
- xcb_gcontext_t gc;
- int16_t src_x;
- int16_t src_y;
- int16_t dst_x;
- int16_t dst_y;
- uint16_t width;
- uint16_t height;
- uint32_t bit_plane;
-} xcb_copy_plane_request_t;
-
-typedef enum xcb_coord_mode_t {
- XCB_COORD_MODE_ORIGIN = 0,
- XCB_COORD_MODE_PREVIOUS = 1
-} xcb_coord_mode_t;
-
-#define XCB_POLY_POINT 64
-
-typedef struct xcb_poly_point_request_t {
- uint8_t major_opcode;
- uint8_t coordinate_mode;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
-} xcb_poly_point_request_t;
-
-#define XCB_POLY_LINE 65
-
-typedef struct xcb_poly_line_request_t {
- uint8_t major_opcode;
- uint8_t coordinate_mode;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
-} xcb_poly_line_request_t;
-
-typedef struct xcb_segment_t {
- int16_t x1;
- int16_t y1;
- int16_t x2;
- int16_t y2;
-} xcb_segment_t;
-
-typedef struct xcb_segment_iterator_t {
- xcb_segment_t *data;
- int rem;
- int index;
-} xcb_segment_iterator_t;
-
-#define XCB_POLY_SEGMENT 66
-
-typedef struct xcb_poly_segment_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
-} xcb_poly_segment_request_t;
-
-#define XCB_POLY_RECTANGLE 67
-
-typedef struct xcb_poly_rectangle_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
-} xcb_poly_rectangle_request_t;
-
-#define XCB_POLY_ARC 68
-
-typedef struct xcb_poly_arc_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
-} xcb_poly_arc_request_t;
-
-typedef enum xcb_poly_shape_t {
- XCB_POLY_SHAPE_COMPLEX = 0,
- XCB_POLY_SHAPE_NONCONVEX = 1,
- XCB_POLY_SHAPE_CONVEX = 2
-} xcb_poly_shape_t;
-
-#define XCB_FILL_POLY 69
-
-typedef struct xcb_fill_poly_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
- uint8_t shape;
- uint8_t coordinate_mode;
- uint8_t pad1[2];
-} xcb_fill_poly_request_t;
-
-#define XCB_POLY_FILL_RECTANGLE 70
-
-typedef struct xcb_poly_fill_rectangle_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
-} xcb_poly_fill_rectangle_request_t;
-
-#define XCB_POLY_FILL_ARC 71
-
-typedef struct xcb_poly_fill_arc_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
-} xcb_poly_fill_arc_request_t;
-
-typedef enum xcb_image_format_t {
- XCB_IMAGE_FORMAT_XY_BITMAP = 0,
- XCB_IMAGE_FORMAT_XY_PIXMAP = 1,
- XCB_IMAGE_FORMAT_Z_PIXMAP = 2
-} xcb_image_format_t;
-
-#define XCB_PUT_IMAGE 72
-
-typedef struct xcb_put_image_request_t {
- uint8_t major_opcode;
- uint8_t format;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
- uint16_t width;
- uint16_t height;
- int16_t dst_x;
- int16_t dst_y;
- uint8_t left_pad;
- uint8_t depth;
- uint8_t pad0[2];
-} xcb_put_image_request_t;
-
-typedef struct xcb_get_image_cookie_t {
- unsigned int sequence;
-} xcb_get_image_cookie_t;
-
-#define XCB_GET_IMAGE 73
-
-typedef struct xcb_get_image_request_t {
- uint8_t major_opcode;
- uint8_t format;
- uint16_t length;
- xcb_drawable_t drawable;
- int16_t x;
- int16_t y;
- uint16_t width;
- uint16_t height;
- uint32_t plane_mask;
-} xcb_get_image_request_t;
-
-typedef struct xcb_get_image_reply_t {
- uint8_t response_type;
- uint8_t depth;
- uint16_t sequence;
- uint32_t length;
- xcb_visualid_t visual;
- uint8_t pad0[20];
-} xcb_get_image_reply_t;
-
-#define XCB_POLY_TEXT_8 74
-
-typedef struct xcb_poly_text_8_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
- int16_t x;
- int16_t y;
-} xcb_poly_text_8_request_t;
-
-#define XCB_POLY_TEXT_16 75
-
-typedef struct xcb_poly_text_16_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
- int16_t x;
- int16_t y;
-} xcb_poly_text_16_request_t;
-
-#define XCB_IMAGE_TEXT_8 76
-
-typedef struct xcb_image_text_8_request_t {
- uint8_t major_opcode;
- uint8_t string_len;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
- int16_t x;
- int16_t y;
-} xcb_image_text_8_request_t;
-
-#define XCB_IMAGE_TEXT_16 77
-
-typedef struct xcb_image_text_16_request_t {
- uint8_t major_opcode;
- uint8_t string_len;
- uint16_t length;
- xcb_drawable_t drawable;
- xcb_gcontext_t gc;
- int16_t x;
- int16_t y;
-} xcb_image_text_16_request_t;
-
-typedef enum xcb_colormap_alloc_t {
- XCB_COLORMAP_ALLOC_NONE = 0,
- XCB_COLORMAP_ALLOC_ALL = 1
-} xcb_colormap_alloc_t;
-
-#define XCB_CREATE_COLORMAP 78
-
-typedef struct xcb_create_colormap_request_t {
- uint8_t major_opcode;
- uint8_t alloc;
- uint16_t length;
- xcb_colormap_t mid;
- xcb_window_t window;
- xcb_visualid_t visual;
-} xcb_create_colormap_request_t;
-
-#define XCB_FREE_COLORMAP 79
-
-typedef struct xcb_free_colormap_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
-} xcb_free_colormap_request_t;
-
-#define XCB_COPY_COLORMAP_AND_FREE 80
-
-typedef struct xcb_copy_colormap_and_free_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t mid;
- xcb_colormap_t src_cmap;
-} xcb_copy_colormap_and_free_request_t;
-
-#define XCB_INSTALL_COLORMAP 81
-
-typedef struct xcb_install_colormap_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
-} xcb_install_colormap_request_t;
-
-#define XCB_UNINSTALL_COLORMAP 82
-
-typedef struct xcb_uninstall_colormap_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
-} xcb_uninstall_colormap_request_t;
-
-typedef struct xcb_list_installed_colormaps_cookie_t {
- unsigned int sequence;
-} xcb_list_installed_colormaps_cookie_t;
-
-#define XCB_LIST_INSTALLED_COLORMAPS 83
-
-typedef struct xcb_list_installed_colormaps_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
-} xcb_list_installed_colormaps_request_t;
-
-typedef struct xcb_list_installed_colormaps_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t cmaps_len;
- uint8_t pad1[22];
-} xcb_list_installed_colormaps_reply_t;
-
-typedef struct xcb_alloc_color_cookie_t {
- unsigned int sequence;
-} xcb_alloc_color_cookie_t;
-
-#define XCB_ALLOC_COLOR 84
-
-typedef struct xcb_alloc_color_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
- uint16_t red;
- uint16_t green;
- uint16_t blue;
- uint8_t pad1[2];
-} xcb_alloc_color_request_t;
-
-typedef struct xcb_alloc_color_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t red;
- uint16_t green;
- uint16_t blue;
- uint8_t pad1[2];
- uint32_t pixel;
-} xcb_alloc_color_reply_t;
-
-typedef struct xcb_alloc_named_color_cookie_t {
- unsigned int sequence;
-} xcb_alloc_named_color_cookie_t;
-
-#define XCB_ALLOC_NAMED_COLOR 85
-
-typedef struct xcb_alloc_named_color_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
- uint16_t name_len;
- uint8_t pad1[2];
-} xcb_alloc_named_color_request_t;
-
-typedef struct xcb_alloc_named_color_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint32_t pixel;
- uint16_t exact_red;
- uint16_t exact_green;
- uint16_t exact_blue;
- uint16_t visual_red;
- uint16_t visual_green;
- uint16_t visual_blue;
-} xcb_alloc_named_color_reply_t;
-
-typedef struct xcb_alloc_color_cells_cookie_t {
- unsigned int sequence;
-} xcb_alloc_color_cells_cookie_t;
-
-#define XCB_ALLOC_COLOR_CELLS 86
-
-typedef struct xcb_alloc_color_cells_request_t {
- uint8_t major_opcode;
- uint8_t contiguous;
- uint16_t length;
- xcb_colormap_t cmap;
- uint16_t colors;
- uint16_t planes;
-} xcb_alloc_color_cells_request_t;
-
-typedef struct xcb_alloc_color_cells_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t pixels_len;
- uint16_t masks_len;
- uint8_t pad1[20];
-} xcb_alloc_color_cells_reply_t;
-
-typedef struct xcb_alloc_color_planes_cookie_t {
- unsigned int sequence;
-} xcb_alloc_color_planes_cookie_t;
-
-#define XCB_ALLOC_COLOR_PLANES 87
-
-typedef struct xcb_alloc_color_planes_request_t {
- uint8_t major_opcode;
- uint8_t contiguous;
- uint16_t length;
- xcb_colormap_t cmap;
- uint16_t colors;
- uint16_t reds;
- uint16_t greens;
- uint16_t blues;
-} xcb_alloc_color_planes_request_t;
-
-typedef struct xcb_alloc_color_planes_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t pixels_len;
- uint8_t pad1[2];
- uint32_t red_mask;
- uint32_t green_mask;
- uint32_t blue_mask;
- uint8_t pad2[8];
-} xcb_alloc_color_planes_reply_t;
-
-#define XCB_FREE_COLORS 88
-
-typedef struct xcb_free_colors_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
- uint32_t plane_mask;
-} xcb_free_colors_request_t;
-
-typedef enum xcb_color_flag_t {
- XCB_COLOR_FLAG_RED = 1,
- XCB_COLOR_FLAG_GREEN = 2,
- XCB_COLOR_FLAG_BLUE = 4
-} xcb_color_flag_t;
-
-typedef struct xcb_coloritem_t {
- uint32_t pixel;
- uint16_t red;
- uint16_t green;
- uint16_t blue;
- uint8_t flags;
- uint8_t pad0;
-} xcb_coloritem_t;
-
-typedef struct xcb_coloritem_iterator_t {
- xcb_coloritem_t *data;
- int rem;
- int index;
-} xcb_coloritem_iterator_t;
-
-#define XCB_STORE_COLORS 89
-
-typedef struct xcb_store_colors_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
-} xcb_store_colors_request_t;
-
-#define XCB_STORE_NAMED_COLOR 90
-
-typedef struct xcb_store_named_color_request_t {
- uint8_t major_opcode;
- uint8_t flags;
- uint16_t length;
- xcb_colormap_t cmap;
- uint32_t pixel;
- uint16_t name_len;
- uint8_t pad0[2];
-} xcb_store_named_color_request_t;
-
-typedef struct xcb_rgb_t {
- uint16_t red;
- uint16_t green;
- uint16_t blue;
- uint8_t pad0[2];
-} xcb_rgb_t;
-
-typedef struct xcb_rgb_iterator_t {
- xcb_rgb_t *data;
- int rem;
- int index;
-} xcb_rgb_iterator_t;
-
-typedef struct xcb_query_colors_cookie_t {
- unsigned int sequence;
-} xcb_query_colors_cookie_t;
-
-#define XCB_QUERY_COLORS 91
-
-typedef struct xcb_query_colors_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
-} xcb_query_colors_request_t;
-
-typedef struct xcb_query_colors_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t colors_len;
- uint8_t pad1[22];
-} xcb_query_colors_reply_t;
-
-typedef struct xcb_lookup_color_cookie_t {
- unsigned int sequence;
-} xcb_lookup_color_cookie_t;
-
-#define XCB_LOOKUP_COLOR 92
-
-typedef struct xcb_lookup_color_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_colormap_t cmap;
- uint16_t name_len;
- uint8_t pad1[2];
-} xcb_lookup_color_request_t;
-
-typedef struct xcb_lookup_color_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t exact_red;
- uint16_t exact_green;
- uint16_t exact_blue;
- uint16_t visual_red;
- uint16_t visual_green;
- uint16_t visual_blue;
-} xcb_lookup_color_reply_t;
-
-typedef enum xcb_pixmap_enum_t {
- XCB_PIXMAP_NONE = 0
-} xcb_pixmap_enum_t;
-
-#define XCB_CREATE_CURSOR 93
-
-typedef struct xcb_create_cursor_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_cursor_t cid;
- xcb_pixmap_t source;
- xcb_pixmap_t mask;
- uint16_t fore_red;
- uint16_t fore_green;
- uint16_t fore_blue;
- uint16_t back_red;
- uint16_t back_green;
- uint16_t back_blue;
- uint16_t x;
- uint16_t y;
-} xcb_create_cursor_request_t;
-
-typedef enum xcb_font_enum_t {
- XCB_FONT_NONE = 0
-} xcb_font_enum_t;
-
-#define XCB_CREATE_GLYPH_CURSOR 94
-
-typedef struct xcb_create_glyph_cursor_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_cursor_t cid;
- xcb_font_t source_font;
- xcb_font_t mask_font;
- uint16_t source_char;
- uint16_t mask_char;
- uint16_t fore_red;
- uint16_t fore_green;
- uint16_t fore_blue;
- uint16_t back_red;
- uint16_t back_green;
- uint16_t back_blue;
-} xcb_create_glyph_cursor_request_t;
-
-#define XCB_FREE_CURSOR 95
-
-typedef struct xcb_free_cursor_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_cursor_t cursor;
-} xcb_free_cursor_request_t;
-
-#define XCB_RECOLOR_CURSOR 96
-
-typedef struct xcb_recolor_cursor_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_cursor_t cursor;
- uint16_t fore_red;
- uint16_t fore_green;
- uint16_t fore_blue;
- uint16_t back_red;
- uint16_t back_green;
- uint16_t back_blue;
-} xcb_recolor_cursor_request_t;
-
-typedef enum xcb_query_shape_of_t {
- XCB_QUERY_SHAPE_OF_LARGEST_CURSOR = 0,
- XCB_QUERY_SHAPE_OF_FASTEST_TILE = 1,
- XCB_QUERY_SHAPE_OF_FASTEST_STIPPLE = 2
-} xcb_query_shape_of_t;
-
-typedef struct xcb_query_best_size_cookie_t {
- unsigned int sequence;
-} xcb_query_best_size_cookie_t;
-
-#define XCB_QUERY_BEST_SIZE 97
-
-typedef struct xcb_query_best_size_request_t {
- uint8_t major_opcode;
- uint8_t _class;
- uint16_t length;
- xcb_drawable_t drawable;
- uint16_t width;
- uint16_t height;
-} xcb_query_best_size_request_t;
-
-typedef struct xcb_query_best_size_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t width;
- uint16_t height;
-} xcb_query_best_size_reply_t;
-
-typedef struct xcb_query_extension_cookie_t {
- unsigned int sequence;
-} xcb_query_extension_cookie_t;
-
-#define XCB_QUERY_EXTENSION 98
-
-typedef struct xcb_query_extension_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- uint16_t name_len;
- uint8_t pad1[2];
-} xcb_query_extension_request_t;
-
-typedef struct xcb_query_extension_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint8_t present;
- uint8_t major_opcode;
- uint8_t first_event;
- uint8_t first_error;
-} xcb_query_extension_reply_t;
-
-typedef struct xcb_list_extensions_cookie_t {
- unsigned int sequence;
-} xcb_list_extensions_cookie_t;
-
-#define XCB_LIST_EXTENSIONS 99
-
-typedef struct xcb_list_extensions_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_list_extensions_request_t;
-
-typedef struct xcb_list_extensions_reply_t {
- uint8_t response_type;
- uint8_t names_len;
- uint16_t sequence;
- uint32_t length;
- uint8_t pad0[24];
-} xcb_list_extensions_reply_t;
-
-#define XCB_CHANGE_KEYBOARD_MAPPING 100
-
-typedef struct xcb_change_keyboard_mapping_request_t {
- uint8_t major_opcode;
- uint8_t keycode_count;
- uint16_t length;
- xcb_keycode_t first_keycode;
- uint8_t keysyms_per_keycode;
- uint8_t pad0[2];
-} xcb_change_keyboard_mapping_request_t;
-
-typedef struct xcb_get_keyboard_mapping_cookie_t {
- unsigned int sequence;
-} xcb_get_keyboard_mapping_cookie_t;
-
-#define XCB_GET_KEYBOARD_MAPPING 101
-
-typedef struct xcb_get_keyboard_mapping_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_keycode_t first_keycode;
- uint8_t count;
-} xcb_get_keyboard_mapping_request_t;
-
-typedef struct xcb_get_keyboard_mapping_reply_t {
- uint8_t response_type;
- uint8_t keysyms_per_keycode;
- uint16_t sequence;
- uint32_t length;
- uint8_t pad0[24];
-} xcb_get_keyboard_mapping_reply_t;
-
-typedef enum xcb_kb_t {
- XCB_KB_KEY_CLICK_PERCENT = 1,
- XCB_KB_BELL_PERCENT = 2,
- XCB_KB_BELL_PITCH = 4,
- XCB_KB_BELL_DURATION = 8,
- XCB_KB_LED = 16,
- XCB_KB_LED_MODE = 32,
- XCB_KB_KEY = 64,
- XCB_KB_AUTO_REPEAT_MODE = 128
-} xcb_kb_t;
-
-typedef enum xcb_led_mode_t {
- XCB_LED_MODE_OFF = 0,
- XCB_LED_MODE_ON = 1
-} xcb_led_mode_t;
-
-typedef enum xcb_auto_repeat_mode_t {
- XCB_AUTO_REPEAT_MODE_OFF = 0,
- XCB_AUTO_REPEAT_MODE_ON = 1,
- XCB_AUTO_REPEAT_MODE_DEFAULT = 2
-} xcb_auto_repeat_mode_t;
-
-#define XCB_CHANGE_KEYBOARD_CONTROL 102
-
-typedef struct xcb_change_keyboard_control_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- uint32_t value_mask;
-} xcb_change_keyboard_control_request_t;
-
-typedef struct xcb_get_keyboard_control_cookie_t {
- unsigned int sequence;
-} xcb_get_keyboard_control_cookie_t;
-
-#define XCB_GET_KEYBOARD_CONTROL 103
-
-typedef struct xcb_get_keyboard_control_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_get_keyboard_control_request_t;
-
-typedef struct xcb_get_keyboard_control_reply_t {
- uint8_t response_type;
- uint8_t global_auto_repeat;
- uint16_t sequence;
- uint32_t length;
- uint32_t led_mask;
- uint8_t key_click_percent;
- uint8_t bell_percent;
- uint16_t bell_pitch;
- uint16_t bell_duration;
- uint8_t pad0[2];
- uint8_t auto_repeats[32];
-} xcb_get_keyboard_control_reply_t;
-
-#define XCB_BELL 104
-
-typedef struct xcb_bell_request_t {
- uint8_t major_opcode;
- int8_t percent;
- uint16_t length;
-} xcb_bell_request_t;
-
-#define XCB_CHANGE_POINTER_CONTROL 105
-
-typedef struct xcb_change_pointer_control_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- int16_t acceleration_numerator;
- int16_t acceleration_denominator;
- int16_t threshold;
- uint8_t do_acceleration;
- uint8_t do_threshold;
-} xcb_change_pointer_control_request_t;
-
-typedef struct xcb_get_pointer_control_cookie_t {
- unsigned int sequence;
-} xcb_get_pointer_control_cookie_t;
-
-#define XCB_GET_POINTER_CONTROL 106
-
-typedef struct xcb_get_pointer_control_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_get_pointer_control_request_t;
-
-typedef struct xcb_get_pointer_control_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t acceleration_numerator;
- uint16_t acceleration_denominator;
- uint16_t threshold;
- uint8_t pad1[18];
-} xcb_get_pointer_control_reply_t;
-
-typedef enum xcb_blanking_t {
- XCB_BLANKING_NOT_PREFERRED = 0,
- XCB_BLANKING_PREFERRED = 1,
- XCB_BLANKING_DEFAULT = 2
-} xcb_blanking_t;
-
-typedef enum xcb_exposures_t {
- XCB_EXPOSURES_NOT_ALLOWED = 0,
- XCB_EXPOSURES_ALLOWED = 1,
- XCB_EXPOSURES_DEFAULT = 2
-} xcb_exposures_t;
-
-#define XCB_SET_SCREEN_SAVER 107
-
-typedef struct xcb_set_screen_saver_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- int16_t timeout;
- int16_t interval;
- uint8_t prefer_blanking;
- uint8_t allow_exposures;
-} xcb_set_screen_saver_request_t;
-
-typedef struct xcb_get_screen_saver_cookie_t {
- unsigned int sequence;
-} xcb_get_screen_saver_cookie_t;
-
-#define XCB_GET_SCREEN_SAVER 108
-
-typedef struct xcb_get_screen_saver_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_get_screen_saver_request_t;
-
-typedef struct xcb_get_screen_saver_reply_t {
- uint8_t response_type;
- uint8_t pad0;
- uint16_t sequence;
- uint32_t length;
- uint16_t timeout;
- uint16_t interval;
- uint8_t prefer_blanking;
- uint8_t allow_exposures;
- uint8_t pad1[18];
-} xcb_get_screen_saver_reply_t;
-
-typedef enum xcb_host_mode_t {
- XCB_HOST_MODE_INSERT = 0,
- XCB_HOST_MODE_DELETE = 1
-} xcb_host_mode_t;
-
-typedef enum xcb_family_t {
- XCB_FAMILY_INTERNET = 0,
- XCB_FAMILY_DECNET = 1,
- XCB_FAMILY_CHAOS = 2,
- XCB_FAMILY_SERVER_INTERPRETED = 5,
- XCB_FAMILY_INTERNET_6 = 6
-} xcb_family_t;
-
-#define XCB_CHANGE_HOSTS 109
-
-typedef struct xcb_change_hosts_request_t {
- uint8_t major_opcode;
- uint8_t mode;
- uint16_t length;
- uint8_t family;
- uint8_t pad0;
- uint16_t address_len;
-} xcb_change_hosts_request_t;
-
-typedef struct xcb_host_t {
- uint8_t family;
- uint8_t pad0;
- uint16_t address_len;
-} xcb_host_t;
-
-typedef struct xcb_host_iterator_t {
- xcb_host_t *data;
- int rem;
- int index;
-} xcb_host_iterator_t;
-
-typedef struct xcb_list_hosts_cookie_t {
- unsigned int sequence;
-} xcb_list_hosts_cookie_t;
-
-#define XCB_LIST_HOSTS 110
-
-typedef struct xcb_list_hosts_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_list_hosts_request_t;
-
-typedef struct xcb_list_hosts_reply_t {
- uint8_t response_type;
- uint8_t mode;
- uint16_t sequence;
- uint32_t length;
- uint16_t hosts_len;
- uint8_t pad0[22];
-} xcb_list_hosts_reply_t;
-
-typedef enum xcb_access_control_t {
- XCB_ACCESS_CONTROL_DISABLE = 0,
- XCB_ACCESS_CONTROL_ENABLE = 1
-} xcb_access_control_t;
-
-#define XCB_SET_ACCESS_CONTROL 111
-
-typedef struct xcb_set_access_control_request_t {
- uint8_t major_opcode;
- uint8_t mode;
- uint16_t length;
-} xcb_set_access_control_request_t;
-
-typedef enum xcb_close_down_t {
- XCB_CLOSE_DOWN_DESTROY_ALL = 0,
- XCB_CLOSE_DOWN_RETAIN_PERMANENT = 1,
- XCB_CLOSE_DOWN_RETAIN_TEMPORARY = 2
-} xcb_close_down_t;
-
-#define XCB_SET_CLOSE_DOWN_MODE 112
-
-typedef struct xcb_set_close_down_mode_request_t {
- uint8_t major_opcode;
- uint8_t mode;
- uint16_t length;
-} xcb_set_close_down_mode_request_t;
-
-typedef enum xcb_kill_t {
- XCB_KILL_ALL_TEMPORARY = 0
-} xcb_kill_t;
-
-#define XCB_KILL_CLIENT 113
-
-typedef struct xcb_kill_client_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- uint32_t resource;
-} xcb_kill_client_request_t;
-
-#define XCB_ROTATE_PROPERTIES 114
-
-typedef struct xcb_rotate_properties_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
- xcb_window_t window;
- uint16_t atoms_len;
- int16_t delta;
-} xcb_rotate_properties_request_t;
-
-typedef enum xcb_screen_saver_t {
- XCB_SCREEN_SAVER_RESET = 0,
- XCB_SCREEN_SAVER_ACTIVE = 1
-} xcb_screen_saver_t;
-
-#define XCB_FORCE_SCREEN_SAVER 115
-
-typedef struct xcb_force_screen_saver_request_t {
- uint8_t major_opcode;
- uint8_t mode;
- uint16_t length;
-} xcb_force_screen_saver_request_t;
-
-typedef enum xcb_mapping_status_t {
- XCB_MAPPING_STATUS_SUCCESS = 0,
- XCB_MAPPING_STATUS_BUSY = 1,
- XCB_MAPPING_STATUS_FAILURE = 2
-} xcb_mapping_status_t;
-
-typedef struct xcb_set_pointer_mapping_cookie_t {
- unsigned int sequence;
-} xcb_set_pointer_mapping_cookie_t;
-
-#define XCB_SET_POINTER_MAPPING 116
-
-typedef struct xcb_set_pointer_mapping_request_t {
- uint8_t major_opcode;
- uint8_t map_len;
- uint16_t length;
-} xcb_set_pointer_mapping_request_t;
-
-typedef struct xcb_set_pointer_mapping_reply_t {
- uint8_t response_type;
- uint8_t status;
- uint16_t sequence;
- uint32_t length;
-} xcb_set_pointer_mapping_reply_t;
-
-typedef struct xcb_get_pointer_mapping_cookie_t {
- unsigned int sequence;
-} xcb_get_pointer_mapping_cookie_t;
-
-#define XCB_GET_POINTER_MAPPING 117
-
-typedef struct xcb_get_pointer_mapping_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_get_pointer_mapping_request_t;
-
-typedef struct xcb_get_pointer_mapping_reply_t {
- uint8_t response_type;
- uint8_t map_len;
- uint16_t sequence;
- uint32_t length;
- uint8_t pad0[24];
-} xcb_get_pointer_mapping_reply_t;
-
-typedef enum xcb_map_index_t {
- XCB_MAP_INDEX_SHIFT = 0,
- XCB_MAP_INDEX_LOCK = 1,
- XCB_MAP_INDEX_CONTROL = 2,
- XCB_MAP_INDEX_1 = 3,
- XCB_MAP_INDEX_2 = 4,
- XCB_MAP_INDEX_3 = 5,
- XCB_MAP_INDEX_4 = 6,
- XCB_MAP_INDEX_5 = 7
-} xcb_map_index_t;
-
-typedef struct xcb_set_modifier_mapping_cookie_t {
- unsigned int sequence;
-} xcb_set_modifier_mapping_cookie_t;
-
-#define XCB_SET_MODIFIER_MAPPING 118
-
-typedef struct xcb_set_modifier_mapping_request_t {
- uint8_t major_opcode;
- uint8_t keycodes_per_modifier;
- uint16_t length;
-} xcb_set_modifier_mapping_request_t;
-
-typedef struct xcb_set_modifier_mapping_reply_t {
- uint8_t response_type;
- uint8_t status;
- uint16_t sequence;
- uint32_t length;
-} xcb_set_modifier_mapping_reply_t;
-
-typedef struct xcb_get_modifier_mapping_cookie_t {
- unsigned int sequence;
-} xcb_get_modifier_mapping_cookie_t;
-
-#define XCB_GET_MODIFIER_MAPPING 119
-
-typedef struct xcb_get_modifier_mapping_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_get_modifier_mapping_request_t;
-
-typedef struct xcb_get_modifier_mapping_reply_t {
- uint8_t response_type;
- uint8_t keycodes_per_modifier;
- uint16_t sequence;
- uint32_t length;
- uint8_t pad0[24];
-} xcb_get_modifier_mapping_reply_t;
-
-#define XCB_NO_OPERATION 127
-
-typedef struct xcb_no_operation_request_t {
- uint8_t major_opcode;
- uint8_t pad0;
- uint16_t length;
-} xcb_no_operation_request_t;
-
-void
-xcb_char2b_next (xcb_char2b_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_char2b_end (xcb_char2b_iterator_t i );
-
-void
-xcb_window_next (xcb_window_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_window_end (xcb_window_iterator_t i );
-
-void
-xcb_pixmap_next (xcb_pixmap_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_pixmap_end (xcb_pixmap_iterator_t i );
-
-void
-xcb_cursor_next (xcb_cursor_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_cursor_end (xcb_cursor_iterator_t i );
-
-void
-xcb_font_next (xcb_font_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_font_end (xcb_font_iterator_t i );
-
-void
-xcb_gcontext_next (xcb_gcontext_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_gcontext_end (xcb_gcontext_iterator_t i );
-
-void
-xcb_colormap_next (xcb_colormap_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_colormap_end (xcb_colormap_iterator_t i );
-
-void
-xcb_atom_next (xcb_atom_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_atom_end (xcb_atom_iterator_t i );
-
-void
-xcb_drawable_next (xcb_drawable_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_drawable_end (xcb_drawable_iterator_t i );
-
-void
-xcb_fontable_next (xcb_fontable_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_fontable_end (xcb_fontable_iterator_t i );
-
-void
-xcb_visualid_next (xcb_visualid_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_visualid_end (xcb_visualid_iterator_t i );
-
-void
-xcb_timestamp_next (xcb_timestamp_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_timestamp_end (xcb_timestamp_iterator_t i );
-
-void
-xcb_keysym_next (xcb_keysym_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_keysym_end (xcb_keysym_iterator_t i );
-
-void
-xcb_keycode_next (xcb_keycode_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_keycode_end (xcb_keycode_iterator_t i );
-
-void
-xcb_button_next (xcb_button_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_button_end (xcb_button_iterator_t i );
-
-void
-xcb_point_next (xcb_point_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_point_end (xcb_point_iterator_t i );
-
-void
-xcb_rectangle_next (xcb_rectangle_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_rectangle_end (xcb_rectangle_iterator_t i );
-
-void
-xcb_arc_next (xcb_arc_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_arc_end (xcb_arc_iterator_t i );
-
-void
-xcb_format_next (xcb_format_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_format_end (xcb_format_iterator_t i );
-
-void
-xcb_visualtype_next (xcb_visualtype_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_visualtype_end (xcb_visualtype_iterator_t i );
-
-int
-xcb_depth_sizeof (const void *_buffer );
-
-xcb_visualtype_t *
-xcb_depth_visuals (const xcb_depth_t *R );
-
-int
-xcb_depth_visuals_length (const xcb_depth_t *R );
-
-xcb_visualtype_iterator_t
-xcb_depth_visuals_iterator (const xcb_depth_t *R );
-
-void
-xcb_depth_next (xcb_depth_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_depth_end (xcb_depth_iterator_t i );
-
-int
-xcb_screen_sizeof (const void *_buffer );
-
-int
-xcb_screen_allowed_depths_length (const xcb_screen_t *R );
-
-xcb_depth_iterator_t
-xcb_screen_allowed_depths_iterator (const xcb_screen_t *R );
-
-void
-xcb_screen_next (xcb_screen_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_screen_end (xcb_screen_iterator_t i );
-
-int
-xcb_setup_request_sizeof (const void *_buffer );
-
-char *
-xcb_setup_request_authorization_protocol_name (const xcb_setup_request_t *R );
-
-int
-xcb_setup_request_authorization_protocol_name_length (const xcb_setup_request_t *R );
-
-xcb_generic_iterator_t
-xcb_setup_request_authorization_protocol_name_end (const xcb_setup_request_t *R );
-
-char *
-xcb_setup_request_authorization_protocol_data (const xcb_setup_request_t *R );
-
-int
-xcb_setup_request_authorization_protocol_data_length (const xcb_setup_request_t *R );
-
-xcb_generic_iterator_t
-xcb_setup_request_authorization_protocol_data_end (const xcb_setup_request_t *R );
-
-void
-xcb_setup_request_next (xcb_setup_request_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_setup_request_end (xcb_setup_request_iterator_t i );
-
-int
-xcb_setup_failed_sizeof (const void *_buffer );
-
-char *
-xcb_setup_failed_reason (const xcb_setup_failed_t *R );
-
-int
-xcb_setup_failed_reason_length (const xcb_setup_failed_t *R );
-
-xcb_generic_iterator_t
-xcb_setup_failed_reason_end (const xcb_setup_failed_t *R );
-
-void
-xcb_setup_failed_next (xcb_setup_failed_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_setup_failed_end (xcb_setup_failed_iterator_t i );
-
-int
-xcb_setup_authenticate_sizeof (const void *_buffer );
-
-char *
-xcb_setup_authenticate_reason (const xcb_setup_authenticate_t *R );
-
-int
-xcb_setup_authenticate_reason_length (const xcb_setup_authenticate_t *R );
-
-xcb_generic_iterator_t
-xcb_setup_authenticate_reason_end (const xcb_setup_authenticate_t *R );
-
-void
-xcb_setup_authenticate_next (xcb_setup_authenticate_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_setup_authenticate_end (xcb_setup_authenticate_iterator_t i );
-
-int
-xcb_setup_sizeof (const void *_buffer );
-
-char *
-xcb_setup_vendor (const xcb_setup_t *R );
-
-int
-xcb_setup_vendor_length (const xcb_setup_t *R );
-
-xcb_generic_iterator_t
-xcb_setup_vendor_end (const xcb_setup_t *R );
-
-xcb_format_t *
-xcb_setup_pixmap_formats (const xcb_setup_t *R );
-
-int
-xcb_setup_pixmap_formats_length (const xcb_setup_t *R );
-
-xcb_format_iterator_t
-xcb_setup_pixmap_formats_iterator (const xcb_setup_t *R );
-
-int
-xcb_setup_roots_length (const xcb_setup_t *R );
-
-xcb_screen_iterator_t
-xcb_setup_roots_iterator (const xcb_setup_t *R );
-
-void
-xcb_setup_next (xcb_setup_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_setup_end (xcb_setup_iterator_t i );
-
-void
-xcb_client_message_data_next (xcb_client_message_data_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_client_message_data_end (xcb_client_message_data_iterator_t i );
-
-int
-xcb_create_window_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_create_window_checked (xcb_connection_t *c ,
- uint8_t depth ,
- xcb_window_t wid ,
- xcb_window_t parent ,
- int16_t x ,
- int16_t y ,
- uint16_t width ,
- uint16_t height ,
- uint16_t border_width ,
- uint16_t _class ,
- xcb_visualid_t visual ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-xcb_void_cookie_t
-xcb_create_window (xcb_connection_t *c ,
- uint8_t depth ,
- xcb_window_t wid ,
- xcb_window_t parent ,
- int16_t x ,
- int16_t y ,
- uint16_t width ,
- uint16_t height ,
- uint16_t border_width ,
- uint16_t _class ,
- xcb_visualid_t visual ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-int
-xcb_change_window_attributes_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_change_window_attributes_checked (xcb_connection_t *c ,
- xcb_window_t window ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-xcb_void_cookie_t
-xcb_change_window_attributes (xcb_connection_t *c ,
- xcb_window_t window ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-xcb_get_window_attributes_cookie_t
-xcb_get_window_attributes (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_get_window_attributes_cookie_t
-xcb_get_window_attributes_unchecked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_get_window_attributes_reply_t *
-xcb_get_window_attributes_reply (xcb_connection_t *c ,
- xcb_get_window_attributes_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_destroy_window_checked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_destroy_window (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_destroy_subwindows_checked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_destroy_subwindows (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_change_save_set_checked (xcb_connection_t *c ,
- uint8_t mode ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_change_save_set (xcb_connection_t *c ,
- uint8_t mode ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_reparent_window_checked (xcb_connection_t *c ,
- xcb_window_t window ,
- xcb_window_t parent ,
- int16_t x ,
- int16_t y );
-
-xcb_void_cookie_t
-xcb_reparent_window (xcb_connection_t *c ,
- xcb_window_t window ,
- xcb_window_t parent ,
- int16_t x ,
- int16_t y );
-
-xcb_void_cookie_t
-xcb_map_window_checked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_map_window (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_map_subwindows_checked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_map_subwindows (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_unmap_window_checked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_unmap_window (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_unmap_subwindows_checked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_unmap_subwindows (xcb_connection_t *c ,
- xcb_window_t window );
-
-int
-xcb_configure_window_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_configure_window_checked (xcb_connection_t *c ,
- xcb_window_t window ,
- uint16_t value_mask ,
- const uint32_t *value_list );
-
-xcb_void_cookie_t
-xcb_configure_window (xcb_connection_t *c ,
- xcb_window_t window ,
- uint16_t value_mask ,
- const uint32_t *value_list );
-
-xcb_void_cookie_t
-xcb_circulate_window_checked (xcb_connection_t *c ,
- uint8_t direction ,
- xcb_window_t window );
-
-xcb_void_cookie_t
-xcb_circulate_window (xcb_connection_t *c ,
- uint8_t direction ,
- xcb_window_t window );
-
-xcb_get_geometry_cookie_t
-xcb_get_geometry (xcb_connection_t *c ,
- xcb_drawable_t drawable );
-
-xcb_get_geometry_cookie_t
-xcb_get_geometry_unchecked (xcb_connection_t *c ,
- xcb_drawable_t drawable );
-
-xcb_get_geometry_reply_t *
-xcb_get_geometry_reply (xcb_connection_t *c ,
- xcb_get_geometry_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_query_tree_sizeof (const void *_buffer );
-
-xcb_query_tree_cookie_t
-xcb_query_tree (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_query_tree_cookie_t
-xcb_query_tree_unchecked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_window_t *
-xcb_query_tree_children (const xcb_query_tree_reply_t *R );
-
-int
-xcb_query_tree_children_length (const xcb_query_tree_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_query_tree_children_end (const xcb_query_tree_reply_t *R );
-
-xcb_query_tree_reply_t *
-xcb_query_tree_reply (xcb_connection_t *c ,
- xcb_query_tree_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_intern_atom_sizeof (const void *_buffer );
-
-xcb_intern_atom_cookie_t
-xcb_intern_atom (xcb_connection_t *c ,
- uint8_t only_if_exists ,
- uint16_t name_len ,
- const char *name );
-
-xcb_intern_atom_cookie_t
-xcb_intern_atom_unchecked (xcb_connection_t *c ,
- uint8_t only_if_exists ,
- uint16_t name_len ,
- const char *name );
-
-xcb_intern_atom_reply_t *
-xcb_intern_atom_reply (xcb_connection_t *c ,
- xcb_intern_atom_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_get_atom_name_sizeof (const void *_buffer );
-
-xcb_get_atom_name_cookie_t
-xcb_get_atom_name (xcb_connection_t *c ,
- xcb_atom_t atom );
-
-xcb_get_atom_name_cookie_t
-xcb_get_atom_name_unchecked (xcb_connection_t *c ,
- xcb_atom_t atom );
-
-char *
-xcb_get_atom_name_name (const xcb_get_atom_name_reply_t *R );
-
-int
-xcb_get_atom_name_name_length (const xcb_get_atom_name_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_get_atom_name_name_end (const xcb_get_atom_name_reply_t *R );
-
-xcb_get_atom_name_reply_t *
-xcb_get_atom_name_reply (xcb_connection_t *c ,
- xcb_get_atom_name_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_change_property_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_change_property_checked (xcb_connection_t *c ,
- uint8_t mode ,
- xcb_window_t window ,
- xcb_atom_t property ,
- xcb_atom_t type ,
- uint8_t format ,
- uint32_t data_len ,
- const void *data );
-
-xcb_void_cookie_t
-xcb_change_property (xcb_connection_t *c ,
- uint8_t mode ,
- xcb_window_t window ,
- xcb_atom_t property ,
- xcb_atom_t type ,
- uint8_t format ,
- uint32_t data_len ,
- const void *data );
-
-xcb_void_cookie_t
-xcb_delete_property_checked (xcb_connection_t *c ,
- xcb_window_t window ,
- xcb_atom_t property );
-
-xcb_void_cookie_t
-xcb_delete_property (xcb_connection_t *c ,
- xcb_window_t window ,
- xcb_atom_t property );
-
-int
-xcb_get_property_sizeof (const void *_buffer );
-
-xcb_get_property_cookie_t
-xcb_get_property (xcb_connection_t *c ,
- uint8_t _delete ,
- xcb_window_t window ,
- xcb_atom_t property ,
- xcb_atom_t type ,
- uint32_t long_offset ,
- uint32_t long_length );
-
-xcb_get_property_cookie_t
-xcb_get_property_unchecked (xcb_connection_t *c ,
- uint8_t _delete ,
- xcb_window_t window ,
- xcb_atom_t property ,
- xcb_atom_t type ,
- uint32_t long_offset ,
- uint32_t long_length );
-
-void *
-xcb_get_property_value (const xcb_get_property_reply_t *R );
-
-int
-xcb_get_property_value_length (const xcb_get_property_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_get_property_value_end (const xcb_get_property_reply_t *R );
-
-xcb_get_property_reply_t *
-xcb_get_property_reply (xcb_connection_t *c ,
- xcb_get_property_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_list_properties_sizeof (const void *_buffer );
-
-xcb_list_properties_cookie_t
-xcb_list_properties (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_list_properties_cookie_t
-xcb_list_properties_unchecked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_atom_t *
-xcb_list_properties_atoms (const xcb_list_properties_reply_t *R );
-
-int
-xcb_list_properties_atoms_length (const xcb_list_properties_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_list_properties_atoms_end (const xcb_list_properties_reply_t *R );
-
-xcb_list_properties_reply_t *
-xcb_list_properties_reply (xcb_connection_t *c ,
- xcb_list_properties_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_set_selection_owner_checked (xcb_connection_t *c ,
- xcb_window_t owner ,
- xcb_atom_t selection ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_set_selection_owner (xcb_connection_t *c ,
- xcb_window_t owner ,
- xcb_atom_t selection ,
- xcb_timestamp_t time );
-
-xcb_get_selection_owner_cookie_t
-xcb_get_selection_owner (xcb_connection_t *c ,
- xcb_atom_t selection );
-
-xcb_get_selection_owner_cookie_t
-xcb_get_selection_owner_unchecked (xcb_connection_t *c ,
- xcb_atom_t selection );
-
-xcb_get_selection_owner_reply_t *
-xcb_get_selection_owner_reply (xcb_connection_t *c ,
- xcb_get_selection_owner_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_convert_selection_checked (xcb_connection_t *c ,
- xcb_window_t requestor ,
- xcb_atom_t selection ,
- xcb_atom_t target ,
- xcb_atom_t property ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_convert_selection (xcb_connection_t *c ,
- xcb_window_t requestor ,
- xcb_atom_t selection ,
- xcb_atom_t target ,
- xcb_atom_t property ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_send_event_checked (xcb_connection_t *c ,
- uint8_t propagate ,
- xcb_window_t destination ,
- uint32_t event_mask ,
- const char *event );
-
-xcb_void_cookie_t
-xcb_send_event (xcb_connection_t *c ,
- uint8_t propagate ,
- xcb_window_t destination ,
- uint32_t event_mask ,
- const char *event );
-
-xcb_grab_pointer_cookie_t
-xcb_grab_pointer (xcb_connection_t *c ,
- uint8_t owner_events ,
- xcb_window_t grab_window ,
- uint16_t event_mask ,
- uint8_t pointer_mode ,
- uint8_t keyboard_mode ,
- xcb_window_t confine_to ,
- xcb_cursor_t cursor ,
- xcb_timestamp_t time );
-
-xcb_grab_pointer_cookie_t
-xcb_grab_pointer_unchecked (xcb_connection_t *c ,
- uint8_t owner_events ,
- xcb_window_t grab_window ,
- uint16_t event_mask ,
- uint8_t pointer_mode ,
- uint8_t keyboard_mode ,
- xcb_window_t confine_to ,
- xcb_cursor_t cursor ,
- xcb_timestamp_t time );
-
-xcb_grab_pointer_reply_t *
-xcb_grab_pointer_reply (xcb_connection_t *c ,
- xcb_grab_pointer_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_ungrab_pointer_checked (xcb_connection_t *c ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_ungrab_pointer (xcb_connection_t *c ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_grab_button_checked (xcb_connection_t *c ,
- uint8_t owner_events ,
- xcb_window_t grab_window ,
- uint16_t event_mask ,
- uint8_t pointer_mode ,
- uint8_t keyboard_mode ,
- xcb_window_t confine_to ,
- xcb_cursor_t cursor ,
- uint8_t button ,
- uint16_t modifiers );
-
-xcb_void_cookie_t
-xcb_grab_button (xcb_connection_t *c ,
- uint8_t owner_events ,
- xcb_window_t grab_window ,
- uint16_t event_mask ,
- uint8_t pointer_mode ,
- uint8_t keyboard_mode ,
- xcb_window_t confine_to ,
- xcb_cursor_t cursor ,
- uint8_t button ,
- uint16_t modifiers );
-
-xcb_void_cookie_t
-xcb_ungrab_button_checked (xcb_connection_t *c ,
- uint8_t button ,
- xcb_window_t grab_window ,
- uint16_t modifiers );
-
-xcb_void_cookie_t
-xcb_ungrab_button (xcb_connection_t *c ,
- uint8_t button ,
- xcb_window_t grab_window ,
- uint16_t modifiers );
-
-xcb_void_cookie_t
-xcb_change_active_pointer_grab_checked (xcb_connection_t *c ,
- xcb_cursor_t cursor ,
- xcb_timestamp_t time ,
- uint16_t event_mask );
-
-xcb_void_cookie_t
-xcb_change_active_pointer_grab (xcb_connection_t *c ,
- xcb_cursor_t cursor ,
- xcb_timestamp_t time ,
- uint16_t event_mask );
-
-xcb_grab_keyboard_cookie_t
-xcb_grab_keyboard (xcb_connection_t *c ,
- uint8_t owner_events ,
- xcb_window_t grab_window ,
- xcb_timestamp_t time ,
- uint8_t pointer_mode ,
- uint8_t keyboard_mode );
-
-xcb_grab_keyboard_cookie_t
-xcb_grab_keyboard_unchecked (xcb_connection_t *c ,
- uint8_t owner_events ,
- xcb_window_t grab_window ,
- xcb_timestamp_t time ,
- uint8_t pointer_mode ,
- uint8_t keyboard_mode );
-
-xcb_grab_keyboard_reply_t *
-xcb_grab_keyboard_reply (xcb_connection_t *c ,
- xcb_grab_keyboard_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_ungrab_keyboard_checked (xcb_connection_t *c ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_ungrab_keyboard (xcb_connection_t *c ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_grab_key_checked (xcb_connection_t *c ,
- uint8_t owner_events ,
- xcb_window_t grab_window ,
- uint16_t modifiers ,
- xcb_keycode_t key ,
- uint8_t pointer_mode ,
- uint8_t keyboard_mode );
-
-xcb_void_cookie_t
-xcb_grab_key (xcb_connection_t *c ,
- uint8_t owner_events ,
- xcb_window_t grab_window ,
- uint16_t modifiers ,
- xcb_keycode_t key ,
- uint8_t pointer_mode ,
- uint8_t keyboard_mode );
-
-xcb_void_cookie_t
-xcb_ungrab_key_checked (xcb_connection_t *c ,
- xcb_keycode_t key ,
- xcb_window_t grab_window ,
- uint16_t modifiers );
-
-xcb_void_cookie_t
-xcb_ungrab_key (xcb_connection_t *c ,
- xcb_keycode_t key ,
- xcb_window_t grab_window ,
- uint16_t modifiers );
-
-xcb_void_cookie_t
-xcb_allow_events_checked (xcb_connection_t *c ,
- uint8_t mode ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_allow_events (xcb_connection_t *c ,
- uint8_t mode ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_grab_server_checked (xcb_connection_t *c );
-
-xcb_void_cookie_t
-xcb_grab_server (xcb_connection_t *c );
-
-xcb_void_cookie_t
-xcb_ungrab_server_checked (xcb_connection_t *c );
-
-xcb_void_cookie_t
-xcb_ungrab_server (xcb_connection_t *c );
-
-xcb_query_pointer_cookie_t
-xcb_query_pointer (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_query_pointer_cookie_t
-xcb_query_pointer_unchecked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_query_pointer_reply_t *
-xcb_query_pointer_reply (xcb_connection_t *c ,
- xcb_query_pointer_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-void
-xcb_timecoord_next (xcb_timecoord_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_timecoord_end (xcb_timecoord_iterator_t i );
-
-int
-xcb_get_motion_events_sizeof (const void *_buffer );
-
-xcb_get_motion_events_cookie_t
-xcb_get_motion_events (xcb_connection_t *c ,
- xcb_window_t window ,
- xcb_timestamp_t start ,
- xcb_timestamp_t stop );
-
-xcb_get_motion_events_cookie_t
-xcb_get_motion_events_unchecked (xcb_connection_t *c ,
- xcb_window_t window ,
- xcb_timestamp_t start ,
- xcb_timestamp_t stop );
-
-xcb_timecoord_t *
-xcb_get_motion_events_events (const xcb_get_motion_events_reply_t *R );
-
-int
-xcb_get_motion_events_events_length (const xcb_get_motion_events_reply_t *R );
-
-xcb_timecoord_iterator_t
-xcb_get_motion_events_events_iterator (const xcb_get_motion_events_reply_t *R );
-
-xcb_get_motion_events_reply_t *
-xcb_get_motion_events_reply (xcb_connection_t *c ,
- xcb_get_motion_events_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_translate_coordinates_cookie_t
-xcb_translate_coordinates (xcb_connection_t *c ,
- xcb_window_t src_window ,
- xcb_window_t dst_window ,
- int16_t src_x ,
- int16_t src_y );
-
-xcb_translate_coordinates_cookie_t
-xcb_translate_coordinates_unchecked (xcb_connection_t *c ,
- xcb_window_t src_window ,
- xcb_window_t dst_window ,
- int16_t src_x ,
- int16_t src_y );
-
-xcb_translate_coordinates_reply_t *
-xcb_translate_coordinates_reply (xcb_connection_t *c ,
- xcb_translate_coordinates_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_warp_pointer_checked (xcb_connection_t *c ,
- xcb_window_t src_window ,
- xcb_window_t dst_window ,
- int16_t src_x ,
- int16_t src_y ,
- uint16_t src_width ,
- uint16_t src_height ,
- int16_t dst_x ,
- int16_t dst_y );
-
-xcb_void_cookie_t
-xcb_warp_pointer (xcb_connection_t *c ,
- xcb_window_t src_window ,
- xcb_window_t dst_window ,
- int16_t src_x ,
- int16_t src_y ,
- uint16_t src_width ,
- uint16_t src_height ,
- int16_t dst_x ,
- int16_t dst_y );
-
-xcb_void_cookie_t
-xcb_set_input_focus_checked (xcb_connection_t *c ,
- uint8_t revert_to ,
- xcb_window_t focus ,
- xcb_timestamp_t time );
-
-xcb_void_cookie_t
-xcb_set_input_focus (xcb_connection_t *c ,
- uint8_t revert_to ,
- xcb_window_t focus ,
- xcb_timestamp_t time );
-
-xcb_get_input_focus_cookie_t
-xcb_get_input_focus (xcb_connection_t *c );
-
-xcb_get_input_focus_cookie_t
-xcb_get_input_focus_unchecked (xcb_connection_t *c );
-
-xcb_get_input_focus_reply_t *
-xcb_get_input_focus_reply (xcb_connection_t *c ,
- xcb_get_input_focus_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_query_keymap_cookie_t
-xcb_query_keymap (xcb_connection_t *c );
-
-xcb_query_keymap_cookie_t
-xcb_query_keymap_unchecked (xcb_connection_t *c );
-
-xcb_query_keymap_reply_t *
-xcb_query_keymap_reply (xcb_connection_t *c ,
- xcb_query_keymap_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_open_font_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_open_font_checked (xcb_connection_t *c ,
- xcb_font_t fid ,
- uint16_t name_len ,
- const char *name );
-
-xcb_void_cookie_t
-xcb_open_font (xcb_connection_t *c ,
- xcb_font_t fid ,
- uint16_t name_len ,
- const char *name );
-
-xcb_void_cookie_t
-xcb_close_font_checked (xcb_connection_t *c ,
- xcb_font_t font );
-
-xcb_void_cookie_t
-xcb_close_font (xcb_connection_t *c ,
- xcb_font_t font );
-
-void
-xcb_fontprop_next (xcb_fontprop_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_fontprop_end (xcb_fontprop_iterator_t i );
-
-void
-xcb_charinfo_next (xcb_charinfo_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_charinfo_end (xcb_charinfo_iterator_t i );
-
-int
-xcb_query_font_sizeof (const void *_buffer );
-
-xcb_query_font_cookie_t
-xcb_query_font (xcb_connection_t *c ,
- xcb_fontable_t font );
-
-xcb_query_font_cookie_t
-xcb_query_font_unchecked (xcb_connection_t *c ,
- xcb_fontable_t font );
-
-xcb_fontprop_t *
-xcb_query_font_properties (const xcb_query_font_reply_t *R );
-
-int
-xcb_query_font_properties_length (const xcb_query_font_reply_t *R );
-
-xcb_fontprop_iterator_t
-xcb_query_font_properties_iterator (const xcb_query_font_reply_t *R );
-
-xcb_charinfo_t *
-xcb_query_font_char_infos (const xcb_query_font_reply_t *R );
-
-int
-xcb_query_font_char_infos_length (const xcb_query_font_reply_t *R );
-
-xcb_charinfo_iterator_t
-xcb_query_font_char_infos_iterator (const xcb_query_font_reply_t *R );
-
-xcb_query_font_reply_t *
-xcb_query_font_reply (xcb_connection_t *c ,
- xcb_query_font_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_query_text_extents_sizeof (const void *_buffer ,
- uint32_t string_len );
-
-xcb_query_text_extents_cookie_t
-xcb_query_text_extents (xcb_connection_t *c ,
- xcb_fontable_t font ,
- uint32_t string_len ,
- const xcb_char2b_t *string );
-
-xcb_query_text_extents_cookie_t
-xcb_query_text_extents_unchecked (xcb_connection_t *c ,
- xcb_fontable_t font ,
- uint32_t string_len ,
- const xcb_char2b_t *string );
-
-xcb_query_text_extents_reply_t *
-xcb_query_text_extents_reply (xcb_connection_t *c ,
- xcb_query_text_extents_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_str_sizeof (const void *_buffer );
-
-char *
-xcb_str_name (const xcb_str_t *R );
-
-int
-xcb_str_name_length (const xcb_str_t *R );
-
-xcb_generic_iterator_t
-xcb_str_name_end (const xcb_str_t *R );
-
-void
-xcb_str_next (xcb_str_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_str_end (xcb_str_iterator_t i );
-
-int
-xcb_list_fonts_sizeof (const void *_buffer );
-
-xcb_list_fonts_cookie_t
-xcb_list_fonts (xcb_connection_t *c ,
- uint16_t max_names ,
- uint16_t pattern_len ,
- const char *pattern );
-
-xcb_list_fonts_cookie_t
-xcb_list_fonts_unchecked (xcb_connection_t *c ,
- uint16_t max_names ,
- uint16_t pattern_len ,
- const char *pattern );
-
-int
-xcb_list_fonts_names_length (const xcb_list_fonts_reply_t *R );
-
-xcb_str_iterator_t
-xcb_list_fonts_names_iterator (const xcb_list_fonts_reply_t *R );
-
-xcb_list_fonts_reply_t *
-xcb_list_fonts_reply (xcb_connection_t *c ,
- xcb_list_fonts_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_list_fonts_with_info_sizeof (const void *_buffer );
-
-xcb_list_fonts_with_info_cookie_t
-xcb_list_fonts_with_info (xcb_connection_t *c ,
- uint16_t max_names ,
- uint16_t pattern_len ,
- const char *pattern );
-
-xcb_list_fonts_with_info_cookie_t
-xcb_list_fonts_with_info_unchecked (xcb_connection_t *c ,
- uint16_t max_names ,
- uint16_t pattern_len ,
- const char *pattern );
-
-xcb_fontprop_t *
-xcb_list_fonts_with_info_properties (const xcb_list_fonts_with_info_reply_t *R );
-
-int
-xcb_list_fonts_with_info_properties_length (const xcb_list_fonts_with_info_reply_t *R );
-
-xcb_fontprop_iterator_t
-xcb_list_fonts_with_info_properties_iterator (const xcb_list_fonts_with_info_reply_t *R );
-
-char *
-xcb_list_fonts_with_info_name (const xcb_list_fonts_with_info_reply_t *R );
-
-int
-xcb_list_fonts_with_info_name_length (const xcb_list_fonts_with_info_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_list_fonts_with_info_name_end (const xcb_list_fonts_with_info_reply_t *R );
-
-xcb_list_fonts_with_info_reply_t *
-xcb_list_fonts_with_info_reply (xcb_connection_t *c ,
- xcb_list_fonts_with_info_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_set_font_path_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_set_font_path_checked (xcb_connection_t *c ,
- uint16_t font_qty ,
- const xcb_str_t *font );
-
-xcb_void_cookie_t
-xcb_set_font_path (xcb_connection_t *c ,
- uint16_t font_qty ,
- const xcb_str_t *font );
-
-int
-xcb_get_font_path_sizeof (const void *_buffer );
-
-xcb_get_font_path_cookie_t
-xcb_get_font_path (xcb_connection_t *c );
-
-xcb_get_font_path_cookie_t
-xcb_get_font_path_unchecked (xcb_connection_t *c );
-
-int
-xcb_get_font_path_path_length (const xcb_get_font_path_reply_t *R );
-
-xcb_str_iterator_t
-xcb_get_font_path_path_iterator (const xcb_get_font_path_reply_t *R );
-
-xcb_get_font_path_reply_t *
-xcb_get_font_path_reply (xcb_connection_t *c ,
- xcb_get_font_path_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_create_pixmap_checked (xcb_connection_t *c ,
- uint8_t depth ,
- xcb_pixmap_t pid ,
- xcb_drawable_t drawable ,
- uint16_t width ,
- uint16_t height );
-
-xcb_void_cookie_t
-xcb_create_pixmap (xcb_connection_t *c ,
- uint8_t depth ,
- xcb_pixmap_t pid ,
- xcb_drawable_t drawable ,
- uint16_t width ,
- uint16_t height );
-
-xcb_void_cookie_t
-xcb_free_pixmap_checked (xcb_connection_t *c ,
- xcb_pixmap_t pixmap );
-
-xcb_void_cookie_t
-xcb_free_pixmap (xcb_connection_t *c ,
- xcb_pixmap_t pixmap );
-
-int
-xcb_create_gc_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_create_gc_checked (xcb_connection_t *c ,
- xcb_gcontext_t cid ,
- xcb_drawable_t drawable ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-xcb_void_cookie_t
-xcb_create_gc (xcb_connection_t *c ,
- xcb_gcontext_t cid ,
- xcb_drawable_t drawable ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-int
-xcb_change_gc_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_change_gc_checked (xcb_connection_t *c ,
- xcb_gcontext_t gc ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-xcb_void_cookie_t
-xcb_change_gc (xcb_connection_t *c ,
- xcb_gcontext_t gc ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-xcb_void_cookie_t
-xcb_copy_gc_checked (xcb_connection_t *c ,
- xcb_gcontext_t src_gc ,
- xcb_gcontext_t dst_gc ,
- uint32_t value_mask );
-
-xcb_void_cookie_t
-xcb_copy_gc (xcb_connection_t *c ,
- xcb_gcontext_t src_gc ,
- xcb_gcontext_t dst_gc ,
- uint32_t value_mask );
-
-int
-xcb_set_dashes_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_set_dashes_checked (xcb_connection_t *c ,
- xcb_gcontext_t gc ,
- uint16_t dash_offset ,
- uint16_t dashes_len ,
- const uint8_t *dashes );
-
-xcb_void_cookie_t
-xcb_set_dashes (xcb_connection_t *c ,
- xcb_gcontext_t gc ,
- uint16_t dash_offset ,
- uint16_t dashes_len ,
- const uint8_t *dashes );
-
-int
-xcb_set_clip_rectangles_sizeof (const void *_buffer ,
- uint32_t rectangles_len );
-
-xcb_void_cookie_t
-xcb_set_clip_rectangles_checked (xcb_connection_t *c ,
- uint8_t ordering ,
- xcb_gcontext_t gc ,
- int16_t clip_x_origin ,
- int16_t clip_y_origin ,
- uint32_t rectangles_len ,
- const xcb_rectangle_t *rectangles );
-
-xcb_void_cookie_t
-xcb_set_clip_rectangles (xcb_connection_t *c ,
- uint8_t ordering ,
- xcb_gcontext_t gc ,
- int16_t clip_x_origin ,
- int16_t clip_y_origin ,
- uint32_t rectangles_len ,
- const xcb_rectangle_t *rectangles );
-
-xcb_void_cookie_t
-xcb_free_gc_checked (xcb_connection_t *c ,
- xcb_gcontext_t gc );
-
-xcb_void_cookie_t
-xcb_free_gc (xcb_connection_t *c ,
- xcb_gcontext_t gc );
-
-xcb_void_cookie_t
-xcb_clear_area_checked (xcb_connection_t *c ,
- uint8_t exposures ,
- xcb_window_t window ,
- int16_t x ,
- int16_t y ,
- uint16_t width ,
- uint16_t height );
-
-xcb_void_cookie_t
-xcb_clear_area (xcb_connection_t *c ,
- uint8_t exposures ,
- xcb_window_t window ,
- int16_t x ,
- int16_t y ,
- uint16_t width ,
- uint16_t height );
-
-xcb_void_cookie_t
-xcb_copy_area_checked (xcb_connection_t *c ,
- xcb_drawable_t src_drawable ,
- xcb_drawable_t dst_drawable ,
- xcb_gcontext_t gc ,
- int16_t src_x ,
- int16_t src_y ,
- int16_t dst_x ,
- int16_t dst_y ,
- uint16_t width ,
- uint16_t height );
-
-xcb_void_cookie_t
-xcb_copy_area (xcb_connection_t *c ,
- xcb_drawable_t src_drawable ,
- xcb_drawable_t dst_drawable ,
- xcb_gcontext_t gc ,
- int16_t src_x ,
- int16_t src_y ,
- int16_t dst_x ,
- int16_t dst_y ,
- uint16_t width ,
- uint16_t height );
-
-xcb_void_cookie_t
-xcb_copy_plane_checked (xcb_connection_t *c ,
- xcb_drawable_t src_drawable ,
- xcb_drawable_t dst_drawable ,
- xcb_gcontext_t gc ,
- int16_t src_x ,
- int16_t src_y ,
- int16_t dst_x ,
- int16_t dst_y ,
- uint16_t width ,
- uint16_t height ,
- uint32_t bit_plane );
-
-xcb_void_cookie_t
-xcb_copy_plane (xcb_connection_t *c ,
- xcb_drawable_t src_drawable ,
- xcb_drawable_t dst_drawable ,
- xcb_gcontext_t gc ,
- int16_t src_x ,
- int16_t src_y ,
- int16_t dst_x ,
- int16_t dst_y ,
- uint16_t width ,
- uint16_t height ,
- uint32_t bit_plane );
-
-int
-xcb_poly_point_sizeof (const void *_buffer ,
- uint32_t points_len );
-
-xcb_void_cookie_t
-xcb_poly_point_checked (xcb_connection_t *c ,
- uint8_t coordinate_mode ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t points_len ,
- const xcb_point_t *points );
-
-xcb_void_cookie_t
-xcb_poly_point (xcb_connection_t *c ,
- uint8_t coordinate_mode ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t points_len ,
- const xcb_point_t *points );
-
-int
-xcb_poly_line_sizeof (const void *_buffer ,
- uint32_t points_len );
-
-xcb_void_cookie_t
-xcb_poly_line_checked (xcb_connection_t *c ,
- uint8_t coordinate_mode ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t points_len ,
- const xcb_point_t *points );
-
-xcb_void_cookie_t
-xcb_poly_line (xcb_connection_t *c ,
- uint8_t coordinate_mode ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t points_len ,
- const xcb_point_t *points );
-
-void
-xcb_segment_next (xcb_segment_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_segment_end (xcb_segment_iterator_t i );
-
-int
-xcb_poly_segment_sizeof (const void *_buffer ,
- uint32_t segments_len );
-
-xcb_void_cookie_t
-xcb_poly_segment_checked (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t segments_len ,
- const xcb_segment_t *segments );
-
-xcb_void_cookie_t
-xcb_poly_segment (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t segments_len ,
- const xcb_segment_t *segments );
-
-int
-xcb_poly_rectangle_sizeof (const void *_buffer ,
- uint32_t rectangles_len );
-
-xcb_void_cookie_t
-xcb_poly_rectangle_checked (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t rectangles_len ,
- const xcb_rectangle_t *rectangles );
-
-xcb_void_cookie_t
-xcb_poly_rectangle (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t rectangles_len ,
- const xcb_rectangle_t *rectangles );
-
-int
-xcb_poly_arc_sizeof (const void *_buffer ,
- uint32_t arcs_len );
-
-xcb_void_cookie_t
-xcb_poly_arc_checked (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t arcs_len ,
- const xcb_arc_t *arcs );
-
-xcb_void_cookie_t
-xcb_poly_arc (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t arcs_len ,
- const xcb_arc_t *arcs );
-
-int
-xcb_fill_poly_sizeof (const void *_buffer ,
- uint32_t points_len );
-
-xcb_void_cookie_t
-xcb_fill_poly_checked (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint8_t shape ,
- uint8_t coordinate_mode ,
- uint32_t points_len ,
- const xcb_point_t *points );
-
-xcb_void_cookie_t
-xcb_fill_poly (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint8_t shape ,
- uint8_t coordinate_mode ,
- uint32_t points_len ,
- const xcb_point_t *points );
-
-int
-xcb_poly_fill_rectangle_sizeof (const void *_buffer ,
- uint32_t rectangles_len );
-
-xcb_void_cookie_t
-xcb_poly_fill_rectangle_checked (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t rectangles_len ,
- const xcb_rectangle_t *rectangles );
-
-xcb_void_cookie_t
-xcb_poly_fill_rectangle (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t rectangles_len ,
- const xcb_rectangle_t *rectangles );
-
-int
-xcb_poly_fill_arc_sizeof (const void *_buffer ,
- uint32_t arcs_len );
-
-xcb_void_cookie_t
-xcb_poly_fill_arc_checked (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t arcs_len ,
- const xcb_arc_t *arcs );
-
-xcb_void_cookie_t
-xcb_poly_fill_arc (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint32_t arcs_len ,
- const xcb_arc_t *arcs );
-
-int
-xcb_put_image_sizeof (const void *_buffer ,
- uint32_t data_len );
-
-xcb_void_cookie_t
-xcb_put_image_checked (xcb_connection_t *c ,
- uint8_t format ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint16_t width ,
- uint16_t height ,
- int16_t dst_x ,
- int16_t dst_y ,
- uint8_t left_pad ,
- uint8_t depth ,
- uint32_t data_len ,
- const uint8_t *data );
-
-xcb_void_cookie_t
-xcb_put_image (xcb_connection_t *c ,
- uint8_t format ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- uint16_t width ,
- uint16_t height ,
- int16_t dst_x ,
- int16_t dst_y ,
- uint8_t left_pad ,
- uint8_t depth ,
- uint32_t data_len ,
- const uint8_t *data );
-
-int
-xcb_get_image_sizeof (const void *_buffer );
-
-xcb_get_image_cookie_t
-xcb_get_image (xcb_connection_t *c ,
- uint8_t format ,
- xcb_drawable_t drawable ,
- int16_t x ,
- int16_t y ,
- uint16_t width ,
- uint16_t height ,
- uint32_t plane_mask );
-
-xcb_get_image_cookie_t
-xcb_get_image_unchecked (xcb_connection_t *c ,
- uint8_t format ,
- xcb_drawable_t drawable ,
- int16_t x ,
- int16_t y ,
- uint16_t width ,
- uint16_t height ,
- uint32_t plane_mask );
-
-uint8_t *
-xcb_get_image_data (const xcb_get_image_reply_t *R );
-
-int
-xcb_get_image_data_length (const xcb_get_image_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_get_image_data_end (const xcb_get_image_reply_t *R );
-
-xcb_get_image_reply_t *
-xcb_get_image_reply (xcb_connection_t *c ,
- xcb_get_image_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_poly_text_8_sizeof (const void *_buffer ,
- uint32_t items_len );
-
-xcb_void_cookie_t
-xcb_poly_text_8_checked (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- int16_t x ,
- int16_t y ,
- uint32_t items_len ,
- const uint8_t *items );
-
-xcb_void_cookie_t
-xcb_poly_text_8 (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- int16_t x ,
- int16_t y ,
- uint32_t items_len ,
- const uint8_t *items );
-
-int
-xcb_poly_text_16_sizeof (const void *_buffer ,
- uint32_t items_len );
-
-xcb_void_cookie_t
-xcb_poly_text_16_checked (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- int16_t x ,
- int16_t y ,
- uint32_t items_len ,
- const uint8_t *items );
-
-xcb_void_cookie_t
-xcb_poly_text_16 (xcb_connection_t *c ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- int16_t x ,
- int16_t y ,
- uint32_t items_len ,
- const uint8_t *items );
-
-int
-xcb_image_text_8_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_image_text_8_checked (xcb_connection_t *c ,
- uint8_t string_len ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- int16_t x ,
- int16_t y ,
- const char *string );
-
-xcb_void_cookie_t
-xcb_image_text_8 (xcb_connection_t *c ,
- uint8_t string_len ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- int16_t x ,
- int16_t y ,
- const char *string );
-
-int
-xcb_image_text_16_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_image_text_16_checked (xcb_connection_t *c ,
- uint8_t string_len ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- int16_t x ,
- int16_t y ,
- const xcb_char2b_t *string );
-
-xcb_void_cookie_t
-xcb_image_text_16 (xcb_connection_t *c ,
- uint8_t string_len ,
- xcb_drawable_t drawable ,
- xcb_gcontext_t gc ,
- int16_t x ,
- int16_t y ,
- const xcb_char2b_t *string );
-
-xcb_void_cookie_t
-xcb_create_colormap_checked (xcb_connection_t *c ,
- uint8_t alloc ,
- xcb_colormap_t mid ,
- xcb_window_t window ,
- xcb_visualid_t visual );
-
-xcb_void_cookie_t
-xcb_create_colormap (xcb_connection_t *c ,
- uint8_t alloc ,
- xcb_colormap_t mid ,
- xcb_window_t window ,
- xcb_visualid_t visual );
-
-xcb_void_cookie_t
-xcb_free_colormap_checked (xcb_connection_t *c ,
- xcb_colormap_t cmap );
-
-xcb_void_cookie_t
-xcb_free_colormap (xcb_connection_t *c ,
- xcb_colormap_t cmap );
-
-xcb_void_cookie_t
-xcb_copy_colormap_and_free_checked (xcb_connection_t *c ,
- xcb_colormap_t mid ,
- xcb_colormap_t src_cmap );
-
-xcb_void_cookie_t
-xcb_copy_colormap_and_free (xcb_connection_t *c ,
- xcb_colormap_t mid ,
- xcb_colormap_t src_cmap );
-
-xcb_void_cookie_t
-xcb_install_colormap_checked (xcb_connection_t *c ,
- xcb_colormap_t cmap );
-
-xcb_void_cookie_t
-xcb_install_colormap (xcb_connection_t *c ,
- xcb_colormap_t cmap );
-
-xcb_void_cookie_t
-xcb_uninstall_colormap_checked (xcb_connection_t *c ,
- xcb_colormap_t cmap );
-
-xcb_void_cookie_t
-xcb_uninstall_colormap (xcb_connection_t *c ,
- xcb_colormap_t cmap );
-
-int
-xcb_list_installed_colormaps_sizeof (const void *_buffer );
-
-xcb_list_installed_colormaps_cookie_t
-xcb_list_installed_colormaps (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_list_installed_colormaps_cookie_t
-xcb_list_installed_colormaps_unchecked (xcb_connection_t *c ,
- xcb_window_t window );
-
-xcb_colormap_t *
-xcb_list_installed_colormaps_cmaps (const xcb_list_installed_colormaps_reply_t *R );
-
-int
-xcb_list_installed_colormaps_cmaps_length (const xcb_list_installed_colormaps_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_list_installed_colormaps_cmaps_end (const xcb_list_installed_colormaps_reply_t *R );
-
-xcb_list_installed_colormaps_reply_t *
-xcb_list_installed_colormaps_reply (xcb_connection_t *c ,
- xcb_list_installed_colormaps_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_alloc_color_cookie_t
-xcb_alloc_color (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint16_t red ,
- uint16_t green ,
- uint16_t blue );
-
-xcb_alloc_color_cookie_t
-xcb_alloc_color_unchecked (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint16_t red ,
- uint16_t green ,
- uint16_t blue );
-
-xcb_alloc_color_reply_t *
-xcb_alloc_color_reply (xcb_connection_t *c ,
- xcb_alloc_color_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_alloc_named_color_sizeof (const void *_buffer );
-
-xcb_alloc_named_color_cookie_t
-xcb_alloc_named_color (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint16_t name_len ,
- const char *name );
-
-xcb_alloc_named_color_cookie_t
-xcb_alloc_named_color_unchecked (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint16_t name_len ,
- const char *name );
-
-xcb_alloc_named_color_reply_t *
-xcb_alloc_named_color_reply (xcb_connection_t *c ,
- xcb_alloc_named_color_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_alloc_color_cells_sizeof (const void *_buffer );
-
-xcb_alloc_color_cells_cookie_t
-xcb_alloc_color_cells (xcb_connection_t *c ,
- uint8_t contiguous ,
- xcb_colormap_t cmap ,
- uint16_t colors ,
- uint16_t planes );
-
-xcb_alloc_color_cells_cookie_t
-xcb_alloc_color_cells_unchecked (xcb_connection_t *c ,
- uint8_t contiguous ,
- xcb_colormap_t cmap ,
- uint16_t colors ,
- uint16_t planes );
-
-uint32_t *
-xcb_alloc_color_cells_pixels (const xcb_alloc_color_cells_reply_t *R );
-
-int
-xcb_alloc_color_cells_pixels_length (const xcb_alloc_color_cells_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_alloc_color_cells_pixels_end (const xcb_alloc_color_cells_reply_t *R );
-
-uint32_t *
-xcb_alloc_color_cells_masks (const xcb_alloc_color_cells_reply_t *R );
-
-int
-xcb_alloc_color_cells_masks_length (const xcb_alloc_color_cells_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_alloc_color_cells_masks_end (const xcb_alloc_color_cells_reply_t *R );
-
-xcb_alloc_color_cells_reply_t *
-xcb_alloc_color_cells_reply (xcb_connection_t *c ,
- xcb_alloc_color_cells_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_alloc_color_planes_sizeof (const void *_buffer );
-
-xcb_alloc_color_planes_cookie_t
-xcb_alloc_color_planes (xcb_connection_t *c ,
- uint8_t contiguous ,
- xcb_colormap_t cmap ,
- uint16_t colors ,
- uint16_t reds ,
- uint16_t greens ,
- uint16_t blues );
-
-xcb_alloc_color_planes_cookie_t
-xcb_alloc_color_planes_unchecked (xcb_connection_t *c ,
- uint8_t contiguous ,
- xcb_colormap_t cmap ,
- uint16_t colors ,
- uint16_t reds ,
- uint16_t greens ,
- uint16_t blues );
-
-uint32_t *
-xcb_alloc_color_planes_pixels (const xcb_alloc_color_planes_reply_t *R );
-
-int
-xcb_alloc_color_planes_pixels_length (const xcb_alloc_color_planes_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_alloc_color_planes_pixels_end (const xcb_alloc_color_planes_reply_t *R );
-
-xcb_alloc_color_planes_reply_t *
-xcb_alloc_color_planes_reply (xcb_connection_t *c ,
- xcb_alloc_color_planes_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_free_colors_sizeof (const void *_buffer ,
- uint32_t pixels_len );
-
-xcb_void_cookie_t
-xcb_free_colors_checked (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint32_t plane_mask ,
- uint32_t pixels_len ,
- const uint32_t *pixels );
-
-xcb_void_cookie_t
-xcb_free_colors (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint32_t plane_mask ,
- uint32_t pixels_len ,
- const uint32_t *pixels );
-
-void
-xcb_coloritem_next (xcb_coloritem_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_coloritem_end (xcb_coloritem_iterator_t i );
-
-int
-xcb_store_colors_sizeof (const void *_buffer ,
- uint32_t items_len );
-
-xcb_void_cookie_t
-xcb_store_colors_checked (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint32_t items_len ,
- const xcb_coloritem_t *items );
-
-xcb_void_cookie_t
-xcb_store_colors (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint32_t items_len ,
- const xcb_coloritem_t *items );
-
-int
-xcb_store_named_color_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_store_named_color_checked (xcb_connection_t *c ,
- uint8_t flags ,
- xcb_colormap_t cmap ,
- uint32_t pixel ,
- uint16_t name_len ,
- const char *name );
-
-xcb_void_cookie_t
-xcb_store_named_color (xcb_connection_t *c ,
- uint8_t flags ,
- xcb_colormap_t cmap ,
- uint32_t pixel ,
- uint16_t name_len ,
- const char *name );
-
-void
-xcb_rgb_next (xcb_rgb_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_rgb_end (xcb_rgb_iterator_t i );
-
-int
-xcb_query_colors_sizeof (const void *_buffer ,
- uint32_t pixels_len );
-
-xcb_query_colors_cookie_t
-xcb_query_colors (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint32_t pixels_len ,
- const uint32_t *pixels );
-
-xcb_query_colors_cookie_t
-xcb_query_colors_unchecked (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint32_t pixels_len ,
- const uint32_t *pixels );
-
-xcb_rgb_t *
-xcb_query_colors_colors (const xcb_query_colors_reply_t *R );
-
-int
-xcb_query_colors_colors_length (const xcb_query_colors_reply_t *R );
-
-xcb_rgb_iterator_t
-xcb_query_colors_colors_iterator (const xcb_query_colors_reply_t *R );
-
-xcb_query_colors_reply_t *
-xcb_query_colors_reply (xcb_connection_t *c ,
- xcb_query_colors_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_lookup_color_sizeof (const void *_buffer );
-
-xcb_lookup_color_cookie_t
-xcb_lookup_color (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint16_t name_len ,
- const char *name );
-
-xcb_lookup_color_cookie_t
-xcb_lookup_color_unchecked (xcb_connection_t *c ,
- xcb_colormap_t cmap ,
- uint16_t name_len ,
- const char *name );
-
-xcb_lookup_color_reply_t *
-xcb_lookup_color_reply (xcb_connection_t *c ,
- xcb_lookup_color_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_create_cursor_checked (xcb_connection_t *c ,
- xcb_cursor_t cid ,
- xcb_pixmap_t source ,
- xcb_pixmap_t mask ,
- uint16_t fore_red ,
- uint16_t fore_green ,
- uint16_t fore_blue ,
- uint16_t back_red ,
- uint16_t back_green ,
- uint16_t back_blue ,
- uint16_t x ,
- uint16_t y );
-
-xcb_void_cookie_t
-xcb_create_cursor (xcb_connection_t *c ,
- xcb_cursor_t cid ,
- xcb_pixmap_t source ,
- xcb_pixmap_t mask ,
- uint16_t fore_red ,
- uint16_t fore_green ,
- uint16_t fore_blue ,
- uint16_t back_red ,
- uint16_t back_green ,
- uint16_t back_blue ,
- uint16_t x ,
- uint16_t y );
-
-xcb_void_cookie_t
-xcb_create_glyph_cursor_checked (xcb_connection_t *c ,
- xcb_cursor_t cid ,
- xcb_font_t source_font ,
- xcb_font_t mask_font ,
- uint16_t source_char ,
- uint16_t mask_char ,
- uint16_t fore_red ,
- uint16_t fore_green ,
- uint16_t fore_blue ,
- uint16_t back_red ,
- uint16_t back_green ,
- uint16_t back_blue );
-
-xcb_void_cookie_t
-xcb_create_glyph_cursor (xcb_connection_t *c ,
- xcb_cursor_t cid ,
- xcb_font_t source_font ,
- xcb_font_t mask_font ,
- uint16_t source_char ,
- uint16_t mask_char ,
- uint16_t fore_red ,
- uint16_t fore_green ,
- uint16_t fore_blue ,
- uint16_t back_red ,
- uint16_t back_green ,
- uint16_t back_blue );
-
-xcb_void_cookie_t
-xcb_free_cursor_checked (xcb_connection_t *c ,
- xcb_cursor_t cursor );
-
-xcb_void_cookie_t
-xcb_free_cursor (xcb_connection_t *c ,
- xcb_cursor_t cursor );
-
-xcb_void_cookie_t
-xcb_recolor_cursor_checked (xcb_connection_t *c ,
- xcb_cursor_t cursor ,
- uint16_t fore_red ,
- uint16_t fore_green ,
- uint16_t fore_blue ,
- uint16_t back_red ,
- uint16_t back_green ,
- uint16_t back_blue );
-
-xcb_void_cookie_t
-xcb_recolor_cursor (xcb_connection_t *c ,
- xcb_cursor_t cursor ,
- uint16_t fore_red ,
- uint16_t fore_green ,
- uint16_t fore_blue ,
- uint16_t back_red ,
- uint16_t back_green ,
- uint16_t back_blue );
-
-xcb_query_best_size_cookie_t
-xcb_query_best_size (xcb_connection_t *c ,
- uint8_t _class ,
- xcb_drawable_t drawable ,
- uint16_t width ,
- uint16_t height );
-
-xcb_query_best_size_cookie_t
-xcb_query_best_size_unchecked (xcb_connection_t *c ,
- uint8_t _class ,
- xcb_drawable_t drawable ,
- uint16_t width ,
- uint16_t height );
-
-xcb_query_best_size_reply_t *
-xcb_query_best_size_reply (xcb_connection_t *c ,
- xcb_query_best_size_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_query_extension_sizeof (const void *_buffer );
-
-xcb_query_extension_cookie_t
-xcb_query_extension (xcb_connection_t *c ,
- uint16_t name_len ,
- const char *name );
-
-xcb_query_extension_cookie_t
-xcb_query_extension_unchecked (xcb_connection_t *c ,
- uint16_t name_len ,
- const char *name );
-
-xcb_query_extension_reply_t *
-xcb_query_extension_reply (xcb_connection_t *c ,
- xcb_query_extension_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_list_extensions_sizeof (const void *_buffer );
-
-xcb_list_extensions_cookie_t
-xcb_list_extensions (xcb_connection_t *c );
-
-xcb_list_extensions_cookie_t
-xcb_list_extensions_unchecked (xcb_connection_t *c );
-
-int
-xcb_list_extensions_names_length (const xcb_list_extensions_reply_t *R );
-
-xcb_str_iterator_t
-xcb_list_extensions_names_iterator (const xcb_list_extensions_reply_t *R );
-
-xcb_list_extensions_reply_t *
-xcb_list_extensions_reply (xcb_connection_t *c ,
- xcb_list_extensions_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_change_keyboard_mapping_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_change_keyboard_mapping_checked (xcb_connection_t *c ,
- uint8_t keycode_count ,
- xcb_keycode_t first_keycode ,
- uint8_t keysyms_per_keycode ,
- const xcb_keysym_t *keysyms );
-
-xcb_void_cookie_t
-xcb_change_keyboard_mapping (xcb_connection_t *c ,
- uint8_t keycode_count ,
- xcb_keycode_t first_keycode ,
- uint8_t keysyms_per_keycode ,
- const xcb_keysym_t *keysyms );
-
-int
-xcb_get_keyboard_mapping_sizeof (const void *_buffer );
-
-xcb_get_keyboard_mapping_cookie_t
-xcb_get_keyboard_mapping (xcb_connection_t *c ,
- xcb_keycode_t first_keycode ,
- uint8_t count );
-
-xcb_get_keyboard_mapping_cookie_t
-xcb_get_keyboard_mapping_unchecked (xcb_connection_t *c ,
- xcb_keycode_t first_keycode ,
- uint8_t count );
-
-xcb_keysym_t *
-xcb_get_keyboard_mapping_keysyms (const xcb_get_keyboard_mapping_reply_t *R );
-
-int
-xcb_get_keyboard_mapping_keysyms_length (const xcb_get_keyboard_mapping_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_get_keyboard_mapping_keysyms_end (const xcb_get_keyboard_mapping_reply_t *R );
-
-xcb_get_keyboard_mapping_reply_t *
-xcb_get_keyboard_mapping_reply (xcb_connection_t *c ,
- xcb_get_keyboard_mapping_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_change_keyboard_control_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_change_keyboard_control_checked (xcb_connection_t *c ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-xcb_void_cookie_t
-xcb_change_keyboard_control (xcb_connection_t *c ,
- uint32_t value_mask ,
- const uint32_t *value_list );
-
-xcb_get_keyboard_control_cookie_t
-xcb_get_keyboard_control (xcb_connection_t *c );
-
-xcb_get_keyboard_control_cookie_t
-xcb_get_keyboard_control_unchecked (xcb_connection_t *c );
-
-xcb_get_keyboard_control_reply_t *
-xcb_get_keyboard_control_reply (xcb_connection_t *c ,
- xcb_get_keyboard_control_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_bell_checked (xcb_connection_t *c ,
- int8_t percent );
-
-xcb_void_cookie_t
-xcb_bell (xcb_connection_t *c ,
- int8_t percent );
-
-xcb_void_cookie_t
-xcb_change_pointer_control_checked (xcb_connection_t *c ,
- int16_t acceleration_numerator ,
- int16_t acceleration_denominator ,
- int16_t threshold ,
- uint8_t do_acceleration ,
- uint8_t do_threshold );
-
-xcb_void_cookie_t
-xcb_change_pointer_control (xcb_connection_t *c ,
- int16_t acceleration_numerator ,
- int16_t acceleration_denominator ,
- int16_t threshold ,
- uint8_t do_acceleration ,
- uint8_t do_threshold );
-
-xcb_get_pointer_control_cookie_t
-xcb_get_pointer_control (xcb_connection_t *c );
-
-xcb_get_pointer_control_cookie_t
-xcb_get_pointer_control_unchecked (xcb_connection_t *c );
-
-xcb_get_pointer_control_reply_t *
-xcb_get_pointer_control_reply (xcb_connection_t *c ,
- xcb_get_pointer_control_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_set_screen_saver_checked (xcb_connection_t *c ,
- int16_t timeout ,
- int16_t interval ,
- uint8_t prefer_blanking ,
- uint8_t allow_exposures );
-
-xcb_void_cookie_t
-xcb_set_screen_saver (xcb_connection_t *c ,
- int16_t timeout ,
- int16_t interval ,
- uint8_t prefer_blanking ,
- uint8_t allow_exposures );
-
-xcb_get_screen_saver_cookie_t
-xcb_get_screen_saver (xcb_connection_t *c );
-
-xcb_get_screen_saver_cookie_t
-xcb_get_screen_saver_unchecked (xcb_connection_t *c );
-
-xcb_get_screen_saver_reply_t *
-xcb_get_screen_saver_reply (xcb_connection_t *c ,
- xcb_get_screen_saver_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_change_hosts_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_change_hosts_checked (xcb_connection_t *c ,
- uint8_t mode ,
- uint8_t family ,
- uint16_t address_len ,
- const uint8_t *address );
-
-xcb_void_cookie_t
-xcb_change_hosts (xcb_connection_t *c ,
- uint8_t mode ,
- uint8_t family ,
- uint16_t address_len ,
- const uint8_t *address );
-
-int
-xcb_host_sizeof (const void *_buffer );
-
-uint8_t *
-xcb_host_address (const xcb_host_t *R );
-
-int
-xcb_host_address_length (const xcb_host_t *R );
-
-xcb_generic_iterator_t
-xcb_host_address_end (const xcb_host_t *R );
-
-void
-xcb_host_next (xcb_host_iterator_t *i );
-
-xcb_generic_iterator_t
-xcb_host_end (xcb_host_iterator_t i );
-
-int
-xcb_list_hosts_sizeof (const void *_buffer );
-
-xcb_list_hosts_cookie_t
-xcb_list_hosts (xcb_connection_t *c );
-
-xcb_list_hosts_cookie_t
-xcb_list_hosts_unchecked (xcb_connection_t *c );
-
-int
-xcb_list_hosts_hosts_length (const xcb_list_hosts_reply_t *R );
-
-xcb_host_iterator_t
-xcb_list_hosts_hosts_iterator (const xcb_list_hosts_reply_t *R );
-
-xcb_list_hosts_reply_t *
-xcb_list_hosts_reply (xcb_connection_t *c ,
- xcb_list_hosts_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_set_access_control_checked (xcb_connection_t *c ,
- uint8_t mode );
-
-xcb_void_cookie_t
-xcb_set_access_control (xcb_connection_t *c ,
- uint8_t mode );
-
-xcb_void_cookie_t
-xcb_set_close_down_mode_checked (xcb_connection_t *c ,
- uint8_t mode );
-
-xcb_void_cookie_t
-xcb_set_close_down_mode (xcb_connection_t *c ,
- uint8_t mode );
-
-xcb_void_cookie_t
-xcb_kill_client_checked (xcb_connection_t *c ,
- uint32_t resource );
-
-xcb_void_cookie_t
-xcb_kill_client (xcb_connection_t *c ,
- uint32_t resource );
-
-int
-xcb_rotate_properties_sizeof (const void *_buffer );
-
-xcb_void_cookie_t
-xcb_rotate_properties_checked (xcb_connection_t *c ,
- xcb_window_t window ,
- uint16_t atoms_len ,
- int16_t delta ,
- const xcb_atom_t *atoms );
-
-xcb_void_cookie_t
-xcb_rotate_properties (xcb_connection_t *c ,
- xcb_window_t window ,
- uint16_t atoms_len ,
- int16_t delta ,
- const xcb_atom_t *atoms );
-
-xcb_void_cookie_t
-xcb_force_screen_saver_checked (xcb_connection_t *c ,
- uint8_t mode );
-
-xcb_void_cookie_t
-xcb_force_screen_saver (xcb_connection_t *c ,
- uint8_t mode );
-
-int
-xcb_set_pointer_mapping_sizeof (const void *_buffer );
-
-xcb_set_pointer_mapping_cookie_t
-xcb_set_pointer_mapping (xcb_connection_t *c ,
- uint8_t map_len ,
- const uint8_t *map );
-
-xcb_set_pointer_mapping_cookie_t
-xcb_set_pointer_mapping_unchecked (xcb_connection_t *c ,
- uint8_t map_len ,
- const uint8_t *map );
-
-xcb_set_pointer_mapping_reply_t *
-xcb_set_pointer_mapping_reply (xcb_connection_t *c ,
- xcb_set_pointer_mapping_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_get_pointer_mapping_sizeof (const void *_buffer );
-
-xcb_get_pointer_mapping_cookie_t
-xcb_get_pointer_mapping (xcb_connection_t *c );
-
-xcb_get_pointer_mapping_cookie_t
-xcb_get_pointer_mapping_unchecked (xcb_connection_t *c );
-
-uint8_t *
-xcb_get_pointer_mapping_map (const xcb_get_pointer_mapping_reply_t *R );
-
-int
-xcb_get_pointer_mapping_map_length (const xcb_get_pointer_mapping_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_get_pointer_mapping_map_end (const xcb_get_pointer_mapping_reply_t *R );
-
-xcb_get_pointer_mapping_reply_t *
-xcb_get_pointer_mapping_reply (xcb_connection_t *c ,
- xcb_get_pointer_mapping_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_set_modifier_mapping_sizeof (const void *_buffer );
-
-xcb_set_modifier_mapping_cookie_t
-xcb_set_modifier_mapping (xcb_connection_t *c ,
- uint8_t keycodes_per_modifier ,
- const xcb_keycode_t *keycodes );
-
-xcb_set_modifier_mapping_cookie_t
-xcb_set_modifier_mapping_unchecked (xcb_connection_t *c ,
- uint8_t keycodes_per_modifier ,
- const xcb_keycode_t *keycodes );
-
-xcb_set_modifier_mapping_reply_t *
-xcb_set_modifier_mapping_reply (xcb_connection_t *c ,
- xcb_set_modifier_mapping_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-int
-xcb_get_modifier_mapping_sizeof (const void *_buffer );
-
-xcb_get_modifier_mapping_cookie_t
-xcb_get_modifier_mapping (xcb_connection_t *c );
-
-xcb_get_modifier_mapping_cookie_t
-xcb_get_modifier_mapping_unchecked (xcb_connection_t *c );
-
-xcb_keycode_t *
-xcb_get_modifier_mapping_keycodes (const xcb_get_modifier_mapping_reply_t *R );
-
-int
-xcb_get_modifier_mapping_keycodes_length (const xcb_get_modifier_mapping_reply_t *R );
-
-xcb_generic_iterator_t
-xcb_get_modifier_mapping_keycodes_end (const xcb_get_modifier_mapping_reply_t *R );
-
-xcb_get_modifier_mapping_reply_t *
-xcb_get_modifier_mapping_reply (xcb_connection_t *c ,
- xcb_get_modifier_mapping_cookie_t cookie ,
- xcb_generic_error_t **e );
-
-xcb_void_cookie_t
-xcb_no_operation_checked (xcb_connection_t *c );
-
-xcb_void_cookie_t
-xcb_no_operation (xcb_connection_t *c );
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
+++ /dev/null
-
-Libpng 1.2.37 - June 4, 2009
-
-This is a public release of libpng, intended for use in production codes.
-
-Files available for download:
-
-Source files with LF line endings (for Unix/Linux) and with a
-"configure" script
-
- libpng-1.2.37.tar.gz
- libpng-1.2.37.tar.lzma
- (Get the lzma codec from <http://tukaani.org/lzma>).
- libpng-1.2.37.tar.bz2
-
-Source files with LF line endings (for Unix/Linux) without the
-"configure" script
-
- libpng-1.2.37-no-config.tar.gz
- libpng-1.2.37-no-config.tar.lzma
- libpng-1.2.37-no-config.tar.bz2
-
-Source files with CRLF line endings (for Windows), without the
-"configure" script
-
- lpng1237.zip
- lpng1237.7z
- lpng1237.tar.bz2
-
-Project files
-
- libpng-1.2.37-project-netware.zip
- libpng-1.2.37-project-wince.zip
-
-Other information:
-
- libpng-1.2.37-README.txt
- libpng-1.2.37-KNOWNBUGS.txt
- libpng-1.2.37-LICENSE.txt
- libpng-1.2.37-Y2K-compliance.txt
- libpng-1.2.37-[previous version]-diff.txt
-
-Changes since the last public release (1.2.36):
-
-version 1.2.37 [June 4, 2009]
-
- Fixed inconsistency in pngrutil.c, introduced in libpng-1.2.36. The
- memset() was using "png_ptr->rowbytes" instead of "row_bytes", which
- the corresponding png_malloc() uses (Joe Drew).
- Clarified usage of sig_bit versus sig_bit_p in example.c (Vincent Torri)
- Updated some of the makefiles in the scripts directory.
- Fixed typo in libpng documentation (FILTER_AVE should be FILTER_AVG)
- Relocated misplaced #endif in pngwrite.c, sCAL chunk handler.
- Conditionally compile png_read_finish_row() which is not used by
- progressive readers.
- Added contrib/pngminim/preader to demonstrate building minimal progressive
- decoder, based on contrib/gregbook with embedded libpng and zlib.
- In contrib/pngminim/*, renamed "makefile.std" to "makefile", since there
- is only one makefile in those directories, and revised the README files
- accordingly.
- Reformated sources in libpng style (3-space indentation, comment format)
- Added sections about the git repository and our coding style to the
- documentation (merged from libpng-1.4.0beta62)
- Added a section about using png_get_io_ptr() in configure scripts to detect
- the presence of libpng.
-
-Send comments/corrections/commendations to png-mng-implement at lists.sf.net
-(subscription required; visit
-https://lists.sourceforge.net/lists/listinfo/png-mng-implement
-to subscribe) or to glennrp at users.sourceforge.net
-
-Glenn R-P
+++ /dev/null
-/*
-CHANGES - changes for libpng
-
-version 0.2
- added reader into png.h
- fixed small problems in stub file
-
-version 0.3
- added pull reader
- split up pngwrite.c to several files
- added pnglib.txt
- added example.c
- cleaned up writer, adding a few new transformations
- fixed some bugs in writer
- interfaced with zlib 0.5
- added K&R support
- added check for 64 KB blocks for 16 bit machines
-
-version 0.4
- cleaned up code and commented code
- simplified time handling into png_time
- created png_color_16 and png_color_8 to handle color needs
- cleaned up color type defines
- fixed various bugs
- made various names more consistent
- interfaced with zlib 0.71
- cleaned up zTXt reader and writer (using zlib's Reset functions)
- split transformations into pngrtran.c and pngwtran.c
-
-version 0.5
- interfaced with zlib 0.8
- fixed many reading and writing bugs
- saved using 3 spaces instead of tabs
-
-version 0.6
- added png_large_malloc() and png_large_free()
- added png_size_t
- cleaned up some compiler warnings
- added png_start_read_image()
-
-version 0.7
- cleaned up lots of bugs
- finished dithering and other stuff
- added test program
- changed name from pnglib to libpng
-
-version 0.71 [June, 1995]
- changed pngtest.png for zlib 0.93
- fixed error in libpng.txt and example.c
-
-version 0.8
- cleaned up some bugs
- added png_set_filler()
- split up pngstub.c into pngmem.c, pngio.c, and pngerror.c
- added #define's to remove unwanted code
- moved png_info_init() to png.c
- added old_size into png_realloc()
- added functions to manually set filtering and compression info
- changed compression parameters based on image type
- optimized filter selection code
- added version info
- changed external functions passing floats to doubles (k&r problems?)
- put all the configurable stuff in pngconf.h
- enabled png_set_shift to work with paletted images on read
- added png_read_update_info() - updates info structure with
- transformations
-
-version 0.81 [August, 1995]
- incorporated Tim Wegner's medium model code (thanks, Tim)
-
-version 0.82 [September, 1995]
- [unspecified changes]
-
-version 0.85 [December, 1995]
- added more medium model code (almost everything's a far)
- added i/o, error, and memory callback functions
- fixed some bugs (16 bit, 4 bit interlaced, etc.)
- added first run progressive reader (barely tested)
-
-version 0.86 [January, 1996]
- fixed bugs
- improved documentation
-
-version 0.87 [January, 1996]
- fixed medium model bugs
- fixed other bugs introduced in 0.85 and 0.86
- added some minor documentation
-
-version 0.88 [January, 1996]
- fixed progressive bugs
- replaced tabs with spaces
- cleaned up documentation
- added callbacks for read/write and warning/error functions
-
-version 0.89 [July, 1996]
- added new initialization API to make libpng work better with shared libs
- we now have png_create_read_struct(), png_create_write_struct(),
- png_create_info_struct(), png_destroy_read_struct(), and
- png_destroy_write_struct() instead of the separate calls to
- malloc and png_read_init(), png_info_init(), and png_write_init()
- changed warning/error callback functions to fix bug - this means you
- should use the new initialization API if you were using the old
- png_set_message_fn() calls, and that the old API no longer exists
- so that people are aware that they need to change their code
- changed filter selection API to allow selection of multiple filters
- since it didn't work in previous versions of libpng anyways
- optimized filter selection code
- fixed png_set_background() to allow using an arbitrary RGB color for
- paletted images
- fixed gamma and background correction for paletted images, so
- png_correct_palette is not needed unless you are correcting an
- external palette (you will need to #define PNG_CORRECT_PALETTE_SUPPORTED
- in pngconf.h) - if nobody uses this, it may disappear in the future.
- fixed bug with Borland 64K memory allocation (Alexander Lehmann)
- fixed bug in interlace handling (Smarasderagd, I think)
- added more error checking for writing and image to reduce invalid files
- separated read and write functions so that they won't both be linked
- into a binary when only reading or writing functionality is used
- new pngtest image also has interlacing and zTXt
- updated documentation to reflect new API
-
-version 0.90 [January, 1997]
- made CRC errors/warnings on critical and ancillary chunks configurable
- libpng will use the zlib CRC routines by (compile-time) default
- changed DOS small/medium model memory support - needs zlib 1.04 (Tim Wegner)
- added external C++ wrapper statements to png.h (Gilles Dauphin)
- allow PNG file to be read when some or all of file signature has already
- been read from the beginning of the stream. ****This affects the size
- of info_struct and invalidates all programs that use a shared libpng****
- fixed png_filler() declarations
- fixed? background color conversions
- fixed order of error function pointers to match documentation
- current chunk name is now available in png_struct to reduce the number
- of nearly identical error messages (will simplify multi-lingual
- support when available)
- try to get ready for unknown-chunk callback functions:
- - previously read critical chunks are flagged, so the chunk handling
- routines can determine if the chunk is in the right place
- - all chunk handling routines have the same prototypes, so we will
- be able to handle all chunks via a callback mechanism
- try to fix Linux "setjmp" buffer size problems
- removed png_large_malloc, png_large_free, and png_realloc functions.
-
-version 0.95 [March, 1997]
- fixed bug in pngwutil.c allocating "up_row" twice and "avg_row" never
- fixed bug in PNG file signature compares when start != 0
- changed parameter type of png_set_filler(...filler...) from png_byte
- to png_uint_32
- added test for MACOS to ensure that both math.h and fp.h are not #included
- added macros for libpng to be compiled as a Windows DLL (Andreas Kupries)
- added "packswap" transformation, which changes the endianness of
- packed-pixel bytes (Kevin Bracey)
- added "strip_alpha" transformation, which removes the alpha channel of
- input images without using it (not necessarily a good idea)
- added "swap_alpha" transformation, which puts the alpha channel in front
- of the color bytes instead of after
- removed all implicit variable tests which assume NULL == 0 (I think)
- changed several variables to "png_size_t" to show 16/32-bit limitations
- added new pCAL chunk read/write support
- added experimental filter selection weighting (Greg Roelofs)
- removed old png_set_rgbx() and png_set_xrgb() functions that have been
- obsolete for about 2 years now (use png_set_filler() instead)
- added macros to read 16- and 32-bit ints directly from buffer, to be
- used only on those systems that support it (namely PowerPC and 680x0)
- With some testing, this may become the default for MACOS/PPC systems.
- only calculate CRC on data if we are going to use it
- added macros for zTXt compression type PNG_zTXt_COMPRESSION_???
- added macros for simple libpng debugging output selectable at compile time
- removed PNG_READ_END_MODE in progressive reader (Smarasderagd)
- more description of info_struct in libpng.txt and png.h
- more instructions in example.c
- more chunk types tested in pngtest.c
- renamed pngrcb.c to pngset.c, and all png_read_<chunk> functions to be
- png_set_<chunk>. We now have corresponding png_get_<chunk>
- functions in pngget.c to get information in info_ptr. This isolates
- the application from the internal organization of png_info_struct
- (good for shared library implementations).
-
-version 0.96 [May, 1997]
- fixed serious bug with < 8bpp images introduced in 0.95
- fixed 256-color transparency bug (Greg Roelofs)
- fixed up documentation (Greg Roelofs, Laszlo Nyul)
- fixed "error" in pngconf.h for Linux setjmp() behaviour
- fixed DOS medium model support (Tim Wegner)
- fixed png_check_keyword() for case with error in static string text
- added read of CRC after IEND chunk for embedded PNGs (Laszlo Nyul)
- added typecasts to quiet compiler errors
- added more debugging info
-
-version 0.97 [January, 1998]
- removed PNG_USE_OWN_CRC capability
- relocated png_set_crc_action from pngrutil.c to pngrtran.c
- fixed typecasts of "new_key", etc. (Andreas Dilger)
- added RFC 1152 [sic] date support
- fixed bug in gamma handling of 4-bit grayscale
- added 2-bit grayscale gamma handling (Glenn R-P)
- added more typecasts. 65536L becomes (png_uint_32)65536L, etc. (Glenn R-P)
- minor corrections in libpng.txt
- added simple sRGB support (Glenn R-P)
- easier conditional compiling, e.g. define PNG_READ/WRITE_NOT_FULLY_SUPPORTED;
- all configurable options can be selected from command-line instead
- of having to edit pngconf.h (Glenn R-P)
- fixed memory leak in pngwrite.c (free info_ptr->text) (Glenn R-P)
- added more conditions for png_do_background, to avoid changing
- black pixels to background when a background is supplied and
- no pixels are transparent
- repaired PNG_NO_STDIO behaviour
- tested NODIV support and made it default behaviour (Greg Roelofs)
- added "-m" option and PNGTEST_DEBUG_MEMORY to pngtest (John Bowler)
- regularized version numbering scheme and bumped shared-library major
- version number to 2 to avoid problems with libpng 0.89 apps (Greg Roelofs)
-
-version 0.98 [January, 1998]
- cleaned up some typos in libpng.txt and in code documentation
- fixed memory leaks in pCAL chunk processing (Glenn R-P and John Bowler)
- cosmetic change "display_gamma" to "screen_gamma" in pngrtran.c
- changed recommendation about file_gamma for PC images to .51 from .45,
- in example.c and libpng.txt, added comments to distinguish between
- screen_gamma, viewing_gamma, and display_gamma.
- changed all references to RFC1152 to read RFC1123 and changed the
- PNG_TIME_RFC1152_SUPPORTED macro to PNG_TIME_RFC1123_SUPPORTED
- added png_invert_alpha capability (Glenn R-P -- suggestion by Jon Vincent)
- changed srgb_intent from png_byte to int to avoid compiler bugs
-
-version 0.99 [January 30, 1998]
- free info_ptr->text instead of end_info_ptr->text in pngread.c (John Bowler)
- fixed a longstanding "packswap" bug in pngtrans.c
- fixed some inconsistencies in pngconf.h that prevented compiling with
- PNG_READ_GAMMA_SUPPORTED and PNG_READ_hIST_SUPPORTED undefined
- fixed some typos and made other minor rearrangement of libpng.txt (Andreas)
- changed recommendation about file_gamma for PC images to .50 from .51 in
- example.c and libpng.txt, and changed file_gamma for sRGB images to .45
- added a number of functions to access information from the png structure
- png_get_image_height(), etc. (Glenn R-P, suggestion by Brad Pettit)
- added TARGET_MACOS similar to zlib-1.0.8
- define PNG_ALWAYS_EXTERN when __MWERKS__ && WIN32 are defined
- added type casting to all png_malloc() function calls
-version 0.99a [January 31, 1998]
- Added type casts and parentheses to all returns that return a value.(Tim W.)
-version 0.99b [February 4, 1998]
- Added type cast png_uint_32 on malloc function calls where needed.
- Changed type of num_hist from png_uint_32 to int (same as num_palette).
- Added checks for rowbytes overflow, in case png_size_t is less than 32 bits.
- Renamed makefile.elf to makefile.lnx.
-version 0.99c [February 7, 1998]
- More type casting. Removed erroneous overflow test in pngmem.c.
- Added png_buffered_memcpy() and png_buffered_memset(), apply them to rowbytes.
- Added UNIX manual pages libpng.3 (incorporating libpng.txt) and png.5.
-version 0.99d [February 11, 1998]
- Renamed "far_to_near()" "png_far_to_near()"
- Revised libpng.3
- Version 99c "buffered" operations didn't work as intended. Replaced them
- with png_memcpy_check() and png_memset_check().
- Added many "if (png_ptr == NULL) return" to quell compiler warnings about
- unused png_ptr, mostly in pngget.c and pngset.c.
- Check for overlength tRNS chunk present when indexed-color PLTE is read.
- Cleaned up spelling errors in libpng.3/libpng.txt
- Corrected a problem with png_get_tRNS() which returned undefined trans array
-version 0.99e [February 28, 1998]
- Corrected png_get_tRNS() again.
- Add parentheses for easier reading of pngget.c, fixed "||" should be "&&".
- Touched up example.c to make more of it compileable, although the entire
- file still can't be compiled (Willem van Schaik)
- Fixed a bug in png_do_shift() (Bryan Tsai)
- Added a space in png.h prototype for png_write_chunk_start()
- Replaced pngtest.png with one created with zlib 1.1.1
- Changed pngtest to report PASS even when file size is different (Jean-loup G.)
- Corrected some logic errors in png_do_invert_alpha() (Chris Patterson)
-version 0.99f [March 5, 1998]
- Corrected a bug in pngpread() introduced in version 99c (Kevin Bracey)
- Moved makefiles into a "scripts" directory, and added INSTALL instruction file
- Added makefile.os2 and pngos2.def (A. Zabolotny) and makefile.s2x (W. Sebok)
- Added pointers to "note on libpng versions" in makefile.lnx and README
- Added row callback feature when reading and writing nonprogressive rows
- and added a test of this feature in pngtest.c
- Added user transform callbacks, with test of the feature in pngtest.c
-version 0.99g [March 6, 1998, morning]
- Minor changes to pngtest.c to suppress compiler warnings.
- Removed "beta" language from documentation.
-version 0.99h [March 6, 1998, evening]
- Minor changes to previous minor changes to pngtest.c
- Changed PNG_READ_NOT_FULLY_SUPPORTED to PNG_READ_TRANSFORMS_NOT_SUPPORTED
- and added PNG_PROGRESSIVE_READ_NOT_SUPPORTED macro
- Added user transform capability
-
-version 1.00 [March 7, 1998]
- Changed several typedefs in pngrutil.c
- Added makefile.wat (Pawel Mrochen), updated makefile.tc3 (Willem van Schaik)
- replaced "while(1)" with "for(;;)"
- added PNGARG() to prototypes in pngtest.c and removed some prototypes
- updated some of the makefiles (Tom Lane)
- changed some typedefs (s_start, etc.) in pngrutil.c
- fixed dimensions of "short_months" array in pngwrite.c
- Replaced ansi2knr.c with the one from jpeg-v6
-
-version 1.0.0 [March 8, 1998]
- Changed name from 1.00 to 1.0.0 (Adam Costello)
- Added smakefile.ppc (with SCOPTIONS.ppc) for Amiga PPC (Andreas Kleinert)
-version 1.0.0a [March 9, 1998]
- Fixed three bugs in pngrtran.c to make gamma+background handling consistent
- (Greg Roelofs)
- Changed format of the PNG_LIBPNG_VER integer to xyyzz instead of xyz
- for major, minor, and bugfix releases. This is 10001. (Adam Costello,
- Tom Lane)
- Make months range from 1-12 in png_convert_to_rfc1123
-version 1.0.0b [March 13, 1998]
- Quieted compiler complaints about two empty "for" loops in pngrutil.c
- Minor changes to makefile.s2x
- Removed #ifdef/#endif around a png_free() in pngread.c
-
-version 1.0.1 [March 14, 1998]
- Changed makefile.s2x to reduce security risk of using a relative pathname
- Fixed some typos in the documentation (Greg).
- Fixed a problem with value of "channels" returned by png_read_update_info()
-version 1.0.1a [April 21, 1998]
- Optimized Paeth calculations by replacing abs() function calls with intrinsics
- plus other loop optimizations. Improves avg decoding speed by about 20%.
- Commented out i386istic "align" compiler flags in makefile.lnx.
- Reduced the default warning level in some makefiles, to make them consistent.
- Removed references to IJG and JPEG in the ansi2knr.c copyright statement.
- Fixed a bug in png_do_strip_filler with XXRRGGBB => RRGGBB transformation.
- Added grayscale and 16-bit capability to png_do_read_filler().
- Fixed a bug in pngset.c, introduced in version 0.99c, that sets rowbytes
- too large when writing an image with bit_depth < 8 (Bob Dellaca).
- Corrected some bugs in the experimental weighted filtering heuristics.
- Moved a misplaced pngrutil code block that truncates tRNS if it has more
- than num_palette entries -- test was done before num_palette was defined.
- Fixed a png_convert_to_rfc1123() bug that converts day 31 to 0 (Steve Eddins).
- Changed compiler flags in makefile.wat for better optimization (Pawel Mrochen).
-version 1.0.1b [May 2, 1998]
- Relocated png_do_gray_to_rgb() within png_do_read_transformations() (Greg).
- Relocated the png_composite macros from pngrtran.c to png.h (Greg).
- Added makefile.sco (contributed by Mike Hopkirk).
- Fixed two bugs (missing definitions of "istop") introduced in libpng-1.0.1a.
- Fixed a bug in pngrtran.c that would set channels=5 under some circumstances.
- More work on the Paeth-filtering, achieving imperceptible speedup (A Kleinert).
- More work on loop optimization which may help when compiled with C++ compilers.
- Added warnings when people try to use transforms they've defined out.
- Collapsed 4 "i" and "c" loops into single "i" loops in pngrtran and pngwtran.
- Revised paragraph about png_set_expand() in libpng.txt and libpng.3 (Greg)
-version 1.0.1c [May 11, 1998]
- Fixed a bug in pngrtran.c (introduced in libpng-1.0.1a) where the masks for
- filler bytes should have been 0xff instead of 0xf.
- Added max_pixel_depth=32 in pngrutil.c when using FILLER with palette images.
- Moved PNG_WRITE_WEIGHTED_FILTER_SUPPORTED and PNG_WRITE_FLUSH_SUPPORTED
- out of the PNG_WRITE_TRANSFORMS_NOT_SUPPORTED block of pngconf.h
- Added "PNG_NO_WRITE_TRANSFORMS" etc., as alternatives for *_NOT_SUPPORTED,
- for consistency, in pngconf.h
- Added individual "ifndef PNG_NO_[CAPABILITY]" in pngconf.h to make it easier
- to remove unwanted capabilities via the compile line
- Made some corrections to grammar (which, it's) in documentation (Greg).
- Corrected example.c, use of row_pointers in png_write_image().
-version 1.0.1d [May 24, 1998]
- Corrected several statements that used side effects illegally in pngrutil.c
- and pngtrans.c, that were introduced in version 1.0.1b
- Revised png_read_rows() to avoid repeated if-testing for NULL (A Kleinert)
- More corrections to example.c, use of row_pointers in png_write_image()
- and png_read_rows().
- Added pngdll.mak and pngdef.pas to scripts directory, contributed by
- Bob Dellaca, to make a png32bd.dll with Borland C++ 4.5
- Fixed error in example.c with png_set_text: num_text is 3, not 2 (Guido V.)
- Changed several loops from count-down to count-up, for consistency.
-version 1.0.1e [June 6, 1998]
- Revised libpng.txt and libpng.3 description of png_set_read|write_fn(), and
- added warnings when people try to set png_read_fn and png_write_fn in
- the same structure.
- Added a test such that png_do_gamma will be done when num_trans==0
- for truecolor images that have defined a background. This corrects an
- error that was introduced in libpng-0.90 that can cause gamma processing
- to be skipped.
- Added tests in png.h to include "trans" and "trans_values" in structures
- when PNG_READ_BACKGROUND_SUPPORTED or PNG_READ_EXPAND_SUPPORTED is defined.
- Add png_free(png_ptr->time_buffer) in png_destroy_read_struct()
- Moved png_convert_to_rfc_1123() from pngwrite.c to png.c
- Added capability for user-provided malloc_fn() and free_fn() functions,
- and revised pngtest.c to demonstrate their use, replacing the
- PNGTEST_DEBUG_MEM feature.
- Added makefile.w32, for Microsoft C++ 4.0 and later (Tim Wegner).
-
-version 1.0.2 [June 14, 1998]
- Fixed two bugs in makefile.bor .
-version 1.0.2a [December 30, 1998]
- Replaced and extended code that was removed from png_set_filler() in 1.0.1a.
- Fixed a bug in png_do_filler() that made it fail to write filler bytes in
- the left-most pixel of each row (Kevin Bracey).
- Changed "static pngcharp tIME_string" to "static char tIME_string[30]"
- in pngtest.c (Duncan Simpson).
- Fixed a bug in pngtest.c that caused pngtest to try to write a tIME chunk
- even when no tIME chunk was present in the source file.
- Fixed a problem in pngrutil.c: gray_to_rgb didn't always work with 16-bit.
- Fixed a problem in png_read_push_finish_row(), which would not skip some
- passes that it should skip, for images that are less than 3 pixels high.
- Interchanged the order of calls to png_do_swap() and png_do_shift()
- in pngwtran.c (John Cromer).
- Added #ifdef PNG_DEBUG/#endif surrounding use of PNG_DEBUG in png.h .
- Changed "bad adaptive filter type" from error to warning in pngrutil.c .
- Fixed a documentation error about default filtering with 8-bit indexed-color.
- Separated the PNG_NO_STDIO macro into PNG_NO_STDIO and PNG_NO_CONSOLE_IO
- (L. Peter Deutsch).
- Added png_set_rgb_to_gray() and png_get_rgb_to_gray_status() functions.
- Added png_get_copyright() and png_get_header_version() functions.
- Revised comments on png_set_progressive_read_fn() in libpng.txt and example.c
- Added information about debugging in libpng.txt and libpng.3 .
- Changed "ln -sf" to "ln -s -f" in makefile.s2x, makefile.lnx, and makefile.sco.
- Removed lines after Dynamic Dependencies" in makefile.aco .
- Revised makefile.dec to make a shared library (Jeremie Petit).
- Removed trailing blanks from all files.
-version 1.0.2a [January 6, 1999]
- Removed misplaced #endif and #ifdef PNG_NO_EXTERN near the end of png.h
- Added "if" tests to silence complaints about unused png_ptr in png.h and png.c
- Changed "check_if_png" function in example.c to return true (nonzero) if PNG.
- Changed libpng.txt to demonstrate png_sig_cmp() instead of png_check_sig()
- which is obsolete.
-
-version 1.0.3 [January 14, 1999]
- Added makefile.hux, for Hewlett Packard HPUX 10.20 and 11.00 (Jim Rice)
- Added a statement of Y2K compliance in png.h, libpng.3, and Y2KINFO.
-version 1.0.3a [August 12, 1999]
- Added check for PNG_READ_INTERLACE_SUPPORTED in pngread.c; issue a warning
- if an attempt is made to read an interlaced image when it's not supported.
- Added check if png_ptr->trans is defined before freeing it in pngread.c
- Modified the Y2K statement to include versions back to version 0.71
- Fixed a bug in the check for valid IHDR bit_depth/color_types in pngrutil.c
- Modified makefile.wat (added -zp8 flag, ".symbolic", changed some comments)
- Replaced leading blanks with tab characters in makefile.hux
- Changed "dworkin.wustl.edu" to "ccrc.wustl.edu" in various documents.
- Changed (float)red and (float)green to (double)red, (double)green
- in png_set_rgb_to_gray() to avoid "promotion" problems in AIX.
- Fixed a bug in pngconf.h that omitted <stdio.h> when PNG_DEBUG==0 (K Bracey).
- Reformatted libpng.3 and libpngpf.3 with proper fonts (script by J. vanZandt).
- Updated documentation to refer to the PNG-1.2 specification.
- Removed ansi2knr.c and left pointers to the latest source for ansi2knr.c
- in makefile.knr, INSTALL, and README (L. Peter Deutsch)
- Fixed bugs in calculation of the length of rowbytes when adding alpha
- channels to 16-bit images, in pngrtran.c (Chris Nokleberg)
- Added function png_set_user_transform_info() to store user_transform_ptr,
- user_depth, and user_channels into the png_struct, and a function
- png_get_user_transform_ptr() to retrieve the pointer (Chris Nokleberg)
- Added function png_set_empty_plte_permitted() to make libpng useable
- in MNG applications.
- Corrected the typedef for png_free_ptr in png.h (Jesse Jones).
- Correct gamma with srgb is 45455 instead of 45000 in pngrutil.c, to be
- consistent with PNG-1.2, and allow variance of 500 before complaining.
- Added assembler code contributed by Intel in file pngvcrd.c and modified
- makefile.w32 to use it (Nirav Chhatrapati, INTEL Corporation, Gilles Vollant)
- Changed "ln -s -f" to "ln -f -s" in the makefiles to make Solaris happy.
- Added some aliases for png_set_expand() in pngrtran.c, namely
- png_set_expand_PLTE(), png_set_expand_depth(), and png_set_expand_tRNS()
- (Greg Roelofs, in "PNG: The Definitive Guide").
- Added makefile.beo for BEOS on X86, contributed by Sander Stok.
-version 1.0.3b [August 26, 1999]
- Replaced 2147483647L several places with PNG_MAX_UINT macro, defined in png.h
- Changed leading blanks to tabs in all makefiles.
- Define PNG_USE_PNGVCRD in makefile.w32, to get MMX assembler code.
- Made alternate versions of png_set_expand() in pngrtran.c, namely
- png_set_gray_1_2_4_to_8, png_set_palette_to_rgb, and png_set_tRNS_to_alpha
- (Greg Roelofs, in "PNG: The Definitive Guide"). Deleted the 1.0.3a aliases.
- Relocated start of 'extern "C"' block in png.h so it doesn't include pngconf.h
- Revised calculation of num_blocks in pngmem.c to avoid a potentially
- negative shift distance, whose results are undefined in the C language.
- Added a check in pngset.c to prevent writing multiple tIME chunks.
- Added a check in pngwrite.c to detect invalid small window_bits sizes.
-version 1.0.3d [September 4, 1999]
- Fixed type casting of igamma in pngrutil.c
- Added new png_expand functions to scripts/pngdef.pas and pngos2.def
- Added a demo read_user_transform_fn that examines the row filters in pngtest.c
-
-version 1.0.4 [September 24, 1999]
- Define PNG_ALWAYS_EXTERN in pngconf.h if __STDC__ is defined
- Delete #define PNG_INTERNAL and include "png.h" from pngasmrd.h
- Made several minor corrections to pngtest.c
- Renamed the makefiles with longer but more user friendly extensions.
- Copied the PNG copyright and license to a separate LICENSE file.
- Revised documentation, png.h, and example.c to remove reference to
- "viewing_gamma" which no longer appears in the PNG specification.
- Revised pngvcrd.c to use MMX code for interlacing only on the final pass.
- Updated pngvcrd.c to use the faster C filter algorithms from libpng-1.0.1a
- Split makefile.win32vc into two versions, makefile.vcawin32 (uses MMX
- assembler code) and makefile.vcwin32 (doesn't).
- Added a CPU timing report to pngtest.c (enabled by defining PNGTEST_TIMING)
- Added a copy of pngnow.png to the distribution.
-version 1.0.4a [September 25, 1999]
- Increase max_pixel_depth in pngrutil.c if a user transform needs it.
- Changed several division operations to right-shifts in pngvcrd.c
-version 1.0.4b [September 30, 1999]
- Added parentheses in line 3732 of pngvcrd.c
- Added a comment in makefile.linux warning about buggy -O3 in pgcc 2.95.1
-version 1.0.4c [October 1, 1999]
- Added a "png_check_version" function in png.c and pngtest.c that will generate
- a helpful compiler error if an old png.h is found in the search path.
- Changed type of png_user_transform_depth|channels from int to png_byte.
-version 1.0.4d [October 6, 1999]
- Changed 0.45 to 0.45455 in png_set_sRGB()
- Removed unused PLTE entries from pngnow.png
- Re-enabled some parts of pngvcrd.c (png_combine_row) that work properly.
-version 1.0.4e [October 10, 1999]
- Fixed sign error in pngvcrd.c (Greg Roelofs)
- Replaced some instances of memcpy with simple assignments in pngvcrd (GR-P)
-version 1.0.4f [October 15, 1999]
- Surrounded example.c code with #if 0 .. #endif to prevent people from
- inadvertently trying to compile it.
- Changed png_get_header_version() from a function to a macro in png.h
- Added type casting mostly in pngrtran.c and pngwtran.c
- Removed some pointless "ptr = NULL" in pngmem.c
- Added a "contrib" directory containing the source code from Greg's book.
-
-version 1.0.5 [October 15, 1999]
- Minor editing of the INSTALL and README files.
-version 1.0.5a [October 23, 1999]
- Added contrib/pngsuite and contrib/pngminus (Willem van Schaik)
- Fixed a typo in the png_set_sRGB() function call in example.c (Jan Nijtmans)
- Further optimization and bugfix of pngvcrd.c
- Revised pngset.c so that it does not allocate or free memory in the user's
- text_ptr structure. Instead, it makes its own copy.
- Created separate write_end_info_struct in pngtest.c for a more severe test.
- Added code in pngwrite.c to free info_ptr->text[i].key to stop a memory leak.
-version 1.0.5b [November 23, 1999]
- Moved PNG_FLAG_HAVE_CHUNK_HEADER, PNG_FLAG_BACKGROUND_IS_GRAY and
- PNG_FLAG_WROTE_tIME from flags to mode.
- Added png_write_info_before_PLTE() function.
- Fixed some typecasting in contrib/gregbook/*.c
- Updated scripts/makevms.com and added makevms.com to contrib/gregbook
- and contrib/pngminus (Martin Zinser)
-version 1.0.5c [November 26, 1999]
- Moved png_get_header_version from png.h to png.c, to accommodate ansi2knr.
- Removed all global arrays (according to PNG_NO_GLOBAL_ARRAYS macro), to
- accommodate making DLL's: Moved usr_png_ver from global variable to function
- png_get_header_ver() in png.c. Moved png_sig to png_sig_bytes in png.c and
- eliminated use of png_sig in pngwutil.c. Moved the various png_CHNK arrays
- into pngtypes.h. Eliminated use of global png_pass arrays. Declared the
- png_CHNK and png_pass arrays to be "const". Made the global arrays
- available to applications (although none are used in libpng itself) when
- PNG_NO_GLOBAL_ARRAYS is not defined or when PNG_GLOBAL_ARRAYS is defined.
- Removed some extraneous "-I" from contrib/pngminus/makefile.std
- Changed the PNG_sRGB_INTENT macros in png.h to be consistent with PNG-1.2.
- Change PNG_SRGB_INTENT to PNG_sRGB_INTENT in libpng.txt and libpng.3
-version 1.0.5d [November 29, 1999]
- Add type cast (png_const_charp) two places in png.c
- Eliminated pngtypes.h; use macros instead to declare PNG_CHNK arrays.
- Renamed "PNG_GLOBAL_ARRAYS" to "PNG_USE_GLOBAL_ARRAYS" and made available
- to applications a macro "PNG_USE_LOCAL_ARRAYS".
- #ifdef out all the new declarations when PNG_USE_GLOBAL_ARRAYS is defined.
- Added PNG_EXPORT_VAR macro to accommodate making DLL's.
-version 1.0.5e [November 30, 1999]
- Added iCCP, iTXt, and sPLT support; added "lang" member to the png_text
- structure; refactored the inflate/deflate support to make adding new chunks
- with trailing compressed parts easier in the future, and added new functions
- png_free_iCCP, png_free_pCAL, png_free_sPLT, png_free_text, png_get_iCCP,
- png_get_spalettes, png_set_iCCP, png_set_spalettes (Eric S. Raymond).
- NOTE: Applications that write text chunks MUST define png_text->lang
- before calling png_set_text(). It must be set to NULL if you want to
- write tEXt or zTXt chunks. If you want your application to be able to
- run with older versions of libpng, use
-
- #ifdef PNG_iTXt_SUPPORTED
- png_text[i].lang = NULL;
- #endif
-
- Changed png_get_oFFs() and png_set_oFFs() to use signed rather than unsigned
- offsets (Eric S. Raymond).
- Combined PNG_READ_cHNK_SUPPORTED and PNG_WRITE_cHNK_SUPPORTED macros into
- PNG_cHNK_SUPPORTED and combined the three types of PNG_text_SUPPORTED
- macros, leaving the separate macros also available.
- Removed comments on #endifs at the end of many short, non-nested #if-blocks.
-version 1.0.5f [December 6, 1999]
- Changed makefile.solaris to issue a warning about potential problems when
- the ucb "ld" is in the path ahead of the ccs "ld".
- Removed "- [date]" from the "synopsis" line in libpng.3 and libpngpf.3.
- Added sCAL chunk support (Eric S. Raymond).
-version 1.0.5g [December 7, 1999]
- Fixed "png_free_spallettes" typo in png.h
- Added code to handle new chunks in pngpread.c
- Moved PNG_CHNK string macro definitions outside of PNG_NO_EXTERN block
- Added "translated_key" to png_text structure and png_write_iTXt().
- Added code in pngwrite.c to work around a newly discovered zlib bug.
-version 1.0.5h [December 10, 1999]
- NOTE: regarding the note for version 1.0.5e, the following must also
- be included in your code:
- png_text[i].translated_key = NULL;
- Unknown chunk handling is now supported.
- Option to eliminate all floating point support was added. Some new
- fixed-point functions such as png_set_gAMA_fixed() were added.
- Expanded tabs and removed trailing blanks in source files.
-version 1.0.5i [December 13, 1999]
- Added some type casts to silence compiler warnings.
- Renamed "png_free_spalette" to "png_free_spalettes" for consistency.
- Removed leading blanks from a #define in pngvcrd.c
- Added some parameters to the new png_set_keep_unknown_chunks() function.
- Added a test for up->location != 0 in the first instance of writing
- unknown chunks in pngwrite.c
- Changed "num" to "i" in png_free_spalettes() and png_free_unknowns() to
- prevent recursion.
- Added png_free_hIST() function.
- Various patches to fix bugs in the sCAL and integer cHRM processing,
- and to add some convenience macros for use with sCAL.
-version 1.0.5j [December 21, 1999]
- Changed "unit" parameter of png_write_sCAL from png_byte to int, to work
- around buggy compilers.
- Added new type "png_fixed_point" for integers that hold float*100000 values
- Restored backward compatibility of tEXt/zTXt chunk processing:
- Restored the first four members of png_text to the same order as v.1.0.5d.
- Added members "lang_key" and "itxt_length" to png_text struct. Set
- text_length=0 when "text" contains iTXt data. Use the "compression"
- member to distinguish among tEXt/zTXt/iTXt types. Added
- PNG_ITXT_COMPRESSION_NONE (1) and PNG_ITXT_COMPRESSION_zTXt(2) macros.
- The "Note" above, about backward incompatibility of libpng-1.0.5e, no
- longer applies.
- Fixed png_read|write_iTXt() to read|write parameters in the right order,
- and to write the iTXt chunk after IDAT if it appears in the end_ptr.
- Added pnggccrd.c, version of pngvcrd.c Intel assembler for gcc (Greg Roelofs)
- Reversed the order of trying to write floating-point and fixed-point gAMA.
-version 1.0.5k [December 27, 1999]
- Added many parentheses, e.g., "if (a && b & c)" becomes "if (a && (b & c))"
- Added png_handle_as_unknown() function (Glenn)
- Added png_free_chunk_list() function and chunk_list and num_chunk_list members
- of png_ptr.
- Eliminated erroneous warnings about multiple sPLT chunks and sPLT-after-PLTE.
- Fixed a libpng-1.0.5h bug in pngrutil.c that was issuing erroneous warnings
- about ignoring incorrect gAMA with sRGB (gAMA was in fact not ignored)
- Added png_free_tRNS(); png_set_tRNS() now malloc's its own trans array (ESR).
- Define png_get_int_32 when oFFs chunk is supported as well as when pCAL is.
- Changed type of proflen from png_int_32 to png_uint_32 in png_get_iCCP().
-version 1.0.5l [January 1, 2000]
- Added functions png_set_read_user_chunk_fn() and png_get_user_chunk_ptr()
- for setting a callback function to handle unknown chunks and for
- retrieving the associated user pointer (Glenn).
-version 1.0.5m [January 7, 2000]
- Added high-level functions png_read_png(), png_write_png(), png_free_pixels().
-version 1.0.5n [January 9, 2000]
- Added png_free_PLTE() function, and modified png_set_PLTE() to malloc its
- own memory for info_ptr->palette. This makes it safe for the calling
- application to free its copy of the palette any time after it calls
- png_set_PLTE().
-version 1.0.5o [January 20, 2000]
- Cosmetic changes only (removed some trailing blanks and TABs)
-version 1.0.5p [January 31, 2000]
- Renamed pngdll.mak to makefile.bd32
- Cosmetic changes in pngtest.c
-version 1.0.5q [February 5, 2000]
- Relocated the makefile.solaris warning about PATH problems.
- Fixed pngvcrd.c bug by pushing/popping registers in mmxsupport (Bruce Oberg)
- Revised makefile.gcmmx
- Added PNG_SETJMP_SUPPORTED, PNG_SETJMP_NOT_SUPPORTED, and PNG_ABORT() macros
-version 1.0.5r [February 7, 2000]
- Removed superfluous prototype for png_get_itxt from png.h
- Fixed a bug in pngrtran.c that improperly expanded the background color.
- Return *num_text=0 from png_get_text() when appropriate, and fix documentation
- of png_get_text() in libpng.txt/libpng.3.
-version 1.0.5s [February 18, 2000]
- Added "png_jmp_env()" macro to pngconf.h, to help people migrate to the
- new error handler that's planned for the next libpng release, and changed
- example.c, pngtest.c, and contrib programs to use this macro.
- Revised some of the DLL-export macros in pngconf.h (Greg Roelofs)
- Fixed a bug in png_read_png() that caused it to fail to expand some images
- that it should have expanded.
- Fixed some mistakes in the unused and undocumented INCH_CONVERSIONS functions
- in pngget.c
- Changed the allocation of palette, history, and trans arrays back to
- the version 1.0.5 method (linking instead of copying) which restores
- backward compatibility with version 1.0.5. Added some remarks about
- that in example.c. Added "free_me" member to info_ptr and png_ptr
- and added png_free_data() function.
- Updated makefile.linux and makefile.gccmmx to make directories conditionally.
- Made cosmetic changes to pngasmrd.h
- Added png_set_rows() and png_get_rows(), for use with png_read|write_png().
- Modified png_read_png() to allocate info_ptr->row_pointers only if it
- hasn't already been allocated.
-version 1.0.5t [March 4, 2000]
- Changed png_jmp_env() migration aiding macro to png_jmpbuf().
- Fixed "interlace" typo (should be "interlaced") in contrib/gregbook/read2-x.c
- Fixed bug with use of PNG_BEFORE_IHDR bit in png_ptr->mode, introduced when
- PNG_FLAG_HAVE_CHUNK_HEADER was moved into png_ptr->mode in version 1.0.5b
- Files in contrib/gregbook were revised to use png_jmpbuf() and to select
- a 24-bit visual if one is available, and to allow abbreviated options.
- Files in contrib/pngminus were revised to use the png_jmpbuf() macro.
- Removed spaces in makefile.linux and makefile.gcmmx, introduced in 1.0.5s
-version 1.0.5u [March 5, 2000]
- Simplified the code that detects old png.h in png.c and pngtest.c
- Renamed png_spalette (_p, _pp) to png_sPLT_t (_tp, _tpp)
- Increased precision of rgb_to_gray calculations from 8 to 15 bits and
- added png_set_rgb_to_gray_fixed() function.
- Added makefile.bc32 (32-bit Borland C++, C mode)
-version 1.0.5v [March 11, 2000]
- Added some parentheses to the png_jmpbuf macro definition.
- Updated references to the zlib home page, which has moved to freesoftware.com.
- Corrected bugs in documentation regarding png_read_row() and png_write_row().
- Updated documentation of png_rgb_to_gray calculations in libpng.3/libpng.txt.
- Renamed makefile.borland,turboc3 back to makefile.bor,tc3 as in version 1.0.3,
- revised borland makefiles; added makefile.ibmvac3 and makefile.gcc (Cosmin)
-
-version 1.0.6 [March 20, 2000]
- Minor revisions of makefile.bor, libpng.txt, and gregbook/rpng2-win.c
- Added makefile.sggcc (SGI IRIX with gcc)
-version 1.0.6d [April 7, 2000]
- Changed sprintf() to strcpy() in png_write_sCAL_s() to work without STDIO
- Added data_length parameter to png_decompress_chunk() function
- Revised documentation to remove reference to abandoned png_free_chnk functions
- Fixed an error in png_rgb_to_gray_fixed()
- Revised example.c, usage of png_destroy_write_struct().
- Renamed makefile.ibmvac3 to makefile.ibmc, added libpng.icc IBM project file
- Added a check for info_ptr->free_me&PNG_FREE_TEXT when freeing text in png.c
- Simplify png_sig_bytes() function to remove use of non-ISO-C strdup().
-version 1.0.6e [April 9, 2000]
- Added png_data_freer() function.
- In the code that checks for over-length tRNS chunks, added check of
- info_ptr->num_trans as well as png_ptr->num_trans (Matthias Benckmann)
- Minor revisions of libpng.txt/libpng.3.
- Check for existing data and free it if the free_me flag is set, in png_set_*()
- and png_handle_*().
- Only define PNG_WEIGHTED_FILTERS_SUPPORTED when PNG_FLOATING_POINT_SUPPORTED
- is defined.
- Changed several instances of PNG_NO_CONSOLE_ID to PNG_NO_STDIO in pngrutil.c
- and mentioned the purposes of the two macros in libpng.txt/libpng.3.
-version 1.0.6f [April 14, 2000]
- Revised png_set_iCCP() and png_set_rows() to avoid prematurely freeing data.
- Add checks in png_set_text() for NULL members of the input text structure.
- Revised libpng.txt/libpng.3.
- Removed superfluous prototype for png_set_itxt from png.h
- Removed "else" from pngread.c, after png_error(), and changed "0" to "length".
- Changed several png_errors about malformed ancillary chunks to png_warnings.
-version 1.0.6g [April 24, 2000]
- Added png_pass-* arrays to pnggccrd.c when PNG_USE_LOCAL_ARRAYS is defined.
- Relocated paragraph about png_set_background() in libpng.3/libpng.txt
- and other revisions (Matthias Benckmann)
- Relocated info_ptr->free_me, png_ptr->free_me, and other info_ptr and
- png_ptr members to restore binary compatibility with libpng-1.0.5
- (breaks compatibility with libpng-1.0.6).
-version 1.0.6h [April 24, 2000]
- Changed shared library so-number pattern from 2.x.y.z to xy.z (this builds
- libpng.so.10 & libpng.so.10.6h instead of libpng.so.2 & libpng.so.2.1.0.6h)
- This is a temporary change for test purposes.
-version 1.0.6i [May 2, 2000]
- Rearranged some members at the end of png_info and png_struct, to put
- unknown_chunks_num and free_me within the original size of the png_structs
- and free_me, png_read_user_fn, and png_free_fn within the original png_info,
- because some old applications allocate the structs directly instead of
- using png_create_*().
- Added documentation of user memory functions in libpng.txt/libpng.3
- Modified png_read_png so that it will use user_allocated row_pointers
- if present, unless free_me directs that it be freed, and added description
- of the use of png_set_rows() and png_get_rows() in libpng.txt/libpng.3.
- Added PNG_LEGACY_SUPPORTED macro, and #ifdef out all new (since version
- 1.00) members of png_struct and png_info, to regain binary compatibility
- when you define this macro. Capabilities lost in this event
- are user transforms (new in version 1.0.0),the user transform pointer
- (new in version 1.0.2), rgb_to_gray (new in 1.0.5), iCCP, sCAL, sPLT,
- the high-level interface, and unknown chunks support (all new in 1.0.6).
- This was necessary because of old applications that allocate the structs
- directly as authors were instructed to do in libpng-0.88 and earlier,
- instead of using png_create_*().
- Added modes PNG_CREATED_READ_STRUCT and PNG_CREATED_WRITE_STRUCT which
- can be used to detect codes that directly allocate the structs, and
- code to check these modes in png_read_init() and png_write_init() and
- generate a libpng error if the modes aren't set and PNG_LEGACY_SUPPORTED
- was not defined.
- Added makefile.intel and updated makefile.watcom (Pawel Mrochen)
-version 1.0.6j [May 3, 2000]
- Overloaded png_read_init() and png_write_init() with macros that convert
- calls to png_read_init_2() or png_write_init_2() that check the version
- and structure sizes.
-version 1.0.7beta11 [May 7, 2000]
- Removed the new PNG_CREATED_READ_STRUCT and PNG_CREATED_WRITE_STRUCT modes
- which are no longer used.
- Eliminated the three new members of png_text when PNG_LEGACY_SUPPORTED is
- defined or when neither PNG_READ_iTXt_SUPPORTED nor PNG_WRITE_iTXT_SUPPORTED
- is defined.
- Made PNG_NO_READ|WRITE_iTXt the default setting, to avoid memory
- overrun when old applications fill the info_ptr->text structure directly.
- Added PNGAPI macro, and added it to the definitions of all exported functions.
- Relocated version macro definitions ahead of the includes of zlib.h and
- pngconf.h in png.h.
-version 1.0.7beta12 [May 12, 2000]
- Revised pngset.c to avoid a problem with expanding the png_debug macro.
- Deleted some extraneous defines from pngconf.h
- Made PNG_NO_CONSOLE_IO the default condition when PNG_BUILD_DLL is defined.
- Use MSC _RPTn debugging instead of fprintf if _MSC_VER is defined.
- Added png_access_version_number() function.
- Check for mask&PNG_FREE_CHNK (for TEXT, SCAL, PCAL) in png_free_data().
- Expanded libpng.3/libpng.txt information about png_data_freer().
-version 1.0.7beta14 [May 17, 2000] (beta13 was not published)
- Changed pnggccrd.c and pngvcrd.c to handle bad adaptive filter types as
- warnings instead of errors, as pngrutil.c does.
- Set the PNG_INFO_IDAT valid flag in png_set_rows() so png_write_png()
- will actually write IDATs.
- Made the default PNG_USE_LOCAL_ARRAYS depend on PNG_DLL instead of WIN32.
- Make png_free_data() ignore its final parameter except when freeing data
- that can have multiple instances (text, sPLT, unknowns).
- Fixed a new bug in png_set_rows().
- Removed info_ptr->valid tests from png_free_data(), as in version 1.0.5.
- Added png_set_invalid() function.
- Fixed incorrect illustrations of png_destroy_write_struct() in example.c.
-version 1.0.7beta15 [May 30, 2000]
- Revised the deliberately erroneous Linux setjmp code in pngconf.h to produce
- fewer error messages.
- Rearranged checks for Z_OK to check the most likely path first in pngpread.c
- and pngwutil.c.
- Added checks in pngtest.c for png_create_*() returning NULL, and mentioned
- in libpng.txt/libpng.3 the need for applications to check this.
- Changed names of png_default_*() functions in pngtest to pngtest_*().
- Changed return type of png_get_x|y_offset_*() from png_uint_32 to png_int_32.
- Fixed some bugs in the unused PNG_INCH_CONVERSIONS functions in pngget.c
- Set each pointer to NULL after freeing it in png_free_data().
- Worked around a problem in pngconf.h; AIX's strings.h defines an "index"
- macro that conflicts with libpng's png_color_16.index. (Dimitri Papadapoulos)
- Added "msvc" directory with MSVC++ project files (Simon-Pierre Cadieux).
-version 1.0.7beta16 [June 4, 2000]
- Revised the workaround of AIX string.h "index" bug.
- Added a check for overlength PLTE chunk in pngrutil.c.
- Added PNG_NO_POINTER_INDEXING macro to use array-indexing instead of pointer
- indexing in pngrutil.c and pngwutil.c to accommodate a buggy compiler.
- Added a warning in png_decompress_chunk() when it runs out of data, e.g.
- when it tries to read an erroneous PhotoShop iCCP chunk.
- Added PNG_USE_DLL macro.
- Revised the copyright/disclaimer/license notice.
- Added contrib/msvctest directory
-version 1.0.7rc1 [June 9, 2000]
- Corrected the definition of PNG_TRANSFORM_INVERT_ALPHA (0x0400 not 0x0200)
- Added contrib/visupng directory (Willem van Schaik)
-version 1.0.7beta18 [June 23, 2000]
- Revised PNGAPI definition, and pngvcrd.c to work with __GCC__
- and do not redefine PNGAPI if it is passed in via a compiler directive.
- Revised visupng/PngFile.c to remove returns from within the Try block.
- Removed leading underscores from "_PNG_H" and "_PNG_SAVE_BSD_SOURCE" macros.
- Updated contrib/visupng/cexcept.h to version 1.0.0.
- Fixed bugs in pngwrite.c and pngwutil.c that prevented writing iCCP chunks.
-version 1.0.7rc2 [June 28, 2000]
- Updated license to include disclaimers required by UCITA.
- Fixed "DJBPP" typo in pnggccrd.c introduced in beta18.
-
-version 1.0.7 [July 1, 2000]
- Revised the definition of "trans_values" in libpng.3/libpng.txt
-version 1.0.8beta1 [July 8, 2000]
- Added png_free(png_ptr, key) two places in pngpread.c to stop memory leaks.
- Changed PNG_NO_STDIO to PNG_NO_CONSOLE_IO, several places in pngrutil.c and
- pngwutil.c.
- Changed PNG_EXPORT_VAR to use PNG_IMPEXP, in pngconf.h.
- Removed unused "#include <assert.h>" from png.c
- Added WindowsCE support.
- Revised pnggccrd.c to work with gcc-2.95.2 and in the Cygwin environment.
-version 1.0.8beta2 [July 10, 2000]
- Added project files to the wince directory and made further revisions
- of pngtest.c, pngrio.c, and pngwio.c in support of WindowsCE.
-version 1.0.8beta3 [July 11, 2000]
- Only set the PNG_FLAG_FREE_TRNS or PNG_FREE_TRNS flag in png_handle_tRNS()
- for indexed-color input files to avoid potential double-freeing trans array
- under some unusual conditions; problem was introduced in version 1.0.6f.
- Further revisions to pngtest.c and files in the wince subdirectory.
-version 1.0.8beta4 [July 14, 2000]
- Added the files pngbar.png and pngbar.jpg to the distribution.
- Added makefile.cygwin, and cygwin support in pngconf.h
- Added PNG_NO_ZALLOC_ZERO macro (makes png_zalloc skip zeroing memory)
-version 1.0.8rc1 [July 16, 2000]
- Revised png_debug() macros and statements to eliminate compiler warnings.
-
-version 1.0.8 [July 24, 2000]
- Added png_flush() in pngwrite.c, after png_write_IEND().
- Updated makefile.hpux to build a shared library.
-version 1.0.9beta1 [November 10, 2000]
- Fixed typo in scripts/makefile.hpux
- Updated makevms.com in scripts and contrib/* and contrib/* (Martin Zinser)
- Fixed seqence-point bug in contrib/pngminus/png2pnm (Martin Zinser)
- Changed "cdrom.com" in documentation to "libpng.org"
- Revised pnggccrd.c to get it all working, and updated makefile.gcmmx (Greg).
- Changed type of "params" from voidp to png_voidp in png_read|write_png().
- Make sure PNGAPI and PNG_IMPEXP are defined in pngconf.h.
- Revised the 3 instances of WRITEFILE in pngtest.c.
- Relocated "msvc" and "wince" project subdirectories into "dll" subdirectory.
- Updated png.rc in dll/msvc project
- Revised makefile.dec to define and use LIBPATH and INCPATH
- Increased size of global png_libpng_ver[] array from 12 to 18 chars.
- Made global png_libpng_ver[], png_sig[] and png_pass_*[] arrays const.
- Removed duplicate png_crc_finish() from png_handle_bKGD() function.
- Added a warning when application calls png_read_update_info() multiple times.
- Revised makefile.cygwin
- Fixed bugs in iCCP support in pngrutil.c and pngwutil.c.
- Replaced png_set_empty_plte_permitted() with png_permit_mng_features().
-version 1.0.9beta2 [November 19, 2000]
- Renamed the "dll" subdirectory "projects".
- Added borland project files to "projects" subdirectory.
- Set VS_FF_PRERELEASE and VS_FF_PATCHED flags in msvc/png.rc when appropriate.
- Add error message in png_set_compression_buffer_size() when malloc fails.
-version 1.0.9beta3 [November 23, 2000]
- Revised PNG_LIBPNG_BUILD_TYPE macro in png.h, used in the msvc project.
- Removed the png_flush() in pngwrite.c that crashes some applications
- that don't set png_output_flush_fn.
- Added makefile.macosx and makefile.aix to scripts directory.
-version 1.0.9beta4 [December 1, 2000]
- Change png_chunk_warning to png_warning in png_check_keyword().
- Increased the first part of msg buffer from 16 to 18 in png_chunk_error().
-version 1.0.9beta5 [December 15, 2000]
- Added support for filter method 64 (for PNG datastreams embedded in MNG).
-version 1.0.9beta6 [December 18, 2000]
- Revised png_set_filter() to accept filter method 64 when appropriate.
- Added new PNG_HAVE_PNG_SIGNATURE bit to png_ptr->mode and use it to
- help prevent applications from using MNG features in PNG datastreams.
- Added png_permit_mng_features() function.
- Revised libpng.3/libpng.txt. Changed "filter type" to "filter method".
-version 1.0.9rc1 [December 23, 2000]
- Revised test for PNG_HAVE_PNG_SIGNATURE in pngrutil.c
- Fixed error handling of unknown compression type in png_decompress_chunk().
- In pngconf.h, define __cdecl when _MSC_VER is defined.
-version 1.0.9beta7 [December 28, 2000]
- Changed PNG_TEXT_COMPRESSION_zTXt to PNG_COMPRESSION_TYPE_BASE several places.
- Revised memory management in png_set_hIST and png_handle_hIST in a backward
- compatible manner. PLTE and tRNS were revised similarly.
- Revised the iCCP chunk reader to ignore trailing garbage.
-version 1.0.9beta8 [January 12, 2001]
- Moved pngasmrd.h into pngconf.h.
- Improved handling of out-of-spec garbage iCCP chunks generated by PhotoShop.
-version 1.0.9beta9 [January 15, 2001]
- Added png_set_invalid, png_permit_mng_features, and png_mmx_supported to
- wince and msvc project module definition files.
- Minor revision of makefile.cygwin.
- Fixed bug with progressive reading of narrow interlaced images in pngpread.c
-version 1.0.9beta10 [January 16, 2001]
- Do not typedef png_FILE_p in pngconf.h when PNG_NO_STDIO is defined.
- Fixed "png_mmx_supported" typo in project definition files.
-version 1.0.9beta11 [January 19, 2001]
- Updated makefile.sgi to make shared library.
- Removed png_mmx_support() function and disabled PNG_MNG_FEATURES_SUPPORTED
- by default, for the benefit of DLL forward compatibility. These will
- be re-enabled in version 1.2.0.
-version 1.0.9rc2 [January 22, 2001]
- Revised cygwin support.
-
-version 1.0.9 [January 31, 2001]
- Added check of cygwin's ALL_STATIC in pngconf.h
- Added "-nommx" parameter to contrib/gregbook/rpng2-win and rpng2-x demos.
-version 1.0.10beta1 [March 14, 2001]
- Revised makefile.dec, makefile.sgi, and makefile.sggcc; added makefile.hpgcc.
- Reformatted libpng.3 to eliminate bad line breaks.
- Added checks for _mmx_supported in the read_filter_row function of pnggccrd.c
- Added prototype for png_mmx_support() near the top of pnggccrd.c
- Moved some error checking from png_handle_IHDR to png_set_IHDR.
- Added PNG_NO_READ_SUPPORTED and PNG_NO_WRITE_SUPPORTED macros.
- Revised png_mmx_support() function in pnggccrd.c
- Restored version 1.0.8 PNG_WRITE_EMPTY_PLTE_SUPPORTED behavior in pngwutil.c
- Fixed memory leak in contrib/visupng/PngFile.c
- Fixed bugs in png_combine_row() in pnggccrd.c and pngvcrd.c (C version)
- Added warnings when retrieving or setting gamma=0.
- Increased the first part of msg buffer from 16 to 18 in png_chunk_warning().
-version 1.0.10rc1 [March 23, 2001]
- Changed all instances of memcpy, strcpy, and strlen to png_memcpy, png_strcpy,
- and png_strlen.
- Revised png_mmx_supported() function in pnggccrd.c to return proper value.
- Fixed bug in progressive reading (pngpread.c) with small images (height < 8).
-
-version 1.0.10 [March 30, 2001]
- Deleted extraneous space (introduced in 1.0.9) from line 42 of makefile.cygwin
- Added beos project files (Chris Herborth)
-version 1.0.11beta1 [April 3, 2001]
- Added type casts on several png_malloc() calls (Dimitri Papadapoulos).
- Removed a no-longer needed AIX work-around from pngconf.h
- Changed several "//" single-line comments to C-style in pnggccrd.c
-version 1.0.11beta2 [April 11, 2001]
- Removed PNGAPI from several functions whose prototypes did not have PNGAPI.
- Updated scripts/pngos2.def
-version 1.0.11beta3 [April 14, 2001]
- Added checking the results of many instances of png_malloc() for NULL
-version 1.0.11beta4 [April 20, 2001]
- Undid the changes from version 1.0.11beta3. Added a check for NULL return
- from user's malloc_fn().
- Removed some useless type casts of the NULL pointer.
- Added makefile.netbsd
-
-version 1.0.11 [April 27, 2001]
- Revised makefile.netbsd
-version 1.0.12beta1 [May 14, 2001]
- Test for Windows platform in pngconf.h when including malloc.h (Emmanuel Blot)
- Updated makefile.cygwin and handling of Cygwin's ALL_STATIC in pngconf.h
- Added some never-to-be-executed code in pnggccrd.c to quiet compiler warnings.
- Eliminated the png_error about apps using png_read|write_init(). Instead,
- libpng will reallocate the png_struct and info_struct if they are too small.
- This retains future binary compatibility for old applications written for
- libpng-0.88 and earlier.
-version 1.2.0beta1 [May 6, 2001]
- Bumped DLLNUM to 2.
- Re-enabled PNG_MNG_FEATURES_SUPPORTED and enabled PNG_ASSEMBLER_CODE_SUPPORTED
- by default.
- Added runtime selection of MMX features.
- Added png_set_strip_error_numbers function and related macros.
-version 1.2.0beta2 [May 7, 2001]
- Finished merging 1.2.0beta1 with version 1.0.11
- Added a check for attempts to read or write PLTE in grayscale PNG datastreams.
-version 1.2.0beta3 [May 17, 2001]
- Enabled user memory function by default.
- Modified png_create_struct so it passes user mem_ptr to user memory allocator.
- Increased png_mng_features flag from png_byte to png_uint_32.
- Bumped shared-library (so-number) and dll-number to 3.
-version 1.2.0beta4 [June 23, 2001]
- Check for missing profile length field in iCCP chunk and free chunk_data
- in case of truncated iCCP chunk.
- Bumped shared-library number to 3 in makefile.sgi and makefile.sggcc
- Bumped dll-number from 2 to 3 in makefile.cygwin
- Revised contrib/gregbook/rpng*-x.c to avoid a memory leak and to exit cleanly
- if user attempts to run it on an 8-bit display.
- Updated contrib/gregbook
- Use png_malloc instead of png_zalloc to allocate palette in pngset.c
- Updated makefile.ibmc
- Added some typecasts to eliminate gcc 3.0 warnings. Changed prototypes
- of png_write_oFFS width and height from png_uint_32 to png_int_32.
- Updated example.c
- Revised prototypes for png_debug_malloc and png_debug_free in pngtest.c
-version 1.2.0beta5 [August 8, 2001]
- Revised contrib/gregbook
- Revised makefile.gcmmx
- Revised pnggccrd.c to conditionally compile some thread-unsafe code only
- when PNG_THREAD_UNSAFE_OK is defined.
- Added tests to prevent pngwutil.c from writing a bKGD or tRNS chunk with
- value exceeding 2^bit_depth-1
- Revised makefile.sgi and makefile.sggcc
- Replaced calls to fprintf(stderr,...) with png_warning() in pnggccrd.c
- Removed restriction that do_invert_mono only operate on 1-bit opaque files
-
-version 1.2.0 [September 1, 2001]
- Changed a png_warning() to png_debug() in pnggccrd.c
- Fixed contrib/gregbook/rpng-x.c, rpng2-x.c to avoid crash with XFreeGC().
-version 1.2.1beta1 [October 19, 2001]
- Revised makefile.std in contrib/pngminus
- Include background_1 in png_struct regardless of gamma support.
- Revised makefile.netbsd and makefile.macosx, added makefile.darwin.
- Revised example.c to provide more details about using row_callback().
-version 1.2.1beta2 [October 25, 2001]
- Added type cast to each NULL appearing in a function call, except for
- WINCE functions.
- Added makefile.so9.
-version 1.2.1beta3 [October 27, 2001]
- Removed type casts from all NULLs.
- Simplified png_create_struct_2().
-version 1.2.1beta4 [November 7, 2001]
- Revised png_create_info_struct() and png_creat_struct_2().
- Added error message if png_write_info() was omitted.
- Type cast NULLs appearing in function calls when _NO_PROTO or
- PNG_TYPECAST_NULL is defined.
-version 1.2.1rc1 [November 24, 2001]
- Type cast NULLs appearing in function calls except when PNG_NO_TYPECAST_NULL
- is defined.
- Changed typecast of "size" argument to png_size_t in pngmem.c calls to
- the user malloc_fn, to agree with the prototype in png.h
- Added a pop/push operation to pnggccrd.c, to preserve Eflag (Maxim Sobolev)
- Updated makefile.sgi to recognize LIBPATH and INCPATH.
- Updated various makefiles so "make clean" does not remove previous major
- version of the shared library.
-version 1.2.1rc2 [December 4, 2001]
- Always allocate 256-entry internal palette, hist, and trans arrays, to
- avoid out-of-bounds memory reference caused by invalid PNG datastreams.
- Added a check for prefix_length > data_length in iCCP chunk handler.
-
-version 1.2.1 [December 7, 2001]
- None.
-version 1.2.2beta1 [February 22, 2002]
- Fixed a bug with reading the length of iCCP profiles (Larry Reeves).
- Revised makefile.linux, makefile.gcmmx, and makefile.sgi to generate
- libpng.a, libpng12.so (not libpng.so.3), and libpng12/png.h
- Revised makefile.darwin to remove "-undefined suppress" option.
- Added checks for gamma and chromaticity values over 21474.83, which exceed
- the limit for PNG unsigned 32-bit integers when encoded.
- Revised calls to png_create_read_struct() and png_create_write_struct()
- for simpler debugging.
- Revised png_zalloc() so zlib handles errors (uses PNG_FLAG_MALLOC_NULL_MEM_OK)
-version 1.2.2beta2 [February 23, 2002]
- Check chunk_length and idat_size for invalid (over PNG_MAX_UINT) lengths.
- Check for invalid image dimensions in png_get_IHDR.
- Added missing "fi;" in the install target of the SGI makefiles.
- Added install-static to all makefiles that make shared libraries.
- Always do gamma compensation when image is partially transparent.
-version 1.2.2beta3 [March 7, 2002]
- Compute background.gray and background_1.gray even when color_type is RGB
- in case image gets reduced to gray later.
- Modified shared-library makefiles to install pkgconfig/libpngNN.pc.
- Export (with PNGAPI) png_zalloc, png_zfree, and png_handle_as_unknown
- Removed unused png_write_destroy_info prototype from png.h
- Eliminated incorrect use of width_mmx from pnggccrd.c in pixel_bytes == 8 case
- Added install-shared target to all makefiles that make shared libraries.
- Stopped a double free of palette, hist, and trans when not using free_me.
- Added makefile.32sunu for Sun Ultra 32 and makefile.64sunu for Sun Ultra 64.
-version 1.2.2beta4 [March 8, 2002]
- Compute background.gray and background_1.gray even when color_type is RGB
- in case image gets reduced to gray later (Jason Summers).
- Relocated a misplaced /bin/rm in the "install-shared" makefile targets
- Added PNG_1_0_X macro which can be used to build a 1.0.x-compatible library.
-version 1.2.2beta5 [March 26, 2002]
- Added missing PNGAPI to several function definitions.
- Check for invalid bit_depth or color_type in png_get_IHDR(), and
- check for missing PLTE or IHDR in png_push_read_chunk() (Matthias Clasen).
- Revised iTXt support to accept NULL for lang and lang_key.
- Compute gamma for color components of background even when color_type is gray.
- Changed "()" to "{}" in scripts/libpng.pc.in.
- Revised makefiles to put png.h and pngconf.h only in $prefix/include/libpngNN
- Revised makefiles to make symlink to libpng.so.NN in addition to libpngNN.so
-version 1.2.2beta6 [March 31, 2002]
-version 1.0.13beta1 [March 31, 2002]
- Prevent png_zalloc() from trying to memset memory that it failed to acquire.
- Add typecasts of PNG_MAX_UINT in pngset_cHRM_fixed() (Matt Holgate).
- Ensure that the right function (user or default) is used to free the
- png_struct after an error in png_create_read_struct_2().
-version 1.2.2rc1 [April 7, 2002]
-version 1.0.13rc1 [April 7, 2002]
- Save the ebx register in pnggccrd.c (Sami Farin)
- Add "mem_ptr = png_ptr->mem_ptr" in png_destroy_write_struct() (Paul Gardner).
- Updated makefiles to put headers in include/libpng and remove old include/*.h.
-
-version 1.2.2 [April 15, 2002]
-version 1.0.13 [April 15, 2002]
- Revised description of png_set_filter() in libpng.3/libpng.txt.
- Revised makefile.netbsd and added makefile.neNNbsd and makefile.freebsd
-version 1.0.13patch01 [April 17, 2002]
-version 1.2.2patch01 [April 17, 2002]
- Changed ${PNGMAJ}.${PNGVER} bug to ${PNGVER} in makefile.sgi and makefile.sggcc
- Fixed VER -> PNGVER typo in makefile.macosx and added install-static to install
- Added install: target to makefile.32sunu and makefile.64sunu
-version 1.0.13patch03 [April 18, 2002]
-version 1.2.2patch03 [April 18, 2002]
- Revised 15 makefiles to link libpng.a to libpngNN.a and the include libpng
- subdirectory to libpngNN subdirectory without the full pathname.
- Moved generation of libpng.pc from "install" to "all" in 15 makefiles.
-version 1.2.3rc1 [April 28, 2002]
- Added install-man target to 15 makefiles (Dimitri Papadopolous-Orfanos).
- Added $(DESTDIR) feature to 24 makefiles (Tim Mooney)
- Fixed bug with $prefix, should be $(prefix) in makefile.hpux.
- Updated cygwin-specific portion of pngconf.h and revised makefile.cygwin
- Added a link from libpngNN.pc to libpng.pc in 15 makefiles.
- Added links from include/libpngNN/*.h to include/*.h in 24 makefiles.
- Revised makefile.darwin to make relative links without full pathname.
- Added setjmp() at the end of png_create_*_struct_2() in case user forgets
- to put one in their application.
- Restored png_zalloc() and png_zfree() prototypes to version 1.2.1 and
- removed them from module definition files.
-version 1.2.3rc2 [May 1, 2002]
- Fixed bug in reporting number of channels in pngget.c and pngset.c,
- that was introduced in version 1.2.2beta5.
- Exported png_zalloc(), png_zfree(), png_default_read(), png_default_write(),
- png_default_flush(), and png_push_fill_buffer() and included them in
- module definition files.
- Added "libpng.pc" dependency to the "install-shared" target in 15 makefiles.
-version 1.2.3rc3 [May 1, 2002]
- Revised prototype for png_default_flush()
- Remove old libpng.pc and libpngNN.pc before installing new ones.
-version 1.2.3rc4 [May 2, 2002]
- Typos in *.def files (png_default_read|write -> png_default_read|write_data)
- In makefiles, changed rm libpng.NN.pc to rm libpngNN.pc
- Added libpng-config and libpngNN-config and modified makefiles to install them.
- Changed $(MANPATH) to $(DESTDIR)$(MANPATH) in makefiles
- Added "Win32 DLL VB" configuration to projects/msvc/libpng.dsp
-version 1.2.3rc5 [May 11, 2002]
- Changed "error" and "message" in prototypes to "error_message" and
- "warning_message" to avoid namespace conflict.
- Revised 15 makefiles to build libpng-config from libpng-config-*.in
- Once more restored png_zalloc and png_zfree to regular nonexported form.
- Restored png_default_read|write_data, png_default_flush, png_read_fill_buffer
- to nonexported form, but with PNGAPI, and removed them from module def files.
-version 1.2.3rc6 [May 14, 2002]
- Removed "PNGAPI" from png_zalloc() and png_zfree() in png.c
- Changed "Gz" to "Gd" in projects/msvc/libpng.dsp and zlib.dsp.
- Removed leftover libpng-config "sed" script from four makefiles.
- Revised libpng-config creating script in 16 makefiles.
-
-version 1.2.3 [May 22, 2002]
- Revised libpng-config target in makefile.cygwin.
- Removed description of png_set_mem_fn() from documentation.
- Revised makefile.freebsd.
- Minor cosmetic changes to 15 makefiles, e.g., $(DI) = $(DESTDIR)/$(INCDIR).
- Revised projects/msvc/README.txt
- Changed -lpng to -lpngNN in LDFLAGS in several makefiles.
-version 1.2.4beta1 [May 24, 2002]
- Added libpng.pc and libpng-config to "all:" target in 16 makefiles.
- Fixed bug in 16 makefiles: $(DESTDIR)/$(LIBPATH) to $(DESTDIR)$(LIBPATH)
- Added missing "\" before closing double quote in makefile.gcmmx.
- Plugged various memory leaks; added png_malloc_warn() and png_set_text_2()
- functions.
-version 1.2.4beta2 [June 25, 2002]
- Plugged memory leak of png_ptr->current_text (Matt Holgate).
- Check for buffer overflow before reading CRC in pngpread.c (Warwick Allison)
- Added -soname to the loader flags in makefile.dec, makefile.sgi, and
- makefile.sggcc.
- Added "test-installed" target to makefile.linux, makefile.gcmmx,
- makefile.sgi, and makefile.sggcc.
-version 1.2.4beta3 [June 28, 2002]
- Plugged memory leak of row_buf in pngtest.c when there is a png_error().
- Detect buffer overflow in pngpread.c when IDAT is corrupted with extra data.
- Added "test-installed" target to makefile.32sunu, makefile.64sunu,
- makefile.beos, makefile.darwin, makefile.dec, makefile.macosx,
- makefile.solaris, makefile.hpux, makefile.hpgcc, and makefile.so9.
-version 1.2.4rc1 and 1.0.14rc1 [July 2, 2002]
- Added "test-installed" target to makefile.cygwin and makefile.sco.
- Revised pnggccrd.c to be able to back out version 1.0.x via PNG_1_0_X macro.
-
-version 1.2.4 and 1.0.14 [July 8, 2002]
- Changed png_warning() to png_error() when width is too large to process.
-version 1.2.4patch01 [July 20, 2002]
- Revised makefile.cygwin to use DLL number 12 instead of 13.
-version 1.2.5beta1 [August 6, 2002]
- Added code to contrib/gregbook/readpng2.c to ignore unused chunks.
- Replaced toucan.png in contrib/gregbook (it has been corrupt since 1.0.11)
- Removed some stray *.o files from contrib/gregbook.
- Changed png_error() to png_warning() about "Too much data" in pngpread.c
- and about "Extra compressed data" in pngrutil.c.
- Prevent png_ptr->pass from exceeding 7 in png_push_finish_row().
- Updated makefile.hpgcc
- Updated png.c and pnggccrd.c handling of return from png_mmx_support()
-version 1.2.5beta2 [August 15, 2002]
- Only issue png_warning() about "Too much data" in pngpread.c when avail_in
- is nonzero.
- Updated makefiles to install a separate libpng.so.3 with its own rpath.
-version 1.2.5rc1 and 1.0.15rc1 [August 24, 2002]
- Revised makefiles to not remove previous minor versions of shared libraries.
-version 1.2.5rc2 and 1.0.15rc2 [September 16, 2002]
- Revised 13 makefiles to remove "-lz" and "-L$(ZLIBLIB)", etc., from shared
- library loader directive.
- Added missing "$OBJSDLL" line to makefile.gcmmx.
- Added missing "; fi" to makefile.32sunu.
-version 1.2.5rc3 and 1.0.15rc3 [September 18, 2002]
- Revised libpng-config script.
-
-version 1.2.5 and 1.0.15 [October 3, 2002]
- Revised makefile.macosx, makefile.darwin, makefile.hpgcc, and makefile.hpux,
- and makefile.aix.
- Relocated two misplaced PNGAPI lines in pngtest.c
-version 1.2.6beta1 [October 22, 2002]
- Commented out warning about uninitialized mmx_support in pnggccrd.c.
- Changed "IBMCPP__" flag to "__IBMCPP__" in pngconf.h.
- Relocated two more misplaced PNGAPI lines in pngtest.c
- Fixed memory overrun bug in png_do_read_filler() with 16-bit datastreams,
- introduced in version 1.0.2.
- Revised makefile.macosx, makefile.dec, makefile.aix, and makefile.32sunu.
-version 1.2.6beta2 [November 1, 2002]
- Added libpng-config "--ldopts" output.
- Added "AR=ar" and "ARFLAGS=rc" and changed "ar rc" to "$(AR) $(ARFLAGS)"
- in makefiles.
-version 1.2.6beta3 [July 18, 2004]
- Reverted makefile changes from version 1.2.6beta2 and some of the changes
- from version 1.2.6beta1; these will be postponed until version 1.2.7.
- Version 1.2.6 is going to be a simple bugfix release.
- Changed the one instance of "ln -sf" to "ln -f -s" in each Sun makefile.
- Fixed potential overrun in pngerror.c by using strncpy instead of memcpy.
- Added "#!/bin/sh" at the top of configure, for recognition of the
- 'x' flag under Cygwin (Cosmin).
- Optimized vacuous tests that silence compiler warnings, in png.c (Cosmin).
- Added support for PNG_USER_CONFIG, in pngconf.h (Cosmin).
- Fixed the special memory handler for Borland C under DOS, in pngmem.c
- (Cosmin).
- Removed some spurious assignments in pngrutil.c (Cosmin).
- Replaced 65536 with 65536L, and 0xffff with 0xffffL, to silence warnings
- on 16-bit platforms (Cosmin).
- Enclosed shift op expressions in parentheses, to silence warnings (Cosmin).
- Used proper type png_fixed_point, to avoid problems on 16-bit platforms,
- in png_handle_sRGB() (Cosmin).
- Added compression_type to png_struct, and optimized the window size
- inside the deflate stream (Cosmin).
- Fixed definition of isnonalpha(), in pngerror.c and pngrutil.c (Cosmin).
- Fixed handling of unknown chunks that come after IDAT (Cosmin).
- Allowed png_error() and png_warning() to work even if png_ptr == NULL
- (Cosmin).
- Replaced row_info->rowbytes with row_bytes in png_write_find_filter()
- (Cosmin).
- Fixed definition of PNG_LIBPNG_VER_DLLNUM (Simon-Pierre).
- Used PNG_LIBPNG_VER and PNG_LIBPNG_VER_STRING instead of the hardcoded
- values in png.c (Simon-Pierre, Cosmin).
- Initialized png_libpng_ver[] with PNG_LIBPNG_VER_STRING (Simon-Pierre).
- Replaced PNG_LIBPNG_VER_MAJOR with PNG_LIBPNG_VER_DLLNUM in png.rc
- (Simon-Pierre).
- Moved the definition of PNG_HEADER_VERSION_STRING near the definitions
- of the other PNG_LIBPNG_VER_... symbols in png.h (Cosmin).
- Relocated #ifndef PNGAPI guards in pngconf.h (Simon-Pierre, Cosmin).
- Updated scripts/makefile.vc(a)win32 (Cosmin).
- Updated the MSVC project (Simon-Pierre, Cosmin).
- Updated the Borland C++ Builder project (Cosmin).
- Avoided access to asm_flags in pngvcrd.c, if PNG_1_0_X is defined (Cosmin).
- Commented out warning about uninitialized mmx_support in pngvcrd.c (Cosmin).
- Removed scripts/makefile.bd32 and scripts/pngdef.pas (Cosmin).
- Added extra guard around inclusion of Turbo C memory headers, in pngconf.h
- (Cosmin).
- Renamed projects/msvc/ to projects/visualc6/, and projects/borland/ to
- projects/cbuilder5/ (Cosmin).
- Moved projects/visualc6/png32ms.def to scripts/pngw32.def,
- and projects/visualc6/png.rc to scripts/pngw32.rc (Cosmin).
- Added projects/visualc6/pngtest.dsp; removed contrib/msvctest/ (Cosmin).
- Changed line endings to DOS style in cbuilder5 and visualc6 files, even
- in the tar.* distributions (Cosmin).
- Updated contrib/visupng/VisualPng.dsp (Cosmin).
- Updated contrib/visupng/cexcept.h to version 2.0.0 (Cosmin).
- Added a separate distribution with "configure" and supporting files (Junichi).
-version 1.2.6beta4 [July 28, 2004]
- Added user ability to change png_size_t via a PNG_SIZE_T macro.
- Added png_sizeof() and png_convert_size() functions.
- Added PNG_SIZE_MAX (maximum value of a png_size_t variable.
- Added check in png_malloc_default() for (size_t)size != (png_uint_32)size
- which would indicate an overflow.
- Changed sPLT failure action from png_error to png_warning and abandon chunk.
- Changed sCAL and iCCP failures from png_error to png_warning and abandon.
- Added png_get_uint_31(png_ptr, buf) function.
- Added PNG_UINT_32_MAX macro.
- Renamed PNG_MAX_UINT to PNG_UINT_31_MAX.
- Made png_zalloc() issue a png_warning and return NULL on potential
- overflow.
- Turn on PNG_NO_ZALLOC_ZERO by default in version 1.2.x
- Revised "clobber list" in pnggccrd.c so it will compile under gcc-3.4.
- Revised Borland portion of png_malloc() to return NULL or issue
- png_error() according to setting of PNG_FLAG_MALLOC_NULL_MEM_OK.
- Added PNG_NO_SEQUENTIAL_READ_SUPPORTED macro to conditionally remove
- sequential read support.
- Added some "#if PNG_WRITE_SUPPORTED" blocks.
- #ifdef'ed out some redundancy in png_malloc_default().
- Use png_malloc instead of png_zalloc to allocate the pallete.
-version 1.0.16rc1 and 1.2.6rc1 [August 4, 2004]
- Fixed buffer overflow vulnerability in png_handle_tRNS()
- Fixed integer arithmetic overflow vulnerability in png_read_png().
- Fixed some harmless bugs in png_handle_sBIT, etc, that would cause
- duplicate chunk types to go undetected.
- Fixed some timestamps in the -config version
- Rearranged order of processing of color types in png_handle_tRNS().
- Added ROWBYTES macro to calculate rowbytes without integer overflow.
- Updated makefile.darwin and removed makefile.macosx from scripts directory.
- Imposed default one million column, one-million row limits on the image
- dimensions, and added png_set_user_limits() function to override them.
- Revised use of PNG_SET_USER_LIMITS_SUPPORTED macro.
- Fixed wrong cast of returns from png_get_user_width|height_max().
- Changed some "keep the compiler happy" from empty statements to returns,
- Revised libpng.txt to remove 1.2.x stuff from the 1.0.x distribution
-version 1.0.16rc2 and 1.2.6rc2 [August 7, 2004]
- Revised makefile.darwin and makefile.solaris. Removed makefile.macosx.
- Revised pngtest's png_debug_malloc() to use png_malloc() instead of
- png_malloc_default() which is not supposed to be exported.
- Fixed off-by-one error in one of the conversions to PNG_ROWBYTES() in
- pngpread.c. Bug was introduced in 1.2.6rc1.
- Fixed bug in RGB to RGBX transformation introduced in 1.2.6rc1.
- Fixed old bug in RGB to Gray transformation.
- Fixed problem with 64-bit compilers by casting arguments to abs()
- to png_int_32.
- Changed "ln -sf" to "ln -f -s" in three makefiles (solaris, sco, so9).
- Changed "HANDLE_CHUNK_*" to "PNG_HANDLE_CHUNK_*" (Cosmin)
- Added "-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)" to 15 *NIX makefiles.
- Added code to update the row_info->colortype in png_do_read_filler() (MSB).
-version 1.0.16rc3 and 1.2.6rc3 [August 9, 2004]
- Eliminated use of "abs()" in testing cHRM and gAMA values, to avoid
- trouble with some 64-bit compilers. Created PNG_OUT_OF_RANGE() macro.
- Revised documentation of png_set_keep_unknown_chunks().
- Check handle_as_unknown status in pngpread.c, as in pngread.c previously.
- Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_INTERNAL section of png.h
- Added "rim" definitions for CONST4 and CONST6 in pnggccrd.c
-version 1.0.16rc4 and 1.2.6rc4 [August 10, 2004]
- Fixed mistake in pngtest.c introduced in 1.2.6rc2 (declaration of
- "pinfo" was out of place).
-version 1.0.16rc5 and 1.2.6rc5 [August 10, 2004]
- Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_ASSEMBLER_CODE_SUPPORTED
- section of png.h where they were inadvertently placed in version rc3.
-
-version 1.2.6 and 1.0.16 [August 15, 2004]
- Revised pngtest so memory allocation testing is only done when PNG_DEBUG==1.
-version 1.2.7beta1 [August 26, 2004]
- Removed unused pngasmrd.h file.
- Removed references to uu.net for archived files. Added references to
- PNG Spec (second edition) and the PNG ISO/IEC Standard.
- Added "test-dd" target in 15 makefiles, to run pngtest in DESTDIR.
- Fixed bug with "optimized window size" in the IDAT datastream, that
- causes libpng to write PNG files with incorrect zlib header bytes.
-version 1.2.7beta2 [August 28, 2004]
- Fixed bug with sCAL chunk and big-endian machines (David Munro).
- Undid new code added in 1.2.6rc2 to update the color_type in
- png_set_filler().
- Added png_set_add_alpha() that updates color type.
-version 1.0.17rc1 and 1.2.7rc1 [September 4, 2004]
- Revised png_set_strip_filler() to not remove alpha if color_type has alpha.
-
-version 1.2.7 and 1.0.17 [September 12, 2004]
- Added makefile.hp64
- Changed projects/msvc/png32ms.def to scripts/png32ms.def in makefile.cygwin
-version 1.2.8beta1 [November 1, 2004]
- Fixed bug in png_text_compress() that would fail to complete a large block.
- Fixed bug, introduced in libpng-1.2.7, that overruns a buffer during
- strip alpha operation in png_do_strip_filler().
- Added PNG_1_2_X definition in pngconf.h
- #ifdef out png_info_init in png.c and png_read_init in pngread.c (as of 1.3.0)
-version 1.2.8beta2 [November 2, 2004]
- Reduce color_type to a nonalpha type after strip alpha operation in
- png_do_strip_filler().
-version 1.2.8beta3 [November 3, 2004]
- Revised definitions of PNG_MAX_UINT_32, PNG_MAX_SIZE, and PNG_MAXSUM
-version 1.2.8beta4 [November 12, 2004]
- Fixed (again) definition of PNG_LIBPNG_VER_DLLNUM in png.h (Cosmin).
- Added PNG_LIBPNG_BUILD_PRIVATE in png.h (Cosmin).
- Set png_ptr->zstream.data_type to Z_BINARY, to avoid unnecessary detection
- of data type in deflate (Cosmin).
- Deprecated but continue to support SPECIALBUILD and PRIVATEBUILD in favor of
- PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING.
-version 1.2.8beta5 [November 20, 2004]
- Use png_ptr->flags instead of png_ptr->transformations to pass
- PNG_STRIP_ALPHA info to png_do_strip_filler(), to preserve ABI
- compatibility.
- Revised handling of SPECIALBUILD, PRIVATEBUILD,
- PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING.
-version 1.2.8rc1 [November 24, 2004]
- Moved handling of BUILD macros from pngconf.h to png.h
- Added definition of PNG_LIBPNG_BASE_TYPE in png.h, inadvertently
- omitted from beta5.
- Revised scripts/pngw32.rc
- Despammed mailing addresses by masking "@" with "at".
- Inadvertently installed a supposedly faster test version of pngrutil.c
-version 1.2.8rc2 [November 26, 2004]
- Added two missing "\" in png.h
- Change tests in pngread.c and pngpread.c to
- if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA))
- png_do_read_transformations(png_ptr);
-version 1.2.8rc3 [November 28, 2004]
- Reverted pngrutil.c to version libpng-1.2.8beta5.
- Added scripts/makefile.elf with supporting code in pngconf.h for symbol
- versioning (John Bowler).
-version 1.2.8rc4 [November 29, 2004]
- Added projects/visualc7 (Simon-pierre).
-version 1.2.8rc5 [November 29, 2004]
- Fixed new typo in scripts/pngw32.rc
-
-version 1.2.8 [December 3, 2004]
- Removed projects/visualc7, added projects/visualc71.
-
-version 1.2.9beta1 [February 21, 2006]
-
- Initialized some structure members in pngwutil.c to avoid gcc-4.0.0 complaints
- Revised man page and libpng.txt to make it clear that one should not call
- png_read_end or png_write_end after png_read_png or png_write_png.
- Updated references to png-mng-implement mailing list.
- Fixed an incorrect typecast in pngrutil.c
- Added PNG_NO_READ_SUPPORTED conditional for making a write-only library.
- Added PNG_NO_WRITE_INTERLACING_SUPPORTED conditional.
- Optimized alpha-inversion loops in pngwtran.c
- Moved test for nonzero gamma outside of png_build_gamma_table() in pngrtran.c
- Make sure num_trans is <= 256 before copying data in png_set_tRNS().
- Make sure num_palette is <= 256 before copying data in png_set_PLTE().
- Interchanged order of write_swap_alpha and write_invert_alpha transforms.
- Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin).
- Optimized zlib window flag (CINFO) in contrib/pngsuite/*.png (Cosmin).
- Updated scripts/makefile.bc32 for Borland C++ 5.6 (Cosmin).
- Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16,
- png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin).
- Added type cast (png_byte) in png_write_sCAL() (Cosmin).
- Fixed scripts/makefile.cygwin (Christian Biesinger, Cosmin).
- Default iTXt support was inadvertently enabled.
-
-version 1.2.9beta2 [February 21, 2006]
-
- Check for png_rgb_to_gray and png_gray_to_rgb read transformations before
- checking for png_read_dither in pngrtran.c
- Revised checking of chromaticity limits to accommodate extended RGB
- colorspace (John Denker).
- Changed line endings in some of the project files to CRLF, even in the
- "Unix" tar distributions (Cosmin).
- Made png_get_int_32 and png_save_int_32 always available (Cosmin).
- Updated scripts/pngos2.def, scripts/pngw32.def and projects/wince/png32ce.def
- with the newly exported functions.
- Eliminated distributions without the "configure" script.
- Updated INSTALL instructions.
-
-version 1.2.9beta3 [February 24, 2006]
-
- Fixed CRCRLF line endings in contrib/visupng/VisualPng.dsp
- Made libpng.pc respect EXEC_PREFIX (D. P. Kreil, J. Bowler)
- Removed reference to pngasmrd.h from Makefile.am
- Renamed CHANGES to ChangeLog.
- Renamed LICENSE to COPYING.
- Renamed ANNOUNCE to NEWS.
- Created AUTHORS file.
-
-version 1.2.9beta4 [March 3, 2006]
-
- Changed definition of PKGCONFIG from $prefix/lib to $libdir in configure.ac
- Reverted to filenames LICENSE and ANNOUNCE; removed AUTHORS and COPYING.
- Removed newline from the end of some error and warning messages.
- Removed test for sqrt() from configure.ac and configure.
- Made swap tables in pngtrans.c PNG_CONST (Carlo Bramix).
- Disabled default iTXt support that was inadvertently enabled in
- libpng-1.2.9beta1.
- Added "OS2" to list of systems that don't need underscores, in pnggccrd.c
- Removed libpng version and date from *.c files.
-
-version 1.2.9beta5 [March 4, 2006]
- Removed trailing blanks from source files.
- Put version and date of latest change in each source file, and changed
- copyright year accordingly.
- More cleanup of configure.ac, Makefile.ac, and associated scripts.
- Restored scripts/makefile.elf which was inadvertently deleted.
-
-version 1.2.9beta6 [March 6, 2006]
- Fixed typo (RELEASE) in configuration files.
-
-version 1.2.9beta7 [March 7, 2006]
- Removed libpng.vers and libpng.sym from libpng12_la_SOURCES in Makefile.am
- Fixed inconsistent #ifdef's around png_sig_bytes() and png_set_sCAL_s()
- in png.h.
- Updated makefile.elf as suggested by debian.
- Made cosmetic changes to some makefiles, adding LN_SF and other macros.
- Made some makefiles accept "exec_prefix".
-
-version 1.2.9beta8 [March 9, 2006]
- Fixed some "#if defined (..." which should be "#if defined(..."
- Bug introduced in libpng-1.2.8.
- Fixed inconsistency in definition of png_default_read_data()
- Restored blank that was lost from makefile.sggcc "clean" target in beta7.
- Revised calculation of "current" and "major" for irix in ltmain.sh
- Changed "mkdir" to "MKDIR_P" in some makefiles.
- Separated PNG_EXPAND and PNG_EXPAND_tRNS.
- Added png_set_expand_gray_1_2_4_to_8() and deprecated
- png_set_gray_1_2_4_to_8() which also expands tRNS to alpha.
-
-version 1.2.9beta9 [March 10, 2006]
- Include "config.h" in pngconf.h when available.
- Added some checks for NULL png_ptr or NULL info_ptr (timeless)
-
-version 1.2.9beta10 [March 20, 2006]
- Removed extra CR from contrib/visualpng/VisualPng.dsw (Cosmin)
- Made pnggccrd.c PIC-compliant (Christian Aichinger).
- Added makefile.mingw (Wolfgang Glas).
- Revised pngconf.h MMX checking.
-
-version 1.2.9beta11 [March 22, 2006]
- Fixed out-of-order declaration in pngwrite.c that was introduced in beta9
- Simplified some makefiles by using LIBSO, LIBSOMAJ, and LIBSOVER macros.
-
-version 1.2.9rc1 [March 31, 2006]
- Defined PNG_USER_PRIVATEBUILD when including "pngusr.h" (Cosmin).
- Removed nonsensical assertion check from pngtest.c (Cosmin).
-
-version 1.2.9 [April 14, 2006]
- Revised makefile.beos and added "none" selector in ltmain.sh
-
-version 1.2.10beta1 [April 15, 2006]
- Renamed "config.h" to "png_conf.h" and revised Makefile.am to add
- -DPNG_BUILDING_LIBPNG to compile directive, and modified pngconf.h
- to include png_conf.h only when PNG_BUILDING_LIBPNG is defined.
-
-version 1.2.10beta2 [April 15, 2006]
- Manually updated Makefile.in and configure. Changed png_conf.h.in
- back to config.h.
-
-version 1.2.10beta3 [April 15, 2006]
- Change png_conf.h back to config.h in pngconf.h.
-
-version 1.2.10beta4 [April 16, 2006]
- Change PNG_BUILDING_LIBPNG to PNG_CONFIGURE_LIBPNG in config/Makefile*.
-
-version 1.2.10beta5 [April 16, 2006]
- Added a configure check for compiling assembler code in pnggccrd.c
-
-version 1.2.10beta6 [April 17, 2006]
- Revised the configure check for pnggccrd.c
- Moved -DPNG_CONFIGURE_LIBPNG into @LIBPNG_DEFINES@
- Added @LIBPNG_DEFINES@ to arguments when building libpng.sym
-
-version 1.2.10beta7 [April 18, 2006]
- Change "exec_prefix=$prefix" to "exec_prefix=$(prefix)" in makefiles.
-
-version 1.2.10rc1 [April 19, 2006]
- Ensure pngconf.h doesn't define both PNG_USE_PNGGCCRD and PNG_USE_PNGVCRD
- Fixed "LN_FS" typo in makefile.sco and makefile.solaris.
-
-version 1.2.10rc2 [April 20, 2006]
- Added a backslash between -DPNG_CONFIGURE_LIBPNG and -DPNG_NO_ASSEMBLER_CODE
- in configure.ac and configure
- Made the configure warning about versioned symbols less arrogant.
-
-version 1.2.10rc3 [April 21, 2006]
- Added a note in libpng.txt that png_set_sig_bytes(8) can be used when
- writing an embedded PNG without the 8-byte signature.
- Revised makefiles and configure to avoid making links to libpng.so.*
-
-version 1.2.10 [April 23, 2006]
- Reverted configure to "rc2" state.
-
-version 1.2.11beta1 [May 31, 2006]
- scripts/libpng.pc.in contained "configure" style version info and would
- not work with makefiles.
- The shared-library makefiles were linking to libpng.so.0 instead of
- libpng.so.3 compatibility as the library.
-
-version 1.2.11beta2 [June 2, 2006]
- Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
- buffer overflow.
- Fixed bug in example.c (png_set_palette_rgb -> png_set_palette_to_rgb)
-
-version 1.2.11beta3 [June 5, 2006]
- Prepended "#! /bin/sh" to ltmail.sh and contrib/pngminus/*.sh (Cosmin).
- Removed the accidental leftover Makefile.in~ (Cosmin).
- Avoided potential buffer overflow and optimized buffer in
- png_write_sCAL(), png_write_sCAL_s() (Cosmin).
- Removed the include directories and libraries from CFLAGS and LDFLAGS
- in scripts/makefile.gcc (Nelson A. de Oliveira, Cosmin).
-
-version 1.2.11beta4 [June 6, 2006]
- Allow zero-length IDAT chunks after the entire zlib datastream, but not
- after another intervening chunk type.
-
-version 1.0.19rc1, 1.2.11rc1 [June 13, 2006]
- Deleted extraneous square brackets from [config.h] in configure.ac
-
-version 1.0.19rc2, 1.2.11rc2 [June 14, 2006]
- Added prototypes for PNG_INCH_CONVERSIONS functions to png.h
- Revised INSTALL and autogen.sh
- Fixed typo in several makefiles (-W1 should be -Wl)
- Added typedef for png_int_32 and png_uint_32 on 64-bit systems.
-
-version 1.0.19rc3, 1.2.11rc3 [June 15, 2006]
- Removed the new typedefs for 64-bit systems (delay until version 1.4.0)
- Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid
- reading out of bounds.
-
-version 1.0.19rc4, 1.2.11rc4 [June 15, 2006]
- Really removed the new typedefs for 64-bit systems.
-
-version 1.0.19rc5, 1.2.11rc5 [June 22, 2006]
- Removed png_sig_bytes entry from scripts/pngw32.def
-
-version 1.0.19, 1.2.11 [June 26, 2006]
- None.
-
-version 1.0.20, 1.2.12 [June 27, 2006]
- Really increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
- buffer overflow.
-
-version 1.2.13beta1 [October 2, 2006]
- Removed AC_FUNC_MALLOC from configure.ac
- Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
- Change "logical" to "bitwise" throughout documentation.
- Detect and fix attempt to write wrong iCCP profile length.
-
-version 1.0.21, 1.2.13 [November 14, 2006]
- Fix potential buffer overflow in sPLT chunk handler.
- Fix Makefile.am to not try to link to noexistent files.
- Check all exported functions for NULL png_ptr.
-
-version 1.2.14beta1 [November 17, 2006]
- Relocated three misplaced tests for NULL png_ptr.
- Built Makefile.in with automake-1.9.6 instead of 1.9.2.
- Build configure with autoconf-2.60 instead of 2.59
-
-version 1.2.14beta2 [November 17, 2006]
- Added some typecasts in png_zalloc().
-
-version 1.2.14rc1 [November 20, 2006]
- Changed "strtod" to "png_strtod" in pngrutil.c
-
-version 1.0.22, 1.2.14 [November 27, 2006]
- Added missing "$(srcdir)" in Makefile.am and Makefile.in
-
-version 1.2.15beta1 [December 3, 2006]
- Generated configure with autoconf-2.61 instead of 2.60
- Revised configure.ac to update libpng.pc and libpng-config.
-
-version 1.2.15beta2 [December 3, 2006]
- Always export MMX asm functions, just stubs if not building pnggccrd.c
-
-version 1.2.15beta3 [December 4, 2006]
- Add "png_bytep" typecast to profile while calculating length in pngwutil.c
-
-version 1.2.15beta4 [December 7, 2006]
- Added scripts/CMakeLists.txt
- Changed PNG_NO_ASSEMBLER_CODE to PNG_NO_MMX_CODE in scripts, like 1.4.0beta
-
-version 1.2.15beta5 [December 7, 2006]
- Changed some instances of PNG_ASSEMBLER_* to PNG_MMX_* in pnggccrd.c
- Revised scripts/CMakeLists.txt
-
-version 1.2.15beta6 [December 13, 2006]
- Revised scripts/CMakeLists.txt and configure.ac
-
-version 1.2.15rc1 [December 18, 2006]
- Revised scripts/CMakeLists.txt
-
-version 1.2.15rc2 [December 21, 2006]
- Added conditional #undef jmpbuf in pngtest.c to undo #define in AIX headers.
- Added scripts/makefile.nommx
-
-version 1.2.15rc3 [December 25, 2006]
- Fixed shared library numbering error that was introduced in 1.2.15beta6.
-
-version 1.2.15rc4 [December 27, 2006]
- Fixed handling of rgb_to_gray when png_ptr->color.gray isn't set.
-
-version 1.2.15rc5 [December 31, 2006]
- Revised handling of rgb_to_gray.
-
-version 1.0.23, 1.2.15 [January 5, 2007]
- Added some (unsigned long) typecasts in pngtest.c to avoid printing errors.
-
-version 1.2.16beta1 [January 6, 2007]
- Fix bugs in makefile.nommx
-
-version 1.2.16beta2 [January 16, 2007]
- Revised scripts/CMakeLists.txt
-
-version 1.0.24, 1.2.16 [January 31, 2007]
- No changes.
-
-version 1.2.17beta1 [March 6, 2007]
- Revised scripts/CMakeLists.txt to install both shared and static libraries.
- Deleted a redundant line from pngset.c.
-
-version 1.2.17beta2 [April 26, 2007]
- Relocated misplaced test for png_ptr == NULL in pngpread.c
- Change "==" to "&" for testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN
- flags.
- Changed remaining instances of PNG_ASSEMBLER_* to PNG_MMX_*
- Added pngerror() when write_IHDR fails in deflateInit2().
- Added "const" to some array declarations.
- Mention examples of libpng usage in the libpng*.txt and libpng.3 documents.
-
-version 1.2.17rc1 [May 4, 2007]
- No changes.
-
-version 1.2.17rc2 [May 8, 2007]
- Moved several PNG_HAVE_* macros out of PNG_INTERNAL because applications
- calling set_unknown_chunk_location() need them.
- Changed transformation flag from PNG_EXPAND_tRNS to PNG_EXPAND in
- png_set_expand_gray_1_2_4_to_8().
- Added png_ptr->unknown_chunk to hold working unknown chunk data, so it
- can be free'ed in case of error. Revised unknown chunk handling in
- pngrutil.c and pngpread.c to use this structure.
-
-version 1.2.17rc3 [May 8, 2007]
- Revised symbol-handling in configure script.
-
-version 1.2.17rc4 [May 10, 2007]
- Revised unknown chunk handling to avoid storing unknown critical chunks.
-
-version 1.0.25 [May 15, 2007]
-version 1.2.17 [May 15, 2007]
- Added "png_ptr->num_trans=0" before error return in png_handle_tRNS,
- to eliminate a vulnerability (CVE-2007-2445, CERT VU#684664)
-
-version 1.0.26 [May 15, 2007]
-version 1.2.18 [May 15, 2007]
- Reverted the libpng-1.2.17rc3 change to symbol-handling in configure script
-
-version 1.2.19beta1 [May 18, 2007]
- Changed "const static" to "static PNG_CONST" everywhere, mostly undoing
- change of libpng-1.2.17beta2. Changed other "const" to "PNG_CONST"
- Changed some handling of unused parameters, to avoid compiler warnings.
- "if (unused == NULL) return;" becomes "unused = unused".
-
-version 1.2.19beta2 [May 18, 2007]
- Only use the valid bits of tRNS value in png_do_expand() (Brian Cartier)
-
-version 1.2.19beta3 [May 19, 2007]
- Add some "png_byte" typecasts in png_check_keyword() and write new_key
- instead of key in zTXt chunk (Kevin Ryde).
-
-version 1.2.19beta4 [May 21, 2007]
- Add png_snprintf() function and use it in place of sprint() for improved
- defense against buffer overflows.
-
-version 1.2.19beta5 [May 21, 2007]
- Fixed png_handle_tRNS() to only use the valid bits of tRNS value.
- Changed handling of more unused parameters, to avoid compiler warnings.
- Removed some PNG_CONST in pngwutil.c to avoid compiler warnings.
-
-version 1.2.19beta6 [May 22, 2007]
- Added some #ifdef PNG_MMX_CODE_SUPPORTED where needed in pngvcrd.c
- Added a special "_MSC_VER" case that defines png_snprintf to _snprintf
-
-version 1.2.19beta7 [May 22, 2007]
- Squelched png_squelch_warnings() in pnggccrd.c and added an
- #ifdef PNG_MMX_CODE_SUPPORTED block around the declarations that caused
- the warnings that png_squelch_warnings was squelching.
-
-version 1.2.19beta8 [May 22, 2007]
- Removed __MMX__ from test in pngconf.h.
-
-version 1.2.19beta9 [May 23, 2007]
- Made png_squelch_warnings() available via PNG_SQUELCH_WARNINGS macro.
- Revised png_squelch_warnings() so it might work.
- Updated makefile.sgcc and makefile.solaris; added makefile.solaris-x86.
-
-version 1.2.19beta10 [May 24, 2007]
- Resquelched png_squelch_warnings(), use "__attribute__((used))" instead.
-
-version 1.2.19beta11 [May 28, 2007]
- Return 0 from png_get_sPLT() and png_get_unknown_chunks() if png_ptr is NULL;
- changed three remaining instances of png_strcpy() to png_strncpy() (David
- Hill).
- Make test for NULL row_buf at the beginning of png_do_read_transformations
- unconditional.
-
-version 1.2.19beta12 [May 28, 2007]
- Revised pnggccrd.c.
-
-version 1.2.19beta13 [June 14, 2007]
- Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h
-
-version 1.2.19beta14 [June 16, 2007]
- Fix bug with handling of 16-bit transparency, introduced in 1.2.19beta2
-
-version 1.2.19beta15 [June 17, 2007]
- Revised pnggccrd.c.
-
-version 1.2.19beta16 [June 18, 2007]
- Revised pnggccrd.c again.
- Updated contrib/gregbook.
- Changed '#include "pnggccrd.c"' to 'include "$srcdir/pnggccrd.c"'
- in configure.ac
-
-version 1.2.19beta17 [June 19, 2007]
- Revised many of the makefiles, to set -DPNG_NO_MMX_CODE where needed
- and to not use -O3 unless -DPNG_NO_MMX_CODE is also set.
-
-version 1.2.19beta18 [June 23, 2007]
- Replaced some C++ style comments with C style comments in pnggccrd.c.
- Copied optimized C code from pnggccrd.c to pngrutil.c, removed dependency
- on pnggccrd.o from many makefiles.
- Added sl and dylib to list of extensions be installed by Makefile.am
-
-version 1.2.19beta19 [June 28, 2007]
- Fixed testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN in pngrtran.c
- More cleanup of pnggccrd.c and pngvcrd.c
-
-version 1.2.19beta20 [June 29, 2007]
- Rebuilt Makefile.in and configure using libtool-1.5.24.
- Fixed typo in pnggccrd.c
-
-version 1.2.19beta21 [June 30, 2007]
- More revision of pnggccrd.c
- Added "test" target to Makefile.in and Makefile.am
-
-version 1.2.19beta22 [July 3, 2007]
- Added info about pngrutil/pnggccrd/pngvcrd to png_get_header_version()
- Fix type definition of dummy_value_a, b in pnggccrd.c
-
-version 1.2.19beta23 [July 10, 2007]
- Revert change to type definition of dummy_value_a, b in pnggccrd.c
- Make sure __PIC__ is defined in pnggccrd.c when PIC is defined.
- Require gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW on x86_64 platforms
-
-version 1.2.19beta24 [July 14, 2007]
- Added PNG_NO_READ_FILTER, PNG_NO_WRITE_FILTER, PNG_NO_WARNING macros.
- Added contrib/pngminim to demonstrate building minimal encoder and decoder
-
-version 1.2.19beta25 [July 15, 2007]
- Removed the new PNG_NO_READ_FILTER macro since it would make the library
- unable to read valid PNG files, and filtering is at the heart of the
- PNG format.
-
-version 1.2.19beta26 [July 16, 2007]
- Changed "png_free(str)" to "png_free(png_ptr,str)" in pngrutil.c WinCE
- code (Yves Piguet). This bug was introduced in libpng-1.2.14.
- Updated scripts/CMakeLists.txt
- Relocated a misplaced #endif in pnggccrd.c
-
-version 1.2.19beta27 [July 17, 2007]
- Fixed incorrect stride and number of bytes copied (was 4 instead of
- 6 bytes) in the cleanup loop of pnggccrd.c and pngvcrd.c for handling
- the end of 48-bit interlaced rows (Glenn R-P).
-
-version 1.2.19beta28 [July 19, 2007]
- Removed requirement for gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW
- on x86_64 platforms
- Added png_warning() in pngrutil.c for short iCCP, iTXt, sPLT, or zTXT chunks.
- Revised pngtest.c so warnings are displayed regardless of PNG_NO_STDIO.
-
-version 1.2.19beta29 [July 20, 2007]
- Fix typo in pnggccrd.c (%%eax should be %%ax in secondloop48)
-
-version 1.2.19beta30 [July 26, 2007]
- Revised pnggccrd.c
-
-version 1.2.19beta31 [July 27, 2007]
- Fix typos in pnggccrd.c
-
-version 1.0.27rc1 and 1.2.19rc1 [July 31, 2007]
- Disable PNG_MMX_CODE_SUPPORTED when PNG_ASSEMBLER_CODE_SUPPORTED is off.
- Enable PNG_MMX_READ_FILTER_* by default, except when gcc-3.x is being
- used (they were inadvertently disabled in libpng-1.2.19beta23).
- Fix some debugging statements in pnggccrd.c and pngrutil.c
- Added information about disabling the MMX code in libpng documentation.
-
-version 1.0.27rc2 and 1.2.19rc2 [August 4, 2007]
- Removed some "#if 0" blocks.
- Made a global struct local in pngvcrd.c to make it thread safe.
- Issue a png_error() if application attempts to transform a row tht
- has not been initialized.
-
-version 1.0.27rc3 and 1.2.19rc3 [August 9, 2007]
- Slightly revised pngvcrd.c
-
-version 1.0.27rc4 and 1.2.19rc4 [August 9, 2007]
- Revised pnggccrd.c debugging change of rc1, which was broken.
- Revised scripts/CMakeLists.txt
- Change default to PNG_NO_GLOBAL_ARRAYS for MSVC.
- Turn off PNG_FLAG_ROW_INIT flag when setting transforms that expand pixels.
-
-version 1.0.27rc5 and 1.2.19rc5 [August 10, 2007]
- Fix typo (missing '"') in pnggccrd.c
- Revise handling of png_strtod in recent versions of WINCE
-
-version 1.0.27rc6 and 1.2.19rc6 [August 15, 2007]
- Fix typo (missing ',') in contrib/gregbook/readpng2.c
- Undid row initialization error exit added to rc2 and rc4.
-
-version 1.0.27 and 1.2.19 [August 18, 2007]
- Conditionally restored row initialization error exit.
-
-version 1.2.20beta01 [August 19, 2007]
- Fixed problem with compiling pnggccrd.c on Intel-Apple platforms.
- Changed png_malloc() to png_malloc_warn() in png_set_sPLT().
- Added PNG_NO_ERROR_TEXT feature, with demo in contrib/pngminim
- Removed define PNG_WARN_UNINITIALIZED_ROW 1 /* 0: warning; 1: error */
- because it caused some trouble.
-
-version 1.2.20beta02 [August 20, 2007]
- Avoid compiling pnggccrd.c on Intel-Apple platforms.
-
-version 1.2.20beta03 [August 20, 2007]
- Added "/D PNG_NO_MMX_CODE" to the non-mmx builds of projects/visualc6
- and visualc71.
-
-version 1.2.20beta04 [August 21, 2007]
- Revised pngvcrd.c for improved efficiency (Steve Snyder).
-
-version 1.2.20rc1 [August 23, 2007]
- Revised pngconf.h to set PNG_NO_MMX_CODE for gcc-3.x compilers.
-
-version 1.2.20rc2 [August 27, 2007]
- Revised scripts/CMakeLists.txt
- Revised #ifdefs to ensure one and only one of pnggccrd.c, pngvcrd.c,
- or part of pngrutil.c is selected.
-
-version 1.2.20rc3 [August 30, 2007]
- Remove a little more code in pngwutil.c when PNG_NO_WRITE_FILTER is selected.
- Added /D _CRT_SECURE_NO_WARNINGS to visual6c and visualc71 projects.
- Compile png_mmx_support() in png.c even when PNG_NO_MMX_CODE is defined.
- Restored a "superfluous" #ifdef that was removed from 1.2.20rc2 pnggccrd.c,
- breaking the png_mmx_support() function.
-
-version 1.2.20rc4 [September 1, 2007]
- Removed Intel contributions (MMX, Optimized C).
-
-version 1.2.20rc5 [September 2, 2007]
- Restored configure and Makefile.in to rc3 and put a snippet of code in
- pnggccrd.c, to ensure configure makes the same PNG_NO_MMX_CODE selection
-
-version 1.2.20rc6 [September 2, 2007]
- Fixed bugs in scripts/CMakeLists.txt
- Removed pngvcrd.c references from msvc projects.
-
-version 1.0.28 and 1.2.20 [September 8, 2007]
- Removed "(NO READ SUPPORT)" from png_get_header_version() string.
-
-version 1.2.21beta1 [September 14, 2007]
- Fixed various mistakes reported by George Cook and Jeff Phillips:
- logical vs bitwise NOT in pngrtran.c, bug introduced in 1.2.19rc2
- 16-bit cheap transparency expansion, bug introduced in 1.2.19beta2
- errors with sizeof(unknown_chunk.name), bugs introduced in 1.2.19beta11
- <= compare with unsigned var in pngset.c, should be ==.
-
-version 1.2.21beta2 [September 18, 2007]
- Removed some extraneous typecasts.
-
-version 1.2.21rc1 [September 25, 2007]
- Fixed potential out-of-bounds reads in png_handle_pCAL() and
- png_handle_ztXt() ("flayer" results reported by Tavis Ormandy).
-
-version 1.2.21rc2 [September 26, 2007]
- Fixed potential out-of-bounds reads in png_handle_sCAL(),
- png_handle_iTXt(), and png_push_read_tEXt().
- Remove some PNG_CONST declarations from pngwutil.c to avoid compiler warnings
- Revised makefiles to update paths in libpng.pc properly.
-
-version 1.2.21rc3 [September 27, 2007]
- Revised makefiles to update "Libs" in libpng.pc properly.
-
-version 1.0.29 and 1.2.21rc3 [October 4, 2007]
- No changes.
-
-version 1.2.22beta1 [October 4, 2007]
- Again, fixed logical vs bitwise NOT in pngrtran.c, bug introduced
- in 1.2.19rc2
-
-version 1.2.22beta2 [October 5, 2007]
- Fixed string length error in pngset.c (caused crashes while decoding iCCP)
- Add terminating NULL after each instance of png_strncpy().
-
-version 1.2.22beta3 [October 6, 2007]
- Fix two off-by-one terminating NULL after png_strncpy().
-
-version 1.2.22beta4 [October 7, 2007]
- Changed some 0 to '\0'.
-
-version 1.0.30rc1 and 1.2.22rc1 [October 8, 2007]
- No changes.
-
-version 1.0.30 and 1.2.22 [October 13, 2007]
- No changes.
-
-version 1.2.23beta01 [October 15, 2007]
- Reduced number of invocations of png_strlen() in pngset.c.
- Changed [azAZ09_] to [_abcde...89] in Makefile.am for better localization.
-
-version 1.2.23beta02 [October 16, 2007]
- Eliminated png_strncpy() and png_strcpy() (Pierre Poissinger)
- Changed $AN to $(AN) in Makefile.am.
-
-version 1.2.23beta03 [October 16, 2007]
- Fixed off-by-one error in pngset.c
- Restore statement to set last character of buffer to \0 in pngerror.c
-
-version 1.2.23beta04 [October 23, 2007]
- Reject attempt to set all-zero cHRM values.
-
-version 1.2.23beta05 [October 26, 2007]
- Add missing quotes in projects/visualc6, lost in version 1.2.20rc3
-
-version 1.2.23rc01 [November 2, 2007]
- No changes.
-
-version 1.2.23 [November 6, 2007]
- No changes.
-
-version 1.2.24beta01 [November 19, 2007]
- Moved misplaced test for malloc failure in png_set_sPLT(). This bug was
- introduced in libpng-1.2.20beta01.
- Ifdef out avg_row etc from png.h and pngwrite.c when PNG_NO_WRITE_FILTER
- Do not use png_ptr->free_fn and png_ptr->mem_fn in png_destroy_read_struct()
- when png_ptr is NULL (Marshall Clow).
- Updated handling of symbol prefixes in Makefile.am and configure.ac (Mike
- Frysinger).
-
-version 1.2.24beta02 [November 30, 2007]
- Removed a useless test and fixed incorrect test in png_set_cHRM_fixed()
- (David Hill).
-
-version 1.2.24rc01 [December 7, 2007]
- No changes.
-
-version 1.2.24 [December 14, 2007]
- Make sure not to redefine _BSD_SOURCE in pngconf.h
- Revised gather.sh and makefile.std in contrib/pngminim to avoid compiling
- unused files.
-
-version 1.2.25beta01 [January 7, 2008]
- Fixed bug with unknown chunk handling, introduced in version 1.2.17rc2
-
-version 1.2.25beta02 [January 10, 2008]
- Prevent gamma from being applied twice.
-
-version 1.2.25rc01 [January 17, 2008]
- No changes.
-
-version 1.2.25beta03 [January 22, 2008]
- Fixed some continue-after-malloc-failure errors in pngset.c (David Hill)
- Check for info_ptr == NULL in png_read_info() and png_process_data().
- Check for possible use of NULL user_png_ver[] in png_create_read_struct().
- Change "if (swidth == NULL)" to "if (sheight == NULL)" in png_handle_sCAL
- (bug introduced in libpng-1.2.4/1.0.13).
- Return from png_destroy_read_struct() if png_ptr_ptr is NULL.
- Fix overflow of "msg" in png_decompress_chunk().
-
-version 1.2.25beta04 [January 26, 2008]
- Work around Coverity bug report by slightly refactoring
- png_read_push_finish_row()
-
-version 1.2.25beta05 [January 31, 2008]
- Added libpng-1.2.25beta05.tar.lzma to distribution. Get the lzma codec
- from <http://tukaani.org/lzma>.
- Added lp1225b05.7z to distribution. Get the 7-zip decoder from
- from <http://www.7-zip.org>.
- Fixed some broken links in the README file.
-
-version 1.2.25beta06 [February 6, 2008]
- Refactored png_read_push_finish_row() again, trying to satisfy Coverity.
- Fixed potential NULL dereference of png_ptr in png_destroy_write_struct();
- clarified potential NULL dereference of png_ptr in png_destroy_read_struct();
- fixed potential NULL dereference of info_ptr in png_handle_bKGD();
- fixed potential NULL dereference of user_png_ver[] in
- png_create_write_struct_2(). (Coverity)
-
-version 1.2.25rc02 [February 10, 2008]
- Reset png_ptr->pass in png_read_push_finish_row() before break.
- Changed "pass" from png_byte to int.
-
-version 1.2.25 and 1.0.31 [February 18, 2008]
- No changes.
-
-version 1.2.26beta01 [February 21, 2008]
- Added missing "(" in pngmem.c. Bug introduced in libpng-1.2.2/1.0.13
-
-version 1.2.26beta02 [March 12, 2008]
- Refined error message returned from deflateInit2 in pngwutil.c
- Check IHDR length in png_push_read_chunk() before saving it.
-
-version 1.2.26beta03 [March 16, 2008]
- Revised contrib/gregbook to handle premature end-of-file and file
- read errors correctly.
-
-version 1.2.26beta04 [March 18, 2008]
- Free png_ptr->big_row_buf and png_ptr->prev_row before allocating
- new copies in png_read_start_row(). Bug introduced in libpng-1.2.22.
-
-version 1.2.26beta05 [March 19, 2008]
- Removed extra png_free() added in libpng-1.2.26beta04.
-
-version 1.2.26beta06 [March 19, 2008]
- Avoid reallocating big_row_buf and prev_row when the size does not increase.
-
-version 1.2.26rc01 [March 26, 2008]
- Ifdef out some code that is unused when interlacing is not supported.
-
-versions 1.0.32 and 1.2.26 [April 2, 2008]
- No changes.
-
-version 1.2.27beta01 [April 12, 2008]
- Fixed bug (introduced in libpng-1.0.5h) with handling zero-length
- unknown chunks.
- Added more information about png_set_keep_unknown_chunks() to the
- documentation.
- Reject tRNS chunk with out-of-range samples instead of masking off
- the invalid high bits as done in since libpng-1.2.19beta5.
-
-version 1.2.27beta02 [April 13, 2008]
- Revised documentation about unknown chunk and user chunk handling.
- Keep tRNS chunk with out-of-range samples and issue a png_warning().
-
-version 1.2.27beta03 [April 14, 2008]
- Added check for NULL ptr in TURBOC version of png_free_default().
- Removed several unnecessary checks for NULL before calling png_free().
- Revised png_set_tRNS() so that calling it twice removes and invalidates
- the previous call.
- Revised pngtest to check for out-of-range tRNS samples.
-
-version 1.2.27beta04 [April 18, 2008]
- Added AC_LIBTOOL_WIN32_DLL to configure.ac
- Rebuilt Makefile.in, aclocal.m4, and configure with autoconf-2.62
-
-version 1.2.27beta05 [April 19, 2008]
- Added MAINTAINERCLEANFILES variable to Makefile.am
-
-version 1.2.27beta06 [April 21, 2008]
- Avoid changing color_type from GRAY to RGB by
- png_set_expand_gray_1_2_4_to_8().
-
-version 1.2.27rc01 [April 23, 2008]
- Fix broken URL for rfc2083 in png.5 and libpng-*.txt
-
-version 1.0.33 and 1.2.27 [April 30, 2008]
- No changes.
-
-version 1.0.34 and 1.2.28 [April 30, 2008]
- Rebuilt Makefile.in, aclocal.m4, and configure with autoconf-2.61
- due to backward incompatibilities.
- Removed a stray object file from contrib/gregbook
-
-version 1.2.29beta01 [May 1, 2008]
- Removed some stray *.diff and *.orig files
-
-version 1.2.29beta02 [May 1, 2008]
- Reverted Makefile.in, aclocal.m4, and configure to the libpng-1.2.26
- versions.
-
-version 1.2.29beta03 [May 2, 2008]
- Added --force to autogen libtoolize options and --force-missing to
- automake options.
- Changed $(ECHO) to echo in Makefile.am and Makefile.in
- Updated all configure files to autoconf-2.62
- #ifdef out pnggcrd.c code if using MSC_VER
-
-version 1.2.29rc01 [May 4, 2008]
- No changes.
-
-version 1.0.35 and 1.2.29 [May 8, 2008]
- No changes.
-
-version 1.0.37 [May 9, 2008]
- Updated Makefile.in and configure (omitted version 1.0.36).
-
-version 1.2.30beta01 [May 29, 2008]
- Updated libpng.pc-configure.in and libpng-config.in per debian bug reports.
-
-version 1.2.30beta02 [June 25, 2008]
- Restored png_flush(png_ptr) at the end of png_write_end(), that was
- removed from libpng-1.0.9beta03.
-
-version 1.2.30beta03 [July 6, 2008]
- Merged some cosmetic whitespace changes from libpng-1.4.0beta19.
- Inline call of png_get_uint_32() in png_get_uint_31(), as in 1.4.0beta19.
- Added demo of decoding vpAg and sTER chunks to pngtest.c, from 1.4.0beta19.
- Changed PNGMAJ from 0 to 12 in makefile.darwin, which does not like 0.
- Added new private function png_read_chunk_header() from 1.4.0beta19.
- Merge reading of chunk length and chunk type into a single 8-byte read.
- Merge writing of chunk length and chunk type into a single 8-byte write.
-
-version 1.2.30beta04 [July 10, 2008]
- Merged more cosmetic whitespace changes from libpng-1.4.0beta19.
-
-version 1.0.38rc01, 1.2.30rc01 [July 18, 2008]
- No changes.
-
-version 1.0.38rc02, 1.2.30rc02 [July 21, 2008]
- Moved local array "chunkdata" from pngrutil.c to the png_struct, so
- it will be freed by png_read_destroy() in case of a read error (Kurt
- Christensen).
-
-version 1.0.38rc03, 1.2.30rc03 [July 21, 2008]
- Changed "purpose" and "buffer" to png_ptr->chunkdata to avoid memory leaking.
-
-version 1.0.38rc04, 1.2.30rc04 [July 22, 2008]
- Changed "chunkdata = NULL" to "png_ptr->chunkdata = NULL" several places in
- png_decompress_chunk().
-
-version 1.0.38rc05, 1.2.30rc05 [July 25, 2008]
- Changed all remaining "chunkdata" to "png_ptr->chunkdata" in
- png_decompress_chunk() and remove chunkdata from parameter list.
- Put a call to png_check_chunk_name() in png_read_chunk_header().
- Revised png_check_chunk_name() to reject a name with a lowercase 3rd byte.
- Removed two calls to png_check_chunk_name() occuring later in the process.
-
-version 1.0.38rc06, 1.2.30rc06 [July 29, 2008]
- Added a call to png_check_chunk_name() in pngpread.c
- Reverted png_check_chunk_name() to accept a name with a lowercase 3rd byte.
-
-version 1.0.38r07, 1.2.30r07 [August 2, 2008]
- Changed "-Wall" to "-W -Wall" in the CFLAGS in all makefiles (Cosmin Truta)
- Declared png_ptr "volatile" in pngread.c and pngwrite.c to avoid warnings.
- Added code in pngset.c to quiet compiler warnings.
- Updated contrib/visupng/cexcept.h to version 2.0.1
- Relocated a misplaced "#endif /* PNG_NO_WRITE_FILTER */" in pngwutil.c
-
-version 1.0.38r08, 1.2.30r08 [August 2, 2008]
- Enclose "volatile" declarations in #ifdef PNG_SETJMP_SUPPORTED (Cosmin).
-
-version 1.0.38, 1.2.30 [August 14, 2008]
- No changes.
-
-version 1.2.31rc01 [August 19, 2008]
- Removed extra crc check at the end of png_handle_cHRM(). Bug introduced
- in libpng-1.2.30beta03 (Heiko Nitzsche).
-
-version 1.2.31rc02 [August 19, 2008]
- Added PNG_WRITE_FLUSH_SUPPORTED block around new png_flush() call.
-
-version 1.2.31rc03 [August 19, 2008]
- Added PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED block, off by default, around
- new png_flush().
-
-version 1.0.39, 1.2.31 [August 21, 2008]
- No changes.
-
-version 1.2.32beta01 [September 6, 2008]
- Shortened tIME_string to 29 bytes in pngtest.c (bug introduced in
- libpng-1.2.22).
- Fixed off-by-one error introduced in png_push_read_zTXt() function in
- libpng-1.2.30beta04/pngpread.c (Harald van Dijk)
- These bugs have been given the vulnerability id CVE-2008-3964.
-
-version 1.0.40, 1.2.32 [September 18, 2008]
- No changes.
-
-version 1.2.33beta01 [October 6, 2008]
- Revised makefile.darwin to fix shared library numbering.
- Change png_set_gray_1_2_4_to_8() to png_set_expand_gray_1_2_4_to_8()
- in example.c (debian bug report)
-
-version 1.2.33rc01 [October 15, 2008]
- No changes.
-
-version 1.0.41rc01, version 1.2.33rc02 [October 23, 2008]
- Changed remaining "key" to "png_ptr->chunkdata" in png_handle_tEXt()
- to avoid memory leak after memory failure while reading tEXt chunk.`
-
-version 1.2.33 [October 31, 2008]
- No changes.
-
-version 1.2.34beta01 [November 27, 2008]
- Revised png_warning() to write its message on standard output by default
- when warning_fn is NULL. This was the behavior prior to libpng-1.2.9beta9.
- Fixed string vs pointer-to-string error in png_check_keyword().
- Added png_check_cHRM_fixed() in png.c and moved checking from pngget.c,
- pngrutil.c, and pngwrite.c, and eliminated floating point cHRM checking.
- Added check for zero-area RGB cHRM triangle in png_check_cHRM_fixed().
- In png_check_cHRM_fixed(), ensure white_y is > 0, and removed redundant
- check for all-zero coordinates that is detected by the triangle check.
- Revised png_warning() to write its message on standard output by default
- when warning_fn is NULL.
-
-version 1.2.34beta02 [November 28, 2008]
- Corrected off-by-one error in bKGD validity check in png_write_bKGD()
- and in png_handle_bKGD().
-
-version 1.2.34beta03 [December 1, 2008]
- Revised bKGD validity check to use >= x instead of > x + 1
- Merged with png_debug from libpng-1.4.0 to remove newlines.
-
-version 1.2.34beta04 [December 2, 2008]
- More merging with png_debug from libpng-1.4.0 to remove newlines.
-
-version 1.2.34beta05 [December 5, 2008]
- Removed redundant check for key==NULL before calling png_check_keyword()
- to ensure that new_key gets initialized and removed extra warning
- (Arvan Pritchard).
-
-version 1.2.34beta06 [December 9, 2008]
- In png_write_png(), respect the placement of the filler bytes in an earlier
- call to png_set_filler() (Jim Barry).
-
-version 1.2.34beta07 [December 9, 2008]
- Undid previous change and added PNG_TRANSFORM_STRIP_FILLER_BEFORE and
- PNG_TRANSFORM_STRIP_FILLER_AFTER conditionals and deprecated
- PNG_TRANSFORM_STRIP_FILLER (Jim Barry).
-
-version 1.0.42rc01, 1.2.34rc01 [December 11, 2008]
- No changes.
-
-version 1.0.42, 1.2.34 [December 18, 2008]
- No changes.
-
-version 1.2.35beta01 [February 4, 2009]
- Zero out some arrays of pointers after png_malloc(). (Tavis Ormandy)
-
-version 1.2.35beta02 [February 4, 2009]
- Zero out more arrays of pointers after png_malloc().
-
-version 1.2.35beta03 [February 5, 2009]
- Use png_memset() instead of a loop to intialize pointers. We realize
- this will not work on platforms where the NULL pointer is not all zeroes.
-
-version 1.2.35rc01 [February 11, 2009]
- No changes.
-
-version 1.2.35rc02 [February 12, 2009]
- Fix typo in new png_memset call in pngset.c (png_color should be png_charp)
-
-version 1.2.35 [February 14, 2009]
- No changes.
-
-version 1.0.43 and 1.2.35 [February 14, 2009]
- No changes.
-
-version 1.2.36beta01 [February 28, 2009]
- Revised comments in png_set_read_fn() and png_set_write_fn().
- Revised order of #ifdef's and indentation in png_debug definitions of png.h
- bug introduced in libpng-1.2.34.
-
-version 1.2.36beta02 [March 21, 2009]
- Use png_memset() after png_malloc() of big_row_buf when reading an
- interlaced file, to avoid a possible UMR.
- Undid recent revision of PNG_NO_STDIO version of png_write_flush(). Users
- having trouble with fflush() can build with PNG_NO_WRITE_FLUSH defined.
- Revised libpng*.txt documentation about use of png_write_flush().
- Removed fflush() from pngtest.c.
- Added "#define PNG_NO_WRITE_FLUSH" to contrib/pngminim/encoder/pngusr.h
-
-version 1.2.36beta03 [March 27, 2009]
- Relocated misplaced PNG_1_0_X define in png.h that caused the prototype
- for png_set_strip_error_numbers() to be omitted from PNG_NO_ASSEMBLER_CODE
- builds. This bug was introduced in libpng-1.2.15beta4.
- Added a section on differences between 1.0.x and 1.2.x to libpng.3/libpng.txt
-
-version 1.2.36beta04 [April 5, 2009]
- Fixed potential memory leak of "new_name" in png_write_iCCP() (Ralph Giles)
-
-version 1.2.36beta05 [April 24, 2009]
- Added "ifndef PNG_SKIP_SETJMP_CHECK" block in pngconf.h to allow
- application code writers to bypass the check for multiple inclusion
- of setjmp.h when they know that it is safe to ignore the situation.
- Made some cosmetic changes to whitespace in pngtest output.
- Renamed "user_chunk_data" to "my_user_chunk_data" in pngtest.c to suppress
- "shadowed declaration" warning from gcc-4.3.3.
- Renamed "gamma" to "png_gamma" in pngset.c to avoid "shadowed declaration"
- warning about a global "gamma" variable in math.h on some platforms.
-
-version 1.2.36rc01 [April 30, 2009]
- No changes.
-
-version 1.0.44 and 1.2.36 [May 7, 2009]
- No changes.
-
-version 1.2.37beta01 [May 14, 2009]
- Fixed inconsistency in pngrutil.c, introduced in libpng-1.2.36. The
- memset() was using "png_ptr->rowbytes" instead of "row_bytes", which
- the corresponding png_malloc() uses (Joe Drew).
- Clarified usage of sig_bit versus sig_bit_p in example.c (Vincent Torri)
- Updated some of the makefiles in the scripts directory (merged with
- those in libpng-1.4.0beta57).
-
-version 1.2.37beta02 [May 19, 2009]
- Fixed typo in libpng documentation (FILTER_AVE should be FILTER_AVG)
- Relocated misplaced #endif in pngwrite.c, sCAL chunk handler.
- Conditionally compile png_read_finish_row() which is not used by
- progressive readers.
- Added contrib/pngminim/preader to demonstrate building minimal progressive
- decoder, based on contrib/gregbook with embedded libpng and zlib.
-
-version 1.2.37beta03 [May 20, 2009]
- In contrib/pngminim/*, renamed "makefile.std" to "makefile", since there
- is only one makefile in those directories, and revised the README files
- accordingly.
- Reformated sources in libpng style (3-space indentation, comment format)
-
-version 1.2.37rc01 [May 27, 2009]
- No changes.
-
-versions 1.2.37 and 1.0.45 [June 4, 2009]
- Reformatted several remaining "else statement;" and "if () statment;" into
- two lines.
- Added "#define PNG_NO_WRITE_SWAP" to contrib/pngminim/encoder/pngusr.h
- and "define PNG_NO_READ_SWAP" to decoder/pngusr.h and preader/pngusr.h
- Added sections about the git repository and our coding style to the
- documentation (merged from libpng-1.4.0beta62)
- Added a section about using png_get_io_ptr() in configure scripts to detect
- the presence of libpng.
-
-Send comments/corrections/commendations to png-mng-implement at lists.sf.net
-(subscription required; visit
-https://lists.sourceforge.net/lists/listinfo/png-mng-implement
-to subscribe)
-or to glennrp at users.sourceforge.net
-
-Glenn R-P
-*/
+++ /dev/null
-
-Installing libpng version 1.2.37 - June 4, 2009
-
-On Unix/Linux and similar systems, you can simply type
-
- ./configure [--prefix=/path]
- make check
- make install
-
-and ignore the rest of this document.
-
-If configure does not work on your system and you have a reasonably
-up-to-date set of tools, running ./autogen.sh before running ./configure
-may fix the problem. You can also run the individual commands in
-autogen.sh with the --force option, if supported by your version of
-the tools. If you run 'libtoolize --force', though, this will replace
-the distributed, patched, version of ltmain.sh with an unpatched version
-and your shared library builds may fail to produce libraries with the
-correct version numbers.
-
-Instead, you can use one of the custom-built makefiles in the
-"scripts" directory
-
- cp scripts/makefile.system makefile
- make test
- make install
-
-Or you can use one of the "projects" in the "projects" directory.
-
-If you want to use "cmake" (see www.cmake.org), copy CMakeLists.txt
-from the "scripts" directory to this directory and type
-
- cmake . [-DPNG_MMX=YES] -DCMAKE_INSTALL_PREFIX=/path
- make
- make install
-
-Before installing libpng, you must first install zlib, if it
-is not already on your system. zlib can usually be found
-wherever you got libpng. zlib can be placed in another directory,
-at the same level as libpng.
-
-If your system already has a preinstalled zlib you will still need
-to have access to the zlib.h and zconf.h include files that
-correspond to the version of zlib that's installed.
-
-You can rename the directories that you downloaded (they
-might be called "libpng-1.2.37" or "lpng109" and "zlib-1.2.1"
-or "zlib121") so that you have directories called "zlib" and "libpng".
-
-Your directory structure should look like this:
-
- .. (the parent directory)
- libpng (this directory)
- INSTALL (this file)
- README
- *.h
- *.c
- contrib
- gregbook
- pngminus
- pngsuite
- visupng
- projects
- beos
- c5builder (Borland)
- visualc6 (msvc)
- netware.txt
- wince.txt
- scripts
- makefile.*
- pngtest.png
- etc.
- zlib
- README
- *.h
- *.c
- contrib
- etc.
-
-If the line endings in the files look funny, you may wish to get the other
-distribution of libpng. It is available in both tar.gz (UNIX style line
-endings) and zip (DOS style line endings) formats.
-
-If you are building libpng with MSVC, you can enter the
-libpng projects\visualc6 directory and follow the instructions in
-projects\visualc6\README.txt.
-
-You can build libpng for WindowsCE by downloading and installing
-the projects\wince directory as instructed in the projects\wince.txt file, and
-then following the instructions in the README* files. Similarly, you can
-build libpng for Netware or Beos as instructed in projects\netware.txt
-or projects\beos.
-
-Else enter the zlib directory and follow the instructions in zlib/README,
-then come back here and run "configure" or choose the appropriate
-makefile.sys in the scripts directory.
-
-The files that are presently available in the scripts directory
-include
-
- CMakeLists.txt => "cmake" script
- makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
- makefile.elf => Linux/ELF makefile symbol versioning,
- gcc, creates libpng12.so.0.1.2.37)
- makefile.linux => Linux/ELF makefile
- (gcc, creates libpng12.so.0.1.2.37)
- makefile.gcc => Generic makefile (gcc, creates static libpng.a)
- makefile.knr => Archaic UNIX Makefile that converts files with
- ansi2knr (Requires ansi2knr.c from
- ftp://ftp.cs.wisc.edu/ghost)
- makefile.aix => AIX/gcc makefile
- makefile.cygwin => Cygwin/gcc makefile
- makefile.darwin => Darwin makefile, can use on MacosX
- makefile.dec => DEC Alpha UNIX makefile
- makefile.freebsd => FreeBSD makefile
- makefile.hpgcc => HPUX makefile using gcc
- makefile.hpux => HPUX (10.20 and 11.00) makefile
- makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64-bit
- makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
- makefile.intel => Intel C/C++ version 4.0 and later
- libpng.icc => Project file for IBM VisualAge/C++ version 4.0 or later
- makefile.netbsd => NetBSD/cc makefile, uses PNGGCCRD, makes libpng.so.
- makefile.ne12bsd => NetBSD/cc makefile, uses PNGGCCRD,
- makes libpng12.so
- makefile.openbsd => OpenBSD makefile
- makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
- makefile.sggcc => Silicon Graphics (gcc,
- creates libpng12.so.0.1.2.37)
- makefile.sunos => Sun makefile
- makefile.solaris => Solaris 2.X makefile (gcc,
- creates libpng12.so.0.1.2.37)
- makefile.solaris-x86 => Solaris/intelMMX 2.X makefile (gcc,
- creates libpng12.so.0.1.2.37)
- makefile.so9 => Solaris 9 makefile (gcc,
- creates libpng12.so.0.1.2.37)
- makefile.32sunu => Sun Ultra 32-bit makefile
- makefile.64sunu => Sun Ultra 64-bit makefile
- makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
- makefile.mips => MIPS makefile
- makefile.acorn => Acorn makefile
- makefile.amiga => Amiga makefile
- smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC compiler
- (Requires SCOPTIONS, copied from scripts/SCOPTIONS.ppc)
- makefile.atari => Atari makefile
- makefile.beos => BEOS makefile for X86
- makefile.bor => Borland makefile (uses bcc)
- makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode)
- makefile.tc3 => Turbo C 3.0 makefile
- makefile.dj2 => DJGPP 2 makefile
- makefile.msc => Microsoft C makefile
- makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and later
- makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
- pngos2.def => OS/2 module definition file used by makefile.os2
- makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model
- makevms.com => VMS build script
- descrip.mms => VMS makefile for MMS or MMK
- SCOPTIONS.ppc => Used with smakefile.ppc
-
-Copy the file (or files) that you need from the
-scripts directory into this directory, for example
-
- MSDOS example: copy scripts\makefile.msc makefile
- UNIX example: cp scripts/makefile.std makefile
-
-Read the makefile to see if you need to change any source or
-target directories to match your preferences.
-
-Then read pngconf.h to see if you want to make any configuration
-changes.
-
-Then just run "make" which will create the libpng library in
-this directory and "make test" which will run a quick test that reads
-the "pngtest.png" file and writes a "pngout.png" file that should be
-identical to it. Look for "9782 zero samples" in the output of the
-test. For more confidence, you can run another test by typing
-"pngtest pngnow.png" and looking for "289 zero samples" in the output.
-Also, you can run "pngtest -m contrib/pngsuite/*.png" and compare
-your output with the result shown in contrib/pngsuite/README.
-
-Most of the makefiles will allow you to run "make install" to
-put the library in its final resting place (if you want to
-do that, run "make install" in the zlib directory first if necessary).
-Some also allow you to run "make test-installed" after you have
-run "make install".
-
-If you encounter a compiler error message complaining about the
-lines
- __png.h__ already includes setjmp.h;
- __dont__ include it again.;
-This means you have compiled another module that includes setjmp.h,
-which is hazardous because the two modules might not include exactly
-the same setjmp.h. If you are sure that you know what you are doing
-and that they are exactly the same, then you can comment out or
-delete the two lines. Better yet, use the cexcept interface
-instead, as demonstrated in contrib/visupng of the libpng distribution.
-
-Further information can be found in the README and libpng.txt
-files, in the individual makefiles, in png.h, and the manual pages
-libpng.3 and png.5.
-
-
-Using the ./configure script -- 16 December 2002.
-=================================================
-
-
-The ./configure script should work compatibly with what scripts/makefile.*
-did, however there are some options you need to add to configure explicitly,
-which previously was done semi-automatically (if you didn't edit
-scripts/makefile.* yourself, that is)
-
-
-CFLAGS="-Wall -O -funroll-loops \
--malign-loops=2 -malign-functions=2" ./configure --prefix=/usr/include \
---with-pkgconfigdir=/usr/lib/pkgconfig --includedir=/usr/include
-
-You can alternatively specify --includedir=/usr/include, /usr/local/include,
-/usr/include/png12, or whatever.
-
-
+++ /dev/null
-
-Known bugs in libpng version 1.2.37
-
-1. February 23, 2006: The custom makefiles don't build libpng with -lz.
-
- STATUS: This is a subject of debate. The change will probably be made
- as a part of a major overhaul of the makefiles in libpng version 1.4.0.
-
-2. February 24, 2006: The Makefile generated by the "configure" script
- fails to install symbolic links
- libpng12.so => libpng12.so.0.1.2.9betaN
- that are generated by the custom makefiles.
-
-3. September 4, 2007: There is a report that pngtest crashes on MacOS 10.
-
- STATUS: workarounds are
- 1) Compile without optimization (crashes are observed with
- -arch i386 and -O2 or -O3, using gcc-4.0.1).
- 2) Compile pngtest.c with PNG_DEBUG defined (the bug goes away if
- you try to look at it).
- 3) Ignore the crash. The library itself seems to be OK.
-
+++ /dev/null
-
-This copy of the libpng notices is provided for your convenience. In case of
-any discrepancy between this copy and the notices in the file png.h that is
-included in the libpng distribution, the latter shall prevail.
-
-COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
-
-If you modify libpng you may insert additional notices immediately following
-this sentence.
-
-libpng versions 1.2.6, August 15, 2004, through 1.2.37, June 4, 2009, are
-Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
-distributed according to the same disclaimer and license as libpng-1.2.5
-with the following individual added to the list of Contributing Authors
-
- Cosmin Truta
-
-libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
-Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
-distributed according to the same disclaimer and license as libpng-1.0.6
-with the following individuals added to the list of Contributing Authors
-
- Simon-Pierre Cadieux
- Eric S. Raymond
- Gilles Vollant
-
-and with the following additions to the disclaimer:
-
- There is no warranty against interference with your enjoyment of the
- library or against infringement. There is no warranty that our
- efforts or the library will fulfill any of your particular purposes
- or needs. This library is provided with all faults, and the entire
- risk of satisfactory quality, performance, accuracy, and effort is with
- the user.
-
-libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
-Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
-distributed according to the same disclaimer and license as libpng-0.96,
-with the following individuals added to the list of Contributing Authors:
-
- Tom Lane
- Glenn Randers-Pehrson
- Willem van Schaik
-
-libpng versions 0.89, June 1996, through 0.96, May 1997, are
-Copyright (c) 1996, 1997 Andreas Dilger
-Distributed according to the same disclaimer and license as libpng-0.88,
-with the following individuals added to the list of Contributing Authors:
-
- John Bowler
- Kevin Bracey
- Sam Bushell
- Magnus Holmgren
- Greg Roelofs
- Tom Tanner
-
-libpng versions 0.5, May 1995, through 0.88, January 1996, are
-Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
-
-For the purposes of this copyright and license, "Contributing Authors"
-is defined as the following set of individuals:
-
- Andreas Dilger
- Dave Martindale
- Guy Eric Schalnat
- Paul Schmidt
- Tim Wegner
-
-The PNG Reference Library is supplied "AS IS". The Contributing Authors
-and Group 42, Inc. disclaim all warranties, expressed or implied,
-including, without limitation, the warranties of merchantability and of
-fitness for any purpose. The Contributing Authors and Group 42, Inc.
-assume no liability for direct, indirect, incidental, special, exemplary,
-or consequential damages, which may result from the use of the PNG
-Reference Library, even if advised of the possibility of such damage.
-
-Permission is hereby granted to use, copy, modify, and distribute this
-source code, or portions hereof, for any purpose, without fee, subject
-to the following restrictions:
-
-1. The origin of this source code must not be misrepresented.
-
-2. Altered versions must be plainly marked as such and must not
- be misrepresented as being the original source.
-
-3. This Copyright notice may not be removed or altered from any
- source or altered source distribution.
-
-The Contributing Authors and Group 42, Inc. specifically permit, without
-fee, and encourage the use of this source code as a component to
-supporting the PNG file format in commercial products. If you use this
-source code in a product, acknowledgment is not required but would be
-appreciated.
-
-
-A "png_get_copyright" function is available, for convenient use in "about"
-boxes and the like:
-
- printf("%s",png_get_copyright(NULL));
-
-Also, the PNG logo (in PNG format, of course) is supplied in the
-files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
-
-Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
-certification mark of the Open Source Initiative.
-
-Glenn Randers-Pehrson
-glennrp at users.sourceforge.net
-June 4, 2009
+++ /dev/null
-# Makefile.am:
-# Source file for Makefile.in (and hence Makefile)
-#
-# Makefile.am need only be changed on a major version number
-# change (e.g. libpng12 --> libpng13). In that case seach
-# this file for every instance of the old base name (libpng12)
-# and change to the new one (libpng13), then change the
-# -version-number settings below so that the new values have
-# the correct major part (first field).
-
-PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
-
-# libpng does not follow GNU file name conventions
-AUTOMAKE_OPTIONS = foreign
-
-# test programs - run on make check, make distcheck
-check_PROGRAMS= pngtest
-pngtest_SOURCES = pngtest.c
-pngtest_LDADD = libpng12.la
-TESTS = test-pngtest.sh
-TESTS_ENVIRONMENT= srcdir=$(srcdir)
-
-# man pages
-dist_man_MANS= libpng.3 libpngpf.3 png.5
-
-# generate the -config scripts if required
-binconfigs= libpng12-config
-EXTRA_SCRIPTS= libpng-config libpng12-config
-bin_SCRIPTS= @binconfigs@
-
-# rules to build libpng, only build the old library on request
-lib_LTLIBRARIES=libpng12.la @compatlib@
-EXTRA_LTLIBRARIES= libpng.la
-libpng12_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
- pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
- pngwtran.c pngmem.c pngerror.c pngpread.c \
- png.h pngconf.h
-libpng_la_SOURCES = $(libpng12_la_SOURCES)
-
-libpng_la_CPPFLAGS = @LIBPNG_DEFINES@
-libpng12_la_CPPFLAGS = @LIBPNG_DEFINES@
-
-# MAJOR UPGRADE: the version-number settings below must be changed.
-libpng12_la_LDFLAGS = -no-undefined -export-dynamic \
- -version-number 0:@PNGLIB_RELEASE@:0
-# -rpath is needed as automake doesn't know the directory
-libpng_la_LDFLAGS = -rpath '$(libdir)' -no-undefined -export-dynamic \
- -version-number 3:@PNGLIB_RELEASE@:0
-
-if HAVE_LD_VERSION_SCRIPT
- # Versioned symbols and restricted exports
- libpng12_la_LDFLAGS += -Wl,--version-script=libpng.vers
- libpng12_la_DEPENDENCIES = libpng.vers
-else
- # Only restricted exports when possible
- libpng12_la_LDFLAGS += -export-symbols libpng.sym
- libpng12_la_DEPENDENCIES = libpng.sym
-endif
-libpng_la_DEPENDENCIES = $(libpng12_la_DEPENDENCIES)
-
-# Avoid depending upon Character Ranges.
-AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
-
-#distribute headers in /usr/include/libpng/*
-pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
-pkginclude_HEADERS= png.h pngconf.h
-
-# pkg-config stuff, note that libpng.pc is always required in order
-# to get the correct library
-pkgconfigdir = @pkgconfigdir@
-pkgconfig_DATA = libpng12.pc
-
-#extra source distribution files.
-EXTRA_DIST= \
- ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \
- pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
- ${srcdir}/projects/cbuilder5/* \
- ${srcdir}/projects/beos/* \
- ${srcdir}/projects/visualc6/* \
- ${srcdir}/projects/visualc71/* \
- ${srcdir}/projects/wince.txt \
- ${srcdir}/projects/netware.txt \
- ${srcdir}/scripts/* \
- ${srcdir}/contrib/gregbook/* \
- ${srcdir}/contrib/pngminus/* \
- ${srcdir}/contrib/pngsuite/* \
- ${srcdir}/contrib/visupng/* \
- $(TESTS) \
- example.c libpng-1.2.37.txt pngvcrd.c
-
-CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \
-libpng.sym
-
-MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
-config.sub configure depcomp install-sh ltmain.sh missing
-
-$(PNGLIB_BASENAME).pc: libpng.pc
- cp libpng.pc $@
-
-$(PNGLIB_BASENAME)-config: libpng-config
- cp libpng-config $@
-
-libpng.sym: png.h pngconf.h
- rm -f $@ $@.new
- $(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \
- $(SED) -n -e \
- 's|^.*PNG_FUNCTION_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
- -e 's|^.*PNG_DATA_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
- >$@.new
- mv $@.new $@
-
-libpng.vers: libpng.sym
- rm -f $@ $@.new
- echo PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0 '{global:' > $@.new
- $(SED) s/$$/\;/ libpng.sym >> $@.new
- echo 'local: *; };' >> $@.new
- mv $@.new $@
-
-test: check
-
-# install the .../include headers as links to the new ones
-install-data-hook:
- cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
- cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
- cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h pngconf.h
- cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc
- cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
-
-# do evil things to libpng to cause libpng12 to be used
-install-exec-hook:
- cd $(DESTDIR)$(bindir); rm -f libpng-config
- cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
- @set -x;\
- cd $(DESTDIR)$(libdir);\
- for ext in a la so sl dylib; do\
- rm -f libpng.$$ext;\
- if test -f $(PNGLIB_BASENAME).$$ext; then\
- $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
- fi;\
- done
-
-uninstall-hook:
- cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
- rm -f $(DESTDIR)$(pkgconfigdir)/libpng.pc
- rm -f $(DESTDIR)$(bindir)/libpng-config
- @if test -n "@compatlib@"; then\
- set -x;\
- cd $(DESTDIR)$(libdir);\
- for ext in a la so sl dylib; do\
- rm -f libpng.$$ext;\
- done;\
- fi
+++ /dev/null
-# Makefile.in generated by automake 1.10.2 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# Makefile.am:
-# Source file for Makefile.in (and hence Makefile)
-#
-# Makefile.am need only be changed on a major version number
-# change (e.g. libpng12 --> libpng13). In that case seach
-# this file for every instance of the old base name (libpng12)
-# and change to the new one (libpng13), then change the
-# -version-number settings below so that the new values have
-# the correct major part (first field).
-
-
-
-
-resdir = ./resource
-pngminusdir = contrib/pngminus
-VPATH = @srcdir@ $(resdir) $(srcdir)/$(pngminusdir)
-pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-build_triplet = @build@
-host_triplet = @host@
-check_PROGRAMS = pngtest$(EXEEXT)
-@HAVE_LD_VERSION_SCRIPT_TRUE@am__append_1 = -Wl,--version-script=libpng.vers
-@HAVE_LD_VERSION_SCRIPT_FALSE@am__append_2 = -export-symbols libpng.sym
-subdir = .
-DIST_COMMON = README $(am__configure_deps) $(dist_man_MANS) \
- $(pkginclude_HEADERS) $(srcdir)/Makefile.am \
- $(srcdir)/Makefile.in $(srcdir)/config.h.in \
- $(top_srcdir)/configure $(top_srcdir)/scripts/libpng-config.in \
- $(top_srcdir)/scripts/libpng.pc-configure.in INSTALL TODO \
- config.guess config.sub depcomp install-sh ltmain.sh missing \
- mkinstalldirs
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/configure.ac
-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
- $(ACLOCAL_M4)
-am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
- configure.lineno config.status.lineno
-mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
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-@HAVE_LD_VERSION_SCRIPT_TRUE@ # Versioned symbols and restricted exports
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-
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-libpng.sym: png.h pngconf.h
- rm -f $@ $@.new
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- 's|^.*PNG_FUNCTION_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
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- mv $@.new $@
-
-test: check
-
-# install the .../include headers as links to the new ones
-install-data-hook:
- cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
- cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
- cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h \
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- cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc
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-
-# do evil things to libpng to cause libpng12 to be used
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- cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
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- cd $(DESTDIR)$(libdir);\
- for ext in a la so sl dylib; do\
- rm -f libpng.$$ext;\
- if test -f $(PNGLIB_BASENAME).$$ext; then\
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- fi;\
- done
-
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- @if test -n "@compatlib@"; then\
- set -x;\
- cd $(DESTDIR)$(libdir);\
- for ext in a la so sl dylib; do\
- rm -f libpng.$$ext;\
- done;\
- fi
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
+++ /dev/null
-README for libpng version 1.2.37 - June 4, 2009 (shared library 12.0)
-See the note about version numbers near the top of png.h
-
-See INSTALL for instructions on how to install libpng.
-
-Libpng comes in several distribution formats. Get libpng-*.tar.gz,
-libpng-*.tar.lzma, or libpng-*.tar.bz2 if you want UNIX-style line
-endings in the text files, or lpng*.7z or lpng*.zip if you want DOS-style
-line endings. You can get UNIX-style line endings from the *.zip file
-by using "unzip -a" but there seems to be no simple way to recover
-UNIX-style line endings from the *.7z file. The *.tar.lzma file is
-recommended for *NIX users instead.
-
-Version 0.89 was the first official release of libpng. Don't let the
-fact that it's the first release fool you. The libpng library has been in
-extensive use and testing since mid-1995. By late 1997 it had
-finally gotten to the stage where there hadn't been significant
-changes to the API in some time, and people have a bad feeling about
-libraries with versions < 1.0. Version 1.0.0 was released in
-March 1998.
-
-****
-Note that some of the changes to the png_info structure render this
-version of the library binary incompatible with libpng-0.89 or
-earlier versions if you are using a shared library. The type of the
-"filler" parameter for png_set_filler() has changed from png_byte to
-png_uint_32, which will affect shared-library applications that use
-this function.
-
-To avoid problems with changes to the internals of png_info_struct,
-new APIs have been made available in 0.95 to avoid direct application
-access to info_ptr. These functions are the png_set_<chunk> and
-png_get_<chunk> functions. These functions should be used when
-accessing/storing the info_struct data, rather than manipulating it
-directly, to avoid such problems in the future.
-
-It is important to note that the APIs do not make current programs
-that access the info struct directly incompatible with the new
-library. However, it is strongly suggested that new programs use
-the new APIs (as shown in example.c and pngtest.c), and older programs
-be converted to the new format, to facilitate upgrades in the future.
-****
-
-Additions since 0.90 include the ability to compile libpng as a
-Windows DLL, and new APIs for accessing data in the info struct.
-Experimental functions include the ability to set weighting and cost
-factors for row filter selection, direct reads of integers from buffers
-on big-endian processors that support misaligned data access, faster
-methods of doing alpha composition, and more accurate 16->8 bit color
-conversion.
-
-The additions since 0.89 include the ability to read from a PNG stream
-which has had some (or all) of the signature bytes read by the calling
-application. This also allows the reading of embedded PNG streams that
-do not have the PNG file signature. As well, it is now possible to set
-the library action on the detection of chunk CRC errors. It is possible
-to set different actions based on whether the CRC error occurred in a
-critical or an ancillary chunk.
-
-The changes made to the library, and bugs fixed are based on discussions
-on the png-mng-implement mailing list
-and not on material submitted privately to Guy, Andreas, or Glenn. They will
-forward any good suggestions to the list.
-
-For a detailed description on using libpng, read libpng.txt. For
-examples of libpng in a program, see example.c and pngtest.c. For usage
-information and restrictions (what little they are) on libpng, see
-png.h. For a description on using zlib (the compression library used by
-libpng) and zlib's restrictions, see zlib.h
-
-I have included a general makefile, as well as several machine and
-compiler specific ones, but you may have to modify one for your own needs.
-
-You should use zlib 1.0.4 or later to run this, but it MAY work with
-versions as old as zlib 0.95. Even so, there are bugs in older zlib
-versions which can cause the output of invalid compression streams for
-some images. You will definitely need zlib 1.0.4 or later if you are
-taking advantage of the MS-DOS "far" structure allocation for the small
-and medium memory models. You should also note that zlib is a
-compression library that is useful for more things than just PNG files.
-You can use zlib as a drop-in replacement for fread() and fwrite() if
-you are so inclined.
-
-zlib should be available at the same place that libpng is, or at
-ftp://ftp.simplesystems.org/pub/png/src/
-
-You may also want a copy of the PNG specification. It is available
-as an RFC, a W3C Recommendation, and an ISO/IEC Standard. You can find
-these at http://www.libpng.org/pub/png/pngdocs.html
-
-This code is currently being archived at libpng.sf.net in the
-[DOWNLOAD] area, and on CompuServe, Lib 20 (PNG SUPPORT)
-at GO GRAPHSUP. If you can't find it in any of those places,
-e-mail me, and I'll help you find it.
-
-If you have any code changes, requests, problems, etc., please e-mail
-them to me. Also, I'd appreciate any make files or project files,
-and any modifications you needed to make to get libpng to compile,
-along with a #define variable to tell what compiler/system you are on.
-If you needed to add transformations to libpng, or wish libpng would
-provide the image in a different way, drop me a note (and code, if
-possible), so I can consider supporting the transformation.
-Finally, if you get any warning messages when compiling libpng
-(note: not zlib), and they are easy to fix, I'd appreciate the
-fix. Please mention "libpng" somewhere in the subject line. Thanks.
-
-This release was created and will be supported by myself (of course
-based in a large way on Guy's and Andreas' earlier work), and the PNG group.
-
-Send comments/corrections/commendations to png-mng-implement at lists.sf.net
-(subscription required; visit
-https://lists.sourceforge.net/lists/listinfo/png-mng-implement
-to subscribe) or to glennrp at users.sourceforge.net
-
-You can't reach Guy, the original libpng author, at the addresses
-given in previous versions of this document. He and Andreas will read mail
-addressed to the png-mng-implement list, however.
-
-Please do not send general questions about PNG. Send them to
-the (png-mng-misc at lists.sourceforge.net, subscription required, visit
-https://lists.sourceforge.net/lists/listinfo/png-mng-implement to subscribe)
-On the other hand,
-please do not send libpng questions to that address, send them to me
-or to the png-mng-implement list. I'll
-get them in the end anyway. If you have a question about something
-in the PNG specification that is related to using libpng, send it
-to me. Send me any questions that start with "I was using libpng,
-and ...". If in doubt, send questions to me. I'll bounce them
-to others, if necessary.
-
-Please do not send suggestions on how to change PNG. We have
-been discussing PNG for twelve years now, and it is official and
-finished. If you have suggestions for libpng, however, I'll
-gladly listen. Even if your suggestion is not used immediately,
-it may be used later.
-
-Files in this distribution:
-
- ANNOUNCE => Announcement of this version, with recent changes
- CHANGES => Description of changes between libpng versions
- KNOWNBUG => List of known bugs and deficiencies
- LICENSE => License to use and redistribute libpng
- README => This file
- TODO => Things not implemented in the current library
- Y2KINFO => Statement of Y2K compliance
- example.c => Example code for using libpng functions
- libpng-*-*-diff.txt => Diff from previous release
- libpng.3 => manual page for libpng (includes libpng.txt)
- libpng.txt => Description of libpng and its functions
- libpngpf.3 => manual page for libpng's private functions
- png.5 => manual page for the PNG format
- png.c => Basic interface functions common to library
- png.h => Library function and interface declarations
- pngconf.h => System specific library configuration
- pngerror.c => Error/warning message I/O functions
- pngget.c => Functions for retrieving info from struct
- pngmem.c => Memory handling functions
- pngbar.png => PNG logo, 88x31
- pngnow.png => PNG logo, 98x31
- pngpread.c => Progressive reading functions
- pngread.c => Read data/helper high-level functions
- pngrio.c => Lowest-level data read I/O functions
- pngrtran.c => Read data transformation functions
- pngrutil.c => Read data utility functions
- pngset.c => Functions for storing data into the info_struct
- pngtest.c => Library test program
- pngtest.png => Library test sample image
- pngtrans.c => Common data transformation functions
- pngwio.c => Lowest-level write I/O functions
- pngwrite.c => High-level write functions
- pngwtran.c => Write data transformations
- pngwutil.c => Write utility functions
- contrib => Contributions
- gregbook => source code for PNG reading and writing, from
- Greg Roelofs' "PNG: The Definitive Guide",
- O'Reilly, 1999
- msvctest => Builds and runs pngtest using a MSVC workspace
- pngminus => Simple pnm2png and png2pnm programs
- pngsuite => Test images
- visupng => Contains a MSVC workspace for VisualPng
- projects => Contains project files and workspaces for building DLL
- beos => Contains a Beos workspace for building libpng
- c5builder => Contains a Borland workspace for building libpng
- and zlib
- visualc6 => Contains a Microsoft Visual C++ (MSVC) workspace
- for building libpng and zlib
- netware.txt => Contains instructions for downloading a set of
- project files for building libpng and zlib on
- Netware.
- wince.txt => Contains instructions for downloading a Microsoft
- Visual C++ (Windows CD Toolkit) workspace for
- building libpng and zlib on WindowsCE
- scripts => Directory containing scripts for building libpng:
- descrip.mms => VMS makefile for MMS or MMK
- makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
- makefile.elf => Linux/ELF makefile symbol versioning,
- gcc, creates libpng12.so.0.1.2.37)
- makefile.linux => Linux/ELF makefile
- (gcc, creates libpng12.so.0.1.2.37)
- makefile.gcmmx => Linux/ELF makefile
- (gcc, creates libpng12.so.0.1.2.37,
- uses assembler code tuned for Intel MMX platform)
- makefile.gcc => Generic makefile (gcc, creates static libpng.a)
- makefile.knr => Archaic UNIX Makefile that converts files with
- ansi2knr (Requires ansi2knr.c from
- ftp://ftp.cs.wisc.edu/ghost)
- makefile.aix => AIX makefile
- makefile.cygwin => Cygwin/gcc makefile
- makefile.darwin => Darwin makefile
- makefile.dec => DEC Alpha UNIX makefile
- makefile.freebsd => FreeBSD makefile
- makefile.hpgcc => HPUX makefile using gcc
- makefile.hpux => HPUX (10.20 and 11.00) makefile
- makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64 bit
- makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
- makefile.intel => Intel C/C++ version 4.0 and later
- libpng.icc => Project file, IBM VisualAge/C++ 4.0 or later
- makefile.netbsd => NetBSD/cc makefile, PNGGCCRD, makes libpng.so.
- makefile.ne12bsd => NetBSD/cc makefile, PNGGCCRD, makes libpng12.so
- makefile.openbsd => OpenBSD makefile
- makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
- makefile.sggcc => Silicon Graphics
- (gcc, creates libpng12.so.0.1.2.37)
- makefile.sunos => Sun makefile
- makefile.solaris => Solaris 2.X makefile
- (gcc, creates libpng12.so.0.1.2.37)
- makefile.so9 => Solaris 9 makefile
- (gcc, creates libpng12.so.0.1.2.37)
- makefile.32sunu => Sun Ultra 32-bit makefile
- makefile.64sunu => Sun Ultra 64-bit makefile
- makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
- makefile.mips => MIPS makefile
- makefile.acorn => Acorn makefile
- makefile.amiga => Amiga makefile
- smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC
- compiler (Requires SCOPTIONS, copied from
- scripts/SCOPTIONS.ppc)
- makefile.atari => Atari makefile
- makefile.beos => BEOS makefile for X86
- makefile.bor => Borland makefile (uses bcc)
- makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode)
- makefile.tc3 => Turbo C 3.0 makefile
- makefile.dj2 => DJGPP 2 makefile
- makefile.msc => Microsoft C makefile
- makefile.vcawin32=> makefile for Microsoft Visual C++ 5.0 and
- later (uses assembler code tuned for Intel MMX
- platform)
- makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and
- later (does not use assembler code)
- makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
- pngos2.def => OS/2 module definition file used by makefile.os2
- makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model
- makevms.com => VMS build script
- SCOPTIONS.ppc => Used with smakefile.ppc
-
-Good luck, and happy coding.
-
--Glenn Randers-Pehrson (current maintainer)
- Internet: glennrp at users.sourceforge.net
-
--Andreas Eric Dilger (former maintainer, 1996-1997)
- Internet: adilger at enel.ucalgary.ca
- Web: http://members.shaw.ca/adilger/
-
--Guy Eric Schalnat (original author and former maintainer, 1995-1996)
- (formerly of Group 42, Inc)
- Internet: gschal at infinet.com
+++ /dev/null
-TODO - list of things to do for libpng:
-
-Final bug fixes.
-Improve API by hiding the png_struct and png_info structs.
-Finish work on the no-floating-point version (including gamma compensation)
-Better C++ wrapper/full C++ implementation?
-Fix problem with C++ and EXTERN "C".
-cHRM transformation.
-Improve setjmp/longjmp usage or remove it in favor of returning error codes.
-Add "grayscale->palette" transformation and "palette->grayscale" detection.
-Improved dithering.
-Multi-lingual error and warning message support.
-Complete sRGB transformation (presently it simply uses gamma=0.45455).
-Man pages for function calls.
-Better documentation.
-Better filter selection
- (counting huffman bits/precompression? filter inertia? filter costs?).
-Histogram creation.
-Text conversion between different code pages (Latin-1 -> Mac and DOS).
-Should we always malloc 2^bit_depth PLTE/tRNS/hIST entries for safety?
-Build gamma tables using fixed point (and do away with floating point entirely).
-Use greater precision when changing to linear gamma for compositing against
- background and doing rgb-to-gray transformation.
-Investigate pre-incremented loop counters and other loop constructions.
+++ /dev/null
- Y2K compliance in libpng:
- =========================
-
- June 4, 2009
-
- Since the PNG Development group is an ad-hoc body, we can't make
- an official declaration.
-
- This is your unofficial assurance that libpng from version 0.71 and
- upward through 1.2.37 are Y2K compliant. It is my belief that earlier
- versions were also Y2K compliant.
-
- Libpng only has three year fields. One is a 2-byte unsigned integer
- that will hold years up to 65535. The other two hold the date in text
- format, and will hold years up to 9999.
-
- The integer is
- "png_uint_16 year" in png_time_struct.
-
- The strings are
- "png_charp time_buffer" in png_struct and
- "near_time_buffer", which is a local character string in png.c.
-
- There are seven time-related functions:
-
- png_convert_to_rfc_1123() in png.c
- (formerly png_convert_to_rfc_1152() in error)
- png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c
- png_convert_from_time_t() in pngwrite.c
- png_get_tIME() in pngget.c
- png_handle_tIME() in pngrutil.c, called in pngread.c
- png_set_tIME() in pngset.c
- png_write_tIME() in pngwutil.c, called in pngwrite.c
-
- All appear to handle dates properly in a Y2K environment. The
- png_convert_from_time_t() function calls gmtime() to convert from system
- clock time, which returns (year - 1900), which we properly convert to
- the full 4-digit year. There is a possibility that applications using
- libpng are not passing 4-digit years into the png_convert_to_rfc_1123()
- function, or that they are incorrectly passing only a 2-digit year
- instead of "year - 1900" into the png_convert_from_struct_tm() function,
- but this is not under our control. The libpng documentation has always
- stated that it works with 4-digit years, and the APIs have been
- documented as such.
-
- The tIME chunk itself is also Y2K compliant. It uses a 2-byte unsigned
- integer to hold the year, and can hold years as large as 65535.
-
- zlib, upon which libpng depends, is also Y2K compliant. It contains
- no date-related code.
-
-
- Glenn Randers-Pehrson
- libpng maintainer
- PNG Development Group
+++ /dev/null
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-m4_define([_lt_decl_all_varnames],
-[lt_join($@, lt_decl_varnames_tagged([$1],
- lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
-])
-
-
-# _LT_CONFIG_STATUS_DECLARE([VARNAME])
-# ------------------------------------
-# Quote a variable value, and forward it to `config.status' so that its
-# declaration there will have the same value as in `configure'. VARNAME
-# must have a single quote delimited value for this to work.
-m4_define([_LT_CONFIG_STATUS_DECLARE],
-[$1='`$ECHO "X$][$1" | $Xsed -e "$delay_single_quote_subst"`'])
-
-
-# _LT_CONFIG_STATUS_DECLARATIONS
-# ------------------------------
-# We delimit libtool config variables with single quotes, so when
-# we write them to config.status, we have to be sure to quote all
-# embedded single quotes properly. In configure, this macro expands
-# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
-#
-# <var>='`$ECHO "X$<var>" | $Xsed -e "$delay_single_quote_subst"`'
-m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
-[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
- [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
-
-
-# _LT_LIBTOOL_TAGS
-# ----------------
-# Output comment and list of tags supported by the script
-m4_defun([_LT_LIBTOOL_TAGS],
-[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
-available_tags="_LT_TAGS"dnl
-])
-
-
-# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
-# -----------------------------------
-# Extract the dictionary values for VARNAME (optionally with TAG) and
-# expand to a commented shell variable setting:
-#
-# # Some comment about what VAR is for.
-# visible_name=$lt_internal_name
-m4_define([_LT_LIBTOOL_DECLARE],
-[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
- [description])))[]dnl
-m4_pushdef([_libtool_name],
- m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
-m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
- [0], [_libtool_name=[$]$1],
- [1], [_libtool_name=$lt_[]$1],
- [2], [_libtool_name=$lt_[]$1],
- [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
-m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
-])
-
-
-# _LT_LIBTOOL_CONFIG_VARS
-# -----------------------
-# Produce commented declarations of non-tagged libtool config variables
-# suitable for insertion in the LIBTOOL CONFIG section of the `libtool'
-# script. Tagged libtool config variables (even for the LIBTOOL CONFIG
-# section) are produced by _LT_LIBTOOL_TAG_VARS.
-m4_defun([_LT_LIBTOOL_CONFIG_VARS],
-[m4_foreach([_lt_var],
- m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
- [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
-
-
-# _LT_LIBTOOL_TAG_VARS(TAG)
-# -------------------------
-m4_define([_LT_LIBTOOL_TAG_VARS],
-[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
- [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
-
-
-# _LT_TAGVAR(VARNAME, [TAGNAME])
-# ------------------------------
-m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
-
-
-# _LT_CONFIG_COMMANDS
-# -------------------
-# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of
-# variables for single and double quote escaping we saved from calls
-# to _LT_DECL, we can put quote escaped variables declarations
-# into `config.status', and then the shell code to quote escape them in
-# for loops in `config.status'. Finally, any additional code accumulated
-# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
-m4_defun([_LT_CONFIG_COMMANDS],
-[AC_PROVIDE_IFELSE([LT_OUTPUT],
- dnl If the libtool generation code has been placed in $CONFIG_LT,
- dnl instead of duplicating it all over again into config.status,
- dnl then we will have config.status run $CONFIG_LT later, so it
- dnl needs to know what name is stored there:
- [AC_CONFIG_COMMANDS([libtool],
- [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
- dnl If the libtool generation code is destined for config.status,
- dnl expand the accumulated commands and init code now:
- [AC_CONFIG_COMMANDS([libtool],
- [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
-])#_LT_CONFIG_COMMANDS
-
-
-# Initialize.
-m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
-[
-
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-sed_quote_subst='$sed_quote_subst'
-double_quote_subst='$double_quote_subst'
-delay_variable_subst='$delay_variable_subst'
-_LT_CONFIG_STATUS_DECLARATIONS
-LTCC='$LTCC'
-LTCFLAGS='$LTCFLAGS'
-compiler='$compiler_DEFAULT'
-
-# Quote evaled strings.
-for var in lt_decl_all_varnames([[ \
-]], lt_decl_quote_varnames); do
- case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in
- *[[\\\\\\\`\\"\\\$]]*)
- eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
- ;;
- *)
- eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
- ;;
- esac
-done
-
-# Double-quote double-evaled strings.
-for var in lt_decl_all_varnames([[ \
-]], lt_decl_dquote_varnames); do
- case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in
- *[[\\\\\\\`\\"\\\$]]*)
- eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
- ;;
- *)
- eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
- ;;
- esac
-done
-
-# Fix-up fallback echo if it was mangled by the above quoting rules.
-case \$lt_ECHO in
-*'\\\[$]0 --fallback-echo"')dnl "
- lt_ECHO=\`\$ECHO "X\$lt_ECHO" | \$Xsed -e 's/\\\\\\\\\\\\\\\[$]0 --fallback-echo"\[$]/\[$]0 --fallback-echo"/'\`
- ;;
-esac
-
-_LT_OUTPUT_LIBTOOL_INIT
-])
-
-
-# LT_OUTPUT
-# ---------
-# This macro allows early generation of the libtool script (before
-# AC_OUTPUT is called), incase it is used in configure for compilation
-# tests.
-AC_DEFUN([LT_OUTPUT],
-[: ${CONFIG_LT=./config.lt}
-AC_MSG_NOTICE([creating $CONFIG_LT])
-cat >"$CONFIG_LT" <<_LTEOF
-#! $SHELL
-# Generated by $as_me.
-# Run this file to recreate a libtool stub with the current configuration.
-
-lt_cl_silent=false
-SHELL=\${CONFIG_SHELL-$SHELL}
-_LTEOF
-
-cat >>"$CONFIG_LT" <<\_LTEOF
-AS_SHELL_SANITIZE
-_AS_PREPARE
-
-exec AS_MESSAGE_FD>&1
-exec AS_MESSAGE_LOG_FD>>config.log
-{
- echo
- AS_BOX([Running $as_me.])
-} >&AS_MESSAGE_LOG_FD
-
-lt_cl_help="\
-\`$as_me' creates a local libtool stub from the current configuration,
-for use in further configure time tests before the real libtool is
-generated.
-
-Usage: $[0] [[OPTIONS]]
-
- -h, --help print this help, then exit
- -V, --version print version number, then exit
- -q, --quiet do not print progress messages
- -d, --debug don't remove temporary files
-
-Report bugs to <bug-libtool@gnu.org>."
-
-lt_cl_version="\
-m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
-m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
-configured by $[0], generated by m4_PACKAGE_STRING.
-
-Copyright (C) 2008 Free Software Foundation, Inc.
-This config.lt script is free software; the Free Software Foundation
-gives unlimited permision to copy, distribute and modify it."
-
-while test $[#] != 0
-do
- case $[1] in
- --version | --v* | -V )
- echo "$lt_cl_version"; exit 0 ;;
- --help | --h* | -h )
- echo "$lt_cl_help"; exit 0 ;;
- --debug | --d* | -d )
- debug=: ;;
- --quiet | --q* | --silent | --s* | -q )
- lt_cl_silent=: ;;
-
- -*) AC_MSG_ERROR([unrecognized option: $[1]
-Try \`$[0] --help' for more information.]) ;;
-
- *) AC_MSG_ERROR([unrecognized argument: $[1]
-Try \`$[0] --help' for more information.]) ;;
- esac
- shift
-done
-
-if $lt_cl_silent; then
- exec AS_MESSAGE_FD>/dev/null
-fi
-_LTEOF
-
-cat >>"$CONFIG_LT" <<_LTEOF
-_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
-_LTEOF
-
-cat >>"$CONFIG_LT" <<\_LTEOF
-AC_MSG_NOTICE([creating $ofile])
-_LT_OUTPUT_LIBTOOL_COMMANDS
-AS_EXIT(0)
-_LTEOF
-chmod +x "$CONFIG_LT"
-
-# configure is writing to config.log, but config.lt does its own redirection,
-# appending to config.log, which fails on DOS, as config.log is still kept
-# open by configure. Here we exec the FD to /dev/null, effectively closing
-# config.log, so it can be properly (re)opened and appended to by config.lt.
-if test "$no_create" != yes; then
- lt_cl_success=:
- test "$silent" = yes &&
- lt_config_lt_args="$lt_config_lt_args --quiet"
- exec AS_MESSAGE_LOG_FD>/dev/null
- $SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
- exec AS_MESSAGE_LOG_FD>>config.log
- $lt_cl_success || AS_EXIT(1)
-fi
-])# LT_OUTPUT
-
-
-# _LT_CONFIG(TAG)
-# ---------------
-# If TAG is the built-in tag, create an initial libtool script with a
-# default configuration from the untagged config vars. Otherwise add code
-# to config.status for appending the configuration named by TAG from the
-# matching tagged config vars.
-m4_defun([_LT_CONFIG],
-[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-_LT_CONFIG_SAVE_COMMANDS([
- m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
- m4_if(_LT_TAG, [C], [
- # See if we are running on zsh, and set the options which allow our
- # commands through without removal of \ escapes.
- if test -n "${ZSH_VERSION+set}" ; then
- setopt NO_GLOB_SUBST
- fi
-
- cfgfile="${ofile}T"
- trap "$RM \"$cfgfile\"; exit 1" 1 2 15
- $RM "$cfgfile"
-
- cat <<_LT_EOF >> "$cfgfile"
-#! $SHELL
-
-# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
-# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
-# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
-# NOTE: Changes made to this file will be lost: look at ltmain.sh.
-#
-_LT_COPYING
-_LT_LIBTOOL_TAGS
-
-# ### BEGIN LIBTOOL CONFIG
-_LT_LIBTOOL_CONFIG_VARS
-_LT_LIBTOOL_TAG_VARS
-# ### END LIBTOOL CONFIG
-
-_LT_EOF
-
- case $host_os in
- aix3*)
- cat <<\_LT_EOF >> "$cfgfile"
-# AIX sometimes has problems with the GCC collect2 program. For some
-# reason, if we set the COLLECT_NAMES environment variable, the problems
-# vanish in a puff of smoke.
-if test "X${COLLECT_NAMES+set}" != Xset; then
- COLLECT_NAMES=
- export COLLECT_NAMES
-fi
-_LT_EOF
- ;;
- esac
-
- _LT_PROG_LTMAIN
-
- # We use sed instead of cat because bash on DJGPP gets confused if
- # if finds mixed CR/LF and LF-only lines. Since sed operates in
- # text mode, it properly converts lines to CR/LF. This bash problem
- # is reportedly fixed, but why not run on old versions too?
- sed '/^# Generated shell functions inserted here/q' "$ltmain" >> "$cfgfile" \
- || (rm -f "$cfgfile"; exit 1)
-
- _LT_PROG_XSI_SHELLFNS
-
- sed -n '/^# Generated shell functions inserted here/,$p' "$ltmain" >> "$cfgfile" \
- || (rm -f "$cfgfile"; exit 1)
-
- mv -f "$cfgfile" "$ofile" ||
- (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
- chmod +x "$ofile"
-],
-[cat <<_LT_EOF >> "$ofile"
-
-dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
-dnl in a comment (ie after a #).
-# ### BEGIN LIBTOOL TAG CONFIG: $1
-_LT_LIBTOOL_TAG_VARS(_LT_TAG)
-# ### END LIBTOOL TAG CONFIG: $1
-_LT_EOF
-])dnl /m4_if
-],
-[m4_if([$1], [], [
- PACKAGE='$PACKAGE'
- VERSION='$VERSION'
- TIMESTAMP='$TIMESTAMP'
- RM='$RM'
- ofile='$ofile'], [])
-])dnl /_LT_CONFIG_SAVE_COMMANDS
-])# _LT_CONFIG
-
-
-# LT_SUPPORTED_TAG(TAG)
-# ---------------------
-# Trace this macro to discover what tags are supported by the libtool
-# --tag option, using:
-# autoconf --trace 'LT_SUPPORTED_TAG:$1'
-AC_DEFUN([LT_SUPPORTED_TAG], [])
-
-
-# C support is built-in for now
-m4_define([_LT_LANG_C_enabled], [])
-m4_define([_LT_TAGS], [])
-
-
-# LT_LANG(LANG)
-# -------------
-# Enable libtool support for the given language if not already enabled.
-AC_DEFUN([LT_LANG],
-[AC_BEFORE([$0], [LT_OUTPUT])dnl
-m4_case([$1],
- [C], [_LT_LANG(C)],
- [C++], [_LT_LANG(CXX)],
- [Java], [_LT_LANG(GCJ)],
- [Fortran 77], [_LT_LANG(F77)],
- [Fortran], [_LT_LANG(FC)],
- [Windows Resource], [_LT_LANG(RC)],
- [m4_ifdef([_LT_LANG_]$1[_CONFIG],
- [_LT_LANG($1)],
- [m4_fatal([$0: unsupported language: "$1"])])])dnl
-])# LT_LANG
-
-
-# _LT_LANG(LANGNAME)
-# ------------------
-m4_defun([_LT_LANG],
-[m4_ifdef([_LT_LANG_]$1[_enabled], [],
- [LT_SUPPORTED_TAG([$1])dnl
- m4_append([_LT_TAGS], [$1 ])dnl
- m4_define([_LT_LANG_]$1[_enabled], [])dnl
- _LT_LANG_$1_CONFIG($1)])dnl
-])# _LT_LANG
-
-
-# _LT_LANG_DEFAULT_CONFIG
-# -----------------------
-m4_defun([_LT_LANG_DEFAULT_CONFIG],
-[AC_PROVIDE_IFELSE([AC_PROG_CXX],
- [LT_LANG(CXX)],
- [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
-
-AC_PROVIDE_IFELSE([AC_PROG_F77],
- [LT_LANG(F77)],
- [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
-
-AC_PROVIDE_IFELSE([AC_PROG_FC],
- [LT_LANG(FC)],
- [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
-
-dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
-dnl pulling things in needlessly.
-AC_PROVIDE_IFELSE([AC_PROG_GCJ],
- [LT_LANG(GCJ)],
- [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
- [LT_LANG(GCJ)],
- [AC_PROVIDE_IFELSE([LT_PROG_GCJ],
- [LT_LANG(GCJ)],
- [m4_ifdef([AC_PROG_GCJ],
- [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
- m4_ifdef([A][M_PROG_GCJ],
- [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
- m4_ifdef([LT_PROG_GCJ],
- [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
-
-AC_PROVIDE_IFELSE([LT_PROG_RC],
- [LT_LANG(RC)],
- [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
-])# _LT_LANG_DEFAULT_CONFIG
-
-# Obsolete macros:
-AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
-AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
-AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
-AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
-dnl AC_DEFUN([AC_LIBTOOL_F77], [])
-dnl AC_DEFUN([AC_LIBTOOL_FC], [])
-dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
-
-
-# _LT_TAG_COMPILER
-# ----------------
-m4_defun([_LT_TAG_COMPILER],
-[AC_REQUIRE([AC_PROG_CC])dnl
-
-_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
-_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
-_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
-_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
-
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
-
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
-
-# Allow CC to be a program name with arguments.
-compiler=$CC
-])# _LT_TAG_COMPILER
-
-
-# _LT_COMPILER_BOILERPLATE
-# ------------------------
-# Check for compiler boilerplate output or warnings with
-# the simple compiler test code.
-m4_defun([_LT_COMPILER_BOILERPLATE],
-[m4_require([_LT_DECL_SED])dnl
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_compile_test_code" >conftest.$ac_ext
-eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_compiler_boilerplate=`cat conftest.err`
-$RM conftest*
-])# _LT_COMPILER_BOILERPLATE
-
-
-# _LT_LINKER_BOILERPLATE
-# ----------------------
-# Check for linker boilerplate output or warnings with
-# the simple link test code.
-m4_defun([_LT_LINKER_BOILERPLATE],
-[m4_require([_LT_DECL_SED])dnl
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_link_test_code" >conftest.$ac_ext
-eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_linker_boilerplate=`cat conftest.err`
-$RM -r conftest*
-])# _LT_LINKER_BOILERPLATE
-
-# _LT_REQUIRED_DARWIN_CHECKS
-# -------------------------
-m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
- case $host_os in
- rhapsody* | darwin*)
- AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
- AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
- AC_CHECK_TOOL([LIPO], [lipo], [:])
- _LT_DECL([], [DSYMUTIL], [1],
- [Tool to manipulate archived DWARF debug symbol files on Mac OS X])
- _LT_DECL([], [NMEDIT], [1],
- [Tool to change global to local symbols on Mac OS X])
- _LT_DECL([], [LIPO], [1],
- [Tool to manipulate fat objects and archives on Mac OS X])
-
- AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
- [lt_cv_apple_cc_single_mod=no
- if test -z "${LT_MULTI_MODULE}"; then
- # By default we will add the -single_module flag. You can override
- # by either setting the environment variable LT_MULTI_MODULE
- # non-empty at configure time, or by adding -multi_module to the
- # link flags.
- rm -rf libconftest.dylib*
- echo "int foo(void){return 1;}" > conftest.c
- echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
--dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
- $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
- -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
- _lt_result=$?
- if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then
- lt_cv_apple_cc_single_mod=yes
- else
- cat conftest.err >&AS_MESSAGE_LOG_FD
- fi
- rm -rf libconftest.dylib*
- rm -f conftest.*
- fi])
- AC_CACHE_CHECK([for -exported_symbols_list linker flag],
- [lt_cv_ld_exported_symbols_list],
- [lt_cv_ld_exported_symbols_list=no
- save_LDFLAGS=$LDFLAGS
- echo "_main" > conftest.sym
- LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
- AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
- [lt_cv_ld_exported_symbols_list=yes],
- [lt_cv_ld_exported_symbols_list=no])
- LDFLAGS="$save_LDFLAGS"
- ])
- case $host_os in
- rhapsody* | darwin1.[[012]])
- _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
- darwin1.*)
- _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
- darwin*) # darwin 5.x on
- # if running on 10.5 or later, the deployment target defaults
- # to the OS version, if on x86, and 10.4, the deployment
- # target defaults to 10.4. Don't you love it?
- case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
- 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
- _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
- 10.[[012]]*)
- _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
- 10.*)
- _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
- esac
- ;;
- esac
- if test "$lt_cv_apple_cc_single_mod" = "yes"; then
- _lt_dar_single_mod='$single_module'
- fi
- if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
- _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
- else
- _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
- fi
- if test "$DSYMUTIL" != ":"; then
- _lt_dsymutil='~$DSYMUTIL $lib || :'
- else
- _lt_dsymutil=
- fi
- ;;
- esac
-])
-
-
-# _LT_DARWIN_LINKER_FEATURES
-# --------------------------
-# Checks for linker and compiler features on darwin
-m4_defun([_LT_DARWIN_LINKER_FEATURES],
-[
- m4_require([_LT_REQUIRED_DARWIN_CHECKS])
- _LT_TAGVAR(archive_cmds_need_lc, $1)=no
- _LT_TAGVAR(hardcode_direct, $1)=no
- _LT_TAGVAR(hardcode_automatic, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
- _LT_TAGVAR(whole_archive_flag_spec, $1)=''
- _LT_TAGVAR(link_all_deplibs, $1)=yes
- _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
- if test "$GCC" = "yes"; then
- output_verbose_link_cmd=echo
- _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
- _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
- _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
- _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
- m4_if([$1], [CXX],
-[ if test "$lt_cv_apple_cc_single_mod" != "yes"; then
- _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
- _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
- fi
-],[])
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
-])
-
-# _LT_SYS_MODULE_PATH_AIX
-# -----------------------
-# Links a minimal program and checks the executable
-# for the system default hardcoded library path. In most cases,
-# this is /usr/lib:/lib, but when the MPI compilers are used
-# the location of the communication and MPI libs are included too.
-# If we don't find anything, use the default library path according
-# to the aix ld manual.
-m4_defun([_LT_SYS_MODULE_PATH_AIX],
-[m4_require([_LT_DECL_SED])dnl
-AC_LINK_IFELSE(AC_LANG_PROGRAM,[
-lt_aix_libpath_sed='
- /Import File Strings/,/^$/ {
- /^0/ {
- s/^0 *\(.*\)$/\1/
- p
- }
- }'
-aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-# Check for a 64-bit object if we didn't find anything.
-if test -z "$aix_libpath"; then
- aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-fi],[])
-if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
-])# _LT_SYS_MODULE_PATH_AIX
-
-
-# _LT_SHELL_INIT(ARG)
-# -------------------
-m4_define([_LT_SHELL_INIT],
-[ifdef([AC_DIVERSION_NOTICE],
- [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
- [AC_DIVERT_PUSH(NOTICE)])
-$1
-AC_DIVERT_POP
-])# _LT_SHELL_INIT
-
-
-# _LT_PROG_ECHO_BACKSLASH
-# -----------------------
-# Add some code to the start of the generated configure script which
-# will find an echo command which doesn't interpret backslashes.
-m4_defun([_LT_PROG_ECHO_BACKSLASH],
-[_LT_SHELL_INIT([
-# Check that we are running under the correct shell.
-SHELL=${CONFIG_SHELL-/bin/sh}
-
-case X$lt_ECHO in
-X*--fallback-echo)
- # Remove one level of quotation (which was required for Make).
- ECHO=`echo "$lt_ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
- ;;
-esac
-
-ECHO=${lt_ECHO-echo}
-if test "X[$]1" = X--no-reexec; then
- # Discard the --no-reexec flag, and continue.
- shift
-elif test "X[$]1" = X--fallback-echo; then
- # Avoid inline document here, it may be left over
- :
-elif test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' ; then
- # Yippee, $ECHO works!
- :
-else
- # Restart under the correct shell.
- exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
-fi
-
-if test "X[$]1" = X--fallback-echo; then
- # used as fallback echo
- shift
- cat <<_LT_EOF
-[$]*
-_LT_EOF
- exit 0
-fi
-
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-if test -z "$lt_ECHO"; then
- if test "X${echo_test_string+set}" != Xset; then
- # find a string as large as possible, as long as the shell can cope with it
- for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
- # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
- if { echo_test_string=`eval $cmd`; } 2>/dev/null &&
- { test "X$echo_test_string" = "X$echo_test_string"; } 2>/dev/null
- then
- break
- fi
- done
- fi
-
- if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
- echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- :
- else
- # The Solaris, AIX, and Digital Unix default echo programs unquote
- # backslashes. This makes it impossible to quote backslashes using
- # echo "$something" | sed 's/\\/\\\\/g'
- #
- # So, first we look for a working echo in the user's PATH.
-
- lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
- for dir in $PATH /usr/ucb; do
- IFS="$lt_save_ifs"
- if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
- test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
- echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- ECHO="$dir/echo"
- break
- fi
- done
- IFS="$lt_save_ifs"
-
- if test "X$ECHO" = Xecho; then
- # We didn't find a better echo, so look for alternatives.
- if test "X`{ print -r '\t'; } 2>/dev/null`" = 'X\t' &&
- echo_testing_string=`{ print -r "$echo_test_string"; } 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- # This shell has a builtin print -r that does the trick.
- ECHO='print -r'
- elif { test -f /bin/ksh || test -f /bin/ksh$ac_exeext; } &&
- test "X$CONFIG_SHELL" != X/bin/ksh; then
- # If we have ksh, try running configure again with it.
- ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
- export ORIGINAL_CONFIG_SHELL
- CONFIG_SHELL=/bin/ksh
- export CONFIG_SHELL
- exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
- else
- # Try using printf.
- ECHO='printf %s\n'
- if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
- echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- # Cool, printf works
- :
- elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
- test "X$echo_testing_string" = 'X\t' &&
- echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
- export CONFIG_SHELL
- SHELL="$CONFIG_SHELL"
- export SHELL
- ECHO="$CONFIG_SHELL [$]0 --fallback-echo"
- elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
- test "X$echo_testing_string" = 'X\t' &&
- echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- ECHO="$CONFIG_SHELL [$]0 --fallback-echo"
- else
- # maybe with a smaller string...
- prev=:
-
- for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
- if { test "X$echo_test_string" = "X`eval $cmd`"; } 2>/dev/null
- then
- break
- fi
- prev="$cmd"
- done
-
- if test "$prev" != 'sed 50q "[$]0"'; then
- echo_test_string=`eval $prev`
- export echo_test_string
- exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
- else
- # Oops. We lost completely, so just stick with echo.
- ECHO=echo
- fi
- fi
- fi
- fi
- fi
-fi
-
-# Copy echo and quote the copy suitably for passing to libtool from
-# the Makefile, instead of quoting the original, which is used later.
-lt_ECHO=$ECHO
-if test "X$lt_ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
- lt_ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
-fi
-
-AC_SUBST(lt_ECHO)
-])
-_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
-_LT_DECL([], [ECHO], [1],
- [An echo program that does not interpret backslashes])
-])# _LT_PROG_ECHO_BACKSLASH
-
-
-# _LT_ENABLE_LOCK
-# ---------------
-m4_defun([_LT_ENABLE_LOCK],
-[AC_ARG_ENABLE([libtool-lock],
- [AS_HELP_STRING([--disable-libtool-lock],
- [avoid locking (might break parallel builds)])])
-test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
-
-# Some flags need to be propagated to the compiler or linker for good
-# libtool support.
-case $host in
-ia64-*-hpux*)
- # Find out which ABI we are using.
- echo 'int i;' > conftest.$ac_ext
- if AC_TRY_EVAL(ac_compile); then
- case `/usr/bin/file conftest.$ac_objext` in
- *ELF-32*)
- HPUX_IA64_MODE="32"
- ;;
- *ELF-64*)
- HPUX_IA64_MODE="64"
- ;;
- esac
- fi
- rm -rf conftest*
- ;;
-*-*-irix6*)
- # Find out which ABI we are using.
- echo '[#]line __oline__ "configure"' > conftest.$ac_ext
- if AC_TRY_EVAL(ac_compile); then
- if test "$lt_cv_prog_gnu_ld" = yes; then
- case `/usr/bin/file conftest.$ac_objext` in
- *32-bit*)
- LD="${LD-ld} -melf32bsmip"
- ;;
- *N32*)
- LD="${LD-ld} -melf32bmipn32"
- ;;
- *64-bit*)
- LD="${LD-ld} -melf64bmip"
- ;;
- esac
- else
- case `/usr/bin/file conftest.$ac_objext` in
- *32-bit*)
- LD="${LD-ld} -32"
- ;;
- *N32*)
- LD="${LD-ld} -n32"
- ;;
- *64-bit*)
- LD="${LD-ld} -64"
- ;;
- esac
- fi
- fi
- rm -rf conftest*
- ;;
-
-x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
-s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
- # Find out which ABI we are using.
- echo 'int i;' > conftest.$ac_ext
- if AC_TRY_EVAL(ac_compile); then
- case `/usr/bin/file conftest.o` in
- *32-bit*)
- case $host in
- x86_64-*kfreebsd*-gnu)
- LD="${LD-ld} -m elf_i386_fbsd"
- ;;
- x86_64-*linux*)
- LD="${LD-ld} -m elf_i386"
- ;;
- ppc64-*linux*|powerpc64-*linux*)
- LD="${LD-ld} -m elf32ppclinux"
- ;;
- s390x-*linux*)
- LD="${LD-ld} -m elf_s390"
- ;;
- sparc64-*linux*)
- LD="${LD-ld} -m elf32_sparc"
- ;;
- esac
- ;;
- *64-bit*)
- case $host in
- x86_64-*kfreebsd*-gnu)
- LD="${LD-ld} -m elf_x86_64_fbsd"
- ;;
- x86_64-*linux*)
- LD="${LD-ld} -m elf_x86_64"
- ;;
- ppc*-*linux*|powerpc*-*linux*)
- LD="${LD-ld} -m elf64ppc"
- ;;
- s390*-*linux*|s390*-*tpf*)
- LD="${LD-ld} -m elf64_s390"
- ;;
- sparc*-*linux*)
- LD="${LD-ld} -m elf64_sparc"
- ;;
- esac
- ;;
- esac
- fi
- rm -rf conftest*
- ;;
-
-*-*-sco3.2v5*)
- # On SCO OpenServer 5, we need -belf to get full-featured binaries.
- SAVE_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -belf"
- AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
- [AC_LANG_PUSH(C)
- AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
- AC_LANG_POP])
- if test x"$lt_cv_cc_needs_belf" != x"yes"; then
- # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
- CFLAGS="$SAVE_CFLAGS"
- fi
- ;;
-sparc*-*solaris*)
- # Find out which ABI we are using.
- echo 'int i;' > conftest.$ac_ext
- if AC_TRY_EVAL(ac_compile); then
- case `/usr/bin/file conftest.o` in
- *64-bit*)
- case $lt_cv_prog_gnu_ld in
- yes*) LD="${LD-ld} -m elf64_sparc" ;;
- *)
- if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
- LD="${LD-ld} -64"
- fi
- ;;
- esac
- ;;
- esac
- fi
- rm -rf conftest*
- ;;
-esac
-
-need_locks="$enable_libtool_lock"
-])# _LT_ENABLE_LOCK
-
-
-# _LT_CMD_OLD_ARCHIVE
-# -------------------
-m4_defun([_LT_CMD_OLD_ARCHIVE],
-[AC_CHECK_TOOL(AR, ar, false)
-test -z "$AR" && AR=ar
-test -z "$AR_FLAGS" && AR_FLAGS=cru
-_LT_DECL([], [AR], [1], [The archiver])
-_LT_DECL([], [AR_FLAGS], [1])
-
-AC_CHECK_TOOL(STRIP, strip, :)
-test -z "$STRIP" && STRIP=:
-_LT_DECL([], [STRIP], [1], [A symbol stripping program])
-
-AC_CHECK_TOOL(RANLIB, ranlib, :)
-test -z "$RANLIB" && RANLIB=:
-_LT_DECL([], [RANLIB], [1],
- [Commands used to install an old-style archive])
-
-# Determine commands to create old-style static archives.
-old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
-old_postinstall_cmds='chmod 644 $oldlib'
-old_postuninstall_cmds=
-
-if test -n "$RANLIB"; then
- case $host_os in
- openbsd*)
- old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
- ;;
- *)
- old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
- ;;
- esac
- old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
-fi
-_LT_DECL([], [old_postinstall_cmds], [2])
-_LT_DECL([], [old_postuninstall_cmds], [2])
-_LT_TAGDECL([], [old_archive_cmds], [2],
- [Commands used to build an old-style archive])
-])# _LT_CMD_OLD_ARCHIVE
-
-
-# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
-# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
-# ----------------------------------------------------------------
-# Check whether the given compiler option works
-AC_DEFUN([_LT_COMPILER_OPTION],
-[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_DECL_SED])dnl
-AC_CACHE_CHECK([$1], [$2],
- [$2=no
- m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
- lt_compiler_flag="$3"
- # Insert the option either (1) after the last *FLAGS variable, or
- # (2) before a word containing "conftest.", or (3) at the end.
- # Note that $ac_compile itself does not contain backslashes and begins
- # with a dollar sign (not a hyphen), so the echo should work correctly.
- # The option is referenced via a variable to avoid confusing sed.
- lt_compile=`echo "$ac_compile" | $SED \
- -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
- -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
- -e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
- (eval "$lt_compile" 2>conftest.err)
- ac_status=$?
- cat conftest.err >&AS_MESSAGE_LOG_FD
- echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
- if (exit $ac_status) && test -s "$ac_outfile"; then
- # The compiler can only warn and ignore the option if not recognized
- # So say no if there are warnings other than the usual output.
- $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
- $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
- if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
- $2=yes
- fi
- fi
- $RM conftest*
-])
-
-if test x"[$]$2" = xyes; then
- m4_if([$5], , :, [$5])
-else
- m4_if([$6], , :, [$6])
-fi
-])# _LT_COMPILER_OPTION
-
-# Old name:
-AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
-
-
-# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
-# [ACTION-SUCCESS], [ACTION-FAILURE])
-# ----------------------------------------------------
-# Check whether the given linker option works
-AC_DEFUN([_LT_LINKER_OPTION],
-[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_DECL_SED])dnl
-AC_CACHE_CHECK([$1], [$2],
- [$2=no
- save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS $3"
- echo "$lt_simple_link_test_code" > conftest.$ac_ext
- if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
- # The linker can only warn and ignore the option if not recognized
- # So say no if there are warnings
- if test -s conftest.err; then
- # Append any errors to the config.log.
- cat conftest.err 1>&AS_MESSAGE_LOG_FD
- $ECHO "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
- $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
- if diff conftest.exp conftest.er2 >/dev/null; then
- $2=yes
- fi
- else
- $2=yes
- fi
- fi
- $RM -r conftest*
- LDFLAGS="$save_LDFLAGS"
-])
-
-if test x"[$]$2" = xyes; then
- m4_if([$4], , :, [$4])
-else
- m4_if([$5], , :, [$5])
-fi
-])# _LT_LINKER_OPTION
-
-# Old name:
-AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
-
-
-# LT_CMD_MAX_LEN
-#---------------
-AC_DEFUN([LT_CMD_MAX_LEN],
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-# find the maximum length of command line arguments
-AC_MSG_CHECKING([the maximum length of command line arguments])
-AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
- i=0
- teststring="ABCD"
-
- case $build_os in
- msdosdjgpp*)
- # On DJGPP, this test can blow up pretty badly due to problems in libc
- # (any single argument exceeding 2000 bytes causes a buffer overrun
- # during glob expansion). Even if it were fixed, the result of this
- # check would be larger than it should be.
- lt_cv_sys_max_cmd_len=12288; # 12K is about right
- ;;
-
- gnu*)
- # Under GNU Hurd, this test is not required because there is
- # no limit to the length of command line arguments.
- # Libtool will interpret -1 as no limit whatsoever
- lt_cv_sys_max_cmd_len=-1;
- ;;
-
- cygwin* | mingw*)
- # On Win9x/ME, this test blows up -- it succeeds, but takes
- # about 5 minutes as the teststring grows exponentially.
- # Worse, since 9x/ME are not pre-emptively multitasking,
- # you end up with a "frozen" computer, even though with patience
- # the test eventually succeeds (with a max line length of 256k).
- # Instead, let's just punt: use the minimum linelength reported by
- # all of the supported platforms: 8192 (on NT/2K/XP).
- lt_cv_sys_max_cmd_len=8192;
- ;;
-
- amigaos*)
- # On AmigaOS with pdksh, this test takes hours, literally.
- # So we just punt and use a minimum line length of 8192.
- lt_cv_sys_max_cmd_len=8192;
- ;;
-
- netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
- # This has been around since 386BSD, at least. Likely further.
- if test -x /sbin/sysctl; then
- lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
- elif test -x /usr/sbin/sysctl; then
- lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
- else
- lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs
- fi
- # And add a safety zone
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
- ;;
-
- interix*)
- # We know the value 262144 and hardcode it with a safety zone (like BSD)
- lt_cv_sys_max_cmd_len=196608
- ;;
-
- osf*)
- # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
- # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
- # nice to cause kernel panics so lets avoid the loop below.
- # First set a reasonable default.
- lt_cv_sys_max_cmd_len=16384
- #
- if test -x /sbin/sysconfig; then
- case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
- *1*) lt_cv_sys_max_cmd_len=-1 ;;
- esac
- fi
- ;;
- sco3.2v5*)
- lt_cv_sys_max_cmd_len=102400
- ;;
- sysv5* | sco5v6* | sysv4.2uw2*)
- kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
- if test -n "$kargmax"; then
- lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'`
- else
- lt_cv_sys_max_cmd_len=32768
- fi
- ;;
- *)
- lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
- if test -n "$lt_cv_sys_max_cmd_len"; then
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
- else
- # Make teststring a little bigger before we do anything with it.
- # a 1K string should be a reasonable start.
- for i in 1 2 3 4 5 6 7 8 ; do
- teststring=$teststring$teststring
- done
- SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
- # If test is not a shell built-in, we'll probably end up computing a
- # maximum length that is only half of the actual maximum length, but
- # we can't tell.
- while { test "X"`$SHELL [$]0 --fallback-echo "X$teststring$teststring" 2>/dev/null` \
- = "XX$teststring$teststring"; } >/dev/null 2>&1 &&
- test $i != 17 # 1/2 MB should be enough
- do
- i=`expr $i + 1`
- teststring=$teststring$teststring
- done
- # Only check the string length outside the loop.
- lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
- teststring=
- # Add a significant safety factor because C++ compilers can tack on
- # massive amounts of additional arguments before passing them to the
- # linker. It appears as though 1/2 is a usable value.
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
- fi
- ;;
- esac
-])
-if test -n $lt_cv_sys_max_cmd_len ; then
- AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
-else
- AC_MSG_RESULT(none)
-fi
-max_cmd_len=$lt_cv_sys_max_cmd_len
-_LT_DECL([], [max_cmd_len], [0],
- [What is the maximum length of a command?])
-])# LT_CMD_MAX_LEN
-
-# Old name:
-AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
-
-
-# _LT_HEADER_DLFCN
-# ----------------
-m4_defun([_LT_HEADER_DLFCN],
-[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
-])# _LT_HEADER_DLFCN
-
-
-# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
-# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
-# ----------------------------------------------------------------
-m4_defun([_LT_TRY_DLOPEN_SELF],
-[m4_require([_LT_HEADER_DLFCN])dnl
-if test "$cross_compiling" = yes; then :
- [$4]
-else
- lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
- lt_status=$lt_dlunknown
- cat > conftest.$ac_ext <<_LT_EOF
-[#line __oline__ "configure"
-#include "confdefs.h"
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef RTLD_GLOBAL
-# define LT_DLGLOBAL RTLD_GLOBAL
-#else
-# ifdef DL_GLOBAL
-# define LT_DLGLOBAL DL_GLOBAL
-# else
-# define LT_DLGLOBAL 0
-# endif
-#endif
-
-/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
- find out it does not work in some platform. */
-#ifndef LT_DLLAZY_OR_NOW
-# ifdef RTLD_LAZY
-# define LT_DLLAZY_OR_NOW RTLD_LAZY
-# else
-# ifdef DL_LAZY
-# define LT_DLLAZY_OR_NOW DL_LAZY
-# else
-# ifdef RTLD_NOW
-# define LT_DLLAZY_OR_NOW RTLD_NOW
-# else
-# ifdef DL_NOW
-# define LT_DLLAZY_OR_NOW DL_NOW
-# else
-# define LT_DLLAZY_OR_NOW 0
-# endif
-# endif
-# endif
-# endif
-#endif
-
-#ifdef __cplusplus
-extern "C" void exit (int);
-#endif
-
-void fnord() { int i=42;}
-int main ()
-{
- void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
- int status = $lt_dlunknown;
-
- if (self)
- {
- if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
- else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
- /* dlclose (self); */
- }
- else
- puts (dlerror ());
-
- exit (status);
-}]
-_LT_EOF
- if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
- (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
- lt_status=$?
- case x$lt_status in
- x$lt_dlno_uscore) $1 ;;
- x$lt_dlneed_uscore) $2 ;;
- x$lt_dlunknown|x*) $3 ;;
- esac
- else :
- # compilation failed
- $3
- fi
-fi
-rm -fr conftest*
-])# _LT_TRY_DLOPEN_SELF
-
-
-# LT_SYS_DLOPEN_SELF
-# ------------------
-AC_DEFUN([LT_SYS_DLOPEN_SELF],
-[m4_require([_LT_HEADER_DLFCN])dnl
-if test "x$enable_dlopen" != xyes; then
- enable_dlopen=unknown
- enable_dlopen_self=unknown
- enable_dlopen_self_static=unknown
-else
- lt_cv_dlopen=no
- lt_cv_dlopen_libs=
-
- case $host_os in
- beos*)
- lt_cv_dlopen="load_add_on"
- lt_cv_dlopen_libs=
- lt_cv_dlopen_self=yes
- ;;
-
- mingw* | pw32*)
- lt_cv_dlopen="LoadLibrary"
- lt_cv_dlopen_libs=
- ;;
-
- cygwin*)
- lt_cv_dlopen="dlopen"
- lt_cv_dlopen_libs=
- ;;
-
- darwin*)
- # if libdl is installed we need to link against it
- AC_CHECK_LIB([dl], [dlopen],
- [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
- lt_cv_dlopen="dyld"
- lt_cv_dlopen_libs=
- lt_cv_dlopen_self=yes
- ])
- ;;
-
- *)
- AC_CHECK_FUNC([shl_load],
- [lt_cv_dlopen="shl_load"],
- [AC_CHECK_LIB([dld], [shl_load],
- [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"],
- [AC_CHECK_FUNC([dlopen],
- [lt_cv_dlopen="dlopen"],
- [AC_CHECK_LIB([dl], [dlopen],
- [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
- [AC_CHECK_LIB([svld], [dlopen],
- [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
- [AC_CHECK_LIB([dld], [dld_link],
- [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"])
- ])
- ])
- ])
- ])
- ])
- ;;
- esac
-
- if test "x$lt_cv_dlopen" != xno; then
- enable_dlopen=yes
- else
- enable_dlopen=no
- fi
-
- case $lt_cv_dlopen in
- dlopen)
- save_CPPFLAGS="$CPPFLAGS"
- test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
-
- save_LDFLAGS="$LDFLAGS"
- wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
-
- save_LIBS="$LIBS"
- LIBS="$lt_cv_dlopen_libs $LIBS"
-
- AC_CACHE_CHECK([whether a program can dlopen itself],
- lt_cv_dlopen_self, [dnl
- _LT_TRY_DLOPEN_SELF(
- lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
- lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
- ])
-
- if test "x$lt_cv_dlopen_self" = xyes; then
- wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
- AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
- lt_cv_dlopen_self_static, [dnl
- _LT_TRY_DLOPEN_SELF(
- lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
- lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross)
- ])
- fi
-
- CPPFLAGS="$save_CPPFLAGS"
- LDFLAGS="$save_LDFLAGS"
- LIBS="$save_LIBS"
- ;;
- esac
-
- case $lt_cv_dlopen_self in
- yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
- *) enable_dlopen_self=unknown ;;
- esac
-
- case $lt_cv_dlopen_self_static in
- yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
- *) enable_dlopen_self_static=unknown ;;
- esac
-fi
-_LT_DECL([dlopen_support], [enable_dlopen], [0],
- [Whether dlopen is supported])
-_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
- [Whether dlopen of programs is supported])
-_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
- [Whether dlopen of statically linked programs is supported])
-])# LT_SYS_DLOPEN_SELF
-
-# Old name:
-AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
-
-
-# _LT_COMPILER_C_O([TAGNAME])
-# ---------------------------
-# Check to see if options -c and -o are simultaneously supported by compiler.
-# This macro does not hard code the compiler like AC_PROG_CC_C_O.
-m4_defun([_LT_COMPILER_C_O],
-[m4_require([_LT_DECL_SED])dnl
-m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_TAG_COMPILER])dnl
-AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
- [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
- [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
- $RM -r conftest 2>/dev/null
- mkdir conftest
- cd conftest
- mkdir out
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
- lt_compiler_flag="-o out/conftest2.$ac_objext"
- # Insert the option either (1) after the last *FLAGS variable, or
- # (2) before a word containing "conftest.", or (3) at the end.
- # Note that $ac_compile itself does not contain backslashes and begins
- # with a dollar sign (not a hyphen), so the echo should work correctly.
- lt_compile=`echo "$ac_compile" | $SED \
- -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
- -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
- -e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
- (eval "$lt_compile" 2>out/conftest.err)
- ac_status=$?
- cat out/conftest.err >&AS_MESSAGE_LOG_FD
- echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
- if (exit $ac_status) && test -s out/conftest2.$ac_objext
- then
- # The compiler can only warn and ignore the option if not recognized
- # So say no if there are warnings
- $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
- $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
- if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
- _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
- fi
- fi
- chmod u+w . 2>&AS_MESSAGE_LOG_FD
- $RM conftest*
- # SGI C++ compiler will create directory out/ii_files/ for
- # template instantiation
- test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
- $RM out/* && rmdir out
- cd ..
- $RM -r conftest
- $RM conftest*
-])
-_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
- [Does compiler simultaneously support -c and -o options?])
-])# _LT_COMPILER_C_O
-
-
-# _LT_COMPILER_FILE_LOCKS([TAGNAME])
-# ----------------------------------
-# Check to see if we can do hard links to lock some files if needed
-m4_defun([_LT_COMPILER_FILE_LOCKS],
-[m4_require([_LT_ENABLE_LOCK])dnl
-m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-_LT_COMPILER_C_O([$1])
-
-hard_links="nottested"
-if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
- # do not overwrite the value of need_locks provided by the user
- AC_MSG_CHECKING([if we can lock with hard links])
- hard_links=yes
- $RM conftest*
- ln conftest.a conftest.b 2>/dev/null && hard_links=no
- touch conftest.a
- ln conftest.a conftest.b 2>&5 || hard_links=no
- ln conftest.a conftest.b 2>/dev/null && hard_links=no
- AC_MSG_RESULT([$hard_links])
- if test "$hard_links" = no; then
- AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
- need_locks=warn
- fi
-else
- need_locks=no
-fi
-_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?])
-])# _LT_COMPILER_FILE_LOCKS
-
-
-# _LT_CHECK_OBJDIR
-# ----------------
-m4_defun([_LT_CHECK_OBJDIR],
-[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
-[rm -f .libs 2>/dev/null
-mkdir .libs 2>/dev/null
-if test -d .libs; then
- lt_cv_objdir=.libs
-else
- # MS-DOS does not allow filenames that begin with a dot.
- lt_cv_objdir=_libs
-fi
-rmdir .libs 2>/dev/null])
-objdir=$lt_cv_objdir
-_LT_DECL([], [objdir], [0],
- [The name of the directory that contains temporary libtool files])dnl
-m4_pattern_allow([LT_OBJDIR])dnl
-AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/",
- [Define to the sub-directory in which libtool stores uninstalled libraries.])
-])# _LT_CHECK_OBJDIR
-
-
-# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME])
-# --------------------------------------
-# Check hardcoding attributes.
-m4_defun([_LT_LINKER_HARDCODE_LIBPATH],
-[AC_MSG_CHECKING([how to hardcode library paths into programs])
-_LT_TAGVAR(hardcode_action, $1)=
-if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" ||
- test -n "$_LT_TAGVAR(runpath_var, $1)" ||
- test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
-
- # We can hardcode non-existent directories.
- if test "$_LT_TAGVAR(hardcode_direct, $1)" != no &&
- # If the only mechanism to avoid hardcoding is shlibpath_var, we
- # have to relink, otherwise we might link with an installed library
- # when we should be linking with a yet-to-be-installed one
- ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
- test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then
- # Linking always hardcodes the temporary library directory.
- _LT_TAGVAR(hardcode_action, $1)=relink
- else
- # We can link without hardcoding, and we can hardcode nonexisting dirs.
- _LT_TAGVAR(hardcode_action, $1)=immediate
- fi
-else
- # We cannot hardcode anything, or else we can only hardcode existing
- # directories.
- _LT_TAGVAR(hardcode_action, $1)=unsupported
-fi
-AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)])
-
-if test "$_LT_TAGVAR(hardcode_action, $1)" = relink ||
- test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then
- # Fast installation is not supported
- enable_fast_install=no
-elif test "$shlibpath_overrides_runpath" = yes ||
- test "$enable_shared" = no; then
- # Fast installation is not necessary
- enable_fast_install=needless
-fi
-_LT_TAGDECL([], [hardcode_action], [0],
- [How to hardcode a shared library path into an executable])
-])# _LT_LINKER_HARDCODE_LIBPATH
-
-
-# _LT_CMD_STRIPLIB
-# ----------------
-m4_defun([_LT_CMD_STRIPLIB],
-[m4_require([_LT_DECL_EGREP])
-striplib=
-old_striplib=
-AC_MSG_CHECKING([whether stripping libraries is possible])
-if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
- test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
- test -z "$striplib" && striplib="$STRIP --strip-unneeded"
- AC_MSG_RESULT([yes])
-else
-# FIXME - insert some real tests, host_os isn't really good enough
- case $host_os in
- darwin*)
- if test -n "$STRIP" ; then
- striplib="$STRIP -x"
- old_striplib="$STRIP -S"
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- fi
- ;;
- *)
- AC_MSG_RESULT([no])
- ;;
- esac
-fi
-_LT_DECL([], [old_striplib], [1], [Commands to strip libraries])
-_LT_DECL([], [striplib], [1])
-])# _LT_CMD_STRIPLIB
-
-
-# _LT_SYS_DYNAMIC_LINKER([TAG])
-# -----------------------------
-# PORTME Fill in your ld.so characteristics
-m4_defun([_LT_SYS_DYNAMIC_LINKER],
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-m4_require([_LT_DECL_EGREP])dnl
-m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_DECL_SED])dnl
-AC_MSG_CHECKING([dynamic linker characteristics])
-m4_if([$1],
- [], [
-if test "$GCC" = yes; then
- case $host_os in
- darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
- *) lt_awk_arg="/^libraries:/" ;;
- esac
- lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"`
- if $ECHO "$lt_search_path_spec" | $GREP ';' >/dev/null ; then
- # if the path contains ";" then we assume it to be the separator
- # otherwise default to the standard path separator (i.e. ":") - it is
- # assumed that no part of a normal pathname contains ";" but that should
- # okay in the real world where ";" in dirpaths is itself problematic.
- lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED -e 's/;/ /g'`
- else
- lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
- fi
- # Ok, now we have the path, separated by spaces, we can step through it
- # and add multilib dir if necessary.
- lt_tmp_lt_search_path_spec=
- lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
- for lt_sys_path in $lt_search_path_spec; do
- if test -d "$lt_sys_path/$lt_multi_os_dir"; then
- lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
- else
- test -d "$lt_sys_path" && \
- lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
- fi
- done
- lt_search_path_spec=`$ECHO $lt_tmp_lt_search_path_spec | awk '
-BEGIN {RS=" "; FS="/|\n";} {
- lt_foo="";
- lt_count=0;
- for (lt_i = NF; lt_i > 0; lt_i--) {
- if ($lt_i != "" && $lt_i != ".") {
- if ($lt_i == "..") {
- lt_count++;
- } else {
- if (lt_count == 0) {
- lt_foo="/" $lt_i lt_foo;
- } else {
- lt_count--;
- }
- }
- }
- }
- if (lt_foo != "") { lt_freq[[lt_foo]]++; }
- if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
-}'`
- sys_lib_search_path_spec=`$ECHO $lt_search_path_spec`
-else
- sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
-fi])
-library_names_spec=
-libname_spec='lib$name'
-soname_spec=
-shrext_cmds=".so"
-postinstall_cmds=
-postuninstall_cmds=
-finish_cmds=
-finish_eval=
-shlibpath_var=
-shlibpath_overrides_runpath=unknown
-version_type=none
-dynamic_linker="$host_os ld.so"
-sys_lib_dlsearch_path_spec="/lib /usr/lib"
-need_lib_prefix=unknown
-hardcode_into_libs=no
-
-# when you set need_version to no, make sure it does not cause -set_version
-# flags to be left without arguments
-need_version=unknown
-
-case $host_os in
-aix3*)
- version_type=linux
- library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
- shlibpath_var=LIBPATH
-
- # AIX 3 has no versioning support, so we append a major version to the name.
- soname_spec='${libname}${release}${shared_ext}$major'
- ;;
-
-aix[[4-9]]*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- hardcode_into_libs=yes
- if test "$host_cpu" = ia64; then
- # AIX 5 supports IA64
- library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
- shlibpath_var=LD_LIBRARY_PATH
- else
- # With GCC up to 2.95.x, collect2 would create an import file
- # for dependence libraries. The import file would start with
- # the line `#! .'. This would cause the generated library to
- # depend on `.', always an invalid library. This was fixed in
- # development snapshots of GCC prior to 3.0.
- case $host_os in
- aix4 | aix4.[[01]] | aix4.[[01]].*)
- if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
- echo ' yes '
- echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
- :
- else
- can_build_shared=no
- fi
- ;;
- esac
- # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
- # soname into executable. Probably we can add versioning support to
- # collect2, so additional links can be useful in future.
- if test "$aix_use_runtimelinking" = yes; then
- # If using run time linking (on AIX 4.2 or later) use lib<name>.so
- # instead of lib<name>.a to let people know that these are not
- # typical AIX shared libraries.
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- else
- # We preserve .a as extension for shared libraries through AIX4.2
- # and later when we are not doing run time linking.
- library_names_spec='${libname}${release}.a $libname.a'
- soname_spec='${libname}${release}${shared_ext}$major'
- fi
- shlibpath_var=LIBPATH
- fi
- ;;
-
-amigaos*)
- case $host_cpu in
- powerpc)
- # Since July 2007 AmigaOS4 officially supports .so libraries.
- # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- ;;
- m68k)
- library_names_spec='$libname.ixlibrary $libname.a'
- # Create ${libname}_ixlibrary.a entries in /sys/libs.
- finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$ECHO "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
- ;;
- esac
- ;;
-
-beos*)
- library_names_spec='${libname}${shared_ext}'
- dynamic_linker="$host_os ld.so"
- shlibpath_var=LIBRARY_PATH
- ;;
-
-bsdi[[45]]*)
- version_type=linux
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
- sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
- # the default ld.so.conf also contains /usr/contrib/lib and
- # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
- # libtool to hard-code these into programs
- ;;
-
-cygwin* | mingw* | pw32*)
- version_type=windows
- shrext_cmds=".dll"
- need_version=no
- need_lib_prefix=no
-
- case $GCC,$host_os in
- yes,cygwin* | yes,mingw* | yes,pw32*)
- library_names_spec='$libname.dll.a'
- # DLL is installed to $(libdir)/../bin by postinstall_cmds
- postinstall_cmds='base_file=`basename \${file}`~
- dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
- dldir=$destdir/`dirname \$dlpath`~
- test -d \$dldir || mkdir -p \$dldir~
- $install_prog $dir/$dlname \$dldir/$dlname~
- chmod a+x \$dldir/$dlname~
- if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
- eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
- fi'
- postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
- dlpath=$dir/\$dldll~
- $RM \$dlpath'
- shlibpath_overrides_runpath=yes
-
- case $host_os in
- cygwin*)
- # Cygwin DLLs use 'cyg' prefix rather than 'lib'
- soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
- sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
- ;;
- mingw*)
- # MinGW DLLs use traditional 'lib' prefix
- soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
- sys_lib_search_path_spec=`$CC -print-search-dirs | $GREP "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
- if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then
- # It is most probably a Windows format PATH printed by
- # mingw gcc, but we are running on Cygwin. Gcc prints its search
- # path with ; separators, and with drive letters. We can handle the
- # drive letters (cygwin fileutils understands them), so leave them,
- # especially as we might pass files found there to a mingw objdump,
- # which wouldn't understand a cygwinified path. Ahh.
- sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
- else
- sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
- fi
- ;;
- pw32*)
- # pw32 DLLs use 'pw' prefix rather than 'lib'
- library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
- ;;
- esac
- ;;
-
- *)
- library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
- ;;
- esac
- dynamic_linker='Win32 ld.exe'
- # FIXME: first we should search . and the directory the executable is in
- shlibpath_var=PATH
- ;;
-
-darwin* | rhapsody*)
- dynamic_linker="$host_os dyld"
- version_type=darwin
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
- soname_spec='${libname}${release}${major}$shared_ext'
- shlibpath_overrides_runpath=yes
- shlibpath_var=DYLD_LIBRARY_PATH
- shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
-m4_if([$1], [],[
- sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
- sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
- ;;
-
-dgux*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- ;;
-
-freebsd1*)
- dynamic_linker=no
- ;;
-
-freebsd* | dragonfly*)
- # DragonFly does not have aout. When/if they implement a new
- # versioning mechanism, adjust this.
- if test -x /usr/bin/objformat; then
- objformat=`/usr/bin/objformat`
- else
- case $host_os in
- freebsd[[123]]*) objformat=aout ;;
- *) objformat=elf ;;
- esac
- fi
- version_type=freebsd-$objformat
- case $version_type in
- freebsd-elf*)
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
- need_version=no
- need_lib_prefix=no
- ;;
- freebsd-*)
- library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
- need_version=yes
- ;;
- esac
- shlibpath_var=LD_LIBRARY_PATH
- case $host_os in
- freebsd2*)
- shlibpath_overrides_runpath=yes
- ;;
- freebsd3.[[01]]* | freebsdelf3.[[01]]*)
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
- freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
- freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
- *) # from 4.6 on, and DragonFly
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
- esac
- ;;
-
-gnu*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- hardcode_into_libs=yes
- ;;
-
-hpux9* | hpux10* | hpux11*)
- # Give a soname corresponding to the major version so that dld.sl refuses to
- # link against other versions.
- version_type=sunos
- need_lib_prefix=no
- need_version=no
- case $host_cpu in
- ia64*)
- shrext_cmds='.so'
- hardcode_into_libs=yes
- dynamic_linker="$host_os dld.so"
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- if test "X$HPUX_IA64_MODE" = X32; then
- sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
- else
- sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
- fi
- sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
- ;;
- hppa*64*)
- shrext_cmds='.sl'
- hardcode_into_libs=yes
- dynamic_linker="$host_os dld.sl"
- shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
- shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
- sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
- ;;
- *)
- shrext_cmds='.sl'
- dynamic_linker="$host_os dld.sl"
- shlibpath_var=SHLIB_PATH
- shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- ;;
- esac
- # HP-UX runs *really* slowly unless shared libraries are mode 555.
- postinstall_cmds='chmod 555 $lib'
- ;;
-
-interix[[3-9]]*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
-
-irix5* | irix6* | nonstopux*)
- case $host_os in
- nonstopux*) version_type=nonstopux ;;
- *)
- if test "$lt_cv_prog_gnu_ld" = yes; then
- version_type=linux
- else
- version_type=irix
- fi ;;
- esac
- need_lib_prefix=no
- need_version=no
- soname_spec='${libname}${release}${shared_ext}$major'
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
- case $host_os in
- irix5* | nonstopux*)
- libsuff= shlibsuff=
- ;;
- *)
- case $LD in # libtool.m4 will add one of these switches to LD
- *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
- libsuff= shlibsuff= libmagic=32-bit;;
- *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
- libsuff=32 shlibsuff=N32 libmagic=N32;;
- *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
- libsuff=64 shlibsuff=64 libmagic=64-bit;;
- *) libsuff= shlibsuff= libmagic=never-match;;
- esac
- ;;
- esac
- shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
- shlibpath_overrides_runpath=no
- sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
- sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
- hardcode_into_libs=yes
- ;;
-
-# No shared lib support for Linux oldld, aout, or coff.
-linux*oldld* | linux*aout* | linux*coff*)
- dynamic_linker=no
- ;;
-
-# This must be Linux ELF.
-linux* | k*bsd*-gnu)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- # Some binutils ld are patched to set DT_RUNPATH
- save_LDFLAGS=$LDFLAGS
- save_libdir=$libdir
- eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
- LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
- AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
- [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null],
- [shlibpath_overrides_runpath=yes])])
- LDFLAGS=$save_LDFLAGS
- libdir=$save_libdir
-
- # This implies no fast_install, which is unacceptable.
- # Some rework will be needed to allow for fast_install
- # before this can be enabled.
- hardcode_into_libs=yes
-
- # Append ld.so.conf contents to the search path
- if test -f /etc/ld.so.conf; then
- lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
- fi
-
- # We used to test for /lib/ld.so.1 and disable shared libraries on
- # powerpc, because MkLinux only supported shared libraries with the
- # GNU dynamic linker. Since this was broken with cross compilers,
- # most powerpc-linux boxes support dynamic linking these days and
- # people can always --disable-shared, the test was removed, and we
- # assume the GNU/Linux dynamic linker is in use.
- dynamic_linker='GNU/Linux ld.so'
- ;;
-
-netbsd*)
- version_type=sunos
- need_lib_prefix=no
- need_version=no
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
- dynamic_linker='NetBSD (a.out) ld.so'
- else
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- dynamic_linker='NetBSD ld.elf_so'
- fi
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
-
-newsos6)
- version_type=linux
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- ;;
-
-*nto* | *qnx*)
- version_type=qnx
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- dynamic_linker='ldqnx.so'
- ;;
-
-openbsd*)
- version_type=sunos
- sys_lib_dlsearch_path_spec="/usr/lib"
- need_lib_prefix=no
- # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
- case $host_os in
- openbsd3.3 | openbsd3.3.*) need_version=yes ;;
- *) need_version=no ;;
- esac
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
- case $host_os in
- openbsd2.[[89]] | openbsd2.[[89]].*)
- shlibpath_overrides_runpath=no
- ;;
- *)
- shlibpath_overrides_runpath=yes
- ;;
- esac
- else
- shlibpath_overrides_runpath=yes
- fi
- ;;
-
-os2*)
- libname_spec='$name'
- shrext_cmds=".dll"
- need_lib_prefix=no
- library_names_spec='$libname${shared_ext} $libname.a'
- dynamic_linker='OS/2 ld.exe'
- shlibpath_var=LIBPATH
- ;;
-
-osf3* | osf4* | osf5*)
- version_type=osf
- need_lib_prefix=no
- need_version=no
- soname_spec='${libname}${release}${shared_ext}$major'
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- shlibpath_var=LD_LIBRARY_PATH
- sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
- sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
- ;;
-
-rdos*)
- dynamic_linker=no
- ;;
-
-solaris*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- # ldd complains unless libraries are executable
- postinstall_cmds='chmod +x $lib'
- ;;
-
-sunos4*)
- version_type=sunos
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
- finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- if test "$with_gnu_ld" = yes; then
- need_lib_prefix=no
- fi
- need_version=yes
- ;;
-
-sysv4 | sysv4.3*)
- version_type=linux
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- case $host_vendor in
- sni)
- shlibpath_overrides_runpath=no
- need_lib_prefix=no
- runpath_var=LD_RUN_PATH
- ;;
- siemens)
- need_lib_prefix=no
- ;;
- motorola)
- need_lib_prefix=no
- need_version=no
- shlibpath_overrides_runpath=no
- sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
- ;;
- esac
- ;;
-
-sysv4*MP*)
- if test -d /usr/nec ;then
- version_type=linux
- library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
- soname_spec='$libname${shared_ext}.$major'
- shlibpath_var=LD_LIBRARY_PATH
- fi
- ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
- version_type=freebsd-elf
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- if test "$with_gnu_ld" = yes; then
- sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
- else
- sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
- case $host_os in
- sco3.2v5*)
- sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
- ;;
- esac
- fi
- sys_lib_dlsearch_path_spec='/usr/lib'
- ;;
-
-tpf*)
- # TPF is a cross-target only. Preferred cross-host = GNU/Linux.
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_name_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
-
-uts4*)
- version_type=linux
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- ;;
-
-*)
- dynamic_linker=no
- ;;
-esac
-AC_MSG_RESULT([$dynamic_linker])
-test "$dynamic_linker" = no && can_build_shared=no
-
-variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
-if test "$GCC" = yes; then
- variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
-fi
-
-if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
- sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
-fi
-if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
- sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
-fi
-
-_LT_DECL([], [variables_saved_for_relink], [1],
- [Variables whose values should be saved in libtool wrapper scripts and
- restored at link time])
-_LT_DECL([], [need_lib_prefix], [0],
- [Do we need the "lib" prefix for modules?])
-_LT_DECL([], [need_version], [0], [Do we need a version for libraries?])
-_LT_DECL([], [version_type], [0], [Library versioning type])
-_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable])
-_LT_DECL([], [shlibpath_var], [0],[Shared library path variable])
-_LT_DECL([], [shlibpath_overrides_runpath], [0],
- [Is shlibpath searched before the hard-coded library search path?])
-_LT_DECL([], [libname_spec], [1], [Format of library name prefix])
-_LT_DECL([], [library_names_spec], [1],
- [[List of archive names. First name is the real one, the rest are links.
- The last name is the one that the linker finds with -lNAME]])
-_LT_DECL([], [soname_spec], [1],
- [[The coded name of the library, if different from the real name]])
-_LT_DECL([], [postinstall_cmds], [2],
- [Command to use after installation of a shared archive])
-_LT_DECL([], [postuninstall_cmds], [2],
- [Command to use after uninstallation of a shared archive])
-_LT_DECL([], [finish_cmds], [2],
- [Commands used to finish a libtool library installation in a directory])
-_LT_DECL([], [finish_eval], [1],
- [[As "finish_cmds", except a single script fragment to be evaled but
- not shown]])
-_LT_DECL([], [hardcode_into_libs], [0],
- [Whether we should hardcode library paths into libraries])
-_LT_DECL([], [sys_lib_search_path_spec], [2],
- [Compile-time system search path for libraries])
-_LT_DECL([], [sys_lib_dlsearch_path_spec], [2],
- [Run-time system search path for libraries])
-])# _LT_SYS_DYNAMIC_LINKER
-
-
-# _LT_PATH_TOOL_PREFIX(TOOL)
-# --------------------------
-# find a file program which can recognize shared library
-AC_DEFUN([_LT_PATH_TOOL_PREFIX],
-[m4_require([_LT_DECL_EGREP])dnl
-AC_MSG_CHECKING([for $1])
-AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
-[case $MAGIC_CMD in
-[[\\/*] | ?:[\\/]*])
- lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
- ;;
-*)
- lt_save_MAGIC_CMD="$MAGIC_CMD"
- lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
-dnl $ac_dummy forces splitting on constant user-supplied paths.
-dnl POSIX.2 word splitting is done only on the output of word expansions,
-dnl not every word. This closes a longstanding sh security hole.
- ac_dummy="m4_if([$2], , $PATH, [$2])"
- for ac_dir in $ac_dummy; do
- IFS="$lt_save_ifs"
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/$1; then
- lt_cv_path_MAGIC_CMD="$ac_dir/$1"
- if test -n "$file_magic_test_file"; then
- case $deplibs_check_method in
- "file_magic "*)
- file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
- MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
- if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
- $EGREP "$file_magic_regex" > /dev/null; then
- :
- else
- cat <<_LT_EOF 1>&2
-
-*** Warning: the command libtool uses to detect shared libraries,
-*** $file_magic_cmd, produces output that libtool cannot recognize.
-*** The result is that libtool may fail to recognize shared libraries
-*** as such. This will affect the creation of libtool libraries that
-*** depend on shared libraries, but programs linked with such libtool
-*** libraries will work regardless of this problem. Nevertheless, you
-*** may want to report the problem to your system manager and/or to
-*** bug-libtool@gnu.org
-
-_LT_EOF
- fi ;;
- esac
- fi
- break
- fi
- done
- IFS="$lt_save_ifs"
- MAGIC_CMD="$lt_save_MAGIC_CMD"
- ;;
-esac])
-MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
-if test -n "$MAGIC_CMD"; then
- AC_MSG_RESULT($MAGIC_CMD)
-else
- AC_MSG_RESULT(no)
-fi
-_LT_DECL([], [MAGIC_CMD], [0],
- [Used to examine libraries when file_magic_cmd begins with "file"])dnl
-])# _LT_PATH_TOOL_PREFIX
-
-# Old name:
-AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], [])
-
-
-# _LT_PATH_MAGIC
-# --------------
-# find a file program which can recognize a shared library
-m4_defun([_LT_PATH_MAGIC],
-[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
-if test -z "$lt_cv_path_MAGIC_CMD"; then
- if test -n "$ac_tool_prefix"; then
- _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
- else
- MAGIC_CMD=:
- fi
-fi
-])# _LT_PATH_MAGIC
-
-
-# LT_PATH_LD
-# ----------
-# find the pathname to the GNU or non-GNU linker
-AC_DEFUN([LT_PATH_LD],
-[AC_REQUIRE([AC_PROG_CC])dnl
-AC_REQUIRE([AC_CANONICAL_HOST])dnl
-AC_REQUIRE([AC_CANONICAL_BUILD])dnl
-m4_require([_LT_DECL_SED])dnl
-m4_require([_LT_DECL_EGREP])dnl
-
-AC_ARG_WITH([gnu-ld],
- [AS_HELP_STRING([--with-gnu-ld],
- [assume the C compiler uses GNU ld @<:@default=no@:>@])],
- [test "$withval" = no || with_gnu_ld=yes],
- [with_gnu_ld=no])dnl
-
-ac_prog=ld
-if test "$GCC" = yes; then
- # Check if gcc -print-prog-name=ld gives a path.
- AC_MSG_CHECKING([for ld used by $CC])
- case $host in
- *-*-mingw*)
- # gcc leaves a trailing carriage return which upsets mingw
- ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
- *)
- ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
- esac
- case $ac_prog in
- # Accept absolute paths.
- [[\\/]]* | ?:[[\\/]]*)
- re_direlt='/[[^/]][[^/]]*/\.\./'
- # Canonicalize the pathname of ld
- ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
- while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
- ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
- done
- test -z "$LD" && LD="$ac_prog"
- ;;
- "")
- # If it fails, then pretend we aren't using GCC.
- ac_prog=ld
- ;;
- *)
- # If it is relative, then search for the first ld in PATH.
- with_gnu_ld=unknown
- ;;
- esac
-elif test "$with_gnu_ld" = yes; then
- AC_MSG_CHECKING([for GNU ld])
-else
- AC_MSG_CHECKING([for non-GNU ld])
-fi
-AC_CACHE_VAL(lt_cv_path_LD,
-[if test -z "$LD"; then
- lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
- for ac_dir in $PATH; do
- IFS="$lt_save_ifs"
- test -z "$ac_dir" && ac_dir=.
- if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
- lt_cv_path_LD="$ac_dir/$ac_prog"
- # Check to see if the program is GNU ld. I'd rather use --version,
- # but apparently some variants of GNU ld only accept -v.
- # Break only if it was the GNU/non-GNU ld that we prefer.
- case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
- *GNU* | *'with BFD'*)
- test "$with_gnu_ld" != no && break
- ;;
- *)
- test "$with_gnu_ld" != yes && break
- ;;
- esac
- fi
- done
- IFS="$lt_save_ifs"
-else
- lt_cv_path_LD="$LD" # Let the user override the test with a path.
-fi])
-LD="$lt_cv_path_LD"
-if test -n "$LD"; then
- AC_MSG_RESULT($LD)
-else
- AC_MSG_RESULT(no)
-fi
-test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
-_LT_PATH_LD_GNU
-AC_SUBST([LD])
-
-_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
-])# LT_PATH_LD
-
-# Old names:
-AU_ALIAS([AM_PROG_LD], [LT_PATH_LD])
-AU_ALIAS([AC_PROG_LD], [LT_PATH_LD])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AM_PROG_LD], [])
-dnl AC_DEFUN([AC_PROG_LD], [])
-
-
-# _LT_PATH_LD_GNU
-#- --------------
-m4_defun([_LT_PATH_LD_GNU],
-[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
-[# I'd rather use --version here, but apparently some GNU lds only accept -v.
-case `$LD -v 2>&1 </dev/null` in
-*GNU* | *'with BFD'*)
- lt_cv_prog_gnu_ld=yes
- ;;
-*)
- lt_cv_prog_gnu_ld=no
- ;;
-esac])
-with_gnu_ld=$lt_cv_prog_gnu_ld
-])# _LT_PATH_LD_GNU
-
-
-# _LT_CMD_RELOAD
-# --------------
-# find reload flag for linker
-# -- PORTME Some linkers may need a different reload flag.
-m4_defun([_LT_CMD_RELOAD],
-[AC_CACHE_CHECK([for $LD option to reload object files],
- lt_cv_ld_reload_flag,
- [lt_cv_ld_reload_flag='-r'])
-reload_flag=$lt_cv_ld_reload_flag
-case $reload_flag in
-"" | " "*) ;;
-*) reload_flag=" $reload_flag" ;;
-esac
-reload_cmds='$LD$reload_flag -o $output$reload_objs'
-case $host_os in
- darwin*)
- if test "$GCC" = yes; then
- reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
- else
- reload_cmds='$LD$reload_flag -o $output$reload_objs'
- fi
- ;;
-esac
-_LT_DECL([], [reload_flag], [1], [How to create reloadable object files])dnl
-_LT_DECL([], [reload_cmds], [2])dnl
-])# _LT_CMD_RELOAD
-
-
-# _LT_CHECK_MAGIC_METHOD
-# ----------------------
-# how to check for library dependencies
-# -- PORTME fill in with the dynamic library characteristics
-m4_defun([_LT_CHECK_MAGIC_METHOD],
-[m4_require([_LT_DECL_EGREP])
-AC_CACHE_CHECK([how to recognize dependent libraries],
-lt_cv_deplibs_check_method,
-[lt_cv_file_magic_cmd='$MAGIC_CMD'
-lt_cv_file_magic_test_file=
-lt_cv_deplibs_check_method='unknown'
-# Need to set the preceding variable on all platforms that support
-# interlibrary dependencies.
-# 'none' -- dependencies not supported.
-# `unknown' -- same as none, but documents that we really don't know.
-# 'pass_all' -- all dependencies passed with no checks.
-# 'test_compile' -- check by making test program.
-# 'file_magic [[regex]]' -- check by looking for files in library path
-# which responds to the $file_magic_cmd with a given extended regex.
-# If you have `file' or equivalent on your system and you're not sure
-# whether `pass_all' will *always* work, you probably want this one.
-
-case $host_os in
-aix[[4-9]]*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-beos*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-bsdi[[45]]*)
- lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
- lt_cv_file_magic_cmd='/usr/bin/file -L'
- lt_cv_file_magic_test_file=/shlib/libc.so
- ;;
-
-cygwin*)
- # func_win32_libid is a shell function defined in ltmain.sh
- lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
- lt_cv_file_magic_cmd='func_win32_libid'
- ;;
-
-mingw* | pw32*)
- # Base MSYS/MinGW do not provide the 'file' command needed by
- # func_win32_libid shell function, so use a weaker test based on 'objdump',
- # unless we find 'file', for example because we are cross-compiling.
- if ( file / ) >/dev/null 2>&1; then
- lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
- lt_cv_file_magic_cmd='func_win32_libid'
- else
- lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
- lt_cv_file_magic_cmd='$OBJDUMP -f'
- fi
- ;;
-
-darwin* | rhapsody*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-freebsd* | dragonfly*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
- case $host_cpu in
- i*86 )
- # Not sure whether the presence of OpenBSD here was a mistake.
- # Let's accept both of them until this is cleared up.
- lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
- lt_cv_file_magic_cmd=/usr/bin/file
- lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
- ;;
- esac
- else
- lt_cv_deplibs_check_method=pass_all
- fi
- ;;
-
-gnu*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-hpux10.20* | hpux11*)
- lt_cv_file_magic_cmd=/usr/bin/file
- case $host_cpu in
- ia64*)
- lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
- lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
- ;;
- hppa*64*)
- [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]']
- lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
- ;;
- *)
- lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library'
- lt_cv_file_magic_test_file=/usr/lib/libc.sl
- ;;
- esac
- ;;
-
-interix[[3-9]]*)
- # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
- lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
- ;;
-
-irix5* | irix6* | nonstopux*)
- case $LD in
- *-32|*"-32 ") libmagic=32-bit;;
- *-n32|*"-n32 ") libmagic=N32;;
- *-64|*"-64 ") libmagic=64-bit;;
- *) libmagic=never-match;;
- esac
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-# This must be Linux ELF.
-linux* | k*bsd*-gnu)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
- lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
- else
- lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
- fi
- ;;
-
-newos6*)
- lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
- lt_cv_file_magic_cmd=/usr/bin/file
- lt_cv_file_magic_test_file=/usr/lib/libnls.so
- ;;
-
-*nto* | *qnx*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-openbsd*)
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
- lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
- else
- lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
- fi
- ;;
-
-osf3* | osf4* | osf5*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-rdos*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-solaris*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-sysv4 | sysv4.3*)
- case $host_vendor in
- motorola)
- lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
- lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
- ;;
- ncr)
- lt_cv_deplibs_check_method=pass_all
- ;;
- sequent)
- lt_cv_file_magic_cmd='/bin/file'
- lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
- ;;
- sni)
- lt_cv_file_magic_cmd='/bin/file'
- lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
- lt_cv_file_magic_test_file=/lib/libc.so
- ;;
- siemens)
- lt_cv_deplibs_check_method=pass_all
- ;;
- pc)
- lt_cv_deplibs_check_method=pass_all
- ;;
- esac
- ;;
-
-tpf*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-esac
-])
-file_magic_cmd=$lt_cv_file_magic_cmd
-deplibs_check_method=$lt_cv_deplibs_check_method
-test -z "$deplibs_check_method" && deplibs_check_method=unknown
-
-_LT_DECL([], [deplibs_check_method], [1],
- [Method to check whether dependent libraries are shared objects])
-_LT_DECL([], [file_magic_cmd], [1],
- [Command to use when deplibs_check_method == "file_magic"])
-])# _LT_CHECK_MAGIC_METHOD
-
-
-# LT_PATH_NM
-# ----------
-# find the pathname to a BSD- or MS-compatible name lister
-AC_DEFUN([LT_PATH_NM],
-[AC_REQUIRE([AC_PROG_CC])dnl
-AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
-[if test -n "$NM"; then
- # Let the user override the test.
- lt_cv_path_NM="$NM"
-else
- lt_nm_to_check="${ac_tool_prefix}nm"
- if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
- lt_nm_to_check="$lt_nm_to_check nm"
- fi
- for lt_tmp_nm in $lt_nm_to_check; do
- lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
- for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
- IFS="$lt_save_ifs"
- test -z "$ac_dir" && ac_dir=.
- tmp_nm="$ac_dir/$lt_tmp_nm"
- if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
- # Check to see if the nm accepts a BSD-compat flag.
- # Adding the `sed 1q' prevents false positives on HP-UX, which says:
- # nm: unknown option "B" ignored
- # Tru64's nm complains that /dev/null is an invalid object file
- case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
- */dev/null* | *'Invalid file or object type'*)
- lt_cv_path_NM="$tmp_nm -B"
- break
- ;;
- *)
- case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
- */dev/null*)
- lt_cv_path_NM="$tmp_nm -p"
- break
- ;;
- *)
- lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
- continue # so that we can try to find one that supports BSD flags
- ;;
- esac
- ;;
- esac
- fi
- done
- IFS="$lt_save_ifs"
- done
- : ${lt_cv_path_NM=no}
-fi])
-if test "$lt_cv_path_NM" != "no"; then
- NM="$lt_cv_path_NM"
-else
- # Didn't find any BSD compatible name lister, look for dumpbin.
- AC_CHECK_TOOLS(DUMPBIN, ["dumpbin -symbols" "link -dump -symbols"], :)
- AC_SUBST([DUMPBIN])
- if test "$DUMPBIN" != ":"; then
- NM="$DUMPBIN"
- fi
-fi
-test -z "$NM" && NM=nm
-AC_SUBST([NM])
-_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl
-
-AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
- [lt_cv_nm_interface="BSD nm"
- echo "int some_variable = 0;" > conftest.$ac_ext
- (eval echo "\"\$as_me:__oline__: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
- (eval "$ac_compile" 2>conftest.err)
- cat conftest.err >&AS_MESSAGE_LOG_FD
- (eval echo "\"\$as_me:__oline__: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
- (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
- cat conftest.err >&AS_MESSAGE_LOG_FD
- (eval echo "\"\$as_me:__oline__: output\"" >&AS_MESSAGE_LOG_FD)
- cat conftest.out >&AS_MESSAGE_LOG_FD
- if $GREP 'External.*some_variable' conftest.out > /dev/null; then
- lt_cv_nm_interface="MS dumpbin"
- fi
- rm -f conftest*])
-])# LT_PATH_NM
-
-# Old names:
-AU_ALIAS([AM_PROG_NM], [LT_PATH_NM])
-AU_ALIAS([AC_PROG_NM], [LT_PATH_NM])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AM_PROG_NM], [])
-dnl AC_DEFUN([AC_PROG_NM], [])
-
-
-# LT_LIB_M
-# --------
-# check for math library
-AC_DEFUN([LT_LIB_M],
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-LIBM=
-case $host in
-*-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*)
- # These system don't have libm, or don't need it
- ;;
-*-ncr-sysv4.3*)
- AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
- AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
- ;;
-*)
- AC_CHECK_LIB(m, cos, LIBM="-lm")
- ;;
-esac
-AC_SUBST([LIBM])
-])# LT_LIB_M
-
-# Old name:
-AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_CHECK_LIBM], [])
-
-
-# _LT_COMPILER_NO_RTTI([TAGNAME])
-# -------------------------------
-m4_defun([_LT_COMPILER_NO_RTTI],
-[m4_require([_LT_TAG_COMPILER])dnl
-
-_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
-
-if test "$GCC" = yes; then
- _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
-
- _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
- lt_cv_prog_compiler_rtti_exceptions,
- [-fno-rtti -fno-exceptions], [],
- [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
-fi
-_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1],
- [Compiler flag to turn off builtin functions])
-])# _LT_COMPILER_NO_RTTI
-
-
-# _LT_CMD_GLOBAL_SYMBOLS
-# ----------------------
-m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-AC_REQUIRE([AC_PROG_CC])dnl
-AC_REQUIRE([LT_PATH_NM])dnl
-AC_REQUIRE([LT_PATH_LD])dnl
-m4_require([_LT_DECL_SED])dnl
-m4_require([_LT_DECL_EGREP])dnl
-m4_require([_LT_TAG_COMPILER])dnl
-
-# Check for command to grab the raw symbol name followed by C symbol from nm.
-AC_MSG_CHECKING([command to parse $NM output from $compiler object])
-AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
-[
-# These are sane defaults that work on at least a few old systems.
-# [They come from Ultrix. What could be older than Ultrix?!! ;)]
-
-# Character class describing NM global symbol codes.
-symcode='[[BCDEGRST]]'
-
-# Regexp to match symbols that can be accessed directly from C.
-sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
-
-# Define system-specific variables.
-case $host_os in
-aix*)
- symcode='[[BCDT]]'
- ;;
-cygwin* | mingw* | pw32*)
- symcode='[[ABCDGISTW]]'
- ;;
-hpux*)
- if test "$host_cpu" = ia64; then
- symcode='[[ABCDEGRST]]'
- fi
- ;;
-irix* | nonstopux*)
- symcode='[[BCDEGRST]]'
- ;;
-osf*)
- symcode='[[BCDEGQRST]]'
- ;;
-solaris*)
- symcode='[[BDRT]]'
- ;;
-sco3.2v5*)
- symcode='[[DT]]'
- ;;
-sysv4.2uw2*)
- symcode='[[DT]]'
- ;;
-sysv5* | sco5v6* | unixware* | OpenUNIX*)
- symcode='[[ABDT]]'
- ;;
-sysv4)
- symcode='[[DFNSTU]]'
- ;;
-esac
-
-# If we're using GNU nm, then use its standard symbol codes.
-case `$NM -V 2>&1` in
-*GNU* | *'with BFD'*)
- symcode='[[ABCDGIRSTW]]' ;;
-esac
-
-# Transform an extracted symbol line into a proper C declaration.
-# Some systems (esp. on ia64) link data and code symbols differently,
-# so use this general approach.
-lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
-
-# Transform an extracted symbol line into symbol name and symbol address
-lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'"
-lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'"
-
-# Handle CRLF in mingw tool chain
-opt_cr=
-case $build_os in
-mingw*)
- opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
- ;;
-esac
-
-# Try without a prefix underscore, then with it.
-for ac_symprfx in "" "_"; do
-
- # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
- symxfrm="\\1 $ac_symprfx\\2 \\2"
-
- # Write the raw and C identifiers.
- if test "$lt_cv_nm_interface" = "MS dumpbin"; then
- # Fake it for dumpbin and say T for any non-static function
- # and D for any global variable.
- # Also find C++ and __fastcall symbols from MSVC++,
- # which start with @ or ?.
- lt_cv_sys_global_symbol_pipe="$AWK ['"\
-" {last_section=section; section=\$ 3};"\
-" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
-" \$ 0!~/External *\|/{next};"\
-" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
-" {if(hide[section]) next};"\
-" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
-" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\
-" s[1]~/^[@?]/{print s[1], s[1]; next};"\
-" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
-" ' prfx=^$ac_symprfx]"
- else
- lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
- fi
-
- # Check to see that the pipe works correctly.
- pipe_works=no
-
- rm -f conftest*
- cat > conftest.$ac_ext <<_LT_EOF
-#ifdef __cplusplus
-extern "C" {
-#endif
-char nm_test_var;
-void nm_test_func(void);
-void nm_test_func(void){}
-#ifdef __cplusplus
-}
-#endif
-int main(){nm_test_var='a';nm_test_func();return(0);}
-_LT_EOF
-
- if AC_TRY_EVAL(ac_compile); then
- # Now try to grab the symbols.
- nlist=conftest.nm
- if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
- # Try sorting and uniquifying the output.
- if sort "$nlist" | uniq > "$nlist"T; then
- mv -f "$nlist"T "$nlist"
- else
- rm -f "$nlist"T
- fi
-
- # Make sure that we snagged all the symbols we need.
- if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
- if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
- cat <<_LT_EOF > conftest.$ac_ext
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-_LT_EOF
- # Now generate the symbol file.
- eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
-
- cat <<_LT_EOF >> conftest.$ac_ext
-
-/* The mapping between symbol names and symbols. */
-const struct {
- const char *name;
- void *address;
-}
-lt__PROGRAM__LTX_preloaded_symbols[[]] =
-{
- { "@PROGRAM@", (void *) 0 },
-_LT_EOF
- $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
- cat <<\_LT_EOF >> conftest.$ac_ext
- {0, (void *) 0}
-};
-
-/* This works around a problem in FreeBSD linker */
-#ifdef FREEBSD_WORKAROUND
-static const void *lt_preloaded_setup() {
- return lt__PROGRAM__LTX_preloaded_symbols;
-}
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-_LT_EOF
- # Now try linking the two files.
- mv conftest.$ac_objext conftstm.$ac_objext
- lt_save_LIBS="$LIBS"
- lt_save_CFLAGS="$CFLAGS"
- LIBS="conftstm.$ac_objext"
- CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
- if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
- pipe_works=yes
- fi
- LIBS="$lt_save_LIBS"
- CFLAGS="$lt_save_CFLAGS"
- else
- echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
- fi
- else
- echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
- fi
- else
- echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
- fi
- else
- echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
- cat conftest.$ac_ext >&5
- fi
- rm -rf conftest* conftst*
-
- # Do not use the global_symbol_pipe unless it works.
- if test "$pipe_works" = yes; then
- break
- else
- lt_cv_sys_global_symbol_pipe=
- fi
-done
-])
-if test -z "$lt_cv_sys_global_symbol_pipe"; then
- lt_cv_sys_global_symbol_to_cdecl=
-fi
-if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
- AC_MSG_RESULT(failed)
-else
- AC_MSG_RESULT(ok)
-fi
-
-_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
- [Take the output of nm and produce a listing of raw symbols and C names])
-_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
- [Transform the output of nm in a proper C declaration])
-_LT_DECL([global_symbol_to_c_name_address],
- [lt_cv_sys_global_symbol_to_c_name_address], [1],
- [Transform the output of nm in a C name address pair])
-_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
- [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
- [Transform the output of nm in a C name address pair when lib prefix is needed])
-]) # _LT_CMD_GLOBAL_SYMBOLS
-
-
-# _LT_COMPILER_PIC([TAGNAME])
-# ---------------------------
-m4_defun([_LT_COMPILER_PIC],
-[m4_require([_LT_TAG_COMPILER])dnl
-_LT_TAGVAR(lt_prog_compiler_wl, $1)=
-_LT_TAGVAR(lt_prog_compiler_pic, $1)=
-_LT_TAGVAR(lt_prog_compiler_static, $1)=
-
-AC_MSG_CHECKING([for $compiler option to produce PIC])
-m4_if([$1], [CXX], [
- # C++ specific cases for pic, static, wl, etc.
- if test "$GXX" = yes; then
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-
- case $host_os in
- aix*)
- # All AIX code is PIC.
- if test "$host_cpu" = ia64; then
- # AIX 5 now supports IA64 processor
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- fi
- ;;
-
- amigaos*)
- case $host_cpu in
- powerpc)
- # see comment about AmigaOS4 .so support
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
- ;;
- m68k)
- # FIXME: we need at least 68020 code to build shared libraries, but
- # adding the `-m68020' flag to GCC prevents building anything better,
- # like `-m68040'.
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
- ;;
- esac
- ;;
-
- beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
- # PIC is the default for these OSes.
- ;;
- mingw* | cygwin* | os2* | pw32*)
- # This hack is so that the source file can tell whether it is being
- # built for inclusion in a dll (and should export symbols for example).
- # Although the cygwin gcc ignores -fPIC, still need this for old-style
- # (--disable-auto-import) libraries
- m4_if([$1], [GCJ], [],
- [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
- ;;
- darwin* | rhapsody*)
- # PIC is the default on this platform
- # Common symbols not allowed in MH_DYLIB files
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
- ;;
- *djgpp*)
- # DJGPP does not support shared libraries at all
- _LT_TAGVAR(lt_prog_compiler_pic, $1)=
- ;;
- interix[[3-9]]*)
- # Interix 3.x gcc -fpic/-fPIC options generate broken code.
- # Instead, we relocate shared libraries at runtime.
- ;;
- sysv4*MP*)
- if test -d /usr/nec; then
- _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
- fi
- ;;
- hpux*)
- # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
- # not for PA HP-UX.
- case $host_cpu in
- hppa*64*|ia64*)
- ;;
- *)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
- ;;
- esac
- ;;
- *qnx* | *nto*)
- # QNX uses GNU C++, but need to define -shared option too, otherwise
- # it will coredump.
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
- ;;
- *)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
- ;;
- esac
- else
- case $host_os in
- aix[[4-9]]*)
- # All AIX code is PIC.
- if test "$host_cpu" = ia64; then
- # AIX 5 now supports IA64 processor
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- else
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
- fi
- ;;
- chorus*)
- case $cc_basename in
- cxch68*)
- # Green Hills C++ Compiler
- # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
- ;;
- esac
- ;;
- dgux*)
- case $cc_basename in
- ec++*)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- ;;
- ghcx*)
- # Green Hills C++ Compiler
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
- ;;
- *)
- ;;
- esac
- ;;
- freebsd* | dragonfly*)
- # FreeBSD uses GNU C++
- ;;
- hpux9* | hpux10* | hpux11*)
- case $cc_basename in
- CC*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
- if test "$host_cpu" != ia64; then
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
- fi
- ;;
- aCC*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
- case $host_cpu in
- hppa*64*|ia64*)
- # +Z the default
- ;;
- *)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
- ;;
- esac
- ;;
- *)
- ;;
- esac
- ;;
- interix*)
- # This is c89, which is MS Visual C++ (no shared libs)
- # Anyone wants to do a port?
- ;;
- irix5* | irix6* | nonstopux*)
- case $cc_basename in
- CC*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
- # CC pic flag -KPIC is the default.
- ;;
- *)
- ;;
- esac
- ;;
- linux* | k*bsd*-gnu)
- case $cc_basename in
- KCC*)
- # KAI C++ Compiler
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
- ;;
- icpc* | ecpc* )
- # Intel C++
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
- ;;
- pgCC* | pgcpp*)
- # Portland Group C++ compiler
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
- cxx*)
- # Compaq C++
- # Make sure the PIC flag is empty. It appears that all Alpha
- # Linux and Compaq Tru64 Unix objects are PIC.
- _LT_TAGVAR(lt_prog_compiler_pic, $1)=
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
- ;;
- xlc* | xlC*)
- # IBM XL 8.0 on PPC
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
- ;;
- *)
- case `$CC -V 2>&1 | sed 5q` in
- *Sun\ C*)
- # Sun C++ 5.9
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
- ;;
- esac
- ;;
- esac
- ;;
- lynxos*)
- ;;
- m88k*)
- ;;
- mvs*)
- case $cc_basename in
- cxx*)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
- ;;
- *)
- ;;
- esac
- ;;
- netbsd*)
- ;;
- *qnx* | *nto*)
- # QNX uses GNU C++, but need to define -shared option too, otherwise
- # it will coredump.
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
- ;;
- osf3* | osf4* | osf5*)
- case $cc_basename in
- KCC*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
- ;;
- RCC*)
- # Rational C++ 2.4.1
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
- ;;
- cxx*)
- # Digital/Compaq C++
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- # Make sure the PIC flag is empty. It appears that all Alpha
- # Linux and Compaq Tru64 Unix objects are PIC.
- _LT_TAGVAR(lt_prog_compiler_pic, $1)=
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
- ;;
- *)
- ;;
- esac
- ;;
- psos*)
- ;;
- solaris*)
- case $cc_basename in
- CC*)
- # Sun C++ 4.2, 5.x and Centerline C++
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
- ;;
- gcx*)
- # Green Hills C++ Compiler
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
- ;;
- *)
- ;;
- esac
- ;;
- sunos4*)
- case $cc_basename in
- CC*)
- # Sun C++ 4.x
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
- lcc*)
- # Lucid
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
- ;;
- *)
- ;;
- esac
- ;;
- sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
- case $cc_basename in
- CC*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
- esac
- ;;
- tandem*)
- case $cc_basename in
- NCC*)
- # NonStop-UX NCC 3.20
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- ;;
- *)
- ;;
- esac
- ;;
- vxworks*)
- ;;
- *)
- _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
- ;;
- esac
- fi
-],
-[
- if test "$GCC" = yes; then
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
-
- case $host_os in
- aix*)
- # All AIX code is PIC.
- if test "$host_cpu" = ia64; then
- # AIX 5 now supports IA64 processor
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- fi
- ;;
-
- amigaos*)
- case $host_cpu in
- powerpc)
- # see comment about AmigaOS4 .so support
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
- ;;
- m68k)
- # FIXME: we need at least 68020 code to build shared libraries, but
- # adding the `-m68020' flag to GCC prevents building anything better,
- # like `-m68040'.
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
- ;;
- esac
- ;;
-
- beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
- # PIC is the default for these OSes.
- ;;
-
- mingw* | cygwin* | pw32* | os2*)
- # This hack is so that the source file can tell whether it is being
- # built for inclusion in a dll (and should export symbols for example).
- # Although the cygwin gcc ignores -fPIC, still need this for old-style
- # (--disable-auto-import) libraries
- m4_if([$1], [GCJ], [],
- [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
- ;;
-
- darwin* | rhapsody*)
- # PIC is the default on this platform
- # Common symbols not allowed in MH_DYLIB files
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
- ;;
-
- hpux*)
- # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
- # not for PA HP-UX.
- case $host_cpu in
- hppa*64*|ia64*)
- # +Z the default
- ;;
- *)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
- ;;
- esac
- ;;
-
- interix[[3-9]]*)
- # Interix 3.x gcc -fpic/-fPIC options generate broken code.
- # Instead, we relocate shared libraries at runtime.
- ;;
-
- msdosdjgpp*)
- # Just because we use GCC doesn't mean we suddenly get shared libraries
- # on systems that don't support them.
- _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
- enable_shared=no
- ;;
-
- *nto* | *qnx*)
- # QNX uses GNU C++, but need to define -shared option too, otherwise
- # it will coredump.
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
- ;;
-
- sysv4*MP*)
- if test -d /usr/nec; then
- _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
- fi
- ;;
-
- *)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
- ;;
- esac
- else
- # PORTME Check for flag to pass linker flags through the system compiler.
- case $host_os in
- aix*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- if test "$host_cpu" = ia64; then
- # AIX 5 now supports IA64 processor
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- else
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
- fi
- ;;
-
- mingw* | cygwin* | pw32* | os2*)
- # This hack is so that the source file can tell whether it is being
- # built for inclusion in a dll (and should export symbols for example).
- m4_if([$1], [GCJ], [],
- [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
- ;;
-
- hpux9* | hpux10* | hpux11*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
- # not for PA HP-UX.
- case $host_cpu in
- hppa*64*|ia64*)
- # +Z the default
- ;;
- *)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
- ;;
- esac
- # Is there a better lt_prog_compiler_static that works with the bundled CC?
- _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
- ;;
-
- irix5* | irix6* | nonstopux*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- # PIC (with -KPIC) is the default.
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
- ;;
-
- linux* | k*bsd*-gnu)
- case $cc_basename in
- icc* | ecc* | ifort*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
- ;;
- pgcc* | pgf77* | pgf90* | pgf95*)
- # Portland Group compilers (*not* the Pentium gcc compiler,
- # which looks to be a dead project)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
- ccc*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- # All Alpha code is PIC.
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
- ;;
- xl*)
- # IBM XL C 8.0/Fortran 10.1 on PPC
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
- ;;
- *)
- case `$CC -V 2>&1 | sed 5q` in
- *Sun\ C*)
- # Sun C 5.9
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- ;;
- *Sun\ F*)
- # Sun Fortran 8.3 passes all unrecognized flags to the linker
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
- ;;
- esac
- ;;
- esac
- ;;
-
- newsos6)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
-
- *nto* | *qnx*)
- # QNX uses GNU C++, but need to define -shared option too, otherwise
- # it will coredump.
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
- ;;
-
- osf3* | osf4* | osf5*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- # All OSF/1 code is PIC.
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
- ;;
-
- rdos*)
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
- ;;
-
- solaris*)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- case $cc_basename in
- f77* | f90* | f95*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
- *)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
- esac
- ;;
-
- sunos4*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
-
- sysv4 | sysv4.2uw2* | sysv4.3*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
-
- sysv4*MP*)
- if test -d /usr/nec ;then
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- fi
- ;;
-
- sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
-
- unicos*)
- _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
- _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
- ;;
-
- uts4*)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
- _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
- ;;
-
- *)
- _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
- ;;
- esac
- fi
-])
-case $host_os in
- # For platforms which do not support PIC, -DPIC is meaningless:
- *djgpp*)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)=
- ;;
- *)
- _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])"
- ;;
-esac
-AC_MSG_RESULT([$_LT_TAGVAR(lt_prog_compiler_pic, $1)])
-_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1],
- [How to pass a linker flag through the compiler])
-
-#
-# Check to make sure the PIC flag actually works.
-#
-if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
- _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works],
- [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)],
- [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [],
- [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
- "" | " "*) ;;
- *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
- esac],
- [_LT_TAGVAR(lt_prog_compiler_pic, $1)=
- _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
-fi
-_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1],
- [Additional compiler flags for building library objects])
-
-#
-# Check to make sure the static flag actually works.
-#
-wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
-_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
- _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
- $lt_tmp_static_flag,
- [],
- [_LT_TAGVAR(lt_prog_compiler_static, $1)=])
-_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1],
- [Compiler flag to prevent dynamic linking])
-])# _LT_COMPILER_PIC
-
-
-# _LT_LINKER_SHLIBS([TAGNAME])
-# ----------------------------
-# See if the linker supports building shared libraries.
-m4_defun([_LT_LINKER_SHLIBS],
-[AC_REQUIRE([LT_PATH_LD])dnl
-AC_REQUIRE([LT_PATH_NM])dnl
-m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_DECL_EGREP])dnl
-m4_require([_LT_DECL_SED])dnl
-m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
-m4_require([_LT_TAG_COMPILER])dnl
-AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
-m4_if([$1], [CXX], [
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
- case $host_os in
- aix[[4-9]]*)
- # If we're using GNU nm, then we don't want the "-C" option.
- # -C means demangle to AIX nm, but means don't demangle with GNU nm
- if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
- else
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
- fi
- ;;
- pw32*)
- _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
- ;;
- cygwin* | mingw*)
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;/^.*[[ ]]__nm__/s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
- ;;
- *)
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
- ;;
- esac
- _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
-], [
- runpath_var=
- _LT_TAGVAR(allow_undefined_flag, $1)=
- _LT_TAGVAR(always_export_symbols, $1)=no
- _LT_TAGVAR(archive_cmds, $1)=
- _LT_TAGVAR(archive_expsym_cmds, $1)=
- _LT_TAGVAR(compiler_needs_object, $1)=no
- _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
- _LT_TAGVAR(export_dynamic_flag_spec, $1)=
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
- _LT_TAGVAR(hardcode_automatic, $1)=no
- _LT_TAGVAR(hardcode_direct, $1)=no
- _LT_TAGVAR(hardcode_direct_absolute, $1)=no
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
- _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
- _LT_TAGVAR(hardcode_libdir_separator, $1)=
- _LT_TAGVAR(hardcode_minus_L, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
- _LT_TAGVAR(inherit_rpath, $1)=no
- _LT_TAGVAR(link_all_deplibs, $1)=unknown
- _LT_TAGVAR(module_cmds, $1)=
- _LT_TAGVAR(module_expsym_cmds, $1)=
- _LT_TAGVAR(old_archive_from_new_cmds, $1)=
- _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
- _LT_TAGVAR(thread_safe_flag_spec, $1)=
- _LT_TAGVAR(whole_archive_flag_spec, $1)=
- # include_expsyms should be a list of space-separated symbols to be *always*
- # included in the symbol list
- _LT_TAGVAR(include_expsyms, $1)=
- # exclude_expsyms can be an extended regexp of symbols to exclude
- # it will be wrapped by ` (' and `)$', so one must not match beginning or
- # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
- # as well as any symbol that contains `d'.
- _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
- # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
- # platforms (ab)use it in PIC code, but their linkers get confused if
- # the symbol is explicitly referenced. Since portable code cannot
- # rely on this symbol name, it's probably fine to never include it in
- # preloaded symbol tables.
- # Exclude shared library initialization/finalization symbols.
-dnl Note also adjust exclude_expsyms for C++ above.
- extract_expsyms_cmds=
-
- case $host_os in
- cygwin* | mingw* | pw32*)
- # FIXME: the MSVC++ port hasn't been tested in a loooong time
- # When not using gcc, we currently assume that we are using
- # Microsoft Visual C++.
- if test "$GCC" != yes; then
- with_gnu_ld=no
- fi
- ;;
- interix*)
- # we just hope/assume this is gcc and not c89 (= MSVC++)
- with_gnu_ld=yes
- ;;
- openbsd*)
- with_gnu_ld=no
- ;;
- esac
-
- _LT_TAGVAR(ld_shlibs, $1)=yes
- if test "$with_gnu_ld" = yes; then
- # If archive_cmds runs LD, not CC, wlarc should be empty
- wlarc='${wl}'
-
- # Set some defaults for GNU ld with shared library support. These
- # are reset later if shared libraries are not supported. Putting them
- # here allows them to be overridden if necessary.
- runpath_var=LD_RUN_PATH
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
- # ancient GNU ld didn't support --whole-archive et. al.
- if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
- _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
- else
- _LT_TAGVAR(whole_archive_flag_spec, $1)=
- fi
- supports_anon_versioning=no
- case `$LD -v 2>&1` in
- *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
- *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
- *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
- *\ 2.11.*) ;; # other 2.11 versions
- *) supports_anon_versioning=yes ;;
- esac
-
- # See if GNU ld supports shared libraries.
- case $host_os in
- aix[[3-9]]*)
- # On AIX/PPC, the GNU linker is very broken
- if test "$host_cpu" != ia64; then
- _LT_TAGVAR(ld_shlibs, $1)=no
- cat <<_LT_EOF 1>&2
-
-*** Warning: the GNU linker, at least up to release 2.9.1, is reported
-*** to be unable to reliably create shared libraries on AIX.
-*** Therefore, libtool is disabling shared libraries support. If you
-*** really care for shared libraries, you may want to modify your PATH
-*** so that a non-GNU linker is found, and then restart.
-
-_LT_EOF
- fi
- ;;
-
- amigaos*)
- case $host_cpu in
- powerpc)
- # see comment about AmigaOS4 .so support
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)=''
- ;;
- m68k)
- _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- ;;
- esac
- ;;
-
- beos*)
- if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
- # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
- # support --undefined. This deserves some investigation. FIXME
- _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
-
- cygwin* | mingw* | pw32*)
- # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
- # as there is no search path for DLLs.
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
- _LT_TAGVAR(always_export_symbols, $1)=no
- _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
-
- if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
- # If the export-symbols file already is a .def file (1st line
- # is EXPORTS), use it as is; otherwise, prepend...
- _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
- cp $export_symbols $output_objdir/$soname.def;
- else
- echo EXPORTS > $output_objdir/$soname.def;
- cat $export_symbols >> $output_objdir/$soname.def;
- fi~
- $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
-
- interix[[3-9]]*)
- _LT_TAGVAR(hardcode_direct, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
- # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
- # Instead, shared libraries are loaded at an image base (0x10000000 by
- # default) and relocated if they conflict, which is a slow very memory
- # consuming and fragmenting process. To avoid this, we pick a random,
- # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
- # time. Moving up from 0x10000000 also allows more sbrk(2) space.
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
- ;;
-
- gnu* | linux* | tpf* | k*bsd*-gnu)
- tmp_diet=no
- if test "$host_os" = linux-dietlibc; then
- case $cc_basename in
- diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn)
- esac
- fi
- if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
- && test "$tmp_diet" = no
- then
- tmp_addflag=
- tmp_sharedflag='-shared'
- case $cc_basename,$host_cpu in
- pgcc*) # Portland Group C compiler
- _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
- tmp_addflag=' $pic_flag'
- ;;
- pgf77* | pgf90* | pgf95*) # Portland Group f77 and f90 compilers
- _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
- tmp_addflag=' $pic_flag -Mnomain' ;;
- ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64
- tmp_addflag=' -i_dynamic' ;;
- efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64
- tmp_addflag=' -i_dynamic -nofor_main' ;;
- ifc* | ifort*) # Intel Fortran compiler
- tmp_addflag=' -nofor_main' ;;
- xl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below)
- tmp_sharedflag='-qmkshrobj'
- tmp_addflag= ;;
- esac
- case `$CC -V 2>&1 | sed 5q` in
- *Sun\ C*) # Sun C 5.9
- _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
- _LT_TAGVAR(compiler_needs_object, $1)=yes
- tmp_sharedflag='-G' ;;
- *Sun\ F*) # Sun Fortran 8.3
- tmp_sharedflag='-G' ;;
- esac
- _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
-
- if test "x$supports_anon_versioning" = xyes; then
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
- cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
- echo "local: *; };" >> $output_objdir/$libname.ver~
- $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
- fi
-
- case $cc_basename in
- xlf*)
- # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
- _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
- _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir'
- _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $compiler_flags -soname $soname -o $lib'
- if test "x$supports_anon_versioning" = xyes; then
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
- cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
- echo "local: *; };" >> $output_objdir/$libname.ver~
- $LD -shared $libobjs $deplibs $compiler_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
- fi
- ;;
- esac
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
-
- netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
- wlarc=
- else
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
- fi
- ;;
-
- solaris*)
- if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
- _LT_TAGVAR(ld_shlibs, $1)=no
- cat <<_LT_EOF 1>&2
-
-*** Warning: The releases 2.8.* of the GNU linker cannot reliably
-*** create shared libraries on Solaris systems. Therefore, libtool
-*** is disabling shared libraries support. We urge you to upgrade GNU
-*** binutils to release 2.9.1 or newer. Another option is to modify
-*** your PATH or compiler configuration so that the native linker is
-*** used, and then restart.
-
-_LT_EOF
- elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
-
- sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
- case `$LD -v 2>&1` in
- *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
- _LT_TAGVAR(ld_shlibs, $1)=no
- cat <<_LT_EOF 1>&2
-
-*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
-*** reliably create shared libraries on SCO systems. Therefore, libtool
-*** is disabling shared libraries support. We urge you to upgrade GNU
-*** binutils to release 2.16.91.0.3 or newer. Another option is to modify
-*** your PATH or compiler configuration so that the native linker is
-*** used, and then restart.
-
-_LT_EOF
- ;;
- *)
- # For security reasons, it is highly recommended that you always
- # use absolute paths for naming shared libraries, and exclude the
- # DT_RUNPATH tag from executables and libraries. But doing so
- # requires that you compile everything twice, which is a pain.
- if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
- esac
- ;;
-
- sunos4*)
- _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
- wlarc=
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- *)
- if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
- esac
-
- if test "$_LT_TAGVAR(ld_shlibs, $1)" = no; then
- runpath_var=
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
- _LT_TAGVAR(export_dynamic_flag_spec, $1)=
- _LT_TAGVAR(whole_archive_flag_spec, $1)=
- fi
- else
- # PORTME fill in a description of your system's linker (not GNU ld)
- case $host_os in
- aix3*)
- _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
- _LT_TAGVAR(always_export_symbols, $1)=yes
- _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
- # Note: this linker hardcodes the directories in LIBPATH if there
- # are no directories specified by -L.
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
- # Neither direct hardcoding nor static linking is supported with a
- # broken collect2.
- _LT_TAGVAR(hardcode_direct, $1)=unsupported
- fi
- ;;
-
- aix[[4-9]]*)
- if test "$host_cpu" = ia64; then
- # On IA64, the linker does run time linking by default, so we don't
- # have to do anything special.
- aix_use_runtimelinking=no
- exp_sym_flag='-Bexport'
- no_entry_flag=""
- else
- # If we're using GNU nm, then we don't want the "-C" option.
- # -C means demangle to AIX nm, but means don't demangle with GNU nm
- if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
- else
- _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
- fi
- aix_use_runtimelinking=no
-
- # Test if we are trying to use run time linking or normal
- # AIX style linking. If -brtl is somewhere in LDFLAGS, we
- # need to do runtime linking.
- case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
- for ld_flag in $LDFLAGS; do
- if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
- aix_use_runtimelinking=yes
- break
- fi
- done
- ;;
- esac
-
- exp_sym_flag='-bexport'
- no_entry_flag='-bnoentry'
- fi
-
- # When large executables or shared objects are built, AIX ld can
- # have problems creating the table of contents. If linking a library
- # or program results in "error TOC overflow" add -mminimal-toc to
- # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
- # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
-
- _LT_TAGVAR(archive_cmds, $1)=''
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
- _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
- _LT_TAGVAR(link_all_deplibs, $1)=yes
- _LT_TAGVAR(file_list_spec, $1)='${wl}-f,'
-
- if test "$GCC" = yes; then
- case $host_os in aix4.[[012]]|aix4.[[012]].*)
- # We only want to do this on AIX 4.2 and lower, the check
- # below for broken collect2 doesn't work under 4.3+
- collect2name=`${CC} -print-prog-name=collect2`
- if test -f "$collect2name" &&
- strings "$collect2name" | $GREP resolve_lib_name >/dev/null
- then
- # We have reworked collect2
- :
- else
- # We have old collect2
- _LT_TAGVAR(hardcode_direct, $1)=unsupported
- # It fails to find uninstalled libraries when the uninstalled
- # path is not listed in the libpath. Setting hardcode_minus_L
- # to unsupported forces relinking
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=
- fi
- ;;
- esac
- shared_flag='-shared'
- if test "$aix_use_runtimelinking" = yes; then
- shared_flag="$shared_flag "'${wl}-G'
- fi
- else
- # not using gcc
- if test "$host_cpu" = ia64; then
- # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
- # chokes on -Wl,-G. The following line is correct:
- shared_flag='-G'
- else
- if test "$aix_use_runtimelinking" = yes; then
- shared_flag='${wl}-G'
- else
- shared_flag='${wl}-bM:SRE'
- fi
- fi
- fi
-
- # It seems that -bexpall does not export symbols beginning with
- # underscore (_), so it is better to generate a list of symbols to export.
- _LT_TAGVAR(always_export_symbols, $1)=yes
- if test "$aix_use_runtimelinking" = yes; then
- # Warning - without using the other runtime loading flags (-brtl),
- # -berok will link without error, but may produce a broken library.
- _LT_TAGVAR(allow_undefined_flag, $1)='-berok'
- # Determine the default libpath from the value encoded in an
- # empty executable.
- _LT_SYS_MODULE_PATH_AIX
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
- else
- if test "$host_cpu" = ia64; then
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
- _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
- _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
- else
- # Determine the default libpath from the value encoded in an
- # empty executable.
- _LT_SYS_MODULE_PATH_AIX
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
- # Warning - without using the other run time loading flags,
- # -berok will link without error, but may produce a broken library.
- _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
- _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
- # Exported symbols can be pulled into shared objects from archives
- _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
- _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
- # This is similar to how AIX traditionally builds its shared libraries.
- _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
- fi
- fi
- ;;
-
- amigaos*)
- case $host_cpu in
- powerpc)
- # see comment about AmigaOS4 .so support
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)=''
- ;;
- m68k)
- _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- ;;
- esac
- ;;
-
- bsdi[[45]]*)
- _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
- ;;
-
- cygwin* | mingw* | pw32*)
- # When not using gcc, we currently assume that we are using
- # Microsoft Visual C++.
- # hardcode_libdir_flag_spec is actually meaningless, as there is
- # no search path for DLLs.
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
- _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
- # Tell ltmain to make .lib files, not .a files.
- libext=lib
- # Tell ltmain to make .dll files, not .so files.
- shrext_cmds=".dll"
- # FIXME: Setting linknames here is a bad hack.
- _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `$ECHO "X$deplibs" | $Xsed -e '\''s/ -lc$//'\''` -link -dll~linknames='
- # The linker will automatically build a .lib file if we build a DLL.
- _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
- # FIXME: Should let the user specify the lib program.
- _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
- _LT_TAGVAR(fix_srcfile_path, $1)='`cygpath -w "$srcfile"`'
- _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
- ;;
-
- darwin* | rhapsody*)
- _LT_DARWIN_LINKER_FEATURES($1)
- ;;
-
- dgux*)
- _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- freebsd1*)
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
-
- # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
- # support. Future versions do this automatically, but an explicit c++rt0.o
- # does not break anything, and helps significantly (at the cost of a little
- # extra space).
- freebsd2.2*)
- _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- # Unfortunately, older versions of FreeBSD 2 do not have this feature.
- freebsd2*)
- _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
- freebsd* | dragonfly*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- hpux9*)
- if test "$GCC" = yes; then
- _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
- else
- _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
- fi
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
- _LT_TAGVAR(hardcode_direct, $1)=yes
-
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
- ;;
-
- hpux10*)
- if test "$GCC" = yes -a "$with_gnu_ld" = no; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
- else
- _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
- fi
- if test "$with_gnu_ld" = no; then
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- fi
- ;;
-
- hpux11*)
- if test "$GCC" = yes -a "$with_gnu_ld" = no; then
- case $host_cpu in
- hppa*64*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- ia64*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- *)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- esac
- else
- case $host_cpu in
- hppa*64*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- ia64*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- *)
- _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- esac
- fi
- if test "$with_gnu_ld" = no; then
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
- case $host_cpu in
- hppa*64*|ia64*)
- _LT_TAGVAR(hardcode_direct, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
- *)
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
-
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- ;;
- esac
- fi
- ;;
-
- irix5* | irix6* | nonstopux*)
- if test "$GCC" = yes; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- # Try to use the -exported_symbol ld option, if it does not
- # work, assume that -exports_file does not work either and
- # implicitly export all symbols.
- save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
- AC_LINK_IFELSE(int foo(void) {},
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
- )
- LDFLAGS="$save_LDFLAGS"
- else
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
- fi
- _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
- _LT_TAGVAR(inherit_rpath, $1)=yes
- _LT_TAGVAR(link_all_deplibs, $1)=yes
- ;;
-
- netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
- else
- _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
- fi
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- newsos6)
- _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- *nto* | *qnx*)
- ;;
-
- openbsd*)
- if test -f /usr/libexec/ld.so; then
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
- else
- case $host_os in
- openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
- _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
- ;;
- *)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
- ;;
- esac
- fi
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
-
- os2*)
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
- _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
- _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
- ;;
-
- osf3*)
- if test "$GCC" = yes; then
- _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- else
- _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
- fi
- _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
- ;;
-
- osf4* | osf5*) # as osf3* with the addition of -msym flag
- if test "$GCC" = yes; then
- _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- else
- _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
- $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
-
- # Both c and cxx compiler support -rpath directly
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
- fi
- _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
- ;;
-
- solaris*)
- _LT_TAGVAR(no_undefined_flag, $1)=' -z defs'
- if test "$GCC" = yes; then
- wlarc='${wl}'
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -shared ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
- else
- case `$CC -V 2>&1` in
- *"Compilers 5.0"*)
- wlarc=''
- _LT_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
- ;;
- *)
- wlarc='${wl}'
- _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
- ;;
- esac
- fi
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- case $host_os in
- solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
- *)
- # The compiler driver will combine and reorder linker options,
- # but understands `-z linker_flag'. GCC discards it without `$wl',
- # but is careful enough not to reorder.
- # Supported since Solaris 2.6 (maybe 2.5.1?)
- if test "$GCC" = yes; then
- _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
- else
- _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
- fi
- ;;
- esac
- _LT_TAGVAR(link_all_deplibs, $1)=yes
- ;;
-
- sunos4*)
- if test "x$host_vendor" = xsequent; then
- # Use $CC to link under sequent, because it throws in some extra .o
- # files that make .init and .fini sections work.
- _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
- fi
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- sysv4)
- case $host_vendor in
- sni)
- _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true???
- ;;
- siemens)
- ## LD is ld it makes a PLAMLIB
- ## CC just makes a GrossModule.
- _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
- _LT_TAGVAR(hardcode_direct, $1)=no
- ;;
- motorola)
- _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
- ;;
- esac
- runpath_var='LD_RUN_PATH'
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- sysv4.3*)
- _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
- ;;
-
- sysv4*MP*)
- if test -d /usr/nec; then
- _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- runpath_var=LD_RUN_PATH
- hardcode_runpath_var=yes
- _LT_TAGVAR(ld_shlibs, $1)=yes
- fi
- ;;
-
- sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
- _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
- _LT_TAGVAR(archive_cmds_need_lc, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- runpath_var='LD_RUN_PATH'
-
- if test "$GCC" = yes; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- fi
- ;;
-
- sysv5* | sco3.2v5* | sco5v6*)
- # Note: We can NOT use -z defs as we might desire, because we do not
- # link with -lc, and that would cause any symbols used from libc to
- # always be unresolved, which means just about no library would
- # ever link correctly. If we're not using GNU ld we use -z text
- # though, which does catch some bad symbols but isn't as heavy-handed
- # as -z defs.
- _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
- _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
- _LT_TAGVAR(archive_cmds_need_lc, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
- _LT_TAGVAR(link_all_deplibs, $1)=yes
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
- runpath_var='LD_RUN_PATH'
-
- if test "$GCC" = yes; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- fi
- ;;
-
- uts4*)
- _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
-
- *)
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- esac
-
- if test x$host_vendor = xsni; then
- case $host in
- sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Blargedynsym'
- ;;
- esac
- fi
- fi
-])
-AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
-test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
-
-_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld
-
-_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl
-_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl
-_LT_DECL([], [extract_expsyms_cmds], [2],
- [The commands to extract the exported symbol list from a shared archive])
-
-#
-# Do we need to explicitly link libc?
-#
-case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in
-x|xyes)
- # Assume -lc should be added
- _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
-
- if test "$enable_shared" = yes && test "$GCC" = yes; then
- case $_LT_TAGVAR(archive_cmds, $1) in
- *'~'*)
- # FIXME: we may have to deal with multi-command sequences.
- ;;
- '$CC '*)
- # Test whether the compiler implicitly links with -lc since on some
- # systems, -lgcc has to come before -lc. If gcc already passes -lc
- # to ld, don't add -lc before -lgcc.
- AC_MSG_CHECKING([whether -lc should be explicitly linked in])
- $RM conftest*
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
- if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
- soname=conftest
- lib=conftest
- libobjs=conftest.$ac_objext
- deplibs=
- wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1)
- pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1)
- compiler_flags=-v
- linker_flags=-v
- verstring=
- output_objdir=.
- libname=conftest
- lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1)
- _LT_TAGVAR(allow_undefined_flag, $1)=
- if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1)
- then
- _LT_TAGVAR(archive_cmds_need_lc, $1)=no
- else
- _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
- fi
- _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
- else
- cat conftest.err 1>&5
- fi
- $RM conftest*
- AC_MSG_RESULT([$_LT_TAGVAR(archive_cmds_need_lc, $1)])
- ;;
- esac
- fi
- ;;
-esac
-
-_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0],
- [Whether or not to add -lc for building shared libraries])
-_LT_TAGDECL([allow_libtool_libs_with_static_runtimes],
- [enable_shared_with_static_runtimes], [0],
- [Whether or not to disallow shared libs when runtime libs are static])
-_LT_TAGDECL([], [export_dynamic_flag_spec], [1],
- [Compiler flag to allow reflexive dlopens])
-_LT_TAGDECL([], [whole_archive_flag_spec], [1],
- [Compiler flag to generate shared objects directly from archives])
-_LT_TAGDECL([], [compiler_needs_object], [1],
- [Whether the compiler copes with passing no objects directly])
-_LT_TAGDECL([], [old_archive_from_new_cmds], [2],
- [Create an old-style archive from a shared archive])
-_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2],
- [Create a temporary old-style archive to link instead of a shared archive])
-_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive])
-_LT_TAGDECL([], [archive_expsym_cmds], [2])
-_LT_TAGDECL([], [module_cmds], [2],
- [Commands used to build a loadable module if different from building
- a shared archive.])
-_LT_TAGDECL([], [module_expsym_cmds], [2])
-_LT_TAGDECL([], [with_gnu_ld], [1],
- [Whether we are building with GNU ld or not])
-_LT_TAGDECL([], [allow_undefined_flag], [1],
- [Flag that allows shared libraries with undefined symbols to be built])
-_LT_TAGDECL([], [no_undefined_flag], [1],
- [Flag that enforces no undefined symbols])
-_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
- [Flag to hardcode $libdir into a binary during linking.
- This must work even if $libdir does not exist])
-_LT_TAGDECL([], [hardcode_libdir_flag_spec_ld], [1],
- [[If ld is used when linking, flag to hardcode $libdir into a binary
- during linking. This must work even if $libdir does not exist]])
-_LT_TAGDECL([], [hardcode_libdir_separator], [1],
- [Whether we need a single "-rpath" flag with a separated argument])
-_LT_TAGDECL([], [hardcode_direct], [0],
- [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
- DIR into the resulting binary])
-_LT_TAGDECL([], [hardcode_direct_absolute], [0],
- [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
- DIR into the resulting binary and the resulting library dependency is
- "absolute", i.e impossible to change by setting ${shlibpath_var} if the
- library is relocated])
-_LT_TAGDECL([], [hardcode_minus_L], [0],
- [Set to "yes" if using the -LDIR flag during linking hardcodes DIR
- into the resulting binary])
-_LT_TAGDECL([], [hardcode_shlibpath_var], [0],
- [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
- into the resulting binary])
-_LT_TAGDECL([], [hardcode_automatic], [0],
- [Set to "yes" if building a shared library automatically hardcodes DIR
- into the library and all subsequent libraries and executables linked
- against it])
-_LT_TAGDECL([], [inherit_rpath], [0],
- [Set to yes if linker adds runtime paths of dependent libraries
- to runtime path list])
-_LT_TAGDECL([], [link_all_deplibs], [0],
- [Whether libtool must link a program against all its dependency libraries])
-_LT_TAGDECL([], [fix_srcfile_path], [1],
- [Fix the shell variable $srcfile for the compiler])
-_LT_TAGDECL([], [always_export_symbols], [0],
- [Set to "yes" if exported symbols are required])
-_LT_TAGDECL([], [export_symbols_cmds], [2],
- [The commands to list exported symbols])
-_LT_TAGDECL([], [exclude_expsyms], [1],
- [Symbols that should not be listed in the preloaded symbols])
-_LT_TAGDECL([], [include_expsyms], [1],
- [Symbols that must always be exported])
-_LT_TAGDECL([], [prelink_cmds], [2],
- [Commands necessary for linking programs (against libraries) with templates])
-_LT_TAGDECL([], [file_list_spec], [1],
- [Specify filename containing input files])
-dnl FIXME: Not yet implemented
-dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1],
-dnl [Compiler flag to generate thread safe objects])
-])# _LT_LINKER_SHLIBS
-
-
-# _LT_LANG_C_CONFIG([TAG])
-# ------------------------
-# Ensure that the configuration variables for a C compiler are suitably
-# defined. These variables are subsequently used by _LT_CONFIG to write
-# the compiler configuration to `libtool'.
-m4_defun([_LT_LANG_C_CONFIG],
-[m4_require([_LT_DECL_EGREP])dnl
-lt_save_CC="$CC"
-AC_LANG_PUSH(C)
-
-# Source file extension for C test sources.
-ac_ext=c
-
-# Object file extension for compiled C test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code="int some_variable = 0;"
-
-# Code to be used in simple link tests
-lt_simple_link_test_code='int main(){return(0);}'
-
-_LT_TAG_COMPILER
-# Save the default compiler, since it gets overwritten when the other
-# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
-compiler_DEFAULT=$CC
-
-# save warnings/boilerplate of simple test code
-_LT_COMPILER_BOILERPLATE
-_LT_LINKER_BOILERPLATE
-
-if test -n "$compiler"; then
- _LT_COMPILER_NO_RTTI($1)
- _LT_COMPILER_PIC($1)
- _LT_COMPILER_C_O($1)
- _LT_COMPILER_FILE_LOCKS($1)
- _LT_LINKER_SHLIBS($1)
- _LT_SYS_DYNAMIC_LINKER($1)
- _LT_LINKER_HARDCODE_LIBPATH($1)
- LT_SYS_DLOPEN_SELF
- _LT_CMD_STRIPLIB
-
- # Report which library types will actually be built
- AC_MSG_CHECKING([if libtool supports shared libraries])
- AC_MSG_RESULT([$can_build_shared])
-
- AC_MSG_CHECKING([whether to build shared libraries])
- test "$can_build_shared" = "no" && enable_shared=no
-
- # On AIX, shared libraries and static libraries use the same namespace, and
- # are all built from PIC.
- case $host_os in
- aix3*)
- test "$enable_shared" = yes && enable_static=no
- if test -n "$RANLIB"; then
- archive_cmds="$archive_cmds~\$RANLIB \$lib"
- postinstall_cmds='$RANLIB $lib'
- fi
- ;;
-
- aix[[4-9]]*)
- if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
- test "$enable_shared" = yes && enable_static=no
- fi
- ;;
- esac
- AC_MSG_RESULT([$enable_shared])
-
- AC_MSG_CHECKING([whether to build static libraries])
- # Make sure either enable_shared or enable_static is yes.
- test "$enable_shared" = yes || enable_static=yes
- AC_MSG_RESULT([$enable_static])
-
- _LT_CONFIG($1)
-fi
-AC_LANG_POP
-CC="$lt_save_CC"
-])# _LT_LANG_C_CONFIG
-
-
-# _LT_PROG_CXX
-# ------------
-# Since AC_PROG_CXX is broken, in that it returns g++ if there is no c++
-# compiler, we have our own version here.
-m4_defun([_LT_PROG_CXX],
-[
-pushdef([AC_MSG_ERROR], [_lt_caught_CXX_error=yes])
-AC_PROG_CXX
-if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
- ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
- (test "X$CXX" != "Xg++"))) ; then
- AC_PROG_CXXCPP
-else
- _lt_caught_CXX_error=yes
-fi
-popdef([AC_MSG_ERROR])
-])# _LT_PROG_CXX
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([_LT_PROG_CXX], [])
-
-
-# _LT_LANG_CXX_CONFIG([TAG])
-# --------------------------
-# Ensure that the configuration variables for a C++ compiler are suitably
-# defined. These variables are subsequently used by _LT_CONFIG to write
-# the compiler configuration to `libtool'.
-m4_defun([_LT_LANG_CXX_CONFIG],
-[AC_REQUIRE([_LT_PROG_CXX])dnl
-m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_DECL_EGREP])dnl
-
-AC_LANG_PUSH(C++)
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-_LT_TAGVAR(allow_undefined_flag, $1)=
-_LT_TAGVAR(always_export_symbols, $1)=no
-_LT_TAGVAR(archive_expsym_cmds, $1)=
-_LT_TAGVAR(compiler_needs_object, $1)=no
-_LT_TAGVAR(export_dynamic_flag_spec, $1)=
-_LT_TAGVAR(hardcode_direct, $1)=no
-_LT_TAGVAR(hardcode_direct_absolute, $1)=no
-_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
-_LT_TAGVAR(hardcode_libdir_separator, $1)=
-_LT_TAGVAR(hardcode_minus_L, $1)=no
-_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
-_LT_TAGVAR(hardcode_automatic, $1)=no
-_LT_TAGVAR(inherit_rpath, $1)=no
-_LT_TAGVAR(module_cmds, $1)=
-_LT_TAGVAR(module_expsym_cmds, $1)=
-_LT_TAGVAR(link_all_deplibs, $1)=unknown
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-_LT_TAGVAR(no_undefined_flag, $1)=
-_LT_TAGVAR(whole_archive_flag_spec, $1)=
-_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
-
-# Source file extension for C++ test sources.
-ac_ext=cpp
-
-# Object file extension for compiled C++ test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# No sense in running all these tests if we already determined that
-# the CXX compiler isn't working. Some variables (like enable_shared)
-# are currently assumed to apply to all compilers on this platform,
-# and will be corrupted by setting them based on a non-working compiler.
-if test "$_lt_caught_CXX_error" != yes; then
- # Code to be used in simple compile tests
- lt_simple_compile_test_code="int some_variable = 0;"
-
- # Code to be used in simple link tests
- lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
-
- # ltmain only uses $CC for tagged configurations so make sure $CC is set.
- _LT_TAG_COMPILER
-
- # save warnings/boilerplate of simple test code
- _LT_COMPILER_BOILERPLATE
- _LT_LINKER_BOILERPLATE
-
- # Allow CC to be a program name with arguments.
- lt_save_CC=$CC
- lt_save_LD=$LD
- lt_save_GCC=$GCC
- GCC=$GXX
- lt_save_with_gnu_ld=$with_gnu_ld
- lt_save_path_LD=$lt_cv_path_LD
- if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
- lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
- else
- $as_unset lt_cv_prog_gnu_ld
- fi
- if test -n "${lt_cv_path_LDCXX+set}"; then
- lt_cv_path_LD=$lt_cv_path_LDCXX
- else
- $as_unset lt_cv_path_LD
- fi
- test -z "${LDCXX+set}" || LD=$LDCXX
- CC=${CXX-"c++"}
- compiler=$CC
- _LT_TAGVAR(compiler, $1)=$CC
- _LT_CC_BASENAME([$compiler])
-
- if test -n "$compiler"; then
- # We don't want -fno-exception when compiling C++ code, so set the
- # no_builtin_flag separately
- if test "$GXX" = yes; then
- _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
- else
- _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
- fi
-
- if test "$GXX" = yes; then
- # Set up default GNU C++ configuration
-
- LT_PATH_LD
-
- # Check if GNU C++ uses GNU ld as the underlying linker, since the
- # archiving commands below assume that GNU ld is being used.
- if test "$with_gnu_ld" = yes; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
-
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
-
- # If archive_cmds runs LD, not CC, wlarc should be empty
- # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
- # investigate it a little bit more. (MM)
- wlarc='${wl}'
-
- # ancient GNU ld didn't support --whole-archive et. al.
- if eval "`$CC -print-prog-name=ld` --help 2>&1" |
- $GREP 'no-whole-archive' > /dev/null; then
- _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
- else
- _LT_TAGVAR(whole_archive_flag_spec, $1)=
- fi
- else
- with_gnu_ld=no
- wlarc=
-
- # A generic and very simple default shared library creation
- # command for GNU C++ for the case where it uses the native
- # linker, instead of GNU ld. If possible, this setting should
- # overridden to take advantage of the native linker features on
- # the platform it is being used on.
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
- fi
-
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"'
-
- else
- GXX=no
- with_gnu_ld=no
- wlarc=
- fi
-
- # PORTME: fill in a description of your system's C++ link characteristics
- AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
- _LT_TAGVAR(ld_shlibs, $1)=yes
- case $host_os in
- aix3*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- aix[[4-9]]*)
- if test "$host_cpu" = ia64; then
- # On IA64, the linker does run time linking by default, so we don't
- # have to do anything special.
- aix_use_runtimelinking=no
- exp_sym_flag='-Bexport'
- no_entry_flag=""
- else
- aix_use_runtimelinking=no
-
- # Test if we are trying to use run time linking or normal
- # AIX style linking. If -brtl is somewhere in LDFLAGS, we
- # need to do runtime linking.
- case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
- for ld_flag in $LDFLAGS; do
- case $ld_flag in
- *-brtl*)
- aix_use_runtimelinking=yes
- break
- ;;
- esac
- done
- ;;
- esac
-
- exp_sym_flag='-bexport'
- no_entry_flag='-bnoentry'
- fi
-
- # When large executables or shared objects are built, AIX ld can
- # have problems creating the table of contents. If linking a library
- # or program results in "error TOC overflow" add -mminimal-toc to
- # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
- # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
-
- _LT_TAGVAR(archive_cmds, $1)=''
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
- _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
- _LT_TAGVAR(link_all_deplibs, $1)=yes
- _LT_TAGVAR(file_list_spec, $1)='${wl}-f,'
-
- if test "$GXX" = yes; then
- case $host_os in aix4.[[012]]|aix4.[[012]].*)
- # We only want to do this on AIX 4.2 and lower, the check
- # below for broken collect2 doesn't work under 4.3+
- collect2name=`${CC} -print-prog-name=collect2`
- if test -f "$collect2name" &&
- strings "$collect2name" | $GREP resolve_lib_name >/dev/null
- then
- # We have reworked collect2
- :
- else
- # We have old collect2
- _LT_TAGVAR(hardcode_direct, $1)=unsupported
- # It fails to find uninstalled libraries when the uninstalled
- # path is not listed in the libpath. Setting hardcode_minus_L
- # to unsupported forces relinking
- _LT_TAGVAR(hardcode_minus_L, $1)=yes
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=
- fi
- esac
- shared_flag='-shared'
- if test "$aix_use_runtimelinking" = yes; then
- shared_flag="$shared_flag "'${wl}-G'
- fi
- else
- # not using gcc
- if test "$host_cpu" = ia64; then
- # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
- # chokes on -Wl,-G. The following line is correct:
- shared_flag='-G'
- else
- if test "$aix_use_runtimelinking" = yes; then
- shared_flag='${wl}-G'
- else
- shared_flag='${wl}-bM:SRE'
- fi
- fi
- fi
-
- # It seems that -bexpall does not export symbols beginning with
- # underscore (_), so it is better to generate a list of symbols to
- # export.
- _LT_TAGVAR(always_export_symbols, $1)=yes
- if test "$aix_use_runtimelinking" = yes; then
- # Warning - without using the other runtime loading flags (-brtl),
- # -berok will link without error, but may produce a broken library.
- _LT_TAGVAR(allow_undefined_flag, $1)='-berok'
- # Determine the default libpath from the value encoded in an empty
- # executable.
- _LT_SYS_MODULE_PATH_AIX
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
-
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
- else
- if test "$host_cpu" = ia64; then
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
- _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
- _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
- else
- # Determine the default libpath from the value encoded in an
- # empty executable.
- _LT_SYS_MODULE_PATH_AIX
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
- # Warning - without using the other run time loading flags,
- # -berok will link without error, but may produce a broken library.
- _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
- _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
- # Exported symbols can be pulled into shared objects from archives
- _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
- _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
- # This is similar to how AIX traditionally builds its shared
- # libraries.
- _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
- fi
- fi
- ;;
-
- beos*)
- if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
- # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
- # support --undefined. This deserves some investigation. FIXME
- _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
-
- chorus*)
- case $cc_basename in
- *)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- esac
- ;;
-
- cygwin* | mingw* | pw32*)
- # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
- # as there is no search path for DLLs.
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
- _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
- _LT_TAGVAR(always_export_symbols, $1)=no
- _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
-
- if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
- # If the export-symbols file already is a .def file (1st line
- # is EXPORTS), use it as is; otherwise, prepend...
- _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
- cp $export_symbols $output_objdir/$soname.def;
- else
- echo EXPORTS > $output_objdir/$soname.def;
- cat $export_symbols >> $output_objdir/$soname.def;
- fi~
- $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
- darwin* | rhapsody*)
- _LT_DARWIN_LINKER_FEATURES($1)
- ;;
-
- dgux*)
- case $cc_basename in
- ec++*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- ghcx*)
- # Green Hills C++ Compiler
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- *)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- esac
- ;;
-
- freebsd[[12]]*)
- # C++ shared libraries reported to be fairly broken before
- # switch to ELF
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
-
- freebsd-elf*)
- _LT_TAGVAR(archive_cmds_need_lc, $1)=no
- ;;
-
- freebsd* | dragonfly*)
- # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
- # conventions
- _LT_TAGVAR(ld_shlibs, $1)=yes
- ;;
-
- gnu*)
- ;;
-
- hpux9*)
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
- # but as the default
- # location of the library.
-
- case $cc_basename in
- CC*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- aCC*)
- _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- #
- # There doesn't appear to be a way to prevent this compiler from
- # explicitly linking system object files so we need to strip them
- # from the output so that they don't get included in the library
- # dependencies.
- output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
- ;;
- *)
- if test "$GXX" = yes; then
- _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
- else
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
- esac
- ;;
-
- hpux10*|hpux11*)
- if test $with_gnu_ld = no; then
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
- case $host_cpu in
- hppa*64*|ia64*)
- ;;
- *)
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
- ;;
- esac
- fi
- case $host_cpu in
- hppa*64*|ia64*)
- _LT_TAGVAR(hardcode_direct, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- ;;
- *)
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
- _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
- # but as the default
- # location of the library.
- ;;
- esac
-
- case $cc_basename in
- CC*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- aCC*)
- case $host_cpu in
- hppa*64*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
- ;;
- ia64*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
- ;;
- *)
- _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
- ;;
- esac
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- #
- # There doesn't appear to be a way to prevent this compiler from
- # explicitly linking system object files so we need to strip them
- # from the output so that they don't get included in the library
- # dependencies.
- output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
- ;;
- *)
- if test "$GXX" = yes; then
- if test $with_gnu_ld = no; then
- case $host_cpu in
- hppa*64*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
- ;;
- ia64*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
- ;;
- *)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
- ;;
- esac
- fi
- else
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
- esac
- ;;
-
- interix[[3-9]]*)
- _LT_TAGVAR(hardcode_direct, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
- # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
- # Instead, shared libraries are loaded at an image base (0x10000000 by
- # default) and relocated if they conflict, which is a slow very memory
- # consuming and fragmenting process. To avoid this, we pick a random,
- # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
- # time. Moving up from 0x10000000 also allows more sbrk(2) space.
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
- ;;
- irix5* | irix6*)
- case $cc_basename in
- CC*)
- # SGI C++
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
-
- # Archives containing C++ object files must be created using
- # "CC -ar", where "CC" is the IRIX C++ compiler. This is
- # necessary to make sure instantiated templates are included
- # in the archive.
- _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
- ;;
- *)
- if test "$GXX" = yes; then
- if test "$with_gnu_ld" = no; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- else
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` -o $lib'
- fi
- fi
- _LT_TAGVAR(link_all_deplibs, $1)=yes
- ;;
- esac
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
- _LT_TAGVAR(inherit_rpath, $1)=yes
- ;;
-
- linux* | k*bsd*-gnu)
- case $cc_basename in
- KCC*)
- # Kuck and Associates, Inc. (KAI) C++ Compiler
-
- # KCC will only create a shared library if the output file
- # ends with ".so" (or ".sl" for HP-UX), so rename the library
- # to its proper name (with version) after linking.
- _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- #
- # There doesn't appear to be a way to prevent this compiler from
- # explicitly linking system object files so we need to strip them
- # from the output so that they don't get included in the library
- # dependencies.
- output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
-
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
-
- # Archives containing C++ object files must be created using
- # "CC -Bstatic", where "CC" is the KAI C++ compiler.
- _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
- ;;
- icpc* | ecpc* )
- # Intel C++
- with_gnu_ld=yes
- # version 8.0 and above of icpc choke on multiply defined symbols
- # if we add $predep_objects and $postdep_objects, however 7.1 and
- # earlier do not add the objects themselves.
- case `$CC -V 2>&1` in
- *"Version 7."*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
- ;;
- *) # Version 8.0 or newer
- tmp_idyn=
- case $host_cpu in
- ia64*) tmp_idyn=' -i_dynamic';;
- esac
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
- ;;
- esac
- _LT_TAGVAR(archive_cmds_need_lc, $1)=no
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
- _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
- ;;
- pgCC* | pgcpp*)
- # Portland Group C++ compiler
- case `$CC -V` in
- *pgCC\ [[1-5]]* | *pgcpp\ [[1-5]]*)
- _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~
- rm -rf $tpldir~
- $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
- compile_command="$compile_command `find $tpldir -name \*.o | $NL2SP`"'
- _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~
- rm -rf $tpldir~
- $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
- $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | $NL2SP`~
- $RANLIB $oldlib'
- _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~
- rm -rf $tpldir~
- $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
- $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~
- rm -rf $tpldir~
- $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
- $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
- ;;
- *) # Version 6 will use weak symbols
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
- ;;
- esac
-
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
- _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
- ;;
- cxx*)
- # Compaq C++
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
-
- runpath_var=LD_RUN_PATH
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- #
- # There doesn't appear to be a way to prevent this compiler from
- # explicitly linking system object files so we need to strip them
- # from the output so that they don't get included in the library
- # dependencies.
- output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`$ECHO "X$templist" | $Xsed -e "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
- ;;
- xl*)
- # IBM XL 8.0 on PPC, with GNU ld
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
- _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- if test "x$supports_anon_versioning" = xyes; then
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
- cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
- echo "local: *; };" >> $output_objdir/$libname.ver~
- $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
- fi
- ;;
- *)
- case `$CC -V 2>&1 | sed 5q` in
- *Sun\ C*)
- # Sun C++ 5.9
- _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
- _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
- _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
- _LT_TAGVAR(compiler_needs_object, $1)=yes
-
- # Not sure whether something based on
- # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
- # would be better.
- output_verbose_link_cmd='echo'
-
- # Archives containing C++ object files must be created using
- # "CC -xar", where "CC" is the Sun C++ compiler. This is
- # necessary to make sure instantiated templates are included
- # in the archive.
- _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
- ;;
- esac
- ;;
- esac
- ;;
-
- lynxos*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
-
- m88k*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
-
- mvs*)
- case $cc_basename in
- cxx*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- *)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- esac
- ;;
-
- netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
- wlarc=
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- fi
- # Workaround some broken pre-1.5 toolchains
- output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
- ;;
-
- *nto* | *qnx*)
- _LT_TAGVAR(ld_shlibs, $1)=yes
- ;;
-
- openbsd2*)
- # C++ shared libraries are fairly broken
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
-
- openbsd*)
- if test -f /usr/libexec/ld.so; then
- _LT_TAGVAR(hardcode_direct, $1)=yes
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
- if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
- _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
- fi
- output_verbose_link_cmd=echo
- else
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
-
- osf3* | osf4* | osf5*)
- case $cc_basename in
- KCC*)
- # Kuck and Associates, Inc. (KAI) C++ Compiler
-
- # KCC will only create a shared library if the output file
- # ends with ".so" (or ".sl" for HP-UX), so rename the library
- # to its proper name (with version) after linking.
- _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
-
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
- # Archives containing C++ object files must be created using
- # the KAI C++ compiler.
- case $host in
- osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;;
- *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;;
- esac
- ;;
- RCC*)
- # Rational C++ 2.4.1
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- cxx*)
- case $host in
- osf3*)
- _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && $ECHO "X${wl}-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- ;;
- *)
- _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
- echo "-hidden">> $lib.exp~
- $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~
- $RM $lib.exp'
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
- ;;
- esac
-
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- #
- # There doesn't appear to be a way to prevent this compiler from
- # explicitly linking system object files so we need to strip them
- # from the output so that they don't get included in the library
- # dependencies.
- output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`$ECHO "X$templist" | $Xsed -e "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
- ;;
- *)
- if test "$GXX" = yes && test "$with_gnu_ld" = no; then
- _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
- case $host in
- osf3*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- ;;
- *)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- ;;
- esac
-
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"'
-
- else
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- fi
- ;;
- esac
- ;;
-
- psos*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
-
- sunos4*)
- case $cc_basename in
- CC*)
- # Sun C++ 4.x
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- lcc*)
- # Lucid
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- *)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- esac
- ;;
-
- solaris*)
- case $cc_basename in
- CC*)
- # Sun C++ 4.2, 5.x and Centerline C++
- _LT_TAGVAR(archive_cmds_need_lc,$1)=yes
- _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
- _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- case $host_os in
- solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
- *)
- # The compiler driver will combine and reorder linker options,
- # but understands `-z linker_flag'.
- # Supported since Solaris 2.6 (maybe 2.5.1?)
- _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
- ;;
- esac
- _LT_TAGVAR(link_all_deplibs, $1)=yes
-
- output_verbose_link_cmd='echo'
-
- # Archives containing C++ object files must be created using
- # "CC -xar", where "CC" is the Sun C++ compiler. This is
- # necessary to make sure instantiated templates are included
- # in the archive.
- _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
- ;;
- gcx*)
- # Green Hills C++ Compiler
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
-
- # The C++ compiler must be used to create the archive.
- _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
- ;;
- *)
- # GNU C++ compiler with Solaris linker
- if test "$GXX" = yes && test "$with_gnu_ld" = no; then
- _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs'
- if $CC --version | $GREP -v '^2\.7' > /dev/null; then
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"'
- else
- # g++ 2.7 appears to require `-G' NOT `-shared' on this
- # platform.
- _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
- _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
-
- # Commands to make compiler produce verbose output that lists
- # what "hidden" libraries, object files and flags are used when
- # linking a shared library.
- output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"'
- fi
-
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir'
- case $host_os in
- solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
- *)
- _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
- ;;
- esac
- fi
- ;;
- esac
- ;;
-
- sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
- _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
- _LT_TAGVAR(archive_cmds_need_lc, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- runpath_var='LD_RUN_PATH'
-
- case $cc_basename in
- CC*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- *)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- esac
- ;;
-
- sysv5* | sco3.2v5* | sco5v6*)
- # Note: We can NOT use -z defs as we might desire, because we do not
- # link with -lc, and that would cause any symbols used from libc to
- # always be unresolved, which means just about no library would
- # ever link correctly. If we're not using GNU ld we use -z text
- # though, which does catch some bad symbols but isn't as heavy-handed
- # as -z defs.
- _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
- _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
- _LT_TAGVAR(archive_cmds_need_lc, $1)=no
- _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
- _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir'
- _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
- _LT_TAGVAR(link_all_deplibs, $1)=yes
- _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
- runpath_var='LD_RUN_PATH'
-
- case $cc_basename in
- CC*)
- _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- *)
- _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- esac
- ;;
-
- tandem*)
- case $cc_basename in
- NCC*)
- # NonStop-UX NCC 3.20
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- *)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- esac
- ;;
-
- vxworks*)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
-
- *)
- # FIXME: insert proper C++ library support
- _LT_TAGVAR(ld_shlibs, $1)=no
- ;;
- esac
-
- AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
- test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
-
- _LT_TAGVAR(GCC, $1)="$GXX"
- _LT_TAGVAR(LD, $1)="$LD"
-
- ## CAVEAT EMPTOR:
- ## There is no encapsulation within the following macros, do not change
- ## the running order or otherwise move them around unless you know exactly
- ## what you are doing...
- _LT_SYS_HIDDEN_LIBDEPS($1)
- _LT_COMPILER_PIC($1)
- _LT_COMPILER_C_O($1)
- _LT_COMPILER_FILE_LOCKS($1)
- _LT_LINKER_SHLIBS($1)
- _LT_SYS_DYNAMIC_LINKER($1)
- _LT_LINKER_HARDCODE_LIBPATH($1)
-
- _LT_CONFIG($1)
- fi # test -n "$compiler"
-
- CC=$lt_save_CC
- LDCXX=$LD
- LD=$lt_save_LD
- GCC=$lt_save_GCC
- with_gnu_ld=$lt_save_with_gnu_ld
- lt_cv_path_LDCXX=$lt_cv_path_LD
- lt_cv_path_LD=$lt_save_path_LD
- lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
- lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
-fi # test "$_lt_caught_CXX_error" != yes
-
-AC_LANG_POP
-])# _LT_LANG_CXX_CONFIG
-
-
-# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
-# ---------------------------------
-# Figure out "hidden" library dependencies from verbose
-# compiler output when linking a shared library.
-# Parse the compiler output and extract the necessary
-# objects, libraries and library flags.
-m4_defun([_LT_SYS_HIDDEN_LIBDEPS],
-[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-# Dependencies to place before and after the object being linked:
-_LT_TAGVAR(predep_objects, $1)=
-_LT_TAGVAR(postdep_objects, $1)=
-_LT_TAGVAR(predeps, $1)=
-_LT_TAGVAR(postdeps, $1)=
-_LT_TAGVAR(compiler_lib_search_path, $1)=
-
-dnl we can't use the lt_simple_compile_test_code here,
-dnl because it contains code intended for an executable,
-dnl not a library. It's possible we should let each
-dnl tag define a new lt_????_link_test_code variable,
-dnl but it's only used here...
-m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF
-int a;
-void foo (void) { a = 0; }
-_LT_EOF
-], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF
-class Foo
-{
-public:
- Foo (void) { a = 0; }
-private:
- int a;
-};
-_LT_EOF
-], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF
- subroutine foo
- implicit none
- integer*4 a
- a=0
- return
- end
-_LT_EOF
-], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF
- subroutine foo
- implicit none
- integer a
- a=0
- return
- end
-_LT_EOF
-], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF
-public class foo {
- private int a;
- public void bar (void) {
- a = 0;
- }
-};
-_LT_EOF
-])
-dnl Parse the compiler output and extract the necessary
-dnl objects, libraries and library flags.
-if AC_TRY_EVAL(ac_compile); then
- # Parse the compiler output and extract the necessary
- # objects, libraries and library flags.
-
- # Sentinel used to keep track of whether or not we are before
- # the conftest object file.
- pre_test_object_deps_done=no
-
- for p in `eval "$output_verbose_link_cmd"`; do
- case $p in
-
- -L* | -R* | -l*)
- # Some compilers place space between "-{L,R}" and the path.
- # Remove the space.
- if test $p = "-L" ||
- test $p = "-R"; then
- prev=$p
- continue
- else
- prev=
- fi
-
- if test "$pre_test_object_deps_done" = no; then
- case $p in
- -L* | -R*)
- # Internal compiler library paths should come after those
- # provided the user. The postdeps already come after the
- # user supplied libs so there is no need to process them.
- if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then
- _LT_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}"
- else
- _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}"
- fi
- ;;
- # The "-l" case would never come before the object being
- # linked, so don't bother handling this case.
- esac
- else
- if test -z "$_LT_TAGVAR(postdeps, $1)"; then
- _LT_TAGVAR(postdeps, $1)="${prev}${p}"
- else
- _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} ${prev}${p}"
- fi
- fi
- ;;
-
- *.$objext)
- # This assumes that the test object file only shows up
- # once in the compiler output.
- if test "$p" = "conftest.$objext"; then
- pre_test_object_deps_done=yes
- continue
- fi
-
- if test "$pre_test_object_deps_done" = no; then
- if test -z "$_LT_TAGVAR(predep_objects, $1)"; then
- _LT_TAGVAR(predep_objects, $1)="$p"
- else
- _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p"
- fi
- else
- if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then
- _LT_TAGVAR(postdep_objects, $1)="$p"
- else
- _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p"
- fi
- fi
- ;;
-
- *) ;; # Ignore the rest.
-
- esac
- done
-
- # Clean up.
- rm -f a.out a.exe
-else
- echo "libtool.m4: error: problem compiling $1 test program"
-fi
-
-$RM -f confest.$objext
-
-# PORTME: override above test on systems where it is broken
-m4_if([$1], [CXX],
-[case $host_os in
-interix[[3-9]]*)
- # Interix 3.5 installs completely hosed .la files for C++, so rather than
- # hack all around it, let's just trust "g++" to DTRT.
- _LT_TAGVAR(predep_objects,$1)=
- _LT_TAGVAR(postdep_objects,$1)=
- _LT_TAGVAR(postdeps,$1)=
- ;;
-
-linux*)
- case `$CC -V 2>&1 | sed 5q` in
- *Sun\ C*)
- # Sun C++ 5.9
-
- # The more standards-conforming stlport4 library is
- # incompatible with the Cstd library. Avoid specifying
- # it if it's in CXXFLAGS. Ignore libCrun as
- # -library=stlport4 depends on it.
- case " $CXX $CXXFLAGS " in
- *" -library=stlport4 "*)
- solaris_use_stlport4=yes
- ;;
- esac
-
- if test "$solaris_use_stlport4" != yes; then
- _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
- fi
- ;;
- esac
- ;;
-
-solaris*)
- case $cc_basename in
- CC*)
- # The more standards-conforming stlport4 library is
- # incompatible with the Cstd library. Avoid specifying
- # it if it's in CXXFLAGS. Ignore libCrun as
- # -library=stlport4 depends on it.
- case " $CXX $CXXFLAGS " in
- *" -library=stlport4 "*)
- solaris_use_stlport4=yes
- ;;
- esac
-
- # Adding this requires a known-good setup of shared libraries for
- # Sun compiler versions before 5.6, else PIC objects from an old
- # archive will be linked into the output, leading to subtle bugs.
- if test "$solaris_use_stlport4" != yes; then
- _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
- fi
- ;;
- esac
- ;;
-esac
-])
-
-case " $_LT_TAGVAR(postdeps, $1) " in
-*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;;
-esac
- _LT_TAGVAR(compiler_lib_search_dirs, $1)=
-if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then
- _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
-fi
-_LT_TAGDECL([], [compiler_lib_search_dirs], [1],
- [The directories searched by this compiler when creating a shared library])
-_LT_TAGDECL([], [predep_objects], [1],
- [Dependencies to place before and after the objects being linked to
- create a shared library])
-_LT_TAGDECL([], [postdep_objects], [1])
-_LT_TAGDECL([], [predeps], [1])
-_LT_TAGDECL([], [postdeps], [1])
-_LT_TAGDECL([], [compiler_lib_search_path], [1],
- [The library search path used internally by the compiler when linking
- a shared library])
-])# _LT_SYS_HIDDEN_LIBDEPS
-
-
-# _LT_PROG_F77
-# ------------
-# Since AC_PROG_F77 is broken, in that it returns the empty string
-# if there is no fortran compiler, we have our own version here.
-m4_defun([_LT_PROG_F77],
-[
-pushdef([AC_MSG_ERROR], [_lt_disable_F77=yes])
-AC_PROG_F77
-if test -z "$F77" || test "X$F77" = "Xno"; then
- _lt_disable_F77=yes
-fi
-popdef([AC_MSG_ERROR])
-])# _LT_PROG_F77
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([_LT_PROG_F77], [])
-
-
-# _LT_LANG_F77_CONFIG([TAG])
-# --------------------------
-# Ensure that the configuration variables for a Fortran 77 compiler are
-# suitably defined. These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to `libtool'.
-m4_defun([_LT_LANG_F77_CONFIG],
-[AC_REQUIRE([_LT_PROG_F77])dnl
-AC_LANG_PUSH(Fortran 77)
-
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-_LT_TAGVAR(allow_undefined_flag, $1)=
-_LT_TAGVAR(always_export_symbols, $1)=no
-_LT_TAGVAR(archive_expsym_cmds, $1)=
-_LT_TAGVAR(export_dynamic_flag_spec, $1)=
-_LT_TAGVAR(hardcode_direct, $1)=no
-_LT_TAGVAR(hardcode_direct_absolute, $1)=no
-_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
-_LT_TAGVAR(hardcode_libdir_separator, $1)=
-_LT_TAGVAR(hardcode_minus_L, $1)=no
-_LT_TAGVAR(hardcode_automatic, $1)=no
-_LT_TAGVAR(inherit_rpath, $1)=no
-_LT_TAGVAR(module_cmds, $1)=
-_LT_TAGVAR(module_expsym_cmds, $1)=
-_LT_TAGVAR(link_all_deplibs, $1)=unknown
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-_LT_TAGVAR(no_undefined_flag, $1)=
-_LT_TAGVAR(whole_archive_flag_spec, $1)=
-_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
-
-# Source file extension for f77 test sources.
-ac_ext=f
-
-# Object file extension for compiled f77 test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# No sense in running all these tests if we already determined that
-# the F77 compiler isn't working. Some variables (like enable_shared)
-# are currently assumed to apply to all compilers on this platform,
-# and will be corrupted by setting them based on a non-working compiler.
-if test "$_lt_disable_F77" != yes; then
- # Code to be used in simple compile tests
- lt_simple_compile_test_code="\
- subroutine t
- return
- end
-"
-
- # Code to be used in simple link tests
- lt_simple_link_test_code="\
- program t
- end
-"
-
- # ltmain only uses $CC for tagged configurations so make sure $CC is set.
- _LT_TAG_COMPILER
-
- # save warnings/boilerplate of simple test code
- _LT_COMPILER_BOILERPLATE
- _LT_LINKER_BOILERPLATE
-
- # Allow CC to be a program name with arguments.
- lt_save_CC="$CC"
- lt_save_GCC=$GCC
- CC=${F77-"f77"}
- compiler=$CC
- _LT_TAGVAR(compiler, $1)=$CC
- _LT_CC_BASENAME([$compiler])
- GCC=$G77
- if test -n "$compiler"; then
- AC_MSG_CHECKING([if libtool supports shared libraries])
- AC_MSG_RESULT([$can_build_shared])
-
- AC_MSG_CHECKING([whether to build shared libraries])
- test "$can_build_shared" = "no" && enable_shared=no
-
- # On AIX, shared libraries and static libraries use the same namespace, and
- # are all built from PIC.
- case $host_os in
- aix3*)
- test "$enable_shared" = yes && enable_static=no
- if test -n "$RANLIB"; then
- archive_cmds="$archive_cmds~\$RANLIB \$lib"
- postinstall_cmds='$RANLIB $lib'
- fi
- ;;
- aix[[4-9]]*)
- if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
- test "$enable_shared" = yes && enable_static=no
- fi
- ;;
- esac
- AC_MSG_RESULT([$enable_shared])
-
- AC_MSG_CHECKING([whether to build static libraries])
- # Make sure either enable_shared or enable_static is yes.
- test "$enable_shared" = yes || enable_static=yes
- AC_MSG_RESULT([$enable_static])
-
- _LT_TAGVAR(GCC, $1)="$G77"
- _LT_TAGVAR(LD, $1)="$LD"
-
- ## CAVEAT EMPTOR:
- ## There is no encapsulation within the following macros, do not change
- ## the running order or otherwise move them around unless you know exactly
- ## what you are doing...
- _LT_COMPILER_PIC($1)
- _LT_COMPILER_C_O($1)
- _LT_COMPILER_FILE_LOCKS($1)
- _LT_LINKER_SHLIBS($1)
- _LT_SYS_DYNAMIC_LINKER($1)
- _LT_LINKER_HARDCODE_LIBPATH($1)
-
- _LT_CONFIG($1)
- fi # test -n "$compiler"
-
- GCC=$lt_save_GCC
- CC="$lt_save_CC"
-fi # test "$_lt_disable_F77" != yes
-
-AC_LANG_POP
-])# _LT_LANG_F77_CONFIG
-
-
-# _LT_PROG_FC
-# -----------
-# Since AC_PROG_FC is broken, in that it returns the empty string
-# if there is no fortran compiler, we have our own version here.
-m4_defun([_LT_PROG_FC],
-[
-pushdef([AC_MSG_ERROR], [_lt_disable_FC=yes])
-AC_PROG_FC
-if test -z "$FC" || test "X$FC" = "Xno"; then
- _lt_disable_FC=yes
-fi
-popdef([AC_MSG_ERROR])
-])# _LT_PROG_FC
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([_LT_PROG_FC], [])
-
-
-# _LT_LANG_FC_CONFIG([TAG])
-# -------------------------
-# Ensure that the configuration variables for a Fortran compiler are
-# suitably defined. These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to `libtool'.
-m4_defun([_LT_LANG_FC_CONFIG],
-[AC_REQUIRE([_LT_PROG_FC])dnl
-AC_LANG_PUSH(Fortran)
-
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-_LT_TAGVAR(allow_undefined_flag, $1)=
-_LT_TAGVAR(always_export_symbols, $1)=no
-_LT_TAGVAR(archive_expsym_cmds, $1)=
-_LT_TAGVAR(export_dynamic_flag_spec, $1)=
-_LT_TAGVAR(hardcode_direct, $1)=no
-_LT_TAGVAR(hardcode_direct_absolute, $1)=no
-_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
-_LT_TAGVAR(hardcode_libdir_separator, $1)=
-_LT_TAGVAR(hardcode_minus_L, $1)=no
-_LT_TAGVAR(hardcode_automatic, $1)=no
-_LT_TAGVAR(inherit_rpath, $1)=no
-_LT_TAGVAR(module_cmds, $1)=
-_LT_TAGVAR(module_expsym_cmds, $1)=
-_LT_TAGVAR(link_all_deplibs, $1)=unknown
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-_LT_TAGVAR(no_undefined_flag, $1)=
-_LT_TAGVAR(whole_archive_flag_spec, $1)=
-_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
-
-# Source file extension for fc test sources.
-ac_ext=${ac_fc_srcext-f}
-
-# Object file extension for compiled fc test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# No sense in running all these tests if we already determined that
-# the FC compiler isn't working. Some variables (like enable_shared)
-# are currently assumed to apply to all compilers on this platform,
-# and will be corrupted by setting them based on a non-working compiler.
-if test "$_lt_disable_FC" != yes; then
- # Code to be used in simple compile tests
- lt_simple_compile_test_code="\
- subroutine t
- return
- end
-"
-
- # Code to be used in simple link tests
- lt_simple_link_test_code="\
- program t
- end
-"
-
- # ltmain only uses $CC for tagged configurations so make sure $CC is set.
- _LT_TAG_COMPILER
-
- # save warnings/boilerplate of simple test code
- _LT_COMPILER_BOILERPLATE
- _LT_LINKER_BOILERPLATE
-
- # Allow CC to be a program name with arguments.
- lt_save_CC="$CC"
- lt_save_GCC=$GCC
- CC=${FC-"f95"}
- compiler=$CC
- GCC=$ac_cv_fc_compiler_gnu
-
- _LT_TAGVAR(compiler, $1)=$CC
- _LT_CC_BASENAME([$compiler])
-
- if test -n "$compiler"; then
- AC_MSG_CHECKING([if libtool supports shared libraries])
- AC_MSG_RESULT([$can_build_shared])
-
- AC_MSG_CHECKING([whether to build shared libraries])
- test "$can_build_shared" = "no" && enable_shared=no
-
- # On AIX, shared libraries and static libraries use the same namespace, and
- # are all built from PIC.
- case $host_os in
- aix3*)
- test "$enable_shared" = yes && enable_static=no
- if test -n "$RANLIB"; then
- archive_cmds="$archive_cmds~\$RANLIB \$lib"
- postinstall_cmds='$RANLIB $lib'
- fi
- ;;
- aix[[4-9]]*)
- if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
- test "$enable_shared" = yes && enable_static=no
- fi
- ;;
- esac
- AC_MSG_RESULT([$enable_shared])
-
- AC_MSG_CHECKING([whether to build static libraries])
- # Make sure either enable_shared or enable_static is yes.
- test "$enable_shared" = yes || enable_static=yes
- AC_MSG_RESULT([$enable_static])
-
- _LT_TAGVAR(GCC, $1)="$ac_cv_fc_compiler_gnu"
- _LT_TAGVAR(LD, $1)="$LD"
-
- ## CAVEAT EMPTOR:
- ## There is no encapsulation within the following macros, do not change
- ## the running order or otherwise move them around unless you know exactly
- ## what you are doing...
- _LT_SYS_HIDDEN_LIBDEPS($1)
- _LT_COMPILER_PIC($1)
- _LT_COMPILER_C_O($1)
- _LT_COMPILER_FILE_LOCKS($1)
- _LT_LINKER_SHLIBS($1)
- _LT_SYS_DYNAMIC_LINKER($1)
- _LT_LINKER_HARDCODE_LIBPATH($1)
-
- _LT_CONFIG($1)
- fi # test -n "$compiler"
-
- GCC=$lt_save_GCC
- CC="$lt_save_CC"
-fi # test "$_lt_disable_FC" != yes
-
-AC_LANG_POP
-])# _LT_LANG_FC_CONFIG
-
-
-# _LT_LANG_GCJ_CONFIG([TAG])
-# --------------------------
-# Ensure that the configuration variables for the GNU Java Compiler compiler
-# are suitably defined. These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to `libtool'.
-m4_defun([_LT_LANG_GCJ_CONFIG],
-[AC_REQUIRE([LT_PROG_GCJ])dnl
-AC_LANG_SAVE
-
-# Source file extension for Java test sources.
-ac_ext=java
-
-# Object file extension for compiled Java test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code="class foo {}"
-
-# Code to be used in simple link tests
-lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
-
-# ltmain only uses $CC for tagged configurations so make sure $CC is set.
-_LT_TAG_COMPILER
-
-# save warnings/boilerplate of simple test code
-_LT_COMPILER_BOILERPLATE
-_LT_LINKER_BOILERPLATE
-
-# Allow CC to be a program name with arguments.
-lt_save_CC="$CC"
-lt_save_GCC=$GCC
-GCC=yes
-CC=${GCJ-"gcj"}
-compiler=$CC
-_LT_TAGVAR(compiler, $1)=$CC
-_LT_TAGVAR(LD, $1)="$LD"
-_LT_CC_BASENAME([$compiler])
-
-# GCJ did not exist at the time GCC didn't implicitly link libc in.
-_LT_TAGVAR(archive_cmds_need_lc, $1)=no
-
-_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
-
-if test -n "$compiler"; then
- _LT_COMPILER_NO_RTTI($1)
- _LT_COMPILER_PIC($1)
- _LT_COMPILER_C_O($1)
- _LT_COMPILER_FILE_LOCKS($1)
- _LT_LINKER_SHLIBS($1)
- _LT_LINKER_HARDCODE_LIBPATH($1)
-
- _LT_CONFIG($1)
-fi
-
-AC_LANG_RESTORE
-
-GCC=$lt_save_GCC
-CC="$lt_save_CC"
-])# _LT_LANG_GCJ_CONFIG
-
-
-# _LT_LANG_RC_CONFIG([TAG])
-# -------------------------
-# Ensure that the configuration variables for the Windows resource compiler
-# are suitably defined. These variables are subsequently used by _LT_CONFIG
-# to write the compiler configuration to `libtool'.
-m4_defun([_LT_LANG_RC_CONFIG],
-[AC_REQUIRE([LT_PROG_RC])dnl
-AC_LANG_SAVE
-
-# Source file extension for RC test sources.
-ac_ext=rc
-
-# Object file extension for compiled RC test sources.
-objext=o
-_LT_TAGVAR(objext, $1)=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
-
-# Code to be used in simple link tests
-lt_simple_link_test_code="$lt_simple_compile_test_code"
-
-# ltmain only uses $CC for tagged configurations so make sure $CC is set.
-_LT_TAG_COMPILER
-
-# save warnings/boilerplate of simple test code
-_LT_COMPILER_BOILERPLATE
-_LT_LINKER_BOILERPLATE
-
-# Allow CC to be a program name with arguments.
-lt_save_CC="$CC"
-lt_save_GCC=$GCC
-GCC=
-CC=${RC-"windres"}
-compiler=$CC
-_LT_TAGVAR(compiler, $1)=$CC
-_LT_CC_BASENAME([$compiler])
-_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
-
-if test -n "$compiler"; then
- :
- _LT_CONFIG($1)
-fi
-
-GCC=$lt_save_GCC
-AC_LANG_RESTORE
-CC="$lt_save_CC"
-])# _LT_LANG_RC_CONFIG
-
-
-# LT_PROG_GCJ
-# -----------
-AC_DEFUN([LT_PROG_GCJ],
-[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
- [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
- [AC_CHECK_TOOL(GCJ, gcj,)
- test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
- AC_SUBST(GCJFLAGS)])])[]dnl
-])
-
-# Old name:
-AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
-
-
-# LT_PROG_RC
-# ----------
-AC_DEFUN([LT_PROG_RC],
-[AC_CHECK_TOOL(RC, windres,)
-])
-
-# Old name:
-AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([LT_AC_PROG_RC], [])
-
-
-# _LT_DECL_EGREP
-# --------------
-# If we don't have a new enough Autoconf to choose the best grep
-# available, choose the one first in the user's PATH.
-m4_defun([_LT_DECL_EGREP],
-[AC_REQUIRE([AC_PROG_EGREP])dnl
-AC_REQUIRE([AC_PROG_FGREP])dnl
-test -z "$GREP" && GREP=grep
-_LT_DECL([], [GREP], [1], [A grep program that handles long lines])
-_LT_DECL([], [EGREP], [1], [An ERE matcher])
-_LT_DECL([], [FGREP], [1], [A literal string matcher])
-dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
-AC_SUBST([GREP])
-])
-
-
-# _LT_DECL_SED
-# ------------
-# Check for a fully-functional sed program, that truncates
-# as few characters as possible. Prefer GNU sed if found.
-m4_defun([_LT_DECL_SED],
-[AC_PROG_SED
-test -z "$SED" && SED=sed
-Xsed="$SED -e 1s/^X//"
-_LT_DECL([], [SED], [1], [A sed program that does not truncate output])
-_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"],
- [Sed that helps us avoid accidentally triggering echo(1) options like -n])
-])# _LT_DECL_SED
-
-m4_ifndef([AC_PROG_SED], [
-# NOTE: This macro has been submitted for inclusion into #
-# GNU Autoconf as AC_PROG_SED. When it is available in #
-# a released version of Autoconf we should remove this #
-# macro and use it instead. #
-
-m4_defun([AC_PROG_SED],
-[AC_MSG_CHECKING([for a sed that does not truncate output])
-AC_CACHE_VAL(lt_cv_path_SED,
-[# Loop through the user's path and test for sed and gsed.
-# Then use that list of sed's as ones to test for truncation.
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for lt_ac_prog in sed gsed; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then
- lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
- fi
- done
- done
-done
-IFS=$as_save_IFS
-lt_ac_max=0
-lt_ac_count=0
-# Add /usr/xpg4/bin/sed as it is typically found on Solaris
-# along with /bin/sed that truncates output.
-for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
- test ! -f $lt_ac_sed && continue
- cat /dev/null > conftest.in
- lt_ac_count=0
- echo $ECHO_N "0123456789$ECHO_C" >conftest.in
- # Check for GNU sed and select it if it is found.
- if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
- lt_cv_path_SED=$lt_ac_sed
- break
- fi
- while true; do
- cat conftest.in conftest.in >conftest.tmp
- mv conftest.tmp conftest.in
- cp conftest.in conftest.nl
- echo >>conftest.nl
- $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
- cmp -s conftest.out conftest.nl || break
- # 10000 chars as input seems more than enough
- test $lt_ac_count -gt 10 && break
- lt_ac_count=`expr $lt_ac_count + 1`
- if test $lt_ac_count -gt $lt_ac_max; then
- lt_ac_max=$lt_ac_count
- lt_cv_path_SED=$lt_ac_sed
- fi
- done
-done
-])
-SED=$lt_cv_path_SED
-AC_SUBST([SED])
-AC_MSG_RESULT([$SED])
-])#AC_PROG_SED
-])#m4_ifndef
-
-# Old name:
-AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([LT_AC_PROG_SED], [])
-
-
-# _LT_CHECK_SHELL_FEATURES
-# ------------------------
-# Find out whether the shell is Bourne or XSI compatible,
-# or has some other useful features.
-m4_defun([_LT_CHECK_SHELL_FEATURES],
-[AC_MSG_CHECKING([whether the shell understands some XSI constructs])
-# Try some XSI features
-xsi_shell=no
-( _lt_dummy="a/b/c"
- test "${_lt_dummy##*/},${_lt_dummy%/*},"${_lt_dummy%"$_lt_dummy"}, \
- = c,a/b,, \
- && eval 'test $(( 1 + 1 )) -eq 2 \
- && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
- && xsi_shell=yes
-AC_MSG_RESULT([$xsi_shell])
-_LT_CONFIG_LIBTOOL_INIT([xsi_shell='$xsi_shell'])
-
-AC_MSG_CHECKING([whether the shell understands "+="])
-lt_shell_append=no
-( foo=bar; set foo baz; eval "$[1]+=\$[2]" && test "$foo" = barbaz ) \
- >/dev/null 2>&1 \
- && lt_shell_append=yes
-AC_MSG_RESULT([$lt_shell_append])
-_LT_CONFIG_LIBTOOL_INIT([lt_shell_append='$lt_shell_append'])
-
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
- lt_unset=unset
-else
- lt_unset=false
-fi
-_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl
-
-# test EBCDIC or ASCII
-case `echo X|tr X '\101'` in
- A) # ASCII based system
- # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
- lt_SP2NL='tr \040 \012'
- lt_NL2SP='tr \015\012 \040\040'
- ;;
- *) # EBCDIC based system
- lt_SP2NL='tr \100 \n'
- lt_NL2SP='tr \r\n \100\100'
- ;;
-esac
-_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl
-_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl
-])# _LT_CHECK_SHELL_FEATURES
-
-
-# _LT_PROG_XSI_SHELLFNS
-# ---------------------
-# Bourne and XSI compatible variants of some useful shell functions.
-m4_defun([_LT_PROG_XSI_SHELLFNS],
-[case $xsi_shell in
- yes)
- cat << \_LT_EOF >> "$cfgfile"
-
-# func_dirname file append nondir_replacement
-# Compute the dirname of FILE. If nonempty, add APPEND to the result,
-# otherwise set result to NONDIR_REPLACEMENT.
-func_dirname ()
-{
- case ${1} in
- */*) func_dirname_result="${1%/*}${2}" ;;
- * ) func_dirname_result="${3}" ;;
- esac
-}
-
-# func_basename file
-func_basename ()
-{
- func_basename_result="${1##*/}"
-}
-
-# func_dirname_and_basename file append nondir_replacement
-# perform func_basename and func_dirname in a single function
-# call:
-# dirname: Compute the dirname of FILE. If nonempty,
-# add APPEND to the result, otherwise set result
-# to NONDIR_REPLACEMENT.
-# value returned in "$func_dirname_result"
-# basename: Compute filename of FILE.
-# value retuned in "$func_basename_result"
-# Implementation must be kept synchronized with func_dirname
-# and func_basename. For efficiency, we do not delegate to
-# those functions but instead duplicate the functionality here.
-func_dirname_and_basename ()
-{
- case ${1} in
- */*) func_dirname_result="${1%/*}${2}" ;;
- * ) func_dirname_result="${3}" ;;
- esac
- func_basename_result="${1##*/}"
-}
-
-# func_stripname prefix suffix name
-# strip PREFIX and SUFFIX off of NAME.
-# PREFIX and SUFFIX must not contain globbing or regex special
-# characters, hashes, percent signs, but SUFFIX may contain a leading
-# dot (in which case that matches only a dot).
-func_stripname ()
-{
- # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
- # positional parameters, so assign one to ordinary parameter first.
- func_stripname_result=${3}
- func_stripname_result=${func_stripname_result#"${1}"}
- func_stripname_result=${func_stripname_result%"${2}"}
-}
-
-# func_opt_split
-func_opt_split ()
-{
- func_opt_split_opt=${1%%=*}
- func_opt_split_arg=${1#*=}
-}
-
-# func_lo2o object
-func_lo2o ()
-{
- case ${1} in
- *.lo) func_lo2o_result=${1%.lo}.${objext} ;;
- *) func_lo2o_result=${1} ;;
- esac
-}
-
-# func_xform libobj-or-source
-func_xform ()
-{
- func_xform_result=${1%.*}.lo
-}
-
-# func_arith arithmetic-term...
-func_arith ()
-{
- func_arith_result=$(( $[*] ))
-}
-
-# func_len string
-# STRING may not start with a hyphen.
-func_len ()
-{
- func_len_result=${#1}
-}
-
-_LT_EOF
- ;;
- *) # Bourne compatible functions.
- cat << \_LT_EOF >> "$cfgfile"
-
-# func_dirname file append nondir_replacement
-# Compute the dirname of FILE. If nonempty, add APPEND to the result,
-# otherwise set result to NONDIR_REPLACEMENT.
-func_dirname ()
-{
- # Extract subdirectory from the argument.
- func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"`
- if test "X$func_dirname_result" = "X${1}"; then
- func_dirname_result="${3}"
- else
- func_dirname_result="$func_dirname_result${2}"
- fi
-}
-
-# func_basename file
-func_basename ()
-{
- func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"`
-}
-
-dnl func_dirname_and_basename
-dnl A portable version of this function is already defined in general.m4sh
-dnl so there is no need for it here.
-
-# func_stripname prefix suffix name
-# strip PREFIX and SUFFIX off of NAME.
-# PREFIX and SUFFIX must not contain globbing or regex special
-# characters, hashes, percent signs, but SUFFIX may contain a leading
-# dot (in which case that matches only a dot).
-# func_strip_suffix prefix name
-func_stripname ()
-{
- case ${2} in
- .*) func_stripname_result=`$ECHO "X${3}" \
- | $Xsed -e "s%^${1}%%" -e "s%\\\\${2}\$%%"`;;
- *) func_stripname_result=`$ECHO "X${3}" \
- | $Xsed -e "s%^${1}%%" -e "s%${2}\$%%"`;;
- esac
-}
-
-# sed scripts:
-my_sed_long_opt='1s/^\(-[[^=]]*\)=.*/\1/;q'
-my_sed_long_arg='1s/^-[[^=]]*=//'
-
-# func_opt_split
-func_opt_split ()
-{
- func_opt_split_opt=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_opt"`
- func_opt_split_arg=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_arg"`
-}
-
-# func_lo2o object
-func_lo2o ()
-{
- func_lo2o_result=`$ECHO "X${1}" | $Xsed -e "$lo2o"`
-}
-
-# func_xform libobj-or-source
-func_xform ()
-{
- func_xform_result=`$ECHO "X${1}" | $Xsed -e 's/\.[[^.]]*$/.lo/'`
-}
-
-# func_arith arithmetic-term...
-func_arith ()
-{
- func_arith_result=`expr "$[@]"`
-}
-
-# func_len string
-# STRING may not start with a hyphen.
-func_len ()
-{
- func_len_result=`expr "$[1]" : ".*" 2>/dev/null || echo $max_cmd_len`
-}
-
-_LT_EOF
-esac
-
-case $lt_shell_append in
- yes)
- cat << \_LT_EOF >> "$cfgfile"
-
-# func_append var value
-# Append VALUE to the end of shell variable VAR.
-func_append ()
-{
- eval "$[1]+=\$[2]"
-}
-_LT_EOF
- ;;
- *)
- cat << \_LT_EOF >> "$cfgfile"
-
-# func_append var value
-# Append VALUE to the end of shell variable VAR.
-func_append ()
-{
- eval "$[1]=\$$[1]\$[2]"
-}
-
-_LT_EOF
- ;;
- esac
-])
-
-# Helper functions for option handling. -*- Autoconf -*-
-#
-# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
-# Written by Gary V. Vaughan, 2004
-#
-# This file is free software; the Free Software Foundation gives
-# unlimited permission to copy and/or distribute it, with or without
-# modifications, as long as this notice is preserved.
-
-# serial 5 ltoptions.m4
-
-# This is to help aclocal find these macros, as it can't see m4_define.
-AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
-
-
-# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
-# ------------------------------------------
-m4_define([_LT_MANGLE_OPTION],
-[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
-
-
-# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
-# ---------------------------------------
-# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
-# matching handler defined, dispatch to it. Other OPTION-NAMEs are
-# saved as a flag.
-m4_define([_LT_SET_OPTION],
-[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
-m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
- _LT_MANGLE_DEFUN([$1], [$2]),
- [m4_warning([Unknown $1 option `$2'])])[]dnl
-])
-
-
-# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
-# ------------------------------------------------------------
-# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
-m4_define([_LT_IF_OPTION],
-[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
-
-
-# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
-# -------------------------------------------------------
-# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
-# are set.
-m4_define([_LT_UNLESS_OPTIONS],
-[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
- [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
- [m4_define([$0_found])])])[]dnl
-m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
-])[]dnl
-])
-
-
-# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
-# ----------------------------------------
-# OPTION-LIST is a space-separated list of Libtool options associated
-# with MACRO-NAME. If any OPTION has a matching handler declared with
-# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
-# the unknown option and exit.
-m4_defun([_LT_SET_OPTIONS],
-[# Set options
-m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
- [_LT_SET_OPTION([$1], _LT_Option)])
-
-m4_if([$1],[LT_INIT],[
- dnl
- dnl Simply set some default values (i.e off) if boolean options were not
- dnl specified:
- _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
- ])
- _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
- ])
- dnl
- dnl If no reference was made to various pairs of opposing options, then
- dnl we run the default mode handler for the pair. For example, if neither
- dnl `shared' nor `disable-shared' was passed, we enable building of shared
- dnl archives by default:
- _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
- _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
- _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
- _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
- [_LT_ENABLE_FAST_INSTALL])
- ])
-])# _LT_SET_OPTIONS
-
-
-
-# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
-# -----------------------------------------
-m4_define([_LT_MANGLE_DEFUN],
-[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
-
-
-# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
-# -----------------------------------------------
-m4_define([LT_OPTION_DEFINE],
-[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
-])# LT_OPTION_DEFINE
-
-
-# dlopen
-# ------
-LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
-])
-
-AU_DEFUN([AC_LIBTOOL_DLOPEN],
-[_LT_SET_OPTION([LT_INIT], [dlopen])
-AC_DIAGNOSE([obsolete],
-[$0: Remove this warning and the call to _LT_SET_OPTION when you
-put the `dlopen' option into LT_INIT's first parameter.])
-])
-
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
-
-
-# win32-dll
-# ---------
-# Declare package support for building win32 dll's.
-LT_OPTION_DEFINE([LT_INIT], [win32-dll],
-[enable_win32_dll=yes
-
-case $host in
-*-*-cygwin* | *-*-mingw* | *-*-pw32*)
- AC_CHECK_TOOL(AS, as, false)
- AC_CHECK_TOOL(DLLTOOL, dlltool, false)
- AC_CHECK_TOOL(OBJDUMP, objdump, false)
- ;;
-esac
-
-test -z "$AS" && AS=as
-_LT_DECL([], [AS], [0], [Assembler program])dnl
-
-test -z "$DLLTOOL" && DLLTOOL=dlltool
-_LT_DECL([], [DLLTOOL], [0], [DLL creation program])dnl
-
-test -z "$OBJDUMP" && OBJDUMP=objdump
-_LT_DECL([], [OBJDUMP], [0], [Object dumper program])dnl
-])# win32-dll
-
-AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-_LT_SET_OPTION([LT_INIT], [win32-dll])
-AC_DIAGNOSE([obsolete],
-[$0: Remove this warning and the call to _LT_SET_OPTION when you
-put the `win32-dll' option into LT_INIT's first parameter.])
-])
-
-dnl aclocal-1.4 backwards compatibility:
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- exit ;;
- *:z/VM:*:*)
- echo s390-ibm-zvmoe
- exit ;;
- *:OS400:*:*)
- echo powerpc-ibm-os400
- exit ;;
- arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
- echo arm-acorn-riscix${UNAME_RELEASE}
- exit ;;
- arm:riscos:*:*|arm:RISCOS:*:*)
- echo arm-unknown-riscos
- exit ;;
- SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
- echo hppa1.1-hitachi-hiuxmpp
- exit ;;
- Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
- # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
- if test "`(/bin/universe) 2>/dev/null`" = att ; then
- echo pyramid-pyramid-sysv3
- else
- echo pyramid-pyramid-bsd
- fi
- exit ;;
- NILE*:*:*:dcosx)
- echo pyramid-pyramid-svr4
- exit ;;
- DRS?6000:unix:4.0:6*)
- echo sparc-icl-nx6
- exit ;;
- DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
- case `/usr/bin/uname -p` in
- sparc) echo sparc-icl-nx7; exit ;;
- esac ;;
- sun4H:SunOS:5.*:*)
- echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit ;;
- sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
- echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit ;;
- i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
- echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit ;;
- sun4*:SunOS:6*:*)
- # According to config.sub, this is the proper way to canonicalize
- # SunOS6. Hard to guess exactly what SunOS6 will be like, but
- # it's likely to be more like Solaris than SunOS4.
- echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit ;;
- sun4*:SunOS:*:*)
- case "`/usr/bin/arch -k`" in
- Series*|S4*)
- UNAME_RELEASE=`uname -v`
- ;;
- esac
- # Japanese Language versions have a version number like `4.1.3-JL'.
- echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
- exit ;;
- sun3*:SunOS:*:*)
- echo m68k-sun-sunos${UNAME_RELEASE}
- exit ;;
- sun*:*:4.2BSD:*)
- UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
- test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
- case "`/bin/arch`" in
- sun3)
- echo m68k-sun-sunos${UNAME_RELEASE}
- ;;
- sun4)
- echo sparc-sun-sunos${UNAME_RELEASE}
- ;;
- esac
- exit ;;
- aushp:SunOS:*:*)
- echo sparc-auspex-sunos${UNAME_RELEASE}
- exit ;;
- # The situation for MiNT is a little confusing. The machine name
- # can be virtually everything (everything which is not
- # "atarist" or "atariste" at least should have a processor
- # > m68000). The system name ranges from "MiNT" over "FreeMiNT"
- # to the lowercase version "mint" (or "freemint"). Finally
- # the system name "TOS" denotes a system which is actually not
- # MiNT. But MiNT is downward compatible to TOS, so this should
- # be no problem.
- atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
- echo m68k-atari-mint${UNAME_RELEASE}
- exit ;;
- atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
- echo m68k-atari-mint${UNAME_RELEASE}
- exit ;;
- *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
- echo m68k-atari-mint${UNAME_RELEASE}
- exit ;;
- milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
- echo m68k-milan-mint${UNAME_RELEASE}
- exit ;;
- hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
- echo m68k-hades-mint${UNAME_RELEASE}
- exit ;;
- *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
- echo m68k-unknown-mint${UNAME_RELEASE}
- exit ;;
- m68k:machten:*:*)
- echo m68k-apple-machten${UNAME_RELEASE}
- exit ;;
- powerpc:machten:*:*)
- echo powerpc-apple-machten${UNAME_RELEASE}
- exit ;;
- RISC*:Mach:*:*)
- echo mips-dec-mach_bsd4.3
- exit ;;
- RISC*:ULTRIX:*:*)
- echo mips-dec-ultrix${UNAME_RELEASE}
- exit ;;
- VAX*:ULTRIX*:*:*)
- echo vax-dec-ultrix${UNAME_RELEASE}
- exit ;;
- 2020:CLIX:*:* | 2430:CLIX:*:*)
- echo clipper-intergraph-clix${UNAME_RELEASE}
- exit ;;
- mips:*:*:UMIPS | mips:*:*:RISCos)
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
-#ifdef __cplusplus
-#include <stdio.h> /* for printf() prototype */
- int main (int argc, char *argv[]) {
-#else
- int main (argc, argv) int argc; char *argv[]; {
-#endif
- #if defined (host_mips) && defined (MIPSEB)
- #if defined (SYSTYPE_SYSV)
- printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
- #endif
- #if defined (SYSTYPE_SVR4)
- printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
- #endif
- #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
- printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
- #endif
- #endif
- exit (-1);
- }
-EOF
- $CC_FOR_BUILD -o $dummy $dummy.c &&
- dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
- SYSTEM_NAME=`$dummy $dummyarg` &&
- { echo "$SYSTEM_NAME"; exit; }
- echo mips-mips-riscos${UNAME_RELEASE}
- exit ;;
- Motorola:PowerMAX_OS:*:*)
- echo powerpc-motorola-powermax
- exit ;;
- Motorola:*:4.3:PL8-*)
- echo powerpc-harris-powermax
- exit ;;
- Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
- echo powerpc-harris-powermax
- exit ;;
- Night_Hawk:Power_UNIX:*:*)
- echo powerpc-harris-powerunix
- exit ;;
- m88k:CX/UX:7*:*)
- echo m88k-harris-cxux7
- exit ;;
- m88k:*:4*:R4*)
- echo m88k-motorola-sysv4
- exit ;;
- m88k:*:3*:R3*)
- echo m88k-motorola-sysv3
- exit ;;
- AViiON:dgux:*:*)
- # DG/UX returns AViiON for all architectures
- UNAME_PROCESSOR=`/usr/bin/uname -p`
- if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
- then
- if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
- [ ${TARGET_BINARY_INTERFACE}x = x ]
- then
- echo m88k-dg-dgux${UNAME_RELEASE}
- else
- echo m88k-dg-dguxbcs${UNAME_RELEASE}
- fi
- else
- echo i586-dg-dgux${UNAME_RELEASE}
- fi
- exit ;;
- M88*:DolphinOS:*:*) # DolphinOS (SVR3)
- echo m88k-dolphin-sysv3
- exit ;;
- M88*:*:R3*:*)
- # Delta 88k system running SVR3
- echo m88k-motorola-sysv3
- exit ;;
- XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
- echo m88k-tektronix-sysv3
- exit ;;
- Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
- echo m68k-tektronix-bsd
- exit ;;
- *:IRIX*:*:*)
- echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
- exit ;;
- ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
- echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id
- exit ;; # Note that: echo "'`uname -s`'" gives 'AIX '
- i*86:AIX:*:*)
- echo i386-ibm-aix
- exit ;;
- ia64:AIX:*:*)
- if [ -x /usr/bin/oslevel ] ; then
- IBM_REV=`/usr/bin/oslevel`
- else
- IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
- fi
- echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
- exit ;;
- *:AIX:2:3)
- if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
- #include <sys/systemcfg.h>
-
- main()
- {
- if (!__power_pc())
- exit(1);
- puts("powerpc-ibm-aix3.2.5");
- exit(0);
- }
-EOF
- if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
- then
- echo "$SYSTEM_NAME"
- else
- echo rs6000-ibm-aix3.2.5
- fi
- elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
- echo rs6000-ibm-aix3.2.4
- else
- echo rs6000-ibm-aix3.2
- fi
- exit ;;
- *:AIX:*:[456])
- IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
- if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
- IBM_ARCH=rs6000
- else
- IBM_ARCH=powerpc
- fi
- if [ -x /usr/bin/oslevel ] ; then
- IBM_REV=`/usr/bin/oslevel`
- else
- IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
- fi
- echo ${IBM_ARCH}-ibm-aix${IBM_REV}
- exit ;;
- *:AIX:*:*)
- echo rs6000-ibm-aix
- exit ;;
- ibmrt:4.4BSD:*|romp-ibm:BSD:*)
- echo romp-ibm-bsd4.4
- exit ;;
- ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and
- echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to
- exit ;; # report: romp-ibm BSD 4.3
- *:BOSX:*:*)
- echo rs6000-bull-bosx
- exit ;;
- DPX/2?00:B.O.S.:*:*)
- echo m68k-bull-sysv3
- exit ;;
- 9000/[34]??:4.3bsd:1.*:*)
- echo m68k-hp-bsd
- exit ;;
- hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
- echo m68k-hp-bsd4.4
- exit ;;
- 9000/[34678]??:HP-UX:*:*)
- HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
- case "${UNAME_MACHINE}" in
- 9000/31? ) HP_ARCH=m68000 ;;
- 9000/[34]?? ) HP_ARCH=m68k ;;
- 9000/[678][0-9][0-9])
- if [ -x /usr/bin/getconf ]; then
- sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
- sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
- case "${sc_cpu_version}" in
- 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
- 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
- 532) # CPU_PA_RISC2_0
- case "${sc_kernel_bits}" in
- 32) HP_ARCH="hppa2.0n" ;;
- 64) HP_ARCH="hppa2.0w" ;;
- '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20
- esac ;;
- esac
- fi
- if [ "${HP_ARCH}" = "" ]; then
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
-
- #define _HPUX_SOURCE
- #include <stdlib.h>
- #include <unistd.h>
-
- int main ()
- {
- #if defined(_SC_KERNEL_BITS)
- long bits = sysconf(_SC_KERNEL_BITS);
- #endif
- long cpu = sysconf (_SC_CPU_VERSION);
-
- switch (cpu)
- {
- case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
- case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
- case CPU_PA_RISC2_0:
- #if defined(_SC_KERNEL_BITS)
- switch (bits)
- {
- case 64: puts ("hppa2.0w"); break;
- case 32: puts ("hppa2.0n"); break;
- default: puts ("hppa2.0"); break;
- } break;
- #else /* !defined(_SC_KERNEL_BITS) */
- puts ("hppa2.0"); break;
- #endif
- default: puts ("hppa1.0"); break;
- }
- exit (0);
- }
-EOF
- (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
- test -z "$HP_ARCH" && HP_ARCH=hppa
- fi ;;
- esac
- if [ ${HP_ARCH} = "hppa2.0w" ]
- then
- eval $set_cc_for_build
-
- # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
- # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler
- # generating 64-bit code. GNU and HP use different nomenclature:
- #
- # $ CC_FOR_BUILD=cc ./config.guess
- # => hppa2.0w-hp-hpux11.23
- # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
- # => hppa64-hp-hpux11.23
-
- if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
- grep __LP64__ >/dev/null
- then
- HP_ARCH="hppa2.0w"
- else
- HP_ARCH="hppa64"
- fi
- fi
- echo ${HP_ARCH}-hp-hpux${HPUX_REV}
- exit ;;
- ia64:HP-UX:*:*)
- HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
- echo ia64-hp-hpux${HPUX_REV}
- exit ;;
- 3050*:HI-UX:*:*)
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
- #include <unistd.h>
- int
- main ()
- {
- long cpu = sysconf (_SC_CPU_VERSION);
- /* The order matters, because CPU_IS_HP_MC68K erroneously returns
- true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct
- results, however. */
- if (CPU_IS_PA_RISC (cpu))
- {
- switch (cpu)
- {
- case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
- case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
- case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
- default: puts ("hppa-hitachi-hiuxwe2"); break;
- }
- }
- else if (CPU_IS_HP_MC68K (cpu))
- puts ("m68k-hitachi-hiuxwe2");
- else puts ("unknown-hitachi-hiuxwe2");
- exit (0);
- }
-EOF
- $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
- { echo "$SYSTEM_NAME"; exit; }
- echo unknown-hitachi-hiuxwe2
- exit ;;
- 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
- echo hppa1.1-hp-bsd
- exit ;;
- 9000/8??:4.3bsd:*:*)
- echo hppa1.0-hp-bsd
- exit ;;
- *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
- echo hppa1.0-hp-mpeix
- exit ;;
- hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
- echo hppa1.1-hp-osf
- exit ;;
- hp8??:OSF1:*:*)
- echo hppa1.0-hp-osf
- exit ;;
- i*86:OSF1:*:*)
- if [ -x /usr/sbin/sysversion ] ; then
- echo ${UNAME_MACHINE}-unknown-osf1mk
- else
- echo ${UNAME_MACHINE}-unknown-osf1
- fi
- exit ;;
- parisc*:Lites*:*:*)
- echo hppa1.1-hp-lites
- exit ;;
- C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
- echo c1-convex-bsd
- exit ;;
- C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
- if getsysinfo -f scalar_acc
- then echo c32-convex-bsd
- else echo c2-convex-bsd
- fi
- exit ;;
- C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
- echo c34-convex-bsd
- exit ;;
- C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
- echo c38-convex-bsd
- exit ;;
- C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
- echo c4-convex-bsd
- exit ;;
- CRAY*Y-MP:*:*:*)
- echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit ;;
- CRAY*[A-Z]90:*:*:*)
- echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
- | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
- -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
- -e 's/\.[^.]*$/.X/'
- exit ;;
- CRAY*TS:*:*:*)
- echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit ;;
- CRAY*T3E:*:*:*)
- echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit ;;
- CRAY*SV1:*:*:*)
- echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit ;;
- *:UNICOS/mp:*:*)
- echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit ;;
- F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
- FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
- FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
- FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
- echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
- exit ;;
- 5000:UNIX_System_V:4.*:*)
- FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
- FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
- echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
- exit ;;
- i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
- echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
- exit ;;
- sparc*:BSD/OS:*:*)
- echo sparc-unknown-bsdi${UNAME_RELEASE}
- exit ;;
- *:BSD/OS:*:*)
- echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
- exit ;;
- *:FreeBSD:*:*)
- case ${UNAME_MACHINE} in
- pc98)
- echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
- amd64)
- echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
- *)
- echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
- esac
- exit ;;
- i*:CYGWIN*:*)
- echo ${UNAME_MACHINE}-pc-cygwin
- exit ;;
- *:MINGW*:*)
- echo ${UNAME_MACHINE}-pc-mingw32
- exit ;;
- i*:windows32*:*)
- # uname -m includes "-pc" on this system.
- echo ${UNAME_MACHINE}-mingw32
- exit ;;
- i*:PW*:*)
- echo ${UNAME_MACHINE}-pc-pw32
- exit ;;
- *:Interix*:[3456]*)
- case ${UNAME_MACHINE} in
- x86)
- echo i586-pc-interix${UNAME_RELEASE}
- exit ;;
- EM64T | authenticamd)
- echo x86_64-unknown-interix${UNAME_RELEASE}
- exit ;;
- IA64)
- echo ia64-unknown-interix${UNAME_RELEASE}
- exit ;;
- esac ;;
- [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
- echo i${UNAME_MACHINE}-pc-mks
- exit ;;
- i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
- # How do we know it's Interix rather than the generic POSIX subsystem?
- # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
- # UNAME_MACHINE based on the output of uname instead of i386?
- echo i586-pc-interix
- exit ;;
- i*:UWIN*:*)
- echo ${UNAME_MACHINE}-pc-uwin
- exit ;;
- amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
- echo x86_64-unknown-cygwin
- exit ;;
- p*:CYGWIN*:*)
- echo powerpcle-unknown-cygwin
- exit ;;
- prep*:SunOS:5.*:*)
- echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit ;;
- *:GNU:*:*)
- # the GNU system
- echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
- exit ;;
- *:GNU/*:*:*)
- # other systems with GNU libc and userland
- echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
- exit ;;
- i*86:Minix:*:*)
- echo ${UNAME_MACHINE}-pc-minix
- exit ;;
- arm*:Linux:*:*)
- eval $set_cc_for_build
- if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
- | grep -q __ARM_EABI__
- then
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- else
- echo ${UNAME_MACHINE}-unknown-linux-gnueabi
- fi
- exit ;;
- avr32*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit ;;
- cris:Linux:*:*)
- echo cris-axis-linux-gnu
- exit ;;
- crisv32:Linux:*:*)
- echo crisv32-axis-linux-gnu
- exit ;;
- frv:Linux:*:*)
- echo frv-unknown-linux-gnu
- exit ;;
- ia64:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit ;;
- m32r*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit ;;
- m68*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit ;;
- mips:Linux:*:*)
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
- #undef CPU
- #undef mips
- #undef mipsel
- #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
- CPU=mipsel
- #else
- #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
- CPU=mips
- #else
- CPU=
- #endif
- #endif
-EOF
- eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
- /^CPU/{
- s: ::g
- p
- }'`"
- test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
- ;;
- mips64:Linux:*:*)
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
- #undef CPU
- #undef mips64
- #undef mips64el
- #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
- CPU=mips64el
- #else
- #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
- CPU=mips64
- #else
- CPU=
- #endif
- #endif
-EOF
- eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
- /^CPU/{
- s: ::g
- p
- }'`"
- test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
- ;;
- or32:Linux:*:*)
- echo or32-unknown-linux-gnu
- exit ;;
- ppc:Linux:*:*)
- echo powerpc-unknown-linux-gnu
- exit ;;
- ppc64:Linux:*:*)
- echo powerpc64-unknown-linux-gnu
- exit ;;
- alpha:Linux:*:*)
- case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
- EV5) UNAME_MACHINE=alphaev5 ;;
- EV56) UNAME_MACHINE=alphaev56 ;;
- PCA56) UNAME_MACHINE=alphapca56 ;;
- PCA57) UNAME_MACHINE=alphapca56 ;;
- EV6) UNAME_MACHINE=alphaev6 ;;
- EV67) UNAME_MACHINE=alphaev67 ;;
- EV68*) UNAME_MACHINE=alphaev68 ;;
- esac
- objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
- if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
- echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
- exit ;;
- parisc:Linux:*:* | hppa:Linux:*:*)
- # Look for CPU level
- case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
- PA7*) echo hppa1.1-unknown-linux-gnu ;;
- PA8*) echo hppa2.0-unknown-linux-gnu ;;
- *) echo hppa-unknown-linux-gnu ;;
- esac
- exit ;;
- parisc64:Linux:*:* | hppa64:Linux:*:*)
- echo hppa64-unknown-linux-gnu
- exit ;;
- s390:Linux:*:* | s390x:Linux:*:*)
- echo ${UNAME_MACHINE}-ibm-linux
- exit ;;
- sh64*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit ;;
- sh*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit ;;
- sparc:Linux:*:* | sparc64:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit ;;
- vax:Linux:*:*)
- echo ${UNAME_MACHINE}-dec-linux-gnu
- exit ;;
- x86_64:Linux:*:*)
- echo x86_64-unknown-linux-gnu
- exit ;;
- xtensa*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit ;;
- i*86:Linux:*:*)
- # The BFD linker knows what the default object file format is, so
- # first see if it will tell us. cd to the root directory to prevent
- # problems with other programs or directories called `ld' in the path.
- # Set LC_ALL=C to ensure ld outputs messages in English.
- ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \
- | sed -ne '/supported targets:/!d
- s/[ ][ ]*/ /g
- s/.*supported targets: *//
- s/ .*//
- p'`
- case "$ld_supported_targets" in
- elf32-i386)
- TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
- ;;
- a.out-i386-linux)
- echo "${UNAME_MACHINE}-pc-linux-gnuaout"
- exit ;;
- coff-i386)
- echo "${UNAME_MACHINE}-pc-linux-gnucoff"
- exit ;;
- "")
- # Either a pre-BFD a.out linker (linux-gnuoldld) or
- # one that does not give us useful --help.
- echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
- exit ;;
- esac
- # Determine whether the default compiler is a.out or elf
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
- #include <features.h>
- #ifdef __ELF__
- # ifdef __GLIBC__
- # if __GLIBC__ >= 2
- LIBC=gnu
- # else
- LIBC=gnulibc1
- # endif
- # else
- LIBC=gnulibc1
- # endif
- #else
- #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
- LIBC=gnu
- #else
- LIBC=gnuaout
- #endif
- #endif
- #ifdef __dietlibc__
- LIBC=dietlibc
- #endif
-EOF
- eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
- /^LIBC/{
- s: ::g
- p
- }'`"
- test x"${LIBC}" != x && {
- echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
- exit
- }
- test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; }
- ;;
- i*86:DYNIX/ptx:4*:*)
- # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
- # earlier versions are messed up and put the nodename in both
- # sysname and nodename.
- echo i386-sequent-sysv4
- exit ;;
- i*86:UNIX_SV:4.2MP:2.*)
- # Unixware is an offshoot of SVR4, but it has its own version
- # number series starting with 2...
- # I am not positive that other SVR4 systems won't match this,
- # I just have to hope. -- rms.
- # Use sysv4.2uw... so that sysv4* matches it.
- echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
- exit ;;
- i*86:OS/2:*:*)
- # If we were able to find `uname', then EMX Unix compatibility
- # is probably installed.
- echo ${UNAME_MACHINE}-pc-os2-emx
- exit ;;
- i*86:XTS-300:*:STOP)
- echo ${UNAME_MACHINE}-unknown-stop
- exit ;;
- i*86:atheos:*:*)
- echo ${UNAME_MACHINE}-unknown-atheos
- exit ;;
- i*86:syllable:*:*)
- echo ${UNAME_MACHINE}-pc-syllable
- exit ;;
- i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
- echo i386-unknown-lynxos${UNAME_RELEASE}
- exit ;;
- i*86:*DOS:*:*)
- echo ${UNAME_MACHINE}-pc-msdosdjgpp
- exit ;;
- i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
- UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
- if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
- echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
- else
- echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
- fi
- exit ;;
- i*86:*:5:[678]*)
- # UnixWare 7.x, OpenUNIX and OpenServer 6.
- case `/bin/uname -X | grep "^Machine"` in
- *486*) UNAME_MACHINE=i486 ;;
- *Pentium) UNAME_MACHINE=i586 ;;
- *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
- esac
- echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
- exit ;;
- i*86:*:3.2:*)
- if test -f /usr/options/cb.name; then
- UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
- echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
- elif /bin/uname -X 2>/dev/null >/dev/null ; then
- UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
- (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
- (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
- && UNAME_MACHINE=i586
- (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
- && UNAME_MACHINE=i686
- (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
- && UNAME_MACHINE=i686
- echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
- else
- echo ${UNAME_MACHINE}-pc-sysv32
- fi
- exit ;;
- pc:*:*:*)
- # Left here for compatibility:
- # uname -m prints for DJGPP always 'pc', but it prints nothing about
- # the processor, so we play safe by assuming i386.
- echo i386-pc-msdosdjgpp
- exit ;;
- Intel:Mach:3*:*)
- echo i386-pc-mach3
- exit ;;
- paragon:*:*:*)
- echo i860-intel-osf1
- exit ;;
- i860:*:4.*:*) # i860-SVR4
- if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
- echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
- else # Add other i860-SVR4 vendors below as they are discovered.
- echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4
- fi
- exit ;;
- mini*:CTIX:SYS*5:*)
- # "miniframe"
- echo m68010-convergent-sysv
- exit ;;
- mc68k:UNIX:SYSTEM5:3.51m)
- echo m68k-convergent-sysv
- exit ;;
- M680?0:D-NIX:5.3:*)
- echo m68k-diab-dnix
- exit ;;
- M68*:*:R3V[5678]*:*)
- test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
- 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
- OS_REL=''
- test -r /etc/.relid \
- && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
- /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
- && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
- /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
- && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
- 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
- /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
- && { echo i486-ncr-sysv4; exit; } ;;
- m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
- echo m68k-unknown-lynxos${UNAME_RELEASE}
- exit ;;
- mc68030:UNIX_System_V:4.*:*)
- echo m68k-atari-sysv4
- exit ;;
- TSUNAMI:LynxOS:2.*:*)
- echo sparc-unknown-lynxos${UNAME_RELEASE}
- exit ;;
- rs6000:LynxOS:2.*:*)
- echo rs6000-unknown-lynxos${UNAME_RELEASE}
- exit ;;
- PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
- echo powerpc-unknown-lynxos${UNAME_RELEASE}
- exit ;;
- SM[BE]S:UNIX_SV:*:*)
- echo mips-dde-sysv${UNAME_RELEASE}
- exit ;;
- RM*:ReliantUNIX-*:*:*)
- echo mips-sni-sysv4
- exit ;;
- RM*:SINIX-*:*:*)
- echo mips-sni-sysv4
- exit ;;
- *:SINIX-*:*:*)
- if uname -p 2>/dev/null >/dev/null ; then
- UNAME_MACHINE=`(uname -p) 2>/dev/null`
- echo ${UNAME_MACHINE}-sni-sysv4
- else
- echo ns32k-sni-sysv
- fi
- exit ;;
- PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
- # says <Richard.M.Bartel@ccMail.Census.GOV>
- echo i586-unisys-sysv4
- exit ;;
- *:UNIX_System_V:4*:FTX*)
- # From Gerald Hewes <hewes@openmarket.com>.
- # How about differentiating between stratus architectures? -djm
- echo hppa1.1-stratus-sysv4
- exit ;;
- *:*:*:FTX*)
- # From seanf@swdc.stratus.com.
- echo i860-stratus-sysv4
- exit ;;
- i*86:VOS:*:*)
- # From Paul.Green@stratus.com.
- echo ${UNAME_MACHINE}-stratus-vos
- exit ;;
- *:VOS:*:*)
- # From Paul.Green@stratus.com.
- echo hppa1.1-stratus-vos
- exit ;;
- mc68*:A/UX:*:*)
- echo m68k-apple-aux${UNAME_RELEASE}
- exit ;;
- news*:NEWS-OS:6*:*)
- echo mips-sony-newsos6
- exit ;;
- R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
- if [ -d /usr/nec ]; then
- echo mips-nec-sysv${UNAME_RELEASE}
- else
- echo mips-unknown-sysv${UNAME_RELEASE}
- fi
- exit ;;
- BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only.
- echo powerpc-be-beos
- exit ;;
- BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only.
- echo powerpc-apple-beos
- exit ;;
- BePC:BeOS:*:*) # BeOS running on Intel PC compatible.
- echo i586-pc-beos
- exit ;;
- SX-4:SUPER-UX:*:*)
- echo sx4-nec-superux${UNAME_RELEASE}
- exit ;;
- SX-5:SUPER-UX:*:*)
- echo sx5-nec-superux${UNAME_RELEASE}
- exit ;;
- SX-6:SUPER-UX:*:*)
- echo sx6-nec-superux${UNAME_RELEASE}
- exit ;;
- SX-7:SUPER-UX:*:*)
- echo sx7-nec-superux${UNAME_RELEASE}
- exit ;;
- SX-8:SUPER-UX:*:*)
- echo sx8-nec-superux${UNAME_RELEASE}
- exit ;;
- SX-8R:SUPER-UX:*:*)
- echo sx8r-nec-superux${UNAME_RELEASE}
- exit ;;
- Power*:Rhapsody:*:*)
- echo powerpc-apple-rhapsody${UNAME_RELEASE}
- exit ;;
- *:Rhapsody:*:*)
- echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
- exit ;;
- *:Darwin:*:*)
- UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
- case $UNAME_PROCESSOR in
- unknown) UNAME_PROCESSOR=powerpc ;;
- esac
- echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
- exit ;;
- *:procnto*:*:* | *:QNX:[0123456789]*:*)
- UNAME_PROCESSOR=`uname -p`
- if test "$UNAME_PROCESSOR" = "x86"; then
- UNAME_PROCESSOR=i386
- UNAME_MACHINE=pc
- fi
- echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
- exit ;;
- *:QNX:*:4*)
- echo i386-pc-qnx
- exit ;;
- NSE-?:NONSTOP_KERNEL:*:*)
- echo nse-tandem-nsk${UNAME_RELEASE}
- exit ;;
- NSR-?:NONSTOP_KERNEL:*:*)
- echo nsr-tandem-nsk${UNAME_RELEASE}
- exit ;;
- *:NonStop-UX:*:*)
- echo mips-compaq-nonstopux
- exit ;;
- BS2000:POSIX*:*:*)
- echo bs2000-siemens-sysv
- exit ;;
- DS/*:UNIX_System_V:*:*)
- echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
- exit ;;
- *:Plan9:*:*)
- # "uname -m" is not consistent, so use $cputype instead. 386
- # is converted to i386 for consistency with other x86
- # operating systems.
- if test "$cputype" = "386"; then
- UNAME_MACHINE=i386
- else
- UNAME_MACHINE="$cputype"
- fi
- echo ${UNAME_MACHINE}-unknown-plan9
- exit ;;
- *:TOPS-10:*:*)
- echo pdp10-unknown-tops10
- exit ;;
- *:TENEX:*:*)
- echo pdp10-unknown-tenex
- exit ;;
- KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
- echo pdp10-dec-tops20
- exit ;;
- XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
- echo pdp10-xkl-tops20
- exit ;;
- *:TOPS-20:*:*)
- echo pdp10-unknown-tops20
- exit ;;
- *:ITS:*:*)
- echo pdp10-unknown-its
- exit ;;
- SEI:*:*:SEIUX)
- echo mips-sei-seiux${UNAME_RELEASE}
- exit ;;
- *:DragonFly:*:*)
- echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
- exit ;;
- *:*VMS:*:*)
- UNAME_MACHINE=`(uname -p) 2>/dev/null`
- case "${UNAME_MACHINE}" in
- A*) echo alpha-dec-vms ; exit ;;
- I*) echo ia64-dec-vms ; exit ;;
- V*) echo vax-dec-vms ; exit ;;
- esac ;;
- *:XENIX:*:SysV)
- echo i386-pc-xenix
- exit ;;
- i*86:skyos:*:*)
- echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
- exit ;;
- i*86:rdos:*:*)
- echo ${UNAME_MACHINE}-pc-rdos
- exit ;;
-esac
-
-#echo '(No uname command or uname output not recognized.)' 1>&2
-#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
-
-eval $set_cc_for_build
-cat >$dummy.c <<EOF
-#ifdef _SEQUENT_
-# include <sys/types.h>
-# include <sys/utsname.h>
-#endif
-main ()
-{
-#if defined (sony)
-#if defined (MIPSEB)
- /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed,
- I don't know.... */
- printf ("mips-sony-bsd\n"); exit (0);
-#else
-#include <sys/param.h>
- printf ("m68k-sony-newsos%s\n",
-#ifdef NEWSOS4
- "4"
-#else
- ""
-#endif
- ); exit (0);
-#endif
-#endif
-
-#if defined (__arm) && defined (__acorn) && defined (__unix)
- printf ("arm-acorn-riscix\n"); exit (0);
-#endif
-
-#if defined (hp300) && !defined (hpux)
- printf ("m68k-hp-bsd\n"); exit (0);
-#endif
-
-#if defined (NeXT)
-#if !defined (__ARCHITECTURE__)
-#define __ARCHITECTURE__ "m68k"
-#endif
- int version;
- version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
- if (version < 4)
- printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
- else
- printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
- exit (0);
-#endif
-
-#if defined (MULTIMAX) || defined (n16)
-#if defined (UMAXV)
- printf ("ns32k-encore-sysv\n"); exit (0);
-#else
-#if defined (CMU)
- printf ("ns32k-encore-mach\n"); exit (0);
-#else
- printf ("ns32k-encore-bsd\n"); exit (0);
-#endif
-#endif
-#endif
-
-#if defined (__386BSD__)
- printf ("i386-pc-bsd\n"); exit (0);
-#endif
-
-#if defined (sequent)
-#if defined (i386)
- printf ("i386-sequent-dynix\n"); exit (0);
-#endif
-#if defined (ns32000)
- printf ("ns32k-sequent-dynix\n"); exit (0);
-#endif
-#endif
-
-#if defined (_SEQUENT_)
- struct utsname un;
-
- uname(&un);
-
- if (strncmp(un.version, "V2", 2) == 0) {
- printf ("i386-sequent-ptx2\n"); exit (0);
- }
- if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
- printf ("i386-sequent-ptx1\n"); exit (0);
- }
- printf ("i386-sequent-ptx\n"); exit (0);
-
-#endif
-
-#if defined (vax)
-# if !defined (ultrix)
-# include <sys/param.h>
-# if defined (BSD)
-# if BSD == 43
- printf ("vax-dec-bsd4.3\n"); exit (0);
-# else
-# if BSD == 199006
- printf ("vax-dec-bsd4.3reno\n"); exit (0);
-# else
- printf ("vax-dec-bsd\n"); exit (0);
-# endif
-# endif
-# else
- printf ("vax-dec-bsd\n"); exit (0);
-# endif
-# else
- printf ("vax-dec-ultrix\n"); exit (0);
-# endif
-#endif
-
-#if defined (alliant) && defined (i860)
- printf ("i860-alliant-bsd\n"); exit (0);
-#endif
-
- exit (1);
-}
-EOF
-
-$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
- { echo "$SYSTEM_NAME"; exit; }
-
-# Apollos put the system type in the environment.
-
-test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
-
-# Convex versions that predate uname can use getsysinfo(1)
-
-if [ -x /usr/convex/getsysinfo ]
-then
- case `getsysinfo -f cpu_type` in
- c1*)
- echo c1-convex-bsd
- exit ;;
- c2*)
- if getsysinfo -f scalar_acc
- then echo c32-convex-bsd
- else echo c2-convex-bsd
- fi
- exit ;;
- c34*)
- echo c34-convex-bsd
- exit ;;
- c38*)
- echo c38-convex-bsd
- exit ;;
- c4*)
- echo c4-convex-bsd
- exit ;;
- esac
-fi
-
-cat >&2 <<EOF
-$0: unable to guess system type
-
-This script, last modified $timestamp, has failed to recognize
-the operating system you are using. It is advised that you
-download the most up to date version of the config scripts from
-
- http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.guess
-and
- http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.sub
-
-If the version you run ($0) is already up to date, please
-send the following data and any information you think might be
-pertinent to <config-patches@gnu.org> in order to provide the needed
-information to handle your system.
-
-config.guess timestamp = $timestamp
-
-uname -m = `(uname -m) 2>/dev/null || echo unknown`
-uname -r = `(uname -r) 2>/dev/null || echo unknown`
-uname -s = `(uname -s) 2>/dev/null || echo unknown`
-uname -v = `(uname -v) 2>/dev/null || echo unknown`
-
-/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
-/bin/uname -X = `(/bin/uname -X) 2>/dev/null`
-
-hostinfo = `(hostinfo) 2>/dev/null`
-/bin/universe = `(/bin/universe) 2>/dev/null`
-/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null`
-/bin/arch = `(/bin/arch) 2>/dev/null`
-/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null`
-/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
-
-UNAME_MACHINE = ${UNAME_MACHINE}
-UNAME_RELEASE = ${UNAME_RELEASE}
-UNAME_SYSTEM = ${UNAME_SYSTEM}
-UNAME_VERSION = ${UNAME_VERSION}
-EOF
-
-exit 1
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "timestamp='"
-# time-stamp-format: "%:y-%02m-%02d"
-# time-stamp-end: "'"
-# End:
+++ /dev/null
-/* config.h.in. Generated from configure.ac by autoheader. */
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-#undef HAVE_DLFCN_H
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#undef HAVE_INTTYPES_H
-
-/* Define to 1 if you have the `m' library (-lm). */
-#undef HAVE_LIBM
-
-/* Define to 1 if you have the `z' library (-lz). */
-#undef HAVE_LIBZ
-
-/* Define to 1 if you have the <malloc.h> header file. */
-#undef HAVE_MALLOC_H
-
-/* Define to 1 if you have the <memory.h> header file. */
-#undef HAVE_MEMORY_H
-
-/* Define to 1 if you have the `memset' function. */
-#undef HAVE_MEMSET
-
-/* Define to 1 if you have the `pow' function. */
-#undef HAVE_POW
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#undef HAVE_STDINT_H
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#undef HAVE_STDLIB_H
-
-/* Define to 1 if you have the <strings.h> header file. */
-#undef HAVE_STRINGS_H
-
-/* Define to 1 if you have the <string.h> header file. */
-#undef HAVE_STRING_H
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#undef HAVE_SYS_STAT_H
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#undef HAVE_SYS_TYPES_H
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#undef HAVE_UNISTD_H
-
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
- */
-#undef LT_OBJDIR
-
-/* Name of package */
-#undef PACKAGE
-
-/* Define to the address where bug reports for this package should be sent. */
-#undef PACKAGE_BUGREPORT
-
-/* Define to the full name of this package. */
-#undef PACKAGE_NAME
-
-/* Define to the full name and version of this package. */
-#undef PACKAGE_STRING
-
-/* Define to the one symbol short name of this package. */
-#undef PACKAGE_TARNAME
-
-/* Define to the version of this package. */
-#undef PACKAGE_VERSION
-
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
-/* Define to 1 if your <sys/time.h> declares `struct tm'. */
-#undef TM_IN_SYS_TIME
-
-/* Version number of package */
-#undef VERSION
-
-/* Define to empty if `const' does not conform to ANSI C. */
-#undef const
-
-/* Define to `unsigned int' if <sys/types.h> does not define. */
-#undef size_t
+++ /dev/null
-#! /bin/sh
-# Configuration validation subroutine script.
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
-# Free Software Foundation, Inc.
-
-timestamp='2008-01-16'
-
-# This file is (in principle) common to ALL GNU software.
-# The presence of a machine in this file suggests that SOME GNU software
-# can handle that machine. It does not imply ALL GNU software can.
-#
-# This file is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
-# 02110-1301, USA.
-#
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-
-# Please send patches to <config-patches@gnu.org>. Submit a context
-# diff and a properly formatted ChangeLog entry.
-#
-# Configuration subroutine to validate and canonicalize a configuration type.
-# Supply the specified configuration type as an argument.
-# If it is invalid, we print an error message on stderr and exit with code 1.
-# Otherwise, we print the canonical config type on stdout and succeed.
-
-# This file is supposed to be the same for all GNU packages
-# and recognize all the CPU types, system types and aliases
-# that are meaningful with *any* GNU software.
-# Each package is responsible for reporting which valid configurations
-# it does not support. The user should be able to distinguish
-# a failure to support a valid configuration from a meaningless
-# configuration.
-
-# The goal of this file is to map all the various variations of a given
-# machine specification into a single specification in the form:
-# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
-# or in some cases, the newer four-part form:
-# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
-# It is wrong to echo any other type of specification.
-
-me=`echo "$0" | sed -e 's,.*/,,'`
-
-usage="\
-Usage: $0 [OPTION] CPU-MFR-OPSYS
- $0 [OPTION] ALIAS
-
-Canonicalize a configuration name.
-
-Operation modes:
- -h, --help print this help, then exit
- -t, --time-stamp print date of last modification, then exit
- -v, --version print version number, then exit
-
-Report bugs and patches to <config-patches@gnu.org>."
-
-version="\
-GNU config.sub ($timestamp)
-
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-
-This is free software; see the source for copying conditions. There is NO
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
-
-help="
-Try \`$me --help' for more information."
-
-# Parse command line
-while test $# -gt 0 ; do
- case $1 in
- --time-stamp | --time* | -t )
- echo "$timestamp" ; exit ;;
- --version | -v )
- echo "$version" ; exit ;;
- --help | --h* | -h )
- echo "$usage"; exit ;;
- -- ) # Stop option processing
- shift; break ;;
- - ) # Use stdin as input.
- break ;;
- -* )
- echo "$me: invalid option $1$help"
- exit 1 ;;
-
- *local*)
- # First pass through any local machine types.
- echo $1
- exit ;;
-
- * )
- break ;;
- esac
-done
-
-case $# in
- 0) echo "$me: missing argument$help" >&2
- exit 1;;
- 1) ;;
- *) echo "$me: too many arguments$help" >&2
- exit 1;;
-esac
-
-# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
-# Here we must recognize all the valid KERNEL-OS combinations.
-maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
-case $maybe_os in
- nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
- uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
- storm-chaos* | os2-emx* | rtmk-nova*)
- os=-$maybe_os
- basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
- ;;
- *)
- basic_machine=`echo $1 | sed 's/-[^-]*$//'`
- if [ $basic_machine != $1 ]
- then os=`echo $1 | sed 's/.*-/-/'`
- else os=; fi
- ;;
-esac
-
-### Let's recognize common machines as not being operating systems so
-### that things like config.sub decstation-3100 work. We also
-### recognize some manufacturers as not being operating systems, so we
-### can provide default operating systems below.
-case $os in
- -sun*os*)
- # Prevent following clause from handling this invalid input.
- ;;
- -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
- -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
- -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
- -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
- -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
- -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
- -apple | -axis | -knuth | -cray)
- os=
- basic_machine=$1
- ;;
- -sim | -cisco | -oki | -wec | -winbond)
- os=
- basic_machine=$1
- ;;
- -scout)
- ;;
- -wrs)
- os=-vxworks
- basic_machine=$1
- ;;
- -chorusos*)
- os=-chorusos
- basic_machine=$1
- ;;
- -chorusrdb)
- os=-chorusrdb
- basic_machine=$1
- ;;
- -hiux*)
- os=-hiuxwe2
- ;;
- -sco6)
- os=-sco5v6
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco5)
- os=-sco3.2v5
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco4)
- os=-sco3.2v4
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco3.2.[4-9]*)
- os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco3.2v[4-9]*)
- # Don't forget version if it is 3.2v4 or newer.
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco5v6*)
- # Don't forget version if it is 3.2v4 or newer.
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco*)
- os=-sco3.2v2
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -udk*)
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -isc)
- os=-isc2.2
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -clix*)
- basic_machine=clipper-intergraph
- ;;
- -isc*)
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -lynx*)
- os=-lynxos
- ;;
- -ptx*)
- basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
- ;;
- -windowsnt*)
- os=`echo $os | sed -e 's/windowsnt/winnt/'`
- ;;
- -psos*)
- os=-psos
- ;;
- -mint | -mint[0-9]*)
- basic_machine=m68k-atari
- os=-mint
- ;;
-esac
-
-# Decode aliases for certain CPU-COMPANY combinations.
-case $basic_machine in
- # Recognize the basic CPU types without company name.
- # Some are omitted here because they have special meanings below.
- 1750a | 580 \
- | a29k \
- | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
- | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
- | am33_2.0 \
- | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
- | bfin \
- | c4x | clipper \
- | d10v | d30v | dlx | dsp16xx \
- | fido | fr30 | frv \
- | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
- | i370 | i860 | i960 | ia64 \
- | ip2k | iq2000 \
- | m32c | m32r | m32rle | m68000 | m68k | m88k \
- | maxq | mb | microblaze | mcore | mep \
- | mips | mipsbe | mipseb | mipsel | mipsle \
- | mips16 \
- | mips64 | mips64el \
- | mips64vr | mips64vrel \
- | mips64orion | mips64orionel \
- | mips64vr4100 | mips64vr4100el \
- | mips64vr4300 | mips64vr4300el \
- | mips64vr5000 | mips64vr5000el \
- | mips64vr5900 | mips64vr5900el \
- | mipsisa32 | mipsisa32el \
- | mipsisa32r2 | mipsisa32r2el \
- | mipsisa64 | mipsisa64el \
- | mipsisa64r2 | mipsisa64r2el \
- | mipsisa64sb1 | mipsisa64sb1el \
- | mipsisa64sr71k | mipsisa64sr71kel \
- | mipstx39 | mipstx39el \
- | mn10200 | mn10300 \
- | mt \
- | msp430 \
- | nios | nios2 \
- | ns16k | ns32k \
- | or32 \
- | pdp10 | pdp11 | pj | pjl \
- | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
- | pyramid \
- | score \
- | sh | sh[1234] | sh[24]a | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
- | sh64 | sh64le \
- | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
- | sparcv8 | sparcv9 | sparcv9b | sparcv9v \
- | spu | strongarm \
- | tahoe | thumb | tic4x | tic80 | tron \
- | v850 | v850e \
- | we32k \
- | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
- | z8k)
- basic_machine=$basic_machine-unknown
- ;;
- m6811 | m68hc11 | m6812 | m68hc12)
- # Motorola 68HC11/12.
- basic_machine=$basic_machine-unknown
- os=-none
- ;;
- m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
- ;;
- ms1)
- basic_machine=mt-unknown
- ;;
-
- # We use `pc' rather than `unknown'
- # because (1) that's what they normally are, and
- # (2) the word "unknown" tends to confuse beginning users.
- i*86 | x86_64)
- basic_machine=$basic_machine-pc
- ;;
- # Object if more than one company name word.
- *-*-*)
- echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
- exit 1
- ;;
- # Recognize the basic CPU types with company name.
- 580-* \
- | a29k-* \
- | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
- | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
- | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
- | arm-* | armbe-* | armle-* | armeb-* | armv*-* \
- | avr-* | avr32-* \
- | bfin-* | bs2000-* \
- | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
- | clipper-* | craynv-* | cydra-* \
- | d10v-* | d30v-* | dlx-* \
- | elxsi-* \
- | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
- | h8300-* | h8500-* \
- | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
- | i*86-* | i860-* | i960-* | ia64-* \
- | ip2k-* | iq2000-* \
- | m32c-* | m32r-* | m32rle-* \
- | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
- | m88110-* | m88k-* | maxq-* | mcore-* \
- | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
- | mips16-* \
- | mips64-* | mips64el-* \
- | mips64vr-* | mips64vrel-* \
- | mips64orion-* | mips64orionel-* \
- | mips64vr4100-* | mips64vr4100el-* \
- | mips64vr4300-* | mips64vr4300el-* \
- | mips64vr5000-* | mips64vr5000el-* \
- | mips64vr5900-* | mips64vr5900el-* \
- | mipsisa32-* | mipsisa32el-* \
- | mipsisa32r2-* | mipsisa32r2el-* \
- | mipsisa64-* | mipsisa64el-* \
- | mipsisa64r2-* | mipsisa64r2el-* \
- | mipsisa64sb1-* | mipsisa64sb1el-* \
- | mipsisa64sr71k-* | mipsisa64sr71kel-* \
- | mipstx39-* | mipstx39el-* \
- | mmix-* \
- | mt-* \
- | msp430-* \
- | nios-* | nios2-* \
- | none-* | np1-* | ns16k-* | ns32k-* \
- | orion-* \
- | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
- | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
- | pyramid-* \
- | romp-* | rs6000-* \
- | sh-* | sh[1234]-* | sh[24]a-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
- | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
- | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
- | sparclite-* \
- | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \
- | tahoe-* | thumb-* \
- | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
- | tron-* \
- | v850-* | v850e-* | vax-* \
- | we32k-* \
- | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
- | xstormy16-* | xtensa*-* \
- | ymp-* \
- | z8k-*)
- ;;
- # Recognize the basic CPU types without company name, with glob match.
- xtensa*)
- basic_machine=$basic_machine-unknown
- ;;
- # Recognize the various machine names and aliases which stand
- # for a CPU type and a company and sometimes even an OS.
- 386bsd)
- basic_machine=i386-unknown
- os=-bsd
- ;;
- 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
- basic_machine=m68000-att
- ;;
- 3b*)
- basic_machine=we32k-att
- ;;
- a29khif)
- basic_machine=a29k-amd
- os=-udi
- ;;
- abacus)
- basic_machine=abacus-unknown
- ;;
- adobe68k)
- basic_machine=m68010-adobe
- os=-scout
- ;;
- alliant | fx80)
- basic_machine=fx80-alliant
- ;;
- altos | altos3068)
- basic_machine=m68k-altos
- ;;
- am29k)
- basic_machine=a29k-none
- os=-bsd
- ;;
- amd64)
- basic_machine=x86_64-pc
- ;;
- amd64-*)
- basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- amdahl)
- basic_machine=580-amdahl
- os=-sysv
- ;;
- amiga | amiga-*)
- basic_machine=m68k-unknown
- ;;
- amigaos | amigados)
- basic_machine=m68k-unknown
- os=-amigaos
- ;;
- amigaunix | amix)
- basic_machine=m68k-unknown
- os=-sysv4
- ;;
- apollo68)
- basic_machine=m68k-apollo
- os=-sysv
- ;;
- apollo68bsd)
- basic_machine=m68k-apollo
- os=-bsd
- ;;
- aux)
- basic_machine=m68k-apple
- os=-aux
- ;;
- balance)
- basic_machine=ns32k-sequent
- os=-dynix
- ;;
- blackfin)
- basic_machine=bfin-unknown
- os=-linux
- ;;
- blackfin-*)
- basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
- os=-linux
- ;;
- c90)
- basic_machine=c90-cray
- os=-unicos
- ;;
- convex-c1)
- basic_machine=c1-convex
- os=-bsd
- ;;
- convex-c2)
- basic_machine=c2-convex
- os=-bsd
- ;;
- convex-c32)
- basic_machine=c32-convex
- os=-bsd
- ;;
- convex-c34)
- basic_machine=c34-convex
- os=-bsd
- ;;
- convex-c38)
- basic_machine=c38-convex
- os=-bsd
- ;;
- cray | j90)
- basic_machine=j90-cray
- os=-unicos
- ;;
- craynv)
- basic_machine=craynv-cray
- os=-unicosmp
- ;;
- cr16)
- basic_machine=cr16-unknown
- os=-elf
- ;;
- crds | unos)
- basic_machine=m68k-crds
- ;;
- crisv32 | crisv32-* | etraxfs*)
- basic_machine=crisv32-axis
- ;;
- cris | cris-* | etrax*)
- basic_machine=cris-axis
- ;;
- crx)
- basic_machine=crx-unknown
- os=-elf
- ;;
- da30 | da30-*)
- basic_machine=m68k-da30
- ;;
- decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
- basic_machine=mips-dec
- ;;
- decsystem10* | dec10*)
- basic_machine=pdp10-dec
- os=-tops10
- ;;
- decsystem20* | dec20*)
- basic_machine=pdp10-dec
- os=-tops20
- ;;
- delta | 3300 | motorola-3300 | motorola-delta \
- | 3300-motorola | delta-motorola)
- basic_machine=m68k-motorola
- ;;
- delta88)
- basic_machine=m88k-motorola
- os=-sysv3
- ;;
- djgpp)
- basic_machine=i586-pc
- os=-msdosdjgpp
- ;;
- dpx20 | dpx20-*)
- basic_machine=rs6000-bull
- os=-bosx
- ;;
- dpx2* | dpx2*-bull)
- basic_machine=m68k-bull
- os=-sysv3
- ;;
- ebmon29k)
- basic_machine=a29k-amd
- os=-ebmon
- ;;
- elxsi)
- basic_machine=elxsi-elxsi
- os=-bsd
- ;;
- encore | umax | mmax)
- basic_machine=ns32k-encore
- ;;
- es1800 | OSE68k | ose68k | ose | OSE)
- basic_machine=m68k-ericsson
- os=-ose
- ;;
- fx2800)
- basic_machine=i860-alliant
- ;;
- genix)
- basic_machine=ns32k-ns
- ;;
- gmicro)
- basic_machine=tron-gmicro
- os=-sysv
- ;;
- go32)
- basic_machine=i386-pc
- os=-go32
- ;;
- h3050r* | hiux*)
- basic_machine=hppa1.1-hitachi
- os=-hiuxwe2
- ;;
- h8300hms)
- basic_machine=h8300-hitachi
- os=-hms
- ;;
- h8300xray)
- basic_machine=h8300-hitachi
- os=-xray
- ;;
- h8500hms)
- basic_machine=h8500-hitachi
- os=-hms
- ;;
- harris)
- basic_machine=m88k-harris
- os=-sysv3
- ;;
- hp300-*)
- basic_machine=m68k-hp
- ;;
- hp300bsd)
- basic_machine=m68k-hp
- os=-bsd
- ;;
- hp300hpux)
- basic_machine=m68k-hp
- os=-hpux
- ;;
- hp3k9[0-9][0-9] | hp9[0-9][0-9])
- basic_machine=hppa1.0-hp
- ;;
- hp9k2[0-9][0-9] | hp9k31[0-9])
- basic_machine=m68000-hp
- ;;
- hp9k3[2-9][0-9])
- basic_machine=m68k-hp
- ;;
- hp9k6[0-9][0-9] | hp6[0-9][0-9])
- basic_machine=hppa1.0-hp
- ;;
- hp9k7[0-79][0-9] | hp7[0-79][0-9])
- basic_machine=hppa1.1-hp
- ;;
- hp9k78[0-9] | hp78[0-9])
- # FIXME: really hppa2.0-hp
- basic_machine=hppa1.1-hp
- ;;
- hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
- # FIXME: really hppa2.0-hp
- basic_machine=hppa1.1-hp
- ;;
- hp9k8[0-9][13679] | hp8[0-9][13679])
- basic_machine=hppa1.1-hp
- ;;
- hp9k8[0-9][0-9] | hp8[0-9][0-9])
- basic_machine=hppa1.0-hp
- ;;
- hppa-next)
- os=-nextstep3
- ;;
- hppaosf)
- basic_machine=hppa1.1-hp
- os=-osf
- ;;
- hppro)
- basic_machine=hppa1.1-hp
- os=-proelf
- ;;
- i370-ibm* | ibm*)
- basic_machine=i370-ibm
- ;;
-# I'm not sure what "Sysv32" means. Should this be sysv3.2?
- i*86v32)
- basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
- os=-sysv32
- ;;
- i*86v4*)
- basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
- os=-sysv4
- ;;
- i*86v)
- basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
- os=-sysv
- ;;
- i*86sol2)
- basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
- os=-solaris2
- ;;
- i386mach)
- basic_machine=i386-mach
- os=-mach
- ;;
- i386-vsta | vsta)
- basic_machine=i386-unknown
- os=-vsta
- ;;
- iris | iris4d)
- basic_machine=mips-sgi
- case $os in
- -irix*)
- ;;
- *)
- os=-irix4
- ;;
- esac
- ;;
- isi68 | isi)
- basic_machine=m68k-isi
- os=-sysv
- ;;
- m68knommu)
- basic_machine=m68k-unknown
- os=-linux
- ;;
- m68knommu-*)
- basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
- os=-linux
- ;;
- m88k-omron*)
- basic_machine=m88k-omron
- ;;
- magnum | m3230)
- basic_machine=mips-mips
- os=-sysv
- ;;
- merlin)
- basic_machine=ns32k-utek
- os=-sysv
- ;;
- mingw32)
- basic_machine=i386-pc
- os=-mingw32
- ;;
- mingw32ce)
- basic_machine=arm-unknown
- os=-mingw32ce
- ;;
- miniframe)
- basic_machine=m68000-convergent
- ;;
- *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
- basic_machine=m68k-atari
- os=-mint
- ;;
- mips3*-*)
- basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
- ;;
- mips3*)
- basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
- ;;
- monitor)
- basic_machine=m68k-rom68k
- os=-coff
- ;;
- morphos)
- basic_machine=powerpc-unknown
- os=-morphos
- ;;
- msdos)
- basic_machine=i386-pc
- os=-msdos
- ;;
- ms1-*)
- basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
- ;;
- mvs)
- basic_machine=i370-ibm
- os=-mvs
- ;;
- ncr3000)
- basic_machine=i486-ncr
- os=-sysv4
- ;;
- netbsd386)
- basic_machine=i386-unknown
- os=-netbsd
- ;;
- netwinder)
- basic_machine=armv4l-rebel
- os=-linux
- ;;
- news | news700 | news800 | news900)
- basic_machine=m68k-sony
- os=-newsos
- ;;
- news1000)
- basic_machine=m68030-sony
- os=-newsos
- ;;
- news-3600 | risc-news)
- basic_machine=mips-sony
- os=-newsos
- ;;
- necv70)
- basic_machine=v70-nec
- os=-sysv
- ;;
- next | m*-next )
- basic_machine=m68k-next
- case $os in
- -nextstep* )
- ;;
- -ns2*)
- os=-nextstep2
- ;;
- *)
- os=-nextstep3
- ;;
- esac
- ;;
- nh3000)
- basic_machine=m68k-harris
- os=-cxux
- ;;
- nh[45]000)
- basic_machine=m88k-harris
- os=-cxux
- ;;
- nindy960)
- basic_machine=i960-intel
- os=-nindy
- ;;
- mon960)
- basic_machine=i960-intel
- os=-mon960
- ;;
- nonstopux)
- basic_machine=mips-compaq
- os=-nonstopux
- ;;
- np1)
- basic_machine=np1-gould
- ;;
- nsr-tandem)
- basic_machine=nsr-tandem
- ;;
- op50n-* | op60c-*)
- basic_machine=hppa1.1-oki
- os=-proelf
- ;;
- openrisc | openrisc-*)
- basic_machine=or32-unknown
- ;;
- os400)
- basic_machine=powerpc-ibm
- os=-os400
- ;;
- OSE68000 | ose68000)
- basic_machine=m68000-ericsson
- os=-ose
- ;;
- os68k)
- basic_machine=m68k-none
- os=-os68k
- ;;
- pa-hitachi)
- basic_machine=hppa1.1-hitachi
- os=-hiuxwe2
- ;;
- paragon)
- basic_machine=i860-intel
- os=-osf
- ;;
- parisc)
- basic_machine=hppa-unknown
- os=-linux
- ;;
- parisc-*)
- basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
- os=-linux
- ;;
- pbd)
- basic_machine=sparc-tti
- ;;
- pbb)
- basic_machine=m68k-tti
- ;;
- pc532 | pc532-*)
- basic_machine=ns32k-pc532
- ;;
- pc98)
- basic_machine=i386-pc
- ;;
- pc98-*)
- basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- pentium | p5 | k5 | k6 | nexgen | viac3)
- basic_machine=i586-pc
- ;;
- pentiumpro | p6 | 6x86 | athlon | athlon_*)
- basic_machine=i686-pc
- ;;
- pentiumii | pentium2 | pentiumiii | pentium3)
- basic_machine=i686-pc
- ;;
- pentium4)
- basic_machine=i786-pc
- ;;
- pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
- basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- pentiumpro-* | p6-* | 6x86-* | athlon-*)
- basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
- basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- pentium4-*)
- basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- pn)
- basic_machine=pn-gould
- ;;
- power) basic_machine=power-ibm
- ;;
- ppc) basic_machine=powerpc-unknown
- ;;
- ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- ppcle | powerpclittle | ppc-le | powerpc-little)
- basic_machine=powerpcle-unknown
- ;;
- ppcle-* | powerpclittle-*)
- basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- ppc64) basic_machine=powerpc64-unknown
- ;;
- ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- ppc64le | powerpc64little | ppc64-le | powerpc64-little)
- basic_machine=powerpc64le-unknown
- ;;
- ppc64le-* | powerpc64little-*)
- basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- ps2)
- basic_machine=i386-ibm
- ;;
- pw32)
- basic_machine=i586-unknown
- os=-pw32
- ;;
- rdos)
- basic_machine=i386-pc
- os=-rdos
- ;;
- rom68k)
- basic_machine=m68k-rom68k
- os=-coff
- ;;
- rm[46]00)
- basic_machine=mips-siemens
- ;;
- rtpc | rtpc-*)
- basic_machine=romp-ibm
- ;;
- s390 | s390-*)
- basic_machine=s390-ibm
- ;;
- s390x | s390x-*)
- basic_machine=s390x-ibm
- ;;
- sa29200)
- basic_machine=a29k-amd
- os=-udi
- ;;
- sb1)
- basic_machine=mipsisa64sb1-unknown
- ;;
- sb1el)
- basic_machine=mipsisa64sb1el-unknown
- ;;
- sde)
- basic_machine=mipsisa32-sde
- os=-elf
- ;;
- sei)
- basic_machine=mips-sei
- os=-seiux
- ;;
- sequent)
- basic_machine=i386-sequent
- ;;
- sh)
- basic_machine=sh-hitachi
- os=-hms
- ;;
- sh5el)
- basic_machine=sh5le-unknown
- ;;
- sh64)
- basic_machine=sh64-unknown
- ;;
- sparclite-wrs | simso-wrs)
- basic_machine=sparclite-wrs
- os=-vxworks
- ;;
- sps7)
- basic_machine=m68k-bull
- os=-sysv2
- ;;
- spur)
- basic_machine=spur-unknown
- ;;
- st2000)
- basic_machine=m68k-tandem
- ;;
- stratus)
- basic_machine=i860-stratus
- os=-sysv4
- ;;
- sun2)
- basic_machine=m68000-sun
- ;;
- sun2os3)
- basic_machine=m68000-sun
- os=-sunos3
- ;;
- sun2os4)
- basic_machine=m68000-sun
- os=-sunos4
- ;;
- sun3os3)
- basic_machine=m68k-sun
- os=-sunos3
- ;;
- sun3os4)
- basic_machine=m68k-sun
- os=-sunos4
- ;;
- sun4os3)
- basic_machine=sparc-sun
- os=-sunos3
- ;;
- sun4os4)
- basic_machine=sparc-sun
- os=-sunos4
- ;;
- sun4sol2)
- basic_machine=sparc-sun
- os=-solaris2
- ;;
- sun3 | sun3-*)
- basic_machine=m68k-sun
- ;;
- sun4)
- basic_machine=sparc-sun
- ;;
- sun386 | sun386i | roadrunner)
- basic_machine=i386-sun
- ;;
- sv1)
- basic_machine=sv1-cray
- os=-unicos
- ;;
- symmetry)
- basic_machine=i386-sequent
- os=-dynix
- ;;
- t3e)
- basic_machine=alphaev5-cray
- os=-unicos
- ;;
- t90)
- basic_machine=t90-cray
- os=-unicos
- ;;
- tic54x | c54x*)
- basic_machine=tic54x-unknown
- os=-coff
- ;;
- tic55x | c55x*)
- basic_machine=tic55x-unknown
- os=-coff
- ;;
- tic6x | c6x*)
- basic_machine=tic6x-unknown
- os=-coff
- ;;
- tile*)
- basic_machine=tile-unknown
- os=-linux-gnu
- ;;
- tx39)
- basic_machine=mipstx39-unknown
- ;;
- tx39el)
- basic_machine=mipstx39el-unknown
- ;;
- toad1)
- basic_machine=pdp10-xkl
- os=-tops20
- ;;
- tower | tower-32)
- basic_machine=m68k-ncr
- ;;
- tpf)
- basic_machine=s390x-ibm
- os=-tpf
- ;;
- udi29k)
- basic_machine=a29k-amd
- os=-udi
- ;;
- ultra3)
- basic_machine=a29k-nyu
- os=-sym1
- ;;
- v810 | necv810)
- basic_machine=v810-nec
- os=-none
- ;;
- vaxv)
- basic_machine=vax-dec
- os=-sysv
- ;;
- vms)
- basic_machine=vax-dec
- os=-vms
- ;;
- vpp*|vx|vx-*)
- basic_machine=f301-fujitsu
- ;;
- vxworks960)
- basic_machine=i960-wrs
- os=-vxworks
- ;;
- vxworks68)
- basic_machine=m68k-wrs
- os=-vxworks
- ;;
- vxworks29k)
- basic_machine=a29k-wrs
- os=-vxworks
- ;;
- w65*)
- basic_machine=w65-wdc
- os=-none
- ;;
- w89k-*)
- basic_machine=hppa1.1-winbond
- os=-proelf
- ;;
- xbox)
- basic_machine=i686-pc
- os=-mingw32
- ;;
- xps | xps100)
- basic_machine=xps100-honeywell
- ;;
- ymp)
- basic_machine=ymp-cray
- os=-unicos
- ;;
- z8k-*-coff)
- basic_machine=z8k-unknown
- os=-sim
- ;;
- none)
- basic_machine=none-none
- os=-none
- ;;
-
-# Here we handle the default manufacturer of certain CPU types. It is in
-# some cases the only manufacturer, in others, it is the most popular.
- w89k)
- basic_machine=hppa1.1-winbond
- ;;
- op50n)
- basic_machine=hppa1.1-oki
- ;;
- op60c)
- basic_machine=hppa1.1-oki
- ;;
- romp)
- basic_machine=romp-ibm
- ;;
- mmix)
- basic_machine=mmix-knuth
- ;;
- rs6000)
- basic_machine=rs6000-ibm
- ;;
- vax)
- basic_machine=vax-dec
- ;;
- pdp10)
- # there are many clones, so DEC is not a safe bet
- basic_machine=pdp10-unknown
- ;;
- pdp11)
- basic_machine=pdp11-dec
- ;;
- we32k)
- basic_machine=we32k-att
- ;;
- sh[1234] | sh[24]a | sh[34]eb | sh[1234]le | sh[23]ele)
- basic_machine=sh-unknown
- ;;
- sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
- basic_machine=sparc-sun
- ;;
- cydra)
- basic_machine=cydra-cydrome
- ;;
- orion)
- basic_machine=orion-highlevel
- ;;
- orion105)
- basic_machine=clipper-highlevel
- ;;
- mac | mpw | mac-mpw)
- basic_machine=m68k-apple
- ;;
- pmac | pmac-mpw)
- basic_machine=powerpc-apple
- ;;
- *-unknown)
- # Make sure to match an already-canonicalized machine name.
- ;;
- *)
- echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
- exit 1
- ;;
-esac
-
-# Here we canonicalize certain aliases for manufacturers.
-case $basic_machine in
- *-digital*)
- basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
- ;;
- *-commodore*)
- basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
- ;;
- *)
- ;;
-esac
-
-# Decode manufacturer-specific aliases for certain operating systems.
-
-if [ x"$os" != x"" ]
-then
-case $os in
- # First match some system type aliases
- # that might get confused with valid system types.
- # -solaris* is a basic system type, with this one exception.
- -solaris1 | -solaris1.*)
- os=`echo $os | sed -e 's|solaris1|sunos4|'`
- ;;
- -solaris)
- os=-solaris2
- ;;
- -svr4*)
- os=-sysv4
- ;;
- -unixware*)
- os=-sysv4.2uw
- ;;
- -gnu/linux*)
- os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
- ;;
- # First accept the basic system types.
- # The portable systems comes first.
- # Each alternative MUST END IN A *, to match a version number.
- # -sysv* is not here because it comes later, after sysvr4.
- -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
- | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
- | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
- | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
- | -aos* \
- | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
- | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
- | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
- | -openbsd* | -solidbsd* \
- | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
- | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
- | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
- | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
- | -chorusos* | -chorusrdb* \
- | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
- | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
- | -uxpv* | -beos* | -mpeix* | -udk* \
- | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
- | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
- | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
- | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
- | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
- | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
- | -skyos* | -haiku* | -rdos* | -toppers* | -drops*)
- # Remember, each alternative MUST END IN *, to match a version number.
- ;;
- -qnx*)
- case $basic_machine in
- x86-* | i*86-*)
- ;;
- *)
- os=-nto$os
- ;;
- esac
- ;;
- -nto-qnx*)
- ;;
- -nto*)
- os=`echo $os | sed -e 's|nto|nto-qnx|'`
- ;;
- -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
- | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
- | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
- ;;
- -mac*)
- os=`echo $os | sed -e 's|mac|macos|'`
- ;;
- -linux-dietlibc)
- os=-linux-dietlibc
- ;;
- -linux*)
- os=`echo $os | sed -e 's|linux|linux-gnu|'`
- ;;
- -sunos5*)
- os=`echo $os | sed -e 's|sunos5|solaris2|'`
- ;;
- -sunos6*)
- os=`echo $os | sed -e 's|sunos6|solaris3|'`
- ;;
- -opened*)
- os=-openedition
- ;;
- -os400*)
- os=-os400
- ;;
- -wince*)
- os=-wince
- ;;
- -osfrose*)
- os=-osfrose
- ;;
- -osf*)
- os=-osf
- ;;
- -utek*)
- os=-bsd
- ;;
- -dynix*)
- os=-bsd
- ;;
- -acis*)
- os=-aos
- ;;
- -atheos*)
- os=-atheos
- ;;
- -syllable*)
- os=-syllable
- ;;
- -386bsd)
- os=-bsd
- ;;
- -ctix* | -uts*)
- os=-sysv
- ;;
- -nova*)
- os=-rtmk-nova
- ;;
- -ns2 )
- os=-nextstep2
- ;;
- -nsk*)
- os=-nsk
- ;;
- # Preserve the version number of sinix5.
- -sinix5.*)
- os=`echo $os | sed -e 's|sinix|sysv|'`
- ;;
- -sinix*)
- os=-sysv4
- ;;
- -tpf*)
- os=-tpf
- ;;
- -triton*)
- os=-sysv3
- ;;
- -oss*)
- os=-sysv3
- ;;
- -svr4)
- os=-sysv4
- ;;
- -svr3)
- os=-sysv3
- ;;
- -sysvr4)
- os=-sysv4
- ;;
- # This must come after -sysvr4.
- -sysv*)
- ;;
- -ose*)
- os=-ose
- ;;
- -es1800*)
- os=-ose
- ;;
- -xenix)
- os=-xenix
- ;;
- -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
- os=-mint
- ;;
- -aros*)
- os=-aros
- ;;
- -kaos*)
- os=-kaos
- ;;
- -zvmoe)
- os=-zvmoe
- ;;
- -none)
- ;;
- *)
- # Get rid of the `-' at the beginning of $os.
- os=`echo $os | sed 's/[^-]*-//'`
- echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
- exit 1
- ;;
-esac
-else
-
-# Here we handle the default operating systems that come with various machines.
-# The value should be what the vendor currently ships out the door with their
-# machine or put another way, the most popular os provided with the machine.
-
-# Note that if you're going to try to match "-MANUFACTURER" here (say,
-# "-sun"), then you have to tell the case statement up towards the top
-# that MANUFACTURER isn't an operating system. Otherwise, code above
-# will signal an error saying that MANUFACTURER isn't an operating
-# system, and we'll never get to this point.
-
-case $basic_machine in
- score-*)
- os=-elf
- ;;
- spu-*)
- os=-elf
- ;;
- *-acorn)
- os=-riscix1.2
- ;;
- arm*-rebel)
- os=-linux
- ;;
- arm*-semi)
- os=-aout
- ;;
- c4x-* | tic4x-*)
- os=-coff
- ;;
- # This must come before the *-dec entry.
- pdp10-*)
- os=-tops20
- ;;
- pdp11-*)
- os=-none
- ;;
- *-dec | vax-*)
- os=-ultrix4.2
- ;;
- m68*-apollo)
- os=-domain
- ;;
- i386-sun)
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-
-
-
-
-exec 7<&0 </dev/null 6>&1
-
-# Name of the host.
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-#
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-
-# Identity of this package.
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-ac_unique_file="pngget.c"
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-{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
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- *)
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-
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-{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
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-{ $as_echo "$as_me:$LINENO: checking whether ln -s works" >&5
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-{ $as_echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
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-
-
-
-macro_version='2.2.3a'
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-
-
-
-
-
-
-
-
-
-
-
-
-
-ltmain="$ac_aux_dir/ltmain.sh"
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-{ $as_echo "$as_me:$LINENO: checking for BSD- or MS-compatible name lister (nm)" >&5
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-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
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-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
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-
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-
-
-
-
-
-{ $as_echo "$as_me:$LINENO: checking the name lister ($NM) interface" >&5
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- lt_cv_nm_interface="BSD nm"
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-{ $as_echo "$as_me:$LINENO: result: $lt_cv_nm_interface" >&5
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- i=0
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-
- gnu*)
- # Under GNU Hurd, this test is not required because there is
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-
- cygwin* | mingw*)
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-
- amigaos*)
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-
- netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
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- lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs
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- # And add a safety zone
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-
- interix*)
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-
- osf*)
- # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
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- sco3.2v5*)
- lt_cv_sys_max_cmd_len=102400
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- sysv5* | sco5v6* | sysv4.2uw2*)
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- lt_cv_sys_max_cmd_len=32768
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- ;;
- *)
- lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
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- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
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- else
- # Make teststring a little bigger before we do anything with it.
- # a 1K string should be a reasonable start.
- for i in 1 2 3 4 5 6 7 8 ; do
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- SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
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- while { test "X"`$SHELL $0 --fallback-echo "X$teststring$teststring" 2>/dev/null` \
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- i=`expr $i + 1`
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- # Only check the string length outside the loop.
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- teststring=
- # Add a significant safety factor because C++ compilers can tack on
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- fi
- ;;
- esac
-
-fi
-
-if test -n $lt_cv_sys_max_cmd_len ; then
- { $as_echo "$as_me:$LINENO: result: $lt_cv_sys_max_cmd_len" >&5
-$as_echo "$lt_cv_sys_max_cmd_len" >&6; }
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- { $as_echo "$as_me:$LINENO: result: none" >&5
-$as_echo "none" >&6; }
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-max_cmd_len=$lt_cv_sys_max_cmd_len
-
-
-
-
-
-
-: ${CP="cp -f"}
-: ${MV="mv -f"}
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-
-{ $as_echo "$as_me:$LINENO: checking whether the shell understands some XSI constructs" >&5
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-( _lt_dummy="a/b/c"
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- && xsi_shell=yes
-{ $as_echo "$as_me:$LINENO: result: $xsi_shell" >&5
-$as_echo "$xsi_shell" >&6; }
-
-
-{ $as_echo "$as_me:$LINENO: checking whether the shell understands \"+=\"" >&5
-$as_echo_n "checking whether the shell understands \"+=\"... " >&6; }
-lt_shell_append=no
-( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \
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- && lt_shell_append=yes
-{ $as_echo "$as_me:$LINENO: result: $lt_shell_append" >&5
-$as_echo "$lt_shell_append" >&6; }
-
-
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
- lt_unset=unset
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- lt_unset=false
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-
-
-
-
-
-# test EBCDIC or ASCII
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- A) # ASCII based system
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- lt_SP2NL='tr \040 \012'
- lt_NL2SP='tr \015\012 \040\040'
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- *) # EBCDIC based system
- lt_SP2NL='tr \100 \n'
- lt_NL2SP='tr \r\n \100\100'
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-esac
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:$LINENO: checking for $LD option to reload object files" >&5
-$as_echo_n "checking for $LD option to reload object files... " >&6; }
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-{ $as_echo "$as_me:$LINENO: result: $lt_cv_ld_reload_flag" >&5
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-
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:$LINENO: checking how to recognize dependent libraries" >&5
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- lt_cv_file_magic_cmd='$MAGIC_CMD'
-lt_cv_file_magic_test_file=
-lt_cv_deplibs_check_method='unknown'
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-# 'file_magic [[regex]]' -- check by looking for files in library path
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-case $host_os in
-aix[4-9]*)
- lt_cv_deplibs_check_method=pass_all
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-
-beos*)
- lt_cv_deplibs_check_method=pass_all
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-
-bsdi[45]*)
- lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
- lt_cv_file_magic_cmd='/usr/bin/file -L'
- lt_cv_file_magic_test_file=/shlib/libc.so
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-
-cygwin*)
- # func_win32_libid is a shell function defined in ltmain.sh
- lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
- lt_cv_file_magic_cmd='func_win32_libid'
- ;;
-
-mingw* | pw32*)
- # Base MSYS/MinGW do not provide the 'file' command needed by
- # func_win32_libid shell function, so use a weaker test based on 'objdump',
- # unless we find 'file', for example because we are cross-compiling.
- if ( file / ) >/dev/null 2>&1; then
- lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
- lt_cv_file_magic_cmd='func_win32_libid'
- else
- lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
- lt_cv_file_magic_cmd='$OBJDUMP -f'
- fi
- ;;
-
-darwin* | rhapsody*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-freebsd* | dragonfly*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
- case $host_cpu in
- i*86 )
- # Not sure whether the presence of OpenBSD here was a mistake.
- # Let's accept both of them until this is cleared up.
- lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
- lt_cv_file_magic_cmd=/usr/bin/file
- lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
- ;;
- esac
- else
- lt_cv_deplibs_check_method=pass_all
- fi
- ;;
-
-gnu*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-hpux10.20* | hpux11*)
- lt_cv_file_magic_cmd=/usr/bin/file
- case $host_cpu in
- ia64*)
- lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
- lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
- ;;
- hppa*64*)
- lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]'
- lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
- ;;
- *)
- lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
- lt_cv_file_magic_test_file=/usr/lib/libc.sl
- ;;
- esac
- ;;
-
-interix[3-9]*)
- # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$'
- ;;
-
-irix5* | irix6* | nonstopux*)
- case $LD in
- *-32|*"-32 ") libmagic=32-bit;;
- *-n32|*"-n32 ") libmagic=N32;;
- *-64|*"-64 ") libmagic=64-bit;;
- *) libmagic=never-match;;
- esac
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-# This must be Linux ELF.
-linux* | k*bsd*-gnu)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
- else
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$'
- fi
- ;;
-
-newos6*)
- lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
- lt_cv_file_magic_cmd=/usr/bin/file
- lt_cv_file_magic_test_file=/usr/lib/libnls.so
- ;;
-
-*nto* | *qnx*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-openbsd*)
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
- else
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
- fi
- ;;
-
-osf3* | osf4* | osf5*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-rdos*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-solaris*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-sysv4 | sysv4.3*)
- case $host_vendor in
- motorola)
- lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
- lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
- ;;
- ncr)
- lt_cv_deplibs_check_method=pass_all
- ;;
- sequent)
- lt_cv_file_magic_cmd='/bin/file'
- lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
- ;;
- sni)
- lt_cv_file_magic_cmd='/bin/file'
- lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib"
- lt_cv_file_magic_test_file=/lib/libc.so
- ;;
- siemens)
- lt_cv_deplibs_check_method=pass_all
- ;;
- pc)
- lt_cv_deplibs_check_method=pass_all
- ;;
- esac
- ;;
-
-tpf*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-esac
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_deplibs_check_method" >&5
-$as_echo "$lt_cv_deplibs_check_method" >&6; }
-file_magic_cmd=$lt_cv_file_magic_cmd
-deplibs_check_method=$lt_cv_deplibs_check_method
-test -z "$deplibs_check_method" && deplibs_check_method=unknown
-
-
-
-
-
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
-set dummy ${ac_tool_prefix}ar; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AR+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- if test -n "$AR"; then
- ac_cv_prog_AR="$AR" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_AR="${ac_tool_prefix}ar"
- $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-AR=$ac_cv_prog_AR
-if test -n "$AR"; then
- { $as_echo "$as_me:$LINENO: result: $AR" >&5
-$as_echo "$AR" >&6; }
-else
- { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_AR"; then
- ac_ct_AR=$AR
- # Extract the first word of "ar", so it can be a program name with args.
-set dummy ar; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_AR+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_AR"; then
- ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_ac_ct_AR="ar"
- $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_AR=$ac_cv_prog_ac_ct_AR
-if test -n "$ac_ct_AR"; then
- { $as_echo "$as_me:$LINENO: result: $ac_ct_AR" >&5
-$as_echo "$ac_ct_AR" >&6; }
-else
- { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_AR" = x; then
- AR="false"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet. If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet. If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-ac_tool_warned=yes ;;
-esac
- AR=$ac_ct_AR
- fi
-else
- AR="$ac_cv_prog_AR"
-fi
-
-test -z "$AR" && AR=ar
-test -z "$AR_FLAGS" && AR_FLAGS=cru
-
-
-
-
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
-set dummy ${ac_tool_prefix}strip; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_STRIP+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- if test -n "$STRIP"; then
- ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_STRIP="${ac_tool_prefix}strip"
- $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-STRIP=$ac_cv_prog_STRIP
-if test -n "$STRIP"; then
- { $as_echo "$as_me:$LINENO: result: $STRIP" >&5
-$as_echo "$STRIP" >&6; }
-else
- { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_STRIP"; then
- ac_ct_STRIP=$STRIP
- # Extract the first word of "strip", so it can be a program name with args.
-set dummy strip; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_STRIP"; then
- ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_ac_ct_STRIP="strip"
- $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
-if test -n "$ac_ct_STRIP"; then
- { $as_echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5
-$as_echo "$ac_ct_STRIP" >&6; }
-else
- { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_STRIP" = x; then
- STRIP=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet. If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet. If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-ac_tool_warned=yes ;;
-esac
- STRIP=$ac_ct_STRIP
- fi
-else
- STRIP="$ac_cv_prog_STRIP"
-fi
-
-test -z "$STRIP" && STRIP=:
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
-set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_RANLIB+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- if test -n "$RANLIB"; then
- ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
- $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-RANLIB=$ac_cv_prog_RANLIB
-if test -n "$RANLIB"; then
- { $as_echo "$as_me:$LINENO: result: $RANLIB" >&5
-$as_echo "$RANLIB" >&6; }
-else
- { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_RANLIB"; then
- ac_ct_RANLIB=$RANLIB
- # Extract the first word of "ranlib", so it can be a program name with args.
-set dummy ranlib; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_RANLIB"; then
- ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
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- $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
-if test -n "$ac_ct_RANLIB"; then
- { $as_echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
-$as_echo "$ac_ct_RANLIB" >&6; }
-else
- { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_RANLIB" = x; then
- RANLIB=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet. If you think this
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-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet. If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-ac_tool_warned=yes ;;
-esac
- RANLIB=$ac_ct_RANLIB
- fi
-else
- RANLIB="$ac_cv_prog_RANLIB"
-fi
-
-test -z "$RANLIB" && RANLIB=:
-
-
-
-
-
-
-# Determine commands to create old-style static archives.
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-old_postinstall_cmds='chmod 644 $oldlib'
-old_postuninstall_cmds=
-
-if test -n "$RANLIB"; then
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- old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
- ;;
- *)
- old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
- ;;
- esac
- old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
-
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
-
-# Allow CC to be a program name with arguments.
-compiler=$CC
-
-
-# Check for command to grab the raw symbol name followed by C symbol from nm.
-{ $as_echo "$as_me:$LINENO: checking command to parse $NM output from $compiler object" >&5
-$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; }
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-
-# These are sane defaults that work on at least a few old systems.
-# [They come from Ultrix. What could be older than Ultrix?!! ;)]
-
-# Character class describing NM global symbol codes.
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-
-# Regexp to match symbols that can be accessed directly from C.
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-
-# Define system-specific variables.
-case $host_os in
-aix*)
- symcode='[BCDT]'
- ;;
-cygwin* | mingw* | pw32*)
- symcode='[ABCDGISTW]'
- ;;
-hpux*)
- if test "$host_cpu" = ia64; then
- symcode='[ABCDEGRST]'
- fi
- ;;
-irix* | nonstopux*)
- symcode='[BCDEGRST]'
- ;;
-osf*)
- symcode='[BCDEGQRST]'
- ;;
-solaris*)
- symcode='[BDRT]'
- ;;
-sco3.2v5*)
- symcode='[DT]'
- ;;
-sysv4.2uw2*)
- symcode='[DT]'
- ;;
-sysv5* | sco5v6* | unixware* | OpenUNIX*)
- symcode='[ABDT]'
- ;;
-sysv4)
- symcode='[DFNSTU]'
- ;;
-esac
-
-# If we're using GNU nm, then use its standard symbol codes.
-case `$NM -V 2>&1` in
-*GNU* | *'with BFD'*)
- symcode='[ABCDGIRSTW]' ;;
-esac
-
-# Transform an extracted symbol line into a proper C declaration.
-# Some systems (esp. on ia64) link data and code symbols differently,
-# so use this general approach.
-lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
-
-# Transform an extracted symbol line into symbol name and symbol address
-lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'"
-lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'"
-
-# Handle CRLF in mingw tool chain
-opt_cr=
-case $build_os in
-mingw*)
- opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
- ;;
-esac
-
-# Try without a prefix underscore, then with it.
-for ac_symprfx in "" "_"; do
-
- # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
- symxfrm="\\1 $ac_symprfx\\2 \\2"
-
- # Write the raw and C identifiers.
- if test "$lt_cv_nm_interface" = "MS dumpbin"; then
- # Fake it for dumpbin and say T for any non-static function
- # and D for any global variable.
- # Also find C++ and __fastcall symbols from MSVC++,
- # which start with @ or ?.
- lt_cv_sys_global_symbol_pipe="$AWK '"\
-" {last_section=section; section=\$ 3};"\
-" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
-" \$ 0!~/External *\|/{next};"\
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- IFS="$lt_save_ifs"
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-
-
-
-
-
-
-
-
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- IFS="$lt_save_ifs"
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- esac
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- enable_static=yes
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-
-
-
-
-
-
-
-
-
-
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-
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-
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- enable_fast_install=yes
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-
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-
-
-
-
-
-
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-
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-
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-
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-
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-*** Warning: the command libtool uses to detect shared libraries,
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- # Note that $ac_compile itself does not contain backslashes and begins
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- # The option is referenced via a variable to avoid confusing sed.
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-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
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- :
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-
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-
-
-
-
-
-
- lt_prog_compiler_wl=
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-
-{ $as_echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
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- case $host_os in
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-
- amigaos*)
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- # see comment about AmigaOS4 .so support
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-
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- # PIC is the default for these OSes.
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-
- mingw* | cygwin* | pw32* | os2*)
- # This hack is so that the source file can tell whether it is being
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-
- darwin* | rhapsody*)
- # PIC is the default on this platform
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-
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- *)
- lt_prog_compiler_pic='-fPIC'
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-
- interix[3-9]*)
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-
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-
- *nto* | *qnx*)
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-
- sysv4*MP*)
- if test -d /usr/nec; then
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-
- *)
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- lt_prog_compiler_wl='-Wl,'
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-
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- # Portland Group compilers (*not* the Pentium gcc compiler,
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- ccc*)
- lt_prog_compiler_wl='-Wl,'
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- xl*)
- # IBM XL C 8.0/Fortran 10.1 on PPC
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-qpic'
- lt_prog_compiler_static='-qstaticlink'
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- *)
- case `$CC -V 2>&1 | sed 5q` in
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- # Sun C 5.9
- lt_prog_compiler_pic='-KPIC'
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- # Sun Fortran 8.3 passes all unrecognized flags to the linker
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-
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-
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-
- osf3* | osf4* | osf5*)
- lt_prog_compiler_wl='-Wl,'
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-
- rdos*)
- lt_prog_compiler_static='-non_shared'
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-
- solaris*)
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- lt_prog_compiler_wl='-Qoption ld ';;
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-
- sunos4*)
- lt_prog_compiler_wl='-Qoption ld '
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-
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-
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-
- sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
- lt_prog_compiler_wl='-Wl,'
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-
- unicos*)
- lt_prog_compiler_wl='-Wl,'
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- ;;
-
- uts4*)
- lt_prog_compiler_pic='-pic'
- lt_prog_compiler_static='-Bstatic'
- ;;
-
- *)
- lt_prog_compiler_can_build_shared=no
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-
-case $host_os in
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- lt_prog_compiler_pic=
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- *)
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-{ $as_echo "$as_me:$LINENO: result: $lt_prog_compiler_pic" >&5
-$as_echo "$lt_prog_compiler_pic" >&6; }
-
-
-
-
-
-
-#
-# Check to make sure the PIC flag actually works.
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-$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
-if test "${lt_cv_prog_compiler_pic_works+set}" = set; then
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- lt_cv_prog_compiler_pic_works=no
- ac_outfile=conftest.$ac_objext
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- lt_compiler_flag="$lt_prog_compiler_pic -DPIC"
- # Insert the option either (1) after the last *FLAGS variable, or
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- # Note that $ac_compile itself does not contain backslashes and begins
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- lt_compile=`echo "$ac_compile" | $SED \
- -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
- -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
- -e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:8020: $lt_compile\"" >&5)
- (eval "$lt_compile" 2>conftest.err)
- ac_status=$?
- cat conftest.err >&5
- echo "$as_me:8024: \$? = $ac_status" >&5
- if (exit $ac_status) && test -s "$ac_outfile"; then
- # The compiler can only warn and ignore the option if not recognized
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- $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
- $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
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- $RM conftest*
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works" >&5
-$as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
-
-if test x"$lt_cv_prog_compiler_pic_works" = xyes; then
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- *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
- esac
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- lt_prog_compiler_pic=
- lt_prog_compiler_can_build_shared=no
-fi
-
-fi
-
-
-
-
-
-
-#
-# Check to make sure the static flag actually works.
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-wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
-{ $as_echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
-$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
-if test "${lt_cv_prog_compiler_static_works+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- lt_cv_prog_compiler_static_works=no
- save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
- echo "$lt_simple_link_test_code" > conftest.$ac_ext
- if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
- # The linker can only warn and ignore the option if not recognized
- # So say no if there are warnings
- if test -s conftest.err; then
- # Append any errors to the config.log.
- cat conftest.err 1>&5
- $ECHO "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
- $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
- if diff conftest.exp conftest.er2 >/dev/null; then
- lt_cv_prog_compiler_static_works=yes
- fi
- else
- lt_cv_prog_compiler_static_works=yes
- fi
- fi
- $RM -r conftest*
- LDFLAGS="$save_LDFLAGS"
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works" >&5
-$as_echo "$lt_cv_prog_compiler_static_works" >&6; }
-
-if test x"$lt_cv_prog_compiler_static_works" = xyes; then
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-
-
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- # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
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- archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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- # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
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- hardcode_libdir_flag_spec='-L$libdir'
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- export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
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- if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
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- interix[3-9]*)
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- hardcode_shlibpath_var=no
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- export_dynamic_flag_spec='${wl}-E'
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- ;;
-
- gnu* | linux* | tpf* | k*bsd*-gnu)
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- whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
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- archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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- if test "x$supports_anon_versioning" = xyes; then
- archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
- cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
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- case $cc_basename in
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-*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
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- *)
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- if test "$ld_shlibs" = no; then
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- aix[4-9]*)
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- # If we're using GNU nm, then we don't want the "-C" option.
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- export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
- else
- export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
- fi
- aix_use_runtimelinking=no
-
- # Test if we are trying to use run time linking or normal
- # AIX style linking. If -brtl is somewhere in LDFLAGS, we
- # need to do runtime linking.
- case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
- for ld_flag in $LDFLAGS; do
- if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
- aix_use_runtimelinking=yes
- break
- fi
- done
- ;;
- esac
-
- exp_sym_flag='-bexport'
- no_entry_flag='-bnoentry'
- fi
-
- # When large executables or shared objects are built, AIX ld can
- # have problems creating the table of contents. If linking a library
- # or program results in "error TOC overflow" add -mminimal-toc to
- # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
- # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
-
- archive_cmds=''
- hardcode_direct=yes
- hardcode_direct_absolute=yes
- hardcode_libdir_separator=':'
- link_all_deplibs=yes
- file_list_spec='${wl}-f,'
-
- if test "$GCC" = yes; then
- case $host_os in aix4.[012]|aix4.[012].*)
- # We only want to do this on AIX 4.2 and lower, the check
- # below for broken collect2 doesn't work under 4.3+
- collect2name=`${CC} -print-prog-name=collect2`
- if test -f "$collect2name" &&
- strings "$collect2name" | $GREP resolve_lib_name >/dev/null
- then
- # We have reworked collect2
- :
- else
- # We have old collect2
- hardcode_direct=unsupported
- # It fails to find uninstalled libraries when the uninstalled
- # path is not listed in the libpath. Setting hardcode_minus_L
- # to unsupported forces relinking
- hardcode_minus_L=yes
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_libdir_separator=
- fi
- ;;
- esac
- shared_flag='-shared'
- if test "$aix_use_runtimelinking" = yes; then
- shared_flag="$shared_flag "'${wl}-G'
- fi
- else
- # not using gcc
- if test "$host_cpu" = ia64; then
- # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
- # chokes on -Wl,-G. The following line is correct:
- shared_flag='-G'
- else
- if test "$aix_use_runtimelinking" = yes; then
- shared_flag='${wl}-G'
- else
- shared_flag='${wl}-bM:SRE'
- fi
- fi
- fi
-
- # It seems that -bexpall does not export symbols beginning with
- # underscore (_), so it is better to generate a list of symbols to export.
- always_export_symbols=yes
- if test "$aix_use_runtimelinking" = yes; then
- # Warning - without using the other runtime loading flags (-brtl),
- # -berok will link without error, but may produce a broken library.
- allow_undefined_flag='-berok'
- # Determine the default libpath from the value encoded in an
- # empty executable.
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
-
-lt_aix_libpath_sed='
- /Import File Strings/,/^$/ {
- /^0/ {
- s/^0 *\(.*\)$/\1/
- p
- }
- }'
-aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-# Check for a 64-bit object if we didn't find anything.
-if test -z "$aix_libpath"; then
- aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-fi
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
-
- hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
- archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
- else
- if test "$host_cpu" = ia64; then
- hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
- allow_undefined_flag="-z nodefs"
- archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
- else
- # Determine the default libpath from the value encoded in an
- # empty executable.
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
-
-lt_aix_libpath_sed='
- /Import File Strings/,/^$/ {
- /^0/ {
- s/^0 *\(.*\)$/\1/
- p
- }
- }'
-aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-# Check for a 64-bit object if we didn't find anything.
-if test -z "$aix_libpath"; then
- aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-fi
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
-
- hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
- # Warning - without using the other run time loading flags,
- # -berok will link without error, but may produce a broken library.
- no_undefined_flag=' ${wl}-bernotok'
- allow_undefined_flag=' ${wl}-berok'
- # Exported symbols can be pulled into shared objects from archives
- whole_archive_flag_spec='$convenience'
- archive_cmds_need_lc=yes
- # This is similar to how AIX traditionally builds its shared libraries.
- archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
- fi
- fi
- ;;
-
- amigaos*)
- case $host_cpu in
- powerpc)
- # see comment about AmigaOS4 .so support
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- archive_expsym_cmds=''
- ;;
- m68k)
- archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_minus_L=yes
- ;;
- esac
- ;;
-
- bsdi[45]*)
- export_dynamic_flag_spec=-rdynamic
- ;;
-
- cygwin* | mingw* | pw32*)
- # When not using gcc, we currently assume that we are using
- # Microsoft Visual C++.
- # hardcode_libdir_flag_spec is actually meaningless, as there is
- # no search path for DLLs.
- hardcode_libdir_flag_spec=' '
- allow_undefined_flag=unsupported
- # Tell ltmain to make .lib files, not .a files.
- libext=lib
- # Tell ltmain to make .dll files, not .so files.
- shrext_cmds=".dll"
- # FIXME: Setting linknames here is a bad hack.
- archive_cmds='$CC -o $lib $libobjs $compiler_flags `$ECHO "X$deplibs" | $Xsed -e '\''s/ -lc$//'\''` -link -dll~linknames='
- # The linker will automatically build a .lib file if we build a DLL.
- old_archive_from_new_cmds='true'
- # FIXME: Should let the user specify the lib program.
- old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs'
- fix_srcfile_path='`cygpath -w "$srcfile"`'
- enable_shared_with_static_runtimes=yes
- ;;
-
- darwin* | rhapsody*)
-
-
- archive_cmds_need_lc=no
- hardcode_direct=no
- hardcode_automatic=yes
- hardcode_shlibpath_var=unsupported
- whole_archive_flag_spec=''
- link_all_deplibs=yes
- allow_undefined_flag="$_lt_dar_allow_undefined"
- if test "$GCC" = "yes"; then
- output_verbose_link_cmd=echo
- archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
- module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
- archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
- module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
-
- else
- ld_shlibs=no
- fi
-
- ;;
-
- dgux*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_shlibpath_var=no
- ;;
-
- freebsd1*)
- ld_shlibs=no
- ;;
-
- # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
- # support. Future versions do this automatically, but an explicit c++rt0.o
- # does not break anything, and helps significantly (at the cost of a little
- # extra space).
- freebsd2.2*)
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- # Unfortunately, older versions of FreeBSD 2 do not have this feature.
- freebsd2*)
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
- hardcode_direct=yes
- hardcode_minus_L=yes
- hardcode_shlibpath_var=no
- ;;
-
- # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
- freebsd* | dragonfly*)
- archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- hpux9*)
- if test "$GCC" = yes; then
- archive_cmds='$RM $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
- else
- archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
- fi
- hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
- hardcode_libdir_separator=:
- hardcode_direct=yes
-
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- hardcode_minus_L=yes
- export_dynamic_flag_spec='${wl}-E'
- ;;
-
- hpux10*)
- if test "$GCC" = yes -a "$with_gnu_ld" = no; then
- archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
- else
- archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
- fi
- if test "$with_gnu_ld" = no; then
- hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
- hardcode_libdir_flag_spec_ld='+b $libdir'
- hardcode_libdir_separator=:
- hardcode_direct=yes
- hardcode_direct_absolute=yes
- export_dynamic_flag_spec='${wl}-E'
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- hardcode_minus_L=yes
- fi
- ;;
-
- hpux11*)
- if test "$GCC" = yes -a "$with_gnu_ld" = no; then
- case $host_cpu in
- hppa*64*)
- archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- ia64*)
- archive_cmds='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- *)
- archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- esac
- else
- case $host_cpu in
- hppa*64*)
- archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- ia64*)
- archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- *)
- archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- esac
- fi
- if test "$with_gnu_ld" = no; then
- hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
- hardcode_libdir_separator=:
-
- case $host_cpu in
- hppa*64*|ia64*)
- hardcode_direct=no
- hardcode_shlibpath_var=no
- ;;
- *)
- hardcode_direct=yes
- hardcode_direct_absolute=yes
- export_dynamic_flag_spec='${wl}-E'
-
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- hardcode_minus_L=yes
- ;;
- esac
- fi
- ;;
-
- irix5* | irix6* | nonstopux*)
- if test "$GCC" = yes; then
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- # Try to use the -exported_symbol ld option, if it does not
- # work, assume that -exports_file does not work either and
- # implicitly export all symbols.
- save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
- cat >conftest.$ac_ext <<_ACEOF
-int foo(void) {}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
-
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
- LDFLAGS="$save_LDFLAGS"
- else
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
- archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
- fi
- archive_cmds_need_lc='no'
- hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
- hardcode_libdir_separator=:
- inherit_rpath=yes
- link_all_deplibs=yes
- ;;
-
- netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
- else
- archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
- fi
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- newsos6)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_direct=yes
- hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
- hardcode_libdir_separator=:
- hardcode_shlibpath_var=no
- ;;
-
- *nto* | *qnx*)
- ;;
-
- openbsd*)
- if test -f /usr/libexec/ld.so; then
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- hardcode_direct_absolute=yes
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
- archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
- hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
- export_dynamic_flag_spec='${wl}-E'
- else
- case $host_os in
- openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
- hardcode_libdir_flag_spec='-R$libdir'
- ;;
- *)
- archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
- hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
- ;;
- esac
- fi
- else
- ld_shlibs=no
- fi
- ;;
-
- os2*)
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_minus_L=yes
- allow_undefined_flag=unsupported
- archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
- old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
- ;;
-
- osf3*)
- if test "$GCC" = yes; then
- allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
- archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- else
- allow_undefined_flag=' -expect_unresolved \*'
- archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
- fi
- archive_cmds_need_lc='no'
- hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
- hardcode_libdir_separator=:
- ;;
-
- osf4* | osf5*) # as osf3* with the addition of -msym flag
- if test "$GCC" = yes; then
- allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
- archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
- hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
- else
- allow_undefined_flag=' -expect_unresolved \*'
- archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
- archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
- $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
-
- # Both c and cxx compiler support -rpath directly
- hardcode_libdir_flag_spec='-rpath $libdir'
- fi
- archive_cmds_need_lc='no'
- hardcode_libdir_separator=:
- ;;
-
- solaris*)
- no_undefined_flag=' -z defs'
- if test "$GCC" = yes; then
- wlarc='${wl}'
- archive_cmds='$CC -shared ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -shared ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
- else
- case `$CC -V 2>&1` in
- *"Compilers 5.0"*)
- wlarc=''
- archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
- archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
- ;;
- *)
- wlarc='${wl}'
- archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
- ;;
- esac
- fi
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_shlibpath_var=no
- case $host_os in
- solaris2.[0-5] | solaris2.[0-5].*) ;;
- *)
- # The compiler driver will combine and reorder linker options,
- # but understands `-z linker_flag'. GCC discards it without `$wl',
- # but is careful enough not to reorder.
- # Supported since Solaris 2.6 (maybe 2.5.1?)
- if test "$GCC" = yes; then
- whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
- else
- whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
- fi
- ;;
- esac
- link_all_deplibs=yes
- ;;
-
- sunos4*)
- if test "x$host_vendor" = xsequent; then
- # Use $CC to link under sequent, because it throws in some extra .o
- # files that make .init and .fini sections work.
- archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
- fi
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_direct=yes
- hardcode_minus_L=yes
- hardcode_shlibpath_var=no
- ;;
-
- sysv4)
- case $host_vendor in
- sni)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_direct=yes # is this really true???
- ;;
- siemens)
- ## LD is ld it makes a PLAMLIB
- ## CC just makes a GrossModule.
- archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
- reload_cmds='$CC -r -o $output$reload_objs'
- hardcode_direct=no
- ;;
- motorola)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_direct=no #Motorola manual says yes, but my tests say they lie
- ;;
- esac
- runpath_var='LD_RUN_PATH'
- hardcode_shlibpath_var=no
- ;;
-
- sysv4.3*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_shlibpath_var=no
- export_dynamic_flag_spec='-Bexport'
- ;;
-
- sysv4*MP*)
- if test -d /usr/nec; then
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_shlibpath_var=no
- runpath_var=LD_RUN_PATH
- hardcode_runpath_var=yes
- ld_shlibs=yes
- fi
- ;;
-
- sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
- no_undefined_flag='${wl}-z,text'
- archive_cmds_need_lc=no
- hardcode_shlibpath_var=no
- runpath_var='LD_RUN_PATH'
-
- if test "$GCC" = yes; then
- archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- fi
- ;;
-
- sysv5* | sco3.2v5* | sco5v6*)
- # Note: We can NOT use -z defs as we might desire, because we do not
- # link with -lc, and that would cause any symbols used from libc to
- # always be unresolved, which means just about no library would
- # ever link correctly. If we're not using GNU ld we use -z text
- # though, which does catch some bad symbols but isn't as heavy-handed
- # as -z defs.
- no_undefined_flag='${wl}-z,text'
- allow_undefined_flag='${wl}-z,nodefs'
- archive_cmds_need_lc=no
- hardcode_shlibpath_var=no
- hardcode_libdir_flag_spec='${wl}-R,$libdir'
- hardcode_libdir_separator=':'
- link_all_deplibs=yes
- export_dynamic_flag_spec='${wl}-Bexport'
- runpath_var='LD_RUN_PATH'
-
- if test "$GCC" = yes; then
- archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- fi
- ;;
-
- uts4*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_shlibpath_var=no
- ;;
-
- *)
- ld_shlibs=no
- ;;
- esac
-
- if test x$host_vendor = xsni; then
- case $host in
- sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
- export_dynamic_flag_spec='${wl}-Blargedynsym'
- ;;
- esac
- fi
- fi
-
-{ $as_echo "$as_me:$LINENO: result: $ld_shlibs" >&5
-$as_echo "$ld_shlibs" >&6; }
-test "$ld_shlibs" = no && can_build_shared=no
-
-with_gnu_ld=$with_gnu_ld
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-#
-# Do we need to explicitly link libc?
-#
-case "x$archive_cmds_need_lc" in
-x|xyes)
- # Assume -lc should be added
- archive_cmds_need_lc=yes
-
- if test "$enable_shared" = yes && test "$GCC" = yes; then
- case $archive_cmds in
- *'~'*)
- # FIXME: we may have to deal with multi-command sequences.
- ;;
- '$CC '*)
- # Test whether the compiler implicitly links with -lc since on some
- # systems, -lgcc has to come before -lc. If gcc already passes -lc
- # to ld, don't add -lc before -lgcc.
- { $as_echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
-$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
- $RM conftest*
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
- if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } 2>conftest.err; then
- soname=conftest
- lib=conftest
- libobjs=conftest.$ac_objext
- deplibs=
- wl=$lt_prog_compiler_wl
- pic_flag=$lt_prog_compiler_pic
- compiler_flags=-v
- linker_flags=-v
- verstring=
- output_objdir=.
- libname=conftest
- lt_save_allow_undefined_flag=$allow_undefined_flag
- allow_undefined_flag=
- if { (eval echo "$as_me:$LINENO: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\"") >&5
- (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
- ac_status=$?
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }
- then
- archive_cmds_need_lc=no
- else
- archive_cmds_need_lc=yes
- fi
- allow_undefined_flag=$lt_save_allow_undefined_flag
- else
- cat conftest.err 1>&5
- fi
- $RM conftest*
- { $as_echo "$as_me:$LINENO: result: $archive_cmds_need_lc" >&5
-$as_echo "$archive_cmds_need_lc" >&6; }
- ;;
- esac
- fi
- ;;
-esac
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
- { $as_echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
-$as_echo_n "checking dynamic linker characteristics... " >&6; }
-
-if test "$GCC" = yes; then
- case $host_os in
- darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
- *) lt_awk_arg="/^libraries:/" ;;
- esac
- lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"`
- if $ECHO "$lt_search_path_spec" | $GREP ';' >/dev/null ; then
- # if the path contains ";" then we assume it to be the separator
- # otherwise default to the standard path separator (i.e. ":") - it is
- # assumed that no part of a normal pathname contains ";" but that should
- # okay in the real world where ";" in dirpaths is itself problematic.
- lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED -e 's/;/ /g'`
- else
- lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
- fi
- # Ok, now we have the path, separated by spaces, we can step through it
- # and add multilib dir if necessary.
- lt_tmp_lt_search_path_spec=
- lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
- for lt_sys_path in $lt_search_path_spec; do
- if test -d "$lt_sys_path/$lt_multi_os_dir"; then
- lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
- else
- test -d "$lt_sys_path" && \
- lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
- fi
- done
- lt_search_path_spec=`$ECHO $lt_tmp_lt_search_path_spec | awk '
-BEGIN {RS=" "; FS="/|\n";} {
- lt_foo="";
- lt_count=0;
- for (lt_i = NF; lt_i > 0; lt_i--) {
- if ($lt_i != "" && $lt_i != ".") {
- if ($lt_i == "..") {
- lt_count++;
- } else {
- if (lt_count == 0) {
- lt_foo="/" $lt_i lt_foo;
- } else {
- lt_count--;
- }
- }
- }
- }
- if (lt_foo != "") { lt_freq[lt_foo]++; }
- if (lt_freq[lt_foo] == 1) { print lt_foo; }
-}'`
- sys_lib_search_path_spec=`$ECHO $lt_search_path_spec`
-else
- sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
-fi
-library_names_spec=
-libname_spec='lib$name'
-soname_spec=
-shrext_cmds=".so"
-postinstall_cmds=
-postuninstall_cmds=
-finish_cmds=
-finish_eval=
-shlibpath_var=
-shlibpath_overrides_runpath=unknown
-version_type=none
-dynamic_linker="$host_os ld.so"
-sys_lib_dlsearch_path_spec="/lib /usr/lib"
-need_lib_prefix=unknown
-hardcode_into_libs=no
-
-# when you set need_version to no, make sure it does not cause -set_version
-# flags to be left without arguments
-need_version=unknown
-
-case $host_os in
-aix3*)
- version_type=linux
- library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
- shlibpath_var=LIBPATH
-
- # AIX 3 has no versioning support, so we append a major version to the name.
- soname_spec='${libname}${release}${shared_ext}$major'
- ;;
-
-aix[4-9]*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- hardcode_into_libs=yes
- if test "$host_cpu" = ia64; then
- # AIX 5 supports IA64
- library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
- shlibpath_var=LD_LIBRARY_PATH
- else
- # With GCC up to 2.95.x, collect2 would create an import file
- # for dependence libraries. The import file would start with
- # the line `#! .'. This would cause the generated library to
- # depend on `.', always an invalid library. This was fixed in
- # development snapshots of GCC prior to 3.0.
- case $host_os in
- aix4 | aix4.[01] | aix4.[01].*)
- if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
- echo ' yes '
- echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
- :
- else
- can_build_shared=no
- fi
- ;;
- esac
- # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
- # soname into executable. Probably we can add versioning support to
- # collect2, so additional links can be useful in future.
- if test "$aix_use_runtimelinking" = yes; then
- # If using run time linking (on AIX 4.2 or later) use lib<name>.so
- # instead of lib<name>.a to let people know that these are not
- # typical AIX shared libraries.
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- else
- # We preserve .a as extension for shared libraries through AIX4.2
- # and later when we are not doing run time linking.
- library_names_spec='${libname}${release}.a $libname.a'
- soname_spec='${libname}${release}${shared_ext}$major'
- fi
- shlibpath_var=LIBPATH
- fi
- ;;
-
-amigaos*)
- case $host_cpu in
- powerpc)
- # Since July 2007 AmigaOS4 officially supports .so libraries.
- # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- ;;
- m68k)
- library_names_spec='$libname.ixlibrary $libname.a'
- # Create ${libname}_ixlibrary.a entries in /sys/libs.
- finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$ECHO "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
- ;;
- esac
- ;;
-
-beos*)
- library_names_spec='${libname}${shared_ext}'
- dynamic_linker="$host_os ld.so"
- shlibpath_var=LIBRARY_PATH
- ;;
-
-bsdi[45]*)
- version_type=linux
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
- sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
- # the default ld.so.conf also contains /usr/contrib/lib and
- # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
- # libtool to hard-code these into programs
- ;;
-
-cygwin* | mingw* | pw32*)
- version_type=windows
- shrext_cmds=".dll"
- need_version=no
- need_lib_prefix=no
-
- case $GCC,$host_os in
- yes,cygwin* | yes,mingw* | yes,pw32*)
- library_names_spec='$libname.dll.a'
- # DLL is installed to $(libdir)/../bin by postinstall_cmds
- postinstall_cmds='base_file=`basename \${file}`~
- dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
- dldir=$destdir/`dirname \$dlpath`~
- test -d \$dldir || mkdir -p \$dldir~
- $install_prog $dir/$dlname \$dldir/$dlname~
- chmod a+x \$dldir/$dlname~
- if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
- eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
- fi'
- postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
- dlpath=$dir/\$dldll~
- $RM \$dlpath'
- shlibpath_overrides_runpath=yes
-
- case $host_os in
- cygwin*)
- # Cygwin DLLs use 'cyg' prefix rather than 'lib'
- soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
- sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
- ;;
- mingw*)
- # MinGW DLLs use traditional 'lib' prefix
- soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
- sys_lib_search_path_spec=`$CC -print-search-dirs | $GREP "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
- if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
- # It is most probably a Windows format PATH printed by
- # mingw gcc, but we are running on Cygwin. Gcc prints its search
- # path with ; separators, and with drive letters. We can handle the
- # drive letters (cygwin fileutils understands them), so leave them,
- # especially as we might pass files found there to a mingw objdump,
- # which wouldn't understand a cygwinified path. Ahh.
- sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
- else
- sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
- fi
- ;;
- pw32*)
- # pw32 DLLs use 'pw' prefix rather than 'lib'
- library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
- ;;
- esac
- ;;
-
- *)
- library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
- ;;
- esac
- dynamic_linker='Win32 ld.exe'
- # FIXME: first we should search . and the directory the executable is in
- shlibpath_var=PATH
- ;;
-
-darwin* | rhapsody*)
- dynamic_linker="$host_os dyld"
- version_type=darwin
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
- soname_spec='${libname}${release}${major}$shared_ext'
- shlibpath_overrides_runpath=yes
- shlibpath_var=DYLD_LIBRARY_PATH
- shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
-
- sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"
- sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
- ;;
-
-dgux*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- ;;
-
-freebsd1*)
- dynamic_linker=no
- ;;
-
-freebsd* | dragonfly*)
- # DragonFly does not have aout. When/if they implement a new
- # versioning mechanism, adjust this.
- if test -x /usr/bin/objformat; then
- objformat=`/usr/bin/objformat`
- else
- case $host_os in
- freebsd[123]*) objformat=aout ;;
- *) objformat=elf ;;
- esac
- fi
- version_type=freebsd-$objformat
- case $version_type in
- freebsd-elf*)
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
- need_version=no
- need_lib_prefix=no
- ;;
- freebsd-*)
- library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
- need_version=yes
- ;;
- esac
- shlibpath_var=LD_LIBRARY_PATH
- case $host_os in
- freebsd2*)
- shlibpath_overrides_runpath=yes
- ;;
- freebsd3.[01]* | freebsdelf3.[01]*)
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
- freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
- freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
- *) # from 4.6 on, and DragonFly
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
- esac
- ;;
-
-gnu*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- hardcode_into_libs=yes
- ;;
-
-hpux9* | hpux10* | hpux11*)
- # Give a soname corresponding to the major version so that dld.sl refuses to
- # link against other versions.
- version_type=sunos
- need_lib_prefix=no
- need_version=no
- case $host_cpu in
- ia64*)
- shrext_cmds='.so'
- hardcode_into_libs=yes
- dynamic_linker="$host_os dld.so"
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- if test "X$HPUX_IA64_MODE" = X32; then
- sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
- else
- sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
- fi
- sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
- ;;
- hppa*64*)
- shrext_cmds='.sl'
- hardcode_into_libs=yes
- dynamic_linker="$host_os dld.sl"
- shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
- shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
- sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
- ;;
- *)
- shrext_cmds='.sl'
- dynamic_linker="$host_os dld.sl"
- shlibpath_var=SHLIB_PATH
- shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- ;;
- esac
- # HP-UX runs *really* slowly unless shared libraries are mode 555.
- postinstall_cmds='chmod 555 $lib'
- ;;
-
-interix[3-9]*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
-
-irix5* | irix6* | nonstopux*)
- case $host_os in
- nonstopux*) version_type=nonstopux ;;
- *)
- if test "$lt_cv_prog_gnu_ld" = yes; then
- version_type=linux
- else
- version_type=irix
- fi ;;
- esac
- need_lib_prefix=no
- need_version=no
- soname_spec='${libname}${release}${shared_ext}$major'
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
- case $host_os in
- irix5* | nonstopux*)
- libsuff= shlibsuff=
- ;;
- *)
- case $LD in # libtool.m4 will add one of these switches to LD
- *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
- libsuff= shlibsuff= libmagic=32-bit;;
- *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
- libsuff=32 shlibsuff=N32 libmagic=N32;;
- *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
- libsuff=64 shlibsuff=64 libmagic=64-bit;;
- *) libsuff= shlibsuff= libmagic=never-match;;
- esac
- ;;
- esac
- shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
- shlibpath_overrides_runpath=no
- sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
- sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
- hardcode_into_libs=yes
- ;;
-
-# No shared lib support for Linux oldld, aout, or coff.
-linux*oldld* | linux*aout* | linux*coff*)
- dynamic_linker=no
- ;;
-
-# This must be Linux ELF.
-linux* | k*bsd*-gnu)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- # Some binutils ld are patched to set DT_RUNPATH
- save_LDFLAGS=$LDFLAGS
- save_libdir=$libdir
- eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
- LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then
- shlibpath_overrides_runpath=yes
-fi
-
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
- LDFLAGS=$save_LDFLAGS
- libdir=$save_libdir
-
- # This implies no fast_install, which is unacceptable.
- # Some rework will be needed to allow for fast_install
- # before this can be enabled.
- hardcode_into_libs=yes
-
- # Append ld.so.conf contents to the search path
- if test -f /etc/ld.so.conf; then
- lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
- fi
-
- # We used to test for /lib/ld.so.1 and disable shared libraries on
- # powerpc, because MkLinux only supported shared libraries with the
- # GNU dynamic linker. Since this was broken with cross compilers,
- # most powerpc-linux boxes support dynamic linking these days and
- # people can always --disable-shared, the test was removed, and we
- # assume the GNU/Linux dynamic linker is in use.
- dynamic_linker='GNU/Linux ld.so'
- ;;
-
-netbsd*)
- version_type=sunos
- need_lib_prefix=no
- need_version=no
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
- dynamic_linker='NetBSD (a.out) ld.so'
- else
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- dynamic_linker='NetBSD ld.elf_so'
- fi
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
-
-newsos6)
- version_type=linux
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- ;;
-
-*nto* | *qnx*)
- version_type=qnx
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- dynamic_linker='ldqnx.so'
- ;;
-
-openbsd*)
- version_type=sunos
- sys_lib_dlsearch_path_spec="/usr/lib"
- need_lib_prefix=no
- # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
- case $host_os in
- openbsd3.3 | openbsd3.3.*) need_version=yes ;;
- *) need_version=no ;;
- esac
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
- case $host_os in
- openbsd2.[89] | openbsd2.[89].*)
- shlibpath_overrides_runpath=no
- ;;
- *)
- shlibpath_overrides_runpath=yes
- ;;
- esac
- else
- shlibpath_overrides_runpath=yes
- fi
- ;;
-
-os2*)
- libname_spec='$name'
- shrext_cmds=".dll"
- need_lib_prefix=no
- library_names_spec='$libname${shared_ext} $libname.a'
- dynamic_linker='OS/2 ld.exe'
- shlibpath_var=LIBPATH
- ;;
-
-osf3* | osf4* | osf5*)
- version_type=osf
- need_lib_prefix=no
- need_version=no
- soname_spec='${libname}${release}${shared_ext}$major'
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- shlibpath_var=LD_LIBRARY_PATH
- sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
- sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
- ;;
-
-rdos*)
- dynamic_linker=no
- ;;
-
-solaris*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- # ldd complains unless libraries are executable
- postinstall_cmds='chmod +x $lib'
- ;;
-
-sunos4*)
- version_type=sunos
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
- finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- if test "$with_gnu_ld" = yes; then
- need_lib_prefix=no
- fi
- need_version=yes
- ;;
-
-sysv4 | sysv4.3*)
- version_type=linux
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- case $host_vendor in
- sni)
- shlibpath_overrides_runpath=no
- need_lib_prefix=no
- runpath_var=LD_RUN_PATH
- ;;
- siemens)
- need_lib_prefix=no
- ;;
- motorola)
- need_lib_prefix=no
- need_version=no
- shlibpath_overrides_runpath=no
- sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
- ;;
- esac
- ;;
-
-sysv4*MP*)
- if test -d /usr/nec ;then
- version_type=linux
- library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
- soname_spec='$libname${shared_ext}.$major'
- shlibpath_var=LD_LIBRARY_PATH
- fi
- ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
- version_type=freebsd-elf
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- if test "$with_gnu_ld" = yes; then
- sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
- else
- sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
- case $host_os in
- sco3.2v5*)
- sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
- ;;
- esac
- fi
- sys_lib_dlsearch_path_spec='/usr/lib'
- ;;
-
-tpf*)
- # TPF is a cross-target only. Preferred cross-host = GNU/Linux.
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_name_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
-
-uts4*)
- version_type=linux
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- ;;
-
-*)
- dynamic_linker=no
- ;;
-esac
-{ $as_echo "$as_me:$LINENO: result: $dynamic_linker" >&5
-$as_echo "$dynamic_linker" >&6; }
-test "$dynamic_linker" = no && can_build_shared=no
-
-variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
-if test "$GCC" = yes; then
- variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
-fi
-
-if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
- sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
-fi
-if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
- sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- { $as_echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
-$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
-hardcode_action=
-if test -n "$hardcode_libdir_flag_spec" ||
- test -n "$runpath_var" ||
- test "X$hardcode_automatic" = "Xyes" ; then
-
- # We can hardcode non-existent directories.
- if test "$hardcode_direct" != no &&
- # If the only mechanism to avoid hardcoding is shlibpath_var, we
- # have to relink, otherwise we might link with an installed library
- # when we should be linking with a yet-to-be-installed one
- ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no &&
- test "$hardcode_minus_L" != no; then
- # Linking always hardcodes the temporary library directory.
- hardcode_action=relink
- else
- # We can link without hardcoding, and we can hardcode nonexisting dirs.
- hardcode_action=immediate
- fi
-else
- # We cannot hardcode anything, or else we can only hardcode existing
- # directories.
- hardcode_action=unsupported
-fi
-{ $as_echo "$as_me:$LINENO: result: $hardcode_action" >&5
-$as_echo "$hardcode_action" >&6; }
-
-if test "$hardcode_action" = relink ||
- test "$inherit_rpath" = yes; then
- # Fast installation is not supported
- enable_fast_install=no
-elif test "$shlibpath_overrides_runpath" = yes ||
- test "$enable_shared" = no; then
- # Fast installation is not necessary
- enable_fast_install=needless
-fi
-
-
-
-
-
-
- if test "x$enable_dlopen" != xyes; then
- enable_dlopen=unknown
- enable_dlopen_self=unknown
- enable_dlopen_self_static=unknown
-else
- lt_cv_dlopen=no
- lt_cv_dlopen_libs=
-
- case $host_os in
- beos*)
- lt_cv_dlopen="load_add_on"
- lt_cv_dlopen_libs=
- lt_cv_dlopen_self=yes
- ;;
-
- mingw* | pw32*)
- lt_cv_dlopen="LoadLibrary"
- lt_cv_dlopen_libs=
- ;;
-
- cygwin*)
- lt_cv_dlopen="dlopen"
- lt_cv_dlopen_libs=
- ;;
-
- darwin*)
- # if libdl is installed we need to link against it
- { $as_echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if test "${ac_cv_lib_dl_dlopen+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldl $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- ac_cv_lib_dl_dlopen=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_lib_dl_dlopen=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test $ac_cv_lib_dl_dlopen = yes; then
- lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
-else
-
- lt_cv_dlopen="dyld"
- lt_cv_dlopen_libs=
- lt_cv_dlopen_self=yes
-
-fi
-
- ;;
-
- *)
- { $as_echo "$as_me:$LINENO: checking for shl_load" >&5
-$as_echo_n "checking for shl_load... " >&6; }
-if test "${ac_cv_func_shl_load+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-/* Define shl_load to an innocuous variant, in case <limits.h> declares shl_load.
- For example, HP-UX 11i <limits.h> declares gettimeofday. */
-#define shl_load innocuous_shl_load
-
-/* System header to define __stub macros and hopefully few prototypes,
- which can conflict with char shl_load (); below.
- Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
- <limits.h> exists even on freestanding compilers. */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef shl_load
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char shl_load ();
-/* The GNU C library defines this for functions which it implements
- to always fail with ENOSYS. Some functions are actually named
- something starting with __ and the normal name is an alias. */
-#if defined __stub_shl_load || defined __stub___shl_load
-choke me
-#endif
-
-int
-main ()
-{
-return shl_load ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- ac_cv_func_shl_load=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_func_shl_load=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_shl_load" >&5
-$as_echo "$ac_cv_func_shl_load" >&6; }
-if test $ac_cv_func_shl_load = yes; then
- lt_cv_dlopen="shl_load"
-else
- { $as_echo "$as_me:$LINENO: checking for shl_load in -ldld" >&5
-$as_echo_n "checking for shl_load in -ldld... " >&6; }
-if test "${ac_cv_lib_dld_shl_load+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldld $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char shl_load ();
-int
-main ()
-{
-return shl_load ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- ac_cv_lib_dld_shl_load=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_lib_dld_shl_load=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dld_shl_load" >&5
-$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test $ac_cv_lib_dld_shl_load = yes; then
- lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
-else
- { $as_echo "$as_me:$LINENO: checking for dlopen" >&5
-$as_echo_n "checking for dlopen... " >&6; }
-if test "${ac_cv_func_dlopen+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-/* Define dlopen to an innocuous variant, in case <limits.h> declares dlopen.
- For example, HP-UX 11i <limits.h> declares gettimeofday. */
-#define dlopen innocuous_dlopen
-
-/* System header to define __stub macros and hopefully few prototypes,
- which can conflict with char dlopen (); below.
- Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
- <limits.h> exists even on freestanding compilers. */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef dlopen
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-/* The GNU C library defines this for functions which it implements
- to always fail with ENOSYS. Some functions are actually named
- something starting with __ and the normal name is an alias. */
-#if defined __stub_dlopen || defined __stub___dlopen
-choke me
-#endif
-
-int
-main ()
-{
-return dlopen ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- ac_cv_func_dlopen=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_func_dlopen=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_dlopen" >&5
-$as_echo "$ac_cv_func_dlopen" >&6; }
-if test $ac_cv_func_dlopen = yes; then
- lt_cv_dlopen="dlopen"
-else
- { $as_echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if test "${ac_cv_lib_dl_dlopen+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldl $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- ac_cv_lib_dl_dlopen=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_lib_dl_dlopen=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test $ac_cv_lib_dl_dlopen = yes; then
- lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
-else
- { $as_echo "$as_me:$LINENO: checking for dlopen in -lsvld" >&5
-$as_echo_n "checking for dlopen in -lsvld... " >&6; }
-if test "${ac_cv_lib_svld_dlopen+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lsvld $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- ac_cv_lib_svld_dlopen=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_lib_svld_dlopen=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_svld_dlopen" >&5
-$as_echo "$ac_cv_lib_svld_dlopen" >&6; }
-if test $ac_cv_lib_svld_dlopen = yes; then
- lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"
-else
- { $as_echo "$as_me:$LINENO: checking for dld_link in -ldld" >&5
-$as_echo_n "checking for dld_link in -ldld... " >&6; }
-if test "${ac_cv_lib_dld_dld_link+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldld $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dld_link ();
-int
-main ()
-{
-return dld_link ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- $as_test_x conftest$ac_exeext
- }; then
- ac_cv_lib_dld_dld_link=yes
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_cv_lib_dld_dld_link=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dld_dld_link" >&5
-$as_echo "$ac_cv_lib_dld_dld_link" >&6; }
-if test $ac_cv_lib_dld_dld_link = yes; then
- lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
- ;;
- esac
-
- if test "x$lt_cv_dlopen" != xno; then
- enable_dlopen=yes
- else
- enable_dlopen=no
- fi
-
- case $lt_cv_dlopen in
- dlopen)
- save_CPPFLAGS="$CPPFLAGS"
- test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
-
- save_LDFLAGS="$LDFLAGS"
- wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
-
- save_LIBS="$LIBS"
- LIBS="$lt_cv_dlopen_libs $LIBS"
-
- { $as_echo "$as_me:$LINENO: checking whether a program can dlopen itself" >&5
-$as_echo_n "checking whether a program can dlopen itself... " >&6; }
-if test "${lt_cv_dlopen_self+set}" = set; then
- $as_echo_n "(cached) " >&6
-else
- if test "$cross_compiling" = yes; then :
- lt_cv_dlopen_self=cross
-else
- lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
- lt_status=$lt_dlunknown
- cat > conftest.$ac_ext <<_LT_EOF
-#line 10972 "configure"
-#include "confdefs.h"
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef RTLD_GLOBAL
-# define LT_DLGLOBAL RTLD_GLOBAL
-#else
-# ifdef DL_GLOBAL
-# define LT_DLGLOBAL DL_GLOBAL
-# else
-# define LT_DLGLOBAL 0
-# endif
-#endif
-
-/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
- find out it does not work in some platform. */
-#ifndef LT_DLLAZY_OR_NOW
-# ifdef RTLD_LAZY
-# define LT_DLLAZY_OR_NOW RTLD_LAZY
-# else
-# ifdef DL_LAZY
-# define LT_DLLAZY_OR_NOW DL_LAZY
-# else
-# ifdef RTLD_NOW
-# define LT_DLLAZY_OR_NOW RTLD_NOW
-# else
-# ifdef DL_NOW
-# define LT_DLLAZY_OR_NOW DL_NOW
-# else
-# define LT_DLLAZY_OR_NOW 0
-# endif
-# endif
-# endif
-# endif
-#endif
-
-#ifdef __cplusplus
-extern "C" void exit (int);
-#endif
-
-void fnord() { int i=42;}
-int main ()
-{
- void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
- int status = $lt_dlunknown;
-
- if (self)
- {
- if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
- else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
- /* dlclose (self); */
- }
- else
- puts (dlerror ());
-
- exit (status);
-}
-_LT_EOF
- if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then
- (./conftest; exit; ) >&5 2>/dev/null
- lt_status=$?
- case x$lt_status in
- x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;;
- x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;;
- x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;;
- esac
- else :
- # compilation failed
- lt_cv_dlopen_self=no
- fi
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-rm -fr conftest*
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-
-fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_dlopen_self" >&5
-$as_echo "$lt_cv_dlopen_self" >&6; }
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-{ $as_echo "$as_me:$LINENO: result: $lt_cv_dlopen_self_static" >&5
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-
-
-
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-
-
-
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-
-
-
- ac_config_commands="$ac_config_commands libtool"
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-
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-
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-{
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-
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-
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- # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
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-
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-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
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-
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-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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-
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- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
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-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
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-{
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_struct_tm" >&5
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-{
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-
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-( exit $ac_status )
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-
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_strtod" >&5
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-{ $as_echo "$as_me:$LINENO: checking for pow" >&5
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-
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-
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-/* The GNU C library defines this for functions which it implements
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-int
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-{
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- $as_echo "$as_me: failed program was:" >&5
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-
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-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_pow" >&5
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-LIBS=$ac_check_lib_save_LIBS
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-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_m_pow" >&5
-$as_echo "$ac_cv_lib_m_pow" >&6; }
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-
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-
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-
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- cat >conftest.$ac_ext <<_ACEOF
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-_ACEOF
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-
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-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
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-/* Override any GCC internal prototype to avoid an error.
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- builtin and then its argument prototype would still apply. */
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-#endif
-char $ac_func ();
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-
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-{
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-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
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-
-#ifdef __STDC__
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-
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-finish_eval='`$ECHO "X$finish_eval" | $Xsed -e "$delay_single_quote_subst"`'
-hardcode_into_libs='`$ECHO "X$hardcode_into_libs" | $Xsed -e "$delay_single_quote_subst"`'
-sys_lib_search_path_spec='`$ECHO "X$sys_lib_search_path_spec" | $Xsed -e "$delay_single_quote_subst"`'
-sys_lib_dlsearch_path_spec='`$ECHO "X$sys_lib_dlsearch_path_spec" | $Xsed -e "$delay_single_quote_subst"`'
-hardcode_action='`$ECHO "X$hardcode_action" | $Xsed -e "$delay_single_quote_subst"`'
-enable_dlopen='`$ECHO "X$enable_dlopen" | $Xsed -e "$delay_single_quote_subst"`'
-enable_dlopen_self='`$ECHO "X$enable_dlopen_self" | $Xsed -e "$delay_single_quote_subst"`'
-enable_dlopen_self_static='`$ECHO "X$enable_dlopen_self_static" | $Xsed -e "$delay_single_quote_subst"`'
-old_striplib='`$ECHO "X$old_striplib" | $Xsed -e "$delay_single_quote_subst"`'
-striplib='`$ECHO "X$striplib" | $Xsed -e "$delay_single_quote_subst"`'
-
-LTCC='$LTCC'
-LTCFLAGS='$LTCFLAGS'
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-
-# Quote evaled strings.
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-GREP \
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-FGREP \
-LD \
-NM \
-LN_S \
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-lt_NL2SP \
-reload_flag \
-deplibs_check_method \
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-AR \
-AR_FLAGS \
-STRIP \
-RANLIB \
-CC \
-CFLAGS \
-compiler \
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-SHELL \
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-hardcode_libdir_separator \
-fix_srcfile_path \
-exclude_expsyms \
-include_expsyms \
-file_list_spec \
-variables_saved_for_relink \
-libname_spec \
-library_names_spec \
-soname_spec \
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- eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
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- *)
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-done
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-old_postuninstall_cmds \
-old_archive_cmds \
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-old_archive_from_new_cmds \
-old_archive_from_expsyms_cmds \
-archive_cmds \
-archive_expsym_cmds \
-module_cmds \
-module_expsym_cmds \
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-postinstall_cmds \
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-sys_lib_search_path_spec \
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- eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
- ;;
- *)
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- ;;
- esac
-done
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- ;;
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-
-# See if we are running on zsh, and set the options which allow our
-# commands through without removal of \ escapes INIT.
-if test -n "\${ZSH_VERSION+set}" ; then
- setopt NO_GLOB_SUBST
-fi
-
-
- PACKAGE='$PACKAGE'
- VERSION='$VERSION'
- TIMESTAMP='$TIMESTAMP'
- RM='$RM'
- ofile='$ofile'
-
-
-
-
-_ACEOF
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-
-# Handling of arguments.
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- "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
- "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
- "libpng.pc") CONFIG_FILES="$CONFIG_FILES libpng.pc:scripts/libpng.pc-configure.in" ;;
- "libpng-config") CONFIG_FILES="$CONFIG_FILES libpng-config:scripts/libpng-config.in" ;;
-
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-# Have a temporary directory for convenience. Make it in the build tree
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-{
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-' 0
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-{
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-{
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-{
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- ac_cs_awk_cr=$ac_cr
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-
-
-{
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-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
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-sed -n '
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-p
-b
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-{
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- } else
- len += 1 + keylen
- }
-
- print line
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-
-_ACAWK
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-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
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- sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
-else
- cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
- || { { $as_echo "$as_me:$LINENO: error: could not setup config files machinery" >&5
-$as_echo "$as_me: error: could not setup config files machinery" >&2;}
- { (exit 1); exit 1; }; }
-_ACEOF
-
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
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-s/:*\${srcdir}:*/:/
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-s/:*$//
-s/^[^=]*=[ ]*$//
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-fi
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
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-
-# Set up the scripts for CONFIG_HEADERS section.
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-_ACEOF
-
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-ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
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-t rset
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-s/^[ ]*#[ ]*define[ ][ ]*/ /
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-d
-:def
-s/\\$//
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-d
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-s/["\\]/\\&/g
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-D["\1"]=" \3\\\\\\n"\\/p
-t cont
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-t cont
-d
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-s/.\{148\}/&'"$ac_delim"'/g
-t clear
-:clear
-s/\\$//
-t bsnlc
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-' <confdefs.h | sed '
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-{ print }
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-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
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- /^X\(\/\/\)$/{
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- q
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- /^X\(\/\).*/{
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- ac_builddir=.
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-
-# If ld is used when linking, flag to hardcode \$libdir into a binary
-# during linking. This must work even if \$libdir does not exist.
-hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld
-
-# Whether we need a single "-rpath" flag with a separated argument.
-hardcode_libdir_separator=$lt_hardcode_libdir_separator
-
-# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
-# DIR into the resulting binary.
-hardcode_direct=$hardcode_direct
-
-# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
-# DIR into the resulting binary and the resulting library dependency is
-# "absolute",i.e impossible to change by setting \${shlibpath_var} if the
-# library is relocated.
-hardcode_direct_absolute=$hardcode_direct_absolute
-
-# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
-# into the resulting binary.
-hardcode_minus_L=$hardcode_minus_L
-
-# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
-# into the resulting binary.
-hardcode_shlibpath_var=$hardcode_shlibpath_var
-
-# Set to "yes" if building a shared library automatically hardcodes DIR
-# into the library and all subsequent libraries and executables linked
-# against it.
-hardcode_automatic=$hardcode_automatic
-
-# Set to yes if linker adds runtime paths of dependent libraries
-# to runtime path list.
-inherit_rpath=$inherit_rpath
-
-# Whether libtool must link a program against all its dependency libraries.
-link_all_deplibs=$link_all_deplibs
-
-# Fix the shell variable \$srcfile for the compiler.
-fix_srcfile_path=$lt_fix_srcfile_path
-
-# Set to "yes" if exported symbols are required.
-always_export_symbols=$always_export_symbols
-
-# The commands to list exported symbols.
-export_symbols_cmds=$lt_export_symbols_cmds
-
-# Symbols that should not be listed in the preloaded symbols.
-exclude_expsyms=$lt_exclude_expsyms
-
-# Symbols that must always be exported.
-include_expsyms=$lt_include_expsyms
-
-# Commands necessary for linking programs (against libraries) with templates.
-prelink_cmds=$lt_prelink_cmds
-
-# Specify filename containing input files.
-file_list_spec=$lt_file_list_spec
-
-# How to hardcode a shared library path into an executable.
-hardcode_action=$hardcode_action
-
-# ### END LIBTOOL CONFIG
-
-_LT_EOF
-
- case $host_os in
- aix3*)
- cat <<\_LT_EOF >> "$cfgfile"
-# AIX sometimes has problems with the GCC collect2 program. For some
-# reason, if we set the COLLECT_NAMES environment variable, the problems
-# vanish in a puff of smoke.
-if test "X${COLLECT_NAMES+set}" != Xset; then
- COLLECT_NAMES=
- export COLLECT_NAMES
-fi
-_LT_EOF
- ;;
- esac
-
-
-ltmain="$ac_aux_dir/ltmain.sh"
-
-
- # We use sed instead of cat because bash on DJGPP gets confused if
- # if finds mixed CR/LF and LF-only lines. Since sed operates in
- # text mode, it properly converts lines to CR/LF. This bash problem
- # is reportedly fixed, but why not run on old versions too?
- sed '/^# Generated shell functions inserted here/q' "$ltmain" >> "$cfgfile" \
- || (rm -f "$cfgfile"; exit 1)
-
- case $xsi_shell in
- yes)
- cat << \_LT_EOF >> "$cfgfile"
-
-# func_dirname file append nondir_replacement
-# Compute the dirname of FILE. If nonempty, add APPEND to the result,
-# otherwise set result to NONDIR_REPLACEMENT.
-func_dirname ()
-{
- case ${1} in
- */*) func_dirname_result="${1%/*}${2}" ;;
- * ) func_dirname_result="${3}" ;;
- esac
-}
-
-# func_basename file
-func_basename ()
-{
- func_basename_result="${1##*/}"
-}
-
-# func_dirname_and_basename file append nondir_replacement
-# perform func_basename and func_dirname in a single function
-# call:
-# dirname: Compute the dirname of FILE. If nonempty,
-# add APPEND to the result, otherwise set result
-# to NONDIR_REPLACEMENT.
-# value returned in "$func_dirname_result"
-# basename: Compute filename of FILE.
-# value retuned in "$func_basename_result"
-# Implementation must be kept synchronized with func_dirname
-# and func_basename. For efficiency, we do not delegate to
-# those functions but instead duplicate the functionality here.
-func_dirname_and_basename ()
-{
- case ${1} in
- */*) func_dirname_result="${1%/*}${2}" ;;
- * ) func_dirname_result="${3}" ;;
- esac
- func_basename_result="${1##*/}"
-}
-
-# func_stripname prefix suffix name
-# strip PREFIX and SUFFIX off of NAME.
-# PREFIX and SUFFIX must not contain globbing or regex special
-# characters, hashes, percent signs, but SUFFIX may contain a leading
-# dot (in which case that matches only a dot).
-func_stripname ()
-{
- # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
- # positional parameters, so assign one to ordinary parameter first.
- func_stripname_result=${3}
- func_stripname_result=${func_stripname_result#"${1}"}
- func_stripname_result=${func_stripname_result%"${2}"}
-}
-
-# func_opt_split
-func_opt_split ()
-{
- func_opt_split_opt=${1%%=*}
- func_opt_split_arg=${1#*=}
-}
-
-# func_lo2o object
-func_lo2o ()
-{
- case ${1} in
- *.lo) func_lo2o_result=${1%.lo}.${objext} ;;
- *) func_lo2o_result=${1} ;;
- esac
-}
-
-# func_xform libobj-or-source
-func_xform ()
-{
- func_xform_result=${1%.*}.lo
-}
-
-# func_arith arithmetic-term...
-func_arith ()
-{
- func_arith_result=$(( $* ))
-}
-
-# func_len string
-# STRING may not start with a hyphen.
-func_len ()
-{
- func_len_result=${#1}
-}
-
-_LT_EOF
- ;;
- *) # Bourne compatible functions.
- cat << \_LT_EOF >> "$cfgfile"
-
-# func_dirname file append nondir_replacement
-# Compute the dirname of FILE. If nonempty, add APPEND to the result,
-# otherwise set result to NONDIR_REPLACEMENT.
-func_dirname ()
-{
- # Extract subdirectory from the argument.
- func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"`
- if test "X$func_dirname_result" = "X${1}"; then
- func_dirname_result="${3}"
- else
- func_dirname_result="$func_dirname_result${2}"
- fi
-}
-
-# func_basename file
-func_basename ()
-{
- func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"`
-}
-
-
-# func_stripname prefix suffix name
-# strip PREFIX and SUFFIX off of NAME.
-# PREFIX and SUFFIX must not contain globbing or regex special
-# characters, hashes, percent signs, but SUFFIX may contain a leading
-# dot (in which case that matches only a dot).
-# func_strip_suffix prefix name
-func_stripname ()
-{
- case ${2} in
- .*) func_stripname_result=`$ECHO "X${3}" \
- | $Xsed -e "s%^${1}%%" -e "s%\\\\${2}\$%%"`;;
- *) func_stripname_result=`$ECHO "X${3}" \
- | $Xsed -e "s%^${1}%%" -e "s%${2}\$%%"`;;
- esac
-}
-
-# sed scripts:
-my_sed_long_opt='1s/^\(-[^=]*\)=.*/\1/;q'
-my_sed_long_arg='1s/^-[^=]*=//'
-
-# func_opt_split
-func_opt_split ()
-{
- func_opt_split_opt=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_opt"`
- func_opt_split_arg=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_arg"`
-}
-
-# func_lo2o object
-func_lo2o ()
-{
- func_lo2o_result=`$ECHO "X${1}" | $Xsed -e "$lo2o"`
-}
-
-# func_xform libobj-or-source
-func_xform ()
-{
- func_xform_result=`$ECHO "X${1}" | $Xsed -e 's/\.[^.]*$/.lo/'`
-}
-
-# func_arith arithmetic-term...
-func_arith ()
-{
- func_arith_result=`expr "$@"`
-}
-
-# func_len string
-# STRING may not start with a hyphen.
-func_len ()
-{
- func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len`
-}
-
-_LT_EOF
-esac
-
-case $lt_shell_append in
- yes)
- cat << \_LT_EOF >> "$cfgfile"
-
-# func_append var value
-# Append VALUE to the end of shell variable VAR.
-func_append ()
-{
- eval "$1+=\$2"
-}
-_LT_EOF
- ;;
- *)
- cat << \_LT_EOF >> "$cfgfile"
-
-# func_append var value
-# Append VALUE to the end of shell variable VAR.
-func_append ()
-{
- eval "$1=\$$1\$2"
-}
-
-_LT_EOF
- ;;
- esac
-
-
- sed -n '/^# Generated shell functions inserted here/,$p' "$ltmain" >> "$cfgfile" \
- || (rm -f "$cfgfile"; exit 1)
-
- mv -f "$cfgfile" "$ofile" ||
- (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
- chmod +x "$ofile"
-
- ;;
- "libpng-config":F) chmod +x libpng-config ;;
-
- esac
-done # for ac_tag
-
-
-{ (exit 0); exit 0; }
-_ACEOF
-chmod +x $CONFIG_STATUS
-ac_clean_files=$ac_clean_files_save
-
-test $ac_write_fail = 0 ||
- { { $as_echo "$as_me:$LINENO: error: write failure creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: write failure creating $CONFIG_STATUS" >&2;}
- { (exit 1); exit 1; }; }
-
-
-# configure is writing to config.log, and then calls config.status.
-# config.status does its own redirection, appending to config.log.
-# Unfortunately, on DOS this fails, as config.log is still kept open
-# by configure, so config.status won't be able to write to it; its
-# output is simply discarded. So we exec the FD to /dev/null,
-# effectively closing config.log, so it can be properly (re)opened and
-# appended to by config.status. When coming back to configure, we
-# need to make the FD available again.
-if test "$no_create" != yes; then
- ac_cs_success=:
- ac_config_status_args=
- test "$silent" = yes &&
- ac_config_status_args="$ac_config_status_args --quiet"
- exec 5>/dev/null
- $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
- exec 5>>config.log
- # Use ||, not &&, to avoid exiting from the if with $? = 1, which
- # would make configure fail if this is the last instruction.
- $ac_cs_success || { (exit 1); exit 1; }
-fi
-if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
- { $as_echo "$as_me:$LINENO: WARNING: Unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: Unrecognized options: $ac_unrecognized_opts" >&2;}
-fi
-
+++ /dev/null
-# configure.ac
-
-dnl Process this file with autoconf to produce a configure script.
-dnl
-dnl Minor upgrades (compatible ABI): increment the package version
-dnl (third field in two places below) and set the PNGLIB_RELEASE
-dnl variable.
-dnl
-dnl Major upgrades (incompatible ABI): increment the package major
-dnl version (second field, or first if desired), set the minor
-dnl to 0, set PNGLIB_MAJOR below *and* follow the instructions in
-dnl Makefile.am to upgrade the package name.
-
-dnl This is here to prevent earlier autoconf from being used, it
-dnl should not be necessary to regenerate configure if the time
-dnl stamps are correct
-AC_PREREQ(2.59)
-
-dnl Version number stuff here:
-
-AC_INIT([libpng], [1.2.37], [png-mng-implement@lists.sourceforge.net])
-AM_INIT_AUTOMAKE
-dnl stop configure from automagically running automake
-AM_MAINTAINER_MODE
-
-PNGLIB_VERSION=1.2.37
-PNGLIB_MAJOR=1
-PNGLIB_MINOR=2
-PNGLIB_RELEASE=37
-
-dnl End of version number stuff
-
-AC_CONFIG_SRCDIR([pngget.c])
-AM_CONFIG_HEADER(config.h)
-
-# Checks for programs.
-AC_PROG_CC
-AC_PROG_LD
-AC_PROG_CPP
-AC_CHECK_TOOL(SED, sed, :)
-AC_LIBTOOL_WIN32_DLL
-AC_PROG_INSTALL
-AC_PROG_LN_S
-AC_PROG_MAKE_SET
-AC_PROG_LIBTOOL
-
-# Checks for header files.
-AC_HEADER_STDC
-AC_CHECK_HEADERS([malloc.h stdlib.h string.h strings.h])
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-AC_TYPE_SIZE_T
-AC_STRUCT_TM
-
-# Checks for library functions.
-AC_FUNC_STRTOD
-AC_CHECK_FUNCS([memset], , AC_ERROR([memset not found in libc]))
-AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) )
-AC_CHECK_LIB(z, zlibVersion, , AC_ERROR([zlib not installed]))
-
-LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG
-AC_MSG_CHECKING(
- [if assembler code in pnggccrd.c can be compiled without PNG_NO_MMX_CODE])
-AC_TRY_COMPILE(
- [#include "$srcdir/pnggccrd.c"],
- [return 0;],
- AC_MSG_RESULT(yes)
- LIBPNG_NO_MMX="",
- AC_MSG_RESULT(no)
- LIBPNG_NO_MMX=-DPNG_NO_MMX_CODE)
-LIBPNG_DEFINES=$LIBPNG_DEFINES\ $LIBPNG_NO_MMX
-AC_SUBST(LIBPNG_DEFINES)
-AC_SUBST(LIBPNG_NO_MMX)
-
-AC_MSG_CHECKING([if libraries can be versioned])
-GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`
-if test "$GLD"; then
- have_ld_version_script=yes
- AC_MSG_RESULT(yes)
-else
- have_ld_version_script=no
- AC_MSG_RESULT(no)
- AC_MSG_WARN(*** You have not enabled versioned symbols.)
-fi
-AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
-
-if test "$have_ld_version_script" = "yes"; then
- AC_MSG_CHECKING([for symbol prefix])
- SYMBOL_PREFIX=`echo "PREFIX=__USER_LABEL_PREFIX__" \
- | ${CPP-${CC-gcc} -E} - 2>&1 \
- | ${EGREP-grep} "^PREFIX=" \
- | ${SED-sed} "s:^PREFIX=::"`
- AC_SUBST(SYMBOL_PREFIX)
- AC_MSG_RESULT($SYMBOL_PREFIX)
-fi
-
-# Substitutions for .in files
-AC_SUBST(PNGLIB_VERSION)
-AC_SUBST(PNGLIB_MAJOR)
-AC_SUBST(PNGLIB_MINOR)
-AC_SUBST(PNGLIB_RELEASE)
-
-# Additional arguments (and substitutions)
-# Allow the pkg-config directory to be set
-AC_ARG_WITH(pkgconfigdir,
- AC_HELP_STRING([--with-pkgconfigdir],
- [Use the specified pkgconfig dir (default is libdir/pkgconfig)]),
- [pkgconfigdir=${withval}],
- [pkgconfigdir='${libdir}/pkgconfig'])
-
-AC_SUBST([pkgconfigdir])
-AC_MSG_NOTICE([pkgconfig directory is ${pkgconfigdir}])
-
-# Make the *-config binary config scripts optional
-AC_ARG_WITH(binconfigs,
- AC_HELP_STRING([--with-binconfigs],
- [Generate shell libpng-config scripts as well as pkg-config data]
- [@<:@default=yes@:>@]),
- [if test "${withval}" = no; then
- binconfigs=
- AC_MSG_NOTICE([libpng-config scripts will not be built])
- else
- binconfigs='${binconfigs}'
- fi],
- [binconfigs='${binconfigs}'])
-AC_SUBST([binconfigs])
-
-# Allow the old version number library, libpng.so, to be removed from
-# the build
-AC_ARG_WITH(libpng-compat,
- AC_HELP_STRING([--with-libpng-compat],
- [Generate the obsolete libpng.so library @<:@default=yes@:>@]),
- [if test "${withval}" = no; then
- compatlib=
- AC_MSG_NOTICE([libpng.so will not be built])
- else
- compatlib=libpng.la
- fi],
- [compatlib=libpng.la])
-AC_SUBST([compatlib])
-
-# Config files, substituting as above
-AC_CONFIG_FILES([Makefile libpng.pc:scripts/libpng.pc-configure.in])
-AC_CONFIG_FILES([libpng-config:scripts/libpng-config.in],
- [chmod +x libpng-config])
-
-AC_OUTPUT
+++ /dev/null
- GNU GENERAL PUBLIC LICENSE
- Version 2, June 1991
-
- Copyright (C) 1989, 1991 Free Software Foundation, Inc.
- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
- Preamble
-
- The licenses for most software are designed to take away your
-freedom to share and change it. By contrast, the GNU General Public
-License is intended to guarantee your freedom to share and change free
-software--to make sure the software is free for all its users. This
-General Public License applies to most of the Free Software
-Foundation's software and to any other program whose authors commit to
-using it. (Some other Free Software Foundation software is covered by
-the GNU Library General Public License instead.) You can apply it to
-your programs, too.
-
- When we speak of free software, we are referring to freedom, not
-price. Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-this service if you wish), that you receive source code or can get it
-if you want it, that you can change the software or use pieces of it
-in new free programs; and that you know you can do these things.
-
- To protect your rights, we need to make restrictions that forbid
-anyone to deny you these rights or to ask you to surrender the rights.
-These restrictions translate to certain responsibilities for you if you
-distribute copies of the software, or if you modify it.
-
- For example, if you distribute copies of such a program, whether
-gratis or for a fee, you must give the recipients all the rights that
-you have. You must make sure that they, too, receive or can get the
-source code. And you must show them these terms so they know their
-rights.
-
- We protect your rights with two steps: (1) copyright the software, and
-(2) offer you this license which gives you legal permission to copy,
-distribute and/or modify the software.
-
- Also, for each author's protection and ours, we want to make certain
-that everyone understands that there is no warranty for this free
-software. If the software is modified by someone else and passed on, we
-want its recipients to know that what they have is not the original, so
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-
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-
- The precise terms and conditions for copying, distribution and
-modification follow.
-\f
- GNU GENERAL PUBLIC LICENSE
- TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
-
- 0. This License applies to any program or other work which contains
-a notice placed by the copyright holder saying it may be distributed
-under the terms of this General Public License. The "Program", below,
-refers to any such program or work, and a "work based on the Program"
-means either the Program or any derivative work under copyright law:
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-language. (Hereinafter, translation is included without limitation in
-the term "modification".) Each licensee is addressed as "you".
-
-Activities other than copying, distribution and modification are not
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-running the Program is not restricted, and the output from the Program
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-Whether that is true depends on what the Program does.
-
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-
-You may charge a fee for the physical act of transferring a copy, and
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-
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-
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-\f
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-identifiable sections of that work are not derived from the Program,
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-\f
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-except as expressly provided under this License. Any attempt
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- 6. Each time you redistribute the Program (or any work based on the
-Program), the recipient automatically receives a license from the
-original licensor to copy, distribute or modify the Program subject to
-these terms and conditions. You may not impose any further
-restrictions on the recipients' exercise of the rights granted herein.
-You are not responsible for enforcing compliance by third parties to
-this License.
-
- 7. If, as a consequence of a court judgment or allegation of patent
-infringement or for any other reason (not limited to patent issues),
-conditions are imposed on you (whether by court order, agreement or
-otherwise) that contradict the conditions of this License, they do not
-excuse you from the conditions of this License. If you cannot
-distribute so as to satisfy simultaneously your obligations under this
-License and any other pertinent obligations, then as a consequence you
-may not distribute the Program at all. For example, if a patent
-license would not permit royalty-free redistribution of the Program by
-all those who receive copies directly or indirectly through you, then
-the only way you could satisfy both it and this License would be to
-refrain entirely from distribution of the Program.
-
-If any portion of this section is held invalid or unenforceable under
-any particular circumstance, the balance of the section is intended to
-apply and the section as a whole is intended to apply in other
-circumstances.
-
-It is not the purpose of this section to induce you to infringe any
-patents or other property right claims or to contest validity of any
-such claims; this section has the sole purpose of protecting the
-integrity of the free software distribution system, which is
-implemented by public license practices. Many people have made
-generous contributions to the wide range of software distributed
-through that system in reliance on consistent application of that
-system; it is up to the author/donor to decide if he or she is willing
-to distribute software through any other system and a licensee cannot
-impose that choice.
-
-This section is intended to make thoroughly clear what is believed to
-be a consequence of the rest of this License.
-\f
- 8. If the distribution and/or use of the Program is restricted in
-certain countries either by patents or by copyrighted interfaces, the
-original copyright holder who places the Program under this License
-may add an explicit geographical distribution limitation excluding
-those countries, so that distribution is permitted only in or among
-countries not thus excluded. In such case, this License incorporates
-the limitation as if written in the body of this License.
-
- 9. The Free Software Foundation may publish revised and/or new versions
-of the General Public License from time to time. Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-Each version is given a distinguishing version number. If the Program
-specifies a version number of this License which applies to it and "any
-later version", you have the option of following the terms and conditions
-either of that version or of any later version published by the Free
-Software Foundation. If the Program does not specify a version number of
-this License, you may choose any version ever published by the Free Software
-Foundation.
-
- 10. If you wish to incorporate parts of the Program into other free
-programs whose distribution conditions are different, write to the author
-to ask for permission. For software which is copyrighted by the Free
-Software Foundation, write to the Free Software Foundation; we sometimes
-make exceptions for this. Our decision will be guided by the two goals
-of preserving the free status of all derivatives of our free software and
-of promoting the sharing and reuse of software generally.
-
- NO WARRANTY
-
- 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
-FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
-OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
-PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
-OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
-TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
-PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
-REPAIR OR CORRECTION.
-
- 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
-REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
-INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
-OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
-TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
-YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
-PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGES.
-
- END OF TERMS AND CONDITIONS
-\f
- How to Apply These Terms to Your New Programs
-
- If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
- To do so, attach the following notices to the program. It is safest
-to attach them to the start of each source file to most effectively
-convey the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
- <one line to give the program's name and a brief idea of what it does.>
- Copyright (C) <year> <name of author>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
-
-Also add information on how to contact you by electronic and paper mail.
-
-If the program is interactive, make it output a short notice like this
-when it starts in an interactive mode:
-
- Gnomovision version 69, Copyright (C) year name of author
- Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
- This is free software, and you are welcome to redistribute it
- under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License. Of course, the commands you use may
-be called something other than `show w' and `show c'; they could even be
-mouse-clicks or menu items--whatever suits your program.
-
-You should also get your employer (if you work as a programmer) or your
-school, if any, to sign a "copyright disclaimer" for the program, if
-necessary. Here is a sample; alter the names:
-
- Yoyodyne, Inc., hereby disclaims all copyright interest in the program
- `Gnomovision' (which makes passes at compilers) written by James Hacker.
-
- <signature of Ty Coon>, 1 April 1989
- Ty Coon, President of Vice
-
-This General Public License does not permit incorporating your program into
-proprietary programs. If your program is a subroutine library, you may
-consider it more useful to permit linking proprietary applications with the
-library. If this is what you want to do, use the GNU Library General
-Public License instead of this License.
+++ /dev/null
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------
+++ /dev/null
-# Sample makefile for rpng-win / rpng2-win / wpng using mingw32-gcc and make.
-# Greg Roelofs
-# Last modified: 2 June 2007
-#
-# The programs built by this makefile are described in the book,
-# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
-# Associates, 1999). Go buy a copy, eh? Well, OK, it's not
-# generally for sale anymore, but it's the thought that counts,
-# right? (Hint: http://www.libpng.org/pub/png/book/ )
-#
-# Invoke this makefile from a DOS-prompt window via:
-#
-# make -f Makefile.mingw32
-#
-# This makefile assumes libpng and zlib have already been built or downloaded
-# and are in subdirectories at the same level as the current subdirectory
-# (as indicated by the PNGDIR and ZDIR macros below). It makes no assumptions
-# at all about the mingw32 installation tree (W32DIR). Edit as appropriate.
-#
-# Note that the names of the dynamic and static libpng and zlib libraries
-# used below may change in later releases of the libraries. This makefile
-# builds both statically and dynamically linked executables by default.
-# (You need only one set, but for testing it can be handy to have both.)
-
-
-# macros --------------------------------------------------------------------
-
-#PNGDIR = ../..# for libpng-x.y.z/contrib/gregbook builds
-PNGDIR = ../libpng-win32
-PNGINC = -I$(PNGDIR)
-PNGLIBd = $(PNGDIR)/libpng.dll.a # dynamically linked
-PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng
-
-#ZDIR = ../../../zlib-win32# for libpng-x.y.z/contrib/gregbook builds
-ZDIR = ../zlib-win32
-ZINC = -I$(ZDIR)
-ZLIBd = $(ZDIR)/libzdll.a
-ZLIBs = $(ZDIR)/libz.a
-
-# change this to be the path where mingw32 installs its stuff:
-W32DIR =
-#W32DIR = /usr/local/cross-tools/i386-mingw32msvc
-W32INC = -I$(W32DIR)/include
-W32LIB = $(W32DIR)/lib/libuser32.a $(W32DIR)/lib/libgdi32.a
-
-CC = gcc
-#CC = i386-mingw32msvc-gcc # e.g., Linux -> Win32 cross-compilation
-LD = $(CC)
-RM = rm -f
-CFLAGS = -O -Wall $(INCS) $(MINGW_CCFLAGS)
-# [note that -Wall is a gcc-specific compilation flag ("most warnings on")]
-# [-ansi, -pedantic and -W can also be used]
-LDFLAGS = $(MINGW_LDFLAGS)
-O = .o
-E = .exe
-
-INCS = $(PNGINC) $(ZINC) $(W32INC)
-RLIBSd = $(PNGLIBd) $(ZLIBd) $(W32LIB) -lm
-RLIBSs = $(PNGLIBs) $(ZLIBs) $(W32LIB) -lm
-WLIBSd = $(PNGLIBd) $(ZLIBd)
-WLIBSs = $(PNGLIBs) $(ZLIBs)
-
-RPNG = rpng-win
-RPNG2 = rpng2-win
-WPNG = wpng
-
-ROBJSd = $(RPNG)$(O) readpng.pic$(O)
-ROBJS2d = $(RPNG2)$(O) readpng2.pic$(O)
-WOBJSd = $(WPNG)$(O) writepng.pic$(O)
-
-RPNGs = $(RPNG)-static
-RPNG2s = $(RPNG2)-static
-WPNGs = $(WPNG)-static
-
-ROBJSs = $(RPNG)$(O) readpng$(O)
-ROBJS2s = $(RPNG2)$(O) readpng2$(O)
-WOBJSs = $(WPNG)$(O) writepng$(O)
-
-STATIC_EXES = $(RPNGs)$(E) $(RPNG2s)$(E) $(WPNGs)$(E)
-DYNAMIC_EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
-
-EXES = $(STATIC_EXES) $(DYNAMIC_EXES)
-
-
-# implicit make rules -------------------------------------------------------
-
-.c$(O):
- $(CC) -c $(CFLAGS) $<
-
-%.pic$(O): %.c
- $(CC) -c $(CFLAGS) -DPNG_BUILD_DLL -o $@ $<
-
-
-# dependencies --------------------------------------------------------------
-
-all: $(EXES)
-
-$(RPNGs)$(E): $(ROBJSs)
- $(LD) $(LDFLAGS) -o $@ $(ROBJSs) $(RLIBSs)
-
-$(RPNG)$(E): $(ROBJSd)
- $(LD) $(LDFLAGS) -o $@ $(ROBJSd) $(RLIBSd)
-
-$(RPNG2s)$(E): $(ROBJS2s)
- $(LD) $(LDFLAGS) -o $@ $(ROBJS2s) $(RLIBSs)
-
-$(RPNG2)$(E): $(ROBJS2d)
- $(LD) $(LDFLAGS) -o $@ $(ROBJS2d) $(RLIBSd)
-
-$(WPNGs)$(E): $(WOBJSs)
- $(LD) $(LDFLAGS) -o $@ $(WOBJSs) $(WLIBSs)
-
-$(WPNG)$(E): $(WOBJSd)
- $(LD) $(LDFLAGS) -o $@ $(WOBJSd) $(WLIBSd)
-
-$(RPNG)$(O): $(RPNG).c readpng.h
-$(RPNG2)$(O): $(RPNG2).c readpng2.h
-$(WPNG)$(O): $(WPNG).c writepng.h
-
-readpng$(O) readpng.pic$(O): readpng.c readpng.h
-readpng2$(O) readpng2.pic$(O): readpng2.c readpng2.h
-writepng$(O) writepng.pic$(O): writepng.c writepng.h
-
-
-# maintenance ---------------------------------------------------------------
-
-clean:
- $(RM) $(EXES)
- $(RM) $(ROBJSs) $(ROBJS2s) $(WOBJSs)
- $(RM) $(ROBJSd) $(ROBJS2d) $(WOBJSd)
+++ /dev/null
-# Sample makefile for rpng-x / rpng2-x / wpng for SGI using cc and make.
-# Greg Roelofs
-# Last modified: 7 March 2002
-#
-# The programs built by this makefile are described in the book,
-# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
-# Associates, 1999). Go buy a copy, eh? Buy some for friends
-# and family, too. (Not that this is a blatant plug or anything.)
-#
-# Invoke this makefile from a shell prompt in the usual way; for example:
-#
-# make -f Makefile.sgi
-#
-# This makefile assumes libpng and zlib have already been built or downloaded
-# and are both installed in /usr/local/{include,lib} (as indicated by the
-# PNG* and Z* macros below). Edit as appropriate--choose only ONE each of
-# the PNGINC, PNGLIB, ZINC and ZLIB lines.
-#
-# This makefile builds dynamically linked executables (against libpng and zlib,
-# that is), but that can be changed by uncommenting the appropriate PNGLIB and
-# ZLIB lines.
-
-
-# macros --------------------------------------------------------------------
-
-PNGINC = -I/usr/local/include/libpng12
-PNGLIB = -L/usr/local/lib -lpng12 # dynamically linked against libpng
-#PNGLIB = /usr/local/lib/libpng12.a # statically linked against libpng
-# or:
-#PNGINC = -I../..
-#PNGLIB = -L../.. -lpng
-#PNGLIB = ../../libpng.a
-
-ZINC = -I/usr/local/include
-ZLIB = -L/usr/local/lib -lz # dynamically linked against zlib
-#ZLIB = /usr/local/lib/libz.a # statically linked against zlib
-#ZINC = -I../zlib
-#ZLIB = -L../zlib -lz
-#ZLIB = ../../../zlib/libz.a
-
-XINC = -I/usr/include/X11 # old-style, stock X distributions
-XLIB = -L/usr/lib/X11 -lX11
-#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows)
-#XLIB = -L/usr/openwin/lib -lX11
-#XINC = -I/usr/X11R6/include # new X distributions (XFree86, etc.)
-#XLIB = -L/usr/X11R6/lib -lX11
-
-INCS = $(PNGINC) $(ZINC) $(XINC)
-RLIBS = $(PNGLIB) $(ZLIB) $(XLIB) -lm
-WLIBS = $(PNGLIB) $(ZLIB)
-
-CC = cc
-LD = cc
-RM = rm -f
-# ABI must be the same as that used to build libpng.
-ABI=
-CFLAGS = $(ABI) -O -fullwarn $(INCS)
-LDFLAGS = $(ABI)
-O = .o
-E =
-
-RPNG = rpng-x
-RPNG2 = rpng2-x
-WPNG = wpng
-
-ROBJS = $(RPNG)$(O) readpng$(O)
-ROBJS2 = $(RPNG2)$(O) readpng2$(O)
-WOBJS = $(WPNG)$(O) writepng$(O)
-
-EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
-
-
-# implicit make rules -------------------------------------------------------
-
-.c$(O):
- $(CC) -c $(CFLAGS) $<
-
-
-# dependencies --------------------------------------------------------------
-
-all: $(EXES)
-
-$(RPNG)$(E): $(ROBJS)
- $(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBS)
-
-$(RPNG2)$(E): $(ROBJS2)
- $(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBS)
-
-$(WPNG)$(E): $(WOBJS)
- $(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBS)
-
-$(RPNG)$(O): $(RPNG).c readpng.h
-$(RPNG2)$(O): $(RPNG2).c readpng2.h
-$(WPNG)$(O): $(WPNG).c writepng.h
-
-readpng$(O): readpng.c readpng.h
-readpng2$(O): readpng2.c readpng2.h
-writepng$(O): writepng.c writepng.h
-
-
-# maintenance ---------------------------------------------------------------
-
-clean:
- $(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)
+++ /dev/null
-# Sample makefile for rpng-x / rpng2-x / wpng using gcc and make.
-# Greg Roelofs
-# Last modified: 2 June 2007
-#
-# The programs built by this makefile are described in the book,
-# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
-# Associates, 1999). Go buy a copy, eh? Well, OK, it's not
-# generally for sale anymore, but it's the thought that counts,
-# right? (Hint: http://www.libpng.org/pub/png/book/ )
-#
-# Invoke this makefile from a shell prompt in the usual way; for example:
-#
-# make -f Makefile.unx
-#
-# This makefile assumes libpng and zlib have already been built or downloaded
-# and are installed in /usr/local/{include,lib} or as otherwise indicated by
-# the PNG* and Z* macros below. Edit as appropriate--choose only ONE each of
-# the PNGINC, PNGLIBd, PNGLIBs, ZINC, ZLIBd and ZLIBs lines.
-#
-# This makefile builds both dynamically and statically linked executables
-# (against libpng and zlib, that is), but that can be changed by modifying
-# the "EXES =" line. (You need only one set, but for testing it can be handy
-# to have both.)
-
-
-# macros --------------------------------------------------------------------
-
-#PNGDIR = /usr/local/lib
-#PNGINC = -I/usr/local/include/libpng12
-#PNGLIBd = -L$(PNGDIR) -lpng12 # dynamically linked, installed libpng
-#PNGLIBs = $(PNGDIR)/libpng12.a # statically linked, installed libpng
-# or:
-PNGDIR = ../..# this one is for libpng-x.y.z/contrib/gregbook builds
-#PNGDIR = ../libpng
-PNGINC = -I$(PNGDIR)
-PNGLIBd = -Wl,-rpath,$(PNGDIR) -L$(PNGDIR) -lpng12 # dynamically linked
-PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng
-
-ZDIR = /usr/local/lib
-#ZDIR = /usr/lib64
-ZINC = -I/usr/local/include
-ZLIBd = -L$(ZDIR) -lz # dynamically linked against zlib
-ZLIBs = $(ZDIR)/libz.a # statically linked against zlib
-# or:
-#ZDIR = ../zlib
-#ZINC = -I$(ZDIR)
-#ZLIBd = -Wl,-rpath,$(ZDIR) -L$(ZDIR) -lz # -rpath allows in-place testing
-#ZLIBs = $(ZDIR)/libz.a
-
-#XINC = -I/usr/include # old-style, stock X distributions
-#XLIB = -L/usr/lib/X11 -lX11 # (including SGI IRIX)
-#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows)
-#XLIB = -L/usr/openwin/lib -lX11
-XINC = -I/usr/X11R6/include # new X distributions (X.org, etc.)
-XLIB = -L/usr/X11R6/lib -lX11
-#XLIB = -L/usr/X11R6/lib64 -lX11 # e.g., Red Hat on AMD64
-
-INCS = $(PNGINC) $(ZINC) $(XINC)
-RLIBSd = $(PNGLIBd) $(ZLIBd) $(XLIB) -lm
-RLIBSs = $(PNGLIBs) $(ZLIBs) $(XLIB) -lm
-WLIBSd = $(PNGLIBd) $(ZLIBd) -lm
-WLIBSs = $(PNGLIBs) $(ZLIBs)
-
-CC = gcc
-LD = gcc
-RM = rm -f
-CFLAGS = -O -Wall $(INCS) -DFEATURE_LOOP
-# [note that -Wall is a gcc-specific compilation flag ("most warnings on")]
-# [-ansi, -pedantic and -W can also be used]
-LDFLAGS =
-O = .o
-E =
-
-RPNG = rpng-x
-RPNG2 = rpng2-x
-WPNG = wpng
-
-RPNGs = $(RPNG)-static
-RPNG2s = $(RPNG2)-static
-WPNGs = $(WPNG)-static
-
-ROBJS = $(RPNG)$(O) readpng$(O)
-ROBJS2 = $(RPNG2)$(O) readpng2$(O)
-WOBJS = $(WPNG)$(O) writepng$(O)
-
-STATIC_EXES = $(RPNGs)$(E) $(RPNG2s)$(E) $(WPNGs)$(E)
-DYNAMIC_EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
-
-EXES = $(STATIC_EXES) $(DYNAMIC_EXES)
-
-
-# implicit make rules -------------------------------------------------------
-
-.c$(O):
- $(CC) -c $(CFLAGS) $<
-
-
-# dependencies --------------------------------------------------------------
-
-all: $(EXES)
-
-$(RPNGs)$(E): $(ROBJS)
- $(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBSs)
-
-$(RPNG)$(E): $(ROBJS)
- $(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBSd)
-
-$(RPNG2s)$(E): $(ROBJS2)
- $(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBSs)
-
-$(RPNG2)$(E): $(ROBJS2)
- $(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBSd)
-
-$(WPNGs)$(E): $(WOBJS)
- $(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBSs)
-
-$(WPNG)$(E): $(WOBJS)
- $(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBSd)
-
-$(RPNG)$(O): $(RPNG).c readpng.h
-$(RPNG2)$(O): $(RPNG2).c readpng2.h
-$(WPNG)$(O): $(WPNG).c writepng.h
-
-readpng$(O): readpng.c readpng.h
-readpng2$(O): readpng2.c readpng2.h
-writepng$(O): writepng.c writepng.h
-
-
-# maintenance ---------------------------------------------------------------
-
-clean:
- $(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)
+++ /dev/null
-# Sample makefile for rpng-win / rpng2-win / wpng using MSVC and NMAKE.
-# Greg Roelofs
-# Last modified: 2 June 2007
-#
-# The programs built by this makefile are described in the book,
-# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
-# Associates, 1999). Go buy a copy, eh? Well, OK, it's not
-# generally for sale anymore, but it's the thought that counts,
-# right? (Hint: http://www.libpng.org/pub/png/book/ )
-#
-# Invoke this makefile from a DOS prompt window via:
-#
-# %devstudio%\vc\bin\vcvars32.bat
-# nmake -nologo -f Makefile.w32
-#
-# where %devstudio% is the installation directory for MSVC / DevStudio. If
-# you get "environment out of space" errors, create a desktop shortcut with
-# "c:\windows\command.com /e:4096" as the program command line and set the
-# working directory to this directory. Then double-click to open the new
-# DOS-prompt window with a bigger environment and retry the commands above.
-#
-# This makefile assumes libpng and zlib have already been built or downloaded
-# and are in subdirectories at the same level as the current subdirectory
-# (as indicated by the PNGPATH and ZPATH macros below). Edit as appropriate.
-#
-# Note that the names of the dynamic and static libpng and zlib libraries
-# used below may change in later releases of the libraries. This makefile
-# builds statically linked executables, but that can be changed by uncom-
-# menting the appropriate PNGLIB and ZLIB lines.
-
-!include <ntwin32.mak>
-
-
-# macros --------------------------------------------------------------------
-
-PNGPATH = ../libpng
-PNGINC = -I$(PNGPATH)
-#PNGLIB = $(PNGPATH)/pngdll.lib
-PNGLIB = $(PNGPATH)/libpng.lib
-
-ZPATH = ../zlib
-ZINC = -I$(ZPATH)
-#ZLIB = $(ZPATH)/zlibdll.lib
-ZLIB = $(ZPATH)/zlibstat.lib
-
-WINLIBS = -defaultlib:user32.lib gdi32.lib
-# ["real" apps may also need comctl32.lib, comdlg32.lib, winmm.lib, etc.]
-
-INCS = $(PNGINC) $(ZINC)
-RLIBS = $(PNGLIB) $(ZLIB) $(WINLIBS)
-WLIBS = $(PNGLIB) $(ZLIB)
-
-CC = cl
-LD = link
-RM = del
-CFLAGS = -nologo -O -W3 $(INCS) $(cvars)
-# [note that -W3 is an MSVC-specific compilation flag ("all warnings on")]
-# [see %devstudio%\vc\include\win32.mak for cvars macro definition]
-O = .obj
-E = .exe
-
-RLDFLAGS = -nologo -subsystem:windows
-WLDFLAGS = -nologo
-
-RPNG = rpng-win
-RPNG2 = rpng2-win
-WPNG = wpng
-
-ROBJS = $(RPNG)$(O) readpng$(O)
-ROBJS2 = $(RPNG2)$(O) readpng2$(O)
-WOBJS = $(WPNG)$(O) writepng$(O)
-
-EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
-
-
-# implicit make rules -------------------------------------------------------
-
-.c$(O):
- $(CC) -c $(CFLAGS) $<
-
-
-# dependencies --------------------------------------------------------------
-
-all: $(EXES)
-
-$(RPNG)$(E): $(ROBJS)
- $(LD) $(RLDFLAGS) -out:$@ $(ROBJS) $(RLIBS)
-
-$(RPNG2)$(E): $(ROBJS2)
- $(LD) $(RLDFLAGS) -out:$@ $(ROBJS2) $(RLIBS)
-
-$(WPNG)$(E): $(WOBJS)
- $(LD) $(WLDFLAGS) -out:$@ $(WOBJS) $(WLIBS)
-
-$(RPNG)$(O): $(RPNG).c readpng.h
-$(RPNG2)$(O): $(RPNG2).c readpng2.h
-$(WPNG)$(O): $(WPNG).c writepng.h
-
-readpng$(O): readpng.c readpng.h
-readpng2$(O): readpng2.c readpng2.h
-writepng$(O): writepng.c writepng.h
-
-
-# maintenance ---------------------------------------------------------------
-
-clean:
-# ideally we could just do this:
-# $(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)
-# ...but the Windows "DEL" command is none too bright, so:
- $(RM) r*$(E)
- $(RM) w*$(E)
- $(RM) r*$(O)
- $(RM) w*$(O)
+++ /dev/null
- ===========================
- PNG: The Definitive Guide
- ===========================
-
- Source Code
-
-Chapters 13, 14 and 15 of "PNG: The Definitive Guide" discuss three free,
-cross-platform demo programs that show how to use the libpng reference
-library: rpng, rpng2 and wpng. rpng and rpng2 are viewers; the first is
-a very simple example that that shows how a standard file-viewer might use
-libpng, while the second is designed to process streaming data and shows
-how a web browser might be written. wpng is a simple command-line program
-that reads binary PGM and PPM files (the ``raw'' grayscale and RGB subsets
-of PBMPLUS/NetPBM) and converts them to PNG.
-
-The source code for all three demo programs currently compiles under
-Unix, OpenVMS, and 32-bit Windows. (Special thanks to Martin Zinser,
-zinser@decus.de, for making the necessary changes for OpenVMS and for
-providing an appropriate build script.) Build instructions can be found
-below.
-
-Files:
-
- README this file
- LICENSE terms of distribution and reuse (BSD-like or GNU GPL)
- COPYING GNU General Public License (GPL)
-
- Makefile.unx Unix makefile
- Makefile.w32 Windows (MSVC) makefile
- makevms.com OpenVMS build script
-
- rpng-win.c Windows front end for the basic viewer
- rpng-x.c X Window System (Unix, OpenVMS) front end
- readpng.c generic back end for the basic viewer
- readpng.h header file for the basic viewer
-
- rpng2-win.c Windows front end for the progressive viewer
- rpng2-x.c X front end for the progressive viewer
- readpng2.c generic back end for the progressive viewer
- readpng2.h header file for the progressive viewer
-
- wpng.c generic (text) front end for the converter
- writepng.c generic back end for the converter
- writepng.h header file for the converter
-
- toucan.png transparent PNG for testing (by Stefan Schneider)
-
-Note that, although the programs are designed to be functional, their
-primary purpose is to illustrate how to use libpng to add PNG support to
-other programs. As such, their user interfaces are crude and definitely
-are not intended for everyday use.
-
-Please see http://www.libpng.org/pub/png/pngbook.html for further infor-
-mation and links to the latest version of the source code, and Chapters
-13-15 of the book for detailed discussion of the three programs.
-
-Greg Roelofs
-http://pobox.com/~newt/greg_contact.html
-16 March 2008
-
-
-BUILD INSTRUCTIONS
-
- - Prerequisites (in order of compilation):
-
- - zlib http://zlib.net/
- - libpng http://www.libpng.org/pub/png/libpng.html
- - pngbook http://www.libpng.org/pub/png/book/sources.html
-
- The pngbook demo programs are explicitly designed to demonstrate proper
- coding techniques for using the libpng reference library. As a result,
- you need to download and build both zlib (on which libpng depends) and
- libpng. A common build setup is to place the zlib, libpng and pngbook
- subdirectory trees ("folders") in the same parent directory. Then the
- libpng build can refer to files in ../zlib (or ..\zlib or [-.zlib]),
- and similarly for the pngbook build.
-
- Note that all three packages are designed to be built from a command
- line by default; those who wish to use a graphical or other integrated
- development environments are on their own.
-
-
- - Unix:
-
- Unpack the latest pngbook sources (which should correspond to this
- README file) into a directory and change into that directory.
-
- Copy Makefile.unx to Makefile and edit the PNG* and Z* variables
- appropriately (possibly also the X* variables if necessary).
-
- make
-
- There is no "install" target, so copy the three executables somewhere
- in your path or run them from the current directory. All three will
- print a basic usage screen when run without any command-line arguments;
- see the book for more details.
-
-
- - Windows:
-
- Unpack the latest pngbook sources (which should correspond to this
- README file) into a folder, open a "DOS shell" or "command prompt"
- or equivalent command-line window, and cd into the folder where you
- unpacked the source code.
-
- For MSVC, set up the necessary environment variables by invoking
-
- %devstudio%\vc\bin\vcvars32.bat
-
- where where %devstudio% is the installation directory for MSVC /
- DevStudio. If you get "environment out of space" errors under 95/98,
- create a desktop shortcut with "c:\windows\command.com /e:4096" as
- the program command line and set the working directory to the pngbook
- directory. Then double-click to open the new DOS-prompt window with
- a bigger environment and retry the commands above.
-
- Copy Makefile.w32 to Makefile and edit the PNGPATH and ZPATH variables
- appropriately (possibly also the "INC" and "LIB" variables if needed).
- Note that the names of the dynamic and static libpng and zlib libraries
- used in the makefile may change in later releases of the libraries.
- Also note that, as of libpng version 1.0.5, MSVC DLL builds do not work.
- This makefile therefore builds statically linked executables, but if
- the DLL problems ever get fixed, uncommenting the appropriate PNGLIB
- and ZLIB lines will build dynamically linked executables instead.
-
- Do the build by typing
-
- nmake
-
- The result should be three executables: rpng-win.exe, rpng2-win.exe,
- and wpng.exe. Copy them somewhere in your PATH or run them from the
- current folder. Like the Unix versions, the two windowed programs
- (rpng and rpng2) now display a usage screen in a console window when
- invoked without command-line arguments; this is new behavior as of
- the June 2001 release. Note that the programs use the Unix-style "-"
- character to specify options, instead of the more common DOS/Windows
- "/" character. (For example: "rpng2-win -bgpat 4 foo.png", not
- "rpng2-win /bgpat 4 foo.png")
-
-
- - OpenVMS:
-
- Unpack the pngbook sources into a subdirectory and change into that
- subdirectory.
-
- Edit makevms.com appropriately, specifically the zpath and pngpath
- variables.
-
- @makevms
-
- To run the programs, they probably first need to be set up as "foreign
- symbols," with "disk" and "dir" set appropriately:
-
- $ rpng == "$disk:[dir]rpng-x.exe"
- $ rpng2 == "$disk:[dir]rpng2-x.exe"
- $ wpng == "$disk:[dir]wpng.exe"
-
- All three will print a basic usage screen when run without any command-
- line arguments; see the book for more details. Note that the options
- style is Unix-like, i.e., preceded by "-" rather than "/".
-
-
-RUNNING THE PROGRAMS: (VERY) BRIEF INTRO
-
- rpng is a simple PNG viewer that can display transparent PNGs with a
- specified background color; for example,
-
- rpng -bgcolor #ff0000 toucan.png
-
- would display the image with a red background. rpng2 is a progressive
- viewer that simulates a web browser in some respects; it can display
- images against either a background color or a dynamically generated
- background image. For example:
-
- rpng2 -bgpat 16 toucan.png
-
- wpng is a purely command-line image converter from binary PBMPLUS/NetPBM
- format (.pgm or .ppm) to PNG; for example,
-
- wpng -time < toucan-notrans.ppm > toucan-notrans.png
-
- would convert the specified PPM file (using redirection) to PNG, auto-
- matically setting the PNG modification-time chunk.
-
- All options can be abbreviated to the shortest unique value; for example,
- "-bgc" for -bgcolor (versus "-bgp" for -bgpat), or "-g" for -gamma.
+++ /dev/null
-$!------------------------------------------------------------------------------
-$! make "PNG: The Definitive Guide" demo programs (for X) under OpenVMS
-$!
-$! Script created by Martin Zinser for libpng; modified by Greg Roelofs
-$! for standalone pngbook source distribution.
-$!
-$!
-$! Set locations where zlib and libpng sources live.
-$!
-$ zpath = ""
-$ pngpath = ""
-$!
-$ if f$search("[---.zlib]zlib.h").nes."" then zpath = "[---.zlib]"
-$ if f$search("[--]png.h").nes."" then pngpath = "[--]"
-$!
-$ if f$search("[-.zlib]zlib.h").nes."" then zpath = "[-.zlib]"
-$ if f$search("[-.libpng]png.h").nes."" then pngpath = "[-.libpng]"
-$!
-$ if zpath .eqs. ""
-$ then
-$ write sys$output "zlib include not found. Exiting..."
-$ exit 2
-$ endif
-$!
-$ if pngpath .eqs. ""
-$ then
-$ write sys$output "libpng include not found. Exiting..."
-$ exit 2
-$ endif
-$!
-$! Look for the compiler used.
-$!
-$ ccopt="/include=(''zpath',''pngpath')"
-$ if f$getsyi("HW_MODEL").ge.1024
-$ then
-$ ccopt = "/prefix=all"+ccopt
-$ comp = "__decc__=1"
-$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
-$ else
-$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs.""
-$ then
-$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
-$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs.""
-$ then
-$ comp = "__gcc__=1"
-$ CC :== GCC
-$ else
-$ comp = "__vaxc__=1"
-$ endif
-$ else
-$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include:
-$ ccopt = "/decc/prefix=all"+ccopt
-$ comp = "__decc__=1"
-$ endif
-$ endif
-$ open/write lopt lib.opt
-$ write lopt "''pngpath'libpng.olb/lib"
-$ write lopt "''zpath'libz.olb/lib"
-$ close lopt
-$ open/write xopt x11.opt
-$ write xopt "sys$library:decw$xlibshr.exe/share"
-$ close xopt
-$!
-$! Build 'em.
-$!
-$ write sys$output "Compiling PNG book programs ..."
-$ CALL MAKE readpng.OBJ "cc ''CCOPT' readpng" -
- readpng.c readpng.h
-$ CALL MAKE readpng2.OBJ "cc ''CCOPT' readpng2" -
- readpng2.c readpng2.h
-$ CALL MAKE writepng.OBJ "cc ''CCOPT' writepng" -
- writepng.c writepng.h
-$ write sys$output "Building rpng-x..."
-$ CALL MAKE rpng-x.OBJ "cc ''CCOPT' rpng-x" -
- rpng-x.c readpng.h
-$ call make rpng-x.exe -
- "LINK rpng-x,readpng,lib.opt/opt,x11.opt/opt" -
- rpng-x.obj readpng.obj
-$ write sys$output "Building rpng2-x..."
-$ CALL MAKE rpng2-x.OBJ "cc ''CCOPT' rpng2-x" -
- rpng2-x.c readpng2.h
-$ call make rpng2-x.exe -
- "LINK rpng2-x,readpng2,lib.opt/opt,x11.opt/opt" -
- rpng2-x.obj readpng2.obj
-$ write sys$output "Building wpng..."
-$ CALL MAKE wpng.OBJ "cc ''CCOPT' wpng" -
- wpng.c writepng.h
-$ call make wpng.exe -
- "LINK wpng,writepng,lib.opt/opt" -
- wpng.obj writepng.obj
-$ exit
-$!
-$!
-$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES
-$ V = 'F$Verify(0)
-$! P1 = What we are trying to make
-$! P2 = Command to make it
-$! P3 - P8 What it depends on
-$
-$ If F$Search(P1) .Eqs. "" Then Goto Makeit
-$ Time = F$CvTime(F$File(P1,"RDT"))
-$arg=3
-$Loop:
-$ Argument = P'arg
-$ If Argument .Eqs. "" Then Goto Exit
-$ El=0
-$Loop2:
-$ File = F$Element(El," ",Argument)
-$ If File .Eqs. " " Then Goto Endl
-$ AFile = ""
-$Loop3:
-$ OFile = AFile
-$ AFile = F$Search(File)
-$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl
-$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit
-$ Goto Loop3
-$NextEL:
-$ El = El + 1
-$ Goto Loop2
-$EndL:
-$ arg=arg+1
-$ If arg .Le. 8 Then Goto Loop
-$ Goto Exit
-$
-$Makeit:
-$ VV=F$VERIFY(0)
-$ write sys$output P2
-$ 'P2
-$ VV='F$Verify(VV)
-$Exit:
-$ If V Then Set Verify
-$ENDSUBROUTINE
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng - simple PNG display program readpng.c
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "png.h" /* libpng header; includes zlib.h */
-#include "readpng.h" /* typedefs, common macros, public prototypes */
-
-/* future versions of libpng will provide this macro: */
-#ifndef png_jmpbuf
-# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
-#endif
-
-
-static png_structp png_ptr = NULL;
-static png_infop info_ptr = NULL;
-
-png_uint_32 width, height;
-int bit_depth, color_type;
-uch *image_data = NULL;
-
-
-void readpng_version_info(void)
-{
- fprintf(stderr, " Compiled with libpng %s; using libpng %s.\n",
- PNG_LIBPNG_VER_STRING, png_libpng_ver);
- fprintf(stderr, " Compiled with zlib %s; using zlib %s.\n",
- ZLIB_VERSION, zlib_version);
-}
-
-
-/* return value = 0 for success, 1 for bad sig, 2 for bad IHDR, 4 for no mem */
-
-int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight)
-{
- uch sig[8];
-
-
- /* first do a quick check that the file really is a PNG image; could
- * have used slightly more general png_sig_cmp() function instead */
-
- fread(sig, 1, 8, infile);
- if (!png_check_sig(sig, 8))
- return 1; /* bad signature */
-
-
- /* could pass pointers to user-defined error handlers instead of NULLs: */
-
- png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
- if (!png_ptr)
- return 4; /* out of memory */
-
- info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr) {
- png_destroy_read_struct(&png_ptr, NULL, NULL);
- return 4; /* out of memory */
- }
-
-
- /* we could create a second info struct here (end_info), but it's only
- * useful if we want to keep pre- and post-IDAT chunk info separated
- * (mainly for PNG-aware image editors and converters) */
-
-
- /* setjmp() must be called in every function that calls a PNG-reading
- * libpng function */
-
- if (setjmp(png_jmpbuf(png_ptr))) {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- return 2;
- }
-
-
- png_init_io(png_ptr, infile);
- png_set_sig_bytes(png_ptr, 8); /* we already read the 8 signature bytes */
-
- png_read_info(png_ptr, info_ptr); /* read all PNG info up to image data */
-
-
- /* alternatively, could make separate calls to png_get_image_width(),
- * etc., but want bit_depth and color_type for later [don't care about
- * compression_type and filter_type => NULLs] */
-
- png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
- NULL, NULL, NULL);
- *pWidth = width;
- *pHeight = height;
-
-
- /* OK, that's all we need for now; return happy */
-
- return 0;
-}
-
-
-
-
-/* returns 0 if succeeds, 1 if fails due to no bKGD chunk, 2 if libpng error;
- * scales values to 8-bit if necessary */
-
-int readpng_get_bgcolor(uch *red, uch *green, uch *blue)
-{
- png_color_16p pBackground;
-
-
- /* setjmp() must be called in every function that calls a PNG-reading
- * libpng function */
-
- if (setjmp(png_jmpbuf(png_ptr))) {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- return 2;
- }
-
-
- if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD))
- return 1;
-
- /* it is not obvious from the libpng documentation, but this function
- * takes a pointer to a pointer, and it always returns valid red, green
- * and blue values, regardless of color_type: */
-
- png_get_bKGD(png_ptr, info_ptr, &pBackground);
-
-
- /* however, it always returns the raw bKGD data, regardless of any
- * bit-depth transformations, so check depth and adjust if necessary */
-
- if (bit_depth == 16) {
- *red = pBackground->red >> 8;
- *green = pBackground->green >> 8;
- *blue = pBackground->blue >> 8;
- } else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) {
- if (bit_depth == 1)
- *red = *green = *blue = pBackground->gray? 255 : 0;
- else if (bit_depth == 2)
- *red = *green = *blue = (255/3) * pBackground->gray;
- else /* bit_depth == 4 */
- *red = *green = *blue = (255/15) * pBackground->gray;
- } else {
- *red = (uch)pBackground->red;
- *green = (uch)pBackground->green;
- *blue = (uch)pBackground->blue;
- }
-
- return 0;
-}
-
-
-
-
-/* display_exponent == LUT_exponent * CRT_exponent */
-
-uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)
-{
- double gamma;
- png_uint_32 i, rowbytes;
- png_bytepp row_pointers = NULL;
-
-
- /* setjmp() must be called in every function that calls a PNG-reading
- * libpng function */
-
- if (setjmp(png_jmpbuf(png_ptr))) {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- return NULL;
- }
-
-
- /* expand palette images to RGB, low-bit-depth grayscale images to 8 bits,
- * transparency chunks to full alpha channel; strip 16-bit-per-sample
- * images to 8 bits per sample; and convert grayscale to RGB[A] */
-
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- png_set_expand(png_ptr);
- if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
- png_set_expand(png_ptr);
- if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
- png_set_expand(png_ptr);
- if (bit_depth == 16)
- png_set_strip_16(png_ptr);
- if (color_type == PNG_COLOR_TYPE_GRAY ||
- color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- png_set_gray_to_rgb(png_ptr);
-
-
- /* unlike the example in the libpng documentation, we have *no* idea where
- * this file may have come from--so if it doesn't have a file gamma, don't
- * do any correction ("do no harm") */
-
- if (png_get_gAMA(png_ptr, info_ptr, &gamma))
- png_set_gamma(png_ptr, display_exponent, gamma);
-
-
- /* all transformations have been registered; now update info_ptr data,
- * get rowbytes and channels, and allocate image memory */
-
- png_read_update_info(png_ptr, info_ptr);
-
- *pRowbytes = rowbytes = png_get_rowbytes(png_ptr, info_ptr);
- *pChannels = (int)png_get_channels(png_ptr, info_ptr);
-
- if ((image_data = (uch *)malloc(rowbytes*height)) == NULL) {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- return NULL;
- }
- if ((row_pointers = (png_bytepp)malloc(height*sizeof(png_bytep))) == NULL) {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- free(image_data);
- image_data = NULL;
- return NULL;
- }
-
- Trace((stderr, "readpng_get_image: channels = %d, rowbytes = %ld, height = %ld\n", *pChannels, rowbytes, height));
-
-
- /* set the individual row_pointers to point at the correct offsets */
-
- for (i = 0; i < height; ++i)
- row_pointers[i] = image_data + i*rowbytes;
-
-
- /* now we can go ahead and just read the whole image */
-
- png_read_image(png_ptr, row_pointers);
-
-
- /* and we're done! (png_read_end() can be omitted if no processing of
- * post-IDAT text/time/etc. is desired) */
-
- free(row_pointers);
- row_pointers = NULL;
-
- png_read_end(png_ptr, NULL);
-
- return image_data;
-}
-
-
-void readpng_cleanup(int free_image_data)
-{
- if (free_image_data && image_data) {
- free(image_data);
- image_data = NULL;
- }
-
- if (png_ptr && info_ptr) {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- png_ptr = NULL;
- info_ptr = NULL;
- }
-}
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng - simple PNG display program readpng.h
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#ifndef TRUE
-# define TRUE 1
-# define FALSE 0
-#endif
-
-#ifndef MAX
-# define MAX(a,b) ((a) > (b)? (a) : (b))
-# define MIN(a,b) ((a) < (b)? (a) : (b))
-#endif
-
-#ifdef DEBUG
-# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);}
-#else
-# define Trace(x) ;
-#endif
-
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-
-/* prototypes for public functions in readpng.c */
-
-void readpng_version_info(void);
-
-int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight);
-
-int readpng_get_bgcolor(uch *bg_red, uch *bg_green, uch *bg_blue);
-
-uch *readpng_get_image(double display_exponent, int *pChannels,
- ulg *pRowbytes);
-
-void readpng_cleanup(int free_image_data);
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng2 - progressive-model PNG display program readpng2.c
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-
-#include <stdlib.h> /* for exit() prototype */
-
-#include "png.h" /* libpng header; includes zlib.h and setjmp.h */
-#include "readpng2.h" /* typedefs, common macros, public prototypes */
-
-
-/* local prototypes */
-
-static void readpng2_info_callback(png_structp png_ptr, png_infop info_ptr);
-static void readpng2_row_callback(png_structp png_ptr, png_bytep new_row,
- png_uint_32 row_num, int pass);
-static void readpng2_end_callback(png_structp png_ptr, png_infop info_ptr);
-static void readpng2_error_handler(png_structp png_ptr, png_const_charp msg);
-
-
-
-
-void readpng2_version_info(void)
-{
-#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \
- (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) && \
- defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
- /*
- * WARNING: This preprocessor approach means that the following code
- * cannot be used with a libpng DLL older than 1.2.0--the
- * compiled-in symbols for the new functions will not exist.
- * (Could use dlopen() and dlsym() on Unix and corresponding
- * calls for Windows, but not portable...)
- */
- {
- int mmxsupport = png_mmx_support();
- if (mmxsupport < 0)
- fprintf(stderr, " Compiled with libpng %s; using libpng %s "
- "without MMX support.\n", PNG_LIBPNG_VER_STRING, png_libpng_ver);
- else {
- int compilerID;
- png_uint_32 mmx_mask = png_get_mmx_flagmask(
- PNG_SELECT_READ | PNG_SELECT_WRITE, &compilerID);
-
- fprintf(stderr, " Compiled with libpng %s; using libpng %s "
- "with MMX support\n (%s version).", PNG_LIBPNG_VER_STRING,
- png_libpng_ver, compilerID == 1? "MSVC++" :
- (compilerID == 2? "GNU C" : "unknown"));
- fprintf(stderr, " Processor (x86%s) %s MMX instructions.\n",
-#if defined(__x86_64__)
- "_64",
-#else
- "",
-#endif
- mmxsupport? "supports" : "does not support");
- if (mmxsupport > 0) {
- int num_optims = 0;
-
- fprintf(stderr,
- " Potential MMX optimizations supported by libpng:\n");
- if (mmx_mask & PNG_ASM_FLAG_MMX_READ_FILTER_SUB)
- ++num_optims;
- if (mmx_mask & PNG_ASM_FLAG_MMX_READ_FILTER_UP)
- ++num_optims;
- if (mmx_mask & PNG_ASM_FLAG_MMX_READ_FILTER_AVG)
- ++num_optims;
- if (mmx_mask & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH)
- ++num_optims;
- if (num_optims)
- fprintf(stderr,
- " decoding %s row filters (reading)\n",
- (num_optims == 4)? "all non-trivial" : "some");
- if (mmx_mask & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW) {
- fprintf(stderr, " combining rows (reading)\n");
- ++num_optims;
- }
- if (mmx_mask & PNG_ASM_FLAG_MMX_READ_INTERLACE) {
- fprintf(stderr,
- " expanding interlacing (reading)\n");
- ++num_optims;
- }
- mmx_mask &= ~( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \
- | PNG_ASM_FLAG_MMX_READ_INTERLACE \
- | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
- | PNG_ASM_FLAG_MMX_READ_FILTER_UP \
- | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
- | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH );
- if (mmx_mask) {
- fprintf(stderr, " other (unknown)\n");
- ++num_optims;
- }
- if (num_optims == 0)
- fprintf(stderr, " (none)\n");
- }
- }
- }
-#else
- fprintf(stderr, " Compiled with libpng %s; using libpng %s "
- "without MMX support.\n", PNG_LIBPNG_VER_STRING, png_libpng_ver);
-#endif
-
- fprintf(stderr, " Compiled with zlib %s; using zlib %s.\n",
- ZLIB_VERSION, zlib_version);
-}
-
-
-
-
-int readpng2_check_sig(uch *sig, int num)
-{
- return png_check_sig(sig, num);
-}
-
-
-
-
-/* returns 0 for success, 2 for libpng problem, 4 for out of memory */
-
-int readpng2_init(mainprog_info *mainprog_ptr)
-{
- png_structp png_ptr; /* note: temporary variables! */
- png_infop info_ptr;
-
-
- /* could also replace libpng warning-handler (final NULL), but no need: */
-
- png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, mainprog_ptr,
- readpng2_error_handler, NULL);
- if (!png_ptr)
- return 4; /* out of memory */
-
- info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr) {
- png_destroy_read_struct(&png_ptr, NULL, NULL);
- return 4; /* out of memory */
- }
-
-
- /* we could create a second info struct here (end_info), but it's only
- * useful if we want to keep pre- and post-IDAT chunk info separated
- * (mainly for PNG-aware image editors and converters) */
-
-
- /* setjmp() must be called in every function that calls a PNG-reading
- * libpng function, unless an alternate error handler was installed--
- * but compatible error handlers must either use longjmp() themselves
- * (as in this program) or exit immediately, so here we are: */
-
- if (setjmp(mainprog_ptr->jmpbuf)) {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- return 2;
- }
-
-
-#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
- /* prepare the reader to ignore all recognized chunks whose data won't be
- * used, i.e., all chunks recognized by libpng except for IHDR, PLTE, IDAT,
- * IEND, tRNS, bKGD, gAMA, and sRGB (small performance improvement) */
- {
- /* These byte strings were copied from png.h. If a future libpng
- * version recognizes more chunks, add them to this list. If a
- * future version of readpng2.c recognizes more chunks, delete them
- * from this list. */
- static const png_byte chunks_to_ignore[] = {
- 99, 72, 82, 77, '\0', /* cHRM */
- 104, 73, 83, 84, '\0', /* hIST */
- 105, 67, 67, 80, '\0', /* iCCP */
- 105, 84, 88, 116, '\0', /* iTXt */
- 111, 70, 70, 115, '\0', /* oFFs */
- 112, 67, 65, 76, '\0', /* pCAL */
- 112, 72, 89, 115, '\0', /* pHYs */
- 115, 66, 73, 84, '\0', /* sBIT */
- 115, 67, 65, 76, '\0', /* sCAL */
- 115, 80, 76, 84, '\0', /* sPLT */
- 115, 84, 69, 82, '\0', /* sTER */
- 116, 69, 88, 116, '\0', /* tEXt */
- 116, 73, 77, 69, '\0', /* tIME */
- 122, 84, 88, 116, '\0' /* zTXt */
- };
-
- png_set_keep_unknown_chunks(png_ptr, 1 /* PNG_HANDLE_CHUNK_NEVER */,
- chunks_to_ignore, sizeof(chunks_to_ignore)/5);
- }
-#endif /* PNG_UNKNOWN_CHUNKS_SUPPORTED */
-
-
- /* instead of doing png_init_io() here, now we set up our callback
- * functions for progressive decoding */
-
- png_set_progressive_read_fn(png_ptr, mainprog_ptr,
- readpng2_info_callback, readpng2_row_callback, readpng2_end_callback);
-
-
- /*
- * may as well enable or disable MMX routines here, if supported;
- *
- * to enable all: mask = png_get_mmx_flagmask (
- * PNG_SELECT_READ | PNG_SELECT_WRITE, &compilerID);
- * flags = png_get_asm_flags (png_ptr);
- * flags |= mask;
- * png_set_asm_flags (png_ptr, flags);
- *
- * to disable all: mask = png_get_mmx_flagmask (
- * PNG_SELECT_READ | PNG_SELECT_WRITE, &compilerID);
- * flags = png_get_asm_flags (png_ptr);
- * flags &= ~mask;
- * png_set_asm_flags (png_ptr, flags);
- */
-
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) && \
- defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
- /*
- * WARNING: This preprocessor approach means that the following code
- * cannot be used with a libpng DLL older than 1.2.0--the
- * compiled-in symbols for the new functions will not exist.
- * (Could use dlopen() and dlsym() on Unix and corresponding
- * calls for Windows, but not portable...)
- */
- {
-#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
- png_uint_32 mmx_disable_mask = 0;
- png_uint_32 asm_flags, mmx_mask;
- int compilerID;
-
- if (mainprog_ptr->nommxfilters)
- mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
- | PNG_ASM_FLAG_MMX_READ_FILTER_UP \
- | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
- | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH );
- if (mainprog_ptr->nommxcombine)
- mmx_disable_mask |= PNG_ASM_FLAG_MMX_READ_COMBINE_ROW;
- if (mainprog_ptr->nommxinterlace)
- mmx_disable_mask |= PNG_ASM_FLAG_MMX_READ_INTERLACE;
- asm_flags = png_get_asm_flags(png_ptr);
- png_set_asm_flags(png_ptr, asm_flags & ~mmx_disable_mask);
-
-
- /* Now query libpng's asm settings, just for yuks. Note that this
- * differs from the querying of its *potential* MMX capabilities
- * in readpng2_version_info(); this is true runtime verification. */
-
- asm_flags = png_get_asm_flags(png_ptr);
- mmx_mask = png_get_mmx_flagmask(PNG_SELECT_READ | PNG_SELECT_WRITE,
- &compilerID);
- if (asm_flags & PNG_ASM_FLAG_MMX_SUPPORT_COMPILED)
- fprintf(stderr,
- " MMX support (%s version) is compiled into libpng\n",
- compilerID == 1? "MSVC++" :
- (compilerID == 2? "GNU C" : "unknown"));
- else
- fprintf(stderr, " MMX support is not compiled into libpng\n");
- fprintf(stderr, " MMX instructions are %ssupported by CPU\n",
- (asm_flags & PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU)? "" : "not ");
- fprintf(stderr, " MMX read support for combining rows is %sabled\n",
- (asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)? "en" : "dis");
- fprintf(stderr,
- " MMX read support for expanding interlacing is %sabled\n",
- (asm_flags & PNG_ASM_FLAG_MMX_READ_INTERLACE)? "en" : "dis");
- fprintf(stderr, " MMX read support for \"sub\" filter is %sabled\n",
- (asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_SUB)? "en" : "dis");
- fprintf(stderr, " MMX read support for \"up\" filter is %sabled\n",
- (asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_UP)? "en" : "dis");
- fprintf(stderr, " MMX read support for \"avg\" filter is %sabled\n",
- (asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_AVG)? "en" : "dis");
- fprintf(stderr, " MMX read support for \"Paeth\" filter is %sabled\n",
- (asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH)? "en" : "dis");
- asm_flags &= (mmx_mask & ~( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \
- | PNG_ASM_FLAG_MMX_READ_INTERLACE \
- | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
- | PNG_ASM_FLAG_MMX_READ_FILTER_UP \
- | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
- | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ));
- if (asm_flags)
- fprintf(stderr,
- " additional MMX support is also enabled (0x%02lx)\n",
- asm_flags);
-#else /* !PNG_ASSEMBLER_CODE_SUPPORTED */
- fprintf(stderr, " MMX querying is disabled in libpng.\n");
-#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
- }
-#endif
-
-
- /* make sure we save our pointers for use in readpng2_decode_data() */
-
- mainprog_ptr->png_ptr = png_ptr;
- mainprog_ptr->info_ptr = info_ptr;
-
-
- /* and that's all there is to initialization */
-
- return 0;
-}
-
-
-
-
-/* returns 0 for success, 2 for libpng (longjmp) problem */
-
-int readpng2_decode_data(mainprog_info *mainprog_ptr, uch *rawbuf, ulg length)
-{
- png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
- png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
-
-
- /* setjmp() must be called in every function that calls a PNG-reading
- * libpng function */
-
- if (setjmp(mainprog_ptr->jmpbuf)) {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- mainprog_ptr->png_ptr = NULL;
- mainprog_ptr->info_ptr = NULL;
- return 2;
- }
-
-
- /* hand off the next chunk of input data to libpng for decoding */
-
- png_process_data(png_ptr, info_ptr, rawbuf, length);
-
- return 0;
-}
-
-
-
-
-static void readpng2_info_callback(png_structp png_ptr, png_infop info_ptr)
-{
- mainprog_info *mainprog_ptr;
- int color_type, bit_depth;
- double gamma;
-
-
- /* setjmp() doesn't make sense here, because we'd either have to exit(),
- * longjmp() ourselves, or return control to libpng, which doesn't want
- * to see us again. By not doing anything here, libpng will instead jump
- * to readpng2_decode_data(), which can return an error value to the main
- * program. */
-
-
- /* retrieve the pointer to our special-purpose struct, using the png_ptr
- * that libpng passed back to us (i.e., not a global this time--there's
- * no real difference for a single image, but for a multithreaded browser
- * decoding several PNG images at the same time, one needs to avoid mixing
- * up different images' structs) */
-
- mainprog_ptr = png_get_progressive_ptr(png_ptr);
-
- if (mainprog_ptr == NULL) { /* we be hosed */
- fprintf(stderr,
- "readpng2 error: main struct not recoverable in info_callback.\n");
- fflush(stderr);
- return;
- /*
- * Alternatively, we could call our error-handler just like libpng
- * does, which would effectively terminate the program. Since this
- * can only happen if png_ptr gets redirected somewhere odd or the
- * main PNG struct gets wiped, we're probably toast anyway. (If
- * png_ptr itself is NULL, we would not have been called.)
- */
- }
-
-
- /* this is just like in the non-progressive case */
-
- png_get_IHDR(png_ptr, info_ptr, &mainprog_ptr->width,
- &mainprog_ptr->height, &bit_depth, &color_type, NULL, NULL, NULL);
-
-
- /* since we know we've read all of the PNG file's "header" (i.e., up
- * to IDAT), we can check for a background color here */
-
- if (mainprog_ptr->need_bgcolor &&
- png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD))
- {
- png_color_16p pBackground;
-
- /* it is not obvious from the libpng documentation, but this function
- * takes a pointer to a pointer, and it always returns valid red,
- * green and blue values, regardless of color_type: */
- png_get_bKGD(png_ptr, info_ptr, &pBackground);
-
- /* however, it always returns the raw bKGD data, regardless of any
- * bit-depth transformations, so check depth and adjust if necessary */
- if (bit_depth == 16) {
- mainprog_ptr->bg_red = pBackground->red >> 8;
- mainprog_ptr->bg_green = pBackground->green >> 8;
- mainprog_ptr->bg_blue = pBackground->blue >> 8;
- } else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) {
- if (bit_depth == 1)
- mainprog_ptr->bg_red = mainprog_ptr->bg_green =
- mainprog_ptr->bg_blue = pBackground->gray? 255 : 0;
- else if (bit_depth == 2)
- mainprog_ptr->bg_red = mainprog_ptr->bg_green =
- mainprog_ptr->bg_blue = (255/3) * pBackground->gray;
- else /* bit_depth == 4 */
- mainprog_ptr->bg_red = mainprog_ptr->bg_green =
- mainprog_ptr->bg_blue = (255/15) * pBackground->gray;
- } else {
- mainprog_ptr->bg_red = (uch)pBackground->red;
- mainprog_ptr->bg_green = (uch)pBackground->green;
- mainprog_ptr->bg_blue = (uch)pBackground->blue;
- }
- }
-
-
- /* as before, let libpng expand palette images to RGB, low-bit-depth
- * grayscale images to 8 bits, transparency chunks to full alpha channel;
- * strip 16-bit-per-sample images to 8 bits per sample; and convert
- * grayscale to RGB[A] */
-
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- png_set_expand(png_ptr);
- if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
- png_set_expand(png_ptr);
- if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
- png_set_expand(png_ptr);
- if (bit_depth == 16)
- png_set_strip_16(png_ptr);
- if (color_type == PNG_COLOR_TYPE_GRAY ||
- color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- png_set_gray_to_rgb(png_ptr);
-
-
- /* Unlike the basic viewer, which was designed to operate on local files,
- * this program is intended to simulate a web browser--even though we
- * actually read from a local file, too. But because we are pretending
- * that most of the images originate on the Internet, we follow the recom-
- * mendation of the sRGB proposal and treat unlabelled images (no gAMA
- * chunk) as existing in the sRGB color space. That is, we assume that
- * such images have a file gamma of 0.45455, which corresponds to a PC-like
- * display system. This change in assumptions will have no effect on a
- * PC-like system, but on a Mac, SGI, NeXT or other system with a non-
- * identity lookup table, it will darken unlabelled images, which effec-
- * tively favors images from PC-like systems over those originating on
- * the local platform. Note that mainprog_ptr->display_exponent is the
- * "gamma" value for the entire display system, i.e., the product of
- * LUT_exponent and CRT_exponent. */
-
- if (png_get_gAMA(png_ptr, info_ptr, &gamma))
- png_set_gamma(png_ptr, mainprog_ptr->display_exponent, gamma);
- else
- png_set_gamma(png_ptr, mainprog_ptr->display_exponent, 0.45455);
-
-
- /* we'll let libpng expand interlaced images, too */
-
- mainprog_ptr->passes = png_set_interlace_handling(png_ptr);
-
-
- /* all transformations have been registered; now update info_ptr data and
- * then get rowbytes and channels */
-
- png_read_update_info(png_ptr, info_ptr);
-
- mainprog_ptr->rowbytes = (int)png_get_rowbytes(png_ptr, info_ptr);
- mainprog_ptr->channels = png_get_channels(png_ptr, info_ptr);
-
-
- /* Call the main program to allocate memory for the image buffer and
- * initialize windows and whatnot. (The old-style function-pointer
- * invocation is used for compatibility with a few supposedly ANSI
- * compilers that nevertheless barf on "fn_ptr()"-style syntax.) */
-
- (*mainprog_ptr->mainprog_init)();
-
-
- /* and that takes care of initialization */
-
- return;
-}
-
-
-
-
-
-static void readpng2_row_callback(png_structp png_ptr, png_bytep new_row,
- png_uint_32 row_num, int pass)
-{
- mainprog_info *mainprog_ptr;
-
-
- /* first check whether the row differs from the previous pass; if not,
- * nothing to combine or display */
-
- if (!new_row)
- return;
-
-
- /* retrieve the pointer to our special-purpose struct so we can access
- * the old rows and image-display callback function */
-
- mainprog_ptr = png_get_progressive_ptr(png_ptr);
-
-
- /* save the pass number for optional use by the front end */
-
- mainprog_ptr->pass = pass;
-
-
- /* have libpng either combine the new row data with the existing row data
- * from previous passes (if interlaced) or else just copy the new row
- * into the main program's image buffer */
-
- png_progressive_combine_row(png_ptr, mainprog_ptr->row_pointers[row_num],
- new_row);
-
-
- /* finally, call the display routine in the main program with the number
- * of the row we just updated */
-
- (*mainprog_ptr->mainprog_display_row)(row_num);
-
-
- /* and we're ready for more */
-
- return;
-}
-
-
-
-
-
-static void readpng2_end_callback(png_structp png_ptr, png_infop info_ptr)
-{
- mainprog_info *mainprog_ptr;
-
-
- /* retrieve the pointer to our special-purpose struct */
-
- mainprog_ptr = png_get_progressive_ptr(png_ptr);
-
-
- /* let the main program know that it should flush any buffered image
- * data to the display now and set a "done" flag or whatever, but note
- * that it SHOULD NOT DESTROY THE PNG STRUCTS YET--in other words, do
- * NOT call readpng2_cleanup() either here or in the finish_display()
- * routine; wait until control returns to the main program via
- * readpng2_decode_data() */
-
- (*mainprog_ptr->mainprog_finish_display)();
-
-
- /* all done */
-
- return;
-}
-
-
-
-
-
-void readpng2_cleanup(mainprog_info *mainprog_ptr)
-{
- png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
- png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
-
- if (png_ptr && info_ptr)
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
-
- mainprog_ptr->png_ptr = NULL;
- mainprog_ptr->info_ptr = NULL;
-}
-
-
-
-
-
-static void readpng2_error_handler(png_structp png_ptr, png_const_charp msg)
-{
- mainprog_info *mainprog_ptr;
-
- /* This function, aside from the extra step of retrieving the "error
- * pointer" (below) and the fact that it exists within the application
- * rather than within libpng, is essentially identical to libpng's
- * default error handler. The second point is critical: since both
- * setjmp() and longjmp() are called from the same code, they are
- * guaranteed to have compatible notions of how big a jmp_buf is,
- * regardless of whether _BSD_SOURCE or anything else has (or has not)
- * been defined. */
-
- fprintf(stderr, "readpng2 libpng error: %s\n", msg);
- fflush(stderr);
-
- mainprog_ptr = png_get_error_ptr(png_ptr);
- if (mainprog_ptr == NULL) { /* we are completely hosed now */
- fprintf(stderr,
- "readpng2 severe error: jmpbuf not recoverable; terminating.\n");
- fflush(stderr);
- exit(99);
- }
-
- longjmp(mainprog_ptr->jmpbuf, 1);
-}
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng2 - progressive-model PNG display program readpng2.h
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#ifndef TRUE
-# define TRUE 1
-# define FALSE 0
-#endif
-
-#ifndef MAX
-# define MAX(a,b) ((a) > (b)? (a) : (b))
-# define MIN(a,b) ((a) < (b)? (a) : (b))
-#endif
-
-#ifdef DEBUG
-# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);}
-#else
-# define Trace(x) ;
-#endif
-
-enum rpng2_states {
- kPreInit = 0,
- kWindowInit,
- kDone
-};
-
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-typedef struct _mainprog_info {
- double display_exponent;
- ulg width;
- ulg height;
- void *png_ptr;
- void *info_ptr;
- void (*mainprog_init)(void);
- void (*mainprog_display_row)(ulg row_num);
- void (*mainprog_finish_display)(void);
- uch *image_data;
- uch **row_pointers;
- jmp_buf jmpbuf;
- int passes; /* not used */
- int pass;
- int rowbytes;
- int channels;
- int need_bgcolor;
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- int nommxfilters;
- int nommxcombine;
- int nommxinterlace;
-#endif
- int state;
- uch bg_red;
- uch bg_green;
- uch bg_blue;
-} mainprog_info;
-
-
-/* prototypes for public functions in readpng2.c */
-
-void readpng2_version_info(void);
-
-int readpng2_check_sig(uch *sig, int num);
-
-int readpng2_init(mainprog_info *mainprog_ptr);
-
-int readpng2_decode_data(mainprog_info *mainprog_ptr, uch *rawbuf, ulg length);
-
-void readpng2_cleanup(mainprog_info *mainprog_ptr);
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng - simple PNG display program readppm.c
-
- ---------------------------------------------------------------------------
-
- This is a special-purpose replacement for readpng.c that allows binary
- PPM files to be used in place of PNG images.
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "readpng.h" /* typedefs, common macros, public prototypes */
-
-
-ulg width, height;
-int bit_depth, color_type, channels;
-uch *image_data = NULL;
-FILE *saved_infile;
-
-
-void readpng_version_info()
-{
- fprintf(stderr, " Compiled without libpng, zlib or PBMPLUS/NetPBM.\n");
-}
-
-
-/* return value = 0 for success, 1 for bad sig, 2 for bad IHDR, 4 for no mem */
-
-int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight)
-{
- static uch ppmline[256];
- int maxval;
-
-
- saved_infile = infile;
-
- fgets(ppmline, 256, infile);
- if (ppmline[0] != 'P' || ppmline[1] != '6') {
- fprintf(stderr, "ERROR: not a PPM file\n");
- return 1;
- }
- /* possible color types: P5 = grayscale (0), P6 = RGB (2), P8 = RGBA (6) */
- if (ppmline[1] == '6') {
- color_type = 2;
- channels = 3;
- } else if (ppmline[1] == '8') {
- color_type = 6;
- channels = 4;
- } else /* if (ppmline[1] == '5') */ {
- color_type = 0;
- channels = 1;
- }
-
- do {
- fgets(ppmline, 256, infile);
- } while (ppmline[0] == '#');
- sscanf(ppmline, "%lu %lu", &width, &height);
-
- do {
- fgets(ppmline, 256, infile);
- } while (ppmline[0] == '#');
- sscanf(ppmline, "%d", &maxval);
- if (maxval != 255) {
- fprintf(stderr, "ERROR: maxval = %d\n", maxval);
- return 2;
- }
- bit_depth = 8;
-
- *pWidth = width;
- *pHeight = height;
-
- return 0;
-}
-
-
-
-
-/* returns 0 if succeeds, 1 if fails due to no bKGD chunk, 2 if libpng error;
- * scales values to 8-bit if necessary */
-
-int readpng_get_bgcolor(uch *red, uch *green, uch *blue)
-{
- return 1;
-}
-
-
-
-
-/* display_exponent == LUT_exponent * CRT_exponent */
-
-uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)
-{
- ulg rowbytes;
-
-
- /* expand palette images to RGB, low-bit-depth grayscale images to 8 bits,
- * transparency chunks to full alpha channel; strip 16-bit-per-sample
- * images to 8 bits per sample; and convert grayscale to RGB[A] */
-
- /* GRR WARNING: grayscale needs to be expanded and channels reset! */
-
- *pRowbytes = rowbytes = channels*width;
- *pChannels = channels;
-
- if ((image_data = (uch *)malloc(rowbytes*height)) == NULL) {
- return NULL;
- }
-
- Trace((stderr, "readpng_get_image: rowbytes = %ld, height = %ld\n", rowbytes, height));
-
-
- /* now we can go ahead and just read the whole image */
-
- fread(image_data, 1L, rowbytes*height, saved_infile);
-
-
- return image_data;
-}
-
-
-void readpng_cleanup(int free_image_data)
-{
- if (free_image_data && image_data) {
- free(image_data);
- image_data = NULL;
- }
-}
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng - simple PNG display program rpng-win.c
-
- This program decodes and displays PNG images, with gamma correction and
- optionally with a user-specified background color (in case the image has
- transparency). It is very nearly the most basic PNG viewer possible.
- This version is for 32-bit Windows; it may compile under 16-bit Windows
- with a little tweaking (or maybe not).
-
- to do:
- - handle quoted command-line args (especially filenames with spaces)
- - have minimum window width: oh well
- - use %.1023s to simplify truncation of title-bar string?
-
- ---------------------------------------------------------------------------
-
- Changelog:
- - 1.00: initial public release
- - 1.01: modified to allow abbreviated options; fixed long/ulong mis-
- match; switched to png_jmpbuf() macro
- - 1.02: added extra set of parentheses to png_jmpbuf() macro; fixed
- command-line parsing bug
- - 1.10: enabled "message window"/console (thanks to David Geldreich)
- - 2.00: dual-licensed (added GNU GPL)
- - 2.01: fixed improper display of usage screen on PNG error(s)
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#define PROGNAME "rpng-win"
-#define LONGNAME "Simple PNG Viewer for Windows"
-#define VERSION "2.01 of 16 March 2008"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <windows.h>
-#include <conio.h> /* only for _getch() */
-
-/* #define DEBUG : this enables the Trace() macros */
-
-#include "readpng.h" /* typedefs, common macros, readpng prototypes */
-
-
-/* could just include png.h, but this macro is the only thing we need
- * (name and typedefs changed to local versions); note that side effects
- * only happen with alpha (which could easily be avoided with
- * "ush acopy = (alpha);") */
-
-#define alpha_composite(composite, fg, alpha, bg) { \
- ush temp = ((ush)(fg)*(ush)(alpha) + \
- (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \
- (composite) = (uch)((temp + (temp >> 8)) >> 8); \
-}
-
-
-/* local prototypes */
-static int rpng_win_create_window(HINSTANCE hInst, int showmode);
-static int rpng_win_display_image(void);
-static void rpng_win_cleanup(void);
-LRESULT CALLBACK rpng_win_wndproc(HWND, UINT, WPARAM, LPARAM);
-
-
-static char titlebar[1024];
-static char *progname = PROGNAME;
-static char *appname = LONGNAME;
-static char *filename;
-static FILE *infile;
-
-static char *bgstr;
-static uch bg_red=0, bg_green=0, bg_blue=0;
-
-static double display_exponent;
-
-static ulg image_width, image_height, image_rowbytes;
-static int image_channels;
-static uch *image_data;
-
-/* Windows-specific variables */
-static ulg wimage_rowbytes;
-static uch *dib;
-static uch *wimage_data;
-static BITMAPINFOHEADER *bmih;
-
-static HWND global_hwnd;
-
-
-
-
-int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode)
-{
- char *args[1024]; /* arbitrary limit, but should suffice */
- char *p, *q, **argv = args;
- int argc = 0;
- int rc, alen, flen;
- int error = 0;
- int have_bg = FALSE;
- double LUT_exponent; /* just the lookup table */
- double CRT_exponent = 2.2; /* just the monitor */
- double default_display_exponent; /* whole display system */
- MSG msg;
-
-
- filename = (char *)NULL;
-
-
- /* First reenable console output, which normally goes to the bit bucket
- * for windowed apps. Closing the console window will terminate the
- * app. Thanks to David.Geldreich@realviz.com for supplying the magical
- * incantation. */
-
- AllocConsole();
- freopen("CONOUT$", "a", stderr);
- freopen("CONOUT$", "a", stdout);
-
-
- /* Next set the default value for our display-system exponent, i.e.,
- * the product of the CRT exponent and the exponent corresponding to
- * the frame-buffer's lookup table (LUT), if any. This is not an
- * exhaustive list of LUT values (e.g., OpenStep has a lot of weird
- * ones), but it should cover 99% of the current possibilities. And
- * yes, these ifdefs are completely wasted in a Windows program... */
-
-#if defined(NeXT)
- LUT_exponent = 1.0 / 2.2;
- /*
- if (some_next_function_that_returns_gamma(&next_gamma))
- LUT_exponent = 1.0 / next_gamma;
- */
-#elif defined(sgi)
- LUT_exponent = 1.0 / 1.7;
- /* there doesn't seem to be any documented function to get the
- * "gamma" value, so we do it the hard way */
- infile = fopen("/etc/config/system.glGammaVal", "r");
- if (infile) {
- double sgi_gamma;
-
- fgets(tmpline, 80, infile);
- fclose(infile);
- sgi_gamma = atof(tmpline);
- if (sgi_gamma > 0.0)
- LUT_exponent = 1.0 / sgi_gamma;
- }
-#elif defined(Macintosh)
- LUT_exponent = 1.8 / 2.61;
- /*
- if (some_mac_function_that_returns_gamma(&mac_gamma))
- LUT_exponent = mac_gamma / 2.61;
- */
-#else
- LUT_exponent = 1.0; /* assume no LUT: most PCs */
-#endif
-
- /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */
- default_display_exponent = LUT_exponent * CRT_exponent;
-
-
- /* If the user has set the SCREEN_GAMMA environment variable as suggested
- * (somewhat imprecisely) in the libpng documentation, use that; otherwise
- * use the default value we just calculated. Either way, the user may
- * override this via a command-line option. */
-
- if ((p = getenv("SCREEN_GAMMA")) != NULL)
- display_exponent = atof(p);
- else
- display_exponent = default_display_exponent;
-
-
- /* Windows really hates command lines, so we have to set up our own argv.
- * Note that we do NOT bother with quoted arguments here, so don't use
- * filenames with spaces in 'em! */
-
- argv[argc++] = PROGNAME;
- p = cmd;
- for (;;) {
- if (*p == ' ')
- while (*++p == ' ')
- ;
- /* now p points at the first non-space after some spaces */
- if (*p == '\0')
- break; /* nothing after the spaces: done */
- argv[argc++] = q = p;
- while (*q && *q != ' ')
- ++q;
- /* now q points at a space or the end of the string */
- if (*q == '\0')
- break; /* last argv already terminated; quit */
- *q = '\0'; /* change space to terminator */
- p = q + 1;
- }
- argv[argc] = NULL; /* terminate the argv array itself */
-
-
- /* Now parse the command line for options and the PNG filename. */
-
- while (*++argv && !error) {
- if (!strncmp(*argv, "-gamma", 2)) {
- if (!*++argv)
- ++error;
- else {
- display_exponent = atof(*argv);
- if (display_exponent <= 0.0)
- ++error;
- }
- } else if (!strncmp(*argv, "-bgcolor", 2)) {
- if (!*++argv)
- ++error;
- else {
- bgstr = *argv;
- if (strlen(bgstr) != 7 || bgstr[0] != '#')
- ++error;
- else
- have_bg = TRUE;
- }
- } else {
- if (**argv != '-') {
- filename = *argv;
- if (argv[1]) /* shouldn't be any more args after filename */
- ++error;
- } else
- ++error; /* not expecting any other options */
- }
- }
-
- if (!filename)
- ++error;
-
-
- /* print usage screen if any errors up to this point */
-
- if (error) {
- int ch;
-
- fprintf(stderr, "\n%s %s: %s\n\n", PROGNAME, VERSION, appname);
- readpng_version_info();
- fprintf(stderr, "\n"
- "Usage: %s [-gamma exp] [-bgcolor bg] file.png\n"
- " exp \ttransfer-function exponent (``gamma'') of the display\n"
- "\t\t system in floating-point format (e.g., ``%.1f''); equal\n"
- "\t\t to the product of the lookup-table exponent (varies)\n"
- "\t\t and the CRT exponent (usually 2.2); must be positive\n"
- " bg \tdesired background color in 7-character hex RGB format\n"
- "\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n"
- "\t\t used with transparent images\n"
- "\nPress Q, Esc or mouse button 1 after image is displayed to quit.\n"
- "Press Q or Esc to quit this usage screen.\n"
- "\n", PROGNAME, default_display_exponent);
- do
- ch = _getch();
- while (ch != 'q' && ch != 'Q' && ch != 0x1B);
- exit(1);
- }
-
-
- if (!(infile = fopen(filename, "rb"))) {
- fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename);
- ++error;
- } else {
- if ((rc = readpng_init(infile, &image_width, &image_height)) != 0) {
- switch (rc) {
- case 1:
- fprintf(stderr, PROGNAME
- ": [%s] is not a PNG file: incorrect signature\n",
- filename);
- break;
- case 2:
- fprintf(stderr, PROGNAME
- ": [%s] has bad IHDR (libpng longjmp)\n", filename);
- break;
- case 4:
- fprintf(stderr, PROGNAME ": insufficient memory\n");
- break;
- default:
- fprintf(stderr, PROGNAME
- ": unknown readpng_init() error\n");
- break;
- }
- ++error;
- }
- if (error)
- fclose(infile);
- }
-
-
- if (error) {
- int ch;
-
- fprintf(stderr, PROGNAME ": aborting.\n");
- do
- ch = _getch();
- while (ch != 'q' && ch != 'Q' && ch != 0x1B);
- exit(2);
- } else {
- fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname);
- fprintf(stderr,
- "\n [console window: closing this window will terminate %s]\n\n",
- PROGNAME);
- }
-
-
- /* set the title-bar string, but make sure buffer doesn't overflow */
-
- alen = strlen(appname);
- flen = strlen(filename);
- if (alen + flen + 3 > 1023)
- sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023));
- else
- sprintf(titlebar, "%s: %s", appname, filename);
-
-
- /* if the user didn't specify a background color on the command line,
- * check for one in the PNG file--if not, the initialized values of 0
- * (black) will be used */
-
- if (have_bg) {
- unsigned r, g, b; /* this approach quiets compiler warnings */
-
- sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b);
- bg_red = (uch)r;
- bg_green = (uch)g;
- bg_blue = (uch)b;
- } else if (readpng_get_bgcolor(&bg_red, &bg_green, &bg_blue) > 1) {
- readpng_cleanup(TRUE);
- fprintf(stderr, PROGNAME
- ": libpng error while checking for background color\n");
- exit(2);
- }
-
-
- /* do the basic Windows initialization stuff, make the window and fill it
- * with the background color */
-
- if (rpng_win_create_window(hInst, showmode))
- exit(2);
-
-
- /* decode the image, all at once */
-
- Trace((stderr, "calling readpng_get_image()\n"))
- image_data = readpng_get_image(display_exponent, &image_channels,
- &image_rowbytes);
- Trace((stderr, "done with readpng_get_image()\n"))
-
-
- /* done with PNG file, so clean up to minimize memory usage (but do NOT
- * nuke image_data!) */
-
- readpng_cleanup(FALSE);
- fclose(infile);
-
- if (!image_data) {
- fprintf(stderr, PROGNAME ": unable to decode PNG image\n");
- exit(3);
- }
-
-
- /* display image (composite with background if requested) */
-
- Trace((stderr, "calling rpng_win_display_image()\n"))
- if (rpng_win_display_image()) {
- free(image_data);
- exit(4);
- }
- Trace((stderr, "done with rpng_win_display_image()\n"))
-
-
- /* wait for the user to tell us when to quit */
-
- printf(
- "Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n");
- fflush(stdout);
-
- while (GetMessage(&msg, NULL, 0, 0)) {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
-
-
- /* OK, we're done: clean up all image and Windows resources and go away */
-
- rpng_win_cleanup();
-
- return msg.wParam;
-}
-
-
-
-
-
-static int rpng_win_create_window(HINSTANCE hInst, int showmode)
-{
- uch *dest;
- int extra_width, extra_height;
- ulg i, j;
- WNDCLASSEX wndclass;
-
-
-/*---------------------------------------------------------------------------
- Allocate memory for the display-specific version of the image (round up
- to multiple of 4 for Windows DIB).
- ---------------------------------------------------------------------------*/
-
- wimage_rowbytes = ((3*image_width + 3L) >> 2) << 2;
-
- if (!(dib = (uch *)malloc(sizeof(BITMAPINFOHEADER) +
- wimage_rowbytes*image_height)))
- {
- return 4; /* fail */
- }
-
-/*---------------------------------------------------------------------------
- Initialize the DIB. Negative height means to use top-down BMP ordering
- (must be uncompressed, but that's what we want). Bit count of 1, 4 or 8
- implies a colormap of RGBX quads, but 24-bit BMPs just use B,G,R values
- directly => wimage_data begins immediately after BMP header.
- ---------------------------------------------------------------------------*/
-
- memset(dib, 0, sizeof(BITMAPINFOHEADER));
- bmih = (BITMAPINFOHEADER *)dib;
- bmih->biSize = sizeof(BITMAPINFOHEADER);
- bmih->biWidth = image_width;
- bmih->biHeight = -((long)image_height);
- bmih->biPlanes = 1;
- bmih->biBitCount = 24;
- bmih->biCompression = 0;
- wimage_data = dib + sizeof(BITMAPINFOHEADER);
-
-/*---------------------------------------------------------------------------
- Fill in background color (black by default); data are in BGR order.
- ---------------------------------------------------------------------------*/
-
- for (j = 0; j < image_height; ++j) {
- dest = wimage_data + j*wimage_rowbytes;
- for (i = image_width; i > 0; --i) {
- *dest++ = bg_blue;
- *dest++ = bg_green;
- *dest++ = bg_red;
- }
- }
-
-/*---------------------------------------------------------------------------
- Set the window parameters.
- ---------------------------------------------------------------------------*/
-
- memset(&wndclass, 0, sizeof(wndclass));
-
- wndclass.cbSize = sizeof(wndclass);
- wndclass.style = CS_HREDRAW | CS_VREDRAW;
- wndclass.lpfnWndProc = rpng_win_wndproc;
- wndclass.hInstance = hInst;
- wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
- wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
- wndclass.hbrBackground = (HBRUSH)GetStockObject(DKGRAY_BRUSH);
- wndclass.lpszMenuName = NULL;
- wndclass.lpszClassName = progname;
- wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
-
- RegisterClassEx(&wndclass);
-
-/*---------------------------------------------------------------------------
- Finally, create the window.
- ---------------------------------------------------------------------------*/
-
- extra_width = 2*(GetSystemMetrics(SM_CXBORDER) +
- GetSystemMetrics(SM_CXDLGFRAME));
- extra_height = 2*(GetSystemMetrics(SM_CYBORDER) +
- GetSystemMetrics(SM_CYDLGFRAME)) +
- GetSystemMetrics(SM_CYCAPTION);
-
- global_hwnd = CreateWindow(progname, titlebar, WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT, CW_USEDEFAULT, image_width+extra_width,
- image_height+extra_height, NULL, NULL, hInst, NULL);
-
- ShowWindow(global_hwnd, showmode);
- UpdateWindow(global_hwnd);
-
- return 0;
-
-} /* end function rpng_win_create_window() */
-
-
-
-
-
-static int rpng_win_display_image()
-{
- uch *src, *dest;
- uch r, g, b, a;
- ulg i, row, lastrow;
- RECT rect;
-
-
- Trace((stderr, "beginning display loop (image_channels == %d)\n",
- image_channels))
- Trace((stderr, "(width = %ld, rowbytes = %ld, wimage_rowbytes = %d)\n",
- image_width, image_rowbytes, wimage_rowbytes))
-
-
-/*---------------------------------------------------------------------------
- Blast image data to buffer. This whole routine takes place before the
- message loop begins, so there's no real point in any pseudo-progressive
- display...
- ---------------------------------------------------------------------------*/
-
- for (lastrow = row = 0; row < image_height; ++row) {
- src = image_data + row*image_rowbytes;
- dest = wimage_data + row*wimage_rowbytes;
- if (image_channels == 3) {
- for (i = image_width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- *dest++ = b;
- *dest++ = g; /* note reverse order */
- *dest++ = r;
- }
- } else /* if (image_channels == 4) */ {
- for (i = image_width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- a = *src++;
- if (a == 255) {
- *dest++ = b;
- *dest++ = g;
- *dest++ = r;
- } else if (a == 0) {
- *dest++ = bg_blue;
- *dest++ = bg_green;
- *dest++ = bg_red;
- } else {
- /* this macro (copied from png.h) composites the
- * foreground and background values and puts the
- * result into the first argument; there are no
- * side effects with the first argument */
- alpha_composite(*dest++, b, a, bg_blue);
- alpha_composite(*dest++, g, a, bg_green);
- alpha_composite(*dest++, r, a, bg_red);
- }
- }
- }
- /* display after every 16 lines */
- if (((row+1) & 0xf) == 0) {
- rect.left = 0L;
- rect.top = (LONG)lastrow;
- rect.right = (LONG)image_width; /* possibly off by one? */
- rect.bottom = (LONG)lastrow + 16L; /* possibly off by one? */
- InvalidateRect(global_hwnd, &rect, FALSE);
- UpdateWindow(global_hwnd); /* similar to XFlush() */
- lastrow = row + 1;
- }
- }
-
- Trace((stderr, "calling final image-flush routine\n"))
- if (lastrow < image_height) {
- rect.left = 0L;
- rect.top = (LONG)lastrow;
- rect.right = (LONG)image_width; /* possibly off by one? */
- rect.bottom = (LONG)image_height; /* possibly off by one? */
- InvalidateRect(global_hwnd, &rect, FALSE);
- UpdateWindow(global_hwnd); /* similar to XFlush() */
- }
-
-/*
- last param determines whether or not background is wiped before paint
- InvalidateRect(global_hwnd, NULL, TRUE);
- UpdateWindow(global_hwnd);
- */
-
- return 0;
-}
-
-
-
-
-
-static void rpng_win_cleanup()
-{
- if (image_data) {
- free(image_data);
- image_data = NULL;
- }
-
- if (dib) {
- free(dib);
- dib = NULL;
- }
-}
-
-
-
-
-
-LRESULT CALLBACK rpng_win_wndproc(HWND hwnd, UINT iMsg, WPARAM wP, LPARAM lP)
-{
- HDC hdc;
- PAINTSTRUCT ps;
- int rc;
-
- switch (iMsg) {
- case WM_CREATE:
- /* one-time processing here, if any */
- return 0;
-
- case WM_PAINT:
- hdc = BeginPaint(hwnd, &ps);
- /* dest */
- rc = StretchDIBits(hdc, 0, 0, image_width, image_height,
- /* source */
- 0, 0, image_width, image_height,
- wimage_data, (BITMAPINFO *)bmih,
- /* iUsage: no clue */
- 0, SRCCOPY);
- EndPaint(hwnd, &ps);
- return 0;
-
- /* wait for the user to tell us when to quit */
- case WM_CHAR:
- switch (wP) { /* only need one, so ignore repeat count */
- case 'q':
- case 'Q':
- case 0x1B: /* Esc key */
- PostQuitMessage(0);
- }
- return 0;
-
- case WM_LBUTTONDOWN: /* another way of quitting */
- case WM_DESTROY:
- PostQuitMessage(0);
- return 0;
- }
-
- return DefWindowProc(hwnd, iMsg, wP, lP);
-}
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng - simple PNG display program rpng-x.c
-
- This program decodes and displays PNG images, with gamma correction and
- optionally with a user-specified background color (in case the image has
- transparency). It is very nearly the most basic PNG viewer possible.
- This version is for the X Window System (tested by author under Unix and
- by Martin Zinser under OpenVMS; may work under OS/2 with some tweaking).
-
- to do:
- - 8-bit (colormapped) X support
- - use %.1023s to simplify truncation of title-bar string?
-
- ---------------------------------------------------------------------------
-
- Changelog:
- - 1.01: initial public release
- - 1.02: modified to allow abbreviated options; fixed long/ulong mis-
- match; switched to png_jmpbuf() macro
- - 1.10: added support for non-default visuals; fixed X pixel-conversion
- - 1.11: added extra set of parentheses to png_jmpbuf() macro; fixed
- command-line parsing bug
- - 1.12: fixed some small X memory leaks (thanks to François Petitjean)
- - 1.13: fixed XFreeGC() crash bug (thanks to Patrick Welche)
- - 1.14: added support for X resources (thanks to Gerhard Niklasch)
- - 2.00: dual-licensed (added GNU GPL)
- - 2.01: fixed improper display of usage screen on PNG error(s)
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#define PROGNAME "rpng-x"
-#define LONGNAME "Simple PNG Viewer for X"
-#define VERSION "2.01 of 16 March 2008"
-#define RESNAME "rpng" /* our X resource application name */
-#define RESCLASS "Rpng" /* our X resource class name */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xos.h>
-#include <X11/keysym.h>
-
-/* #define DEBUG : this enables the Trace() macros */
-
-#include "readpng.h" /* typedefs, common macros, readpng prototypes */
-
-
-/* could just include png.h, but this macro is the only thing we need
- * (name and typedefs changed to local versions); note that side effects
- * only happen with alpha (which could easily be avoided with
- * "ush acopy = (alpha);") */
-
-#define alpha_composite(composite, fg, alpha, bg) { \
- ush temp = ((ush)(fg)*(ush)(alpha) + \
- (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \
- (composite) = (uch)((temp + (temp >> 8)) >> 8); \
-}
-
-
-/* local prototypes */
-static int rpng_x_create_window(void);
-static int rpng_x_display_image(void);
-static void rpng_x_cleanup(void);
-static int rpng_x_msb(ulg u32val);
-
-
-static char titlebar[1024], *window_name = titlebar;
-static char *appname = LONGNAME;
-static char *icon_name = PROGNAME;
-static char *res_name = RESNAME;
-static char *res_class = RESCLASS;
-static char *filename;
-static FILE *infile;
-
-static char *bgstr;
-static uch bg_red=0, bg_green=0, bg_blue=0;
-
-static double display_exponent;
-
-static ulg image_width, image_height, image_rowbytes;
-static int image_channels;
-static uch *image_data;
-
-/* X-specific variables */
-static char *displayname;
-static XImage *ximage;
-static Display *display;
-static int depth;
-static Visual *visual;
-static XVisualInfo *visual_list;
-static int RShift, GShift, BShift;
-static ulg RMask, GMask, BMask;
-static Window window;
-static GC gc;
-static Colormap colormap;
-
-static int have_nondefault_visual = FALSE;
-static int have_colormap = FALSE;
-static int have_window = FALSE;
-static int have_gc = FALSE;
-/*
-ulg numcolors=0, pixels[256];
-ush reds[256], greens[256], blues[256];
- */
-
-
-
-
-int main(int argc, char **argv)
-{
-#ifdef sgi
- char tmpline[80];
-#endif
- char *p;
- int rc, alen, flen;
- int error = 0;
- int have_bg = FALSE;
- double LUT_exponent; /* just the lookup table */
- double CRT_exponent = 2.2; /* just the monitor */
- double default_display_exponent; /* whole display system */
- XEvent e;
- KeySym k;
-
-
- displayname = (char *)NULL;
- filename = (char *)NULL;
-
-
- /* First set the default value for our display-system exponent, i.e.,
- * the product of the CRT exponent and the exponent corresponding to
- * the frame-buffer's lookup table (LUT), if any. This is not an
- * exhaustive list of LUT values (e.g., OpenStep has a lot of weird
- * ones), but it should cover 99% of the current possibilities. */
-
-#if defined(NeXT)
- LUT_exponent = 1.0 / 2.2;
- /*
- if (some_next_function_that_returns_gamma(&next_gamma))
- LUT_exponent = 1.0 / next_gamma;
- */
-#elif defined(sgi)
- LUT_exponent = 1.0 / 1.7;
- /* there doesn't seem to be any documented function to get the
- * "gamma" value, so we do it the hard way */
- infile = fopen("/etc/config/system.glGammaVal", "r");
- if (infile) {
- double sgi_gamma;
-
- fgets(tmpline, 80, infile);
- fclose(infile);
- sgi_gamma = atof(tmpline);
- if (sgi_gamma > 0.0)
- LUT_exponent = 1.0 / sgi_gamma;
- }
-#elif defined(Macintosh)
- LUT_exponent = 1.8 / 2.61;
- /*
- if (some_mac_function_that_returns_gamma(&mac_gamma))
- LUT_exponent = mac_gamma / 2.61;
- */
-#else
- LUT_exponent = 1.0; /* assume no LUT: most PCs */
-#endif
-
- /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */
- default_display_exponent = LUT_exponent * CRT_exponent;
-
-
- /* If the user has set the SCREEN_GAMMA environment variable as suggested
- * (somewhat imprecisely) in the libpng documentation, use that; otherwise
- * use the default value we just calculated. Either way, the user may
- * override this via a command-line option. */
-
- if ((p = getenv("SCREEN_GAMMA")) != NULL)
- display_exponent = atof(p);
- else
- display_exponent = default_display_exponent;
-
-
- /* Now parse the command line for options and the PNG filename. */
-
- while (*++argv && !error) {
- if (!strncmp(*argv, "-display", 2)) {
- if (!*++argv)
- ++error;
- else
- displayname = *argv;
- } else if (!strncmp(*argv, "-gamma", 2)) {
- if (!*++argv)
- ++error;
- else {
- display_exponent = atof(*argv);
- if (display_exponent <= 0.0)
- ++error;
- }
- } else if (!strncmp(*argv, "-bgcolor", 2)) {
- if (!*++argv)
- ++error;
- else {
- bgstr = *argv;
- if (strlen(bgstr) != 7 || bgstr[0] != '#')
- ++error;
- else
- have_bg = TRUE;
- }
- } else {
- if (**argv != '-') {
- filename = *argv;
- if (argv[1]) /* shouldn't be any more args after filename */
- ++error;
- } else
- ++error; /* not expecting any other options */
- }
- }
-
- if (!filename)
- ++error;
-
-
- /* print usage screen if any errors up to this point */
-
- if (error) {
- fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname);
- readpng_version_info();
- fprintf(stderr, "\n"
- "Usage: %s [-display xdpy] [-gamma exp] [-bgcolor bg] file.png\n"
- " xdpy\tname of the target X display (e.g., ``hostname:0'')\n"
- " exp \ttransfer-function exponent (``gamma'') of the display\n"
- "\t\t system in floating-point format (e.g., ``%.1f''); equal\n"
- "\t\t to the product of the lookup-table exponent (varies)\n"
- "\t\t and the CRT exponent (usually 2.2); must be positive\n"
- " bg \tdesired background color in 7-character hex RGB format\n"
- "\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n"
- "\t\t used with transparent images\n"
- "\nPress Q, Esc or mouse button 1 (within image window, after image\n"
- "is displayed) to quit.\n"
- "\n", PROGNAME, default_display_exponent);
- exit(1);
- }
-
-
- if (!(infile = fopen(filename, "rb"))) {
- fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename);
- ++error;
- } else {
- if ((rc = readpng_init(infile, &image_width, &image_height)) != 0) {
- switch (rc) {
- case 1:
- fprintf(stderr, PROGNAME
- ": [%s] is not a PNG file: incorrect signature\n",
- filename);
- break;
- case 2:
- fprintf(stderr, PROGNAME
- ": [%s] has bad IHDR (libpng longjmp)\n", filename);
- break;
- case 4:
- fprintf(stderr, PROGNAME ": insufficient memory\n");
- break;
- default:
- fprintf(stderr, PROGNAME
- ": unknown readpng_init() error\n");
- break;
- }
- ++error;
- } else {
- display = XOpenDisplay(displayname);
- if (!display) {
- readpng_cleanup(TRUE);
- fprintf(stderr, PROGNAME ": can't open X display [%s]\n",
- displayname? displayname : "default");
- ++error;
- }
- }
- if (error)
- fclose(infile);
- }
-
-
- if (error) {
- fprintf(stderr, PROGNAME ": aborting.\n");
- exit(2);
- }
-
-
- /* set the title-bar string, but make sure buffer doesn't overflow */
-
- alen = strlen(appname);
- flen = strlen(filename);
- if (alen + flen + 3 > 1023)
- sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023));
- else
- sprintf(titlebar, "%s: %s", appname, filename);
-
-
- /* if the user didn't specify a background color on the command line,
- * check for one in the PNG file--if not, the initialized values of 0
- * (black) will be used */
-
- if (have_bg) {
- unsigned r, g, b; /* this approach quiets compiler warnings */
-
- sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b);
- bg_red = (uch)r;
- bg_green = (uch)g;
- bg_blue = (uch)b;
- } else if (readpng_get_bgcolor(&bg_red, &bg_green, &bg_blue) > 1) {
- readpng_cleanup(TRUE);
- fprintf(stderr, PROGNAME
- ": libpng error while checking for background color\n");
- exit(2);
- }
-
-
- /* do the basic X initialization stuff, make the window and fill it
- * with the background color */
-
- if (rpng_x_create_window())
- exit(2);
-
-
- /* decode the image, all at once */
-
- Trace((stderr, "calling readpng_get_image()\n"))
- image_data = readpng_get_image(display_exponent, &image_channels,
- &image_rowbytes);
- Trace((stderr, "done with readpng_get_image()\n"))
-
-
- /* done with PNG file, so clean up to minimize memory usage (but do NOT
- * nuke image_data!) */
-
- readpng_cleanup(FALSE);
- fclose(infile);
-
- if (!image_data) {
- fprintf(stderr, PROGNAME ": unable to decode PNG image\n");
- exit(3);
- }
-
-
- /* display image (composite with background if requested) */
-
- Trace((stderr, "calling rpng_x_display_image()\n"))
- if (rpng_x_display_image()) {
- free(image_data);
- exit(4);
- }
- Trace((stderr, "done with rpng_x_display_image()\n"))
-
-
- /* wait for the user to tell us when to quit */
-
- printf(
- "Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n");
- fflush(stdout);
-
- do
- XNextEvent(display, &e);
- while (!(e.type == ButtonPress && e.xbutton.button == Button1) &&
- !(e.type == KeyPress && /* v--- or 1 for shifted keys */
- ((k = XLookupKeysym(&e.xkey, 0)) == XK_q || k == XK_Escape) ));
-
-
- /* OK, we're done: clean up all image and X resources and go away */
-
- rpng_x_cleanup();
-
- return 0;
-}
-
-
-
-
-
-static int rpng_x_create_window(void)
-{
- uch *xdata;
- int need_colormap = FALSE;
- int screen, pad;
- ulg bg_pixel = 0L;
- ulg attrmask;
- Window root;
- XEvent e;
- XGCValues gcvalues;
- XSetWindowAttributes attr;
- XTextProperty windowName, *pWindowName = &windowName;
- XTextProperty iconName, *pIconName = &iconName;
- XVisualInfo visual_info;
- XSizeHints *size_hints;
- XWMHints *wm_hints;
- XClassHint *class_hints;
-
-
- screen = DefaultScreen(display);
- depth = DisplayPlanes(display, screen);
- root = RootWindow(display, screen);
-
-#ifdef DEBUG
- XSynchronize(display, True);
-#endif
-
-#if 0
-/* GRR: add 8-bit support */
- if (/* depth != 8 && */ depth != 16 && depth != 24 && depth != 32) {
- fprintf(stderr,
- "screen depth %d not supported (only 16-, 24- or 32-bit TrueColor)\n",
- depth);
- return 2;
- }
-
- XMatchVisualInfo(display, screen, depth,
- (depth == 8)? PseudoColor : TrueColor, &visual_info);
- visual = visual_info.visual;
-#else
- if (depth != 16 && depth != 24 && depth != 32) {
- int visuals_matched = 0;
-
- Trace((stderr, "default depth is %d: checking other visuals\n",
- depth))
-
- /* 24-bit first */
- visual_info.screen = screen;
- visual_info.depth = 24;
- visual_list = XGetVisualInfo(display,
- VisualScreenMask | VisualDepthMask, &visual_info, &visuals_matched);
- if (visuals_matched == 0) {
-/* GRR: add 15-, 16- and 32-bit TrueColor visuals (also DirectColor?) */
- fprintf(stderr, "default screen depth %d not supported, and no"
- " 24-bit visuals found\n", depth);
- return 2;
- }
- Trace((stderr, "XGetVisualInfo() returned %d 24-bit visuals\n",
- visuals_matched))
- visual = visual_list[0].visual;
- depth = visual_list[0].depth;
-/*
- colormap_size = visual_list[0].colormap_size;
- visual_class = visual->class;
- visualID = XVisualIDFromVisual(visual);
- */
- have_nondefault_visual = TRUE;
- need_colormap = TRUE;
- } else {
- XMatchVisualInfo(display, screen, depth, TrueColor, &visual_info);
- visual = visual_info.visual;
- }
-#endif
-
- RMask = visual->red_mask;
- GMask = visual->green_mask;
- BMask = visual->blue_mask;
-
-/* GRR: add/check 8-bit support */
- if (depth == 8 || need_colormap) {
- colormap = XCreateColormap(display, root, visual, AllocNone);
- if (!colormap) {
- fprintf(stderr, "XCreateColormap() failed\n");
- return 2;
- }
- have_colormap = TRUE;
- }
- if (depth == 15 || depth == 16) {
- RShift = 15 - rpng_x_msb(RMask); /* these are right-shifts */
- GShift = 15 - rpng_x_msb(GMask);
- BShift = 15 - rpng_x_msb(BMask);
- } else if (depth > 16) {
-#define NO_24BIT_MASKS
-#ifdef NO_24BIT_MASKS
- RShift = rpng_x_msb(RMask) - 7; /* these are left-shifts */
- GShift = rpng_x_msb(GMask) - 7;
- BShift = rpng_x_msb(BMask) - 7;
-#else
- RShift = 7 - rpng_x_msb(RMask); /* these are right-shifts, too */
- GShift = 7 - rpng_x_msb(GMask);
- BShift = 7 - rpng_x_msb(BMask);
-#endif
- }
- if (depth >= 15 && (RShift < 0 || GShift < 0 || BShift < 0)) {
- fprintf(stderr, "rpng internal logic error: negative X shift(s)!\n");
- return 2;
- }
-
-/*---------------------------------------------------------------------------
- Finally, create the window.
- ---------------------------------------------------------------------------*/
-
- attr.backing_store = Always;
- attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask;
- attrmask = CWBackingStore | CWEventMask;
- if (have_nondefault_visual) {
- attr.colormap = colormap;
- attr.background_pixel = 0;
- attr.border_pixel = 1;
- attrmask |= CWColormap | CWBackPixel | CWBorderPixel;
- }
-
- window = XCreateWindow(display, root, 0, 0, image_width, image_height, 0,
- depth, InputOutput, visual, attrmask, &attr);
-
- if (window == None) {
- fprintf(stderr, "XCreateWindow() failed\n");
- return 2;
- } else
- have_window = TRUE;
-
- if (depth == 8)
- XSetWindowColormap(display, window, colormap);
-
- if (!XStringListToTextProperty(&window_name, 1, pWindowName))
- pWindowName = NULL;
- if (!XStringListToTextProperty(&icon_name, 1, pIconName))
- pIconName = NULL;
-
- /* OK if any hints allocation fails; XSetWMProperties() allows NULLs */
-
- if ((size_hints = XAllocSizeHints()) != NULL) {
- /* window will not be resizable */
- size_hints->flags = PMinSize | PMaxSize;
- size_hints->min_width = size_hints->max_width = (int)image_width;
- size_hints->min_height = size_hints->max_height = (int)image_height;
- }
-
- if ((wm_hints = XAllocWMHints()) != NULL) {
- wm_hints->initial_state = NormalState;
- wm_hints->input = True;
- /* wm_hints->icon_pixmap = icon_pixmap; */
- wm_hints->flags = StateHint | InputHint /* | IconPixmapHint */ ;
- }
-
- if ((class_hints = XAllocClassHint()) != NULL) {
- class_hints->res_name = res_name;
- class_hints->res_class = res_class;
- }
-
- XSetWMProperties(display, window, pWindowName, pIconName, NULL, 0,
- size_hints, wm_hints, class_hints);
-
- /* various properties and hints no longer needed; free memory */
- if (pWindowName)
- XFree(pWindowName->value);
- if (pIconName)
- XFree(pIconName->value);
- if (size_hints)
- XFree(size_hints);
- if (wm_hints)
- XFree(wm_hints);
- if (class_hints)
- XFree(class_hints);
-
- XMapWindow(display, window);
-
- gc = XCreateGC(display, window, 0, &gcvalues);
- have_gc = TRUE;
-
-/*---------------------------------------------------------------------------
- Fill window with the specified background color.
- ---------------------------------------------------------------------------*/
-
- if (depth == 24 || depth == 32) {
- bg_pixel = ((ulg)bg_red << RShift) |
- ((ulg)bg_green << GShift) |
- ((ulg)bg_blue << BShift);
- } else if (depth == 16) {
- bg_pixel = ((((ulg)bg_red << 8) >> RShift) & RMask) |
- ((((ulg)bg_green << 8) >> GShift) & GMask) |
- ((((ulg)bg_blue << 8) >> BShift) & BMask);
- } else /* depth == 8 */ {
-
- /* GRR: add 8-bit support */
-
- }
-
- XSetForeground(display, gc, bg_pixel);
- XFillRectangle(display, window, gc, 0, 0, image_width, image_height);
-
-/*---------------------------------------------------------------------------
- Wait for first Expose event to do any drawing, then flush.
- ---------------------------------------------------------------------------*/
-
- do
- XNextEvent(display, &e);
- while (e.type != Expose || e.xexpose.count);
-
- XFlush(display);
-
-/*---------------------------------------------------------------------------
- Allocate memory for the X- and display-specific version of the image.
- ---------------------------------------------------------------------------*/
-
- if (depth == 24 || depth == 32) {
- xdata = (uch *)malloc(4*image_width*image_height);
- pad = 32;
- } else if (depth == 16) {
- xdata = (uch *)malloc(2*image_width*image_height);
- pad = 16;
- } else /* depth == 8 */ {
- xdata = (uch *)malloc(image_width*image_height);
- pad = 8;
- }
-
- if (!xdata) {
- fprintf(stderr, PROGNAME ": unable to allocate image memory\n");
- return 4;
- }
-
- ximage = XCreateImage(display, visual, depth, ZPixmap, 0,
- (char *)xdata, image_width, image_height, pad, 0);
-
- if (!ximage) {
- fprintf(stderr, PROGNAME ": XCreateImage() failed\n");
- free(xdata);
- return 3;
- }
-
- /* to avoid testing the byte order every pixel (or doubling the size of
- * the drawing routine with a giant if-test), we arbitrarily set the byte
- * order to MSBFirst and let Xlib worry about inverting things on little-
- * endian machines (like Linux/x86, old VAXen, etc.)--this is not the most
- * efficient approach (the giant if-test would be better), but in the
- * interest of clarity, we take the easy way out... */
-
- ximage->byte_order = MSBFirst;
-
- return 0;
-
-} /* end function rpng_x_create_window() */
-
-
-
-
-
-static int rpng_x_display_image(void)
-{
- uch *src;
- char *dest;
- uch r, g, b, a;
- ulg i, row, lastrow = 0;
- ulg pixel;
- int ximage_rowbytes = ximage->bytes_per_line;
-/* int bpp = ximage->bits_per_pixel; */
-
-
- Trace((stderr, "beginning display loop (image_channels == %d)\n",
- image_channels))
- Trace((stderr, " (width = %ld, rowbytes = %ld, ximage_rowbytes = %d)\n",
- image_width, image_rowbytes, ximage_rowbytes))
- Trace((stderr, " (bpp = %d)\n", ximage->bits_per_pixel))
- Trace((stderr, " (byte_order = %s)\n", ximage->byte_order == MSBFirst?
- "MSBFirst" : (ximage->byte_order == LSBFirst? "LSBFirst" : "unknown")))
-
- if (depth == 24 || depth == 32) {
- ulg red, green, blue;
-
- for (lastrow = row = 0; row < image_height; ++row) {
- src = image_data + row*image_rowbytes;
- dest = ximage->data + row*ximage_rowbytes;
- if (image_channels == 3) {
- for (i = image_width; i > 0; --i) {
- red = *src++;
- green = *src++;
- blue = *src++;
-#ifdef NO_24BIT_MASKS
- pixel = (red << RShift) |
- (green << GShift) |
- (blue << BShift);
- /* recall that we set ximage->byte_order = MSBFirst above */
- /* GRR BUG: this assumes bpp == 32, but may be 24: */
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
-#else
- red = (RShift < 0)? red << (-RShift) : red >> RShift;
- green = (GShift < 0)? green << (-GShift) : green >> GShift;
- blue = (BShift < 0)? blue << (-BShift) : blue >> BShift;
- pixel = (red & RMask) | (green & GMask) | (blue & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
-#endif
- }
- } else /* if (image_channels == 4) */ {
- for (i = image_width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- a = *src++;
- if (a == 255) {
- red = r;
- green = g;
- blue = b;
- } else if (a == 0) {
- red = bg_red;
- green = bg_green;
- blue = bg_blue;
- } else {
- /* this macro (from png.h) composites the foreground
- * and background values and puts the result into the
- * first argument */
- alpha_composite(red, r, a, bg_red);
- alpha_composite(green, g, a, bg_green);
- alpha_composite(blue, b, a, bg_blue);
- }
- pixel = (red << RShift) |
- (green << GShift) |
- (blue << BShift);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- }
- /* display after every 16 lines */
- if (((row+1) & 0xf) == 0) {
- XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
- (int)lastrow, image_width, 16);
- XFlush(display);
- lastrow = row + 1;
- }
- }
-
- } else if (depth == 16) {
- ush red, green, blue;
-
- for (lastrow = row = 0; row < image_height; ++row) {
- src = image_data + row*image_rowbytes;
- dest = ximage->data + row*ximage_rowbytes;
- if (image_channels == 3) {
- for (i = image_width; i > 0; --i) {
- red = ((ush)(*src) << 8);
- ++src;
- green = ((ush)(*src) << 8);
- ++src;
- blue = ((ush)(*src) << 8);
- ++src;
- pixel = ((red >> RShift) & RMask) |
- ((green >> GShift) & GMask) |
- ((blue >> BShift) & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- } else /* if (image_channels == 4) */ {
- for (i = image_width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- a = *src++;
- if (a == 255) {
- red = ((ush)r << 8);
- green = ((ush)g << 8);
- blue = ((ush)b << 8);
- } else if (a == 0) {
- red = ((ush)bg_red << 8);
- green = ((ush)bg_green << 8);
- blue = ((ush)bg_blue << 8);
- } else {
- /* this macro (from png.h) composites the foreground
- * and background values and puts the result back into
- * the first argument (== fg byte here: safe) */
- alpha_composite(r, r, a, bg_red);
- alpha_composite(g, g, a, bg_green);
- alpha_composite(b, b, a, bg_blue);
- red = ((ush)r << 8);
- green = ((ush)g << 8);
- blue = ((ush)b << 8);
- }
- pixel = ((red >> RShift) & RMask) |
- ((green >> GShift) & GMask) |
- ((blue >> BShift) & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- }
- /* display after every 16 lines */
- if (((row+1) & 0xf) == 0) {
- XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
- (int)lastrow, image_width, 16);
- XFlush(display);
- lastrow = row + 1;
- }
- }
-
- } else /* depth == 8 */ {
-
- /* GRR: add 8-bit support */
-
- }
-
- Trace((stderr, "calling final XPutImage()\n"))
- if (lastrow < image_height) {
- XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
- (int)lastrow, image_width, image_height-lastrow);
- XFlush(display);
- }
-
- return 0;
-}
-
-
-
-
-static void rpng_x_cleanup(void)
-{
- if (image_data) {
- free(image_data);
- image_data = NULL;
- }
-
- if (ximage) {
- if (ximage->data) {
- free(ximage->data); /* we allocated it, so we free it */
- ximage->data = (char *)NULL; /* instead of XDestroyImage() */
- }
- XDestroyImage(ximage);
- ximage = NULL;
- }
-
- if (have_gc)
- XFreeGC(display, gc);
-
- if (have_window)
- XDestroyWindow(display, window);
-
- if (have_colormap)
- XFreeColormap(display, colormap);
-
- if (have_nondefault_visual)
- XFree(visual_list);
-}
-
-
-
-
-
-static int rpng_x_msb(ulg u32val)
-{
- int i;
-
- for (i = 31; i >= 0; --i) {
- if (u32val & 0x80000000L)
- break;
- u32val <<= 1;
- }
- return i;
-}
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng2 - progressive-model PNG display program rpng2-win.c
-
- This program decodes and displays PNG files progressively, as if it were
- a web browser (though the front end is only set up to read from files).
- It supports gamma correction, user-specified background colors, and user-
- specified background patterns (for transparent images). This version is
- for 32-bit Windows; it may compile under 16-bit Windows with a little
- tweaking (or maybe not). Thanks to Adam Costello and Pieter S. van der
- Meulen for the "diamond" and "radial waves" patterns, respectively.
-
- to do (someday, maybe):
- - handle quoted command-line args (especially filenames with spaces)
- - finish resizable checkerboard-gradient (sizes 4-128?)
- - use %.1023s to simplify truncation of title-bar string?
- - have minimum window width: oh well
-
- ---------------------------------------------------------------------------
-
- Changelog:
- - 1.01: initial public release
- - 1.02: fixed cut-and-paste error in usage screen (oops...)
- - 1.03: modified to allow abbreviated options
- - 1.04: removed bogus extra argument from usage fprintf() [Glenn R-P?];
- fixed command-line parsing bug
- - 1.10: enabled "message window"/console (thanks to David Geldreich)
- - 1.20: added runtime MMX-enabling/disabling and new -mmx* options
- - 1.21: made minor tweak to usage screen to fit within 25-line console
- - 1.22: added AMD64/EM64T support (__x86_64__)
- - 2.00: dual-licensed (added GNU GPL)
- - 2.01: fixed 64-bit typo in readpng2.c
- - 2.02: fixed improper display of usage screen on PNG error(s); fixed
- unexpected-EOF and file-read-error cases
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#define PROGNAME "rpng2-win"
-#define LONGNAME "Progressive PNG Viewer for Windows"
-#define VERSION "2.02 of 16 March 2008"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <setjmp.h> /* for jmpbuf declaration in readpng2.h */
-#include <time.h>
-#include <math.h> /* only for PvdM background code */
-#include <windows.h>
-#include <conio.h> /* only for _getch() */
-
-/* all for PvdM background code: */
-#ifndef PI
-# define PI 3.141592653589793238
-#endif
-#define PI_2 (PI*0.5)
-#define INV_PI_360 (360.0 / PI)
-#define MAX(a,b) (a>b?a:b)
-#define MIN(a,b) (a<b?a:b)
-#define CLIP(a,min,max) MAX(min,MIN((a),max))
-#define ABS(a) ((a)<0?-(a):(a))
-#define CLIP8P(c) MAX(0,(MIN((c),255))) /* 8-bit pos. integer (uch) */
-#define ROUNDF(f) ((int)(f + 0.5))
-
-#define rgb1_max bg_freq
-#define rgb1_min bg_gray
-#define rgb2_max bg_bsat
-#define rgb2_min bg_brot
-
-/* #define DEBUG */ /* this enables the Trace() macros */
-
-#include "readpng2.h" /* typedefs, common macros, readpng2 prototypes */
-
-
-/* could just include png.h, but this macro is the only thing we need
- * (name and typedefs changed to local versions); note that side effects
- * only happen with alpha (which could easily be avoided with
- * "ush acopy = (alpha);") */
-
-#define alpha_composite(composite, fg, alpha, bg) { \
- ush temp = ((ush)(fg)*(ush)(alpha) + \
- (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \
- (composite) = (uch)((temp + (temp >> 8)) >> 8); \
-}
-
-
-#define INBUFSIZE 4096 /* with pseudo-timing on (1 sec delay/block), this
- * block size corresponds roughly to a download
- * speed 10% faster than theoretical 33.6K maximum
- * (assuming 8 data bits, 1 stop bit and no other
- * overhead) */
-
-/* local prototypes */
-static void rpng2_win_init(void);
-static int rpng2_win_create_window(void);
-static int rpng2_win_load_bg_image(void);
-static void rpng2_win_display_row(ulg row);
-static void rpng2_win_finish_display(void);
-static void rpng2_win_cleanup(void);
-LRESULT CALLBACK rpng2_win_wndproc(HWND, UINT, WPARAM, LPARAM);
-
-
-static char titlebar[1024];
-static char *progname = PROGNAME;
-static char *appname = LONGNAME;
-static char *filename;
-static FILE *infile;
-
-static mainprog_info rpng2_info;
-
-static uch inbuf[INBUFSIZE];
-static int incount;
-
-static int pat = 6; /* must be less than num_bgpat */
-static int bg_image = 0;
-static int bgscale = 16;
-static ulg bg_rowbytes;
-static uch *bg_data;
-
-static struct rgb_color {
- uch r, g, b;
-} rgb[] = {
- { 0, 0, 0}, /* 0: black */
- {255, 255, 255}, /* 1: white */
- {173, 132, 57}, /* 2: tan */
- { 64, 132, 0}, /* 3: medium green */
- {189, 117, 1}, /* 4: gold */
- {253, 249, 1}, /* 5: yellow */
- { 0, 0, 255}, /* 6: blue */
- { 0, 0, 120}, /* 7: medium blue */
- {255, 0, 255}, /* 8: magenta */
- { 64, 0, 64}, /* 9: dark magenta */
- {255, 0, 0}, /* 10: red */
- { 64, 0, 0}, /* 11: dark red */
- {255, 127, 0}, /* 12: orange */
- {192, 96, 0}, /* 13: darker orange */
- { 24, 60, 0}, /* 14: dark green-yellow */
- { 85, 125, 200} /* 15: ice blue */
-};
-/* not used for now, but should be for error-checking:
-static int num_rgb = sizeof(rgb) / sizeof(struct rgb_color);
- */
-
-/*
- This whole struct is a fairly cheesy way to keep the number of
- command-line options to a minimum. The radial-waves background
- type is a particularly poor fit to the integer elements of the
- struct...but a few macros and a little fixed-point math will do
- wonders for ya.
-
- type bits:
- F E D C B A 9 8 7 6 5 4 3 2 1 0
- | | | | |
- | | +-+-+-- 0 = sharp-edged checkerboard
- | | 1 = soft diamonds
- | | 2 = radial waves
- | | 3-7 = undefined
- | +-- gradient #2 inverted?
- +-- alternating columns inverted?
- */
-static struct background_pattern {
- ush type;
- int rgb1_max, rgb1_min; /* or bg_freq, bg_gray */
- int rgb2_max, rgb2_min; /* or bg_bsat, bg_brot (both scaled by 10)*/
-} bg[] = {
- {0+8, 2,0, 1,15}, /* checkered: tan/black vs. white/ice blue */
- {0+24, 2,0, 1,0}, /* checkered: tan/black vs. white/black */
- {0+8, 4,5, 0,2}, /* checkered: gold/yellow vs. black/tan */
- {0+8, 4,5, 0,6}, /* checkered: gold/yellow vs. black/blue */
- {0, 7,0, 8,9}, /* checkered: deep blue/black vs. magenta */
- {0+8, 13,0, 5,14}, /* checkered: orange/black vs. yellow */
- {0+8, 12,0, 10,11}, /* checkered: orange/black vs. red */
- {1, 7,0, 8,0}, /* diamonds: deep blue/black vs. magenta */
- {1, 12,0, 11,0}, /* diamonds: orange vs. dark red */
- {1, 10,0, 7,0}, /* diamonds: red vs. medium blue */
- {1, 4,0, 5,0}, /* diamonds: gold vs. yellow */
- {1, 3,0, 0,0}, /* diamonds: medium green vs. black */
- {2, 16, 100, 20, 0}, /* radial: ~hard radial color-beams */
- {2, 18, 100, 10, 2}, /* radial: soft, curved radial color-beams */
- {2, 16, 256, 100, 250}, /* radial: very tight spiral */
- {2, 10000, 256, 11, 0} /* radial: dipole-moire' (almost fractal) */
-};
-static int num_bgpat = sizeof(bg) / sizeof(struct background_pattern);
-
-
-/* Windows-specific global variables (could go in struct, but messy...) */
-static ulg wimage_rowbytes;
-static uch *dib;
-static uch *wimage_data;
-static BITMAPINFOHEADER *bmih;
-
-static HWND global_hwnd;
-static HINSTANCE global_hInst;
-static int global_showmode;
-
-
-
-
-int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode)
-{
- char *args[1024]; /* arbitrary limit, but should suffice */
- char **argv = args;
- char *p, *q, *bgstr = NULL;
- int argc = 0;
- int rc, alen, flen;
- int error = 0;
- int timing = FALSE;
- int have_bg = FALSE;
- double LUT_exponent; /* just the lookup table */
- double CRT_exponent = 2.2; /* just the monitor */
- double default_display_exponent; /* whole display system */
- MSG msg;
-
-
- /* First initialize a few things, just to be sure--memset takes care of
- * default background color (black), booleans (FALSE), pointers (NULL),
- * etc. */
-
- global_hInst = hInst;
- global_showmode = showmode;
- filename = (char *)NULL;
- memset(&rpng2_info, 0, sizeof(mainprog_info));
-
-
- /* Next reenable console output, which normally goes to the bit bucket
- * for windowed apps. Closing the console window will terminate the
- * app. Thanks to David.Geldreich@realviz.com for supplying the magical
- * incantation. */
-
- AllocConsole();
- freopen("CONOUT$", "a", stderr);
- freopen("CONOUT$", "a", stdout);
-
-
- /* Set the default value for our display-system exponent, i.e., the
- * product of the CRT exponent and the exponent corresponding to
- * the frame-buffer's lookup table (LUT), if any. This is not an
- * exhaustive list of LUT values (e.g., OpenStep has a lot of weird
- * ones), but it should cover 99% of the current possibilities. And
- * yes, these ifdefs are completely wasted in a Windows program... */
-
-#if defined(NeXT)
- /* third-party utilities can modify the default LUT exponent */
- LUT_exponent = 1.0 / 2.2;
- /*
- if (some_next_function_that_returns_gamma(&next_gamma))
- LUT_exponent = 1.0 / next_gamma;
- */
-#elif defined(sgi)
- LUT_exponent = 1.0 / 1.7;
- /* there doesn't seem to be any documented function to
- * get the "gamma" value, so we do it the hard way */
- infile = fopen("/etc/config/system.glGammaVal", "r");
- if (infile) {
- double sgi_gamma;
-
- fgets(tmpline, 80, infile);
- fclose(infile);
- sgi_gamma = atof(tmpline);
- if (sgi_gamma > 0.0)
- LUT_exponent = 1.0 / sgi_gamma;
- }
-#elif defined(Macintosh)
- LUT_exponent = 1.8 / 2.61;
- /*
- if (some_mac_function_that_returns_gamma(&mac_gamma))
- LUT_exponent = mac_gamma / 2.61;
- */
-#else
- LUT_exponent = 1.0; /* assume no LUT: most PCs */
-#endif
-
- /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */
- default_display_exponent = LUT_exponent * CRT_exponent;
-
-
- /* If the user has set the SCREEN_GAMMA environment variable as suggested
- * (somewhat imprecisely) in the libpng documentation, use that; otherwise
- * use the default value we just calculated. Either way, the user may
- * override this via a command-line option. */
-
- if ((p = getenv("SCREEN_GAMMA")) != NULL)
- rpng2_info.display_exponent = atof(p);
- else
- rpng2_info.display_exponent = default_display_exponent;
-
-
- /* Windows really hates command lines, so we have to set up our own argv.
- * Note that we do NOT bother with quoted arguments here, so don't use
- * filenames with spaces in 'em! */
-
- argv[argc++] = PROGNAME;
- p = cmd;
- for (;;) {
- if (*p == ' ')
- while (*++p == ' ')
- ;
- /* now p points at the first non-space after some spaces */
- if (*p == '\0')
- break; /* nothing after the spaces: done */
- argv[argc++] = q = p;
- while (*q && *q != ' ')
- ++q;
- /* now q points at a space or the end of the string */
- if (*q == '\0')
- break; /* last argv already terminated; quit */
- *q = '\0'; /* change space to terminator */
- p = q + 1;
- }
- argv[argc] = NULL; /* terminate the argv array itself */
-
-
- /* Now parse the command line for options and the PNG filename. */
-
- while (*++argv && !error) {
- if (!strncmp(*argv, "-gamma", 2)) {
- if (!*++argv)
- ++error;
- else {
- rpng2_info.display_exponent = atof(*argv);
- if (rpng2_info.display_exponent <= 0.0)
- ++error;
- }
- } else if (!strncmp(*argv, "-bgcolor", 4)) {
- if (!*++argv)
- ++error;
- else {
- bgstr = *argv;
- if (strlen(bgstr) != 7 || bgstr[0] != '#')
- ++error;
- else {
- have_bg = TRUE;
- bg_image = FALSE;
- }
- }
- } else if (!strncmp(*argv, "-bgpat", 4)) {
- if (!*++argv)
- ++error;
- else {
- pat = atoi(*argv) - 1;
- if (pat < 0 || pat >= num_bgpat)
- ++error;
- else {
- bg_image = TRUE;
- have_bg = FALSE;
- }
- }
- } else if (!strncmp(*argv, "-timing", 2)) {
- timing = TRUE;
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- } else if (!strncmp(*argv, "-nommxfilters", 7)) {
- rpng2_info.nommxfilters = TRUE;
- } else if (!strncmp(*argv, "-nommxcombine", 7)) {
- rpng2_info.nommxcombine = TRUE;
- } else if (!strncmp(*argv, "-nommxinterlace", 7)) {
- rpng2_info.nommxinterlace = TRUE;
- } else if (!strcmp(*argv, "-nommx")) {
- rpng2_info.nommxfilters = TRUE;
- rpng2_info.nommxcombine = TRUE;
- rpng2_info.nommxinterlace = TRUE;
-#endif
- } else {
- if (**argv != '-') {
- filename = *argv;
- if (argv[1]) /* shouldn't be any more args after filename */
- ++error;
- } else
- ++error; /* not expecting any other options */
- }
- }
-
- if (!filename)
- ++error;
-
-
- /* print usage screen if any errors up to this point */
-
- if (error) {
- int ch;
-
- fprintf(stderr, "\n%s %s: %s\n\n", PROGNAME, VERSION, appname);
- readpng2_version_info();
- fprintf(stderr, "\n"
- "Usage: %s [-gamma exp] [-bgcolor bg | -bgpat pat] [-timing]\n"
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- " %*s [[-nommxfilters] [-nommxcombine] [-nommxinterlace] | -nommx]\n"
-#endif
- " %*s file.png\n\n"
- " exp \ttransfer-function exponent (``gamma'') of the display\n"
- "\t\t system in floating-point format (e.g., ``%.1f''); equal\n"
- "\t\t to the product of the lookup-table exponent (varies)\n"
- "\t\t and the CRT exponent (usually 2.2); must be positive\n"
- " bg \tdesired background color in 7-character hex RGB format\n"
- "\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n"
- "\t\t used with transparent images; overrides -bgpat option\n"
- " pat \tdesired background pattern number (1-%d); used with\n"
- "\t\t transparent images; overrides -bgcolor option\n"
- " -timing\tenables delay for every block read, to simulate modem\n"
- "\t\t download of image (~36 Kbps)\n"
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- " -nommx*\tdisable optimized MMX routines for decoding row filters,\n"
- "\t\t combining rows, and expanding interlacing, respectively\n"
-#endif
- "\nPress Q, Esc or mouse button 1 after image is displayed to quit.\n"
- "Press Q or Esc to quit this usage screen. ",
- PROGNAME,
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- (int)strlen(PROGNAME), " ",
-#endif
- (int)strlen(PROGNAME), " ", default_display_exponent, num_bgpat);
- fflush(stderr);
- do
- ch = _getch();
- while (ch != 'q' && ch != 'Q' && ch != 0x1B);
- exit(1);
- }
-
-
- if (!(infile = fopen(filename, "rb"))) {
- fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename);
- ++error;
- } else {
- incount = fread(inbuf, 1, INBUFSIZE, infile);
- if (incount < 8 || !readpng2_check_sig(inbuf, 8)) {
- fprintf(stderr, PROGNAME
- ": [%s] is not a PNG file: incorrect signature\n",
- filename);
- ++error;
- } else if ((rc = readpng2_init(&rpng2_info)) != 0) {
- switch (rc) {
- case 2:
- fprintf(stderr, PROGNAME
- ": [%s] has bad IHDR (libpng longjmp)\n", filename);
- break;
- case 4:
- fprintf(stderr, PROGNAME ": insufficient memory\n");
- break;
- default:
- fprintf(stderr, PROGNAME
- ": unknown readpng2_init() error\n");
- break;
- }
- ++error;
- }
- if (error)
- fclose(infile);
- }
-
-
- if (error) {
- int ch;
-
- fprintf(stderr, PROGNAME ": aborting.\n");
- do
- ch = _getch();
- while (ch != 'q' && ch != 'Q' && ch != 0x1B);
- exit(2);
- } else {
- fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname);
- fprintf(stderr,
- "\n [console window: closing this window will terminate %s]\n\n",
- PROGNAME);
- fflush(stderr);
- }
-
-
- /* set the title-bar string, but make sure buffer doesn't overflow */
-
- alen = strlen(appname);
- flen = strlen(filename);
- if (alen + flen + 3 > 1023)
- sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023));
- else
- sprintf(titlebar, "%s: %s", appname, filename);
-
-
- /* set some final rpng2_info variables before entering main data loop */
-
- if (have_bg) {
- unsigned r, g, b; /* this approach quiets compiler warnings */
-
- sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b);
- rpng2_info.bg_red = (uch)r;
- rpng2_info.bg_green = (uch)g;
- rpng2_info.bg_blue = (uch)b;
- } else
- rpng2_info.need_bgcolor = TRUE;
-
- rpng2_info.state = kPreInit;
- rpng2_info.mainprog_init = rpng2_win_init;
- rpng2_info.mainprog_display_row = rpng2_win_display_row;
- rpng2_info.mainprog_finish_display = rpng2_win_finish_display;
-
-
- /* OK, this is the fun part: call readpng2_decode_data() at the start of
- * the loop to deal with our first buffer of data (read in above to verify
- * that the file is a PNG image), then loop through the file and continue
- * calling the same routine to handle each chunk of data. It in turn
- * passes the data to libpng, which will invoke one or more of our call-
- * backs as decoded data become available. We optionally call Sleep() for
- * one second per iteration to simulate downloading the image via an analog
- * modem. */
-
- for (;;) {
- Trace((stderr, "about to call readpng2_decode_data()\n"))
- if (readpng2_decode_data(&rpng2_info, inbuf, incount))
- ++error;
- Trace((stderr, "done with readpng2_decode_data()\n"))
-
- if (error || incount != INBUFSIZE || rpng2_info.state == kDone) {
- if (rpng2_info.state == kDone) {
- Trace((stderr, "done decoding PNG image\n"))
- } else if (ferror(infile)) {
- fprintf(stderr, PROGNAME
- ": error while reading PNG image file\n");
- exit(3);
- } else if (feof(infile)) {
- fprintf(stderr, PROGNAME ": end of file reached "
- "(unexpectedly) while reading PNG image file\n");
- exit(3);
- } else /* if (error) */ {
- // will print error message below
- }
- break;
- }
-
- if (timing)
- Sleep(1000L);
-
- incount = fread(inbuf, 1, INBUFSIZE, infile);
- }
-
-
- /* clean up PNG stuff and report any decoding errors */
-
- fclose(infile);
- Trace((stderr, "about to call readpng2_cleanup()\n"))
- readpng2_cleanup(&rpng2_info);
-
- if (error) {
- fprintf(stderr, PROGNAME ": libpng error while decoding PNG image\n");
- exit(3);
- }
-
-
- /* wait for the user to tell us when to quit */
-
- while (GetMessage(&msg, NULL, 0, 0)) {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
-
-
- /* we're done: clean up all image and Windows resources and go away */
-
- Trace((stderr, "about to call rpng2_win_cleanup()\n"))
- rpng2_win_cleanup();
-
- return msg.wParam;
-}
-
-
-
-
-
-/* this function is called by readpng2_info_callback() in readpng2.c, which
- * in turn is called by libpng after all of the pre-IDAT chunks have been
- * read and processed--i.e., we now have enough info to finish initializing */
-
-static void rpng2_win_init()
-{
- ulg i;
- ulg rowbytes = rpng2_info.rowbytes;
-
- Trace((stderr, "beginning rpng2_win_init()\n"))
- Trace((stderr, " rowbytes = %d\n", rpng2_info.rowbytes))
- Trace((stderr, " width = %ld\n", rpng2_info.width))
- Trace((stderr, " height = %ld\n", rpng2_info.height))
-
- rpng2_info.image_data = (uch *)malloc(rowbytes * rpng2_info.height);
- if (!rpng2_info.image_data) {
- readpng2_cleanup(&rpng2_info);
- return;
- }
-
- rpng2_info.row_pointers = (uch **)malloc(rpng2_info.height * sizeof(uch *));
- if (!rpng2_info.row_pointers) {
- free(rpng2_info.image_data);
- rpng2_info.image_data = NULL;
- readpng2_cleanup(&rpng2_info);
- return;
- }
-
- for (i = 0; i < rpng2_info.height; ++i)
- rpng2_info.row_pointers[i] = rpng2_info.image_data + i*rowbytes;
-
-/*---------------------------------------------------------------------------
- Do the basic Windows initialization stuff, make the window, and fill it
- with the user-specified, file-specified or default background color.
- ---------------------------------------------------------------------------*/
-
- if (rpng2_win_create_window()) {
- readpng2_cleanup(&rpng2_info);
- return;
- }
-
- rpng2_info.state = kWindowInit;
-}
-
-
-
-
-
-static int rpng2_win_create_window()
-{
- uch bg_red = rpng2_info.bg_red;
- uch bg_green = rpng2_info.bg_green;
- uch bg_blue = rpng2_info.bg_blue;
- uch *dest;
- int extra_width, extra_height;
- ulg i, j;
- WNDCLASSEX wndclass;
- RECT rect;
-
-
-/*---------------------------------------------------------------------------
- Allocate memory for the display-specific version of the image (round up
- to multiple of 4 for Windows DIB).
- ---------------------------------------------------------------------------*/
-
- wimage_rowbytes = ((3*rpng2_info.width + 3L) >> 2) << 2;
-
- if (!(dib = (uch *)malloc(sizeof(BITMAPINFOHEADER) +
- wimage_rowbytes*rpng2_info.height)))
- {
- return 4; /* fail */
- }
-
-/*---------------------------------------------------------------------------
- Initialize the DIB. Negative height means to use top-down BMP ordering
- (must be uncompressed, but that's what we want). Bit count of 1, 4 or 8
- implies a colormap of RGBX quads, but 24-bit BMPs just use B,G,R values
- directly => wimage_data begins immediately after BMP header.
- ---------------------------------------------------------------------------*/
-
- memset(dib, 0, sizeof(BITMAPINFOHEADER));
- bmih = (BITMAPINFOHEADER *)dib;
- bmih->biSize = sizeof(BITMAPINFOHEADER);
- bmih->biWidth = rpng2_info.width;
- bmih->biHeight = -((long)rpng2_info.height);
- bmih->biPlanes = 1;
- bmih->biBitCount = 24;
- bmih->biCompression = 0;
- wimage_data = dib + sizeof(BITMAPINFOHEADER);
-
-/*---------------------------------------------------------------------------
- Fill window with the specified background color (default is black), but
- defer loading faked "background image" until window is displayed (may be
- slow to compute). Data are in BGR order.
- ---------------------------------------------------------------------------*/
-
- if (bg_image) { /* just fill with black for now */
- memset(wimage_data, 0, wimage_rowbytes*rpng2_info.height);
- } else {
- for (j = 0; j < rpng2_info.height; ++j) {
- dest = wimage_data + j*wimage_rowbytes;
- for (i = rpng2_info.width; i > 0; --i) {
- *dest++ = bg_blue;
- *dest++ = bg_green;
- *dest++ = bg_red;
- }
- }
- }
-
-/*---------------------------------------------------------------------------
- Set the window parameters.
- ---------------------------------------------------------------------------*/
-
- memset(&wndclass, 0, sizeof(wndclass));
-
- wndclass.cbSize = sizeof(wndclass);
- wndclass.style = CS_HREDRAW | CS_VREDRAW;
- wndclass.lpfnWndProc = rpng2_win_wndproc;
- wndclass.hInstance = global_hInst;
- wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
- wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
- wndclass.hbrBackground = (HBRUSH)GetStockObject(DKGRAY_BRUSH);
- wndclass.lpszMenuName = NULL;
- wndclass.lpszClassName = progname;
- wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
-
- RegisterClassEx(&wndclass);
-
-/*---------------------------------------------------------------------------
- Finally, create the window.
- ---------------------------------------------------------------------------*/
-
- extra_width = 2*(GetSystemMetrics(SM_CXBORDER) +
- GetSystemMetrics(SM_CXDLGFRAME));
- extra_height = 2*(GetSystemMetrics(SM_CYBORDER) +
- GetSystemMetrics(SM_CYDLGFRAME)) +
- GetSystemMetrics(SM_CYCAPTION);
-
- global_hwnd = CreateWindow(progname, titlebar, WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT, CW_USEDEFAULT, rpng2_info.width+extra_width,
- rpng2_info.height+extra_height, NULL, NULL, global_hInst, NULL);
-
- ShowWindow(global_hwnd, global_showmode);
- UpdateWindow(global_hwnd);
-
-/*---------------------------------------------------------------------------
- Now compute the background image and display it. If it fails (memory
- allocation), revert to a plain background color.
- ---------------------------------------------------------------------------*/
-
- if (bg_image) {
- static const char *msg = "Computing background image...";
- int x, y, len = strlen(msg);
- HDC hdc = GetDC(global_hwnd);
- TEXTMETRIC tm;
-
- GetTextMetrics(hdc, &tm);
- x = (rpng2_info.width - len*tm.tmAveCharWidth)/2;
- y = (rpng2_info.height - tm.tmHeight)/2;
- SetBkMode(hdc, TRANSPARENT);
- SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
- /* this can still begin out of bounds even if x is positive (???): */
- TextOut(hdc, ((x < 0)? 0 : x), ((y < 0)? 0 : y), msg, len);
- ReleaseDC(global_hwnd, hdc);
-
- rpng2_win_load_bg_image(); /* resets bg_image if fails */
- }
-
- if (!bg_image) {
- for (j = 0; j < rpng2_info.height; ++j) {
- dest = wimage_data + j*wimage_rowbytes;
- for (i = rpng2_info.width; i > 0; --i) {
- *dest++ = bg_blue;
- *dest++ = bg_green;
- *dest++ = bg_red;
- }
- }
- }
-
- rect.left = 0L;
- rect.top = 0L;
- rect.right = (LONG)rpng2_info.width; /* possibly off by one? */
- rect.bottom = (LONG)rpng2_info.height; /* possibly off by one? */
- InvalidateRect(global_hwnd, &rect, FALSE);
- UpdateWindow(global_hwnd); /* similar to XFlush() */
-
- return 0;
-
-} /* end function rpng2_win_create_window() */
-
-
-
-
-
-static int rpng2_win_load_bg_image()
-{
- uch *src, *dest;
- uch r1, r2, g1, g2, b1, b2;
- uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;
- int k, hmax, max;
- int xidx, yidx, yidx_max = (bgscale-1);
- int even_odd_vert, even_odd_horiz, even_odd;
- int invert_gradient2 = (bg[pat].type & 0x08);
- int invert_column;
- ulg i, row;
-
-/*---------------------------------------------------------------------------
- Allocate buffer for fake background image to be used with transparent
- images; if this fails, revert to plain background color.
- ---------------------------------------------------------------------------*/
-
- bg_rowbytes = 3 * rpng2_info.width;
- bg_data = (uch *)malloc(bg_rowbytes * rpng2_info.height);
- if (!bg_data) {
- fprintf(stderr, PROGNAME
- ": unable to allocate memory for background image\n");
- bg_image = 0;
- return 1;
- }
-
-/*---------------------------------------------------------------------------
- Vertical gradients (ramps) in NxN squares, alternating direction and
- colors (N == bgscale).
- ---------------------------------------------------------------------------*/
-
- if ((bg[pat].type & 0x07) == 0) {
- uch r1_min = rgb[bg[pat].rgb1_min].r;
- uch g1_min = rgb[bg[pat].rgb1_min].g;
- uch b1_min = rgb[bg[pat].rgb1_min].b;
- uch r2_min = rgb[bg[pat].rgb2_min].r;
- uch g2_min = rgb[bg[pat].rgb2_min].g;
- uch b2_min = rgb[bg[pat].rgb2_min].b;
- int r1_diff = rgb[bg[pat].rgb1_max].r - r1_min;
- int g1_diff = rgb[bg[pat].rgb1_max].g - g1_min;
- int b1_diff = rgb[bg[pat].rgb1_max].b - b1_min;
- int r2_diff = rgb[bg[pat].rgb2_max].r - r2_min;
- int g2_diff = rgb[bg[pat].rgb2_max].g - g2_min;
- int b2_diff = rgb[bg[pat].rgb2_max].b - b2_min;
-
- for (row = 0; row < rpng2_info.height; ++row) {
- yidx = row % bgscale;
- even_odd_vert = (row / bgscale) & 1;
-
- r1 = r1_min + (r1_diff * yidx) / yidx_max;
- g1 = g1_min + (g1_diff * yidx) / yidx_max;
- b1 = b1_min + (b1_diff * yidx) / yidx_max;
- r1_inv = r1_min + (r1_diff * (yidx_max-yidx)) / yidx_max;
- g1_inv = g1_min + (g1_diff * (yidx_max-yidx)) / yidx_max;
- b1_inv = b1_min + (b1_diff * (yidx_max-yidx)) / yidx_max;
-
- r2 = r2_min + (r2_diff * yidx) / yidx_max;
- g2 = g2_min + (g2_diff * yidx) / yidx_max;
- b2 = b2_min + (b2_diff * yidx) / yidx_max;
- r2_inv = r2_min + (r2_diff * (yidx_max-yidx)) / yidx_max;
- g2_inv = g2_min + (g2_diff * (yidx_max-yidx)) / yidx_max;
- b2_inv = b2_min + (b2_diff * (yidx_max-yidx)) / yidx_max;
-
- dest = bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- even_odd_horiz = (i / bgscale) & 1;
- even_odd = even_odd_vert ^ even_odd_horiz;
- invert_column =
- (even_odd_horiz && (bg[pat].type & 0x10));
- if (even_odd == 0) { /* gradient #1 */
- if (invert_column) {
- *dest++ = r1_inv;
- *dest++ = g1_inv;
- *dest++ = b1_inv;
- } else {
- *dest++ = r1;
- *dest++ = g1;
- *dest++ = b1;
- }
- } else { /* gradient #2 */
- if ((invert_column && invert_gradient2) ||
- (!invert_column && !invert_gradient2))
- {
- *dest++ = r2; /* not inverted or */
- *dest++ = g2; /* doubly inverted */
- *dest++ = b2;
- } else {
- *dest++ = r2_inv;
- *dest++ = g2_inv; /* singly inverted */
- *dest++ = b2_inv;
- }
- }
- }
- }
-
-/*---------------------------------------------------------------------------
- Soft gradient-diamonds with scale = bgscale. Code contributed by Adam
- M. Costello.
- ---------------------------------------------------------------------------*/
-
- } else if ((bg[pat].type & 0x07) == 1) {
-
- hmax = (bgscale-1)/2; /* half the max weight of a color */
- max = 2*hmax; /* the max weight of a color */
-
- r1 = rgb[bg[pat].rgb1_max].r;
- g1 = rgb[bg[pat].rgb1_max].g;
- b1 = rgb[bg[pat].rgb1_max].b;
- r2 = rgb[bg[pat].rgb2_max].r;
- g2 = rgb[bg[pat].rgb2_max].g;
- b2 = rgb[bg[pat].rgb2_max].b;
-
- for (row = 0; row < rpng2_info.height; ++row) {
- yidx = row % bgscale;
- if (yidx > hmax)
- yidx = bgscale-1 - yidx;
- dest = bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- xidx = i % bgscale;
- if (xidx > hmax)
- xidx = bgscale-1 - xidx;
- k = xidx + yidx;
- *dest++ = (k*r1 + (max-k)*r2) / max;
- *dest++ = (k*g1 + (max-k)*g2) / max;
- *dest++ = (k*b1 + (max-k)*b2) / max;
- }
- }
-
-/*---------------------------------------------------------------------------
- Radial "starburst" with azimuthal sinusoids; [eventually number of sinu-
- soids will equal bgscale?]. This one is slow but very cool. Code con-
- tributed by Pieter S. van der Meulen (originally in Smalltalk).
- ---------------------------------------------------------------------------*/
-
- } else if ((bg[pat].type & 0x07) == 2) {
- uch ch;
- int ii, x, y, hw, hh, grayspot;
- double freq, rotate, saturate, gray, intensity;
- double angle=0.0, aoffset=0.0, maxDist, dist;
- double red=0.0, green=0.0, blue=0.0, hue, s, v, f, p, q, t;
-
- fprintf(stderr, "%s: computing radial background...",
- PROGNAME);
- fflush(stderr);
-
- hh = rpng2_info.height / 2;
- hw = rpng2_info.width / 2;
-
- /* variables for radial waves:
- * aoffset: number of degrees to rotate hue [CURRENTLY NOT USED]
- * freq: number of color beams originating from the center
- * grayspot: size of the graying center area (anti-alias)
- * rotate: rotation of the beams as a function of radius
- * saturate: saturation of beams' shape azimuthally
- */
- angle = CLIP(angle, 0.0, 360.0);
- grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw));
- freq = MAX((double)bg[pat].bg_freq, 0.0);
- saturate = (double)bg[pat].bg_bsat * 0.1;
- rotate = (double)bg[pat].bg_brot * 0.1;
- gray = 0.0;
- intensity = 0.0;
- maxDist = (double)((hw*hw) + (hh*hh));
-
- for (row = 0; row < rpng2_info.height; ++row) {
- y = row - hh;
- dest = bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- x = i - hw;
- angle = (x == 0)? PI_2 : atan((double)y / (double)x);
- gray = (double)MAX(ABS(y), ABS(x)) / grayspot;
- gray = MIN(1.0, gray);
- dist = (double)((x*x) + (y*y)) / maxDist;
- intensity = cos((angle+(rotate*dist*PI)) * freq) *
- gray * saturate;
- intensity = (MAX(MIN(intensity,1.0),-1.0) + 1.0) * 0.5;
- hue = (angle + PI) * INV_PI_360 + aoffset;
- s = gray * ((double)(ABS(x)+ABS(y)) / (double)(hw + hh));
- s = MIN(MAX(s,0.0), 1.0);
- v = MIN(MAX(intensity,0.0), 1.0);
-
- if (s == 0.0) {
- ch = (uch)(v * 255.0);
- *dest++ = ch;
- *dest++ = ch;
- *dest++ = ch;
- } else {
- if ((hue < 0.0) || (hue >= 360.0))
- hue -= (((int)(hue / 360.0)) * 360.0);
- hue /= 60.0;
- ii = (int)hue;
- f = hue - (double)ii;
- p = (1.0 - s) * v;
- q = (1.0 - (s * f)) * v;
- t = (1.0 - (s * (1.0 - f))) * v;
- if (ii == 0) { red = v; green = t; blue = p; }
- else if (ii == 1) { red = q; green = v; blue = p; }
- else if (ii == 2) { red = p; green = v; blue = t; }
- else if (ii == 3) { red = p; green = q; blue = v; }
- else if (ii == 4) { red = t; green = p; blue = v; }
- else if (ii == 5) { red = v; green = p; blue = q; }
- *dest++ = (uch)(red * 255.0);
- *dest++ = (uch)(green * 255.0);
- *dest++ = (uch)(blue * 255.0);
- }
- }
- }
- fprintf(stderr, "done.\n");
- fflush(stderr);
- }
-
-/*---------------------------------------------------------------------------
- Blast background image to display buffer before beginning PNG decode;
- calling function will handle invalidation and UpdateWindow() call.
- ---------------------------------------------------------------------------*/
-
- for (row = 0; row < rpng2_info.height; ++row) {
- src = bg_data + row*bg_rowbytes;
- dest = wimage_data + row*wimage_rowbytes;
- for (i = rpng2_info.width; i > 0; --i) {
- r1 = *src++;
- g1 = *src++;
- b1 = *src++;
- *dest++ = b1;
- *dest++ = g1; /* note reverse order */
- *dest++ = r1;
- }
- }
-
- return 0;
-
-} /* end function rpng2_win_load_bg_image() */
-
-
-
-
-
-static void rpng2_win_display_row(ulg row)
-{
- uch bg_red = rpng2_info.bg_red;
- uch bg_green = rpng2_info.bg_green;
- uch bg_blue = rpng2_info.bg_blue;
- uch *src, *src2=NULL, *dest;
- uch r, g, b, a;
- ulg i;
- static int rows=0;
- static ulg firstrow;
-
-/*---------------------------------------------------------------------------
- rows and firstrow simply track how many rows (and which ones) have not
- yet been displayed; alternatively, we could call InvalidateRect() for
- every row and not bother with the records-keeping.
- ---------------------------------------------------------------------------*/
-
- Trace((stderr, "beginning rpng2_win_display_row()\n"))
-
- if (rows == 0)
- firstrow = row; /* first row not yet displayed */
-
- ++rows; /* count of rows received but not yet displayed */
-
-/*---------------------------------------------------------------------------
- Aside from the use of the rpng2_info struct and the lack of an outer
- loop (over rows), this routine is identical to rpng_win_display_image()
- in the non-progressive version of the program.
- ---------------------------------------------------------------------------*/
-
- src = rpng2_info.image_data + row*rpng2_info.rowbytes;
- if (bg_image)
- src2 = bg_data + row*bg_rowbytes;
- dest = wimage_data + row*wimage_rowbytes;
-
- if (rpng2_info.channels == 3) {
- for (i = rpng2_info.width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- *dest++ = b;
- *dest++ = g; /* note reverse order */
- *dest++ = r;
- }
- } else /* if (rpng2_info.channels == 4) */ {
- for (i = rpng2_info.width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- a = *src++;
- if (bg_image) {
- bg_red = *src2++;
- bg_green = *src2++;
- bg_blue = *src2++;
- }
- if (a == 255) {
- *dest++ = b;
- *dest++ = g;
- *dest++ = r;
- } else if (a == 0) {
- *dest++ = bg_blue;
- *dest++ = bg_green;
- *dest++ = bg_red;
- } else {
- /* this macro (copied from png.h) composites the
- * foreground and background values and puts the
- * result into the first argument; there are no
- * side effects with the first argument */
- alpha_composite(*dest++, b, a, bg_blue);
- alpha_composite(*dest++, g, a, bg_green);
- alpha_composite(*dest++, r, a, bg_red);
- }
- }
- }
-
-/*---------------------------------------------------------------------------
- Display after every 16 rows or when on last row. (Region may include
- previously displayed lines due to interlacing--i.e., not contiguous.)
- ---------------------------------------------------------------------------*/
-
- if ((rows & 0xf) == 0 || row == rpng2_info.height-1) {
- RECT rect;
-
- rect.left = 0L;
- rect.top = (LONG)firstrow;
- rect.right = (LONG)rpng2_info.width; /* possibly off by one? */
- rect.bottom = (LONG)row + 1L; /* possibly off by one? */
- InvalidateRect(global_hwnd, &rect, FALSE);
- UpdateWindow(global_hwnd); /* similar to XFlush() */
- rows = 0;
- }
-
-} /* end function rpng2_win_display_row() */
-
-
-
-
-
-static void rpng2_win_finish_display()
-{
- Trace((stderr, "beginning rpng2_win_finish_display()\n"))
-
- /* last row has already been displayed by rpng2_win_display_row(), so
- * we have nothing to do here except set a flag and let the user know
- * that the image is done */
-
- rpng2_info.state = kDone;
- printf(
- "Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n");
- fflush(stdout);
-}
-
-
-
-
-
-static void rpng2_win_cleanup()
-{
- if (bg_image && bg_data) {
- free(bg_data);
- bg_data = NULL;
- }
-
- if (rpng2_info.image_data) {
- free(rpng2_info.image_data);
- rpng2_info.image_data = NULL;
- }
-
- if (rpng2_info.row_pointers) {
- free(rpng2_info.row_pointers);
- rpng2_info.row_pointers = NULL;
- }
-
- if (dib) {
- free(dib);
- dib = NULL;
- }
-}
-
-
-
-
-
-LRESULT CALLBACK rpng2_win_wndproc(HWND hwnd, UINT iMsg, WPARAM wP, LPARAM lP)
-{
- HDC hdc;
- PAINTSTRUCT ps;
- int rc;
-
- switch (iMsg) {
- case WM_CREATE:
- /* one-time processing here, if any */
- return 0;
-
- case WM_PAINT:
- hdc = BeginPaint(hwnd, &ps);
- rc = StretchDIBits(hdc, 0, 0, rpng2_info.width, rpng2_info.height,
- 0, 0, rpng2_info.width, rpng2_info.height,
- wimage_data, (BITMAPINFO *)bmih,
- 0, SRCCOPY);
- EndPaint(hwnd, &ps);
- return 0;
-
- /* wait for the user to tell us when to quit */
- case WM_CHAR:
- switch (wP) { /* only need one, so ignore repeat count */
- case 'q':
- case 'Q':
- case 0x1B: /* Esc key */
- PostQuitMessage(0);
- }
- return 0;
-
- case WM_LBUTTONDOWN: /* another way of quitting */
- case WM_DESTROY:
- PostQuitMessage(0);
- return 0;
- }
-
- return DefWindowProc(hwnd, iMsg, wP, lP);
-}
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- rpng2 - progressive-model PNG display program rpng2-x.c
-
- This program decodes and displays PNG files progressively, as if it were
- a web browser (though the front end is only set up to read from files).
- It supports gamma correction, user-specified background colors, and user-
- specified background patterns (for transparent images). This version is
- for the X Window System (tested by the author under Unix and by Martin
- Zinser under OpenVMS; may work under OS/2 with a little tweaking).
-
- Thanks to Adam Costello and Pieter S. van der Meulen for the "diamond"
- and "radial waves" patterns, respectively.
-
- to do (someday, maybe):
- - fix expose/redraw code: don't draw entire row if only part exposed
- - 8-bit (colormapped) X support
- - finish resizable checkerboard-gradient (sizes 4-128?)
- - use %.1023s to simplify truncation of title-bar string?
-
- ---------------------------------------------------------------------------
-
- Changelog:
- - 1.01: initial public release
- - 1.02: modified to allow abbreviated options; fixed char/uchar mismatch
- - 1.10: added support for non-default visuals; fixed X pixel-conversion
- - 1.11: added -usleep option for demos; fixed command-line parsing bug
- - 1.12: added -pause option for demos and testing
- - 1.20: added runtime MMX-enabling/disabling and new -mmx* options
- - 1.21: fixed some small X memory leaks (thanks to François Petitjean)
- - 1.22: fixed XFreeGC() crash bug (thanks to Patrick Welche)
- - 1.23: added -bgpat 0 mode (std white/gray checkerboard, 8x8 squares)
- - 1.30: added -loop option for -bgpat (ifdef FEATURE_LOOP); fixed bpp =
- 24; added support for X resources (thanks to Gerhard Niklasch)
- - 1.31: added code to skip unused chunks (thanks to Glenn Randers-Pehrson)
- - 1.32: added AMD64/EM64T support (__x86_64__); added basic expose/redraw
- handling
- - 2.00: dual-licensed (added GNU GPL)
- - 2.01: fixed 64-bit typo in readpng2.c; fixed -pause usage description
- - 2.02: fixed improper display of usage screen on PNG error(s); fixed
- unexpected-EOF and file-read-error cases; fixed Trace() cut-and-
- paste bugs
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#define PROGNAME "rpng2-x"
-#define LONGNAME "Progressive PNG Viewer for X"
-#define VERSION "2.02 of 16 March 2008"
-#define RESNAME "rpng2" /* our X resource application name */
-#define RESCLASS "Rpng" /* our X resource class name */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <string.h>
-#include <setjmp.h> /* for jmpbuf declaration in readpng2.h */
-#include <time.h>
-#include <math.h> /* only for PvdM background code */
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xos.h>
-#include <X11/keysym.h> /* defines XK_* macros */
-
-#ifdef VMS
-# include <unistd.h>
-#endif
-
-/* all for PvdM background code: */
-#ifndef PI
-# define PI 3.141592653589793238
-#endif
-#define PI_2 (PI*0.5)
-#define INV_PI_360 (360.0 / PI)
-#define MAX(a,b) (a>b?a:b)
-#define MIN(a,b) (a<b?a:b)
-#define CLIP(a,min,max) MAX(min,MIN((a),max))
-#define ABS(a) ((a)<0?-(a):(a))
-#define CLIP8P(c) MAX(0,(MIN((c),255))) /* 8-bit pos. integer (uch) */
-#define ROUNDF(f) ((int)(f + 0.5))
-
-#define QUIT(e,k) ((e.type == ButtonPress && e.xbutton.button == Button1) || \
- (e.type == KeyPress && /* v--- or 1 for shifted keys */ \
- ((k = XLookupKeysym(&e.xkey, 0)) == XK_q || k == XK_Escape)))
-
-#define NO_24BIT_MASKS /* undef case not fully written--only for redisplay() */
-
-#define rgb1_max bg_freq
-#define rgb1_min bg_gray
-#define rgb2_max bg_bsat
-#define rgb2_min bg_brot
-
-/* #define DEBUG */ /* this enables the Trace() macros */
-
-#include "readpng2.h" /* typedefs, common macros, readpng2 prototypes */
-
-
-/* could just include png.h, but this macro is the only thing we need
- * (name and typedefs changed to local versions); note that side effects
- * only happen with alpha (which could easily be avoided with
- * "ush acopy = (alpha);") */
-
-#define alpha_composite(composite, fg, alpha, bg) { \
- ush temp = ((ush)(fg)*(ush)(alpha) + \
- (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \
- (composite) = (uch)((temp + (temp >> 8)) >> 8); \
-}
-
-
-#define INBUFSIZE 4096 /* with pseudo-timing on (1 sec delay/block), this
- * block size corresponds roughly to a download
- * speed 10% faster than theoretical 33.6K maximum
- * (assuming 8 data bits, 1 stop bit and no other
- * overhead) */
-
-/* local prototypes */
-static void rpng2_x_init (void);
-static int rpng2_x_create_window (void);
-static int rpng2_x_load_bg_image (void);
-static void rpng2_x_display_row (ulg row);
-static void rpng2_x_finish_display (void);
-static void rpng2_x_redisplay_image (ulg startcol, ulg startrow,
- ulg width, ulg height);
-#ifdef FEATURE_LOOP
-static void rpng2_x_reload_bg_image (void);
-static int is_number (char *p);
-#endif
-static void rpng2_x_cleanup (void);
-static int rpng2_x_msb (ulg u32val);
-
-
-static char titlebar[1024], *window_name = titlebar;
-static char *appname = LONGNAME;
-static char *icon_name = PROGNAME;
-static char *res_name = RESNAME;
-static char *res_class = RESCLASS;
-static char *filename;
-static FILE *infile;
-
-static mainprog_info rpng2_info;
-
-static uch inbuf[INBUFSIZE];
-static int incount;
-
-static int pat = 6; /* must be less than num_bgpat */
-static int bg_image = 0;
-static int bgscale, bgscale_default = 16;
-static ulg bg_rowbytes;
-static uch *bg_data;
-
-int pause_after_pass = FALSE;
-int demo_timing = FALSE;
-ulg usleep_duration = 0L;
-
-static struct rgb_color {
- uch r, g, b;
-} rgb[] = {
- { 0, 0, 0}, /* 0: black */
- {255, 255, 255}, /* 1: white */
- {173, 132, 57}, /* 2: tan */
- { 64, 132, 0}, /* 3: medium green */
- {189, 117, 1}, /* 4: gold */
- {253, 249, 1}, /* 5: yellow */
- { 0, 0, 255}, /* 6: blue */
- { 0, 0, 120}, /* 7: medium blue */
- {255, 0, 255}, /* 8: magenta */
- { 64, 0, 64}, /* 9: dark magenta */
- {255, 0, 0}, /* 10: red */
- { 64, 0, 0}, /* 11: dark red */
- {255, 127, 0}, /* 12: orange */
- {192, 96, 0}, /* 13: darker orange */
- { 24, 60, 0}, /* 14: dark green-yellow */
- { 85, 125, 200}, /* 15: ice blue */
- {192, 192, 192} /* 16: Netscape/Mosaic gray */
-};
-/* not used for now, but should be for error-checking:
-static int num_rgb = sizeof(rgb) / sizeof(struct rgb_color);
- */
-
-/*
- This whole struct is a fairly cheesy way to keep the number of
- command-line options to a minimum. The radial-waves background
- type is a particularly poor fit to the integer elements of the
- struct...but a few macros and a little fixed-point math will do
- wonders for ya.
-
- type bits:
- F E D C B A 9 8 7 6 5 4 3 2 1 0
- | | | | |
- | | +-+-+-- 0 = sharp-edged checkerboard
- | | 1 = soft diamonds
- | | 2 = radial waves
- | | 3-7 = undefined
- | +-- gradient #2 inverted?
- +-- alternating columns inverted?
- */
-static struct background_pattern {
- ush type;
- int rgb1_max, rgb1_min; /* or bg_freq, bg_gray */
- int rgb2_max, rgb2_min; /* or bg_bsat, bg_brot (both scaled by 10)*/
-} bg[] = {
- {0, 1,1, 16,16}, /* checkered: white vs. light gray (basic) */
- {0+8, 2,0, 1,15}, /* checkered: tan/black vs. white/ice blue */
- {0+24, 2,0, 1,0}, /* checkered: tan/black vs. white/black */
- {0+8, 4,5, 0,2}, /* checkered: gold/yellow vs. black/tan */
- {0+8, 4,5, 0,6}, /* checkered: gold/yellow vs. black/blue */
- {0, 7,0, 8,9}, /* checkered: deep blue/black vs. magenta */
- {0+8, 13,0, 5,14}, /* checkered: orange/black vs. yellow */
- {0+8, 12,0, 10,11}, /* checkered: orange/black vs. red */
- {1, 7,0, 8,0}, /* diamonds: deep blue/black vs. magenta */
- {1, 12,0, 11,0}, /* diamonds: orange vs. dark red */
- {1, 10,0, 7,0}, /* diamonds: red vs. medium blue */
- {1, 4,0, 5,0}, /* diamonds: gold vs. yellow */
- {1, 3,0, 0,0}, /* diamonds: medium green vs. black */
- {2, 16, 100, 20, 0}, /* radial: ~hard radial color-beams */
- {2, 18, 100, 10, 2}, /* radial: soft, curved radial color-beams */
- {2, 16, 256, 100, 250}, /* radial: very tight spiral */
- {2, 10000, 256, 11, 0} /* radial: dipole-moire' (almost fractal) */
-};
-static int num_bgpat = sizeof(bg) / sizeof(struct background_pattern);
-
-
-/* X-specific variables */
-static char *displayname;
-static XImage *ximage;
-static Display *display;
-static int depth;
-static Visual *visual;
-static XVisualInfo *visual_list;
-static int RShift, GShift, BShift;
-static ulg RMask, GMask, BMask;
-static Window window;
-static GC gc;
-static Colormap colormap;
-
-static int have_nondefault_visual = FALSE;
-static int have_colormap = FALSE;
-static int have_window = FALSE;
-static int have_gc = FALSE;
-
-
-
-
-int main(int argc, char **argv)
-{
-#ifdef sgi
- char tmpline[80];
-#endif
- char *p, *bgstr = NULL;
- int rc, alen, flen;
- int error = 0;
- int timing = FALSE;
- int have_bg = FALSE;
-#ifdef FEATURE_LOOP
- int loop = FALSE;
- long loop_interval = -1; /* seconds (100,000 max) */
-#endif
- double LUT_exponent; /* just the lookup table */
- double CRT_exponent = 2.2; /* just the monitor */
- double default_display_exponent; /* whole display system */
- XEvent e;
- KeySym k;
-
-
- /* First initialize a few things, just to be sure--memset takes care of
- * default background color (black), booleans (FALSE), pointers (NULL),
- * etc. */
-
- displayname = (char *)NULL;
- filename = (char *)NULL;
- memset(&rpng2_info, 0, sizeof(mainprog_info));
-
-
- /* Set the default value for our display-system exponent, i.e., the
- * product of the CRT exponent and the exponent corresponding to
- * the frame-buffer's lookup table (LUT), if any. This is not an
- * exhaustive list of LUT values (e.g., OpenStep has a lot of weird
- * ones), but it should cover 99% of the current possibilities. */
-
-#if defined(NeXT)
- /* third-party utilities can modify the default LUT exponent */
- LUT_exponent = 1.0 / 2.2;
- /*
- if (some_next_function_that_returns_gamma(&next_gamma))
- LUT_exponent = 1.0 / next_gamma;
- */
-#elif defined(sgi)
- LUT_exponent = 1.0 / 1.7;
- /* there doesn't seem to be any documented function to
- * get the "gamma" value, so we do it the hard way */
- infile = fopen("/etc/config/system.glGammaVal", "r");
- if (infile) {
- double sgi_gamma;
-
- fgets(tmpline, 80, infile);
- fclose(infile);
- sgi_gamma = atof(tmpline);
- if (sgi_gamma > 0.0)
- LUT_exponent = 1.0 / sgi_gamma;
- }
-#elif defined(Macintosh)
- LUT_exponent = 1.8 / 2.61;
- /*
- if (some_mac_function_that_returns_gamma(&mac_gamma))
- LUT_exponent = mac_gamma / 2.61;
- */
-#else
- LUT_exponent = 1.0; /* assume no LUT: most PCs */
-#endif
-
- /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */
- default_display_exponent = LUT_exponent * CRT_exponent;
-
-
- /* If the user has set the SCREEN_GAMMA environment variable as suggested
- * (somewhat imprecisely) in the libpng documentation, use that; otherwise
- * use the default value we just calculated. Either way, the user may
- * override this via a command-line option. */
-
- if ((p = getenv("SCREEN_GAMMA")) != NULL)
- rpng2_info.display_exponent = atof(p);
- else
- rpng2_info.display_exponent = default_display_exponent;
-
-
- /* Now parse the command line for options and the PNG filename. */
-
- while (*++argv && !error) {
- if (!strncmp(*argv, "-display", 2)) {
- if (!*++argv)
- ++error;
- else
- displayname = *argv;
- } else if (!strncmp(*argv, "-gamma", 2)) {
- if (!*++argv)
- ++error;
- else {
- rpng2_info.display_exponent = atof(*argv);
- if (rpng2_info.display_exponent <= 0.0)
- ++error;
- }
- } else if (!strncmp(*argv, "-bgcolor", 4)) {
- if (!*++argv)
- ++error;
- else {
- bgstr = *argv;
- if (strlen(bgstr) != 7 || bgstr[0] != '#')
- ++error;
- else {
- have_bg = TRUE;
- bg_image = FALSE;
- }
- }
- } else if (!strncmp(*argv, "-bgpat", 4)) {
- if (!*++argv)
- ++error;
- else {
- pat = atoi(*argv);
- if (pat >= 0 && pat < num_bgpat) {
- bg_image = TRUE;
- have_bg = FALSE;
- } else
- ++error;
- }
- } else if (!strncmp(*argv, "-usleep", 2)) {
- if (!*++argv)
- ++error;
- else {
- usleep_duration = (ulg)atol(*argv);
- demo_timing = TRUE;
- }
- } else if (!strncmp(*argv, "-pause", 2)) {
- pause_after_pass = TRUE;
- } else if (!strncmp(*argv, "-timing", 2)) {
- timing = TRUE;
-#ifdef FEATURE_LOOP
- } else if (!strncmp(*argv, "-loop", 2)) {
- loop = TRUE;
- if (!argv[1] || !is_number(argv[1]))
- loop_interval = 2;
- else {
- ++argv;
- loop_interval = atol(*argv);
- if (loop_interval < 0)
- loop_interval = 2;
- else if (loop_interval > 100000) /* bit more than one day */
- loop_interval = 100000;
- }
-#endif
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- } else if (!strncmp(*argv, "-nommxfilters", 7)) {
- rpng2_info.nommxfilters = TRUE;
- } else if (!strncmp(*argv, "-nommxcombine", 7)) {
- rpng2_info.nommxcombine = TRUE;
- } else if (!strncmp(*argv, "-nommxinterlace", 7)) {
- rpng2_info.nommxinterlace = TRUE;
- } else if (!strcmp(*argv, "-nommx")) {
- rpng2_info.nommxfilters = TRUE;
- rpng2_info.nommxcombine = TRUE;
- rpng2_info.nommxinterlace = TRUE;
-#endif
- } else {
- if (**argv != '-') {
- filename = *argv;
- if (argv[1]) /* shouldn't be any more args after filename */
- ++error;
- } else
- ++error; /* not expecting any other options */
- }
- }
-
- if (!filename)
- ++error;
-
-
- /* print usage screen if any errors up to this point */
-
- if (error) {
- fprintf(stderr, "\n%s %s: %s\n\n", PROGNAME, VERSION, appname);
- readpng2_version_info();
- fprintf(stderr, "\n"
- "Usage: %s [-display xdpy] [-gamma exp] [-bgcolor bg | -bgpat pat]\n"
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- " %*s [[-nommxfilters] [-nommxcombine] [-nommxinterlace] | -nommx]\n"
-#endif
-#ifdef FEATURE_LOOP
- " %*s [-usleep dur | -timing] [-pause] [-loop [sec]] file.png\n\n"
-#else
- " %*s [-usleep dur | -timing] [-pause] file.png\n\n"
-#endif
- " xdpy\tname of the target X display (e.g., ``hostname:0'')\n"
- " exp \ttransfer-function exponent (``gamma'') of the display\n"
- "\t\t system in floating-point format (e.g., ``%.1f''); equal\n"
- "\t\t to the product of the lookup-table exponent (varies)\n"
- "\t\t and the CRT exponent (usually 2.2); must be positive\n"
- " bg \tdesired background color in 7-character hex RGB format\n"
- "\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n"
- "\t\t used with transparent images; overrides -bgpat\n"
- " pat \tdesired background pattern number (0-%d); used with\n"
- "\t\t transparent images; overrides -bgcolor\n"
-#ifdef FEATURE_LOOP
- " -loop\tloops through background images after initial display\n"
- "\t\t is complete (depends on -bgpat)\n"
- " sec \tseconds to display each background image (default = 2)\n"
-#endif
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- " -nommx*\tdisable optimized MMX routines for decoding row filters,\n"
- "\t\t combining rows, and expanding interlacing, respectively\n"
-#endif
- " dur \tduration in microseconds to wait after displaying each\n"
- "\t\t row (for demo purposes)\n"
- " -timing\tenables delay for every block read, to simulate modem\n"
- "\t\t download of image (~36 Kbps)\n"
- " -pause\tpauses after displaying each pass until mouse clicked\n"
- "\nPress Q, Esc or mouse button 1 (within image window, after image\n"
- "is displayed) to quit.\n"
- "\n", PROGNAME,
-#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
- (int)strlen(PROGNAME), " ",
-#endif
- (int)strlen(PROGNAME), " ", default_display_exponent, num_bgpat-1);
- exit(1);
- }
-
-
- if (!(infile = fopen(filename, "rb"))) {
- fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename);
- ++error;
- } else {
- incount = fread(inbuf, 1, INBUFSIZE, infile);
- if (incount < 8 || !readpng2_check_sig(inbuf, 8)) {
- fprintf(stderr, PROGNAME
- ": [%s] is not a PNG file: incorrect signature\n",
- filename);
- ++error;
- } else if ((rc = readpng2_init(&rpng2_info)) != 0) {
- switch (rc) {
- case 2:
- fprintf(stderr, PROGNAME
- ": [%s] has bad IHDR (libpng longjmp)\n", filename);
- break;
- case 4:
- fprintf(stderr, PROGNAME ": insufficient memory\n");
- break;
- default:
- fprintf(stderr, PROGNAME
- ": unknown readpng2_init() error\n");
- break;
- }
- ++error;
- } else {
- Trace((stderr, "about to call XOpenDisplay()\n"))
- display = XOpenDisplay(displayname);
- if (!display) {
- readpng2_cleanup(&rpng2_info);
- fprintf(stderr, PROGNAME ": can't open X display [%s]\n",
- displayname? displayname : "default");
- ++error;
- }
- }
- if (error)
- fclose(infile);
- }
-
-
- if (error) {
- fprintf(stderr, PROGNAME ": aborting.\n");
- exit(2);
- }
-
-
- /* set the title-bar string, but make sure buffer doesn't overflow */
-
- alen = strlen(appname);
- flen = strlen(filename);
- if (alen + flen + 3 > 1023)
- sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023));
- else
- sprintf(titlebar, "%s: %s", appname, filename);
-
-
- /* set some final rpng2_info variables before entering main data loop */
-
- if (have_bg) {
- unsigned r, g, b; /* this approach quiets compiler warnings */
-
- sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b);
- rpng2_info.bg_red = (uch)r;
- rpng2_info.bg_green = (uch)g;
- rpng2_info.bg_blue = (uch)b;
- } else
- rpng2_info.need_bgcolor = TRUE;
-
- rpng2_info.state = kPreInit;
- rpng2_info.mainprog_init = rpng2_x_init;
- rpng2_info.mainprog_display_row = rpng2_x_display_row;
- rpng2_info.mainprog_finish_display = rpng2_x_finish_display;
-
-
- /* OK, this is the fun part: call readpng2_decode_data() at the start of
- * the loop to deal with our first buffer of data (read in above to verify
- * that the file is a PNG image), then loop through the file and continue
- * calling the same routine to handle each chunk of data. It in turn
- * passes the data to libpng, which will invoke one or more of our call-
- * backs as decoded data become available. We optionally call sleep() for
- * one second per iteration to simulate downloading the image via an analog
- * modem. */
-
- for (;;) {
- Trace((stderr, "about to call readpng2_decode_data()\n"))
- if (readpng2_decode_data(&rpng2_info, inbuf, incount))
- ++error;
- Trace((stderr, "done with readpng2_decode_data()\n"))
-
- if (error || incount != INBUFSIZE || rpng2_info.state == kDone) {
- if (rpng2_info.state == kDone) {
- Trace((stderr, "done decoding PNG image\n"))
- } else if (ferror(infile)) {
- fprintf(stderr, PROGNAME
- ": error while reading PNG image file\n");
- exit(3);
- } else if (feof(infile)) {
- fprintf(stderr, PROGNAME ": end of file reached "
- "(unexpectedly) while reading PNG image file\n");
- exit(3);
- } else /* if (error) */ {
- // will print error message below
- }
- break;
- }
-
- if (timing)
- sleep(1);
-
- incount = fread(inbuf, 1, INBUFSIZE, infile);
- }
-
-
- /* clean up PNG stuff and report any decoding errors */
-
- fclose(infile);
- Trace((stderr, "about to call readpng2_cleanup()\n"))
- readpng2_cleanup(&rpng2_info);
-
- if (error) {
- fprintf(stderr, PROGNAME ": libpng error while decoding PNG image\n");
- exit(3);
- }
-
-
-#ifdef FEATURE_LOOP
-
- if (loop && bg_image) {
- Trace((stderr, "entering -loop loop (FEATURE_LOOP)\n"))
- for (;;) {
- int i, use_sleep;
- struct timeval now, then;
-
- /* get current time and add loop_interval to get target time */
- if (gettimeofday(&then, NULL) == 0) {
- then.tv_sec += loop_interval;
- use_sleep = FALSE;
- } else
- use_sleep = TRUE;
-
- /* do quick check for a quit event but don't wait for it */
- /* GRR BUG: should also check for Expose events and redraw... */
- if (XCheckMaskEvent(display, KeyPressMask | ButtonPressMask, &e))
- if (QUIT(e,k))
- break;
-
- /* generate next background image */
- if (++pat >= num_bgpat)
- pat = 0;
- rpng2_x_reload_bg_image();
-
- /* wait for timeout, using whatever means are available */
- if (use_sleep || gettimeofday(&now, NULL) != 0) {
- for (i = loop_interval; i > 0; --i) {
- sleep(1);
- /* GRR BUG: also need to check for Expose (and redraw!) */
- if (XCheckMaskEvent(display, KeyPressMask | ButtonPressMask,
- &e) && QUIT(e,k))
- break;
- }
- } else {
- /* Y2038 BUG! */
- if (now.tv_sec < then.tv_sec ||
- (now.tv_sec == then.tv_sec && now.tv_usec < then.tv_usec))
- {
- int quit = FALSE;
- long seconds_to_go = then.tv_sec - now.tv_sec;
- long usleep_usec;
-
- /* basically chew up most of remaining loop-interval with
- * calls to sleep(1) interleaved with checks for quit
- * events, but also recalc time-to-go periodically; when
- * done, clean up any remaining time with usleep() call
- * (could also use SIGALRM, but signals are a pain...) */
- while (seconds_to_go-- > 1) {
- int seconds_done = 0;
-
- for (i = seconds_to_go; i > 0 && !quit; --i) {
- sleep(1);
- /* GRR BUG: need to check for Expose and redraw */
- if (XCheckMaskEvent(display, KeyPressMask |
- ButtonPressMask, &e) && QUIT(e,k))
- quit = TRUE;
- if (++seconds_done > 1000)
- break; /* time to redo seconds_to_go meas. */
- }
- if (quit)
- break;
-
- /* OK, more than 1000 seconds since last check:
- * correct the time-to-go measurement for drift */
- if (gettimeofday(&now, NULL) == 0) {
- if (now.tv_sec >= then.tv_sec)
- break;
- seconds_to_go = then.tv_sec - now.tv_sec;
- } else
- ++seconds_to_go; /* restore what we subtracted */
- }
- if (quit)
- break; /* breaks outer do-loop, skips redisplay */
-
- /* since difference between "now" and "then" is already
- * eaten up to within a couple of seconds, don't need to
- * worry about overflow--but might have overshot (neg.) */
- if (gettimeofday(&now, NULL) == 0) {
- usleep_usec = 1000000L*(then.tv_sec - now.tv_sec) +
- then.tv_usec - now.tv_usec;
- if (usleep_usec > 0)
- usleep((ulg)usleep_usec);
- }
- }
- }
-
- /* composite image against new background and display (note that
- * we do not take into account the time spent doing this...) */
- rpng2_x_redisplay_image (0, 0, rpng2_info.width, rpng2_info.height);
- }
-
- } else /* FALL THROUGH and do the normal thing */
-
-#endif /* FEATURE_LOOP */
-
- /* wait for the user to tell us when to quit */
-
- if (rpng2_info.state >= kWindowInit) {
- Trace((stderr, "entering final wait-for-quit-event loop\n"))
- do {
- XNextEvent(display, &e);
- if (e.type == Expose) {
- XExposeEvent *ex = (XExposeEvent *)&e;
- rpng2_x_redisplay_image (ex->x, ex->y, ex->width, ex->height);
- }
- } while (!QUIT(e,k));
- } else {
- fprintf(stderr, PROGNAME ": init callback never called: probable "
- "libpng error while decoding PNG metadata\n");
- exit(4);
- }
-
-
- /* we're done: clean up all image and X resources and go away */
-
- Trace((stderr, "about to call rpng2_x_cleanup()\n"))
- rpng2_x_cleanup();
-
- return 0;
-}
-
-
-
-
-
-/* this function is called by readpng2_info_callback() in readpng2.c, which
- * in turn is called by libpng after all of the pre-IDAT chunks have been
- * read and processed--i.e., we now have enough info to finish initializing */
-
-static void rpng2_x_init(void)
-{
- ulg i;
- ulg rowbytes = rpng2_info.rowbytes;
-
- Trace((stderr, "beginning rpng2_x_init()\n"))
- Trace((stderr, " rowbytes = %d\n", rpng2_info.rowbytes))
- Trace((stderr, " width = %ld\n", rpng2_info.width))
- Trace((stderr, " height = %ld\n", rpng2_info.height))
-
- rpng2_info.image_data = (uch *)malloc(rowbytes * rpng2_info.height);
- if (!rpng2_info.image_data) {
- readpng2_cleanup(&rpng2_info);
- return;
- }
-
- rpng2_info.row_pointers = (uch **)malloc(rpng2_info.height * sizeof(uch *));
- if (!rpng2_info.row_pointers) {
- free(rpng2_info.image_data);
- rpng2_info.image_data = NULL;
- readpng2_cleanup(&rpng2_info);
- return;
- }
-
- for (i = 0; i < rpng2_info.height; ++i)
- rpng2_info.row_pointers[i] = rpng2_info.image_data + i*rowbytes;
-
-
- /* do the basic X initialization stuff, make the window, and fill it with
- * the user-specified, file-specified or default background color or
- * pattern */
-
- if (rpng2_x_create_window()) {
-
- /* GRR TEMPORARY HACK: this is fundamentally no different from cases
- * above; libpng should longjmp() back to us when png_ptr goes away.
- * If we/it segfault instead, seems like a libpng bug... */
-
- /* we're here via libpng callback, so if window fails, clean and bail */
- readpng2_cleanup(&rpng2_info);
- rpng2_x_cleanup();
- exit(2);
- }
-
- rpng2_info.state = kWindowInit;
-}
-
-
-
-
-
-static int rpng2_x_create_window(void)
-{
- ulg bg_red = rpng2_info.bg_red;
- ulg bg_green = rpng2_info.bg_green;
- ulg bg_blue = rpng2_info.bg_blue;
- ulg bg_pixel = 0L;
- ulg attrmask;
- int need_colormap = FALSE;
- int screen, pad;
- uch *xdata;
- Window root;
- XEvent e;
- XGCValues gcvalues;
- XSetWindowAttributes attr;
- XTextProperty windowName, *pWindowName = &windowName;
- XTextProperty iconName, *pIconName = &iconName;
- XVisualInfo visual_info;
- XSizeHints *size_hints;
- XWMHints *wm_hints;
- XClassHint *class_hints;
-
-
- Trace((stderr, "beginning rpng2_x_create_window()\n"))
-
- screen = DefaultScreen(display);
- depth = DisplayPlanes(display, screen);
- root = RootWindow(display, screen);
-
-#ifdef DEBUG
- XSynchronize(display, True);
-#endif
-
- if (depth != 16 && depth != 24 && depth != 32) {
- int visuals_matched = 0;
-
- Trace((stderr, "default depth is %d: checking other visuals\n",
- depth))
-
- /* 24-bit first */
- visual_info.screen = screen;
- visual_info.depth = 24;
- visual_list = XGetVisualInfo(display,
- VisualScreenMask | VisualDepthMask, &visual_info, &visuals_matched);
- if (visuals_matched == 0) {
-/* GRR: add 15-, 16- and 32-bit TrueColor visuals (also DirectColor?) */
- fprintf(stderr, "default screen depth %d not supported, and no"
- " 24-bit visuals found\n", depth);
- return 2;
- }
- Trace((stderr, "XGetVisualInfo() returned %d 24-bit visuals\n",
- visuals_matched))
- visual = visual_list[0].visual;
- depth = visual_list[0].depth;
-/*
- colormap_size = visual_list[0].colormap_size;
- visual_class = visual->class;
- visualID = XVisualIDFromVisual(visual);
- */
- have_nondefault_visual = TRUE;
- need_colormap = TRUE;
- } else {
- XMatchVisualInfo(display, screen, depth, TrueColor, &visual_info);
- visual = visual_info.visual;
- }
-
- RMask = visual->red_mask;
- GMask = visual->green_mask;
- BMask = visual->blue_mask;
-
-/* GRR: add/check 8-bit support */
- if (depth == 8 || need_colormap) {
- colormap = XCreateColormap(display, root, visual, AllocNone);
- if (!colormap) {
- fprintf(stderr, "XCreateColormap() failed\n");
- return 2;
- }
- have_colormap = TRUE;
- if (depth == 8)
- bg_image = FALSE; /* gradient just wastes palette entries */
- }
- if (depth == 15 || depth == 16) {
- RShift = 15 - rpng2_x_msb(RMask); /* these are right-shifts */
- GShift = 15 - rpng2_x_msb(GMask);
- BShift = 15 - rpng2_x_msb(BMask);
- } else if (depth > 16) {
- RShift = rpng2_x_msb(RMask) - 7; /* these are left-shifts */
- GShift = rpng2_x_msb(GMask) - 7;
- BShift = rpng2_x_msb(BMask) - 7;
- }
- if (depth >= 15 && (RShift < 0 || GShift < 0 || BShift < 0)) {
- fprintf(stderr, "rpng2 internal logic error: negative X shift(s)!\n");
- return 2;
- }
-
-/*---------------------------------------------------------------------------
- Finally, create the window.
- ---------------------------------------------------------------------------*/
-
- attr.backing_store = Always;
- attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask;
- attrmask = CWBackingStore | CWEventMask;
- if (have_nondefault_visual) {
- attr.colormap = colormap;
- attr.background_pixel = 0;
- attr.border_pixel = 1;
- attrmask |= CWColormap | CWBackPixel | CWBorderPixel;
- }
-
- window = XCreateWindow(display, root, 0, 0, rpng2_info.width,
- rpng2_info.height, 0, depth, InputOutput, visual, attrmask, &attr);
-
- if (window == None) {
- fprintf(stderr, "XCreateWindow() failed\n");
- return 2;
- } else
- have_window = TRUE;
-
- if (depth == 8)
- XSetWindowColormap(display, window, colormap);
-
- if (!XStringListToTextProperty(&window_name, 1, pWindowName))
- pWindowName = NULL;
- if (!XStringListToTextProperty(&icon_name, 1, pIconName))
- pIconName = NULL;
-
- /* OK if either hints allocation fails; XSetWMProperties() allows NULLs */
-
- if ((size_hints = XAllocSizeHints()) != NULL) {
- /* window will not be resizable */
- size_hints->flags = PMinSize | PMaxSize;
- size_hints->min_width = size_hints->max_width = (int)rpng2_info.width;
- size_hints->min_height = size_hints->max_height =
- (int)rpng2_info.height;
- }
-
- if ((wm_hints = XAllocWMHints()) != NULL) {
- wm_hints->initial_state = NormalState;
- wm_hints->input = True;
- /* wm_hints->icon_pixmap = icon_pixmap; */
- wm_hints->flags = StateHint | InputHint /* | IconPixmapHint */ ;
- }
-
- if ((class_hints = XAllocClassHint()) != NULL) {
- class_hints->res_name = res_name;
- class_hints->res_class = res_class;
- }
-
- XSetWMProperties(display, window, pWindowName, pIconName, NULL, 0,
- size_hints, wm_hints, class_hints);
-
- /* various properties and hints no longer needed; free memory */
- if (pWindowName)
- XFree(pWindowName->value);
- if (pIconName)
- XFree(pIconName->value);
- if (size_hints)
- XFree(size_hints);
- if (wm_hints)
- XFree(wm_hints);
- if (class_hints)
- XFree(class_hints);
-
- XMapWindow(display, window);
-
- gc = XCreateGC(display, window, 0, &gcvalues);
- have_gc = TRUE;
-
-/*---------------------------------------------------------------------------
- Allocate memory for the X- and display-specific version of the image.
- ---------------------------------------------------------------------------*/
-
- if (depth == 24 || depth == 32) {
- xdata = (uch *)malloc(4*rpng2_info.width*rpng2_info.height);
- pad = 32;
- } else if (depth == 16) {
- xdata = (uch *)malloc(2*rpng2_info.width*rpng2_info.height);
- pad = 16;
- } else /* depth == 8 */ {
- xdata = (uch *)malloc(rpng2_info.width*rpng2_info.height);
- pad = 8;
- }
-
- if (!xdata) {
- fprintf(stderr, PROGNAME ": unable to allocate image memory\n");
- return 4;
- }
-
- ximage = XCreateImage(display, visual, depth, ZPixmap, 0,
- (char *)xdata, rpng2_info.width, rpng2_info.height, pad, 0);
-
- if (!ximage) {
- fprintf(stderr, PROGNAME ": XCreateImage() failed\n");
- free(xdata);
- return 3;
- }
-
- /* to avoid testing the byte order every pixel (or doubling the size of
- * the drawing routine with a giant if-test), we arbitrarily set the byte
- * order to MSBFirst and let Xlib worry about inverting things on little-
- * endian machines (e.g., Linux/x86, old VAXen, etc.)--this is not the
- * most efficient approach (the giant if-test would be better), but in
- * the interest of clarity, we'll take the easy way out... */
-
- ximage->byte_order = MSBFirst;
-
-/*---------------------------------------------------------------------------
- Fill window with the specified background color (default is black) or
- faked "background image" (but latter is disabled if 8-bit; gradients
- just waste palette entries).
- ---------------------------------------------------------------------------*/
-
- if (bg_image)
- rpng2_x_load_bg_image(); /* resets bg_image if fails */
-
- if (!bg_image) {
- if (depth == 24 || depth == 32) {
- bg_pixel = (bg_red << RShift) |
- (bg_green << GShift) |
- (bg_blue << BShift);
- } else if (depth == 16) {
- bg_pixel = (((bg_red << 8) >> RShift) & RMask) |
- (((bg_green << 8) >> GShift) & GMask) |
- (((bg_blue << 8) >> BShift) & BMask);
- } else /* depth == 8 */ {
-
- /* GRR: add 8-bit support */
-
- }
- XSetForeground(display, gc, bg_pixel);
- XFillRectangle(display, window, gc, 0, 0, rpng2_info.width,
- rpng2_info.height);
- }
-
-/*---------------------------------------------------------------------------
- Wait for first Expose event to do any drawing, then flush and return.
- ---------------------------------------------------------------------------*/
-
- do
- XNextEvent(display, &e);
- while (e.type != Expose || e.xexpose.count);
-
- XFlush(display);
-
- return 0;
-
-} /* end function rpng2_x_create_window() */
-
-
-
-
-
-static int rpng2_x_load_bg_image(void)
-{
- uch *src;
- char *dest;
- uch r1, r2, g1, g2, b1, b2;
- uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;
- int k, hmax, max;
- int xidx, yidx, yidx_max;
- int even_odd_vert, even_odd_horiz, even_odd;
- int invert_gradient2 = (bg[pat].type & 0x08);
- int invert_column;
- int ximage_rowbytes = ximage->bytes_per_line;
- ulg i, row;
- ulg pixel;
-
-/*---------------------------------------------------------------------------
- Allocate buffer for fake background image to be used with transparent
- images; if this fails, revert to plain background color.
- ---------------------------------------------------------------------------*/
-
- bg_rowbytes = 3 * rpng2_info.width;
- bg_data = (uch *)malloc(bg_rowbytes * rpng2_info.height);
- if (!bg_data) {
- fprintf(stderr, PROGNAME
- ": unable to allocate memory for background image\n");
- bg_image = 0;
- return 1;
- }
-
- bgscale = (pat == 0)? 8 : bgscale_default;
- yidx_max = bgscale - 1;
-
-/*---------------------------------------------------------------------------
- Vertical gradients (ramps) in NxN squares, alternating direction and
- colors (N == bgscale).
- ---------------------------------------------------------------------------*/
-
- if ((bg[pat].type & 0x07) == 0) {
- uch r1_min = rgb[bg[pat].rgb1_min].r;
- uch g1_min = rgb[bg[pat].rgb1_min].g;
- uch b1_min = rgb[bg[pat].rgb1_min].b;
- uch r2_min = rgb[bg[pat].rgb2_min].r;
- uch g2_min = rgb[bg[pat].rgb2_min].g;
- uch b2_min = rgb[bg[pat].rgb2_min].b;
- int r1_diff = rgb[bg[pat].rgb1_max].r - r1_min;
- int g1_diff = rgb[bg[pat].rgb1_max].g - g1_min;
- int b1_diff = rgb[bg[pat].rgb1_max].b - b1_min;
- int r2_diff = rgb[bg[pat].rgb2_max].r - r2_min;
- int g2_diff = rgb[bg[pat].rgb2_max].g - g2_min;
- int b2_diff = rgb[bg[pat].rgb2_max].b - b2_min;
-
- for (row = 0; row < rpng2_info.height; ++row) {
- yidx = (int)(row % bgscale);
- even_odd_vert = (int)((row / bgscale) & 1);
-
- r1 = r1_min + (r1_diff * yidx) / yidx_max;
- g1 = g1_min + (g1_diff * yidx) / yidx_max;
- b1 = b1_min + (b1_diff * yidx) / yidx_max;
- r1_inv = r1_min + (r1_diff * (yidx_max-yidx)) / yidx_max;
- g1_inv = g1_min + (g1_diff * (yidx_max-yidx)) / yidx_max;
- b1_inv = b1_min + (b1_diff * (yidx_max-yidx)) / yidx_max;
-
- r2 = r2_min + (r2_diff * yidx) / yidx_max;
- g2 = g2_min + (g2_diff * yidx) / yidx_max;
- b2 = b2_min + (b2_diff * yidx) / yidx_max;
- r2_inv = r2_min + (r2_diff * (yidx_max-yidx)) / yidx_max;
- g2_inv = g2_min + (g2_diff * (yidx_max-yidx)) / yidx_max;
- b2_inv = b2_min + (b2_diff * (yidx_max-yidx)) / yidx_max;
-
- dest = (char *)bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- even_odd_horiz = (int)((i / bgscale) & 1);
- even_odd = even_odd_vert ^ even_odd_horiz;
- invert_column =
- (even_odd_horiz && (bg[pat].type & 0x10));
- if (even_odd == 0) { /* gradient #1 */
- if (invert_column) {
- *dest++ = r1_inv;
- *dest++ = g1_inv;
- *dest++ = b1_inv;
- } else {
- *dest++ = r1;
- *dest++ = g1;
- *dest++ = b1;
- }
- } else { /* gradient #2 */
- if ((invert_column && invert_gradient2) ||
- (!invert_column && !invert_gradient2))
- {
- *dest++ = r2; /* not inverted or */
- *dest++ = g2; /* doubly inverted */
- *dest++ = b2;
- } else {
- *dest++ = r2_inv;
- *dest++ = g2_inv; /* singly inverted */
- *dest++ = b2_inv;
- }
- }
- }
- }
-
-/*---------------------------------------------------------------------------
- Soft gradient-diamonds with scale = bgscale. Code contributed by Adam
- M. Costello.
- ---------------------------------------------------------------------------*/
-
- } else if ((bg[pat].type & 0x07) == 1) {
-
- hmax = (bgscale-1)/2; /* half the max weight of a color */
- max = 2*hmax; /* the max weight of a color */
-
- r1 = rgb[bg[pat].rgb1_max].r;
- g1 = rgb[bg[pat].rgb1_max].g;
- b1 = rgb[bg[pat].rgb1_max].b;
- r2 = rgb[bg[pat].rgb2_max].r;
- g2 = rgb[bg[pat].rgb2_max].g;
- b2 = rgb[bg[pat].rgb2_max].b;
-
- for (row = 0; row < rpng2_info.height; ++row) {
- yidx = (int)(row % bgscale);
- if (yidx > hmax)
- yidx = bgscale-1 - yidx;
- dest = (char *)bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- xidx = (int)(i % bgscale);
- if (xidx > hmax)
- xidx = bgscale-1 - xidx;
- k = xidx + yidx;
- *dest++ = (k*r1 + (max-k)*r2) / max;
- *dest++ = (k*g1 + (max-k)*g2) / max;
- *dest++ = (k*b1 + (max-k)*b2) / max;
- }
- }
-
-/*---------------------------------------------------------------------------
- Radial "starburst" with azimuthal sinusoids; [eventually number of sinu-
- soids will equal bgscale?]. This one is slow but very cool. Code con-
- tributed by Pieter S. van der Meulen (originally in Smalltalk).
- ---------------------------------------------------------------------------*/
-
- } else if ((bg[pat].type & 0x07) == 2) {
- uch ch;
- int ii, x, y, hw, hh, grayspot;
- double freq, rotate, saturate, gray, intensity;
- double angle=0.0, aoffset=0.0, maxDist, dist;
- double red=0.0, green=0.0, blue=0.0, hue, s, v, f, p, q, t;
-
- fprintf(stderr, "%s: computing radial background...",
- PROGNAME);
- fflush(stderr);
-
- hh = (int)(rpng2_info.height / 2);
- hw = (int)(rpng2_info.width / 2);
-
- /* variables for radial waves:
- * aoffset: number of degrees to rotate hue [CURRENTLY NOT USED]
- * freq: number of color beams originating from the center
- * grayspot: size of the graying center area (anti-alias)
- * rotate: rotation of the beams as a function of radius
- * saturate: saturation of beams' shape azimuthally
- */
- angle = CLIP(angle, 0.0, 360.0);
- grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw));
- freq = MAX((double)bg[pat].bg_freq, 0.0);
- saturate = (double)bg[pat].bg_bsat * 0.1;
- rotate = (double)bg[pat].bg_brot * 0.1;
- gray = 0.0;
- intensity = 0.0;
- maxDist = (double)((hw*hw) + (hh*hh));
-
- for (row = 0; row < rpng2_info.height; ++row) {
- y = (int)(row - hh);
- dest = (char *)bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- x = (int)(i - hw);
- angle = (x == 0)? PI_2 : atan((double)y / (double)x);
- gray = (double)MAX(ABS(y), ABS(x)) / grayspot;
- gray = MIN(1.0, gray);
- dist = (double)((x*x) + (y*y)) / maxDist;
- intensity = cos((angle+(rotate*dist*PI)) * freq) *
- gray * saturate;
- intensity = (MAX(MIN(intensity,1.0),-1.0) + 1.0) * 0.5;
- hue = (angle + PI) * INV_PI_360 + aoffset;
- s = gray * ((double)(ABS(x)+ABS(y)) / (double)(hw + hh));
- s = MIN(MAX(s,0.0), 1.0);
- v = MIN(MAX(intensity,0.0), 1.0);
-
- if (s == 0.0) {
- ch = (uch)(v * 255.0);
- *dest++ = ch;
- *dest++ = ch;
- *dest++ = ch;
- } else {
- if ((hue < 0.0) || (hue >= 360.0))
- hue -= (((int)(hue / 360.0)) * 360.0);
- hue /= 60.0;
- ii = (int)hue;
- f = hue - (double)ii;
- p = (1.0 - s) * v;
- q = (1.0 - (s * f)) * v;
- t = (1.0 - (s * (1.0 - f))) * v;
- if (ii == 0) { red = v; green = t; blue = p; }
- else if (ii == 1) { red = q; green = v; blue = p; }
- else if (ii == 2) { red = p; green = v; blue = t; }
- else if (ii == 3) { red = p; green = q; blue = v; }
- else if (ii == 4) { red = t; green = p; blue = v; }
- else if (ii == 5) { red = v; green = p; blue = q; }
- *dest++ = (uch)(red * 255.0);
- *dest++ = (uch)(green * 255.0);
- *dest++ = (uch)(blue * 255.0);
- }
- }
- }
- fprintf(stderr, "done.\n");
- fflush(stderr);
- }
-
-/*---------------------------------------------------------------------------
- Blast background image to display buffer before beginning PNG decode.
- ---------------------------------------------------------------------------*/
-
- if (depth == 24 || depth == 32) {
- ulg red, green, blue;
- int bpp = ximage->bits_per_pixel;
-
- for (row = 0; row < rpng2_info.height; ++row) {
- src = bg_data + row*bg_rowbytes;
- dest = ximage->data + row*ximage_rowbytes;
- if (bpp == 32) { /* slightly optimized version */
- for (i = rpng2_info.width; i > 0; --i) {
- red = *src++;
- green = *src++;
- blue = *src++;
- pixel = (red << RShift) |
- (green << GShift) |
- (blue << BShift);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- } else {
- for (i = rpng2_info.width; i > 0; --i) {
- red = *src++;
- green = *src++;
- blue = *src++;
- pixel = (red << RShift) |
- (green << GShift) |
- (blue << BShift);
- /* recall that we set ximage->byte_order = MSBFirst above */
- /* GRR BUG? this assumes bpp == 24 & bits are packed low */
- /* (probably need to use RShift, RMask, etc.) */
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- }
- }
-
- } else if (depth == 16) {
- ush red, green, blue;
-
- for (row = 0; row < rpng2_info.height; ++row) {
- src = bg_data + row*bg_rowbytes;
- dest = ximage->data + row*ximage_rowbytes;
- for (i = rpng2_info.width; i > 0; --i) {
- red = ((ush)(*src) << 8); ++src;
- green = ((ush)(*src) << 8); ++src;
- blue = ((ush)(*src) << 8); ++src;
- pixel = ((red >> RShift) & RMask) |
- ((green >> GShift) & GMask) |
- ((blue >> BShift) & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- }
-
- } else /* depth == 8 */ {
-
- /* GRR: add 8-bit support */
-
- }
-
- XPutImage(display, window, gc, ximage, 0, 0, 0, 0, rpng2_info.width,
- rpng2_info.height);
-
- return 0;
-
-} /* end function rpng2_x_load_bg_image() */
-
-
-
-
-
-static void rpng2_x_display_row(ulg row)
-{
- uch bg_red = rpng2_info.bg_red;
- uch bg_green = rpng2_info.bg_green;
- uch bg_blue = rpng2_info.bg_blue;
- uch *src, *src2=NULL;
- char *dest;
- uch r, g, b, a;
- int ximage_rowbytes = ximage->bytes_per_line;
- ulg i, pixel;
- static int rows=0, prevpass=(-1);
- static ulg firstrow;
-
-/*---------------------------------------------------------------------------
- rows and firstrow simply track how many rows (and which ones) have not
- yet been displayed; alternatively, we could call XPutImage() for every
- row and not bother with the records-keeping.
- ---------------------------------------------------------------------------*/
-
- Trace((stderr, "beginning rpng2_x_display_row()\n"))
-
- if (rpng2_info.pass != prevpass) {
- if (pause_after_pass && rpng2_info.pass > 0) {
- XEvent e;
- KeySym k;
-
- fprintf(stderr,
- "%s: end of pass %d of 7; click in image window to continue\n",
- PROGNAME, prevpass + 1);
- do
- XNextEvent(display, &e);
- while (!QUIT(e,k));
- }
- fprintf(stderr, "%s: pass %d of 7\r", PROGNAME, rpng2_info.pass + 1);
- fflush(stderr);
- prevpass = rpng2_info.pass;
- }
-
- if (rows == 0)
- firstrow = row; /* first row that is not yet displayed */
-
- ++rows; /* count of rows received but not yet displayed */
-
-/*---------------------------------------------------------------------------
- Aside from the use of the rpng2_info struct, the lack of an outer loop
- (over rows) and moving the XPutImage() call outside the "if (depth)"
- tests, this routine is identical to rpng_x_display_image() in the non-
- progressive version of the program.
- ---------------------------------------------------------------------------*/
-
- if (depth == 24 || depth == 32) {
- ulg red, green, blue;
- int bpp = ximage->bits_per_pixel;
-
- src = rpng2_info.image_data + row*rpng2_info.rowbytes;
- if (bg_image)
- src2 = bg_data + row*bg_rowbytes;
- dest = ximage->data + row*ximage_rowbytes;
- if (rpng2_info.channels == 3) {
- for (i = rpng2_info.width; i > 0; --i) {
- red = *src++;
- green = *src++;
- blue = *src++;
- pixel = (red << RShift) |
- (green << GShift) |
- (blue << BShift);
- /* recall that we set ximage->byte_order = MSBFirst above */
- if (bpp == 32) {
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- } else {
- /* GRR BUG? this assumes bpp == 24 & bits are packed low */
- /* (probably need to use RShift, RMask, etc.) */
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- }
- } else /* if (rpng2_info.channels == 4) */ {
- for (i = rpng2_info.width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- a = *src++;
- if (bg_image) {
- bg_red = *src2++;
- bg_green = *src2++;
- bg_blue = *src2++;
- }
- if (a == 255) {
- red = r;
- green = g;
- blue = b;
- } else if (a == 0) {
- red = bg_red;
- green = bg_green;
- blue = bg_blue;
- } else {
- /* this macro (from png.h) composites the foreground
- * and background values and puts the result into the
- * first argument */
- alpha_composite(red, r, a, bg_red);
- alpha_composite(green, g, a, bg_green);
- alpha_composite(blue, b, a, bg_blue);
- }
- pixel = (red << RShift) |
- (green << GShift) |
- (blue << BShift);
- /* recall that we set ximage->byte_order = MSBFirst above */
- if (bpp == 32) {
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- } else {
- /* GRR BUG? this assumes bpp == 24 & bits are packed low */
- /* (probably need to use RShift, RMask, etc.) */
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- }
- }
-
- } else if (depth == 16) {
- ush red, green, blue;
-
- src = rpng2_info.row_pointers[row];
- if (bg_image)
- src2 = bg_data + row*bg_rowbytes;
- dest = ximage->data + row*ximage_rowbytes;
- if (rpng2_info.channels == 3) {
- for (i = rpng2_info.width; i > 0; --i) {
- red = ((ush)(*src) << 8);
- ++src;
- green = ((ush)(*src) << 8);
- ++src;
- blue = ((ush)(*src) << 8);
- ++src;
- pixel = ((red >> RShift) & RMask) |
- ((green >> GShift) & GMask) |
- ((blue >> BShift) & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- } else /* if (rpng2_info.channels == 4) */ {
- for (i = rpng2_info.width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- a = *src++;
- if (bg_image) {
- bg_red = *src2++;
- bg_green = *src2++;
- bg_blue = *src2++;
- }
- if (a == 255) {
- red = ((ush)r << 8);
- green = ((ush)g << 8);
- blue = ((ush)b << 8);
- } else if (a == 0) {
- red = ((ush)bg_red << 8);
- green = ((ush)bg_green << 8);
- blue = ((ush)bg_blue << 8);
- } else {
- /* this macro (from png.h) composites the foreground
- * and background values and puts the result back into
- * the first argument (== fg byte here: safe) */
- alpha_composite(r, r, a, bg_red);
- alpha_composite(g, g, a, bg_green);
- alpha_composite(b, b, a, bg_blue);
- red = ((ush)r << 8);
- green = ((ush)g << 8);
- blue = ((ush)b << 8);
- }
- pixel = ((red >> RShift) & RMask) |
- ((green >> GShift) & GMask) |
- ((blue >> BShift) & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- }
-
- } else /* depth == 8 */ {
-
- /* GRR: add 8-bit support */
-
- }
-
-
-/*---------------------------------------------------------------------------
- Display after every 16 rows or when on one of last two rows. (Region
- may include previously displayed lines due to interlacing--i.e., not
- contiguous. Also, second-to-last row is final one in interlaced images
- with odd number of rows.) For demos, flush (and delay) after every 16th
- row so "sparse" passes don't go twice as fast.
- ---------------------------------------------------------------------------*/
-
- if (demo_timing && (row - firstrow >= 16 || row >= rpng2_info.height-2)) {
- XPutImage(display, window, gc, ximage, 0, (int)firstrow, 0,
- (int)firstrow, rpng2_info.width, row - firstrow + 1);
- XFlush(display);
- rows = 0;
- usleep(usleep_duration);
- } else
- if (!demo_timing && ((rows & 0xf) == 0 || row >= rpng2_info.height-2)) {
- XPutImage(display, window, gc, ximage, 0, (int)firstrow, 0,
- (int)firstrow, rpng2_info.width, row - firstrow + 1);
- XFlush(display);
- rows = 0;
- }
-
-}
-
-
-
-
-
-static void rpng2_x_finish_display(void)
-{
- Trace((stderr, "beginning rpng2_x_finish_display()\n"))
-
- /* last row has already been displayed by rpng2_x_display_row(), so we
- * have nothing to do here except set a flag and let the user know that
- * the image is done */
-
- rpng2_info.state = kDone;
- printf(
- "Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n");
- fflush(stdout);
-}
-
-
-
-
-
-static void rpng2_x_redisplay_image(ulg startcol, ulg startrow,
- ulg width, ulg height)
-{
- uch bg_red = rpng2_info.bg_red;
- uch bg_green = rpng2_info.bg_green;
- uch bg_blue = rpng2_info.bg_blue;
- uch *src, *src2=NULL;
- char *dest;
- uch r, g, b, a;
- ulg i, row, lastrow = 0;
- ulg pixel;
- int ximage_rowbytes = ximage->bytes_per_line;
-
-
- Trace((stderr, "beginning display loop (image_channels == %d)\n",
- rpng2_info.channels))
- Trace((stderr, " (width = %ld, rowbytes = %d, ximage_rowbytes = %d)\n",
- rpng2_info.width, rpng2_info.rowbytes, ximage_rowbytes))
- Trace((stderr, " (bpp = %d)\n", ximage->bits_per_pixel))
- Trace((stderr, " (byte_order = %s)\n", ximage->byte_order == MSBFirst?
- "MSBFirst" : (ximage->byte_order == LSBFirst? "LSBFirst" : "unknown")))
-
-/*---------------------------------------------------------------------------
- Aside from the use of the rpng2_info struct and of src2 (for background
- image), this routine is identical to rpng_x_display_image() in the non-
- progressive version of the program--for the simple reason that redisplay
- of the image against a new background happens after the image is fully
- decoded and therefore is, by definition, non-progressive.
- ---------------------------------------------------------------------------*/
-
- if (depth == 24 || depth == 32) {
- ulg red, green, blue;
- int bpp = ximage->bits_per_pixel;
-
- for (lastrow = row = startrow; row < startrow+height; ++row) {
- src = rpng2_info.image_data + row*rpng2_info.rowbytes;
- if (bg_image)
- src2 = bg_data + row*bg_rowbytes;
- dest = ximage->data + row*ximage_rowbytes;
- if (rpng2_info.channels == 3) {
- for (i = rpng2_info.width; i > 0; --i) {
- red = *src++;
- green = *src++;
- blue = *src++;
-#ifdef NO_24BIT_MASKS
- pixel = (red << RShift) |
- (green << GShift) |
- (blue << BShift);
- /* recall that we set ximage->byte_order = MSBFirst above */
- if (bpp == 32) {
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- } else {
- /* this assumes bpp == 24 & bits are packed low */
- /* (probably need to use RShift, RMask, etc.) */
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
-#else
- red = (RShift < 0)? red << (-RShift) : red >> RShift;
- green = (GShift < 0)? green << (-GShift) : green >> GShift;
- blue = (BShift < 0)? blue << (-BShift) : blue >> BShift;
- pixel = (red & RMask) | (green & GMask) | (blue & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- if (bpp == 32) {
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- } else {
- /* GRR BUG */
- /* this assumes bpp == 24 & bits are packed low */
- /* (probably need to use RShift/RMask/etc. here, too) */
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
-#endif
- }
-
- } else /* if (rpng2_info.channels == 4) */ {
- for (i = rpng2_info.width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- a = *src++;
- if (bg_image) {
- bg_red = *src2++;
- bg_green = *src2++;
- bg_blue = *src2++;
- }
- if (a == 255) {
- red = r;
- green = g;
- blue = b;
- } else if (a == 0) {
- red = bg_red;
- green = bg_green;
- blue = bg_blue;
- } else {
- /* this macro (from png.h) composites the foreground
- * and background values and puts the result into the
- * first argument */
- alpha_composite(red, r, a, bg_red);
- alpha_composite(green, g, a, bg_green);
- alpha_composite(blue, b, a, bg_blue);
- }
-#ifdef NO_24BIT_MASKS
- pixel = (red << RShift) |
- (green << GShift) |
- (blue << BShift);
- /* recall that we set ximage->byte_order = MSBFirst above */
- if (bpp == 32) {
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- } else {
- /* this assumes bpp == 24 & bits are packed low */
- /* (probably need to use RShift, RMask, etc.) */
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
-#else
- red = (RShift < 0)? red << (-RShift) : red >> RShift;
- green = (GShift < 0)? green << (-GShift) : green >> GShift;
- blue = (BShift < 0)? blue << (-BShift) : blue >> BShift;
- pixel = (red & RMask) | (green & GMask) | (blue & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- if (bpp == 32) {
- *dest++ = (char)((pixel >> 24) & 0xff);
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- } else {
- /* GRR BUG */
- /* this assumes bpp == 24 & bits are packed low */
- /* (probably need to use RShift/RMask/etc. here, too) */
- *dest++ = (char)((pixel >> 16) & 0xff);
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
-#endif
- }
- }
- /* display after every 16 lines */
- if (((row+1) & 0xf) == 0) {
- XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
- (int)lastrow, rpng2_info.width, 16);
- XFlush(display);
- lastrow = row + 1;
- }
- }
-
- } else if (depth == 16) {
- ush red, green, blue;
-
- for (lastrow = row = startrow; row < startrow+height; ++row) {
- src = rpng2_info.row_pointers[row];
- if (bg_image)
- src2 = bg_data + row*bg_rowbytes;
- dest = ximage->data + row*ximage_rowbytes;
- if (rpng2_info.channels == 3) {
- for (i = rpng2_info.width; i > 0; --i) {
- red = ((ush)(*src) << 8);
- ++src;
- green = ((ush)(*src) << 8);
- ++src;
- blue = ((ush)(*src) << 8);
- ++src;
- pixel = ((red >> RShift) & RMask) |
- ((green >> GShift) & GMask) |
- ((blue >> BShift) & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- } else /* if (rpng2_info.channels == 4) */ {
- for (i = rpng2_info.width; i > 0; --i) {
- r = *src++;
- g = *src++;
- b = *src++;
- a = *src++;
- if (bg_image) {
- bg_red = *src2++;
- bg_green = *src2++;
- bg_blue = *src2++;
- }
- if (a == 255) {
- red = ((ush)r << 8);
- green = ((ush)g << 8);
- blue = ((ush)b << 8);
- } else if (a == 0) {
- red = ((ush)bg_red << 8);
- green = ((ush)bg_green << 8);
- blue = ((ush)bg_blue << 8);
- } else {
- /* this macro (from png.h) composites the foreground
- * and background values and puts the result back into
- * the first argument (== fg byte here: safe) */
- alpha_composite(r, r, a, bg_red);
- alpha_composite(g, g, a, bg_green);
- alpha_composite(b, b, a, bg_blue);
- red = ((ush)r << 8);
- green = ((ush)g << 8);
- blue = ((ush)b << 8);
- }
- pixel = ((red >> RShift) & RMask) |
- ((green >> GShift) & GMask) |
- ((blue >> BShift) & BMask);
- /* recall that we set ximage->byte_order = MSBFirst above */
- *dest++ = (char)((pixel >> 8) & 0xff);
- *dest++ = (char)( pixel & 0xff);
- }
- }
- /* display after every 16 lines */
- if (((row+1) & 0xf) == 0) {
- XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
- (int)lastrow, rpng2_info.width, 16);
- XFlush(display);
- lastrow = row + 1;
- }
- }
-
- } else /* depth == 8 */ {
-
- /* GRR: add 8-bit support */
-
- }
-
- Trace((stderr, "calling final XPutImage()\n"))
- if (lastrow < startrow+height) {
- XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
- (int)lastrow, rpng2_info.width, rpng2_info.height-lastrow);
- XFlush(display);
- }
-
-} /* end function rpng2_x_redisplay_image() */
-
-
-
-
-
-#ifdef FEATURE_LOOP
-
-static void rpng2_x_reload_bg_image(void)
-{
- char *dest;
- uch r1, r2, g1, g2, b1, b2;
- uch r1_inv, r2_inv, g1_inv, g2_inv, b1_inv, b2_inv;
- int k, hmax, max;
- int xidx, yidx, yidx_max;
- int even_odd_vert, even_odd_horiz, even_odd;
- int invert_gradient2 = (bg[pat].type & 0x08);
- int invert_column;
- ulg i, row;
-
-
- bgscale = (pat == 0)? 8 : bgscale_default;
- yidx_max = bgscale - 1;
-
-/*---------------------------------------------------------------------------
- Vertical gradients (ramps) in NxN squares, alternating direction and
- colors (N == bgscale).
- ---------------------------------------------------------------------------*/
-
- if ((bg[pat].type & 0x07) == 0) {
- uch r1_min = rgb[bg[pat].rgb1_min].r;
- uch g1_min = rgb[bg[pat].rgb1_min].g;
- uch b1_min = rgb[bg[pat].rgb1_min].b;
- uch r2_min = rgb[bg[pat].rgb2_min].r;
- uch g2_min = rgb[bg[pat].rgb2_min].g;
- uch b2_min = rgb[bg[pat].rgb2_min].b;
- int r1_diff = rgb[bg[pat].rgb1_max].r - r1_min;
- int g1_diff = rgb[bg[pat].rgb1_max].g - g1_min;
- int b1_diff = rgb[bg[pat].rgb1_max].b - b1_min;
- int r2_diff = rgb[bg[pat].rgb2_max].r - r2_min;
- int g2_diff = rgb[bg[pat].rgb2_max].g - g2_min;
- int b2_diff = rgb[bg[pat].rgb2_max].b - b2_min;
-
- for (row = 0; row < rpng2_info.height; ++row) {
- yidx = (int)(row % bgscale);
- even_odd_vert = (int)((row / bgscale) & 1);
-
- r1 = r1_min + (r1_diff * yidx) / yidx_max;
- g1 = g1_min + (g1_diff * yidx) / yidx_max;
- b1 = b1_min + (b1_diff * yidx) / yidx_max;
- r1_inv = r1_min + (r1_diff * (yidx_max-yidx)) / yidx_max;
- g1_inv = g1_min + (g1_diff * (yidx_max-yidx)) / yidx_max;
- b1_inv = b1_min + (b1_diff * (yidx_max-yidx)) / yidx_max;
-
- r2 = r2_min + (r2_diff * yidx) / yidx_max;
- g2 = g2_min + (g2_diff * yidx) / yidx_max;
- b2 = b2_min + (b2_diff * yidx) / yidx_max;
- r2_inv = r2_min + (r2_diff * (yidx_max-yidx)) / yidx_max;
- g2_inv = g2_min + (g2_diff * (yidx_max-yidx)) / yidx_max;
- b2_inv = b2_min + (b2_diff * (yidx_max-yidx)) / yidx_max;
-
- dest = (char *)bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- even_odd_horiz = (int)((i / bgscale) & 1);
- even_odd = even_odd_vert ^ even_odd_horiz;
- invert_column =
- (even_odd_horiz && (bg[pat].type & 0x10));
- if (even_odd == 0) { /* gradient #1 */
- if (invert_column) {
- *dest++ = r1_inv;
- *dest++ = g1_inv;
- *dest++ = b1_inv;
- } else {
- *dest++ = r1;
- *dest++ = g1;
- *dest++ = b1;
- }
- } else { /* gradient #2 */
- if ((invert_column && invert_gradient2) ||
- (!invert_column && !invert_gradient2))
- {
- *dest++ = r2; /* not inverted or */
- *dest++ = g2; /* doubly inverted */
- *dest++ = b2;
- } else {
- *dest++ = r2_inv;
- *dest++ = g2_inv; /* singly inverted */
- *dest++ = b2_inv;
- }
- }
- }
- }
-
-/*---------------------------------------------------------------------------
- Soft gradient-diamonds with scale = bgscale. Code contributed by Adam
- M. Costello.
- ---------------------------------------------------------------------------*/
-
- } else if ((bg[pat].type & 0x07) == 1) {
-
- hmax = (bgscale-1)/2; /* half the max weight of a color */
- max = 2*hmax; /* the max weight of a color */
-
- r1 = rgb[bg[pat].rgb1_max].r;
- g1 = rgb[bg[pat].rgb1_max].g;
- b1 = rgb[bg[pat].rgb1_max].b;
- r2 = rgb[bg[pat].rgb2_max].r;
- g2 = rgb[bg[pat].rgb2_max].g;
- b2 = rgb[bg[pat].rgb2_max].b;
-
- for (row = 0; row < rpng2_info.height; ++row) {
- yidx = (int)(row % bgscale);
- if (yidx > hmax)
- yidx = bgscale-1 - yidx;
- dest = (char *)bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- xidx = (int)(i % bgscale);
- if (xidx > hmax)
- xidx = bgscale-1 - xidx;
- k = xidx + yidx;
- *dest++ = (k*r1 + (max-k)*r2) / max;
- *dest++ = (k*g1 + (max-k)*g2) / max;
- *dest++ = (k*b1 + (max-k)*b2) / max;
- }
- }
-
-/*---------------------------------------------------------------------------
- Radial "starburst" with azimuthal sinusoids; [eventually number of sinu-
- soids will equal bgscale?]. This one is slow but very cool. Code con-
- tributed by Pieter S. van der Meulen (originally in Smalltalk).
- ---------------------------------------------------------------------------*/
-
- } else if ((bg[pat].type & 0x07) == 2) {
- uch ch;
- int ii, x, y, hw, hh, grayspot;
- double freq, rotate, saturate, gray, intensity;
- double angle=0.0, aoffset=0.0, maxDist, dist;
- double red=0.0, green=0.0, blue=0.0, hue, s, v, f, p, q, t;
-
- hh = (int)(rpng2_info.height / 2);
- hw = (int)(rpng2_info.width / 2);
-
- /* variables for radial waves:
- * aoffset: number of degrees to rotate hue [CURRENTLY NOT USED]
- * freq: number of color beams originating from the center
- * grayspot: size of the graying center area (anti-alias)
- * rotate: rotation of the beams as a function of radius
- * saturate: saturation of beams' shape azimuthally
- */
- angle = CLIP(angle, 0.0, 360.0);
- grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw));
- freq = MAX((double)bg[pat].bg_freq, 0.0);
- saturate = (double)bg[pat].bg_bsat * 0.1;
- rotate = (double)bg[pat].bg_brot * 0.1;
- gray = 0.0;
- intensity = 0.0;
- maxDist = (double)((hw*hw) + (hh*hh));
-
- for (row = 0; row < rpng2_info.height; ++row) {
- y = (int)(row - hh);
- dest = (char *)bg_data + row*bg_rowbytes;
- for (i = 0; i < rpng2_info.width; ++i) {
- x = (int)(i - hw);
- angle = (x == 0)? PI_2 : atan((double)y / (double)x);
- gray = (double)MAX(ABS(y), ABS(x)) / grayspot;
- gray = MIN(1.0, gray);
- dist = (double)((x*x) + (y*y)) / maxDist;
- intensity = cos((angle+(rotate*dist*PI)) * freq) *
- gray * saturate;
- intensity = (MAX(MIN(intensity,1.0),-1.0) + 1.0) * 0.5;
- hue = (angle + PI) * INV_PI_360 + aoffset;
- s = gray * ((double)(ABS(x)+ABS(y)) / (double)(hw + hh));
- s = MIN(MAX(s,0.0), 1.0);
- v = MIN(MAX(intensity,0.0), 1.0);
-
- if (s == 0.0) {
- ch = (uch)(v * 255.0);
- *dest++ = ch;
- *dest++ = ch;
- *dest++ = ch;
- } else {
- if ((hue < 0.0) || (hue >= 360.0))
- hue -= (((int)(hue / 360.0)) * 360.0);
- hue /= 60.0;
- ii = (int)hue;
- f = hue - (double)ii;
- p = (1.0 - s) * v;
- q = (1.0 - (s * f)) * v;
- t = (1.0 - (s * (1.0 - f))) * v;
- if (ii == 0) { red = v; green = t; blue = p; }
- else if (ii == 1) { red = q; green = v; blue = p; }
- else if (ii == 2) { red = p; green = v; blue = t; }
- else if (ii == 3) { red = p; green = q; blue = v; }
- else if (ii == 4) { red = t; green = p; blue = v; }
- else if (ii == 5) { red = v; green = p; blue = q; }
- *dest++ = (uch)(red * 255.0);
- *dest++ = (uch)(green * 255.0);
- *dest++ = (uch)(blue * 255.0);
- }
- }
- }
- }
-
-} /* end function rpng2_x_reload_bg_image() */
-
-
-
-
-
-static int is_number(char *p)
-{
- while (*p) {
- if (!isdigit(*p))
- return FALSE;
- ++p;
- }
- return TRUE;
-}
-
-#endif /* FEATURE_LOOP */
-
-
-
-
-
-static void rpng2_x_cleanup(void)
-{
- if (bg_image && bg_data) {
- free(bg_data);
- bg_data = NULL;
- }
-
- if (rpng2_info.image_data) {
- free(rpng2_info.image_data);
- rpng2_info.image_data = NULL;
- }
-
- if (rpng2_info.row_pointers) {
- free(rpng2_info.row_pointers);
- rpng2_info.row_pointers = NULL;
- }
-
- if (ximage) {
- if (ximage->data) {
- free(ximage->data); /* we allocated it, so we free it */
- ximage->data = (char *)NULL; /* instead of XDestroyImage() */
- }
- XDestroyImage(ximage);
- ximage = NULL;
- }
-
- if (have_gc)
- XFreeGC(display, gc);
-
- if (have_window)
- XDestroyWindow(display, window);
-
- if (have_colormap)
- XFreeColormap(display, colormap);
-
- if (have_nondefault_visual)
- XFree(visual_list);
-}
-
-
-
-
-
-static int rpng2_x_msb(ulg u32val)
-{
- int i;
-
- for (i = 31; i >= 0; --i) {
- if (u32val & 0x80000000L)
- break;
- u32val <<= 1;
- }
- return i;
-}
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- wpng - simple PNG-writing program wpng.c
-
- This program converts certain NetPBM binary files (grayscale and RGB,
- maxval = 255) to PNG. Non-interlaced PNGs are written progressively;
- interlaced PNGs are read and written in one memory-intensive blast.
-
- Thanks to Jean-loup Gailly for providing the necessary trick to read
- interactive text from the keyboard while stdin is redirected. Thanks
- to Cosmin Truta for Cygwin fixes.
-
- NOTE: includes provisional support for PNM type "8" (portable alphamap)
- images, presumed to be a 32-bit interleaved RGBA format; no pro-
- vision for possible interleaved grayscale+alpha (16-bit) format.
- THIS IS UNLIKELY TO BECOME AN OFFICIAL NETPBM ALPHA FORMAT!
-
- to do:
- - delete output file if quit before calling any writepng routines
- - process backspace with -text option under DOS/Win? (currently get ^H)
-
- ---------------------------------------------------------------------------
-
- Changelog:
- - 1.01: initial public release
- - 1.02: modified to allow abbreviated options
- - 1.03: removed extraneous character from usage screen; fixed bug in
- command-line parsing
- - 1.04: fixed DOS/OS2/Win32 detection, including partial Cygwin fix
- (see http://home.att.net/~perlspinr/diffs/GregBook_cygwin.diff)
- - 2.00: dual-licensed (added GNU GPL)
-
- [REPORTED BUG (win32 only): "contrib/gregbook/wpng.c - cmd line
- dose not work! In order to do something useful I needed to redirect
- both input and output, with cygwin and with bcc32 as well. Under
- Linux, the same wpng appears to work fine. I don't know what is
- the problem."]
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#define PROGNAME "wpng"
-#define VERSION "2.00 of 2 June 2007"
-#define APPNAME "Simple PGM/PPM/PAM to PNG Converter"
-
-#if defined(__MSDOS__) || defined(__OS2__)
-# define DOS_OS2_W32
-#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
-# ifndef __GNUC__ /* treat Win32 native ports of gcc as Unix environments */
-# define DOS_OS2_W32
-# endif
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <setjmp.h> /* for jmpbuf declaration in writepng.h */
-#include <time.h>
-
-#ifdef DOS_OS2_W32
-# include <io.h> /* for isatty(), setmode() prototypes */
-# include <fcntl.h> /* O_BINARY for fdopen() without text translation */
-# ifdef __EMX__
-# ifndef getch
-# define getch() _read_kbd(0, 1, 0) /* need getche() */
-# endif
-# else /* !__EMX__ */
-# ifdef __GO32__
-# include <pc.h>
-# define getch() getkey() /* GRR: need getche() */
-# else
-# include <conio.h> /* for getche() console input */
-# endif
-# endif /* ?__EMX__ */
-# define FGETS(buf,len,stream) dos_kbd_gets(buf,len)
-#else
-# include <unistd.h> /* for isatty() prototype */
-# define FGETS fgets
-#endif
-
-/* #define DEBUG : this enables the Trace() macros */
-
-/* #define FORBID_LATIN1_CTRL : this requires the user to re-enter any
- text that includes control characters discouraged by the PNG spec; text
- that includes an escape character (27) must be re-entered regardless */
-
-#include "writepng.h" /* typedefs, common macros, writepng prototypes */
-
-
-
-/* local prototypes */
-
-static int wpng_isvalid_latin1(uch *p, int len);
-static void wpng_cleanup(void);
-
-#ifdef DOS_OS2_W32
- static char *dos_kbd_gets(char *buf, int len);
-#endif
-
-
-
-static mainprog_info wpng_info; /* lone global */
-
-
-
-int main(int argc, char **argv)
-{
-#ifndef DOS_OS2_W32
- FILE *keybd;
-#endif
-#ifdef sgi
- FILE *tmpfile; /* or we could just use keybd, since no overlap */
- char tmpline[80];
-#endif
- char *inname = NULL, outname[256];
- char *p, pnmchar, pnmline[256];
- char *bgstr, *textbuf = NULL;
- ulg rowbytes;
- int rc, len = 0;
- int error = 0;
- int text = FALSE;
- int maxval;
- double LUT_exponent; /* just the lookup table */
- double CRT_exponent = 2.2; /* just the monitor */
- double default_display_exponent; /* whole display system */
- double default_gamma = 0.0;
-
-
- wpng_info.infile = NULL;
- wpng_info.outfile = NULL;
- wpng_info.image_data = NULL;
- wpng_info.row_pointers = NULL;
- wpng_info.filter = FALSE;
- wpng_info.interlaced = FALSE;
- wpng_info.have_bg = FALSE;
- wpng_info.have_time = FALSE;
- wpng_info.have_text = 0;
- wpng_info.gamma = 0.0;
-
-
- /* First get the default value for our display-system exponent, i.e.,
- * the product of the CRT exponent and the exponent corresponding to
- * the frame-buffer's lookup table (LUT), if any. If the PNM image
- * looks correct on the user's display system, its file gamma is the
- * inverse of this value. (Note that this is not an exhaustive list
- * of LUT values--e.g., OpenStep has a lot of weird ones--but it should
- * cover 99% of the current possibilities. This section must ensure
- * that default_display_exponent is positive.) */
-
-#if defined(NeXT)
- /* third-party utilities can modify the default LUT exponent */
- LUT_exponent = 1.0 / 2.2;
- /*
- if (some_next_function_that_returns_gamma(&next_gamma))
- LUT_exponent = 1.0 / next_gamma;
- */
-#elif defined(sgi)
- LUT_exponent = 1.0 / 1.7;
- /* there doesn't seem to be any documented function to
- * get the "gamma" value, so we do it the hard way */
- tmpfile = fopen("/etc/config/system.glGammaVal", "r");
- if (tmpfile) {
- double sgi_gamma;
-
- fgets(tmpline, 80, tmpfile);
- fclose(tmpfile);
- sgi_gamma = atof(tmpline);
- if (sgi_gamma > 0.0)
- LUT_exponent = 1.0 / sgi_gamma;
- }
-#elif defined(Macintosh)
- LUT_exponent = 1.8 / 2.61;
- /*
- if (some_mac_function_that_returns_gamma(&mac_gamma))
- LUT_exponent = mac_gamma / 2.61;
- */
-#else
- LUT_exponent = 1.0; /* assume no LUT: most PCs */
-#endif
-
- /* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */
- default_display_exponent = LUT_exponent * CRT_exponent;
-
-
- /* If the user has set the SCREEN_GAMMA environment variable as suggested
- * (somewhat imprecisely) in the libpng documentation, use that; otherwise
- * use the default value we just calculated. Either way, the user may
- * override this via a command-line option. */
-
- if ((p = getenv("SCREEN_GAMMA")) != NULL) {
- double exponent = atof(p);
-
- if (exponent > 0.0)
- default_gamma = 1.0 / exponent;
- }
-
- if (default_gamma == 0.0)
- default_gamma = 1.0 / default_display_exponent;
-
-
- /* Now parse the command line for options and the PNM filename. */
-
- while (*++argv && !error) {
- if (!strncmp(*argv, "-i", 2)) {
- wpng_info.interlaced = TRUE;
- } else if (!strncmp(*argv, "-time", 3)) {
- wpng_info.modtime = time(NULL);
- wpng_info.have_time = TRUE;
- } else if (!strncmp(*argv, "-text", 3)) {
- text = TRUE;
- } else if (!strncmp(*argv, "-gamma", 2)) {
- if (!*++argv)
- ++error;
- else {
- wpng_info.gamma = atof(*argv);
- if (wpng_info.gamma <= 0.0)
- ++error;
- else if (wpng_info.gamma > 1.01)
- fprintf(stderr, PROGNAME
- " warning: file gammas are usually less than 1.0\n");
- }
- } else if (!strncmp(*argv, "-bgcolor", 4)) {
- if (!*++argv)
- ++error;
- else {
- bgstr = *argv;
- if (strlen(bgstr) != 7 || bgstr[0] != '#')
- ++error;
- else {
- unsigned r, g, b; /* this way quiets compiler warnings */
-
- sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b);
- wpng_info.bg_red = (uch)r;
- wpng_info.bg_green = (uch)g;
- wpng_info.bg_blue = (uch)b;
- wpng_info.have_bg = TRUE;
- }
- }
- } else {
- if (**argv != '-') {
- inname = *argv;
- if (argv[1]) /* shouldn't be any more args after filename */
- ++error;
- } else
- ++error; /* not expecting any other options */
- }
- }
-
-
- /* open the input and output files, or register an error and abort */
-
- if (!inname) {
- if (isatty(0)) {
- fprintf(stderr, PROGNAME
- ": must give input filename or provide image data via stdin\n");
- ++error;
- } else {
-#ifdef DOS_OS2_W32
- /* some buggy C libraries require BOTH setmode() and fdopen(bin) */
- setmode(fileno(stdin), O_BINARY);
- setmode(fileno(stdout), O_BINARY);
-#endif
- if ((wpng_info.infile = fdopen(fileno(stdin), "rb")) == NULL) {
- fprintf(stderr, PROGNAME
- ": unable to reopen stdin in binary mode\n");
- ++error;
- } else
- if ((wpng_info.outfile = fdopen(fileno(stdout), "wb")) == NULL) {
- fprintf(stderr, PROGNAME
- ": unable to reopen stdout in binary mode\n");
- fclose(wpng_info.infile);
- ++error;
- } else
- wpng_info.filter = TRUE;
- }
- } else if ((len = strlen(inname)) > 250) {
- fprintf(stderr, PROGNAME ": input filename is too long [%d chars]\n",
- len);
- ++error;
- } else if (!(wpng_info.infile = fopen(inname, "rb"))) {
- fprintf(stderr, PROGNAME ": can't open input file [%s]\n", inname);
- ++error;
- }
-
- if (!error) {
- fgets(pnmline, 256, wpng_info.infile);
- if (pnmline[0] != 'P' || ((pnmchar = pnmline[1]) != '5' &&
- pnmchar != '6' && pnmchar != '8'))
- {
- fprintf(stderr, PROGNAME
- ": input file [%s] is not a binary PGM, PPM or PAM file\n",
- inname);
- ++error;
- } else {
- wpng_info.pnmtype = (int)(pnmchar - '0');
- if (wpng_info.pnmtype != 8)
- wpng_info.have_bg = FALSE; /* no need for bg if opaque */
- do {
- fgets(pnmline, 256, wpng_info.infile); /* lose any comments */
- } while (pnmline[0] == '#');
- sscanf(pnmline, "%ld %ld", &wpng_info.width, &wpng_info.height);
- do {
- fgets(pnmline, 256, wpng_info.infile); /* more comment lines */
- } while (pnmline[0] == '#');
- sscanf(pnmline, "%d", &maxval);
- if (wpng_info.width <= 0L || wpng_info.height <= 0L ||
- maxval != 255)
- {
- fprintf(stderr, PROGNAME
- ": only positive width/height, maxval == 255 allowed \n");
- ++error;
- }
- wpng_info.sample_depth = 8; /* <==> maxval 255 */
-
- if (!wpng_info.filter) {
- /* make outname from inname */
- if ((p = strrchr(inname, '.')) == NULL ||
- (p - inname) != (len - 4))
- {
- strcpy(outname, inname);
- strcpy(outname+len, ".png");
- } else {
- len -= 4;
- strncpy(outname, inname, len);
- strcpy(outname+len, ".png");
- }
- /* check if outname already exists; if not, open */
- if ((wpng_info.outfile = fopen(outname, "rb")) != NULL) {
- fprintf(stderr, PROGNAME ": output file exists [%s]\n",
- outname);
- fclose(wpng_info.outfile);
- ++error;
- } else if (!(wpng_info.outfile = fopen(outname, "wb"))) {
- fprintf(stderr, PROGNAME ": can't open output file [%s]\n",
- outname);
- ++error;
- }
- }
- }
- if (error) {
- fclose(wpng_info.infile);
- wpng_info.infile = NULL;
- if (wpng_info.filter) {
- fclose(wpng_info.outfile);
- wpng_info.outfile = NULL;
- }
- }
- }
-
-
- /* if we had any errors, print usage and die horrible death...arrr! */
-
- if (error) {
- fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, APPNAME);
- writepng_version_info();
- fprintf(stderr, "\n"
-"Usage: %s [-gamma exp] [-bgcolor bg] [-text] [-time] [-interlace] pnmfile\n"
-"or: ... | %s [-gamma exp] [-bgcolor bg] [-text] [-time] [-interlace] | ...\n"
- " exp \ttransfer-function exponent (``gamma'') of the image in\n"
- "\t\t floating-point format (e.g., ``%.5f''); if image looks\n"
- "\t\t correct on given display system, image gamma is equal to\n"
- "\t\t inverse of display-system exponent, i.e., 1 / (LUT * CRT)\n"
- "\t\t (where LUT = lookup-table exponent and CRT = CRT exponent;\n"
- "\t\t first varies, second is usually 2.2, all are positive)\n"
- " bg \tdesired background color for alpha-channel images, in\n"
- "\t\t 7-character hex RGB format (e.g., ``#ff7700'' for orange:\n"
- "\t\t same as HTML colors)\n"
- " -text\tprompt interactively for text info (tEXt chunks)\n"
- " -time\tinclude a tIME chunk (last modification time)\n"
- " -interlace\twrite interlaced PNG image\n"
- "\n"
-"pnmfile or stdin must be a binary PGM (`P5'), PPM (`P6') or (extremely\n"
-"unofficial and unsupported!) PAM (`P8') file. Currently it is required\n"
-"to have maxval == 255 (i.e., no scaling). If pnmfile is specified, it\n"
-"is converted to the corresponding PNG file with the same base name but a\n"
-"``.png'' extension; files read from stdin are converted and sent to stdout.\n"
-"The conversion is progressive (low memory usage) unless interlacing is\n"
-"requested; in that case the whole image will be buffered in memory and\n"
-"written in one call.\n"
- "\n", PROGNAME, PROGNAME, default_gamma);
- exit(1);
- }
-
-
- /* prepare the text buffers for libpng's use; note that even though
- * PNG's png_text struct includes a length field, we don't have to fill
- * it out */
-
- if (text &&
-#ifndef DOS_OS2_W32
- (keybd = fdopen(fileno(stderr), "r")) != NULL &&
-#endif
- (textbuf = (char *)malloc((5 + 9)*75)) != NULL)
- {
- int i, valid, result;
-
- fprintf(stderr,
- "Enter text info (no more than 72 characters per line);\n");
- fprintf(stderr, "to skip a field, hit the <Enter> key.\n");
- /* note: just <Enter> leaves len == 1 */
-
- do {
- valid = TRUE;
- p = textbuf + TEXT_TITLE_OFFSET;
- fprintf(stderr, " Title: ");
- fflush(stderr);
- if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
- if (p[len-1] == '\n')
- p[--len] = '\0';
- wpng_info.title = p;
- wpng_info.have_text |= TEXT_TITLE;
- if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
- fprintf(stderr, " " PROGNAME " warning: character code"
- " %u is %sdiscouraged by the PNG\n specification "
- "[first occurrence was at character position #%d]\n",
- (unsigned)p[result], (p[result] == 27)? "strongly " : "",
- result+1);
- fflush(stderr);
-#ifdef FORBID_LATIN1_CTRL
- wpng_info.have_text &= ~TEXT_TITLE;
- valid = FALSE;
-#else
- if (p[result] == 27) { /* escape character */
- wpng_info.have_text &= ~TEXT_TITLE;
- valid = FALSE;
- }
-#endif
- }
- }
- } while (!valid);
-
- do {
- valid = TRUE;
- p = textbuf + TEXT_AUTHOR_OFFSET;
- fprintf(stderr, " Author: ");
- fflush(stderr);
- if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
- if (p[len-1] == '\n')
- p[--len] = '\0';
- wpng_info.author = p;
- wpng_info.have_text |= TEXT_AUTHOR;
- if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
- fprintf(stderr, " " PROGNAME " warning: character code"
- " %u is %sdiscouraged by the PNG\n specification "
- "[first occurrence was at character position #%d]\n",
- (unsigned)p[result], (p[result] == 27)? "strongly " : "",
- result+1);
- fflush(stderr);
-#ifdef FORBID_LATIN1_CTRL
- wpng_info.have_text &= ~TEXT_AUTHOR;
- valid = FALSE;
-#else
- if (p[result] == 27) { /* escape character */
- wpng_info.have_text &= ~TEXT_AUTHOR;
- valid = FALSE;
- }
-#endif
- }
- }
- } while (!valid);
-
- do {
- valid = TRUE;
- p = textbuf + TEXT_DESC_OFFSET;
- fprintf(stderr, " Description (up to 9 lines):\n");
- for (i = 1; i < 10; ++i) {
- fprintf(stderr, " [%d] ", i);
- fflush(stderr);
- if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1)
- p += len; /* now points at NULL; char before is newline */
- else
- break;
- }
- if ((len = p - (textbuf + TEXT_DESC_OFFSET)) > 1) {
- if (p[-1] == '\n') {
- p[-1] = '\0';
- --len;
- }
- wpng_info.desc = textbuf + TEXT_DESC_OFFSET;
- wpng_info.have_text |= TEXT_DESC;
- p = textbuf + TEXT_DESC_OFFSET;
- if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
- fprintf(stderr, " " PROGNAME " warning: character code"
- " %u is %sdiscouraged by the PNG\n specification "
- "[first occurrence was at character position #%d]\n",
- (unsigned)p[result], (p[result] == 27)? "strongly " : "",
- result+1);
- fflush(stderr);
-#ifdef FORBID_LATIN1_CTRL
- wpng_info.have_text &= ~TEXT_DESC;
- valid = FALSE;
-#else
- if (p[result] == 27) { /* escape character */
- wpng_info.have_text &= ~TEXT_DESC;
- valid = FALSE;
- }
-#endif
- }
- }
- } while (!valid);
-
- do {
- valid = TRUE;
- p = textbuf + TEXT_COPY_OFFSET;
- fprintf(stderr, " Copyright: ");
- fflush(stderr);
- if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
- if (p[len-1] == '\n')
- p[--len] = '\0';
- wpng_info.copyright = p;
- wpng_info.have_text |= TEXT_COPY;
- if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
- fprintf(stderr, " " PROGNAME " warning: character code"
- " %u is %sdiscouraged by the PNG\n specification "
- "[first occurrence was at character position #%d]\n",
- (unsigned)p[result], (p[result] == 27)? "strongly " : "",
- result+1);
- fflush(stderr);
-#ifdef FORBID_LATIN1_CTRL
- wpng_info.have_text &= ~TEXT_COPY;
- valid = FALSE;
-#else
- if (p[result] == 27) { /* escape character */
- wpng_info.have_text &= ~TEXT_COPY;
- valid = FALSE;
- }
-#endif
- }
- }
- } while (!valid);
-
- do {
- valid = TRUE;
- p = textbuf + TEXT_EMAIL_OFFSET;
- fprintf(stderr, " E-mail: ");
- fflush(stderr);
- if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
- if (p[len-1] == '\n')
- p[--len] = '\0';
- wpng_info.email = p;
- wpng_info.have_text |= TEXT_EMAIL;
- if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
- fprintf(stderr, " " PROGNAME " warning: character code"
- " %u is %sdiscouraged by the PNG\n specification "
- "[first occurrence was at character position #%d]\n",
- (unsigned)p[result], (p[result] == 27)? "strongly " : "",
- result+1);
- fflush(stderr);
-#ifdef FORBID_LATIN1_CTRL
- wpng_info.have_text &= ~TEXT_EMAIL;
- valid = FALSE;
-#else
- if (p[result] == 27) { /* escape character */
- wpng_info.have_text &= ~TEXT_EMAIL;
- valid = FALSE;
- }
-#endif
- }
- }
- } while (!valid);
-
- do {
- valid = TRUE;
- p = textbuf + TEXT_URL_OFFSET;
- fprintf(stderr, " URL: ");
- fflush(stderr);
- if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
- if (p[len-1] == '\n')
- p[--len] = '\0';
- wpng_info.url = p;
- wpng_info.have_text |= TEXT_URL;
- if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
- fprintf(stderr, " " PROGNAME " warning: character code"
- " %u is %sdiscouraged by the PNG\n specification "
- "[first occurrence was at character position #%d]\n",
- (unsigned)p[result], (p[result] == 27)? "strongly " : "",
- result+1);
- fflush(stderr);
-#ifdef FORBID_LATIN1_CTRL
- wpng_info.have_text &= ~TEXT_URL;
- valid = FALSE;
-#else
- if (p[result] == 27) { /* escape character */
- wpng_info.have_text &= ~TEXT_URL;
- valid = FALSE;
- }
-#endif
- }
- }
- } while (!valid);
-
-#ifndef DOS_OS2_W32
- fclose(keybd);
-#endif
-
- } else if (text) {
- fprintf(stderr, PROGNAME ": unable to allocate memory for text\n");
- text = FALSE;
- wpng_info.have_text = 0;
- }
-
-
- /* allocate libpng stuff, initialize transformations, write pre-IDAT data */
-
- if ((rc = writepng_init(&wpng_info)) != 0) {
- switch (rc) {
- case 2:
- fprintf(stderr, PROGNAME
- ": libpng initialization problem (longjmp)\n");
- break;
- case 4:
- fprintf(stderr, PROGNAME ": insufficient memory\n");
- break;
- case 11:
- fprintf(stderr, PROGNAME
- ": internal logic error (unexpected PNM type)\n");
- break;
- default:
- fprintf(stderr, PROGNAME
- ": unknown writepng_init() error\n");
- break;
- }
- exit(rc);
- }
-
-
- /* free textbuf, since it's a completely local variable and all text info
- * has just been written to the PNG file */
-
- if (text && textbuf) {
- free(textbuf);
- textbuf = NULL;
- }
-
-
- /* calculate rowbytes on basis of image type; note that this becomes much
- * more complicated if we choose to support PBM type, ASCII PNM types, or
- * 16-bit-per-sample binary data [currently not an official NetPBM type] */
-
- if (wpng_info.pnmtype == 5)
- rowbytes = wpng_info.width;
- else if (wpng_info.pnmtype == 6)
- rowbytes = wpng_info.width * 3;
- else /* if (wpng_info.pnmtype == 8) */
- rowbytes = wpng_info.width * 4;
-
-
- /* read and write the image, either in its entirety (if writing interlaced
- * PNG) or row by row (if non-interlaced) */
-
- fprintf(stderr, "Encoding image data...\n");
- fflush(stderr);
-
- if (wpng_info.interlaced) {
- long i;
- ulg bytes;
- ulg image_bytes = rowbytes * wpng_info.height; /* overflow? */
-
- wpng_info.image_data = (uch *)malloc(image_bytes);
- wpng_info.row_pointers = (uch **)malloc(wpng_info.height*sizeof(uch *));
- if (wpng_info.image_data == NULL || wpng_info.row_pointers == NULL) {
- fprintf(stderr, PROGNAME ": insufficient memory for image data\n");
- writepng_cleanup(&wpng_info);
- wpng_cleanup();
- exit(5);
- }
- for (i = 0; i < wpng_info.height; ++i)
- wpng_info.row_pointers[i] = wpng_info.image_data + i*rowbytes;
- bytes = fread(wpng_info.image_data, 1, image_bytes, wpng_info.infile);
- if (bytes != image_bytes) {
- fprintf(stderr, PROGNAME ": expected %lu bytes, got %lu bytes\n",
- image_bytes, bytes);
- fprintf(stderr, " (continuing anyway)\n");
- }
- if (writepng_encode_image(&wpng_info) != 0) {
- fprintf(stderr, PROGNAME
- ": libpng problem (longjmp) while writing image data\n");
- writepng_cleanup(&wpng_info);
- wpng_cleanup();
- exit(2);
- }
-
- } else /* not interlaced: write progressively (row by row) */ {
- long j;
- ulg bytes;
-
- wpng_info.image_data = (uch *)malloc(rowbytes);
- if (wpng_info.image_data == NULL) {
- fprintf(stderr, PROGNAME ": insufficient memory for row data\n");
- writepng_cleanup(&wpng_info);
- wpng_cleanup();
- exit(5);
- }
- error = 0;
- for (j = wpng_info.height; j > 0L; --j) {
- bytes = fread(wpng_info.image_data, 1, rowbytes, wpng_info.infile);
- if (bytes != rowbytes) {
- fprintf(stderr, PROGNAME
- ": expected %lu bytes, got %lu bytes (row %ld)\n", rowbytes,
- bytes, wpng_info.height-j);
- ++error;
- break;
- }
- if (writepng_encode_row(&wpng_info) != 0) {
- fprintf(stderr, PROGNAME
- ": libpng problem (longjmp) while writing row %ld\n",
- wpng_info.height-j);
- ++error;
- break;
- }
- }
- if (error) {
- writepng_cleanup(&wpng_info);
- wpng_cleanup();
- exit(2);
- }
- if (writepng_encode_finish(&wpng_info) != 0) {
- fprintf(stderr, PROGNAME ": error on final libpng call\n");
- writepng_cleanup(&wpng_info);
- wpng_cleanup();
- exit(2);
- }
- }
-
-
- /* OK, we're done (successfully): clean up all resources and quit */
-
- fprintf(stderr, "Done.\n");
- fflush(stderr);
-
- writepng_cleanup(&wpng_info);
- wpng_cleanup();
-
- return 0;
-}
-
-
-
-
-
-static int wpng_isvalid_latin1(uch *p, int len)
-{
- int i, result = -1;
-
- for (i = 0; i < len; ++i) {
- if (p[i] == 10 || (p[i] > 31 && p[i] < 127) || p[i] > 160)
- continue; /* character is completely OK */
- if (result < 0 || (p[result] != 27 && p[i] == 27))
- result = i; /* mark location of first questionable one */
- } /* or of first escape character (bad) */
-
- return result;
-}
-
-
-
-
-
-static void wpng_cleanup(void)
-{
- if (wpng_info.outfile) {
- fclose(wpng_info.outfile);
- wpng_info.outfile = NULL;
- }
-
- if (wpng_info.infile) {
- fclose(wpng_info.infile);
- wpng_info.infile = NULL;
- }
-
- if (wpng_info.image_data) {
- free(wpng_info.image_data);
- wpng_info.image_data = NULL;
- }
-
- if (wpng_info.row_pointers) {
- free(wpng_info.row_pointers);
- wpng_info.row_pointers = NULL;
- }
-}
-
-
-
-
-#ifdef DOS_OS2_W32
-
-static char *dos_kbd_gets(char *buf, int len)
-{
- int ch, count=0;
-
- do {
- buf[count++] = ch = getche();
- } while (ch != '\r' && count < len-1);
-
- buf[count--] = '\0'; /* terminate string */
- if (buf[count] == '\r') /* Enter key makes CR, so change to newline */
- buf[count] = '\n';
-
- fprintf(stderr, "\n"); /* Enter key does *not* cause a newline */
- fflush(stderr);
-
- return buf;
-}
-
-#endif /* DOS_OS2_W32 */
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- wpng - simple PNG-writing program writepng.c
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-
-#include <stdlib.h> /* for exit() prototype */
-
-#include "png.h" /* libpng header; includes zlib.h and setjmp.h */
-#include "writepng.h" /* typedefs, common macros, public prototypes */
-
-
-/* local prototype */
-
-static void writepng_error_handler(png_structp png_ptr, png_const_charp msg);
-
-
-
-void writepng_version_info(void)
-{
- fprintf(stderr, " Compiled with libpng %s; using libpng %s.\n",
- PNG_LIBPNG_VER_STRING, png_libpng_ver);
- fprintf(stderr, " Compiled with zlib %s; using zlib %s.\n",
- ZLIB_VERSION, zlib_version);
-}
-
-
-
-
-/* returns 0 for success, 2 for libpng problem, 4 for out of memory, 11 for
- * unexpected pnmtype; note that outfile might be stdout */
-
-int writepng_init(mainprog_info *mainprog_ptr)
-{
- png_structp png_ptr; /* note: temporary variables! */
- png_infop info_ptr;
- int color_type, interlace_type;
-
-
- /* could also replace libpng warning-handler (final NULL), but no need: */
-
- png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, mainprog_ptr,
- writepng_error_handler, NULL);
- if (!png_ptr)
- return 4; /* out of memory */
-
- info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr) {
- png_destroy_write_struct(&png_ptr, NULL);
- return 4; /* out of memory */
- }
-
-
- /* setjmp() must be called in every function that calls a PNG-writing
- * libpng function, unless an alternate error handler was installed--
- * but compatible error handlers must either use longjmp() themselves
- * (as in this program) or exit immediately, so here we go: */
-
- if (setjmp(mainprog_ptr->jmpbuf)) {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- return 2;
- }
-
-
- /* make sure outfile is (re)opened in BINARY mode */
-
- png_init_io(png_ptr, mainprog_ptr->outfile);
-
-
- /* set the compression levels--in general, always want to leave filtering
- * turned on (except for palette images) and allow all of the filters,
- * which is the default; want 32K zlib window, unless entire image buffer
- * is 16K or smaller (unknown here)--also the default; usually want max
- * compression (NOT the default); and remaining compression flags should
- * be left alone */
-
- png_set_compression_level(png_ptr, Z_BEST_COMPRESSION);
-/*
- >> this is default for no filtering; Z_FILTERED is default otherwise:
- png_set_compression_strategy(png_ptr, Z_DEFAULT_STRATEGY);
- >> these are all defaults:
- png_set_compression_mem_level(png_ptr, 8);
- png_set_compression_window_bits(png_ptr, 15);
- png_set_compression_method(png_ptr, 8);
- */
-
-
- /* set the image parameters appropriately */
-
- if (mainprog_ptr->pnmtype == 5)
- color_type = PNG_COLOR_TYPE_GRAY;
- else if (mainprog_ptr->pnmtype == 6)
- color_type = PNG_COLOR_TYPE_RGB;
- else if (mainprog_ptr->pnmtype == 8)
- color_type = PNG_COLOR_TYPE_RGB_ALPHA;
- else {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- return 11;
- }
-
- interlace_type = mainprog_ptr->interlaced? PNG_INTERLACE_ADAM7 :
- PNG_INTERLACE_NONE;
-
- png_set_IHDR(png_ptr, info_ptr, mainprog_ptr->width, mainprog_ptr->height,
- mainprog_ptr->sample_depth, color_type, interlace_type,
- PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
-
- if (mainprog_ptr->gamma > 0.0)
- png_set_gAMA(png_ptr, info_ptr, mainprog_ptr->gamma);
-
- if (mainprog_ptr->have_bg) { /* we know it's RGBA, not gray+alpha */
- png_color_16 background;
-
- background.red = mainprog_ptr->bg_red;
- background.green = mainprog_ptr->bg_green;
- background.blue = mainprog_ptr->bg_blue;
- png_set_bKGD(png_ptr, info_ptr, &background);
- }
-
- if (mainprog_ptr->have_time) {
- png_time modtime;
-
- png_convert_from_time_t(&modtime, mainprog_ptr->modtime);
- png_set_tIME(png_ptr, info_ptr, &modtime);
- }
-
- if (mainprog_ptr->have_text) {
- png_text text[6];
- int num_text = 0;
-
- if (mainprog_ptr->have_text & TEXT_TITLE) {
- text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
- text[num_text].key = "Title";
- text[num_text].text = mainprog_ptr->title;
- ++num_text;
- }
- if (mainprog_ptr->have_text & TEXT_AUTHOR) {
- text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
- text[num_text].key = "Author";
- text[num_text].text = mainprog_ptr->author;
- ++num_text;
- }
- if (mainprog_ptr->have_text & TEXT_DESC) {
- text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
- text[num_text].key = "Description";
- text[num_text].text = mainprog_ptr->desc;
- ++num_text;
- }
- if (mainprog_ptr->have_text & TEXT_COPY) {
- text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
- text[num_text].key = "Copyright";
- text[num_text].text = mainprog_ptr->copyright;
- ++num_text;
- }
- if (mainprog_ptr->have_text & TEXT_EMAIL) {
- text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
- text[num_text].key = "E-mail";
- text[num_text].text = mainprog_ptr->email;
- ++num_text;
- }
- if (mainprog_ptr->have_text & TEXT_URL) {
- text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
- text[num_text].key = "URL";
- text[num_text].text = mainprog_ptr->url;
- ++num_text;
- }
- png_set_text(png_ptr, info_ptr, text, num_text);
- }
-
-
- /* write all chunks up to (but not including) first IDAT */
-
- png_write_info(png_ptr, info_ptr);
-
-
- /* if we wanted to write any more text info *after* the image data, we
- * would set up text struct(s) here and call png_set_text() again, with
- * just the new data; png_set_tIME() could also go here, but it would
- * have no effect since we already called it above (only one tIME chunk
- * allowed) */
-
-
- /* set up the transformations: for now, just pack low-bit-depth pixels
- * into bytes (one, two or four pixels per byte) */
-
- png_set_packing(png_ptr);
-/* png_set_shift(png_ptr, &sig_bit); to scale low-bit-depth values */
-
-
- /* make sure we save our pointers for use in writepng_encode_image() */
-
- mainprog_ptr->png_ptr = png_ptr;
- mainprog_ptr->info_ptr = info_ptr;
-
-
- /* OK, that's all we need to do for now; return happy */
-
- return 0;
-}
-
-
-
-
-
-/* returns 0 for success, 2 for libpng (longjmp) problem */
-
-int writepng_encode_image(mainprog_info *mainprog_ptr)
-{
- png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
- png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
-
-
- /* as always, setjmp() must be called in every function that calls a
- * PNG-writing libpng function */
-
- if (setjmp(mainprog_ptr->jmpbuf)) {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- mainprog_ptr->png_ptr = NULL;
- mainprog_ptr->info_ptr = NULL;
- return 2;
- }
-
-
- /* and now we just write the whole image; libpng takes care of interlacing
- * for us */
-
- png_write_image(png_ptr, mainprog_ptr->row_pointers);
-
-
- /* since that's it, we also close out the end of the PNG file now--if we
- * had any text or time info to write after the IDATs, second argument
- * would be info_ptr, but we optimize slightly by sending NULL pointer: */
-
- png_write_end(png_ptr, NULL);
-
- return 0;
-}
-
-
-
-
-
-/* returns 0 if succeeds, 2 if libpng problem */
-
-int writepng_encode_row(mainprog_info *mainprog_ptr) /* NON-interlaced only! */
-{
- png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
- png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
-
-
- /* as always, setjmp() must be called in every function that calls a
- * PNG-writing libpng function */
-
- if (setjmp(mainprog_ptr->jmpbuf)) {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- mainprog_ptr->png_ptr = NULL;
- mainprog_ptr->info_ptr = NULL;
- return 2;
- }
-
-
- /* image_data points at our one row of image data */
-
- png_write_row(png_ptr, mainprog_ptr->image_data);
-
- return 0;
-}
-
-
-
-
-
-/* returns 0 if succeeds, 2 if libpng problem */
-
-int writepng_encode_finish(mainprog_info *mainprog_ptr) /* NON-interlaced! */
-{
- png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
- png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
-
-
- /* as always, setjmp() must be called in every function that calls a
- * PNG-writing libpng function */
-
- if (setjmp(mainprog_ptr->jmpbuf)) {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- mainprog_ptr->png_ptr = NULL;
- mainprog_ptr->info_ptr = NULL;
- return 2;
- }
-
-
- /* close out PNG file; if we had any text or time info to write after
- * the IDATs, second argument would be info_ptr: */
-
- png_write_end(png_ptr, NULL);
-
- return 0;
-}
-
-
-
-
-
-void writepng_cleanup(mainprog_info *mainprog_ptr)
-{
- png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
- png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
-
- if (png_ptr && info_ptr)
- png_destroy_write_struct(&png_ptr, &info_ptr);
-}
-
-
-
-
-
-static void writepng_error_handler(png_structp png_ptr, png_const_charp msg)
-{
- mainprog_info *mainprog_ptr;
-
- /* This function, aside from the extra step of retrieving the "error
- * pointer" (below) and the fact that it exists within the application
- * rather than within libpng, is essentially identical to libpng's
- * default error handler. The second point is critical: since both
- * setjmp() and longjmp() are called from the same code, they are
- * guaranteed to have compatible notions of how big a jmp_buf is,
- * regardless of whether _BSD_SOURCE or anything else has (or has not)
- * been defined. */
-
- fprintf(stderr, "writepng libpng error: %s\n", msg);
- fflush(stderr);
-
- mainprog_ptr = png_get_error_ptr(png_ptr);
- if (mainprog_ptr == NULL) { /* we are completely hosed now */
- fprintf(stderr,
- "writepng severe error: jmpbuf not recoverable; terminating.\n");
- fflush(stderr);
- exit(99);
- }
-
- longjmp(mainprog_ptr->jmpbuf, 1);
-}
+++ /dev/null
-/*---------------------------------------------------------------------------
-
- wpng - simple PNG-writing program writepng.h
-
- ---------------------------------------------------------------------------
-
- Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
-
- This software is provided "as is," without warranty of any kind,
- express or implied. In no event shall the author or contributors
- be held liable for any damages arising in any way from the use of
- this software.
-
- The contents of this file are DUAL-LICENSED. You may modify and/or
- redistribute this software according to the terms of one of the
- following two licenses (at your option):
-
-
- LICENSE 1 ("BSD-like with advertising clause"):
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
-
- 1. Redistributions of source code must retain the above copyright
- notice, disclaimer, and this list of conditions.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, disclaimer, and this list of conditions in the documenta-
- tion and/or other materials provided with the distribution.
- 3. All advertising materials mentioning features or use of this
- software must display the following acknowledgment:
-
- This product includes software developed by Greg Roelofs
- and contributors for the book, "PNG: The Definitive Guide,"
- published by O'Reilly and Associates.
-
-
- LICENSE 2 (GNU GPL v2 or later):
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- ---------------------------------------------------------------------------*/
-
-#ifndef TRUE
-# define TRUE 1
-# define FALSE 0
-#endif
-
-#ifndef MAX
-# define MAX(a,b) ((a) > (b)? (a) : (b))
-# define MIN(a,b) ((a) < (b)? (a) : (b))
-#endif
-
-#ifdef DEBUG
-# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);}
-#else
-# define Trace(x) ;
-#endif
-
-#define TEXT_TITLE 0x01
-#define TEXT_AUTHOR 0x02
-#define TEXT_DESC 0x04
-#define TEXT_COPY 0x08
-#define TEXT_EMAIL 0x10
-#define TEXT_URL 0x20
-
-#define TEXT_TITLE_OFFSET 0
-#define TEXT_AUTHOR_OFFSET 72
-#define TEXT_COPY_OFFSET (2*72)
-#define TEXT_EMAIL_OFFSET (3*72)
-#define TEXT_URL_OFFSET (4*72)
-#define TEXT_DESC_OFFSET (5*72)
-
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-typedef struct _mainprog_info {
- double gamma;
- long width;
- long height;
- time_t modtime;
- FILE *infile;
- FILE *outfile;
- void *png_ptr;
- void *info_ptr;
- uch *image_data;
- uch **row_pointers;
- char *title;
- char *author;
- char *desc;
- char *copyright;
- char *email;
- char *url;
- int filter; /* command-line-filter flag, not PNG row filter! */
- int pnmtype;
- int sample_depth;
- int interlaced;
- int have_bg;
- int have_time;
- int have_text;
- jmp_buf jmpbuf;
- uch bg_red;
- uch bg_green;
- uch bg_blue;
-} mainprog_info;
-
-
-/* prototypes for public functions in writepng.c */
-
-void writepng_version_info(void);
-
-int writepng_init(mainprog_info *mainprog_ptr);
-
-int writepng_encode_image(mainprog_info *mainprog_ptr);
-
-int writepng_encode_row(mainprog_info *mainprog_ptr);
-
-int writepng_encode_finish(mainprog_info *mainprog_ptr);
-
-void writepng_cleanup(mainprog_info *mainprog_ptr);
+++ /dev/null
-This demonstrates the use of PNG_USER_CONFIG and pngusr.h
-
-To build a minimal read-only decoder with embedded libpng and zlib, run
-
- gather.sh # to collect needed files from pngminus, libpng, and zlib
- make
-
-If you prefer to use the shared libraries, go to contrib/pngminus
-and build the png2pnm application there.
+++ /dev/null
-cp ../../pngminus/png2pnm.c pngm2pnm.c
-cp ../../../*.h .
-cp ../../../*.c .
-rm example.c pnggccrd.c pngvcrd.c pngtest.c pngpread.c pngw*.c
-# change the following 2 lines if zlib is somewhere else
-cp ../../../../zlib/*.h .
-cp ../../../../zlib/*.c .
-rm minigzip.c example.c compress.c deflate.c
+++ /dev/null
-/* minrdpngconf.h: headers to make a minimal png-read-only library
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 2007 Glenn Randers-Pehrson
- * Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
- */
-
-#ifndef MINRDPNGCONF_H
-#define MINRDPNGCONF_H
-
-#ifdef NJET
- /* No 16-bit support beyond reading with strip_16 */
-#endif
-
-#define PNG_NO_GLOBAL_ARRAYS
-
-#define PNG_NO_WARNINGS
-#define png_warning(s1,s2) ""
-#define png_chunk_warning(s1,s2) ""
-#define PNG_NO_ERROR_TEXT
-#define png_error(s1,s2) png_err(s1)
-#define png_chunk_error(s1,s2) png_err(s1)
-
-#define PNG_NO_ASSEMBLER_CODE
-#define PNG_NO_OPTIMIZED_CODE
-#define PNG_NO_READ_GAMMA
-#define PNG_NO_READ_BACKGROUND
-#define PNG_NO_READ_DITHER
-#define PNG_NO_READ_INVERT
-#define PNG_NO_READ_SHIFT
-#define PNG_NO_READ_PACK
-#define PNG_NO_READ_PACKSWAP
-#define PNG_NO_READ_FILLER
-#define PNG_NO_READ_SWAP
-#define PNG_NO_READ_SWAP_ALPHA
-#define PNG_NO_READ_INVERT_ALPHA
-#define PNG_NO_READ_RGB_TO_GRAY
-#define PNG_NO_READ_USER_TRANSFORM
-#define PNG_NO_READ_bKGD
-#define PNG_NO_READ_cHRM
-#define PNG_NO_READ_gAMA
-#define PNG_NO_READ_hIST
-#define PNG_NO_READ_iCCP
-#define PNG_NO_READ_pCAL
-#define PNG_NO_READ_pHYs
-#define PNG_NO_READ_sBIT
-#define PNG_NO_READ_sCAL
-#define PNG_NO_READ_sPLT
-#define PNG_NO_READ_sRGB
-#define PNG_NO_READ_TEXT
-#define PNG_NO_READ_tIME
-#define PNG_NO_READ_UNKNOWN_CHUNKS
-#define PNG_NO_READ_USER_CHUNKS
-#define PNG_NO_READ_EMPTY_PLTE
-#define PNG_NO_READ_OPT_PLTE
-#define PNG_NO_READ_STRIP_ALPHA
-#define PNG_NO_READ_oFFs
-#define PNG_NO_WARN_UNINITIALIZED_ROW
-
-#define PNG_NO_WRITE_SUPPORTED
-
-#define PNG_NO_INFO_IMAGE
-#define PNG_NO_USER_MEM
-#define PNG_NO_FIXED_POINT_SUPPORTED
-#define PNG_NO_MNG_FEATURES
-#define PNG_NO_USER_TRANSFORM_PTR
-#define PNG_NO_HANDLE_AS_UNKNOWN
-#define PNG_NO_CONSOLE_IO
-#define PNG_NO_ZALLOC_ZERO
-#define PNG_NO_ERROR_NUMBERS
-#define PNG_NO_EASY_ACCESS
-#define PNG_NO_PROGRESSIVE_READ
-
-#endif /* MINRDPNGCONF_H */
+++ /dev/null
-This demonstrates the use of PNG_USER_CONFIG and pngusr.h
-
-To build a minimal write-only decoder with embedded libpng and zlib, run
-
- gather.sh # to collect needed files from pngminus, libpng, and zlib
- make
-
-If you prefer to use the shared libraries, go to contrib/pngminus
-and build the pnm2png application there.
+++ /dev/null
-#include "zlib.h"
-
-int ZEXPORT inflate(strm, flush)
-z_streamp strm;
-int flush;
-{ return Z_OK ; }
-
-int ZEXPORT inflateReset(strm)
-z_streamp strm;
-{ return Z_OK ; }
-
-int ZEXPORT inflateEnd(strm)
-z_streamp strm;
-{ return Z_STREAM_ERROR ; }
-
-int ZEXPORT inflateInit_(strm, version, stream_size)
-z_streamp strm;
-const char *version;
-int stream_size;
-{ return Z_OK ; }
-
-int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size)
-z_streamp strm;
-int windowBits;
-const char *version;
-int stream_size;
-{ return Z_STREAM_ERROR ; }
+++ /dev/null
-cp ../../pngminus/pnm2png.c pnm2pngm.c
-cp ../../../*.h .
-cp ../../../*.c .
-rm example.c pnggccrd.c pngvcrd.c pngtest.c pngr*.c pngpread.c
-# Change the next 2 lines if zlib is somewhere else.
-cp ../../../../zlib/*.h .
-cp ../../../../zlib/*.c .
-rm inf*.[ch]
-rm minigzip.c example.c
+++ /dev/null
-/* minwrpngconf.h: headers to make a minimal png-write-only library
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 2007 Glenn Randers-Pehrson
- * Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
- */
-
-#ifndef MINWRPNGCONF_H
-#define MINWRPNGCONF_H
-
-#define PNG_NO_GLOBAL_ARRAYS
-
-#define PNG_NO_READ_SUPPORTED
-
-#define PNG_NO_WARNINGS
-#define png_warning(s1,s2) ""
-#define png_chunk_warning(s1,s2) ""
-#define PNG_NO_ERROR_TEXT
-#define png_error(s1,s2) png_err(s1)
-#define png_chunk_error(s1,s2) png_err(s1)
-
-#define PNG_NO_WRITE_BACKGROUND
-#define PNG_NO_WRITE_GAMMA
-#define PNG_NO_WRITE_DITHER
-#define PNG_NO_WRITE_INVERT
-#define PNG_NO_WRITE_SHIFT
-#define PNG_NO_WRITE_PACK
-#define PNG_NO_WRITE_PACKSWAP
-#define PNG_NO_WRITE_FILLER
-#define PNG_NO_WRITE_SWAP
-#define PNG_NO_WRITE_SWAP_ALPHA
-#define PNG_NO_WRITE_INVERT_ALPHA
-#define PNG_NO_WRITE_RGB_TO_GRAY
-#define PNG_NO_WRITE_USER_TRANSFORM
-#define PNG_NO_WRITE_bKGD
-#define PNG_NO_WRITE_cHRM
-#define PNG_NO_WRITE_gAMA
-#define PNG_NO_WRITE_hIST
-#define PNG_NO_WRITE_iCCP
-#define PNG_NO_WRITE_oFFs
-#define PNG_NO_WRITE_pCAL
-#define PNG_NO_WRITE_pHYs
-#define PNG_NO_WRITE_sBIT
-#define PNG_NO_WRITE_sCAL
-#define PNG_NO_WRITE_sPLT
-#define PNG_NO_WRITE_sRGB
-#define PNG_NO_WRITE_TEXT
-#define PNG_NO_WRITE_tIME
-#define PNG_NO_WRITE_UNKNOWN_CHUNKS
-#define PNG_NO_WRITE_USER_CHUNKS
-#define PNG_NO_WRITE_EMPTY_PLTE
-#define PNG_NO_WRITE_OPT_PLTE
-#define PNG_NO_WRITE_FILTER
-#define PNG_NO_WRITE_WEIGHTED_FILTER
-#define PNG_NO_WRITE_INTERLACING_SUPPORTED
-#define PNG_NO_WRITE_FLUSH
-
-#define PNG_NO_INFO_IMAGE
-#define PNG_NO_USER_MEM
-#define PNG_NO_FIXED_POINT_SUPPORTED
-#define PNG_NO_MNG_FEATURES
-#define PNG_NO_USER_TRANSFORM_PTR
-#define PNG_NO_HANDLE_AS_UNKNOWN
-#define PNG_NO_CONSOLE_IO
-#define PNG_NO_ZALLOC_ZERO
-#define PNG_NO_ERROR_NUMBERS
-#define PNG_NO_EASY_ACCESS
-
-#endif /* MINWRPNGCONF_H */
+++ /dev/null
-This demonstrates the use of PNG_USER_CONFIG and pngusr.h
-
-To build a minimal read-only progressive decoder embedded libpng and
-zlib and with your system's X library, run
-
- gather.sh # to collect needed files from gregbook, libpng, and zlib
-
-Edit makefile if required, to find your X library and include files,
-then
-
- make
-
-If you prefer to use the shared libraries, go to contrib/gregbook
-and build the rpng2-x application there.
+++ /dev/null
-cp ../../gregbook/rpng2-x.c ../../gregbook/readpng2.[ch] .
-cp ../../gregbook/COPYING ../../gregbook/LICENSE .
-cp ../../../*.h .
-cp ../../../*.c .
-rm example.c pnggccrd.c pngvcrd.c pngtest.c pngw*.c
-# change the following 2 lines if zlib is somewhere else
-cp ../../../../zlib/*.h .
-cp ../../../../zlib/*.c .
-rm minigzip.c example.c compress.c deflate.c
+++ /dev/null
-/* minrdpngconf.h: headers to make a minimal png-read-only library
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 2007 Glenn Randers-Pehrson
- * Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
- */
-
-#ifndef MINRDPNGCONF_H
-#define MINRDPNGCONF_H
-
-#define PNG_NO_GLOBAL_ARRAYS
-
-#define PNG_NO_WARNINGS
-#define png_warning(s1,s2) ""
-#define png_chunk_warning(s1,s2) ""
-#define PNG_NO_ERROR_TEXT
-#define png_error(s1,s2) png_err(s1)
-#define png_chunk_error(s1,s2) png_err(s1)
-
-#define PNG_NO_ASSEMBLER_CODE
-#define PNG_NO_OPTIMIZED_CODE
-#define PNG_NO_READ_DITHER
-#define PNG_NO_READ_INVERT
-#define PNG_NO_READ_SHIFT
-#define PNG_NO_READ_PACK
-#define PNG_NO_READ_PACKSWAP
-#define PNG_NO_READ_FILLER
-#define PNG_NO_READ_SWAP
-#define PNG_NO_READ_SWAP_ALPHA
-#define PNG_NO_READ_INVERT_ALPHA
-#define PNG_NO_READ_RGB_TO_GRAY
-#define PNG_NO_READ_USER_TRANSFORM
-#define PNG_NO_READ_cHRM
-#define PNG_NO_READ_hIST
-#define PNG_NO_READ_iCCP
-#define PNG_NO_READ_pCAL
-#define PNG_NO_READ_pHYs
-#define PNG_NO_READ_sBIT
-#define PNG_NO_READ_sCAL
-#define PNG_NO_READ_sPLT
-#define PNG_NO_READ_TEXT
-#define PNG_NO_READ_tIME
-#define PNG_NO_READ_UNKNOWN_CHUNKS
-#define PNG_NO_READ_USER_CHUNKS
-#define PNG_NO_READ_EMPTY_PLTE
-#define PNG_NO_READ_OPT_PLTE
-#define PNG_NO_READ_STRIP_ALPHA
-#define PNG_NO_READ_oFFs
-#define PNG_NO_WARN_UNINITIALIZED_ROW
-
-#define PNG_NO_WRITE_SUPPORTED
-
-#define PNG_NO_INFO_IMAGE
-#define PNG_NO_USER_MEM
-#define PNG_NO_FIXED_POINT_SUPPORTED
-#define PNG_NO_MNG_FEATURES
-#define PNG_NO_USER_TRANSFORM_PTR
-#define PNG_NO_HANDLE_AS_UNKNOWN
-#define PNG_NO_CONSOLE_IO
-#define PNG_NO_ZALLOC_ZERO
-#define PNG_NO_ERROR_NUMBERS
-#define PNG_NO_EASY_ACCESS
-
-#endif /* MINRDPNGCONF_H */
+++ /dev/null
-PngMinus
---------
-(copyright Willem van Schaik, 1999)
-
-
-License
--------
-
-Permission to use, copy, modify, and distribute this software and
-its documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and
-that both that copyright notice and this permission notice appear in
-supporting documentation. This software is provided "as is" without
-express or implied warranty.
-
-
-Some history
-------------
-Soon after the creation of PNG in 1995, the need was felt for a set of
-pnmtopng / pngtopnm utilities. Independantly Alexander Lehmann and I
-(Willem van Schaik) started such a project. Luckily we discovered this
-and merged the two together into pnmtopng.tar.gz, which is available
-from a/o ftp://ftp.simplesystems.org/pub/libpng/png/.
-
-These two utilities have many, many options and make use of most of the
-features of PNG, like gamma, alpha, sbit, text-chunks, etc. This makes
-the utilities quite complex and by now not anymore very maintainable.
-When we wrote these programs, libpng was still in an early stage.
-Therefore, lots of the functionality that we put in our software can now
-be done using transform-functions in libpng.
-
-Finally, to compile these programs, you need to have installed and
-compiled three libraries: libpng, zlib and netpbm. Especially the latter
-makes the whole setup a bit bulky. But that's unavoidable given the many
-features of pnmtopng.
-
-
-What now
---------
-At this moment libpng is in a very stable state and can do much of the
-work done in pnmtopng. Also, pnmtopng needs to be upgraded to the new
-interface of libpng. Hence, it is time for a rewrite from the ground up
-of pnmtopng and pngtopnm. This will happen in the near future (stay
-tuned). The new package will get a different name to distinguish it from
-the old one: PngPlus.
-
-To experiment a bit with the new interface of libpng, I started off with
-a small prototype that contains only the basic functionality. It doesn't
-have any of the options to read or write special chunks and it will do
-no gamma correction. But this makes it also a simple program that is
-quite easy to understand and can serve well as a template for other
-software developments. (By now there are of course a couple of programs,
-like Greg Roelofs' rpng/wpng, that can be used just as good.)
-
-
-Can and can not
----------------
-As this is the small brother of the future PngPlus, I called this fellow
-PngMinus. Because I started this development in good-old Turbo-C, I
-avoided the use the netpbm library, which requires DOS extenders. Again,
-another reason to call it PngMinus (minus netpbm :-). So, part of the
-program are some elementary routines to read / write pgm- and ppm-files.
-It does not read b&w pbm-files.
-
-The downside of this approach is that you can not use them on images
-that require blocks of memory bigger than 64k (the DOS version). For
-larger images you will get an out-of-memory error.
-
-As said before, PngMinus doesn't correct for gamma. When reading
-png-files you can do this just as well by piping the output of png2pnm
-to pnmgamma, one of the standard PbmPlus tools. This same scenario will
-most probably also be followed in the full-blown future PngPlus, with
-the addition of course of the possibility to create gamma-chunks when
-writing png-files.
-
-On the other hand it supports alpha-channels. When reading a png-image
-you can write the alpha-channel into a pgm-file. And when creating an
-RGB+A png-image, you just combine a ppm-file with a corresponding
-pgm-file containing the alpha-channel. When reading, transparency chunks
-are converted into an alpha-channel and from there on treated the same
-way.
-
-Finally you can opt for writing ascii or binary pgm- and ppm-files. When
-the bit-depth is 16, the format will always be ascii.
-
-
-Using it
---------
-To distinguish them from pnmtopng and PngPlus, the utilities are named
-png2pnm and pnm2png (2 instead of to). The input- and output-files can
-be given as parameters or through redirection. Therefore the programs
-can be part of a pipe.
-
-To list the options type "png2pnm -h" or "pnm2png -h".
-
-
-Just like Scandinavian furniture
---------------------------------
-You have to put it together yourself. I did test the software under
-MS-DOS with Turbo-C 3.0 and under RedHat Linux 4.2 with gcc. In both
-cases I used libpng-1.0.4 and zlib-1.1.3. Later versions should be OK,
-however some older libpng versions have a bug in pngmem.c when using
-Turbo-C 3.0 (see below).
-
-You can build it using one of the two makefiles (make -f makefile.###)
-or use the batch/script files pngminus.bat / pngminus.sh. This assumes
-that you have built the libraries in ../libpng and ../zlib. Using Linux,
-make sure that you have built libpng with makefile.std and not
-makefile.linux (also called .lnx in earlier versions of libpng). The
-latter creates a .so shared-library, while the PngMinus makefile assumes
-a normal .a static library.
-
-If you create a ../pngsuite directory and then store the basn####.png
-files from PngSuite (http://www.schaik.com/pngsuite/) in there, you can
-test in one go the proper functioning of PngMinus, see png2pnm.bat and
-pnm2png.bat (or the .sh versions).
-
-
-Warranty
--------
-Please, remember that this was just a small experiment to learn a few
-things. It will have many unforeseen features <vbg>. Who said bugs? Use
-it when you are in need for something simple or when you want to start
-developing your own stuff.
-
-
-The Turbo bug
--------------
-** pngmem.old
- hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L);
- hptr += 16L;
-** pngmem.c
- hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L);
- hptr = hptr + 16L;
-**
-
-** pngmem.old
- png_ptr->offset_table_ptr[i] = (png_bytep)hptr;
- hptr += (png_uint_32)65536L;
-** pngmem.c
- png_ptr->offset_table_ptr[i] = (png_bytep)hptr;
- hptr = hptr + 65536L;
-**
-
-
-The end
--------
-Willem van Schaik
-mailto:willem@schaik.com
-http://www.schaik.com/png/
--------
-Oct 1999
-
+++ /dev/null
-# Makefile for PngMinus (png2pnm and pnm2png)
-# Linux / Unix
-
-#CC=cc
-CC=gcc
-LD=$(CC)
-
-RM=rm -f
-
-#PNGPATH = /usr/local
-#PNGINC = -I$(PNGPATH)/include/libpng12
-#PNGLIB = -L$(PNGPATH)/lib -lpng12
-#PNGLIBS = $(PNGPATH)/lib/libpng12.a
-PNGINC = -I../..
-PNGLIB = -L../.. -lpng
-PNGLIBS = ../../libpng.a
-
-#ZPATH = /usr/local
-#ZINC = -I$(ZPATH)/include
-#ZLIB = -L$(ZPATH)/lib -lz
-#ZLIBS = $(ZPATH)/lib/libz.a
-ZINC = -I../../../zlib
-ZLIB = -L../../../zlib -lz
-ZLIBS = ../../../zlib/libz.a
-
-CFLAGS=-O3 $(PNGINC) $(ZINC)
-LDFLAGS=$(PNGLIB) $(ZLIB)
-LDFLAGSS=$(PNGLIBS) $(ZLIBS)
-C=.c
-O=.o
-L=.a
-E=
-
-# dependencies
-
-#all: png2pnm$(E) pnm2png$(E)
-all: png2pnm$(E) pnm2png$(E) png2pnm-static$(E) pnm2png-static$(E)
-
-png2pnm$(O): png2pnm$(C)
- $(CC) -c $(CFLAGS) png2pnm$(C)
-
-png2pnm$(E): png2pnm$(O)
- $(LD) -o png2pnm$(E) png2pnm$(O) $(LDFLAGS) -lm
-
-png2pnm-static$(E): png2pnm$(O)
- $(LD) -o png2pnm-static$(E) png2pnm$(O) $(LDFLAGSS) -lm
-
-pnm2png$(O): pnm2png$(C)
- $(CC) -c $(CFLAGS) pnm2png$(C)
-
-pnm2png$(E): pnm2png$(O)
- $(LD) -o pnm2png$(E) pnm2png$(O) $(LDFLAGS) -lm
-
-pnm2png-static$(E): pnm2png$(O)
- $(LD) -o pnm2png-static$(E) pnm2png$(O) $(LDFLAGSS) -lm
-
-clean:
- $(RM) png2pnm$(O)
- $(RM) pnm2png$(O)
- $(RM) png2pnm$(E)
- $(RM) pnm2png$(E)
- $(RM) png2pnm-static$(E)
- $(RM) pnm2png-static$(E)
-
-# End of makefile for png2pnm / pnm2png
+++ /dev/null
-# Makefile for PngMinus (png2pnm and pnm2png)
-# TurboC++ 3.0
-
-CC=tcc -Ic:\tc3\inc
-LD=tcc -Lc:\tc3\lib
-LB=tlib
-RM=del
-CP=copy
-MODEL=l
-CCFLAGS=-O -m$(MODEL) -I..\libpng -I..\zlib
-LDFLAGS=-m$(MODEL) -L..\libpng -L..\zlib
-C=.c
-O=.obj
-L=.lib
-E=.exe
-
-# dependencies
-
-all: png2pnm$(E) pnm2png$(E)
-
-png2pnm$(O): png2pnm$(C)
- $(CC) -c $(CCFLAGS) png2pnm$(C)
-
-png2pnm$(E): png2pnm$(O)
- $(LD) $(LDFLAGS) png2pnm$(O) libpng$(L) zlib$(L)
-
-pnm2png$(O): pnm2png$(C)
- $(CC) -c $(CCFLAGS) pnm2png$(C)
-
-pnm2png$(E): pnm2png$(O)
- $(LD) $(LDFLAGS) pnm2png$(O) libpng$(L) zlib$(L)
-
-clean:
- $(RM) *$(O)
- $(RM) *$(E)
-
-# End of makefile for png2pnm / pnm2png
-
+++ /dev/null
-$!------------------------------------------------------------------------------
-$! make Contrib programs of libpng under OpenVMS
-$!
-$!
-$! Look for the compiler used
-$!
-$ zlibsrc = "[---.zlib]"
-$ ccopt="/include=(''zlibsrc',[--])"
-$ if f$getsyi("HW_MODEL").ge.1024
-$ then
-$ ccopt = "/prefix=all"+ccopt
-$ comp = "__decc__=1"
-$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
-$ else
-$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs.""
-$ then
-$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
-$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs.""
-$ then
-$ comp = "__gcc__=1"
-$ CC :== GCC
-$ else
-$ comp = "__vaxc__=1"
-$ endif
-$ else
-$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include:
-$ ccopt = "/decc/prefix=all"+ccopt
-$ comp = "__decc__=1"
-$ endif
-$ endif
-$ open/write lopt lib.opt
-$ write lopt "[--]libpng.olb/lib"
-$ write lopt "''zlibsrc'libz.olb/lib"
-$ close lopt
-$ open/write xopt x11.opt
-$ write xopt "sys$library:decw$xlibshr.exe/share"
-$ close xopt
-$ write sys$output "Compiling PNG contrib programs ..."
-$ write sys$output "Building pnm2png..."
-$ CALL MAKE pnm2png.OBJ "cc ''CCOPT' pnm2png" -
- pnm2png.c
-$ call make pnm2png.exe -
- "LINK pnm2png,lib.opt/opt" -
- pnm2png.obj
-$ write sys$output "Building png2pnm..."
-$ CALL MAKE png2pnm.OBJ "cc ''CCOPT' png2pnm" -
- png2pnm.c
-$ call make png2pnm.exe -
- "LINK png2pnm,lib.opt/opt" -
- png2pnm.obj
-$ exit
-$!
-$!
-$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES
-$ V = 'F$Verify(0)
-$! P1 = What we are trying to make
-$! P2 = Command to make it
-$! P3 - P8 What it depends on
-$
-$ If F$Search(P1) .Eqs. "" Then Goto Makeit
-$ Time = F$CvTime(F$File(P1,"RDT"))
-$arg=3
-$Loop:
-$ Argument = P'arg
-$ If Argument .Eqs. "" Then Goto Exit
-$ El=0
-$Loop2:
-$ File = F$Element(El," ",Argument)
-$ If File .Eqs. " " Then Goto Endl
-$ AFile = ""
-$Loop3:
-$ OFile = AFile
-$ AFile = F$Search(File)
-$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl
-$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit
-$ Goto Loop3
-$NextEL:
-$ El = El + 1
-$ Goto Loop2
-$EndL:
-$ arg=arg+1
-$ If arg .Le. 8 Then Goto Loop
-$ Goto Exit
-$
-$Makeit:
-$ VV=F$VERIFY(0)
-$ write sys$output P2
-$ 'P2
-$ VV='F$Verify(VV)
-$Exit:
-$ If V Then Set Verify
-$ENDSUBROUTINE
+++ /dev/null
-REM -- grayscale
-png2pnm.exe -noraw ..\pngsuite\basn0g01.png basn0g01.pgm
-png2pnm.exe -noraw ..\pngsuite\basn0g02.png basn0g02.pgm
-png2pnm.exe -noraw ..\pngsuite\basn0g04.png basn0g04.pgm
-png2pnm.exe -noraw ..\pngsuite\basn0g08.png basn0g08.pgm
-png2pnm.exe -noraw ..\pngsuite\basn0g16.png basn0g16.pgm
-REM -- full-color
-png2pnm.exe -noraw ..\pngsuite\basn2c08.png basn2c08.ppm
-png2pnm.exe -noraw ..\pngsuite\basn2c16.png basn2c16.ppm
-REM -- palletted
-png2pnm.exe -noraw ..\pngsuite\basn3p01.png basn3p01.ppm
-png2pnm.exe -noraw ..\pngsuite\basn3p02.png basn3p02.ppm
-png2pnm.exe -noraw ..\pngsuite\basn3p04.png basn3p04.ppm
-png2pnm.exe -noraw ..\pngsuite\basn3p08.png basn3p08.ppm
-REM -- gray with alpha-channel
-png2pnm.exe -noraw ..\pngsuite\basn4a08.png basn4a08.pgm
-png2pnm.exe -noraw ..\pngsuite\basn4a16.png basn4a16.pgm
-REM -- color with alpha-channel
-png2pnm.exe -noraw -alpha basn6a08.pgm ..\pngsuite\basn6a08.png basn6a08.ppm
-png2pnm.exe -noraw -alpha basn6a16.pgm ..\pngsuite\basn6a16.png basn6a16.ppm
-REM -- grayscale
-png2pnm.exe -raw ..\pngsuite\basn0g01.png rawn0g01.pgm
-png2pnm.exe -raw ..\pngsuite\basn0g02.png rawn0g02.pgm
-png2pnm.exe -raw ..\pngsuite\basn0g04.png rawn0g04.pgm
-png2pnm.exe -raw ..\pngsuite\basn0g08.png rawn0g08.pgm
-png2pnm.exe -raw ..\pngsuite\basn0g16.png rawn0g16.pgm
-REM -- full-color
-png2pnm.exe -raw ..\pngsuite\basn2c08.png rawn2c08.ppm
-png2pnm.exe -raw ..\pngsuite\basn2c16.png rawn2c16.ppm
-REM -- palletted
-png2pnm.exe -raw ..\pngsuite\basn3p01.png rawn3p01.ppm
-png2pnm.exe -raw ..\pngsuite\basn3p02.png rawn3p02.ppm
-png2pnm.exe -raw ..\pngsuite\basn3p04.png rawn3p04.ppm
-png2pnm.exe -raw ..\pngsuite\basn3p08.png rawn3p08.ppm
-REM -- gray with alpha-channel
-png2pnm.exe -raw ..\pngsuite\basn4a08.png rawn4a08.pgm
-png2pnm.exe -raw ..\pngsuite\basn4a16.png rawn4a16.pgm
-REM -- color with alpha-channel
-png2pnm.exe -noraw -alpha rawn6a08.pgm ..\pngsuite\basn6a08.png rawn6a08.ppm
-png2pnm.exe -noraw -alpha rawn6a16.pgm ..\pngsuite\basn6a16.png rawn6a16.ppm
-
+++ /dev/null
-/*
- * png2pnm.c --- conversion from PNG-file to PGM/PPM-file
- * copyright (C) 1999 by Willem van Schaik <willem@schaik.com>
- *
- * version 1.0 - 1999.10.15 - First version.
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear in
- * supporting documentation. This software is provided "as is" without
- * express or implied warranty.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef __TURBOC__
-#include <mem.h>
-#include <fcntl.h>
-#endif
-
-#ifdef _WIN32
-#include <stdio.h>
-#include <fcntl.h>
-#define STDIN STDIN_FILENO
-#define STDOUT STDOUT_FILENO
-#endif
-
-#ifndef BOOL
-#define BOOL unsigned char
-#endif
-#ifndef TRUE
-#define TRUE (BOOL) 1
-#endif
-#ifndef FALSE
-#define FALSE (BOOL) 0
-#endif
-
-#ifdef __TURBOC__
-#define STDIN 0
-#define STDOUT 1
-#define STDERR 2
-#endif
-
-/* to make png2pnm verbose so we can find problems (needs to be before png.h) */
-#ifndef PNG_DEBUG
-#define PNG_DEBUG 0
-#endif
-
-#include "png.h"
-
-/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
-#ifndef png_jmpbuf
-# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
-#endif
-
-/* function prototypes */
-
-int main (int argc, char *argv[]);
-void usage ();
-BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file, BOOL raw, BOOL alpha);
-
-/*
- * main
- */
-
-int main(int argc, char *argv[])
-{
- FILE *fp_rd = stdin;
- FILE *fp_wr = stdout;
- FILE *fp_al = NULL;
- BOOL raw = TRUE;
- BOOL alpha = FALSE;
- int argi;
-
- for (argi = 1; argi < argc; argi++)
- {
- if (argv[argi][0] == '-')
- {
- switch (argv[argi][1])
- {
- case 'n':
- raw = FALSE;
- break;
- case 'r':
- raw = TRUE;
- break;
- case 'a':
- alpha = TRUE;
- argi++;
- if ((fp_al = fopen (argv[argi], "wb")) == NULL)
- {
- fprintf (stderr, "PNM2PNG\n");
- fprintf (stderr, "Error: can not create alpha-channel file %s\n", argv[argi]);
- exit (1);
- }
- break;
- case 'h':
- case '?':
- usage();
- exit(0);
- break;
- default:
- fprintf (stderr, "PNG2PNM\n");
- fprintf (stderr, "Error: unknown option %s\n", argv[argi]);
- usage();
- exit(1);
- break;
- } /* end switch */
- }
- else if (fp_rd == stdin)
- {
- if ((fp_rd = fopen (argv[argi], "rb")) == NULL)
- {
- fprintf (stderr, "PNG2PNM\n");
- fprintf (stderr, "Error: file %s does not exist\n", argv[argi]);
- exit (1);
- }
- }
- else if (fp_wr == stdout)
- {
- if ((fp_wr = fopen (argv[argi], "wb")) == NULL)
- {
- fprintf (stderr, "PNG2PNM\n");
- fprintf (stderr, "Error: can not create file %s\n", argv[argi]);
- exit (1);
- }
- }
- else
- {
- fprintf (stderr, "PNG2PNM\n");
- fprintf (stderr, "Error: too many parameters\n");
- usage();
- exit(1);
- }
- } /* end for */
-
-#if defined __TURBOC__ || defined _WIN32
- /* set stdin/stdout if required to binary */
- if (fp_rd == stdin)
- {
- setmode (STDIN, O_BINARY);
- }
- if ((raw) && (fp_wr == stdout))
- {
- setmode (STDOUT, O_BINARY);
- }
-#endif
-
- /* call the conversion program itself */
- if (png2pnm (fp_rd, fp_wr, fp_al, raw, alpha) == FALSE)
- {
- fprintf (stderr, "PNG2PNM\n");
- fprintf (stderr, "Error: unsuccessful convertion of PNG-image\n");
- exit(1);
- }
-
- /* close input file */
- fclose (fp_rd);
- /* close output file */
- fclose (fp_wr);
- /* close alpha file */
- if (alpha)
- fclose (fp_al);
-
- return 0;
-}
-
-/*
- * usage
- */
-
-void usage()
-{
- fprintf (stderr, "PNG2PNM\n");
- fprintf (stderr, " by Willem van Schaik, 1999\n");
-#ifdef __TURBOC__
- fprintf (stderr, " for Turbo-C and Borland-C compilers\n");
-#else
- fprintf (stderr, " for Linux (and Unix) compilers\n");
-#endif
- fprintf (stderr, "Usage: png2pnm [options] <file>.png [<file>.pnm]\n");
- fprintf (stderr, " or: ... | png2pnm [options]\n");
- fprintf (stderr, "Options:\n");
- fprintf (stderr, " -r[aw] write pnm-file in binary format (P4/P5/P6) (default)\n");
- fprintf (stderr, " -n[oraw] write pnm-file in ascii format (P1/P2/P3)\n");
- fprintf (stderr, " -a[lpha] <file>.pgm write PNG alpha channel as pgm-file\n");
- fprintf (stderr, " -h | -? print this help-information\n");
-}
-
-/*
- * png2pnm
- */
-
-BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file, BOOL raw, BOOL alpha)
-{
- png_struct *png_ptr = NULL;
- png_info *info_ptr = NULL;
- png_byte buf[8];
- png_byte *png_pixels = NULL;
- png_byte **row_pointers = NULL;
- png_byte *pix_ptr = NULL;
- png_uint_32 row_bytes;
-
- png_uint_32 width;
- png_uint_32 height;
- int bit_depth;
- int channels;
- int color_type;
- int alpha_present;
- int row, col;
- int ret;
- int i;
- long dep_16;
-
- /* read and check signature in PNG file */
- ret = fread (buf, 1, 8, png_file);
- if (ret != 8)
- return FALSE;
-
- ret = png_check_sig (buf, 8);
- if (!ret)
- return FALSE;
-
- /* create png and info structures */
-
- png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING,
- NULL, NULL, NULL);
- if (!png_ptr)
- return FALSE; /* out of memory */
-
- info_ptr = png_create_info_struct (png_ptr);
- if (!info_ptr)
- {
- png_destroy_read_struct (&png_ptr, NULL, NULL);
- return FALSE; /* out of memory */
- }
-
- if (setjmp (png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
- return FALSE;
- }
-
- /* set up the input control for C streams */
- png_init_io (png_ptr, png_file);
- png_set_sig_bytes (png_ptr, 8); /* we already read the 8 signature bytes */
-
- /* read the file information */
- png_read_info (png_ptr, info_ptr);
-
- /* get size and bit-depth of the PNG-image */
- png_get_IHDR (png_ptr, info_ptr,
- &width, &height, &bit_depth, &color_type,
- NULL, NULL, NULL);
-
- /* set-up the transformations */
-
- /* transform paletted images into full-color rgb */
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- png_set_expand (png_ptr);
- /* expand images to bit-depth 8 (only applicable for grayscale images) */
- if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
- png_set_expand (png_ptr);
- /* transform transparency maps into full alpha-channel */
- if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
- png_set_expand (png_ptr);
-
-#ifdef NJET
- /* downgrade 16-bit images to 8 bit */
- if (bit_depth == 16)
- png_set_strip_16 (png_ptr);
- /* transform grayscale images into full-color */
- if (color_type == PNG_COLOR_TYPE_GRAY ||
- color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- png_set_gray_to_rgb (png_ptr);
- /* only if file has a file gamma, we do a correction */
- if (png_get_gAMA (png_ptr, info_ptr, &file_gamma))
- png_set_gamma (png_ptr, (double) 2.2, file_gamma);
-#endif
-
- /* all transformations have been registered; now update info_ptr data,
- * get rowbytes and channels, and allocate image memory */
-
- png_read_update_info (png_ptr, info_ptr);
-
- /* get the new color-type and bit-depth (after expansion/stripping) */
- png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
- NULL, NULL, NULL);
-
- /* check for 16-bit files */
- if (bit_depth == 16)
- {
- raw = FALSE;
-#ifdef __TURBOC__
- pnm_file->flags &= ~((unsigned) _F_BIN);
-#endif
- }
-
- /* calculate new number of channels and store alpha-presence */
- if (color_type == PNG_COLOR_TYPE_GRAY)
- channels = 1;
- else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- channels = 2;
- else if (color_type == PNG_COLOR_TYPE_RGB)
- channels = 3;
- else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- channels = 4;
- else
- channels = 0; /* should never happen */
- alpha_present = (channels - 1) % 2;
-
- /* check if alpha is expected to be present in file */
- if (alpha && !alpha_present)
- {
- fprintf (stderr, "PNG2PNM\n");
- fprintf (stderr, "Error: PNG-file doesn't contain alpha channel\n");
- exit (1);
- }
-
- /* row_bytes is the width x number of channels x (bit-depth / 8) */
- row_bytes = png_get_rowbytes (png_ptr, info_ptr);
-
- if ((png_pixels = (png_byte *) malloc (row_bytes * height * sizeof (png_byte))) == NULL) {
- png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
- return FALSE;
- }
-
- if ((row_pointers = (png_byte **) malloc (height * sizeof (png_bytep))) == NULL)
- {
- png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
- free (png_pixels);
- png_pixels = NULL;
- return FALSE;
- }
-
- /* set the individual row_pointers to point at the correct offsets */
- for (i = 0; i < (height); i++)
- row_pointers[i] = png_pixels + i * row_bytes;
-
- /* now we can go ahead and just read the whole image */
- png_read_image (png_ptr, row_pointers);
-
- /* read rest of file, and get additional chunks in info_ptr - REQUIRED */
- png_read_end (png_ptr, info_ptr);
-
- /* clean up after the read, and free any memory allocated - REQUIRED */
- png_destroy_read_struct (&png_ptr, &info_ptr, (png_infopp) NULL);
-
- /* write header of PNM file */
-
- if ((color_type == PNG_COLOR_TYPE_GRAY) ||
- (color_type == PNG_COLOR_TYPE_GRAY_ALPHA))
- {
- fprintf (pnm_file, "%s\n", (raw) ? "P5" : "P2");
- fprintf (pnm_file, "%d %d\n", (int) width, (int) height);
- fprintf (pnm_file, "%ld\n", ((1L << (int) bit_depth) - 1L));
- }
- else if ((color_type == PNG_COLOR_TYPE_RGB) ||
- (color_type == PNG_COLOR_TYPE_RGB_ALPHA))
- {
- fprintf (pnm_file, "%s\n", (raw) ? "P6" : "P3");
- fprintf (pnm_file, "%d %d\n", (int) width, (int) height);
- fprintf (pnm_file, "%ld\n", ((1L << (int) bit_depth) - 1L));
- }
-
- /* write header of PGM file with alpha channel */
-
- if ((alpha) &&
- ((color_type == PNG_COLOR_TYPE_GRAY_ALPHA) ||
- (color_type == PNG_COLOR_TYPE_RGB_ALPHA)))
- {
- fprintf (alpha_file, "%s\n", (raw) ? "P5" : "P2");
- fprintf (alpha_file, "%d %d\n", (int) width, (int) height);
- fprintf (alpha_file, "%ld\n", ((1L << (int) bit_depth) - 1L));
- }
-
- /* write data to PNM file */
- pix_ptr = png_pixels;
-
- for (row = 0; row < height; row++)
- {
- for (col = 0; col < width; col++)
- {
- for (i = 0; i < (channels - alpha_present); i++)
- {
- if (raw)
- fputc ((int) *pix_ptr++ , pnm_file);
- else
- if (bit_depth == 16){
- dep_16 = (long) *pix_ptr++;
- fprintf (pnm_file, "%ld ", (dep_16 << 8) + ((long) *pix_ptr++));
- }
- else
- fprintf (pnm_file, "%ld ", (long) *pix_ptr++);
- }
- if (alpha_present)
- {
- if (!alpha)
- {
- pix_ptr++; /* alpha */
- if (bit_depth == 16)
- pix_ptr++;
- }
- else /* output alpha-channel as pgm file */
- {
- if (raw)
- fputc ((int) *pix_ptr++ , alpha_file);
- else
- if (bit_depth == 16){
- dep_16 = (long) *pix_ptr++;
- fprintf (alpha_file, "%ld ", (dep_16 << 8) + (long) *pix_ptr++);
- }
- else
- fprintf (alpha_file, "%ld ", (long) *pix_ptr++);
- }
- } /* if alpha_present */
-
- if (!raw)
- if (col % 4 == 3)
- fprintf (pnm_file, "\n");
- } /* end for col */
-
- if (!raw)
- if (col % 4 != 0)
- fprintf (pnm_file, "\n");
- } /* end for row */
-
- if (row_pointers != (unsigned char**) NULL)
- free (row_pointers);
- if (png_pixels != (unsigned char*) NULL)
- free (png_pixels);
-
- return TRUE;
-
-} /* end of source */
-
+++ /dev/null
-#!/bin/sh
-# -- grayscale
-./png2pnm -noraw ../pngsuite/basn0g01.png basn0g01.pgm
-./png2pnm -noraw ../pngsuite/basn0g02.png basn0g02.pgm
-./png2pnm -noraw ../pngsuite/basn0g04.png basn0g04.pgm
-./png2pnm -noraw ../pngsuite/basn0g08.png basn0g08.pgm
-./png2pnm -noraw ../pngsuite/basn0g16.png basn0g16.pgm
-# -- full-color
-./png2pnm -noraw ../pngsuite/basn2c08.png basn2c08.ppm
-./png2pnm -noraw ../pngsuite/basn2c16.png basn2c16.ppm
-# -- palletted
-./png2pnm -noraw ../pngsuite/basn3p01.png basn3p01.ppm
-./png2pnm -noraw ../pngsuite/basn3p02.png basn3p02.ppm
-./png2pnm -noraw ../pngsuite/basn3p04.png basn3p04.ppm
-./png2pnm -noraw ../pngsuite/basn3p08.png basn3p08.ppm
-# -- gray with alpha-channel
-./png2pnm -noraw ../pngsuite/basn4a08.png basn4a08.pgm
-./png2pnm -noraw ../pngsuite/basn4a16.png basn4a16.pgm
-# -- color with alpha-channel
-./png2pnm -noraw -alpha basn6a08.pgm ../pngsuite/basn6a08.png basn6a08.ppm
-./png2pnm -noraw -alpha basn6a16.pgm ../pngsuite/basn6a16.png basn6a16.ppm
-# -- grayscale
-./png2pnm -raw ../pngsuite/basn0g01.png rawn0g01.pgm
-./png2pnm -raw ../pngsuite/basn0g02.png rawn0g02.pgm
-./png2pnm -raw ../pngsuite/basn0g04.png rawn0g04.pgm
-./png2pnm -raw ../pngsuite/basn0g08.png rawn0g08.pgm
-./png2pnm -raw ../pngsuite/basn0g16.png rawn0g16.pgm
-# -- full-color
-./png2pnm -raw ../pngsuite/basn2c08.png rawn2c08.ppm
-./png2pnm -raw ../pngsuite/basn2c16.png rawn2c16.ppm
-# -- palletted
-./png2pnm -raw ../pngsuite/basn3p01.png rawn3p01.ppm
-./png2pnm -raw ../pngsuite/basn3p02.png rawn3p02.ppm
-./png2pnm -raw ../pngsuite/basn3p04.png rawn3p04.ppm
-./png2pnm -raw ../pngsuite/basn3p08.png rawn3p08.ppm
-# -- gray with alpha-channel
-./png2pnm -raw ../pngsuite/basn4a08.png rawn4a08.pgm
-./png2pnm -raw ../pngsuite/basn4a16.png rawn4a16.pgm
-# -- color with alpha-channel
-./png2pnm -noraw -alpha rawn6a08.pgm ../pngsuite/basn6a08.png rawn6a08.ppm
-./png2pnm -noraw -alpha rawn6a16.pgm ../pngsuite/basn6a16.png rawn6a16.ppm
-
+++ /dev/null
-make -f makefile.tc3
-call png2pnm.bat
-call pnm2png.bat
-
+++ /dev/null
-#!/bin/sh
-make -f makefile.std
-sh png2pnm.sh
-sh pnm2png.sh
-
+++ /dev/null
-REM -- grayscale
-pnm2png.exe basn0g01.pgm basn0g01.png
-pnm2png.exe basn0g02.pgm basn0g02.png
-pnm2png.exe basn0g04.pgm basn0g04.png
-pnm2png.exe basn0g08.pgm basn0g08.png
-pnm2png.exe basn0g16.pgm basn0g16.png
-REM -- full-color
-pnm2png.exe basn2c08.ppm basn2c08.png
-pnm2png.exe basn2c16.ppm basn2c16.png
-REM -- palletted
-pnm2png.exe basn3p01.ppm basn3p01.png
-pnm2png.exe basn3p02.ppm basn3p02.png
-pnm2png.exe basn3p04.ppm basn3p04.png
-pnm2png.exe basn3p08.ppm basn3p08.png
-REM -- gray with alpha-channel
-pnm2png.exe -alpha basn6a08.pgm basn4a08.pgm basn4a08.png
-pnm2png.exe -alpha basn6a16.pgm basn4a16.pgm basn4a16.png
-REM -- color with alpha-channel
-pnm2png.exe -alpha basn6a08.pgm basn6a08.ppm basn6a08.png
-pnm2png.exe -alpha basn6a16.pgm basn6a16.ppm basn6a16.png
-REM -- grayscale
-pnm2png.exe rawn0g01.pgm rawn0g01.png
-pnm2png.exe rawn0g02.pgm rawn0g02.png
-pnm2png.exe rawn0g04.pgm rawn0g04.png
-pnm2png.exe rawn0g08.pgm rawn0g08.png
-pnm2png.exe rawn0g16.pgm rawn0g16.png
-REM -- full-color
-pnm2png.exe rawn2c08.ppm rawn2c08.png
-pnm2png.exe rawn2c16.ppm rawn2c16.png
-REM -- palletted
-pnm2png.exe rawn3p01.ppm rawn3p01.png
-pnm2png.exe rawn3p02.ppm rawn3p02.png
-pnm2png.exe rawn3p04.ppm rawn3p04.png
-pnm2png.exe rawn3p08.ppm rawn3p08.png
-REM -- gray with alpha-channel
-pnm2png.exe -alpha rawn6a08.pgm rawn4a08.pgm rawn4a08.png
-pnm2png.exe -alpha rawn6a16.pgm rawn4a16.pgm rawn4a16.png
-REM -- color with alpha-channel
-pnm2png.exe -alpha rawn6a08.pgm rawn6a08.ppm rawn6a08.png
-pnm2png.exe -alpha rawn6a16.pgm rawn6a16.ppm rawn6a16.png
-
+++ /dev/null
-/*
- * pnm2png.c --- conversion from PBM/PGM/PPM-file to PNG-file
- * copyright (C) 1999 by Willem van Schaik <willem@schaik.com>
- *
- * version 1.0 - 1999.10.15 - First version.
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear in
- * supporting documentation. This software is provided "as is" without
- * express or implied warranty.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef __TURBOC__
-#include <mem.h>
-#include <fcntl.h>
-#endif
-
-#ifdef _WIN32
-#include <stdio.h>
-#include <fcntl.h>
-#define STDIN STDIN_FILENO
-#define STDOUT STDOUT_FILENO
-#endif
-
-#ifndef BOOL
-#define BOOL unsigned char
-#endif
-#ifndef TRUE
-#define TRUE (BOOL) 1
-#endif
-#ifndef FALSE
-#define FALSE (BOOL) 0
-#endif
-
-#ifdef __TURBOC__
-#define STDIN 0
-#define STDOUT 1
-#define STDERR 2
-#endif
-
-/* to make pnm2png verbose so we can find problems (needs to be before png.h) */
-#ifndef PNG_DEBUG
-#define PNG_DEBUG 0
-#endif
-
-#include "png.h"
-
-/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
-#ifndef png_jmpbuf
-# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
-#endif
-
-/* function prototypes */
-
-int main (int argc, char *argv[]);
-void usage ();
-BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace, BOOL alpha);
-void get_token(FILE *pnm_file, char *token);
-png_uint_32 get_data (FILE *pnm_file, int depth);
-png_uint_32 get_value (FILE *pnm_file, int depth);
-
-/*
- * main
- */
-
-int main(int argc, char *argv[])
-{
- FILE *fp_rd = stdin;
- FILE *fp_al = NULL;
- FILE *fp_wr = stdout;
- BOOL interlace = FALSE;
- BOOL alpha = FALSE;
- int argi;
-
- for (argi = 1; argi < argc; argi++)
- {
- if (argv[argi][0] == '-')
- {
- switch (argv[argi][1])
- {
- case 'i':
- interlace = TRUE;
- break;
- case 'a':
- alpha = TRUE;
- argi++;
- if ((fp_al = fopen (argv[argi], "rb")) == NULL)
- {
- fprintf (stderr, "PNM2PNG\n");
- fprintf (stderr, "Error: alpha-channel file %s does not exist\n",
- argv[argi]);
- exit (1);
- }
- break;
- case 'h':
- case '?':
- usage();
- exit(0);
- break;
- default:
- fprintf (stderr, "PNM2PNG\n");
- fprintf (stderr, "Error: unknown option %s\n", argv[argi]);
- usage();
- exit(1);
- break;
- } /* end switch */
- }
- else if (fp_rd == stdin)
- {
- if ((fp_rd = fopen (argv[argi], "rb")) == NULL)
- {
- fprintf (stderr, "PNM2PNG\n");
- fprintf (stderr, "Error: file %s does not exist\n", argv[argi]);
- exit (1);
- }
- }
- else if (fp_wr == stdout)
- {
- if ((fp_wr = fopen (argv[argi], "wb")) == NULL)
- {
- fprintf (stderr, "PNM2PNG\n");
- fprintf (stderr, "Error: can not create PNG-file %s\n", argv[argi]);
- exit (1);
- }
- }
- else
- {
- fprintf (stderr, "PNM2PNG\n");
- fprintf (stderr, "Error: too many parameters\n");
- usage();
- exit (1);
- }
- } /* end for */
-
-#if defined __TURBOC__ || defined _WIN32
- /* set stdin/stdout to binary, we're reading the PNM always! in binary format */
- if (fp_rd == stdin)
- {
- setmode (STDIN, O_BINARY);
- }
- if (fp_wr == stdout)
- {
- setmode (STDOUT, O_BINARY);
- }
-#endif
-
- /* call the conversion program itself */
- if (pnm2png (fp_rd, fp_wr, fp_al, interlace, alpha) == FALSE)
- {
- fprintf (stderr, "PNM2PNG\n");
- fprintf (stderr, "Error: unsuccessful converting to PNG-image\n");
- exit (1);
- }
-
- /* close input file */
- fclose (fp_rd);
- /* close output file */
- fclose (fp_wr);
- /* close alpha file */
- if (alpha)
- fclose (fp_al);
-
- return 0;
-}
-
-/*
- * usage
- */
-
-void usage()
-{
- fprintf (stderr, "PNM2PNG\n");
- fprintf (stderr, " by Willem van Schaik, 1999\n");
-#ifdef __TURBOC__
- fprintf (stderr, " for Turbo-C and Borland-C compilers\n");
-#else
- fprintf (stderr, " for Linux (and Unix) compilers\n");
-#endif
- fprintf (stderr, "Usage: pnm2png [options] <file>.<pnm> [<file>.png]\n");
- fprintf (stderr, " or: ... | pnm2png [options]\n");
- fprintf (stderr, "Options:\n");
- fprintf (stderr, " -i[nterlace] write png-file with interlacing on\n");
- fprintf (stderr, " -a[lpha] <file>.pgm read PNG alpha channel as pgm-file\n");
- fprintf (stderr, " -h | -? print this help-information\n");
-}
-
-/*
- * pnm2png
- */
-
-BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace, BOOL alpha)
-{
- png_struct *png_ptr = NULL;
- png_info *info_ptr = NULL;
- png_byte *png_pixels = NULL;
- png_byte **row_pointers = NULL;
- png_byte *pix_ptr = NULL;
- png_uint_32 row_bytes;
-
- char type_token[16];
- char width_token[16];
- char height_token[16];
- char maxval_token[16];
- int color_type;
- png_uint_32 width, alpha_width;
- png_uint_32 height, alpha_height;
- png_uint_32 maxval;
- int bit_depth = 0;
- int channels;
- int alpha_depth = 0;
- int alpha_present;
- int row, col;
- BOOL raw, alpha_raw = FALSE;
- png_uint_32 tmp16;
- int i;
-
- /* read header of PNM file */
-
- get_token(pnm_file, type_token);
- if (type_token[0] != 'P')
- {
- return FALSE;
- }
- else if ((type_token[1] == '1') || (type_token[1] == '4'))
- {
- raw = (type_token[1] == '4');
- color_type = PNG_COLOR_TYPE_GRAY;
- bit_depth = 1;
- }
- else if ((type_token[1] == '2') || (type_token[1] == '5'))
- {
- raw = (type_token[1] == '5');
- color_type = PNG_COLOR_TYPE_GRAY;
- get_token(pnm_file, width_token);
- sscanf (width_token, "%lu", &width);
- get_token(pnm_file, height_token);
- sscanf (height_token, "%lu", &height);
- get_token(pnm_file, maxval_token);
- sscanf (maxval_token, "%lu", &maxval);
- if (maxval <= 1)
- bit_depth = 1;
- else if (maxval <= 3)
- bit_depth = 2;
- else if (maxval <= 15)
- bit_depth = 4;
- else if (maxval <= 255)
- bit_depth = 8;
- else /* if (maxval <= 65535) */
- bit_depth = 16;
- }
- else if ((type_token[1] == '3') || (type_token[1] == '6'))
- {
- raw = (type_token[1] == '6');
- color_type = PNG_COLOR_TYPE_RGB;
- get_token(pnm_file, width_token);
- sscanf (width_token, "%lu", &width);
- get_token(pnm_file, height_token);
- sscanf (height_token, "%lu", &height);
- get_token(pnm_file, maxval_token);
- sscanf (maxval_token, "%lu", &maxval);
- if (maxval <= 1)
- bit_depth = 1;
- else if (maxval <= 3)
- bit_depth = 2;
- else if (maxval <= 15)
- bit_depth = 4;
- else if (maxval <= 255)
- bit_depth = 8;
- else /* if (maxval <= 65535) */
- bit_depth = 16;
- }
- else
- {
- return FALSE;
- }
-
- /* read header of PGM file with alpha channel */
-
- if (alpha)
- {
- if (color_type == PNG_COLOR_TYPE_GRAY)
- color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
- if (color_type == PNG_COLOR_TYPE_RGB)
- color_type = PNG_COLOR_TYPE_RGB_ALPHA;
-
- get_token(alpha_file, type_token);
- if (type_token[0] != 'P')
- {
- return FALSE;
- }
- else if ((type_token[1] == '2') || (type_token[1] == '5'))
- {
- alpha_raw = (type_token[1] == '5');
- get_token(alpha_file, width_token);
- sscanf (width_token, "%lu", &alpha_width);
- if (alpha_width != width)
- return FALSE;
- get_token(alpha_file, height_token);
- sscanf (height_token, "%lu", &alpha_height);
- if (alpha_height != height)
- return FALSE;
- get_token(alpha_file, maxval_token);
- sscanf (maxval_token, "%lu", &maxval);
- if (maxval <= 1)
- alpha_depth = 1;
- else if (maxval <= 3)
- alpha_depth = 2;
- else if (maxval <= 15)
- alpha_depth = 4;
- else if (maxval <= 255)
- alpha_depth = 8;
- else /* if (maxval <= 65535) */
- alpha_depth = 16;
- if (alpha_depth != bit_depth)
- return FALSE;
- }
- else
- {
- return FALSE;
- }
- } /* end if alpha */
-
- /* calculate the number of channels and store alpha-presence */
- if (color_type == PNG_COLOR_TYPE_GRAY)
- channels = 1;
- else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- channels = 2;
- else if (color_type == PNG_COLOR_TYPE_RGB)
- channels = 3;
- else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- channels = 4;
- else
- channels = 0; /* should not happen */
-
- alpha_present = (channels - 1) % 2;
-
- /* row_bytes is the width x number of channels x (bit-depth / 8) */
- row_bytes = width * channels * ((bit_depth <= 8) ? 1 : 2);
-
- if ((png_pixels = (png_byte *) malloc (row_bytes * height * sizeof (png_byte))) == NULL)
- return FALSE;
-
- /* read data from PNM file */
- pix_ptr = png_pixels;
-
- for (row = 0; row < height; row++)
- {
- for (col = 0; col < width; col++)
- {
- for (i = 0; i < (channels - alpha_present); i++)
- {
- if (raw)
- *pix_ptr++ = get_data (pnm_file, bit_depth);
- else
- if (bit_depth <= 8)
- *pix_ptr++ = get_value (pnm_file, bit_depth);
- else
- {
- tmp16 = get_value (pnm_file, bit_depth);
- *pix_ptr = (png_byte) ((tmp16 >> 8) & 0xFF);
- pix_ptr++;
- *pix_ptr = (png_byte) (tmp16 & 0xFF);
- pix_ptr++;
- }
- }
-
- if (alpha) /* read alpha-channel from pgm file */
- {
- if (alpha_raw)
- *pix_ptr++ = get_data (alpha_file, alpha_depth);
- else
- if (alpha_depth <= 8)
- *pix_ptr++ = get_value (alpha_file, bit_depth);
- else
- {
- tmp16 = get_value (alpha_file, bit_depth);
- *pix_ptr++ = (png_byte) ((tmp16 >> 8) & 0xFF);
- *pix_ptr++ = (png_byte) (tmp16 & 0xFF);
- }
- } /* if alpha */
-
- } /* end for col */
- } /* end for row */
-
- /* prepare the standard PNG structures */
- png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
- if (!png_ptr)
- {
- return FALSE;
- }
- info_ptr = png_create_info_struct (png_ptr);
- if (!info_ptr)
- {
- png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
- return FALSE;
- }
-
- /* setjmp() must be called in every function that calls a PNG-reading libpng function */
- if (setjmp (png_jmpbuf(png_ptr)))
- {
- png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
- return FALSE;
- }
-
- /* initialize the png structure */
- png_init_io (png_ptr, png_file);
-
- /* we're going to write more or less the same PNG as the input file */
- png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, color_type,
- (!interlace) ? PNG_INTERLACE_NONE : PNG_INTERLACE_ADAM7,
- PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
-
- /* write the file header information */
- png_write_info (png_ptr, info_ptr);
-
- /* if needed we will allocate memory for an new array of row-pointers */
- if (row_pointers == (unsigned char**) NULL)
- {
- if ((row_pointers = (png_byte **) malloc (height * sizeof (png_bytep))) == NULL)
- {
- png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
- return FALSE;
- }
- }
-
- /* set the individual row_pointers to point at the correct offsets */
- for (i = 0; i < (height); i++)
- row_pointers[i] = png_pixels + i * row_bytes;
-
- /* write out the entire image data in one call */
- png_write_image (png_ptr, row_pointers);
-
- /* write the additional chuncks to the PNG file (not really needed) */
- png_write_end (png_ptr, info_ptr);
-
- /* clean up after the write, and free any memory allocated */
- png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
-
- if (row_pointers != (unsigned char**) NULL)
- free (row_pointers);
- if (png_pixels != (unsigned char*) NULL)
- free (png_pixels);
-
- return TRUE;
-} /* end of pnm2png */
-
-/*
- * get_token() - gets the first string after whitespace
- */
-
-void get_token(FILE *pnm_file, char *token)
-{
- int i = 0;
-
- /* remove white-space */
- do
- {
- token[i] = (unsigned char) fgetc (pnm_file);
- }
- while ((token[i] == '\n') || (token[i] == '\r') || (token[i] == ' '));
-
- /* read string */
- do
- {
- i++;
- token[i] = (unsigned char) fgetc (pnm_file);
- }
- while ((token[i] != '\n') && (token[i] != '\r') && (token[i] != ' '));
-
- token[i] = '\0';
-
- return;
-}
-
-/*
- * get_data() - takes first byte and converts into next pixel value,
- * taking as much bits as defined by bit-depth and
- * using the bit-depth to fill up a byte (0Ah -> AAh)
- */
-
-png_uint_32 get_data (FILE *pnm_file, int depth)
-{
- static int bits_left = 0;
- static int old_value = 0;
- static int mask = 0;
- int i;
- png_uint_32 ret_value;
-
- if (mask == 0)
- for (i = 0; i < depth; i++)
- mask = (mask >> 1) | 0x80;
-
- if (bits_left <= 0)
- {
- old_value = fgetc (pnm_file);
- bits_left = 8;
- }
-
- ret_value = old_value & mask;
- for (i = 1; i < (8 / depth); i++)
- ret_value = ret_value || (ret_value >> depth);
-
- old_value = (old_value << depth) & 0xFF;
- bits_left -= depth;
-
- return ret_value;
-}
-
-/*
- * get_value() - takes first (numeric) string and converts into number,
- * using the bit-depth to fill up a byte (0Ah -> AAh)
- */
-
-png_uint_32 get_value (FILE *pnm_file, int depth)
-{
- static png_uint_32 mask = 0;
- png_byte token[16];
- png_uint_32 ret_value;
- int i = 0;
-
- if (mask == 0)
- for (i = 0; i < depth; i++)
- mask = (mask << 1) | 0x01;
-
- get_token (pnm_file, (char *) token);
- sscanf ((const char *) token, "%lu", &ret_value);
-
- ret_value &= mask;
-
- if (depth < 8)
- for (i = 0; i < (8 / depth); i++)
- ret_value = (ret_value << depth) || ret_value;
-
- return ret_value;
-}
-
-/* end of source */
-
+++ /dev/null
-#!/bin/sh
-# -- grayscale
-./pnm2png basn0g01.pgm basn0g01.png
-./pnm2png basn0g02.pgm basn0g02.png
-./pnm2png basn0g04.pgm basn0g04.png
-./pnm2png basn0g08.pgm basn0g08.png
-./pnm2png basn0g16.pgm basn0g16.png
-# -- full-color
-./pnm2png basn2c08.ppm basn2c08.png
-./pnm2png basn2c16.ppm basn2c16.png
-# -- palletted
-./pnm2png basn3p01.ppm basn3p01.png
-./pnm2png basn3p02.ppm basn3p02.png
-./pnm2png basn3p04.ppm basn3p04.png
-./pnm2png basn3p08.ppm basn3p08.png
-# -- gray with alpha-channel
-./pnm2png -alpha basn6a08.pgm basn4a08.pgm basn4a08.png
-./pnm2png -alpha basn6a16.pgm basn4a16.pgm basn4a16.png
-# -- color with alpha-channel
-./pnm2png -alpha basn6a08.pgm basn6a08.ppm basn6a08.png
-./pnm2png -alpha basn6a16.pgm basn6a16.ppm basn6a16.png
-# -- grayscale
-./pnm2png rawn0g01.pgm rawn0g01.png
-./pnm2png rawn0g02.pgm rawn0g02.png
-./pnm2png rawn0g04.pgm rawn0g04.png
-./pnm2png rawn0g08.pgm rawn0g08.png
-./pnm2png rawn0g16.pgm rawn0g16.png
-# -- full-color
-./pnm2png rawn2c08.ppm rawn2c08.png
-./pnm2png rawn2c16.ppm rawn2c16.png
-# -- palletted
-./pnm2png rawn3p01.ppm rawn3p01.png
-./pnm2png rawn3p02.ppm rawn3p02.png
-./pnm2png rawn3p04.ppm rawn3p04.png
-./pnm2png rawn3p08.ppm rawn3p08.png
-# -- gray with alpha-channel
-./pnm2png -alpha rawn6a08.pgm rawn4a08.pgm rawn4a08.png
-./pnm2png -alpha rawn6a16.pgm rawn4a16.pgm rawn4a16.png
-# -- color with alpha-channel
-./pnm2png -alpha rawn6a08.pgm rawn6a08.ppm rawn6a08.png
-./pnm2png -alpha rawn6a16.pgm rawn6a16.ppm rawn6a16.png
-
+++ /dev/null
-
-pngsuite
---------
-(c) Willem van Schaik, 1999
-
-Permission to use, copy, and distribute these images for any purpose and
-without fee is hereby granted.
-
-These 15 images are part of the much larger PngSuite test-set of
-images, available for developers of PNG supporting software. The
-complete set, available at http:/www.schaik.com/pngsuite/, contains
-a variety of images to test interlacing, gamma settings, ancillary
-chunks, etc.
-
-The images in this directory represent the basic PNG color-types:
-grayscale (1-16 bit deep), full color (8 or 16 bit), paletted
-(1-8 bit) and grayscale or color images with alpha channel. You
-can use them to test the proper functioning of PNG software.
-
- filename depth type
- ------------ ------ --------------
- basn0g01.png 1-bit grayscale
- basn0g02.png 2-bit grayscale
- basn0g04.png 4-bit grayscale
- basn0g08.png 8-bit grayscale
- basn0g16.png 16-bit grayscale
- basn2c08.png 8-bit truecolor
- basn2c16.png 16-bit truecolor
- basn3p01.png 1-bit paletted
- basn3p02.png 2-bit paletted
- basn3p04.png 4-bit paletted
- basn3p08.png 8-bit paletted
- basn4a08.png 8-bit gray with alpha
- basn4a16.png 16-bit gray with alpha
- basn6a08.png 8-bit RGBA
- basn6a16.png 16-bit RGBA
-
-Here is the correct result of typing "pngtest -m *.png" in
-this directory:
-
-Testing basn0g01.png: PASS (524 zero samples)
- Filter 0 was used 32 times
-Testing basn0g02.png: PASS (448 zero samples)
- Filter 0 was used 32 times
-Testing basn0g04.png: PASS (520 zero samples)
- Filter 0 was used 32 times
-Testing basn0g08.png: PASS (3 zero samples)
- Filter 1 was used 9 times
- Filter 4 was used 23 times
-Testing basn0g16.png: PASS (1 zero samples)
- Filter 1 was used 1 times
- Filter 2 was used 31 times
-Testing basn2c08.png: PASS (6 zero samples)
- Filter 1 was used 5 times
- Filter 4 was used 27 times
-Testing basn2c16.png: PASS (592 zero samples)
- Filter 1 was used 1 times
- Filter 4 was used 31 times
-Testing basn3p01.png: PASS (512 zero samples)
- Filter 0 was used 32 times
-Testing basn3p02.png: PASS (448 zero samples)
- Filter 0 was used 32 times
-Testing basn3p04.png: PASS (544 zero samples)
- Filter 0 was used 32 times
-Testing basn3p08.png: PASS (4 zero samples)
- Filter 0 was used 32 times
-Testing basn4a08.png: PASS (32 zero samples)
- Filter 1 was used 1 times
- Filter 4 was used 31 times
-Testing basn4a16.png: PASS (64 zero samples)
- Filter 0 was used 1 times
- Filter 1 was used 2 times
- Filter 2 was used 1 times
- Filter 4 was used 28 times
-Testing basn6a08.png: PASS (160 zero samples)
- Filter 1 was used 1 times
- Filter 4 was used 31 times
-Testing basn6a16.png: PASS (1072 zero samples)
- Filter 1 was used 4 times
- Filter 4 was used 28 times
-libpng passes test
-
-Willem van Schaik
-<willem@schaik.com>
-October 1999
+++ /dev/null
-//-------------------------------------
-// PNGFILE.C -- Image File Functions
-//-------------------------------------
-
-// Copyright 2000, Willem van Schaik. For conditions of distribution and
-// use, see the copyright/license/disclaimer notice in png.h
-
-#include <windows.h>
-#include <commdlg.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "png.h"
-#include "pngfile.h"
-#include "cexcept.h"
-
-define_exception_type(const char *);
-extern struct exception_context the_exception_context[1];
-struct exception_context the_exception_context[1];
-png_const_charp msg;
-
-static OPENFILENAME ofn;
-
-static png_structp png_ptr = NULL;
-static png_infop info_ptr = NULL;
-
-
-// cexcept interface
-
-static void
-png_cexcept_error(png_structp png_ptr, png_const_charp msg)
-{
- if(png_ptr)
- ;
-#ifndef PNG_NO_CONSOLE_IO
- fprintf(stderr, "libpng error: %s\n", msg);
-#endif
- {
- Throw msg;
- }
-}
-
-// Windows open-file functions
-
-void PngFileInitialize (HWND hwnd)
-{
- static TCHAR szFilter[] = TEXT ("PNG Files (*.PNG)\0*.png\0")
- TEXT ("All Files (*.*)\0*.*\0\0");
-
- ofn.lStructSize = sizeof (OPENFILENAME);
- ofn.hwndOwner = hwnd;
- ofn.hInstance = NULL;
- ofn.lpstrFilter = szFilter;
- ofn.lpstrCustomFilter = NULL;
- ofn.nMaxCustFilter = 0;
- ofn.nFilterIndex = 0;
- ofn.lpstrFile = NULL; // Set in Open and Close functions
- ofn.nMaxFile = MAX_PATH;
- ofn.lpstrFileTitle = NULL; // Set in Open and Close functions
- ofn.nMaxFileTitle = MAX_PATH;
- ofn.lpstrInitialDir = NULL;
- ofn.lpstrTitle = NULL;
- ofn.Flags = 0; // Set in Open and Close functions
- ofn.nFileOffset = 0;
- ofn.nFileExtension = 0;
- ofn.lpstrDefExt = TEXT ("png");
- ofn.lCustData = 0;
- ofn.lpfnHook = NULL;
- ofn.lpTemplateName = NULL;
-}
-
-BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName)
-{
- ofn.hwndOwner = hwnd;
- ofn.lpstrFile = pstrFileName;
- ofn.lpstrFileTitle = pstrTitleName;
- ofn.Flags = OFN_HIDEREADONLY;
-
- return GetOpenFileName (&ofn);
-}
-
-BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName)
-{
- ofn.hwndOwner = hwnd;
- ofn.lpstrFile = pstrFileName;
- ofn.lpstrFileTitle = pstrTitleName;
- ofn.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
-
- return GetSaveFileName (&ofn);
-}
-
-// PNG image handler functions
-
-BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
- int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor)
-{
- static FILE *pfFile;
- png_byte pbSig[8];
- int iBitDepth;
- int iColorType;
- double dGamma;
- png_color_16 *pBackground;
- png_uint_32 ulChannels;
- png_uint_32 ulRowBytes;
- png_byte *pbImageData = *ppbImageData;
- static png_byte **ppbRowPointers = NULL;
- int i;
-
- // open the PNG input file
-
- if (!pstrFileName)
- {
- *ppbImageData = pbImageData = NULL;
- return FALSE;
- }
-
- if (!(pfFile = fopen(pstrFileName, "rb")))
- {
- *ppbImageData = pbImageData = NULL;
- return FALSE;
- }
-
- // first check the eight byte PNG signature
-
- fread(pbSig, 1, 8, pfFile);
- if (!png_check_sig(pbSig, 8))
- {
- *ppbImageData = pbImageData = NULL;
- return FALSE;
- }
-
- // create the two png(-info) structures
-
- png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL,
- (png_error_ptr)png_cexcept_error, (png_error_ptr)NULL);
- if (!png_ptr)
- {
- *ppbImageData = pbImageData = NULL;
- return FALSE;
- }
-
- info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr)
- {
- png_destroy_read_struct(&png_ptr, NULL, NULL);
- *ppbImageData = pbImageData = NULL;
- return FALSE;
- }
-
- Try
- {
-
- // initialize the png structure
-
-#if !defined(PNG_NO_STDIO)
- png_init_io(png_ptr, pfFile);
-#else
- png_set_read_fn(png_ptr, (png_voidp)pfFile, png_read_data);
-#endif
-
- png_set_sig_bytes(png_ptr, 8);
-
- // read all PNG info up to image data
-
- png_read_info(png_ptr, info_ptr);
-
- // get width, height, bit-depth and color-type
-
- png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth,
- &iColorType, NULL, NULL, NULL);
-
- // expand images of all color-type and bit-depth to 3x8 bit RGB images
- // let the library process things like alpha, transparency, background
-
- if (iBitDepth == 16)
- png_set_strip_16(png_ptr);
- if (iColorType == PNG_COLOR_TYPE_PALETTE)
- png_set_expand(png_ptr);
- if (iBitDepth < 8)
- png_set_expand(png_ptr);
- if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
- png_set_expand(png_ptr);
- if (iColorType == PNG_COLOR_TYPE_GRAY ||
- iColorType == PNG_COLOR_TYPE_GRAY_ALPHA)
- png_set_gray_to_rgb(png_ptr);
-
- // set the background color to draw transparent and alpha images over.
- if (png_get_bKGD(png_ptr, info_ptr, &pBackground))
- {
- png_set_background(png_ptr, pBackground, PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
- pBkgColor->red = (byte) pBackground->red;
- pBkgColor->green = (byte) pBackground->green;
- pBkgColor->blue = (byte) pBackground->blue;
- }
- else
- {
- pBkgColor = NULL;
- }
-
- // if required set gamma conversion
- if (png_get_gAMA(png_ptr, info_ptr, &dGamma))
- png_set_gamma(png_ptr, (double) 2.2, dGamma);
-
- // after the transformations have been registered update info_ptr data
-
- png_read_update_info(png_ptr, info_ptr);
-
- // get again width, height and the new bit-depth and color-type
-
- png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth,
- &iColorType, NULL, NULL, NULL);
-
-
- // row_bytes is the width x number of channels
-
- ulRowBytes = png_get_rowbytes(png_ptr, info_ptr);
- ulChannels = png_get_channels(png_ptr, info_ptr);
-
- *piChannels = ulChannels;
-
- // now we can allocate memory to store the image
-
- if (pbImageData)
- {
- free (pbImageData);
- pbImageData = NULL;
- }
- if ((pbImageData = (png_byte *) malloc(ulRowBytes * (*piHeight)
- * sizeof(png_byte))) == NULL)
- {
- png_error(png_ptr, "Visual PNG: out of memory");
- }
- *ppbImageData = pbImageData;
-
- // and allocate memory for an array of row-pointers
-
- if ((ppbRowPointers = (png_bytepp) malloc((*piHeight)
- * sizeof(png_bytep))) == NULL)
- {
- png_error(png_ptr, "Visual PNG: out of memory");
- }
-
- // set the individual row-pointers to point at the correct offsets
-
- for (i = 0; i < (*piHeight); i++)
- ppbRowPointers[i] = pbImageData + i * ulRowBytes;
-
- // now we can go ahead and just read the whole image
-
- png_read_image(png_ptr, ppbRowPointers);
-
- // read the additional chunks in the PNG file (not really needed)
-
- png_read_end(png_ptr, NULL);
-
- // and we're done
-
- free (ppbRowPointers);
- ppbRowPointers = NULL;
-
- // yepp, done
- }
-
- Catch (msg)
- {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
-
- *ppbImageData = pbImageData = NULL;
-
- if(ppbRowPointers)
- free (ppbRowPointers);
-
- fclose(pfFile);
-
- return FALSE;
- }
-
- fclose (pfFile);
-
- return TRUE;
-}
-
-
-BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
- int iWidth, int iHeight, png_color bkgColor)
-{
- const int ciBitDepth = 8;
- const int ciChannels = 3;
-
- static FILE *pfFile;
- png_uint_32 ulRowBytes;
- static png_byte **ppbRowPointers = NULL;
- int i;
-
- // open the PNG output file
-
- if (!pstrFileName)
- return FALSE;
-
- if (!(pfFile = fopen(pstrFileName, "wb")))
- return FALSE;
-
- // prepare the standard PNG structures
-
- png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL,
- (png_error_ptr)png_cexcept_error, (png_error_ptr)NULL);
- if (!png_ptr)
- {
- fclose(pfFile);
- return FALSE;
- }
-
- info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr) {
- fclose(pfFile);
- png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
- return FALSE;
- }
-
- Try
- {
- // initialize the png structure
-
-#if !defined(PNG_NO_STDIO)
- png_init_io(png_ptr, pfFile);
-#else
- png_set_write_fn(png_ptr, (png_voidp)pfFile, png_write_data, png_flush);
-#endif
-
- // we're going to write a very simple 3x8 bit RGB image
-
- png_set_IHDR(png_ptr, info_ptr, iWidth, iHeight, ciBitDepth,
- PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE,
- PNG_FILTER_TYPE_BASE);
-
- // write the file header information
-
- png_write_info(png_ptr, info_ptr);
-
- // swap the BGR pixels in the DiData structure to RGB
-
- png_set_bgr(png_ptr);
-
- // row_bytes is the width x number of channels
-
- ulRowBytes = iWidth * ciChannels;
-
- // we can allocate memory for an array of row-pointers
-
- if ((ppbRowPointers = (png_bytepp) malloc(iHeight * sizeof(png_bytep))) == NULL)
- Throw "Visualpng: Out of memory";
-
- // set the individual row-pointers to point at the correct offsets
-
- for (i = 0; i < iHeight; i++)
- ppbRowPointers[i] = pDiData + i * (((ulRowBytes + 3) >> 2) << 2);
-
- // write out the entire image data in one call
-
- png_write_image (png_ptr, ppbRowPointers);
-
- // write the additional chunks to the PNG file (not really needed)
-
- png_write_end(png_ptr, info_ptr);
-
- // and we're done
-
- free (ppbRowPointers);
- ppbRowPointers = NULL;
-
- // clean up after the write, and free any memory allocated
-
- png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
-
- // yepp, done
- }
-
- Catch (msg)
- {
- png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
-
- if(ppbRowPointers)
- free (ppbRowPointers);
-
- fclose(pfFile);
-
- return FALSE;
- }
-
- fclose (pfFile);
-
- return TRUE;
-}
-
-#ifdef PNG_NO_STDIO
-
-static void
-png_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_size_t check;
-
- /* fread() returns 0 on error, so it is OK to store this in a png_size_t
- * instead of an int, which is what fread() actually returns.
- */
- check = (png_size_t)fread(data, (png_size_t)1, length,
- (FILE *)png_ptr->io_ptr);
-
- if (check != length)
- {
- png_error(png_ptr, "Read Error");
- }
-}
-
-static void
-png_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_uint_32 check;
-
- check = fwrite(data, 1, length, (FILE *)(png_ptr->io_ptr));
- if (check != length)
- {
- png_error(png_ptr, "Write Error");
- }
-}
-
-static void
-png_flush(png_structp png_ptr)
-{
- FILE *io_ptr;
- io_ptr = (FILE *)CVT_PTR((png_ptr->io_ptr));
- if (io_ptr != NULL)
- fflush(io_ptr);
-}
-
-#endif
-
-//-----------------
-// end of source
-//-----------------
+++ /dev/null
-//------------------------------------------
-// PNGFILE.H -- Header File for pngfile.c
-//------------------------------------------
-
-// Copyright 2000, Willem van Schaik. For conditions of distribution and
-// use, see the copyright/license/disclaimer notice in png.h
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <windows.h>
-
-void PngFileInitialize (HWND hwnd) ;
-BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
-BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
-
-BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
- int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor);
-BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
- int iWidth, int iHeight, png_color BkgColor);
-
-#if defined(PNG_NO_STDIO)
-static void png_read_data(png_structp png_ptr, png_bytep data, png_size_t length);
-static void png_write_data(png_structp png_ptr, png_bytep data, png_size_t length);
-static void png_flush(png_structp png_ptr);
-#endif
-
+++ /dev/null
-Microsoft Developer Studio Build File, Format Version 6.00 for VisualPng
-------------------------------------------------------------------------
-
-Copyright 2000, Willem van Schaik. For conditions of distribution and
-use, see the copyright/license/disclaimer notice in png.h
-
-As a PNG .dll demo VisualPng is finished. More features would only hinder
-the program's objective. However, further extensions (like support for other
-graphics formats) are in development. To get these, or for pre-compiled
-binaries, go to "http://www.schaik.com/png/visualpng.html".
-
-------------------------------------------------------------------------
-
-Assumes that
-
- libpng DLLs and LIBs are in ..\..\projects\msvc\win32\libpng
- zlib DLLs and LIBs are in ..\..\projects\msvc\win32\zlib
- libpng header files are in ..\..\..\libpng
- zlib header files are in ..\..\..\zlib
- the pngsuite images are in ..\pngsuite
-
-To build:
-
-1) On the main menu Select "Build|Set Active configuration".
- Choose the configuration that corresponds to the library you want to test.
- This library must have been built using the libpng MS project located in
- the "..\..\mscv" subdirectory.
-
-2) Select "Build|Clean"
-
-3) Select "Build|Rebuild All"
-
-4) After compiling and linking VisualPng will be started to view an image
- from the PngSuite directory. Press Ctrl-N (and Ctrl-V) for other images.
-
-
-To install:
-
-When distributing VisualPng (or a further development) the following options
-are available:
-
-1) Build the program with the configuration "Win32 LIB" and you only need to
- include the executable from the ./lib directory in your distribution.
-
-2) Build the program with the configuration "Win32 DLL" and you need to put
- in your distribution the executable from the ./dll directory and the dll's
- libpng1.dll, zlib.dll and msvcrt.dll. These need to be in the user's PATH.
-
-
-Willem van Schaik
-Calgary, June 6th 2000
-
-P.S. VisualPng was written based on preliminary work of:
-
- - Simon-Pierre Cadieux
- - Glenn Randers-Pehrson
- - Greg Roelofs
-
+++ /dev/null
-//------------------------------------
-// VisualPng.C -- Shows a PNG image
-//------------------------------------
-
-// Copyright 2000, Willem van Schaik. For conditions of distribution and
-// use, see the copyright/license/disclaimer notice in png.h
-
-// switches
-
-// defines
-
-#define PROGNAME "VisualPng"
-#define LONGNAME "Win32 Viewer for PNG-files"
-#define VERSION "1.0 of 2000 June 07"
-
-// constants
-
-#define MARGIN 8
-
-// standard includes
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <windows.h>
-
-// application includes
-
-#include "png.h"
-#include "pngfile.h"
-#include "resource.h"
-
-// macros
-
-// function prototypes
-
-LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
-BOOL CALLBACK AboutDlgProc (HWND, UINT, WPARAM, LPARAM) ;
-
-BOOL CenterAbout (HWND hwndChild, HWND hwndParent);
-
-BOOL BuildPngList (PTSTR pstrPathName, TCHAR **ppFileList, int *pFileCount,
- int *pFileIndex);
-
-BOOL SearchPngList (TCHAR *pFileList, int FileCount, int *pFileIndex,
- PTSTR pstrPrevName, PTSTR pstrNextName);
-
-BOOL LoadImageFile(HWND hwnd, PTSTR pstrPathName,
- png_byte **ppbImage, int *pxImgSize, int *pyImgSize, int *piChannels,
- png_color *pBkgColor);
-
-BOOL DisplayImage (HWND hwnd, BYTE **ppDib,
- BYTE **ppDiData, int cxWinSize, int cyWinSize,
- BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels,
- BOOL bStretched);
-
-BOOL InitBitmap (
- BYTE *pDiData, int cxWinSize, int cyWinSize);
-
-BOOL FillBitmap (
- BYTE *pDiData, int cxWinSize, int cyWinSize,
- BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels,
- BOOL bStretched);
-
-// a few global variables
-
-static char *szProgName = PROGNAME;
-static char *szAppName = LONGNAME;
-static char *szIconName = PROGNAME;
-static char szCmdFileName [MAX_PATH];
-
-// MAIN routine
-
-int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
-{
- HACCEL hAccel;
- HWND hwnd;
- MSG msg;
- WNDCLASS wndclass;
- int ixBorders, iyBorders;
-
- wndclass.style = CS_HREDRAW | CS_VREDRAW;
- wndclass.lpfnWndProc = WndProc;
- wndclass.cbClsExtra = 0;
- wndclass.cbWndExtra = 0;
- wndclass.hInstance = hInstance;
- wndclass.hIcon = LoadIcon (hInstance, szIconName) ;
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
- wndclass.hbrBackground = NULL; // (HBRUSH) GetStockObject (GRAY_BRUSH);
- wndclass.lpszMenuName = szProgName;
- wndclass.lpszClassName = szProgName;
-
- if (!RegisterClass (&wndclass))
- {
- MessageBox (NULL, TEXT ("Error: this program requires Windows NT!"),
- szProgName, MB_ICONERROR);
- return 0;
- }
-
- // if filename given on commandline, store it
- if ((szCmdLine != NULL) && (*szCmdLine != '\0'))
- if (szCmdLine[0] == '"')
- strncpy (szCmdFileName, szCmdLine + 1, strlen(szCmdLine) - 2);
- else
- strcpy (szCmdFileName, szCmdLine);
- else
- strcpy (szCmdFileName, "");
-
- // calculate size of window-borders
- ixBorders = 2 * (GetSystemMetrics (SM_CXBORDER) +
- GetSystemMetrics (SM_CXDLGFRAME));
- iyBorders = 2 * (GetSystemMetrics (SM_CYBORDER) +
- GetSystemMetrics (SM_CYDLGFRAME)) +
- GetSystemMetrics (SM_CYCAPTION) +
- GetSystemMetrics (SM_CYMENUSIZE) +
- 1; /* WvS: don't ask me why? */
-
- hwnd = CreateWindow (szProgName, szAppName,
- WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT, CW_USEDEFAULT,
- 512 + 2 * MARGIN + ixBorders, 384 + 2 * MARGIN + iyBorders,
-// CW_USEDEFAULT, CW_USEDEFAULT,
- NULL, NULL, hInstance, NULL);
-
- ShowWindow (hwnd, iCmdShow);
- UpdateWindow (hwnd);
-
- hAccel = LoadAccelerators (hInstance, szProgName);
-
- while (GetMessage (&msg, NULL, 0, 0))
- {
- if (!TranslateAccelerator (hwnd, hAccel, &msg))
- {
- TranslateMessage (&msg);
- DispatchMessage (&msg);
- }
- }
- return msg.wParam;
-}
-
-LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,
- LPARAM lParam)
-{
- static HINSTANCE hInstance ;
- static HDC hdc;
- static PAINTSTRUCT ps;
- static HMENU hMenu;
-
- static BITMAPFILEHEADER *pbmfh;
- static BITMAPINFOHEADER *pbmih;
- static BYTE *pbImage;
- static int cxWinSize, cyWinSize;
- static int cxImgSize, cyImgSize;
- static int cImgChannels;
- static png_color bkgColor = {127, 127, 127};
-
- static BOOL bStretched = TRUE;
-
- static BYTE *pDib = NULL;
- static BYTE *pDiData = NULL;
-
- static TCHAR szImgPathName [MAX_PATH];
- static TCHAR szTitleName [MAX_PATH];
-
- static TCHAR *pPngFileList = NULL;
- static int iPngFileCount;
- static int iPngFileIndex;
-
- BOOL bOk;
-
- switch (message)
- {
- case WM_CREATE:
- hInstance = ((LPCREATESTRUCT) lParam)->hInstance ;
- PngFileInitialize (hwnd);
-
- strcpy (szImgPathName, "");
-
- // in case we process file given on command-line
-
- if (szCmdFileName[0] != '\0')
- {
- strcpy (szImgPathName, szCmdFileName);
-
- // read the other png-files in the directory for later
- // next/previous commands
-
- BuildPngList (szImgPathName, &pPngFileList, &iPngFileCount,
- &iPngFileIndex);
-
- // load the image from file
-
- if (!LoadImageFile (hwnd, szImgPathName,
- &pbImage, &cxImgSize, &cyImgSize, &cImgChannels, &bkgColor))
- return 0;
-
- // invalidate the client area for later update
-
- InvalidateRect (hwnd, NULL, TRUE);
-
- // display the PNG into the DIBitmap
-
- DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
- pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
- }
-
- return 0;
-
- case WM_SIZE:
- cxWinSize = LOWORD (lParam);
- cyWinSize = HIWORD (lParam);
-
- // invalidate the client area for later update
-
- InvalidateRect (hwnd, NULL, TRUE);
-
- // display the PNG into the DIBitmap
-
- DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
- pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
-
- return 0;
-
- case WM_INITMENUPOPUP:
- hMenu = GetMenu (hwnd);
-
- if (pbImage)
- EnableMenuItem (hMenu, IDM_FILE_SAVE, MF_ENABLED);
- else
- EnableMenuItem (hMenu, IDM_FILE_SAVE, MF_GRAYED);
-
- return 0;
-
- case WM_COMMAND:
- hMenu = GetMenu (hwnd);
-
- switch (LOWORD (wParam))
- {
- case IDM_FILE_OPEN:
-
- // show the File Open dialog box
-
- if (!PngFileOpenDlg (hwnd, szImgPathName, szTitleName))
- return 0;
-
- // read the other png-files in the directory for later
- // next/previous commands
-
- BuildPngList (szImgPathName, &pPngFileList, &iPngFileCount,
- &iPngFileIndex);
-
- // load the image from file
-
- if (!LoadImageFile (hwnd, szImgPathName,
- &pbImage, &cxImgSize, &cyImgSize, &cImgChannels, &bkgColor))
- return 0;
-
- // invalidate the client area for later update
-
- InvalidateRect (hwnd, NULL, TRUE);
-
- // display the PNG into the DIBitmap
-
- DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
- pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
-
- return 0;
-
- case IDM_FILE_SAVE:
-
- // show the File Save dialog box
-
- if (!PngFileSaveDlg (hwnd, szImgPathName, szTitleName))
- return 0;
-
- // save the PNG to a disk file
-
- SetCursor (LoadCursor (NULL, IDC_WAIT));
- ShowCursor (TRUE);
-
- bOk = PngSaveImage (szImgPathName, pDiData, cxWinSize, cyWinSize,
- bkgColor);
-
- ShowCursor (FALSE);
- SetCursor (LoadCursor (NULL, IDC_ARROW));
-
- if (!bOk)
- MessageBox (hwnd, TEXT ("Error in saving the PNG image"),
- szProgName, MB_ICONEXCLAMATION | MB_OK);
- return 0;
-
- case IDM_FILE_NEXT:
-
- // read next entry in the directory
-
- if (SearchPngList (pPngFileList, iPngFileCount, &iPngFileIndex,
- NULL, szImgPathName))
- {
- if (strcmp (szImgPathName, "") == 0)
- return 0;
-
- // load the image from file
-
- if (!LoadImageFile (hwnd, szImgPathName, &pbImage,
- &cxImgSize, &cyImgSize, &cImgChannels, &bkgColor))
- return 0;
-
- // invalidate the client area for later update
-
- InvalidateRect (hwnd, NULL, TRUE);
-
- // display the PNG into the DIBitmap
-
- DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
- pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
- }
-
- return 0;
-
- case IDM_FILE_PREVIOUS:
-
- // read previous entry in the directory
-
- if (SearchPngList (pPngFileList, iPngFileCount, &iPngFileIndex,
- szImgPathName, NULL))
- {
-
- if (strcmp (szImgPathName, "") == 0)
- return 0;
-
- // load the image from file
-
- if (!LoadImageFile (hwnd, szImgPathName, &pbImage, &cxImgSize,
- &cyImgSize, &cImgChannels, &bkgColor))
- return 0;
-
- // invalidate the client area for later update
-
- InvalidateRect (hwnd, NULL, TRUE);
-
- // display the PNG into the DIBitmap
-
- DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
- pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
- }
-
- return 0;
-
- case IDM_FILE_EXIT:
-
- // more cleanup needed...
-
- // free image buffer
-
- if (pDib != NULL)
- {
- free (pDib);
- pDib = NULL;
- }
-
- // free file-list
-
- if (pPngFileList != NULL)
- {
- free (pPngFileList);
- pPngFileList = NULL;
- }
-
- // let's go ...
-
- exit (0);
-
- return 0;
-
- case IDM_OPTIONS_STRETCH:
- bStretched = !bStretched;
- if (bStretched)
- CheckMenuItem (hMenu, IDM_OPTIONS_STRETCH, MF_CHECKED);
- else
- CheckMenuItem (hMenu, IDM_OPTIONS_STRETCH, MF_UNCHECKED);
-
- // invalidate the client area for later update
-
- InvalidateRect (hwnd, NULL, TRUE);
-
- // display the PNG into the DIBitmap
-
- DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
- pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
-
- return 0;
-
- case IDM_HELP_ABOUT:
- DialogBox (hInstance, TEXT ("AboutBox"), hwnd, AboutDlgProc) ;
- return 0;
-
- } // end switch
-
- break;
-
- case WM_PAINT:
- hdc = BeginPaint (hwnd, &ps);
-
- if (pDib)
- SetDIBitsToDevice (hdc, 0, 0, cxWinSize, cyWinSize, 0, 0,
- 0, cyWinSize, pDiData, (BITMAPINFO *) pDib, DIB_RGB_COLORS);
-
- EndPaint (hwnd, &ps);
- return 0;
-
- case WM_DESTROY:
- if (pbmfh)
- {
- free (pbmfh);
- pbmfh = NULL;
- }
-
- PostQuitMessage (0);
- return 0;
- }
-
- return DefWindowProc (hwnd, message, wParam, lParam);
-}
-
-BOOL CALLBACK AboutDlgProc (HWND hDlg, UINT message,
- WPARAM wParam, LPARAM lParam)
-{
- switch (message)
- {
- case WM_INITDIALOG :
- ShowWindow (hDlg, SW_HIDE);
- CenterAbout (hDlg, GetWindow (hDlg, GW_OWNER));
- ShowWindow (hDlg, SW_SHOW);
- return TRUE ;
-
- case WM_COMMAND :
- switch (LOWORD (wParam))
- {
- case IDOK :
- case IDCANCEL :
- EndDialog (hDlg, 0) ;
- return TRUE ;
- }
- break ;
- }
- return FALSE ;
-}
-
-//---------------
-// CenterAbout
-//---------------
-
-BOOL CenterAbout (HWND hwndChild, HWND hwndParent)
-{
- RECT rChild, rParent, rWorkArea;
- int wChild, hChild, wParent, hParent;
- int xNew, yNew;
- BOOL bResult;
-
- // Get the Height and Width of the child window
- GetWindowRect (hwndChild, &rChild);
- wChild = rChild.right - rChild.left;
- hChild = rChild.bottom - rChild.top;
-
- // Get the Height and Width of the parent window
- GetWindowRect (hwndParent, &rParent);
- wParent = rParent.right - rParent.left;
- hParent = rParent.bottom - rParent.top;
-
- // Get the limits of the 'workarea'
- bResult = SystemParametersInfo(
- SPI_GETWORKAREA, // system parameter to query or set
- sizeof(RECT),
- &rWorkArea,
- 0);
- if (!bResult) {
- rWorkArea.left = rWorkArea.top = 0;
- rWorkArea.right = GetSystemMetrics(SM_CXSCREEN);
- rWorkArea.bottom = GetSystemMetrics(SM_CYSCREEN);
- }
-
- // Calculate new X position, then adjust for workarea
- xNew = rParent.left + ((wParent - wChild) /2);
- if (xNew < rWorkArea.left) {
- xNew = rWorkArea.left;
- } else if ((xNew+wChild) > rWorkArea.right) {
- xNew = rWorkArea.right - wChild;
- }
-
- // Calculate new Y position, then adjust for workarea
- yNew = rParent.top + ((hParent - hChild) /2);
- if (yNew < rWorkArea.top) {
- yNew = rWorkArea.top;
- } else if ((yNew+hChild) > rWorkArea.bottom) {
- yNew = rWorkArea.bottom - hChild;
- }
-
- // Set it, and return
- return SetWindowPos (hwndChild, NULL, xNew, yNew, 0, 0, SWP_NOSIZE |
- SWP_NOZORDER);
-}
-
-//----------------
-// BuildPngList
-//----------------
-
-BOOL BuildPngList (PTSTR pstrPathName, TCHAR **ppFileList, int *pFileCount,
- int *pFileIndex)
-{
- static TCHAR szImgPathName [MAX_PATH];
- static TCHAR szImgFileName [MAX_PATH];
- static TCHAR szImgFindName [MAX_PATH];
-
- WIN32_FIND_DATA finddata;
- HANDLE hFind;
-
- static TCHAR szTmp [MAX_PATH];
- BOOL bOk;
- int i, ii;
- int j, jj;
-
- // free previous file-list
-
- if (*ppFileList != NULL)
- {
- free (*ppFileList);
- *ppFileList = NULL;
- }
-
- // extract foldername, filename and search-name
-
- strcpy (szImgPathName, pstrPathName);
- strcpy (szImgFileName, strrchr (pstrPathName, '\\') + 1);
-
- strcpy (szImgFindName, szImgPathName);
- *(strrchr (szImgFindName, '\\') + 1) = '\0';
- strcat (szImgFindName, "*.png");
-
- // first cycle: count number of files in directory for memory allocation
-
- *pFileCount = 0;
-
- hFind = FindFirstFile(szImgFindName, &finddata);
- bOk = (hFind != (HANDLE) -1);
-
- while (bOk)
- {
- *pFileCount += 1;
- bOk = FindNextFile(hFind, &finddata);
- }
- FindClose(hFind);
-
- // allocation memory for file-list
-
- *ppFileList = (TCHAR *) malloc (*pFileCount * MAX_PATH);
-
- // second cycle: read directory and store filenames in file-list
-
- hFind = FindFirstFile(szImgFindName, &finddata);
- bOk = (hFind != (HANDLE) -1);
-
- i = 0;
- ii = 0;
- while (bOk)
- {
- strcpy (*ppFileList + ii, szImgPathName);
- strcpy (strrchr(*ppFileList + ii, '\\') + 1, finddata.cFileName);
-
- if (strcmp(pstrPathName, *ppFileList + ii) == 0)
- *pFileIndex = i;
-
- ii += MAX_PATH;
- i++;
-
- bOk = FindNextFile(hFind, &finddata);
- }
- FindClose(hFind);
-
- // finally we must sort the file-list
-
- for (i = 0; i < *pFileCount - 1; i++)
- {
- ii = i * MAX_PATH;
- for (j = i+1; j < *pFileCount; j++)
- {
- jj = j * MAX_PATH;
- if (strcmp (*ppFileList + ii, *ppFileList + jj) > 0)
- {
- strcpy (szTmp, *ppFileList + jj);
- strcpy (*ppFileList + jj, *ppFileList + ii);
- strcpy (*ppFileList + ii, szTmp);
-
- // check if this was the current image that we moved
-
- if (*pFileIndex == i)
- *pFileIndex = j;
- else
- if (*pFileIndex == j)
- *pFileIndex = i;
- }
- }
- }
-
- return TRUE;
-}
-
-//----------------
-// SearchPngList
-//----------------
-
-BOOL SearchPngList (
- TCHAR *pFileList, int FileCount, int *pFileIndex,
- PTSTR pstrPrevName, PTSTR pstrNextName)
-{
- if (FileCount > 0)
- {
- // get previous entry
-
- if (pstrPrevName != NULL)
- {
- if (*pFileIndex > 0)
- *pFileIndex -= 1;
- else
- *pFileIndex = FileCount - 1;
-
- strcpy (pstrPrevName, pFileList + (*pFileIndex * MAX_PATH));
- }
-
- // get next entry
-
- if (pstrNextName != NULL)
- {
- if (*pFileIndex < FileCount - 1)
- *pFileIndex += 1;
- else
- *pFileIndex = 0;
-
- strcpy (pstrNextName, pFileList + (*pFileIndex * MAX_PATH));
- }
-
- return TRUE;
- }
- else
- {
- return FALSE;
- }
-}
-
-//-----------------
-// LoadImageFile
-//-----------------
-
-BOOL LoadImageFile (HWND hwnd, PTSTR pstrPathName,
- png_byte **ppbImage, int *pxImgSize, int *pyImgSize,
- int *piChannels, png_color *pBkgColor)
-{
- static TCHAR szTmp [MAX_PATH];
-
- // if there's an existing PNG, free the memory
-
- if (*ppbImage)
- {
- free (*ppbImage);
- *ppbImage = NULL;
- }
-
- // Load the entire PNG into memory
-
- SetCursor (LoadCursor (NULL, IDC_WAIT));
- ShowCursor (TRUE);
-
- PngLoadImage (pstrPathName, ppbImage, pxImgSize, pyImgSize, piChannels,
- pBkgColor);
-
- ShowCursor (FALSE);
- SetCursor (LoadCursor (NULL, IDC_ARROW));
-
- if (*ppbImage != NULL)
- {
- sprintf (szTmp, "VisualPng - %s", strrchr(pstrPathName, '\\') + 1);
- SetWindowText (hwnd, szTmp);
- }
- else
- {
- MessageBox (hwnd, TEXT ("Error in loading the PNG image"),
- szProgName, MB_ICONEXCLAMATION | MB_OK);
- return FALSE;
- }
-
- return TRUE;
-}
-
-//----------------
-// DisplayImage
-//----------------
-
-BOOL DisplayImage (HWND hwnd, BYTE **ppDib,
- BYTE **ppDiData, int cxWinSize, int cyWinSize,
- BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels,
- BOOL bStretched)
-{
- BYTE *pDib = *ppDib;
- BYTE *pDiData = *ppDiData;
- // BITMAPFILEHEADER *pbmfh;
- BITMAPINFOHEADER *pbmih;
- WORD wDIRowBytes;
- png_color bkgBlack = {0, 0, 0};
- png_color bkgGray = {127, 127, 127};
- png_color bkgWhite = {255, 255, 255};
-
- // allocate memory for the Device Independant bitmap
-
- wDIRowBytes = (WORD) ((3 * cxWinSize + 3L) >> 2) << 2;
-
- if (pDib)
- {
- free (pDib);
- pDib = NULL;
- }
-
- if (!(pDib = (BYTE *) malloc (sizeof(BITMAPINFOHEADER) +
- wDIRowBytes * cyWinSize)))
- {
- MessageBox (hwnd, TEXT ("Error in displaying the PNG image"),
- szProgName, MB_ICONEXCLAMATION | MB_OK);
- *ppDib = pDib = NULL;
- return FALSE;
- }
- *ppDib = pDib;
- memset (pDib, 0, sizeof(BITMAPINFOHEADER));
-
- // initialize the dib-structure
-
- pbmih = (BITMAPINFOHEADER *) pDib;
- pbmih->biSize = sizeof(BITMAPINFOHEADER);
- pbmih->biWidth = cxWinSize;
- pbmih->biHeight = -((long) cyWinSize);
- pbmih->biPlanes = 1;
- pbmih->biBitCount = 24;
- pbmih->biCompression = 0;
- pDiData = pDib + sizeof(BITMAPINFOHEADER);
- *ppDiData = pDiData;
-
- // first fill bitmap with gray and image border
-
- InitBitmap (pDiData, cxWinSize, cyWinSize);
-
- // then fill bitmap with image
-
- if (pbImage)
- {
- FillBitmap (
- pDiData, cxWinSize, cyWinSize,
- pbImage, cxImgSize, cyImgSize, cImgChannels,
- bStretched);
- }
-
- return TRUE;
-}
-
-//--------------
-// InitBitmap
-//--------------
-
-BOOL InitBitmap (BYTE *pDiData, int cxWinSize, int cyWinSize)
-{
- BYTE *dst;
- int x, y, col;
-
- // initialize the background with gray
-
- dst = pDiData;
- for (y = 0; y < cyWinSize; y++)
- {
- col = 0;
- for (x = 0; x < cxWinSize; x++)
- {
- // fill with GRAY
- *dst++ = 127;
- *dst++ = 127;
- *dst++ = 127;
- col += 3;
- }
- // rows start on 4 byte boundaries
- while ((col % 4) != 0)
- {
- dst++;
- col++;
- }
- }
-
- return TRUE;
-}
-
-//--------------
-// FillBitmap
-//--------------
-
-BOOL FillBitmap (
- BYTE *pDiData, int cxWinSize, int cyWinSize,
- BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels,
- BOOL bStretched)
-{
- BYTE *pStretchedImage;
- BYTE *pImg;
- BYTE *src, *dst;
- BYTE r, g, b, a;
- const int cDIChannels = 3;
- WORD wImgRowBytes;
- WORD wDIRowBytes;
- int cxNewSize, cyNewSize;
- int cxImgPos, cyImgPos;
- int xImg, yImg;
- int xWin, yWin;
- int xOld, yOld;
- int xNew, yNew;
-
- if (bStretched)
- {
- cxNewSize = cxWinSize - 2 * MARGIN;
- cyNewSize = cyWinSize - 2 * MARGIN;
-
- // stretch the image to it's window determined size
-
- // the following two are the same, but the first has side-effects
- // because of rounding
-// if ((cyNewSize / cxNewSize) > (cyImgSize / cxImgSize))
- if ((cyNewSize * cxImgSize) > (cyImgSize * cxNewSize))
- {
- cyNewSize = cxNewSize * cyImgSize / cxImgSize;
- cxImgPos = MARGIN;
- cyImgPos = (cyWinSize - cyNewSize) / 2;
- }
- else
- {
- cxNewSize = cyNewSize * cxImgSize / cyImgSize;
- cyImgPos = MARGIN;
- cxImgPos = (cxWinSize - cxNewSize) / 2;
- }
-
- pStretchedImage = malloc (cImgChannels * cxNewSize * cyNewSize);
- pImg = pStretchedImage;
-
- for (yNew = 0; yNew < cyNewSize; yNew++)
- {
- yOld = yNew * cyImgSize / cyNewSize;
- for (xNew = 0; xNew < cxNewSize; xNew++)
- {
- xOld = xNew * cxImgSize / cxNewSize;
-
- r = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 0);
- g = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 1);
- b = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 2);
- *pImg++ = r;
- *pImg++ = g;
- *pImg++ = b;
- if (cImgChannels == 4)
- {
- a = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld)
- + 3);
- *pImg++ = a;
- }
- }
- }
-
- // calculate row-bytes
-
- wImgRowBytes = cImgChannels * cxNewSize;
- wDIRowBytes = (WORD) ((cDIChannels * cxWinSize + 3L) >> 2) << 2;
-
- // copy image to screen
-
- for (yImg = 0, yWin = cyImgPos; yImg < cyNewSize; yImg++, yWin++)
- {
- if (yWin >= cyWinSize - cyImgPos)
- break;
- src = pStretchedImage + yImg * wImgRowBytes;
- dst = pDiData + yWin * wDIRowBytes + cxImgPos * cDIChannels;
-
- for (xImg = 0, xWin = cxImgPos; xImg < cxNewSize; xImg++, xWin++)
- {
- if (xWin >= cxWinSize - cxImgPos)
- break;
- r = *src++;
- g = *src++;
- b = *src++;
- *dst++ = b; /* note the reverse order */
- *dst++ = g;
- *dst++ = r;
- if (cImgChannels == 4)
- {
- a = *src++;
- }
- }
- }
-
- // free memory
-
- if (pStretchedImage != NULL)
- {
- free (pStretchedImage);
- pStretchedImage = NULL;
- }
-
- }
-
- // process the image not-stretched
-
- else
- {
- // calculate the central position
-
- cxImgPos = (cxWinSize - cxImgSize) / 2;
- cyImgPos = (cyWinSize - cyImgSize) / 2;
-
- // check for image larger than window
-
- if (cxImgPos < MARGIN)
- cxImgPos = MARGIN;
- if (cyImgPos < MARGIN)
- cyImgPos = MARGIN;
-
- // calculate both row-bytes
-
- wImgRowBytes = cImgChannels * cxImgSize;
- wDIRowBytes = (WORD) ((cDIChannels * cxWinSize + 3L) >> 2) << 2;
-
- // copy image to screen
-
- for (yImg = 0, yWin = cyImgPos; yImg < cyImgSize; yImg++, yWin++)
- {
- if (yWin >= cyWinSize - MARGIN)
- break;
- src = pbImage + yImg * wImgRowBytes;
- dst = pDiData + yWin * wDIRowBytes + cxImgPos * cDIChannels;
-
- for (xImg = 0, xWin = cxImgPos; xImg < cxImgSize; xImg++, xWin++)
- {
- if (xWin >= cxWinSize - MARGIN)
- break;
- r = *src++;
- g = *src++;
- b = *src++;
- *dst++ = b; /* note the reverse order */
- *dst++ = g;
- *dst++ = r;
- if (cImgChannels == 4)
- {
- a = *src++;
- }
- }
- }
- }
-
- return TRUE;
-}
-
-//-----------------
-// end of source
-//-----------------
+++ /dev/null
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-# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
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-SOURCE=.\VisualPng.rc
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-//
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-
-#define APSTUDIO_READONLY_SYMBOLS
-/////////////////////////////////////////////////////////////////////////////
-//
-// Generated from the TEXTINCLUDE 2 resource.
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-#include "afxres.h"
-
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-VISUALPNG MENU DISCARDABLE
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- POPUP "&File"
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- MENUITEM "&Open Image...\tCtrl+O", IDM_FILE_OPEN
- MENUITEM "Save &As...", IDM_FILE_SAVE
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- MENUITEM "&Next Image\tCtrl+N", IDM_FILE_NEXT
- MENUITEM "Pre&vious Image\tCtrl+V", IDM_FILE_PREVIOUS
- MENUITEM SEPARATOR
- MENUITEM "E&xit\tAlt+X", IDM_FILE_EXIT
- END
- POPUP "&Options"
- BEGIN
- MENUITEM "&Stretch", IDM_OPTIONS_STRETCH, CHECKED
- END
- POPUP "&Help"
- BEGIN
- MENUITEM "&About", IDM_HELP_ABOUT
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- "V", IDM_FILE_PREVIOUS, VIRTKEY, CONTROL, NOINVERT
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-
-/////////////////////////////////////////////////////////////////////////////
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- LTEXT "(c) Willem van Schaik, 2000",IDC_STATIC,48,52,90,8
- LTEXT "to demonstrate the use of libpng in Visual C",
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-
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+++ /dev/null
-/*===
-cexcept.h 2.0.1 (2008-Jul-19-Sat)
-http://www.nicemice.net/cexcept/
-Adam M. Costello
-http://www.nicemice.net/amc/
-
-An interface for exception-handling in ANSI C (C89 and subsequent ISO
-standards), developed jointly with Cosmin Truta.
-
- Copyright (c) 2000-2008 Adam M. Costello and Cosmin Truta.
- This software may be modified only if its author and version
- information is updated accurately, and may be redistributed
- only if accompanied by this unaltered notice. Subject to those
- restrictions, permission is granted to anyone to do anything
- with this software. The copyright holders make no guarantees
- regarding this software, and are not responsible for any damage
- resulting from its use.
-
-The cexcept interface is not compatible with and cannot interact
-with system exceptions (like division by zero or memory segmentation
-violation), compiler-generated exceptions (like C++ exceptions), or
-other exception-handling interfaces.
-
-When using this interface across multiple .c files, do not include
-this header file directly. Instead, create a wrapper header file that
-includes this header file and then invokes the define_exception_type
-macro (see below). The .c files should then include that header file.
-
-The interface consists of one type, one well-known name, and six macros.
-
-
-define_exception_type(type_name);
-
- This macro is used like an external declaration. It specifies
- the type of object that gets copied from the exception thrower to
- the exception catcher. The type_name can be any type that can be
- assigned to, that is, a non-constant arithmetic type, struct, union,
- or pointer. Examples:
-
- define_exception_type(int);
-
- enum exception { out_of_memory, bad_arguments, disk_full };
- define_exception_type(enum exception);
-
- struct exception { int code; const char *msg; };
- define_exception_type(struct exception);
-
- Because throwing an exception causes the object to be copied (not
- just once, but twice), programmers may wish to consider size when
- choosing the exception type.
-
-
-struct exception_context;
-
- This type may be used after the define_exception_type() macro has
- been invoked. A struct exception_context must be known to both
- the thrower and the catcher. It is expected that there be one
- context for each thread that uses exceptions. It would certainly
- be dangerous for multiple threads to access the same context.
- One thread can use multiple contexts, but that is likely to be
- confusing and not typically useful. The application can allocate
- this structure in any way it pleases--automatic, static, or dynamic.
- The application programmer should pretend not to know the structure
- members, which are subject to change.
-
-
-struct exception_context *the_exception_context;
-
- The Try/Catch and Throw statements (described below) implicitly
- refer to a context, using the name the_exception_context. It is
- the application's responsibility to make sure that this name yields
- the address of a mutable (non-constant) struct exception_context
- wherever those statements are used. Subject to that constraint, the
- application may declare a variable of this name anywhere it likes
- (inside a function, in a parameter list, or externally), and may
- use whatever storage class specifiers (static, extern, etc) or type
- qualifiers (const, volatile, etc) it likes. Examples:
-
- static struct exception_context
- * const the_exception_context = &foo;
-
- { struct exception_context *the_exception_context = bar; ... }
-
- int blah(struct exception_context *the_exception_context, ...);
-
- extern struct exception_context the_exception_context[1];
-
- The last example illustrates a trick that avoids creating a pointer
- object separate from the structure object.
-
- The name could even be a macro, for example:
-
- struct exception_context ec_array[numthreads];
- #define the_exception_context (ec_array + thread_id)
-
- Be aware that the_exception_context is used several times by the
- Try/Catch/Throw macros, so it shouldn't be expensive or have side
- effects. The expansion must be a drop-in replacement for an
- identifier, so it's safest to put parentheses around it.
-
-
-void init_exception_context(struct exception_context *ec);
-
- For context structures allocated statically (by an external
- definition or using the "static" keyword), the implicit
- initialization to all zeros is sufficient, but contexts allocated
- by other means must be initialized using this macro before they
- are used by a Try/Catch statement. It does no harm to initialize
- a context more than once (by using this macro on a statically
- allocated context, or using this macro twice on the same context),
- but a context must not be re-initialized after it has been used by a
- Try/Catch statement.
-
-
-Try statement
-Catch (expression) statement
-
- The Try/Catch/Throw macros are capitalized in order to avoid
- confusion with the C++ keywords, which have subtly different
- semantics.
-
- A Try/Catch statement has a syntax similar to an if/else statement,
- except that the parenthesized expression goes after the second
- keyword rather than the first. As with if/else, there are two
- clauses, each of which may be a simple statement ending with a
- semicolon or a brace-enclosed compound statement. But whereas
- the else clause is optional, the Catch clause is required. The
- expression must be a modifiable lvalue (something capable of being
- assigned to) of the same type (disregarding type qualifiers) that
- was passed to define_exception_type().
-
- If a Throw that uses the same exception context as the Try/Catch is
- executed within the Try clause (typically within a function called
- by the Try clause), and the exception is not caught by a nested
- Try/Catch statement, then a copy of the exception will be assigned
- to the expression, and control will jump to the Catch clause. If no
- such Throw is executed, then the assignment is not performed, and
- the Catch clause is not executed.
-
- The expression is not evaluated unless and until the exception is
- caught, which is significant if it has side effects, for example:
-
- Try foo();
- Catch (p[++i].e) { ... }
-
- IMPORTANT: Jumping into or out of a Try clause (for example via
- return, break, continue, goto, longjmp) is forbidden--the compiler
- will not complain, but bad things will happen at run-time. Jumping
- into or out of a Catch clause is okay, and so is jumping around
- inside a Try clause. In many cases where one is tempted to return
- from a Try clause, it will suffice to use Throw, and then return
- from the Catch clause. Another option is to set a flag variable and
- use goto to jump to the end of the Try clause, then check the flag
- after the Try/Catch statement.
-
- IMPORTANT: The values of any non-volatile automatic variables
- changed within the Try clause are undefined after an exception is
- caught. Therefore, variables modified inside the Try block whose
- values are needed later outside the Try block must either use static
- storage or be declared with the "volatile" type qualifier.
-
-
-Throw expression;
-
- A Throw statement is very much like a return statement, except that
- the expression is required. Whereas return jumps back to the place
- where the current function was called, Throw jumps back to the Catch
- clause of the innermost enclosing Try clause. The expression must
- be compatible with the type passed to define_exception_type(). The
- exception must be caught, otherwise the program may crash.
-
- Slight limitation: If the expression is a comma-expression, it must
- be enclosed in parentheses.
-
-
-Try statement
-Catch_anonymous statement
-
- When the value of the exception is not needed, a Try/Catch statement
- can use Catch_anonymous instead of Catch (expression).
-
-
-Everything below this point is for the benefit of the compiler. The
-application programmer should pretend not to know any of it, because it
-is subject to change.
-
-===*/
-
-
-#ifndef CEXCEPT_H
-#define CEXCEPT_H
-
-
-#include <setjmp.h>
-
-#define define_exception_type(etype) \
-struct exception_context { \
- jmp_buf *penv; \
- int caught; \
- volatile struct { etype etmp; } v; \
-}
-
-/* etmp must be volatile because the application might use automatic */
-/* storage for the_exception_context, and etmp is modified between */
-/* the calls to setjmp() and longjmp(). A wrapper struct is used to */
-/* avoid warnings about a duplicate volatile qualifier in case etype */
-/* already includes it. */
-
-#define init_exception_context(ec) ((void)((ec)->penv = 0))
-
-#define Try \
- { \
- jmp_buf *exception__prev, exception__env; \
- exception__prev = the_exception_context->penv; \
- the_exception_context->penv = &exception__env; \
- if (setjmp(exception__env) == 0) { \
- do
-
-#define exception__catch(action) \
- while (the_exception_context->caught = 0, \
- the_exception_context->caught); \
- } \
- else { \
- the_exception_context->caught = 1; \
- } \
- the_exception_context->penv = exception__prev; \
- } \
- if (!the_exception_context->caught || action) { } \
- else
-
-#define Catch(e) exception__catch(((e) = the_exception_context->v.etmp, 0))
-#define Catch_anonymous exception__catch(0)
-
-/* Try ends with do, and Catch begins with while(0) and ends with */
-/* else, to ensure that Try/Catch syntax is similar to if/else */
-/* syntax. */
-/* */
-/* The 0 in while(0) is expressed as x=0,x in order to appease */
-/* compilers that warn about constant expressions inside while(). */
-/* Most compilers should still recognize that the condition is always */
-/* false and avoid generating code for it. */
-
-#define Throw \
- for (;; longjmp(*the_exception_context->penv, 1)) \
- the_exception_context->v.etmp =
-
-
-#endif /* CEXCEPT_H */
+++ /dev/null
-//{{NO_DEPENDENCIES}}
-// Microsoft Developer Studio generated include file.
-// Used by VisualPng.rc
-//
-#define IDM_FILE_OPEN 40001
-#define IDM_FILE_SAVE 40002
-#define IDM_FILE_NEXT 40003
-#define IDM_FILE_PREVIOUS 40004
-#define IDM_FILE_EXIT 40005
-#define IDM_OPTIONS_BACKGROUND 40006
-#define IDM_OPTIONS_STRETCH 40007
-#define IDM_HELP_ABOUT 40008
-
-// Next default values for new objects
-//
-#ifdef APSTUDIO_INVOKED
-#ifndef APSTUDIO_READONLY_SYMBOLS
-#define _APS_NEXT_RESOURCE_VALUE 113
-#define _APS_NEXT_COMMAND_VALUE 40009
-#define _APS_NEXT_CONTROL_VALUE 1001
-#define _APS_NEXT_SYMED_VALUE 101
-#endif
-#endif
+++ /dev/null
-#! /bin/sh
-# depcomp - compile a program generating dependencies as side-effects
-
-scriptversion=2007-03-29.01
-
-# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007 Free Software
-# Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
-
-case $1 in
- '')
- echo "$0: No command. Try \`$0 --help' for more information." 1>&2
- exit 1;
- ;;
- -h | --h*)
- cat <<\EOF
-Usage: depcomp [--help] [--version] PROGRAM [ARGS]
-
-Run PROGRAMS ARGS to compile a file, generating dependencies
-as side-effects.
-
-Environment variables:
- depmode Dependency tracking mode.
- source Source file read by `PROGRAMS ARGS'.
- object Object file output by `PROGRAMS ARGS'.
- DEPDIR directory where to store dependencies.
- depfile Dependency file to output.
- tmpdepfile Temporary file to use when outputing dependencies.
- libtool Whether libtool is used (yes/no).
-
-Report bugs to <bug-automake@gnu.org>.
-EOF
- exit $?
- ;;
- -v | --v*)
- echo "depcomp $scriptversion"
- exit $?
- ;;
-esac
-
-if test -z "$depmode" || test -z "$source" || test -z "$object"; then
- echo "depcomp: Variables source, object and depmode must be set" 1>&2
- exit 1
-fi
-
-# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
-depfile=${depfile-`echo "$object" |
- sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
-tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
-
-rm -f "$tmpdepfile"
-
-# Some modes work just like other modes, but use different flags. We
-# parameterize here, but still list the modes in the big case below,
-# to make depend.m4 easier to write. Note that we *cannot* use a case
-# here, because this file can only contain one case statement.
-if test "$depmode" = hp; then
- # HP compiler uses -M and no extra arg.
- gccflag=-M
- depmode=gcc
-fi
-
-if test "$depmode" = dashXmstdout; then
- # This is just like dashmstdout with a different argument.
- dashmflag=-xM
- depmode=dashmstdout
-fi
-
-case "$depmode" in
-gcc3)
-## gcc 3 implements dependency tracking that does exactly what
-## we want. Yay! Note: for some reason libtool 1.4 doesn't like
-## it if -MD -MP comes after the -MF stuff. Hmm.
-## Unfortunately, FreeBSD c89 acceptance of flags depends upon
-## the command line argument order; so add the flags where they
-## appear in depend2.am. Note that the slowdown incurred here
-## affects only configure: in makefiles, %FASTDEP% shortcuts this.
- for arg
- do
- case $arg in
- -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
- *) set fnord "$@" "$arg" ;;
- esac
- shift # fnord
- shift # $arg
- done
- "$@"
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- mv "$tmpdepfile" "$depfile"
- ;;
-
-gcc)
-## There are various ways to get dependency output from gcc. Here's
-## why we pick this rather obscure method:
-## - Don't want to use -MD because we'd like the dependencies to end
-## up in a subdir. Having to rename by hand is ugly.
-## (We might end up doing this anyway to support other compilers.)
-## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-## -MM, not -M (despite what the docs say).
-## - Using -M directly means running the compiler twice (even worse
-## than renaming).
- if test -z "$gccflag"; then
- gccflag=-MD,
- fi
- "$@" -Wp,"$gccflag$tmpdepfile"
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- rm -f "$depfile"
- echo "$object : \\" > "$depfile"
- alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
-## The second -e expression handles DOS-style file names with drive letters.
- sed -e 's/^[^:]*: / /' \
- -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
-## This next piece of magic avoids the `deleted header file' problem.
-## The problem is that when a header file which appears in a .P file
-## is deleted, the dependency causes make to die (because there is
-## typically no way to rebuild the header). We avoid this by adding
-## dummy dependencies for each header file. Too bad gcc doesn't do
-## this for us directly.
- tr ' ' '
-' < "$tmpdepfile" |
-## Some versions of gcc put a space before the `:'. On the theory
-## that the space means something, we add a space to the output as
-## well.
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly. Breaking it into two sed invocations is a workaround.
- sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
-
-hp)
- # This case exists only to let depend.m4 do its work. It works by
- # looking at the text of this script. This case will never be run,
- # since it is checked for above.
- exit 1
- ;;
-
-sgi)
- if test "$libtool" = yes; then
- "$@" "-Wp,-MDupdate,$tmpdepfile"
- else
- "$@" -MDupdate "$tmpdepfile"
- fi
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- rm -f "$depfile"
-
- if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
- echo "$object : \\" > "$depfile"
-
- # Clip off the initial element (the dependent). Don't try to be
- # clever and replace this with sed code, as IRIX sed won't handle
- # lines with more than a fixed number of characters (4096 in
- # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
- # the IRIX cc adds comments like `#:fec' to the end of the
- # dependency line.
- tr ' ' '
-' < "$tmpdepfile" \
- | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
- tr '
-' ' ' >> $depfile
- echo >> $depfile
-
- # The second pass generates a dummy entry for each header file.
- tr ' ' '
-' < "$tmpdepfile" \
- | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
- >> $depfile
- else
- # The sourcefile does not contain any dependencies, so just
- # store a dummy comment line, to avoid errors with the Makefile
- # "include basename.Plo" scheme.
- echo "#dummy" > "$depfile"
- fi
- rm -f "$tmpdepfile"
- ;;
-
-aix)
- # The C for AIX Compiler uses -M and outputs the dependencies
- # in a .u file. In older versions, this file always lives in the
- # current directory. Also, the AIX compiler puts `$object:' at the
- # start of each line; $object doesn't have directory information.
- # Version 6 uses the directory in both cases.
- dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
- test "x$dir" = "x$object" && dir=
- base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
- if test "$libtool" = yes; then
- tmpdepfile1=$dir$base.u
- tmpdepfile2=$base.u
- tmpdepfile3=$dir.libs/$base.u
- "$@" -Wc,-M
- else
- tmpdepfile1=$dir$base.u
- tmpdepfile2=$dir$base.u
- tmpdepfile3=$dir$base.u
- "$@" -M
- fi
- stat=$?
-
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
- exit $stat
- fi
-
- for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
- do
- test -f "$tmpdepfile" && break
- done
- if test -f "$tmpdepfile"; then
- # Each line is of the form `foo.o: dependent.h'.
- # Do two passes, one to just change these to
- # `$object: dependent.h' and one to simply `dependent.h:'.
- sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
- # That's a tab and a space in the [].
- sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
- else
- # The sourcefile does not contain any dependencies, so just
- # store a dummy comment line, to avoid errors with the Makefile
- # "include basename.Plo" scheme.
- echo "#dummy" > "$depfile"
- fi
- rm -f "$tmpdepfile"
- ;;
-
-icc)
- # Intel's C compiler understands `-MD -MF file'. However on
- # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
- # ICC 7.0 will fill foo.d with something like
- # foo.o: sub/foo.c
- # foo.o: sub/foo.h
- # which is wrong. We want:
- # sub/foo.o: sub/foo.c
- # sub/foo.o: sub/foo.h
- # sub/foo.c:
- # sub/foo.h:
- # ICC 7.1 will output
- # foo.o: sub/foo.c sub/foo.h
- # and will wrap long lines using \ :
- # foo.o: sub/foo.c ... \
- # sub/foo.h ... \
- # ...
-
- "$@" -MD -MF "$tmpdepfile"
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- rm -f "$depfile"
- # Each line is of the form `foo.o: dependent.h',
- # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
- # Do two passes, one to just change these to
- # `$object: dependent.h' and one to simply `dependent.h:'.
- sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
- # Some versions of the HPUX 10.20 sed can't process this invocation
- # correctly. Breaking it into two sed invocations is a workaround.
- sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
- sed -e 's/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
-
-hp2)
- # The "hp" stanza above does not work with aCC (C++) and HP's ia64
- # compilers, which have integrated preprocessors. The correct option
- # to use with these is +Maked; it writes dependencies to a file named
- # 'foo.d', which lands next to the object file, wherever that
- # happens to be.
- # Much of this is similar to the tru64 case; see comments there.
- dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
- test "x$dir" = "x$object" && dir=
- base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
- if test "$libtool" = yes; then
- tmpdepfile1=$dir$base.d
- tmpdepfile2=$dir.libs/$base.d
- "$@" -Wc,+Maked
- else
- tmpdepfile1=$dir$base.d
- tmpdepfile2=$dir$base.d
- "$@" +Maked
- fi
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile1" "$tmpdepfile2"
- exit $stat
- fi
-
- for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
- do
- test -f "$tmpdepfile" && break
- done
- if test -f "$tmpdepfile"; then
- sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
- # Add `dependent.h:' lines.
- sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile"
- else
- echo "#dummy" > "$depfile"
- fi
- rm -f "$tmpdepfile" "$tmpdepfile2"
- ;;
-
-tru64)
- # The Tru64 compiler uses -MD to generate dependencies as a side
- # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
- # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
- # dependencies in `foo.d' instead, so we check for that too.
- # Subdirectories are respected.
- dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
- test "x$dir" = "x$object" && dir=
- base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
-
- if test "$libtool" = yes; then
- # With Tru64 cc, shared objects can also be used to make a
- # static library. This mechanism is used in libtool 1.4 series to
- # handle both shared and static libraries in a single compilation.
- # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
- #
- # With libtool 1.5 this exception was removed, and libtool now
- # generates 2 separate objects for the 2 libraries. These two
- # compilations output dependencies in $dir.libs/$base.o.d and
- # in $dir$base.o.d. We have to check for both files, because
- # one of the two compilations can be disabled. We should prefer
- # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
- # automatically cleaned when .libs/ is deleted, while ignoring
- # the former would cause a distcleancheck panic.
- tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
- tmpdepfile2=$dir$base.o.d # libtool 1.5
- tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
- tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
- "$@" -Wc,-MD
- else
- tmpdepfile1=$dir$base.o.d
- tmpdepfile2=$dir$base.d
- tmpdepfile3=$dir$base.d
- tmpdepfile4=$dir$base.d
- "$@" -MD
- fi
-
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
- exit $stat
- fi
-
- for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
- do
- test -f "$tmpdepfile" && break
- done
- if test -f "$tmpdepfile"; then
- sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
- # That's a tab and a space in the [].
- sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
- else
- echo "#dummy" > "$depfile"
- fi
- rm -f "$tmpdepfile"
- ;;
-
-#nosideeffect)
- # This comment above is used by automake to tell side-effect
- # dependency tracking mechanisms from slower ones.
-
-dashmstdout)
- # Important note: in order to support this mode, a compiler *must*
- # always write the preprocessed file to stdout, regardless of -o.
- "$@" || exit $?
-
- # Remove the call to Libtool.
- if test "$libtool" = yes; then
- while test $1 != '--mode=compile'; do
- shift
- done
- shift
- fi
-
- # Remove `-o $object'.
- IFS=" "
- for arg
- do
- case $arg in
- -o)
- shift
- ;;
- $object)
- shift
- ;;
- *)
- set fnord "$@" "$arg"
- shift # fnord
- shift # $arg
- ;;
- esac
- done
-
- test -z "$dashmflag" && dashmflag=-M
- # Require at least two characters before searching for `:'
- # in the target name. This is to cope with DOS-style filenames:
- # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
- "$@" $dashmflag |
- sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
- rm -f "$depfile"
- cat < "$tmpdepfile" > "$depfile"
- tr ' ' '
-' < "$tmpdepfile" | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly. Breaking it into two sed invocations is a workaround.
- sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
-
-dashXmstdout)
- # This case only exists to satisfy depend.m4. It is never actually
- # run, as this mode is specially recognized in the preamble.
- exit 1
- ;;
-
-makedepend)
- "$@" || exit $?
- # Remove any Libtool call
- if test "$libtool" = yes; then
- while test $1 != '--mode=compile'; do
- shift
- done
- shift
- fi
- # X makedepend
- shift
- cleared=no
- for arg in "$@"; do
- case $cleared in
- no)
- set ""; shift
- cleared=yes ;;
- esac
- case "$arg" in
- -D*|-I*)
- set fnord "$@" "$arg"; shift ;;
- # Strip any option that makedepend may not understand. Remove
- # the object too, otherwise makedepend will parse it as a source file.
- -*|$object)
- ;;
- *)
- set fnord "$@" "$arg"; shift ;;
- esac
- done
- obj_suffix="`echo $object | sed 's/^.*\././'`"
- touch "$tmpdepfile"
- ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
- rm -f "$depfile"
- cat < "$tmpdepfile" > "$depfile"
- sed '1,2d' "$tmpdepfile" | tr ' ' '
-' | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly. Breaking it into two sed invocations is a workaround.
- sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile" "$tmpdepfile".bak
- ;;
-
-cpp)
- # Important note: in order to support this mode, a compiler *must*
- # always write the preprocessed file to stdout.
- "$@" || exit $?
-
- # Remove the call to Libtool.
- if test "$libtool" = yes; then
- while test $1 != '--mode=compile'; do
- shift
- done
- shift
- fi
-
- # Remove `-o $object'.
- IFS=" "
- for arg
- do
- case $arg in
- -o)
- shift
- ;;
- $object)
- shift
- ;;
- *)
- set fnord "$@" "$arg"
- shift # fnord
- shift # $arg
- ;;
- esac
- done
-
- "$@" -E |
- sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
- -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
- sed '$ s: \\$::' > "$tmpdepfile"
- rm -f "$depfile"
- echo "$object : \\" > "$depfile"
- cat < "$tmpdepfile" >> "$depfile"
- sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
-
-msvisualcpp)
- # Important note: in order to support this mode, a compiler *must*
- # always write the preprocessed file to stdout, regardless of -o,
- # because we must use -o when running libtool.
- "$@" || exit $?
- IFS=" "
- for arg
- do
- case "$arg" in
- "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
- set fnord "$@"
- shift
- shift
- ;;
- *)
- set fnord "$@" "$arg"
- shift
- shift
- ;;
- esac
- done
- "$@" -E |
- sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
- rm -f "$depfile"
- echo "$object : \\" > "$depfile"
- . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
- echo " " >> "$depfile"
- . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
-
-none)
- exec "$@"
- ;;
-
-*)
- echo "Unknown depmode $depmode" 1>&2
- exit 1
- ;;
-esac
-
-exit 0
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
-# End:
+++ /dev/null
-
-#if 0 /* in case someone actually tries to compile this */
-
-/* example.c - an example of using libpng
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * This file has been placed in the public domain by the authors.
- * Maintained 1998-2009 Glenn Randers-Pehrson
- * Maintained 1996, 1997 Andreas Dilger)
- * Written 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-/* This is an example of how to use libpng to read and write PNG files.
- * The file libpng.txt is much more verbose then this. If you have not
- * read it, do so first. This was designed to be a starting point of an
- * implementation. This is not officially part of libpng, is hereby placed
- * in the public domain, and therefore does not require a copyright notice.
- *
- * This file does not currently compile, because it is missing certain
- * parts, like allocating memory to hold an image. You will have to
- * supply these parts to get it to compile. For an example of a minimal
- * working PNG reader/writer, see pngtest.c, included in this distribution;
- * see also the programs in the contrib directory.
- */
-
-#include "png.h"
-
- /* The png_jmpbuf() macro, used in error handling, became available in
- * libpng version 1.0.6. If you want to be able to run your code with older
- * versions of libpng, you must define the macro yourself (but only if it
- * is not already defined by libpng!).
- */
-
-#ifndef png_jmpbuf
-# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
-#endif
-
-/* Check to see if a file is a PNG file using png_sig_cmp(). png_sig_cmp()
- * returns zero if the image is a PNG and nonzero if it isn't a PNG.
- *
- * The function check_if_png() shown here, but not used, returns nonzero (true)
- * if the file can be opened and is a PNG, 0 (false) otherwise.
- *
- * If this call is successful, and you are going to keep the file open,
- * you should call png_set_sig_bytes(png_ptr, PNG_BYTES_TO_CHECK); once
- * you have created the png_ptr, so that libpng knows your application
- * has read that many bytes from the start of the file. Make sure you
- * don't call png_set_sig_bytes() with more than 8 bytes read or give it
- * an incorrect number of bytes read, or you will either have read too
- * many bytes (your fault), or you are telling libpng to read the wrong
- * number of magic bytes (also your fault).
- *
- * Many applications already read the first 2 or 4 bytes from the start
- * of the image to determine the file type, so it would be easiest just
- * to pass the bytes to png_sig_cmp() or even skip that if you know
- * you have a PNG file, and call png_set_sig_bytes().
- */
-#define PNG_BYTES_TO_CHECK 4
-int check_if_png(char *file_name, FILE **fp)
-{
- char buf[PNG_BYTES_TO_CHECK];
-
- /* Open the prospective PNG file. */
- if ((*fp = fopen(file_name, "rb")) == NULL)
- return 0;
-
- /* Read in some of the signature bytes */
- if (fread(buf, 1, PNG_BYTES_TO_CHECK, *fp) != PNG_BYTES_TO_CHECK)
- return 0;
-
- /* Compare the first PNG_BYTES_TO_CHECK bytes of the signature.
- Return nonzero (true) if they match */
-
- return(!png_sig_cmp(buf, (png_size_t)0, PNG_BYTES_TO_CHECK));
-}
-
-/* Read a PNG file. You may want to return an error code if the read
- * fails (depending upon the failure). There are two "prototypes" given
- * here - one where we are given the filename, and we need to open the
- * file, and the other where we are given an open file (possibly with
- * some or all of the magic bytes read - see comments above).
- */
-#ifdef open_file /* prototype 1 */
-void read_png(char *file_name) /* We need to open the file */
-{
- png_structp png_ptr;
- png_infop info_ptr;
- unsigned int sig_read = 0;
- png_uint_32 width, height;
- int bit_depth, color_type, interlace_type;
- FILE *fp;
-
- if ((fp = fopen(file_name, "rb")) == NULL)
- return (ERROR);
-
-#else no_open_file /* prototype 2 */
-void read_png(FILE *fp, unsigned int sig_read) /* File is already open */
-{
- png_structp png_ptr;
- png_infop info_ptr;
- png_uint_32 width, height;
- int bit_depth, color_type, interlace_type;
-#endif no_open_file /* Only use one prototype! */
-
- /* Create and initialize the png_struct with the desired error handler
- * functions. If you want to use the default stderr and longjump method,
- * you can supply NULL for the last three parameters. We also supply the
- * the compiler header file version, so that we know if the application
- * was compiled with a compatible version of the library. REQUIRED
- */
- png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
- png_voidp user_error_ptr, user_error_fn, user_warning_fn);
-
- if (png_ptr == NULL)
- {
- fclose(fp);
- return (ERROR);
- }
-
- /* Allocate/initialize the memory for image information. REQUIRED. */
- info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == NULL)
- {
- fclose(fp);
- png_destroy_read_struct(&png_ptr, png_infopp_NULL, png_infopp_NULL);
- return (ERROR);
- }
-
- /* Set error handling if you are using the setjmp/longjmp method (this is
- * the normal method of doing things with libpng). REQUIRED unless you
- * set up your own error handlers in the png_create_read_struct() earlier.
- */
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- /* Free all of the memory associated with the png_ptr and info_ptr */
- png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
- fclose(fp);
- /* If we get here, we had a problem reading the file */
- return (ERROR);
- }
-
- /* One of the following I/O initialization methods is REQUIRED */
-#ifdef streams /* PNG file I/O method 1 */
- /* Set up the input control if you are using standard C streams */
- png_init_io(png_ptr, fp);
-
-#else no_streams /* PNG file I/O method 2 */
- /* If you are using replacement read functions, instead of calling
- * png_init_io() here you would call:
- */
- png_set_read_fn(png_ptr, (void *)user_io_ptr, user_read_fn);
- /* where user_io_ptr is a structure you want available to the callbacks */
-#endif no_streams /* Use only one I/O method! */
-
- /* If we have already read some of the signature */
- png_set_sig_bytes(png_ptr, sig_read);
-
-#ifdef hilevel
- /*
- * If you have enough memory to read in the entire image at once,
- * and you need to specify only transforms that can be controlled
- * with one of the PNG_TRANSFORM_* bits (this presently excludes
- * dithering, filling, setting background, and doing gamma
- * adjustment), then you can read the entire image (including
- * pixels) into the info structure with this call:
- */
- png_read_png(png_ptr, info_ptr, png_transforms, png_voidp_NULL);
-
-#else
- /* OK, you're doing it the hard way, with the lower-level functions */
-
- /* The call to png_read_info() gives us all of the information from the
- * PNG file before the first IDAT (image data chunk). REQUIRED
- */
- png_read_info(png_ptr, info_ptr);
-
- png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
- &interlace_type, int_p_NULL, int_p_NULL);
-
- /* Set up the data transformations you want. Note that these are all
- * optional. Only call them if you want/need them. Many of the
- * transformations only work on specific types of images, and many
- * are mutually exclusive.
- */
-
- /* Tell libpng to strip 16 bit/color files down to 8 bits/color */
- png_set_strip_16(png_ptr);
-
- /* Strip alpha bytes from the input data without combining with the
- * background (not recommended).
- */
- png_set_strip_alpha(png_ptr);
-
- /* Extract multiple pixels with bit depths of 1, 2, and 4 from a single
- * byte into separate bytes (useful for paletted and grayscale images).
- */
- png_set_packing(png_ptr);
-
- /* Change the order of packed pixels to least significant bit first
- * (not useful if you are using png_set_packing). */
- png_set_packswap(png_ptr);
-
- /* Expand paletted colors into true RGB triplets */
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- png_set_palette_to_rgb(png_ptr);
-
- /* Expand grayscale images to the full 8 bits from 1, 2, or 4 bits/pixel */
- if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
- png_set_expand_gray_1_2_4_to_8(png_ptr);
-
- /* Expand paletted or RGB images with transparency to full alpha channels
- * so the data will be available as RGBA quartets.
- */
- if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
- png_set_tRNS_to_alpha(png_ptr);
-
- /* Set the background color to draw transparent and alpha images over.
- * It is possible to set the red, green, and blue components directly
- * for paletted images instead of supplying a palette index. Note that
- * even if the PNG file supplies a background, you are not required to
- * use it - you should use the (solid) application background if it has one.
- */
-
- png_color_16 my_background, *image_background;
-
- if (png_get_bKGD(png_ptr, info_ptr, &image_background))
- png_set_background(png_ptr, image_background,
- PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
- else
- png_set_background(png_ptr, &my_background,
- PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
-
- /* Some suggestions as to how to get a screen gamma value
- *
- * Note that screen gamma is the display_exponent, which includes
- * the CRT_exponent and any correction for viewing conditions
- */
- if (/* We have a user-defined screen gamma value */)
- {
- screen_gamma = user-defined screen_gamma;
- }
- /* This is one way that applications share the same screen gamma value */
- else if ((gamma_str = getenv("SCREEN_GAMMA")) != NULL)
- {
- screen_gamma = atof(gamma_str);
- }
- /* If we don't have another value */
- else
- {
- screen_gamma = 2.2; /* A good guess for a PC monitor in a dimly
- lit room */
- screen_gamma = 1.7 or 1.0; /* A good guess for Mac systems */
- }
-
- /* Tell libpng to handle the gamma conversion for you. The final call
- * is a good guess for PC generated images, but it should be configurable
- * by the user at run time by the user. It is strongly suggested that
- * your application support gamma correction.
- */
-
- int intent;
-
- if (png_get_sRGB(png_ptr, info_ptr, &intent))
- png_set_gamma(png_ptr, screen_gamma, 0.45455);
- else
- {
- double image_gamma;
- if (png_get_gAMA(png_ptr, info_ptr, &image_gamma))
- png_set_gamma(png_ptr, screen_gamma, image_gamma);
- else
- png_set_gamma(png_ptr, screen_gamma, 0.45455);
- }
-
- /* Dither RGB files down to 8 bit palette or reduce palettes
- * to the number of colors available on your screen.
- */
- if (color_type & PNG_COLOR_MASK_COLOR)
- {
- int num_palette;
- png_colorp palette;
-
- /* This reduces the image to the application supplied palette */
- if (/* We have our own palette */)
- {
- /* An array of colors to which the image should be dithered */
- png_color std_color_cube[MAX_SCREEN_COLORS];
-
- png_set_dither(png_ptr, std_color_cube, MAX_SCREEN_COLORS,
- MAX_SCREEN_COLORS, png_uint_16p_NULL, 0);
- }
- /* This reduces the image to the palette supplied in the file */
- else if (png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette))
- {
- png_uint_16p histogram = NULL;
-
- png_get_hIST(png_ptr, info_ptr, &histogram);
-
- png_set_dither(png_ptr, palette, num_palette,
- max_screen_colors, histogram, 0);
- }
- }
-
- /* Invert monochrome files to have 0 as white and 1 as black */
- png_set_invert_mono(png_ptr);
-
- /* If you want to shift the pixel values from the range [0,255] or
- * [0,65535] to the original [0,7] or [0,31], or whatever range the
- * colors were originally in:
- */
- if (png_get_valid(png_ptr, info_ptr, PNG_INFO_sBIT))
- {
- png_color_8p sig_bit_p;
-
- png_get_sBIT(png_ptr, info_ptr, &sig_bit_p);
- png_set_shift(png_ptr, sig_bit_p);
- }
-
- /* Flip the RGB pixels to BGR (or RGBA to BGRA) */
- if (color_type & PNG_COLOR_MASK_COLOR)
- png_set_bgr(png_ptr);
-
- /* Swap the RGBA or GA data to ARGB or AG (or BGRA to ABGR) */
- png_set_swap_alpha(png_ptr);
-
- /* Swap bytes of 16 bit files to least significant byte first */
- png_set_swap(png_ptr);
-
- /* Add filler (or alpha) byte (before/after each RGB triplet) */
- png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER);
-
- /* Turn on interlace handling. REQUIRED if you are not using
- * png_read_image(). To see how to handle interlacing passes,
- * see the png_read_row() method below:
- */
- number_passes = png_set_interlace_handling(png_ptr);
-
- /* Optional call to gamma correct and add the background to the palette
- * and update info structure. REQUIRED if you are expecting libpng to
- * update the palette for you (ie you selected such a transform above).
- */
- png_read_update_info(png_ptr, info_ptr);
-
- /* Allocate the memory to hold the image using the fields of info_ptr. */
-
- /* The easiest way to read the image: */
- png_bytep row_pointers[height];
-
- /* Clear the pointer array */
- for (row = 0; row < height; row++)
- row_pointers[row] = NULL;
-
- for (row = 0; row < height; row++)
- row_pointers[row] = png_malloc(png_ptr, png_get_rowbytes(png_ptr,
- info_ptr));
-
- /* Now it's time to read the image. One of these methods is REQUIRED */
-#ifdef entire /* Read the entire image in one go */
- png_read_image(png_ptr, row_pointers);
-
-#else no_entire /* Read the image one or more scanlines at a time */
- /* The other way to read images - deal with interlacing: */
-
- for (pass = 0; pass < number_passes; pass++)
- {
-#ifdef single /* Read the image a single row at a time */
- for (y = 0; y < height; y++)
- {
- png_read_rows(png_ptr, &row_pointers[y], png_bytepp_NULL, 1);
- }
-
-#else no_single /* Read the image several rows at a time */
- for (y = 0; y < height; y += number_of_rows)
- {
-#ifdef sparkle /* Read the image using the "sparkle" effect. */
- png_read_rows(png_ptr, &row_pointers[y], png_bytepp_NULL,
- number_of_rows);
-#else no_sparkle /* Read the image using the "rectangle" effect */
- png_read_rows(png_ptr, png_bytepp_NULL, &row_pointers[y],
- number_of_rows);
-#endif no_sparkle /* Use only one of these two methods */
- }
-
- /* If you want to display the image after every pass, do so here */
-#endif no_single /* Use only one of these two methods */
- }
-#endif no_entire /* Use only one of these two methods */
-
- /* Read rest of file, and get additional chunks in info_ptr - REQUIRED */
- png_read_end(png_ptr, info_ptr);
-#endif hilevel
-
- /* At this point you have read the entire image */
-
- /* Clean up after the read, and free any memory allocated - REQUIRED */
- png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
-
- /* Close the file */
- fclose(fp);
-
- /* That's it */
- return (OK);
-}
-
-/* Progressively read a file */
-
-int
-initialize_png_reader(png_structp *png_ptr, png_infop *info_ptr)
-{
- /* Create and initialize the png_struct with the desired error handler
- * functions. If you want to use the default stderr and longjump method,
- * you can supply NULL for the last three parameters. We also check that
- * the library version is compatible in case we are using dynamically
- * linked libraries.
- */
- *png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
- png_voidp user_error_ptr, user_error_fn, user_warning_fn);
-
- if (*png_ptr == NULL)
- {
- *info_ptr = NULL;
- return (ERROR);
- }
-
- *info_ptr = png_create_info_struct(png_ptr);
-
- if (*info_ptr == NULL)
- {
- png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL);
- return (ERROR);
- }
-
- if (setjmp(png_jmpbuf((*png_ptr))))
- {
- png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL);
- return (ERROR);
- }
-
- /* This one's new. You will need to provide all three
- * function callbacks, even if you aren't using them all.
- * If you aren't using all functions, you can specify NULL
- * parameters. Even when all three functions are NULL,
- * you need to call png_set_progressive_read_fn().
- * These functions shouldn't be dependent on global or
- * static variables if you are decoding several images
- * simultaneously. You should store stream specific data
- * in a separate struct, given as the second parameter,
- * and retrieve the pointer from inside the callbacks using
- * the function png_get_progressive_ptr(png_ptr).
- */
- png_set_progressive_read_fn(*png_ptr, (void *)stream_data,
- info_callback, row_callback, end_callback);
-
- return (OK);
-}
-
-int
-process_data(png_structp *png_ptr, png_infop *info_ptr,
- png_bytep buffer, png_uint_32 length)
-{
- if (setjmp(png_jmpbuf((*png_ptr))))
- {
- /* Free the png_ptr and info_ptr memory on error */
- png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL);
- return (ERROR);
- }
-
- /* This one's new also. Simply give it chunks of data as
- * they arrive from the data stream (in order, of course).
- * On segmented machines, don't give it any more than 64K.
- * The library seems to run fine with sizes of 4K, although
- * you can give it much less if necessary (I assume you can
- * give it chunks of 1 byte, but I haven't tried with less
- * than 256 bytes yet). When this function returns, you may
- * want to display any rows that were generated in the row
- * callback, if you aren't already displaying them there.
- */
- png_process_data(*png_ptr, *info_ptr, buffer, length);
- return (OK);
-}
-
-info_callback(png_structp png_ptr, png_infop info)
-{
- /* Do any setup here, including setting any of the transformations
- * mentioned in the Reading PNG files section. For now, you _must_
- * call either png_start_read_image() or png_read_update_info()
- * after all the transformations are set (even if you don't set
- * any). You may start getting rows before png_process_data()
- * returns, so this is your last chance to prepare for that.
- */
-}
-
-row_callback(png_structp png_ptr, png_bytep new_row,
- png_uint_32 row_num, int pass)
-{
- /*
- * This function is called for every row in the image. If the
- * image is interlaced, and you turned on the interlace handler,
- * this function will be called for every row in every pass.
- *
- * In this function you will receive a pointer to new row data from
- * libpng called new_row that is to replace a corresponding row (of
- * the same data format) in a buffer allocated by your application.
- *
- * The new row data pointer "new_row" may be NULL, indicating there is
- * no new data to be replaced (in cases of interlace loading).
- *
- * If new_row is not NULL then you need to call
- * png_progressive_combine_row() to replace the corresponding row as
- * shown below:
- */
-
- /* Check if row_num is in bounds. */
- if ((row_num >= 0) && (row_num < height))
- {
- /* Get pointer to corresponding row in our
- * PNG read buffer.
- */
- png_bytep old_row = ((png_bytep *)our_data)[row_num];
-
- /* If both rows are allocated then copy the new row
- * data to the corresponding row data.
- */
- if ((old_row != NULL) && (new_row != NULL))
- png_progressive_combine_row(png_ptr, old_row, new_row);
- }
- /*
- * The rows and passes are called in order, so you don't really
- * need the row_num and pass, but I'm supplying them because it
- * may make your life easier.
- *
- * For the non-NULL rows of interlaced images, you must call
- * png_progressive_combine_row() passing in the new row and the
- * old row, as demonstrated above. You can call this function for
- * NULL rows (it will just return) and for non-interlaced images
- * (it just does the png_memcpy for you) if it will make the code
- * easier. Thus, you can just do this for all cases:
- */
-
- png_progressive_combine_row(png_ptr, old_row, new_row);
-
- /* where old_row is what was displayed for previous rows. Note
- * that the first pass (pass == 0 really) will completely cover
- * the old row, so the rows do not have to be initialized. After
- * the first pass (and only for interlaced images), you will have
- * to pass the current row as new_row, and the function will combine
- * the old row and the new row.
- */
-}
-
-end_callback(png_structp png_ptr, png_infop info)
-{
- /* This function is called when the whole image has been read,
- * including any chunks after the image (up to and including
- * the IEND). You will usually have the same info chunk as you
- * had in the header, although some data may have been added
- * to the comments and time fields.
- *
- * Most people won't do much here, perhaps setting a flag that
- * marks the image as finished.
- */
-}
-
-/* Write a png file */
-void write_png(char *file_name /* , ... other image information ... */)
-{
- FILE *fp;
- png_structp png_ptr;
- png_infop info_ptr;
- png_colorp palette;
-
- /* Open the file */
- fp = fopen(file_name, "wb");
- if (fp == NULL)
- return (ERROR);
-
- /* Create and initialize the png_struct with the desired error handler
- * functions. If you want to use the default stderr and longjump method,
- * you can supply NULL for the last three parameters. We also check that
- * the library version is compatible with the one used at compile time,
- * in case we are using dynamically linked libraries. REQUIRED.
- */
- png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
- png_voidp user_error_ptr, user_error_fn, user_warning_fn);
-
- if (png_ptr == NULL)
- {
- fclose(fp);
- return (ERROR);
- }
-
- /* Allocate/initialize the image information data. REQUIRED */
- info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == NULL)
- {
- fclose(fp);
- png_destroy_write_struct(&png_ptr, png_infopp_NULL);
- return (ERROR);
- }
-
- /* Set error handling. REQUIRED if you aren't supplying your own
- * error handling functions in the png_create_write_struct() call.
- */
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- /* If we get here, we had a problem writing the file */
- fclose(fp);
- png_destroy_write_struct(&png_ptr, &info_ptr);
- return (ERROR);
- }
-
- /* One of the following I/O initialization functions is REQUIRED */
-
-#ifdef streams /* I/O initialization method 1 */
- /* Set up the output control if you are using standard C streams */
- png_init_io(png_ptr, fp);
-
-#else no_streams /* I/O initialization method 2 */
- /* If you are using replacement write functions, instead of calling
- * png_init_io() here you would call
- */
- png_set_write_fn(png_ptr, (void *)user_io_ptr, user_write_fn,
- user_IO_flush_function);
- /* where user_io_ptr is a structure you want available to the callbacks */
-#endif no_streams /* Only use one initialization method */
-
-#ifdef hilevel
- /* This is the easy way. Use it if you already have all the
- * image info living in the structure. You could "|" many
- * PNG_TRANSFORM flags into the png_transforms integer here.
- */
- png_write_png(png_ptr, info_ptr, png_transforms, png_voidp_NULL);
-
-#else
- /* This is the hard way */
-
- /* Set the image information here. Width and height are up to 2^31,
- * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on
- * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY,
- * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB,
- * or PNG_COLOR_TYPE_RGB_ALPHA. interlace is either PNG_INTERLACE_NONE or
- * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST
- * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE. REQUIRED
- */
- png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth, PNG_COLOR_TYPE_???,
- PNG_INTERLACE_????, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
-
- /* Set the palette if there is one. REQUIRED for indexed-color images */
- palette = (png_colorp)png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH
- * png_sizeof(png_color));
- /* ... Set palette colors ... */
- png_set_PLTE(png_ptr, info_ptr, palette, PNG_MAX_PALETTE_LENGTH);
- /* You must not free palette here, because png_set_PLTE only makes a link to
- * the palette that you malloced. Wait until you are about to destroy
- * the png structure.
- */
-
- /* Optional significant bit (sBIT) chunk */
- png_color_8 sig_bit;
- /* If we are dealing with a grayscale image then */
- sig_bit.gray = true_bit_depth;
- /* Otherwise, if we are dealing with a color image then */
- sig_bit.red = true_red_bit_depth;
- sig_bit.green = true_green_bit_depth;
- sig_bit.blue = true_blue_bit_depth;
- /* If the image has an alpha channel then */
- sig_bit.alpha = true_alpha_bit_depth;
- png_set_sBIT(png_ptr, info_ptr, &sig_bit);
-
-
- /* Optional gamma chunk is strongly suggested if you have any guess
- * as to the correct gamma of the image.
- */
- png_set_gAMA(png_ptr, info_ptr, gamma);
-
- /* Optionally write comments into the image */
- text_ptr[0].key = "Title";
- text_ptr[0].text = "Mona Lisa";
- text_ptr[0].compression = PNG_TEXT_COMPRESSION_NONE;
- text_ptr[1].key = "Author";
- text_ptr[1].text = "Leonardo DaVinci";
- text_ptr[1].compression = PNG_TEXT_COMPRESSION_NONE;
- text_ptr[2].key = "Description";
- text_ptr[2].text = "<long text>";
- text_ptr[2].compression = PNG_TEXT_COMPRESSION_zTXt;
-#ifdef PNG_iTXt_SUPPORTED
- text_ptr[0].lang = NULL;
- text_ptr[1].lang = NULL;
- text_ptr[2].lang = NULL;
-#endif
- png_set_text(png_ptr, info_ptr, text_ptr, 3);
-
- /* Other optional chunks like cHRM, bKGD, tRNS, tIME, oFFs, pHYs */
-
- /* Note that if sRGB is present the gAMA and cHRM chunks must be ignored
- * on read and, if your application chooses to write them, they must
- * be written in accordance with the sRGB profile
- */
-
- /* Write the file header information. REQUIRED */
- png_write_info(png_ptr, info_ptr);
-
- /* If you want, you can write the info in two steps, in case you need to
- * write your private chunk ahead of PLTE:
- *
- * png_write_info_before_PLTE(write_ptr, write_info_ptr);
- * write_my_chunk();
- * png_write_info(png_ptr, info_ptr);
- *
- * However, given the level of known- and unknown-chunk support in 1.2.0
- * and up, this should no longer be necessary.
- */
-
- /* Once we write out the header, the compression type on the text
- * chunks gets changed to PNG_TEXT_COMPRESSION_NONE_WR or
- * PNG_TEXT_COMPRESSION_zTXt_WR, so it doesn't get written out again
- * at the end.
- */
-
- /* Set up the transformations you want. Note that these are
- * all optional. Only call them if you want them.
- */
-
- /* Invert monochrome pixels */
- png_set_invert_mono(png_ptr);
-
- /* Shift the pixels up to a legal bit depth and fill in
- * as appropriate to correctly scale the image.
- */
- png_set_shift(png_ptr, &sig_bit);
-
- /* Pack pixels into bytes */
- png_set_packing(png_ptr);
-
- /* Swap location of alpha bytes from ARGB to RGBA */
- png_set_swap_alpha(png_ptr);
-
- /* Get rid of filler (OR ALPHA) bytes, pack XRGB/RGBX/ARGB/RGBA into
- * RGB (4 channels -> 3 channels). The second parameter is not used.
- */
- png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE);
-
- /* Flip BGR pixels to RGB */
- png_set_bgr(png_ptr);
-
- /* Swap bytes of 16-bit files to most significant byte first */
- png_set_swap(png_ptr);
-
- /* Swap bits of 1, 2, 4 bit packed pixel formats */
- png_set_packswap(png_ptr);
-
- /* Turn on interlace handling if you are not using png_write_image() */
- if (interlacing)
- number_passes = png_set_interlace_handling(png_ptr);
- else
- number_passes = 1;
-
- /* The easiest way to write the image (you may have a different memory
- * layout, however, so choose what fits your needs best). You need to
- * use the first method if you aren't handling interlacing yourself.
- */
- png_uint_32 k, height, width;
- png_byte image[height][width*bytes_per_pixel];
- png_bytep row_pointers[height];
-
- if (height > PNG_UINT_32_MAX/png_sizeof(png_bytep))
- png_error (png_ptr, "Image is too tall to process in memory");
-
- for (k = 0; k < height; k++)
- row_pointers[k] = image + k*width*bytes_per_pixel;
-
- /* One of the following output methods is REQUIRED */
-
-#ifdef entire /* Write out the entire image data in one call */
- png_write_image(png_ptr, row_pointers);
-
- /* The other way to write the image - deal with interlacing */
-
-#else no_entire /* Write out the image data by one or more scanlines */
-
- /* The number of passes is either 1 for non-interlaced images,
- * or 7 for interlaced images.
- */
- for (pass = 0; pass < number_passes; pass++)
- {
- /* Write a few rows at a time. */
- png_write_rows(png_ptr, &row_pointers[first_row], number_of_rows);
-
- /* If you are only writing one row at a time, this works */
- for (y = 0; y < height; y++)
- png_write_rows(png_ptr, &row_pointers[y], 1);
- }
-#endif no_entire /* Use only one output method */
-
- /* You can write optional chunks like tEXt, zTXt, and tIME at the end
- * as well. Shouldn't be necessary in 1.2.0 and up as all the public
- * chunks are supported and you can use png_set_unknown_chunks() to
- * register unknown chunks into the info structure to be written out.
- */
-
- /* It is REQUIRED to call this to finish writing the rest of the file */
- png_write_end(png_ptr, info_ptr);
-#endif hilevel
-
- /* If you png_malloced a palette, free it here (don't free info_ptr->palette,
- * as recommended in versions 1.0.5m and earlier of this example; if
- * libpng mallocs info_ptr->palette, libpng will free it). If you
- * allocated it with malloc() instead of png_malloc(), use free() instead
- * of png_free().
- */
- png_free(png_ptr, palette);
- palette = NULL;
-
- /* Similarly, if you png_malloced any data that you passed in with
- * png_set_something(), such as a hist or trans array, free it here,
- * when you can be sure that libpng is through with it.
- */
- png_free(png_ptr, trans);
- trans = NULL;
- /* Whenever you use png_free() it is a good idea to set the pointer to
- * NULL in case your application inadvertently tries to png_free() it
- * again. When png_free() sees a NULL it returns without action, thus
- * avoiding the double-free security problem.
- */
-
- /* Clean up after the write, and free any memory allocated */
- png_destroy_write_struct(&png_ptr, &info_ptr);
-
- /* Close the file */
- fclose(fp);
-
- /* That's it */
- return (OK);
-}
-
-#endif /* if 0 */
+++ /dev/null
-#!/bin/sh
-# install - install a program, script, or datafile
-
-scriptversion=2006-12-25.00
-
-# This originates from X11R5 (mit/util/scripts/install.sh), which was
-# later released in X11R6 (xc/config/util/install.sh) with the
-# following copyright and license.
-#
-# Copyright (C) 1994 X Consortium
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to
-# deal in the Software without restriction, including without limitation the
-# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-# sell copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
-# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-#
-# Except as contained in this notice, the name of the X Consortium shall not
-# be used in advertising or otherwise to promote the sale, use or other deal-
-# ings in this Software without prior written authorization from the X Consor-
-# tium.
-#
-#
-# FSF changes to this file are in the public domain.
-#
-# Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
-# when there is no Makefile.
-#
-# This script is compatible with the BSD install script, but was written
-# from scratch.
-
-nl='
-'
-IFS=" "" $nl"
-
-# set DOITPROG to echo to test this script
-
-# Don't use :- since 4.3BSD and earlier shells don't like it.
-doit=${DOITPROG-}
-if test -z "$doit"; then
- doit_exec=exec
-else
- doit_exec=$doit
-fi
-
-# Put in absolute file names if you don't have them in your path;
-# or use environment vars.
-
-chgrpprog=${CHGRPPROG-chgrp}
-chmodprog=${CHMODPROG-chmod}
-chownprog=${CHOWNPROG-chown}
-cmpprog=${CMPPROG-cmp}
-cpprog=${CPPROG-cp}
-mkdirprog=${MKDIRPROG-mkdir}
-mvprog=${MVPROG-mv}
-rmprog=${RMPROG-rm}
-stripprog=${STRIPPROG-strip}
-
-posix_glob='?'
-initialize_posix_glob='
- test "$posix_glob" != "?" || {
- if (set -f) 2>/dev/null; then
- posix_glob=
- else
- posix_glob=:
- fi
- }
-'
-
-posix_mkdir=
-
-# Desired mode of installed file.
-mode=0755
-
-chgrpcmd=
-chmodcmd=$chmodprog
-chowncmd=
-mvcmd=$mvprog
-rmcmd="$rmprog -f"
-stripcmd=
-
-src=
-dst=
-dir_arg=
-dst_arg=
-
-copy_on_change=false
-no_target_directory=
-
-usage="\
-Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
- or: $0 [OPTION]... SRCFILES... DIRECTORY
- or: $0 [OPTION]... -t DIRECTORY SRCFILES...
- or: $0 [OPTION]... -d DIRECTORIES...
-
-In the 1st form, copy SRCFILE to DSTFILE.
-In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
-In the 4th, create DIRECTORIES.
-
-Options:
- --help display this help and exit.
- --version display version info and exit.
-
- -c (ignored)
- -C install only if different (preserve the last data modification time)
- -d create directories instead of installing files.
- -g GROUP $chgrpprog installed files to GROUP.
- -m MODE $chmodprog installed files to MODE.
- -o USER $chownprog installed files to USER.
- -s $stripprog installed files.
- -t DIRECTORY install into DIRECTORY.
- -T report an error if DSTFILE is a directory.
-
-Environment variables override the default commands:
- CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
- RMPROG STRIPPROG
-"
-
-while test $# -ne 0; do
- case $1 in
- -c) ;;
-
- -C) copy_on_change=true;;
-
- -d) dir_arg=true;;
-
- -g) chgrpcmd="$chgrpprog $2"
- shift;;
-
- --help) echo "$usage"; exit $?;;
-
- -m) mode=$2
- case $mode in
- *' '* | *' '* | *'
-'* | *'*'* | *'?'* | *'['*)
- echo "$0: invalid mode: $mode" >&2
- exit 1;;
- esac
- shift;;
-
- -o) chowncmd="$chownprog $2"
- shift;;
-
- -s) stripcmd=$stripprog;;
-
- -t) dst_arg=$2
- shift;;
-
- -T) no_target_directory=true;;
-
- --version) echo "$0 $scriptversion"; exit $?;;
-
- --) shift
- break;;
-
- -*) echo "$0: invalid option: $1" >&2
- exit 1;;
-
- *) break;;
- esac
- shift
-done
-
-if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
- # When -d is used, all remaining arguments are directories to create.
- # When -t is used, the destination is already specified.
- # Otherwise, the last argument is the destination. Remove it from $@.
- for arg
- do
- if test -n "$dst_arg"; then
- # $@ is not empty: it contains at least $arg.
- set fnord "$@" "$dst_arg"
- shift # fnord
- fi
- shift # arg
- dst_arg=$arg
- done
-fi
-
-if test $# -eq 0; then
- if test -z "$dir_arg"; then
- echo "$0: no input file specified." >&2
- exit 1
- fi
- # It's OK to call `install-sh -d' without argument.
- # This can happen when creating conditional directories.
- exit 0
-fi
-
-if test -z "$dir_arg"; then
- trap '(exit $?); exit' 1 2 13 15
-
- # Set umask so as not to create temps with too-generous modes.
- # However, 'strip' requires both read and write access to temps.
- case $mode in
- # Optimize common cases.
- *644) cp_umask=133;;
- *755) cp_umask=22;;
-
- *[0-7])
- if test -z "$stripcmd"; then
- u_plus_rw=
- else
- u_plus_rw='% 200'
- fi
- cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
- *)
- if test -z "$stripcmd"; then
- u_plus_rw=
- else
- u_plus_rw=,u+rw
- fi
- cp_umask=$mode$u_plus_rw;;
- esac
-fi
-
-for src
-do
- # Protect names starting with `-'.
- case $src in
- -*) src=./$src;;
- esac
-
- if test -n "$dir_arg"; then
- dst=$src
- dstdir=$dst
- test -d "$dstdir"
- dstdir_status=$?
- else
-
- # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
- # might cause directories to be created, which would be especially bad
- # if $src (and thus $dsttmp) contains '*'.
- if test ! -f "$src" && test ! -d "$src"; then
- echo "$0: $src does not exist." >&2
- exit 1
- fi
-
- if test -z "$dst_arg"; then
- echo "$0: no destination specified." >&2
- exit 1
- fi
-
- dst=$dst_arg
- # Protect names starting with `-'.
- case $dst in
- -*) dst=./$dst;;
- esac
-
- # If destination is a directory, append the input filename; won't work
- # if double slashes aren't ignored.
- if test -d "$dst"; then
- if test -n "$no_target_directory"; then
- echo "$0: $dst_arg: Is a directory" >&2
- exit 1
- fi
- dstdir=$dst
- dst=$dstdir/`basename "$src"`
- dstdir_status=0
- else
- # Prefer dirname, but fall back on a substitute if dirname fails.
- dstdir=`
- (dirname "$dst") 2>/dev/null ||
- expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
- X"$dst" : 'X\(//\)[^/]' \| \
- X"$dst" : 'X\(//\)$' \| \
- X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
- echo X"$dst" |
- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
- s//\1/
- q
- }
- /^X\(\/\/\)[^/].*/{
- s//\1/
- q
- }
- /^X\(\/\/\)$/{
- s//\1/
- q
- }
- /^X\(\/\).*/{
- s//\1/
- q
- }
- s/.*/./; q'
- `
-
- test -d "$dstdir"
- dstdir_status=$?
- fi
- fi
-
- obsolete_mkdir_used=false
-
- if test $dstdir_status != 0; then
- case $posix_mkdir in
- '')
- # Create intermediate dirs using mode 755 as modified by the umask.
- # This is like FreeBSD 'install' as of 1997-10-28.
- umask=`umask`
- case $stripcmd.$umask in
- # Optimize common cases.
- *[2367][2367]) mkdir_umask=$umask;;
- .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
-
- *[0-7])
- mkdir_umask=`expr $umask + 22 \
- - $umask % 100 % 40 + $umask % 20 \
- - $umask % 10 % 4 + $umask % 2
- `;;
- *) mkdir_umask=$umask,go-w;;
- esac
-
- # With -d, create the new directory with the user-specified mode.
- # Otherwise, rely on $mkdir_umask.
- if test -n "$dir_arg"; then
- mkdir_mode=-m$mode
- else
- mkdir_mode=
- fi
-
- posix_mkdir=false
- case $umask in
- *[123567][0-7][0-7])
- # POSIX mkdir -p sets u+wx bits regardless of umask, which
- # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
- ;;
- *)
- tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
- trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
-
- if (umask $mkdir_umask &&
- exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
- then
- if test -z "$dir_arg" || {
- # Check for POSIX incompatibilities with -m.
- # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
- # other-writeable bit of parent directory when it shouldn't.
- # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
- ls_ld_tmpdir=`ls -ld "$tmpdir"`
- case $ls_ld_tmpdir in
- d????-?r-*) different_mode=700;;
- d????-?--*) different_mode=755;;
- *) false;;
- esac &&
- $mkdirprog -m$different_mode -p -- "$tmpdir" && {
- ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
- test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
- }
- }
- then posix_mkdir=:
- fi
- rmdir "$tmpdir/d" "$tmpdir"
- else
- # Remove any dirs left behind by ancient mkdir implementations.
- rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
- fi
- trap '' 0;;
- esac;;
- esac
-
- if
- $posix_mkdir && (
- umask $mkdir_umask &&
- $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
- )
- then :
- else
-
- # The umask is ridiculous, or mkdir does not conform to POSIX,
- # or it failed possibly due to a race condition. Create the
- # directory the slow way, step by step, checking for races as we go.
-
- case $dstdir in
- /*) prefix='/';;
- -*) prefix='./';;
- *) prefix='';;
- esac
-
- eval "$initialize_posix_glob"
-
- oIFS=$IFS
- IFS=/
- $posix_glob set -f
- set fnord $dstdir
- shift
- $posix_glob set +f
- IFS=$oIFS
-
- prefixes=
-
- for d
- do
- test -z "$d" && continue
-
- prefix=$prefix$d
- if test -d "$prefix"; then
- prefixes=
- else
- if $posix_mkdir; then
- (umask=$mkdir_umask &&
- $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
- # Don't fail if two instances are running concurrently.
- test -d "$prefix" || exit 1
- else
- case $prefix in
- *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
- *) qprefix=$prefix;;
- esac
- prefixes="$prefixes '$qprefix'"
- fi
- fi
- prefix=$prefix/
- done
-
- if test -n "$prefixes"; then
- # Don't fail if two instances are running concurrently.
- (umask $mkdir_umask &&
- eval "\$doit_exec \$mkdirprog $prefixes") ||
- test -d "$dstdir" || exit 1
- obsolete_mkdir_used=true
- fi
- fi
- fi
-
- if test -n "$dir_arg"; then
- { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
- { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
- { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
- test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
- else
-
- # Make a couple of temp file names in the proper directory.
- dsttmp=$dstdir/_inst.$$_
- rmtmp=$dstdir/_rm.$$_
-
- # Trap to clean up those temp files at exit.
- trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
-
- # Copy the file name to the temp name.
- (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
-
- # and set any options; do chmod last to preserve setuid bits.
- #
- # If any of these fail, we abort the whole thing. If we want to
- # ignore errors from any of these, just make sure not to ignore
- # errors from the above "$doit $cpprog $src $dsttmp" command.
- #
- { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
- { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
- { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
- { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
-
- # If -C, don't bother to copy if it wouldn't change the file.
- if $copy_on_change &&
- old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
- new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
-
- eval "$initialize_posix_glob" &&
- $posix_glob set -f &&
- set X $old && old=:$2:$4:$5:$6 &&
- set X $new && new=:$2:$4:$5:$6 &&
- $posix_glob set +f &&
-
- test "$old" = "$new" &&
- $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
- then
- rm -f "$dsttmp"
- else
- # Rename the file to the real destination.
- $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
-
- # The rename failed, perhaps because mv can't rename something else
- # to itself, or perhaps because mv is so ancient that it does not
- # support -f.
- {
- # Now remove or move aside any old file at destination location.
- # We try this two ways since rm can't unlink itself on some
- # systems and the destination file might be busy for other
- # reasons. In this case, the final cleanup might fail but the new
- # file should still install successfully.
- {
- test ! -f "$dst" ||
- $doit $rmcmd -f "$dst" 2>/dev/null ||
- { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
- { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
- } ||
- { echo "$0: cannot unlink or rename $dst" >&2
- (exit 1); exit 1
- }
- } &&
-
- # Now rename the file to the real destination.
- $doit $mvcmd "$dsttmp" "$dst"
- }
- fi || exit 1
-
- trap '' 0
- fi
-done
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
-# End:
+++ /dev/null
-libpng.txt - A description on how to use and modify libpng
-
- libpng version 1.2.37 - June 4, 2009
- Updated and distributed by Glenn Randers-Pehrson
- <glennrp at users.sourceforge.net>
- Copyright (c) 1998-2009 Glenn Randers-Pehrson
- For conditions of distribution and use, see copyright
- notice in png.h.
-
- Based on:
-
- libpng versions 0.97, January 1998, through 1.2.37 - June 4, 2009
- Updated and distributed by Glenn Randers-Pehrson
- Copyright (c) 1998-2009 Glenn Randers-Pehrson
-
- libpng 1.0 beta 6 version 0.96 May 28, 1997
- Updated and distributed by Andreas Dilger
- Copyright (c) 1996, 1997 Andreas Dilger
-
- libpng 1.0 beta 2 - version 0.88 January 26, 1996
- For conditions of distribution and use, see copyright
- notice in png.h. Copyright (c) 1995, 1996 Guy Eric
- Schalnat, Group 42, Inc.
-
- Updated/rewritten per request in the libpng FAQ
- Copyright (c) 1995, 1996 Frank J. T. Wojcik
- December 18, 1995 & January 20, 1996
-
-I. Introduction
-
-This file describes how to use and modify the PNG reference library
-(known as libpng) for your own use. There are five sections to this
-file: introduction, structures, reading, writing, and modification and
-configuration notes for various special platforms. In addition to this
-file, example.c is a good starting point for using the library, as
-it is heavily commented and should include everything most people
-will need. We assume that libpng is already installed; see the
-INSTALL file for instructions on how to install libpng.
-
-For examples of libpng usage, see the files "example.c", "pngtest.c",
-and the files in the "contrib" directory, all of which are included in the
-libpng distribution.
-
-Libpng was written as a companion to the PNG specification, as a way
-of reducing the amount of time and effort it takes to support the PNG
-file format in application programs.
-
-The PNG specification (second edition), November 2003, is available as
-a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2003 (E)) at
-<http://www.w3.org/TR/2003/REC-PNG-20031110/
-The W3C and ISO documents have identical technical content.
-
-The PNG-1.2 specification is available at
-<http://www.libpng.org/pub/png/documents/>. It is technically equivalent
-to the PNG specification (second edition) but has some additional material.
-
-The PNG-1.0 specification is available
-as RFC 2083 <http://www.libpng.org/pub/png/documents/> and as a
-W3C Recommendation <http://www.w3.org/TR/REC.png.html>.
-
-Some additional chunks are described in the special-purpose public chunks
-documents at <http://www.libpng.org/pub/png/documents/>.
-
-Other information
-about PNG, and the latest version of libpng, can be found at the PNG home
-page, <http://www.libpng.org/pub/png/>.
-
-Most users will not have to modify the library significantly; advanced
-users may want to modify it more. All attempts were made to make it as
-complete as possible, while keeping the code easy to understand.
-Currently, this library only supports C. Support for other languages
-is being considered.
-
-Libpng has been designed to handle multiple sessions at one time,
-to be easily modifiable, to be portable to the vast majority of
-machines (ANSI, K&R, 16-, 32-, and 64-bit) available, and to be easy
-to use. The ultimate goal of libpng is to promote the acceptance of
-the PNG file format in whatever way possible. While there is still
-work to be done (see the TODO file), libpng should cover the
-majority of the needs of its users.
-
-Libpng uses zlib for its compression and decompression of PNG files.
-Further information about zlib, and the latest version of zlib, can
-be found at the zlib home page, <http://www.info-zip.org/pub/infozip/zlib/>.
-The zlib compression utility is a general purpose utility that is
-useful for more than PNG files, and can be used without libpng.
-See the documentation delivered with zlib for more details.
-You can usually find the source files for the zlib utility wherever you
-find the libpng source files.
-
-Libpng is thread safe, provided the threads are using different
-instances of the structures. Each thread should have its own
-png_struct and png_info instances, and thus its own image.
-Libpng does not protect itself against two threads using the
-same instance of a structure.
-
-II. Structures
-
-There are two main structures that are important to libpng, png_struct
-and png_info. The first, png_struct, is an internal structure that
-will not, for the most part, be used by a user except as the first
-variable passed to every libpng function call.
-
-The png_info structure is designed to provide information about the
-PNG file. At one time, the fields of png_info were intended to be
-directly accessible to the user. However, this tended to cause problems
-with applications using dynamically loaded libraries, and as a result
-a set of interface functions for png_info (the png_get_*() and png_set_*()
-functions) was developed. The fields of png_info are still available for
-older applications, but it is suggested that applications use the new
-interfaces if at all possible.
-
-Applications that do make direct access to the members of png_struct (except
-for png_ptr->jmpbuf) must be recompiled whenever the library is updated,
-and applications that make direct access to the members of png_info must
-be recompiled if they were compiled or loaded with libpng version 1.0.6,
-in which the members were in a different order. In version 1.0.7, the
-members of the png_info structure reverted to the old order, as they were
-in versions 0.97c through 1.0.5. Starting with version 2.0.0, both
-structures are going to be hidden, and the contents of the structures will
-only be accessible through the png_get/png_set functions.
-
-The png.h header file is an invaluable reference for programming with libpng.
-And while I'm on the topic, make sure you include the libpng header file:
-
-#include <png.h>
-
-III. Reading
-
-We'll now walk you through the possible functions to call when reading
-in a PNG file sequentially, briefly explaining the syntax and purpose
-of each one. See example.c and png.h for more detail. While
-progressive reading is covered in the next section, you will still
-need some of the functions discussed in this section to read a PNG
-file.
-
-Setup
-
-You will want to do the I/O initialization(*) before you get into libpng,
-so if it doesn't work, you don't have much to undo. Of course, you
-will also want to insure that you are, in fact, dealing with a PNG
-file. Libpng provides a simple check to see if a file is a PNG file.
-To use it, pass in the first 1 to 8 bytes of the file to the function
-png_sig_cmp(), and it will return 0 (false) if the bytes match the
-corresponding bytes of the PNG signature, or nonzero (true) otherwise.
-Of course, the more bytes you pass in, the greater the accuracy of the
-prediction.
-
-If you are intending to keep the file pointer open for use in libpng,
-you must ensure you don't read more than 8 bytes from the beginning
-of the file, and you also have to make a call to png_set_sig_bytes_read()
-with the number of bytes you read from the beginning. Libpng will
-then only check the bytes (if any) that your program didn't read.
-
-(*): If you are not using the standard I/O functions, you will need
-to replace them with custom functions. See the discussion under
-Customizing libpng.
-
-
- FILE *fp = fopen(file_name, "rb");
- if (!fp)
- {
- return (ERROR);
- }
- fread(header, 1, number, fp);
- is_png = !png_sig_cmp(header, 0, number);
- if (!is_png)
- {
- return (NOT_PNG);
- }
-
-
-Next, png_struct and png_info need to be allocated and initialized. In
-order to ensure that the size of these structures is correct even with a
-dynamically linked libpng, there are functions to initialize and
-allocate the structures. We also pass the library version, optional
-pointers to error handling functions, and a pointer to a data struct for
-use by the error functions, if necessary (the pointer and functions can
-be NULL if the default error handlers are to be used). See the section
-on Changes to Libpng below regarding the old initialization functions.
-The structure allocation functions quietly return NULL if they fail to
-create the structure, so your application should check for that.
-
- png_structp png_ptr = png_create_read_struct
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn);
- if (!png_ptr)
- return (ERROR);
-
- png_infop info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr)
- {
- png_destroy_read_struct(&png_ptr,
- (png_infopp)NULL, (png_infopp)NULL);
- return (ERROR);
- }
-
- png_infop end_info = png_create_info_struct(png_ptr);
- if (!end_info)
- {
- png_destroy_read_struct(&png_ptr, &info_ptr,
- (png_infopp)NULL);
- return (ERROR);
- }
-
-If you want to use your own memory allocation routines,
-define PNG_USER_MEM_SUPPORTED and use
-png_create_read_struct_2() instead of png_create_read_struct():
-
- png_structp png_ptr = png_create_read_struct_2
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn, (png_voidp)
- user_mem_ptr, user_malloc_fn, user_free_fn);
-
-The error handling routines passed to png_create_read_struct()
-and the memory alloc/free routines passed to png_create_struct_2()
-are only necessary if you are not using the libpng supplied error
-handling and memory alloc/free functions.
-
-When libpng encounters an error, it expects to longjmp back
-to your routine. Therefore, you will need to call setjmp and pass
-your png_jmpbuf(png_ptr). If you read the file from different
-routines, you will need to update the jmpbuf field every time you enter
-a new routine that will call a png_*() function.
-
-See your documentation of setjmp/longjmp for your compiler for more
-information on setjmp/longjmp. See the discussion on libpng error
-handling in the Customizing Libpng section below for more information
-on the libpng error handling. If an error occurs, and libpng longjmp's
-back to your setjmp, you will want to call png_destroy_read_struct() to
-free any memory.
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct(&png_ptr, &info_ptr,
- &end_info);
- fclose(fp);
- return (ERROR);
- }
-
-If you would rather avoid the complexity of setjmp/longjmp issues,
-you can compile libpng with PNG_SETJMP_NOT_SUPPORTED, in which case
-errors will result in a call to PNG_ABORT() which defaults to abort().
-
-Now you need to set up the input code. The default for libpng is to
-use the C function fread(). If you use this, you will need to pass a
-valid FILE * in the function png_init_io(). Be sure that the file is
-opened in binary mode. If you wish to handle reading data in another
-way, you need not call the png_init_io() function, but you must then
-implement the libpng I/O methods discussed in the Customizing Libpng
-section below.
-
- png_init_io(png_ptr, fp);
-
-If you had previously opened the file and read any of the signature from
-the beginning in order to see if this was a PNG file, you need to let
-libpng know that there are some bytes missing from the start of the file.
-
- png_set_sig_bytes(png_ptr, number);
-
-Setting up callback code
-
-You can set up a callback function to handle any unknown chunks in the
-input stream. You must supply the function
-
- read_chunk_callback(png_ptr ptr,
- png_unknown_chunkp chunk);
- {
- /* The unknown chunk structure contains your
- chunk data, along with similar data for any other
- unknown chunks: */
-
- png_byte name[5];
- png_byte *data;
- png_size_t size;
-
- /* Note that libpng has already taken care of
- the CRC handling */
-
- /* put your code here. Search for your chunk in the
- unknown chunk structure, process it, and return one
- of the following: */
-
- return (-n); /* chunk had an error */
- return (0); /* did not recognize */
- return (n); /* success */
- }
-
-(You can give your function another name that you like instead of
-"read_chunk_callback")
-
-To inform libpng about your function, use
-
- png_set_read_user_chunk_fn(png_ptr, user_chunk_ptr,
- read_chunk_callback);
-
-This names not only the callback function, but also a user pointer that
-you can retrieve with
-
- png_get_user_chunk_ptr(png_ptr);
-
-If you call the png_set_read_user_chunk_fn() function, then all unknown
-chunks will be saved when read, in case your callback function will need
-one or more of them. This behavior can be changed with the
-png_set_keep_unknown_chunks() function, described below.
-
-At this point, you can set up a callback function that will be
-called after each row has been read, which you can use to control
-a progress meter or the like. It's demonstrated in pngtest.c.
-You must supply a function
-
- void read_row_callback(png_ptr ptr, png_uint_32 row,
- int pass);
- {
- /* put your code here */
- }
-
-(You can give it another name that you like instead of "read_row_callback")
-
-To inform libpng about your function, use
-
- png_set_read_status_fn(png_ptr, read_row_callback);
-
-Width and height limits
-
-The PNG specification allows the width and height of an image to be as
-large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
-Since very few applications really need to process such large images,
-we have imposed an arbitrary 1-million limit on rows and columns.
-Larger images will be rejected immediately with a png_error() call. If
-you wish to override this limit, you can use
-
- png_set_user_limits(png_ptr, width_max, height_max);
-
-to set your own limits, or use width_max = height_max = 0x7fffffffL
-to allow all valid dimensions (libpng may reject some very large images
-anyway because of potential buffer overflow conditions).
-
-You should put this statement after you create the PNG structure and
-before calling png_read_info(), png_read_png(), or png_process_data().
-If you need to retrieve the limits that are being applied, use
-
- width_max = png_get_user_width_max(png_ptr);
- height_max = png_get_user_height_max(png_ptr);
-
-Unknown-chunk handling
-
-Now you get to set the way the library processes unknown chunks in the
-input PNG stream. Both known and unknown chunks will be read. Normal
-behavior is that known chunks will be parsed into information in
-various info_ptr members while unknown chunks will be discarded. This
-behavior can be wasteful if your application will never use some known
-chunk types. To change this, you can call:
-
- png_set_keep_unknown_chunks(png_ptr, keep,
- chunk_list, num_chunks);
- keep - 0: default unknown chunk handling
- 1: ignore; do not keep
- 2: keep only if safe-to-copy
- 3: keep even if unsafe-to-copy
- You can use these definitions:
- PNG_HANDLE_CHUNK_AS_DEFAULT 0
- PNG_HANDLE_CHUNK_NEVER 1
- PNG_HANDLE_CHUNK_IF_SAFE 2
- PNG_HANDLE_CHUNK_ALWAYS 3
- chunk_list - list of chunks affected (a byte string,
- five bytes per chunk, NULL or '\0' if
- num_chunks is 0)
- num_chunks - number of chunks affected; if 0, all
- unknown chunks are affected. If nonzero,
- only the chunks in the list are affected
-
-Unknown chunks declared in this way will be saved as raw data onto a
-list of png_unknown_chunk structures. If a chunk that is normally
-known to libpng is named in the list, it will be handled as unknown,
-according to the "keep" directive. If a chunk is named in successive
-instances of png_set_keep_unknown_chunks(), the final instance will
-take precedence. The IHDR and IEND chunks should not be named in
-chunk_list; if they are, libpng will process them normally anyway.
-
-Here is an example of the usage of png_set_keep_unknown_chunks(),
-where the private "vpAg" chunk will later be processed by a user chunk
-callback function:
-
- png_byte vpAg[5]={118, 112, 65, 103, (png_byte) '\0'};
-
- #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- png_byte unused_chunks[]=
- {
- 104, 73, 83, 84, (png_byte) '\0', /* hIST */
- 105, 84, 88, 116, (png_byte) '\0', /* iTXt */
- 112, 67, 65, 76, (png_byte) '\0', /* pCAL */
- 115, 67, 65, 76, (png_byte) '\0', /* sCAL */
- 115, 80, 76, 84, (png_byte) '\0', /* sPLT */
- 116, 73, 77, 69, (png_byte) '\0', /* tIME */
- };
- #endif
-
- ...
-
- #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- /* ignore all unknown chunks: */
- png_set_keep_unknown_chunks(read_ptr, 1, NULL, 0);
- /* except for vpAg: */
- png_set_keep_unknown_chunks(read_ptr, 2, vpAg, 1);
- /* also ignore unused known chunks: */
- png_set_keep_unknown_chunks(read_ptr, 1, unused_chunks,
- (int)sizeof(unused_chunks)/5);
- #endif
-
-User limits
-
-The PNG specification allows the width and height of an image to be as
-large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
-Since very few applications really need to process such large images,
-we have imposed an arbitrary 1-million limit on rows and columns.
-Larger images will be rejected immediately with a png_error() call. If
-you wish to override this limit, you can use
-
- png_set_user_limits(png_ptr, width_max, height_max);
-
-to set your own limits, or use width_max = height_max = 0x7fffffffL
-to allow all valid dimensions (libpng may reject some very large images
-anyway because of potential buffer overflow conditions).
-
-You should put this statement after you create the PNG structure and
-before calling png_read_info(), png_read_png(), or png_process_data().
-If you need to retrieve the limits that are being applied, use
-
- width_max = png_get_user_width_max(png_ptr);
- height_max = png_get_user_height_max(png_ptr);
-
-The high-level read interface
-
-At this point there are two ways to proceed; through the high-level
-read interface, or through a sequence of low-level read operations.
-You can use the high-level interface if (a) you are willing to read
-the entire image into memory, and (b) the input transformations
-you want to do are limited to the following set:
-
- PNG_TRANSFORM_IDENTITY No transformation
- PNG_TRANSFORM_STRIP_16 Strip 16-bit samples to
- 8 bits
- PNG_TRANSFORM_STRIP_ALPHA Discard the alpha channel
- PNG_TRANSFORM_PACKING Expand 1, 2 and 4-bit
- samples to bytes
- PNG_TRANSFORM_PACKSWAP Change order of packed
- pixels to LSB first
- PNG_TRANSFORM_EXPAND Perform set_expand()
- PNG_TRANSFORM_INVERT_MONO Invert monochrome images
- PNG_TRANSFORM_SHIFT Normalize pixels to the
- sBIT depth
- PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA
- to BGRA
- PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA
- to AG
- PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity
- to transparency
- PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples
-
-(This excludes setting a background color, doing gamma transformation,
-dithering, and setting filler.) If this is the case, simply do this:
-
- png_read_png(png_ptr, info_ptr, png_transforms, NULL)
-
-where png_transforms is an integer containing the bitwise OR of
-some set of transformation flags. This call is equivalent to png_read_info(),
-followed the set of transformations indicated by the transform mask,
-then png_read_image(), and finally png_read_end().
-
-(The final parameter of this call is not yet used. Someday it might point
-to transformation parameters required by some future input transform.)
-
-You must use png_transforms and not call any png_set_transform() functions
-when you use png_read_png().
-
-After you have called png_read_png(), you can retrieve the image data
-with
-
- row_pointers = png_get_rows(png_ptr, info_ptr);
-
-where row_pointers is an array of pointers to the pixel data for each row:
-
- png_bytep row_pointers[height];
-
-If you know your image size and pixel size ahead of time, you can allocate
-row_pointers prior to calling png_read_png() with
-
- if (height > PNG_UINT_32_MAX/png_sizeof(png_byte))
- png_error (png_ptr,
- "Image is too tall to process in memory");
- if (width > PNG_UINT_32_MAX/pixel_size)
- png_error (png_ptr,
- "Image is too wide to process in memory");
- row_pointers = png_malloc(png_ptr,
- height*png_sizeof(png_bytep));
- for (int i=0; i<height, i++)
- row_pointers[i]=NULL; /* security precaution */
- for (int i=0; i<height, i++)
- row_pointers[i]=png_malloc(png_ptr,
- width*pixel_size);
- png_set_rows(png_ptr, info_ptr, &row_pointers);
-
-Alternatively you could allocate your image in one big block and define
-row_pointers[i] to point into the proper places in your block.
-
-If you use png_set_rows(), the application is responsible for freeing
-row_pointers (and row_pointers[i], if they were separately allocated).
-
-If you don't allocate row_pointers ahead of time, png_read_png() will
-do it, and it'll be free'ed when you call png_destroy_*().
-
-The low-level read interface
-
-If you are going the low-level route, you are now ready to read all
-the file information up to the actual image data. You do this with a
-call to png_read_info().
-
- png_read_info(png_ptr, info_ptr);
-
-This will process all chunks up to but not including the image data.
-
-Querying the info structure
-
-Functions are used to get the information from the info_ptr once it
-has been read. Note that these fields may not be completely filled
-in until png_read_end() has read the chunk data following the image.
-
- png_get_IHDR(png_ptr, info_ptr, &width, &height,
- &bit_depth, &color_type, &interlace_type,
- &compression_type, &filter_method);
-
- width - holds the width of the image
- in pixels (up to 2^31).
- height - holds the height of the image
- in pixels (up to 2^31).
- bit_depth - holds the bit depth of one of the
- image channels. (valid values are
- 1, 2, 4, 8, 16 and depend also on
- the color_type. See also
- significant bits (sBIT) below).
- color_type - describes which color/alpha channels
- are present.
- PNG_COLOR_TYPE_GRAY
- (bit depths 1, 2, 4, 8, 16)
- PNG_COLOR_TYPE_GRAY_ALPHA
- (bit depths 8, 16)
- PNG_COLOR_TYPE_PALETTE
- (bit depths 1, 2, 4, 8)
- PNG_COLOR_TYPE_RGB
- (bit_depths 8, 16)
- PNG_COLOR_TYPE_RGB_ALPHA
- (bit_depths 8, 16)
-
- PNG_COLOR_MASK_PALETTE
- PNG_COLOR_MASK_COLOR
- PNG_COLOR_MASK_ALPHA
-
- filter_method - (must be PNG_FILTER_TYPE_BASE
- for PNG 1.0, and can also be
- PNG_INTRAPIXEL_DIFFERENCING if
- the PNG datastream is embedded in
- a MNG-1.0 datastream)
- compression_type - (must be PNG_COMPRESSION_TYPE_BASE
- for PNG 1.0)
- interlace_type - (PNG_INTERLACE_NONE or
- PNG_INTERLACE_ADAM7)
- Any or all of interlace_type, compression_type, of
- filter_method can be NULL if you are
- not interested in their values.
-
- channels = png_get_channels(png_ptr, info_ptr);
- channels - number of channels of info for the
- color type (valid values are 1 (GRAY,
- PALETTE), 2 (GRAY_ALPHA), 3 (RGB),
- 4 (RGB_ALPHA or RGB + filler byte))
- rowbytes = png_get_rowbytes(png_ptr, info_ptr);
- rowbytes - number of bytes needed to hold a row
-
- signature = png_get_signature(png_ptr, info_ptr);
- signature - holds the signature read from the
- file (if any). The data is kept in
- the same offset it would be if the
- whole signature were read (i.e. if an
- application had already read in 4
- bytes of signature before starting
- libpng, the remaining 4 bytes would
- be in signature[4] through signature[7]
- (see png_set_sig_bytes())).
-
-
- width = png_get_image_width(png_ptr,
- info_ptr);
- height = png_get_image_height(png_ptr,
- info_ptr);
- bit_depth = png_get_bit_depth(png_ptr,
- info_ptr);
- color_type = png_get_color_type(png_ptr,
- info_ptr);
- filter_method = png_get_filter_type(png_ptr,
- info_ptr);
- compression_type = png_get_compression_type(png_ptr,
- info_ptr);
- interlace_type = png_get_interlace_type(png_ptr,
- info_ptr);
-
-
-These are also important, but their validity depends on whether the chunk
-has been read. The png_get_valid(png_ptr, info_ptr, PNG_INFO_<chunk>) and
-png_get_<chunk>(png_ptr, info_ptr, ...) functions return non-zero if the
-data has been read, or zero if it is missing. The parameters to the
-png_get_<chunk> are set directly if they are simple data types, or a pointer
-into the info_ptr is returned for any complex types.
-
- png_get_PLTE(png_ptr, info_ptr, &palette,
- &num_palette);
- palette - the palette for the file
- (array of png_color)
- num_palette - number of entries in the palette
-
- png_get_gAMA(png_ptr, info_ptr, &gamma);
- gamma - the gamma the file is written
- at (PNG_INFO_gAMA)
-
- png_get_sRGB(png_ptr, info_ptr, &srgb_intent);
- srgb_intent - the rendering intent (PNG_INFO_sRGB)
- The presence of the sRGB chunk
- means that the pixel data is in the
- sRGB color space. This chunk also
- implies specific values of gAMA and
- cHRM.
-
- png_get_iCCP(png_ptr, info_ptr, &name,
- &compression_type, &profile, &proflen);
- name - The profile name.
- compression - The compression type; always
- PNG_COMPRESSION_TYPE_BASE for PNG 1.0.
- You may give NULL to this argument to
- ignore it.
- profile - International Color Consortium color
- profile data. May contain NULs.
- proflen - length of profile data in bytes.
-
- png_get_sBIT(png_ptr, info_ptr, &sig_bit);
- sig_bit - the number of significant bits for
- (PNG_INFO_sBIT) each of the gray,
- red, green, and blue channels,
- whichever are appropriate for the
- given color type (png_color_16)
-
- png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans,
- &trans_values);
- trans - array of transparent entries for
- palette (PNG_INFO_tRNS)
- trans_values - graylevel or color sample values of
- the single transparent color for
- non-paletted images (PNG_INFO_tRNS)
- num_trans - number of transparent entries
- (PNG_INFO_tRNS)
-
- png_get_hIST(png_ptr, info_ptr, &hist);
- (PNG_INFO_hIST)
- hist - histogram of palette (array of
- png_uint_16)
-
- png_get_tIME(png_ptr, info_ptr, &mod_time);
- mod_time - time image was last modified
- (PNG_VALID_tIME)
-
- png_get_bKGD(png_ptr, info_ptr, &background);
- background - background color (PNG_VALID_bKGD)
- valid 16-bit red, green and blue
- values, regardless of color_type
-
- num_comments = png_get_text(png_ptr, info_ptr,
- &text_ptr, &num_text);
- num_comments - number of comments
- text_ptr - array of png_text holding image
- comments
- text_ptr[i].compression - type of compression used
- on "text" PNG_TEXT_COMPRESSION_NONE
- PNG_TEXT_COMPRESSION_zTXt
- PNG_ITXT_COMPRESSION_NONE
- PNG_ITXT_COMPRESSION_zTXt
- text_ptr[i].key - keyword for comment. Must contain
- 1-79 characters.
- text_ptr[i].text - text comments for current
- keyword. Can be empty.
- text_ptr[i].text_length - length of text string,
- after decompression, 0 for iTXt
- text_ptr[i].itxt_length - length of itxt string,
- after decompression, 0 for tEXt/zTXt
- text_ptr[i].lang - language of comment (empty
- string for unknown).
- text_ptr[i].lang_key - keyword in UTF-8
- (empty string for unknown).
- num_text - number of comments (same as
- num_comments; you can put NULL here
- to avoid the duplication)
- Note while png_set_text() will accept text, language,
- and translated keywords that can be NULL pointers, the
- structure returned by png_get_text will always contain
- regular zero-terminated C strings. They might be
- empty strings but they will never be NULL pointers.
-
- num_spalettes = png_get_sPLT(png_ptr, info_ptr,
- &palette_ptr);
- palette_ptr - array of palette structures holding
- contents of one or more sPLT chunks
- read.
- num_spalettes - number of sPLT chunks read.
-
- png_get_oFFs(png_ptr, info_ptr, &offset_x, &offset_y,
- &unit_type);
- offset_x - positive offset from the left edge
- of the screen
- offset_y - positive offset from the top edge
- of the screen
- unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER
-
- png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y,
- &unit_type);
- res_x - pixels/unit physical resolution in
- x direction
- res_y - pixels/unit physical resolution in
- x direction
- unit_type - PNG_RESOLUTION_UNKNOWN,
- PNG_RESOLUTION_METER
-
- png_get_sCAL(png_ptr, info_ptr, &unit, &width,
- &height)
- unit - physical scale units (an integer)
- width - width of a pixel in physical scale units
- height - height of a pixel in physical scale units
- (width and height are doubles)
-
- png_get_sCAL_s(png_ptr, info_ptr, &unit, &width,
- &height)
- unit - physical scale units (an integer)
- width - width of a pixel in physical scale units
- height - height of a pixel in physical scale units
- (width and height are strings like "2.54")
-
- num_unknown_chunks = png_get_unknown_chunks(png_ptr,
- info_ptr, &unknowns)
- unknowns - array of png_unknown_chunk
- structures holding unknown chunks
- unknowns[i].name - name of unknown chunk
- unknowns[i].data - data of unknown chunk
- unknowns[i].size - size of unknown chunk's data
- unknowns[i].location - position of chunk in file
-
- The value of "i" corresponds to the order in which the
- chunks were read from the PNG file or inserted with the
- png_set_unknown_chunks() function.
-
-The data from the pHYs chunk can be retrieved in several convenient
-forms:
-
- res_x = png_get_x_pixels_per_meter(png_ptr,
- info_ptr)
- res_y = png_get_y_pixels_per_meter(png_ptr,
- info_ptr)
- res_x_and_y = png_get_pixels_per_meter(png_ptr,
- info_ptr)
- res_x = png_get_x_pixels_per_inch(png_ptr,
- info_ptr)
- res_y = png_get_y_pixels_per_inch(png_ptr,
- info_ptr)
- res_x_and_y = png_get_pixels_per_inch(png_ptr,
- info_ptr)
- aspect_ratio = png_get_pixel_aspect_ratio(png_ptr,
- info_ptr)
-
- (Each of these returns 0 [signifying "unknown"] if
- the data is not present or if res_x is 0;
- res_x_and_y is 0 if res_x != res_y)
-
-The data from the oFFs chunk can be retrieved in several convenient
-forms:
-
- x_offset = png_get_x_offset_microns(png_ptr, info_ptr);
- y_offset = png_get_y_offset_microns(png_ptr, info_ptr);
- x_offset = png_get_x_offset_inches(png_ptr, info_ptr);
- y_offset = png_get_y_offset_inches(png_ptr, info_ptr);
-
- (Each of these returns 0 [signifying "unknown" if both
- x and y are 0] if the data is not present or if the
- chunk is present but the unit is the pixel)
-
-For more information, see the png_info definition in png.h and the
-PNG specification for chunk contents. Be careful with trusting
-rowbytes, as some of the transformations could increase the space
-needed to hold a row (expand, filler, gray_to_rgb, etc.).
-See png_read_update_info(), below.
-
-A quick word about text_ptr and num_text. PNG stores comments in
-keyword/text pairs, one pair per chunk, with no limit on the number
-of text chunks, and a 2^31 byte limit on their size. While there are
-suggested keywords, there is no requirement to restrict the use to these
-strings. It is strongly suggested that keywords and text be sensible
-to humans (that's the point), so don't use abbreviations. Non-printing
-symbols are not allowed. See the PNG specification for more details.
-There is also no requirement to have text after the keyword.
-
-Keywords should be limited to 79 Latin-1 characters without leading or
-trailing spaces, but non-consecutive spaces are allowed within the
-keyword. It is possible to have the same keyword any number of times.
-The text_ptr is an array of png_text structures, each holding a
-pointer to a language string, a pointer to a keyword and a pointer to
-a text string. The text string, language code, and translated
-keyword may be empty or NULL pointers. The keyword/text
-pairs are put into the array in the order that they are received.
-However, some or all of the text chunks may be after the image, so, to
-make sure you have read all the text chunks, don't mess with these
-until after you read the stuff after the image. This will be
-mentioned again below in the discussion that goes with png_read_end().
-
-Input transformations
-
-After you've read the header information, you can set up the library
-to handle any special transformations of the image data. The various
-ways to transform the data will be described in the order that they
-should occur. This is important, as some of these change the color
-type and/or bit depth of the data, and some others only work on
-certain color types and bit depths. Even though each transformation
-checks to see if it has data that it can do something with, you should
-make sure to only enable a transformation if it will be valid for the
-data. For example, don't swap red and blue on grayscale data.
-
-The colors used for the background and transparency values should be
-supplied in the same format/depth as the current image data. They
-are stored in the same format/depth as the image data in a bKGD or tRNS
-chunk, so this is what libpng expects for this data. The colors are
-transformed to keep in sync with the image data when an application
-calls the png_read_update_info() routine (see below).
-
-Data will be decoded into the supplied row buffers packed into bytes
-unless the library has been told to transform it into another format.
-For example, 4 bit/pixel paletted or grayscale data will be returned
-2 pixels/byte with the leftmost pixel in the high-order bits of the
-byte, unless png_set_packing() is called. 8-bit RGB data will be stored
-in RGB RGB RGB format unless png_set_filler() or png_set_add_alpha()
-is called to insert filler bytes, either before or after each RGB triplet.
-16-bit RGB data will be returned RRGGBB RRGGBB, with the most significant
-byte of the color value first, unless png_set_strip_16() is called to
-transform it to regular RGB RGB triplets, or png_set_filler() or
-png_set_add alpha() is called to insert filler bytes, either before or
-after each RRGGBB triplet. Similarly, 8-bit or 16-bit grayscale data can
-be modified with
-png_set_filler(), png_set_add_alpha(), or png_set_strip_16().
-
-The following code transforms grayscale images of less than 8 to 8 bits,
-changes paletted images to RGB, and adds a full alpha channel if there is
-transparency information in a tRNS chunk. This is most useful on
-grayscale images with bit depths of 2 or 4 or if there is a multiple-image
-viewing application that wishes to treat all images in the same way.
-
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- png_set_palette_to_rgb(png_ptr);
-
- if (color_type == PNG_COLOR_TYPE_GRAY &&
- bit_depth < 8) png_set_expand_gray_1_2_4_to_8(png_ptr);
-
- if (png_get_valid(png_ptr, info_ptr,
- PNG_INFO_tRNS)) png_set_tRNS_to_alpha(png_ptr);
-
-These three functions are actually aliases for png_set_expand(), added
-in libpng version 1.0.4, with the function names expanded to improve code
-readability. In some future version they may actually do different
-things.
-
-As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
-added. It expands the sample depth without changing tRNS to alpha.
-
-PNG can have files with 16 bits per channel. If you only can handle
-8 bits per channel, this will strip the pixels down to 8 bit.
-
- if (bit_depth == 16)
- png_set_strip_16(png_ptr);
-
-If, for some reason, you don't need the alpha channel on an image,
-and you want to remove it rather than combining it with the background
-(but the image author certainly had in mind that you *would* combine
-it with the background, so that's what you should probably do):
-
- if (color_type & PNG_COLOR_MASK_ALPHA)
- png_set_strip_alpha(png_ptr);
-
-In PNG files, the alpha channel in an image
-is the level of opacity. If you need the alpha channel in an image to
-be the level of transparency instead of opacity, you can invert the
-alpha channel (or the tRNS chunk data) after it's read, so that 0 is
-fully opaque and 255 (in 8-bit or paletted images) or 65535 (in 16-bit
-images) is fully transparent, with
-
- png_set_invert_alpha(png_ptr);
-
-PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as
-they can, resulting in, for example, 8 pixels per byte for 1 bit
-files. This code expands to 1 pixel per byte without changing the
-values of the pixels:
-
- if (bit_depth < 8)
- png_set_packing(png_ptr);
-
-PNG files have possible bit depths of 1, 2, 4, 8, and 16. All pixels
-stored in a PNG image have been "scaled" or "shifted" up to the next
-higher possible bit depth (e.g. from 5 bits/sample in the range [0,31] to
-8 bits/sample in the range [0, 255]). However, it is also possible to
-convert the PNG pixel data back to the original bit depth of the image.
-This call reduces the pixels back down to the original bit depth:
-
- png_color_8p sig_bit;
-
- if (png_get_sBIT(png_ptr, info_ptr, &sig_bit))
- png_set_shift(png_ptr, sig_bit);
-
-PNG files store 3-color pixels in red, green, blue order. This code
-changes the storage of the pixels to blue, green, red:
-
- if (color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- png_set_bgr(png_ptr);
-
-PNG files store RGB pixels packed into 3 or 6 bytes. This code expands them
-into 4 or 8 bytes for windowing systems that need them in this format:
-
- if (color_type == PNG_COLOR_TYPE_RGB)
- png_set_filler(png_ptr, filler, PNG_FILLER_BEFORE);
-
-where "filler" is the 8 or 16-bit number to fill with, and the location is
-either PNG_FILLER_BEFORE or PNG_FILLER_AFTER, depending upon whether
-you want the filler before the RGB or after. This transformation
-does not affect images that already have full alpha channels. To add an
-opaque alpha channel, use filler=0xff or 0xffff and PNG_FILLER_AFTER which
-will generate RGBA pixels.
-
-Note that png_set_filler() does not change the color type. If you want
-to do that, you can add a true alpha channel with
-
- if (color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_GRAY)
- png_set_add_alpha(png_ptr, filler, PNG_FILLER_AFTER);
-
-where "filler" contains the alpha value to assign to each pixel.
-This function was added in libpng-1.2.7.
-
-If you are reading an image with an alpha channel, and you need the
-data as ARGB instead of the normal PNG format RGBA:
-
- if (color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- png_set_swap_alpha(png_ptr);
-
-For some uses, you may want a grayscale image to be represented as
-RGB. This code will do that conversion:
-
- if (color_type == PNG_COLOR_TYPE_GRAY ||
- color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- png_set_gray_to_rgb(png_ptr);
-
-Conversely, you can convert an RGB or RGBA image to grayscale or grayscale
-with alpha.
-
- if (color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- png_set_rgb_to_gray_fixed(png_ptr, error_action,
- int red_weight, int green_weight);
-
- error_action = 1: silently do the conversion
- error_action = 2: issue a warning if the original
- image has any pixel where
- red != green or red != blue
- error_action = 3: issue an error and abort the
- conversion if the original
- image has any pixel where
- red != green or red != blue
-
- red_weight: weight of red component times 100000
- green_weight: weight of green component times 100000
- If either weight is negative, default
- weights (21268, 71514) are used.
-
-If you have set error_action = 1 or 2, you can
-later check whether the image really was gray, after processing
-the image rows, with the png_get_rgb_to_gray_status(png_ptr) function.
-It will return a png_byte that is zero if the image was gray or
-1 if there were any non-gray pixels. bKGD and sBIT data
-will be silently converted to grayscale, using the green channel
-data, regardless of the error_action setting.
-
-With red_weight+green_weight<=100000,
-the normalized graylevel is computed:
-
- int rw = red_weight * 65536;
- int gw = green_weight * 65536;
- int bw = 65536 - (rw + gw);
- gray = (rw*red + gw*green + bw*blue)/65536;
-
-The default values approximate those recommended in the Charles
-Poynton's Color FAQ, <http://www.inforamp.net/~poynton/>
-Copyright (c) 1998-01-04 Charles Poynton <poynton at inforamp.net>
-
- Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
-
-Libpng approximates this with
-
- Y = 0.21268 * R + 0.7151 * G + 0.07217 * B
-
-which can be expressed with integers as
-
- Y = (6969 * R + 23434 * G + 2365 * B)/32768
-
-The calculation is done in a linear colorspace, if the image gamma
-is known.
-
-If you have a grayscale and you are using png_set_expand_depth(),
-png_set_expand(), or png_set_gray_to_rgb to change to truecolor or to
-a higher bit-depth, you must either supply the background color as a gray
-value at the original file bit-depth (need_expand = 1) or else supply the
-background color as an RGB triplet at the final, expanded bit depth
-(need_expand = 0). Similarly, if you are reading a paletted image, you
-must either supply the background color as a palette index (need_expand = 1)
-or as an RGB triplet that may or may not be in the palette (need_expand = 0).
-
- png_color_16 my_background;
- png_color_16p image_background;
-
- if (png_get_bKGD(png_ptr, info_ptr, &image_background))
- png_set_background(png_ptr, image_background,
- PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
- else
- png_set_background(png_ptr, &my_background,
- PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
-
-The png_set_background() function tells libpng to composite images
-with alpha or simple transparency against the supplied background
-color. If the PNG file contains a bKGD chunk (PNG_INFO_bKGD valid),
-you may use this color, or supply another color more suitable for
-the current display (e.g., the background color from a web page). You
-need to tell libpng whether the color is in the gamma space of the
-display (PNG_BACKGROUND_GAMMA_SCREEN for colors you supply), the file
-(PNG_BACKGROUND_GAMMA_FILE for colors from the bKGD chunk), or one
-that is neither of these gammas (PNG_BACKGROUND_GAMMA_UNIQUE - I don't
-know why anyone would use this, but it's here).
-
-To properly display PNG images on any kind of system, the application needs
-to know what the display gamma is. Ideally, the user will know this, and
-the application will allow them to set it. One method of allowing the user
-to set the display gamma separately for each system is to check for a
-SCREEN_GAMMA or DISPLAY_GAMMA environment variable, which will hopefully be
-correctly set.
-
-Note that display_gamma is the overall gamma correction required to produce
-pleasing results, which depends on the lighting conditions in the surrounding
-environment. In a dim or brightly lit room, no compensation other than
-the physical gamma exponent of the monitor is needed, while in a dark room
-a slightly smaller exponent is better.
-
- double gamma, screen_gamma;
-
- if (/* We have a user-defined screen
- gamma value */)
- {
- screen_gamma = user_defined_screen_gamma;
- }
- /* One way that applications can share the same
- screen gamma value */
- else if ((gamma_str = getenv("SCREEN_GAMMA"))
- != NULL)
- {
- screen_gamma = (double)atof(gamma_str);
- }
- /* If we don't have another value */
- else
- {
- screen_gamma = 2.2; /* A good guess for a
- PC monitor in a bright office or a dim room */
- screen_gamma = 2.0; /* A good guess for a
- PC monitor in a dark room */
- screen_gamma = 1.7 or 1.0; /* A good
- guess for Mac systems */
- }
-
-The png_set_gamma() function handles gamma transformations of the data.
-Pass both the file gamma and the current screen_gamma. If the file does
-not have a gamma value, you can pass one anyway if you have an idea what
-it is (usually 0.45455 is a good guess for GIF images on PCs). Note
-that file gammas are inverted from screen gammas. See the discussions
-on gamma in the PNG specification for an excellent description of what
-gamma is, and why all applications should support it. It is strongly
-recommended that PNG viewers support gamma correction.
-
- if (png_get_gAMA(png_ptr, info_ptr, &gamma))
- png_set_gamma(png_ptr, screen_gamma, gamma);
- else
- png_set_gamma(png_ptr, screen_gamma, 0.45455);
-
-If you need to reduce an RGB file to a paletted file, or if a paletted
-file has more entries then will fit on your screen, png_set_dither()
-will do that. Note that this is a simple match dither that merely
-finds the closest color available. This should work fairly well with
-optimized palettes, and fairly badly with linear color cubes. If you
-pass a palette that is larger then maximum_colors, the file will
-reduce the number of colors in the palette so it will fit into
-maximum_colors. If there is a histogram, it will use it to make
-more intelligent choices when reducing the palette. If there is no
-histogram, it may not do as good a job.
-
- if (color_type & PNG_COLOR_MASK_COLOR)
- {
- if (png_get_valid(png_ptr, info_ptr,
- PNG_INFO_PLTE))
- {
- png_uint_16p histogram = NULL;
-
- png_get_hIST(png_ptr, info_ptr,
- &histogram);
- png_set_dither(png_ptr, palette, num_palette,
- max_screen_colors, histogram, 1);
- }
- else
- {
- png_color std_color_cube[MAX_SCREEN_COLORS] =
- { ... colors ... };
-
- png_set_dither(png_ptr, std_color_cube,
- MAX_SCREEN_COLORS, MAX_SCREEN_COLORS,
- NULL,0);
- }
- }
-
-PNG files describe monochrome as black being zero and white being one.
-The following code will reverse this (make black be one and white be
-zero):
-
- if (bit_depth == 1 && color_type == PNG_COLOR_TYPE_GRAY)
- png_set_invert_mono(png_ptr);
-
-This function can also be used to invert grayscale and gray-alpha images:
-
- if (color_type == PNG_COLOR_TYPE_GRAY ||
- color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- png_set_invert_mono(png_ptr);
-
-PNG files store 16 bit pixels in network byte order (big-endian,
-ie. most significant bits first). This code changes the storage to the
-other way (little-endian, i.e. least significant bits first, the
-way PCs store them):
-
- if (bit_depth == 16)
- png_set_swap(png_ptr);
-
-If you are using packed-pixel images (1, 2, or 4 bits/pixel), and you
-need to change the order the pixels are packed into bytes, you can use:
-
- if (bit_depth < 8)
- png_set_packswap(png_ptr);
-
-Finally, you can write your own transformation function if none of
-the existing ones meets your needs. This is done by setting a callback
-with
-
- png_set_read_user_transform_fn(png_ptr,
- read_transform_fn);
-
-You must supply the function
-
- void read_transform_fn(png_ptr ptr, row_info_ptr
- row_info, png_bytep data)
-
-See pngtest.c for a working example. Your function will be called
-after all of the other transformations have been processed.
-
-You can also set up a pointer to a user structure for use by your
-callback function, and you can inform libpng that your transform
-function will change the number of channels or bit depth with the
-function
-
- png_set_user_transform_info(png_ptr, user_ptr,
- user_depth, user_channels);
-
-The user's application, not libpng, is responsible for allocating and
-freeing any memory required for the user structure.
-
-You can retrieve the pointer via the function
-png_get_user_transform_ptr(). For example:
-
- voidp read_user_transform_ptr =
- png_get_user_transform_ptr(png_ptr);
-
-The last thing to handle is interlacing; this is covered in detail below,
-but you must call the function here if you want libpng to handle expansion
-of the interlaced image.
-
- number_of_passes = png_set_interlace_handling(png_ptr);
-
-After setting the transformations, libpng can update your png_info
-structure to reflect any transformations you've requested with this
-call. This is most useful to update the info structure's rowbytes
-field so you can use it to allocate your image memory. This function
-will also update your palette with the correct screen_gamma and
-background if these have been given with the calls above.
-
- png_read_update_info(png_ptr, info_ptr);
-
-After you call png_read_update_info(), you can allocate any
-memory you need to hold the image. The row data is simply
-raw byte data for all forms of images. As the actual allocation
-varies among applications, no example will be given. If you
-are allocating one large chunk, you will need to build an
-array of pointers to each row, as it will be needed for some
-of the functions below.
-
-Reading image data
-
-After you've allocated memory, you can read the image data.
-The simplest way to do this is in one function call. If you are
-allocating enough memory to hold the whole image, you can just
-call png_read_image() and libpng will read in all the image data
-and put it in the memory area supplied. You will need to pass in
-an array of pointers to each row.
-
-This function automatically handles interlacing, so you don't need
-to call png_set_interlace_handling() or call this function multiple
-times, or any of that other stuff necessary with png_read_rows().
-
- png_read_image(png_ptr, row_pointers);
-
-where row_pointers is:
-
- png_bytep row_pointers[height];
-
-You can point to void or char or whatever you use for pixels.
-
-If you don't want to read in the whole image at once, you can
-use png_read_rows() instead. If there is no interlacing (check
-interlace_type == PNG_INTERLACE_NONE), this is simple:
-
- png_read_rows(png_ptr, row_pointers, NULL,
- number_of_rows);
-
-where row_pointers is the same as in the png_read_image() call.
-
-If you are doing this just one row at a time, you can do this with
-a single row_pointer instead of an array of row_pointers:
-
- png_bytep row_pointer = row;
- png_read_row(png_ptr, row_pointer, NULL);
-
-If the file is interlaced (interlace_type != 0 in the IHDR chunk), things
-get somewhat harder. The only current (PNG Specification version 1.2)
-interlacing type for PNG is (interlace_type == PNG_INTERLACE_ADAM7)
-is a somewhat complicated 2D interlace scheme, known as Adam7, that
-breaks down an image into seven smaller images of varying size, based
-on an 8x8 grid.
-
-libpng can fill out those images or it can give them to you "as is".
-If you want them filled out, there are two ways to do that. The one
-mentioned in the PNG specification is to expand each pixel to cover
-those pixels that have not been read yet (the "rectangle" method).
-This results in a blocky image for the first pass, which gradually
-smooths out as more pixels are read. The other method is the "sparkle"
-method, where pixels are drawn only in their final locations, with the
-rest of the image remaining whatever colors they were initialized to
-before the start of the read. The first method usually looks better,
-but tends to be slower, as there are more pixels to put in the rows.
-
-If you don't want libpng to handle the interlacing details, just call
-png_read_rows() seven times to read in all seven images. Each of the
-images is a valid image by itself, or they can all be combined on an
-8x8 grid to form a single image (although if you intend to combine them
-you would be far better off using the libpng interlace handling).
-
-The first pass will return an image 1/8 as wide as the entire image
-(every 8th column starting in column 0) and 1/8 as high as the original
-(every 8th row starting in row 0), the second will be 1/8 as wide
-(starting in column 4) and 1/8 as high (also starting in row 0). The
-third pass will be 1/4 as wide (every 4th pixel starting in column 0) and
-1/8 as high (every 8th row starting in row 4), and the fourth pass will
-be 1/4 as wide and 1/4 as high (every 4th column starting in column 2,
-and every 4th row starting in row 0). The fifth pass will return an
-image 1/2 as wide, and 1/4 as high (starting at column 0 and row 2),
-while the sixth pass will be 1/2 as wide and 1/2 as high as the original
-(starting in column 1 and row 0). The seventh and final pass will be as
-wide as the original, and 1/2 as high, containing all of the odd
-numbered scanlines. Phew!
-
-If you want libpng to expand the images, call this before calling
-png_start_read_image() or png_read_update_info():
-
- if (interlace_type == PNG_INTERLACE_ADAM7)
- number_of_passes
- = png_set_interlace_handling(png_ptr);
-
-This will return the number of passes needed. Currently, this
-is seven, but may change if another interlace type is added.
-This function can be called even if the file is not interlaced,
-where it will return one pass.
-
-If you are not going to display the image after each pass, but are
-going to wait until the entire image is read in, use the sparkle
-effect. This effect is faster and the end result of either method
-is exactly the same. If you are planning on displaying the image
-after each pass, the "rectangle" effect is generally considered the
-better looking one.
-
-If you only want the "sparkle" effect, just call png_read_rows() as
-normal, with the third parameter NULL. Make sure you make pass over
-the image number_of_passes times, and you don't change the data in the
-rows between calls. You can change the locations of the data, just
-not the data. Each pass only writes the pixels appropriate for that
-pass, and assumes the data from previous passes is still valid.
-
- png_read_rows(png_ptr, row_pointers, NULL,
- number_of_rows);
-
-If you only want the first effect (the rectangles), do the same as
-before except pass the row buffer in the third parameter, and leave
-the second parameter NULL.
-
- png_read_rows(png_ptr, NULL, row_pointers,
- number_of_rows);
-
-Finishing a sequential read
-
-After you are finished reading the image through the
-low-level interface, you can finish reading the file. If you are
-interested in comments or time, which may be stored either before or
-after the image data, you should pass the separate png_info struct if
-you want to keep the comments from before and after the image
-separate. If you are not interested, you can pass NULL.
-
- png_read_end(png_ptr, end_info);
-
-When you are done, you can free all memory allocated by libpng like this:
-
- png_destroy_read_struct(&png_ptr, &info_ptr,
- &end_info);
-
-It is also possible to individually free the info_ptr members that
-point to libpng-allocated storage with the following function:
-
- png_free_data(png_ptr, info_ptr, mask, seq)
- mask - identifies data to be freed, a mask
- containing the bitwise OR of one or
- more of
- PNG_FREE_PLTE, PNG_FREE_TRNS,
- PNG_FREE_HIST, PNG_FREE_ICCP,
- PNG_FREE_PCAL, PNG_FREE_ROWS,
- PNG_FREE_SCAL, PNG_FREE_SPLT,
- PNG_FREE_TEXT, PNG_FREE_UNKN,
- or simply PNG_FREE_ALL
- seq - sequence number of item to be freed
- (-1 for all items)
-
-This function may be safely called when the relevant storage has
-already been freed, or has not yet been allocated, or was allocated
-by the user and not by libpng, and will in those
-cases do nothing. The "seq" parameter is ignored if only one item
-of the selected data type, such as PLTE, is allowed. If "seq" is not
--1, and multiple items are allowed for the data type identified in
-the mask, such as text or sPLT, only the n'th item in the structure
-is freed, where n is "seq".
-
-The default behavior is only to free data that was allocated internally
-by libpng. This can be changed, so that libpng will not free the data,
-or so that it will free data that was allocated by the user with png_malloc()
-or png_zalloc() and passed in via a png_set_*() function, with
-
- png_data_freer(png_ptr, info_ptr, freer, mask)
- mask - which data elements are affected
- same choices as in png_free_data()
- freer - one of
- PNG_DESTROY_WILL_FREE_DATA
- PNG_SET_WILL_FREE_DATA
- PNG_USER_WILL_FREE_DATA
-
-This function only affects data that has already been allocated.
-You can call this function after reading the PNG data but before calling
-any png_set_*() functions, to control whether the user or the png_set_*()
-function is responsible for freeing any existing data that might be present,
-and again after the png_set_*() functions to control whether the user
-or png_destroy_*() is supposed to free the data. When the user assumes
-responsibility for libpng-allocated data, the application must use
-png_free() to free it, and when the user transfers responsibility to libpng
-for data that the user has allocated, the user must have used png_malloc()
-or png_zalloc() to allocate it.
-
-If you allocated your row_pointers in a single block, as suggested above in
-the description of the high level read interface, you must not transfer
-responsibility for freeing it to the png_set_rows or png_read_destroy function,
-because they would also try to free the individual row_pointers[i].
-
-If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword
-separately, do not transfer responsibility for freeing text_ptr to libpng,
-because when libpng fills a png_text structure it combines these members with
-the key member, and png_free_data() will free only text_ptr.key. Similarly,
-if you transfer responsibility for free'ing text_ptr from libpng to your
-application, your application must not separately free those members.
-
-The png_free_data() function will turn off the "valid" flag for anything
-it frees. If you need to turn the flag off for a chunk that was freed by your
-application instead of by libpng, you can use
-
- png_set_invalid(png_ptr, info_ptr, mask);
- mask - identifies the chunks to be made invalid,
- containing the bitwise OR of one or
- more of
- PNG_INFO_gAMA, PNG_INFO_sBIT,
- PNG_INFO_cHRM, PNG_INFO_PLTE,
- PNG_INFO_tRNS, PNG_INFO_bKGD,
- PNG_INFO_hIST, PNG_INFO_pHYs,
- PNG_INFO_oFFs, PNG_INFO_tIME,
- PNG_INFO_pCAL, PNG_INFO_sRGB,
- PNG_INFO_iCCP, PNG_INFO_sPLT,
- PNG_INFO_sCAL, PNG_INFO_IDAT
-
-For a more compact example of reading a PNG image, see the file example.c.
-
-Reading PNG files progressively
-
-The progressive reader is slightly different then the non-progressive
-reader. Instead of calling png_read_info(), png_read_rows(), and
-png_read_end(), you make one call to png_process_data(), which calls
-callbacks when it has the info, a row, or the end of the image. You
-set up these callbacks with png_set_progressive_read_fn(). You don't
-have to worry about the input/output functions of libpng, as you are
-giving the library the data directly in png_process_data(). I will
-assume that you have read the section on reading PNG files above,
-so I will only highlight the differences (although I will show
-all of the code).
-
-png_structp png_ptr;
-png_infop info_ptr;
-
- /* An example code fragment of how you would
- initialize the progressive reader in your
- application. */
- int
- initialize_png_reader()
- {
- png_ptr = png_create_read_struct
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn);
- if (!png_ptr)
- return (ERROR);
- info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr)
- {
- png_destroy_read_struct(&png_ptr, (png_infopp)NULL,
- (png_infopp)NULL);
- return (ERROR);
- }
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct(&png_ptr, &info_ptr,
- (png_infopp)NULL);
- return (ERROR);
- }
-
- /* This one's new. You can provide functions
- to be called when the header info is valid,
- when each row is completed, and when the image
- is finished. If you aren't using all functions,
- you can specify NULL parameters. Even when all
- three functions are NULL, you need to call
- png_set_progressive_read_fn(). You can use
- any struct as the user_ptr (cast to a void pointer
- for the function call), and retrieve the pointer
- from inside the callbacks using the function
-
- png_get_progressive_ptr(png_ptr);
-
- which will return a void pointer, which you have
- to cast appropriately.
- */
- png_set_progressive_read_fn(png_ptr, (void *)user_ptr,
- info_callback, row_callback, end_callback);
-
- return 0;
- }
-
- /* A code fragment that you call as you receive blocks
- of data */
- int
- process_data(png_bytep buffer, png_uint_32 length)
- {
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct(&png_ptr, &info_ptr,
- (png_infopp)NULL);
- return (ERROR);
- }
-
- /* This one's new also. Simply give it a chunk
- of data from the file stream (in order, of
- course). On machines with segmented memory
- models machines, don't give it any more than
- 64K. The library seems to run fine with sizes
- of 4K. Although you can give it much less if
- necessary (I assume you can give it chunks of
- 1 byte, I haven't tried less then 256 bytes
- yet). When this function returns, you may
- want to display any rows that were generated
- in the row callback if you don't already do
- so there.
- */
- png_process_data(png_ptr, info_ptr, buffer, length);
- return 0;
- }
-
- /* This function is called (as set by
- png_set_progressive_read_fn() above) when enough data
- has been supplied so all of the header has been
- read.
- */
- void
- info_callback(png_structp png_ptr, png_infop info)
- {
- /* Do any setup here, including setting any of
- the transformations mentioned in the Reading
- PNG files section. For now, you _must_ call
- either png_start_read_image() or
- png_read_update_info() after all the
- transformations are set (even if you don't set
- any). You may start getting rows before
- png_process_data() returns, so this is your
- last chance to prepare for that.
- */
- }
-
- /* This function is called when each row of image
- data is complete */
- void
- row_callback(png_structp png_ptr, png_bytep new_row,
- png_uint_32 row_num, int pass)
- {
- /* If the image is interlaced, and you turned
- on the interlace handler, this function will
- be called for every row in every pass. Some
- of these rows will not be changed from the
- previous pass. When the row is not changed,
- the new_row variable will be NULL. The rows
- and passes are called in order, so you don't
- really need the row_num and pass, but I'm
- supplying them because it may make your life
- easier.
-
- For the non-NULL rows of interlaced images,
- you must call png_progressive_combine_row()
- passing in the row and the old row. You can
- call this function for NULL rows (it will just
- return) and for non-interlaced images (it just
- does the memcpy for you) if it will make the
- code easier. Thus, you can just do this for
- all cases:
- */
-
- png_progressive_combine_row(png_ptr, old_row,
- new_row);
-
- /* where old_row is what was displayed for
- previously for the row. Note that the first
- pass (pass == 0, really) will completely cover
- the old row, so the rows do not have to be
- initialized. After the first pass (and only
- for interlaced images), you will have to pass
- the current row, and the function will combine
- the old row and the new row.
- */
- }
-
- void
- end_callback(png_structp png_ptr, png_infop info)
- {
- /* This function is called after the whole image
- has been read, including any chunks after the
- image (up to and including the IEND). You
- will usually have the same info chunk as you
- had in the header, although some data may have
- been added to the comments and time fields.
-
- Most people won't do much here, perhaps setting
- a flag that marks the image as finished.
- */
- }
-
-
-
-IV. Writing
-
-Much of this is very similar to reading. However, everything of
-importance is repeated here, so you won't have to constantly look
-back up in the reading section to understand writing.
-
-Setup
-
-You will want to do the I/O initialization before you get into libpng,
-so if it doesn't work, you don't have anything to undo. If you are not
-using the standard I/O functions, you will need to replace them with
-custom writing functions. See the discussion under Customizing libpng.
-
- FILE *fp = fopen(file_name, "wb");
- if (!fp)
- {
- return (ERROR);
- }
-
-Next, png_struct and png_info need to be allocated and initialized.
-As these can be both relatively large, you may not want to store these
-on the stack, unless you have stack space to spare. Of course, you
-will want to check if they return NULL. If you are also reading,
-you won't want to name your read structure and your write structure
-both "png_ptr"; you can call them anything you like, such as
-"read_ptr" and "write_ptr". Look at pngtest.c, for example.
-
- png_structp png_ptr = png_create_write_struct
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn);
- if (!png_ptr)
- return (ERROR);
-
- png_infop info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr)
- {
- png_destroy_write_struct(&png_ptr,
- (png_infopp)NULL);
- return (ERROR);
- }
-
-If you want to use your own memory allocation routines,
-define PNG_USER_MEM_SUPPORTED and use
-png_create_write_struct_2() instead of png_create_write_struct():
-
- png_structp png_ptr = png_create_write_struct_2
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn, (png_voidp)
- user_mem_ptr, user_malloc_fn, user_free_fn);
-
-After you have these structures, you will need to set up the
-error handling. When libpng encounters an error, it expects to
-longjmp() back to your routine. Therefore, you will need to call
-setjmp() and pass the png_jmpbuf(png_ptr). If you
-write the file from different routines, you will need to update
-the png_jmpbuf(png_ptr) every time you enter a new routine that will
-call a png_*() function. See your documentation of setjmp/longjmp
-for your compiler for more information on setjmp/longjmp. See
-the discussion on libpng error handling in the Customizing Libpng
-section below for more information on the libpng error handling.
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- fclose(fp);
- return (ERROR);
- }
- ...
- return;
-
-If you would rather avoid the complexity of setjmp/longjmp issues,
-you can compile libpng with PNG_SETJMP_NOT_SUPPORTED, in which case
-errors will result in a call to PNG_ABORT() which defaults to abort().
-
-Now you need to set up the output code. The default for libpng is to
-use the C function fwrite(). If you use this, you will need to pass a
-valid FILE * in the function png_init_io(). Be sure that the file is
-opened in binary mode. Again, if you wish to handle writing data in
-another way, see the discussion on libpng I/O handling in the Customizing
-Libpng section below.
-
- png_init_io(png_ptr, fp);
-
-If you are embedding your PNG into a datastream such as MNG, and don't
-want libpng to write the 8-byte signature, or if you have already
-written the signature in your application, use
-
- png_set_sig_bytes(png_ptr, 8);
-
-to inform libpng that it should not write a signature.
-
-Write callbacks
-
-At this point, you can set up a callback function that will be
-called after each row has been written, which you can use to control
-a progress meter or the like. It's demonstrated in pngtest.c.
-You must supply a function
-
- void write_row_callback(png_ptr, png_uint_32 row,
- int pass);
- {
- /* put your code here */
- }
-
-(You can give it another name that you like instead of "write_row_callback")
-
-To inform libpng about your function, use
-
- png_set_write_status_fn(png_ptr, write_row_callback);
-
-You now have the option of modifying how the compression library will
-run. The following functions are mainly for testing, but may be useful
-in some cases, like if you need to write PNG files extremely fast and
-are willing to give up some compression, or if you want to get the
-maximum possible compression at the expense of slower writing. If you
-have no special needs in this area, let the library do what it wants by
-not calling this function at all, as it has been tuned to deliver a good
-speed/compression ratio. The second parameter to png_set_filter() is
-the filter method, for which the only valid values are 0 (as of the
-July 1999 PNG specification, version 1.2) or 64 (if you are writing
-a PNG datastream that is to be embedded in a MNG datastream). The third
-parameter is a flag that indicates which filter type(s) are to be tested
-for each scanline. See the PNG specification for details on the specific filter
-types.
-
-
- /* turn on or off filtering, and/or choose
- specific filters. You can use either a single
- PNG_FILTER_VALUE_NAME or the bitwise OR of one
- or more PNG_FILTER_NAME masks. */
- png_set_filter(png_ptr, 0,
- PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE |
- PNG_FILTER_SUB | PNG_FILTER_VALUE_SUB |
- PNG_FILTER_UP | PNG_FILTER_VALUE_UP |
- PNG_FILTER_AVG | PNG_FILTER_VALUE_AVG |
- PNG_FILTER_PAETH | PNG_FILTER_VALUE_PAETH|
- PNG_ALL_FILTERS);
-
-If an application
-wants to start and stop using particular filters during compression,
-it should start out with all of the filters (to ensure that the previous
-row of pixels will be stored in case it's needed later), and then add
-and remove them after the start of compression.
-
-If you are writing a PNG datastream that is to be embedded in a MNG
-datastream, the second parameter can be either 0 or 64.
-
-The png_set_compression_*() functions interface to the zlib compression
-library, and should mostly be ignored unless you really know what you are
-doing. The only generally useful call is png_set_compression_level()
-which changes how much time zlib spends on trying to compress the image
-data. See the Compression Library (zlib.h and algorithm.txt, distributed
-with zlib) for details on the compression levels.
-
- /* set the zlib compression level */
- png_set_compression_level(png_ptr,
- Z_BEST_COMPRESSION);
-
- /* set other zlib parameters */
- png_set_compression_mem_level(png_ptr, 8);
- png_set_compression_strategy(png_ptr,
- Z_DEFAULT_STRATEGY);
- png_set_compression_window_bits(png_ptr, 15);
- png_set_compression_method(png_ptr, 8);
- png_set_compression_buffer_size(png_ptr, 8192)
-
-extern PNG_EXPORT(void,png_set_zbuf_size)
-
-Setting the contents of info for output
-
-You now need to fill in the png_info structure with all the data you
-wish to write before the actual image. Note that the only thing you
-are allowed to write after the image is the text chunks and the time
-chunk (as of PNG Specification 1.2, anyway). See png_write_end() and
-the latest PNG specification for more information on that. If you
-wish to write them before the image, fill them in now, and flag that
-data as being valid. If you want to wait until after the data, don't
-fill them until png_write_end(). For all the fields in png_info and
-their data types, see png.h. For explanations of what the fields
-contain, see the PNG specification.
-
-Some of the more important parts of the png_info are:
-
- png_set_IHDR(png_ptr, info_ptr, width, height,
- bit_depth, color_type, interlace_type,
- compression_type, filter_method)
- width - holds the width of the image
- in pixels (up to 2^31).
- height - holds the height of the image
- in pixels (up to 2^31).
- bit_depth - holds the bit depth of one of the
- image channels.
- (valid values are 1, 2, 4, 8, 16
- and depend also on the
- color_type. See also significant
- bits (sBIT) below).
- color_type - describes which color/alpha
- channels are present.
- PNG_COLOR_TYPE_GRAY
- (bit depths 1, 2, 4, 8, 16)
- PNG_COLOR_TYPE_GRAY_ALPHA
- (bit depths 8, 16)
- PNG_COLOR_TYPE_PALETTE
- (bit depths 1, 2, 4, 8)
- PNG_COLOR_TYPE_RGB
- (bit_depths 8, 16)
- PNG_COLOR_TYPE_RGB_ALPHA
- (bit_depths 8, 16)
-
- PNG_COLOR_MASK_PALETTE
- PNG_COLOR_MASK_COLOR
- PNG_COLOR_MASK_ALPHA
-
- interlace_type - PNG_INTERLACE_NONE or
- PNG_INTERLACE_ADAM7
- compression_type - (must be
- PNG_COMPRESSION_TYPE_DEFAULT)
- filter_method - (must be PNG_FILTER_TYPE_DEFAULT
- or, if you are writing a PNG to
- be embedded in a MNG datastream,
- can also be
- PNG_INTRAPIXEL_DIFFERENCING)
-
-If you call png_set_IHDR(), the call must appear before any of the
-other png_set_*() functions, which might require access to some of
-the IHDR settings. The remaining png_set_*() functions can be called
-in any order.
-
- png_set_PLTE(png_ptr, info_ptr, palette,
- num_palette);
- palette - the palette for the file
- (array of png_color)
- num_palette - number of entries in the palette
-
- png_set_gAMA(png_ptr, info_ptr, gamma);
- gamma - the gamma the image was created
- at (PNG_INFO_gAMA)
-
- png_set_sRGB(png_ptr, info_ptr, srgb_intent);
- srgb_intent - the rendering intent
- (PNG_INFO_sRGB) The presence of
- the sRGB chunk means that the pixel
- data is in the sRGB color space.
- This chunk also implies specific
- values of gAMA and cHRM. Rendering
- intent is the CSS-1 property that
- has been defined by the International
- Color Consortium
- (http://www.color.org).
- It can be one of
- PNG_sRGB_INTENT_SATURATION,
- PNG_sRGB_INTENT_PERCEPTUAL,
- PNG_sRGB_INTENT_ABSOLUTE, or
- PNG_sRGB_INTENT_RELATIVE.
-
-
- png_set_sRGB_gAMA_and_cHRM(png_ptr, info_ptr,
- srgb_intent);
- srgb_intent - the rendering intent
- (PNG_INFO_sRGB) The presence of the
- sRGB chunk means that the pixel
- data is in the sRGB color space.
- This function also causes gAMA and
- cHRM chunks with the specific values
- that are consistent with sRGB to be
- written.
-
- png_set_iCCP(png_ptr, info_ptr, name, compression_type,
- profile, proflen);
- name - The profile name.
- compression - The compression type; always
- PNG_COMPRESSION_TYPE_BASE for PNG 1.0.
- You may give NULL to this argument to
- ignore it.
- profile - International Color Consortium color
- profile data. May contain NULs.
- proflen - length of profile data in bytes.
-
- png_set_sBIT(png_ptr, info_ptr, sig_bit);
- sig_bit - the number of significant bits for
- (PNG_INFO_sBIT) each of the gray, red,
- green, and blue channels, whichever are
- appropriate for the given color type
- (png_color_16)
-
- png_set_tRNS(png_ptr, info_ptr, trans, num_trans,
- trans_values);
- trans - array of transparent entries for
- palette (PNG_INFO_tRNS)
- trans_values - graylevel or color sample values of
- the single transparent color for
- non-paletted images (PNG_INFO_tRNS)
- num_trans - number of transparent entries
- (PNG_INFO_tRNS)
-
- png_set_hIST(png_ptr, info_ptr, hist);
- (PNG_INFO_hIST)
- hist - histogram of palette (array of
- png_uint_16)
-
- png_set_tIME(png_ptr, info_ptr, mod_time);
- mod_time - time image was last modified
- (PNG_VALID_tIME)
-
- png_set_bKGD(png_ptr, info_ptr, background);
- background - background color (PNG_VALID_bKGD)
-
- png_set_text(png_ptr, info_ptr, text_ptr, num_text);
- text_ptr - array of png_text holding image
- comments
- text_ptr[i].compression - type of compression used
- on "text" PNG_TEXT_COMPRESSION_NONE
- PNG_TEXT_COMPRESSION_zTXt
- PNG_ITXT_COMPRESSION_NONE
- PNG_ITXT_COMPRESSION_zTXt
- text_ptr[i].key - keyword for comment. Must contain
- 1-79 characters.
- text_ptr[i].text - text comments for current
- keyword. Can be NULL or empty.
- text_ptr[i].text_length - length of text string,
- after decompression, 0 for iTXt
- text_ptr[i].itxt_length - length of itxt string,
- after decompression, 0 for tEXt/zTXt
- text_ptr[i].lang - language of comment (NULL or
- empty for unknown).
- text_ptr[i].translated_keyword - keyword in UTF-8 (NULL
- or empty for unknown).
- num_text - number of comments
-
- png_set_sPLT(png_ptr, info_ptr, &palette_ptr,
- num_spalettes);
- palette_ptr - array of png_sPLT_struct structures
- to be added to the list of palettes
- in the info structure.
- num_spalettes - number of palette structures to be
- added.
-
- png_set_oFFs(png_ptr, info_ptr, offset_x, offset_y,
- unit_type);
- offset_x - positive offset from the left
- edge of the screen
- offset_y - positive offset from the top
- edge of the screen
- unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER
-
- png_set_pHYs(png_ptr, info_ptr, res_x, res_y,
- unit_type);
- res_x - pixels/unit physical resolution
- in x direction
- res_y - pixels/unit physical resolution
- in y direction
- unit_type - PNG_RESOLUTION_UNKNOWN,
- PNG_RESOLUTION_METER
-
- png_set_sCAL(png_ptr, info_ptr, unit, width, height)
- unit - physical scale units (an integer)
- width - width of a pixel in physical scale units
- height - height of a pixel in physical scale units
- (width and height are doubles)
-
- png_set_sCAL_s(png_ptr, info_ptr, unit, width, height)
- unit - physical scale units (an integer)
- width - width of a pixel in physical scale units
- height - height of a pixel in physical scale units
- (width and height are strings like "2.54")
-
- png_set_unknown_chunks(png_ptr, info_ptr, &unknowns,
- num_unknowns)
- unknowns - array of png_unknown_chunk
- structures holding unknown chunks
- unknowns[i].name - name of unknown chunk
- unknowns[i].data - data of unknown chunk
- unknowns[i].size - size of unknown chunk's data
- unknowns[i].location - position to write chunk in file
- 0: do not write chunk
- PNG_HAVE_IHDR: before PLTE
- PNG_HAVE_PLTE: before IDAT
- PNG_AFTER_IDAT: after IDAT
-
-The "location" member is set automatically according to
-what part of the output file has already been written.
-You can change its value after calling png_set_unknown_chunks()
-as demonstrated in pngtest.c. Within each of the "locations",
-the chunks are sequenced according to their position in the
-structure (that is, the value of "i", which is the order in which
-the chunk was either read from the input file or defined with
-png_set_unknown_chunks).
-
-A quick word about text and num_text. text is an array of png_text
-structures. num_text is the number of valid structures in the array.
-Each png_text structure holds a language code, a keyword, a text value,
-and a compression type.
-
-The compression types have the same valid numbers as the compression
-types of the image data. Currently, the only valid number is zero.
-However, you can store text either compressed or uncompressed, unlike
-images, which always have to be compressed. So if you don't want the
-text compressed, set the compression type to PNG_TEXT_COMPRESSION_NONE.
-Because tEXt and zTXt chunks don't have a language field, if you
-specify PNG_TEXT_COMPRESSION_NONE or PNG_TEXT_COMPRESSION_zTXt
-any language code or translated keyword will not be written out.
-
-Until text gets around 1000 bytes, it is not worth compressing it.
-After the text has been written out to the file, the compression type
-is set to PNG_TEXT_COMPRESSION_NONE_WR or PNG_TEXT_COMPRESSION_zTXt_WR,
-so that it isn't written out again at the end (in case you are calling
-png_write_end() with the same struct.
-
-The keywords that are given in the PNG Specification are:
-
- Title Short (one line) title or
- caption for image
- Author Name of image's creator
- Description Description of image (possibly long)
- Copyright Copyright notice
- Creation Time Time of original image creation
- (usually RFC 1123 format, see below)
- Software Software used to create the image
- Disclaimer Legal disclaimer
- Warning Warning of nature of content
- Source Device used to create the image
- Comment Miscellaneous comment; conversion
- from other image format
-
-The keyword-text pairs work like this. Keywords should be short
-simple descriptions of what the comment is about. Some typical
-keywords are found in the PNG specification, as is some recommendations
-on keywords. You can repeat keywords in a file. You can even write
-some text before the image and some after. For example, you may want
-to put a description of the image before the image, but leave the
-disclaimer until after, so viewers working over modem connections
-don't have to wait for the disclaimer to go over the modem before
-they start seeing the image. Finally, keywords should be full
-words, not abbreviations. Keywords and text are in the ISO 8859-1
-(Latin-1) character set (a superset of regular ASCII) and can not
-contain NUL characters, and should not contain control or other
-unprintable characters. To make the comments widely readable, stick
-with basic ASCII, and avoid machine specific character set extensions
-like the IBM-PC character set. The keyword must be present, but
-you can leave off the text string on non-compressed pairs.
-Compressed pairs must have a text string, as only the text string
-is compressed anyway, so the compression would be meaningless.
-
-PNG supports modification time via the png_time structure. Two
-conversion routines are provided, png_convert_from_time_t() for
-time_t and png_convert_from_struct_tm() for struct tm. The
-time_t routine uses gmtime(). You don't have to use either of
-these, but if you wish to fill in the png_time structure directly,
-you should provide the time in universal time (GMT) if possible
-instead of your local time. Note that the year number is the full
-year (e.g. 1998, rather than 98 - PNG is year 2000 compliant!), and
-that months start with 1.
-
-If you want to store the time of the original image creation, you should
-use a plain tEXt chunk with the "Creation Time" keyword. This is
-necessary because the "creation time" of a PNG image is somewhat vague,
-depending on whether you mean the PNG file, the time the image was
-created in a non-PNG format, a still photo from which the image was
-scanned, or possibly the subject matter itself. In order to facilitate
-machine-readable dates, it is recommended that the "Creation Time"
-tEXt chunk use RFC 1123 format dates (e.g. "22 May 1997 18:07:10 GMT"),
-although this isn't a requirement. Unlike the tIME chunk, the
-"Creation Time" tEXt chunk is not expected to be automatically changed
-by the software. To facilitate the use of RFC 1123 dates, a function
-png_convert_to_rfc1123(png_timep) is provided to convert from PNG
-time to an RFC 1123 format string.
-
-Writing unknown chunks
-
-You can use the png_set_unknown_chunks function to queue up chunks
-for writing. You give it a chunk name, raw data, and a size; that's
-all there is to it. The chunks will be written by the next following
-png_write_info_before_PLTE, png_write_info, or png_write_end function.
-Any chunks previously read into the info structure's unknown-chunk
-list will also be written out in a sequence that satisfies the PNG
-specification's ordering rules.
-
-The high-level write interface
-
-At this point there are two ways to proceed; through the high-level
-write interface, or through a sequence of low-level write operations.
-You can use the high-level interface if your image data is present
-in the info structure. All defined output
-transformations are permitted, enabled by the following masks.
-
- PNG_TRANSFORM_IDENTITY No transformation
- PNG_TRANSFORM_PACKING Pack 1, 2 and 4-bit samples
- PNG_TRANSFORM_PACKSWAP Change order of packed
- pixels to LSB first
- PNG_TRANSFORM_INVERT_MONO Invert monochrome images
- PNG_TRANSFORM_SHIFT Normalize pixels to the
- sBIT depth
- PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA
- to BGRA
- PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA
- to AG
- PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity
- to transparency
- PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples
- PNG_TRANSFORM_STRIP_FILLER Strip out filler
- bytes (deprecated).
- PNG_TRANSFORM_STRIP_FILLER_BEFORE Strip out leading
- filler bytes
- PNG_TRANSFORM_STRIP_FILLER_AFTER Strip out trailing
- filler bytes
-
-If you have valid image data in the info structure (you can use
-png_set_rows() to put image data in the info structure), simply do this:
-
- png_write_png(png_ptr, info_ptr, png_transforms, NULL)
-
-where png_transforms is an integer containing the bitwise OR of some set of
-transformation flags. This call is equivalent to png_write_info(),
-followed the set of transformations indicated by the transform mask,
-then png_write_image(), and finally png_write_end().
-
-(The final parameter of this call is not yet used. Someday it might point
-to transformation parameters required by some future output transform.)
-
-You must use png_transforms and not call any png_set_transform() functions
-when you use png_write_png().
-
-The low-level write interface
-
-If you are going the low-level route instead, you are now ready to
-write all the file information up to the actual image data. You do
-this with a call to png_write_info().
-
- png_write_info(png_ptr, info_ptr);
-
-Note that there is one transformation you may need to do before
-png_write_info(). In PNG files, the alpha channel in an image is the
-level of opacity. If your data is supplied as a level of
-transparency, you can invert the alpha channel before you write it, so
-that 0 is fully transparent and 255 (in 8-bit or paletted images) or
-65535 (in 16-bit images) is fully opaque, with
-
- png_set_invert_alpha(png_ptr);
-
-This must appear before png_write_info() instead of later with the
-other transformations because in the case of paletted images the tRNS
-chunk data has to be inverted before the tRNS chunk is written. If
-your image is not a paletted image, the tRNS data (which in such cases
-represents a single color to be rendered as transparent) won't need to
-be changed, and you can safely do this transformation after your
-png_write_info() call.
-
-If you need to write a private chunk that you want to appear before
-the PLTE chunk when PLTE is present, you can write the PNG info in
-two steps, and insert code to write your own chunk between them:
-
- png_write_info_before_PLTE(png_ptr, info_ptr);
- png_set_unknown_chunks(png_ptr, info_ptr, ...);
- png_write_info(png_ptr, info_ptr);
-
-After you've written the file information, you can set up the library
-to handle any special transformations of the image data. The various
-ways to transform the data will be described in the order that they
-should occur. This is important, as some of these change the color
-type and/or bit depth of the data, and some others only work on
-certain color types and bit depths. Even though each transformation
-checks to see if it has data that it can do something with, you should
-make sure to only enable a transformation if it will be valid for the
-data. For example, don't swap red and blue on grayscale data.
-
-PNG files store RGB pixels packed into 3 or 6 bytes. This code tells
-the library to strip input data that has 4 or 8 bytes per pixel down
-to 3 or 6 bytes (or strip 2 or 4-byte grayscale+filler data to 1 or 2
-bytes per pixel).
-
- png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE);
-
-where the 0 is unused, and the location is either PNG_FILLER_BEFORE or
-PNG_FILLER_AFTER, depending upon whether the filler byte in the pixel
-is stored XRGB or RGBX.
-
-PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as
-they can, resulting in, for example, 8 pixels per byte for 1 bit files.
-If the data is supplied at 1 pixel per byte, use this code, which will
-correctly pack the pixels into a single byte:
-
- png_set_packing(png_ptr);
-
-PNG files reduce possible bit depths to 1, 2, 4, 8, and 16. If your
-data is of another bit depth, you can write an sBIT chunk into the
-file so that decoders can recover the original data if desired.
-
- /* Set the true bit depth of the image data */
- if (color_type & PNG_COLOR_MASK_COLOR)
- {
- sig_bit.red = true_bit_depth;
- sig_bit.green = true_bit_depth;
- sig_bit.blue = true_bit_depth;
- }
- else
- {
- sig_bit.gray = true_bit_depth;
- }
- if (color_type & PNG_COLOR_MASK_ALPHA)
- {
- sig_bit.alpha = true_bit_depth;
- }
-
- png_set_sBIT(png_ptr, info_ptr, &sig_bit);
-
-If the data is stored in the row buffer in a bit depth other than
-one supported by PNG (e.g. 3 bit data in the range 0-7 for a 4-bit PNG),
-this will scale the values to appear to be the correct bit depth as
-is required by PNG.
-
- png_set_shift(png_ptr, &sig_bit);
-
-PNG files store 16 bit pixels in network byte order (big-endian,
-ie. most significant bits first). This code would be used if they are
-supplied the other way (little-endian, i.e. least significant bits
-first, the way PCs store them):
-
- if (bit_depth > 8)
- png_set_swap(png_ptr);
-
-If you are using packed-pixel images (1, 2, or 4 bits/pixel), and you
-need to change the order the pixels are packed into bytes, you can use:
-
- if (bit_depth < 8)
- png_set_packswap(png_ptr);
-
-PNG files store 3 color pixels in red, green, blue order. This code
-would be used if they are supplied as blue, green, red:
-
- png_set_bgr(png_ptr);
-
-PNG files describe monochrome as black being zero and white being
-one. This code would be used if the pixels are supplied with this reversed
-(black being one and white being zero):
-
- png_set_invert_mono(png_ptr);
-
-Finally, you can write your own transformation function if none of
-the existing ones meets your needs. This is done by setting a callback
-with
-
- png_set_write_user_transform_fn(png_ptr,
- write_transform_fn);
-
-You must supply the function
-
- void write_transform_fn(png_ptr ptr, row_info_ptr
- row_info, png_bytep data)
-
-See pngtest.c for a working example. Your function will be called
-before any of the other transformations are processed.
-
-You can also set up a pointer to a user structure for use by your
-callback function.
-
- png_set_user_transform_info(png_ptr, user_ptr, 0, 0);
-
-The user_channels and user_depth parameters of this function are ignored
-when writing; you can set them to zero as shown.
-
-You can retrieve the pointer via the function png_get_user_transform_ptr().
-For example:
-
- voidp write_user_transform_ptr =
- png_get_user_transform_ptr(png_ptr);
-
-It is possible to have libpng flush any pending output, either manually,
-or automatically after a certain number of lines have been written. To
-flush the output stream a single time call:
-
- png_write_flush(png_ptr);
-
-and to have libpng flush the output stream periodically after a certain
-number of scanlines have been written, call:
-
- png_set_flush(png_ptr, nrows);
-
-Note that the distance between rows is from the last time png_write_flush()
-was called, or the first row of the image if it has never been called.
-So if you write 50 lines, and then png_set_flush 25, it will flush the
-output on the next scanline, and every 25 lines thereafter, unless
-png_write_flush() is called before 25 more lines have been written.
-If nrows is too small (less than about 10 lines for a 640 pixel wide
-RGB image) the image compression may decrease noticeably (although this
-may be acceptable for real-time applications). Infrequent flushing will
-only degrade the compression performance by a few percent over images
-that do not use flushing.
-
-Writing the image data
-
-That's it for the transformations. Now you can write the image data.
-The simplest way to do this is in one function call. If you have the
-whole image in memory, you can just call png_write_image() and libpng
-will write the image. You will need to pass in an array of pointers to
-each row. This function automatically handles interlacing, so you don't
-need to call png_set_interlace_handling() or call this function multiple
-times, or any of that other stuff necessary with png_write_rows().
-
- png_write_image(png_ptr, row_pointers);
-
-where row_pointers is:
-
- png_byte *row_pointers[height];
-
-You can point to void or char or whatever you use for pixels.
-
-If you don't want to write the whole image at once, you can
-use png_write_rows() instead. If the file is not interlaced,
-this is simple:
-
- png_write_rows(png_ptr, row_pointers,
- number_of_rows);
-
-row_pointers is the same as in the png_write_image() call.
-
-If you are just writing one row at a time, you can do this with
-a single row_pointer instead of an array of row_pointers:
-
- png_bytep row_pointer = row;
-
- png_write_row(png_ptr, row_pointer);
-
-When the file is interlaced, things can get a good deal more
-complicated. The only currently (as of the PNG Specification
-version 1.2, dated July 1999) defined interlacing scheme for PNG files
-is the "Adam7" interlace scheme, that breaks down an
-image into seven smaller images of varying size. libpng will build
-these images for you, or you can do them yourself. If you want to
-build them yourself, see the PNG specification for details of which
-pixels to write when.
-
-If you don't want libpng to handle the interlacing details, just
-use png_set_interlace_handling() and call png_write_rows() the
-correct number of times to write all seven sub-images.
-
-If you want libpng to build the sub-images, call this before you start
-writing any rows:
-
- number_of_passes =
- png_set_interlace_handling(png_ptr);
-
-This will return the number of passes needed. Currently, this
-is seven, but may change if another interlace type is added.
-
-Then write the complete image number_of_passes times.
-
- png_write_rows(png_ptr, row_pointers,
- number_of_rows);
-
-As some of these rows are not used, and thus return immediately,
-you may want to read about interlacing in the PNG specification,
-and only update the rows that are actually used.
-
-Finishing a sequential write
-
-After you are finished writing the image, you should finish writing
-the file. If you are interested in writing comments or time, you should
-pass an appropriately filled png_info pointer. If you are not interested,
-you can pass NULL.
-
- png_write_end(png_ptr, info_ptr);
-
-When you are done, you can free all memory used by libpng like this:
-
- png_destroy_write_struct(&png_ptr, &info_ptr);
-
-It is also possible to individually free the info_ptr members that
-point to libpng-allocated storage with the following function:
-
- png_free_data(png_ptr, info_ptr, mask, seq)
- mask - identifies data to be freed, a mask
- containing the bitwise OR of one or
- more of
- PNG_FREE_PLTE, PNG_FREE_TRNS,
- PNG_FREE_HIST, PNG_FREE_ICCP,
- PNG_FREE_PCAL, PNG_FREE_ROWS,
- PNG_FREE_SCAL, PNG_FREE_SPLT,
- PNG_FREE_TEXT, PNG_FREE_UNKN,
- or simply PNG_FREE_ALL
- seq - sequence number of item to be freed
- (-1 for all items)
-
-This function may be safely called when the relevant storage has
-already been freed, or has not yet been allocated, or was allocated
-by the user and not by libpng, and will in those
-cases do nothing. The "seq" parameter is ignored if only one item
-of the selected data type, such as PLTE, is allowed. If "seq" is not
--1, and multiple items are allowed for the data type identified in
-the mask, such as text or sPLT, only the n'th item in the structure
-is freed, where n is "seq".
-
-If you allocated data such as a palette that you passed
-in to libpng with png_set_*, you must not free it until just before the call to
-png_destroy_write_struct().
-
-The default behavior is only to free data that was allocated internally
-by libpng. This can be changed, so that libpng will not free the data,
-or so that it will free data that was allocated by the user with png_malloc()
-or png_zalloc() and passed in via a png_set_*() function, with
-
- png_data_freer(png_ptr, info_ptr, freer, mask)
- mask - which data elements are affected
- same choices as in png_free_data()
- freer - one of
- PNG_DESTROY_WILL_FREE_DATA
- PNG_SET_WILL_FREE_DATA
- PNG_USER_WILL_FREE_DATA
-
-For example, to transfer responsibility for some data from a read structure
-to a write structure, you could use
-
- png_data_freer(read_ptr, read_info_ptr,
- PNG_USER_WILL_FREE_DATA,
- PNG_FREE_PLTE|PNG_FREE_tRNS|PNG_FREE_hIST)
- png_data_freer(write_ptr, write_info_ptr,
- PNG_DESTROY_WILL_FREE_DATA,
- PNG_FREE_PLTE|PNG_FREE_tRNS|PNG_FREE_hIST)
-
-thereby briefly reassigning responsibility for freeing to the user but
-immediately afterwards reassigning it once more to the write_destroy
-function. Having done this, it would then be safe to destroy the read
-structure and continue to use the PLTE, tRNS, and hIST data in the write
-structure.
-
-This function only affects data that has already been allocated.
-You can call this function before calling after the png_set_*() functions
-to control whether the user or png_destroy_*() is supposed to free the data.
-When the user assumes responsibility for libpng-allocated data, the
-application must use
-png_free() to free it, and when the user transfers responsibility to libpng
-for data that the user has allocated, the user must have used png_malloc()
-or png_zalloc() to allocate it.
-
-If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword
-separately, do not transfer responsibility for freeing text_ptr to libpng,
-because when libpng fills a png_text structure it combines these members with
-the key member, and png_free_data() will free only text_ptr.key. Similarly,
-if you transfer responsibility for free'ing text_ptr from libpng to your
-application, your application must not separately free those members.
-For a more compact example of writing a PNG image, see the file example.c.
-
-V. Modifying/Customizing libpng:
-
-There are two issues here. The first is changing how libpng does
-standard things like memory allocation, input/output, and error handling.
-The second deals with more complicated things like adding new chunks,
-adding new transformations, and generally changing how libpng works.
-Both of those are compile-time issues; that is, they are generally
-determined at the time the code is written, and there is rarely a need
-to provide the user with a means of changing them.
-
-Memory allocation, input/output, and error handling
-
-All of the memory allocation, input/output, and error handling in libpng
-goes through callbacks that are user-settable. The default routines are
-in pngmem.c, pngrio.c, pngwio.c, and pngerror.c, respectively. To change
-these functions, call the appropriate png_set_*_fn() function.
-
-Memory allocation is done through the functions png_malloc()
-and png_free(). These currently just call the standard C functions. If
-your pointers can't access more then 64K at a time, you will want to set
-MAXSEG_64K in zlib.h. Since it is unlikely that the method of handling
-memory allocation on a platform will change between applications, these
-functions must be modified in the library at compile time. If you prefer
-to use a different method of allocating and freeing data, you can use
-png_create_read_struct_2() or png_create_write_struct_2() to register
-your own functions as described above.
-These functions also provide a void pointer that can be retrieved via
-
- mem_ptr=png_get_mem_ptr(png_ptr);
-
-Your replacement memory functions must have prototypes as follows:
-
- png_voidp malloc_fn(png_structp png_ptr,
- png_size_t size);
- void free_fn(png_structp png_ptr, png_voidp ptr);
-
-Your malloc_fn() must return NULL in case of failure. The png_malloc()
-function will normally call png_error() if it receives a NULL from the
-system memory allocator or from your replacement malloc_fn().
-
-Your free_fn() will never be called with a NULL ptr, since libpng's
-png_free() checks for NULL before calling free_fn().
-
-Input/Output in libpng is done through png_read() and png_write(),
-which currently just call fread() and fwrite(). The FILE * is stored in
-png_struct and is initialized via png_init_io(). If you wish to change
-the method of I/O, the library supplies callbacks that you can set
-through the function png_set_read_fn() and png_set_write_fn() at run
-time, instead of calling the png_init_io() function. These functions
-also provide a void pointer that can be retrieved via the function
-png_get_io_ptr(). For example:
-
- png_set_read_fn(png_structp read_ptr,
- voidp read_io_ptr, png_rw_ptr read_data_fn)
-
- png_set_write_fn(png_structp write_ptr,
- voidp write_io_ptr, png_rw_ptr write_data_fn,
- png_flush_ptr output_flush_fn);
-
- voidp read_io_ptr = png_get_io_ptr(read_ptr);
- voidp write_io_ptr = png_get_io_ptr(write_ptr);
-
-The replacement I/O functions must have prototypes as follows:
-
- void user_read_data(png_structp png_ptr,
- png_bytep data, png_size_t length);
- void user_write_data(png_structp png_ptr,
- png_bytep data, png_size_t length);
- void user_flush_data(png_structp png_ptr);
-
-The user_read_data() function is responsible for detecting and
-handling end-of-data errors.
-
-Supplying NULL for the read, write, or flush functions sets them back
-to using the default C stream functions, which expect the io_ptr to
-point to a standard *FILE structure. It is probably a mistake
-to use NULL for one of write_data_fn and output_flush_fn but not both
-of them, unless you have built libpng with PNG_NO_WRITE_FLUSH defined.
-It is an error to read from a write stream, and vice versa.
-
-Error handling in libpng is done through png_error() and png_warning().
-Errors handled through png_error() are fatal, meaning that png_error()
-should never return to its caller. Currently, this is handled via
-setjmp() and longjmp() (unless you have compiled libpng with
-PNG_SETJMP_NOT_SUPPORTED, in which case it is handled via PNG_ABORT()),
-but you could change this to do things like exit() if you should wish.
-
-On non-fatal errors, png_warning() is called
-to print a warning message, and then control returns to the calling code.
-By default png_error() and png_warning() print a message on stderr via
-fprintf() unless the library is compiled with PNG_NO_CONSOLE_IO defined
-(because you don't want the messages) or PNG_NO_STDIO defined (because
-fprintf() isn't available). If you wish to change the behavior of the error
-functions, you will need to set up your own message callbacks. These
-functions are normally supplied at the time that the png_struct is created.
-It is also possible to redirect errors and warnings to your own replacement
-functions after png_create_*_struct() has been called by calling:
-
- png_set_error_fn(png_structp png_ptr,
- png_voidp error_ptr, png_error_ptr error_fn,
- png_error_ptr warning_fn);
-
- png_voidp error_ptr = png_get_error_ptr(png_ptr);
-
-If NULL is supplied for either error_fn or warning_fn, then the libpng
-default function will be used, calling fprintf() and/or longjmp() if a
-problem is encountered. The replacement error functions should have
-parameters as follows:
-
- void user_error_fn(png_structp png_ptr,
- png_const_charp error_msg);
- void user_warning_fn(png_structp png_ptr,
- png_const_charp warning_msg);
-
-The motivation behind using setjmp() and longjmp() is the C++ throw and
-catch exception handling methods. This makes the code much easier to write,
-as there is no need to check every return code of every function call.
-However, there are some uncertainties about the status of local variables
-after a longjmp, so the user may want to be careful about doing anything after
-setjmp returns non-zero besides returning itself. Consult your compiler
-documentation for more details. For an alternative approach, you may wish
-to use the "cexcept" facility (see http://cexcept.sourceforge.net).
-
-Custom chunks
-
-If you need to read or write custom chunks, you may need to get deeper
-into the libpng code. The library now has mechanisms for storing
-and writing chunks of unknown type; you can even declare callbacks
-for custom chunks. However, this may not be good enough if the
-library code itself needs to know about interactions between your
-chunk and existing `intrinsic' chunks.
-
-If you need to write a new intrinsic chunk, first read the PNG
-specification. Acquire a first level of
-understanding of how it works. Pay particular attention to the
-sections that describe chunk names, and look at how other chunks were
-designed, so you can do things similarly. Second, check out the
-sections of libpng that read and write chunks. Try to find a chunk
-that is similar to yours and use it as a template. More details can
-be found in the comments inside the code. It is best to handle unknown
-chunks in a generic method, via callback functions, instead of by
-modifying libpng functions.
-
-If you wish to write your own transformation for the data, look through
-the part of the code that does the transformations, and check out some of
-the simpler ones to get an idea of how they work. Try to find a similar
-transformation to the one you want to add and copy off of it. More details
-can be found in the comments inside the code itself.
-
-Configuring for 16 bit platforms
-
-You will want to look into zconf.h to tell zlib (and thus libpng) that
-it cannot allocate more then 64K at a time. Even if you can, the memory
-won't be accessible. So limit zlib and libpng to 64K by defining MAXSEG_64K.
-
-Configuring for DOS
-
-For DOS users who only have access to the lower 640K, you will
-have to limit zlib's memory usage via a png_set_compression_mem_level()
-call. See zlib.h or zconf.h in the zlib library for more information.
-
-Configuring for Medium Model
-
-Libpng's support for medium model has been tested on most of the popular
-compilers. Make sure MAXSEG_64K gets defined, USE_FAR_KEYWORD gets
-defined, and FAR gets defined to far in pngconf.h, and you should be
-all set. Everything in the library (except for zlib's structure) is
-expecting far data. You must use the typedefs with the p or pp on
-the end for pointers (or at least look at them and be careful). Make
-note that the rows of data are defined as png_bytepp, which is an
-unsigned char far * far *.
-
-Configuring for gui/windowing platforms:
-
-You will need to write new error and warning functions that use the GUI
-interface, as described previously, and set them to be the error and
-warning functions at the time that png_create_*_struct() is called,
-in order to have them available during the structure initialization.
-They can be changed later via png_set_error_fn(). On some compilers,
-you may also have to change the memory allocators (png_malloc, etc.).
-
-Configuring for compiler xxx:
-
-All includes for libpng are in pngconf.h. If you need to add, change
-or delete an include, this is the place to do it.
-The includes that are not needed outside libpng are protected by the
-PNG_INTERNAL definition, which is only defined for those routines inside
-libpng itself. The files in libpng proper only include png.h, which
-includes pngconf.h.
-
-Configuring zlib:
-
-There are special functions to configure the compression. Perhaps the
-most useful one changes the compression level, which currently uses
-input compression values in the range 0 - 9. The library normally
-uses the default compression level (Z_DEFAULT_COMPRESSION = 6). Tests
-have shown that for a large majority of images, compression values in
-the range 3-6 compress nearly as well as higher levels, and do so much
-faster. For online applications it may be desirable to have maximum speed
-(Z_BEST_SPEED = 1). With versions of zlib after v0.99, you can also
-specify no compression (Z_NO_COMPRESSION = 0), but this would create
-files larger than just storing the raw bitmap. You can specify the
-compression level by calling:
-
- png_set_compression_level(png_ptr, level);
-
-Another useful one is to reduce the memory level used by the library.
-The memory level defaults to 8, but it can be lowered if you are
-short on memory (running DOS, for example, where you only have 640K).
-Note that the memory level does have an effect on compression; among
-other things, lower levels will result in sections of incompressible
-data being emitted in smaller stored blocks, with a correspondingly
-larger relative overhead of up to 15% in the worst case.
-
- png_set_compression_mem_level(png_ptr, level);
-
-The other functions are for configuring zlib. They are not recommended
-for normal use and may result in writing an invalid PNG file. See
-zlib.h for more information on what these mean.
-
- png_set_compression_strategy(png_ptr,
- strategy);
- png_set_compression_window_bits(png_ptr,
- window_bits);
- png_set_compression_method(png_ptr, method);
- png_set_compression_buffer_size(png_ptr, size);
-
-Controlling row filtering
-
-If you want to control whether libpng uses filtering or not, which
-filters are used, and how it goes about picking row filters, you
-can call one of these functions. The selection and configuration
-of row filters can have a significant impact on the size and
-encoding speed and a somewhat lesser impact on the decoding speed
-of an image. Filtering is enabled by default for RGB and grayscale
-images (with and without alpha), but not for paletted images nor
-for any images with bit depths less than 8 bits/pixel.
-
-The 'method' parameter sets the main filtering method, which is
-currently only '0' in the PNG 1.2 specification. The 'filters'
-parameter sets which filter(s), if any, should be used for each
-scanline. Possible values are PNG_ALL_FILTERS and PNG_NO_FILTERS
-to turn filtering on and off, respectively.
-
-Individual filter types are PNG_FILTER_NONE, PNG_FILTER_SUB,
-PNG_FILTER_UP, PNG_FILTER_AVG, PNG_FILTER_PAETH, which can be bitwise
-ORed together with '|' to specify one or more filters to use.
-These filters are described in more detail in the PNG specification.
-If you intend to change the filter type during the course of writing
-the image, you should start with flags set for all of the filters
-you intend to use so that libpng can initialize its internal
-structures appropriately for all of the filter types. (Note that this
-means the first row must always be adaptively filtered, because libpng
-currently does not allocate the filter buffers until png_write_row()
-is called for the first time.)
-
- filters = PNG_FILTER_NONE | PNG_FILTER_SUB
- PNG_FILTER_UP | PNG_FILTER_AVG |
- PNG_FILTER_PAETH | PNG_ALL_FILTERS;
-
- png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE,
- filters);
- The second parameter can also be
- PNG_INTRAPIXEL_DIFFERENCING if you are
- writing a PNG to be embedded in a MNG
- datastream. This parameter must be the
- same as the value of filter_method used
- in png_set_IHDR().
-
-It is also possible to influence how libpng chooses from among the
-available filters. This is done in one or both of two ways - by
-telling it how important it is to keep the same filter for successive
-rows, and by telling it the relative computational costs of the filters.
-
- double weights[3] = {1.5, 1.3, 1.1},
- costs[PNG_FILTER_VALUE_LAST] =
- {1.0, 1.3, 1.3, 1.5, 1.7};
-
- png_set_filter_heuristics(png_ptr,
- PNG_FILTER_HEURISTIC_WEIGHTED, 3,
- weights, costs);
-
-The weights are multiplying factors that indicate to libpng that the
-row filter should be the same for successive rows unless another row filter
-is that many times better than the previous filter. In the above example,
-if the previous 3 filters were SUB, SUB, NONE, the SUB filter could have a
-"sum of absolute differences" 1.5 x 1.3 times higher than other filters
-and still be chosen, while the NONE filter could have a sum 1.1 times
-higher than other filters and still be chosen. Unspecified weights are
-taken to be 1.0, and the specified weights should probably be declining
-like those above in order to emphasize recent filters over older filters.
-
-The filter costs specify for each filter type a relative decoding cost
-to be considered when selecting row filters. This means that filters
-with higher costs are less likely to be chosen over filters with lower
-costs, unless their "sum of absolute differences" is that much smaller.
-The costs do not necessarily reflect the exact computational speeds of
-the various filters, since this would unduly influence the final image
-size.
-
-Note that the numbers above were invented purely for this example and
-are given only to help explain the function usage. Little testing has
-been done to find optimum values for either the costs or the weights.
-
-Removing unwanted object code
-
-There are a bunch of #define's in pngconf.h that control what parts of
-libpng are compiled. All the defines end in _SUPPORTED. If you are
-never going to use a capability, you can change the #define to #undef
-before recompiling libpng and save yourself code and data space, or
-you can turn off individual capabilities with defines that begin with
-PNG_NO_.
-
-You can also turn all of the transforms and ancillary chunk capabilities
-off en masse with compiler directives that define
-PNG_NO_READ[or WRITE]_TRANSFORMS, or PNG_NO_READ[or WRITE]_ANCILLARY_CHUNKS,
-or all four,
-along with directives to turn on any of the capabilities that you do
-want. The PNG_NO_READ[or WRITE]_TRANSFORMS directives disable
-the extra transformations but still leave the library fully capable of reading
-and writing PNG files with all known public chunks
-Use of the PNG_NO_READ[or WRITE]_ANCILLARY_CHUNKS directive
-produces a library that is incapable of reading or writing ancillary chunks.
-If you are not using the progressive reading capability, you can
-turn that off with PNG_NO_PROGRESSIVE_READ (don't confuse
-this with the INTERLACING capability, which you'll still have).
-
-All the reading and writing specific code are in separate files, so the
-linker should only grab the files it needs. However, if you want to
-make sure, or if you are building a stand alone library, all the
-reading files start with pngr and all the writing files start with
-pngw. The files that don't match either (like png.c, pngtrans.c, etc.)
-are used for both reading and writing, and always need to be included.
-The progressive reader is in pngpread.c
-
-If you are creating or distributing a dynamically linked library (a .so
-or DLL file), you should not remove or disable any parts of the library,
-as this will cause applications linked with different versions of the
-library to fail if they call functions not available in your library.
-The size of the library itself should not be an issue, because only
-those sections that are actually used will be loaded into memory.
-
-Requesting debug printout
-
-The macro definition PNG_DEBUG can be used to request debugging
-printout. Set it to an integer value in the range 0 to 3. Higher
-numbers result in increasing amounts of debugging information. The
-information is printed to the "stderr" file, unless another file
-name is specified in the PNG_DEBUG_FILE macro definition.
-
-When PNG_DEBUG > 0, the following functions (macros) become available:
-
- png_debug(level, message)
- png_debug1(level, message, p1)
- png_debug2(level, message, p1, p2)
-
-in which "level" is compared to PNG_DEBUG to decide whether to print
-the message, "message" is the formatted string to be printed,
-and p1 and p2 are parameters that are to be embedded in the string
-according to printf-style formatting directives. For example,
-
- png_debug1(2, "foo=%d\n", foo);
-
-is expanded to
-
- if(PNG_DEBUG > 2)
- fprintf(PNG_DEBUG_FILE, "foo=%d\n", foo);
-
-When PNG_DEBUG is defined but is zero, the macros aren't defined, but you
-can still use PNG_DEBUG to control your own debugging:
-
- #ifdef PNG_DEBUG
- fprintf(stderr, ...
- #endif
-
-When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
-having level = 0 will be printed. There aren't any such statements in
-this version of libpng, but if you insert some they will be printed.
-
-VI. MNG support
-
-The MNG specification (available at http://www.libpng.org/pub/mng) allows
-certain extensions to PNG for PNG images that are embedded in MNG datastreams.
-Libpng can support some of these extensions. To enable them, use the
-png_permit_mng_features() function:
-
- feature_set = png_permit_mng_features(png_ptr, mask)
- mask is a png_uint_32 containing the bitwise OR of the
- features you want to enable. These include
- PNG_FLAG_MNG_EMPTY_PLTE
- PNG_FLAG_MNG_FILTER_64
- PNG_ALL_MNG_FEATURES
- feature_set is a png_uint_32 that is the bitwise AND of
- your mask with the set of MNG features that is
- supported by the version of libpng that you are using.
-
-It is an error to use this function when reading or writing a standalone
-PNG file with the PNG 8-byte signature. The PNG datastream must be wrapped
-in a MNG datastream. As a minimum, it must have the MNG 8-byte signature
-and the MHDR and MEND chunks. Libpng does not provide support for these
-or any other MNG chunks; your application must provide its own support for
-them. You may wish to consider using libmng (available at
-http://www.libmng.com) instead.
-
-VII. Changes to Libpng from version 0.88
-
-It should be noted that versions of libpng later than 0.96 are not
-distributed by the original libpng author, Guy Schalnat, nor by
-Andreas Dilger, who had taken over from Guy during 1996 and 1997, and
-distributed versions 0.89 through 0.96, but rather by another member
-of the original PNG Group, Glenn Randers-Pehrson. Guy and Andreas are
-still alive and well, but they have moved on to other things.
-
-The old libpng functions png_read_init(), png_write_init(),
-png_info_init(), png_read_destroy(), and png_write_destroy() have been
-moved to PNG_INTERNAL in version 0.95 to discourage their use. These
-functions will be removed from libpng version 2.0.0.
-
-The preferred method of creating and initializing the libpng structures is
-via the png_create_read_struct(), png_create_write_struct(), and
-png_create_info_struct() because they isolate the size of the structures
-from the application, allow version error checking, and also allow the
-use of custom error handling routines during the initialization, which
-the old functions do not. The functions png_read_destroy() and
-png_write_destroy() do not actually free the memory that libpng
-allocated for these structs, but just reset the data structures, so they
-can be used instead of png_destroy_read_struct() and
-png_destroy_write_struct() if you feel there is too much system overhead
-allocating and freeing the png_struct for each image read.
-
-Setting the error callbacks via png_set_message_fn() before
-png_read_init() as was suggested in libpng-0.88 is no longer supported
-because this caused applications that do not use custom error functions
-to fail if the png_ptr was not initialized to zero. It is still possible
-to set the error callbacks AFTER png_read_init(), or to change them with
-png_set_error_fn(), which is essentially the same function, but with a new
-name to force compilation errors with applications that try to use the old
-method.
-
-Starting with version 1.0.7, you can find out which version of the library
-you are using at run-time:
-
- png_uint_32 libpng_vn = png_access_version_number();
-
-The number libpng_vn is constructed from the major version, minor
-version with leading zero, and release number with leading zero,
-(e.g., libpng_vn for version 1.0.7 is 10007).
-
-You can also check which version of png.h you used when compiling your
-application:
-
- png_uint_32 application_vn = PNG_LIBPNG_VER;
-
-VIII. Changes to Libpng from version 1.0.x to 1.2.x
-
-Support for user memory management was enabled by default. To
-accomplish this, the functions png_create_read_struct_2(),
-png_create_write_struct_2(), png_set_mem_fn(), png_get_mem_ptr(),
-png_malloc_default(), and png_free_default() were added.
-
-Support for certain MNG features was enabled.
-
-Support for numbered error messages was added. However, we never got
-around to actually numbering the error messages. The function
-png_set_strip_error_numbers() was added (Note: the prototype for this
-function was inadvertently removed from png.h in PNG_NO_ASSEMBLER_CODE
-builds of libpng-1.2.15. It was restored in libpng-1.2.36).
-
-The png_malloc_warn() function was added at libpng-1.2.3. This issues
-a png_warning and returns NULL instead of aborting when it fails to
-acquire the requested memory allocation.
-
-Support for setting user limits on image width and height was enabled
-by default. The functions png_set_user_limits(), png_get_user_width_max(),
-and png_get_user_height_max() were added at libpng-1.2.6.
-
-The png_set_add_alpha() function was added at libpng-1.2.7.
-
-The function png_set_expand_gray_1_2_4_to_8() was added at libpng-1.2.9.
-Unlike png_set_gray_1_2_4_to_8(), the new function does not expand the
-tRNS chunk to alpha. The png_set_gray_1_2_4_to_8() function is
-deprecated.
-
-A number of macro definitions in support of runtime selection of
-assembler code features (especially Intel MMX code support) were
-added at libpng-1.2.0:
-
- PNG_ASM_FLAG_MMX_SUPPORT_COMPILED
- PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU
- PNG_ASM_FLAG_MMX_READ_COMBINE_ROW
- PNG_ASM_FLAG_MMX_READ_INTERLACE
- PNG_ASM_FLAG_MMX_READ_FILTER_SUB
- PNG_ASM_FLAG_MMX_READ_FILTER_UP
- PNG_ASM_FLAG_MMX_READ_FILTER_AVG
- PNG_ASM_FLAG_MMX_READ_FILTER_PAETH
- PNG_ASM_FLAGS_INITIALIZED
- PNG_MMX_READ_FLAGS
- PNG_MMX_FLAGS
- PNG_MMX_WRITE_FLAGS
- PNG_MMX_FLAGS
-
-We added the following functions in support of runtime
-selection of assembler code features:
-
- png_get_mmx_flagmask()
- png_set_mmx_thresholds()
- png_get_asm_flags()
- png_get_mmx_bitdepth_threshold()
- png_get_mmx_rowbytes_threshold()
- png_set_asm_flags()
-
-We replaced all of these functions with simple stubs in libpng-1.2.20,
-when the Intel assembler code was removed due to a licensing issue.
-
-IX. (Omitted)
-
-X. Detecting libpng
-
-The png_get_io_ptr() function has been present since libpng-0.88, has never
-changed, and is unaffected by conditional compilation macros. It is the
-best choice for use in configure scripts for detecting the presence of any
-libpng version since 0.88.
-
-XI. Source code repository
-
-Since about February 2009, version 1.2.34, libpng has been under "git" source
-control. The git repository was built from old libpng-x.y.z.tar.gz files
-going back to version 0.70. You can access the git repository (read only)
-at
-
- git://libpng.git.sourceforge.net/gitroot/libpng
-
-or you can browse it via "gitweb" at
-
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng
-
-Patches can be sent to glennrp at users.sourceforge.net or to
-png-mng-implement at lists.sourceforge.net or you can upload them to
-the libpng bug tracker at
-
- http://libpng.sourceforge.net
-
-XII. Coding style
-
-Our coding style is similar to the "Allman" style, with curly
-braces on separate lines:
-
- if (condition)
- {
- action;
- }
-
- else if (another condition)
- {
- another action;
- }
-
-The braces can be omitted from simple one-line actions:
-
- if (condition)
- return (0);
-
-We use 3-space indentation, except for continued statements which
-are usually indented the same as the first line of the statement
-plus four more spaces.
-
-Comments appear with the leading "/*" at the same indentation as
-the statement that follows the comment:
-
- /* Single-line comment */
- statement;
-
- /* Multiple-line
- * comment
- */
- statement;
-
-Very short comments can be placed at the end of the statement
-to which they pertain:
-
- statement; /* comment */
-
-We don't use C++ style ("//") comments. We have, however,
-used them in the past in some now-abandoned MMX assembler
-code.
-
-Functions and their curly brackets are not indented, and
-exported functions are marked with PNGAPI:
-
- /* This is a public function that is visible to
- * application programers. It does thus-and-so.
- */
- void PNGAPI
- png_exported_function(png_ptr, png_info, foo)
- {
- body;
- }
-
-The prototypes for all exported functions appear in png.h.
-
-We mark all non-exported functions with "/* PRIVATE */"":
-
- void /* PRIVATE */
- png_non_exported_function(png_ptr, png_info, foo)
- {
- body;
- }
-
-The prototypes for non-exported functions can appear in
-pngpriv.h or in the file where the function is located.
-
-The names of all exported functions and variables begin
-with "png_", and all publicly visible C preprocessor
-macros begin with "PNG_".
-
-We put a space after each comma and after each semicolon
-in "for" statments, and we put spaces before and after each
-C binary operator and after "for" or "while". We don't
-put a space between a typecast and the expression being
-cast, nor do we put one between a function name and the
-left parenthesis that follows it:
-
- for (i = 2; i > 0; --i)
- x[i] = a(x) + (int)b;
-
-Other rules can be inferred by inspecting the libpng
-source.
-
-XIII. Y2K Compliance in libpng
-
-June 4, 2009
-
-Since the PNG Development group is an ad-hoc body, we can't make
-an official declaration.
-
-This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.2.37 are Y2K compliant. It is my belief that earlier
-versions were also Y2K compliant.
-
-Libpng only has three year fields. One is a 2-byte unsigned integer that
-will hold years up to 65535. The other two hold the date in text
-format, and will hold years up to 9999.
-
-The integer is
- "png_uint_16 year" in png_time_struct.
-
-The strings are
- "png_charp time_buffer" in png_struct and
- "near_time_buffer", which is a local character string in png.c.
-
-There are seven time-related functions:
-
- png_convert_to_rfc_1123() in png.c
- (formerly png_convert_to_rfc_1152() in error)
- png_convert_from_struct_tm() in pngwrite.c, called
- in pngwrite.c
- png_convert_from_time_t() in pngwrite.c
- png_get_tIME() in pngget.c
- png_handle_tIME() in pngrutil.c, called in pngread.c
- png_set_tIME() in pngset.c
- png_write_tIME() in pngwutil.c, called in pngwrite.c
-
-All appear to handle dates properly in a Y2K environment. The
-png_convert_from_time_t() function calls gmtime() to convert from system
-clock time, which returns (year - 1900), which we properly convert to
-the full 4-digit year. There is a possibility that applications using
-libpng are not passing 4-digit years into the png_convert_to_rfc_1123()
-function, or that they are incorrectly passing only a 2-digit year
-instead of "year - 1900" into the png_convert_from_struct_tm() function,
-but this is not under our control. The libpng documentation has always
-stated that it works with 4-digit years, and the APIs have been
-documented as such.
-
-The tIME chunk itself is also Y2K compliant. It uses a 2-byte unsigned
-integer to hold the year, and can hold years as large as 65535.
-
-zlib, upon which libpng depends, is also Y2K compliant. It contains
-no date-related code.
-
-
- Glenn Randers-Pehrson
- libpng maintainer
- PNG Development Group
+++ /dev/null
-.TH LIBPNG 3 "June 4, 2009"
-.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.37
-.SH SYNOPSIS
-\fI\fB
-
-\fB#include <png.h>\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_access_version_number \fI(void\fP\fB);\fP
-
-\fI\fB
-
-\fBint png_check_sig (png_bytep \fP\fIsig\fP\fB, int \fInum\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_chunk_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_chunk_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_convert_from_struct_tm (png_timep \fP\fIptime\fP\fB, struct tm FAR * \fIttime\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_convert_from_time_t (png_timep \fP\fIptime\fP\fB, time_t \fIttime\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_charp png_convert_to_rfc1123 (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fIptime\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_infop png_create_info_struct (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_structp png_create_read_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_structp png_create_read_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_structp png_create_write_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_structp png_create_write_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBint png_debug(int \fP\fIlevel\fP\fB, png_const_charp \fImessage\fP\fB);\fP
-
-\fI\fB
-
-\fBint png_debug1(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fIp1\fP\fB);\fP
-
-\fI\fB
-
-\fBint png_debug2(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fP\fIp1\fP\fB, \fIp2\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_destroy_info_struct (png_structp \fP\fIpng_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_destroy_read_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fP\fIinfo_ptr_ptr\fP\fB, png_infopp \fIend_info_ptr_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_destroy_write_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_free (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_free_chunk_list (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_free_default(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_free_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fInum\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_bit_depth (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fI*background\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_channels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fI*white_x\fP\fB, double \fP\fI*white_y\fP\fB, double \fP\fI*red_x\fP\fB, double \fP\fI*red_y\fP\fB, double \fP\fI*green_x\fP\fB, double \fP\fI*green_y\fP\fB, double \fP\fI*blue_x\fP\fB, double \fI*blue_y\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*white_x\fP\fB, png_uint_32 \fP\fI*white_y\fP\fB, png_uint_32 \fP\fI*red_x\fP\fB, png_uint_32 \fP\fI*red_y\fP\fB, png_uint_32 \fP\fI*green_x\fP\fB, png_uint_32 \fP\fI*green_y\fP\fB, png_uint_32 \fP\fI*blue_x\fP\fB, png_uint_32 \fI*blue_y\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_color_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_compression_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_copyright (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_get_error_ptr (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_filter_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fI*file_gamma\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fI*int_file_gamma\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_header_ver (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_header_version (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fI*hist\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charpp \fP\fIname\fP\fB, int \fP\fI*compression_type\fP\fB, png_charpp \fP\fIprofile\fP\fB, png_uint_32 \fI*proflen\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*width\fP\fB, png_uint_32 \fP\fI*height\fP\fB, int \fP\fI*bit_depth\fP\fB, int \fP\fI*color_type\fP\fB, int \fP\fI*interlace_type\fP\fB, int \fP\fI*compression_type\fP\fB, int \fI*filter_type\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_image_height (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_image_width (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fB#if \fI!defined(PNG_1_0_X)
-
-\fBpng_int_32 png_get_int_32 (png_bytep \fIbuf\fP\fB);\fP
-
-\fI\fB#endif
-
-\fI\fB
-
-\fBpng_byte png_get_interlace_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_get_io_ptr (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_libpng_ver (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_get_mem_ptr(png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*offset_x\fP\fB, png_uint_32 \fP\fI*offset_y\fP\fB, int \fI*unit_type\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fI*purpose\fP\fB, png_int_32 \fP\fI*X0\fP\fB, png_int_32 \fP\fI*X1\fP\fB, int \fP\fI*type\fP\fB, int \fP\fI*nparams\fP\fB, png_charp \fP\fI*units\fP\fB, png_charpp \fI*params\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*res_x\fP\fB, png_uint_32 \fP\fI*res_y\fP\fB, int \fI*unit_type\fP\fB);\fP
-
-\fI\fB
-
-\fBfloat png_get_pixel_aspect_ratio (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_get_progressive_ptr (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fI*palette\fP\fB, int \fI*num_palette\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_byte png_get_rgb_to_gray_status (png_structp \fIpng_ptr)
-
-\fBpng_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_bytepp png_get_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fI*sig_bit\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_bytep png_get_signature (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fI*splt_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fI*intent\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fI*text_ptr\fP\fB, int \fI*num_text\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fI*mod_time\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fI*trans\fP\fB, int \fP\fI*num_trans\fP\fB, png_color_16p \fI*trans_values\fP\fB);\fP
-
-\fI\fB
-
-\fB#if \fI!defined(PNG_1_0_X)
-
-\fBpng_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_uint_31 (png_bytep \fIbuf\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_uint_32 (png_bytep \fIbuf\fP\fB);\fP
-
-\fI\fB#endif
-
-\fI\fB
-
-\fBpng_uint_32 png_get_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkpp \fIunknowns\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_get_user_chunk_ptr (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_user_height_max( png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_get_user_transform_ptr (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_user_width_max (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_valid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIflag\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_int_32 png_get_x_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_int_32 png_get_x_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_x_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_int_32 png_get_y_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_int_32 png_get_y_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_y_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_get_compression_buffer_size (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBint png_handle_as_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_init_io (png_structp \fP\fIpng_ptr\fP\fB, FILE \fI*fp\fP\fB);\fP
-
-\fI\fB
-
-\fBDEPRECATED: void png_info_init (png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBDEPRECATED: void png_info_init_2 (png_infopp \fP\fIptr_ptr\fP\fB, png_size_t \fIpng_info_struct_size\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_malloc (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_malloc_default(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fBvoidp png_memcpy (png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_size_t \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_memcpy_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fBvoidp png_memset (png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_size_t \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_voidp png_memset_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fBDEPRECATED: void png_permit_empty_plte (png_structp \fP\fIpng_ptr\fP\fB, int \fIempty_plte_permitted\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_process_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_size\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_progressive_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIold_row\fP\fB, png_bytep \fInew_row\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_read_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_infop \fIend_info_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_read_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP
-
-\fI\fB
-
-\fBDEPRECATED: void png_read_init (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBDEPRECATED: void png_read_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_read_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_read_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_read_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fIdisplay_row\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_read_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_bytepp \fP\fIdisplay_row\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_read_update_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fB#if \fI!defined(PNG_1_0_X)
-
-\fBpng_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_save_uint_16 (png_bytep \fP\fIbuf\fP\fB, unsigned int \fIi\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_save_uint_32 (png_bytep \fP\fIbuf\fP\fB, png_uint_32 \fIi\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP
-
-\fI\fB#endif
-
-\fI\fB
-
-\fBvoid png_set_background (png_structp \fP\fIpng_ptr\fP\fB, png_color_16p \fP\fIbackground_color\fP\fB, int \fP\fIbackground_gamma_code\fP\fB, int \fP\fIneed_expand\fP\fB, double \fIbackground_gamma\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_bgr (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fIbackground\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_compression_level (png_structp \fP\fIpng_ptr\fP\fB, int \fIlevel\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_compression_mem_level (png_structp \fP\fIpng_ptr\fP\fB, int \fImem_level\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_compression_method (png_structp \fP\fIpng_ptr\fP\fB, int \fImethod\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_compression_strategy (png_structp \fP\fIpng_ptr\fP\fB, int \fIstrategy\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_compression_window_bits (png_structp \fP\fIpng_ptr\fP\fB, int \fIwindow_bits\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_crc_action (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcrit_action\fP\fB, int \fIancil_action\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_dither (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fP\fInum_palette\fP\fB, int \fP\fImaximum_colors\fP\fB, png_uint_16p \fP\fIhistogram\fP\fB, int \fIfull_dither\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_error_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarning_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_expand (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_expand_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_filler (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_filter (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fImethod\fP\fB, int \fIfilters\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_filter_heuristics (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIheuristic_method\fP\fB, int \fP\fInum_weights\fP\fB, png_doublep \fP\fIfilter_weights\fP\fB, png_doublep \fIfilter_costs\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_flush (png_structp \fP\fIpng_ptr\fP\fB, int \fInrows\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_gamma (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIscreen_gamma\fP\fB, double \fIdefault_file_gamma\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIfile_gamma\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_gray_to_rgb (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fIhist\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, png_uint_32 \fIproflen\fP\fB);\fP
-
-\fI\fB
-
-\fBint png_set_interlace_handling (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_invalid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fImask\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_invert_alpha (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_invert_mono (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIinterlace_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fIfilter_type\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_keep_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIkeep\fP\fB, png_bytep \fP\fIchunk_list\fP\fB, int \fInum_chunks\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_mem_fn(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIoffset_x\fP\fB, png_uint_32 \fP\fIoffset_y\fP\fB, int \fIunit_type\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_packing (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_packswap (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_palette_to_rgb(png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIres_x\fP\fB, png_uint_32 \fP\fIres_y\fP\fB, int \fIunit_type\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_progressive_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIprogressive_ptr\fP\fB, png_progressive_info_ptr \fP\fIinfo_fn\fP\fB, png_progressive_row_ptr \fP\fIrow_fn\fP\fB, png_progressive_end_ptr \fIend_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fIread_data_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_read_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_read_status_ptr \fIread_row_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_read_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIread_user_transform_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_rgb_to_gray (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIerror_action\fP\fB, double \fP\fIred\fP\fB, double \fIgreen\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_rgb_to_gray_fixed (png_structp \fP\fIpng_ptr\fP\fB, int error_action png_fixed_point \fP\fIred\fP\fB, png_fixed_point \fIgreen\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytepp \fIrow_pointers\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fIsig_bit\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_shift (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fItrue_bits\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_sig_bytes (png_structp \fP\fIpng_ptr\fP\fB, int \fInum_bytes\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fP\fIsplt_ptr\fP\fB, int \fInum_spalettes\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_sRGB_gAMA_and_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_strip_16 (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_strip_alpha (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_swap (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_swap_alpha (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fP\fInum_trans\fP\fB, png_color_16p \fItrans_values\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_tRNS_to_alpha(png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBpng_uint_32 png_set_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkp \fP\fIunknowns\fP\fB, int \fP\fInum\fP\fB, int \fIlocation\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_unknown_chunk_location(png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fIchunk\fP\fB, int \fIlocation\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_read_user_chunk_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_chunk_ptr\fP\fB, png_user_chunk_ptr \fIread_user_chunk_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_user_limits (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIuser_width_max\fP\fB, png_uint_32 \fIuser_height_max\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_user_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_transform_ptr\fP\fB, int \fP\fIuser_transform_depth\fP\fB, int \fIuser_transform_channels\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_write_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fP\fIwrite_data_fn\fP\fB, png_flush_ptr \fIoutput_flush_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_write_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_write_status_ptr \fIwrite_row_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_write_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIwrite_user_transform_fn\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_set_compression_buffer_size(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fBint png_sig_cmp (png_bytep \fP\fIsig\fP\fB, png_size_t \fP\fIstart\fP\fB, png_size_t \fInum_to_check\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_start_read_image (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_chunk_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_chunk_end (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_chunk_start (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_destroy (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_flush (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP
-
-\fI\fB
-
-\fBDEPRECATED: void png_write_init (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBDEPRECATED: void png_write_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_info_before_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_write_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP
-
-\fI\fB
-
-\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
-
-\fI\fB
-
-.SH DESCRIPTION
-The
-.I libpng
-library supports encoding, decoding, and various manipulations of
-the Portable Network Graphics (PNG) format image files. It uses the
-.IR zlib(3)
-compression library.
-Following is a copy of the libpng.txt file that accompanies libpng.
-.SH LIBPNG.TXT
-libpng.txt - A description on how to use and modify libpng
-
- libpng version 1.2.37 - June 4, 2009
- Updated and distributed by Glenn Randers-Pehrson
- <glennrp at users.sourceforge.net>
- Copyright (c) 1998-2009 Glenn Randers-Pehrson
- For conditions of distribution and use, see copyright
- notice in png.h.
-
- Based on:
-
- libpng versions 0.97, January 1998, through 1.2.37 - June 4, 2009
- Updated and distributed by Glenn Randers-Pehrson
- Copyright (c) 1998-2009 Glenn Randers-Pehrson
-
- libpng 1.0 beta 6 version 0.96 May 28, 1997
- Updated and distributed by Andreas Dilger
- Copyright (c) 1996, 1997 Andreas Dilger
-
- libpng 1.0 beta 2 - version 0.88 January 26, 1996
- For conditions of distribution and use, see copyright
- notice in png.h. Copyright (c) 1995, 1996 Guy Eric
- Schalnat, Group 42, Inc.
-
- Updated/rewritten per request in the libpng FAQ
- Copyright (c) 1995, 1996 Frank J. T. Wojcik
- December 18, 1995 & January 20, 1996
-
-.SH I. Introduction
-
-This file describes how to use and modify the PNG reference library
-(known as libpng) for your own use. There are five sections to this
-file: introduction, structures, reading, writing, and modification and
-configuration notes for various special platforms. In addition to this
-file, example.c is a good starting point for using the library, as
-it is heavily commented and should include everything most people
-will need. We assume that libpng is already installed; see the
-INSTALL file for instructions on how to install libpng.
-
-For examples of libpng usage, see the files "example.c", "pngtest.c",
-and the files in the "contrib" directory, all of which are included in the
-libpng distribution.
-
-Libpng was written as a companion to the PNG specification, as a way
-of reducing the amount of time and effort it takes to support the PNG
-file format in application programs.
-
-The PNG specification (second edition), November 2003, is available as
-a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2003 (E)) at
-<http://www.w3.org/TR/2003/REC-PNG-20031110/
-The W3C and ISO documents have identical technical content.
-
-The PNG-1.2 specification is available at
-<http://www.libpng.org/pub/png/documents/>. It is technically equivalent
-to the PNG specification (second edition) but has some additional material.
-
-The PNG-1.0 specification is available
-as RFC 2083 <http://www.libpng.org/pub/png/documents/> and as a
-W3C Recommendation <http://www.w3.org/TR/REC.png.html>.
-
-Some additional chunks are described in the special-purpose public chunks
-documents at <http://www.libpng.org/pub/png/documents/>.
-
-Other information
-about PNG, and the latest version of libpng, can be found at the PNG home
-page, <http://www.libpng.org/pub/png/>.
-
-Most users will not have to modify the library significantly; advanced
-users may want to modify it more. All attempts were made to make it as
-complete as possible, while keeping the code easy to understand.
-Currently, this library only supports C. Support for other languages
-is being considered.
-
-Libpng has been designed to handle multiple sessions at one time,
-to be easily modifiable, to be portable to the vast majority of
-machines (ANSI, K&R, 16-, 32-, and 64-bit) available, and to be easy
-to use. The ultimate goal of libpng is to promote the acceptance of
-the PNG file format in whatever way possible. While there is still
-work to be done (see the TODO file), libpng should cover the
-majority of the needs of its users.
-
-Libpng uses zlib for its compression and decompression of PNG files.
-Further information about zlib, and the latest version of zlib, can
-be found at the zlib home page, <http://www.info-zip.org/pub/infozip/zlib/>.
-The zlib compression utility is a general purpose utility that is
-useful for more than PNG files, and can be used without libpng.
-See the documentation delivered with zlib for more details.
-You can usually find the source files for the zlib utility wherever you
-find the libpng source files.
-
-Libpng is thread safe, provided the threads are using different
-instances of the structures. Each thread should have its own
-png_struct and png_info instances, and thus its own image.
-Libpng does not protect itself against two threads using the
-same instance of a structure.
-
-.SH II. Structures
-
-There are two main structures that are important to libpng, png_struct
-and png_info. The first, png_struct, is an internal structure that
-will not, for the most part, be used by a user except as the first
-variable passed to every libpng function call.
-
-The png_info structure is designed to provide information about the
-PNG file. At one time, the fields of png_info were intended to be
-directly accessible to the user. However, this tended to cause problems
-with applications using dynamically loaded libraries, and as a result
-a set of interface functions for png_info (the png_get_*() and png_set_*()
-functions) was developed. The fields of png_info are still available for
-older applications, but it is suggested that applications use the new
-interfaces if at all possible.
-
-Applications that do make direct access to the members of png_struct (except
-for png_ptr->jmpbuf) must be recompiled whenever the library is updated,
-and applications that make direct access to the members of png_info must
-be recompiled if they were compiled or loaded with libpng version 1.0.6,
-in which the members were in a different order. In version 1.0.7, the
-members of the png_info structure reverted to the old order, as they were
-in versions 0.97c through 1.0.5. Starting with version 2.0.0, both
-structures are going to be hidden, and the contents of the structures will
-only be accessible through the png_get/png_set functions.
-
-The png.h header file is an invaluable reference for programming with libpng.
-And while I'm on the topic, make sure you include the libpng header file:
-
-#include <png.h>
-
-.SH III. Reading
-
-We'll now walk you through the possible functions to call when reading
-in a PNG file sequentially, briefly explaining the syntax and purpose
-of each one. See example.c and png.h for more detail. While
-progressive reading is covered in the next section, you will still
-need some of the functions discussed in this section to read a PNG
-file.
-
-.SS Setup
-
-You will want to do the I/O initialization(*) before you get into libpng,
-so if it doesn't work, you don't have much to undo. Of course, you
-will also want to insure that you are, in fact, dealing with a PNG
-file. Libpng provides a simple check to see if a file is a PNG file.
-To use it, pass in the first 1 to 8 bytes of the file to the function
-png_sig_cmp(), and it will return 0 (false) if the bytes match the
-corresponding bytes of the PNG signature, or nonzero (true) otherwise.
-Of course, the more bytes you pass in, the greater the accuracy of the
-prediction.
-
-If you are intending to keep the file pointer open for use in libpng,
-you must ensure you don't read more than 8 bytes from the beginning
-of the file, and you also have to make a call to png_set_sig_bytes_read()
-with the number of bytes you read from the beginning. Libpng will
-then only check the bytes (if any) that your program didn't read.
-
-(*): If you are not using the standard I/O functions, you will need
-to replace them with custom functions. See the discussion under
-Customizing libpng.
-
-
- FILE *fp = fopen(file_name, "rb");
- if (!fp)
- {
- return (ERROR);
- }
- fread(header, 1, number, fp);
- is_png = !png_sig_cmp(header, 0, number);
- if (!is_png)
- {
- return (NOT_PNG);
- }
-
-
-Next, png_struct and png_info need to be allocated and initialized. In
-order to ensure that the size of these structures is correct even with a
-dynamically linked libpng, there are functions to initialize and
-allocate the structures. We also pass the library version, optional
-pointers to error handling functions, and a pointer to a data struct for
-use by the error functions, if necessary (the pointer and functions can
-be NULL if the default error handlers are to be used). See the section
-on Changes to Libpng below regarding the old initialization functions.
-The structure allocation functions quietly return NULL if they fail to
-create the structure, so your application should check for that.
-
- png_structp png_ptr = png_create_read_struct
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn);
- if (!png_ptr)
- return (ERROR);
-
- png_infop info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr)
- {
- png_destroy_read_struct(&png_ptr,
- (png_infopp)NULL, (png_infopp)NULL);
- return (ERROR);
- }
-
- png_infop end_info = png_create_info_struct(png_ptr);
- if (!end_info)
- {
- png_destroy_read_struct(&png_ptr, &info_ptr,
- (png_infopp)NULL);
- return (ERROR);
- }
-
-If you want to use your own memory allocation routines,
-define PNG_USER_MEM_SUPPORTED and use
-png_create_read_struct_2() instead of png_create_read_struct():
-
- png_structp png_ptr = png_create_read_struct_2
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn, (png_voidp)
- user_mem_ptr, user_malloc_fn, user_free_fn);
-
-The error handling routines passed to png_create_read_struct()
-and the memory alloc/free routines passed to png_create_struct_2()
-are only necessary if you are not using the libpng supplied error
-handling and memory alloc/free functions.
-
-When libpng encounters an error, it expects to longjmp back
-to your routine. Therefore, you will need to call setjmp and pass
-your png_jmpbuf(png_ptr). If you read the file from different
-routines, you will need to update the jmpbuf field every time you enter
-a new routine that will call a png_*() function.
-
-See your documentation of setjmp/longjmp for your compiler for more
-information on setjmp/longjmp. See the discussion on libpng error
-handling in the Customizing Libpng section below for more information
-on the libpng error handling. If an error occurs, and libpng longjmp's
-back to your setjmp, you will want to call png_destroy_read_struct() to
-free any memory.
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct(&png_ptr, &info_ptr,
- &end_info);
- fclose(fp);
- return (ERROR);
- }
-
-If you would rather avoid the complexity of setjmp/longjmp issues,
-you can compile libpng with PNG_SETJMP_NOT_SUPPORTED, in which case
-errors will result in a call to PNG_ABORT() which defaults to abort().
-
-Now you need to set up the input code. The default for libpng is to
-use the C function fread(). If you use this, you will need to pass a
-valid FILE * in the function png_init_io(). Be sure that the file is
-opened in binary mode. If you wish to handle reading data in another
-way, you need not call the png_init_io() function, but you must then
-implement the libpng I/O methods discussed in the Customizing Libpng
-section below.
-
- png_init_io(png_ptr, fp);
-
-If you had previously opened the file and read any of the signature from
-the beginning in order to see if this was a PNG file, you need to let
-libpng know that there are some bytes missing from the start of the file.
-
- png_set_sig_bytes(png_ptr, number);
-
-.SS Setting up callback code
-
-You can set up a callback function to handle any unknown chunks in the
-input stream. You must supply the function
-
- read_chunk_callback(png_ptr ptr,
- png_unknown_chunkp chunk);
- {
- /* The unknown chunk structure contains your
- chunk data, along with similar data for any other
- unknown chunks: */
-
- png_byte name[5];
- png_byte *data;
- png_size_t size;
-
- /* Note that libpng has already taken care of
- the CRC handling */
-
- /* put your code here. Search for your chunk in the
- unknown chunk structure, process it, and return one
- of the following: */
-
- return (-n); /* chunk had an error */
- return (0); /* did not recognize */
- return (n); /* success */
- }
-
-(You can give your function another name that you like instead of
-"read_chunk_callback")
-
-To inform libpng about your function, use
-
- png_set_read_user_chunk_fn(png_ptr, user_chunk_ptr,
- read_chunk_callback);
-
-This names not only the callback function, but also a user pointer that
-you can retrieve with
-
- png_get_user_chunk_ptr(png_ptr);
-
-If you call the png_set_read_user_chunk_fn() function, then all unknown
-chunks will be saved when read, in case your callback function will need
-one or more of them. This behavior can be changed with the
-png_set_keep_unknown_chunks() function, described below.
-
-At this point, you can set up a callback function that will be
-called after each row has been read, which you can use to control
-a progress meter or the like. It's demonstrated in pngtest.c.
-You must supply a function
-
- void read_row_callback(png_ptr ptr, png_uint_32 row,
- int pass);
- {
- /* put your code here */
- }
-
-(You can give it another name that you like instead of "read_row_callback")
-
-To inform libpng about your function, use
-
- png_set_read_status_fn(png_ptr, read_row_callback);
-
-.SS Width and height limits
-
-The PNG specification allows the width and height of an image to be as
-large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
-Since very few applications really need to process such large images,
-we have imposed an arbitrary 1-million limit on rows and columns.
-Larger images will be rejected immediately with a png_error() call. If
-you wish to override this limit, you can use
-
- png_set_user_limits(png_ptr, width_max, height_max);
-
-to set your own limits, or use width_max = height_max = 0x7fffffffL
-to allow all valid dimensions (libpng may reject some very large images
-anyway because of potential buffer overflow conditions).
-
-You should put this statement after you create the PNG structure and
-before calling png_read_info(), png_read_png(), or png_process_data().
-If you need to retrieve the limits that are being applied, use
-
- width_max = png_get_user_width_max(png_ptr);
- height_max = png_get_user_height_max(png_ptr);
-
-.SS Unknown-chunk handling
-
-Now you get to set the way the library processes unknown chunks in the
-input PNG stream. Both known and unknown chunks will be read. Normal
-behavior is that known chunks will be parsed into information in
-various info_ptr members while unknown chunks will be discarded. This
-behavior can be wasteful if your application will never use some known
-chunk types. To change this, you can call:
-
- png_set_keep_unknown_chunks(png_ptr, keep,
- chunk_list, num_chunks);
- keep - 0: default unknown chunk handling
- 1: ignore; do not keep
- 2: keep only if safe-to-copy
- 3: keep even if unsafe-to-copy
- You can use these definitions:
- PNG_HANDLE_CHUNK_AS_DEFAULT 0
- PNG_HANDLE_CHUNK_NEVER 1
- PNG_HANDLE_CHUNK_IF_SAFE 2
- PNG_HANDLE_CHUNK_ALWAYS 3
- chunk_list - list of chunks affected (a byte string,
- five bytes per chunk, NULL or '\0' if
- num_chunks is 0)
- num_chunks - number of chunks affected; if 0, all
- unknown chunks are affected. If nonzero,
- only the chunks in the list are affected
-
-Unknown chunks declared in this way will be saved as raw data onto a
-list of png_unknown_chunk structures. If a chunk that is normally
-known to libpng is named in the list, it will be handled as unknown,
-according to the "keep" directive. If a chunk is named in successive
-instances of png_set_keep_unknown_chunks(), the final instance will
-take precedence. The IHDR and IEND chunks should not be named in
-chunk_list; if they are, libpng will process them normally anyway.
-
-Here is an example of the usage of png_set_keep_unknown_chunks(),
-where the private "vpAg" chunk will later be processed by a user chunk
-callback function:
-
- png_byte vpAg[5]={118, 112, 65, 103, (png_byte) '\0'};
-
- #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- png_byte unused_chunks[]=
- {
- 104, 73, 83, 84, (png_byte) '\0', /* hIST */
- 105, 84, 88, 116, (png_byte) '\0', /* iTXt */
- 112, 67, 65, 76, (png_byte) '\0', /* pCAL */
- 115, 67, 65, 76, (png_byte) '\0', /* sCAL */
- 115, 80, 76, 84, (png_byte) '\0', /* sPLT */
- 116, 73, 77, 69, (png_byte) '\0', /* tIME */
- };
- #endif
-
- ...
-
- #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- /* ignore all unknown chunks: */
- png_set_keep_unknown_chunks(read_ptr, 1, NULL, 0);
- /* except for vpAg: */
- png_set_keep_unknown_chunks(read_ptr, 2, vpAg, 1);
- /* also ignore unused known chunks: */
- png_set_keep_unknown_chunks(read_ptr, 1, unused_chunks,
- (int)sizeof(unused_chunks)/5);
- #endif
-
-.SS User limits
-
-The PNG specification allows the width and height of an image to be as
-large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
-Since very few applications really need to process such large images,
-we have imposed an arbitrary 1-million limit on rows and columns.
-Larger images will be rejected immediately with a png_error() call. If
-you wish to override this limit, you can use
-
- png_set_user_limits(png_ptr, width_max, height_max);
-
-to set your own limits, or use width_max = height_max = 0x7fffffffL
-to allow all valid dimensions (libpng may reject some very large images
-anyway because of potential buffer overflow conditions).
-
-You should put this statement after you create the PNG structure and
-before calling png_read_info(), png_read_png(), or png_process_data().
-If you need to retrieve the limits that are being applied, use
-
- width_max = png_get_user_width_max(png_ptr);
- height_max = png_get_user_height_max(png_ptr);
-
-.SS The high-level read interface
-
-At this point there are two ways to proceed; through the high-level
-read interface, or through a sequence of low-level read operations.
-You can use the high-level interface if (a) you are willing to read
-the entire image into memory, and (b) the input transformations
-you want to do are limited to the following set:
-
- PNG_TRANSFORM_IDENTITY No transformation
- PNG_TRANSFORM_STRIP_16 Strip 16-bit samples to
- 8 bits
- PNG_TRANSFORM_STRIP_ALPHA Discard the alpha channel
- PNG_TRANSFORM_PACKING Expand 1, 2 and 4-bit
- samples to bytes
- PNG_TRANSFORM_PACKSWAP Change order of packed
- pixels to LSB first
- PNG_TRANSFORM_EXPAND Perform set_expand()
- PNG_TRANSFORM_INVERT_MONO Invert monochrome images
- PNG_TRANSFORM_SHIFT Normalize pixels to the
- sBIT depth
- PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA
- to BGRA
- PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA
- to AG
- PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity
- to transparency
- PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples
-
-(This excludes setting a background color, doing gamma transformation,
-dithering, and setting filler.) If this is the case, simply do this:
-
- png_read_png(png_ptr, info_ptr, png_transforms, NULL)
-
-where png_transforms is an integer containing the bitwise OR of
-some set of transformation flags. This call is equivalent to png_read_info(),
-followed the set of transformations indicated by the transform mask,
-then png_read_image(), and finally png_read_end().
-
-(The final parameter of this call is not yet used. Someday it might point
-to transformation parameters required by some future input transform.)
-
-You must use png_transforms and not call any png_set_transform() functions
-when you use png_read_png().
-
-After you have called png_read_png(), you can retrieve the image data
-with
-
- row_pointers = png_get_rows(png_ptr, info_ptr);
-
-where row_pointers is an array of pointers to the pixel data for each row:
-
- png_bytep row_pointers[height];
-
-If you know your image size and pixel size ahead of time, you can allocate
-row_pointers prior to calling png_read_png() with
-
- if (height > PNG_UINT_32_MAX/png_sizeof(png_byte))
- png_error (png_ptr,
- "Image is too tall to process in memory");
- if (width > PNG_UINT_32_MAX/pixel_size)
- png_error (png_ptr,
- "Image is too wide to process in memory");
- row_pointers = png_malloc(png_ptr,
- height*png_sizeof(png_bytep));
- for (int i=0; i<height, i++)
- row_pointers[i]=NULL; /* security precaution */
- for (int i=0; i<height, i++)
- row_pointers[i]=png_malloc(png_ptr,
- width*pixel_size);
- png_set_rows(png_ptr, info_ptr, &row_pointers);
-
-Alternatively you could allocate your image in one big block and define
-row_pointers[i] to point into the proper places in your block.
-
-If you use png_set_rows(), the application is responsible for freeing
-row_pointers (and row_pointers[i], if they were separately allocated).
-
-If you don't allocate row_pointers ahead of time, png_read_png() will
-do it, and it'll be free'ed when you call png_destroy_*().
-
-.SS The low-level read interface
-
-If you are going the low-level route, you are now ready to read all
-the file information up to the actual image data. You do this with a
-call to png_read_info().
-
- png_read_info(png_ptr, info_ptr);
-
-This will process all chunks up to but not including the image data.
-
-.SS Querying the info structure
-
-Functions are used to get the information from the info_ptr once it
-has been read. Note that these fields may not be completely filled
-in until png_read_end() has read the chunk data following the image.
-
- png_get_IHDR(png_ptr, info_ptr, &width, &height,
- &bit_depth, &color_type, &interlace_type,
- &compression_type, &filter_method);
-
- width - holds the width of the image
- in pixels (up to 2^31).
- height - holds the height of the image
- in pixels (up to 2^31).
- bit_depth - holds the bit depth of one of the
- image channels. (valid values are
- 1, 2, 4, 8, 16 and depend also on
- the color_type. See also
- significant bits (sBIT) below).
- color_type - describes which color/alpha channels
- are present.
- PNG_COLOR_TYPE_GRAY
- (bit depths 1, 2, 4, 8, 16)
- PNG_COLOR_TYPE_GRAY_ALPHA
- (bit depths 8, 16)
- PNG_COLOR_TYPE_PALETTE
- (bit depths 1, 2, 4, 8)
- PNG_COLOR_TYPE_RGB
- (bit_depths 8, 16)
- PNG_COLOR_TYPE_RGB_ALPHA
- (bit_depths 8, 16)
-
- PNG_COLOR_MASK_PALETTE
- PNG_COLOR_MASK_COLOR
- PNG_COLOR_MASK_ALPHA
-
- filter_method - (must be PNG_FILTER_TYPE_BASE
- for PNG 1.0, and can also be
- PNG_INTRAPIXEL_DIFFERENCING if
- the PNG datastream is embedded in
- a MNG-1.0 datastream)
- compression_type - (must be PNG_COMPRESSION_TYPE_BASE
- for PNG 1.0)
- interlace_type - (PNG_INTERLACE_NONE or
- PNG_INTERLACE_ADAM7)
- Any or all of interlace_type, compression_type, of
- filter_method can be NULL if you are
- not interested in their values.
-
- channels = png_get_channels(png_ptr, info_ptr);
- channels - number of channels of info for the
- color type (valid values are 1 (GRAY,
- PALETTE), 2 (GRAY_ALPHA), 3 (RGB),
- 4 (RGB_ALPHA or RGB + filler byte))
- rowbytes = png_get_rowbytes(png_ptr, info_ptr);
- rowbytes - number of bytes needed to hold a row
-
- signature = png_get_signature(png_ptr, info_ptr);
- signature - holds the signature read from the
- file (if any). The data is kept in
- the same offset it would be if the
- whole signature were read (i.e. if an
- application had already read in 4
- bytes of signature before starting
- libpng, the remaining 4 bytes would
- be in signature[4] through signature[7]
- (see png_set_sig_bytes())).
-
-
- width = png_get_image_width(png_ptr,
- info_ptr);
- height = png_get_image_height(png_ptr,
- info_ptr);
- bit_depth = png_get_bit_depth(png_ptr,
- info_ptr);
- color_type = png_get_color_type(png_ptr,
- info_ptr);
- filter_method = png_get_filter_type(png_ptr,
- info_ptr);
- compression_type = png_get_compression_type(png_ptr,
- info_ptr);
- interlace_type = png_get_interlace_type(png_ptr,
- info_ptr);
-
-
-These are also important, but their validity depends on whether the chunk
-has been read. The png_get_valid(png_ptr, info_ptr, PNG_INFO_<chunk>) and
-png_get_<chunk>(png_ptr, info_ptr, ...) functions return non-zero if the
-data has been read, or zero if it is missing. The parameters to the
-png_get_<chunk> are set directly if they are simple data types, or a pointer
-into the info_ptr is returned for any complex types.
-
- png_get_PLTE(png_ptr, info_ptr, &palette,
- &num_palette);
- palette - the palette for the file
- (array of png_color)
- num_palette - number of entries in the palette
-
- png_get_gAMA(png_ptr, info_ptr, &gamma);
- gamma - the gamma the file is written
- at (PNG_INFO_gAMA)
-
- png_get_sRGB(png_ptr, info_ptr, &srgb_intent);
- srgb_intent - the rendering intent (PNG_INFO_sRGB)
- The presence of the sRGB chunk
- means that the pixel data is in the
- sRGB color space. This chunk also
- implies specific values of gAMA and
- cHRM.
-
- png_get_iCCP(png_ptr, info_ptr, &name,
- &compression_type, &profile, &proflen);
- name - The profile name.
- compression - The compression type; always
- PNG_COMPRESSION_TYPE_BASE for PNG 1.0.
- You may give NULL to this argument to
- ignore it.
- profile - International Color Consortium color
- profile data. May contain NULs.
- proflen - length of profile data in bytes.
-
- png_get_sBIT(png_ptr, info_ptr, &sig_bit);
- sig_bit - the number of significant bits for
- (PNG_INFO_sBIT) each of the gray,
- red, green, and blue channels,
- whichever are appropriate for the
- given color type (png_color_16)
-
- png_get_tRNS(png_ptr, info_ptr, &trans, &num_trans,
- &trans_values);
- trans - array of transparent entries for
- palette (PNG_INFO_tRNS)
- trans_values - graylevel or color sample values of
- the single transparent color for
- non-paletted images (PNG_INFO_tRNS)
- num_trans - number of transparent entries
- (PNG_INFO_tRNS)
-
- png_get_hIST(png_ptr, info_ptr, &hist);
- (PNG_INFO_hIST)
- hist - histogram of palette (array of
- png_uint_16)
-
- png_get_tIME(png_ptr, info_ptr, &mod_time);
- mod_time - time image was last modified
- (PNG_VALID_tIME)
-
- png_get_bKGD(png_ptr, info_ptr, &background);
- background - background color (PNG_VALID_bKGD)
- valid 16-bit red, green and blue
- values, regardless of color_type
-
- num_comments = png_get_text(png_ptr, info_ptr,
- &text_ptr, &num_text);
- num_comments - number of comments
- text_ptr - array of png_text holding image
- comments
- text_ptr[i].compression - type of compression used
- on "text" PNG_TEXT_COMPRESSION_NONE
- PNG_TEXT_COMPRESSION_zTXt
- PNG_ITXT_COMPRESSION_NONE
- PNG_ITXT_COMPRESSION_zTXt
- text_ptr[i].key - keyword for comment. Must contain
- 1-79 characters.
- text_ptr[i].text - text comments for current
- keyword. Can be empty.
- text_ptr[i].text_length - length of text string,
- after decompression, 0 for iTXt
- text_ptr[i].itxt_length - length of itxt string,
- after decompression, 0 for tEXt/zTXt
- text_ptr[i].lang - language of comment (empty
- string for unknown).
- text_ptr[i].lang_key - keyword in UTF-8
- (empty string for unknown).
- num_text - number of comments (same as
- num_comments; you can put NULL here
- to avoid the duplication)
- Note while png_set_text() will accept text, language,
- and translated keywords that can be NULL pointers, the
- structure returned by png_get_text will always contain
- regular zero-terminated C strings. They might be
- empty strings but they will never be NULL pointers.
-
- num_spalettes = png_get_sPLT(png_ptr, info_ptr,
- &palette_ptr);
- palette_ptr - array of palette structures holding
- contents of one or more sPLT chunks
- read.
- num_spalettes - number of sPLT chunks read.
-
- png_get_oFFs(png_ptr, info_ptr, &offset_x, &offset_y,
- &unit_type);
- offset_x - positive offset from the left edge
- of the screen
- offset_y - positive offset from the top edge
- of the screen
- unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER
-
- png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y,
- &unit_type);
- res_x - pixels/unit physical resolution in
- x direction
- res_y - pixels/unit physical resolution in
- x direction
- unit_type - PNG_RESOLUTION_UNKNOWN,
- PNG_RESOLUTION_METER
-
- png_get_sCAL(png_ptr, info_ptr, &unit, &width,
- &height)
- unit - physical scale units (an integer)
- width - width of a pixel in physical scale units
- height - height of a pixel in physical scale units
- (width and height are doubles)
-
- png_get_sCAL_s(png_ptr, info_ptr, &unit, &width,
- &height)
- unit - physical scale units (an integer)
- width - width of a pixel in physical scale units
- height - height of a pixel in physical scale units
- (width and height are strings like "2.54")
-
- num_unknown_chunks = png_get_unknown_chunks(png_ptr,
- info_ptr, &unknowns)
- unknowns - array of png_unknown_chunk
- structures holding unknown chunks
- unknowns[i].name - name of unknown chunk
- unknowns[i].data - data of unknown chunk
- unknowns[i].size - size of unknown chunk's data
- unknowns[i].location - position of chunk in file
-
- The value of "i" corresponds to the order in which the
- chunks were read from the PNG file or inserted with the
- png_set_unknown_chunks() function.
-
-The data from the pHYs chunk can be retrieved in several convenient
-forms:
-
- res_x = png_get_x_pixels_per_meter(png_ptr,
- info_ptr)
- res_y = png_get_y_pixels_per_meter(png_ptr,
- info_ptr)
- res_x_and_y = png_get_pixels_per_meter(png_ptr,
- info_ptr)
- res_x = png_get_x_pixels_per_inch(png_ptr,
- info_ptr)
- res_y = png_get_y_pixels_per_inch(png_ptr,
- info_ptr)
- res_x_and_y = png_get_pixels_per_inch(png_ptr,
- info_ptr)
- aspect_ratio = png_get_pixel_aspect_ratio(png_ptr,
- info_ptr)
-
- (Each of these returns 0 [signifying "unknown"] if
- the data is not present or if res_x is 0;
- res_x_and_y is 0 if res_x != res_y)
-
-The data from the oFFs chunk can be retrieved in several convenient
-forms:
-
- x_offset = png_get_x_offset_microns(png_ptr, info_ptr);
- y_offset = png_get_y_offset_microns(png_ptr, info_ptr);
- x_offset = png_get_x_offset_inches(png_ptr, info_ptr);
- y_offset = png_get_y_offset_inches(png_ptr, info_ptr);
-
- (Each of these returns 0 [signifying "unknown" if both
- x and y are 0] if the data is not present or if the
- chunk is present but the unit is the pixel)
-
-For more information, see the png_info definition in png.h and the
-PNG specification for chunk contents. Be careful with trusting
-rowbytes, as some of the transformations could increase the space
-needed to hold a row (expand, filler, gray_to_rgb, etc.).
-See png_read_update_info(), below.
-
-A quick word about text_ptr and num_text. PNG stores comments in
-keyword/text pairs, one pair per chunk, with no limit on the number
-of text chunks, and a 2^31 byte limit on their size. While there are
-suggested keywords, there is no requirement to restrict the use to these
-strings. It is strongly suggested that keywords and text be sensible
-to humans (that's the point), so don't use abbreviations. Non-printing
-symbols are not allowed. See the PNG specification for more details.
-There is also no requirement to have text after the keyword.
-
-Keywords should be limited to 79 Latin-1 characters without leading or
-trailing spaces, but non-consecutive spaces are allowed within the
-keyword. It is possible to have the same keyword any number of times.
-The text_ptr is an array of png_text structures, each holding a
-pointer to a language string, a pointer to a keyword and a pointer to
-a text string. The text string, language code, and translated
-keyword may be empty or NULL pointers. The keyword/text
-pairs are put into the array in the order that they are received.
-However, some or all of the text chunks may be after the image, so, to
-make sure you have read all the text chunks, don't mess with these
-until after you read the stuff after the image. This will be
-mentioned again below in the discussion that goes with png_read_end().
-
-.SS Input transformations
-
-After you've read the header information, you can set up the library
-to handle any special transformations of the image data. The various
-ways to transform the data will be described in the order that they
-should occur. This is important, as some of these change the color
-type and/or bit depth of the data, and some others only work on
-certain color types and bit depths. Even though each transformation
-checks to see if it has data that it can do something with, you should
-make sure to only enable a transformation if it will be valid for the
-data. For example, don't swap red and blue on grayscale data.
-
-The colors used for the background and transparency values should be
-supplied in the same format/depth as the current image data. They
-are stored in the same format/depth as the image data in a bKGD or tRNS
-chunk, so this is what libpng expects for this data. The colors are
-transformed to keep in sync with the image data when an application
-calls the png_read_update_info() routine (see below).
-
-Data will be decoded into the supplied row buffers packed into bytes
-unless the library has been told to transform it into another format.
-For example, 4 bit/pixel paletted or grayscale data will be returned
-2 pixels/byte with the leftmost pixel in the high-order bits of the
-byte, unless png_set_packing() is called. 8-bit RGB data will be stored
-in RGB RGB RGB format unless png_set_filler() or png_set_add_alpha()
-is called to insert filler bytes, either before or after each RGB triplet.
-16-bit RGB data will be returned RRGGBB RRGGBB, with the most significant
-byte of the color value first, unless png_set_strip_16() is called to
-transform it to regular RGB RGB triplets, or png_set_filler() or
-png_set_add alpha() is called to insert filler bytes, either before or
-after each RRGGBB triplet. Similarly, 8-bit or 16-bit grayscale data can
-be modified with
-png_set_filler(), png_set_add_alpha(), or png_set_strip_16().
-
-The following code transforms grayscale images of less than 8 to 8 bits,
-changes paletted images to RGB, and adds a full alpha channel if there is
-transparency information in a tRNS chunk. This is most useful on
-grayscale images with bit depths of 2 or 4 or if there is a multiple-image
-viewing application that wishes to treat all images in the same way.
-
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- png_set_palette_to_rgb(png_ptr);
-
- if (color_type == PNG_COLOR_TYPE_GRAY &&
- bit_depth < 8) png_set_expand_gray_1_2_4_to_8(png_ptr);
-
- if (png_get_valid(png_ptr, info_ptr,
- PNG_INFO_tRNS)) png_set_tRNS_to_alpha(png_ptr);
-
-These three functions are actually aliases for png_set_expand(), added
-in libpng version 1.0.4, with the function names expanded to improve code
-readability. In some future version they may actually do different
-things.
-
-As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
-added. It expands the sample depth without changing tRNS to alpha.
-
-PNG can have files with 16 bits per channel. If you only can handle
-8 bits per channel, this will strip the pixels down to 8 bit.
-
- if (bit_depth == 16)
- png_set_strip_16(png_ptr);
-
-If, for some reason, you don't need the alpha channel on an image,
-and you want to remove it rather than combining it with the background
-(but the image author certainly had in mind that you *would* combine
-it with the background, so that's what you should probably do):
-
- if (color_type & PNG_COLOR_MASK_ALPHA)
- png_set_strip_alpha(png_ptr);
-
-In PNG files, the alpha channel in an image
-is the level of opacity. If you need the alpha channel in an image to
-be the level of transparency instead of opacity, you can invert the
-alpha channel (or the tRNS chunk data) after it's read, so that 0 is
-fully opaque and 255 (in 8-bit or paletted images) or 65535 (in 16-bit
-images) is fully transparent, with
-
- png_set_invert_alpha(png_ptr);
-
-PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as
-they can, resulting in, for example, 8 pixels per byte for 1 bit
-files. This code expands to 1 pixel per byte without changing the
-values of the pixels:
-
- if (bit_depth < 8)
- png_set_packing(png_ptr);
-
-PNG files have possible bit depths of 1, 2, 4, 8, and 16. All pixels
-stored in a PNG image have been "scaled" or "shifted" up to the next
-higher possible bit depth (e.g. from 5 bits/sample in the range [0,31] to
-8 bits/sample in the range [0, 255]). However, it is also possible to
-convert the PNG pixel data back to the original bit depth of the image.
-This call reduces the pixels back down to the original bit depth:
-
- png_color_8p sig_bit;
-
- if (png_get_sBIT(png_ptr, info_ptr, &sig_bit))
- png_set_shift(png_ptr, sig_bit);
-
-PNG files store 3-color pixels in red, green, blue order. This code
-changes the storage of the pixels to blue, green, red:
-
- if (color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- png_set_bgr(png_ptr);
-
-PNG files store RGB pixels packed into 3 or 6 bytes. This code expands them
-into 4 or 8 bytes for windowing systems that need them in this format:
-
- if (color_type == PNG_COLOR_TYPE_RGB)
- png_set_filler(png_ptr, filler, PNG_FILLER_BEFORE);
-
-where "filler" is the 8 or 16-bit number to fill with, and the location is
-either PNG_FILLER_BEFORE or PNG_FILLER_AFTER, depending upon whether
-you want the filler before the RGB or after. This transformation
-does not affect images that already have full alpha channels. To add an
-opaque alpha channel, use filler=0xff or 0xffff and PNG_FILLER_AFTER which
-will generate RGBA pixels.
-
-Note that png_set_filler() does not change the color type. If you want
-to do that, you can add a true alpha channel with
-
- if (color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_GRAY)
- png_set_add_alpha(png_ptr, filler, PNG_FILLER_AFTER);
-
-where "filler" contains the alpha value to assign to each pixel.
-This function was added in libpng-1.2.7.
-
-If you are reading an image with an alpha channel, and you need the
-data as ARGB instead of the normal PNG format RGBA:
-
- if (color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- png_set_swap_alpha(png_ptr);
-
-For some uses, you may want a grayscale image to be represented as
-RGB. This code will do that conversion:
-
- if (color_type == PNG_COLOR_TYPE_GRAY ||
- color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- png_set_gray_to_rgb(png_ptr);
-
-Conversely, you can convert an RGB or RGBA image to grayscale or grayscale
-with alpha.
-
- if (color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- png_set_rgb_to_gray_fixed(png_ptr, error_action,
- int red_weight, int green_weight);
-
- error_action = 1: silently do the conversion
- error_action = 2: issue a warning if the original
- image has any pixel where
- red != green or red != blue
- error_action = 3: issue an error and abort the
- conversion if the original
- image has any pixel where
- red != green or red != blue
-
- red_weight: weight of red component times 100000
- green_weight: weight of green component times 100000
- If either weight is negative, default
- weights (21268, 71514) are used.
-
-If you have set error_action = 1 or 2, you can
-later check whether the image really was gray, after processing
-the image rows, with the png_get_rgb_to_gray_status(png_ptr) function.
-It will return a png_byte that is zero if the image was gray or
-1 if there were any non-gray pixels. bKGD and sBIT data
-will be silently converted to grayscale, using the green channel
-data, regardless of the error_action setting.
-
-With red_weight+green_weight<=100000,
-the normalized graylevel is computed:
-
- int rw = red_weight * 65536;
- int gw = green_weight * 65536;
- int bw = 65536 - (rw + gw);
- gray = (rw*red + gw*green + bw*blue)/65536;
-
-The default values approximate those recommended in the Charles
-Poynton's Color FAQ, <http://www.inforamp.net/~poynton/>
-Copyright (c) 1998-01-04 Charles Poynton <poynton at inforamp.net>
-
- Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
-
-Libpng approximates this with
-
- Y = 0.21268 * R + 0.7151 * G + 0.07217 * B
-
-which can be expressed with integers as
-
- Y = (6969 * R + 23434 * G + 2365 * B)/32768
-
-The calculation is done in a linear colorspace, if the image gamma
-is known.
-
-If you have a grayscale and you are using png_set_expand_depth(),
-png_set_expand(), or png_set_gray_to_rgb to change to truecolor or to
-a higher bit-depth, you must either supply the background color as a gray
-value at the original file bit-depth (need_expand = 1) or else supply the
-background color as an RGB triplet at the final, expanded bit depth
-(need_expand = 0). Similarly, if you are reading a paletted image, you
-must either supply the background color as a palette index (need_expand = 1)
-or as an RGB triplet that may or may not be in the palette (need_expand = 0).
-
- png_color_16 my_background;
- png_color_16p image_background;
-
- if (png_get_bKGD(png_ptr, info_ptr, &image_background))
- png_set_background(png_ptr, image_background,
- PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
- else
- png_set_background(png_ptr, &my_background,
- PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
-
-The png_set_background() function tells libpng to composite images
-with alpha or simple transparency against the supplied background
-color. If the PNG file contains a bKGD chunk (PNG_INFO_bKGD valid),
-you may use this color, or supply another color more suitable for
-the current display (e.g., the background color from a web page). You
-need to tell libpng whether the color is in the gamma space of the
-display (PNG_BACKGROUND_GAMMA_SCREEN for colors you supply), the file
-(PNG_BACKGROUND_GAMMA_FILE for colors from the bKGD chunk), or one
-that is neither of these gammas (PNG_BACKGROUND_GAMMA_UNIQUE - I don't
-know why anyone would use this, but it's here).
-
-To properly display PNG images on any kind of system, the application needs
-to know what the display gamma is. Ideally, the user will know this, and
-the application will allow them to set it. One method of allowing the user
-to set the display gamma separately for each system is to check for a
-SCREEN_GAMMA or DISPLAY_GAMMA environment variable, which will hopefully be
-correctly set.
-
-Note that display_gamma is the overall gamma correction required to produce
-pleasing results, which depends on the lighting conditions in the surrounding
-environment. In a dim or brightly lit room, no compensation other than
-the physical gamma exponent of the monitor is needed, while in a dark room
-a slightly smaller exponent is better.
-
- double gamma, screen_gamma;
-
- if (/* We have a user-defined screen
- gamma value */)
- {
- screen_gamma = user_defined_screen_gamma;
- }
- /* One way that applications can share the same
- screen gamma value */
- else if ((gamma_str = getenv("SCREEN_GAMMA"))
- != NULL)
- {
- screen_gamma = (double)atof(gamma_str);
- }
- /* If we don't have another value */
- else
- {
- screen_gamma = 2.2; /* A good guess for a
- PC monitor in a bright office or a dim room */
- screen_gamma = 2.0; /* A good guess for a
- PC monitor in a dark room */
- screen_gamma = 1.7 or 1.0; /* A good
- guess for Mac systems */
- }
-
-The png_set_gamma() function handles gamma transformations of the data.
-Pass both the file gamma and the current screen_gamma. If the file does
-not have a gamma value, you can pass one anyway if you have an idea what
-it is (usually 0.45455 is a good guess for GIF images on PCs). Note
-that file gammas are inverted from screen gammas. See the discussions
-on gamma in the PNG specification for an excellent description of what
-gamma is, and why all applications should support it. It is strongly
-recommended that PNG viewers support gamma correction.
-
- if (png_get_gAMA(png_ptr, info_ptr, &gamma))
- png_set_gamma(png_ptr, screen_gamma, gamma);
- else
- png_set_gamma(png_ptr, screen_gamma, 0.45455);
-
-If you need to reduce an RGB file to a paletted file, or if a paletted
-file has more entries then will fit on your screen, png_set_dither()
-will do that. Note that this is a simple match dither that merely
-finds the closest color available. This should work fairly well with
-optimized palettes, and fairly badly with linear color cubes. If you
-pass a palette that is larger then maximum_colors, the file will
-reduce the number of colors in the palette so it will fit into
-maximum_colors. If there is a histogram, it will use it to make
-more intelligent choices when reducing the palette. If there is no
-histogram, it may not do as good a job.
-
- if (color_type & PNG_COLOR_MASK_COLOR)
- {
- if (png_get_valid(png_ptr, info_ptr,
- PNG_INFO_PLTE))
- {
- png_uint_16p histogram = NULL;
-
- png_get_hIST(png_ptr, info_ptr,
- &histogram);
- png_set_dither(png_ptr, palette, num_palette,
- max_screen_colors, histogram, 1);
- }
- else
- {
- png_color std_color_cube[MAX_SCREEN_COLORS] =
- { ... colors ... };
-
- png_set_dither(png_ptr, std_color_cube,
- MAX_SCREEN_COLORS, MAX_SCREEN_COLORS,
- NULL,0);
- }
- }
-
-PNG files describe monochrome as black being zero and white being one.
-The following code will reverse this (make black be one and white be
-zero):
-
- if (bit_depth == 1 && color_type == PNG_COLOR_TYPE_GRAY)
- png_set_invert_mono(png_ptr);
-
-This function can also be used to invert grayscale and gray-alpha images:
-
- if (color_type == PNG_COLOR_TYPE_GRAY ||
- color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- png_set_invert_mono(png_ptr);
-
-PNG files store 16 bit pixels in network byte order (big-endian,
-ie. most significant bits first). This code changes the storage to the
-other way (little-endian, i.e. least significant bits first, the
-way PCs store them):
-
- if (bit_depth == 16)
- png_set_swap(png_ptr);
-
-If you are using packed-pixel images (1, 2, or 4 bits/pixel), and you
-need to change the order the pixels are packed into bytes, you can use:
-
- if (bit_depth < 8)
- png_set_packswap(png_ptr);
-
-Finally, you can write your own transformation function if none of
-the existing ones meets your needs. This is done by setting a callback
-with
-
- png_set_read_user_transform_fn(png_ptr,
- read_transform_fn);
-
-You must supply the function
-
- void read_transform_fn(png_ptr ptr, row_info_ptr
- row_info, png_bytep data)
-
-See pngtest.c for a working example. Your function will be called
-after all of the other transformations have been processed.
-
-You can also set up a pointer to a user structure for use by your
-callback function, and you can inform libpng that your transform
-function will change the number of channels or bit depth with the
-function
-
- png_set_user_transform_info(png_ptr, user_ptr,
- user_depth, user_channels);
-
-The user's application, not libpng, is responsible for allocating and
-freeing any memory required for the user structure.
-
-You can retrieve the pointer via the function
-png_get_user_transform_ptr(). For example:
-
- voidp read_user_transform_ptr =
- png_get_user_transform_ptr(png_ptr);
-
-The last thing to handle is interlacing; this is covered in detail below,
-but you must call the function here if you want libpng to handle expansion
-of the interlaced image.
-
- number_of_passes = png_set_interlace_handling(png_ptr);
-
-After setting the transformations, libpng can update your png_info
-structure to reflect any transformations you've requested with this
-call. This is most useful to update the info structure's rowbytes
-field so you can use it to allocate your image memory. This function
-will also update your palette with the correct screen_gamma and
-background if these have been given with the calls above.
-
- png_read_update_info(png_ptr, info_ptr);
-
-After you call png_read_update_info(), you can allocate any
-memory you need to hold the image. The row data is simply
-raw byte data for all forms of images. As the actual allocation
-varies among applications, no example will be given. If you
-are allocating one large chunk, you will need to build an
-array of pointers to each row, as it will be needed for some
-of the functions below.
-
-.SS Reading image data
-
-After you've allocated memory, you can read the image data.
-The simplest way to do this is in one function call. If you are
-allocating enough memory to hold the whole image, you can just
-call png_read_image() and libpng will read in all the image data
-and put it in the memory area supplied. You will need to pass in
-an array of pointers to each row.
-
-This function automatically handles interlacing, so you don't need
-to call png_set_interlace_handling() or call this function multiple
-times, or any of that other stuff necessary with png_read_rows().
-
- png_read_image(png_ptr, row_pointers);
-
-where row_pointers is:
-
- png_bytep row_pointers[height];
-
-You can point to void or char or whatever you use for pixels.
-
-If you don't want to read in the whole image at once, you can
-use png_read_rows() instead. If there is no interlacing (check
-interlace_type == PNG_INTERLACE_NONE), this is simple:
-
- png_read_rows(png_ptr, row_pointers, NULL,
- number_of_rows);
-
-where row_pointers is the same as in the png_read_image() call.
-
-If you are doing this just one row at a time, you can do this with
-a single row_pointer instead of an array of row_pointers:
-
- png_bytep row_pointer = row;
- png_read_row(png_ptr, row_pointer, NULL);
-
-If the file is interlaced (interlace_type != 0 in the IHDR chunk), things
-get somewhat harder. The only current (PNG Specification version 1.2)
-interlacing type for PNG is (interlace_type == PNG_INTERLACE_ADAM7)
-is a somewhat complicated 2D interlace scheme, known as Adam7, that
-breaks down an image into seven smaller images of varying size, based
-on an 8x8 grid.
-
-libpng can fill out those images or it can give them to you "as is".
-If you want them filled out, there are two ways to do that. The one
-mentioned in the PNG specification is to expand each pixel to cover
-those pixels that have not been read yet (the "rectangle" method).
-This results in a blocky image for the first pass, which gradually
-smooths out as more pixels are read. The other method is the "sparkle"
-method, where pixels are drawn only in their final locations, with the
-rest of the image remaining whatever colors they were initialized to
-before the start of the read. The first method usually looks better,
-but tends to be slower, as there are more pixels to put in the rows.
-
-If you don't want libpng to handle the interlacing details, just call
-png_read_rows() seven times to read in all seven images. Each of the
-images is a valid image by itself, or they can all be combined on an
-8x8 grid to form a single image (although if you intend to combine them
-you would be far better off using the libpng interlace handling).
-
-The first pass will return an image 1/8 as wide as the entire image
-(every 8th column starting in column 0) and 1/8 as high as the original
-(every 8th row starting in row 0), the second will be 1/8 as wide
-(starting in column 4) and 1/8 as high (also starting in row 0). The
-third pass will be 1/4 as wide (every 4th pixel starting in column 0) and
-1/8 as high (every 8th row starting in row 4), and the fourth pass will
-be 1/4 as wide and 1/4 as high (every 4th column starting in column 2,
-and every 4th row starting in row 0). The fifth pass will return an
-image 1/2 as wide, and 1/4 as high (starting at column 0 and row 2),
-while the sixth pass will be 1/2 as wide and 1/2 as high as the original
-(starting in column 1 and row 0). The seventh and final pass will be as
-wide as the original, and 1/2 as high, containing all of the odd
-numbered scanlines. Phew!
-
-If you want libpng to expand the images, call this before calling
-png_start_read_image() or png_read_update_info():
-
- if (interlace_type == PNG_INTERLACE_ADAM7)
- number_of_passes
- = png_set_interlace_handling(png_ptr);
-
-This will return the number of passes needed. Currently, this
-is seven, but may change if another interlace type is added.
-This function can be called even if the file is not interlaced,
-where it will return one pass.
-
-If you are not going to display the image after each pass, but are
-going to wait until the entire image is read in, use the sparkle
-effect. This effect is faster and the end result of either method
-is exactly the same. If you are planning on displaying the image
-after each pass, the "rectangle" effect is generally considered the
-better looking one.
-
-If you only want the "sparkle" effect, just call png_read_rows() as
-normal, with the third parameter NULL. Make sure you make pass over
-the image number_of_passes times, and you don't change the data in the
-rows between calls. You can change the locations of the data, just
-not the data. Each pass only writes the pixels appropriate for that
-pass, and assumes the data from previous passes is still valid.
-
- png_read_rows(png_ptr, row_pointers, NULL,
- number_of_rows);
-
-If you only want the first effect (the rectangles), do the same as
-before except pass the row buffer in the third parameter, and leave
-the second parameter NULL.
-
- png_read_rows(png_ptr, NULL, row_pointers,
- number_of_rows);
-
-.SS Finishing a sequential read
-
-After you are finished reading the image through the
-low-level interface, you can finish reading the file. If you are
-interested in comments or time, which may be stored either before or
-after the image data, you should pass the separate png_info struct if
-you want to keep the comments from before and after the image
-separate. If you are not interested, you can pass NULL.
-
- png_read_end(png_ptr, end_info);
-
-When you are done, you can free all memory allocated by libpng like this:
-
- png_destroy_read_struct(&png_ptr, &info_ptr,
- &end_info);
-
-It is also possible to individually free the info_ptr members that
-point to libpng-allocated storage with the following function:
-
- png_free_data(png_ptr, info_ptr, mask, seq)
- mask - identifies data to be freed, a mask
- containing the bitwise OR of one or
- more of
- PNG_FREE_PLTE, PNG_FREE_TRNS,
- PNG_FREE_HIST, PNG_FREE_ICCP,
- PNG_FREE_PCAL, PNG_FREE_ROWS,
- PNG_FREE_SCAL, PNG_FREE_SPLT,
- PNG_FREE_TEXT, PNG_FREE_UNKN,
- or simply PNG_FREE_ALL
- seq - sequence number of item to be freed
- (-1 for all items)
-
-This function may be safely called when the relevant storage has
-already been freed, or has not yet been allocated, or was allocated
-by the user and not by libpng, and will in those
-cases do nothing. The "seq" parameter is ignored if only one item
-of the selected data type, such as PLTE, is allowed. If "seq" is not
--1, and multiple items are allowed for the data type identified in
-the mask, such as text or sPLT, only the n'th item in the structure
-is freed, where n is "seq".
-
-The default behavior is only to free data that was allocated internally
-by libpng. This can be changed, so that libpng will not free the data,
-or so that it will free data that was allocated by the user with png_malloc()
-or png_zalloc() and passed in via a png_set_*() function, with
-
- png_data_freer(png_ptr, info_ptr, freer, mask)
- mask - which data elements are affected
- same choices as in png_free_data()
- freer - one of
- PNG_DESTROY_WILL_FREE_DATA
- PNG_SET_WILL_FREE_DATA
- PNG_USER_WILL_FREE_DATA
-
-This function only affects data that has already been allocated.
-You can call this function after reading the PNG data but before calling
-any png_set_*() functions, to control whether the user or the png_set_*()
-function is responsible for freeing any existing data that might be present,
-and again after the png_set_*() functions to control whether the user
-or png_destroy_*() is supposed to free the data. When the user assumes
-responsibility for libpng-allocated data, the application must use
-png_free() to free it, and when the user transfers responsibility to libpng
-for data that the user has allocated, the user must have used png_malloc()
-or png_zalloc() to allocate it.
-
-If you allocated your row_pointers in a single block, as suggested above in
-the description of the high level read interface, you must not transfer
-responsibility for freeing it to the png_set_rows or png_read_destroy function,
-because they would also try to free the individual row_pointers[i].
-
-If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword
-separately, do not transfer responsibility for freeing text_ptr to libpng,
-because when libpng fills a png_text structure it combines these members with
-the key member, and png_free_data() will free only text_ptr.key. Similarly,
-if you transfer responsibility for free'ing text_ptr from libpng to your
-application, your application must not separately free those members.
-
-The png_free_data() function will turn off the "valid" flag for anything
-it frees. If you need to turn the flag off for a chunk that was freed by your
-application instead of by libpng, you can use
-
- png_set_invalid(png_ptr, info_ptr, mask);
- mask - identifies the chunks to be made invalid,
- containing the bitwise OR of one or
- more of
- PNG_INFO_gAMA, PNG_INFO_sBIT,
- PNG_INFO_cHRM, PNG_INFO_PLTE,
- PNG_INFO_tRNS, PNG_INFO_bKGD,
- PNG_INFO_hIST, PNG_INFO_pHYs,
- PNG_INFO_oFFs, PNG_INFO_tIME,
- PNG_INFO_pCAL, PNG_INFO_sRGB,
- PNG_INFO_iCCP, PNG_INFO_sPLT,
- PNG_INFO_sCAL, PNG_INFO_IDAT
-
-For a more compact example of reading a PNG image, see the file example.c.
-
-.SS Reading PNG files progressively
-
-The progressive reader is slightly different then the non-progressive
-reader. Instead of calling png_read_info(), png_read_rows(), and
-png_read_end(), you make one call to png_process_data(), which calls
-callbacks when it has the info, a row, or the end of the image. You
-set up these callbacks with png_set_progressive_read_fn(). You don't
-have to worry about the input/output functions of libpng, as you are
-giving the library the data directly in png_process_data(). I will
-assume that you have read the section on reading PNG files above,
-so I will only highlight the differences (although I will show
-all of the code).
-
-png_structp png_ptr;
-png_infop info_ptr;
-
- /* An example code fragment of how you would
- initialize the progressive reader in your
- application. */
- int
- initialize_png_reader()
- {
- png_ptr = png_create_read_struct
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn);
- if (!png_ptr)
- return (ERROR);
- info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr)
- {
- png_destroy_read_struct(&png_ptr, (png_infopp)NULL,
- (png_infopp)NULL);
- return (ERROR);
- }
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct(&png_ptr, &info_ptr,
- (png_infopp)NULL);
- return (ERROR);
- }
-
- /* This one's new. You can provide functions
- to be called when the header info is valid,
- when each row is completed, and when the image
- is finished. If you aren't using all functions,
- you can specify NULL parameters. Even when all
- three functions are NULL, you need to call
- png_set_progressive_read_fn(). You can use
- any struct as the user_ptr (cast to a void pointer
- for the function call), and retrieve the pointer
- from inside the callbacks using the function
-
- png_get_progressive_ptr(png_ptr);
-
- which will return a void pointer, which you have
- to cast appropriately.
- */
- png_set_progressive_read_fn(png_ptr, (void *)user_ptr,
- info_callback, row_callback, end_callback);
-
- return 0;
- }
-
- /* A code fragment that you call as you receive blocks
- of data */
- int
- process_data(png_bytep buffer, png_uint_32 length)
- {
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct(&png_ptr, &info_ptr,
- (png_infopp)NULL);
- return (ERROR);
- }
-
- /* This one's new also. Simply give it a chunk
- of data from the file stream (in order, of
- course). On machines with segmented memory
- models machines, don't give it any more than
- 64K. The library seems to run fine with sizes
- of 4K. Although you can give it much less if
- necessary (I assume you can give it chunks of
- 1 byte, I haven't tried less then 256 bytes
- yet). When this function returns, you may
- want to display any rows that were generated
- in the row callback if you don't already do
- so there.
- */
- png_process_data(png_ptr, info_ptr, buffer, length);
- return 0;
- }
-
- /* This function is called (as set by
- png_set_progressive_read_fn() above) when enough data
- has been supplied so all of the header has been
- read.
- */
- void
- info_callback(png_structp png_ptr, png_infop info)
- {
- /* Do any setup here, including setting any of
- the transformations mentioned in the Reading
- PNG files section. For now, you _must_ call
- either png_start_read_image() or
- png_read_update_info() after all the
- transformations are set (even if you don't set
- any). You may start getting rows before
- png_process_data() returns, so this is your
- last chance to prepare for that.
- */
- }
-
- /* This function is called when each row of image
- data is complete */
- void
- row_callback(png_structp png_ptr, png_bytep new_row,
- png_uint_32 row_num, int pass)
- {
- /* If the image is interlaced, and you turned
- on the interlace handler, this function will
- be called for every row in every pass. Some
- of these rows will not be changed from the
- previous pass. When the row is not changed,
- the new_row variable will be NULL. The rows
- and passes are called in order, so you don't
- really need the row_num and pass, but I'm
- supplying them because it may make your life
- easier.
-
- For the non-NULL rows of interlaced images,
- you must call png_progressive_combine_row()
- passing in the row and the old row. You can
- call this function for NULL rows (it will just
- return) and for non-interlaced images (it just
- does the memcpy for you) if it will make the
- code easier. Thus, you can just do this for
- all cases:
- */
-
- png_progressive_combine_row(png_ptr, old_row,
- new_row);
-
- /* where old_row is what was displayed for
- previously for the row. Note that the first
- pass (pass == 0, really) will completely cover
- the old row, so the rows do not have to be
- initialized. After the first pass (and only
- for interlaced images), you will have to pass
- the current row, and the function will combine
- the old row and the new row.
- */
- }
-
- void
- end_callback(png_structp png_ptr, png_infop info)
- {
- /* This function is called after the whole image
- has been read, including any chunks after the
- image (up to and including the IEND). You
- will usually have the same info chunk as you
- had in the header, although some data may have
- been added to the comments and time fields.
-
- Most people won't do much here, perhaps setting
- a flag that marks the image as finished.
- */
- }
-
-
-
-.SH IV. Writing
-
-Much of this is very similar to reading. However, everything of
-importance is repeated here, so you won't have to constantly look
-back up in the reading section to understand writing.
-
-.SS Setup
-
-You will want to do the I/O initialization before you get into libpng,
-so if it doesn't work, you don't have anything to undo. If you are not
-using the standard I/O functions, you will need to replace them with
-custom writing functions. See the discussion under Customizing libpng.
-
- FILE *fp = fopen(file_name, "wb");
- if (!fp)
- {
- return (ERROR);
- }
-
-Next, png_struct and png_info need to be allocated and initialized.
-As these can be both relatively large, you may not want to store these
-on the stack, unless you have stack space to spare. Of course, you
-will want to check if they return NULL. If you are also reading,
-you won't want to name your read structure and your write structure
-both "png_ptr"; you can call them anything you like, such as
-"read_ptr" and "write_ptr". Look at pngtest.c, for example.
-
- png_structp png_ptr = png_create_write_struct
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn);
- if (!png_ptr)
- return (ERROR);
-
- png_infop info_ptr = png_create_info_struct(png_ptr);
- if (!info_ptr)
- {
- png_destroy_write_struct(&png_ptr,
- (png_infopp)NULL);
- return (ERROR);
- }
-
-If you want to use your own memory allocation routines,
-define PNG_USER_MEM_SUPPORTED and use
-png_create_write_struct_2() instead of png_create_write_struct():
-
- png_structp png_ptr = png_create_write_struct_2
- (PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
- user_error_fn, user_warning_fn, (png_voidp)
- user_mem_ptr, user_malloc_fn, user_free_fn);
-
-After you have these structures, you will need to set up the
-error handling. When libpng encounters an error, it expects to
-longjmp() back to your routine. Therefore, you will need to call
-setjmp() and pass the png_jmpbuf(png_ptr). If you
-write the file from different routines, you will need to update
-the png_jmpbuf(png_ptr) every time you enter a new routine that will
-call a png_*() function. See your documentation of setjmp/longjmp
-for your compiler for more information on setjmp/longjmp. See
-the discussion on libpng error handling in the Customizing Libpng
-section below for more information on the libpng error handling.
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- fclose(fp);
- return (ERROR);
- }
- ...
- return;
-
-If you would rather avoid the complexity of setjmp/longjmp issues,
-you can compile libpng with PNG_SETJMP_NOT_SUPPORTED, in which case
-errors will result in a call to PNG_ABORT() which defaults to abort().
-
-Now you need to set up the output code. The default for libpng is to
-use the C function fwrite(). If you use this, you will need to pass a
-valid FILE * in the function png_init_io(). Be sure that the file is
-opened in binary mode. Again, if you wish to handle writing data in
-another way, see the discussion on libpng I/O handling in the Customizing
-Libpng section below.
-
- png_init_io(png_ptr, fp);
-
-If you are embedding your PNG into a datastream such as MNG, and don't
-want libpng to write the 8-byte signature, or if you have already
-written the signature in your application, use
-
- png_set_sig_bytes(png_ptr, 8);
-
-to inform libpng that it should not write a signature.
-
-.SS Write callbacks
-
-At this point, you can set up a callback function that will be
-called after each row has been written, which you can use to control
-a progress meter or the like. It's demonstrated in pngtest.c.
-You must supply a function
-
- void write_row_callback(png_ptr, png_uint_32 row,
- int pass);
- {
- /* put your code here */
- }
-
-(You can give it another name that you like instead of "write_row_callback")
-
-To inform libpng about your function, use
-
- png_set_write_status_fn(png_ptr, write_row_callback);
-
-You now have the option of modifying how the compression library will
-run. The following functions are mainly for testing, but may be useful
-in some cases, like if you need to write PNG files extremely fast and
-are willing to give up some compression, or if you want to get the
-maximum possible compression at the expense of slower writing. If you
-have no special needs in this area, let the library do what it wants by
-not calling this function at all, as it has been tuned to deliver a good
-speed/compression ratio. The second parameter to png_set_filter() is
-the filter method, for which the only valid values are 0 (as of the
-July 1999 PNG specification, version 1.2) or 64 (if you are writing
-a PNG datastream that is to be embedded in a MNG datastream). The third
-parameter is a flag that indicates which filter type(s) are to be tested
-for each scanline. See the PNG specification for details on the specific filter
-types.
-
-
- /* turn on or off filtering, and/or choose
- specific filters. You can use either a single
- PNG_FILTER_VALUE_NAME or the bitwise OR of one
- or more PNG_FILTER_NAME masks. */
- png_set_filter(png_ptr, 0,
- PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE |
- PNG_FILTER_SUB | PNG_FILTER_VALUE_SUB |
- PNG_FILTER_UP | PNG_FILTER_VALUE_UP |
- PNG_FILTER_AVG | PNG_FILTER_VALUE_AVG |
- PNG_FILTER_PAETH | PNG_FILTER_VALUE_PAETH|
- PNG_ALL_FILTERS);
-
-If an application
-wants to start and stop using particular filters during compression,
-it should start out with all of the filters (to ensure that the previous
-row of pixels will be stored in case it's needed later), and then add
-and remove them after the start of compression.
-
-If you are writing a PNG datastream that is to be embedded in a MNG
-datastream, the second parameter can be either 0 or 64.
-
-The png_set_compression_*() functions interface to the zlib compression
-library, and should mostly be ignored unless you really know what you are
-doing. The only generally useful call is png_set_compression_level()
-which changes how much time zlib spends on trying to compress the image
-data. See the Compression Library (zlib.h and algorithm.txt, distributed
-with zlib) for details on the compression levels.
-
- /* set the zlib compression level */
- png_set_compression_level(png_ptr,
- Z_BEST_COMPRESSION);
-
- /* set other zlib parameters */
- png_set_compression_mem_level(png_ptr, 8);
- png_set_compression_strategy(png_ptr,
- Z_DEFAULT_STRATEGY);
- png_set_compression_window_bits(png_ptr, 15);
- png_set_compression_method(png_ptr, 8);
- png_set_compression_buffer_size(png_ptr, 8192)
-
-extern PNG_EXPORT(void,png_set_zbuf_size)
-
-.SS Setting the contents of info for output
-
-You now need to fill in the png_info structure with all the data you
-wish to write before the actual image. Note that the only thing you
-are allowed to write after the image is the text chunks and the time
-chunk (as of PNG Specification 1.2, anyway). See png_write_end() and
-the latest PNG specification for more information on that. If you
-wish to write them before the image, fill them in now, and flag that
-data as being valid. If you want to wait until after the data, don't
-fill them until png_write_end(). For all the fields in png_info and
-their data types, see png.h. For explanations of what the fields
-contain, see the PNG specification.
-
-Some of the more important parts of the png_info are:
-
- png_set_IHDR(png_ptr, info_ptr, width, height,
- bit_depth, color_type, interlace_type,
- compression_type, filter_method)
- width - holds the width of the image
- in pixels (up to 2^31).
- height - holds the height of the image
- in pixels (up to 2^31).
- bit_depth - holds the bit depth of one of the
- image channels.
- (valid values are 1, 2, 4, 8, 16
- and depend also on the
- color_type. See also significant
- bits (sBIT) below).
- color_type - describes which color/alpha
- channels are present.
- PNG_COLOR_TYPE_GRAY
- (bit depths 1, 2, 4, 8, 16)
- PNG_COLOR_TYPE_GRAY_ALPHA
- (bit depths 8, 16)
- PNG_COLOR_TYPE_PALETTE
- (bit depths 1, 2, 4, 8)
- PNG_COLOR_TYPE_RGB
- (bit_depths 8, 16)
- PNG_COLOR_TYPE_RGB_ALPHA
- (bit_depths 8, 16)
-
- PNG_COLOR_MASK_PALETTE
- PNG_COLOR_MASK_COLOR
- PNG_COLOR_MASK_ALPHA
-
- interlace_type - PNG_INTERLACE_NONE or
- PNG_INTERLACE_ADAM7
- compression_type - (must be
- PNG_COMPRESSION_TYPE_DEFAULT)
- filter_method - (must be PNG_FILTER_TYPE_DEFAULT
- or, if you are writing a PNG to
- be embedded in a MNG datastream,
- can also be
- PNG_INTRAPIXEL_DIFFERENCING)
-
-If you call png_set_IHDR(), the call must appear before any of the
-other png_set_*() functions, which might require access to some of
-the IHDR settings. The remaining png_set_*() functions can be called
-in any order.
-
- png_set_PLTE(png_ptr, info_ptr, palette,
- num_palette);
- palette - the palette for the file
- (array of png_color)
- num_palette - number of entries in the palette
-
- png_set_gAMA(png_ptr, info_ptr, gamma);
- gamma - the gamma the image was created
- at (PNG_INFO_gAMA)
-
- png_set_sRGB(png_ptr, info_ptr, srgb_intent);
- srgb_intent - the rendering intent
- (PNG_INFO_sRGB) The presence of
- the sRGB chunk means that the pixel
- data is in the sRGB color space.
- This chunk also implies specific
- values of gAMA and cHRM. Rendering
- intent is the CSS-1 property that
- has been defined by the International
- Color Consortium
- (http://www.color.org).
- It can be one of
- PNG_sRGB_INTENT_SATURATION,
- PNG_sRGB_INTENT_PERCEPTUAL,
- PNG_sRGB_INTENT_ABSOLUTE, or
- PNG_sRGB_INTENT_RELATIVE.
-
-
- png_set_sRGB_gAMA_and_cHRM(png_ptr, info_ptr,
- srgb_intent);
- srgb_intent - the rendering intent
- (PNG_INFO_sRGB) The presence of the
- sRGB chunk means that the pixel
- data is in the sRGB color space.
- This function also causes gAMA and
- cHRM chunks with the specific values
- that are consistent with sRGB to be
- written.
-
- png_set_iCCP(png_ptr, info_ptr, name, compression_type,
- profile, proflen);
- name - The profile name.
- compression - The compression type; always
- PNG_COMPRESSION_TYPE_BASE for PNG 1.0.
- You may give NULL to this argument to
- ignore it.
- profile - International Color Consortium color
- profile data. May contain NULs.
- proflen - length of profile data in bytes.
-
- png_set_sBIT(png_ptr, info_ptr, sig_bit);
- sig_bit - the number of significant bits for
- (PNG_INFO_sBIT) each of the gray, red,
- green, and blue channels, whichever are
- appropriate for the given color type
- (png_color_16)
-
- png_set_tRNS(png_ptr, info_ptr, trans, num_trans,
- trans_values);
- trans - array of transparent entries for
- palette (PNG_INFO_tRNS)
- trans_values - graylevel or color sample values of
- the single transparent color for
- non-paletted images (PNG_INFO_tRNS)
- num_trans - number of transparent entries
- (PNG_INFO_tRNS)
-
- png_set_hIST(png_ptr, info_ptr, hist);
- (PNG_INFO_hIST)
- hist - histogram of palette (array of
- png_uint_16)
-
- png_set_tIME(png_ptr, info_ptr, mod_time);
- mod_time - time image was last modified
- (PNG_VALID_tIME)
-
- png_set_bKGD(png_ptr, info_ptr, background);
- background - background color (PNG_VALID_bKGD)
-
- png_set_text(png_ptr, info_ptr, text_ptr, num_text);
- text_ptr - array of png_text holding image
- comments
- text_ptr[i].compression - type of compression used
- on "text" PNG_TEXT_COMPRESSION_NONE
- PNG_TEXT_COMPRESSION_zTXt
- PNG_ITXT_COMPRESSION_NONE
- PNG_ITXT_COMPRESSION_zTXt
- text_ptr[i].key - keyword for comment. Must contain
- 1-79 characters.
- text_ptr[i].text - text comments for current
- keyword. Can be NULL or empty.
- text_ptr[i].text_length - length of text string,
- after decompression, 0 for iTXt
- text_ptr[i].itxt_length - length of itxt string,
- after decompression, 0 for tEXt/zTXt
- text_ptr[i].lang - language of comment (NULL or
- empty for unknown).
- text_ptr[i].translated_keyword - keyword in UTF-8 (NULL
- or empty for unknown).
- num_text - number of comments
-
- png_set_sPLT(png_ptr, info_ptr, &palette_ptr,
- num_spalettes);
- palette_ptr - array of png_sPLT_struct structures
- to be added to the list of palettes
- in the info structure.
- num_spalettes - number of palette structures to be
- added.
-
- png_set_oFFs(png_ptr, info_ptr, offset_x, offset_y,
- unit_type);
- offset_x - positive offset from the left
- edge of the screen
- offset_y - positive offset from the top
- edge of the screen
- unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER
-
- png_set_pHYs(png_ptr, info_ptr, res_x, res_y,
- unit_type);
- res_x - pixels/unit physical resolution
- in x direction
- res_y - pixels/unit physical resolution
- in y direction
- unit_type - PNG_RESOLUTION_UNKNOWN,
- PNG_RESOLUTION_METER
-
- png_set_sCAL(png_ptr, info_ptr, unit, width, height)
- unit - physical scale units (an integer)
- width - width of a pixel in physical scale units
- height - height of a pixel in physical scale units
- (width and height are doubles)
-
- png_set_sCAL_s(png_ptr, info_ptr, unit, width, height)
- unit - physical scale units (an integer)
- width - width of a pixel in physical scale units
- height - height of a pixel in physical scale units
- (width and height are strings like "2.54")
-
- png_set_unknown_chunks(png_ptr, info_ptr, &unknowns,
- num_unknowns)
- unknowns - array of png_unknown_chunk
- structures holding unknown chunks
- unknowns[i].name - name of unknown chunk
- unknowns[i].data - data of unknown chunk
- unknowns[i].size - size of unknown chunk's data
- unknowns[i].location - position to write chunk in file
- 0: do not write chunk
- PNG_HAVE_IHDR: before PLTE
- PNG_HAVE_PLTE: before IDAT
- PNG_AFTER_IDAT: after IDAT
-
-The "location" member is set automatically according to
-what part of the output file has already been written.
-You can change its value after calling png_set_unknown_chunks()
-as demonstrated in pngtest.c. Within each of the "locations",
-the chunks are sequenced according to their position in the
-structure (that is, the value of "i", which is the order in which
-the chunk was either read from the input file or defined with
-png_set_unknown_chunks).
-
-A quick word about text and num_text. text is an array of png_text
-structures. num_text is the number of valid structures in the array.
-Each png_text structure holds a language code, a keyword, a text value,
-and a compression type.
-
-The compression types have the same valid numbers as the compression
-types of the image data. Currently, the only valid number is zero.
-However, you can store text either compressed or uncompressed, unlike
-images, which always have to be compressed. So if you don't want the
-text compressed, set the compression type to PNG_TEXT_COMPRESSION_NONE.
-Because tEXt and zTXt chunks don't have a language field, if you
-specify PNG_TEXT_COMPRESSION_NONE or PNG_TEXT_COMPRESSION_zTXt
-any language code or translated keyword will not be written out.
-
-Until text gets around 1000 bytes, it is not worth compressing it.
-After the text has been written out to the file, the compression type
-is set to PNG_TEXT_COMPRESSION_NONE_WR or PNG_TEXT_COMPRESSION_zTXt_WR,
-so that it isn't written out again at the end (in case you are calling
-png_write_end() with the same struct.
-
-The keywords that are given in the PNG Specification are:
-
- Title Short (one line) title or
- caption for image
- Author Name of image's creator
- Description Description of image (possibly long)
- Copyright Copyright notice
- Creation Time Time of original image creation
- (usually RFC 1123 format, see below)
- Software Software used to create the image
- Disclaimer Legal disclaimer
- Warning Warning of nature of content
- Source Device used to create the image
- Comment Miscellaneous comment; conversion
- from other image format
-
-The keyword-text pairs work like this. Keywords should be short
-simple descriptions of what the comment is about. Some typical
-keywords are found in the PNG specification, as is some recommendations
-on keywords. You can repeat keywords in a file. You can even write
-some text before the image and some after. For example, you may want
-to put a description of the image before the image, but leave the
-disclaimer until after, so viewers working over modem connections
-don't have to wait for the disclaimer to go over the modem before
-they start seeing the image. Finally, keywords should be full
-words, not abbreviations. Keywords and text are in the ISO 8859-1
-(Latin-1) character set (a superset of regular ASCII) and can not
-contain NUL characters, and should not contain control or other
-unprintable characters. To make the comments widely readable, stick
-with basic ASCII, and avoid machine specific character set extensions
-like the IBM-PC character set. The keyword must be present, but
-you can leave off the text string on non-compressed pairs.
-Compressed pairs must have a text string, as only the text string
-is compressed anyway, so the compression would be meaningless.
-
-PNG supports modification time via the png_time structure. Two
-conversion routines are provided, png_convert_from_time_t() for
-time_t and png_convert_from_struct_tm() for struct tm. The
-time_t routine uses gmtime(). You don't have to use either of
-these, but if you wish to fill in the png_time structure directly,
-you should provide the time in universal time (GMT) if possible
-instead of your local time. Note that the year number is the full
-year (e.g. 1998, rather than 98 - PNG is year 2000 compliant!), and
-that months start with 1.
-
-If you want to store the time of the original image creation, you should
-use a plain tEXt chunk with the "Creation Time" keyword. This is
-necessary because the "creation time" of a PNG image is somewhat vague,
-depending on whether you mean the PNG file, the time the image was
-created in a non-PNG format, a still photo from which the image was
-scanned, or possibly the subject matter itself. In order to facilitate
-machine-readable dates, it is recommended that the "Creation Time"
-tEXt chunk use RFC 1123 format dates (e.g. "22 May 1997 18:07:10 GMT"),
-although this isn't a requirement. Unlike the tIME chunk, the
-"Creation Time" tEXt chunk is not expected to be automatically changed
-by the software. To facilitate the use of RFC 1123 dates, a function
-png_convert_to_rfc1123(png_timep) is provided to convert from PNG
-time to an RFC 1123 format string.
-
-.SS Writing unknown chunks
-
-You can use the png_set_unknown_chunks function to queue up chunks
-for writing. You give it a chunk name, raw data, and a size; that's
-all there is to it. The chunks will be written by the next following
-png_write_info_before_PLTE, png_write_info, or png_write_end function.
-Any chunks previously read into the info structure's unknown-chunk
-list will also be written out in a sequence that satisfies the PNG
-specification's ordering rules.
-
-.SS The high-level write interface
-
-At this point there are two ways to proceed; through the high-level
-write interface, or through a sequence of low-level write operations.
-You can use the high-level interface if your image data is present
-in the info structure. All defined output
-transformations are permitted, enabled by the following masks.
-
- PNG_TRANSFORM_IDENTITY No transformation
- PNG_TRANSFORM_PACKING Pack 1, 2 and 4-bit samples
- PNG_TRANSFORM_PACKSWAP Change order of packed
- pixels to LSB first
- PNG_TRANSFORM_INVERT_MONO Invert monochrome images
- PNG_TRANSFORM_SHIFT Normalize pixels to the
- sBIT depth
- PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA
- to BGRA
- PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA
- to AG
- PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity
- to transparency
- PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples
- PNG_TRANSFORM_STRIP_FILLER Strip out filler
- bytes (deprecated).
- PNG_TRANSFORM_STRIP_FILLER_BEFORE Strip out leading
- filler bytes
- PNG_TRANSFORM_STRIP_FILLER_AFTER Strip out trailing
- filler bytes
-
-If you have valid image data in the info structure (you can use
-png_set_rows() to put image data in the info structure), simply do this:
-
- png_write_png(png_ptr, info_ptr, png_transforms, NULL)
-
-where png_transforms is an integer containing the bitwise OR of some set of
-transformation flags. This call is equivalent to png_write_info(),
-followed the set of transformations indicated by the transform mask,
-then png_write_image(), and finally png_write_end().
-
-(The final parameter of this call is not yet used. Someday it might point
-to transformation parameters required by some future output transform.)
-
-You must use png_transforms and not call any png_set_transform() functions
-when you use png_write_png().
-
-.SS The low-level write interface
-
-If you are going the low-level route instead, you are now ready to
-write all the file information up to the actual image data. You do
-this with a call to png_write_info().
-
- png_write_info(png_ptr, info_ptr);
-
-Note that there is one transformation you may need to do before
-png_write_info(). In PNG files, the alpha channel in an image is the
-level of opacity. If your data is supplied as a level of
-transparency, you can invert the alpha channel before you write it, so
-that 0 is fully transparent and 255 (in 8-bit or paletted images) or
-65535 (in 16-bit images) is fully opaque, with
-
- png_set_invert_alpha(png_ptr);
-
-This must appear before png_write_info() instead of later with the
-other transformations because in the case of paletted images the tRNS
-chunk data has to be inverted before the tRNS chunk is written. If
-your image is not a paletted image, the tRNS data (which in such cases
-represents a single color to be rendered as transparent) won't need to
-be changed, and you can safely do this transformation after your
-png_write_info() call.
-
-If you need to write a private chunk that you want to appear before
-the PLTE chunk when PLTE is present, you can write the PNG info in
-two steps, and insert code to write your own chunk between them:
-
- png_write_info_before_PLTE(png_ptr, info_ptr);
- png_set_unknown_chunks(png_ptr, info_ptr, ...);
- png_write_info(png_ptr, info_ptr);
-
-After you've written the file information, you can set up the library
-to handle any special transformations of the image data. The various
-ways to transform the data will be described in the order that they
-should occur. This is important, as some of these change the color
-type and/or bit depth of the data, and some others only work on
-certain color types and bit depths. Even though each transformation
-checks to see if it has data that it can do something with, you should
-make sure to only enable a transformation if it will be valid for the
-data. For example, don't swap red and blue on grayscale data.
-
-PNG files store RGB pixels packed into 3 or 6 bytes. This code tells
-the library to strip input data that has 4 or 8 bytes per pixel down
-to 3 or 6 bytes (or strip 2 or 4-byte grayscale+filler data to 1 or 2
-bytes per pixel).
-
- png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE);
-
-where the 0 is unused, and the location is either PNG_FILLER_BEFORE or
-PNG_FILLER_AFTER, depending upon whether the filler byte in the pixel
-is stored XRGB or RGBX.
-
-PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as
-they can, resulting in, for example, 8 pixels per byte for 1 bit files.
-If the data is supplied at 1 pixel per byte, use this code, which will
-correctly pack the pixels into a single byte:
-
- png_set_packing(png_ptr);
-
-PNG files reduce possible bit depths to 1, 2, 4, 8, and 16. If your
-data is of another bit depth, you can write an sBIT chunk into the
-file so that decoders can recover the original data if desired.
-
- /* Set the true bit depth of the image data */
- if (color_type & PNG_COLOR_MASK_COLOR)
- {
- sig_bit.red = true_bit_depth;
- sig_bit.green = true_bit_depth;
- sig_bit.blue = true_bit_depth;
- }
- else
- {
- sig_bit.gray = true_bit_depth;
- }
- if (color_type & PNG_COLOR_MASK_ALPHA)
- {
- sig_bit.alpha = true_bit_depth;
- }
-
- png_set_sBIT(png_ptr, info_ptr, &sig_bit);
-
-If the data is stored in the row buffer in a bit depth other than
-one supported by PNG (e.g. 3 bit data in the range 0-7 for a 4-bit PNG),
-this will scale the values to appear to be the correct bit depth as
-is required by PNG.
-
- png_set_shift(png_ptr, &sig_bit);
-
-PNG files store 16 bit pixels in network byte order (big-endian,
-ie. most significant bits first). This code would be used if they are
-supplied the other way (little-endian, i.e. least significant bits
-first, the way PCs store them):
-
- if (bit_depth > 8)
- png_set_swap(png_ptr);
-
-If you are using packed-pixel images (1, 2, or 4 bits/pixel), and you
-need to change the order the pixels are packed into bytes, you can use:
-
- if (bit_depth < 8)
- png_set_packswap(png_ptr);
-
-PNG files store 3 color pixels in red, green, blue order. This code
-would be used if they are supplied as blue, green, red:
-
- png_set_bgr(png_ptr);
-
-PNG files describe monochrome as black being zero and white being
-one. This code would be used if the pixels are supplied with this reversed
-(black being one and white being zero):
-
- png_set_invert_mono(png_ptr);
-
-Finally, you can write your own transformation function if none of
-the existing ones meets your needs. This is done by setting a callback
-with
-
- png_set_write_user_transform_fn(png_ptr,
- write_transform_fn);
-
-You must supply the function
-
- void write_transform_fn(png_ptr ptr, row_info_ptr
- row_info, png_bytep data)
-
-See pngtest.c for a working example. Your function will be called
-before any of the other transformations are processed.
-
-You can also set up a pointer to a user structure for use by your
-callback function.
-
- png_set_user_transform_info(png_ptr, user_ptr, 0, 0);
-
-The user_channels and user_depth parameters of this function are ignored
-when writing; you can set them to zero as shown.
-
-You can retrieve the pointer via the function png_get_user_transform_ptr().
-For example:
-
- voidp write_user_transform_ptr =
- png_get_user_transform_ptr(png_ptr);
-
-It is possible to have libpng flush any pending output, either manually,
-or automatically after a certain number of lines have been written. To
-flush the output stream a single time call:
-
- png_write_flush(png_ptr);
-
-and to have libpng flush the output stream periodically after a certain
-number of scanlines have been written, call:
-
- png_set_flush(png_ptr, nrows);
-
-Note that the distance between rows is from the last time png_write_flush()
-was called, or the first row of the image if it has never been called.
-So if you write 50 lines, and then png_set_flush 25, it will flush the
-output on the next scanline, and every 25 lines thereafter, unless
-png_write_flush() is called before 25 more lines have been written.
-If nrows is too small (less than about 10 lines for a 640 pixel wide
-RGB image) the image compression may decrease noticeably (although this
-may be acceptable for real-time applications). Infrequent flushing will
-only degrade the compression performance by a few percent over images
-that do not use flushing.
-
-.SS Writing the image data
-
-That's it for the transformations. Now you can write the image data.
-The simplest way to do this is in one function call. If you have the
-whole image in memory, you can just call png_write_image() and libpng
-will write the image. You will need to pass in an array of pointers to
-each row. This function automatically handles interlacing, so you don't
-need to call png_set_interlace_handling() or call this function multiple
-times, or any of that other stuff necessary with png_write_rows().
-
- png_write_image(png_ptr, row_pointers);
-
-where row_pointers is:
-
- png_byte *row_pointers[height];
-
-You can point to void or char or whatever you use for pixels.
-
-If you don't want to write the whole image at once, you can
-use png_write_rows() instead. If the file is not interlaced,
-this is simple:
-
- png_write_rows(png_ptr, row_pointers,
- number_of_rows);
-
-row_pointers is the same as in the png_write_image() call.
-
-If you are just writing one row at a time, you can do this with
-a single row_pointer instead of an array of row_pointers:
-
- png_bytep row_pointer = row;
-
- png_write_row(png_ptr, row_pointer);
-
-When the file is interlaced, things can get a good deal more
-complicated. The only currently (as of the PNG Specification
-version 1.2, dated July 1999) defined interlacing scheme for PNG files
-is the "Adam7" interlace scheme, that breaks down an
-image into seven smaller images of varying size. libpng will build
-these images for you, or you can do them yourself. If you want to
-build them yourself, see the PNG specification for details of which
-pixels to write when.
-
-If you don't want libpng to handle the interlacing details, just
-use png_set_interlace_handling() and call png_write_rows() the
-correct number of times to write all seven sub-images.
-
-If you want libpng to build the sub-images, call this before you start
-writing any rows:
-
- number_of_passes =
- png_set_interlace_handling(png_ptr);
-
-This will return the number of passes needed. Currently, this
-is seven, but may change if another interlace type is added.
-
-Then write the complete image number_of_passes times.
-
- png_write_rows(png_ptr, row_pointers,
- number_of_rows);
-
-As some of these rows are not used, and thus return immediately,
-you may want to read about interlacing in the PNG specification,
-and only update the rows that are actually used.
-
-.SS Finishing a sequential write
-
-After you are finished writing the image, you should finish writing
-the file. If you are interested in writing comments or time, you should
-pass an appropriately filled png_info pointer. If you are not interested,
-you can pass NULL.
-
- png_write_end(png_ptr, info_ptr);
-
-When you are done, you can free all memory used by libpng like this:
-
- png_destroy_write_struct(&png_ptr, &info_ptr);
-
-It is also possible to individually free the info_ptr members that
-point to libpng-allocated storage with the following function:
-
- png_free_data(png_ptr, info_ptr, mask, seq)
- mask - identifies data to be freed, a mask
- containing the bitwise OR of one or
- more of
- PNG_FREE_PLTE, PNG_FREE_TRNS,
- PNG_FREE_HIST, PNG_FREE_ICCP,
- PNG_FREE_PCAL, PNG_FREE_ROWS,
- PNG_FREE_SCAL, PNG_FREE_SPLT,
- PNG_FREE_TEXT, PNG_FREE_UNKN,
- or simply PNG_FREE_ALL
- seq - sequence number of item to be freed
- (-1 for all items)
-
-This function may be safely called when the relevant storage has
-already been freed, or has not yet been allocated, or was allocated
-by the user and not by libpng, and will in those
-cases do nothing. The "seq" parameter is ignored if only one item
-of the selected data type, such as PLTE, is allowed. If "seq" is not
--1, and multiple items are allowed for the data type identified in
-the mask, such as text or sPLT, only the n'th item in the structure
-is freed, where n is "seq".
-
-If you allocated data such as a palette that you passed
-in to libpng with png_set_*, you must not free it until just before the call to
-png_destroy_write_struct().
-
-The default behavior is only to free data that was allocated internally
-by libpng. This can be changed, so that libpng will not free the data,
-or so that it will free data that was allocated by the user with png_malloc()
-or png_zalloc() and passed in via a png_set_*() function, with
-
- png_data_freer(png_ptr, info_ptr, freer, mask)
- mask - which data elements are affected
- same choices as in png_free_data()
- freer - one of
- PNG_DESTROY_WILL_FREE_DATA
- PNG_SET_WILL_FREE_DATA
- PNG_USER_WILL_FREE_DATA
-
-For example, to transfer responsibility for some data from a read structure
-to a write structure, you could use
-
- png_data_freer(read_ptr, read_info_ptr,
- PNG_USER_WILL_FREE_DATA,
- PNG_FREE_PLTE|PNG_FREE_tRNS|PNG_FREE_hIST)
- png_data_freer(write_ptr, write_info_ptr,
- PNG_DESTROY_WILL_FREE_DATA,
- PNG_FREE_PLTE|PNG_FREE_tRNS|PNG_FREE_hIST)
-
-thereby briefly reassigning responsibility for freeing to the user but
-immediately afterwards reassigning it once more to the write_destroy
-function. Having done this, it would then be safe to destroy the read
-structure and continue to use the PLTE, tRNS, and hIST data in the write
-structure.
-
-This function only affects data that has already been allocated.
-You can call this function before calling after the png_set_*() functions
-to control whether the user or png_destroy_*() is supposed to free the data.
-When the user assumes responsibility for libpng-allocated data, the
-application must use
-png_free() to free it, and when the user transfers responsibility to libpng
-for data that the user has allocated, the user must have used png_malloc()
-or png_zalloc() to allocate it.
-
-If you allocated text_ptr.text, text_ptr.lang, and text_ptr.translated_keyword
-separately, do not transfer responsibility for freeing text_ptr to libpng,
-because when libpng fills a png_text structure it combines these members with
-the key member, and png_free_data() will free only text_ptr.key. Similarly,
-if you transfer responsibility for free'ing text_ptr from libpng to your
-application, your application must not separately free those members.
-For a more compact example of writing a PNG image, see the file example.c.
-
-.SH V. Modifying/Customizing libpng:
-
-There are two issues here. The first is changing how libpng does
-standard things like memory allocation, input/output, and error handling.
-The second deals with more complicated things like adding new chunks,
-adding new transformations, and generally changing how libpng works.
-Both of those are compile-time issues; that is, they are generally
-determined at the time the code is written, and there is rarely a need
-to provide the user with a means of changing them.
-
-Memory allocation, input/output, and error handling
-
-All of the memory allocation, input/output, and error handling in libpng
-goes through callbacks that are user-settable. The default routines are
-in pngmem.c, pngrio.c, pngwio.c, and pngerror.c, respectively. To change
-these functions, call the appropriate png_set_*_fn() function.
-
-Memory allocation is done through the functions png_malloc()
-and png_free(). These currently just call the standard C functions. If
-your pointers can't access more then 64K at a time, you will want to set
-MAXSEG_64K in zlib.h. Since it is unlikely that the method of handling
-memory allocation on a platform will change between applications, these
-functions must be modified in the library at compile time. If you prefer
-to use a different method of allocating and freeing data, you can use
-png_create_read_struct_2() or png_create_write_struct_2() to register
-your own functions as described above.
-These functions also provide a void pointer that can be retrieved via
-
- mem_ptr=png_get_mem_ptr(png_ptr);
-
-Your replacement memory functions must have prototypes as follows:
-
- png_voidp malloc_fn(png_structp png_ptr,
- png_size_t size);
- void free_fn(png_structp png_ptr, png_voidp ptr);
-
-Your malloc_fn() must return NULL in case of failure. The png_malloc()
-function will normally call png_error() if it receives a NULL from the
-system memory allocator or from your replacement malloc_fn().
-
-Your free_fn() will never be called with a NULL ptr, since libpng's
-png_free() checks for NULL before calling free_fn().
-
-Input/Output in libpng is done through png_read() and png_write(),
-which currently just call fread() and fwrite(). The FILE * is stored in
-png_struct and is initialized via png_init_io(). If you wish to change
-the method of I/O, the library supplies callbacks that you can set
-through the function png_set_read_fn() and png_set_write_fn() at run
-time, instead of calling the png_init_io() function. These functions
-also provide a void pointer that can be retrieved via the function
-png_get_io_ptr(). For example:
-
- png_set_read_fn(png_structp read_ptr,
- voidp read_io_ptr, png_rw_ptr read_data_fn)
-
- png_set_write_fn(png_structp write_ptr,
- voidp write_io_ptr, png_rw_ptr write_data_fn,
- png_flush_ptr output_flush_fn);
-
- voidp read_io_ptr = png_get_io_ptr(read_ptr);
- voidp write_io_ptr = png_get_io_ptr(write_ptr);
-
-The replacement I/O functions must have prototypes as follows:
-
- void user_read_data(png_structp png_ptr,
- png_bytep data, png_size_t length);
- void user_write_data(png_structp png_ptr,
- png_bytep data, png_size_t length);
- void user_flush_data(png_structp png_ptr);
-
-The user_read_data() function is responsible for detecting and
-handling end-of-data errors.
-
-Supplying NULL for the read, write, or flush functions sets them back
-to using the default C stream functions, which expect the io_ptr to
-point to a standard *FILE structure. It is probably a mistake
-to use NULL for one of write_data_fn and output_flush_fn but not both
-of them, unless you have built libpng with PNG_NO_WRITE_FLUSH defined.
-It is an error to read from a write stream, and vice versa.
-
-Error handling in libpng is done through png_error() and png_warning().
-Errors handled through png_error() are fatal, meaning that png_error()
-should never return to its caller. Currently, this is handled via
-setjmp() and longjmp() (unless you have compiled libpng with
-PNG_SETJMP_NOT_SUPPORTED, in which case it is handled via PNG_ABORT()),
-but you could change this to do things like exit() if you should wish.
-
-On non-fatal errors, png_warning() is called
-to print a warning message, and then control returns to the calling code.
-By default png_error() and png_warning() print a message on stderr via
-fprintf() unless the library is compiled with PNG_NO_CONSOLE_IO defined
-(because you don't want the messages) or PNG_NO_STDIO defined (because
-fprintf() isn't available). If you wish to change the behavior of the error
-functions, you will need to set up your own message callbacks. These
-functions are normally supplied at the time that the png_struct is created.
-It is also possible to redirect errors and warnings to your own replacement
-functions after png_create_*_struct() has been called by calling:
-
- png_set_error_fn(png_structp png_ptr,
- png_voidp error_ptr, png_error_ptr error_fn,
- png_error_ptr warning_fn);
-
- png_voidp error_ptr = png_get_error_ptr(png_ptr);
-
-If NULL is supplied for either error_fn or warning_fn, then the libpng
-default function will be used, calling fprintf() and/or longjmp() if a
-problem is encountered. The replacement error functions should have
-parameters as follows:
-
- void user_error_fn(png_structp png_ptr,
- png_const_charp error_msg);
- void user_warning_fn(png_structp png_ptr,
- png_const_charp warning_msg);
-
-The motivation behind using setjmp() and longjmp() is the C++ throw and
-catch exception handling methods. This makes the code much easier to write,
-as there is no need to check every return code of every function call.
-However, there are some uncertainties about the status of local variables
-after a longjmp, so the user may want to be careful about doing anything after
-setjmp returns non-zero besides returning itself. Consult your compiler
-documentation for more details. For an alternative approach, you may wish
-to use the "cexcept" facility (see http://cexcept.sourceforge.net).
-
-.SS Custom chunks
-
-If you need to read or write custom chunks, you may need to get deeper
-into the libpng code. The library now has mechanisms for storing
-and writing chunks of unknown type; you can even declare callbacks
-for custom chunks. However, this may not be good enough if the
-library code itself needs to know about interactions between your
-chunk and existing `intrinsic' chunks.
-
-If you need to write a new intrinsic chunk, first read the PNG
-specification. Acquire a first level of
-understanding of how it works. Pay particular attention to the
-sections that describe chunk names, and look at how other chunks were
-designed, so you can do things similarly. Second, check out the
-sections of libpng that read and write chunks. Try to find a chunk
-that is similar to yours and use it as a template. More details can
-be found in the comments inside the code. It is best to handle unknown
-chunks in a generic method, via callback functions, instead of by
-modifying libpng functions.
-
-If you wish to write your own transformation for the data, look through
-the part of the code that does the transformations, and check out some of
-the simpler ones to get an idea of how they work. Try to find a similar
-transformation to the one you want to add and copy off of it. More details
-can be found in the comments inside the code itself.
-
-.SS Configuring for 16 bit platforms
-
-You will want to look into zconf.h to tell zlib (and thus libpng) that
-it cannot allocate more then 64K at a time. Even if you can, the memory
-won't be accessible. So limit zlib and libpng to 64K by defining MAXSEG_64K.
-
-.SS Configuring for DOS
-
-For DOS users who only have access to the lower 640K, you will
-have to limit zlib's memory usage via a png_set_compression_mem_level()
-call. See zlib.h or zconf.h in the zlib library for more information.
-
-.SS Configuring for Medium Model
-
-Libpng's support for medium model has been tested on most of the popular
-compilers. Make sure MAXSEG_64K gets defined, USE_FAR_KEYWORD gets
-defined, and FAR gets defined to far in pngconf.h, and you should be
-all set. Everything in the library (except for zlib's structure) is
-expecting far data. You must use the typedefs with the p or pp on
-the end for pointers (or at least look at them and be careful). Make
-note that the rows of data are defined as png_bytepp, which is an
-unsigned char far * far *.
-
-.SS Configuring for gui/windowing platforms:
-
-You will need to write new error and warning functions that use the GUI
-interface, as described previously, and set them to be the error and
-warning functions at the time that png_create_*_struct() is called,
-in order to have them available during the structure initialization.
-They can be changed later via png_set_error_fn(). On some compilers,
-you may also have to change the memory allocators (png_malloc, etc.).
-
-.SS Configuring for compiler xxx:
-
-All includes for libpng are in pngconf.h. If you need to add, change
-or delete an include, this is the place to do it.
-The includes that are not needed outside libpng are protected by the
-PNG_INTERNAL definition, which is only defined for those routines inside
-libpng itself. The files in libpng proper only include png.h, which
-includes pngconf.h.
-
-.SS Configuring zlib:
-
-There are special functions to configure the compression. Perhaps the
-most useful one changes the compression level, which currently uses
-input compression values in the range 0 - 9. The library normally
-uses the default compression level (Z_DEFAULT_COMPRESSION = 6). Tests
-have shown that for a large majority of images, compression values in
-the range 3-6 compress nearly as well as higher levels, and do so much
-faster. For online applications it may be desirable to have maximum speed
-(Z_BEST_SPEED = 1). With versions of zlib after v0.99, you can also
-specify no compression (Z_NO_COMPRESSION = 0), but this would create
-files larger than just storing the raw bitmap. You can specify the
-compression level by calling:
-
- png_set_compression_level(png_ptr, level);
-
-Another useful one is to reduce the memory level used by the library.
-The memory level defaults to 8, but it can be lowered if you are
-short on memory (running DOS, for example, where you only have 640K).
-Note that the memory level does have an effect on compression; among
-other things, lower levels will result in sections of incompressible
-data being emitted in smaller stored blocks, with a correspondingly
-larger relative overhead of up to 15% in the worst case.
-
- png_set_compression_mem_level(png_ptr, level);
-
-The other functions are for configuring zlib. They are not recommended
-for normal use and may result in writing an invalid PNG file. See
-zlib.h for more information on what these mean.
-
- png_set_compression_strategy(png_ptr,
- strategy);
- png_set_compression_window_bits(png_ptr,
- window_bits);
- png_set_compression_method(png_ptr, method);
- png_set_compression_buffer_size(png_ptr, size);
-
-.SS Controlling row filtering
-
-If you want to control whether libpng uses filtering or not, which
-filters are used, and how it goes about picking row filters, you
-can call one of these functions. The selection and configuration
-of row filters can have a significant impact on the size and
-encoding speed and a somewhat lesser impact on the decoding speed
-of an image. Filtering is enabled by default for RGB and grayscale
-images (with and without alpha), but not for paletted images nor
-for any images with bit depths less than 8 bits/pixel.
-
-The 'method' parameter sets the main filtering method, which is
-currently only '0' in the PNG 1.2 specification. The 'filters'
-parameter sets which filter(s), if any, should be used for each
-scanline. Possible values are PNG_ALL_FILTERS and PNG_NO_FILTERS
-to turn filtering on and off, respectively.
-
-Individual filter types are PNG_FILTER_NONE, PNG_FILTER_SUB,
-PNG_FILTER_UP, PNG_FILTER_AVG, PNG_FILTER_PAETH, which can be bitwise
-ORed together with '|' to specify one or more filters to use.
-These filters are described in more detail in the PNG specification.
-If you intend to change the filter type during the course of writing
-the image, you should start with flags set for all of the filters
-you intend to use so that libpng can initialize its internal
-structures appropriately for all of the filter types. (Note that this
-means the first row must always be adaptively filtered, because libpng
-currently does not allocate the filter buffers until png_write_row()
-is called for the first time.)
-
- filters = PNG_FILTER_NONE | PNG_FILTER_SUB
- PNG_FILTER_UP | PNG_FILTER_AVG |
- PNG_FILTER_PAETH | PNG_ALL_FILTERS;
-
- png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE,
- filters);
- The second parameter can also be
- PNG_INTRAPIXEL_DIFFERENCING if you are
- writing a PNG to be embedded in a MNG
- datastream. This parameter must be the
- same as the value of filter_method used
- in png_set_IHDR().
-
-It is also possible to influence how libpng chooses from among the
-available filters. This is done in one or both of two ways - by
-telling it how important it is to keep the same filter for successive
-rows, and by telling it the relative computational costs of the filters.
-
- double weights[3] = {1.5, 1.3, 1.1},
- costs[PNG_FILTER_VALUE_LAST] =
- {1.0, 1.3, 1.3, 1.5, 1.7};
-
- png_set_filter_heuristics(png_ptr,
- PNG_FILTER_HEURISTIC_WEIGHTED, 3,
- weights, costs);
-
-The weights are multiplying factors that indicate to libpng that the
-row filter should be the same for successive rows unless another row filter
-is that many times better than the previous filter. In the above example,
-if the previous 3 filters were SUB, SUB, NONE, the SUB filter could have a
-"sum of absolute differences" 1.5 x 1.3 times higher than other filters
-and still be chosen, while the NONE filter could have a sum 1.1 times
-higher than other filters and still be chosen. Unspecified weights are
-taken to be 1.0, and the specified weights should probably be declining
-like those above in order to emphasize recent filters over older filters.
-
-The filter costs specify for each filter type a relative decoding cost
-to be considered when selecting row filters. This means that filters
-with higher costs are less likely to be chosen over filters with lower
-costs, unless their "sum of absolute differences" is that much smaller.
-The costs do not necessarily reflect the exact computational speeds of
-the various filters, since this would unduly influence the final image
-size.
-
-Note that the numbers above were invented purely for this example and
-are given only to help explain the function usage. Little testing has
-been done to find optimum values for either the costs or the weights.
-
-.SS Removing unwanted object code
-
-There are a bunch of #define's in pngconf.h that control what parts of
-libpng are compiled. All the defines end in _SUPPORTED. If you are
-never going to use a capability, you can change the #define to #undef
-before recompiling libpng and save yourself code and data space, or
-you can turn off individual capabilities with defines that begin with
-PNG_NO_.
-
-You can also turn all of the transforms and ancillary chunk capabilities
-off en masse with compiler directives that define
-PNG_NO_READ[or WRITE]_TRANSFORMS, or PNG_NO_READ[or WRITE]_ANCILLARY_CHUNKS,
-or all four,
-along with directives to turn on any of the capabilities that you do
-want. The PNG_NO_READ[or WRITE]_TRANSFORMS directives disable
-the extra transformations but still leave the library fully capable of reading
-and writing PNG files with all known public chunks
-Use of the PNG_NO_READ[or WRITE]_ANCILLARY_CHUNKS directive
-produces a library that is incapable of reading or writing ancillary chunks.
-If you are not using the progressive reading capability, you can
-turn that off with PNG_NO_PROGRESSIVE_READ (don't confuse
-this with the INTERLACING capability, which you'll still have).
-
-All the reading and writing specific code are in separate files, so the
-linker should only grab the files it needs. However, if you want to
-make sure, or if you are building a stand alone library, all the
-reading files start with pngr and all the writing files start with
-pngw. The files that don't match either (like png.c, pngtrans.c, etc.)
-are used for both reading and writing, and always need to be included.
-The progressive reader is in pngpread.c
-
-If you are creating or distributing a dynamically linked library (a .so
-or DLL file), you should not remove or disable any parts of the library,
-as this will cause applications linked with different versions of the
-library to fail if they call functions not available in your library.
-The size of the library itself should not be an issue, because only
-those sections that are actually used will be loaded into memory.
-
-.SS Requesting debug printout
-
-The macro definition PNG_DEBUG can be used to request debugging
-printout. Set it to an integer value in the range 0 to 3. Higher
-numbers result in increasing amounts of debugging information. The
-information is printed to the "stderr" file, unless another file
-name is specified in the PNG_DEBUG_FILE macro definition.
-
-When PNG_DEBUG > 0, the following functions (macros) become available:
-
- png_debug(level, message)
- png_debug1(level, message, p1)
- png_debug2(level, message, p1, p2)
-
-in which "level" is compared to PNG_DEBUG to decide whether to print
-the message, "message" is the formatted string to be printed,
-and p1 and p2 are parameters that are to be embedded in the string
-according to printf-style formatting directives. For example,
-
- png_debug1(2, "foo=%d\n", foo);
-
-is expanded to
-
- if(PNG_DEBUG > 2)
- fprintf(PNG_DEBUG_FILE, "foo=%d\n", foo);
-
-When PNG_DEBUG is defined but is zero, the macros aren't defined, but you
-can still use PNG_DEBUG to control your own debugging:
-
- #ifdef PNG_DEBUG
- fprintf(stderr, ...
- #endif
-
-When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
-having level = 0 will be printed. There aren't any such statements in
-this version of libpng, but if you insert some they will be printed.
-
-.SH VI. MNG support
-
-The MNG specification (available at http://www.libpng.org/pub/mng) allows
-certain extensions to PNG for PNG images that are embedded in MNG datastreams.
-Libpng can support some of these extensions. To enable them, use the
-png_permit_mng_features() function:
-
- feature_set = png_permit_mng_features(png_ptr, mask)
- mask is a png_uint_32 containing the bitwise OR of the
- features you want to enable. These include
- PNG_FLAG_MNG_EMPTY_PLTE
- PNG_FLAG_MNG_FILTER_64
- PNG_ALL_MNG_FEATURES
- feature_set is a png_uint_32 that is the bitwise AND of
- your mask with the set of MNG features that is
- supported by the version of libpng that you are using.
-
-It is an error to use this function when reading or writing a standalone
-PNG file with the PNG 8-byte signature. The PNG datastream must be wrapped
-in a MNG datastream. As a minimum, it must have the MNG 8-byte signature
-and the MHDR and MEND chunks. Libpng does not provide support for these
-or any other MNG chunks; your application must provide its own support for
-them. You may wish to consider using libmng (available at
-http://www.libmng.com) instead.
-
-.SH VII. Changes to Libpng from version 0.88
-
-It should be noted that versions of libpng later than 0.96 are not
-distributed by the original libpng author, Guy Schalnat, nor by
-Andreas Dilger, who had taken over from Guy during 1996 and 1997, and
-distributed versions 0.89 through 0.96, but rather by another member
-of the original PNG Group, Glenn Randers-Pehrson. Guy and Andreas are
-still alive and well, but they have moved on to other things.
-
-The old libpng functions png_read_init(), png_write_init(),
-png_info_init(), png_read_destroy(), and png_write_destroy() have been
-moved to PNG_INTERNAL in version 0.95 to discourage their use. These
-functions will be removed from libpng version 2.0.0.
-
-The preferred method of creating and initializing the libpng structures is
-via the png_create_read_struct(), png_create_write_struct(), and
-png_create_info_struct() because they isolate the size of the structures
-from the application, allow version error checking, and also allow the
-use of custom error handling routines during the initialization, which
-the old functions do not. The functions png_read_destroy() and
-png_write_destroy() do not actually free the memory that libpng
-allocated for these structs, but just reset the data structures, so they
-can be used instead of png_destroy_read_struct() and
-png_destroy_write_struct() if you feel there is too much system overhead
-allocating and freeing the png_struct for each image read.
-
-Setting the error callbacks via png_set_message_fn() before
-png_read_init() as was suggested in libpng-0.88 is no longer supported
-because this caused applications that do not use custom error functions
-to fail if the png_ptr was not initialized to zero. It is still possible
-to set the error callbacks AFTER png_read_init(), or to change them with
-png_set_error_fn(), which is essentially the same function, but with a new
-name to force compilation errors with applications that try to use the old
-method.
-
-Starting with version 1.0.7, you can find out which version of the library
-you are using at run-time:
-
- png_uint_32 libpng_vn = png_access_version_number();
-
-The number libpng_vn is constructed from the major version, minor
-version with leading zero, and release number with leading zero,
-(e.g., libpng_vn for version 1.0.7 is 10007).
-
-You can also check which version of png.h you used when compiling your
-application:
-
- png_uint_32 application_vn = PNG_LIBPNG_VER;
-
-.SH VIII. Changes to Libpng from version 1.0.x to 1.2.x
-
-Support for user memory management was enabled by default. To
-accomplish this, the functions png_create_read_struct_2(),
-png_create_write_struct_2(), png_set_mem_fn(), png_get_mem_ptr(),
-png_malloc_default(), and png_free_default() were added.
-
-Support for certain MNG features was enabled.
-
-Support for numbered error messages was added. However, we never got
-around to actually numbering the error messages. The function
-png_set_strip_error_numbers() was added (Note: the prototype for this
-function was inadvertently removed from png.h in PNG_NO_ASSEMBLER_CODE
-builds of libpng-1.2.15. It was restored in libpng-1.2.36).
-
-The png_malloc_warn() function was added at libpng-1.2.3. This issues
-a png_warning and returns NULL instead of aborting when it fails to
-acquire the requested memory allocation.
-
-Support for setting user limits on image width and height was enabled
-by default. The functions png_set_user_limits(), png_get_user_width_max(),
-and png_get_user_height_max() were added at libpng-1.2.6.
-
-The png_set_add_alpha() function was added at libpng-1.2.7.
-
-The function png_set_expand_gray_1_2_4_to_8() was added at libpng-1.2.9.
-Unlike png_set_gray_1_2_4_to_8(), the new function does not expand the
-tRNS chunk to alpha. The png_set_gray_1_2_4_to_8() function is
-deprecated.
-
-A number of macro definitions in support of runtime selection of
-assembler code features (especially Intel MMX code support) were
-added at libpng-1.2.0:
-
- PNG_ASM_FLAG_MMX_SUPPORT_COMPILED
- PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU
- PNG_ASM_FLAG_MMX_READ_COMBINE_ROW
- PNG_ASM_FLAG_MMX_READ_INTERLACE
- PNG_ASM_FLAG_MMX_READ_FILTER_SUB
- PNG_ASM_FLAG_MMX_READ_FILTER_UP
- PNG_ASM_FLAG_MMX_READ_FILTER_AVG
- PNG_ASM_FLAG_MMX_READ_FILTER_PAETH
- PNG_ASM_FLAGS_INITIALIZED
- PNG_MMX_READ_FLAGS
- PNG_MMX_FLAGS
- PNG_MMX_WRITE_FLAGS
- PNG_MMX_FLAGS
-
-We added the following functions in support of runtime
-selection of assembler code features:
-
- png_get_mmx_flagmask()
- png_set_mmx_thresholds()
- png_get_asm_flags()
- png_get_mmx_bitdepth_threshold()
- png_get_mmx_rowbytes_threshold()
- png_set_asm_flags()
-
-We replaced all of these functions with simple stubs in libpng-1.2.20,
-when the Intel assembler code was removed due to a licensing issue.
-
-.SH IX. (Omitted)
-
-.SH X. Detecting libpng
-
-The png_get_io_ptr() function has been present since libpng-0.88, has never
-changed, and is unaffected by conditional compilation macros. It is the
-best choice for use in configure scripts for detecting the presence of any
-libpng version since 0.88.
-
-.SH XI. Source code repository
-
-Since about February 2009, version 1.2.34, libpng has been under "git" source
-control. The git repository was built from old libpng-x.y.z.tar.gz files
-going back to version 0.70. You can access the git repository (read only)
-at
-
- git://libpng.git.sourceforge.net/gitroot/libpng
-
-or you can browse it via "gitweb" at
-
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng
-
-Patches can be sent to glennrp at users.sourceforge.net or to
-png-mng-implement at lists.sourceforge.net or you can upload them to
-the libpng bug tracker at
-
- http://libpng.sourceforge.net
-
-.SH XII. Coding style
-
-Our coding style is similar to the "Allman" style, with curly
-braces on separate lines:
-
- if (condition)
- {
- action;
- }
-
- else if (another condition)
- {
- another action;
- }
-
-The braces can be omitted from simple one-line actions:
-
- if (condition)
- return (0);
-
-We use 3-space indentation, except for continued statements which
-are usually indented the same as the first line of the statement
-plus four more spaces.
-
-Comments appear with the leading "/*" at the same indentation as
-the statement that follows the comment:
-
- /* Single-line comment */
- statement;
-
- /* Multiple-line
- * comment
- */
- statement;
-
-Very short comments can be placed at the end of the statement
-to which they pertain:
-
- statement; /* comment */
-
-We don't use C++ style ("//") comments. We have, however,
-used them in the past in some now-abandoned MMX assembler
-code.
-
-Functions and their curly brackets are not indented, and
-exported functions are marked with PNGAPI:
-
- /* This is a public function that is visible to
- * application programers. It does thus-and-so.
- */
- void PNGAPI
- png_exported_function(png_ptr, png_info, foo)
- {
- body;
- }
-
-The prototypes for all exported functions appear in png.h.
-
-We mark all non-exported functions with "/* PRIVATE */"":
-
- void /* PRIVATE */
- png_non_exported_function(png_ptr, png_info, foo)
- {
- body;
- }
-
-The prototypes for non-exported functions can appear in
-pngpriv.h or in the file where the function is located.
-
-The names of all exported functions and variables begin
-with "png_", and all publicly visible C preprocessor
-macros begin with "PNG_".
-
-We put a space after each comma and after each semicolon
-in "for" statments, and we put spaces before and after each
-C binary operator and after "for" or "while". We don't
-put a space between a typecast and the expression being
-cast, nor do we put one between a function name and the
-left parenthesis that follows it:
-
- for (i = 2; i > 0; --i)
- x[i] = a(x) + (int)b;
-
-Other rules can be inferred by inspecting the libpng
-source.
-
-.SH XIII. Y2K Compliance in libpng
-
-June 4, 2009
-
-Since the PNG Development group is an ad-hoc body, we can't make
-an official declaration.
-
-This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.2.37 are Y2K compliant. It is my belief that earlier
-versions were also Y2K compliant.
-
-Libpng only has three year fields. One is a 2-byte unsigned integer that
-will hold years up to 65535. The other two hold the date in text
-format, and will hold years up to 9999.
-
-The integer is
- "png_uint_16 year" in png_time_struct.
-
-The strings are
- "png_charp time_buffer" in png_struct and
- "near_time_buffer", which is a local character string in png.c.
-
-There are seven time-related functions:
-
- png_convert_to_rfc_1123() in png.c
- (formerly png_convert_to_rfc_1152() in error)
- png_convert_from_struct_tm() in pngwrite.c, called
- in pngwrite.c
- png_convert_from_time_t() in pngwrite.c
- png_get_tIME() in pngget.c
- png_handle_tIME() in pngrutil.c, called in pngread.c
- png_set_tIME() in pngset.c
- png_write_tIME() in pngwutil.c, called in pngwrite.c
-
-All appear to handle dates properly in a Y2K environment. The
-png_convert_from_time_t() function calls gmtime() to convert from system
-clock time, which returns (year - 1900), which we properly convert to
-the full 4-digit year. There is a possibility that applications using
-libpng are not passing 4-digit years into the png_convert_to_rfc_1123()
-function, or that they are incorrectly passing only a 2-digit year
-instead of "year - 1900" into the png_convert_from_struct_tm() function,
-but this is not under our control. The libpng documentation has always
-stated that it works with 4-digit years, and the APIs have been
-documented as such.
-
-The tIME chunk itself is also Y2K compliant. It uses a 2-byte unsigned
-integer to hold the year, and can hold years as large as 65535.
-
-zlib, upon which libpng depends, is also Y2K compliant. It contains
-no date-related code.
-
-
- Glenn Randers-Pehrson
- libpng maintainer
- PNG Development Group
-
-.SH NOTE
-
-Note about libpng version numbers:
-
-Due to various miscommunications, unforeseen code incompatibilities
-and occasional factors outside the authors' control, version numbering
-on the library has not always been consistent and straightforward.
-The following table summarizes matters since version 0.89c, which was
-the first widely used release:
-
- source png.h png.h shared-lib
- version string int version
- ------- ------ ----- ----------
- 0.89c ("beta 3") 0.89 89 1.0.89
- 0.90 ("beta 4") 0.90 90 0.90
- 0.95 ("beta 5") 0.95 95 0.95
- 0.96 ("beta 6") 0.96 96 0.96
- 0.97b ("beta 7") 1.00.97 97 1.0.1
- 0.97c 0.97 97 2.0.97
- 0.98 0.98 98 2.0.98
- 0.99 0.99 98 2.0.99
- 0.99a-m 0.99 99 2.0.99
- 1.00 1.00 100 2.1.0
- 1.0.0 1.0.0 100 2.1.0
- 1.0.0 (from here on, the 100 2.1.0
- 1.0.1 png.h string is 10001 2.1.0
- 1.0.1a-e identical to the 10002 from here on, the
- 1.0.2 source version) 10002 shared library is 2.V
- 1.0.2a-b 10003 where V is the source
- 1.0.1 10001 code version except as
- 1.0.1a-e 10002 2.1.0.1a-e noted.
- 1.0.2 10002 2.1.0.2
- 1.0.2a-b 10003 2.1.0.2a-b
- 1.0.3 10003 2.1.0.3
- 1.0.3a-d 10004 2.1.0.3a-d
- 1.0.4 10004 2.1.0.4
- 1.0.4a-f 10005 2.1.0.4a-f
- 1.0.5 (+ 2 patches) 10005 2.1.0.5
- 1.0.5a-d 10006 2.1.0.5a-d
- 1.0.5e-r 10100 2.1.0.5e-r
- 1.0.5s-v 10006 2.1.0.5s-v
- 1.0.6 (+ 3 patches) 10006 2.1.0.6
- 1.0.6d-g 10007 2.1.0.6d-g
- 1.0.6h 10007 10.6h
- 1.0.6i 10007 10.6i
- 1.0.6j 10007 2.1.0.6j
- 1.0.7beta11-14 DLLNUM 10007 2.1.0.7beta11-14
- 1.0.7beta15-18 1 10007 2.1.0.7beta15-18
- 1.0.7rc1-2 1 10007 2.1.0.7rc1-2
- 1.0.7 1 10007 2.1.0.7
- 1.0.8beta1-4 1 10008 2.1.0.8beta1-4
- 1.0.8rc1 1 10008 2.1.0.8rc1
- 1.0.8 1 10008 2.1.0.8
- 1.0.9beta1-6 1 10009 2.1.0.9beta1-6
- 1.0.9rc1 1 10009 2.1.0.9rc1
- 1.0.9beta7-10 1 10009 2.1.0.9beta7-10
- 1.0.9rc2 1 10009 2.1.0.9rc2
- 1.0.9 1 10009 2.1.0.9
- 1.0.10beta1 1 10010 2.1.0.10beta1
- 1.0.10rc1 1 10010 2.1.0.10rc1
- 1.0.10 1 10010 2.1.0.10
- 1.0.11beta1-3 1 10011 2.1.0.11beta1-3
- 1.0.11rc1 1 10011 2.1.0.11rc1
- 1.0.11 1 10011 2.1.0.11
- 1.0.12beta1-2 2 10012 2.1.0.12beta1-2
- 1.0.12rc1 2 10012 2.1.0.12rc1
- 1.0.12 2 10012 2.1.0.12
- 1.1.0a-f - 10100 2.1.1.0a-f abandoned
- 1.2.0beta1-2 2 10200 2.1.2.0beta1-2
- 1.2.0beta3-5 3 10200 3.1.2.0beta3-5
- 1.2.0rc1 3 10200 3.1.2.0rc1
- 1.2.0 3 10200 3.1.2.0
- 1.2.1beta-4 3 10201 3.1.2.1beta1-4
- 1.2.1rc1-2 3 10201 3.1.2.1rc1-2
- 1.2.1 3 10201 3.1.2.1
- 1.2.2beta1-6 12 10202 12.so.0.1.2.2beta1-6
- 1.0.13beta1 10 10013 10.so.0.1.0.13beta1
- 1.0.13rc1 10 10013 10.so.0.1.0.13rc1
- 1.2.2rc1 12 10202 12.so.0.1.2.2rc1
- 1.0.13 10 10013 10.so.0.1.0.13
- 1.2.2 12 10202 12.so.0.1.2.2
- 1.2.3rc1-6 12 10203 12.so.0.1.2.3rc1-6
- 1.2.3 12 10203 12.so.0.1.2.3
- 1.2.4beta1-3 13 10204 12.so.0.1.2.4beta1-3
- 1.2.4rc1 13 10204 12.so.0.1.2.4rc1
- 1.0.14 10 10014 10.so.0.1.0.14
- 1.2.4 13 10204 12.so.0.1.2.4
- 1.2.5beta1-2 13 10205 12.so.0.1.2.5beta1-2
- 1.0.15rc1 10 10015 10.so.0.1.0.15rc1
- 1.0.15 10 10015 10.so.0.1.0.15
- 1.2.5 13 10205 12.so.0.1.2.5
- 1.2.6beta1-4 13 10206 12.so.0.1.2.6beta1-4
- 1.2.6rc1-5 13 10206 12.so.0.1.2.6rc1-5
- 1.0.16 10 10016 10.so.0.1.0.16
- 1.2.6 13 10206 12.so.0.1.2.6
- 1.2.7beta1-2 13 10207 12.so.0.1.2.7beta1-2
- 1.0.17rc1 10 10017 10.so.0.1.0.17rc1
- 1.2.7rc1 13 10207 12.so.0.1.2.7rc1
- 1.0.17 10 10017 10.so.0.1.0.17
- 1.2.7 13 10207 12.so.0.1.2.7
- 1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5
- 1.0.18rc1-5 10 10018 10.so.0.1.0.18rc1-5
- 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5
- 1.0.18 10 10018 10.so.0.1.0.18
- 1.2.8 13 10208 12.so.0.1.2.8
- 1.2.9beta1-3 13 10209 12.so.0.1.2.9beta1-3
- 1.2.9beta4-11 13 10209 12.so.0.9[.0]
- 1.2.9rc1 13 10209 12.so.0.9[.0]
- 1.2.9 13 10209 12.so.0.9[.0]
- 1.2.10beta1-8 13 10210 12.so.0.10[.0]
- 1.2.10rc1-3 13 10210 12.so.0.10[.0]
- 1.2.10 13 10210 12.so.0.10[.0]
- 1.2.11beta1-4 13 10211 12.so.0.11[.0]
- 1.0.19rc1-5 10 10019 10.so.0.19[.0]
- 1.2.11rc1-5 13 10211 12.so.0.11[.0]
- 1.0.19 10 10019 10.so.0.19[.0]
- 1.2.11 13 10211 12.so.0.11[.0]
- 1.0.20 10 10020 10.so.0.20[.0]
- 1.2.12 13 10212 12.so.0.12[.0]
- 1.2.13beta1 13 10213 12.so.0.13[.0]
- 1.0.21 10 10021 10.so.0.21[.0]
- 1.2.13 13 10213 12.so.0.13[.0]
- 1.2.14beta1-2 13 10214 12.so.0.14[.0]
- 1.0.22rc1 10 10022 10.so.0.22[.0]
- 1.2.14rc1 13 10214 12.so.0.14[.0]
- 1.2.15beta1-6 13 10215 12.so.0.15[.0]
- 1.0.23rc1-5 10 10023 10.so.0.23[.0]
- 1.2.15rc1-5 13 10215 12.so.0.15[.0]
- 1.0.23 10 10023 10.so.0.23[.0]
- 1.2.15 13 10215 12.so.0.15[.0]
- 1.2.16beta1-2 13 10216 12.so.0.16[.0]
- 1.2.16rc1 13 10216 12.so.0.16[.0]
- 1.0.24 10 10024 10.so.0.24[.0]
- 1.2.16 13 10216 12.so.0.16[.0]
- 1.2.17beta1-2 13 10217 12.so.0.17[.0]
- 1.0.25rc1 10 10025 10.so.0.25[.0]
- 1.2.17rc1-3 13 10217 12.so.0.17[.0]
- 1.0.25 10 10025 10.so.0.25[.0]
- 1.2.17 13 10217 12.so.0.17[.0]
- 1.0.26 10 10026 10.so.0.26[.0]
- 1.2.18 13 10218 12.so.0.18[.0]
- 1.2.19beta1-31 13 10219 12.so.0.19[.0]
- 1.0.27rc1-6 10 10027 10.so.0.27[.0]
- 1.2.19rc1-6 13 10219 12.so.0.19[.0]
- 1.0.27 10 10027 10.so.0.27[.0]
- 1.2.19 13 10219 12.so.0.19[.0]
- 1.2.20beta01-04 13 10220 12.so.0.20[.0]
- 1.0.28rc1-6 10 10028 10.so.0.28[.0]
- 1.2.20rc1-6 13 10220 12.so.0.20[.0]
- 1.0.28 10 10028 10.so.0.28[.0]
- 1.2.20 13 10220 12.so.0.20[.0]
- 1.2.21beta1-2 13 10221 12.so.0.21[.0]
- 1.2.21rc1-3 13 10221 12.so.0.21[.0]
- 1.0.29 10 10029 10.so.0.29[.0]
- 1.2.21 13 10221 12.so.0.21[.0]
- 1.2.22beta1-4 13 10222 12.so.0.22[.0]
- 1.0.30rc1 13 10030 10.so.0.30[.0]
- 1.2.22rc1 13 10222 12.so.0.22[.0]
- 1.0.30 10 10030 10.so.0.30[.0]
- 1.2.22 13 10222 12.so.0.22[.0]
- 1.2.23beta01-05 13 10223 12.so.0.23[.0]
- 1.2.23rc01 13 10223 12.so.0.23[.0]
- 1.2.23 13 10223 12.so.0.23[.0]
- 1.2.24beta01-02 13 10224 12.so.0.24[.0]
- 1.2.24rc01 13 10224 12.so.0.24[.0]
- 1.2.24 13 10224 12.so.0.24[.0]
- 1.2.25beta01-06 13 10225 12.so.0.25[.0]
- 1.2.25rc01-02 13 10225 12.so.0.25[.0]
- 1.0.31 10 10031 10.so.0.31[.0]
- 1.2.25 13 10225 12.so.0.25[.0]
- 1.2.26beta01-06 13 10226 12.so.0.26[.0]
- 1.2.26rc01 13 10226 12.so.0.26[.0]
- 1.2.26 13 10226 12.so.0.26[.0]
- 1.0.32 10 10032 10.so.0.32[.0]
- 1.2.27beta01-06 13 10227 12.so.0.27[.0]
- 1.2.27rc01 13 10227 12.so.0.27[.0]
- 1.0.33 10 10033 10.so.0.33[.0]
- 1.2.27 13 10227 12.so.0.27[.0]
- 1.0.34 10 10034 10.so.0.34[.0]
- 1.2.28 13 10228 12.so.0.28[.0]
- 1.2.29beta01-03 13 10229 12.so.0.29[.0]
- 1.2.29rc01 13 10229 12.so.0.29[.0]
- 1.0.35 10 10035 10.so.0.35[.0]
- 1.2.29 13 10229 12.so.0.29[.0]
- 1.0.37 10 10037 10.so.0.37[.0]
- 1.2.30beta01-04 13 10230 12.so.0.30[.0]
- 1.0.38rc01-08 10 10038 10.so.0.38[.0]
- 1.2.30rc01-08 13 10230 12.so.0.30[.0]
- 1.0.38 10 10038 10.so.0.38[.0]
- 1.2.30 13 10230 12.so.0.30[.0]
- 1.0.39rc01-03 10 10039 10.so.0.39[.0]
- 1.2.31rc01-03 13 10231 12.so.0.31[.0]
- 1.0.39 10 10039 10.so.0.39[.0]
- 1.2.31 13 10231 12.so.0.31[.0]
- 1.2.32beta01-02 13 10232 12.so.0.32[.0]
- 1.0.40rc01 10 10040 10.so.0.40[.0]
- 1.2.32rc01 13 10232 12.so.0.32[.0]
- 1.0.40 10 10040 10.so.0.40[.0]
- 1.2.32 13 10232 12.so.0.32[.0]
- 1.2.33beta01-02 13 10233 12.so.0.33[.0]
- 1.2.33rc01-02 13 10233 12.so.0.33[.0]
- 1.0.41rc01 10 10041 10.so.0.41[.0]
- 1.2.33 13 10233 12.so.0.33[.0]
- 1.0.41 10 10041 10.so.0.41[.0]
- 1.2.34beta01-07 13 10234 12.so.0.34[.0]
- 1.0.42rc01 10 10042 10.so.0.42[.0]
- 1.2.34rc01 13 10234 12.so.0.34[.0]
- 1.0.42 10 10042 10.so.0.42[.0]
- 1.2.34 13 10234 12.so.0.34[.0]
- 1.2.35beta01-03 13 10235 12.so.0.35[.0]
- 1.0.43rc01-02 10 10043 10.so.0.43[.0]
- 1.2.35rc01-02 13 10235 12.so.0.35[.0]
- 1.0.43 10 10043 10.so.0.43[.0]
- 1.2.35 13 10235 12.so.0.35[.0]
- 1.2.36beta01-05 13 10236 12.so.0.36[.0]
- 1.2.36rc01 13 10236 12.so.0.36[.0]
- 1.0.44 10 10044 10.so.0.44[.0]
- 1.2.36 13 10236 12.so.0.36[.0]
- 1.2.37beta01-03 13 10237 12.so.0.37[.0]
- 1.2.37rc01 13 10237 12.so.0.37[.0]
- 1.2.37 13 10237 12.so.0.37[.0]
-
-Henceforth the source version will match the shared-library minor
-and patch numbers; the shared-library major version number will be
-used for changes in backward compatibility, as it is intended. The
-PNG_PNGLIB_VER macro, which is not used within libpng but is available
-for applications, is an unsigned integer of the form xyyzz corresponding
-to the source version x.y.z (leading zeros in y and z). Beta versions
-were given the previous public release number plus a letter, until
-version 1.0.6j; from then on they were given the upcoming public
-release number plus "betaNN" or "rcN".
-
-.SH "SEE ALSO"
-.IR libpngpf(3) ", " png(5)
-.LP
-.IR libpng :
-.IP
-http://libpng.sourceforge.net (follow the [DOWNLOAD] link)
-http://www.libpng.org/pub/png
-
-.LP
-.IR zlib :
-.IP
-(generally) at the same location as
-.I libpng
-or at
-.br
-ftp://ftp.info-zip.org/pub/infozip/zlib
-
-.LP
-.IR PNG specification: RFC 2083
-.IP
-(generally) at the same location as
-.I libpng
-or at
-.br
-ftp://ftp.rfc-editor.org:/in-notes/rfc2083.txt
-.br
-or (as a W3C Recommendation) at
-.br
-http://www.w3.org/TR/REC-png.html
-
-.LP
-In the case of any inconsistency between the PNG specification
-and this library, the specification takes precedence.
-
-.SH AUTHORS
-This man page: Glenn Randers-Pehrson
-<glennrp at users.sourceforge.net>
-
-The contributing authors would like to thank all those who helped
-with testing, bug fixes, and patience. This wouldn't have been
-possible without all of you.
-
-Thanks to Frank J. T. Wojcik for helping with the documentation.
-
-Libpng version 1.2.37 - June 4, 2009:
-Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
-Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
-
-Supported by the PNG development group
-.br
-png-mng-implement at lists.sf.net
-(subscription required; visit
-png-mng-implement at lists.sourceforge.net (subscription required; visit
-https://lists.sourceforge.net/lists/listinfo/png-mng-implement
-to subscribe).
-
-.SH COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
-
-(This copy of the libpng notices is provided for your convenience. In case of
-any discrepancy between this copy and the notices in the file png.h that is
-included in the libpng distribution, the latter shall prevail.)
-
-If you modify libpng you may insert additional notices immediately following
-this sentence.
-
-libpng versions 1.2.6, August 15, 2004, through 1.2.37, June 4, 2009, are
-Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are
-distributed according to the same disclaimer and license as libpng-1.2.5
-with the following individual added to the list of Contributing Authors
-
- Cosmin Truta
-
-libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
-Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
-distributed according to the same disclaimer and license as libpng-1.0.6
-with the following individuals added to the list of Contributing Authors
-
- Simon-Pierre Cadieux
- Eric S. Raymond
- Gilles Vollant
-
-and with the following additions to the disclaimer:
-
- There is no warranty against interference with your
- enjoyment of the library or against infringement.
- There is no warranty that our efforts or the library
- will fulfill any of your particular purposes or needs.
- This library is provided with all faults, and the entire
- risk of satisfactory quality, performance, accuracy, and
- effort is with the user.
-
-libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
-Copyright (c) 1998, 1999 Glenn Randers-Pehrson
-Distributed according to the same disclaimer and license as libpng-0.96,
-with the following individuals added to the list of Contributing Authors:
-
- Tom Lane
- Glenn Randers-Pehrson
- Willem van Schaik
-
-libpng versions 0.89, June 1996, through 0.96, May 1997, are
-Copyright (c) 1996, 1997 Andreas Dilger
-Distributed according to the same disclaimer and license as libpng-0.88,
-with the following individuals added to the list of Contributing Authors:
-
- John Bowler
- Kevin Bracey
- Sam Bushell
- Magnus Holmgren
- Greg Roelofs
- Tom Tanner
-
-libpng versions 0.5, May 1995, through 0.88, January 1996, are
-Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
-
-For the purposes of this copyright and license, "Contributing Authors"
-is defined as the following set of individuals:
-
- Andreas Dilger
- Dave Martindale
- Guy Eric Schalnat
- Paul Schmidt
- Tim Wegner
-
-The PNG Reference Library is supplied "AS IS". The Contributing Authors
-and Group 42, Inc. disclaim all warranties, expressed or implied,
-including, without limitation, the warranties of merchantability and of
-fitness for any purpose. The Contributing Authors and Group 42, Inc.
-assume no liability for direct, indirect, incidental, special, exemplary,
-or consequential damages, which may result from the use of the PNG
-Reference Library, even if advised of the possibility of such damage.
-
-Permission is hereby granted to use, copy, modify, and distribute this
-source code, or portions hereof, for any purpose, without fee, subject
-to the following restrictions:
-
-1. The origin of this source code must not be misrepresented.
-
-2. Altered versions must be plainly marked as such and
- must not be misrepresented as being the original source.
-
-3. This Copyright notice may not be removed or altered from
- any source or altered source distribution.
-
-The Contributing Authors and Group 42, Inc. specifically permit, without
-fee, and encourage the use of this source code as a component to
-supporting the PNG file format in commercial products. If you use this
-source code in a product, acknowledgment is not required but would be
-appreciated.
-
-
-A "png_get_copyright" function is available, for convenient use in "about"
-boxes and the like:
-
- printf("%s",png_get_copyright(NULL));
-
-Also, the PNG logo (in PNG format, of course) is supplied in the
-files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
-
-Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
-certification mark of the Open Source Initiative.
-
-Glenn Randers-Pehrson
-glennrp at users.sourceforge.net
-June 4, 2009
-
-.\" end of man page
-
+++ /dev/null
-.TH LIBPNGPF 3 "June 4, 2009"
-.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.37
-(private functions)
-.SH SYNOPSIS
-\fB#include <png.h>\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_build_gamma_table (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_charp \fP\fIchunkdata\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_values\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_dither (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIdither_lookup\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_read_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBpng_uint_32 png_read_chunk_header (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_sig (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
-
-\fI\fB
-
-\fI\fB
-
-.SH DESCRIPTION
-The functions listed above are used privately by libpng
-and are not recommended for use by applications. They are
-not "exported" to applications using shared libraries. They
-are listed alphabetically here as an aid to libpng maintainers.
-See png.h for more information on these functions.
-
-.SH SEE ALSO
-.IR libpng(3) ", " png(5)
-.SH AUTHOR
-Glenn Randers-Pehrson
+++ /dev/null
-# Generated from ltmain.m4sh.
-
-# ltmain.sh (GNU libtool 1.2971 2008-04-29) 2.2.3a
-# Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
-
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007 2008 Free Software Foundation, Inc.
-# This is free software; see the source for copying conditions. There is NO
-# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-# GNU Libtool is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# As a special exception to the GNU General Public License,
-# if you distribute this file as part of a program or library that
-# is built using GNU Libtool, you may include this file under the
-# same distribution terms that you use for the rest of that program.
-#
-# GNU Libtool is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Libtool; see the file COPYING. If not, a copy
-# can be downloaded from http://www.gnu.org/licenses/gpl.html,
-# or obtained by writing to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
-# Usage: $progname [OPTION]... [MODE-ARG]...
-#
-# Provide generalized library-building support services.
-#
-# --config show all configuration variables
-# --debug enable verbose shell tracing
-# -n, --dry-run display commands without modifying any files
-# --features display basic configuration information and exit
-# --mode=MODE use operation mode MODE
-# --preserve-dup-deps don't remove duplicate dependency libraries
-# --quiet, --silent don't print informational messages
-# --tag=TAG use configuration variables from tag TAG
-# -v, --verbose print informational messages (default)
-# --version print version information
-# -h, --help print short or long help message
-#
-# MODE must be one of the following:
-#
-# clean remove files from the build directory
-# compile compile a source file into a libtool object
-# execute automatically set library path, then run a program
-# finish complete the installation of libtool libraries
-# install install libraries or executables
-# link create a library or an executable
-# uninstall remove libraries from an installed directory
-#
-# MODE-ARGS vary depending on the MODE.
-# Try `$progname --help --mode=MODE' for a more detailed description of MODE.
-#
-# When reporting a bug, please describe a test case to reproduce it and
-# include the following information:
-#
-# host-triplet: $host
-# shell: $SHELL
-# compiler: $LTCC
-# compiler flags: $LTCFLAGS
-# linker: $LD (gnu? $with_gnu_ld)
-# $progname: (GNU libtool 1.2971 2008-04-29) 2.2.3a
-# automake: $automake_version
-# autoconf: $autoconf_version
-#
-# Report bugs to <bug-libtool@gnu.org>.
-
-PROGRAM=ltmain.sh
-PACKAGE=libtool
-VERSION=2.2.3a
-TIMESTAMP=" 1.2971 2008-04-29"
-package_revision=1.2971
-
-# Be Bourne compatible
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
- emulate sh
- NULLCMD=:
- # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
- # is contrary to our usage. Disable this feature.
- alias -g '${1+"$@"}'='"$@"'
- setopt NO_GLOB_SUBST
-else
- case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
-fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
-
-# NLS nuisances: We save the old values to restore during execute mode.
-# Only set LANG and LC_ALL to C if already set.
-# These must not be set unconditionally because not all systems understand
-# e.g. LANG=C (notably SCO).
-lt_user_locale=
-lt_safe_locale=
-for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
-do
- eval "if test \"\${$lt_var+set}\" = set; then
- save_$lt_var=\$$lt_var
- $lt_var=C
- export $lt_var
- lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\"
- lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\"
- fi"
-done
-
-$lt_unset CDPATH
-
-
-
-
-
-: ${CP="cp -f"}
-: ${ECHO="echo"}
-: ${EGREP="/usr/sfw/bin/ggrep -E"}
-: ${FGREP="/usr/sfw/bin/ggrep -F"}
-: ${GREP="/usr/sfw/bin/ggrep"}
-: ${LN_S="ln -s"}
-: ${MAKE="make"}
-: ${MKDIR="mkdir"}
-: ${MV="mv -f"}
-: ${RM="rm -f"}
-: ${SED="/usr/local/bin/sed"}
-: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
-: ${Xsed="$SED -e 1s/^X//"}
-
-# Global variables:
-EXIT_SUCCESS=0
-EXIT_FAILURE=1
-EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing.
-EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake.
-
-exit_status=$EXIT_SUCCESS
-
-# Make sure IFS has a sensible default
-lt_nl='
-'
-IFS=" $lt_nl"
-
-dirname="s,/[^/]*$,,"
-basename="s,^.*/,,"
-
-# func_dirname_and_basename file append nondir_replacement
-# perform func_basename and func_dirname in a single function
-# call:
-# dirname: Compute the dirname of FILE. If nonempty,
-# add APPEND to the result, otherwise set result
-# to NONDIR_REPLACEMENT.
-# value returned in "$func_dirname_result"
-# basename: Compute filename of FILE.
-# value retuned in "$func_basename_result"
-# Implementation must be kept synchronized with func_dirname
-# and func_basename. For efficiency, we do not delegate to
-# those functions but instead duplicate the functionality here.
-func_dirname_and_basename ()
-{
- # Extract subdirectory from the argument.
- func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"`
- if test "X$func_dirname_result" = "X${1}"; then
- func_dirname_result="${3}"
- else
- func_dirname_result="$func_dirname_result${2}"
- fi
- func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"`
-}
-
-# Generated shell functions inserted here.
-
-# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
-# is ksh but when the shell is invoked as "sh" and the current value of
-# the _XPG environment variable is not equal to 1 (one), the special
-# positional parameter $0, within a function call, is the name of the
-# function.
-progpath="$0"
-
-# The name of this program:
-# In the unlikely event $progname began with a '-', it would play havoc with
-# func_echo (imagine progname=-n), so we prepend ./ in that case:
-func_dirname_and_basename "$progpath"
-progname=$func_basename_result
-case $progname in
- -*) progname=./$progname ;;
-esac
-
-# Make sure we have an absolute path for reexecution:
-case $progpath in
- [\\/]*|[A-Za-z]:\\*) ;;
- *[\\/]*)
- progdir=$func_dirname_result
- progdir=`cd "$progdir" && pwd`
- progpath="$progdir/$progname"
- ;;
- *)
- save_IFS="$IFS"
- IFS=:
- for progdir in $PATH; do
- IFS="$save_IFS"
- test -x "$progdir/$progname" && break
- done
- IFS="$save_IFS"
- test -n "$progdir" || progdir=`pwd`
- progpath="$progdir/$progname"
- ;;
-esac
-
-# Sed substitution that helps us do robust quoting. It backslashifies
-# metacharacters that are still active within double-quoted strings.
-Xsed="${SED}"' -e 1s/^X//'
-sed_quote_subst='s/\([`"$\\]\)/\\\1/g'
-
-# Same as above, but do not quote variable references.
-double_quote_subst='s/\(["`\\]\)/\\\1/g'
-
-# Re-`\' parameter expansions in output of double_quote_subst that were
-# `\'-ed in input to the same. If an odd number of `\' preceded a '$'
-# in input to double_quote_subst, that '$' was protected from expansion.
-# Since each input `\' is now two `\'s, look for any number of runs of
-# four `\'s followed by two `\'s and then a '$'. `\' that '$'.
-bs='\\'
-bs2='\\\\'
-bs4='\\\\\\\\'
-dollar='\$'
-sed_double_backslash="\
- s/$bs4/&\\
-/g
- s/^$bs2$dollar/$bs&/
- s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g
- s/\n//g"
-
-# Standard options:
-opt_dry_run=false
-opt_help=false
-opt_quiet=false
-opt_verbose=false
-opt_warning=:
-
-# func_echo arg...
-# Echo program name prefixed message, along with the current mode
-# name if it has been set yet.
-func_echo ()
-{
- $ECHO "$progname${mode+: }$mode: $*"
-}
-
-# func_verbose arg...
-# Echo program name prefixed message in verbose mode only.
-func_verbose ()
-{
- $opt_verbose && func_echo ${1+"$@"}
-
- # A bug in bash halts the script if the last line of a function
- # fails when set -e is in force, so we need another command to
- # work around that:
- :
-}
-
-# func_error arg...
-# Echo program name prefixed message to standard error.
-func_error ()
-{
- $ECHO "$progname${mode+: }$mode: "${1+"$@"} 1>&2
-}
-
-# func_warning arg...
-# Echo program name prefixed warning message to standard error.
-func_warning ()
-{
- $opt_warning && $ECHO "$progname${mode+: }$mode: warning: "${1+"$@"} 1>&2
-
- # bash bug again:
- :
-}
-
-# func_fatal_error arg...
-# Echo program name prefixed message to standard error, and exit.
-func_fatal_error ()
-{
- func_error ${1+"$@"}
- exit $EXIT_FAILURE
-}
-
-# func_fatal_help arg...
-# Echo program name prefixed message to standard error, followed by
-# a help hint, and exit.
-func_fatal_help ()
-{
- func_error ${1+"$@"}
- func_fatal_error "$help"
-}
-help="Try \`$progname --help' for more information." ## default
-
-
-# func_grep expression filename
-# Check whether EXPRESSION matches any line of FILENAME, without output.
-func_grep ()
-{
- $GREP "$1" "$2" >/dev/null 2>&1
-}
-
-
-# func_mkdir_p directory-path
-# Make sure the entire path to DIRECTORY-PATH is available.
-func_mkdir_p ()
-{
- my_directory_path="$1"
- my_dir_list=
-
- if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then
-
- # Protect directory names starting with `-'
- case $my_directory_path in
- -*) my_directory_path="./$my_directory_path" ;;
- esac
-
- # While some portion of DIR does not yet exist...
- while test ! -d "$my_directory_path"; do
- # ...make a list in topmost first order. Use a colon delimited
- # list incase some portion of path contains whitespace.
- my_dir_list="$my_directory_path:$my_dir_list"
-
- # If the last portion added has no slash in it, the list is done
- case $my_directory_path in */*) ;; *) break ;; esac
-
- # ...otherwise throw away the child directory and loop
- my_directory_path=`$ECHO "X$my_directory_path" | $Xsed -e "$dirname"`
- done
- my_dir_list=`$ECHO "X$my_dir_list" | $Xsed -e 's,:*$,,'`
-
- save_mkdir_p_IFS="$IFS"; IFS=':'
- for my_dir in $my_dir_list; do
- IFS="$save_mkdir_p_IFS"
- # mkdir can fail with a `File exist' error if two processes
- # try to create one of the directories concurrently. Don't
- # stop in that case!
- $MKDIR "$my_dir" 2>/dev/null || :
- done
- IFS="$save_mkdir_p_IFS"
-
- # Bail out if we (or some other process) failed to create a directory.
- test -d "$my_directory_path" || \
- func_fatal_error "Failed to create \`$1'"
- fi
-}
-
-
-# func_mktempdir [string]
-# Make a temporary directory that won't clash with other running
-# libtool processes, and avoids race conditions if possible. If
-# given, STRING is the basename for that directory.
-func_mktempdir ()
-{
- my_template="${TMPDIR-/tmp}/${1-$progname}"
-
- if test "$opt_dry_run" = ":"; then
- # Return a directory name, but don't create it in dry-run mode
- my_tmpdir="${my_template}-$$"
- else
-
- # If mktemp works, use that first and foremost
- my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
-
- if test ! -d "$my_tmpdir"; then
- # Failing that, at least try and use $RANDOM to avoid a race
- my_tmpdir="${my_template}-${RANDOM-0}$$"
-
- save_mktempdir_umask=`umask`
- umask 0077
- $MKDIR "$my_tmpdir"
- umask $save_mktempdir_umask
- fi
-
- # If we're not in dry-run mode, bomb out on failure
- test -d "$my_tmpdir" || \
- func_fatal_error "cannot create temporary directory \`$my_tmpdir'"
- fi
-
- $ECHO "X$my_tmpdir" | $Xsed
-}
-
-
-# func_quote_for_eval arg
-# Aesthetically quote ARG to be evaled later.
-# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT
-# is double-quoted, suitable for a subsequent eval, whereas
-# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters
-# which are still active within double quotes backslashified.
-func_quote_for_eval ()
-{
- case $1 in
- *[\\\`\"\$]*)
- func_quote_for_eval_unquoted_result=`$ECHO "X$1" | $Xsed -e "$sed_quote_subst"` ;;
- *)
- func_quote_for_eval_unquoted_result="$1" ;;
- esac
-
- case $func_quote_for_eval_unquoted_result in
- # Double-quote args containing shell metacharacters to delay
- # word splitting, command substitution and and variable
- # expansion for a subsequent eval.
- # Many Bourne shells cannot handle close brackets correctly
- # in scan sets, so we specify it separately.
- *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
- func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\""
- ;;
- *)
- func_quote_for_eval_result="$func_quote_for_eval_unquoted_result"
- esac
-}
-
-
-# func_quote_for_expand arg
-# Aesthetically quote ARG to be evaled later; same as above,
-# but do not quote variable references.
-func_quote_for_expand ()
-{
- case $1 in
- *[\\\`\"]*)
- my_arg=`$ECHO "X$1" | $Xsed \
- -e "$double_quote_subst" -e "$sed_double_backslash"` ;;
- *)
- my_arg="$1" ;;
- esac
-
- case $my_arg in
- # Double-quote args containing shell metacharacters to delay
- # word splitting and command substitution for a subsequent eval.
- # Many Bourne shells cannot handle close brackets correctly
- # in scan sets, so we specify it separately.
- *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
- my_arg="\"$my_arg\""
- ;;
- esac
-
- func_quote_for_expand_result="$my_arg"
-}
-
-
-# func_show_eval cmd [fail_exp]
-# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is
-# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP
-# is given, then evaluate it.
-func_show_eval ()
-{
- my_cmd="$1"
- my_fail_exp="${2-:}"
-
- ${opt_silent-false} || {
- func_quote_for_expand "$my_cmd"
- eval "func_echo $func_quote_for_expand_result"
- }
-
- if ${opt_dry_run-false}; then :; else
- eval "$my_cmd"
- my_status=$?
- if test "$my_status" -eq 0; then :; else
- eval "(exit $my_status); $my_fail_exp"
- fi
- fi
-}
-
-
-# func_show_eval_locale cmd [fail_exp]
-# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is
-# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP
-# is given, then evaluate it. Use the saved locale for evaluation.
-func_show_eval_locale ()
-{
- my_cmd="$1"
- my_fail_exp="${2-:}"
-
- ${opt_silent-false} || {
- func_quote_for_expand "$my_cmd"
- eval "func_echo $func_quote_for_expand_result"
- }
-
- if ${opt_dry_run-false}; then :; else
- eval "$lt_user_locale
- $my_cmd"
- my_status=$?
- eval "$lt_safe_locale"
- if test "$my_status" -eq 0; then :; else
- eval "(exit $my_status); $my_fail_exp"
- fi
- fi
-}
-
-
-
-
-
-# func_version
-# Echo version message to standard output and exit.
-func_version ()
-{
- $SED -n '/^# '$PROGRAM' (GNU /,/# warranty; / {
- s/^# //
- s/^# *$//
- s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/
- p
- }' < "$progpath"
- exit $?
-}
-
-# func_usage
-# Echo short help message to standard output and exit.
-func_usage ()
-{
- $SED -n '/^# Usage:/,/# -h/ {
- s/^# //
- s/^# *$//
- s/\$progname/'$progname'/
- p
- }' < "$progpath"
- $ECHO
- $ECHO "run \`$progname --help | more' for full usage"
- exit $?
-}
-
-# func_help
-# Echo long help message to standard output and exit.
-func_help ()
-{
- $SED -n '/^# Usage:/,/# Report bugs to/ {
- s/^# //
- s/^# *$//
- s*\$progname*'$progname'*
- s*\$host*'"$host"'*
- s*\$SHELL*'"$SHELL"'*
- s*\$LTCC*'"$LTCC"'*
- s*\$LTCFLAGS*'"$LTCFLAGS"'*
- s*\$LD*'"$LD"'*
- s/\$with_gnu_ld/'"$with_gnu_ld"'/
- s/\$automake_version/'"`(automake --version) 2>/dev/null |$SED 1q`"'/
- s/\$autoconf_version/'"`(autoconf --version) 2>/dev/null |$SED 1q`"'/
- p
- }' < "$progpath"
- exit $?
-}
-
-# func_missing_arg argname
-# Echo program name prefixed message to standard error and set global
-# exit_cmd.
-func_missing_arg ()
-{
- func_error "missing argument for $1"
- exit_cmd=exit
-}
-
-exit_cmd=:
-
-
-
-
-
-# Check that we have a working $ECHO.
-if test "X$1" = X--no-reexec; then
- # Discard the --no-reexec flag, and continue.
- shift
-elif test "X$1" = X--fallback-echo; then
- # Avoid inline document here, it may be left over
- :
-elif test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t'; then
- # Yippee, $ECHO works!
- :
-else
- # Restart under the correct shell, and then maybe $ECHO will work.
- exec $SHELL "$progpath" --no-reexec ${1+"$@"}
-fi
-
-if test "X$1" = X--fallback-echo; then
- # used as fallback echo
- shift
- cat <<EOF
-$*
-EOF
- exit $EXIT_SUCCESS
-fi
-
-magic="%%%MAGIC variable%%%"
-magic_exe="%%%MAGIC EXE variable%%%"
-
-# Global variables.
-# $mode is unset
-nonopt=
-execute_dlfiles=
-preserve_args=
-lo2o="s/\\.lo\$/.${objext}/"
-o2lo="s/\\.${objext}\$/.lo/"
-extracted_archives=
-extracted_serial=0
-
-opt_dry_run=false
-opt_duplicate_deps=false
-opt_silent=false
-opt_debug=:
-
-# If this variable is set in any of the actions, the command in it
-# will be execed at the end. This prevents here-documents from being
-# left over by shells.
-exec_cmd=
-
-# func_fatal_configuration arg...
-# Echo program name prefixed message to standard error, followed by
-# a configuration failure hint, and exit.
-func_fatal_configuration ()
-{
- func_error ${1+"$@"}
- func_error "See the $PACKAGE documentation for more information."
- func_fatal_error "Fatal configuration error."
-}
-
-
-# func_config
-# Display the configuration for all the tags in this script.
-func_config ()
-{
- re_begincf='^# ### BEGIN LIBTOOL'
- re_endcf='^# ### END LIBTOOL'
-
- # Default configuration.
- $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath"
-
- # Now print the configurations for the tags.
- for tagname in $taglist; do
- $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath"
- done
-
- exit $?
-}
-
-# func_features
-# Display the features supported by this script.
-func_features ()
-{
- $ECHO "host: $host"
- if test "$build_libtool_libs" = yes; then
- $ECHO "enable shared libraries"
- else
- $ECHO "disable shared libraries"
- fi
- if test "$build_old_libs" = yes; then
- $ECHO "enable static libraries"
- else
- $ECHO "disable static libraries"
- fi
-
- exit $?
-}
-
-# func_enable_tag tagname
-# Verify that TAGNAME is valid, and either flag an error and exit, or
-# enable the TAGNAME tag. We also add TAGNAME to the global $taglist
-# variable here.
-func_enable_tag ()
-{
- # Global variable:
- tagname="$1"
-
- re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
- re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
- sed_extractcf="/$re_begincf/,/$re_endcf/p"
-
- # Validate tagname.
- case $tagname in
- *[!-_A-Za-z0-9,/]*)
- func_fatal_error "invalid tag name: $tagname"
- ;;
- esac
-
- # Don't test for the "default" C tag, as we know it's
- # there but not specially marked.
- case $tagname in
- CC) ;;
- *)
- if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
- taglist="$taglist $tagname"
-
- # Evaluate the configuration. Be careful to quote the path
- # and the sed script, to avoid splitting on whitespace, but
- # also don't use non-portable quotes within backquotes within
- # quotes we have to do it in 2 steps:
- extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
- eval "$extractedcf"
- else
- func_error "ignoring unknown tag $tagname"
- fi
- ;;
- esac
-}
-
-# Parse options once, thoroughly. This comes as soon as possible in
-# the script to make things like `libtool --version' happen quickly.
-{
-
- # Shorthand for --mode=foo, only valid as the first argument
- case $1 in
- clean|clea|cle|cl)
- shift; set dummy --mode clean ${1+"$@"}; shift
- ;;
- compile|compil|compi|comp|com|co|c)
- shift; set dummy --mode compile ${1+"$@"}; shift
- ;;
- execute|execut|execu|exec|exe|ex|e)
- shift; set dummy --mode execute ${1+"$@"}; shift
- ;;
- finish|finis|fini|fin|fi|f)
- shift; set dummy --mode finish ${1+"$@"}; shift
- ;;
- install|instal|insta|inst|ins|in|i)
- shift; set dummy --mode install ${1+"$@"}; shift
- ;;
- link|lin|li|l)
- shift; set dummy --mode link ${1+"$@"}; shift
- ;;
- uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
- shift; set dummy --mode uninstall ${1+"$@"}; shift
- ;;
- esac
-
- # Parse non-mode specific arguments:
- while test "$#" -gt 0; do
- opt="$1"
- shift
-
- case $opt in
- --config) func_config ;;
-
- --debug) preserve_args="$preserve_args $opt"
- func_echo "enabling shell trace mode"
- opt_debug='set -x'
- $opt_debug
- ;;
-
- -dlopen) test "$#" -eq 0 && func_missing_arg "$opt" && break
- execute_dlfiles="$execute_dlfiles $1"
- shift
- ;;
-
- --dry-run | -n) opt_dry_run=: ;;
- --features) func_features ;;
- --finish) mode="finish" ;;
-
- --mode) test "$#" -eq 0 && func_missing_arg "$opt" && break
- case $1 in
- # Valid mode arguments:
- clean) ;;
- compile) ;;
- execute) ;;
- finish) ;;
- install) ;;
- link) ;;
- relink) ;;
- uninstall) ;;
-
- # Catch anything else as an error
- *) func_error "invalid argument for $opt"
- exit_cmd=exit
- break
- ;;
- esac
-
- mode="$1"
- shift
- ;;
-
- --preserve-dup-deps)
- opt_duplicate_deps=: ;;
-
- --quiet|--silent) preserve_args="$preserve_args $opt"
- opt_silent=:
- ;;
-
- --verbose| -v) preserve_args="$preserve_args $opt"
- opt_silent=false
- ;;
-
- --tag) test "$#" -eq 0 && func_missing_arg "$opt" && break
- preserve_args="$preserve_args $opt $1"
- func_enable_tag "$1" # tagname is set here
- shift
- ;;
-
- # Separate optargs to long options:
- -dlopen=*|--mode=*|--tag=*)
- func_opt_split "$opt"
- set dummy "$func_opt_split_opt" "$func_opt_split_arg" ${1+"$@"}
- shift
- ;;
-
- -\?|-h) func_usage ;;
- --help) opt_help=: ;;
- --version) func_version ;;
-
- -*) func_fatal_help "unrecognized option \`$opt'" ;;
-
- *) nonopt="$opt"
- break
- ;;
- esac
- done
-
-
- case $host in
- *cygwin* | *mingw* | *pw32*)
- # don't eliminate duplications in $postdeps and $predeps
- opt_duplicate_compiler_generated_deps=:
- ;;
- *)
- opt_duplicate_compiler_generated_deps=$opt_duplicate_deps
- ;;
- esac
-
- # Having warned about all mis-specified options, bail out if
- # anything was wrong.
- $exit_cmd $EXIT_FAILURE
-}
-
-# func_check_version_match
-# Ensure that we are using m4 macros, and libtool script from the same
-# release of libtool.
-func_check_version_match ()
-{
- if test "$package_revision" != "$macro_revision"; then
- if test "$VERSION" != "$macro_version"; then
- if test -z "$macro_version"; then
- cat >&2 <<_LT_EOF
-$progname: Version mismatch error. This is $PACKAGE $VERSION, but the
-$progname: definition of this LT_INIT comes from an older release.
-$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
-$progname: and run autoconf again.
-_LT_EOF
- else
- cat >&2 <<_LT_EOF
-$progname: Version mismatch error. This is $PACKAGE $VERSION, but the
-$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
-$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
-$progname: and run autoconf again.
-_LT_EOF
- fi
- else
- cat >&2 <<_LT_EOF
-$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision,
-$progname: but the definition of this LT_INIT comes from revision $macro_revision.
-$progname: You should recreate aclocal.m4 with macros from revision $package_revision
-$progname: of $PACKAGE $VERSION and run autoconf again.
-_LT_EOF
- fi
-
- exit $EXIT_MISMATCH
- fi
-}
-
-
-## ----------- ##
-## Main. ##
-## ----------- ##
-
-$opt_help || {
- # Sanity checks first:
- func_check_version_match
-
- if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
- func_fatal_configuration "not configured to build any kind of library"
- fi
-
- test -z "$mode" && func_fatal_error "error: you must specify a MODE."
-
-
- # Darwin sucks
- eval std_shrext=\"$shrext_cmds\"
-
-
- # Only execute mode is allowed to have -dlopen flags.
- if test -n "$execute_dlfiles" && test "$mode" != execute; then
- func_error "unrecognized option \`-dlopen'"
- $ECHO "$help" 1>&2
- exit $EXIT_FAILURE
- fi
-
- # Change the help message to a mode-specific one.
- generic_help="$help"
- help="Try \`$progname --help --mode=$mode' for more information."
-}
-
-
-# func_lalib_p file
-# True iff FILE is a libtool `.la' library or `.lo' object file.
-# This function is only a basic sanity check; it will hardly flush out
-# determined imposters.
-func_lalib_p ()
-{
- $SED -e 4q "$1" 2>/dev/null \
- | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
-}
-
-# func_lalib_unsafe_p file
-# True iff FILE is a libtool `.la' library or `.lo' object file.
-# This function implements the same check as func_lalib_p without
-# resorting to external programs. To this end, it redirects stdin and
-# closes it afterwards, without saving the original file descriptor.
-# As a safety measure, use it only where a negative result would be
-# fatal anyway. Works if `file' does not exist.
-func_lalib_unsafe_p ()
-{
- lalib_p=no
- if test -r "$1" && exec 5<&0 <"$1"; then
- for lalib_p_l in 1 2 3 4
- do
- read lalib_p_line
- case "$lalib_p_line" in
- \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
- esac
- done
- exec 0<&5 5<&-
- fi
- test "$lalib_p" = yes
-}
-
-# func_ltwrapper_script_p file
-# True iff FILE is a libtool wrapper script
-# This function is only a basic sanity check; it will hardly flush out
-# determined imposters.
-func_ltwrapper_script_p ()
-{
- func_lalib_p "$1"
-}
-
-# func_ltwrapper_executable_p file
-# True iff FILE is a libtool wrapper executable
-# This function is only a basic sanity check; it will hardly flush out
-# determined imposters.
-func_ltwrapper_executable_p ()
-{
- func_ltwrapper_exec_suffix=
- case $1 in
- *.exe) ;;
- *) func_ltwrapper_exec_suffix=.exe ;;
- esac
- $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1
-}
-
-# func_ltwrapper_scriptname file
-# Assumes file is an ltwrapper_executable
-# uses $file to determine the appropriate filename for a
-# temporary ltwrapper_script.
-func_ltwrapper_scriptname ()
-{
- func_ltwrapper_scriptname_result=""
- if func_ltwrapper_executable_p "$1"; then
- func_dirname_and_basename "$1" "" "."
- func_stripname '' '.exe' "$func_basename_result"
- func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper"
- fi
-}
-
-# func_ltwrapper_p file
-# True iff FILE is a libtool wrapper script or wrapper executable
-# This function is only a basic sanity check; it will hardly flush out
-# determined imposters.
-func_ltwrapper_p ()
-{
- func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1"
-}
-
-
-# func_execute_cmds commands fail_cmd
-# Execute tilde-delimited COMMANDS.
-# If FAIL_CMD is given, eval that upon failure.
-# FAIL_CMD may read-access the current command in variable CMD!
-func_execute_cmds ()
-{
- $opt_debug
- save_ifs=$IFS; IFS='~'
- for cmd in $1; do
- IFS=$save_ifs
- eval cmd=\"$cmd\"
- func_show_eval "$cmd" "${2-:}"
- done
- IFS=$save_ifs
-}
-
-
-# func_source file
-# Source FILE, adding directory component if necessary.
-# Note that it is not necessary on cygwin/mingw to append a dot to
-# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
-# behavior happens only for exec(3), not for open(2)! Also, sourcing
-# `FILE.' does not work on cygwin managed mounts.
-func_source ()
-{
- $opt_debug
- case $1 in
- */* | *\\*) . "$1" ;;
- *) . "./$1" ;;
- esac
-}
-
-
-# func_infer_tag arg
-# Infer tagged configuration to use if any are available and
-# if one wasn't chosen via the "--tag" command line option.
-# Only attempt this if the compiler in the base compile
-# command doesn't match the default compiler.
-# arg is usually of the form 'gcc ...'
-func_infer_tag ()
-{
- $opt_debug
- if test -n "$available_tags" && test -z "$tagname"; then
- CC_quoted=
- for arg in $CC; do
- func_quote_for_eval "$arg"
- CC_quoted="$CC_quoted $func_quote_for_eval_result"
- done
- case $@ in
- # Blanks in the command may have been stripped by the calling shell,
- # but not from the CC environment variable when configure was run.
- " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) ;;
- # Blanks at the start of $base_compile will cause this to fail
- # if we don't check for them as well.
- *)
- for z in $available_tags; do
- if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
- # Evaluate the configuration.
- eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
- CC_quoted=
- for arg in $CC; do
- # Double-quote args containing other shell metacharacters.
- func_quote_for_eval "$arg"
- CC_quoted="$CC_quoted $func_quote_for_eval_result"
- done
- case "$@ " in
- " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*)
- # The compiler in the base compile command matches
- # the one in the tagged configuration.
- # Assume this is the tagged configuration we want.
- tagname=$z
- break
- ;;
- esac
- fi
- done
- # If $tagname still isn't set, then no tagged configuration
- # was found and let the user know that the "--tag" command
- # line option must be used.
- if test -z "$tagname"; then
- func_echo "unable to infer tagged configuration"
- func_fatal_error "specify a tag with \`--tag'"
-# else
-# func_verbose "using $tagname tagged configuration"
- fi
- ;;
- esac
- fi
-}
-
-
-
-# func_write_libtool_object output_name pic_name nonpic_name
-# Create a libtool object file (analogous to a ".la" file),
-# but don't create it if we're doing a dry run.
-func_write_libtool_object ()
-{
- write_libobj=${1}
- if test "$build_libtool_libs" = yes; then
- write_lobj=\'${2}\'
- else
- write_lobj=none
- fi
-
- if test "$build_old_libs" = yes; then
- write_oldobj=\'${3}\'
- else
- write_oldobj=none
- fi
-
- $opt_dry_run || {
- cat >${write_libobj}T <<EOF
-# $write_libobj - a libtool object file
-# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
-#
-# Please DO NOT delete this file!
-# It is necessary for linking the library.
-
-# Name of the PIC object.
-pic_object=$write_lobj
-
-# Name of the non-PIC object
-non_pic_object=$write_oldobj
-
-EOF
- $MV "${write_libobj}T" "${write_libobj}"
- }
-}
-
-# func_mode_compile arg...
-func_mode_compile ()
-{
- $opt_debug
- # Get the compilation command and the source file.
- base_compile=
- srcfile="$nonopt" # always keep a non-empty value in "srcfile"
- suppress_opt=yes
- suppress_output=
- arg_mode=normal
- libobj=
- later=
- pie_flag=
-
- for arg
- do
- case $arg_mode in
- arg )
- # do not "continue". Instead, add this to base_compile
- lastarg="$arg"
- arg_mode=normal
- ;;
-
- target )
- libobj="$arg"
- arg_mode=normal
- continue
- ;;
-
- normal )
- # Accept any command-line options.
- case $arg in
- -o)
- test -n "$libobj" && \
- func_fatal_error "you cannot specify \`-o' more than once"
- arg_mode=target
- continue
- ;;
-
- -pie | -fpie | -fPIE)
- pie_flag="$pie_flag $arg"
- continue
- ;;
-
- -shared | -static | -prefer-pic | -prefer-non-pic)
- later="$later $arg"
- continue
- ;;
-
- -no-suppress)
- suppress_opt=no
- continue
- ;;
-
- -Xcompiler)
- arg_mode=arg # the next one goes into the "base_compile" arg list
- continue # The current "srcfile" will either be retained or
- ;; # replaced later. I would guess that would be a bug.
-
- -Wc,*)
- func_stripname '-Wc,' '' "$arg"
- args=$func_stripname_result
- lastarg=
- save_ifs="$IFS"; IFS=','
- for arg in $args; do
- IFS="$save_ifs"
- func_quote_for_eval "$arg"
- lastarg="$lastarg $func_quote_for_eval_result"
- done
- IFS="$save_ifs"
- func_stripname ' ' '' "$lastarg"
- lastarg=$func_stripname_result
-
- # Add the arguments to base_compile.
- base_compile="$base_compile $lastarg"
- continue
- ;;
-
- *)
- # Accept the current argument as the source file.
- # The previous "srcfile" becomes the current argument.
- #
- lastarg="$srcfile"
- srcfile="$arg"
- ;;
- esac # case $arg
- ;;
- esac # case $arg_mode
-
- # Aesthetically quote the previous argument.
- func_quote_for_eval "$lastarg"
- base_compile="$base_compile $func_quote_for_eval_result"
- done # for arg
-
- case $arg_mode in
- arg)
- func_fatal_error "you must specify an argument for -Xcompile"
- ;;
- target)
- func_fatal_error "you must specify a target with \`-o'"
- ;;
- *)
- # Get the name of the library object.
- test -z "$libobj" && {
- func_basename "$srcfile"
- libobj="$func_basename_result"
- }
- ;;
- esac
-
- # Recognize several different file suffixes.
- # If the user specifies -o file.o, it is replaced with file.lo
- case $libobj in
- *.[cCFSifmso] | \
- *.ada | *.adb | *.ads | *.asm | \
- *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
- *.[fF][09]? | *.for | *.java | *.obj | *.sx)
- func_xform "$libobj"
- libobj=$func_xform_result
- ;;
- esac
-
- case $libobj in
- *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
- *)
- func_fatal_error "cannot determine name of library object from \`$libobj'"
- ;;
- esac
-
- func_infer_tag $base_compile
-
- for arg in $later; do
- case $arg in
- -shared)
- test "$build_libtool_libs" != yes && \
- func_fatal_configuration "can not build a shared library"
- build_old_libs=no
- continue
- ;;
-
- -static)
- build_libtool_libs=no
- build_old_libs=yes
- continue
- ;;
-
- -prefer-pic)
- pic_mode=yes
- continue
- ;;
-
- -prefer-non-pic)
- pic_mode=no
- continue
- ;;
- esac
- done
-
- func_quote_for_eval "$libobj"
- test "X$libobj" != "X$func_quote_for_eval_result" \
- && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \
- && func_warning "libobj name \`$libobj' may not contain shell special characters."
- func_dirname_and_basename "$obj" "/" ""
- objname="$func_basename_result"
- xdir="$func_dirname_result"
- lobj=${xdir}$objdir/$objname
-
- test -z "$base_compile" && \
- func_fatal_help "you must specify a compilation command"
-
- # Delete any leftover library objects.
- if test "$build_old_libs" = yes; then
- removelist="$obj $lobj $libobj ${libobj}T"
- else
- removelist="$lobj $libobj ${libobj}T"
- fi
-
- # On Cygwin there's no "real" PIC flag so we must build both object types
- case $host_os in
- cygwin* | mingw* | pw32* | os2*)
- pic_mode=default
- ;;
- esac
- if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
- # non-PIC code in shared libraries is not supported
- pic_mode=default
- fi
-
- # Calculate the filename of the output object if compiler does
- # not support -o with -c
- if test "$compiler_c_o" = no; then
- output_obj=`$ECHO "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext}
- lockfile="$output_obj.lock"
- else
- output_obj=
- need_locks=no
- lockfile=
- fi
-
- # Lock this critical section if it is needed
- # We use this script file to make the link, it avoids creating a new file
- if test "$need_locks" = yes; then
- until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
- func_echo "Waiting for $lockfile to be removed"
- sleep 2
- done
- elif test "$need_locks" = warn; then
- if test -f "$lockfile"; then
- $ECHO "\
-*** ERROR, $lockfile exists and contains:
-`cat $lockfile 2>/dev/null`
-
-This indicates that another process is trying to use the same
-temporary object file, and libtool could not work around it because
-your compiler does not support \`-c' and \`-o' together. If you
-repeat this compilation, it may succeed, by chance, but you had better
-avoid parallel builds (make -j) in this platform, or get a better
-compiler."
-
- $opt_dry_run || $RM $removelist
- exit $EXIT_FAILURE
- fi
- removelist="$removelist $output_obj"
- $ECHO "$srcfile" > "$lockfile"
- fi
-
- $opt_dry_run || $RM $removelist
- removelist="$removelist $lockfile"
- trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15
-
- if test -n "$fix_srcfile_path"; then
- eval srcfile=\"$fix_srcfile_path\"
- fi
- func_quote_for_eval "$srcfile"
- qsrcfile=$func_quote_for_eval_result
-
- # Only build a PIC object if we are building libtool libraries.
- if test "$build_libtool_libs" = yes; then
- # Without this assignment, base_compile gets emptied.
- fbsd_hideous_sh_bug=$base_compile
-
- if test "$pic_mode" != no; then
- command="$base_compile $qsrcfile $pic_flag"
- else
- # Don't build PIC code
- command="$base_compile $qsrcfile"
- fi
-
- func_mkdir_p "$xdir$objdir"
-
- if test -z "$output_obj"; then
- # Place PIC objects in $objdir
- command="$command -o $lobj"
- fi
-
- func_show_eval_locale "$command" \
- 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
-
- if test "$need_locks" = warn &&
- test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
- $ECHO "\
-*** ERROR, $lockfile contains:
-`cat $lockfile 2>/dev/null`
-
-but it should contain:
-$srcfile
-
-This indicates that another process is trying to use the same
-temporary object file, and libtool could not work around it because
-your compiler does not support \`-c' and \`-o' together. If you
-repeat this compilation, it may succeed, by chance, but you had better
-avoid parallel builds (make -j) in this platform, or get a better
-compiler."
-
- $opt_dry_run || $RM $removelist
- exit $EXIT_FAILURE
- fi
-
- # Just move the object if needed, then go on to compile the next one
- if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
- func_show_eval '$MV "$output_obj" "$lobj"' \
- 'error=$?; $opt_dry_run || $RM $removelist; exit $error'
- fi
-
- # Allow error messages only from the first compilation.
- if test "$suppress_opt" = yes; then
- suppress_output=' >/dev/null 2>&1'
- fi
- fi
-
- # Only build a position-dependent object if we build old libraries.
- if test "$build_old_libs" = yes; then
- if test "$pic_mode" != yes; then
- # Don't build PIC code
- command="$base_compile $qsrcfile$pie_flag"
- else
- command="$base_compile $qsrcfile $pic_flag"
- fi
- if test "$compiler_c_o" = yes; then
- command="$command -o $obj"
- fi
-
- # Suppress compiler output if we already did a PIC compilation.
- command="$command$suppress_output"
- func_show_eval_locale "$command" \
- '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
-
- if test "$need_locks" = warn &&
- test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
- $ECHO "\
-*** ERROR, $lockfile contains:
-`cat $lockfile 2>/dev/null`
-
-but it should contain:
-$srcfile
-
-This indicates that another process is trying to use the same
-temporary object file, and libtool could not work around it because
-your compiler does not support \`-c' and \`-o' together. If you
-repeat this compilation, it may succeed, by chance, but you had better
-avoid parallel builds (make -j) in this platform, or get a better
-compiler."
-
- $opt_dry_run || $RM $removelist
- exit $EXIT_FAILURE
- fi
-
- # Just move the object if needed
- if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
- func_show_eval '$MV "$output_obj" "$obj"' \
- 'error=$?; $opt_dry_run || $RM $removelist; exit $error'
- fi
- fi
-
- $opt_dry_run || {
- func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
-
- # Unlock the critical section if it was locked
- if test "$need_locks" != no; then
- removelist=$lockfile
- $RM "$lockfile"
- fi
- }
-
- exit $EXIT_SUCCESS
-}
-
-$opt_help || {
-test "$mode" = compile && func_mode_compile ${1+"$@"}
-}
-
-func_mode_help ()
-{
- # We need to display help for each of the modes.
- case $mode in
- "")
- # Generic help is extracted from the usage comments
- # at the start of this file.
- func_help
- ;;
-
- clean)
- $ECHO \
-"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
-
-Remove files from the build directory.
-
-RM is the name of the program to use to delete files associated with each FILE
-(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed
-to RM.
-
-If FILE is a libtool library, object or program, all the files associated
-with it are deleted. Otherwise, only FILE itself is deleted using RM."
- ;;
-
- compile)
- $ECHO \
-"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
-
-Compile a source file into a libtool library object.
-
-This mode accepts the following additional options:
-
- -o OUTPUT-FILE set the output file name to OUTPUT-FILE
- -no-suppress do not suppress compiler output for multiple passes
- -prefer-pic try to building PIC objects only
- -prefer-non-pic try to building non-PIC objects only
- -shared do not build a \`.o' file suitable for static linking
- -static only build a \`.o' file suitable for static linking
-
-COMPILE-COMMAND is a command to be used in creating a \`standard' object file
-from the given SOURCEFILE.
-
-The output file name is determined by removing the directory component from
-SOURCEFILE, then substituting the C source code suffix \`.c' with the
-library object suffix, \`.lo'."
- ;;
-
- execute)
- $ECHO \
-"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]...
-
-Automatically set library path, then run a program.
-
-This mode accepts the following additional options:
-
- -dlopen FILE add the directory containing FILE to the library path
-
-This mode sets the library path environment variable according to \`-dlopen'
-flags.
-
-If any of the ARGS are libtool executable wrappers, then they are translated
-into their corresponding uninstalled binary, and any of their required library
-directories are added to the library path.
-
-Then, COMMAND is executed, with ARGS as arguments."
- ;;
-
- finish)
- $ECHO \
-"Usage: $progname [OPTION]... --mode=finish [LIBDIR]...
-
-Complete the installation of libtool libraries.
-
-Each LIBDIR is a directory that contains libtool libraries.
-
-The commands that this mode executes may require superuser privileges. Use
-the \`--dry-run' option if you just want to see what would be executed."
- ;;
-
- install)
- $ECHO \
-"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND...
-
-Install executables or libraries.
-
-INSTALL-COMMAND is the installation command. The first component should be
-either the \`install' or \`cp' program.
-
-The following components of INSTALL-COMMAND are treated specially:
-
- -inst-prefix PREFIX-DIR Use PREFIX-DIR as a staging area for installation
-
-The rest of the components are interpreted as arguments to that command (only
-BSD-compatible install options are recognized)."
- ;;
-
- link)
- $ECHO \
-"Usage: $progname [OPTION]... --mode=link LINK-COMMAND...
-
-Link object files or libraries together to form another library, or to
-create an executable program.
-
-LINK-COMMAND is a command using the C compiler that you would use to create
-a program from several object files.
-
-The following components of LINK-COMMAND are treated specially:
-
- -all-static do not do any dynamic linking at all
- -avoid-version do not add a version suffix if possible
- -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime
- -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols
- -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
- -export-symbols SYMFILE
- try to export only the symbols listed in SYMFILE
- -export-symbols-regex REGEX
- try to export only the symbols matching REGEX
- -LLIBDIR search LIBDIR for required installed libraries
- -lNAME OUTPUT-FILE requires the installed library libNAME
- -module build a library that can dlopened
- -no-fast-install disable the fast-install mode
- -no-install link a not-installable executable
- -no-undefined declare that a library does not refer to external symbols
- -o OUTPUT-FILE create OUTPUT-FILE from the specified objects
- -objectlist FILE Use a list of object files found in FILE to specify objects
- -precious-files-regex REGEX
- don't remove output files matching REGEX
- -release RELEASE specify package release information
- -rpath LIBDIR the created library will eventually be installed in LIBDIR
- -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries
- -shared only do dynamic linking of libtool libraries
- -shrext SUFFIX override the standard shared library file extension
- -static do not do any dynamic linking of uninstalled libtool libraries
- -static-libtool-libs
- do not do any dynamic linking of libtool libraries
- -version-info CURRENT[:REVISION[:AGE]]
- specify library version info [each variable defaults to 0]
- -weak LIBNAME declare that the target provides the LIBNAME interface
-
-All other options (arguments beginning with \`-') are ignored.
-
-Every other argument is treated as a filename. Files ending in \`.la' are
-treated as uninstalled libtool libraries, other files are standard or library
-object files.
-
-If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
-only library objects (\`.lo' files) may be specified, and \`-rpath' is
-required, except when creating a convenience library.
-
-If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
-using \`ar' and \`ranlib', or on Windows using \`lib'.
-
-If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
-is created, otherwise an executable program is created."
- ;;
-
- uninstall)
- $ECHO \
-"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
-
-Remove libraries from an installation directory.
-
-RM is the name of the program to use to delete files associated with each FILE
-(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed
-to RM.
-
-If FILE is a libtool library, all the files associated with it are deleted.
-Otherwise, only FILE itself is deleted using RM."
- ;;
-
- *)
- func_fatal_help "invalid operation mode \`$mode'"
- ;;
- esac
-
- $ECHO
- $ECHO "Try \`$progname --help' for more information about other modes."
-
- exit $?
-}
-
- # Now that we've collected a possible --mode arg, show help if necessary
- $opt_help && func_mode_help
-
-
-# func_mode_execute arg...
-func_mode_execute ()
-{
- $opt_debug
- # The first argument is the command name.
- cmd="$nonopt"
- test -z "$cmd" && \
- func_fatal_help "you must specify a COMMAND"
-
- # Handle -dlopen flags immediately.
- for file in $execute_dlfiles; do
- test -f "$file" \
- || func_fatal_help "\`$file' is not a file"
-
- dir=
- case $file in
- *.la)
- # Check to see that this really is a libtool archive.
- func_lalib_unsafe_p "$file" \
- || func_fatal_help "\`$lib' is not a valid libtool archive"
-
- # Read the libtool library.
- dlname=
- library_names=
- func_source "$file"
-
- # Skip this library if it cannot be dlopened.
- if test -z "$dlname"; then
- # Warn if it was a shared library.
- test -n "$library_names" && \
- func_warning "\`$file' was not linked with \`-export-dynamic'"
- continue
- fi
-
- func_dirname "$file" "" "."
- dir="$func_dirname_result"
-
- if test -f "$dir/$objdir/$dlname"; then
- dir="$dir/$objdir"
- else
- if test ! -f "$dir/$dlname"; then
- func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'"
- fi
- fi
- ;;
-
- *.lo)
- # Just add the directory containing the .lo file.
- func_dirname "$file" "" "."
- dir="$func_dirname_result"
- ;;
-
- *)
- func_warning "\`-dlopen' is ignored for non-libtool libraries and objects"
- continue
- ;;
- esac
-
- # Get the absolute pathname.
- absdir=`cd "$dir" && pwd`
- test -n "$absdir" && dir="$absdir"
-
- # Now add the directory to shlibpath_var.
- if eval "test -z \"\$$shlibpath_var\""; then
- eval "$shlibpath_var=\"\$dir\""
- else
- eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
- fi
- done
-
- # This variable tells wrapper scripts just to set shlibpath_var
- # rather than running their programs.
- libtool_execute_magic="$magic"
-
- # Check if any of the arguments is a wrapper script.
- args=
- for file
- do
- case $file in
- -*) ;;
- *)
- # Do a test to see if this is really a libtool program.
- if func_ltwrapper_script_p "$file"; then
- func_source "$file"
- # Transform arg to wrapped name.
- file="$progdir/$program"
- elif func_ltwrapper_executable_p "$file"; then
- func_ltwrapper_scriptname "$file"
- func_source "$func_ltwrapper_scriptname_result"
- # Transform arg to wrapped name.
- file="$progdir/$program"
- fi
- ;;
- esac
- # Quote arguments (to preserve shell metacharacters).
- func_quote_for_eval "$file"
- args="$args $func_quote_for_eval_result"
- done
-
- if test "X$opt_dry_run" = Xfalse; then
- if test -n "$shlibpath_var"; then
- # Export the shlibpath_var.
- eval "export $shlibpath_var"
- fi
-
- # Restore saved environment variables
- for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
- do
- eval "if test \"\${save_$lt_var+set}\" = set; then
- $lt_var=\$save_$lt_var; export $lt_var
- else
- $lt_unset $lt_var
- fi"
- done
-
- # Now prepare to actually exec the command.
- exec_cmd="\$cmd$args"
- else
- # Display what would be done.
- if test -n "$shlibpath_var"; then
- eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
- $ECHO "export $shlibpath_var"
- fi
- $ECHO "$cmd$args"
- exit $EXIT_SUCCESS
- fi
-}
-
-test "$mode" = execute && func_mode_execute ${1+"$@"}
-
-
-# func_mode_finish arg...
-func_mode_finish ()
-{
- $opt_debug
- libdirs="$nonopt"
- admincmds=
-
- if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
- for dir
- do
- libdirs="$libdirs $dir"
- done
-
- for libdir in $libdirs; do
- if test -n "$finish_cmds"; then
- # Do each command in the finish commands.
- func_execute_cmds "$finish_cmds" 'admincmds="$admincmds
-'"$cmd"'"'
- fi
- if test -n "$finish_eval"; then
- # Do the single finish_eval.
- eval cmds=\"$finish_eval\"
- $opt_dry_run || eval "$cmds" || admincmds="$admincmds
- $cmds"
- fi
- done
- fi
-
- # Exit here if they wanted silent mode.
- $opt_silent && exit $EXIT_SUCCESS
-
- $ECHO "X----------------------------------------------------------------------" | $Xsed
- $ECHO "Libraries have been installed in:"
- for libdir in $libdirs; do
- $ECHO " $libdir"
- done
- $ECHO
- $ECHO "If you ever happen to want to link against installed libraries"
- $ECHO "in a given directory, LIBDIR, you must either use libtool, and"
- $ECHO "specify the full pathname of the library, or use the \`-LLIBDIR'"
- $ECHO "flag during linking and do at least one of the following:"
- if test -n "$shlibpath_var"; then
- $ECHO " - add LIBDIR to the \`$shlibpath_var' environment variable"
- $ECHO " during execution"
- fi
- if test -n "$runpath_var"; then
- $ECHO " - add LIBDIR to the \`$runpath_var' environment variable"
- $ECHO " during linking"
- fi
- if test -n "$hardcode_libdir_flag_spec"; then
- libdir=LIBDIR
- eval flag=\"$hardcode_libdir_flag_spec\"
-
- $ECHO " - use the \`$flag' linker flag"
- fi
- if test -n "$admincmds"; then
- $ECHO " - have your system administrator run these commands:$admincmds"
- fi
- if test -f /etc/ld.so.conf; then
- $ECHO " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
- fi
- $ECHO
-
- $ECHO "See any operating system documentation about shared libraries for"
- case $host in
- solaris2.[6789]|solaris2.1[0-9])
- $ECHO "more information, such as the ld(1), crle(1) and ld.so(8) manual"
- $ECHO "pages."
- ;;
- *)
- $ECHO "more information, such as the ld(1) and ld.so(8) manual pages."
- ;;
- esac
- $ECHO "X----------------------------------------------------------------------" | $Xsed
- exit $EXIT_SUCCESS
-}
-
-test "$mode" = finish && func_mode_finish ${1+"$@"}
-
-
-# func_mode_install arg...
-func_mode_install ()
-{
- $opt_debug
- # There may be an optional sh(1) argument at the beginning of
- # install_prog (especially on Windows NT).
- if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
- # Allow the use of GNU shtool's install command.
- $ECHO "X$nonopt" | $GREP shtool >/dev/null; then
- # Aesthetically quote it.
- func_quote_for_eval "$nonopt"
- install_prog="$func_quote_for_eval_result "
- arg=$1
- shift
- else
- install_prog=
- arg=$nonopt
- fi
-
- # The real first argument should be the name of the installation program.
- # Aesthetically quote it.
- func_quote_for_eval "$arg"
- install_prog="$install_prog$func_quote_for_eval_result"
-
- # We need to accept at least all the BSD install flags.
- dest=
- files=
- opts=
- prev=
- install_type=
- isdir=no
- stripme=
- for arg
- do
- if test -n "$dest"; then
- files="$files $dest"
- dest=$arg
- continue
- fi
-
- case $arg in
- -d) isdir=yes ;;
- -f)
- case " $install_prog " in
- *[\\\ /]cp\ *) ;;
- *) prev=$arg ;;
- esac
- ;;
- -g | -m | -o)
- prev=$arg
- ;;
- -s)
- stripme=" -s"
- continue
- ;;
- -*)
- ;;
- *)
- # If the previous option needed an argument, then skip it.
- if test -n "$prev"; then
- prev=
- else
- dest=$arg
- continue
- fi
- ;;
- esac
-
- # Aesthetically quote the argument.
- func_quote_for_eval "$arg"
- install_prog="$install_prog $func_quote_for_eval_result"
- done
-
- test -z "$install_prog" && \
- func_fatal_help "you must specify an install program"
-
- test -n "$prev" && \
- func_fatal_help "the \`$prev' option requires an argument"
-
- if test -z "$files"; then
- if test -z "$dest"; then
- func_fatal_help "no file or destination specified"
- else
- func_fatal_help "you must specify a destination"
- fi
- fi
-
- # Strip any trailing slash from the destination.
- func_stripname '' '/' "$dest"
- dest=$func_stripname_result
-
- # Check to see that the destination is a directory.
- test -d "$dest" && isdir=yes
- if test "$isdir" = yes; then
- destdir="$dest"
- destname=
- else
- func_dirname_and_basename "$dest" "" "."
- destdir="$func_dirname_result"
- destname="$func_basename_result"
-
- # Not a directory, so check to see that there is only one file specified.
- set dummy $files; shift
- test "$#" -gt 1 && \
- func_fatal_help "\`$dest' is not a directory"
- fi
- case $destdir in
- [\\/]* | [A-Za-z]:[\\/]*) ;;
- *)
- for file in $files; do
- case $file in
- *.lo) ;;
- *)
- func_fatal_help "\`$destdir' must be an absolute directory name"
- ;;
- esac
- done
- ;;
- esac
-
- # This variable tells wrapper scripts just to set variables rather
- # than running their programs.
- libtool_install_magic="$magic"
-
- staticlibs=
- future_libdirs=
- current_libdirs=
- for file in $files; do
-
- # Do each installation.
- case $file in
- *.$libext)
- # Do the static libraries later.
- staticlibs="$staticlibs $file"
- ;;
-
- *.la)
- # Check to see that this really is a libtool archive.
- func_lalib_unsafe_p "$file" \
- || func_fatal_help "\`$file' is not a valid libtool archive"
-
- library_names=
- old_library=
- relink_command=
- func_source "$file"
-
- # Add the libdir to current_libdirs if it is the destination.
- if test "X$destdir" = "X$libdir"; then
- case "$current_libdirs " in
- *" $libdir "*) ;;
- *) current_libdirs="$current_libdirs $libdir" ;;
- esac
- else
- # Note the libdir as a future libdir.
- case "$future_libdirs " in
- *" $libdir "*) ;;
- *) future_libdirs="$future_libdirs $libdir" ;;
- esac
- fi
-
- func_dirname "$file" "/" ""
- dir="$func_dirname_result"
- dir="$dir$objdir"
-
- if test -n "$relink_command"; then
- # Determine the prefix the user has applied to our future dir.
- inst_prefix_dir=`$ECHO "X$destdir" | $Xsed -e "s%$libdir\$%%"`
-
- # Don't allow the user to place us outside of our expected
- # location b/c this prevents finding dependent libraries that
- # are installed to the same prefix.
- # At present, this check doesn't affect windows .dll's that
- # are installed into $libdir/../bin (currently, that works fine)
- # but it's something to keep an eye on.
- test "$inst_prefix_dir" = "$destdir" && \
- func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir"
-
- if test -n "$inst_prefix_dir"; then
- # Stick the inst_prefix_dir data into the link command.
- relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
- else
- relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%%"`
- fi
-
- func_warning "relinking \`$file'"
- func_show_eval "$relink_command" \
- 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"'
- fi
-
- # See the names of the shared library.
- set dummy $library_names; shift
- if test -n "$1"; then
- realname="$1"
- shift
-
- srcname="$realname"
- test -n "$relink_command" && srcname="$realname"T
-
- # Install the shared library and build the symlinks.
- func_show_eval "$install_prog $dir/$srcname $destdir/$realname" \
- 'exit $?'
- tstripme="$stripme"
- case $host_os in
- cygwin* | mingw* | pw32*)
- case $realname in
- *.dll.a)
- tstripme=""
- ;;
- esac
- ;;
- esac
- if test -n "$tstripme" && test -n "$striplib"; then
- func_show_eval "$striplib $destdir/$realname" 'exit $?'
- fi
-
- if test "$#" -gt 0; then
- # Delete the old symlinks, and create new ones.
- # Try `ln -sf' first, because the `ln' binary might depend on
- # the symlink we replace! Solaris /bin/ln does not understand -f,
- # so we also need to try rm && ln -s.
- for linkname
- do
- test "$linkname" != "$realname" \
- && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })"
- done
- fi
-
- # Do each command in the postinstall commands.
- lib="$destdir/$realname"
- func_execute_cmds "$postinstall_cmds" 'exit $?'
- fi
-
- # Install the pseudo-library for information purposes.
- func_basename "$file"
- name="$func_basename_result"
- instname="$dir/$name"i
- func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
-
- # Maybe install the static library, too.
- test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library"
- ;;
-
- *.lo)
- # Install (i.e. copy) a libtool object.
-
- # Figure out destination file name, if it wasn't already specified.
- if test -n "$destname"; then
- destfile="$destdir/$destname"
- else
- func_basename "$file"
- destfile="$func_basename_result"
- destfile="$destdir/$destfile"
- fi
-
- # Deduce the name of the destination old-style object file.
- case $destfile in
- *.lo)
- func_lo2o "$destfile"
- staticdest=$func_lo2o_result
- ;;
- *.$objext)
- staticdest="$destfile"
- destfile=
- ;;
- *)
- func_fatal_help "cannot copy a libtool object to \`$destfile'"
- ;;
- esac
-
- # Install the libtool object if requested.
- test -n "$destfile" && \
- func_show_eval "$install_prog $file $destfile" 'exit $?'
-
- # Install the old object if enabled.
- if test "$build_old_libs" = yes; then
- # Deduce the name of the old-style object file.
- func_lo2o "$file"
- staticobj=$func_lo2o_result
- func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?'
- fi
- exit $EXIT_SUCCESS
- ;;
-
- *)
- # Figure out destination file name, if it wasn't already specified.
- if test -n "$destname"; then
- destfile="$destdir/$destname"
- else
- func_basename "$file"
- destfile="$func_basename_result"
- destfile="$destdir/$destfile"
- fi
-
- # If the file is missing, and there is a .exe on the end, strip it
- # because it is most likely a libtool script we actually want to
- # install
- stripped_ext=""
- case $file in
- *.exe)
- if test ! -f "$file"; then
- func_stripname '' '.exe' "$file"
- file=$func_stripname_result
- stripped_ext=".exe"
- fi
- ;;
- esac
-
- # Do a test to see if this is really a libtool program.
- case $host in
- *cygwin*|*mingw*)
- if func_ltwrapper_executable_p "$file"; then
- func_ltwrapper_scriptname "$file"
- wrapper=$func_ltwrapper_scriptname_result
- else
- func_stripname '' '.exe' "$file"
- wrapper=$func_stripname_result
- fi
- ;;
- *)
- wrapper=$file
- ;;
- esac
- if func_ltwrapper_script_p "$wrapper"; then
- notinst_deplibs=
- relink_command=
-
- func_source "$wrapper"
-
- # Check the variables that should have been set.
- test -z "$generated_by_libtool_version" && \
- func_fatal_error "invalid libtool wrapper script \`$wrapper'"
-
- finalize=yes
- for lib in $notinst_deplibs; do
- # Check to see that each library is installed.
- libdir=
- if test -f "$lib"; then
- func_source "$lib"
- fi
- libfile="$libdir/"`$ECHO "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test
- if test -n "$libdir" && test ! -f "$libfile"; then
- func_warning "\`$lib' has not been installed in \`$libdir'"
- finalize=no
- fi
- done
-
- relink_command=
- func_source "$wrapper"
-
- outputname=
- if test "$fast_install" = no && test -n "$relink_command"; then
- $opt_dry_run || {
- if test "$finalize" = yes; then
- tmpdir=`func_mktempdir`
- func_basename "$file$stripped_ext"
- file="$func_basename_result"
- outputname="$tmpdir/$file"
- # Replace the output file specification.
- relink_command=`$ECHO "X$relink_command" | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g'`
-
- $opt_silent || {
- func_quote_for_expand "$relink_command"
- eval "func_echo $func_quote_for_expand_result"
- }
- if eval "$relink_command"; then :
- else
- func_error "error: relink \`$file' with the above command before installing it"
- $opt_dry_run || ${RM}r "$tmpdir"
- continue
- fi
- file="$outputname"
- else
- func_warning "cannot relink \`$file'"
- fi
- }
- else
- # Install the binary that we compiled earlier.
- file=`$ECHO "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"`
- fi
- fi
-
- # remove .exe since cygwin /usr/bin/install will append another
- # one anyway
- case $install_prog,$host in
- */usr/bin/install*,*cygwin*)
- case $file:$destfile in
- *.exe:*.exe)
- # this is ok
- ;;
- *.exe:*)
- destfile=$destfile.exe
- ;;
- *:*.exe)
- func_stripname '' '.exe' "$destfile"
- destfile=$func_stripname_result
- ;;
- esac
- ;;
- esac
- func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?'
- $opt_dry_run || if test -n "$outputname"; then
- ${RM}r "$tmpdir"
- fi
- ;;
- esac
- done
-
- for file in $staticlibs; do
- func_basename "$file"
- name="$func_basename_result"
-
- # Set up the ranlib parameters.
- oldlib="$destdir/$name"
-
- func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
-
- if test -n "$stripme" && test -n "$old_striplib"; then
- func_show_eval "$old_striplib $oldlib" 'exit $?'
- fi
-
- # Do each command in the postinstall commands.
- func_execute_cmds "$old_postinstall_cmds" 'exit $?'
- done
-
- test -n "$future_libdirs" && \
- func_warning "remember to run \`$progname --finish$future_libdirs'"
-
- if test -n "$current_libdirs"; then
- # Maybe just do a dry run.
- $opt_dry_run && current_libdirs=" -n$current_libdirs"
- exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
- else
- exit $EXIT_SUCCESS
- fi
-}
-
-test "$mode" = install && func_mode_install ${1+"$@"}
-
-
-# func_generate_dlsyms outputname originator pic_p
-# Extract symbols from dlprefiles and create ${outputname}S.o with
-# a dlpreopen symbol table.
-func_generate_dlsyms ()
-{
- $opt_debug
- my_outputname="$1"
- my_originator="$2"
- my_pic_p="${3-no}"
- my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'`
- my_dlsyms=
-
- if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
- if test -n "$NM" && test -n "$global_symbol_pipe"; then
- my_dlsyms="${my_outputname}S.c"
- else
- func_error "not configured to extract global symbols from dlpreopened files"
- fi
- fi
-
- if test -n "$my_dlsyms"; then
- case $my_dlsyms in
- "") ;;
- *.c)
- # Discover the nlist of each of the dlfiles.
- nlist="$output_objdir/${my_outputname}.nm"
-
- func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
-
- # Parse the name list into a source file.
- func_verbose "creating $output_objdir/$my_dlsyms"
-
- $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
-/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */
-/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */
-
-#ifdef __cplusplus
-extern \"C\" {
-#endif
-
-/* External symbol declarations for the compiler. */\
-"
-
- if test "$dlself" = yes; then
- func_verbose "generating symbol list for \`$output'"
-
- $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
-
- # Add our own program objects to the symbol list.
- progfiles=`$ECHO "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
- for progfile in $progfiles; do
- func_verbose "extracting global C symbols from \`$progfile'"
- $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'"
- done
-
- if test -n "$exclude_expsyms"; then
- $opt_dry_run || {
- eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
- eval '$MV "$nlist"T "$nlist"'
- }
- fi
-
- if test -n "$export_symbols_regex"; then
- $opt_dry_run || {
- eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
- eval '$MV "$nlist"T "$nlist"'
- }
- fi
-
- # Prepare the list of exported symbols
- if test -z "$export_symbols"; then
- export_symbols="$output_objdir/$outputname.exp"
- $opt_dry_run || {
- $RM $export_symbols
- eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
- case $host in
- *cygwin* | *mingw* )
- eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
- eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
- ;;
- esac
- }
- else
- $opt_dry_run || {
- eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
- eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
- eval '$MV "$nlist"T "$nlist"'
- case $host in
- *cygwin | *mingw* )
- eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
- eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
- ;;
- esac
- }
- fi
- fi
-
- for dlprefile in $dlprefiles; do
- func_verbose "extracting global C symbols from \`$dlprefile'"
- func_basename "$dlprefile"
- name="$func_basename_result"
- $opt_dry_run || {
- eval '$ECHO ": $name " >> "$nlist"'
- eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'"
- }
- done
-
- $opt_dry_run || {
- # Make sure we have at least an empty file.
- test -f "$nlist" || : > "$nlist"
-
- if test -n "$exclude_expsyms"; then
- $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
- $MV "$nlist"T "$nlist"
- fi
-
- # Try sorting and uniquifying the output.
- if $GREP -v "^: " < "$nlist" |
- if sort -k 3 </dev/null >/dev/null 2>&1; then
- sort -k 3
- else
- sort +2
- fi |
- uniq > "$nlist"S; then
- :
- else
- $GREP -v "^: " < "$nlist" > "$nlist"S
- fi
-
- if test -f "$nlist"S; then
- eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"'
- else
- $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms"
- fi
-
- $ECHO >> "$output_objdir/$my_dlsyms" "\
-
-/* The mapping between symbol names and symbols. */
-typedef struct {
- const char *name;
- void *address;
-} lt_dlsymlist;
-"
- case $host in
- *cygwin* | *mingw* )
- $ECHO >> "$output_objdir/$my_dlsyms" "\
-/* DATA imports from DLLs on WIN32 con't be const, because
- runtime relocations are performed -- see ld's documentation
- on pseudo-relocs. */"
- lt_dlsym_const= ;;
- *osf5*)
- echo >> "$output_objdir/$my_dlsyms" "\
-/* This system does not cope well with relocations in const data */"
- lt_dlsym_const= ;;
- *)
- lt_dlsym_const=const ;;
- esac
-
- $ECHO >> "$output_objdir/$my_dlsyms" "\
-extern $lt_dlsym_const lt_dlsymlist
-lt_${my_prefix}_LTX_preloaded_symbols[];
-$lt_dlsym_const lt_dlsymlist
-lt_${my_prefix}_LTX_preloaded_symbols[] =
-{\
- { \"$my_originator\", (void *) 0 },"
-
- case $need_lib_prefix in
- no)
- eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"
- ;;
- *)
- eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms"
- ;;
- esac
- $ECHO >> "$output_objdir/$my_dlsyms" "\
- {0, (void *) 0}
-};
-
-/* This works around a problem in FreeBSD linker */
-#ifdef FREEBSD_WORKAROUND
-static const void *lt_preloaded_setup() {
- return lt_${my_prefix}_LTX_preloaded_symbols;
-}
-#endif
-
-#ifdef __cplusplus
-}
-#endif\
-"
- } # !$opt_dry_run
-
- pic_flag_for_symtable=
- case "$compile_command " in
- *" -static "*) ;;
- *)
- case $host in
- # compiling the symbol table file with pic_flag works around
- # a FreeBSD bug that causes programs to crash when -lm is
- # linked before any other PIC object. But we must not use
- # pic_flag when linking with -static. The problem exists in
- # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
- *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
- pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
- *-*-hpux*)
- pic_flag_for_symtable=" $pic_flag" ;;
- *)
- if test "X$my_pic_p" != Xno; then
- pic_flag_for_symtable=" $pic_flag"
- fi
- ;;
- esac
- ;;
- esac
- symtab_cflags=
- for arg in $LTCFLAGS; do
- case $arg in
- -pie | -fpie | -fPIE) ;;
- *) symtab_cflags="$symtab_cflags $arg" ;;
- esac
- done
-
- # Now compile the dynamic symbol file.
- func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
-
- # Clean up the generated files.
- func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"'
-
- # Transform the symbol file into the correct name.
- symfileobj="$output_objdir/${my_outputname}S.$objext"
- case $host in
- *cygwin* | *mingw* )
- if test -f "$output_objdir/$my_outputname.def"; then
- compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
- finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
- else
- compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
- finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
- fi
- ;;
- *)
- compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
- finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
- ;;
- esac
- ;;
- *)
- func_fatal_error "unknown suffix for \`$my_dlsyms'"
- ;;
- esac
- else
- # We keep going just in case the user didn't refer to
- # lt_preloaded_symbols. The linker will fail if global_symbol_pipe
- # really was required.
-
- # Nullify the symbol file.
- compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"`
- finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"`
- fi
-}
-
-# func_win32_libid arg
-# return the library type of file 'arg'
-#
-# Need a lot of goo to handle *both* DLLs and import libs
-# Has to be a shell function in order to 'eat' the argument
-# that is supplied when $file_magic_command is called.
-func_win32_libid ()
-{
- $opt_debug
- win32_libid_type="unknown"
- win32_fileres=`file -L $1 2>/dev/null`
- case $win32_fileres in
- *ar\ archive\ import\ library*) # definitely import
- win32_libid_type="x86 archive import"
- ;;
- *ar\ archive*) # could be an import, or static
- if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
- $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then
- win32_nmres=`eval $NM -f posix -A $1 |
- $SED -n -e '
- 1,100{
- / I /{
- s,.*,import,
- p
- q
- }
- }'`
- case $win32_nmres in
- import*) win32_libid_type="x86 archive import";;
- *) win32_libid_type="x86 archive static";;
- esac
- fi
- ;;
- *DLL*)
- win32_libid_type="x86 DLL"
- ;;
- *executable*) # but shell scripts are "executable" too...
- case $win32_fileres in
- *MS\ Windows\ PE\ Intel*)
- win32_libid_type="x86 DLL"
- ;;
- esac
- ;;
- esac
- $ECHO "$win32_libid_type"
-}
-
-
-
-# func_extract_an_archive dir oldlib
-func_extract_an_archive ()
-{
- $opt_debug
- f_ex_an_ar_dir="$1"; shift
- f_ex_an_ar_oldlib="$1"
- func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" 'exit $?'
- if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
- :
- else
- func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
- fi
-}
-
-
-# func_extract_archives gentop oldlib ...
-func_extract_archives ()
-{
- $opt_debug
- my_gentop="$1"; shift
- my_oldlibs=${1+"$@"}
- my_oldobjs=""
- my_xlib=""
- my_xabs=""
- my_xdir=""
-
- for my_xlib in $my_oldlibs; do
- # Extract the objects.
- case $my_xlib in
- [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
- *) my_xabs=`pwd`"/$my_xlib" ;;
- esac
- func_basename "$my_xlib"
- my_xlib="$func_basename_result"
- my_xlib_u=$my_xlib
- while :; do
- case " $extracted_archives " in
- *" $my_xlib_u "*)
- func_arith $extracted_serial + 1
- extracted_serial=$func_arith_result
- my_xlib_u=lt$extracted_serial-$my_xlib ;;
- *) break ;;
- esac
- done
- extracted_archives="$extracted_archives $my_xlib_u"
- my_xdir="$my_gentop/$my_xlib_u"
-
- func_mkdir_p "$my_xdir"
-
- case $host in
- *-darwin*)
- func_verbose "Extracting $my_xabs"
- # Do not bother doing anything if just a dry run
- $opt_dry_run || {
- darwin_orig_dir=`pwd`
- cd $my_xdir || exit $?
- darwin_archive=$my_xabs
- darwin_curdir=`pwd`
- darwin_base_archive=`basename "$darwin_archive"`
- darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
- if test -n "$darwin_arches"; then
- darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
- darwin_arch=
- func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
- for darwin_arch in $darwin_arches ; do
- func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
- $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
- cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
- func_extract_an_archive "`pwd`" "${darwin_base_archive}"
- cd "$darwin_curdir"
- $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
- done # $darwin_arches
- ## Okay now we've a bunch of thin objects, gotta fatten them up :)
- darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u`
- darwin_file=
- darwin_files=
- for darwin_file in $darwin_filelist; do
- darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP`
- $LIPO -create -output "$darwin_file" $darwin_files
- done # $darwin_filelist
- $RM -rf unfat-$$
- cd "$darwin_orig_dir"
- else
- cd $darwin_orig_dir
- func_extract_an_archive "$my_xdir" "$my_xabs"
- fi # $darwin_arches
- } # !$opt_dry_run
- ;;
- *)
- func_extract_an_archive "$my_xdir" "$my_xabs"
- ;;
- esac
- my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP`
- done
-
- func_extract_archives_result="$my_oldobjs"
-}
-
-
-
-# func_emit_wrapper arg
-#
-# emit a libtool wrapper script on stdout
-# don't directly open a file because we may want to
-# incorporate the script contents within a cygwin/mingw
-# wrapper executable. Must ONLY be called from within
-# func_mode_link because it depends on a number of variable
-# set therein.
-#
-# arg is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
-# variable will take. If 'yes', then the emitted script
-# will assume that the directory in which it is stored is
-# the '.lib' directory. This is a cygwin/mingw-specific
-# behavior.
-func_emit_wrapper ()
-{
- func_emit_wrapper_arg1=no
- if test -n "$1" ; then
- func_emit_wrapper_arg1=$1
- fi
-
- $ECHO "\
-#! $SHELL
-
-# $output - temporary wrapper script for $objdir/$outputname
-# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
-#
-# The $output program cannot be directly executed until all the libtool
-# libraries that it depends on are installed.
-#
-# This wrapper script should never be moved out of the build directory.
-# If it is, it will not operate correctly.
-
-# Sed substitution that helps us do robust quoting. It backslashifies
-# metacharacters that are still active within double-quoted strings.
-Xsed='${SED} -e 1s/^X//'
-sed_quote_subst='$sed_quote_subst'
-
-# Be Bourne compatible
-if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
- emulate sh
- NULLCMD=:
- # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
- # is contrary to our usage. Disable this feature.
- alias -g '\${1+\"\$@\"}'='\"\$@\"'
- setopt NO_GLOB_SUBST
-else
- case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
-fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
-
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-relink_command=\"$relink_command\"
-
-# This environment variable determines our operation mode.
-if test \"\$libtool_install_magic\" = \"$magic\"; then
- # install mode needs the following variables:
- generated_by_libtool_version='$macro_version'
- notinst_deplibs='$notinst_deplibs'
-else
- # When we are sourced in execute mode, \$file and \$ECHO are already set.
- if test \"\$libtool_execute_magic\" != \"$magic\"; then
- ECHO=\"$qecho\"
- file=\"\$0\"
- # Make sure echo works.
- if test \"X\$1\" = X--no-reexec; then
- # Discard the --no-reexec flag, and continue.
- shift
- elif test \"X\`{ \$ECHO '\t'; } 2>/dev/null\`\" = 'X\t'; then
- # Yippee, \$ECHO works!
- :
- else
- # Restart under the correct shell, and then maybe \$ECHO will work.
- exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"}
- fi
- fi\
-"
- $ECHO "\
-
- # Find the directory that this script lives in.
- thisdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\`
- test \"x\$thisdir\" = \"x\$file\" && thisdir=.
-
- # Follow symbolic links until we get to the real thisdir.
- file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\`
- while test -n \"\$file\"; do
- destdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\`
-
- # If there was a directory component, then change thisdir.
- if test \"x\$destdir\" != \"x\$file\"; then
- case \"\$destdir\" in
- [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
- *) thisdir=\"\$thisdir/\$destdir\" ;;
- esac
- fi
-
- file=\`\$ECHO \"X\$file\" | \$Xsed -e 's%^.*/%%'\`
- file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\`
- done
-
- # Usually 'no', except on cygwin/mingw when embedded into
- # the cwrapper.
- WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1
- if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then
- # special case for '.'
- if test \"\$thisdir\" = \".\"; then
- thisdir=\`pwd\`
- fi
- # remove .libs from thisdir
- case \"\$thisdir\" in
- *[\\\\/]$objdir ) thisdir=\`\$ECHO \"X\$thisdir\" | \$Xsed -e 's%[\\\\/][^\\\\/]*$%%'\` ;;
- $objdir ) thisdir=. ;;
- esac
- fi
-
- # Try to get the absolute directory name.
- absdir=\`cd \"\$thisdir\" && pwd\`
- test -n \"\$absdir\" && thisdir=\"\$absdir\"
-"
-
- if test "$fast_install" = yes; then
- $ECHO "\
- program=lt-'$outputname'$exeext
- progdir=\"\$thisdir/$objdir\"
-
- if test ! -f \"\$progdir/\$program\" ||
- { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
- test \"X\$file\" != \"X\$progdir/\$program\"; }; then
-
- file=\"\$\$-\$program\"
-
- if test ! -d \"\$progdir\"; then
- $MKDIR \"\$progdir\"
- else
- $RM \"\$progdir/\$file\"
- fi"
-
- $ECHO "\
-
- # relink executable if necessary
- if test -n \"\$relink_command\"; then
- if relink_command_output=\`eval \$relink_command 2>&1\`; then :
- else
- $ECHO \"\$relink_command_output\" >&2
- $RM \"\$progdir/\$file\"
- exit 1
- fi
- fi
-
- $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
- { $RM \"\$progdir/\$program\";
- $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; }
- $RM \"\$progdir/\$file\"
- fi"
- else
- $ECHO "\
- program='$outputname'
- progdir=\"\$thisdir/$objdir\"
-"
- fi
-
- $ECHO "\
-
- if test -f \"\$progdir/\$program\"; then"
-
- # Export our shlibpath_var if we have one.
- if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
- $ECHO "\
- # Add our own library path to $shlibpath_var
- $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
-
- # Some systems cannot cope with colon-terminated $shlibpath_var
- # The second colon is a workaround for a bug in BeOS R4 sed
- $shlibpath_var=\`\$ECHO \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\`
-
- export $shlibpath_var
-"
- fi
-
- # fixup the dll searchpath if we need to.
- if test -n "$dllsearchpath"; then
- $ECHO "\
- # Add the dll search path components to the executable PATH
- PATH=$dllsearchpath:\$PATH
-"
- fi
-
- $ECHO "\
- if test \"\$libtool_execute_magic\" != \"$magic\"; then
- # Run the actual program with our arguments.
-"
- case $host in
- # Backslashes separate directories on plain windows
- *-*-mingw | *-*-os2*)
- $ECHO "\
- exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
-"
- ;;
-
- *)
- $ECHO "\
- exec \"\$progdir/\$program\" \${1+\"\$@\"}
-"
- ;;
- esac
- $ECHO "\
- \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2
- exit 1
- fi
- else
- # The program doesn't exist.
- \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
- \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
- $ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
- exit 1
- fi
-fi\
-"
-}
-# end: func_emit_wrapper
-
-# func_emit_cwrapperexe_src
-# emit the source code for a wrapper executable on stdout
-# Must ONLY be called from within func_mode_link because
-# it depends on a number of variable set therein.
-func_emit_cwrapperexe_src ()
-{
- cat <<EOF
-
-/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
- Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
-
- The $output program cannot be directly executed until all the libtool
- libraries that it depends on are installed.
-
- This wrapper executable should never be moved out of the build directory.
- If it is, it will not operate correctly.
-
- Currently, it simply execs the wrapper *script* "$SHELL $output",
- but could eventually absorb all of the scripts functionality and
- exec $objdir/$outputname directly.
-*/
-EOF
- cat <<"EOF"
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef _MSC_VER
-# include <direct.h>
-# include <process.h>
-# include <io.h>
-# define setmode _setmode
-#else
-# include <unistd.h>
-# include <stdint.h>
-# ifdef __CYGWIN__
-# include <io.h>
-# endif
-#endif
-#include <malloc.h>
-#include <stdarg.h>
-#include <assert.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-
-#if defined(PATH_MAX)
-# define LT_PATHMAX PATH_MAX
-#elif defined(MAXPATHLEN)
-# define LT_PATHMAX MAXPATHLEN
-#else
-# define LT_PATHMAX 1024
-#endif
-
-#ifndef S_IXOTH
-# define S_IXOTH 0
-#endif
-#ifndef S_IXGRP
-# define S_IXGRP 0
-#endif
-
-#ifdef _MSC_VER
-# define S_IXUSR _S_IEXEC
-# define stat _stat
-# ifndef _INTPTR_T_DEFINED
-# define intptr_t int
-# endif
-#endif
-
-#ifndef DIR_SEPARATOR
-# define DIR_SEPARATOR '/'
-# define PATH_SEPARATOR ':'
-#endif
-
-#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
- defined (__OS2__)
-# define HAVE_DOS_BASED_FILE_SYSTEM
-# define FOPEN_WB "wb"
-# ifndef DIR_SEPARATOR_2
-# define DIR_SEPARATOR_2 '\\'
-# endif
-# ifndef PATH_SEPARATOR_2
-# define PATH_SEPARATOR_2 ';'
-# endif
-#endif
-
-#ifndef DIR_SEPARATOR_2
-# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
-#else /* DIR_SEPARATOR_2 */
-# define IS_DIR_SEPARATOR(ch) \
- (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
-#endif /* DIR_SEPARATOR_2 */
-
-#ifndef PATH_SEPARATOR_2
-# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
-#else /* PATH_SEPARATOR_2 */
-# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
-#endif /* PATH_SEPARATOR_2 */
-
-#ifdef __CYGWIN__
-# define FOPEN_WB "wb"
-#endif
-
-#ifndef FOPEN_WB
-# define FOPEN_WB "w"
-#endif
-#ifndef _O_BINARY
-# define _O_BINARY 0
-#endif
-
-#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type)))
-#define XFREE(stale) do { \
- if (stale) { free ((void *) stale); stale = 0; } \
-} while (0)
-
-#undef LTWRAPPER_DEBUGPRINTF
-#if defined DEBUGWRAPPER
-# define LTWRAPPER_DEBUGPRINTF(args) ltwrapper_debugprintf args
-static void
-ltwrapper_debugprintf (const char *fmt, ...)
-{
- va_list args;
- va_start (args, fmt);
- (void) vfprintf (stderr, fmt, args);
- va_end (args);
-}
-#else
-# define LTWRAPPER_DEBUGPRINTF(args)
-#endif
-
-const char *program_name = NULL;
-
-void *xmalloc (size_t num);
-char *xstrdup (const char *string);
-const char *base_name (const char *name);
-char *find_executable (const char *wrapper);
-char *chase_symlinks (const char *pathspec);
-int make_executable (const char *path);
-int check_executable (const char *path);
-char *strendzap (char *str, const char *pat);
-void lt_fatal (const char *message, ...);
-
-static const char *script_text =
-EOF
-
- func_emit_wrapper yes |
- $SED -e 's/\([\\"]\)/\\\1/g' \
- -e 's/^/ "/' -e 's/$/\\n"/'
- echo ";"
-
- cat <<EOF
-const char * MAGIC_EXE = "$magic_exe";
-
-int
-main (int argc, char *argv[])
-{
- char **newargz;
- char *tmp_pathspec;
- char *actual_cwrapper_path;
- char *shwrapper_name;
- intptr_t rval = 127;
- FILE *shwrapper;
-
- const char *dumpscript_opt = "--lt-dump-script";
- int i;
-
- program_name = (char *) xstrdup (base_name (argv[0]));
- LTWRAPPER_DEBUGPRINTF (("(main) argv[0] : %s\n", argv[0]));
- LTWRAPPER_DEBUGPRINTF (("(main) program_name : %s\n", program_name));
-
- /* very simple arg parsing; don't want to rely on getopt */
- for (i = 1; i < argc; i++)
- {
- if (strcmp (argv[i], dumpscript_opt) == 0)
- {
-EOF
- case "$host" in
- *mingw* | *cygwin* )
- # make stdout use "unix" line endings
- echo " setmode(1,_O_BINARY);"
- ;;
- esac
-
- cat <<EOF
- printf ("%s", script_text);
- return 0;
- }
- }
-
- newargz = XMALLOC (char *, argc + 2);
-EOF
-
- if test -n "$TARGETSHELL" ; then
- # no path translation at all
- lt_newargv0=$TARGETSHELL
- else
- case "$host" in
- *mingw* )
- # awkward: cmd appends spaces to result
- lt_sed_strip_trailing_spaces="s/[ ]*\$//"
- lt_newargv0=`( cmd //c echo $SHELL | $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo $SHELL`
- case $lt_newargv0 in
- *.exe | *.EXE) ;;
- *) lt_newargv0=$lt_newargv0.exe ;;
- esac
- ;;
- * ) lt_newargv0=$SHELL ;;
- esac
- fi
-
- cat <<EOF
- newargz[0] = (char *) xstrdup ("$lt_newargv0");
-EOF
-
- cat <<"EOF"
- tmp_pathspec = find_executable (argv[0]);
- if (tmp_pathspec == NULL)
- lt_fatal ("Couldn't find %s", argv[0]);
- LTWRAPPER_DEBUGPRINTF (("(main) found exe (before symlink chase) at : %s\n",
- tmp_pathspec));
-
- actual_cwrapper_path = chase_symlinks (tmp_pathspec);
- LTWRAPPER_DEBUGPRINTF (("(main) found exe (after symlink chase) at : %s\n",
- actual_cwrapper_path));
- XFREE (tmp_pathspec);
-
- shwrapper_name = (char *) xstrdup (base_name (actual_cwrapper_path));
- strendzap (actual_cwrapper_path, shwrapper_name);
-
- /* shwrapper_name transforms */
- strendzap (shwrapper_name, ".exe");
- tmp_pathspec = XMALLOC (char, (strlen (shwrapper_name) +
- strlen ("_ltshwrapperTMP") + 1));
- strcpy (tmp_pathspec, shwrapper_name);
- strcat (tmp_pathspec, "_ltshwrapperTMP");
- XFREE (shwrapper_name);
- shwrapper_name = tmp_pathspec;
- tmp_pathspec = 0;
- LTWRAPPER_DEBUGPRINTF (("(main) libtool shell wrapper name: %s\n",
- shwrapper_name));
-EOF
-
- cat <<EOF
- newargz[1] =
- XMALLOC (char, (strlen (actual_cwrapper_path) +
- strlen ("$objdir") + 1 + strlen (shwrapper_name) + 1));
- strcpy (newargz[1], actual_cwrapper_path);
- strcat (newargz[1], "$objdir");
- strcat (newargz[1], "/");
- strcat (newargz[1], shwrapper_name);
-EOF
-
-
- case $host_os in
- mingw*)
- cat <<"EOF"
- {
- char* p;
- while ((p = strchr (newargz[1], '\\')) != NULL)
- {
- *p = '/';
- }
- }
-EOF
- ;;
- esac
-
- cat <<"EOF"
- XFREE (shwrapper_name);
- XFREE (actual_cwrapper_path);
-
- /* always write in binary mode */
- if ((shwrapper = fopen (newargz[1], FOPEN_WB)) == 0)
- {
- lt_fatal ("Could not open %s for writing", newargz[1]);
- }
- fprintf (shwrapper, "%s", script_text);
- fclose (shwrapper);
-
- make_executable (newargz[1]);
-
- for (i = 1; i < argc; i++)
- newargz[i + 1] = xstrdup (argv[i]);
- newargz[argc + 1] = NULL;
-
- for (i = 0; i < argc + 1; i++)
- {
- LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d] : %s\n", i, newargz[i]));
- }
-
-EOF
-
- case $host_os in
- mingw*)
- cat <<EOF
- /* execv doesn't actually work on mingw as expected on unix */
- rval = _spawnv (_P_WAIT, "$lt_newargv0", (const char * const *) newargz);
- if (rval == -1)
- {
- /* failed to start process */
- LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target \"$lt_newargv0\": errno = %d\n", errno));
- return 127;
- }
- return rval;
-}
-EOF
- ;;
- *)
- cat <<EOF
- execv ("$lt_newargv0", newargz);
- return rval; /* =127, but avoids unused variable warning */
-}
-EOF
- ;;
- esac
-
- cat <<"EOF"
-
-void *
-xmalloc (size_t num)
-{
- void *p = (void *) malloc (num);
- if (!p)
- lt_fatal ("Memory exhausted");
-
- return p;
-}
-
-char *
-xstrdup (const char *string)
-{
- return string ? strcpy ((char *) xmalloc (strlen (string) + 1),
- string) : NULL;
-}
-
-const char *
-base_name (const char *name)
-{
- const char *base;
-
-#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
- /* Skip over the disk name in MSDOS pathnames. */
- if (isalpha ((unsigned char) name[0]) && name[1] == ':')
- name += 2;
-#endif
-
- for (base = name; *name; name++)
- if (IS_DIR_SEPARATOR (*name))
- base = name + 1;
- return base;
-}
-
-int
-check_executable (const char *path)
-{
- struct stat st;
-
- LTWRAPPER_DEBUGPRINTF (("(check_executable) : %s\n",
- path ? (*path ? path : "EMPTY!") : "NULL!"));
- if ((!path) || (!*path))
- return 0;
-
- if ((stat (path, &st) >= 0)
- && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
- return 1;
- else
- return 0;
-}
-
-int
-make_executable (const char *path)
-{
- int rval = 0;
- struct stat st;
-
- LTWRAPPER_DEBUGPRINTF (("(make_executable) : %s\n",
- path ? (*path ? path : "EMPTY!") : "NULL!"));
- if ((!path) || (!*path))
- return 0;
-
- if (stat (path, &st) >= 0)
- {
- rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR);
- }
- return rval;
-}
-
-/* Searches for the full path of the wrapper. Returns
- newly allocated full path name if found, NULL otherwise
- Does not chase symlinks, even on platforms that support them.
-*/
-char *
-find_executable (const char *wrapper)
-{
- int has_slash = 0;
- const char *p;
- const char *p_next;
- /* static buffer for getcwd */
- char tmp[LT_PATHMAX + 1];
- int tmp_len;
- char *concat_name;
-
- LTWRAPPER_DEBUGPRINTF (("(find_executable) : %s\n",
- wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!"));
-
- if ((wrapper == NULL) || (*wrapper == '\0'))
- return NULL;
-
- /* Absolute path? */
-#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
- if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':')
- {
- concat_name = xstrdup (wrapper);
- if (check_executable (concat_name))
- return concat_name;
- XFREE (concat_name);
- }
- else
- {
-#endif
- if (IS_DIR_SEPARATOR (wrapper[0]))
- {
- concat_name = xstrdup (wrapper);
- if (check_executable (concat_name))
- return concat_name;
- XFREE (concat_name);
- }
-#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
- }
-#endif
-
- for (p = wrapper; *p; p++)
- if (*p == '/')
- {
- has_slash = 1;
- break;
- }
- if (!has_slash)
- {
- /* no slashes; search PATH */
- const char *path = getenv ("PATH");
- if (path != NULL)
- {
- for (p = path; *p; p = p_next)
- {
- const char *q;
- size_t p_len;
- for (q = p; *q; q++)
- if (IS_PATH_SEPARATOR (*q))
- break;
- p_len = q - p;
- p_next = (*q == '\0' ? q : q + 1);
- if (p_len == 0)
- {
- /* empty path: current directory */
- if (getcwd (tmp, LT_PATHMAX) == NULL)
- lt_fatal ("getcwd failed");
- tmp_len = strlen (tmp);
- concat_name =
- XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
- memcpy (concat_name, tmp, tmp_len);
- concat_name[tmp_len] = '/';
- strcpy (concat_name + tmp_len + 1, wrapper);
- }
- else
- {
- concat_name =
- XMALLOC (char, p_len + 1 + strlen (wrapper) + 1);
- memcpy (concat_name, p, p_len);
- concat_name[p_len] = '/';
- strcpy (concat_name + p_len + 1, wrapper);
- }
- if (check_executable (concat_name))
- return concat_name;
- XFREE (concat_name);
- }
- }
- /* not found in PATH; assume curdir */
- }
- /* Relative path | not found in path: prepend cwd */
- if (getcwd (tmp, LT_PATHMAX) == NULL)
- lt_fatal ("getcwd failed");
- tmp_len = strlen (tmp);
- concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
- memcpy (concat_name, tmp, tmp_len);
- concat_name[tmp_len] = '/';
- strcpy (concat_name + tmp_len + 1, wrapper);
-
- if (check_executable (concat_name))
- return concat_name;
- XFREE (concat_name);
- return NULL;
-}
-
-char *
-chase_symlinks (const char *pathspec)
-{
-#ifndef S_ISLNK
- return xstrdup (pathspec);
-#else
- char buf[LT_PATHMAX];
- struct stat s;
- char *tmp_pathspec = xstrdup (pathspec);
- char *p;
- int has_symlinks = 0;
- while (strlen (tmp_pathspec) && !has_symlinks)
- {
- LTWRAPPER_DEBUGPRINTF (("checking path component for symlinks: %s\n",
- tmp_pathspec));
- if (lstat (tmp_pathspec, &s) == 0)
- {
- if (S_ISLNK (s.st_mode) != 0)
- {
- has_symlinks = 1;
- break;
- }
-
- /* search backwards for last DIR_SEPARATOR */
- p = tmp_pathspec + strlen (tmp_pathspec) - 1;
- while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
- p--;
- if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
- {
- /* no more DIR_SEPARATORS left */
- break;
- }
- *p = '\0';
- }
- else
- {
- char *errstr = strerror (errno);
- lt_fatal ("Error accessing file %s (%s)", tmp_pathspec, errstr);
- }
- }
- XFREE (tmp_pathspec);
-
- if (!has_symlinks)
- {
- return xstrdup (pathspec);
- }
-
- tmp_pathspec = realpath (pathspec, buf);
- if (tmp_pathspec == 0)
- {
- lt_fatal ("Could not follow symlinks for %s", pathspec);
- }
- return xstrdup (tmp_pathspec);
-#endif
-}
-
-char *
-strendzap (char *str, const char *pat)
-{
- size_t len, patlen;
-
- assert (str != NULL);
- assert (pat != NULL);
-
- len = strlen (str);
- patlen = strlen (pat);
-
- if (patlen <= len)
- {
- str += len - patlen;
- if (strcmp (str, pat) == 0)
- *str = '\0';
- }
- return str;
-}
-
-static void
-lt_error_core (int exit_status, const char *mode,
- const char *message, va_list ap)
-{
- fprintf (stderr, "%s: %s: ", program_name, mode);
- vfprintf (stderr, message, ap);
- fprintf (stderr, ".\n");
-
- if (exit_status >= 0)
- exit (exit_status);
-}
-
-void
-lt_fatal (const char *message, ...)
-{
- va_list ap;
- va_start (ap, message);
- lt_error_core (EXIT_FAILURE, "FATAL", message, ap);
- va_end (ap);
-}
-EOF
-}
-# end: func_emit_cwrapperexe_src
-
-# func_mode_link arg...
-func_mode_link ()
-{
- $opt_debug
- case $host in
- *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
- # It is impossible to link a dll without this setting, and
- # we shouldn't force the makefile maintainer to figure out
- # which system we are compiling for in order to pass an extra
- # flag for every libtool invocation.
- # allow_undefined=no
-
- # FIXME: Unfortunately, there are problems with the above when trying
- # to make a dll which has undefined symbols, in which case not
- # even a static library is built. For now, we need to specify
- # -no-undefined on the libtool link line when we can be certain
- # that all symbols are satisfied, otherwise we get a static library.
- allow_undefined=yes
- ;;
- *)
- allow_undefined=yes
- ;;
- esac
- libtool_args=$nonopt
- base_compile="$nonopt $@"
- compile_command=$nonopt
- finalize_command=$nonopt
-
- compile_rpath=
- finalize_rpath=
- compile_shlibpath=
- finalize_shlibpath=
- convenience=
- old_convenience=
- deplibs=
- old_deplibs=
- compiler_flags=
- linker_flags=
- dllsearchpath=
- lib_search_path=`pwd`
- inst_prefix_dir=
- new_inherited_linker_flags=
-
- avoid_version=no
- dlfiles=
- dlprefiles=
- dlself=no
- export_dynamic=no
- export_symbols=
- export_symbols_regex=
- generated=
- libobjs=
- ltlibs=
- module=no
- no_install=no
- objs=
- non_pic_objects=
- precious_files_regex=
- prefer_static_libs=no
- preload=no
- prev=
- prevarg=
- release=
- rpath=
- xrpath=
- perm_rpath=
- temp_rpath=
- thread_safe=no
- vinfo=
- vinfo_number=no
- weak_libs=
- single_module="${wl}-single_module"
- func_infer_tag $base_compile
-
- # We need to know -static, to get the right output filenames.
- for arg
- do
- case $arg in
- -shared)
- test "$build_libtool_libs" != yes && \
- func_fatal_configuration "can not build a shared library"
- build_old_libs=no
- break
- ;;
- -all-static | -static | -static-libtool-libs)
- case $arg in
- -all-static)
- if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
- func_warning "complete static linking is impossible in this configuration"
- fi
- if test -n "$link_static_flag"; then
- dlopen_self=$dlopen_self_static
- fi
- prefer_static_libs=yes
- ;;
- -static)
- if test -z "$pic_flag" && test -n "$link_static_flag"; then
- dlopen_self=$dlopen_self_static
- fi
- prefer_static_libs=built
- ;;
- -static-libtool-libs)
- if test -z "$pic_flag" && test -n "$link_static_flag"; then
- dlopen_self=$dlopen_self_static
- fi
- prefer_static_libs=yes
- ;;
- esac
- build_libtool_libs=no
- build_old_libs=yes
- break
- ;;
- esac
- done
-
- # See if our shared archives depend on static archives.
- test -n "$old_archive_from_new_cmds" && build_old_libs=yes
-
- # Go through the arguments, transforming them on the way.
- while test "$#" -gt 0; do
- arg="$1"
- shift
- func_quote_for_eval "$arg"
- qarg=$func_quote_for_eval_unquoted_result
- func_append libtool_args " $func_quote_for_eval_result"
-
- # If the previous option needs an argument, assign it.
- if test -n "$prev"; then
- case $prev in
- output)
- func_append compile_command " @OUTPUT@"
- func_append finalize_command " @OUTPUT@"
- ;;
- esac
-
- case $prev in
- dlfiles|dlprefiles)
- if test "$preload" = no; then
- # Add the symbol object into the linking commands.
- func_append compile_command " @SYMFILE@"
- func_append finalize_command " @SYMFILE@"
- preload=yes
- fi
- case $arg in
- *.la | *.lo) ;; # We handle these cases below.
- force)
- if test "$dlself" = no; then
- dlself=needless
- export_dynamic=yes
- fi
- prev=
- continue
- ;;
- self)
- if test "$prev" = dlprefiles; then
- dlself=yes
- elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
- dlself=yes
- else
- dlself=needless
- export_dynamic=yes
- fi
- prev=
- continue
- ;;
- *)
- if test "$prev" = dlfiles; then
- dlfiles="$dlfiles $arg"
- else
- dlprefiles="$dlprefiles $arg"
- fi
- prev=
- continue
- ;;
- esac
- ;;
- expsyms)
- export_symbols="$arg"
- test -f "$arg" \
- || func_fatal_error "symbol file \`$arg' does not exist"
- prev=
- continue
- ;;
- expsyms_regex)
- export_symbols_regex="$arg"
- prev=
- continue
- ;;
- framework)
- case $host in
- *-*-darwin*)
- case "$deplibs " in
- *" $qarg.ltframework "*) ;;
- *) deplibs="$deplibs $qarg.ltframework" # this is fixed later
- ;;
- esac
- ;;
- esac
- prev=
- continue
- ;;
- inst_prefix)
- inst_prefix_dir="$arg"
- prev=
- continue
- ;;
- objectlist)
- if test -f "$arg"; then
- save_arg=$arg
- moreargs=
- for fil in `cat "$save_arg"`
- do
-# moreargs="$moreargs $fil"
- arg=$fil
- # A libtool-controlled object.
-
- # Check to see that this really is a libtool object.
- if func_lalib_unsafe_p "$arg"; then
- pic_object=
- non_pic_object=
-
- # Read the .lo file
- func_source "$arg"
-
- if test -z "$pic_object" ||
- test -z "$non_pic_object" ||
- test "$pic_object" = none &&
- test "$non_pic_object" = none; then
- func_fatal_error "cannot find name of object for \`$arg'"
- fi
-
- # Extract subdirectory from the argument.
- func_dirname "$arg" "/" ""
- xdir="$func_dirname_result"
-
- if test "$pic_object" != none; then
- # Prepend the subdirectory the object is found in.
- pic_object="$xdir$pic_object"
-
- if test "$prev" = dlfiles; then
- if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
- dlfiles="$dlfiles $pic_object"
- prev=
- continue
- else
- # If libtool objects are unsupported, then we need to preload.
- prev=dlprefiles
- fi
- fi
-
- # CHECK ME: I think I busted this. -Ossama
- if test "$prev" = dlprefiles; then
- # Preload the old-style object.
- dlprefiles="$dlprefiles $pic_object"
- prev=
- fi
-
- # A PIC object.
- func_append libobjs " $pic_object"
- arg="$pic_object"
- fi
-
- # Non-PIC object.
- if test "$non_pic_object" != none; then
- # Prepend the subdirectory the object is found in.
- non_pic_object="$xdir$non_pic_object"
-
- # A standard non-PIC object
- func_append non_pic_objects " $non_pic_object"
- if test -z "$pic_object" || test "$pic_object" = none ; then
- arg="$non_pic_object"
- fi
- else
- # If the PIC object exists, use it instead.
- # $xdir was prepended to $pic_object above.
- non_pic_object="$pic_object"
- func_append non_pic_objects " $non_pic_object"
- fi
- else
- # Only an error if not doing a dry-run.
- if $opt_dry_run; then
- # Extract subdirectory from the argument.
- func_dirname "$arg" "/" ""
- xdir="$func_dirname_result"
-
- func_lo2o "$arg"
- pic_object=$xdir$objdir/$func_lo2o_result
- non_pic_object=$xdir$func_lo2o_result
- func_append libobjs " $pic_object"
- func_append non_pic_objects " $non_pic_object"
- else
- func_fatal_error "\`$arg' is not a valid libtool object"
- fi
- fi
- done
- else
- func_fatal_error "link input file \`$arg' does not exist"
- fi
- arg=$save_arg
- prev=
- continue
- ;;
- precious_regex)
- precious_files_regex="$arg"
- prev=
- continue
- ;;
- release)
- release="-$arg"
- prev=
- continue
- ;;
- rpath | xrpath)
- # We need an absolute path.
- case $arg in
- [\\/]* | [A-Za-z]:[\\/]*) ;;
- *)
- func_fatal_error "only absolute run-paths are allowed"
- ;;
- esac
- if test "$prev" = rpath; then
- case "$rpath " in
- *" $arg "*) ;;
- *) rpath="$rpath $arg" ;;
- esac
- else
- case "$xrpath " in
- *" $arg "*) ;;
- *) xrpath="$xrpath $arg" ;;
- esac
- fi
- prev=
- continue
- ;;
- shrext)
- shrext_cmds="$arg"
- prev=
- continue
- ;;
- weak)
- weak_libs="$weak_libs $arg"
- prev=
- continue
- ;;
- xcclinker)
- linker_flags="$linker_flags $qarg"
- compiler_flags="$compiler_flags $qarg"
- prev=
- func_append compile_command " $qarg"
- func_append finalize_command " $qarg"
- continue
- ;;
- xcompiler)
- compiler_flags="$compiler_flags $qarg"
- prev=
- func_append compile_command " $qarg"
- func_append finalize_command " $qarg"
- continue
- ;;
- xlinker)
- linker_flags="$linker_flags $qarg"
- compiler_flags="$compiler_flags $wl$qarg"
- prev=
- func_append compile_command " $wl$qarg"
- func_append finalize_command " $wl$qarg"
- continue
- ;;
- *)
- eval "$prev=\"\$arg\""
- prev=
- continue
- ;;
- esac
- fi # test -n "$prev"
-
- prevarg="$arg"
-
- case $arg in
- -all-static)
- if test -n "$link_static_flag"; then
- # See comment for -static flag below, for more details.
- func_append compile_command " $link_static_flag"
- func_append finalize_command " $link_static_flag"
- fi
- continue
- ;;
-
- -allow-undefined)
- # FIXME: remove this flag sometime in the future.
- func_fatal_error "\`-allow-undefined' must not be used because it is the default"
- ;;
-
- -avoid-version)
- avoid_version=yes
- continue
- ;;
-
- -dlopen)
- prev=dlfiles
- continue
- ;;
-
- -dlpreopen)
- prev=dlprefiles
- continue
- ;;
-
- -export-dynamic)
- export_dynamic=yes
- continue
- ;;
-
- -export-symbols | -export-symbols-regex)
- if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
- func_fatal_error "more than one -exported-symbols argument is not allowed"
- fi
- if test "X$arg" = "X-export-symbols"; then
- prev=expsyms
- else
- prev=expsyms_regex
- fi
- continue
- ;;
-
- -framework)
- prev=framework
- continue
- ;;
-
- -inst-prefix-dir)
- prev=inst_prefix
- continue
- ;;
-
- # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
- # so, if we see these flags be careful not to treat them like -L
- -L[A-Z][A-Z]*:*)
- case $with_gcc/$host in
- no/*-*-irix* | /*-*-irix*)
- func_append compile_command " $arg"
- func_append finalize_command " $arg"
- ;;
- esac
- continue
- ;;
-
- -L*)
- func_stripname '-L' '' "$arg"
- dir=$func_stripname_result
- # We need an absolute path.
- case $dir in
- [\\/]* | [A-Za-z]:[\\/]*) ;;
- *)
- absdir=`cd "$dir" && pwd`
- test -z "$absdir" && \
- func_fatal_error "cannot determine absolute directory name of \`$dir'"
- dir="$absdir"
- ;;
- esac
- case "$deplibs " in
- *" -L$dir "*) ;;
- *)
- deplibs="$deplibs -L$dir"
- lib_search_path="$lib_search_path $dir"
- ;;
- esac
- case $host in
- *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
- testbindir=`$ECHO "X$dir" | $Xsed -e 's*/lib$*/bin*'`
- case :$dllsearchpath: in
- *":$dir:"*) ;;
- *) dllsearchpath="$dllsearchpath:$dir";;
- esac
- case :$dllsearchpath: in
- *":$testbindir:"*) ;;
- *) dllsearchpath="$dllsearchpath:$testbindir";;
- esac
- ;;
- esac
- continue
- ;;
-
- -l*)
- if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
- case $host in
- *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos*)
- # These systems don't actually have a C or math library (as such)
- continue
- ;;
- *-*-os2*)
- # These systems don't actually have a C library (as such)
- test "X$arg" = "X-lc" && continue
- ;;
- *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
- # Do not include libc due to us having libc/libc_r.
- test "X$arg" = "X-lc" && continue
- ;;
- *-*-rhapsody* | *-*-darwin1.[012])
- # Rhapsody C and math libraries are in the System framework
- deplibs="$deplibs System.ltframework"
- continue
- ;;
- *-*-sco3.2v5* | *-*-sco5v6*)
- # Causes problems with __ctype
- test "X$arg" = "X-lc" && continue
- ;;
- *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
- # Compiler inserts libc in the correct place for threads to work
- test "X$arg" = "X-lc" && continue
- ;;
- esac
- elif test "X$arg" = "X-lc_r"; then
- case $host in
- *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
- # Do not include libc_r directly, use -pthread flag.
- continue
- ;;
- esac
- fi
- deplibs="$deplibs $arg"
- continue
- ;;
-
- -module)
- module=yes
- continue
- ;;
-
- # Tru64 UNIX uses -model [arg] to determine the layout of C++
- # classes, name mangling, and exception handling.
- # Darwin uses the -arch flag to determine output architecture.
- -model|-arch|-isysroot)
- compiler_flags="$compiler_flags $arg"
- func_append compile_command " $arg"
- func_append finalize_command " $arg"
- prev=xcompiler
- continue
- ;;
-
- -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
- compiler_flags="$compiler_flags $arg"
- func_append compile_command " $arg"
- func_append finalize_command " $arg"
- case "$new_inherited_linker_flags " in
- *" $arg "*) ;;
- * ) new_inherited_linker_flags="$new_inherited_linker_flags $arg" ;;
- esac
- continue
- ;;
-
- -multi_module)
- single_module="${wl}-multi_module"
- continue
- ;;
-
- -no-fast-install)
- fast_install=no
- continue
- ;;
-
- -no-install)
- case $host in
- *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin*)
- # The PATH hackery in wrapper scripts is required on Windows
- # and Darwin in order for the loader to find any dlls it needs.
- func_warning "\`-no-install' is ignored for $host"
- func_warning "assuming \`-no-fast-install' instead"
- fast_install=no
- ;;
- *) no_install=yes ;;
- esac
- continue
- ;;
-
- -no-undefined)
- allow_undefined=no
- continue
- ;;
-
- -objectlist)
- prev=objectlist
- continue
- ;;
-
- -o) prev=output ;;
-
- -precious-files-regex)
- prev=precious_regex
- continue
- ;;
-
- -release)
- prev=release
- continue
- ;;
-
- -rpath)
- prev=rpath
- continue
- ;;
-
- -R)
- prev=xrpath
- continue
- ;;
-
- -R*)
- func_stripname '-R' '' "$arg"
- dir=$func_stripname_result
- # We need an absolute path.
- case $dir in
- [\\/]* | [A-Za-z]:[\\/]*) ;;
- *)
- func_fatal_error "only absolute run-paths are allowed"
- ;;
- esac
- case "$xrpath " in
- *" $dir "*) ;;
- *) xrpath="$xrpath $dir" ;;
- esac
- continue
- ;;
-
- -shared)
- # The effects of -shared are defined in a previous loop.
- continue
- ;;
-
- -shrext)
- prev=shrext
- continue
- ;;
-
- -static | -static-libtool-libs)
- # The effects of -static are defined in a previous loop.
- # We used to do the same as -all-static on platforms that
- # didn't have a PIC flag, but the assumption that the effects
- # would be equivalent was wrong. It would break on at least
- # Digital Unix and AIX.
- continue
- ;;
-
- -thread-safe)
- thread_safe=yes
- continue
- ;;
-
- -version-info)
- prev=vinfo
- continue
- ;;
-
- -version-number)
- prev=vinfo
- vinfo_number=yes
- continue
- ;;
-
- -weak)
- prev=weak
- continue
- ;;
-
- -Wc,*)
- func_stripname '-Wc,' '' "$arg"
- args=$func_stripname_result
- arg=
- save_ifs="$IFS"; IFS=','
- for flag in $args; do
- IFS="$save_ifs"
- func_quote_for_eval "$flag"
- arg="$arg $wl$func_quote_for_eval_result"
- compiler_flags="$compiler_flags $func_quote_for_eval_result"
- done
- IFS="$save_ifs"
- func_stripname ' ' '' "$arg"
- arg=$func_stripname_result
- ;;
-
- -Wl,*)
- func_stripname '-Wl,' '' "$arg"
- args=$func_stripname_result
- arg=
- save_ifs="$IFS"; IFS=','
- for flag in $args; do
- IFS="$save_ifs"
- func_quote_for_eval "$flag"
- arg="$arg $wl$func_quote_for_eval_result"
- compiler_flags="$compiler_flags $wl$func_quote_for_eval_result"
- linker_flags="$linker_flags $func_quote_for_eval_result"
- done
- IFS="$save_ifs"
- func_stripname ' ' '' "$arg"
- arg=$func_stripname_result
- ;;
-
- -Xcompiler)
- prev=xcompiler
- continue
- ;;
-
- -Xlinker)
- prev=xlinker
- continue
- ;;
-
- -XCClinker)
- prev=xcclinker
- continue
- ;;
-
- # -msg_* for osf cc
- -msg_*)
- func_quote_for_eval "$arg"
- arg="$func_quote_for_eval_result"
- ;;
-
- # -64, -mips[0-9] enable 64-bit mode on the SGI compiler
- # -r[0-9][0-9]* specifies the processor on the SGI compiler
- # -xarch=*, -xtarget=* enable 64-bit mode on the Sun compiler
- # +DA*, +DD* enable 64-bit mode on the HP compiler
- # -q* pass through compiler args for the IBM compiler
- # -m*, -t[45]*, -txscale* pass through architecture-specific
- # compiler args for GCC
- # -F/path gives path to uninstalled frameworks, gcc on darwin
- # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC
- # @file GCC response files
- -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
- -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*)
- func_quote_for_eval "$arg"
- arg="$func_quote_for_eval_result"
- func_append compile_command " $arg"
- func_append finalize_command " $arg"
- compiler_flags="$compiler_flags $arg"
- continue
- ;;
-
- # Some other compiler flag.
- -* | +*)
- func_quote_for_eval "$arg"
- arg="$func_quote_for_eval_result"
- ;;
-
- *.$objext)
- # A standard object.
- objs="$objs $arg"
- ;;
-
- *.lo)
- # A libtool-controlled object.
-
- # Check to see that this really is a libtool object.
- if func_lalib_unsafe_p "$arg"; then
- pic_object=
- non_pic_object=
-
- # Read the .lo file
- func_source "$arg"
-
- if test -z "$pic_object" ||
- test -z "$non_pic_object" ||
- test "$pic_object" = none &&
- test "$non_pic_object" = none; then
- func_fatal_error "cannot find name of object for \`$arg'"
- fi
-
- # Extract subdirectory from the argument.
- func_dirname "$arg" "/" ""
- xdir="$func_dirname_result"
-
- if test "$pic_object" != none; then
- # Prepend the subdirectory the object is found in.
- pic_object="$xdir$pic_object"
-
- if test "$prev" = dlfiles; then
- if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
- dlfiles="$dlfiles $pic_object"
- prev=
- continue
- else
- # If libtool objects are unsupported, then we need to preload.
- prev=dlprefiles
- fi
- fi
-
- # CHECK ME: I think I busted this. -Ossama
- if test "$prev" = dlprefiles; then
- # Preload the old-style object.
- dlprefiles="$dlprefiles $pic_object"
- prev=
- fi
-
- # A PIC object.
- func_append libobjs " $pic_object"
- arg="$pic_object"
- fi
-
- # Non-PIC object.
- if test "$non_pic_object" != none; then
- # Prepend the subdirectory the object is found in.
- non_pic_object="$xdir$non_pic_object"
-
- # A standard non-PIC object
- func_append non_pic_objects " $non_pic_object"
- if test -z "$pic_object" || test "$pic_object" = none ; then
- arg="$non_pic_object"
- fi
- else
- # If the PIC object exists, use it instead.
- # $xdir was prepended to $pic_object above.
- non_pic_object="$pic_object"
- func_append non_pic_objects " $non_pic_object"
- fi
- else
- # Only an error if not doing a dry-run.
- if $opt_dry_run; then
- # Extract subdirectory from the argument.
- func_dirname "$arg" "/" ""
- xdir="$func_dirname_result"
-
- func_lo2o "$arg"
- pic_object=$xdir$objdir/$func_lo2o_result
- non_pic_object=$xdir$func_lo2o_result
- func_append libobjs " $pic_object"
- func_append non_pic_objects " $non_pic_object"
- else
- func_fatal_error "\`$arg' is not a valid libtool object"
- fi
- fi
- ;;
-
- *.$libext)
- # An archive.
- deplibs="$deplibs $arg"
- old_deplibs="$old_deplibs $arg"
- continue
- ;;
-
- *.la)
- # A libtool-controlled library.
-
- if test "$prev" = dlfiles; then
- # This library was specified with -dlopen.
- dlfiles="$dlfiles $arg"
- prev=
- elif test "$prev" = dlprefiles; then
- # The library was specified with -dlpreopen.
- dlprefiles="$dlprefiles $arg"
- prev=
- else
- deplibs="$deplibs $arg"
- fi
- continue
- ;;
-
- # Some other compiler argument.
- *)
- # Unknown arguments in both finalize_command and compile_command need
- # to be aesthetically quoted because they are evaled later.
- func_quote_for_eval "$arg"
- arg="$func_quote_for_eval_result"
- ;;
- esac # arg
-
- # Now actually substitute the argument into the commands.
- if test -n "$arg"; then
- func_append compile_command " $arg"
- func_append finalize_command " $arg"
- fi
- done # argument parsing loop
-
- test -n "$prev" && \
- func_fatal_help "the \`$prevarg' option requires an argument"
-
- if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
- eval arg=\"$export_dynamic_flag_spec\"
- func_append compile_command " $arg"
- func_append finalize_command " $arg"
- fi
-
- oldlibs=
- # calculate the name of the file, without its directory
- func_basename "$output"
- outputname="$func_basename_result"
- libobjs_save="$libobjs"
-
- if test -n "$shlibpath_var"; then
- # get the directories listed in $shlibpath_var
- eval shlib_search_path=\`\$ECHO \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\`
- else
- shlib_search_path=
- fi
- eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
- eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
-
- func_dirname "$output" "/" ""
- output_objdir="$func_dirname_result$objdir"
- # Create the object directory.
- func_mkdir_p "$output_objdir"
-
- # Determine the type of output
- case $output in
- "")
- func_fatal_help "you must specify an output file"
- ;;
- *.$libext) linkmode=oldlib ;;
- *.lo | *.$objext) linkmode=obj ;;
- *.la) linkmode=lib ;;
- *) linkmode=prog ;; # Anything else should be a program.
- esac
-
- specialdeplibs=
-
- libs=
- # Find all interdependent deplibs by searching for libraries
- # that are linked more than once (e.g. -la -lb -la)
- for deplib in $deplibs; do
- if $opt_duplicate_deps ; then
- case "$libs " in
- *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
- esac
- fi
- libs="$libs $deplib"
- done
-
- if test "$linkmode" = lib; then
- libs="$predeps $libs $compiler_lib_search_path $postdeps"
-
- # Compute libraries that are listed more than once in $predeps
- # $postdeps and mark them as special (i.e., whose duplicates are
- # not to be eliminated).
- pre_post_deps=
- if $opt_duplicate_compiler_generated_deps; then
- for pre_post_dep in $predeps $postdeps; do
- case "$pre_post_deps " in
- *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;;
- esac
- pre_post_deps="$pre_post_deps $pre_post_dep"
- done
- fi
- pre_post_deps=
- fi
-
- deplibs=
- newdependency_libs=
- newlib_search_path=
- need_relink=no # whether we're linking any uninstalled libtool libraries
- notinst_deplibs= # not-installed libtool libraries
- notinst_path= # paths that contain not-installed libtool libraries
-
- case $linkmode in
- lib)
- passes="conv dlpreopen link"
- for file in $dlfiles $dlprefiles; do
- case $file in
- *.la) ;;
- *)
- func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file"
- ;;
- esac
- done
- ;;
- prog)
- compile_deplibs=
- finalize_deplibs=
- alldeplibs=no
- newdlfiles=
- newdlprefiles=
- passes="conv scan dlopen dlpreopen link"
- ;;
- *) passes="conv"
- ;;
- esac
-
- for pass in $passes; do
- # The preopen pass in lib mode reverses $deplibs; put it back here
- # so that -L comes before libs that need it for instance...
- if test "$linkmode,$pass" = "lib,link"; then
- ## FIXME: Find the place where the list is rebuilt in the wrong
- ## order, and fix it there properly
- tmp_deplibs=
- for deplib in $deplibs; do
- tmp_deplibs="$deplib $tmp_deplibs"
- done
- deplibs="$tmp_deplibs"
- fi
-
- if test "$linkmode,$pass" = "lib,link" ||
- test "$linkmode,$pass" = "prog,scan"; then
- libs="$deplibs"
- deplibs=
- fi
- if test "$linkmode" = prog; then
- case $pass in
- dlopen) libs="$dlfiles" ;;
- dlpreopen) libs="$dlprefiles" ;;
- link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
- esac
- fi
- if test "$linkmode,$pass" = "lib,dlpreopen"; then
- # Collect and forward deplibs of preopened libtool libs
- for lib in $dlprefiles; do
- # Ignore non-libtool-libs
- dependency_libs=
- case $lib in
- *.la) func_source "$lib" ;;
- esac
-
- # Collect preopened libtool deplibs, except any this library
- # has declared as weak libs
- for deplib in $dependency_libs; do
- deplib_base=`$ECHO "X$deplib" | $Xsed -e "$basename"`
- case " $weak_libs " in
- *" $deplib_base "*) ;;
- *) deplibs="$deplibs $deplib" ;;
- esac
- done
- done
- libs="$dlprefiles"
- fi
- if test "$pass" = dlopen; then
- # Collect dlpreopened libraries
- save_deplibs="$deplibs"
- deplibs=
- fi
-
- for deplib in $libs; do
- lib=
- found=no
- case $deplib in
- -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
- if test "$linkmode,$pass" = "prog,link"; then
- compile_deplibs="$deplib $compile_deplibs"
- finalize_deplibs="$deplib $finalize_deplibs"
- else
- compiler_flags="$compiler_flags $deplib"
- if test "$linkmode" = lib ; then
- case "$new_inherited_linker_flags " in
- *" $deplib "*) ;;
- * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;;
- esac
- fi
- fi
- continue
- ;;
- -l*)
- if test "$linkmode" != lib && test "$linkmode" != prog; then
- func_warning "\`-l' is ignored for archives/objects"
- continue
- fi
- func_stripname '-l' '' "$deplib"
- name=$func_stripname_result
- if test "$linkmode" = lib; then
- searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
- else
- searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
- fi
- for searchdir in $searchdirs; do
- for search_ext in .la $std_shrext .so .a; do
- # Search the libtool library
- lib="$searchdir/lib${name}${search_ext}"
- if test -f "$lib"; then
- if test "$search_ext" = ".la"; then
- found=yes
- else
- found=no
- fi
- break 2
- fi
- done
- done
- if test "$found" != yes; then
- # deplib doesn't seem to be a libtool library
- if test "$linkmode,$pass" = "prog,link"; then
- compile_deplibs="$deplib $compile_deplibs"
- finalize_deplibs="$deplib $finalize_deplibs"
- else
- deplibs="$deplib $deplibs"
- test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
- fi
- continue
- else # deplib is a libtool library
- # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
- # We need to do some special things here, and not later.
- if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
- case " $predeps $postdeps " in
- *" $deplib "*)
- if func_lalib_p "$lib"; then
- library_names=
- old_library=
- func_source "$lib"
- for l in $old_library $library_names; do
- ll="$l"
- done
- if test "X$ll" = "X$old_library" ; then # only static version available
- found=no
- func_dirname "$lib" "" "."
- ladir="$func_dirname_result"
- lib=$ladir/$old_library
- if test "$linkmode,$pass" = "prog,link"; then
- compile_deplibs="$deplib $compile_deplibs"
- finalize_deplibs="$deplib $finalize_deplibs"
- else
- deplibs="$deplib $deplibs"
- test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
- fi
- continue
- fi
- fi
- ;;
- *) ;;
- esac
- fi
- fi
- ;; # -l
- *.ltframework)
- if test "$linkmode,$pass" = "prog,link"; then
- compile_deplibs="$deplib $compile_deplibs"
- finalize_deplibs="$deplib $finalize_deplibs"
- else
- deplibs="$deplib $deplibs"
- if test "$linkmode" = lib ; then
- case "$new_inherited_linker_flags " in
- *" $deplib "*) ;;
- * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;;
- esac
- fi
- fi
- continue
- ;;
- -L*)
- case $linkmode in
- lib)
- deplibs="$deplib $deplibs"
- test "$pass" = conv && continue
- newdependency_libs="$deplib $newdependency_libs"
- func_stripname '-L' '' "$deplib"
- newlib_search_path="$newlib_search_path $func_stripname_result"
- ;;
- prog)
- if test "$pass" = conv; then
- deplibs="$deplib $deplibs"
- continue
- fi
- if test "$pass" = scan; then
- deplibs="$deplib $deplibs"
- else
- compile_deplibs="$deplib $compile_deplibs"
- finalize_deplibs="$deplib $finalize_deplibs"
- fi
- func_stripname '-L' '' "$deplib"
- newlib_search_path="$newlib_search_path $func_stripname_result"
- ;;
- *)
- func_warning "\`-L' is ignored for archives/objects"
- ;;
- esac # linkmode
- continue
- ;; # -L
- -R*)
- if test "$pass" = link; then
- func_stripname '-R' '' "$deplib"
- dir=$func_stripname_result
- # Make sure the xrpath contains only unique directories.
- case "$xrpath " in
- *" $dir "*) ;;
- *) xrpath="$xrpath $dir" ;;
- esac
- fi
- deplibs="$deplib $deplibs"
- continue
- ;;
- *.la) lib="$deplib" ;;
- *.$libext)
- if test "$pass" = conv; then
- deplibs="$deplib $deplibs"
- continue
- fi
- case $linkmode in
- lib)
- # Linking convenience modules into shared libraries is allowed,
- # but linking other static libraries is non-portable.
- case " $dlpreconveniencelibs " in
- *" $deplib "*) ;;
- *)
- valid_a_lib=no
- case $deplibs_check_method in
- match_pattern*)
- set dummy $deplibs_check_method; shift
- match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
- if eval "\$ECHO \"X$deplib\"" 2>/dev/null | $Xsed -e 10q \
- | $EGREP "$match_pattern_regex" > /dev/null; then
- valid_a_lib=yes
- fi
- ;;
- pass_all)
- valid_a_lib=yes
- ;;
- esac
- if test "$valid_a_lib" != yes; then
- $ECHO
- $ECHO "*** Warning: Trying to link with static lib archive $deplib."
- $ECHO "*** I have the capability to make that library automatically link in when"
- $ECHO "*** you link to this library. But I can only do this if you have a"
- $ECHO "*** shared version of the library, which you do not appear to have"
- $ECHO "*** because the file extensions .$libext of this argument makes me believe"
- $ECHO "*** that it is just a static archive that I should not use here."
- else
- $ECHO
- $ECHO "*** Warning: Linking the shared library $output against the"
- $ECHO "*** static library $deplib is not portable!"
- deplibs="$deplib $deplibs"
- fi
- ;;
- esac
- continue
- ;;
- prog)
- if test "$pass" != link; then
- deplibs="$deplib $deplibs"
- else
- compile_deplibs="$deplib $compile_deplibs"
- finalize_deplibs="$deplib $finalize_deplibs"
- fi
- continue
- ;;
- esac # linkmode
- ;; # *.$libext
- *.lo | *.$objext)
- if test "$pass" = conv; then
- deplibs="$deplib $deplibs"
- elif test "$linkmode" = prog; then
- if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
- # If there is no dlopen support or we're linking statically,
- # we need to preload.
- newdlprefiles="$newdlprefiles $deplib"
- compile_deplibs="$deplib $compile_deplibs"
- finalize_deplibs="$deplib $finalize_deplibs"
- else
- newdlfiles="$newdlfiles $deplib"
- fi
- fi
- continue
- ;;
- %DEPLIBS%)
- alldeplibs=yes
- continue
- ;;
- esac # case $deplib
-
- if test "$found" = yes || test -f "$lib"; then :
- else
- func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'"
- fi
-
- # Check to see that this really is a libtool archive.
- func_lalib_unsafe_p "$lib" \
- || func_fatal_error "\`$lib' is not a valid libtool archive"
-
- func_dirname "$lib" "" "."
- ladir="$func_dirname_result"
-
- dlname=
- dlopen=
- dlpreopen=
- libdir=
- library_names=
- old_library=
- inherited_linker_flags=
- # If the library was installed with an old release of libtool,
- # it will not redefine variables installed, or shouldnotlink
- installed=yes
- shouldnotlink=no
- avoidtemprpath=
-
-
- # Read the .la file
- func_source "$lib"
-
- # Convert "-framework foo" to "foo.ltframework"
- if test -n "$inherited_linker_flags"; then
- tmp_inherited_linker_flags=`$ECHO "X$inherited_linker_flags" | $Xsed -e 's/-framework \([^ $]*\)/\1.ltframework/g'`
- for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do
- case " $new_inherited_linker_flags " in
- *" $tmp_inherited_linker_flag "*) ;;
- *) new_inherited_linker_flags="$new_inherited_linker_flags $tmp_inherited_linker_flag";;
- esac
- done
- fi
- dependency_libs=`$ECHO "X $dependency_libs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
- if test "$linkmode,$pass" = "lib,link" ||
- test "$linkmode,$pass" = "prog,scan" ||
- { test "$linkmode" != prog && test "$linkmode" != lib; }; then
- test -n "$dlopen" && dlfiles="$dlfiles $dlopen"
- test -n "$dlpreopen" && dlprefiles="$dlprefiles $dlpreopen"
- fi
-
- if test "$pass" = conv; then
- # Only check for convenience libraries
- deplibs="$lib $deplibs"
- if test -z "$libdir"; then
- if test -z "$old_library"; then
- func_fatal_error "cannot find name of link library for \`$lib'"
- fi
- # It is a libtool convenience library, so add in its objects.
- convenience="$convenience $ladir/$objdir/$old_library"
- old_convenience="$old_convenience $ladir/$objdir/$old_library"
- elif test "$linkmode" != prog && test "$linkmode" != lib; then
- func_fatal_error "\`$lib' is not a convenience library"
- fi
- tmp_libs=
- for deplib in $dependency_libs; do
- deplibs="$deplib $deplibs"
- if $opt_duplicate_deps ; then
- case "$tmp_libs " in
- *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
- esac
- fi
- tmp_libs="$tmp_libs $deplib"
- done
- continue
- fi # $pass = conv
-
-
- # Get the name of the library we link against.
- linklib=
- for l in $old_library $library_names; do
- linklib="$l"
- done
- if test -z "$linklib"; then
- func_fatal_error "cannot find name of link library for \`$lib'"
- fi
-
- # This library was specified with -dlopen.
- if test "$pass" = dlopen; then
- if test -z "$libdir"; then
- func_fatal_error "cannot -dlopen a convenience library: \`$lib'"
- fi
- if test -z "$dlname" ||
- test "$dlopen_support" != yes ||
- test "$build_libtool_libs" = no; then
- # If there is no dlname, no dlopen support or we're linking
- # statically, we need to preload. We also need to preload any
- # dependent libraries so libltdl's deplib preloader doesn't
- # bomb out in the load deplibs phase.
- dlprefiles="$dlprefiles $lib $dependency_libs"
- else
- newdlfiles="$newdlfiles $lib"
- fi
- continue
- fi # $pass = dlopen
-
- # We need an absolute path.
- case $ladir in
- [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
- *)
- abs_ladir=`cd "$ladir" && pwd`
- if test -z "$abs_ladir"; then
- func_warning "cannot determine absolute directory name of \`$ladir'"
- func_warning "passing it literally to the linker, although it might fail"
- abs_ladir="$ladir"
- fi
- ;;
- esac
- func_basename "$lib"
- laname="$func_basename_result"
-
- # Find the relevant object directory and library name.
- if test "X$installed" = Xyes; then
- if test ! -f "$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
- func_warning "library \`$lib' was moved."
- dir="$ladir"
- absdir="$abs_ladir"
- libdir="$abs_ladir"
- else
- dir="$libdir"
- absdir="$libdir"
- fi
- test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
- else
- if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
- dir="$ladir"
- absdir="$abs_ladir"
- # Remove this search path later
- notinst_path="$notinst_path $abs_ladir"
- else
- dir="$ladir/$objdir"
- absdir="$abs_ladir/$objdir"
- # Remove this search path later
- notinst_path="$notinst_path $abs_ladir"
- fi
- fi # $installed = yes
- func_stripname 'lib' '.la' "$laname"
- name=$func_stripname_result
-
- # This library was specified with -dlpreopen.
- if test "$pass" = dlpreopen; then
- if test -z "$libdir" && test "$linkmode" = prog; then
- func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'"
- fi
- # Prefer using a static library (so that no silly _DYNAMIC symbols
- # are required to link).
- if test -n "$old_library"; then
- newdlprefiles="$newdlprefiles $dir/$old_library"
- # Keep a list of preopened convenience libraries to check
- # that they are being used correctly in the link pass.
- test -z "$libdir" && \
- dlpreconveniencelibs="$dlpreconveniencelibs $dir/$old_library"
- # Otherwise, use the dlname, so that lt_dlopen finds it.
- elif test -n "$dlname"; then
- newdlprefiles="$newdlprefiles $dir/$dlname"
- else
- newdlprefiles="$newdlprefiles $dir/$linklib"
- fi
- fi # $pass = dlpreopen
-
- if test -z "$libdir"; then
- # Link the convenience library
- if test "$linkmode" = lib; then
- deplibs="$dir/$old_library $deplibs"
- elif test "$linkmode,$pass" = "prog,link"; then
- compile_deplibs="$dir/$old_library $compile_deplibs"
- finalize_deplibs="$dir/$old_library $finalize_deplibs"
- else
- deplibs="$lib $deplibs" # used for prog,scan pass
- fi
- continue
- fi
-
-
- if test "$linkmode" = prog && test "$pass" != link; then
- newlib_search_path="$newlib_search_path $ladir"
- deplibs="$lib $deplibs"
-
- linkalldeplibs=no
- if test "$link_all_deplibs" != no || test -z "$library_names" ||
- test "$build_libtool_libs" = no; then
- linkalldeplibs=yes
- fi
-
- tmp_libs=
- for deplib in $dependency_libs; do
- case $deplib in
- -L*) func_stripname '-L' '' "$deplib"
- newlib_search_path="$newlib_search_path $func_stripname_result"
- ;;
- esac
- # Need to link against all dependency_libs?
- if test "$linkalldeplibs" = yes; then
- deplibs="$deplib $deplibs"
- else
- # Need to hardcode shared library paths
- # or/and link against static libraries
- newdependency_libs="$deplib $newdependency_libs"
- fi
- if $opt_duplicate_deps ; then
- case "$tmp_libs " in
- *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
- esac
- fi
- tmp_libs="$tmp_libs $deplib"
- done # for deplib
- continue
- fi # $linkmode = prog...
-
- if test "$linkmode,$pass" = "prog,link"; then
- if test -n "$library_names" &&
- { { test "$prefer_static_libs" = no ||
- test "$prefer_static_libs,$installed" = "built,yes"; } ||
- test -z "$old_library"; }; then
- # We need to hardcode the library path
- if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
- # Make sure the rpath contains only unique directories.
- case "$temp_rpath:" in
- *"$absdir:"*) ;;
- *) temp_rpath="$temp_rpath$absdir:" ;;
- esac
- fi
-
- # Hardcode the library path.
- # Skip directories that are in the system default run-time
- # search path.
- case " $sys_lib_dlsearch_path " in
- *" $absdir "*) ;;
- *)
- case "$compile_rpath " in
- *" $absdir "*) ;;
- *) compile_rpath="$compile_rpath $absdir"
- esac
- ;;
- esac
- case " $sys_lib_dlsearch_path " in
- *" $libdir "*) ;;
- *)
- case "$finalize_rpath " in
- *" $libdir "*) ;;
- *) finalize_rpath="$finalize_rpath $libdir"
- esac
- ;;
- esac
- fi # $linkmode,$pass = prog,link...
-
- if test "$alldeplibs" = yes &&
- { test "$deplibs_check_method" = pass_all ||
- { test "$build_libtool_libs" = yes &&
- test -n "$library_names"; }; }; then
- # We only need to search for static libraries
- continue
- fi
- fi
-
- link_static=no # Whether the deplib will be linked statically
- use_static_libs=$prefer_static_libs
- if test "$use_static_libs" = built && test "$installed" = yes; then
- use_static_libs=no
- fi
- if test -n "$library_names" &&
- { test "$use_static_libs" = no || test -z "$old_library"; }; then
- case $host in
- *cygwin* | *mingw*)
- # No point in relinking DLLs because paths are not encoded
- notinst_deplibs="$notinst_deplibs $lib"
- need_relink=no
- ;;
- *)
- if test "$installed" = no; then
- notinst_deplibs="$notinst_deplibs $lib"
- need_relink=yes
- fi
- ;;
- esac
- # This is a shared library
-
- # Warn about portability, can't link against -module's on some
- # systems (darwin). Don't bleat about dlopened modules though!
- dlopenmodule=""
- for dlpremoduletest in $dlprefiles; do
- if test "X$dlpremoduletest" = "X$lib"; then
- dlopenmodule="$dlpremoduletest"
- break
- fi
- done
- if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then
- $ECHO
- if test "$linkmode" = prog; then
- $ECHO "*** Warning: Linking the executable $output against the loadable module"
- else
- $ECHO "*** Warning: Linking the shared library $output against the loadable module"
- fi
- $ECHO "*** $linklib is not portable!"
- fi
- if test "$linkmode" = lib &&
- test "$hardcode_into_libs" = yes; then
- # Hardcode the library path.
- # Skip directories that are in the system default run-time
- # search path.
- case " $sys_lib_dlsearch_path " in
- *" $absdir "*) ;;
- *)
- case "$compile_rpath " in
- *" $absdir "*) ;;
- *) compile_rpath="$compile_rpath $absdir"
- esac
- ;;
- esac
- case " $sys_lib_dlsearch_path " in
- *" $libdir "*) ;;
- *)
- case "$finalize_rpath " in
- *" $libdir "*) ;;
- *) finalize_rpath="$finalize_rpath $libdir"
- esac
- ;;
- esac
- fi
-
- if test -n "$old_archive_from_expsyms_cmds"; then
- # figure out the soname
- set dummy $library_names
- shift
- realname="$1"
- shift
- libname=`eval "\\$ECHO \"$libname_spec\""`
- # use dlname if we got it. it's perfectly good, no?
- if test -n "$dlname"; then
- soname="$dlname"
- elif test -n "$soname_spec"; then
- # bleh windows
- case $host in
- *cygwin* | mingw*)
- func_arith $current - $age
- major=$func_arith_result
- versuffix="-$major"
- ;;
- esac
- eval soname=\"$soname_spec\"
- else
- soname="$realname"
- fi
-
- # Make a new name for the extract_expsyms_cmds to use
- soroot="$soname"
- func_basename "$soroot"
- soname="$func_basename_result"
- func_stripname 'lib' '.dll' "$soname"
- newlib=libimp-$func_stripname_result.a
-
- # If the library has no export list, then create one now
- if test -f "$output_objdir/$soname-def"; then :
- else
- func_verbose "extracting exported symbol list from \`$soname'"
- func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
- fi
-
- # Create $newlib
- if test -f "$output_objdir/$newlib"; then :; else
- func_verbose "generating import library for \`$soname'"
- func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
- fi
- # make sure the library variables are pointing to the new library
- dir=$output_objdir
- linklib=$newlib
- fi # test -n "$old_archive_from_expsyms_cmds"
-
- if test "$linkmode" = prog || test "$mode" != relink; then
- add_shlibpath=
- add_dir=
- add=
- lib_linked=yes
- case $hardcode_action in
- immediate | unsupported)
- if test "$hardcode_direct" = no; then
- add="$dir/$linklib"
- case $host in
- *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
- *-*-sysv4*uw2*) add_dir="-L$dir" ;;
- *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
- *-*-unixware7*) add_dir="-L$dir" ;;
- *-*-darwin* )
- # if the lib is a (non-dlopened) module then we can not
- # link against it, someone is ignoring the earlier warnings
- if /usr/bin/file -L $add 2> /dev/null |
- $GREP ": [^:]* bundle" >/dev/null ; then
- if test "X$dlopenmodule" != "X$lib"; then
- $ECHO "*** Warning: lib $linklib is a module, not a shared library"
- if test -z "$old_library" ; then
- $ECHO
- $ECHO "*** And there doesn't seem to be a static archive available"
- $ECHO "*** The link will probably fail, sorry"
- else
- add="$dir/$old_library"
- fi
- elif test -n "$old_library"; then
- add="$dir/$old_library"
- fi
- fi
- esac
- elif test "$hardcode_minus_L" = no; then
- case $host in
- *-*-sunos*) add_shlibpath="$dir" ;;
- esac
- add_dir="-L$dir"
- add="-l$name"
- elif test "$hardcode_shlibpath_var" = no; then
- add_shlibpath="$dir"
- add="-l$name"
- else
- lib_linked=no
- fi
- ;;
- relink)
- if test "$hardcode_direct" = yes &&
- test "$hardcode_direct_absolute" = no; then
- add="$dir/$linklib"
- elif test "$hardcode_minus_L" = yes; then
- add_dir="-L$dir"
- # Try looking first in the location we're being installed to.
- if test -n "$inst_prefix_dir"; then
- case $libdir in
- [\\/]*)
- add_dir="$add_dir -L$inst_prefix_dir$libdir"
- ;;
- esac
- fi
- add="-l$name"
- elif test "$hardcode_shlibpath_var" = yes; then
- add_shlibpath="$dir"
- add="-l$name"
- else
- lib_linked=no
- fi
- ;;
- *) lib_linked=no ;;
- esac
-
- if test "$lib_linked" != yes; then
- func_fatal_configuration "unsupported hardcode properties"
- fi
-
- if test -n "$add_shlibpath"; then
- case :$compile_shlibpath: in
- *":$add_shlibpath:"*) ;;
- *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;;
- esac
- fi
- if test "$linkmode" = prog; then
- test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
- test -n "$add" && compile_deplibs="$add $compile_deplibs"
- else
- test -n "$add_dir" && deplibs="$add_dir $deplibs"
- test -n "$add" && deplibs="$add $deplibs"
- if test "$hardcode_direct" != yes &&
- test "$hardcode_minus_L" != yes &&
- test "$hardcode_shlibpath_var" = yes; then
- case :$finalize_shlibpath: in
- *":$libdir:"*) ;;
- *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;;
- esac
- fi
- fi
- fi
-
- if test "$linkmode" = prog || test "$mode" = relink; then
- add_shlibpath=
- add_dir=
- add=
- # Finalize command for both is simple: just hardcode it.
- if test "$hardcode_direct" = yes &&
- test "$hardcode_direct_absolute" = no; then
- add="$libdir/$linklib"
- elif test "$hardcode_minus_L" = yes; then
- add_dir="-L$libdir"
- add="-l$name"
- elif test "$hardcode_shlibpath_var" = yes; then
- case :$finalize_shlibpath: in
- *":$libdir:"*) ;;
- *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;;
- esac
- add="-l$name"
- elif test "$hardcode_automatic" = yes; then
- if test -n "$inst_prefix_dir" &&
- test -f "$inst_prefix_dir$libdir/$linklib" ; then
- add="$inst_prefix_dir$libdir/$linklib"
- else
- add="$libdir/$linklib"
- fi
- else
- # We cannot seem to hardcode it, guess we'll fake it.
- add_dir="-L$libdir"
- # Try looking first in the location we're being installed to.
- if test -n "$inst_prefix_dir"; then
- case $libdir in
- [\\/]*)
- add_dir="$add_dir -L$inst_prefix_dir$libdir"
- ;;
- esac
- fi
- add="-l$name"
- fi
-
- if test "$linkmode" = prog; then
- test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
- test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
- else
- test -n "$add_dir" && deplibs="$add_dir $deplibs"
- test -n "$add" && deplibs="$add $deplibs"
- fi
- fi
- elif test "$linkmode" = prog; then
- # Here we assume that one of hardcode_direct or hardcode_minus_L
- # is not unsupported. This is valid on all known static and
- # shared platforms.
- if test "$hardcode_direct" != unsupported; then
- test -n "$old_library" && linklib="$old_library"
- compile_deplibs="$dir/$linklib $compile_deplibs"
- finalize_deplibs="$dir/$linklib $finalize_deplibs"
- else
- compile_deplibs="-l$name -L$dir $compile_deplibs"
- finalize_deplibs="-l$name -L$dir $finalize_deplibs"
- fi
- elif test "$build_libtool_libs" = yes; then
- # Not a shared library
- if test "$deplibs_check_method" != pass_all; then
- # We're trying link a shared library against a static one
- # but the system doesn't support it.
-
- # Just print a warning and add the library to dependency_libs so
- # that the program can be linked against the static library.
- $ECHO
- $ECHO "*** Warning: This system can not link to static lib archive $lib."
- $ECHO "*** I have the capability to make that library automatically link in when"
- $ECHO "*** you link to this library. But I can only do this if you have a"
- $ECHO "*** shared version of the library, which you do not appear to have."
- if test "$module" = yes; then
- $ECHO "*** But as you try to build a module library, libtool will still create "
- $ECHO "*** a static module, that should work as long as the dlopening application"
- $ECHO "*** is linked with the -dlopen flag to resolve symbols at runtime."
- if test -z "$global_symbol_pipe"; then
- $ECHO
- $ECHO "*** However, this would only work if libtool was able to extract symbol"
- $ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could"
- $ECHO "*** not find such a program. So, this module is probably useless."
- $ECHO "*** \`nm' from GNU binutils and a full rebuild may help."
- fi
- if test "$build_old_libs" = no; then
- build_libtool_libs=module
- build_old_libs=yes
- else
- build_libtool_libs=no
- fi
- fi
- else
- deplibs="$dir/$old_library $deplibs"
- link_static=yes
- fi
- fi # link shared/static library?
-
- if test "$linkmode" = lib; then
- if test -n "$dependency_libs" &&
- { test "$hardcode_into_libs" != yes ||
- test "$build_old_libs" = yes ||
- test "$link_static" = yes; }; then
- # Extract -R from dependency_libs
- temp_deplibs=
- for libdir in $dependency_libs; do
- case $libdir in
- -R*) func_stripname '-R' '' "$libdir"
- temp_xrpath=$func_stripname_result
- case " $xrpath " in
- *" $temp_xrpath "*) ;;
- *) xrpath="$xrpath $temp_xrpath";;
- esac;;
- *) temp_deplibs="$temp_deplibs $libdir";;
- esac
- done
- dependency_libs="$temp_deplibs"
- fi
-
- newlib_search_path="$newlib_search_path $absdir"
- # Link against this library
- test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
- # ... and its dependency_libs
- tmp_libs=
- for deplib in $dependency_libs; do
- newdependency_libs="$deplib $newdependency_libs"
- if $opt_duplicate_deps ; then
- case "$tmp_libs " in
- *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
- esac
- fi
- tmp_libs="$tmp_libs $deplib"
- done
-
- if test "$link_all_deplibs" != no; then
- # Add the search paths of all dependency libraries
- for deplib in $dependency_libs; do
- case $deplib in
- -L*) path="$deplib" ;;
- *.la)
- func_dirname "$deplib" "" "."
- dir="$func_dirname_result"
- # We need an absolute path.
- case $dir in
- [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
- *)
- absdir=`cd "$dir" && pwd`
- if test -z "$absdir"; then
- func_warning "cannot determine absolute directory name of \`$dir'"
- absdir="$dir"
- fi
- ;;
- esac
- if $GREP "^installed=no" $deplib > /dev/null; then
- case $host in
- *-*-darwin*)
- depdepl=
- eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
- if test -n "$deplibrary_names" ; then
- for tmp in $deplibrary_names ; do
- depdepl=$tmp
- done
- if test -f "$absdir/$objdir/$depdepl" ; then
- depdepl="$absdir/$objdir/$depdepl"
- darwin_install_name=`otool -L $depdepl | $SED -n -e '3q;2,2p' | $SED -e 's/(.*//'`
- darwin_install_name=`$ECHO $darwin_install_name`
- if test -z "$darwin_install_name"; then
- darwin_install_name=`otool64 -L $depdepl | $SED -n -e '3q;2,2p' | $SED -e 's/(.*//'`
- darwin_install_name=`$ECHO $darwin_install_name`
- fi
- compiler_flags="$compiler_flags ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}"
- linker_flags="$linker_flags -dylib_file ${darwin_install_name}:${depdepl}"
- path=
- fi
- fi
- ;;
- *)
- path="-L$absdir/$objdir"
- ;;
- esac
- else
- eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
- test -z "$libdir" && \
- func_fatal_error "\`$deplib' is not a valid libtool archive"
- test "$absdir" != "$libdir" && \
- func_warning "\`$deplib' seems to be moved"
-
- path="-L$absdir"
- fi
- ;;
- esac
- case " $deplibs " in
- *" $path "*) ;;
- *) deplibs="$path $deplibs" ;;
- esac
- done
- fi # link_all_deplibs != no
- fi # linkmode = lib
- done # for deplib in $libs
- if test "$pass" = link; then
- if test "$linkmode" = "prog"; then
- compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
- finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
- else
- compiler_flags="$compiler_flags "`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
- fi
- fi
- dependency_libs="$newdependency_libs"
- if test "$pass" = dlpreopen; then
- # Link the dlpreopened libraries before other libraries
- for deplib in $save_deplibs; do
- deplibs="$deplib $deplibs"
- done
- fi
- if test "$pass" != dlopen; then
- if test "$pass" != conv; then
- # Make sure lib_search_path contains only unique directories.
- lib_search_path=
- for dir in $newlib_search_path; do
- case "$lib_search_path " in
- *" $dir "*) ;;
- *) lib_search_path="$lib_search_path $dir" ;;
- esac
- done
- newlib_search_path=
- fi
-
- if test "$linkmode,$pass" != "prog,link"; then
- vars="deplibs"
- else
- vars="compile_deplibs finalize_deplibs"
- fi
- for var in $vars dependency_libs; do
- # Add libraries to $var in reverse order
- eval tmp_libs=\"\$$var\"
- new_libs=
- for deplib in $tmp_libs; do
- # FIXME: Pedantically, this is the right thing to do, so
- # that some nasty dependency loop isn't accidentally
- # broken:
- #new_libs="$deplib $new_libs"
- # Pragmatically, this seems to cause very few problems in
- # practice:
- case $deplib in
- -L*) new_libs="$deplib $new_libs" ;;
- -R*) ;;
- *)
- # And here is the reason: when a library appears more
- # than once as an explicit dependence of a library, or
- # is implicitly linked in more than once by the
- # compiler, it is considered special, and multiple
- # occurrences thereof are not removed. Compare this
- # with having the same library being listed as a
- # dependency of multiple other libraries: in this case,
- # we know (pedantically, we assume) the library does not
- # need to be listed more than once, so we keep only the
- # last copy. This is not always right, but it is rare
- # enough that we require users that really mean to play
- # such unportable linking tricks to link the library
- # using -Wl,-lname, so that libtool does not consider it
- # for duplicate removal.
- case " $specialdeplibs " in
- *" $deplib "*) new_libs="$deplib $new_libs" ;;
- *)
- case " $new_libs " in
- *" $deplib "*) ;;
- *) new_libs="$deplib $new_libs" ;;
- esac
- ;;
- esac
- ;;
- esac
- done
- tmp_libs=
- for deplib in $new_libs; do
- case $deplib in
- -L*)
- case " $tmp_libs " in
- *" $deplib "*) ;;
- *) tmp_libs="$tmp_libs $deplib" ;;
- esac
- ;;
- *) tmp_libs="$tmp_libs $deplib" ;;
- esac
- done
- eval $var=\"$tmp_libs\"
- done # for var
- fi
- # Last step: remove runtime libs from dependency_libs
- # (they stay in deplibs)
- tmp_libs=
- for i in $dependency_libs ; do
- case " $predeps $postdeps $compiler_lib_search_path " in
- *" $i "*)
- i=""
- ;;
- esac
- if test -n "$i" ; then
- tmp_libs="$tmp_libs $i"
- fi
- done
- dependency_libs=$tmp_libs
- done # for pass
- if test "$linkmode" = prog; then
- dlfiles="$newdlfiles"
- fi
- if test "$linkmode" = prog || test "$linkmode" = lib; then
- dlprefiles="$newdlprefiles"
- fi
-
- case $linkmode in
- oldlib)
- if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
- func_warning "\`-dlopen' is ignored for archives"
- fi
-
- case " $deplibs" in
- *\ -l* | *\ -L*)
- func_warning "\`-l' and \`-L' are ignored for archives" ;;
- esac
-
- test -n "$rpath" && \
- func_warning "\`-rpath' is ignored for archives"
-
- test -n "$xrpath" && \
- func_warning "\`-R' is ignored for archives"
-
- test -n "$vinfo" && \
- func_warning "\`-version-info/-version-number' is ignored for archives"
-
- test -n "$release" && \
- func_warning "\`-release' is ignored for archives"
-
- test -n "$export_symbols$export_symbols_regex" && \
- func_warning "\`-export-symbols' is ignored for archives"
-
- # Now set the variables for building old libraries.
- build_libtool_libs=no
- oldlibs="$output"
- objs="$objs$old_deplibs"
- ;;
-
- lib)
- # Make sure we only generate libraries of the form `libNAME.la'.
- case $outputname in
- lib*)
- func_stripname 'lib' '.la' "$outputname"
- name=$func_stripname_result
- eval shared_ext=\"$shrext_cmds\"
- eval libname=\"$libname_spec\"
- ;;
- *)
- test "$module" = no && \
- func_fatal_help "libtool library \`$output' must begin with \`lib'"
-
- if test "$need_lib_prefix" != no; then
- # Add the "lib" prefix for modules if required
- func_stripname '' '.la' "$outputname"
- name=$func_stripname_result
- eval shared_ext=\"$shrext_cmds\"
- eval libname=\"$libname_spec\"
- else
- func_stripname '' '.la' "$outputname"
- libname=$func_stripname_result
- fi
- ;;
- esac
-
- if test -n "$objs"; then
- if test "$deplibs_check_method" != pass_all; then
- func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs"
- else
- $ECHO
- $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
- $ECHO "*** objects $objs is not portable!"
- libobjs="$libobjs $objs"
- fi
- fi
-
- test "$dlself" != no && \
- func_warning "\`-dlopen self' is ignored for libtool libraries"
-
- set dummy $rpath
- shift
- test "$#" -gt 1 && \
- func_warning "ignoring multiple \`-rpath's for a libtool library"
-
- install_libdir="$1"
-
- oldlibs=
- if test -z "$rpath"; then
- if test "$build_libtool_libs" = yes; then
- # Building a libtool convenience library.
- # Some compilers have problems with a `.al' extension so
- # convenience libraries should have the same extension an
- # archive normally would.
- oldlibs="$output_objdir/$libname.$libext $oldlibs"
- build_libtool_libs=convenience
- build_old_libs=yes
- fi
-
- test -n "$vinfo" && \
- func_warning "\`-version-info/-version-number' is ignored for convenience libraries"
-
- test -n "$release" && \
- func_warning "\`-release' is ignored for convenience libraries"
- else
-
- # Parse the version information argument.
- save_ifs="$IFS"; IFS=':'
- set dummy $vinfo 0 0 0
- shift
- IFS="$save_ifs"
-
- test -n "$7" && \
- func_fatal_help "too many parameters to \`-version-info'"
-
- # convert absolute version numbers to libtool ages
- # this retains compatibility with .la files and attempts
- # to make the code below a bit more comprehensible
-
- case $vinfo_number in
- yes)
- number_major="$1"
- number_minor="$2"
- number_revision="$3"
- #
- # There are really only two kinds -- those that
- # use the current revision as the major version
- # and those that subtract age and use age as
- # a minor version. But, then there is irix
- # which has an extra 1 added just for fun
- #
- case $version_type in
- darwin|linux|osf|windows|none)
- func_arith $number_major + $number_minor
- current=$func_arith_result
- age="$number_minor"
- revision="$number_revision"
- ;;
- freebsd-aout|freebsd-elf|sunos)
- current="$number_major"
- revision="$number_minor"
- age="0"
- ;;
- irix|nonstopux)
- func_arith $number_major + $number_minor
- current=$func_arith_result
- age="$number_minor"
- revision="$number_minor"
- lt_irix_increment=no
- ;;
- esac
- ;;
- no)
- current="$1"
- revision="$2"
- age="$3"
- ;;
- esac
-
- # Check that each of the things are valid numbers.
- case $current in
- 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
- *)
- func_error "CURRENT \`$current' must be a nonnegative integer"
- func_fatal_error "\`$vinfo' is not valid version information"
- ;;
- esac
-
- case $revision in
- 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
- *)
- func_error "REVISION \`$revision' must be a nonnegative integer"
- func_fatal_error "\`$vinfo' is not valid version information"
- ;;
- esac
-
- case $age in
- 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
- *)
- func_error "AGE \`$age' must be a nonnegative integer"
- func_fatal_error "\`$vinfo' is not valid version information"
- ;;
- esac
-
- if test "$age" -gt "$current"; then
- func_error "AGE \`$age' is greater than the current interface number \`$current'"
- func_fatal_error "\`$vinfo' is not valid version information"
- fi
-
- # Calculate the version variables.
- major=
- versuffix=
- verstring=
- case $version_type in
- none) ;;
-
- darwin)
- # Like Linux, but with the current version available in
- # verstring for coding it into the library header
- func_arith $current - $age
- major=.$func_arith_result
- versuffix="$major.$age.$revision"
- # Darwin ld doesn't like 0 for these options...
- func_arith $current + 1
- minor_current=$func_arith_result
- xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
- verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
- ;;
-
- freebsd-aout)
- major=".$current"
- versuffix=".$current.$revision";
- ;;
-
- freebsd-elf)
- major=".$current"
- versuffix=".$current"
- ;;
-
- irix | nonstopux)
- if test "X$lt_irix_increment" = "Xno"; then
- func_arith $current - $age
- else
- func_arith $current - $age + 1
- fi
- major=$func_arith_result
-
- case $version_type in
- nonstopux) verstring_prefix=nonstopux ;;
- *) verstring_prefix=sgi ;;
- esac
- verstring="$verstring_prefix$major.$revision"
-
- # Add in all the interfaces that we are compatible with.
- loop=$revision
- while test "$loop" -ne 0; do
- func_arith $revision - $loop
- iface=$func_arith_result
- func_arith $loop - 1
- loop=$func_arith_result
- verstring="$verstring_prefix$major.$iface:$verstring"
- done
-
- # Before this point, $major must not contain `.'.
- major=.$major
- versuffix="$major.$revision"
- ;;
-
- linux)
- func_arith $current - $age
- major=.$func_arith_result
- versuffix="$major.$age.$revision"
- ;;
-
- osf)
- func_arith $current - $age
- major=.$func_arith_result
- versuffix=".$current.$age.$revision"
- verstring="$current.$age.$revision"
-
- # Add in all the interfaces that we are compatible with.
- loop=$age
- while test "$loop" -ne 0; do
- func_arith $current - $loop
- iface=$func_arith_result
- func_arith $loop - 1
- loop=$func_arith_result
- verstring="$verstring:${iface}.0"
- done
-
- # Make executables depend on our current version.
- verstring="$verstring:${current}.0"
- ;;
-
- qnx)
- major=".$current"
- versuffix=".$current"
- ;;
-
- sunos)
- major=".$current"
- versuffix=".$current.$revision"
- ;;
-
- windows)
- # Use '-' rather than '.', since we only want one
- # extension on DOS 8.3 filesystems.
- func_arith $current - $age
- major=$func_arith_result
- versuffix="-$major"
- ;;
-
- *)
- func_fatal_configuration "unknown library version type \`$version_type'"
- ;;
- esac
-
- # Clear the version info if we defaulted, and they specified a release.
- if test -z "$vinfo" && test -n "$release"; then
- major=
- case $version_type in
- darwin)
- # we can't check for "0.0" in archive_cmds due to quoting
- # problems, so we reset it completely
- verstring=
- ;;
- *)
- verstring="0.0"
- ;;
- esac
- if test "$need_version" = no; then
- versuffix=
- else
- versuffix=".0.0"
- fi
- fi
-
- # Remove version info from name if versioning should be avoided
- if test "$avoid_version" = yes && test "$need_version" = no; then
- major=
- versuffix=
- verstring=""
- fi
-
- # Check to see if the archive will have undefined symbols.
- if test "$allow_undefined" = yes; then
- if test "$allow_undefined_flag" = unsupported; then
- func_warning "undefined symbols not allowed in $host shared libraries"
- build_libtool_libs=no
- build_old_libs=yes
- fi
- else
- # Don't allow undefined symbols.
- allow_undefined_flag="$no_undefined_flag"
- fi
-
- fi
-
- func_generate_dlsyms "$libname" "$libname" "yes"
- libobjs="$libobjs $symfileobj"
- test "X$libobjs" = "X " && libobjs=
-
- if test "$mode" != relink; then
- # Remove our outputs, but don't remove object files since they
- # may have been created when compiling PIC objects.
- removelist=
- tempremovelist=`$ECHO "$output_objdir/*"`
- for p in $tempremovelist; do
- case $p in
- *.$objext)
- ;;
- $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
- if test "X$precious_files_regex" != "X"; then
- if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
- then
- continue
- fi
- fi
- removelist="$removelist $p"
- ;;
- *) ;;
- esac
- done
- test -n "$removelist" && \
- func_show_eval "${RM}r \$removelist"
- fi
-
- # Now set the variables for building old libraries.
- if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
- oldlibs="$oldlibs $output_objdir/$libname.$libext"
-
- # Transform .lo files to .o files.
- oldobjs="$objs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}'$/d' -e "$lo2o" | $NL2SP`
- fi
-
- # Eliminate all temporary directories.
- #for path in $notinst_path; do
- # lib_search_path=`$ECHO "X$lib_search_path " | $Xsed -e "s% $path % %g"`
- # deplibs=`$ECHO "X$deplibs " | $Xsed -e "s% -L$path % %g"`
- # dependency_libs=`$ECHO "X$dependency_libs " | $Xsed -e "s% -L$path % %g"`
- #done
-
- if test -n "$xrpath"; then
- # If the user specified any rpath flags, then add them.
- temp_xrpath=
- for libdir in $xrpath; do
- temp_xrpath="$temp_xrpath -R$libdir"
- case "$finalize_rpath " in
- *" $libdir "*) ;;
- *) finalize_rpath="$finalize_rpath $libdir" ;;
- esac
- done
- if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
- dependency_libs="$temp_xrpath $dependency_libs"
- fi
- fi
-
- # Make sure dlfiles contains only unique files that won't be dlpreopened
- old_dlfiles="$dlfiles"
- dlfiles=
- for lib in $old_dlfiles; do
- case " $dlprefiles $dlfiles " in
- *" $lib "*) ;;
- *) dlfiles="$dlfiles $lib" ;;
- esac
- done
-
- # Make sure dlprefiles contains only unique files
- old_dlprefiles="$dlprefiles"
- dlprefiles=
- for lib in $old_dlprefiles; do
- case "$dlprefiles " in
- *" $lib "*) ;;
- *) dlprefiles="$dlprefiles $lib" ;;
- esac
- done
-
- if test "$build_libtool_libs" = yes; then
- if test -n "$rpath"; then
- case $host in
- *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos*)
- # these systems don't actually have a c library (as such)!
- ;;
- *-*-rhapsody* | *-*-darwin1.[012])
- # Rhapsody C library is in the System framework
- deplibs="$deplibs System.ltframework"
- ;;
- *-*-netbsd*)
- # Don't link with libc until the a.out ld.so is fixed.
- ;;
- *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
- # Do not include libc due to us having libc/libc_r.
- ;;
- *-*-sco3.2v5* | *-*-sco5v6*)
- # Causes problems with __ctype
- ;;
- *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
- # Compiler inserts libc in the correct place for threads to work
- ;;
- *)
- # Add libc to deplibs on all other systems if necessary.
- if test "$build_libtool_need_lc" = "yes"; then
- deplibs="$deplibs -lc"
- fi
- ;;
- esac
- fi
-
- # Transform deplibs into only deplibs that can be linked in shared.
- name_save=$name
- libname_save=$libname
- release_save=$release
- versuffix_save=$versuffix
- major_save=$major
- # I'm not sure if I'm treating the release correctly. I think
- # release should show up in the -l (ie -lgmp5) so we don't want to
- # add it in twice. Is that correct?
- release=""
- versuffix=""
- major=""
- newdeplibs=
- droppeddeps=no
- case $deplibs_check_method in
- pass_all)
- # Don't check for shared/static. Everything works.
- # This might be a little naive. We might want to check
- # whether the library exists or not. But this is on
- # osf3 & osf4 and I'm not really sure... Just
- # implementing what was already the behavior.
- newdeplibs=$deplibs
- ;;
- test_compile)
- # This code stresses the "libraries are programs" paradigm to its
- # limits. Maybe even breaks it. We compile a program, linking it
- # against the deplibs as a proxy for the library. Then we can check
- # whether they linked in statically or dynamically with ldd.
- $opt_dry_run || $RM conftest.c
- cat > conftest.c <<EOF
- int main() { return 0; }
-EOF
- $opt_dry_run || $RM conftest
- if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
- ldd_output=`ldd conftest`
- for i in $deplibs; do
- case $i in
- -l*)
- func_stripname -l '' "$i"
- name=$func_stripname_result
- if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
- case " $predeps $postdeps " in
- *" $i "*)
- newdeplibs="$newdeplibs $i"
- i=""
- ;;
- esac
- fi
- if test -n "$i" ; then
- libname=`eval "\\$ECHO \"$libname_spec\""`
- deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
- set dummy $deplib_matches; shift
- deplib_match=$1
- if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
- newdeplibs="$newdeplibs $i"
- else
- droppeddeps=yes
- $ECHO
- $ECHO "*** Warning: dynamic linker does not accept needed library $i."
- $ECHO "*** I have the capability to make that library automatically link in when"
- $ECHO "*** you link to this library. But I can only do this if you have a"
- $ECHO "*** shared version of the library, which I believe you do not have"
- $ECHO "*** because a test_compile did reveal that the linker did not use it for"
- $ECHO "*** its dynamic dependency list that programs get resolved with at runtime."
- fi
- fi
- ;;
- *)
- newdeplibs="$newdeplibs $i"
- ;;
- esac
- done
- else
- # Error occurred in the first compile. Let's try to salvage
- # the situation: Compile a separate program for each library.
- for i in $deplibs; do
- case $i in
- -l*)
- func_stripname -l '' "$i"
- name=$func_stripname_result
- $opt_dry_run || $RM conftest
- if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
- ldd_output=`ldd conftest`
- if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
- case " $predeps $postdeps " in
- *" $i "*)
- newdeplibs="$newdeplibs $i"
- i=""
- ;;
- esac
- fi
- if test -n "$i" ; then
- libname=`eval "\\$ECHO \"$libname_spec\""`
- deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
- set dummy $deplib_matches; shift
- deplib_match=$1
- if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
- newdeplibs="$newdeplibs $i"
- else
- droppeddeps=yes
- $ECHO
- $ECHO "*** Warning: dynamic linker does not accept needed library $i."
- $ECHO "*** I have the capability to make that library automatically link in when"
- $ECHO "*** you link to this library. But I can only do this if you have a"
- $ECHO "*** shared version of the library, which you do not appear to have"
- $ECHO "*** because a test_compile did reveal that the linker did not use this one"
- $ECHO "*** as a dynamic dependency that programs can get resolved with at runtime."
- fi
- fi
- else
- droppeddeps=yes
- $ECHO
- $ECHO "*** Warning! Library $i is needed by this library but I was not able to"
- $ECHO "*** make it link in! You will probably need to install it or some"
- $ECHO "*** library that it depends on before this library will be fully"
- $ECHO "*** functional. Installing it before continuing would be even better."
- fi
- ;;
- *)
- newdeplibs="$newdeplibs $i"
- ;;
- esac
- done
- fi
- ;;
- file_magic*)
- set dummy $deplibs_check_method; shift
- file_magic_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
- for a_deplib in $deplibs; do
- case $a_deplib in
- -l*)
- func_stripname -l '' "$a_deplib"
- name=$func_stripname_result
- if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
- case " $predeps $postdeps " in
- *" $a_deplib "*)
- newdeplibs="$newdeplibs $a_deplib"
- a_deplib=""
- ;;
- esac
- fi
- if test -n "$a_deplib" ; then
- libname=`eval "\\$ECHO \"$libname_spec\""`
- for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
- potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
- for potent_lib in $potential_libs; do
- # Follow soft links.
- if ls -lLd "$potent_lib" 2>/dev/null |
- $GREP " -> " >/dev/null; then
- continue
- fi
- # The statement above tries to avoid entering an
- # endless loop below, in case of cyclic links.
- # We might still enter an endless loop, since a link
- # loop can be closed while we follow links,
- # but so what?
- potlib="$potent_lib"
- while test -h "$potlib" 2>/dev/null; do
- potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
- case $potliblink in
- [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
- *) potlib=`$ECHO "X$potlib" | $Xsed -e 's,[^/]*$,,'`"$potliblink";;
- esac
- done
- if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
- $SED -e 10q |
- $EGREP "$file_magic_regex" > /dev/null; then
- newdeplibs="$newdeplibs $a_deplib"
- a_deplib=""
- break 2
- fi
- done
- done
- fi
- if test -n "$a_deplib" ; then
- droppeddeps=yes
- $ECHO
- $ECHO "*** Warning: linker path does not have real file for library $a_deplib."
- $ECHO "*** I have the capability to make that library automatically link in when"
- $ECHO "*** you link to this library. But I can only do this if you have a"
- $ECHO "*** shared version of the library, which you do not appear to have"
- $ECHO "*** because I did check the linker path looking for a file starting"
- if test -z "$potlib" ; then
- $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
- else
- $ECHO "*** with $libname and none of the candidates passed a file format test"
- $ECHO "*** using a file magic. Last file checked: $potlib"
- fi
- fi
- ;;
- *)
- # Add a -L argument.
- newdeplibs="$newdeplibs $a_deplib"
- ;;
- esac
- done # Gone through all deplibs.
- ;;
- match_pattern*)
- set dummy $deplibs_check_method; shift
- match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
- for a_deplib in $deplibs; do
- case $a_deplib in
- -l*)
- func_stripname -l '' "$a_deplib"
- name=$func_stripname_result
- if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
- case " $predeps $postdeps " in
- *" $a_deplib "*)
- newdeplibs="$newdeplibs $a_deplib"
- a_deplib=""
- ;;
- esac
- fi
- if test -n "$a_deplib" ; then
- libname=`eval "\\$ECHO \"$libname_spec\""`
- for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
- potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
- for potent_lib in $potential_libs; do
- potlib="$potent_lib" # see symlink-check above in file_magic test
- if eval "\$ECHO \"X$potent_lib\"" 2>/dev/null | $Xsed -e 10q | \
- $EGREP "$match_pattern_regex" > /dev/null; then
- newdeplibs="$newdeplibs $a_deplib"
- a_deplib=""
- break 2
- fi
- done
- done
- fi
- if test -n "$a_deplib" ; then
- droppeddeps=yes
- $ECHO
- $ECHO "*** Warning: linker path does not have real file for library $a_deplib."
- $ECHO "*** I have the capability to make that library automatically link in when"
- $ECHO "*** you link to this library. But I can only do this if you have a"
- $ECHO "*** shared version of the library, which you do not appear to have"
- $ECHO "*** because I did check the linker path looking for a file starting"
- if test -z "$potlib" ; then
- $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
- else
- $ECHO "*** with $libname and none of the candidates passed a file format test"
- $ECHO "*** using a regex pattern. Last file checked: $potlib"
- fi
- fi
- ;;
- *)
- # Add a -L argument.
- newdeplibs="$newdeplibs $a_deplib"
- ;;
- esac
- done # Gone through all deplibs.
- ;;
- none | unknown | *)
- newdeplibs=""
- tmp_deplibs=`$ECHO "X $deplibs" | $Xsed \
- -e 's/ -lc$//' -e 's/ -[LR][^ ]*//g'`
- if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
- for i in $predeps $postdeps ; do
- # can't use Xsed below, because $i might contain '/'
- tmp_deplibs=`$ECHO "X $tmp_deplibs" | $Xsed -e "s,$i,,"`
- done
- fi
- if $ECHO "X $tmp_deplibs" | $Xsed -e 's/[ ]//g' |
- $GREP . >/dev/null; then
- $ECHO
- if test "X$deplibs_check_method" = "Xnone"; then
- $ECHO "*** Warning: inter-library dependencies are not supported in this platform."
- else
- $ECHO "*** Warning: inter-library dependencies are not known to be supported."
- fi
- $ECHO "*** All declared inter-library dependencies are being dropped."
- droppeddeps=yes
- fi
- ;;
- esac
- versuffix=$versuffix_save
- major=$major_save
- release=$release_save
- libname=$libname_save
- name=$name_save
-
- case $host in
- *-*-rhapsody* | *-*-darwin1.[012])
- # On Rhapsody replace the C library with the System framework
- newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's/ -lc / System.ltframework /'`
- ;;
- esac
-
- if test "$droppeddeps" = yes; then
- if test "$module" = yes; then
- $ECHO
- $ECHO "*** Warning: libtool could not satisfy all declared inter-library"
- $ECHO "*** dependencies of module $libname. Therefore, libtool will create"
- $ECHO "*** a static module, that should work as long as the dlopening"
- $ECHO "*** application is linked with the -dlopen flag."
- if test -z "$global_symbol_pipe"; then
- $ECHO
- $ECHO "*** However, this would only work if libtool was able to extract symbol"
- $ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could"
- $ECHO "*** not find such a program. So, this module is probably useless."
- $ECHO "*** \`nm' from GNU binutils and a full rebuild may help."
- fi
- if test "$build_old_libs" = no; then
- oldlibs="$output_objdir/$libname.$libext"
- build_libtool_libs=module
- build_old_libs=yes
- else
- build_libtool_libs=no
- fi
- else
- $ECHO "*** The inter-library dependencies that have been dropped here will be"
- $ECHO "*** automatically added whenever a program is linked with this library"
- $ECHO "*** or is declared to -dlopen it."
-
- if test "$allow_undefined" = no; then
- $ECHO
- $ECHO "*** Since this library must not contain undefined symbols,"
- $ECHO "*** because either the platform does not support them or"
- $ECHO "*** it was explicitly requested with -no-undefined,"
- $ECHO "*** libtool will only create a static version of it."
- if test "$build_old_libs" = no; then
- oldlibs="$output_objdir/$libname.$libext"
- build_libtool_libs=module
- build_old_libs=yes
- else
- build_libtool_libs=no
- fi
- fi
- fi
- fi
- # Done checking deplibs!
- deplibs=$newdeplibs
- fi
- # Time to change all our "foo.ltframework" stuff back to "-framework foo"
- case $host in
- *-*-darwin*)
- newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
- new_inherited_linker_flags=`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
- deplibs=`$ECHO "X $deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
- ;;
- esac
-
- # move library search paths that coincide with paths to not yet
- # installed libraries to the beginning of the library search list
- new_libs=
- for path in $notinst_path; do
- case " $new_libs " in
- *" -L$path/$objdir "*) ;;
- *)
- case " $deplibs " in
- *" -L$path/$objdir "*)
- new_libs="$new_libs -L$path/$objdir" ;;
- esac
- ;;
- esac
- done
- for deplib in $deplibs; do
- case $deplib in
- -L*)
- case " $new_libs " in
- *" $deplib "*) ;;
- *) new_libs="$new_libs $deplib" ;;
- esac
- ;;
- *) new_libs="$new_libs $deplib" ;;
- esac
- done
- deplibs="$new_libs"
-
- # All the library-specific variables (install_libdir is set above).
- library_names=
- old_library=
- dlname=
-
- # Test again, we may have decided not to build it any more
- if test "$build_libtool_libs" = yes; then
- if test "$hardcode_into_libs" = yes; then
- # Hardcode the library paths
- hardcode_libdirs=
- dep_rpath=
- rpath="$finalize_rpath"
- test "$mode" != relink && rpath="$compile_rpath$rpath"
- for libdir in $rpath; do
- if test -n "$hardcode_libdir_flag_spec"; then
- if test -n "$hardcode_libdir_separator"; then
- if test -z "$hardcode_libdirs"; then
- hardcode_libdirs="$libdir"
- else
- # Just accumulate the unique libdirs.
- case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
- *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
- ;;
- *)
- hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
- ;;
- esac
- fi
- else
- eval flag=\"$hardcode_libdir_flag_spec\"
- dep_rpath="$dep_rpath $flag"
- fi
- elif test -n "$runpath_var"; then
- case "$perm_rpath " in
- *" $libdir "*) ;;
- *) perm_rpath="$perm_rpath $libdir" ;;
- esac
- fi
- done
- # Substitute the hardcoded libdirs into the rpath.
- if test -n "$hardcode_libdir_separator" &&
- test -n "$hardcode_libdirs"; then
- libdir="$hardcode_libdirs"
- if test -n "$hardcode_libdir_flag_spec_ld"; then
- eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\"
- else
- eval dep_rpath=\"$hardcode_libdir_flag_spec\"
- fi
- fi
- if test -n "$runpath_var" && test -n "$perm_rpath"; then
- # We should set the runpath_var.
- rpath=
- for dir in $perm_rpath; do
- rpath="$rpath$dir:"
- done
- eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
- fi
- test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
- fi
-
- shlibpath="$finalize_shlibpath"
- test "$mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
- if test -n "$shlibpath"; then
- eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
- fi
-
- # Get the real and link names of the library.
- eval shared_ext=\"$shrext_cmds\"
- eval library_names=\"$library_names_spec\"
- set dummy $library_names
- shift
- realname="$1"
- shift
-
- if test -n "$soname_spec"; then
- eval soname=\"$soname_spec\"
- else
- soname="$realname"
- fi
- if test -z "$dlname"; then
- dlname=$soname
- fi
-
- lib="$output_objdir/$realname"
- linknames=
- for link
- do
- linknames="$linknames $link"
- done
-
- # Use standard objects if they are pic
- test -z "$pic_flag" && libobjs=`$ECHO "X$libobjs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
- test "X$libobjs" = "X " && libobjs=
-
- delfiles=
- if test -n "$export_symbols" && test -n "$include_expsyms"; then
- $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
- export_symbols="$output_objdir/$libname.uexp"
- delfiles="$delfiles $export_symbols"
- fi
-
- orig_export_symbols=
- case $host_os in
- cygwin* | mingw*)
- if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
- # exporting using user supplied symfile
- if test "x`$SED 1q $export_symbols`" != xEXPORTS; then
- # and it's NOT already a .def file. Must figure out
- # which of the given symbols are data symbols and tag
- # them as such. So, trigger use of export_symbols_cmds.
- # export_symbols gets reassigned inside the "prepare
- # the list of exported symbols" if statement, so the
- # include_expsyms logic still works.
- orig_export_symbols="$export_symbols"
- export_symbols=
- always_export_symbols=yes
- fi
- fi
- ;;
- esac
-
- # Prepare the list of exported symbols
- if test -z "$export_symbols"; then
- if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
- func_verbose "generating symbol list for \`$libname.la'"
- export_symbols="$output_objdir/$libname.exp"
- $opt_dry_run || $RM $export_symbols
- cmds=$export_symbols_cmds
- save_ifs="$IFS"; IFS='~'
- for cmd in $cmds; do
- IFS="$save_ifs"
- eval cmd=\"$cmd\"
- func_len " $cmd"
- len=$func_len_result
- if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
- func_show_eval "$cmd" 'exit $?'
- skipped_export=false
- else
- # The command line is too long to execute in one step.
- func_verbose "using reloadable object file for export list..."
- skipped_export=:
- # Break out early, otherwise skipped_export may be
- # set to false by a later but shorter cmd.
- break
- fi
- done
- IFS="$save_ifs"
- if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then
- func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
- func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
- fi
- fi
- fi
-
- if test -n "$export_symbols" && test -n "$include_expsyms"; then
- tmp_export_symbols="$export_symbols"
- test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
- $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"'
- fi
-
- if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then
- # The given exports_symbols file has to be filtered, so filter it.
- func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
- # FIXME: $output_objdir/$libname.filter potentially contains lots of
- # 's' commands which not all seds can handle. GNU sed should be fine
- # though. Also, the filter scales superlinearly with the number of
- # global variables. join(1) would be nice here, but unfortunately
- # isn't a blessed tool.
- $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
- delfiles="$delfiles $export_symbols $output_objdir/$libname.filter"
- export_symbols=$output_objdir/$libname.def
- $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
- fi
-
- tmp_deplibs=
- for test_deplib in $deplibs; do
- case " $convenience " in
- *" $test_deplib "*) ;;
- *)
- tmp_deplibs="$tmp_deplibs $test_deplib"
- ;;
- esac
- done
- deplibs="$tmp_deplibs"
-
- if test -n "$convenience"; then
- if test -n "$whole_archive_flag_spec" &&
- test "$compiler_needs_object" = yes &&
- test -z "$libobjs"; then
- # extract the archives, so we have objects to list.
- # TODO: could optimize this to just extract one archive.
- whole_archive_flag_spec=
- fi
- if test -n "$whole_archive_flag_spec"; then
- save_libobjs=$libobjs
- eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
- test "X$libobjs" = "X " && libobjs=
- else
- gentop="$output_objdir/${outputname}x"
- generated="$generated $gentop"
-
- func_extract_archives $gentop $convenience
- libobjs="$libobjs $func_extract_archives_result"
- test "X$libobjs" = "X " && libobjs=
- fi
- fi
-
- if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
- eval flag=\"$thread_safe_flag_spec\"
- linker_flags="$linker_flags $flag"
- fi
-
- # Make a backup of the uninstalled library when relinking
- if test "$mode" = relink; then
- $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
- fi
-
- # Do each of the archive commands.
- if test "$module" = yes && test -n "$module_cmds" ; then
- if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
- eval test_cmds=\"$module_expsym_cmds\"
- cmds=$module_expsym_cmds
- else
- eval test_cmds=\"$module_cmds\"
- cmds=$module_cmds
- fi
- else
- if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
- eval test_cmds=\"$archive_expsym_cmds\"
- cmds=$archive_expsym_cmds
- else
- eval test_cmds=\"$archive_cmds\"
- cmds=$archive_cmds
- fi
- fi
-
- if test "X$skipped_export" != "X:" &&
- func_len " $test_cmds" &&
- len=$func_len_result &&
- test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
- :
- else
- # The command line is too long to link in one step, link piecewise
- # or, if using GNU ld and skipped_export is not :, use a linker
- # script.
-
- # Save the value of $output and $libobjs because we want to
- # use them later. If we have whole_archive_flag_spec, we
- # want to use save_libobjs as it was before
- # whole_archive_flag_spec was expanded, because we can't
- # assume the linker understands whole_archive_flag_spec.
- # This may have to be revisited, in case too many
- # convenience libraries get linked in and end up exceeding
- # the spec.
- if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
- save_libobjs=$libobjs
- fi
- save_output=$output
- output_la=`$ECHO "X$output" | $Xsed -e "$basename"`
-
- # Clear the reloadable object creation command queue and
- # initialize k to one.
- test_cmds=
- concat_cmds=
- objlist=
- last_robj=
- k=1
-
- if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then
- output=${output_objdir}/${output_la}.lnkscript
- func_verbose "creating GNU ld script: $output"
- $ECHO 'INPUT (' > $output
- for obj in $save_libobjs
- do
- $ECHO "$obj" >> $output
- done
- $ECHO ')' >> $output
- delfiles="$delfiles $output"
- elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then
- output=${output_objdir}/${output_la}.lnk
- func_verbose "creating linker input file list: $output"
- : > $output
- set x $save_libobjs
- shift
- firstobj=
- if test "$compiler_needs_object" = yes; then
- firstobj="$1 "
- shift
- fi
- for obj
- do
- $ECHO "$obj" >> $output
- done
- delfiles="$delfiles $output"
- output=$firstobj\"$file_list_spec$output\"
- else
- if test -n "$save_libobjs"; then
- func_verbose "creating reloadable object files..."
- output=$output_objdir/$output_la-${k}.$objext
- eval test_cmds=\"$reload_cmds\"
- func_len " $test_cmds"
- len0=$func_len_result
- len=$len0
-
- # Loop over the list of objects to be linked.
- for obj in $save_libobjs
- do
- func_len " $obj"
- func_arith $len + $func_len_result
- len=$func_arith_result
- if test "X$objlist" = X ||
- test "$len" -lt "$max_cmd_len"; then
- func_append objlist " $obj"
- else
- # The command $test_cmds is almost too long, add a
- # command to the queue.
- if test "$k" -eq 1 ; then
- # The first file doesn't have a previous command to add.
- eval concat_cmds=\"$reload_cmds $objlist $last_robj\"
- else
- # All subsequent reloadable object files will link in
- # the last one created.
- eval concat_cmds=\"\$concat_cmds~$reload_cmds $objlist $last_robj~\$RM $last_robj\"
- fi
- last_robj=$output_objdir/$output_la-${k}.$objext
- func_arith $k + 1
- k=$func_arith_result
- output=$output_objdir/$output_la-${k}.$objext
- objlist=$obj
- func_len " $last_robj"
- func_arith $len0 + $func_len_result
- len=$func_arith_result
- fi
- done
- # Handle the remaining objects by creating one last
- # reloadable object file. All subsequent reloadable object
- # files will link in the last one created.
- test -z "$concat_cmds" || concat_cmds=$concat_cmds~
- eval concat_cmds=\"\${concat_cmds}$reload_cmds $objlist $last_robj\"
- if test -n "$last_robj"; then
- eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\"
- fi
- delfiles="$delfiles $output"
-
- else
- output=
- fi
-
- if ${skipped_export-false}; then
- func_verbose "generating symbol list for \`$libname.la'"
- export_symbols="$output_objdir/$libname.exp"
- $opt_dry_run || $RM $export_symbols
- libobjs=$output
- # Append the command to create the export file.
- test -z "$concat_cmds" || concat_cmds=$concat_cmds~
- eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\"
- if test -n "$last_robj"; then
- eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
- fi
- fi
-
- test -n "$save_libobjs" &&
- func_verbose "creating a temporary reloadable object file: $output"
-
- # Loop through the commands generated above and execute them.
- save_ifs="$IFS"; IFS='~'
- for cmd in $concat_cmds; do
- IFS="$save_ifs"
- $opt_silent || {
- func_quote_for_expand "$cmd"
- eval "func_echo $func_quote_for_expand_result"
- }
- $opt_dry_run || eval "$cmd" || {
- lt_exit=$?
-
- # Restore the uninstalled library and exit
- if test "$mode" = relink; then
- ( cd "$output_objdir" && \
- $RM "${realname}T" && \
- $MV "${realname}U" "$realname" )
- fi
-
- exit $lt_exit
- }
- done
- IFS="$save_ifs"
-
- if test -n "$export_symbols_regex" && ${skipped_export-false}; then
- func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
- func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
- fi
- fi
-
- if ${skipped_export-false}; then
- if test -n "$export_symbols" && test -n "$include_expsyms"; then
- tmp_export_symbols="$export_symbols"
- test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
- $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"'
- fi
-
- if test -n "$orig_export_symbols"; then
- # The given exports_symbols file has to be filtered, so filter it.
- func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
- # FIXME: $output_objdir/$libname.filter potentially contains lots of
- # 's' commands which not all seds can handle. GNU sed should be fine
- # though. Also, the filter scales superlinearly with the number of
- # global variables. join(1) would be nice here, but unfortunately
- # isn't a blessed tool.
- $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
- delfiles="$delfiles $export_symbols $output_objdir/$libname.filter"
- export_symbols=$output_objdir/$libname.def
- $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
- fi
- fi
-
- libobjs=$output
- # Restore the value of output.
- output=$save_output
-
- if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
- eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
- test "X$libobjs" = "X " && libobjs=
- fi
- # Expand the library linking commands again to reset the
- # value of $libobjs for piecewise linking.
-
- # Do each of the archive commands.
- if test "$module" = yes && test -n "$module_cmds" ; then
- if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
- cmds=$module_expsym_cmds
- else
- cmds=$module_cmds
- fi
- else
- if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
- cmds=$archive_expsym_cmds
- else
- cmds=$archive_cmds
- fi
- fi
- fi
-
- if test -n "$delfiles"; then
- # Append the command to remove temporary files to $cmds.
- eval cmds=\"\$cmds~\$RM $delfiles\"
- fi
-
- # Add any objects from preloaded convenience libraries
- if test -n "$dlprefiles"; then
- gentop="$output_objdir/${outputname}x"
- generated="$generated $gentop"
-
- func_extract_archives $gentop $dlprefiles
- libobjs="$libobjs $func_extract_archives_result"
- test "X$libobjs" = "X " && libobjs=
- fi
-
- save_ifs="$IFS"; IFS='~'
- for cmd in $cmds; do
- IFS="$save_ifs"
- eval cmd=\"$cmd\"
- $opt_silent || {
- func_quote_for_expand "$cmd"
- eval "func_echo $func_quote_for_expand_result"
- }
- $opt_dry_run || eval "$cmd" || {
- lt_exit=$?
-
- # Restore the uninstalled library and exit
- if test "$mode" = relink; then
- ( cd "$output_objdir" && \
- $RM "${realname}T" && \
- $MV "${realname}U" "$realname" )
- fi
-
- exit $lt_exit
- }
- done
- IFS="$save_ifs"
-
- # Restore the uninstalled library and exit
- if test "$mode" = relink; then
- $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
-
- if test -n "$convenience"; then
- if test -z "$whole_archive_flag_spec"; then
- func_show_eval '${RM}r "$gentop"'
- fi
- fi
-
- exit $EXIT_SUCCESS
- fi
-
- # Create links to the real library.
- for linkname in $linknames; do
- if test "$realname" != "$linkname"; then
- func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?'
- fi
- done
-
- # If -module or -export-dynamic was specified, set the dlname.
- if test "$module" = yes || test "$export_dynamic" = yes; then
- # On all known operating systems, these are identical.
- dlname="$soname"
- fi
- fi
- ;;
-
- obj)
- if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
- func_warning "\`-dlopen' is ignored for objects"
- fi
-
- case " $deplibs" in
- *\ -l* | *\ -L*)
- func_warning "\`-l' and \`-L' are ignored for objects" ;;
- esac
-
- test -n "$rpath" && \
- func_warning "\`-rpath' is ignored for objects"
-
- test -n "$xrpath" && \
- func_warning "\`-R' is ignored for objects"
-
- test -n "$vinfo" && \
- func_warning "\`-version-info' is ignored for objects"
-
- test -n "$release" && \
- func_warning "\`-release' is ignored for objects"
-
- case $output in
- *.lo)
- test -n "$objs$old_deplibs" && \
- func_fatal_error "cannot build library object \`$output' from non-libtool objects"
-
- libobj=$output
- func_lo2o "$libobj"
- obj=$func_lo2o_result
- ;;
- *)
- libobj=
- obj="$output"
- ;;
- esac
-
- # Delete the old objects.
- $opt_dry_run || $RM $obj $libobj
-
- # Objects from convenience libraries. This assumes
- # single-version convenience libraries. Whenever we create
- # different ones for PIC/non-PIC, this we'll have to duplicate
- # the extraction.
- reload_conv_objs=
- gentop=
- # reload_cmds runs $LD directly, so let us get rid of
- # -Wl from whole_archive_flag_spec and hope we can get by with
- # turning comma into space..
- wl=
-
- if test -n "$convenience"; then
- if test -n "$whole_archive_flag_spec"; then
- eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
- reload_conv_objs=$reload_objs\ `$ECHO "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'`
- else
- gentop="$output_objdir/${obj}x"
- generated="$generated $gentop"
-
- func_extract_archives $gentop $convenience
- reload_conv_objs="$reload_objs $func_extract_archives_result"
- fi
- fi
-
- # Create the old-style object.
- reload_objs="$objs$old_deplibs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}$'/d' -e '/\.lib$/d' -e "$lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
-
- output="$obj"
- func_execute_cmds "$reload_cmds" 'exit $?'
-
- # Exit if we aren't doing a library object file.
- if test -z "$libobj"; then
- if test -n "$gentop"; then
- func_show_eval '${RM}r "$gentop"'
- fi
-
- exit $EXIT_SUCCESS
- fi
-
- if test "$build_libtool_libs" != yes; then
- if test -n "$gentop"; then
- func_show_eval '${RM}r "$gentop"'
- fi
-
- # Create an invalid libtool object if no PIC, so that we don't
- # accidentally link it into a program.
- # $show "echo timestamp > $libobj"
- # $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
- exit $EXIT_SUCCESS
- fi
-
- if test -n "$pic_flag" || test "$pic_mode" != default; then
- # Only do commands if we really have different PIC objects.
- reload_objs="$libobjs $reload_conv_objs"
- output="$libobj"
- func_execute_cmds "$reload_cmds" 'exit $?'
- fi
-
- if test -n "$gentop"; then
- func_show_eval '${RM}r "$gentop"'
- fi
-
- exit $EXIT_SUCCESS
- ;;
-
- prog)
- case $host in
- *cygwin*) func_stripname '' '.exe' "$output"
- output=$func_stripname_result.exe;;
- esac
- test -n "$vinfo" && \
- func_warning "\`-version-info' is ignored for programs"
-
- test -n "$release" && \
- func_warning "\`-release' is ignored for programs"
-
- test "$preload" = yes \
- && test "$dlopen_support" = unknown \
- && test "$dlopen_self" = unknown \
- && test "$dlopen_self_static" = unknown && \
- func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support."
-
- case $host in
- *-*-rhapsody* | *-*-darwin1.[012])
- # On Rhapsody replace the C library is the System framework
- compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'`
- finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'`
- ;;
- esac
-
- case $host in
- *-*-darwin*)
- # Don't allow lazy linking, it breaks C++ global constructors
- # But is supposedly fixed on 10.4 or later (yay!).
- if test "$tagname" = CXX ; then
- case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
- 10.[0123])
- compile_command="$compile_command ${wl}-bind_at_load"
- finalize_command="$finalize_command ${wl}-bind_at_load"
- ;;
- esac
- fi
- # Time to change all our "foo.ltframework" stuff back to "-framework foo"
- compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
- finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
- ;;
- esac
-
-
- # move library search paths that coincide with paths to not yet
- # installed libraries to the beginning of the library search list
- new_libs=
- for path in $notinst_path; do
- case " $new_libs " in
- *" -L$path/$objdir "*) ;;
- *)
- case " $compile_deplibs " in
- *" -L$path/$objdir "*)
- new_libs="$new_libs -L$path/$objdir" ;;
- esac
- ;;
- esac
- done
- for deplib in $compile_deplibs; do
- case $deplib in
- -L*)
- case " $new_libs " in
- *" $deplib "*) ;;
- *) new_libs="$new_libs $deplib" ;;
- esac
- ;;
- *) new_libs="$new_libs $deplib" ;;
- esac
- done
- compile_deplibs="$new_libs"
-
-
- compile_command="$compile_command $compile_deplibs"
- finalize_command="$finalize_command $finalize_deplibs"
-
- if test -n "$rpath$xrpath"; then
- # If the user specified any rpath flags, then add them.
- for libdir in $rpath $xrpath; do
- # This is the magic to use -rpath.
- case "$finalize_rpath " in
- *" $libdir "*) ;;
- *) finalize_rpath="$finalize_rpath $libdir" ;;
- esac
- done
- fi
-
- # Now hardcode the library paths
- rpath=
- hardcode_libdirs=
- for libdir in $compile_rpath $finalize_rpath; do
- if test -n "$hardcode_libdir_flag_spec"; then
- if test -n "$hardcode_libdir_separator"; then
- if test -z "$hardcode_libdirs"; then
- hardcode_libdirs="$libdir"
- else
- # Just accumulate the unique libdirs.
- case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
- *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
- ;;
- *)
- hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
- ;;
- esac
- fi
- else
- eval flag=\"$hardcode_libdir_flag_spec\"
- rpath="$rpath $flag"
- fi
- elif test -n "$runpath_var"; then
- case "$perm_rpath " in
- *" $libdir "*) ;;
- *) perm_rpath="$perm_rpath $libdir" ;;
- esac
- fi
- case $host in
- *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
- testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'`
- case :$dllsearchpath: in
- *":$libdir:"*) ;;
- *) dllsearchpath="$dllsearchpath:$libdir";;
- esac
- case :$dllsearchpath: in
- *":$testbindir:"*) ;;
- *) dllsearchpath="$dllsearchpath:$testbindir";;
- esac
- ;;
- esac
- done
- # Substitute the hardcoded libdirs into the rpath.
- if test -n "$hardcode_libdir_separator" &&
- test -n "$hardcode_libdirs"; then
- libdir="$hardcode_libdirs"
- eval rpath=\" $hardcode_libdir_flag_spec\"
- fi
- compile_rpath="$rpath"
-
- rpath=
- hardcode_libdirs=
- for libdir in $finalize_rpath; do
- if test -n "$hardcode_libdir_flag_spec"; then
- if test -n "$hardcode_libdir_separator"; then
- if test -z "$hardcode_libdirs"; then
- hardcode_libdirs="$libdir"
- else
- # Just accumulate the unique libdirs.
- case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
- *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
- ;;
- *)
- hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
- ;;
- esac
- fi
- else
- eval flag=\"$hardcode_libdir_flag_spec\"
- rpath="$rpath $flag"
- fi
- elif test -n "$runpath_var"; then
- case "$finalize_perm_rpath " in
- *" $libdir "*) ;;
- *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;;
- esac
- fi
- done
- # Substitute the hardcoded libdirs into the rpath.
- if test -n "$hardcode_libdir_separator" &&
- test -n "$hardcode_libdirs"; then
- libdir="$hardcode_libdirs"
- eval rpath=\" $hardcode_libdir_flag_spec\"
- fi
- finalize_rpath="$rpath"
-
- if test -n "$libobjs" && test "$build_old_libs" = yes; then
- # Transform all the library objects into standard objects.
- compile_command=`$ECHO "X$compile_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
- finalize_command=`$ECHO "X$finalize_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
- fi
-
- func_generate_dlsyms "$outputname" "@PROGRAM@" "no"
-
- # template prelinking step
- if test -n "$prelink_cmds"; then
- func_execute_cmds "$prelink_cmds" 'exit $?'
- fi
-
- wrappers_required=yes
- case $host in
- *cygwin* | *mingw* )
- if test "$build_libtool_libs" != yes; then
- wrappers_required=no
- fi
- ;;
- *)
- if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
- wrappers_required=no
- fi
- ;;
- esac
- if test "$wrappers_required" = no; then
- # Replace the output file specification.
- compile_command=`$ECHO "X$compile_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'`
- link_command="$compile_command$compile_rpath"
-
- # We have no uninstalled library dependencies, so finalize right now.
- exit_status=0
- func_show_eval "$link_command" 'exit_status=$?'
-
- # Delete the generated files.
- if test -f "$output_objdir/${outputname}S.${objext}"; then
- func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"'
- fi
-
- exit $exit_status
- fi
-
- if test -n "$compile_shlibpath$finalize_shlibpath"; then
- compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
- fi
- if test -n "$finalize_shlibpath"; then
- finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
- fi
-
- compile_var=
- finalize_var=
- if test -n "$runpath_var"; then
- if test -n "$perm_rpath"; then
- # We should set the runpath_var.
- rpath=
- for dir in $perm_rpath; do
- rpath="$rpath$dir:"
- done
- compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
- fi
- if test -n "$finalize_perm_rpath"; then
- # We should set the runpath_var.
- rpath=
- for dir in $finalize_perm_rpath; do
- rpath="$rpath$dir:"
- done
- finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
- fi
- fi
-
- if test "$no_install" = yes; then
- # We don't need to create a wrapper script.
- link_command="$compile_var$compile_command$compile_rpath"
- # Replace the output file specification.
- link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'`
- # Delete the old output file.
- $opt_dry_run || $RM $output
- # Link the executable and exit
- func_show_eval "$link_command" 'exit $?'
- exit $EXIT_SUCCESS
- fi
-
- if test "$hardcode_action" = relink; then
- # Fast installation is not supported
- link_command="$compile_var$compile_command$compile_rpath"
- relink_command="$finalize_var$finalize_command$finalize_rpath"
-
- func_warning "this platform does not like uninstalled shared libraries"
- func_warning "\`$output' will be relinked during installation"
- else
- if test "$fast_install" != no; then
- link_command="$finalize_var$compile_command$finalize_rpath"
- if test "$fast_install" = yes; then
- relink_command=`$ECHO "X$compile_var$compile_command$compile_rpath" | $Xsed -e 's%@OUTPUT@%\$progdir/\$file%g'`
- else
- # fast_install is set to needless
- relink_command=
- fi
- else
- link_command="$compile_var$compile_command$compile_rpath"
- relink_command="$finalize_var$finalize_command$finalize_rpath"
- fi
- fi
-
- # Replace the output file specification.
- link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
-
- # Delete the old output files.
- $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname
-
- func_show_eval "$link_command" 'exit $?'
-
- # Now create the wrapper script.
- func_verbose "creating $output"
-
- # Quote the relink command for shipping.
- if test -n "$relink_command"; then
- # Preserve any variables that may affect compiler behavior
- for var in $variables_saved_for_relink; do
- if eval test -z \"\${$var+set}\"; then
- relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
- elif eval var_value=\$$var; test -z "$var_value"; then
- relink_command="$var=; export $var; $relink_command"
- else
- func_quote_for_eval "$var_value"
- relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
- fi
- done
- relink_command="(cd `pwd`; $relink_command)"
- relink_command=`$ECHO "X$relink_command" | $Xsed -e "$sed_quote_subst"`
- fi
-
- # Quote $ECHO for shipping.
- if test "X$ECHO" = "X$SHELL $progpath --fallback-echo"; then
- case $progpath in
- [\\/]* | [A-Za-z]:[\\/]*) qecho="$SHELL $progpath --fallback-echo";;
- *) qecho="$SHELL `pwd`/$progpath --fallback-echo";;
- esac
- qecho=`$ECHO "X$qecho" | $Xsed -e "$sed_quote_subst"`
- else
- qecho=`$ECHO "X$ECHO" | $Xsed -e "$sed_quote_subst"`
- fi
-
- # Only actually do things if not in dry run mode.
- $opt_dry_run || {
- # win32 will think the script is a binary if it has
- # a .exe suffix, so we strip it off here.
- case $output in
- *.exe) func_stripname '' '.exe' "$output"
- output=$func_stripname_result ;;
- esac
- # test for cygwin because mv fails w/o .exe extensions
- case $host in
- *cygwin*)
- exeext=.exe
- func_stripname '' '.exe' "$outputname"
- outputname=$func_stripname_result ;;
- *) exeext= ;;
- esac
- case $host in
- *cygwin* | *mingw* )
- func_dirname_and_basename "$output" "" "."
- output_name=$func_basename_result
- output_path=$func_dirname_result
- cwrappersource="$output_path/$objdir/lt-$output_name.c"
- cwrapper="$output_path/$output_name.exe"
- $RM $cwrappersource $cwrapper
- trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
-
- func_emit_cwrapperexe_src > $cwrappersource
-
- # we should really use a build-platform specific compiler
- # here, but OTOH, the wrappers (shell script and this C one)
- # are only useful if you want to execute the "real" binary.
- # Since the "real" binary is built for $host, then this
- # wrapper might as well be built for $host, too.
- $opt_dry_run || {
- $LTCC $LTCFLAGS -o $cwrapper $cwrappersource
- $STRIP $cwrapper
- }
-
- # Now, create the wrapper script for func_source use:
- func_ltwrapper_scriptname $cwrapper
- $RM $func_ltwrapper_scriptname_result
- trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
- $opt_dry_run || {
- # note: this script will not be executed, so do not chmod.
- if test "x$build" = "x$host" ; then
- $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
- else
- func_emit_wrapper no > $func_ltwrapper_scriptname_result
- fi
- }
- ;;
- * )
- $RM $output
- trap "$RM $output; exit $EXIT_FAILURE" 1 2 15
-
- func_emit_wrapper no > $output
- chmod +x $output
- ;;
- esac
- }
- exit $EXIT_SUCCESS
- ;;
- esac
-
- # See if we need to build an old-fashioned archive.
- for oldlib in $oldlibs; do
-
- if test "$build_libtool_libs" = convenience; then
- oldobjs="$libobjs_save $symfileobj"
- addlibs="$convenience"
- build_libtool_libs=no
- else
- if test "$build_libtool_libs" = module; then
- oldobjs="$libobjs_save"
- build_libtool_libs=no
- else
- oldobjs="$old_deplibs $non_pic_objects"
- if test "$preload" = yes && test -f "$symfileobj"; then
- oldobjs="$oldobjs $symfileobj"
- fi
- fi
- addlibs="$old_convenience"
- fi
-
- if test -n "$addlibs"; then
- gentop="$output_objdir/${outputname}x"
- generated="$generated $gentop"
-
- func_extract_archives $gentop $addlibs
- oldobjs="$oldobjs $func_extract_archives_result"
- fi
-
- # Do each command in the archive commands.
- if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
- cmds=$old_archive_from_new_cmds
- else
-
- # Add any objects from preloaded convenience libraries
- if test -n "$dlprefiles"; then
- gentop="$output_objdir/${outputname}x"
- generated="$generated $gentop"
-
- func_extract_archives $gentop $dlprefiles
- oldobjs="$oldobjs $func_extract_archives_result"
- fi
-
- # POSIX demands no paths to be encoded in archives. We have
- # to avoid creating archives with duplicate basenames if we
- # might have to extract them afterwards, e.g., when creating a
- # static archive out of a convenience library, or when linking
- # the entirety of a libtool archive into another (currently
- # not supported by libtool).
- if (for obj in $oldobjs
- do
- func_basename "$obj"
- $ECHO "$func_basename_result"
- done | sort | sort -uc >/dev/null 2>&1); then
- :
- else
- $ECHO "copying selected object files to avoid basename conflicts..."
- gentop="$output_objdir/${outputname}x"
- generated="$generated $gentop"
- func_mkdir_p "$gentop"
- save_oldobjs=$oldobjs
- oldobjs=
- counter=1
- for obj in $save_oldobjs
- do
- func_basename "$obj"
- objbase="$func_basename_result"
- case " $oldobjs " in
- " ") oldobjs=$obj ;;
- *[\ /]"$objbase "*)
- while :; do
- # Make sure we don't pick an alternate name that also
- # overlaps.
- newobj=lt$counter-$objbase
- func_arith $counter + 1
- counter=$func_arith_result
- case " $oldobjs " in
- *[\ /]"$newobj "*) ;;
- *) if test ! -f "$gentop/$newobj"; then break; fi ;;
- esac
- done
- func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
- oldobjs="$oldobjs $gentop/$newobj"
- ;;
- *) oldobjs="$oldobjs $obj" ;;
- esac
- done
- fi
- eval cmds=\"$old_archive_cmds\"
-
- func_len " $cmds"
- len=$func_len_result
- if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
- cmds=$old_archive_cmds
- else
- # the command line is too long to link in one step, link in parts
- func_verbose "using piecewise archive linking..."
- save_RANLIB=$RANLIB
- RANLIB=:
- objlist=
- concat_cmds=
- save_oldobjs=$oldobjs
- oldobjs=
- # Is there a better way of finding the last object in the list?
- for obj in $save_oldobjs
- do
- last_oldobj=$obj
- done
- eval test_cmds=\"$old_archive_cmds\"
- func_len " $test_cmds"
- len0=$func_len_result
- len=$len0
- for obj in $save_oldobjs
- do
- func_len " $obj"
- func_arith $len + $func_len_result
- len=$func_arith_result
- func_append objlist " $obj"
- if test "$len" -lt "$max_cmd_len"; then
- :
- else
- # the above command should be used before it gets too long
- oldobjs=$objlist
- if test "$obj" = "$last_oldobj" ; then
- RANLIB=$save_RANLIB
- fi
- test -z "$concat_cmds" || concat_cmds=$concat_cmds~
- eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
- objlist=
- len=$len0
- fi
- done
- RANLIB=$save_RANLIB
- oldobjs=$objlist
- if test "X$oldobjs" = "X" ; then
- eval cmds=\"\$concat_cmds\"
- else
- eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
- fi
- fi
- fi
- func_execute_cmds "$cmds" 'exit $?'
- done
-
- test -n "$generated" && \
- func_show_eval "${RM}r$generated"
-
- # Now create the libtool archive.
- case $output in
- *.la)
- old_library=
- test "$build_old_libs" = yes && old_library="$libname.$libext"
- func_verbose "creating $output"
-
- # Preserve any variables that may affect compiler behavior
- for var in $variables_saved_for_relink; do
- if eval test -z \"\${$var+set}\"; then
- relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
- elif eval var_value=\$$var; test -z "$var_value"; then
- relink_command="$var=; export $var; $relink_command"
- else
- func_quote_for_eval "$var_value"
- relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
- fi
- done
- # Quote the link command for shipping.
- relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
- relink_command=`$ECHO "X$relink_command" | $Xsed -e "$sed_quote_subst"`
- if test "$hardcode_automatic" = yes ; then
- relink_command=
- fi
-
- # Only create the output if not a dry run.
- $opt_dry_run || {
- for installed in no yes; do
- if test "$installed" = yes; then
- if test -z "$install_libdir"; then
- break
- fi
- output="$output_objdir/$outputname"i
- # Replace all uninstalled libtool libraries with the installed ones
- newdependency_libs=
- for deplib in $dependency_libs; do
- case $deplib in
- *.la)
- func_basename "$deplib"
- name="$func_basename_result"
- eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
- test -z "$libdir" && \
- func_fatal_error "\`$deplib' is not a valid libtool archive"
- newdependency_libs="$newdependency_libs $libdir/$name"
- ;;
- *) newdependency_libs="$newdependency_libs $deplib" ;;
- esac
- done
- dependency_libs="$newdependency_libs"
- newdlfiles=
-
- for lib in $dlfiles; do
- case $lib in
- *.la)
- func_basename "$lib"
- name="$func_basename_result"
- eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
- test -z "$libdir" && \
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-
-# ### BEGIN LIBTOOL TAG CONFIG: disable-static
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-#! /bin/sh
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-
-scriptversion=2006-05-10.23
-
-# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006
-# Free Software Foundation, Inc.
-# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
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-
-# Solaris 8's mkdir -p isn't thread-safe. If you mkdir -p a/b and
-# mkdir -p a/c at the same time, both will detect that a is missing,
-# one will create a, then the other will try to create a and die with
-# a "File exists" error. This is a problem when calling mkinstalldirs
-# from a parallel make. We use --version in the probe to restrict
-# ourselves to GNU mkdir, which is thread-safe.
-case $dirmode in
- '')
- if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
- echo "mkdir -p -- $*"
- exec mkdir -p -- "$@"
- else
- # On NextStep and OpenStep, the `mkdir' command does not
- # recognize any option. It will interpret all options as
- # directories to create, and then abort because `.' already
- # exists.
- test -d ./-p && rmdir ./-p
- test -d ./--version && rmdir ./--version
- fi
- ;;
- *)
- if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
- test ! -d ./--version; then
- echo "mkdir -m $dirmode -p -- $*"
- exec mkdir -m "$dirmode" -p -- "$@"
- else
- # Clean up after NextStep and OpenStep mkdir.
- for d in ./-m ./-p ./--version "./$dirmode";
- do
- test -d $d && rmdir $d
- done
- fi
- ;;
-esac
-
-for file
-do
- case $file in
- /*) pathcomp=/ ;;
- *) pathcomp= ;;
- esac
- oIFS=$IFS
- IFS=/
- set fnord $file
- shift
- IFS=$oIFS
-
- for d
- do
- test "x$d" = x && continue
-
- pathcomp=$pathcomp$d
- case $pathcomp in
- -*) pathcomp=./$pathcomp ;;
- esac
-
- if test ! -d "$pathcomp"; then
- echo "mkdir $pathcomp"
-
- mkdir "$pathcomp" || lasterr=$?
-
- if test ! -d "$pathcomp"; then
- errstatus=$lasterr
- else
- if test ! -z "$dirmode"; then
- echo "chmod $dirmode $pathcomp"
- lasterr=
- chmod "$dirmode" "$pathcomp" || lasterr=$?
-
- if test ! -z "$lasterr"; then
- errstatus=$lasterr
- fi
- fi
- fi
- fi
-
- pathcomp=$pathcomp/
- done
-done
-
-exit $errstatus
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
-# End:
+++ /dev/null
-.TH PNG 5 "June 4, 2009"
-.SH NAME
-png \- Portable Network Graphics (PNG) format
-.SH DESCRIPTION
-PNG (Portable Network Graphics) is an extensible file format for the
-lossless, portable, well-compressed storage of raster images. PNG provides
-a patent-free replacement for GIF and can also replace many
-common uses of TIFF. Indexed-color, grayscale, and truecolor images are
-supported, plus an optional alpha channel. Sample depths range from
-1 to 16 bits.
-.br
-
-PNG is designed to work well in online viewing applications, such as the
-World Wide Web, so it is fully streamable with a progressive display
-option. PNG is robust, providing both full file integrity checking and
-fast, simple detection of common transmission errors. Also, PNG can store
-gamma and chromaticity data for improved color matching on heterogeneous
-platforms.
-
-.SH "SEE ALSO"
-.IR libpng(3) ", " zlib(3) ", " deflate(5) ", and " zlib(5)
-.LP
-PNG specification (second edition), November 2003:
-.IP
-.br
- <http://www.w3.org/TR/2003/REC-PNG-20031110/
-PNG 1.2 specification, July 1999:
-.IP
-.br
-http://www.libpng.org/pub/png
-.LP
-PNG 1.0 specification, October 1996:
-.IP
-.br
-RFC 2083
-.IP
-.br
-ftp://ftp.rfc-editor.org:/in-notes/rfc2083.txt
-.br
-or (as a W3C Recommendation) at
-.br
-http://www.w3.org/TR/REC-png.html
-.SH AUTHORS
-This man page: Glenn Randers-Pehrson
-.LP
-Portable Network Graphics (PNG) Specification (Second Edition)
-Information technology - Computer graphics and image processing -
-Portable Network Graphics (PNG): Functional specification.
-ISO/IEC 15948:2003 (E) (November 10, 2003): David Duce and others.
-.LP
-Portable Network Graphics (PNG) Specification Version 1.2 (July 8, 1999):
-Glenn Randers-Pehrson and others (png-list).
-.LP
-Portable Network Graphics (PNG) Specification Version 1.0 (October 1, 1996):
-Thomas Boutell and others (png-list).
-.LP
-
-
-.SH COPYRIGHT NOTICE
-.LP
-This man page is Copyright (c) 1998-2006 Glenn Randers-Pehrson. See png.h
-for conditions of use and distribution.
-.LP
-The PNG Specification (Second Edition) is
-Copyright (c) 2003 W3C. (MIT, ERCIM, Keio), All Rights Reserved.
-.LP
-The PNG-1.2 specification is copyright (c) 1999 Glenn Randers-Pehrson.
-See the specification for conditions of use and distribution.
-.LP
-The PNG-1.0 specification is copyright (c) 1996 Massachusetts Institute of
-Technology. See the specification for conditions of use and distribution.
-.LP
-.\" end of man page
-
+++ /dev/null
-
-/* png.c - location for general purpose libpng functions
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-#define PNG_INTERNAL
-#define PNG_NO_EXTERN
-#include "png.h"
-
-/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_37 Your_png_h_is_not_version_1_2_37;
-
-/* Version information for C files. This had better match the version
- * string defined in png.h. */
-
-#ifdef PNG_USE_GLOBAL_ARRAYS
-/* png_libpng_ver was changed to a function in version 1.0.5c */
-PNG_CONST char png_libpng_ver[18] = PNG_LIBPNG_VER_STRING;
-
-#ifdef PNG_READ_SUPPORTED
-
-/* png_sig was changed to a function in version 1.0.5c */
-/* Place to hold the signature string for a PNG file. */
-PNG_CONST png_byte FARDATA png_sig[8] = {137, 80, 78, 71, 13, 10, 26, 10};
-#endif /* PNG_READ_SUPPORTED */
-
-/* Invoke global declarations for constant strings for known chunk types */
-PNG_IHDR;
-PNG_IDAT;
-PNG_IEND;
-PNG_PLTE;
-PNG_bKGD;
-PNG_cHRM;
-PNG_gAMA;
-PNG_hIST;
-PNG_iCCP;
-PNG_iTXt;
-PNG_oFFs;
-PNG_pCAL;
-PNG_sCAL;
-PNG_pHYs;
-PNG_sBIT;
-PNG_sPLT;
-PNG_sRGB;
-PNG_tEXt;
-PNG_tIME;
-PNG_tRNS;
-PNG_zTXt;
-
-#ifdef PNG_READ_SUPPORTED
-/* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
-
-/* Start of interlace block */
-PNG_CONST int FARDATA png_pass_start[] = {0, 4, 0, 2, 0, 1, 0};
-
-/* Offset to next interlace block */
-PNG_CONST int FARDATA png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1};
-
-/* Start of interlace block in the y direction */
-PNG_CONST int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
-
-/* Offset to next interlace block in the y direction */
-PNG_CONST int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
-
-/* Height of interlace block. This is not currently used - if you need
- * it, uncomment it here and in png.h
-PNG_CONST int FARDATA png_pass_height[] = {8, 8, 4, 4, 2, 2, 1};
-*/
-
-/* Mask to determine which pixels are valid in a pass */
-PNG_CONST int FARDATA png_pass_mask[] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff};
-
-/* Mask to determine which pixels to overwrite while displaying */
-PNG_CONST int FARDATA png_pass_dsp_mask[]
- = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff};
-
-#endif /* PNG_READ_SUPPORTED */
-#endif /* PNG_USE_GLOBAL_ARRAYS */
-
-/* Tells libpng that we have already handled the first "num_bytes" bytes
- * of the PNG file signature. If the PNG data is embedded into another
- * stream we can set num_bytes = 8 so that libpng will not attempt to read
- * or write any of the magic bytes before it starts on the IHDR.
- */
-
-#ifdef PNG_READ_SUPPORTED
-void PNGAPI
-png_set_sig_bytes(png_structp png_ptr, int num_bytes)
-{
- if (png_ptr == NULL)
- return;
- png_debug(1, "in png_set_sig_bytes");
- if (num_bytes > 8)
- png_error(png_ptr, "Too many bytes for PNG signature.");
-
- png_ptr->sig_bytes = (png_byte)(num_bytes < 0 ? 0 : num_bytes);
-}
-
-/* Checks whether the supplied bytes match the PNG signature. We allow
- * checking less than the full 8-byte signature so that those apps that
- * already read the first few bytes of a file to determine the file type
- * can simply check the remaining bytes for extra assurance. Returns
- * an integer less than, equal to, or greater than zero if sig is found,
- * respectively, to be less than, to match, or be greater than the correct
- * PNG signature (this is the same behaviour as strcmp, memcmp, etc).
- */
-int PNGAPI
-png_sig_cmp(png_bytep sig, png_size_t start, png_size_t num_to_check)
-{
- png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10};
- if (num_to_check > 8)
- num_to_check = 8;
- else if (num_to_check < 1)
- return (-1);
-
- if (start > 7)
- return (-1);
-
- if (start + num_to_check > 8)
- num_to_check = 8 - start;
-
- return ((int)(png_memcmp(&sig[start], &png_signature[start], num_to_check)));
-}
-
-#if defined(PNG_1_0_X) || defined(PNG_1_2_X)
-/* (Obsolete) function to check signature bytes. It does not allow one
- * to check a partial signature. This function might be removed in the
- * future - use png_sig_cmp(). Returns true (nonzero) if the file is PNG.
- */
-int PNGAPI
-png_check_sig(png_bytep sig, int num)
-{
- return ((int)!png_sig_cmp(sig, (png_size_t)0, (png_size_t)num));
-}
-#endif
-#endif /* PNG_READ_SUPPORTED */
-
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-/* Function to allocate memory for zlib and clear it to 0. */
-#ifdef PNG_1_0_X
-voidpf PNGAPI
-#else
-voidpf /* private */
-#endif
-png_zalloc(voidpf png_ptr, uInt items, uInt size)
-{
- png_voidp ptr;
- png_structp p=(png_structp)png_ptr;
- png_uint_32 save_flags=p->flags;
- png_uint_32 num_bytes;
-
- if (png_ptr == NULL)
- return (NULL);
- if (items > PNG_UINT_32_MAX/size)
- {
- png_warning (p, "Potential overflow in png_zalloc()");
- return (NULL);
- }
- num_bytes = (png_uint_32)items * size;
-
- p->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
- ptr = (png_voidp)png_malloc((png_structp)png_ptr, num_bytes);
- p->flags=save_flags;
-
-#if defined(PNG_1_0_X) && !defined(PNG_NO_ZALLOC_ZERO)
- if (ptr == NULL)
- return ((voidpf)ptr);
-
- if (num_bytes > (png_uint_32)0x8000L)
- {
- png_memset(ptr, 0, (png_size_t)0x8000L);
- png_memset((png_bytep)ptr + (png_size_t)0x8000L, 0,
- (png_size_t)(num_bytes - (png_uint_32)0x8000L));
- }
- else
- {
- png_memset(ptr, 0, (png_size_t)num_bytes);
- }
-#endif
- return ((voidpf)ptr);
-}
-
-/* Function to free memory for zlib */
-#ifdef PNG_1_0_X
-void PNGAPI
-#else
-void /* private */
-#endif
-png_zfree(voidpf png_ptr, voidpf ptr)
-{
- png_free((png_structp)png_ptr, (png_voidp)ptr);
-}
-
-/* Reset the CRC variable to 32 bits of 1's. Care must be taken
- * in case CRC is > 32 bits to leave the top bits 0.
- */
-void /* PRIVATE */
-png_reset_crc(png_structp png_ptr)
-{
- png_ptr->crc = crc32(0, Z_NULL, 0);
-}
-
-/* Calculate the CRC over a section of data. We can only pass as
- * much data to this routine as the largest single buffer size. We
- * also check that this data will actually be used before going to the
- * trouble of calculating it.
- */
-void /* PRIVATE */
-png_calculate_crc(png_structp png_ptr, png_bytep ptr, png_size_t length)
-{
- int need_crc = 1;
-
- if (png_ptr->chunk_name[0] & 0x20) /* ancillary */
- {
- if ((png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_MASK) ==
- (PNG_FLAG_CRC_ANCILLARY_USE | PNG_FLAG_CRC_ANCILLARY_NOWARN))
- need_crc = 0;
- }
- else /* critical */
- {
- if (png_ptr->flags & PNG_FLAG_CRC_CRITICAL_IGNORE)
- need_crc = 0;
- }
-
- if (need_crc)
- png_ptr->crc = crc32(png_ptr->crc, ptr, (uInt)length);
-}
-
-/* Allocate the memory for an info_struct for the application. We don't
- * really need the png_ptr, but it could potentially be useful in the
- * future. This should be used in favour of malloc(png_sizeof(png_info))
- * and png_info_init() so that applications that want to use a shared
- * libpng don't have to be recompiled if png_info changes size.
- */
-png_infop PNGAPI
-png_create_info_struct(png_structp png_ptr)
-{
- png_infop info_ptr;
-
- png_debug(1, "in png_create_info_struct");
- if (png_ptr == NULL)
- return (NULL);
-#ifdef PNG_USER_MEM_SUPPORTED
- info_ptr = (png_infop)png_create_struct_2(PNG_STRUCT_INFO,
- png_ptr->malloc_fn, png_ptr->mem_ptr);
-#else
- info_ptr = (png_infop)png_create_struct(PNG_STRUCT_INFO);
-#endif
- if (info_ptr != NULL)
- png_info_init_3(&info_ptr, png_sizeof(png_info));
-
- return (info_ptr);
-}
-
-/* This function frees the memory associated with a single info struct.
- * Normally, one would use either png_destroy_read_struct() or
- * png_destroy_write_struct() to free an info struct, but this may be
- * useful for some applications.
- */
-void PNGAPI
-png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr)
-{
- png_infop info_ptr = NULL;
- if (png_ptr == NULL)
- return;
-
- png_debug(1, "in png_destroy_info_struct");
- if (info_ptr_ptr != NULL)
- info_ptr = *info_ptr_ptr;
-
- if (info_ptr != NULL)
- {
- png_info_destroy(png_ptr, info_ptr);
-
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2((png_voidp)info_ptr, png_ptr->free_fn,
- png_ptr->mem_ptr);
-#else
- png_destroy_struct((png_voidp)info_ptr);
-#endif
- *info_ptr_ptr = NULL;
- }
-}
-
-/* Initialize the info structure. This is now an internal function (0.89)
- * and applications using it are urged to use png_create_info_struct()
- * instead.
- */
-#if defined(PNG_1_0_X) || defined(PNG_1_2_X)
-#undef png_info_init
-void PNGAPI
-png_info_init(png_infop info_ptr)
-{
- /* We only come here via pre-1.0.12-compiled applications */
- png_info_init_3(&info_ptr, 0);
-}
-#endif
-
-void PNGAPI
-png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size)
-{
- png_infop info_ptr = *ptr_ptr;
-
- if (info_ptr == NULL)
- return;
-
- png_debug(1, "in png_info_init_3");
-
- if (png_sizeof(png_info) > png_info_struct_size)
- {
- png_destroy_struct(info_ptr);
- info_ptr = (png_infop)png_create_struct(PNG_STRUCT_INFO);
- *ptr_ptr = info_ptr;
- }
-
- /* Set everything to 0 */
- png_memset(info_ptr, 0, png_sizeof(png_info));
-}
-
-#ifdef PNG_FREE_ME_SUPPORTED
-void PNGAPI
-png_data_freer(png_structp png_ptr, png_infop info_ptr,
- int freer, png_uint_32 mask)
-{
- png_debug(1, "in png_data_freer");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
- if (freer == PNG_DESTROY_WILL_FREE_DATA)
- info_ptr->free_me |= mask;
- else if (freer == PNG_USER_WILL_FREE_DATA)
- info_ptr->free_me &= ~mask;
- else
- png_warning(png_ptr,
- "Unknown freer parameter in png_data_freer.");
-}
-#endif
-
-void PNGAPI
-png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
- int num)
-{
- png_debug(1, "in png_free_data");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
-#if defined(PNG_TEXT_SUPPORTED)
- /* Free text item num or (if num == -1) all text items */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_TEXT) & info_ptr->free_me)
-#else
- if (mask & PNG_FREE_TEXT)
-#endif
- {
- if (num != -1)
- {
- if (info_ptr->text && info_ptr->text[num].key)
- {
- png_free(png_ptr, info_ptr->text[num].key);
- info_ptr->text[num].key = NULL;
- }
- }
- else
- {
- int i;
- for (i = 0; i < info_ptr->num_text; i++)
- png_free_data(png_ptr, info_ptr, PNG_FREE_TEXT, i);
- png_free(png_ptr, info_ptr->text);
- info_ptr->text = NULL;
- info_ptr->num_text=0;
- }
- }
-#endif
-
-#if defined(PNG_tRNS_SUPPORTED)
- /* Free any tRNS entry */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_TRNS) & info_ptr->free_me)
-#else
- if ((mask & PNG_FREE_TRNS) && (png_ptr->flags & PNG_FLAG_FREE_TRNS))
-#endif
- {
- png_free(png_ptr, info_ptr->trans);
- info_ptr->trans = NULL;
- info_ptr->valid &= ~PNG_INFO_tRNS;
-#ifndef PNG_FREE_ME_SUPPORTED
- png_ptr->flags &= ~PNG_FLAG_FREE_TRNS;
-#endif
- }
-#endif
-
-#if defined(PNG_sCAL_SUPPORTED)
- /* Free any sCAL entry */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_SCAL) & info_ptr->free_me)
-#else
- if (mask & PNG_FREE_SCAL)
-#endif
- {
-#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED)
- png_free(png_ptr, info_ptr->scal_s_width);
- png_free(png_ptr, info_ptr->scal_s_height);
- info_ptr->scal_s_width = NULL;
- info_ptr->scal_s_height = NULL;
-#endif
- info_ptr->valid &= ~PNG_INFO_sCAL;
- }
-#endif
-
-#if defined(PNG_pCAL_SUPPORTED)
- /* Free any pCAL entry */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_PCAL) & info_ptr->free_me)
-#else
- if (mask & PNG_FREE_PCAL)
-#endif
- {
- png_free(png_ptr, info_ptr->pcal_purpose);
- png_free(png_ptr, info_ptr->pcal_units);
- info_ptr->pcal_purpose = NULL;
- info_ptr->pcal_units = NULL;
- if (info_ptr->pcal_params != NULL)
- {
- int i;
- for (i = 0; i < (int)info_ptr->pcal_nparams; i++)
- {
- png_free(png_ptr, info_ptr->pcal_params[i]);
- info_ptr->pcal_params[i]=NULL;
- }
- png_free(png_ptr, info_ptr->pcal_params);
- info_ptr->pcal_params = NULL;
- }
- info_ptr->valid &= ~PNG_INFO_pCAL;
- }
-#endif
-
-#if defined(PNG_iCCP_SUPPORTED)
- /* Free any iCCP entry */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_ICCP) & info_ptr->free_me)
-#else
- if (mask & PNG_FREE_ICCP)
-#endif
- {
- png_free(png_ptr, info_ptr->iccp_name);
- png_free(png_ptr, info_ptr->iccp_profile);
- info_ptr->iccp_name = NULL;
- info_ptr->iccp_profile = NULL;
- info_ptr->valid &= ~PNG_INFO_iCCP;
- }
-#endif
-
-#if defined(PNG_sPLT_SUPPORTED)
- /* Free a given sPLT entry, or (if num == -1) all sPLT entries */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_SPLT) & info_ptr->free_me)
-#else
- if (mask & PNG_FREE_SPLT)
-#endif
- {
- if (num != -1)
- {
- if (info_ptr->splt_palettes)
- {
- png_free(png_ptr, info_ptr->splt_palettes[num].name);
- png_free(png_ptr, info_ptr->splt_palettes[num].entries);
- info_ptr->splt_palettes[num].name = NULL;
- info_ptr->splt_palettes[num].entries = NULL;
- }
- }
- else
- {
- if (info_ptr->splt_palettes_num)
- {
- int i;
- for (i = 0; i < (int)info_ptr->splt_palettes_num; i++)
- png_free_data(png_ptr, info_ptr, PNG_FREE_SPLT, i);
-
- png_free(png_ptr, info_ptr->splt_palettes);
- info_ptr->splt_palettes = NULL;
- info_ptr->splt_palettes_num = 0;
- }
- info_ptr->valid &= ~PNG_INFO_sPLT;
- }
- }
-#endif
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- if (png_ptr->unknown_chunk.data)
- {
- png_free(png_ptr, png_ptr->unknown_chunk.data);
- png_ptr->unknown_chunk.data = NULL;
- }
-
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_UNKN) & info_ptr->free_me)
-#else
- if (mask & PNG_FREE_UNKN)
-#endif
- {
- if (num != -1)
- {
- if (info_ptr->unknown_chunks)
- {
- png_free(png_ptr, info_ptr->unknown_chunks[num].data);
- info_ptr->unknown_chunks[num].data = NULL;
- }
- }
- else
- {
- int i;
-
- if (info_ptr->unknown_chunks_num)
- {
- for (i = 0; i < (int)info_ptr->unknown_chunks_num; i++)
- png_free_data(png_ptr, info_ptr, PNG_FREE_UNKN, i);
-
- png_free(png_ptr, info_ptr->unknown_chunks);
- info_ptr->unknown_chunks = NULL;
- info_ptr->unknown_chunks_num = 0;
- }
- }
- }
-#endif
-
-#if defined(PNG_hIST_SUPPORTED)
- /* Free any hIST entry */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_HIST) & info_ptr->free_me)
-#else
- if ((mask & PNG_FREE_HIST) && (png_ptr->flags & PNG_FLAG_FREE_HIST))
-#endif
- {
- png_free(png_ptr, info_ptr->hist);
- info_ptr->hist = NULL;
- info_ptr->valid &= ~PNG_INFO_hIST;
-#ifndef PNG_FREE_ME_SUPPORTED
- png_ptr->flags &= ~PNG_FLAG_FREE_HIST;
-#endif
- }
-#endif
-
- /* Free any PLTE entry that was internally allocated */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_PLTE) & info_ptr->free_me)
-#else
- if ((mask & PNG_FREE_PLTE) && (png_ptr->flags & PNG_FLAG_FREE_PLTE))
-#endif
- {
- png_zfree(png_ptr, info_ptr->palette);
- info_ptr->palette = NULL;
- info_ptr->valid &= ~PNG_INFO_PLTE;
-#ifndef PNG_FREE_ME_SUPPORTED
- png_ptr->flags &= ~PNG_FLAG_FREE_PLTE;
-#endif
- info_ptr->num_palette = 0;
- }
-
-#if defined(PNG_INFO_IMAGE_SUPPORTED)
- /* Free any image bits attached to the info structure */
-#ifdef PNG_FREE_ME_SUPPORTED
- if ((mask & PNG_FREE_ROWS) & info_ptr->free_me)
-#else
- if (mask & PNG_FREE_ROWS)
-#endif
- {
- if (info_ptr->row_pointers)
- {
- int row;
- for (row = 0; row < (int)info_ptr->height; row++)
- {
- png_free(png_ptr, info_ptr->row_pointers[row]);
- info_ptr->row_pointers[row]=NULL;
- }
- png_free(png_ptr, info_ptr->row_pointers);
- info_ptr->row_pointers=NULL;
- }
- info_ptr->valid &= ~PNG_INFO_IDAT;
- }
-#endif
-
-#ifdef PNG_FREE_ME_SUPPORTED
- if (num == -1)
- info_ptr->free_me &= ~mask;
- else
- info_ptr->free_me &= ~(mask & ~PNG_FREE_MUL);
-#endif
-}
-
-/* This is an internal routine to free any memory that the info struct is
- * pointing to before re-using it or freeing the struct itself. Recall
- * that png_free() checks for NULL pointers for us.
- */
-void /* PRIVATE */
-png_info_destroy(png_structp png_ptr, png_infop info_ptr)
-{
- png_debug(1, "in png_info_destroy");
-
- png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1);
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- if (png_ptr->num_chunk_list)
- {
- png_free(png_ptr, png_ptr->chunk_list);
- png_ptr->chunk_list=NULL;
- png_ptr->num_chunk_list = 0;
- }
-#endif
-
- png_info_init_3(&info_ptr, png_sizeof(png_info));
-}
-#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */
-
-/* This function returns a pointer to the io_ptr associated with the user
- * functions. The application should free any memory associated with this
- * pointer before png_write_destroy() or png_read_destroy() are called.
- */
-png_voidp PNGAPI
-png_get_io_ptr(png_structp png_ptr)
-{
- if (png_ptr == NULL)
- return (NULL);
- return (png_ptr->io_ptr);
-}
-
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-#if !defined(PNG_NO_STDIO)
-/* Initialize the default input/output functions for the PNG file. If you
- * use your own read or write routines, you can call either png_set_read_fn()
- * or png_set_write_fn() instead of png_init_io(). If you have defined
- * PNG_NO_STDIO, you must use a function of your own because "FILE *" isn't
- * necessarily available.
- */
-void PNGAPI
-png_init_io(png_structp png_ptr, png_FILE_p fp)
-{
- png_debug(1, "in png_init_io");
- if (png_ptr == NULL)
- return;
- png_ptr->io_ptr = (png_voidp)fp;
-}
-#endif
-
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
-/* Convert the supplied time into an RFC 1123 string suitable for use in
- * a "Creation Time" or other text-based time string.
- */
-png_charp PNGAPI
-png_convert_to_rfc1123(png_structp png_ptr, png_timep ptime)
-{
- static PNG_CONST char short_months[12][4] =
- {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
-
- if (png_ptr == NULL)
- return (NULL);
- if (png_ptr->time_buffer == NULL)
- {
- png_ptr->time_buffer = (png_charp)png_malloc(png_ptr, (png_uint_32)(29*
- png_sizeof(char)));
- }
-
-#if defined(_WIN32_WCE)
- {
- wchar_t time_buf[29];
- wsprintf(time_buf, TEXT("%d %S %d %02d:%02d:%02d +0000"),
- ptime->day % 32, short_months[(ptime->month - 1) % 12],
- ptime->year, ptime->hour % 24, ptime->minute % 60,
- ptime->second % 61);
- WideCharToMultiByte(CP_ACP, 0, time_buf, -1, png_ptr->time_buffer, 29,
- NULL, NULL);
- }
-#else
-#ifdef USE_FAR_KEYWORD
- {
- char near_time_buf[29];
- png_snprintf6(near_time_buf, 29, "%d %s %d %02d:%02d:%02d +0000",
- ptime->day % 32, short_months[(ptime->month - 1) % 12],
- ptime->year, ptime->hour % 24, ptime->minute % 60,
- ptime->second % 61);
- png_memcpy(png_ptr->time_buffer, near_time_buf,
- 29*png_sizeof(char));
- }
-#else
- png_snprintf6(png_ptr->time_buffer, 29, "%d %s %d %02d:%02d:%02d +0000",
- ptime->day % 32, short_months[(ptime->month - 1) % 12],
- ptime->year, ptime->hour % 24, ptime->minute % 60,
- ptime->second % 61);
-#endif
-#endif /* _WIN32_WCE */
- return ((png_charp)png_ptr->time_buffer);
-}
-#endif /* PNG_TIME_RFC1123_SUPPORTED */
-
-#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */
-
-png_charp PNGAPI
-png_get_copyright(png_structp png_ptr)
-{
- png_ptr = png_ptr; /* Silence compiler warning about unused png_ptr */
- return ((png_charp) "\n libpng version 1.2.37 - June 4, 2009\n\
- Copyright (c) 1998-2009 Glenn Randers-Pehrson\n\
- Copyright (c) 1996-1997 Andreas Dilger\n\
- Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
-}
-
-/* The following return the library version as a short string in the
- * format 1.0.0 through 99.99.99zz. To get the version of *.h files
- * used with your application, print out PNG_LIBPNG_VER_STRING, which
- * is defined in png.h.
- * Note: now there is no difference between png_get_libpng_ver() and
- * png_get_header_ver(). Due to the version_nn_nn_nn typedef guard,
- * it is guaranteed that png.c uses the correct version of png.h.
- */
-png_charp PNGAPI
-png_get_libpng_ver(png_structp png_ptr)
-{
- /* Version of *.c files used when building libpng */
- png_ptr = png_ptr; /* Silence compiler warning about unused png_ptr */
- return ((png_charp) PNG_LIBPNG_VER_STRING);
-}
-
-png_charp PNGAPI
-png_get_header_ver(png_structp png_ptr)
-{
- /* Version of *.h files used when building libpng */
- png_ptr = png_ptr; /* Silence compiler warning about unused png_ptr */
- return ((png_charp) PNG_LIBPNG_VER_STRING);
-}
-
-png_charp PNGAPI
-png_get_header_version(png_structp png_ptr)
-{
- /* Returns longer string containing both version and date */
- png_ptr = png_ptr; /* Silence compiler warning about unused png_ptr */
- return ((png_charp) PNG_HEADER_VERSION_STRING
-#ifndef PNG_READ_SUPPORTED
- " (NO READ SUPPORT)"
-#endif
- "\n");
-}
-
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
-int PNGAPI
-png_handle_as_unknown(png_structp png_ptr, png_bytep chunk_name)
-{
- /* Check chunk_name and return "keep" value if it's on the list, else 0 */
- int i;
- png_bytep p;
- if (png_ptr == NULL || chunk_name == NULL || png_ptr->num_chunk_list<=0)
- return 0;
- p = png_ptr->chunk_list + png_ptr->num_chunk_list*5 - 5;
- for (i = png_ptr->num_chunk_list; i; i--, p -= 5)
- if (!png_memcmp(chunk_name, p, 4))
- return ((int)*(p + 4));
- return 0;
-}
-#endif
-
-/* This function, added to libpng-1.0.6g, is untested. */
-int PNGAPI
-png_reset_zstream(png_structp png_ptr)
-{
- if (png_ptr == NULL)
- return Z_STREAM_ERROR;
- return (inflateReset(&png_ptr->zstream));
-}
-#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */
-
-/* This function was added to libpng-1.0.7 */
-png_uint_32 PNGAPI
-png_access_version_number(void)
-{
- /* Version of *.c files used when building libpng */
- return((png_uint_32) PNG_LIBPNG_VER);
-}
-
-
-#if defined(PNG_READ_SUPPORTED) && defined(PNG_ASSEMBLER_CODE_SUPPORTED)
-#if !defined(PNG_1_0_X)
-/* This function was added to libpng 1.2.0 */
-int PNGAPI
-png_mmx_support(void)
-{
- /* Obsolete, to be removed from libpng-1.4.0 */
- return -1;
-}
-#endif /* PNG_1_0_X */
-#endif /* PNG_READ_SUPPORTED && PNG_ASSEMBLER_CODE_SUPPORTED */
-
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-#ifdef PNG_SIZE_T
-/* Added at libpng version 1.2.6 */
- PNG_EXTERN png_size_t PNGAPI png_convert_size PNGARG((size_t size));
-png_size_t PNGAPI
-png_convert_size(size_t size)
-{
- if (size > (png_size_t)-1)
- PNG_ABORT(); /* We haven't got access to png_ptr, so no png_error() */
- return ((png_size_t)size);
-}
-#endif /* PNG_SIZE_T */
-
-/* Added at libpng version 1.2.34 and 1.4.0 (moved from pngset.c) */
-#if defined(PNG_cHRM_SUPPORTED)
-#if !defined(PNG_NO_CHECK_cHRM)
-
-/*
- * Multiply two 32-bit numbers, V1 and V2, using 32-bit
- * arithmetic, to produce a 64 bit result in the HI/LO words.
- *
- * A B
- * x C D
- * ------
- * AD || BD
- * AC || CB || 0
- *
- * where A and B are the high and low 16-bit words of V1,
- * C and D are the 16-bit words of V2, AD is the product of
- * A and D, and X || Y is (X << 16) + Y.
-*/
-
-void png_64bit_product (long v1, long v2, unsigned long *hi_product,
- unsigned long *lo_product)
-{
- int a, b, c, d;
- long lo, hi, x, y;
-
- a = (v1 >> 16) & 0xffff;
- b = v1 & 0xffff;
- c = (v2 >> 16) & 0xffff;
- d = v2 & 0xffff;
-
- lo = b * d; /* BD */
- x = a * d + c * b; /* AD + CB */
- y = ((lo >> 16) & 0xffff) + x;
-
- lo = (lo & 0xffff) | ((y & 0xffff) << 16);
- hi = (y >> 16) & 0xffff;
-
- hi += a * c; /* AC */
-
- *hi_product = (unsigned long)hi;
- *lo_product = (unsigned long)lo;
-}
-
-int /* private */
-png_check_cHRM_fixed(png_structp png_ptr,
- png_fixed_point white_x, png_fixed_point white_y, png_fixed_point red_x,
- png_fixed_point red_y, png_fixed_point green_x, png_fixed_point green_y,
- png_fixed_point blue_x, png_fixed_point blue_y)
-{
- int ret = 1;
- unsigned long xy_hi,xy_lo,yx_hi,yx_lo;
-
- png_debug(1, "in function png_check_cHRM_fixed");
- if (png_ptr == NULL)
- return 0;
-
- if (white_x < 0 || white_y <= 0 ||
- red_x < 0 || red_y < 0 ||
- green_x < 0 || green_y < 0 ||
- blue_x < 0 || blue_y < 0)
- {
- png_warning(png_ptr,
- "Ignoring attempt to set negative chromaticity value");
- ret = 0;
- }
- if (white_x > (png_fixed_point) PNG_UINT_31_MAX ||
- white_y > (png_fixed_point) PNG_UINT_31_MAX ||
- red_x > (png_fixed_point) PNG_UINT_31_MAX ||
- red_y > (png_fixed_point) PNG_UINT_31_MAX ||
- green_x > (png_fixed_point) PNG_UINT_31_MAX ||
- green_y > (png_fixed_point) PNG_UINT_31_MAX ||
- blue_x > (png_fixed_point) PNG_UINT_31_MAX ||
- blue_y > (png_fixed_point) PNG_UINT_31_MAX )
- {
- png_warning(png_ptr,
- "Ignoring attempt to set chromaticity value exceeding 21474.83");
- ret = 0;
- }
- if (white_x > 100000L - white_y)
- {
- png_warning(png_ptr, "Invalid cHRM white point");
- ret = 0;
- }
- if (red_x > 100000L - red_y)
- {
- png_warning(png_ptr, "Invalid cHRM red point");
- ret = 0;
- }
- if (green_x > 100000L - green_y)
- {
- png_warning(png_ptr, "Invalid cHRM green point");
- ret = 0;
- }
- if (blue_x > 100000L - blue_y)
- {
- png_warning(png_ptr, "Invalid cHRM blue point");
- ret = 0;
- }
-
- png_64bit_product(green_x - red_x, blue_y - red_y, &xy_hi, &xy_lo);
- png_64bit_product(green_y - red_y, blue_x - red_x, &yx_hi, &yx_lo);
-
- if (xy_hi == yx_hi && xy_lo == yx_lo)
- {
- png_warning(png_ptr,
- "Ignoring attempt to set cHRM RGB triangle with zero area");
- ret = 0;
- }
-
- return ret;
-}
-#endif /* NO_PNG_CHECK_cHRM */
-#endif /* PNG_cHRM_SUPPORTED */
-#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */
+++ /dev/null
-/* png.h - header file for PNG reference library
- *
- * libpng version 1.2.37 - June 4, 2009
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * Authors and maintainers:
- * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
- * libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- * libpng versions 0.97, January 1998, through 1.2.37 - June 4, 2009: Glenn
- * See also "Contributing Authors", below.
- *
- * Note about libpng version numbers:
- *
- * Due to various miscommunications, unforeseen code incompatibilities
- * and occasional factors outside the authors' control, version numbering
- * on the library has not always been consistent and straightforward.
- * The following table summarizes matters since version 0.89c, which was
- * the first widely used release:
- *
- * source png.h png.h shared-lib
- * version string int version
- * ------- ------ ----- ----------
- * 0.89c "1.0 beta 3" 0.89 89 1.0.89
- * 0.90 "1.0 beta 4" 0.90 90 0.90 [should have been 2.0.90]
- * 0.95 "1.0 beta 5" 0.95 95 0.95 [should have been 2.0.95]
- * 0.96 "1.0 beta 6" 0.96 96 0.96 [should have been 2.0.96]
- * 0.97b "1.00.97 beta 7" 1.00.97 97 1.0.1 [should have been 2.0.97]
- * 0.97c 0.97 97 2.0.97
- * 0.98 0.98 98 2.0.98
- * 0.99 0.99 98 2.0.99
- * 0.99a-m 0.99 99 2.0.99
- * 1.00 1.00 100 2.1.0 [100 should be 10000]
- * 1.0.0 (from here on, the 100 2.1.0 [100 should be 10000]
- * 1.0.1 png.h string is 10001 2.1.0
- * 1.0.1a-e identical to the 10002 from here on, the shared library
- * 1.0.2 source version) 10002 is 2.V where V is the source code
- * 1.0.2a-b 10003 version, except as noted.
- * 1.0.3 10003
- * 1.0.3a-d 10004
- * 1.0.4 10004
- * 1.0.4a-f 10005
- * 1.0.5 (+ 2 patches) 10005
- * 1.0.5a-d 10006
- * 1.0.5e-r 10100 (not source compatible)
- * 1.0.5s-v 10006 (not binary compatible)
- * 1.0.6 (+ 3 patches) 10006 (still binary incompatible)
- * 1.0.6d-f 10007 (still binary incompatible)
- * 1.0.6g 10007
- * 1.0.6h 10007 10.6h (testing xy.z so-numbering)
- * 1.0.6i 10007 10.6i
- * 1.0.6j 10007 2.1.0.6j (incompatible with 1.0.0)
- * 1.0.7beta11-14 DLLNUM 10007 2.1.0.7beta11-14 (binary compatible)
- * 1.0.7beta15-18 1 10007 2.1.0.7beta15-18 (binary compatible)
- * 1.0.7rc1-2 1 10007 2.1.0.7rc1-2 (binary compatible)
- * 1.0.7 1 10007 (still compatible)
- * 1.0.8beta1-4 1 10008 2.1.0.8beta1-4
- * 1.0.8rc1 1 10008 2.1.0.8rc1
- * 1.0.8 1 10008 2.1.0.8
- * 1.0.9beta1-6 1 10009 2.1.0.9beta1-6
- * 1.0.9rc1 1 10009 2.1.0.9rc1
- * 1.0.9beta7-10 1 10009 2.1.0.9beta7-10
- * 1.0.9rc2 1 10009 2.1.0.9rc2
- * 1.0.9 1 10009 2.1.0.9
- * 1.0.10beta1 1 10010 2.1.0.10beta1
- * 1.0.10rc1 1 10010 2.1.0.10rc1
- * 1.0.10 1 10010 2.1.0.10
- * 1.0.11beta1-3 1 10011 2.1.0.11beta1-3
- * 1.0.11rc1 1 10011 2.1.0.11rc1
- * 1.0.11 1 10011 2.1.0.11
- * 1.0.12beta1-2 2 10012 2.1.0.12beta1-2
- * 1.0.12rc1 2 10012 2.1.0.12rc1
- * 1.0.12 2 10012 2.1.0.12
- * 1.1.0a-f - 10100 2.1.1.0a-f (branch abandoned)
- * 1.2.0beta1-2 2 10200 2.1.2.0beta1-2
- * 1.2.0beta3-5 3 10200 3.1.2.0beta3-5
- * 1.2.0rc1 3 10200 3.1.2.0rc1
- * 1.2.0 3 10200 3.1.2.0
- * 1.2.1beta1-4 3 10201 3.1.2.1beta1-4
- * 1.2.1rc1-2 3 10201 3.1.2.1rc1-2
- * 1.2.1 3 10201 3.1.2.1
- * 1.2.2beta1-6 12 10202 12.so.0.1.2.2beta1-6
- * 1.0.13beta1 10 10013 10.so.0.1.0.13beta1
- * 1.0.13rc1 10 10013 10.so.0.1.0.13rc1
- * 1.2.2rc1 12 10202 12.so.0.1.2.2rc1
- * 1.0.13 10 10013 10.so.0.1.0.13
- * 1.2.2 12 10202 12.so.0.1.2.2
- * 1.2.3rc1-6 12 10203 12.so.0.1.2.3rc1-6
- * 1.2.3 12 10203 12.so.0.1.2.3
- * 1.2.4beta1-3 13 10204 12.so.0.1.2.4beta1-3
- * 1.0.14rc1 13 10014 10.so.0.1.0.14rc1
- * 1.2.4rc1 13 10204 12.so.0.1.2.4rc1
- * 1.0.14 10 10014 10.so.0.1.0.14
- * 1.2.4 13 10204 12.so.0.1.2.4
- * 1.2.5beta1-2 13 10205 12.so.0.1.2.5beta1-2
- * 1.0.15rc1-3 10 10015 10.so.0.1.0.15rc1-3
- * 1.2.5rc1-3 13 10205 12.so.0.1.2.5rc1-3
- * 1.0.15 10 10015 10.so.0.1.0.15
- * 1.2.5 13 10205 12.so.0.1.2.5
- * 1.2.6beta1-4 13 10206 12.so.0.1.2.6beta1-4
- * 1.0.16 10 10016 10.so.0.1.0.16
- * 1.2.6 13 10206 12.so.0.1.2.6
- * 1.2.7beta1-2 13 10207 12.so.0.1.2.7beta1-2
- * 1.0.17rc1 10 10017 10.so.0.1.0.17rc1
- * 1.2.7rc1 13 10207 12.so.0.1.2.7rc1
- * 1.0.17 10 10017 10.so.0.1.0.17
- * 1.2.7 13 10207 12.so.0.1.2.7
- * 1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5
- * 1.0.18rc1-5 10 10018 10.so.0.1.0.18rc1-5
- * 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5
- * 1.0.18 10 10018 10.so.0.1.0.18
- * 1.2.8 13 10208 12.so.0.1.2.8
- * 1.2.9beta1-3 13 10209 12.so.0.1.2.9beta1-3
- * 1.2.9beta4-11 13 10209 12.so.0.9[.0]
- * 1.2.9rc1 13 10209 12.so.0.9[.0]
- * 1.2.9 13 10209 12.so.0.9[.0]
- * 1.2.10beta1-8 13 10210 12.so.0.10[.0]
- * 1.2.10rc1-3 13 10210 12.so.0.10[.0]
- * 1.2.10 13 10210 12.so.0.10[.0]
- * 1.2.11beta1-4 13 10211 12.so.0.11[.0]
- * 1.0.19rc1-5 10 10019 10.so.0.19[.0]
- * 1.2.11rc1-5 13 10211 12.so.0.11[.0]
- * 1.0.19 10 10019 10.so.0.19[.0]
- * 1.2.11 13 10211 12.so.0.11[.0]
- * 1.0.20 10 10020 10.so.0.20[.0]
- * 1.2.12 13 10212 12.so.0.12[.0]
- * 1.2.13beta1 13 10213 12.so.0.13[.0]
- * 1.0.21 10 10021 10.so.0.21[.0]
- * 1.2.13 13 10213 12.so.0.13[.0]
- * 1.2.14beta1-2 13 10214 12.so.0.14[.0]
- * 1.0.22rc1 10 10022 10.so.0.22[.0]
- * 1.2.14rc1 13 10214 12.so.0.14[.0]
- * 1.0.22 10 10022 10.so.0.22[.0]
- * 1.2.14 13 10214 12.so.0.14[.0]
- * 1.2.15beta1-6 13 10215 12.so.0.15[.0]
- * 1.0.23rc1-5 10 10023 10.so.0.23[.0]
- * 1.2.15rc1-5 13 10215 12.so.0.15[.0]
- * 1.0.23 10 10023 10.so.0.23[.0]
- * 1.2.15 13 10215 12.so.0.15[.0]
- * 1.2.16beta1-2 13 10216 12.so.0.16[.0]
- * 1.2.16rc1 13 10216 12.so.0.16[.0]
- * 1.0.24 10 10024 10.so.0.24[.0]
- * 1.2.16 13 10216 12.so.0.16[.0]
- * 1.2.17beta1-2 13 10217 12.so.0.17[.0]
- * 1.0.25rc1 10 10025 10.so.0.25[.0]
- * 1.2.17rc1-3 13 10217 12.so.0.17[.0]
- * 1.0.25 10 10025 10.so.0.25[.0]
- * 1.2.17 13 10217 12.so.0.17[.0]
- * 1.0.26 10 10026 10.so.0.26[.0]
- * 1.2.18 13 10218 12.so.0.18[.0]
- * 1.2.19beta1-31 13 10219 12.so.0.19[.0]
- * 1.0.27rc1-6 10 10027 10.so.0.27[.0]
- * 1.2.19rc1-6 13 10219 12.so.0.19[.0]
- * 1.0.27 10 10027 10.so.0.27[.0]
- * 1.2.19 13 10219 12.so.0.19[.0]
- * 1.2.20beta01-04 13 10220 12.so.0.20[.0]
- * 1.0.28rc1-6 10 10028 10.so.0.28[.0]
- * 1.2.20rc1-6 13 10220 12.so.0.20[.0]
- * 1.0.28 10 10028 10.so.0.28[.0]
- * 1.2.20 13 10220 12.so.0.20[.0]
- * 1.2.21beta1-2 13 10221 12.so.0.21[.0]
- * 1.2.21rc1-3 13 10221 12.so.0.21[.0]
- * 1.0.29 10 10029 10.so.0.29[.0]
- * 1.2.21 13 10221 12.so.0.21[.0]
- * 1.2.22beta1-4 13 10222 12.so.0.22[.0]
- * 1.0.30rc1 10 10030 10.so.0.30[.0]
- * 1.2.22rc1 13 10222 12.so.0.22[.0]
- * 1.0.30 10 10030 10.so.0.30[.0]
- * 1.2.22 13 10222 12.so.0.22[.0]
- * 1.2.23beta01-05 13 10223 12.so.0.23[.0]
- * 1.2.23rc01 13 10223 12.so.0.23[.0]
- * 1.2.23 13 10223 12.so.0.23[.0]
- * 1.2.24beta01-02 13 10224 12.so.0.24[.0]
- * 1.2.24rc01 13 10224 12.so.0.24[.0]
- * 1.2.24 13 10224 12.so.0.24[.0]
- * 1.2.25beta01-06 13 10225 12.so.0.25[.0]
- * 1.2.25rc01-02 13 10225 12.so.0.25[.0]
- * 1.0.31 10 10031 10.so.0.31[.0]
- * 1.2.25 13 10225 12.so.0.25[.0]
- * 1.2.26beta01-06 13 10226 12.so.0.26[.0]
- * 1.2.26rc01 13 10226 12.so.0.26[.0]
- * 1.2.26 13 10226 12.so.0.26[.0]
- * 1.0.32 10 10032 10.so.0.32[.0]
- * 1.2.27beta01-06 13 10227 12.so.0.27[.0]
- * 1.2.27rc01 13 10227 12.so.0.27[.0]
- * 1.0.33 10 10033 10.so.0.33[.0]
- * 1.2.27 13 10227 12.so.0.27[.0]
- * 1.0.34 10 10034 10.so.0.34[.0]
- * 1.2.28 13 10228 12.so.0.28[.0]
- * 1.2.29beta01-03 13 10229 12.so.0.29[.0]
- * 1.2.29rc01 13 10229 12.so.0.29[.0]
- * 1.0.35 10 10035 10.so.0.35[.0]
- * 1.2.29 13 10229 12.so.0.29[.0]
- * 1.0.37 10 10037 10.so.0.37[.0]
- * 1.2.30beta01-04 13 10230 12.so.0.30[.0]
- * 1.0.38rc01-08 10 10038 10.so.0.38[.0]
- * 1.2.30rc01-08 13 10230 12.so.0.30[.0]
- * 1.0.38 10 10038 10.so.0.38[.0]
- * 1.2.30 13 10230 12.so.0.30[.0]
- * 1.0.39rc01-03 10 10039 10.so.0.39[.0]
- * 1.2.31rc01-03 13 10231 12.so.0.31[.0]
- * 1.0.39 10 10039 10.so.0.39[.0]
- * 1.2.31 13 10231 12.so.0.31[.0]
- * 1.2.32beta01-02 13 10232 12.so.0.32[.0]
- * 1.0.40rc01 10 10040 10.so.0.40[.0]
- * 1.2.32rc01 13 10232 12.so.0.32[.0]
- * 1.0.40 10 10040 10.so.0.40[.0]
- * 1.2.32 13 10232 12.so.0.32[.0]
- * 1.2.33beta01-02 13 10233 12.so.0.33[.0]
- * 1.2.33rc01-02 13 10233 12.so.0.33[.0]
- * 1.0.41rc01 10 10041 10.so.0.41[.0]
- * 1.2.33 13 10233 12.so.0.33[.0]
- * 1.0.41 10 10041 10.so.0.41[.0]
- * 1.2.34beta01-07 13 10234 12.so.0.34[.0]
- * 1.0.42rc01 10 10042 10.so.0.42[.0]
- * 1.2.34rc01 13 10234 12.so.0.34[.0]
- * 1.0.42 10 10042 10.so.0.42[.0]
- * 1.2.34 13 10234 12.so.0.34[.0]
- * 1.2.35beta01-03 13 10235 12.so.0.35[.0]
- * 1.0.43rc01-02 10 10043 10.so.0.43[.0]
- * 1.2.35rc01-02 13 10235 12.so.0.35[.0]
- * 1.0.43 10 10043 10.so.0.43[.0]
- * 1.2.35 13 10235 12.so.0.35[.0]
- * 1.2.36beta01-05 13 10236 12.so.0.36[.0]
- * 1.2.36rc01 13 10236 12.so.0.36[.0]
- * 1.0.44 10 10044 10.so.0.44[.0]
- * 1.2.36 13 10236 12.so.0.36[.0]
- * 1.2.37beta01-03 13 10237 12.so.0.37[.0]
- * 1.2.37rc01 13 10237 12.so.0.37[.0]
- * 1.2.37 13 10237 12.so.0.37[.0]
- *
- * Henceforth the source version will match the shared-library major
- * and minor numbers; the shared-library major version number will be
- * used for changes in backward compatibility, as it is intended. The
- * PNG_LIBPNG_VER macro, which is not used within libpng but is available
- * for applications, is an unsigned integer of the form xyyzz corresponding
- * to the source version x.y.z (leading zeros in y and z). Beta versions
- * were given the previous public release number plus a letter, until
- * version 1.0.6j; from then on they were given the upcoming public
- * release number plus "betaNN" or "rcNN".
- *
- * Binary incompatibility exists only when applications make direct access
- * to the info_ptr or png_ptr members through png.h, and the compiled
- * application is loaded with a different version of the library.
- *
- * DLLNUM will change each time there are forward or backward changes
- * in binary compatibility (e.g., when a new feature is added).
- *
- * See libpng.txt or libpng.3 for more information. The PNG specification
- * is available as a W3C Recommendation and as an ISO Specification,
- * <http://www.w3.org/TR/2003/REC-PNG-20031110/
- */
-
-/*
- * COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
- *
- * If you modify libpng you may insert additional notices immediately following
- * this sentence.
- *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.37, June 4, 2009, are
- * Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
- * distributed according to the same disclaimer and license as libpng-1.2.5
- * with the following individual added to the list of Contributing Authors:
- *
- * Cosmin Truta
- *
- * libpng versions 1.0.7, July 1, 2000, through 1.2.5, October 3, 2002, are
- * Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
- * distributed according to the same disclaimer and license as libpng-1.0.6
- * with the following individuals added to the list of Contributing Authors:
- *
- * Simon-Pierre Cadieux
- * Eric S. Raymond
- * Gilles Vollant
- *
- * and with the following additions to the disclaimer:
- *
- * There is no warranty against interference with your enjoyment of the
- * library or against infringement. There is no warranty that our
- * efforts or the library will fulfill any of your particular purposes
- * or needs. This library is provided with all faults, and the entire
- * risk of satisfactory quality, performance, accuracy, and effort is with
- * the user.
- *
- * libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
- * Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson, and are
- * distributed according to the same disclaimer and license as libpng-0.96,
- * with the following individuals added to the list of Contributing Authors:
- *
- * Tom Lane
- * Glenn Randers-Pehrson
- * Willem van Schaik
- *
- * libpng versions 0.89, June 1996, through 0.96, May 1997, are
- * Copyright (c) 1996, 1997 Andreas Dilger
- * Distributed according to the same disclaimer and license as libpng-0.88,
- * with the following individuals added to the list of Contributing Authors:
- *
- * John Bowler
- * Kevin Bracey
- * Sam Bushell
- * Magnus Holmgren
- * Greg Roelofs
- * Tom Tanner
- *
- * libpng versions 0.5, May 1995, through 0.88, January 1996, are
- * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
- *
- * For the purposes of this copyright and license, "Contributing Authors"
- * is defined as the following set of individuals:
- *
- * Andreas Dilger
- * Dave Martindale
- * Guy Eric Schalnat
- * Paul Schmidt
- * Tim Wegner
- *
- * The PNG Reference Library is supplied "AS IS". The Contributing Authors
- * and Group 42, Inc. disclaim all warranties, expressed or implied,
- * including, without limitation, the warranties of merchantability and of
- * fitness for any purpose. The Contributing Authors and Group 42, Inc.
- * assume no liability for direct, indirect, incidental, special, exemplary,
- * or consequential damages, which may result from the use of the PNG
- * Reference Library, even if advised of the possibility of such damage.
- *
- * Permission is hereby granted to use, copy, modify, and distribute this
- * source code, or portions hereof, for any purpose, without fee, subject
- * to the following restrictions:
- *
- * 1. The origin of this source code must not be misrepresented.
- *
- * 2. Altered versions must be plainly marked as such and
- * must not be misrepresented as being the original source.
- *
- * 3. This Copyright notice may not be removed or altered from
- * any source or altered source distribution.
- *
- * The Contributing Authors and Group 42, Inc. specifically permit, without
- * fee, and encourage the use of this source code as a component to
- * supporting the PNG file format in commercial products. If you use this
- * source code in a product, acknowledgment is not required but would be
- * appreciated.
- */
-
-/*
- * A "png_get_copyright" function is available, for convenient use in "about"
- * boxes and the like:
- *
- * printf("%s",png_get_copyright(NULL));
- *
- * Also, the PNG logo (in PNG format, of course) is supplied in the
- * files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
- */
-
-/*
- * Libpng is OSI Certified Open Source Software. OSI Certified is a
- * certification mark of the Open Source Initiative.
- */
-
-/*
- * The contributing authors would like to thank all those who helped
- * with testing, bug fixes, and patience. This wouldn't have been
- * possible without all of you.
- *
- * Thanks to Frank J. T. Wojcik for helping with the documentation.
- */
-
-/*
- * Y2K compliance in libpng:
- * =========================
- *
- * June 4, 2009
- *
- * Since the PNG Development group is an ad-hoc body, we can't make
- * an official declaration.
- *
- * This is your unofficial assurance that libpng from version 0.71 and
- * upward through 1.2.37 are Y2K compliant. It is my belief that earlier
- * versions were also Y2K compliant.
- *
- * Libpng only has three year fields. One is a 2-byte unsigned integer
- * that will hold years up to 65535. The other two hold the date in text
- * format, and will hold years up to 9999.
- *
- * The integer is
- * "png_uint_16 year" in png_time_struct.
- *
- * The strings are
- * "png_charp time_buffer" in png_struct and
- * "near_time_buffer", which is a local character string in png.c.
- *
- * There are seven time-related functions:
- * png.c: png_convert_to_rfc_1123() in png.c
- * (formerly png_convert_to_rfc_1152() in error)
- * png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c
- * png_convert_from_time_t() in pngwrite.c
- * png_get_tIME() in pngget.c
- * png_handle_tIME() in pngrutil.c, called in pngread.c
- * png_set_tIME() in pngset.c
- * png_write_tIME() in pngwutil.c, called in pngwrite.c
- *
- * All handle dates properly in a Y2K environment. The
- * png_convert_from_time_t() function calls gmtime() to convert from system
- * clock time, which returns (year - 1900), which we properly convert to
- * the full 4-digit year. There is a possibility that applications using
- * libpng are not passing 4-digit years into the png_convert_to_rfc_1123()
- * function, or that they are incorrectly passing only a 2-digit year
- * instead of "year - 1900" into the png_convert_from_struct_tm() function,
- * but this is not under our control. The libpng documentation has always
- * stated that it works with 4-digit years, and the APIs have been
- * documented as such.
- *
- * The tIME chunk itself is also Y2K compliant. It uses a 2-byte unsigned
- * integer to hold the year, and can hold years as large as 65535.
- *
- * zlib, upon which libpng depends, is also Y2K compliant. It contains
- * no date-related code.
- *
- * Glenn Randers-Pehrson
- * libpng maintainer
- * PNG Development Group
- */
-
-#ifndef PNG_H
-#define PNG_H
-
-/* This is not the place to learn how to use libpng. The file libpng.txt
- * describes how to use libpng, and the file example.c summarizes it
- * with some code on which to build. This file is useful for looking
- * at the actual function definitions and structure components.
- */
-
-/* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.37"
-#define PNG_HEADER_VERSION_STRING \
- " libpng version 1.2.37 - June 4, 2009\n"
-
-#define PNG_LIBPNG_VER_SONUM 0
-#define PNG_LIBPNG_VER_DLLNUM 13
-
-/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
-#define PNG_LIBPNG_VER_MAJOR 1
-#define PNG_LIBPNG_VER_MINOR 2
-#define PNG_LIBPNG_VER_RELEASE 37
-/* This should match the numeric part of the final component of
- * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
-
-#define PNG_LIBPNG_VER_BUILD 0
-
-/* Release Status */
-#define PNG_LIBPNG_BUILD_ALPHA 1
-#define PNG_LIBPNG_BUILD_BETA 2
-#define PNG_LIBPNG_BUILD_RC 3
-#define PNG_LIBPNG_BUILD_STABLE 4
-#define PNG_LIBPNG_BUILD_RELEASE_STATUS_MASK 7
-
-/* Release-Specific Flags */
-#define PNG_LIBPNG_BUILD_PATCH 8 /* Can be OR'ed with
- PNG_LIBPNG_BUILD_STABLE only */
-#define PNG_LIBPNG_BUILD_PRIVATE 16 /* Cannot be OR'ed with
- PNG_LIBPNG_BUILD_SPECIAL */
-#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
- PNG_LIBPNG_BUILD_PRIVATE */
-
-#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
-
-/* Careful here. At one time, Guy wanted to use 082, but that would be octal.
- * We must not include leading zeros.
- * Versions 0.7 through 1.0.0 were in the range 0 to 100 here (only
- * version 1.0.0 was mis-numbered 100 instead of 10000). From
- * version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */
-#define PNG_LIBPNG_VER 10237 /* 1.2.37 */
-
-#ifndef PNG_VERSION_INFO_ONLY
-/* include the compression library's header */
-#include "zlib.h"
-#endif
-
-/* include all user configurable info, including optional assembler routines */
-#include "pngconf.h"
-
-/*
- * Added at libpng-1.2.8 */
-/* Ref MSDN: Private as priority over Special
- * VS_FF_PRIVATEBUILD File *was not* built using standard release
- * procedures. If this value is given, the StringFileInfo block must
- * contain a PrivateBuild string.
- *
- * VS_FF_SPECIALBUILD File *was* built by the original company using
- * standard release procedures but is a variation of the standard
- * file of the same version number. If this value is given, the
- * StringFileInfo block must contain a SpecialBuild string.
- */
-
-#if defined(PNG_USER_PRIVATEBUILD)
-# define PNG_LIBPNG_BUILD_TYPE \
- (PNG_LIBPNG_BUILD_BASE_TYPE | PNG_LIBPNG_BUILD_PRIVATE)
-#else
-# if defined(PNG_LIBPNG_SPECIALBUILD)
-# define PNG_LIBPNG_BUILD_TYPE \
- (PNG_LIBPNG_BUILD_BASE_TYPE | PNG_LIBPNG_BUILD_SPECIAL)
-# else
-# define PNG_LIBPNG_BUILD_TYPE (PNG_LIBPNG_BUILD_BASE_TYPE)
-# endif
-#endif
-
-#ifndef PNG_VERSION_INFO_ONLY
-
-/* Inhibit C++ name-mangling for libpng functions but not for system calls. */
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-/* This file is arranged in several sections. The first section contains
- * structure and type definitions. The second section contains the external
- * library functions, while the third has the internal library functions,
- * which applications aren't expected to use directly.
- */
-
-#ifndef PNG_NO_TYPECAST_NULL
-#define int_p_NULL (int *)NULL
-#define png_bytep_NULL (png_bytep)NULL
-#define png_bytepp_NULL (png_bytepp)NULL
-#define png_doublep_NULL (png_doublep)NULL
-#define png_error_ptr_NULL (png_error_ptr)NULL
-#define png_flush_ptr_NULL (png_flush_ptr)NULL
-#define png_free_ptr_NULL (png_free_ptr)NULL
-#define png_infopp_NULL (png_infopp)NULL
-#define png_malloc_ptr_NULL (png_malloc_ptr)NULL
-#define png_read_status_ptr_NULL (png_read_status_ptr)NULL
-#define png_rw_ptr_NULL (png_rw_ptr)NULL
-#define png_structp_NULL (png_structp)NULL
-#define png_uint_16p_NULL (png_uint_16p)NULL
-#define png_voidp_NULL (png_voidp)NULL
-#define png_write_status_ptr_NULL (png_write_status_ptr)NULL
-#else
-#define int_p_NULL NULL
-#define png_bytep_NULL NULL
-#define png_bytepp_NULL NULL
-#define png_doublep_NULL NULL
-#define png_error_ptr_NULL NULL
-#define png_flush_ptr_NULL NULL
-#define png_free_ptr_NULL NULL
-#define png_infopp_NULL NULL
-#define png_malloc_ptr_NULL NULL
-#define png_read_status_ptr_NULL NULL
-#define png_rw_ptr_NULL NULL
-#define png_structp_NULL NULL
-#define png_uint_16p_NULL NULL
-#define png_voidp_NULL NULL
-#define png_write_status_ptr_NULL NULL
-#endif
-
-/* variables declared in png.c - only it needs to define PNG_NO_EXTERN */
-#if !defined(PNG_NO_EXTERN) || defined(PNG_ALWAYS_EXTERN)
-/* Version information for C files, stored in png.c. This had better match
- * the version above.
- */
-#ifdef PNG_USE_GLOBAL_ARRAYS
-PNG_EXPORT_VAR (PNG_CONST char) png_libpng_ver[18];
- /* need room for 99.99.99beta99z */
-#else
-#define png_libpng_ver png_get_header_ver(NULL)
-#endif
-
-#ifdef PNG_USE_GLOBAL_ARRAYS
-/* This was removed in version 1.0.5c */
-/* Structures to facilitate easy interlacing. See png.c for more details */
-PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_start[7];
-PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_inc[7];
-PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_ystart[7];
-PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_yinc[7];
-PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_mask[7];
-PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_dsp_mask[7];
-/* This isn't currently used. If you need it, see png.c for more details.
-PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_height[7];
-*/
-#endif
-
-#endif /* PNG_NO_EXTERN */
-
-/* Three color definitions. The order of the red, green, and blue, (and the
- * exact size) is not important, although the size of the fields need to
- * be png_byte or png_uint_16 (as defined below).
- */
-typedef struct png_color_struct
-{
- png_byte red;
- png_byte green;
- png_byte blue;
-} png_color;
-typedef png_color FAR * png_colorp;
-typedef png_color FAR * FAR * png_colorpp;
-
-typedef struct png_color_16_struct
-{
- png_byte index; /* used for palette files */
- png_uint_16 red; /* for use in red green blue files */
- png_uint_16 green;
- png_uint_16 blue;
- png_uint_16 gray; /* for use in grayscale files */
-} png_color_16;
-typedef png_color_16 FAR * png_color_16p;
-typedef png_color_16 FAR * FAR * png_color_16pp;
-
-typedef struct png_color_8_struct
-{
- png_byte red; /* for use in red green blue files */
- png_byte green;
- png_byte blue;
- png_byte gray; /* for use in grayscale files */
- png_byte alpha; /* for alpha channel files */
-} png_color_8;
-typedef png_color_8 FAR * png_color_8p;
-typedef png_color_8 FAR * FAR * png_color_8pp;
-
-/*
- * The following two structures are used for the in-core representation
- * of sPLT chunks.
- */
-typedef struct png_sPLT_entry_struct
-{
- png_uint_16 red;
- png_uint_16 green;
- png_uint_16 blue;
- png_uint_16 alpha;
- png_uint_16 frequency;
-} png_sPLT_entry;
-typedef png_sPLT_entry FAR * png_sPLT_entryp;
-typedef png_sPLT_entry FAR * FAR * png_sPLT_entrypp;
-
-/* When the depth of the sPLT palette is 8 bits, the color and alpha samples
- * occupy the LSB of their respective members, and the MSB of each member
- * is zero-filled. The frequency member always occupies the full 16 bits.
- */
-
-typedef struct png_sPLT_struct
-{
- png_charp name; /* palette name */
- png_byte depth; /* depth of palette samples */
- png_sPLT_entryp entries; /* palette entries */
- png_int_32 nentries; /* number of palette entries */
-} png_sPLT_t;
-typedef png_sPLT_t FAR * png_sPLT_tp;
-typedef png_sPLT_t FAR * FAR * png_sPLT_tpp;
-
-#ifdef PNG_TEXT_SUPPORTED
-/* png_text holds the contents of a text/ztxt/itxt chunk in a PNG file,
- * and whether that contents is compressed or not. The "key" field
- * points to a regular zero-terminated C string. The "text", "lang", and
- * "lang_key" fields can be regular C strings, empty strings, or NULL pointers.
- * However, the * structure returned by png_get_text() will always contain
- * regular zero-terminated C strings (possibly empty), never NULL pointers,
- * so they can be safely used in printf() and other string-handling functions.
- */
-typedef struct png_text_struct
-{
- int compression; /* compression value:
- -1: tEXt, none
- 0: zTXt, deflate
- 1: iTXt, none
- 2: iTXt, deflate */
- png_charp key; /* keyword, 1-79 character description of "text" */
- png_charp text; /* comment, may be an empty string (ie "")
- or a NULL pointer */
- png_size_t text_length; /* length of the text string */
-#ifdef PNG_iTXt_SUPPORTED
- png_size_t itxt_length; /* length of the itxt string */
- png_charp lang; /* language code, 0-79 characters
- or a NULL pointer */
- png_charp lang_key; /* keyword translated UTF-8 string, 0 or more
- chars or a NULL pointer */
-#endif
-} png_text;
-typedef png_text FAR * png_textp;
-typedef png_text FAR * FAR * png_textpp;
-#endif
-
-/* Supported compression types for text in PNG files (tEXt, and zTXt).
- * The values of the PNG_TEXT_COMPRESSION_ defines should NOT be changed. */
-#define PNG_TEXT_COMPRESSION_NONE_WR -3
-#define PNG_TEXT_COMPRESSION_zTXt_WR -2
-#define PNG_TEXT_COMPRESSION_NONE -1
-#define PNG_TEXT_COMPRESSION_zTXt 0
-#define PNG_ITXT_COMPRESSION_NONE 1
-#define PNG_ITXT_COMPRESSION_zTXt 2
-#define PNG_TEXT_COMPRESSION_LAST 3 /* Not a valid value */
-
-/* png_time is a way to hold the time in an machine independent way.
- * Two conversions are provided, both from time_t and struct tm. There
- * is no portable way to convert to either of these structures, as far
- * as I know. If you know of a portable way, send it to me. As a side
- * note - PNG has always been Year 2000 compliant!
- */
-typedef struct png_time_struct
-{
- png_uint_16 year; /* full year, as in, 1995 */
- png_byte month; /* month of year, 1 - 12 */
- png_byte day; /* day of month, 1 - 31 */
- png_byte hour; /* hour of day, 0 - 23 */
- png_byte minute; /* minute of hour, 0 - 59 */
- png_byte second; /* second of minute, 0 - 60 (for leap seconds) */
-} png_time;
-typedef png_time FAR * png_timep;
-typedef png_time FAR * FAR * png_timepp;
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
-/* png_unknown_chunk is a structure to hold queued chunks for which there is
- * no specific support. The idea is that we can use this to queue
- * up private chunks for output even though the library doesn't actually
- * know about their semantics.
- */
-#define PNG_CHUNK_NAME_LENGTH 5
-typedef struct png_unknown_chunk_t
-{
- png_byte name[PNG_CHUNK_NAME_LENGTH];
- png_byte *data;
- png_size_t size;
-
- /* libpng-using applications should NOT directly modify this byte. */
- png_byte location; /* mode of operation at read time */
-}
-png_unknown_chunk;
-typedef png_unknown_chunk FAR * png_unknown_chunkp;
-typedef png_unknown_chunk FAR * FAR * png_unknown_chunkpp;
-#endif
-
-/* png_info is a structure that holds the information in a PNG file so
- * that the application can find out the characteristics of the image.
- * If you are reading the file, this structure will tell you what is
- * in the PNG file. If you are writing the file, fill in the information
- * you want to put into the PNG file, then call png_write_info().
- * The names chosen should be very close to the PNG specification, so
- * consult that document for information about the meaning of each field.
- *
- * With libpng < 0.95, it was only possible to directly set and read the
- * the values in the png_info_struct, which meant that the contents and
- * order of the values had to remain fixed. With libpng 0.95 and later,
- * however, there are now functions that abstract the contents of
- * png_info_struct from the application, so this makes it easier to use
- * libpng with dynamic libraries, and even makes it possible to use
- * libraries that don't have all of the libpng ancillary chunk-handing
- * functionality.
- *
- * In any case, the order of the parameters in png_info_struct should NOT
- * be changed for as long as possible to keep compatibility with applications
- * that use the old direct-access method with png_info_struct.
- *
- * The following members may have allocated storage attached that should be
- * cleaned up before the structure is discarded: palette, trans, text,
- * pcal_purpose, pcal_units, pcal_params, hist, iccp_name, iccp_profile,
- * splt_palettes, scal_unit, row_pointers, and unknowns. By default, these
- * are automatically freed when the info structure is deallocated, if they were
- * allocated internally by libpng. This behavior can be changed by means
- * of the png_data_freer() function.
- *
- * More allocation details: all the chunk-reading functions that
- * change these members go through the corresponding png_set_*
- * functions. A function to clear these members is available: see
- * png_free_data(). The png_set_* functions do not depend on being
- * able to point info structure members to any of the storage they are
- * passed (they make their own copies), EXCEPT that the png_set_text
- * functions use the same storage passed to them in the text_ptr or
- * itxt_ptr structure argument, and the png_set_rows and png_set_unknowns
- * functions do not make their own copies.
- */
-typedef struct png_info_struct
-{
- /* the following are necessary for every PNG file */
- png_uint_32 width; /* width of image in pixels (from IHDR) */
- png_uint_32 height; /* height of image in pixels (from IHDR) */
- png_uint_32 valid; /* valid chunk data (see PNG_INFO_ below) */
- png_uint_32 rowbytes; /* bytes needed to hold an untransformed row */
- png_colorp palette; /* array of color values (valid & PNG_INFO_PLTE) */
- png_uint_16 num_palette; /* number of color entries in "palette" (PLTE) */
- png_uint_16 num_trans; /* number of transparent palette color (tRNS) */
- png_byte bit_depth; /* 1, 2, 4, 8, or 16 bits/channel (from IHDR) */
- png_byte color_type; /* see PNG_COLOR_TYPE_ below (from IHDR) */
- /* The following three should have been named *_method not *_type */
- png_byte compression_type; /* must be PNG_COMPRESSION_TYPE_BASE (IHDR) */
- png_byte filter_type; /* must be PNG_FILTER_TYPE_BASE (from IHDR) */
- png_byte interlace_type; /* One of PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
-
- /* The following is informational only on read, and not used on writes. */
- png_byte channels; /* number of data channels per pixel (1, 2, 3, 4) */
- png_byte pixel_depth; /* number of bits per pixel */
- png_byte spare_byte; /* to align the data, and for future use */
- png_byte signature[8]; /* magic bytes read by libpng from start of file */
-
- /* The rest of the data is optional. If you are reading, check the
- * valid field to see if the information in these are valid. If you
- * are writing, set the valid field to those chunks you want written,
- * and initialize the appropriate fields below.
- */
-
-#if defined(PNG_gAMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED)
- /* The gAMA chunk describes the gamma characteristics of the system
- * on which the image was created, normally in the range [1.0, 2.5].
- * Data is valid if (valid & PNG_INFO_gAMA) is non-zero.
- */
- float gamma; /* gamma value of image, if (valid & PNG_INFO_gAMA) */
-#endif
-
-#if defined(PNG_sRGB_SUPPORTED)
- /* GR-P, 0.96a */
- /* Data valid if (valid & PNG_INFO_sRGB) non-zero. */
- png_byte srgb_intent; /* sRGB rendering intent [0, 1, 2, or 3] */
-#endif
-
-#if defined(PNG_TEXT_SUPPORTED)
- /* The tEXt, and zTXt chunks contain human-readable textual data in
- * uncompressed, compressed, and optionally compressed forms, respectively.
- * The data in "text" is an array of pointers to uncompressed,
- * null-terminated C strings. Each chunk has a keyword that describes the
- * textual data contained in that chunk. Keywords are not required to be
- * unique, and the text string may be empty. Any number of text chunks may
- * be in an image.
- */
- int num_text; /* number of comments read/to write */
- int max_text; /* current size of text array */
- png_textp text; /* array of comments read/to write */
-#endif /* PNG_TEXT_SUPPORTED */
-
-#if defined(PNG_tIME_SUPPORTED)
- /* The tIME chunk holds the last time the displayed image data was
- * modified. See the png_time struct for the contents of this struct.
- */
- png_time mod_time;
-#endif
-
-#if defined(PNG_sBIT_SUPPORTED)
- /* The sBIT chunk specifies the number of significant high-order bits
- * in the pixel data. Values are in the range [1, bit_depth], and are
- * only specified for the channels in the pixel data. The contents of
- * the low-order bits is not specified. Data is valid if
- * (valid & PNG_INFO_sBIT) is non-zero.
- */
- png_color_8 sig_bit; /* significant bits in color channels */
-#endif
-
-#if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_EXPAND_SUPPORTED) || \
-defined(PNG_READ_BACKGROUND_SUPPORTED)
- /* The tRNS chunk supplies transparency data for paletted images and
- * other image types that don't need a full alpha channel. There are
- * "num_trans" transparency values for a paletted image, stored in the
- * same order as the palette colors, starting from index 0. Values
- * for the data are in the range [0, 255], ranging from fully transparent
- * to fully opaque, respectively. For non-paletted images, there is a
- * single color specified that should be treated as fully transparent.
- * Data is valid if (valid & PNG_INFO_tRNS) is non-zero.
- */
- png_bytep trans; /* transparent values for paletted image */
- png_color_16 trans_values; /* transparent color for non-palette image */
-#endif
-
-#if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- /* The bKGD chunk gives the suggested image background color if the
- * display program does not have its own background color and the image
- * is needs to composited onto a background before display. The colors
- * in "background" are normally in the same color space/depth as the
- * pixel data. Data is valid if (valid & PNG_INFO_bKGD) is non-zero.
- */
- png_color_16 background;
-#endif
-
-#if defined(PNG_oFFs_SUPPORTED)
- /* The oFFs chunk gives the offset in "offset_unit_type" units rightwards
- * and downwards from the top-left corner of the display, page, or other
- * application-specific co-ordinate space. See the PNG_OFFSET_ defines
- * below for the unit types. Valid if (valid & PNG_INFO_oFFs) non-zero.
- */
- png_int_32 x_offset; /* x offset on page */
- png_int_32 y_offset; /* y offset on page */
- png_byte offset_unit_type; /* offset units type */
-#endif
-
-#if defined(PNG_pHYs_SUPPORTED)
- /* The pHYs chunk gives the physical pixel density of the image for
- * display or printing in "phys_unit_type" units (see PNG_RESOLUTION_
- * defines below). Data is valid if (valid & PNG_INFO_pHYs) is non-zero.
- */
- png_uint_32 x_pixels_per_unit; /* horizontal pixel density */
- png_uint_32 y_pixels_per_unit; /* vertical pixel density */
- png_byte phys_unit_type; /* resolution type (see PNG_RESOLUTION_ below) */
-#endif
-
-#if defined(PNG_hIST_SUPPORTED)
- /* The hIST chunk contains the relative frequency or importance of the
- * various palette entries, so that a viewer can intelligently select a
- * reduced-color palette, if required. Data is an array of "num_palette"
- * values in the range [0,65535]. Data valid if (valid & PNG_INFO_hIST)
- * is non-zero.
- */
- png_uint_16p hist;
-#endif
-
-#ifdef PNG_cHRM_SUPPORTED
- /* The cHRM chunk describes the CIE color characteristics of the monitor
- * on which the PNG was created. This data allows the viewer to do gamut
- * mapping of the input image to ensure that the viewer sees the same
- * colors in the image as the creator. Values are in the range
- * [0.0, 0.8]. Data valid if (valid & PNG_INFO_cHRM) non-zero.
- */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- float x_white;
- float y_white;
- float x_red;
- float y_red;
- float x_green;
- float y_green;
- float x_blue;
- float y_blue;
-#endif
-#endif
-
-#if defined(PNG_pCAL_SUPPORTED)
- /* The pCAL chunk describes a transformation between the stored pixel
- * values and original physical data values used to create the image.
- * The integer range [0, 2^bit_depth - 1] maps to the floating-point
- * range given by [pcal_X0, pcal_X1], and are further transformed by a
- * (possibly non-linear) transformation function given by "pcal_type"
- * and "pcal_params" into "pcal_units". Please see the PNG_EQUATION_
- * defines below, and the PNG-Group's PNG extensions document for a
- * complete description of the transformations and how they should be
- * implemented, and for a description of the ASCII parameter strings.
- * Data values are valid if (valid & PNG_INFO_pCAL) non-zero.
- */
- png_charp pcal_purpose; /* pCAL chunk description string */
- png_int_32 pcal_X0; /* minimum value */
- png_int_32 pcal_X1; /* maximum value */
- png_charp pcal_units; /* Latin-1 string giving physical units */
- png_charpp pcal_params; /* ASCII strings containing parameter values */
- png_byte pcal_type; /* equation type (see PNG_EQUATION_ below) */
- png_byte pcal_nparams; /* number of parameters given in pcal_params */
-#endif
-
-/* New members added in libpng-1.0.6 */
-#ifdef PNG_FREE_ME_SUPPORTED
- png_uint_32 free_me; /* flags items libpng is responsible for freeing */
-#endif
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- /* storage for unknown chunks that the library doesn't recognize. */
- png_unknown_chunkp unknown_chunks;
- png_size_t unknown_chunks_num;
-#endif
-
-#if defined(PNG_iCCP_SUPPORTED)
- /* iCCP chunk data. */
- png_charp iccp_name; /* profile name */
- png_charp iccp_profile; /* International Color Consortium profile data */
- /* Note to maintainer: should be png_bytep */
- png_uint_32 iccp_proflen; /* ICC profile data length */
- png_byte iccp_compression; /* Always zero */
-#endif
-
-#if defined(PNG_sPLT_SUPPORTED)
- /* data on sPLT chunks (there may be more than one). */
- png_sPLT_tp splt_palettes;
- png_uint_32 splt_palettes_num;
-#endif
-
-#if defined(PNG_sCAL_SUPPORTED)
- /* The sCAL chunk describes the actual physical dimensions of the
- * subject matter of the graphic. The chunk contains a unit specification
- * a byte value, and two ASCII strings representing floating-point
- * values. The values are width and height corresponsing to one pixel
- * in the image. This external representation is converted to double
- * here. Data values are valid if (valid & PNG_INFO_sCAL) is non-zero.
- */
- png_byte scal_unit; /* unit of physical scale */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- double scal_pixel_width; /* width of one pixel */
- double scal_pixel_height; /* height of one pixel */
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_charp scal_s_width; /* string containing height */
- png_charp scal_s_height; /* string containing width */
-#endif
-#endif
-
-#if defined(PNG_INFO_IMAGE_SUPPORTED)
- /* Memory has been allocated if (valid & PNG_ALLOCATED_INFO_ROWS) non-zero */
- /* Data valid if (valid & PNG_INFO_IDAT) non-zero */
- png_bytepp row_pointers; /* the image bits */
-#endif
-
-#if defined(PNG_FIXED_POINT_SUPPORTED) && defined(PNG_gAMA_SUPPORTED)
- png_fixed_point int_gamma; /* gamma of image, if (valid & PNG_INFO_gAMA) */
-#endif
-
-#if defined(PNG_cHRM_SUPPORTED) && defined(PNG_FIXED_POINT_SUPPORTED)
- png_fixed_point int_x_white;
- png_fixed_point int_y_white;
- png_fixed_point int_x_red;
- png_fixed_point int_y_red;
- png_fixed_point int_x_green;
- png_fixed_point int_y_green;
- png_fixed_point int_x_blue;
- png_fixed_point int_y_blue;
-#endif
-
-} png_info;
-
-typedef png_info FAR * png_infop;
-typedef png_info FAR * FAR * png_infopp;
-
-/* Maximum positive integer used in PNG is (2^31)-1 */
-#define PNG_UINT_31_MAX ((png_uint_32)0x7fffffffL)
-#define PNG_UINT_32_MAX ((png_uint_32)(-1))
-#define PNG_SIZE_MAX ((png_size_t)(-1))
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-/* PNG_MAX_UINT is deprecated; use PNG_UINT_31_MAX instead. */
-#define PNG_MAX_UINT PNG_UINT_31_MAX
-#endif
-
-/* These describe the color_type field in png_info. */
-/* color type masks */
-#define PNG_COLOR_MASK_PALETTE 1
-#define PNG_COLOR_MASK_COLOR 2
-#define PNG_COLOR_MASK_ALPHA 4
-
-/* color types. Note that not all combinations are legal */
-#define PNG_COLOR_TYPE_GRAY 0
-#define PNG_COLOR_TYPE_PALETTE (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_PALETTE)
-#define PNG_COLOR_TYPE_RGB (PNG_COLOR_MASK_COLOR)
-#define PNG_COLOR_TYPE_RGB_ALPHA (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_ALPHA)
-#define PNG_COLOR_TYPE_GRAY_ALPHA (PNG_COLOR_MASK_ALPHA)
-/* aliases */
-#define PNG_COLOR_TYPE_RGBA PNG_COLOR_TYPE_RGB_ALPHA
-#define PNG_COLOR_TYPE_GA PNG_COLOR_TYPE_GRAY_ALPHA
-
-/* This is for compression type. PNG 1.0-1.2 only define the single type. */
-#define PNG_COMPRESSION_TYPE_BASE 0 /* Deflate method 8, 32K window */
-#define PNG_COMPRESSION_TYPE_DEFAULT PNG_COMPRESSION_TYPE_BASE
-
-/* This is for filter type. PNG 1.0-1.2 only define the single type. */
-#define PNG_FILTER_TYPE_BASE 0 /* Single row per-byte filtering */
-#define PNG_INTRAPIXEL_DIFFERENCING 64 /* Used only in MNG datastreams */
-#define PNG_FILTER_TYPE_DEFAULT PNG_FILTER_TYPE_BASE
-
-/* These are for the interlacing type. These values should NOT be changed. */
-#define PNG_INTERLACE_NONE 0 /* Non-interlaced image */
-#define PNG_INTERLACE_ADAM7 1 /* Adam7 interlacing */
-#define PNG_INTERLACE_LAST 2 /* Not a valid value */
-
-/* These are for the oFFs chunk. These values should NOT be changed. */
-#define PNG_OFFSET_PIXEL 0 /* Offset in pixels */
-#define PNG_OFFSET_MICROMETER 1 /* Offset in micrometers (1/10^6 meter) */
-#define PNG_OFFSET_LAST 2 /* Not a valid value */
-
-/* These are for the pCAL chunk. These values should NOT be changed. */
-#define PNG_EQUATION_LINEAR 0 /* Linear transformation */
-#define PNG_EQUATION_BASE_E 1 /* Exponential base e transform */
-#define PNG_EQUATION_ARBITRARY 2 /* Arbitrary base exponential transform */
-#define PNG_EQUATION_HYPERBOLIC 3 /* Hyperbolic sine transformation */
-#define PNG_EQUATION_LAST 4 /* Not a valid value */
-
-/* These are for the sCAL chunk. These values should NOT be changed. */
-#define PNG_SCALE_UNKNOWN 0 /* unknown unit (image scale) */
-#define PNG_SCALE_METER 1 /* meters per pixel */
-#define PNG_SCALE_RADIAN 2 /* radians per pixel */
-#define PNG_SCALE_LAST 3 /* Not a valid value */
-
-/* These are for the pHYs chunk. These values should NOT be changed. */
-#define PNG_RESOLUTION_UNKNOWN 0 /* pixels/unknown unit (aspect ratio) */
-#define PNG_RESOLUTION_METER 1 /* pixels/meter */
-#define PNG_RESOLUTION_LAST 2 /* Not a valid value */
-
-/* These are for the sRGB chunk. These values should NOT be changed. */
-#define PNG_sRGB_INTENT_PERCEPTUAL 0
-#define PNG_sRGB_INTENT_RELATIVE 1
-#define PNG_sRGB_INTENT_SATURATION 2
-#define PNG_sRGB_INTENT_ABSOLUTE 3
-#define PNG_sRGB_INTENT_LAST 4 /* Not a valid value */
-
-/* This is for text chunks */
-#define PNG_KEYWORD_MAX_LENGTH 79
-
-/* Maximum number of entries in PLTE/sPLT/tRNS arrays */
-#define PNG_MAX_PALETTE_LENGTH 256
-
-/* These determine if an ancillary chunk's data has been successfully read
- * from the PNG header, or if the application has filled in the corresponding
- * data in the info_struct to be written into the output file. The values
- * of the PNG_INFO_<chunk> defines should NOT be changed.
- */
-#define PNG_INFO_gAMA 0x0001
-#define PNG_INFO_sBIT 0x0002
-#define PNG_INFO_cHRM 0x0004
-#define PNG_INFO_PLTE 0x0008
-#define PNG_INFO_tRNS 0x0010
-#define PNG_INFO_bKGD 0x0020
-#define PNG_INFO_hIST 0x0040
-#define PNG_INFO_pHYs 0x0080
-#define PNG_INFO_oFFs 0x0100
-#define PNG_INFO_tIME 0x0200
-#define PNG_INFO_pCAL 0x0400
-#define PNG_INFO_sRGB 0x0800 /* GR-P, 0.96a */
-#define PNG_INFO_iCCP 0x1000 /* ESR, 1.0.6 */
-#define PNG_INFO_sPLT 0x2000 /* ESR, 1.0.6 */
-#define PNG_INFO_sCAL 0x4000 /* ESR, 1.0.6 */
-#define PNG_INFO_IDAT 0x8000L /* ESR, 1.0.6 */
-
-/* This is used for the transformation routines, as some of them
- * change these values for the row. It also should enable using
- * the routines for other purposes.
- */
-typedef struct png_row_info_struct
-{
- png_uint_32 width; /* width of row */
- png_uint_32 rowbytes; /* number of bytes in row */
- png_byte color_type; /* color type of row */
- png_byte bit_depth; /* bit depth of row */
- png_byte channels; /* number of channels (1, 2, 3, or 4) */
- png_byte pixel_depth; /* bits per pixel (depth * channels) */
-} png_row_info;
-
-typedef png_row_info FAR * png_row_infop;
-typedef png_row_info FAR * FAR * png_row_infopp;
-
-/* These are the function types for the I/O functions and for the functions
- * that allow the user to override the default I/O functions with his or her
- * own. The png_error_ptr type should match that of user-supplied warning
- * and error functions, while the png_rw_ptr type should match that of the
- * user read/write data functions.
- */
-typedef struct png_struct_def png_struct;
-typedef png_struct FAR * png_structp;
-
-typedef void (PNGAPI *png_error_ptr) PNGARG((png_structp, png_const_charp));
-typedef void (PNGAPI *png_rw_ptr) PNGARG((png_structp, png_bytep, png_size_t));
-typedef void (PNGAPI *png_flush_ptr) PNGARG((png_structp));
-typedef void (PNGAPI *png_read_status_ptr) PNGARG((png_structp, png_uint_32,
- int));
-typedef void (PNGAPI *png_write_status_ptr) PNGARG((png_structp, png_uint_32,
- int));
-
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-typedef void (PNGAPI *png_progressive_info_ptr) PNGARG((png_structp, png_infop));
-typedef void (PNGAPI *png_progressive_end_ptr) PNGARG((png_structp, png_infop));
-typedef void (PNGAPI *png_progressive_row_ptr) PNGARG((png_structp, png_bytep,
- png_uint_32, int));
-#endif
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_LEGACY_SUPPORTED)
-typedef void (PNGAPI *png_user_transform_ptr) PNGARG((png_structp,
- png_row_infop, png_bytep));
-#endif
-
-#if defined(PNG_USER_CHUNKS_SUPPORTED)
-typedef int (PNGAPI *png_user_chunk_ptr) PNGARG((png_structp, png_unknown_chunkp));
-#endif
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
-typedef void (PNGAPI *png_unknown_chunk_ptr) PNGARG((png_structp));
-#endif
-
-/* Transform masks for the high-level interface */
-#define PNG_TRANSFORM_IDENTITY 0x0000 /* read and write */
-#define PNG_TRANSFORM_STRIP_16 0x0001 /* read only */
-#define PNG_TRANSFORM_STRIP_ALPHA 0x0002 /* read only */
-#define PNG_TRANSFORM_PACKING 0x0004 /* read and write */
-#define PNG_TRANSFORM_PACKSWAP 0x0008 /* read and write */
-#define PNG_TRANSFORM_EXPAND 0x0010 /* read only */
-#define PNG_TRANSFORM_INVERT_MONO 0x0020 /* read and write */
-#define PNG_TRANSFORM_SHIFT 0x0040 /* read and write */
-#define PNG_TRANSFORM_BGR 0x0080 /* read and write */
-#define PNG_TRANSFORM_SWAP_ALPHA 0x0100 /* read and write */
-#define PNG_TRANSFORM_SWAP_ENDIAN 0x0200 /* read and write */
-#define PNG_TRANSFORM_INVERT_ALPHA 0x0400 /* read and write */
-#define PNG_TRANSFORM_STRIP_FILLER 0x0800 /* WRITE only, deprecated */
-/* Added to libpng-1.2.34 */
-#define PNG_TRANSFORM_STRIP_FILLER_BEFORE 0x0800 /* WRITE only */
-#define PNG_TRANSFORM_STRIP_FILLER_AFTER 0x1000 /* WRITE only */
-
-/* Flags for MNG supported features */
-#define PNG_FLAG_MNG_EMPTY_PLTE 0x01
-#define PNG_FLAG_MNG_FILTER_64 0x04
-#define PNG_ALL_MNG_FEATURES 0x05
-
-typedef png_voidp (*png_malloc_ptr) PNGARG((png_structp, png_size_t));
-typedef void (*png_free_ptr) PNGARG((png_structp, png_voidp));
-
-/* The structure that holds the information to read and write PNG files.
- * The only people who need to care about what is inside of this are the
- * people who will be modifying the library for their own special needs.
- * It should NOT be accessed directly by an application, except to store
- * the jmp_buf.
- */
-
-struct png_struct_def
-{
-#ifdef PNG_SETJMP_SUPPORTED
- jmp_buf jmpbuf; /* used in png_error */
-#endif
- png_error_ptr error_fn; /* function for printing errors and aborting */
- png_error_ptr warning_fn; /* function for printing warnings */
- png_voidp error_ptr; /* user supplied struct for error functions */
- png_rw_ptr write_data_fn; /* function for writing output data */
- png_rw_ptr read_data_fn; /* function for reading input data */
- png_voidp io_ptr; /* ptr to application struct for I/O functions */
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- png_user_transform_ptr read_user_transform_fn; /* user read transform */
-#endif
-
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- png_user_transform_ptr write_user_transform_fn; /* user write transform */
-#endif
-
-/* These were added in libpng-1.0.2 */
-#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- png_voidp user_transform_ptr; /* user supplied struct for user transform */
- png_byte user_transform_depth; /* bit depth of user transformed pixels */
- png_byte user_transform_channels; /* channels in user transformed pixels */
-#endif
-#endif
-
- png_uint_32 mode; /* tells us where we are in the PNG file */
- png_uint_32 flags; /* flags indicating various things to libpng */
- png_uint_32 transformations; /* which transformations to perform */
-
- z_stream zstream; /* pointer to decompression structure (below) */
- png_bytep zbuf; /* buffer for zlib */
- png_size_t zbuf_size; /* size of zbuf */
- int zlib_level; /* holds zlib compression level */
- int zlib_method; /* holds zlib compression method */
- int zlib_window_bits; /* holds zlib compression window bits */
- int zlib_mem_level; /* holds zlib compression memory level */
- int zlib_strategy; /* holds zlib compression strategy */
-
- png_uint_32 width; /* width of image in pixels */
- png_uint_32 height; /* height of image in pixels */
- png_uint_32 num_rows; /* number of rows in current pass */
- png_uint_32 usr_width; /* width of row at start of write */
- png_uint_32 rowbytes; /* size of row in bytes */
- png_uint_32 irowbytes; /* size of current interlaced row in bytes */
- png_uint_32 iwidth; /* width of current interlaced row in pixels */
- png_uint_32 row_number; /* current row in interlace pass */
- png_bytep prev_row; /* buffer to save previous (unfiltered) row */
- png_bytep row_buf; /* buffer to save current (unfiltered) row */
-#ifndef PNG_NO_WRITE_FILTER
- png_bytep sub_row; /* buffer to save "sub" row when filtering */
- png_bytep up_row; /* buffer to save "up" row when filtering */
- png_bytep avg_row; /* buffer to save "avg" row when filtering */
- png_bytep paeth_row; /* buffer to save "Paeth" row when filtering */
-#endif
- png_row_info row_info; /* used for transformation routines */
-
- png_uint_32 idat_size; /* current IDAT size for read */
- png_uint_32 crc; /* current chunk CRC value */
- png_colorp palette; /* palette from the input file */
- png_uint_16 num_palette; /* number of color entries in palette */
- png_uint_16 num_trans; /* number of transparency values */
- png_byte chunk_name[5]; /* null-terminated name of current chunk */
- png_byte compression; /* file compression type (always 0) */
- png_byte filter; /* file filter type (always 0) */
- png_byte interlaced; /* PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
- png_byte pass; /* current interlace pass (0 - 6) */
- png_byte do_filter; /* row filter flags (see PNG_FILTER_ below ) */
- png_byte color_type; /* color type of file */
- png_byte bit_depth; /* bit depth of file */
- png_byte usr_bit_depth; /* bit depth of users row */
- png_byte pixel_depth; /* number of bits per pixel */
- png_byte channels; /* number of channels in file */
- png_byte usr_channels; /* channels at start of write */
- png_byte sig_bytes; /* magic bytes read/written from start of file */
-
-#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
-#ifdef PNG_LEGACY_SUPPORTED
- png_byte filler; /* filler byte for pixel expansion */
-#else
- png_uint_16 filler; /* filler bytes for pixel expansion */
-#endif
-#endif
-
-#if defined(PNG_bKGD_SUPPORTED)
- png_byte background_gamma_type;
-# ifdef PNG_FLOATING_POINT_SUPPORTED
- float background_gamma;
-# endif
- png_color_16 background; /* background color in screen gamma space */
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- png_color_16 background_1; /* background normalized to gamma 1.0 */
-#endif
-#endif /* PNG_bKGD_SUPPORTED */
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
- png_flush_ptr output_flush_fn;/* Function for flushing output */
- png_uint_32 flush_dist; /* how many rows apart to flush, 0 - no flush */
- png_uint_32 flush_rows; /* number of rows written since last flush */
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- int gamma_shift; /* number of "insignificant" bits 16-bit gamma */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- float gamma; /* file gamma value */
- float screen_gamma; /* screen gamma value (display_exponent) */
-#endif
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- png_bytep gamma_table; /* gamma table for 8-bit depth files */
- png_bytep gamma_from_1; /* converts from 1.0 to screen */
- png_bytep gamma_to_1; /* converts from file to 1.0 */
- png_uint_16pp gamma_16_table; /* gamma table for 16-bit depth files */
- png_uint_16pp gamma_16_from_1; /* converts from 1.0 to screen */
- png_uint_16pp gamma_16_to_1; /* converts from file to 1.0 */
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_sBIT_SUPPORTED)
- png_color_8 sig_bit; /* significant bits in each available channel */
-#endif
-
-#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
- png_color_8 shift; /* shift for significant bit tranformation */
-#endif
-
-#if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \
- || defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- png_bytep trans; /* transparency values for paletted files */
- png_color_16 trans_values; /* transparency values for non-paletted files */
-#endif
-
- png_read_status_ptr read_row_fn; /* called after each row is decoded */
- png_write_status_ptr write_row_fn; /* called after each row is encoded */
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
- png_progressive_info_ptr info_fn; /* called after header data fully read */
- png_progressive_row_ptr row_fn; /* called after each prog. row is decoded */
- png_progressive_end_ptr end_fn; /* called after image is complete */
- png_bytep save_buffer_ptr; /* current location in save_buffer */
- png_bytep save_buffer; /* buffer for previously read data */
- png_bytep current_buffer_ptr; /* current location in current_buffer */
- png_bytep current_buffer; /* buffer for recently used data */
- png_uint_32 push_length; /* size of current input chunk */
- png_uint_32 skip_length; /* bytes to skip in input data */
- png_size_t save_buffer_size; /* amount of data now in save_buffer */
- png_size_t save_buffer_max; /* total size of save_buffer */
- png_size_t buffer_size; /* total amount of available input data */
- png_size_t current_buffer_size; /* amount of data now in current_buffer */
- int process_mode; /* what push library is currently doing */
- int cur_palette; /* current push library palette index */
-
-# if defined(PNG_TEXT_SUPPORTED)
- png_size_t current_text_size; /* current size of text input data */
- png_size_t current_text_left; /* how much text left to read in input */
- png_charp current_text; /* current text chunk buffer */
- png_charp current_text_ptr; /* current location in current_text */
-# endif /* PNG_TEXT_SUPPORTED */
-#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
-
-#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
-/* for the Borland special 64K segment handler */
- png_bytepp offset_table_ptr;
- png_bytep offset_table;
- png_uint_16 offset_table_number;
- png_uint_16 offset_table_count;
- png_uint_16 offset_table_count_free;
-#endif
-
-#if defined(PNG_READ_DITHER_SUPPORTED)
- png_bytep palette_lookup; /* lookup table for dithering */
- png_bytep dither_index; /* index translation for palette files */
-#endif
-
-#if defined(PNG_READ_DITHER_SUPPORTED) || defined(PNG_hIST_SUPPORTED)
- png_uint_16p hist; /* histogram */
-#endif
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- png_byte heuristic_method; /* heuristic for row filter selection */
- png_byte num_prev_filters; /* number of weights for previous rows */
- png_bytep prev_filters; /* filter type(s) of previous row(s) */
- png_uint_16p filter_weights; /* weight(s) for previous line(s) */
- png_uint_16p inv_filter_weights; /* 1/weight(s) for previous line(s) */
- png_uint_16p filter_costs; /* relative filter calculation cost */
- png_uint_16p inv_filter_costs; /* 1/relative filter calculation cost */
-#endif
-
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
- png_charp time_buffer; /* String to hold RFC 1123 time text */
-#endif
-
-/* New members added in libpng-1.0.6 */
-
-#ifdef PNG_FREE_ME_SUPPORTED
- png_uint_32 free_me; /* flags items libpng is responsible for freeing */
-#endif
-
-#if defined(PNG_USER_CHUNKS_SUPPORTED)
- png_voidp user_chunk_ptr;
- png_user_chunk_ptr read_user_chunk_fn; /* user read chunk handler */
-#endif
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- int num_chunk_list;
- png_bytep chunk_list;
-#endif
-
-/* New members added in libpng-1.0.3 */
-#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
- png_byte rgb_to_gray_status;
- /* These were changed from png_byte in libpng-1.0.6 */
- png_uint_16 rgb_to_gray_red_coeff;
- png_uint_16 rgb_to_gray_green_coeff;
- png_uint_16 rgb_to_gray_blue_coeff;
-#endif
-
-/* New member added in libpng-1.0.4 (renamed in 1.0.9) */
-#if defined(PNG_MNG_FEATURES_SUPPORTED) || \
- defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \
- defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED)
-/* changed from png_byte to png_uint_32 at version 1.2.0 */
-#ifdef PNG_1_0_X
- png_byte mng_features_permitted;
-#else
- png_uint_32 mng_features_permitted;
-#endif /* PNG_1_0_X */
-#endif
-
-/* New member added in libpng-1.0.7 */
-#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- png_fixed_point int_gamma;
-#endif
-
-/* New member added in libpng-1.0.9, ifdef'ed out in 1.0.12, enabled in 1.2.0 */
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- png_byte filter_type;
-#endif
-
-#if defined(PNG_1_0_X)
-/* New member added in libpng-1.0.10, ifdef'ed out in 1.2.0 */
- png_uint_32 row_buf_size;
-#endif
-
-/* New members added in libpng-1.2.0 */
-#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
-# if !defined(PNG_1_0_X)
-# if defined(PNG_MMX_CODE_SUPPORTED)
- png_byte mmx_bitdepth_threshold;
- png_uint_32 mmx_rowbytes_threshold;
-# endif
- png_uint_32 asm_flags;
-# endif
-#endif
-
-/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
-#ifdef PNG_USER_MEM_SUPPORTED
- png_voidp mem_ptr; /* user supplied struct for mem functions */
- png_malloc_ptr malloc_fn; /* function for allocating memory */
- png_free_ptr free_fn; /* function for freeing memory */
-#endif
-
-/* New member added in libpng-1.0.13 and 1.2.0 */
- png_bytep big_row_buf; /* buffer to save current (unfiltered) row */
-
-#if defined(PNG_READ_DITHER_SUPPORTED)
-/* The following three members were added at version 1.0.14 and 1.2.4 */
- png_bytep dither_sort; /* working sort array */
- png_bytep index_to_palette; /* where the original index currently is */
- /* in the palette */
- png_bytep palette_to_index; /* which original index points to this */
- /* palette color */
-#endif
-
-/* New members added in libpng-1.0.16 and 1.2.6 */
- png_byte compression_type;
-
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
- png_uint_32 user_width_max;
- png_uint_32 user_height_max;
-#endif
-
-/* New member added in libpng-1.0.25 and 1.2.17 */
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- /* storage for unknown chunk that the library doesn't recognize. */
- png_unknown_chunk unknown_chunk;
-#endif
-
-/* New members added in libpng-1.2.26 */
- png_uint_32 old_big_row_buf_size, old_prev_row_size;
-
-/* New member added in libpng-1.2.30 */
- png_charp chunkdata; /* buffer for reading chunk data */
-
-};
-
-
-/* This triggers a compiler error in png.c, if png.c and png.h
- * do not agree upon the version number.
- */
-typedef png_structp version_1_2_37;
-
-typedef png_struct FAR * FAR * png_structpp;
-
-/* Here are the function definitions most commonly used. This is not
- * the place to find out how to use libpng. See libpng.txt for the
- * full explanation, see example.c for the summary. This just provides
- * a simple one line description of the use of each function.
- */
-
-/* Returns the version number of the library */
-extern PNG_EXPORT(png_uint_32,png_access_version_number) PNGARG((void));
-
-/* Tell lib we have already handled the first <num_bytes> magic bytes.
- * Handling more than 8 bytes from the beginning of the file is an error.
- */
-extern PNG_EXPORT(void,png_set_sig_bytes) PNGARG((png_structp png_ptr,
- int num_bytes));
-
-/* Check sig[start] through sig[start + num_to_check - 1] to see if it's a
- * PNG file. Returns zero if the supplied bytes match the 8-byte PNG
- * signature, and non-zero otherwise. Having num_to_check == 0 or
- * start > 7 will always fail (ie return non-zero).
- */
-extern PNG_EXPORT(int,png_sig_cmp) PNGARG((png_bytep sig, png_size_t start,
- png_size_t num_to_check));
-
-/* Simple signature checking function. This is the same as calling
- * png_check_sig(sig, n) := !png_sig_cmp(sig, 0, n).
- */
-extern PNG_EXPORT(int,png_check_sig) PNGARG((png_bytep sig, int num));
-
-/* Allocate and initialize png_ptr struct for reading, and any other memory. */
-extern PNG_EXPORT(png_structp,png_create_read_struct)
- PNGARG((png_const_charp user_png_ver, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warn_fn));
-
-/* Allocate and initialize png_ptr struct for writing, and any other memory */
-extern PNG_EXPORT(png_structp,png_create_write_struct)
- PNGARG((png_const_charp user_png_ver, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warn_fn));
-
-#ifdef PNG_WRITE_SUPPORTED
-extern PNG_EXPORT(png_uint_32,png_get_compression_buffer_size)
- PNGARG((png_structp png_ptr));
-#endif
-
-#ifdef PNG_WRITE_SUPPORTED
-extern PNG_EXPORT(void,png_set_compression_buffer_size)
- PNGARG((png_structp png_ptr, png_uint_32 size));
-#endif
-
-/* Reset the compression stream */
-extern PNG_EXPORT(int,png_reset_zstream) PNGARG((png_structp png_ptr));
-
-/* New functions added in libpng-1.0.2 (not enabled by default until 1.2.0) */
-#ifdef PNG_USER_MEM_SUPPORTED
-extern PNG_EXPORT(png_structp,png_create_read_struct_2)
- PNGARG((png_const_charp user_png_ver, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr,
- png_malloc_ptr malloc_fn, png_free_ptr free_fn));
-extern PNG_EXPORT(png_structp,png_create_write_struct_2)
- PNGARG((png_const_charp user_png_ver, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr,
- png_malloc_ptr malloc_fn, png_free_ptr free_fn));
-#endif
-
-/* Write a PNG chunk - size, type, (optional) data, CRC. */
-extern PNG_EXPORT(void,png_write_chunk) PNGARG((png_structp png_ptr,
- png_bytep chunk_name, png_bytep data, png_size_t length));
-
-/* Write the start of a PNG chunk - length and chunk name. */
-extern PNG_EXPORT(void,png_write_chunk_start) PNGARG((png_structp png_ptr,
- png_bytep chunk_name, png_uint_32 length));
-
-/* Write the data of a PNG chunk started with png_write_chunk_start(). */
-extern PNG_EXPORT(void,png_write_chunk_data) PNGARG((png_structp png_ptr,
- png_bytep data, png_size_t length));
-
-/* Finish a chunk started with png_write_chunk_start() (includes CRC). */
-extern PNG_EXPORT(void,png_write_chunk_end) PNGARG((png_structp png_ptr));
-
-/* Allocate and initialize the info structure */
-extern PNG_EXPORT(png_infop,png_create_info_struct)
- PNGARG((png_structp png_ptr));
-
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-/* Initialize the info structure (old interface - DEPRECATED) */
-extern PNG_EXPORT(void,png_info_init) PNGARG((png_infop info_ptr));
-#undef png_info_init
-#define png_info_init(info_ptr) png_info_init_3(&info_ptr,\
- png_sizeof(png_info));
-#endif
-
-extern PNG_EXPORT(void,png_info_init_3) PNGARG((png_infopp info_ptr,
- png_size_t png_info_struct_size));
-
-/* Writes all the PNG information before the image. */
-extern PNG_EXPORT(void,png_write_info_before_PLTE) PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-extern PNG_EXPORT(void,png_write_info) PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* read the information before the actual image data. */
-extern PNG_EXPORT(void,png_read_info) PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-#endif
-
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
-extern PNG_EXPORT(png_charp,png_convert_to_rfc1123)
- PNGARG((png_structp png_ptr, png_timep ptime));
-#endif
-
-#if !defined(_WIN32_WCE)
-/* "time.h" functions are not supported on WindowsCE */
-#if defined(PNG_WRITE_tIME_SUPPORTED)
-/* convert from a struct tm to png_time */
-extern PNG_EXPORT(void,png_convert_from_struct_tm) PNGARG((png_timep ptime,
- struct tm FAR * ttime));
-
-/* convert from time_t to png_time. Uses gmtime() */
-extern PNG_EXPORT(void,png_convert_from_time_t) PNGARG((png_timep ptime,
- time_t ttime));
-#endif /* PNG_WRITE_tIME_SUPPORTED */
-#endif /* _WIN32_WCE */
-
-#if defined(PNG_READ_EXPAND_SUPPORTED)
-/* Expand data to 24-bit RGB, or 8-bit grayscale, with alpha if available. */
-extern PNG_EXPORT(void,png_set_expand) PNGARG((png_structp png_ptr));
-#if !defined(PNG_1_0_X)
-extern PNG_EXPORT(void,png_set_expand_gray_1_2_4_to_8) PNGARG((png_structp
- png_ptr));
-#endif
-extern PNG_EXPORT(void,png_set_palette_to_rgb) PNGARG((png_structp png_ptr));
-extern PNG_EXPORT(void,png_set_tRNS_to_alpha) PNGARG((png_structp png_ptr));
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-/* Deprecated */
-extern PNG_EXPORT(void,png_set_gray_1_2_4_to_8) PNGARG((png_structp png_ptr));
-#endif
-#endif
-
-#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)
-/* Use blue, green, red order for pixels. */
-extern PNG_EXPORT(void,png_set_bgr) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
-/* Expand the grayscale to 24-bit RGB if necessary. */
-extern PNG_EXPORT(void,png_set_gray_to_rgb) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
-/* Reduce RGB to grayscale. */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_rgb_to_gray) PNGARG((png_structp png_ptr,
- int error_action, double red, double green ));
-#endif
-extern PNG_EXPORT(void,png_set_rgb_to_gray_fixed) PNGARG((png_structp png_ptr,
- int error_action, png_fixed_point red, png_fixed_point green ));
-extern PNG_EXPORT(png_byte,png_get_rgb_to_gray_status) PNGARG((png_structp
- png_ptr));
-#endif
-
-extern PNG_EXPORT(void,png_build_grayscale_palette) PNGARG((int bit_depth,
- png_colorp palette));
-
-#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
-extern PNG_EXPORT(void,png_set_strip_alpha) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) || \
- defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
-extern PNG_EXPORT(void,png_set_swap_alpha) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) || \
- defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
-extern PNG_EXPORT(void,png_set_invert_alpha) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
-/* Add a filler byte to 8-bit Gray or 24-bit RGB images. */
-extern PNG_EXPORT(void,png_set_filler) PNGARG((png_structp png_ptr,
- png_uint_32 filler, int flags));
-/* The values of the PNG_FILLER_ defines should NOT be changed */
-#define PNG_FILLER_BEFORE 0
-#define PNG_FILLER_AFTER 1
-/* Add an alpha byte to 8-bit Gray or 24-bit RGB images. */
-#if !defined(PNG_1_0_X)
-extern PNG_EXPORT(void,png_set_add_alpha) PNGARG((png_structp png_ptr,
- png_uint_32 filler, int flags));
-#endif
-#endif /* PNG_READ_FILLER_SUPPORTED || PNG_WRITE_FILLER_SUPPORTED */
-
-#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)
-/* Swap bytes in 16-bit depth files. */
-extern PNG_EXPORT(void,png_set_swap) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_PACK_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED)
-/* Use 1 byte per pixel in 1, 2, or 4-bit depth files. */
-extern PNG_EXPORT(void,png_set_packing) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED)
-/* Swap packing order of pixels in bytes. */
-extern PNG_EXPORT(void,png_set_packswap) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
-/* Converts files to legal bit depths. */
-extern PNG_EXPORT(void,png_set_shift) PNGARG((png_structp png_ptr,
- png_color_8p true_bits));
-#endif
-
-#if defined(PNG_READ_INTERLACING_SUPPORTED) || \
- defined(PNG_WRITE_INTERLACING_SUPPORTED)
-/* Have the code handle the interlacing. Returns the number of passes. */
-extern PNG_EXPORT(int,png_set_interlace_handling) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED)
-/* Invert monochrome files */
-extern PNG_EXPORT(void,png_set_invert_mono) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
-/* Handle alpha and tRNS by replacing with a background color. */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_background) PNGARG((png_structp png_ptr,
- png_color_16p background_color, int background_gamma_code,
- int need_expand, double background_gamma));
-#endif
-#define PNG_BACKGROUND_GAMMA_UNKNOWN 0
-#define PNG_BACKGROUND_GAMMA_SCREEN 1
-#define PNG_BACKGROUND_GAMMA_FILE 2
-#define PNG_BACKGROUND_GAMMA_UNIQUE 3
-#endif
-
-#if defined(PNG_READ_16_TO_8_SUPPORTED)
-/* strip the second byte of information from a 16-bit depth file. */
-extern PNG_EXPORT(void,png_set_strip_16) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_DITHER_SUPPORTED)
-/* Turn on dithering, and reduce the palette to the number of colors available. */
-extern PNG_EXPORT(void,png_set_dither) PNGARG((png_structp png_ptr,
- png_colorp palette, int num_palette, int maximum_colors,
- png_uint_16p histogram, int full_dither));
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED)
-/* Handle gamma correction. Screen_gamma=(display_exponent) */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_gamma) PNGARG((png_structp png_ptr,
- double screen_gamma, double default_file_gamma));
-#endif
-#endif
-
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \
- defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED)
-/* Permit or disallow empty PLTE (0: not permitted, 1: permitted) */
-/* Deprecated and will be removed. Use png_permit_mng_features() instead. */
-extern PNG_EXPORT(void,png_permit_empty_plte) PNGARG((png_structp png_ptr,
- int empty_plte_permitted));
-#endif
-#endif
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
-/* Set how many lines between output flushes - 0 for no flushing */
-extern PNG_EXPORT(void,png_set_flush) PNGARG((png_structp png_ptr, int nrows));
-/* Flush the current PNG output buffer */
-extern PNG_EXPORT(void,png_write_flush) PNGARG((png_structp png_ptr));
-#endif
-
-/* optional update palette with requested transformations */
-extern PNG_EXPORT(void,png_start_read_image) PNGARG((png_structp png_ptr));
-
-/* optional call to update the users info structure */
-extern PNG_EXPORT(void,png_read_update_info) PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* read one or more rows of image data. */
-extern PNG_EXPORT(void,png_read_rows) PNGARG((png_structp png_ptr,
- png_bytepp row, png_bytepp display_row, png_uint_32 num_rows));
-#endif
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* read a row of data. */
-extern PNG_EXPORT(void,png_read_row) PNGARG((png_structp png_ptr,
- png_bytep row,
- png_bytep display_row));
-#endif
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* read the whole image into memory at once. */
-extern PNG_EXPORT(void,png_read_image) PNGARG((png_structp png_ptr,
- png_bytepp image));
-#endif
-
-/* write a row of image data */
-extern PNG_EXPORT(void,png_write_row) PNGARG((png_structp png_ptr,
- png_bytep row));
-
-/* write a few rows of image data */
-extern PNG_EXPORT(void,png_write_rows) PNGARG((png_structp png_ptr,
- png_bytepp row, png_uint_32 num_rows));
-
-/* write the image data */
-extern PNG_EXPORT(void,png_write_image) PNGARG((png_structp png_ptr,
- png_bytepp image));
-
-/* writes the end of the PNG file. */
-extern PNG_EXPORT(void,png_write_end) PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* read the end of the PNG file. */
-extern PNG_EXPORT(void,png_read_end) PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-#endif
-
-/* free any memory associated with the png_info_struct */
-extern PNG_EXPORT(void,png_destroy_info_struct) PNGARG((png_structp png_ptr,
- png_infopp info_ptr_ptr));
-
-/* free any memory associated with the png_struct and the png_info_structs */
-extern PNG_EXPORT(void,png_destroy_read_struct) PNGARG((png_structpp
- png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr));
-
-/* free all memory used by the read (old method - NOT DLL EXPORTED) */
-/* Debian note: exporting as it is required by legacy applications */
-extern PNG_EXPORT(void,png_read_destroy) PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_infop end_info_ptr));
-
-/* free any memory associated with the png_struct and the png_info_structs */
-extern PNG_EXPORT(void,png_destroy_write_struct)
- PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr));
-
-/* free any memory used in png_ptr struct (old method - NOT DLL EXPORTED) */
-/* Debian note: exporting as it is required by legacy applications */
-extern PNG_EXPORT(void,png_write_destroy) PNGARG((png_structp png_ptr));
-
-/* set the libpng method of handling chunk CRC errors */
-extern PNG_EXPORT(void,png_set_crc_action) PNGARG((png_structp png_ptr,
- int crit_action, int ancil_action));
-
-/* Values for png_set_crc_action() to say how to handle CRC errors in
- * ancillary and critical chunks, and whether to use the data contained
- * therein. Note that it is impossible to "discard" data in a critical
- * chunk. For versions prior to 0.90, the action was always error/quit,
- * whereas in version 0.90 and later, the action for CRC errors in ancillary
- * chunks is warn/discard. These values should NOT be changed.
- *
- * value action:critical action:ancillary
- */
-#define PNG_CRC_DEFAULT 0 /* error/quit warn/discard data */
-#define PNG_CRC_ERROR_QUIT 1 /* error/quit error/quit */
-#define PNG_CRC_WARN_DISCARD 2 /* (INVALID) warn/discard data */
-#define PNG_CRC_WARN_USE 3 /* warn/use data warn/use data */
-#define PNG_CRC_QUIET_USE 4 /* quiet/use data quiet/use data */
-#define PNG_CRC_NO_CHANGE 5 /* use current value use current value */
-
-/* These functions give the user control over the scan-line filtering in
- * libpng and the compression methods used by zlib. These functions are
- * mainly useful for testing, as the defaults should work with most users.
- * Those users who are tight on memory or want faster performance at the
- * expense of compression can modify them. See the compression library
- * header file (zlib.h) for an explination of the compression functions.
- */
-
-/* set the filtering method(s) used by libpng. Currently, the only valid
- * value for "method" is 0.
- */
-extern PNG_EXPORT(void,png_set_filter) PNGARG((png_structp png_ptr, int method,
- int filters));
-
-/* Flags for png_set_filter() to say which filters to use. The flags
- * are chosen so that they don't conflict with real filter types
- * below, in case they are supplied instead of the #defined constants.
- * These values should NOT be changed.
- */
-#define PNG_NO_FILTERS 0x00
-#define PNG_FILTER_NONE 0x08
-#define PNG_FILTER_SUB 0x10
-#define PNG_FILTER_UP 0x20
-#define PNG_FILTER_AVG 0x40
-#define PNG_FILTER_PAETH 0x80
-#define PNG_ALL_FILTERS (PNG_FILTER_NONE | PNG_FILTER_SUB | PNG_FILTER_UP | \
- PNG_FILTER_AVG | PNG_FILTER_PAETH)
-
-/* Filter values (not flags) - used in pngwrite.c, pngwutil.c for now.
- * These defines should NOT be changed.
- */
-#define PNG_FILTER_VALUE_NONE 0
-#define PNG_FILTER_VALUE_SUB 1
-#define PNG_FILTER_VALUE_UP 2
-#define PNG_FILTER_VALUE_AVG 3
-#define PNG_FILTER_VALUE_PAETH 4
-#define PNG_FILTER_VALUE_LAST 5
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) /* EXPERIMENTAL */
-/* The "heuristic_method" is given by one of the PNG_FILTER_HEURISTIC_
- * defines, either the default (minimum-sum-of-absolute-differences), or
- * the experimental method (weighted-minimum-sum-of-absolute-differences).
- *
- * Weights are factors >= 1.0, indicating how important it is to keep the
- * filter type consistent between rows. Larger numbers mean the current
- * filter is that many times as likely to be the same as the "num_weights"
- * previous filters. This is cumulative for each previous row with a weight.
- * There needs to be "num_weights" values in "filter_weights", or it can be
- * NULL if the weights aren't being specified. Weights have no influence on
- * the selection of the first row filter. Well chosen weights can (in theory)
- * improve the compression for a given image.
- *
- * Costs are factors >= 1.0 indicating the relative decoding costs of a
- * filter type. Higher costs indicate more decoding expense, and are
- * therefore less likely to be selected over a filter with lower computational
- * costs. There needs to be a value in "filter_costs" for each valid filter
- * type (given by PNG_FILTER_VALUE_LAST), or it can be NULL if you aren't
- * setting the costs. Costs try to improve the speed of decompression without
- * unduly increasing the compressed image size.
- *
- * A negative weight or cost indicates the default value is to be used, and
- * values in the range [0.0, 1.0) indicate the value is to remain unchanged.
- * The default values for both weights and costs are currently 1.0, but may
- * change if good general weighting/cost heuristics can be found. If both
- * the weights and costs are set to 1.0, this degenerates the WEIGHTED method
- * to the UNWEIGHTED method, but with added encoding time/computation.
- */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_filter_heuristics) PNGARG((png_structp png_ptr,
- int heuristic_method, int num_weights, png_doublep filter_weights,
- png_doublep filter_costs));
-#endif
-#endif /* PNG_WRITE_WEIGHTED_FILTER_SUPPORTED */
-
-/* Heuristic used for row filter selection. These defines should NOT be
- * changed.
- */
-#define PNG_FILTER_HEURISTIC_DEFAULT 0 /* Currently "UNWEIGHTED" */
-#define PNG_FILTER_HEURISTIC_UNWEIGHTED 1 /* Used by libpng < 0.95 */
-#define PNG_FILTER_HEURISTIC_WEIGHTED 2 /* Experimental feature */
-#define PNG_FILTER_HEURISTIC_LAST 3 /* Not a valid value */
-
-/* Set the library compression level. Currently, valid values range from
- * 0 - 9, corresponding directly to the zlib compression levels 0 - 9
- * (0 - no compression, 9 - "maximal" compression). Note that tests have
- * shown that zlib compression levels 3-6 usually perform as well as level 9
- * for PNG images, and do considerably fewer caclulations. In the future,
- * these values may not correspond directly to the zlib compression levels.
- */
-extern PNG_EXPORT(void,png_set_compression_level) PNGARG((png_structp png_ptr,
- int level));
-
-extern PNG_EXPORT(void,png_set_compression_mem_level)
- PNGARG((png_structp png_ptr, int mem_level));
-
-extern PNG_EXPORT(void,png_set_compression_strategy)
- PNGARG((png_structp png_ptr, int strategy));
-
-extern PNG_EXPORT(void,png_set_compression_window_bits)
- PNGARG((png_structp png_ptr, int window_bits));
-
-extern PNG_EXPORT(void,png_set_compression_method) PNGARG((png_structp png_ptr,
- int method));
-
-/* These next functions are called for input/output, memory, and error
- * handling. They are in the file pngrio.c, pngwio.c, and pngerror.c,
- * and call standard C I/O routines such as fread(), fwrite(), and
- * fprintf(). These functions can be made to use other I/O routines
- * at run time for those applications that need to handle I/O in a
- * different manner by calling png_set_???_fn(). See libpng.txt for
- * more information.
- */
-
-#if !defined(PNG_NO_STDIO)
-/* Initialize the input/output for the PNG file to the default functions. */
-extern PNG_EXPORT(void,png_init_io) PNGARG((png_structp png_ptr, png_FILE_p fp));
-#endif
-
-/* Replace the (error and abort), and warning functions with user
- * supplied functions. If no messages are to be printed you must still
- * write and use replacement functions. The replacement error_fn should
- * still do a longjmp to the last setjmp location if you are using this
- * method of error handling. If error_fn or warning_fn is NULL, the
- * default function will be used.
- */
-
-extern PNG_EXPORT(void,png_set_error_fn) PNGARG((png_structp png_ptr,
- png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warning_fn));
-
-/* Return the user pointer associated with the error functions */
-extern PNG_EXPORT(png_voidp,png_get_error_ptr) PNGARG((png_structp png_ptr));
-
-/* Replace the default data output functions with a user supplied one(s).
- * If buffered output is not used, then output_flush_fn can be set to NULL.
- * If PNG_WRITE_FLUSH_SUPPORTED is not defined at libpng compile time
- * output_flush_fn will be ignored (and thus can be NULL).
- * It is probably a mistake to use NULL for output_flush_fn if
- * write_data_fn is not also NULL unless you have built libpng with
- * PNG_WRITE_FLUSH_SUPPORTED undefined, because in this case libpng's
- * default flush function, which uses the standard *FILE structure, will
- * be used.
- */
-extern PNG_EXPORT(void,png_set_write_fn) PNGARG((png_structp png_ptr,
- png_voidp io_ptr, png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn));
-
-/* Replace the default data input function with a user supplied one. */
-extern PNG_EXPORT(void,png_set_read_fn) PNGARG((png_structp png_ptr,
- png_voidp io_ptr, png_rw_ptr read_data_fn));
-
-/* Return the user pointer associated with the I/O functions */
-extern PNG_EXPORT(png_voidp,png_get_io_ptr) PNGARG((png_structp png_ptr));
-
-extern PNG_EXPORT(void,png_set_read_status_fn) PNGARG((png_structp png_ptr,
- png_read_status_ptr read_row_fn));
-
-extern PNG_EXPORT(void,png_set_write_status_fn) PNGARG((png_structp png_ptr,
- png_write_status_ptr write_row_fn));
-
-#ifdef PNG_USER_MEM_SUPPORTED
-/* Replace the default memory allocation functions with user supplied one(s). */
-extern PNG_EXPORT(void,png_set_mem_fn) PNGARG((png_structp png_ptr,
- png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn));
-/* Return the user pointer associated with the memory functions */
-extern PNG_EXPORT(png_voidp,png_get_mem_ptr) PNGARG((png_structp png_ptr));
-#endif
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_LEGACY_SUPPORTED)
-extern PNG_EXPORT(void,png_set_read_user_transform_fn) PNGARG((png_structp
- png_ptr, png_user_transform_ptr read_user_transform_fn));
-#endif
-
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_LEGACY_SUPPORTED)
-extern PNG_EXPORT(void,png_set_write_user_transform_fn) PNGARG((png_structp
- png_ptr, png_user_transform_ptr write_user_transform_fn));
-#endif
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_LEGACY_SUPPORTED)
-extern PNG_EXPORT(void,png_set_user_transform_info) PNGARG((png_structp
- png_ptr, png_voidp user_transform_ptr, int user_transform_depth,
- int user_transform_channels));
-/* Return the user pointer associated with the user transform functions */
-extern PNG_EXPORT(png_voidp,png_get_user_transform_ptr)
- PNGARG((png_structp png_ptr));
-#endif
-
-#ifdef PNG_USER_CHUNKS_SUPPORTED
-extern PNG_EXPORT(void,png_set_read_user_chunk_fn) PNGARG((png_structp png_ptr,
- png_voidp user_chunk_ptr, png_user_chunk_ptr read_user_chunk_fn));
-extern PNG_EXPORT(png_voidp,png_get_user_chunk_ptr) PNGARG((png_structp
- png_ptr));
-#endif
-
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-/* Sets the function callbacks for the push reader, and a pointer to a
- * user-defined structure available to the callback functions.
- */
-extern PNG_EXPORT(void,png_set_progressive_read_fn) PNGARG((png_structp png_ptr,
- png_voidp progressive_ptr,
- png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
- png_progressive_end_ptr end_fn));
-
-/* returns the user pointer associated with the push read functions */
-extern PNG_EXPORT(png_voidp,png_get_progressive_ptr)
- PNGARG((png_structp png_ptr));
-
-/* function to be called when data becomes available */
-extern PNG_EXPORT(void,png_process_data) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_bytep buffer, png_size_t buffer_size));
-
-/* function that combines rows. Not very much different than the
- * png_combine_row() call. Is this even used?????
- */
-extern PNG_EXPORT(void,png_progressive_combine_row) PNGARG((png_structp png_ptr,
- png_bytep old_row, png_bytep new_row));
-#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
-
-extern PNG_EXPORT(png_voidp,png_malloc) PNGARG((png_structp png_ptr,
- png_uint_32 size));
-
-#if defined(PNG_1_0_X)
-# define png_malloc_warn png_malloc
-#else
-/* Added at libpng version 1.2.4 */
-extern PNG_EXPORT(png_voidp,png_malloc_warn) PNGARG((png_structp png_ptr,
- png_uint_32 size));
-#endif
-
-/* frees a pointer allocated by png_malloc() */
-extern PNG_EXPORT(void,png_free) PNGARG((png_structp png_ptr, png_voidp ptr));
-
-#if defined(PNG_1_0_X)
-/* Function to allocate memory for zlib. */
-extern PNG_EXPORT(voidpf,png_zalloc) PNGARG((voidpf png_ptr, uInt items,
- uInt size));
-
-/* Function to free memory for zlib */
-extern PNG_EXPORT(void,png_zfree) PNGARG((voidpf png_ptr, voidpf ptr));
-#endif
-
-/* Free data that was allocated internally */
-extern PNG_EXPORT(void,png_free_data) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 free_me, int num));
-#ifdef PNG_FREE_ME_SUPPORTED
-/* Reassign responsibility for freeing existing data, whether allocated
- * by libpng or by the application */
-extern PNG_EXPORT(void,png_data_freer) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int freer, png_uint_32 mask));
-#endif
-/* assignments for png_data_freer */
-#define PNG_DESTROY_WILL_FREE_DATA 1
-#define PNG_SET_WILL_FREE_DATA 1
-#define PNG_USER_WILL_FREE_DATA 2
-/* Flags for png_ptr->free_me and info_ptr->free_me */
-#define PNG_FREE_HIST 0x0008
-#define PNG_FREE_ICCP 0x0010
-#define PNG_FREE_SPLT 0x0020
-#define PNG_FREE_ROWS 0x0040
-#define PNG_FREE_PCAL 0x0080
-#define PNG_FREE_SCAL 0x0100
-#define PNG_FREE_UNKN 0x0200
-#define PNG_FREE_LIST 0x0400
-#define PNG_FREE_PLTE 0x1000
-#define PNG_FREE_TRNS 0x2000
-#define PNG_FREE_TEXT 0x4000
-#define PNG_FREE_ALL 0x7fff
-#define PNG_FREE_MUL 0x4220 /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */
-
-#ifdef PNG_USER_MEM_SUPPORTED
-extern PNG_EXPORT(png_voidp,png_malloc_default) PNGARG((png_structp png_ptr,
- png_uint_32 size));
-extern PNG_EXPORT(void,png_free_default) PNGARG((png_structp png_ptr,
- png_voidp ptr));
-#endif
-
-extern PNG_EXPORT(png_voidp,png_memcpy_check) PNGARG((png_structp png_ptr,
- png_voidp s1, png_voidp s2, png_uint_32 size));
-
-extern PNG_EXPORT(png_voidp,png_memset_check) PNGARG((png_structp png_ptr,
- png_voidp s1, int value, png_uint_32 size));
-
-#if defined(USE_FAR_KEYWORD) /* memory model conversion function */
-extern void *png_far_to_near PNGARG((png_structp png_ptr,png_voidp ptr,
- int check));
-#endif /* USE_FAR_KEYWORD */
-
-#ifndef PNG_NO_ERROR_TEXT
-/* Fatal error in PNG image of libpng - can't continue */
-extern PNG_EXPORT(void,png_error) PNGARG((png_structp png_ptr,
- png_const_charp error_message));
-
-/* The same, but the chunk name is prepended to the error string. */
-extern PNG_EXPORT(void,png_chunk_error) PNGARG((png_structp png_ptr,
- png_const_charp error_message));
-#else
-/* Fatal error in PNG image of libpng - can't continue */
-extern PNG_EXPORT(void,png_err) PNGARG((png_structp png_ptr));
-#endif
-
-#ifndef PNG_NO_WARNINGS
-/* Non-fatal error in libpng. Can continue, but may have a problem. */
-extern PNG_EXPORT(void,png_warning) PNGARG((png_structp png_ptr,
- png_const_charp warning_message));
-
-#ifdef PNG_READ_SUPPORTED
-/* Non-fatal error in libpng, chunk name is prepended to message. */
-extern PNG_EXPORT(void,png_chunk_warning) PNGARG((png_structp png_ptr,
- png_const_charp warning_message));
-#endif /* PNG_READ_SUPPORTED */
-#endif /* PNG_NO_WARNINGS */
-
-/* The png_set_<chunk> functions are for storing values in the png_info_struct.
- * Similarly, the png_get_<chunk> calls are used to read values from the
- * png_info_struct, either storing the parameters in the passed variables, or
- * setting pointers into the png_info_struct where the data is stored. The
- * png_get_<chunk> functions return a non-zero value if the data was available
- * in info_ptr, or return zero and do not change any of the parameters if the
- * data was not available.
- *
- * These functions should be used instead of directly accessing png_info
- * to avoid problems with future changes in the size and internal layout of
- * png_info_struct.
- */
-/* Returns "flag" if chunk data is valid in info_ptr. */
-extern PNG_EXPORT(png_uint_32,png_get_valid) PNGARG((png_structp png_ptr,
-png_infop info_ptr, png_uint_32 flag));
-
-/* Returns number of bytes needed to hold a transformed row. */
-extern PNG_EXPORT(png_uint_32,png_get_rowbytes) PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-
-#if defined(PNG_INFO_IMAGE_SUPPORTED)
-/* Returns row_pointers, which is an array of pointers to scanlines that was
-returned from png_read_png(). */
-extern PNG_EXPORT(png_bytepp,png_get_rows) PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-/* Set row_pointers, which is an array of pointers to scanlines for use
-by png_write_png(). */
-extern PNG_EXPORT(void,png_set_rows) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_bytepp row_pointers));
-#endif
-
-/* Returns number of color channels in image. */
-extern PNG_EXPORT(png_byte,png_get_channels) PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-
-#ifdef PNG_EASY_ACCESS_SUPPORTED
-/* Returns image width in pixels. */
-extern PNG_EXPORT(png_uint_32, png_get_image_width) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-/* Returns image height in pixels. */
-extern PNG_EXPORT(png_uint_32, png_get_image_height) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-/* Returns image bit_depth. */
-extern PNG_EXPORT(png_byte, png_get_bit_depth) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-/* Returns image color_type. */
-extern PNG_EXPORT(png_byte, png_get_color_type) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-/* Returns image filter_type. */
-extern PNG_EXPORT(png_byte, png_get_filter_type) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-/* Returns image interlace_type. */
-extern PNG_EXPORT(png_byte, png_get_interlace_type) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-/* Returns image compression_type. */
-extern PNG_EXPORT(png_byte, png_get_compression_type) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-/* Returns image resolution in pixels per meter, from pHYs chunk data. */
-extern PNG_EXPORT(png_uint_32, png_get_pixels_per_meter) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-extern PNG_EXPORT(png_uint_32, png_get_x_pixels_per_meter) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-extern PNG_EXPORT(png_uint_32, png_get_y_pixels_per_meter) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-/* Returns pixel aspect ratio, computed from pHYs chunk data. */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(float, png_get_pixel_aspect_ratio) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-#endif
-
-/* Returns image x, y offset in pixels or microns, from oFFs chunk data. */
-extern PNG_EXPORT(png_int_32, png_get_x_offset_pixels) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-extern PNG_EXPORT(png_int_32, png_get_y_offset_pixels) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-extern PNG_EXPORT(png_int_32, png_get_x_offset_microns) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-extern PNG_EXPORT(png_int_32, png_get_y_offset_microns) PNGARG((png_structp
-png_ptr, png_infop info_ptr));
-
-#endif /* PNG_EASY_ACCESS_SUPPORTED */
-
-/* Returns pointer to signature string read from PNG header */
-extern PNG_EXPORT(png_bytep,png_get_signature) PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-
-#if defined(PNG_bKGD_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_bKGD) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_color_16p *background));
-#endif
-
-#if defined(PNG_bKGD_SUPPORTED)
-extern PNG_EXPORT(void,png_set_bKGD) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_color_16p background));
-#endif
-
-#if defined(PNG_cHRM_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(png_uint_32,png_get_cHRM) PNGARG((png_structp png_ptr,
- png_infop info_ptr, double *white_x, double *white_y, double *red_x,
- double *red_y, double *green_x, double *green_y, double *blue_x,
- double *blue_y));
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
-extern PNG_EXPORT(png_uint_32,png_get_cHRM_fixed) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_fixed_point *int_white_x, png_fixed_point
- *int_white_y, png_fixed_point *int_red_x, png_fixed_point *int_red_y,
- png_fixed_point *int_green_x, png_fixed_point *int_green_y, png_fixed_point
- *int_blue_x, png_fixed_point *int_blue_y));
-#endif
-#endif
-
-#if defined(PNG_cHRM_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_cHRM) PNGARG((png_structp png_ptr,
- png_infop info_ptr, double white_x, double white_y, double red_x,
- double red_y, double green_x, double green_y, double blue_x, double blue_y));
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_cHRM_fixed) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_fixed_point int_white_x, png_fixed_point int_white_y,
- png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point
- int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x,
- png_fixed_point int_blue_y));
-#endif
-#endif
-
-#if defined(PNG_gAMA_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(png_uint_32,png_get_gAMA) PNGARG((png_structp png_ptr,
- png_infop info_ptr, double *file_gamma));
-#endif
-extern PNG_EXPORT(png_uint_32,png_get_gAMA_fixed) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_fixed_point *int_file_gamma));
-#endif
-
-#if defined(PNG_gAMA_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_gAMA) PNGARG((png_structp png_ptr,
- png_infop info_ptr, double file_gamma));
-#endif
-extern PNG_EXPORT(void,png_set_gAMA_fixed) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_fixed_point int_file_gamma));
-#endif
-
-#if defined(PNG_hIST_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_hIST) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_16p *hist));
-#endif
-
-#if defined(PNG_hIST_SUPPORTED)
-extern PNG_EXPORT(void,png_set_hIST) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_16p hist));
-#endif
-
-extern PNG_EXPORT(png_uint_32,png_get_IHDR) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 *width, png_uint_32 *height,
- int *bit_depth, int *color_type, int *interlace_method,
- int *compression_method, int *filter_method));
-
-extern PNG_EXPORT(void,png_set_IHDR) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 width, png_uint_32 height, int bit_depth,
- int color_type, int interlace_method, int compression_method,
- int filter_method));
-
-#if defined(PNG_oFFs_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_oFFs) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_int_32 *offset_x, png_int_32 *offset_y,
- int *unit_type));
-#endif
-
-#if defined(PNG_oFFs_SUPPORTED)
-extern PNG_EXPORT(void,png_set_oFFs) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_int_32 offset_x, png_int_32 offset_y,
- int unit_type));
-#endif
-
-#if defined(PNG_pCAL_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_pCAL) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_charp *purpose, png_int_32 *X0, png_int_32 *X1,
- int *type, int *nparams, png_charp *units, png_charpp *params));
-#endif
-
-#if defined(PNG_pCAL_SUPPORTED)
-extern PNG_EXPORT(void,png_set_pCAL) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1,
- int type, int nparams, png_charp units, png_charpp params));
-#endif
-
-#if defined(PNG_pHYs_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_pHYs) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type));
-#endif
-
-#if defined(PNG_pHYs_SUPPORTED)
-extern PNG_EXPORT(void,png_set_pHYs) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 res_x, png_uint_32 res_y, int unit_type));
-#endif
-
-extern PNG_EXPORT(png_uint_32,png_get_PLTE) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_colorp *palette, int *num_palette));
-
-extern PNG_EXPORT(void,png_set_PLTE) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_colorp palette, int num_palette));
-
-#if defined(PNG_sBIT_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_sBIT) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_color_8p *sig_bit));
-#endif
-
-#if defined(PNG_sBIT_SUPPORTED)
-extern PNG_EXPORT(void,png_set_sBIT) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_color_8p sig_bit));
-#endif
-
-#if defined(PNG_sRGB_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_sRGB) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int *intent));
-#endif
-
-#if defined(PNG_sRGB_SUPPORTED)
-extern PNG_EXPORT(void,png_set_sRGB) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int intent));
-extern PNG_EXPORT(void,png_set_sRGB_gAMA_and_cHRM) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int intent));
-#endif
-
-#if defined(PNG_iCCP_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_iCCP) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_charpp name, int *compression_type,
- png_charpp profile, png_uint_32 *proflen));
- /* Note to maintainer: profile should be png_bytepp */
-#endif
-
-#if defined(PNG_iCCP_SUPPORTED)
-extern PNG_EXPORT(void,png_set_iCCP) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_charp name, int compression_type,
- png_charp profile, png_uint_32 proflen));
- /* Note to maintainer: profile should be png_bytep */
-#endif
-
-#if defined(PNG_sPLT_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_sPLT) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_sPLT_tpp entries));
-#endif
-
-#if defined(PNG_sPLT_SUPPORTED)
-extern PNG_EXPORT(void,png_set_sPLT) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_sPLT_tp entries, int nentries));
-#endif
-
-#if defined(PNG_TEXT_SUPPORTED)
-/* png_get_text also returns the number of text chunks in *num_text */
-extern PNG_EXPORT(png_uint_32,png_get_text) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_textp *text_ptr, int *num_text));
-#endif
-
-/*
- * Note while png_set_text() will accept a structure whose text,
- * language, and translated keywords are NULL pointers, the structure
- * returned by png_get_text will always contain regular
- * zero-terminated C strings. They might be empty strings but
- * they will never be NULL pointers.
- */
-
-#if defined(PNG_TEXT_SUPPORTED)
-extern PNG_EXPORT(void,png_set_text) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_textp text_ptr, int num_text));
-#endif
-
-#if defined(PNG_tIME_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_tIME) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_timep *mod_time));
-#endif
-
-#if defined(PNG_tIME_SUPPORTED)
-extern PNG_EXPORT(void,png_set_tIME) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_timep mod_time));
-#endif
-
-#if defined(PNG_tRNS_SUPPORTED)
-extern PNG_EXPORT(png_uint_32,png_get_tRNS) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_bytep *trans, int *num_trans,
- png_color_16p *trans_values));
-#endif
-
-#if defined(PNG_tRNS_SUPPORTED)
-extern PNG_EXPORT(void,png_set_tRNS) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_bytep trans, int num_trans,
- png_color_16p trans_values));
-#endif
-
-#if defined(PNG_tRNS_SUPPORTED)
-#endif
-
-#if defined(PNG_sCAL_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(png_uint_32,png_get_sCAL) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int *unit, double *width, double *height));
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
-extern PNG_EXPORT(png_uint_32,png_get_sCAL_s) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int *unit, png_charpp swidth, png_charpp sheight));
-#endif
-#endif
-#endif /* PNG_sCAL_SUPPORTED */
-
-#if defined(PNG_sCAL_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_sCAL) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int unit, double width, double height));
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
-extern PNG_EXPORT(void,png_set_sCAL_s) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int unit, png_charp swidth, png_charp sheight));
-#endif
-#endif
-#endif /* PNG_sCAL_SUPPORTED || PNG_WRITE_sCAL_SUPPORTED */
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
-/* provide a list of chunks and how they are to be handled, if the built-in
- handling or default unknown chunk handling is not desired. Any chunks not
- listed will be handled in the default manner. The IHDR and IEND chunks
- must not be listed.
- keep = 0: follow default behaviour
- = 1: do not keep
- = 2: keep only if safe-to-copy
- = 3: keep even if unsafe-to-copy
-*/
-extern PNG_EXPORT(void, png_set_keep_unknown_chunks) PNGARG((png_structp
- png_ptr, int keep, png_bytep chunk_list, int num_chunks));
-extern PNG_EXPORT(void, png_set_unknown_chunks) PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_unknown_chunkp unknowns, int num_unknowns));
-extern PNG_EXPORT(void, png_set_unknown_chunk_location)
- PNGARG((png_structp png_ptr, png_infop info_ptr, int chunk, int location));
-extern PNG_EXPORT(png_uint_32,png_get_unknown_chunks) PNGARG((png_structp
- png_ptr, png_infop info_ptr, png_unknown_chunkpp entries));
-#endif
-#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
-PNG_EXPORT(int,png_handle_as_unknown) PNGARG((png_structp png_ptr, png_bytep
- chunk_name));
-#endif
-
-/* Png_free_data() will turn off the "valid" flag for anything it frees.
- If you need to turn it off for a chunk that your application has freed,
- you can use png_set_invalid(png_ptr, info_ptr, PNG_INFO_CHNK); */
-extern PNG_EXPORT(void, png_set_invalid) PNGARG((png_structp png_ptr,
- png_infop info_ptr, int mask));
-
-#if defined(PNG_INFO_IMAGE_SUPPORTED)
-/* The "params" pointer is currently not used and is for future expansion. */
-extern PNG_EXPORT(void, png_read_png) PNGARG((png_structp png_ptr,
- png_infop info_ptr,
- int transforms,
- png_voidp params));
-extern PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr,
- png_infop info_ptr,
- int transforms,
- png_voidp params));
-#endif
-
-/* Define PNG_DEBUG at compile time for debugging information. Higher
- * numbers for PNG_DEBUG mean more debugging information. This has
- * only been added since version 0.95 so it is not implemented throughout
- * libpng yet, but more support will be added as needed.
- */
-#ifdef PNG_DEBUG
-#if (PNG_DEBUG > 0)
-#if !defined(PNG_DEBUG_FILE) && defined(_MSC_VER)
-#include <crtdbg.h>
-#if (PNG_DEBUG > 1)
-#ifndef _DEBUG
-# define _DEBUG
-#endif
-#ifndef png_debug
-#define png_debug(l,m) _RPT0(_CRT_WARN,m PNG_STRING_NEWLINE)
-#endif
-#ifndef png_debug1
-#define png_debug1(l,m,p1) _RPT1(_CRT_WARN,m PNG_STRING_NEWLINE,p1)
-#endif
-#ifndef png_debug2
-#define png_debug2(l,m,p1,p2) _RPT2(_CRT_WARN,m PNG_STRING_NEWLINE,p1,p2)
-#endif
-#endif
-#else /* PNG_DEBUG_FILE || !_MSC_VER */
-#ifndef PNG_DEBUG_FILE
-#define PNG_DEBUG_FILE stderr
-#endif /* PNG_DEBUG_FILE */
-
-#if (PNG_DEBUG > 1)
-/* Note: ["%s"m PNG_STRING_NEWLINE] probably does not work on
- * non-ISO compilers */
-# ifdef __STDC__
-# ifndef png_debug
-# define png_debug(l,m) \
- { \
- int num_tabs=l; \
- fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
- (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":"")))); \
- }
-# endif
-# ifndef png_debug1
-# define png_debug1(l,m,p1) \
- { \
- int num_tabs=l; \
- fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
- (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1); \
- }
-# endif
-# ifndef png_debug2
-# define png_debug2(l,m,p1,p2) \
- { \
- int num_tabs=l; \
- fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
- (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1,p2); \
- }
-# endif
-# else /* __STDC __ */
-# ifndef png_debug
-# define png_debug(l,m) \
- { \
- int num_tabs=l; \
- char format[256]; \
- snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
- (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
- m,PNG_STRING_NEWLINE); \
- fprintf(PNG_DEBUG_FILE,format); \
- }
-# endif
-# ifndef png_debug1
-# define png_debug1(l,m,p1) \
- { \
- int num_tabs=l; \
- char format[256]; \
- snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
- (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
- m,PNG_STRING_NEWLINE); \
- fprintf(PNG_DEBUG_FILE,format,p1); \
- }
-# endif
-# ifndef png_debug2
-# define png_debug2(l,m,p1,p2) \
- { \
- int num_tabs=l; \
- char format[256]; \
- snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
- (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
- m,PNG_STRING_NEWLINE); \
- fprintf(PNG_DEBUG_FILE,format,p1,p2); \
- }
-# endif
-# endif /* __STDC __ */
-#endif /* (PNG_DEBUG > 1) */
-
-#endif /* _MSC_VER */
-#endif /* (PNG_DEBUG > 0) */
-#endif /* PNG_DEBUG */
-#ifndef png_debug
-#define png_debug(l, m)
-#endif
-#ifndef png_debug1
-#define png_debug1(l, m, p1)
-#endif
-#ifndef png_debug2
-#define png_debug2(l, m, p1, p2)
-#endif
-
-extern PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr));
-extern PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr));
-extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp png_ptr));
-extern PNG_EXPORT(png_charp,png_get_libpng_ver) PNGARG((png_structp png_ptr));
-
-#ifdef PNG_MNG_FEATURES_SUPPORTED
-extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
- png_ptr, png_uint_32 mng_features_permitted));
-#endif
-
-/* For use in png_set_keep_unknown, added to version 1.2.6 */
-#define PNG_HANDLE_CHUNK_AS_DEFAULT 0
-#define PNG_HANDLE_CHUNK_NEVER 1
-#define PNG_HANDLE_CHUNK_IF_SAFE 2
-#define PNG_HANDLE_CHUNK_ALWAYS 3
-
-/* Added to version 1.2.0 */
-#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
-#if defined(PNG_MMX_CODE_SUPPORTED)
-#define PNG_ASM_FLAG_MMX_SUPPORT_COMPILED 0x01 /* not user-settable */
-#define PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU 0x02 /* not user-settable */
-#define PNG_ASM_FLAG_MMX_READ_COMBINE_ROW 0x04
-#define PNG_ASM_FLAG_MMX_READ_INTERLACE 0x08
-#define PNG_ASM_FLAG_MMX_READ_FILTER_SUB 0x10
-#define PNG_ASM_FLAG_MMX_READ_FILTER_UP 0x20
-#define PNG_ASM_FLAG_MMX_READ_FILTER_AVG 0x40
-#define PNG_ASM_FLAG_MMX_READ_FILTER_PAETH 0x80
-#define PNG_ASM_FLAGS_INITIALIZED 0x80000000 /* not user-settable */
-
-#define PNG_MMX_READ_FLAGS ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \
- | PNG_ASM_FLAG_MMX_READ_INTERLACE \
- | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
- | PNG_ASM_FLAG_MMX_READ_FILTER_UP \
- | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
- | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH )
-#define PNG_MMX_WRITE_FLAGS ( 0 )
-
-#define PNG_MMX_FLAGS ( PNG_ASM_FLAG_MMX_SUPPORT_COMPILED \
- | PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU \
- | PNG_MMX_READ_FLAGS \
- | PNG_MMX_WRITE_FLAGS )
-
-#define PNG_SELECT_READ 1
-#define PNG_SELECT_WRITE 2
-#endif /* PNG_MMX_CODE_SUPPORTED */
-
-#if !defined(PNG_1_0_X)
-/* pngget.c */
-extern PNG_EXPORT(png_uint_32,png_get_mmx_flagmask)
- PNGARG((int flag_select, int *compilerID));
-
-/* pngget.c */
-extern PNG_EXPORT(png_uint_32,png_get_asm_flagmask)
- PNGARG((int flag_select));
-
-/* pngget.c */
-extern PNG_EXPORT(png_uint_32,png_get_asm_flags)
- PNGARG((png_structp png_ptr));
-
-/* pngget.c */
-extern PNG_EXPORT(png_byte,png_get_mmx_bitdepth_threshold)
- PNGARG((png_structp png_ptr));
-
-/* pngget.c */
-extern PNG_EXPORT(png_uint_32,png_get_mmx_rowbytes_threshold)
- PNGARG((png_structp png_ptr));
-
-/* pngset.c */
-extern PNG_EXPORT(void,png_set_asm_flags)
- PNGARG((png_structp png_ptr, png_uint_32 asm_flags));
-
-/* pngset.c */
-extern PNG_EXPORT(void,png_set_mmx_thresholds)
- PNGARG((png_structp png_ptr, png_byte mmx_bitdepth_threshold,
- png_uint_32 mmx_rowbytes_threshold));
-
-#endif /* PNG_1_0_X */
-
-#if !defined(PNG_1_0_X)
-/* png.c, pnggccrd.c, or pngvcrd.c */
-extern PNG_EXPORT(int,png_mmx_support) PNGARG((void));
-#endif /* PNG_1_0_X */
-#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
-
-/* Strip the prepended error numbers ("#nnn ") from error and warning
- * messages before passing them to the error or warning handler. */
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
-extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp
- png_ptr, png_uint_32 strip_mode));
-#endif
-
-/* Added at libpng-1.2.6 */
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
-extern PNG_EXPORT(void,png_set_user_limits) PNGARG((png_structp
- png_ptr, png_uint_32 user_width_max, png_uint_32 user_height_max));
-extern PNG_EXPORT(png_uint_32,png_get_user_width_max) PNGARG((png_structp
- png_ptr));
-extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp
- png_ptr));
-#endif
-
-
-/* Maintainer: Put new public prototypes here ^, in libpng.3, and project defs */
-
-#ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
-/* With these routines we avoid an integer divide, which will be slower on
- * most machines. However, it does take more operations than the corresponding
- * divide method, so it may be slower on a few RISC systems. There are two
- * shifts (by 8 or 16 bits) and an addition, versus a single integer divide.
- *
- * Note that the rounding factors are NOT supposed to be the same! 128 and
- * 32768 are correct for the NODIV code; 127 and 32767 are correct for the
- * standard method.
- *
- * [Optimized code by Greg Roelofs and Mark Adler...blame us for bugs. :-) ]
- */
-
- /* fg and bg should be in `gamma 1.0' space; alpha is the opacity */
-
-# define png_composite(composite, fg, alpha, bg) \
- { png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) * (png_uint_16)(alpha) \
- + (png_uint_16)(bg)*(png_uint_16)(255 - \
- (png_uint_16)(alpha)) + (png_uint_16)128); \
- (composite) = (png_byte)((temp + (temp >> 8)) >> 8); }
-
-# define png_composite_16(composite, fg, alpha, bg) \
- { png_uint_32 temp = (png_uint_32)((png_uint_32)(fg) * (png_uint_32)(alpha) \
- + (png_uint_32)(bg)*(png_uint_32)(65535L - \
- (png_uint_32)(alpha)) + (png_uint_32)32768L); \
- (composite) = (png_uint_16)((temp + (temp >> 16)) >> 16); }
-
-#else /* standard method using integer division */
-
-# define png_composite(composite, fg, alpha, bg) \
- (composite) = (png_byte)(((png_uint_16)(fg) * (png_uint_16)(alpha) + \
- (png_uint_16)(bg) * (png_uint_16)(255 - (png_uint_16)(alpha)) + \
- (png_uint_16)127) / 255)
-
-# define png_composite_16(composite, fg, alpha, bg) \
- (composite) = (png_uint_16)(((png_uint_32)(fg) * (png_uint_32)(alpha) + \
- (png_uint_32)(bg)*(png_uint_32)(65535L - (png_uint_32)(alpha)) + \
- (png_uint_32)32767) / (png_uint_32)65535L)
-
-#endif /* PNG_READ_COMPOSITE_NODIV_SUPPORTED */
-
-/* Inline macros to do direct reads of bytes from the input buffer. These
- * require that you are using an architecture that uses PNG byte ordering
- * (MSB first) and supports unaligned data storage. I think that PowerPC
- * in big-endian mode and 680x0 are the only ones that will support this.
- * The x86 line of processors definitely do not. The png_get_int_32()
- * routine also assumes we are using two's complement format for negative
- * values, which is almost certainly true.
- */
-#if defined(PNG_READ_BIG_ENDIAN_SUPPORTED)
-# define png_get_uint_32(buf) ( *((png_uint_32p) (buf)))
-# define png_get_uint_16(buf) ( *((png_uint_16p) (buf)))
-# define png_get_int_32(buf) ( *((png_int_32p) (buf)))
-#else
-extern PNG_EXPORT(png_uint_32,png_get_uint_32) PNGARG((png_bytep buf));
-extern PNG_EXPORT(png_uint_16,png_get_uint_16) PNGARG((png_bytep buf));
-extern PNG_EXPORT(png_int_32,png_get_int_32) PNGARG((png_bytep buf));
-#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */
-extern PNG_EXPORT(png_uint_32,png_get_uint_31)
- PNGARG((png_structp png_ptr, png_bytep buf));
-/* No png_get_int_16 -- may be added if there's a real need for it. */
-
-/* Place a 32-bit number into a buffer in PNG byte order (big-endian).
- */
-extern PNG_EXPORT(void,png_save_uint_32)
- PNGARG((png_bytep buf, png_uint_32 i));
-extern PNG_EXPORT(void,png_save_int_32)
- PNGARG((png_bytep buf, png_int_32 i));
-
-/* Place a 16-bit number into a buffer in PNG byte order.
- * The parameter is declared unsigned int, not png_uint_16,
- * just to avoid potential problems on pre-ANSI C compilers.
- */
-extern PNG_EXPORT(void,png_save_uint_16)
- PNGARG((png_bytep buf, unsigned int i));
-/* No png_save_int_16 -- may be added if there's a real need for it. */
-
-/* ************************************************************************* */
-
-/* These next functions are used internally in the code. They generally
- * shouldn't be used unless you are writing code to add or replace some
- * functionality in libpng. More information about most functions can
- * be found in the files where the functions are located.
- */
-
-
-/* Various modes of operation, that are visible to applications because
- * they are used for unknown chunk location.
- */
-#define PNG_HAVE_IHDR 0x01
-#define PNG_HAVE_PLTE 0x02
-#define PNG_HAVE_IDAT 0x04
-#define PNG_AFTER_IDAT 0x08 /* Have complete zlib datastream */
-#define PNG_HAVE_IEND 0x10
-
-#if defined(PNG_INTERNAL)
-
-/* More modes of operation. Note that after an init, mode is set to
- * zero automatically when the structure is created.
- */
-#define PNG_HAVE_gAMA 0x20
-#define PNG_HAVE_cHRM 0x40
-#define PNG_HAVE_sRGB 0x80
-#define PNG_HAVE_CHUNK_HEADER 0x100
-#define PNG_WROTE_tIME 0x200
-#define PNG_WROTE_INFO_BEFORE_PLTE 0x400
-#define PNG_BACKGROUND_IS_GRAY 0x800
-#define PNG_HAVE_PNG_SIGNATURE 0x1000
-#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
-
-/* flags for the transformations the PNG library does on the image data */
-#define PNG_BGR 0x0001
-#define PNG_INTERLACE 0x0002
-#define PNG_PACK 0x0004
-#define PNG_SHIFT 0x0008
-#define PNG_SWAP_BYTES 0x0010
-#define PNG_INVERT_MONO 0x0020
-#define PNG_DITHER 0x0040
-#define PNG_BACKGROUND 0x0080
-#define PNG_BACKGROUND_EXPAND 0x0100
- /* 0x0200 unused */
-#define PNG_16_TO_8 0x0400
-#define PNG_RGBA 0x0800
-#define PNG_EXPAND 0x1000
-#define PNG_GAMMA 0x2000
-#define PNG_GRAY_TO_RGB 0x4000
-#define PNG_FILLER 0x8000L
-#define PNG_PACKSWAP 0x10000L
-#define PNG_SWAP_ALPHA 0x20000L
-#define PNG_STRIP_ALPHA 0x40000L
-#define PNG_INVERT_ALPHA 0x80000L
-#define PNG_USER_TRANSFORM 0x100000L
-#define PNG_RGB_TO_GRAY_ERR 0x200000L
-#define PNG_RGB_TO_GRAY_WARN 0x400000L
-#define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */
- /* 0x800000L Unused */
-#define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */
-#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */
- /* 0x4000000L unused */
- /* 0x8000000L unused */
- /* 0x10000000L unused */
- /* 0x20000000L unused */
- /* 0x40000000L unused */
-
-/* flags for png_create_struct */
-#define PNG_STRUCT_PNG 0x0001
-#define PNG_STRUCT_INFO 0x0002
-
-/* Scaling factor for filter heuristic weighting calculations */
-#define PNG_WEIGHT_SHIFT 8
-#define PNG_WEIGHT_FACTOR (1<<(PNG_WEIGHT_SHIFT))
-#define PNG_COST_SHIFT 3
-#define PNG_COST_FACTOR (1<<(PNG_COST_SHIFT))
-
-/* flags for the png_ptr->flags rather than declaring a byte for each one */
-#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001
-#define PNG_FLAG_ZLIB_CUSTOM_LEVEL 0x0002
-#define PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL 0x0004
-#define PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS 0x0008
-#define PNG_FLAG_ZLIB_CUSTOM_METHOD 0x0010
-#define PNG_FLAG_ZLIB_FINISHED 0x0020
-#define PNG_FLAG_ROW_INIT 0x0040
-#define PNG_FLAG_FILLER_AFTER 0x0080
-#define PNG_FLAG_CRC_ANCILLARY_USE 0x0100
-#define PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200
-#define PNG_FLAG_CRC_CRITICAL_USE 0x0400
-#define PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800
-#define PNG_FLAG_FREE_PLTE 0x1000
-#define PNG_FLAG_FREE_TRNS 0x2000
-#define PNG_FLAG_FREE_HIST 0x4000
-#define PNG_FLAG_KEEP_UNKNOWN_CHUNKS 0x8000L
-#define PNG_FLAG_KEEP_UNSAFE_CHUNKS 0x10000L
-#define PNG_FLAG_LIBRARY_MISMATCH 0x20000L
-#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000L
-#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000L
-#define PNG_FLAG_MALLOC_NULL_MEM_OK 0x100000L
-#define PNG_FLAG_ADD_ALPHA 0x200000L /* Added to libpng-1.2.8 */
-#define PNG_FLAG_STRIP_ALPHA 0x400000L /* Added to libpng-1.2.8 */
- /* 0x800000L unused */
- /* 0x1000000L unused */
- /* 0x2000000L unused */
- /* 0x4000000L unused */
- /* 0x8000000L unused */
- /* 0x10000000L unused */
- /* 0x20000000L unused */
- /* 0x40000000L unused */
-
-#define PNG_FLAG_CRC_ANCILLARY_MASK (PNG_FLAG_CRC_ANCILLARY_USE | \
- PNG_FLAG_CRC_ANCILLARY_NOWARN)
-
-#define PNG_FLAG_CRC_CRITICAL_MASK (PNG_FLAG_CRC_CRITICAL_USE | \
- PNG_FLAG_CRC_CRITICAL_IGNORE)
-
-#define PNG_FLAG_CRC_MASK (PNG_FLAG_CRC_ANCILLARY_MASK | \
- PNG_FLAG_CRC_CRITICAL_MASK)
-
-/* save typing and make code easier to understand */
-
-#define PNG_COLOR_DIST(c1, c2) (abs((int)((c1).red) - (int)((c2).red)) + \
- abs((int)((c1).green) - (int)((c2).green)) + \
- abs((int)((c1).blue) - (int)((c2).blue)))
-
-/* Added to libpng-1.2.6 JB */
-#define PNG_ROWBYTES(pixel_bits, width) \
- ((pixel_bits) >= 8 ? \
- ((width) * (((png_uint_32)(pixel_bits)) >> 3)) : \
- (( ((width) * ((png_uint_32)(pixel_bits))) + 7) >> 3) )
-
-/* PNG_OUT_OF_RANGE returns true if value is outside the range
- ideal-delta..ideal+delta. Each argument is evaluated twice.
- "ideal" and "delta" should be constants, normally simple
- integers, "value" a variable. Added to libpng-1.2.6 JB */
-#define PNG_OUT_OF_RANGE(value, ideal, delta) \
- ( (value) < (ideal)-(delta) || (value) > (ideal)+(delta) )
-
-/* variables declared in png.c - only it needs to define PNG_NO_EXTERN */
-#if !defined(PNG_NO_EXTERN) || defined(PNG_ALWAYS_EXTERN)
-/* place to hold the signature string for a PNG file. */
-#ifdef PNG_USE_GLOBAL_ARRAYS
- PNG_EXPORT_VAR (PNG_CONST png_byte FARDATA) png_sig[8];
-#else
-#endif
-#endif /* PNG_NO_EXTERN */
-
-/* Constant strings for known chunk types. If you need to add a chunk,
- * define the name here, and add an invocation of the macro in png.c and
- * wherever it's needed.
- */
-#define PNG_IHDR png_byte png_IHDR[5] = { 73, 72, 68, 82, '\0'}
-#define PNG_IDAT png_byte png_IDAT[5] = { 73, 68, 65, 84, '\0'}
-#define PNG_IEND png_byte png_IEND[5] = { 73, 69, 78, 68, '\0'}
-#define PNG_PLTE png_byte png_PLTE[5] = { 80, 76, 84, 69, '\0'}
-#define PNG_bKGD png_byte png_bKGD[5] = { 98, 75, 71, 68, '\0'}
-#define PNG_cHRM png_byte png_cHRM[5] = { 99, 72, 82, 77, '\0'}
-#define PNG_gAMA png_byte png_gAMA[5] = {103, 65, 77, 65, '\0'}
-#define PNG_hIST png_byte png_hIST[5] = {104, 73, 83, 84, '\0'}
-#define PNG_iCCP png_byte png_iCCP[5] = {105, 67, 67, 80, '\0'}
-#define PNG_iTXt png_byte png_iTXt[5] = {105, 84, 88, 116, '\0'}
-#define PNG_oFFs png_byte png_oFFs[5] = {111, 70, 70, 115, '\0'}
-#define PNG_pCAL png_byte png_pCAL[5] = {112, 67, 65, 76, '\0'}
-#define PNG_sCAL png_byte png_sCAL[5] = {115, 67, 65, 76, '\0'}
-#define PNG_pHYs png_byte png_pHYs[5] = {112, 72, 89, 115, '\0'}
-#define PNG_sBIT png_byte png_sBIT[5] = {115, 66, 73, 84, '\0'}
-#define PNG_sPLT png_byte png_sPLT[5] = {115, 80, 76, 84, '\0'}
-#define PNG_sRGB png_byte png_sRGB[5] = {115, 82, 71, 66, '\0'}
-#define PNG_tEXt png_byte png_tEXt[5] = {116, 69, 88, 116, '\0'}
-#define PNG_tIME png_byte png_tIME[5] = {116, 73, 77, 69, '\0'}
-#define PNG_tRNS png_byte png_tRNS[5] = {116, 82, 78, 83, '\0'}
-#define PNG_zTXt png_byte png_zTXt[5] = {122, 84, 88, 116, '\0'}
-
-#ifdef PNG_USE_GLOBAL_ARRAYS
-PNG_EXPORT_VAR (png_byte FARDATA) png_IHDR[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_IDAT[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_IEND[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_PLTE[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_bKGD[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_cHRM[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_gAMA[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_hIST[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_iCCP[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_iTXt[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_oFFs[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_pCAL[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_sCAL[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_pHYs[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_sBIT[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_sPLT[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_sRGB[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_tEXt[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_tIME[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_tRNS[5];
-PNG_EXPORT_VAR (png_byte FARDATA) png_zTXt[5];
-#endif /* PNG_USE_GLOBAL_ARRAYS */
-
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-/* Initialize png_ptr struct for reading, and allocate any other memory.
- * (old interface - DEPRECATED - use png_create_read_struct instead).
- */
-extern PNG_EXPORT(void,png_read_init) PNGARG((png_structp png_ptr));
-#undef png_read_init
-#define png_read_init(png_ptr) png_read_init_3(&png_ptr, \
- PNG_LIBPNG_VER_STRING, png_sizeof(png_struct));
-#endif
-
-extern PNG_EXPORT(void,png_read_init_3) PNGARG((png_structpp ptr_ptr,
- png_const_charp user_png_ver, png_size_t png_struct_size));
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-extern PNG_EXPORT(void,png_read_init_2) PNGARG((png_structp png_ptr,
- png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t
- png_info_size));
-#endif
-
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-/* Initialize png_ptr struct for writing, and allocate any other memory.
- * (old interface - DEPRECATED - use png_create_write_struct instead).
- */
-extern PNG_EXPORT(void,png_write_init) PNGARG((png_structp png_ptr));
-#undef png_write_init
-#define png_write_init(png_ptr) png_write_init_3(&png_ptr, \
- PNG_LIBPNG_VER_STRING, png_sizeof(png_struct));
-#endif
-
-extern PNG_EXPORT(void,png_write_init_3) PNGARG((png_structpp ptr_ptr,
- png_const_charp user_png_ver, png_size_t png_struct_size));
-extern PNG_EXPORT(void,png_write_init_2) PNGARG((png_structp png_ptr,
- png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t
- png_info_size));
-
-/* Allocate memory for an internal libpng struct */
-PNG_EXTERN png_voidp png_create_struct PNGARG((int type));
-
-/* Free memory from internal libpng struct */
-PNG_EXTERN void png_destroy_struct PNGARG((png_voidp struct_ptr));
-
-PNG_EXTERN png_voidp png_create_struct_2 PNGARG((int type, png_malloc_ptr
- malloc_fn, png_voidp mem_ptr));
-PNG_EXTERN void png_destroy_struct_2 PNGARG((png_voidp struct_ptr,
- png_free_ptr free_fn, png_voidp mem_ptr));
-
-/* Free any memory that info_ptr points to and reset struct. */
-PNG_EXTERN void png_info_destroy PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-
-#ifndef PNG_1_0_X
-/* Function to allocate memory for zlib. */
-PNG_EXTERN voidpf png_zalloc PNGARG((voidpf png_ptr, uInt items, uInt size));
-
-/* Function to free memory for zlib */
-PNG_EXTERN void png_zfree PNGARG((voidpf png_ptr, voidpf ptr));
-
-#ifdef PNG_SIZE_T
-/* Function to convert a sizeof an item to png_sizeof item */
- PNG_EXTERN png_size_t PNGAPI png_convert_size PNGARG((size_t size));
-#endif
-
-/* Next four functions are used internally as callbacks. PNGAPI is required
- * but not PNG_EXPORT. PNGAPI added at libpng version 1.2.3. */
-
-PNG_EXTERN void PNGAPI png_default_read_data PNGARG((png_structp png_ptr,
- png_bytep data, png_size_t length));
-
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-PNG_EXTERN void PNGAPI png_push_fill_buffer PNGARG((png_structp png_ptr,
- png_bytep buffer, png_size_t length));
-#endif
-
-PNG_EXTERN void PNGAPI png_default_write_data PNGARG((png_structp png_ptr,
- png_bytep data, png_size_t length));
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
-#if !defined(PNG_NO_STDIO)
-PNG_EXTERN void PNGAPI png_default_flush PNGARG((png_structp png_ptr));
-#endif
-#endif
-#else /* PNG_1_0_X */
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-PNG_EXTERN void png_push_fill_buffer PNGARG((png_structp png_ptr,
- png_bytep buffer, png_size_t length));
-#endif
-#endif /* PNG_1_0_X */
-
-/* Reset the CRC variable */
-PNG_EXTERN void png_reset_crc PNGARG((png_structp png_ptr));
-
-/* Write the "data" buffer to whatever output you are using. */
-PNG_EXTERN void png_write_data PNGARG((png_structp png_ptr, png_bytep data,
- png_size_t length));
-
-/* Read data from whatever input you are using into the "data" buffer */
-PNG_EXTERN void png_read_data PNGARG((png_structp png_ptr, png_bytep data,
- png_size_t length));
-
-/* Read bytes into buf, and update png_ptr->crc */
-PNG_EXTERN void png_crc_read PNGARG((png_structp png_ptr, png_bytep buf,
- png_size_t length));
-
-/* Decompress data in a chunk that uses compression */
-#if defined(PNG_zTXt_SUPPORTED) || defined(PNG_iTXt_SUPPORTED) || \
- defined(PNG_iCCP_SUPPORTED) || defined(PNG_sPLT_SUPPORTED)
-PNG_EXTERN void png_decompress_chunk PNGARG((png_structp png_ptr,
- int comp_type, png_size_t chunklength,
- png_size_t prefix_length, png_size_t *data_length));
-#endif
-
-/* Read "skip" bytes, read the file crc, and (optionally) verify png_ptr->crc */
-PNG_EXTERN int png_crc_finish PNGARG((png_structp png_ptr, png_uint_32 skip));
-
-/* Read the CRC from the file and compare it to the libpng calculated CRC */
-PNG_EXTERN int png_crc_error PNGARG((png_structp png_ptr));
-
-/* Calculate the CRC over a section of data. Note that we are only
- * passing a maximum of 64K on systems that have this as a memory limit,
- * since this is the maximum buffer size we can specify.
- */
-PNG_EXTERN void png_calculate_crc PNGARG((png_structp png_ptr, png_bytep ptr,
- png_size_t length));
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
-PNG_EXTERN void png_flush PNGARG((png_structp png_ptr));
-#endif
-
-/* simple function to write the signature */
-PNG_EXTERN void png_write_sig PNGARG((png_structp png_ptr));
-
-/* write various chunks */
-
-/* Write the IHDR chunk, and update the png_struct with the necessary
- * information.
- */
-PNG_EXTERN void png_write_IHDR PNGARG((png_structp png_ptr, png_uint_32 width,
- png_uint_32 height,
- int bit_depth, int color_type, int compression_method, int filter_method,
- int interlace_method));
-
-PNG_EXTERN void png_write_PLTE PNGARG((png_structp png_ptr, png_colorp palette,
- png_uint_32 num_pal));
-
-PNG_EXTERN void png_write_IDAT PNGARG((png_structp png_ptr, png_bytep data,
- png_size_t length));
-
-PNG_EXTERN void png_write_IEND PNGARG((png_structp png_ptr));
-
-#if defined(PNG_WRITE_gAMA_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-PNG_EXTERN void png_write_gAMA PNGARG((png_structp png_ptr, double file_gamma));
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
-PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr, png_fixed_point
- file_gamma));
-#endif
-#endif
-
-#if defined(PNG_WRITE_sBIT_SUPPORTED)
-PNG_EXTERN void png_write_sBIT PNGARG((png_structp png_ptr, png_color_8p sbit,
- int color_type));
-#endif
-
-#if defined(PNG_WRITE_cHRM_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-PNG_EXTERN void png_write_cHRM PNGARG((png_structp png_ptr,
- double white_x, double white_y,
- double red_x, double red_y, double green_x, double green_y,
- double blue_x, double blue_y));
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
-PNG_EXTERN void png_write_cHRM_fixed PNGARG((png_structp png_ptr,
- png_fixed_point int_white_x, png_fixed_point int_white_y,
- png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point
- int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x,
- png_fixed_point int_blue_y));
-#endif
-#endif
-
-#if defined(PNG_WRITE_sRGB_SUPPORTED)
-PNG_EXTERN void png_write_sRGB PNGARG((png_structp png_ptr,
- int intent));
-#endif
-
-#if defined(PNG_WRITE_iCCP_SUPPORTED)
-PNG_EXTERN void png_write_iCCP PNGARG((png_structp png_ptr,
- png_charp name, int compression_type,
- png_charp profile, int proflen));
- /* Note to maintainer: profile should be png_bytep */
-#endif
-
-#if defined(PNG_WRITE_sPLT_SUPPORTED)
-PNG_EXTERN void png_write_sPLT PNGARG((png_structp png_ptr,
- png_sPLT_tp palette));
-#endif
-
-#if defined(PNG_WRITE_tRNS_SUPPORTED)
-PNG_EXTERN void png_write_tRNS PNGARG((png_structp png_ptr, png_bytep trans,
- png_color_16p values, int number, int color_type));
-#endif
-
-#if defined(PNG_WRITE_bKGD_SUPPORTED)
-PNG_EXTERN void png_write_bKGD PNGARG((png_structp png_ptr,
- png_color_16p values, int color_type));
-#endif
-
-#if defined(PNG_WRITE_hIST_SUPPORTED)
-PNG_EXTERN void png_write_hIST PNGARG((png_structp png_ptr, png_uint_16p hist,
- int num_hist));
-#endif
-
-#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_pCAL_SUPPORTED) || \
- defined(PNG_WRITE_iCCP_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED)
-PNG_EXTERN png_size_t png_check_keyword PNGARG((png_structp png_ptr,
- png_charp key, png_charpp new_key));
-#endif
-
-#if defined(PNG_WRITE_tEXt_SUPPORTED)
-PNG_EXTERN void png_write_tEXt PNGARG((png_structp png_ptr, png_charp key,
- png_charp text, png_size_t text_len));
-#endif
-
-#if defined(PNG_WRITE_zTXt_SUPPORTED)
-PNG_EXTERN void png_write_zTXt PNGARG((png_structp png_ptr, png_charp key,
- png_charp text, png_size_t text_len, int compression));
-#endif
-
-#if defined(PNG_WRITE_iTXt_SUPPORTED)
-PNG_EXTERN void png_write_iTXt PNGARG((png_structp png_ptr,
- int compression, png_charp key, png_charp lang, png_charp lang_key,
- png_charp text));
-#endif
-
-#if defined(PNG_TEXT_SUPPORTED) /* Added at version 1.0.14 and 1.2.4 */
-PNG_EXTERN int png_set_text_2 PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_textp text_ptr, int num_text));
-#endif
-
-#if defined(PNG_WRITE_oFFs_SUPPORTED)
-PNG_EXTERN void png_write_oFFs PNGARG((png_structp png_ptr,
- png_int_32 x_offset, png_int_32 y_offset, int unit_type));
-#endif
-
-#if defined(PNG_WRITE_pCAL_SUPPORTED)
-PNG_EXTERN void png_write_pCAL PNGARG((png_structp png_ptr, png_charp purpose,
- png_int_32 X0, png_int_32 X1, int type, int nparams,
- png_charp units, png_charpp params));
-#endif
-
-#if defined(PNG_WRITE_pHYs_SUPPORTED)
-PNG_EXTERN void png_write_pHYs PNGARG((png_structp png_ptr,
- png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit,
- int unit_type));
-#endif
-
-#if defined(PNG_WRITE_tIME_SUPPORTED)
-PNG_EXTERN void png_write_tIME PNGARG((png_structp png_ptr,
- png_timep mod_time));
-#endif
-
-#if defined(PNG_WRITE_sCAL_SUPPORTED)
-#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO)
-PNG_EXTERN void png_write_sCAL PNGARG((png_structp png_ptr,
- int unit, double width, double height));
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
-PNG_EXTERN void png_write_sCAL_s PNGARG((png_structp png_ptr,
- int unit, png_charp width, png_charp height));
-#endif
-#endif
-#endif
-
-/* Called when finished processing a row of data */
-PNG_EXTERN void png_write_finish_row PNGARG((png_structp png_ptr));
-
-/* Internal use only. Called before first row of data */
-PNG_EXTERN void png_write_start_row PNGARG((png_structp png_ptr));
-
-#if defined(PNG_READ_GAMMA_SUPPORTED)
-PNG_EXTERN void png_build_gamma_table PNGARG((png_structp png_ptr));
-#endif
-
-/* combine a row of data, dealing with alpha, etc. if requested */
-PNG_EXTERN void png_combine_row PNGARG((png_structp png_ptr, png_bytep row,
- int mask));
-
-#if defined(PNG_READ_INTERLACING_SUPPORTED)
-/* expand an interlaced row */
-/* OLD pre-1.0.9 interface:
-PNG_EXTERN void png_do_read_interlace PNGARG((png_row_infop row_info,
- png_bytep row, int pass, png_uint_32 transformations));
- */
-PNG_EXTERN void png_do_read_interlace PNGARG((png_structp png_ptr));
-#endif
-
-/* GRR TO DO (2.0 or whenever): simplify other internal calling interfaces */
-
-#if defined(PNG_WRITE_INTERLACING_SUPPORTED)
-/* grab pixels out of a row for an interlaced pass */
-PNG_EXTERN void png_do_write_interlace PNGARG((png_row_infop row_info,
- png_bytep row, int pass));
-#endif
-
-/* unfilter a row */
-PNG_EXTERN void png_read_filter_row PNGARG((png_structp png_ptr,
- png_row_infop row_info, png_bytep row, png_bytep prev_row, int filter));
-
-/* Choose the best filter to use and filter the row data */
-PNG_EXTERN void png_write_find_filter PNGARG((png_structp png_ptr,
- png_row_infop row_info));
-
-/* Write out the filtered row. */
-PNG_EXTERN void png_write_filtered_row PNGARG((png_structp png_ptr,
- png_bytep filtered_row));
-/* finish a row while reading, dealing with interlacing passes, etc. */
-PNG_EXTERN void png_read_finish_row PNGARG((png_structp png_ptr));
-
-/* initialize the row buffers, etc. */
-PNG_EXTERN void png_read_start_row PNGARG((png_structp png_ptr));
-/* optional call to update the users info structure */
-PNG_EXTERN void png_read_transform_info PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-
-/* these are the functions that do the transformations */
-#if defined(PNG_READ_FILLER_SUPPORTED)
-PNG_EXTERN void png_do_read_filler PNGARG((png_row_infop row_info,
- png_bytep row, png_uint_32 filler, png_uint_32 flags));
-#endif
-
-#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED)
-PNG_EXTERN void png_do_read_swap_alpha PNGARG((png_row_infop row_info,
- png_bytep row));
-#endif
-
-#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
-PNG_EXTERN void png_do_write_swap_alpha PNGARG((png_row_infop row_info,
- png_bytep row));
-#endif
-
-#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
-PNG_EXTERN void png_do_read_invert_alpha PNGARG((png_row_infop row_info,
- png_bytep row));
-#endif
-
-#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
-PNG_EXTERN void png_do_write_invert_alpha PNGARG((png_row_infop row_info,
- png_bytep row));
-#endif
-
-#if defined(PNG_WRITE_FILLER_SUPPORTED) || \
- defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
-PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,
- png_bytep row, png_uint_32 flags));
-#endif
-
-#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)
-PNG_EXTERN void png_do_swap PNGARG((png_row_infop row_info, png_bytep row));
-#endif
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED)
-PNG_EXTERN void png_do_packswap PNGARG((png_row_infop row_info, png_bytep row));
-#endif
-
-#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
-PNG_EXTERN int png_do_rgb_to_gray PNGARG((png_structp png_ptr, png_row_infop
- row_info, png_bytep row));
-#endif
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
-PNG_EXTERN void png_do_gray_to_rgb PNGARG((png_row_infop row_info,
- png_bytep row));
-#endif
-
-#if defined(PNG_READ_PACK_SUPPORTED)
-PNG_EXTERN void png_do_unpack PNGARG((png_row_infop row_info, png_bytep row));
-#endif
-
-#if defined(PNG_READ_SHIFT_SUPPORTED)
-PNG_EXTERN void png_do_unshift PNGARG((png_row_infop row_info, png_bytep row,
- png_color_8p sig_bits));
-#endif
-
-#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED)
-PNG_EXTERN void png_do_invert PNGARG((png_row_infop row_info, png_bytep row));
-#endif
-
-#if defined(PNG_READ_16_TO_8_SUPPORTED)
-PNG_EXTERN void png_do_chop PNGARG((png_row_infop row_info, png_bytep row));
-#endif
-
-#if defined(PNG_READ_DITHER_SUPPORTED)
-PNG_EXTERN void png_do_dither PNGARG((png_row_infop row_info,
- png_bytep row, png_bytep palette_lookup, png_bytep dither_lookup));
-
-# if defined(PNG_CORRECT_PALETTE_SUPPORTED)
-PNG_EXTERN void png_correct_palette PNGARG((png_structp png_ptr,
- png_colorp palette, int num_palette));
-# endif
-#endif
-
-#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)
-PNG_EXTERN void png_do_bgr PNGARG((png_row_infop row_info, png_bytep row));
-#endif
-
-#if defined(PNG_WRITE_PACK_SUPPORTED)
-PNG_EXTERN void png_do_pack PNGARG((png_row_infop row_info,
- png_bytep row, png_uint_32 bit_depth));
-#endif
-
-#if defined(PNG_WRITE_SHIFT_SUPPORTED)
-PNG_EXTERN void png_do_shift PNGARG((png_row_infop row_info, png_bytep row,
- png_color_8p bit_depth));
-#endif
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
-#if defined(PNG_READ_GAMMA_SUPPORTED)
-PNG_EXTERN void png_do_background PNGARG((png_row_infop row_info, png_bytep row,
- png_color_16p trans_values, png_color_16p background,
- png_color_16p background_1,
- png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1,
- png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1,
- png_uint_16pp gamma_16_to_1, int gamma_shift));
-#else
-PNG_EXTERN void png_do_background PNGARG((png_row_infop row_info, png_bytep row,
- png_color_16p trans_values, png_color_16p background));
-#endif
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED)
-PNG_EXTERN void png_do_gamma PNGARG((png_row_infop row_info, png_bytep row,
- png_bytep gamma_table, png_uint_16pp gamma_16_table,
- int gamma_shift));
-#endif
-
-#if defined(PNG_READ_EXPAND_SUPPORTED)
-PNG_EXTERN void png_do_expand_palette PNGARG((png_row_infop row_info,
- png_bytep row, png_colorp palette, png_bytep trans, int num_trans));
-PNG_EXTERN void png_do_expand PNGARG((png_row_infop row_info,
- png_bytep row, png_color_16p trans_value));
-#endif
-
-/* The following decodes the appropriate chunks, and does error correction,
- * then calls the appropriate callback for the chunk if it is valid.
- */
-
-/* decode the IHDR chunk */
-PNG_EXTERN void png_handle_IHDR PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-PNG_EXTERN void png_handle_PLTE PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-PNG_EXTERN void png_handle_IEND PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-
-#if defined(PNG_READ_bKGD_SUPPORTED)
-PNG_EXTERN void png_handle_bKGD PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_cHRM_SUPPORTED)
-PNG_EXTERN void png_handle_cHRM PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_gAMA_SUPPORTED)
-PNG_EXTERN void png_handle_gAMA PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_hIST_SUPPORTED)
-PNG_EXTERN void png_handle_hIST PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_iCCP_SUPPORTED)
-extern void png_handle_iCCP PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif /* PNG_READ_iCCP_SUPPORTED */
-
-#if defined(PNG_READ_iTXt_SUPPORTED)
-PNG_EXTERN void png_handle_iTXt PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_oFFs_SUPPORTED)
-PNG_EXTERN void png_handle_oFFs PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_pCAL_SUPPORTED)
-PNG_EXTERN void png_handle_pCAL PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_pHYs_SUPPORTED)
-PNG_EXTERN void png_handle_pHYs PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_sBIT_SUPPORTED)
-PNG_EXTERN void png_handle_sBIT PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_sCAL_SUPPORTED)
-PNG_EXTERN void png_handle_sCAL PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_sPLT_SUPPORTED)
-extern void png_handle_sPLT PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif /* PNG_READ_sPLT_SUPPORTED */
-
-#if defined(PNG_READ_sRGB_SUPPORTED)
-PNG_EXTERN void png_handle_sRGB PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_tEXt_SUPPORTED)
-PNG_EXTERN void png_handle_tEXt PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_tIME_SUPPORTED)
-PNG_EXTERN void png_handle_tIME PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_tRNS_SUPPORTED)
-PNG_EXTERN void png_handle_tRNS PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-#if defined(PNG_READ_zTXt_SUPPORTED)
-PNG_EXTERN void png_handle_zTXt PNGARG((png_structp png_ptr, png_infop info_ptr,
- png_uint_32 length));
-#endif
-
-PNG_EXTERN void png_handle_unknown PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 length));
-
-PNG_EXTERN void png_check_chunk_name PNGARG((png_structp png_ptr,
- png_bytep chunk_name));
-
-/* handle the transformations for reading and writing */
-PNG_EXTERN void png_do_read_transformations PNGARG((png_structp png_ptr));
-PNG_EXTERN void png_do_write_transformations PNGARG((png_structp png_ptr));
-
-PNG_EXTERN void png_init_read_transformations PNGARG((png_structp png_ptr));
-
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-PNG_EXTERN void png_push_read_chunk PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-PNG_EXTERN void png_push_read_sig PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-PNG_EXTERN void png_push_check_crc PNGARG((png_structp png_ptr));
-PNG_EXTERN void png_push_crc_skip PNGARG((png_structp png_ptr,
- png_uint_32 length));
-PNG_EXTERN void png_push_crc_finish PNGARG((png_structp png_ptr));
-PNG_EXTERN void png_push_save_buffer PNGARG((png_structp png_ptr));
-PNG_EXTERN void png_push_restore_buffer PNGARG((png_structp png_ptr,
- png_bytep buffer, png_size_t buffer_length));
-PNG_EXTERN void png_push_read_IDAT PNGARG((png_structp png_ptr));
-PNG_EXTERN void png_process_IDAT_data PNGARG((png_structp png_ptr,
- png_bytep buffer, png_size_t buffer_length));
-PNG_EXTERN void png_push_process_row PNGARG((png_structp png_ptr));
-PNG_EXTERN void png_push_handle_unknown PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 length));
-PNG_EXTERN void png_push_have_info PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-PNG_EXTERN void png_push_have_end PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-PNG_EXTERN void png_push_have_row PNGARG((png_structp png_ptr, png_bytep row));
-PNG_EXTERN void png_push_read_end PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-PNG_EXTERN void png_process_some_data PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-PNG_EXTERN void png_read_push_finish_row PNGARG((png_structp png_ptr));
-#if defined(PNG_READ_tEXt_SUPPORTED)
-PNG_EXTERN void png_push_handle_tEXt PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 length));
-PNG_EXTERN void png_push_read_tEXt PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-#endif
-#if defined(PNG_READ_zTXt_SUPPORTED)
-PNG_EXTERN void png_push_handle_zTXt PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 length));
-PNG_EXTERN void png_push_read_zTXt PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-#endif
-#if defined(PNG_READ_iTXt_SUPPORTED)
-PNG_EXTERN void png_push_handle_iTXt PNGARG((png_structp png_ptr,
- png_infop info_ptr, png_uint_32 length));
-PNG_EXTERN void png_push_read_iTXt PNGARG((png_structp png_ptr,
- png_infop info_ptr));
-#endif
-
-#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
-
-#ifdef PNG_MNG_FEATURES_SUPPORTED
-PNG_EXTERN void png_do_read_intrapixel PNGARG((png_row_infop row_info,
- png_bytep row));
-PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info,
- png_bytep row));
-#endif
-
-#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
-#if defined(PNG_MMX_CODE_SUPPORTED)
-/* png.c */ /* PRIVATE */
-PNG_EXTERN void png_init_mmx_flags PNGARG((png_structp png_ptr));
-#endif
-#endif
-
-#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED)
-PNG_EXTERN png_uint_32 png_get_pixels_per_inch PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-
-PNG_EXTERN png_uint_32 png_get_x_pixels_per_inch PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-
-PNG_EXTERN png_uint_32 png_get_y_pixels_per_inch PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-
-PNG_EXTERN float png_get_x_offset_inches PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-
-PNG_EXTERN float png_get_y_offset_inches PNGARG((png_structp png_ptr,
-png_infop info_ptr));
-
-#if defined(PNG_pHYs_SUPPORTED)
-PNG_EXTERN png_uint_32 png_get_pHYs_dpi PNGARG((png_structp png_ptr,
-png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type));
-#endif /* PNG_pHYs_SUPPORTED */
-#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */
-
-/* Read the chunk header (length + type name) */
-PNG_EXTERN png_uint_32 png_read_chunk_header PNGARG((png_structp png_ptr));
-
-/* Added at libpng version 1.2.34 */
-#if defined(PNG_cHRM_SUPPORTED)
-PNG_EXTERN int png_check_cHRM_fixed PNGARG((png_structp png_ptr,
- png_fixed_point int_white_x, png_fixed_point int_white_y,
- png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point
- int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x,
- png_fixed_point int_blue_y));
-#endif
-
-/* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */
-
-#endif /* PNG_INTERNAL */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* PNG_VERSION_INFO_ONLY */
-/* do not put anything past this line */
-#endif /* PNG_H */
+++ /dev/null
-
-/* pngconf.h - machine configurable file for libpng
- *
- * libpng version 1.2.37 - June 4, 2009
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-/* Any machine specific code is near the front of this file, so if you
- * are configuring libpng for a machine, you may want to read the section
- * starting here down to where it starts to typedef png_color, png_text,
- * and png_info.
- */
-
-#ifndef PNGCONF_H
-#define PNGCONF_H
-
-#define PNG_1_2_X
-
-/*
- * PNG_USER_CONFIG has to be defined on the compiler command line. This
- * includes the resource compiler for Windows DLL configurations.
- */
-#ifdef PNG_USER_CONFIG
-# ifndef PNG_USER_PRIVATEBUILD
-# define PNG_USER_PRIVATEBUILD
-# endif
-#include "pngusr.h"
-#endif
-
-/* PNG_CONFIGURE_LIBPNG is set by the "configure" script. */
-#ifdef PNG_CONFIGURE_LIBPNG
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#endif
-
-/*
- * Added at libpng-1.2.8
- *
- * If you create a private DLL you need to define in "pngusr.h" the followings:
- * #define PNG_USER_PRIVATEBUILD <Describes by whom and why this version of
- * the DLL was built>
- * e.g. #define PNG_USER_PRIVATEBUILD "Build by MyCompany for xyz reasons."
- * #define PNG_USER_DLLFNAME_POSTFIX <two-letter postfix that serve to
- * distinguish your DLL from those of the official release. These
- * correspond to the trailing letters that come after the version
- * number and must match your private DLL name>
- * e.g. // private DLL "libpng13gx.dll"
- * #define PNG_USER_DLLFNAME_POSTFIX "gx"
- *
- * The following macros are also at your disposal if you want to complete the
- * DLL VERSIONINFO structure.
- * - PNG_USER_VERSIONINFO_COMMENTS
- * - PNG_USER_VERSIONINFO_COMPANYNAME
- * - PNG_USER_VERSIONINFO_LEGALTRADEMARKS
- */
-
-#ifdef __STDC__
-#ifdef SPECIALBUILD
-# pragma message("PNG_LIBPNG_SPECIALBUILD (and deprecated SPECIALBUILD)\
- are now LIBPNG reserved macros. Use PNG_USER_PRIVATEBUILD instead.")
-#endif
-
-#ifdef PRIVATEBUILD
-# pragma message("PRIVATEBUILD is deprecated.\
- Use PNG_USER_PRIVATEBUILD instead.")
-# define PNG_USER_PRIVATEBUILD PRIVATEBUILD
-#endif
-#endif /* __STDC__ */
-
-#ifndef PNG_VERSION_INFO_ONLY
-
-/* End of material added to libpng-1.2.8 */
-
-/* Added at libpng-1.2.19, removed at libpng-1.2.20 because it caused trouble
- Restored at libpng-1.2.21 */
-#if !defined(PNG_NO_WARN_UNINITIALIZED_ROW) && \
- !defined(PNG_WARN_UNINITIALIZED_ROW)
-# define PNG_WARN_UNINITIALIZED_ROW 1
-#endif
-/* End of material added at libpng-1.2.19/1.2.21 */
-
-/* This is the size of the compression buffer, and thus the size of
- * an IDAT chunk. Make this whatever size you feel is best for your
- * machine. One of these will be allocated per png_struct. When this
- * is full, it writes the data to the disk, and does some other
- * calculations. Making this an extremely small size will slow
- * the library down, but you may want to experiment to determine
- * where it becomes significant, if you are concerned with memory
- * usage. Note that zlib allocates at least 32Kb also. For readers,
- * this describes the size of the buffer available to read the data in.
- * Unless this gets smaller than the size of a row (compressed),
- * it should not make much difference how big this is.
- */
-
-#ifndef PNG_ZBUF_SIZE
-# define PNG_ZBUF_SIZE 8192
-#endif
-
-/* Enable if you want a write-only libpng */
-
-#ifndef PNG_NO_READ_SUPPORTED
-# define PNG_READ_SUPPORTED
-#endif
-
-/* Enable if you want a read-only libpng */
-
-#ifndef PNG_NO_WRITE_SUPPORTED
-# define PNG_WRITE_SUPPORTED
-#endif
-
-/* Enabled by default in 1.2.0. You can disable this if you don't need to
- support PNGs that are embedded in MNG datastreams */
-#if !defined(PNG_1_0_X) && !defined(PNG_NO_MNG_FEATURES)
-# ifndef PNG_MNG_FEATURES_SUPPORTED
-# define PNG_MNG_FEATURES_SUPPORTED
-# endif
-#endif
-
-#ifndef PNG_NO_FLOATING_POINT_SUPPORTED
-# ifndef PNG_FLOATING_POINT_SUPPORTED
-# define PNG_FLOATING_POINT_SUPPORTED
-# endif
-#endif
-
-/* If you are running on a machine where you cannot allocate more
- * than 64K of memory at once, uncomment this. While libpng will not
- * normally need that much memory in a chunk (unless you load up a very
- * large file), zlib needs to know how big of a chunk it can use, and
- * libpng thus makes sure to check any memory allocation to verify it
- * will fit into memory.
-#define PNG_MAX_MALLOC_64K
- */
-#if defined(MAXSEG_64K) && !defined(PNG_MAX_MALLOC_64K)
-# define PNG_MAX_MALLOC_64K
-#endif
-
-/* Special munging to support doing things the 'cygwin' way:
- * 'Normal' png-on-win32 defines/defaults:
- * PNG_BUILD_DLL -- building dll
- * PNG_USE_DLL -- building an application, linking to dll
- * (no define) -- building static library, or building an
- * application and linking to the static lib
- * 'Cygwin' defines/defaults:
- * PNG_BUILD_DLL -- (ignored) building the dll
- * (no define) -- (ignored) building an application, linking to the dll
- * PNG_STATIC -- (ignored) building the static lib, or building an
- * application that links to the static lib.
- * ALL_STATIC -- (ignored) building various static libs, or building an
- * application that links to the static libs.
- * Thus,
- * a cygwin user should define either PNG_BUILD_DLL or PNG_STATIC, and
- * this bit of #ifdefs will define the 'correct' config variables based on
- * that. If a cygwin user *wants* to define 'PNG_USE_DLL' that's okay, but
- * unnecessary.
- *
- * Also, the precedence order is:
- * ALL_STATIC (since we can't #undef something outside our namespace)
- * PNG_BUILD_DLL
- * PNG_STATIC
- * (nothing) == PNG_USE_DLL
- *
- * CYGWIN (2002-01-20): The preceding is now obsolete. With the advent
- * of auto-import in binutils, we no longer need to worry about
- * __declspec(dllexport) / __declspec(dllimport) and friends. Therefore,
- * we don't need to worry about PNG_STATIC or ALL_STATIC when it comes
- * to __declspec() stuff. However, we DO need to worry about
- * PNG_BUILD_DLL and PNG_STATIC because those change some defaults
- * such as CONSOLE_IO and whether GLOBAL_ARRAYS are allowed.
- */
-#if defined(__CYGWIN__)
-# if defined(ALL_STATIC)
-# if defined(PNG_BUILD_DLL)
-# undef PNG_BUILD_DLL
-# endif
-# if defined(PNG_USE_DLL)
-# undef PNG_USE_DLL
-# endif
-# if defined(PNG_DLL)
-# undef PNG_DLL
-# endif
-# if !defined(PNG_STATIC)
-# define PNG_STATIC
-# endif
-# else
-# if defined (PNG_BUILD_DLL)
-# if defined(PNG_STATIC)
-# undef PNG_STATIC
-# endif
-# if defined(PNG_USE_DLL)
-# undef PNG_USE_DLL
-# endif
-# if !defined(PNG_DLL)
-# define PNG_DLL
-# endif
-# else
-# if defined(PNG_STATIC)
-# if defined(PNG_USE_DLL)
-# undef PNG_USE_DLL
-# endif
-# if defined(PNG_DLL)
-# undef PNG_DLL
-# endif
-# else
-# if !defined(PNG_USE_DLL)
-# define PNG_USE_DLL
-# endif
-# if !defined(PNG_DLL)
-# define PNG_DLL
-# endif
-# endif
-# endif
-# endif
-#endif
-
-/* This protects us against compilers that run on a windowing system
- * and thus don't have or would rather us not use the stdio types:
- * stdin, stdout, and stderr. The only one currently used is stderr
- * in png_error() and png_warning(). #defining PNG_NO_CONSOLE_IO will
- * prevent these from being compiled and used. #defining PNG_NO_STDIO
- * will also prevent these, plus will prevent the entire set of stdio
- * macros and functions (FILE *, printf, etc.) from being compiled and used,
- * unless (PNG_DEBUG > 0) has been #defined.
- *
- * #define PNG_NO_CONSOLE_IO
- * #define PNG_NO_STDIO
- */
-
-#if defined(_WIN32_WCE)
-# include <windows.h>
- /* Console I/O functions are not supported on WindowsCE */
-# define PNG_NO_CONSOLE_IO
- /* abort() may not be supported on some/all Windows CE platforms */
-# define PNG_ABORT() exit(-1)
-# ifdef PNG_DEBUG
-# undef PNG_DEBUG
-# endif
-#endif
-
-#ifdef PNG_BUILD_DLL
-# ifndef PNG_CONSOLE_IO_SUPPORTED
-# ifndef PNG_NO_CONSOLE_IO
-# define PNG_NO_CONSOLE_IO
-# endif
-# endif
-#endif
-
-# ifdef PNG_NO_STDIO
-# ifndef PNG_NO_CONSOLE_IO
-# define PNG_NO_CONSOLE_IO
-# endif
-# ifdef PNG_DEBUG
-# if (PNG_DEBUG > 0)
-# include <stdio.h>
-# endif
-# endif
-# else
-# if !defined(_WIN32_WCE)
-/* "stdio.h" functions are not supported on WindowsCE */
-# include <stdio.h>
-# endif
-# endif
-
-/* This macro protects us against machines that don't have function
- * prototypes (ie K&R style headers). If your compiler does not handle
- * function prototypes, define this macro and use the included ansi2knr.
- * I've always been able to use _NO_PROTO as the indicator, but you may
- * need to drag the empty declaration out in front of here, or change the
- * ifdef to suit your own needs.
- */
-#ifndef PNGARG
-
-#ifdef OF /* zlib prototype munger */
-# define PNGARG(arglist) OF(arglist)
-#else
-
-#ifdef _NO_PROTO
-# define PNGARG(arglist) ()
-# ifndef PNG_TYPECAST_NULL
-# define PNG_TYPECAST_NULL
-# endif
-#else
-# define PNGARG(arglist) arglist
-#endif /* _NO_PROTO */
-
-
-#endif /* OF */
-
-#endif /* PNGARG */
-
-/* Try to determine if we are compiling on a Mac. Note that testing for
- * just __MWERKS__ is not good enough, because the Codewarrior is now used
- * on non-Mac platforms.
- */
-#ifndef MACOS
-# if (defined(__MWERKS__) && defined(macintosh)) || defined(applec) || \
- defined(THINK_C) || defined(__SC__) || defined(TARGET_OS_MAC)
-# define MACOS
-# endif
-#endif
-
-/* enough people need this for various reasons to include it here */
-#if !defined(MACOS) && !defined(RISCOS) && !defined(_WIN32_WCE)
-# include <sys/types.h>
-#endif
-
-#if !defined(PNG_SETJMP_NOT_SUPPORTED) && !defined(PNG_NO_SETJMP_SUPPORTED)
-# define PNG_SETJMP_SUPPORTED
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
-/* This is an attempt to force a single setjmp behaviour on Linux. If
- * the X config stuff didn't define _BSD_SOURCE we wouldn't need this.
- *
- * You can bypass this test if you know that your application uses exactly
- * the same setjmp.h that was included when libpng was built. Only define
- * PNG_SKIP_SETJMP_CHECK while building your application, prior to the
- * application's '#include "png.h"'. Don't define PNG_SKIP_SETJMP_CHECK
- * while building a separate libpng library for general use.
- */
-
-# ifndef PNG_SKIP_SETJMP_CHECK
-# ifdef __linux__
-# ifdef _BSD_SOURCE
-# define PNG_SAVE_BSD_SOURCE
-# undef _BSD_SOURCE
-# endif
-# ifdef _SETJMP_H
- /* If you encounter a compiler error here, see the explanation
- * near the end of INSTALL.
- */
- __pngconf.h__ in libpng already includes setjmp.h;
- __dont__ include it again.;
-# endif
-# endif /* __linux__ */
-# endif /* PNG_SKIP_SETJMP_CHECK */
-
- /* include setjmp.h for error handling */
-# include <setjmp.h>
-
-# ifdef __linux__
-# ifdef PNG_SAVE_BSD_SOURCE
-# ifndef _BSD_SOURCE
-# define _BSD_SOURCE
-# endif
-# undef PNG_SAVE_BSD_SOURCE
-# endif
-# endif /* __linux__ */
-#endif /* PNG_SETJMP_SUPPORTED */
-
-#ifdef BSD
-# include <strings.h>
-#else
-# include <string.h>
-#endif
-
-/* Other defines for things like memory and the like can go here. */
-#ifdef PNG_INTERNAL
-
-#include <stdlib.h>
-
-/* The functions exported by PNG_EXTERN are PNG_INTERNAL functions, which
- * aren't usually used outside the library (as far as I know), so it is
- * debatable if they should be exported at all. In the future, when it is
- * possible to have run-time registry of chunk-handling functions, some of
- * these will be made available again.
-#define PNG_EXTERN extern
- */
-#define PNG_EXTERN
-
-/* Other defines specific to compilers can go here. Try to keep
- * them inside an appropriate ifdef/endif pair for portability.
- */
-
-#if defined(PNG_FLOATING_POINT_SUPPORTED)
-# if defined(MACOS)
- /* We need to check that <math.h> hasn't already been included earlier
- * as it seems it doesn't agree with <fp.h>, yet we should really use
- * <fp.h> if possible.
- */
-# if !defined(__MATH_H__) && !defined(__MATH_H) && !defined(__cmath__)
-# include <fp.h>
-# endif
-# else
-# include <math.h>
-# endif
-# if defined(_AMIGA) && defined(__SASC) && defined(_M68881)
- /* Amiga SAS/C: We must include builtin FPU functions when compiling using
- * MATH=68881
- */
-# include <m68881.h>
-# endif
-#endif
-
-/* Codewarrior on NT has linking problems without this. */
-#if (defined(__MWERKS__) && defined(WIN32)) || defined(__STDC__)
-# define PNG_ALWAYS_EXTERN
-#endif
-
-/* This provides the non-ANSI (far) memory allocation routines. */
-#if defined(__TURBOC__) && defined(__MSDOS__)
-# include <mem.h>
-# include <alloc.h>
-#endif
-
-/* I have no idea why is this necessary... */
-#if defined(_MSC_VER) && (defined(WIN32) || defined(_Windows) || \
- defined(_WINDOWS) || defined(_WIN32) || defined(__WIN32__))
-# include <malloc.h>
-#endif
-
-/* This controls how fine the dithering gets. As this allocates
- * a largish chunk of memory (32K), those who are not as concerned
- * with dithering quality can decrease some or all of these.
- */
-#ifndef PNG_DITHER_RED_BITS
-# define PNG_DITHER_RED_BITS 5
-#endif
-#ifndef PNG_DITHER_GREEN_BITS
-# define PNG_DITHER_GREEN_BITS 5
-#endif
-#ifndef PNG_DITHER_BLUE_BITS
-# define PNG_DITHER_BLUE_BITS 5
-#endif
-
-/* This controls how fine the gamma correction becomes when you
- * are only interested in 8 bits anyway. Increasing this value
- * results in more memory being used, and more pow() functions
- * being called to fill in the gamma tables. Don't set this value
- * less then 8, and even that may not work (I haven't tested it).
- */
-
-#ifndef PNG_MAX_GAMMA_8
-# define PNG_MAX_GAMMA_8 11
-#endif
-
-/* This controls how much a difference in gamma we can tolerate before
- * we actually start doing gamma conversion.
- */
-#ifndef PNG_GAMMA_THRESHOLD
-# define PNG_GAMMA_THRESHOLD 0.05
-#endif
-
-#endif /* PNG_INTERNAL */
-
-/* The following uses const char * instead of char * for error
- * and warning message functions, so some compilers won't complain.
- * If you do not want to use const, define PNG_NO_CONST here.
- */
-
-#ifndef PNG_NO_CONST
-# define PNG_CONST const
-#else
-# define PNG_CONST
-#endif
-
-/* The following defines give you the ability to remove code from the
- * library that you will not be using. I wish I could figure out how to
- * automate this, but I can't do that without making it seriously hard
- * on the users. So if you are not using an ability, change the #define
- * to and #undef, and that part of the library will not be compiled. If
- * your linker can't find a function, you may want to make sure the
- * ability is defined here. Some of these depend upon some others being
- * defined. I haven't figured out all the interactions here, so you may
- * have to experiment awhile to get everything to compile. If you are
- * creating or using a shared library, you probably shouldn't touch this,
- * as it will affect the size of the structures, and this will cause bad
- * things to happen if the library and/or application ever change.
- */
-
-/* Any features you will not be using can be undef'ed here */
-
-/* GR-P, 0.96a: Set "*TRANSFORMS_SUPPORTED as default but allow user
- * to turn it off with "*TRANSFORMS_NOT_SUPPORTED" or *PNG_NO_*_TRANSFORMS
- * on the compile line, then pick and choose which ones to define without
- * having to edit this file. It is safe to use the *TRANSFORMS_NOT_SUPPORTED
- * if you only want to have a png-compliant reader/writer but don't need
- * any of the extra transformations. This saves about 80 kbytes in a
- * typical installation of the library. (PNG_NO_* form added in version
- * 1.0.1c, for consistency)
- */
-
-/* The size of the png_text structure changed in libpng-1.0.6 when
- * iTXt support was added. iTXt support was turned off by default through
- * libpng-1.2.x, to support old apps that malloc the png_text structure
- * instead of calling png_set_text() and letting libpng malloc it. It
- * was turned on by default in libpng-1.3.0.
- */
-
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-# ifndef PNG_NO_iTXt_SUPPORTED
-# define PNG_NO_iTXt_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_iTXt
-# define PNG_NO_READ_iTXt
-# endif
-# ifndef PNG_NO_WRITE_iTXt
-# define PNG_NO_WRITE_iTXt
-# endif
-#endif
-
-#if !defined(PNG_NO_iTXt_SUPPORTED)
-# if !defined(PNG_READ_iTXt_SUPPORTED) && !defined(PNG_NO_READ_iTXt)
-# define PNG_READ_iTXt
-# endif
-# if !defined(PNG_WRITE_iTXt_SUPPORTED) && !defined(PNG_NO_WRITE_iTXt)
-# define PNG_WRITE_iTXt
-# endif
-#endif
-
-/* The following support, added after version 1.0.0, can be turned off here en
- * masse by defining PNG_LEGACY_SUPPORTED in case you need binary compatibility
- * with old applications that require the length of png_struct and png_info
- * to remain unchanged.
- */
-
-#ifdef PNG_LEGACY_SUPPORTED
-# define PNG_NO_FREE_ME
-# define PNG_NO_READ_UNKNOWN_CHUNKS
-# define PNG_NO_WRITE_UNKNOWN_CHUNKS
-# define PNG_NO_READ_USER_CHUNKS
-# define PNG_NO_READ_iCCP
-# define PNG_NO_WRITE_iCCP
-# define PNG_NO_READ_iTXt
-# define PNG_NO_WRITE_iTXt
-# define PNG_NO_READ_sCAL
-# define PNG_NO_WRITE_sCAL
-# define PNG_NO_READ_sPLT
-# define PNG_NO_WRITE_sPLT
-# define PNG_NO_INFO_IMAGE
-# define PNG_NO_READ_RGB_TO_GRAY
-# define PNG_NO_READ_USER_TRANSFORM
-# define PNG_NO_WRITE_USER_TRANSFORM
-# define PNG_NO_USER_MEM
-# define PNG_NO_READ_EMPTY_PLTE
-# define PNG_NO_MNG_FEATURES
-# define PNG_NO_FIXED_POINT_SUPPORTED
-#endif
-
-/* Ignore attempt to turn off both floating and fixed point support */
-#if !defined(PNG_FLOATING_POINT_SUPPORTED) || \
- !defined(PNG_NO_FIXED_POINT_SUPPORTED)
-# define PNG_FIXED_POINT_SUPPORTED
-#endif
-
-#ifndef PNG_NO_FREE_ME
-# define PNG_FREE_ME_SUPPORTED
-#endif
-
-#if defined(PNG_READ_SUPPORTED)
-
-#if !defined(PNG_READ_TRANSFORMS_NOT_SUPPORTED) && \
- !defined(PNG_NO_READ_TRANSFORMS)
-# define PNG_READ_TRANSFORMS_SUPPORTED
-#endif
-
-#ifdef PNG_READ_TRANSFORMS_SUPPORTED
-# ifndef PNG_NO_READ_EXPAND
-# define PNG_READ_EXPAND_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_SHIFT
-# define PNG_READ_SHIFT_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_PACK
-# define PNG_READ_PACK_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_BGR
-# define PNG_READ_BGR_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_SWAP
-# define PNG_READ_SWAP_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_PACKSWAP
-# define PNG_READ_PACKSWAP_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_INVERT
-# define PNG_READ_INVERT_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_DITHER
-# define PNG_READ_DITHER_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_BACKGROUND
-# define PNG_READ_BACKGROUND_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_16_TO_8
-# define PNG_READ_16_TO_8_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_FILLER
-# define PNG_READ_FILLER_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_GAMMA
-# define PNG_READ_GAMMA_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_GRAY_TO_RGB
-# define PNG_READ_GRAY_TO_RGB_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_SWAP_ALPHA
-# define PNG_READ_SWAP_ALPHA_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_INVERT_ALPHA
-# define PNG_READ_INVERT_ALPHA_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_STRIP_ALPHA
-# define PNG_READ_STRIP_ALPHA_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_USER_TRANSFORM
-# define PNG_READ_USER_TRANSFORM_SUPPORTED
-# endif
-# ifndef PNG_NO_READ_RGB_TO_GRAY
-# define PNG_READ_RGB_TO_GRAY_SUPPORTED
-# endif
-#endif /* PNG_READ_TRANSFORMS_SUPPORTED */
-
-#if !defined(PNG_NO_PROGRESSIVE_READ) && \
- !defined(PNG_PROGRESSIVE_READ_SUPPORTED) /* if you don't do progressive */
-# define PNG_PROGRESSIVE_READ_SUPPORTED /* reading. This is not talking */
-#endif /* about interlacing capability! You'll */
- /* still have interlacing unless you change the following line: */
-
-#define PNG_READ_INTERLACING_SUPPORTED /* required in PNG-compliant decoders */
-
-#ifndef PNG_NO_READ_COMPOSITE_NODIV
-# ifndef PNG_NO_READ_COMPOSITED_NODIV /* libpng-1.0.x misspelling */
-# define PNG_READ_COMPOSITE_NODIV_SUPPORTED /* well tested on Intel, SGI */
-# endif
-#endif
-
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-/* Deprecated, will be removed from version 2.0.0.
- Use PNG_MNG_FEATURES_SUPPORTED instead. */
-#ifndef PNG_NO_READ_EMPTY_PLTE
-# define PNG_READ_EMPTY_PLTE_SUPPORTED
-#endif
-#endif
-
-#endif /* PNG_READ_SUPPORTED */
-
-#if defined(PNG_WRITE_SUPPORTED)
-
-# if !defined(PNG_WRITE_TRANSFORMS_NOT_SUPPORTED) && \
- !defined(PNG_NO_WRITE_TRANSFORMS)
-# define PNG_WRITE_TRANSFORMS_SUPPORTED
-#endif
-
-#ifdef PNG_WRITE_TRANSFORMS_SUPPORTED
-# ifndef PNG_NO_WRITE_SHIFT
-# define PNG_WRITE_SHIFT_SUPPORTED
-# endif
-# ifndef PNG_NO_WRITE_PACK
-# define PNG_WRITE_PACK_SUPPORTED
-# endif
-# ifndef PNG_NO_WRITE_BGR
-# define PNG_WRITE_BGR_SUPPORTED
-# endif
-# ifndef PNG_NO_WRITE_SWAP
-# define PNG_WRITE_SWAP_SUPPORTED
-# endif
-# ifndef PNG_NO_WRITE_PACKSWAP
-# define PNG_WRITE_PACKSWAP_SUPPORTED
-# endif
-# ifndef PNG_NO_WRITE_INVERT
-# define PNG_WRITE_INVERT_SUPPORTED
-# endif
-# ifndef PNG_NO_WRITE_FILLER
-# define PNG_WRITE_FILLER_SUPPORTED /* same as WRITE_STRIP_ALPHA */
-# endif
-# ifndef PNG_NO_WRITE_SWAP_ALPHA
-# define PNG_WRITE_SWAP_ALPHA_SUPPORTED
-# endif
-# ifndef PNG_NO_WRITE_INVERT_ALPHA
-# define PNG_WRITE_INVERT_ALPHA_SUPPORTED
-# endif
-# ifndef PNG_NO_WRITE_USER_TRANSFORM
-# define PNG_WRITE_USER_TRANSFORM_SUPPORTED
-# endif
-#endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */
-
-#if !defined(PNG_NO_WRITE_INTERLACING_SUPPORTED) && \
- !defined(PNG_WRITE_INTERLACING_SUPPORTED)
-#define PNG_WRITE_INTERLACING_SUPPORTED /* not required for PNG-compliant
- encoders, but can cause trouble
- if left undefined */
-#endif
-
-#if !defined(PNG_NO_WRITE_WEIGHTED_FILTER) && \
- !defined(PNG_WRITE_WEIGHTED_FILTER) && \
- defined(PNG_FLOATING_POINT_SUPPORTED)
-# define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
-#endif
-
-#ifndef PNG_NO_WRITE_FLUSH
-# define PNG_WRITE_FLUSH_SUPPORTED
-#endif
-
-#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-/* Deprecated, see PNG_MNG_FEATURES_SUPPORTED, above */
-#ifndef PNG_NO_WRITE_EMPTY_PLTE
-# define PNG_WRITE_EMPTY_PLTE_SUPPORTED
-#endif
-#endif
-
-#endif /* PNG_WRITE_SUPPORTED */
-
-#ifndef PNG_1_0_X
-# ifndef PNG_NO_ERROR_NUMBERS
-# define PNG_ERROR_NUMBERS_SUPPORTED
-# endif
-#endif /* PNG_1_0_X */
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
-# ifndef PNG_NO_USER_TRANSFORM_PTR
-# define PNG_USER_TRANSFORM_PTR_SUPPORTED
-# endif
-#endif
-
-#ifndef PNG_NO_STDIO
-# define PNG_TIME_RFC1123_SUPPORTED
-#endif
-
-/* This adds extra functions in pngget.c for accessing data from the
- * info pointer (added in version 0.99)
- * png_get_image_width()
- * png_get_image_height()
- * png_get_bit_depth()
- * png_get_color_type()
- * png_get_compression_type()
- * png_get_filter_type()
- * png_get_interlace_type()
- * png_get_pixel_aspect_ratio()
- * png_get_pixels_per_meter()
- * png_get_x_offset_pixels()
- * png_get_y_offset_pixels()
- * png_get_x_offset_microns()
- * png_get_y_offset_microns()
- */
-#if !defined(PNG_NO_EASY_ACCESS) && !defined(PNG_EASY_ACCESS_SUPPORTED)
-# define PNG_EASY_ACCESS_SUPPORTED
-#endif
-
-/* PNG_ASSEMBLER_CODE was enabled by default in version 1.2.0
- * and removed from version 1.2.20. The following will be removed
- * from libpng-1.4.0
-*/
-
-#if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_OPTIMIZED_CODE)
-# ifndef PNG_OPTIMIZED_CODE_SUPPORTED
-# define PNG_OPTIMIZED_CODE_SUPPORTED
-# endif
-#endif
-
-#if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_ASSEMBLER_CODE) && defined(__i386__)
-# ifndef PNG_ASSEMBLER_CODE_SUPPORTED
-# define PNG_ASSEMBLER_CODE_SUPPORTED
-# endif
-
-# if defined(__GNUC__) && defined(__x86_64__) && (__GNUC__ < 4)
- /* work around 64-bit gcc compiler bugs in gcc-3.x */
-# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE)
-# define PNG_NO_MMX_CODE
-# endif
-# endif
-
-# if defined(__APPLE__)
-# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE)
-# define PNG_NO_MMX_CODE
-# endif
-# endif
-
-# if (defined(__MWERKS__) && ((__MWERKS__ < 0x0900) || macintosh))
-# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE)
-# define PNG_NO_MMX_CODE
-# endif
-# endif
-
-# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE)
-# define PNG_MMX_CODE_SUPPORTED
-# endif
-
-#endif
-/* end of obsolete code to be removed from libpng-1.4.0 */
-
-#if !defined(PNG_1_0_X)
-#if !defined(PNG_NO_USER_MEM) && !defined(PNG_USER_MEM_SUPPORTED)
-# define PNG_USER_MEM_SUPPORTED
-#endif
-#endif /* PNG_1_0_X */
-
-/* Added at libpng-1.2.6 */
-#if !defined(PNG_1_0_X)
-#ifndef PNG_SET_USER_LIMITS_SUPPORTED
-#if !defined(PNG_NO_SET_USER_LIMITS) && !defined(PNG_SET_USER_LIMITS_SUPPORTED)
-# define PNG_SET_USER_LIMITS_SUPPORTED
-#endif
-#endif
-#endif /* PNG_1_0_X */
-
-/* Added at libpng-1.0.16 and 1.2.6. To accept all valid PNGS no matter
- * how large, set these limits to 0x7fffffffL
- */
-#ifndef PNG_USER_WIDTH_MAX
-# define PNG_USER_WIDTH_MAX 1000000L
-#endif
-#ifndef PNG_USER_HEIGHT_MAX
-# define PNG_USER_HEIGHT_MAX 1000000L
-#endif
-
-/* Added at libpng-1.2.34 and 1.4.0 */
-#ifndef PNG_STRING_NEWLINE
-#define PNG_STRING_NEWLINE "\n"
-#endif
-
-/* These are currently experimental features, define them if you want */
-
-/* very little testing */
-/*
-#ifdef PNG_READ_SUPPORTED
-# ifndef PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED
-# define PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED
-# endif
-#endif
-*/
-
-/* This is only for PowerPC big-endian and 680x0 systems */
-/* some testing */
-/*
-#ifndef PNG_READ_BIG_ENDIAN_SUPPORTED
-# define PNG_READ_BIG_ENDIAN_SUPPORTED
-#endif
-*/
-
-/* Buggy compilers (e.g., gcc 2.7.2.2) need this */
-/*
-#define PNG_NO_POINTER_INDEXING
-*/
-
-/* These functions are turned off by default, as they will be phased out. */
-/*
-#define PNG_USELESS_TESTS_SUPPORTED
-#define PNG_CORRECT_PALETTE_SUPPORTED
-*/
-
-/* Any chunks you are not interested in, you can undef here. The
- * ones that allocate memory may be expecially important (hIST,
- * tEXt, zTXt, tRNS, pCAL). Others will just save time and make png_info
- * a bit smaller.
- */
-
-#if defined(PNG_READ_SUPPORTED) && \
- !defined(PNG_READ_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \
- !defined(PNG_NO_READ_ANCILLARY_CHUNKS)
-# define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
-#endif
-
-#if defined(PNG_WRITE_SUPPORTED) && \
- !defined(PNG_WRITE_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \
- !defined(PNG_NO_WRITE_ANCILLARY_CHUNKS)
-# define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
-#endif
-
-#ifdef PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
-
-#ifdef PNG_NO_READ_TEXT
-# define PNG_NO_READ_iTXt
-# define PNG_NO_READ_tEXt
-# define PNG_NO_READ_zTXt
-#endif
-#ifndef PNG_NO_READ_bKGD
-# define PNG_READ_bKGD_SUPPORTED
-# define PNG_bKGD_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_cHRM
-# define PNG_READ_cHRM_SUPPORTED
-# define PNG_cHRM_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_gAMA
-# define PNG_READ_gAMA_SUPPORTED
-# define PNG_gAMA_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_hIST
-# define PNG_READ_hIST_SUPPORTED
-# define PNG_hIST_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_iCCP
-# define PNG_READ_iCCP_SUPPORTED
-# define PNG_iCCP_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_iTXt
-# ifndef PNG_READ_iTXt_SUPPORTED
-# define PNG_READ_iTXt_SUPPORTED
-# endif
-# ifndef PNG_iTXt_SUPPORTED
-# define PNG_iTXt_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_READ_oFFs
-# define PNG_READ_oFFs_SUPPORTED
-# define PNG_oFFs_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_pCAL
-# define PNG_READ_pCAL_SUPPORTED
-# define PNG_pCAL_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_sCAL
-# define PNG_READ_sCAL_SUPPORTED
-# define PNG_sCAL_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_pHYs
-# define PNG_READ_pHYs_SUPPORTED
-# define PNG_pHYs_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_sBIT
-# define PNG_READ_sBIT_SUPPORTED
-# define PNG_sBIT_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_sPLT
-# define PNG_READ_sPLT_SUPPORTED
-# define PNG_sPLT_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_sRGB
-# define PNG_READ_sRGB_SUPPORTED
-# define PNG_sRGB_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_tEXt
-# define PNG_READ_tEXt_SUPPORTED
-# define PNG_tEXt_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_tIME
-# define PNG_READ_tIME_SUPPORTED
-# define PNG_tIME_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_tRNS
-# define PNG_READ_tRNS_SUPPORTED
-# define PNG_tRNS_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_zTXt
-# define PNG_READ_zTXt_SUPPORTED
-# define PNG_zTXt_SUPPORTED
-#endif
-#ifndef PNG_NO_READ_UNKNOWN_CHUNKS
-# define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
-# ifndef PNG_UNKNOWN_CHUNKS_SUPPORTED
-# define PNG_UNKNOWN_CHUNKS_SUPPORTED
-# endif
-# ifndef PNG_NO_HANDLE_AS_UNKNOWN
-# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
-# endif
-#endif
-#if !defined(PNG_NO_READ_USER_CHUNKS) && \
- defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
-# define PNG_READ_USER_CHUNKS_SUPPORTED
-# define PNG_USER_CHUNKS_SUPPORTED
-# ifdef PNG_NO_READ_UNKNOWN_CHUNKS
-# undef PNG_NO_READ_UNKNOWN_CHUNKS
-# endif
-# ifdef PNG_NO_HANDLE_AS_UNKNOWN
-# undef PNG_NO_HANDLE_AS_UNKNOWN
-# endif
-#endif
-#ifndef PNG_NO_READ_OPT_PLTE
-# define PNG_READ_OPT_PLTE_SUPPORTED /* only affects support of the */
-#endif /* optional PLTE chunk in RGB and RGBA images */
-#if defined(PNG_READ_iTXt_SUPPORTED) || defined(PNG_READ_tEXt_SUPPORTED) || \
- defined(PNG_READ_zTXt_SUPPORTED)
-# define PNG_READ_TEXT_SUPPORTED
-# define PNG_TEXT_SUPPORTED
-#endif
-
-#endif /* PNG_READ_ANCILLARY_CHUNKS_SUPPORTED */
-
-#ifdef PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
-
-#ifdef PNG_NO_WRITE_TEXT
-# define PNG_NO_WRITE_iTXt
-# define PNG_NO_WRITE_tEXt
-# define PNG_NO_WRITE_zTXt
-#endif
-#ifndef PNG_NO_WRITE_bKGD
-# define PNG_WRITE_bKGD_SUPPORTED
-# ifndef PNG_bKGD_SUPPORTED
-# define PNG_bKGD_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_cHRM
-# define PNG_WRITE_cHRM_SUPPORTED
-# ifndef PNG_cHRM_SUPPORTED
-# define PNG_cHRM_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_gAMA
-# define PNG_WRITE_gAMA_SUPPORTED
-# ifndef PNG_gAMA_SUPPORTED
-# define PNG_gAMA_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_hIST
-# define PNG_WRITE_hIST_SUPPORTED
-# ifndef PNG_hIST_SUPPORTED
-# define PNG_hIST_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_iCCP
-# define PNG_WRITE_iCCP_SUPPORTED
-# ifndef PNG_iCCP_SUPPORTED
-# define PNG_iCCP_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_iTXt
-# ifndef PNG_WRITE_iTXt_SUPPORTED
-# define PNG_WRITE_iTXt_SUPPORTED
-# endif
-# ifndef PNG_iTXt_SUPPORTED
-# define PNG_iTXt_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_oFFs
-# define PNG_WRITE_oFFs_SUPPORTED
-# ifndef PNG_oFFs_SUPPORTED
-# define PNG_oFFs_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_pCAL
-# define PNG_WRITE_pCAL_SUPPORTED
-# ifndef PNG_pCAL_SUPPORTED
-# define PNG_pCAL_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_sCAL
-# define PNG_WRITE_sCAL_SUPPORTED
-# ifndef PNG_sCAL_SUPPORTED
-# define PNG_sCAL_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_pHYs
-# define PNG_WRITE_pHYs_SUPPORTED
-# ifndef PNG_pHYs_SUPPORTED
-# define PNG_pHYs_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_sBIT
-# define PNG_WRITE_sBIT_SUPPORTED
-# ifndef PNG_sBIT_SUPPORTED
-# define PNG_sBIT_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_sPLT
-# define PNG_WRITE_sPLT_SUPPORTED
-# ifndef PNG_sPLT_SUPPORTED
-# define PNG_sPLT_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_sRGB
-# define PNG_WRITE_sRGB_SUPPORTED
-# ifndef PNG_sRGB_SUPPORTED
-# define PNG_sRGB_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_tEXt
-# define PNG_WRITE_tEXt_SUPPORTED
-# ifndef PNG_tEXt_SUPPORTED
-# define PNG_tEXt_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_tIME
-# define PNG_WRITE_tIME_SUPPORTED
-# ifndef PNG_tIME_SUPPORTED
-# define PNG_tIME_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_tRNS
-# define PNG_WRITE_tRNS_SUPPORTED
-# ifndef PNG_tRNS_SUPPORTED
-# define PNG_tRNS_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_zTXt
-# define PNG_WRITE_zTXt_SUPPORTED
-# ifndef PNG_zTXt_SUPPORTED
-# define PNG_zTXt_SUPPORTED
-# endif
-#endif
-#ifndef PNG_NO_WRITE_UNKNOWN_CHUNKS
-# define PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
-# ifndef PNG_UNKNOWN_CHUNKS_SUPPORTED
-# define PNG_UNKNOWN_CHUNKS_SUPPORTED
-# endif
-# ifndef PNG_NO_HANDLE_AS_UNKNOWN
-# ifndef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
-# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
-# endif
-# endif
-#endif
-#if defined(PNG_WRITE_iTXt_SUPPORTED) || defined(PNG_WRITE_tEXt_SUPPORTED) || \
- defined(PNG_WRITE_zTXt_SUPPORTED)
-# define PNG_WRITE_TEXT_SUPPORTED
-# ifndef PNG_TEXT_SUPPORTED
-# define PNG_TEXT_SUPPORTED
-# endif
-#endif
-
-#endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */
-
-/* Turn this off to disable png_read_png() and
- * png_write_png() and leave the row_pointers member
- * out of the info structure.
- */
-#ifndef PNG_NO_INFO_IMAGE
-# define PNG_INFO_IMAGE_SUPPORTED
-#endif
-
-/* need the time information for reading tIME chunks */
-#if defined(PNG_tIME_SUPPORTED)
-# if !defined(_WIN32_WCE)
- /* "time.h" functions are not supported on WindowsCE */
-# include <time.h>
-# endif
-#endif
-
-/* Some typedefs to get us started. These should be safe on most of the
- * common platforms. The typedefs should be at least as large as the
- * numbers suggest (a png_uint_32 must be at least 32 bits long), but they
- * don't have to be exactly that size. Some compilers dislike passing
- * unsigned shorts as function parameters, so you may be better off using
- * unsigned int for png_uint_16. Likewise, for 64-bit systems, you may
- * want to have unsigned int for png_uint_32 instead of unsigned long.
- */
-
-typedef unsigned long png_uint_32;
-typedef long png_int_32;
-typedef unsigned short png_uint_16;
-typedef short png_int_16;
-typedef unsigned char png_byte;
-
-/* This is usually size_t. It is typedef'ed just in case you need it to
- change (I'm not sure if you will or not, so I thought I'd be safe) */
-#ifdef PNG_SIZE_T
- typedef PNG_SIZE_T png_size_t;
-# define png_sizeof(x) png_convert_size(sizeof(x))
-#else
- typedef size_t png_size_t;
-# define png_sizeof(x) sizeof(x)
-#endif
-
-/* The following is needed for medium model support. It cannot be in the
- * PNG_INTERNAL section. Needs modification for other compilers besides
- * MSC. Model independent support declares all arrays and pointers to be
- * large using the far keyword. The zlib version used must also support
- * model independent data. As of version zlib 1.0.4, the necessary changes
- * have been made in zlib. The USE_FAR_KEYWORD define triggers other
- * changes that are needed. (Tim Wegner)
- */
-
-/* Separate compiler dependencies (problem here is that zlib.h always
- defines FAR. (SJT) */
-#ifdef __BORLANDC__
-# if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__)
-# define LDATA 1
-# else
-# define LDATA 0
-# endif
- /* GRR: why is Cygwin in here? Cygwin is not Borland C... */
-# if !defined(__WIN32__) && !defined(__FLAT__) && !defined(__CYGWIN__)
-# define PNG_MAX_MALLOC_64K
-# if (LDATA != 1)
-# ifndef FAR
-# define FAR __far
-# endif
-# define USE_FAR_KEYWORD
-# endif /* LDATA != 1 */
- /* Possibly useful for moving data out of default segment.
- * Uncomment it if you want. Could also define FARDATA as
- * const if your compiler supports it. (SJT)
-# define FARDATA FAR
- */
-# endif /* __WIN32__, __FLAT__, __CYGWIN__ */
-#endif /* __BORLANDC__ */
-
-
-/* Suggest testing for specific compiler first before testing for
- * FAR. The Watcom compiler defines both __MEDIUM__ and M_I86MM,
- * making reliance oncertain keywords suspect. (SJT)
- */
-
-/* MSC Medium model */
-#if defined(FAR)
-# if defined(M_I86MM)
-# define USE_FAR_KEYWORD
-# define FARDATA FAR
-# include <dos.h>
-# endif
-#endif
-
-/* SJT: default case */
-#ifndef FAR
-# define FAR
-#endif
-
-/* At this point FAR is always defined */
-#ifndef FARDATA
-# define FARDATA
-#endif
-
-/* Typedef for floating-point numbers that are converted
- to fixed-point with a multiple of 100,000, e.g., int_gamma */
-typedef png_int_32 png_fixed_point;
-
-/* Add typedefs for pointers */
-typedef void FAR * png_voidp;
-typedef png_byte FAR * png_bytep;
-typedef png_uint_32 FAR * png_uint_32p;
-typedef png_int_32 FAR * png_int_32p;
-typedef png_uint_16 FAR * png_uint_16p;
-typedef png_int_16 FAR * png_int_16p;
-typedef PNG_CONST char FAR * png_const_charp;
-typedef char FAR * png_charp;
-typedef png_fixed_point FAR * png_fixed_point_p;
-
-#ifndef PNG_NO_STDIO
-#if defined(_WIN32_WCE)
-typedef HANDLE png_FILE_p;
-#else
-typedef FILE * png_FILE_p;
-#endif
-#endif
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-typedef double FAR * png_doublep;
-#endif
-
-/* Pointers to pointers; i.e. arrays */
-typedef png_byte FAR * FAR * png_bytepp;
-typedef png_uint_32 FAR * FAR * png_uint_32pp;
-typedef png_int_32 FAR * FAR * png_int_32pp;
-typedef png_uint_16 FAR * FAR * png_uint_16pp;
-typedef png_int_16 FAR * FAR * png_int_16pp;
-typedef PNG_CONST char FAR * FAR * png_const_charpp;
-typedef char FAR * FAR * png_charpp;
-typedef png_fixed_point FAR * FAR * png_fixed_point_pp;
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-typedef double FAR * FAR * png_doublepp;
-#endif
-
-/* Pointers to pointers to pointers; i.e., pointer to array */
-typedef char FAR * FAR * FAR * png_charppp;
-
-#if defined(PNG_1_0_X) || defined(PNG_1_2_X)
-/* SPC - Is this stuff deprecated? */
-/* It'll be removed as of libpng-1.3.0 - GR-P */
-/* libpng typedefs for types in zlib. If zlib changes
- * or another compression library is used, then change these.
- * Eliminates need to change all the source files.
- */
-typedef charf * png_zcharp;
-typedef charf * FAR * png_zcharpp;
-typedef z_stream FAR * png_zstreamp;
-#endif /* (PNG_1_0_X) || defined(PNG_1_2_X) */
-
-/*
- * Define PNG_BUILD_DLL if the module being built is a Windows
- * LIBPNG DLL.
- *
- * Define PNG_USE_DLL if you want to *link* to the Windows LIBPNG DLL.
- * It is equivalent to Microsoft predefined macro _DLL that is
- * automatically defined when you compile using the share
- * version of the CRT (C Run-Time library)
- *
- * The cygwin mods make this behavior a little different:
- * Define PNG_BUILD_DLL if you are building a dll for use with cygwin
- * Define PNG_STATIC if you are building a static library for use with cygwin,
- * -or- if you are building an application that you want to link to the
- * static library.
- * PNG_USE_DLL is defined by default (no user action needed) unless one of
- * the other flags is defined.
- */
-
-#if !defined(PNG_DLL) && (defined(PNG_BUILD_DLL) || defined(PNG_USE_DLL))
-# define PNG_DLL
-#endif
-/* If CYGWIN, then disallow GLOBAL ARRAYS unless building a static lib.
- * When building a static lib, default to no GLOBAL ARRAYS, but allow
- * command-line override
- */
-#if defined(__CYGWIN__)
-# if !defined(PNG_STATIC)
-# if defined(PNG_USE_GLOBAL_ARRAYS)
-# undef PNG_USE_GLOBAL_ARRAYS
-# endif
-# if !defined(PNG_USE_LOCAL_ARRAYS)
-# define PNG_USE_LOCAL_ARRAYS
-# endif
-# else
-# if defined(PNG_USE_LOCAL_ARRAYS) || defined(PNG_NO_GLOBAL_ARRAYS)
-# if defined(PNG_USE_GLOBAL_ARRAYS)
-# undef PNG_USE_GLOBAL_ARRAYS
-# endif
-# endif
-# endif
-# if !defined(PNG_USE_LOCAL_ARRAYS) && !defined(PNG_USE_GLOBAL_ARRAYS)
-# define PNG_USE_LOCAL_ARRAYS
-# endif
-#endif
-
-/* Do not use global arrays (helps with building DLL's)
- * They are no longer used in libpng itself, since version 1.0.5c,
- * but might be required for some pre-1.0.5c applications.
- */
-#if !defined(PNG_USE_LOCAL_ARRAYS) && !defined(PNG_USE_GLOBAL_ARRAYS)
-# if defined(PNG_NO_GLOBAL_ARRAYS) || \
- (defined(__GNUC__) && defined(PNG_DLL)) || defined(_MSC_VER)
-# define PNG_USE_LOCAL_ARRAYS
-# else
-# define PNG_USE_GLOBAL_ARRAYS
-# endif
-#endif
-
-#if defined(__CYGWIN__)
-# undef PNGAPI
-# define PNGAPI __cdecl
-# undef PNG_IMPEXP
-# define PNG_IMPEXP
-#endif
-
-/* If you define PNGAPI, e.g., with compiler option "-DPNGAPI=__stdcall",
- * you may get warnings regarding the linkage of png_zalloc and png_zfree.
- * Don't ignore those warnings; you must also reset the default calling
- * convention in your compiler to match your PNGAPI, and you must build
- * zlib and your applications the same way you build libpng.
- */
-
-#if defined(__MINGW32__) && !defined(PNG_MODULEDEF)
-# ifndef PNG_NO_MODULEDEF
-# define PNG_NO_MODULEDEF
-# endif
-#endif
-
-#if !defined(PNG_IMPEXP) && defined(PNG_BUILD_DLL) && !defined(PNG_NO_MODULEDEF)
-# define PNG_IMPEXP
-#endif
-
-#if defined(PNG_DLL) || defined(_DLL) || defined(__DLL__ ) || \
- (( defined(_Windows) || defined(_WINDOWS) || \
- defined(WIN32) || defined(_WIN32) || defined(__WIN32__) ))
-
-# ifndef PNGAPI
-# if defined(__GNUC__) || (defined (_MSC_VER) && (_MSC_VER >= 800))
-# define PNGAPI __cdecl
-# else
-# define PNGAPI _cdecl
-# endif
-# endif
-
-# if !defined(PNG_IMPEXP) && (!defined(PNG_DLL) || \
- 0 /* WINCOMPILER_WITH_NO_SUPPORT_FOR_DECLIMPEXP */)
-# define PNG_IMPEXP
-# endif
-
-# if !defined(PNG_IMPEXP)
-
-# define PNG_EXPORT_TYPE1(type,symbol) PNG_IMPEXP type PNGAPI symbol
-# define PNG_EXPORT_TYPE2(type,symbol) type PNG_IMPEXP PNGAPI symbol
-
- /* Borland/Microsoft */
-# if defined(_MSC_VER) || defined(__BORLANDC__)
-# if (_MSC_VER >= 800) || (__BORLANDC__ >= 0x500)
-# define PNG_EXPORT PNG_EXPORT_TYPE1
-# else
-# define PNG_EXPORT PNG_EXPORT_TYPE2
-# if defined(PNG_BUILD_DLL)
-# define PNG_IMPEXP __export
-# else
-# define PNG_IMPEXP /*__import */ /* doesn't exist AFAIK in
- VC++ */
-# endif /* Exists in Borland C++ for
- C++ classes (== huge) */
-# endif
-# endif
-
-# if !defined(PNG_IMPEXP)
-# if defined(PNG_BUILD_DLL)
-# define PNG_IMPEXP __declspec(dllexport)
-# else
-# define PNG_IMPEXP __declspec(dllimport)
-# endif
-# endif
-# endif /* PNG_IMPEXP */
-#else /* !(DLL || non-cygwin WINDOWS) */
-# if (defined(__IBMC__) || defined(__IBMCPP__)) && defined(__OS2__)
-# ifndef PNGAPI
-# define PNGAPI _System
-# endif
-# else
-# if 0 /* ... other platforms, with other meanings */
-# endif
-# endif
-#endif
-
-#ifndef PNGAPI
-# define PNGAPI
-#endif
-#ifndef PNG_IMPEXP
-# define PNG_IMPEXP
-#endif
-
-#ifdef PNG_BUILDSYMS
-# ifndef PNG_EXPORT
-# define PNG_EXPORT(type,symbol) PNG_FUNCTION_EXPORT symbol END
-# endif
-# ifdef PNG_USE_GLOBAL_ARRAYS
-# ifndef PNG_EXPORT_VAR
-# define PNG_EXPORT_VAR(type) PNG_DATA_EXPORT
-# endif
-# endif
-#endif
-
-#ifndef PNG_EXPORT
-# define PNG_EXPORT(type,symbol) PNG_IMPEXP type PNGAPI symbol
-#endif
-
-#ifdef PNG_USE_GLOBAL_ARRAYS
-# ifndef PNG_EXPORT_VAR
-# define PNG_EXPORT_VAR(type) extern PNG_IMPEXP type
-# endif
-#endif
-
-/* User may want to use these so they are not in PNG_INTERNAL. Any library
- * functions that are passed far data must be model independent.
- */
-
-#ifndef PNG_ABORT
-# define PNG_ABORT() abort()
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
-# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
-#else
-# define png_jmpbuf(png_ptr) \
- (LIBPNG_WAS_COMPILED_WITH__PNG_SETJMP_NOT_SUPPORTED)
-#endif
-
-#if defined(USE_FAR_KEYWORD) /* memory model independent fns */
-/* use this to make far-to-near assignments */
-# define CHECK 1
-# define NOCHECK 0
-# define CVT_PTR(ptr) (png_far_to_near(png_ptr,ptr,CHECK))
-# define CVT_PTR_NOCHECK(ptr) (png_far_to_near(png_ptr,ptr,NOCHECK))
-# define png_snprintf _fsnprintf /* Added to v 1.2.19 */
-# define png_strlen _fstrlen
-# define png_memcmp _fmemcmp /* SJT: added */
-# define png_memcpy _fmemcpy
-# define png_memset _fmemset
-#else /* use the usual functions */
-# define CVT_PTR(ptr) (ptr)
-# define CVT_PTR_NOCHECK(ptr) (ptr)
-# ifndef PNG_NO_SNPRINTF
-# ifdef _MSC_VER
-# define png_snprintf _snprintf /* Added to v 1.2.19 */
-# define png_snprintf2 _snprintf
-# define png_snprintf6 _snprintf
-# else
-# define png_snprintf snprintf /* Added to v 1.2.19 */
-# define png_snprintf2 snprintf
-# define png_snprintf6 snprintf
-# endif
-# else
- /* You don't have or don't want to use snprintf(). Caution: Using
- * sprintf instead of snprintf exposes your application to accidental
- * or malevolent buffer overflows. If you don't have snprintf()
- * as a general rule you should provide one (you can get one from
- * Portable OpenSSH). */
-# define png_snprintf(s1,n,fmt,x1) sprintf(s1,fmt,x1)
-# define png_snprintf2(s1,n,fmt,x1,x2) sprintf(s1,fmt,x1,x2)
-# define png_snprintf6(s1,n,fmt,x1,x2,x3,x4,x5,x6) \
- sprintf(s1,fmt,x1,x2,x3,x4,x5,x6)
-# endif
-# define png_strlen strlen
-# define png_memcmp memcmp /* SJT: added */
-# define png_memcpy memcpy
-# define png_memset memset
-#endif
-/* End of memory model independent support */
-
-/* Just a little check that someone hasn't tried to define something
- * contradictory.
- */
-#if (PNG_ZBUF_SIZE > 65536L) && defined(PNG_MAX_MALLOC_64K)
-# undef PNG_ZBUF_SIZE
-# define PNG_ZBUF_SIZE 65536L
-#endif
-
-/* Added at libpng-1.2.8 */
-#endif /* PNG_VERSION_INFO_ONLY */
-
-#endif /* PNGCONF_H */
+++ /dev/null
-
-/* pngerror.c - stub functions for i/o and memory allocation
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * This file provides a location for all error handling. Users who
- * need special error handling are expected to write replacement functions
- * and use png_set_error_fn() to use those functions. See the instructions
- * at each function.
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-
-static void /* PRIVATE */
-png_default_error PNGARG((png_structp png_ptr,
- png_const_charp error_message));
-#ifndef PNG_NO_WARNINGS
-static void /* PRIVATE */
-png_default_warning PNGARG((png_structp png_ptr,
- png_const_charp warning_message));
-#endif /* PNG_NO_WARNINGS */
-
-/* This function is called whenever there is a fatal error. This function
- * should not be changed. If there is a need to handle errors differently,
- * you should supply a replacement error function and use png_set_error_fn()
- * to replace the error function at run-time.
- */
-#ifndef PNG_NO_ERROR_TEXT
-void PNGAPI
-png_error(png_structp png_ptr, png_const_charp error_message)
-{
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- char msg[16];
- if (png_ptr != NULL)
- {
- if (png_ptr->flags&
- (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
- {
- if (*error_message == '#')
- {
- /* Strip "#nnnn " from beginning of error message. */
- int offset;
- for (offset = 1; offset<15; offset++)
- if (error_message[offset] == ' ')
- break;
- if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
- {
- int i;
- for (i = 0; i < offset - 1; i++)
- msg[i] = error_message[i + 1];
- msg[i - 1] = '\0';
- error_message = msg;
- }
- else
- error_message += offset;
- }
- else
- {
- if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
- {
- msg[0] = '0';
- msg[1] = '\0';
- error_message = msg;
- }
- }
- }
- }
-#endif
- if (png_ptr != NULL && png_ptr->error_fn != NULL)
- (*(png_ptr->error_fn))(png_ptr, error_message);
-
- /* If the custom handler doesn't exist, or if it returns,
- use the default handler, which will not return. */
- png_default_error(png_ptr, error_message);
-}
-#else
-void PNGAPI
-png_err(png_structp png_ptr)
-{
- if (png_ptr != NULL && png_ptr->error_fn != NULL)
- (*(png_ptr->error_fn))(png_ptr, '\0');
-
- /* If the custom handler doesn't exist, or if it returns,
- use the default handler, which will not return. */
- png_default_error(png_ptr, '\0');
-}
-#endif /* PNG_NO_ERROR_TEXT */
-
-#ifndef PNG_NO_WARNINGS
-/* This function is called whenever there is a non-fatal error. This function
- * should not be changed. If there is a need to handle warnings differently,
- * you should supply a replacement warning function and use
- * png_set_error_fn() to replace the warning function at run-time.
- */
-void PNGAPI
-png_warning(png_structp png_ptr, png_const_charp warning_message)
-{
- int offset = 0;
- if (png_ptr != NULL)
- {
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- if (png_ptr->flags&
- (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
-#endif
- {
- if (*warning_message == '#')
- {
- for (offset = 1; offset < 15; offset++)
- if (warning_message[offset] == ' ')
- break;
- }
- }
- }
- if (png_ptr != NULL && png_ptr->warning_fn != NULL)
- (*(png_ptr->warning_fn))(png_ptr, warning_message + offset);
- else
- png_default_warning(png_ptr, warning_message + offset);
-}
-#endif /* PNG_NO_WARNINGS */
-
-
-/* These utilities are used internally to build an error message that relates
- * to the current chunk. The chunk name comes from png_ptr->chunk_name,
- * this is used to prefix the message. The message is limited in length
- * to 63 bytes, the name characters are output as hex digits wrapped in []
- * if the character is invalid.
- */
-#define isnonalpha(c) ((c) < 65 || (c) > 122 || ((c) > 90 && (c) < 97))
-static PNG_CONST char png_digit[16] = {
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- 'A', 'B', 'C', 'D', 'E', 'F'
-};
-
-#define PNG_MAX_ERROR_TEXT 64
-
-#if !defined(PNG_NO_WARNINGS) || !defined(PNG_NO_ERROR_TEXT)
-static void /* PRIVATE */
-png_format_buffer(png_structp png_ptr, png_charp buffer, png_const_charp
- error_message)
-{
- int iout = 0, iin = 0;
-
- while (iin < 4)
- {
- int c = png_ptr->chunk_name[iin++];
- if (isnonalpha(c))
- {
- buffer[iout++] = '[';
- buffer[iout++] = png_digit[(c & 0xf0) >> 4];
- buffer[iout++] = png_digit[c & 0x0f];
- buffer[iout++] = ']';
- }
- else
- {
- buffer[iout++] = (png_byte)c;
- }
- }
-
- if (error_message == NULL)
- buffer[iout] = '\0';
- else
- {
- buffer[iout++] = ':';
- buffer[iout++] = ' ';
- png_memcpy(buffer + iout, error_message, PNG_MAX_ERROR_TEXT);
- buffer[iout + PNG_MAX_ERROR_TEXT - 1] = '\0';
- }
-}
-
-#ifdef PNG_READ_SUPPORTED
-void PNGAPI
-png_chunk_error(png_structp png_ptr, png_const_charp error_message)
-{
- char msg[18+PNG_MAX_ERROR_TEXT];
- if (png_ptr == NULL)
- png_error(png_ptr, error_message);
- else
- {
- png_format_buffer(png_ptr, msg, error_message);
- png_error(png_ptr, msg);
- }
-}
-#endif /* PNG_READ_SUPPORTED */
-#endif /* !defined(PNG_NO_WARNINGS) || !defined(PNG_NO_ERROR_TEXT) */
-
-#ifndef PNG_NO_WARNINGS
-void PNGAPI
-png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
-{
- char msg[18+PNG_MAX_ERROR_TEXT];
- if (png_ptr == NULL)
- png_warning(png_ptr, warning_message);
- else
- {
- png_format_buffer(png_ptr, msg, warning_message);
- png_warning(png_ptr, msg);
- }
-}
-#endif /* PNG_NO_WARNINGS */
-
-
-/* This is the default error handling function. Note that replacements for
- * this function MUST NOT RETURN, or the program will likely crash. This
- * function is used by default, or if the program supplies NULL for the
- * error function pointer in png_set_error_fn().
- */
-static void /* PRIVATE */
-png_default_error(png_structp png_ptr, png_const_charp error_message)
-{
-#ifndef PNG_NO_CONSOLE_IO
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- if (*error_message == '#')
- {
- /* Strip "#nnnn " from beginning of error message. */
- int offset;
- char error_number[16];
- for (offset = 0; offset<15; offset++)
- {
- error_number[offset] = error_message[offset + 1];
- if (error_message[offset] == ' ')
- break;
- }
- if ((offset > 1) && (offset < 15))
- {
- error_number[offset - 1] = '\0';
- fprintf(stderr, "libpng error no. %s: %s",
- error_number, error_message + offset + 1);
- fprintf(stderr, PNG_STRING_NEWLINE);
- }
- else
- {
- fprintf(stderr, "libpng error: %s, offset=%d",
- error_message, offset);
- fprintf(stderr, PNG_STRING_NEWLINE);
- }
- }
- else
-#endif
- {
- fprintf(stderr, "libpng error: %s", error_message);
- fprintf(stderr, PNG_STRING_NEWLINE);
- }
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
- if (png_ptr)
- {
-# ifdef USE_FAR_KEYWORD
- {
- jmp_buf jmpbuf;
- png_memcpy(jmpbuf, png_ptr->jmpbuf, png_sizeof(jmp_buf));
- longjmp(jmpbuf, 1);
- }
-# else
- longjmp(png_ptr->jmpbuf, 1);
-# endif
- }
-#else
- PNG_ABORT();
-#endif
-#ifdef PNG_NO_CONSOLE_IO
- error_message = error_message; /* Make compiler happy */
-#endif
-}
-
-#ifndef PNG_NO_WARNINGS
-/* This function is called when there is a warning, but the library thinks
- * it can continue anyway. Replacement functions don't have to do anything
- * here if you don't want them to. In the default configuration, png_ptr is
- * not used, but it is passed in case it may be useful.
- */
-static void /* PRIVATE */
-png_default_warning(png_structp png_ptr, png_const_charp warning_message)
-{
-#ifndef PNG_NO_CONSOLE_IO
-# ifdef PNG_ERROR_NUMBERS_SUPPORTED
- if (*warning_message == '#')
- {
- int offset;
- char warning_number[16];
- for (offset = 0; offset < 15; offset++)
- {
- warning_number[offset] = warning_message[offset + 1];
- if (warning_message[offset] == ' ')
- break;
- }
- if ((offset > 1) && (offset < 15))
- {
- warning_number[offset + 1] = '\0';
- fprintf(stderr, "libpng warning no. %s: %s",
- warning_number, warning_message + offset);
- fprintf(stderr, PNG_STRING_NEWLINE);
- }
- else
- {
- fprintf(stderr, "libpng warning: %s",
- warning_message);
- fprintf(stderr, PNG_STRING_NEWLINE);
- }
- }
- else
-# endif
- {
- fprintf(stderr, "libpng warning: %s", warning_message);
- fprintf(stderr, PNG_STRING_NEWLINE);
- }
-#else
- warning_message = warning_message; /* Make compiler happy */
-#endif
- png_ptr = png_ptr; /* Make compiler happy */
-}
-#endif /* PNG_NO_WARNINGS */
-
-/* This function is called when the application wants to use another method
- * of handling errors and warnings. Note that the error function MUST NOT
- * return to the calling routine or serious problems will occur. The return
- * method used in the default routine calls longjmp(png_ptr->jmpbuf, 1)
- */
-void PNGAPI
-png_set_error_fn(png_structp png_ptr, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warning_fn)
-{
- if (png_ptr == NULL)
- return;
- png_ptr->error_ptr = error_ptr;
- png_ptr->error_fn = error_fn;
- png_ptr->warning_fn = warning_fn;
-}
-
-
-/* This function returns a pointer to the error_ptr associated with the user
- * functions. The application should free any memory associated with this
- * pointer before png_write_destroy and png_read_destroy are called.
- */
-png_voidp PNGAPI
-png_get_error_ptr(png_structp png_ptr)
-{
- if (png_ptr == NULL)
- return NULL;
- return ((png_voidp)png_ptr->error_ptr);
-}
-
-
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
-void PNGAPI
-png_set_strip_error_numbers(png_structp png_ptr, png_uint_32 strip_mode)
-{
- if (png_ptr != NULL)
- {
- png_ptr->flags &=
- ((~(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))&strip_mode);
- }
-}
-#endif
-#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
+++ /dev/null
-/* pnggccrd.c was removed from libpng-1.2.20. */
-
-/* This code snippet is for use by configure's compilation test. */
-
-#if (!defined _MSC_VER) && \
- defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \
- defined(PNG_MMX_CODE_SUPPORTED)
-
-int PNGAPI png_dummy_mmx_support(void);
-
-static int _mmx_supported = 2; // 0: no MMX; 1: MMX supported; 2: not tested
-
-int PNGAPI
-png_dummy_mmx_support(void) __attribute__((noinline));
-
-int PNGAPI
-png_dummy_mmx_support(void)
-{
- int result;
-#if defined(PNG_MMX_CODE_SUPPORTED) // superfluous, but what the heck
- __asm__ __volatile__ (
-#if defined(__x86_64__)
- "pushq %%rbx \n\t" // rbx gets clobbered by CPUID instruction
- "pushq %%rcx \n\t" // so does rcx...
- "pushq %%rdx \n\t" // ...and rdx (but rcx & rdx safe on Linux)
- "pushfq \n\t" // save Eflag to stack
- "popq %%rax \n\t" // get Eflag from stack into rax
- "movq %%rax, %%rcx \n\t" // make another copy of Eflag in rcx
- "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21)
- "pushq %%rax \n\t" // save modified Eflag back to stack
- "popfq \n\t" // restore modified value to Eflag reg
- "pushfq \n\t" // save Eflag to stack
- "popq %%rax \n\t" // get Eflag from stack
- "pushq %%rcx \n\t" // save original Eflag to stack
- "popfq \n\t" // restore original Eflag
-#else
- "pushl %%ebx \n\t" // ebx gets clobbered by CPUID instruction
- "pushl %%ecx \n\t" // so does ecx...
- "pushl %%edx \n\t" // ...and edx (but ecx & edx safe on Linux)
- "pushfl \n\t" // save Eflag to stack
- "popl %%eax \n\t" // get Eflag from stack into eax
- "movl %%eax, %%ecx \n\t" // make another copy of Eflag in ecx
- "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21)
- "pushl %%eax \n\t" // save modified Eflag back to stack
- "popfl \n\t" // restore modified value to Eflag reg
- "pushfl \n\t" // save Eflag to stack
- "popl %%eax \n\t" // get Eflag from stack
- "pushl %%ecx \n\t" // save original Eflag to stack
- "popfl \n\t" // restore original Eflag
-#endif
- "xorl %%ecx, %%eax \n\t" // compare new Eflag with original Eflag
- "jz 0f \n\t" // if same, CPUID instr. is not supported
-
- "xorl %%eax, %%eax \n\t" // set eax to zero
-// ".byte 0x0f, 0xa2 \n\t" // CPUID instruction (two-byte opcode)
- "cpuid \n\t" // get the CPU identification info
- "cmpl $1, %%eax \n\t" // make sure eax return non-zero value
- "jl 0f \n\t" // if eax is zero, MMX is not supported
-
- "xorl %%eax, %%eax \n\t" // set eax to zero and...
- "incl %%eax \n\t" // ...increment eax to 1. This pair is
- // faster than the instruction "mov eax, 1"
- "cpuid \n\t" // get the CPU identification info again
- "andl $0x800000, %%edx \n\t" // mask out all bits but MMX bit (23)
- "cmpl $0, %%edx \n\t" // 0 = MMX not supported
- "jz 0f \n\t" // non-zero = yes, MMX IS supported
-
- "movl $1, %%eax \n\t" // set return value to 1
- "jmp 1f \n\t" // DONE: have MMX support
-
- "0: \n\t" // .NOT_SUPPORTED: target label for jump instructions
- "movl $0, %%eax \n\t" // set return value to 0
- "1: \n\t" // .RETURN: target label for jump instructions
-#if defined(__x86_64__)
- "popq %%rdx \n\t" // restore rdx
- "popq %%rcx \n\t" // restore rcx
- "popq %%rbx \n\t" // restore rbx
-#else
- "popl %%edx \n\t" // restore edx
- "popl %%ecx \n\t" // restore ecx
- "popl %%ebx \n\t" // restore ebx
-#endif
-
-// "ret \n\t" // DONE: no MMX support
- // (fall through to standard C "ret")
-
- : "=a" (result) // output list
-
- : // any variables used on input (none)
-
- // no clobber list
-// , "%ebx", "%ecx", "%edx" // GRR: we handle these manually
-// , "memory" // if write to a variable gcc thought was in a reg
-// , "cc" // "condition codes" (flag bits)
- );
- _mmx_supported = result;
-#else
- _mmx_supported = 0;
-#endif /* PNG_MMX_CODE_SUPPORTED */
-
- return _mmx_supported;
-}
-#endif
+++ /dev/null
-
-/* pngget.c - retrieval of values from info struct
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-
-png_uint_32 PNGAPI
-png_get_valid(png_structp png_ptr, png_infop info_ptr, png_uint_32 flag)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return(info_ptr->valid & flag);
-
- else
- return(0);
-}
-
-png_uint_32 PNGAPI
-png_get_rowbytes(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return(info_ptr->rowbytes);
-
- else
- return(0);
-}
-
-#if defined(PNG_INFO_IMAGE_SUPPORTED)
-png_bytepp PNGAPI
-png_get_rows(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return(info_ptr->row_pointers);
-
- else
- return(0);
-}
-#endif
-
-#ifdef PNG_EASY_ACCESS_SUPPORTED
-/* Easy access to info, added in libpng-0.99 */
-png_uint_32 PNGAPI
-png_get_image_width(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return info_ptr->width;
-
- return (0);
-}
-
-png_uint_32 PNGAPI
-png_get_image_height(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return info_ptr->height;
-
- return (0);
-}
-
-png_byte PNGAPI
-png_get_bit_depth(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return info_ptr->bit_depth;
-
- return (0);
-}
-
-png_byte PNGAPI
-png_get_color_type(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return info_ptr->color_type;
-
- return (0);
-}
-
-png_byte PNGAPI
-png_get_filter_type(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return info_ptr->filter_type;
-
- return (0);
-}
-
-png_byte PNGAPI
-png_get_interlace_type(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return info_ptr->interlace_type;
-
- return (0);
-}
-
-png_byte PNGAPI
-png_get_compression_type(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return info_ptr->compression_type;
-
- return (0);
-}
-
-png_uint_32 PNGAPI
-png_get_x_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
-#if defined(PNG_pHYs_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_pHYs)
- {
- png_debug1(1, "in %s retrieval function", "png_get_x_pixels_per_meter");
-
- if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER)
- return (0);
-
- else
- return (info_ptr->x_pixels_per_unit);
- }
-#else
- return (0);
-#endif
- return (0);
-}
-
-png_uint_32 PNGAPI
-png_get_y_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
-#if defined(PNG_pHYs_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_pHYs)
- {
- png_debug1(1, "in %s retrieval function", "png_get_y_pixels_per_meter");
-
- if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER)
- return (0);
-
- else
- return (info_ptr->y_pixels_per_unit);
- }
-#else
- return (0);
-#endif
- return (0);
-}
-
-png_uint_32 PNGAPI
-png_get_pixels_per_meter(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
-#if defined(PNG_pHYs_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_pHYs)
- {
- png_debug1(1, "in %s retrieval function", "png_get_pixels_per_meter");
-
- if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER ||
- info_ptr->x_pixels_per_unit != info_ptr->y_pixels_per_unit)
- return (0);
-
- else
- return (info_ptr->x_pixels_per_unit);
- }
-#else
- return (0);
-#endif
- return (0);
-}
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-float PNGAPI
-png_get_pixel_aspect_ratio(png_structp png_ptr, png_infop info_ptr)
- {
- if (png_ptr != NULL && info_ptr != NULL)
-#if defined(PNG_pHYs_SUPPORTED)
-
- if (info_ptr->valid & PNG_INFO_pHYs)
- {
- png_debug1(1, "in %s retrieval function", "png_get_aspect_ratio");
- if (info_ptr->x_pixels_per_unit == 0)
- return ((float)0.0);
- else
- return ((float)((float)info_ptr->y_pixels_per_unit
- /(float)info_ptr->x_pixels_per_unit));
- }
-#else
- return (0.0);
-#endif
- return ((float)0.0);
-}
-#endif
-
-png_int_32 PNGAPI
-png_get_x_offset_microns(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
-#if defined(PNG_oFFs_SUPPORTED)
-
- if (info_ptr->valid & PNG_INFO_oFFs)
- {
- png_debug1(1, "in %s retrieval function", "png_get_x_offset_microns");
-
- if (info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER)
- return (0);
-
- else
- return (info_ptr->x_offset);
- }
-#else
- return (0);
-#endif
- return (0);
-}
-
-png_int_32 PNGAPI
-png_get_y_offset_microns(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
-
-#if defined(PNG_oFFs_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_oFFs)
- {
- png_debug1(1, "in %s retrieval function", "png_get_y_offset_microns");
-
- if (info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER)
- return (0);
-
- else
- return (info_ptr->y_offset);
- }
-#else
- return (0);
-#endif
- return (0);
-}
-
-png_int_32 PNGAPI
-png_get_x_offset_pixels(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
-
-#if defined(PNG_oFFs_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_oFFs)
- {
- png_debug1(1, "in %s retrieval function", "png_get_x_offset_microns");
-
- if (info_ptr->offset_unit_type != PNG_OFFSET_PIXEL)
- return (0);
-
- else
- return (info_ptr->x_offset);
- }
-#else
- return (0);
-#endif
- return (0);
-}
-
-png_int_32 PNGAPI
-png_get_y_offset_pixels(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
-
-#if defined(PNG_oFFs_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_oFFs)
- {
- png_debug1(1, "in %s retrieval function", "png_get_y_offset_microns");
-
- if (info_ptr->offset_unit_type != PNG_OFFSET_PIXEL)
- return (0);
-
- else
- return (info_ptr->y_offset);
- }
-#else
- return (0);
-#endif
- return (0);
-}
-
-#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
-{
- return ((png_uint_32)((float)png_get_pixels_per_meter(png_ptr, info_ptr)
- *.0254 +.5));
-}
-
-png_uint_32 PNGAPI
-png_get_x_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
-{
- return ((png_uint_32)((float)png_get_x_pixels_per_meter(png_ptr, info_ptr)
- *.0254 +.5));
-}
-
-png_uint_32 PNGAPI
-png_get_y_pixels_per_inch(png_structp png_ptr, png_infop info_ptr)
-{
- return ((png_uint_32)((float)png_get_y_pixels_per_meter(png_ptr, info_ptr)
- *.0254 +.5));
-}
-
-float PNGAPI
-png_get_x_offset_inches(png_structp png_ptr, png_infop info_ptr)
-{
- return ((float)png_get_x_offset_microns(png_ptr, info_ptr)
- *.00003937);
-}
-
-float PNGAPI
-png_get_y_offset_inches(png_structp png_ptr, png_infop info_ptr)
-{
- return ((float)png_get_y_offset_microns(png_ptr, info_ptr)
- *.00003937);
-}
-
-#if defined(PNG_pHYs_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_pHYs_dpi(png_structp png_ptr, png_infop info_ptr,
- png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)
-{
- png_uint_32 retval = 0;
-
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs))
- {
- png_debug1(1, "in %s retrieval function", "pHYs");
- if (res_x != NULL)
- {
- *res_x = info_ptr->x_pixels_per_unit;
- retval |= PNG_INFO_pHYs;
- }
- if (res_y != NULL)
- {
- *res_y = info_ptr->y_pixels_per_unit;
- retval |= PNG_INFO_pHYs;
- }
- if (unit_type != NULL)
- {
- *unit_type = (int)info_ptr->phys_unit_type;
- retval |= PNG_INFO_pHYs;
- if (*unit_type == 1)
- {
- if (res_x != NULL) *res_x = (png_uint_32)(*res_x * .0254 + .50);
- if (res_y != NULL) *res_y = (png_uint_32)(*res_y * .0254 + .50);
- }
- }
- }
- return (retval);
-}
-#endif /* PNG_pHYs_SUPPORTED */
-#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */
-
-/* png_get_channels really belongs in here, too, but it's been around longer */
-
-#endif /* PNG_EASY_ACCESS_SUPPORTED */
-
-png_byte PNGAPI
-png_get_channels(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return(info_ptr->channels);
- else
- return (0);
-}
-
-png_bytep PNGAPI
-png_get_signature(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr != NULL && info_ptr != NULL)
- return(info_ptr->signature);
- else
- return (NULL);
-}
-
-#if defined(PNG_bKGD_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_bKGD(png_structp png_ptr, png_infop info_ptr,
- png_color_16p *background)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_bKGD)
- && background != NULL)
- {
- png_debug1(1, "in %s retrieval function", "bKGD");
- *background = &(info_ptr->background);
- return (PNG_INFO_bKGD);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_cHRM_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-png_uint_32 PNGAPI
-png_get_cHRM(png_structp png_ptr, png_infop info_ptr,
- double *white_x, double *white_y, double *red_x, double *red_y,
- double *green_x, double *green_y, double *blue_x, double *blue_y)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
- {
- png_debug1(1, "in %s retrieval function", "cHRM");
- if (white_x != NULL)
- *white_x = (double)info_ptr->x_white;
- if (white_y != NULL)
- *white_y = (double)info_ptr->y_white;
- if (red_x != NULL)
- *red_x = (double)info_ptr->x_red;
- if (red_y != NULL)
- *red_y = (double)info_ptr->y_red;
- if (green_x != NULL)
- *green_x = (double)info_ptr->x_green;
- if (green_y != NULL)
- *green_y = (double)info_ptr->y_green;
- if (blue_x != NULL)
- *blue_x = (double)info_ptr->x_blue;
- if (blue_y != NULL)
- *blue_y = (double)info_ptr->y_blue;
- return (PNG_INFO_cHRM);
- }
- return (0);
-}
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
-png_uint_32 PNGAPI
-png_get_cHRM_fixed(png_structp png_ptr, png_infop info_ptr,
- png_fixed_point *white_x, png_fixed_point *white_y, png_fixed_point *red_x,
- png_fixed_point *red_y, png_fixed_point *green_x, png_fixed_point *green_y,
- png_fixed_point *blue_x, png_fixed_point *blue_y)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
- {
- png_debug1(1, "in %s retrieval function", "cHRM");
- if (white_x != NULL)
- *white_x = info_ptr->int_x_white;
- if (white_y != NULL)
- *white_y = info_ptr->int_y_white;
- if (red_x != NULL)
- *red_x = info_ptr->int_x_red;
- if (red_y != NULL)
- *red_y = info_ptr->int_y_red;
- if (green_x != NULL)
- *green_x = info_ptr->int_x_green;
- if (green_y != NULL)
- *green_y = info_ptr->int_y_green;
- if (blue_x != NULL)
- *blue_x = info_ptr->int_x_blue;
- if (blue_y != NULL)
- *blue_y = info_ptr->int_y_blue;
- return (PNG_INFO_cHRM);
- }
- return (0);
-}
-#endif
-#endif
-
-#if defined(PNG_gAMA_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-png_uint_32 PNGAPI
-png_get_gAMA(png_structp png_ptr, png_infop info_ptr, double *file_gamma)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
- && file_gamma != NULL)
- {
- png_debug1(1, "in %s retrieval function", "gAMA");
- *file_gamma = (double)info_ptr->gamma;
- return (PNG_INFO_gAMA);
- }
- return (0);
-}
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
-png_uint_32 PNGAPI
-png_get_gAMA_fixed(png_structp png_ptr, png_infop info_ptr,
- png_fixed_point *int_file_gamma)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
- && int_file_gamma != NULL)
- {
- png_debug1(1, "in %s retrieval function", "gAMA");
- *int_file_gamma = info_ptr->int_gamma;
- return (PNG_INFO_gAMA);
- }
- return (0);
-}
-#endif
-#endif
-
-#if defined(PNG_sRGB_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_sRGB(png_structp png_ptr, png_infop info_ptr, int *file_srgb_intent)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB)
- && file_srgb_intent != NULL)
- {
- png_debug1(1, "in %s retrieval function", "sRGB");
- *file_srgb_intent = (int)info_ptr->srgb_intent;
- return (PNG_INFO_sRGB);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_iCCP_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_iCCP(png_structp png_ptr, png_infop info_ptr,
- png_charpp name, int *compression_type,
- png_charpp profile, png_uint_32 *proflen)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP)
- && name != NULL && profile != NULL && proflen != NULL)
- {
- png_debug1(1, "in %s retrieval function", "iCCP");
- *name = info_ptr->iccp_name;
- *profile = info_ptr->iccp_profile;
- /* Compression_type is a dummy so the API won't have to change
- * if we introduce multiple compression types later.
- */
- *proflen = (int)info_ptr->iccp_proflen;
- *compression_type = (int)info_ptr->iccp_compression;
- return (PNG_INFO_iCCP);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_sPLT_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_sPLT(png_structp png_ptr, png_infop info_ptr,
- png_sPLT_tpp spalettes)
-{
- if (png_ptr != NULL && info_ptr != NULL && spalettes != NULL)
- {
- *spalettes = info_ptr->splt_palettes;
- return ((png_uint_32)info_ptr->splt_palettes_num);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_hIST_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p *hist)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST)
- && hist != NULL)
- {
- png_debug1(1, "in %s retrieval function", "hIST");
- *hist = info_ptr->hist;
- return (PNG_INFO_hIST);
- }
- return (0);
-}
-#endif
-
-png_uint_32 PNGAPI
-png_get_IHDR(png_structp png_ptr, png_infop info_ptr,
- png_uint_32 *width, png_uint_32 *height, int *bit_depth,
- int *color_type, int *interlace_type, int *compression_type,
- int *filter_type)
-
-{
- if (png_ptr != NULL && info_ptr != NULL && width != NULL && height != NULL &&
- bit_depth != NULL && color_type != NULL)
- {
- png_debug1(1, "in %s retrieval function", "IHDR");
- *width = info_ptr->width;
- *height = info_ptr->height;
- *bit_depth = info_ptr->bit_depth;
- if (info_ptr->bit_depth < 1 || info_ptr->bit_depth > 16)
- png_error(png_ptr, "Invalid bit depth");
-
- *color_type = info_ptr->color_type;
-
- if (info_ptr->color_type > 6)
- png_error(png_ptr, "Invalid color type");
-
- if (compression_type != NULL)
- *compression_type = info_ptr->compression_type;
-
- if (filter_type != NULL)
- *filter_type = info_ptr->filter_type;
-
- if (interlace_type != NULL)
- *interlace_type = info_ptr->interlace_type;
-
- /* Check for potential overflow of rowbytes */
- if (*width == 0 || *width > PNG_UINT_31_MAX)
- png_error(png_ptr, "Invalid image width");
-
- if (*height == 0 || *height > PNG_UINT_31_MAX)
- png_error(png_ptr, "Invalid image height");
-
- if (info_ptr->width > (PNG_UINT_32_MAX
- >> 3) /* 8-byte RGBA pixels */
- - 64 /* bigrowbuf hack */
- - 1 /* filter byte */
- - 7*8 /* rounding of width to multiple of 8 pixels */
- - 8) /* extra max_pixel_depth pad */
- {
- png_warning(png_ptr,
- "Width too large for libpng to process image data.");
- }
-
- return (1);
- }
- return (0);
-}
-
-#if defined(PNG_oFFs_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_oFFs(png_structp png_ptr, png_infop info_ptr,
- png_int_32 *offset_x, png_int_32 *offset_y, int *unit_type)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_oFFs)
- && offset_x != NULL && offset_y != NULL && unit_type != NULL)
- {
- png_debug1(1, "in %s retrieval function", "oFFs");
- *offset_x = info_ptr->x_offset;
- *offset_y = info_ptr->y_offset;
- *unit_type = (int)info_ptr->offset_unit_type;
- return (PNG_INFO_oFFs);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_pCAL_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_pCAL(png_structp png_ptr, png_infop info_ptr,
- png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams,
- png_charp *units, png_charpp *params)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_pCAL)
- && purpose != NULL && X0 != NULL && X1 != NULL && type != NULL &&
- nparams != NULL && units != NULL && params != NULL)
- {
- png_debug1(1, "in %s retrieval function", "pCAL");
- *purpose = info_ptr->pcal_purpose;
- *X0 = info_ptr->pcal_X0;
- *X1 = info_ptr->pcal_X1;
- *type = (int)info_ptr->pcal_type;
- *nparams = (int)info_ptr->pcal_nparams;
- *units = info_ptr->pcal_units;
- *params = info_ptr->pcal_params;
- return (PNG_INFO_pCAL);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_sCAL_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-png_uint_32 PNGAPI
-png_get_sCAL(png_structp png_ptr, png_infop info_ptr,
- int *unit, double *width, double *height)
-{
- if (png_ptr != NULL && info_ptr != NULL &&
- (info_ptr->valid & PNG_INFO_sCAL))
- {
- *unit = info_ptr->scal_unit;
- *width = info_ptr->scal_pixel_width;
- *height = info_ptr->scal_pixel_height;
- return (PNG_INFO_sCAL);
- }
- return(0);
-}
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
-png_uint_32 PNGAPI
-png_get_sCAL_s(png_structp png_ptr, png_infop info_ptr,
- int *unit, png_charpp width, png_charpp height)
-{
- if (png_ptr != NULL && info_ptr != NULL &&
- (info_ptr->valid & PNG_INFO_sCAL))
- {
- *unit = info_ptr->scal_unit;
- *width = info_ptr->scal_s_width;
- *height = info_ptr->scal_s_height;
- return (PNG_INFO_sCAL);
- }
- return(0);
-}
-#endif
-#endif
-#endif
-
-#if defined(PNG_pHYs_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_pHYs(png_structp png_ptr, png_infop info_ptr,
- png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)
-{
- png_uint_32 retval = 0;
-
- if (png_ptr != NULL && info_ptr != NULL &&
- (info_ptr->valid & PNG_INFO_pHYs))
- {
- png_debug1(1, "in %s retrieval function", "pHYs");
-
- if (res_x != NULL)
- {
- *res_x = info_ptr->x_pixels_per_unit;
- retval |= PNG_INFO_pHYs;
- }
-
- if (res_y != NULL)
- {
- *res_y = info_ptr->y_pixels_per_unit;
- retval |= PNG_INFO_pHYs;
- }
-
- if (unit_type != NULL)
- {
- *unit_type = (int)info_ptr->phys_unit_type;
- retval |= PNG_INFO_pHYs;
- }
- }
- return (retval);
-}
-#endif
-
-png_uint_32 PNGAPI
-png_get_PLTE(png_structp png_ptr, png_infop info_ptr, png_colorp *palette,
- int *num_palette)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_PLTE)
- && palette != NULL)
- {
- png_debug1(1, "in %s retrieval function", "PLTE");
- *palette = info_ptr->palette;
- *num_palette = info_ptr->num_palette;
- png_debug1(3, "num_palette = %d", *num_palette);
- return (PNG_INFO_PLTE);
- }
- return (0);
-}
-
-#if defined(PNG_sBIT_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_sBIT(png_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_sBIT)
- && sig_bit != NULL)
- {
- png_debug1(1, "in %s retrieval function", "sBIT");
- *sig_bit = &(info_ptr->sig_bit);
- return (PNG_INFO_sBIT);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_TEXT_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_text(png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr,
- int *num_text)
-{
- if (png_ptr != NULL && info_ptr != NULL && info_ptr->num_text > 0)
- {
- png_debug1(1, "in %s retrieval function",
- (png_ptr->chunk_name[0] == '\0' ? "text"
- : (png_const_charp)png_ptr->chunk_name));
-
- if (text_ptr != NULL)
- *text_ptr = info_ptr->text;
-
- if (num_text != NULL)
- *num_text = info_ptr->num_text;
-
- return ((png_uint_32)info_ptr->num_text);
- }
- if (num_text != NULL)
- *num_text = 0;
- return(0);
-}
-#endif
-
-#if defined(PNG_tIME_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_tIME(png_structp png_ptr, png_infop info_ptr, png_timep *mod_time)
-{
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tIME)
- && mod_time != NULL)
- {
- png_debug1(1, "in %s retrieval function", "tIME");
- *mod_time = &(info_ptr->mod_time);
- return (PNG_INFO_tIME);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_tRNS_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_tRNS(png_structp png_ptr, png_infop info_ptr,
- png_bytep *trans, int *num_trans, png_color_16p *trans_values)
-{
- png_uint_32 retval = 0;
- if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS))
- {
- png_debug1(1, "in %s retrieval function", "tRNS");
- if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- if (trans != NULL)
- {
- *trans = info_ptr->trans;
- retval |= PNG_INFO_tRNS;
- }
-
- if (trans_values != NULL)
- *trans_values = &(info_ptr->trans_values);
- }
- else /* if (info_ptr->color_type != PNG_COLOR_TYPE_PALETTE) */
- {
- if (trans_values != NULL)
- {
- *trans_values = &(info_ptr->trans_values);
- retval |= PNG_INFO_tRNS;
- }
-
- if (trans != NULL)
- *trans = NULL;
- }
- if (num_trans != NULL)
- {
- *num_trans = info_ptr->num_trans;
- retval |= PNG_INFO_tRNS;
- }
- }
- return (retval);
-}
-#endif
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
-png_uint_32 PNGAPI
-png_get_unknown_chunks(png_structp png_ptr, png_infop info_ptr,
- png_unknown_chunkpp unknowns)
-{
- if (png_ptr != NULL && info_ptr != NULL && unknowns != NULL)
- {
- *unknowns = info_ptr->unknown_chunks;
- return ((png_uint_32)info_ptr->unknown_chunks_num);
- }
- return (0);
-}
-#endif
-
-#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
-png_byte PNGAPI
-png_get_rgb_to_gray_status (png_structp png_ptr)
-{
- return (png_byte)(png_ptr? png_ptr->rgb_to_gray_status : 0);
-}
-#endif
-
-#if defined(PNG_USER_CHUNKS_SUPPORTED)
-png_voidp PNGAPI
-png_get_user_chunk_ptr(png_structp png_ptr)
-{
- return (png_ptr? png_ptr->user_chunk_ptr : NULL);
-}
-#endif
-
-#ifdef PNG_WRITE_SUPPORTED
-png_uint_32 PNGAPI
-png_get_compression_buffer_size(png_structp png_ptr)
-{
- return (png_uint_32)(png_ptr? png_ptr->zbuf_size : 0L);
-}
-#endif
-
-#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
-#ifndef PNG_1_0_X
-/* This function was added to libpng 1.2.0 and should exist by default */
-png_uint_32 PNGAPI
-png_get_asm_flags (png_structp png_ptr)
-{
- /* Obsolete, to be removed from libpng-1.4.0 */
- return (png_ptr? 0L: 0L);
-}
-
-/* This function was added to libpng 1.2.0 and should exist by default */
-png_uint_32 PNGAPI
-png_get_asm_flagmask (int flag_select)
-{
- /* Obsolete, to be removed from libpng-1.4.0 */
- flag_select=flag_select;
- return 0L;
-}
-
- /* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */
-/* This function was added to libpng 1.2.0 */
-png_uint_32 PNGAPI
-png_get_mmx_flagmask (int flag_select, int *compilerID)
-{
- /* Obsolete, to be removed from libpng-1.4.0 */
- flag_select=flag_select;
- *compilerID = -1; /* unknown (i.e., no asm/MMX code compiled) */
- return 0L;
-}
-
-/* This function was added to libpng 1.2.0 */
-png_byte PNGAPI
-png_get_mmx_bitdepth_threshold (png_structp png_ptr)
-{
- /* Obsolete, to be removed from libpng-1.4.0 */
- return (png_ptr? 0: 0);
-}
-
-/* This function was added to libpng 1.2.0 */
-png_uint_32 PNGAPI
-png_get_mmx_rowbytes_threshold (png_structp png_ptr)
-{
- /* Obsolete, to be removed from libpng-1.4.0 */
- return (png_ptr? 0L: 0L);
-}
-#endif /* ?PNG_1_0_X */
-#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
-
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
-/* These functions were added to libpng 1.2.6 */
-png_uint_32 PNGAPI
-png_get_user_width_max (png_structp png_ptr)
-{
- return (png_ptr? png_ptr->user_width_max : 0);
-}
-png_uint_32 PNGAPI
-png_get_user_height_max (png_structp png_ptr)
-{
- return (png_ptr? png_ptr->user_height_max : 0);
-}
-#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
-
-
-#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
+++ /dev/null
-
-/* pngmem.c - stub functions for memory allocation
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * This file provides a location for all memory allocation. Users who
- * need special memory handling are expected to supply replacement
- * functions for png_malloc() and png_free(), and to use
- * png_create_read_struct_2() and png_create_write_struct_2() to
- * identify the replacement functions.
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-
-/* Borland DOS special memory handler */
-#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
-/* If you change this, be sure to change the one in png.h also */
-
-/* Allocate memory for a png_struct. The malloc and memset can be replaced
- by a single call to calloc() if this is thought to improve performance. */
-png_voidp /* PRIVATE */
-png_create_struct(int type)
-{
-#ifdef PNG_USER_MEM_SUPPORTED
- return (png_create_struct_2(type, png_malloc_ptr_NULL, png_voidp_NULL));
-}
-
-/* Alternate version of png_create_struct, for use with user-defined malloc. */
-png_voidp /* PRIVATE */
-png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
-{
-#endif /* PNG_USER_MEM_SUPPORTED */
- png_size_t size;
- png_voidp struct_ptr;
-
- if (type == PNG_STRUCT_INFO)
- size = png_sizeof(png_info);
- else if (type == PNG_STRUCT_PNG)
- size = png_sizeof(png_struct);
- else
- return (png_get_copyright(NULL));
-
-#ifdef PNG_USER_MEM_SUPPORTED
- if (malloc_fn != NULL)
- {
- png_struct dummy_struct;
- png_structp png_ptr = &dummy_struct;
- png_ptr->mem_ptr=mem_ptr;
- struct_ptr = (*(malloc_fn))(png_ptr, (png_uint_32)size);
- }
- else
-#endif /* PNG_USER_MEM_SUPPORTED */
- struct_ptr = (png_voidp)farmalloc(size);
- if (struct_ptr != NULL)
- png_memset(struct_ptr, 0, size);
- return (struct_ptr);
-}
-
-/* Free memory allocated by a png_create_struct() call */
-void /* PRIVATE */
-png_destroy_struct(png_voidp struct_ptr)
-{
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2(struct_ptr, png_free_ptr_NULL, png_voidp_NULL);
-}
-
-/* Free memory allocated by a png_create_struct() call */
-void /* PRIVATE */
-png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
- png_voidp mem_ptr)
-{
-#endif
- if (struct_ptr != NULL)
- {
-#ifdef PNG_USER_MEM_SUPPORTED
- if (free_fn != NULL)
- {
- png_struct dummy_struct;
- png_structp png_ptr = &dummy_struct;
- png_ptr->mem_ptr=mem_ptr;
- (*(free_fn))(png_ptr, struct_ptr);
- return;
- }
-#endif /* PNG_USER_MEM_SUPPORTED */
- farfree (struct_ptr);
- }
-}
-
-/* Allocate memory. For reasonable files, size should never exceed
- * 64K. However, zlib may allocate more then 64K if you don't tell
- * it not to. See zconf.h and png.h for more information. zlib does
- * need to allocate exactly 64K, so whatever you call here must
- * have the ability to do that.
- *
- * Borland seems to have a problem in DOS mode for exactly 64K.
- * It gives you a segment with an offset of 8 (perhaps to store its
- * memory stuff). zlib doesn't like this at all, so we have to
- * detect and deal with it. This code should not be needed in
- * Windows or OS/2 modes, and only in 16 bit mode. This code has
- * been updated by Alexander Lehmann for version 0.89 to waste less
- * memory.
- *
- * Note that we can't use png_size_t for the "size" declaration,
- * since on some systems a png_size_t is a 16-bit quantity, and as a
- * result, we would be truncating potentially larger memory requests
- * (which should cause a fatal error) and introducing major problems.
- */
-
-png_voidp PNGAPI
-png_malloc(png_structp png_ptr, png_uint_32 size)
-{
- png_voidp ret;
-
- if (png_ptr == NULL || size == 0)
- return (NULL);
-
-#ifdef PNG_USER_MEM_SUPPORTED
- if (png_ptr->malloc_fn != NULL)
- ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size));
- else
- ret = (png_malloc_default(png_ptr, size));
- if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr, "Out of memory!");
- return (ret);
-}
-
-png_voidp PNGAPI
-png_malloc_default(png_structp png_ptr, png_uint_32 size)
-{
- png_voidp ret;
-#endif /* PNG_USER_MEM_SUPPORTED */
-
- if (png_ptr == NULL || size == 0)
- return (NULL);
-
-#ifdef PNG_MAX_MALLOC_64K
- if (size > (png_uint_32)65536L)
- {
- png_warning(png_ptr, "Cannot Allocate > 64K");
- ret = NULL;
- }
- else
-#endif
-
- if (size != (size_t)size)
- ret = NULL;
- else if (size == (png_uint_32)65536L)
- {
- if (png_ptr->offset_table == NULL)
- {
- /* Try to see if we need to do any of this fancy stuff */
- ret = farmalloc(size);
- if (ret == NULL || ((png_size_t)ret & 0xffff))
- {
- int num_blocks;
- png_uint_32 total_size;
- png_bytep table;
- int i;
- png_byte huge * hptr;
-
- if (ret != NULL)
- {
- farfree(ret);
- ret = NULL;
- }
-
- if (png_ptr->zlib_window_bits > 14)
- num_blocks = (int)(1 << (png_ptr->zlib_window_bits - 14));
- else
- num_blocks = 1;
- if (png_ptr->zlib_mem_level >= 7)
- num_blocks += (int)(1 << (png_ptr->zlib_mem_level - 7));
- else
- num_blocks++;
-
- total_size = ((png_uint_32)65536L) * (png_uint_32)num_blocks+16;
-
- table = farmalloc(total_size);
-
- if (table == NULL)
- {
-#ifndef PNG_USER_MEM_SUPPORTED
- if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr, "Out Of Memory."); /* Note "O" and "M" */
- else
- png_warning(png_ptr, "Out Of Memory.");
-#endif
- return (NULL);
- }
-
- if ((png_size_t)table & 0xfff0)
- {
-#ifndef PNG_USER_MEM_SUPPORTED
- if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr,
- "Farmalloc didn't return normalized pointer");
- else
- png_warning(png_ptr,
- "Farmalloc didn't return normalized pointer");
-#endif
- return (NULL);
- }
-
- png_ptr->offset_table = table;
- png_ptr->offset_table_ptr = farmalloc(num_blocks *
- png_sizeof(png_bytep));
-
- if (png_ptr->offset_table_ptr == NULL)
- {
-#ifndef PNG_USER_MEM_SUPPORTED
- if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr, "Out Of memory."); /* Note "O" and "M" */
- else
- png_warning(png_ptr, "Out Of memory.");
-#endif
- return (NULL);
- }
-
- hptr = (png_byte huge *)table;
- if ((png_size_t)hptr & 0xf)
- {
- hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L);
- hptr = hptr + 16L; /* "hptr += 16L" fails on Turbo C++ 3.0 */
- }
- for (i = 0; i < num_blocks; i++)
- {
- png_ptr->offset_table_ptr[i] = (png_bytep)hptr;
- hptr = hptr + (png_uint_32)65536L; /* "+=" fails on TC++3.0 */
- }
-
- png_ptr->offset_table_number = num_blocks;
- png_ptr->offset_table_count = 0;
- png_ptr->offset_table_count_free = 0;
- }
- }
-
- if (png_ptr->offset_table_count >= png_ptr->offset_table_number)
- {
-#ifndef PNG_USER_MEM_SUPPORTED
- if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr, "Out of Memory."); /* Note "o" and "M" */
- else
- png_warning(png_ptr, "Out of Memory.");
-#endif
- return (NULL);
- }
-
- ret = png_ptr->offset_table_ptr[png_ptr->offset_table_count++];
- }
- else
- ret = farmalloc(size);
-
-#ifndef PNG_USER_MEM_SUPPORTED
- if (ret == NULL)
- {
- if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr, "Out of memory."); /* Note "o" and "m" */
- else
- png_warning(png_ptr, "Out of memory."); /* Note "o" and "m" */
- }
-#endif
-
- return (ret);
-}
-
-/* Free a pointer allocated by png_malloc(). In the default
- * configuration, png_ptr is not used, but is passed in case it
- * is needed. If ptr is NULL, return without taking any action.
- */
-void PNGAPI
-png_free(png_structp png_ptr, png_voidp ptr)
-{
- if (png_ptr == NULL || ptr == NULL)
- return;
-
-#ifdef PNG_USER_MEM_SUPPORTED
- if (png_ptr->free_fn != NULL)
- {
- (*(png_ptr->free_fn))(png_ptr, ptr);
- return;
- }
- else
- png_free_default(png_ptr, ptr);
-}
-
-void PNGAPI
-png_free_default(png_structp png_ptr, png_voidp ptr)
-{
-#endif /* PNG_USER_MEM_SUPPORTED */
-
- if (png_ptr == NULL || ptr == NULL)
- return;
-
- if (png_ptr->offset_table != NULL)
- {
- int i;
-
- for (i = 0; i < png_ptr->offset_table_count; i++)
- {
- if (ptr == png_ptr->offset_table_ptr[i])
- {
- ptr = NULL;
- png_ptr->offset_table_count_free++;
- break;
- }
- }
- if (png_ptr->offset_table_count_free == png_ptr->offset_table_count)
- {
- farfree(png_ptr->offset_table);
- farfree(png_ptr->offset_table_ptr);
- png_ptr->offset_table = NULL;
- png_ptr->offset_table_ptr = NULL;
- }
- }
-
- if (ptr != NULL)
- {
- farfree(ptr);
- }
-}
-
-#else /* Not the Borland DOS special memory handler */
-
-/* Allocate memory for a png_struct or a png_info. The malloc and
- memset can be replaced by a single call to calloc() if this is thought
- to improve performance noticably. */
-png_voidp /* PRIVATE */
-png_create_struct(int type)
-{
-#ifdef PNG_USER_MEM_SUPPORTED
- return (png_create_struct_2(type, png_malloc_ptr_NULL, png_voidp_NULL));
-}
-
-/* Allocate memory for a png_struct or a png_info. The malloc and
- memset can be replaced by a single call to calloc() if this is thought
- to improve performance noticably. */
-png_voidp /* PRIVATE */
-png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
-{
-#endif /* PNG_USER_MEM_SUPPORTED */
- png_size_t size;
- png_voidp struct_ptr;
-
- if (type == PNG_STRUCT_INFO)
- size = png_sizeof(png_info);
- else if (type == PNG_STRUCT_PNG)
- size = png_sizeof(png_struct);
- else
- return (NULL);
-
-#ifdef PNG_USER_MEM_SUPPORTED
- if (malloc_fn != NULL)
- {
- png_struct dummy_struct;
- png_structp png_ptr = &dummy_struct;
- png_ptr->mem_ptr=mem_ptr;
- struct_ptr = (*(malloc_fn))(png_ptr, size);
- if (struct_ptr != NULL)
- png_memset(struct_ptr, 0, size);
- return (struct_ptr);
- }
-#endif /* PNG_USER_MEM_SUPPORTED */
-
-#if defined(__TURBOC__) && !defined(__FLAT__)
- struct_ptr = (png_voidp)farmalloc(size);
-#else
-# if defined(_MSC_VER) && defined(MAXSEG_64K)
- struct_ptr = (png_voidp)halloc(size, 1);
-# else
- struct_ptr = (png_voidp)malloc(size);
-# endif
-#endif
- if (struct_ptr != NULL)
- png_memset(struct_ptr, 0, size);
-
- return (struct_ptr);
-}
-
-
-/* Free memory allocated by a png_create_struct() call */
-void /* PRIVATE */
-png_destroy_struct(png_voidp struct_ptr)
-{
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2(struct_ptr, png_free_ptr_NULL, png_voidp_NULL);
-}
-
-/* Free memory allocated by a png_create_struct() call */
-void /* PRIVATE */
-png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
- png_voidp mem_ptr)
-{
-#endif /* PNG_USER_MEM_SUPPORTED */
- if (struct_ptr != NULL)
- {
-#ifdef PNG_USER_MEM_SUPPORTED
- if (free_fn != NULL)
- {
- png_struct dummy_struct;
- png_structp png_ptr = &dummy_struct;
- png_ptr->mem_ptr=mem_ptr;
- (*(free_fn))(png_ptr, struct_ptr);
- return;
- }
-#endif /* PNG_USER_MEM_SUPPORTED */
-#if defined(__TURBOC__) && !defined(__FLAT__)
- farfree(struct_ptr);
-#else
-# if defined(_MSC_VER) && defined(MAXSEG_64K)
- hfree(struct_ptr);
-# else
- free(struct_ptr);
-# endif
-#endif
- }
-}
-
-/* Allocate memory. For reasonable files, size should never exceed
- * 64K. However, zlib may allocate more then 64K if you don't tell
- * it not to. See zconf.h and png.h for more information. zlib does
- * need to allocate exactly 64K, so whatever you call here must
- * have the ability to do that.
- */
-
-
-png_voidp PNGAPI
-png_malloc(png_structp png_ptr, png_uint_32 size)
-{
- png_voidp ret;
-
-#ifdef PNG_USER_MEM_SUPPORTED
- if (png_ptr == NULL || size == 0)
- return (NULL);
-
- if (png_ptr->malloc_fn != NULL)
- ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size));
- else
- ret = (png_malloc_default(png_ptr, size));
- if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr, "Out of Memory!");
- return (ret);
-}
-
-png_voidp PNGAPI
-png_malloc_default(png_structp png_ptr, png_uint_32 size)
-{
- png_voidp ret;
-#endif /* PNG_USER_MEM_SUPPORTED */
-
- if (png_ptr == NULL || size == 0)
- return (NULL);
-
-#ifdef PNG_MAX_MALLOC_64K
- if (size > (png_uint_32)65536L)
- {
-#ifndef PNG_USER_MEM_SUPPORTED
- if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr, "Cannot Allocate > 64K");
- else
-#endif
- return NULL;
- }
-#endif
-
- /* Check for overflow */
-#if defined(__TURBOC__) && !defined(__FLAT__)
- if (size != (unsigned long)size)
- ret = NULL;
- else
- ret = farmalloc(size);
-#else
-# if defined(_MSC_VER) && defined(MAXSEG_64K)
- if (size != (unsigned long)size)
- ret = NULL;
- else
- ret = halloc(size, 1);
-# else
- if (size != (size_t)size)
- ret = NULL;
- else
- ret = malloc((size_t)size);
-# endif
-#endif
-
-#ifndef PNG_USER_MEM_SUPPORTED
- if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
- png_error(png_ptr, "Out of Memory");
-#endif
-
- return (ret);
-}
-
-/* Free a pointer allocated by png_malloc(). If ptr is NULL, return
- * without taking any action.
- */
-void PNGAPI
-png_free(png_structp png_ptr, png_voidp ptr)
-{
- if (png_ptr == NULL || ptr == NULL)
- return;
-
-#ifdef PNG_USER_MEM_SUPPORTED
- if (png_ptr->free_fn != NULL)
- {
- (*(png_ptr->free_fn))(png_ptr, ptr);
- return;
- }
- else
- png_free_default(png_ptr, ptr);
-}
-void PNGAPI
-png_free_default(png_structp png_ptr, png_voidp ptr)
-{
- if (png_ptr == NULL || ptr == NULL)
- return;
-
-#endif /* PNG_USER_MEM_SUPPORTED */
-
-#if defined(__TURBOC__) && !defined(__FLAT__)
- farfree(ptr);
-#else
-# if defined(_MSC_VER) && defined(MAXSEG_64K)
- hfree(ptr);
-# else
- free(ptr);
-# endif
-#endif
-}
-
-#endif /* Not Borland DOS special memory handler */
-
-#if defined(PNG_1_0_X)
-# define png_malloc_warn png_malloc
-#else
-/* This function was added at libpng version 1.2.3. The png_malloc_warn()
- * function will set up png_malloc() to issue a png_warning and return NULL
- * instead of issuing a png_error, if it fails to allocate the requested
- * memory.
- */
-png_voidp PNGAPI
-png_malloc_warn(png_structp png_ptr, png_uint_32 size)
-{
- png_voidp ptr;
- png_uint_32 save_flags;
- if (png_ptr == NULL)
- return (NULL);
-
- save_flags = png_ptr->flags;
- png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
- ptr = (png_voidp)png_malloc((png_structp)png_ptr, size);
- png_ptr->flags=save_flags;
- return(ptr);
-}
-#endif
-
-png_voidp PNGAPI
-png_memcpy_check (png_structp png_ptr, png_voidp s1, png_voidp s2,
- png_uint_32 length)
-{
- png_size_t size;
-
- size = (png_size_t)length;
- if ((png_uint_32)size != length)
- png_error(png_ptr, "Overflow in png_memcpy_check.");
-
- return(png_memcpy (s1, s2, size));
-}
-
-png_voidp PNGAPI
-png_memset_check (png_structp png_ptr, png_voidp s1, int value,
- png_uint_32 length)
-{
- png_size_t size;
-
- size = (png_size_t)length;
- if ((png_uint_32)size != length)
- png_error(png_ptr, "Overflow in png_memset_check.");
-
- return (png_memset (s1, value, size));
-
-}
-
-#ifdef PNG_USER_MEM_SUPPORTED
-/* This function is called when the application wants to use another method
- * of allocating and freeing memory.
- */
-void PNGAPI
-png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
- malloc_fn, png_free_ptr free_fn)
-{
- if (png_ptr != NULL)
- {
- png_ptr->mem_ptr = mem_ptr;
- png_ptr->malloc_fn = malloc_fn;
- png_ptr->free_fn = free_fn;
- }
-}
-
-/* This function returns a pointer to the mem_ptr associated with the user
- * functions. The application should free any memory associated with this
- * pointer before png_write_destroy and png_read_destroy are called.
- */
-png_voidp PNGAPI
-png_get_mem_ptr(png_structp png_ptr)
-{
- if (png_ptr == NULL)
- return (NULL);
- return ((png_voidp)png_ptr->mem_ptr);
-}
-#endif /* PNG_USER_MEM_SUPPORTED */
-#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
+++ /dev/null
-
-/* pngpread.c - read a png file in push mode
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-
-/* Push model modes */
-#define PNG_READ_SIG_MODE 0
-#define PNG_READ_CHUNK_MODE 1
-#define PNG_READ_IDAT_MODE 2
-#define PNG_SKIP_MODE 3
-#define PNG_READ_tEXt_MODE 4
-#define PNG_READ_zTXt_MODE 5
-#define PNG_READ_DONE_MODE 6
-#define PNG_READ_iTXt_MODE 7
-#define PNG_ERROR_MODE 8
-
-void PNGAPI
-png_process_data(png_structp png_ptr, png_infop info_ptr,
- png_bytep buffer, png_size_t buffer_size)
-{
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- png_push_restore_buffer(png_ptr, buffer, buffer_size);
-
- while (png_ptr->buffer_size)
- {
- png_process_some_data(png_ptr, info_ptr);
- }
-}
-
-/* What we do with the incoming data depends on what we were previously
- * doing before we ran out of data...
- */
-void /* PRIVATE */
-png_process_some_data(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr == NULL)
- return;
-
- switch (png_ptr->process_mode)
- {
- case PNG_READ_SIG_MODE:
- {
- png_push_read_sig(png_ptr, info_ptr);
- break;
- }
-
- case PNG_READ_CHUNK_MODE:
- {
- png_push_read_chunk(png_ptr, info_ptr);
- break;
- }
-
- case PNG_READ_IDAT_MODE:
- {
- png_push_read_IDAT(png_ptr);
- break;
- }
-
-#if defined(PNG_READ_tEXt_SUPPORTED)
- case PNG_READ_tEXt_MODE:
- {
- png_push_read_tEXt(png_ptr, info_ptr);
- break;
- }
-
-#endif
-#if defined(PNG_READ_zTXt_SUPPORTED)
- case PNG_READ_zTXt_MODE:
- {
- png_push_read_zTXt(png_ptr, info_ptr);
- break;
- }
-
-#endif
-#if defined(PNG_READ_iTXt_SUPPORTED)
- case PNG_READ_iTXt_MODE:
- {
- png_push_read_iTXt(png_ptr, info_ptr);
- break;
- }
-
-#endif
- case PNG_SKIP_MODE:
- {
- png_push_crc_finish(png_ptr);
- break;
- }
-
- default:
- {
- png_ptr->buffer_size = 0;
- break;
- }
- }
-}
-
-/* Read any remaining signature bytes from the stream and compare them with
- * the correct PNG signature. It is possible that this routine is called
- * with bytes already read from the signature, either because they have been
- * checked by the calling application, or because of multiple calls to this
- * routine.
- */
-void /* PRIVATE */
-png_push_read_sig(png_structp png_ptr, png_infop info_ptr)
-{
- png_size_t num_checked = png_ptr->sig_bytes,
- num_to_check = 8 - num_checked;
-
- if (png_ptr->buffer_size < num_to_check)
- {
- num_to_check = png_ptr->buffer_size;
- }
-
- png_push_fill_buffer(png_ptr, &(info_ptr->signature[num_checked]),
- num_to_check);
- png_ptr->sig_bytes = (png_byte)(png_ptr->sig_bytes + num_to_check);
-
- if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check))
- {
- if (num_checked < 4 &&
- png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4))
- png_error(png_ptr, "Not a PNG file");
- else
- png_error(png_ptr, "PNG file corrupted by ASCII conversion");
- }
- else
- {
- if (png_ptr->sig_bytes >= 8)
- {
- png_ptr->process_mode = PNG_READ_CHUNK_MODE;
- }
- }
-}
-
-void /* PRIVATE */
-png_push_read_chunk(png_structp png_ptr, png_infop info_ptr)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_CONST PNG_IHDR;
- PNG_CONST PNG_IDAT;
- PNG_CONST PNG_IEND;
- PNG_CONST PNG_PLTE;
-#if defined(PNG_READ_bKGD_SUPPORTED)
- PNG_CONST PNG_bKGD;
-#endif
-#if defined(PNG_READ_cHRM_SUPPORTED)
- PNG_CONST PNG_cHRM;
-#endif
-#if defined(PNG_READ_gAMA_SUPPORTED)
- PNG_CONST PNG_gAMA;
-#endif
-#if defined(PNG_READ_hIST_SUPPORTED)
- PNG_CONST PNG_hIST;
-#endif
-#if defined(PNG_READ_iCCP_SUPPORTED)
- PNG_CONST PNG_iCCP;
-#endif
-#if defined(PNG_READ_iTXt_SUPPORTED)
- PNG_CONST PNG_iTXt;
-#endif
-#if defined(PNG_READ_oFFs_SUPPORTED)
- PNG_CONST PNG_oFFs;
-#endif
-#if defined(PNG_READ_pCAL_SUPPORTED)
- PNG_CONST PNG_pCAL;
-#endif
-#if defined(PNG_READ_pHYs_SUPPORTED)
- PNG_CONST PNG_pHYs;
-#endif
-#if defined(PNG_READ_sBIT_SUPPORTED)
- PNG_CONST PNG_sBIT;
-#endif
-#if defined(PNG_READ_sCAL_SUPPORTED)
- PNG_CONST PNG_sCAL;
-#endif
-#if defined(PNG_READ_sRGB_SUPPORTED)
- PNG_CONST PNG_sRGB;
-#endif
-#if defined(PNG_READ_sPLT_SUPPORTED)
- PNG_CONST PNG_sPLT;
-#endif
-#if defined(PNG_READ_tEXt_SUPPORTED)
- PNG_CONST PNG_tEXt;
-#endif
-#if defined(PNG_READ_tIME_SUPPORTED)
- PNG_CONST PNG_tIME;
-#endif
-#if defined(PNG_READ_tRNS_SUPPORTED)
- PNG_CONST PNG_tRNS;
-#endif
-#if defined(PNG_READ_zTXt_SUPPORTED)
- PNG_CONST PNG_zTXt;
-#endif
-#endif /* PNG_USE_LOCAL_ARRAYS */
- /* First we make sure we have enough data for the 4 byte chunk name
- * and the 4 byte chunk length before proceeding with decoding the
- * chunk data. To fully decode each of these chunks, we also make
- * sure we have enough data in the buffer for the 4 byte CRC at the
- * end of every chunk (except IDAT, which is handled separately).
- */
- if (!(png_ptr->mode & PNG_HAVE_CHUNK_HEADER))
- {
- png_byte chunk_length[4];
-
- if (png_ptr->buffer_size < 8)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_push_fill_buffer(png_ptr, chunk_length, 4);
- png_ptr->push_length = png_get_uint_31(png_ptr, chunk_length);
- png_reset_crc(png_ptr);
- png_crc_read(png_ptr, png_ptr->chunk_name, 4);
- png_check_chunk_name(png_ptr, png_ptr->chunk_name);
- png_ptr->mode |= PNG_HAVE_CHUNK_HEADER;
- }
-
- if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
- if (png_ptr->mode & PNG_AFTER_IDAT)
- png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT;
-
- if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4))
- {
- if (png_ptr->push_length != 13)
- png_error(png_ptr, "Invalid IHDR length");
-
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_IHDR(png_ptr, info_ptr, png_ptr->push_length);
- }
-
- else if (!png_memcmp(png_ptr->chunk_name, png_IEND, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_IEND(png_ptr, info_ptr, png_ptr->push_length);
-
- png_ptr->process_mode = PNG_READ_DONE_MODE;
- png_push_have_end(png_ptr, info_ptr);
- }
-
-#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
- else if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
- png_ptr->mode |= PNG_HAVE_IDAT;
-
- png_handle_unknown(png_ptr, info_ptr, png_ptr->push_length);
-
- if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4))
- png_ptr->mode |= PNG_HAVE_PLTE;
-
- else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
- {
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before IDAT");
-
- else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
- !(png_ptr->mode & PNG_HAVE_PLTE))
- png_error(png_ptr, "Missing PLTE before IDAT");
- }
- }
-
-#endif
- else if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
- png_handle_PLTE(png_ptr, info_ptr, png_ptr->push_length);
- }
-
- else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
- {
- /* If we reach an IDAT chunk, this means we have read all of the
- * header chunks, and we can start reading the image (or if this
- * is called after the image has been read - we have an error).
- */
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before IDAT");
-
- else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
- !(png_ptr->mode & PNG_HAVE_PLTE))
- png_error(png_ptr, "Missing PLTE before IDAT");
-
- if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- if (!(png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT))
- if (png_ptr->push_length == 0)
- return;
-
- if (png_ptr->mode & PNG_AFTER_IDAT)
- png_error(png_ptr, "Too many IDAT's found");
- }
-
- png_ptr->idat_size = png_ptr->push_length;
- png_ptr->mode |= PNG_HAVE_IDAT;
- png_ptr->process_mode = PNG_READ_IDAT_MODE;
- png_push_have_info(png_ptr, info_ptr);
- png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
- png_ptr->zstream.next_out = png_ptr->row_buf;
- return;
- }
-
-#if defined(PNG_READ_gAMA_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_gAMA, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_gAMA(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_sBIT_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_sBIT, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_sBIT(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_cHRM_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_cHRM, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_cHRM(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_sRGB_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_sRGB, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_sRGB(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_iCCP_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_iCCP, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_iCCP(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_sPLT_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_sPLT, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_sPLT(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_tRNS_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_tRNS, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_tRNS(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_bKGD_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_bKGD, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_bKGD(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_hIST_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_hIST, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_hIST(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_pHYs_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_pHYs, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_pHYs(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_oFFs_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_oFFs, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_oFFs(png_ptr, info_ptr, png_ptr->push_length);
- }
-#endif
-
-#if defined(PNG_READ_pCAL_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_pCAL, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_pCAL(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_sCAL_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_sCAL, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_sCAL(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_tIME_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_tIME, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_handle_tIME(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_tEXt_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_tEXt, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_push_handle_tEXt(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_zTXt_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_zTXt, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_push_handle_zTXt(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
-#if defined(PNG_READ_iTXt_SUPPORTED)
- else if (!png_memcmp(png_ptr->chunk_name, png_iTXt, 4))
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_push_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length);
- }
-
-#endif
- else
- {
- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
- png_push_handle_unknown(png_ptr, info_ptr, png_ptr->push_length);
- }
-
- png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER;
-}
-
-void /* PRIVATE */
-png_push_crc_skip(png_structp png_ptr, png_uint_32 skip)
-{
- png_ptr->process_mode = PNG_SKIP_MODE;
- png_ptr->skip_length = skip;
-}
-
-void /* PRIVATE */
-png_push_crc_finish(png_structp png_ptr)
-{
- if (png_ptr->skip_length && png_ptr->save_buffer_size)
- {
- png_size_t save_size;
-
- if (png_ptr->skip_length < (png_uint_32)png_ptr->save_buffer_size)
- save_size = (png_size_t)png_ptr->skip_length;
- else
- save_size = png_ptr->save_buffer_size;
-
- png_calculate_crc(png_ptr, png_ptr->save_buffer_ptr, save_size);
-
- png_ptr->skip_length -= save_size;
- png_ptr->buffer_size -= save_size;
- png_ptr->save_buffer_size -= save_size;
- png_ptr->save_buffer_ptr += save_size;
- }
- if (png_ptr->skip_length && png_ptr->current_buffer_size)
- {
- png_size_t save_size;
-
- if (png_ptr->skip_length < (png_uint_32)png_ptr->current_buffer_size)
- save_size = (png_size_t)png_ptr->skip_length;
- else
- save_size = png_ptr->current_buffer_size;
-
- png_calculate_crc(png_ptr, png_ptr->current_buffer_ptr, save_size);
-
- png_ptr->skip_length -= save_size;
- png_ptr->buffer_size -= save_size;
- png_ptr->current_buffer_size -= save_size;
- png_ptr->current_buffer_ptr += save_size;
- }
- if (!png_ptr->skip_length)
- {
- if (png_ptr->buffer_size < 4)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_crc_finish(png_ptr, 0);
- png_ptr->process_mode = PNG_READ_CHUNK_MODE;
- }
-}
-
-void PNGAPI
-png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
-{
- png_bytep ptr;
-
- if (png_ptr == NULL)
- return;
-
- ptr = buffer;
- if (png_ptr->save_buffer_size)
- {
- png_size_t save_size;
-
- if (length < png_ptr->save_buffer_size)
- save_size = length;
- else
- save_size = png_ptr->save_buffer_size;
-
- png_memcpy(ptr, png_ptr->save_buffer_ptr, save_size);
- length -= save_size;
- ptr += save_size;
- png_ptr->buffer_size -= save_size;
- png_ptr->save_buffer_size -= save_size;
- png_ptr->save_buffer_ptr += save_size;
- }
- if (length && png_ptr->current_buffer_size)
- {
- png_size_t save_size;
-
- if (length < png_ptr->current_buffer_size)
- save_size = length;
-
- else
- save_size = png_ptr->current_buffer_size;
-
- png_memcpy(ptr, png_ptr->current_buffer_ptr, save_size);
- png_ptr->buffer_size -= save_size;
- png_ptr->current_buffer_size -= save_size;
- png_ptr->current_buffer_ptr += save_size;
- }
-}
-
-void /* PRIVATE */
-png_push_save_buffer(png_structp png_ptr)
-{
- if (png_ptr->save_buffer_size)
- {
- if (png_ptr->save_buffer_ptr != png_ptr->save_buffer)
- {
- png_size_t i, istop;
- png_bytep sp;
- png_bytep dp;
-
- istop = png_ptr->save_buffer_size;
- for (i = 0, sp = png_ptr->save_buffer_ptr, dp = png_ptr->save_buffer;
- i < istop; i++, sp++, dp++)
- {
- *dp = *sp;
- }
- }
- }
- if (png_ptr->save_buffer_size + png_ptr->current_buffer_size >
- png_ptr->save_buffer_max)
- {
- png_size_t new_max;
- png_bytep old_buffer;
-
- if (png_ptr->save_buffer_size > PNG_SIZE_MAX -
- (png_ptr->current_buffer_size + 256))
- {
- png_error(png_ptr, "Potential overflow of save_buffer");
- }
-
- new_max = png_ptr->save_buffer_size + png_ptr->current_buffer_size + 256;
- old_buffer = png_ptr->save_buffer;
- png_ptr->save_buffer = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)new_max);
- png_memcpy(png_ptr->save_buffer, old_buffer, png_ptr->save_buffer_size);
- png_free(png_ptr, old_buffer);
- png_ptr->save_buffer_max = new_max;
- }
- if (png_ptr->current_buffer_size)
- {
- png_memcpy(png_ptr->save_buffer + png_ptr->save_buffer_size,
- png_ptr->current_buffer_ptr, png_ptr->current_buffer_size);
- png_ptr->save_buffer_size += png_ptr->current_buffer_size;
- png_ptr->current_buffer_size = 0;
- }
- png_ptr->save_buffer_ptr = png_ptr->save_buffer;
- png_ptr->buffer_size = 0;
-}
-
-void /* PRIVATE */
-png_push_restore_buffer(png_structp png_ptr, png_bytep buffer,
- png_size_t buffer_length)
-{
- png_ptr->current_buffer = buffer;
- png_ptr->current_buffer_size = buffer_length;
- png_ptr->buffer_size = buffer_length + png_ptr->save_buffer_size;
- png_ptr->current_buffer_ptr = png_ptr->current_buffer;
-}
-
-void /* PRIVATE */
-png_push_read_IDAT(png_structp png_ptr)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_CONST PNG_IDAT;
-#endif
- if (!(png_ptr->mode & PNG_HAVE_CHUNK_HEADER))
- {
- png_byte chunk_length[4];
-
- if (png_ptr->buffer_size < 8)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_push_fill_buffer(png_ptr, chunk_length, 4);
- png_ptr->push_length = png_get_uint_31(png_ptr, chunk_length);
- png_reset_crc(png_ptr);
- png_crc_read(png_ptr, png_ptr->chunk_name, 4);
- png_ptr->mode |= PNG_HAVE_CHUNK_HEADER;
-
- if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
- {
- png_ptr->process_mode = PNG_READ_CHUNK_MODE;
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
- png_error(png_ptr, "Not enough compressed data");
- return;
- }
-
- png_ptr->idat_size = png_ptr->push_length;
- }
- if (png_ptr->idat_size && png_ptr->save_buffer_size)
- {
- png_size_t save_size;
-
- if (png_ptr->idat_size < (png_uint_32)png_ptr->save_buffer_size)
- {
- save_size = (png_size_t)png_ptr->idat_size;
-
- /* Check for overflow */
- if ((png_uint_32)save_size != png_ptr->idat_size)
- png_error(png_ptr, "save_size overflowed in pngpread");
- }
- else
- save_size = png_ptr->save_buffer_size;
-
- png_calculate_crc(png_ptr, png_ptr->save_buffer_ptr, save_size);
-
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
- png_process_IDAT_data(png_ptr, png_ptr->save_buffer_ptr, save_size);
-
- png_ptr->idat_size -= save_size;
- png_ptr->buffer_size -= save_size;
- png_ptr->save_buffer_size -= save_size;
- png_ptr->save_buffer_ptr += save_size;
- }
- if (png_ptr->idat_size && png_ptr->current_buffer_size)
- {
- png_size_t save_size;
-
- if (png_ptr->idat_size < (png_uint_32)png_ptr->current_buffer_size)
- {
- save_size = (png_size_t)png_ptr->idat_size;
-
- /* Check for overflow */
- if ((png_uint_32)save_size != png_ptr->idat_size)
- png_error(png_ptr, "save_size overflowed in pngpread");
- }
- else
- save_size = png_ptr->current_buffer_size;
-
- png_calculate_crc(png_ptr, png_ptr->current_buffer_ptr, save_size);
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
- png_process_IDAT_data(png_ptr, png_ptr->current_buffer_ptr, save_size);
-
- png_ptr->idat_size -= save_size;
- png_ptr->buffer_size -= save_size;
- png_ptr->current_buffer_size -= save_size;
- png_ptr->current_buffer_ptr += save_size;
- }
- if (!png_ptr->idat_size)
- {
- if (png_ptr->buffer_size < 4)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_crc_finish(png_ptr, 0);
- png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER;
- png_ptr->mode |= PNG_AFTER_IDAT;
- }
-}
-
-void /* PRIVATE */
-png_process_IDAT_data(png_structp png_ptr, png_bytep buffer,
- png_size_t buffer_length)
-{
- int ret;
-
- if ((png_ptr->flags & PNG_FLAG_ZLIB_FINISHED) && buffer_length)
- png_error(png_ptr, "Extra compression data");
-
- png_ptr->zstream.next_in = buffer;
- png_ptr->zstream.avail_in = (uInt)buffer_length;
- for (;;)
- {
- ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
- if (ret != Z_OK)
- {
- if (ret == Z_STREAM_END)
- {
- if (png_ptr->zstream.avail_in)
- png_error(png_ptr, "Extra compressed data");
-
- if (!(png_ptr->zstream.avail_out))
- {
- png_push_process_row(png_ptr);
- }
-
- png_ptr->mode |= PNG_AFTER_IDAT;
- png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
- break;
- }
- else if (ret == Z_BUF_ERROR)
- break;
-
- else
- png_error(png_ptr, "Decompression Error");
- }
- if (!(png_ptr->zstream.avail_out))
- {
- if ((
-#if defined(PNG_READ_INTERLACING_SUPPORTED)
- png_ptr->interlaced && png_ptr->pass > 6) ||
- (!png_ptr->interlaced &&
-#endif
- png_ptr->row_number == png_ptr->num_rows))
- {
- if (png_ptr->zstream.avail_in)
- png_warning(png_ptr, "Too much data in IDAT chunks");
- png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
- break;
- }
- png_push_process_row(png_ptr);
- png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
- png_ptr->zstream.next_out = png_ptr->row_buf;
- }
-
- else
- break;
- }
-}
-
-void /* PRIVATE */
-png_push_process_row(png_structp png_ptr)
-{
- png_ptr->row_info.color_type = png_ptr->color_type;
- png_ptr->row_info.width = png_ptr->iwidth;
- png_ptr->row_info.channels = png_ptr->channels;
- png_ptr->row_info.bit_depth = png_ptr->bit_depth;
- png_ptr->row_info.pixel_depth = png_ptr->pixel_depth;
-
- png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
- png_ptr->row_info.width);
-
- png_read_filter_row(png_ptr, &(png_ptr->row_info),
- png_ptr->row_buf + 1, png_ptr->prev_row + 1,
- (int)(png_ptr->row_buf[0]));
-
- png_memcpy_check(png_ptr, png_ptr->prev_row, png_ptr->row_buf,
- png_ptr->rowbytes + 1);
-
- if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA))
- png_do_read_transformations(png_ptr);
-
-#if defined(PNG_READ_INTERLACING_SUPPORTED)
- /* Blow up interlaced rows to full size */
- if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE))
- {
- if (png_ptr->pass < 6)
-/* old interface (pre-1.0.9):
- png_do_read_interlace(&(png_ptr->row_info),
- png_ptr->row_buf + 1, png_ptr->pass, png_ptr->transformations);
- */
- png_do_read_interlace(png_ptr);
-
- switch (png_ptr->pass)
- {
- case 0:
- {
- int i;
- for (i = 0; i < 8 && png_ptr->pass == 0; i++)
- {
- png_push_have_row(png_ptr, png_ptr->row_buf + 1);
- png_read_push_finish_row(png_ptr); /* Updates png_ptr->pass */
- }
-
- if (png_ptr->pass == 2) /* Pass 1 might be empty */
- {
- for (i = 0; i < 4 && png_ptr->pass == 2; i++)
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
- }
-
- if (png_ptr->pass == 4 && png_ptr->height <= 4)
- {
- for (i = 0; i < 2 && png_ptr->pass == 4; i++)
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
- }
-
- if (png_ptr->pass == 6 && png_ptr->height <= 4)
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
-
- break;
- }
-
- case 1:
- {
- int i;
- for (i = 0; i < 8 && png_ptr->pass == 1; i++)
- {
- png_push_have_row(png_ptr, png_ptr->row_buf + 1);
- png_read_push_finish_row(png_ptr);
- }
-
- if (png_ptr->pass == 2) /* Skip top 4 generated rows */
- {
- for (i = 0; i < 4 && png_ptr->pass == 2; i++)
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
- }
-
- break;
- }
-
- case 2:
- {
- int i;
-
- for (i = 0; i < 4 && png_ptr->pass == 2; i++)
- {
- png_push_have_row(png_ptr, png_ptr->row_buf + 1);
- png_read_push_finish_row(png_ptr);
- }
-
- for (i = 0; i < 4 && png_ptr->pass == 2; i++)
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
-
- if (png_ptr->pass == 4) /* Pass 3 might be empty */
- {
- for (i = 0; i < 2 && png_ptr->pass == 4; i++)
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
- }
-
- break;
- }
-
- case 3:
- {
- int i;
-
- for (i = 0; i < 4 && png_ptr->pass == 3; i++)
- {
- png_push_have_row(png_ptr, png_ptr->row_buf + 1);
- png_read_push_finish_row(png_ptr);
- }
-
- if (png_ptr->pass == 4) /* Skip top two generated rows */
- {
- for (i = 0; i < 2 && png_ptr->pass == 4; i++)
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
- }
-
- break;
- }
-
- case 4:
- {
- int i;
-
- for (i = 0; i < 2 && png_ptr->pass == 4; i++)
- {
- png_push_have_row(png_ptr, png_ptr->row_buf + 1);
- png_read_push_finish_row(png_ptr);
- }
-
- for (i = 0; i < 2 && png_ptr->pass == 4; i++)
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
-
- if (png_ptr->pass == 6) /* Pass 5 might be empty */
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
-
- break;
- }
-
- case 5:
- {
- int i;
-
- for (i = 0; i < 2 && png_ptr->pass == 5; i++)
- {
- png_push_have_row(png_ptr, png_ptr->row_buf + 1);
- png_read_push_finish_row(png_ptr);
- }
-
- if (png_ptr->pass == 6) /* Skip top generated row */
- {
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
-
- break;
- }
- case 6:
- {
- png_push_have_row(png_ptr, png_ptr->row_buf + 1);
- png_read_push_finish_row(png_ptr);
-
- if (png_ptr->pass != 6)
- break;
-
- png_push_have_row(png_ptr, png_bytep_NULL);
- png_read_push_finish_row(png_ptr);
- }
- }
- }
- else
-#endif
- {
- png_push_have_row(png_ptr, png_ptr->row_buf + 1);
- png_read_push_finish_row(png_ptr);
- }
-}
-
-void /* PRIVATE */
-png_read_push_finish_row(png_structp png_ptr)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
-
- /* Start of interlace block */
- PNG_CONST int FARDATA png_pass_start[] = {0, 4, 0, 2, 0, 1, 0};
-
- /* Offset to next interlace block */
- PNG_CONST int FARDATA png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1};
-
- /* Start of interlace block in the y direction */
- PNG_CONST int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
-
- /* Offset to next interlace block in the y direction */
- PNG_CONST int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
-
- /* Height of interlace block. This is not currently used - if you need
- * it, uncomment it here and in png.h
- PNG_CONST int FARDATA png_pass_height[] = {8, 8, 4, 4, 2, 2, 1};
- */
-#endif
-
- png_ptr->row_number++;
- if (png_ptr->row_number < png_ptr->num_rows)
- return;
-
-#if defined(PNG_READ_INTERLACING_SUPPORTED)
- if (png_ptr->interlaced)
- {
- png_ptr->row_number = 0;
- png_memset_check(png_ptr, png_ptr->prev_row, 0,
- png_ptr->rowbytes + 1);
- do
- {
- png_ptr->pass++;
- if ((png_ptr->pass == 1 && png_ptr->width < 5) ||
- (png_ptr->pass == 3 && png_ptr->width < 3) ||
- (png_ptr->pass == 5 && png_ptr->width < 2))
- png_ptr->pass++;
-
- if (png_ptr->pass > 7)
- png_ptr->pass--;
-
- if (png_ptr->pass >= 7)
- break;
-
- png_ptr->iwidth = (png_ptr->width +
- png_pass_inc[png_ptr->pass] - 1 -
- png_pass_start[png_ptr->pass]) /
- png_pass_inc[png_ptr->pass];
-
- png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,
- png_ptr->iwidth) + 1;
-
- if (png_ptr->transformations & PNG_INTERLACE)
- break;
-
- png_ptr->num_rows = (png_ptr->height +
- png_pass_yinc[png_ptr->pass] - 1 -
- png_pass_ystart[png_ptr->pass]) /
- png_pass_yinc[png_ptr->pass];
-
- } while (png_ptr->iwidth == 0 || png_ptr->num_rows == 0);
- }
-#endif /* PNG_READ_INTERLACING_SUPPORTED */
-}
-
-#if defined(PNG_READ_tEXt_SUPPORTED)
-void /* PRIVATE */
-png_push_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32
- length)
-{
- if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND))
- {
- png_error(png_ptr, "Out of place tEXt");
- info_ptr = info_ptr; /* To quiet some compiler warnings */
- }
-
-#ifdef PNG_MAX_MALLOC_64K
- png_ptr->skip_length = 0; /* This may not be necessary */
-
- if (length > (png_uint_32)65535L) /* Can't hold entire string in memory */
- {
- png_warning(png_ptr, "tEXt chunk too large to fit in memory");
- png_ptr->skip_length = length - (png_uint_32)65535L;
- length = (png_uint_32)65535L;
- }
-#endif
-
- png_ptr->current_text = (png_charp)png_malloc(png_ptr,
- (png_uint_32)(length + 1));
- png_ptr->current_text[length] = '\0';
- png_ptr->current_text_ptr = png_ptr->current_text;
- png_ptr->current_text_size = (png_size_t)length;
- png_ptr->current_text_left = (png_size_t)length;
- png_ptr->process_mode = PNG_READ_tEXt_MODE;
-}
-
-void /* PRIVATE */
-png_push_read_tEXt(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr->buffer_size && png_ptr->current_text_left)
- {
- png_size_t text_size;
-
- if (png_ptr->buffer_size < png_ptr->current_text_left)
- text_size = png_ptr->buffer_size;
-
- else
- text_size = png_ptr->current_text_left;
-
- png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size);
- png_ptr->current_text_left -= text_size;
- png_ptr->current_text_ptr += text_size;
- }
- if (!(png_ptr->current_text_left))
- {
- png_textp text_ptr;
- png_charp text;
- png_charp key;
- int ret;
-
- if (png_ptr->buffer_size < 4)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_push_crc_finish(png_ptr);
-
-#if defined(PNG_MAX_MALLOC_64K)
- if (png_ptr->skip_length)
- return;
-#endif
-
- key = png_ptr->current_text;
-
- for (text = key; *text; text++)
- /* Empty loop */ ;
-
- if (text < key + png_ptr->current_text_size)
- text++;
-
- text_ptr = (png_textp)png_malloc(png_ptr,
- (png_uint_32)png_sizeof(png_text));
- text_ptr->compression = PNG_TEXT_COMPRESSION_NONE;
- text_ptr->key = key;
-#ifdef PNG_iTXt_SUPPORTED
- text_ptr->lang = NULL;
- text_ptr->lang_key = NULL;
-#endif
- text_ptr->text = text;
-
- ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
-
- png_free(png_ptr, key);
- png_free(png_ptr, text_ptr);
- png_ptr->current_text = NULL;
-
- if (ret)
- png_warning(png_ptr, "Insufficient memory to store text chunk.");
- }
-}
-#endif
-
-#if defined(PNG_READ_zTXt_SUPPORTED)
-void /* PRIVATE */
-png_push_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32
- length)
-{
- if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND))
- {
- png_error(png_ptr, "Out of place zTXt");
- info_ptr = info_ptr; /* To quiet some compiler warnings */
- }
-
-#ifdef PNG_MAX_MALLOC_64K
- /* We can't handle zTXt chunks > 64K, since we don't have enough space
- * to be able to store the uncompressed data. Actually, the threshold
- * is probably around 32K, but it isn't as definite as 64K is.
- */
- if (length > (png_uint_32)65535L)
- {
- png_warning(png_ptr, "zTXt chunk too large to fit in memory");
- png_push_crc_skip(png_ptr, length);
- return;
- }
-#endif
-
- png_ptr->current_text = (png_charp)png_malloc(png_ptr,
- (png_uint_32)(length + 1));
- png_ptr->current_text[length] = '\0';
- png_ptr->current_text_ptr = png_ptr->current_text;
- png_ptr->current_text_size = (png_size_t)length;
- png_ptr->current_text_left = (png_size_t)length;
- png_ptr->process_mode = PNG_READ_zTXt_MODE;
-}
-
-void /* PRIVATE */
-png_push_read_zTXt(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr->buffer_size && png_ptr->current_text_left)
- {
- png_size_t text_size;
-
- if (png_ptr->buffer_size < (png_uint_32)png_ptr->current_text_left)
- text_size = png_ptr->buffer_size;
-
- else
- text_size = png_ptr->current_text_left;
-
- png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size);
- png_ptr->current_text_left -= text_size;
- png_ptr->current_text_ptr += text_size;
- }
- if (!(png_ptr->current_text_left))
- {
- png_textp text_ptr;
- png_charp text;
- png_charp key;
- int ret;
- png_size_t text_size, key_size;
-
- if (png_ptr->buffer_size < 4)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_push_crc_finish(png_ptr);
-
- key = png_ptr->current_text;
-
- for (text = key; *text; text++)
- /* Empty loop */ ;
-
- /* zTXt can't have zero text */
- if (text >= key + png_ptr->current_text_size)
- {
- png_ptr->current_text = NULL;
- png_free(png_ptr, key);
- return;
- }
-
- text++;
-
- if (*text != PNG_TEXT_COMPRESSION_zTXt) /* Check compression byte */
- {
- png_ptr->current_text = NULL;
- png_free(png_ptr, key);
- return;
- }
-
- text++;
-
- png_ptr->zstream.next_in = (png_bytep )text;
- png_ptr->zstream.avail_in = (uInt)(png_ptr->current_text_size -
- (text - key));
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
-
- key_size = text - key;
- text_size = 0;
- text = NULL;
- ret = Z_STREAM_END;
-
- while (png_ptr->zstream.avail_in)
- {
- ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
- if (ret != Z_OK && ret != Z_STREAM_END)
- {
- inflateReset(&png_ptr->zstream);
- png_ptr->zstream.avail_in = 0;
- png_ptr->current_text = NULL;
- png_free(png_ptr, key);
- png_free(png_ptr, text);
- return;
- }
- if (!(png_ptr->zstream.avail_out) || ret == Z_STREAM_END)
- {
- if (text == NULL)
- {
- text = (png_charp)png_malloc(png_ptr,
- (png_uint_32)(png_ptr->zbuf_size
- - png_ptr->zstream.avail_out + key_size + 1));
-
- png_memcpy(text + key_size, png_ptr->zbuf,
- png_ptr->zbuf_size - png_ptr->zstream.avail_out);
-
- png_memcpy(text, key, key_size);
-
- text_size = key_size + png_ptr->zbuf_size -
- png_ptr->zstream.avail_out;
-
- *(text + text_size) = '\0';
- }
- else
- {
- png_charp tmp;
-
- tmp = text;
- text = (png_charp)png_malloc(png_ptr, text_size +
- (png_uint_32)(png_ptr->zbuf_size
- - png_ptr->zstream.avail_out + 1));
-
- png_memcpy(text, tmp, text_size);
- png_free(png_ptr, tmp);
-
- png_memcpy(text + text_size, png_ptr->zbuf,
- png_ptr->zbuf_size - png_ptr->zstream.avail_out);
-
- text_size += png_ptr->zbuf_size - png_ptr->zstream.avail_out;
- *(text + text_size) = '\0';
- }
- if (ret != Z_STREAM_END)
- {
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- }
- }
- else
- {
- break;
- }
-
- if (ret == Z_STREAM_END)
- break;
- }
-
- inflateReset(&png_ptr->zstream);
- png_ptr->zstream.avail_in = 0;
-
- if (ret != Z_STREAM_END)
- {
- png_ptr->current_text = NULL;
- png_free(png_ptr, key);
- png_free(png_ptr, text);
- return;
- }
-
- png_ptr->current_text = NULL;
- png_free(png_ptr, key);
- key = text;
- text += key_size;
-
- text_ptr = (png_textp)png_malloc(png_ptr,
- (png_uint_32)png_sizeof(png_text));
- text_ptr->compression = PNG_TEXT_COMPRESSION_zTXt;
- text_ptr->key = key;
-#ifdef PNG_iTXt_SUPPORTED
- text_ptr->lang = NULL;
- text_ptr->lang_key = NULL;
-#endif
- text_ptr->text = text;
-
- ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
-
- png_free(png_ptr, key);
- png_free(png_ptr, text_ptr);
-
- if (ret)
- png_warning(png_ptr, "Insufficient memory to store text chunk.");
- }
-}
-#endif
-
-#if defined(PNG_READ_iTXt_SUPPORTED)
-void /* PRIVATE */
-png_push_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32
- length)
-{
- if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND))
- {
- png_error(png_ptr, "Out of place iTXt");
- info_ptr = info_ptr; /* To quiet some compiler warnings */
- }
-
-#ifdef PNG_MAX_MALLOC_64K
- png_ptr->skip_length = 0; /* This may not be necessary */
-
- if (length > (png_uint_32)65535L) /* Can't hold entire string in memory */
- {
- png_warning(png_ptr, "iTXt chunk too large to fit in memory");
- png_ptr->skip_length = length - (png_uint_32)65535L;
- length = (png_uint_32)65535L;
- }
-#endif
-
- png_ptr->current_text = (png_charp)png_malloc(png_ptr,
- (png_uint_32)(length + 1));
- png_ptr->current_text[length] = '\0';
- png_ptr->current_text_ptr = png_ptr->current_text;
- png_ptr->current_text_size = (png_size_t)length;
- png_ptr->current_text_left = (png_size_t)length;
- png_ptr->process_mode = PNG_READ_iTXt_MODE;
-}
-
-void /* PRIVATE */
-png_push_read_iTXt(png_structp png_ptr, png_infop info_ptr)
-{
-
- if (png_ptr->buffer_size && png_ptr->current_text_left)
- {
- png_size_t text_size;
-
- if (png_ptr->buffer_size < png_ptr->current_text_left)
- text_size = png_ptr->buffer_size;
-
- else
- text_size = png_ptr->current_text_left;
-
- png_crc_read(png_ptr, (png_bytep)png_ptr->current_text_ptr, text_size);
- png_ptr->current_text_left -= text_size;
- png_ptr->current_text_ptr += text_size;
- }
- if (!(png_ptr->current_text_left))
- {
- png_textp text_ptr;
- png_charp key;
- int comp_flag;
- png_charp lang;
- png_charp lang_key;
- png_charp text;
- int ret;
-
- if (png_ptr->buffer_size < 4)
- {
- png_push_save_buffer(png_ptr);
- return;
- }
-
- png_push_crc_finish(png_ptr);
-
-#if defined(PNG_MAX_MALLOC_64K)
- if (png_ptr->skip_length)
- return;
-#endif
-
- key = png_ptr->current_text;
-
- for (lang = key; *lang; lang++)
- /* Empty loop */ ;
-
- if (lang < key + png_ptr->current_text_size - 3)
- lang++;
-
- comp_flag = *lang++;
- lang++; /* Skip comp_type, always zero */
-
- for (lang_key = lang; *lang_key; lang_key++)
- /* Empty loop */ ;
-
- lang_key++; /* Skip NUL separator */
-
- text=lang_key;
-
- if (lang_key < key + png_ptr->current_text_size - 1)
- {
- for (; *text; text++)
- /* Empty loop */ ;
- }
-
- if (text < key + png_ptr->current_text_size)
- text++;
-
- text_ptr = (png_textp)png_malloc(png_ptr,
- (png_uint_32)png_sizeof(png_text));
-
- text_ptr->compression = comp_flag + 2;
- text_ptr->key = key;
- text_ptr->lang = lang;
- text_ptr->lang_key = lang_key;
- text_ptr->text = text;
- text_ptr->text_length = 0;
- text_ptr->itxt_length = png_strlen(text);
-
- ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
-
- png_ptr->current_text = NULL;
-
- png_free(png_ptr, text_ptr);
- if (ret)
- png_warning(png_ptr, "Insufficient memory to store iTXt chunk.");
- }
-}
-#endif
-
-/* This function is called when we haven't found a handler for this
- * chunk. If there isn't a problem with the chunk itself (ie a bad chunk
- * name or a critical chunk), the chunk is (currently) silently ignored.
- */
-void /* PRIVATE */
-png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
- length)
-{
- png_uint_32 skip = 0;
-
- if (!(png_ptr->chunk_name[0] & 0x20))
- {
-#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
- if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) !=
- PNG_HANDLE_CHUNK_ALWAYS
-#if defined(PNG_READ_USER_CHUNKS_SUPPORTED)
- && png_ptr->read_user_chunk_fn == NULL
-#endif
- )
-#endif
- png_chunk_error(png_ptr, "unknown critical chunk");
-
- info_ptr = info_ptr; /* To quiet some compiler warnings */
- }
-
-#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
- if (png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS)
- {
-#ifdef PNG_MAX_MALLOC_64K
- if (length > (png_uint_32)65535L)
- {
- png_warning(png_ptr, "unknown chunk too large to fit in memory");
- skip = length - (png_uint_32)65535L;
- length = (png_uint_32)65535L;
- }
-#endif
- png_memcpy((png_charp)png_ptr->unknown_chunk.name,
- (png_charp)png_ptr->chunk_name,
- png_sizeof(png_ptr->unknown_chunk.name));
- png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name) - 1]
- = '\0';
-
- png_ptr->unknown_chunk.size = (png_size_t)length;
-
- if (length == 0)
- png_ptr->unknown_chunk.data = NULL;
-
- else
- {
- png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)length);
- png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length);
- }
-
-#if defined(PNG_READ_USER_CHUNKS_SUPPORTED)
- if (png_ptr->read_user_chunk_fn != NULL)
- {
- /* Callback to user unknown chunk handler */
- int ret;
- ret = (*(png_ptr->read_user_chunk_fn))
- (png_ptr, &png_ptr->unknown_chunk);
-
- if (ret < 0)
- png_chunk_error(png_ptr, "error in user chunk");
-
- if (ret == 0)
- {
- if (!(png_ptr->chunk_name[0] & 0x20))
- if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) !=
- PNG_HANDLE_CHUNK_ALWAYS)
- png_chunk_error(png_ptr, "unknown critical chunk");
- png_set_unknown_chunks(png_ptr, info_ptr,
- &png_ptr->unknown_chunk, 1);
- }
- }
-
- else
-#endif
- png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1);
- png_free(png_ptr, png_ptr->unknown_chunk.data);
- png_ptr->unknown_chunk.data = NULL;
- }
-
- else
-#endif
- skip=length;
- png_push_crc_skip(png_ptr, skip);
-}
-
-void /* PRIVATE */
-png_push_have_info(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr->info_fn != NULL)
- (*(png_ptr->info_fn))(png_ptr, info_ptr);
-}
-
-void /* PRIVATE */
-png_push_have_end(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr->end_fn != NULL)
- (*(png_ptr->end_fn))(png_ptr, info_ptr);
-}
-
-void /* PRIVATE */
-png_push_have_row(png_structp png_ptr, png_bytep row)
-{
- if (png_ptr->row_fn != NULL)
- (*(png_ptr->row_fn))(png_ptr, row, png_ptr->row_number,
- (int)png_ptr->pass);
-}
-
-void PNGAPI
-png_progressive_combine_row (png_structp png_ptr,
- png_bytep old_row, png_bytep new_row)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_CONST int FARDATA png_pass_dsp_mask[7] =
- {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff};
-#endif
- if (png_ptr == NULL)
- return;
-
- if (new_row != NULL) /* new_row must == png_ptr->row_buf here. */
- png_combine_row(png_ptr, old_row, png_pass_dsp_mask[png_ptr->pass]);
-}
-
-void PNGAPI
-png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr,
- png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
- png_progressive_end_ptr end_fn)
-{
- if (png_ptr == NULL)
- return;
-
- png_ptr->info_fn = info_fn;
- png_ptr->row_fn = row_fn;
- png_ptr->end_fn = end_fn;
-
- png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer);
-}
-
-png_voidp PNGAPI
-png_get_progressive_ptr(png_structp png_ptr)
-{
- if (png_ptr == NULL)
- return (NULL);
-
- return png_ptr->io_ptr;
-}
-#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
+++ /dev/null
-
-/* pngread.c - read a PNG file
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * This file contains routines that an application calls directly to
- * read a PNG file or stream.
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED)
-
-/* Create a PNG structure for reading, and allocate any memory needed. */
-png_structp PNGAPI
-png_create_read_struct(png_const_charp user_png_ver, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warn_fn)
-{
-
-#ifdef PNG_USER_MEM_SUPPORTED
- return (png_create_read_struct_2(user_png_ver, error_ptr, error_fn,
- warn_fn, png_voidp_NULL, png_malloc_ptr_NULL, png_free_ptr_NULL));
-}
-
-/* Alternate create PNG structure for reading, and allocate any memory needed. */
-png_structp PNGAPI
-png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr,
- png_malloc_ptr malloc_fn, png_free_ptr free_fn)
-{
-#endif /* PNG_USER_MEM_SUPPORTED */
-
-#ifdef PNG_SETJMP_SUPPORTED
- volatile
-#endif
- png_structp png_ptr;
-
-#ifdef PNG_SETJMP_SUPPORTED
-#ifdef USE_FAR_KEYWORD
- jmp_buf jmpbuf;
-#endif
-#endif
-
- int i;
-
- png_debug(1, "in png_create_read_struct");
-#ifdef PNG_USER_MEM_SUPPORTED
- png_ptr = (png_structp)png_create_struct_2(PNG_STRUCT_PNG,
- (png_malloc_ptr)malloc_fn, (png_voidp)mem_ptr);
-#else
- png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG);
-#endif
- if (png_ptr == NULL)
- return (NULL);
-
- /* Added at libpng-1.2.6 */
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
- png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
- png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
-#ifdef USE_FAR_KEYWORD
- if (setjmp(jmpbuf))
-#else
- if (setjmp(png_ptr->jmpbuf))
-#endif
- {
- png_free(png_ptr, png_ptr->zbuf);
- png_ptr->zbuf = NULL;
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2((png_voidp)png_ptr,
- (png_free_ptr)free_fn, (png_voidp)mem_ptr);
-#else
- png_destroy_struct((png_voidp)png_ptr);
-#endif
- return (NULL);
- }
-#ifdef USE_FAR_KEYWORD
- png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf));
-#endif
-#endif
-
-#ifdef PNG_USER_MEM_SUPPORTED
- png_set_mem_fn(png_ptr, mem_ptr, malloc_fn, free_fn);
-#endif
-
- png_set_error_fn(png_ptr, error_ptr, error_fn, warn_fn);
-
- if (user_png_ver)
- {
- i = 0;
- do
- {
- if (user_png_ver[i] != png_libpng_ver[i])
- png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
- } while (png_libpng_ver[i++]);
- }
- else
- png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
-
-
- if (png_ptr->flags & PNG_FLAG_LIBRARY_MISMATCH)
- {
- /* Libpng 0.90 and later are binary incompatible with libpng 0.89, so
- * we must recompile any applications that use any older library version.
- * For versions after libpng 1.0, we will be compatible, so we need
- * only check the first digit.
- */
- if (user_png_ver == NULL || user_png_ver[0] != png_libpng_ver[0] ||
- (user_png_ver[0] == '1' && user_png_ver[2] != png_libpng_ver[2]) ||
- (user_png_ver[0] == '0' && user_png_ver[2] < '9'))
- {
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- char msg[80];
- if (user_png_ver)
- {
- png_snprintf(msg, 80,
- "Application was compiled with png.h from libpng-%.20s",
- user_png_ver);
- png_warning(png_ptr, msg);
- }
- png_snprintf(msg, 80,
- "Application is running with png.c from libpng-%.20s",
- png_libpng_ver);
- png_warning(png_ptr, msg);
-#endif
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- png_ptr->flags = 0;
-#endif
- png_error(png_ptr,
- "Incompatible libpng version in application and library");
- }
- }
-
- /* Initialize zbuf - compression buffer */
- png_ptr->zbuf_size = PNG_ZBUF_SIZE;
- png_ptr->zbuf = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)png_ptr->zbuf_size);
- png_ptr->zstream.zalloc = png_zalloc;
- png_ptr->zstream.zfree = png_zfree;
- png_ptr->zstream.opaque = (voidpf)png_ptr;
-
- switch (inflateInit(&png_ptr->zstream))
- {
- case Z_OK: /* Do nothing */ break;
- case Z_MEM_ERROR:
- case Z_STREAM_ERROR: png_error(png_ptr, "zlib memory error"); break;
- case Z_VERSION_ERROR: png_error(png_ptr, "zlib version error"); break;
- default: png_error(png_ptr, "Unknown zlib error");
- }
-
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
-
- png_set_read_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL);
-
-#ifdef PNG_SETJMP_SUPPORTED
-/* Applications that neglect to set up their own setjmp() and then encounter
- a png_error() will longjmp here. Since the jmpbuf is then meaningless we
- abort instead of returning. */
-#ifdef USE_FAR_KEYWORD
- if (setjmp(jmpbuf))
- PNG_ABORT();
- png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf));
-#else
- if (setjmp(png_ptr->jmpbuf))
- PNG_ABORT();
-#endif
-#endif
- return (png_ptr);
-}
-
-#if defined(PNG_1_0_X) || defined(PNG_1_2_X)
-/* Initialize PNG structure for reading, and allocate any memory needed.
- This interface is deprecated in favour of the png_create_read_struct(),
- and it will disappear as of libpng-1.3.0. */
-#undef png_read_init
-void PNGAPI
-png_read_init(png_structp png_ptr)
-{
- /* We only come here via pre-1.0.7-compiled applications */
- png_read_init_2(png_ptr, "1.0.6 or earlier", 0, 0);
-}
-
-void PNGAPI
-png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver,
- png_size_t png_struct_size, png_size_t png_info_size)
-{
- /* We only come here via pre-1.0.12-compiled applications */
- if (png_ptr == NULL)
- return;
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- if (png_sizeof(png_struct) > png_struct_size ||
- png_sizeof(png_info) > png_info_size)
- {
- char msg[80];
- png_ptr->warning_fn = NULL;
- if (user_png_ver)
- {
- png_snprintf(msg, 80,
- "Application was compiled with png.h from libpng-%.20s",
- user_png_ver);
- png_warning(png_ptr, msg);
- }
- png_snprintf(msg, 80,
- "Application is running with png.c from libpng-%.20s",
- png_libpng_ver);
- png_warning(png_ptr, msg);
- }
-#endif
- if (png_sizeof(png_struct) > png_struct_size)
- {
- png_ptr->error_fn = NULL;
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- png_ptr->flags = 0;
-#endif
- png_error(png_ptr,
- "The png struct allocated by the application for reading is too small.");
- }
- if (png_sizeof(png_info) > png_info_size)
- {
- png_ptr->error_fn = NULL;
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- png_ptr->flags = 0;
-#endif
- png_error(png_ptr,
- "The info struct allocated by application for reading is too small.");
- }
- png_read_init_3(&png_ptr, user_png_ver, png_struct_size);
-}
-#endif /* PNG_1_0_X || PNG_1_2_X */
-
-void PNGAPI
-png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
- png_size_t png_struct_size)
-{
-#ifdef PNG_SETJMP_SUPPORTED
- jmp_buf tmp_jmp; /* to save current jump buffer */
-#endif
-
- int i = 0;
-
- png_structp png_ptr=*ptr_ptr;
-
- if (png_ptr == NULL)
- return;
-
- do
- {
- if (user_png_ver[i] != png_libpng_ver[i])
- {
-#ifdef PNG_LEGACY_SUPPORTED
- png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
-#else
- png_ptr->warning_fn = NULL;
- png_warning(png_ptr,
- "Application uses deprecated png_read_init() and should be recompiled.");
- break;
-#endif
- }
- } while (png_libpng_ver[i++]);
-
- png_debug(1, "in png_read_init_3");
-
-#ifdef PNG_SETJMP_SUPPORTED
- /* Save jump buffer and error functions */
- png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf));
-#endif
-
- if (png_sizeof(png_struct) > png_struct_size)
- {
- png_destroy_struct(png_ptr);
- *ptr_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG);
- png_ptr = *ptr_ptr;
- }
-
- /* Reset all variables to 0 */
- png_memset(png_ptr, 0, png_sizeof(png_struct));
-
-#ifdef PNG_SETJMP_SUPPORTED
- /* Restore jump buffer */
- png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf));
-#endif
-
- /* Added at libpng-1.2.6 */
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
- png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
- png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
-#endif
-
- /* Initialize zbuf - compression buffer */
- png_ptr->zbuf_size = PNG_ZBUF_SIZE;
- png_ptr->zbuf = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)png_ptr->zbuf_size);
- png_ptr->zstream.zalloc = png_zalloc;
- png_ptr->zstream.zfree = png_zfree;
- png_ptr->zstream.opaque = (voidpf)png_ptr;
-
- switch (inflateInit(&png_ptr->zstream))
- {
- case Z_OK: /* Do nothing */ break;
- case Z_MEM_ERROR:
- case Z_STREAM_ERROR: png_error(png_ptr, "zlib memory"); break;
- case Z_VERSION_ERROR: png_error(png_ptr, "zlib version"); break;
- default: png_error(png_ptr, "Unknown zlib error");
- }
-
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
-
- png_set_read_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL);
-}
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* Read the information before the actual image data. This has been
- * changed in v0.90 to allow reading a file that already has the magic
- * bytes read from the stream. You can tell libpng how many bytes have
- * been read from the beginning of the stream (up to the maximum of 8)
- * via png_set_sig_bytes(), and we will only check the remaining bytes
- * here. The application can then have access to the signature bytes we
- * read if it is determined that this isn't a valid PNG file.
- */
-void PNGAPI
-png_read_info(png_structp png_ptr, png_infop info_ptr)
-{
- if (png_ptr == NULL || info_ptr == NULL)
- return;
- png_debug(1, "in png_read_info");
- /* If we haven't checked all of the PNG signature bytes, do so now. */
- if (png_ptr->sig_bytes < 8)
- {
- png_size_t num_checked = png_ptr->sig_bytes,
- num_to_check = 8 - num_checked;
-
- png_read_data(png_ptr, &(info_ptr->signature[num_checked]), num_to_check);
- png_ptr->sig_bytes = 8;
-
- if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check))
- {
- if (num_checked < 4 &&
- png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4))
- png_error(png_ptr, "Not a PNG file");
- else
- png_error(png_ptr, "PNG file corrupted by ASCII conversion");
- }
- if (num_checked < 3)
- png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE;
- }
-
- for (;;)
- {
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_CONST PNG_IHDR;
- PNG_CONST PNG_IDAT;
- PNG_CONST PNG_IEND;
- PNG_CONST PNG_PLTE;
-#if defined(PNG_READ_bKGD_SUPPORTED)
- PNG_CONST PNG_bKGD;
-#endif
-#if defined(PNG_READ_cHRM_SUPPORTED)
- PNG_CONST PNG_cHRM;
-#endif
-#if defined(PNG_READ_gAMA_SUPPORTED)
- PNG_CONST PNG_gAMA;
-#endif
-#if defined(PNG_READ_hIST_SUPPORTED)
- PNG_CONST PNG_hIST;
-#endif
-#if defined(PNG_READ_iCCP_SUPPORTED)
- PNG_CONST PNG_iCCP;
-#endif
-#if defined(PNG_READ_iTXt_SUPPORTED)
- PNG_CONST PNG_iTXt;
-#endif
-#if defined(PNG_READ_oFFs_SUPPORTED)
- PNG_CONST PNG_oFFs;
-#endif
-#if defined(PNG_READ_pCAL_SUPPORTED)
- PNG_CONST PNG_pCAL;
-#endif
-#if defined(PNG_READ_pHYs_SUPPORTED)
- PNG_CONST PNG_pHYs;
-#endif
-#if defined(PNG_READ_sBIT_SUPPORTED)
- PNG_CONST PNG_sBIT;
-#endif
-#if defined(PNG_READ_sCAL_SUPPORTED)
- PNG_CONST PNG_sCAL;
-#endif
-#if defined(PNG_READ_sPLT_SUPPORTED)
- PNG_CONST PNG_sPLT;
-#endif
-#if defined(PNG_READ_sRGB_SUPPORTED)
- PNG_CONST PNG_sRGB;
-#endif
-#if defined(PNG_READ_tEXt_SUPPORTED)
- PNG_CONST PNG_tEXt;
-#endif
-#if defined(PNG_READ_tIME_SUPPORTED)
- PNG_CONST PNG_tIME;
-#endif
-#if defined(PNG_READ_tRNS_SUPPORTED)
- PNG_CONST PNG_tRNS;
-#endif
-#if defined(PNG_READ_zTXt_SUPPORTED)
- PNG_CONST PNG_zTXt;
-#endif
-#endif /* PNG_USE_LOCAL_ARRAYS */
- png_uint_32 length = png_read_chunk_header(png_ptr);
- PNG_CONST png_bytep chunk_name = png_ptr->chunk_name;
-
- /* This should be a binary subdivision search or a hash for
- * matching the chunk name rather than a linear search.
- */
- if (!png_memcmp(chunk_name, png_IDAT, 4))
- if (png_ptr->mode & PNG_AFTER_IDAT)
- png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT;
-
- if (!png_memcmp(chunk_name, png_IHDR, 4))
- png_handle_IHDR(png_ptr, info_ptr, length);
- else if (!png_memcmp(chunk_name, png_IEND, 4))
- png_handle_IEND(png_ptr, info_ptr, length);
-#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
- else if (png_handle_as_unknown(png_ptr, chunk_name))
- {
- if (!png_memcmp(chunk_name, png_IDAT, 4))
- png_ptr->mode |= PNG_HAVE_IDAT;
- png_handle_unknown(png_ptr, info_ptr, length);
- if (!png_memcmp(chunk_name, png_PLTE, 4))
- png_ptr->mode |= PNG_HAVE_PLTE;
- else if (!png_memcmp(chunk_name, png_IDAT, 4))
- {
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before IDAT");
- else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
- !(png_ptr->mode & PNG_HAVE_PLTE))
- png_error(png_ptr, "Missing PLTE before IDAT");
- break;
- }
- }
-#endif
- else if (!png_memcmp(chunk_name, png_PLTE, 4))
- png_handle_PLTE(png_ptr, info_ptr, length);
- else if (!png_memcmp(chunk_name, png_IDAT, 4))
- {
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before IDAT");
- else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
- !(png_ptr->mode & PNG_HAVE_PLTE))
- png_error(png_ptr, "Missing PLTE before IDAT");
-
- png_ptr->idat_size = length;
- png_ptr->mode |= PNG_HAVE_IDAT;
- break;
- }
-#if defined(PNG_READ_bKGD_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_bKGD, 4))
- png_handle_bKGD(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_cHRM_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_cHRM, 4))
- png_handle_cHRM(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_gAMA_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_gAMA, 4))
- png_handle_gAMA(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_hIST_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_hIST, 4))
- png_handle_hIST(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_oFFs_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_oFFs, 4))
- png_handle_oFFs(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_pCAL_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_pCAL, 4))
- png_handle_pCAL(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_sCAL_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_sCAL, 4))
- png_handle_sCAL(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_pHYs_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_pHYs, 4))
- png_handle_pHYs(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_sBIT_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_sBIT, 4))
- png_handle_sBIT(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_sRGB_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_sRGB, 4))
- png_handle_sRGB(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_iCCP_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_iCCP, 4))
- png_handle_iCCP(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_sPLT_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_sPLT, 4))
- png_handle_sPLT(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_tEXt_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_tEXt, 4))
- png_handle_tEXt(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_tIME_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_tIME, 4))
- png_handle_tIME(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_tRNS_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_tRNS, 4))
- png_handle_tRNS(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_zTXt_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_zTXt, 4))
- png_handle_zTXt(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_iTXt_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_iTXt, 4))
- png_handle_iTXt(png_ptr, info_ptr, length);
-#endif
- else
- png_handle_unknown(png_ptr, info_ptr, length);
- }
-}
-#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */
-
-/* Optional call to update the users info_ptr structure */
-void PNGAPI
-png_read_update_info(png_structp png_ptr, png_infop info_ptr)
-{
- png_debug(1, "in png_read_update_info");
- if (png_ptr == NULL)
- return;
- if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
- png_read_start_row(png_ptr);
- else
- png_warning(png_ptr,
- "Ignoring extra png_read_update_info() call; row buffer not reallocated");
- png_read_transform_info(png_ptr, info_ptr);
-}
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* Initialize palette, background, etc, after transformations
- * are set, but before any reading takes place. This allows
- * the user to obtain a gamma-corrected palette, for example.
- * If the user doesn't call this, we will do it ourselves.
- */
-void PNGAPI
-png_start_read_image(png_structp png_ptr)
-{
- png_debug(1, "in png_start_read_image");
- if (png_ptr == NULL)
- return;
- if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
- png_read_start_row(png_ptr);
-}
-#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-void PNGAPI
-png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_CONST PNG_IDAT;
- PNG_CONST int png_pass_dsp_mask[7] = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55,
- 0xff};
- PNG_CONST int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff};
-#endif
- int ret;
- if (png_ptr == NULL)
- return;
- png_debug2(1, "in png_read_row (row %lu, pass %d)",
- png_ptr->row_number, png_ptr->pass);
- if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
- png_read_start_row(png_ptr);
- if (png_ptr->row_number == 0 && png_ptr->pass == 0)
- {
- /* Check for transforms that have been set but were defined out */
-#if defined(PNG_WRITE_INVERT_SUPPORTED) && !defined(PNG_READ_INVERT_SUPPORTED)
- if (png_ptr->transformations & PNG_INVERT_MONO)
- png_warning(png_ptr, "PNG_READ_INVERT_SUPPORTED is not defined.");
-#endif
-#if defined(PNG_WRITE_FILLER_SUPPORTED) && !defined(PNG_READ_FILLER_SUPPORTED)
- if (png_ptr->transformations & PNG_FILLER)
- png_warning(png_ptr, "PNG_READ_FILLER_SUPPORTED is not defined.");
-#endif
-#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) && !defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_PACKSWAP)
- png_warning(png_ptr, "PNG_READ_PACKSWAP_SUPPORTED is not defined.");
-#endif
-#if defined(PNG_WRITE_PACK_SUPPORTED) && !defined(PNG_READ_PACK_SUPPORTED)
- if (png_ptr->transformations & PNG_PACK)
- png_warning(png_ptr, "PNG_READ_PACK_SUPPORTED is not defined.");
-#endif
-#if defined(PNG_WRITE_SHIFT_SUPPORTED) && !defined(PNG_READ_SHIFT_SUPPORTED)
- if (png_ptr->transformations & PNG_SHIFT)
- png_warning(png_ptr, "PNG_READ_SHIFT_SUPPORTED is not defined.");
-#endif
-#if defined(PNG_WRITE_BGR_SUPPORTED) && !defined(PNG_READ_BGR_SUPPORTED)
- if (png_ptr->transformations & PNG_BGR)
- png_warning(png_ptr, "PNG_READ_BGR_SUPPORTED is not defined.");
-#endif
-#if defined(PNG_WRITE_SWAP_SUPPORTED) && !defined(PNG_READ_SWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_SWAP_BYTES)
- png_warning(png_ptr, "PNG_READ_SWAP_SUPPORTED is not defined.");
-#endif
- }
-
-#if defined(PNG_READ_INTERLACING_SUPPORTED)
- /* If interlaced and we do not need a new row, combine row and return */
- if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE))
- {
- switch (png_ptr->pass)
- {
- case 0:
- if (png_ptr->row_number & 0x07)
- {
- if (dsp_row != NULL)
- png_combine_row(png_ptr, dsp_row,
- png_pass_dsp_mask[png_ptr->pass]);
- png_read_finish_row(png_ptr);
- return;
- }
- break;
- case 1:
- if ((png_ptr->row_number & 0x07) || png_ptr->width < 5)
- {
- if (dsp_row != NULL)
- png_combine_row(png_ptr, dsp_row,
- png_pass_dsp_mask[png_ptr->pass]);
- png_read_finish_row(png_ptr);
- return;
- }
- break;
- case 2:
- if ((png_ptr->row_number & 0x07) != 4)
- {
- if (dsp_row != NULL && (png_ptr->row_number & 4))
- png_combine_row(png_ptr, dsp_row,
- png_pass_dsp_mask[png_ptr->pass]);
- png_read_finish_row(png_ptr);
- return;
- }
- break;
- case 3:
- if ((png_ptr->row_number & 3) || png_ptr->width < 3)
- {
- if (dsp_row != NULL)
- png_combine_row(png_ptr, dsp_row,
- png_pass_dsp_mask[png_ptr->pass]);
- png_read_finish_row(png_ptr);
- return;
- }
- break;
- case 4:
- if ((png_ptr->row_number & 3) != 2)
- {
- if (dsp_row != NULL && (png_ptr->row_number & 2))
- png_combine_row(png_ptr, dsp_row,
- png_pass_dsp_mask[png_ptr->pass]);
- png_read_finish_row(png_ptr);
- return;
- }
- break;
- case 5:
- if ((png_ptr->row_number & 1) || png_ptr->width < 2)
- {
- if (dsp_row != NULL)
- png_combine_row(png_ptr, dsp_row,
- png_pass_dsp_mask[png_ptr->pass]);
- png_read_finish_row(png_ptr);
- return;
- }
- break;
- case 6:
- if (!(png_ptr->row_number & 1))
- {
- png_read_finish_row(png_ptr);
- return;
- }
- break;
- }
- }
-#endif
-
- if (!(png_ptr->mode & PNG_HAVE_IDAT))
- png_error(png_ptr, "Invalid attempt to read row data");
-
- png_ptr->zstream.next_out = png_ptr->row_buf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
- do
- {
- if (!(png_ptr->zstream.avail_in))
- {
- while (!png_ptr->idat_size)
- {
- png_crc_finish(png_ptr, 0);
-
- png_ptr->idat_size = png_read_chunk_header(png_ptr);
- if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
- png_error(png_ptr, "Not enough image data");
- }
- png_ptr->zstream.avail_in = (uInt)png_ptr->zbuf_size;
- png_ptr->zstream.next_in = png_ptr->zbuf;
- if (png_ptr->zbuf_size > png_ptr->idat_size)
- png_ptr->zstream.avail_in = (uInt)png_ptr->idat_size;
- png_crc_read(png_ptr, png_ptr->zbuf,
- (png_size_t)png_ptr->zstream.avail_in);
- png_ptr->idat_size -= png_ptr->zstream.avail_in;
- }
- ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
- if (ret == Z_STREAM_END)
- {
- if (png_ptr->zstream.avail_out || png_ptr->zstream.avail_in ||
- png_ptr->idat_size)
- png_error(png_ptr, "Extra compressed data");
- png_ptr->mode |= PNG_AFTER_IDAT;
- png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
- break;
- }
- if (ret != Z_OK)
- png_error(png_ptr, png_ptr->zstream.msg ? png_ptr->zstream.msg :
- "Decompression error");
-
- } while (png_ptr->zstream.avail_out);
-
- png_ptr->row_info.color_type = png_ptr->color_type;
- png_ptr->row_info.width = png_ptr->iwidth;
- png_ptr->row_info.channels = png_ptr->channels;
- png_ptr->row_info.bit_depth = png_ptr->bit_depth;
- png_ptr->row_info.pixel_depth = png_ptr->pixel_depth;
- png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
- png_ptr->row_info.width);
-
- if (png_ptr->row_buf[0])
- png_read_filter_row(png_ptr, &(png_ptr->row_info),
- png_ptr->row_buf + 1, png_ptr->prev_row + 1,
- (int)(png_ptr->row_buf[0]));
-
- png_memcpy_check(png_ptr, png_ptr->prev_row, png_ptr->row_buf,
- png_ptr->rowbytes + 1);
-
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
- (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING))
- {
- /* Intrapixel differencing */
- png_do_read_intrapixel(&(png_ptr->row_info), png_ptr->row_buf + 1);
- }
-#endif
-
-
- if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA))
- png_do_read_transformations(png_ptr);
-
-#if defined(PNG_READ_INTERLACING_SUPPORTED)
- /* Blow up interlaced rows to full size */
- if (png_ptr->interlaced &&
- (png_ptr->transformations & PNG_INTERLACE))
- {
- if (png_ptr->pass < 6)
- /* Old interface (pre-1.0.9):
- * png_do_read_interlace(&(png_ptr->row_info),
- * png_ptr->row_buf + 1, png_ptr->pass, png_ptr->transformations);
- */
- png_do_read_interlace(png_ptr);
-
- if (dsp_row != NULL)
- png_combine_row(png_ptr, dsp_row,
- png_pass_dsp_mask[png_ptr->pass]);
- if (row != NULL)
- png_combine_row(png_ptr, row,
- png_pass_mask[png_ptr->pass]);
- }
- else
-#endif
- {
- if (row != NULL)
- png_combine_row(png_ptr, row, 0xff);
- if (dsp_row != NULL)
- png_combine_row(png_ptr, dsp_row, 0xff);
- }
- png_read_finish_row(png_ptr);
-
- if (png_ptr->read_row_fn != NULL)
- (*(png_ptr->read_row_fn))(png_ptr, png_ptr->row_number, png_ptr->pass);
-}
-#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* Read one or more rows of image data. If the image is interlaced,
- * and png_set_interlace_handling() has been called, the rows need to
- * contain the contents of the rows from the previous pass. If the
- * image has alpha or transparency, and png_handle_alpha()[*] has been
- * called, the rows contents must be initialized to the contents of the
- * screen.
- *
- * "row" holds the actual image, and pixels are placed in it
- * as they arrive. If the image is displayed after each pass, it will
- * appear to "sparkle" in. "display_row" can be used to display a
- * "chunky" progressive image, with finer detail added as it becomes
- * available. If you do not want this "chunky" display, you may pass
- * NULL for display_row. If you do not want the sparkle display, and
- * you have not called png_handle_alpha(), you may pass NULL for rows.
- * If you have called png_handle_alpha(), and the image has either an
- * alpha channel or a transparency chunk, you must provide a buffer for
- * rows. In this case, you do not have to provide a display_row buffer
- * also, but you may. If the image is not interlaced, or if you have
- * not called png_set_interlace_handling(), the display_row buffer will
- * be ignored, so pass NULL to it.
- *
- * [*] png_handle_alpha() does not exist yet, as of this version of libpng
- */
-
-void PNGAPI
-png_read_rows(png_structp png_ptr, png_bytepp row,
- png_bytepp display_row, png_uint_32 num_rows)
-{
- png_uint_32 i;
- png_bytepp rp;
- png_bytepp dp;
-
- png_debug(1, "in png_read_rows");
- if (png_ptr == NULL)
- return;
- rp = row;
- dp = display_row;
- if (rp != NULL && dp != NULL)
- for (i = 0; i < num_rows; i++)
- {
- png_bytep rptr = *rp++;
- png_bytep dptr = *dp++;
-
- png_read_row(png_ptr, rptr, dptr);
- }
- else if (rp != NULL)
- for (i = 0; i < num_rows; i++)
- {
- png_bytep rptr = *rp;
- png_read_row(png_ptr, rptr, png_bytep_NULL);
- rp++;
- }
- else if (dp != NULL)
- for (i = 0; i < num_rows; i++)
- {
- png_bytep dptr = *dp;
- png_read_row(png_ptr, png_bytep_NULL, dptr);
- dp++;
- }
-}
-#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* Read the entire image. If the image has an alpha channel or a tRNS
- * chunk, and you have called png_handle_alpha()[*], you will need to
- * initialize the image to the current image that PNG will be overlaying.
- * We set the num_rows again here, in case it was incorrectly set in
- * png_read_start_row() by a call to png_read_update_info() or
- * png_start_read_image() if png_set_interlace_handling() wasn't called
- * prior to either of these functions like it should have been. You can
- * only call this function once. If you desire to have an image for
- * each pass of a interlaced image, use png_read_rows() instead.
- *
- * [*] png_handle_alpha() does not exist yet, as of this version of libpng
- */
-void PNGAPI
-png_read_image(png_structp png_ptr, png_bytepp image)
-{
- png_uint_32 i, image_height;
- int pass, j;
- png_bytepp rp;
-
- png_debug(1, "in png_read_image");
- if (png_ptr == NULL)
- return;
-
-#ifdef PNG_READ_INTERLACING_SUPPORTED
- pass = png_set_interlace_handling(png_ptr);
-#else
- if (png_ptr->interlaced)
- png_error(png_ptr,
- "Cannot read interlaced image -- interlace handler disabled.");
- pass = 1;
-#endif
-
-
- image_height=png_ptr->height;
- png_ptr->num_rows = image_height; /* Make sure this is set correctly */
-
- for (j = 0; j < pass; j++)
- {
- rp = image;
- for (i = 0; i < image_height; i++)
- {
- png_read_row(png_ptr, *rp, png_bytep_NULL);
- rp++;
- }
- }
-}
-#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-/* Read the end of the PNG file. Will not read past the end of the
- * file, will verify the end is accurate, and will read any comments
- * or time information at the end of the file, if info is not NULL.
- */
-void PNGAPI
-png_read_end(png_structp png_ptr, png_infop info_ptr)
-{
- png_debug(1, "in png_read_end");
- if (png_ptr == NULL)
- return;
- png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */
-
- do
- {
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_CONST PNG_IHDR;
- PNG_CONST PNG_IDAT;
- PNG_CONST PNG_IEND;
- PNG_CONST PNG_PLTE;
-#if defined(PNG_READ_bKGD_SUPPORTED)
- PNG_CONST PNG_bKGD;
-#endif
-#if defined(PNG_READ_cHRM_SUPPORTED)
- PNG_CONST PNG_cHRM;
-#endif
-#if defined(PNG_READ_gAMA_SUPPORTED)
- PNG_CONST PNG_gAMA;
-#endif
-#if defined(PNG_READ_hIST_SUPPORTED)
- PNG_CONST PNG_hIST;
-#endif
-#if defined(PNG_READ_iCCP_SUPPORTED)
- PNG_CONST PNG_iCCP;
-#endif
-#if defined(PNG_READ_iTXt_SUPPORTED)
- PNG_CONST PNG_iTXt;
-#endif
-#if defined(PNG_READ_oFFs_SUPPORTED)
- PNG_CONST PNG_oFFs;
-#endif
-#if defined(PNG_READ_pCAL_SUPPORTED)
- PNG_CONST PNG_pCAL;
-#endif
-#if defined(PNG_READ_pHYs_SUPPORTED)
- PNG_CONST PNG_pHYs;
-#endif
-#if defined(PNG_READ_sBIT_SUPPORTED)
- PNG_CONST PNG_sBIT;
-#endif
-#if defined(PNG_READ_sCAL_SUPPORTED)
- PNG_CONST PNG_sCAL;
-#endif
-#if defined(PNG_READ_sPLT_SUPPORTED)
- PNG_CONST PNG_sPLT;
-#endif
-#if defined(PNG_READ_sRGB_SUPPORTED)
- PNG_CONST PNG_sRGB;
-#endif
-#if defined(PNG_READ_tEXt_SUPPORTED)
- PNG_CONST PNG_tEXt;
-#endif
-#if defined(PNG_READ_tIME_SUPPORTED)
- PNG_CONST PNG_tIME;
-#endif
-#if defined(PNG_READ_tRNS_SUPPORTED)
- PNG_CONST PNG_tRNS;
-#endif
-#if defined(PNG_READ_zTXt_SUPPORTED)
- PNG_CONST PNG_zTXt;
-#endif
-#endif /* PNG_USE_LOCAL_ARRAYS */
- png_uint_32 length = png_read_chunk_header(png_ptr);
- PNG_CONST png_bytep chunk_name = png_ptr->chunk_name;
-
- if (!png_memcmp(chunk_name, png_IHDR, 4))
- png_handle_IHDR(png_ptr, info_ptr, length);
- else if (!png_memcmp(chunk_name, png_IEND, 4))
- png_handle_IEND(png_ptr, info_ptr, length);
-#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
- else if (png_handle_as_unknown(png_ptr, chunk_name))
- {
- if (!png_memcmp(chunk_name, png_IDAT, 4))
- {
- if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT))
- png_error(png_ptr, "Too many IDAT's found");
- }
- png_handle_unknown(png_ptr, info_ptr, length);
- if (!png_memcmp(chunk_name, png_PLTE, 4))
- png_ptr->mode |= PNG_HAVE_PLTE;
- }
-#endif
- else if (!png_memcmp(chunk_name, png_IDAT, 4))
- {
- /* Zero length IDATs are legal after the last IDAT has been
- * read, but not after other chunks have been read.
- */
- if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT))
- png_error(png_ptr, "Too many IDAT's found");
- png_crc_finish(png_ptr, length);
- }
- else if (!png_memcmp(chunk_name, png_PLTE, 4))
- png_handle_PLTE(png_ptr, info_ptr, length);
-#if defined(PNG_READ_bKGD_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_bKGD, 4))
- png_handle_bKGD(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_cHRM_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_cHRM, 4))
- png_handle_cHRM(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_gAMA_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_gAMA, 4))
- png_handle_gAMA(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_hIST_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_hIST, 4))
- png_handle_hIST(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_oFFs_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_oFFs, 4))
- png_handle_oFFs(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_pCAL_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_pCAL, 4))
- png_handle_pCAL(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_sCAL_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_sCAL, 4))
- png_handle_sCAL(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_pHYs_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_pHYs, 4))
- png_handle_pHYs(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_sBIT_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_sBIT, 4))
- png_handle_sBIT(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_sRGB_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_sRGB, 4))
- png_handle_sRGB(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_iCCP_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_iCCP, 4))
- png_handle_iCCP(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_sPLT_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_sPLT, 4))
- png_handle_sPLT(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_tEXt_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_tEXt, 4))
- png_handle_tEXt(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_tIME_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_tIME, 4))
- png_handle_tIME(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_tRNS_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_tRNS, 4))
- png_handle_tRNS(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_zTXt_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_zTXt, 4))
- png_handle_zTXt(png_ptr, info_ptr, length);
-#endif
-#if defined(PNG_READ_iTXt_SUPPORTED)
- else if (!png_memcmp(chunk_name, png_iTXt, 4))
- png_handle_iTXt(png_ptr, info_ptr, length);
-#endif
- else
- png_handle_unknown(png_ptr, info_ptr, length);
- } while (!(png_ptr->mode & PNG_HAVE_IEND));
-}
-#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */
-
-/* Free all memory used by the read */
-void PNGAPI
-png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr,
- png_infopp end_info_ptr_ptr)
-{
- png_structp png_ptr = NULL;
- png_infop info_ptr = NULL, end_info_ptr = NULL;
-#ifdef PNG_USER_MEM_SUPPORTED
- png_free_ptr free_fn = NULL;
- png_voidp mem_ptr = NULL;
-#endif
-
- png_debug(1, "in png_destroy_read_struct");
- if (png_ptr_ptr != NULL)
- png_ptr = *png_ptr_ptr;
- if (png_ptr == NULL)
- return;
-
-#ifdef PNG_USER_MEM_SUPPORTED
- free_fn = png_ptr->free_fn;
- mem_ptr = png_ptr->mem_ptr;
-#endif
-
- if (info_ptr_ptr != NULL)
- info_ptr = *info_ptr_ptr;
-
- if (end_info_ptr_ptr != NULL)
- end_info_ptr = *end_info_ptr_ptr;
-
- png_read_destroy(png_ptr, info_ptr, end_info_ptr);
-
- if (info_ptr != NULL)
- {
-#if defined(PNG_TEXT_SUPPORTED)
- png_free_data(png_ptr, info_ptr, PNG_FREE_TEXT, -1);
-#endif
-
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2((png_voidp)info_ptr, (png_free_ptr)free_fn,
- (png_voidp)mem_ptr);
-#else
- png_destroy_struct((png_voidp)info_ptr);
-#endif
- *info_ptr_ptr = NULL;
- }
-
- if (end_info_ptr != NULL)
- {
-#if defined(PNG_READ_TEXT_SUPPORTED)
- png_free_data(png_ptr, end_info_ptr, PNG_FREE_TEXT, -1);
-#endif
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2((png_voidp)end_info_ptr, (png_free_ptr)free_fn,
- (png_voidp)mem_ptr);
-#else
- png_destroy_struct((png_voidp)end_info_ptr);
-#endif
- *end_info_ptr_ptr = NULL;
- }
-
- if (png_ptr != NULL)
- {
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2((png_voidp)png_ptr, (png_free_ptr)free_fn,
- (png_voidp)mem_ptr);
-#else
- png_destroy_struct((png_voidp)png_ptr);
-#endif
- *png_ptr_ptr = NULL;
- }
-}
-
-/* Free all memory used by the read (old method) */
-void /* PRIVATE */
-png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr)
-{
-#ifdef PNG_SETJMP_SUPPORTED
- jmp_buf tmp_jmp;
-#endif
- png_error_ptr error_fn;
- png_error_ptr warning_fn;
- png_voidp error_ptr;
-#ifdef PNG_USER_MEM_SUPPORTED
- png_free_ptr free_fn;
-#endif
-
- png_debug(1, "in png_read_destroy");
- if (info_ptr != NULL)
- png_info_destroy(png_ptr, info_ptr);
-
- if (end_info_ptr != NULL)
- png_info_destroy(png_ptr, end_info_ptr);
-
- png_free(png_ptr, png_ptr->zbuf);
- png_free(png_ptr, png_ptr->big_row_buf);
- png_free(png_ptr, png_ptr->prev_row);
- png_free(png_ptr, png_ptr->chunkdata);
-#if defined(PNG_READ_DITHER_SUPPORTED)
- png_free(png_ptr, png_ptr->palette_lookup);
- png_free(png_ptr, png_ptr->dither_index);
-#endif
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- png_free(png_ptr, png_ptr->gamma_table);
-#endif
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- png_free(png_ptr, png_ptr->gamma_from_1);
- png_free(png_ptr, png_ptr->gamma_to_1);
-#endif
-#ifdef PNG_FREE_ME_SUPPORTED
- if (png_ptr->free_me & PNG_FREE_PLTE)
- png_zfree(png_ptr, png_ptr->palette);
- png_ptr->free_me &= ~PNG_FREE_PLTE;
-#else
- if (png_ptr->flags & PNG_FLAG_FREE_PLTE)
- png_zfree(png_ptr, png_ptr->palette);
- png_ptr->flags &= ~PNG_FLAG_FREE_PLTE;
-#endif
-#if defined(PNG_tRNS_SUPPORTED) || \
- defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
-#ifdef PNG_FREE_ME_SUPPORTED
- if (png_ptr->free_me & PNG_FREE_TRNS)
- png_free(png_ptr, png_ptr->trans);
- png_ptr->free_me &= ~PNG_FREE_TRNS;
-#else
- if (png_ptr->flags & PNG_FLAG_FREE_TRNS)
- png_free(png_ptr, png_ptr->trans);
- png_ptr->flags &= ~PNG_FLAG_FREE_TRNS;
-#endif
-#endif
-#if defined(PNG_READ_hIST_SUPPORTED)
-#ifdef PNG_FREE_ME_SUPPORTED
- if (png_ptr->free_me & PNG_FREE_HIST)
- png_free(png_ptr, png_ptr->hist);
- png_ptr->free_me &= ~PNG_FREE_HIST;
-#else
- if (png_ptr->flags & PNG_FLAG_FREE_HIST)
- png_free(png_ptr, png_ptr->hist);
- png_ptr->flags &= ~PNG_FLAG_FREE_HIST;
-#endif
-#endif
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (png_ptr->gamma_16_table != NULL)
- {
- int i;
- int istop = (1 << (8 - png_ptr->gamma_shift));
- for (i = 0; i < istop; i++)
- {
- png_free(png_ptr, png_ptr->gamma_16_table[i]);
- }
- png_free(png_ptr, png_ptr->gamma_16_table);
- }
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr->gamma_16_from_1 != NULL)
- {
- int i;
- int istop = (1 << (8 - png_ptr->gamma_shift));
- for (i = 0; i < istop; i++)
- {
- png_free(png_ptr, png_ptr->gamma_16_from_1[i]);
- }
- png_free(png_ptr, png_ptr->gamma_16_from_1);
- }
- if (png_ptr->gamma_16_to_1 != NULL)
- {
- int i;
- int istop = (1 << (8 - png_ptr->gamma_shift));
- for (i = 0; i < istop; i++)
- {
- png_free(png_ptr, png_ptr->gamma_16_to_1[i]);
- }
- png_free(png_ptr, png_ptr->gamma_16_to_1);
- }
-#endif
-#endif
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
- png_free(png_ptr, png_ptr->time_buffer);
-#endif
-
- inflateEnd(&png_ptr->zstream);
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
- png_free(png_ptr, png_ptr->save_buffer);
-#endif
-
-#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-#ifdef PNG_TEXT_SUPPORTED
- png_free(png_ptr, png_ptr->current_text);
-#endif /* PNG_TEXT_SUPPORTED */
-#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
-
- /* Save the important info out of the png_struct, in case it is
- * being used again.
- */
-#ifdef PNG_SETJMP_SUPPORTED
- png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf));
-#endif
-
- error_fn = png_ptr->error_fn;
- warning_fn = png_ptr->warning_fn;
- error_ptr = png_ptr->error_ptr;
-#ifdef PNG_USER_MEM_SUPPORTED
- free_fn = png_ptr->free_fn;
-#endif
-
- png_memset(png_ptr, 0, png_sizeof(png_struct));
-
- png_ptr->error_fn = error_fn;
- png_ptr->warning_fn = warning_fn;
- png_ptr->error_ptr = error_ptr;
-#ifdef PNG_USER_MEM_SUPPORTED
- png_ptr->free_fn = free_fn;
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
- png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf));
-#endif
-
-}
-
-void PNGAPI
-png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn)
-{
- if (png_ptr == NULL)
- return;
- png_ptr->read_row_fn = read_row_fn;
-}
-
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-#if defined(PNG_INFO_IMAGE_SUPPORTED)
-void PNGAPI
-png_read_png(png_structp png_ptr, png_infop info_ptr,
- int transforms,
- voidp params)
-{
- int row;
-
- if (png_ptr == NULL)
- return;
-#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
- /* Invert the alpha channel from opacity to transparency
- */
- if (transforms & PNG_TRANSFORM_INVERT_ALPHA)
- png_set_invert_alpha(png_ptr);
-#endif
-
- /* png_read_info() gives us all of the information from the
- * PNG file before the first IDAT (image data chunk).
- */
- png_read_info(png_ptr, info_ptr);
- if (info_ptr->height > PNG_UINT_32_MAX/png_sizeof(png_bytep))
- png_error(png_ptr, "Image is too high to process with png_read_png()");
-
- /* -------------- image transformations start here ------------------- */
-
-#if defined(PNG_READ_16_TO_8_SUPPORTED)
- /* Tell libpng to strip 16 bit/color files down to 8 bits per color.
- */
- if (transforms & PNG_TRANSFORM_STRIP_16)
- png_set_strip_16(png_ptr);
-#endif
-
-#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
- /* Strip alpha bytes from the input data without combining with
- * the background (not recommended).
- */
- if (transforms & PNG_TRANSFORM_STRIP_ALPHA)
- png_set_strip_alpha(png_ptr);
-#endif
-
-#if defined(PNG_READ_PACK_SUPPORTED) && !defined(PNG_READ_EXPAND_SUPPORTED)
- /* Extract multiple pixels with bit depths of 1, 2, or 4 from a single
- * byte into separate bytes (useful for paletted and grayscale images).
- */
- if (transforms & PNG_TRANSFORM_PACKING)
- png_set_packing(png_ptr);
-#endif
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)
- /* Change the order of packed pixels to least significant bit first
- * (not useful if you are using png_set_packing).
- */
- if (transforms & PNG_TRANSFORM_PACKSWAP)
- png_set_packswap(png_ptr);
-#endif
-
-#if defined(PNG_READ_EXPAND_SUPPORTED)
- /* Expand paletted colors into true RGB triplets
- * Expand grayscale images to full 8 bits from 1, 2, or 4 bits/pixel
- * Expand paletted or RGB images with transparency to full alpha
- * channels so the data will be available as RGBA quartets.
- */
- if (transforms & PNG_TRANSFORM_EXPAND)
- if ((png_ptr->bit_depth < 8) ||
- (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ||
- (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)))
- png_set_expand(png_ptr);
-#endif
-
- /* We don't handle background color or gamma transformation or dithering.
- */
-
-#if defined(PNG_READ_INVERT_SUPPORTED)
- /* Invert monochrome files to have 0 as white and 1 as black
- */
- if (transforms & PNG_TRANSFORM_INVERT_MONO)
- png_set_invert_mono(png_ptr);
-#endif
-
-#if defined(PNG_READ_SHIFT_SUPPORTED)
- /* If you want to shift the pixel values from the range [0,255] or
- * [0,65535] to the original [0,7] or [0,31], or whatever range the
- * colors were originally in:
- */
- if ((transforms & PNG_TRANSFORM_SHIFT)
- && png_get_valid(png_ptr, info_ptr, PNG_INFO_sBIT))
- {
- png_color_8p sig_bit;
-
- png_get_sBIT(png_ptr, info_ptr, &sig_bit);
- png_set_shift(png_ptr, sig_bit);
- }
-#endif
-
-#if defined(PNG_READ_BGR_SUPPORTED)
- /* Flip the RGB pixels to BGR (or RGBA to BGRA)
- */
- if (transforms & PNG_TRANSFORM_BGR)
- png_set_bgr(png_ptr);
-#endif
-
-#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED)
- /* Swap the RGBA or GA data to ARGB or AG (or BGRA to ABGR)
- */
- if (transforms & PNG_TRANSFORM_SWAP_ALPHA)
- png_set_swap_alpha(png_ptr);
-#endif
-
-#if defined(PNG_READ_SWAP_SUPPORTED)
- /* Swap bytes of 16 bit files to least significant byte first
- */
- if (transforms & PNG_TRANSFORM_SWAP_ENDIAN)
- png_set_swap(png_ptr);
-#endif
-
- /* We don't handle adding filler bytes */
-
- /* Optional call to gamma correct and add the background to the palette
- * and update info structure. REQUIRED if you are expecting libpng to
- * update the palette for you (i.e., you selected such a transform above).
- */
- png_read_update_info(png_ptr, info_ptr);
-
- /* -------------- image transformations end here ------------------- */
-
-#ifdef PNG_FREE_ME_SUPPORTED
- png_free_data(png_ptr, info_ptr, PNG_FREE_ROWS, 0);
-#endif
- if (info_ptr->row_pointers == NULL)
- {
- info_ptr->row_pointers = (png_bytepp)png_malloc(png_ptr,
- info_ptr->height * png_sizeof(png_bytep));
- png_memset(info_ptr->row_pointers, 0, info_ptr->height
- * png_sizeof(png_bytep));
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_ROWS;
-#endif
- for (row = 0; row < (int)info_ptr->height; row++)
- info_ptr->row_pointers[row] = (png_bytep)png_malloc(png_ptr,
- png_get_rowbytes(png_ptr, info_ptr));
- }
-
- png_read_image(png_ptr, info_ptr->row_pointers);
- info_ptr->valid |= PNG_INFO_IDAT;
-
- /* Read rest of file, and get additional chunks in info_ptr - REQUIRED */
- png_read_end(png_ptr, info_ptr);
-
- transforms = transforms; /* Quiet compiler warnings */
- params = params;
-
-}
-#endif /* PNG_INFO_IMAGE_SUPPORTED */
-#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */
-#endif /* PNG_READ_SUPPORTED */
+++ /dev/null
-
-/* pngrio.c - functions for data input
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * This file provides a location for all input. Users who need
- * special handling are expected to write a function that has the same
- * arguments as this and performs a similar function, but that possibly
- * has a different input method. Note that you shouldn't change this
- * function, but rather write a replacement function and then make
- * libpng use it at run time with png_set_read_fn(...).
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED)
-
-/* Read the data from whatever input you are using. The default routine
- * reads from a file pointer. Note that this routine sometimes gets called
- * with very small lengths, so you should implement some kind of simple
- * buffering if you are using unbuffered reads. This should never be asked
- * to read more then 64K on a 16 bit machine.
- */
-void /* PRIVATE */
-png_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_debug1(4, "reading %d bytes", (int)length);
- if (png_ptr->read_data_fn != NULL)
- (*(png_ptr->read_data_fn))(png_ptr, data, length);
- else
- png_error(png_ptr, "Call to NULL read function");
-}
-
-#if !defined(PNG_NO_STDIO)
-/* This is the function that does the actual reading of data. If you are
- * not reading from a standard C stream, you should create a replacement
- * read_data function and use it at run time with png_set_read_fn(), rather
- * than changing the library.
- */
-#ifndef USE_FAR_KEYWORD
-void PNGAPI
-png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_size_t check;
-
- if (png_ptr == NULL)
- return;
- /* fread() returns 0 on error, so it is OK to store this in a png_size_t
- * instead of an int, which is what fread() actually returns.
- */
-#if defined(_WIN32_WCE)
- if ( !ReadFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
- check = 0;
-#else
- check = (png_size_t)fread(data, (png_size_t)1, length,
- (png_FILE_p)png_ptr->io_ptr);
-#endif
-
- if (check != length)
- png_error(png_ptr, "Read Error");
-}
-#else
-/* This is the model-independent version. Since the standard I/O library
- can't handle far buffers in the medium and small models, we have to copy
- the data.
-*/
-
-#define NEAR_BUF_SIZE 1024
-#define MIN(a,b) (a <= b ? a : b)
-
-static void PNGAPI
-png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- int check;
- png_byte *n_data;
- png_FILE_p io_ptr;
-
- if (png_ptr == NULL)
- return;
- /* Check if data really is near. If so, use usual code. */
- n_data = (png_byte *)CVT_PTR_NOCHECK(data);
- io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
- if ((png_bytep)n_data == data)
- {
-#if defined(_WIN32_WCE)
- if ( !ReadFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
- check = 0;
-#else
- check = fread(n_data, 1, length, io_ptr);
-#endif
- }
- else
- {
- png_byte buf[NEAR_BUF_SIZE];
- png_size_t read, remaining, err;
- check = 0;
- remaining = length;
- do
- {
- read = MIN(NEAR_BUF_SIZE, remaining);
-#if defined(_WIN32_WCE)
- if ( !ReadFile((HANDLE)(io_ptr), buf, read, &err, NULL) )
- err = 0;
-#else
- err = fread(buf, (png_size_t)1, read, io_ptr);
-#endif
- png_memcpy(data, buf, read); /* copy far buffer to near buffer */
- if (err != read)
- break;
- else
- check += err;
- data += read;
- remaining -= read;
- }
- while (remaining != 0);
- }
- if ((png_uint_32)check != (png_uint_32)length)
- png_error(png_ptr, "read Error");
-}
-#endif
-#endif
-
-/* This function allows the application to supply a new input function
- * for libpng if standard C streams aren't being used.
- *
- * This function takes as its arguments:
- * png_ptr - pointer to a png input data structure
- * io_ptr - pointer to user supplied structure containing info about
- * the input functions. May be NULL.
- * read_data_fn - pointer to a new input function that takes as its
- * arguments a pointer to a png_struct, a pointer to
- * a location where input data can be stored, and a 32-bit
- * unsigned int that is the number of bytes to be read.
- * To exit and output any fatal error messages the new write
- * function should call png_error(png_ptr, "Error msg").
- * May be NULL, in which case libpng's default function will
- * be used.
- */
-void PNGAPI
-png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
- png_rw_ptr read_data_fn)
-{
- if (png_ptr == NULL)
- return;
- png_ptr->io_ptr = io_ptr;
-
-#if !defined(PNG_NO_STDIO)
- if (read_data_fn != NULL)
- png_ptr->read_data_fn = read_data_fn;
- else
- png_ptr->read_data_fn = png_default_read_data;
-#else
- png_ptr->read_data_fn = read_data_fn;
-#endif
-
- /* It is an error to write to a read device */
- if (png_ptr->write_data_fn != NULL)
- {
- png_ptr->write_data_fn = NULL;
- png_warning(png_ptr,
- "It's an error to set both read_data_fn and write_data_fn in the ");
- png_warning(png_ptr,
- "same structure. Resetting write_data_fn to NULL.");
- }
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
- png_ptr->output_flush_fn = NULL;
-#endif
-}
-#endif /* PNG_READ_SUPPORTED */
+++ /dev/null
-
-/* pngrtran.c - transforms the data in a row for PNG readers
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * This file contains functions optionally called by an application
- * in order to tell libpng how to handle data when reading a PNG.
- * Transformations that are used in both reading and writing are
- * in pngtrans.c.
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED)
-
-/* Set the action on getting a CRC error for an ancillary or critical chunk. */
-void PNGAPI
-png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action)
-{
- png_debug(1, "in png_set_crc_action");
- /* Tell libpng how we react to CRC errors in critical chunks */
- if (png_ptr == NULL)
- return;
- switch (crit_action)
- {
- case PNG_CRC_NO_CHANGE: /* Leave setting as is */
- break;
-
- case PNG_CRC_WARN_USE: /* Warn/use data */
- png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK;
- png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE;
- break;
-
- case PNG_CRC_QUIET_USE: /* Quiet/use data */
- png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK;
- png_ptr->flags |= PNG_FLAG_CRC_CRITICAL_USE |
- PNG_FLAG_CRC_CRITICAL_IGNORE;
- break;
-
- case PNG_CRC_WARN_DISCARD: /* Not a valid action for critical data */
- png_warning(png_ptr,
- "Can't discard critical data on CRC error.");
- case PNG_CRC_ERROR_QUIT: /* Error/quit */
-
- case PNG_CRC_DEFAULT:
- default:
- png_ptr->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK;
- break;
- }
-
- switch (ancil_action)
- {
- case PNG_CRC_NO_CHANGE: /* Leave setting as is */
- break;
-
- case PNG_CRC_WARN_USE: /* Warn/use data */
- png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK;
- png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_USE;
- break;
-
- case PNG_CRC_QUIET_USE: /* Quiet/use data */
- png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK;
- png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_USE |
- PNG_FLAG_CRC_ANCILLARY_NOWARN;
- break;
-
- case PNG_CRC_ERROR_QUIT: /* Error/quit */
- png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK;
- png_ptr->flags |= PNG_FLAG_CRC_ANCILLARY_NOWARN;
- break;
-
- case PNG_CRC_WARN_DISCARD: /* Warn/discard data */
-
- case PNG_CRC_DEFAULT:
- default:
- png_ptr->flags &= ~PNG_FLAG_CRC_ANCILLARY_MASK;
- break;
- }
-}
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED) && \
- defined(PNG_FLOATING_POINT_SUPPORTED)
-/* Handle alpha and tRNS via a background color */
-void PNGAPI
-png_set_background(png_structp png_ptr,
- png_color_16p background_color, int background_gamma_code,
- int need_expand, double background_gamma)
-{
- png_debug(1, "in png_set_background");
- if (png_ptr == NULL)
- return;
- if (background_gamma_code == PNG_BACKGROUND_GAMMA_UNKNOWN)
- {
- png_warning(png_ptr, "Application must supply a known background gamma");
- return;
- }
-
- png_ptr->transformations |= PNG_BACKGROUND;
- png_memcpy(&(png_ptr->background), background_color,
- png_sizeof(png_color_16));
- png_ptr->background_gamma = (float)background_gamma;
- png_ptr->background_gamma_type = (png_byte)(background_gamma_code);
- png_ptr->transformations |= (need_expand ? PNG_BACKGROUND_EXPAND : 0);
-}
-#endif
-
-#if defined(PNG_READ_16_TO_8_SUPPORTED)
-/* Strip 16 bit depth files to 8 bit depth */
-void PNGAPI
-png_set_strip_16(png_structp png_ptr)
-{
- png_debug(1, "in png_set_strip_16");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_16_TO_8;
-}
-#endif
-
-#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
-void PNGAPI
-png_set_strip_alpha(png_structp png_ptr)
-{
- png_debug(1, "in png_set_strip_alpha");
- if (png_ptr == NULL)
- return;
- png_ptr->flags |= PNG_FLAG_STRIP_ALPHA;
-}
-#endif
-
-#if defined(PNG_READ_DITHER_SUPPORTED)
-/* Dither file to 8 bit. Supply a palette, the current number
- * of elements in the palette, the maximum number of elements
- * allowed, and a histogram if possible. If the current number
- * of colors is greater then the maximum number, the palette will be
- * modified to fit in the maximum number. "full_dither" indicates
- * whether we need a dithering cube set up for RGB images, or if we
- * simply are reducing the number of colors in a paletted image.
- */
-
-typedef struct png_dsort_struct
-{
- struct png_dsort_struct FAR * next;
- png_byte left;
- png_byte right;
-} png_dsort;
-typedef png_dsort FAR * png_dsortp;
-typedef png_dsort FAR * FAR * png_dsortpp;
-
-void PNGAPI
-png_set_dither(png_structp png_ptr, png_colorp palette,
- int num_palette, int maximum_colors, png_uint_16p histogram,
- int full_dither)
-{
- png_debug(1, "in png_set_dither");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_DITHER;
-
- if (!full_dither)
- {
- int i;
-
- png_ptr->dither_index = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(num_palette * png_sizeof(png_byte)));
- for (i = 0; i < num_palette; i++)
- png_ptr->dither_index[i] = (png_byte)i;
- }
-
- if (num_palette > maximum_colors)
- {
- if (histogram != NULL)
- {
- /* This is easy enough, just throw out the least used colors.
- * Perhaps not the best solution, but good enough.
- */
-
- int i;
-
- /* Initialize an array to sort colors */
- png_ptr->dither_sort = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(num_palette * png_sizeof(png_byte)));
-
- /* Initialize the dither_sort array */
- for (i = 0; i < num_palette; i++)
- png_ptr->dither_sort[i] = (png_byte)i;
-
- /* Find the least used palette entries by starting a
- * bubble sort, and running it until we have sorted
- * out enough colors. Note that we don't care about
- * sorting all the colors, just finding which are
- * least used.
- */
-
- for (i = num_palette - 1; i >= maximum_colors; i--)
- {
- int done; /* To stop early if the list is pre-sorted */
- int j;
-
- done = 1;
- for (j = 0; j < i; j++)
- {
- if (histogram[png_ptr->dither_sort[j]]
- < histogram[png_ptr->dither_sort[j + 1]])
- {
- png_byte t;
-
- t = png_ptr->dither_sort[j];
- png_ptr->dither_sort[j] = png_ptr->dither_sort[j + 1];
- png_ptr->dither_sort[j + 1] = t;
- done = 0;
- }
- }
- if (done)
- break;
- }
-
- /* Swap the palette around, and set up a table, if necessary */
- if (full_dither)
- {
- int j = num_palette;
-
- /* Put all the useful colors within the max, but don't
- * move the others.
- */
- for (i = 0; i < maximum_colors; i++)
- {
- if ((int)png_ptr->dither_sort[i] >= maximum_colors)
- {
- do
- j--;
- while ((int)png_ptr->dither_sort[j] >= maximum_colors);
- palette[i] = palette[j];
- }
- }
- }
- else
- {
- int j = num_palette;
-
- /* Move all the used colors inside the max limit, and
- * develop a translation table.
- */
- for (i = 0; i < maximum_colors; i++)
- {
- /* Only move the colors we need to */
- if ((int)png_ptr->dither_sort[i] >= maximum_colors)
- {
- png_color tmp_color;
-
- do
- j--;
- while ((int)png_ptr->dither_sort[j] >= maximum_colors);
-
- tmp_color = palette[j];
- palette[j] = palette[i];
- palette[i] = tmp_color;
- /* Indicate where the color went */
- png_ptr->dither_index[j] = (png_byte)i;
- png_ptr->dither_index[i] = (png_byte)j;
- }
- }
-
- /* Find closest color for those colors we are not using */
- for (i = 0; i < num_palette; i++)
- {
- if ((int)png_ptr->dither_index[i] >= maximum_colors)
- {
- int min_d, k, min_k, d_index;
-
- /* Find the closest color to one we threw out */
- d_index = png_ptr->dither_index[i];
- min_d = PNG_COLOR_DIST(palette[d_index], palette[0]);
- for (k = 1, min_k = 0; k < maximum_colors; k++)
- {
- int d;
-
- d = PNG_COLOR_DIST(palette[d_index], palette[k]);
-
- if (d < min_d)
- {
- min_d = d;
- min_k = k;
- }
- }
- /* Point to closest color */
- png_ptr->dither_index[i] = (png_byte)min_k;
- }
- }
- }
- png_free(png_ptr, png_ptr->dither_sort);
- png_ptr->dither_sort = NULL;
- }
- else
- {
- /* This is much harder to do simply (and quickly). Perhaps
- * we need to go through a median cut routine, but those
- * don't always behave themselves with only a few colors
- * as input. So we will just find the closest two colors,
- * and throw out one of them (chosen somewhat randomly).
- * [We don't understand this at all, so if someone wants to
- * work on improving it, be our guest - AED, GRP]
- */
- int i;
- int max_d;
- int num_new_palette;
- png_dsortp t;
- png_dsortpp hash;
-
- t = NULL;
-
- /* Initialize palette index arrays */
- png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(num_palette * png_sizeof(png_byte)));
- png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(num_palette * png_sizeof(png_byte)));
-
- /* Initialize the sort array */
- for (i = 0; i < num_palette; i++)
- {
- png_ptr->index_to_palette[i] = (png_byte)i;
- png_ptr->palette_to_index[i] = (png_byte)i;
- }
-
- hash = (png_dsortpp)png_malloc(png_ptr, (png_uint_32)(769 *
- png_sizeof(png_dsortp)));
- png_memset(hash, 0, 769 * png_sizeof(png_dsortp));
-
- num_new_palette = num_palette;
-
- /* Initial wild guess at how far apart the farthest pixel
- * pair we will be eliminating will be. Larger
- * numbers mean more areas will be allocated, Smaller
- * numbers run the risk of not saving enough data, and
- * having to do this all over again.
- *
- * I have not done extensive checking on this number.
- */
- max_d = 96;
-
- while (num_new_palette > maximum_colors)
- {
- for (i = 0; i < num_new_palette - 1; i++)
- {
- int j;
-
- for (j = i + 1; j < num_new_palette; j++)
- {
- int d;
-
- d = PNG_COLOR_DIST(palette[i], palette[j]);
-
- if (d <= max_d)
- {
-
- t = (png_dsortp)png_malloc_warn(png_ptr,
- (png_uint_32)(png_sizeof(png_dsort)));
- if (t == NULL)
- break;
- t->next = hash[d];
- t->left = (png_byte)i;
- t->right = (png_byte)j;
- hash[d] = t;
- }
- }
- if (t == NULL)
- break;
- }
-
- if (t != NULL)
- for (i = 0; i <= max_d; i++)
- {
- if (hash[i] != NULL)
- {
- png_dsortp p;
-
- for (p = hash[i]; p; p = p->next)
- {
- if ((int)png_ptr->index_to_palette[p->left]
- < num_new_palette &&
- (int)png_ptr->index_to_palette[p->right]
- < num_new_palette)
- {
- int j, next_j;
-
- if (num_new_palette & 0x01)
- {
- j = p->left;
- next_j = p->right;
- }
- else
- {
- j = p->right;
- next_j = p->left;
- }
-
- num_new_palette--;
- palette[png_ptr->index_to_palette[j]]
- = palette[num_new_palette];
- if (!full_dither)
- {
- int k;
-
- for (k = 0; k < num_palette; k++)
- {
- if (png_ptr->dither_index[k] ==
- png_ptr->index_to_palette[j])
- png_ptr->dither_index[k] =
- png_ptr->index_to_palette[next_j];
- if ((int)png_ptr->dither_index[k] ==
- num_new_palette)
- png_ptr->dither_index[k] =
- png_ptr->index_to_palette[j];
- }
- }
-
- png_ptr->index_to_palette[png_ptr->palette_to_index
- [num_new_palette]] = png_ptr->index_to_palette[j];
- png_ptr->palette_to_index[png_ptr->index_to_palette[j]]
- = png_ptr->palette_to_index[num_new_palette];
-
- png_ptr->index_to_palette[j] = (png_byte)num_new_palette;
- png_ptr->palette_to_index[num_new_palette] = (png_byte)j;
- }
- if (num_new_palette <= maximum_colors)
- break;
- }
- if (num_new_palette <= maximum_colors)
- break;
- }
- }
-
- for (i = 0; i < 769; i++)
- {
- if (hash[i] != NULL)
- {
- png_dsortp p = hash[i];
- while (p)
- {
- t = p->next;
- png_free(png_ptr, p);
- p = t;
- }
- }
- hash[i] = 0;
- }
- max_d += 96;
- }
- png_free(png_ptr, hash);
- png_free(png_ptr, png_ptr->palette_to_index);
- png_free(png_ptr, png_ptr->index_to_palette);
- png_ptr->palette_to_index = NULL;
- png_ptr->index_to_palette = NULL;
- }
- num_palette = maximum_colors;
- }
- if (png_ptr->palette == NULL)
- {
- png_ptr->palette = palette;
- }
- png_ptr->num_palette = (png_uint_16)num_palette;
-
- if (full_dither)
- {
- int i;
- png_bytep distance;
- int total_bits = PNG_DITHER_RED_BITS + PNG_DITHER_GREEN_BITS +
- PNG_DITHER_BLUE_BITS;
- int num_red = (1 << PNG_DITHER_RED_BITS);
- int num_green = (1 << PNG_DITHER_GREEN_BITS);
- int num_blue = (1 << PNG_DITHER_BLUE_BITS);
- png_size_t num_entries = ((png_size_t)1 << total_bits);
- png_ptr->palette_lookup = (png_bytep )png_malloc(png_ptr,
- (png_uint_32)(num_entries * png_sizeof(png_byte)));
- png_memset(png_ptr->palette_lookup, 0, num_entries *
- png_sizeof(png_byte));
-
- distance = (png_bytep)png_malloc(png_ptr, (png_uint_32)(num_entries *
- png_sizeof(png_byte)));
-
- png_memset(distance, 0xff, num_entries * png_sizeof(png_byte));
-
- for (i = 0; i < num_palette; i++)
- {
- int ir, ig, ib;
- int r = (palette[i].red >> (8 - PNG_DITHER_RED_BITS));
- int g = (palette[i].green >> (8 - PNG_DITHER_GREEN_BITS));
- int b = (palette[i].blue >> (8 - PNG_DITHER_BLUE_BITS));
-
- for (ir = 0; ir < num_red; ir++)
- {
- /* int dr = abs(ir - r); */
- int dr = ((ir > r) ? ir - r : r - ir);
- int index_r = (ir << (PNG_DITHER_BLUE_BITS + PNG_DITHER_GREEN_BITS));
-
- for (ig = 0; ig < num_green; ig++)
- {
- /* int dg = abs(ig - g); */
- int dg = ((ig > g) ? ig - g : g - ig);
- int dt = dr + dg;
- int dm = ((dr > dg) ? dr : dg);
- int index_g = index_r | (ig << PNG_DITHER_BLUE_BITS);
-
- for (ib = 0; ib < num_blue; ib++)
- {
- int d_index = index_g | ib;
- /* int db = abs(ib - b); */
- int db = ((ib > b) ? ib - b : b - ib);
- int dmax = ((dm > db) ? dm : db);
- int d = dmax + dt + db;
-
- if (d < (int)distance[d_index])
- {
- distance[d_index] = (png_byte)d;
- png_ptr->palette_lookup[d_index] = (png_byte)i;
- }
- }
- }
- }
- }
-
- png_free(png_ptr, distance);
- }
-}
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED)
-/* Transform the image from the file_gamma to the screen_gamma. We
- * only do transformations on images where the file_gamma and screen_gamma
- * are not close reciprocals, otherwise it slows things down slightly, and
- * also needlessly introduces small errors.
- *
- * We will turn off gamma transformation later if no semitransparent entries
- * are present in the tRNS array for palette images. We can't do it here
- * because we don't necessarily have the tRNS chunk yet.
- */
-void PNGAPI
-png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma)
-{
- png_debug(1, "in png_set_gamma");
- if (png_ptr == NULL)
- return;
- if ((fabs(scrn_gamma * file_gamma - 1.0) > PNG_GAMMA_THRESHOLD) ||
- (png_ptr->color_type & PNG_COLOR_MASK_ALPHA) ||
- (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE))
- png_ptr->transformations |= PNG_GAMMA;
- png_ptr->gamma = (float)file_gamma;
- png_ptr->screen_gamma = (float)scrn_gamma;
-}
-#endif
-
-#if defined(PNG_READ_EXPAND_SUPPORTED)
-/* Expand paletted images to RGB, expand grayscale images of
- * less than 8-bit depth to 8-bit depth, and expand tRNS chunks
- * to alpha channels.
- */
-void PNGAPI
-png_set_expand(png_structp png_ptr)
-{
- png_debug(1, "in png_set_expand");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
- png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
-}
-
-/* GRR 19990627: the following three functions currently are identical
- * to png_set_expand(). However, it is entirely reasonable that someone
- * might wish to expand an indexed image to RGB but *not* expand a single,
- * fully transparent palette entry to a full alpha channel--perhaps instead
- * convert tRNS to the grayscale/RGB format (16-bit RGB value), or replace
- * the transparent color with a particular RGB value, or drop tRNS entirely.
- * IOW, a future version of the library may make the transformations flag
- * a bit more fine-grained, with separate bits for each of these three
- * functions.
- *
- * More to the point, these functions make it obvious what libpng will be
- * doing, whereas "expand" can (and does) mean any number of things.
- *
- * GRP 20060307: In libpng-1.4.0, png_set_gray_1_2_4_to_8() was modified
- * to expand only the sample depth but not to expand the tRNS to alpha.
- */
-
-/* Expand paletted images to RGB. */
-void PNGAPI
-png_set_palette_to_rgb(png_structp png_ptr)
-{
- png_debug(1, "in png_set_palette_to_rgb");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
- png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
-}
-
-#if !defined(PNG_1_0_X)
-/* Expand grayscale images of less than 8-bit depth to 8 bits. */
-void PNGAPI
-png_set_expand_gray_1_2_4_to_8(png_structp png_ptr)
-{
- png_debug(1, "in png_set_expand_gray_1_2_4_to_8");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_EXPAND;
- png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
-}
-#endif
-
-#if defined(PNG_1_0_X) || defined(PNG_1_2_X)
-/* Expand grayscale images of less than 8-bit depth to 8 bits. */
-/* Deprecated as of libpng-1.2.9 */
-void PNGAPI
-png_set_gray_1_2_4_to_8(png_structp png_ptr)
-{
- png_debug(1, "in png_set_gray_1_2_4_to_8");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
-}
-#endif
-
-
-/* Expand tRNS chunks to alpha channels. */
-void PNGAPI
-png_set_tRNS_to_alpha(png_structp png_ptr)
-{
- png_debug(1, "in png_set_tRNS_to_alpha");
- png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
- png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
-}
-#endif /* defined(PNG_READ_EXPAND_SUPPORTED) */
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
-void PNGAPI
-png_set_gray_to_rgb(png_structp png_ptr)
-{
- png_debug(1, "in png_set_gray_to_rgb");
- png_ptr->transformations |= PNG_GRAY_TO_RGB;
- png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
-}
-#endif
-
-#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
-#if defined(PNG_FLOATING_POINT_SUPPORTED)
-/* Convert a RGB image to a grayscale of the same width. This allows us,
- * for example, to convert a 24 bpp RGB image into an 8 bpp grayscale image.
- */
-
-void PNGAPI
-png_set_rgb_to_gray(png_structp png_ptr, int error_action, double red,
- double green)
-{
- int red_fixed = (int)((float)red*100000.0 + 0.5);
- int green_fixed = (int)((float)green*100000.0 + 0.5);
- if (png_ptr == NULL)
- return;
- png_set_rgb_to_gray_fixed(png_ptr, error_action, red_fixed, green_fixed);
-}
-#endif
-
-void PNGAPI
-png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action,
- png_fixed_point red, png_fixed_point green)
-{
- png_debug(1, "in png_set_rgb_to_gray");
- if (png_ptr == NULL)
- return;
- switch(error_action)
- {
- case 1: png_ptr->transformations |= PNG_RGB_TO_GRAY;
- break;
-
- case 2: png_ptr->transformations |= PNG_RGB_TO_GRAY_WARN;
- break;
-
- case 3: png_ptr->transformations |= PNG_RGB_TO_GRAY_ERR;
- }
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
-#if defined(PNG_READ_EXPAND_SUPPORTED)
- png_ptr->transformations |= PNG_EXPAND;
-#else
- {
- png_warning(png_ptr,
- "Cannot do RGB_TO_GRAY without EXPAND_SUPPORTED.");
- png_ptr->transformations &= ~PNG_RGB_TO_GRAY;
- }
-#endif
- {
- png_uint_16 red_int, green_int;
- if (red < 0 || green < 0)
- {
- red_int = 6968; /* .212671 * 32768 + .5 */
- green_int = 23434; /* .715160 * 32768 + .5 */
- }
- else if (red + green < 100000L)
- {
- red_int = (png_uint_16)(((png_uint_32)red*32768L)/100000L);
- green_int = (png_uint_16)(((png_uint_32)green*32768L)/100000L);
- }
- else
- {
- png_warning(png_ptr, "ignoring out of range rgb_to_gray coefficients");
- red_int = 6968;
- green_int = 23434;
- }
- png_ptr->rgb_to_gray_red_coeff = red_int;
- png_ptr->rgb_to_gray_green_coeff = green_int;
- png_ptr->rgb_to_gray_blue_coeff =
- (png_uint_16)(32768 - red_int - green_int);
- }
-}
-#endif
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_LEGACY_SUPPORTED)
-void PNGAPI
-png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr
- read_user_transform_fn)
-{
- png_debug(1, "in png_set_read_user_transform_fn");
- if (png_ptr == NULL)
- return;
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- png_ptr->transformations |= PNG_USER_TRANSFORM;
- png_ptr->read_user_transform_fn = read_user_transform_fn;
-#endif
-#ifdef PNG_LEGACY_SUPPORTED
- if (read_user_transform_fn)
- png_warning(png_ptr,
- "This version of libpng does not support user transforms");
-#endif
-}
-#endif
-
-/* Initialize everything needed for the read. This includes modifying
- * the palette.
- */
-void /* PRIVATE */
-png_init_read_transformations(png_structp png_ptr)
-{
- png_debug(1, "in png_init_read_transformations");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (png_ptr != NULL)
-#endif
- {
-#if defined(PNG_READ_BACKGROUND_SUPPORTED) || defined(PNG_READ_SHIFT_SUPPORTED) \
- || defined(PNG_READ_GAMMA_SUPPORTED)
- int color_type = png_ptr->color_type;
-#endif
-
-#if defined(PNG_READ_EXPAND_SUPPORTED) && defined(PNG_READ_BACKGROUND_SUPPORTED)
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
- /* Detect gray background and attempt to enable optimization
- * for gray --> RGB case
- *
- * Note: if PNG_BACKGROUND_EXPAND is set and color_type is either RGB or
- * RGB_ALPHA (in which case need_expand is superfluous anyway), the
- * background color might actually be gray yet not be flagged as such.
- * This is not a problem for the current code, which uses
- * PNG_BACKGROUND_IS_GRAY only to decide when to do the
- * png_do_gray_to_rgb() transformation.
- */
- if ((png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
- !(color_type & PNG_COLOR_MASK_COLOR))
- {
- png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
- } else if ((png_ptr->transformations & PNG_BACKGROUND) &&
- !(png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
- (png_ptr->transformations & PNG_GRAY_TO_RGB) &&
- png_ptr->background.red == png_ptr->background.green &&
- png_ptr->background.red == png_ptr->background.blue)
- {
- png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
- png_ptr->background.gray = png_ptr->background.red;
- }
-#endif
-
- if ((png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
- (png_ptr->transformations & PNG_EXPAND))
- {
- if (!(color_type & PNG_COLOR_MASK_COLOR)) /* i.e., GRAY or GRAY_ALPHA */
- {
- /* Expand background and tRNS chunks */
- switch (png_ptr->bit_depth)
- {
- case 1:
- png_ptr->background.gray *= (png_uint_16)0xff;
- png_ptr->background.red = png_ptr->background.green
- = png_ptr->background.blue = png_ptr->background.gray;
- if (!(png_ptr->transformations & PNG_EXPAND_tRNS))
- {
- png_ptr->trans_values.gray *= (png_uint_16)0xff;
- png_ptr->trans_values.red = png_ptr->trans_values.green
- = png_ptr->trans_values.blue = png_ptr->trans_values.gray;
- }
- break;
-
- case 2:
- png_ptr->background.gray *= (png_uint_16)0x55;
- png_ptr->background.red = png_ptr->background.green
- = png_ptr->background.blue = png_ptr->background.gray;
- if (!(png_ptr->transformations & PNG_EXPAND_tRNS))
- {
- png_ptr->trans_values.gray *= (png_uint_16)0x55;
- png_ptr->trans_values.red = png_ptr->trans_values.green
- = png_ptr->trans_values.blue = png_ptr->trans_values.gray;
- }
- break;
-
- case 4:
- png_ptr->background.gray *= (png_uint_16)0x11;
- png_ptr->background.red = png_ptr->background.green
- = png_ptr->background.blue = png_ptr->background.gray;
- if (!(png_ptr->transformations & PNG_EXPAND_tRNS))
- {
- png_ptr->trans_values.gray *= (png_uint_16)0x11;
- png_ptr->trans_values.red = png_ptr->trans_values.green
- = png_ptr->trans_values.blue = png_ptr->trans_values.gray;
- }
- break;
-
- case 8:
-
- case 16:
- png_ptr->background.red = png_ptr->background.green
- = png_ptr->background.blue = png_ptr->background.gray;
- break;
- }
- }
- else if (color_type == PNG_COLOR_TYPE_PALETTE)
- {
- png_ptr->background.red =
- png_ptr->palette[png_ptr->background.index].red;
- png_ptr->background.green =
- png_ptr->palette[png_ptr->background.index].green;
- png_ptr->background.blue =
- png_ptr->palette[png_ptr->background.index].blue;
-
-#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
- if (png_ptr->transformations & PNG_INVERT_ALPHA)
- {
-#if defined(PNG_READ_EXPAND_SUPPORTED)
- if (!(png_ptr->transformations & PNG_EXPAND_tRNS))
-#endif
- {
- /* Invert the alpha channel (in tRNS) unless the pixels are
- * going to be expanded, in which case leave it for later
- */
- int i, istop;
- istop=(int)png_ptr->num_trans;
- for (i=0; i<istop; i++)
- png_ptr->trans[i] = (png_byte)(255 - png_ptr->trans[i]);
- }
- }
-#endif
-
- }
- }
-#endif
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED) && defined(PNG_READ_GAMMA_SUPPORTED)
- png_ptr->background_1 = png_ptr->background;
-#endif
-#if defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED)
-
- if ((color_type == PNG_COLOR_TYPE_PALETTE && png_ptr->num_trans != 0)
- && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0)
- < PNG_GAMMA_THRESHOLD))
- {
- int i, k;
- k=0;
- for (i=0; i<png_ptr->num_trans; i++)
- {
- if (png_ptr->trans[i] != 0 && png_ptr->trans[i] != 0xff)
- k=1; /* Partial transparency is present */
- }
- if (k == 0)
- png_ptr->transformations &= ~PNG_GAMMA;
- }
-
- if ((png_ptr->transformations & (PNG_GAMMA | PNG_RGB_TO_GRAY)) &&
- png_ptr->gamma != 0.0)
- {
- png_build_gamma_table(png_ptr);
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr->transformations & PNG_BACKGROUND)
- {
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- {
- /* Could skip if no transparency */
- png_color back, back_1;
- png_colorp palette = png_ptr->palette;
- int num_palette = png_ptr->num_palette;
- int i;
- if (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_FILE)
- {
- back.red = png_ptr->gamma_table[png_ptr->background.red];
- back.green = png_ptr->gamma_table[png_ptr->background.green];
- back.blue = png_ptr->gamma_table[png_ptr->background.blue];
-
- back_1.red = png_ptr->gamma_to_1[png_ptr->background.red];
- back_1.green = png_ptr->gamma_to_1[png_ptr->background.green];
- back_1.blue = png_ptr->gamma_to_1[png_ptr->background.blue];
- }
- else
- {
- double g, gs;
-
- switch (png_ptr->background_gamma_type)
- {
- case PNG_BACKGROUND_GAMMA_SCREEN:
- g = (png_ptr->screen_gamma);
- gs = 1.0;
- break;
-
- case PNG_BACKGROUND_GAMMA_FILE:
- g = 1.0 / (png_ptr->gamma);
- gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
- break;
-
- case PNG_BACKGROUND_GAMMA_UNIQUE:
- g = 1.0 / (png_ptr->background_gamma);
- gs = 1.0 / (png_ptr->background_gamma *
- png_ptr->screen_gamma);
- break;
- default:
- g = 1.0; /* back_1 */
- gs = 1.0; /* back */
- }
-
- if ( fabs(gs - 1.0) < PNG_GAMMA_THRESHOLD)
- {
- back.red = (png_byte)png_ptr->background.red;
- back.green = (png_byte)png_ptr->background.green;
- back.blue = (png_byte)png_ptr->background.blue;
- }
- else
- {
- back.red = (png_byte)(pow(
- (double)png_ptr->background.red/255, gs) * 255.0 + .5);
- back.green = (png_byte)(pow(
- (double)png_ptr->background.green/255, gs) * 255.0 + .5);
- back.blue = (png_byte)(pow(
- (double)png_ptr->background.blue/255, gs) * 255.0 + .5);
- }
-
- back_1.red = (png_byte)(pow(
- (double)png_ptr->background.red/255, g) * 255.0 + .5);
- back_1.green = (png_byte)(pow(
- (double)png_ptr->background.green/255, g) * 255.0 + .5);
- back_1.blue = (png_byte)(pow(
- (double)png_ptr->background.blue/255, g) * 255.0 + .5);
- }
- for (i = 0; i < num_palette; i++)
- {
- if (i < (int)png_ptr->num_trans && png_ptr->trans[i] != 0xff)
- {
- if (png_ptr->trans[i] == 0)
- {
- palette[i] = back;
- }
- else /* if (png_ptr->trans[i] != 0xff) */
- {
- png_byte v, w;
-
- v = png_ptr->gamma_to_1[palette[i].red];
- png_composite(w, v, png_ptr->trans[i], back_1.red);
- palette[i].red = png_ptr->gamma_from_1[w];
-
- v = png_ptr->gamma_to_1[palette[i].green];
- png_composite(w, v, png_ptr->trans[i], back_1.green);
- palette[i].green = png_ptr->gamma_from_1[w];
-
- v = png_ptr->gamma_to_1[palette[i].blue];
- png_composite(w, v, png_ptr->trans[i], back_1.blue);
- palette[i].blue = png_ptr->gamma_from_1[w];
- }
- }
- else
- {
- palette[i].red = png_ptr->gamma_table[palette[i].red];
- palette[i].green = png_ptr->gamma_table[palette[i].green];
- palette[i].blue = png_ptr->gamma_table[palette[i].blue];
- }
- }
- /* Prevent the transformations being done again, and make sure
- * that the now spurious alpha channel is stripped - the code
- * has just reduced background composition and gamma correction
- * to a simple alpha channel strip.
- */
- png_ptr->transformations &= ~PNG_BACKGROUND;
- png_ptr->transformations &= ~PNG_GAMMA;
- png_ptr->transformations |= PNG_STRIP_ALPHA;
- }
- /* if (png_ptr->background_gamma_type!=PNG_BACKGROUND_GAMMA_UNKNOWN) */
- else
- /* color_type != PNG_COLOR_TYPE_PALETTE */
- {
- double m = (double)(((png_uint_32)1 << png_ptr->bit_depth) - 1);
- double g = 1.0;
- double gs = 1.0;
-
- switch (png_ptr->background_gamma_type)
- {
- case PNG_BACKGROUND_GAMMA_SCREEN:
- g = (png_ptr->screen_gamma);
- gs = 1.0;
- break;
-
- case PNG_BACKGROUND_GAMMA_FILE:
- g = 1.0 / (png_ptr->gamma);
- gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
- break;
-
- case PNG_BACKGROUND_GAMMA_UNIQUE:
- g = 1.0 / (png_ptr->background_gamma);
- gs = 1.0 / (png_ptr->background_gamma *
- png_ptr->screen_gamma);
- break;
- }
-
- png_ptr->background_1.gray = (png_uint_16)(pow(
- (double)png_ptr->background.gray / m, g) * m + .5);
- png_ptr->background.gray = (png_uint_16)(pow(
- (double)png_ptr->background.gray / m, gs) * m + .5);
-
- if ((png_ptr->background.red != png_ptr->background.green) ||
- (png_ptr->background.red != png_ptr->background.blue) ||
- (png_ptr->background.red != png_ptr->background.gray))
- {
- /* RGB or RGBA with color background */
- png_ptr->background_1.red = (png_uint_16)(pow(
- (double)png_ptr->background.red / m, g) * m + .5);
- png_ptr->background_1.green = (png_uint_16)(pow(
- (double)png_ptr->background.green / m, g) * m + .5);
- png_ptr->background_1.blue = (png_uint_16)(pow(
- (double)png_ptr->background.blue / m, g) * m + .5);
- png_ptr->background.red = (png_uint_16)(pow(
- (double)png_ptr->background.red / m, gs) * m + .5);
- png_ptr->background.green = (png_uint_16)(pow(
- (double)png_ptr->background.green / m, gs) * m + .5);
- png_ptr->background.blue = (png_uint_16)(pow(
- (double)png_ptr->background.blue / m, gs) * m + .5);
- }
- else
- {
- /* GRAY, GRAY ALPHA, RGB, or RGBA with gray background */
- png_ptr->background_1.red = png_ptr->background_1.green
- = png_ptr->background_1.blue = png_ptr->background_1.gray;
- png_ptr->background.red = png_ptr->background.green
- = png_ptr->background.blue = png_ptr->background.gray;
- }
- }
- }
- else
- /* Transformation does not include PNG_BACKGROUND */
-#endif /* PNG_READ_BACKGROUND_SUPPORTED */
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- {
- png_colorp palette = png_ptr->palette;
- int num_palette = png_ptr->num_palette;
- int i;
-
- for (i = 0; i < num_palette; i++)
- {
- palette[i].red = png_ptr->gamma_table[palette[i].red];
- palette[i].green = png_ptr->gamma_table[palette[i].green];
- palette[i].blue = png_ptr->gamma_table[palette[i].blue];
- }
-
- /* Done the gamma correction. */
- png_ptr->transformations &= ~PNG_GAMMA;
- }
- }
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- else
-#endif
-#endif /* PNG_READ_GAMMA_SUPPORTED && PNG_FLOATING_POINT_SUPPORTED */
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- /* No GAMMA transformation */
- if ((png_ptr->transformations & PNG_BACKGROUND) &&
- (color_type == PNG_COLOR_TYPE_PALETTE))
- {
- int i;
- int istop = (int)png_ptr->num_trans;
- png_color back;
- png_colorp palette = png_ptr->palette;
-
- back.red = (png_byte)png_ptr->background.red;
- back.green = (png_byte)png_ptr->background.green;
- back.blue = (png_byte)png_ptr->background.blue;
-
- for (i = 0; i < istop; i++)
- {
- if (png_ptr->trans[i] == 0)
- {
- palette[i] = back;
- }
- else if (png_ptr->trans[i] != 0xff)
- {
- /* The png_composite() macro is defined in png.h */
- png_composite(palette[i].red, palette[i].red,
- png_ptr->trans[i], back.red);
- png_composite(palette[i].green, palette[i].green,
- png_ptr->trans[i], back.green);
- png_composite(palette[i].blue, palette[i].blue,
- png_ptr->trans[i], back.blue);
- }
- }
-
- /* Handled alpha, still need to strip the channel. */
- png_ptr->transformations &= ~PNG_BACKGROUND;
- png_ptr->transformations |= PNG_STRIP_ALPHA;
- }
-#endif /* PNG_READ_BACKGROUND_SUPPORTED */
-
-#if defined(PNG_READ_SHIFT_SUPPORTED)
- if ((png_ptr->transformations & PNG_SHIFT) &&
- (color_type == PNG_COLOR_TYPE_PALETTE))
- {
- png_uint_16 i;
- png_uint_16 istop = png_ptr->num_palette;
- int sr = 8 - png_ptr->sig_bit.red;
- int sg = 8 - png_ptr->sig_bit.green;
- int sb = 8 - png_ptr->sig_bit.blue;
-
- if (sr < 0 || sr > 8)
- sr = 0;
- if (sg < 0 || sg > 8)
- sg = 0;
- if (sb < 0 || sb > 8)
- sb = 0;
- for (i = 0; i < istop; i++)
- {
- png_ptr->palette[i].red >>= sr;
- png_ptr->palette[i].green >>= sg;
- png_ptr->palette[i].blue >>= sb;
- }
- }
-#endif /* PNG_READ_SHIFT_SUPPORTED */
- }
-#if !defined(PNG_READ_GAMMA_SUPPORTED) && !defined(PNG_READ_SHIFT_SUPPORTED) \
- && !defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr)
- return;
-#endif
-}
-
-/* Modify the info structure to reflect the transformations. The
- * info should be updated so a PNG file could be written with it,
- * assuming the transformations result in valid PNG data.
- */
-void /* PRIVATE */
-png_read_transform_info(png_structp png_ptr, png_infop info_ptr)
-{
- png_debug(1, "in png_read_transform_info");
-#if defined(PNG_READ_EXPAND_SUPPORTED)
- if (png_ptr->transformations & PNG_EXPAND)
- {
- if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- if (png_ptr->num_trans &&
- (png_ptr->transformations & PNG_EXPAND_tRNS))
- info_ptr->color_type = PNG_COLOR_TYPE_RGB_ALPHA;
- else
- info_ptr->color_type = PNG_COLOR_TYPE_RGB;
- info_ptr->bit_depth = 8;
- info_ptr->num_trans = 0;
- }
- else
- {
- if (png_ptr->num_trans)
- {
- if (png_ptr->transformations & PNG_EXPAND_tRNS)
- info_ptr->color_type |= PNG_COLOR_MASK_ALPHA;
-#if 0 /* Removed from libpng-1.2.27 */
- else
- info_ptr->color_type |= PNG_COLOR_MASK_COLOR;
-#endif
- }
- if (info_ptr->bit_depth < 8)
- info_ptr->bit_depth = 8;
- info_ptr->num_trans = 0;
- }
- }
-#endif
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr->transformations & PNG_BACKGROUND)
- {
- info_ptr->color_type &= ~PNG_COLOR_MASK_ALPHA;
- info_ptr->num_trans = 0;
- info_ptr->background = png_ptr->background;
- }
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (png_ptr->transformations & PNG_GAMMA)
- {
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- info_ptr->gamma = png_ptr->gamma;
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
- info_ptr->int_gamma = png_ptr->int_gamma;
-#endif
- }
-#endif
-
-#if defined(PNG_READ_16_TO_8_SUPPORTED)
- if ((png_ptr->transformations & PNG_16_TO_8) && (info_ptr->bit_depth == 16))
- info_ptr->bit_depth = 8;
-#endif
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
- if (png_ptr->transformations & PNG_GRAY_TO_RGB)
- info_ptr->color_type |= PNG_COLOR_MASK_COLOR;
-#endif
-
-#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
- if (png_ptr->transformations & PNG_RGB_TO_GRAY)
- info_ptr->color_type &= ~PNG_COLOR_MASK_COLOR;
-#endif
-
-#if defined(PNG_READ_DITHER_SUPPORTED)
- if (png_ptr->transformations & PNG_DITHER)
- {
- if (((info_ptr->color_type == PNG_COLOR_TYPE_RGB) ||
- (info_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA)) &&
- png_ptr->palette_lookup && info_ptr->bit_depth == 8)
- {
- info_ptr->color_type = PNG_COLOR_TYPE_PALETTE;
- }
- }
-#endif
-
-#if defined(PNG_READ_PACK_SUPPORTED)
- if ((png_ptr->transformations & PNG_PACK) && (info_ptr->bit_depth < 8))
- info_ptr->bit_depth = 8;
-#endif
-
- if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- info_ptr->channels = 1;
- else if (info_ptr->color_type & PNG_COLOR_MASK_COLOR)
- info_ptr->channels = 3;
- else
- info_ptr->channels = 1;
-
-#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
- if (png_ptr->flags & PNG_FLAG_STRIP_ALPHA)
- info_ptr->color_type &= ~PNG_COLOR_MASK_ALPHA;
-#endif
-
- if (info_ptr->color_type & PNG_COLOR_MASK_ALPHA)
- info_ptr->channels++;
-
-#if defined(PNG_READ_FILLER_SUPPORTED)
- /* STRIP_ALPHA and FILLER allowed: MASK_ALPHA bit stripped above */
- if ((png_ptr->transformations & PNG_FILLER) &&
- ((info_ptr->color_type == PNG_COLOR_TYPE_RGB) ||
- (info_ptr->color_type == PNG_COLOR_TYPE_GRAY)))
- {
- info_ptr->channels++;
- /* If adding a true alpha channel not just filler */
-#if !defined(PNG_1_0_X)
- if (png_ptr->transformations & PNG_ADD_ALPHA)
- info_ptr->color_type |= PNG_COLOR_MASK_ALPHA;
-#endif
- }
-#endif
-
-#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) && \
-defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- if (png_ptr->transformations & PNG_USER_TRANSFORM)
- {
- if (info_ptr->bit_depth < png_ptr->user_transform_depth)
- info_ptr->bit_depth = png_ptr->user_transform_depth;
- if (info_ptr->channels < png_ptr->user_transform_channels)
- info_ptr->channels = png_ptr->user_transform_channels;
- }
-#endif
-
- info_ptr->pixel_depth = (png_byte)(info_ptr->channels *
- info_ptr->bit_depth);
-
- info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, info_ptr->width);
-
-#if !defined(PNG_READ_EXPAND_SUPPORTED)
- if (png_ptr)
- return;
-#endif
-}
-
-/* Transform the row. The order of transformations is significant,
- * and is very touchy. If you add a transformation, take care to
- * decide how it fits in with the other transformations here.
- */
-void /* PRIVATE */
-png_do_read_transformations(png_structp png_ptr)
-{
- png_debug(1, "in png_do_read_transformations");
- if (png_ptr->row_buf == NULL)
- {
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- char msg[50];
-
- png_snprintf2(msg, 50,
- "NULL row buffer for row %ld, pass %d", (long)png_ptr->row_number,
- png_ptr->pass);
- png_error(png_ptr, msg);
-#else
- png_error(png_ptr, "NULL row buffer");
-#endif
- }
-#ifdef PNG_WARN_UNINITIALIZED_ROW
- if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
- /* Application has failed to call either png_read_start_image()
- * or png_read_update_info() after setting transforms that expand
- * pixels. This check added to libpng-1.2.19
- */
-#if (PNG_WARN_UNINITIALIZED_ROW==1)
- png_error(png_ptr, "Uninitialized row");
-#else
- png_warning(png_ptr, "Uninitialized row");
-#endif
-#endif
-
-#if defined(PNG_READ_EXPAND_SUPPORTED)
- if (png_ptr->transformations & PNG_EXPAND)
- {
- if (png_ptr->row_info.color_type == PNG_COLOR_TYPE_PALETTE)
- {
- png_do_expand_palette(&(png_ptr->row_info), png_ptr->row_buf + 1,
- png_ptr->palette, png_ptr->trans, png_ptr->num_trans);
- }
- else
- {
- if (png_ptr->num_trans &&
- (png_ptr->transformations & PNG_EXPAND_tRNS))
- png_do_expand(&(png_ptr->row_info), png_ptr->row_buf + 1,
- &(png_ptr->trans_values));
- else
- png_do_expand(&(png_ptr->row_info), png_ptr->row_buf + 1,
- NULL);
- }
- }
-#endif
-
-#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
- if (png_ptr->flags & PNG_FLAG_STRIP_ALPHA)
- png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1,
- PNG_FLAG_FILLER_AFTER | (png_ptr->flags & PNG_FLAG_STRIP_ALPHA));
-#endif
-
-#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
- if (png_ptr->transformations & PNG_RGB_TO_GRAY)
- {
- int rgb_error =
- png_do_rgb_to_gray(png_ptr, &(png_ptr->row_info), png_ptr->row_buf + 1);
- if (rgb_error)
- {
- png_ptr->rgb_to_gray_status=1;
- if ((png_ptr->transformations & PNG_RGB_TO_GRAY) ==
- PNG_RGB_TO_GRAY_WARN)
- png_warning(png_ptr, "png_do_rgb_to_gray found nongray pixel");
- if ((png_ptr->transformations & PNG_RGB_TO_GRAY) ==
- PNG_RGB_TO_GRAY_ERR)
- png_error(png_ptr, "png_do_rgb_to_gray found nongray pixel");
- }
- }
-#endif
-
-/* From Andreas Dilger e-mail to png-implement, 26 March 1998:
- *
- * In most cases, the "simple transparency" should be done prior to doing
- * gray-to-RGB, or you will have to test 3x as many bytes to check if a
- * pixel is transparent. You would also need to make sure that the
- * transparency information is upgraded to RGB.
- *
- * To summarize, the current flow is:
- * - Gray + simple transparency -> compare 1 or 2 gray bytes and composite
- * with background "in place" if transparent,
- * convert to RGB if necessary
- * - Gray + alpha -> composite with gray background and remove alpha bytes,
- * convert to RGB if necessary
- *
- * To support RGB backgrounds for gray images we need:
- * - Gray + simple transparency -> convert to RGB + simple transparency,
- * compare 3 or 6 bytes and composite with
- * background "in place" if transparent
- * (3x compare/pixel compared to doing
- * composite with gray bkgrnd)
- * - Gray + alpha -> convert to RGB + alpha, composite with background and
- * remove alpha bytes (3x float
- * operations/pixel compared with composite
- * on gray background)
- *
- * Greg's change will do this. The reason it wasn't done before is for
- * performance, as this increases the per-pixel operations. If we would check
- * in advance if the background was gray or RGB, and position the gray-to-RGB
- * transform appropriately, then it would save a lot of work/time.
- */
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
- /* If gray -> RGB, do so now only if background is non-gray; else do later
- * for performance reasons
- */
- if ((png_ptr->transformations & PNG_GRAY_TO_RGB) &&
- !(png_ptr->mode & PNG_BACKGROUND_IS_GRAY))
- png_do_gray_to_rgb(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- if ((png_ptr->transformations & PNG_BACKGROUND) &&
- ((png_ptr->num_trans != 0 ) ||
- (png_ptr->color_type & PNG_COLOR_MASK_ALPHA)))
- png_do_background(&(png_ptr->row_info), png_ptr->row_buf + 1,
- &(png_ptr->trans_values), &(png_ptr->background)
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- , &(png_ptr->background_1),
- png_ptr->gamma_table, png_ptr->gamma_from_1,
- png_ptr->gamma_to_1, png_ptr->gamma_16_table,
- png_ptr->gamma_16_from_1, png_ptr->gamma_16_to_1,
- png_ptr->gamma_shift
-#endif
-);
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if ((png_ptr->transformations & PNG_GAMMA) &&
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- !((png_ptr->transformations & PNG_BACKGROUND) &&
- ((png_ptr->num_trans != 0) ||
- (png_ptr->color_type & PNG_COLOR_MASK_ALPHA))) &&
-#endif
- (png_ptr->color_type != PNG_COLOR_TYPE_PALETTE))
- png_do_gamma(&(png_ptr->row_info), png_ptr->row_buf + 1,
- png_ptr->gamma_table, png_ptr->gamma_16_table,
- png_ptr->gamma_shift);
-#endif
-
-#if defined(PNG_READ_16_TO_8_SUPPORTED)
- if (png_ptr->transformations & PNG_16_TO_8)
- png_do_chop(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_DITHER_SUPPORTED)
- if (png_ptr->transformations & PNG_DITHER)
- {
- png_do_dither((png_row_infop)&(png_ptr->row_info), png_ptr->row_buf + 1,
- png_ptr->palette_lookup, png_ptr->dither_index);
- if (png_ptr->row_info.rowbytes == (png_uint_32)0)
- png_error(png_ptr, "png_do_dither returned rowbytes=0");
- }
-#endif
-
-#if defined(PNG_READ_INVERT_SUPPORTED)
- if (png_ptr->transformations & PNG_INVERT_MONO)
- png_do_invert(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_SHIFT_SUPPORTED)
- if (png_ptr->transformations & PNG_SHIFT)
- png_do_unshift(&(png_ptr->row_info), png_ptr->row_buf + 1,
- &(png_ptr->shift));
-#endif
-
-#if defined(PNG_READ_PACK_SUPPORTED)
- if (png_ptr->transformations & PNG_PACK)
- png_do_unpack(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_BGR_SUPPORTED)
- if (png_ptr->transformations & PNG_BGR)
- png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_PACKSWAP)
- png_do_packswap(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
- /* If gray -> RGB, do so now only if we did not do so above */
- if ((png_ptr->transformations & PNG_GRAY_TO_RGB) &&
- (png_ptr->mode & PNG_BACKGROUND_IS_GRAY))
- png_do_gray_to_rgb(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_FILLER_SUPPORTED)
- if (png_ptr->transformations & PNG_FILLER)
- png_do_read_filler(&(png_ptr->row_info), png_ptr->row_buf + 1,
- (png_uint_32)png_ptr->filler, png_ptr->flags);
-#endif
-
-#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
- if (png_ptr->transformations & PNG_INVERT_ALPHA)
- png_do_read_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED)
- if (png_ptr->transformations & PNG_SWAP_ALPHA)
- png_do_read_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_SWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_SWAP_BYTES)
- png_do_swap(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- if (png_ptr->transformations & PNG_USER_TRANSFORM)
- {
- if (png_ptr->read_user_transform_fn != NULL)
- (*(png_ptr->read_user_transform_fn)) /* User read transform function */
- (png_ptr, /* png_ptr */
- &(png_ptr->row_info), /* row_info: */
- /* png_uint_32 width; width of row */
- /* png_uint_32 rowbytes; number of bytes in row */
- /* png_byte color_type; color type of pixels */
- /* png_byte bit_depth; bit depth of samples */
- /* png_byte channels; number of channels (1-4) */
- /* png_byte pixel_depth; bits per pixel (depth*channels) */
- png_ptr->row_buf + 1); /* start of pixel data for row */
-#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
- if (png_ptr->user_transform_depth)
- png_ptr->row_info.bit_depth = png_ptr->user_transform_depth;
- if (png_ptr->user_transform_channels)
- png_ptr->row_info.channels = png_ptr->user_transform_channels;
-#endif
- png_ptr->row_info.pixel_depth = (png_byte)(png_ptr->row_info.bit_depth *
- png_ptr->row_info.channels);
- png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
- png_ptr->row_info.width);
- }
-#endif
-
-}
-
-#if defined(PNG_READ_PACK_SUPPORTED)
-/* Unpack pixels of 1, 2, or 4 bits per pixel into 1 byte per pixel,
- * without changing the actual values. Thus, if you had a row with
- * a bit depth of 1, you would end up with bytes that only contained
- * the numbers 0 or 1. If you would rather they contain 0 and 255, use
- * png_do_shift() after this.
- */
-void /* PRIVATE */
-png_do_unpack(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_unpack");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL && row_info->bit_depth < 8)
-#else
- if (row_info->bit_depth < 8)
-#endif
- {
- png_uint_32 i;
- png_uint_32 row_width=row_info->width;
-
- switch (row_info->bit_depth)
- {
- case 1:
- {
- png_bytep sp = row + (png_size_t)((row_width - 1) >> 3);
- png_bytep dp = row + (png_size_t)row_width - 1;
- png_uint_32 shift = 7 - (int)((row_width + 7) & 0x07);
- for (i = 0; i < row_width; i++)
- {
- *dp = (png_byte)((*sp >> shift) & 0x01);
- if (shift == 7)
- {
- shift = 0;
- sp--;
- }
- else
- shift++;
-
- dp--;
- }
- break;
- }
-
- case 2:
- {
-
- png_bytep sp = row + (png_size_t)((row_width - 1) >> 2);
- png_bytep dp = row + (png_size_t)row_width - 1;
- png_uint_32 shift = (int)((3 - ((row_width + 3) & 0x03)) << 1);
- for (i = 0; i < row_width; i++)
- {
- *dp = (png_byte)((*sp >> shift) & 0x03);
- if (shift == 6)
- {
- shift = 0;
- sp--;
- }
- else
- shift += 2;
-
- dp--;
- }
- break;
- }
-
- case 4:
- {
- png_bytep sp = row + (png_size_t)((row_width - 1) >> 1);
- png_bytep dp = row + (png_size_t)row_width - 1;
- png_uint_32 shift = (int)((1 - ((row_width + 1) & 0x01)) << 2);
- for (i = 0; i < row_width; i++)
- {
- *dp = (png_byte)((*sp >> shift) & 0x0f);
- if (shift == 4)
- {
- shift = 0;
- sp--;
- }
- else
- shift = 4;
-
- dp--;
- }
- break;
- }
- }
- row_info->bit_depth = 8;
- row_info->pixel_depth = (png_byte)(8 * row_info->channels);
- row_info->rowbytes = row_width * row_info->channels;
- }
-}
-#endif
-
-#if defined(PNG_READ_SHIFT_SUPPORTED)
-/* Reverse the effects of png_do_shift. This routine merely shifts the
- * pixels back to their significant bits values. Thus, if you have
- * a row of bit depth 8, but only 5 are significant, this will shift
- * the values back to 0 through 31.
- */
-void /* PRIVATE */
-png_do_unshift(png_row_infop row_info, png_bytep row, png_color_8p sig_bits)
-{
- png_debug(1, "in png_do_unshift");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL && sig_bits != NULL &&
-#endif
- row_info->color_type != PNG_COLOR_TYPE_PALETTE)
- {
- int shift[4];
- int channels = 0;
- int c;
- png_uint_16 value = 0;
- png_uint_32 row_width = row_info->width;
-
- if (row_info->color_type & PNG_COLOR_MASK_COLOR)
- {
- shift[channels++] = row_info->bit_depth - sig_bits->red;
- shift[channels++] = row_info->bit_depth - sig_bits->green;
- shift[channels++] = row_info->bit_depth - sig_bits->blue;
- }
- else
- {
- shift[channels++] = row_info->bit_depth - sig_bits->gray;
- }
- if (row_info->color_type & PNG_COLOR_MASK_ALPHA)
- {
- shift[channels++] = row_info->bit_depth - sig_bits->alpha;
- }
-
- for (c = 0; c < channels; c++)
- {
- if (shift[c] <= 0)
- shift[c] = 0;
- else
- value = 1;
- }
-
- if (!value)
- return;
-
- switch (row_info->bit_depth)
- {
- case 2:
- {
- png_bytep bp;
- png_uint_32 i;
- png_uint_32 istop = row_info->rowbytes;
-
- for (bp = row, i = 0; i < istop; i++)
- {
- *bp >>= 1;
- *bp++ &= 0x55;
- }
- break;
- }
-
- case 4:
- {
- png_bytep bp = row;
- png_uint_32 i;
- png_uint_32 istop = row_info->rowbytes;
- png_byte mask = (png_byte)((((int)0xf0 >> shift[0]) & (int)0xf0) |
- (png_byte)((int)0xf >> shift[0]));
-
- for (i = 0; i < istop; i++)
- {
- *bp >>= shift[0];
- *bp++ &= mask;
- }
- break;
- }
-
- case 8:
- {
- png_bytep bp = row;
- png_uint_32 i;
- png_uint_32 istop = row_width * channels;
-
- for (i = 0; i < istop; i++)
- {
- *bp++ >>= shift[i%channels];
- }
- break;
- }
-
- case 16:
- {
- png_bytep bp = row;
- png_uint_32 i;
- png_uint_32 istop = channels * row_width;
-
- for (i = 0; i < istop; i++)
- {
- value = (png_uint_16)((*bp << 8) + *(bp + 1));
- value >>= shift[i%channels];
- *bp++ = (png_byte)(value >> 8);
- *bp++ = (png_byte)(value & 0xff);
- }
- break;
- }
- }
- }
-}
-#endif
-
-#if defined(PNG_READ_16_TO_8_SUPPORTED)
-/* Chop rows of bit depth 16 down to 8 */
-void /* PRIVATE */
-png_do_chop(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_chop");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL && row_info->bit_depth == 16)
-#else
- if (row_info->bit_depth == 16)
-#endif
- {
- png_bytep sp = row;
- png_bytep dp = row;
- png_uint_32 i;
- png_uint_32 istop = row_info->width * row_info->channels;
-
- for (i = 0; i<istop; i++, sp += 2, dp++)
- {
-#if defined(PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED)
- /* This does a more accurate scaling of the 16-bit color
- * value, rather than a simple low-byte truncation.
- *
- * What the ideal calculation should be:
- * *dp = (((((png_uint_32)(*sp) << 8) |
- * (png_uint_32)(*(sp + 1))) * 255 + 127)
- * / (png_uint_32)65535L;
- *
- * GRR: no, I think this is what it really should be:
- * *dp = (((((png_uint_32)(*sp) << 8) |
- * (png_uint_32)(*(sp + 1))) + 128L)
- * / (png_uint_32)257L;
- *
- * GRR: here's the exact calculation with shifts:
- * temp = (((png_uint_32)(*sp) << 8) |
- * (png_uint_32)(*(sp + 1))) + 128L;
- * *dp = (temp - (temp >> 8)) >> 8;
- *
- * Approximate calculation with shift/add instead of multiply/divide:
- * *dp = ((((png_uint_32)(*sp) << 8) |
- * (png_uint_32)((int)(*(sp + 1)) - *sp)) + 128) >> 8;
- *
- * What we actually do to avoid extra shifting and conversion:
- */
-
- *dp = *sp + ((((int)(*(sp + 1)) - *sp) > 128) ? 1 : 0);
-#else
- /* Simply discard the low order byte */
- *dp = *sp;
-#endif
- }
- row_info->bit_depth = 8;
- row_info->pixel_depth = (png_byte)(8 * row_info->channels);
- row_info->rowbytes = row_info->width * row_info->channels;
- }
-}
-#endif
-
-#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED)
-void /* PRIVATE */
-png_do_read_swap_alpha(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_read_swap_alpha");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL)
-#endif
- {
- png_uint_32 row_width = row_info->width;
- if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- {
- /* This converts from RGBA to ARGB */
- if (row_info->bit_depth == 8)
- {
- png_bytep sp = row + row_info->rowbytes;
- png_bytep dp = sp;
- png_byte save;
- png_uint_32 i;
-
- for (i = 0; i < row_width; i++)
- {
- save = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = save;
- }
- }
- /* This converts from RRGGBBAA to AARRGGBB */
- else
- {
- png_bytep sp = row + row_info->rowbytes;
- png_bytep dp = sp;
- png_byte save[2];
- png_uint_32 i;
-
- for (i = 0; i < row_width; i++)
- {
- save[0] = *(--sp);
- save[1] = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = save[0];
- *(--dp) = save[1];
- }
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- {
- /* This converts from GA to AG */
- if (row_info->bit_depth == 8)
- {
- png_bytep sp = row + row_info->rowbytes;
- png_bytep dp = sp;
- png_byte save;
- png_uint_32 i;
-
- for (i = 0; i < row_width; i++)
- {
- save = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = save;
- }
- }
- /* This converts from GGAA to AAGG */
- else
- {
- png_bytep sp = row + row_info->rowbytes;
- png_bytep dp = sp;
- png_byte save[2];
- png_uint_32 i;
-
- for (i = 0; i < row_width; i++)
- {
- save[0] = *(--sp);
- save[1] = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = save[0];
- *(--dp) = save[1];
- }
- }
- }
- }
-}
-#endif
-
-#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
-void /* PRIVATE */
-png_do_read_invert_alpha(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_read_invert_alpha");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL)
-#endif
- {
- png_uint_32 row_width = row_info->width;
- if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- {
- /* This inverts the alpha channel in RGBA */
- if (row_info->bit_depth == 8)
- {
- png_bytep sp = row + row_info->rowbytes;
- png_bytep dp = sp;
- png_uint_32 i;
-
- for (i = 0; i < row_width; i++)
- {
- *(--dp) = (png_byte)(255 - *(--sp));
-
-/* This does nothing:
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- We can replace it with:
-*/
- sp-=3;
- dp=sp;
- }
- }
- /* This inverts the alpha channel in RRGGBBAA */
- else
- {
- png_bytep sp = row + row_info->rowbytes;
- png_bytep dp = sp;
- png_uint_32 i;
-
- for (i = 0; i < row_width; i++)
- {
- *(--dp) = (png_byte)(255 - *(--sp));
- *(--dp) = (png_byte)(255 - *(--sp));
-
-/* This does nothing:
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- We can replace it with:
-*/
- sp-=6;
- dp=sp;
- }
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- {
- /* This inverts the alpha channel in GA */
- if (row_info->bit_depth == 8)
- {
- png_bytep sp = row + row_info->rowbytes;
- png_bytep dp = sp;
- png_uint_32 i;
-
- for (i = 0; i < row_width; i++)
- {
- *(--dp) = (png_byte)(255 - *(--sp));
- *(--dp) = *(--sp);
- }
- }
- /* This inverts the alpha channel in GGAA */
- else
- {
- png_bytep sp = row + row_info->rowbytes;
- png_bytep dp = sp;
- png_uint_32 i;
-
- for (i = 0; i < row_width; i++)
- {
- *(--dp) = (png_byte)(255 - *(--sp));
- *(--dp) = (png_byte)(255 - *(--sp));
-/*
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
-*/
- sp-=2;
- dp=sp;
- }
- }
- }
- }
-}
-#endif
-
-#if defined(PNG_READ_FILLER_SUPPORTED)
-/* Add filler channel if we have RGB color */
-void /* PRIVATE */
-png_do_read_filler(png_row_infop row_info, png_bytep row,
- png_uint_32 filler, png_uint_32 flags)
-{
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- png_byte hi_filler = (png_byte)((filler>>8) & 0xff);
- png_byte lo_filler = (png_byte)(filler & 0xff);
-
- png_debug(1, "in png_do_read_filler");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- row_info->color_type == PNG_COLOR_TYPE_GRAY)
- {
- if (row_info->bit_depth == 8)
- {
- /* This changes the data from G to GX */
- if (flags & PNG_FLAG_FILLER_AFTER)
- {
- png_bytep sp = row + (png_size_t)row_width;
- png_bytep dp = sp + (png_size_t)row_width;
- for (i = 1; i < row_width; i++)
- {
- *(--dp) = lo_filler;
- *(--dp) = *(--sp);
- }
- *(--dp) = lo_filler;
- row_info->channels = 2;
- row_info->pixel_depth = 16;
- row_info->rowbytes = row_width * 2;
- }
- /* This changes the data from G to XG */
- else
- {
- png_bytep sp = row + (png_size_t)row_width;
- png_bytep dp = sp + (png_size_t)row_width;
- for (i = 0; i < row_width; i++)
- {
- *(--dp) = *(--sp);
- *(--dp) = lo_filler;
- }
- row_info->channels = 2;
- row_info->pixel_depth = 16;
- row_info->rowbytes = row_width * 2;
- }
- }
- else if (row_info->bit_depth == 16)
- {
- /* This changes the data from GG to GGXX */
- if (flags & PNG_FLAG_FILLER_AFTER)
- {
- png_bytep sp = row + (png_size_t)row_width * 2;
- png_bytep dp = sp + (png_size_t)row_width * 2;
- for (i = 1; i < row_width; i++)
- {
- *(--dp) = hi_filler;
- *(--dp) = lo_filler;
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- }
- *(--dp) = hi_filler;
- *(--dp) = lo_filler;
- row_info->channels = 2;
- row_info->pixel_depth = 32;
- row_info->rowbytes = row_width * 4;
- }
- /* This changes the data from GG to XXGG */
- else
- {
- png_bytep sp = row + (png_size_t)row_width * 2;
- png_bytep dp = sp + (png_size_t)row_width * 2;
- for (i = 0; i < row_width; i++)
- {
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = hi_filler;
- *(--dp) = lo_filler;
- }
- row_info->channels = 2;
- row_info->pixel_depth = 32;
- row_info->rowbytes = row_width * 4;
- }
- }
- } /* COLOR_TYPE == GRAY */
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB)
- {
- if (row_info->bit_depth == 8)
- {
- /* This changes the data from RGB to RGBX */
- if (flags & PNG_FLAG_FILLER_AFTER)
- {
- png_bytep sp = row + (png_size_t)row_width * 3;
- png_bytep dp = sp + (png_size_t)row_width;
- for (i = 1; i < row_width; i++)
- {
- *(--dp) = lo_filler;
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- }
- *(--dp) = lo_filler;
- row_info->channels = 4;
- row_info->pixel_depth = 32;
- row_info->rowbytes = row_width * 4;
- }
- /* This changes the data from RGB to XRGB */
- else
- {
- png_bytep sp = row + (png_size_t)row_width * 3;
- png_bytep dp = sp + (png_size_t)row_width;
- for (i = 0; i < row_width; i++)
- {
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = lo_filler;
- }
- row_info->channels = 4;
- row_info->pixel_depth = 32;
- row_info->rowbytes = row_width * 4;
- }
- }
- else if (row_info->bit_depth == 16)
- {
- /* This changes the data from RRGGBB to RRGGBBXX */
- if (flags & PNG_FLAG_FILLER_AFTER)
- {
- png_bytep sp = row + (png_size_t)row_width * 6;
- png_bytep dp = sp + (png_size_t)row_width * 2;
- for (i = 1; i < row_width; i++)
- {
- *(--dp) = hi_filler;
- *(--dp) = lo_filler;
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- }
- *(--dp) = hi_filler;
- *(--dp) = lo_filler;
- row_info->channels = 4;
- row_info->pixel_depth = 64;
- row_info->rowbytes = row_width * 8;
- }
- /* This changes the data from RRGGBB to XXRRGGBB */
- else
- {
- png_bytep sp = row + (png_size_t)row_width * 6;
- png_bytep dp = sp + (png_size_t)row_width * 2;
- for (i = 0; i < row_width; i++)
- {
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = *(--sp);
- *(--dp) = hi_filler;
- *(--dp) = lo_filler;
- }
- row_info->channels = 4;
- row_info->pixel_depth = 64;
- row_info->rowbytes = row_width * 8;
- }
- }
- } /* COLOR_TYPE == RGB */
-}
-#endif
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
-/* Expand grayscale files to RGB, with or without alpha */
-void /* PRIVATE */
-png_do_gray_to_rgb(png_row_infop row_info, png_bytep row)
-{
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- png_debug(1, "in png_do_gray_to_rgb");
- if (row_info->bit_depth >= 8 &&
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- !(row_info->color_type & PNG_COLOR_MASK_COLOR))
- {
- if (row_info->color_type == PNG_COLOR_TYPE_GRAY)
- {
- if (row_info->bit_depth == 8)
- {
- png_bytep sp = row + (png_size_t)row_width - 1;
- png_bytep dp = sp + (png_size_t)row_width * 2;
- for (i = 0; i < row_width; i++)
- {
- *(dp--) = *sp;
- *(dp--) = *sp;
- *(dp--) = *(sp--);
- }
- }
- else
- {
- png_bytep sp = row + (png_size_t)row_width * 2 - 1;
- png_bytep dp = sp + (png_size_t)row_width * 4;
- for (i = 0; i < row_width; i++)
- {
- *(dp--) = *sp;
- *(dp--) = *(sp - 1);
- *(dp--) = *sp;
- *(dp--) = *(sp - 1);
- *(dp--) = *(sp--);
- *(dp--) = *(sp--);
- }
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- {
- if (row_info->bit_depth == 8)
- {
- png_bytep sp = row + (png_size_t)row_width * 2 - 1;
- png_bytep dp = sp + (png_size_t)row_width * 2;
- for (i = 0; i < row_width; i++)
- {
- *(dp--) = *(sp--);
- *(dp--) = *sp;
- *(dp--) = *sp;
- *(dp--) = *(sp--);
- }
- }
- else
- {
- png_bytep sp = row + (png_size_t)row_width * 4 - 1;
- png_bytep dp = sp + (png_size_t)row_width * 4;
- for (i = 0; i < row_width; i++)
- {
- *(dp--) = *(sp--);
- *(dp--) = *(sp--);
- *(dp--) = *sp;
- *(dp--) = *(sp - 1);
- *(dp--) = *sp;
- *(dp--) = *(sp - 1);
- *(dp--) = *(sp--);
- *(dp--) = *(sp--);
- }
- }
- }
- row_info->channels += (png_byte)2;
- row_info->color_type |= PNG_COLOR_MASK_COLOR;
- row_info->pixel_depth = (png_byte)(row_info->channels *
- row_info->bit_depth);
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
- }
-}
-#endif
-
-#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
-/* Reduce RGB files to grayscale, with or without alpha
- * using the equation given in Poynton's ColorFAQ at
- * <http://www.inforamp.net/~poynton/> (THIS LINK IS DEAD June 2008)
- * New link:
- * <http://www.poynton.com/notes/colour_and_gamma/>
- * Charles Poynton poynton at poynton.com
- *
- * Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
- *
- * We approximate this with
- *
- * Y = 0.21268 * R + 0.7151 * G + 0.07217 * B
- *
- * which can be expressed with integers as
- *
- * Y = (6969 * R + 23434 * G + 2365 * B)/32768
- *
- * The calculation is to be done in a linear colorspace.
- *
- * Other integer coefficents can be used via png_set_rgb_to_gray().
- */
-int /* PRIVATE */
-png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row)
-
-{
- png_uint_32 i;
-
- png_uint_32 row_width = row_info->width;
- int rgb_error = 0;
-
- png_debug(1, "in png_do_rgb_to_gray");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- (row_info->color_type & PNG_COLOR_MASK_COLOR))
- {
- png_uint_32 rc = png_ptr->rgb_to_gray_red_coeff;
- png_uint_32 gc = png_ptr->rgb_to_gray_green_coeff;
- png_uint_32 bc = png_ptr->rgb_to_gray_blue_coeff;
-
- if (row_info->color_type == PNG_COLOR_TYPE_RGB)
- {
- if (row_info->bit_depth == 8)
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr->gamma_from_1 != NULL && png_ptr->gamma_to_1 != NULL)
- {
- png_bytep sp = row;
- png_bytep dp = row;
-
- for (i = 0; i < row_width; i++)
- {
- png_byte red = png_ptr->gamma_to_1[*(sp++)];
- png_byte green = png_ptr->gamma_to_1[*(sp++)];
- png_byte blue = png_ptr->gamma_to_1[*(sp++)];
- if (red != green || red != blue)
- {
- rgb_error |= 1;
- *(dp++) = png_ptr->gamma_from_1[
- (rc*red + gc*green + bc*blue)>>15];
- }
- else
- *(dp++) = *(sp - 1);
- }
- }
- else
-#endif
- {
- png_bytep sp = row;
- png_bytep dp = row;
- for (i = 0; i < row_width; i++)
- {
- png_byte red = *(sp++);
- png_byte green = *(sp++);
- png_byte blue = *(sp++);
- if (red != green || red != blue)
- {
- rgb_error |= 1;
- *(dp++) = (png_byte)((rc*red + gc*green + bc*blue)>>15);
- }
- else
- *(dp++) = *(sp - 1);
- }
- }
- }
-
- else /* RGB bit_depth == 16 */
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr->gamma_16_to_1 != NULL &&
- png_ptr->gamma_16_from_1 != NULL)
- {
- png_bytep sp = row;
- png_bytep dp = row;
- for (i = 0; i < row_width; i++)
- {
- png_uint_16 red, green, blue, w;
-
- red = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
- green = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
- blue = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
-
- if (red == green && red == blue)
- w = red;
- else
- {
- png_uint_16 red_1 = png_ptr->gamma_16_to_1[(red&0xff) >>
- png_ptr->gamma_shift][red>>8];
- png_uint_16 green_1 = png_ptr->gamma_16_to_1[(green&0xff) >>
- png_ptr->gamma_shift][green>>8];
- png_uint_16 blue_1 = png_ptr->gamma_16_to_1[(blue&0xff) >>
- png_ptr->gamma_shift][blue>>8];
- png_uint_16 gray16 = (png_uint_16)((rc*red_1 + gc*green_1
- + bc*blue_1)>>15);
- w = png_ptr->gamma_16_from_1[(gray16&0xff) >>
- png_ptr->gamma_shift][gray16 >> 8];
- rgb_error |= 1;
- }
-
- *(dp++) = (png_byte)((w>>8) & 0xff);
- *(dp++) = (png_byte)(w & 0xff);
- }
- }
- else
-#endif
- {
- png_bytep sp = row;
- png_bytep dp = row;
- for (i = 0; i < row_width; i++)
- {
- png_uint_16 red, green, blue, gray16;
-
- red = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
- green = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
- blue = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
-
- if (red != green || red != blue)
- rgb_error |= 1;
- gray16 = (png_uint_16)((rc*red + gc*green + bc*blue)>>15);
- *(dp++) = (png_byte)((gray16>>8) & 0xff);
- *(dp++) = (png_byte)(gray16 & 0xff);
- }
- }
- }
- }
- if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- {
- if (row_info->bit_depth == 8)
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr->gamma_from_1 != NULL && png_ptr->gamma_to_1 != NULL)
- {
- png_bytep sp = row;
- png_bytep dp = row;
- for (i = 0; i < row_width; i++)
- {
- png_byte red = png_ptr->gamma_to_1[*(sp++)];
- png_byte green = png_ptr->gamma_to_1[*(sp++)];
- png_byte blue = png_ptr->gamma_to_1[*(sp++)];
- if (red != green || red != blue)
- rgb_error |= 1;
- *(dp++) = png_ptr->gamma_from_1
- [(rc*red + gc*green + bc*blue)>>15];
- *(dp++) = *(sp++); /* alpha */
- }
- }
- else
-#endif
- {
- png_bytep sp = row;
- png_bytep dp = row;
- for (i = 0; i < row_width; i++)
- {
- png_byte red = *(sp++);
- png_byte green = *(sp++);
- png_byte blue = *(sp++);
- if (red != green || red != blue)
- rgb_error |= 1;
- *(dp++) = (png_byte)((rc*red + gc*green + bc*blue)>>15);
- *(dp++) = *(sp++); /* alpha */
- }
- }
- }
- else /* RGBA bit_depth == 16 */
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr->gamma_16_to_1 != NULL &&
- png_ptr->gamma_16_from_1 != NULL)
- {
- png_bytep sp = row;
- png_bytep dp = row;
- for (i = 0; i < row_width; i++)
- {
- png_uint_16 red, green, blue, w;
-
- red = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
- green = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
- blue = (png_uint_16)(((*(sp))<<8) | *(sp+1)); sp+=2;
-
- if (red == green && red == blue)
- w = red;
- else
- {
- png_uint_16 red_1 = png_ptr->gamma_16_to_1[(red&0xff) >>
- png_ptr->gamma_shift][red>>8];
- png_uint_16 green_1 = png_ptr->gamma_16_to_1[(green&0xff) >>
- png_ptr->gamma_shift][green>>8];
- png_uint_16 blue_1 = png_ptr->gamma_16_to_1[(blue&0xff) >>
- png_ptr->gamma_shift][blue>>8];
- png_uint_16 gray16 = (png_uint_16)((rc * red_1
- + gc * green_1 + bc * blue_1)>>15);
- w = png_ptr->gamma_16_from_1[(gray16&0xff) >>
- png_ptr->gamma_shift][gray16 >> 8];
- rgb_error |= 1;
- }
-
- *(dp++) = (png_byte)((w>>8) & 0xff);
- *(dp++) = (png_byte)(w & 0xff);
- *(dp++) = *(sp++); /* alpha */
- *(dp++) = *(sp++);
- }
- }
- else
-#endif
- {
- png_bytep sp = row;
- png_bytep dp = row;
- for (i = 0; i < row_width; i++)
- {
- png_uint_16 red, green, blue, gray16;
- red = (png_uint_16)((*(sp)<<8) | *(sp+1)); sp+=2;
- green = (png_uint_16)((*(sp)<<8) | *(sp+1)); sp+=2;
- blue = (png_uint_16)((*(sp)<<8) | *(sp+1)); sp+=2;
- if (red != green || red != blue)
- rgb_error |= 1;
- gray16 = (png_uint_16)((rc*red + gc*green + bc*blue)>>15);
- *(dp++) = (png_byte)((gray16>>8) & 0xff);
- *(dp++) = (png_byte)(gray16 & 0xff);
- *(dp++) = *(sp++); /* alpha */
- *(dp++) = *(sp++);
- }
- }
- }
- }
- row_info->channels -= (png_byte)2;
- row_info->color_type &= ~PNG_COLOR_MASK_COLOR;
- row_info->pixel_depth = (png_byte)(row_info->channels *
- row_info->bit_depth);
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
- }
- return rgb_error;
-}
-#endif
-
-/* Build a grayscale palette. Palette is assumed to be 1 << bit_depth
- * large of png_color. This lets grayscale images be treated as
- * paletted. Most useful for gamma correction and simplification
- * of code.
- */
-void PNGAPI
-png_build_grayscale_palette(int bit_depth, png_colorp palette)
-{
- int num_palette;
- int color_inc;
- int i;
- int v;
-
- png_debug(1, "in png_do_build_grayscale_palette");
- if (palette == NULL)
- return;
-
- switch (bit_depth)
- {
- case 1:
- num_palette = 2;
- color_inc = 0xff;
- break;
-
- case 2:
- num_palette = 4;
- color_inc = 0x55;
- break;
-
- case 4:
- num_palette = 16;
- color_inc = 0x11;
- break;
-
- case 8:
- num_palette = 256;
- color_inc = 1;
- break;
-
- default:
- num_palette = 0;
- color_inc = 0;
- break;
- }
-
- for (i = 0, v = 0; i < num_palette; i++, v += color_inc)
- {
- palette[i].red = (png_byte)v;
- palette[i].green = (png_byte)v;
- palette[i].blue = (png_byte)v;
- }
-}
-
-/* This function is currently unused. Do we really need it? */
-#if defined(PNG_READ_DITHER_SUPPORTED) && defined(PNG_CORRECT_PALETTE_SUPPORTED)
-void /* PRIVATE */
-png_correct_palette(png_structp png_ptr, png_colorp palette,
- int num_palette)
-{
- png_debug(1, "in png_correct_palette");
-#if defined(PNG_READ_BACKGROUND_SUPPORTED) && \
- defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED)
- if (png_ptr->transformations & (PNG_GAMMA | PNG_BACKGROUND))
- {
- png_color back, back_1;
-
- if (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_FILE)
- {
- back.red = png_ptr->gamma_table[png_ptr->background.red];
- back.green = png_ptr->gamma_table[png_ptr->background.green];
- back.blue = png_ptr->gamma_table[png_ptr->background.blue];
-
- back_1.red = png_ptr->gamma_to_1[png_ptr->background.red];
- back_1.green = png_ptr->gamma_to_1[png_ptr->background.green];
- back_1.blue = png_ptr->gamma_to_1[png_ptr->background.blue];
- }
- else
- {
- double g;
-
- g = 1.0 / (png_ptr->background_gamma * png_ptr->screen_gamma);
-
- if (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_SCREEN ||
- fabs(g - 1.0) < PNG_GAMMA_THRESHOLD)
- {
- back.red = png_ptr->background.red;
- back.green = png_ptr->background.green;
- back.blue = png_ptr->background.blue;
- }
- else
- {
- back.red =
- (png_byte)(pow((double)png_ptr->background.red/255, g) *
- 255.0 + 0.5);
- back.green =
- (png_byte)(pow((double)png_ptr->background.green/255, g) *
- 255.0 + 0.5);
- back.blue =
- (png_byte)(pow((double)png_ptr->background.blue/255, g) *
- 255.0 + 0.5);
- }
-
- g = 1.0 / png_ptr->background_gamma;
-
- back_1.red =
- (png_byte)(pow((double)png_ptr->background.red/255, g) *
- 255.0 + 0.5);
- back_1.green =
- (png_byte)(pow((double)png_ptr->background.green/255, g) *
- 255.0 + 0.5);
- back_1.blue =
- (png_byte)(pow((double)png_ptr->background.blue/255, g) *
- 255.0 + 0.5);
- }
-
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- png_uint_32 i;
-
- for (i = 0; i < (png_uint_32)num_palette; i++)
- {
- if (i < png_ptr->num_trans && png_ptr->trans[i] == 0)
- {
- palette[i] = back;
- }
- else if (i < png_ptr->num_trans && png_ptr->trans[i] != 0xff)
- {
- png_byte v, w;
-
- v = png_ptr->gamma_to_1[png_ptr->palette[i].red];
- png_composite(w, v, png_ptr->trans[i], back_1.red);
- palette[i].red = png_ptr->gamma_from_1[w];
-
- v = png_ptr->gamma_to_1[png_ptr->palette[i].green];
- png_composite(w, v, png_ptr->trans[i], back_1.green);
- palette[i].green = png_ptr->gamma_from_1[w];
-
- v = png_ptr->gamma_to_1[png_ptr->palette[i].blue];
- png_composite(w, v, png_ptr->trans[i], back_1.blue);
- palette[i].blue = png_ptr->gamma_from_1[w];
- }
- else
- {
- palette[i].red = png_ptr->gamma_table[palette[i].red];
- palette[i].green = png_ptr->gamma_table[palette[i].green];
- palette[i].blue = png_ptr->gamma_table[palette[i].blue];
- }
- }
- }
- else
- {
- int i;
-
- for (i = 0; i < num_palette; i++)
- {
- if (palette[i].red == (png_byte)png_ptr->trans_values.gray)
- {
- palette[i] = back;
- }
- else
- {
- palette[i].red = png_ptr->gamma_table[palette[i].red];
- palette[i].green = png_ptr->gamma_table[palette[i].green];
- palette[i].blue = png_ptr->gamma_table[palette[i].blue];
- }
- }
- }
- }
- else
-#endif
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (png_ptr->transformations & PNG_GAMMA)
- {
- int i;
-
- for (i = 0; i < num_palette; i++)
- {
- palette[i].red = png_ptr->gamma_table[palette[i].red];
- palette[i].green = png_ptr->gamma_table[palette[i].green];
- palette[i].blue = png_ptr->gamma_table[palette[i].blue];
- }
- }
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- else
-#endif
-#endif
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
- if (png_ptr->transformations & PNG_BACKGROUND)
- {
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- png_color back;
-
- back.red = (png_byte)png_ptr->background.red;
- back.green = (png_byte)png_ptr->background.green;
- back.blue = (png_byte)png_ptr->background.blue;
-
- for (i = 0; i < (int)png_ptr->num_trans; i++)
- {
- if (png_ptr->trans[i] == 0)
- {
- palette[i].red = back.red;
- palette[i].green = back.green;
- palette[i].blue = back.blue;
- }
- else if (png_ptr->trans[i] != 0xff)
- {
- png_composite(palette[i].red, png_ptr->palette[i].red,
- png_ptr->trans[i], back.red);
- png_composite(palette[i].green, png_ptr->palette[i].green,
- png_ptr->trans[i], back.green);
- png_composite(palette[i].blue, png_ptr->palette[i].blue,
- png_ptr->trans[i], back.blue);
- }
- }
- }
- else /* Assume grayscale palette (what else could it be?) */
- {
- int i;
-
- for (i = 0; i < num_palette; i++)
- {
- if (i == (png_byte)png_ptr->trans_values.gray)
- {
- palette[i].red = (png_byte)png_ptr->background.red;
- palette[i].green = (png_byte)png_ptr->background.green;
- palette[i].blue = (png_byte)png_ptr->background.blue;
- }
- }
- }
- }
-#endif
-}
-#endif
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED)
-/* Replace any alpha or transparency with the supplied background color.
- * "background" is already in the screen gamma, while "background_1" is
- * at a gamma of 1.0. Paletted files have already been taken care of.
- */
-void /* PRIVATE */
-png_do_background(png_row_infop row_info, png_bytep row,
- png_color_16p trans_values, png_color_16p background
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- , png_color_16p background_1,
- png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1,
- png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1,
- png_uint_16pp gamma_16_to_1, int gamma_shift
-#endif
- )
-{
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width=row_info->width;
- int shift;
-
- png_debug(1, "in png_do_background");
- if (background != NULL &&
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- (!(row_info->color_type & PNG_COLOR_MASK_ALPHA) ||
- (row_info->color_type != PNG_COLOR_TYPE_PALETTE && trans_values)))
- {
- switch (row_info->color_type)
- {
- case PNG_COLOR_TYPE_GRAY:
- {
- switch (row_info->bit_depth)
- {
- case 1:
- {
- sp = row;
- shift = 7;
- for (i = 0; i < row_width; i++)
- {
- if ((png_uint_16)((*sp >> shift) & 0x01)
- == trans_values->gray)
- {
- *sp &= (png_byte)((0x7f7f >> (7 - shift)) & 0xff);
- *sp |= (png_byte)(background->gray << shift);
- }
- if (!shift)
- {
- shift = 7;
- sp++;
- }
- else
- shift--;
- }
- break;
- }
-
- case 2:
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_table != NULL)
- {
- sp = row;
- shift = 6;
- for (i = 0; i < row_width; i++)
- {
- if ((png_uint_16)((*sp >> shift) & 0x03)
- == trans_values->gray)
- {
- *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff);
- *sp |= (png_byte)(background->gray << shift);
- }
- else
- {
- png_byte p = (png_byte)((*sp >> shift) & 0x03);
- png_byte g = (png_byte)((gamma_table [p | (p << 2) |
- (p << 4) | (p << 6)] >> 6) & 0x03);
- *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff);
- *sp |= (png_byte)(g << shift);
- }
- if (!shift)
- {
- shift = 6;
- sp++;
- }
- else
- shift -= 2;
- }
- }
- else
-#endif
- {
- sp = row;
- shift = 6;
- for (i = 0; i < row_width; i++)
- {
- if ((png_uint_16)((*sp >> shift) & 0x03)
- == trans_values->gray)
- {
- *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff);
- *sp |= (png_byte)(background->gray << shift);
- }
- if (!shift)
- {
- shift = 6;
- sp++;
- }
- else
- shift -= 2;
- }
- }
- break;
- }
-
- case 4:
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_table != NULL)
- {
- sp = row;
- shift = 4;
- for (i = 0; i < row_width; i++)
- {
- if ((png_uint_16)((*sp >> shift) & 0x0f)
- == trans_values->gray)
- {
- *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff);
- *sp |= (png_byte)(background->gray << shift);
- }
- else
- {
- png_byte p = (png_byte)((*sp >> shift) & 0x0f);
- png_byte g = (png_byte)((gamma_table[p |
- (p << 4)] >> 4) & 0x0f);
- *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff);
- *sp |= (png_byte)(g << shift);
- }
- if (!shift)
- {
- shift = 4;
- sp++;
- }
- else
- shift -= 4;
- }
- }
- else
-#endif
- {
- sp = row;
- shift = 4;
- for (i = 0; i < row_width; i++)
- {
- if ((png_uint_16)((*sp >> shift) & 0x0f)
- == trans_values->gray)
- {
- *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff);
- *sp |= (png_byte)(background->gray << shift);
- }
- if (!shift)
- {
- shift = 4;
- sp++;
- }
- else
- shift -= 4;
- }
- }
- break;
- }
-
- case 8:
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_table != NULL)
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp++)
- {
- if (*sp == trans_values->gray)
- {
- *sp = (png_byte)background->gray;
- }
- else
- {
- *sp = gamma_table[*sp];
- }
- }
- }
- else
-#endif
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp++)
- {
- if (*sp == trans_values->gray)
- {
- *sp = (png_byte)background->gray;
- }
- }
- }
- break;
- }
-
- case 16:
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_16 != NULL)
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp += 2)
- {
- png_uint_16 v;
-
- v = (png_uint_16)(((*sp) << 8) + *(sp + 1));
- if (v == trans_values->gray)
- {
- /* Background is already in screen gamma */
- *sp = (png_byte)((background->gray >> 8) & 0xff);
- *(sp + 1) = (png_byte)(background->gray & 0xff);
- }
- else
- {
- v = gamma_16[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- }
- }
- }
- else
-#endif
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp += 2)
- {
- png_uint_16 v;
-
- v = (png_uint_16)(((*sp) << 8) + *(sp + 1));
- if (v == trans_values->gray)
- {
- *sp = (png_byte)((background->gray >> 8) & 0xff);
- *(sp + 1) = (png_byte)(background->gray & 0xff);
- }
- }
- }
- break;
- }
- }
- break;
- }
-
- case PNG_COLOR_TYPE_RGB:
- {
- if (row_info->bit_depth == 8)
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_table != NULL)
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp += 3)
- {
- if (*sp == trans_values->red &&
- *(sp + 1) == trans_values->green &&
- *(sp + 2) == trans_values->blue)
- {
- *sp = (png_byte)background->red;
- *(sp + 1) = (png_byte)background->green;
- *(sp + 2) = (png_byte)background->blue;
- }
- else
- {
- *sp = gamma_table[*sp];
- *(sp + 1) = gamma_table[*(sp + 1)];
- *(sp + 2) = gamma_table[*(sp + 2)];
- }
- }
- }
- else
-#endif
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp += 3)
- {
- if (*sp == trans_values->red &&
- *(sp + 1) == trans_values->green &&
- *(sp + 2) == trans_values->blue)
- {
- *sp = (png_byte)background->red;
- *(sp + 1) = (png_byte)background->green;
- *(sp + 2) = (png_byte)background->blue;
- }
- }
- }
- }
- else /* if (row_info->bit_depth == 16) */
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_16 != NULL)
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp += 6)
- {
- png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1));
- png_uint_16 g = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3));
- png_uint_16 b = (png_uint_16)(((*(sp+4)) << 8) + *(sp+5));
- if (r == trans_values->red && g == trans_values->green &&
- b == trans_values->blue)
- {
- /* Background is already in screen gamma */
- *sp = (png_byte)((background->red >> 8) & 0xff);
- *(sp + 1) = (png_byte)(background->red & 0xff);
- *(sp + 2) = (png_byte)((background->green >> 8) & 0xff);
- *(sp + 3) = (png_byte)(background->green & 0xff);
- *(sp + 4) = (png_byte)((background->blue >> 8) & 0xff);
- *(sp + 5) = (png_byte)(background->blue & 0xff);
- }
- else
- {
- png_uint_16 v = gamma_16[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- v = gamma_16[*(sp + 3) >> gamma_shift][*(sp + 2)];
- *(sp + 2) = (png_byte)((v >> 8) & 0xff);
- *(sp + 3) = (png_byte)(v & 0xff);
- v = gamma_16[*(sp + 5) >> gamma_shift][*(sp + 4)];
- *(sp + 4) = (png_byte)((v >> 8) & 0xff);
- *(sp + 5) = (png_byte)(v & 0xff);
- }
- }
- }
- else
-#endif
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp += 6)
- {
- png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp+1));
- png_uint_16 g = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3));
- png_uint_16 b = (png_uint_16)(((*(sp+4)) << 8) + *(sp+5));
-
- if (r == trans_values->red && g == trans_values->green &&
- b == trans_values->blue)
- {
- *sp = (png_byte)((background->red >> 8) & 0xff);
- *(sp + 1) = (png_byte)(background->red & 0xff);
- *(sp + 2) = (png_byte)((background->green >> 8) & 0xff);
- *(sp + 3) = (png_byte)(background->green & 0xff);
- *(sp + 4) = (png_byte)((background->blue >> 8) & 0xff);
- *(sp + 5) = (png_byte)(background->blue & 0xff);
- }
- }
- }
- }
- break;
- }
-
- case PNG_COLOR_TYPE_GRAY_ALPHA:
- {
- if (row_info->bit_depth == 8)
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_to_1 != NULL && gamma_from_1 != NULL &&
- gamma_table != NULL)
- {
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++, sp += 2, dp++)
- {
- png_uint_16 a = *(sp + 1);
-
- if (a == 0xff)
- {
- *dp = gamma_table[*sp];
- }
- else if (a == 0)
- {
- /* Background is already in screen gamma */
- *dp = (png_byte)background->gray;
- }
- else
- {
- png_byte v, w;
-
- v = gamma_to_1[*sp];
- png_composite(w, v, a, background_1->gray);
- *dp = gamma_from_1[w];
- }
- }
- }
- else
-#endif
- {
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++, sp += 2, dp++)
- {
- png_byte a = *(sp + 1);
-
- if (a == 0xff)
- {
- *dp = *sp;
- }
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- else if (a == 0)
- {
- *dp = (png_byte)background->gray;
- }
- else
- {
- png_composite(*dp, *sp, a, background_1->gray);
- }
-#else
- *dp = (png_byte)background->gray;
-#endif
- }
- }
- }
- else /* if (png_ptr->bit_depth == 16) */
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_16 != NULL && gamma_16_from_1 != NULL &&
- gamma_16_to_1 != NULL)
- {
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++, sp += 4, dp += 2)
- {
- png_uint_16 a = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3));
-
- if (a == (png_uint_16)0xffff)
- {
- png_uint_16 v;
-
- v = gamma_16[*(sp + 1) >> gamma_shift][*sp];
- *dp = (png_byte)((v >> 8) & 0xff);
- *(dp + 1) = (png_byte)(v & 0xff);
- }
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- else if (a == 0)
-#else
- else
-#endif
- {
- /* Background is already in screen gamma */
- *dp = (png_byte)((background->gray >> 8) & 0xff);
- *(dp + 1) = (png_byte)(background->gray & 0xff);
- }
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- else
- {
- png_uint_16 g, v, w;
-
- g = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp];
- png_composite_16(v, g, a, background_1->gray);
- w = gamma_16_from_1[(v&0xff) >> gamma_shift][v >> 8];
- *dp = (png_byte)((w >> 8) & 0xff);
- *(dp + 1) = (png_byte)(w & 0xff);
- }
-#endif
- }
- }
- else
-#endif
- {
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++, sp += 4, dp += 2)
- {
- png_uint_16 a = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3));
- if (a == (png_uint_16)0xffff)
- {
- png_memcpy(dp, sp, 2);
- }
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- else if (a == 0)
-#else
- else
-#endif
- {
- *dp = (png_byte)((background->gray >> 8) & 0xff);
- *(dp + 1) = (png_byte)(background->gray & 0xff);
- }
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- else
- {
- png_uint_16 g, v;
-
- g = (png_uint_16)(((*sp) << 8) + *(sp + 1));
- png_composite_16(v, g, a, background_1->gray);
- *dp = (png_byte)((v >> 8) & 0xff);
- *(dp + 1) = (png_byte)(v & 0xff);
- }
-#endif
- }
- }
- }
- break;
- }
-
- case PNG_COLOR_TYPE_RGB_ALPHA:
- {
- if (row_info->bit_depth == 8)
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_to_1 != NULL && gamma_from_1 != NULL &&
- gamma_table != NULL)
- {
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++, sp += 4, dp += 3)
- {
- png_byte a = *(sp + 3);
-
- if (a == 0xff)
- {
- *dp = gamma_table[*sp];
- *(dp + 1) = gamma_table[*(sp + 1)];
- *(dp + 2) = gamma_table[*(sp + 2)];
- }
- else if (a == 0)
- {
- /* Background is already in screen gamma */
- *dp = (png_byte)background->red;
- *(dp + 1) = (png_byte)background->green;
- *(dp + 2) = (png_byte)background->blue;
- }
- else
- {
- png_byte v, w;
-
- v = gamma_to_1[*sp];
- png_composite(w, v, a, background_1->red);
- *dp = gamma_from_1[w];
- v = gamma_to_1[*(sp + 1)];
- png_composite(w, v, a, background_1->green);
- *(dp + 1) = gamma_from_1[w];
- v = gamma_to_1[*(sp + 2)];
- png_composite(w, v, a, background_1->blue);
- *(dp + 2) = gamma_from_1[w];
- }
- }
- }
- else
-#endif
- {
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++, sp += 4, dp += 3)
- {
- png_byte a = *(sp + 3);
-
- if (a == 0xff)
- {
- *dp = *sp;
- *(dp + 1) = *(sp + 1);
- *(dp + 2) = *(sp + 2);
- }
- else if (a == 0)
- {
- *dp = (png_byte)background->red;
- *(dp + 1) = (png_byte)background->green;
- *(dp + 2) = (png_byte)background->blue;
- }
- else
- {
- png_composite(*dp, *sp, a, background->red);
- png_composite(*(dp + 1), *(sp + 1), a,
- background->green);
- png_composite(*(dp + 2), *(sp + 2), a,
- background->blue);
- }
- }
- }
- }
- else /* if (row_info->bit_depth == 16) */
- {
-#if defined(PNG_READ_GAMMA_SUPPORTED)
- if (gamma_16 != NULL && gamma_16_from_1 != NULL &&
- gamma_16_to_1 != NULL)
- {
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++, sp += 8, dp += 6)
- {
- png_uint_16 a = (png_uint_16)(((png_uint_16)(*(sp + 6))
- << 8) + (png_uint_16)(*(sp + 7)));
- if (a == (png_uint_16)0xffff)
- {
- png_uint_16 v;
-
- v = gamma_16[*(sp + 1) >> gamma_shift][*sp];
- *dp = (png_byte)((v >> 8) & 0xff);
- *(dp + 1) = (png_byte)(v & 0xff);
- v = gamma_16[*(sp + 3) >> gamma_shift][*(sp + 2)];
- *(dp + 2) = (png_byte)((v >> 8) & 0xff);
- *(dp + 3) = (png_byte)(v & 0xff);
- v = gamma_16[*(sp + 5) >> gamma_shift][*(sp + 4)];
- *(dp + 4) = (png_byte)((v >> 8) & 0xff);
- *(dp + 5) = (png_byte)(v & 0xff);
- }
- else if (a == 0)
- {
- /* Background is already in screen gamma */
- *dp = (png_byte)((background->red >> 8) & 0xff);
- *(dp + 1) = (png_byte)(background->red & 0xff);
- *(dp + 2) = (png_byte)((background->green >> 8) & 0xff);
- *(dp + 3) = (png_byte)(background->green & 0xff);
- *(dp + 4) = (png_byte)((background->blue >> 8) & 0xff);
- *(dp + 5) = (png_byte)(background->blue & 0xff);
- }
- else
- {
- png_uint_16 v, w, x;
-
- v = gamma_16_to_1[*(sp + 1) >> gamma_shift][*sp];
- png_composite_16(w, v, a, background_1->red);
- x = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8];
- *dp = (png_byte)((x >> 8) & 0xff);
- *(dp + 1) = (png_byte)(x & 0xff);
- v = gamma_16_to_1[*(sp + 3) >> gamma_shift][*(sp + 2)];
- png_composite_16(w, v, a, background_1->green);
- x = gamma_16_from_1[((w&0xff) >> gamma_shift)][w >> 8];
- *(dp + 2) = (png_byte)((x >> 8) & 0xff);
- *(dp + 3) = (png_byte)(x & 0xff);
- v = gamma_16_to_1[*(sp + 5) >> gamma_shift][*(sp + 4)];
- png_composite_16(w, v, a, background_1->blue);
- x = gamma_16_from_1[(w & 0xff) >> gamma_shift][w >> 8];
- *(dp + 4) = (png_byte)((x >> 8) & 0xff);
- *(dp + 5) = (png_byte)(x & 0xff);
- }
- }
- }
- else
-#endif
- {
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++, sp += 8, dp += 6)
- {
- png_uint_16 a = (png_uint_16)(((png_uint_16)(*(sp + 6))
- << 8) + (png_uint_16)(*(sp + 7)));
- if (a == (png_uint_16)0xffff)
- {
- png_memcpy(dp, sp, 6);
- }
- else if (a == 0)
- {
- *dp = (png_byte)((background->red >> 8) & 0xff);
- *(dp + 1) = (png_byte)(background->red & 0xff);
- *(dp + 2) = (png_byte)((background->green >> 8) & 0xff);
- *(dp + 3) = (png_byte)(background->green & 0xff);
- *(dp + 4) = (png_byte)((background->blue >> 8) & 0xff);
- *(dp + 5) = (png_byte)(background->blue & 0xff);
- }
- else
- {
- png_uint_16 v;
-
- png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1));
- png_uint_16 g = (png_uint_16)(((*(sp + 2)) << 8)
- + *(sp + 3));
- png_uint_16 b = (png_uint_16)(((*(sp + 4)) << 8)
- + *(sp + 5));
-
- png_composite_16(v, r, a, background->red);
- *dp = (png_byte)((v >> 8) & 0xff);
- *(dp + 1) = (png_byte)(v & 0xff);
- png_composite_16(v, g, a, background->green);
- *(dp + 2) = (png_byte)((v >> 8) & 0xff);
- *(dp + 3) = (png_byte)(v & 0xff);
- png_composite_16(v, b, a, background->blue);
- *(dp + 4) = (png_byte)((v >> 8) & 0xff);
- *(dp + 5) = (png_byte)(v & 0xff);
- }
- }
- }
- }
- break;
- }
- }
-
- if (row_info->color_type & PNG_COLOR_MASK_ALPHA)
- {
- row_info->color_type &= ~PNG_COLOR_MASK_ALPHA;
- row_info->channels--;
- row_info->pixel_depth = (png_byte)(row_info->channels *
- row_info->bit_depth);
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
- }
- }
-}
-#endif
-
-#if defined(PNG_READ_GAMMA_SUPPORTED)
-/* Gamma correct the image, avoiding the alpha channel. Make sure
- * you do this after you deal with the transparency issue on grayscale
- * or RGB images. If your bit depth is 8, use gamma_table, if it
- * is 16, use gamma_16_table and gamma_shift. Build these with
- * build_gamma_table().
- */
-void /* PRIVATE */
-png_do_gamma(png_row_infop row_info, png_bytep row,
- png_bytep gamma_table, png_uint_16pp gamma_16_table,
- int gamma_shift)
-{
- png_bytep sp;
- png_uint_32 i;
- png_uint_32 row_width=row_info->width;
-
- png_debug(1, "in png_do_gamma");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- ((row_info->bit_depth <= 8 && gamma_table != NULL) ||
- (row_info->bit_depth == 16 && gamma_16_table != NULL)))
- {
- switch (row_info->color_type)
- {
- case PNG_COLOR_TYPE_RGB:
- {
- if (row_info->bit_depth == 8)
- {
- sp = row;
- for (i = 0; i < row_width; i++)
- {
- *sp = gamma_table[*sp];
- sp++;
- *sp = gamma_table[*sp];
- sp++;
- *sp = gamma_table[*sp];
- sp++;
- }
- }
- else /* if (row_info->bit_depth == 16) */
- {
- sp = row;
- for (i = 0; i < row_width; i++)
- {
- png_uint_16 v;
-
- v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- sp += 2;
- v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- sp += 2;
- v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- sp += 2;
- }
- }
- break;
- }
-
- case PNG_COLOR_TYPE_RGB_ALPHA:
- {
- if (row_info->bit_depth == 8)
- {
- sp = row;
- for (i = 0; i < row_width; i++)
- {
- *sp = gamma_table[*sp];
- sp++;
- *sp = gamma_table[*sp];
- sp++;
- *sp = gamma_table[*sp];
- sp++;
- sp++;
- }
- }
- else /* if (row_info->bit_depth == 16) */
- {
- sp = row;
- for (i = 0; i < row_width; i++)
- {
- png_uint_16 v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- sp += 2;
- v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- sp += 2;
- v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- sp += 4;
- }
- }
- break;
- }
-
- case PNG_COLOR_TYPE_GRAY_ALPHA:
- {
- if (row_info->bit_depth == 8)
- {
- sp = row;
- for (i = 0; i < row_width; i++)
- {
- *sp = gamma_table[*sp];
- sp += 2;
- }
- }
- else /* if (row_info->bit_depth == 16) */
- {
- sp = row;
- for (i = 0; i < row_width; i++)
- {
- png_uint_16 v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- sp += 4;
- }
- }
- break;
- }
-
- case PNG_COLOR_TYPE_GRAY:
- {
- if (row_info->bit_depth == 2)
- {
- sp = row;
- for (i = 0; i < row_width; i += 4)
- {
- int a = *sp & 0xc0;
- int b = *sp & 0x30;
- int c = *sp & 0x0c;
- int d = *sp & 0x03;
-
- *sp = (png_byte)(
- ((((int)gamma_table[a|(a>>2)|(a>>4)|(a>>6)]) ) & 0xc0)|
- ((((int)gamma_table[(b<<2)|b|(b>>2)|(b>>4)])>>2) & 0x30)|
- ((((int)gamma_table[(c<<4)|(c<<2)|c|(c>>2)])>>4) & 0x0c)|
- ((((int)gamma_table[(d<<6)|(d<<4)|(d<<2)|d])>>6) ));
- sp++;
- }
- }
-
- if (row_info->bit_depth == 4)
- {
- sp = row;
- for (i = 0; i < row_width; i += 2)
- {
- int msb = *sp & 0xf0;
- int lsb = *sp & 0x0f;
-
- *sp = (png_byte)((((int)gamma_table[msb | (msb >> 4)]) & 0xf0)
- | (((int)gamma_table[(lsb << 4) | lsb]) >> 4));
- sp++;
- }
- }
-
- else if (row_info->bit_depth == 8)
- {
- sp = row;
- for (i = 0; i < row_width; i++)
- {
- *sp = gamma_table[*sp];
- sp++;
- }
- }
-
- else if (row_info->bit_depth == 16)
- {
- sp = row;
- for (i = 0; i < row_width; i++)
- {
- png_uint_16 v = gamma_16_table[*(sp + 1) >> gamma_shift][*sp];
- *sp = (png_byte)((v >> 8) & 0xff);
- *(sp + 1) = (png_byte)(v & 0xff);
- sp += 2;
- }
- }
- break;
- }
- }
- }
-}
-#endif
-
-#if defined(PNG_READ_EXPAND_SUPPORTED)
-/* Expands a palette row to an RGB or RGBA row depending
- * upon whether you supply trans and num_trans.
- */
-void /* PRIVATE */
-png_do_expand_palette(png_row_infop row_info, png_bytep row,
- png_colorp palette, png_bytep trans, int num_trans)
-{
- int shift, value;
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width=row_info->width;
-
- png_debug(1, "in png_do_expand_palette");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- row_info->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- if (row_info->bit_depth < 8)
- {
- switch (row_info->bit_depth)
- {
- case 1:
- {
- sp = row + (png_size_t)((row_width - 1) >> 3);
- dp = row + (png_size_t)row_width - 1;
- shift = 7 - (int)((row_width + 7) & 0x07);
- for (i = 0; i < row_width; i++)
- {
- if ((*sp >> shift) & 0x01)
- *dp = 1;
- else
- *dp = 0;
- if (shift == 7)
- {
- shift = 0;
- sp--;
- }
- else
- shift++;
-
- dp--;
- }
- break;
- }
-
- case 2:
- {
- sp = row + (png_size_t)((row_width - 1) >> 2);
- dp = row + (png_size_t)row_width - 1;
- shift = (int)((3 - ((row_width + 3) & 0x03)) << 1);
- for (i = 0; i < row_width; i++)
- {
- value = (*sp >> shift) & 0x03;
- *dp = (png_byte)value;
- if (shift == 6)
- {
- shift = 0;
- sp--;
- }
- else
- shift += 2;
-
- dp--;
- }
- break;
- }
-
- case 4:
- {
- sp = row + (png_size_t)((row_width - 1) >> 1);
- dp = row + (png_size_t)row_width - 1;
- shift = (int)((row_width & 0x01) << 2);
- for (i = 0; i < row_width; i++)
- {
- value = (*sp >> shift) & 0x0f;
- *dp = (png_byte)value;
- if (shift == 4)
- {
- shift = 0;
- sp--;
- }
- else
- shift += 4;
-
- dp--;
- }
- break;
- }
- }
- row_info->bit_depth = 8;
- row_info->pixel_depth = 8;
- row_info->rowbytes = row_width;
- }
- switch (row_info->bit_depth)
- {
- case 8:
- {
- if (trans != NULL)
- {
- sp = row + (png_size_t)row_width - 1;
- dp = row + (png_size_t)(row_width << 2) - 1;
-
- for (i = 0; i < row_width; i++)
- {
- if ((int)(*sp) >= num_trans)
- *dp-- = 0xff;
- else
- *dp-- = trans[*sp];
- *dp-- = palette[*sp].blue;
- *dp-- = palette[*sp].green;
- *dp-- = palette[*sp].red;
- sp--;
- }
- row_info->bit_depth = 8;
- row_info->pixel_depth = 32;
- row_info->rowbytes = row_width * 4;
- row_info->color_type = 6;
- row_info->channels = 4;
- }
- else
- {
- sp = row + (png_size_t)row_width - 1;
- dp = row + (png_size_t)(row_width * 3) - 1;
-
- for (i = 0; i < row_width; i++)
- {
- *dp-- = palette[*sp].blue;
- *dp-- = palette[*sp].green;
- *dp-- = palette[*sp].red;
- sp--;
- }
-
- row_info->bit_depth = 8;
- row_info->pixel_depth = 24;
- row_info->rowbytes = row_width * 3;
- row_info->color_type = 2;
- row_info->channels = 3;
- }
- break;
- }
- }
- }
-}
-
-/* If the bit depth < 8, it is expanded to 8. Also, if the already
- * expanded transparency value is supplied, an alpha channel is built.
- */
-void /* PRIVATE */
-png_do_expand(png_row_infop row_info, png_bytep row,
- png_color_16p trans_value)
-{
- int shift, value;
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width=row_info->width;
-
- png_debug(1, "in png_do_expand");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL)
-#endif
- {
- if (row_info->color_type == PNG_COLOR_TYPE_GRAY)
- {
- png_uint_16 gray = (png_uint_16)(trans_value ? trans_value->gray : 0);
-
- if (row_info->bit_depth < 8)
- {
- switch (row_info->bit_depth)
- {
- case 1:
- {
- gray = (png_uint_16)((gray&0x01)*0xff);
- sp = row + (png_size_t)((row_width - 1) >> 3);
- dp = row + (png_size_t)row_width - 1;
- shift = 7 - (int)((row_width + 7) & 0x07);
- for (i = 0; i < row_width; i++)
- {
- if ((*sp >> shift) & 0x01)
- *dp = 0xff;
- else
- *dp = 0;
- if (shift == 7)
- {
- shift = 0;
- sp--;
- }
- else
- shift++;
-
- dp--;
- }
- break;
- }
-
- case 2:
- {
- gray = (png_uint_16)((gray&0x03)*0x55);
- sp = row + (png_size_t)((row_width - 1) >> 2);
- dp = row + (png_size_t)row_width - 1;
- shift = (int)((3 - ((row_width + 3) & 0x03)) << 1);
- for (i = 0; i < row_width; i++)
- {
- value = (*sp >> shift) & 0x03;
- *dp = (png_byte)(value | (value << 2) | (value << 4) |
- (value << 6));
- if (shift == 6)
- {
- shift = 0;
- sp--;
- }
- else
- shift += 2;
-
- dp--;
- }
- break;
- }
-
- case 4:
- {
- gray = (png_uint_16)((gray&0x0f)*0x11);
- sp = row + (png_size_t)((row_width - 1) >> 1);
- dp = row + (png_size_t)row_width - 1;
- shift = (int)((1 - ((row_width + 1) & 0x01)) << 2);
- for (i = 0; i < row_width; i++)
- {
- value = (*sp >> shift) & 0x0f;
- *dp = (png_byte)(value | (value << 4));
- if (shift == 4)
- {
- shift = 0;
- sp--;
- }
- else
- shift = 4;
-
- dp--;
- }
- break;
- }
- }
-
- row_info->bit_depth = 8;
- row_info->pixel_depth = 8;
- row_info->rowbytes = row_width;
- }
-
- if (trans_value != NULL)
- {
- if (row_info->bit_depth == 8)
- {
- gray = gray & 0xff;
- sp = row + (png_size_t)row_width - 1;
- dp = row + (png_size_t)(row_width << 1) - 1;
- for (i = 0; i < row_width; i++)
- {
- if (*sp == gray)
- *dp-- = 0;
- else
- *dp-- = 0xff;
- *dp-- = *sp--;
- }
- }
-
- else if (row_info->bit_depth == 16)
- {
- png_byte gray_high = (gray >> 8) & 0xff;
- png_byte gray_low = gray & 0xff;
- sp = row + row_info->rowbytes - 1;
- dp = row + (row_info->rowbytes << 1) - 1;
- for (i = 0; i < row_width; i++)
- {
- if (*(sp - 1) == gray_high && *(sp) == gray_low)
- {
- *dp-- = 0;
- *dp-- = 0;
- }
- else
- {
- *dp-- = 0xff;
- *dp-- = 0xff;
- }
- *dp-- = *sp--;
- *dp-- = *sp--;
- }
- }
-
- row_info->color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
- row_info->channels = 2;
- row_info->pixel_depth = (png_byte)(row_info->bit_depth << 1);
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,
- row_width);
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB && trans_value)
- {
- if (row_info->bit_depth == 8)
- {
- png_byte red = trans_value->red & 0xff;
- png_byte green = trans_value->green & 0xff;
- png_byte blue = trans_value->blue & 0xff;
- sp = row + (png_size_t)row_info->rowbytes - 1;
- dp = row + (png_size_t)(row_width << 2) - 1;
- for (i = 0; i < row_width; i++)
- {
- if (*(sp - 2) == red && *(sp - 1) == green && *(sp) == blue)
- *dp-- = 0;
- else
- *dp-- = 0xff;
- *dp-- = *sp--;
- *dp-- = *sp--;
- *dp-- = *sp--;
- }
- }
- else if (row_info->bit_depth == 16)
- {
- png_byte red_high = (trans_value->red >> 8) & 0xff;
- png_byte green_high = (trans_value->green >> 8) & 0xff;
- png_byte blue_high = (trans_value->blue >> 8) & 0xff;
- png_byte red_low = trans_value->red & 0xff;
- png_byte green_low = trans_value->green & 0xff;
- png_byte blue_low = trans_value->blue & 0xff;
- sp = row + row_info->rowbytes - 1;
- dp = row + (png_size_t)(row_width << 3) - 1;
- for (i = 0; i < row_width; i++)
- {
- if (*(sp - 5) == red_high &&
- *(sp - 4) == red_low &&
- *(sp - 3) == green_high &&
- *(sp - 2) == green_low &&
- *(sp - 1) == blue_high &&
- *(sp ) == blue_low)
- {
- *dp-- = 0;
- *dp-- = 0;
- }
- else
- {
- *dp-- = 0xff;
- *dp-- = 0xff;
- }
- *dp-- = *sp--;
- *dp-- = *sp--;
- *dp-- = *sp--;
- *dp-- = *sp--;
- *dp-- = *sp--;
- *dp-- = *sp--;
- }
- }
- row_info->color_type = PNG_COLOR_TYPE_RGB_ALPHA;
- row_info->channels = 4;
- row_info->pixel_depth = (png_byte)(row_info->bit_depth << 2);
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
- }
- }
-}
-#endif
-
-#if defined(PNG_READ_DITHER_SUPPORTED)
-void /* PRIVATE */
-png_do_dither(png_row_infop row_info, png_bytep row,
- png_bytep palette_lookup, png_bytep dither_lookup)
-{
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width=row_info->width;
-
- png_debug(1, "in png_do_dither");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL)
-#endif
- {
- if (row_info->color_type == PNG_COLOR_TYPE_RGB &&
- palette_lookup && row_info->bit_depth == 8)
- {
- int r, g, b, p;
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++)
- {
- r = *sp++;
- g = *sp++;
- b = *sp++;
-
- /* This looks real messy, but the compiler will reduce
- * it down to a reasonable formula. For example, with
- * 5 bits per color, we get:
- * p = (((r >> 3) & 0x1f) << 10) |
- * (((g >> 3) & 0x1f) << 5) |
- * ((b >> 3) & 0x1f);
- */
- p = (((r >> (8 - PNG_DITHER_RED_BITS)) &
- ((1 << PNG_DITHER_RED_BITS) - 1)) <<
- (PNG_DITHER_GREEN_BITS + PNG_DITHER_BLUE_BITS)) |
- (((g >> (8 - PNG_DITHER_GREEN_BITS)) &
- ((1 << PNG_DITHER_GREEN_BITS) - 1)) <<
- (PNG_DITHER_BLUE_BITS)) |
- ((b >> (8 - PNG_DITHER_BLUE_BITS)) &
- ((1 << PNG_DITHER_BLUE_BITS) - 1));
-
- *dp++ = palette_lookup[p];
- }
- row_info->color_type = PNG_COLOR_TYPE_PALETTE;
- row_info->channels = 1;
- row_info->pixel_depth = row_info->bit_depth;
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&
- palette_lookup != NULL && row_info->bit_depth == 8)
- {
- int r, g, b, p;
- sp = row;
- dp = row;
- for (i = 0; i < row_width; i++)
- {
- r = *sp++;
- g = *sp++;
- b = *sp++;
- sp++;
-
- p = (((r >> (8 - PNG_DITHER_RED_BITS)) &
- ((1 << PNG_DITHER_RED_BITS) - 1)) <<
- (PNG_DITHER_GREEN_BITS + PNG_DITHER_BLUE_BITS)) |
- (((g >> (8 - PNG_DITHER_GREEN_BITS)) &
- ((1 << PNG_DITHER_GREEN_BITS) - 1)) <<
- (PNG_DITHER_BLUE_BITS)) |
- ((b >> (8 - PNG_DITHER_BLUE_BITS)) &
- ((1 << PNG_DITHER_BLUE_BITS) - 1));
-
- *dp++ = palette_lookup[p];
- }
- row_info->color_type = PNG_COLOR_TYPE_PALETTE;
- row_info->channels = 1;
- row_info->pixel_depth = row_info->bit_depth;
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_PALETTE &&
- dither_lookup && row_info->bit_depth == 8)
- {
- sp = row;
- for (i = 0; i < row_width; i++, sp++)
- {
- *sp = dither_lookup[*sp];
- }
- }
- }
-}
-#endif
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-#if defined(PNG_READ_GAMMA_SUPPORTED)
-static PNG_CONST int png_gamma_shift[] =
- {0x10, 0x21, 0x42, 0x84, 0x110, 0x248, 0x550, 0xff0, 0x00};
-
-/* We build the 8- or 16-bit gamma tables here. Note that for 16-bit
- * tables, we don't make a full table if we are reducing to 8-bit in
- * the future. Note also how the gamma_16 tables are segmented so that
- * we don't need to allocate > 64K chunks for a full 16-bit table.
- */
-void /* PRIVATE */
-png_build_gamma_table(png_structp png_ptr)
-{
- png_debug(1, "in png_build_gamma_table");
-
- if (png_ptr->bit_depth <= 8)
- {
- int i;
- double g;
-
- if (png_ptr->screen_gamma > .000001)
- g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
-
- else
- g = 1.0;
-
- png_ptr->gamma_table = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)256);
-
- for (i = 0; i < 256; i++)
- {
- png_ptr->gamma_table[i] = (png_byte)(pow((double)i / 255.0,
- g) * 255.0 + .5);
- }
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \
- defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
- if (png_ptr->transformations & ((PNG_BACKGROUND) | PNG_RGB_TO_GRAY))
- {
-
- g = 1.0 / (png_ptr->gamma);
-
- png_ptr->gamma_to_1 = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)256);
-
- for (i = 0; i < 256; i++)
- {
- png_ptr->gamma_to_1[i] = (png_byte)(pow((double)i / 255.0,
- g) * 255.0 + .5);
- }
-
-
- png_ptr->gamma_from_1 = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)256);
-
- if (png_ptr->screen_gamma > 0.000001)
- g = 1.0 / png_ptr->screen_gamma;
-
- else
- g = png_ptr->gamma; /* Probably doing rgb_to_gray */
-
- for (i = 0; i < 256; i++)
- {
- png_ptr->gamma_from_1[i] = (png_byte)(pow((double)i / 255.0,
- g) * 255.0 + .5);
-
- }
- }
-#endif /* PNG_READ_BACKGROUND_SUPPORTED || PNG_RGB_TO_GRAY_SUPPORTED */
- }
- else
- {
- double g;
- int i, j, shift, num;
- int sig_bit;
- png_uint_32 ig;
-
- if (png_ptr->color_type & PNG_COLOR_MASK_COLOR)
- {
- sig_bit = (int)png_ptr->sig_bit.red;
-
- if ((int)png_ptr->sig_bit.green > sig_bit)
- sig_bit = png_ptr->sig_bit.green;
-
- if ((int)png_ptr->sig_bit.blue > sig_bit)
- sig_bit = png_ptr->sig_bit.blue;
- }
- else
- {
- sig_bit = (int)png_ptr->sig_bit.gray;
- }
-
- if (sig_bit > 0)
- shift = 16 - sig_bit;
-
- else
- shift = 0;
-
- if (png_ptr->transformations & PNG_16_TO_8)
- {
- if (shift < (16 - PNG_MAX_GAMMA_8))
- shift = (16 - PNG_MAX_GAMMA_8);
- }
-
- if (shift > 8)
- shift = 8;
-
- if (shift < 0)
- shift = 0;
-
- png_ptr->gamma_shift = (png_byte)shift;
-
- num = (1 << (8 - shift));
-
- if (png_ptr->screen_gamma > .000001)
- g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
- else
- g = 1.0;
-
- png_ptr->gamma_16_table = (png_uint_16pp)png_malloc(png_ptr,
- (png_uint_32)(num * png_sizeof(png_uint_16p)));
- png_memset(png_ptr->gamma_16_table, 0, num * png_sizeof(png_uint_16p));
-
- if (png_ptr->transformations & (PNG_16_TO_8 | PNG_BACKGROUND))
- {
- double fin, fout;
- png_uint_32 last, max;
-
- for (i = 0; i < num; i++)
- {
- png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr,
- (png_uint_32)(256 * png_sizeof(png_uint_16)));
- }
-
- g = 1.0 / g;
- last = 0;
- for (i = 0; i < 256; i++)
- {
- fout = ((double)i + 0.5) / 256.0;
- fin = pow(fout, g);
- max = (png_uint_32)(fin * (double)((png_uint_32)num << 8));
- while (last <= max)
- {
- png_ptr->gamma_16_table[(int)(last & (0xff >> shift))]
- [(int)(last >> (8 - shift))] = (png_uint_16)(
- (png_uint_16)i | ((png_uint_16)i << 8));
- last++;
- }
- }
- while (last < ((png_uint_32)num << 8))
- {
- png_ptr->gamma_16_table[(int)(last & (0xff >> shift))]
- [(int)(last >> (8 - shift))] = (png_uint_16)65535L;
- last++;
- }
- }
- else
- {
- for (i = 0; i < num; i++)
- {
- png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr,
- (png_uint_32)(256 * png_sizeof(png_uint_16)));
-
- ig = (((png_uint_32)i * (png_uint_32)png_gamma_shift[shift]) >> 4);
-
- for (j = 0; j < 256; j++)
- {
- png_ptr->gamma_16_table[i][j] =
- (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) /
- 65535.0, g) * 65535.0 + .5);
- }
- }
- }
-
-#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \
- defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
- if (png_ptr->transformations & (PNG_BACKGROUND | PNG_RGB_TO_GRAY))
- {
-
- g = 1.0 / (png_ptr->gamma);
-
- png_ptr->gamma_16_to_1 = (png_uint_16pp)png_malloc(png_ptr,
- (png_uint_32)(num * png_sizeof(png_uint_16p )));
- png_memset(png_ptr->gamma_16_to_1, 0, num * png_sizeof(png_uint_16p));
-
- for (i = 0; i < num; i++)
- {
- png_ptr->gamma_16_to_1[i] = (png_uint_16p)png_malloc(png_ptr,
- (png_uint_32)(256 * png_sizeof(png_uint_16)));
-
- ig = (((png_uint_32)i *
- (png_uint_32)png_gamma_shift[shift]) >> 4);
- for (j = 0; j < 256; j++)
- {
- png_ptr->gamma_16_to_1[i][j] =
- (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) /
- 65535.0, g) * 65535.0 + .5);
- }
- }
-
- if (png_ptr->screen_gamma > 0.000001)
- g = 1.0 / png_ptr->screen_gamma;
-
- else
- g = png_ptr->gamma; /* Probably doing rgb_to_gray */
-
- png_ptr->gamma_16_from_1 = (png_uint_16pp)png_malloc(png_ptr,
- (png_uint_32)(num * png_sizeof(png_uint_16p)));
- png_memset(png_ptr->gamma_16_from_1, 0,
- num * png_sizeof(png_uint_16p));
-
- for (i = 0; i < num; i++)
- {
- png_ptr->gamma_16_from_1[i] = (png_uint_16p)png_malloc(png_ptr,
- (png_uint_32)(256 * png_sizeof(png_uint_16)));
-
- ig = (((png_uint_32)i *
- (png_uint_32)png_gamma_shift[shift]) >> 4);
-
- for (j = 0; j < 256; j++)
- {
- png_ptr->gamma_16_from_1[i][j] =
- (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) /
- 65535.0, g) * 65535.0 + .5);
- }
- }
- }
-#endif /* PNG_READ_BACKGROUND_SUPPORTED || PNG_RGB_TO_GRAY_SUPPORTED */
- }
-}
-#endif
-/* To do: install integer version of png_build_gamma_table here */
-#endif
-
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
-/* Undoes intrapixel differencing */
-void /* PRIVATE */
-png_do_read_intrapixel(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_read_intrapixel");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- (row_info->color_type & PNG_COLOR_MASK_COLOR))
- {
- int bytes_per_pixel;
- png_uint_32 row_width = row_info->width;
- if (row_info->bit_depth == 8)
- {
- png_bytep rp;
- png_uint_32 i;
-
- if (row_info->color_type == PNG_COLOR_TYPE_RGB)
- bytes_per_pixel = 3;
-
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- bytes_per_pixel = 4;
-
- else
- return;
-
- for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
- {
- *(rp) = (png_byte)((256 + *rp + *(rp+1))&0xff);
- *(rp+2) = (png_byte)((256 + *(rp+2) + *(rp+1))&0xff);
- }
- }
- else if (row_info->bit_depth == 16)
- {
- png_bytep rp;
- png_uint_32 i;
-
- if (row_info->color_type == PNG_COLOR_TYPE_RGB)
- bytes_per_pixel = 6;
-
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- bytes_per_pixel = 8;
-
- else
- return;
-
- for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
- {
- png_uint_32 s0 = (*(rp ) << 8) | *(rp + 1);
- png_uint_32 s1 = (*(rp + 2) << 8) | *(rp + 3);
- png_uint_32 s2 = (*(rp + 4) << 8) | *(rp + 5);
- png_uint_32 red = (png_uint_32)((s0 + s1 + 65536L) & 0xffffL);
- png_uint_32 blue = (png_uint_32)((s2 + s1 + 65536L) & 0xffffL);
- *(rp ) = (png_byte)((red >> 8) & 0xff);
- *(rp+1) = (png_byte)(red & 0xff);
- *(rp+4) = (png_byte)((blue >> 8) & 0xff);
- *(rp+5) = (png_byte)(blue & 0xff);
- }
- }
- }
-}
-#endif /* PNG_MNG_FEATURES_SUPPORTED */
-#endif /* PNG_READ_SUPPORTED */
+++ /dev/null
-
-/* pngrutil.c - utilities to read a PNG file
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * This file contains routines that are only called from within
- * libpng itself during the course of reading an image.
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED)
-
-#if defined(_WIN32_WCE) && (_WIN32_WCE<0x500)
-# define WIN32_WCE_OLD
-#endif
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-# if defined(WIN32_WCE_OLD)
-/* The strtod() function is not supported on WindowsCE */
-__inline double png_strtod(png_structp png_ptr, PNG_CONST char *nptr, char **endptr)
-{
- double result = 0;
- int len;
- wchar_t *str, *end;
-
- len = MultiByteToWideChar(CP_ACP, 0, nptr, -1, NULL, 0);
- str = (wchar_t *)png_malloc(png_ptr, len * png_sizeof(wchar_t));
- if ( NULL != str )
- {
- MultiByteToWideChar(CP_ACP, 0, nptr, -1, str, len);
- result = wcstod(str, &end);
- len = WideCharToMultiByte(CP_ACP, 0, end, -1, NULL, 0, NULL, NULL);
- *endptr = (char *)nptr + (png_strlen(nptr) - len + 1);
- png_free(png_ptr, str);
- }
- return result;
-}
-# else
-# define png_strtod(p,a,b) strtod(a,b)
-# endif
-#endif
-
-png_uint_32 PNGAPI
-png_get_uint_31(png_structp png_ptr, png_bytep buf)
-{
-#ifdef PNG_READ_BIG_ENDIAN_SUPPORTED
- png_uint_32 i = png_get_uint_32(buf);
-#else
- /* Avoid an extra function call by inlining the result. */
- png_uint_32 i = ((png_uint_32)(*buf) << 24) +
- ((png_uint_32)(*(buf + 1)) << 16) +
- ((png_uint_32)(*(buf + 2)) << 8) +
- (png_uint_32)(*(buf + 3));
-#endif
- if (i > PNG_UINT_31_MAX)
- png_error(png_ptr, "PNG unsigned integer out of range.");
- return (i);
-}
-#ifndef PNG_READ_BIG_ENDIAN_SUPPORTED
-/* Grab an unsigned 32-bit integer from a buffer in big-endian format. */
-png_uint_32 PNGAPI
-png_get_uint_32(png_bytep buf)
-{
- png_uint_32 i = ((png_uint_32)(*buf) << 24) +
- ((png_uint_32)(*(buf + 1)) << 16) +
- ((png_uint_32)(*(buf + 2)) << 8) +
- (png_uint_32)(*(buf + 3));
-
- return (i);
-}
-
-/* Grab a signed 32-bit integer from a buffer in big-endian format. The
- * data is stored in the PNG file in two's complement format, and it is
- * assumed that the machine format for signed integers is the same.
- */
-png_int_32 PNGAPI
-png_get_int_32(png_bytep buf)
-{
- png_int_32 i = ((png_int_32)(*buf) << 24) +
- ((png_int_32)(*(buf + 1)) << 16) +
- ((png_int_32)(*(buf + 2)) << 8) +
- (png_int_32)(*(buf + 3));
-
- return (i);
-}
-
-/* Grab an unsigned 16-bit integer from a buffer in big-endian format. */
-png_uint_16 PNGAPI
-png_get_uint_16(png_bytep buf)
-{
- png_uint_16 i = (png_uint_16)(((png_uint_16)(*buf) << 8) +
- (png_uint_16)(*(buf + 1)));
-
- return (i);
-}
-#endif /* PNG_READ_BIG_ENDIAN_SUPPORTED */
-
-/* Read the chunk header (length + type name).
- * Put the type name into png_ptr->chunk_name, and return the length.
- */
-png_uint_32 /* PRIVATE */
-png_read_chunk_header(png_structp png_ptr)
-{
- png_byte buf[8];
- png_uint_32 length;
-
- /* Read the length and the chunk name */
- png_read_data(png_ptr, buf, 8);
- length = png_get_uint_31(png_ptr, buf);
-
- /* Put the chunk name into png_ptr->chunk_name */
- png_memcpy(png_ptr->chunk_name, buf + 4, 4);
-
- png_debug2(0, "Reading %s chunk, length = %lu",
- png_ptr->chunk_name, length);
-
- /* Reset the crc and run it over the chunk name */
- png_reset_crc(png_ptr);
- png_calculate_crc(png_ptr, png_ptr->chunk_name, 4);
-
- /* Check to see if chunk name is valid */
- png_check_chunk_name(png_ptr, png_ptr->chunk_name);
-
- return length;
-}
-
-/* Read data, and (optionally) run it through the CRC. */
-void /* PRIVATE */
-png_crc_read(png_structp png_ptr, png_bytep buf, png_size_t length)
-{
- if (png_ptr == NULL)
- return;
- png_read_data(png_ptr, buf, length);
- png_calculate_crc(png_ptr, buf, length);
-}
-
-/* Optionally skip data and then check the CRC. Depending on whether we
- * are reading a ancillary or critical chunk, and how the program has set
- * things up, we may calculate the CRC on the data and print a message.
- * Returns '1' if there was a CRC error, '0' otherwise.
- */
-int /* PRIVATE */
-png_crc_finish(png_structp png_ptr, png_uint_32 skip)
-{
- png_size_t i;
- png_size_t istop = png_ptr->zbuf_size;
-
- for (i = (png_size_t)skip; i > istop; i -= istop)
- {
- png_crc_read(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size);
- }
- if (i)
- {
- png_crc_read(png_ptr, png_ptr->zbuf, i);
- }
-
- if (png_crc_error(png_ptr))
- {
- if (((png_ptr->chunk_name[0] & 0x20) && /* Ancillary */
- !(png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN)) ||
- (!(png_ptr->chunk_name[0] & 0x20) && /* Critical */
- (png_ptr->flags & PNG_FLAG_CRC_CRITICAL_USE)))
- {
- png_chunk_warning(png_ptr, "CRC error");
- }
- else
- {
- png_chunk_error(png_ptr, "CRC error");
- }
- return (1);
- }
-
- return (0);
-}
-
-/* Compare the CRC stored in the PNG file with that calculated by libpng from
- * the data it has read thus far.
- */
-int /* PRIVATE */
-png_crc_error(png_structp png_ptr)
-{
- png_byte crc_bytes[4];
- png_uint_32 crc;
- int need_crc = 1;
-
- if (png_ptr->chunk_name[0] & 0x20) /* ancillary */
- {
- if ((png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_MASK) ==
- (PNG_FLAG_CRC_ANCILLARY_USE | PNG_FLAG_CRC_ANCILLARY_NOWARN))
- need_crc = 0;
- }
- else /* critical */
- {
- if (png_ptr->flags & PNG_FLAG_CRC_CRITICAL_IGNORE)
- need_crc = 0;
- }
-
- png_read_data(png_ptr, crc_bytes, 4);
-
- if (need_crc)
- {
- crc = png_get_uint_32(crc_bytes);
- return ((int)(crc != png_ptr->crc));
- }
- else
- return (0);
-}
-
-#if defined(PNG_READ_zTXt_SUPPORTED) || defined(PNG_READ_iTXt_SUPPORTED) || \
- defined(PNG_READ_iCCP_SUPPORTED)
-/*
- * Decompress trailing data in a chunk. The assumption is that chunkdata
- * points at an allocated area holding the contents of a chunk with a
- * trailing compressed part. What we get back is an allocated area
- * holding the original prefix part and an uncompressed version of the
- * trailing part (the malloc area passed in is freed).
- */
-void /* PRIVATE */
-png_decompress_chunk(png_structp png_ptr, int comp_type,
- png_size_t chunklength,
- png_size_t prefix_size, png_size_t *newlength)
-{
- static PNG_CONST char msg[] = "Error decoding compressed text";
- png_charp text;
- png_size_t text_size;
-
- if (comp_type == PNG_COMPRESSION_TYPE_BASE)
- {
- int ret = Z_OK;
- png_ptr->zstream.next_in = (png_bytep)(png_ptr->chunkdata + prefix_size);
- png_ptr->zstream.avail_in = (uInt)(chunklength - prefix_size);
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
-
- text_size = 0;
- text = NULL;
-
- while (png_ptr->zstream.avail_in)
- {
- ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
- if (ret != Z_OK && ret != Z_STREAM_END)
- {
- if (png_ptr->zstream.msg != NULL)
- png_warning(png_ptr, png_ptr->zstream.msg);
- else
- png_warning(png_ptr, msg);
- inflateReset(&png_ptr->zstream);
- png_ptr->zstream.avail_in = 0;
-
- if (text == NULL)
- {
- text_size = prefix_size + png_sizeof(msg) + 1;
- text = (png_charp)png_malloc_warn(png_ptr, text_size);
- if (text == NULL)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_error(png_ptr, "Not enough memory to decompress chunk");
- }
- png_memcpy(text, png_ptr->chunkdata, prefix_size);
- }
-
- text[text_size - 1] = 0x00;
-
- /* Copy what we can of the error message into the text chunk */
- text_size = (png_size_t)(chunklength -
- (text - png_ptr->chunkdata) - 1);
- if (text_size > png_sizeof(msg))
- text_size = png_sizeof(msg);
- png_memcpy(text + prefix_size, msg, text_size);
- break;
- }
- if (!png_ptr->zstream.avail_out || ret == Z_STREAM_END)
- {
- if (text == NULL)
- {
- text_size = prefix_size +
- png_ptr->zbuf_size - png_ptr->zstream.avail_out;
- text = (png_charp)png_malloc_warn(png_ptr, text_size + 1);
- if (text == NULL)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_error(png_ptr,
- "Not enough memory to decompress chunk.");
- }
- png_memcpy(text + prefix_size, png_ptr->zbuf,
- text_size - prefix_size);
- png_memcpy(text, png_ptr->chunkdata, prefix_size);
- *(text + text_size) = 0x00;
- }
- else
- {
- png_charp tmp;
-
- tmp = text;
- text = (png_charp)png_malloc_warn(png_ptr,
- (png_uint_32)(text_size +
- png_ptr->zbuf_size - png_ptr->zstream.avail_out + 1));
- if (text == NULL)
- {
- png_free(png_ptr, tmp);
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_error(png_ptr,
- "Not enough memory to decompress chunk..");
- }
- png_memcpy(text, tmp, text_size);
- png_free(png_ptr, tmp);
- png_memcpy(text + text_size, png_ptr->zbuf,
- (png_ptr->zbuf_size - png_ptr->zstream.avail_out));
- text_size += png_ptr->zbuf_size - png_ptr->zstream.avail_out;
- *(text + text_size) = 0x00;
- }
- if (ret == Z_STREAM_END)
- break;
- else
- {
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- }
- }
- }
- if (ret != Z_STREAM_END)
- {
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- char umsg[52];
-
- if (ret == Z_BUF_ERROR)
- png_snprintf(umsg, 52,
- "Buffer error in compressed datastream in %s chunk",
- png_ptr->chunk_name);
-
- else if (ret == Z_DATA_ERROR)
- png_snprintf(umsg, 52,
- "Data error in compressed datastream in %s chunk",
- png_ptr->chunk_name);
-
- else
- png_snprintf(umsg, 52,
- "Incomplete compressed datastream in %s chunk",
- png_ptr->chunk_name);
-
- png_warning(png_ptr, umsg);
-#else
- png_warning(png_ptr,
- "Incomplete compressed datastream in chunk other than IDAT");
-#endif
- text_size = prefix_size;
- if (text == NULL)
- {
- text = (png_charp)png_malloc_warn(png_ptr, text_size+1);
- if (text == NULL)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_error(png_ptr, "Not enough memory for text.");
- }
- png_memcpy(text, png_ptr->chunkdata, prefix_size);
- }
- *(text + text_size) = 0x00;
- }
-
- inflateReset(&png_ptr->zstream);
- png_ptr->zstream.avail_in = 0;
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = text;
- *newlength=text_size;
- }
- else /* if (comp_type != PNG_COMPRESSION_TYPE_BASE) */
- {
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- char umsg[50];
-
- png_snprintf(umsg, 50, "Unknown zTXt compression type %d", comp_type);
- png_warning(png_ptr, umsg);
-#else
- png_warning(png_ptr, "Unknown zTXt compression type");
-#endif
-
- *(png_ptr->chunkdata + prefix_size) = 0x00;
- *newlength = prefix_size;
- }
-}
-#endif
-
-/* Read and check the IDHR chunk */
-void /* PRIVATE */
-png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_byte buf[13];
- png_uint_32 width, height;
- int bit_depth, color_type, compression_type, filter_type;
- int interlace_type;
-
- png_debug(1, "in png_handle_IHDR");
-
- if (png_ptr->mode & PNG_HAVE_IHDR)
- png_error(png_ptr, "Out of place IHDR");
-
- /* Check the length */
- if (length != 13)
- png_error(png_ptr, "Invalid IHDR chunk");
-
- png_ptr->mode |= PNG_HAVE_IHDR;
-
- png_crc_read(png_ptr, buf, 13);
- png_crc_finish(png_ptr, 0);
-
- width = png_get_uint_31(png_ptr, buf);
- height = png_get_uint_31(png_ptr, buf + 4);
- bit_depth = buf[8];
- color_type = buf[9];
- compression_type = buf[10];
- filter_type = buf[11];
- interlace_type = buf[12];
-
- /* Set internal variables */
- png_ptr->width = width;
- png_ptr->height = height;
- png_ptr->bit_depth = (png_byte)bit_depth;
- png_ptr->interlaced = (png_byte)interlace_type;
- png_ptr->color_type = (png_byte)color_type;
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- png_ptr->filter_type = (png_byte)filter_type;
-#endif
- png_ptr->compression_type = (png_byte)compression_type;
-
- /* Find number of channels */
- switch (png_ptr->color_type)
- {
- case PNG_COLOR_TYPE_GRAY:
- case PNG_COLOR_TYPE_PALETTE:
- png_ptr->channels = 1;
- break;
-
- case PNG_COLOR_TYPE_RGB:
- png_ptr->channels = 3;
- break;
-
- case PNG_COLOR_TYPE_GRAY_ALPHA:
- png_ptr->channels = 2;
- break;
-
- case PNG_COLOR_TYPE_RGB_ALPHA:
- png_ptr->channels = 4;
- break;
- }
-
- /* Set up other useful info */
- png_ptr->pixel_depth = (png_byte)(png_ptr->bit_depth *
- png_ptr->channels);
- png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->width);
- png_debug1(3, "bit_depth = %d", png_ptr->bit_depth);
- png_debug1(3, "channels = %d", png_ptr->channels);
- png_debug1(3, "rowbytes = %lu", png_ptr->rowbytes);
- png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth,
- color_type, interlace_type, compression_type, filter_type);
-}
-
-/* Read and check the palette */
-void /* PRIVATE */
-png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_color palette[PNG_MAX_PALETTE_LENGTH];
- int num, i;
-#ifndef PNG_NO_POINTER_INDEXING
- png_colorp pal_ptr;
-#endif
-
- png_debug(1, "in png_handle_PLTE");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before PLTE");
-
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid PLTE after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- else if (png_ptr->mode & PNG_HAVE_PLTE)
- png_error(png_ptr, "Duplicate PLTE chunk");
-
- png_ptr->mode |= PNG_HAVE_PLTE;
-
- if (!(png_ptr->color_type&PNG_COLOR_MASK_COLOR))
- {
- png_warning(png_ptr,
- "Ignoring PLTE chunk in grayscale PNG");
- png_crc_finish(png_ptr, length);
- return;
- }
-#if !defined(PNG_READ_OPT_PLTE_SUPPORTED)
- if (png_ptr->color_type != PNG_COLOR_TYPE_PALETTE)
- {
- png_crc_finish(png_ptr, length);
- return;
- }
-#endif
-
- if (length > 3*PNG_MAX_PALETTE_LENGTH || length % 3)
- {
- if (png_ptr->color_type != PNG_COLOR_TYPE_PALETTE)
- {
- png_warning(png_ptr, "Invalid palette chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- else
- {
- png_error(png_ptr, "Invalid palette chunk");
- }
- }
-
- num = (int)length / 3;
-
-#ifndef PNG_NO_POINTER_INDEXING
- for (i = 0, pal_ptr = palette; i < num; i++, pal_ptr++)
- {
- png_byte buf[3];
-
- png_crc_read(png_ptr, buf, 3);
- pal_ptr->red = buf[0];
- pal_ptr->green = buf[1];
- pal_ptr->blue = buf[2];
- }
-#else
- for (i = 0; i < num; i++)
- {
- png_byte buf[3];
-
- png_crc_read(png_ptr, buf, 3);
- /* Don't depend upon png_color being any order */
- palette[i].red = buf[0];
- palette[i].green = buf[1];
- palette[i].blue = buf[2];
- }
-#endif
-
- /* If we actually NEED the PLTE chunk (ie for a paletted image), we do
- * whatever the normal CRC configuration tells us. However, if we
- * have an RGB image, the PLTE can be considered ancillary, so
- * we will act as though it is.
- */
-#if !defined(PNG_READ_OPT_PLTE_SUPPORTED)
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
-#endif
- {
- png_crc_finish(png_ptr, 0);
- }
-#if !defined(PNG_READ_OPT_PLTE_SUPPORTED)
- else if (png_crc_error(png_ptr)) /* Only if we have a CRC error */
- {
- /* If we don't want to use the data from an ancillary chunk,
- we have two options: an error abort, or a warning and we
- ignore the data in this chunk (which should be OK, since
- it's considered ancillary for a RGB or RGBA image). */
- if (!(png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_USE))
- {
- if (png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN)
- {
- png_chunk_error(png_ptr, "CRC error");
- }
- else
- {
- png_chunk_warning(png_ptr, "CRC error");
- return;
- }
- }
- /* Otherwise, we (optionally) emit a warning and use the chunk. */
- else if (!(png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN))
- {
- png_chunk_warning(png_ptr, "CRC error");
- }
- }
-#endif
-
- png_set_PLTE(png_ptr, info_ptr, palette, num);
-
-#if defined(PNG_READ_tRNS_SUPPORTED)
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS))
- {
- if (png_ptr->num_trans > (png_uint_16)num)
- {
- png_warning(png_ptr, "Truncating incorrect tRNS chunk length");
- png_ptr->num_trans = (png_uint_16)num;
- }
- if (info_ptr->num_trans > (png_uint_16)num)
- {
- png_warning(png_ptr, "Truncating incorrect info tRNS chunk length");
- info_ptr->num_trans = (png_uint_16)num;
- }
- }
- }
-#endif
-
-}
-
-void /* PRIVATE */
-png_handle_IEND(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_debug(1, "in png_handle_IEND");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR) || !(png_ptr->mode & PNG_HAVE_IDAT))
- {
- png_error(png_ptr, "No image in file");
- }
-
- png_ptr->mode |= (PNG_AFTER_IDAT | PNG_HAVE_IEND);
-
- if (length != 0)
- {
- png_warning(png_ptr, "Incorrect IEND chunk length");
- }
- png_crc_finish(png_ptr, length);
-
- info_ptr = info_ptr; /* Quiet compiler warnings about unused info_ptr */
-}
-
-#if defined(PNG_READ_gAMA_SUPPORTED)
-void /* PRIVATE */
-png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_fixed_point igamma;
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- float file_gamma;
-#endif
- png_byte buf[4];
-
- png_debug(1, "in png_handle_gAMA");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before gAMA");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid gAMA after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (png_ptr->mode & PNG_HAVE_PLTE)
- /* Should be an error, but we can cope with it */
- png_warning(png_ptr, "Out of place gAMA chunk");
-
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
-#if defined(PNG_READ_sRGB_SUPPORTED)
- && !(info_ptr->valid & PNG_INFO_sRGB)
-#endif
- )
- {
- png_warning(png_ptr, "Duplicate gAMA chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (length != 4)
- {
- png_warning(png_ptr, "Incorrect gAMA chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, 4);
- if (png_crc_finish(png_ptr, 0))
- return;
-
- igamma = (png_fixed_point)png_get_uint_32(buf);
- /* Check for zero gamma */
- if (igamma == 0)
- {
- png_warning(png_ptr,
- "Ignoring gAMA chunk with gamma=0");
- return;
- }
-
-#if defined(PNG_READ_sRGB_SUPPORTED)
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB))
- if (PNG_OUT_OF_RANGE(igamma, 45500L, 500))
- {
- png_warning(png_ptr,
- "Ignoring incorrect gAMA value when sRGB is also present");
-#ifndef PNG_NO_CONSOLE_IO
- fprintf(stderr, "gamma = (%d/100000)", (int)igamma);
-#endif
- return;
- }
-#endif /* PNG_READ_sRGB_SUPPORTED */
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- file_gamma = (float)igamma / (float)100000.0;
-# ifdef PNG_READ_GAMMA_SUPPORTED
- png_ptr->gamma = file_gamma;
-# endif
- png_set_gAMA(png_ptr, info_ptr, file_gamma);
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_set_gAMA_fixed(png_ptr, info_ptr, igamma);
-#endif
-}
-#endif
-
-#if defined(PNG_READ_sBIT_SUPPORTED)
-void /* PRIVATE */
-png_handle_sBIT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_size_t truelen;
- png_byte buf[4];
-
- png_debug(1, "in png_handle_sBIT");
-
- buf[0] = buf[1] = buf[2] = buf[3] = 0;
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before sBIT");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid sBIT after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (png_ptr->mode & PNG_HAVE_PLTE)
- {
- /* Should be an error, but we can cope with it */
- png_warning(png_ptr, "Out of place sBIT chunk");
- }
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sBIT))
- {
- png_warning(png_ptr, "Duplicate sBIT chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- truelen = 3;
- else
- truelen = (png_size_t)png_ptr->channels;
-
- if (length != truelen || length > 4)
- {
- png_warning(png_ptr, "Incorrect sBIT chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, truelen);
- if (png_crc_finish(png_ptr, 0))
- return;
-
- if (png_ptr->color_type & PNG_COLOR_MASK_COLOR)
- {
- png_ptr->sig_bit.red = buf[0];
- png_ptr->sig_bit.green = buf[1];
- png_ptr->sig_bit.blue = buf[2];
- png_ptr->sig_bit.alpha = buf[3];
- }
- else
- {
- png_ptr->sig_bit.gray = buf[0];
- png_ptr->sig_bit.red = buf[0];
- png_ptr->sig_bit.green = buf[0];
- png_ptr->sig_bit.blue = buf[0];
- png_ptr->sig_bit.alpha = buf[1];
- }
- png_set_sBIT(png_ptr, info_ptr, &(png_ptr->sig_bit));
-}
-#endif
-
-#if defined(PNG_READ_cHRM_SUPPORTED)
-void /* PRIVATE */
-png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_byte buf[32];
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- float white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y;
-#endif
- png_fixed_point int_x_white, int_y_white, int_x_red, int_y_red, int_x_green,
- int_y_green, int_x_blue, int_y_blue;
-
- png_uint_32 uint_x, uint_y;
-
- png_debug(1, "in png_handle_cHRM");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before cHRM");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid cHRM after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (png_ptr->mode & PNG_HAVE_PLTE)
- /* Should be an error, but we can cope with it */
- png_warning(png_ptr, "Missing PLTE before cHRM");
-
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM)
-#if defined(PNG_READ_sRGB_SUPPORTED)
- && !(info_ptr->valid & PNG_INFO_sRGB)
-#endif
- )
- {
- png_warning(png_ptr, "Duplicate cHRM chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (length != 32)
- {
- png_warning(png_ptr, "Incorrect cHRM chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, 32);
- if (png_crc_finish(png_ptr, 0))
- return;
-
- uint_x = png_get_uint_32(buf);
- uint_y = png_get_uint_32(buf + 4);
- int_x_white = (png_fixed_point)uint_x;
- int_y_white = (png_fixed_point)uint_y;
-
- uint_x = png_get_uint_32(buf + 8);
- uint_y = png_get_uint_32(buf + 12);
- int_x_red = (png_fixed_point)uint_x;
- int_y_red = (png_fixed_point)uint_y;
-
- uint_x = png_get_uint_32(buf + 16);
- uint_y = png_get_uint_32(buf + 20);
- int_x_green = (png_fixed_point)uint_x;
- int_y_green = (png_fixed_point)uint_y;
-
- uint_x = png_get_uint_32(buf + 24);
- uint_y = png_get_uint_32(buf + 28);
- int_x_blue = (png_fixed_point)uint_x;
- int_y_blue = (png_fixed_point)uint_y;
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- white_x = (float)int_x_white / (float)100000.0;
- white_y = (float)int_y_white / (float)100000.0;
- red_x = (float)int_x_red / (float)100000.0;
- red_y = (float)int_y_red / (float)100000.0;
- green_x = (float)int_x_green / (float)100000.0;
- green_y = (float)int_y_green / (float)100000.0;
- blue_x = (float)int_x_blue / (float)100000.0;
- blue_y = (float)int_y_blue / (float)100000.0;
-#endif
-
-#if defined(PNG_READ_sRGB_SUPPORTED)
- if ((info_ptr != NULL) && (info_ptr->valid & PNG_INFO_sRGB))
- {
- if (PNG_OUT_OF_RANGE(int_x_white, 31270, 1000) ||
- PNG_OUT_OF_RANGE(int_y_white, 32900, 1000) ||
- PNG_OUT_OF_RANGE(int_x_red, 64000L, 1000) ||
- PNG_OUT_OF_RANGE(int_y_red, 33000, 1000) ||
- PNG_OUT_OF_RANGE(int_x_green, 30000, 1000) ||
- PNG_OUT_OF_RANGE(int_y_green, 60000L, 1000) ||
- PNG_OUT_OF_RANGE(int_x_blue, 15000, 1000) ||
- PNG_OUT_OF_RANGE(int_y_blue, 6000, 1000))
- {
- png_warning(png_ptr,
- "Ignoring incorrect cHRM value when sRGB is also present");
-#ifndef PNG_NO_CONSOLE_IO
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- fprintf(stderr, "wx=%f, wy=%f, rx=%f, ry=%f\n",
- white_x, white_y, red_x, red_y);
- fprintf(stderr, "gx=%f, gy=%f, bx=%f, by=%f\n",
- green_x, green_y, blue_x, blue_y);
-#else
- fprintf(stderr, "wx=%ld, wy=%ld, rx=%ld, ry=%ld\n",
- int_x_white, int_y_white, int_x_red, int_y_red);
- fprintf(stderr, "gx=%ld, gy=%ld, bx=%ld, by=%ld\n",
- int_x_green, int_y_green, int_x_blue, int_y_blue);
-#endif
-#endif /* PNG_NO_CONSOLE_IO */
- }
- return;
- }
-#endif /* PNG_READ_sRGB_SUPPORTED */
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- png_set_cHRM(png_ptr, info_ptr,
- white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y);
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_set_cHRM_fixed(png_ptr, info_ptr,
- int_x_white, int_y_white, int_x_red, int_y_red, int_x_green,
- int_y_green, int_x_blue, int_y_blue);
-#endif
-}
-#endif
-
-#if defined(PNG_READ_sRGB_SUPPORTED)
-void /* PRIVATE */
-png_handle_sRGB(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- int intent;
- png_byte buf[1];
-
- png_debug(1, "in png_handle_sRGB");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before sRGB");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid sRGB after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (png_ptr->mode & PNG_HAVE_PLTE)
- /* Should be an error, but we can cope with it */
- png_warning(png_ptr, "Out of place sRGB chunk");
-
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB))
- {
- png_warning(png_ptr, "Duplicate sRGB chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (length != 1)
- {
- png_warning(png_ptr, "Incorrect sRGB chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, 1);
- if (png_crc_finish(png_ptr, 0))
- return;
-
- intent = buf[0];
- /* Check for bad intent */
- if (intent >= PNG_sRGB_INTENT_LAST)
- {
- png_warning(png_ptr, "Unknown sRGB intent");
- return;
- }
-
-#if defined(PNG_READ_gAMA_SUPPORTED) && defined(PNG_READ_GAMMA_SUPPORTED)
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA))
- {
- png_fixed_point igamma;
-#ifdef PNG_FIXED_POINT_SUPPORTED
- igamma=info_ptr->int_gamma;
-#else
-# ifdef PNG_FLOATING_POINT_SUPPORTED
- igamma=(png_fixed_point)(info_ptr->gamma * 100000.);
-# endif
-#endif
- if (PNG_OUT_OF_RANGE(igamma, 45500L, 500))
- {
- png_warning(png_ptr,
- "Ignoring incorrect gAMA value when sRGB is also present");
-#ifndef PNG_NO_CONSOLE_IO
-# ifdef PNG_FIXED_POINT_SUPPORTED
- fprintf(stderr, "incorrect gamma=(%d/100000)\n",
- (int)png_ptr->int_gamma);
-# else
-# ifdef PNG_FLOATING_POINT_SUPPORTED
- fprintf(stderr, "incorrect gamma=%f\n", png_ptr->gamma);
-# endif
-# endif
-#endif
- }
- }
-#endif /* PNG_READ_gAMA_SUPPORTED */
-
-#ifdef PNG_READ_cHRM_SUPPORTED
-#ifdef PNG_FIXED_POINT_SUPPORTED
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM))
- if (PNG_OUT_OF_RANGE(info_ptr->int_x_white, 31270, 1000) ||
- PNG_OUT_OF_RANGE(info_ptr->int_y_white, 32900, 1000) ||
- PNG_OUT_OF_RANGE(info_ptr->int_x_red, 64000L, 1000) ||
- PNG_OUT_OF_RANGE(info_ptr->int_y_red, 33000, 1000) ||
- PNG_OUT_OF_RANGE(info_ptr->int_x_green, 30000, 1000) ||
- PNG_OUT_OF_RANGE(info_ptr->int_y_green, 60000L, 1000) ||
- PNG_OUT_OF_RANGE(info_ptr->int_x_blue, 15000, 1000) ||
- PNG_OUT_OF_RANGE(info_ptr->int_y_blue, 6000, 1000))
- {
- png_warning(png_ptr,
- "Ignoring incorrect cHRM value when sRGB is also present");
- }
-#endif /* PNG_FIXED_POINT_SUPPORTED */
-#endif /* PNG_READ_cHRM_SUPPORTED */
-
- png_set_sRGB_gAMA_and_cHRM(png_ptr, info_ptr, intent);
-}
-#endif /* PNG_READ_sRGB_SUPPORTED */
-
-#if defined(PNG_READ_iCCP_SUPPORTED)
-void /* PRIVATE */
-png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-/* Note: this does not properly handle chunks that are > 64K under DOS */
-{
- png_byte compression_type;
- png_bytep pC;
- png_charp profile;
- png_uint_32 skip = 0;
- png_uint_32 profile_size, profile_length;
- png_size_t slength, prefix_length, data_length;
-
- png_debug(1, "in png_handle_iCCP");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before iCCP");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid iCCP after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (png_ptr->mode & PNG_HAVE_PLTE)
- /* Should be an error, but we can cope with it */
- png_warning(png_ptr, "Out of place iCCP chunk");
-
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP))
- {
- png_warning(png_ptr, "Duplicate iCCP chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
-#ifdef PNG_MAX_MALLOC_64K
- if (length > (png_uint_32)65535L)
- {
- png_warning(png_ptr, "iCCP chunk too large to fit in memory");
- skip = length - (png_uint_32)65535L;
- length = (png_uint_32)65535L;
- }
-#endif
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = (png_charp)png_malloc(png_ptr, length + 1);
- slength = (png_size_t)length;
- png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength);
-
- if (png_crc_finish(png_ptr, skip))
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- png_ptr->chunkdata[slength] = 0x00;
-
- for (profile = png_ptr->chunkdata; *profile; profile++)
- /* Empty loop to find end of name */ ;
-
- ++profile;
-
- /* There should be at least one zero (the compression type byte)
- * following the separator, and we should be on it
- */
- if ( profile >= png_ptr->chunkdata + slength - 1)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_warning(png_ptr, "Malformed iCCP chunk");
- return;
- }
-
- /* Compression_type should always be zero */
- compression_type = *profile++;
- if (compression_type)
- {
- png_warning(png_ptr, "Ignoring nonzero compression type in iCCP chunk");
- compression_type = 0x00; /* Reset it to zero (libpng-1.0.6 through 1.0.8
- wrote nonzero) */
- }
-
- prefix_length = profile - png_ptr->chunkdata;
- png_decompress_chunk(png_ptr, compression_type,
- slength, prefix_length, &data_length);
-
- profile_length = data_length - prefix_length;
-
- if ( prefix_length > data_length || profile_length < 4)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_warning(png_ptr, "Profile size field missing from iCCP chunk");
- return;
- }
-
- /* Check the profile_size recorded in the first 32 bits of the ICC profile */
- pC = (png_bytep)(png_ptr->chunkdata + prefix_length);
- profile_size = ((*(pC ))<<24) |
- ((*(pC + 1))<<16) |
- ((*(pC + 2))<< 8) |
- ((*(pC + 3)) );
-
- if (profile_size < profile_length)
- profile_length = profile_size;
-
- if (profile_size > profile_length)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_warning(png_ptr, "Ignoring truncated iCCP profile.");
- return;
- }
-
- png_set_iCCP(png_ptr, info_ptr, png_ptr->chunkdata,
- compression_type, png_ptr->chunkdata + prefix_length, profile_length);
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
-}
-#endif /* PNG_READ_iCCP_SUPPORTED */
-
-#if defined(PNG_READ_sPLT_SUPPORTED)
-void /* PRIVATE */
-png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-/* Note: this does not properly handle chunks that are > 64K under DOS */
-{
- png_bytep entry_start;
- png_sPLT_t new_palette;
-#ifdef PNG_NO_POINTER_INDEXING
- png_sPLT_entryp pp;
-#endif
- int data_length, entry_size, i;
- png_uint_32 skip = 0;
- png_size_t slength;
-
- png_debug(1, "in png_handle_sPLT");
-
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before sPLT");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid sPLT after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
-
-#ifdef PNG_MAX_MALLOC_64K
- if (length > (png_uint_32)65535L)
- {
- png_warning(png_ptr, "sPLT chunk too large to fit in memory");
- skip = length - (png_uint_32)65535L;
- length = (png_uint_32)65535L;
- }
-#endif
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = (png_charp)png_malloc(png_ptr, length + 1);
- slength = (png_size_t)length;
- png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength);
-
- if (png_crc_finish(png_ptr, skip))
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- png_ptr->chunkdata[slength] = 0x00;
-
- for (entry_start = (png_bytep)png_ptr->chunkdata; *entry_start; entry_start++)
- /* Empty loop to find end of name */ ;
- ++entry_start;
-
- /* A sample depth should follow the separator, and we should be on it */
- if (entry_start > (png_bytep)png_ptr->chunkdata + slength - 2)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_warning(png_ptr, "malformed sPLT chunk");
- return;
- }
-
- new_palette.depth = *entry_start++;
- entry_size = (new_palette.depth == 8 ? 6 : 10);
- data_length = (slength - (entry_start - (png_bytep)png_ptr->chunkdata));
-
- /* Integrity-check the data length */
- if (data_length % entry_size)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_warning(png_ptr, "sPLT chunk has bad length");
- return;
- }
-
- new_palette.nentries = (png_int_32) ( data_length / entry_size);
- if ((png_uint_32) new_palette.nentries >
- (png_uint_32) (PNG_SIZE_MAX / png_sizeof(png_sPLT_entry)))
- {
- png_warning(png_ptr, "sPLT chunk too long");
- return;
- }
- new_palette.entries = (png_sPLT_entryp)png_malloc_warn(
- png_ptr, new_palette.nentries * png_sizeof(png_sPLT_entry));
- if (new_palette.entries == NULL)
- {
- png_warning(png_ptr, "sPLT chunk requires too much memory");
- return;
- }
-
-#ifndef PNG_NO_POINTER_INDEXING
- for (i = 0; i < new_palette.nentries; i++)
- {
- png_sPLT_entryp pp = new_palette.entries + i;
-
- if (new_palette.depth == 8)
- {
- pp->red = *entry_start++;
- pp->green = *entry_start++;
- pp->blue = *entry_start++;
- pp->alpha = *entry_start++;
- }
- else
- {
- pp->red = png_get_uint_16(entry_start); entry_start += 2;
- pp->green = png_get_uint_16(entry_start); entry_start += 2;
- pp->blue = png_get_uint_16(entry_start); entry_start += 2;
- pp->alpha = png_get_uint_16(entry_start); entry_start += 2;
- }
- pp->frequency = png_get_uint_16(entry_start); entry_start += 2;
- }
-#else
- pp = new_palette.entries;
- for (i = 0; i < new_palette.nentries; i++)
- {
-
- if (new_palette.depth == 8)
- {
- pp[i].red = *entry_start++;
- pp[i].green = *entry_start++;
- pp[i].blue = *entry_start++;
- pp[i].alpha = *entry_start++;
- }
- else
- {
- pp[i].red = png_get_uint_16(entry_start); entry_start += 2;
- pp[i].green = png_get_uint_16(entry_start); entry_start += 2;
- pp[i].blue = png_get_uint_16(entry_start); entry_start += 2;
- pp[i].alpha = png_get_uint_16(entry_start); entry_start += 2;
- }
- pp->frequency = png_get_uint_16(entry_start); entry_start += 2;
- }
-#endif
-
- /* Discard all chunk data except the name and stash that */
- new_palette.name = png_ptr->chunkdata;
-
- png_set_sPLT(png_ptr, info_ptr, &new_palette, 1);
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_free(png_ptr, new_palette.entries);
-}
-#endif /* PNG_READ_sPLT_SUPPORTED */
-
-#if defined(PNG_READ_tRNS_SUPPORTED)
-void /* PRIVATE */
-png_handle_tRNS(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_byte readbuf[PNG_MAX_PALETTE_LENGTH];
-
- png_debug(1, "in png_handle_tRNS");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before tRNS");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid tRNS after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS))
- {
- png_warning(png_ptr, "Duplicate tRNS chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY)
- {
- png_byte buf[2];
-
- if (length != 2)
- {
- png_warning(png_ptr, "Incorrect tRNS chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, 2);
- png_ptr->num_trans = 1;
- png_ptr->trans_values.gray = png_get_uint_16(buf);
- }
- else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
- {
- png_byte buf[6];
-
- if (length != 6)
- {
- png_warning(png_ptr, "Incorrect tRNS chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
- png_crc_read(png_ptr, buf, (png_size_t)length);
- png_ptr->num_trans = 1;
- png_ptr->trans_values.red = png_get_uint_16(buf);
- png_ptr->trans_values.green = png_get_uint_16(buf + 2);
- png_ptr->trans_values.blue = png_get_uint_16(buf + 4);
- }
- else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- if (!(png_ptr->mode & PNG_HAVE_PLTE))
- {
- /* Should be an error, but we can cope with it. */
- png_warning(png_ptr, "Missing PLTE before tRNS");
- }
- if (length > (png_uint_32)png_ptr->num_palette ||
- length > PNG_MAX_PALETTE_LENGTH)
- {
- png_warning(png_ptr, "Incorrect tRNS chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
- if (length == 0)
- {
- png_warning(png_ptr, "Zero length tRNS chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
- png_crc_read(png_ptr, readbuf, (png_size_t)length);
- png_ptr->num_trans = (png_uint_16)length;
- }
- else
- {
- png_warning(png_ptr, "tRNS chunk not allowed with alpha channel");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (png_crc_finish(png_ptr, 0))
- {
- png_ptr->num_trans = 0;
- return;
- }
-
- png_set_tRNS(png_ptr, info_ptr, readbuf, png_ptr->num_trans,
- &(png_ptr->trans_values));
-}
-#endif
-
-#if defined(PNG_READ_bKGD_SUPPORTED)
-void /* PRIVATE */
-png_handle_bKGD(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_size_t truelen;
- png_byte buf[6];
-
- png_debug(1, "in png_handle_bKGD");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before bKGD");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid bKGD after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
- !(png_ptr->mode & PNG_HAVE_PLTE))
- {
- png_warning(png_ptr, "Missing PLTE before bKGD");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_bKGD))
- {
- png_warning(png_ptr, "Duplicate bKGD chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- truelen = 1;
- else if (png_ptr->color_type & PNG_COLOR_MASK_COLOR)
- truelen = 6;
- else
- truelen = 2;
-
- if (length != truelen)
- {
- png_warning(png_ptr, "Incorrect bKGD chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, truelen);
- if (png_crc_finish(png_ptr, 0))
- return;
-
- /* We convert the index value into RGB components so that we can allow
- * arbitrary RGB values for background when we have transparency, and
- * so it is easy to determine the RGB values of the background color
- * from the info_ptr struct. */
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- png_ptr->background.index = buf[0];
- if (info_ptr && info_ptr->num_palette)
- {
- if (buf[0] >= info_ptr->num_palette)
- {
- png_warning(png_ptr, "Incorrect bKGD chunk index value");
- return;
- }
- png_ptr->background.red =
- (png_uint_16)png_ptr->palette[buf[0]].red;
- png_ptr->background.green =
- (png_uint_16)png_ptr->palette[buf[0]].green;
- png_ptr->background.blue =
- (png_uint_16)png_ptr->palette[buf[0]].blue;
- }
- }
- else if (!(png_ptr->color_type & PNG_COLOR_MASK_COLOR)) /* GRAY */
- {
- png_ptr->background.red =
- png_ptr->background.green =
- png_ptr->background.blue =
- png_ptr->background.gray = png_get_uint_16(buf);
- }
- else
- {
- png_ptr->background.red = png_get_uint_16(buf);
- png_ptr->background.green = png_get_uint_16(buf + 2);
- png_ptr->background.blue = png_get_uint_16(buf + 4);
- }
-
- png_set_bKGD(png_ptr, info_ptr, &(png_ptr->background));
-}
-#endif
-
-#if defined(PNG_READ_hIST_SUPPORTED)
-void /* PRIVATE */
-png_handle_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- unsigned int num, i;
- png_uint_16 readbuf[PNG_MAX_PALETTE_LENGTH];
-
- png_debug(1, "in png_handle_hIST");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before hIST");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid hIST after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (!(png_ptr->mode & PNG_HAVE_PLTE))
- {
- png_warning(png_ptr, "Missing PLTE before hIST");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST))
- {
- png_warning(png_ptr, "Duplicate hIST chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- num = length / 2 ;
- if (num != (unsigned int) png_ptr->num_palette || num >
- (unsigned int) PNG_MAX_PALETTE_LENGTH)
- {
- png_warning(png_ptr, "Incorrect hIST chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- for (i = 0; i < num; i++)
- {
- png_byte buf[2];
-
- png_crc_read(png_ptr, buf, 2);
- readbuf[i] = png_get_uint_16(buf);
- }
-
- if (png_crc_finish(png_ptr, 0))
- return;
-
- png_set_hIST(png_ptr, info_ptr, readbuf);
-}
-#endif
-
-#if defined(PNG_READ_pHYs_SUPPORTED)
-void /* PRIVATE */
-png_handle_pHYs(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_byte buf[9];
- png_uint_32 res_x, res_y;
- int unit_type;
-
- png_debug(1, "in png_handle_pHYs");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before pHYs");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid pHYs after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_pHYs))
- {
- png_warning(png_ptr, "Duplicate pHYs chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (length != 9)
- {
- png_warning(png_ptr, "Incorrect pHYs chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, 9);
- if (png_crc_finish(png_ptr, 0))
- return;
-
- res_x = png_get_uint_32(buf);
- res_y = png_get_uint_32(buf + 4);
- unit_type = buf[8];
- png_set_pHYs(png_ptr, info_ptr, res_x, res_y, unit_type);
-}
-#endif
-
-#if defined(PNG_READ_oFFs_SUPPORTED)
-void /* PRIVATE */
-png_handle_oFFs(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_byte buf[9];
- png_int_32 offset_x, offset_y;
- int unit_type;
-
- png_debug(1, "in png_handle_oFFs");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before oFFs");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid oFFs after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_oFFs))
- {
- png_warning(png_ptr, "Duplicate oFFs chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (length != 9)
- {
- png_warning(png_ptr, "Incorrect oFFs chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, 9);
- if (png_crc_finish(png_ptr, 0))
- return;
-
- offset_x = png_get_int_32(buf);
- offset_y = png_get_int_32(buf + 4);
- unit_type = buf[8];
- png_set_oFFs(png_ptr, info_ptr, offset_x, offset_y, unit_type);
-}
-#endif
-
-#if defined(PNG_READ_pCAL_SUPPORTED)
-/* Read the pCAL chunk (described in the PNG Extensions document) */
-void /* PRIVATE */
-png_handle_pCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_int_32 X0, X1;
- png_byte type, nparams;
- png_charp buf, units, endptr;
- png_charpp params;
- png_size_t slength;
- int i;
-
- png_debug(1, "in png_handle_pCAL");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before pCAL");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid pCAL after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_pCAL))
- {
- png_warning(png_ptr, "Duplicate pCAL chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_debug1(2, "Allocating and reading pCAL chunk data (%lu bytes)",
- length + 1);
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1);
- if (png_ptr->chunkdata == NULL)
- {
- png_warning(png_ptr, "No memory for pCAL purpose.");
- return;
- }
- slength = (png_size_t)length;
- png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength);
-
- if (png_crc_finish(png_ptr, 0))
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- png_ptr->chunkdata[slength] = 0x00; /* Null terminate the last string */
-
- png_debug(3, "Finding end of pCAL purpose string");
- for (buf = png_ptr->chunkdata; *buf; buf++)
- /* Empty loop */ ;
-
- endptr = png_ptr->chunkdata + slength;
-
- /* We need to have at least 12 bytes after the purpose string
- in order to get the parameter information. */
- if (endptr <= buf + 12)
- {
- png_warning(png_ptr, "Invalid pCAL data");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- png_debug(3, "Reading pCAL X0, X1, type, nparams, and units");
- X0 = png_get_int_32((png_bytep)buf+1);
- X1 = png_get_int_32((png_bytep)buf+5);
- type = buf[9];
- nparams = buf[10];
- units = buf + 11;
-
- png_debug(3, "Checking pCAL equation type and number of parameters");
- /* Check that we have the right number of parameters for known
- equation types. */
- if ((type == PNG_EQUATION_LINEAR && nparams != 2) ||
- (type == PNG_EQUATION_BASE_E && nparams != 3) ||
- (type == PNG_EQUATION_ARBITRARY && nparams != 3) ||
- (type == PNG_EQUATION_HYPERBOLIC && nparams != 4))
- {
- png_warning(png_ptr, "Invalid pCAL parameters for equation type");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
- else if (type >= PNG_EQUATION_LAST)
- {
- png_warning(png_ptr, "Unrecognized equation type for pCAL chunk");
- }
-
- for (buf = units; *buf; buf++)
- /* Empty loop to move past the units string. */ ;
-
- png_debug(3, "Allocating pCAL parameters array");
- params = (png_charpp)png_malloc_warn(png_ptr,
- (png_uint_32)(nparams * png_sizeof(png_charp))) ;
- if (params == NULL)
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_warning(png_ptr, "No memory for pCAL params.");
- return;
- }
-
- /* Get pointers to the start of each parameter string. */
- for (i = 0; i < (int)nparams; i++)
- {
- buf++; /* Skip the null string terminator from previous parameter. */
-
- png_debug1(3, "Reading pCAL parameter %d", i);
- for (params[i] = buf; buf <= endptr && *buf != 0x00; buf++)
- /* Empty loop to move past each parameter string */ ;
-
- /* Make sure we haven't run out of data yet */
- if (buf > endptr)
- {
- png_warning(png_ptr, "Invalid pCAL data");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_free(png_ptr, params);
- return;
- }
- }
-
- png_set_pCAL(png_ptr, info_ptr, png_ptr->chunkdata, X0, X1, type, nparams,
- units, params);
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_free(png_ptr, params);
-}
-#endif
-
-#if defined(PNG_READ_sCAL_SUPPORTED)
-/* Read the sCAL chunk */
-void /* PRIVATE */
-png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_charp ep;
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- double width, height;
- png_charp vp;
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_charp swidth, sheight;
-#endif
-#endif
- png_size_t slength;
-
- png_debug(1, "in png_handle_sCAL");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before sCAL");
- else if (png_ptr->mode & PNG_HAVE_IDAT)
- {
- png_warning(png_ptr, "Invalid sCAL after IDAT");
- png_crc_finish(png_ptr, length);
- return;
- }
- else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sCAL))
- {
- png_warning(png_ptr, "Duplicate sCAL chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_debug1(2, "Allocating and reading sCAL chunk data (%lu bytes)",
- length + 1);
- png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1);
- if (png_ptr->chunkdata == NULL)
- {
- png_warning(png_ptr, "Out of memory while processing sCAL chunk");
- return;
- }
- slength = (png_size_t)length;
- png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength);
-
- if (png_crc_finish(png_ptr, 0))
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- png_ptr->chunkdata[slength] = 0x00; /* Null terminate the last string */
-
- ep = png_ptr->chunkdata + 1; /* Skip unit byte */
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- width = png_strtod(png_ptr, ep, &vp);
- if (*vp)
- {
- png_warning(png_ptr, "malformed width string in sCAL chunk");
- return;
- }
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
- swidth = (png_charp)png_malloc_warn(png_ptr, png_strlen(ep) + 1);
- if (swidth == NULL)
- {
- png_warning(png_ptr, "Out of memory while processing sCAL chunk width");
- return;
- }
- png_memcpy(swidth, ep, (png_size_t)png_strlen(ep));
-#endif
-#endif
-
- for (ep = png_ptr->chunkdata; *ep; ep++)
- /* Empty loop */ ;
- ep++;
-
- if (png_ptr->chunkdata + slength < ep)
- {
- png_warning(png_ptr, "Truncated sCAL chunk");
-#if defined(PNG_FIXED_POINT_SUPPORTED) && \
- !defined(PNG_FLOATING_POINT_SUPPORTED)
- png_free(png_ptr, swidth);
-#endif
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- height = png_strtod(png_ptr, ep, &vp);
- if (*vp)
- {
- png_warning(png_ptr, "malformed height string in sCAL chunk");
- return;
- }
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
- sheight = (png_charp)png_malloc_warn(png_ptr, png_strlen(ep) + 1);
- if (sheight == NULL)
- {
- png_warning(png_ptr, "Out of memory while processing sCAL chunk height");
- return;
- }
- png_memcpy(sheight, ep, (png_size_t)png_strlen(ep));
-#endif
-#endif
-
- if (png_ptr->chunkdata + slength < ep
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- || width <= 0. || height <= 0.
-#endif
- )
- {
- png_warning(png_ptr, "Invalid sCAL data");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
-#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED)
- png_free(png_ptr, swidth);
- png_free(png_ptr, sheight);
-#endif
- return;
- }
-
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- png_set_sCAL(png_ptr, info_ptr, png_ptr->chunkdata[0], width, height);
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_set_sCAL_s(png_ptr, info_ptr, png_ptr->chunkdata[0], swidth, sheight);
-#endif
-#endif
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
-#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED)
- png_free(png_ptr, swidth);
- png_free(png_ptr, sheight);
-#endif
-}
-#endif
-
-#if defined(PNG_READ_tIME_SUPPORTED)
-void /* PRIVATE */
-png_handle_tIME(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_byte buf[7];
- png_time mod_time;
-
- png_debug(1, "in png_handle_tIME");
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Out of place tIME chunk");
- else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_tIME))
- {
- png_warning(png_ptr, "Duplicate tIME chunk");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- if (png_ptr->mode & PNG_HAVE_IDAT)
- png_ptr->mode |= PNG_AFTER_IDAT;
-
- if (length != 7)
- {
- png_warning(png_ptr, "Incorrect tIME chunk length");
- png_crc_finish(png_ptr, length);
- return;
- }
-
- png_crc_read(png_ptr, buf, 7);
- if (png_crc_finish(png_ptr, 0))
- return;
-
- mod_time.second = buf[6];
- mod_time.minute = buf[5];
- mod_time.hour = buf[4];
- mod_time.day = buf[3];
- mod_time.month = buf[2];
- mod_time.year = png_get_uint_16(buf);
-
- png_set_tIME(png_ptr, info_ptr, &mod_time);
-}
-#endif
-
-#if defined(PNG_READ_tEXt_SUPPORTED)
-/* Note: this does not properly handle chunks that are > 64K under DOS */
-void /* PRIVATE */
-png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_textp text_ptr;
- png_charp key;
- png_charp text;
- png_uint_32 skip = 0;
- png_size_t slength;
- int ret;
-
- png_debug(1, "in png_handle_tEXt");
-
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before tEXt");
-
- if (png_ptr->mode & PNG_HAVE_IDAT)
- png_ptr->mode |= PNG_AFTER_IDAT;
-
-#ifdef PNG_MAX_MALLOC_64K
- if (length > (png_uint_32)65535L)
- {
- png_warning(png_ptr, "tEXt chunk too large to fit in memory");
- skip = length - (png_uint_32)65535L;
- length = (png_uint_32)65535L;
- }
-#endif
-
- png_free(png_ptr, png_ptr->chunkdata);
-
- png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1);
- if (png_ptr->chunkdata == NULL)
- {
- png_warning(png_ptr, "No memory to process text chunk.");
- return;
- }
- slength = (png_size_t)length;
- png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength);
-
- if (png_crc_finish(png_ptr, skip))
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- key = png_ptr->chunkdata;
-
- key[slength] = 0x00;
-
- for (text = key; *text; text++)
- /* Empty loop to find end of key */ ;
-
- if (text != key + slength)
- text++;
-
- text_ptr = (png_textp)png_malloc_warn(png_ptr,
- (png_uint_32)png_sizeof(png_text));
- if (text_ptr == NULL)
- {
- png_warning(png_ptr, "Not enough memory to process text chunk.");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
- text_ptr->compression = PNG_TEXT_COMPRESSION_NONE;
- text_ptr->key = key;
-#ifdef PNG_iTXt_SUPPORTED
- text_ptr->lang = NULL;
- text_ptr->lang_key = NULL;
- text_ptr->itxt_length = 0;
-#endif
- text_ptr->text = text;
- text_ptr->text_length = png_strlen(text);
-
- ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- png_free(png_ptr, text_ptr);
- if (ret)
- png_warning(png_ptr, "Insufficient memory to process text chunk.");
-}
-#endif
-
-#if defined(PNG_READ_zTXt_SUPPORTED)
-/* Note: this does not correctly handle chunks that are > 64K under DOS */
-void /* PRIVATE */
-png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_textp text_ptr;
- png_charp text;
- int comp_type;
- int ret;
- png_size_t slength, prefix_len, data_len;
-
- png_debug(1, "in png_handle_zTXt");
-
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before zTXt");
-
- if (png_ptr->mode & PNG_HAVE_IDAT)
- png_ptr->mode |= PNG_AFTER_IDAT;
-
-#ifdef PNG_MAX_MALLOC_64K
- /* We will no doubt have problems with chunks even half this size, but
- there is no hard and fast rule to tell us where to stop. */
- if (length > (png_uint_32)65535L)
- {
- png_warning(png_ptr, "zTXt chunk too large to fit in memory");
- png_crc_finish(png_ptr, length);
- return;
- }
-#endif
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1);
- if (png_ptr->chunkdata == NULL)
- {
- png_warning(png_ptr, "Out of memory processing zTXt chunk.");
- return;
- }
- slength = (png_size_t)length;
- png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength);
- if (png_crc_finish(png_ptr, 0))
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- png_ptr->chunkdata[slength] = 0x00;
-
- for (text = png_ptr->chunkdata; *text; text++)
- /* Empty loop */ ;
-
- /* zTXt must have some text after the chunkdataword */
- if (text >= png_ptr->chunkdata + slength - 2)
- {
- png_warning(png_ptr, "Truncated zTXt chunk");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
- else
- {
- comp_type = *(++text);
- if (comp_type != PNG_TEXT_COMPRESSION_zTXt)
- {
- png_warning(png_ptr, "Unknown compression type in zTXt chunk");
- comp_type = PNG_TEXT_COMPRESSION_zTXt;
- }
- text++; /* Skip the compression_method byte */
- }
- prefix_len = text - png_ptr->chunkdata;
-
- png_decompress_chunk(png_ptr, comp_type,
- (png_size_t)length, prefix_len, &data_len);
-
- text_ptr = (png_textp)png_malloc_warn(png_ptr,
- (png_uint_32)png_sizeof(png_text));
- if (text_ptr == NULL)
- {
- png_warning(png_ptr, "Not enough memory to process zTXt chunk.");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
- text_ptr->compression = comp_type;
- text_ptr->key = png_ptr->chunkdata;
-#ifdef PNG_iTXt_SUPPORTED
- text_ptr->lang = NULL;
- text_ptr->lang_key = NULL;
- text_ptr->itxt_length = 0;
-#endif
- text_ptr->text = png_ptr->chunkdata + prefix_len;
- text_ptr->text_length = data_len;
-
- ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
-
- png_free(png_ptr, text_ptr);
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- if (ret)
- png_error(png_ptr, "Insufficient memory to store zTXt chunk.");
-}
-#endif
-
-#if defined(PNG_READ_iTXt_SUPPORTED)
-/* Note: this does not correctly handle chunks that are > 64K under DOS */
-void /* PRIVATE */
-png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_textp text_ptr;
- png_charp key, lang, text, lang_key;
- int comp_flag;
- int comp_type = 0;
- int ret;
- png_size_t slength, prefix_len, data_len;
-
- png_debug(1, "in png_handle_iTXt");
-
-
- if (!(png_ptr->mode & PNG_HAVE_IHDR))
- png_error(png_ptr, "Missing IHDR before iTXt");
-
- if (png_ptr->mode & PNG_HAVE_IDAT)
- png_ptr->mode |= PNG_AFTER_IDAT;
-
-#ifdef PNG_MAX_MALLOC_64K
- /* We will no doubt have problems with chunks even half this size, but
- there is no hard and fast rule to tell us where to stop. */
- if (length > (png_uint_32)65535L)
- {
- png_warning(png_ptr, "iTXt chunk too large to fit in memory");
- png_crc_finish(png_ptr, length);
- return;
- }
-#endif
-
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1);
- if (png_ptr->chunkdata == NULL)
- {
- png_warning(png_ptr, "No memory to process iTXt chunk.");
- return;
- }
- slength = (png_size_t)length;
- png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength);
- if (png_crc_finish(png_ptr, 0))
- {
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- png_ptr->chunkdata[slength] = 0x00;
-
- for (lang = png_ptr->chunkdata; *lang; lang++)
- /* Empty loop */ ;
- lang++; /* Skip NUL separator */
-
- /* iTXt must have a language tag (possibly empty), two compression bytes,
- * translated keyword (possibly empty), and possibly some text after the
- * keyword
- */
-
- if (lang >= png_ptr->chunkdata + slength - 3)
- {
- png_warning(png_ptr, "Truncated iTXt chunk");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
- else
- {
- comp_flag = *lang++;
- comp_type = *lang++;
- }
-
- for (lang_key = lang; *lang_key; lang_key++)
- /* Empty loop */ ;
- lang_key++; /* Skip NUL separator */
-
- if (lang_key >= png_ptr->chunkdata + slength)
- {
- png_warning(png_ptr, "Truncated iTXt chunk");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- for (text = lang_key; *text; text++)
- /* Empty loop */ ;
- text++; /* Skip NUL separator */
- if (text >= png_ptr->chunkdata + slength)
- {
- png_warning(png_ptr, "Malformed iTXt chunk");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
-
- prefix_len = text - png_ptr->chunkdata;
-
- key=png_ptr->chunkdata;
- if (comp_flag)
- png_decompress_chunk(png_ptr, comp_type,
- (size_t)length, prefix_len, &data_len);
- else
- data_len = png_strlen(png_ptr->chunkdata + prefix_len);
- text_ptr = (png_textp)png_malloc_warn(png_ptr,
- (png_uint_32)png_sizeof(png_text));
- if (text_ptr == NULL)
- {
- png_warning(png_ptr, "Not enough memory to process iTXt chunk.");
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- return;
- }
- text_ptr->compression = (int)comp_flag + 1;
- text_ptr->lang_key = png_ptr->chunkdata + (lang_key - key);
- text_ptr->lang = png_ptr->chunkdata + (lang - key);
- text_ptr->itxt_length = data_len;
- text_ptr->text_length = 0;
- text_ptr->key = png_ptr->chunkdata;
- text_ptr->text = png_ptr->chunkdata + prefix_len;
-
- ret = png_set_text_2(png_ptr, info_ptr, text_ptr, 1);
-
- png_free(png_ptr, text_ptr);
- png_free(png_ptr, png_ptr->chunkdata);
- png_ptr->chunkdata = NULL;
- if (ret)
- png_error(png_ptr, "Insufficient memory to store iTXt chunk.");
-}
-#endif
-
-/* This function is called when we haven't found a handler for a
- chunk. If there isn't a problem with the chunk itself (ie bad
- chunk name, CRC, or a critical chunk), the chunk is silently ignored
- -- unless the PNG_FLAG_UNKNOWN_CHUNKS_SUPPORTED flag is on in which
- case it will be saved away to be written out later. */
-void /* PRIVATE */
-png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
-{
- png_uint_32 skip = 0;
-
- png_debug(1, "in png_handle_unknown");
-
-
- if (png_ptr->mode & PNG_HAVE_IDAT)
- {
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_CONST PNG_IDAT;
-#endif
- if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) /* Not an IDAT */
- png_ptr->mode |= PNG_AFTER_IDAT;
- }
-
- if (!(png_ptr->chunk_name[0] & 0x20))
- {
-#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
- if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) !=
- PNG_HANDLE_CHUNK_ALWAYS
-#if defined(PNG_READ_USER_CHUNKS_SUPPORTED)
- && png_ptr->read_user_chunk_fn == NULL
-#endif
- )
-#endif
- png_chunk_error(png_ptr, "unknown critical chunk");
- }
-
-#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
- if ((png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS) ||
- (png_ptr->read_user_chunk_fn != NULL))
- {
-#ifdef PNG_MAX_MALLOC_64K
- if (length > (png_uint_32)65535L)
- {
- png_warning(png_ptr, "unknown chunk too large to fit in memory");
- skip = length - (png_uint_32)65535L;
- length = (png_uint_32)65535L;
- }
-#endif
- png_memcpy((png_charp)png_ptr->unknown_chunk.name,
- (png_charp)png_ptr->chunk_name,
- png_sizeof(png_ptr->unknown_chunk.name));
- png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name)-1] = '\0';
- png_ptr->unknown_chunk.size = (png_size_t)length;
- if (length == 0)
- png_ptr->unknown_chunk.data = NULL;
- else
- {
- png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, length);
- png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length);
- }
-#if defined(PNG_READ_USER_CHUNKS_SUPPORTED)
- if (png_ptr->read_user_chunk_fn != NULL)
- {
- /* Callback to user unknown chunk handler */
- int ret;
- ret = (*(png_ptr->read_user_chunk_fn))
- (png_ptr, &png_ptr->unknown_chunk);
- if (ret < 0)
- png_chunk_error(png_ptr, "error in user chunk");
- if (ret == 0)
- {
- if (!(png_ptr->chunk_name[0] & 0x20))
- if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) !=
- PNG_HANDLE_CHUNK_ALWAYS)
- png_chunk_error(png_ptr, "unknown critical chunk");
- png_set_unknown_chunks(png_ptr, info_ptr,
- &png_ptr->unknown_chunk, 1);
- }
- }
- else
-#endif
- png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1);
- png_free(png_ptr, png_ptr->unknown_chunk.data);
- png_ptr->unknown_chunk.data = NULL;
- }
- else
-#endif
- skip = length;
-
- png_crc_finish(png_ptr, skip);
-
-#if !defined(PNG_READ_USER_CHUNKS_SUPPORTED)
- info_ptr = info_ptr; /* Quiet compiler warnings about unused info_ptr */
-#endif
-}
-
-/* This function is called to verify that a chunk name is valid.
- This function can't have the "critical chunk check" incorporated
- into it, since in the future we will need to be able to call user
- functions to handle unknown critical chunks after we check that
- the chunk name itself is valid. */
-
-#define isnonalpha(c) ((c) < 65 || (c) > 122 || ((c) > 90 && (c) < 97))
-
-void /* PRIVATE */
-png_check_chunk_name(png_structp png_ptr, png_bytep chunk_name)
-{
- png_debug(1, "in png_check_chunk_name");
- if (isnonalpha(chunk_name[0]) || isnonalpha(chunk_name[1]) ||
- isnonalpha(chunk_name[2]) || isnonalpha(chunk_name[3]))
- {
- png_chunk_error(png_ptr, "invalid chunk type");
- }
-}
-
-/* Combines the row recently read in with the existing pixels in the
- row. This routine takes care of alpha and transparency if requested.
- This routine also handles the two methods of progressive display
- of interlaced images, depending on the mask value.
- The mask value describes which pixels are to be combined with
- the row. The pattern always repeats every 8 pixels, so just 8
- bits are needed. A one indicates the pixel is to be combined,
- a zero indicates the pixel is to be skipped. This is in addition
- to any alpha or transparency value associated with the pixel. If
- you want all pixels to be combined, pass 0xff (255) in mask. */
-
-void /* PRIVATE */
-png_combine_row(png_structp png_ptr, png_bytep row, int mask)
-{
- png_debug(1, "in png_combine_row");
- if (mask == 0xff)
- {
- png_memcpy(row, png_ptr->row_buf + 1,
- PNG_ROWBYTES(png_ptr->row_info.pixel_depth, png_ptr->width));
- }
- else
- {
- switch (png_ptr->row_info.pixel_depth)
- {
- case 1:
- {
- png_bytep sp = png_ptr->row_buf + 1;
- png_bytep dp = row;
- int s_inc, s_start, s_end;
- int m = 0x80;
- int shift;
- png_uint_32 i;
- png_uint_32 row_width = png_ptr->width;
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_PACKSWAP)
- {
- s_start = 0;
- s_end = 7;
- s_inc = 1;
- }
- else
-#endif
- {
- s_start = 7;
- s_end = 0;
- s_inc = -1;
- }
-
- shift = s_start;
-
- for (i = 0; i < row_width; i++)
- {
- if (m & mask)
- {
- int value;
-
- value = (*sp >> shift) & 0x01;
- *dp &= (png_byte)((0x7f7f >> (7 - shift)) & 0xff);
- *dp |= (png_byte)(value << shift);
- }
-
- if (shift == s_end)
- {
- shift = s_start;
- sp++;
- dp++;
- }
- else
- shift += s_inc;
-
- if (m == 1)
- m = 0x80;
- else
- m >>= 1;
- }
- break;
- }
- case 2:
- {
- png_bytep sp = png_ptr->row_buf + 1;
- png_bytep dp = row;
- int s_start, s_end, s_inc;
- int m = 0x80;
- int shift;
- png_uint_32 i;
- png_uint_32 row_width = png_ptr->width;
- int value;
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_PACKSWAP)
- {
- s_start = 0;
- s_end = 6;
- s_inc = 2;
- }
- else
-#endif
- {
- s_start = 6;
- s_end = 0;
- s_inc = -2;
- }
-
- shift = s_start;
-
- for (i = 0; i < row_width; i++)
- {
- if (m & mask)
- {
- value = (*sp >> shift) & 0x03;
- *dp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff);
- *dp |= (png_byte)(value << shift);
- }
-
- if (shift == s_end)
- {
- shift = s_start;
- sp++;
- dp++;
- }
- else
- shift += s_inc;
- if (m == 1)
- m = 0x80;
- else
- m >>= 1;
- }
- break;
- }
- case 4:
- {
- png_bytep sp = png_ptr->row_buf + 1;
- png_bytep dp = row;
- int s_start, s_end, s_inc;
- int m = 0x80;
- int shift;
- png_uint_32 i;
- png_uint_32 row_width = png_ptr->width;
- int value;
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_PACKSWAP)
- {
- s_start = 0;
- s_end = 4;
- s_inc = 4;
- }
- else
-#endif
- {
- s_start = 4;
- s_end = 0;
- s_inc = -4;
- }
- shift = s_start;
-
- for (i = 0; i < row_width; i++)
- {
- if (m & mask)
- {
- value = (*sp >> shift) & 0xf;
- *dp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff);
- *dp |= (png_byte)(value << shift);
- }
-
- if (shift == s_end)
- {
- shift = s_start;
- sp++;
- dp++;
- }
- else
- shift += s_inc;
- if (m == 1)
- m = 0x80;
- else
- m >>= 1;
- }
- break;
- }
- default:
- {
- png_bytep sp = png_ptr->row_buf + 1;
- png_bytep dp = row;
- png_size_t pixel_bytes = (png_ptr->row_info.pixel_depth >> 3);
- png_uint_32 i;
- png_uint_32 row_width = png_ptr->width;
- png_byte m = 0x80;
-
-
- for (i = 0; i < row_width; i++)
- {
- if (m & mask)
- {
- png_memcpy(dp, sp, pixel_bytes);
- }
-
- sp += pixel_bytes;
- dp += pixel_bytes;
-
- if (m == 1)
- m = 0x80;
- else
- m >>= 1;
- }
- break;
- }
- }
- }
-}
-
-#ifdef PNG_READ_INTERLACING_SUPPORTED
-/* OLD pre-1.0.9 interface:
-void png_do_read_interlace(png_row_infop row_info, png_bytep row, int pass,
- png_uint_32 transformations)
- */
-void /* PRIVATE */
-png_do_read_interlace(png_structp png_ptr)
-{
- png_row_infop row_info = &(png_ptr->row_info);
- png_bytep row = png_ptr->row_buf + 1;
- int pass = png_ptr->pass;
- png_uint_32 transformations = png_ptr->transformations;
-#ifdef PNG_USE_LOCAL_ARRAYS
- /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
- /* Offset to next interlace block */
- PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
-#endif
-
- png_debug(1, "in png_do_read_interlace");
- if (row != NULL && row_info != NULL)
- {
- png_uint_32 final_width;
-
- final_width = row_info->width * png_pass_inc[pass];
-
- switch (row_info->pixel_depth)
- {
- case 1:
- {
- png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 3);
- png_bytep dp = row + (png_size_t)((final_width - 1) >> 3);
- int sshift, dshift;
- int s_start, s_end, s_inc;
- int jstop = png_pass_inc[pass];
- png_byte v;
- png_uint_32 i;
- int j;
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (transformations & PNG_PACKSWAP)
- {
- sshift = (int)((row_info->width + 7) & 0x07);
- dshift = (int)((final_width + 7) & 0x07);
- s_start = 7;
- s_end = 0;
- s_inc = -1;
- }
- else
-#endif
- {
- sshift = 7 - (int)((row_info->width + 7) & 0x07);
- dshift = 7 - (int)((final_width + 7) & 0x07);
- s_start = 0;
- s_end = 7;
- s_inc = 1;
- }
-
- for (i = 0; i < row_info->width; i++)
- {
- v = (png_byte)((*sp >> sshift) & 0x01);
- for (j = 0; j < jstop; j++)
- {
- *dp &= (png_byte)((0x7f7f >> (7 - dshift)) & 0xff);
- *dp |= (png_byte)(v << dshift);
- if (dshift == s_end)
- {
- dshift = s_start;
- dp--;
- }
- else
- dshift += s_inc;
- }
- if (sshift == s_end)
- {
- sshift = s_start;
- sp--;
- }
- else
- sshift += s_inc;
- }
- break;
- }
- case 2:
- {
- png_bytep sp = row + (png_uint_32)((row_info->width - 1) >> 2);
- png_bytep dp = row + (png_uint_32)((final_width - 1) >> 2);
- int sshift, dshift;
- int s_start, s_end, s_inc;
- int jstop = png_pass_inc[pass];
- png_uint_32 i;
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (transformations & PNG_PACKSWAP)
- {
- sshift = (int)(((row_info->width + 3) & 0x03) << 1);
- dshift = (int)(((final_width + 3) & 0x03) << 1);
- s_start = 6;
- s_end = 0;
- s_inc = -2;
- }
- else
-#endif
- {
- sshift = (int)((3 - ((row_info->width + 3) & 0x03)) << 1);
- dshift = (int)((3 - ((final_width + 3) & 0x03)) << 1);
- s_start = 0;
- s_end = 6;
- s_inc = 2;
- }
-
- for (i = 0; i < row_info->width; i++)
- {
- png_byte v;
- int j;
-
- v = (png_byte)((*sp >> sshift) & 0x03);
- for (j = 0; j < jstop; j++)
- {
- *dp &= (png_byte)((0x3f3f >> (6 - dshift)) & 0xff);
- *dp |= (png_byte)(v << dshift);
- if (dshift == s_end)
- {
- dshift = s_start;
- dp--;
- }
- else
- dshift += s_inc;
- }
- if (sshift == s_end)
- {
- sshift = s_start;
- sp--;
- }
- else
- sshift += s_inc;
- }
- break;
- }
- case 4:
- {
- png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 1);
- png_bytep dp = row + (png_size_t)((final_width - 1) >> 1);
- int sshift, dshift;
- int s_start, s_end, s_inc;
- png_uint_32 i;
- int jstop = png_pass_inc[pass];
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (transformations & PNG_PACKSWAP)
- {
- sshift = (int)(((row_info->width + 1) & 0x01) << 2);
- dshift = (int)(((final_width + 1) & 0x01) << 2);
- s_start = 4;
- s_end = 0;
- s_inc = -4;
- }
- else
-#endif
- {
- sshift = (int)((1 - ((row_info->width + 1) & 0x01)) << 2);
- dshift = (int)((1 - ((final_width + 1) & 0x01)) << 2);
- s_start = 0;
- s_end = 4;
- s_inc = 4;
- }
-
- for (i = 0; i < row_info->width; i++)
- {
- png_byte v = (png_byte)((*sp >> sshift) & 0xf);
- int j;
-
- for (j = 0; j < jstop; j++)
- {
- *dp &= (png_byte)((0xf0f >> (4 - dshift)) & 0xff);
- *dp |= (png_byte)(v << dshift);
- if (dshift == s_end)
- {
- dshift = s_start;
- dp--;
- }
- else
- dshift += s_inc;
- }
- if (sshift == s_end)
- {
- sshift = s_start;
- sp--;
- }
- else
- sshift += s_inc;
- }
- break;
- }
- default:
- {
- png_size_t pixel_bytes = (row_info->pixel_depth >> 3);
- png_bytep sp = row + (png_size_t)(row_info->width - 1) * pixel_bytes;
- png_bytep dp = row + (png_size_t)(final_width - 1) * pixel_bytes;
-
- int jstop = png_pass_inc[pass];
- png_uint_32 i;
-
- for (i = 0; i < row_info->width; i++)
- {
- png_byte v[8];
- int j;
-
- png_memcpy(v, sp, pixel_bytes);
- for (j = 0; j < jstop; j++)
- {
- png_memcpy(dp, v, pixel_bytes);
- dp -= pixel_bytes;
- }
- sp -= pixel_bytes;
- }
- break;
- }
- }
- row_info->width = final_width;
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, final_width);
- }
-#if !defined(PNG_READ_PACKSWAP_SUPPORTED)
- transformations = transformations; /* Silence compiler warning */
-#endif
-}
-#endif /* PNG_READ_INTERLACING_SUPPORTED */
-
-void /* PRIVATE */
-png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep row,
- png_bytep prev_row, int filter)
-{
- png_debug(1, "in png_read_filter_row");
- png_debug2(2, "row = %lu, filter = %d", png_ptr->row_number, filter);
- switch (filter)
- {
- case PNG_FILTER_VALUE_NONE:
- break;
- case PNG_FILTER_VALUE_SUB:
- {
- png_uint_32 i;
- png_uint_32 istop = row_info->rowbytes;
- png_uint_32 bpp = (row_info->pixel_depth + 7) >> 3;
- png_bytep rp = row + bpp;
- png_bytep lp = row;
-
- for (i = bpp; i < istop; i++)
- {
- *rp = (png_byte)(((int)(*rp) + (int)(*lp++)) & 0xff);
- rp++;
- }
- break;
- }
- case PNG_FILTER_VALUE_UP:
- {
- png_uint_32 i;
- png_uint_32 istop = row_info->rowbytes;
- png_bytep rp = row;
- png_bytep pp = prev_row;
-
- for (i = 0; i < istop; i++)
- {
- *rp = (png_byte)(((int)(*rp) + (int)(*pp++)) & 0xff);
- rp++;
- }
- break;
- }
- case PNG_FILTER_VALUE_AVG:
- {
- png_uint_32 i;
- png_bytep rp = row;
- png_bytep pp = prev_row;
- png_bytep lp = row;
- png_uint_32 bpp = (row_info->pixel_depth + 7) >> 3;
- png_uint_32 istop = row_info->rowbytes - bpp;
-
- for (i = 0; i < bpp; i++)
- {
- *rp = (png_byte)(((int)(*rp) +
- ((int)(*pp++) / 2 )) & 0xff);
- rp++;
- }
-
- for (i = 0; i < istop; i++)
- {
- *rp = (png_byte)(((int)(*rp) +
- (int)(*pp++ + *lp++) / 2 ) & 0xff);
- rp++;
- }
- break;
- }
- case PNG_FILTER_VALUE_PAETH:
- {
- png_uint_32 i;
- png_bytep rp = row;
- png_bytep pp = prev_row;
- png_bytep lp = row;
- png_bytep cp = prev_row;
- png_uint_32 bpp = (row_info->pixel_depth + 7) >> 3;
- png_uint_32 istop=row_info->rowbytes - bpp;
-
- for (i = 0; i < bpp; i++)
- {
- *rp = (png_byte)(((int)(*rp) + (int)(*pp++)) & 0xff);
- rp++;
- }
-
- for (i = 0; i < istop; i++) /* Use leftover rp,pp */
- {
- int a, b, c, pa, pb, pc, p;
-
- a = *lp++;
- b = *pp++;
- c = *cp++;
-
- p = b - c;
- pc = a - c;
-
-#ifdef PNG_USE_ABS
- pa = abs(p);
- pb = abs(pc);
- pc = abs(p + pc);
-#else
- pa = p < 0 ? -p : p;
- pb = pc < 0 ? -pc : pc;
- pc = (p + pc) < 0 ? -(p + pc) : p + pc;
-#endif
-
- /*
- if (pa <= pb && pa <= pc)
- p = a;
- else if (pb <= pc)
- p = b;
- else
- p = c;
- */
-
- p = (pa <= pb && pa <= pc) ? a : (pb <= pc) ? b : c;
-
- *rp = (png_byte)(((int)(*rp) + p) & 0xff);
- rp++;
- }
- break;
- }
- default:
- png_warning(png_ptr, "Ignoring bad adaptive filter type");
- *row = 0;
- break;
- }
-}
-
-#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED
-void /* PRIVATE */
-png_read_finish_row(png_structp png_ptr)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
-#ifdef PNG_READ_INTERLACING_SUPPORTED
- /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
-
- /* Start of interlace block */
- PNG_CONST int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
-
- /* Offset to next interlace block */
- PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
-
- /* Start of interlace block in the y direction */
- PNG_CONST int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1};
-
- /* Offset to next interlace block in the y direction */
- PNG_CONST int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
-#endif /* PNG_READ_INTERLACING_SUPPORTED */
-#endif
-
- png_debug(1, "in png_read_finish_row");
- png_ptr->row_number++;
- if (png_ptr->row_number < png_ptr->num_rows)
- return;
-
-#ifdef PNG_READ_INTERLACING_SUPPORTED
- if (png_ptr->interlaced)
- {
- png_ptr->row_number = 0;
- png_memset_check(png_ptr, png_ptr->prev_row, 0,
- png_ptr->rowbytes + 1);
- do
- {
- png_ptr->pass++;
- if (png_ptr->pass >= 7)
- break;
- png_ptr->iwidth = (png_ptr->width +
- png_pass_inc[png_ptr->pass] - 1 -
- png_pass_start[png_ptr->pass]) /
- png_pass_inc[png_ptr->pass];
-
- png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,
- png_ptr->iwidth) + 1;
-
- if (!(png_ptr->transformations & PNG_INTERLACE))
- {
- png_ptr->num_rows = (png_ptr->height +
- png_pass_yinc[png_ptr->pass] - 1 -
- png_pass_ystart[png_ptr->pass]) /
- png_pass_yinc[png_ptr->pass];
- if (!(png_ptr->num_rows))
- continue;
- }
- else /* if (png_ptr->transformations & PNG_INTERLACE) */
- break;
- } while (png_ptr->iwidth == 0);
-
- if (png_ptr->pass < 7)
- return;
- }
-#endif /* PNG_READ_INTERLACING_SUPPORTED */
-
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
- {
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_CONST PNG_IDAT;
-#endif
- char extra;
- int ret;
-
- png_ptr->zstream.next_out = (Byte *)&extra;
- png_ptr->zstream.avail_out = (uInt)1;
- for (;;)
- {
- if (!(png_ptr->zstream.avail_in))
- {
- while (!png_ptr->idat_size)
- {
- png_byte chunk_length[4];
-
- png_crc_finish(png_ptr, 0);
-
- png_read_data(png_ptr, chunk_length, 4);
- png_ptr->idat_size = png_get_uint_31(png_ptr, chunk_length);
- png_reset_crc(png_ptr);
- png_crc_read(png_ptr, png_ptr->chunk_name, 4);
- if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
- png_error(png_ptr, "Not enough image data");
-
- }
- png_ptr->zstream.avail_in = (uInt)png_ptr->zbuf_size;
- png_ptr->zstream.next_in = png_ptr->zbuf;
- if (png_ptr->zbuf_size > png_ptr->idat_size)
- png_ptr->zstream.avail_in = (uInt)png_ptr->idat_size;
- png_crc_read(png_ptr, png_ptr->zbuf, png_ptr->zstream.avail_in);
- png_ptr->idat_size -= png_ptr->zstream.avail_in;
- }
- ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
- if (ret == Z_STREAM_END)
- {
- if (!(png_ptr->zstream.avail_out) || png_ptr->zstream.avail_in ||
- png_ptr->idat_size)
- png_warning(png_ptr, "Extra compressed data");
- png_ptr->mode |= PNG_AFTER_IDAT;
- png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
- break;
- }
- if (ret != Z_OK)
- png_error(png_ptr, png_ptr->zstream.msg ? png_ptr->zstream.msg :
- "Decompression Error");
-
- if (!(png_ptr->zstream.avail_out))
- {
- png_warning(png_ptr, "Extra compressed data.");
- png_ptr->mode |= PNG_AFTER_IDAT;
- png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
- break;
- }
-
- }
- png_ptr->zstream.avail_out = 0;
- }
-
- if (png_ptr->idat_size || png_ptr->zstream.avail_in)
- png_warning(png_ptr, "Extra compression data");
-
- inflateReset(&png_ptr->zstream);
-
- png_ptr->mode |= PNG_AFTER_IDAT;
-}
-#endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */
-
-void /* PRIVATE */
-png_read_start_row(png_structp png_ptr)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
-#ifdef PNG_READ_INTERLACING_SUPPORTED
- /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
-
- /* Start of interlace block */
- PNG_CONST int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
-
- /* Offset to next interlace block */
- PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
-
- /* Start of interlace block in the y direction */
- PNG_CONST int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1};
-
- /* Offset to next interlace block in the y direction */
- PNG_CONST int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
-#endif
-#endif
-
- int max_pixel_depth;
- png_size_t row_bytes;
-
- png_debug(1, "in png_read_start_row");
- png_ptr->zstream.avail_in = 0;
- png_init_read_transformations(png_ptr);
-#ifdef PNG_READ_INTERLACING_SUPPORTED
- if (png_ptr->interlaced)
- {
- if (!(png_ptr->transformations & PNG_INTERLACE))
- png_ptr->num_rows = (png_ptr->height + png_pass_yinc[0] - 1 -
- png_pass_ystart[0]) / png_pass_yinc[0];
- else
- png_ptr->num_rows = png_ptr->height;
-
- png_ptr->iwidth = (png_ptr->width +
- png_pass_inc[png_ptr->pass] - 1 -
- png_pass_start[png_ptr->pass]) /
- png_pass_inc[png_ptr->pass];
-
- png_ptr->irowbytes =
- PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->iwidth) + 1;
- }
- else
-#endif /* PNG_READ_INTERLACING_SUPPORTED */
- {
- png_ptr->num_rows = png_ptr->height;
- png_ptr->iwidth = png_ptr->width;
- png_ptr->irowbytes = png_ptr->rowbytes + 1;
- }
- max_pixel_depth = png_ptr->pixel_depth;
-
-#if defined(PNG_READ_PACK_SUPPORTED)
- if ((png_ptr->transformations & PNG_PACK) && png_ptr->bit_depth < 8)
- max_pixel_depth = 8;
-#endif
-
-#if defined(PNG_READ_EXPAND_SUPPORTED)
- if (png_ptr->transformations & PNG_EXPAND)
- {
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- if (png_ptr->num_trans)
- max_pixel_depth = 32;
- else
- max_pixel_depth = 24;
- }
- else if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY)
- {
- if (max_pixel_depth < 8)
- max_pixel_depth = 8;
- if (png_ptr->num_trans)
- max_pixel_depth *= 2;
- }
- else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
- {
- if (png_ptr->num_trans)
- {
- max_pixel_depth *= 4;
- max_pixel_depth /= 3;
- }
- }
- }
-#endif
-
-#if defined(PNG_READ_FILLER_SUPPORTED)
- if (png_ptr->transformations & (PNG_FILLER))
- {
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- max_pixel_depth = 32;
- else if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY)
- {
- if (max_pixel_depth <= 8)
- max_pixel_depth = 16;
- else
- max_pixel_depth = 32;
- }
- else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
- {
- if (max_pixel_depth <= 32)
- max_pixel_depth = 32;
- else
- max_pixel_depth = 64;
- }
- }
-#endif
-
-#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
- if (png_ptr->transformations & PNG_GRAY_TO_RGB)
- {
- if (
-#if defined(PNG_READ_EXPAND_SUPPORTED)
- (png_ptr->num_trans && (png_ptr->transformations & PNG_EXPAND)) ||
-#endif
-#if defined(PNG_READ_FILLER_SUPPORTED)
- (png_ptr->transformations & (PNG_FILLER)) ||
-#endif
- png_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- {
- if (max_pixel_depth <= 16)
- max_pixel_depth = 32;
- else
- max_pixel_depth = 64;
- }
- else
- {
- if (max_pixel_depth <= 8)
- {
- if (png_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- max_pixel_depth = 32;
- else
- max_pixel_depth = 24;
- }
- else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- max_pixel_depth = 64;
- else
- max_pixel_depth = 48;
- }
- }
-#endif
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) && \
-defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
- if (png_ptr->transformations & PNG_USER_TRANSFORM)
- {
- int user_pixel_depth = png_ptr->user_transform_depth*
- png_ptr->user_transform_channels;
- if (user_pixel_depth > max_pixel_depth)
- max_pixel_depth=user_pixel_depth;
- }
-#endif
-
- /* Align the width on the next larger 8 pixels. Mainly used
- * for interlacing
- */
- row_bytes = ((png_ptr->width + 7) & ~((png_uint_32)7));
- /* Calculate the maximum bytes needed, adding a byte and a pixel
- * for safety's sake
- */
- row_bytes = PNG_ROWBYTES(max_pixel_depth, row_bytes) +
- 1 + ((max_pixel_depth + 7) >> 3);
-#ifdef PNG_MAX_MALLOC_64K
- if (row_bytes > (png_uint_32)65536L)
- png_error(png_ptr, "This image requires a row greater than 64KB");
-#endif
-
- if (row_bytes + 64 > png_ptr->old_big_row_buf_size)
- {
- png_free(png_ptr, png_ptr->big_row_buf);
- png_ptr->big_row_buf = (png_bytep)png_malloc(png_ptr, row_bytes + 64);
- if (png_ptr->interlaced)
- png_memset(png_ptr->big_row_buf, 0, row_bytes + 64);
- png_ptr->row_buf = png_ptr->big_row_buf + 32;
- png_ptr->old_big_row_buf_size = row_bytes + 64;
- }
-
-#ifdef PNG_MAX_MALLOC_64K
- if ((png_uint_32)row_bytes + 1 > (png_uint_32)65536L)
- png_error(png_ptr, "This image requires a row greater than 64KB");
-#endif
- if ((png_uint_32)row_bytes > (png_uint_32)(PNG_SIZE_MAX - 1))
- png_error(png_ptr, "Row has too many bytes to allocate in memory.");
-
- if (row_bytes + 1 > png_ptr->old_prev_row_size)
- {
- png_free(png_ptr, png_ptr->prev_row);
- png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, (png_uint_32)(
- row_bytes + 1));
- png_memset_check(png_ptr, png_ptr->prev_row, 0, row_bytes + 1);
- png_ptr->old_prev_row_size = row_bytes + 1;
- }
-
- png_ptr->rowbytes = row_bytes;
-
- png_debug1(3, "width = %lu,", png_ptr->width);
- png_debug1(3, "height = %lu,", png_ptr->height);
- png_debug1(3, "iwidth = %lu,", png_ptr->iwidth);
- png_debug1(3, "num_rows = %lu,", png_ptr->num_rows);
- png_debug1(3, "rowbytes = %lu,", png_ptr->rowbytes);
- png_debug1(3, "irowbytes = %lu", png_ptr->irowbytes);
-
- png_ptr->flags |= PNG_FLAG_ROW_INIT;
-}
-#endif /* PNG_READ_SUPPORTED */
+++ /dev/null
-
-/* pngset.c - storage of image information into info struct
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * The functions here are used during reads to store data from the file
- * into the info struct, and during writes to store application data
- * into the info struct for writing into the file. This abstracts the
- * info struct and allows us to change the structure in the future.
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-
-#if defined(PNG_bKGD_SUPPORTED)
-void PNGAPI
-png_set_bKGD(png_structp png_ptr, png_infop info_ptr, png_color_16p background)
-{
- png_debug1(1, "in %s storage function", "bKGD");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- png_memcpy(&(info_ptr->background), background, png_sizeof(png_color_16));
- info_ptr->valid |= PNG_INFO_bKGD;
-}
-#endif
-
-#if defined(PNG_cHRM_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-void PNGAPI
-png_set_cHRM(png_structp png_ptr, png_infop info_ptr,
- double white_x, double white_y, double red_x, double red_y,
- double green_x, double green_y, double blue_x, double blue_y)
-{
- png_debug1(1, "in %s storage function", "cHRM");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- info_ptr->x_white = (float)white_x;
- info_ptr->y_white = (float)white_y;
- info_ptr->x_red = (float)red_x;
- info_ptr->y_red = (float)red_y;
- info_ptr->x_green = (float)green_x;
- info_ptr->y_green = (float)green_y;
- info_ptr->x_blue = (float)blue_x;
- info_ptr->y_blue = (float)blue_y;
-#ifdef PNG_FIXED_POINT_SUPPORTED
- info_ptr->int_x_white = (png_fixed_point)(white_x*100000.+0.5);
- info_ptr->int_y_white = (png_fixed_point)(white_y*100000.+0.5);
- info_ptr->int_x_red = (png_fixed_point)( red_x*100000.+0.5);
- info_ptr->int_y_red = (png_fixed_point)( red_y*100000.+0.5);
- info_ptr->int_x_green = (png_fixed_point)(green_x*100000.+0.5);
- info_ptr->int_y_green = (png_fixed_point)(green_y*100000.+0.5);
- info_ptr->int_x_blue = (png_fixed_point)( blue_x*100000.+0.5);
- info_ptr->int_y_blue = (png_fixed_point)( blue_y*100000.+0.5);
-#endif
- info_ptr->valid |= PNG_INFO_cHRM;
-}
-#endif /* PNG_FLOATING_POINT_SUPPORTED */
-
-#ifdef PNG_FIXED_POINT_SUPPORTED
-void PNGAPI
-png_set_cHRM_fixed(png_structp png_ptr, png_infop info_ptr,
- png_fixed_point white_x, png_fixed_point white_y, png_fixed_point red_x,
- png_fixed_point red_y, png_fixed_point green_x, png_fixed_point green_y,
- png_fixed_point blue_x, png_fixed_point blue_y)
-{
- png_debug1(1, "in %s storage function", "cHRM fixed");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
-#if !defined(PNG_NO_CHECK_cHRM)
- if (png_check_cHRM_fixed(png_ptr,
- white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y))
-#endif
- {
- info_ptr->int_x_white = white_x;
- info_ptr->int_y_white = white_y;
- info_ptr->int_x_red = red_x;
- info_ptr->int_y_red = red_y;
- info_ptr->int_x_green = green_x;
- info_ptr->int_y_green = green_y;
- info_ptr->int_x_blue = blue_x;
- info_ptr->int_y_blue = blue_y;
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- info_ptr->x_white = (float)(white_x/100000.);
- info_ptr->y_white = (float)(white_y/100000.);
- info_ptr->x_red = (float)( red_x/100000.);
- info_ptr->y_red = (float)( red_y/100000.);
- info_ptr->x_green = (float)(green_x/100000.);
- info_ptr->y_green = (float)(green_y/100000.);
- info_ptr->x_blue = (float)( blue_x/100000.);
- info_ptr->y_blue = (float)( blue_y/100000.);
-#endif
- info_ptr->valid |= PNG_INFO_cHRM;
- }
-}
-#endif /* PNG_FIXED_POINT_SUPPORTED */
-#endif /* PNG_cHRM_SUPPORTED */
-
-#if defined(PNG_gAMA_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-void PNGAPI
-png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma)
-{
- double png_gamma;
- png_debug1(1, "in %s storage function", "gAMA");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- /* Check for overflow */
- if (file_gamma > 21474.83)
- {
- png_warning(png_ptr, "Limiting gamma to 21474.83");
- png_gamma=21474.83;
- }
- else
- png_gamma = file_gamma;
- info_ptr->gamma = (float)png_gamma;
-#ifdef PNG_FIXED_POINT_SUPPORTED
- info_ptr->int_gamma = (int)(png_gamma*100000.+.5);
-#endif
- info_ptr->valid |= PNG_INFO_gAMA;
- if (png_gamma == 0.0)
- png_warning(png_ptr, "Setting gamma=0");
-}
-#endif
-void PNGAPI
-png_set_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, png_fixed_point
- int_gamma)
-{
- png_fixed_point png_gamma;
-
- png_debug1(1, "in %s storage function", "gAMA");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- if (int_gamma > (png_fixed_point)PNG_UINT_31_MAX)
- {
- png_warning(png_ptr, "Limiting gamma to 21474.83");
- png_gamma=PNG_UINT_31_MAX;
- }
- else
- {
- if (int_gamma < 0)
- {
- png_warning(png_ptr, "Setting negative gamma to zero");
- png_gamma = 0;
- }
- else
- png_gamma = int_gamma;
- }
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- info_ptr->gamma = (float)(png_gamma/100000.);
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
- info_ptr->int_gamma = png_gamma;
-#endif
- info_ptr->valid |= PNG_INFO_gAMA;
- if (png_gamma == 0)
- png_warning(png_ptr, "Setting gamma=0");
-}
-#endif
-
-#if defined(PNG_hIST_SUPPORTED)
-void PNGAPI
-png_set_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p hist)
-{
- int i;
-
- png_debug1(1, "in %s storage function", "hIST");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
- if (info_ptr->num_palette == 0 || info_ptr->num_palette
- > PNG_MAX_PALETTE_LENGTH)
- {
- png_warning(png_ptr,
- "Invalid palette size, hIST allocation skipped.");
- return;
- }
-
-#ifdef PNG_FREE_ME_SUPPORTED
- png_free_data(png_ptr, info_ptr, PNG_FREE_HIST, 0);
-#endif
- /* Changed from info->num_palette to PNG_MAX_PALETTE_LENGTH in
- * version 1.2.1
- */
- png_ptr->hist = (png_uint_16p)png_malloc_warn(png_ptr,
- (png_uint_32)(PNG_MAX_PALETTE_LENGTH * png_sizeof(png_uint_16)));
- if (png_ptr->hist == NULL)
- {
- png_warning(png_ptr, "Insufficient memory for hIST chunk data.");
- return;
- }
-
- for (i = 0; i < info_ptr->num_palette; i++)
- png_ptr->hist[i] = hist[i];
- info_ptr->hist = png_ptr->hist;
- info_ptr->valid |= PNG_INFO_hIST;
-
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_HIST;
-#else
- png_ptr->flags |= PNG_FLAG_FREE_HIST;
-#endif
-}
-#endif
-
-void PNGAPI
-png_set_IHDR(png_structp png_ptr, png_infop info_ptr,
- png_uint_32 width, png_uint_32 height, int bit_depth,
- int color_type, int interlace_type, int compression_type,
- int filter_type)
-{
- png_debug1(1, "in %s storage function", "IHDR");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- /* Check for width and height valid values */
- if (width == 0 || height == 0)
- png_error(png_ptr, "Image width or height is zero in IHDR");
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
- if (width > png_ptr->user_width_max || height > png_ptr->user_height_max)
- png_error(png_ptr, "image size exceeds user limits in IHDR");
-#else
- if (width > PNG_USER_WIDTH_MAX || height > PNG_USER_HEIGHT_MAX)
- png_error(png_ptr, "image size exceeds user limits in IHDR");
-#endif
- if (width > PNG_UINT_31_MAX || height > PNG_UINT_31_MAX)
- png_error(png_ptr, "Invalid image size in IHDR");
- if ( width > (PNG_UINT_32_MAX
- >> 3) /* 8-byte RGBA pixels */
- - 64 /* bigrowbuf hack */
- - 1 /* filter byte */
- - 7*8 /* rounding of width to multiple of 8 pixels */
- - 8) /* extra max_pixel_depth pad */
- png_warning(png_ptr, "Width is too large for libpng to process pixels");
-
- /* Check other values */
- if (bit_depth != 1 && bit_depth != 2 && bit_depth != 4 &&
- bit_depth != 8 && bit_depth != 16)
- png_error(png_ptr, "Invalid bit depth in IHDR");
-
- if (color_type < 0 || color_type == 1 ||
- color_type == 5 || color_type > 6)
- png_error(png_ptr, "Invalid color type in IHDR");
-
- if (((color_type == PNG_COLOR_TYPE_PALETTE) && bit_depth > 8) ||
- ((color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_GRAY_ALPHA ||
- color_type == PNG_COLOR_TYPE_RGB_ALPHA) && bit_depth < 8))
- png_error(png_ptr, "Invalid color type/bit depth combination in IHDR");
-
- if (interlace_type >= PNG_INTERLACE_LAST)
- png_error(png_ptr, "Unknown interlace method in IHDR");
-
- if (compression_type != PNG_COMPRESSION_TYPE_BASE)
- png_error(png_ptr, "Unknown compression method in IHDR");
-
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- /* Accept filter_method 64 (intrapixel differencing) only if
- * 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and
- * 2. Libpng did not read a PNG signature (this filter_method is only
- * used in PNG datastreams that are embedded in MNG datastreams) and
- * 3. The application called png_permit_mng_features with a mask that
- * included PNG_FLAG_MNG_FILTER_64 and
- * 4. The filter_method is 64 and
- * 5. The color_type is RGB or RGBA
- */
- if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&png_ptr->mng_features_permitted)
- png_warning(png_ptr, "MNG features are not allowed in a PNG datastream");
- if (filter_type != PNG_FILTER_TYPE_BASE)
- {
- if (!((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
- (filter_type == PNG_INTRAPIXEL_DIFFERENCING) &&
- ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) &&
- (color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_RGB_ALPHA)))
- png_error(png_ptr, "Unknown filter method in IHDR");
- if (png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)
- png_warning(png_ptr, "Invalid filter method in IHDR");
- }
-#else
- if (filter_type != PNG_FILTER_TYPE_BASE)
- png_error(png_ptr, "Unknown filter method in IHDR");
-#endif
-
- info_ptr->width = width;
- info_ptr->height = height;
- info_ptr->bit_depth = (png_byte)bit_depth;
- info_ptr->color_type =(png_byte) color_type;
- info_ptr->compression_type = (png_byte)compression_type;
- info_ptr->filter_type = (png_byte)filter_type;
- info_ptr->interlace_type = (png_byte)interlace_type;
- if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- info_ptr->channels = 1;
- else if (info_ptr->color_type & PNG_COLOR_MASK_COLOR)
- info_ptr->channels = 3;
- else
- info_ptr->channels = 1;
- if (info_ptr->color_type & PNG_COLOR_MASK_ALPHA)
- info_ptr->channels++;
- info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth);
-
- /* Check for potential overflow */
- if (width > (PNG_UINT_32_MAX
- >> 3) /* 8-byte RGBA pixels */
- - 64 /* bigrowbuf hack */
- - 1 /* filter byte */
- - 7*8 /* rounding of width to multiple of 8 pixels */
- - 8) /* extra max_pixel_depth pad */
- info_ptr->rowbytes = (png_size_t)0;
- else
- info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width);
-}
-
-#if defined(PNG_oFFs_SUPPORTED)
-void PNGAPI
-png_set_oFFs(png_structp png_ptr, png_infop info_ptr,
- png_int_32 offset_x, png_int_32 offset_y, int unit_type)
-{
- png_debug1(1, "in %s storage function", "oFFs");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- info_ptr->x_offset = offset_x;
- info_ptr->y_offset = offset_y;
- info_ptr->offset_unit_type = (png_byte)unit_type;
- info_ptr->valid |= PNG_INFO_oFFs;
-}
-#endif
-
-#if defined(PNG_pCAL_SUPPORTED)
-void PNGAPI
-png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
- png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams,
- png_charp units, png_charpp params)
-{
- png_uint_32 length;
- int i;
-
- png_debug1(1, "in %s storage function", "pCAL");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- length = png_strlen(purpose) + 1;
- png_debug1(3, "allocating purpose for info (%lu bytes)",
- (unsigned long)length);
- info_ptr->pcal_purpose = (png_charp)png_malloc_warn(png_ptr, length);
- if (info_ptr->pcal_purpose == NULL)
- {
- png_warning(png_ptr, "Insufficient memory for pCAL purpose.");
- return;
- }
- png_memcpy(info_ptr->pcal_purpose, purpose, (png_size_t)length);
-
- png_debug(3, "storing X0, X1, type, and nparams in info");
- info_ptr->pcal_X0 = X0;
- info_ptr->pcal_X1 = X1;
- info_ptr->pcal_type = (png_byte)type;
- info_ptr->pcal_nparams = (png_byte)nparams;
-
- length = png_strlen(units) + 1;
- png_debug1(3, "allocating units for info (%lu bytes)",
- (unsigned long)length);
- info_ptr->pcal_units = (png_charp)png_malloc_warn(png_ptr, length);
- if (info_ptr->pcal_units == NULL)
- {
- png_warning(png_ptr, "Insufficient memory for pCAL units.");
- return;
- }
- png_memcpy(info_ptr->pcal_units, units, (png_size_t)length);
-
- info_ptr->pcal_params = (png_charpp)png_malloc_warn(png_ptr,
- (png_uint_32)((nparams + 1) * png_sizeof(png_charp)));
- if (info_ptr->pcal_params == NULL)
- {
- png_warning(png_ptr, "Insufficient memory for pCAL params.");
- return;
- }
-
- png_memset(info_ptr->pcal_params, 0, (nparams + 1) * png_sizeof(png_charp));
-
- for (i = 0; i < nparams; i++)
- {
- length = png_strlen(params[i]) + 1;
- png_debug2(3, "allocating parameter %d for info (%lu bytes)", i,
- (unsigned long)length);
- info_ptr->pcal_params[i] = (png_charp)png_malloc_warn(png_ptr, length);
- if (info_ptr->pcal_params[i] == NULL)
- {
- png_warning(png_ptr, "Insufficient memory for pCAL parameter.");
- return;
- }
- png_memcpy(info_ptr->pcal_params[i], params[i], (png_size_t)length);
- }
-
- info_ptr->valid |= PNG_INFO_pCAL;
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_PCAL;
-#endif
-}
-#endif
-
-#if defined(PNG_READ_sCAL_SUPPORTED) || defined(PNG_WRITE_sCAL_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-void PNGAPI
-png_set_sCAL(png_structp png_ptr, png_infop info_ptr,
- int unit, double width, double height)
-{
- png_debug1(1, "in %s storage function", "sCAL");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- info_ptr->scal_unit = (png_byte)unit;
- info_ptr->scal_pixel_width = width;
- info_ptr->scal_pixel_height = height;
-
- info_ptr->valid |= PNG_INFO_sCAL;
-}
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
-void PNGAPI
-png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr,
- int unit, png_charp swidth, png_charp sheight)
-{
- png_uint_32 length;
-
- png_debug1(1, "in %s storage function", "sCAL");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- info_ptr->scal_unit = (png_byte)unit;
-
- length = png_strlen(swidth) + 1;
- png_debug1(3, "allocating unit for info (%u bytes)",
- (unsigned int)length);
- info_ptr->scal_s_width = (png_charp)png_malloc_warn(png_ptr, length);
- if (info_ptr->scal_s_width == NULL)
- {
- png_warning(png_ptr,
- "Memory allocation failed while processing sCAL.");
- return;
- }
- png_memcpy(info_ptr->scal_s_width, swidth, (png_size_t)length);
-
- length = png_strlen(sheight) + 1;
- png_debug1(3, "allocating unit for info (%u bytes)",
- (unsigned int)length);
- info_ptr->scal_s_height = (png_charp)png_malloc_warn(png_ptr, length);
- if (info_ptr->scal_s_height == NULL)
- {
- png_free (png_ptr, info_ptr->scal_s_width);
- info_ptr->scal_s_width = NULL;
- png_warning(png_ptr,
- "Memory allocation failed while processing sCAL.");
- return;
- }
- png_memcpy(info_ptr->scal_s_height, sheight, (png_size_t)length);
- info_ptr->valid |= PNG_INFO_sCAL;
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_SCAL;
-#endif
-}
-#endif
-#endif
-#endif
-
-#if defined(PNG_pHYs_SUPPORTED)
-void PNGAPI
-png_set_pHYs(png_structp png_ptr, png_infop info_ptr,
- png_uint_32 res_x, png_uint_32 res_y, int unit_type)
-{
- png_debug1(1, "in %s storage function", "pHYs");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- info_ptr->x_pixels_per_unit = res_x;
- info_ptr->y_pixels_per_unit = res_y;
- info_ptr->phys_unit_type = (png_byte)unit_type;
- info_ptr->valid |= PNG_INFO_pHYs;
-}
-#endif
-
-void PNGAPI
-png_set_PLTE(png_structp png_ptr, png_infop info_ptr,
- png_colorp palette, int num_palette)
-{
-
- png_debug1(1, "in %s storage function", "PLTE");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- if (num_palette < 0 || num_palette > PNG_MAX_PALETTE_LENGTH)
- {
- if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- png_error(png_ptr, "Invalid palette length");
- else
- {
- png_warning(png_ptr, "Invalid palette length");
- return;
- }
- }
-
- /*
- * It may not actually be necessary to set png_ptr->palette here;
- * we do it for backward compatibility with the way the png_handle_tRNS
- * function used to do the allocation.
- */
-#ifdef PNG_FREE_ME_SUPPORTED
- png_free_data(png_ptr, info_ptr, PNG_FREE_PLTE, 0);
-#endif
-
- /* Changed in libpng-1.2.1 to allocate PNG_MAX_PALETTE_LENGTH instead
- * of num_palette entries, in case of an invalid PNG file that has
- * too-large sample values.
- */
- png_ptr->palette = (png_colorp)png_malloc(png_ptr,
- PNG_MAX_PALETTE_LENGTH * png_sizeof(png_color));
- png_memset(png_ptr->palette, 0, PNG_MAX_PALETTE_LENGTH *
- png_sizeof(png_color));
- png_memcpy(png_ptr->palette, palette, num_palette * png_sizeof(png_color));
- info_ptr->palette = png_ptr->palette;
- info_ptr->num_palette = png_ptr->num_palette = (png_uint_16)num_palette;
-
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_PLTE;
-#else
- png_ptr->flags |= PNG_FLAG_FREE_PLTE;
-#endif
-
- info_ptr->valid |= PNG_INFO_PLTE;
-}
-
-#if defined(PNG_sBIT_SUPPORTED)
-void PNGAPI
-png_set_sBIT(png_structp png_ptr, png_infop info_ptr,
- png_color_8p sig_bit)
-{
- png_debug1(1, "in %s storage function", "sBIT");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- png_memcpy(&(info_ptr->sig_bit), sig_bit, png_sizeof(png_color_8));
- info_ptr->valid |= PNG_INFO_sBIT;
-}
-#endif
-
-#if defined(PNG_sRGB_SUPPORTED)
-void PNGAPI
-png_set_sRGB(png_structp png_ptr, png_infop info_ptr, int intent)
-{
- png_debug1(1, "in %s storage function", "sRGB");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- info_ptr->srgb_intent = (png_byte)intent;
- info_ptr->valid |= PNG_INFO_sRGB;
-}
-
-void PNGAPI
-png_set_sRGB_gAMA_and_cHRM(png_structp png_ptr, png_infop info_ptr,
- int intent)
-{
-#if defined(PNG_gAMA_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- float file_gamma;
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_fixed_point int_file_gamma;
-#endif
-#endif
-#if defined(PNG_cHRM_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- float white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y;
-#endif
- png_fixed_point int_white_x, int_white_y, int_red_x, int_red_y, int_green_x,
- int_green_y, int_blue_x, int_blue_y;
-#endif
- png_debug1(1, "in %s storage function", "sRGB_gAMA_and_cHRM");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- png_set_sRGB(png_ptr, info_ptr, intent);
-
-#if defined(PNG_gAMA_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- file_gamma = (float).45455;
- png_set_gAMA(png_ptr, info_ptr, file_gamma);
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
- int_file_gamma = 45455L;
- png_set_gAMA_fixed(png_ptr, info_ptr, int_file_gamma);
-#endif
-#endif
-
-#if defined(PNG_cHRM_SUPPORTED)
- int_white_x = 31270L;
- int_white_y = 32900L;
- int_red_x = 64000L;
- int_red_y = 33000L;
- int_green_x = 30000L;
- int_green_y = 60000L;
- int_blue_x = 15000L;
- int_blue_y = 6000L;
-
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- white_x = (float).3127;
- white_y = (float).3290;
- red_x = (float).64;
- red_y = (float).33;
- green_x = (float).30;
- green_y = (float).60;
- blue_x = (float).15;
- blue_y = (float).06;
-#endif
-
-#if !defined(PNG_NO_CHECK_cHRM)
- if (png_check_cHRM_fixed(png_ptr,
- int_white_x, int_white_y, int_red_x, int_red_y, int_green_x,
- int_green_y, int_blue_x, int_blue_y))
-#endif
- {
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_set_cHRM_fixed(png_ptr, info_ptr,
- int_white_x, int_white_y, int_red_x, int_red_y, int_green_x,
- int_green_y, int_blue_x, int_blue_y);
-#endif
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- png_set_cHRM(png_ptr, info_ptr,
- white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y);
-#endif
- }
-#endif /* cHRM */
-}
-#endif /* sRGB */
-
-
-#if defined(PNG_iCCP_SUPPORTED)
-void PNGAPI
-png_set_iCCP(png_structp png_ptr, png_infop info_ptr,
- png_charp name, int compression_type,
- png_charp profile, png_uint_32 proflen)
-{
- png_charp new_iccp_name;
- png_charp new_iccp_profile;
- png_uint_32 length;
-
- png_debug1(1, "in %s storage function", "iCCP");
- if (png_ptr == NULL || info_ptr == NULL || name == NULL || profile == NULL)
- return;
-
- length = png_strlen(name)+1;
- new_iccp_name = (png_charp)png_malloc_warn(png_ptr, length);
- if (new_iccp_name == NULL)
- {
- png_warning(png_ptr, "Insufficient memory to process iCCP chunk.");
- return;
- }
- png_memcpy(new_iccp_name, name, length);
- new_iccp_profile = (png_charp)png_malloc_warn(png_ptr, proflen);
- if (new_iccp_profile == NULL)
- {
- png_free (png_ptr, new_iccp_name);
- png_warning(png_ptr,
- "Insufficient memory to process iCCP profile.");
- return;
- }
- png_memcpy(new_iccp_profile, profile, (png_size_t)proflen);
-
- png_free_data(png_ptr, info_ptr, PNG_FREE_ICCP, 0);
-
- info_ptr->iccp_proflen = proflen;
- info_ptr->iccp_name = new_iccp_name;
- info_ptr->iccp_profile = new_iccp_profile;
- /* Compression is always zero but is here so the API and info structure
- * does not have to change if we introduce multiple compression types */
- info_ptr->iccp_compression = (png_byte)compression_type;
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_ICCP;
-#endif
- info_ptr->valid |= PNG_INFO_iCCP;
-}
-#endif
-
-#if defined(PNG_TEXT_SUPPORTED)
-void PNGAPI
-png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
- int num_text)
-{
- int ret;
- ret = png_set_text_2(png_ptr, info_ptr, text_ptr, num_text);
- if (ret)
- png_error(png_ptr, "Insufficient memory to store text");
-}
-
-int /* PRIVATE */
-png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
- int num_text)
-{
- int i;
-
- png_debug1(1, "in %s storage function", (png_ptr->chunk_name[0] == '\0' ?
- "text" : (png_const_charp)png_ptr->chunk_name));
-
- if (png_ptr == NULL || info_ptr == NULL || num_text == 0)
- return(0);
-
- /* Make sure we have enough space in the "text" array in info_struct
- * to hold all of the incoming text_ptr objects.
- */
- if (info_ptr->num_text + num_text > info_ptr->max_text)
- {
- if (info_ptr->text != NULL)
- {
- png_textp old_text;
- int old_max;
-
- old_max = info_ptr->max_text;
- info_ptr->max_text = info_ptr->num_text + num_text + 8;
- old_text = info_ptr->text;
- info_ptr->text = (png_textp)png_malloc_warn(png_ptr,
- (png_uint_32)(info_ptr->max_text * png_sizeof(png_text)));
- if (info_ptr->text == NULL)
- {
- png_free(png_ptr, old_text);
- return(1);
- }
- png_memcpy(info_ptr->text, old_text, (png_size_t)(old_max *
- png_sizeof(png_text)));
- png_free(png_ptr, old_text);
- }
- else
- {
- info_ptr->max_text = num_text + 8;
- info_ptr->num_text = 0;
- info_ptr->text = (png_textp)png_malloc_warn(png_ptr,
- (png_uint_32)(info_ptr->max_text * png_sizeof(png_text)));
- if (info_ptr->text == NULL)
- return(1);
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_TEXT;
-#endif
- }
- png_debug1(3, "allocated %d entries for info_ptr->text",
- info_ptr->max_text);
- }
- for (i = 0; i < num_text; i++)
- {
- png_size_t text_length, key_len;
- png_size_t lang_len, lang_key_len;
- png_textp textp = &(info_ptr->text[info_ptr->num_text]);
-
- if (text_ptr[i].key == NULL)
- continue;
-
- key_len = png_strlen(text_ptr[i].key);
-
- if (text_ptr[i].compression <= 0)
- {
- lang_len = 0;
- lang_key_len = 0;
- }
- else
-#ifdef PNG_iTXt_SUPPORTED
- {
- /* Set iTXt data */
- if (text_ptr[i].lang != NULL)
- lang_len = png_strlen(text_ptr[i].lang);
- else
- lang_len = 0;
- if (text_ptr[i].lang_key != NULL)
- lang_key_len = png_strlen(text_ptr[i].lang_key);
- else
- lang_key_len = 0;
- }
-#else
- {
- png_warning(png_ptr, "iTXt chunk not supported.");
- continue;
- }
-#endif
-
- if (text_ptr[i].text == NULL || text_ptr[i].text[0] == '\0')
- {
- text_length = 0;
-#ifdef PNG_iTXt_SUPPORTED
- if (text_ptr[i].compression > 0)
- textp->compression = PNG_ITXT_COMPRESSION_NONE;
- else
-#endif
- textp->compression = PNG_TEXT_COMPRESSION_NONE;
- }
- else
- {
- text_length = png_strlen(text_ptr[i].text);
- textp->compression = text_ptr[i].compression;
- }
-
- textp->key = (png_charp)png_malloc_warn(png_ptr,
- (png_uint_32)
- (key_len + text_length + lang_len + lang_key_len + 4));
- if (textp->key == NULL)
- return(1);
- png_debug2(2, "Allocated %lu bytes at %x in png_set_text",
- (png_uint_32)
- (key_len + lang_len + lang_key_len + text_length + 4),
- (int)textp->key);
-
- png_memcpy(textp->key, text_ptr[i].key,(png_size_t)(key_len));
- *(textp->key + key_len) = '\0';
-#ifdef PNG_iTXt_SUPPORTED
- if (text_ptr[i].compression > 0)
- {
- textp->lang = textp->key + key_len + 1;
- png_memcpy(textp->lang, text_ptr[i].lang, lang_len);
- *(textp->lang + lang_len) = '\0';
- textp->lang_key = textp->lang + lang_len + 1;
- png_memcpy(textp->lang_key, text_ptr[i].lang_key, lang_key_len);
- *(textp->lang_key + lang_key_len) = '\0';
- textp->text = textp->lang_key + lang_key_len + 1;
- }
- else
-#endif
- {
-#ifdef PNG_iTXt_SUPPORTED
- textp->lang=NULL;
- textp->lang_key=NULL;
-#endif
- textp->text = textp->key + key_len + 1;
- }
- if (text_length)
- png_memcpy(textp->text, text_ptr[i].text,
- (png_size_t)(text_length));
- *(textp->text + text_length) = '\0';
-
-#ifdef PNG_iTXt_SUPPORTED
- if (textp->compression > 0)
- {
- textp->text_length = 0;
- textp->itxt_length = text_length;
- }
- else
-#endif
- {
- textp->text_length = text_length;
-#ifdef PNG_iTXt_SUPPORTED
- textp->itxt_length = 0;
-#endif
- }
- info_ptr->num_text++;
- png_debug1(3, "transferred text chunk %d", info_ptr->num_text);
- }
- return(0);
-}
-#endif
-
-#if defined(PNG_tIME_SUPPORTED)
-void PNGAPI
-png_set_tIME(png_structp png_ptr, png_infop info_ptr, png_timep mod_time)
-{
- png_debug1(1, "in %s storage function", "tIME");
- if (png_ptr == NULL || info_ptr == NULL ||
- (png_ptr->mode & PNG_WROTE_tIME))
- return;
-
- png_memcpy(&(info_ptr->mod_time), mod_time, png_sizeof(png_time));
- info_ptr->valid |= PNG_INFO_tIME;
-}
-#endif
-
-#if defined(PNG_tRNS_SUPPORTED)
-void PNGAPI
-png_set_tRNS(png_structp png_ptr, png_infop info_ptr,
- png_bytep trans, int num_trans, png_color_16p trans_values)
-{
- png_debug1(1, "in %s storage function", "tRNS");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- if (trans != NULL)
- {
- /*
- * It may not actually be necessary to set png_ptr->trans here;
- * we do it for backward compatibility with the way the png_handle_tRNS
- * function used to do the allocation.
- */
-
-#ifdef PNG_FREE_ME_SUPPORTED
- png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0);
-#endif
-
- /* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */
- png_ptr->trans = info_ptr->trans = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)PNG_MAX_PALETTE_LENGTH);
- if (num_trans > 0 && num_trans <= PNG_MAX_PALETTE_LENGTH)
- png_memcpy(info_ptr->trans, trans, (png_size_t)num_trans);
- }
-
- if (trans_values != NULL)
- {
- int sample_max = (1 << info_ptr->bit_depth);
- if ((info_ptr->color_type == PNG_COLOR_TYPE_GRAY &&
- (int)trans_values->gray > sample_max) ||
- (info_ptr->color_type == PNG_COLOR_TYPE_RGB &&
- ((int)trans_values->red > sample_max ||
- (int)trans_values->green > sample_max ||
- (int)trans_values->blue > sample_max)))
- png_warning(png_ptr,
- "tRNS chunk has out-of-range samples for bit_depth");
- png_memcpy(&(info_ptr->trans_values), trans_values,
- png_sizeof(png_color_16));
- if (num_trans == 0)
- num_trans = 1;
- }
-
- info_ptr->num_trans = (png_uint_16)num_trans;
- if (num_trans != 0)
- {
- info_ptr->valid |= PNG_INFO_tRNS;
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_TRNS;
-#else
- png_ptr->flags |= PNG_FLAG_FREE_TRNS;
-#endif
- }
-}
-#endif
-
-#if defined(PNG_sPLT_SUPPORTED)
-void PNGAPI
-png_set_sPLT(png_structp png_ptr,
- png_infop info_ptr, png_sPLT_tp entries, int nentries)
-/*
- * entries - array of png_sPLT_t structures
- * to be added to the list of palettes
- * in the info structure.
- * nentries - number of palette structures to be
- * added.
- */
-{
- png_sPLT_tp np;
- int i;
-
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- np = (png_sPLT_tp)png_malloc_warn(png_ptr,
- (info_ptr->splt_palettes_num + nentries) *
- (png_uint_32)png_sizeof(png_sPLT_t));
- if (np == NULL)
- {
- png_warning(png_ptr, "No memory for sPLT palettes.");
- return;
- }
-
- png_memcpy(np, info_ptr->splt_palettes,
- info_ptr->splt_palettes_num * png_sizeof(png_sPLT_t));
- png_free(png_ptr, info_ptr->splt_palettes);
- info_ptr->splt_palettes=NULL;
-
- for (i = 0; i < nentries; i++)
- {
- png_sPLT_tp to = np + info_ptr->splt_palettes_num + i;
- png_sPLT_tp from = entries + i;
- png_uint_32 length;
-
- length = png_strlen(from->name) + 1;
- to->name = (png_charp)png_malloc_warn(png_ptr, length);
- if (to->name == NULL)
- {
- png_warning(png_ptr,
- "Out of memory while processing sPLT chunk");
- continue;
- }
- png_memcpy(to->name, from->name, length);
- to->entries = (png_sPLT_entryp)png_malloc_warn(png_ptr,
- (png_uint_32)(from->nentries * png_sizeof(png_sPLT_entry)));
- if (to->entries == NULL)
- {
- png_warning(png_ptr,
- "Out of memory while processing sPLT chunk");
- png_free(png_ptr, to->name);
- to->name = NULL;
- continue;
- }
- png_memcpy(to->entries, from->entries,
- from->nentries * png_sizeof(png_sPLT_entry));
- to->nentries = from->nentries;
- to->depth = from->depth;
- }
-
- info_ptr->splt_palettes = np;
- info_ptr->splt_palettes_num += nentries;
- info_ptr->valid |= PNG_INFO_sPLT;
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_SPLT;
-#endif
-}
-#endif /* PNG_sPLT_SUPPORTED */
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
-void PNGAPI
-png_set_unknown_chunks(png_structp png_ptr,
- png_infop info_ptr, png_unknown_chunkp unknowns, int num_unknowns)
-{
- png_unknown_chunkp np;
- int i;
-
- if (png_ptr == NULL || info_ptr == NULL || num_unknowns == 0)
- return;
-
- np = (png_unknown_chunkp)png_malloc_warn(png_ptr,
- (png_uint_32)((info_ptr->unknown_chunks_num + num_unknowns) *
- png_sizeof(png_unknown_chunk)));
- if (np == NULL)
- {
- png_warning(png_ptr,
- "Out of memory while processing unknown chunk.");
- return;
- }
-
- png_memcpy(np, info_ptr->unknown_chunks,
- info_ptr->unknown_chunks_num * png_sizeof(png_unknown_chunk));
- png_free(png_ptr, info_ptr->unknown_chunks);
- info_ptr->unknown_chunks=NULL;
-
- for (i = 0; i < num_unknowns; i++)
- {
- png_unknown_chunkp to = np + info_ptr->unknown_chunks_num + i;
- png_unknown_chunkp from = unknowns + i;
-
- png_memcpy((png_charp)to->name,
- (png_charp)from->name,
- png_sizeof(from->name));
- to->name[png_sizeof(to->name)-1] = '\0';
- to->size = from->size;
- /* Note our location in the read or write sequence */
- to->location = (png_byte)(png_ptr->mode & 0xff);
-
- if (from->size == 0)
- to->data=NULL;
- else
- {
- to->data = (png_bytep)png_malloc_warn(png_ptr,
- (png_uint_32)from->size);
- if (to->data == NULL)
- {
- png_warning(png_ptr,
- "Out of memory while processing unknown chunk.");
- to->size = 0;
- }
- else
- png_memcpy(to->data, from->data, from->size);
- }
- }
-
- info_ptr->unknown_chunks = np;
- info_ptr->unknown_chunks_num += num_unknowns;
-#ifdef PNG_FREE_ME_SUPPORTED
- info_ptr->free_me |= PNG_FREE_UNKN;
-#endif
-}
-void PNGAPI
-png_set_unknown_chunk_location(png_structp png_ptr, png_infop info_ptr,
- int chunk, int location)
-{
- if (png_ptr != NULL && info_ptr != NULL && chunk >= 0 && chunk <
- (int)info_ptr->unknown_chunks_num)
- info_ptr->unknown_chunks[chunk].location = (png_byte)location;
-}
-#endif
-
-#if defined(PNG_1_0_X) || defined(PNG_1_2_X)
-#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \
- defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED)
-void PNGAPI
-png_permit_empty_plte (png_structp png_ptr, int empty_plte_permitted)
-{
- /* This function is deprecated in favor of png_permit_mng_features()
- and will be removed from libpng-1.3.0 */
- png_debug(1, "in png_permit_empty_plte, DEPRECATED.");
- if (png_ptr == NULL)
- return;
- png_ptr->mng_features_permitted = (png_byte)
- ((png_ptr->mng_features_permitted & (~PNG_FLAG_MNG_EMPTY_PLTE)) |
- ((empty_plte_permitted & PNG_FLAG_MNG_EMPTY_PLTE)));
-}
-#endif
-#endif
-
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
-png_uint_32 PNGAPI
-png_permit_mng_features (png_structp png_ptr, png_uint_32 mng_features)
-{
- png_debug(1, "in png_permit_mng_features");
- if (png_ptr == NULL)
- return (png_uint_32)0;
- png_ptr->mng_features_permitted =
- (png_byte)(mng_features & PNG_ALL_MNG_FEATURES);
- return (png_uint_32)png_ptr->mng_features_permitted;
-}
-#endif
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
-void PNGAPI
-png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
- chunk_list, int num_chunks)
-{
- png_bytep new_list, p;
- int i, old_num_chunks;
- if (png_ptr == NULL)
- return;
- if (num_chunks == 0)
- {
- if (keep == PNG_HANDLE_CHUNK_ALWAYS || keep == PNG_HANDLE_CHUNK_IF_SAFE)
- png_ptr->flags |= PNG_FLAG_KEEP_UNKNOWN_CHUNKS;
- else
- png_ptr->flags &= ~PNG_FLAG_KEEP_UNKNOWN_CHUNKS;
-
- if (keep == PNG_HANDLE_CHUNK_ALWAYS)
- png_ptr->flags |= PNG_FLAG_KEEP_UNSAFE_CHUNKS;
- else
- png_ptr->flags &= ~PNG_FLAG_KEEP_UNSAFE_CHUNKS;
- return;
- }
- if (chunk_list == NULL)
- return;
- old_num_chunks = png_ptr->num_chunk_list;
- new_list=(png_bytep)png_malloc(png_ptr,
- (png_uint_32)
- (5*(num_chunks + old_num_chunks)));
- if (png_ptr->chunk_list != NULL)
- {
- png_memcpy(new_list, png_ptr->chunk_list,
- (png_size_t)(5*old_num_chunks));
- png_free(png_ptr, png_ptr->chunk_list);
- png_ptr->chunk_list=NULL;
- }
- png_memcpy(new_list + 5*old_num_chunks, chunk_list,
- (png_size_t)(5*num_chunks));
- for (p = new_list + 5*old_num_chunks + 4, i = 0; i<num_chunks; i++, p += 5)
- *p=(png_byte)keep;
- png_ptr->num_chunk_list = old_num_chunks + num_chunks;
- png_ptr->chunk_list = new_list;
-#ifdef PNG_FREE_ME_SUPPORTED
- png_ptr->free_me |= PNG_FREE_LIST;
-#endif
-}
-#endif
-
-#if defined(PNG_READ_USER_CHUNKS_SUPPORTED)
-void PNGAPI
-png_set_read_user_chunk_fn(png_structp png_ptr, png_voidp user_chunk_ptr,
- png_user_chunk_ptr read_user_chunk_fn)
-{
- png_debug(1, "in png_set_read_user_chunk_fn");
- if (png_ptr == NULL)
- return;
- png_ptr->read_user_chunk_fn = read_user_chunk_fn;
- png_ptr->user_chunk_ptr = user_chunk_ptr;
-}
-#endif
-
-#if defined(PNG_INFO_IMAGE_SUPPORTED)
-void PNGAPI
-png_set_rows(png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers)
-{
- png_debug1(1, "in %s storage function", "rows");
-
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- if (info_ptr->row_pointers && (info_ptr->row_pointers != row_pointers))
- png_free_data(png_ptr, info_ptr, PNG_FREE_ROWS, 0);
- info_ptr->row_pointers = row_pointers;
- if (row_pointers)
- info_ptr->valid |= PNG_INFO_IDAT;
-}
-#endif
-
-#ifdef PNG_WRITE_SUPPORTED
-void PNGAPI
-png_set_compression_buffer_size(png_structp png_ptr,
- png_uint_32 size)
-{
- if (png_ptr == NULL)
- return;
- png_free(png_ptr, png_ptr->zbuf);
- png_ptr->zbuf_size = (png_size_t)size;
- png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, size);
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
-}
-#endif
-
-void PNGAPI
-png_set_invalid(png_structp png_ptr, png_infop info_ptr, int mask)
-{
- if (png_ptr && info_ptr)
- info_ptr->valid &= ~mask;
-}
-
-
-#ifndef PNG_1_0_X
-#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
-/* Function was added to libpng 1.2.0 and should always exist by default */
-void PNGAPI
-png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags)
-{
-/* Obsolete as of libpng-1.2.20 and will be removed from libpng-1.4.0 */
- if (png_ptr != NULL)
- png_ptr->asm_flags = 0;
- asm_flags = asm_flags; /* Quiet the compiler */
-}
-
-/* This function was added to libpng 1.2.0 */
-void PNGAPI
-png_set_mmx_thresholds (png_structp png_ptr,
- png_byte mmx_bitdepth_threshold,
- png_uint_32 mmx_rowbytes_threshold)
-{
-/* Obsolete as of libpng-1.2.20 and will be removed from libpng-1.4.0 */
- if (png_ptr == NULL)
- return;
- /* Quiet the compiler */
- mmx_bitdepth_threshold = mmx_bitdepth_threshold;
- mmx_rowbytes_threshold = mmx_rowbytes_threshold;
-}
-#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
-
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
-/* This function was added to libpng 1.2.6 */
-void PNGAPI
-png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max,
- png_uint_32 user_height_max)
-{
- /* Images with dimensions larger than these limits will be
- * rejected by png_set_IHDR(). To accept any PNG datastream
- * regardless of dimensions, set both limits to 0x7ffffffL.
- */
- if (png_ptr == NULL)
- return;
- png_ptr->user_width_max = user_width_max;
- png_ptr->user_height_max = user_height_max;
-}
-#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
-
-#endif /* ?PNG_1_0_X */
-#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
+++ /dev/null
-
-/* pngtest.c - a simple test program to test libpng
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * This program reads in a PNG image, writes it out again, and then
- * compares the two files. If the files are identical, this shows that
- * the basic chunk handling, filtering, and (de)compression code is working
- * properly. It does not currently test all of the transforms, although
- * it probably should.
- *
- * The program will report "FAIL" in certain legitimate cases:
- * 1) when the compression level or filter selection method is changed.
- * 2) when the maximum IDAT size (PNG_ZBUF_SIZE in pngconf.h) is not 8192.
- * 3) unknown unsafe-to-copy ancillary chunks or unknown critical chunks
- * exist in the input file.
- * 4) others not listed here...
- * In these cases, it is best to check with another tool such as "pngcheck"
- * to see what the differences between the two files are.
- *
- * If a filename is given on the command-line, then this file is used
- * for the input, rather than the default "pngtest.png". This allows
- * testing a wide variety of files easily. You can also test a number
- * of files at once by typing "pngtest -m file1.png file2.png ..."
- */
-
-#include "png.h"
-
-#if defined(_WIN32_WCE)
-# if _WIN32_WCE < 211
- __error__ (f|w)printf functions are not supported on old WindowsCE.;
-# endif
-# include <windows.h>
-# include <stdlib.h>
-# define READFILE(file, data, length, check) \
- if (ReadFile(file, data, length, &check, NULL)) check = 0
-# define WRITEFILE(file, data, length, check)) \
- if (WriteFile(file, data, length, &check, NULL)) check = 0
-# define FCLOSE(file) CloseHandle(file)
-#else
-# include <stdio.h>
-# include <stdlib.h>
-# define READFILE(file, data, length, check) \
- check=(png_size_t)fread(data, (png_size_t)1, length, file)
-# define WRITEFILE(file, data, length, check) \
- check=(png_size_t)fwrite(data, (png_size_t)1, length, file)
-# define FCLOSE(file) fclose(file)
-#endif
-
-#if defined(PNG_NO_STDIO)
-# if defined(_WIN32_WCE)
- typedef HANDLE png_FILE_p;
-# else
- typedef FILE * png_FILE_p;
-# endif
-#endif
-
-/* Makes pngtest verbose so we can find problems (needs to be before png.h) */
-#ifndef PNG_DEBUG
-# define PNG_DEBUG 0
-#endif
-
-#if !PNG_DEBUG
-# define SINGLE_ROWBUF_ALLOC /* Makes buffer overruns easier to nail */
-#endif
-
-/* Turn on CPU timing
-#define PNGTEST_TIMING
-*/
-
-#ifdef PNG_NO_FLOATING_POINT_SUPPORTED
-#undef PNGTEST_TIMING
-#endif
-
-#ifdef PNGTEST_TIMING
-static float t_start, t_stop, t_decode, t_encode, t_misc;
-#include <time.h>
-#endif
-
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
-#define PNG_tIME_STRING_LENGTH 29
-static int tIME_chunk_present = 0;
-static char tIME_string[PNG_tIME_STRING_LENGTH] = "tIME chunk is not present";
-#endif
-
-static int verbose = 0;
-
-int test_one_file PNGARG((PNG_CONST char *inname, PNG_CONST char *outname));
-
-#ifdef __TURBOC__
-#include <mem.h>
-#endif
-
-/* Defined so I can write to a file on gui/windowing platforms */
-/* #define STDERR stderr */
-#define STDERR stdout /* For DOS */
-
-/* In case a system header (e.g., on AIX) defined jmpbuf */
-#ifdef jmpbuf
-# undef jmpbuf
-#endif
-
-/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
-#ifndef png_jmpbuf
-# define png_jmpbuf(png_ptr) png_ptr->jmpbuf
-#endif
-
-/* Example of using row callbacks to make a simple progress meter */
-static int status_pass = 1;
-static int status_dots_requested = 0;
-static int status_dots = 1;
-
-void
-#ifdef PNG_1_0_X
-PNGAPI
-#endif
-read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
-void
-#ifdef PNG_1_0_X
-PNGAPI
-#endif
-read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
-{
- if (png_ptr == NULL || row_number > PNG_UINT_31_MAX)
- return;
- if (status_pass != pass)
- {
- fprintf(stdout, "\n Pass %d: ", pass);
- status_pass = pass;
- status_dots = 31;
- }
- status_dots--;
- if (status_dots == 0)
- {
- fprintf(stdout, "\n ");
- status_dots=30;
- }
- fprintf(stdout, "r");
-}
-
-void
-#ifdef PNG_1_0_X
-PNGAPI
-#endif
-write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass);
-void
-#ifdef PNG_1_0_X
-PNGAPI
-#endif
-write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass)
-{
- if (png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7)
- return;
- fprintf(stdout, "w");
-}
-
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
-/* Example of using user transform callback (we don't transform anything,
- * but merely examine the row filters. We set this to 256 rather than
- * 5 in case illegal filter values are present.)
- */
-static png_uint_32 filters_used[256];
-void
-#ifdef PNG_1_0_X
-PNGAPI
-#endif
-count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data);
-void
-#ifdef PNG_1_0_X
-PNGAPI
-#endif
-count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data)
-{
- if (png_ptr != NULL && row_info != NULL)
- ++filters_used[*(data - 1)];
-}
-#endif
-
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
-/* Example of using user transform callback (we don't transform anything,
- * but merely count the zero samples)
- */
-
-static png_uint_32 zero_samples;
-
-void
-#ifdef PNG_1_0_X
-PNGAPI
-#endif
-count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data);
-void
-#ifdef PNG_1_0_X
-PNGAPI
-#endif
-count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data)
-{
- png_bytep dp = data;
- if (png_ptr == NULL)return;
-
- /* Contents of row_info:
- * png_uint_32 width width of row
- * png_uint_32 rowbytes number of bytes in row
- * png_byte color_type color type of pixels
- * png_byte bit_depth bit depth of samples
- * png_byte channels number of channels (1-4)
- * png_byte pixel_depth bits per pixel (depth*channels)
- */
-
- /* Counts the number of zero samples (or zero pixels if color_type is 3 */
-
- if (row_info->color_type == 0 || row_info->color_type == 3)
- {
- int pos = 0;
- png_uint_32 n, nstop;
- for (n = 0, nstop=row_info->width; n<nstop; n++)
- {
- if (row_info->bit_depth == 1)
- {
- if (((*dp << pos++ ) & 0x80) == 0)
- zero_samples++;
- if (pos == 8)
- {
- pos = 0;
- dp++;
- }
- }
- if (row_info->bit_depth == 2)
- {
- if (((*dp << (pos+=2)) & 0xc0) == 0)
- zero_samples++;
- if (pos == 8)
- {
- pos = 0;
- dp++;
- }
- }
- if (row_info->bit_depth == 4)
- {
- if (((*dp << (pos+=4)) & 0xf0) == 0)
- zero_samples++;
- if (pos == 8)
- {
- pos = 0;
- dp++;
- }
- }
- if (row_info->bit_depth == 8)
- if (*dp++ == 0)
- zero_samples++;
- if (row_info->bit_depth == 16)
- {
- if ((*dp | *(dp+1)) == 0)
- zero_samples++;
- dp+=2;
- }
- }
- }
- else /* Other color types */
- {
- png_uint_32 n, nstop;
- int channel;
- int color_channels = row_info->channels;
- if (row_info->color_type > 3)color_channels--;
-
- for (n = 0, nstop=row_info->width; n<nstop; n++)
- {
- for (channel = 0; channel < color_channels; channel++)
- {
- if (row_info->bit_depth == 8)
- if (*dp++ == 0)
- zero_samples++;
- if (row_info->bit_depth == 16)
- {
- if ((*dp | *(dp+1)) == 0)
- zero_samples++;
- dp+=2;
- }
- }
- if (row_info->color_type > 3)
- {
- dp++;
- if (row_info->bit_depth == 16)
- dp++;
- }
- }
- }
-}
-#endif /* PNG_WRITE_USER_TRANSFORM_SUPPORTED */
-
-static int wrote_question = 0;
-
-#if defined(PNG_NO_STDIO)
-/* START of code to validate stdio-free compilation */
-/* These copies of the default read/write functions come from pngrio.c and
- * pngwio.c. They allow "don't include stdio" testing of the library.
- * This is the function that does the actual reading of data. If you are
- * not reading from a standard C stream, you should create a replacement
- * read_data function and use it at run time with png_set_read_fn(), rather
- * than changing the library.
- */
-
-#ifndef USE_FAR_KEYWORD
-static void
-pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_size_t check;
-
- /* fread() returns 0 on error, so it is OK to store this in a png_size_t
- * instead of an int, which is what fread() actually returns.
- */
- READFILE((png_FILE_p)png_ptr->io_ptr, data, length, check);
-
- if (check != length)
- {
- png_error(png_ptr, "Read Error!");
- }
-}
-#else
-/* This is the model-independent version. Since the standard I/O library
- can't handle far buffers in the medium and small models, we have to copy
- the data.
-*/
-
-#define NEAR_BUF_SIZE 1024
-#define MIN(a,b) (a <= b ? a : b)
-
-static void
-pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- int check;
- png_byte *n_data;
- png_FILE_p io_ptr;
-
- /* Check if data really is near. If so, use usual code. */
- n_data = (png_byte *)CVT_PTR_NOCHECK(data);
- io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
- if ((png_bytep)n_data == data)
- {
- READFILE(io_ptr, n_data, length, check);
- }
- else
- {
- png_byte buf[NEAR_BUF_SIZE];
- png_size_t read, remaining, err;
- check = 0;
- remaining = length;
- do
- {
- read = MIN(NEAR_BUF_SIZE, remaining);
- READFILE(io_ptr, buf, 1, err);
- png_memcpy(data, buf, read); /* Copy far buffer to near buffer */
- if (err != read)
- break;
- else
- check += err;
- data += read;
- remaining -= read;
- }
- while (remaining != 0);
- }
- if (check != length)
- png_error(png_ptr, "read Error");
-}
-#endif /* USE_FAR_KEYWORD */
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
-static void
-pngtest_flush(png_structp png_ptr)
-{
- /* Do nothing; fflush() is said to be just a waste of energy. */
- png_ptr = png_ptr; /* Stifle compiler warning */
-}
-#endif
-
-/* This is the function that does the actual writing of data. If you are
- * not writing to a standard C stream, you should create a replacement
- * write_data function and use it at run time with png_set_write_fn(), rather
- * than changing the library.
- */
-#ifndef USE_FAR_KEYWORD
-static void
-pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_uint_32 check;
-
- WRITEFILE((png_FILE_p)png_ptr->io_ptr, data, length, check);
- if (check != length)
- {
- png_error(png_ptr, "Write Error");
- }
-}
-#else
-/* This is the model-independent version. Since the standard I/O library
- can't handle far buffers in the medium and small models, we have to copy
- the data.
-*/
-
-#define NEAR_BUF_SIZE 1024
-#define MIN(a,b) (a <= b ? a : b)
-
-static void
-pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_uint_32 check;
- png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */
- png_FILE_p io_ptr;
-
- /* Check if data really is near. If so, use usual code. */
- near_data = (png_byte *)CVT_PTR_NOCHECK(data);
- io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
- if ((png_bytep)near_data == data)
- {
- WRITEFILE(io_ptr, near_data, length, check);
- }
- else
- {
- png_byte buf[NEAR_BUF_SIZE];
- png_size_t written, remaining, err;
- check = 0;
- remaining = length;
- do
- {
- written = MIN(NEAR_BUF_SIZE, remaining);
- png_memcpy(buf, data, written); /* Copy far buffer to near buffer */
- WRITEFILE(io_ptr, buf, written, err);
- if (err != written)
- break;
- else
- check += err;
- data += written;
- remaining -= written;
- }
- while (remaining != 0);
- }
- if (check != length)
- {
- png_error(png_ptr, "Write Error");
- }
-}
-#endif /* USE_FAR_KEYWORD */
-
-/* This function is called when there is a warning, but the library thinks
- * it can continue anyway. Replacement functions don't have to do anything
- * here if you don't want to. In the default configuration, png_ptr is
- * not used, but it is passed in case it may be useful.
- */
-static void
-pngtest_warning(png_structp png_ptr, png_const_charp message)
-{
- PNG_CONST char *name = "UNKNOWN (ERROR!)";
- if (png_ptr != NULL && png_ptr->error_ptr != NULL)
- name = png_ptr->error_ptr;
- fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
-}
-
-/* This is the default error handling function. Note that replacements for
- * this function MUST NOT RETURN, or the program will likely crash. This
- * function is used by default, or if the program supplies NULL for the
- * error function pointer in png_set_error_fn().
- */
-static void
-pngtest_error(png_structp png_ptr, png_const_charp message)
-{
- pngtest_warning(png_ptr, message);
- /* We can return because png_error calls the default handler, which is
- * actually OK in this case.
- */
-}
-#endif /* PNG_NO_STDIO */
-/* END of code to validate stdio-free compilation */
-
-/* START of code to validate memory allocation and deallocation */
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
-
-/* Allocate memory. For reasonable files, size should never exceed
- * 64K. However, zlib may allocate more then 64K if you don't tell
- * it not to. See zconf.h and png.h for more information. zlib does
- * need to allocate exactly 64K, so whatever you call here must
- * have the ability to do that.
- *
- * This piece of code can be compiled to validate max 64K allocations
- * by setting MAXSEG_64K in zlib zconf.h *or* PNG_MAX_MALLOC_64K.
- */
-typedef struct memory_information
-{
- png_uint_32 size;
- png_voidp pointer;
- struct memory_information FAR *next;
-} memory_information;
-typedef memory_information FAR *memory_infop;
-
-static memory_infop pinformation = NULL;
-static int current_allocation = 0;
-static int maximum_allocation = 0;
-static int total_allocation = 0;
-static int num_allocations = 0;
-
-png_voidp png_debug_malloc PNGARG((png_structp png_ptr, png_uint_32 size));
-void png_debug_free PNGARG((png_structp png_ptr, png_voidp ptr));
-
-png_voidp
-png_debug_malloc(png_structp png_ptr, png_uint_32 size)
-{
-
- /* png_malloc has already tested for NULL; png_create_struct calls
- * png_debug_malloc directly, with png_ptr == NULL which is OK
- */
-
- if (size == 0)
- return (NULL);
-
- /* This calls the library allocator twice, once to get the requested
- buffer and once to get a new free list entry. */
- {
- /* Disable malloc_fn and free_fn */
- memory_infop pinfo;
- png_set_mem_fn(png_ptr, NULL, NULL, NULL);
- pinfo = (memory_infop)png_malloc(png_ptr,
- (png_uint_32)png_sizeof(*pinfo));
- pinfo->size = size;
- current_allocation += size;
- total_allocation += size;
- num_allocations ++;
- if (current_allocation > maximum_allocation)
- maximum_allocation = current_allocation;
- pinfo->pointer = (png_voidp)png_malloc(png_ptr, size);
- /* Restore malloc_fn and free_fn */
- png_set_mem_fn(png_ptr,
- png_voidp_NULL, (png_malloc_ptr)png_debug_malloc,
- (png_free_ptr)png_debug_free);
- if (size != 0 && pinfo->pointer == NULL)
- {
- current_allocation -= size;
- total_allocation -= size;
- png_error(png_ptr,
- "out of memory in pngtest->png_debug_malloc.");
- }
- pinfo->next = pinformation;
- pinformation = pinfo;
- /* Make sure the caller isn't assuming zeroed memory. */
- png_memset(pinfo->pointer, 0xdd, pinfo->size);
- if (verbose)
- printf("png_malloc %lu bytes at %x\n", (unsigned long)size,
- pinfo->pointer);
- return (png_voidp)(pinfo->pointer);
- }
-}
-
-/* Free a pointer. It is removed from the list at the same time. */
-void
-png_debug_free(png_structp png_ptr, png_voidp ptr)
-{
- if (png_ptr == NULL)
- fprintf(STDERR, "NULL pointer to png_debug_free.\n");
- if (ptr == 0)
- {
-#if 0 /* This happens all the time. */
- fprintf(STDERR, "WARNING: freeing NULL pointer\n");
-#endif
- return;
- }
-
- /* Unlink the element from the list. */
- {
- memory_infop FAR *ppinfo = &pinformation;
- for (;;)
- {
- memory_infop pinfo = *ppinfo;
- if (pinfo->pointer == ptr)
- {
- *ppinfo = pinfo->next;
- current_allocation -= pinfo->size;
- if (current_allocation < 0)
- fprintf(STDERR, "Duplicate free of memory\n");
- /* We must free the list element too, but first kill
- the memory that is to be freed. */
- png_memset(ptr, 0x55, pinfo->size);
- png_free_default(png_ptr, pinfo);
- pinfo = NULL;
- break;
- }
- if (pinfo->next == NULL)
- {
- fprintf(STDERR, "Pointer %x not found\n", (unsigned int)ptr);
- break;
- }
- ppinfo = &pinfo->next;
- }
- }
-
- /* Finally free the data. */
- if (verbose)
- printf("Freeing %x\n", ptr);
- png_free_default(png_ptr, ptr);
- ptr = NULL;
-}
-#endif /* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */
-/* END of code to test memory allocation/deallocation */
-
-
-/* Demonstration of user chunk support of the sTER and vpAg chunks */
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
-
-/* (sTER is a public chunk not yet known by libpng. vpAg is a private
-chunk used in ImageMagick to store "virtual page" size). */
-
-static png_uint_32 user_chunk_data[4];
-
- /* 0: sTER mode + 1
- * 1: vpAg width
- * 2: vpAg height
- * 3: vpAg units
- */
-
-static int read_user_chunk_callback(png_struct *png_ptr,
- png_unknown_chunkp chunk)
-{
- png_uint_32
- *my_user_chunk_data;
-
- /* Return one of the following:
- * return (-n); chunk had an error
- * return (0); did not recognize
- * return (n); success
- *
- * The unknown chunk structure contains the chunk data:
- * png_byte name[5];
- * png_byte *data;
- * png_size_t size;
- *
- * Note that libpng has already taken care of the CRC handling.
- */
-
- if (chunk->name[0] == 115 && chunk->name[1] == 84 && /* s T */
- chunk->name[2] == 69 && chunk->name[3] == 82) /* E R */
- {
- /* Found sTER chunk */
- if (chunk->size != 1)
- return (-1); /* Error return */
- if (chunk->data[0] != 0 && chunk->data[0] != 1)
- return (-1); /* Invalid mode */
- my_user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr);
- my_user_chunk_data[0]=chunk->data[0]+1;
- return (1);
- }
-
- if (chunk->name[0] != 118 || chunk->name[1] != 112 || /* v p */
- chunk->name[2] != 65 || chunk->name[3] != 103) /* A g */
- return (0); /* Did not recognize */
-
- /* Found ImageMagick vpAg chunk */
-
- if (chunk->size != 9)
- return (-1); /* Error return */
-
- my_user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr);
-
- my_user_chunk_data[1]=png_get_uint_31(png_ptr, chunk->data);
- my_user_chunk_data[2]=png_get_uint_31(png_ptr, chunk->data + 4);
- my_user_chunk_data[3]=(png_uint_32)chunk->data[8];
-
- return (1);
-
-}
-#endif
-/* END of code to demonstrate user chunk support */
-
-/* Test one file */
-int
-test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
-{
- static png_FILE_p fpin;
- static png_FILE_p fpout; /* "static" prevents setjmp corruption */
- png_structp read_ptr;
- png_infop read_info_ptr, end_info_ptr;
-#ifdef PNG_WRITE_SUPPORTED
- png_structp write_ptr;
- png_infop write_info_ptr;
- png_infop write_end_info_ptr;
-#else
- png_structp write_ptr = NULL;
- png_infop write_info_ptr = NULL;
- png_infop write_end_info_ptr = NULL;
-#endif
- png_bytep row_buf;
- png_uint_32 y;
- png_uint_32 width, height;
- int num_pass, pass;
- int bit_depth, color_type;
-#ifdef PNG_SETJMP_SUPPORTED
-#ifdef USE_FAR_KEYWORD
- jmp_buf jmpbuf;
-#endif
-#endif
-
-#if defined(_WIN32_WCE)
- TCHAR path[MAX_PATH];
-#endif
- char inbuf[256], outbuf[256];
-
- row_buf = NULL;
-
-#if defined(_WIN32_WCE)
- MultiByteToWideChar(CP_ACP, 0, inname, -1, path, MAX_PATH);
- if ((fpin = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE)
-#else
- if ((fpin = fopen(inname, "rb")) == NULL)
-#endif
- {
- fprintf(STDERR, "Could not find input file %s\n", inname);
- return (1);
- }
-
-#if defined(_WIN32_WCE)
- MultiByteToWideChar(CP_ACP, 0, outname, -1, path, MAX_PATH);
- if ((fpout = CreateFile(path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL)) == INVALID_HANDLE_VALUE)
-#else
- if ((fpout = fopen(outname, "wb")) == NULL)
-#endif
- {
- fprintf(STDERR, "Could not open output file %s\n", outname);
- FCLOSE(fpin);
- return (1);
- }
-
- png_debug(0, "Allocating read and write structures");
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
- read_ptr =
- png_create_read_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
- png_error_ptr_NULL, png_error_ptr_NULL, png_voidp_NULL,
- (png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free);
-#else
- read_ptr =
- png_create_read_struct(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
- png_error_ptr_NULL, png_error_ptr_NULL);
-#endif
-#if defined(PNG_NO_STDIO)
- png_set_error_fn(read_ptr, (png_voidp)inname, pngtest_error,
- pngtest_warning);
-#endif
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- user_chunk_data[0] = 0;
- user_chunk_data[1] = 0;
- user_chunk_data[2] = 0;
- user_chunk_data[3] = 0;
- png_set_read_user_chunk_fn(read_ptr, user_chunk_data,
- read_user_chunk_callback);
-
-#endif
-#ifdef PNG_WRITE_SUPPORTED
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
- write_ptr =
- png_create_write_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
- png_error_ptr_NULL, png_error_ptr_NULL, png_voidp_NULL,
- (png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free);
-#else
- write_ptr =
- png_create_write_struct(PNG_LIBPNG_VER_STRING, png_voidp_NULL,
- png_error_ptr_NULL, png_error_ptr_NULL);
-#endif
-#if defined(PNG_NO_STDIO)
- png_set_error_fn(write_ptr, (png_voidp)inname, pngtest_error,
- pngtest_warning);
-#endif
-#endif
- png_debug(0, "Allocating read_info, write_info and end_info structures");
- read_info_ptr = png_create_info_struct(read_ptr);
- end_info_ptr = png_create_info_struct(read_ptr);
-#ifdef PNG_WRITE_SUPPORTED
- write_info_ptr = png_create_info_struct(write_ptr);
- write_end_info_ptr = png_create_info_struct(write_ptr);
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
- png_debug(0, "Setting jmpbuf for read struct");
-#ifdef USE_FAR_KEYWORD
- if (setjmp(jmpbuf))
-#else
- if (setjmp(png_jmpbuf(read_ptr)))
-#endif
- {
- fprintf(STDERR, "%s -> %s: libpng read error\n", inname, outname);
- png_free(read_ptr, row_buf);
- row_buf = NULL;
- png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
-#ifdef PNG_WRITE_SUPPORTED
- png_destroy_info_struct(write_ptr, &write_end_info_ptr);
- png_destroy_write_struct(&write_ptr, &write_info_ptr);
-#endif
- FCLOSE(fpin);
- FCLOSE(fpout);
- return (1);
- }
-#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(read_ptr), jmpbuf, png_sizeof(jmp_buf));
-#endif
-
-#ifdef PNG_WRITE_SUPPORTED
- png_debug(0, "Setting jmpbuf for write struct");
-#ifdef USE_FAR_KEYWORD
- if (setjmp(jmpbuf))
-#else
- if (setjmp(png_jmpbuf(write_ptr)))
-#endif
- {
- fprintf(STDERR, "%s -> %s: libpng write error\n", inname, outname);
- png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
- png_destroy_info_struct(write_ptr, &write_end_info_ptr);
-#ifdef PNG_WRITE_SUPPORTED
- png_destroy_write_struct(&write_ptr, &write_info_ptr);
-#endif
- FCLOSE(fpin);
- FCLOSE(fpout);
- return (1);
- }
-#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(write_ptr), jmpbuf, png_sizeof(jmp_buf));
-#endif
-#endif
-#endif
-
- png_debug(0, "Initializing input and output streams");
-#if !defined(PNG_NO_STDIO)
- png_init_io(read_ptr, fpin);
-# ifdef PNG_WRITE_SUPPORTED
- png_init_io(write_ptr, fpout);
-# endif
-#else
- png_set_read_fn(read_ptr, (png_voidp)fpin, pngtest_read_data);
-# ifdef PNG_WRITE_SUPPORTED
- png_set_write_fn(write_ptr, (png_voidp)fpout, pngtest_write_data,
-# if defined(PNG_WRITE_FLUSH_SUPPORTED)
- pngtest_flush);
-# else
- NULL);
-# endif
-# endif
-#endif
- if (status_dots_requested == 1)
- {
-#ifdef PNG_WRITE_SUPPORTED
- png_set_write_status_fn(write_ptr, write_row_callback);
-#endif
- png_set_read_status_fn(read_ptr, read_row_callback);
- }
- else
- {
-#ifdef PNG_WRITE_SUPPORTED
- png_set_write_status_fn(write_ptr, png_write_status_ptr_NULL);
-#endif
- png_set_read_status_fn(read_ptr, png_read_status_ptr_NULL);
- }
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- {
- int i;
- for (i = 0; i<256; i++)
- filters_used[i] = 0;
- png_set_read_user_transform_fn(read_ptr, count_filters);
- }
-#endif
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- zero_samples = 0;
- png_set_write_user_transform_fn(write_ptr, count_zero_samples);
-#endif
-
-#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
-# ifndef PNG_HANDLE_CHUNK_ALWAYS
-# define PNG_HANDLE_CHUNK_ALWAYS 3
-# endif
- png_set_keep_unknown_chunks(read_ptr, PNG_HANDLE_CHUNK_ALWAYS,
- png_bytep_NULL, 0);
-#endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
-# ifndef PNG_HANDLE_CHUNK_IF_SAFE
-# define PNG_HANDLE_CHUNK_IF_SAFE 2
-# endif
- png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_IF_SAFE,
- png_bytep_NULL, 0);
-#endif
-
- png_debug(0, "Reading info struct");
- png_read_info(read_ptr, read_info_ptr);
-
- png_debug(0, "Transferring info struct");
- {
- int interlace_type, compression_type, filter_type;
-
- if (png_get_IHDR(read_ptr, read_info_ptr, &width, &height, &bit_depth,
- &color_type, &interlace_type, &compression_type, &filter_type))
- {
- png_set_IHDR(write_ptr, write_info_ptr, width, height, bit_depth,
-#if defined(PNG_WRITE_INTERLACING_SUPPORTED)
- color_type, interlace_type, compression_type, filter_type);
-#else
- color_type, PNG_INTERLACE_NONE, compression_type, filter_type);
-#endif
- }
- }
-#if defined(PNG_FIXED_POINT_SUPPORTED)
-#if defined(PNG_cHRM_SUPPORTED)
- {
- png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x,
- blue_y;
- if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y, &red_x,
- &red_y, &green_x, &green_y, &blue_x, &blue_y))
- {
- png_set_cHRM_fixed(write_ptr, write_info_ptr, white_x, white_y, red_x,
- red_y, green_x, green_y, blue_x, blue_y);
- }
- }
-#endif
-#if defined(PNG_gAMA_SUPPORTED)
- {
- png_fixed_point gamma;
-
- if (png_get_gAMA_fixed(read_ptr, read_info_ptr, &gamma))
- png_set_gAMA_fixed(write_ptr, write_info_ptr, gamma);
- }
-#endif
-#else /* Use floating point versions */
-#if defined(PNG_FLOATING_POINT_SUPPORTED)
-#if defined(PNG_cHRM_SUPPORTED)
- {
- double white_x, white_y, red_x, red_y, green_x, green_y, blue_x,
- blue_y;
- if (png_get_cHRM(read_ptr, read_info_ptr, &white_x, &white_y, &red_x,
- &red_y, &green_x, &green_y, &blue_x, &blue_y))
- {
- png_set_cHRM(write_ptr, write_info_ptr, white_x, white_y, red_x,
- red_y, green_x, green_y, blue_x, blue_y);
- }
- }
-#endif
-#if defined(PNG_gAMA_SUPPORTED)
- {
- double gamma;
-
- if (png_get_gAMA(read_ptr, read_info_ptr, &gamma))
- png_set_gAMA(write_ptr, write_info_ptr, gamma);
- }
-#endif
-#endif /* Floating point */
-#endif /* Fixed point */
-#if defined(PNG_iCCP_SUPPORTED)
- {
- png_charp name;
- png_charp profile;
- png_uint_32 proflen;
- int compression_type;
-
- if (png_get_iCCP(read_ptr, read_info_ptr, &name, &compression_type,
- &profile, &proflen))
- {
- png_set_iCCP(write_ptr, write_info_ptr, name, compression_type,
- profile, proflen);
- }
- }
-#endif
-#if defined(PNG_sRGB_SUPPORTED)
- {
- int intent;
-
- if (png_get_sRGB(read_ptr, read_info_ptr, &intent))
- png_set_sRGB(write_ptr, write_info_ptr, intent);
- }
-#endif
- {
- png_colorp palette;
- int num_palette;
-
- if (png_get_PLTE(read_ptr, read_info_ptr, &palette, &num_palette))
- png_set_PLTE(write_ptr, write_info_ptr, palette, num_palette);
- }
-#if defined(PNG_bKGD_SUPPORTED)
- {
- png_color_16p background;
-
- if (png_get_bKGD(read_ptr, read_info_ptr, &background))
- {
- png_set_bKGD(write_ptr, write_info_ptr, background);
- }
- }
-#endif
-#if defined(PNG_hIST_SUPPORTED)
- {
- png_uint_16p hist;
-
- if (png_get_hIST(read_ptr, read_info_ptr, &hist))
- png_set_hIST(write_ptr, write_info_ptr, hist);
- }
-#endif
-#if defined(PNG_oFFs_SUPPORTED)
- {
- png_int_32 offset_x, offset_y;
- int unit_type;
-
- if (png_get_oFFs(read_ptr, read_info_ptr, &offset_x, &offset_y,
- &unit_type))
- {
- png_set_oFFs(write_ptr, write_info_ptr, offset_x, offset_y, unit_type);
- }
- }
-#endif
-#if defined(PNG_pCAL_SUPPORTED)
- {
- png_charp purpose, units;
- png_charpp params;
- png_int_32 X0, X1;
- int type, nparams;
-
- if (png_get_pCAL(read_ptr, read_info_ptr, &purpose, &X0, &X1, &type,
- &nparams, &units, ¶ms))
- {
- png_set_pCAL(write_ptr, write_info_ptr, purpose, X0, X1, type,
- nparams, units, params);
- }
- }
-#endif
-#if defined(PNG_pHYs_SUPPORTED)
- {
- png_uint_32 res_x, res_y;
- int unit_type;
-
- if (png_get_pHYs(read_ptr, read_info_ptr, &res_x, &res_y, &unit_type))
- png_set_pHYs(write_ptr, write_info_ptr, res_x, res_y, unit_type);
- }
-#endif
-#if defined(PNG_sBIT_SUPPORTED)
- {
- png_color_8p sig_bit;
-
- if (png_get_sBIT(read_ptr, read_info_ptr, &sig_bit))
- png_set_sBIT(write_ptr, write_info_ptr, sig_bit);
- }
-#endif
-#if defined(PNG_sCAL_SUPPORTED)
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- {
- int unit;
- double scal_width, scal_height;
-
- if (png_get_sCAL(read_ptr, read_info_ptr, &unit, &scal_width,
- &scal_height))
- {
- png_set_sCAL(write_ptr, write_info_ptr, unit, scal_width, scal_height);
- }
- }
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
- {
- int unit;
- png_charp scal_width, scal_height;
-
- if (png_get_sCAL_s(read_ptr, read_info_ptr, &unit, &scal_width,
- &scal_height))
- {
- png_set_sCAL_s(write_ptr, write_info_ptr, unit, scal_width, scal_height);
- }
- }
-#endif
-#endif
-#endif
-#if defined(PNG_TEXT_SUPPORTED)
- {
- png_textp text_ptr;
- int num_text;
-
- if (png_get_text(read_ptr, read_info_ptr, &text_ptr, &num_text) > 0)
- {
- png_debug1(0, "Handling %d iTXt/tEXt/zTXt chunks", num_text);
- png_set_text(write_ptr, write_info_ptr, text_ptr, num_text);
- }
- }
-#endif
-#if defined(PNG_tIME_SUPPORTED)
- {
- png_timep mod_time;
-
- if (png_get_tIME(read_ptr, read_info_ptr, &mod_time))
- {
- png_set_tIME(write_ptr, write_info_ptr, mod_time);
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
- /* We have to use png_memcpy instead of "=" because the string
- * pointed to by png_convert_to_rfc1123() gets free'ed before
- * we use it.
- */
- png_memcpy(tIME_string,
- png_convert_to_rfc1123(read_ptr, mod_time),
- png_sizeof(tIME_string));
- tIME_string[png_sizeof(tIME_string) - 1] = '\0';
- tIME_chunk_present++;
-#endif /* PNG_TIME_RFC1123_SUPPORTED */
- }
- }
-#endif
-#if defined(PNG_tRNS_SUPPORTED)
- {
- png_bytep trans;
- int num_trans;
- png_color_16p trans_values;
-
- if (png_get_tRNS(read_ptr, read_info_ptr, &trans, &num_trans,
- &trans_values))
- {
- int sample_max = (1 << read_info_ptr->bit_depth);
- /* libpng doesn't reject a tRNS chunk with out-of-range samples */
- if (!((read_info_ptr->color_type == PNG_COLOR_TYPE_GRAY &&
- (int)trans_values->gray > sample_max) ||
- (read_info_ptr->color_type == PNG_COLOR_TYPE_RGB &&
- ((int)trans_values->red > sample_max ||
- (int)trans_values->green > sample_max ||
- (int)trans_values->blue > sample_max))))
- png_set_tRNS(write_ptr, write_info_ptr, trans, num_trans,
- trans_values);
- }
- }
-#endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
- {
- png_unknown_chunkp unknowns;
- int num_unknowns = (int)png_get_unknown_chunks(read_ptr, read_info_ptr,
- &unknowns);
- if (num_unknowns)
- {
- png_size_t i;
- png_set_unknown_chunks(write_ptr, write_info_ptr, unknowns,
- num_unknowns);
- /* Copy the locations from the read_info_ptr. The automatically
- * generated locations in write_info_ptr are wrong because we
- * haven't written anything yet.
- */
- for (i = 0; i < (png_size_t)num_unknowns; i++)
- png_set_unknown_chunk_location(write_ptr, write_info_ptr, i,
- unknowns[i].location);
- }
- }
-#endif
-
-#ifdef PNG_WRITE_SUPPORTED
- png_debug(0, "Writing info struct");
-
-/* If we wanted, we could write info in two steps:
- * png_write_info_before_PLTE(write_ptr, write_info_ptr);
- */
- png_write_info(write_ptr, write_info_ptr);
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- if (user_chunk_data[0] != 0)
- {
- png_byte png_sTER[5] = {115, 84, 69, 82, '\0'};
-
- unsigned char
- ster_chunk_data[1];
-
- if (verbose)
- fprintf(STDERR, "\n stereo mode = %lu\n",
- (unsigned long)(user_chunk_data[0] - 1));
- ster_chunk_data[0]=(unsigned char)(user_chunk_data[0] - 1);
- png_write_chunk(write_ptr, png_sTER, ster_chunk_data, 1);
- }
- if (user_chunk_data[1] != 0 || user_chunk_data[2] != 0)
- {
- png_byte png_vpAg[5] = {118, 112, 65, 103, '\0'};
-
- unsigned char
- vpag_chunk_data[9];
-
- if (verbose)
- fprintf(STDERR, " vpAg = %lu x %lu, units = %lu\n",
- (unsigned long)user_chunk_data[1],
- (unsigned long)user_chunk_data[2],
- (unsigned long)user_chunk_data[3]);
- png_save_uint_32(vpag_chunk_data, user_chunk_data[1]);
- png_save_uint_32(vpag_chunk_data + 4, user_chunk_data[2]);
- vpag_chunk_data[8] = (unsigned char)(user_chunk_data[3] & 0xff);
- png_write_chunk(write_ptr, png_vpAg, vpag_chunk_data, 9);
- }
-
-#endif
-#endif
-
-#ifdef SINGLE_ROWBUF_ALLOC
- png_debug(0, "Allocating row buffer...");
- row_buf = (png_bytep)png_malloc(read_ptr,
- png_get_rowbytes(read_ptr, read_info_ptr));
- png_debug1(0, "0x%08lx", (unsigned long)row_buf);
-#endif /* SINGLE_ROWBUF_ALLOC */
- png_debug(0, "Writing row data");
-
-#if defined(PNG_READ_INTERLACING_SUPPORTED) || \
- defined(PNG_WRITE_INTERLACING_SUPPORTED)
- num_pass = png_set_interlace_handling(read_ptr);
-# ifdef PNG_WRITE_SUPPORTED
- png_set_interlace_handling(write_ptr);
-# endif
-#else
- num_pass = 1;
-#endif
-
-#ifdef PNGTEST_TIMING
- t_stop = (float)clock();
- t_misc += (t_stop - t_start);
- t_start = t_stop;
-#endif
- for (pass = 0; pass < num_pass; pass++)
- {
- png_debug1(0, "Writing row data for pass %d", pass);
- for (y = 0; y < height; y++)
- {
-#ifndef SINGLE_ROWBUF_ALLOC
- png_debug2(0, "Allocating row buffer (pass %d, y = %ld)...", pass, y);
- row_buf = (png_bytep)png_malloc(read_ptr,
- png_get_rowbytes(read_ptr, read_info_ptr));
- png_debug2(0, "0x%08lx (%ld bytes)", (unsigned long)row_buf,
- png_get_rowbytes(read_ptr, read_info_ptr));
-#endif /* !SINGLE_ROWBUF_ALLOC */
- png_read_rows(read_ptr, (png_bytepp)&row_buf, png_bytepp_NULL, 1);
-
-#ifdef PNG_WRITE_SUPPORTED
-#ifdef PNGTEST_TIMING
- t_stop = (float)clock();
- t_decode += (t_stop - t_start);
- t_start = t_stop;
-#endif
- png_write_rows(write_ptr, (png_bytepp)&row_buf, 1);
-#ifdef PNGTEST_TIMING
- t_stop = (float)clock();
- t_encode += (t_stop - t_start);
- t_start = t_stop;
-#endif
-#endif /* PNG_WRITE_SUPPORTED */
-
-#ifndef SINGLE_ROWBUF_ALLOC
- png_debug2(0, "Freeing row buffer (pass %d, y = %ld)", pass, y);
- png_free(read_ptr, row_buf);
- row_buf = NULL;
-#endif /* !SINGLE_ROWBUF_ALLOC */
- }
- }
-
-#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
- png_free_data(read_ptr, read_info_ptr, PNG_FREE_UNKN, -1);
-#endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
- png_free_data(write_ptr, write_info_ptr, PNG_FREE_UNKN, -1);
-#endif
-
- png_debug(0, "Reading and writing end_info data");
-
- png_read_end(read_ptr, end_info_ptr);
-#if defined(PNG_TEXT_SUPPORTED)
- {
- png_textp text_ptr;
- int num_text;
-
- if (png_get_text(read_ptr, end_info_ptr, &text_ptr, &num_text) > 0)
- {
- png_debug1(0, "Handling %d iTXt/tEXt/zTXt chunks", num_text);
- png_set_text(write_ptr, write_end_info_ptr, text_ptr, num_text);
- }
- }
-#endif
-#if defined(PNG_tIME_SUPPORTED)
- {
- png_timep mod_time;
-
- if (png_get_tIME(read_ptr, end_info_ptr, &mod_time))
- {
- png_set_tIME(write_ptr, write_end_info_ptr, mod_time);
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
- /* We have to use png_memcpy instead of "=" because the string
- pointed to by png_convert_to_rfc1123() gets free'ed before
- we use it */
- png_memcpy(tIME_string,
- png_convert_to_rfc1123(read_ptr, mod_time),
- png_sizeof(tIME_string));
- tIME_string[png_sizeof(tIME_string) - 1] = '\0';
- tIME_chunk_present++;
-#endif /* PNG_TIME_RFC1123_SUPPORTED */
- }
- }
-#endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
- {
- png_unknown_chunkp unknowns;
- int num_unknowns;
- num_unknowns = (int)png_get_unknown_chunks(read_ptr, end_info_ptr,
- &unknowns);
- if (num_unknowns)
- {
- png_size_t i;
- png_set_unknown_chunks(write_ptr, write_end_info_ptr, unknowns,
- num_unknowns);
- /* Copy the locations from the read_info_ptr. The automatically
- * generated locations in write_end_info_ptr are wrong because we
- * haven't written the end_info yet.
- */
- for (i = 0; i < (png_size_t)num_unknowns; i++)
- png_set_unknown_chunk_location(write_ptr, write_end_info_ptr, i,
- unknowns[i].location);
- }
- }
-#endif
-#ifdef PNG_WRITE_SUPPORTED
- png_write_end(write_ptr, write_end_info_ptr);
-#endif
-
-#ifdef PNG_EASY_ACCESS_SUPPORTED
- if (verbose)
- {
- png_uint_32 iwidth, iheight;
- iwidth = png_get_image_width(write_ptr, write_info_ptr);
- iheight = png_get_image_height(write_ptr, write_info_ptr);
- fprintf(STDERR, "\n Image width = %lu, height = %lu\n",
- (unsigned long)iwidth, (unsigned long)iheight);
- }
-#endif
-
- png_debug(0, "Destroying data structs");
-#ifdef SINGLE_ROWBUF_ALLOC
- png_debug(1, "destroying row_buf for read_ptr");
- png_free(read_ptr, row_buf);
- row_buf = NULL;
-#endif /* SINGLE_ROWBUF_ALLOC */
- png_debug(1, "destroying read_ptr, read_info_ptr, end_info_ptr");
- png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
-#ifdef PNG_WRITE_SUPPORTED
- png_debug(1, "destroying write_end_info_ptr");
- png_destroy_info_struct(write_ptr, &write_end_info_ptr);
- png_debug(1, "destroying write_ptr, write_info_ptr");
- png_destroy_write_struct(&write_ptr, &write_info_ptr);
-#endif
- png_debug(0, "Destruction complete.");
-
- FCLOSE(fpin);
- FCLOSE(fpout);
-
- png_debug(0, "Opening files for comparison");
-#if defined(_WIN32_WCE)
- MultiByteToWideChar(CP_ACP, 0, inname, -1, path, MAX_PATH);
- if ((fpin = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE)
-#else
- if ((fpin = fopen(inname, "rb")) == NULL)
-#endif
- {
- fprintf(STDERR, "Could not find file %s\n", inname);
- return (1);
- }
-
-#if defined(_WIN32_WCE)
- MultiByteToWideChar(CP_ACP, 0, outname, -1, path, MAX_PATH);
- if ((fpout = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE)
-#else
- if ((fpout = fopen(outname, "rb")) == NULL)
-#endif
- {
- fprintf(STDERR, "Could not find file %s\n", outname);
- FCLOSE(fpin);
- return (1);
- }
-
- for (;;)
- {
- png_size_t num_in, num_out;
-
- READFILE(fpin, inbuf, 1, num_in);
- READFILE(fpout, outbuf, 1, num_out);
-
- if (num_in != num_out)
- {
- fprintf(STDERR, "\nFiles %s and %s are of a different size\n",
- inname, outname);
- if (wrote_question == 0)
- {
- fprintf(STDERR,
- " Was %s written with the same maximum IDAT chunk size (%d bytes),",
- inname, PNG_ZBUF_SIZE);
- fprintf(STDERR,
- "\n filtering heuristic (libpng default), compression");
- fprintf(STDERR,
- " level (zlib default),\n and zlib version (%s)?\n\n",
- ZLIB_VERSION);
- wrote_question = 1;
- }
- FCLOSE(fpin);
- FCLOSE(fpout);
- return (0);
- }
-
- if (!num_in)
- break;
-
- if (png_memcmp(inbuf, outbuf, num_in))
- {
- fprintf(STDERR, "\nFiles %s and %s are different\n", inname, outname);
- if (wrote_question == 0)
- {
- fprintf(STDERR,
- " Was %s written with the same maximum IDAT chunk size (%d bytes),",
- inname, PNG_ZBUF_SIZE);
- fprintf(STDERR,
- "\n filtering heuristic (libpng default), compression");
- fprintf(STDERR,
- " level (zlib default),\n and zlib version (%s)?\n\n",
- ZLIB_VERSION);
- wrote_question = 1;
- }
- FCLOSE(fpin);
- FCLOSE(fpout);
- return (0);
- }
- }
-
- FCLOSE(fpin);
- FCLOSE(fpout);
-
- return (0);
-}
-
-/* Input and output filenames */
-#ifdef RISCOS
-static PNG_CONST char *inname = "pngtest/png";
-static PNG_CONST char *outname = "pngout/png";
-#else
-static PNG_CONST char *inname = "pngtest.png";
-static PNG_CONST char *outname = "pngout.png";
-#endif
-
-int
-main(int argc, char *argv[])
-{
- int multiple = 0;
- int ierror = 0;
-
- fprintf(STDERR, "\n Testing libpng version %s\n", PNG_LIBPNG_VER_STRING);
- fprintf(STDERR, " with zlib version %s\n", ZLIB_VERSION);
- fprintf(STDERR, "%s", png_get_copyright(NULL));
- /* Show the version of libpng used in building the library */
- fprintf(STDERR, " library (%lu):%s",
- (unsigned long)png_access_version_number(),
- png_get_header_version(NULL));
- /* Show the version of libpng used in building the application */
- fprintf(STDERR, " pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER,
- PNG_HEADER_VERSION_STRING);
- fprintf(STDERR, " sizeof(png_struct)=%ld, sizeof(png_info)=%ld\n",
- (long)png_sizeof(png_struct), (long)png_sizeof(png_info));
-
- /* Do some consistency checking on the memory allocation settings, I'm
- * not sure this matters, but it is nice to know, the first of these
- * tests should be impossible because of the way the macros are set
- * in pngconf.h
- */
-#if defined(MAXSEG_64K) && !defined(PNG_MAX_MALLOC_64K)
- fprintf(STDERR, " NOTE: Zlib compiled for max 64k, libpng not\n");
-#endif
- /* I think the following can happen. */
-#if !defined(MAXSEG_64K) && defined(PNG_MAX_MALLOC_64K)
- fprintf(STDERR, " NOTE: libpng compiled for max 64k, zlib not\n");
-#endif
-
- if (strcmp(png_libpng_ver, PNG_LIBPNG_VER_STRING))
- {
- fprintf(STDERR,
- "Warning: versions are different between png.h and png.c\n");
- fprintf(STDERR, " png.h version: %s\n", PNG_LIBPNG_VER_STRING);
- fprintf(STDERR, " png.c version: %s\n\n", png_libpng_ver);
- ++ierror;
- }
-
- if (argc > 1)
- {
- if (strcmp(argv[1], "-m") == 0)
- {
- multiple = 1;
- status_dots_requested = 0;
- }
- else if (strcmp(argv[1], "-mv") == 0 ||
- strcmp(argv[1], "-vm") == 0 )
- {
- multiple = 1;
- verbose = 1;
- status_dots_requested = 1;
- }
- else if (strcmp(argv[1], "-v") == 0)
- {
- verbose = 1;
- status_dots_requested = 1;
- inname = argv[2];
- }
- else
- {
- inname = argv[1];
- status_dots_requested = 0;
- }
- }
-
- if (!multiple && argc == 3 + verbose)
- outname = argv[2 + verbose];
-
- if ((!multiple && argc > 3 + verbose) || (multiple && argc < 2))
- {
- fprintf(STDERR,
- "usage: %s [infile.png] [outfile.png]\n\t%s -m {infile.png}\n",
- argv[0], argv[0]);
- fprintf(STDERR,
- " reads/writes one PNG file (without -m) or multiple files (-m)\n");
- fprintf(STDERR,
- " with -m %s is used as a temporary file\n", outname);
- exit(1);
- }
-
- if (multiple)
- {
- int i;
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
- int allocation_now = current_allocation;
-#endif
- for (i=2; i<argc; ++i)
- {
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- int k;
-#endif
- int kerror;
- fprintf(STDERR, "\n Testing %s:", argv[i]);
- kerror = test_one_file(argv[i], outname);
- if (kerror == 0)
- {
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- fprintf(STDERR, "\n PASS (%lu zero samples)\n",
- (unsigned long)zero_samples);
-#else
- fprintf(STDERR, " PASS\n");
-#endif
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- for (k = 0; k<256; k++)
- if (filters_used[k])
- fprintf(STDERR, " Filter %d was used %lu times\n",
- k, (unsigned long)filters_used[k]);
-#endif
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
- if (tIME_chunk_present != 0)
- fprintf(STDERR, " tIME = %s\n", tIME_string);
- tIME_chunk_present = 0;
-#endif /* PNG_TIME_RFC1123_SUPPORTED */
- }
- else
- {
- fprintf(STDERR, " FAIL\n");
- ierror += kerror;
- }
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
- if (allocation_now != current_allocation)
- fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n",
- current_allocation - allocation_now);
- if (current_allocation != 0)
- {
- memory_infop pinfo = pinformation;
-
- fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n",
- current_allocation);
- while (pinfo != NULL)
- {
- fprintf(STDERR, " %lu bytes at %x\n",
- (unsigned long)pinfo->size,
- (unsigned int) pinfo->pointer);
- pinfo = pinfo->next;
- }
- }
-#endif
- }
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
- fprintf(STDERR, " Current memory allocation: %10d bytes\n",
- current_allocation);
- fprintf(STDERR, " Maximum memory allocation: %10d bytes\n",
- maximum_allocation);
- fprintf(STDERR, " Total memory allocation: %10d bytes\n",
- total_allocation);
- fprintf(STDERR, " Number of allocations: %10d\n",
- num_allocations);
-#endif
- }
- else
- {
- int i;
- for (i = 0; i<3; ++i)
- {
- int kerror;
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
- int allocation_now = current_allocation;
-#endif
- if (i == 1) status_dots_requested = 1;
- else if (verbose == 0)status_dots_requested = 0;
- if (i == 0 || verbose == 1 || ierror != 0)
- fprintf(STDERR, "\n Testing %s:", inname);
- kerror = test_one_file(inname, outname);
- if (kerror == 0)
- {
- if (verbose == 1 || i == 2)
- {
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- int k;
-#endif
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- fprintf(STDERR, "\n PASS (%lu zero samples)\n",
- (unsigned long)zero_samples);
-#else
- fprintf(STDERR, " PASS\n");
-#endif
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
- for (k = 0; k<256; k++)
- if (filters_used[k])
- fprintf(STDERR, " Filter %d was used %lu times\n",
- k,
- (unsigned long)filters_used[k]);
-#endif
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
- if (tIME_chunk_present != 0)
- fprintf(STDERR, " tIME = %s\n", tIME_string);
-#endif /* PNG_TIME_RFC1123_SUPPORTED */
- }
- }
- else
- {
- if (verbose == 0 && i != 2)
- fprintf(STDERR, "\n Testing %s:", inname);
- fprintf(STDERR, " FAIL\n");
- ierror += kerror;
- }
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
- if (allocation_now != current_allocation)
- fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n",
- current_allocation - allocation_now);
- if (current_allocation != 0)
- {
- memory_infop pinfo = pinformation;
-
- fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n",
- current_allocation);
- while (pinfo != NULL)
- {
- fprintf(STDERR, " %lu bytes at %x\n",
- (unsigned long)pinfo->size, (unsigned int)pinfo->pointer);
- pinfo = pinfo->next;
- }
- }
-#endif
- }
-#if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG
- fprintf(STDERR, " Current memory allocation: %10d bytes\n",
- current_allocation);
- fprintf(STDERR, " Maximum memory allocation: %10d bytes\n",
- maximum_allocation);
- fprintf(STDERR, " Total memory allocation: %10d bytes\n",
- total_allocation);
- fprintf(STDERR, " Number of allocations: %10d\n",
- num_allocations);
-#endif
- }
-
-#ifdef PNGTEST_TIMING
- t_stop = (float)clock();
- t_misc += (t_stop - t_start);
- t_start = t_stop;
- fprintf(STDERR, " CPU time used = %.3f seconds",
- (t_misc+t_decode+t_encode)/(float)CLOCKS_PER_SEC);
- fprintf(STDERR, " (decoding %.3f,\n",
- t_decode/(float)CLOCKS_PER_SEC);
- fprintf(STDERR, " encoding %.3f ,",
- t_encode/(float)CLOCKS_PER_SEC);
- fprintf(STDERR, " other %.3f seconds)\n\n",
- t_misc/(float)CLOCKS_PER_SEC);
-#endif
-
- if (ierror == 0)
- fprintf(STDERR, " libpng passes test\n");
- else
- fprintf(STDERR, " libpng FAILS test\n");
- return (int)(ierror != 0);
-}
-
-/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_37 your_png_h_is_not_version_1_2_37;
+++ /dev/null
-
-/* pngtrans.c - transforms the data in a row (used by both readers and writers)
- *
- * Last changed in libpng 1.2.36 [May 14, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
-
-#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)
-/* Turn on BGR-to-RGB mapping */
-void PNGAPI
-png_set_bgr(png_structp png_ptr)
-{
- png_debug(1, "in png_set_bgr");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_BGR;
-}
-#endif
-
-#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)
-/* Turn on 16 bit byte swapping */
-void PNGAPI
-png_set_swap(png_structp png_ptr)
-{
- png_debug(1, "in png_set_swap");
- if (png_ptr == NULL)
- return;
- if (png_ptr->bit_depth == 16)
- png_ptr->transformations |= PNG_SWAP_BYTES;
-}
-#endif
-
-#if defined(PNG_READ_PACK_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED)
-/* Turn on pixel packing */
-void PNGAPI
-png_set_packing(png_structp png_ptr)
-{
- png_debug(1, "in png_set_packing");
- if (png_ptr == NULL)
- return;
- if (png_ptr->bit_depth < 8)
- {
- png_ptr->transformations |= PNG_PACK;
- png_ptr->usr_bit_depth = 8;
- }
-}
-#endif
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)||defined(PNG_WRITE_PACKSWAP_SUPPORTED)
-/* Turn on packed pixel swapping */
-void PNGAPI
-png_set_packswap(png_structp png_ptr)
-{
- png_debug(1, "in png_set_packswap");
- if (png_ptr == NULL)
- return;
- if (png_ptr->bit_depth < 8)
- png_ptr->transformations |= PNG_PACKSWAP;
-}
-#endif
-
-#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
-void PNGAPI
-png_set_shift(png_structp png_ptr, png_color_8p true_bits)
-{
- png_debug(1, "in png_set_shift");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_SHIFT;
- png_ptr->shift = *true_bits;
-}
-#endif
-
-#if defined(PNG_READ_INTERLACING_SUPPORTED) || \
- defined(PNG_WRITE_INTERLACING_SUPPORTED)
-int PNGAPI
-png_set_interlace_handling(png_structp png_ptr)
-{
- png_debug(1, "in png_set_interlace handling");
- if (png_ptr && png_ptr->interlaced)
- {
- png_ptr->transformations |= PNG_INTERLACE;
- return (7);
- }
-
- return (1);
-}
-#endif
-
-#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
-/* Add a filler byte on read, or remove a filler or alpha byte on write.
- * The filler type has changed in v0.95 to allow future 2-byte fillers
- * for 48-bit input data, as well as to avoid problems with some compilers
- * that don't like bytes as parameters.
- */
-void PNGAPI
-png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)
-{
- png_debug(1, "in png_set_filler");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_FILLER;
- png_ptr->filler = (png_byte)filler;
- if (filler_loc == PNG_FILLER_AFTER)
- png_ptr->flags |= PNG_FLAG_FILLER_AFTER;
- else
- png_ptr->flags &= ~PNG_FLAG_FILLER_AFTER;
-
- /* This should probably go in the "do_read_filler" routine.
- * I attempted to do that in libpng-1.0.1a but that caused problems
- * so I restored it in libpng-1.0.2a
- */
-
- if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
- {
- png_ptr->usr_channels = 4;
- }
-
- /* Also I added this in libpng-1.0.2a (what happens when we expand
- * a less-than-8-bit grayscale to GA? */
-
- if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY && png_ptr->bit_depth >= 8)
- {
- png_ptr->usr_channels = 2;
- }
-}
-
-#if !defined(PNG_1_0_X)
-/* Added to libpng-1.2.7 */
-void PNGAPI
-png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc)
-{
- png_debug(1, "in png_set_add_alpha");
- if (png_ptr == NULL)
- return;
- png_set_filler(png_ptr, filler, filler_loc);
- png_ptr->transformations |= PNG_ADD_ALPHA;
-}
-#endif
-
-#endif
-
-#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) || \
- defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
-void PNGAPI
-png_set_swap_alpha(png_structp png_ptr)
-{
- png_debug(1, "in png_set_swap_alpha");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_SWAP_ALPHA;
-}
-#endif
-
-#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) || \
- defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
-void PNGAPI
-png_set_invert_alpha(png_structp png_ptr)
-{
- png_debug(1, "in png_set_invert_alpha");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_INVERT_ALPHA;
-}
-#endif
-
-#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED)
-void PNGAPI
-png_set_invert_mono(png_structp png_ptr)
-{
- png_debug(1, "in png_set_invert_mono");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_INVERT_MONO;
-}
-
-/* Invert monochrome grayscale data */
-void /* PRIVATE */
-png_do_invert(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_invert");
- /* This test removed from libpng version 1.0.13 and 1.2.0:
- * if (row_info->bit_depth == 1 &&
- */
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row == NULL || row_info == NULL)
- return;
-#endif
- if (row_info->color_type == PNG_COLOR_TYPE_GRAY)
- {
- png_bytep rp = row;
- png_uint_32 i;
- png_uint_32 istop = row_info->rowbytes;
-
- for (i = 0; i < istop; i++)
- {
- *rp = (png_byte)(~(*rp));
- rp++;
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
- row_info->bit_depth == 8)
- {
- png_bytep rp = row;
- png_uint_32 i;
- png_uint_32 istop = row_info->rowbytes;
-
- for (i = 0; i < istop; i+=2)
- {
- *rp = (png_byte)(~(*rp));
- rp+=2;
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
- row_info->bit_depth == 16)
- {
- png_bytep rp = row;
- png_uint_32 i;
- png_uint_32 istop = row_info->rowbytes;
-
- for (i = 0; i < istop; i+=4)
- {
- *rp = (png_byte)(~(*rp));
- *(rp+1) = (png_byte)(~(*(rp+1)));
- rp+=4;
- }
- }
-}
-#endif
-
-#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)
-/* Swaps byte order on 16 bit depth images */
-void /* PRIVATE */
-png_do_swap(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_swap");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- row_info->bit_depth == 16)
- {
- png_bytep rp = row;
- png_uint_32 i;
- png_uint_32 istop= row_info->width * row_info->channels;
-
- for (i = 0; i < istop; i++, rp += 2)
- {
- png_byte t = *rp;
- *rp = *(rp + 1);
- *(rp + 1) = t;
- }
- }
-}
-#endif
-
-#if defined(PNG_READ_PACKSWAP_SUPPORTED)||defined(PNG_WRITE_PACKSWAP_SUPPORTED)
-static PNG_CONST png_byte onebppswaptable[256] = {
- 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
- 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
- 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
- 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
- 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,
- 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
- 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,
- 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
- 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
- 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
- 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,
- 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
- 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,
- 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
- 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
- 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
- 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
- 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
- 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
- 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
- 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
- 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
- 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
- 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
- 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
- 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
- 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
- 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
- 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
- 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
- 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
- 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
-};
-
-static PNG_CONST png_byte twobppswaptable[256] = {
- 0x00, 0x40, 0x80, 0xC0, 0x10, 0x50, 0x90, 0xD0,
- 0x20, 0x60, 0xA0, 0xE0, 0x30, 0x70, 0xB0, 0xF0,
- 0x04, 0x44, 0x84, 0xC4, 0x14, 0x54, 0x94, 0xD4,
- 0x24, 0x64, 0xA4, 0xE4, 0x34, 0x74, 0xB4, 0xF4,
- 0x08, 0x48, 0x88, 0xC8, 0x18, 0x58, 0x98, 0xD8,
- 0x28, 0x68, 0xA8, 0xE8, 0x38, 0x78, 0xB8, 0xF8,
- 0x0C, 0x4C, 0x8C, 0xCC, 0x1C, 0x5C, 0x9C, 0xDC,
- 0x2C, 0x6C, 0xAC, 0xEC, 0x3C, 0x7C, 0xBC, 0xFC,
- 0x01, 0x41, 0x81, 0xC1, 0x11, 0x51, 0x91, 0xD1,
- 0x21, 0x61, 0xA1, 0xE1, 0x31, 0x71, 0xB1, 0xF1,
- 0x05, 0x45, 0x85, 0xC5, 0x15, 0x55, 0x95, 0xD5,
- 0x25, 0x65, 0xA5, 0xE5, 0x35, 0x75, 0xB5, 0xF5,
- 0x09, 0x49, 0x89, 0xC9, 0x19, 0x59, 0x99, 0xD9,
- 0x29, 0x69, 0xA9, 0xE9, 0x39, 0x79, 0xB9, 0xF9,
- 0x0D, 0x4D, 0x8D, 0xCD, 0x1D, 0x5D, 0x9D, 0xDD,
- 0x2D, 0x6D, 0xAD, 0xED, 0x3D, 0x7D, 0xBD, 0xFD,
- 0x02, 0x42, 0x82, 0xC2, 0x12, 0x52, 0x92, 0xD2,
- 0x22, 0x62, 0xA2, 0xE2, 0x32, 0x72, 0xB2, 0xF2,
- 0x06, 0x46, 0x86, 0xC6, 0x16, 0x56, 0x96, 0xD6,
- 0x26, 0x66, 0xA6, 0xE6, 0x36, 0x76, 0xB6, 0xF6,
- 0x0A, 0x4A, 0x8A, 0xCA, 0x1A, 0x5A, 0x9A, 0xDA,
- 0x2A, 0x6A, 0xAA, 0xEA, 0x3A, 0x7A, 0xBA, 0xFA,
- 0x0E, 0x4E, 0x8E, 0xCE, 0x1E, 0x5E, 0x9E, 0xDE,
- 0x2E, 0x6E, 0xAE, 0xEE, 0x3E, 0x7E, 0xBE, 0xFE,
- 0x03, 0x43, 0x83, 0xC3, 0x13, 0x53, 0x93, 0xD3,
- 0x23, 0x63, 0xA3, 0xE3, 0x33, 0x73, 0xB3, 0xF3,
- 0x07, 0x47, 0x87, 0xC7, 0x17, 0x57, 0x97, 0xD7,
- 0x27, 0x67, 0xA7, 0xE7, 0x37, 0x77, 0xB7, 0xF7,
- 0x0B, 0x4B, 0x8B, 0xCB, 0x1B, 0x5B, 0x9B, 0xDB,
- 0x2B, 0x6B, 0xAB, 0xEB, 0x3B, 0x7B, 0xBB, 0xFB,
- 0x0F, 0x4F, 0x8F, 0xCF, 0x1F, 0x5F, 0x9F, 0xDF,
- 0x2F, 0x6F, 0xAF, 0xEF, 0x3F, 0x7F, 0xBF, 0xFF
-};
-
-static PNG_CONST png_byte fourbppswaptable[256] = {
- 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,
- 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0,
- 0x01, 0x11, 0x21, 0x31, 0x41, 0x51, 0x61, 0x71,
- 0x81, 0x91, 0xA1, 0xB1, 0xC1, 0xD1, 0xE1, 0xF1,
- 0x02, 0x12, 0x22, 0x32, 0x42, 0x52, 0x62, 0x72,
- 0x82, 0x92, 0xA2, 0xB2, 0xC2, 0xD2, 0xE2, 0xF2,
- 0x03, 0x13, 0x23, 0x33, 0x43, 0x53, 0x63, 0x73,
- 0x83, 0x93, 0xA3, 0xB3, 0xC3, 0xD3, 0xE3, 0xF3,
- 0x04, 0x14, 0x24, 0x34, 0x44, 0x54, 0x64, 0x74,
- 0x84, 0x94, 0xA4, 0xB4, 0xC4, 0xD4, 0xE4, 0xF4,
- 0x05, 0x15, 0x25, 0x35, 0x45, 0x55, 0x65, 0x75,
- 0x85, 0x95, 0xA5, 0xB5, 0xC5, 0xD5, 0xE5, 0xF5,
- 0x06, 0x16, 0x26, 0x36, 0x46, 0x56, 0x66, 0x76,
- 0x86, 0x96, 0xA6, 0xB6, 0xC6, 0xD6, 0xE6, 0xF6,
- 0x07, 0x17, 0x27, 0x37, 0x47, 0x57, 0x67, 0x77,
- 0x87, 0x97, 0xA7, 0xB7, 0xC7, 0xD7, 0xE7, 0xF7,
- 0x08, 0x18, 0x28, 0x38, 0x48, 0x58, 0x68, 0x78,
- 0x88, 0x98, 0xA8, 0xB8, 0xC8, 0xD8, 0xE8, 0xF8,
- 0x09, 0x19, 0x29, 0x39, 0x49, 0x59, 0x69, 0x79,
- 0x89, 0x99, 0xA9, 0xB9, 0xC9, 0xD9, 0xE9, 0xF9,
- 0x0A, 0x1A, 0x2A, 0x3A, 0x4A, 0x5A, 0x6A, 0x7A,
- 0x8A, 0x9A, 0xAA, 0xBA, 0xCA, 0xDA, 0xEA, 0xFA,
- 0x0B, 0x1B, 0x2B, 0x3B, 0x4B, 0x5B, 0x6B, 0x7B,
- 0x8B, 0x9B, 0xAB, 0xBB, 0xCB, 0xDB, 0xEB, 0xFB,
- 0x0C, 0x1C, 0x2C, 0x3C, 0x4C, 0x5C, 0x6C, 0x7C,
- 0x8C, 0x9C, 0xAC, 0xBC, 0xCC, 0xDC, 0xEC, 0xFC,
- 0x0D, 0x1D, 0x2D, 0x3D, 0x4D, 0x5D, 0x6D, 0x7D,
- 0x8D, 0x9D, 0xAD, 0xBD, 0xCD, 0xDD, 0xED, 0xFD,
- 0x0E, 0x1E, 0x2E, 0x3E, 0x4E, 0x5E, 0x6E, 0x7E,
- 0x8E, 0x9E, 0xAE, 0xBE, 0xCE, 0xDE, 0xEE, 0xFE,
- 0x0F, 0x1F, 0x2F, 0x3F, 0x4F, 0x5F, 0x6F, 0x7F,
- 0x8F, 0x9F, 0xAF, 0xBF, 0xCF, 0xDF, 0xEF, 0xFF
-};
-
-/* Swaps pixel packing order within bytes */
-void /* PRIVATE */
-png_do_packswap(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_packswap");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- row_info->bit_depth < 8)
- {
- png_bytep rp, end, table;
-
- end = row + row_info->rowbytes;
-
- if (row_info->bit_depth == 1)
- table = (png_bytep)onebppswaptable;
- else if (row_info->bit_depth == 2)
- table = (png_bytep)twobppswaptable;
- else if (row_info->bit_depth == 4)
- table = (png_bytep)fourbppswaptable;
- else
- return;
-
- for (rp = row; rp < end; rp++)
- *rp = table[*rp];
- }
-}
-#endif /* PNG_READ_PACKSWAP_SUPPORTED or PNG_WRITE_PACKSWAP_SUPPORTED */
-
-#if defined(PNG_WRITE_FILLER_SUPPORTED) || \
- defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
-/* Remove filler or alpha byte(s) */
-void /* PRIVATE */
-png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags)
-{
- png_debug(1, "in png_do_strip_filler");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL)
-#endif
- {
- png_bytep sp=row;
- png_bytep dp=row;
- png_uint_32 row_width=row_info->width;
- png_uint_32 i;
-
- if ((row_info->color_type == PNG_COLOR_TYPE_RGB ||
- (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&
- (flags & PNG_FLAG_STRIP_ALPHA))) &&
- row_info->channels == 4)
- {
- if (row_info->bit_depth == 8)
- {
- /* This converts from RGBX or RGBA to RGB */
- if (flags & PNG_FLAG_FILLER_AFTER)
- {
- dp+=3; sp+=4;
- for (i = 1; i < row_width; i++)
- {
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- sp++;
- }
- }
- /* This converts from XRGB or ARGB to RGB */
- else
- {
- for (i = 0; i < row_width; i++)
- {
- sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- }
- }
- row_info->pixel_depth = 24;
- row_info->rowbytes = row_width * 3;
- }
- else /* if (row_info->bit_depth == 16) */
- {
- if (flags & PNG_FLAG_FILLER_AFTER)
- {
- /* This converts from RRGGBBXX or RRGGBBAA to RRGGBB */
- sp += 8; dp += 6;
- for (i = 1; i < row_width; i++)
- {
- /* This could be (although png_memcpy is probably slower):
- png_memcpy(dp, sp, 6);
- sp += 8;
- dp += 6;
- */
-
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- sp += 2;
- }
- }
- else
- {
- /* This converts from XXRRGGBB or AARRGGBB to RRGGBB */
- for (i = 0; i < row_width; i++)
- {
- /* This could be (although png_memcpy is probably slower):
- png_memcpy(dp, sp, 6);
- sp += 8;
- dp += 6;
- */
-
- sp+=2;
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- *dp++ = *sp++;
- }
- }
- row_info->pixel_depth = 48;
- row_info->rowbytes = row_width * 6;
- }
- row_info->channels = 3;
- }
- else if ((row_info->color_type == PNG_COLOR_TYPE_GRAY ||
- (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
- (flags & PNG_FLAG_STRIP_ALPHA))) &&
- row_info->channels == 2)
- {
- if (row_info->bit_depth == 8)
- {
- /* This converts from GX or GA to G */
- if (flags & PNG_FLAG_FILLER_AFTER)
- {
- for (i = 0; i < row_width; i++)
- {
- *dp++ = *sp++;
- sp++;
- }
- }
- /* This converts from XG or AG to G */
- else
- {
- for (i = 0; i < row_width; i++)
- {
- sp++;
- *dp++ = *sp++;
- }
- }
- row_info->pixel_depth = 8;
- row_info->rowbytes = row_width;
- }
- else /* if (row_info->bit_depth == 16) */
- {
- if (flags & PNG_FLAG_FILLER_AFTER)
- {
- /* This converts from GGXX or GGAA to GG */
- sp += 4; dp += 2;
- for (i = 1; i < row_width; i++)
- {
- *dp++ = *sp++;
- *dp++ = *sp++;
- sp += 2;
- }
- }
- else
- {
- /* This converts from XXGG or AAGG to GG */
- for (i = 0; i < row_width; i++)
- {
- sp += 2;
- *dp++ = *sp++;
- *dp++ = *sp++;
- }
- }
- row_info->pixel_depth = 16;
- row_info->rowbytes = row_width * 2;
- }
- row_info->channels = 1;
- }
- if (flags & PNG_FLAG_STRIP_ALPHA)
- row_info->color_type &= ~PNG_COLOR_MASK_ALPHA;
- }
-}
-#endif
-
-#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)
-/* Swaps red and blue bytes within a pixel */
-void /* PRIVATE */
-png_do_bgr(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_bgr");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- (row_info->color_type & PNG_COLOR_MASK_COLOR))
- {
- png_uint_32 row_width = row_info->width;
- if (row_info->bit_depth == 8)
- {
- if (row_info->color_type == PNG_COLOR_TYPE_RGB)
- {
- png_bytep rp;
- png_uint_32 i;
-
- for (i = 0, rp = row; i < row_width; i++, rp += 3)
- {
- png_byte save = *rp;
- *rp = *(rp + 2);
- *(rp + 2) = save;
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- {
- png_bytep rp;
- png_uint_32 i;
-
- for (i = 0, rp = row; i < row_width; i++, rp += 4)
- {
- png_byte save = *rp;
- *rp = *(rp + 2);
- *(rp + 2) = save;
- }
- }
- }
- else if (row_info->bit_depth == 16)
- {
- if (row_info->color_type == PNG_COLOR_TYPE_RGB)
- {
- png_bytep rp;
- png_uint_32 i;
-
- for (i = 0, rp = row; i < row_width; i++, rp += 6)
- {
- png_byte save = *rp;
- *rp = *(rp + 4);
- *(rp + 4) = save;
- save = *(rp + 1);
- *(rp + 1) = *(rp + 5);
- *(rp + 5) = save;
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- {
- png_bytep rp;
- png_uint_32 i;
-
- for (i = 0, rp = row; i < row_width; i++, rp += 8)
- {
- png_byte save = *rp;
- *rp = *(rp + 4);
- *(rp + 4) = save;
- save = *(rp + 1);
- *(rp + 1) = *(rp + 5);
- *(rp + 5) = save;
- }
- }
- }
- }
-}
-#endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */
-
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_LEGACY_SUPPORTED)
-void PNGAPI
-png_set_user_transform_info(png_structp png_ptr, png_voidp
- user_transform_ptr, int user_transform_depth, int user_transform_channels)
-{
- png_debug(1, "in png_set_user_transform_info");
- if (png_ptr == NULL)
- return;
-#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
- png_ptr->user_transform_ptr = user_transform_ptr;
- png_ptr->user_transform_depth = (png_byte)user_transform_depth;
- png_ptr->user_transform_channels = (png_byte)user_transform_channels;
-#else
- if (user_transform_ptr || user_transform_depth || user_transform_channels)
- png_warning(png_ptr,
- "This version of libpng does not support user transform info");
-#endif
-}
-#endif
-
-/* This function returns a pointer to the user_transform_ptr associated with
- * the user transform functions. The application should free any memory
- * associated with this pointer before png_write_destroy and png_read_destroy
- * are called.
- */
-png_voidp PNGAPI
-png_get_user_transform_ptr(png_structp png_ptr)
-{
- if (png_ptr == NULL)
- return (NULL);
-#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
- return ((png_voidp)png_ptr->user_transform_ptr);
-#else
- return (NULL);
-#endif
-}
-#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
+++ /dev/null
-/* pnggvrd.c was removed from libpng-1.2.20. */
+++ /dev/null
-
-/* pngwio.c - functions for data output
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- *
- * This file provides a location for all output. Users who need
- * special handling are expected to write functions that have the same
- * arguments as these and perform similar functions, but that possibly
- * use different output methods. Note that you shouldn't change these
- * functions, but rather write replacement functions and then change
- * them at run time with png_set_write_fn(...).
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#ifdef PNG_WRITE_SUPPORTED
-
-/* Write the data to whatever output you are using. The default routine
- * writes to a file pointer. Note that this routine sometimes gets called
- * with very small lengths, so you should implement some kind of simple
- * buffering if you are using unbuffered writes. This should never be asked
- * to write more than 64K on a 16 bit machine.
- */
-
-void /* PRIVATE */
-png_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- if (png_ptr->write_data_fn != NULL )
- (*(png_ptr->write_data_fn))(png_ptr, data, length);
- else
- png_error(png_ptr, "Call to NULL write function");
-}
-
-#if !defined(PNG_NO_STDIO)
-/* This is the function that does the actual writing of data. If you are
- * not writing to a standard C stream, you should create a replacement
- * write_data function and use it at run time with png_set_write_fn(), rather
- * than changing the library.
- */
-#ifndef USE_FAR_KEYWORD
-void PNGAPI
-png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_uint_32 check;
-
- if (png_ptr == NULL)
- return;
-#if defined(_WIN32_WCE)
- if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
- check = 0;
-#else
- check = fwrite(data, 1, length, (png_FILE_p)(png_ptr->io_ptr));
-#endif
- if (check != length)
- png_error(png_ptr, "Write Error");
-}
-#else
-/* This is the model-independent version. Since the standard I/O library
- * can't handle far buffers in the medium and small models, we have to copy
- * the data.
- */
-
-#define NEAR_BUF_SIZE 1024
-#define MIN(a,b) (a <= b ? a : b)
-
-void PNGAPI
-png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- png_uint_32 check;
- png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */
- png_FILE_p io_ptr;
-
- if (png_ptr == NULL)
- return;
- /* Check if data really is near. If so, use usual code. */
- near_data = (png_byte *)CVT_PTR_NOCHECK(data);
- io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
- if ((png_bytep)near_data == data)
- {
-#if defined(_WIN32_WCE)
- if ( !WriteFile(io_ptr, near_data, length, &check, NULL) )
- check = 0;
-#else
- check = fwrite(near_data, 1, length, io_ptr);
-#endif
- }
- else
- {
- png_byte buf[NEAR_BUF_SIZE];
- png_size_t written, remaining, err;
- check = 0;
- remaining = length;
- do
- {
- written = MIN(NEAR_BUF_SIZE, remaining);
- png_memcpy(buf, data, written); /* Copy far buffer to near buffer */
-#if defined(_WIN32_WCE)
- if ( !WriteFile(io_ptr, buf, written, &err, NULL) )
- err = 0;
-#else
- err = fwrite(buf, 1, written, io_ptr);
-#endif
- if (err != written)
- break;
-
- else
- check += err;
-
- data += written;
- remaining -= written;
- }
- while (remaining != 0);
- }
- if (check != length)
- png_error(png_ptr, "Write Error");
-}
-
-#endif
-#endif
-
-/* This function is called to output any data pending writing (normally
- * to disk). After png_flush is called, there should be no data pending
- * writing in any buffers.
- */
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
-void /* PRIVATE */
-png_flush(png_structp png_ptr)
-{
- if (png_ptr->output_flush_fn != NULL)
- (*(png_ptr->output_flush_fn))(png_ptr);
-}
-
-#if !defined(PNG_NO_STDIO)
-void PNGAPI
-png_default_flush(png_structp png_ptr)
-{
-#if !defined(_WIN32_WCE)
- png_FILE_p io_ptr;
-#endif
- if (png_ptr == NULL)
- return;
-#if !defined(_WIN32_WCE)
- io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
- fflush(io_ptr);
-#endif
-}
-#endif
-#endif
-
-/* This function allows the application to supply new output functions for
- * libpng if standard C streams aren't being used.
- *
- * This function takes as its arguments:
- * png_ptr - pointer to a png output data structure
- * io_ptr - pointer to user supplied structure containing info about
- * the output functions. May be NULL.
- * write_data_fn - pointer to a new output function that takes as its
- * arguments a pointer to a png_struct, a pointer to
- * data to be written, and a 32-bit unsigned int that is
- * the number of bytes to be written. The new write
- * function should call png_error(png_ptr, "Error msg")
- * to exit and output any fatal error messages. May be
- * NULL, in which case libpng's default function will
- * be used.
- * flush_data_fn - pointer to a new flush function that takes as its
- * arguments a pointer to a png_struct. After a call to
- * the flush function, there should be no data in any buffers
- * or pending transmission. If the output method doesn't do
- * any buffering of ouput, a function prototype must still be
- * supplied although it doesn't have to do anything. If
- * PNG_WRITE_FLUSH_SUPPORTED is not defined at libpng compile
- * time, output_flush_fn will be ignored, although it must be
- * supplied for compatibility. May be NULL, in which case
- * libpng's default function will be used, if
- * PNG_WRITE_FLUSH_SUPPORTED is defined. This is not
- * a good idea if io_ptr does not point to a standard
- * *FILE structure.
- */
-void PNGAPI
-png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
- png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
-{
- if (png_ptr == NULL)
- return;
-
- png_ptr->io_ptr = io_ptr;
-
-#if !defined(PNG_NO_STDIO)
- if (write_data_fn != NULL)
- png_ptr->write_data_fn = write_data_fn;
-
- else
- png_ptr->write_data_fn = png_default_write_data;
-#else
- png_ptr->write_data_fn = write_data_fn;
-#endif
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
-#if !defined(PNG_NO_STDIO)
- if (output_flush_fn != NULL)
- png_ptr->output_flush_fn = output_flush_fn;
-
- else
- png_ptr->output_flush_fn = png_default_flush;
-#else
- png_ptr->output_flush_fn = output_flush_fn;
-#endif
-#endif /* PNG_WRITE_FLUSH_SUPPORTED */
-
- /* It is an error to read while writing a png file */
- if (png_ptr->read_data_fn != NULL)
- {
- png_ptr->read_data_fn = NULL;
- png_warning(png_ptr,
- "Attempted to set both read_data_fn and write_data_fn in");
- png_warning(png_ptr,
- "the same structure. Resetting read_data_fn to NULL.");
- }
-}
-
-#if defined(USE_FAR_KEYWORD)
-#if defined(_MSC_VER)
-void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check)
-{
- void *near_ptr;
- void FAR *far_ptr;
- FP_OFF(near_ptr) = FP_OFF(ptr);
- far_ptr = (void FAR *)near_ptr;
-
- if (check != 0)
- if (FP_SEG(ptr) != FP_SEG(far_ptr))
- png_error(png_ptr, "segment lost in conversion");
-
- return(near_ptr);
-}
-# else
-void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check)
-{
- void *near_ptr;
- void FAR *far_ptr;
- near_ptr = (void FAR *)ptr;
- far_ptr = (void FAR *)near_ptr;
-
- if (check != 0)
- if (far_ptr != ptr)
- png_error(png_ptr, "segment lost in conversion");
-
- return(near_ptr);
-}
-# endif
-# endif
-#endif /* PNG_WRITE_SUPPORTED */
+++ /dev/null
-
-/* pngwrite.c - general routines to write a PNG file
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-/* Get internal access to png.h */
-#define PNG_INTERNAL
-#include "png.h"
-#ifdef PNG_WRITE_SUPPORTED
-
-/* Writes all the PNG information. This is the suggested way to use the
- * library. If you have a new chunk to add, make a function to write it,
- * and put it in the correct location here. If you want the chunk written
- * after the image data, put it in png_write_end(). I strongly encourage
- * you to supply a PNG_INFO_ flag, and check info_ptr->valid before writing
- * the chunk, as that will keep the code from breaking if you want to just
- * write a plain PNG file. If you have long comments, I suggest writing
- * them in png_write_end(), and compressing them.
- */
-void PNGAPI
-png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr)
-{
- png_debug(1, "in png_write_info_before_PLTE");
- if (png_ptr == NULL || info_ptr == NULL)
- return;
- if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE))
- {
- png_write_sig(png_ptr); /* Write PNG signature */
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&(png_ptr->mng_features_permitted))
- {
- png_warning(png_ptr, "MNG features are not allowed in a PNG datastream");
- png_ptr->mng_features_permitted=0;
- }
-#endif
- /* Write IHDR information. */
- png_write_IHDR(png_ptr, info_ptr->width, info_ptr->height,
- info_ptr->bit_depth, info_ptr->color_type, info_ptr->compression_type,
- info_ptr->filter_type,
-#if defined(PNG_WRITE_INTERLACING_SUPPORTED)
- info_ptr->interlace_type);
-#else
- 0);
-#endif
- /* The rest of these check to see if the valid field has the appropriate
- * flag set, and if it does, writes the chunk.
- */
-#if defined(PNG_WRITE_gAMA_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_gAMA)
- {
-# ifdef PNG_FLOATING_POINT_SUPPORTED
- png_write_gAMA(png_ptr, info_ptr->gamma);
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_write_gAMA_fixed(png_ptr, info_ptr->int_gamma);
-# endif
-#endif
- }
-#endif
-#if defined(PNG_WRITE_sRGB_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_sRGB)
- png_write_sRGB(png_ptr, (int)info_ptr->srgb_intent);
-#endif
-#if defined(PNG_WRITE_iCCP_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_iCCP)
- png_write_iCCP(png_ptr, info_ptr->iccp_name, PNG_COMPRESSION_TYPE_BASE,
- info_ptr->iccp_profile, (int)info_ptr->iccp_proflen);
-#endif
-#if defined(PNG_WRITE_sBIT_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_sBIT)
- png_write_sBIT(png_ptr, &(info_ptr->sig_bit), info_ptr->color_type);
-#endif
-#if defined(PNG_WRITE_cHRM_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_cHRM)
- {
-#ifdef PNG_FLOATING_POINT_SUPPORTED
- png_write_cHRM(png_ptr,
- info_ptr->x_white, info_ptr->y_white,
- info_ptr->x_red, info_ptr->y_red,
- info_ptr->x_green, info_ptr->y_green,
- info_ptr->x_blue, info_ptr->y_blue);
-#else
-# ifdef PNG_FIXED_POINT_SUPPORTED
- png_write_cHRM_fixed(png_ptr,
- info_ptr->int_x_white, info_ptr->int_y_white,
- info_ptr->int_x_red, info_ptr->int_y_red,
- info_ptr->int_x_green, info_ptr->int_y_green,
- info_ptr->int_x_blue, info_ptr->int_y_blue);
-# endif
-#endif
- }
-#endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
- if (info_ptr->unknown_chunks_num)
- {
- png_unknown_chunk *up;
-
- png_debug(5, "writing extra chunks");
-
- for (up = info_ptr->unknown_chunks;
- up < info_ptr->unknown_chunks + info_ptr->unknown_chunks_num;
- up++)
- {
- int keep=png_handle_as_unknown(png_ptr, up->name);
- if (keep != PNG_HANDLE_CHUNK_NEVER &&
- up->location && !(up->location & PNG_HAVE_PLTE) &&
- !(up->location & PNG_HAVE_IDAT) &&
- ((up->name[3] & 0x20) || keep == PNG_HANDLE_CHUNK_ALWAYS ||
- (png_ptr->flags & PNG_FLAG_KEEP_UNSAFE_CHUNKS)))
- {
- if (up->size == 0)
- png_warning(png_ptr, "Writing zero-length unknown chunk");
- png_write_chunk(png_ptr, up->name, up->data, up->size);
- }
- }
- }
-#endif
- png_ptr->mode |= PNG_WROTE_INFO_BEFORE_PLTE;
- }
-}
-
-void PNGAPI
-png_write_info(png_structp png_ptr, png_infop info_ptr)
-{
-#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED)
- int i;
-#endif
-
- png_debug(1, "in png_write_info");
-
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-
- png_write_info_before_PLTE(png_ptr, info_ptr);
-
- if (info_ptr->valid & PNG_INFO_PLTE)
- png_write_PLTE(png_ptr, info_ptr->palette,
- (png_uint_32)info_ptr->num_palette);
- else if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- png_error(png_ptr, "Valid palette required for paletted images");
-
-#if defined(PNG_WRITE_tRNS_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_tRNS)
- {
-#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
- /* Invert the alpha channel (in tRNS) */
- if ((png_ptr->transformations & PNG_INVERT_ALPHA) &&
- info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- int j;
- for (j=0; j<(int)info_ptr->num_trans; j++)
- info_ptr->trans[j] = (png_byte)(255 - info_ptr->trans[j]);
- }
-#endif
- png_write_tRNS(png_ptr, info_ptr->trans, &(info_ptr->trans_values),
- info_ptr->num_trans, info_ptr->color_type);
- }
-#endif
-#if defined(PNG_WRITE_bKGD_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_bKGD)
- png_write_bKGD(png_ptr, &(info_ptr->background), info_ptr->color_type);
-#endif
-#if defined(PNG_WRITE_hIST_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_hIST)
- png_write_hIST(png_ptr, info_ptr->hist, info_ptr->num_palette);
-#endif
-#if defined(PNG_WRITE_oFFs_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_oFFs)
- png_write_oFFs(png_ptr, info_ptr->x_offset, info_ptr->y_offset,
- info_ptr->offset_unit_type);
-#endif
-#if defined(PNG_WRITE_pCAL_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_pCAL)
- png_write_pCAL(png_ptr, info_ptr->pcal_purpose, info_ptr->pcal_X0,
- info_ptr->pcal_X1, info_ptr->pcal_type, info_ptr->pcal_nparams,
- info_ptr->pcal_units, info_ptr->pcal_params);
-#endif
-
-#if defined(PNG_sCAL_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_sCAL)
-#if defined(PNG_WRITE_sCAL_SUPPORTED)
-#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO)
- png_write_sCAL(png_ptr, (int)info_ptr->scal_unit,
- info_ptr->scal_pixel_width, info_ptr->scal_pixel_height);
-#else /* !FLOATING_POINT */
-#ifdef PNG_FIXED_POINT_SUPPORTED
- png_write_sCAL_s(png_ptr, (int)info_ptr->scal_unit,
- info_ptr->scal_s_width, info_ptr->scal_s_height);
-#endif /* FIXED_POINT */
-#endif /* FLOATING_POINT */
-#else /* !WRITE_sCAL */
- png_warning(png_ptr,
- "png_write_sCAL not supported; sCAL chunk not written.");
-#endif /* WRITE_sCAL */
-#endif /* sCAL */
-
-#if defined(PNG_WRITE_pHYs_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_pHYs)
- png_write_pHYs(png_ptr, info_ptr->x_pixels_per_unit,
- info_ptr->y_pixels_per_unit, info_ptr->phys_unit_type);
-#endif /* pHYs */
-
-#if defined(PNG_WRITE_tIME_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_tIME)
- {
- png_write_tIME(png_ptr, &(info_ptr->mod_time));
- png_ptr->mode |= PNG_WROTE_tIME;
- }
-#endif /* tIME */
-
-#if defined(PNG_WRITE_sPLT_SUPPORTED)
- if (info_ptr->valid & PNG_INFO_sPLT)
- for (i = 0; i < (int)info_ptr->splt_palettes_num; i++)
- png_write_sPLT(png_ptr, info_ptr->splt_palettes + i);
-#endif /* sPLT */
-
-#if defined(PNG_WRITE_TEXT_SUPPORTED)
- /* Check to see if we need to write text chunks */
- for (i = 0; i < info_ptr->num_text; i++)
- {
- png_debug2(2, "Writing header text chunk %d, type %d", i,
- info_ptr->text[i].compression);
- /* An internationalized chunk? */
- if (info_ptr->text[i].compression > 0)
- {
-#if defined(PNG_WRITE_iTXt_SUPPORTED)
- /* Write international chunk */
- png_write_iTXt(png_ptr,
- info_ptr->text[i].compression,
- info_ptr->text[i].key,
- info_ptr->text[i].lang,
- info_ptr->text[i].lang_key,
- info_ptr->text[i].text);
-#else
- png_warning(png_ptr, "Unable to write international text");
-#endif
- /* Mark this chunk as written */
- info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR;
- }
- /* If we want a compressed text chunk */
- else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_zTXt)
- {
-#if defined(PNG_WRITE_zTXt_SUPPORTED)
- /* Write compressed chunk */
- png_write_zTXt(png_ptr, info_ptr->text[i].key,
- info_ptr->text[i].text, 0,
- info_ptr->text[i].compression);
-#else
- png_warning(png_ptr, "Unable to write compressed text");
-#endif
- /* Mark this chunk as written */
- info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_zTXt_WR;
- }
- else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_NONE)
- {
-#if defined(PNG_WRITE_tEXt_SUPPORTED)
- /* Write uncompressed chunk */
- png_write_tEXt(png_ptr, info_ptr->text[i].key,
- info_ptr->text[i].text,
- 0);
- /* Mark this chunk as written */
- info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR;
-#else
- /* Can't get here */
- png_warning(png_ptr, "Unable to write uncompressed text");
-#endif
- }
- }
-#endif /* tEXt */
-
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
- if (info_ptr->unknown_chunks_num)
- {
- png_unknown_chunk *up;
-
- png_debug(5, "writing extra chunks");
-
- for (up = info_ptr->unknown_chunks;
- up < info_ptr->unknown_chunks + info_ptr->unknown_chunks_num;
- up++)
- {
- int keep=png_handle_as_unknown(png_ptr, up->name);
- if (keep != PNG_HANDLE_CHUNK_NEVER &&
- up->location && (up->location & PNG_HAVE_PLTE) &&
- !(up->location & PNG_HAVE_IDAT) &&
- ((up->name[3] & 0x20) || keep == PNG_HANDLE_CHUNK_ALWAYS ||
- (png_ptr->flags & PNG_FLAG_KEEP_UNSAFE_CHUNKS)))
- {
- png_write_chunk(png_ptr, up->name, up->data, up->size);
- }
- }
- }
-#endif
-}
-
-/* Writes the end of the PNG file. If you don't want to write comments or
- * time information, you can pass NULL for info. If you already wrote these
- * in png_write_info(), do not write them again here. If you have long
- * comments, I suggest writing them here, and compressing them.
- */
-void PNGAPI
-png_write_end(png_structp png_ptr, png_infop info_ptr)
-{
- png_debug(1, "in png_write_end");
- if (png_ptr == NULL)
- return;
- if (!(png_ptr->mode & PNG_HAVE_IDAT))
- png_error(png_ptr, "No IDATs written into file");
-
- /* See if user wants us to write information chunks */
- if (info_ptr != NULL)
- {
-#if defined(PNG_WRITE_TEXT_SUPPORTED)
- int i; /* Local index variable */
-#endif
-#if defined(PNG_WRITE_tIME_SUPPORTED)
- /* Check to see if user has supplied a time chunk */
- if ((info_ptr->valid & PNG_INFO_tIME) &&
- !(png_ptr->mode & PNG_WROTE_tIME))
- png_write_tIME(png_ptr, &(info_ptr->mod_time));
-#endif
-#if defined(PNG_WRITE_TEXT_SUPPORTED)
- /* Loop through comment chunks */
- for (i = 0; i < info_ptr->num_text; i++)
- {
- png_debug2(2, "Writing trailer text chunk %d, type %d", i,
- info_ptr->text[i].compression);
- /* An internationalized chunk? */
- if (info_ptr->text[i].compression > 0)
- {
-#if defined(PNG_WRITE_iTXt_SUPPORTED)
- /* Write international chunk */
- png_write_iTXt(png_ptr,
- info_ptr->text[i].compression,
- info_ptr->text[i].key,
- info_ptr->text[i].lang,
- info_ptr->text[i].lang_key,
- info_ptr->text[i].text);
-#else
- png_warning(png_ptr, "Unable to write international text");
-#endif
- /* Mark this chunk as written */
- info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR;
- }
- else if (info_ptr->text[i].compression >= PNG_TEXT_COMPRESSION_zTXt)
- {
-#if defined(PNG_WRITE_zTXt_SUPPORTED)
- /* Write compressed chunk */
- png_write_zTXt(png_ptr, info_ptr->text[i].key,
- info_ptr->text[i].text, 0,
- info_ptr->text[i].compression);
-#else
- png_warning(png_ptr, "Unable to write compressed text");
-#endif
- /* Mark this chunk as written */
- info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_zTXt_WR;
- }
- else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_NONE)
- {
-#if defined(PNG_WRITE_tEXt_SUPPORTED)
- /* Write uncompressed chunk */
- png_write_tEXt(png_ptr, info_ptr->text[i].key,
- info_ptr->text[i].text, 0);
-#else
- png_warning(png_ptr, "Unable to write uncompressed text");
-#endif
-
- /* Mark this chunk as written */
- info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR;
- }
- }
-#endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
- if (info_ptr->unknown_chunks_num)
- {
- png_unknown_chunk *up;
-
- png_debug(5, "writing extra chunks");
-
- for (up = info_ptr->unknown_chunks;
- up < info_ptr->unknown_chunks + info_ptr->unknown_chunks_num;
- up++)
- {
- int keep=png_handle_as_unknown(png_ptr, up->name);
- if (keep != PNG_HANDLE_CHUNK_NEVER &&
- up->location && (up->location & PNG_AFTER_IDAT) &&
- ((up->name[3] & 0x20) || keep == PNG_HANDLE_CHUNK_ALWAYS ||
- (png_ptr->flags & PNG_FLAG_KEEP_UNSAFE_CHUNKS)))
- {
- png_write_chunk(png_ptr, up->name, up->data, up->size);
- }
- }
- }
-#endif
- }
-
- png_ptr->mode |= PNG_AFTER_IDAT;
-
- /* Write end of PNG file */
- png_write_IEND(png_ptr);
- /* This flush, added in libpng-1.0.8, removed from libpng-1.0.9beta03,
- * and restored again in libpng-1.2.30, may cause some applications that
- * do not set png_ptr->output_flush_fn to crash. If your application
- * experiences a problem, please try building libpng with
- * PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED defined, and report the event to
- * png-mng-implement at lists.sf.net . This kludge will be removed
- * from libpng-1.4.0.
- */
-#if defined(PNG_WRITE_FLUSH_SUPPORTED) && \
- defined(PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED)
- png_flush(png_ptr);
-#endif
-}
-
-#if defined(PNG_WRITE_tIME_SUPPORTED)
-#if !defined(_WIN32_WCE)
-/* "time.h" functions are not supported on WindowsCE */
-void PNGAPI
-png_convert_from_struct_tm(png_timep ptime, struct tm FAR * ttime)
-{
- png_debug(1, "in png_convert_from_struct_tm");
- ptime->year = (png_uint_16)(1900 + ttime->tm_year);
- ptime->month = (png_byte)(ttime->tm_mon + 1);
- ptime->day = (png_byte)ttime->tm_mday;
- ptime->hour = (png_byte)ttime->tm_hour;
- ptime->minute = (png_byte)ttime->tm_min;
- ptime->second = (png_byte)ttime->tm_sec;
-}
-
-void PNGAPI
-png_convert_from_time_t(png_timep ptime, time_t ttime)
-{
- struct tm *tbuf;
-
- png_debug(1, "in png_convert_from_time_t");
- tbuf = gmtime(&ttime);
- png_convert_from_struct_tm(ptime, tbuf);
-}
-#endif
-#endif
-
-/* Initialize png_ptr structure, and allocate any memory needed */
-png_structp PNGAPI
-png_create_write_struct(png_const_charp user_png_ver, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warn_fn)
-{
-#ifdef PNG_USER_MEM_SUPPORTED
- return (png_create_write_struct_2(user_png_ver, error_ptr, error_fn,
- warn_fn, png_voidp_NULL, png_malloc_ptr_NULL, png_free_ptr_NULL));
-}
-
-/* Alternate initialize png_ptr structure, and allocate any memory needed */
-png_structp PNGAPI
-png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
- png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr,
- png_malloc_ptr malloc_fn, png_free_ptr free_fn)
-{
-#endif /* PNG_USER_MEM_SUPPORTED */
-#ifdef PNG_SETJMP_SUPPORTED
- volatile
-#endif
- png_structp png_ptr;
-#ifdef PNG_SETJMP_SUPPORTED
-#ifdef USE_FAR_KEYWORD
- jmp_buf jmpbuf;
-#endif
-#endif
- int i;
- png_debug(1, "in png_create_write_struct");
-#ifdef PNG_USER_MEM_SUPPORTED
- png_ptr = (png_structp)png_create_struct_2(PNG_STRUCT_PNG,
- (png_malloc_ptr)malloc_fn, (png_voidp)mem_ptr);
-#else
- png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG);
-#endif /* PNG_USER_MEM_SUPPORTED */
- if (png_ptr == NULL)
- return (NULL);
-
- /* Added at libpng-1.2.6 */
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
- png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
- png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
-#ifdef USE_FAR_KEYWORD
- if (setjmp(jmpbuf))
-#else
- if (setjmp(png_ptr->jmpbuf))
-#endif
- {
- png_free(png_ptr, png_ptr->zbuf);
- png_ptr->zbuf=NULL;
- png_destroy_struct(png_ptr);
- return (NULL);
- }
-#ifdef USE_FAR_KEYWORD
- png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf));
-#endif
-#endif
-
-#ifdef PNG_USER_MEM_SUPPORTED
- png_set_mem_fn(png_ptr, mem_ptr, malloc_fn, free_fn);
-#endif /* PNG_USER_MEM_SUPPORTED */
- png_set_error_fn(png_ptr, error_ptr, error_fn, warn_fn);
-
- if (user_png_ver)
- {
- i=0;
- do
- {
- if (user_png_ver[i] != png_libpng_ver[i])
- png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
- } while (png_libpng_ver[i++]);
- }
-
- if (png_ptr->flags & PNG_FLAG_LIBRARY_MISMATCH)
- {
- /* Libpng 0.90 and later are binary incompatible with libpng 0.89, so
- * we must recompile any applications that use any older library version.
- * For versions after libpng 1.0, we will be compatible, so we need
- * only check the first digit.
- */
- if (user_png_ver == NULL || user_png_ver[0] != png_libpng_ver[0] ||
- (user_png_ver[0] == '1' && user_png_ver[2] != png_libpng_ver[2]) ||
- (user_png_ver[0] == '0' && user_png_ver[2] < '9'))
- {
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- char msg[80];
- if (user_png_ver)
- {
- png_snprintf(msg, 80,
- "Application was compiled with png.h from libpng-%.20s",
- user_png_ver);
- png_warning(png_ptr, msg);
- }
- png_snprintf(msg, 80,
- "Application is running with png.c from libpng-%.20s",
- png_libpng_ver);
- png_warning(png_ptr, msg);
-#endif
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- png_ptr->flags=0;
-#endif
- png_error(png_ptr,
- "Incompatible libpng version in application and library");
- }
- }
-
- /* Initialize zbuf - compression buffer */
- png_ptr->zbuf_size = PNG_ZBUF_SIZE;
- png_ptr->zbuf = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)png_ptr->zbuf_size);
-
- png_set_write_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL,
- png_flush_ptr_NULL);
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT,
- 1, png_doublep_NULL, png_doublep_NULL);
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
-/* Applications that neglect to set up their own setjmp() and then encounter
- a png_error() will longjmp here. Since the jmpbuf is then meaningless we
- abort instead of returning. */
-#ifdef USE_FAR_KEYWORD
- if (setjmp(jmpbuf))
- PNG_ABORT();
- png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf));
-#else
- if (setjmp(png_ptr->jmpbuf))
- PNG_ABORT();
-#endif
-#endif
- return (png_ptr);
-}
-
-/* Initialize png_ptr structure, and allocate any memory needed */
-#if defined(PNG_1_0_X) || defined(PNG_1_2_X)
-/* Deprecated. */
-#undef png_write_init
-void PNGAPI
-png_write_init(png_structp png_ptr)
-{
- /* We only come here via pre-1.0.7-compiled applications */
- png_write_init_2(png_ptr, "1.0.6 or earlier", 0, 0);
-}
-
-void PNGAPI
-png_write_init_2(png_structp png_ptr, png_const_charp user_png_ver,
- png_size_t png_struct_size, png_size_t png_info_size)
-{
- /* We only come here via pre-1.0.12-compiled applications */
- if (png_ptr == NULL) return;
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- if (png_sizeof(png_struct) > png_struct_size ||
- png_sizeof(png_info) > png_info_size)
- {
- char msg[80];
- png_ptr->warning_fn=NULL;
- if (user_png_ver)
- {
- png_snprintf(msg, 80,
- "Application was compiled with png.h from libpng-%.20s",
- user_png_ver);
- png_warning(png_ptr, msg);
- }
- png_snprintf(msg, 80,
- "Application is running with png.c from libpng-%.20s",
- png_libpng_ver);
- png_warning(png_ptr, msg);
- }
-#endif
- if (png_sizeof(png_struct) > png_struct_size)
- {
- png_ptr->error_fn=NULL;
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- png_ptr->flags=0;
-#endif
- png_error(png_ptr,
- "The png struct allocated by the application for writing is too small.");
- }
- if (png_sizeof(png_info) > png_info_size)
- {
- png_ptr->error_fn=NULL;
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
- png_ptr->flags=0;
-#endif
- png_error(png_ptr,
- "The info struct allocated by the application for writing is too small.");
- }
- png_write_init_3(&png_ptr, user_png_ver, png_struct_size);
-}
-#endif /* PNG_1_0_X || PNG_1_2_X */
-
-
-void PNGAPI
-png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
- png_size_t png_struct_size)
-{
- png_structp png_ptr=*ptr_ptr;
-#ifdef PNG_SETJMP_SUPPORTED
- jmp_buf tmp_jmp; /* To save current jump buffer */
-#endif
-
- int i = 0;
-
- if (png_ptr == NULL)
- return;
-
- do
- {
- if (user_png_ver[i] != png_libpng_ver[i])
- {
-#ifdef PNG_LEGACY_SUPPORTED
- png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
-#else
- png_ptr->warning_fn=NULL;
- png_warning(png_ptr,
- "Application uses deprecated png_write_init() and should be recompiled.");
- break;
-#endif
- }
- } while (png_libpng_ver[i++]);
-
- png_debug(1, "in png_write_init_3");
-
-#ifdef PNG_SETJMP_SUPPORTED
- /* Save jump buffer and error functions */
- png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf));
-#endif
-
- if (png_sizeof(png_struct) > png_struct_size)
- {
- png_destroy_struct(png_ptr);
- png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG);
- *ptr_ptr = png_ptr;
- }
-
- /* Reset all variables to 0 */
- png_memset(png_ptr, 0, png_sizeof(png_struct));
-
- /* Added at libpng-1.2.6 */
-#ifdef PNG_SET_USER_LIMITS_SUPPORTED
- png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
- png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
- /* Restore jump buffer */
- png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf));
-#endif
-
- png_set_write_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL,
- png_flush_ptr_NULL);
-
- /* Initialize zbuf - compression buffer */
- png_ptr->zbuf_size = PNG_ZBUF_SIZE;
- png_ptr->zbuf = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)png_ptr->zbuf_size);
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT,
- 1, png_doublep_NULL, png_doublep_NULL);
-#endif
-}
-
-/* Write a few rows of image data. If the image is interlaced,
- * either you will have to write the 7 sub images, or, if you
- * have called png_set_interlace_handling(), you will have to
- * "write" the image seven times.
- */
-void PNGAPI
-png_write_rows(png_structp png_ptr, png_bytepp row,
- png_uint_32 num_rows)
-{
- png_uint_32 i; /* Row counter */
- png_bytepp rp; /* Row pointer */
-
- png_debug(1, "in png_write_rows");
-
- if (png_ptr == NULL)
- return;
-
- /* Loop through the rows */
- for (i = 0, rp = row; i < num_rows; i++, rp++)
- {
- png_write_row(png_ptr, *rp);
- }
-}
-
-/* Write the image. You only need to call this function once, even
- * if you are writing an interlaced image.
- */
-void PNGAPI
-png_write_image(png_structp png_ptr, png_bytepp image)
-{
- png_uint_32 i; /* Row index */
- int pass, num_pass; /* Pass variables */
- png_bytepp rp; /* Points to current row */
-
- if (png_ptr == NULL)
- return;
-
- png_debug(1, "in png_write_image");
-#if defined(PNG_WRITE_INTERLACING_SUPPORTED)
- /* Initialize interlace handling. If image is not interlaced,
- * this will set pass to 1
- */
- num_pass = png_set_interlace_handling(png_ptr);
-#else
- num_pass = 1;
-#endif
- /* Loop through passes */
- for (pass = 0; pass < num_pass; pass++)
- {
- /* Loop through image */
- for (i = 0, rp = image; i < png_ptr->height; i++, rp++)
- {
- png_write_row(png_ptr, *rp);
- }
- }
-}
-
-/* Called by user to write a row of image data */
-void PNGAPI
-png_write_row(png_structp png_ptr, png_bytep row)
-{
- if (png_ptr == NULL)
- return;
- png_debug2(1, "in png_write_row (row %ld, pass %d)",
- png_ptr->row_number, png_ptr->pass);
-
- /* Initialize transformations and other stuff if first time */
- if (png_ptr->row_number == 0 && png_ptr->pass == 0)
- {
- /* Make sure we wrote the header info */
- if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE))
- png_error(png_ptr,
- "png_write_info was never called before png_write_row.");
-
- /* Check for transforms that have been set but were defined out */
-#if !defined(PNG_WRITE_INVERT_SUPPORTED) && defined(PNG_READ_INVERT_SUPPORTED)
- if (png_ptr->transformations & PNG_INVERT_MONO)
- png_warning(png_ptr, "PNG_WRITE_INVERT_SUPPORTED is not defined.");
-#endif
-#if !defined(PNG_WRITE_FILLER_SUPPORTED) && defined(PNG_READ_FILLER_SUPPORTED)
- if (png_ptr->transformations & PNG_FILLER)
- png_warning(png_ptr, "PNG_WRITE_FILLER_SUPPORTED is not defined.");
-#endif
-#if !defined(PNG_WRITE_PACKSWAP_SUPPORTED) && defined(PNG_READ_PACKSWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_PACKSWAP)
- png_warning(png_ptr, "PNG_WRITE_PACKSWAP_SUPPORTED is not defined.");
-#endif
-#if !defined(PNG_WRITE_PACK_SUPPORTED) && defined(PNG_READ_PACK_SUPPORTED)
- if (png_ptr->transformations & PNG_PACK)
- png_warning(png_ptr, "PNG_WRITE_PACK_SUPPORTED is not defined.");
-#endif
-#if !defined(PNG_WRITE_SHIFT_SUPPORTED) && defined(PNG_READ_SHIFT_SUPPORTED)
- if (png_ptr->transformations & PNG_SHIFT)
- png_warning(png_ptr, "PNG_WRITE_SHIFT_SUPPORTED is not defined.");
-#endif
-#if !defined(PNG_WRITE_BGR_SUPPORTED) && defined(PNG_READ_BGR_SUPPORTED)
- if (png_ptr->transformations & PNG_BGR)
- png_warning(png_ptr, "PNG_WRITE_BGR_SUPPORTED is not defined.");
-#endif
-#if !defined(PNG_WRITE_SWAP_SUPPORTED) && defined(PNG_READ_SWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_SWAP_BYTES)
- png_warning(png_ptr, "PNG_WRITE_SWAP_SUPPORTED is not defined.");
-#endif
-
- png_write_start_row(png_ptr);
- }
-
-#if defined(PNG_WRITE_INTERLACING_SUPPORTED)
- /* If interlaced and not interested in row, return */
- if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE))
- {
- switch (png_ptr->pass)
- {
- case 0:
- if (png_ptr->row_number & 0x07)
- {
- png_write_finish_row(png_ptr);
- return;
- }
- break;
- case 1:
- if ((png_ptr->row_number & 0x07) || png_ptr->width < 5)
- {
- png_write_finish_row(png_ptr);
- return;
- }
- break;
- case 2:
- if ((png_ptr->row_number & 0x07) != 4)
- {
- png_write_finish_row(png_ptr);
- return;
- }
- break;
- case 3:
- if ((png_ptr->row_number & 0x03) || png_ptr->width < 3)
- {
- png_write_finish_row(png_ptr);
- return;
- }
- break;
- case 4:
- if ((png_ptr->row_number & 0x03) != 2)
- {
- png_write_finish_row(png_ptr);
- return;
- }
- break;
- case 5:
- if ((png_ptr->row_number & 0x01) || png_ptr->width < 2)
- {
- png_write_finish_row(png_ptr);
- return;
- }
- break;
- case 6:
- if (!(png_ptr->row_number & 0x01))
- {
- png_write_finish_row(png_ptr);
- return;
- }
- break;
- }
- }
-#endif
-
- /* Set up row info for transformations */
- png_ptr->row_info.color_type = png_ptr->color_type;
- png_ptr->row_info.width = png_ptr->usr_width;
- png_ptr->row_info.channels = png_ptr->usr_channels;
- png_ptr->row_info.bit_depth = png_ptr->usr_bit_depth;
- png_ptr->row_info.pixel_depth = (png_byte)(png_ptr->row_info.bit_depth *
- png_ptr->row_info.channels);
-
- png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
- png_ptr->row_info.width);
-
- png_debug1(3, "row_info->color_type = %d", png_ptr->row_info.color_type);
- png_debug1(3, "row_info->width = %lu", png_ptr->row_info.width);
- png_debug1(3, "row_info->channels = %d", png_ptr->row_info.channels);
- png_debug1(3, "row_info->bit_depth = %d", png_ptr->row_info.bit_depth);
- png_debug1(3, "row_info->pixel_depth = %d", png_ptr->row_info.pixel_depth);
- png_debug1(3, "row_info->rowbytes = %lu", png_ptr->row_info.rowbytes);
-
- /* Copy user's row into buffer, leaving room for filter byte. */
- png_memcpy_check(png_ptr, png_ptr->row_buf + 1, row,
- png_ptr->row_info.rowbytes);
-
-#if defined(PNG_WRITE_INTERLACING_SUPPORTED)
- /* Handle interlacing */
- if (png_ptr->interlaced && png_ptr->pass < 6 &&
- (png_ptr->transformations & PNG_INTERLACE))
- {
- png_do_write_interlace(&(png_ptr->row_info),
- png_ptr->row_buf + 1, png_ptr->pass);
- /* This should always get caught above, but still ... */
- if (!(png_ptr->row_info.width))
- {
- png_write_finish_row(png_ptr);
- return;
- }
- }
-#endif
-
- /* Handle other transformations */
- if (png_ptr->transformations)
- png_do_write_transformations(png_ptr);
-
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- /* Write filter_method 64 (intrapixel differencing) only if
- * 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and
- * 2. Libpng did not write a PNG signature (this filter_method is only
- * used in PNG datastreams that are embedded in MNG datastreams) and
- * 3. The application called png_permit_mng_features with a mask that
- * included PNG_FLAG_MNG_FILTER_64 and
- * 4. The filter_method is 64 and
- * 5. The color_type is RGB or RGBA
- */
- if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
- (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING))
- {
- /* Intrapixel differencing */
- png_do_write_intrapixel(&(png_ptr->row_info), png_ptr->row_buf + 1);
- }
-#endif
-
- /* Find a filter if necessary, filter the row and write it out. */
- png_write_find_filter(png_ptr, &(png_ptr->row_info));
-
- if (png_ptr->write_row_fn != NULL)
- (*(png_ptr->write_row_fn))(png_ptr, png_ptr->row_number, png_ptr->pass);
-}
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
-/* Set the automatic flush interval or 0 to turn flushing off */
-void PNGAPI
-png_set_flush(png_structp png_ptr, int nrows)
-{
- png_debug(1, "in png_set_flush");
- if (png_ptr == NULL)
- return;
- png_ptr->flush_dist = (nrows < 0 ? 0 : nrows);
-}
-
-/* Flush the current output buffers now */
-void PNGAPI
-png_write_flush(png_structp png_ptr)
-{
- int wrote_IDAT;
-
- png_debug(1, "in png_write_flush");
- if (png_ptr == NULL)
- return;
- /* We have already written out all of the data */
- if (png_ptr->row_number >= png_ptr->num_rows)
- return;
-
- do
- {
- int ret;
-
- /* Compress the data */
- ret = deflate(&png_ptr->zstream, Z_SYNC_FLUSH);
- wrote_IDAT = 0;
-
- /* Check for compression errors */
- if (ret != Z_OK)
- {
- if (png_ptr->zstream.msg != NULL)
- png_error(png_ptr, png_ptr->zstream.msg);
- else
- png_error(png_ptr, "zlib error");
- }
-
- if (!(png_ptr->zstream.avail_out))
- {
- /* Write the IDAT and reset the zlib output buffer */
- png_write_IDAT(png_ptr, png_ptr->zbuf,
- png_ptr->zbuf_size);
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- wrote_IDAT = 1;
- }
- } while(wrote_IDAT == 1);
-
- /* If there is any data left to be output, write it into a new IDAT */
- if (png_ptr->zbuf_size != png_ptr->zstream.avail_out)
- {
- /* Write the IDAT and reset the zlib output buffer */
- png_write_IDAT(png_ptr, png_ptr->zbuf,
- png_ptr->zbuf_size - png_ptr->zstream.avail_out);
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- }
- png_ptr->flush_rows = 0;
- png_flush(png_ptr);
-}
-#endif /* PNG_WRITE_FLUSH_SUPPORTED */
-
-/* Free all memory used by the write */
-void PNGAPI
-png_destroy_write_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)
-{
- png_structp png_ptr = NULL;
- png_infop info_ptr = NULL;
-#ifdef PNG_USER_MEM_SUPPORTED
- png_free_ptr free_fn = NULL;
- png_voidp mem_ptr = NULL;
-#endif
-
- png_debug(1, "in png_destroy_write_struct");
- if (png_ptr_ptr != NULL)
- {
- png_ptr = *png_ptr_ptr;
-#ifdef PNG_USER_MEM_SUPPORTED
- free_fn = png_ptr->free_fn;
- mem_ptr = png_ptr->mem_ptr;
-#endif
- }
-
-#ifdef PNG_USER_MEM_SUPPORTED
- if (png_ptr != NULL)
- {
- free_fn = png_ptr->free_fn;
- mem_ptr = png_ptr->mem_ptr;
- }
-#endif
-
- if (info_ptr_ptr != NULL)
- info_ptr = *info_ptr_ptr;
-
- if (info_ptr != NULL)
- {
- if (png_ptr != NULL)
- {
- png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1);
-
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
- if (png_ptr->num_chunk_list)
- {
- png_free(png_ptr, png_ptr->chunk_list);
- png_ptr->chunk_list=NULL;
- png_ptr->num_chunk_list = 0;
- }
-#endif
- }
-
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2((png_voidp)info_ptr, (png_free_ptr)free_fn,
- (png_voidp)mem_ptr);
-#else
- png_destroy_struct((png_voidp)info_ptr);
-#endif
- *info_ptr_ptr = NULL;
- }
-
- if (png_ptr != NULL)
- {
- png_write_destroy(png_ptr);
-#ifdef PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2((png_voidp)png_ptr, (png_free_ptr)free_fn,
- (png_voidp)mem_ptr);
-#else
- png_destroy_struct((png_voidp)png_ptr);
-#endif
- *png_ptr_ptr = NULL;
- }
-}
-
-
-/* Free any memory used in png_ptr struct (old method) */
-void /* PRIVATE */
-png_write_destroy(png_structp png_ptr)
-{
-#ifdef PNG_SETJMP_SUPPORTED
- jmp_buf tmp_jmp; /* Save jump buffer */
-#endif
- png_error_ptr error_fn;
- png_error_ptr warning_fn;
- png_voidp error_ptr;
-#ifdef PNG_USER_MEM_SUPPORTED
- png_free_ptr free_fn;
-#endif
-
- png_debug(1, "in png_write_destroy");
- /* Free any memory zlib uses */
- deflateEnd(&png_ptr->zstream);
-
- /* Free our memory. png_free checks NULL for us. */
- png_free(png_ptr, png_ptr->zbuf);
- png_free(png_ptr, png_ptr->row_buf);
-#ifndef PNG_NO_WRITE_FILTER
- png_free(png_ptr, png_ptr->prev_row);
- png_free(png_ptr, png_ptr->sub_row);
- png_free(png_ptr, png_ptr->up_row);
- png_free(png_ptr, png_ptr->avg_row);
- png_free(png_ptr, png_ptr->paeth_row);
-#endif
-
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
- png_free(png_ptr, png_ptr->time_buffer);
-#endif
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- png_free(png_ptr, png_ptr->prev_filters);
- png_free(png_ptr, png_ptr->filter_weights);
- png_free(png_ptr, png_ptr->inv_filter_weights);
- png_free(png_ptr, png_ptr->filter_costs);
- png_free(png_ptr, png_ptr->inv_filter_costs);
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
- /* Reset structure */
- png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf));
-#endif
-
- error_fn = png_ptr->error_fn;
- warning_fn = png_ptr->warning_fn;
- error_ptr = png_ptr->error_ptr;
-#ifdef PNG_USER_MEM_SUPPORTED
- free_fn = png_ptr->free_fn;
-#endif
-
- png_memset(png_ptr, 0, png_sizeof(png_struct));
-
- png_ptr->error_fn = error_fn;
- png_ptr->warning_fn = warning_fn;
- png_ptr->error_ptr = error_ptr;
-#ifdef PNG_USER_MEM_SUPPORTED
- png_ptr->free_fn = free_fn;
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
- png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf));
-#endif
-}
-
-/* Allow the application to select one or more row filters to use. */
-void PNGAPI
-png_set_filter(png_structp png_ptr, int method, int filters)
-{
- png_debug(1, "in png_set_filter");
- if (png_ptr == NULL)
- return;
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
- (method == PNG_INTRAPIXEL_DIFFERENCING))
- method = PNG_FILTER_TYPE_BASE;
-#endif
- if (method == PNG_FILTER_TYPE_BASE)
- {
- switch (filters & (PNG_ALL_FILTERS | 0x07))
- {
-#ifndef PNG_NO_WRITE_FILTER
- case 5:
- case 6:
- case 7: png_warning(png_ptr, "Unknown row filter for method 0");
-#endif /* PNG_NO_WRITE_FILTER */
- case PNG_FILTER_VALUE_NONE:
- png_ptr->do_filter=PNG_FILTER_NONE; break;
-#ifndef PNG_NO_WRITE_FILTER
- case PNG_FILTER_VALUE_SUB:
- png_ptr->do_filter=PNG_FILTER_SUB; break;
- case PNG_FILTER_VALUE_UP:
- png_ptr->do_filter=PNG_FILTER_UP; break;
- case PNG_FILTER_VALUE_AVG:
- png_ptr->do_filter=PNG_FILTER_AVG; break;
- case PNG_FILTER_VALUE_PAETH:
- png_ptr->do_filter=PNG_FILTER_PAETH; break;
- default: png_ptr->do_filter = (png_byte)filters; break;
-#else
- default: png_warning(png_ptr, "Unknown row filter for method 0");
-#endif /* PNG_NO_WRITE_FILTER */
- }
-
- /* If we have allocated the row_buf, this means we have already started
- * with the image and we should have allocated all of the filter buffers
- * that have been selected. If prev_row isn't already allocated, then
- * it is too late to start using the filters that need it, since we
- * will be missing the data in the previous row. If an application
- * wants to start and stop using particular filters during compression,
- * it should start out with all of the filters, and then add and
- * remove them after the start of compression.
- */
- if (png_ptr->row_buf != NULL)
- {
-#ifndef PNG_NO_WRITE_FILTER
- if ((png_ptr->do_filter & PNG_FILTER_SUB) && png_ptr->sub_row == NULL)
- {
- png_ptr->sub_row = (png_bytep)png_malloc(png_ptr,
- (png_ptr->rowbytes + 1));
- png_ptr->sub_row[0] = PNG_FILTER_VALUE_SUB;
- }
-
- if ((png_ptr->do_filter & PNG_FILTER_UP) && png_ptr->up_row == NULL)
- {
- if (png_ptr->prev_row == NULL)
- {
- png_warning(png_ptr, "Can't add Up filter after starting");
- png_ptr->do_filter &= ~PNG_FILTER_UP;
- }
- else
- {
- png_ptr->up_row = (png_bytep)png_malloc(png_ptr,
- (png_ptr->rowbytes + 1));
- png_ptr->up_row[0] = PNG_FILTER_VALUE_UP;
- }
- }
-
- if ((png_ptr->do_filter & PNG_FILTER_AVG) && png_ptr->avg_row == NULL)
- {
- if (png_ptr->prev_row == NULL)
- {
- png_warning(png_ptr, "Can't add Average filter after starting");
- png_ptr->do_filter &= ~PNG_FILTER_AVG;
- }
- else
- {
- png_ptr->avg_row = (png_bytep)png_malloc(png_ptr,
- (png_ptr->rowbytes + 1));
- png_ptr->avg_row[0] = PNG_FILTER_VALUE_AVG;
- }
- }
-
- if ((png_ptr->do_filter & PNG_FILTER_PAETH) &&
- png_ptr->paeth_row == NULL)
- {
- if (png_ptr->prev_row == NULL)
- {
- png_warning(png_ptr, "Can't add Paeth filter after starting");
- png_ptr->do_filter &= (png_byte)(~PNG_FILTER_PAETH);
- }
- else
- {
- png_ptr->paeth_row = (png_bytep)png_malloc(png_ptr,
- (png_ptr->rowbytes + 1));
- png_ptr->paeth_row[0] = PNG_FILTER_VALUE_PAETH;
- }
- }
-
- if (png_ptr->do_filter == PNG_NO_FILTERS)
-#endif /* PNG_NO_WRITE_FILTER */
- png_ptr->do_filter = PNG_FILTER_NONE;
- }
- }
- else
- png_error(png_ptr, "Unknown custom filter method");
-}
-
-/* This allows us to influence the way in which libpng chooses the "best"
- * filter for the current scanline. While the "minimum-sum-of-absolute-
- * differences metric is relatively fast and effective, there is some
- * question as to whether it can be improved upon by trying to keep the
- * filtered data going to zlib more consistent, hopefully resulting in
- * better compression.
- */
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) /* GRR 970116 */
-void PNGAPI
-png_set_filter_heuristics(png_structp png_ptr, int heuristic_method,
- int num_weights, png_doublep filter_weights,
- png_doublep filter_costs)
-{
- int i;
-
- png_debug(1, "in png_set_filter_heuristics");
- if (png_ptr == NULL)
- return;
- if (heuristic_method >= PNG_FILTER_HEURISTIC_LAST)
- {
- png_warning(png_ptr, "Unknown filter heuristic method");
- return;
- }
-
- if (heuristic_method == PNG_FILTER_HEURISTIC_DEFAULT)
- {
- heuristic_method = PNG_FILTER_HEURISTIC_UNWEIGHTED;
- }
-
- if (num_weights < 0 || filter_weights == NULL ||
- heuristic_method == PNG_FILTER_HEURISTIC_UNWEIGHTED)
- {
- num_weights = 0;
- }
-
- png_ptr->num_prev_filters = (png_byte)num_weights;
- png_ptr->heuristic_method = (png_byte)heuristic_method;
-
- if (num_weights > 0)
- {
- if (png_ptr->prev_filters == NULL)
- {
- png_ptr->prev_filters = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(png_sizeof(png_byte) * num_weights));
-
- /* To make sure that the weighting starts out fairly */
- for (i = 0; i < num_weights; i++)
- {
- png_ptr->prev_filters[i] = 255;
- }
- }
-
- if (png_ptr->filter_weights == NULL)
- {
- png_ptr->filter_weights = (png_uint_16p)png_malloc(png_ptr,
- (png_uint_32)(png_sizeof(png_uint_16) * num_weights));
-
- png_ptr->inv_filter_weights = (png_uint_16p)png_malloc(png_ptr,
- (png_uint_32)(png_sizeof(png_uint_16) * num_weights));
- for (i = 0; i < num_weights; i++)
- {
- png_ptr->inv_filter_weights[i] =
- png_ptr->filter_weights[i] = PNG_WEIGHT_FACTOR;
- }
- }
-
- for (i = 0; i < num_weights; i++)
- {
- if (filter_weights[i] < 0.0)
- {
- png_ptr->inv_filter_weights[i] =
- png_ptr->filter_weights[i] = PNG_WEIGHT_FACTOR;
- }
- else
- {
- png_ptr->inv_filter_weights[i] =
- (png_uint_16)((double)PNG_WEIGHT_FACTOR*filter_weights[i]+0.5);
- png_ptr->filter_weights[i] =
- (png_uint_16)((double)PNG_WEIGHT_FACTOR/filter_weights[i]+0.5);
- }
- }
- }
-
- /* If, in the future, there are other filter methods, this would
- * need to be based on png_ptr->filter.
- */
- if (png_ptr->filter_costs == NULL)
- {
- png_ptr->filter_costs = (png_uint_16p)png_malloc(png_ptr,
- (png_uint_32)(png_sizeof(png_uint_16) * PNG_FILTER_VALUE_LAST));
-
- png_ptr->inv_filter_costs = (png_uint_16p)png_malloc(png_ptr,
- (png_uint_32)(png_sizeof(png_uint_16) * PNG_FILTER_VALUE_LAST));
-
- for (i = 0; i < PNG_FILTER_VALUE_LAST; i++)
- {
- png_ptr->inv_filter_costs[i] =
- png_ptr->filter_costs[i] = PNG_COST_FACTOR;
- }
- }
-
- /* Here is where we set the relative costs of the different filters. We
- * should take the desired compression level into account when setting
- * the costs, so that Paeth, for instance, has a high relative cost at low
- * compression levels, while it has a lower relative cost at higher
- * compression settings. The filter types are in order of increasing
- * relative cost, so it would be possible to do this with an algorithm.
- */
- for (i = 0; i < PNG_FILTER_VALUE_LAST; i++)
- {
- if (filter_costs == NULL || filter_costs[i] < 0.0)
- {
- png_ptr->inv_filter_costs[i] =
- png_ptr->filter_costs[i] = PNG_COST_FACTOR;
- }
- else if (filter_costs[i] >= 1.0)
- {
- png_ptr->inv_filter_costs[i] =
- (png_uint_16)((double)PNG_COST_FACTOR / filter_costs[i] + 0.5);
- png_ptr->filter_costs[i] =
- (png_uint_16)((double)PNG_COST_FACTOR * filter_costs[i] + 0.5);
- }
- }
-}
-#endif /* PNG_WRITE_WEIGHTED_FILTER_SUPPORTED */
-
-void PNGAPI
-png_set_compression_level(png_structp png_ptr, int level)
-{
- png_debug(1, "in png_set_compression_level");
- if (png_ptr == NULL)
- return;
- png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_LEVEL;
- png_ptr->zlib_level = level;
-}
-
-void PNGAPI
-png_set_compression_mem_level(png_structp png_ptr, int mem_level)
-{
- png_debug(1, "in png_set_compression_mem_level");
- if (png_ptr == NULL)
- return;
- png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL;
- png_ptr->zlib_mem_level = mem_level;
-}
-
-void PNGAPI
-png_set_compression_strategy(png_structp png_ptr, int strategy)
-{
- png_debug(1, "in png_set_compression_strategy");
- if (png_ptr == NULL)
- return;
- png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_STRATEGY;
- png_ptr->zlib_strategy = strategy;
-}
-
-void PNGAPI
-png_set_compression_window_bits(png_structp png_ptr, int window_bits)
-{
- if (png_ptr == NULL)
- return;
- if (window_bits > 15)
- png_warning(png_ptr, "Only compression windows <= 32k supported by PNG");
- else if (window_bits < 8)
- png_warning(png_ptr, "Only compression windows >= 256 supported by PNG");
-#ifndef WBITS_8_OK
- /* Avoid libpng bug with 256-byte windows */
- if (window_bits == 8)
- {
- png_warning(png_ptr, "Compression window is being reset to 512");
- window_bits=9;
- }
-#endif
- png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS;
- png_ptr->zlib_window_bits = window_bits;
-}
-
-void PNGAPI
-png_set_compression_method(png_structp png_ptr, int method)
-{
- png_debug(1, "in png_set_compression_method");
- if (png_ptr == NULL)
- return;
- if (method != 8)
- png_warning(png_ptr, "Only compression method 8 is supported by PNG");
- png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_METHOD;
- png_ptr->zlib_method = method;
-}
-
-void PNGAPI
-png_set_write_status_fn(png_structp png_ptr, png_write_status_ptr write_row_fn)
-{
- if (png_ptr == NULL)
- return;
- png_ptr->write_row_fn = write_row_fn;
-}
-
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
-void PNGAPI
-png_set_write_user_transform_fn(png_structp png_ptr, png_user_transform_ptr
- write_user_transform_fn)
-{
- png_debug(1, "in png_set_write_user_transform_fn");
- if (png_ptr == NULL)
- return;
- png_ptr->transformations |= PNG_USER_TRANSFORM;
- png_ptr->write_user_transform_fn = write_user_transform_fn;
-}
-#endif
-
-
-#if defined(PNG_INFO_IMAGE_SUPPORTED)
-void PNGAPI
-png_write_png(png_structp png_ptr, png_infop info_ptr,
- int transforms, voidp params)
-{
- if (png_ptr == NULL || info_ptr == NULL)
- return;
-#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
- /* Invert the alpha channel from opacity to transparency */
- if (transforms & PNG_TRANSFORM_INVERT_ALPHA)
- png_set_invert_alpha(png_ptr);
-#endif
-
- /* Write the file header information. */
- png_write_info(png_ptr, info_ptr);
-
- /* ------ these transformations don't touch the info structure ------- */
-
-#if defined(PNG_WRITE_INVERT_SUPPORTED)
- /* Invert monochrome pixels */
- if (transforms & PNG_TRANSFORM_INVERT_MONO)
- png_set_invert_mono(png_ptr);
-#endif
-
-#if defined(PNG_WRITE_SHIFT_SUPPORTED)
- /* Shift the pixels up to a legal bit depth and fill in
- * as appropriate to correctly scale the image.
- */
- if ((transforms & PNG_TRANSFORM_SHIFT)
- && (info_ptr->valid & PNG_INFO_sBIT))
- png_set_shift(png_ptr, &info_ptr->sig_bit);
-#endif
-
-#if defined(PNG_WRITE_PACK_SUPPORTED)
- /* Pack pixels into bytes */
- if (transforms & PNG_TRANSFORM_PACKING)
- png_set_packing(png_ptr);
-#endif
-
-#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
- /* Swap location of alpha bytes from ARGB to RGBA */
- if (transforms & PNG_TRANSFORM_SWAP_ALPHA)
- png_set_swap_alpha(png_ptr);
-#endif
-
-#if defined(PNG_WRITE_FILLER_SUPPORTED)
- /* Pack XRGB/RGBX/ARGB/RGBA into * RGB (4 channels -> 3 channels) */
- if (transforms & PNG_TRANSFORM_STRIP_FILLER_AFTER)
- png_set_filler(png_ptr, 0, PNG_FILLER_AFTER);
- else if (transforms & PNG_TRANSFORM_STRIP_FILLER_BEFORE)
- png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE);
-#endif
-
-#if defined(PNG_WRITE_BGR_SUPPORTED)
- /* Flip BGR pixels to RGB */
- if (transforms & PNG_TRANSFORM_BGR)
- png_set_bgr(png_ptr);
-#endif
-
-#if defined(PNG_WRITE_SWAP_SUPPORTED)
- /* Swap bytes of 16-bit files to most significant byte first */
- if (transforms & PNG_TRANSFORM_SWAP_ENDIAN)
- png_set_swap(png_ptr);
-#endif
-
-#if defined(PNG_WRITE_PACKSWAP_SUPPORTED)
- /* Swap bits of 1, 2, 4 bit packed pixel formats */
- if (transforms & PNG_TRANSFORM_PACKSWAP)
- png_set_packswap(png_ptr);
-#endif
-
- /* ----------------------- end of transformations ------------------- */
-
- /* Write the bits */
- if (info_ptr->valid & PNG_INFO_IDAT)
- png_write_image(png_ptr, info_ptr->row_pointers);
-
- /* It is REQUIRED to call this to finish writing the rest of the file */
- png_write_end(png_ptr, info_ptr);
-
- transforms = transforms; /* Quiet compiler warnings */
- params = params;
-}
-#endif
-#endif /* PNG_WRITE_SUPPORTED */
+++ /dev/null
-
-/* pngwtran.c - transforms the data in a row for PNG writers
- *
- * Last changed in libpng 1.2.37 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#ifdef PNG_WRITE_SUPPORTED
-
-/* Transform the data according to the user's wishes. The order of
- * transformations is significant.
- */
-void /* PRIVATE */
-png_do_write_transformations(png_structp png_ptr)
-{
- png_debug(1, "in png_do_write_transformations");
-
- if (png_ptr == NULL)
- return;
-
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- if (png_ptr->transformations & PNG_USER_TRANSFORM)
- if (png_ptr->write_user_transform_fn != NULL)
- (*(png_ptr->write_user_transform_fn)) /* User write transform function */
- (png_ptr, /* png_ptr */
- &(png_ptr->row_info), /* row_info: */
- /* png_uint_32 width; width of row */
- /* png_uint_32 rowbytes; number of bytes in row */
- /* png_byte color_type; color type of pixels */
- /* png_byte bit_depth; bit depth of samples */
- /* png_byte channels; number of channels (1-4) */
- /* png_byte pixel_depth; bits per pixel (depth*channels) */
- png_ptr->row_buf + 1); /* start of pixel data for row */
-#endif
-#if defined(PNG_WRITE_FILLER_SUPPORTED)
- if (png_ptr->transformations & PNG_FILLER)
- png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1,
- png_ptr->flags);
-#endif
-#if defined(PNG_WRITE_PACKSWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_PACKSWAP)
- png_do_packswap(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-#if defined(PNG_WRITE_PACK_SUPPORTED)
- if (png_ptr->transformations & PNG_PACK)
- png_do_pack(&(png_ptr->row_info), png_ptr->row_buf + 1,
- (png_uint_32)png_ptr->bit_depth);
-#endif
-#if defined(PNG_WRITE_SWAP_SUPPORTED)
- if (png_ptr->transformations & PNG_SWAP_BYTES)
- png_do_swap(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-#if defined(PNG_WRITE_SHIFT_SUPPORTED)
- if (png_ptr->transformations & PNG_SHIFT)
- png_do_shift(&(png_ptr->row_info), png_ptr->row_buf + 1,
- &(png_ptr->shift));
-#endif
-#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
- if (png_ptr->transformations & PNG_SWAP_ALPHA)
- png_do_write_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
- if (png_ptr->transformations & PNG_INVERT_ALPHA)
- png_do_write_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-#if defined(PNG_WRITE_BGR_SUPPORTED)
- if (png_ptr->transformations & PNG_BGR)
- png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-#if defined(PNG_WRITE_INVERT_SUPPORTED)
- if (png_ptr->transformations & PNG_INVERT_MONO)
- png_do_invert(&(png_ptr->row_info), png_ptr->row_buf + 1);
-#endif
-}
-
-#if defined(PNG_WRITE_PACK_SUPPORTED)
-/* Pack pixels into bytes. Pass the true bit depth in bit_depth. The
- * row_info bit depth should be 8 (one pixel per byte). The channels
- * should be 1 (this only happens on grayscale and paletted images).
- */
-void /* PRIVATE */
-png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
-{
- png_debug(1, "in png_do_pack");
- if (row_info->bit_depth == 8 &&
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- row_info->channels == 1)
- {
- switch ((int)bit_depth)
- {
- case 1:
- {
- png_bytep sp, dp;
- int mask, v;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- sp = row;
- dp = row;
- mask = 0x80;
- v = 0;
-
- for (i = 0; i < row_width; i++)
- {
- if (*sp != 0)
- v |= mask;
- sp++;
- if (mask > 1)
- mask >>= 1;
- else
- {
- mask = 0x80;
- *dp = (png_byte)v;
- dp++;
- v = 0;
- }
- }
- if (mask != 0x80)
- *dp = (png_byte)v;
- break;
- }
- case 2:
- {
- png_bytep sp, dp;
- int shift, v;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- sp = row;
- dp = row;
- shift = 6;
- v = 0;
- for (i = 0; i < row_width; i++)
- {
- png_byte value;
-
- value = (png_byte)(*sp & 0x03);
- v |= (value << shift);
- if (shift == 0)
- {
- shift = 6;
- *dp = (png_byte)v;
- dp++;
- v = 0;
- }
- else
- shift -= 2;
- sp++;
- }
- if (shift != 6)
- *dp = (png_byte)v;
- break;
- }
- case 4:
- {
- png_bytep sp, dp;
- int shift, v;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- sp = row;
- dp = row;
- shift = 4;
- v = 0;
- for (i = 0; i < row_width; i++)
- {
- png_byte value;
-
- value = (png_byte)(*sp & 0x0f);
- v |= (value << shift);
-
- if (shift == 0)
- {
- shift = 4;
- *dp = (png_byte)v;
- dp++;
- v = 0;
- }
- else
- shift -= 4;
-
- sp++;
- }
- if (shift != 4)
- *dp = (png_byte)v;
- break;
- }
- }
- row_info->bit_depth = (png_byte)bit_depth;
- row_info->pixel_depth = (png_byte)(bit_depth * row_info->channels);
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,
- row_info->width);
- }
-}
-#endif
-
-#if defined(PNG_WRITE_SHIFT_SUPPORTED)
-/* Shift pixel values to take advantage of whole range. Pass the
- * true number of bits in bit_depth. The row should be packed
- * according to row_info->bit_depth. Thus, if you had a row of
- * bit depth 4, but the pixels only had values from 0 to 7, you
- * would pass 3 as bit_depth, and this routine would translate the
- * data to 0 to 15.
- */
-void /* PRIVATE */
-png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
-{
- png_debug(1, "in png_do_shift");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL &&
-#else
- if (
-#endif
- row_info->color_type != PNG_COLOR_TYPE_PALETTE)
- {
- int shift_start[4], shift_dec[4];
- int channels = 0;
-
- if (row_info->color_type & PNG_COLOR_MASK_COLOR)
- {
- shift_start[channels] = row_info->bit_depth - bit_depth->red;
- shift_dec[channels] = bit_depth->red;
- channels++;
- shift_start[channels] = row_info->bit_depth - bit_depth->green;
- shift_dec[channels] = bit_depth->green;
- channels++;
- shift_start[channels] = row_info->bit_depth - bit_depth->blue;
- shift_dec[channels] = bit_depth->blue;
- channels++;
- }
- else
- {
- shift_start[channels] = row_info->bit_depth - bit_depth->gray;
- shift_dec[channels] = bit_depth->gray;
- channels++;
- }
- if (row_info->color_type & PNG_COLOR_MASK_ALPHA)
- {
- shift_start[channels] = row_info->bit_depth - bit_depth->alpha;
- shift_dec[channels] = bit_depth->alpha;
- channels++;
- }
-
- /* With low row depths, could only be grayscale, so one channel */
- if (row_info->bit_depth < 8)
- {
- png_bytep bp = row;
- png_uint_32 i;
- png_byte mask;
- png_uint_32 row_bytes = row_info->rowbytes;
-
- if (bit_depth->gray == 1 && row_info->bit_depth == 2)
- mask = 0x55;
- else if (row_info->bit_depth == 4 && bit_depth->gray == 3)
- mask = 0x11;
- else
- mask = 0xff;
-
- for (i = 0; i < row_bytes; i++, bp++)
- {
- png_uint_16 v;
- int j;
-
- v = *bp;
- *bp = 0;
- for (j = shift_start[0]; j > -shift_dec[0]; j -= shift_dec[0])
- {
- if (j > 0)
- *bp |= (png_byte)((v << j) & 0xff);
- else
- *bp |= (png_byte)((v >> (-j)) & mask);
- }
- }
- }
- else if (row_info->bit_depth == 8)
- {
- png_bytep bp = row;
- png_uint_32 i;
- png_uint_32 istop = channels * row_info->width;
-
- for (i = 0; i < istop; i++, bp++)
- {
-
- png_uint_16 v;
- int j;
- int c = (int)(i%channels);
-
- v = *bp;
- *bp = 0;
- for (j = shift_start[c]; j > -shift_dec[c]; j -= shift_dec[c])
- {
- if (j > 0)
- *bp |= (png_byte)((v << j) & 0xff);
- else
- *bp |= (png_byte)((v >> (-j)) & 0xff);
- }
- }
- }
- else
- {
- png_bytep bp;
- png_uint_32 i;
- png_uint_32 istop = channels * row_info->width;
-
- for (bp = row, i = 0; i < istop; i++)
- {
- int c = (int)(i%channels);
- png_uint_16 value, v;
- int j;
-
- v = (png_uint_16)(((png_uint_16)(*bp) << 8) + *(bp + 1));
- value = 0;
- for (j = shift_start[c]; j > -shift_dec[c]; j -= shift_dec[c])
- {
- if (j > 0)
- value |= (png_uint_16)((v << j) & (png_uint_16)0xffff);
- else
- value |= (png_uint_16)((v >> (-j)) & (png_uint_16)0xffff);
- }
- *bp++ = (png_byte)(value >> 8);
- *bp++ = (png_byte)(value & 0xff);
- }
- }
- }
-}
-#endif
-
-#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
-void /* PRIVATE */
-png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_write_swap_alpha");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL)
-#endif
- {
- if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- {
- /* This converts from ARGB to RGBA */
- if (row_info->bit_depth == 8)
- {
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
- for (i = 0, sp = dp = row; i < row_width; i++)
- {
- png_byte save = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = save;
- }
- }
- /* This converts from AARRGGBB to RRGGBBAA */
- else
- {
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- for (i = 0, sp = dp = row; i < row_width; i++)
- {
- png_byte save[2];
- save[0] = *(sp++);
- save[1] = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = save[0];
- *(dp++) = save[1];
- }
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- {
- /* This converts from AG to GA */
- if (row_info->bit_depth == 8)
- {
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- for (i = 0, sp = dp = row; i < row_width; i++)
- {
- png_byte save = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = save;
- }
- }
- /* This converts from AAGG to GGAA */
- else
- {
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- for (i = 0, sp = dp = row; i < row_width; i++)
- {
- png_byte save[2];
- save[0] = *(sp++);
- save[1] = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = save[0];
- *(dp++) = save[1];
- }
- }
- }
- }
-}
-#endif
-
-#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
-void /* PRIVATE */
-png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_write_invert_alpha");
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL)
-#endif
- {
- if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- {
- /* This inverts the alpha channel in RGBA */
- if (row_info->bit_depth == 8)
- {
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
- for (i = 0, sp = dp = row; i < row_width; i++)
- {
- /* Does nothing
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- */
- sp+=3; dp = sp;
- *(dp++) = (png_byte)(255 - *(sp++));
- }
- }
- /* This inverts the alpha channel in RRGGBBAA */
- else
- {
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- for (i = 0, sp = dp = row; i < row_width; i++)
- {
- /* Does nothing
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- */
- sp+=6; dp = sp;
- *(dp++) = (png_byte)(255 - *(sp++));
- *(dp++) = (png_byte)(255 - *(sp++));
- }
- }
- }
- else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- {
- /* This inverts the alpha channel in GA */
- if (row_info->bit_depth == 8)
- {
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- for (i = 0, sp = dp = row; i < row_width; i++)
- {
- *(dp++) = *(sp++);
- *(dp++) = (png_byte)(255 - *(sp++));
- }
- }
- /* This inverts the alpha channel in GGAA */
- else
- {
- png_bytep sp, dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- for (i = 0, sp = dp = row; i < row_width; i++)
- {
- /* Does nothing
- *(dp++) = *(sp++);
- *(dp++) = *(sp++);
- */
- sp+=2; dp = sp;
- *(dp++) = (png_byte)(255 - *(sp++));
- *(dp++) = (png_byte)(255 - *(sp++));
- }
- }
- }
- }
-}
-#endif
-
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
-/* Undoes intrapixel differencing */
-void /* PRIVATE */
-png_do_write_intrapixel(png_row_infop row_info, png_bytep row)
-{
- png_debug(1, "in png_do_write_intrapixel");
- if (
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- row != NULL && row_info != NULL &&
-#endif
- (row_info->color_type & PNG_COLOR_MASK_COLOR))
- {
- int bytes_per_pixel;
- png_uint_32 row_width = row_info->width;
- if (row_info->bit_depth == 8)
- {
- png_bytep rp;
- png_uint_32 i;
-
- if (row_info->color_type == PNG_COLOR_TYPE_RGB)
- bytes_per_pixel = 3;
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- bytes_per_pixel = 4;
- else
- return;
-
- for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
- {
- *(rp) = (png_byte)((*rp - *(rp+1))&0xff);
- *(rp+2) = (png_byte)((*(rp+2) - *(rp+1))&0xff);
- }
- }
- else if (row_info->bit_depth == 16)
- {
- png_bytep rp;
- png_uint_32 i;
-
- if (row_info->color_type == PNG_COLOR_TYPE_RGB)
- bytes_per_pixel = 6;
- else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- bytes_per_pixel = 8;
- else
- return;
-
- for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
- {
- png_uint_32 s0 = (*(rp ) << 8) | *(rp+1);
- png_uint_32 s1 = (*(rp+2) << 8) | *(rp+3);
- png_uint_32 s2 = (*(rp+4) << 8) | *(rp+5);
- png_uint_32 red = (png_uint_32)((s0 - s1) & 0xffffL);
- png_uint_32 blue = (png_uint_32)((s2 - s1) & 0xffffL);
- *(rp ) = (png_byte)((red >> 8) & 0xff);
- *(rp+1) = (png_byte)(red & 0xff);
- *(rp+4) = (png_byte)((blue >> 8) & 0xff);
- *(rp+5) = (png_byte)(blue & 0xff);
- }
- }
- }
-}
-#endif /* PNG_MNG_FEATURES_SUPPORTED */
-#endif /* PNG_WRITE_SUPPORTED */
+++ /dev/null
-
-/* pngwutil.c - utilities to write a PNG file
- *
- * Last changed in libpng 1.2.36 [June 4, 2009]
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2009 Glenn Randers-Pehrson
- * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
- * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-#ifdef PNG_WRITE_SUPPORTED
-
-/* Place a 32-bit number into a buffer in PNG byte order. We work
- * with unsigned numbers for convenience, although one supported
- * ancillary chunk uses signed (two's complement) numbers.
- */
-void PNGAPI
-png_save_uint_32(png_bytep buf, png_uint_32 i)
-{
- buf[0] = (png_byte)((i >> 24) & 0xff);
- buf[1] = (png_byte)((i >> 16) & 0xff);
- buf[2] = (png_byte)((i >> 8) & 0xff);
- buf[3] = (png_byte)(i & 0xff);
-}
-
-/* The png_save_int_32 function assumes integers are stored in two's
- * complement format. If this isn't the case, then this routine needs to
- * be modified to write data in two's complement format.
- */
-void PNGAPI
-png_save_int_32(png_bytep buf, png_int_32 i)
-{
- buf[0] = (png_byte)((i >> 24) & 0xff);
- buf[1] = (png_byte)((i >> 16) & 0xff);
- buf[2] = (png_byte)((i >> 8) & 0xff);
- buf[3] = (png_byte)(i & 0xff);
-}
-
-/* Place a 16-bit number into a buffer in PNG byte order.
- * The parameter is declared unsigned int, not png_uint_16,
- * just to avoid potential problems on pre-ANSI C compilers.
- */
-void PNGAPI
-png_save_uint_16(png_bytep buf, unsigned int i)
-{
- buf[0] = (png_byte)((i >> 8) & 0xff);
- buf[1] = (png_byte)(i & 0xff);
-}
-
-/* Simple function to write the signature. If we have already written
- * the magic bytes of the signature, or more likely, the PNG stream is
- * being embedded into another stream and doesn't need its own signature,
- * we should call png_set_sig_bytes() to tell libpng how many of the
- * bytes have already been written.
- */
-void /* PRIVATE */
-png_write_sig(png_structp png_ptr)
-{
- png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10};
-
- /* Write the rest of the 8 byte signature */
- png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes],
- (png_size_t)(8 - png_ptr->sig_bytes));
- if (png_ptr->sig_bytes < 3)
- png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE;
-}
-
-/* Write a PNG chunk all at once. The type is an array of ASCII characters
- * representing the chunk name. The array must be at least 4 bytes in
- * length, and does not need to be null terminated. To be safe, pass the
- * pre-defined chunk names here, and if you need a new one, define it
- * where the others are defined. The length is the length of the data.
- * All the data must be present. If that is not possible, use the
- * png_write_chunk_start(), png_write_chunk_data(), and png_write_chunk_end()
- * functions instead.
- */
-void PNGAPI
-png_write_chunk(png_structp png_ptr, png_bytep chunk_name,
- png_bytep data, png_size_t length)
-{
- if (png_ptr == NULL)
- return;
- png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length);
- png_write_chunk_data(png_ptr, data, (png_size_t)length);
- png_write_chunk_end(png_ptr);
-}
-
-/* Write the start of a PNG chunk. The type is the chunk type.
- * The total_length is the sum of the lengths of all the data you will be
- * passing in png_write_chunk_data().
- */
-void PNGAPI
-png_write_chunk_start(png_structp png_ptr, png_bytep chunk_name,
- png_uint_32 length)
-{
- png_byte buf[8];
-
- png_debug2(0, "Writing %s chunk, length = %lu", chunk_name,
- (unsigned long)length);
- if (png_ptr == NULL)
- return;
-
- /* Write the length and the chunk name */
- png_save_uint_32(buf, length);
- png_memcpy(buf + 4, chunk_name, 4);
- png_write_data(png_ptr, buf, (png_size_t)8);
- /* Put the chunk name into png_ptr->chunk_name */
- png_memcpy(png_ptr->chunk_name, chunk_name, 4);
- /* Reset the crc and run it over the chunk name */
- png_reset_crc(png_ptr);
- png_calculate_crc(png_ptr, chunk_name, (png_size_t)4);
-}
-
-/* Write the data of a PNG chunk started with png_write_chunk_start().
- * Note that multiple calls to this function are allowed, and that the
- * sum of the lengths from these calls *must* add up to the total_length
- * given to png_write_chunk_start().
- */
-void PNGAPI
-png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- /* Write the data, and run the CRC over it */
- if (png_ptr == NULL)
- return;
- if (data != NULL && length > 0)
- {
- png_write_data(png_ptr, data, length);
- /* Update the CRC after writing the data,
- * in case that the user I/O routine alters it.
- */
- png_calculate_crc(png_ptr, data, length);
- }
-}
-
-/* Finish a chunk started with png_write_chunk_start(). */
-void PNGAPI
-png_write_chunk_end(png_structp png_ptr)
-{
- png_byte buf[4];
-
- if (png_ptr == NULL) return;
-
- /* Write the crc in a single operation */
- png_save_uint_32(buf, png_ptr->crc);
-
- png_write_data(png_ptr, buf, (png_size_t)4);
-}
-
-#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_iCCP_SUPPORTED)
-/* This pair of functions encapsulates the operation of (a) compressing a
- * text string, and (b) issuing it later as a series of chunk data writes.
- * The compression_state structure is shared context for these functions
- * set up by the caller in order to make the whole mess thread-safe.
- */
-
-typedef struct
-{
- char *input; /* The uncompressed input data */
- int input_len; /* Its length */
- int num_output_ptr; /* Number of output pointers used */
- int max_output_ptr; /* Size of output_ptr */
- png_charpp output_ptr; /* Array of pointers to output */
-} compression_state;
-
-/* Compress given text into storage in the png_ptr structure */
-static int /* PRIVATE */
-png_text_compress(png_structp png_ptr,
- png_charp text, png_size_t text_len, int compression,
- compression_state *comp)
-{
- int ret;
-
- comp->num_output_ptr = 0;
- comp->max_output_ptr = 0;
- comp->output_ptr = NULL;
- comp->input = NULL;
- comp->input_len = 0;
-
- /* We may just want to pass the text right through */
- if (compression == PNG_TEXT_COMPRESSION_NONE)
- {
- comp->input = text;
- comp->input_len = text_len;
- return((int)text_len);
- }
-
- if (compression >= PNG_TEXT_COMPRESSION_LAST)
- {
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- char msg[50];
- png_snprintf(msg, 50, "Unknown compression type %d", compression);
- png_warning(png_ptr, msg);
-#else
- png_warning(png_ptr, "Unknown compression type");
-#endif
- }
-
- /* We can't write the chunk until we find out how much data we have,
- * which means we need to run the compressor first and save the
- * output. This shouldn't be a problem, as the vast majority of
- * comments should be reasonable, but we will set up an array of
- * malloc'd pointers to be sure.
- *
- * If we knew the application was well behaved, we could simplify this
- * greatly by assuming we can always malloc an output buffer large
- * enough to hold the compressed text ((1001 * text_len / 1000) + 12)
- * and malloc this directly. The only time this would be a bad idea is
- * if we can't malloc more than 64K and we have 64K of random input
- * data, or if the input string is incredibly large (although this
- * wouldn't cause a failure, just a slowdown due to swapping).
- */
-
- /* Set up the compression buffers */
- png_ptr->zstream.avail_in = (uInt)text_len;
- png_ptr->zstream.next_in = (Bytef *)text;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- png_ptr->zstream.next_out = (Bytef *)png_ptr->zbuf;
-
- /* This is the same compression loop as in png_write_row() */
- do
- {
- /* Compress the data */
- ret = deflate(&png_ptr->zstream, Z_NO_FLUSH);
- if (ret != Z_OK)
- {
- /* Error */
- if (png_ptr->zstream.msg != NULL)
- png_error(png_ptr, png_ptr->zstream.msg);
- else
- png_error(png_ptr, "zlib error");
- }
- /* Check to see if we need more room */
- if (!(png_ptr->zstream.avail_out))
- {
- /* Make sure the output array has room */
- if (comp->num_output_ptr >= comp->max_output_ptr)
- {
- int old_max;
-
- old_max = comp->max_output_ptr;
- comp->max_output_ptr = comp->num_output_ptr + 4;
- if (comp->output_ptr != NULL)
- {
- png_charpp old_ptr;
-
- old_ptr = comp->output_ptr;
- comp->output_ptr = (png_charpp)png_malloc(png_ptr,
- (png_uint_32)
- (comp->max_output_ptr * png_sizeof(png_charpp)));
- png_memcpy(comp->output_ptr, old_ptr, old_max
- * png_sizeof(png_charp));
- png_free(png_ptr, old_ptr);
- }
- else
- comp->output_ptr = (png_charpp)png_malloc(png_ptr,
- (png_uint_32)
- (comp->max_output_ptr * png_sizeof(png_charp)));
- }
-
- /* Save the data */
- comp->output_ptr[comp->num_output_ptr] =
- (png_charp)png_malloc(png_ptr,
- (png_uint_32)png_ptr->zbuf_size);
- png_memcpy(comp->output_ptr[comp->num_output_ptr], png_ptr->zbuf,
- png_ptr->zbuf_size);
- comp->num_output_ptr++;
-
- /* and reset the buffer */
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- png_ptr->zstream.next_out = png_ptr->zbuf;
- }
- /* Continue until we don't have any more to compress */
- } while (png_ptr->zstream.avail_in);
-
- /* Finish the compression */
- do
- {
- /* Tell zlib we are finished */
- ret = deflate(&png_ptr->zstream, Z_FINISH);
-
- if (ret == Z_OK)
- {
- /* Check to see if we need more room */
- if (!(png_ptr->zstream.avail_out))
- {
- /* Check to make sure our output array has room */
- if (comp->num_output_ptr >= comp->max_output_ptr)
- {
- int old_max;
-
- old_max = comp->max_output_ptr;
- comp->max_output_ptr = comp->num_output_ptr + 4;
- if (comp->output_ptr != NULL)
- {
- png_charpp old_ptr;
-
- old_ptr = comp->output_ptr;
- /* This could be optimized to realloc() */
- comp->output_ptr = (png_charpp)png_malloc(png_ptr,
- (png_uint_32)(comp->max_output_ptr *
- png_sizeof(png_charp)));
- png_memcpy(comp->output_ptr, old_ptr,
- old_max * png_sizeof(png_charp));
- png_free(png_ptr, old_ptr);
- }
- else
- comp->output_ptr = (png_charpp)png_malloc(png_ptr,
- (png_uint_32)(comp->max_output_ptr *
- png_sizeof(png_charp)));
- }
-
- /* Save the data */
- comp->output_ptr[comp->num_output_ptr] =
- (png_charp)png_malloc(png_ptr,
- (png_uint_32)png_ptr->zbuf_size);
- png_memcpy(comp->output_ptr[comp->num_output_ptr], png_ptr->zbuf,
- png_ptr->zbuf_size);
- comp->num_output_ptr++;
-
- /* and reset the buffer pointers */
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- png_ptr->zstream.next_out = png_ptr->zbuf;
- }
- }
- else if (ret != Z_STREAM_END)
- {
- /* We got an error */
- if (png_ptr->zstream.msg != NULL)
- png_error(png_ptr, png_ptr->zstream.msg);
- else
- png_error(png_ptr, "zlib error");
- }
- } while (ret != Z_STREAM_END);
-
- /* Text length is number of buffers plus last buffer */
- text_len = png_ptr->zbuf_size * comp->num_output_ptr;
- if (png_ptr->zstream.avail_out < png_ptr->zbuf_size)
- text_len += png_ptr->zbuf_size - (png_size_t)png_ptr->zstream.avail_out;
-
- return((int)text_len);
-}
-
-/* Ship the compressed text out via chunk writes */
-static void /* PRIVATE */
-png_write_compressed_data_out(png_structp png_ptr, compression_state *comp)
-{
- int i;
-
- /* Handle the no-compression case */
- if (comp->input)
- {
- png_write_chunk_data(png_ptr, (png_bytep)comp->input,
- (png_size_t)comp->input_len);
- return;
- }
-
- /* Write saved output buffers, if any */
- for (i = 0; i < comp->num_output_ptr; i++)
- {
- png_write_chunk_data(png_ptr, (png_bytep)comp->output_ptr[i],
- (png_size_t)png_ptr->zbuf_size);
- png_free(png_ptr, comp->output_ptr[i]);
- comp->output_ptr[i]=NULL;
- }
- if (comp->max_output_ptr != 0)
- png_free(png_ptr, comp->output_ptr);
- comp->output_ptr=NULL;
- /* Write anything left in zbuf */
- if (png_ptr->zstream.avail_out < (png_uint_32)png_ptr->zbuf_size)
- png_write_chunk_data(png_ptr, png_ptr->zbuf,
- (png_size_t)(png_ptr->zbuf_size - png_ptr->zstream.avail_out));
-
- /* Reset zlib for another zTXt/iTXt or image data */
- deflateReset(&png_ptr->zstream);
- png_ptr->zstream.data_type = Z_BINARY;
-}
-#endif
-
-/* Write the IHDR chunk, and update the png_struct with the necessary
- * information. Note that the rest of this code depends upon this
- * information being correct.
- */
-void /* PRIVATE */
-png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
- int bit_depth, int color_type, int compression_type, int filter_type,
- int interlace_type)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_IHDR;
-#endif
- int ret;
-
- png_byte buf[13]; /* Buffer to store the IHDR info */
-
- png_debug(1, "in png_write_IHDR");
- /* Check that we have valid input data from the application info */
- switch (color_type)
- {
- case PNG_COLOR_TYPE_GRAY:
- switch (bit_depth)
- {
- case 1:
- case 2:
- case 4:
- case 8:
- case 16: png_ptr->channels = 1; break;
- default: png_error(png_ptr, "Invalid bit depth for grayscale image");
- }
- break;
- case PNG_COLOR_TYPE_RGB:
- if (bit_depth != 8 && bit_depth != 16)
- png_error(png_ptr, "Invalid bit depth for RGB image");
- png_ptr->channels = 3;
- break;
- case PNG_COLOR_TYPE_PALETTE:
- switch (bit_depth)
- {
- case 1:
- case 2:
- case 4:
- case 8: png_ptr->channels = 1; break;
- default: png_error(png_ptr, "Invalid bit depth for paletted image");
- }
- break;
- case PNG_COLOR_TYPE_GRAY_ALPHA:
- if (bit_depth != 8 && bit_depth != 16)
- png_error(png_ptr, "Invalid bit depth for grayscale+alpha image");
- png_ptr->channels = 2;
- break;
- case PNG_COLOR_TYPE_RGB_ALPHA:
- if (bit_depth != 8 && bit_depth != 16)
- png_error(png_ptr, "Invalid bit depth for RGBA image");
- png_ptr->channels = 4;
- break;
- default:
- png_error(png_ptr, "Invalid image color type specified");
- }
-
- if (compression_type != PNG_COMPRESSION_TYPE_BASE)
- {
- png_warning(png_ptr, "Invalid compression type specified");
- compression_type = PNG_COMPRESSION_TYPE_BASE;
- }
-
- /* Write filter_method 64 (intrapixel differencing) only if
- * 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and
- * 2. Libpng did not write a PNG signature (this filter_method is only
- * used in PNG datastreams that are embedded in MNG datastreams) and
- * 3. The application called png_permit_mng_features with a mask that
- * included PNG_FLAG_MNG_FILTER_64 and
- * 4. The filter_method is 64 and
- * 5. The color_type is RGB or RGBA
- */
- if (
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- !((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
- ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) &&
- (color_type == PNG_COLOR_TYPE_RGB ||
- color_type == PNG_COLOR_TYPE_RGB_ALPHA) &&
- (filter_type == PNG_INTRAPIXEL_DIFFERENCING)) &&
-#endif
- filter_type != PNG_FILTER_TYPE_BASE)
- {
- png_warning(png_ptr, "Invalid filter type specified");
- filter_type = PNG_FILTER_TYPE_BASE;
- }
-
-#ifdef PNG_WRITE_INTERLACING_SUPPORTED
- if (interlace_type != PNG_INTERLACE_NONE &&
- interlace_type != PNG_INTERLACE_ADAM7)
- {
- png_warning(png_ptr, "Invalid interlace type specified");
- interlace_type = PNG_INTERLACE_ADAM7;
- }
-#else
- interlace_type=PNG_INTERLACE_NONE;
-#endif
-
- /* Save the relevent information */
- png_ptr->bit_depth = (png_byte)bit_depth;
- png_ptr->color_type = (png_byte)color_type;
- png_ptr->interlaced = (png_byte)interlace_type;
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- png_ptr->filter_type = (png_byte)filter_type;
-#endif
- png_ptr->compression_type = (png_byte)compression_type;
- png_ptr->width = width;
- png_ptr->height = height;
-
- png_ptr->pixel_depth = (png_byte)(bit_depth * png_ptr->channels);
- png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, width);
- /* Set the usr info, so any transformations can modify it */
- png_ptr->usr_width = png_ptr->width;
- png_ptr->usr_bit_depth = png_ptr->bit_depth;
- png_ptr->usr_channels = png_ptr->channels;
-
- /* Pack the header information into the buffer */
- png_save_uint_32(buf, width);
- png_save_uint_32(buf + 4, height);
- buf[8] = (png_byte)bit_depth;
- buf[9] = (png_byte)color_type;
- buf[10] = (png_byte)compression_type;
- buf[11] = (png_byte)filter_type;
- buf[12] = (png_byte)interlace_type;
-
- /* Write the chunk */
- png_write_chunk(png_ptr, (png_bytep)png_IHDR, buf, (png_size_t)13);
-
- /* Initialize zlib with PNG info */
- png_ptr->zstream.zalloc = png_zalloc;
- png_ptr->zstream.zfree = png_zfree;
- png_ptr->zstream.opaque = (voidpf)png_ptr;
- if (!(png_ptr->do_filter))
- {
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE ||
- png_ptr->bit_depth < 8)
- png_ptr->do_filter = PNG_FILTER_NONE;
- else
- png_ptr->do_filter = PNG_ALL_FILTERS;
- }
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_STRATEGY))
- {
- if (png_ptr->do_filter != PNG_FILTER_NONE)
- png_ptr->zlib_strategy = Z_FILTERED;
- else
- png_ptr->zlib_strategy = Z_DEFAULT_STRATEGY;
- }
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_LEVEL))
- png_ptr->zlib_level = Z_DEFAULT_COMPRESSION;
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL))
- png_ptr->zlib_mem_level = 8;
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS))
- png_ptr->zlib_window_bits = 15;
- if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_METHOD))
- png_ptr->zlib_method = 8;
- ret = deflateInit2(&png_ptr->zstream, png_ptr->zlib_level,
- png_ptr->zlib_method, png_ptr->zlib_window_bits,
- png_ptr->zlib_mem_level, png_ptr->zlib_strategy);
- if (ret != Z_OK)
- {
- if (ret == Z_VERSION_ERROR) png_error(png_ptr,
- "zlib failed to initialize compressor -- version error");
- if (ret == Z_STREAM_ERROR) png_error(png_ptr,
- "zlib failed to initialize compressor -- stream error");
- if (ret == Z_MEM_ERROR) png_error(png_ptr,
- "zlib failed to initialize compressor -- mem error");
- png_error(png_ptr, "zlib failed to initialize compressor");
- }
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- /* libpng is not interested in zstream.data_type */
- /* Set it to a predefined value, to avoid its evaluation inside zlib */
- png_ptr->zstream.data_type = Z_BINARY;
-
- png_ptr->mode = PNG_HAVE_IHDR;
-}
-
-/* Write the palette. We are careful not to trust png_color to be in the
- * correct order for PNG, so people can redefine it to any convenient
- * structure.
- */
-void /* PRIVATE */
-png_write_PLTE(png_structp png_ptr, png_colorp palette, png_uint_32 num_pal)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_PLTE;
-#endif
- png_uint_32 i;
- png_colorp pal_ptr;
- png_byte buf[3];
-
- png_debug(1, "in png_write_PLTE");
- if ((
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- !(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE) &&
-#endif
- num_pal == 0) || num_pal > 256)
- {
- if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
- {
- png_error(png_ptr, "Invalid number of colors in palette");
- }
- else
- {
- png_warning(png_ptr, "Invalid number of colors in palette");
- return;
- }
- }
-
- if (!(png_ptr->color_type&PNG_COLOR_MASK_COLOR))
- {
- png_warning(png_ptr,
- "Ignoring request to write a PLTE chunk in grayscale PNG");
- return;
- }
-
- png_ptr->num_palette = (png_uint_16)num_pal;
- png_debug1(3, "num_palette = %d", png_ptr->num_palette);
-
- png_write_chunk_start(png_ptr, (png_bytep)png_PLTE,
- (png_uint_32)(num_pal * 3));
-#ifndef PNG_NO_POINTER_INDEXING
- for (i = 0, pal_ptr = palette; i < num_pal; i++, pal_ptr++)
- {
- buf[0] = pal_ptr->red;
- buf[1] = pal_ptr->green;
- buf[2] = pal_ptr->blue;
- png_write_chunk_data(png_ptr, buf, (png_size_t)3);
- }
-#else
- /* This is a little slower but some buggy compilers need to do this instead */
- pal_ptr=palette;
- for (i = 0; i < num_pal; i++)
- {
- buf[0] = pal_ptr[i].red;
- buf[1] = pal_ptr[i].green;
- buf[2] = pal_ptr[i].blue;
- png_write_chunk_data(png_ptr, buf, (png_size_t)3);
- }
-#endif
- png_write_chunk_end(png_ptr);
- png_ptr->mode |= PNG_HAVE_PLTE;
-}
-
-/* Write an IDAT chunk */
-void /* PRIVATE */
-png_write_IDAT(png_structp png_ptr, png_bytep data, png_size_t length)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_IDAT;
-#endif
- png_debug(1, "in png_write_IDAT");
-
- /* Optimize the CMF field in the zlib stream. */
- /* This hack of the zlib stream is compliant to the stream specification. */
- if (!(png_ptr->mode & PNG_HAVE_IDAT) &&
- png_ptr->compression_type == PNG_COMPRESSION_TYPE_BASE)
- {
- unsigned int z_cmf = data[0]; /* zlib compression method and flags */
- if ((z_cmf & 0x0f) == 8 && (z_cmf & 0xf0) <= 0x70)
- {
- /* Avoid memory underflows and multiplication overflows.
- *
- * The conditions below are practically always satisfied;
- * however, they still must be checked.
- */
- if (length >= 2 &&
- png_ptr->height < 16384 && png_ptr->width < 16384)
- {
- png_uint_32 uncompressed_idat_size = png_ptr->height *
- ((png_ptr->width *
- png_ptr->channels * png_ptr->bit_depth + 15) >> 3);
- unsigned int z_cinfo = z_cmf >> 4;
- unsigned int half_z_window_size = 1 << (z_cinfo + 7);
- while (uncompressed_idat_size <= half_z_window_size &&
- half_z_window_size >= 256)
- {
- z_cinfo--;
- half_z_window_size >>= 1;
- }
- z_cmf = (z_cmf & 0x0f) | (z_cinfo << 4);
- if (data[0] != (png_byte)z_cmf)
- {
- data[0] = (png_byte)z_cmf;
- data[1] &= 0xe0;
- data[1] += (png_byte)(0x1f - ((z_cmf << 8) + data[1]) % 0x1f);
- }
- }
- }
- else
- png_error(png_ptr,
- "Invalid zlib compression method or flags in IDAT");
- }
-
- png_write_chunk(png_ptr, (png_bytep)png_IDAT, data, length);
- png_ptr->mode |= PNG_HAVE_IDAT;
-}
-
-/* Write an IEND chunk */
-void /* PRIVATE */
-png_write_IEND(png_structp png_ptr)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_IEND;
-#endif
- png_debug(1, "in png_write_IEND");
- png_write_chunk(png_ptr, (png_bytep)png_IEND, png_bytep_NULL,
- (png_size_t)0);
- png_ptr->mode |= PNG_HAVE_IEND;
-}
-
-#if defined(PNG_WRITE_gAMA_SUPPORTED)
-/* Write a gAMA chunk */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-void /* PRIVATE */
-png_write_gAMA(png_structp png_ptr, double file_gamma)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_gAMA;
-#endif
- png_uint_32 igamma;
- png_byte buf[4];
-
- png_debug(1, "in png_write_gAMA");
- /* file_gamma is saved in 1/100,000ths */
- igamma = (png_uint_32)(file_gamma * 100000.0 + 0.5);
- png_save_uint_32(buf, igamma);
- png_write_chunk(png_ptr, (png_bytep)png_gAMA, buf, (png_size_t)4);
-}
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
-void /* PRIVATE */
-png_write_gAMA_fixed(png_structp png_ptr, png_fixed_point file_gamma)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_gAMA;
-#endif
- png_byte buf[4];
-
- png_debug(1, "in png_write_gAMA");
- /* file_gamma is saved in 1/100,000ths */
- png_save_uint_32(buf, (png_uint_32)file_gamma);
- png_write_chunk(png_ptr, (png_bytep)png_gAMA, buf, (png_size_t)4);
-}
-#endif
-#endif
-
-#if defined(PNG_WRITE_sRGB_SUPPORTED)
-/* Write a sRGB chunk */
-void /* PRIVATE */
-png_write_sRGB(png_structp png_ptr, int srgb_intent)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_sRGB;
-#endif
- png_byte buf[1];
-
- png_debug(1, "in png_write_sRGB");
- if (srgb_intent >= PNG_sRGB_INTENT_LAST)
- png_warning(png_ptr,
- "Invalid sRGB rendering intent specified");
- buf[0]=(png_byte)srgb_intent;
- png_write_chunk(png_ptr, (png_bytep)png_sRGB, buf, (png_size_t)1);
-}
-#endif
-
-#if defined(PNG_WRITE_iCCP_SUPPORTED)
-/* Write an iCCP chunk */
-void /* PRIVATE */
-png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type,
- png_charp profile, int profile_len)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_iCCP;
-#endif
- png_size_t name_len;
- png_charp new_name;
- compression_state comp;
- int embedded_profile_len = 0;
-
- png_debug(1, "in png_write_iCCP");
-
- comp.num_output_ptr = 0;
- comp.max_output_ptr = 0;
- comp.output_ptr = NULL;
- comp.input = NULL;
- comp.input_len = 0;
-
- if ((name_len = png_check_keyword(png_ptr, name,
- &new_name)) == 0)
- return;
-
- if (compression_type != PNG_COMPRESSION_TYPE_BASE)
- png_warning(png_ptr, "Unknown compression type in iCCP chunk");
-
- if (profile == NULL)
- profile_len = 0;
-
- if (profile_len > 3)
- embedded_profile_len =
- ((*( (png_bytep)profile ))<<24) |
- ((*( (png_bytep)profile + 1))<<16) |
- ((*( (png_bytep)profile + 2))<< 8) |
- ((*( (png_bytep)profile + 3)) );
-
- if (profile_len < embedded_profile_len)
- {
- png_warning(png_ptr,
- "Embedded profile length too large in iCCP chunk");
- png_free(png_ptr, new_name);
- return;
- }
-
- if (profile_len > embedded_profile_len)
- {
- png_warning(png_ptr,
- "Truncating profile to actual length in iCCP chunk");
- profile_len = embedded_profile_len;
- }
-
- if (profile_len)
- profile_len = png_text_compress(png_ptr, profile,
- (png_size_t)profile_len, PNG_COMPRESSION_TYPE_BASE, &comp);
-
- /* Make sure we include the NULL after the name and the compression type */
- png_write_chunk_start(png_ptr, (png_bytep)png_iCCP,
- (png_uint_32)(name_len + profile_len + 2));
- new_name[name_len + 1] = 0x00;
- png_write_chunk_data(png_ptr, (png_bytep)new_name,
- (png_size_t)(name_len + 2));
-
- if (profile_len)
- png_write_compressed_data_out(png_ptr, &comp);
-
- png_write_chunk_end(png_ptr);
- png_free(png_ptr, new_name);
-}
-#endif
-
-#if defined(PNG_WRITE_sPLT_SUPPORTED)
-/* Write a sPLT chunk */
-void /* PRIVATE */
-png_write_sPLT(png_structp png_ptr, png_sPLT_tp spalette)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_sPLT;
-#endif
- png_size_t name_len;
- png_charp new_name;
- png_byte entrybuf[10];
- int entry_size = (spalette->depth == 8 ? 6 : 10);
- int palette_size = entry_size * spalette->nentries;
- png_sPLT_entryp ep;
-#ifdef PNG_NO_POINTER_INDEXING
- int i;
-#endif
-
- png_debug(1, "in png_write_sPLT");
- if ((name_len = png_check_keyword(png_ptr,spalette->name, &new_name))==0)
- return;
-
- /* Make sure we include the NULL after the name */
- png_write_chunk_start(png_ptr, (png_bytep)png_sPLT,
- (png_uint_32)(name_len + 2 + palette_size));
- png_write_chunk_data(png_ptr, (png_bytep)new_name,
- (png_size_t)(name_len + 1));
- png_write_chunk_data(png_ptr, (png_bytep)&spalette->depth, (png_size_t)1);
-
- /* Loop through each palette entry, writing appropriately */
-#ifndef PNG_NO_POINTER_INDEXING
- for (ep = spalette->entries; ep<spalette->entries + spalette->nentries; ep++)
- {
- if (spalette->depth == 8)
- {
- entrybuf[0] = (png_byte)ep->red;
- entrybuf[1] = (png_byte)ep->green;
- entrybuf[2] = (png_byte)ep->blue;
- entrybuf[3] = (png_byte)ep->alpha;
- png_save_uint_16(entrybuf + 4, ep->frequency);
- }
- else
- {
- png_save_uint_16(entrybuf + 0, ep->red);
- png_save_uint_16(entrybuf + 2, ep->green);
- png_save_uint_16(entrybuf + 4, ep->blue);
- png_save_uint_16(entrybuf + 6, ep->alpha);
- png_save_uint_16(entrybuf + 8, ep->frequency);
- }
- png_write_chunk_data(png_ptr, entrybuf, (png_size_t)entry_size);
- }
-#else
- ep=spalette->entries;
- for (i=0; i>spalette->nentries; i++)
- {
- if (spalette->depth == 8)
- {
- entrybuf[0] = (png_byte)ep[i].red;
- entrybuf[1] = (png_byte)ep[i].green;
- entrybuf[2] = (png_byte)ep[i].blue;
- entrybuf[3] = (png_byte)ep[i].alpha;
- png_save_uint_16(entrybuf + 4, ep[i].frequency);
- }
- else
- {
- png_save_uint_16(entrybuf + 0, ep[i].red);
- png_save_uint_16(entrybuf + 2, ep[i].green);
- png_save_uint_16(entrybuf + 4, ep[i].blue);
- png_save_uint_16(entrybuf + 6, ep[i].alpha);
- png_save_uint_16(entrybuf + 8, ep[i].frequency);
- }
- png_write_chunk_data(png_ptr, entrybuf, (png_size_t)entry_size);
- }
-#endif
-
- png_write_chunk_end(png_ptr);
- png_free(png_ptr, new_name);
-}
-#endif
-
-#if defined(PNG_WRITE_sBIT_SUPPORTED)
-/* Write the sBIT chunk */
-void /* PRIVATE */
-png_write_sBIT(png_structp png_ptr, png_color_8p sbit, int color_type)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_sBIT;
-#endif
- png_byte buf[4];
- png_size_t size;
-
- png_debug(1, "in png_write_sBIT");
- /* Make sure we don't depend upon the order of PNG_COLOR_8 */
- if (color_type & PNG_COLOR_MASK_COLOR)
- {
- png_byte maxbits;
-
- maxbits = (png_byte)(color_type==PNG_COLOR_TYPE_PALETTE ? 8 :
- png_ptr->usr_bit_depth);
- if (sbit->red == 0 || sbit->red > maxbits ||
- sbit->green == 0 || sbit->green > maxbits ||
- sbit->blue == 0 || sbit->blue > maxbits)
- {
- png_warning(png_ptr, "Invalid sBIT depth specified");
- return;
- }
- buf[0] = sbit->red;
- buf[1] = sbit->green;
- buf[2] = sbit->blue;
- size = 3;
- }
- else
- {
- if (sbit->gray == 0 || sbit->gray > png_ptr->usr_bit_depth)
- {
- png_warning(png_ptr, "Invalid sBIT depth specified");
- return;
- }
- buf[0] = sbit->gray;
- size = 1;
- }
-
- if (color_type & PNG_COLOR_MASK_ALPHA)
- {
- if (sbit->alpha == 0 || sbit->alpha > png_ptr->usr_bit_depth)
- {
- png_warning(png_ptr, "Invalid sBIT depth specified");
- return;
- }
- buf[size++] = sbit->alpha;
- }
-
- png_write_chunk(png_ptr, (png_bytep)png_sBIT, buf, size);
-}
-#endif
-
-#if defined(PNG_WRITE_cHRM_SUPPORTED)
-/* Write the cHRM chunk */
-#ifdef PNG_FLOATING_POINT_SUPPORTED
-void /* PRIVATE */
-png_write_cHRM(png_structp png_ptr, double white_x, double white_y,
- double red_x, double red_y, double green_x, double green_y,
- double blue_x, double blue_y)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_cHRM;
-#endif
- png_byte buf[32];
-
- png_fixed_point int_white_x, int_white_y, int_red_x, int_red_y,
- int_green_x, int_green_y, int_blue_x, int_blue_y;
-
- png_debug(1, "in png_write_cHRM");
-
- int_white_x = (png_uint_32)(white_x * 100000.0 + 0.5);
- int_white_y = (png_uint_32)(white_y * 100000.0 + 0.5);
- int_red_x = (png_uint_32)(red_x * 100000.0 + 0.5);
- int_red_y = (png_uint_32)(red_y * 100000.0 + 0.5);
- int_green_x = (png_uint_32)(green_x * 100000.0 + 0.5);
- int_green_y = (png_uint_32)(green_y * 100000.0 + 0.5);
- int_blue_x = (png_uint_32)(blue_x * 100000.0 + 0.5);
- int_blue_y = (png_uint_32)(blue_y * 100000.0 + 0.5);
-
-#if !defined(PNG_NO_CHECK_cHRM)
- if (png_check_cHRM_fixed(png_ptr, int_white_x, int_white_y,
- int_red_x, int_red_y, int_green_x, int_green_y, int_blue_x, int_blue_y))
-#endif
- {
- /* Each value is saved in 1/100,000ths */
-
- png_save_uint_32(buf, int_white_x);
- png_save_uint_32(buf + 4, int_white_y);
-
- png_save_uint_32(buf + 8, int_red_x);
- png_save_uint_32(buf + 12, int_red_y);
-
- png_save_uint_32(buf + 16, int_green_x);
- png_save_uint_32(buf + 20, int_green_y);
-
- png_save_uint_32(buf + 24, int_blue_x);
- png_save_uint_32(buf + 28, int_blue_y);
-
- png_write_chunk(png_ptr, (png_bytep)png_cHRM, buf, (png_size_t)32);
- }
-}
-#endif
-#ifdef PNG_FIXED_POINT_SUPPORTED
-void /* PRIVATE */
-png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
- png_fixed_point white_y, png_fixed_point red_x, png_fixed_point red_y,
- png_fixed_point green_x, png_fixed_point green_y, png_fixed_point blue_x,
- png_fixed_point blue_y)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_cHRM;
-#endif
- png_byte buf[32];
-
- png_debug(1, "in png_write_cHRM");
- /* Each value is saved in 1/100,000ths */
-#if !defined(PNG_NO_CHECK_cHRM)
- if (png_check_cHRM_fixed(png_ptr, white_x, white_y, red_x, red_y,
- green_x, green_y, blue_x, blue_y))
-#endif
- {
- png_save_uint_32(buf, (png_uint_32)white_x);
- png_save_uint_32(buf + 4, (png_uint_32)white_y);
-
- png_save_uint_32(buf + 8, (png_uint_32)red_x);
- png_save_uint_32(buf + 12, (png_uint_32)red_y);
-
- png_save_uint_32(buf + 16, (png_uint_32)green_x);
- png_save_uint_32(buf + 20, (png_uint_32)green_y);
-
- png_save_uint_32(buf + 24, (png_uint_32)blue_x);
- png_save_uint_32(buf + 28, (png_uint_32)blue_y);
-
- png_write_chunk(png_ptr, (png_bytep)png_cHRM, buf, (png_size_t)32);
- }
-}
-#endif
-#endif
-
-#if defined(PNG_WRITE_tRNS_SUPPORTED)
-/* Write the tRNS chunk */
-void /* PRIVATE */
-png_write_tRNS(png_structp png_ptr, png_bytep trans, png_color_16p tran,
- int num_trans, int color_type)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_tRNS;
-#endif
- png_byte buf[6];
-
- png_debug(1, "in png_write_tRNS");
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- {
- if (num_trans <= 0 || num_trans > (int)png_ptr->num_palette)
- {
- png_warning(png_ptr, "Invalid number of transparent colors specified");
- return;
- }
- /* Write the chunk out as it is */
- png_write_chunk(png_ptr, (png_bytep)png_tRNS, trans,
- (png_size_t)num_trans);
- }
- else if (color_type == PNG_COLOR_TYPE_GRAY)
- {
- /* One 16 bit value */
- if (tran->gray >= (1 << png_ptr->bit_depth))
- {
- png_warning(png_ptr,
- "Ignoring attempt to write tRNS chunk out-of-range for bit_depth");
- return;
- }
- png_save_uint_16(buf, tran->gray);
- png_write_chunk(png_ptr, (png_bytep)png_tRNS, buf, (png_size_t)2);
- }
- else if (color_type == PNG_COLOR_TYPE_RGB)
- {
- /* Three 16 bit values */
- png_save_uint_16(buf, tran->red);
- png_save_uint_16(buf + 2, tran->green);
- png_save_uint_16(buf + 4, tran->blue);
- if (png_ptr->bit_depth == 8 && (buf[0] | buf[2] | buf[4]))
- {
- png_warning(png_ptr,
- "Ignoring attempt to write 16-bit tRNS chunk when bit_depth is 8");
- return;
- }
- png_write_chunk(png_ptr, (png_bytep)png_tRNS, buf, (png_size_t)6);
- }
- else
- {
- png_warning(png_ptr, "Can't write tRNS with an alpha channel");
- }
-}
-#endif
-
-#if defined(PNG_WRITE_bKGD_SUPPORTED)
-/* Write the background chunk */
-void /* PRIVATE */
-png_write_bKGD(png_structp png_ptr, png_color_16p back, int color_type)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_bKGD;
-#endif
- png_byte buf[6];
-
- png_debug(1, "in png_write_bKGD");
- if (color_type == PNG_COLOR_TYPE_PALETTE)
- {
- if (
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
- (png_ptr->num_palette ||
- (!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE))) &&
-#endif
- back->index >= png_ptr->num_palette)
- {
- png_warning(png_ptr, "Invalid background palette index");
- return;
- }
- buf[0] = back->index;
- png_write_chunk(png_ptr, (png_bytep)png_bKGD, buf, (png_size_t)1);
- }
- else if (color_type & PNG_COLOR_MASK_COLOR)
- {
- png_save_uint_16(buf, back->red);
- png_save_uint_16(buf + 2, back->green);
- png_save_uint_16(buf + 4, back->blue);
- if (png_ptr->bit_depth == 8 && (buf[0] | buf[2] | buf[4]))
- {
- png_warning(png_ptr,
- "Ignoring attempt to write 16-bit bKGD chunk when bit_depth is 8");
- return;
- }
- png_write_chunk(png_ptr, (png_bytep)png_bKGD, buf, (png_size_t)6);
- }
- else
- {
- if (back->gray >= (1 << png_ptr->bit_depth))
- {
- png_warning(png_ptr,
- "Ignoring attempt to write bKGD chunk out-of-range for bit_depth");
- return;
- }
- png_save_uint_16(buf, back->gray);
- png_write_chunk(png_ptr, (png_bytep)png_bKGD, buf, (png_size_t)2);
- }
-}
-#endif
-
-#if defined(PNG_WRITE_hIST_SUPPORTED)
-/* Write the histogram */
-void /* PRIVATE */
-png_write_hIST(png_structp png_ptr, png_uint_16p hist, int num_hist)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_hIST;
-#endif
- int i;
- png_byte buf[3];
-
- png_debug(1, "in png_write_hIST");
- if (num_hist > (int)png_ptr->num_palette)
- {
- png_debug2(3, "num_hist = %d, num_palette = %d", num_hist,
- png_ptr->num_palette);
- png_warning(png_ptr, "Invalid number of histogram entries specified");
- return;
- }
-
- png_write_chunk_start(png_ptr, (png_bytep)png_hIST,
- (png_uint_32)(num_hist * 2));
- for (i = 0; i < num_hist; i++)
- {
- png_save_uint_16(buf, hist[i]);
- png_write_chunk_data(png_ptr, buf, (png_size_t)2);
- }
- png_write_chunk_end(png_ptr);
-}
-#endif
-
-#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_pCAL_SUPPORTED) || \
- defined(PNG_WRITE_iCCP_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED)
-/* Check that the tEXt or zTXt keyword is valid per PNG 1.0 specification,
- * and if invalid, correct the keyword rather than discarding the entire
- * chunk. The PNG 1.0 specification requires keywords 1-79 characters in
- * length, forbids leading or trailing whitespace, multiple internal spaces,
- * and the non-break space (0x80) from ISO 8859-1. Returns keyword length.
- *
- * The new_key is allocated to hold the corrected keyword and must be freed
- * by the calling routine. This avoids problems with trying to write to
- * static keywords without having to have duplicate copies of the strings.
- */
-png_size_t /* PRIVATE */
-png_check_keyword(png_structp png_ptr, png_charp key, png_charpp new_key)
-{
- png_size_t key_len;
- png_charp kp, dp;
- int kflag;
- int kwarn=0;
-
- png_debug(1, "in png_check_keyword");
- *new_key = NULL;
-
- if (key == NULL || (key_len = png_strlen(key)) == 0)
- {
- png_warning(png_ptr, "zero length keyword");
- return ((png_size_t)0);
- }
-
- png_debug1(2, "Keyword to be checked is '%s'", key);
-
- *new_key = (png_charp)png_malloc_warn(png_ptr, (png_uint_32)(key_len + 2));
- if (*new_key == NULL)
- {
- png_warning(png_ptr, "Out of memory while procesing keyword");
- return ((png_size_t)0);
- }
-
- /* Replace non-printing characters with a blank and print a warning */
- for (kp = key, dp = *new_key; *kp != '\0'; kp++, dp++)
- {
- if ((png_byte)*kp < 0x20 ||
- ((png_byte)*kp > 0x7E && (png_byte)*kp < 0xA1))
- {
-#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
- char msg[40];
-
- png_snprintf(msg, 40,
- "invalid keyword character 0x%02X", (png_byte)*kp);
- png_warning(png_ptr, msg);
-#else
- png_warning(png_ptr, "invalid character in keyword");
-#endif
- *dp = ' ';
- }
- else
- {
- *dp = *kp;
- }
- }
- *dp = '\0';
-
- /* Remove any trailing white space. */
- kp = *new_key + key_len - 1;
- if (*kp == ' ')
- {
- png_warning(png_ptr, "trailing spaces removed from keyword");
-
- while (*kp == ' ')
- {
- *(kp--) = '\0';
- key_len--;
- }
- }
-
- /* Remove any leading white space. */
- kp = *new_key;
- if (*kp == ' ')
- {
- png_warning(png_ptr, "leading spaces removed from keyword");
-
- while (*kp == ' ')
- {
- kp++;
- key_len--;
- }
- }
-
- png_debug1(2, "Checking for multiple internal spaces in '%s'", kp);
-
- /* Remove multiple internal spaces. */
- for (kflag = 0, dp = *new_key; *kp != '\0'; kp++)
- {
- if (*kp == ' ' && kflag == 0)
- {
- *(dp++) = *kp;
- kflag = 1;
- }
- else if (*kp == ' ')
- {
- key_len--;
- kwarn=1;
- }
- else
- {
- *(dp++) = *kp;
- kflag = 0;
- }
- }
- *dp = '\0';
- if (kwarn)
- png_warning(png_ptr, "extra interior spaces removed from keyword");
-
- if (key_len == 0)
- {
- png_free(png_ptr, *new_key);
- *new_key=NULL;
- png_warning(png_ptr, "Zero length keyword");
- }
-
- if (key_len > 79)
- {
- png_warning(png_ptr, "keyword length must be 1 - 79 characters");
- (*new_key)[79] = '\0';
- key_len = 79;
- }
-
- return (key_len);
-}
-#endif
-
-#if defined(PNG_WRITE_tEXt_SUPPORTED)
-/* Write a tEXt chunk */
-void /* PRIVATE */
-png_write_tEXt(png_structp png_ptr, png_charp key, png_charp text,
- png_size_t text_len)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_tEXt;
-#endif
- png_size_t key_len;
- png_charp new_key;
-
- png_debug(1, "in png_write_tEXt");
- if ((key_len = png_check_keyword(png_ptr, key, &new_key))==0)
- return;
-
- if (text == NULL || *text == '\0')
- text_len = 0;
- else
- text_len = png_strlen(text);
-
- /* Make sure we include the 0 after the key */
- png_write_chunk_start(png_ptr, (png_bytep)png_tEXt,
- (png_uint_32)(key_len + text_len + 1));
- /*
- * We leave it to the application to meet PNG-1.0 requirements on the
- * contents of the text. PNG-1.0 through PNG-1.2 discourage the use of
- * any non-Latin-1 characters except for NEWLINE. ISO PNG will forbid them.
- * The NUL character is forbidden by PNG-1.0 through PNG-1.2 and ISO PNG.
- */
- png_write_chunk_data(png_ptr, (png_bytep)new_key,
- (png_size_t)(key_len + 1));
- if (text_len)
- png_write_chunk_data(png_ptr, (png_bytep)text, (png_size_t)text_len);
-
- png_write_chunk_end(png_ptr);
- png_free(png_ptr, new_key);
-}
-#endif
-
-#if defined(PNG_WRITE_zTXt_SUPPORTED)
-/* Write a compressed text chunk */
-void /* PRIVATE */
-png_write_zTXt(png_structp png_ptr, png_charp key, png_charp text,
- png_size_t text_len, int compression)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_zTXt;
-#endif
- png_size_t key_len;
- char buf[1];
- png_charp new_key;
- compression_state comp;
-
- png_debug(1, "in png_write_zTXt");
-
- comp.num_output_ptr = 0;
- comp.max_output_ptr = 0;
- comp.output_ptr = NULL;
- comp.input = NULL;
- comp.input_len = 0;
-
- if ((key_len = png_check_keyword(png_ptr, key, &new_key))==0)
- {
- png_free(png_ptr, new_key);
- return;
- }
-
- if (text == NULL || *text == '\0' || compression==PNG_TEXT_COMPRESSION_NONE)
- {
- png_write_tEXt(png_ptr, new_key, text, (png_size_t)0);
- png_free(png_ptr, new_key);
- return;
- }
-
- text_len = png_strlen(text);
-
- /* Compute the compressed data; do it now for the length */
- text_len = png_text_compress(png_ptr, text, text_len, compression,
- &comp);
-
- /* Write start of chunk */
- png_write_chunk_start(png_ptr, (png_bytep)png_zTXt,
- (png_uint_32)(key_len+text_len + 2));
- /* Write key */
- png_write_chunk_data(png_ptr, (png_bytep)new_key,
- (png_size_t)(key_len + 1));
- png_free(png_ptr, new_key);
-
- buf[0] = (png_byte)compression;
- /* Write compression */
- png_write_chunk_data(png_ptr, (png_bytep)buf, (png_size_t)1);
- /* Write the compressed data */
- png_write_compressed_data_out(png_ptr, &comp);
-
- /* Close the chunk */
- png_write_chunk_end(png_ptr);
-}
-#endif
-
-#if defined(PNG_WRITE_iTXt_SUPPORTED)
-/* Write an iTXt chunk */
-void /* PRIVATE */
-png_write_iTXt(png_structp png_ptr, int compression, png_charp key,
- png_charp lang, png_charp lang_key, png_charp text)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_iTXt;
-#endif
- png_size_t lang_len, key_len, lang_key_len, text_len;
- png_charp new_lang;
- png_charp new_key = NULL;
- png_byte cbuf[2];
- compression_state comp;
-
- png_debug(1, "in png_write_iTXt");
-
- comp.num_output_ptr = 0;
- comp.max_output_ptr = 0;
- comp.output_ptr = NULL;
- comp.input = NULL;
-
- if ((key_len = png_check_keyword(png_ptr, key, &new_key))==0)
- return;
-
- if ((lang_len = png_check_keyword(png_ptr, lang, &new_lang))==0)
- {
- png_warning(png_ptr, "Empty language field in iTXt chunk");
- new_lang = NULL;
- lang_len = 0;
- }
-
- if (lang_key == NULL)
- lang_key_len = 0;
- else
- lang_key_len = png_strlen(lang_key);
-
- if (text == NULL)
- text_len = 0;
- else
- text_len = png_strlen(text);
-
- /* Compute the compressed data; do it now for the length */
- text_len = png_text_compress(png_ptr, text, text_len, compression-2,
- &comp);
-
-
- /* Make sure we include the compression flag, the compression byte,
- * and the NULs after the key, lang, and lang_key parts */
-
- png_write_chunk_start(png_ptr, (png_bytep)png_iTXt,
- (png_uint_32)(
- 5 /* comp byte, comp flag, terminators for key, lang and lang_key */
- + key_len
- + lang_len
- + lang_key_len
- + text_len));
-
- /* We leave it to the application to meet PNG-1.0 requirements on the
- * contents of the text. PNG-1.0 through PNG-1.2 discourage the use of
- * any non-Latin-1 characters except for NEWLINE. ISO PNG will forbid them.
- * The NUL character is forbidden by PNG-1.0 through PNG-1.2 and ISO PNG.
- */
- png_write_chunk_data(png_ptr, (png_bytep)new_key,
- (png_size_t)(key_len + 1));
-
- /* Set the compression flag */
- if (compression == PNG_ITXT_COMPRESSION_NONE || \
- compression == PNG_TEXT_COMPRESSION_NONE)
- cbuf[0] = 0;
- else /* compression == PNG_ITXT_COMPRESSION_zTXt */
- cbuf[0] = 1;
- /* Set the compression method */
- cbuf[1] = 0;
- png_write_chunk_data(png_ptr, cbuf, (png_size_t)2);
-
- cbuf[0] = 0;
- png_write_chunk_data(png_ptr, (new_lang ? (png_bytep)new_lang : cbuf),
- (png_size_t)(lang_len + 1));
- png_write_chunk_data(png_ptr, (lang_key ? (png_bytep)lang_key : cbuf),
- (png_size_t)(lang_key_len + 1));
- png_write_compressed_data_out(png_ptr, &comp);
-
- png_write_chunk_end(png_ptr);
- png_free(png_ptr, new_key);
- png_free(png_ptr, new_lang);
-}
-#endif
-
-#if defined(PNG_WRITE_oFFs_SUPPORTED)
-/* Write the oFFs chunk */
-void /* PRIVATE */
-png_write_oFFs(png_structp png_ptr, png_int_32 x_offset, png_int_32 y_offset,
- int unit_type)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_oFFs;
-#endif
- png_byte buf[9];
-
- png_debug(1, "in png_write_oFFs");
- if (unit_type >= PNG_OFFSET_LAST)
- png_warning(png_ptr, "Unrecognized unit type for oFFs chunk");
-
- png_save_int_32(buf, x_offset);
- png_save_int_32(buf + 4, y_offset);
- buf[8] = (png_byte)unit_type;
-
- png_write_chunk(png_ptr, (png_bytep)png_oFFs, buf, (png_size_t)9);
-}
-#endif
-#if defined(PNG_WRITE_pCAL_SUPPORTED)
-/* Write the pCAL chunk (described in the PNG extensions document) */
-void /* PRIVATE */
-png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0,
- png_int_32 X1, int type, int nparams, png_charp units, png_charpp params)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_pCAL;
-#endif
- png_size_t purpose_len, units_len, total_len;
- png_uint_32p params_len;
- png_byte buf[10];
- png_charp new_purpose;
- int i;
-
- png_debug1(1, "in png_write_pCAL (%d parameters)", nparams);
- if (type >= PNG_EQUATION_LAST)
- png_warning(png_ptr, "Unrecognized equation type for pCAL chunk");
-
- purpose_len = png_check_keyword(png_ptr, purpose, &new_purpose) + 1;
- png_debug1(3, "pCAL purpose length = %d", (int)purpose_len);
- units_len = png_strlen(units) + (nparams == 0 ? 0 : 1);
- png_debug1(3, "pCAL units length = %d", (int)units_len);
- total_len = purpose_len + units_len + 10;
-
- params_len = (png_uint_32p)png_malloc(png_ptr,
- (png_uint_32)(nparams * png_sizeof(png_uint_32)));
-
- /* Find the length of each parameter, making sure we don't count the
- null terminator for the last parameter. */
- for (i = 0; i < nparams; i++)
- {
- params_len[i] = png_strlen(params[i]) + (i == nparams - 1 ? 0 : 1);
- png_debug2(3, "pCAL parameter %d length = %lu", i,
- (unsigned long) params_len[i]);
- total_len += (png_size_t)params_len[i];
- }
-
- png_debug1(3, "pCAL total length = %d", (int)total_len);
- png_write_chunk_start(png_ptr, (png_bytep)png_pCAL, (png_uint_32)total_len);
- png_write_chunk_data(png_ptr, (png_bytep)new_purpose,
- (png_size_t)purpose_len);
- png_save_int_32(buf, X0);
- png_save_int_32(buf + 4, X1);
- buf[8] = (png_byte)type;
- buf[9] = (png_byte)nparams;
- png_write_chunk_data(png_ptr, buf, (png_size_t)10);
- png_write_chunk_data(png_ptr, (png_bytep)units, (png_size_t)units_len);
-
- png_free(png_ptr, new_purpose);
-
- for (i = 0; i < nparams; i++)
- {
- png_write_chunk_data(png_ptr, (png_bytep)params[i],
- (png_size_t)params_len[i]);
- }
-
- png_free(png_ptr, params_len);
- png_write_chunk_end(png_ptr);
-}
-#endif
-
-#if defined(PNG_WRITE_sCAL_SUPPORTED)
-/* Write the sCAL chunk */
-#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO)
-void /* PRIVATE */
-png_write_sCAL(png_structp png_ptr, int unit, double width, double height)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_sCAL;
-#endif
- char buf[64];
- png_size_t total_len;
-
- png_debug(1, "in png_write_sCAL");
-
- buf[0] = (char)unit;
-#if defined(_WIN32_WCE)
-/* sprintf() function is not supported on WindowsCE */
- {
- wchar_t wc_buf[32];
- size_t wc_len;
- swprintf(wc_buf, TEXT("%12.12e"), width);
- wc_len = wcslen(wc_buf);
- WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, buf + 1, wc_len, NULL, NULL);
- total_len = wc_len + 2;
- swprintf(wc_buf, TEXT("%12.12e"), height);
- wc_len = wcslen(wc_buf);
- WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, buf + total_len, wc_len,
- NULL, NULL);
- total_len += wc_len;
- }
-#else
- png_snprintf(buf + 1, 63, "%12.12e", width);
- total_len = 1 + png_strlen(buf + 1) + 1;
- png_snprintf(buf + total_len, 64-total_len, "%12.12e", height);
- total_len += png_strlen(buf + total_len);
-#endif
-
- png_debug1(3, "sCAL total length = %u", (unsigned int)total_len);
- png_write_chunk(png_ptr, (png_bytep)png_sCAL, (png_bytep)buf, total_len);
-}
-#else
-#ifdef PNG_FIXED_POINT_SUPPORTED
-void /* PRIVATE */
-png_write_sCAL_s(png_structp png_ptr, int unit, png_charp width,
- png_charp height)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_sCAL;
-#endif
- png_byte buf[64];
- png_size_t wlen, hlen, total_len;
-
- png_debug(1, "in png_write_sCAL_s");
-
- wlen = png_strlen(width);
- hlen = png_strlen(height);
- total_len = wlen + hlen + 2;
- if (total_len > 64)
- {
- png_warning(png_ptr, "Can't write sCAL (buffer too small)");
- return;
- }
-
- buf[0] = (png_byte)unit;
- png_memcpy(buf + 1, width, wlen + 1); /* Append the '\0' here */
- png_memcpy(buf + wlen + 2, height, hlen); /* Do NOT append the '\0' here */
-
- png_debug1(3, "sCAL total length = %u", (unsigned int)total_len);
- png_write_chunk(png_ptr, (png_bytep)png_sCAL, buf, total_len);
-}
-#endif
-#endif
-#endif
-
-#if defined(PNG_WRITE_pHYs_SUPPORTED)
-/* Write the pHYs chunk */
-void /* PRIVATE */
-png_write_pHYs(png_structp png_ptr, png_uint_32 x_pixels_per_unit,
- png_uint_32 y_pixels_per_unit,
- int unit_type)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_pHYs;
-#endif
- png_byte buf[9];
-
- png_debug(1, "in png_write_pHYs");
- if (unit_type >= PNG_RESOLUTION_LAST)
- png_warning(png_ptr, "Unrecognized unit type for pHYs chunk");
-
- png_save_uint_32(buf, x_pixels_per_unit);
- png_save_uint_32(buf + 4, y_pixels_per_unit);
- buf[8] = (png_byte)unit_type;
-
- png_write_chunk(png_ptr, (png_bytep)png_pHYs, buf, (png_size_t)9);
-}
-#endif
-
-#if defined(PNG_WRITE_tIME_SUPPORTED)
-/* Write the tIME chunk. Use either png_convert_from_struct_tm()
- * or png_convert_from_time_t(), or fill in the structure yourself.
- */
-void /* PRIVATE */
-png_write_tIME(png_structp png_ptr, png_timep mod_time)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- PNG_tIME;
-#endif
- png_byte buf[7];
-
- png_debug(1, "in png_write_tIME");
- if (mod_time->month > 12 || mod_time->month < 1 ||
- mod_time->day > 31 || mod_time->day < 1 ||
- mod_time->hour > 23 || mod_time->second > 60)
- {
- png_warning(png_ptr, "Invalid time specified for tIME chunk");
- return;
- }
-
- png_save_uint_16(buf, mod_time->year);
- buf[2] = mod_time->month;
- buf[3] = mod_time->day;
- buf[4] = mod_time->hour;
- buf[5] = mod_time->minute;
- buf[6] = mod_time->second;
-
- png_write_chunk(png_ptr, (png_bytep)png_tIME, buf, (png_size_t)7);
-}
-#endif
-
-/* Initializes the row writing capability of libpng */
-void /* PRIVATE */
-png_write_start_row(png_structp png_ptr)
-{
-#ifdef PNG_WRITE_INTERLACING_SUPPORTED
-#ifdef PNG_USE_LOCAL_ARRAYS
- /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
-
- /* Start of interlace block */
- int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
-
- /* Offset to next interlace block */
- int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
-
- /* Start of interlace block in the y direction */
- int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1};
-
- /* Offset to next interlace block in the y direction */
- int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
-#endif
-#endif
-
- png_size_t buf_size;
-
- png_debug(1, "in png_write_start_row");
- buf_size = (png_size_t)(PNG_ROWBYTES(
- png_ptr->usr_channels*png_ptr->usr_bit_depth, png_ptr->width) + 1);
-
- /* Set up row buffer */
- png_ptr->row_buf = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)buf_size);
- png_ptr->row_buf[0] = PNG_FILTER_VALUE_NONE;
-
-#ifndef PNG_NO_WRITE_FILTER
- /* Set up filtering buffer, if using this filter */
- if (png_ptr->do_filter & PNG_FILTER_SUB)
- {
- png_ptr->sub_row = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(png_ptr->rowbytes + 1));
- png_ptr->sub_row[0] = PNG_FILTER_VALUE_SUB;
- }
-
- /* We only need to keep the previous row if we are using one of these. */
- if (png_ptr->do_filter & (PNG_FILTER_AVG | PNG_FILTER_UP | PNG_FILTER_PAETH))
- {
- /* Set up previous row buffer */
- png_ptr->prev_row = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)buf_size);
- png_memset(png_ptr->prev_row, 0, buf_size);
-
- if (png_ptr->do_filter & PNG_FILTER_UP)
- {
- png_ptr->up_row = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(png_ptr->rowbytes + 1));
- png_ptr->up_row[0] = PNG_FILTER_VALUE_UP;
- }
-
- if (png_ptr->do_filter & PNG_FILTER_AVG)
- {
- png_ptr->avg_row = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(png_ptr->rowbytes + 1));
- png_ptr->avg_row[0] = PNG_FILTER_VALUE_AVG;
- }
-
- if (png_ptr->do_filter & PNG_FILTER_PAETH)
- {
- png_ptr->paeth_row = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(png_ptr->rowbytes + 1));
- png_ptr->paeth_row[0] = PNG_FILTER_VALUE_PAETH;
- }
- }
-#endif /* PNG_NO_WRITE_FILTER */
-
-#ifdef PNG_WRITE_INTERLACING_SUPPORTED
- /* If interlaced, we need to set up width and height of pass */
- if (png_ptr->interlaced)
- {
- if (!(png_ptr->transformations & PNG_INTERLACE))
- {
- png_ptr->num_rows = (png_ptr->height + png_pass_yinc[0] - 1 -
- png_pass_ystart[0]) / png_pass_yinc[0];
- png_ptr->usr_width = (png_ptr->width + png_pass_inc[0] - 1 -
- png_pass_start[0]) / png_pass_inc[0];
- }
- else
- {
- png_ptr->num_rows = png_ptr->height;
- png_ptr->usr_width = png_ptr->width;
- }
- }
- else
-#endif
- {
- png_ptr->num_rows = png_ptr->height;
- png_ptr->usr_width = png_ptr->width;
- }
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- png_ptr->zstream.next_out = png_ptr->zbuf;
-}
-
-/* Internal use only. Called when finished processing a row of data. */
-void /* PRIVATE */
-png_write_finish_row(png_structp png_ptr)
-{
-#ifdef PNG_WRITE_INTERLACING_SUPPORTED
-#ifdef PNG_USE_LOCAL_ARRAYS
- /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
-
- /* Start of interlace block */
- int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
-
- /* Offset to next interlace block */
- int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
-
- /* Start of interlace block in the y direction */
- int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1};
-
- /* Offset to next interlace block in the y direction */
- int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
-#endif
-#endif
-
- int ret;
-
- png_debug(1, "in png_write_finish_row");
- /* Next row */
- png_ptr->row_number++;
-
- /* See if we are done */
- if (png_ptr->row_number < png_ptr->num_rows)
- return;
-
-#ifdef PNG_WRITE_INTERLACING_SUPPORTED
- /* If interlaced, go to next pass */
- if (png_ptr->interlaced)
- {
- png_ptr->row_number = 0;
- if (png_ptr->transformations & PNG_INTERLACE)
- {
- png_ptr->pass++;
- }
- else
- {
- /* Loop until we find a non-zero width or height pass */
- do
- {
- png_ptr->pass++;
- if (png_ptr->pass >= 7)
- break;
- png_ptr->usr_width = (png_ptr->width +
- png_pass_inc[png_ptr->pass] - 1 -
- png_pass_start[png_ptr->pass]) /
- png_pass_inc[png_ptr->pass];
- png_ptr->num_rows = (png_ptr->height +
- png_pass_yinc[png_ptr->pass] - 1 -
- png_pass_ystart[png_ptr->pass]) /
- png_pass_yinc[png_ptr->pass];
- if (png_ptr->transformations & PNG_INTERLACE)
- break;
- } while (png_ptr->usr_width == 0 || png_ptr->num_rows == 0);
-
- }
-
- /* Reset the row above the image for the next pass */
- if (png_ptr->pass < 7)
- {
- if (png_ptr->prev_row != NULL)
- png_memset(png_ptr->prev_row, 0,
- (png_size_t)(PNG_ROWBYTES(png_ptr->usr_channels*
- png_ptr->usr_bit_depth, png_ptr->width)) + 1);
- return;
- }
- }
-#endif
-
- /* If we get here, we've just written the last row, so we need
- to flush the compressor */
- do
- {
- /* Tell the compressor we are done */
- ret = deflate(&png_ptr->zstream, Z_FINISH);
- /* Check for an error */
- if (ret == Z_OK)
- {
- /* Check to see if we need more room */
- if (!(png_ptr->zstream.avail_out))
- {
- png_write_IDAT(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size);
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- }
- }
- else if (ret != Z_STREAM_END)
- {
- if (png_ptr->zstream.msg != NULL)
- png_error(png_ptr, png_ptr->zstream.msg);
- else
- png_error(png_ptr, "zlib error");
- }
- } while (ret != Z_STREAM_END);
-
- /* Write any extra space */
- if (png_ptr->zstream.avail_out < png_ptr->zbuf_size)
- {
- png_write_IDAT(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size -
- png_ptr->zstream.avail_out);
- }
-
- deflateReset(&png_ptr->zstream);
- png_ptr->zstream.data_type = Z_BINARY;
-}
-
-#if defined(PNG_WRITE_INTERLACING_SUPPORTED)
-/* Pick out the correct pixels for the interlace pass.
- * The basic idea here is to go through the row with a source
- * pointer and a destination pointer (sp and dp), and copy the
- * correct pixels for the pass. As the row gets compacted,
- * sp will always be >= dp, so we should never overwrite anything.
- * See the default: case for the easiest code to understand.
- */
-void /* PRIVATE */
-png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass)
-{
-#ifdef PNG_USE_LOCAL_ARRAYS
- /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
-
- /* Start of interlace block */
- int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
-
- /* Offset to next interlace block */
- int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
-#endif
-
- png_debug(1, "in png_do_write_interlace");
- /* We don't have to do anything on the last pass (6) */
-#if defined(PNG_USELESS_TESTS_SUPPORTED)
- if (row != NULL && row_info != NULL && pass < 6)
-#else
- if (pass < 6)
-#endif
- {
- /* Each pixel depth is handled separately */
- switch (row_info->pixel_depth)
- {
- case 1:
- {
- png_bytep sp;
- png_bytep dp;
- int shift;
- int d;
- int value;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- dp = row;
- d = 0;
- shift = 7;
- for (i = png_pass_start[pass]; i < row_width;
- i += png_pass_inc[pass])
- {
- sp = row + (png_size_t)(i >> 3);
- value = (int)(*sp >> (7 - (int)(i & 0x07))) & 0x01;
- d |= (value << shift);
-
- if (shift == 0)
- {
- shift = 7;
- *dp++ = (png_byte)d;
- d = 0;
- }
- else
- shift--;
-
- }
- if (shift != 7)
- *dp = (png_byte)d;
- break;
- }
- case 2:
- {
- png_bytep sp;
- png_bytep dp;
- int shift;
- int d;
- int value;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- dp = row;
- shift = 6;
- d = 0;
- for (i = png_pass_start[pass]; i < row_width;
- i += png_pass_inc[pass])
- {
- sp = row + (png_size_t)(i >> 2);
- value = (*sp >> ((3 - (int)(i & 0x03)) << 1)) & 0x03;
- d |= (value << shift);
-
- if (shift == 0)
- {
- shift = 6;
- *dp++ = (png_byte)d;
- d = 0;
- }
- else
- shift -= 2;
- }
- if (shift != 6)
- *dp = (png_byte)d;
- break;
- }
- case 4:
- {
- png_bytep sp;
- png_bytep dp;
- int shift;
- int d;
- int value;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
-
- dp = row;
- shift = 4;
- d = 0;
- for (i = png_pass_start[pass]; i < row_width;
- i += png_pass_inc[pass])
- {
- sp = row + (png_size_t)(i >> 1);
- value = (*sp >> ((1 - (int)(i & 0x01)) << 2)) & 0x0f;
- d |= (value << shift);
-
- if (shift == 0)
- {
- shift = 4;
- *dp++ = (png_byte)d;
- d = 0;
- }
- else
- shift -= 4;
- }
- if (shift != 4)
- *dp = (png_byte)d;
- break;
- }
- default:
- {
- png_bytep sp;
- png_bytep dp;
- png_uint_32 i;
- png_uint_32 row_width = row_info->width;
- png_size_t pixel_bytes;
-
- /* Start at the beginning */
- dp = row;
- /* Find out how many bytes each pixel takes up */
- pixel_bytes = (row_info->pixel_depth >> 3);
- /* Loop through the row, only looking at the pixels that
- matter */
- for (i = png_pass_start[pass]; i < row_width;
- i += png_pass_inc[pass])
- {
- /* Find out where the original pixel is */
- sp = row + (png_size_t)i * pixel_bytes;
- /* Move the pixel */
- if (dp != sp)
- png_memcpy(dp, sp, pixel_bytes);
- /* Next pixel */
- dp += pixel_bytes;
- }
- break;
- }
- }
- /* Set new row width */
- row_info->width = (row_info->width +
- png_pass_inc[pass] - 1 -
- png_pass_start[pass]) /
- png_pass_inc[pass];
- row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,
- row_info->width);
- }
-}
-#endif
-
-/* This filters the row, chooses which filter to use, if it has not already
- * been specified by the application, and then writes the row out with the
- * chosen filter.
- */
-#define PNG_MAXSUM (((png_uint_32)(-1)) >> 1)
-#define PNG_HISHIFT 10
-#define PNG_LOMASK ((png_uint_32)0xffffL)
-#define PNG_HIMASK ((png_uint_32)(~PNG_LOMASK >> PNG_HISHIFT))
-void /* PRIVATE */
-png_write_find_filter(png_structp png_ptr, png_row_infop row_info)
-{
- png_bytep best_row;
-#ifndef PNG_NO_WRITE_FILTER
- png_bytep prev_row, row_buf;
- png_uint_32 mins, bpp;
- png_byte filter_to_do = png_ptr->do_filter;
- png_uint_32 row_bytes = row_info->rowbytes;
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- int num_p_filters = (int)png_ptr->num_prev_filters;
-#endif
-
- png_debug(1, "in png_write_find_filter");
- /* Find out how many bytes offset each pixel is */
- bpp = (row_info->pixel_depth + 7) >> 3;
-
- prev_row = png_ptr->prev_row;
-#endif
- best_row = png_ptr->row_buf;
-#ifndef PNG_NO_WRITE_FILTER
- row_buf = best_row;
- mins = PNG_MAXSUM;
-
- /* The prediction method we use is to find which method provides the
- * smallest value when summing the absolute values of the distances
- * from zero, using anything >= 128 as negative numbers. This is known
- * as the "minimum sum of absolute differences" heuristic. Other
- * heuristics are the "weighted minimum sum of absolute differences"
- * (experimental and can in theory improve compression), and the "zlib
- * predictive" method (not implemented yet), which does test compressions
- * of lines using different filter methods, and then chooses the
- * (series of) filter(s) that give minimum compressed data size (VERY
- * computationally expensive).
- *
- * GRR 980525: consider also
- * (1) minimum sum of absolute differences from running average (i.e.,
- * keep running sum of non-absolute differences & count of bytes)
- * [track dispersion, too? restart average if dispersion too large?]
- * (1b) minimum sum of absolute differences from sliding average, probably
- * with window size <= deflate window (usually 32K)
- * (2) minimum sum of squared differences from zero or running average
- * (i.e., ~ root-mean-square approach)
- */
-
-
- /* We don't need to test the 'no filter' case if this is the only filter
- * that has been chosen, as it doesn't actually do anything to the data.
- */
- if ((filter_to_do & PNG_FILTER_NONE) &&
- filter_to_do != PNG_FILTER_NONE)
- {
- png_bytep rp;
- png_uint_32 sum = 0;
- png_uint_32 i;
- int v;
-
- for (i = 0, rp = row_buf + 1; i < row_bytes; i++, rp++)
- {
- v = *rp;
- sum += (v < 128) ? v : 256 - v;
- }
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- png_uint_32 sumhi, sumlo;
- int j;
- sumlo = sum & PNG_LOMASK;
- sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK; /* Gives us some footroom */
-
- /* Reduce the sum if we match any of the previous rows */
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_NONE)
- {
- sumlo = (sumlo * png_ptr->filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- sumhi = (sumhi * png_ptr->filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- /* Factor in the cost of this filter (this is here for completeness,
- * but it makes no sense to have a "cost" for the NONE filter, as
- * it has the minimum possible computational cost - none).
- */
- sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_NONE]) >>
- PNG_COST_SHIFT;
- sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_NONE]) >>
- PNG_COST_SHIFT;
-
- if (sumhi > PNG_HIMASK)
- sum = PNG_MAXSUM;
- else
- sum = (sumhi << PNG_HISHIFT) + sumlo;
- }
-#endif
- mins = sum;
- }
-
- /* Sub filter */
- if (filter_to_do == PNG_FILTER_SUB)
- /* It's the only filter so no testing is needed */
- {
- png_bytep rp, lp, dp;
- png_uint_32 i;
- for (i = 0, rp = row_buf + 1, dp = png_ptr->sub_row + 1; i < bpp;
- i++, rp++, dp++)
- {
- *dp = *rp;
- }
- for (lp = row_buf + 1; i < row_bytes;
- i++, rp++, lp++, dp++)
- {
- *dp = (png_byte)(((int)*rp - (int)*lp) & 0xff);
- }
- best_row = png_ptr->sub_row;
- }
-
- else if (filter_to_do & PNG_FILTER_SUB)
- {
- png_bytep rp, dp, lp;
- png_uint_32 sum = 0, lmins = mins;
- png_uint_32 i;
- int v;
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- /* We temporarily increase the "minimum sum" by the factor we
- * would reduce the sum of this filter, so that we can do the
- * early exit comparison without scaling the sum each time.
- */
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- int j;
- png_uint_32 lmhi, lmlo;
- lmlo = lmins & PNG_LOMASK;
- lmhi = (lmins >> PNG_HISHIFT) & PNG_HIMASK;
-
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_SUB)
- {
- lmlo = (lmlo * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- lmhi = (lmhi * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- lmlo = (lmlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >>
- PNG_COST_SHIFT;
- lmhi = (lmhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >>
- PNG_COST_SHIFT;
-
- if (lmhi > PNG_HIMASK)
- lmins = PNG_MAXSUM;
- else
- lmins = (lmhi << PNG_HISHIFT) + lmlo;
- }
-#endif
-
- for (i = 0, rp = row_buf + 1, dp = png_ptr->sub_row + 1; i < bpp;
- i++, rp++, dp++)
- {
- v = *dp = *rp;
-
- sum += (v < 128) ? v : 256 - v;
- }
- for (lp = row_buf + 1; i < row_bytes;
- i++, rp++, lp++, dp++)
- {
- v = *dp = (png_byte)(((int)*rp - (int)*lp) & 0xff);
-
- sum += (v < 128) ? v : 256 - v;
-
- if (sum > lmins) /* We are already worse, don't continue. */
- break;
- }
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- int j;
- png_uint_32 sumhi, sumlo;
- sumlo = sum & PNG_LOMASK;
- sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK;
-
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_SUB)
- {
- sumlo = (sumlo * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- sumhi = (sumhi * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- sumlo = (sumlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >>
- PNG_COST_SHIFT;
- sumhi = (sumhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >>
- PNG_COST_SHIFT;
-
- if (sumhi > PNG_HIMASK)
- sum = PNG_MAXSUM;
- else
- sum = (sumhi << PNG_HISHIFT) + sumlo;
- }
-#endif
-
- if (sum < mins)
- {
- mins = sum;
- best_row = png_ptr->sub_row;
- }
- }
-
- /* Up filter */
- if (filter_to_do == PNG_FILTER_UP)
- {
- png_bytep rp, dp, pp;
- png_uint_32 i;
-
- for (i = 0, rp = row_buf + 1, dp = png_ptr->up_row + 1,
- pp = prev_row + 1; i < row_bytes;
- i++, rp++, pp++, dp++)
- {
- *dp = (png_byte)(((int)*rp - (int)*pp) & 0xff);
- }
- best_row = png_ptr->up_row;
- }
-
- else if (filter_to_do & PNG_FILTER_UP)
- {
- png_bytep rp, dp, pp;
- png_uint_32 sum = 0, lmins = mins;
- png_uint_32 i;
- int v;
-
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- int j;
- png_uint_32 lmhi, lmlo;
- lmlo = lmins & PNG_LOMASK;
- lmhi = (lmins >> PNG_HISHIFT) & PNG_HIMASK;
-
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_UP)
- {
- lmlo = (lmlo * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- lmhi = (lmhi * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- lmlo = (lmlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_UP]) >>
- PNG_COST_SHIFT;
- lmhi = (lmhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_UP]) >>
- PNG_COST_SHIFT;
-
- if (lmhi > PNG_HIMASK)
- lmins = PNG_MAXSUM;
- else
- lmins = (lmhi << PNG_HISHIFT) + lmlo;
- }
-#endif
-
- for (i = 0, rp = row_buf + 1, dp = png_ptr->up_row + 1,
- pp = prev_row + 1; i < row_bytes; i++)
- {
- v = *dp++ = (png_byte)(((int)*rp++ - (int)*pp++) & 0xff);
-
- sum += (v < 128) ? v : 256 - v;
-
- if (sum > lmins) /* We are already worse, don't continue. */
- break;
- }
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- int j;
- png_uint_32 sumhi, sumlo;
- sumlo = sum & PNG_LOMASK;
- sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK;
-
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_UP)
- {
- sumlo = (sumlo * png_ptr->filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- sumhi = (sumhi * png_ptr->filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_UP]) >>
- PNG_COST_SHIFT;
- sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_UP]) >>
- PNG_COST_SHIFT;
-
- if (sumhi > PNG_HIMASK)
- sum = PNG_MAXSUM;
- else
- sum = (sumhi << PNG_HISHIFT) + sumlo;
- }
-#endif
-
- if (sum < mins)
- {
- mins = sum;
- best_row = png_ptr->up_row;
- }
- }
-
- /* Avg filter */
- if (filter_to_do == PNG_FILTER_AVG)
- {
- png_bytep rp, dp, pp, lp;
- png_uint_32 i;
- for (i = 0, rp = row_buf + 1, dp = png_ptr->avg_row + 1,
- pp = prev_row + 1; i < bpp; i++)
- {
- *dp++ = (png_byte)(((int)*rp++ - ((int)*pp++ / 2)) & 0xff);
- }
- for (lp = row_buf + 1; i < row_bytes; i++)
- {
- *dp++ = (png_byte)(((int)*rp++ - (((int)*pp++ + (int)*lp++) / 2))
- & 0xff);
- }
- best_row = png_ptr->avg_row;
- }
-
- else if (filter_to_do & PNG_FILTER_AVG)
- {
- png_bytep rp, dp, pp, lp;
- png_uint_32 sum = 0, lmins = mins;
- png_uint_32 i;
- int v;
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- int j;
- png_uint_32 lmhi, lmlo;
- lmlo = lmins & PNG_LOMASK;
- lmhi = (lmins >> PNG_HISHIFT) & PNG_HIMASK;
-
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_AVG)
- {
- lmlo = (lmlo * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- lmhi = (lmhi * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- lmlo = (lmlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_AVG]) >>
- PNG_COST_SHIFT;
- lmhi = (lmhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_AVG]) >>
- PNG_COST_SHIFT;
-
- if (lmhi > PNG_HIMASK)
- lmins = PNG_MAXSUM;
- else
- lmins = (lmhi << PNG_HISHIFT) + lmlo;
- }
-#endif
-
- for (i = 0, rp = row_buf + 1, dp = png_ptr->avg_row + 1,
- pp = prev_row + 1; i < bpp; i++)
- {
- v = *dp++ = (png_byte)(((int)*rp++ - ((int)*pp++ / 2)) & 0xff);
-
- sum += (v < 128) ? v : 256 - v;
- }
- for (lp = row_buf + 1; i < row_bytes; i++)
- {
- v = *dp++ =
- (png_byte)(((int)*rp++ - (((int)*pp++ + (int)*lp++) / 2)) & 0xff);
-
- sum += (v < 128) ? v : 256 - v;
-
- if (sum > lmins) /* We are already worse, don't continue. */
- break;
- }
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- int j;
- png_uint_32 sumhi, sumlo;
- sumlo = sum & PNG_LOMASK;
- sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK;
-
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_NONE)
- {
- sumlo = (sumlo * png_ptr->filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- sumhi = (sumhi * png_ptr->filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_AVG]) >>
- PNG_COST_SHIFT;
- sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_AVG]) >>
- PNG_COST_SHIFT;
-
- if (sumhi > PNG_HIMASK)
- sum = PNG_MAXSUM;
- else
- sum = (sumhi << PNG_HISHIFT) + sumlo;
- }
-#endif
-
- if (sum < mins)
- {
- mins = sum;
- best_row = png_ptr->avg_row;
- }
- }
-
- /* Paeth filter */
- if (filter_to_do == PNG_FILTER_PAETH)
- {
- png_bytep rp, dp, pp, cp, lp;
- png_uint_32 i;
- for (i = 0, rp = row_buf + 1, dp = png_ptr->paeth_row + 1,
- pp = prev_row + 1; i < bpp; i++)
- {
- *dp++ = (png_byte)(((int)*rp++ - (int)*pp++) & 0xff);
- }
-
- for (lp = row_buf + 1, cp = prev_row + 1; i < row_bytes; i++)
- {
- int a, b, c, pa, pb, pc, p;
-
- b = *pp++;
- c = *cp++;
- a = *lp++;
-
- p = b - c;
- pc = a - c;
-
-#ifdef PNG_USE_ABS
- pa = abs(p);
- pb = abs(pc);
- pc = abs(p + pc);
-#else
- pa = p < 0 ? -p : p;
- pb = pc < 0 ? -pc : pc;
- pc = (p + pc) < 0 ? -(p + pc) : p + pc;
-#endif
-
- p = (pa <= pb && pa <=pc) ? a : (pb <= pc) ? b : c;
-
- *dp++ = (png_byte)(((int)*rp++ - p) & 0xff);
- }
- best_row = png_ptr->paeth_row;
- }
-
- else if (filter_to_do & PNG_FILTER_PAETH)
- {
- png_bytep rp, dp, pp, cp, lp;
- png_uint_32 sum = 0, lmins = mins;
- png_uint_32 i;
- int v;
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- int j;
- png_uint_32 lmhi, lmlo;
- lmlo = lmins & PNG_LOMASK;
- lmhi = (lmins >> PNG_HISHIFT) & PNG_HIMASK;
-
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_PAETH)
- {
- lmlo = (lmlo * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- lmhi = (lmhi * png_ptr->inv_filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- lmlo = (lmlo * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_PAETH]) >>
- PNG_COST_SHIFT;
- lmhi = (lmhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_PAETH]) >>
- PNG_COST_SHIFT;
-
- if (lmhi > PNG_HIMASK)
- lmins = PNG_MAXSUM;
- else
- lmins = (lmhi << PNG_HISHIFT) + lmlo;
- }
-#endif
-
- for (i = 0, rp = row_buf + 1, dp = png_ptr->paeth_row + 1,
- pp = prev_row + 1; i < bpp; i++)
- {
- v = *dp++ = (png_byte)(((int)*rp++ - (int)*pp++) & 0xff);
-
- sum += (v < 128) ? v : 256 - v;
- }
-
- for (lp = row_buf + 1, cp = prev_row + 1; i < row_bytes; i++)
- {
- int a, b, c, pa, pb, pc, p;
-
- b = *pp++;
- c = *cp++;
- a = *lp++;
-
-#ifndef PNG_SLOW_PAETH
- p = b - c;
- pc = a - c;
-#ifdef PNG_USE_ABS
- pa = abs(p);
- pb = abs(pc);
- pc = abs(p + pc);
-#else
- pa = p < 0 ? -p : p;
- pb = pc < 0 ? -pc : pc;
- pc = (p + pc) < 0 ? -(p + pc) : p + pc;
-#endif
- p = (pa <= pb && pa <=pc) ? a : (pb <= pc) ? b : c;
-#else /* PNG_SLOW_PAETH */
- p = a + b - c;
- pa = abs(p - a);
- pb = abs(p - b);
- pc = abs(p - c);
- if (pa <= pb && pa <= pc)
- p = a;
- else if (pb <= pc)
- p = b;
- else
- p = c;
-#endif /* PNG_SLOW_PAETH */
-
- v = *dp++ = (png_byte)(((int)*rp++ - p) & 0xff);
-
- sum += (v < 128) ? v : 256 - v;
-
- if (sum > lmins) /* We are already worse, don't continue. */
- break;
- }
-
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED)
- {
- int j;
- png_uint_32 sumhi, sumlo;
- sumlo = sum & PNG_LOMASK;
- sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK;
-
- for (j = 0; j < num_p_filters; j++)
- {
- if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_PAETH)
- {
- sumlo = (sumlo * png_ptr->filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- sumhi = (sumhi * png_ptr->filter_weights[j]) >>
- PNG_WEIGHT_SHIFT;
- }
- }
-
- sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_PAETH]) >>
- PNG_COST_SHIFT;
- sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_PAETH]) >>
- PNG_COST_SHIFT;
-
- if (sumhi > PNG_HIMASK)
- sum = PNG_MAXSUM;
- else
- sum = (sumhi << PNG_HISHIFT) + sumlo;
- }
-#endif
-
- if (sum < mins)
- {
- best_row = png_ptr->paeth_row;
- }
- }
-#endif /* PNG_NO_WRITE_FILTER */
- /* Do the actual writing of the filtered row data from the chosen filter. */
-
- png_write_filtered_row(png_ptr, best_row);
-
-#ifndef PNG_NO_WRITE_FILTER
-#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
- /* Save the type of filter we picked this time for future calculations */
- if (png_ptr->num_prev_filters > 0)
- {
- int j;
- for (j = 1; j < num_p_filters; j++)
- {
- png_ptr->prev_filters[j] = png_ptr->prev_filters[j - 1];
- }
- png_ptr->prev_filters[j] = best_row[0];
- }
-#endif
-#endif /* PNG_NO_WRITE_FILTER */
-}
-
-
-/* Do the actual writing of a previously filtered row. */
-void /* PRIVATE */
-png_write_filtered_row(png_structp png_ptr, png_bytep filtered_row)
-{
- png_debug(1, "in png_write_filtered_row");
- png_debug1(2, "filter = %d", filtered_row[0]);
- /* Set up the zlib input buffer */
-
- png_ptr->zstream.next_in = filtered_row;
- png_ptr->zstream.avail_in = (uInt)png_ptr->row_info.rowbytes + 1;
- /* Repeat until we have compressed all the data */
- do
- {
- int ret; /* Return of zlib */
-
- /* Compress the data */
- ret = deflate(&png_ptr->zstream, Z_NO_FLUSH);
- /* Check for compression errors */
- if (ret != Z_OK)
- {
- if (png_ptr->zstream.msg != NULL)
- png_error(png_ptr, png_ptr->zstream.msg);
- else
- png_error(png_ptr, "zlib error");
- }
-
- /* See if it is time to write another IDAT */
- if (!(png_ptr->zstream.avail_out))
- {
- /* Write the IDAT and reset the zlib output buffer */
- png_write_IDAT(png_ptr, png_ptr->zbuf, png_ptr->zbuf_size);
- png_ptr->zstream.next_out = png_ptr->zbuf;
- png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
- }
- /* Repeat until all data has been compressed */
- } while (png_ptr->zstream.avail_in);
-
- /* Swap the current and previous rows */
- if (png_ptr->prev_row != NULL)
- {
- png_bytep tptr;
-
- tptr = png_ptr->prev_row;
- png_ptr->prev_row = png_ptr->row_buf;
- png_ptr->row_buf = tptr;
- }
-
- /* Finish row - updates counters and flushes zlib if last row */
- png_write_finish_row(png_ptr);
-
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
- png_ptr->flush_rows++;
-
- if (png_ptr->flush_dist > 0 &&
- png_ptr->flush_rows >= png_ptr->flush_dist)
- {
- png_write_flush(png_ptr);
- }
-#endif
-}
-#endif /* PNG_WRITE_SUPPORTED */
+++ /dev/null
-This project builds a shared library version of libpng on x86 BeOS.
-
-It defines PNG_USE_PNGGCCRD, which activates the assembly code in
-pnggccrd.c; this hasn't been extensively tested on BeOS.
-
-To install:
-
-1) build
-
- Note: As of version 1.0.10, you'll get a fair number of warnings when
- you compile pnggccrd.c. As far as I know, these are harmless,
- but it would be better if someone fixed them.
-
-2) copy and png.h, pngconf.h somewhere; /boot/home/config/include (which
- you'll have to make) is a good choice
-
-3) copy libpng.so to /boot/home/config/lib
-
-4) build your libpng.so applications (remember to include libz.a as
- well when you link)
-
-- Chris Herborth, March 27, 2001
+++ /dev/null
-This project builds a static library version of libpng on x86 BeOS.
-
-It defines PNG_USE_PNGGCCRD, which activates the assembly code in
-pnggccrd.c; this hasn't been extensively tested on BeOS.
-
-To install:
-
-1) build
-
- Note: As of version 1.0.10, you'll get a fair number of warnings when
- you compile pnggccrd.c. As far as I know, these are harmless,
- but it would be better if someone fixed them.
-
-2) copy and png.h, pngconf.h somewhere; /boot/home/config/include (which
- you'll have to make) is a good choice
-
-3) copy libpng.a to /boot/home/config/lib
-
-4) build your libpng.a applications (remember to include libz.a as
- well when you link)
-
-- Chris Herborth, March 27, 2001
+++ /dev/null
-USEUNIT("libpng.cpp");
-USEUNIT("..\..\png.c");
-USEUNIT("..\..\pngerror.c");
-USEUNIT("..\..\pngget.c");
-USEUNIT("..\..\pngmem.c");
-USEUNIT("..\..\pngpread.c");
-USEUNIT("..\..\pngread.c");
-USEUNIT("..\..\pngrio.c");
-USEUNIT("..\..\pngrtran.c");
-USEUNIT("..\..\pngrutil.c");
-USEUNIT("..\..\pngset.c");
-USEUNIT("..\..\pngtrans.c");
-USEUNIT("..\..\pngwio.c");
-USEUNIT("..\..\pngwrite.c");
-USEUNIT("..\..\pngwtran.c");
-USEUNIT("..\..\pngwutil.c");
-USELIB("..\..\..\zlib\zlib.lib");
-//---------------------------------------------------------------------------
-This file is used by the project manager only and should be treated like the project file
-
-
-DllEntryPoint
+++ /dev/null
-#------------------------------------------------------------------------------
-VERSION = BWS.01
-#------------------------------------------------------------------------------
-!ifndef ROOT
-ROOT = $(MAKEDIR)\..
-!endif
-#------------------------------------------------------------------------------
-MAKE = $(ROOT)\bin\make.exe -$(MAKEFLAGS) -f$**
-DCC = $(ROOT)\bin\dcc32.exe $**
-BRCC = $(ROOT)\bin\brcc32.exe $**
-#------------------------------------------------------------------------------
-PROJECTS = libpngstat.lib libpng.dll
-#------------------------------------------------------------------------------
-default: $(PROJECTS)
-#------------------------------------------------------------------------------
-
-libpngstat.lib: libpngstat.bpr
- $(ROOT)\bin\bpr2mak -t$(ROOT)\bin\deflib.bmk $**
- $(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak
-
-libpng.dll: libpng.bpr
- $(ROOT)\bin\bpr2mak $**
- $(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak
-
-
+++ /dev/null
-<?xml version='1.0' encoding='utf-8' ?>
-<!-- C++Builder XML Project -->
-<PROJECT>
- <MACROS>
- <VERSION value="BCB.05.03"/>
- <PROJECT value="libpng.dll"/>
- <OBJFILES value="libpng.obj ..\..\pngwutil.obj ..\..\pngerror.obj ..\..\pngget.obj
- ..\..\pngmem.obj ..\..\pngpread.obj ..\..\pngread.obj ..\..\pngrio.obj
- ..\..\pngrtran.obj ..\..\pngrutil.obj ..\..\pngset.obj ..\..\pngtrans.obj
- ..\..\pngwio.obj ..\..\pngwrite.obj ..\..\pngwtran.obj ..\..\png.obj"/>
- <RESFILES value=""/>
- <DEFFILE value=""/>
- <RESDEPEN value="$(RESFILES)"/>
- <LIBFILES value="..\..\..\zlib\zlib.lib"/>
- <LIBRARIES value="bcbsmp50.lib dclocx50.lib NMFast50.lib Tee50.lib Vclx50.lib Vcl50.lib"/>
- <SPARELIBS value="Vcl50.lib Vclx50.lib Tee50.lib NMFast50.lib dclocx50.lib bcbsmp50.lib"/>
- <PACKAGES value="Vcl50.bpi Vclx50.bpi bcbsmp50.bpi Qrpt50.bpi Vcldb50.bpi Vclbde50.bpi
- ibsmp50.bpi vcldbx50.bpi TeeUI50.bpi TeeDB50.bpi Tee50.bpi TeeQR50.bpi
- VCLIB50.bpi bcbie50.bpi vclie50.bpi Inetdb50.bpi Inet50.bpi NMFast50.bpi
- dclocx50.bpi bcb97axserver50.bpi SIMULUSCOMPONENTS.bpi Simulus2.bpi"/>
- <PATHCPP value=".;..\.."/>
- <PATHPAS value=".;"/>
- <PATHRC value=".;"/>
- <PATHASM value=".;"/>
- <DEBUGLIBPATH value="$(BCB)\lib\debug"/>
- <RELEASELIBPATH value="$(BCB)\lib\release"/>
- <LINKER value="tlink32"/>
- <USERDEFINES value="PNG_BUILD_DLL;PNG_NO_MODULEDEF"/>
- <SYSDEFINES value="NO_STRICT;_NO_VCL;_RTLDLL"/>
- <MAINSOURCE value="libpng.bpf"/>
- <INCLUDEPATH value="..\..;..\..\..\zlib;$(BCB)\include"/>
- <LIBPATH value="..\..;$(BCB)\lib\obj;$(BCB)\lib"/>
- <WARNINGS value="-w8092 -w8091 -w8090 -w8089 -w8087 -wprc -wucp -wstv -wstu -wsig -wpin
- -wnod -wnak -wdef -wcln -wbbf -wasm -wamp -wamb"/>
- </MACROS>
- <OPTIONS>
- <CFLAG1 value="-WD -O2 -w -Vx -Ve -x- -RT- -X- -a8 -5 -b- -d -k- -vi -tWD -tWM -c"/>
- <PFLAGS value="-$Y- -$L- -$D- -$C- -v -JPHNE -M"/>
- <RFLAGS value=""/>
- <AFLAGS value="/mx /w2 /zn"/>
- <LFLAGS value="-D"" -aa -Tpd -x -Gn -Gi -w"/>
- </OPTIONS>
- <LINKER>
- <ALLOBJ value="c0d32.obj $(OBJFILES)"/>
- <ALLRES value="$(RESFILES)"/>
- <ALLLIB value="$(LIBFILES) $(LIBRARIES) import32.lib cw32mti.lib"/>
- </LINKER>
- <IDEOPTIONS>
-[Version Info]
-IncludeVerInfo=0
-AutoIncBuild=0
-MajorVer=1
-MinorVer=0
-Release=0
-Build=0
-Debug=0
-PreRelease=0
-Special=0
-Private=0
-DLL=1
-Locale=2057
-CodePage=1252
-
-[Version Info Keys]
-CompanyName=
-FileDescription=
-FileVersion=1.0.0.0
-InternalName=
-LegalCopyright=
-LegalTrademarks=
-OriginalFilename=
-ProductName=
-ProductVersion=
-Comments=
-
-[HistoryLists\hlIncludePath]
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+++ /dev/null
-//---------------------------------------------------------------------------
-#include <windows.h>
-//---------------------------------------------------------------------------
-// Important note about DLL memory management when your DLL uses the
-// static version of the RunTime Library:
-//
-// If your DLL exports any functions that pass String objects (or structs/
-// classes containing nested Strings) as parameter or function results,
-// you will need to add the library MEMMGR.LIB to both the DLL project and
-// any other projects that use the DLL. You will also need to use MEMMGR.LIB
-// if any other projects which use the DLL will be performing new or delete
-// operations on any non-TObject-derived classes which are exported from the
-// DLL. Adding MEMMGR.LIB to your project will change the DLL and its calling
-// EXE's to use the BORLNDMM.DLL as their memory manager. In these cases,
-// the file BORLNDMM.DLL should be deployed along with your DLL.
-//
-// To avoid using BORLNDMM.DLL, pass string information using "char *" or
-// ShortString parameters.
-//
-// If your DLL uses the dynamic version of the RTL, you do not need to
-// explicitly add MEMMGR.LIB as this will be done implicitly for you
-//---------------------------------------------------------------------------
-
-int WINAPI DllEntryPoint(HINSTANCE, unsigned long, void*)
-{
- return 1;
-}
-//---------------------------------------------------------------------------
-
\ No newline at end of file
+++ /dev/null
-Project files to build libpng using Borland C++ Builder v5.0
-
-In order to build and use libpng, please follow these steps:
-
- 1). Install zlib in a directory at the same level with libpng.
-
- 2). In a console window, go to the zlib directory and type:
- make -f win32\Makefile.bor
- After performing this step, you should have a file named
- zlib.lib in the zlib directory.
-
- 3). Add the following conditional define to your project:
- PNG_USE_DLL
-
- 4). Add libpng.lib or libpngstat.lib to the project.
- Build the project.
-
- 5). If the build fails, add the paths to png.h and zlib.h to
- your include path, and restart the build.
-
-By default, the libpng project uses zlib as a static library. If
-you wish to use zlib as a DLL, please read the important notes from
-the zlib DLL FAQ, found inside the zlib distribution.
-
-See the libpng documentation for instructions on how to use the code.
+++ /dev/null
-USEUNIT("..\..\png.c");
-USEUNIT("..\..\pngerror.c");
-USEUNIT("..\..\pngget.c");
-USEUNIT("..\..\pngmem.c");
-USEUNIT("..\..\pngpread.c");
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-USEUNIT("..\..\pngrio.c");
-USEUNIT("..\..\pngrtran.c");
-USEUNIT("..\..\pngrutil.c");
-USEUNIT("..\..\pngset.c");
-USEUNIT("..\..\pngtrans.c");
-USEUNIT("..\..\pngwio.c");
-USEUNIT("..\..\pngwrite.c");
-USEUNIT("..\..\pngwtran.c");
-USEUNIT("..\..\pngwutil.c");
-USELIB("..\..\..\zlib\zlib.lib");
-//---------------------------------------------------------------------------
-#define Library
-
-// To add a file to the library use the Project menu 'Add to Project'.
-
-
\ No newline at end of file
+++ /dev/null
-<?xml version='1.0' encoding='utf-8' ?>
-<!-- C++Builder XML Project -->
-<PROJECT>
- <MACROS>
- <VERSION value="BCB.05.03"/>
- <PROJECT value="libpngstat.lib"/>
- <OBJFILES value="..\..\pngerror.obj ..\..\png.obj ..\..\pngwutil.obj ..\..\pngmem.obj
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- <PFLAGS value="-$Y- -$L- -$D- -$C- -v -JPHNE -M"/>
- <AFLAGS value="/mx /w2 /zn"/>
- <LFLAGS value=""/>
- </OPTIONS>
- <LINKER>
- <ALLOBJ value="$(OBJFILES)"/>
- <ALLLIB value=""/>
- </LINKER>
- <IDEOPTIONS>
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+++ /dev/null
-The project that builds libpng under Borland C++ Builder does not
-explicitly build zlib. By taking this decision, there is no need
-to update the libpng project each time when there is a change in
-the list of zlib source files. After all, this list is private to
-zlib, and applications (such as libpng) should not assume anything
-about it.
-
-If you wish to contribute a project that builds zlib under Borland
-C++ Builder, please submit it to the zlib developers, not to the
-libpng developers.
-
-By default, the libpng project uses zlib as a static library. If
-you wish to use zlib as a DLL, please read the important notes from
-the zlib DLL FAQ, found inside the zlib distribution.
+++ /dev/null
-A set of project files is available for Netware. Get
-libpng-1.2.5-project-netware.zip from a libpng distribution
-site such as http://libpng.sourceforge.net
-
-Put the zip file in this directory (projects) and then run
-"unzip -a libpng-1.2.5-project-netware.zip"
+++ /dev/null
-Microsoft Developer Studio Project File, Format Version 6.00 for libpng.
-
-Copyright (C) 2000-2004 Simon-Pierre Cadieux.
-Copyright (C) 2004 Cosmin Truta.
-For conditions of distribution and use, see copyright notice in png.h
-
-
-Assumptions:
-* The libpng source files are in ..\..
-* The zlib source files are in ..\..\..\zlib
-* The zlib project files are in ..\..\..\zlib\projects\visualc6
-
-
-To use:
-
-1) On the main menu, select "File | Open Workspace".
- Open "libpng.dsw".
-
-2) Select "Build | Set Active Configuration".
- Choose the configuration you wish to build.
- (Choose libpng or pngtest; zlib will be built automatically.)
-
-3) Select "Build | Clean".
-
-4) Select "Build | Build ... (F7)". Ignore warning messages about
- not being able to find certain include files (e.g. alloc.h).
-
-5) If you built the sample program (pngtest),
- select "Build | Execute ... (Ctrl+F5)".
-
-
-This project builds the libpng binaries as follows:
-
-* Win32_DLL_Release\libpng13.dll DLL build
-* Win32_DLL_Debug\libpng13d.dll DLL build (debug version)
-* Win32_DLL_ASM_Release\libpng13.dll DLL build using ASM code
-* Win32_DLL_ASM_Debug\libpng13d.dll DLL build using ASM (debug version)
-* Win32_DLL_VB\libpng13vb.dll DLL build for Visual Basic, using stdcall
-* Win32_LIB_Release\libpng.lib static build
-* Win32_LIB_Debug\libpngd.lib static build (debug version)
-* Win32_LIB_ASM_Release\libpng.lib static build using ASM code
-* Win32_LIB_ASM_Debug\libpngd.lib static build using ASM (debug version)
-
-
-Notes:
-
-If you change anything in the source files, or select different compiler
-settings, please change the DLL name to something different than any of
-the above names. Also, make sure that in your "pngusr.h" you define
-PNG_USER_PRIVATEBUILD and PNG_USER_DLLFNAME_POSTFIX according to the
-instructions provided in "pngconf.h".
-
-All DLLs built by this project use the Microsoft dynamic C runtime library
-MSVCRT.DLL (MSVCRTD.DLL for debug versions). If you distribute any of the
-above mentioned libraries you should also include this DLL in your package.
-For a list of files that are redistributable in Visual C++ 6.0, see
-Common\Redist\Redist.txt on Disc 1 of the Visual C++ 6.0 product CDs.
+++ /dev/null
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-# PROP Output_Dir "Win32_LIB_ASM_Debug"
-# PROP Intermediate_Dir "Win32_LIB_ASM_Debug"
-# PROP Ignore_Export_Lib 0
-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c
-# SUBTRACT BASE CPP /YX
-# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /FD /GZ /c
-# SUBTRACT CPP /YX
-# ADD BASE RSC /l 0x409 /d "_DEBUG"
-# ADD RSC /l 0x409 /d "_DEBUG"
-BSC32=bscmake.exe
-# ADD BASE BSC32 /nologo
-# ADD BSC32 /nologo
-LINK32=link.exe
-# ADD BASE LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
-# ADD LINK32 Win32_LIB_ASM_Debug\libpngd.lib ..\..\..\zlib\projects\visualc6\Win32_LIB_ASM_Debug\zlibd.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
-# Begin Special Build Tool
-OutDir=.\Win32_LIB_ASM_Debug
-SOURCE="$(InputPath)"
-PostBuild_Desc=[Run Test]
-PostBuild_Cmds=$(outdir)\pngtest.exe ..\..\pngtest.png
-# End Special Build Tool
-
-!ENDIF
-
-# Begin Target
-
-# Name "pngtest - Win32 DLL Release"
-# Name "pngtest - Win32 DLL Debug"
-# Name "pngtest - Win32 DLL ASM Release"
-# Name "pngtest - Win32 DLL ASM Debug"
-# Name "pngtest - Win32 LIB Release"
-# Name "pngtest - Win32 LIB Debug"
-# Name "pngtest - Win32 LIB ASM Release"
-# Name "pngtest - Win32 LIB ASM Debug"
-# Begin Group "Source Files"
-
-# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
-# Begin Source File
-
-SOURCE=..\..\pngtest.c
-# End Source File
-# End Group
-# End Target
-# End Project
+++ /dev/null
-# Prevent "Cannot find missing dependency..." warnings while compiling
-# pngw32.rc (PRJ0041).
-
-all: $(IntDir)\alloc.h \
- $(IntDir)\fp.h \
- $(IntDir)\m68881.h \
- $(IntDir)\mem.h \
- $(IntDir)\pngusr.h \
- $(IntDir)\strings.h \
- $(IntDir)\unistd.h \
- $(IntDir)\unixio.h
-
-$(IntDir)\alloc.h \
-$(IntDir)\fp.h \
-$(IntDir)\m68881.h \
-$(IntDir)\mem.h \
-$(IntDir)\pngusr.h \
-$(IntDir)\strings.h \
-$(IntDir)\unistd.h \
-$(IntDir)\unixio.h:
- @!echo.>$@
+++ /dev/null
-Microsoft Developer Studio Project File, Format Version 7.10 for libpng.
-
-Copyright (C) 2004 Simon-Pierre Cadieux.
-For conditions of distribution and use, see copyright notice in png.h
-
-Assumptions:
-* The libpng source files are in ..\..
-* The zlib source files are in ..\..\..\zlib
-* The zlib project file is in . /* Warning: This is until the zlib project
- files get intergrated into the next zlib release. The final zlib project
- directory will then be ..\..\..\zlib\projects\visualc71. */
-
-To use:
-
-1) On the main menu, select "File | Open Solution".
- Open "libpng.sln".
-
-2) Display the Solution Explorer view (Ctrl+Alt+L)
-
-3) Set one of the project as the StartUp project. If you just want to build the
- binaries set "libpng" as the startup project (Select "libpng" tree view
- item + Project | Set as StartUp project). If you want to build and test the
- binaries set it to "pngtest" (Select "pngtest" tree view item +
- Project | Set as StartUp project)
-
-4) Select "Build | Configuration Manager...".
- Choose the configuration you wish to build.
-
-5) Select "Build | Clean Solution".
-
-6) Select "Build | Build Solution (Ctrl-Shift-B)"
-
-This project builds the libpng binaries as follows:
-
-* Win32_DLL_Release\libpng13.dll DLL build
-* Win32_DLL_Debug\libpng13d.dll DLL build (debug version)
-* Win32_DLL_ASM_Release\libpng13.dll DLL build using ASM code
-* Win32_DLL_ASM_Debug\libpng13d.dll DLL build using ASM (debug version)
-* Win32_DLL_VB\libpng13vb.dll DLL build for Visual Basic, using stdcall
-* Win32_LIB_Release\libpng.lib static build
-* Win32_LIB_Debug\libpngd.lib static build (debug version)
-* Win32_LIB_ASM_Release\libpng.lib static build using ASM code
-* Win32_LIB_ASM_Debug\libpngd.lib static build using ASM (debug version)
-
-Notes:
-
-If you change anything in the source files, or select different compiler
-settings, please change the DLL name to something different than any of
-the above names. Also, make sure that in your "pngusr.h" you define
-PNG_USER_PRIVATEBUILD and PNG_USER_DLLFNAME_POSTFIX according to the
-instructions provided in "pngconf.h".
-
-All DLLs built by this project use the Microsoft dynamic C runtime library
-MSVCR71.DLL (MSVCR71D.DLL for debug versions). If you distribute any of the
-above mentioned libraries you may have to include this DLL in your package.
-For a list of files that are redistributable in Visual Studio see
-$(VCINSTALLDIR)\redist.txt.
+++ /dev/null
-/* WARNING: This file was put in the LibPNG distribution for convenience only.
- It is expected to be part of the next zlib release under
- "projects\visualc71\README.txt." */
-
-Microsoft Developer Studio Project File, Format Version 7.10 for zlib.
-
-Copyright (C) 2004 Simon-Pierre Cadieux.
-Copyright (C) 2004 Cosmin Truta.
-For conditions of distribution and use, see copyright notice in zlib.h.
-
-
-To use:
-
-1) On the main menu, select "File | Open Solution".
- Open "zlib.sln".
-
-2) Display the Solution Explorer view (Ctrl+Alt+L)
-
-3) Set one of the project as the StartUp project. If you just want to build the
- binaries set "zlib" as the startup project (Select "zlib" tree view item +
- Project | Set as StartUp project). If you want to build and test the
- binaries set it to "example" (Select "example" tree view item + Project |
- Set as StartUp project), If you want to build the minigzip utility set it to
- "minigzip" (Select "minigzip" tree view item + Project | Set as StartUp
- project
-
-4) Select "Build | Configuration Manager...".
- Choose the configuration you wish to build.
-
-5) Select "Build | Clean Solution".
-
-6) Select "Build | Build Solution (Ctrl-Shift-B)"
-
-This project builds the zlib binaries as follows:
-
-* Win32_DLL_Release\zlib1.dll DLL build
-* Win32_DLL_Debug\zlib1d.dll DLL build (debug version)
-* Win32_DLL_ASM_Release\zlib1.dll DLL build using ASM code
-* Win32_DLL_ASM_Debug\zlib1d.dll DLL build using ASM code (debug version)
-* Win32_LIB_Release\zlib.lib static build
-* Win32_LIB_Debug\zlibd.lib static build (debug version)
-* Win32_LIB_ASM_Release\zlib.lib static build using ASM code
-* Win32_LIB_ASM_Debug\zlibd.lib static build using ASM code (debug version)
-
+++ /dev/null
-Build started 2/18/2015 9:32:19 PM.
- 1>Project "P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\pngtest.vcxproj" on node 2 (Build target(s)).
- 1>ClCompile:
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin\CL.exe /c /I..\..\..\zlib /ZI /nologo /W3 /WX- /Od /Oy- /D WIN32 /D _DEBUG /D PNG_NO_GLOBAL_ARRAYS /Gm- /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Fo".\Win32_LIB_Debug\Test\\" /Fd".\Win32_LIB_Debug\Test\vc120.pdb" /Gd /TC /analyze- /errorReport:prompt ..\..\pngtest.c
- pngtest.c
- 1>p:\github.com\khronosgroup\gl-next\demos\libpng\pngtest.c(712): warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\stdio.h(211) : see declaration of 'fopen'
- 1>p:\github.com\khronosgroup\gl-next\demos\libpng\pngtest.c(723): warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\stdio.h(211) : see declaration of 'fopen'
- 1>p:\github.com\khronosgroup\gl-next\demos\libpng\pngtest.c(1350): warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\stdio.h(211) : see declaration of 'fopen'
- 1>p:\github.com\khronosgroup\gl-next\demos\libpng\pngtest.c(1361): warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\stdio.h(211) : see declaration of 'fopen'
- Link:
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin\link.exe /ERRORREPORT:PROMPT /OUT:".\Win32_LIB_Debug\Test\pngtest.exe" /NOLOGO kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /MANIFEST /MANIFESTUAC:"level='asInvoker' uiAccess='false'" /manifest:embed /DEBUG /PDB:".\Win32_LIB_Debug\Test\pngtest.pdb" /SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT /IMPLIB:".\Win32_LIB_Debug\Test\pngtest.lib" /MACHINE:X86 /SAFESEH .\Win32_LIB_Debug\Test\pngtest.obj
- "P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\Win32_LIB_Debug\ZLib\zlibd.lib"
- "P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\Win32_LIB_Debug\libpngd.lib"
- 1>pngtest.obj : warning LNK4075: ignoring '/EDITANDCONTINUE' due to '/SAFESEH' specification
- pngtest.vcxproj -> P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\.\Win32_LIB_Debug\Test\pngtest.exe
- 1>Done Building Project "P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\pngtest.vcxproj" (Build target(s)).
-
-Build succeeded.
-
-Time Elapsed 00:00:00.39
+++ /dev/null
-#TargetFrameworkVersion=v4.0:PlatformToolSet=v120:EnableManagedIncrementalBuild=false:VCToolArchitecture=Native32Bit
-LIB Debug|Win32|P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\|
+++ /dev/null
-Build started 2/18/2015 9:32:17 PM.
- 1>Project "P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\zlib.vcxproj" on node 2 (Build target(s)).
- 1>ClCompile:
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin\CL.exe /c /I..\..\..\zlib /ZI /nologo /W3 /WX- /Od /Oy- /D WIN32 /D _DEBUG /Gm- /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Fo".\Win32_LIB_Debug\ZLib\\" /Fd".\Win32_LIB_Debug\ZLib\vc120.pdb" /Gd /TC /analyze- /errorReport:prompt ..\..\..\zlib\adler32.c ..\..\..\zlib\compress.c ..\..\..\zlib\crc32.c ..\..\..\zlib\deflate.c ..\..\..\zlib\gzio.c ..\..\..\zlib\infback.c ..\..\..\zlib\inffast.c ..\..\..\zlib\inflate.c ..\..\..\zlib\inftrees.c ..\..\..\zlib\trees.c ..\..\..\zlib\uncompr.c ..\..\..\zlib\zutil.c
- adler32.c
- compress.c
- crc32.c
- deflate.c
- gzio.c
- 1>p:\github.com\khronosgroup\gl-next\demos\zlib\gzio.c(131): warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\string.h(112) : see declaration of 'strcpy'
- 1>p:\github.com\khronosgroup\gl-next\demos\zlib\gzio.c(181): warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\stdio.h(211) : see declaration of 'fopen'
- 1>p:\github.com\khronosgroup\gl-next\demos\zlib\gzio.c(226): warning C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\stdio.h(356) : see declaration of 'sprintf'
- 1>p:\github.com\khronosgroup\gl-next\demos\zlib\gzio.c(627): warning C4996: '_vsnprintf': This function or variable may be unsafe. Consider using _vsnprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\stdio.h(346) : see declaration of '_vsnprintf'
- 1>p:\github.com\khronosgroup\gl-next\demos\zlib\gzio.c(1001): warning C4996: 'strerror': This function or variable may be unsafe. Consider using strerror_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\string.h(168) : see declaration of 'strerror'
- 1>p:\github.com\khronosgroup\gl-next\demos\zlib\gzio.c(1008): warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\string.h(112) : see declaration of 'strcpy'
- 1>p:\github.com\khronosgroup\gl-next\demos\zlib\gzio.c(1009): warning C4996: 'strcat': This function or variable may be unsafe. Consider using strcat_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\string.h(118) : see declaration of 'strcat'
- 1>p:\github.com\khronosgroup\gl-next\demos\zlib\gzio.c(1010): warning C4996: 'strcat': This function or variable may be unsafe. Consider using strcat_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
- c:\program files (x86)\microsoft visual studio 12.0\vc\include\string.h(118) : see declaration of 'strcat'
- infback.c
- inffast.c
- inflate.c
- inftrees.c
- trees.c
- uncompr.c
- zutil.c
- Generating Code...
- 1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppBuild.targets(1361,5): warning MSB8012: TargetPath(P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\.\Win32_LIB_Debug\ZLib\zlib.lib) does not match the Library's OutputFile property value (P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\Win32_LIB_Debug\ZLib\zlibd.lib). This may cause your project to build incorrectly. To correct this, please make sure that $(OutDir), $(TargetName) and $(TargetExt) property values match the value specified in %(Lib.OutputFile).
- 1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppBuild.targets(1363,5): warning MSB8012: TargetName(zlib) does not match the Library's OutputFile property value (zlibd). This may cause your project to build incorrectly. To correct this, please make sure that $(OutDir), $(TargetName) and $(TargetExt) property values match the value specified in %(Lib.OutputFile).
- Lib:
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin\Lib.exe /OUT:".\Win32_LIB_Debug\ZLib\zlibd.lib" /NOLOGO .\Win32_LIB_Debug\ZLib\adler32.obj
- .\Win32_LIB_Debug\ZLib\compress.obj
- .\Win32_LIB_Debug\ZLib\crc32.obj
- .\Win32_LIB_Debug\ZLib\deflate.obj
- .\Win32_LIB_Debug\ZLib\gzio.obj
- .\Win32_LIB_Debug\ZLib\infback.obj
- .\Win32_LIB_Debug\ZLib\inffast.obj
- .\Win32_LIB_Debug\ZLib\inflate.obj
- .\Win32_LIB_Debug\ZLib\inftrees.obj
- .\Win32_LIB_Debug\ZLib\trees.obj
- .\Win32_LIB_Debug\ZLib\uncompr.obj
- .\Win32_LIB_Debug\ZLib\zutil.obj
- zlib.vcxproj -> P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\.\Win32_LIB_Debug\ZLib\zlib.lib
- 1>Done Building Project "P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\zlib.vcxproj" (Build target(s)).
-
-Build succeeded.
-
-Time Elapsed 00:00:00.61
+++ /dev/null
-#TargetFrameworkVersion=v4.0:PlatformToolSet=v120:EnableManagedIncrementalBuild=false:VCToolArchitecture=Native32Bit
-LIB Debug|Win32|P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\|
+++ /dev/null
-Build started 2/18/2015 9:32:18 PM.
- 1>Project "P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\libpng.vcxproj" on node 2 (Build target(s)).
- 1>ClCompile:
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin\CL.exe /c /I..\.. /I..\..\..\zlib /ZI /nologo /W3 /WX- /Od /Oy- /D WIN32 /D _DEBUG /D DEBUG /D PNG_NO_MMX_CODE /D PNG_DEBUG=1 /D _CRT_SECURE_NO_WARNINGS /Gm- /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Yc"png.h" /Fp".\Win32_LIB_Debug\libpng.pch" /Fo".\Win32_LIB_Debug\\" /Fd".\Win32_LIB_Debug\vc120.pdb" /Gd /TC /analyze- /errorReport:prompt ..\..\pngerror.c
- pngerror.c
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin\CL.exe /c /I..\.. /I..\..\..\zlib /ZI /nologo /W3 /WX- /Od /Oy- /D WIN32 /D _DEBUG /D DEBUG /D PNG_NO_MMX_CODE /D PNG_DEBUG=1 /D _CRT_SECURE_NO_WARNINGS /Gm- /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Fo".\Win32_LIB_Debug\\" /Fd".\Win32_LIB_Debug\vc120.pdb" /Gd /TC /analyze- /errorReport:prompt ..\..\png.c
- png.c
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin\CL.exe /c /I..\.. /I..\..\..\zlib /ZI /nologo /W3 /WX- /Od /Oy- /D WIN32 /D _DEBUG /D DEBUG /D PNG_NO_MMX_CODE /D PNG_DEBUG=1 /D _CRT_SECURE_NO_WARNINGS /Gm- /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Yu"png.h" /Fp".\Win32_LIB_Debug\libpng.pch" /Fo".\Win32_LIB_Debug\\" /Fd".\Win32_LIB_Debug\vc120.pdb" /Gd /TC /analyze- /errorReport:prompt ..\..\pngget.c ..\..\pngmem.c ..\..\pngpread.c ..\..\pngread.c ..\..\pngrio.c ..\..\pngrtran.c ..\..\pngrutil.c ..\..\pngset.c ..\..\pngtrans.c ..\..\pngwio.c ..\..\pngwrite.c ..\..\pngwtran.c ..\..\pngwutil.c
- pngget.c
- pngmem.c
- pngpread.c
- pngread.c
- pngrio.c
- pngrtran.c
- pngrutil.c
- pngset.c
- pngtrans.c
- pngwio.c
- pngwrite.c
- pngwtran.c
- pngwutil.c
- Generating Code...
- 1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppBuild.targets(1361,5): warning MSB8012: TargetPath(P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\.\Win32_LIB_Debug\libpng.lib) does not match the Library's OutputFile property value (P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\Win32_LIB_Debug\libpngd.lib). This may cause your project to build incorrectly. To correct this, please make sure that $(OutDir), $(TargetName) and $(TargetExt) property values match the value specified in %(Lib.OutputFile).
- 1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppBuild.targets(1363,5): warning MSB8012: TargetName(libpng) does not match the Library's OutputFile property value (libpngd). This may cause your project to build incorrectly. To correct this, please make sure that $(OutDir), $(TargetName) and $(TargetExt) property values match the value specified in %(Lib.OutputFile).
- Lib:
- C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin\Lib.exe /OUT:".\Win32_LIB_Debug\libpngd.lib" /NOLOGO .\Win32_LIB_Debug\png.obj
- .\Win32_LIB_Debug\pngerror.obj
- .\Win32_LIB_Debug\pngget.obj
- .\Win32_LIB_Debug\pngmem.obj
- .\Win32_LIB_Debug\pngpread.obj
- .\Win32_LIB_Debug\pngread.obj
- .\Win32_LIB_Debug\pngrio.obj
- .\Win32_LIB_Debug\pngrtran.obj
- .\Win32_LIB_Debug\pngrutil.obj
- .\Win32_LIB_Debug\pngset.obj
- .\Win32_LIB_Debug\pngtrans.obj
- .\Win32_LIB_Debug\pngwio.obj
- .\Win32_LIB_Debug\pngwrite.obj
- .\Win32_LIB_Debug\pngwtran.obj
- .\Win32_LIB_Debug\pngwutil.obj
- libpng.vcxproj -> P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\.\Win32_LIB_Debug\libpng.lib
- 1>Done Building Project "P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\libpng.vcxproj" (Build target(s)).
-
-Build succeeded.
-
-Time Elapsed 00:00:00.78
+++ /dev/null
-#TargetFrameworkVersion=v4.0:PlatformToolSet=v120:EnableManagedIncrementalBuild=false:VCToolArchitecture=Native32Bit
-LIB Debug|Win32|P:\github.com\KhronosGroup\GL-Next\demos\libpng\projects\visualc71\|
+++ /dev/null
-A set of project files is available for WinCE. Get
-libpng-1.2.5-project-wince.zip from a libpng distribution
-site such as http://libpng.sourceforge.net
-
-Put the zip file in this directory (projects) and then run
-"unzip -a libpng-1.2.5-project-wince.zip"
+++ /dev/null
-
-project(PNG)
-
-# Copyright (C) 2007 Glenn Randers-Pehrson
-# For conditions of distribution and use, see copyright notice in png.h
-
-set(PNGLIB_MAJOR 1)
-set(PNGLIB_MINOR 2)
-set(PNGLIB_RELEASE 37)
-set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
-set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
-
-# needed packages
-find_package(ZLIB REQUIRED)
-if(NOT WIN32)
- find_library(M_LIBRARY
- NAMES m
- PATHS /usr/lib /usr/local/lib
- )
- if(NOT M_LIBRARY)
- message(STATUS
- "math library 'libm' not found - floating point support disabled")
- endif(NOT M_LIBRARY)
-else(NOT WIN32)
- # not needed on windows
- set(M_LIBRARY "")
-endif(NOT WIN32)
-
-
-# COMMAND LINE OPTIONS
-option(PNG_SHARED "Build shared lib" YES)
-option(PNG_STATIC "Build static lib" YES)
-if(MINGW)
- option(PNG_TESTS "Build pngtest" NO)
-else(MINGW)
- option(PNG_TESTS "Build pngtest" YES)
-endif(MINGW)
-option(PNG_NO_CONSOLE_IO "FIXME" YES)
-option(PNG_NO_STDIO "FIXME" YES)
-option(PNG_DEBUG "Build with debug output" YES)
-option(PNGARG "FIXME" YES)
-#TODO:
-# PNG_CONSOLE_IO_SUPPORTED
-
-# maybe needs improving, but currently I don't know when we can enable what :)
-set(png_asm_tmp "OFF")
-if(NOT WIN32)
- find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
- if(uname_executable)
- EXEC_PROGRAM(${uname_executable} ARGS --machine OUTPUT_VARIABLE uname_output)
- if("uname_output" MATCHES "^.*i[1-9]86.*$")
- set(png_asm_tmp "ON")
- else("uname_output" MATCHES "^.*i[1-9]86.*$")
- set(png_asm_tmp "OFF")
- endif("uname_output" MATCHES "^.*i[1-9]86.*$")
- endif(uname_executable)
-else(NOT WIN32)
- # this env var is normally only set on win64
- SET(TEXT "ProgramFiles(x86)")
- if("$ENV{${TEXT}}" STREQUAL "")
- set(png_asm_tmp "ON")
- endif("$ENV{${TEXT}}" STREQUAL "")
-endif(NOT WIN32)
-
-# SET LIBNAME
-# msvc does not append 'lib' - do it here to have consistent name
-if(MSVC)
- set(PNG_LIB_NAME lib)
-endif(MSVC)
-set(PNG_LIB_NAME ${PNG_LIB_NAME}png${PNGLIB_MAJOR}${PNGLIB_MINOR})
-
-# to distinguish between debug and release lib
-set(CMAKE_DEBUG_POSTFIX "d")
-
-
-# OUR SOURCES
-set(libpng_sources
- png.h
- pngconf.h
- png.c
- pngerror.c
- pngget.c
- pngmem.c
- pngpread.c
- pngread.c
- pngrio.c
- pngrtran.c
- pngrutil.c
- pngset.c
- pngtrans.c
- pngwio.c
- pngwrite.c
- pngwtran.c
- pngwutil.c
-)
-set(pngtest_sources
- pngtest.c
-)
-# SOME NEEDED DEFINITIONS
-if(MSVC)
- add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
-endif(MSVC)
-
-add_definitions(-DZLIB_DLL)
-
-add_definitions(-DLIBPNG_NO_MMX)
-add_definitions(-DPNG_NO_MMX_CODE)
-
-if(PNG_CONSOLE_IO_SUPPORTED)
- add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
-endif(PNG_CONSOLE_IO_SUPPORTED)
-
-if(PNG_NO_CONSOLE_IO)
- add_definitions(-DPNG_NO_CONSOLE_IO)
-endif(PNG_NO_CONSOLE_IO)
-
-if(PNG_NO_STDIO)
- add_definitions(-DPNG_NO_STDIO)
-endif(PNG_NO_STDIO)
-
-if(PNG_DEBUG)
- add_definitions(-DPNG_DEBUG)
-endif(PNG_DEBUG)
-
-if(NOT M_LIBRARY AND NOT WIN32)
- add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
-endif(NOT M_LIBRARY AND NOT WIN32)
-
-# NOW BUILD OUR TARGET
-include_directories(${PNG_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
-
-if(PNG_SHARED)
- add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
- target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
-endif(PNG_SHARED)
-if(PNG_STATIC)
-# does not work without changing name
- set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
- add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
-endif(PNG_STATIC)
-
-if(PNG_SHARED AND WIN32)
- set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
-endif(PNG_SHARED AND WIN32)
-
-if(PNG_TESTS)
-# does not work with msvc due to png_lib_ver issue
- add_executable(pngtest ${pngtest_sources})
- target_link_libraries(pngtest ${PNG_LIB_NAME})
-# add_test(pngtest ${PNG_SOURCE_DIR}/pngtest.png)
-endif(PNG_TESTS)
-
-
-# CREATE PKGCONFIG FILES
-# we use the same files like ./configure, so we have to set its vars
-set(prefix ${CMAKE_INSTALL_PREFIX})
-set(exec_prefix ${CMAKE_INSTALL_PREFIX})
-set(libdir ${CMAKE_INSTALL_PREFIX}/lib)
-set(includedir ${CMAKE_INSTALL_PREFIX}/include)
-
-configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in
- ${PNG_BINARY_DIR}/libpng.pc)
-configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
- ${PNG_BINARY_DIR}/libpng-config)
-configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in
- ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc)
-configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
- ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config)
-
-# SET UP LINKS
-set_target_properties(${PNG_LIB_NAME} PROPERTIES
-# VERSION 0.${PNGLIB_RELEASE}.1.2.37
- VERSION 0.${PNGLIB_RELEASE}.0
- SOVERSION 0
- CLEAN_DIRECT_OUTPUT 1)
-if(NOT WIN32)
- # that's uncool on win32 - it overwrites our static import lib...
- set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
- OUTPUT_NAME ${PNG_LIB_NAME}
- CLEAN_DIRECT_OUTPUT 1)
-endif(NOT WIN32)
-# INSTALL
-install_targets(/lib ${PNG_LIB_NAME})
-if(PNG_STATIC)
- install_targets(/lib ${PNG_LIB_NAME_STATIC})
-endif(PNG_STATIC)
-install(FILES png.h pngconf.h DESTINATION include)
-install(FILES png.h pngconf.h DESTINATION include/${PNGLIB_NAME})
-install(FILES libpng.3 libpngpf.3 DESTINATION man/man3)
-install(FILES png.5 DESTINATION man/man5)
-install(FILES ${PNG_BINARY_DIR}/libpng.pc DESTINATION lib/pkgconfig)
-install(FILES ${PNG_BINARY_DIR}/libpng-config DESTINATION bin)
-install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc DESTINATION lib/pkgconfig)
-install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin)
-
-# what's with libpng.txt and all the extra files?
-
-
-# UNINSTALL
-# do we need this?
-
-
-# DIST
-# do we need this?
-
-# to create msvc import lib for mingw compiled shared lib
-# pexports libpng.dll > libpng.def
-# lib /def:libpng.def /machine:x86
-
+++ /dev/null
-OPTIMIZE
-OPTPEEP
-OPTTIME
-OPTSCHED
-AUTOREGISTER
-PARMS=REGISTERS
-INCLUDEDIR=hlp:ppc/include
+++ /dev/null
-
-cc_defs = /inc=$(ZLIBSRC)
-c_deb =
-
-.ifdef __DECC__
-pref = /prefix=all
-.endif
-
-
-
-OBJS = png.obj, pngset.obj, pngget.obj, pngrutil.obj, pngtrans.obj,\
- pngwutil.obj, pngread.obj, pngmem.obj, pngwrite.obj, pngrtran.obj,\
- pngwtran.obj, pngrio.obj, pngwio.obj, pngerror.obj, pngpread.obj
-
-
-CFLAGS= $(C_DEB) $(CC_DEFS) $(PREF)
-
-all : pngtest.exe libpng.olb
- @ write sys$output " pngtest available"
-
-libpng.olb : libpng.olb($(OBJS))
- @ write sys$output " Libpng available"
-
-
-pngtest.exe : pngtest.obj libpng.olb
- link pngtest,libpng.olb/lib,$(ZLIBSRC)libz.olb/lib
-
-test : pngtest.exe
- run pngtest
-
-clean :
- delete *.obj;*,*.exe;
-
-
-# Other dependencies.
-png.obj : png.h, pngconf.h
-pngpread.obj : png.h, pngconf.h
-pngset.obj : png.h, pngconf.h
-pngget.obj : png.h, pngconf.h
-pngread.obj : png.h, pngconf.h
-pngrtran.obj : png.h, pngconf.h
-pngrutil.obj : png.h, pngconf.h
-pngerror.obj : png.h, pngconf.h
-pngmem.obj : png.h, pngconf.h
-pngrio.obj : png.h, pngconf.h
-pngwio.obj : png.h, pngconf.h
-pngtrans.obj : png.h, pngconf.h
-pngwrite.obj : png.h, pngconf.h
-pngwtran.obj : png.h, pngconf.h
-pngwutil.obj : png.h, pngconf.h
-
-pngtest.obj : png.h, pngconf.h
+++ /dev/null
-
-usage()
-{
- cat <<EOF
-Usage: libpng-config [OPTION] ...
-
-Known values for OPTION are:
-
- --prefix print libpng prefix
- --libdir print path to directory containing library
- --libs print library linking information
- --ccopts print compiler options
- --cppflags print pre-processor flags
- --cflags print preprocessor flags, I_opts, and compiler options
- --I_opts print "-I" include options
- --L_opts print linker "-L" flags for dynamic linking
- --R_opts print dynamic linker "-R" or "-rpath" flags
- --ldopts print linker options
- --ldflags print linker flags (ldopts, L_opts, R_opts, and libs)
- --static revise subsequent outputs for static linking
- --help print this help and exit
- --version print version information
-EOF
-
- exit $1
-}
-
-if test $# -eq 0; then
- usage 1
-fi
-
-while test $# -gt 0; do
- case "$1" in
-
- --prefix)
- echo ${prefix}
- ;;
-
- --version)
- echo ${version}
- exit 0
- ;;
-
- --help)
- usage 0
- ;;
-
- --ccopts)
- echo ${ccopts}
- ;;
-
- --cppflags)
- echo ${cppflags}
- ;;
-
- --cflags)
- echo ${I_opts} ${cppflags} ${ccopts}
- ;;
-
- --libdir)
- echo ${libdir}
- ;;
-
- --libs)
- echo ${libs}
- ;;
-
- --I_opts)
- echo ${I_opts}
- ;;
-
- --L_opts)
- echo ${L_opts}
- ;;
-
- --R_opts)
- echo ${R_opts}
- ;;
-
- --ldopts)
- echo ${ldopts}
- ;;
-+
- --ldflags)
- echo ${ldopts} ${L_opts} ${R_opts} ${libs}
- ;;
-
- --static)
- R_opts=""
- ;;
-
- *)
- usage
- exit 1
- ;;
- esac
- shift
-done
-
-exit 0
+++ /dev/null
-#! /bin/sh
-
-# libpng-config
-# provides configuration info for libpng.
-
-# Copyright (C) 2002 Glenn Randers-Pehrson
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Modeled after libxml-config.
-
-version=1.2.37
-prefix=""
-libdir=""
-libs=""
-I_opts=""
-L_opts=""
-R_opts=""
-cppflags=""
-ccopts=""
-ldopts=""
-
+++ /dev/null
-#! /bin/sh
-
-# libpng-config
-# provides configuration info for libpng.
-
-# Copyright (C) 2002, 2004, 2006, 2007 Glenn Randers-Pehrson
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Modeled after libxml-config.
-
-version="@PNGLIB_VERSION@"
-prefix="@prefix@"
-exec_prefix="@exec_prefix@"
-libdir="@libdir@"
-includedir="@includedir@/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@"
-libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@"
-all_libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ -lz
-I_opts="-I${includedir}"
-L_opts="-L${libdir}"
-R_opts=""
-cppflags=""
-ccopts="@LIBPNG_NO_MMX@"
-ldopts=""
-
-usage()
-{
- cat <<EOF
-Usage: $0 [OPTION] ...
-
-Known values for OPTION are:
-
- --prefix print libpng prefix
- --libdir print path to directory containing library
- --libs print library linking information
- --ccopts print compiler options
- --cppflags print pre-processor flags
- --cflags print preprocessor flags, I_opts, and compiler options
- --I_opts print "-I" include options
- --L_opts print linker "-L" flags for dynamic linking
- --R_opts print dynamic linker "-R" or "-rpath" flags
- --ldopts print linker options
- --ldflags print linker flags (ldopts, L_opts, R_opts, and libs)
- --static revise subsequent outputs for static linking
- --help print this help and exit
- --version print version information
-EOF
-
- exit $1
-}
-
-if test $# -eq 0; then
- usage 1
-fi
-
-while test $# -gt 0; do
- case "$1" in
-
- --prefix)
- echo ${prefix}
- ;;
-
- --version)
- echo ${version}
- exit 0
- ;;
-
- --help)
- usage 0
- ;;
-
- --ccopts)
- echo ${ccopts}
- ;;
-
- --cppflags)
- echo ${cppflags}
- ;;
-
- --cflags)
- echo ${I_opts} ${cppflags} ${ccopts}
- ;;
-
- --libdir)
- echo ${libdir}
- ;;
-
- --libs)
- echo ${libs}
- ;;
-
- --I_opts)
- echo ${I_opts}
- ;;
-
- --L_opts)
- echo ${L_opts}
- ;;
-
- --R_opts)
- echo ${R_opts}
- ;;
-
- --ldopts)
- echo ${ldopts}
- ;;
-
- --ldflags)
- echo ${ldopts} ${L_opts} ${R_opts} ${libs}
- ;;
-
- --static)
- R_opts=""
- libs=${all_libs}
- ;;
-
- *)
- usage
- exit 1
- ;;
- esac
- shift
-done
-
-exit 0
+++ /dev/null
-// Project file for libpng (static)
-// IBM VisualAge/C++ version 4.0 or later
-// Copyright (C) 2000 Cosmin Truta
-// For conditions of distribution and use, see copyright notice in png.h
-// Notes:
-// All modules are compiled in C mode
-// Tested with IBM VAC++ 4.0 under Win32
-// Expected to work with IBM VAC++ 4.0 or later under OS/2 and Win32
-// Can be easily adapted for IBM VAC++ 4.0 or later under AIX
-// For conditions of distribution and use, see copyright notice in png.h
-
-option incl(searchpath, "../zlib"), opt(level, "2"),
- link(libsearchpath, "../zlib")
-{
- target type(lib) "libpng.lib"
- {
- source type(c) "png.c"
- source type(c) "pngerror.c"
- source type(c) "pngget.c"
- source type(c) "pngmem.c"
- source type(c) "pngpread.c"
- source type(c) "pngread.c"
- source type(c) "pngrio.c"
- source type(c) "pngrtran.c"
- source type(c) "pngrutil.c"
- source type(c) "pngset.c"
- source type(c) "pngtrans.c"
- source type(c) "pngwio.c"
- source type(c) "pngwrite.c"
- source type(c) "pngwtran.c"
- source type(c) "pngwutil.c"
- }
-}
-
-option incl(searchpath, "../zlib"), opt(level, "2"),
- link(libsearchpath, "../zlib")
-{
- target type(exe) "pngtest.exe"
- {
- source type(c) "pngtest.c"
- source type(lib) "libpng.lib"
- source type(lib) "zlib.lib"
- }
-}
+++ /dev/null
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
-
-Name: libpng
-Description: Loads and saves PNG files
-Version: @PNGLIB_VERSION@
-Libs: -L${libdir} -lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
-Libs.private: @LIBS@
-Cflags: -I${includedir} @LIBPNG_NO_MMX@
+++ /dev/null
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@/libpng12
-
-Name: libpng
-Description: Loads and saves PNG files
-Version: 1.2.37
-Libs: -L${libdir} -lpng12 -lz
-Cflags: -I${includedir}
+++ /dev/null
-# makefile for libpng on Solaris 2.x with cc
-# Contributed by William L. Sebok, based on makefile.linux
-# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
-# Copyright (C) 1998 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME=libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-CC=cc
-AR_RC=ar rc
-MKDIR_P=mkdir -p
-LN_SF=ln -f -s
-RANLIB=echo
-RM_F=/bin/rm -f
-
-SUN_CC_FLAGS=-fast -xtarget=ultra
-SUN_LD_FLAGS=-fast -xtarget=ultra
-
-# where make install puts libpng.a, libpng12.so and libpng12/png.h
-prefix=/a
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-# Changing these to ../zlib poses a security risk. If you want
-# to have zlib in an adjacent directory, specify the full path instead of "..".
-#ZLIBLIB=../zlib
-#ZLIBINC=../zlib
-
-ZLIBLIB=/usr/lib
-ZLIBINC=/usr/include
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
- # $(WARNMORE) -g -DPNG_DEBUG=5
-LDFLAGS=$(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) libpng.a -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo libdir=\"$(LIBPATH)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-R$(LIBPATH)\"; \
- echo ccopts=\"-xtarget=ultra\"; \
- echo ldopts=\"-xtarget=ultra\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- @case "`type ld`" in *ucb*) \
- echo; \
- echo '## WARNING:'; \
- echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
- echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
- echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
- echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
- echo '## at all. If it is, things are likely to break because of'; \
- echo '## the libucb dependency that is created.'; \
- echo; \
- ;; \
- esac
- $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBSOMAJ) \
- -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(OLDSOMAJ) \
- -o $(OLDSOVER) $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOMAJ).$(PNGVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) $(SUN_CC_FLAGS) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtestd -L$(DL) -R$(DL) `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB)
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) $(SUN_CC_FLAGS) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB)
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng on Solaris 2.x with cc
-# Contributed by William L. Sebok, based on makefile.linux
-# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
-# Copyright (C) 1998 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME=libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-CC=cc
-AR_RC=ar rc
-MKDIR_P=mkdir -p
-LN_SF=ln -f -s
-RANLIB=echo
-RM_F=/bin/rm -f
-
-SUN_CC_FLAGS=-fast -xtarget=ultra -xarch=v9
-SUN_LD_FLAGS=-fast -xtarget=ultra -xarch=v9
-
-# where make install puts libpng.a, libpng12.so and libpng12/png.h
-prefix=/a
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-# Changing these to ../zlib poses a security risk. If you want
-# to have zlib in an adjacent directory, specify the full path instead of "..".
-#ZLIBLIB=../zlib
-#ZLIBINC=../zlib
-
-ZLIBLIB=/usr/lib
-ZLIBINC=/usr/include
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
- # $(WARNMORE) -g -DPNG_DEBUG=5
-LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo libdir=\"$(LIBPATH)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-R$(LIBPATH)\"; \
- echo ccopts=\"-xtarget=ultra -xarch=v9\"; \
- echo ldopts=\"-xtarget=ultra -xarch=v9\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- @case "`type ld`" in *ucb*) \
- echo; \
- echo '## WARNING:'; \
- echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
- echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
- echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
- echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
- echo '## at all. If it is, things are likely to break because of'; \
- echo '## the libucb dependency that is created.'; \
- echo; \
- ;; \
- esac
- $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBSOMAJ) \
- -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(OLDSOMAJ) \
- -o $(OLDSOVER) $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOMAJ).$(PNGVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) $(SUN_CC_FLAGS) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtestd -L$(DL) -R$(DL) `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB)
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) $(SUN_CC_FLAGS) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB)
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# Project: libpng
-
-
-# Toolflags:
-CCflags = -c -depend !Depend -IC:,Zlib: -g -throwback -DRISCOS -fnah
-C++flags = -c -depend !Depend -IC: -throwback
-Linkflags = -aif -c++ -o $@
-ObjAsmflags = -throwback -NoCache -depend !Depend
-CMHGflags =
-LibFileflags = -c -l -o $@
-Squeezeflags = -o $@
-
-# Final targets:
-@.libpng-lib: @.o.png @.o.pngerror @.o.pngrio @.o.pngwio @.o.pngmem \
- @.o.pngpread @.o.pngset @.o.pngget @.o.pngread @.o.pngrtran \
- @.o.pngrutil @.o.pngtrans @.o.pngwrite @.o.pngwtran @.o.pngwutil
- LibFile $(LibFileflags) @.o.png @.o.pngerror @.o.pngrio @.o.pngrtran \
- @.o.pngmem @.o.pngpread @.o.pngset @.o.pngget @.o.pngread @.o.pngwio \
- @.o.pngrutil @.o.pngtrans @.o.pngwrite @.o.pngwtran @.o.pngwutil
-@.mm-libpng-lib: @.mm.png @.mm.pngerror @.mm.pngrio @.mm.pngwio @.mm.pngmem \
- @.mm.pngpread @.mm.pngset @.mm.pngget @.mm.pngread @.mm.pngrtran \
- @.mm.pngrutil @.mm.pngtrans @.mm.pngwrite @.mm.pngwtran @.mm.pngwutil
- LibFile $(LibFileflags) @.mm.png @.mm.pngerror @.mm.pngrio \
- @.mm.pngwio @.mm.pngmem @.mm.pngpread @.mm.pngset @.mm.pngget \
- @.mm.pngread @.mm.pngrtran @.mm.pngrutil @.mm.pngtrans @.mm.pngwrite \
- @.mm.pngwtran @.mm.pngwutil
-
-
-# User-editable dependencies:
-# (C) Copyright 1997 Tom Tanner
-Test: @.pngtest
- <Prefix$Dir>.pngtest
- @remove <Prefix$Dir>.pngtest
-
-#It would be nice if you could stop "make" listing from here on!
-@.pngtest: @.o.pngtest @.libpng-lib C:o.Stubs Zlib:zlib_lib
- Link $(Linkflags) @.o.pngtest @.libpng-lib C:o.Stubs Zlib:zlib_lib
-
-.SUFFIXES: .o .mm .c
-
-.c.mm:
- MemCheck.CC cc $(ccflags) -o $@ LibPng:$<
-.c.o:
- cc $(ccflags) -o $@ $<
-
-
-# Static dependencies:
-
-
-# Dynamic dependencies:
+++ /dev/null
-# makefile for libpng using gcc (generic, static library)
-# Copyright (C) 2002, 2006-2009 Glenn Randers-Pehrson
-# Copyright (C) 2000 Cosmin Truta
-# Copyright (C) 2000 Marc O. Gloor (AIX support added, from makefile.gcc)
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Location of the zlib library and include files
-ZLIBINC = ../zlib
-ZLIBLIB = ../zlib
-
-# Compiler, linker, lib and other tools
-CC = gcc
-LD = $(CC)
-AR_RC = ar rcs
-MKDIR_P = mkdir -p
-RANLIB = ranlib
-RM_F = rm -f
-LN_SF = ln -f -s
-
-LIBNAME=libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-prefix=/usr/local
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-
-CDEBUG = -g -DPNG_DEBUG=5
-LDDEBUG =
-CRELEASE = -O2
-LDRELEASE = -s
-WARNMORE=-W -Wall
-CFLAGS = -I$(ZLIBINC) $(WARNMORE) $(CRELEASE)
-LDFLAGS = -L. -L$(ZLIBLIB) -lpng12 -lz -lm $(LDRELEASE)
-
-# File extensions
-O=.o
-A=.a
-E=
-
-# Variables
-OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
- pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \
- pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
-
-# Targets
-all: $(LIBNAME)$(A) pngtest$(E)
-
-$(LIBNAME)$(A): $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-test: pngtest$(E)
- ./pngtest$(E)
-
-pngtest$(E): pngtest$(O) $(LIBNAME)$(A)
- $(LD) -o $@ pngtest$(O) $(LDFLAGS)
-
-install: $(LIBNAME)$(A)
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DI)/$(LIBNAME)/png.h
- -@$(RM_F) $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h
- -@$(RM_F) $(DI)/pngconf.h
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h \
- $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) -r $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
- -@$(RM_F) $(DL)/$(LIBNAME)$(A)
- -@$(RM_F) $(DL)/libpng$(A)
- cp $(LIBNAME)$(A) $(DL)/$(LIBNAME)$(A)
- chmod 644 $(DL)/$(LIBNAME)$(A)
- (cd $(DL); $(LN_SF) $(LIBNAME)$(A) libpng$(A))
- (cd $(DI); $(LN_SF) libpng/* .;)
-
-clean:
- $(RM_F) *.o $(LIBNAME)$(A) pngtest pngout.png
-
-png$(O): png.h pngconf.h
-pngerror$(O): png.h pngconf.h
-pngget$(O): png.h pngconf.h
-pngmem$(O): png.h pngconf.h
-pngpread$(O): png.h pngconf.h
-pngread$(O): png.h pngconf.h
-pngrio$(O): png.h pngconf.h
-pngrtran$(O): png.h pngconf.h
-pngrutil$(O): png.h pngconf.h
-pngset$(O): png.h pngconf.h
-pngtrans$(O): png.h pngconf.h
-pngwio$(O): png.h pngconf.h
-pngwrite$(O): png.h pngconf.h
-pngwtran$(O): png.h pngconf.h
-pngwutil$(O): png.h pngconf.h
-
-pngtest$(O): png.h pngconf.h
+++ /dev/null
-# Commodore Amiga Makefile
-# makefile for libpng and SAS C V6.5x compiler
-# Copyright (C) 1995-2000 Wolf Faust
-# For conditions of distribution and use, see copyright notice in png.h
-#
-# Note: Use #define PNG_READ_BIG_ENDIAN_SUPPORTED in pngconf.h
-#
-# Location/path of zlib include files
-ZLIB=/zlib
-#compiler
-CC=sc
-#compiler flags
-# WARNING: a bug in V6.51 causes bad code with OPTGO
-# So use V6.55 or set NOOPTGO!!!!!!!!!
-CFLAGS= NOSTKCHK PARMS=REG OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL\
- OPTLOOP OPTRDEP=4 OPTDEP=4 OPTCOMP=4 INCLUDEDIR=$(ZLIB) \
- DEFINE=PNG_INTERNAL
-#linker flags
-LDFLAGS= SD ND BATCH
-#link libs
-LDLIBS= libpng.lib libgz.lib LIB:scm.lib LIB:sc.lib Lib:amiga.lib
-# linker
-LN= slink
-# file deletion command
-RM= delete quiet
-# library (.lib) file creation command
-AR= oml
-# make directory command
-MKDIR= makedir
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-all: libpng.lib pngtest
-
-libpng.lib: $(OBJS)
--$(RM) libpng.lib
-$(AR) libpng.lib r $(OBJS)
-
-pngtest: pngtest.o libpng.lib
-$(LN) <WITH <
-$(LDFLAGS)
-TO pngtest
-FROM LIB:c.o pngtest.o
-LIB $(LDLIBS)
-<
-
+++ /dev/null
-# makefile for libpng
-# Copyright (C) 2002 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-# modified for LC56/ATARI assumes libz.lib is in same dir and uses default
-# rules for library management
-#
-CFLAGS=-I..\zlib -O
-LBR = png.lib
-LDFLAGS=-lpng -lz -lm
-
-# where make install puts libpng.a and png.h
-prefix=/usr/local
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-OBJS = $(LBR)(png.o) $(LBR)(pngset.o) $(LBR)(pngget.o) $(LBR)(pngrutil.o)\
- $(LBR)(pngtrans.o) $(LBR)(pngwutil.o)\
- $(LBR)(pngread.o) $(LBR)(pngerror.o) $(LBR)(pngwrite.o)\
- $(LBR)(pngrtran.o) $(LBR)(pngwtran.o)\
- $(LBR)(pngmem.o) $(LBR)(pngrio.o) $(LBR)(pngwio.o) $(LBR)(pngpread.o)
-
-all: $(LBR) pngtest.ttp
-
-$(LBR): $(OBJS)
-
-pngtest.ttp: pngtest.o $(LBR)
- $(CC) $(CFLAGS) $(LDFLAGS) -o$@ pngtest.o
-
-install: libpng.a
- -@mkdir $(DESTDIR)$(INCPATH)
- -@mkdir $(DESTDIR)$(INCPATH)/libpng
- -@mkdir $(DESTDIR)$(LIBPATH)
- -@rm -f $(DESTDIR)$(INCPATH)/png.h
- -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
- cp png.h $(DESTDIR)$(INCPATH)/libpng
- cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
- (cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
- ln -f -s $(LIBNAME)/* .)
+++ /dev/null
-# Makefile for libpng
-# 32-bit Borland C++ (Note: All modules are compiled in C mode)
-# To build the library, do:
-# "make -fmakefile.bc32"
-#
-# -------------------- 32-bit Borland C++ --------------------
-
-### Absolutely necessary for this makefile to work
-.AUTODEPEND
-
-## Where zlib.h, zconf.h and zlib.lib are
-ZLIB_DIR=..\zlib
-
-## Compiler, linker and lib stuff
-CC=bcc32
-LD=bcc32
-LIB=tlib
-
-# -3 = 386, -4 = 486, -5 = Pentium etc.
-!ifndef TARGET_CPU
-#TARGET_CPU=-6
-!endif
-
-# Use this if you don't want Borland's fancy exception handling
-# (Caution: doesn't work with CBuilderX)
-#NOEHLIB=noeh32.lib
-
-!ifdef DEBUG
-CDEBUG=-v
-LDEBUG=-v
-!else
-CDEBUG=
-LDEBUG=
-!endif
-
-# STACKOFLOW=1
-!ifdef STACKOFLOW
-CDEBUG=$(CDEBUG) -N
-LDEBUG=$(LDEBUG) -N
-!endif
-
-# -O2 optimize for speed
-# -d merge duplicate strings
-# -k- turn off standard stack frame
-# -w display all warnings
-CFLAGS=-I$(ZLIB_DIR) -O2 -d -k- -w $(TARGET_CPU) $(CDEBUG)
-
-# -M generate map file
-LDFLAGS=-L$(ZLIB_DIR) -M $(LDEBUG)
-
-## Variables
-OBJS = \
- png.obj \
- pngerror.obj \
- pngget.obj \
- pngmem.obj \
- pngpread.obj \
- pngread.obj \
- pngrio.obj \
- pngrtran.obj \
- pngrutil.obj \
- pngset.obj \
- pngtrans.obj \
- pngwio.obj \
- pngwrite.obj \
- pngwtran.obj \
- pngwutil.obj
-
-LIBOBJS = \
- +png.obj \
- +pngerror.obj \
- +pngget.obj \
- +pngmem.obj \
- +pngpread.obj \
- +pngread.obj \
- +pngrio.obj \
- +pngrtran.obj \
- +pngrutil.obj \
- +pngset.obj \
- +pngtrans.obj \
- +pngwio.obj \
- +pngwrite.obj \
- +pngwtran.obj \
- +pngwutil.obj
-
-LIBNAME=libpng.lib
-
-## Implicit rules
-# Braces let make "batch" calls to the compiler,
-# 2 calls instead of 12; space is important.
-.c.obj:
- $(CC) $(CFLAGS) -c {$*.c }
-
-.c.exe:
- $(CC) $(CFLAGS) $(LDFLAGS) $*.c $(LIBNAME) zlib.lib $(NOEHLIB)
-
-.obj.exe:
- $(LD) $(LDFLAGS) $*.obj $(LIBNAME) zlib.lib $(NOEHLIB)
-
-## Major targets
-all: libpng pngtest
-
-libpng: $(LIBNAME)
-
-pngtest: pngtest.exe
-
-test: pngtest.exe
- pngtest
-
-## Minor Targets
-
-png.obj: png.c png.h pngconf.h
-pngerror.obj: pngerror.c png.h pngconf.h
-pngget.obj: pngget.c png.h pngconf.h
-pngmem.obj: pngmem.c png.h pngconf.h
-pngpread.obj: pngpread.c png.h pngconf.h
-pngread.obj: pngread.c png.h pngconf.h
-pngrio.obj: pngrio.c png.h pngconf.h
-pngrtran.obj: pngrtran.c png.h pngconf.h
-pngrutil.obj: pngrutil.c png.h pngconf.h
-pngset.obj: pngset.c png.h pngconf.h
-pngtrans.obj: pngtrans.c png.h pngconf.h
-pngwio.obj: pngwio.c png.h pngconf.h
-pngwrite.obj: pngwrite.c png.h pngconf.h
-pngwtran.obj: pngwtran.c png.h pngconf.h
-pngwutil.obj: pngwutil.c png.h pngconf.h
-pngtest.obj: pngtest.c png.h pngconf.h
-
-$(LIBNAME): $(OBJS)
- -del $(LIBNAME)
- $(LIB) $(LIBNAME) @&&|
-$(LIBOBJS), libpng
-|
-
-# Cleanup
-clean:
- -del *.obj
- -del $(LIBNAME)
- -del pngtest.exe
- -del *.lst
- -del *.map
- -del *.tds
- -del pngout.png
-
-# End of makefile for libpng
+++ /dev/null
-# makefile for libpng on BeOS x86 ELF with gcc
-# modified from makefile.linux by Sander Stoks
-# Copyright (C) 2002, 2006, 2008 Glenn Randers-Pehrson
-# Copyright (C) 1999 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME=libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-CC=gcc
-AR_RC=ar rc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-# Where the zlib library and include files are located
-ZLIBLIB=/usr/local/lib
-ZLIBINC=/usr/local/include
-
-ALIGN=
-# For i386:
-# ALIGN=-malign-loops=2 -malign-functions=2
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-# On BeOS, -O1 is actually better than -O3. This is a known bug but it's
-# still here in R4.5
-CFLAGS=-I$(ZLIBINC) -W -Wall -O1 -funroll-loops \
- $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
-# LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng -lz
-LDFLAGS=-L. -Wl,-soname=$(LIBSOMAJ) -L$(ZLIBLIB) -lz
-
-# where make install puts libpng.a, libpng12.so*, and png.h
-prefix=/usr/local
-exec_prefix=$(prefix)
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS)
-
-.SUFFIXES: .c .o
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo libs=\"-lpng12 -lz \"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
- cp $(LIBSO)* /boot/home/config/lib
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(CC) -nostart -Wl,-soname,$(LIBSOMAJ) -o \
- $(LIBSOVER) $(OBJSDLL) $(LDFLAGS)
-
-$(OLDSOVER): $(OBJSDLL)
- $(CC) -nostart -Wl,-soname,$(OLDSOMAJ) -o \
- $(OLDSOVER) $(OBJSDLL) $(LDFLAGS)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -L$(ZLIBLIB) -L. -lz -lpng12 -o pngtest pngtest.o
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) $(CFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -Wl,-rpath $(ZLIBLIB):$(DL) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) $(CFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
- $(LIBSO) $(LIBSOMAJ)* pngtesti \
- $(OLDSOVER) \
- libpng.pc
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# Makefile for libpng
-# 16-bit Borland C++ (Note: All modules are compiled in C mode)
-# To build the library, do:
-# "make -fmakefile.bor -DMODEL=c"
-# or: "make -fmakefile.bor -DMODEL=l"
-#
-# ------------ Borland C++ ------------
-
-### Absolutely necessary for this makefile to work
-.AUTODEPEND
-
-## Where zlib.h, zconf.h and zlib_MODEL.lib are
-ZLIB_DIR=..\zlib
-
-## Compiler, linker and lib stuff
-CC=bcc
-LD=bcc
-LIB=tlib
-
-!ifndef MODEL
-MODEL=l
-!endif
-
-MODEL_ARG=-m$(MODEL)
-
-#TARGET_CPU=3
-# 2 = 286, 3 = 386, etc.
-!ifndef TARGET_CPU
-TARGET_CPU=2
-!endif
-
-# Use this if you don't want Borland's fancy exception handling
-# (for Borland C++ 4.0 or later)
-#NOEHLIB=noeh$(MODEL).lib
-
-!ifdef DEBUG
-CDEBUG=-v
-LDEBUG=-v
-!else
-CDEBUG=
-LDEBUG=
-!endif
-
-# STACKOFLOW=1
-!ifdef STACKOFLOW
-CDEBUG=$(CDEBUG) -N
-LDEBUG=$(LDEBUG) -N
-!endif
-
-# -X- turn on dependency generation in the object file
-# -w set all warnings on
-# -O2 optimize for speed
-# -Z global optimization
-CFLAGS=-O2 -Z -X- -w -I$(ZLIB_DIR) -$(TARGET_CPU) $(MODEL_ARG) $(CDEBUG)
-
-# -M generate map file
-LDFLAGS=-M -L$(ZLIB_DIR) $(MODEL_ARG) $(LDEBUG)
-
-## Variables
-
-OBJS = \
- png.obj \
- pngerror.obj \
- pngget.obj \
- pngmem.obj \
- pngpread.obj \
- pngread.obj \
- pngrio.obj \
- pngrtran.obj \
- pngrutil.obj \
- pngset.obj \
- pngtrans.obj \
- pngwio.obj \
- pngwrite.obj \
- pngwtran.obj \
- pngwutil.obj
-
-LIBOBJS = \
- +png.obj \
- +pngerror.obj \
- +pngget.obj \
- +pngmem.obj \
- +pngpread.obj \
- +pngread.obj \
- +pngrio.obj \
- +pngrtran.obj \
- +pngrutil.obj \
- +pngset.obj \
- +pngtrans.obj \
- +pngwio.obj \
- +pngwrite.obj \
- +pngwtran.obj \
- +pngwutil.obj
-
-LIBNAME=libpng$(MODEL).lib
-
-## Implicit rules
-
-# Braces let make "batch" calls to the compiler,
-# 2 calls instead of 12; space is important.
-.c.obj:
- $(CC) $(CFLAGS) -c {$*.c }
-
-.c.exe:
- $(CC) $(CFLAGS) $(LDFLAGS) $*.c $(LIBNAME) zlib_$(MODEL).lib $(NOEHLIB)
-
-## Major targets
-
-all: libpng pngtest
-
-libpng: $(LIBNAME)
-
-pngtest: pngtest$(MODEL).exe
-
-test: pngtest$(MODEL).exe
- pngtest$(MODEL)
-
-## Minor Targets
-
-png.obj: png.c png.h pngconf.h
-pngerror.obj: pngerror.c png.h pngconf.h
-pngget.obj: pngget.c png.h pngconf.h
-pngmem.obj: pngmem.c png.h pngconf.h
-pngpread.obj: pngpread.c png.h pngconf.h
-pngread.obj: pngread.c png.h pngconf.h
-pngrio.obj: pngrio.c png.h pngconf.h
-pngrtran.obj: pngrtran.c png.h pngconf.h
-pngrutil.obj: pngrutil.c png.h pngconf.h
-pngset.obj: pngset.c png.h pngconf.h
-pngtrans.obj: pngtrans.c png.h pngconf.h
-pngwio.obj: pngwio.c png.h pngconf.h
-pngwrite.obj: pngwrite.c png.h pngconf.h
-pngwtran.obj: pngwtran.c png.h pngconf.h
-pngwutil.obj: pngwutil.c png.h pngconf.h
-
-$(LIBNAME): $(OBJS)
- -del $(LIBNAME)
- $(LIB) $(LIBNAME) @&&|
-$(LIBOBJS), libpng$(MODEL)
-|
-
-pngtest$(MODEL).obj: pngtest.c
- $(CC) $(CFLAGS) -opngtest$(MODEL) -c pngtest.c
-
-pngtest$(MODEL).exe: pngtest$(MODEL).obj
- $(LD) $(LDFLAGS) pngtest$(MODEL).obj $(LIBNAME) zlib_$(MODEL).lib $(NOEHLIB)
-
-# Clean up anything else you want
-clean:
- -del *.obj
- -del *.exe
- -del *.lib
- -del *.lst
- -del *.map
-
-# End of makefile for libpng
+++ /dev/null
-# makefile for cygwin on x86
-# Builds both dll (with import lib) and static lib versions
-# of the library, and builds two copies of pngtest: one
-# statically linked and one dynamically linked.
-#
-# Copyright (C) 2002, 2006-2008 Soren Anderson, Charles Wilson,
-# and Glenn Randers-Pehrson, based on makefile for linux-elf w/mmx by:
-# Copyright (C) 1998-2000 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# This makefile intends to support building outside the src directory
-# if desired. When invoking it, specify an argument to SRCDIR on the
-# command line that points to the top of the directory where your source
-# is located.
-
-ifdef SRCDIR
-VPATH = $(SRCDIR)
-else
-SRCDIR = .
-endif
-
-# Override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-
-DESTDIR=
-
-CC=gcc
-ifdef MINGW
-MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw
-MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
-endif
-
-# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
-ifndef prefix
-prefix=/usr
-$(warning You haven't specified a 'prefix=' location. Defaulting to "/usr")
-endif
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-ZLIBLIB= /usr/lib
-ZLIBINC=
-#ZLIBLIB=../zlib
-#ZLIBINC=../zlib
-
-ALIGN=
-# for i386:
-#ALIGN=-malign-loops=2 -malign-functions=2
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-### if you don't need thread safety, but want the asm accel
-#CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_THREAD_UNSAFE_OK \
-# $(addprefix -I,$(ZLIBINC)) -W -Wall -O $(ALIGN) -funroll-loops \
-# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
-### if you need thread safety and want (minimal) asm accel
-#CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
-# -W -Wall -O $(ALIGN) -funroll-loops \
-# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
-### Normal (non-asm) compilation
-CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
- -W -Wall -O3 $(ALIGN) -funroll-loops -DPNG_NO_MMX_CODE \
- -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
-
-LIBNAME = libpng12
-PNGMAJ = 0
-CYGDLL = 12
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-SHAREDLIB=cygpng$(CYGDLL).dll
-STATLIB=libpng.a
-IMPLIB=libpng.dll.a
-SHAREDDEF=libpng.def
-LIBS=$(SHAREDLIB) $(STATLIB)
-EXE=.exe
-
-LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz)
-LDSFLAGS=$(strip -shared -L. $(MINGW_LDFLAGS) -Wl,--export-all)
-LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz
-
-MKDIR_P=/bin/mkdir -pv
-RANLIB=ranlib
-#RANLIB=echo
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-
-BINPATH=$(exec_prefix)/bin
-MANPATH=$(prefix)/man
-MAN3PATH=$(MANPATH)/man3
-MAN5PATH=$(MANPATH)/man5
-
-# cosmetic: shortened strings:
-S =$(SRCDIR)
-D =$(DESTDIR)
-DB =$(D)$(BINPATH)
-DI =$(D)$(INCPATH)
-DL =$(D)$(LIBPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-%.o : %.c
- $(CC) -c $(CFLAGS) -o $@ $<
-%.pic.o : CFLAGS += -DPNG_BUILD_DLL
-%.pic.o : %.c
- $(CC) -c $(CFLAGS) -o $@ $<
-
-all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config
-
-# Make this to verify that "make [...] install" will do what you want.
-buildsetup-tell:
- @echo VPATH is set to: \"$(VPATH)\"
- @echo prefix is set to: \"$(prefix)\"
- @echo -e INCPATH,LIBPATH, etc. are set to:'\n' \
- $(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \
- $(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n'
-
-libpng.pc: scripts/libpng.pc.in
- @echo -e Making pkg-config file for this libpng installation..'\n' \
- using PREFIX=\"$(prefix)\"'\n'
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz! > libpng.pc
-
-libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in
- @echo -e Making $(LIBNAME) libpng-config file for this libpng \
- installation..'\n' using PREFIX=\"$(prefix)\"'\n'
- ( cat $(S)/scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libs=\"-lpng$(CYGDLL) -lz\"; \
- cat $(S)/scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-static: all-static
-shared: all-shared
-all-static: $(STATLIB) pngtest-stat$(EXE)
-all-shared: $(SHAREDLIB) pngtest$(EXE)
-
-$(STATLIB): $(OBJS)
- ar rc $@ $(OBJS)
- $(RANLIB) $@
-
-$(SHAREDDEF): scripts/pngw32.def
- cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \
- sed -e 's/\([^;]*\);/;/' > $@
-
-$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)
- $(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA)
-
-pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)
- $(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
-
-pngtest-stat$(EXE): pngtest.o $(STATLIB)
- $(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@
-
-pngtest.pic.o: pngtest.c
- $(CC) $(CFLAGS) -c $< -o $@
-
-pngtest.o: pngtest.c png.h pngconf.h
- $(CC) $(CFLAGS) -c $< -o $@
-
-test: test-static test-shared
-
-test-static: pngtest-stat$(EXE)
- ./pngtest-stat $(S)/pngtest.png
-
-test-shared: pngtest$(EXE)
- ./pngtest $(S)/pngtest.png
-
-install-static: $(STATLIB) install-headers install-man
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a
- -@rm -f $(DL)/$(STATLIB)
- (cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))
-
-install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
- -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
- install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a
- -@rm -f $(DL)/$(IMPLIB)
- (cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))
- install -s -m 755 $(SHAREDLIB) $(DB)
- install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
-
-install-headers:
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- -@rm -f $(DI)/png.h
- -@rm -f $(DI)/pngconf.h
- install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)
- -@rm -f $(DI)/libpng
- (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
-
-install-man:
- -@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR_P) $(D)$(MAN3PATH); fi
- -@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR_P) $(D)$(MAN5PATH); fi
- install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)
- install -m 644 $(S)/png.5 $(D)$(MAN5PATH)
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@/bin/rm -f $(DB)/libpng-config
- -@/bin/rm -f $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
-
-# Run this to verify that a future `configure' run will pick up the settings
-# you want.
-test-config-install: SHELL=/bin/bash
-test-config-install: $(DB)/libpng-config
- @echo -e Testing libpng-config functions...'\n'
- @ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \
- do \
- printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \
- "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
- gytiu=$$(( $$gytiu + 1 )); \
- done
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) $(CFLAGS) \
- `$(BINPATH)/libpng12-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/libpng12-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) $(CFLAGS) \
- `$(BINPATH)/libpng12-config --cflags` pngtest.c \
- -L$(ZLIBLIB) \
- -o pngtesti$(EXE) `$(BINPATH)/libpng12-config --ldflags`
- ./pngtesti$(EXE) pngtest.png
-
-clean:
- /bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \
- pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \
- libpng-config libpng.pc pngtesti$(EXE)
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h png.c
-pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
-pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
-pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
-pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
-pngset.o pngset.pic.o: png.h pngconf.h pngset.c
-pngget.o pngget.pic.o: png.h pngconf.h pngget.c
-pngread.o pngread.pic.o: png.h pngconf.h pngread.c
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
-pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
-
-pngtest.o: png.h pngconf.h pngtest.c
-pngtest-stat.o: png.h pngconf.h pngtest.c
-
-
-
+++ /dev/null
-# makefile for libpng on Darwin / Mac OS X
-# Copyright (C) 2002, 2004, 2006, 2008 Glenn Randers-Pehrson
-# Copyright (C) 2001 Christoph Pfisterer
-# derived from makefile.linux:
-# Copyright (C) 1998, 1999 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# where "make install" puts libpng.a, libpng12.dylib, png.h and pngconf.h
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 12
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).dylib
-LIBSOMAJ=$(LIBNAME).$(PNGMAJ).dylib
-LIBSOVER=$(LIBNAME).$(PNGVER).dylib
-OLDSO=libpng.dylib
-OLDSOMAJ=libpng.3.dylib
-OLDSOVER=libpng.3.$(PNGMIN).dylib
-
-# Utilities:
-CC=cc
-AR_RC=ar rc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-# CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE
-CFLAGS=-I$(ZLIBINC) -W -Wall -O -funroll-loops
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -fno-common -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(CC) -dynamiclib \
- -install_name $(LIBPATH)/$(LIBSOMAJ) \
- -current_version 0 -compatibility_version 0 \
- -o $(LIBSOVER) \
- $(OBJSDLL) -L$(ZLIBLIB) -lz
-
-$(OLDSOVER): $(OBJSDLL)
- $(CC) -dynamiclib \
- -install_name $(LIBPATH)/$(OLDSOMAJ) \
- -current_version 3 -compatibility_version 3 \
- -o $(OLDSOVER) \
- $(OBJSDLL) -L$(ZLIBLIB) -lz
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- $(RANLIB) $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSO) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBNAME).$(PNGVER)*.dylib
- -@$(RM_F) $(DL)/$(LIBNAME).$(PNGMAJ)*.dylib
- -@$(RM_F) $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/libpng.3.$(PNGMIN)*.dylib
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) $(CFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
- $(OLDSOVER) \
- libpng.pc $(LIBNAME).*dylib pngtesti
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng on DEC Alpha Unix
-# Copyright (C) 2000-2002, 2006 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-LIBNAME = libpng12
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=cc
-MKDIR_P=mkdir
-LN_SF=ln -f -s
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-# where make install puts libpng.a and png.h
-prefix=/usr/local
-exec_prefix=$(prefix)
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-# Where the zlib library and include files are located
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-CFLAGS=-std -w1 -I$(ZLIBINC) -O # -g -DPNG_DEBUG=1
-LDFLAGS=-L$(ZLIBLIB) -rpath $(ZLIBLIB) libpng.a -lz -lm
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-all: $(LIBSO) libpng.a pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo ccopts=\"-std\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJS)
- $(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \
- -soname $(LIBSOMAJ)
-
-$(OLDSOVER): $(OBJS)
- $(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \
- -soname $(OLDSOMAJ)
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
- -@/bin/rm -f $(DI)/libpng
- (cd $(DI); $(LN_SF)(LIBNAME) libpng; $(LN_SF)(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@/bin/rm -f $(DL)/libpng.a
- (cd $(DL); $(LN_SF)(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@/bin/rm -f $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@/bin/rm -f $(DL)/$(LIBSOMAJ)
- -@/bin/rm -f $(DL)/$(OLDSO)
- -@/bin/rm -f $(DL)/$(OLDSOMAJ)
- -@/bin/rm -f $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF)(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF)(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
- -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF)(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@/bin/rm -f $(DM)/man3/libpng.3
- -@/bin/rm -f $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@/bin/rm -f $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@/bin/rm -f $(DB)/libpng-config
- -@/bin/rm -f $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF)(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -w1 -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) -w1 -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) -R$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# DJGPP (DOS gcc) makefile for libpng
-# Copyright (C) 2002, 2006, 2009 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# where make install will put libpng.a and png.h
-#prefix=/usr/local
-prefix=.
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-
-CC=gcc
-CFLAGS=-I../zlib -O
-LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
-
-RANLIB=ranlib
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o pngwtran.o \
- pngmem.o pngerror.o pngpread.o
-
-all: libpng.a pngtest
-
-libpng.a: $(OBJS)
- ar rc $@ $(OBJS)
- $(RANLIB) $@
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
- coff2exe pngtest
-
-test: pngtest
- ./pngtest
-clean:
- rm -f *.o libpng.a pngtest pngout.png
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng.a and libpng12.so on Linux ELF with gcc
-# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs
-# and Glenn Randers-Pehrson
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Modified for Debian by Junichi Uekawa and Josselin Mouette
-# Major modifications are:
-# * link libpng explicitly with libz and libm
-# * $(OLDSO).3 is a symlink rather than a different library
-# * versioned symbols
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=gcc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-# where "make install" puts libpng12.a, libpng12.so*,
-# libpng12/png.h and libpng12/pngconf.h
-# Prefix must be a full pathname.
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located.
-ZLIBLIB=/usr/local/lib
-ZLIBINC=/usr/local/include
-# ZLIBLIB=../zlib
-# ZLIBINC=../zlib
-
-ALIGN=
-# for i386:
-#ALIGN=-malign-loops=2 -malign-functions=2
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-# for pgcc version 2.95.1, -O3 is buggy; don't use it.
-
-CFLAGS=-W -Wall -D_REENTRANT -O2 \
- $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
-
-LDFLAGS=-L. -lpng12
-LDFLAGS_A=libpng.a -lz -lm
-LIBADDFLAGS=-lz -lm
-
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng.syms: png.h pngconf.h
- $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\
- awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG12_%s {global:\n",PNGMAJ)}\
- { for (i=1;i+2<=NF;++i)\
- if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\
- print $$(i+1) ";";\
- for (i=1;i+1<=NF;++i)\
- if ($$(i)=="PNG_DATA_EXPORT")\
- print $$(i+1) ";";}\
- END{print "local: *; };"}' >$@.new
- $(RM_F) $@
- mv $@.new $@
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"\"; \
- echo R_opts=\"\"; \
- echo libs=\"-lpng12\"; \
- echo all_libs=\"-lpng12 $(LIBADDFLAGS)\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL) libpng.syms
- $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
- -Wl,-version-script,libpng.syms \
- -o $(LIBSOVER) \
- $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL) libpng.syms
- $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
- -Wl,-version-script,libpng.syms \
- -o $(OLDSOVER) \
- $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-pngtest-static: pngtest.o libpng.a
- $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
-
-test: pngtest pngtest-static
- @echo ""
- @echo " Running pngtest dynamically linked with $(LIBSO):"
- @echo ""
- LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest
- @echo ""
- @echo " Running pngtest statically linked with libpng.a:"
- @echo ""
- ./pngtest-static
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
- $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng under FreeBSD
-# Copyright (C) 2002, 2007, 2009 Glenn Randers-Pehrson and Andrey A. Chernov
-# For conditions of distribution and use, see copyright notice in png.h
-
-PREFIX?= /usr/local
-SHLIB_VER?= 5
-
-LIB= png
-SHLIB_MAJOR= ${SHLIB_VER}
-SHLIB_MINOR= 0
-NOPROFILE= YES
-NOOBJ= YES
-
-# where make install puts libpng.a and png.h
-DESTDIR= ${PREFIX}
-LIBDIR= /lib
-INCS= png.h pngconf.h
-INCSDIR= /include/libpng
-INCDIR= ${INCSDIR} # for 4.x bsd.lib.mk
-MAN= libpng.3 libpngpf.3 png.5
-MANDIR= /man/man
-SYMLINKS= libpng/png.h ${INCSDIR}/../png.h \
- libpng/pngconf.h ${INCSDIR}/../pngconf.h
-LDADD+= -lm -lz
-DPADD+= ${LIBM} ${LIBZ}
-
-CFLAGS+= -I.
-.if (${MACHINE_ARCH} != "i386")
-CFLAGS+= -DPNG_NO_MMX_CODE
-.endif
-
-SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
- pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
- pngwtran.c pngmem.c pngerror.c pngpread.c
-
-pngtest: pngtest.o libpng.a
- ${CC} ${CFLAGS} -L. -static -o pngtest pngtest.o -lpng -lz -lm
-
-CLEANFILES= pngtest pngtest.o pngout.png
-
-test: pngtest
- ./pngtest
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-.include <bsd.lib.mk>
+++ /dev/null
-# makefile for libpng using gcc (generic, static library)
-# Copyright (C) 2008 Glenn Randers-Pehrson
-# Copyright (C) 2000 Cosmin Truta
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Location of the zlib library and include files
-ZLIBINC = ../zlib
-ZLIBLIB = ../zlib
-
-# Compiler, linker, lib and other tools
-CC = gcc
-LD = $(CC)
-AR_RC = ar rcs
-RANLIB = ranlib
-RM_F = rm -f
-
-CDEBUG = -g -DPNG_DEBUG=5
-LDDEBUG =
-CRELEASE = -O2
-LDRELEASE = -s
-#CFLAGS = -W -Wall $(CDEBUG)
-CFLAGS = -W -Wall $(CRELEASE)
-#LDFLAGS = $(LDDEBUG)
-LDFLAGS = $(LDRELEASE)
-LIBS = -lz -lm
-
-# File extensions
-O=.o
-A=.a
-EXE=
-
-# Variables
-OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
- pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \
- pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
-
-# Targets
-all: static
-
-.c$(O):
- $(CC) -c $(CFLAGS) -I$(ZLIBINC) $<
-
-static: libpng$(A) pngtest$(EXE)
-
-shared:
- @echo This is a generic makefile that cannot create shared libraries.
- @echo Please use a configuration that is specific to your platform.
- @false
-
-libpng$(A): $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-test: pngtest$(EXE)
- ./pngtest$(EXE)
-
-pngtest$(EXE): pngtest$(O) libpng$(A)
- $(LD) $(LDFLAGS) -L$(ZLIBLIB) -o $@ pngtest$(O) libpng$(A) $(LIBS)
-
-clean:
- $(RM_F) *$(O) libpng$(A) pngtest$(EXE) pngout.png
-
-png$(O): png.h pngconf.h
-pngerror$(O): png.h pngconf.h
-pngget$(O): png.h pngconf.h
-pngmem$(O): png.h pngconf.h
-pngpread$(O): png.h pngconf.h
-pngread$(O): png.h pngconf.h
-pngrio$(O): png.h pngconf.h
-pngrtran$(O): png.h pngconf.h
-pngrutil$(O): png.h pngconf.h
-pngset$(O): png.h pngconf.h
-pngtrans$(O): png.h pngconf.h
-pngwio$(O): png.h pngconf.h
-pngwrite$(O): png.h pngconf.h
-pngwtran$(O): png.h pngconf.h
-pngwutil$(O): png.h pngconf.h
-
-pngtest$(O): png.h pngconf.h
+++ /dev/null
-# makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX
-# assembler code
-# Copyright 2002, 2006, 2008 Greg Roelofs and Glenn Randers-Pehrson
-# Copyright 1998-2001 Greg Roelofs
-# Copyright 1996-1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.
-
-# NOTE: When testing MMX performance on a multitasking system, make sure
-# there are no floating-point programs (e.g., SETI@Home) running in
-# the background! Context switches between MMX and FPU are expensive.
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-CC = gcc
-LD = $(CC)
-AR_RC = ar rc
-LN_SF = ln -sf
-MKDIR_P = mkdir -p
-RANLIB = ranlib
-RM_F = /bin/rm -f
-
-# where "make install" puts libpng12.a, libpng12.so*,
-# libpng12/png.h and libpng12/pngconf.h
-# Prefix must be a full pathname.
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located.
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-ALIGN=
-# for i386:
-#ALIGN=-malign-loops=2 -malign-functions=2
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-# for pgcc version 2.95.1, -O3 is buggy; don't use it.
-
-# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
-### for generic gcc:
-CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
- $(ALIGN) -funroll-loops \
- -fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5
-### for gcc 2.95.2 on 686:
-#CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
-# -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
-# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
-### for gcc 2.7.2.3 on 486 and up:
-#CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
-# -m486 -malign-double -ffast-math \
-# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
-
-LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
-LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
-
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo cppflags=\"-DPNG_THREAD_UNSAFE_OK \"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
- -o $(LIBSOVER) \
- $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
- -o $(OLDSOVER) \
- $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-pngtest-static: pngtest.o libpng.a
- $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
-
-test: pngtest pngtest-static
- @echo ""
- @echo " Running pngtest dynamically linked with $(LIBSO):"
- @echo ""
- ./pngtest
- @echo ""
- @echo " Running pngtest statically linked with libpng.a:"
- @echo ""
- ./pngtest-static
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
- $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-png.o png.pic.o: png.h pngconf.h png.c
-pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
-pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
-pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
-pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
-pngset.o pngset.pic.o: png.h pngconf.h pngset.c
-pngget.o pngget.pic.o: png.h pngconf.h pngget.c
-pngread.o pngread.pic.o: png.h pngconf.h pngread.c
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
-pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
-
-pngtest.o: png.h pngconf.h pngtest.c
+++ /dev/null
-# makefile for libpng, HPUX (10.20 and 11.00) using the ANSI/C product.
-# Copyright (C) 1999-2002, 2006, 2009 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42
-# contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Where the zlib library and include files are located
-ZLIBLIB=/opt/zlib/lib
-ZLIBINC=/opt/zlib/include
-
-# Note that if you plan to build a libpng shared library, zlib must also
-# be a shared library, which zlib's configure does not do. After running
-# zlib's configure, edit the appropriate lines of makefile to read:
-# CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \
-# LDSHARED=ld -b
-# SHAREDLIB=libz.sl
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).sl
-LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).sl.$(PNGVER)
-OLDSO=libpng.sl
-OLDSOMAJ=libpng.sl.3
-OLDSOVER=libpng.sl.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=cc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-CFLAGS=-I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \
--D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 +Z -DHAVE_UNISTD_H -DUSE_MMAP
-# Caution: be sure you have built zlib with the same CFLAGS.
-CCFLAGS=-I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \
--D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 +Z -DHAVE_UNISTD_H -DUSE_MMAP
-
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
-
-# where make install puts libpng.a, libpng12.sl, and png.h
-prefix=/opt/libpng
-exec_prefix=$(prefix)
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) +z -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo ccopts=\"-Ae +DA1.1 +DS2.0\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(LD) -b +s \
- +h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(LD) -b +s \
- +h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL)
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) $(CCFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) $(CCFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng on HP-UX using GCC with the HP ANSI/C linker.
-# Copyright (C) 2002, 2006-2008 Glenn Randers-Pehrson
-# Copyright (C) 2001, Laurent faillie
-# Copyright (C) 1998, 1999 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).sl
-LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).sl.$(PNGVER)
-OLDSO=libpng.sl
-OLDSOMAJ=libpng.sl.3
-OLDSOVER=libpng.sl.3.$(PNGMIN)
-
-# Utilities:
-CC=gcc
-LD=ld
-AR_RC=ar rc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-# where "make install" puts libpng.a, $(OLDSO)*, png.h and pngconf.h
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-ZLIBLIB=/opt/zlib/lib
-ZLIBINC=/opt/zlib/include
-
-# Note that if you plan to build a libpng shared library, zlib must also
-# be a shared library, which zlib's configure does not do. After running
-# zlib's configure, edit the appropriate lines of makefile to read:
-# CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \
-# LDSHARED=ld -b
-# SHAREDLIB=libz.sl
-
-ALIGN=
-# for i386:
-#ALIGN=-malign-loops=2 -malign-functions=2
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-# for pgcc version 2.95.1, -O3 is buggy; don't use it.
-
-CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \
- $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
-#LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(LD) -b +s \
- +h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(LD) -b +s \
- +h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -Wl,-rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng, HPUX (10.20 and 11.00) using the ANSI/C product.
-# Copyright (C) 1999-2002, 2006 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42
-# contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Where the zlib library and include files are located
-ZLIBLIB=/opt/zlib/lib
-ZLIBINC=/opt/zlib/include
-
-# Note that if you plan to build a libpng shared library, zlib must also
-# be a shared library, which zlib's configure does not do. After running
-# zlib's configure, edit the appropriate lines of makefile to read:
-# CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \
-# LDSHARED=ld -b
-# SHAREDLIB=libz.sl
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).sl
-LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).sl.$(PNGVER)
-OLDSO=libpng.sl
-OLDSOMAJ=libpng.sl.3
-OLDSOVER=libpng.sl.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=cc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-# where make install puts libpng.a, libpng12.sl, and png.h
-prefix=/opt/libpng
-exec_prefix=$(prefix)
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-CFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0 -DPNG_NO_MMX_CODE
-# Caution: be sure you have built zlib with the same CFLAGS.
-CCFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) +z -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo ccopts=\"-Ae +DA1.1 +DS2.0\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(LD) -b +s \
- +h $(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(LD) -b +s \
- +h $(OLDSOMAJ) -o $(OLDSOVER) $(OBJSDLL)
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) $(CCFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) $(CCFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# Makefile for libpng (static)
-# IBM C version 3.x for Win32 and OS/2
-# Copyright (C) 2006 Glenn Randers-Pehrson
-# Copyright (C) 2000 Cosmin Truta
-# For conditions of distribution and use, see copyright notice in png.h
-# Notes:
-# Derived from makefile.std
-# All modules are compiled in C mode
-# Tested under Win32, expected to work under OS/2
-# Can be easily adapted for IBM VisualAge/C++ for AIX
-
-# Location of the zlib library and include files
-ZLIBINC = ../zlib
-ZLIBLIB = ../zlib
-
-# Compiler, linker, lib and other tools
-CC = icc
-LD = ilink
-AR = ilib
-RM = del
-
-CFLAGS = -I$(ZLIBINC) -Mc -O2 -W3
-LDFLAGS =
-
-# File extensions
-O=.obj
-A=.lib
-E=.exe
-
-# Variables
-OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
- pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \
- pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
-
-LIBS = libpng$(A) $(ZLIBLIB)/zlib$(A)
-
-# Targets
-all: libpng$(A) pngtest$(E)
-
-libpng$(A): $(OBJS)
- $(AR) -out:$@ $(OBJS)
-
-test: pngtest$(E)
- pngtest$(E)
-
-pngtest: pngtest$(E)
-
-pngtest$(E): pngtest$(O) libpng$(A)
- $(LD) $(LDFLAGS) pngtest$(O) $(LIBS)
-
-clean:
- $(RM) *$(O)
- $(RM) libpng$(A)
- $(RM) pngtest$(E)
- $(RM) pngout.png
-
-png$(O): png.h pngconf.h
-pngerror$(O): png.h pngconf.h
-pngget$(O): png.h pngconf.h
-pngmem$(O): png.h pngconf.h
-pngpread$(O): png.h pngconf.h
-pngread$(O): png.h pngconf.h
-pngrio$(O): png.h pngconf.h
-pngrtran$(O): png.h pngconf.h
-pngrutil$(O): png.h pngconf.h
-pngset$(O): png.h pngconf.h
-pngtrans$(O): png.h pngconf.h
-pngwio$(O): png.h pngconf.h
-pngwrite$(O): png.h pngconf.h
-pngwtran$(O): png.h pngconf.h
-pngwutil$(O): png.h pngconf.h
-
-pngtest$(O): png.h pngconf.h
+++ /dev/null
-# Makefile for libpng
-# Microsoft Visual C++ with Intel C/C++ Compiler 4.0 and later
-
-# Copyright (C) 2006 Glenn Randers-Pehrson
-# Copyright (C) 2000, Pawel Mrochen, based on makefile.msc which is
-# copyright 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# To use, do "nmake /f scripts\makefile.intel"
-
-# ------------------- Intel C/C++ Compiler 4.0 and later -------------------
-
-# Where the zlib library and include files are located
-ZLIBLIB=..\zlib
-ZLIBINC=..\zlib
-
-# Target CPU
-CPU=6 # Pentium II
-#CPU=5 # Pentium
-
-# Calling convention
-CALLING=r # __fastcall
-#CALLING=z # __stdcall
-#CALLING=d # __cdecl
-
-# Uncomment next to put error messages in a file
-#ERRFILE=>>pngerrs
-
-# --------------------------------------------------------------------------
-
-CC=icl -c
-CFLAGS=-O2 -G$(CPU)$(CALLING) -Qip -Qunroll4 -I$(ZLIBINC) -nologo
-LD=link
-LDFLAGS=/SUBSYSTEM:CONSOLE /NOLOGO
-
-O=.obj
-
-OBJS=png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O) \
-pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O) \
-pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
-
-all: test
-
-png$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngset$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngget$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngread$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngpread$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngrtran$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngrutil$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngerror$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngmem$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngrio$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngwio$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngtrans$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngwrite$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngwtran$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngwutil$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-libpng.lib: $(OBJS)
- if exist libpng.lib del libpng.lib
- lib /NOLOGO /OUT:libpng.lib $(OBJS)
-
-pngtest.exe: pngtest.obj libpng.lib
- $(LD) $(LDFLAGS) /OUT:pngtest.exe pngtest.obj libpng.lib $(ZLIBLIB)\zlib.lib
-
-pngtest$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-test: pngtest.exe
- pngtest.exe
-
-
-# End of makefile for libpng
+++ /dev/null
-# makefile for libpng
-# Copyright (C) 2002, 2006, 2009 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# This makefile requires the file ansi2knr.c, which you can get
-# from the Ghostscript ftp site at ftp://ftp.cs.wisc.edu/ghost/
-# If you have libjpeg, you probably already have ansi2knr.c in the jpeg
-# source distribution.
-
-# where make install puts libpng.a and png.h
-prefix=/usr/local
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-CC=cc
-CFLAGS=-I../zlib -O
-LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
-# flags for ansi2knr
-ANSI2KNRFLAGS=
-
-RANLIB=ranlib
-#RANLIB=echo
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-all: ansi2knr libpng.a pngtest
-
-# general rule to allow ansi2knr to work
-.c.o:
- ./ansi2knr $*.c T$*.c
- $(CC) $(CFLAGS) -c T$*.c
- rm -f T$*.c $*.o
- mv T$*.o $*.o
-
-ansi2knr: ansi2knr.c
- $(CC) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c
-
-libpng.a: ansi2knr $(OBJS)
- ar rc $@ $(OBJS)
- $(RANLIB) $@
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install: libpng.a png.h pngconf.h
- -@mkdir $(DESTDIR)$(INCPATH)
- -@mkdir $(DESTDIR)$(INCPATH)/libpng
- -@mkdir $(DESTDIR)$(LIBPATH)
- -@rm -f $(DESTDIR)$(INCPATH)/png.h
- -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
- cp png.h $(DESTDIR)$(INCPATH)/libpng
- cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
- (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
- cp libpng.a $(DESTDIR)$(LIBPATH)
- chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
-
-clean:
- rm -f *.o libpng.a pngtest pngout.png ansi2knr
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng.a and libpng12.so on Linux ELF with gcc
-# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs and
-# Glenn Randers-Pehrson
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=gcc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-# where "make install" puts libpng12.a, libpng12.so*,
-# libpng12/png.h and libpng12/pngconf.h
-# Prefix must be a full pathname.
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located.
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-ALIGN=
-# for i386:
-#ALIGN=-malign-loops=2 -malign-functions=2
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-# for pgcc version 2.95.1, -O3 is buggy; don't use it.
-
-CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \
- $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
-
-LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
-LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
- -o $(OLDSOVER) \
- $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-pngtest-static: pngtest.o libpng.a
- $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
-
-test: pngtest pngtest-static
- @echo ""
- @echo " Running pngtest dynamically linked with $(LIBSO):"
- @echo ""
- ./pngtest
- @echo ""
- @echo " Running pngtest statically linked with libpng.a:"
- @echo ""
- ./pngtest-static
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
- $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for mingw on x86
-# Builds both dll (with import lib) and static lib versions
-# of the library, and builds two copies of pngtest: one
-# statically linked and one dynamically linked.
-#
-# Built from makefile.cygwin
-# Copyright (C) 2002, 2006, 2008 Soren Anderson, Charles Wilson,
-# and Glenn Randers-Pehrson, based on makefile for linux-elf w/mmx by:
-# Copyright (C) 1998-2000, 2007 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-
-# This makefile intends to support building outside the src directory
-# if desired. When invoking it, specify an argument to SRCDIR on the
-# command line that points to the top of the directory where your source
-# is located.
-ifdef SRCDIR
-VPATH = $(SRCDIR)
-else
-SRCDIR = .
-endif
-
-# Override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-# If you're using a cross-compiler, add the appropriate prefix (e.g.,
-# "i386-mingw32msvc-") to the following three commands:
-CC=gcc
-AR=ar
-RANLIB=ranlib
-
-MKDIR_P=/bin/mkdir -pv
-
-# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
-ifndef prefix
-prefix=/usr
-$(warning "You haven't specified a 'prefix=' location. Defaulting to '/usr'")
-endif
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-ZLIBLIB= /usr/lib
-ZLIBINC=
-
-ALIGN=
-# for i386:
-#ALIGN=-malign-loops=2 -malign-functions=2
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-### if you don't need thread safety, but want the asm accel
-#CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_THREAD_UNSAFE_OK \
-# $(addprefix -I,$(ZLIBINC)) -W -Wall -O $(ALIGN) -funroll-loops \
-# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
-### if you need thread safety and want (minimal) asm accel
-#CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
-# -W -Wall -O $(ALIGN) -funroll-loops \
-# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
-### Normal (non-asm) compilation
-CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
- -W -Wall -O3 $(ALIGN) -funroll-loops -DPNG_NO_MMX_CODE \
- -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
-
-LIBNAME = libpng12
-PNGMAJ = 0
-MINGDLL = 12
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-SHAREDLIB=libpng$(MINGDLL).dll
-STATLIB=libpng.a
-IMPLIB=libpng.dll.a
-SHAREDDEF=libpng.def
-LIBS=$(SHAREDLIB) $(STATLIB)
-EXE=.exe
-
-LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz)
-LDSFLAGS=$(strip -shared -L. $(MINGW_LDFLAGS))
-LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-
-BINPATH=$(exec_prefix)/bin
-MANPATH=$(prefix)/man
-MAN3PATH=$(MANPATH)/man3
-MAN5PATH=$(MANPATH)/man5
-
-# cosmetic: shortened strings:
-S =$(SRCDIR)
-D =$(DESTDIR)
-DB =$(D)$(BINPATH)
-DI =$(D)$(INCPATH)
-DL =$(D)$(LIBPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-%.o : %.c
- $(CC) -c $(CFLAGS) -o $@ $<
-%.pic.o : CFLAGS += -DPNG_BUILD_DLL
-%.pic.o : %.c
- $(CC) -c $(CFLAGS) -o $@ $<
-
-all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config
-
-# Make this to verify that "make [...] install" will do what you want.
-buildsetup-tell:
- @echo VPATH is set to: \"$(VPATH)\"
- @echo prefix is set to: \"$(prefix)\"
- @echo -e INCPATH,LIBPATH, etc. are set to:'\n' \
- $(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \
- $(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n'
-
-libpng.pc: scripts/libpng.pc.in
- @echo -e Making pkg-config file for this libpng installation..'\n' \
- using PREFIX=\"$(prefix)\"'\n'
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in
- @echo -e Making $(LIBNAME) libpng-config file for this libpng \
- installation..'\n' using PREFIX=\"$(prefix)\"'\n'
- ( cat $(S)/scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libs=\"-lpng$(MINGDLL) -lz\"; \
- cat $(S)/scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-static: all-static
-shared: all-shared
-all-static: $(STATLIB) pngtest-stat$(EXE)
-all-shared: $(SHAREDLIB) pngtest$(EXE)
-
-$(STATLIB): $(OBJS)
- $(AR) rc $@ $(OBJS)
- $(RANLIB) $@
-
-$(SHAREDDEF): scripts/pngw32.def
- cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \
- sed -e 's/\([^;]*\);/;/' > $@
-
-$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)
- $(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA)
-
-pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)
- $(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
-
-pngtest-stat$(EXE): pngtest.o $(STATLIB)
- $(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@
-
-test: test-static test-shared
-
-test-static: pngtest-stat$(EXE)
- ./pngtest-stat $(S)/pngtest.png
-
-test-shared: pngtest$(EXE)
- ./pngtest $(S)/pngtest.png
-
-install-static: $(STATLIB) install-headers install-man
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a
- -@rm -f $(DL)/$(STATLIB)
- (cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))
-
-install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
- -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
- install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a
- -@rm -f $(DL)/$(IMPLIB)
- (cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))
- install -s -m 755 $(SHAREDLIB) $(DB)
- install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
-
-install-headers:
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- -@rm -f $(DI)/png.h
- -@rm -f $(DI)/pngconf.h
- install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)
- -@rm -f $(DI)/libpng
- (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
-
-install-man:
- -@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR_P) $(D)$(MAN3PATH); fi
- -@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR_P) $(D)$(MAN5PATH); fi
- install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)
- install -m 644 $(S)/png.5 $(D)$(MAN5PATH)
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@/bin/rm -f $(DB)/libpng-config
- -@/bin/rm -f $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
-
-# Run this to verify that a future `configure' run will pick up the settings
-# you want.
-test-config-install: SHELL=/bin/bash
-test-config-install: $(DB)/libpng-config
- @echo -e Testing libpng-config functions...'\n'
- @ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \
- do \
- printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \
- "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
- gytiu=$$(( $$gytiu + 1 )); \
- done
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) $(CFLAGS) \
- `$(BINPATH)/libpng12-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/libpng12-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) $(CFLAGS) \
- `$(BINPATH)/libpng12-config --cflags` pngtest.c \
- -L$(ZLIBLIB) \
- -o pngtesti$(EXE) `$(BINPATH)/libpng12-config --ldflags`
- ./pngtesti$(EXE) pngtest.png
-
-clean:
- /bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \
- pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \
- libpng-config libpng.pc pngtesti$(EXE)
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h png.c
-pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
-pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
-pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
-pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
-pngset.o pngset.pic.o: png.h pngconf.h pngset.c
-pngget.o pngget.pic.o: png.h pngconf.h pngget.c
-pngread.o pngread.pic.o: png.h pngconf.h pngread.c
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
-pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
-
-pngtest.o pngtest.pic.o: png.h pngconf.h pngtest.c
+++ /dev/null
-# makefile for libpng
-# Copyright (C) Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# where make install puts libpng.a and png.h
-prefix=/usr/local
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-CC=cc
-CFLAGS=-I../zlib -O -systype sysv -DSYSV -w -Dmips
-#CFLAGS=-O
-LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
-
-#RANLIB=ranlib
-RANLIB=echo
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-all: libpng.a pngtest
-
-libpng.a: $(OBJS)
- ar rc $@ $(OBJS)
- $(RANLIB) $@
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install: libpng.a
- -@mkdir $(DESTDIR)$(INCPATH)
- -@mkdir $(DESTDIR)$(INCPATH)/libpng
- -@mkdir $(DESTDIR)$(LIBPATH)
- -@rm -f $(DESTDIR)$(INCPATH)/png.h
- -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
- cp png.h $(DESTDIR)$(INCPATH)/libpng
- cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
- (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
- cp libpng.a $(DESTDIR)$(LIBPATH)
- chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
-
-clean:
- rm -f *.o libpng.a pngtest pngout.png
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# Copyright (C) 2006, 2009 Glenn Randers-Pehrson
-# For conditions of distribution and use, see copyright notice in png.h
-# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
-
-# -------- Microsoft C 5.1 and later, does not use assembler code --------
-MODEL=L
-CFLAGS=-Oait -Gs -nologo -W3 -A$(MODEL) -I..\zlib
-#-Ox generates bad code with MSC 5.1
-CC=cl
-LD=link
-LDFLAGS=/e/st:0x1500/noe
-O=.obj
-
-#uncomment next to put error messages in a file
-ERRFILE= >> pngerrs
-
-# variables
-OBJS1 = png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O)
-OBJS2 = pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O)
-OBJS3 = pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
-
-all: libpng.lib
-
-png$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngset$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngget$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngread$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngpread$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrtran$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrutil$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngerror$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngmem$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrio$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwio$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngtrans$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwrite$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwtran$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwutil$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3)
- del libpng.lib
- lib libpng $(OBJS1);
- lib libpng $(OBJS2);
- lib libpng $(OBJS3);
-
-pngtest$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngtest.exe: pngtest.obj libpng.lib
- $(LD) $(LDFLAGS) pngtest.obj,,,libpng.lib ..\zlib\zlib.lib ;
-
-test: pngtest.exe
- pngtest
-
-# End of makefile for libpng
-
+++ /dev/null
-# makefile for libpng for NetBSD for the standard
-# make obj && make depend && make && make test
-# make includes && make install
-# Copyright (C) 2002 Patrick R.L. Welche
-# Copyright (C) 2007, 2009 Glenn Randers-Pehrson
-# For conditions of distribution and use, see copyright notice in png.h
-
-# You should also run makefile.netbsd
-
-LOCALBASE?=/usr/local
-LIBDIR= ${LOCALBASE}/lib
-MANDIR= ${LOCALBASE}/man
-INCSDIR=${LOCALBASE}/include/libpng12
-
-LIB= png12
-SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.2.37
-SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
- pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
- pngwtran.c pngmem.c pngerror.c pngpread.c
-INCS= png.h pngconf.h
-MAN= libpng.3 libpngpf.3 png.5
-
-CPPFLAGS+=-I${.CURDIR}
-
-# We should be able to do something like this instead of the manual
-# uncommenting, but it core dumps for me at the moment:
-# .if ${MACHINE_ARCH} == "i386"
-# CPPFLAGS+=-DPNG_THREAD_UNSAFE_OK
-# MKLINT= no
-# .else
- CPPFLAGS+=-DPNG_NO_MMX_CODE
-# .endif
-
-CLEANFILES+=pngtest.o pngtest
-
-pngtest.o: pngtest.c
- ${CC} -c ${CPPFLAGS} ${CFLAGS} ${.ALLSRC} -o ${.TARGET}
-
-pngtest: pngtest.o libpng.a
- ${CC} ${LDFLAGS} ${.ALLSRC} -o${.TARGET} -lz -lm
-
-test: pngtest
- cd ${.CURDIR} && ${.OBJDIR}/pngtest
-
-.include <bsd.lib.mk>
+++ /dev/null
-# makefile for libpng for NetBSD for the standard
-# make obj && make depend && make && make test
-# make includes && make install
-# Copyright (C) 2002 Patrick R.L. Welche
-# Copyright (C) 2007, 2009 Glenn Randers-Pehrson
-# For conditions of distribution and use, see copyright notice in png.h
-
-# You should also run makefile.ne0bsd
-
-LOCALBASE?=/usr/local
-LIBDIR= ${LOCALBASE}/lib
-MANDIR= ${LOCALBASE}/man
-INCSDIR=${LOCALBASE}/include/libpng
-
-LIB= png
-SHLIB_MAJOR= 3
-SHLIB_MINOR= 1.2.37
-SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
- pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
- pngwtran.c pngmem.c pngerror.c pngpread.c
-INCS= png.h pngconf.h
-MAN= libpng.3 libpngpf.3 png.5
-
-CPPFLAGS+=-I${.CURDIR}
-
-# We should be able to do something like this instead of the manual
-# uncommenting, but it core dumps for me at the moment:
-# .if ${MACHINE_ARCH} == "i386"
-# CPPFLAGS+=-DPNG_THREAD_UNSAFE_OK
-# MKLINT= no
-# .else
- CPPFLAGS+=-DPNG_NO_MMX_CODE
-# .endif
-
-CLEANFILES+=pngtest.o pngtest
-
-pngtest.o: pngtest.c
- ${CC} -c ${CPPFLAGS} ${CFLAGS} ${.ALLSRC} -o ${.TARGET}
-
-pngtest: pngtest.o libpng.a
- ${CC} ${LDFLAGS} ${.ALLSRC} -o${.TARGET} -lz -lm
-
-test: pngtest
- cd ${.CURDIR} && ${.OBJDIR}/pngtest
-
-.include <bsd.lib.mk>
+++ /dev/null
-# makefile for libpng.a and libpng12.so on Linux ELF with gcc
-# Copyright (C) 1998, 1999, 2002, 2006-2008 Greg Roelofs and
-# Glenn Randers-Pehrson
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=gcc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-# where "make install" puts libpng12.a, libpng12.so*,
-# libpng12/png.h and libpng12/pngconf.h
-# Prefix must be a full pathname.
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located.
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-ALIGN=
-# for i386:
-#ALIGN=-malign-loops=2 -malign-functions=2
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-# for pgcc version 2.95.1, -O3 is buggy; don't use it.
-
-CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \
- $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
-
-LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
-LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! \
- -e s!Cflags: !Cflags:\ -DPNG_NO_MMX_CODE!> libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME) -DPNG_NO_MMX_CODE\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
- -o $(OLDSOVER) \
- $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-pngtest-static: pngtest.o libpng.a
- $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
-
-test: pngtest pngtest-static
- @echo ""
- @echo " Running pngtest dynamically linked with $(LIBSO):"
- @echo ""
- ./pngtest
- @echo ""
- @echo " Running pngtest statically linked with libpng.a:"
- @echo ""
- ./pngtest-static
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
- $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h png.c
-pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
-pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
-pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
-pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
-pngset.o pngset.pic.o: png.h pngconf.h pngset.c
-pngget.o pngget.pic.o: png.h pngconf.h pngget.c
-pngread.o pngread.pic.o: png.h pngconf.h pngread.c
-pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
-pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
-pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
-pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
-pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
-pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
-pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
-
-pngtest.o: png.h pngconf.h pngtest.c
+++ /dev/null
-# makefile for libpng
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# Copyright (C) 2007-2008 Glenn Randers-Pehrson
-# For conditions of distribution and use, see copyright notice in png.h
-
-PREFIX?= /usr/local
-LIBDIR= ${PREFIX}/lib
-MANDIR= ${PREFIX}/man/cat
-
-SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.2.37
-
-LIB= png
-SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \
- pngread.c pngrio.c pngrtran.c pngrutil.c pngset.c pngtrans.c \
- pngwio.c pngwrite.c pngwtran.c pngwutil.c
-
-HDRS= png.h pngconf.h
-
-CFLAGS+= -W -Wall
-CPPFLAGS+= -I${.CURDIR} -DPNG_NO_MMX_CODE
-
-NOPROFILE= Yes
-
-CLEANFILES+= pngtest.o pngtest
-
-MAN= libpng.3 libpngpf.3 png.5
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO libpng.txt
-
-pngtest.o: pngtest.c
- ${CC} ${CPPFLAGS} ${CFLAGS} -c ${.ALLSRC} -o ${.TARGET}
-
-pngtest: pngtest.o
- ${CC} ${LDFLAGS} ${.ALLSRC} -o ${.TARGET} -L${.OBJDIR} -lpng -lz -lm
-
-test: pngtest
- cd ${.OBJDIR} && env \
- LD_LIBRARY_PATH="${.OBJDIR}" ${.OBJDIR}/pngtest
-
-beforeinstall:
- if [ ! -d ${DESTDIR}${PREFIX}/include/libpng ]; then \
- ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/include/libpng; \
- fi
- if [ ! -d ${DESTDIR}${LIBDIR} ]; then \
- ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}; \
- fi
- if [ ! -d ${DESTDIR}${LIBDIR}/debug ]; then \
- ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}/debug; \
- fi
- if [ ! -d ${DESTDIR}${MANDIR}3 ]; then \
- ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}3; \
- fi
- if [ ! -d ${DESTDIR}${MANDIR}5 ]; then \
- ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}5; \
- fi
- if [ ! -d ${DESTDIR}${PREFIX}/share/doc/png ]; then \
- ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/share/doc/png; \
- fi
-
-afterinstall:
- @rm -f ${DESTDIR}${LIBDIR}/libpng_pic.a
- @rm -f ${DESTDIR}${LIBDIR}/debug/libpng.a
- @rm -f ${DESTDIR}${PREFIX}/include/png.h
- @rm -f ${DESTDIR}${PREFIX}/include/pngconf.h
- @rmdir ${DESTDIR}${LIBDIR}/debug 2>/dev/null || true
- ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
- -m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include/libpng
- ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
- -m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include
- ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
- -m ${NONBINMODE} ${DOCS} ${DESTDIR}${PREFIX}/share/doc/png
-
-.include <bsd.lib.mk>
+++ /dev/null
-# makefile for libpng on OS/2 with gcc
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Related files: pngos2.def
-
-CC=gcc -Zomf -s
-
-# Where the zlib library and include files are located
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) -W -Wall -O6 -funroll-loops -malign-loops=2 \
- -malign-functions=2 #$(WARNMORE) -g -DPNG_DEBUG=5
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lzdll -Zcrtdll
-AR=emxomfar
-
-PNGLIB=png.lib
-IMPLIB=emximp
-SHAREDLIB=png.dll
-SHAREDLIBIMP=pngdll.lib
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-.SUFFIXES: .c .o
-
-all: $(PNGLIB) $(SHAREDLIB) $(SHAREDLIBIMP)
-
-$(PNGLIB): $(OBJS)
- $(AR) rc $@ $(OBJS)
-
-$(SHAREDLIB): $(OBJS) pngos2.def
- $(CC) $(LDFLAGS) -Zdll -o $@ $^
-
-$(SHAREDLIBIMP): pngos2.def
- $(IMPLIB) -o $@ $^
-
-pngtest.exe: pngtest.o png.dll pngdll.lib
- $(CC) -o $@ $(CFLAGS) $< $(LDFLAGS)
-
-test: pngtest.exe
- ./pngtest.exe
-
-clean:
- rm -f *.o $(PNGLIB) png.dll pngdll.lib pngtest.exe pngout.png
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for SCO OSr5 ELF and Unixware 7 with Native cc
-# Contributed by Mike Hopkirk (hops@sco.com) modified from Makefile.lnx
-# force ELF build dynamic linking, SONAME setting in lib and RPATH in app
-# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
-# Copyright (C) 1998 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-CC=cc
-AR_RC=ar rc
-MKDIR_P=mkdir
-LN_SF=ln -f -s
-RANLIB=echo
-RM_F=/bin/rm -f
-
-# where make install puts libpng.a, $(OLDSO)*, and png.h
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-CFLAGS= -dy -belf -I$(ZLIBINC) -O3 -DPNG_NO_MMX_CODE
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
-
-INCPATH=$(prefix)/include/libpng
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo ccopts=\"-belf\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- $(CC) -G -Wl,-h,$(LIBSOMAJ) -o $(LIBSOVER) \
- $(OBJSDLL)
-
-$(OLDSOVER): $(OBJSDLL)
- $(CC) -G -Wl,-h,$(OLDSOMAJ) -o $(OLDSOVER) \
- $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- LD_RUN_PATH=.:$(ZLIBLIB) $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- -@$(RM_F) $(DI)/png.h
- -@$(RM_F) $(DI)/pngconf.h
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) $(CFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) $(CFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
- $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng.a and libpng12.so, SGI IRIX with 'cc'
-# Copyright (C) 2001-2002, 2006 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME=libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=gcc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=echo
-RM_F=/bin/rm -f
-
-# Where make install puts libpng.a, libpng12.so, and libpng12/png.h
-# Prefix must be a full pathname.
-
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-#ZLIBLIB=/usr/local/lib32
-#ZLIBINC=/usr/local/include
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-# ABI can be blank to use default for your system, -32, -o32, -n32, or -64
-# See "man abi". zlib must be built with the same ABI.
-ABI=
-
-WARNMORE= # -g -DPNG_DEBUG=5
-CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -fPIC -mabi=n32 -DPNG_NO_MMX_CODE
-LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
-LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \
- -set_version sgi$(PNGMAJ).0
-LDLEGACY=cc $(ABI) -shared -soname $(OLDSOMAJ) \
- -set_version sgi$3.0
-# See "man dso" for info about shared objects
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-#LIBPATH=$(exec_prefix)/lib32
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-all: libpng.a pngtest shared libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-shared: $(LIBSOVER)
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo ccopts=\"$(ABI)\"; \
- echo cppflags=\"-DPNG_NO_MMX_CODE\"; \
- echo ldopts=\"$(ABI)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libdir=\"$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJS)
- $(LDSHARED) -o $@ $(OBJS)
- $(RM_F) $(LIBSO) $(LIBSOMAJ)
-
-$(OLDSOVER): $(OBJS)
- $(LDLEGACY) -o $@ $(OBJS)
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- echo
- echo Testing local static library.
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) \
- -rpath $(ZLIBLIB):$(DL) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) \
- -rpath $(ZLIBLIB):`$(BINPATH)/$(LIBNAME)-config --libdir` \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) libpng.a pngtest pngtesti pngout.png libpng.pc \
- so_locations libpng-config $(LIBSO) $(LIBSOMAJ)* $(OLDSOVER)
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng.a and libpng12.so, SGI IRIX with 'cc'
-# Copyright (C) 2001-2002, 2006, 2007 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME=libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=cc
-MKDIR_P=mkdir -p
-LN_SF=ln -sf
-RANLIB=echo
-RM_F=/bin/rm -f
-
-# Where make install puts libpng.a, libpng12.so, and libpng12/png.h
-# Prefix must be a full pathname.
-
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-#ZLIBLIB=/usr/local/lib32
-#ZLIBINC=/usr/local/include
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-# ABI can be blank to use default for your system, -32, -o32, -n32, or -64
-# See "man abi". zlib must be built with the same ABI.
-ABI=
-
-WARNMORE=-fullwarn
-# Note: -KPIC is the default anyhow
-#CFLAGS= $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -KPIC -DPNG_NO_MMX_CODE # -g -DPNG_DEBUG=5
-CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -DPNG_NO_MMX_CODE
-LDFLAGS_A=$(ABI) -L. -L$(ZLIBLIB) -lpng12 -lz -lm
-LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
-LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \
- -set_version sgi$(PNGMAJ).0
-LDLEGACY=cc $(ABI) -shared -soname $(OLDSOMAJ) \
- -set_version sgi$3.0
-# See "man dso" for info about shared objects
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-#LIBPATH=$(exec_prefix)/lib32
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-all: libpng.a pngtest shared libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-shared: $(LIBSOVER)
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo cppflags=\"-DPNG_NO_MMX_CODE\"; \
- echo ccopts=\"$(ABI)\"; \
- echo ldopts=\"$(ABI)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo libdir=\"$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJS)
- $(LDSHARED) -o $@ $(OBJS)
- $(RM_F) $(LIBSO) $(LIBSOMAJ)
-
-$(OLDSOVER): $(OBJS)
- $(LDLEGACY) -o $@ $(OBJS)
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- echo
- echo Testing local static library.
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) \
- -rpath $(ZLIBLIB):$(DL) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) \
- -rpath $(ZLIBLIB):`$(BINPATH)/$(LIBNAME)-config --libdir` \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png libpng.pc libpng-config \
- $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- so_locations
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng on Solaris 9 (beta) with Forte cc
-# Updated by Chad Schrock for Solaris 9
-# Contributed by William L. Sebok, based on makefile.linux
-# Copyright (C) 2002, 2006, 2008 Glenn Randers-Pehrson
-# Copyright (C) 1998-2001 Greg Roelofs
-# Copyright (C) 1996-1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-LIBNAME = libpng12
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-# gcc 2.95 doesn't work.
-CC=cc
-AR_RC=ar rc
-MKDIR_P=mkdir -p
-LN_SF=ln -f -s
-RANLIB=echo
-RM_F=/bin/rm -f
-
-# Where make install puts libpng.a, $(OLDSO)*, and png.h
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-# Changing these to ../zlib poses a security risk. If you want
-# to have zlib in an adjacent directory, specify the full path instead of "..".
-#ZLIBLIB=../zlib
-#ZLIBINC=../zlib
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-#Use the preinstalled zlib that comes with Solaris 9:
-ZLIBLIB=/usr/lib
-ZLIBINC=/usr/include
-
-#WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-#CFLAGS=-I$(ZLIBINC) -W -Wall -O3 $(WARNMORE) -g -DPNG_DEBUG=5 -DPNG_NO_MMX_CODE
-CFLAGS=-I$(ZLIBINC) -O3 -DPNG_NO_MMX_CODE
-LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-R$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- @case "`type ld`" in *ucb*) \
- echo; \
- echo '## WARNING:'; \
- echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
- echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
- echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
- echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
- echo '## at all. If it is, things are likely to break because of'; \
- echo '## the libucb dependency that is created.'; \
- echo; \
- ;; \
- esac
- $(LD) -G -h $(LIBSOMAJ) \
- -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJS)
- $(LD) -G -h $(OLDSOMAJ) \
- -o $(OLDSOVER) $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
- $(LN_SF) $(LIBSOMAJ) $(LIBSO))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL)
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- -L$(ZLIBLIB) -R$(ZLIBLIB)
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng on Solaris 2.x with gcc
-# Copyright (C) 2004, 2006-2008 Glenn Randers-Pehrson
-# Contributed by William L. Sebok, based on makefile.linux
-# Copyright (C) 1998 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=gcc
-MKDIR_P=mkdir -p
-LN_SF=ln -f -s
-RANLIB=echo
-RM_F=/bin/rm -f
-
-# Where make install puts libpng.a, libpng12.so*, and png.h
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-# Changing these to ../zlib poses a security risk. If you want
-# to have zlib in an adjacent directory, specify the full path instead of "..".
-#ZLIBLIB=../zlib
-#ZLIBINC=../zlib
-
-ZLIBLIB=/usr/local/lib
-ZLIBINC=/usr/local/include
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) -W -Wall -O -DPNG_NO_MMX_CODE; \
- # $(WARNMORE) -g -DPNG_DEBUG=5
-LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo cppflags=\"-DPNG_NO_MMX_CODE\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-R$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- @case "`type ld`" in *ucb*) \
- echo; \
- echo '## WARNING:'; \
- echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
- echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
- echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
- echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
- echo '## at all. If it is, things are likely to break because of'; \
- echo '## the libucb dependency that is created.'; \
- echo; \
- ;; \
- esac
- $(LD) -G -h $(LIBSOMAJ) \
- -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJS)
- $(LD) -G -h $(OLDSOMAJ) \
- -o $(OLDSOVER) $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL)
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- -L$(ZLIBLIB) -R$(ZLIBLIB)
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng on Solaris 2.x with gcc
-# Copyright (C) 2004, 2006-2008 Glenn Randers-Pehrson
-# Contributed by William L. Sebok, based on makefile.linux
-# Copyright (C) 1998 Greg Roelofs
-# Copyright (C) 1996, 1997 Andreas Dilger
-# For conditions of distribution and use, see copyright notice in png.h
-
-# Library name:
-LIBNAME = libpng12
-PNGMAJ = 0
-PNGMIN = 1.2.37
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
-# Shared library names:
-LIBSO=$(LIBNAME).so
-LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOVER=$(LIBNAME).so.$(PNGVER)
-OLDSO=libpng.so
-OLDSOMAJ=libpng.so.3
-OLDSOVER=libpng.so.3.$(PNGMIN)
-
-# Utilities:
-AR_RC=ar rc
-CC=gcc
-MKDIR_P=mkdir -p
-LN_SF=ln -f -s
-RANLIB=echo
-RM_F=/bin/rm -f
-
-# Where make install puts libpng.a, libpng12.so*, and png.h
-prefix=/usr/local
-exec_prefix=$(prefix)
-
-# Where the zlib library and include files are located
-# Changing these to ../zlib poses a security risk. If you want
-# to have zlib in an adjacent directory, specify the full path instead of "..".
-#ZLIBLIB=../zlib
-#ZLIBINC=../zlib
-
-ZLIBLIB=/usr/local/lib
-ZLIBINC=/usr/local/include
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-CFLAGS=-I$(ZLIBINC) -W -Wall -O \
- # $(WARNMORE) -g -DPNG_DEBUG=5
-LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-OBJSDLL = $(OBJS:.o=.pic.o)
-
-.SUFFIXES: .c .o .pic.o
-
-.c.pic.o:
- $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
-
-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo cppflags=\""; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-R$(LIBPATH)\"; \
- echo libs=\"-lpng12 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
-$(LIBSO): $(LIBSOMAJ)
- $(LN_SF) $(LIBSOMAJ) $(LIBSO)
-
-$(LIBSOMAJ): $(LIBSOVER)
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
-
-$(LIBSOVER): $(OBJSDLL)
- @case "`type ld`" in *ucb*) \
- echo; \
- echo '## WARNING:'; \
- echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
- echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
- echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
- echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
- echo '## at all. If it is, things are likely to break because of'; \
- echo '## the libucb dependency that is created.'; \
- echo; \
- ;; \
- esac
- $(LD) -G -h $(LIBSOMAJ) \
- -o $(LIBSOVER) $(OBJSDLL)
-
-$(OLDSOVER): $(OBJS)
- $(LD) -G -h $(OLDSOMAJ) \
- -o $(OLDSOVER) $(OBJSDLL)
-
-pngtest: pngtest.o $(LIBSO)
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install-headers: png.h pngconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOVER) libpng.pc \
- $(OLDSOVER)
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSO)
- -@$(RM_F) $(DL)/$(OLDSOMAJ)
- -@$(RM_F) $(DL)/$(OLDSOVER)*
- cp $(LIBSOVER) $(DL)
- cp $(OLDSOVER) $(DL)
- chmod 755 $(DL)/$(LIBSOVER)
- chmod 755 $(DL)/$(OLDSOVER)
- (cd $(DL); \
- $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
- $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSO); \
- $(LN_SF) $(LIBSOVER) $(LIBSOMAJ))
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL)
- ./pngtestd pngtest.png
-
-test-installed:
- echo
- echo Testing installed dynamic shared library.
- $(CC) -I$(ZLIBINC) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \
- -L$(ZLIBLIB) -R$(ZLIBLIB)
- ./pngtesti pngtest.png
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
- libpng-config $(LIBSO) $(LIBSOMAJ)* \
- $(OLDSOVER) \
- libpng.pc
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o png.pic.o: png.h pngconf.h
-pngerror.o pngerror.pic.o: png.h pngconf.h
-pngrio.o pngrio.pic.o: png.h pngconf.h
-pngwio.o pngwio.pic.o: png.h pngconf.h
-pngmem.o pngmem.pic.o: png.h pngconf.h
-pngset.o pngset.pic.o: png.h pngconf.h
-pngget.o pngget.pic.o: png.h pngconf.h
-pngread.o pngread.pic.o: png.h pngconf.h
-pngrtran.o pngrtran.pic.o: png.h pngconf.h
-pngrutil.o pngrutil.pic.o: png.h pngconf.h
-pngtrans.o pngtrans.pic.o: png.h pngconf.h
-pngwrite.o pngwrite.pic.o: png.h pngconf.h
-pngwtran.o pngwtran.pic.o: png.h pngconf.h
-pngwutil.o pngwutil.pic.o: png.h pngconf.h
-pngpread.o pngpread.pic.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng
-# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# where make install puts libpng.a and png.h
-prefix=/usr/local
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-# Where the zlib library and include files are located
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-CC=cc
-AR_RC=ar rc
-MKDIR_P=mkdir
-LN_SF=ln -sf
-RANLIB=ranlib
-RM_F=rm -f
-
-CFLAGS=-I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-all: libpng.a pngtest
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install: libpng.a
- -@$(MKDIR_P) $(DESTDIR)$(INCPATH)
- -@$(MKDIR_P) $(DESTDIR)$(INCPATH)/libpng
- -@$(MKDIR_P) $(DESTDIR)$(LIBPATH)
- -@$(RM_F) $(DESTDIR)$(INCPATH)/png.h
- -@$(RM_F) $(DESTDIR)$(INCPATH)/pngconf.h
- cp png.h $(DESTDIR)$(INCPATH)/libpng
- cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
- (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
- cp libpng.a $(DESTDIR)$(LIBPATH)
- chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# makefile for libpng
-# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# where make install puts libpng.a and png.h
-prefix=/usr/local
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location. Example:
-#
-# make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
-# you execute make install.
-DESTDIR=
-
-# Where the zlib library and include files are located
-#ZLIBLIB=/usr/local/lib
-#ZLIBINC=/usr/local/include
-ZLIBLIB=../zlib
-ZLIBINC=../zlib
-
-
-WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow -Wconversion \
- -Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes
-
-CC=gcc
-AR_RC=ar rc
-MKDIR_P=mkdir -p
-LN_SF=ln -f -s
-RANLIB=ranlib
-RM_F=/bin/rm -f
-
-CFLAGS=-I$(ZLIBINC) -O # $(WARNMORE) -DPNG_DEBUG=5
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
-
-all: libpng.a pngtest
-
-libpng.a: $(OBJS)
- $(AR_RC) $@ $(OBJS)
- $(RANLIB) $@
-
-pngtest: pngtest.o libpng.a
- $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
-
-test: pngtest
- ./pngtest
-
-install: libpng.a
- -@$(MKDIR_P) $(DESTDIR)$(INCPATH)
- -@$(MKDIR_P) $(DESTDIR)$(INCPATH)/libpng
- -@$(MKDIR_P) $(DESTDIR)$(LIBPATH)
- -@$(RM_F) $(DESTDIR)$(INCPATH)/png.h
- -@$(RM_F) $(DESTDIR)$(INCPATH)/pngconf.h
- cp png.h $(DESTDIR)$(INCPATH)/libpng
- cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
- chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
- (cd $(DESTDIR)$(INCPATH); $(LN_SF) libpng/* .)
- cp libpng.a $(DESTDIR)$(LIBPATH)
- chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
-
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png
-
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-
-pngtest.o: png.h pngconf.h
+++ /dev/null
-# Makefile for libpng
-# TurboC/C++ (Note: All modules are compiled in C mode)
-
-# To use, do "make -fmakefile.tc3"
-
-# ----- Turbo C 3.00 (can be modified to work with earlier versions) -----
-
-MODEL=l
-CFLAGS=-O2 -Z -m$(MODEL) -I..\zlib
-#CFLAGS=-D_NO_PROTO -O2 -Z -m$(MODEL) -I..\zlib # Turbo C older than 3.00
-CC=tcc
-LD=tcc
-LIB=tlib
-LDFLAGS=-m$(MODEL) -L..\zlib
-O=.obj
-E=.exe
-
-# variables
-OBJS1 = png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O)
-OBJS2 = pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O)
-OBJS3 = pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
-OBJSL1 = +png$(O) +pngset$(O) +pngget$(O) +pngrutil$(O) +pngtrans$(O)
-OBJSL2 = +pngwutil$(O) +pngmem$(O) +pngpread$(O) +pngread$(O) +pngerror$(O)
-OBJSL3 = +pngwrite$(O) +pngrtran$(O) +pngwtran$(O) +pngrio$(O) +pngwio$(O)
-
-all: libpng$(MODEL).lib pngtest$(E)
-
-pngtest: pngtest$(E)
-
-test: pngtest$(E)
- pngtest$(E)
-
-png$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngset$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngget$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngread$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngpread$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngrtran$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngrutil$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngerror$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngmem$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngrio$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngwio$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngtest$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngtrans$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngwrite$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngwtran$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-pngwutil$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-libpng$(MODEL).lib: $(OBJS1) $(OBJS2) $(OBJS3)
- $(LIB) libpng$(MODEL) +$(OBJSL1)
- $(LIB) libpng$(MODEL) +$(OBJSL2)
- $(LIB) libpng$(MODEL) +$(OBJSL3)
-
-pngtest$(E): pngtest$(O) libpng$(MODEL).lib
- $(LD) $(LDFLAGS) pngtest.obj libpng$(MODEL).lib zlib_$(MODEL).lib
-
-# End of makefile for libpng
+++ /dev/null
-# makefile for libpng
-# Copyright (C) 2006,2009 Glenn Randers-Pehrson
-# Copyright (C) 1998 Tim Wegner
-# For conditions of distribution and use, see copyright notice in png.h
-# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
-# To use, do "nmake /f scripts\makefile.vcawin32"
-
-# -------- Microsoft Visual C++ 2.0 and later, no assembler code --------
-# If you don't want to use assembler (MMX) code, use makefile.vcwin32 instead.
-
-# Compiler, linker, librarian, and other tools
-CC = cl
-LD = link
-AR = lib
-CFLAGS = -nologo -DPNG_USE_PNGVCRD -MD -O2 -W3 -I..\zlib
-LDFLAGS = -nologo
-ARFLAGS = -nologo
-RM = del
-
-# File extensions
-O=.obj
-
-#uncomment next to put error messages in a file
-#ERRFILE= >> pngerrs.log
-
-# Variables
-OBJS1 = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O)
-OBJS2 = pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O)
-OBJS3 = pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
-OBJS = $(OBJS1) $(OBJS2) $(OBJS3)
-
-# Targets
-all: libpng.lib
-
-png$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngset$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngget$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngread$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngpread$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrtran$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrutil$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngerror$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngmem$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrio$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwio$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngtrans$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwrite$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwtran$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwutil$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-libpng.lib: $(OBJS)
- -$(RM) $@
- $(AR) $(ARFLAGS) -out:$@ $(OBJS) $(ERRFILE)
-
-pngtest$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngtest.exe: pngtest$(O) libpng.lib
- $(LD) $(LDFLAGS) -out:$@ pngtest$(O) libpng.lib ..\zlib\zlib.lib $(ERRFILE)
-
-test: pngtest.exe
- pngtest
-
-clean:
- -$(RM) *$(O)
- -$(RM) libpng.lib
- -$(RM) pngtest.exe
- -$(RM) pngout.png
-
-# End of makefile for libpng
-
+++ /dev/null
-# makefile for libpng
-# Copyright (C) 1998 Tim Wegner
-# Copyright (C) 2006,2009 Glenn Randers-Pehrson
-# For conditions of distribution and use, see copyright notice in png.h
-# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
-# To use, do "nmake /f scripts\makefile.vcwin32"
-
-# -------- Microsoft Visual C++ 2.0 and later, no assembler code --------
-# If you want to use assembler (MMX) code, use makefile.vcawin32 instead.
-
-# Compiler, linker, librarian, and other tools
-CC = cl
-LD = link
-AR = lib
-CFLAGS = -nologo -DPNG_NO_MMX_CODE -MD -O2 -W3 -I..\zlib
-LDFLAGS = -nologo
-ARFLAGS = -nologo
-RM = del
-
-# File extensions
-O=.obj
-
-#uncomment next to put error messages in a file
-#ERRFILE= >> pngerrs.log
-
-# Variables
-OBJS1 = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O)
-OBJS2 = pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O)
-OBJS3 = pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
-OBJS = $(OBJS1) $(OBJS2) $(OBJS3)
-
-# Targets
-all: libpng.lib
-
-png$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngset$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngget$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngread$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngpread$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrtran$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrutil$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngerror$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngmem$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngrio$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwio$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngtrans$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwrite$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwtran$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngwutil$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-libpng.lib: $(OBJS)
- -$(RM) $@
- $(AR) $(ARFLAGS) -out:$@ $(OBJS) $(ERRFILE)
-
-pngtest$(O): png.h pngconf.h
- $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
-pngtest.exe: pngtest$(O) libpng.lib
- $(LD) $(LDFLAGS) -out:$@ pngtest$(O) libpng.lib ..\zlib\zlib.lib $(ERRFILE)
-
-test: pngtest.exe
- pngtest
-
-clean:
- -$(RM) *$(O)
- -$(RM) libpng.lib
- -$(RM) pngtest.exe
- -$(RM) pngout.png
-
-# End of makefile for libpng
-
+++ /dev/null
-# Makefile for libpng
-# Watcom C/C++ 10.0 and later, 32-bit protected mode, flat memory model
-
-# Copyright (C) 2000, Pawel Mrochen, based on makefile.msc which is
-# copyright 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
-
-# To use, do "wmake /f scripts\makefile.watcom"
-
-
-# ---------------------- Watcom C/C++ 10.0 and later -----------------------
-
-# Where the zlib library and include files are located
-ZLIBLIB=..\zlib
-ZLIBINC=..\zlib
-
-# Target OS
-OS=DOS
-#OS=NT
-
-# Target CPU
-CPU=6 # Pentium Pro
-#CPU=5 # Pentium
-
-# Calling convention
-CALLING=r # registers
-#CALLING=s # stack
-
-# Uncomment next to put error messages in a file
-#ERRFILE=>>pngerrs
-
-# --------------------------------------------------------------------------
-
-
-CC=wcc386
-CFLAGS=-$(CPU)$(CALLING) -fp$(CPU) -fpi87 -oneatx -mf -bt=$(OS) -i=$(ZLIBINC) -zq
-LD=wcl386
-LDFLAGS=-zq
-
-O=.obj
-
-OBJS1=png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O)
-OBJS2=pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O)
-OBJS3=pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
-
-
-all: test
-
-png$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngset$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngget$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngread$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngpread$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngrtran$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngrutil$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngerror$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngmem$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngrio$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngwio$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngtest$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngtrans$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngwrite$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngwtran$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngwutil$(O): png.h pngconf.h
- $(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3)
- wlib -b -c -n -q libpng.lib $(OBJS1)
- wlib -b -c -q libpng.lib $(OBJS2)
- wlib -b -c -q libpng.lib $(OBJS3)
-
-pngtest.exe: pngtest.obj libpng.lib
- $(LD) $(LDFLAGS) pngtest.obj libpng.lib $(ZLIBLIB)\zlib.lib
-
-test: pngtest.exe .symbolic
- pngtest.exe
-
-
-# End of makefile for libpng
+++ /dev/null
-$! make libpng under VMS
-$!
-$!
-$! Check for MMK/MMS
-$!
-$! This procedure accepts one parameter (contrib), which causes it to build
-$! the programs from the contrib directory instead of libpng.
-$!
-$ p1 = f$edit(p1,"UPCASE")
-$ if p1 .eqs. "CONTRIB"
-$ then
-$ set def [.contrib.gregbook]
-$ @makevms
-$ set def [-.pngminus]
-$ @makevms
-$ set def [--]
-$ exit
-$ endif
-$ Make = ""
-$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS"
-$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK"
-$!
-$! Look for the compiler used
-$!
-$ zlibsrc = "[-.zlib]"
-$ ccopt="/include=''zlibsrc'"
-$ if f$getsyi("HW_MODEL").ge.1024
-$ then
-$ ccopt = "/prefix=all"+ccopt
-$ comp = "__decc__=1"
-$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
-$ else
-$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs.""
-$ then
-$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
-$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs.""
-$ then
-$ comp = "__gcc__=1"
-$ CC :== GCC
-$ else
-$ comp = "__vaxc__=1"
-$ endif
-$ else
-$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include:
-$ ccopt = "/decc/prefix=all"+ccopt
-$ comp = "__decc__=1"
-$ endif
-$ endif
-$!
-$! Build the thing plain or with mms/mmk
-$!
-$ write sys$output "Compiling Libpng sources ..."
-$ if make.eqs.""
-$ then
-$ dele pngtest.obj;*
-$ CALL MAKE png.OBJ "cc ''CCOPT' png" -
- png.c png.h pngconf.h
-$ CALL MAKE pngset.OBJ "cc ''CCOPT' pngset" -
- pngset.c png.h pngconf.h
-$ CALL MAKE pngget.OBJ "cc ''CCOPT' pngget" -
- pngget.c png.h pngconf.h
-$ CALL MAKE pngread.OBJ "cc ''CCOPT' pngread" -
- pngread.c png.h pngconf.h
-$ CALL MAKE pngpread.OBJ "cc ''CCOPT' pngpread" -
- pngpread.c png.h pngconf.h
-$ CALL MAKE pngrtran.OBJ "cc ''CCOPT' pngrtran" -
- pngrtran.c png.h pngconf.h
-$ CALL MAKE pngrutil.OBJ "cc ''CCOPT' pngrutil" -
- pngrutil.c png.h pngconf.h
-$ CALL MAKE pngerror.OBJ "cc ''CCOPT' pngerror" -
- pngerror.c png.h pngconf.h
-$ CALL MAKE pngmem.OBJ "cc ''CCOPT' pngmem" -
- pngmem.c png.h pngconf.h
-$ CALL MAKE pngrio.OBJ "cc ''CCOPT' pngrio" -
- pngrio.c png.h pngconf.h
-$ CALL MAKE pngwio.OBJ "cc ''CCOPT' pngwio" -
- pngwio.c png.h pngconf.h
-$ CALL MAKE pngtrans.OBJ "cc ''CCOPT' pngtrans" -
- pngtrans.c png.h pngconf.h
-$ CALL MAKE pngwrite.OBJ "cc ''CCOPT' pngwrite" -
- pngwrite.c png.h pngconf.h
-$ CALL MAKE pngwtran.OBJ "cc ''CCOPT' pngwtran" -
- pngwtran.c png.h pngconf.h
-$ CALL MAKE pngwutil.OBJ "cc ''CCOPT' pngwutil" -
- pngwutil.c png.h pngconf.h
-$ write sys$output "Building Libpng ..."
-$ CALL MAKE libpng.OLB "lib/crea libpng.olb *.obj" *.OBJ
-$ write sys$output "Building pngtest..."
-$ CALL MAKE pngtest.OBJ "cc ''CCOPT' pngtest" -
- pngtest.c png.h pngconf.h
-$ call make pngtest.exe -
- "LINK pngtest,libpng.olb/lib,''zlibsrc'libz.olb/lib" -
- pngtest.obj libpng.olb
-$ write sys$output "Testing Libpng..."
-$ run pngtest
-$ else
-$ if f$search("DESCRIP.MMS") .eqs. "" then copy/nolog [.SCRIPTS]DESCRIP.MMS []
-$ 'make'/macro=('comp',zlibsrc='zlibsrc')
-$ endif
-$ write sys$output "Libpng build completed"
-$ exit
-$!
-$!
-$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES
-$ V = 'F$Verify(0)
-$! P1 = What we are trying to make
-$! P2 = Command to make it
-$! P3 - P8 What it depends on
-$
-$ If F$Search(P1) .Eqs. "" Then Goto Makeit
-$ Time = F$CvTime(F$File(P1,"RDT"))
-$arg=3
-$Loop:
-$ Argument = P'arg
-$ If Argument .Eqs. "" Then Goto Exit
-$ El=0
-$Loop2:
-$ File = F$Element(El," ",Argument)
-$ If File .Eqs. " " Then Goto Endl
-$ AFile = ""
-$Loop3:
-$ OFile = AFile
-$ AFile = F$Search(File)
-$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl
-$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit
-$ Goto Loop3
-$NextEL:
-$ El = El + 1
-$ Goto Loop2
-$EndL:
-$ arg=arg+1
-$ If arg .Le. 8 Then Goto Loop
-$ Goto Exit
-$
-$Makeit:
-$ VV=F$VERIFY(0)
-$ write sys$output P2
-$ 'P2
-$ VV='F$Verify(VV)
-$Exit:
-$ If V Then Set Verify
-$ENDSUBROUTINE
+++ /dev/null
-;----------------------------------------
-; PNG.LIB module definition file for OS/2
-;----------------------------------------
-
-; Version 1.2.37
-
-LIBRARY PNG
-DESCRIPTION "PNG image compression library for OS/2"
-CODE PRELOAD MOVEABLE DISCARDABLE
-DATA PRELOAD MOVEABLE MULTIPLE
-
-EXPORTS
-
-
- png_build_grayscale_palette
- png_check_sig
- png_chunk_error
- png_chunk_warning
- png_convert_from_struct_tm
- png_convert_from_time_t
- png_create_info_struct
- png_create_read_struct
- png_create_write_struct
- png_data_freer
- png_destroy_info_struct
- png_destroy_read_struct
- png_destroy_write_struct
- png_error
- png_free
- png_free_data
- png_get_IHDR
- png_get_PLTE
- png_get_bKGD
- png_get_bit_depth
- png_get_cHRM
- png_get_cHRM_fixed
- png_get_channels
- png_get_color_type
- png_get_compression_buffer_size
- png_get_compression_type
- png_get_copyright
- png_get_error_ptr
- png_get_filter_type
- png_get_gAMA
- png_get_gAMA_fixed
- png_get_hIST
- png_get_header_ver
- png_get_header_version
- png_get_iCCP
- png_get_image_height
- png_get_image_width
- png_get_interlace_type
- png_get_io_ptr
- png_get_libpng_ver
- png_get_oFFs
- png_get_pCAL
- png_get_pHYs
- png_get_pixel_aspect_ratio
- png_get_pixels_per_meter
- png_get_progressive_ptr
- png_get_rgb_to_gray_status
- png_get_rowbytes
- png_get_rows
- png_get_sBIT
- png_get_sCAL
- png_get_sPLT
- png_get_sRGB
- png_get_signature
- png_get_tIME
- png_get_tRNS
- png_get_text
- png_get_unknown_chunks
- png_get_user_chunk_ptr
- png_get_user_transform_ptr
- png_get_valid
- png_get_x_offset_microns
- png_get_x_offset_pixels
- png_get_x_pixels_per_meter
- png_get_y_offset_microns
- png_get_y_offset_pixels
- png_get_y_pixels_per_meter
- png_malloc
- png_memcpy_check
- png_memset_check
- png_permit_empty_plte
- png_process_data
- png_progressive_combine_row
- png_read_end
- png_read_image
- png_read_info
-; png_read_init ; deprecated
- png_read_png
- png_read_row
- png_read_rows
- png_read_update_info
- png_reset_zstream
- png_set_IHDR
- png_set_PLTE
- png_set_bKGD
- png_set_background
- png_set_bgr
- png_set_cHRM
- png_set_cHRM_fixed
- png_set_compression_buffer_size
- png_set_compression_level
- png_set_compression_mem_level
- png_set_compression_method
- png_set_compression_strategy
- png_set_compression_window_bits
- png_set_crc_action
- png_set_dither
- png_set_error_fn
- png_set_expand
- png_set_filler
- png_set_filter
- png_set_filter_heuristics
- png_set_flush
- png_set_gAMA
- png_set_gAMA_fixed
- png_set_gamma
-; png_set_gray_1_2_4_to_8 ; deprecated as of libpng-1.2.9
- png_set_gray_to_rgb
- png_set_hIST
- png_set_iCCP
- png_set_interlace_handling
- png_set_invert_alpha
- png_set_invert_mono
- png_set_keep_unknown_chunks
- png_set_oFFs
- png_set_pCAL
- png_set_pHYs
- png_set_packing
- png_set_packswap
- png_set_palette_to_rgb
- png_set_progressive_read_fn
- png_set_read_fn
- png_set_read_status_fn
- png_set_read_user_chunk_fn
- png_set_read_user_transform_fn
- png_set_rgb_to_gray
- png_set_rgb_to_gray_fixed
- png_set_rows
- png_set_sBIT
- png_set_sCAL
- png_set_sPLT
- png_set_sRGB
- png_set_sRGB_gAMA_and_cHRM
- png_set_shift
- png_set_sig_bytes
- png_set_strip_16
- png_set_strip_alpha
- png_set_swap
- png_set_swap_alpha
- png_set_tIME
- png_set_tRNS
- png_set_tRNS_to_alpha
- png_set_text
- png_set_unknown_chunk_location
- png_set_unknown_chunks
- png_set_user_transform_info
- png_set_write_fn
- png_set_write_status_fn
- png_set_write_user_transform_fn
- png_sig_cmp
- png_start_read_image
- png_warning
- png_write_chunk
- png_write_chunk_data
- png_write_chunk_end
- png_write_chunk_start
- png_write_end
- png_write_flush
- png_write_image
- png_write_info
- png_write_info_before_PLTE
-; png_write_init ; deprecated
- png_write_png
- png_write_row
- png_write_rows
- png_read_init_2
- png_write_init_2
- png_access_version_number
- png_init_io
- png_convert_to_rfc1123
- png_set_invalid
-
-; Added at version 1.2.0:
- png_mmx_support
- png_permit_empty_plte
- png_permit_mng_features
- png_get_mmx_flagmask
- png_get_asm_flagmask
- png_get_asm_flags
- png_get_mmx_bitdepth_threshold
- png_get_mmx_rowbytes_threshold
- png_set_asm_flags
- png_init_mmx_flags
-
-; Added at version 1.2.2:
- png_handle_as_unknown
-
-; Added at version 1.2.2 and deleted from 1.2.3:
-; png_zalloc
-; png_zfree
-
-; Added at version 1.2.4
- png_malloc_warn
-
-; Added at version 1.2.6
- png_set_user_limits
- png_get_user_height_max
- png_get_user_width_max
-; Added at version 1.2.7
- png_set_add_alpha
-
-; Added at version 1.2.9
- png_get_uint_32
- png_save_uint_32
- png_get_uint_16
- png_save_uint_16
- png_get_int_32
- png_save_int_32
- png_get_uint_31
- png_set_expand_gray_1_2_4_to_8
-
-; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
- png_pass_start
- png_pass_inc
- png_pass_ystart
- png_pass_yinc
- png_pass_mask
- png_pass_dsp_mask
-; png_pass_width
-; png_pass_height
-
-; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
- png_IHDR
- png_IDAT
- png_IEND
- png_PLTE
- png_bKGD
- png_cHRM
- png_gAMA
- png_hIST
- png_iCCP
- png_iTXt
- png_oFFs
- png_pCAL
- png_pHYs
- png_sBIT
- png_sCAL
- png_sPLT
- png_sRGB
- png_tEXt
- png_tIME
- png_tRNS
- png_zTXt
+++ /dev/null
-;------------------------------------------
-; LIBPNG module definition file for Windows
-;------------------------------------------
-
-LIBRARY
-
-EXPORTS
-;Version 1.2.37
- png_build_grayscale_palette @1
- png_check_sig @2
- png_chunk_error @3
- png_chunk_warning @4
- png_convert_from_struct_tm @5
- png_convert_from_time_t @6
- png_create_info_struct @7
- png_create_read_struct @8
- png_create_write_struct @9
- png_data_freer @10
- png_destroy_info_struct @11
- png_destroy_read_struct @12
- png_destroy_write_struct @13
- png_error @14
- png_free @15
- png_free_data @16
- png_get_IHDR @17
- png_get_PLTE @18
- png_get_bKGD @19
- png_get_bit_depth @20
- png_get_cHRM @21
- png_get_cHRM_fixed @22
- png_get_channels @23
- png_get_color_type @24
- png_get_compression_buffer_size @25
- png_get_compression_type @26
- png_get_copyright @27
- png_get_error_ptr @28
- png_get_filter_type @29
- png_get_gAMA @30
- png_get_gAMA_fixed @31
- png_get_hIST @32
- png_get_header_ver @33
- png_get_header_version @34
- png_get_iCCP @35
- png_get_image_height @36
- png_get_image_width @37
- png_get_interlace_type @38
- png_get_io_ptr @39
- ; png_get_libpng_ver @40
- png_get_oFFs @41
- png_get_pCAL @42
- png_get_pHYs @43
- png_get_pixel_aspect_ratio @44
- png_get_pixels_per_meter @45
- png_get_progressive_ptr @46
- png_get_rgb_to_gray_status @47
- png_get_rowbytes @48
- png_get_rows @49
- png_get_sBIT @50
- png_get_sCAL @51
- png_get_sPLT @52
- png_get_sRGB @53
- png_get_signature @54
- png_get_tIME @55
- png_get_tRNS @56
- png_get_text @57
- png_get_unknown_chunks @58
- png_get_user_chunk_ptr @59
- png_get_user_transform_ptr @60
- png_get_valid @61
- png_get_x_offset_microns @62
- png_get_x_offset_pixels @63
- png_get_x_pixels_per_meter @64
- png_get_y_offset_microns @65
- png_get_y_offset_pixels @66
- png_get_y_pixels_per_meter @67
- png_malloc @68
- png_memcpy_check @69
- png_memset_check @70
-; png_permit_empty_plte is deprecated
- png_permit_empty_plte @71
- png_process_data @72
- png_progressive_combine_row @73
- png_read_end @74
- png_read_image @75
- png_read_info @76
-; png_read_init is deprecated
- png_read_init @77
- png_read_png @78
- png_read_row @79
- png_read_rows @80
- png_read_update_info @81
- png_reset_zstream @82
- png_set_IHDR @83
- png_set_PLTE @84
- png_set_bKGD @85
- png_set_background @86
- png_set_bgr @87
- png_set_cHRM @88
- png_set_cHRM_fixed @89
- png_set_compression_buffer_size @90
- png_set_compression_level @91
- png_set_compression_mem_level @92
- png_set_compression_method @93
- png_set_compression_strategy @94
- png_set_compression_window_bits @95
- png_set_crc_action @96
- png_set_dither @97
- png_set_error_fn @98
- png_set_expand @99
- png_set_filler @100
- png_set_filter @101
- png_set_filter_heuristics @102
- png_set_flush @103
- png_set_gAMA @104
- png_set_gAMA_fixed @105
- png_set_gamma @106
-; png_set_gray_1_2_4_to_8 is deprecated
- png_set_gray_1_2_4_to_8 @107
- png_set_gray_to_rgb @108
- png_set_hIST @109
- png_set_iCCP @110
- png_set_interlace_handling @111
- png_set_invert_alpha @112
- png_set_invert_mono @113
- png_set_keep_unknown_chunks @114
- png_set_oFFs @115
- png_set_pCAL @116
- png_set_pHYs @117
- png_set_packing @118
- png_set_packswap @119
- png_set_palette_to_rgb @120
- png_set_progressive_read_fn @121
- png_set_read_fn @122
- png_set_read_status_fn @123
- png_set_read_user_chunk_fn @124
- png_set_read_user_transform_fn @125
- png_set_rgb_to_gray @126
- png_set_rgb_to_gray_fixed @127
- png_set_rows @128
- png_set_sBIT @129
- png_set_sCAL @130
- png_set_sPLT @131
- png_set_sRGB @132
- png_set_sRGB_gAMA_and_cHRM @133
- png_set_shift @134
- png_set_sig_bytes @135
- png_set_strip_16 @136
- png_set_strip_alpha @137
- png_set_swap @138
- png_set_swap_alpha @139
- png_set_tIME @140
- png_set_tRNS @141
- png_set_tRNS_to_alpha @142
- png_set_text @143
- png_set_unknown_chunk_location @144
- png_set_unknown_chunks @145
- png_set_user_transform_info @146
- png_set_write_fn @147
- png_set_write_status_fn @148
- png_set_write_user_transform_fn @149
- png_sig_cmp @150
- png_start_read_image @151
- png_warning @152
- png_write_chunk @153
- png_write_chunk_data @154
- png_write_chunk_end @155
- png_write_chunk_start @156
- png_write_end @157
- png_write_flush @158
- png_write_image @159
- png_write_info @160
- png_write_info_before_PLTE @161
-; png_write_init is deprecated
- png_write_init @162
- png_write_png @163
- png_write_row @164
- png_write_rows @165
-; png_read_init_2 and png_write_init_2 are deprecated.
- png_read_init_2 @166
- png_write_init_2 @167
- png_access_version_number @168
-; png_sig_bytes @169
-; Removed from version 1.2.20
-; png_libpng_ver @170
-;
- png_init_io @171
- png_convert_to_rfc1123 @172
- png_set_invalid @173
-; Added at version 1.0.12
-; For compatibility with 1.0.7-1.0.11
-; png_info_init @174
-; png_read_init_3, png_info_init_3, and png_write_init_3 are deprecated.
- png_read_init_3 @175
- png_write_init_3 @176
- png_info_init_3 @177
- png_destroy_struct @178
-; Added at version 1.2.0
-; For use with PNG_USER_MEM_SUPPORTED
- png_destroy_struct_2 @179
- png_create_read_struct_2 @180
- png_create_write_struct_2 @181
- png_malloc_default @182
- png_free_default @183
-; MNG features
- png_permit_mng_features @184
-; MMX support
- png_mmx_support @185
-; png_get_mmx_flagmask @186
- png_get_asm_flagmask @187
- png_get_asm_flags @188
-; png_get_mmx_bitdepth_threshold @189
-; png_get_mmx_rowbytes_threshold @190
- png_set_asm_flags @191
-; png_init_mmx_flags @192
-; Strip error numbers
- png_set_strip_error_numbers @193
-; Added at version 1.2.2
- png_handle_as_unknown @194
-; Added at version 1.2.2 and deleted from 1.2.3
-; png_zalloc @195
-; png_zfree @196
-; Added at version 1.2.4
- png_malloc_warn @195
-; Added at version 1.2.6
- png_malloc_warn @195
- png_get_user_height_max @196
- png_get_user_width_max @197
- png_set_user_limits @198
-; Added at version 1.2.7
- png_set_add_alpha @199
-; Added at version 1.2.9
- png_get_uint_32 @200
- png_save_uint_32 @201
- png_get_uint_16 @202
- png_save_uint_16 @203
- png_get_int_32 @204
- png_save_int_32 @205
- png_get_uint_31 @206
- png_set_expand_gray_1_2_4_to_8 @207
+++ /dev/null
-#define PNG_VERSION_INFO_ONLY
-
-#include <windows.h>
-#include "../png.h"
-
-#define _QUOTE(x) # x
-#define QUOTE(x) _QUOTE(x)
-
-#define PNG_LIBPNG_DLLFNAME "LIBPNG"
-
-/* Support deprecated PRIVATEBUILD macro */
-#if defined(PRIVATEBUILD) && !defined(PNG_USER_PRIVATEBUILD)
-# define PNG_USER_PRIVATEBUILD PRIVATEBUILD
-#endif
-
-#if defined(PNG_USER_DLLFNAME_POSTFIX) && !defined(PNG_USER_PRIVATEBUILD)
-# error "PNG_USER_PRIVATEBUILD must be defined as a string describing the\
- custom changes made to the library."
-#endif
-
-/* Prioritize PNG_USER_x over PNG_LIBPNG_x */
-#ifdef PNG_USER_DLLFNAME_POSTFIX
-# undef PNG_LIBPNG_DLLFNAME_POSTFIX
-# define PNG_LIBPNG_DLLFNAME_POSTFIX PNG_USER_DLLFNAME_POSTFIX
-#endif
-
-#ifdef PNG_USER_VERSIONINFO_COMMENTS
-# undef PNG_LIBPNG_VERSIONINFO_COMMENTS
-# define PNG_LIBPNG_VERSIONINFO_COMMENTS PNG_USER_VERSIONINFO_COMMENTS
-#endif
-
-#if defined(PNG_DEBUG) && (PNG_DEBUG > 0)
-# define VS_DEBUG VS_FF_DEBUG
-# ifndef PNG_LIBPNG_DLLFNAME_POSTFIX
-# define PNG_LIBPNG_DLLFNAME_POSTFIX "D"
-# endif /* PNG_LIBPNG_DLLFNAME_POSTFIX */
-# ifndef PNG_LIBPNG_VERSIONINFO_COMMENTS
-# define PNG_LIBPNG_VERSIONINFO_COMMENTS "PNG_DEBUG=" QUOTE(PNG_DEBUG)
-# endif /* PNG_LIBPNG_VERSIONINFO_COMMENTS */
-#else
-# define VS_DEBUG 0
-# ifndef PNG_LIBPNG_DLLFNAME_POSTFIX
-# define PNG_LIBPNG_DLLFNAME_POSTFIX
-# endif /* PNG_LIBPNG_DLLFNAME_POSTFIX */
-#endif /* defined(DEBUG)... */
-
-#ifdef PNG_USER_PRIVATEBUILD
-# define VS_PRIVATEBUILD VS_FF_PRIVATEBUILD
-#else
-# define VS_PRIVATEBUILD 0
-#endif /* PNG_USER_PRIVATEBUILD */
-
-#ifdef PNG_LIBPNG_SPECIALBUILD
-# define VS_SPECIALBUILD VS_FF_SPECIALBUILD
-#else
-# define VS_SPECIALBUILD 0
-#endif /* PNG_LIBPNG_BUILD_SPECIAL */
-
-#if ((PNG_LIBPNG_BUILD_BASE_TYPE & PNG_LIBPNG_RELEASE_STATUS_MASK) !=\
- PNG_LIBPNG_BUILD_STABLE)
-# define VS_PRERELEASE VS_FF_PRERELEASE
-# define VS_PATCHED 0
-#else
-# define VS_PRERELEASE 0
-# if (PNG_LIBPNG_BUILD_BASE_TYPE & PNG_LIBPNG_BUILD_PATCHED)
-# define VS_PATCHED VS_FF_PATCHED
-# else
-# define VS_PATCHED 0
-# endif
-#endif
-
-VS_VERSION_INFO VERSIONINFO
-FILEVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD
-PRODUCTVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD
-FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
-FILEFLAGS VS_DEBUG | VS_PRIVATEBUILD | VS_SPECIALBUILD | VS_PRERELEASE | VS_PATCHED
-FILEOS VOS__WINDOWS32
-FILETYPE VFT_DLL
-FILESUBTYPE VFT2_UNKNOWN
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN BLOCK "040904E4" /* Language type = U.S English(0x0409) and Character Set = Windows, Multilingual(0x04E4) */
- BEGIN
-#ifdef PNG_LIBPNG_VERSIONINFO_COMMENTS
- VALUE "Comments", PNG_LIBPNG_VERSIONINFO_COMMENTS "\000"
-#endif /* PNG_LIBPNG_VERSIONINFO_COMMENTS */
-#ifdef PNG_USER_VERSIONINFO_COMPANYNAME
- VALUE "CompanyName", PNG_USER_VERSIONINFO_COMPANYNAME "\000"
-#endif /* PNG_USER_VERSIONINFO_COMPANYNAME */
- VALUE "FileDescription", "PNG image compression library\000"
- VALUE "FileVersion", PNG_LIBPNG_VER_STRING "\000"
- VALUE "InternalName", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) PNG_LIBPNG_DLLFNAME_POSTFIX " (Windows 32 bit)\000"
- VALUE "LegalCopyright", "\251 1998-2004 Glenn Randers-Pehrson et al.\000"
-#ifdef PNG_USER_VERSIONINFO_LEGALTRADEMARKS
- VALUE "LegalTrademarks", PNG_USER_VERSIONINFO_LEGALTRADEMARKS "\000"
-#endif /* PNG_USER_VERSIONINFO_LEGALTRADEMARKS */
- VALUE "OriginalFilename", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) PNG_LIBPNG_DLLFNAME_POSTFIX ".DLL\000"
-#ifdef PNG_USER_PRIVATEBUILD
- VALUE "PrivateBuild", PNG_USER_PRIVATEBUILD "\000"
-#endif /* PNG_USER_PRIVATEBUILD */
- VALUE "ProductName", "LibPNG\000"
- VALUE "ProductVersion", "1\000"
-#ifdef PNG_LIBPNG_SPECIALBUILD
- VALUE "SpecialBuild", PNG_LIBPNG_SPECIALBUILD "\000"
-#endif /* PNG_LIBPNG_SPECIALBUILD */
- END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x0409, 0x04E4
- END
-END
+++ /dev/null
-# Amiga powerUP (TM) Makefile
-# makefile for libpng and SAS C V6.58/7.00 PPC compiler
-# Copyright (C) 1998 by Andreas R. Kleinert
-# For conditions of distribution and use, see copyright notice in png.h
-
-CC = scppc
-CFLAGS = NOSTKCHK NOSINT OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL IDIR /zlib \
- OPTLOOP OPTRDEP=8 OPTDEP=8 OPTCOMP=8
-LIBNAME = libpng.a
-AR = ppc-amigaos-ar
-AR_FLAGS = cr
-RANLIB = ppc-amigaos-ranlib
-LDFLAGS = -r -o
-LDLIBS = ../zlib/libzip.a LIB:scppc.a
-LN = ppc-amigaos-ld
-RM = delete quiet
-MKDIR = makedir
-
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o pngread.o \
-pngerror.o pngpread.o pngwrite.o pngrtran.o pngwtran.o pngrio.o pngwio.o pngmem.o
-
-all: $(LIBNAME) pngtest
-
-$(LIBNAME): $(OBJS)
- $(AR) $(AR_FLAGS) $@ $(OBJS)
- $(RANLIB) $@
-
-pngtest: pngtest.o $(LIBNAME)
- $(LN) $(LDFLAGS) pngtest LIB:c_ppc.o pngtest.o $(LIBNAME) $(LDLIBS) \
-LIB:end.o
+++ /dev/null
-#!/bin/sh
-
-./.libs/pngtest ${srcdir}/pngtest.png
+++ /dev/null
-
- ChangeLog file for zlib
-
-Changes in 1.2.3 (18 July 2005)
-- Apply security vulnerability fixes to contrib/infback9 as well
-- Clean up some text files (carriage returns, trailing space)
-- Update testzlib, vstudio, masmx64, and masmx86 in contrib [Vollant]
-
-Changes in 1.2.2.4 (11 July 2005)
-- Add inflatePrime() function for starting inflation at bit boundary
-- Avoid some Visual C warnings in deflate.c
-- Avoid more silly Visual C warnings in inflate.c and inftrees.c for 64-bit
- compile
-- Fix some spelling errors in comments [Betts]
-- Correct inflateInit2() error return documentation in zlib.h
-- Added zran.c example of compressed data random access to examples
- directory, shows use of inflatePrime()
-- Fix cast for assignments to strm->state in inflate.c and infback.c
-- Fix zlibCompileFlags() in zutil.c to use 1L for long shifts [Oberhumer]
-- Move declarations of gf2 functions to right place in crc32.c [Oberhumer]
-- Add cast in trees.c t avoid a warning [Oberhumer]
-- Avoid some warnings in fitblk.c, gun.c, gzjoin.c in examples [Oberhumer]
-- Update make_vms.com [Zinser]
-- Initialize state->write in inflateReset() since copied in inflate_fast()
-- Be more strict on incomplete code sets in inflate_table() and increase
- ENOUGH and MAXD -- this repairs a possible security vulnerability for
- invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for
- discovering the vulnerability and providing test cases.
-- Add ia64 support to configure for HP-UX [Smith]
-- Add error return to gzread() for format or i/o error [Levin]
-- Use malloc.h for OS/2 [Necasek]
-
-Changes in 1.2.2.3 (27 May 2005)
-- Replace 1U constants in inflate.c and inftrees.c for 64-bit compile
-- Typecast fread() return values in gzio.c [Vollant]
-- Remove trailing space in minigzip.c outmode (VC++ can't deal with it)
-- Fix crc check bug in gzread() after gzungetc() [Heiner]
-- Add the deflateTune() function to adjust internal compression parameters
-- Add a fast gzip decompressor, gun.c, to examples (use of inflateBack)
-- Remove an incorrect assertion in examples/zpipe.c
-- Add C++ wrapper in infback9.h [Donais]
-- Fix bug in inflateCopy() when decoding fixed codes
-- Note in zlib.h how much deflateSetDictionary() actually uses
-- Remove USE_DICT_HEAD in deflate.c (would mess up inflate if used)
-- Add _WIN32_WCE to define WIN32 in zconf.in.h [Spencer]
-- Don't include stderr.h or errno.h for _WIN32_WCE in zutil.h [Spencer]
-- Add gzdirect() function to indicate transparent reads
-- Update contrib/minizip [Vollant]
-- Fix compilation of deflate.c when both ASMV and FASTEST [Oberhumer]
-- Add casts in crc32.c to avoid warnings [Oberhumer]
-- Add contrib/masmx64 [Vollant]
-- Update contrib/asm586, asm686, masmx86, testzlib, vstudio [Vollant]
-
-Changes in 1.2.2.2 (30 December 2004)
-- Replace structure assignments in deflate.c and inflate.c with zmemcpy to
- avoid implicit memcpy calls (portability for no-library compilation)
-- Increase sprintf() buffer size in gzdopen() to allow for large numbers
-- Add INFLATE_STRICT to check distances against zlib header
-- Improve WinCE errno handling and comments [Chang]
-- Remove comment about no gzip header processing in FAQ
-- Add Z_FIXED strategy option to deflateInit2() to force fixed trees
-- Add updated make_vms.com [Coghlan], update README
-- Create a new "examples" directory, move gzappend.c there, add zpipe.c,
- fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html.
-- Add FAQ entry and comments in deflate.c on uninitialized memory access
-- Add Solaris 9 make options in configure [Gilbert]
-- Allow strerror() usage in gzio.c for STDC
-- Fix DecompressBuf in contrib/delphi/ZLib.pas [ManChesTer]
-- Update contrib/masmx86/inffas32.asm and gvmat32.asm [Vollant]
-- Use z_off_t for adler32_combine() and crc32_combine() lengths
-- Make adler32() much faster for small len
-- Use OS_CODE in deflate() default gzip header
-
-Changes in 1.2.2.1 (31 October 2004)
-- Allow inflateSetDictionary() call for raw inflate
-- Fix inflate header crc check bug for file names and comments
-- Add deflateSetHeader() and gz_header structure for custom gzip headers
-- Add inflateGetheader() to retrieve gzip headers
-- Add crc32_combine() and adler32_combine() functions
-- Add alloc_func, free_func, in_func, out_func to Z_PREFIX list
-- Use zstreamp consistently in zlib.h (inflate_back functions)
-- Remove GUNZIP condition from definition of inflate_mode in inflate.h
- and in contrib/inflate86/inffast.S [Truta, Anderson]
-- Add support for AMD64 in contrib/inflate86/inffas86.c [Anderson]
-- Update projects/README.projects and projects/visualc6 [Truta]
-- Update win32/DLL_FAQ.txt [Truta]
-- Avoid warning under NO_GZCOMPRESS in gzio.c; fix typo [Truta]
-- Deprecate Z_ASCII; use Z_TEXT instead [Truta]
-- Use a new algorithm for setting strm->data_type in trees.c [Truta]
-- Do not define an exit() prototype in zutil.c unless DEBUG defined
-- Remove prototype of exit() from zutil.c, example.c, minigzip.c [Truta]
-- Add comment in zlib.h for Z_NO_FLUSH parameter to deflate()
-- Fix Darwin build version identification [Peterson]
-
-Changes in 1.2.2 (3 October 2004)
-- Update zlib.h comments on gzip in-memory processing
-- Set adler to 1 in inflateReset() to support Java test suite [Walles]
-- Add contrib/dotzlib [Ravn]
-- Update win32/DLL_FAQ.txt [Truta]
-- Update contrib/minizip [Vollant]
-- Move contrib/visual-basic.txt to old/ [Truta]
-- Fix assembler builds in projects/visualc6/ [Truta]
-
-Changes in 1.2.1.2 (9 September 2004)
-- Update INDEX file
-- Fix trees.c to update strm->data_type (no one ever noticed!)
-- Fix bug in error case in inflate.c, infback.c, and infback9.c [Brown]
-- Add "volatile" to crc table flag declaration (for DYNAMIC_CRC_TABLE)
-- Add limited multitasking protection to DYNAMIC_CRC_TABLE
-- Add NO_vsnprintf for VMS in zutil.h [Mozilla]
-- Don't declare strerror() under VMS [Mozilla]
-- Add comment to DYNAMIC_CRC_TABLE to use get_crc_table() to initialize
-- Update contrib/ada [Anisimkov]
-- Update contrib/minizip [Vollant]
-- Fix configure to not hardcode directories for Darwin [Peterson]
-- Fix gzio.c to not return error on empty files [Brown]
-- Fix indentation; update version in contrib/delphi/ZLib.pas and
- contrib/pascal/zlibpas.pas [Truta]
-- Update mkasm.bat in contrib/masmx86 [Truta]
-- Update contrib/untgz [Truta]
-- Add projects/README.projects [Truta]
-- Add project for MS Visual C++ 6.0 in projects/visualc6 [Cadieux, Truta]
-- Update win32/DLL_FAQ.txt [Truta]
-- Update list of Z_PREFIX symbols in zconf.h [Randers-Pehrson, Truta]
-- Remove an unnecessary assignment to curr in inftrees.c [Truta]
-- Add OS/2 to exe builds in configure [Poltorak]
-- Remove err dummy parameter in zlib.h [Kientzle]
-
-Changes in 1.2.1.1 (9 January 2004)
-- Update email address in README
-- Several FAQ updates
-- Fix a big fat bug in inftrees.c that prevented decoding valid
- dynamic blocks with only literals and no distance codes --
- Thanks to "Hot Emu" for the bug report and sample file
-- Add a note to puff.c on no distance codes case.
-
-Changes in 1.2.1 (17 November 2003)
-- Remove a tab in contrib/gzappend/gzappend.c
-- Update some interfaces in contrib for new zlib functions
-- Update zlib version number in some contrib entries
-- Add Windows CE definition for ptrdiff_t in zutil.h [Mai, Truta]
-- Support shared libraries on Hurd and KFreeBSD [Brown]
-- Fix error in NO_DIVIDE option of adler32.c
-
-Changes in 1.2.0.8 (4 November 2003)
-- Update version in contrib/delphi/ZLib.pas and contrib/pascal/zlibpas.pas
-- Add experimental NO_DIVIDE #define in adler32.c
- - Possibly faster on some processors (let me know if it is)
-- Correct Z_BLOCK to not return on first inflate call if no wrap
-- Fix strm->data_type on inflate() return to correctly indicate EOB
-- Add deflatePrime() function for appending in the middle of a byte
-- Add contrib/gzappend for an example of appending to a stream
-- Update win32/DLL_FAQ.txt [Truta]
-- Delete Turbo C comment in README [Truta]
-- Improve some indentation in zconf.h [Truta]
-- Fix infinite loop on bad input in configure script [Church]
-- Fix gzeof() for concatenated gzip files [Johnson]
-- Add example to contrib/visual-basic.txt [Michael B.]
-- Add -p to mkdir's in Makefile.in [vda]
-- Fix configure to properly detect presence or lack of printf functions
-- Add AS400 support [Monnerat]
-- Add a little Cygwin support [Wilson]
-
-Changes in 1.2.0.7 (21 September 2003)
-- Correct some debug formats in contrib/infback9
-- Cast a type in a debug statement in trees.c
-- Change search and replace delimiter in configure from % to # [Beebe]
-- Update contrib/untgz to 0.2 with various fixes [Truta]
-- Add build support for Amiga [Nikl]
-- Remove some directories in old that have been updated to 1.2
-- Add dylib building for Mac OS X in configure and Makefile.in
-- Remove old distribution stuff from Makefile
-- Update README to point to DLL_FAQ.txt, and add comment on Mac OS X
-- Update links in README
-
-Changes in 1.2.0.6 (13 September 2003)
-- Minor FAQ updates
-- Update contrib/minizip to 1.00 [Vollant]
-- Remove test of gz functions in example.c when GZ_COMPRESS defined [Truta]
-- Update POSTINC comment for 68060 [Nikl]
-- Add contrib/infback9 with deflate64 decoding (unsupported)
-- For MVS define NO_vsnprintf and undefine FAR [van Burik]
-- Add pragma for fdopen on MVS [van Burik]
-
-Changes in 1.2.0.5 (8 September 2003)
-- Add OF to inflateBackEnd() declaration in zlib.h
-- Remember start when using gzdopen in the middle of a file
-- Use internal off_t counters in gz* functions to properly handle seeks
-- Perform more rigorous check for distance-too-far in inffast.c
-- Add Z_BLOCK flush option to return from inflate at block boundary
-- Set strm->data_type on return from inflate
- - Indicate bits unused, if at block boundary, and if in last block
-- Replace size_t with ptrdiff_t in crc32.c, and check for correct size
-- Add condition so old NO_DEFLATE define still works for compatibility
-- FAQ update regarding the Windows DLL [Truta]
-- INDEX update: add qnx entry, remove aix entry [Truta]
-- Install zlib.3 into mandir [Wilson]
-- Move contrib/zlib_dll_FAQ.txt to win32/DLL_FAQ.txt; update [Truta]
-- Adapt the zlib interface to the new DLL convention guidelines [Truta]
-- Introduce ZLIB_WINAPI macro to allow the export of functions using
- the WINAPI calling convention, for Visual Basic [Vollant, Truta]
-- Update msdos and win32 scripts and makefiles [Truta]
-- Export symbols by name, not by ordinal, in win32/zlib.def [Truta]
-- Add contrib/ada [Anisimkov]
-- Move asm files from contrib/vstudio/vc70_32 to contrib/asm386 [Truta]
-- Rename contrib/asm386 to contrib/masmx86 [Truta, Vollant]
-- Add contrib/masm686 [Truta]
-- Fix offsets in contrib/inflate86 and contrib/masmx86/inffas32.asm
- [Truta, Vollant]
-- Update contrib/delphi; rename to contrib/pascal; add example [Truta]
-- Remove contrib/delphi2; add a new contrib/delphi [Truta]
-- Avoid inclusion of the nonstandard <memory.h> in contrib/iostream,
- and fix some method prototypes [Truta]
-- Fix the ZCR_SEED2 constant to avoid warnings in contrib/minizip
- [Truta]
-- Avoid the use of backslash (\) in contrib/minizip [Vollant]
-- Fix file time handling in contrib/untgz; update makefiles [Truta]
-- Update contrib/vstudio/vc70_32 to comply with the new DLL guidelines
- [Vollant]
-- Remove contrib/vstudio/vc15_16 [Vollant]
-- Rename contrib/vstudio/vc70_32 to contrib/vstudio/vc7 [Truta]
-- Update README.contrib [Truta]
-- Invert the assignment order of match_head and s->prev[...] in
- INSERT_STRING [Truta]
-- Compare TOO_FAR with 32767 instead of 32768, to avoid 16-bit warnings
- [Truta]
-- Compare function pointers with 0, not with NULL or Z_NULL [Truta]
-- Fix prototype of syncsearch in inflate.c [Truta]
-- Introduce ASMINF macro to be enabled when using an ASM implementation
- of inflate_fast [Truta]
-- Change NO_DEFLATE to NO_GZCOMPRESS [Truta]
-- Modify test_gzio in example.c to take a single file name as a
- parameter [Truta]
-- Exit the example.c program if gzopen fails [Truta]
-- Add type casts around strlen in example.c [Truta]
-- Remove casting to sizeof in minigzip.c; give a proper type
- to the variable compared with SUFFIX_LEN [Truta]
-- Update definitions of STDC and STDC99 in zconf.h [Truta]
-- Synchronize zconf.h with the new Windows DLL interface [Truta]
-- Use SYS16BIT instead of __32BIT__ to distinguish between
- 16- and 32-bit platforms [Truta]
-- Use far memory allocators in small 16-bit memory models for
- Turbo C [Truta]
-- Add info about the use of ASMV, ASMINF and ZLIB_WINAPI in
- zlibCompileFlags [Truta]
-- Cygwin has vsnprintf [Wilson]
-- In Windows16, OS_CODE is 0, as in MSDOS [Truta]
-- In Cygwin, OS_CODE is 3 (Unix), not 11 (Windows32) [Wilson]
-
-Changes in 1.2.0.4 (10 August 2003)
-- Minor FAQ updates
-- Be more strict when checking inflateInit2's windowBits parameter
-- Change NO_GUNZIP compile option to NO_GZIP to cover deflate as well
-- Add gzip wrapper option to deflateInit2 using windowBits
-- Add updated QNX rule in configure and qnx directory [Bonnefoy]
-- Make inflate distance-too-far checks more rigorous
-- Clean up FAR usage in inflate
-- Add casting to sizeof() in gzio.c and minigzip.c
-
-Changes in 1.2.0.3 (19 July 2003)
-- Fix silly error in gzungetc() implementation [Vollant]
-- Update contrib/minizip and contrib/vstudio [Vollant]
-- Fix printf format in example.c
-- Correct cdecl support in zconf.in.h [Anisimkov]
-- Minor FAQ updates
-
-Changes in 1.2.0.2 (13 July 2003)
-- Add ZLIB_VERNUM in zlib.h for numerical preprocessor comparisons
-- Attempt to avoid warnings in crc32.c for pointer-int conversion
-- Add AIX to configure, remove aix directory [Bakker]
-- Add some casts to minigzip.c
-- Improve checking after insecure sprintf() or vsprintf() calls
-- Remove #elif's from crc32.c
-- Change leave label to inf_leave in inflate.c and infback.c to avoid
- library conflicts
-- Remove inflate gzip decoding by default--only enable gzip decoding by
- special request for stricter backward compatibility
-- Add zlibCompileFlags() function to return compilation information
-- More typecasting in deflate.c to avoid warnings
-- Remove leading underscore from _Capital #defines [Truta]
-- Fix configure to link shared library when testing
-- Add some Windows CE target adjustments [Mai]
-- Remove #define ZLIB_DLL in zconf.h [Vollant]
-- Add zlib.3 [Rodgers]
-- Update RFC URL in deflate.c and algorithm.txt [Mai]
-- Add zlib_dll_FAQ.txt to contrib [Truta]
-- Add UL to some constants [Truta]
-- Update minizip and vstudio [Vollant]
-- Remove vestigial NEED_DUMMY_RETURN from zconf.in.h
-- Expand use of NO_DUMMY_DECL to avoid all dummy structures
-- Added iostream3 to contrib [Schwardt]
-- Replace rewind() with fseek() for WinCE [Truta]
-- Improve setting of zlib format compression level flags
- - Report 0 for huffman and rle strategies and for level == 0 or 1
- - Report 2 only for level == 6
-- Only deal with 64K limit when necessary at compile time [Truta]
-- Allow TOO_FAR check to be turned off at compile time [Truta]
-- Add gzclearerr() function [Souza]
-- Add gzungetc() function
-
-Changes in 1.2.0.1 (17 March 2003)
-- Add Z_RLE strategy for run-length encoding [Truta]
- - When Z_RLE requested, restrict matches to distance one
- - Update zlib.h, minigzip.c, gzopen(), gzdopen() for Z_RLE
-- Correct FASTEST compilation to allow level == 0
-- Clean up what gets compiled for FASTEST
-- Incorporate changes to zconf.in.h [Vollant]
- - Refine detection of Turbo C need for dummy returns
- - Refine ZLIB_DLL compilation
- - Include additional header file on VMS for off_t typedef
-- Try to use _vsnprintf where it supplants vsprintf [Vollant]
-- Add some casts in inffast.c
-- Enchance comments in zlib.h on what happens if gzprintf() tries to
- write more than 4095 bytes before compression
-- Remove unused state from inflateBackEnd()
-- Remove exit(0) from minigzip.c, example.c
-- Get rid of all those darn tabs
-- Add "check" target to Makefile.in that does the same thing as "test"
-- Add "mostlyclean" and "maintainer-clean" targets to Makefile.in
-- Update contrib/inflate86 [Anderson]
-- Update contrib/testzlib, contrib/vstudio, contrib/minizip [Vollant]
-- Add msdos and win32 directories with makefiles [Truta]
-- More additions and improvements to the FAQ
-
-Changes in 1.2.0 (9 March 2003)
-- New and improved inflate code
- - About 20% faster
- - Does not allocate 32K window unless and until needed
- - Automatically detects and decompresses gzip streams
- - Raw inflate no longer needs an extra dummy byte at end
- - Added inflateBack functions using a callback interface--even faster
- than inflate, useful for file utilities (gzip, zip)
- - Added inflateCopy() function to record state for random access on
- externally generated deflate streams (e.g. in gzip files)
- - More readable code (I hope)
-- New and improved crc32()
- - About 50% faster, thanks to suggestions from Rodney Brown
-- Add deflateBound() and compressBound() functions
-- Fix memory leak in deflateInit2()
-- Permit setting dictionary for raw deflate (for parallel deflate)
-- Fix const declaration for gzwrite()
-- Check for some malloc() failures in gzio.c
-- Fix bug in gzopen() on single-byte file 0x1f
-- Fix bug in gzread() on concatenated file with 0x1f at end of buffer
- and next buffer doesn't start with 0x8b
-- Fix uncompress() to return Z_DATA_ERROR on truncated input
-- Free memory at end of example.c
-- Remove MAX #define in trees.c (conflicted with some libraries)
-- Fix static const's in deflate.c, gzio.c, and zutil.[ch]
-- Declare malloc() and free() in gzio.c if STDC not defined
-- Use malloc() instead of calloc() in zutil.c if int big enough
-- Define STDC for AIX
-- Add aix/ with approach for compiling shared library on AIX
-- Add HP-UX support for shared libraries in configure
-- Add OpenUNIX support for shared libraries in configure
-- Use $cc instead of gcc to build shared library
-- Make prefix directory if needed when installing
-- Correct Macintosh avoidance of typedef Byte in zconf.h
-- Correct Turbo C memory allocation when under Linux
-- Use libz.a instead of -lz in Makefile (assure use of compiled library)
-- Update configure to check for snprintf or vsnprintf functions and their
- return value, warn during make if using an insecure function
-- Fix configure problem with compile-time knowledge of HAVE_UNISTD_H that
- is lost when library is used--resolution is to build new zconf.h
-- Documentation improvements (in zlib.h):
- - Document raw deflate and inflate
- - Update RFCs URL
- - Point out that zlib and gzip formats are different
- - Note that Z_BUF_ERROR is not fatal
- - Document string limit for gzprintf() and possible buffer overflow
- - Note requirement on avail_out when flushing
- - Note permitted values of flush parameter of inflate()
-- Add some FAQs (and even answers) to the FAQ
-- Add contrib/inflate86/ for x86 faster inflate
-- Add contrib/blast/ for PKWare Data Compression Library decompression
-- Add contrib/puff/ simple inflate for deflate format description
-
-Changes in 1.1.4 (11 March 2002)
-- ZFREE was repeated on same allocation on some error conditions.
- This creates a security problem described in
- http://www.zlib.org/advisory-2002-03-11.txt
-- Returned incorrect error (Z_MEM_ERROR) on some invalid data
-- Avoid accesses before window for invalid distances with inflate window
- less than 32K.
-- force windowBits > 8 to avoid a bug in the encoder for a window size
- of 256 bytes. (A complete fix will be available in 1.1.5).
-
-Changes in 1.1.3 (9 July 1998)
-- fix "an inflate input buffer bug that shows up on rare but persistent
- occasions" (Mark)
-- fix gzread and gztell for concatenated .gz files (Didier Le Botlan)
-- fix gzseek(..., SEEK_SET) in write mode
-- fix crc check after a gzeek (Frank Faubert)
-- fix miniunzip when the last entry in a zip file is itself a zip file
- (J Lillge)
-- add contrib/asm586 and contrib/asm686 (Brian Raiter)
- See http://www.muppetlabs.com/~breadbox/software/assembly.html
-- add support for Delphi 3 in contrib/delphi (Bob Dellaca)
-- add support for C++Builder 3 and Delphi 3 in contrib/delphi2 (Davide Moretti)
-- do not exit prematurely in untgz if 0 at start of block (Magnus Holmgren)
-- use macro EXTERN instead of extern to support DLL for BeOS (Sander Stoks)
-- added a FAQ file
-
-- Support gzdopen on Mac with Metrowerks (Jason Linhart)
-- Do not redefine Byte on Mac (Brad Pettit & Jason Linhart)
-- define SEEK_END too if SEEK_SET is not defined (Albert Chin-A-Young)
-- avoid some warnings with Borland C (Tom Tanner)
-- fix a problem in contrib/minizip/zip.c for 16-bit MSDOS (Gilles Vollant)
-- emulate utime() for WIN32 in contrib/untgz (Gilles Vollant)
-- allow several arguments to configure (Tim Mooney, Frodo Looijaard)
-- use libdir and includedir in Makefile.in (Tim Mooney)
-- support shared libraries on OSF1 V4 (Tim Mooney)
-- remove so_locations in "make clean" (Tim Mooney)
-- fix maketree.c compilation error (Glenn, Mark)
-- Python interface to zlib now in Python 1.5 (Jeremy Hylton)
-- new Makefile.riscos (Rich Walker)
-- initialize static descriptors in trees.c for embedded targets (Nick Smith)
-- use "foo-gz" in example.c for RISCOS and VMS (Nick Smith)
-- add the OS/2 files in Makefile.in too (Andrew Zabolotny)
-- fix fdopen and halloc macros for Microsoft C 6.0 (Tom Lane)
-- fix maketree.c to allow clean compilation of inffixed.h (Mark)
-- fix parameter check in deflateCopy (Gunther Nikl)
-- cleanup trees.c, use compressed_len only in debug mode (Christian Spieler)
-- Many portability patches by Christian Spieler:
- . zutil.c, zutil.h: added "const" for zmem*
- . Make_vms.com: fixed some typos
- . Make_vms.com: msdos/Makefile.*: removed zutil.h from some dependency lists
- . msdos/Makefile.msc: remove "default rtl link library" info from obj files
- . msdos/Makefile.*: use model-dependent name for the built zlib library
- . msdos/Makefile.emx, nt/Makefile.emx, nt/Makefile.gcc:
- new makefiles, for emx (DOS/OS2), emx&rsxnt and mingw32 (Windows 9x / NT)
-- use define instead of typedef for Bytef also for MSC small/medium (Tom Lane)
-- replace __far with _far for better portability (Christian Spieler, Tom Lane)
-- fix test for errno.h in configure (Tim Newsham)
-
-Changes in 1.1.2 (19 March 98)
-- added contrib/minzip, mini zip and unzip based on zlib (Gilles Vollant)
- See http://www.winimage.com/zLibDll/unzip.html
-- preinitialize the inflate tables for fixed codes, to make the code
- completely thread safe (Mark)
-- some simplifications and slight speed-up to the inflate code (Mark)
-- fix gzeof on non-compressed files (Allan Schrum)
-- add -std1 option in configure for OSF1 to fix gzprintf (Martin Mokrejs)
-- use default value of 4K for Z_BUFSIZE for 16-bit MSDOS (Tim Wegner + Glenn)
-- added os2/Makefile.def and os2/zlib.def (Andrew Zabolotny)
-- add shared lib support for UNIX_SV4.2MP (MATSUURA Takanori)
-- do not wrap extern "C" around system includes (Tom Lane)
-- mention zlib binding for TCL in README (Andreas Kupries)
-- added amiga/Makefile.pup for Amiga powerUP SAS/C PPC (Andreas Kleinert)
-- allow "make install prefix=..." even after configure (Glenn Randers-Pehrson)
-- allow "configure --prefix $HOME" (Tim Mooney)
-- remove warnings in example.c and gzio.c (Glenn Randers-Pehrson)
-- move Makefile.sas to amiga/Makefile.sas
-
-Changes in 1.1.1 (27 Feb 98)
-- fix macros _tr_tally_* in deflate.h for debug mode (Glenn Randers-Pehrson)
-- remove block truncation heuristic which had very marginal effect for zlib
- (smaller lit_bufsize than in gzip 1.2.4) and degraded a little the
- compression ratio on some files. This also allows inlining _tr_tally for
- matches in deflate_slow.
-- added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier)
-
-Changes in 1.1.0 (24 Feb 98)
-- do not return STREAM_END prematurely in inflate (John Bowler)
-- revert to the zlib 1.0.8 inflate to avoid the gcc 2.8.0 bug (Jeremy Buhler)
-- compile with -DFASTEST to get compression code optimized for speed only
-- in minigzip, try mmap'ing the input file first (Miguel Albrecht)
-- increase size of I/O buffers in minigzip.c and gzio.c (not a big gain
- on Sun but significant on HP)
-
-- add a pointer to experimental unzip library in README (Gilles Vollant)
-- initialize variable gcc in configure (Chris Herborth)
-
-Changes in 1.0.9 (17 Feb 1998)
-- added gzputs and gzgets functions
-- do not clear eof flag in gzseek (Mark Diekhans)
-- fix gzseek for files in transparent mode (Mark Diekhans)
-- do not assume that vsprintf returns the number of bytes written (Jens Krinke)
-- replace EXPORT with ZEXPORT to avoid conflict with other programs
-- added compress2 in zconf.h, zlib.def, zlib.dnt
-- new asm code from Gilles Vollant in contrib/asm386
-- simplify the inflate code (Mark):
- . Replace ZALLOC's in huft_build() with single ZALLOC in inflate_blocks_new()
- . ZALLOC the length list in inflate_trees_fixed() instead of using stack
- . ZALLOC the value area for huft_build() instead of using stack
- . Simplify Z_FINISH check in inflate()
-
-- Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8
-- in inftrees.c, avoid cc -O bug on HP (Farshid Elahi)
-- in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with
- the declaration of FAR (Gilles VOllant)
-- install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann)
-- read_buf buf parameter of type Bytef* instead of charf*
-- zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout)
-- do not redeclare unlink in minigzip.c for WIN32 (John Bowler)
-- fix check for presence of directories in "make install" (Ian Willis)
-
-Changes in 1.0.8 (27 Jan 1998)
-- fixed offsets in contrib/asm386/gvmat32.asm (Gilles Vollant)
-- fix gzgetc and gzputc for big endian systems (Markus Oberhumer)
-- added compress2() to allow setting the compression level
-- include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong)
-- use constant arrays for the static trees in trees.c instead of computing
- them at run time (thanks to Ken Raeburn for this suggestion). To create
- trees.h, compile with GEN_TREES_H and run "make test".
-- check return code of example in "make test" and display result
-- pass minigzip command line options to file_compress
-- simplifying code of inflateSync to avoid gcc 2.8 bug
-
-- support CC="gcc -Wall" in configure -s (QingLong)
-- avoid a flush caused by ftell in gzopen for write mode (Ken Raeburn)
-- fix test for shared library support to avoid compiler warnings
-- zlib.lib -> zlib.dll in msdos/zlib.rc (Gilles Vollant)
-- check for TARGET_OS_MAC in addition to MACOS (Brad Pettit)
-- do not use fdopen for Metrowerks on Mac (Brad Pettit))
-- add checks for gzputc and gzputc in example.c
-- avoid warnings in gzio.c and deflate.c (Andreas Kleinert)
-- use const for the CRC table (Ken Raeburn)
-- fixed "make uninstall" for shared libraries
-- use Tracev instead of Trace in infblock.c
-- in example.c use correct compressed length for test_sync
-- suppress +vnocompatwarnings in configure for HPUX (not always supported)
-
-Changes in 1.0.7 (20 Jan 1998)
-- fix gzseek which was broken in write mode
-- return error for gzseek to negative absolute position
-- fix configure for Linux (Chun-Chung Chen)
-- increase stack space for MSC (Tim Wegner)
-- get_crc_table and inflateSyncPoint are EXPORTed (Gilles Vollant)
-- define EXPORTVA for gzprintf (Gilles Vollant)
-- added man page zlib.3 (Rick Rodgers)
-- for contrib/untgz, fix makedir() and improve Makefile
-
-- check gzseek in write mode in example.c
-- allocate extra buffer for seeks only if gzseek is actually called
-- avoid signed/unsigned comparisons (Tim Wegner, Gilles Vollant)
-- add inflateSyncPoint in zconf.h
-- fix list of exported functions in nt/zlib.dnt and mdsos/zlib.def
-
-Changes in 1.0.6 (19 Jan 1998)
-- add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and
- gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code)
-- Fix a deflate bug occurring only with compression level 0 (thanks to
- Andy Buckler for finding this one).
-- In minigzip, pass transparently also the first byte for .Z files.
-- return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress()
-- check Z_FINISH in inflate (thanks to Marc Schluper)
-- Implement deflateCopy (thanks to Adam Costello)
-- make static libraries by default in configure, add --shared option.
-- move MSDOS or Windows specific files to directory msdos
-- suppress the notion of partial flush to simplify the interface
- (but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4)
-- suppress history buffer provided by application to simplify the interface
- (this feature was not implemented anyway in 1.0.4)
-- next_in and avail_in must be initialized before calling inflateInit or
- inflateInit2
-- add EXPORT in all exported functions (for Windows DLL)
-- added Makefile.nt (thanks to Stephen Williams)
-- added the unsupported "contrib" directory:
- contrib/asm386/ by Gilles Vollant <info@winimage.com>
- 386 asm code replacing longest_match().
- contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu>
- A C++ I/O streams interface to the zlib gz* functions
- contrib/iostream2/ by Tyge Løvset <Tyge.Lovset@cmr.no>
- Another C++ I/O streams interface
- contrib/untgz/ by "Pedro A. Aranda Guti\irrez" <paag@tid.es>
- A very simple tar.gz file extractor using zlib
- contrib/visual-basic.txt by Carlos Rios <c_rios@sonda.cl>
- How to use compress(), uncompress() and the gz* functions from VB.
-- pass params -f (filtered data), -h (huffman only), -1 to -9 (compression
- level) in minigzip (thanks to Tom Lane)
-
-- use const for rommable constants in deflate
-- added test for gzseek and gztell in example.c
-- add undocumented function inflateSyncPoint() (hack for Paul Mackerras)
-- add undocumented function zError to convert error code to string
- (for Tim Smithers)
-- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code.
-- Use default memcpy for Symantec MSDOS compiler.
-- Add EXPORT keyword for check_func (needed for Windows DLL)
-- add current directory to LD_LIBRARY_PATH for "make test"
-- create also a link for libz.so.1
-- added support for FUJITSU UXP/DS (thanks to Toshiaki Nomura)
-- use $(SHAREDLIB) instead of libz.so in Makefile.in (for HPUX)
-- added -soname for Linux in configure (Chun-Chung Chen,
-- assign numbers to the exported functions in zlib.def (for Windows DLL)
-- add advice in zlib.h for best usage of deflateSetDictionary
-- work around compiler bug on Atari (cast Z_NULL in call of s->checkfn)
-- allow compilation with ANSI keywords only enabled for TurboC in large model
-- avoid "versionString"[0] (Borland bug)
-- add NEED_DUMMY_RETURN for Borland
-- use variable z_verbose for tracing in debug mode (L. Peter Deutsch).
-- allow compilation with CC
-- defined STDC for OS/2 (David Charlap)
-- limit external names to 8 chars for MVS (Thomas Lund)
-- in minigzip.c, use static buffers only for 16-bit systems
-- fix suffix check for "minigzip -d foo.gz"
-- do not return an error for the 2nd of two consecutive gzflush() (Felix Lee)
-- use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau)
-- added makelcc.bat for lcc-win32 (Tom St Denis)
-- in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe)
-- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion.
-- check for unistd.h in configure (for off_t)
-- remove useless check parameter in inflate_blocks_free
-- avoid useless assignment of s->check to itself in inflate_blocks_new
-- do not flush twice in gzclose (thanks to Ken Raeburn)
-- rename FOPEN as F_OPEN to avoid clash with /usr/include/sys/file.h
-- use NO_ERRNO_H instead of enumeration of operating systems with errno.h
-- work around buggy fclose on pipes for HP/UX
-- support zlib DLL with BORLAND C++ 5.0 (thanks to Glenn Randers-Pehrson)
-- fix configure if CC is already equal to gcc
-
-Changes in 1.0.5 (3 Jan 98)
-- Fix inflate to terminate gracefully when fed corrupted or invalid data
-- Use const for rommable constants in inflate
-- Eliminate memory leaks on error conditions in inflate
-- Removed some vestigial code in inflate
-- Update web address in README
-
-Changes in 1.0.4 (24 Jul 96)
-- In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF
- bit, so the decompressor could decompress all the correct data but went
- on to attempt decompressing extra garbage data. This affected minigzip too.
-- zlibVersion and gzerror return const char* (needed for DLL)
-- port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno)
-- use z_error only for DEBUG (avoid problem with DLLs)
-
-Changes in 1.0.3 (2 Jul 96)
-- use z_streamp instead of z_stream *, which is now a far pointer in MSDOS
- small and medium models; this makes the library incompatible with previous
- versions for these models. (No effect in large model or on other systems.)
-- return OK instead of BUF_ERROR if previous deflate call returned with
- avail_out as zero but there is nothing to do
-- added memcmp for non STDC compilers
-- define NO_DUMMY_DECL for more Mac compilers (.h files merged incorrectly)
-- define __32BIT__ if __386__ or i386 is defined (pb. with Watcom and SCO)
-- better check for 16-bit mode MSC (avoids problem with Symantec)
-
-Changes in 1.0.2 (23 May 96)
-- added Windows DLL support
-- added a function zlibVersion (for the DLL support)
-- fixed declarations using Bytef in infutil.c (pb with MSDOS medium model)
-- Bytef is define's instead of typedef'd only for Borland C
-- avoid reading uninitialized memory in example.c
-- mention in README that the zlib format is now RFC1950
-- updated Makefile.dj2
-- added algorithm.doc
-
-Changes in 1.0.1 (20 May 96) [1.0 skipped to avoid confusion]
-- fix array overlay in deflate.c which sometimes caused bad compressed data
-- fix inflate bug with empty stored block
-- fix MSDOS medium model which was broken in 0.99
-- fix deflateParams() which could generated bad compressed data.
-- Bytef is define'd instead of typedef'ed (work around Borland bug)
-- added an INDEX file
-- new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32),
- Watcom (Makefile.wat), Amiga SAS/C (Makefile.sas)
-- speed up adler32 for modern machines without auto-increment
-- added -ansi for IRIX in configure
-- static_init_done in trees.c is an int
-- define unlink as delete for VMS
-- fix configure for QNX
-- add configure branch for SCO and HPUX
-- avoid many warnings (unused variables, dead assignments, etc...)
-- no fdopen for BeOS
-- fix the Watcom fix for 32 bit mode (define FAR as empty)
-- removed redefinition of Byte for MKWERKS
-- work around an MWKERKS bug (incorrect merge of all .h files)
-
-Changes in 0.99 (27 Jan 96)
-- allow preset dictionary shared between compressor and decompressor
-- allow compression level 0 (no compression)
-- add deflateParams in zlib.h: allow dynamic change of compression level
- and compression strategy.
-- test large buffers and deflateParams in example.c
-- add optional "configure" to build zlib as a shared library
-- suppress Makefile.qnx, use configure instead
-- fixed deflate for 64-bit systems (detected on Cray)
-- fixed inflate_blocks for 64-bit systems (detected on Alpha)
-- declare Z_DEFLATED in zlib.h (possible parameter for deflateInit2)
-- always return Z_BUF_ERROR when deflate() has nothing to do
-- deflateInit and inflateInit are now macros to allow version checking
-- prefix all global functions and types with z_ with -DZ_PREFIX
-- make falloc completely reentrant (inftrees.c)
-- fixed very unlikely race condition in ct_static_init
-- free in reverse order of allocation to help memory manager
-- use zlib-1.0/* instead of zlib/* inside the tar.gz
-- make zlib warning-free with "gcc -O3 -Wall -Wwrite-strings -Wpointer-arith
- -Wconversion -Wstrict-prototypes -Wmissing-prototypes"
-- allow gzread on concatenated .gz files
-- deflateEnd now returns Z_DATA_ERROR if it was premature
-- deflate is finally (?) fully deterministic (no matches beyond end of input)
-- Document Z_SYNC_FLUSH
-- add uninstall in Makefile
-- Check for __cpluplus in zlib.h
-- Better test in ct_align for partial flush
-- avoid harmless warnings for Borland C++
-- initialize hash_head in deflate.c
-- avoid warning on fdopen (gzio.c) for HP cc -Aa
-- include stdlib.h for STDC compilers
-- include errno.h for Cray
-- ignore error if ranlib doesn't exist
-- call ranlib twice for NeXTSTEP
-- use exec_prefix instead of prefix for libz.a
-- renamed ct_* as _tr_* to avoid conflict with applications
-- clear z->msg in inflateInit2 before any error return
-- initialize opaque in example.c, gzio.c, deflate.c and inflate.c
-- fixed typo in zconf.h (_GNUC__ => __GNUC__)
-- check for WIN32 in zconf.h and zutil.c (avoid farmalloc in 32-bit mode)
-- fix typo in Make_vms.com (f$trnlnm -> f$getsyi)
-- in fcalloc, normalize pointer if size > 65520 bytes
-- don't use special fcalloc for 32 bit Borland C++
-- use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc...
-- use Z_BINARY instead of BINARY
-- document that gzclose after gzdopen will close the file
-- allow "a" as mode in gzopen.
-- fix error checking in gzread
-- allow skipping .gz extra-field on pipes
-- added reference to Perl interface in README
-- put the crc table in FAR data (I dislike more and more the medium model :)
-- added get_crc_table
-- added a dimension to all arrays (Borland C can't count).
-- workaround Borland C bug in declaration of inflate_codes_new & inflate_fast
-- guard against multiple inclusion of *.h (for precompiled header on Mac)
-- Watcom C pretends to be Microsoft C small model even in 32 bit mode.
-- don't use unsized arrays to avoid silly warnings by Visual C++:
- warning C4746: 'inflate_mask' : unsized array treated as '__far'
- (what's wrong with far data in far model?).
-- define enum out of inflate_blocks_state to allow compilation with C++
-
-Changes in 0.95 (16 Aug 95)
-- fix MSDOS small and medium model (now easier to adapt to any compiler)
-- inlined send_bits
-- fix the final (:-) bug for deflate with flush (output was correct but
- not completely flushed in rare occasions).
-- default window size is same for compression and decompression
- (it's now sufficient to set MAX_WBITS in zconf.h).
-- voidp -> voidpf and voidnp -> voidp (for consistency with other
- typedefs and because voidnp was not near in large model).
-
-Changes in 0.94 (13 Aug 95)
-- support MSDOS medium model
-- fix deflate with flush (could sometimes generate bad output)
-- fix deflateReset (zlib header was incorrectly suppressed)
-- added support for VMS
-- allow a compression level in gzopen()
-- gzflush now calls fflush
-- For deflate with flush, flush even if no more input is provided.
-- rename libgz.a as libz.a
-- avoid complex expression in infcodes.c triggering Turbo C bug
-- work around a problem with gcc on Alpha (in INSERT_STRING)
-- don't use inline functions (problem with some gcc versions)
-- allow renaming of Byte, uInt, etc... with #define.
-- avoid warning about (unused) pointer before start of array in deflate.c
-- avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c
-- avoid reserved word 'new' in trees.c
-
-Changes in 0.93 (25 June 95)
-- temporarily disable inline functions
-- make deflate deterministic
-- give enough lookahead for PARTIAL_FLUSH
-- Set binary mode for stdin/stdout in minigzip.c for OS/2
-- don't even use signed char in inflate (not portable enough)
-- fix inflate memory leak for segmented architectures
-
-Changes in 0.92 (3 May 95)
-- don't assume that char is signed (problem on SGI)
-- Clear bit buffer when starting a stored block
-- no memcpy on Pyramid
-- suppressed inftest.c
-- optimized fill_window, put longest_match inline for gcc
-- optimized inflate on stored blocks.
-- untabify all sources to simplify patches
-
-Changes in 0.91 (2 May 95)
-- Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h
-- Document the memory requirements in zconf.h
-- added "make install"
-- fix sync search logic in inflateSync
-- deflate(Z_FULL_FLUSH) now works even if output buffer too short
-- after inflateSync, don't scare people with just "lo world"
-- added support for DJGPP
-
-Changes in 0.9 (1 May 95)
-- don't assume that zalloc clears the allocated memory (the TurboC bug
- was Mark's bug after all :)
-- let again gzread copy uncompressed data unchanged (was working in 0.71)
-- deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented
-- added a test of inflateSync in example.c
-- moved MAX_WBITS to zconf.h because users might want to change that.
-- document explicitly that zalloc(64K) on MSDOS must return a normalized
- pointer (zero offset)
-- added Makefiles for Microsoft C, Turbo C, Borland C++
-- faster crc32()
-
-Changes in 0.8 (29 April 95)
-- added fast inflate (inffast.c)
-- deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this
- is incompatible with previous versions of zlib which returned Z_OK.
-- work around a TurboC compiler bug (bad code for b << 0, see infutil.h)
- (actually that was not a compiler bug, see 0.81 above)
-- gzread no longer reads one extra byte in certain cases
-- In gzio destroy(), don't reference a freed structure
-- avoid many warnings for MSDOS
-- avoid the ERROR symbol which is used by MS Windows
-
-Changes in 0.71 (14 April 95)
-- Fixed more MSDOS compilation problems :( There is still a bug with
- TurboC large model.
-
-Changes in 0.7 (14 April 95)
-- Added full inflate support.
-- Simplified the crc32() interface. The pre- and post-conditioning
- (one's complement) is now done inside crc32(). WARNING: this is
- incompatible with previous versions; see zlib.h for the new usage.
-
-Changes in 0.61 (12 April 95)
-- workaround for a bug in TurboC. example and minigzip now work on MSDOS.
-
-Changes in 0.6 (11 April 95)
-- added minigzip.c
-- added gzdopen to reopen a file descriptor as gzFile
-- added transparent reading of non-gziped files in gzread.
-- fixed bug in gzread (don't read crc as data)
-- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose).
-- don't allocate big arrays in the stack (for MSDOS)
-- fix some MSDOS compilation problems
-
-Changes in 0.5:
-- do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but
- not yet Z_FULL_FLUSH.
-- support decompression but only in a single step (forced Z_FINISH)
-- added opaque object for zalloc and zfree.
-- added deflateReset and inflateReset
-- added a variable zlib_version for consistency checking.
-- renamed the 'filter' parameter of deflateInit2 as 'strategy'.
- Added Z_FILTERED and Z_HUFFMAN_ONLY constants.
-
-Changes in 0.4:
-- avoid "zip" everywhere, use zlib instead of ziplib.
-- suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush
- if compression method == 8.
-- added adler32 and crc32
-- renamed deflateOptions as deflateInit2, call one or the other but not both
-- added the method parameter for deflateInit2.
-- added inflateInit2
-- simplied considerably deflateInit and inflateInit by not supporting
- user-provided history buffer. This is supported only in deflateInit2
- and inflateInit2.
-
-Changes in 0.3:
-- prefix all macro names with Z_
-- use Z_FINISH instead of deflateEnd to finish compression.
-- added Z_HUFFMAN_ONLY
-- added gzerror()
+++ /dev/null
-
- Frequently Asked Questions about zlib
-
-
-If your question is not there, please check the zlib home page
-http://www.zlib.org which may have more recent information.
-The lastest zlib FAQ is at http://www.gzip.org/zlib/zlib_faq.html
-
-
- 1. Is zlib Y2K-compliant?
-
- Yes. zlib doesn't handle dates.
-
- 2. Where can I get a Windows DLL version?
-
- The zlib sources can be compiled without change to produce a DLL.
- See the file win32/DLL_FAQ.txt in the zlib distribution.
- Pointers to the precompiled DLL are found in the zlib web site at
- http://www.zlib.org.
-
- 3. Where can I get a Visual Basic interface to zlib?
-
- See
- * http://www.dogma.net/markn/articles/zlibtool/zlibtool.htm
- * contrib/visual-basic.txt in the zlib distribution
- * win32/DLL_FAQ.txt in the zlib distribution
-
- 4. compress() returns Z_BUF_ERROR.
-
- Make sure that before the call of compress, the length of the compressed
- buffer is equal to the total size of the compressed buffer and not
- zero. For Visual Basic, check that this parameter is passed by reference
- ("as any"), not by value ("as long").
-
- 5. deflate() or inflate() returns Z_BUF_ERROR.
-
- Before making the call, make sure that avail_in and avail_out are not
- zero. When setting the parameter flush equal to Z_FINISH, also make sure
- that avail_out is big enough to allow processing all pending input.
- Note that a Z_BUF_ERROR is not fatal--another call to deflate() or
- inflate() can be made with more input or output space. A Z_BUF_ERROR
- may in fact be unavoidable depending on how the functions are used, since
- it is not possible to tell whether or not there is more output pending
- when strm.avail_out returns with zero.
-
- 6. Where's the zlib documentation (man pages, etc.)?
-
- It's in zlib.h for the moment, and Francis S. Lin has converted it to a
- web page zlib.html. Volunteers to transform this to Unix-style man pages,
- please contact us (zlib@gzip.org). Examples of zlib usage are in the files
- example.c and minigzip.c.
-
- 7. Why don't you use GNU autoconf or libtool or ...?
-
- Because we would like to keep zlib as a very small and simple
- package. zlib is rather portable and doesn't need much configuration.
-
- 8. I found a bug in zlib.
-
- Most of the time, such problems are due to an incorrect usage of
- zlib. Please try to reproduce the problem with a small program and send
- the corresponding source to us at zlib@gzip.org . Do not send
- multi-megabyte data files without prior agreement.
-
- 9. Why do I get "undefined reference to gzputc"?
-
- If "make test" produces something like
-
- example.o(.text+0x154): undefined reference to `gzputc'
-
- check that you don't have old files libz.* in /usr/lib, /usr/local/lib or
- /usr/X11R6/lib. Remove any old versions, then do "make install".
-
-10. I need a Delphi interface to zlib.
-
- See the contrib/delphi directory in the zlib distribution.
-
-11. Can zlib handle .zip archives?
-
- Not by itself, no. See the directory contrib/minizip in the zlib
- distribution.
-
-12. Can zlib handle .Z files?
-
- No, sorry. You have to spawn an uncompress or gunzip subprocess, or adapt
- the code of uncompress on your own.
-
-13. How can I make a Unix shared library?
-
- make clean
- ./configure -s
- make
-
-14. How do I install a shared zlib library on Unix?
-
- After the above, then:
-
- make install
-
- However, many flavors of Unix come with a shared zlib already installed.
- Before going to the trouble of compiling a shared version of zlib and
- trying to install it, you may want to check if it's already there! If you
- can #include <zlib.h>, it's there. The -lz option will probably link to it.
-
-15. I have a question about OttoPDF.
-
- We are not the authors of OttoPDF. The real author is on the OttoPDF web
- site: Joel Hainley, jhainley@myndkryme.com.
-
-16. Can zlib decode Flate data in an Adobe PDF file?
-
- Yes. See http://www.fastio.com/ (ClibPDF), or http://www.pdflib.com/ .
- To modify PDF forms, see http://sourceforge.net/projects/acroformtool/ .
-
-17. Why am I getting this "register_frame_info not found" error on Solaris?
-
- After installing zlib 1.1.4 on Solaris 2.6, running applications using zlib
- generates an error such as:
-
- ld.so.1: rpm: fatal: relocation error: file /usr/local/lib/libz.so:
- symbol __register_frame_info: referenced symbol not found
-
- The symbol __register_frame_info is not part of zlib, it is generated by
- the C compiler (cc or gcc). You must recompile applications using zlib
- which have this problem. This problem is specific to Solaris. See
- http://www.sunfreeware.com for Solaris versions of zlib and applications
- using zlib.
-
-18. Why does gzip give an error on a file I make with compress/deflate?
-
- The compress and deflate functions produce data in the zlib format, which
- is different and incompatible with the gzip format. The gz* functions in
- zlib on the other hand use the gzip format. Both the zlib and gzip
- formats use the same compressed data format internally, but have different
- headers and trailers around the compressed data.
-
-19. Ok, so why are there two different formats?
-
- The gzip format was designed to retain the directory information about
- a single file, such as the name and last modification date. The zlib
- format on the other hand was designed for in-memory and communication
- channel applications, and has a much more compact header and trailer and
- uses a faster integrity check than gzip.
-
-20. Well that's nice, but how do I make a gzip file in memory?
-
- You can request that deflate write the gzip format instead of the zlib
- format using deflateInit2(). You can also request that inflate decode
- the gzip format using inflateInit2(). Read zlib.h for more details.
-
-21. Is zlib thread-safe?
-
- Yes. However any library routines that zlib uses and any application-
- provided memory allocation routines must also be thread-safe. zlib's gz*
- functions use stdio library routines, and most of zlib's functions use the
- library memory allocation routines by default. zlib's Init functions allow
- for the application to provide custom memory allocation routines.
-
- Of course, you should only operate on any given zlib or gzip stream from a
- single thread at a time.
-
-22. Can I use zlib in my commercial application?
-
- Yes. Please read the license in zlib.h.
-
-23. Is zlib under the GNU license?
-
- No. Please read the license in zlib.h.
-
-24. The license says that altered source versions must be "plainly marked". So
- what exactly do I need to do to meet that requirement?
-
- You need to change the ZLIB_VERSION and ZLIB_VERNUM #defines in zlib.h. In
- particular, the final version number needs to be changed to "f", and an
- identification string should be appended to ZLIB_VERSION. Version numbers
- x.x.x.f are reserved for modifications to zlib by others than the zlib
- maintainers. For example, if the version of the base zlib you are altering
- is "1.2.3.4", then in zlib.h you should change ZLIB_VERNUM to 0x123f, and
- ZLIB_VERSION to something like "1.2.3.f-zachary-mods-v3". You can also
- update the version strings in deflate.c and inftrees.c.
-
- For altered source distributions, you should also note the origin and
- nature of the changes in zlib.h, as well as in ChangeLog and README, along
- with the dates of the alterations. The origin should include at least your
- name (or your company's name), and an email address to contact for help or
- issues with the library.
-
- Note that distributing a compiled zlib library along with zlib.h and
- zconf.h is also a source distribution, and so you should change
- ZLIB_VERSION and ZLIB_VERNUM and note the origin and nature of the changes
- in zlib.h as you would for a full source distribution.
-
-25. Will zlib work on a big-endian or little-endian architecture, and can I
- exchange compressed data between them?
-
- Yes and yes.
-
-26. Will zlib work on a 64-bit machine?
-
- It should. It has been tested on 64-bit machines, and has no dependence
- on any data types being limited to 32-bits in length. If you have any
- difficulties, please provide a complete problem report to zlib@gzip.org
-
-27. Will zlib decompress data from the PKWare Data Compression Library?
-
- No. The PKWare DCL uses a completely different compressed data format
- than does PKZIP and zlib. However, you can look in zlib's contrib/blast
- directory for a possible solution to your problem.
-
-28. Can I access data randomly in a compressed stream?
-
- No, not without some preparation. If when compressing you periodically
- use Z_FULL_FLUSH, carefully write all the pending data at those points,
- and keep an index of those locations, then you can start decompression
- at those points. You have to be careful to not use Z_FULL_FLUSH too
- often, since it can significantly degrade compression.
-
-29. Does zlib work on MVS, OS/390, CICS, etc.?
-
- We don't know for sure. We have heard occasional reports of success on
- these systems. If you do use it on one of these, please provide us with
- a report, instructions, and patches that we can reference when we get
- these questions. Thanks.
-
-30. Is there some simpler, easier to read version of inflate I can look at
- to understand the deflate format?
-
- First off, you should read RFC 1951. Second, yes. Look in zlib's
- contrib/puff directory.
-
-31. Does zlib infringe on any patents?
-
- As far as we know, no. In fact, that was originally the whole point behind
- zlib. Look here for some more information:
-
- http://www.gzip.org/#faq11
-
-32. Can zlib work with greater than 4 GB of data?
-
- Yes. inflate() and deflate() will process any amount of data correctly.
- Each call of inflate() or deflate() is limited to input and output chunks
- of the maximum value that can be stored in the compiler's "unsigned int"
- type, but there is no limit to the number of chunks. Note however that the
- strm.total_in and strm_total_out counters may be limited to 4 GB. These
- counters are provided as a convenience and are not used internally by
- inflate() or deflate(). The application can easily set up its own counters
- updated after each call of inflate() or deflate() to count beyond 4 GB.
- compress() and uncompress() may be limited to 4 GB, since they operate in a
- single call. gzseek() and gztell() may be limited to 4 GB depending on how
- zlib is compiled. See the zlibCompileFlags() function in zlib.h.
-
- The word "may" appears several times above since there is a 4 GB limit
- only if the compiler's "long" type is 32 bits. If the compiler's "long"
- type is 64 bits, then the limit is 16 exabytes.
-
-33. Does zlib have any security vulnerabilities?
-
- The only one that we are aware of is potentially in gzprintf(). If zlib
- is compiled to use sprintf() or vsprintf(), then there is no protection
- against a buffer overflow of a 4K string space, other than the caller of
- gzprintf() assuring that the output will not exceed 4K. On the other
- hand, if zlib is compiled to use snprintf() or vsnprintf(), which should
- normally be the case, then there is no vulnerability. The ./configure
- script will display warnings if an insecure variation of sprintf() will
- be used by gzprintf(). Also the zlibCompileFlags() function will return
- information on what variant of sprintf() is used by gzprintf().
-
- If you don't have snprintf() or vsnprintf() and would like one, you can
- find a portable implementation here:
-
- http://www.ijs.si/software/snprintf/
-
- Note that you should be using the most recent version of zlib. Versions
- 1.1.3 and before were subject to a double-free vulnerability.
-
-34. Is there a Java version of zlib?
-
- Probably what you want is to use zlib in Java. zlib is already included
- as part of the Java SDK in the java.util.zip package. If you really want
- a version of zlib written in the Java language, look on the zlib home
- page for links: http://www.zlib.org/
-
-35. I get this or that compiler or source-code scanner warning when I crank it
- up to maximally-pedantic. Can't you guys write proper code?
-
- Many years ago, we gave up attempting to avoid warnings on every compiler
- in the universe. It just got to be a waste of time, and some compilers
- were downright silly. So now, we simply make sure that the code always
- works.
-
-36. Valgrind (or some similar memory access checker) says that deflate is
- performing a conditional jump that depends on an uninitialized value.
- Isn't that a bug?
-
- No. That is intentional for performance reasons, and the output of
- deflate is not affected. This only started showing up recently since
- zlib 1.2.x uses malloc() by default for allocations, whereas earlier
- versions used calloc(), which zeros out the allocated memory.
-
-37. Will zlib read the (insert any ancient or arcane format here) compressed
- data format?
-
- Probably not. Look in the comp.compression FAQ for pointers to various
- formats and associated software.
-
-38. How can I encrypt/decrypt zip files with zlib?
-
- zlib doesn't support encryption. The original PKZIP encryption is very weak
- and can be broken with freely available programs. To get strong encryption,
- use GnuPG, http://www.gnupg.org/ , which already includes zlib compression.
- For PKZIP compatible "encryption", look at http://www.info-zip.org/
-
-39. What's the difference between the "gzip" and "deflate" HTTP 1.1 encodings?
-
- "gzip" is the gzip format, and "deflate" is the zlib format. They should
- probably have called the second one "zlib" instead to avoid confusion
- with the raw deflate compressed data format. While the HTTP 1.1 RFC 2616
- correctly points to the zlib specification in RFC 1950 for the "deflate"
- transfer encoding, there have been reports of servers and browsers that
- incorrectly produce or expect raw deflate data per the deflate
- specficiation in RFC 1951, most notably Microsoft. So even though the
- "deflate" transfer encoding using the zlib format would be the more
- efficient approach (and in fact exactly what the zlib format was designed
- for), using the "gzip" transfer encoding is probably more reliable due to
- an unfortunate choice of name on the part of the HTTP 1.1 authors.
-
- Bottom line: use the gzip format for HTTP 1.1 encoding.
-
-40. Does zlib support the new "Deflate64" format introduced by PKWare?
-
- No. PKWare has apparently decided to keep that format proprietary, since
- they have not documented it as they have previous compression formats.
- In any case, the compression improvements are so modest compared to other
- more modern approaches, that it's not worth the effort to implement.
-
-41. Can you please sign these lengthy legal documents and fax them back to us
- so that we can use your software in our product?
-
- No. Go away. Shoo.
+++ /dev/null
-ChangeLog history of changes
-FAQ Frequently Asked Questions about zlib
-INDEX this file
-Makefile makefile for Unix (generated by configure)
-Makefile.in makefile for Unix (template for configure)
-README guess what
-algorithm.txt description of the (de)compression algorithm
-configure configure script for Unix
-zconf.in.h template for zconf.h (used by configure)
-
-amiga/ makefiles for Amiga SAS C
-as400/ makefiles for IBM AS/400
-msdos/ makefiles for MSDOS
-old/ makefiles for various architectures and zlib documentation
- files that have not yet been updated for zlib 1.2.x
-projects/ projects for various Integrated Development Environments
-qnx/ makefiles for QNX
-win32/ makefiles for Windows
-
- zlib public header files (must be kept):
-zconf.h
-zlib.h
-
- private source files used to build the zlib library:
-adler32.c
-compress.c
-crc32.c
-crc32.h
-deflate.c
-deflate.h
-gzio.c
-infback.c
-inffast.c
-inffast.h
-inffixed.h
-inflate.c
-inflate.h
-inftrees.c
-inftrees.h
-trees.c
-trees.h
-uncompr.c
-zutil.c
-zutil.h
-
- source files for sample programs:
-example.c
-minigzip.c
-
- unsupported contribution by third parties
-See contrib/README.contrib
+++ /dev/null
-# Makefile for zlib
-# Copyright (C) 1995-2005 Jean-loup Gailly.
-# For conditions of distribution and use, see copyright notice in zlib.h
-
-# To compile and test, type:
-# ./configure; make test
-# The call of configure is optional if you don't have special requirements
-# If you wish to build zlib as a shared library, use: ./configure -s
-
-# To use the asm code, type:
-# cp contrib/asm?86/match.S ./match.S
-# make LOC=-DASMV OBJA=match.o
-
-# To install /usr/local/lib/libz.* and /usr/local/include/zlib.h, type:
-# make install
-# To install in $HOME instead of /usr/local, use:
-# make install prefix=$HOME
-
-CC=cc
-
-CFLAGS=-O
-#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
-#CFLAGS=-g -DDEBUG
-#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-# -Wstrict-prototypes -Wmissing-prototypes
-
-LDFLAGS=libz.a
-LDSHARED=$(CC)
-CPP=$(CC) -E
-
-LIBS=libz.a
-SHAREDLIB=libz.so
-SHAREDLIBV=libz.so.1.2.3
-SHAREDLIBM=libz.so.1
-
-AR=ar rc
-RANLIB=ranlib
-TAR=tar
-SHELL=/bin/sh
-EXE=
-
-prefix = /usr/local
-exec_prefix = ${prefix}
-libdir = ${exec_prefix}/lib
-includedir = ${prefix}/include
-mandir = ${prefix}/share/man
-man3dir = ${mandir}/man3
-
-OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infback.o inftrees.o inffast.o
-
-OBJA =
-# to use the asm code: make OBJA=match.o
-
-TEST_OBJS = example.o minigzip.o
-
-all: example$(EXE) minigzip$(EXE)
-
-check: test
-test: all
- @LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \
- echo hello world | ./minigzip | ./minigzip -d || \
- echo ' *** minigzip test FAILED ***' ; \
- if ./example; then \
- echo ' *** zlib test OK ***'; \
- else \
- echo ' *** zlib test FAILED ***'; \
- fi
-
-libz.a: $(OBJS) $(OBJA)
- $(AR) $@ $(OBJS) $(OBJA)
- -@ ($(RANLIB) $@ || true) >/dev/null 2>&1
-
-match.o: match.S
- $(CPP) match.S > _match.s
- $(CC) -c _match.s
- mv _match.o match.o
- rm -f _match.s
-
-$(SHAREDLIBV): $(OBJS)
- $(LDSHARED) -o $@ $(OBJS)
- rm -f $(SHAREDLIB) $(SHAREDLIBM)
- ln -s $@ $(SHAREDLIB)
- ln -s $@ $(SHAREDLIBM)
-
-example$(EXE): example.o $(LIBS)
- $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS)
-
-minigzip$(EXE): minigzip.o $(LIBS)
- $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS)
-
-install: $(LIBS)
- -@if [ ! -d $(exec_prefix) ]; then mkdir -p $(exec_prefix); fi
- -@if [ ! -d $(includedir) ]; then mkdir -p $(includedir); fi
- -@if [ ! -d $(libdir) ]; then mkdir -p $(libdir); fi
- -@if [ ! -d $(man3dir) ]; then mkdir -p $(man3dir); fi
- cp zlib.h zconf.h $(includedir)
- chmod 644 $(includedir)/zlib.h $(includedir)/zconf.h
- cp $(LIBS) $(libdir)
- cd $(libdir); chmod 755 $(LIBS)
- -@(cd $(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1
- cd $(libdir); if test -f $(SHAREDLIBV); then \
- rm -f $(SHAREDLIB) $(SHAREDLIBM); \
- ln -s $(SHAREDLIBV) $(SHAREDLIB); \
- ln -s $(SHAREDLIBV) $(SHAREDLIBM); \
- (ldconfig || true) >/dev/null 2>&1; \
- fi
- cp zlib.3 $(man3dir)
- chmod 644 $(man3dir)/zlib.3
-# The ranlib in install is needed on NeXTSTEP which checks file times
-# ldconfig is for Linux
-
-uninstall:
- cd $(includedir); \
- cd $(libdir); rm -f libz.a; \
- if test -f $(SHAREDLIBV); then \
- rm -f $(SHAREDLIBV) $(SHAREDLIB) $(SHAREDLIBM); \
- fi
- cd $(man3dir); rm -f zlib.3
-
-mostlyclean: clean
-clean:
- rm -f *.o *~ example$(EXE) minigzip$(EXE) \
- libz.* foo.gz so_locations \
- _match.s maketree contrib/infback9/*.o
-
-maintainer-clean: distclean
-distclean: clean
- cp -p Makefile.in Makefile
- cp -p zconf.in.h zconf.h
- rm -f .DS_Store
-
-tags:
- etags *.[ch]
-
-depend:
- makedepend -- $(CFLAGS) -- *.[ch]
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-adler32.o: zlib.h zconf.h
-compress.o: zlib.h zconf.h
-crc32.o: crc32.h zlib.h zconf.h
-deflate.o: deflate.h zutil.h zlib.h zconf.h
-example.o: zlib.h zconf.h
-gzio.o: zutil.h zlib.h zconf.h
-inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-inftrees.o: zutil.h zlib.h zconf.h inftrees.h
-minigzip.o: zlib.h zconf.h
-trees.o: deflate.h zutil.h zlib.h zconf.h trees.h
-uncompr.o: zlib.h zconf.h
-zutil.o: zutil.h zlib.h zconf.h
+++ /dev/null
-ZLIB DATA COMPRESSION LIBRARY
-
-zlib 1.2.3 is a general purpose data compression library. All the code is
-thread safe. The data format used by the zlib library is described by RFCs
-(Request for Comments) 1950 to 1952 in the files
-http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format)
-and rfc1952.txt (gzip format). These documents are also available in other
-formats from ftp://ftp.uu.net/graphics/png/documents/zlib/zdoc-index.html
-
-All functions of the compression library are documented in the file zlib.h
-(volunteer to write man pages welcome, contact zlib@gzip.org). A usage example
-of the library is given in the file example.c which also tests that the library
-is working correctly. Another example is given in the file minigzip.c. The
-compression library itself is composed of all source files except example.c and
-minigzip.c.
-
-To compile all files and run the test program, follow the instructions given at
-the top of Makefile. In short "make test; make install" should work for most
-machines. For Unix: "./configure; make test; make install". For MSDOS, use one
-of the special makefiles such as Makefile.msc. For VMS, use make_vms.com.
-
-Questions about zlib should be sent to <zlib@gzip.org>, or to Gilles Vollant
-<info@winimage.com> for the Windows DLL version. The zlib home page is
-http://www.zlib.org or http://www.gzip.org/zlib/ Before reporting a problem,
-please check this site to verify that you have the latest version of zlib;
-otherwise get the latest version and check whether the problem still exists or
-not.
-
-PLEASE read the zlib FAQ http://www.gzip.org/zlib/zlib_faq.html before asking
-for help.
-
-Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997
-issue of Dr. Dobb's Journal; a copy of the article is available in
-http://dogma.net/markn/articles/zlibtool/zlibtool.htm
-
-The changes made in version 1.2.3 are documented in the file ChangeLog.
-
-Unsupported third party contributions are provided in directory "contrib".
-
-A Java implementation of zlib is available in the Java Development Kit
-http://java.sun.com/j2se/1.4.2/docs/api/java/util/zip/package-summary.html
-See the zlib home page http://www.zlib.org for details.
-
-A Perl interface to zlib written by Paul Marquess <pmqs@cpan.org> is in the
-CPAN (Comprehensive Perl Archive Network) sites
-http://www.cpan.org/modules/by-module/Compress/
-
-A Python interface to zlib written by A.M. Kuchling <amk@amk.ca> is
-available in Python 1.5 and later versions, see
-http://www.python.org/doc/lib/module-zlib.html
-
-A zlib binding for TCL written by Andreas Kupries <a.kupries@westend.com> is
-availlable at http://www.oche.de/~akupries/soft/trf/trf_zip.html
-
-An experimental package to read and write files in .zip format, written on top
-of zlib by Gilles Vollant <info@winimage.com>, is available in the
-contrib/minizip directory of zlib.
-
-
-Notes for some targets:
-
-- For Windows DLL versions, please see win32/DLL_FAQ.txt
-
-- For 64-bit Irix, deflate.c must be compiled without any optimization. With
- -O, one libpng test fails. The test works in 32 bit mode (with the -n32
- compiler flag). The compiler bug has been reported to SGI.
-
-- zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1 it works
- when compiled with cc.
-
-- On Digital Unix 4.0D (formely OSF/1) on AlphaServer, the cc option -std1 is
- necessary to get gzprintf working correctly. This is done by configure.
-
-- zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works with
- other compilers. Use "make test" to check your compiler.
-
-- gzdopen is not supported on RISCOS, BEOS and by some Mac compilers.
-
-- For PalmOs, see http://palmzlib.sourceforge.net/
-
-- When building a shared, i.e. dynamic library on Mac OS X, the library must be
- installed before testing (do "make install" before "make test"), since the
- library location is specified in the library.
-
-
-Acknowledgments:
-
- The deflate format used by zlib was defined by Phil Katz. The deflate
- and zlib specifications were written by L. Peter Deutsch. Thanks to all the
- people who reported problems and suggested various improvements in zlib;
- they are too numerous to cite here.
-
-Copyright notice:
-
- (C) 1995-2004 Jean-loup Gailly and Mark Adler
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
- Jean-loup Gailly Mark Adler
- jloup@gzip.org madler@alumni.caltech.edu
-
-If you use the zlib library in a product, we would appreciate *not*
-receiving lengthy legal documents to sign. The sources are provided
-for free but without warranty of any kind. The library has been
-entirely written by Jean-loup Gailly and Mark Adler; it does not
-include third-party code.
-
-If you redistribute modified sources, we would appreciate that you include
-in the file ChangeLog history information documenting your changes. Please
-read the FAQ for more information on the distribution of modified source
-versions.
+++ /dev/null
-/* adler32.c -- compute the Adler-32 checksum of a data stream
- * Copyright (C) 1995-2004 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* @(#) $Id$ */
-
-#define ZLIB_INTERNAL
-#include "zlib.h"
-
-#define BASE 65521UL /* largest prime smaller than 65536 */
-#define NMAX 5552
-/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
-
-#define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;}
-#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
-#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
-#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
-#define DO16(buf) DO8(buf,0); DO8(buf,8);
-
-/* use NO_DIVIDE if your processor does not do division in hardware */
-#ifdef NO_DIVIDE
-# define MOD(a) \
- do { \
- if (a >= (BASE << 16)) a -= (BASE << 16); \
- if (a >= (BASE << 15)) a -= (BASE << 15); \
- if (a >= (BASE << 14)) a -= (BASE << 14); \
- if (a >= (BASE << 13)) a -= (BASE << 13); \
- if (a >= (BASE << 12)) a -= (BASE << 12); \
- if (a >= (BASE << 11)) a -= (BASE << 11); \
- if (a >= (BASE << 10)) a -= (BASE << 10); \
- if (a >= (BASE << 9)) a -= (BASE << 9); \
- if (a >= (BASE << 8)) a -= (BASE << 8); \
- if (a >= (BASE << 7)) a -= (BASE << 7); \
- if (a >= (BASE << 6)) a -= (BASE << 6); \
- if (a >= (BASE << 5)) a -= (BASE << 5); \
- if (a >= (BASE << 4)) a -= (BASE << 4); \
- if (a >= (BASE << 3)) a -= (BASE << 3); \
- if (a >= (BASE << 2)) a -= (BASE << 2); \
- if (a >= (BASE << 1)) a -= (BASE << 1); \
- if (a >= BASE) a -= BASE; \
- } while (0)
-# define MOD4(a) \
- do { \
- if (a >= (BASE << 4)) a -= (BASE << 4); \
- if (a >= (BASE << 3)) a -= (BASE << 3); \
- if (a >= (BASE << 2)) a -= (BASE << 2); \
- if (a >= (BASE << 1)) a -= (BASE << 1); \
- if (a >= BASE) a -= BASE; \
- } while (0)
-#else
-# define MOD(a) a %= BASE
-# define MOD4(a) a %= BASE
-#endif
-
-/* ========================================================================= */
-uLong ZEXPORT adler32(adler, buf, len)
- uLong adler;
- const Bytef *buf;
- uInt len;
-{
- unsigned long sum2;
- unsigned n;
-
- /* split Adler-32 into component sums */
- sum2 = (adler >> 16) & 0xffff;
- adler &= 0xffff;
-
- /* in case user likes doing a byte at a time, keep it fast */
- if (len == 1) {
- adler += buf[0];
- if (adler >= BASE)
- adler -= BASE;
- sum2 += adler;
- if (sum2 >= BASE)
- sum2 -= BASE;
- return adler | (sum2 << 16);
- }
-
- /* initial Adler-32 value (deferred check for len == 1 speed) */
- if (buf == Z_NULL)
- return 1L;
-
- /* in case short lengths are provided, keep it somewhat fast */
- if (len < 16) {
- while (len--) {
- adler += *buf++;
- sum2 += adler;
- }
- if (adler >= BASE)
- adler -= BASE;
- MOD4(sum2); /* only added so many BASE's */
- return adler | (sum2 << 16);
- }
-
- /* do length NMAX blocks -- requires just one modulo operation */
- while (len >= NMAX) {
- len -= NMAX;
- n = NMAX / 16; /* NMAX is divisible by 16 */
- do {
- DO16(buf); /* 16 sums unrolled */
- buf += 16;
- } while (--n);
- MOD(adler);
- MOD(sum2);
- }
-
- /* do remaining bytes (less than NMAX, still just one modulo) */
- if (len) { /* avoid modulos if none remaining */
- while (len >= 16) {
- len -= 16;
- DO16(buf);
- buf += 16;
- }
- while (len--) {
- adler += *buf++;
- sum2 += adler;
- }
- MOD(adler);
- MOD(sum2);
- }
-
- /* return recombined sums */
- return adler | (sum2 << 16);
-}
-
-/* ========================================================================= */
-uLong ZEXPORT adler32_combine(adler1, adler2, len2)
- uLong adler1;
- uLong adler2;
- z_off_t len2;
-{
- unsigned long sum1;
- unsigned long sum2;
- unsigned rem;
-
- /* the derivation of this formula is left as an exercise for the reader */
- rem = (unsigned)(len2 % BASE);
- sum1 = adler1 & 0xffff;
- sum2 = rem * sum1;
- MOD(sum2);
- sum1 += (adler2 & 0xffff) + BASE - 1;
- sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem;
- if (sum1 > BASE) sum1 -= BASE;
- if (sum1 > BASE) sum1 -= BASE;
- if (sum2 > (BASE << 1)) sum2 -= (BASE << 1);
- if (sum2 > BASE) sum2 -= BASE;
- return sum1 | (sum2 << 16);
-}
+++ /dev/null
-1. Compression algorithm (deflate)
-
-The deflation algorithm used by gzip (also zip and zlib) is a variation of
-LZ77 (Lempel-Ziv 1977, see reference below). It finds duplicated strings in
-the input data. The second occurrence of a string is replaced by a
-pointer to the previous string, in the form of a pair (distance,
-length). Distances are limited to 32K bytes, and lengths are limited
-to 258 bytes. When a string does not occur anywhere in the previous
-32K bytes, it is emitted as a sequence of literal bytes. (In this
-description, `string' must be taken as an arbitrary sequence of bytes,
-and is not restricted to printable characters.)
-
-Literals or match lengths are compressed with one Huffman tree, and
-match distances are compressed with another tree. The trees are stored
-in a compact form at the start of each block. The blocks can have any
-size (except that the compressed data for one block must fit in
-available memory). A block is terminated when deflate() determines that
-it would be useful to start another block with fresh trees. (This is
-somewhat similar to the behavior of LZW-based _compress_.)
-
-Duplicated strings are found using a hash table. All input strings of
-length 3 are inserted in the hash table. A hash index is computed for
-the next 3 bytes. If the hash chain for this index is not empty, all
-strings in the chain are compared with the current input string, and
-the longest match is selected.
-
-The hash chains are searched starting with the most recent strings, to
-favor small distances and thus take advantage of the Huffman encoding.
-The hash chains are singly linked. There are no deletions from the
-hash chains, the algorithm simply discards matches that are too old.
-
-To avoid a worst-case situation, very long hash chains are arbitrarily
-truncated at a certain length, determined by a runtime option (level
-parameter of deflateInit). So deflate() does not always find the longest
-possible match but generally finds a match which is long enough.
-
-deflate() also defers the selection of matches with a lazy evaluation
-mechanism. After a match of length N has been found, deflate() searches for
-a longer match at the next input byte. If a longer match is found, the
-previous match is truncated to a length of one (thus producing a single
-literal byte) and the process of lazy evaluation begins again. Otherwise,
-the original match is kept, and the next match search is attempted only N
-steps later.
-
-The lazy match evaluation is also subject to a runtime parameter. If
-the current match is long enough, deflate() reduces the search for a longer
-match, thus speeding up the whole process. If compression ratio is more
-important than speed, deflate() attempts a complete second search even if
-the first match is already long enough.
-
-The lazy match evaluation is not performed for the fastest compression
-modes (level parameter 1 to 3). For these fast modes, new strings
-are inserted in the hash table only when no match was found, or
-when the match is not too long. This degrades the compression ratio
-but saves time since there are both fewer insertions and fewer searches.
-
-
-2. Decompression algorithm (inflate)
-
-2.1 Introduction
-
-The key question is how to represent a Huffman code (or any prefix code) so
-that you can decode fast. The most important characteristic is that shorter
-codes are much more common than longer codes, so pay attention to decoding the
-short codes fast, and let the long codes take longer to decode.
-
-inflate() sets up a first level table that covers some number of bits of
-input less than the length of longest code. It gets that many bits from the
-stream, and looks it up in the table. The table will tell if the next
-code is that many bits or less and how many, and if it is, it will tell
-the value, else it will point to the next level table for which inflate()
-grabs more bits and tries to decode a longer code.
-
-How many bits to make the first lookup is a tradeoff between the time it
-takes to decode and the time it takes to build the table. If building the
-table took no time (and if you had infinite memory), then there would only
-be a first level table to cover all the way to the longest code. However,
-building the table ends up taking a lot longer for more bits since short
-codes are replicated many times in such a table. What inflate() does is
-simply to make the number of bits in the first table a variable, and then
-to set that variable for the maximum speed.
-
-For inflate, which has 286 possible codes for the literal/length tree, the size
-of the first table is nine bits. Also the distance trees have 30 possible
-values, and the size of the first table is six bits. Note that for each of
-those cases, the table ended up one bit longer than the ``average'' code
-length, i.e. the code length of an approximately flat code which would be a
-little more than eight bits for 286 symbols and a little less than five bits
-for 30 symbols.
-
-
-2.2 More details on the inflate table lookup
-
-Ok, you want to know what this cleverly obfuscated inflate tree actually
-looks like. You are correct that it's not a Huffman tree. It is simply a
-lookup table for the first, let's say, nine bits of a Huffman symbol. The
-symbol could be as short as one bit or as long as 15 bits. If a particular
-symbol is shorter than nine bits, then that symbol's translation is duplicated
-in all those entries that start with that symbol's bits. For example, if the
-symbol is four bits, then it's duplicated 32 times in a nine-bit table. If a
-symbol is nine bits long, it appears in the table once.
-
-If the symbol is longer than nine bits, then that entry in the table points
-to another similar table for the remaining bits. Again, there are duplicated
-entries as needed. The idea is that most of the time the symbol will be short
-and there will only be one table look up. (That's whole idea behind data
-compression in the first place.) For the less frequent long symbols, there
-will be two lookups. If you had a compression method with really long
-symbols, you could have as many levels of lookups as is efficient. For
-inflate, two is enough.
-
-So a table entry either points to another table (in which case nine bits in
-the above example are gobbled), or it contains the translation for the symbol
-and the number of bits to gobble. Then you start again with the next
-ungobbled bit.
-
-You may wonder: why not just have one lookup table for how ever many bits the
-longest symbol is? The reason is that if you do that, you end up spending
-more time filling in duplicate symbol entries than you do actually decoding.
-At least for deflate's output that generates new trees every several 10's of
-kbytes. You can imagine that filling in a 2^15 entry table for a 15-bit code
-would take too long if you're only decoding several thousand symbols. At the
-other extreme, you could make a new table for every bit in the code. In fact,
-that's essentially a Huffman tree. But then you spend two much time
-traversing the tree while decoding, even for short symbols.
-
-So the number of bits for the first lookup table is a trade of the time to
-fill out the table vs. the time spent looking at the second level and above of
-the table.
-
-Here is an example, scaled down:
-
-The code being decoded, with 10 symbols, from 1 to 6 bits long:
-
-A: 0
-B: 10
-C: 1100
-D: 11010
-E: 11011
-F: 11100
-G: 11101
-H: 11110
-I: 111110
-J: 111111
-
-Let's make the first table three bits long (eight entries):
-
-000: A,1
-001: A,1
-010: A,1
-011: A,1
-100: B,2
-101: B,2
-110: -> table X (gobble 3 bits)
-111: -> table Y (gobble 3 bits)
-
-Each entry is what the bits decode as and how many bits that is, i.e. how
-many bits to gobble. Or the entry points to another table, with the number of
-bits to gobble implicit in the size of the table.
-
-Table X is two bits long since the longest code starting with 110 is five bits
-long:
-
-00: C,1
-01: C,1
-10: D,2
-11: E,2
-
-Table Y is three bits long since the longest code starting with 111 is six
-bits long:
-
-000: F,2
-001: F,2
-010: G,2
-011: G,2
-100: H,2
-101: H,2
-110: I,3
-111: J,3
-
-So what we have here are three tables with a total of 20 entries that had to
-be constructed. That's compared to 64 entries for a single table. Or
-compared to 16 entries for a Huffman tree (six two entry tables and one four
-entry table). Assuming that the code ideally represents the probability of
-the symbols, it takes on the average 1.25 lookups per symbol. That's compared
-to one lookup for the single table, or 1.66 lookups per symbol for the
-Huffman tree.
-
-There, I think that gives you a picture of what's going on. For inflate, the
-meaning of a particular symbol is often more than just a letter. It can be a
-byte (a "literal"), or it can be either a length or a distance which
-indicates a base value and a number of bits to fetch after the code that is
-added to the base value. Or it might be the special end-of-block code. The
-data structures created in inftrees.c try to encode all that information
-compactly in the tables.
-
-
-Jean-loup Gailly Mark Adler
-jloup@gzip.org madler@alumni.caltech.edu
-
-
-References:
-
-[LZ77] Ziv J., Lempel A., ``A Universal Algorithm for Sequential Data
-Compression,'' IEEE Transactions on Information Theory, Vol. 23, No. 3,
-pp. 337-343.
-
-``DEFLATE Compressed Data Format Specification'' available in
-http://www.ietf.org/rfc/rfc1951.txt
+++ /dev/null
-# Amiga powerUP (TM) Makefile
-# makefile for libpng and SAS C V6.58/7.00 PPC compiler
-# Copyright (C) 1998 by Andreas R. Kleinert
-
-LIBNAME = libzip.a
-
-CC = scppc
-CFLAGS = NOSTKCHK NOSINT OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL \
- OPTLOOP OPTRDEP=8 OPTDEP=8 OPTCOMP=8 NOVER
-AR = ppc-amigaos-ar cr
-RANLIB = ppc-amigaos-ranlib
-LD = ppc-amigaos-ld -r
-LDFLAGS = -o
-LDLIBS = LIB:scppc.a LIB:end.o
-RM = delete quiet
-
-OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infback.o inftrees.o inffast.o
-
-TEST_OBJS = example.o minigzip.o
-
-all: example minigzip
-
-check: test
-test: all
- example
- echo hello world | minigzip | minigzip -d
-
-$(LIBNAME): $(OBJS)
- $(AR) $@ $(OBJS)
- -$(RANLIB) $@
-
-example: example.o $(LIBNAME)
- $(LD) $(LDFLAGS) $@ LIB:c_ppc.o $@.o $(LIBNAME) $(LDLIBS)
-
-minigzip: minigzip.o $(LIBNAME)
- $(LD) $(LDFLAGS) $@ LIB:c_ppc.o $@.o $(LIBNAME) $(LDLIBS)
-
-mostlyclean: clean
-clean:
- $(RM) *.o example minigzip $(LIBNAME) foo.gz
-
-zip:
- zip -ul9 zlib README ChangeLog Makefile Make????.??? Makefile.?? \
- descrip.mms *.[ch]
-
-tgz:
- cd ..; tar cfz zlib/zlib.tgz zlib/README zlib/ChangeLog zlib/Makefile \
- zlib/Make????.??? zlib/Makefile.?? zlib/descrip.mms zlib/*.[ch]
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-adler32.o: zlib.h zconf.h
-compress.o: zlib.h zconf.h
-crc32.o: crc32.h zlib.h zconf.h
-deflate.o: deflate.h zutil.h zlib.h zconf.h
-example.o: zlib.h zconf.h
-gzio.o: zutil.h zlib.h zconf.h
-inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-inftrees.o: zutil.h zlib.h zconf.h inftrees.h
-minigzip.o: zlib.h zconf.h
-trees.o: deflate.h zutil.h zlib.h zconf.h trees.h
-uncompr.o: zlib.h zconf.h
-zutil.o: zutil.h zlib.h zconf.h
+++ /dev/null
-# SMakefile for zlib
-# Modified from the standard UNIX Makefile Copyright Jean-loup Gailly
-# Osma Ahvenlampi <Osma.Ahvenlampi@hut.fi>
-# Amiga, SAS/C 6.56 & Smake
-
-CC=sc
-CFLAGS=OPT
-#CFLAGS=OPT CPU=68030
-#CFLAGS=DEBUG=LINE
-LDFLAGS=LIB z.lib
-
-SCOPTIONS=OPTSCHED OPTINLINE OPTALIAS OPTTIME OPTINLOCAL STRMERGE \
- NOICONS PARMS=BOTH NOSTACKCHECK UTILLIB NOVERSION ERRORREXX \
- DEF=POSTINC
-
-OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infback.o inftrees.o inffast.o
-
-TEST_OBJS = example.o minigzip.o
-
-all: SCOPTIONS example minigzip
-
-check: test
-test: all
- example
- echo hello world | minigzip | minigzip -d
-
-install: z.lib
- copy clone zlib.h zconf.h INCLUDE:
- copy clone z.lib LIB:
-
-z.lib: $(OBJS)
- oml z.lib r $(OBJS)
-
-example: example.o z.lib
- $(CC) $(CFLAGS) LINK TO $@ example.o $(LDFLAGS)
-
-minigzip: minigzip.o z.lib
- $(CC) $(CFLAGS) LINK TO $@ minigzip.o $(LDFLAGS)
-
-mostlyclean: clean
-clean:
- -delete force quiet example minigzip *.o z.lib foo.gz *.lnk SCOPTIONS
-
-SCOPTIONS: Makefile.sas
- copy to $@ <from <
-$(SCOPTIONS)
-<
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-adler32.o: zlib.h zconf.h
-compress.o: zlib.h zconf.h
-crc32.o: crc32.h zlib.h zconf.h
-deflate.o: deflate.h zutil.h zlib.h zconf.h
-example.o: zlib.h zconf.h
-gzio.o: zutil.h zlib.h zconf.h
-inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-inftrees.o: zutil.h zlib.h zconf.h inftrees.h
-minigzip.o: zlib.h zconf.h
-trees.o: deflate.h zutil.h zlib.h zconf.h trees.h
-uncompr.o: zlib.h zconf.h
-zutil.o: zutil.h zlib.h zconf.h
+++ /dev/null
-STRPGMEXP PGMLVL(*CURRENT) SIGNATURE('ZLIB')
-
-/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
-/* Version 1.1.3 entry points. */
-/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
-
-/********************************************************************/
-/* *MODULE ADLER32 ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("adler32")
-
-/********************************************************************/
-/* *MODULE COMPRESS ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("compress")
- EXPORT SYMBOL("compress2")
-
-/********************************************************************/
-/* *MODULE CRC32 ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("crc32")
- EXPORT SYMBOL("get_crc_table")
-
-/********************************************************************/
-/* *MODULE DEFLATE ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("deflate")
- EXPORT SYMBOL("deflateEnd")
- EXPORT SYMBOL("deflateSetDictionary")
- EXPORT SYMBOL("deflateCopy")
- EXPORT SYMBOL("deflateReset")
- EXPORT SYMBOL("deflateParams")
- EXPORT SYMBOL("deflatePrime")
- EXPORT SYMBOL("deflateInit_")
- EXPORT SYMBOL("deflateInit2_")
-
-/********************************************************************/
-/* *MODULE GZIO ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("gzopen")
- EXPORT SYMBOL("gzdopen")
- EXPORT SYMBOL("gzsetparams")
- EXPORT SYMBOL("gzread")
- EXPORT SYMBOL("gzwrite")
- EXPORT SYMBOL("gzprintf")
- EXPORT SYMBOL("gzputs")
- EXPORT SYMBOL("gzgets")
- EXPORT SYMBOL("gzputc")
- EXPORT SYMBOL("gzgetc")
- EXPORT SYMBOL("gzflush")
- EXPORT SYMBOL("gzseek")
- EXPORT SYMBOL("gzrewind")
- EXPORT SYMBOL("gztell")
- EXPORT SYMBOL("gzeof")
- EXPORT SYMBOL("gzclose")
- EXPORT SYMBOL("gzerror")
-
-/********************************************************************/
-/* *MODULE INFLATE ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("inflate")
- EXPORT SYMBOL("inflateEnd")
- EXPORT SYMBOL("inflateSetDictionary")
- EXPORT SYMBOL("inflateSync")
- EXPORT SYMBOL("inflateReset")
- EXPORT SYMBOL("inflateInit_")
- EXPORT SYMBOL("inflateInit2_")
- EXPORT SYMBOL("inflateSyncPoint")
-
-/********************************************************************/
-/* *MODULE UNCOMPR ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("uncompress")
-
-/********************************************************************/
-/* *MODULE ZUTIL ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("zlibVersion")
- EXPORT SYMBOL("zError")
-
-/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
-/* Version 1.2.1 additional entry points. */
-/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
-
-/********************************************************************/
-/* *MODULE COMPRESS ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("compressBound")
-
-/********************************************************************/
-/* *MODULE DEFLATE ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("deflateBound")
-
-/********************************************************************/
-/* *MODULE GZIO ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("gzungetc")
- EXPORT SYMBOL("gzclearerr")
-
-/********************************************************************/
-/* *MODULE INFBACK ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("inflateBack")
- EXPORT SYMBOL("inflateBackEnd")
- EXPORT SYMBOL("inflateBackInit_")
-
-/********************************************************************/
-/* *MODULE INFLATE ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("inflateCopy")
-
-/********************************************************************/
-/* *MODULE ZUTIL ZLIB 01/02/01 00:15:09 */
-/********************************************************************/
-
- EXPORT SYMBOL("zlibCompileFlags")
-
-ENDPGMEXP
+++ /dev/null
-/******************************************************************************/
-/* */
-/* ZLIB */
-/* */
-/* Compile sources into modules and link them into a service program. */
-/* */
-/******************************************************************************/
-
- PGM
-
-/* Configuration adjustable parameters. */
-
- DCL VAR(&SRCLIB) TYPE(*CHAR) LEN(10) +
- VALUE('ZLIB') /* Source library. */
- DCL VAR(&SRCFILE) TYPE(*CHAR) LEN(10) +
- VALUE('SOURCES') /* Source member file. */
- DCL VAR(&CTLFILE) TYPE(*CHAR) LEN(10) +
- VALUE('TOOLS') /* Control member file. */
-
- DCL VAR(&MODLIB) TYPE(*CHAR) LEN(10) +
- VALUE('ZLIB') /* Module library. */
-
- DCL VAR(&SRVLIB) TYPE(*CHAR) LEN(10) +
- VALUE('LGPL') /* Service program library. */
-
- DCL VAR(&CFLAGS) TYPE(*CHAR) +
- VALUE('OPTIMIZE(40)') /* Compile options. */
-
-
-/* Working storage. */
-
- DCL VAR(&CMDLEN) TYPE(*DEC) LEN(15 5) VALUE(300) /* Command length. */
- DCL VAR(&CMD) TYPE(*CHAR) LEN(512)
-
-
-/* Compile sources into modules. */
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/ADLER32) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/COMPRESS) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/CRC32) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/DEFLATE) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/GZIO) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/INFBACK) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/INFFAST) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/INFLATE) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/INFTREES) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/TREES) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/UNCOMPR) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
- CHGVAR VAR(&CMD) VALUE('CRTCMOD MODULE(' *TCAT &MODLIB *TCAT +
- '/ZUTIL) SRCFILE(' *TCAT +
- &SRCLIB *TCAT '/' *TCAT &SRCFILE *TCAT +
- ') SYSIFCOPT(*IFSIO)' *BCAT &CFLAGS)
- CALL PGM(QCMDEXC) PARM(&CMD &CMDLEN)
-
-
-/* Link modules into a service program. */
-
- CRTSRVPGM SRVPGM(&SRVLIB/ZLIB) +
- MODULE(&MODLIB/ADLER32 &MODLIB/COMPRESS +
- &MODLIB/CRC32 &MODLIB/DEFLATE +
- &MODLIB/GZIO &MODLIB/INFBACK +
- &MODLIB/INFFAST &MODLIB/INFLATE +
- &MODLIB/INFTREES &MODLIB/TREES +
- &MODLIB/UNCOMPR &MODLIB/ZUTIL) +
- SRCFILE(&SRCLIB/&CTLFILE) SRCMBR(BNDSRC) +
- TEXT('ZLIB 1.2.3') TGTRLS(V4R4M0)
-
- ENDPGM
+++ /dev/null
- ZLIB version 1.2.3 for AS400 installation instructions
-
-I) From an AS400 *SAVF file:
-
-1) Unpacking archive to an AS400 save file
-
-On the AS400:
-
-_ Create the ZLIB AS400 library:
-
- CRTLIB LIB(ZLIB) TYPE(PROD) TEXT('ZLIB compression API library')
-
-_ Create a work save file, for example:
-
- CRTSAVF FILE(ZLIB/ZLIBSAVF)
-
-On a PC connected to the target AS400:
-
-_ Unpack the save file image to a PC file "ZLIBSAVF"
-_ Upload this file into the save file on the AS400, for example
- using ftp in BINARY mode.
-
-
-2) Populating the ZLIB AS400 source library
-
-On the AS400:
-
-_ Extract the saved objects into the ZLIB AS400 library using:
-
-RSTOBJ OBJ(*ALL) SAVLIB(ZLIB) DEV(*SAVF) SAVF(ZLIB/ZLIBSAVF) RSTLIB(ZLIB)
-
-
-3) Customize installation:
-
-_ Edit CL member ZLIB/TOOLS(COMPILE) and change parameters if needed,
- according to the comments.
-
-_ Compile this member with:
-
- CRTCLPGM PGM(ZLIB/COMPILE) SRCFILE(ZLIB/TOOLS) SRCMBR(COMPILE)
-
-
-4) Compile and generate the service program:
-
-_ This can now be done by executing:
-
- CALL PGM(ZLIB/COMPILE)
-
-
-
-II) From the original source distribution:
-
-1) On the AS400, create the source library:
-
- CRTLIB LIB(ZLIB) TYPE(PROD) TEXT('ZLIB compression API library')
-
-2) Create the source files:
-
- CRTSRCPF FILE(ZLIB/SOURCES) RCDLEN(112) TEXT('ZLIB library modules')
- CRTSRCPF FILE(ZLIB/H) RCDLEN(112) TEXT('ZLIB library includes')
- CRTSRCPF FILE(ZLIB/TOOLS) RCDLEN(112) TEXT('ZLIB library control utilities')
-
-3) From the machine hosting the distribution files, upload them (with
- FTP in text mode, for example) according to the following table:
-
- Original AS400 AS400 AS400 AS400
- file file member type description
- SOURCES Original ZLIB C subprogram sources
- adler32.c ADLER32 C ZLIB - Compute the Adler-32 checksum of a dta strm
- compress.c COMPRESS C ZLIB - Compress a memory buffer
- crc32.c CRC32 C ZLIB - Compute the CRC-32 of a data stream
- deflate.c DEFLATE C ZLIB - Compress data using the deflation algorithm
- gzio.c GZIO C ZLIB - IO on .gz files
- infback.c INFBACK C ZLIB - Inflate using a callback interface
- inffast.c INFFAST C ZLIB - Fast proc. literals & length/distance pairs
- inflate.c INFLATE C ZLIB - Interface to inflate modules
- inftrees.c INFTREES C ZLIB - Generate Huffman trees for efficient decode
- trees.c TREES C ZLIB - Output deflated data using Huffman coding
- uncompr.c UNCOMPR C ZLIB - Decompress a memory buffer
- zutil.c ZUTIL C ZLIB - Target dependent utility functions
- H Original ZLIB C and ILE/RPG include files
- crc32.h CRC32 C ZLIB - CRC32 tables
- deflate.h DEFLATE C ZLIB - Internal compression state
- inffast.h INFFAST C ZLIB - Header to use inffast.c
- inffixed.h INFFIXED C ZLIB - Table for decoding fixed codes
- inflate.h INFLATE C ZLIB - Internal inflate state definitions
- inftrees.h INFTREES C ZLIB - Header to use inftrees.c
- trees.h TREES C ZLIB - Created automatically with -DGEN_TREES_H
- zconf.h ZCONF C ZLIB - Compression library configuration
- zlib.h ZLIB C ZLIB - Compression library C user interface
- as400/zlib.inc ZLIB.INC RPGLE ZLIB - Compression library ILE RPG user interface
- zutil.h ZUTIL C ZLIB - Internal interface and configuration
- TOOLS Building source software & AS/400 README
- as400/bndsrc BNDSRC Entry point exportation list
- as400/compile.clp COMPILE CLP Compile sources & generate service program
- as400/readme.txt README TXT Installation instructions
-
-4) Continue as in I)3).
-
-
-
-
-Notes: For AS400 ILE RPG programmers, a /copy member defining the ZLIB
- API prototypes for ILE RPG can be found in ZLIB/H(ZLIB.INC).
- Please read comments in this member for more information.
-
- Remember that most foreign textual data are ASCII coded: this
- implementation does not handle conversion from/to ASCII, so
- text data code conversions must be done explicitely.
-
- Always open zipped files in binary mode.
+++ /dev/null
- * ZLIB.INC - Interface to the general purpose compression library
- *
- * ILE RPG400 version by Patrick Monnerat, DATASPHERE.
- * Version 1.2.3
- *
- *
- * WARNING:
- * Procedures inflateInit(), inflateInit2(), deflateInit(),
- * deflateInit2() and inflateBackInit() need to be called with
- * two additional arguments:
- * the package version string and the stream control structure.
- * size. This is needed because RPG lacks some macro feature.
- * Call these procedures as:
- * inflateInit(...: ZLIB_VERSION: %size(z_stream))
- *
- /if not defined(ZLIB_H_)
- /define ZLIB_H_
- *
- **************************************************************************
- * Constants
- **************************************************************************
- *
- * Versioning information.
- *
- D ZLIB_VERSION C '1.2.3'
- D ZLIB_VERNUM C X'1230'
- *
- * Other equates.
- *
- D Z_NO_FLUSH C 0
- D Z_SYNC_FLUSH C 2
- D Z_FULL_FLUSH C 3
- D Z_FINISH C 4
- D Z_BLOCK C 5
- *
- D Z_OK C 0
- D Z_STREAM_END C 1
- D Z_NEED_DICT C 2
- D Z_ERRNO C -1
- D Z_STREAM_ERROR C -2
- D Z_DATA_ERROR C -3
- D Z_MEM_ERROR C -4
- D Z_BUF_ERROR C -5
- DZ_VERSION_ERROR C -6
- *
- D Z_NO_COMPRESSION...
- D C 0
- D Z_BEST_SPEED C 1
- D Z_BEST_COMPRESSION...
- D C 9
- D Z_DEFAULT_COMPRESSION...
- D C -1
- *
- D Z_FILTERED C 1
- D Z_HUFFMAN_ONLY C 2
- D Z_RLE C 3
- D Z_DEFAULT_STRATEGY...
- D C 0
- *
- D Z_BINARY C 0
- D Z_ASCII C 1
- D Z_UNKNOWN C 2
- *
- D Z_DEFLATED C 8
- *
- D Z_NULL C 0
- *
- **************************************************************************
- * Types
- **************************************************************************
- *
- D z_streamp S * Stream struct ptr
- D gzFile S * File pointer
- D z_off_t S 10i 0 Stream offsets
- *
- **************************************************************************
- * Structures
- **************************************************************************
- *
- * The GZIP encode/decode stream support structure.
- *
- D z_stream DS align based(z_streamp)
- D zs_next_in * Next input byte
- D zs_avail_in 10U 0 Byte cnt at next_in
- D zs_total_in 10U 0 Total bytes read
- D zs_next_out * Output buffer ptr
- D zs_avail_out 10U 0 Room left @ next_out
- D zs_total_out 10U 0 Total bytes written
- D zs_msg * Last errmsg or null
- D zs_state * Internal state
- D zs_zalloc * procptr Int. state allocator
- D zs_free * procptr Int. state dealloc.
- D zs_opaque * Private alloc. data
- D zs_data_type 10i 0 ASC/BIN best guess
- D zs_adler 10u 0 Uncompr. adler32 val
- D 10U 0 Reserved
- D 10U 0 Ptr. alignment
- *
- **************************************************************************
- * Utility function prototypes
- **************************************************************************
- *
- D compress PR 10I 0 extproc('compress')
- D dest 32767 options(*varsize) Destination buffer
- D destLen 10U 0 Destination length
- D source 32767 const options(*varsize) Source buffer
- D sourceLen 10u 0 value Source length
- *
- D compress2 PR 10I 0 extproc('compress2')
- D dest 32767 options(*varsize) Destination buffer
- D destLen 10U 0 Destination length
- D source 32767 const options(*varsize) Source buffer
- D sourceLen 10U 0 value Source length
- D level 10I 0 value Compression level
- *
- D compressBound PR 10U 0 extproc('compressBound')
- D sourceLen 10U 0 value
- *
- D uncompress PR 10I 0 extproc('uncompress')
- D dest 32767 options(*varsize) Destination buffer
- D destLen 10U 0 Destination length
- D source 32767 const options(*varsize) Source buffer
- D sourceLen 10U 0 value Source length
- *
- D gzopen PR extproc('gzopen')
- D like(gzFile)
- D path * value options(*string) File pathname
- D mode * value options(*string) Open mode
- *
- D gzdopen PR extproc('gzdopen')
- D like(gzFile)
- D fd 10i 0 value File descriptor
- D mode * value options(*string) Open mode
- *
- D gzsetparams PR 10I 0 extproc('gzsetparams')
- D file value like(gzFile) File pointer
- D level 10I 0 value
- D strategy 10i 0 value
- *
- D gzread PR 10I 0 extproc('gzread')
- D file value like(gzFile) File pointer
- D buf 32767 options(*varsize) Buffer
- D len 10u 0 value Buffer length
- *
- D gzwrite PR 10I 0 extproc('gzwrite')
- D file value like(gzFile) File pointer
- D buf 32767 const options(*varsize) Buffer
- D len 10u 0 value Buffer length
- *
- D gzputs PR 10I 0 extproc('gzputs')
- D file value like(gzFile) File pointer
- D s * value options(*string) String to output
- *
- D gzgets PR * extproc('gzgets')
- D file value like(gzFile) File pointer
- D buf 32767 options(*varsize) Read buffer
- D len 10i 0 value Buffer length
- *
- D gzflush PR 10i 0 extproc('gzflush')
- D file value like(gzFile) File pointer
- D flush 10I 0 value Type of flush
- *
- D gzseek PR extproc('gzseek')
- D like(z_off_t)
- D file value like(gzFile) File pointer
- D offset value like(z_off_t) Offset
- D whence 10i 0 value Origin
- *
- D gzrewind PR 10i 0 extproc('gzrewind')
- D file value like(gzFile) File pointer
- *
- D gztell PR extproc('gztell')
- D like(z_off_t)
- D file value like(gzFile) File pointer
- *
- D gzeof PR 10i 0 extproc('gzeof')
- D file value like(gzFile) File pointer
- *
- D gzclose PR 10i 0 extproc('gzclose')
- D file value like(gzFile) File pointer
- *
- D gzerror PR * extproc('gzerror') Error string
- D file value like(gzFile) File pointer
- D errnum 10I 0 Error code
- *
- D gzclearerr PR extproc('gzclearerr')
- D file value like(gzFile) File pointer
- *
- **************************************************************************
- * Basic function prototypes
- **************************************************************************
- *
- D zlibVersion PR * extproc('zlibVersion') Version string
- *
- D deflateInit PR 10I 0 extproc('deflateInit_') Init. compression
- D strm like(z_stream) Compression stream
- D level 10I 0 value Compression level
- D version * value options(*string) Version string
- D stream_size 10i 0 value Stream struct. size
- *
- D deflate PR 10I 0 extproc('deflate') Compress data
- D strm like(z_stream) Compression stream
- D flush 10I 0 value Flush type required
- *
- D deflateEnd PR 10I 0 extproc('deflateEnd') Termin. compression
- D strm like(z_stream) Compression stream
- *
- D inflateInit PR 10I 0 extproc('inflateInit_') Init. expansion
- D strm like(z_stream) Expansion stream
- D version * value options(*string) Version string
- D stream_size 10i 0 value Stream struct. size
- *
- D inflate PR 10I 0 extproc('inflate') Expand data
- D strm like(z_stream) Expansion stream
- D flush 10I 0 value Flush type required
- *
- D inflateEnd PR 10I 0 extproc('inflateEnd') Termin. expansion
- D strm like(z_stream) Expansion stream
- *
- **************************************************************************
- * Advanced function prototypes
- **************************************************************************
- *
- D deflateInit2 PR 10I 0 extproc('deflateInit2_') Init. compression
- D strm like(z_stream) Compression stream
- D level 10I 0 value Compression level
- D method 10I 0 value Compression method
- D windowBits 10I 0 value log2(window size)
- D memLevel 10I 0 value Mem/cmpress tradeoff
- D strategy 10I 0 value Compression stategy
- D version * value options(*string) Version string
- D stream_size 10i 0 value Stream struct. size
- *
- D deflateSetDictionary...
- D PR 10I 0 extproc('deflateSetDictionary') Init. dictionary
- D strm like(z_stream) Compression stream
- D dictionary 32767 const options(*varsize) Dictionary bytes
- D dictLength 10U 0 value Dictionary length
- *
- D deflateCopy PR 10I 0 extproc('deflateCopy') Compress strm 2 strm
- D dest like(z_stream) Destination stream
- D source like(z_stream) Source stream
- *
- D deflateReset PR 10I 0 extproc('deflateReset') End and init. stream
- D strm like(z_stream) Compression stream
- *
- D deflateParams PR 10I 0 extproc('deflateParams') Change level & strat
- D strm like(z_stream) Compression stream
- D level 10I 0 value Compression level
- D strategy 10I 0 value Compression stategy
- *
- D deflateBound PR 10U 0 extproc('deflateBound') Change level & strat
- D strm like(z_stream) Compression stream
- D sourcelen 10U 0 value Compression level
- *
- D deflatePrime PR 10I 0 extproc('deflatePrime') Change level & strat
- D strm like(z_stream) Compression stream
- D bits 10I 0 value Number of bits to insert
- D value 10I 0 value Bits to insert
- *
- D inflateInit2 PR 10I 0 extproc('inflateInit2_') Init. expansion
- D strm like(z_stream) Expansion stream
- D windowBits 10I 0 value log2(window size)
- D version * value options(*string) Version string
- D stream_size 10i 0 value Stream struct. size
- *
- D inflateSetDictionary...
- D PR 10I 0 extproc('inflateSetDictionary') Init. dictionary
- D strm like(z_stream) Expansion stream
- D dictionary 32767 const options(*varsize) Dictionary bytes
- D dictLength 10U 0 value Dictionary length
- *
- D inflateSync PR 10I 0 extproc('inflateSync') Sync. expansion
- D strm like(z_stream) Expansion stream
- *
- D inflateCopy PR 10I 0 extproc('inflateCopy')
- D dest like(z_stream) Destination stream
- D source like(z_stream) Source stream
- *
- D inflateReset PR 10I 0 extproc('inflateReset') End and init. stream
- D strm like(z_stream) Expansion stream
- *
- D inflateBackInit...
- D PR 10I 0 extproc('inflateBackInit_')
- D strm like(z_stream) Expansion stream
- D windowBits 10I 0 value Log2(buffer size)
- D window 32767 options(*varsize) Buffer
- D version * value options(*string) Version string
- D stream_size 10i 0 value Stream struct. size
- *
- D inflateBack PR 10I 0 extproc('inflateBack')
- D strm like(z_stream) Expansion stream
- D in * value procptr Input function
- D in_desc * value Input descriptor
- D out * value procptr Output function
- D out_desc * value Output descriptor
- *
- D inflateBackEnd PR 10I 0 extproc('inflateBackEnd')
- D strm like(z_stream) Expansion stream
- *
- D zlibCompileFlags...
- D PR 10U 0 extproc('zlibCompileFlags')
- *
- **************************************************************************
- * Checksum function prototypes
- **************************************************************************
- *
- D adler32 PR 10U 0 extproc('adler32') New checksum
- D adler 10U 0 value Old checksum
- D buf 32767 const options(*varsize) Bytes to accumulate
- D len 10U 0 value Buffer length
- *
- D crc32 PR 10U 0 extproc('crc32') New checksum
- D crc 10U 0 value Old checksum
- D buf 32767 const options(*varsize) Bytes to accumulate
- D len 10U 0 value Buffer length
- *
- **************************************************************************
- * Miscellaneous function prototypes
- **************************************************************************
- *
- D zError PR * extproc('zError') Error string
- D err 10I 0 value Error code
- *
- D inflateSyncPoint...
- D PR 10I 0 extproc('inflateSyncPoint')
- D strm like(z_stream) Expansion stream
- *
- D get_crc_table PR * extproc('get_crc_table') Ptr to ulongs
- *
- /endif
+++ /dev/null
-hello world
-zlib version 1.2.3 = 0x1230, compile flags = 0x95
-uncompress(): hello, hello!
-gzread(): hello, hello!
-gzgets() after gzseek: hello!
-inflate(): hello, hello!
-large_inflate(): OK
-after inflateSync(): hello, hello!
-inflate with dictionary: hello, hello!
- *** zlib test OK ***
+++ /dev/null
-/* compress.c -- compress a memory buffer
- * Copyright (C) 1995-2003 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* @(#) $Id$ */
-
-#define ZLIB_INTERNAL
-#include "zlib.h"
-
-/* ===========================================================================
- Compresses the source buffer into the destination buffer. The level
- parameter has the same meaning as in deflateInit. sourceLen is the byte
- length of the source buffer. Upon entry, destLen is the total size of the
- destination buffer, which must be at least 0.1% larger than sourceLen plus
- 12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
-
- compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
- memory, Z_BUF_ERROR if there was not enough room in the output buffer,
- Z_STREAM_ERROR if the level parameter is invalid.
-*/
-int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
- Bytef *dest;
- uLongf *destLen;
- const Bytef *source;
- uLong sourceLen;
- int level;
-{
- z_stream stream;
- int err;
-
- stream.next_in = (Bytef*)source;
- stream.avail_in = (uInt)sourceLen;
-#ifdef MAXSEG_64K
- /* Check for source > 64K on 16-bit machine: */
- if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
-#endif
- stream.next_out = dest;
- stream.avail_out = (uInt)*destLen;
- if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
-
- stream.zalloc = (alloc_func)0;
- stream.zfree = (free_func)0;
- stream.opaque = (voidpf)0;
-
- err = deflateInit(&stream, level);
- if (err != Z_OK) return err;
-
- err = deflate(&stream, Z_FINISH);
- if (err != Z_STREAM_END) {
- deflateEnd(&stream);
- return err == Z_OK ? Z_BUF_ERROR : err;
- }
- *destLen = stream.total_out;
-
- err = deflateEnd(&stream);
- return err;
-}
-
-/* ===========================================================================
- */
-int ZEXPORT compress (dest, destLen, source, sourceLen)
- Bytef *dest;
- uLongf *destLen;
- const Bytef *source;
- uLong sourceLen;
-{
- return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION);
-}
-
-/* ===========================================================================
- If the default memLevel or windowBits for deflateInit() is changed, then
- this function needs to be updated.
- */
-uLong ZEXPORT compressBound (sourceLen)
- uLong sourceLen;
-{
- return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + 11;
-}
+++ /dev/null
-#!/bin/sh
-# configure script for zlib. This script is needed only if
-# you wish to build a shared library and your system supports them,
-# of if you need special compiler, flags or install directory.
-# Otherwise, you can just use directly "make test; make install"
-#
-# To create a shared library, use "configure --shared"; by default a static
-# library is created. If the primitive shared library support provided here
-# does not work, use ftp://prep.ai.mit.edu/pub/gnu/libtool-*.tar.gz
-#
-# To impose specific compiler or flags or install directory, use for example:
-# prefix=$HOME CC=cc CFLAGS="-O4" ./configure
-# or for csh/tcsh users:
-# (setenv prefix $HOME; setenv CC cc; setenv CFLAGS "-O4"; ./configure)
-# LDSHARED is the command to be used to create a shared library
-
-# Incorrect settings of CC or CFLAGS may prevent creating a shared library.
-# If you have problems, try without defining CC and CFLAGS before reporting
-# an error.
-
-LIBS=libz.a
-LDFLAGS="-L. ${LIBS}"
-VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`
-VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < zlib.h`
-VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < zlib.h`
-AR=${AR-"ar rc"}
-RANLIB=${RANLIB-"ranlib"}
-prefix=${prefix-/usr/local}
-exec_prefix=${exec_prefix-'${prefix}'}
-libdir=${libdir-'${exec_prefix}/lib'}
-includedir=${includedir-'${prefix}/include'}
-mandir=${mandir-'${prefix}/share/man'}
-shared_ext='.so'
-shared=0
-gcc=0
-old_cc="$CC"
-old_cflags="$CFLAGS"
-
-while test $# -ge 1
-do
-case "$1" in
- -h* | --h*)
- echo 'usage:'
- echo ' configure [--shared] [--prefix=PREFIX] [--exec_prefix=EXPREFIX]'
- echo ' [--libdir=LIBDIR] [--includedir=INCLUDEDIR]'
- exit 0;;
- -p*=* | --p*=*) prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift;;
- -e*=* | --e*=*) exec_prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift;;
- -l*=* | --libdir=*) libdir=`echo $1 | sed 's/[-a-z_]*=//'`; shift;;
- -i*=* | --includedir=*) includedir=`echo $1 | sed 's/[-a-z_]*=//'`;shift;;
- -p* | --p*) prefix="$2"; shift; shift;;
- -e* | --e*) exec_prefix="$2"; shift; shift;;
- -l* | --l*) libdir="$2"; shift; shift;;
- -i* | --i*) includedir="$2"; shift; shift;;
- -s* | --s*) shared=1; shift;;
- *) echo "unknown option: $1"; echo "$0 --help for help"; exit 1;;
- esac
-done
-
-test=ztest$$
-cat > $test.c <<EOF
-extern int getchar();
-int hello() {return getchar();}
-EOF
-
-test -z "$CC" && echo Checking for gcc...
-cc=${CC-gcc}
-cflags=${CFLAGS-"-O3"}
-# to force the asm version use: CFLAGS="-O3 -DASMV" ./configure
-case "$cc" in
- *gcc*) gcc=1;;
-esac
-
-if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then
- CC="$cc"
- SFLAGS=${CFLAGS-"-fPIC -O3"}
- CFLAGS="$cflags"
- case `(uname -s || echo unknown) 2>/dev/null` in
- Linux | linux | GNU | GNU/*) LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1"};;
- CYGWIN* | Cygwin* | cygwin* | OS/2* )
- EXE='.exe';;
- QNX*) # This is for QNX6. I suppose that the QNX rule below is for QNX2,QNX4
- # (alain.bonnefoy@icbt.com)
- LDSHARED=${LDSHARED-"$cc -shared -Wl,-hlibz.so.1"};;
- HP-UX*)
- LDSHARED=${LDSHARED-"$cc -shared $SFLAGS"}
- case `(uname -m || echo unknown) 2>/dev/null` in
- ia64)
- shared_ext='.so'
- SHAREDLIB='libz.so';;
- *)
- shared_ext='.sl'
- SHAREDLIB='libz.sl';;
- esac;;
- Darwin*) shared_ext='.dylib'
- SHAREDLIB=libz$shared_ext
- SHAREDLIBV=libz.$VER$shared_ext
- SHAREDLIBM=libz.$VER1$shared_ext
- LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER"};;
- *) LDSHARED=${LDSHARED-"$cc -shared"};;
- esac
-else
- # find system name and corresponding cc options
- CC=${CC-cc}
- case `(uname -sr || echo unknown) 2>/dev/null` in
- HP-UX*) SFLAGS=${CFLAGS-"-O +z"}
- CFLAGS=${CFLAGS-"-O"}
-# LDSHARED=${LDSHARED-"ld -b +vnocompatwarnings"}
- LDSHARED=${LDSHARED-"ld -b"}
- case `(uname -m || echo unknown) 2>/dev/null` in
- ia64)
- shared_ext='.so'
- SHAREDLIB='libz.so';;
- *)
- shared_ext='.sl'
- SHAREDLIB='libz.sl';;
- esac;;
- IRIX*) SFLAGS=${CFLAGS-"-ansi -O2 -rpath ."}
- CFLAGS=${CFLAGS-"-ansi -O2"}
- LDSHARED=${LDSHARED-"cc -shared"};;
- OSF1\ V4*) SFLAGS=${CFLAGS-"-O -std1"}
- CFLAGS=${CFLAGS-"-O -std1"}
- LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so -Wl,-msym -Wl,-rpath,$(libdir) -Wl,-set_version,${VER}:1.0"};;
- OSF1*) SFLAGS=${CFLAGS-"-O -std1"}
- CFLAGS=${CFLAGS-"-O -std1"}
- LDSHARED=${LDSHARED-"cc -shared"};;
- QNX*) SFLAGS=${CFLAGS-"-4 -O"}
- CFLAGS=${CFLAGS-"-4 -O"}
- LDSHARED=${LDSHARED-"cc"}
- RANLIB=${RANLIB-"true"}
- AR="cc -A";;
- SCO_SV\ 3.2*) SFLAGS=${CFLAGS-"-O3 -dy -KPIC "}
- CFLAGS=${CFLAGS-"-O3"}
- LDSHARED=${LDSHARED-"cc -dy -KPIC -G"};;
- SunOS\ 5*) SFLAGS=${CFLAGS-"-fast -xcg89 -KPIC -R."}
- CFLAGS=${CFLAGS-"-fast -xcg89"}
- LDSHARED=${LDSHARED-"cc -G"};;
- SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"}
- CFLAGS=${CFLAGS-"-O2"}
- LDSHARED=${LDSHARED-"ld"};;
- SunStudio\ 9*) SFLAGS=${CFLAGS-"-DUSE_MMAP -fast -xcode=pic32 -xtarget=ultra3 -xarch=v9b"}
- CFLAGS=${CFLAGS-"-DUSE_MMAP -fast -xtarget=ultra3 -xarch=v9b"}
- LDSHARED=${LDSHARED-"cc -xarch=v9b"};;
- UNIX_System_V\ 4.2.0)
- SFLAGS=${CFLAGS-"-KPIC -O"}
- CFLAGS=${CFLAGS-"-O"}
- LDSHARED=${LDSHARED-"cc -G"};;
- UNIX_SV\ 4.2MP)
- SFLAGS=${CFLAGS-"-Kconform_pic -O"}
- CFLAGS=${CFLAGS-"-O"}
- LDSHARED=${LDSHARED-"cc -G"};;
- OpenUNIX\ 5)
- SFLAGS=${CFLAGS-"-KPIC -O"}
- CFLAGS=${CFLAGS-"-O"}
- LDSHARED=${LDSHARED-"cc -G"};;
- AIX*) # Courtesy of dbakker@arrayasolutions.com
- SFLAGS=${CFLAGS-"-O -qmaxmem=8192"}
- CFLAGS=${CFLAGS-"-O -qmaxmem=8192"}
- LDSHARED=${LDSHARED-"xlc -G"};;
- # send working options for other systems to support@gzip.org
- *) SFLAGS=${CFLAGS-"-O"}
- CFLAGS=${CFLAGS-"-O"}
- LDSHARED=${LDSHARED-"cc -shared"};;
- esac
-fi
-
-SHAREDLIB=${SHAREDLIB-"libz$shared_ext"}
-SHAREDLIBV=${SHAREDLIBV-"libz$shared_ext.$VER"}
-SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"}
-
-if test $shared -eq 1; then
- echo Checking for shared library support...
- # we must test in two steps (cc then ld), required at least on SunOS 4.x
- if test "`($CC -c $SFLAGS $test.c) 2>&1`" = "" &&
- test "`($LDSHARED -o $test$shared_ext $test.o) 2>&1`" = ""; then
- CFLAGS="$SFLAGS"
- LIBS="$SHAREDLIBV"
- echo Building shared library $SHAREDLIBV with $CC.
- elif test -z "$old_cc" -a -z "$old_cflags"; then
- echo No shared library support.
- shared=0;
- else
- echo 'No shared library support; try without defining CC and CFLAGS'
- shared=0;
- fi
-fi
-if test $shared -eq 0; then
- LDSHARED="$CC"
- echo Building static library $LIBS version $VER with $CC.
-else
- LDFLAGS="-L. ${SHAREDLIBV}"
-fi
-
-cat > $test.c <<EOF
-#include <unistd.h>
-int main() { return 0; }
-EOF
-if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
- sed < zconf.in.h "/HAVE_UNISTD_H/s%0%1%" > zconf.h
- echo "Checking for unistd.h... Yes."
-else
- cp -p zconf.in.h zconf.h
- echo "Checking for unistd.h... No."
-fi
-
-cat > $test.c <<EOF
-#include <stdio.h>
-#include <stdarg.h>
-#include "zconf.h"
-
-int main()
-{
-#ifndef STDC
- choke me
-#endif
-
- return 0;
-}
-EOF
-
-if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
- echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()"
-
- cat > $test.c <<EOF
-#include <stdio.h>
-#include <stdarg.h>
-
-int mytest(char *fmt, ...)
-{
- char buf[20];
- va_list ap;
-
- va_start(ap, fmt);
- vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
- return 0;
-}
-
-int main()
-{
- return (mytest("Hello%d\n", 1));
-}
-EOF
-
- if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then
- echo "Checking for vsnprintf() in stdio.h... Yes."
-
- cat >$test.c <<EOF
-#include <stdio.h>
-#include <stdarg.h>
-
-int mytest(char *fmt, ...)
-{
- int n;
- char buf[20];
- va_list ap;
-
- va_start(ap, fmt);
- n = vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
- return n;
-}
-
-int main()
-{
- return (mytest("Hello%d\n", 1));
-}
-EOF
-
- if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
- echo "Checking for return value of vsnprintf()... Yes."
- else
- CFLAGS="$CFLAGS -DHAS_vsnprintf_void"
- echo "Checking for return value of vsnprintf()... No."
- echo " WARNING: apparently vsnprintf() does not return a value. zlib"
- echo " can build but will be open to possible string-format security"
- echo " vulnerabilities."
- fi
- else
- CFLAGS="$CFLAGS -DNO_vsnprintf"
- echo "Checking for vsnprintf() in stdio.h... No."
- echo " WARNING: vsnprintf() not found, falling back to vsprintf(). zlib"
- echo " can build but will be open to possible buffer-overflow security"
- echo " vulnerabilities."
-
- cat >$test.c <<EOF
-#include <stdio.h>
-#include <stdarg.h>
-
-int mytest(char *fmt, ...)
-{
- int n;
- char buf[20];
- va_list ap;
-
- va_start(ap, fmt);
- n = vsprintf(buf, fmt, ap);
- va_end(ap);
- return n;
-}
-
-int main()
-{
- return (mytest("Hello%d\n", 1));
-}
-EOF
-
- if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
- echo "Checking for return value of vsprintf()... Yes."
- else
- CFLAGS="$CFLAGS -DHAS_vsprintf_void"
- echo "Checking for return value of vsprintf()... No."
- echo " WARNING: apparently vsprintf() does not return a value. zlib"
- echo " can build but will be open to possible string-format security"
- echo " vulnerabilities."
- fi
- fi
-else
- echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()"
-
- cat >$test.c <<EOF
-#include <stdio.h>
-
-int mytest()
-{
- char buf[20];
-
- snprintf(buf, sizeof(buf), "%s", "foo");
- return 0;
-}
-
-int main()
-{
- return (mytest());
-}
-EOF
-
- if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then
- echo "Checking for snprintf() in stdio.h... Yes."
-
- cat >$test.c <<EOF
-#include <stdio.h>
-
-int mytest()
-{
- char buf[20];
-
- return snprintf(buf, sizeof(buf), "%s", "foo");
-}
-
-int main()
-{
- return (mytest());
-}
-EOF
-
- if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
- echo "Checking for return value of snprintf()... Yes."
- else
- CFLAGS="$CFLAGS -DHAS_snprintf_void"
- echo "Checking for return value of snprintf()... No."
- echo " WARNING: apparently snprintf() does not return a value. zlib"
- echo " can build but will be open to possible string-format security"
- echo " vulnerabilities."
- fi
- else
- CFLAGS="$CFLAGS -DNO_snprintf"
- echo "Checking for snprintf() in stdio.h... No."
- echo " WARNING: snprintf() not found, falling back to sprintf(). zlib"
- echo " can build but will be open to possible buffer-overflow security"
- echo " vulnerabilities."
-
- cat >$test.c <<EOF
-#include <stdio.h>
-
-int mytest()
-{
- char buf[20];
-
- return sprintf(buf, "%s", "foo");
-}
-
-int main()
-{
- return (mytest());
-}
-EOF
-
- if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
- echo "Checking for return value of sprintf()... Yes."
- else
- CFLAGS="$CFLAGS -DHAS_sprintf_void"
- echo "Checking for return value of sprintf()... No."
- echo " WARNING: apparently sprintf() does not return a value. zlib"
- echo " can build but will be open to possible string-format security"
- echo " vulnerabilities."
- fi
- fi
-fi
-
-cat >$test.c <<EOF
-#include <errno.h>
-int main() { return 0; }
-EOF
-if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
- echo "Checking for errno.h... Yes."
-else
- echo "Checking for errno.h... No."
- CFLAGS="$CFLAGS -DNO_ERRNO_H"
-fi
-
-cat > $test.c <<EOF
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-caddr_t hello() {
- return mmap((caddr_t)0, (off_t)0, PROT_READ, MAP_SHARED, 0, (off_t)0);
-}
-EOF
-if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
- CFLAGS="$CFLAGS -DUSE_MMAP"
- echo Checking for mmap support... Yes.
-else
- echo Checking for mmap support... No.
-fi
-
-CPP=${CPP-"$CC -E"}
-case $CFLAGS in
- *ASMV*)
- if test "`nm $test.o | grep _hello`" = ""; then
- CPP="$CPP -DNO_UNDERLINE"
- echo Checking for underline in external names... No.
- else
- echo Checking for underline in external names... Yes.
- fi;;
-esac
-
-rm -f $test.[co] $test $test$shared_ext
-
-# udpate Makefile
-sed < Makefile.in "
-/^CC *=/s#=.*#=$CC#
-/^CFLAGS *=/s#=.*#=$CFLAGS#
-/^CPP *=/s#=.*#=$CPP#
-/^LDSHARED *=/s#=.*#=$LDSHARED#
-/^LIBS *=/s#=.*#=$LIBS#
-/^SHAREDLIB *=/s#=.*#=$SHAREDLIB#
-/^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV#
-/^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM#
-/^AR *=/s#=.*#=$AR#
-/^RANLIB *=/s#=.*#=$RANLIB#
-/^EXE *=/s#=.*#=$EXE#
-/^prefix *=/s#=.*#=$prefix#
-/^exec_prefix *=/s#=.*#=$exec_prefix#
-/^libdir *=/s#=.*#=$libdir#
-/^includedir *=/s#=.*#=$includedir#
-/^mandir *=/s#=.*#=$mandir#
-/^LDFLAGS *=/s#=.*#=$LDFLAGS#
-" > Makefile
+++ /dev/null
-All files under this contrib directory are UNSUPPORTED. There were
-provided by users of zlib and were not tested by the authors of zlib.
-Use at your own risk. Please contact the authors of the contributions
-for help about these, not the zlib authors. Thanks.
-
-
-ada/ by Dmitriy Anisimkov <anisimkov@yahoo.com>
- Support for Ada
- See http://zlib-ada.sourceforge.net/
-
-asm586/
-asm686/ by Brian Raiter <breadbox@muppetlabs.com>
- asm code for Pentium and PPro/PII, using the AT&T (GNU as) syntax
- See http://www.muppetlabs.com/~breadbox/software/assembly.html
-
-blast/ by Mark Adler <madler@alumni.caltech.edu>
- Decompressor for output of PKWare Data Compression Library (DCL)
-
-delphi/ by Cosmin Truta <cosmint@cs.ubbcluj.ro>
- Support for Delphi and C++ Builder
-
-dotzlib/ by Henrik Ravn <henrik@ravn.com>
- Support for Microsoft .Net and Visual C++ .Net
-
-infback9/ by Mark Adler <madler@alumni.caltech.edu>
- Unsupported diffs to infback to decode the deflate64 format
-
-inflate86/ by Chris Anderson <christop@charm.net>
- Tuned x86 gcc asm code to replace inflate_fast()
-
-iostream/ by Kevin Ruland <kevin@rodin.wustl.edu>
- A C++ I/O streams interface to the zlib gz* functions
-
-iostream2/ by Tyge Løvset <Tyge.Lovset@cmr.no>
- Another C++ I/O streams interface
-
-iostream3/ by Ludwig Schwardt <schwardt@sun.ac.za>
- and Kevin Ruland <kevin@rodin.wustl.edu>
- Yet another C++ I/O streams interface
-
-masm686/ by Dan Higdon <hdan@kinesoft.com>
- and Chuck Walbourn <chuckw@kinesoft.com>
- asm code for Pentium Pro/PII, using the MASM syntax
-
-masmx64/ by Gilles Vollant <info@winimage.com>
- x86 64-bit (AMD64 and Intel EM64t) code for x64 assembler to
- replace longest_match() and inflate_fast()
-
-masmx86/ by Gilles Vollant <info@winimage.com>
- x86 asm code to replace longest_match() and inflate_fast(),
- for Visual C++ and MASM
-
-minizip/ by Gilles Vollant <info@winimage.com>
- Mini zip and unzip based on zlib
- See http://www.winimage.com/zLibDll/unzip.html
-
-pascal/ by Bob Dellaca <bobdl@xtra.co.nz> et al.
- Support for Pascal
-
-puff/ by Mark Adler <madler@alumni.caltech.edu>
- Small, low memory usage inflate. Also serves to provide an
- unambiguous description of the deflate format.
-
-testzlib/ by Gilles Vollant <info@winimage.com>
- Example of the use of zlib
-
-untgz/ by Pedro A. Aranda Gutierrez <paag@tid.es>
- A very simple tar.gz file extractor using zlib
-
-vstudio/ by Gilles Vollant <info@winimage.com>
- Building a minizip-enhanced zlib with Microsoft Visual Studio
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2004 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
---
--- $Id: buffer_demo.adb,v 1.3 2004/09/06 06:55:35 vagul Exp $
-
--- This demo program provided by Dr Steve Sangwine <sjs@essex.ac.uk>
---
--- Demonstration of a problem with Zlib-Ada (already fixed) when a buffer
--- of exactly the correct size is used for decompressed data, and the last
--- few bytes passed in to Zlib are checksum bytes.
-
--- This program compresses a string of text, and then decompresses the
--- compressed text into a buffer of the same size as the original text.
-
-with Ada.Streams; use Ada.Streams;
-with Ada.Text_IO;
-
-with ZLib; use ZLib;
-
-procedure Buffer_Demo is
- EOL : Character renames ASCII.LF;
- Text : constant String
- := "Four score and seven years ago our fathers brought forth," & EOL &
- "upon this continent, a new nation, conceived in liberty," & EOL &
- "and dedicated to the proposition that `all men are created equal'.";
-
- Source : Stream_Element_Array (1 .. Text'Length);
- for Source'Address use Text'Address;
-
-begin
- Ada.Text_IO.Put (Text);
- Ada.Text_IO.New_Line;
- Ada.Text_IO.Put_Line
- ("Uncompressed size : " & Positive'Image (Text'Length) & " bytes");
-
- declare
- Compressed_Data : Stream_Element_Array (1 .. Text'Length);
- L : Stream_Element_Offset;
- begin
- Compress : declare
- Compressor : Filter_Type;
- I : Stream_Element_Offset;
- begin
- Deflate_Init (Compressor);
-
- -- Compress the whole of T at once.
-
- Translate (Compressor, Source, I, Compressed_Data, L, Finish);
- pragma Assert (I = Source'Last);
-
- Close (Compressor);
-
- Ada.Text_IO.Put_Line
- ("Compressed size : "
- & Stream_Element_Offset'Image (L) & " bytes");
- end Compress;
-
- -- Now we decompress the data, passing short blocks of data to Zlib
- -- (because this demonstrates the problem - the last block passed will
- -- contain checksum information and there will be no output, only a
- -- check inside Zlib that the checksum is correct).
-
- Decompress : declare
- Decompressor : Filter_Type;
-
- Uncompressed_Data : Stream_Element_Array (1 .. Text'Length);
-
- Block_Size : constant := 4;
- -- This makes sure that the last block contains
- -- only Adler checksum data.
-
- P : Stream_Element_Offset := Compressed_Data'First - 1;
- O : Stream_Element_Offset;
- begin
- Inflate_Init (Decompressor);
-
- loop
- Translate
- (Decompressor,
- Compressed_Data
- (P + 1 .. Stream_Element_Offset'Min (P + Block_Size, L)),
- P,
- Uncompressed_Data
- (Total_Out (Decompressor) + 1 .. Uncompressed_Data'Last),
- O,
- No_Flush);
-
- Ada.Text_IO.Put_Line
- ("Total in : " & Count'Image (Total_In (Decompressor)) &
- ", out : " & Count'Image (Total_Out (Decompressor)));
-
- exit when P = L;
- end loop;
-
- Ada.Text_IO.New_Line;
- Ada.Text_IO.Put_Line
- ("Decompressed text matches original text : "
- & Boolean'Image (Uncompressed_Data = Source));
- end Decompress;
- end;
-end Buffer_Demo;
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2003 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
--- Continuous test for ZLib multithreading. If the test would fail
--- we should provide thread safe allocation routines for the Z_Stream.
---
--- $Id: mtest.adb,v 1.4 2004/07/23 07:49:54 vagul Exp $
-
-with ZLib;
-with Ada.Streams;
-with Ada.Numerics.Discrete_Random;
-with Ada.Text_IO;
-with Ada.Exceptions;
-with Ada.Task_Identification;
-
-procedure MTest is
- use Ada.Streams;
- use ZLib;
-
- Stop : Boolean := False;
-
- pragma Atomic (Stop);
-
- subtype Visible_Symbols is Stream_Element range 16#20# .. 16#7E#;
-
- package Random_Elements is
- new Ada.Numerics.Discrete_Random (Visible_Symbols);
-
- task type Test_Task;
-
- task body Test_Task is
- Buffer : Stream_Element_Array (1 .. 100_000);
- Gen : Random_Elements.Generator;
-
- Buffer_First : Stream_Element_Offset;
- Compare_First : Stream_Element_Offset;
-
- Deflate : Filter_Type;
- Inflate : Filter_Type;
-
- procedure Further (Item : in Stream_Element_Array);
-
- procedure Read_Buffer
- (Item : out Ada.Streams.Stream_Element_Array;
- Last : out Ada.Streams.Stream_Element_Offset);
-
- -------------
- -- Further --
- -------------
-
- procedure Further (Item : in Stream_Element_Array) is
-
- procedure Compare (Item : in Stream_Element_Array);
-
- -------------
- -- Compare --
- -------------
-
- procedure Compare (Item : in Stream_Element_Array) is
- Next_First : Stream_Element_Offset := Compare_First + Item'Length;
- begin
- if Buffer (Compare_First .. Next_First - 1) /= Item then
- raise Program_Error;
- end if;
-
- Compare_First := Next_First;
- end Compare;
-
- procedure Compare_Write is new ZLib.Write (Write => Compare);
- begin
- Compare_Write (Inflate, Item, No_Flush);
- end Further;
-
- -----------------
- -- Read_Buffer --
- -----------------
-
- procedure Read_Buffer
- (Item : out Ada.Streams.Stream_Element_Array;
- Last : out Ada.Streams.Stream_Element_Offset)
- is
- Buff_Diff : Stream_Element_Offset := Buffer'Last - Buffer_First;
- Next_First : Stream_Element_Offset;
- begin
- if Item'Length <= Buff_Diff then
- Last := Item'Last;
-
- Next_First := Buffer_First + Item'Length;
-
- Item := Buffer (Buffer_First .. Next_First - 1);
-
- Buffer_First := Next_First;
- else
- Last := Item'First + Buff_Diff;
- Item (Item'First .. Last) := Buffer (Buffer_First .. Buffer'Last);
- Buffer_First := Buffer'Last + 1;
- end if;
- end Read_Buffer;
-
- procedure Translate is new Generic_Translate
- (Data_In => Read_Buffer,
- Data_Out => Further);
-
- begin
- Random_Elements.Reset (Gen);
-
- Buffer := (others => 20);
-
- Main : loop
- for J in Buffer'Range loop
- Buffer (J) := Random_Elements.Random (Gen);
-
- Deflate_Init (Deflate);
- Inflate_Init (Inflate);
-
- Buffer_First := Buffer'First;
- Compare_First := Buffer'First;
-
- Translate (Deflate);
-
- if Compare_First /= Buffer'Last + 1 then
- raise Program_Error;
- end if;
-
- Ada.Text_IO.Put_Line
- (Ada.Task_Identification.Image
- (Ada.Task_Identification.Current_Task)
- & Stream_Element_Offset'Image (J)
- & ZLib.Count'Image (Total_Out (Deflate)));
-
- Close (Deflate);
- Close (Inflate);
-
- exit Main when Stop;
- end loop;
- end loop Main;
- exception
- when E : others =>
- Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Information (E));
- Stop := True;
- end Test_Task;
-
- Test : array (1 .. 4) of Test_Task;
-
- pragma Unreferenced (Test);
-
- Dummy : Character;
-
-begin
- Ada.Text_IO.Get_Immediate (Dummy);
- Stop := True;
-end MTest;
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2003 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
-
--- $Id: read.adb,v 1.8 2004/05/31 10:53:40 vagul Exp $
-
--- Test/demo program for the generic read interface.
-
-with Ada.Numerics.Discrete_Random;
-with Ada.Streams;
-with Ada.Text_IO;
-
-with ZLib;
-
-procedure Read is
-
- use Ada.Streams;
-
- ------------------------------------
- -- Test configuration parameters --
- ------------------------------------
-
- File_Size : Stream_Element_Offset := 100_000;
-
- Continuous : constant Boolean := False;
- -- If this constant is True, the test would be repeated again and again,
- -- with increment File_Size for every iteration.
-
- Header : constant ZLib.Header_Type := ZLib.Default;
- -- Do not use Header other than Default in ZLib versions 1.1.4 and older.
-
- Init_Random : constant := 8;
- -- We are using the same random sequence, in case of we catch bug,
- -- so we would be able to reproduce it.
-
- -- End --
-
- Pack_Size : Stream_Element_Offset;
- Offset : Stream_Element_Offset;
-
- Filter : ZLib.Filter_Type;
-
- subtype Visible_Symbols
- is Stream_Element range 16#20# .. 16#7E#;
-
- package Random_Elements is new
- Ada.Numerics.Discrete_Random (Visible_Symbols);
-
- Gen : Random_Elements.Generator;
- Period : constant Stream_Element_Offset := 200;
- -- Period constant variable for random generator not to be very random.
- -- Bigger period, harder random.
-
- Read_Buffer : Stream_Element_Array (1 .. 2048);
- Read_First : Stream_Element_Offset;
- Read_Last : Stream_Element_Offset;
-
- procedure Reset;
-
- procedure Read
- (Item : out Stream_Element_Array;
- Last : out Stream_Element_Offset);
- -- this procedure is for generic instantiation of
- -- ZLib.Read
- -- reading data from the File_In.
-
- procedure Read is new ZLib.Read
- (Read,
- Read_Buffer,
- Rest_First => Read_First,
- Rest_Last => Read_Last);
-
- ----------
- -- Read --
- ----------
-
- procedure Read
- (Item : out Stream_Element_Array;
- Last : out Stream_Element_Offset) is
- begin
- Last := Stream_Element_Offset'Min
- (Item'Last,
- Item'First + File_Size - Offset);
-
- for J in Item'First .. Last loop
- if J < Item'First + Period then
- Item (J) := Random_Elements.Random (Gen);
- else
- Item (J) := Item (J - Period);
- end if;
-
- Offset := Offset + 1;
- end loop;
- end Read;
-
- -----------
- -- Reset --
- -----------
-
- procedure Reset is
- begin
- Random_Elements.Reset (Gen, Init_Random);
- Pack_Size := 0;
- Offset := 1;
- Read_First := Read_Buffer'Last + 1;
- Read_Last := Read_Buffer'Last;
- end Reset;
-
-begin
- Ada.Text_IO.Put_Line ("ZLib " & ZLib.Version);
-
- loop
- for Level in ZLib.Compression_Level'Range loop
-
- Ada.Text_IO.Put ("Level ="
- & ZLib.Compression_Level'Image (Level));
-
- -- Deflate using generic instantiation.
-
- ZLib.Deflate_Init
- (Filter,
- Level,
- Header => Header);
-
- Reset;
-
- Ada.Text_IO.Put
- (Stream_Element_Offset'Image (File_Size) & " ->");
-
- loop
- declare
- Buffer : Stream_Element_Array (1 .. 1024);
- Last : Stream_Element_Offset;
- begin
- Read (Filter, Buffer, Last);
-
- Pack_Size := Pack_Size + Last - Buffer'First + 1;
-
- exit when Last < Buffer'Last;
- end;
- end loop;
-
- Ada.Text_IO.Put_Line (Stream_Element_Offset'Image (Pack_Size));
-
- ZLib.Close (Filter);
- end loop;
-
- exit when not Continuous;
-
- File_Size := File_Size + 1;
- end loop;
-end Read;
+++ /dev/null
- ZLib for Ada thick binding (ZLib.Ada)
- Release 1.3
-
-ZLib.Ada is a thick binding interface to the popular ZLib data
-compression library, available at http://www.gzip.org/zlib/.
-It provides Ada-style access to the ZLib C library.
-
-
- Here are the main changes since ZLib.Ada 1.2:
-
-- Attension: ZLib.Read generic routine have a initialization requirement
- for Read_Last parameter now. It is a bit incompartible with previous version,
- but extends functionality, we could use new parameters Allow_Read_Some and
- Flush now.
-
-- Added Is_Open routines to ZLib and ZLib.Streams packages.
-
-- Add pragma Assert to check Stream_Element is 8 bit.
-
-- Fix extraction to buffer with exact known decompressed size. Error reported by
- Steve Sangwine.
-
-- Fix definition of ULong (changed to unsigned_long), fix regression on 64 bits
- computers. Patch provided by Pascal Obry.
-
-- Add Status_Error exception definition.
-
-- Add pragma Assertion that Ada.Streams.Stream_Element size is 8 bit.
-
-
- How to build ZLib.Ada under GNAT
-
-You should have the ZLib library already build on your computer, before
-building ZLib.Ada. Make the directory of ZLib.Ada sources current and
-issue the command:
-
- gnatmake test -largs -L<directory where libz.a is> -lz
-
-Or use the GNAT project file build for GNAT 3.15 or later:
-
- gnatmake -Pzlib.gpr -L<directory where libz.a is>
-
-
- How to build ZLib.Ada under Aonix ObjectAda for Win32 7.2.2
-
-1. Make a project with all *.ads and *.adb files from the distribution.
-2. Build the libz.a library from the ZLib C sources.
-3. Rename libz.a to z.lib.
-4. Add the library z.lib to the project.
-5. Add the libc.lib library from the ObjectAda distribution to the project.
-6. Build the executable using test.adb as a main procedure.
-
-
- How to use ZLib.Ada
-
-The source files test.adb and read.adb are small demo programs that show
-the main functionality of ZLib.Ada.
-
-The routines from the package specifications are commented.
-
-
-Homepage: http://zlib-ada.sourceforge.net/
-Author: Dmitriy Anisimkov <anisimkov@yahoo.com>
-
-Contributors: Pascal Obry <pascal@obry.org>, Steve Sangwine <sjs@essex.ac.uk>
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2003 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
-
--- $Id: test.adb,v 1.17 2003/08/12 12:13:30 vagul Exp $
-
--- The program has a few aims.
--- 1. Test ZLib.Ada95 thick binding functionality.
--- 2. Show the example of use main functionality of the ZLib.Ada95 binding.
--- 3. Build this program automatically compile all ZLib.Ada95 packages under
--- GNAT Ada95 compiler.
-
-with ZLib.Streams;
-with Ada.Streams.Stream_IO;
-with Ada.Numerics.Discrete_Random;
-
-with Ada.Text_IO;
-
-with Ada.Calendar;
-
-procedure Test is
-
- use Ada.Streams;
- use Stream_IO;
-
- ------------------------------------
- -- Test configuration parameters --
- ------------------------------------
-
- File_Size : Count := 100_000;
- Continuous : constant Boolean := False;
-
- Header : constant ZLib.Header_Type := ZLib.Default;
- -- ZLib.None;
- -- ZLib.Auto;
- -- ZLib.GZip;
- -- Do not use Header other then Default in ZLib versions 1.1.4
- -- and older.
-
- Strategy : constant ZLib.Strategy_Type := ZLib.Default_Strategy;
- Init_Random : constant := 10;
-
- -- End --
-
- In_File_Name : constant String := "testzlib.in";
- -- Name of the input file
-
- Z_File_Name : constant String := "testzlib.zlb";
- -- Name of the compressed file.
-
- Out_File_Name : constant String := "testzlib.out";
- -- Name of the decompressed file.
-
- File_In : File_Type;
- File_Out : File_Type;
- File_Back : File_Type;
- File_Z : ZLib.Streams.Stream_Type;
-
- Filter : ZLib.Filter_Type;
-
- Time_Stamp : Ada.Calendar.Time;
-
- procedure Generate_File;
- -- Generate file of spetsified size with some random data.
- -- The random data is repeatable, for the good compression.
-
- procedure Compare_Streams
- (Left, Right : in out Root_Stream_Type'Class);
- -- The procedure compearing data in 2 streams.
- -- It is for compare data before and after compression/decompression.
-
- procedure Compare_Files (Left, Right : String);
- -- Compare files. Based on the Compare_Streams.
-
- procedure Copy_Streams
- (Source, Target : in out Root_Stream_Type'Class;
- Buffer_Size : in Stream_Element_Offset := 1024);
- -- Copying data from one stream to another. It is for test stream
- -- interface of the library.
-
- procedure Data_In
- (Item : out Stream_Element_Array;
- Last : out Stream_Element_Offset);
- -- this procedure is for generic instantiation of
- -- ZLib.Generic_Translate.
- -- reading data from the File_In.
-
- procedure Data_Out (Item : in Stream_Element_Array);
- -- this procedure is for generic instantiation of
- -- ZLib.Generic_Translate.
- -- writing data to the File_Out.
-
- procedure Stamp;
- -- Store the timestamp to the local variable.
-
- procedure Print_Statistic (Msg : String; Data_Size : ZLib.Count);
- -- Print the time statistic with the message.
-
- procedure Translate is new ZLib.Generic_Translate
- (Data_In => Data_In,
- Data_Out => Data_Out);
- -- This procedure is moving data from File_In to File_Out
- -- with compression or decompression, depend on initialization of
- -- Filter parameter.
-
- -------------------
- -- Compare_Files --
- -------------------
-
- procedure Compare_Files (Left, Right : String) is
- Left_File, Right_File : File_Type;
- begin
- Open (Left_File, In_File, Left);
- Open (Right_File, In_File, Right);
- Compare_Streams (Stream (Left_File).all, Stream (Right_File).all);
- Close (Left_File);
- Close (Right_File);
- end Compare_Files;
-
- ---------------------
- -- Compare_Streams --
- ---------------------
-
- procedure Compare_Streams
- (Left, Right : in out Ada.Streams.Root_Stream_Type'Class)
- is
- Left_Buffer, Right_Buffer : Stream_Element_Array (0 .. 16#FFF#);
- Left_Last, Right_Last : Stream_Element_Offset;
- begin
- loop
- Read (Left, Left_Buffer, Left_Last);
- Read (Right, Right_Buffer, Right_Last);
-
- if Left_Last /= Right_Last then
- Ada.Text_IO.Put_Line ("Compare error :"
- & Stream_Element_Offset'Image (Left_Last)
- & " /= "
- & Stream_Element_Offset'Image (Right_Last));
-
- raise Constraint_Error;
-
- elsif Left_Buffer (0 .. Left_Last)
- /= Right_Buffer (0 .. Right_Last)
- then
- Ada.Text_IO.Put_Line ("ERROR: IN and OUT files is not equal.");
- raise Constraint_Error;
-
- end if;
-
- exit when Left_Last < Left_Buffer'Last;
- end loop;
- end Compare_Streams;
-
- ------------------
- -- Copy_Streams --
- ------------------
-
- procedure Copy_Streams
- (Source, Target : in out Ada.Streams.Root_Stream_Type'Class;
- Buffer_Size : in Stream_Element_Offset := 1024)
- is
- Buffer : Stream_Element_Array (1 .. Buffer_Size);
- Last : Stream_Element_Offset;
- begin
- loop
- Read (Source, Buffer, Last);
- Write (Target, Buffer (1 .. Last));
-
- exit when Last < Buffer'Last;
- end loop;
- end Copy_Streams;
-
- -------------
- -- Data_In --
- -------------
-
- procedure Data_In
- (Item : out Stream_Element_Array;
- Last : out Stream_Element_Offset) is
- begin
- Read (File_In, Item, Last);
- end Data_In;
-
- --------------
- -- Data_Out --
- --------------
-
- procedure Data_Out (Item : in Stream_Element_Array) is
- begin
- Write (File_Out, Item);
- end Data_Out;
-
- -------------------
- -- Generate_File --
- -------------------
-
- procedure Generate_File is
- subtype Visible_Symbols is Stream_Element range 16#20# .. 16#7E#;
-
- package Random_Elements is
- new Ada.Numerics.Discrete_Random (Visible_Symbols);
-
- Gen : Random_Elements.Generator;
- Buffer : Stream_Element_Array := (1 .. 77 => 16#20#) & 10;
-
- Buffer_Count : constant Count := File_Size / Buffer'Length;
- -- Number of same buffers in the packet.
-
- Density : constant Count := 30; -- from 0 to Buffer'Length - 2;
-
- procedure Fill_Buffer (J, D : in Count);
- -- Change the part of the buffer.
-
- -----------------
- -- Fill_Buffer --
- -----------------
-
- procedure Fill_Buffer (J, D : in Count) is
- begin
- for K in 0 .. D loop
- Buffer
- (Stream_Element_Offset ((J + K) mod (Buffer'Length - 1) + 1))
- := Random_Elements.Random (Gen);
-
- end loop;
- end Fill_Buffer;
-
- begin
- Random_Elements.Reset (Gen, Init_Random);
-
- Create (File_In, Out_File, In_File_Name);
-
- Fill_Buffer (1, Buffer'Length - 2);
-
- for J in 1 .. Buffer_Count loop
- Write (File_In, Buffer);
-
- Fill_Buffer (J, Density);
- end loop;
-
- -- fill remain size.
-
- Write
- (File_In,
- Buffer
- (1 .. Stream_Element_Offset
- (File_Size - Buffer'Length * Buffer_Count)));
-
- Flush (File_In);
- Close (File_In);
- end Generate_File;
-
- ---------------------
- -- Print_Statistic --
- ---------------------
-
- procedure Print_Statistic (Msg : String; Data_Size : ZLib.Count) is
- use Ada.Calendar;
- use Ada.Text_IO;
-
- package Count_IO is new Integer_IO (ZLib.Count);
-
- Curr_Dur : Duration := Clock - Time_Stamp;
- begin
- Put (Msg);
-
- Set_Col (20);
- Ada.Text_IO.Put ("size =");
-
- Count_IO.Put
- (Data_Size,
- Width => Stream_IO.Count'Image (File_Size)'Length);
-
- Put_Line (" duration =" & Duration'Image (Curr_Dur));
- end Print_Statistic;
-
- -----------
- -- Stamp --
- -----------
-
- procedure Stamp is
- begin
- Time_Stamp := Ada.Calendar.Clock;
- end Stamp;
-
-begin
- Ada.Text_IO.Put_Line ("ZLib " & ZLib.Version);
-
- loop
- Generate_File;
-
- for Level in ZLib.Compression_Level'Range loop
-
- Ada.Text_IO.Put_Line ("Level ="
- & ZLib.Compression_Level'Image (Level));
-
- -- Test generic interface.
- Open (File_In, In_File, In_File_Name);
- Create (File_Out, Out_File, Z_File_Name);
-
- Stamp;
-
- -- Deflate using generic instantiation.
-
- ZLib.Deflate_Init
- (Filter => Filter,
- Level => Level,
- Strategy => Strategy,
- Header => Header);
-
- Translate (Filter);
- Print_Statistic ("Generic compress", ZLib.Total_Out (Filter));
- ZLib.Close (Filter);
-
- Close (File_In);
- Close (File_Out);
-
- Open (File_In, In_File, Z_File_Name);
- Create (File_Out, Out_File, Out_File_Name);
-
- Stamp;
-
- -- Inflate using generic instantiation.
-
- ZLib.Inflate_Init (Filter, Header => Header);
-
- Translate (Filter);
- Print_Statistic ("Generic decompress", ZLib.Total_Out (Filter));
-
- ZLib.Close (Filter);
-
- Close (File_In);
- Close (File_Out);
-
- Compare_Files (In_File_Name, Out_File_Name);
-
- -- Test stream interface.
-
- -- Compress to the back stream.
-
- Open (File_In, In_File, In_File_Name);
- Create (File_Back, Out_File, Z_File_Name);
-
- Stamp;
-
- ZLib.Streams.Create
- (Stream => File_Z,
- Mode => ZLib.Streams.Out_Stream,
- Back => ZLib.Streams.Stream_Access
- (Stream (File_Back)),
- Back_Compressed => True,
- Level => Level,
- Strategy => Strategy,
- Header => Header);
-
- Copy_Streams
- (Source => Stream (File_In).all,
- Target => File_Z);
-
- -- Flushing internal buffers to the back stream.
-
- ZLib.Streams.Flush (File_Z, ZLib.Finish);
-
- Print_Statistic ("Write compress",
- ZLib.Streams.Write_Total_Out (File_Z));
-
- ZLib.Streams.Close (File_Z);
-
- Close (File_In);
- Close (File_Back);
-
- -- Compare reading from original file and from
- -- decompression stream.
-
- Open (File_In, In_File, In_File_Name);
- Open (File_Back, In_File, Z_File_Name);
-
- ZLib.Streams.Create
- (Stream => File_Z,
- Mode => ZLib.Streams.In_Stream,
- Back => ZLib.Streams.Stream_Access
- (Stream (File_Back)),
- Back_Compressed => True,
- Header => Header);
-
- Stamp;
- Compare_Streams (Stream (File_In).all, File_Z);
-
- Print_Statistic ("Read decompress",
- ZLib.Streams.Read_Total_Out (File_Z));
-
- ZLib.Streams.Close (File_Z);
- Close (File_In);
- Close (File_Back);
-
- -- Compress by reading from compression stream.
-
- Open (File_Back, In_File, In_File_Name);
- Create (File_Out, Out_File, Z_File_Name);
-
- ZLib.Streams.Create
- (Stream => File_Z,
- Mode => ZLib.Streams.In_Stream,
- Back => ZLib.Streams.Stream_Access
- (Stream (File_Back)),
- Back_Compressed => False,
- Level => Level,
- Strategy => Strategy,
- Header => Header);
-
- Stamp;
- Copy_Streams
- (Source => File_Z,
- Target => Stream (File_Out).all);
-
- Print_Statistic ("Read compress",
- ZLib.Streams.Read_Total_Out (File_Z));
-
- ZLib.Streams.Close (File_Z);
-
- Close (File_Out);
- Close (File_Back);
-
- -- Decompress to decompression stream.
-
- Open (File_In, In_File, Z_File_Name);
- Create (File_Back, Out_File, Out_File_Name);
-
- ZLib.Streams.Create
- (Stream => File_Z,
- Mode => ZLib.Streams.Out_Stream,
- Back => ZLib.Streams.Stream_Access
- (Stream (File_Back)),
- Back_Compressed => False,
- Header => Header);
-
- Stamp;
-
- Copy_Streams
- (Source => Stream (File_In).all,
- Target => File_Z);
-
- Print_Statistic ("Write decompress",
- ZLib.Streams.Write_Total_Out (File_Z));
-
- ZLib.Streams.Close (File_Z);
- Close (File_In);
- Close (File_Back);
-
- Compare_Files (In_File_Name, Out_File_Name);
- end loop;
-
- Ada.Text_IO.Put_Line (Count'Image (File_Size) & " Ok.");
-
- exit when not Continuous;
-
- File_Size := File_Size + 1;
- end loop;
-end Test;
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2003 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
-
--- $Id: zlib-streams.adb,v 1.10 2004/05/31 10:53:40 vagul Exp $
-
-with Ada.Unchecked_Deallocation;
-
-package body ZLib.Streams is
-
- -----------
- -- Close --
- -----------
-
- procedure Close (Stream : in out Stream_Type) is
- procedure Free is new Ada.Unchecked_Deallocation
- (Stream_Element_Array, Buffer_Access);
- begin
- if Stream.Mode = Out_Stream or Stream.Mode = Duplex then
- -- We should flush the data written by the writer.
-
- Flush (Stream, Finish);
-
- Close (Stream.Writer);
- end if;
-
- if Stream.Mode = In_Stream or Stream.Mode = Duplex then
- Close (Stream.Reader);
- Free (Stream.Buffer);
- end if;
- end Close;
-
- ------------
- -- Create --
- ------------
-
- procedure Create
- (Stream : out Stream_Type;
- Mode : in Stream_Mode;
- Back : in Stream_Access;
- Back_Compressed : in Boolean;
- Level : in Compression_Level := Default_Compression;
- Strategy : in Strategy_Type := Default_Strategy;
- Header : in Header_Type := Default;
- Read_Buffer_Size : in Ada.Streams.Stream_Element_Offset
- := Default_Buffer_Size;
- Write_Buffer_Size : in Ada.Streams.Stream_Element_Offset
- := Default_Buffer_Size)
- is
-
- subtype Buffer_Subtype is Stream_Element_Array (1 .. Read_Buffer_Size);
-
- procedure Init_Filter
- (Filter : in out Filter_Type;
- Compress : in Boolean);
-
- -----------------
- -- Init_Filter --
- -----------------
-
- procedure Init_Filter
- (Filter : in out Filter_Type;
- Compress : in Boolean) is
- begin
- if Compress then
- Deflate_Init
- (Filter, Level, Strategy, Header => Header);
- else
- Inflate_Init (Filter, Header => Header);
- end if;
- end Init_Filter;
-
- begin
- Stream.Back := Back;
- Stream.Mode := Mode;
-
- if Mode = Out_Stream or Mode = Duplex then
- Init_Filter (Stream.Writer, Back_Compressed);
- Stream.Buffer_Size := Write_Buffer_Size;
- else
- Stream.Buffer_Size := 0;
- end if;
-
- if Mode = In_Stream or Mode = Duplex then
- Init_Filter (Stream.Reader, not Back_Compressed);
-
- Stream.Buffer := new Buffer_Subtype;
- Stream.Rest_First := Stream.Buffer'Last + 1;
- Stream.Rest_Last := Stream.Buffer'Last;
- end if;
- end Create;
-
- -----------
- -- Flush --
- -----------
-
- procedure Flush
- (Stream : in out Stream_Type;
- Mode : in Flush_Mode := Sync_Flush)
- is
- Buffer : Stream_Element_Array (1 .. Stream.Buffer_Size);
- Last : Stream_Element_Offset;
- begin
- loop
- Flush (Stream.Writer, Buffer, Last, Mode);
-
- Ada.Streams.Write (Stream.Back.all, Buffer (1 .. Last));
-
- exit when Last < Buffer'Last;
- end loop;
- end Flush;
-
- -------------
- -- Is_Open --
- -------------
-
- function Is_Open (Stream : Stream_Type) return Boolean is
- begin
- return Is_Open (Stream.Reader) or else Is_Open (Stream.Writer);
- end Is_Open;
-
- ----------
- -- Read --
- ----------
-
- procedure Read
- (Stream : in out Stream_Type;
- Item : out Stream_Element_Array;
- Last : out Stream_Element_Offset)
- is
-
- procedure Read
- (Item : out Stream_Element_Array;
- Last : out Stream_Element_Offset);
-
- ----------
- -- Read --
- ----------
-
- procedure Read
- (Item : out Stream_Element_Array;
- Last : out Stream_Element_Offset) is
- begin
- Ada.Streams.Read (Stream.Back.all, Item, Last);
- end Read;
-
- procedure Read is new ZLib.Read
- (Read => Read,
- Buffer => Stream.Buffer.all,
- Rest_First => Stream.Rest_First,
- Rest_Last => Stream.Rest_Last);
-
- begin
- Read (Stream.Reader, Item, Last);
- end Read;
-
- -------------------
- -- Read_Total_In --
- -------------------
-
- function Read_Total_In (Stream : in Stream_Type) return Count is
- begin
- return Total_In (Stream.Reader);
- end Read_Total_In;
-
- --------------------
- -- Read_Total_Out --
- --------------------
-
- function Read_Total_Out (Stream : in Stream_Type) return Count is
- begin
- return Total_Out (Stream.Reader);
- end Read_Total_Out;
-
- -----------
- -- Write --
- -----------
-
- procedure Write
- (Stream : in out Stream_Type;
- Item : in Stream_Element_Array)
- is
-
- procedure Write (Item : in Stream_Element_Array);
-
- -----------
- -- Write --
- -----------
-
- procedure Write (Item : in Stream_Element_Array) is
- begin
- Ada.Streams.Write (Stream.Back.all, Item);
- end Write;
-
- procedure Write is new ZLib.Write
- (Write => Write,
- Buffer_Size => Stream.Buffer_Size);
-
- begin
- Write (Stream.Writer, Item, No_Flush);
- end Write;
-
- --------------------
- -- Write_Total_In --
- --------------------
-
- function Write_Total_In (Stream : in Stream_Type) return Count is
- begin
- return Total_In (Stream.Writer);
- end Write_Total_In;
-
- ---------------------
- -- Write_Total_Out --
- ---------------------
-
- function Write_Total_Out (Stream : in Stream_Type) return Count is
- begin
- return Total_Out (Stream.Writer);
- end Write_Total_Out;
-
-end ZLib.Streams;
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2003 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
-
--- $Id: zlib-streams.ads,v 1.12 2004/05/31 10:53:40 vagul Exp $
-
-package ZLib.Streams is
-
- type Stream_Mode is (In_Stream, Out_Stream, Duplex);
-
- type Stream_Access is access all Ada.Streams.Root_Stream_Type'Class;
-
- type Stream_Type is
- new Ada.Streams.Root_Stream_Type with private;
-
- procedure Read
- (Stream : in out Stream_Type;
- Item : out Ada.Streams.Stream_Element_Array;
- Last : out Ada.Streams.Stream_Element_Offset);
-
- procedure Write
- (Stream : in out Stream_Type;
- Item : in Ada.Streams.Stream_Element_Array);
-
- procedure Flush
- (Stream : in out Stream_Type;
- Mode : in Flush_Mode := Sync_Flush);
- -- Flush the written data to the back stream,
- -- all data placed to the compressor is flushing to the Back stream.
- -- Should not be used untill necessary, becouse it is decreasing
- -- compression.
-
- function Read_Total_In (Stream : in Stream_Type) return Count;
- pragma Inline (Read_Total_In);
- -- Return total number of bytes read from back stream so far.
-
- function Read_Total_Out (Stream : in Stream_Type) return Count;
- pragma Inline (Read_Total_Out);
- -- Return total number of bytes read so far.
-
- function Write_Total_In (Stream : in Stream_Type) return Count;
- pragma Inline (Write_Total_In);
- -- Return total number of bytes written so far.
-
- function Write_Total_Out (Stream : in Stream_Type) return Count;
- pragma Inline (Write_Total_Out);
- -- Return total number of bytes written to the back stream.
-
- procedure Create
- (Stream : out Stream_Type;
- Mode : in Stream_Mode;
- Back : in Stream_Access;
- Back_Compressed : in Boolean;
- Level : in Compression_Level := Default_Compression;
- Strategy : in Strategy_Type := Default_Strategy;
- Header : in Header_Type := Default;
- Read_Buffer_Size : in Ada.Streams.Stream_Element_Offset
- := Default_Buffer_Size;
- Write_Buffer_Size : in Ada.Streams.Stream_Element_Offset
- := Default_Buffer_Size);
- -- Create the Comression/Decompression stream.
- -- If mode is In_Stream then Write operation is disabled.
- -- If mode is Out_Stream then Read operation is disabled.
-
- -- If Back_Compressed is true then
- -- Data written to the Stream is compressing to the Back stream
- -- and data read from the Stream is decompressed data from the Back stream.
-
- -- If Back_Compressed is false then
- -- Data written to the Stream is decompressing to the Back stream
- -- and data read from the Stream is compressed data from the Back stream.
-
- -- !!! When the Need_Header is False ZLib-Ada is using undocumented
- -- ZLib 1.1.4 functionality to do not create/wait for ZLib headers.
-
- function Is_Open (Stream : Stream_Type) return Boolean;
-
- procedure Close (Stream : in out Stream_Type);
-
-private
-
- use Ada.Streams;
-
- type Buffer_Access is access all Stream_Element_Array;
-
- type Stream_Type
- is new Root_Stream_Type with
- record
- Mode : Stream_Mode;
-
- Buffer : Buffer_Access;
- Rest_First : Stream_Element_Offset;
- Rest_Last : Stream_Element_Offset;
- -- Buffer for Read operation.
- -- We need to have this buffer in the record
- -- becouse not all read data from back stream
- -- could be processed during the read operation.
-
- Buffer_Size : Stream_Element_Offset;
- -- Buffer size for write operation.
- -- We do not need to have this buffer
- -- in the record becouse all data could be
- -- processed in the write operation.
-
- Back : Stream_Access;
- Reader : Filter_Type;
- Writer : Filter_Type;
- end record;
-
-end ZLib.Streams;
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2003 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
-
--- $Id: zlib-thin.adb,v 1.8 2003/12/14 18:27:31 vagul Exp $
-
-package body ZLib.Thin is
-
- ZLIB_VERSION : constant Chars_Ptr := zlibVersion;
-
- Z_Stream_Size : constant Int := Z_Stream'Size / System.Storage_Unit;
-
- --------------
- -- Avail_In --
- --------------
-
- function Avail_In (Strm : in Z_Stream) return UInt is
- begin
- return Strm.Avail_In;
- end Avail_In;
-
- ---------------
- -- Avail_Out --
- ---------------
-
- function Avail_Out (Strm : in Z_Stream) return UInt is
- begin
- return Strm.Avail_Out;
- end Avail_Out;
-
- ------------------
- -- Deflate_Init --
- ------------------
-
- function Deflate_Init
- (strm : Z_Streamp;
- level : Int;
- method : Int;
- windowBits : Int;
- memLevel : Int;
- strategy : Int)
- return Int is
- begin
- return deflateInit2
- (strm,
- level,
- method,
- windowBits,
- memLevel,
- strategy,
- ZLIB_VERSION,
- Z_Stream_Size);
- end Deflate_Init;
-
- ------------------
- -- Inflate_Init --
- ------------------
-
- function Inflate_Init (strm : Z_Streamp; windowBits : Int) return Int is
- begin
- return inflateInit2 (strm, windowBits, ZLIB_VERSION, Z_Stream_Size);
- end Inflate_Init;
-
- ------------------------
- -- Last_Error_Message --
- ------------------------
-
- function Last_Error_Message (Strm : in Z_Stream) return String is
- use Interfaces.C.Strings;
- begin
- if Strm.msg = Null_Ptr then
- return "";
- else
- return Value (Strm.msg);
- end if;
- end Last_Error_Message;
-
- ------------
- -- Set_In --
- ------------
-
- procedure Set_In
- (Strm : in out Z_Stream;
- Buffer : in Voidp;
- Size : in UInt) is
- begin
- Strm.Next_In := Buffer;
- Strm.Avail_In := Size;
- end Set_In;
-
- ------------------
- -- Set_Mem_Func --
- ------------------
-
- procedure Set_Mem_Func
- (Strm : in out Z_Stream;
- Opaque : in Voidp;
- Alloc : in alloc_func;
- Free : in free_func) is
- begin
- Strm.opaque := Opaque;
- Strm.zalloc := Alloc;
- Strm.zfree := Free;
- end Set_Mem_Func;
-
- -------------
- -- Set_Out --
- -------------
-
- procedure Set_Out
- (Strm : in out Z_Stream;
- Buffer : in Voidp;
- Size : in UInt) is
- begin
- Strm.Next_Out := Buffer;
- Strm.Avail_Out := Size;
- end Set_Out;
-
- --------------
- -- Total_In --
- --------------
-
- function Total_In (Strm : in Z_Stream) return ULong is
- begin
- return Strm.Total_In;
- end Total_In;
-
- ---------------
- -- Total_Out --
- ---------------
-
- function Total_Out (Strm : in Z_Stream) return ULong is
- begin
- return Strm.Total_Out;
- end Total_Out;
-
-end ZLib.Thin;
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2003 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
-
--- $Id: zlib-thin.ads,v 1.11 2004/07/23 06:33:11 vagul Exp $
-
-with Interfaces.C.Strings;
-
-with System;
-
-private package ZLib.Thin is
-
- -- From zconf.h
-
- MAX_MEM_LEVEL : constant := 9; -- zconf.h:105
- -- zconf.h:105
- MAX_WBITS : constant := 15; -- zconf.h:115
- -- 32K LZ77 window
- -- zconf.h:115
- SEEK_SET : constant := 8#0000#; -- zconf.h:244
- -- Seek from beginning of file.
- -- zconf.h:244
- SEEK_CUR : constant := 1; -- zconf.h:245
- -- Seek from current position.
- -- zconf.h:245
- SEEK_END : constant := 2; -- zconf.h:246
- -- Set file pointer to EOF plus "offset"
- -- zconf.h:246
-
- type Byte is new Interfaces.C.unsigned_char; -- 8 bits
- -- zconf.h:214
- type UInt is new Interfaces.C.unsigned; -- 16 bits or more
- -- zconf.h:216
- type Int is new Interfaces.C.int;
-
- type ULong is new Interfaces.C.unsigned_long; -- 32 bits or more
- -- zconf.h:217
- subtype Chars_Ptr is Interfaces.C.Strings.chars_ptr;
-
- type ULong_Access is access ULong;
- type Int_Access is access Int;
-
- subtype Voidp is System.Address; -- zconf.h:232
-
- subtype Byte_Access is Voidp;
-
- Nul : constant Voidp := System.Null_Address;
- -- end from zconf
-
- Z_NO_FLUSH : constant := 8#0000#; -- zlib.h:125
- -- zlib.h:125
- Z_PARTIAL_FLUSH : constant := 1; -- zlib.h:126
- -- will be removed, use
- -- Z_SYNC_FLUSH instead
- -- zlib.h:126
- Z_SYNC_FLUSH : constant := 2; -- zlib.h:127
- -- zlib.h:127
- Z_FULL_FLUSH : constant := 3; -- zlib.h:128
- -- zlib.h:128
- Z_FINISH : constant := 4; -- zlib.h:129
- -- zlib.h:129
- Z_OK : constant := 8#0000#; -- zlib.h:132
- -- zlib.h:132
- Z_STREAM_END : constant := 1; -- zlib.h:133
- -- zlib.h:133
- Z_NEED_DICT : constant := 2; -- zlib.h:134
- -- zlib.h:134
- Z_ERRNO : constant := -1; -- zlib.h:135
- -- zlib.h:135
- Z_STREAM_ERROR : constant := -2; -- zlib.h:136
- -- zlib.h:136
- Z_DATA_ERROR : constant := -3; -- zlib.h:137
- -- zlib.h:137
- Z_MEM_ERROR : constant := -4; -- zlib.h:138
- -- zlib.h:138
- Z_BUF_ERROR : constant := -5; -- zlib.h:139
- -- zlib.h:139
- Z_VERSION_ERROR : constant := -6; -- zlib.h:140
- -- zlib.h:140
- Z_NO_COMPRESSION : constant := 8#0000#; -- zlib.h:145
- -- zlib.h:145
- Z_BEST_SPEED : constant := 1; -- zlib.h:146
- -- zlib.h:146
- Z_BEST_COMPRESSION : constant := 9; -- zlib.h:147
- -- zlib.h:147
- Z_DEFAULT_COMPRESSION : constant := -1; -- zlib.h:148
- -- zlib.h:148
- Z_FILTERED : constant := 1; -- zlib.h:151
- -- zlib.h:151
- Z_HUFFMAN_ONLY : constant := 2; -- zlib.h:152
- -- zlib.h:152
- Z_DEFAULT_STRATEGY : constant := 8#0000#; -- zlib.h:153
- -- zlib.h:153
- Z_BINARY : constant := 8#0000#; -- zlib.h:156
- -- zlib.h:156
- Z_ASCII : constant := 1; -- zlib.h:157
- -- zlib.h:157
- Z_UNKNOWN : constant := 2; -- zlib.h:158
- -- zlib.h:158
- Z_DEFLATED : constant := 8; -- zlib.h:161
- -- zlib.h:161
- Z_NULL : constant := 8#0000#; -- zlib.h:164
- -- for initializing zalloc, zfree, opaque
- -- zlib.h:164
- type gzFile is new Voidp; -- zlib.h:646
-
- type Z_Stream is private;
-
- type Z_Streamp is access all Z_Stream; -- zlib.h:89
-
- type alloc_func is access function
- (Opaque : Voidp;
- Items : UInt;
- Size : UInt)
- return Voidp; -- zlib.h:63
-
- type free_func is access procedure (opaque : Voidp; address : Voidp);
-
- function zlibVersion return Chars_Ptr;
-
- function Deflate (strm : Z_Streamp; flush : Int) return Int;
-
- function DeflateEnd (strm : Z_Streamp) return Int;
-
- function Inflate (strm : Z_Streamp; flush : Int) return Int;
-
- function InflateEnd (strm : Z_Streamp) return Int;
-
- function deflateSetDictionary
- (strm : Z_Streamp;
- dictionary : Byte_Access;
- dictLength : UInt)
- return Int;
-
- function deflateCopy (dest : Z_Streamp; source : Z_Streamp) return Int;
- -- zlib.h:478
-
- function deflateReset (strm : Z_Streamp) return Int; -- zlib.h:495
-
- function deflateParams
- (strm : Z_Streamp;
- level : Int;
- strategy : Int)
- return Int; -- zlib.h:506
-
- function inflateSetDictionary
- (strm : Z_Streamp;
- dictionary : Byte_Access;
- dictLength : UInt)
- return Int; -- zlib.h:548
-
- function inflateSync (strm : Z_Streamp) return Int; -- zlib.h:565
-
- function inflateReset (strm : Z_Streamp) return Int; -- zlib.h:580
-
- function compress
- (dest : Byte_Access;
- destLen : ULong_Access;
- source : Byte_Access;
- sourceLen : ULong)
- return Int; -- zlib.h:601
-
- function compress2
- (dest : Byte_Access;
- destLen : ULong_Access;
- source : Byte_Access;
- sourceLen : ULong;
- level : Int)
- return Int; -- zlib.h:615
-
- function uncompress
- (dest : Byte_Access;
- destLen : ULong_Access;
- source : Byte_Access;
- sourceLen : ULong)
- return Int;
-
- function gzopen (path : Chars_Ptr; mode : Chars_Ptr) return gzFile;
-
- function gzdopen (fd : Int; mode : Chars_Ptr) return gzFile;
-
- function gzsetparams
- (file : gzFile;
- level : Int;
- strategy : Int)
- return Int;
-
- function gzread
- (file : gzFile;
- buf : Voidp;
- len : UInt)
- return Int;
-
- function gzwrite
- (file : in gzFile;
- buf : in Voidp;
- len : in UInt)
- return Int;
-
- function gzprintf (file : in gzFile; format : in Chars_Ptr) return Int;
-
- function gzputs (file : in gzFile; s : in Chars_Ptr) return Int;
-
- function gzgets
- (file : gzFile;
- buf : Chars_Ptr;
- len : Int)
- return Chars_Ptr;
-
- function gzputc (file : gzFile; char : Int) return Int;
-
- function gzgetc (file : gzFile) return Int;
-
- function gzflush (file : gzFile; flush : Int) return Int;
-
- function gzseek
- (file : gzFile;
- offset : Int;
- whence : Int)
- return Int;
-
- function gzrewind (file : gzFile) return Int;
-
- function gztell (file : gzFile) return Int;
-
- function gzeof (file : gzFile) return Int;
-
- function gzclose (file : gzFile) return Int;
-
- function gzerror (file : gzFile; errnum : Int_Access) return Chars_Ptr;
-
- function adler32
- (adler : ULong;
- buf : Byte_Access;
- len : UInt)
- return ULong;
-
- function crc32
- (crc : ULong;
- buf : Byte_Access;
- len : UInt)
- return ULong;
-
- function deflateInit
- (strm : Z_Streamp;
- level : Int;
- version : Chars_Ptr;
- stream_size : Int)
- return Int;
-
- function deflateInit2
- (strm : Z_Streamp;
- level : Int;
- method : Int;
- windowBits : Int;
- memLevel : Int;
- strategy : Int;
- version : Chars_Ptr;
- stream_size : Int)
- return Int;
-
- function Deflate_Init
- (strm : Z_Streamp;
- level : Int;
- method : Int;
- windowBits : Int;
- memLevel : Int;
- strategy : Int)
- return Int;
- pragma Inline (Deflate_Init);
-
- function inflateInit
- (strm : Z_Streamp;
- version : Chars_Ptr;
- stream_size : Int)
- return Int;
-
- function inflateInit2
- (strm : in Z_Streamp;
- windowBits : in Int;
- version : in Chars_Ptr;
- stream_size : in Int)
- return Int;
-
- function inflateBackInit
- (strm : in Z_Streamp;
- windowBits : in Int;
- window : in Byte_Access;
- version : in Chars_Ptr;
- stream_size : in Int)
- return Int;
- -- Size of window have to be 2**windowBits.
-
- function Inflate_Init (strm : Z_Streamp; windowBits : Int) return Int;
- pragma Inline (Inflate_Init);
-
- function zError (err : Int) return Chars_Ptr;
-
- function inflateSyncPoint (z : Z_Streamp) return Int;
-
- function get_crc_table return ULong_Access;
-
- -- Interface to the available fields of the z_stream structure.
- -- The application must update next_in and avail_in when avail_in has
- -- dropped to zero. It must update next_out and avail_out when avail_out
- -- has dropped to zero. The application must initialize zalloc, zfree and
- -- opaque before calling the init function.
-
- procedure Set_In
- (Strm : in out Z_Stream;
- Buffer : in Voidp;
- Size : in UInt);
- pragma Inline (Set_In);
-
- procedure Set_Out
- (Strm : in out Z_Stream;
- Buffer : in Voidp;
- Size : in UInt);
- pragma Inline (Set_Out);
-
- procedure Set_Mem_Func
- (Strm : in out Z_Stream;
- Opaque : in Voidp;
- Alloc : in alloc_func;
- Free : in free_func);
- pragma Inline (Set_Mem_Func);
-
- function Last_Error_Message (Strm : in Z_Stream) return String;
- pragma Inline (Last_Error_Message);
-
- function Avail_Out (Strm : in Z_Stream) return UInt;
- pragma Inline (Avail_Out);
-
- function Avail_In (Strm : in Z_Stream) return UInt;
- pragma Inline (Avail_In);
-
- function Total_In (Strm : in Z_Stream) return ULong;
- pragma Inline (Total_In);
-
- function Total_Out (Strm : in Z_Stream) return ULong;
- pragma Inline (Total_Out);
-
- function inflateCopy
- (dest : in Z_Streamp;
- Source : in Z_Streamp)
- return Int;
-
- function compressBound (Source_Len : in ULong) return ULong;
-
- function deflateBound
- (Strm : in Z_Streamp;
- Source_Len : in ULong)
- return ULong;
-
- function gzungetc (C : in Int; File : in gzFile) return Int;
-
- function zlibCompileFlags return ULong;
-
-private
-
- type Z_Stream is record -- zlib.h:68
- Next_In : Voidp := Nul; -- next input byte
- Avail_In : UInt := 0; -- number of bytes available at next_in
- Total_In : ULong := 0; -- total nb of input bytes read so far
- Next_Out : Voidp := Nul; -- next output byte should be put there
- Avail_Out : UInt := 0; -- remaining free space at next_out
- Total_Out : ULong := 0; -- total nb of bytes output so far
- msg : Chars_Ptr; -- last error message, NULL if no error
- state : Voidp; -- not visible by applications
- zalloc : alloc_func := null; -- used to allocate the internal state
- zfree : free_func := null; -- used to free the internal state
- opaque : Voidp; -- private data object passed to
- -- zalloc and zfree
- data_type : Int; -- best guess about the data type:
- -- ascii or binary
- adler : ULong; -- adler32 value of the uncompressed
- -- data
- reserved : ULong; -- reserved for future use
- end record;
-
- pragma Convention (C, Z_Stream);
-
- pragma Import (C, zlibVersion, "zlibVersion");
- pragma Import (C, Deflate, "deflate");
- pragma Import (C, DeflateEnd, "deflateEnd");
- pragma Import (C, Inflate, "inflate");
- pragma Import (C, InflateEnd, "inflateEnd");
- pragma Import (C, deflateSetDictionary, "deflateSetDictionary");
- pragma Import (C, deflateCopy, "deflateCopy");
- pragma Import (C, deflateReset, "deflateReset");
- pragma Import (C, deflateParams, "deflateParams");
- pragma Import (C, inflateSetDictionary, "inflateSetDictionary");
- pragma Import (C, inflateSync, "inflateSync");
- pragma Import (C, inflateReset, "inflateReset");
- pragma Import (C, compress, "compress");
- pragma Import (C, compress2, "compress2");
- pragma Import (C, uncompress, "uncompress");
- pragma Import (C, gzopen, "gzopen");
- pragma Import (C, gzdopen, "gzdopen");
- pragma Import (C, gzsetparams, "gzsetparams");
- pragma Import (C, gzread, "gzread");
- pragma Import (C, gzwrite, "gzwrite");
- pragma Import (C, gzprintf, "gzprintf");
- pragma Import (C, gzputs, "gzputs");
- pragma Import (C, gzgets, "gzgets");
- pragma Import (C, gzputc, "gzputc");
- pragma Import (C, gzgetc, "gzgetc");
- pragma Import (C, gzflush, "gzflush");
- pragma Import (C, gzseek, "gzseek");
- pragma Import (C, gzrewind, "gzrewind");
- pragma Import (C, gztell, "gztell");
- pragma Import (C, gzeof, "gzeof");
- pragma Import (C, gzclose, "gzclose");
- pragma Import (C, gzerror, "gzerror");
- pragma Import (C, adler32, "adler32");
- pragma Import (C, crc32, "crc32");
- pragma Import (C, deflateInit, "deflateInit_");
- pragma Import (C, inflateInit, "inflateInit_");
- pragma Import (C, deflateInit2, "deflateInit2_");
- pragma Import (C, inflateInit2, "inflateInit2_");
- pragma Import (C, zError, "zError");
- pragma Import (C, inflateSyncPoint, "inflateSyncPoint");
- pragma Import (C, get_crc_table, "get_crc_table");
-
- -- since zlib 1.2.0:
-
- pragma Import (C, inflateCopy, "inflateCopy");
- pragma Import (C, compressBound, "compressBound");
- pragma Import (C, deflateBound, "deflateBound");
- pragma Import (C, gzungetc, "gzungetc");
- pragma Import (C, zlibCompileFlags, "zlibCompileFlags");
-
- pragma Import (C, inflateBackInit, "inflateBackInit_");
-
- -- I stopped binding the inflateBack routines, becouse realize that
- -- it does not support zlib and gzip headers for now, and have no
- -- symmetric deflateBack routines.
- -- ZLib-Ada is symmetric regarding deflate/inflate data transformation
- -- and has a similar generic callback interface for the
- -- deflate/inflate transformation based on the regular Deflate/Inflate
- -- routines.
-
- -- pragma Import (C, inflateBack, "inflateBack");
- -- pragma Import (C, inflateBackEnd, "inflateBackEnd");
-
-end ZLib.Thin;
+++ /dev/null
-----------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2004 Dmitriy Anisimkov --
--- --
--- Open source license information is in the zlib.ads file. --
-----------------------------------------------------------------
-
--- $Id: zlib.adb,v 1.31 2004/09/06 06:53:19 vagul Exp $
-
-with Ada.Exceptions;
-with Ada.Unchecked_Conversion;
-with Ada.Unchecked_Deallocation;
-
-with Interfaces.C.Strings;
-
-with ZLib.Thin;
-
-package body ZLib is
-
- use type Thin.Int;
-
- type Z_Stream is new Thin.Z_Stream;
-
- type Return_Code_Enum is
- (OK,
- STREAM_END,
- NEED_DICT,
- ERRNO,
- STREAM_ERROR,
- DATA_ERROR,
- MEM_ERROR,
- BUF_ERROR,
- VERSION_ERROR);
-
- type Flate_Step_Function is access
- function (Strm : in Thin.Z_Streamp; Flush : in Thin.Int) return Thin.Int;
- pragma Convention (C, Flate_Step_Function);
-
- type Flate_End_Function is access
- function (Ctrm : in Thin.Z_Streamp) return Thin.Int;
- pragma Convention (C, Flate_End_Function);
-
- type Flate_Type is record
- Step : Flate_Step_Function;
- Done : Flate_End_Function;
- end record;
-
- subtype Footer_Array is Stream_Element_Array (1 .. 8);
-
- Simple_GZip_Header : constant Stream_Element_Array (1 .. 10)
- := (16#1f#, 16#8b#, -- Magic header
- 16#08#, -- Z_DEFLATED
- 16#00#, -- Flags
- 16#00#, 16#00#, 16#00#, 16#00#, -- Time
- 16#00#, -- XFlags
- 16#03# -- OS code
- );
- -- The simplest gzip header is not for informational, but just for
- -- gzip format compatibility.
- -- Note that some code below is using assumption
- -- Simple_GZip_Header'Last > Footer_Array'Last, so do not make
- -- Simple_GZip_Header'Last <= Footer_Array'Last.
-
- Return_Code : constant array (Thin.Int range <>) of Return_Code_Enum
- := (0 => OK,
- 1 => STREAM_END,
- 2 => NEED_DICT,
- -1 => ERRNO,
- -2 => STREAM_ERROR,
- -3 => DATA_ERROR,
- -4 => MEM_ERROR,
- -5 => BUF_ERROR,
- -6 => VERSION_ERROR);
-
- Flate : constant array (Boolean) of Flate_Type
- := (True => (Step => Thin.Deflate'Access,
- Done => Thin.DeflateEnd'Access),
- False => (Step => Thin.Inflate'Access,
- Done => Thin.InflateEnd'Access));
-
- Flush_Finish : constant array (Boolean) of Flush_Mode
- := (True => Finish, False => No_Flush);
-
- procedure Raise_Error (Stream : in Z_Stream);
- pragma Inline (Raise_Error);
-
- procedure Raise_Error (Message : in String);
- pragma Inline (Raise_Error);
-
- procedure Check_Error (Stream : in Z_Stream; Code : in Thin.Int);
-
- procedure Free is new Ada.Unchecked_Deallocation
- (Z_Stream, Z_Stream_Access);
-
- function To_Thin_Access is new Ada.Unchecked_Conversion
- (Z_Stream_Access, Thin.Z_Streamp);
-
- procedure Translate_GZip
- (Filter : in out Filter_Type;
- In_Data : in Ada.Streams.Stream_Element_Array;
- In_Last : out Ada.Streams.Stream_Element_Offset;
- Out_Data : out Ada.Streams.Stream_Element_Array;
- Out_Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode);
- -- Separate translate routine for make gzip header.
-
- procedure Translate_Auto
- (Filter : in out Filter_Type;
- In_Data : in Ada.Streams.Stream_Element_Array;
- In_Last : out Ada.Streams.Stream_Element_Offset;
- Out_Data : out Ada.Streams.Stream_Element_Array;
- Out_Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode);
- -- translate routine without additional headers.
-
- -----------------
- -- Check_Error --
- -----------------
-
- procedure Check_Error (Stream : in Z_Stream; Code : in Thin.Int) is
- use type Thin.Int;
- begin
- if Code /= Thin.Z_OK then
- Raise_Error
- (Return_Code_Enum'Image (Return_Code (Code))
- & ": " & Last_Error_Message (Stream));
- end if;
- end Check_Error;
-
- -----------
- -- Close --
- -----------
-
- procedure Close
- (Filter : in out Filter_Type;
- Ignore_Error : in Boolean := False)
- is
- Code : Thin.Int;
- begin
- if not Ignore_Error and then not Is_Open (Filter) then
- raise Status_Error;
- end if;
-
- Code := Flate (Filter.Compression).Done (To_Thin_Access (Filter.Strm));
-
- if Ignore_Error or else Code = Thin.Z_OK then
- Free (Filter.Strm);
- else
- declare
- Error_Message : constant String
- := Last_Error_Message (Filter.Strm.all);
- begin
- Free (Filter.Strm);
- Ada.Exceptions.Raise_Exception
- (ZLib_Error'Identity,
- Return_Code_Enum'Image (Return_Code (Code))
- & ": " & Error_Message);
- end;
- end if;
- end Close;
-
- -----------
- -- CRC32 --
- -----------
-
- function CRC32
- (CRC : in Unsigned_32;
- Data : in Ada.Streams.Stream_Element_Array)
- return Unsigned_32
- is
- use Thin;
- begin
- return Unsigned_32 (crc32 (ULong (CRC),
- Data'Address,
- Data'Length));
- end CRC32;
-
- procedure CRC32
- (CRC : in out Unsigned_32;
- Data : in Ada.Streams.Stream_Element_Array) is
- begin
- CRC := CRC32 (CRC, Data);
- end CRC32;
-
- ------------------
- -- Deflate_Init --
- ------------------
-
- procedure Deflate_Init
- (Filter : in out Filter_Type;
- Level : in Compression_Level := Default_Compression;
- Strategy : in Strategy_Type := Default_Strategy;
- Method : in Compression_Method := Deflated;
- Window_Bits : in Window_Bits_Type := Default_Window_Bits;
- Memory_Level : in Memory_Level_Type := Default_Memory_Level;
- Header : in Header_Type := Default)
- is
- use type Thin.Int;
- Win_Bits : Thin.Int := Thin.Int (Window_Bits);
- begin
- if Is_Open (Filter) then
- raise Status_Error;
- end if;
-
- -- We allow ZLib to make header only in case of default header type.
- -- Otherwise we would either do header by ourselfs, or do not do
- -- header at all.
-
- if Header = None or else Header = GZip then
- Win_Bits := -Win_Bits;
- end if;
-
- -- For the GZip CRC calculation and make headers.
-
- if Header = GZip then
- Filter.CRC := 0;
- Filter.Offset := Simple_GZip_Header'First;
- else
- Filter.Offset := Simple_GZip_Header'Last + 1;
- end if;
-
- Filter.Strm := new Z_Stream;
- Filter.Compression := True;
- Filter.Stream_End := False;
- Filter.Header := Header;
-
- if Thin.Deflate_Init
- (To_Thin_Access (Filter.Strm),
- Level => Thin.Int (Level),
- method => Thin.Int (Method),
- windowBits => Win_Bits,
- memLevel => Thin.Int (Memory_Level),
- strategy => Thin.Int (Strategy)) /= Thin.Z_OK
- then
- Raise_Error (Filter.Strm.all);
- end if;
- end Deflate_Init;
-
- -----------
- -- Flush --
- -----------
-
- procedure Flush
- (Filter : in out Filter_Type;
- Out_Data : out Ada.Streams.Stream_Element_Array;
- Out_Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode)
- is
- No_Data : Stream_Element_Array := (1 .. 0 => 0);
- Last : Stream_Element_Offset;
- begin
- Translate (Filter, No_Data, Last, Out_Data, Out_Last, Flush);
- end Flush;
-
- -----------------------
- -- Generic_Translate --
- -----------------------
-
- procedure Generic_Translate
- (Filter : in out ZLib.Filter_Type;
- In_Buffer_Size : in Integer := Default_Buffer_Size;
- Out_Buffer_Size : in Integer := Default_Buffer_Size)
- is
- In_Buffer : Stream_Element_Array
- (1 .. Stream_Element_Offset (In_Buffer_Size));
- Out_Buffer : Stream_Element_Array
- (1 .. Stream_Element_Offset (Out_Buffer_Size));
- Last : Stream_Element_Offset;
- In_Last : Stream_Element_Offset;
- In_First : Stream_Element_Offset;
- Out_Last : Stream_Element_Offset;
- begin
- Main : loop
- Data_In (In_Buffer, Last);
-
- In_First := In_Buffer'First;
-
- loop
- Translate
- (Filter => Filter,
- In_Data => In_Buffer (In_First .. Last),
- In_Last => In_Last,
- Out_Data => Out_Buffer,
- Out_Last => Out_Last,
- Flush => Flush_Finish (Last < In_Buffer'First));
-
- if Out_Buffer'First <= Out_Last then
- Data_Out (Out_Buffer (Out_Buffer'First .. Out_Last));
- end if;
-
- exit Main when Stream_End (Filter);
-
- -- The end of in buffer.
-
- exit when In_Last = Last;
-
- In_First := In_Last + 1;
- end loop;
- end loop Main;
-
- end Generic_Translate;
-
- ------------------
- -- Inflate_Init --
- ------------------
-
- procedure Inflate_Init
- (Filter : in out Filter_Type;
- Window_Bits : in Window_Bits_Type := Default_Window_Bits;
- Header : in Header_Type := Default)
- is
- use type Thin.Int;
- Win_Bits : Thin.Int := Thin.Int (Window_Bits);
-
- procedure Check_Version;
- -- Check the latest header types compatibility.
-
- procedure Check_Version is
- begin
- if Version <= "1.1.4" then
- Raise_Error
- ("Inflate header type " & Header_Type'Image (Header)
- & " incompatible with ZLib version " & Version);
- end if;
- end Check_Version;
-
- begin
- if Is_Open (Filter) then
- raise Status_Error;
- end if;
-
- case Header is
- when None =>
- Check_Version;
-
- -- Inflate data without headers determined
- -- by negative Win_Bits.
-
- Win_Bits := -Win_Bits;
- when GZip =>
- Check_Version;
-
- -- Inflate gzip data defined by flag 16.
-
- Win_Bits := Win_Bits + 16;
- when Auto =>
- Check_Version;
-
- -- Inflate with automatic detection
- -- of gzip or native header defined by flag 32.
-
- Win_Bits := Win_Bits + 32;
- when Default => null;
- end case;
-
- Filter.Strm := new Z_Stream;
- Filter.Compression := False;
- Filter.Stream_End := False;
- Filter.Header := Header;
-
- if Thin.Inflate_Init
- (To_Thin_Access (Filter.Strm), Win_Bits) /= Thin.Z_OK
- then
- Raise_Error (Filter.Strm.all);
- end if;
- end Inflate_Init;
-
- -------------
- -- Is_Open --
- -------------
-
- function Is_Open (Filter : in Filter_Type) return Boolean is
- begin
- return Filter.Strm /= null;
- end Is_Open;
-
- -----------------
- -- Raise_Error --
- -----------------
-
- procedure Raise_Error (Message : in String) is
- begin
- Ada.Exceptions.Raise_Exception (ZLib_Error'Identity, Message);
- end Raise_Error;
-
- procedure Raise_Error (Stream : in Z_Stream) is
- begin
- Raise_Error (Last_Error_Message (Stream));
- end Raise_Error;
-
- ----------
- -- Read --
- ----------
-
- procedure Read
- (Filter : in out Filter_Type;
- Item : out Ada.Streams.Stream_Element_Array;
- Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode := No_Flush)
- is
- In_Last : Stream_Element_Offset;
- Item_First : Ada.Streams.Stream_Element_Offset := Item'First;
- V_Flush : Flush_Mode := Flush;
-
- begin
- pragma Assert (Rest_First in Buffer'First .. Buffer'Last + 1);
- pragma Assert (Rest_Last in Buffer'First - 1 .. Buffer'Last);
-
- loop
- if Rest_Last = Buffer'First - 1 then
- V_Flush := Finish;
-
- elsif Rest_First > Rest_Last then
- Read (Buffer, Rest_Last);
- Rest_First := Buffer'First;
-
- if Rest_Last < Buffer'First then
- V_Flush := Finish;
- end if;
- end if;
-
- Translate
- (Filter => Filter,
- In_Data => Buffer (Rest_First .. Rest_Last),
- In_Last => In_Last,
- Out_Data => Item (Item_First .. Item'Last),
- Out_Last => Last,
- Flush => V_Flush);
-
- Rest_First := In_Last + 1;
-
- exit when Stream_End (Filter)
- or else Last = Item'Last
- or else (Last >= Item'First and then Allow_Read_Some);
-
- Item_First := Last + 1;
- end loop;
- end Read;
-
- ----------------
- -- Stream_End --
- ----------------
-
- function Stream_End (Filter : in Filter_Type) return Boolean is
- begin
- if Filter.Header = GZip and Filter.Compression then
- return Filter.Stream_End
- and then Filter.Offset = Footer_Array'Last + 1;
- else
- return Filter.Stream_End;
- end if;
- end Stream_End;
-
- --------------
- -- Total_In --
- --------------
-
- function Total_In (Filter : in Filter_Type) return Count is
- begin
- return Count (Thin.Total_In (To_Thin_Access (Filter.Strm).all));
- end Total_In;
-
- ---------------
- -- Total_Out --
- ---------------
-
- function Total_Out (Filter : in Filter_Type) return Count is
- begin
- return Count (Thin.Total_Out (To_Thin_Access (Filter.Strm).all));
- end Total_Out;
-
- ---------------
- -- Translate --
- ---------------
-
- procedure Translate
- (Filter : in out Filter_Type;
- In_Data : in Ada.Streams.Stream_Element_Array;
- In_Last : out Ada.Streams.Stream_Element_Offset;
- Out_Data : out Ada.Streams.Stream_Element_Array;
- Out_Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode) is
- begin
- if Filter.Header = GZip and then Filter.Compression then
- Translate_GZip
- (Filter => Filter,
- In_Data => In_Data,
- In_Last => In_Last,
- Out_Data => Out_Data,
- Out_Last => Out_Last,
- Flush => Flush);
- else
- Translate_Auto
- (Filter => Filter,
- In_Data => In_Data,
- In_Last => In_Last,
- Out_Data => Out_Data,
- Out_Last => Out_Last,
- Flush => Flush);
- end if;
- end Translate;
-
- --------------------
- -- Translate_Auto --
- --------------------
-
- procedure Translate_Auto
- (Filter : in out Filter_Type;
- In_Data : in Ada.Streams.Stream_Element_Array;
- In_Last : out Ada.Streams.Stream_Element_Offset;
- Out_Data : out Ada.Streams.Stream_Element_Array;
- Out_Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode)
- is
- use type Thin.Int;
- Code : Thin.Int;
-
- begin
- if not Is_Open (Filter) then
- raise Status_Error;
- end if;
-
- if Out_Data'Length = 0 and then In_Data'Length = 0 then
- raise Constraint_Error;
- end if;
-
- Set_Out (Filter.Strm.all, Out_Data'Address, Out_Data'Length);
- Set_In (Filter.Strm.all, In_Data'Address, In_Data'Length);
-
- Code := Flate (Filter.Compression).Step
- (To_Thin_Access (Filter.Strm),
- Thin.Int (Flush));
-
- if Code = Thin.Z_STREAM_END then
- Filter.Stream_End := True;
- else
- Check_Error (Filter.Strm.all, Code);
- end if;
-
- In_Last := In_Data'Last
- - Stream_Element_Offset (Avail_In (Filter.Strm.all));
- Out_Last := Out_Data'Last
- - Stream_Element_Offset (Avail_Out (Filter.Strm.all));
- end Translate_Auto;
-
- --------------------
- -- Translate_GZip --
- --------------------
-
- procedure Translate_GZip
- (Filter : in out Filter_Type;
- In_Data : in Ada.Streams.Stream_Element_Array;
- In_Last : out Ada.Streams.Stream_Element_Offset;
- Out_Data : out Ada.Streams.Stream_Element_Array;
- Out_Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode)
- is
- Out_First : Stream_Element_Offset;
-
- procedure Add_Data (Data : in Stream_Element_Array);
- -- Add data to stream from the Filter.Offset till necessary,
- -- used for add gzip headr/footer.
-
- procedure Put_32
- (Item : in out Stream_Element_Array;
- Data : in Unsigned_32);
- pragma Inline (Put_32);
-
- --------------
- -- Add_Data --
- --------------
-
- procedure Add_Data (Data : in Stream_Element_Array) is
- Data_First : Stream_Element_Offset renames Filter.Offset;
- Data_Last : Stream_Element_Offset;
- Data_Len : Stream_Element_Offset; -- -1
- Out_Len : Stream_Element_Offset; -- -1
- begin
- Out_First := Out_Last + 1;
-
- if Data_First > Data'Last then
- return;
- end if;
-
- Data_Len := Data'Last - Data_First;
- Out_Len := Out_Data'Last - Out_First;
-
- if Data_Len <= Out_Len then
- Out_Last := Out_First + Data_Len;
- Data_Last := Data'Last;
- else
- Out_Last := Out_Data'Last;
- Data_Last := Data_First + Out_Len;
- end if;
-
- Out_Data (Out_First .. Out_Last) := Data (Data_First .. Data_Last);
-
- Data_First := Data_Last + 1;
- Out_First := Out_Last + 1;
- end Add_Data;
-
- ------------
- -- Put_32 --
- ------------
-
- procedure Put_32
- (Item : in out Stream_Element_Array;
- Data : in Unsigned_32)
- is
- D : Unsigned_32 := Data;
- begin
- for J in Item'First .. Item'First + 3 loop
- Item (J) := Stream_Element (D and 16#FF#);
- D := Shift_Right (D, 8);
- end loop;
- end Put_32;
-
- begin
- Out_Last := Out_Data'First - 1;
-
- if not Filter.Stream_End then
- Add_Data (Simple_GZip_Header);
-
- Translate_Auto
- (Filter => Filter,
- In_Data => In_Data,
- In_Last => In_Last,
- Out_Data => Out_Data (Out_First .. Out_Data'Last),
- Out_Last => Out_Last,
- Flush => Flush);
-
- CRC32 (Filter.CRC, In_Data (In_Data'First .. In_Last));
- end if;
-
- if Filter.Stream_End and then Out_Last <= Out_Data'Last then
- -- This detection method would work only when
- -- Simple_GZip_Header'Last > Footer_Array'Last
-
- if Filter.Offset = Simple_GZip_Header'Last + 1 then
- Filter.Offset := Footer_Array'First;
- end if;
-
- declare
- Footer : Footer_Array;
- begin
- Put_32 (Footer, Filter.CRC);
- Put_32 (Footer (Footer'First + 4 .. Footer'Last),
- Unsigned_32 (Total_In (Filter)));
- Add_Data (Footer);
- end;
- end if;
- end Translate_GZip;
-
- -------------
- -- Version --
- -------------
-
- function Version return String is
- begin
- return Interfaces.C.Strings.Value (Thin.zlibVersion);
- end Version;
-
- -----------
- -- Write --
- -----------
-
- procedure Write
- (Filter : in out Filter_Type;
- Item : in Ada.Streams.Stream_Element_Array;
- Flush : in Flush_Mode := No_Flush)
- is
- Buffer : Stream_Element_Array (1 .. Buffer_Size);
- In_Last : Stream_Element_Offset;
- Out_Last : Stream_Element_Offset;
- In_First : Stream_Element_Offset := Item'First;
- begin
- if Item'Length = 0 and Flush = No_Flush then
- return;
- end if;
-
- loop
- Translate
- (Filter => Filter,
- In_Data => Item (In_First .. Item'Last),
- In_Last => In_Last,
- Out_Data => Buffer,
- Out_Last => Out_Last,
- Flush => Flush);
-
- if Out_Last >= Buffer'First then
- Write (Buffer (1 .. Out_Last));
- end if;
-
- exit when In_Last = Item'Last or Stream_End (Filter);
-
- In_First := In_Last + 1;
- end loop;
- end Write;
-
-end ZLib;
+++ /dev/null
-------------------------------------------------------------------------------
--- ZLib for Ada thick binding. --
--- --
--- Copyright (C) 2002-2004 Dmitriy Anisimkov --
--- --
--- This library is free software; you can redistribute it and/or modify --
--- it under the terms of the GNU General Public License as published by --
--- the Free Software Foundation; either version 2 of the License, or (at --
--- your option) any later version. --
--- --
--- This library is distributed in the hope that it will be useful, but --
--- WITHOUT ANY WARRANTY; without even the implied warranty of --
--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
--- General Public License for more details. --
--- --
--- You should have received a copy of the GNU General Public License --
--- along with this library; if not, write to the Free Software Foundation, --
--- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
-------------------------------------------------------------------------------
-
--- $Id: zlib.ads,v 1.26 2004/09/06 06:53:19 vagul Exp $
-
-with Ada.Streams;
-
-with Interfaces;
-
-package ZLib is
-
- ZLib_Error : exception;
- Status_Error : exception;
-
- type Compression_Level is new Integer range -1 .. 9;
-
- type Flush_Mode is private;
-
- type Compression_Method is private;
-
- type Window_Bits_Type is new Integer range 8 .. 15;
-
- type Memory_Level_Type is new Integer range 1 .. 9;
-
- type Unsigned_32 is new Interfaces.Unsigned_32;
-
- type Strategy_Type is private;
-
- type Header_Type is (None, Auto, Default, GZip);
- -- Header type usage have a some limitation for inflate.
- -- See comment for Inflate_Init.
-
- subtype Count is Ada.Streams.Stream_Element_Count;
-
- Default_Memory_Level : constant Memory_Level_Type := 8;
- Default_Window_Bits : constant Window_Bits_Type := 15;
-
- ----------------------------------
- -- Compression method constants --
- ----------------------------------
-
- Deflated : constant Compression_Method;
- -- Only one method allowed in this ZLib version
-
- ---------------------------------
- -- Compression level constants --
- ---------------------------------
-
- No_Compression : constant Compression_Level := 0;
- Best_Speed : constant Compression_Level := 1;
- Best_Compression : constant Compression_Level := 9;
- Default_Compression : constant Compression_Level := -1;
-
- --------------------------
- -- Flush mode constants --
- --------------------------
-
- No_Flush : constant Flush_Mode;
- -- Regular way for compression, no flush
-
- Partial_Flush : constant Flush_Mode;
- -- Will be removed, use Z_SYNC_FLUSH instead
-
- Sync_Flush : constant Flush_Mode;
- -- All pending output is flushed to the output buffer and the output
- -- is aligned on a byte boundary, so that the decompressor can get all
- -- input data available so far. (In particular avail_in is zero after the
- -- call if enough output space has been provided before the call.)
- -- Flushing may degrade compression for some compression algorithms and so
- -- it should be used only when necessary.
-
- Block_Flush : constant Flush_Mode;
- -- Z_BLOCK requests that inflate() stop
- -- if and when it get to the next deflate block boundary. When decoding the
- -- zlib or gzip format, this will cause inflate() to return immediately
- -- after the header and before the first block. When doing a raw inflate,
- -- inflate() will go ahead and process the first block, and will return
- -- when it gets to the end of that block, or when it runs out of data.
-
- Full_Flush : constant Flush_Mode;
- -- All output is flushed as with SYNC_FLUSH, and the compression state
- -- is reset so that decompression can restart from this point if previous
- -- compressed data has been damaged or if random access is desired. Using
- -- Full_Flush too often can seriously degrade the compression.
-
- Finish : constant Flush_Mode;
- -- Just for tell the compressor that input data is complete.
-
- ------------------------------------
- -- Compression strategy constants --
- ------------------------------------
-
- -- RLE stategy could be used only in version 1.2.0 and later.
-
- Filtered : constant Strategy_Type;
- Huffman_Only : constant Strategy_Type;
- RLE : constant Strategy_Type;
- Default_Strategy : constant Strategy_Type;
-
- Default_Buffer_Size : constant := 4096;
-
- type Filter_Type is tagged limited private;
- -- The filter is for compression and for decompression.
- -- The usage of the type is depend of its initialization.
-
- function Version return String;
- pragma Inline (Version);
- -- Return string representation of the ZLib version.
-
- procedure Deflate_Init
- (Filter : in out Filter_Type;
- Level : in Compression_Level := Default_Compression;
- Strategy : in Strategy_Type := Default_Strategy;
- Method : in Compression_Method := Deflated;
- Window_Bits : in Window_Bits_Type := Default_Window_Bits;
- Memory_Level : in Memory_Level_Type := Default_Memory_Level;
- Header : in Header_Type := Default);
- -- Compressor initialization.
- -- When Header parameter is Auto or Default, then default zlib header
- -- would be provided for compressed data.
- -- When Header is GZip, then gzip header would be set instead of
- -- default header.
- -- When Header is None, no header would be set for compressed data.
-
- procedure Inflate_Init
- (Filter : in out Filter_Type;
- Window_Bits : in Window_Bits_Type := Default_Window_Bits;
- Header : in Header_Type := Default);
- -- Decompressor initialization.
- -- Default header type mean that ZLib default header is expecting in the
- -- input compressed stream.
- -- Header type None mean that no header is expecting in the input stream.
- -- GZip header type mean that GZip header is expecting in the
- -- input compressed stream.
- -- Auto header type mean that header type (GZip or Native) would be
- -- detected automatically in the input stream.
- -- Note that header types parameter values None, GZip and Auto are
- -- supported for inflate routine only in ZLib versions 1.2.0.2 and later.
- -- Deflate_Init is supporting all header types.
-
- function Is_Open (Filter : in Filter_Type) return Boolean;
- pragma Inline (Is_Open);
- -- Is the filter opened for compression or decompression.
-
- procedure Close
- (Filter : in out Filter_Type;
- Ignore_Error : in Boolean := False);
- -- Closing the compression or decompressor.
- -- If stream is closing before the complete and Ignore_Error is False,
- -- The exception would be raised.
-
- generic
- with procedure Data_In
- (Item : out Ada.Streams.Stream_Element_Array;
- Last : out Ada.Streams.Stream_Element_Offset);
- with procedure Data_Out
- (Item : in Ada.Streams.Stream_Element_Array);
- procedure Generic_Translate
- (Filter : in out Filter_Type;
- In_Buffer_Size : in Integer := Default_Buffer_Size;
- Out_Buffer_Size : in Integer := Default_Buffer_Size);
- -- Compress/decompress data fetch from Data_In routine and pass the result
- -- to the Data_Out routine. User should provide Data_In and Data_Out
- -- for compression/decompression data flow.
- -- Compression or decompression depend on Filter initialization.
-
- function Total_In (Filter : in Filter_Type) return Count;
- pragma Inline (Total_In);
- -- Returns total number of input bytes read so far
-
- function Total_Out (Filter : in Filter_Type) return Count;
- pragma Inline (Total_Out);
- -- Returns total number of bytes output so far
-
- function CRC32
- (CRC : in Unsigned_32;
- Data : in Ada.Streams.Stream_Element_Array)
- return Unsigned_32;
- pragma Inline (CRC32);
- -- Compute CRC32, it could be necessary for make gzip format
-
- procedure CRC32
- (CRC : in out Unsigned_32;
- Data : in Ada.Streams.Stream_Element_Array);
- pragma Inline (CRC32);
- -- Compute CRC32, it could be necessary for make gzip format
-
- -------------------------------------------------
- -- Below is more complex low level routines. --
- -------------------------------------------------
-
- procedure Translate
- (Filter : in out Filter_Type;
- In_Data : in Ada.Streams.Stream_Element_Array;
- In_Last : out Ada.Streams.Stream_Element_Offset;
- Out_Data : out Ada.Streams.Stream_Element_Array;
- Out_Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode);
- -- Compress/decompress the In_Data buffer and place the result into
- -- Out_Data. In_Last is the index of last element from In_Data accepted by
- -- the Filter. Out_Last is the last element of the received data from
- -- Filter. To tell the filter that incoming data are complete put the
- -- Flush parameter to Finish.
-
- function Stream_End (Filter : in Filter_Type) return Boolean;
- pragma Inline (Stream_End);
- -- Return the true when the stream is complete.
-
- procedure Flush
- (Filter : in out Filter_Type;
- Out_Data : out Ada.Streams.Stream_Element_Array;
- Out_Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode);
- pragma Inline (Flush);
- -- Flushing the data from the compressor.
-
- generic
- with procedure Write
- (Item : in Ada.Streams.Stream_Element_Array);
- -- User should provide this routine for accept
- -- compressed/decompressed data.
-
- Buffer_Size : in Ada.Streams.Stream_Element_Offset
- := Default_Buffer_Size;
- -- Buffer size for Write user routine.
-
- procedure Write
- (Filter : in out Filter_Type;
- Item : in Ada.Streams.Stream_Element_Array;
- Flush : in Flush_Mode := No_Flush);
- -- Compress/Decompress data from Item to the generic parameter procedure
- -- Write. Output buffer size could be set in Buffer_Size generic parameter.
-
- generic
- with procedure Read
- (Item : out Ada.Streams.Stream_Element_Array;
- Last : out Ada.Streams.Stream_Element_Offset);
- -- User should provide data for compression/decompression
- -- thru this routine.
-
- Buffer : in out Ada.Streams.Stream_Element_Array;
- -- Buffer for keep remaining data from the previous
- -- back read.
-
- Rest_First, Rest_Last : in out Ada.Streams.Stream_Element_Offset;
- -- Rest_First have to be initialized to Buffer'Last + 1
- -- Rest_Last have to be initialized to Buffer'Last
- -- before usage.
-
- Allow_Read_Some : in Boolean := False;
- -- Is it allowed to return Last < Item'Last before end of data.
-
- procedure Read
- (Filter : in out Filter_Type;
- Item : out Ada.Streams.Stream_Element_Array;
- Last : out Ada.Streams.Stream_Element_Offset;
- Flush : in Flush_Mode := No_Flush);
- -- Compress/Decompress data from generic parameter procedure Read to the
- -- Item. User should provide Buffer and initialized Rest_First, Rest_Last
- -- indicators. If Allow_Read_Some is True, Read routines could return
- -- Last < Item'Last only at end of stream.
-
-private
-
- use Ada.Streams;
-
- pragma Assert (Ada.Streams.Stream_Element'Size = 8);
- pragma Assert (Ada.Streams.Stream_Element'Modulus = 2**8);
-
- type Flush_Mode is new Integer range 0 .. 5;
-
- type Compression_Method is new Integer range 8 .. 8;
-
- type Strategy_Type is new Integer range 0 .. 3;
-
- No_Flush : constant Flush_Mode := 0;
- Partial_Flush : constant Flush_Mode := 1;
- Sync_Flush : constant Flush_Mode := 2;
- Full_Flush : constant Flush_Mode := 3;
- Finish : constant Flush_Mode := 4;
- Block_Flush : constant Flush_Mode := 5;
-
- Filtered : constant Strategy_Type := 1;
- Huffman_Only : constant Strategy_Type := 2;
- RLE : constant Strategy_Type := 3;
- Default_Strategy : constant Strategy_Type := 0;
-
- Deflated : constant Compression_Method := 8;
-
- type Z_Stream;
-
- type Z_Stream_Access is access all Z_Stream;
-
- type Filter_Type is tagged limited record
- Strm : Z_Stream_Access;
- Compression : Boolean;
- Stream_End : Boolean;
- Header : Header_Type;
- CRC : Unsigned_32;
- Offset : Stream_Element_Offset;
- -- Offset for gzip header/footer output.
- end record;
-
-end ZLib;
+++ /dev/null
-project Zlib is
-
- for Languages use ("Ada");
- for Source_Dirs use (".");
- for Object_Dir use ".";
- for Main use ("test.adb", "mtest.adb", "read.adb", "buffer_demo");
-
- package Compiler is
- for Default_Switches ("ada") use ("-gnatwcfilopru", "-gnatVcdfimorst", "-gnatyabcefhiklmnoprst");
- end Compiler;
-
- package Linker is
- for Default_Switches ("ada") use ("-lz");
- end Linker;
-
- package Builder is
- for Default_Switches ("ada") use ("-s", "-gnatQ");
- end Builder;
-
-end Zlib;
+++ /dev/null
-This is a patched version of zlib modified to use
-Pentium-optimized assembly code in the deflation algorithm. The files
-changed/added by this patch are:
-
-README.586
-match.S
-
-The effectiveness of these modifications is a bit marginal, as the the
-program's bottleneck seems to be mostly L1-cache contention, for which
-there is no real way to work around without rewriting the basic
-algorithm. The speedup on average is around 5-10% (which is generally
-less than the amount of variance between subsequent executions).
-However, when used at level 9 compression, the cache contention can
-drop enough for the assembly version to achieve 10-20% speedup (and
-sometimes more, depending on the amount of overall redundancy in the
-files). Even here, though, cache contention can still be the limiting
-factor, depending on the nature of the program using the zlib library.
-This may also mean that better improvements will be seen on a Pentium
-with MMX, which suffers much less from L1-cache contention, but I have
-not yet verified this.
-
-Note that this code has been tailored for the Pentium in particular,
-and will not perform well on the Pentium Pro (due to the use of a
-partial register in the inner loop).
-
-If you are using an assembler other than GNU as, you will have to
-translate match.S to use your assembler's syntax. (Have fun.)
-
-Brian Raiter
-breadbox@muppetlabs.com
-April, 1998
-
-
-Added for zlib 1.1.3:
-
-The patches come from
-http://www.muppetlabs.com/~breadbox/software/assembly.html
-
-To compile zlib with this asm file, copy match.S to the zlib directory
-then do:
-
-CFLAGS="-O3 -DASMV" ./configure
-make OBJA=match.o
+++ /dev/null
-/* match.s -- Pentium-optimized version of longest_match()
- * Written for zlib 1.1.2
- * Copyright (C) 1998 Brian Raiter <breadbox@muppetlabs.com>
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License.
- */
-
-#ifndef NO_UNDERLINE
-#define match_init _match_init
-#define longest_match _longest_match
-#endif
-
-#define MAX_MATCH (258)
-#define MIN_MATCH (3)
-#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1)
-#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7)
-
-/* stack frame offsets */
-
-#define wmask 0 /* local copy of s->wmask */
-#define window 4 /* local copy of s->window */
-#define windowbestlen 8 /* s->window + bestlen */
-#define chainlenscanend 12 /* high word: current chain len */
- /* low word: last bytes sought */
-#define scanstart 16 /* first two bytes of string */
-#define scanalign 20 /* dword-misalignment of string */
-#define nicematch 24 /* a good enough match size */
-#define bestlen 28 /* size of best match so far */
-#define scan 32 /* ptr to string wanting match */
-
-#define LocalVarsSize (36)
-/* saved ebx 36 */
-/* saved edi 40 */
-/* saved esi 44 */
-/* saved ebp 48 */
-/* return address 52 */
-#define deflatestate 56 /* the function arguments */
-#define curmatch 60
-
-/* Offsets for fields in the deflate_state structure. These numbers
- * are calculated from the definition of deflate_state, with the
- * assumption that the compiler will dword-align the fields. (Thus,
- * changing the definition of deflate_state could easily cause this
- * program to crash horribly, without so much as a warning at
- * compile time. Sigh.)
- */
-
-/* All the +zlib1222add offsets are due to the addition of fields
- * in zlib in the deflate_state structure since the asm code was first written
- * (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)").
- * (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0").
- * if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8").
- */
-
-#define zlib1222add (8)
-
-#define dsWSize (36+zlib1222add)
-#define dsWMask (44+zlib1222add)
-#define dsWindow (48+zlib1222add)
-#define dsPrev (56+zlib1222add)
-#define dsMatchLen (88+zlib1222add)
-#define dsPrevMatch (92+zlib1222add)
-#define dsStrStart (100+zlib1222add)
-#define dsMatchStart (104+zlib1222add)
-#define dsLookahead (108+zlib1222add)
-#define dsPrevLen (112+zlib1222add)
-#define dsMaxChainLen (116+zlib1222add)
-#define dsGoodMatch (132+zlib1222add)
-#define dsNiceMatch (136+zlib1222add)
-
-
-.file "match.S"
-
-.globl match_init, longest_match
-
-.text
-
-/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */
-
-longest_match:
-
-/* Save registers that the compiler may be using, and adjust %esp to */
-/* make room for our stack frame. */
-
- pushl %ebp
- pushl %edi
- pushl %esi
- pushl %ebx
- subl $LocalVarsSize, %esp
-
-/* Retrieve the function arguments. %ecx will hold cur_match */
-/* throughout the entire function. %edx will hold the pointer to the */
-/* deflate_state structure during the function's setup (before */
-/* entering the main loop). */
-
- movl deflatestate(%esp), %edx
- movl curmatch(%esp), %ecx
-
-/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */
-
- movl dsNiceMatch(%edx), %eax
- movl dsLookahead(%edx), %ebx
- cmpl %eax, %ebx
- jl LookaheadLess
- movl %eax, %ebx
-LookaheadLess: movl %ebx, nicematch(%esp)
-
-/* register Bytef *scan = s->window + s->strstart; */
-
- movl dsWindow(%edx), %esi
- movl %esi, window(%esp)
- movl dsStrStart(%edx), %ebp
- lea (%esi,%ebp), %edi
- movl %edi, scan(%esp)
-
-/* Determine how many bytes the scan ptr is off from being */
-/* dword-aligned. */
-
- movl %edi, %eax
- negl %eax
- andl $3, %eax
- movl %eax, scanalign(%esp)
-
-/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */
-/* s->strstart - (IPos)MAX_DIST(s) : NIL; */
-
- movl dsWSize(%edx), %eax
- subl $MIN_LOOKAHEAD, %eax
- subl %eax, %ebp
- jg LimitPositive
- xorl %ebp, %ebp
-LimitPositive:
-
-/* unsigned chain_length = s->max_chain_length; */
-/* if (s->prev_length >= s->good_match) { */
-/* chain_length >>= 2; */
-/* } */
-
- movl dsPrevLen(%edx), %eax
- movl dsGoodMatch(%edx), %ebx
- cmpl %ebx, %eax
- movl dsMaxChainLen(%edx), %ebx
- jl LastMatchGood
- shrl $2, %ebx
-LastMatchGood:
-
-/* chainlen is decremented once beforehand so that the function can */
-/* use the sign flag instead of the zero flag for the exit test. */
-/* It is then shifted into the high word, to make room for the scanend */
-/* scanend value, which it will always accompany. */
-
- decl %ebx
- shll $16, %ebx
-
-/* int best_len = s->prev_length; */
-
- movl dsPrevLen(%edx), %eax
- movl %eax, bestlen(%esp)
-
-/* Store the sum of s->window + best_len in %esi locally, and in %esi. */
-
- addl %eax, %esi
- movl %esi, windowbestlen(%esp)
-
-/* register ush scan_start = *(ushf*)scan; */
-/* register ush scan_end = *(ushf*)(scan+best_len-1); */
-
- movw (%edi), %bx
- movw %bx, scanstart(%esp)
- movw -1(%edi,%eax), %bx
- movl %ebx, chainlenscanend(%esp)
-
-/* Posf *prev = s->prev; */
-/* uInt wmask = s->w_mask; */
-
- movl dsPrev(%edx), %edi
- movl dsWMask(%edx), %edx
- mov %edx, wmask(%esp)
-
-/* Jump into the main loop. */
-
- jmp LoopEntry
-
-.balign 16
-
-/* do {
- * match = s->window + cur_match;
- * if (*(ushf*)(match+best_len-1) != scan_end ||
- * *(ushf*)match != scan_start) continue;
- * [...]
- * } while ((cur_match = prev[cur_match & wmask]) > limit
- * && --chain_length != 0);
- *
- * Here is the inner loop of the function. The function will spend the
- * majority of its time in this loop, and majority of that time will
- * be spent in the first ten instructions.
- *
- * Within this loop:
- * %ebx = chainlenscanend - i.e., ((chainlen << 16) | scanend)
- * %ecx = curmatch
- * %edx = curmatch & wmask
- * %esi = windowbestlen - i.e., (window + bestlen)
- * %edi = prev
- * %ebp = limit
- *
- * Two optimization notes on the choice of instructions:
- *
- * The first instruction uses a 16-bit address, which costs an extra,
- * unpairable cycle. This is cheaper than doing a 32-bit access and
- * zeroing the high word, due to the 3-cycle misalignment penalty which
- * would occur half the time. This also turns out to be cheaper than
- * doing two separate 8-bit accesses, as the memory is so rarely in the
- * L1 cache.
- *
- * The window buffer, however, apparently spends a lot of time in the
- * cache, and so it is faster to retrieve the word at the end of the
- * match string with two 8-bit loads. The instructions that test the
- * word at the beginning of the match string, however, are executed
- * much less frequently, and there it was cheaper to use 16-bit
- * instructions, which avoided the necessity of saving off and
- * subsequently reloading one of the other registers.
- */
-LookupLoop:
- /* 1 U & V */
- movw (%edi,%edx,2), %cx /* 2 U pipe */
- movl wmask(%esp), %edx /* 2 V pipe */
- cmpl %ebp, %ecx /* 3 U pipe */
- jbe LeaveNow /* 3 V pipe */
- subl $0x00010000, %ebx /* 4 U pipe */
- js LeaveNow /* 4 V pipe */
-LoopEntry: movb -1(%esi,%ecx), %al /* 5 U pipe */
- andl %ecx, %edx /* 5 V pipe */
- cmpb %bl, %al /* 6 U pipe */
- jnz LookupLoop /* 6 V pipe */
- movb (%esi,%ecx), %ah
- cmpb %bh, %ah
- jnz LookupLoop
- movl window(%esp), %eax
- movw (%eax,%ecx), %ax
- cmpw scanstart(%esp), %ax
- jnz LookupLoop
-
-/* Store the current value of chainlen. */
-
- movl %ebx, chainlenscanend(%esp)
-
-/* Point %edi to the string under scrutiny, and %esi to the string we */
-/* are hoping to match it up with. In actuality, %esi and %edi are */
-/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */
-/* initialized to -(MAX_MATCH_8 - scanalign). */
-
- movl window(%esp), %esi
- movl scan(%esp), %edi
- addl %ecx, %esi
- movl scanalign(%esp), %eax
- movl $(-MAX_MATCH_8), %edx
- lea MAX_MATCH_8(%edi,%eax), %edi
- lea MAX_MATCH_8(%esi,%eax), %esi
-
-/* Test the strings for equality, 8 bytes at a time. At the end,
- * adjust %edx so that it is offset to the exact byte that mismatched.
- *
- * We already know at this point that the first three bytes of the
- * strings match each other, and they can be safely passed over before
- * starting the compare loop. So what this code does is skip over 0-3
- * bytes, as much as necessary in order to dword-align the %edi
- * pointer. (%esi will still be misaligned three times out of four.)
- *
- * It should be confessed that this loop usually does not represent
- * much of the total running time. Replacing it with a more
- * straightforward "rep cmpsb" would not drastically degrade
- * performance.
- */
-LoopCmps:
- movl (%esi,%edx), %eax
- movl (%edi,%edx), %ebx
- xorl %ebx, %eax
- jnz LeaveLoopCmps
- movl 4(%esi,%edx), %eax
- movl 4(%edi,%edx), %ebx
- xorl %ebx, %eax
- jnz LeaveLoopCmps4
- addl $8, %edx
- jnz LoopCmps
- jmp LenMaximum
-LeaveLoopCmps4: addl $4, %edx
-LeaveLoopCmps: testl $0x0000FFFF, %eax
- jnz LenLower
- addl $2, %edx
- shrl $16, %eax
-LenLower: subb $1, %al
- adcl $0, %edx
-
-/* Calculate the length of the match. If it is longer than MAX_MATCH, */
-/* then automatically accept it as the best possible match and leave. */
-
- lea (%edi,%edx), %eax
- movl scan(%esp), %edi
- subl %edi, %eax
- cmpl $MAX_MATCH, %eax
- jge LenMaximum
-
-/* If the length of the match is not longer than the best match we */
-/* have so far, then forget it and return to the lookup loop. */
-
- movl deflatestate(%esp), %edx
- movl bestlen(%esp), %ebx
- cmpl %ebx, %eax
- jg LongerMatch
- movl chainlenscanend(%esp), %ebx
- movl windowbestlen(%esp), %esi
- movl dsPrev(%edx), %edi
- movl wmask(%esp), %edx
- andl %ecx, %edx
- jmp LookupLoop
-
-/* s->match_start = cur_match; */
-/* best_len = len; */
-/* if (len >= nice_match) break; */
-/* scan_end = *(ushf*)(scan+best_len-1); */
-
-LongerMatch: movl nicematch(%esp), %ebx
- movl %eax, bestlen(%esp)
- movl %ecx, dsMatchStart(%edx)
- cmpl %ebx, %eax
- jge LeaveNow
- movl window(%esp), %esi
- addl %eax, %esi
- movl %esi, windowbestlen(%esp)
- movl chainlenscanend(%esp), %ebx
- movw -1(%edi,%eax), %bx
- movl dsPrev(%edx), %edi
- movl %ebx, chainlenscanend(%esp)
- movl wmask(%esp), %edx
- andl %ecx, %edx
- jmp LookupLoop
-
-/* Accept the current string, with the maximum possible length. */
-
-LenMaximum: movl deflatestate(%esp), %edx
- movl $MAX_MATCH, bestlen(%esp)
- movl %ecx, dsMatchStart(%edx)
-
-/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */
-/* return s->lookahead; */
-
-LeaveNow:
- movl deflatestate(%esp), %edx
- movl bestlen(%esp), %ebx
- movl dsLookahead(%edx), %eax
- cmpl %eax, %ebx
- jg LookaheadRet
- movl %ebx, %eax
-LookaheadRet:
-
-/* Restore the stack and return from whence we came. */
-
- addl $LocalVarsSize, %esp
- popl %ebx
- popl %esi
- popl %edi
- popl %ebp
-match_init: ret
+++ /dev/null
-This is a patched version of zlib, modified to use
-Pentium-Pro-optimized assembly code in the deflation algorithm. The
-files changed/added by this patch are:
-
-README.686
-match.S
-
-The speedup that this patch provides varies, depending on whether the
-compiler used to build the original version of zlib falls afoul of the
-PPro's speed traps. My own tests show a speedup of around 10-20% at
-the default compression level, and 20-30% using -9, against a version
-compiled using gcc 2.7.2.3. Your mileage may vary.
-
-Note that this code has been tailored for the PPro/PII in particular,
-and will not perform particuarly well on a Pentium.
-
-If you are using an assembler other than GNU as, you will have to
-translate match.S to use your assembler's syntax. (Have fun.)
-
-Brian Raiter
-breadbox@muppetlabs.com
-April, 1998
-
-
-Added for zlib 1.1.3:
-
-The patches come from
-http://www.muppetlabs.com/~breadbox/software/assembly.html
-
-To compile zlib with this asm file, copy match.S to the zlib directory
-then do:
-
-CFLAGS="-O3 -DASMV" ./configure
-make OBJA=match.o
+++ /dev/null
-/* match.s -- Pentium-Pro-optimized version of longest_match()
- * Written for zlib 1.1.2
- * Copyright (C) 1998 Brian Raiter <breadbox@muppetlabs.com>
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License.
- */
-
-#ifndef NO_UNDERLINE
-#define match_init _match_init
-#define longest_match _longest_match
-#endif
-
-#define MAX_MATCH (258)
-#define MIN_MATCH (3)
-#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1)
-#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7)
-
-/* stack frame offsets */
-
-#define chainlenwmask 0 /* high word: current chain len */
- /* low word: s->wmask */
-#define window 4 /* local copy of s->window */
-#define windowbestlen 8 /* s->window + bestlen */
-#define scanstart 16 /* first two bytes of string */
-#define scanend 12 /* last two bytes of string */
-#define scanalign 20 /* dword-misalignment of string */
-#define nicematch 24 /* a good enough match size */
-#define bestlen 28 /* size of best match so far */
-#define scan 32 /* ptr to string wanting match */
-
-#define LocalVarsSize (36)
-/* saved ebx 36 */
-/* saved edi 40 */
-/* saved esi 44 */
-/* saved ebp 48 */
-/* return address 52 */
-#define deflatestate 56 /* the function arguments */
-#define curmatch 60
-
-/* All the +zlib1222add offsets are due to the addition of fields
- * in zlib in the deflate_state structure since the asm code was first written
- * (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)").
- * (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0").
- * if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8").
- */
-
-#define zlib1222add (8)
-
-#define dsWSize (36+zlib1222add)
-#define dsWMask (44+zlib1222add)
-#define dsWindow (48+zlib1222add)
-#define dsPrev (56+zlib1222add)
-#define dsMatchLen (88+zlib1222add)
-#define dsPrevMatch (92+zlib1222add)
-#define dsStrStart (100+zlib1222add)
-#define dsMatchStart (104+zlib1222add)
-#define dsLookahead (108+zlib1222add)
-#define dsPrevLen (112+zlib1222add)
-#define dsMaxChainLen (116+zlib1222add)
-#define dsGoodMatch (132+zlib1222add)
-#define dsNiceMatch (136+zlib1222add)
-
-
-.file "match.S"
-
-.globl match_init, longest_match
-
-.text
-
-/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */
-
-longest_match:
-
-/* Save registers that the compiler may be using, and adjust %esp to */
-/* make room for our stack frame. */
-
- pushl %ebp
- pushl %edi
- pushl %esi
- pushl %ebx
- subl $LocalVarsSize, %esp
-
-/* Retrieve the function arguments. %ecx will hold cur_match */
-/* throughout the entire function. %edx will hold the pointer to the */
-/* deflate_state structure during the function's setup (before */
-/* entering the main loop). */
-
- movl deflatestate(%esp), %edx
- movl curmatch(%esp), %ecx
-
-/* uInt wmask = s->w_mask; */
-/* unsigned chain_length = s->max_chain_length; */
-/* if (s->prev_length >= s->good_match) { */
-/* chain_length >>= 2; */
-/* } */
-
- movl dsPrevLen(%edx), %eax
- movl dsGoodMatch(%edx), %ebx
- cmpl %ebx, %eax
- movl dsWMask(%edx), %eax
- movl dsMaxChainLen(%edx), %ebx
- jl LastMatchGood
- shrl $2, %ebx
-LastMatchGood:
-
-/* chainlen is decremented once beforehand so that the function can */
-/* use the sign flag instead of the zero flag for the exit test. */
-/* It is then shifted into the high word, to make room for the wmask */
-/* value, which it will always accompany. */
-
- decl %ebx
- shll $16, %ebx
- orl %eax, %ebx
- movl %ebx, chainlenwmask(%esp)
-
-/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */
-
- movl dsNiceMatch(%edx), %eax
- movl dsLookahead(%edx), %ebx
- cmpl %eax, %ebx
- jl LookaheadLess
- movl %eax, %ebx
-LookaheadLess: movl %ebx, nicematch(%esp)
-
-/* register Bytef *scan = s->window + s->strstart; */
-
- movl dsWindow(%edx), %esi
- movl %esi, window(%esp)
- movl dsStrStart(%edx), %ebp
- lea (%esi,%ebp), %edi
- movl %edi, scan(%esp)
-
-/* Determine how many bytes the scan ptr is off from being */
-/* dword-aligned. */
-
- movl %edi, %eax
- negl %eax
- andl $3, %eax
- movl %eax, scanalign(%esp)
-
-/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */
-/* s->strstart - (IPos)MAX_DIST(s) : NIL; */
-
- movl dsWSize(%edx), %eax
- subl $MIN_LOOKAHEAD, %eax
- subl %eax, %ebp
- jg LimitPositive
- xorl %ebp, %ebp
-LimitPositive:
-
-/* int best_len = s->prev_length; */
-
- movl dsPrevLen(%edx), %eax
- movl %eax, bestlen(%esp)
-
-/* Store the sum of s->window + best_len in %esi locally, and in %esi. */
-
- addl %eax, %esi
- movl %esi, windowbestlen(%esp)
-
-/* register ush scan_start = *(ushf*)scan; */
-/* register ush scan_end = *(ushf*)(scan+best_len-1); */
-/* Posf *prev = s->prev; */
-
- movzwl (%edi), %ebx
- movl %ebx, scanstart(%esp)
- movzwl -1(%edi,%eax), %ebx
- movl %ebx, scanend(%esp)
- movl dsPrev(%edx), %edi
-
-/* Jump into the main loop. */
-
- movl chainlenwmask(%esp), %edx
- jmp LoopEntry
-
-.balign 16
-
-/* do {
- * match = s->window + cur_match;
- * if (*(ushf*)(match+best_len-1) != scan_end ||
- * *(ushf*)match != scan_start) continue;
- * [...]
- * } while ((cur_match = prev[cur_match & wmask]) > limit
- * && --chain_length != 0);
- *
- * Here is the inner loop of the function. The function will spend the
- * majority of its time in this loop, and majority of that time will
- * be spent in the first ten instructions.
- *
- * Within this loop:
- * %ebx = scanend
- * %ecx = curmatch
- * %edx = chainlenwmask - i.e., ((chainlen << 16) | wmask)
- * %esi = windowbestlen - i.e., (window + bestlen)
- * %edi = prev
- * %ebp = limit
- */
-LookupLoop:
- andl %edx, %ecx
- movzwl (%edi,%ecx,2), %ecx
- cmpl %ebp, %ecx
- jbe LeaveNow
- subl $0x00010000, %edx
- js LeaveNow
-LoopEntry: movzwl -1(%esi,%ecx), %eax
- cmpl %ebx, %eax
- jnz LookupLoop
- movl window(%esp), %eax
- movzwl (%eax,%ecx), %eax
- cmpl scanstart(%esp), %eax
- jnz LookupLoop
-
-/* Store the current value of chainlen. */
-
- movl %edx, chainlenwmask(%esp)
-
-/* Point %edi to the string under scrutiny, and %esi to the string we */
-/* are hoping to match it up with. In actuality, %esi and %edi are */
-/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */
-/* initialized to -(MAX_MATCH_8 - scanalign). */
-
- movl window(%esp), %esi
- movl scan(%esp), %edi
- addl %ecx, %esi
- movl scanalign(%esp), %eax
- movl $(-MAX_MATCH_8), %edx
- lea MAX_MATCH_8(%edi,%eax), %edi
- lea MAX_MATCH_8(%esi,%eax), %esi
-
-/* Test the strings for equality, 8 bytes at a time. At the end,
- * adjust %edx so that it is offset to the exact byte that mismatched.
- *
- * We already know at this point that the first three bytes of the
- * strings match each other, and they can be safely passed over before
- * starting the compare loop. So what this code does is skip over 0-3
- * bytes, as much as necessary in order to dword-align the %edi
- * pointer. (%esi will still be misaligned three times out of four.)
- *
- * It should be confessed that this loop usually does not represent
- * much of the total running time. Replacing it with a more
- * straightforward "rep cmpsb" would not drastically degrade
- * performance.
- */
-LoopCmps:
- movl (%esi,%edx), %eax
- xorl (%edi,%edx), %eax
- jnz LeaveLoopCmps
- movl 4(%esi,%edx), %eax
- xorl 4(%edi,%edx), %eax
- jnz LeaveLoopCmps4
- addl $8, %edx
- jnz LoopCmps
- jmp LenMaximum
-LeaveLoopCmps4: addl $4, %edx
-LeaveLoopCmps: testl $0x0000FFFF, %eax
- jnz LenLower
- addl $2, %edx
- shrl $16, %eax
-LenLower: subb $1, %al
- adcl $0, %edx
-
-/* Calculate the length of the match. If it is longer than MAX_MATCH, */
-/* then automatically accept it as the best possible match and leave. */
-
- lea (%edi,%edx), %eax
- movl scan(%esp), %edi
- subl %edi, %eax
- cmpl $MAX_MATCH, %eax
- jge LenMaximum
-
-/* If the length of the match is not longer than the best match we */
-/* have so far, then forget it and return to the lookup loop. */
-
- movl deflatestate(%esp), %edx
- movl bestlen(%esp), %ebx
- cmpl %ebx, %eax
- jg LongerMatch
- movl windowbestlen(%esp), %esi
- movl dsPrev(%edx), %edi
- movl scanend(%esp), %ebx
- movl chainlenwmask(%esp), %edx
- jmp LookupLoop
-
-/* s->match_start = cur_match; */
-/* best_len = len; */
-/* if (len >= nice_match) break; */
-/* scan_end = *(ushf*)(scan+best_len-1); */
-
-LongerMatch: movl nicematch(%esp), %ebx
- movl %eax, bestlen(%esp)
- movl %ecx, dsMatchStart(%edx)
- cmpl %ebx, %eax
- jge LeaveNow
- movl window(%esp), %esi
- addl %eax, %esi
- movl %esi, windowbestlen(%esp)
- movzwl -1(%edi,%eax), %ebx
- movl dsPrev(%edx), %edi
- movl %ebx, scanend(%esp)
- movl chainlenwmask(%esp), %edx
- jmp LookupLoop
-
-/* Accept the current string, with the maximum possible length. */
-
-LenMaximum: movl deflatestate(%esp), %edx
- movl $MAX_MATCH, bestlen(%esp)
- movl %ecx, dsMatchStart(%edx)
-
-/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */
-/* return s->lookahead; */
-
-LeaveNow:
- movl deflatestate(%esp), %edx
- movl bestlen(%esp), %ebx
- movl dsLookahead(%edx), %eax
- cmpl %eax, %ebx
- jg LookaheadRet
- movl %ebx, %eax
-LookaheadRet:
-
-/* Restore the stack and return from whence we came. */
-
- addl $LocalVarsSize, %esp
- popl %ebx
- popl %esi
- popl %edi
- popl %ebp
-match_init: ret
+++ /dev/null
-Read blast.h for purpose and usage.
-
-Mark Adler
-madler@alumni.caltech.edu
+++ /dev/null
-/* blast.c
- * Copyright (C) 2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in blast.h
- * version 1.1, 16 Feb 2003
- *
- * blast.c decompresses data compressed by the PKWare Compression Library.
- * This function provides functionality similar to the explode() function of
- * the PKWare library, hence the name "blast".
- *
- * This decompressor is based on the excellent format description provided by
- * Ben Rudiak-Gould in comp.compression on August 13, 2001. Interestingly, the
- * example Ben provided in the post is incorrect. The distance 110001 should
- * instead be 111000. When corrected, the example byte stream becomes:
- *
- * 00 04 82 24 25 8f 80 7f
- *
- * which decompresses to "AIAIAIAIAIAIA" (without the quotes).
- */
-
-/*
- * Change history:
- *
- * 1.0 12 Feb 2003 - First version
- * 1.1 16 Feb 2003 - Fixed distance check for > 4 GB uncompressed data
- */
-
-#include <setjmp.h> /* for setjmp(), longjmp(), and jmp_buf */
-#include "blast.h" /* prototype for blast() */
-
-#define local static /* for local function definitions */
-#define MAXBITS 13 /* maximum code length */
-#define MAXWIN 4096 /* maximum window size */
-
-/* input and output state */
-struct state {
- /* input state */
- blast_in infun; /* input function provided by user */
- void *inhow; /* opaque information passed to infun() */
- unsigned char *in; /* next input location */
- unsigned left; /* available input at in */
- int bitbuf; /* bit buffer */
- int bitcnt; /* number of bits in bit buffer */
-
- /* input limit error return state for bits() and decode() */
- jmp_buf env;
-
- /* output state */
- blast_out outfun; /* output function provided by user */
- void *outhow; /* opaque information passed to outfun() */
- unsigned next; /* index of next write location in out[] */
- int first; /* true to check distances (for first 4K) */
- unsigned char out[MAXWIN]; /* output buffer and sliding window */
-};
-
-/*
- * Return need bits from the input stream. This always leaves less than
- * eight bits in the buffer. bits() works properly for need == 0.
- *
- * Format notes:
- *
- * - Bits are stored in bytes from the least significant bit to the most
- * significant bit. Therefore bits are dropped from the bottom of the bit
- * buffer, using shift right, and new bytes are appended to the top of the
- * bit buffer, using shift left.
- */
-local int bits(struct state *s, int need)
-{
- int val; /* bit accumulator */
-
- /* load at least need bits into val */
- val = s->bitbuf;
- while (s->bitcnt < need) {
- if (s->left == 0) {
- s->left = s->infun(s->inhow, &(s->in));
- if (s->left == 0) longjmp(s->env, 1); /* out of input */
- }
- val |= (int)(*(s->in)++) << s->bitcnt; /* load eight bits */
- s->left--;
- s->bitcnt += 8;
- }
-
- /* drop need bits and update buffer, always zero to seven bits left */
- s->bitbuf = val >> need;
- s->bitcnt -= need;
-
- /* return need bits, zeroing the bits above that */
- return val & ((1 << need) - 1);
-}
-
-/*
- * Huffman code decoding tables. count[1..MAXBITS] is the number of symbols of
- * each length, which for a canonical code are stepped through in order.
- * symbol[] are the symbol values in canonical order, where the number of
- * entries is the sum of the counts in count[]. The decoding process can be
- * seen in the function decode() below.
- */
-struct huffman {
- short *count; /* number of symbols of each length */
- short *symbol; /* canonically ordered symbols */
-};
-
-/*
- * Decode a code from the stream s using huffman table h. Return the symbol or
- * a negative value if there is an error. If all of the lengths are zero, i.e.
- * an empty code, or if the code is incomplete and an invalid code is received,
- * then -9 is returned after reading MAXBITS bits.
- *
- * Format notes:
- *
- * - The codes as stored in the compressed data are bit-reversed relative to
- * a simple integer ordering of codes of the same lengths. Hence below the
- * bits are pulled from the compressed data one at a time and used to
- * build the code value reversed from what is in the stream in order to
- * permit simple integer comparisons for decoding.
- *
- * - The first code for the shortest length is all ones. Subsequent codes of
- * the same length are simply integer decrements of the previous code. When
- * moving up a length, a one bit is appended to the code. For a complete
- * code, the last code of the longest length will be all zeros. To support
- * this ordering, the bits pulled during decoding are inverted to apply the
- * more "natural" ordering starting with all zeros and incrementing.
- */
-local int decode(struct state *s, struct huffman *h)
-{
- int len; /* current number of bits in code */
- int code; /* len bits being decoded */
- int first; /* first code of length len */
- int count; /* number of codes of length len */
- int index; /* index of first code of length len in symbol table */
- int bitbuf; /* bits from stream */
- int left; /* bits left in next or left to process */
- short *next; /* next number of codes */
-
- bitbuf = s->bitbuf;
- left = s->bitcnt;
- code = first = index = 0;
- len = 1;
- next = h->count + 1;
- while (1) {
- while (left--) {
- code |= (bitbuf & 1) ^ 1; /* invert code */
- bitbuf >>= 1;
- count = *next++;
- if (code < first + count) { /* if length len, return symbol */
- s->bitbuf = bitbuf;
- s->bitcnt = (s->bitcnt - len) & 7;
- return h->symbol[index + (code - first)];
- }
- index += count; /* else update for next length */
- first += count;
- first <<= 1;
- code <<= 1;
- len++;
- }
- left = (MAXBITS+1) - len;
- if (left == 0) break;
- if (s->left == 0) {
- s->left = s->infun(s->inhow, &(s->in));
- if (s->left == 0) longjmp(s->env, 1); /* out of input */
- }
- bitbuf = *(s->in)++;
- s->left--;
- if (left > 8) left = 8;
- }
- return -9; /* ran out of codes */
-}
-
-/*
- * Given a list of repeated code lengths rep[0..n-1], where each byte is a
- * count (high four bits + 1) and a code length (low four bits), generate the
- * list of code lengths. This compaction reduces the size of the object code.
- * Then given the list of code lengths length[0..n-1] representing a canonical
- * Huffman code for n symbols, construct the tables required to decode those
- * codes. Those tables are the number of codes of each length, and the symbols
- * sorted by length, retaining their original order within each length. The
- * return value is zero for a complete code set, negative for an over-
- * subscribed code set, and positive for an incomplete code set. The tables
- * can be used if the return value is zero or positive, but they cannot be used
- * if the return value is negative. If the return value is zero, it is not
- * possible for decode() using that table to return an error--any stream of
- * enough bits will resolve to a symbol. If the return value is positive, then
- * it is possible for decode() using that table to return an error for received
- * codes past the end of the incomplete lengths.
- */
-local int construct(struct huffman *h, const unsigned char *rep, int n)
-{
- int symbol; /* current symbol when stepping through length[] */
- int len; /* current length when stepping through h->count[] */
- int left; /* number of possible codes left of current length */
- short offs[MAXBITS+1]; /* offsets in symbol table for each length */
- short length[256]; /* code lengths */
-
- /* convert compact repeat counts into symbol bit length list */
- symbol = 0;
- do {
- len = *rep++;
- left = (len >> 4) + 1;
- len &= 15;
- do {
- length[symbol++] = len;
- } while (--left);
- } while (--n);
- n = symbol;
-
- /* count number of codes of each length */
- for (len = 0; len <= MAXBITS; len++)
- h->count[len] = 0;
- for (symbol = 0; symbol < n; symbol++)
- (h->count[length[symbol]])++; /* assumes lengths are within bounds */
- if (h->count[0] == n) /* no codes! */
- return 0; /* complete, but decode() will fail */
-
- /* check for an over-subscribed or incomplete set of lengths */
- left = 1; /* one possible code of zero length */
- for (len = 1; len <= MAXBITS; len++) {
- left <<= 1; /* one more bit, double codes left */
- left -= h->count[len]; /* deduct count from possible codes */
- if (left < 0) return left; /* over-subscribed--return negative */
- } /* left > 0 means incomplete */
-
- /* generate offsets into symbol table for each length for sorting */
- offs[1] = 0;
- for (len = 1; len < MAXBITS; len++)
- offs[len + 1] = offs[len] + h->count[len];
-
- /*
- * put symbols in table sorted by length, by symbol order within each
- * length
- */
- for (symbol = 0; symbol < n; symbol++)
- if (length[symbol] != 0)
- h->symbol[offs[length[symbol]]++] = symbol;
-
- /* return zero for complete set, positive for incomplete set */
- return left;
-}
-
-/*
- * Decode PKWare Compression Library stream.
- *
- * Format notes:
- *
- * - First byte is 0 if literals are uncoded or 1 if they are coded. Second
- * byte is 4, 5, or 6 for the number of extra bits in the distance code.
- * This is the base-2 logarithm of the dictionary size minus six.
- *
- * - Compressed data is a combination of literals and length/distance pairs
- * terminated by an end code. Literals are either Huffman coded or
- * uncoded bytes. A length/distance pair is a coded length followed by a
- * coded distance to represent a string that occurs earlier in the
- * uncompressed data that occurs again at the current location.
- *
- * - A bit preceding a literal or length/distance pair indicates which comes
- * next, 0 for literals, 1 for length/distance.
- *
- * - If literals are uncoded, then the next eight bits are the literal, in the
- * normal bit order in th stream, i.e. no bit-reversal is needed. Similarly,
- * no bit reversal is needed for either the length extra bits or the distance
- * extra bits.
- *
- * - Literal bytes are simply written to the output. A length/distance pair is
- * an instruction to copy previously uncompressed bytes to the output. The
- * copy is from distance bytes back in the output stream, copying for length
- * bytes.
- *
- * - Distances pointing before the beginning of the output data are not
- * permitted.
- *
- * - Overlapped copies, where the length is greater than the distance, are
- * allowed and common. For example, a distance of one and a length of 518
- * simply copies the last byte 518 times. A distance of four and a length of
- * twelve copies the last four bytes three times. A simple forward copy
- * ignoring whether the length is greater than the distance or not implements
- * this correctly.
- */
-local int decomp(struct state *s)
-{
- int lit; /* true if literals are coded */
- int dict; /* log2(dictionary size) - 6 */
- int symbol; /* decoded symbol, extra bits for distance */
- int len; /* length for copy */
- int dist; /* distance for copy */
- int copy; /* copy counter */
- unsigned char *from, *to; /* copy pointers */
- static int virgin = 1; /* build tables once */
- static short litcnt[MAXBITS+1], litsym[256]; /* litcode memory */
- static short lencnt[MAXBITS+1], lensym[16]; /* lencode memory */
- static short distcnt[MAXBITS+1], distsym[64]; /* distcode memory */
- static struct huffman litcode = {litcnt, litsym}; /* length code */
- static struct huffman lencode = {lencnt, lensym}; /* length code */
- static struct huffman distcode = {distcnt, distsym};/* distance code */
- /* bit lengths of literal codes */
- static const unsigned char litlen[] = {
- 11, 124, 8, 7, 28, 7, 188, 13, 76, 4, 10, 8, 12, 10, 12, 10, 8, 23, 8,
- 9, 7, 6, 7, 8, 7, 6, 55, 8, 23, 24, 12, 11, 7, 9, 11, 12, 6, 7, 22, 5,
- 7, 24, 6, 11, 9, 6, 7, 22, 7, 11, 38, 7, 9, 8, 25, 11, 8, 11, 9, 12,
- 8, 12, 5, 38, 5, 38, 5, 11, 7, 5, 6, 21, 6, 10, 53, 8, 7, 24, 10, 27,
- 44, 253, 253, 253, 252, 252, 252, 13, 12, 45, 12, 45, 12, 61, 12, 45,
- 44, 173};
- /* bit lengths of length codes 0..15 */
- static const unsigned char lenlen[] = {2, 35, 36, 53, 38, 23};
- /* bit lengths of distance codes 0..63 */
- static const unsigned char distlen[] = {2, 20, 53, 230, 247, 151, 248};
- static const short base[16] = { /* base for length codes */
- 3, 2, 4, 5, 6, 7, 8, 9, 10, 12, 16, 24, 40, 72, 136, 264};
- static const char extra[16] = { /* extra bits for length codes */
- 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8};
-
- /* set up decoding tables (once--might not be thread-safe) */
- if (virgin) {
- construct(&litcode, litlen, sizeof(litlen));
- construct(&lencode, lenlen, sizeof(lenlen));
- construct(&distcode, distlen, sizeof(distlen));
- virgin = 0;
- }
-
- /* read header */
- lit = bits(s, 8);
- if (lit > 1) return -1;
- dict = bits(s, 8);
- if (dict < 4 || dict > 6) return -2;
-
- /* decode literals and length/distance pairs */
- do {
- if (bits(s, 1)) {
- /* get length */
- symbol = decode(s, &lencode);
- len = base[symbol] + bits(s, extra[symbol]);
- if (len == 519) break; /* end code */
-
- /* get distance */
- symbol = len == 2 ? 2 : dict;
- dist = decode(s, &distcode) << symbol;
- dist += bits(s, symbol);
- dist++;
- if (s->first && dist > s->next)
- return -3; /* distance too far back */
-
- /* copy length bytes from distance bytes back */
- do {
- to = s->out + s->next;
- from = to - dist;
- copy = MAXWIN;
- if (s->next < dist) {
- from += copy;
- copy = dist;
- }
- copy -= s->next;
- if (copy > len) copy = len;
- len -= copy;
- s->next += copy;
- do {
- *to++ = *from++;
- } while (--copy);
- if (s->next == MAXWIN) {
- if (s->outfun(s->outhow, s->out, s->next)) return 1;
- s->next = 0;
- s->first = 0;
- }
- } while (len != 0);
- }
- else {
- /* get literal and write it */
- symbol = lit ? decode(s, &litcode) : bits(s, 8);
- s->out[s->next++] = symbol;
- if (s->next == MAXWIN) {
- if (s->outfun(s->outhow, s->out, s->next)) return 1;
- s->next = 0;
- s->first = 0;
- }
- }
- } while (1);
- return 0;
-}
-
-/* See comments in blast.h */
-int blast(blast_in infun, void *inhow, blast_out outfun, void *outhow)
-{
- struct state s; /* input/output state */
- int err; /* return value */
-
- /* initialize input state */
- s.infun = infun;
- s.inhow = inhow;
- s.left = 0;
- s.bitbuf = 0;
- s.bitcnt = 0;
-
- /* initialize output state */
- s.outfun = outfun;
- s.outhow = outhow;
- s.next = 0;
- s.first = 1;
-
- /* return if bits() or decode() tries to read past available input */
- if (setjmp(s.env) != 0) /* if came back here via longjmp(), */
- err = 2; /* then skip decomp(), return error */
- else
- err = decomp(&s); /* decompress */
-
- /* write any leftover output and update the error code if needed */
- if (err != 1 && s.next && s.outfun(s.outhow, s.out, s.next) && err == 0)
- err = 1;
- return err;
-}
-
-#ifdef TEST
-/* Example of how to use blast() */
-#include <stdio.h>
-#include <stdlib.h>
-
-#define CHUNK 16384
-
-local unsigned inf(void *how, unsigned char **buf)
-{
- static unsigned char hold[CHUNK];
-
- *buf = hold;
- return fread(hold, 1, CHUNK, (FILE *)how);
-}
-
-local int outf(void *how, unsigned char *buf, unsigned len)
-{
- return fwrite(buf, 1, len, (FILE *)how) != len;
-}
-
-/* Decompress a PKWare Compression Library stream from stdin to stdout */
-int main(void)
-{
- int ret, n;
-
- /* decompress to stdout */
- ret = blast(inf, stdin, outf, stdout);
- if (ret != 0) fprintf(stderr, "blast error: %d\n", ret);
-
- /* see if there are any leftover bytes */
- n = 0;
- while (getchar() != EOF) n++;
- if (n) fprintf(stderr, "blast warning: %d unused bytes of input\n", n);
-
- /* return blast() error code */
- return ret;
-}
-#endif
+++ /dev/null
-/* blast.h -- interface for blast.c
- Copyright (C) 2003 Mark Adler
- version 1.1, 16 Feb 2003
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the author be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
- Mark Adler madler@alumni.caltech.edu
- */
-
-
-/*
- * blast() decompresses the PKWare Data Compression Library (DCL) compressed
- * format. It provides the same functionality as the explode() function in
- * that library. (Note: PKWare overused the "implode" verb, and the format
- * used by their library implode() function is completely different and
- * incompatible with the implode compression method supported by PKZIP.)
- */
-
-
-typedef unsigned (*blast_in)(void *how, unsigned char **buf);
-typedef int (*blast_out)(void *how, unsigned char *buf, unsigned len);
-/* Definitions for input/output functions passed to blast(). See below for
- * what the provided functions need to do.
- */
-
-
-int blast(blast_in infun, void *inhow, blast_out outfun, void *outhow);
-/* Decompress input to output using the provided infun() and outfun() calls.
- * On success, the return value of blast() is zero. If there is an error in
- * the source data, i.e. it is not in the proper format, then a negative value
- * is returned. If there is not enough input available or there is not enough
- * output space, then a positive error is returned.
- *
- * The input function is invoked: len = infun(how, &buf), where buf is set by
- * infun() to point to the input buffer, and infun() returns the number of
- * available bytes there. If infun() returns zero, then blast() returns with
- * an input error. (blast() only asks for input if it needs it.) inhow is for
- * use by the application to pass an input descriptor to infun(), if desired.
- *
- * The output function is invoked: err = outfun(how, buf, len), where the bytes
- * to be written are buf[0..len-1]. If err is not zero, then blast() returns
- * with an output error. outfun() is always called with len <= 4096. outhow
- * is for use by the application to pass an output descriptor to outfun(), if
- * desired.
- *
- * The return codes are:
- *
- * 2: ran out of input before completing decompression
- * 1: output error before completing decompression
- * 0: successful decompression
- * -1: literal flag not zero or one
- * -2: dictionary size not in 4..6
- * -3: distance is too far back
- *
- * At the bottom of blast.c is an example program that uses blast() that can be
- * compiled to produce a command-line decompression filter by defining TEST.
- */
+++ /dev/null
-AIAIAIAIAIAIA
\ No newline at end of file
+++ /dev/null
-{*******************************************************}
-{ }
-{ Borland Delphi Supplemental Components }
-{ ZLIB Data Compression Interface Unit }
-{ }
-{ Copyright (c) 1997,99 Borland Corporation }
-{ }
-{*******************************************************}
-
-{ Updated for zlib 1.2.x by Cosmin Truta <cosmint@cs.ubbcluj.ro> }
-
-unit ZLib;
-
-interface
-
-uses SysUtils, Classes;
-
-type
- TAlloc = function (AppData: Pointer; Items, Size: Integer): Pointer; cdecl;
- TFree = procedure (AppData, Block: Pointer); cdecl;
-
- // Internal structure. Ignore.
- TZStreamRec = packed record
- next_in: PChar; // next input byte
- avail_in: Integer; // number of bytes available at next_in
- total_in: Longint; // total nb of input bytes read so far
-
- next_out: PChar; // next output byte should be put here
- avail_out: Integer; // remaining free space at next_out
- total_out: Longint; // total nb of bytes output so far
-
- msg: PChar; // last error message, NULL if no error
- internal: Pointer; // not visible by applications
-
- zalloc: TAlloc; // used to allocate the internal state
- zfree: TFree; // used to free the internal state
- AppData: Pointer; // private data object passed to zalloc and zfree
-
- data_type: Integer; // best guess about the data type: ascii or binary
- adler: Longint; // adler32 value of the uncompressed data
- reserved: Longint; // reserved for future use
- end;
-
- // Abstract ancestor class
- TCustomZlibStream = class(TStream)
- private
- FStrm: TStream;
- FStrmPos: Integer;
- FOnProgress: TNotifyEvent;
- FZRec: TZStreamRec;
- FBuffer: array [Word] of Char;
- protected
- procedure Progress(Sender: TObject); dynamic;
- property OnProgress: TNotifyEvent read FOnProgress write FOnProgress;
- constructor Create(Strm: TStream);
- end;
-
-{ TCompressionStream compresses data on the fly as data is written to it, and
- stores the compressed data to another stream.
-
- TCompressionStream is write-only and strictly sequential. Reading from the
- stream will raise an exception. Using Seek to move the stream pointer
- will raise an exception.
-
- Output data is cached internally, written to the output stream only when
- the internal output buffer is full. All pending output data is flushed
- when the stream is destroyed.
-
- The Position property returns the number of uncompressed bytes of
- data that have been written to the stream so far.
-
- CompressionRate returns the on-the-fly percentage by which the original
- data has been compressed: (1 - (CompressedBytes / UncompressedBytes)) * 100
- If raw data size = 100 and compressed data size = 25, the CompressionRate
- is 75%
-
- The OnProgress event is called each time the output buffer is filled and
- written to the output stream. This is useful for updating a progress
- indicator when you are writing a large chunk of data to the compression
- stream in a single call.}
-
-
- TCompressionLevel = (clNone, clFastest, clDefault, clMax);
-
- TCompressionStream = class(TCustomZlibStream)
- private
- function GetCompressionRate: Single;
- public
- constructor Create(CompressionLevel: TCompressionLevel; Dest: TStream);
- destructor Destroy; override;
- function Read(var Buffer; Count: Longint): Longint; override;
- function Write(const Buffer; Count: Longint): Longint; override;
- function Seek(Offset: Longint; Origin: Word): Longint; override;
- property CompressionRate: Single read GetCompressionRate;
- property OnProgress;
- end;
-
-{ TDecompressionStream decompresses data on the fly as data is read from it.
-
- Compressed data comes from a separate source stream. TDecompressionStream
- is read-only and unidirectional; you can seek forward in the stream, but not
- backwards. The special case of setting the stream position to zero is
- allowed. Seeking forward decompresses data until the requested position in
- the uncompressed data has been reached. Seeking backwards, seeking relative
- to the end of the stream, requesting the size of the stream, and writing to
- the stream will raise an exception.
-
- The Position property returns the number of bytes of uncompressed data that
- have been read from the stream so far.
-
- The OnProgress event is called each time the internal input buffer of
- compressed data is exhausted and the next block is read from the input stream.
- This is useful for updating a progress indicator when you are reading a
- large chunk of data from the decompression stream in a single call.}
-
- TDecompressionStream = class(TCustomZlibStream)
- public
- constructor Create(Source: TStream);
- destructor Destroy; override;
- function Read(var Buffer; Count: Longint): Longint; override;
- function Write(const Buffer; Count: Longint): Longint; override;
- function Seek(Offset: Longint; Origin: Word): Longint; override;
- property OnProgress;
- end;
-
-
-
-{ CompressBuf compresses data, buffer to buffer, in one call.
- In: InBuf = ptr to compressed data
- InBytes = number of bytes in InBuf
- Out: OutBuf = ptr to newly allocated buffer containing decompressed data
- OutBytes = number of bytes in OutBuf }
-procedure CompressBuf(const InBuf: Pointer; InBytes: Integer;
- out OutBuf: Pointer; out OutBytes: Integer);
-
-
-{ DecompressBuf decompresses data, buffer to buffer, in one call.
- In: InBuf = ptr to compressed data
- InBytes = number of bytes in InBuf
- OutEstimate = zero, or est. size of the decompressed data
- Out: OutBuf = ptr to newly allocated buffer containing decompressed data
- OutBytes = number of bytes in OutBuf }
-procedure DecompressBuf(const InBuf: Pointer; InBytes: Integer;
- OutEstimate: Integer; out OutBuf: Pointer; out OutBytes: Integer);
-
-{ DecompressToUserBuf decompresses data, buffer to buffer, in one call.
- In: InBuf = ptr to compressed data
- InBytes = number of bytes in InBuf
- Out: OutBuf = ptr to user-allocated buffer to contain decompressed data
- BufSize = number of bytes in OutBuf }
-procedure DecompressToUserBuf(const InBuf: Pointer; InBytes: Integer;
- const OutBuf: Pointer; BufSize: Integer);
-
-const
- zlib_version = '1.2.3';
-
-type
- EZlibError = class(Exception);
- ECompressionError = class(EZlibError);
- EDecompressionError = class(EZlibError);
-
-implementation
-
-uses ZLibConst;
-
-const
- Z_NO_FLUSH = 0;
- Z_PARTIAL_FLUSH = 1;
- Z_SYNC_FLUSH = 2;
- Z_FULL_FLUSH = 3;
- Z_FINISH = 4;
-
- Z_OK = 0;
- Z_STREAM_END = 1;
- Z_NEED_DICT = 2;
- Z_ERRNO = (-1);
- Z_STREAM_ERROR = (-2);
- Z_DATA_ERROR = (-3);
- Z_MEM_ERROR = (-4);
- Z_BUF_ERROR = (-5);
- Z_VERSION_ERROR = (-6);
-
- Z_NO_COMPRESSION = 0;
- Z_BEST_SPEED = 1;
- Z_BEST_COMPRESSION = 9;
- Z_DEFAULT_COMPRESSION = (-1);
-
- Z_FILTERED = 1;
- Z_HUFFMAN_ONLY = 2;
- Z_RLE = 3;
- Z_DEFAULT_STRATEGY = 0;
-
- Z_BINARY = 0;
- Z_ASCII = 1;
- Z_UNKNOWN = 2;
-
- Z_DEFLATED = 8;
-
-
-{$L adler32.obj}
-{$L compress.obj}
-{$L crc32.obj}
-{$L deflate.obj}
-{$L infback.obj}
-{$L inffast.obj}
-{$L inflate.obj}
-{$L inftrees.obj}
-{$L trees.obj}
-{$L uncompr.obj}
-{$L zutil.obj}
-
-procedure adler32; external;
-procedure compressBound; external;
-procedure crc32; external;
-procedure deflateInit2_; external;
-procedure deflateParams; external;
-
-function _malloc(Size: Integer): Pointer; cdecl;
-begin
- Result := AllocMem(Size);
-end;
-
-procedure _free(Block: Pointer); cdecl;
-begin
- FreeMem(Block);
-end;
-
-procedure _memset(P: Pointer; B: Byte; count: Integer); cdecl;
-begin
- FillChar(P^, count, B);
-end;
-
-procedure _memcpy(dest, source: Pointer; count: Integer); cdecl;
-begin
- Move(source^, dest^, count);
-end;
-
-
-
-// deflate compresses data
-function deflateInit_(var strm: TZStreamRec; level: Integer; version: PChar;
- recsize: Integer): Integer; external;
-function deflate(var strm: TZStreamRec; flush: Integer): Integer; external;
-function deflateEnd(var strm: TZStreamRec): Integer; external;
-
-// inflate decompresses data
-function inflateInit_(var strm: TZStreamRec; version: PChar;
- recsize: Integer): Integer; external;
-function inflate(var strm: TZStreamRec; flush: Integer): Integer; external;
-function inflateEnd(var strm: TZStreamRec): Integer; external;
-function inflateReset(var strm: TZStreamRec): Integer; external;
-
-
-function zlibAllocMem(AppData: Pointer; Items, Size: Integer): Pointer; cdecl;
-begin
-// GetMem(Result, Items*Size);
- Result := AllocMem(Items * Size);
-end;
-
-procedure zlibFreeMem(AppData, Block: Pointer); cdecl;
-begin
- FreeMem(Block);
-end;
-
-{function zlibCheck(code: Integer): Integer;
-begin
- Result := code;
- if code < 0 then
- raise EZlibError.Create('error'); //!!
-end;}
-
-function CCheck(code: Integer): Integer;
-begin
- Result := code;
- if code < 0 then
- raise ECompressionError.Create('error'); //!!
-end;
-
-function DCheck(code: Integer): Integer;
-begin
- Result := code;
- if code < 0 then
- raise EDecompressionError.Create('error'); //!!
-end;
-
-procedure CompressBuf(const InBuf: Pointer; InBytes: Integer;
- out OutBuf: Pointer; out OutBytes: Integer);
-var
- strm: TZStreamRec;
- P: Pointer;
-begin
- FillChar(strm, sizeof(strm), 0);
- strm.zalloc := zlibAllocMem;
- strm.zfree := zlibFreeMem;
- OutBytes := ((InBytes + (InBytes div 10) + 12) + 255) and not 255;
- GetMem(OutBuf, OutBytes);
- try
- strm.next_in := InBuf;
- strm.avail_in := InBytes;
- strm.next_out := OutBuf;
- strm.avail_out := OutBytes;
- CCheck(deflateInit_(strm, Z_BEST_COMPRESSION, zlib_version, sizeof(strm)));
- try
- while CCheck(deflate(strm, Z_FINISH)) <> Z_STREAM_END do
- begin
- P := OutBuf;
- Inc(OutBytes, 256);
- ReallocMem(OutBuf, OutBytes);
- strm.next_out := PChar(Integer(OutBuf) + (Integer(strm.next_out) - Integer(P)));
- strm.avail_out := 256;
- end;
- finally
- CCheck(deflateEnd(strm));
- end;
- ReallocMem(OutBuf, strm.total_out);
- OutBytes := strm.total_out;
- except
- FreeMem(OutBuf);
- raise
- end;
-end;
-
-
-procedure DecompressBuf(const InBuf: Pointer; InBytes: Integer;
- OutEstimate: Integer; out OutBuf: Pointer; out OutBytes: Integer);
-var
- strm: TZStreamRec;
- P: Pointer;
- BufInc: Integer;
-begin
- FillChar(strm, sizeof(strm), 0);
- strm.zalloc := zlibAllocMem;
- strm.zfree := zlibFreeMem;
- BufInc := (InBytes + 255) and not 255;
- if OutEstimate = 0 then
- OutBytes := BufInc
- else
- OutBytes := OutEstimate;
- GetMem(OutBuf, OutBytes);
- try
- strm.next_in := InBuf;
- strm.avail_in := InBytes;
- strm.next_out := OutBuf;
- strm.avail_out := OutBytes;
- DCheck(inflateInit_(strm, zlib_version, sizeof(strm)));
- try
- while DCheck(inflate(strm, Z_NO_FLUSH)) <> Z_STREAM_END do
- begin
- P := OutBuf;
- Inc(OutBytes, BufInc);
- ReallocMem(OutBuf, OutBytes);
- strm.next_out := PChar(Integer(OutBuf) + (Integer(strm.next_out) - Integer(P)));
- strm.avail_out := BufInc;
- end;
- finally
- DCheck(inflateEnd(strm));
- end;
- ReallocMem(OutBuf, strm.total_out);
- OutBytes := strm.total_out;
- except
- FreeMem(OutBuf);
- raise
- end;
-end;
-
-procedure DecompressToUserBuf(const InBuf: Pointer; InBytes: Integer;
- const OutBuf: Pointer; BufSize: Integer);
-var
- strm: TZStreamRec;
-begin
- FillChar(strm, sizeof(strm), 0);
- strm.zalloc := zlibAllocMem;
- strm.zfree := zlibFreeMem;
- strm.next_in := InBuf;
- strm.avail_in := InBytes;
- strm.next_out := OutBuf;
- strm.avail_out := BufSize;
- DCheck(inflateInit_(strm, zlib_version, sizeof(strm)));
- try
- if DCheck(inflate(strm, Z_FINISH)) <> Z_STREAM_END then
- raise EZlibError.CreateRes(@sTargetBufferTooSmall);
- finally
- DCheck(inflateEnd(strm));
- end;
-end;
-
-// TCustomZlibStream
-
-constructor TCustomZLibStream.Create(Strm: TStream);
-begin
- inherited Create;
- FStrm := Strm;
- FStrmPos := Strm.Position;
- FZRec.zalloc := zlibAllocMem;
- FZRec.zfree := zlibFreeMem;
-end;
-
-procedure TCustomZLibStream.Progress(Sender: TObject);
-begin
- if Assigned(FOnProgress) then FOnProgress(Sender);
-end;
-
-
-// TCompressionStream
-
-constructor TCompressionStream.Create(CompressionLevel: TCompressionLevel;
- Dest: TStream);
-const
- Levels: array [TCompressionLevel] of ShortInt =
- (Z_NO_COMPRESSION, Z_BEST_SPEED, Z_DEFAULT_COMPRESSION, Z_BEST_COMPRESSION);
-begin
- inherited Create(Dest);
- FZRec.next_out := FBuffer;
- FZRec.avail_out := sizeof(FBuffer);
- CCheck(deflateInit_(FZRec, Levels[CompressionLevel], zlib_version, sizeof(FZRec)));
-end;
-
-destructor TCompressionStream.Destroy;
-begin
- FZRec.next_in := nil;
- FZRec.avail_in := 0;
- try
- if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos;
- while (CCheck(deflate(FZRec, Z_FINISH)) <> Z_STREAM_END)
- and (FZRec.avail_out = 0) do
- begin
- FStrm.WriteBuffer(FBuffer, sizeof(FBuffer));
- FZRec.next_out := FBuffer;
- FZRec.avail_out := sizeof(FBuffer);
- end;
- if FZRec.avail_out < sizeof(FBuffer) then
- FStrm.WriteBuffer(FBuffer, sizeof(FBuffer) - FZRec.avail_out);
- finally
- deflateEnd(FZRec);
- end;
- inherited Destroy;
-end;
-
-function TCompressionStream.Read(var Buffer; Count: Longint): Longint;
-begin
- raise ECompressionError.CreateRes(@sInvalidStreamOp);
-end;
-
-function TCompressionStream.Write(const Buffer; Count: Longint): Longint;
-begin
- FZRec.next_in := @Buffer;
- FZRec.avail_in := Count;
- if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos;
- while (FZRec.avail_in > 0) do
- begin
- CCheck(deflate(FZRec, 0));
- if FZRec.avail_out = 0 then
- begin
- FStrm.WriteBuffer(FBuffer, sizeof(FBuffer));
- FZRec.next_out := FBuffer;
- FZRec.avail_out := sizeof(FBuffer);
- FStrmPos := FStrm.Position;
- Progress(Self);
- end;
- end;
- Result := Count;
-end;
-
-function TCompressionStream.Seek(Offset: Longint; Origin: Word): Longint;
-begin
- if (Offset = 0) and (Origin = soFromCurrent) then
- Result := FZRec.total_in
- else
- raise ECompressionError.CreateRes(@sInvalidStreamOp);
-end;
-
-function TCompressionStream.GetCompressionRate: Single;
-begin
- if FZRec.total_in = 0 then
- Result := 0
- else
- Result := (1.0 - (FZRec.total_out / FZRec.total_in)) * 100.0;
-end;
-
-
-// TDecompressionStream
-
-constructor TDecompressionStream.Create(Source: TStream);
-begin
- inherited Create(Source);
- FZRec.next_in := FBuffer;
- FZRec.avail_in := 0;
- DCheck(inflateInit_(FZRec, zlib_version, sizeof(FZRec)));
-end;
-
-destructor TDecompressionStream.Destroy;
-begin
- FStrm.Seek(-FZRec.avail_in, 1);
- inflateEnd(FZRec);
- inherited Destroy;
-end;
-
-function TDecompressionStream.Read(var Buffer; Count: Longint): Longint;
-begin
- FZRec.next_out := @Buffer;
- FZRec.avail_out := Count;
- if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos;
- while (FZRec.avail_out > 0) do
- begin
- if FZRec.avail_in = 0 then
- begin
- FZRec.avail_in := FStrm.Read(FBuffer, sizeof(FBuffer));
- if FZRec.avail_in = 0 then
- begin
- Result := Count - FZRec.avail_out;
- Exit;
- end;
- FZRec.next_in := FBuffer;
- FStrmPos := FStrm.Position;
- Progress(Self);
- end;
- CCheck(inflate(FZRec, 0));
- end;
- Result := Count;
-end;
-
-function TDecompressionStream.Write(const Buffer; Count: Longint): Longint;
-begin
- raise EDecompressionError.CreateRes(@sInvalidStreamOp);
-end;
-
-function TDecompressionStream.Seek(Offset: Longint; Origin: Word): Longint;
-var
- I: Integer;
- Buf: array [0..4095] of Char;
-begin
- if (Offset = 0) and (Origin = soFromBeginning) then
- begin
- DCheck(inflateReset(FZRec));
- FZRec.next_in := FBuffer;
- FZRec.avail_in := 0;
- FStrm.Position := 0;
- FStrmPos := 0;
- end
- else if ( (Offset >= 0) and (Origin = soFromCurrent)) or
- ( ((Offset - FZRec.total_out) > 0) and (Origin = soFromBeginning)) then
- begin
- if Origin = soFromBeginning then Dec(Offset, FZRec.total_out);
- if Offset > 0 then
- begin
- for I := 1 to Offset div sizeof(Buf) do
- ReadBuffer(Buf, sizeof(Buf));
- ReadBuffer(Buf, Offset mod sizeof(Buf));
- end;
- end
- else
- raise EDecompressionError.CreateRes(@sInvalidStreamOp);
- Result := FZRec.total_out;
-end;
-
-
-end.
+++ /dev/null
-unit ZLibConst;
-
-interface
-
-resourcestring
- sTargetBufferTooSmall = 'ZLib error: target buffer may be too small';
- sInvalidStreamOp = 'Invalid stream operation';
-
-implementation
-
-end.
+++ /dev/null
-
-Overview
-========
-
-This directory contains an update to the ZLib interface unit,
-distributed by Borland as a Delphi supplemental component.
-
-The original ZLib unit is Copyright (c) 1997,99 Borland Corp.,
-and is based on zlib version 1.0.4. There are a series of bugs
-and security problems associated with that old zlib version, and
-we recommend the users to update their ZLib unit.
-
-
-Summary of modifications
-========================
-
-- Improved makefile, adapted to zlib version 1.2.1.
-
-- Some field types from TZStreamRec are changed from Integer to
- Longint, for consistency with the zlib.h header, and for 64-bit
- readiness.
-
-- The zlib_version constant is updated.
-
-- The new Z_RLE strategy has its corresponding symbolic constant.
-
-- The allocation and deallocation functions and function types
- (TAlloc, TFree, zlibAllocMem and zlibFreeMem) are now cdecl,
- and _malloc and _free are added as C RTL stubs. As a result,
- the original C sources of zlib can be compiled out of the box,
- and linked to the ZLib unit.
-
-
-Suggestions for improvements
-============================
-
-Currently, the ZLib unit provides only a limited wrapper around
-the zlib library, and much of the original zlib functionality is
-missing. Handling compressed file formats like ZIP/GZIP or PNG
-cannot be implemented without having this functionality.
-Applications that handle these formats are either using their own,
-duplicated code, or not using the ZLib unit at all.
-
-Here are a few suggestions:
-
-- Checksum class wrappers around adler32() and crc32(), similar
- to the Java classes that implement the java.util.zip.Checksum
- interface.
-
-- The ability to read and write raw deflate streams, without the
- zlib stream header and trailer. Raw deflate streams are used
- in the ZIP file format.
-
-- The ability to read and write gzip streams, used in the GZIP
- file format, and normally produced by the gzip program.
-
-- The ability to select a different compression strategy, useful
- to PNG and MNG image compression, and to multimedia compression
- in general. Besides the compression level
-
- TCompressionLevel = (clNone, clFastest, clDefault, clMax);
-
- which, in fact, could have used the 'z' prefix and avoided
- TColor-like symbols
-
- TCompressionLevel = (zcNone, zcFastest, zcDefault, zcMax);
-
- there could be a compression strategy
-
- TCompressionStrategy = (zsDefault, zsFiltered, zsHuffmanOnly, zsRle);
-
-- ZIP and GZIP stream handling via TStreams.
-
-
---
-Cosmin Truta <cosmint@cs.ubbcluj.ro>
+++ /dev/null
-# Makefile for zlib
-# For use with Delphi and C++ Builder under Win32
-# Updated for zlib 1.2.x by Cosmin Truta
-
-# ------------ Borland C++ ------------
-
-# This project uses the Delphi (fastcall/register) calling convention:
-LOC = -DZEXPORT=__fastcall -DZEXPORTVA=__cdecl
-
-CC = bcc32
-LD = bcc32
-AR = tlib
-# do not use "-pr" in CFLAGS
-CFLAGS = -a -d -k- -O2 $(LOC)
-LDFLAGS =
-
-
-# variables
-ZLIB_LIB = zlib.lib
-
-OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj
-OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj
-OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infback.obj
-OBJP2 = +inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj
-
-
-# targets
-all: $(ZLIB_LIB) example.exe minigzip.exe
-
-.c.obj:
- $(CC) -c $(CFLAGS) $*.c
-
-adler32.obj: adler32.c zlib.h zconf.h
-
-compress.obj: compress.c zlib.h zconf.h
-
-crc32.obj: crc32.c zlib.h zconf.h crc32.h
-
-deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h
-
-gzio.obj: gzio.c zutil.h zlib.h zconf.h
-
-infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h
-
-inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h
-
-trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h
-
-uncompr.obj: uncompr.c zlib.h zconf.h
-
-zutil.obj: zutil.c zutil.h zlib.h zconf.h
-
-example.obj: example.c zlib.h zconf.h
-
-minigzip.obj: minigzip.c zlib.h zconf.h
-
-
-# For the sake of the old Borland make,
-# the command line is cut to fit in the MS-DOS 128 byte limit:
-$(ZLIB_LIB): $(OBJ1) $(OBJ2)
- -del $(ZLIB_LIB)
- $(AR) $(ZLIB_LIB) $(OBJP1)
- $(AR) $(ZLIB_LIB) $(OBJP2)
-
-
-# testing
-test: example.exe minigzip.exe
- example
- echo hello world | minigzip | minigzip -d
-
-example.exe: example.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB)
-
-minigzip.exe: minigzip.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB)
-
-
-# cleanup
-clean:
- -del *.obj
- -del *.exe
- -del *.lib
- -del *.tds
- -del zlib.bak
- -del foo.gz
-
+++ /dev/null
-<?xml version="1.0" encoding="utf-8" ?>
-<project name="DotZLib" default="build" basedir="./DotZLib">
- <description>A .Net wrapper library around ZLib1.dll</description>
-
- <property name="nunit.location" value="c:/program files/NUnit V2.1/bin" />
- <property name="build.root" value="bin" />
-
- <property name="debug" value="true" />
- <property name="nunit" value="true" />
-
- <property name="build.folder" value="${build.root}/debug/" if="${debug}" />
- <property name="build.folder" value="${build.root}/release/" unless="${debug}" />
-
- <target name="clean" description="Remove all generated files">
- <delete dir="${build.root}" failonerror="false" />
- </target>
-
- <target name="build" description="compiles the source code">
-
- <mkdir dir="${build.folder}" />
- <csc target="library" output="${build.folder}DotZLib.dll" debug="${debug}">
- <references basedir="${nunit.location}">
- <includes if="${nunit}" name="nunit.framework.dll" />
- </references>
- <sources>
- <includes name="*.cs" />
- <excludes name="UnitTests.cs" unless="${nunit}" />
- </sources>
- <arg value="/d:nunit" if="${nunit}" />
- </csc>
- </target>
-
-</project>
\ No newline at end of file
+++ /dev/null
-using System.Reflection;
-using System.Runtime.CompilerServices;
-
-//
-// General Information about an assembly is controlled through the following
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-//
-[assembly: AssemblyTitle("DotZLib")]
-[assembly: AssemblyDescription(".Net bindings for ZLib compression dll 1.2.x")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Henrik Ravn")]
-[assembly: AssemblyProduct("")]
-[assembly: AssemblyCopyright("(c) 2004 by Henrik Ravn")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-//
-// Version information for an assembly consists of the following four values:
-//
-// Major Version
-// Minor Version
-// Build Number
-// Revision
-//
-// You can specify all the values or you can default the Revision and Build Numbers
-// by using the '*' as shown below:
-
-[assembly: AssemblyVersion("1.0.*")]
-
-//
-// In order to sign your assembly you must specify a key to use. Refer to the
-// Microsoft .NET Framework documentation for more information on assembly signing.
-//
-// Use the attributes below to control which key is used for signing.
-//
-// Notes:
-// (*) If no key is specified, the assembly is not signed.
-// (*) KeyName refers to a key that has been installed in the Crypto Service
-// Provider (CSP) on your machine. KeyFile refers to a file which contains
-// a key.
-// (*) If the KeyFile and the KeyName values are both specified, the
-// following processing occurs:
-// (1) If the KeyName can be found in the CSP, that key is used.
-// (2) If the KeyName does not exist and the KeyFile does exist, the key
-// in the KeyFile is installed into the CSP and used.
-// (*) In order to create a KeyFile, you can use the sn.exe (Strong Name) utility.
-// When specifying the KeyFile, the location of the KeyFile should be
-// relative to the project output directory which is
-// %Project Directory%\obj\<configuration>. For example, if your KeyFile is
-// located in the project directory, you would specify the AssemblyKeyFile
-// attribute as [assembly: AssemblyKeyFile("..\\..\\mykey.snk")]
-// (*) Delay Signing is an advanced option - see the Microsoft .NET Framework
-// documentation for more information on this.
-//
-[assembly: AssemblyDelaySign(false)]
-[assembly: AssemblyKeyFile("")]
-[assembly: AssemblyKeyName("")]
+++ /dev/null
-//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.Runtime.InteropServices;
-using System.Text;
-
-
-namespace DotZLib
-{
- #region ChecksumGeneratorBase
- /// <summary>
- /// Implements the common functionality needed for all <see cref="ChecksumGenerator"/>s
- /// </summary>
- /// <example></example>
- public abstract class ChecksumGeneratorBase : ChecksumGenerator
- {
- /// <summary>
- /// The value of the current checksum
- /// </summary>
- protected uint _current;
-
- /// <summary>
- /// Initializes a new instance of the checksum generator base - the current checksum is
- /// set to zero
- /// </summary>
- public ChecksumGeneratorBase()
- {
- _current = 0;
- }
-
- /// <summary>
- /// Initializes a new instance of the checksum generator basewith a specified value
- /// </summary>
- /// <param name="initialValue">The value to set the current checksum to</param>
- public ChecksumGeneratorBase(uint initialValue)
- {
- _current = initialValue;
- }
-
- /// <summary>
- /// Resets the current checksum to zero
- /// </summary>
- public void Reset() { _current = 0; }
-
- /// <summary>
- /// Gets the current checksum value
- /// </summary>
- public uint Value { get { return _current; } }
-
- /// <summary>
- /// Updates the current checksum with part of an array of bytes
- /// </summary>
- /// <param name="data">The data to update the checksum with</param>
- /// <param name="offset">Where in <c>data</c> to start updating</param>
- /// <param name="count">The number of bytes from <c>data</c> to use</param>
- /// <exception cref="ArgumentException">The sum of offset and count is larger than the length of <c>data</c></exception>
- /// <exception cref="NullReferenceException"><c>data</c> is a null reference</exception>
- /// <exception cref="ArgumentOutOfRangeException">Offset or count is negative.</exception>
- /// <remarks>All the other <c>Update</c> methods are implmeneted in terms of this one.
- /// This is therefore the only method a derived class has to implement</remarks>
- public abstract void Update(byte[] data, int offset, int count);
-
- /// <summary>
- /// Updates the current checksum with an array of bytes.
- /// </summary>
- /// <param name="data">The data to update the checksum with</param>
- public void Update(byte[] data)
- {
- Update(data, 0, data.Length);
- }
-
- /// <summary>
- /// Updates the current checksum with the data from a string
- /// </summary>
- /// <param name="data">The string to update the checksum with</param>
- /// <remarks>The characters in the string are converted by the UTF-8 encoding</remarks>
- public void Update(string data)
- {
- Update(Encoding.UTF8.GetBytes(data));
- }
-
- /// <summary>
- /// Updates the current checksum with the data from a string, using a specific encoding
- /// </summary>
- /// <param name="data">The string to update the checksum with</param>
- /// <param name="encoding">The encoding to use</param>
- public void Update(string data, Encoding encoding)
- {
- Update(encoding.GetBytes(data));
- }
-
- }
- #endregion
-
- #region CRC32
- /// <summary>
- /// Implements a CRC32 checksum generator
- /// </summary>
- public sealed class CRC32Checksum : ChecksumGeneratorBase
- {
- #region DLL imports
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern uint crc32(uint crc, int data, uint length);
-
- #endregion
-
- /// <summary>
- /// Initializes a new instance of the CRC32 checksum generator
- /// </summary>
- public CRC32Checksum() : base() {}
-
- /// <summary>
- /// Initializes a new instance of the CRC32 checksum generator with a specified value
- /// </summary>
- /// <param name="initialValue">The value to set the current checksum to</param>
- public CRC32Checksum(uint initialValue) : base(initialValue) {}
-
- /// <summary>
- /// Updates the current checksum with part of an array of bytes
- /// </summary>
- /// <param name="data">The data to update the checksum with</param>
- /// <param name="offset">Where in <c>data</c> to start updating</param>
- /// <param name="count">The number of bytes from <c>data</c> to use</param>
- /// <exception cref="ArgumentException">The sum of offset and count is larger than the length of <c>data</c></exception>
- /// <exception cref="NullReferenceException"><c>data</c> is a null reference</exception>
- /// <exception cref="ArgumentOutOfRangeException">Offset or count is negative.</exception>
- public override void Update(byte[] data, int offset, int count)
- {
- if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
- if ((offset+count) > data.Length) throw new ArgumentException();
- GCHandle hData = GCHandle.Alloc(data, GCHandleType.Pinned);
- try
- {
- _current = crc32(_current, hData.AddrOfPinnedObject().ToInt32()+offset, (uint)count);
- }
- finally
- {
- hData.Free();
- }
- }
-
- }
- #endregion
-
- #region Adler
- /// <summary>
- /// Implements a checksum generator that computes the Adler checksum on data
- /// </summary>
- public sealed class AdlerChecksum : ChecksumGeneratorBase
- {
- #region DLL imports
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern uint adler32(uint adler, int data, uint length);
-
- #endregion
-
- /// <summary>
- /// Initializes a new instance of the Adler checksum generator
- /// </summary>
- public AdlerChecksum() : base() {}
-
- /// <summary>
- /// Initializes a new instance of the Adler checksum generator with a specified value
- /// </summary>
- /// <param name="initialValue">The value to set the current checksum to</param>
- public AdlerChecksum(uint initialValue) : base(initialValue) {}
-
- /// <summary>
- /// Updates the current checksum with part of an array of bytes
- /// </summary>
- /// <param name="data">The data to update the checksum with</param>
- /// <param name="offset">Where in <c>data</c> to start updating</param>
- /// <param name="count">The number of bytes from <c>data</c> to use</param>
- /// <exception cref="ArgumentException">The sum of offset and count is larger than the length of <c>data</c></exception>
- /// <exception cref="NullReferenceException"><c>data</c> is a null reference</exception>
- /// <exception cref="ArgumentOutOfRangeException">Offset or count is negative.</exception>
- public override void Update(byte[] data, int offset, int count)
- {
- if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
- if ((offset+count) > data.Length) throw new ArgumentException();
- GCHandle hData = GCHandle.Alloc(data, GCHandleType.Pinned);
- try
- {
- _current = adler32(_current, hData.AddrOfPinnedObject().ToInt32()+offset, (uint)count);
- }
- finally
- {
- hData.Free();
- }
- }
-
- }
- #endregion
-
-}
\ No newline at end of file
+++ /dev/null
-//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.Diagnostics;
-
-namespace DotZLib
-{
-
- /// <summary>
- /// This class implements a circular buffer
- /// </summary>
- internal class CircularBuffer
- {
- #region Private data
- private int _capacity;
- private int _head;
- private int _tail;
- private int _size;
- private byte[] _buffer;
- #endregion
-
- public CircularBuffer(int capacity)
- {
- Debug.Assert( capacity > 0 );
- _buffer = new byte[capacity];
- _capacity = capacity;
- _head = 0;
- _tail = 0;
- _size = 0;
- }
-
- public int Size { get { return _size; } }
-
- public int Put(byte[] source, int offset, int count)
- {
- Debug.Assert( count > 0 );
- int trueCount = Math.Min(count, _capacity - Size);
- for (int i = 0; i < trueCount; ++i)
- _buffer[(_tail+i) % _capacity] = source[offset+i];
- _tail += trueCount;
- _tail %= _capacity;
- _size += trueCount;
- return trueCount;
- }
-
- public bool Put(byte b)
- {
- if (Size == _capacity) // no room
- return false;
- _buffer[_tail++] = b;
- _tail %= _capacity;
- ++_size;
- return true;
- }
-
- public int Get(byte[] destination, int offset, int count)
- {
- int trueCount = Math.Min(count,Size);
- for (int i = 0; i < trueCount; ++i)
- destination[offset + i] = _buffer[(_head+i) % _capacity];
- _head += trueCount;
- _head %= _capacity;
- _size -= trueCount;
- return trueCount;
- }
-
- public int Get()
- {
- if (Size == 0)
- return -1;
-
- int result = (int)_buffer[_head++ % _capacity];
- --_size;
- return result;
- }
-
- }
-}
+++ /dev/null
-//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.Runtime.InteropServices;
-
-namespace DotZLib
-{
- /// <summary>
- /// Implements the common functionality needed for all <see cref="Codec"/>s
- /// </summary>
- public abstract class CodecBase : Codec, IDisposable
- {
-
- #region Data members
-
- /// <summary>
- /// Instance of the internal zlib buffer structure that is
- /// passed to all functions in the zlib dll
- /// </summary>
- internal ZStream _ztream = new ZStream();
-
- /// <summary>
- /// True if the object instance has been disposed, false otherwise
- /// </summary>
- protected bool _isDisposed = false;
-
- /// <summary>
- /// The size of the internal buffers
- /// </summary>
- protected const int kBufferSize = 16384;
-
- private byte[] _outBuffer = new byte[kBufferSize];
- private byte[] _inBuffer = new byte[kBufferSize];
-
- private GCHandle _hInput;
- private GCHandle _hOutput;
-
- private uint _checksum = 0;
-
- #endregion
-
- /// <summary>
- /// Initializes a new instance of the <c>CodeBase</c> class.
- /// </summary>
- public CodecBase()
- {
- try
- {
- _hInput = GCHandle.Alloc(_inBuffer, GCHandleType.Pinned);
- _hOutput = GCHandle.Alloc(_outBuffer, GCHandleType.Pinned);
- }
- catch (Exception)
- {
- CleanUp(false);
- throw;
- }
- }
-
-
- #region Codec Members
-
- /// <summary>
- /// Occurs when more processed data are available.
- /// </summary>
- public event DataAvailableHandler DataAvailable;
-
- /// <summary>
- /// Fires the <see cref="DataAvailable"/> event
- /// </summary>
- protected void OnDataAvailable()
- {
- if (_ztream.total_out > 0)
- {
- if (DataAvailable != null)
- DataAvailable( _outBuffer, 0, (int)_ztream.total_out);
- resetOutput();
- }
- }
-
- /// <summary>
- /// Adds more data to the codec to be processed.
- /// </summary>
- /// <param name="data">Byte array containing the data to be added to the codec</param>
- /// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks>
- public void Add(byte[] data)
- {
- Add(data,0,data.Length);
- }
-
- /// <summary>
- /// Adds more data to the codec to be processed.
- /// </summary>
- /// <param name="data">Byte array containing the data to be added to the codec</param>
- /// <param name="offset">The index of the first byte to add from <c>data</c></param>
- /// <param name="count">The number of bytes to add</param>
- /// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks>
- /// <remarks>This must be implemented by a derived class</remarks>
- public abstract void Add(byte[] data, int offset, int count);
-
- /// <summary>
- /// Finishes up any pending data that needs to be processed and handled.
- /// </summary>
- /// <remarks>This must be implemented by a derived class</remarks>
- public abstract void Finish();
-
- /// <summary>
- /// Gets the checksum of the data that has been added so far
- /// </summary>
- public uint Checksum { get { return _checksum; } }
-
- #endregion
-
- #region Destructor & IDisposable stuff
-
- /// <summary>
- /// Destroys this instance
- /// </summary>
- ~CodecBase()
- {
- CleanUp(false);
- }
-
- /// <summary>
- /// Releases any unmanaged resources and calls the <see cref="CleanUp()"/> method of the derived class
- /// </summary>
- public void Dispose()
- {
- CleanUp(true);
- }
-
- /// <summary>
- /// Performs any codec specific cleanup
- /// </summary>
- /// <remarks>This must be implemented by a derived class</remarks>
- protected abstract void CleanUp();
-
- // performs the release of the handles and calls the dereived CleanUp()
- private void CleanUp(bool isDisposing)
- {
- if (!_isDisposed)
- {
- CleanUp();
- if (_hInput.IsAllocated)
- _hInput.Free();
- if (_hOutput.IsAllocated)
- _hOutput.Free();
-
- _isDisposed = true;
- }
- }
-
-
- #endregion
-
- #region Helper methods
-
- /// <summary>
- /// Copies a number of bytes to the internal codec buffer - ready for proccesing
- /// </summary>
- /// <param name="data">The byte array that contains the data to copy</param>
- /// <param name="startIndex">The index of the first byte to copy</param>
- /// <param name="count">The number of bytes to copy from <c>data</c></param>
- protected void copyInput(byte[] data, int startIndex, int count)
- {
- Array.Copy(data, startIndex, _inBuffer,0, count);
- _ztream.next_in = _hInput.AddrOfPinnedObject();
- _ztream.total_in = 0;
- _ztream.avail_in = (uint)count;
-
- }
-
- /// <summary>
- /// Resets the internal output buffers to a known state - ready for processing
- /// </summary>
- protected void resetOutput()
- {
- _ztream.total_out = 0;
- _ztream.avail_out = kBufferSize;
- _ztream.next_out = _hOutput.AddrOfPinnedObject();
- }
-
- /// <summary>
- /// Updates the running checksum property
- /// </summary>
- /// <param name="newSum">The new checksum value</param>
- protected void setChecksum(uint newSum)
- {
- _checksum = newSum;
- }
- #endregion
-
- }
-}
+++ /dev/null
-//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace DotZLib
-{
-
- /// <summary>
- /// Implements a data compressor, using the deflate algorithm in the ZLib dll
- /// </summary>
- public sealed class Deflater : CodecBase
- {
- #region Dll imports
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)]
- private static extern int deflateInit_(ref ZStream sz, int level, string vs, int size);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int deflate(ref ZStream sz, int flush);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int deflateReset(ref ZStream sz);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int deflateEnd(ref ZStream sz);
- #endregion
-
- /// <summary>
- /// Constructs an new instance of the <c>Deflater</c>
- /// </summary>
- /// <param name="level">The compression level to use for this <c>Deflater</c></param>
- public Deflater(CompressLevel level) : base()
- {
- int retval = deflateInit_(ref _ztream, (int)level, Info.Version, Marshal.SizeOf(_ztream));
- if (retval != 0)
- throw new ZLibException(retval, "Could not initialize deflater");
-
- resetOutput();
- }
-
- /// <summary>
- /// Adds more data to the codec to be processed.
- /// </summary>
- /// <param name="data">Byte array containing the data to be added to the codec</param>
- /// <param name="offset">The index of the first byte to add from <c>data</c></param>
- /// <param name="count">The number of bytes to add</param>
- /// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks>
- public override void Add(byte[] data, int offset, int count)
- {
- if (data == null) throw new ArgumentNullException();
- if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
- if ((offset+count) > data.Length) throw new ArgumentException();
-
- int total = count;
- int inputIndex = offset;
- int err = 0;
-
- while (err >= 0 && inputIndex < total)
- {
- copyInput(data, inputIndex, Math.Min(total - inputIndex, kBufferSize));
- while (err >= 0 && _ztream.avail_in > 0)
- {
- err = deflate(ref _ztream, (int)FlushTypes.None);
- if (err == 0)
- while (_ztream.avail_out == 0)
- {
- OnDataAvailable();
- err = deflate(ref _ztream, (int)FlushTypes.None);
- }
- inputIndex += (int)_ztream.total_in;
- }
- }
- setChecksum( _ztream.adler );
- }
-
-
- /// <summary>
- /// Finishes up any pending data that needs to be processed and handled.
- /// </summary>
- public override void Finish()
- {
- int err;
- do
- {
- err = deflate(ref _ztream, (int)FlushTypes.Finish);
- OnDataAvailable();
- }
- while (err == 0);
- setChecksum( _ztream.adler );
- deflateReset(ref _ztream);
- resetOutput();
- }
-
- /// <summary>
- /// Closes the internal zlib deflate stream
- /// </summary>
- protected override void CleanUp() { deflateEnd(ref _ztream); }
-
- }
-}
+++ /dev/null
-//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.IO;
-using System.Runtime.InteropServices;
-using System.Text;
-
-
-namespace DotZLib
-{
-
- #region Internal types
-
- /// <summary>
- /// Defines constants for the various flush types used with zlib
- /// </summary>
- internal enum FlushTypes
- {
- None, Partial, Sync, Full, Finish, Block
- }
-
- #region ZStream structure
- // internal mapping of the zlib zstream structure for marshalling
- [StructLayoutAttribute(LayoutKind.Sequential, Pack=4, Size=0, CharSet=CharSet.Ansi)]
- internal struct ZStream
- {
- public IntPtr next_in;
- public uint avail_in;
- public uint total_in;
-
- public IntPtr next_out;
- public uint avail_out;
- public uint total_out;
-
- [MarshalAs(UnmanagedType.LPStr)]
- string msg;
- uint state;
-
- uint zalloc;
- uint zfree;
- uint opaque;
-
- int data_type;
- public uint adler;
- uint reserved;
- }
-
- #endregion
-
- #endregion
-
- #region Public enums
- /// <summary>
- /// Defines constants for the available compression levels in zlib
- /// </summary>
- public enum CompressLevel : int
- {
- /// <summary>
- /// The default compression level with a reasonable compromise between compression and speed
- /// </summary>
- Default = -1,
- /// <summary>
- /// No compression at all. The data are passed straight through.
- /// </summary>
- None = 0,
- /// <summary>
- /// The maximum compression rate available.
- /// </summary>
- Best = 9,
- /// <summary>
- /// The fastest available compression level.
- /// </summary>
- Fastest = 1
- }
- #endregion
-
- #region Exception classes
- /// <summary>
- /// The exception that is thrown when an error occurs on the zlib dll
- /// </summary>
- public class ZLibException : ApplicationException
- {
- /// <summary>
- /// Initializes a new instance of the <see cref="ZLibException"/> class with a specified
- /// error message and error code
- /// </summary>
- /// <param name="errorCode">The zlib error code that caused the exception</param>
- /// <param name="msg">A message that (hopefully) describes the error</param>
- public ZLibException(int errorCode, string msg) : base(String.Format("ZLib error {0} {1}", errorCode, msg))
- {
- }
-
- /// <summary>
- /// Initializes a new instance of the <see cref="ZLibException"/> class with a specified
- /// error code
- /// </summary>
- /// <param name="errorCode">The zlib error code that caused the exception</param>
- public ZLibException(int errorCode) : base(String.Format("ZLib error {0}", errorCode))
- {
- }
- }
- #endregion
-
- #region Interfaces
-
- /// <summary>
- /// Declares methods and properties that enables a running checksum to be calculated
- /// </summary>
- public interface ChecksumGenerator
- {
- /// <summary>
- /// Gets the current value of the checksum
- /// </summary>
- uint Value { get; }
-
- /// <summary>
- /// Clears the current checksum to 0
- /// </summary>
- void Reset();
-
- /// <summary>
- /// Updates the current checksum with an array of bytes
- /// </summary>
- /// <param name="data">The data to update the checksum with</param>
- void Update(byte[] data);
-
- /// <summary>
- /// Updates the current checksum with part of an array of bytes
- /// </summary>
- /// <param name="data">The data to update the checksum with</param>
- /// <param name="offset">Where in <c>data</c> to start updating</param>
- /// <param name="count">The number of bytes from <c>data</c> to use</param>
- /// <exception cref="ArgumentException">The sum of offset and count is larger than the length of <c>data</c></exception>
- /// <exception cref="ArgumentNullException"><c>data</c> is a null reference</exception>
- /// <exception cref="ArgumentOutOfRangeException">Offset or count is negative.</exception>
- void Update(byte[] data, int offset, int count);
-
- /// <summary>
- /// Updates the current checksum with the data from a string
- /// </summary>
- /// <param name="data">The string to update the checksum with</param>
- /// <remarks>The characters in the string are converted by the UTF-8 encoding</remarks>
- void Update(string data);
-
- /// <summary>
- /// Updates the current checksum with the data from a string, using a specific encoding
- /// </summary>
- /// <param name="data">The string to update the checksum with</param>
- /// <param name="encoding">The encoding to use</param>
- void Update(string data, Encoding encoding);
- }
-
-
- /// <summary>
- /// Represents the method that will be called from a codec when new data
- /// are available.
- /// </summary>
- /// <paramref name="data">The byte array containing the processed data</paramref>
- /// <paramref name="startIndex">The index of the first processed byte in <c>data</c></paramref>
- /// <paramref name="count">The number of processed bytes available</paramref>
- /// <remarks>On return from this method, the data may be overwritten, so grab it while you can.
- /// You cannot assume that startIndex will be zero.
- /// </remarks>
- public delegate void DataAvailableHandler(byte[] data, int startIndex, int count);
-
- /// <summary>
- /// Declares methods and events for implementing compressors/decompressors
- /// </summary>
- public interface Codec
- {
- /// <summary>
- /// Occurs when more processed data are available.
- /// </summary>
- event DataAvailableHandler DataAvailable;
-
- /// <summary>
- /// Adds more data to the codec to be processed.
- /// </summary>
- /// <param name="data">Byte array containing the data to be added to the codec</param>
- /// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks>
- void Add(byte[] data);
-
- /// <summary>
- /// Adds more data to the codec to be processed.
- /// </summary>
- /// <param name="data">Byte array containing the data to be added to the codec</param>
- /// <param name="offset">The index of the first byte to add from <c>data</c></param>
- /// <param name="count">The number of bytes to add</param>
- /// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks>
- void Add(byte[] data, int offset, int count);
-
- /// <summary>
- /// Finishes up any pending data that needs to be processed and handled.
- /// </summary>
- void Finish();
-
- /// <summary>
- /// Gets the checksum of the data that has been added so far
- /// </summary>
- uint Checksum { get; }
-
-
- }
-
- #endregion
-
- #region Classes
- /// <summary>
- /// Encapsulates general information about the ZLib library
- /// </summary>
- public class Info
- {
- #region DLL imports
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern uint zlibCompileFlags();
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern string zlibVersion();
- #endregion
-
- #region Private stuff
- private uint _flags;
-
- // helper function that unpacks a bitsize mask
- private static int bitSize(uint bits)
- {
- switch (bits)
- {
- case 0: return 16;
- case 1: return 32;
- case 2: return 64;
- }
- return -1;
- }
- #endregion
-
- /// <summary>
- /// Constructs an instance of the <c>Info</c> class.
- /// </summary>
- public Info()
- {
- _flags = zlibCompileFlags();
- }
-
- /// <summary>
- /// True if the library is compiled with debug info
- /// </summary>
- public bool HasDebugInfo { get { return 0 != (_flags & 0x100); } }
-
- /// <summary>
- /// True if the library is compiled with assembly optimizations
- /// </summary>
- public bool UsesAssemblyCode { get { return 0 != (_flags & 0x200); } }
-
- /// <summary>
- /// Gets the size of the unsigned int that was compiled into Zlib
- /// </summary>
- public int SizeOfUInt { get { return bitSize(_flags & 3); } }
-
- /// <summary>
- /// Gets the size of the unsigned long that was compiled into Zlib
- /// </summary>
- public int SizeOfULong { get { return bitSize((_flags >> 2) & 3); } }
-
- /// <summary>
- /// Gets the size of the pointers that were compiled into Zlib
- /// </summary>
- public int SizeOfPointer { get { return bitSize((_flags >> 4) & 3); } }
-
- /// <summary>
- /// Gets the size of the z_off_t type that was compiled into Zlib
- /// </summary>
- public int SizeOfOffset { get { return bitSize((_flags >> 6) & 3); } }
-
- /// <summary>
- /// Gets the version of ZLib as a string, e.g. "1.2.1"
- /// </summary>
- public static string Version { get { return zlibVersion(); } }
- }
-
- #endregion
-
-}
+++ /dev/null
-<VisualStudioProject>
- <CSHARP
- ProjectType = "Local"
- ProductVersion = "7.10.3077"
- SchemaVersion = "2.0"
- ProjectGuid = "{BB1EE0B1-1808-46CB-B786-949D91117FC5}"
- >
- <Build>
- <Settings
- ApplicationIcon = ""
- AssemblyKeyContainerName = ""
- AssemblyName = "DotZLib"
- AssemblyOriginatorKeyFile = ""
- DefaultClientScript = "JScript"
- DefaultHTMLPageLayout = "Grid"
- DefaultTargetSchema = "IE50"
- DelaySign = "false"
- OutputType = "Library"
- PreBuildEvent = ""
- PostBuildEvent = ""
- RootNamespace = "DotZLib"
- RunPostBuildEvent = "OnBuildSuccess"
- StartupObject = ""
- >
- <Config
- Name = "Debug"
- AllowUnsafeBlocks = "false"
- BaseAddress = "285212672"
- CheckForOverflowUnderflow = "false"
- ConfigurationOverrideFile = ""
- DefineConstants = "DEBUG;TRACE"
- DocumentationFile = "docs\DotZLib.xml"
- DebugSymbols = "true"
- FileAlignment = "4096"
- IncrementalBuild = "false"
- NoStdLib = "false"
- NoWarn = "1591"
- Optimize = "false"
- OutputPath = "bin\Debug\"
- RegisterForComInterop = "false"
- RemoveIntegerChecks = "false"
- TreatWarningsAsErrors = "false"
- WarningLevel = "4"
- />
- <Config
- Name = "Release"
- AllowUnsafeBlocks = "false"
- BaseAddress = "285212672"
- CheckForOverflowUnderflow = "false"
- ConfigurationOverrideFile = ""
- DefineConstants = "TRACE"
- DocumentationFile = "docs\DotZLib.xml"
- DebugSymbols = "false"
- FileAlignment = "4096"
- IncrementalBuild = "false"
- NoStdLib = "false"
- NoWarn = ""
- Optimize = "true"
- OutputPath = "bin\Release\"
- RegisterForComInterop = "false"
- RemoveIntegerChecks = "false"
- TreatWarningsAsErrors = "false"
- WarningLevel = "4"
- />
- </Settings>
- <References>
- <Reference
- Name = "System"
- AssemblyName = "System"
- HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.dll"
- />
- <Reference
- Name = "System.Data"
- AssemblyName = "System.Data"
- HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.Data.dll"
- />
- <Reference
- Name = "System.XML"
- AssemblyName = "System.Xml"
- HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.XML.dll"
- />
- <Reference
- Name = "nunit.framework"
- AssemblyName = "nunit.framework"
- HintPath = "E:\apps\NUnit V2.1\\bin\nunit.framework.dll"
- AssemblyFolderKey = "hklm\dn\nunit.framework"
- />
- </References>
- </Build>
- <Files>
- <Include>
- <File
- RelPath = "AssemblyInfo.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- <File
- RelPath = "ChecksumImpl.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- <File
- RelPath = "CircularBuffer.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- <File
- RelPath = "CodecBase.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- <File
- RelPath = "Deflater.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- <File
- RelPath = "DotZLib.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- <File
- RelPath = "GZipStream.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- <File
- RelPath = "Inflater.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- <File
- RelPath = "UnitTests.cs"
- SubType = "Code"
- BuildAction = "Compile"
- />
- </Include>
- </Files>
- </CSHARP>
-</VisualStudioProject>
-
+++ /dev/null
-//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.IO;
-using System.Runtime.InteropServices;
-
-namespace DotZLib
-{
- /// <summary>
- /// Implements a compressed <see cref="Stream"/>, in GZip (.gz) format.
- /// </summary>
- public class GZipStream : Stream, IDisposable
- {
- #region Dll Imports
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)]
- private static extern IntPtr gzopen(string name, string mode);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int gzclose(IntPtr gzFile);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int gzwrite(IntPtr gzFile, int data, int length);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int gzread(IntPtr gzFile, int data, int length);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int gzgetc(IntPtr gzFile);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int gzputc(IntPtr gzFile, int c);
-
- #endregion
-
- #region Private data
- private IntPtr _gzFile;
- private bool _isDisposed = false;
- private bool _isWriting;
- #endregion
-
- #region Constructors
- /// <summary>
- /// Creates a new file as a writeable GZipStream
- /// </summary>
- /// <param name="fileName">The name of the compressed file to create</param>
- /// <param name="level">The compression level to use when adding data</param>
- /// <exception cref="ZLibException">If an error occurred in the internal zlib function</exception>
- public GZipStream(string fileName, CompressLevel level)
- {
- _isWriting = true;
- _gzFile = gzopen(fileName, String.Format("wb{0}", (int)level));
- if (_gzFile == IntPtr.Zero)
- throw new ZLibException(-1, "Could not open " + fileName);
- }
-
- /// <summary>
- /// Opens an existing file as a readable GZipStream
- /// </summary>
- /// <param name="fileName">The name of the file to open</param>
- /// <exception cref="ZLibException">If an error occurred in the internal zlib function</exception>
- public GZipStream(string fileName)
- {
- _isWriting = false;
- _gzFile = gzopen(fileName, "rb");
- if (_gzFile == IntPtr.Zero)
- throw new ZLibException(-1, "Could not open " + fileName);
-
- }
- #endregion
-
- #region Access properties
- /// <summary>
- /// Returns true of this stream can be read from, false otherwise
- /// </summary>
- public override bool CanRead
- {
- get
- {
- return !_isWriting;
- }
- }
-
-
- /// <summary>
- /// Returns false.
- /// </summary>
- public override bool CanSeek
- {
- get
- {
- return false;
- }
- }
-
- /// <summary>
- /// Returns true if this tsream is writeable, false otherwise
- /// </summary>
- public override bool CanWrite
- {
- get
- {
- return _isWriting;
- }
- }
- #endregion
-
- #region Destructor & IDispose stuff
-
- /// <summary>
- /// Destroys this instance
- /// </summary>
- ~GZipStream()
- {
- cleanUp(false);
- }
-
- /// <summary>
- /// Closes the external file handle
- /// </summary>
- public void Dispose()
- {
- cleanUp(true);
- }
-
- // Does the actual closing of the file handle.
- private void cleanUp(bool isDisposing)
- {
- if (!_isDisposed)
- {
- gzclose(_gzFile);
- _isDisposed = true;
- }
- }
- #endregion
-
- #region Basic reading and writing
- /// <summary>
- /// Attempts to read a number of bytes from the stream.
- /// </summary>
- /// <param name="buffer">The destination data buffer</param>
- /// <param name="offset">The index of the first destination byte in <c>buffer</c></param>
- /// <param name="count">The number of bytes requested</param>
- /// <returns>The number of bytes read</returns>
- /// <exception cref="ArgumentNullException">If <c>buffer</c> is null</exception>
- /// <exception cref="ArgumentOutOfRangeException">If <c>count</c> or <c>offset</c> are negative</exception>
- /// <exception cref="ArgumentException">If <c>offset</c> + <c>count</c> is > buffer.Length</exception>
- /// <exception cref="NotSupportedException">If this stream is not readable.</exception>
- /// <exception cref="ObjectDisposedException">If this stream has been disposed.</exception>
- public override int Read(byte[] buffer, int offset, int count)
- {
- if (!CanRead) throw new NotSupportedException();
- if (buffer == null) throw new ArgumentNullException();
- if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
- if ((offset+count) > buffer.Length) throw new ArgumentException();
- if (_isDisposed) throw new ObjectDisposedException("GZipStream");
-
- GCHandle h = GCHandle.Alloc(buffer, GCHandleType.Pinned);
- int result;
- try
- {
- result = gzread(_gzFile, h.AddrOfPinnedObject().ToInt32() + offset, count);
- if (result < 0)
- throw new IOException();
- }
- finally
- {
- h.Free();
- }
- return result;
- }
-
- /// <summary>
- /// Attempts to read a single byte from the stream.
- /// </summary>
- /// <returns>The byte that was read, or -1 in case of error or End-Of-File</returns>
- public override int ReadByte()
- {
- if (!CanRead) throw new NotSupportedException();
- if (_isDisposed) throw new ObjectDisposedException("GZipStream");
- return gzgetc(_gzFile);
- }
-
- /// <summary>
- /// Writes a number of bytes to the stream
- /// </summary>
- /// <param name="buffer"></param>
- /// <param name="offset"></param>
- /// <param name="count"></param>
- /// <exception cref="ArgumentNullException">If <c>buffer</c> is null</exception>
- /// <exception cref="ArgumentOutOfRangeException">If <c>count</c> or <c>offset</c> are negative</exception>
- /// <exception cref="ArgumentException">If <c>offset</c> + <c>count</c> is > buffer.Length</exception>
- /// <exception cref="NotSupportedException">If this stream is not writeable.</exception>
- /// <exception cref="ObjectDisposedException">If this stream has been disposed.</exception>
- public override void Write(byte[] buffer, int offset, int count)
- {
- if (!CanWrite) throw new NotSupportedException();
- if (buffer == null) throw new ArgumentNullException();
- if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
- if ((offset+count) > buffer.Length) throw new ArgumentException();
- if (_isDisposed) throw new ObjectDisposedException("GZipStream");
-
- GCHandle h = GCHandle.Alloc(buffer, GCHandleType.Pinned);
- try
- {
- int result = gzwrite(_gzFile, h.AddrOfPinnedObject().ToInt32() + offset, count);
- if (result < 0)
- throw new IOException();
- }
- finally
- {
- h.Free();
- }
- }
-
- /// <summary>
- /// Writes a single byte to the stream
- /// </summary>
- /// <param name="value">The byte to add to the stream.</param>
- /// <exception cref="NotSupportedException">If this stream is not writeable.</exception>
- /// <exception cref="ObjectDisposedException">If this stream has been disposed.</exception>
- public override void WriteByte(byte value)
- {
- if (!CanWrite) throw new NotSupportedException();
- if (_isDisposed) throw new ObjectDisposedException("GZipStream");
-
- int result = gzputc(_gzFile, (int)value);
- if (result < 0)
- throw new IOException();
- }
- #endregion
-
- #region Position & length stuff
- /// <summary>
- /// Not supported.
- /// </summary>
- /// <param name="value"></param>
- /// <exception cref="NotSupportedException">Always thrown</exception>
- public override void SetLength(long value)
- {
- throw new NotSupportedException();
- }
-
- /// <summary>
- /// Not suppported.
- /// </summary>
- /// <param name="offset"></param>
- /// <param name="origin"></param>
- /// <returns></returns>
- /// <exception cref="NotSupportedException">Always thrown</exception>
- public override long Seek(long offset, SeekOrigin origin)
- {
- throw new NotSupportedException();
- }
-
- /// <summary>
- /// Flushes the <c>GZipStream</c>.
- /// </summary>
- /// <remarks>In this implementation, this method does nothing. This is because excessive
- /// flushing may degrade the achievable compression rates.</remarks>
- public override void Flush()
- {
- // left empty on purpose
- }
-
- /// <summary>
- /// Gets/sets the current position in the <c>GZipStream</c>. Not suppported.
- /// </summary>
- /// <remarks>In this implementation this property is not supported</remarks>
- /// <exception cref="NotSupportedException">Always thrown</exception>
- public override long Position
- {
- get
- {
- throw new NotSupportedException();
- }
- set
- {
- throw new NotSupportedException();
- }
- }
-
- /// <summary>
- /// Gets the size of the stream. Not suppported.
- /// </summary>
- /// <remarks>In this implementation this property is not supported</remarks>
- /// <exception cref="NotSupportedException">Always thrown</exception>
- public override long Length
- {
- get
- {
- throw new NotSupportedException();
- }
- }
- #endregion
- }
-}
+++ /dev/null
-//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace DotZLib
-{
-
- /// <summary>
- /// Implements a data decompressor, using the inflate algorithm in the ZLib dll
- /// </summary>
- public class Inflater : CodecBase
- {
- #region Dll imports
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)]
- private static extern int inflateInit_(ref ZStream sz, string vs, int size);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int inflate(ref ZStream sz, int flush);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int inflateReset(ref ZStream sz);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int inflateEnd(ref ZStream sz);
- #endregion
-
- /// <summary>
- /// Constructs an new instance of the <c>Inflater</c>
- /// </summary>
- public Inflater() : base()
- {
- int retval = inflateInit_(ref _ztream, Info.Version, Marshal.SizeOf(_ztream));
- if (retval != 0)
- throw new ZLibException(retval, "Could not initialize inflater");
-
- resetOutput();
- }
-
-
- /// <summary>
- /// Adds more data to the codec to be processed.
- /// </summary>
- /// <param name="data">Byte array containing the data to be added to the codec</param>
- /// <param name="offset">The index of the first byte to add from <c>data</c></param>
- /// <param name="count">The number of bytes to add</param>
- /// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks>
- public override void Add(byte[] data, int offset, int count)
- {
- if (data == null) throw new ArgumentNullException();
- if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
- if ((offset+count) > data.Length) throw new ArgumentException();
-
- int total = count;
- int inputIndex = offset;
- int err = 0;
-
- while (err >= 0 && inputIndex < total)
- {
- copyInput(data, inputIndex, Math.Min(total - inputIndex, kBufferSize));
- err = inflate(ref _ztream, (int)FlushTypes.None);
- if (err == 0)
- while (_ztream.avail_out == 0)
- {
- OnDataAvailable();
- err = inflate(ref _ztream, (int)FlushTypes.None);
- }
-
- inputIndex += (int)_ztream.total_in;
- }
- setChecksum( _ztream.adler );
- }
-
-
- /// <summary>
- /// Finishes up any pending data that needs to be processed and handled.
- /// </summary>
- public override void Finish()
- {
- int err;
- do
- {
- err = inflate(ref _ztream, (int)FlushTypes.Finish);
- OnDataAvailable();
- }
- while (err == 0);
- setChecksum( _ztream.adler );
- inflateReset(ref _ztream);
- resetOutput();
- }
-
- /// <summary>
- /// Closes the internal zlib inflate stream
- /// </summary>
- protected override void CleanUp() { inflateEnd(ref _ztream); }
-
-
- }
-}
+++ /dev/null
-//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.Collections;
-using System.IO;
-
-// uncomment the define below to include unit tests
-//#define nunit
-#if nunit
-using NUnit.Framework;
-
-// Unit tests for the DotZLib class library
-// ----------------------------------------
-//
-// Use this with NUnit 2 from http://www.nunit.org
-//
-
-namespace DotZLibTests
-{
- using DotZLib;
-
- // helper methods
- internal class Utils
- {
- public static bool byteArrEqual( byte[] lhs, byte[] rhs )
- {
- if (lhs.Length != rhs.Length)
- return false;
- for (int i = lhs.Length-1; i >= 0; --i)
- if (lhs[i] != rhs[i])
- return false;
- return true;
- }
-
- }
-
-
- [TestFixture]
- public class CircBufferTests
- {
- #region Circular buffer tests
- [Test]
- public void SinglePutGet()
- {
- CircularBuffer buf = new CircularBuffer(10);
- Assert.AreEqual( 0, buf.Size );
- Assert.AreEqual( -1, buf.Get() );
-
- Assert.IsTrue(buf.Put( 1 ));
- Assert.AreEqual( 1, buf.Size );
- Assert.AreEqual( 1, buf.Get() );
- Assert.AreEqual( 0, buf.Size );
- Assert.AreEqual( -1, buf.Get() );
- }
-
- [Test]
- public void BlockPutGet()
- {
- CircularBuffer buf = new CircularBuffer(10);
- byte[] arr = {1,2,3,4,5,6,7,8,9,10};
- Assert.AreEqual( 10, buf.Put(arr,0,10) );
- Assert.AreEqual( 10, buf.Size );
- Assert.IsFalse( buf.Put(11) );
- Assert.AreEqual( 1, buf.Get() );
- Assert.IsTrue( buf.Put(11) );
-
- byte[] arr2 = (byte[])arr.Clone();
- Assert.AreEqual( 9, buf.Get(arr2,1,9) );
- Assert.IsTrue( Utils.byteArrEqual(arr,arr2) );
- }
-
- #endregion
- }
-
- [TestFixture]
- public class ChecksumTests
- {
- #region CRC32 Tests
- [Test]
- public void CRC32_Null()
- {
- CRC32Checksum crc32 = new CRC32Checksum();
- Assert.AreEqual( 0, crc32.Value );
-
- crc32 = new CRC32Checksum(1);
- Assert.AreEqual( 1, crc32.Value );
-
- crc32 = new CRC32Checksum(556);
- Assert.AreEqual( 556, crc32.Value );
- }
-
- [Test]
- public void CRC32_Data()
- {
- CRC32Checksum crc32 = new CRC32Checksum();
- byte[] data = { 1,2,3,4,5,6,7 };
- crc32.Update(data);
- Assert.AreEqual( 0x70e46888, crc32.Value );
-
- crc32 = new CRC32Checksum();
- crc32.Update("penguin");
- Assert.AreEqual( 0x0e5c1a120, crc32.Value );
-
- crc32 = new CRC32Checksum(1);
- crc32.Update("penguin");
- Assert.AreEqual(0x43b6aa94, crc32.Value);
-
- }
- #endregion
-
- #region Adler tests
-
- [Test]
- public void Adler_Null()
- {
- AdlerChecksum adler = new AdlerChecksum();
- Assert.AreEqual(0, adler.Value);
-
- adler = new AdlerChecksum(1);
- Assert.AreEqual( 1, adler.Value );
-
- adler = new AdlerChecksum(556);
- Assert.AreEqual( 556, adler.Value );
- }
-
- [Test]
- public void Adler_Data()
- {
- AdlerChecksum adler = new AdlerChecksum(1);
- byte[] data = { 1,2,3,4,5,6,7 };
- adler.Update(data);
- Assert.AreEqual( 0x5b001d, adler.Value );
-
- adler = new AdlerChecksum();
- adler.Update("penguin");
- Assert.AreEqual(0x0bcf02f6, adler.Value );
-
- adler = new AdlerChecksum(1);
- adler.Update("penguin");
- Assert.AreEqual(0x0bd602f7, adler.Value);
-
- }
- #endregion
- }
-
- [TestFixture]
- public class InfoTests
- {
- #region Info tests
- [Test]
- public void Info_Version()
- {
- Info info = new Info();
- Assert.AreEqual("1.2.3", Info.Version);
- Assert.AreEqual(32, info.SizeOfUInt);
- Assert.AreEqual(32, info.SizeOfULong);
- Assert.AreEqual(32, info.SizeOfPointer);
- Assert.AreEqual(32, info.SizeOfOffset);
- }
- #endregion
- }
-
- [TestFixture]
- public class DeflateInflateTests
- {
- #region Deflate tests
- [Test]
- public void Deflate_Init()
- {
- using (Deflater def = new Deflater(CompressLevel.Default))
- {
- }
- }
-
- private ArrayList compressedData = new ArrayList();
- private uint adler1;
-
- private ArrayList uncompressedData = new ArrayList();
- private uint adler2;
-
- public void CDataAvail(byte[] data, int startIndex, int count)
- {
- for (int i = 0; i < count; ++i)
- compressedData.Add(data[i+startIndex]);
- }
-
- [Test]
- public void Deflate_Compress()
- {
- compressedData.Clear();
-
- byte[] testData = new byte[35000];
- for (int i = 0; i < testData.Length; ++i)
- testData[i] = 5;
-
- using (Deflater def = new Deflater((CompressLevel)5))
- {
- def.DataAvailable += new DataAvailableHandler(CDataAvail);
- def.Add(testData);
- def.Finish();
- adler1 = def.Checksum;
- }
- }
- #endregion
-
- #region Inflate tests
- [Test]
- public void Inflate_Init()
- {
- using (Inflater inf = new Inflater())
- {
- }
- }
-
- private void DDataAvail(byte[] data, int startIndex, int count)
- {
- for (int i = 0; i < count; ++i)
- uncompressedData.Add(data[i+startIndex]);
- }
-
- [Test]
- public void Inflate_Expand()
- {
- uncompressedData.Clear();
-
- using (Inflater inf = new Inflater())
- {
- inf.DataAvailable += new DataAvailableHandler(DDataAvail);
- inf.Add((byte[])compressedData.ToArray(typeof(byte)));
- inf.Finish();
- adler2 = inf.Checksum;
- }
- Assert.AreEqual( adler1, adler2 );
- }
- #endregion
- }
-
- [TestFixture]
- public class GZipStreamTests
- {
- #region GZipStream test
- [Test]
- public void GZipStream_WriteRead()
- {
- using (GZipStream gzOut = new GZipStream("gzstream.gz", CompressLevel.Best))
- {
- BinaryWriter writer = new BinaryWriter(gzOut);
- writer.Write("hi there");
- writer.Write(Math.PI);
- writer.Write(42);
- }
-
- using (GZipStream gzIn = new GZipStream("gzstream.gz"))
- {
- BinaryReader reader = new BinaryReader(gzIn);
- string s = reader.ReadString();
- Assert.AreEqual("hi there",s);
- double d = reader.ReadDouble();
- Assert.AreEqual(Math.PI, d);
- int i = reader.ReadInt32();
- Assert.AreEqual(42,i);
- }
-
- }
- #endregion
- }
-}
-
-#endif
\ No newline at end of file
+++ /dev/null
-Boost Software License - Version 1.0 - August 17th, 2003
-
-Permission is hereby granted, free of charge, to any person or organization
-obtaining a copy of the software and accompanying documentation covered by
-this license (the "Software") to use, reproduce, display, distribute,
-execute, and transmit the Software, and to prepare derivative works of the
-Software, and to permit third-parties to whom the Software is furnished to
-do so, all subject to the following:
-
-The copyright notices in the Software and this entire statement, including
-the above license grant, this restriction and the following disclaimer,
-must be included in all copies of the Software, in whole or in part, and
-all derivative works of the Software, unless such copies or derivative
-works are solely in the form of machine-executable object code generated by
-a source language processor.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
-SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
-FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
\ No newline at end of file
+++ /dev/null
-This directory contains a .Net wrapper class library for the ZLib1.dll
-
-The wrapper includes support for inflating/deflating memory buffers,
-.Net streaming wrappers for the gz streams part of zlib, and wrappers
-for the checksum parts of zlib. See DotZLib/UnitTests.cs for examples.
-
-Directory structure:
---------------------
-
-LICENSE_1_0.txt - License file.
-readme.txt - This file.
-DotZLib.chm - Class library documentation
-DotZLib.build - NAnt build file
-DotZLib.sln - Microsoft Visual Studio 2003 solution file
-
-DotZLib\*.cs - Source files for the class library
-
-Unit tests:
------------
-The file DotZLib/UnitTests.cs contains unit tests for use with NUnit 2.1 or higher.
-To include unit tests in the build, define nunit before building.
-
-
-Build instructions:
--------------------
-
-1. Using Visual Studio.Net 2003:
- Open DotZLib.sln in VS.Net and build from there. Output file (DotZLib.dll)
- will be found ./DotZLib/bin/release or ./DotZLib/bin/debug, depending on
- you are building the release or debug version of the library. Check
- DotZLib/UnitTests.cs for instructions on how to include unit tests in the
- build.
-
-2. Using NAnt:
- Open a command prompt with access to the build environment and run nant
- in the same directory as the DotZLib.build file.
- You can define 2 properties on the nant command-line to control the build:
- debug={true|false} to toggle between release/debug builds (default=true).
- nunit={true|false} to include or esclude unit tests (default=true).
- Also the target clean will remove binaries.
- Output file (DotZLib.dll) will be found in either ./DotZLib/bin/release
- or ./DotZLib/bin/debug, depending on whether you are building the release
- or debug version of the library.
-
- Examples:
- nant -D:debug=false -D:nunit=false
- will build a release mode version of the library without unit tests.
- nant
- will build a debug version of the library with unit tests
- nant clean
- will remove all previously built files.
-
-
----------------------------------
-Copyright (c) Henrik Ravn 2004
-
-Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-(See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+++ /dev/null
-See infback9.h for what this is and how to use it.
+++ /dev/null
-/* infback9.c -- inflate deflate64 data using a call-back interface
- * Copyright (C) 1995-2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-#include "zutil.h"
-#include "infback9.h"
-#include "inftree9.h"
-#include "inflate9.h"
-
-#define WSIZE 65536UL
-
-/*
- strm provides memory allocation functions in zalloc and zfree, or
- Z_NULL to use the library memory allocation functions.
-
- window is a user-supplied window and output buffer that is 64K bytes.
- */
-int ZEXPORT inflateBack9Init_(strm, window, version, stream_size)
-z_stream FAR *strm;
-unsigned char FAR *window;
-const char *version;
-int stream_size;
-{
- struct inflate_state FAR *state;
-
- if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
- stream_size != (int)(sizeof(z_stream)))
- return Z_VERSION_ERROR;
- if (strm == Z_NULL || window == Z_NULL)
- return Z_STREAM_ERROR;
- strm->msg = Z_NULL; /* in case we return an error */
- if (strm->zalloc == (alloc_func)0) {
- strm->zalloc = zcalloc;
- strm->opaque = (voidpf)0;
- }
- if (strm->zfree == (free_func)0) strm->zfree = zcfree;
- state = (struct inflate_state FAR *)ZALLOC(strm, 1,
- sizeof(struct inflate_state));
- if (state == Z_NULL) return Z_MEM_ERROR;
- Tracev((stderr, "inflate: allocated\n"));
- strm->state = (voidpf)state;
- state->window = window;
- return Z_OK;
-}
-
-/*
- Build and output length and distance decoding tables for fixed code
- decoding.
- */
-#ifdef MAKEFIXED
-#include <stdio.h>
-
-void makefixed9(void)
-{
- unsigned sym, bits, low, size;
- code *next, *lenfix, *distfix;
- struct inflate_state state;
- code fixed[544];
-
- /* literal/length table */
- sym = 0;
- while (sym < 144) state.lens[sym++] = 8;
- while (sym < 256) state.lens[sym++] = 9;
- while (sym < 280) state.lens[sym++] = 7;
- while (sym < 288) state.lens[sym++] = 8;
- next = fixed;
- lenfix = next;
- bits = 9;
- inflate_table9(LENS, state.lens, 288, &(next), &(bits), state.work);
-
- /* distance table */
- sym = 0;
- while (sym < 32) state.lens[sym++] = 5;
- distfix = next;
- bits = 5;
- inflate_table9(DISTS, state.lens, 32, &(next), &(bits), state.work);
-
- /* write tables */
- puts(" /* inffix9.h -- table for decoding deflate64 fixed codes");
- puts(" * Generated automatically by makefixed9().");
- puts(" */");
- puts("");
- puts(" /* WARNING: this file should *not* be used by applications.");
- puts(" It is part of the implementation of this library and is");
- puts(" subject to change. Applications should only use zlib.h.");
- puts(" */");
- puts("");
- size = 1U << 9;
- printf(" static const code lenfix[%u] = {", size);
- low = 0;
- for (;;) {
- if ((low % 6) == 0) printf("\n ");
- printf("{%u,%u,%d}", lenfix[low].op, lenfix[low].bits,
- lenfix[low].val);
- if (++low == size) break;
- putchar(',');
- }
- puts("\n };");
- size = 1U << 5;
- printf("\n static const code distfix[%u] = {", size);
- low = 0;
- for (;;) {
- if ((low % 5) == 0) printf("\n ");
- printf("{%u,%u,%d}", distfix[low].op, distfix[low].bits,
- distfix[low].val);
- if (++low == size) break;
- putchar(',');
- }
- puts("\n };");
-}
-#endif /* MAKEFIXED */
-
-/* Macros for inflateBack(): */
-
-/* Clear the input bit accumulator */
-#define INITBITS() \
- do { \
- hold = 0; \
- bits = 0; \
- } while (0)
-
-/* Assure that some input is available. If input is requested, but denied,
- then return a Z_BUF_ERROR from inflateBack(). */
-#define PULL() \
- do { \
- if (have == 0) { \
- have = in(in_desc, &next); \
- if (have == 0) { \
- next = Z_NULL; \
- ret = Z_BUF_ERROR; \
- goto inf_leave; \
- } \
- } \
- } while (0)
-
-/* Get a byte of input into the bit accumulator, or return from inflateBack()
- with an error if there is no input available. */
-#define PULLBYTE() \
- do { \
- PULL(); \
- have--; \
- hold += (unsigned long)(*next++) << bits; \
- bits += 8; \
- } while (0)
-
-/* Assure that there are at least n bits in the bit accumulator. If there is
- not enough available input to do that, then return from inflateBack() with
- an error. */
-#define NEEDBITS(n) \
- do { \
- while (bits < (unsigned)(n)) \
- PULLBYTE(); \
- } while (0)
-
-/* Return the low n bits of the bit accumulator (n <= 16) */
-#define BITS(n) \
- ((unsigned)hold & ((1U << (n)) - 1))
-
-/* Remove n bits from the bit accumulator */
-#define DROPBITS(n) \
- do { \
- hold >>= (n); \
- bits -= (unsigned)(n); \
- } while (0)
-
-/* Remove zero to seven bits as needed to go to a byte boundary */
-#define BYTEBITS() \
- do { \
- hold >>= bits & 7; \
- bits -= bits & 7; \
- } while (0)
-
-/* Assure that some output space is available, by writing out the window
- if it's full. If the write fails, return from inflateBack() with a
- Z_BUF_ERROR. */
-#define ROOM() \
- do { \
- if (left == 0) { \
- put = window; \
- left = WSIZE; \
- wrap = 1; \
- if (out(out_desc, put, (unsigned)left)) { \
- ret = Z_BUF_ERROR; \
- goto inf_leave; \
- } \
- } \
- } while (0)
-
-/*
- strm provides the memory allocation functions and window buffer on input,
- and provides information on the unused input on return. For Z_DATA_ERROR
- returns, strm will also provide an error message.
-
- in() and out() are the call-back input and output functions. When
- inflateBack() needs more input, it calls in(). When inflateBack() has
- filled the window with output, or when it completes with data in the
- window, it calls out() to write out the data. The application must not
- change the provided input until in() is called again or inflateBack()
- returns. The application must not change the window/output buffer until
- inflateBack() returns.
-
- in() and out() are called with a descriptor parameter provided in the
- inflateBack() call. This parameter can be a structure that provides the
- information required to do the read or write, as well as accumulated
- information on the input and output such as totals and check values.
-
- in() should return zero on failure. out() should return non-zero on
- failure. If either in() or out() fails, than inflateBack() returns a
- Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it
- was in() or out() that caused in the error. Otherwise, inflateBack()
- returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format
- error, or Z_MEM_ERROR if it could not allocate memory for the state.
- inflateBack() can also return Z_STREAM_ERROR if the input parameters
- are not correct, i.e. strm is Z_NULL or the state was not initialized.
- */
-int ZEXPORT inflateBack9(strm, in, in_desc, out, out_desc)
-z_stream FAR *strm;
-in_func in;
-void FAR *in_desc;
-out_func out;
-void FAR *out_desc;
-{
- struct inflate_state FAR *state;
- unsigned char FAR *next; /* next input */
- unsigned char FAR *put; /* next output */
- unsigned have; /* available input */
- unsigned long left; /* available output */
- inflate_mode mode; /* current inflate mode */
- int lastblock; /* true if processing last block */
- int wrap; /* true if the window has wrapped */
- unsigned long write; /* window write index */
- unsigned char FAR *window; /* allocated sliding window, if needed */
- unsigned long hold; /* bit buffer */
- unsigned bits; /* bits in bit buffer */
- unsigned extra; /* extra bits needed */
- unsigned long length; /* literal or length of data to copy */
- unsigned long offset; /* distance back to copy string from */
- unsigned long copy; /* number of stored or match bytes to copy */
- unsigned char FAR *from; /* where to copy match bytes from */
- code const FAR *lencode; /* starting table for length/literal codes */
- code const FAR *distcode; /* starting table for distance codes */
- unsigned lenbits; /* index bits for lencode */
- unsigned distbits; /* index bits for distcode */
- code this; /* current decoding table entry */
- code last; /* parent table entry */
- unsigned len; /* length to copy for repeats, bits to drop */
- int ret; /* return code */
- static const unsigned short order[19] = /* permutation of code lengths */
- {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
-#include "inffix9.h"
-
- /* Check that the strm exists and that the state was initialized */
- if (strm == Z_NULL || strm->state == Z_NULL)
- return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
-
- /* Reset the state */
- strm->msg = Z_NULL;
- mode = TYPE;
- lastblock = 0;
- write = 0;
- wrap = 0;
- window = state->window;
- next = strm->next_in;
- have = next != Z_NULL ? strm->avail_in : 0;
- hold = 0;
- bits = 0;
- put = window;
- left = WSIZE;
- lencode = Z_NULL;
- distcode = Z_NULL;
-
- /* Inflate until end of block marked as last */
- for (;;)
- switch (mode) {
- case TYPE:
- /* determine and dispatch block type */
- if (lastblock) {
- BYTEBITS();
- mode = DONE;
- break;
- }
- NEEDBITS(3);
- lastblock = BITS(1);
- DROPBITS(1);
- switch (BITS(2)) {
- case 0: /* stored block */
- Tracev((stderr, "inflate: stored block%s\n",
- lastblock ? " (last)" : ""));
- mode = STORED;
- break;
- case 1: /* fixed block */
- lencode = lenfix;
- lenbits = 9;
- distcode = distfix;
- distbits = 5;
- Tracev((stderr, "inflate: fixed codes block%s\n",
- lastblock ? " (last)" : ""));
- mode = LEN; /* decode codes */
- break;
- case 2: /* dynamic block */
- Tracev((stderr, "inflate: dynamic codes block%s\n",
- lastblock ? " (last)" : ""));
- mode = TABLE;
- break;
- case 3:
- strm->msg = (char *)"invalid block type";
- mode = BAD;
- }
- DROPBITS(2);
- break;
-
- case STORED:
- /* get and verify stored block length */
- BYTEBITS(); /* go to byte boundary */
- NEEDBITS(32);
- if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) {
- strm->msg = (char *)"invalid stored block lengths";
- mode = BAD;
- break;
- }
- length = (unsigned)hold & 0xffff;
- Tracev((stderr, "inflate: stored length %lu\n",
- length));
- INITBITS();
-
- /* copy stored block from input to output */
- while (length != 0) {
- copy = length;
- PULL();
- ROOM();
- if (copy > have) copy = have;
- if (copy > left) copy = left;
- zmemcpy(put, next, copy);
- have -= copy;
- next += copy;
- left -= copy;
- put += copy;
- length -= copy;
- }
- Tracev((stderr, "inflate: stored end\n"));
- mode = TYPE;
- break;
-
- case TABLE:
- /* get dynamic table entries descriptor */
- NEEDBITS(14);
- state->nlen = BITS(5) + 257;
- DROPBITS(5);
- state->ndist = BITS(5) + 1;
- DROPBITS(5);
- state->ncode = BITS(4) + 4;
- DROPBITS(4);
- if (state->nlen > 286) {
- strm->msg = (char *)"too many length symbols";
- mode = BAD;
- break;
- }
- Tracev((stderr, "inflate: table sizes ok\n"));
-
- /* get code length code lengths (not a typo) */
- state->have = 0;
- while (state->have < state->ncode) {
- NEEDBITS(3);
- state->lens[order[state->have++]] = (unsigned short)BITS(3);
- DROPBITS(3);
- }
- while (state->have < 19)
- state->lens[order[state->have++]] = 0;
- state->next = state->codes;
- lencode = (code const FAR *)(state->next);
- lenbits = 7;
- ret = inflate_table9(CODES, state->lens, 19, &(state->next),
- &(lenbits), state->work);
- if (ret) {
- strm->msg = (char *)"invalid code lengths set";
- mode = BAD;
- break;
- }
- Tracev((stderr, "inflate: code lengths ok\n"));
-
- /* get length and distance code code lengths */
- state->have = 0;
- while (state->have < state->nlen + state->ndist) {
- for (;;) {
- this = lencode[BITS(lenbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if (this.val < 16) {
- NEEDBITS(this.bits);
- DROPBITS(this.bits);
- state->lens[state->have++] = this.val;
- }
- else {
- if (this.val == 16) {
- NEEDBITS(this.bits + 2);
- DROPBITS(this.bits);
- if (state->have == 0) {
- strm->msg = (char *)"invalid bit length repeat";
- mode = BAD;
- break;
- }
- len = (unsigned)(state->lens[state->have - 1]);
- copy = 3 + BITS(2);
- DROPBITS(2);
- }
- else if (this.val == 17) {
- NEEDBITS(this.bits + 3);
- DROPBITS(this.bits);
- len = 0;
- copy = 3 + BITS(3);
- DROPBITS(3);
- }
- else {
- NEEDBITS(this.bits + 7);
- DROPBITS(this.bits);
- len = 0;
- copy = 11 + BITS(7);
- DROPBITS(7);
- }
- if (state->have + copy > state->nlen + state->ndist) {
- strm->msg = (char *)"invalid bit length repeat";
- mode = BAD;
- break;
- }
- while (copy--)
- state->lens[state->have++] = (unsigned short)len;
- }
- }
-
- /* handle error breaks in while */
- if (mode == BAD) break;
-
- /* build code tables */
- state->next = state->codes;
- lencode = (code const FAR *)(state->next);
- lenbits = 9;
- ret = inflate_table9(LENS, state->lens, state->nlen,
- &(state->next), &(lenbits), state->work);
- if (ret) {
- strm->msg = (char *)"invalid literal/lengths set";
- mode = BAD;
- break;
- }
- distcode = (code const FAR *)(state->next);
- distbits = 6;
- ret = inflate_table9(DISTS, state->lens + state->nlen,
- state->ndist, &(state->next), &(distbits),
- state->work);
- if (ret) {
- strm->msg = (char *)"invalid distances set";
- mode = BAD;
- break;
- }
- Tracev((stderr, "inflate: codes ok\n"));
- mode = LEN;
-
- case LEN:
- /* get a literal, length, or end-of-block code */
- for (;;) {
- this = lencode[BITS(lenbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if (this.op && (this.op & 0xf0) == 0) {
- last = this;
- for (;;) {
- this = lencode[last.val +
- (BITS(last.bits + last.op) >> last.bits)];
- if ((unsigned)(last.bits + this.bits) <= bits) break;
- PULLBYTE();
- }
- DROPBITS(last.bits);
- }
- DROPBITS(this.bits);
- length = (unsigned)this.val;
-
- /* process literal */
- if (this.op == 0) {
- Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ?
- "inflate: literal '%c'\n" :
- "inflate: literal 0x%02x\n", this.val));
- ROOM();
- *put++ = (unsigned char)(length);
- left--;
- mode = LEN;
- break;
- }
-
- /* process end of block */
- if (this.op & 32) {
- Tracevv((stderr, "inflate: end of block\n"));
- mode = TYPE;
- break;
- }
-
- /* invalid code */
- if (this.op & 64) {
- strm->msg = (char *)"invalid literal/length code";
- mode = BAD;
- break;
- }
-
- /* length code -- get extra bits, if any */
- extra = (unsigned)(this.op) & 31;
- if (extra != 0) {
- NEEDBITS(extra);
- length += BITS(extra);
- DROPBITS(extra);
- }
- Tracevv((stderr, "inflate: length %lu\n", length));
-
- /* get distance code */
- for (;;) {
- this = distcode[BITS(distbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if ((this.op & 0xf0) == 0) {
- last = this;
- for (;;) {
- this = distcode[last.val +
- (BITS(last.bits + last.op) >> last.bits)];
- if ((unsigned)(last.bits + this.bits) <= bits) break;
- PULLBYTE();
- }
- DROPBITS(last.bits);
- }
- DROPBITS(this.bits);
- if (this.op & 64) {
- strm->msg = (char *)"invalid distance code";
- mode = BAD;
- break;
- }
- offset = (unsigned)this.val;
-
- /* get distance extra bits, if any */
- extra = (unsigned)(this.op) & 15;
- if (extra != 0) {
- NEEDBITS(extra);
- offset += BITS(extra);
- DROPBITS(extra);
- }
- if (offset > WSIZE - (wrap ? 0: left)) {
- strm->msg = (char *)"invalid distance too far back";
- mode = BAD;
- break;
- }
- Tracevv((stderr, "inflate: distance %lu\n", offset));
-
- /* copy match from window to output */
- do {
- ROOM();
- copy = WSIZE - offset;
- if (copy < left) {
- from = put + copy;
- copy = left - copy;
- }
- else {
- from = put - offset;
- copy = left;
- }
- if (copy > length) copy = length;
- length -= copy;
- left -= copy;
- do {
- *put++ = *from++;
- } while (--copy);
- } while (length != 0);
- break;
-
- case DONE:
- /* inflate stream terminated properly -- write leftover output */
- ret = Z_STREAM_END;
- if (left < WSIZE) {
- if (out(out_desc, window, (unsigned)(WSIZE - left)))
- ret = Z_BUF_ERROR;
- }
- goto inf_leave;
-
- case BAD:
- ret = Z_DATA_ERROR;
- goto inf_leave;
-
- default: /* can't happen, but makes compilers happy */
- ret = Z_STREAM_ERROR;
- goto inf_leave;
- }
-
- /* Return unused input */
- inf_leave:
- strm->next_in = next;
- strm->avail_in = have;
- return ret;
-}
-
-int ZEXPORT inflateBack9End(strm)
-z_stream FAR *strm;
-{
- if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
- return Z_STREAM_ERROR;
- ZFREE(strm, strm->state);
- strm->state = Z_NULL;
- Tracev((stderr, "inflate: end\n"));
- return Z_OK;
-}
+++ /dev/null
-/* infback9.h -- header for using inflateBack9 functions
- * Copyright (C) 2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/*
- * This header file and associated patches provide a decoder for PKWare's
- * undocumented deflate64 compression method (method 9). Use with infback9.c,
- * inftree9.h, inftree9.c, and inffix9.h. These patches are not supported.
- * This should be compiled with zlib, since it uses zutil.h and zutil.o.
- * This code has not yet been tested on 16-bit architectures. See the
- * comments in zlib.h for inflateBack() usage. These functions are used
- * identically, except that there is no windowBits parameter, and a 64K
- * window must be provided. Also if int's are 16 bits, then a zero for
- * the third parameter of the "out" function actually means 65536UL.
- * zlib.h must be included before this header file.
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-ZEXTERN int ZEXPORT inflateBack9 OF((z_stream FAR *strm,
- in_func in, void FAR *in_desc,
- out_func out, void FAR *out_desc));
-ZEXTERN int ZEXPORT inflateBack9End OF((z_stream FAR *strm));
-ZEXTERN int ZEXPORT inflateBack9Init_ OF((z_stream FAR *strm,
- unsigned char FAR *window,
- const char *version,
- int stream_size));
-#define inflateBack9Init(strm, window) \
- inflateBack9Init_((strm), (window), \
- ZLIB_VERSION, sizeof(z_stream))
-
-#ifdef __cplusplus
-}
-#endif
+++ /dev/null
- /* inffix9.h -- table for decoding deflate64 fixed codes
- * Generated automatically by makefixed9().
- */
-
- /* WARNING: this file should *not* be used by applications.
- It is part of the implementation of this library and is
- subject to change. Applications should only use zlib.h.
- */
-
- static const code lenfix[512] = {
- {96,7,0},{0,8,80},{0,8,16},{132,8,115},{130,7,31},{0,8,112},
- {0,8,48},{0,9,192},{128,7,10},{0,8,96},{0,8,32},{0,9,160},
- {0,8,0},{0,8,128},{0,8,64},{0,9,224},{128,7,6},{0,8,88},
- {0,8,24},{0,9,144},{131,7,59},{0,8,120},{0,8,56},{0,9,208},
- {129,7,17},{0,8,104},{0,8,40},{0,9,176},{0,8,8},{0,8,136},
- {0,8,72},{0,9,240},{128,7,4},{0,8,84},{0,8,20},{133,8,227},
- {131,7,43},{0,8,116},{0,8,52},{0,9,200},{129,7,13},{0,8,100},
- {0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},
- {128,7,8},{0,8,92},{0,8,28},{0,9,152},{132,7,83},{0,8,124},
- {0,8,60},{0,9,216},{130,7,23},{0,8,108},{0,8,44},{0,9,184},
- {0,8,12},{0,8,140},{0,8,76},{0,9,248},{128,7,3},{0,8,82},
- {0,8,18},{133,8,163},{131,7,35},{0,8,114},{0,8,50},{0,9,196},
- {129,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2},{0,8,130},
- {0,8,66},{0,9,228},{128,7,7},{0,8,90},{0,8,26},{0,9,148},
- {132,7,67},{0,8,122},{0,8,58},{0,9,212},{130,7,19},{0,8,106},
- {0,8,42},{0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},
- {128,7,5},{0,8,86},{0,8,22},{65,8,0},{131,7,51},{0,8,118},
- {0,8,54},{0,9,204},{129,7,15},{0,8,102},{0,8,38},{0,9,172},
- {0,8,6},{0,8,134},{0,8,70},{0,9,236},{128,7,9},{0,8,94},
- {0,8,30},{0,9,156},{132,7,99},{0,8,126},{0,8,62},{0,9,220},
- {130,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142},
- {0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{133,8,131},
- {130,7,31},{0,8,113},{0,8,49},{0,9,194},{128,7,10},{0,8,97},
- {0,8,33},{0,9,162},{0,8,1},{0,8,129},{0,8,65},{0,9,226},
- {128,7,6},{0,8,89},{0,8,25},{0,9,146},{131,7,59},{0,8,121},
- {0,8,57},{0,9,210},{129,7,17},{0,8,105},{0,8,41},{0,9,178},
- {0,8,9},{0,8,137},{0,8,73},{0,9,242},{128,7,4},{0,8,85},
- {0,8,21},{144,8,3},{131,7,43},{0,8,117},{0,8,53},{0,9,202},
- {129,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},
- {0,8,69},{0,9,234},{128,7,8},{0,8,93},{0,8,29},{0,9,154},
- {132,7,83},{0,8,125},{0,8,61},{0,9,218},{130,7,23},{0,8,109},
- {0,8,45},{0,9,186},{0,8,13},{0,8,141},{0,8,77},{0,9,250},
- {128,7,3},{0,8,83},{0,8,19},{133,8,195},{131,7,35},{0,8,115},
- {0,8,51},{0,9,198},{129,7,11},{0,8,99},{0,8,35},{0,9,166},
- {0,8,3},{0,8,131},{0,8,67},{0,9,230},{128,7,7},{0,8,91},
- {0,8,27},{0,9,150},{132,7,67},{0,8,123},{0,8,59},{0,9,214},
- {130,7,19},{0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},
- {0,8,75},{0,9,246},{128,7,5},{0,8,87},{0,8,23},{77,8,0},
- {131,7,51},{0,8,119},{0,8,55},{0,9,206},{129,7,15},{0,8,103},
- {0,8,39},{0,9,174},{0,8,7},{0,8,135},{0,8,71},{0,9,238},
- {128,7,9},{0,8,95},{0,8,31},{0,9,158},{132,7,99},{0,8,127},
- {0,8,63},{0,9,222},{130,7,27},{0,8,111},{0,8,47},{0,9,190},
- {0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},
- {0,8,16},{132,8,115},{130,7,31},{0,8,112},{0,8,48},{0,9,193},
- {128,7,10},{0,8,96},{0,8,32},{0,9,161},{0,8,0},{0,8,128},
- {0,8,64},{0,9,225},{128,7,6},{0,8,88},{0,8,24},{0,9,145},
- {131,7,59},{0,8,120},{0,8,56},{0,9,209},{129,7,17},{0,8,104},
- {0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72},{0,9,241},
- {128,7,4},{0,8,84},{0,8,20},{133,8,227},{131,7,43},{0,8,116},
- {0,8,52},{0,9,201},{129,7,13},{0,8,100},{0,8,36},{0,9,169},
- {0,8,4},{0,8,132},{0,8,68},{0,9,233},{128,7,8},{0,8,92},
- {0,8,28},{0,9,153},{132,7,83},{0,8,124},{0,8,60},{0,9,217},
- {130,7,23},{0,8,108},{0,8,44},{0,9,185},{0,8,12},{0,8,140},
- {0,8,76},{0,9,249},{128,7,3},{0,8,82},{0,8,18},{133,8,163},
- {131,7,35},{0,8,114},{0,8,50},{0,9,197},{129,7,11},{0,8,98},
- {0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229},
- {128,7,7},{0,8,90},{0,8,26},{0,9,149},{132,7,67},{0,8,122},
- {0,8,58},{0,9,213},{130,7,19},{0,8,106},{0,8,42},{0,9,181},
- {0,8,10},{0,8,138},{0,8,74},{0,9,245},{128,7,5},{0,8,86},
- {0,8,22},{65,8,0},{131,7,51},{0,8,118},{0,8,54},{0,9,205},
- {129,7,15},{0,8,102},{0,8,38},{0,9,173},{0,8,6},{0,8,134},
- {0,8,70},{0,9,237},{128,7,9},{0,8,94},{0,8,30},{0,9,157},
- {132,7,99},{0,8,126},{0,8,62},{0,9,221},{130,7,27},{0,8,110},
- {0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},
- {96,7,0},{0,8,81},{0,8,17},{133,8,131},{130,7,31},{0,8,113},
- {0,8,49},{0,9,195},{128,7,10},{0,8,97},{0,8,33},{0,9,163},
- {0,8,1},{0,8,129},{0,8,65},{0,9,227},{128,7,6},{0,8,89},
- {0,8,25},{0,9,147},{131,7,59},{0,8,121},{0,8,57},{0,9,211},
- {129,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9},{0,8,137},
- {0,8,73},{0,9,243},{128,7,4},{0,8,85},{0,8,21},{144,8,3},
- {131,7,43},{0,8,117},{0,8,53},{0,9,203},{129,7,13},{0,8,101},
- {0,8,37},{0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},
- {128,7,8},{0,8,93},{0,8,29},{0,9,155},{132,7,83},{0,8,125},
- {0,8,61},{0,9,219},{130,7,23},{0,8,109},{0,8,45},{0,9,187},
- {0,8,13},{0,8,141},{0,8,77},{0,9,251},{128,7,3},{0,8,83},
- {0,8,19},{133,8,195},{131,7,35},{0,8,115},{0,8,51},{0,9,199},
- {129,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131},
- {0,8,67},{0,9,231},{128,7,7},{0,8,91},{0,8,27},{0,9,151},
- {132,7,67},{0,8,123},{0,8,59},{0,9,215},{130,7,19},{0,8,107},
- {0,8,43},{0,9,183},{0,8,11},{0,8,139},{0,8,75},{0,9,247},
- {128,7,5},{0,8,87},{0,8,23},{77,8,0},{131,7,51},{0,8,119},
- {0,8,55},{0,9,207},{129,7,15},{0,8,103},{0,8,39},{0,9,175},
- {0,8,7},{0,8,135},{0,8,71},{0,9,239},{128,7,9},{0,8,95},
- {0,8,31},{0,9,159},{132,7,99},{0,8,127},{0,8,63},{0,9,223},
- {130,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},
- {0,8,79},{0,9,255}
- };
-
- static const code distfix[32] = {
- {128,5,1},{135,5,257},{131,5,17},{139,5,4097},{129,5,5},
- {137,5,1025},{133,5,65},{141,5,16385},{128,5,3},{136,5,513},
- {132,5,33},{140,5,8193},{130,5,9},{138,5,2049},{134,5,129},
- {142,5,32769},{128,5,2},{135,5,385},{131,5,25},{139,5,6145},
- {129,5,7},{137,5,1537},{133,5,97},{141,5,24577},{128,5,4},
- {136,5,769},{132,5,49},{140,5,12289},{130,5,13},{138,5,3073},
- {134,5,193},{142,5,49153}
- };
+++ /dev/null
-/* inflate9.h -- internal inflate state definition
- * Copyright (C) 1995-2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
- part of the implementation of the compression library and is
- subject to change. Applications should only use zlib.h.
- */
-
-/* Possible inflate modes between inflate() calls */
-typedef enum {
- TYPE, /* i: waiting for type bits, including last-flag bit */
- STORED, /* i: waiting for stored size (length and complement) */
- TABLE, /* i: waiting for dynamic block table lengths */
- LEN, /* i: waiting for length/lit code */
- DONE, /* finished check, done -- remain here until reset */
- BAD /* got a data error -- remain here until reset */
-} inflate_mode;
-
-/*
- State transitions between above modes -
-
- (most modes can go to the BAD mode -- not shown for clarity)
-
- Read deflate blocks:
- TYPE -> STORED or TABLE or LEN or DONE
- STORED -> TYPE
- TABLE -> LENLENS -> CODELENS -> LEN
- Read deflate codes:
- LEN -> LEN or TYPE
- */
-
-/* state maintained between inflate() calls. Approximately 7K bytes. */
-struct inflate_state {
- /* sliding window */
- unsigned char FAR *window; /* allocated sliding window, if needed */
- /* dynamic table building */
- unsigned ncode; /* number of code length code lengths */
- unsigned nlen; /* number of length code lengths */
- unsigned ndist; /* number of distance code lengths */
- unsigned have; /* number of code lengths in lens[] */
- code FAR *next; /* next available space in codes[] */
- unsigned short lens[320]; /* temporary storage for code lengths */
- unsigned short work[288]; /* work area for code table building */
- code codes[ENOUGH]; /* space for code tables */
-};
+++ /dev/null
-/* inftree9.c -- generate Huffman trees for efficient decoding
- * Copyright (C) 1995-2005 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-#include "zutil.h"
-#include "inftree9.h"
-
-#define MAXBITS 15
-
-const char inflate9_copyright[] =
- " inflate9 1.2.3 Copyright 1995-2005 Mark Adler ";
-/*
- If you use the zlib library in a product, an acknowledgment is welcome
- in the documentation of your product. If for some reason you cannot
- include such an acknowledgment, I would appreciate that you keep this
- copyright string in the executable of your product.
- */
-
-/*
- Build a set of tables to decode the provided canonical Huffman code.
- The code lengths are lens[0..codes-1]. The result starts at *table,
- whose indices are 0..2^bits-1. work is a writable array of at least
- lens shorts, which is used as a work area. type is the type of code
- to be generated, CODES, LENS, or DISTS. On return, zero is success,
- -1 is an invalid code, and +1 means that ENOUGH isn't enough. table
- on return points to the next available entry's address. bits is the
- requested root table index bits, and on return it is the actual root
- table index bits. It will differ if the request is greater than the
- longest code or if it is less than the shortest code.
- */
-int inflate_table9(type, lens, codes, table, bits, work)
-codetype type;
-unsigned short FAR *lens;
-unsigned codes;
-code FAR * FAR *table;
-unsigned FAR *bits;
-unsigned short FAR *work;
-{
- unsigned len; /* a code's length in bits */
- unsigned sym; /* index of code symbols */
- unsigned min, max; /* minimum and maximum code lengths */
- unsigned root; /* number of index bits for root table */
- unsigned curr; /* number of index bits for current table */
- unsigned drop; /* code bits to drop for sub-table */
- int left; /* number of prefix codes available */
- unsigned used; /* code entries in table used */
- unsigned huff; /* Huffman code */
- unsigned incr; /* for incrementing code, index */
- unsigned fill; /* index for replicating entries */
- unsigned low; /* low bits for current root entry */
- unsigned mask; /* mask for low root bits */
- code this; /* table entry for duplication */
- code FAR *next; /* next available space in table */
- const unsigned short FAR *base; /* base value table to use */
- const unsigned short FAR *extra; /* extra bits table to use */
- int end; /* use base and extra for symbol > end */
- unsigned short count[MAXBITS+1]; /* number of codes of each length */
- unsigned short offs[MAXBITS+1]; /* offsets in table for each length */
- static const unsigned short lbase[31] = { /* Length codes 257..285 base */
- 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17,
- 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115,
- 131, 163, 195, 227, 3, 0, 0};
- static const unsigned short lext[31] = { /* Length codes 257..285 extra */
- 128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129,
- 130, 130, 130, 130, 131, 131, 131, 131, 132, 132, 132, 132,
- 133, 133, 133, 133, 144, 201, 196};
- static const unsigned short dbase[32] = { /* Distance codes 0..31 base */
- 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49,
- 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073,
- 4097, 6145, 8193, 12289, 16385, 24577, 32769, 49153};
- static const unsigned short dext[32] = { /* Distance codes 0..31 extra */
- 128, 128, 128, 128, 129, 129, 130, 130, 131, 131, 132, 132,
- 133, 133, 134, 134, 135, 135, 136, 136, 137, 137, 138, 138,
- 139, 139, 140, 140, 141, 141, 142, 142};
-
- /*
- Process a set of code lengths to create a canonical Huffman code. The
- code lengths are lens[0..codes-1]. Each length corresponds to the
- symbols 0..codes-1. The Huffman code is generated by first sorting the
- symbols by length from short to long, and retaining the symbol order
- for codes with equal lengths. Then the code starts with all zero bits
- for the first code of the shortest length, and the codes are integer
- increments for the same length, and zeros are appended as the length
- increases. For the deflate format, these bits are stored backwards
- from their more natural integer increment ordering, and so when the
- decoding tables are built in the large loop below, the integer codes
- are incremented backwards.
-
- This routine assumes, but does not check, that all of the entries in
- lens[] are in the range 0..MAXBITS. The caller must assure this.
- 1..MAXBITS is interpreted as that code length. zero means that that
- symbol does not occur in this code.
-
- The codes are sorted by computing a count of codes for each length,
- creating from that a table of starting indices for each length in the
- sorted table, and then entering the symbols in order in the sorted
- table. The sorted table is work[], with that space being provided by
- the caller.
-
- The length counts are used for other purposes as well, i.e. finding
- the minimum and maximum length codes, determining if there are any
- codes at all, checking for a valid set of lengths, and looking ahead
- at length counts to determine sub-table sizes when building the
- decoding tables.
- */
-
- /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */
- for (len = 0; len <= MAXBITS; len++)
- count[len] = 0;
- for (sym = 0; sym < codes; sym++)
- count[lens[sym]]++;
-
- /* bound code lengths, force root to be within code lengths */
- root = *bits;
- for (max = MAXBITS; max >= 1; max--)
- if (count[max] != 0) break;
- if (root > max) root = max;
- if (max == 0) return -1; /* no codes! */
- for (min = 1; min <= MAXBITS; min++)
- if (count[min] != 0) break;
- if (root < min) root = min;
-
- /* check for an over-subscribed or incomplete set of lengths */
- left = 1;
- for (len = 1; len <= MAXBITS; len++) {
- left <<= 1;
- left -= count[len];
- if (left < 0) return -1; /* over-subscribed */
- }
- if (left > 0 && (type == CODES || max != 1))
- return -1; /* incomplete set */
-
- /* generate offsets into symbol table for each length for sorting */
- offs[1] = 0;
- for (len = 1; len < MAXBITS; len++)
- offs[len + 1] = offs[len] + count[len];
-
- /* sort symbols by length, by symbol order within each length */
- for (sym = 0; sym < codes; sym++)
- if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym;
-
- /*
- Create and fill in decoding tables. In this loop, the table being
- filled is at next and has curr index bits. The code being used is huff
- with length len. That code is converted to an index by dropping drop
- bits off of the bottom. For codes where len is less than drop + curr,
- those top drop + curr - len bits are incremented through all values to
- fill the table with replicated entries.
-
- root is the number of index bits for the root table. When len exceeds
- root, sub-tables are created pointed to by the root entry with an index
- of the low root bits of huff. This is saved in low to check for when a
- new sub-table should be started. drop is zero when the root table is
- being filled, and drop is root when sub-tables are being filled.
-
- When a new sub-table is needed, it is necessary to look ahead in the
- code lengths to determine what size sub-table is needed. The length
- counts are used for this, and so count[] is decremented as codes are
- entered in the tables.
-
- used keeps track of how many table entries have been allocated from the
- provided *table space. It is checked when a LENS table is being made
- against the space in *table, ENOUGH, minus the maximum space needed by
- the worst case distance code, MAXD. This should never happen, but the
- sufficiency of ENOUGH has not been proven exhaustively, hence the check.
- This assumes that when type == LENS, bits == 9.
-
- sym increments through all symbols, and the loop terminates when
- all codes of length max, i.e. all codes, have been processed. This
- routine permits incomplete codes, so another loop after this one fills
- in the rest of the decoding tables with invalid code markers.
- */
-
- /* set up for code type */
- switch (type) {
- case CODES:
- base = extra = work; /* dummy value--not used */
- end = 19;
- break;
- case LENS:
- base = lbase;
- base -= 257;
- extra = lext;
- extra -= 257;
- end = 256;
- break;
- default: /* DISTS */
- base = dbase;
- extra = dext;
- end = -1;
- }
-
- /* initialize state for loop */
- huff = 0; /* starting code */
- sym = 0; /* starting code symbol */
- len = min; /* starting code length */
- next = *table; /* current table to fill in */
- curr = root; /* current table index bits */
- drop = 0; /* current bits to drop from code for index */
- low = (unsigned)(-1); /* trigger new sub-table when len > root */
- used = 1U << root; /* use root table entries */
- mask = used - 1; /* mask for comparing low */
-
- /* check available table space */
- if (type == LENS && used >= ENOUGH - MAXD)
- return 1;
-
- /* process all codes and make table entries */
- for (;;) {
- /* create table entry */
- this.bits = (unsigned char)(len - drop);
- if ((int)(work[sym]) < end) {
- this.op = (unsigned char)0;
- this.val = work[sym];
- }
- else if ((int)(work[sym]) > end) {
- this.op = (unsigned char)(extra[work[sym]]);
- this.val = base[work[sym]];
- }
- else {
- this.op = (unsigned char)(32 + 64); /* end of block */
- this.val = 0;
- }
-
- /* replicate for those indices with low len bits equal to huff */
- incr = 1U << (len - drop);
- fill = 1U << curr;
- do {
- fill -= incr;
- next[(huff >> drop) + fill] = this;
- } while (fill != 0);
-
- /* backwards increment the len-bit code huff */
- incr = 1U << (len - 1);
- while (huff & incr)
- incr >>= 1;
- if (incr != 0) {
- huff &= incr - 1;
- huff += incr;
- }
- else
- huff = 0;
-
- /* go to next symbol, update count, len */
- sym++;
- if (--(count[len]) == 0) {
- if (len == max) break;
- len = lens[work[sym]];
- }
-
- /* create new sub-table if needed */
- if (len > root && (huff & mask) != low) {
- /* if first time, transition to sub-tables */
- if (drop == 0)
- drop = root;
-
- /* increment past last table */
- next += 1U << curr;
-
- /* determine length of next table */
- curr = len - drop;
- left = (int)(1 << curr);
- while (curr + drop < max) {
- left -= count[curr + drop];
- if (left <= 0) break;
- curr++;
- left <<= 1;
- }
-
- /* check for enough space */
- used += 1U << curr;
- if (type == LENS && used >= ENOUGH - MAXD)
- return 1;
-
- /* point entry in root table to sub-table */
- low = huff & mask;
- (*table)[low].op = (unsigned char)curr;
- (*table)[low].bits = (unsigned char)root;
- (*table)[low].val = (unsigned short)(next - *table);
- }
- }
-
- /*
- Fill in rest of table for incomplete codes. This loop is similar to the
- loop above in incrementing huff for table indices. It is assumed that
- len is equal to curr + drop, so there is no loop needed to increment
- through high index bits. When the current sub-table is filled, the loop
- drops back to the root table to fill in any remaining entries there.
- */
- this.op = (unsigned char)64; /* invalid code marker */
- this.bits = (unsigned char)(len - drop);
- this.val = (unsigned short)0;
- while (huff != 0) {
- /* when done with sub-table, drop back to root table */
- if (drop != 0 && (huff & mask) != low) {
- drop = 0;
- len = root;
- next = *table;
- curr = root;
- this.bits = (unsigned char)len;
- }
-
- /* put invalid code marker in table */
- next[huff >> drop] = this;
-
- /* backwards increment the len-bit code huff */
- incr = 1U << (len - 1);
- while (huff & incr)
- incr >>= 1;
- if (incr != 0) {
- huff &= incr - 1;
- huff += incr;
- }
- else
- huff = 0;
- }
-
- /* set return parameters */
- *table += used;
- *bits = root;
- return 0;
-}
+++ /dev/null
-/* inftree9.h -- header to use inftree9.c
- * Copyright (C) 1995-2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
- part of the implementation of the compression library and is
- subject to change. Applications should only use zlib.h.
- */
-
-/* Structure for decoding tables. Each entry provides either the
- information needed to do the operation requested by the code that
- indexed that table entry, or it provides a pointer to another
- table that indexes more bits of the code. op indicates whether
- the entry is a pointer to another table, a literal, a length or
- distance, an end-of-block, or an invalid code. For a table
- pointer, the low four bits of op is the number of index bits of
- that table. For a length or distance, the low four bits of op
- is the number of extra bits to get after the code. bits is
- the number of bits in this code or part of the code to drop off
- of the bit buffer. val is the actual byte to output in the case
- of a literal, the base length or distance, or the offset from
- the current table to the next table. Each entry is four bytes. */
-typedef struct {
- unsigned char op; /* operation, extra bits, table bits */
- unsigned char bits; /* bits in this part of the code */
- unsigned short val; /* offset in table or code value */
-} code;
-
-/* op values as set by inflate_table():
- 00000000 - literal
- 0000tttt - table link, tttt != 0 is the number of table index bits
- 100eeeee - length or distance, eeee is the number of extra bits
- 01100000 - end of block
- 01000000 - invalid code
- */
-
-/* Maximum size of dynamic tree. The maximum found in a long but non-
- exhaustive search was 1444 code structures (852 for length/literals
- and 592 for distances, the latter actually the result of an
- exhaustive search). The true maximum is not known, but the value
- below is more than safe. */
-#define ENOUGH 2048
-#define MAXD 592
-
-/* Type of code to build for inftable() */
-typedef enum {
- CODES,
- LENS,
- DISTS
-} codetype;
-
-extern int inflate_table9 OF((codetype type, unsigned short FAR *lens,
- unsigned codes, code FAR * FAR *table,
- unsigned FAR *bits, unsigned short FAR *work));
+++ /dev/null
-/* inffas86.c is a hand tuned assembler version of
- *
- * inffast.c -- fast decoding
- * Copyright (C) 1995-2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- *
- * Copyright (C) 2003 Chris Anderson <christop@charm.net>
- * Please use the copyright conditions above.
- *
- * Dec-29-2003 -- I added AMD64 inflate asm support. This version is also
- * slightly quicker on x86 systems because, instead of using rep movsb to copy
- * data, it uses rep movsw, which moves data in 2-byte chunks instead of single
- * bytes. I've tested the AMD64 code on a Fedora Core 1 + the x86_64 updates
- * from http://fedora.linux.duke.edu/fc1_x86_64
- * which is running on an Athlon 64 3000+ / Gigabyte GA-K8VT800M system with
- * 1GB ram. The 64-bit version is about 4% faster than the 32-bit version,
- * when decompressing mozilla-source-1.3.tar.gz.
- *
- * Mar-13-2003 -- Most of this is derived from inffast.S which is derived from
- * the gcc -S output of zlib-1.2.0/inffast.c. Zlib-1.2.0 is in beta release at
- * the moment. I have successfully compiled and tested this code with gcc2.96,
- * gcc3.2, icc5.0, msvc6.0. It is very close to the speed of inffast.S
- * compiled with gcc -DNO_MMX, but inffast.S is still faster on the P3 with MMX
- * enabled. I will attempt to merge the MMX code into this version. Newer
- * versions of this and inffast.S can be found at
- * http://www.eetbeetee.com/zlib/ and http://www.charm.net/~christop/zlib/
- */
-
-#include "zutil.h"
-#include "inftrees.h"
-#include "inflate.h"
-#include "inffast.h"
-
-/* Mark Adler's comments from inffast.c: */
-
-/*
- Decode literal, length, and distance codes and write out the resulting
- literal and match bytes until either not enough input or output is
- available, an end-of-block is encountered, or a data error is encountered.
- When large enough input and output buffers are supplied to inflate(), for
- example, a 16K input buffer and a 64K output buffer, more than 95% of the
- inflate execution time is spent in this routine.
-
- Entry assumptions:
-
- state->mode == LEN
- strm->avail_in >= 6
- strm->avail_out >= 258
- start >= strm->avail_out
- state->bits < 8
-
- On return, state->mode is one of:
-
- LEN -- ran out of enough output space or enough available input
- TYPE -- reached end of block code, inflate() to interpret next block
- BAD -- error in block data
-
- Notes:
-
- - The maximum input bits used by a length/distance pair is 15 bits for the
- length code, 5 bits for the length extra, 15 bits for the distance code,
- and 13 bits for the distance extra. This totals 48 bits, or six bytes.
- Therefore if strm->avail_in >= 6, then there is enough input to avoid
- checking for available input while decoding.
-
- - The maximum bytes that a single length/distance pair can output is 258
- bytes, which is the maximum length that can be coded. inflate_fast()
- requires strm->avail_out >= 258 for each loop to avoid checking for
- output space.
- */
-void inflate_fast(strm, start)
-z_streamp strm;
-unsigned start; /* inflate()'s starting value for strm->avail_out */
-{
- struct inflate_state FAR *state;
- struct inffast_ar {
-/* 64 32 x86 x86_64 */
-/* ar offset register */
-/* 0 0 */ void *esp; /* esp save */
-/* 8 4 */ void *ebp; /* ebp save */
-/* 16 8 */ unsigned char FAR *in; /* esi rsi local strm->next_in */
-/* 24 12 */ unsigned char FAR *last; /* r9 while in < last */
-/* 32 16 */ unsigned char FAR *out; /* edi rdi local strm->next_out */
-/* 40 20 */ unsigned char FAR *beg; /* inflate()'s init next_out */
-/* 48 24 */ unsigned char FAR *end; /* r10 while out < end */
-/* 56 28 */ unsigned char FAR *window;/* size of window, wsize!=0 */
-/* 64 32 */ code const FAR *lcode; /* ebp rbp local strm->lencode */
-/* 72 36 */ code const FAR *dcode; /* r11 local strm->distcode */
-/* 80 40 */ unsigned long hold; /* edx rdx local strm->hold */
-/* 88 44 */ unsigned bits; /* ebx rbx local strm->bits */
-/* 92 48 */ unsigned wsize; /* window size */
-/* 96 52 */ unsigned write; /* window write index */
-/*100 56 */ unsigned lmask; /* r12 mask for lcode */
-/*104 60 */ unsigned dmask; /* r13 mask for dcode */
-/*108 64 */ unsigned len; /* r14 match length */
-/*112 68 */ unsigned dist; /* r15 match distance */
-/*116 72 */ unsigned status; /* set when state chng*/
- } ar;
-
-#if defined( __GNUC__ ) && defined( __amd64__ ) && ! defined( __i386 )
-#define PAD_AVAIL_IN 6
-#define PAD_AVAIL_OUT 258
-#else
-#define PAD_AVAIL_IN 5
-#define PAD_AVAIL_OUT 257
-#endif
-
- /* copy state to local variables */
- state = (struct inflate_state FAR *)strm->state;
- ar.in = strm->next_in;
- ar.last = ar.in + (strm->avail_in - PAD_AVAIL_IN);
- ar.out = strm->next_out;
- ar.beg = ar.out - (start - strm->avail_out);
- ar.end = ar.out + (strm->avail_out - PAD_AVAIL_OUT);
- ar.wsize = state->wsize;
- ar.write = state->write;
- ar.window = state->window;
- ar.hold = state->hold;
- ar.bits = state->bits;
- ar.lcode = state->lencode;
- ar.dcode = state->distcode;
- ar.lmask = (1U << state->lenbits) - 1;
- ar.dmask = (1U << state->distbits) - 1;
-
- /* decode literals and length/distances until end-of-block or not enough
- input data or output space */
-
- /* align in on 1/2 hold size boundary */
- while (((unsigned long)(void *)ar.in & (sizeof(ar.hold) / 2 - 1)) != 0) {
- ar.hold += (unsigned long)*ar.in++ << ar.bits;
- ar.bits += 8;
- }
-
-#if defined( __GNUC__ ) && defined( __amd64__ ) && ! defined( __i386 )
- __asm__ __volatile__ (
-" leaq %0, %%rax\n"
-" movq %%rbp, 8(%%rax)\n" /* save regs rbp and rsp */
-" movq %%rsp, (%%rax)\n"
-" movq %%rax, %%rsp\n" /* make rsp point to &ar */
-" movq 16(%%rsp), %%rsi\n" /* rsi = in */
-" movq 32(%%rsp), %%rdi\n" /* rdi = out */
-" movq 24(%%rsp), %%r9\n" /* r9 = last */
-" movq 48(%%rsp), %%r10\n" /* r10 = end */
-" movq 64(%%rsp), %%rbp\n" /* rbp = lcode */
-" movq 72(%%rsp), %%r11\n" /* r11 = dcode */
-" movq 80(%%rsp), %%rdx\n" /* rdx = hold */
-" movl 88(%%rsp), %%ebx\n" /* ebx = bits */
-" movl 100(%%rsp), %%r12d\n" /* r12d = lmask */
-" movl 104(%%rsp), %%r13d\n" /* r13d = dmask */
- /* r14d = len */
- /* r15d = dist */
-" cld\n"
-" cmpq %%rdi, %%r10\n"
-" je .L_one_time\n" /* if only one decode left */
-" cmpq %%rsi, %%r9\n"
-" je .L_one_time\n"
-" jmp .L_do_loop\n"
-
-".L_one_time:\n"
-" movq %%r12, %%r8\n" /* r8 = lmask */
-" cmpb $32, %%bl\n"
-" ja .L_get_length_code_one_time\n"
-
-" lodsl\n" /* eax = *(uint *)in++ */
-" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
-" addb $32, %%bl\n" /* bits += 32 */
-" shlq %%cl, %%rax\n"
-" orq %%rax, %%rdx\n" /* hold |= *((uint *)in)++ << bits */
-" jmp .L_get_length_code_one_time\n"
-
-".align 32,0x90\n"
-".L_while_test:\n"
-" cmpq %%rdi, %%r10\n"
-" jbe .L_break_loop\n"
-" cmpq %%rsi, %%r9\n"
-" jbe .L_break_loop\n"
-
-".L_do_loop:\n"
-" movq %%r12, %%r8\n" /* r8 = lmask */
-" cmpb $32, %%bl\n"
-" ja .L_get_length_code\n" /* if (32 < bits) */
-
-" lodsl\n" /* eax = *(uint *)in++ */
-" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
-" addb $32, %%bl\n" /* bits += 32 */
-" shlq %%cl, %%rax\n"
-" orq %%rax, %%rdx\n" /* hold |= *((uint *)in)++ << bits */
-
-".L_get_length_code:\n"
-" andq %%rdx, %%r8\n" /* r8 &= hold */
-" movl (%%rbp,%%r8,4), %%eax\n" /* eax = lcode[hold & lmask] */
-
-" movb %%ah, %%cl\n" /* cl = this.bits */
-" subb %%ah, %%bl\n" /* bits -= this.bits */
-" shrq %%cl, %%rdx\n" /* hold >>= this.bits */
-
-" testb %%al, %%al\n"
-" jnz .L_test_for_length_base\n" /* if (op != 0) 45.7% */
-
-" movq %%r12, %%r8\n" /* r8 = lmask */
-" shrl $16, %%eax\n" /* output this.val char */
-" stosb\n"
-
-".L_get_length_code_one_time:\n"
-" andq %%rdx, %%r8\n" /* r8 &= hold */
-" movl (%%rbp,%%r8,4), %%eax\n" /* eax = lcode[hold & lmask] */
-
-".L_dolen:\n"
-" movb %%ah, %%cl\n" /* cl = this.bits */
-" subb %%ah, %%bl\n" /* bits -= this.bits */
-" shrq %%cl, %%rdx\n" /* hold >>= this.bits */
-
-" testb %%al, %%al\n"
-" jnz .L_test_for_length_base\n" /* if (op != 0) 45.7% */
-
-" shrl $16, %%eax\n" /* output this.val char */
-" stosb\n"
-" jmp .L_while_test\n"
-
-".align 32,0x90\n"
-".L_test_for_length_base:\n"
-" movl %%eax, %%r14d\n" /* len = this */
-" shrl $16, %%r14d\n" /* len = this.val */
-" movb %%al, %%cl\n"
-
-" testb $16, %%al\n"
-" jz .L_test_for_second_level_length\n" /* if ((op & 16) == 0) 8% */
-" andb $15, %%cl\n" /* op &= 15 */
-" jz .L_decode_distance\n" /* if (!op) */
-
-".L_add_bits_to_len:\n"
-" subb %%cl, %%bl\n"
-" xorl %%eax, %%eax\n"
-" incl %%eax\n"
-" shll %%cl, %%eax\n"
-" decl %%eax\n"
-" andl %%edx, %%eax\n" /* eax &= hold */
-" shrq %%cl, %%rdx\n"
-" addl %%eax, %%r14d\n" /* len += hold & mask[op] */
-
-".L_decode_distance:\n"
-" movq %%r13, %%r8\n" /* r8 = dmask */
-" cmpb $32, %%bl\n"
-" ja .L_get_distance_code\n" /* if (32 < bits) */
-
-" lodsl\n" /* eax = *(uint *)in++ */
-" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
-" addb $32, %%bl\n" /* bits += 32 */
-" shlq %%cl, %%rax\n"
-" orq %%rax, %%rdx\n" /* hold |= *((uint *)in)++ << bits */
-
-".L_get_distance_code:\n"
-" andq %%rdx, %%r8\n" /* r8 &= hold */
-" movl (%%r11,%%r8,4), %%eax\n" /* eax = dcode[hold & dmask] */
-
-".L_dodist:\n"
-" movl %%eax, %%r15d\n" /* dist = this */
-" shrl $16, %%r15d\n" /* dist = this.val */
-" movb %%ah, %%cl\n"
-" subb %%ah, %%bl\n" /* bits -= this.bits */
-" shrq %%cl, %%rdx\n" /* hold >>= this.bits */
-" movb %%al, %%cl\n" /* cl = this.op */
-
-" testb $16, %%al\n" /* if ((op & 16) == 0) */
-" jz .L_test_for_second_level_dist\n"
-" andb $15, %%cl\n" /* op &= 15 */
-" jz .L_check_dist_one\n"
-
-".L_add_bits_to_dist:\n"
-" subb %%cl, %%bl\n"
-" xorl %%eax, %%eax\n"
-" incl %%eax\n"
-" shll %%cl, %%eax\n"
-" decl %%eax\n" /* (1 << op) - 1 */
-" andl %%edx, %%eax\n" /* eax &= hold */
-" shrq %%cl, %%rdx\n"
-" addl %%eax, %%r15d\n" /* dist += hold & ((1 << op) - 1) */
-
-".L_check_window:\n"
-" movq %%rsi, %%r8\n" /* save in so from can use it's reg */
-" movq %%rdi, %%rax\n"
-" subq 40(%%rsp), %%rax\n" /* nbytes = out - beg */
-
-" cmpl %%r15d, %%eax\n"
-" jb .L_clip_window\n" /* if (dist > nbytes) 4.2% */
-
-" movl %%r14d, %%ecx\n" /* ecx = len */
-" movq %%rdi, %%rsi\n"
-" subq %%r15, %%rsi\n" /* from = out - dist */
-
-" sarl %%ecx\n"
-" jnc .L_copy_two\n" /* if len % 2 == 0 */
-
-" rep movsw\n"
-" movb (%%rsi), %%al\n"
-" movb %%al, (%%rdi)\n"
-" incq %%rdi\n"
-
-" movq %%r8, %%rsi\n" /* move in back to %rsi, toss from */
-" jmp .L_while_test\n"
-
-".L_copy_two:\n"
-" rep movsw\n"
-" movq %%r8, %%rsi\n" /* move in back to %rsi, toss from */
-" jmp .L_while_test\n"
-
-".align 32,0x90\n"
-".L_check_dist_one:\n"
-" cmpl $1, %%r15d\n" /* if dist 1, is a memset */
-" jne .L_check_window\n"
-" cmpq %%rdi, 40(%%rsp)\n" /* if out == beg, outside window */
-" je .L_check_window\n"
-
-" movl %%r14d, %%ecx\n" /* ecx = len */
-" movb -1(%%rdi), %%al\n"
-" movb %%al, %%ah\n"
-
-" sarl %%ecx\n"
-" jnc .L_set_two\n"
-" movb %%al, (%%rdi)\n"
-" incq %%rdi\n"
-
-".L_set_two:\n"
-" rep stosw\n"
-" jmp .L_while_test\n"
-
-".align 32,0x90\n"
-".L_test_for_second_level_length:\n"
-" testb $64, %%al\n"
-" jnz .L_test_for_end_of_block\n" /* if ((op & 64) != 0) */
-
-" xorl %%eax, %%eax\n"
-" incl %%eax\n"
-" shll %%cl, %%eax\n"
-" decl %%eax\n"
-" andl %%edx, %%eax\n" /* eax &= hold */
-" addl %%r14d, %%eax\n" /* eax += len */
-" movl (%%rbp,%%rax,4), %%eax\n" /* eax = lcode[val+(hold&mask[op])]*/
-" jmp .L_dolen\n"
-
-".align 32,0x90\n"
-".L_test_for_second_level_dist:\n"
-" testb $64, %%al\n"
-" jnz .L_invalid_distance_code\n" /* if ((op & 64) != 0) */
-
-" xorl %%eax, %%eax\n"
-" incl %%eax\n"
-" shll %%cl, %%eax\n"
-" decl %%eax\n"
-" andl %%edx, %%eax\n" /* eax &= hold */
-" addl %%r15d, %%eax\n" /* eax += dist */
-" movl (%%r11,%%rax,4), %%eax\n" /* eax = dcode[val+(hold&mask[op])]*/
-" jmp .L_dodist\n"
-
-".align 32,0x90\n"
-".L_clip_window:\n"
-" movl %%eax, %%ecx\n" /* ecx = nbytes */
-" movl 92(%%rsp), %%eax\n" /* eax = wsize, prepare for dist cmp */
-" negl %%ecx\n" /* nbytes = -nbytes */
-
-" cmpl %%r15d, %%eax\n"
-" jb .L_invalid_distance_too_far\n" /* if (dist > wsize) */
-
-" addl %%r15d, %%ecx\n" /* nbytes = dist - nbytes */
-" cmpl $0, 96(%%rsp)\n"
-" jne .L_wrap_around_window\n" /* if (write != 0) */
-
-" movq 56(%%rsp), %%rsi\n" /* from = window */
-" subl %%ecx, %%eax\n" /* eax -= nbytes */
-" addq %%rax, %%rsi\n" /* from += wsize - nbytes */
-
-" movl %%r14d, %%eax\n" /* eax = len */
-" cmpl %%ecx, %%r14d\n"
-" jbe .L_do_copy\n" /* if (nbytes >= len) */
-
-" subl %%ecx, %%eax\n" /* eax -= nbytes */
-" rep movsb\n"
-" movq %%rdi, %%rsi\n"
-" subq %%r15, %%rsi\n" /* from = &out[ -dist ] */
-" jmp .L_do_copy\n"
-
-".align 32,0x90\n"
-".L_wrap_around_window:\n"
-" movl 96(%%rsp), %%eax\n" /* eax = write */
-" cmpl %%eax, %%ecx\n"
-" jbe .L_contiguous_in_window\n" /* if (write >= nbytes) */
-
-" movl 92(%%rsp), %%esi\n" /* from = wsize */
-" addq 56(%%rsp), %%rsi\n" /* from += window */
-" addq %%rax, %%rsi\n" /* from += write */
-" subq %%rcx, %%rsi\n" /* from -= nbytes */
-" subl %%eax, %%ecx\n" /* nbytes -= write */
-
-" movl %%r14d, %%eax\n" /* eax = len */
-" cmpl %%ecx, %%eax\n"
-" jbe .L_do_copy\n" /* if (nbytes >= len) */
-
-" subl %%ecx, %%eax\n" /* len -= nbytes */
-" rep movsb\n"
-" movq 56(%%rsp), %%rsi\n" /* from = window */
-" movl 96(%%rsp), %%ecx\n" /* nbytes = write */
-" cmpl %%ecx, %%eax\n"
-" jbe .L_do_copy\n" /* if (nbytes >= len) */
-
-" subl %%ecx, %%eax\n" /* len -= nbytes */
-" rep movsb\n"
-" movq %%rdi, %%rsi\n"
-" subq %%r15, %%rsi\n" /* from = out - dist */
-" jmp .L_do_copy\n"
-
-".align 32,0x90\n"
-".L_contiguous_in_window:\n"
-" movq 56(%%rsp), %%rsi\n" /* rsi = window */
-" addq %%rax, %%rsi\n"
-" subq %%rcx, %%rsi\n" /* from += write - nbytes */
-
-" movl %%r14d, %%eax\n" /* eax = len */
-" cmpl %%ecx, %%eax\n"
-" jbe .L_do_copy\n" /* if (nbytes >= len) */
-
-" subl %%ecx, %%eax\n" /* len -= nbytes */
-" rep movsb\n"
-" movq %%rdi, %%rsi\n"
-" subq %%r15, %%rsi\n" /* from = out - dist */
-" jmp .L_do_copy\n" /* if (nbytes >= len) */
-
-".align 32,0x90\n"
-".L_do_copy:\n"
-" movl %%eax, %%ecx\n" /* ecx = len */
-" rep movsb\n"
-
-" movq %%r8, %%rsi\n" /* move in back to %esi, toss from */
-" jmp .L_while_test\n"
-
-".L_test_for_end_of_block:\n"
-" testb $32, %%al\n"
-" jz .L_invalid_literal_length_code\n"
-" movl $1, 116(%%rsp)\n"
-" jmp .L_break_loop_with_status\n"
-
-".L_invalid_literal_length_code:\n"
-" movl $2, 116(%%rsp)\n"
-" jmp .L_break_loop_with_status\n"
-
-".L_invalid_distance_code:\n"
-" movl $3, 116(%%rsp)\n"
-" jmp .L_break_loop_with_status\n"
-
-".L_invalid_distance_too_far:\n"
-" movl $4, 116(%%rsp)\n"
-" jmp .L_break_loop_with_status\n"
-
-".L_break_loop:\n"
-" movl $0, 116(%%rsp)\n"
-
-".L_break_loop_with_status:\n"
-/* put in, out, bits, and hold back into ar and pop esp */
-" movq %%rsi, 16(%%rsp)\n" /* in */
-" movq %%rdi, 32(%%rsp)\n" /* out */
-" movl %%ebx, 88(%%rsp)\n" /* bits */
-" movq %%rdx, 80(%%rsp)\n" /* hold */
-" movq (%%rsp), %%rax\n" /* restore rbp and rsp */
-" movq 8(%%rsp), %%rbp\n"
-" movq %%rax, %%rsp\n"
- :
- : "m" (ar)
- : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi",
- "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
- );
-#elif ( defined( __GNUC__ ) || defined( __ICC ) ) && defined( __i386 )
- __asm__ __volatile__ (
-" leal %0, %%eax\n"
-" movl %%esp, (%%eax)\n" /* save esp, ebp */
-" movl %%ebp, 4(%%eax)\n"
-" movl %%eax, %%esp\n"
-" movl 8(%%esp), %%esi\n" /* esi = in */
-" movl 16(%%esp), %%edi\n" /* edi = out */
-" movl 40(%%esp), %%edx\n" /* edx = hold */
-" movl 44(%%esp), %%ebx\n" /* ebx = bits */
-" movl 32(%%esp), %%ebp\n" /* ebp = lcode */
-
-" cld\n"
-" jmp .L_do_loop\n"
-
-".align 32,0x90\n"
-".L_while_test:\n"
-" cmpl %%edi, 24(%%esp)\n" /* out < end */
-" jbe .L_break_loop\n"
-" cmpl %%esi, 12(%%esp)\n" /* in < last */
-" jbe .L_break_loop\n"
-
-".L_do_loop:\n"
-" cmpb $15, %%bl\n"
-" ja .L_get_length_code\n" /* if (15 < bits) */
-
-" xorl %%eax, %%eax\n"
-" lodsw\n" /* al = *(ushort *)in++ */
-" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
-" addb $16, %%bl\n" /* bits += 16 */
-" shll %%cl, %%eax\n"
-" orl %%eax, %%edx\n" /* hold |= *((ushort *)in)++ << bits */
-
-".L_get_length_code:\n"
-" movl 56(%%esp), %%eax\n" /* eax = lmask */
-" andl %%edx, %%eax\n" /* eax &= hold */
-" movl (%%ebp,%%eax,4), %%eax\n" /* eax = lcode[hold & lmask] */
-
-".L_dolen:\n"
-" movb %%ah, %%cl\n" /* cl = this.bits */
-" subb %%ah, %%bl\n" /* bits -= this.bits */
-" shrl %%cl, %%edx\n" /* hold >>= this.bits */
-
-" testb %%al, %%al\n"
-" jnz .L_test_for_length_base\n" /* if (op != 0) 45.7% */
-
-" shrl $16, %%eax\n" /* output this.val char */
-" stosb\n"
-" jmp .L_while_test\n"
-
-".align 32,0x90\n"
-".L_test_for_length_base:\n"
-" movl %%eax, %%ecx\n" /* len = this */
-" shrl $16, %%ecx\n" /* len = this.val */
-" movl %%ecx, 64(%%esp)\n" /* save len */
-" movb %%al, %%cl\n"
-
-" testb $16, %%al\n"
-" jz .L_test_for_second_level_length\n" /* if ((op & 16) == 0) 8% */
-" andb $15, %%cl\n" /* op &= 15 */
-" jz .L_decode_distance\n" /* if (!op) */
-" cmpb %%cl, %%bl\n"
-" jae .L_add_bits_to_len\n" /* if (op <= bits) */
-
-" movb %%cl, %%ch\n" /* stash op in ch, freeing cl */
-" xorl %%eax, %%eax\n"
-" lodsw\n" /* al = *(ushort *)in++ */
-" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
-" addb $16, %%bl\n" /* bits += 16 */
-" shll %%cl, %%eax\n"
-" orl %%eax, %%edx\n" /* hold |= *((ushort *)in)++ << bits */
-" movb %%ch, %%cl\n" /* move op back to ecx */
-
-".L_add_bits_to_len:\n"
-" subb %%cl, %%bl\n"
-" xorl %%eax, %%eax\n"
-" incl %%eax\n"
-" shll %%cl, %%eax\n"
-" decl %%eax\n"
-" andl %%edx, %%eax\n" /* eax &= hold */
-" shrl %%cl, %%edx\n"
-" addl %%eax, 64(%%esp)\n" /* len += hold & mask[op] */
-
-".L_decode_distance:\n"
-" cmpb $15, %%bl\n"
-" ja .L_get_distance_code\n" /* if (15 < bits) */
-
-" xorl %%eax, %%eax\n"
-" lodsw\n" /* al = *(ushort *)in++ */
-" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
-" addb $16, %%bl\n" /* bits += 16 */
-" shll %%cl, %%eax\n"
-" orl %%eax, %%edx\n" /* hold |= *((ushort *)in)++ << bits */
-
-".L_get_distance_code:\n"
-" movl 60(%%esp), %%eax\n" /* eax = dmask */
-" movl 36(%%esp), %%ecx\n" /* ecx = dcode */
-" andl %%edx, %%eax\n" /* eax &= hold */
-" movl (%%ecx,%%eax,4), %%eax\n"/* eax = dcode[hold & dmask] */
-
-".L_dodist:\n"
-" movl %%eax, %%ebp\n" /* dist = this */
-" shrl $16, %%ebp\n" /* dist = this.val */
-" movb %%ah, %%cl\n"
-" subb %%ah, %%bl\n" /* bits -= this.bits */
-" shrl %%cl, %%edx\n" /* hold >>= this.bits */
-" movb %%al, %%cl\n" /* cl = this.op */
-
-" testb $16, %%al\n" /* if ((op & 16) == 0) */
-" jz .L_test_for_second_level_dist\n"
-" andb $15, %%cl\n" /* op &= 15 */
-" jz .L_check_dist_one\n"
-" cmpb %%cl, %%bl\n"
-" jae .L_add_bits_to_dist\n" /* if (op <= bits) 97.6% */
-
-" movb %%cl, %%ch\n" /* stash op in ch, freeing cl */
-" xorl %%eax, %%eax\n"
-" lodsw\n" /* al = *(ushort *)in++ */
-" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
-" addb $16, %%bl\n" /* bits += 16 */
-" shll %%cl, %%eax\n"
-" orl %%eax, %%edx\n" /* hold |= *((ushort *)in)++ << bits */
-" movb %%ch, %%cl\n" /* move op back to ecx */
-
-".L_add_bits_to_dist:\n"
-" subb %%cl, %%bl\n"
-" xorl %%eax, %%eax\n"
-" incl %%eax\n"
-" shll %%cl, %%eax\n"
-" decl %%eax\n" /* (1 << op) - 1 */
-" andl %%edx, %%eax\n" /* eax &= hold */
-" shrl %%cl, %%edx\n"
-" addl %%eax, %%ebp\n" /* dist += hold & ((1 << op) - 1) */
-
-".L_check_window:\n"
-" movl %%esi, 8(%%esp)\n" /* save in so from can use it's reg */
-" movl %%edi, %%eax\n"
-" subl 20(%%esp), %%eax\n" /* nbytes = out - beg */
-
-" cmpl %%ebp, %%eax\n"
-" jb .L_clip_window\n" /* if (dist > nbytes) 4.2% */
-
-" movl 64(%%esp), %%ecx\n" /* ecx = len */
-" movl %%edi, %%esi\n"
-" subl %%ebp, %%esi\n" /* from = out - dist */
-
-" sarl %%ecx\n"
-" jnc .L_copy_two\n" /* if len % 2 == 0 */
-
-" rep movsw\n"
-" movb (%%esi), %%al\n"
-" movb %%al, (%%edi)\n"
-" incl %%edi\n"
-
-" movl 8(%%esp), %%esi\n" /* move in back to %esi, toss from */
-" movl 32(%%esp), %%ebp\n" /* ebp = lcode */
-" jmp .L_while_test\n"
-
-".L_copy_two:\n"
-" rep movsw\n"
-" movl 8(%%esp), %%esi\n" /* move in back to %esi, toss from */
-" movl 32(%%esp), %%ebp\n" /* ebp = lcode */
-" jmp .L_while_test\n"
-
-".align 32,0x90\n"
-".L_check_dist_one:\n"
-" cmpl $1, %%ebp\n" /* if dist 1, is a memset */
-" jne .L_check_window\n"
-" cmpl %%edi, 20(%%esp)\n"
-" je .L_check_window\n" /* out == beg, if outside window */
-
-" movl 64(%%esp), %%ecx\n" /* ecx = len */
-" movb -1(%%edi), %%al\n"
-" movb %%al, %%ah\n"
-
-" sarl %%ecx\n"
-" jnc .L_set_two\n"
-" movb %%al, (%%edi)\n"
-" incl %%edi\n"
-
-".L_set_two:\n"
-" rep stosw\n"
-" movl 32(%%esp), %%ebp\n" /* ebp = lcode */
-" jmp .L_while_test\n"
-
-".align 32,0x90\n"
-".L_test_for_second_level_length:\n"
-" testb $64, %%al\n"
-" jnz .L_test_for_end_of_block\n" /* if ((op & 64) != 0) */
-
-" xorl %%eax, %%eax\n"
-" incl %%eax\n"
-" shll %%cl, %%eax\n"
-" decl %%eax\n"
-" andl %%edx, %%eax\n" /* eax &= hold */
-" addl 64(%%esp), %%eax\n" /* eax += len */
-" movl (%%ebp,%%eax,4), %%eax\n" /* eax = lcode[val+(hold&mask[op])]*/
-" jmp .L_dolen\n"
-
-".align 32,0x90\n"
-".L_test_for_second_level_dist:\n"
-" testb $64, %%al\n"
-" jnz .L_invalid_distance_code\n" /* if ((op & 64) != 0) */
-
-" xorl %%eax, %%eax\n"
-" incl %%eax\n"
-" shll %%cl, %%eax\n"
-" decl %%eax\n"
-" andl %%edx, %%eax\n" /* eax &= hold */
-" addl %%ebp, %%eax\n" /* eax += dist */
-" movl 36(%%esp), %%ecx\n" /* ecx = dcode */
-" movl (%%ecx,%%eax,4), %%eax\n" /* eax = dcode[val+(hold&mask[op])]*/
-" jmp .L_dodist\n"
-
-".align 32,0x90\n"
-".L_clip_window:\n"
-" movl %%eax, %%ecx\n"
-" movl 48(%%esp), %%eax\n" /* eax = wsize */
-" negl %%ecx\n" /* nbytes = -nbytes */
-" movl 28(%%esp), %%esi\n" /* from = window */
-
-" cmpl %%ebp, %%eax\n"
-" jb .L_invalid_distance_too_far\n" /* if (dist > wsize) */
-
-" addl %%ebp, %%ecx\n" /* nbytes = dist - nbytes */
-" cmpl $0, 52(%%esp)\n"
-" jne .L_wrap_around_window\n" /* if (write != 0) */
-
-" subl %%ecx, %%eax\n"
-" addl %%eax, %%esi\n" /* from += wsize - nbytes */
-
-" movl 64(%%esp), %%eax\n" /* eax = len */
-" cmpl %%ecx, %%eax\n"
-" jbe .L_do_copy\n" /* if (nbytes >= len) */
-
-" subl %%ecx, %%eax\n" /* len -= nbytes */
-" rep movsb\n"
-" movl %%edi, %%esi\n"
-" subl %%ebp, %%esi\n" /* from = out - dist */
-" jmp .L_do_copy\n"
-
-".align 32,0x90\n"
-".L_wrap_around_window:\n"
-" movl 52(%%esp), %%eax\n" /* eax = write */
-" cmpl %%eax, %%ecx\n"
-" jbe .L_contiguous_in_window\n" /* if (write >= nbytes) */
-
-" addl 48(%%esp), %%esi\n" /* from += wsize */
-" addl %%eax, %%esi\n" /* from += write */
-" subl %%ecx, %%esi\n" /* from -= nbytes */
-" subl %%eax, %%ecx\n" /* nbytes -= write */
-
-" movl 64(%%esp), %%eax\n" /* eax = len */
-" cmpl %%ecx, %%eax\n"
-" jbe .L_do_copy\n" /* if (nbytes >= len) */
-
-" subl %%ecx, %%eax\n" /* len -= nbytes */
-" rep movsb\n"
-" movl 28(%%esp), %%esi\n" /* from = window */
-" movl 52(%%esp), %%ecx\n" /* nbytes = write */
-" cmpl %%ecx, %%eax\n"
-" jbe .L_do_copy\n" /* if (nbytes >= len) */
-
-" subl %%ecx, %%eax\n" /* len -= nbytes */
-" rep movsb\n"
-" movl %%edi, %%esi\n"
-" subl %%ebp, %%esi\n" /* from = out - dist */
-" jmp .L_do_copy\n"
-
-".align 32,0x90\n"
-".L_contiguous_in_window:\n"
-" addl %%eax, %%esi\n"
-" subl %%ecx, %%esi\n" /* from += write - nbytes */
-
-" movl 64(%%esp), %%eax\n" /* eax = len */
-" cmpl %%ecx, %%eax\n"
-" jbe .L_do_copy\n" /* if (nbytes >= len) */
-
-" subl %%ecx, %%eax\n" /* len -= nbytes */
-" rep movsb\n"
-" movl %%edi, %%esi\n"
-" subl %%ebp, %%esi\n" /* from = out - dist */
-" jmp .L_do_copy\n" /* if (nbytes >= len) */
-
-".align 32,0x90\n"
-".L_do_copy:\n"
-" movl %%eax, %%ecx\n"
-" rep movsb\n"
-
-" movl 8(%%esp), %%esi\n" /* move in back to %esi, toss from */
-" movl 32(%%esp), %%ebp\n" /* ebp = lcode */
-" jmp .L_while_test\n"
-
-".L_test_for_end_of_block:\n"
-" testb $32, %%al\n"
-" jz .L_invalid_literal_length_code\n"
-" movl $1, 72(%%esp)\n"
-" jmp .L_break_loop_with_status\n"
-
-".L_invalid_literal_length_code:\n"
-" movl $2, 72(%%esp)\n"
-" jmp .L_break_loop_with_status\n"
-
-".L_invalid_distance_code:\n"
-" movl $3, 72(%%esp)\n"
-" jmp .L_break_loop_with_status\n"
-
-".L_invalid_distance_too_far:\n"
-" movl 8(%%esp), %%esi\n"
-" movl $4, 72(%%esp)\n"
-" jmp .L_break_loop_with_status\n"
-
-".L_break_loop:\n"
-" movl $0, 72(%%esp)\n"
-
-".L_break_loop_with_status:\n"
-/* put in, out, bits, and hold back into ar and pop esp */
-" movl %%esi, 8(%%esp)\n" /* save in */
-" movl %%edi, 16(%%esp)\n" /* save out */
-" movl %%ebx, 44(%%esp)\n" /* save bits */
-" movl %%edx, 40(%%esp)\n" /* save hold */
-" movl 4(%%esp), %%ebp\n" /* restore esp, ebp */
-" movl (%%esp), %%esp\n"
- :
- : "m" (ar)
- : "memory", "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
- );
-#elif defined( _MSC_VER ) && ! defined( _M_AMD64 )
- __asm {
- lea eax, ar
- mov [eax], esp /* save esp, ebp */
- mov [eax+4], ebp
- mov esp, eax
- mov esi, [esp+8] /* esi = in */
- mov edi, [esp+16] /* edi = out */
- mov edx, [esp+40] /* edx = hold */
- mov ebx, [esp+44] /* ebx = bits */
- mov ebp, [esp+32] /* ebp = lcode */
-
- cld
- jmp L_do_loop
-
-ALIGN 4
-L_while_test:
- cmp [esp+24], edi
- jbe L_break_loop
- cmp [esp+12], esi
- jbe L_break_loop
-
-L_do_loop:
- cmp bl, 15
- ja L_get_length_code /* if (15 < bits) */
-
- xor eax, eax
- lodsw /* al = *(ushort *)in++ */
- mov cl, bl /* cl = bits, needs it for shifting */
- add bl, 16 /* bits += 16 */
- shl eax, cl
- or edx, eax /* hold |= *((ushort *)in)++ << bits */
-
-L_get_length_code:
- mov eax, [esp+56] /* eax = lmask */
- and eax, edx /* eax &= hold */
- mov eax, [ebp+eax*4] /* eax = lcode[hold & lmask] */
-
-L_dolen:
- mov cl, ah /* cl = this.bits */
- sub bl, ah /* bits -= this.bits */
- shr edx, cl /* hold >>= this.bits */
-
- test al, al
- jnz L_test_for_length_base /* if (op != 0) 45.7% */
-
- shr eax, 16 /* output this.val char */
- stosb
- jmp L_while_test
-
-ALIGN 4
-L_test_for_length_base:
- mov ecx, eax /* len = this */
- shr ecx, 16 /* len = this.val */
- mov [esp+64], ecx /* save len */
- mov cl, al
-
- test al, 16
- jz L_test_for_second_level_length /* if ((op & 16) == 0) 8% */
- and cl, 15 /* op &= 15 */
- jz L_decode_distance /* if (!op) */
- cmp bl, cl
- jae L_add_bits_to_len /* if (op <= bits) */
-
- mov ch, cl /* stash op in ch, freeing cl */
- xor eax, eax
- lodsw /* al = *(ushort *)in++ */
- mov cl, bl /* cl = bits, needs it for shifting */
- add bl, 16 /* bits += 16 */
- shl eax, cl
- or edx, eax /* hold |= *((ushort *)in)++ << bits */
- mov cl, ch /* move op back to ecx */
-
-L_add_bits_to_len:
- sub bl, cl
- xor eax, eax
- inc eax
- shl eax, cl
- dec eax
- and eax, edx /* eax &= hold */
- shr edx, cl
- add [esp+64], eax /* len += hold & mask[op] */
-
-L_decode_distance:
- cmp bl, 15
- ja L_get_distance_code /* if (15 < bits) */
-
- xor eax, eax
- lodsw /* al = *(ushort *)in++ */
- mov cl, bl /* cl = bits, needs it for shifting */
- add bl, 16 /* bits += 16 */
- shl eax, cl
- or edx, eax /* hold |= *((ushort *)in)++ << bits */
-
-L_get_distance_code:
- mov eax, [esp+60] /* eax = dmask */
- mov ecx, [esp+36] /* ecx = dcode */
- and eax, edx /* eax &= hold */
- mov eax, [ecx+eax*4]/* eax = dcode[hold & dmask] */
-
-L_dodist:
- mov ebp, eax /* dist = this */
- shr ebp, 16 /* dist = this.val */
- mov cl, ah
- sub bl, ah /* bits -= this.bits */
- shr edx, cl /* hold >>= this.bits */
- mov cl, al /* cl = this.op */
-
- test al, 16 /* if ((op & 16) == 0) */
- jz L_test_for_second_level_dist
- and cl, 15 /* op &= 15 */
- jz L_check_dist_one
- cmp bl, cl
- jae L_add_bits_to_dist /* if (op <= bits) 97.6% */
-
- mov ch, cl /* stash op in ch, freeing cl */
- xor eax, eax
- lodsw /* al = *(ushort *)in++ */
- mov cl, bl /* cl = bits, needs it for shifting */
- add bl, 16 /* bits += 16 */
- shl eax, cl
- or edx, eax /* hold |= *((ushort *)in)++ << bits */
- mov cl, ch /* move op back to ecx */
-
-L_add_bits_to_dist:
- sub bl, cl
- xor eax, eax
- inc eax
- shl eax, cl
- dec eax /* (1 << op) - 1 */
- and eax, edx /* eax &= hold */
- shr edx, cl
- add ebp, eax /* dist += hold & ((1 << op) - 1) */
-
-L_check_window:
- mov [esp+8], esi /* save in so from can use it's reg */
- mov eax, edi
- sub eax, [esp+20] /* nbytes = out - beg */
-
- cmp eax, ebp
- jb L_clip_window /* if (dist > nbytes) 4.2% */
-
- mov ecx, [esp+64] /* ecx = len */
- mov esi, edi
- sub esi, ebp /* from = out - dist */
-
- sar ecx, 1
- jnc L_copy_two
-
- rep movsw
- mov al, [esi]
- mov [edi], al
- inc edi
-
- mov esi, [esp+8] /* move in back to %esi, toss from */
- mov ebp, [esp+32] /* ebp = lcode */
- jmp L_while_test
-
-L_copy_two:
- rep movsw
- mov esi, [esp+8] /* move in back to %esi, toss from */
- mov ebp, [esp+32] /* ebp = lcode */
- jmp L_while_test
-
-ALIGN 4
-L_check_dist_one:
- cmp ebp, 1 /* if dist 1, is a memset */
- jne L_check_window
- cmp [esp+20], edi
- je L_check_window /* out == beg, if outside window */
-
- mov ecx, [esp+64] /* ecx = len */
- mov al, [edi-1]
- mov ah, al
-
- sar ecx, 1
- jnc L_set_two
- mov [edi], al /* memset out with from[-1] */
- inc edi
-
-L_set_two:
- rep stosw
- mov ebp, [esp+32] /* ebp = lcode */
- jmp L_while_test
-
-ALIGN 4
-L_test_for_second_level_length:
- test al, 64
- jnz L_test_for_end_of_block /* if ((op & 64) != 0) */
-
- xor eax, eax
- inc eax
- shl eax, cl
- dec eax
- and eax, edx /* eax &= hold */
- add eax, [esp+64] /* eax += len */
- mov eax, [ebp+eax*4] /* eax = lcode[val+(hold&mask[op])]*/
- jmp L_dolen
-
-ALIGN 4
-L_test_for_second_level_dist:
- test al, 64
- jnz L_invalid_distance_code /* if ((op & 64) != 0) */
-
- xor eax, eax
- inc eax
- shl eax, cl
- dec eax
- and eax, edx /* eax &= hold */
- add eax, ebp /* eax += dist */
- mov ecx, [esp+36] /* ecx = dcode */
- mov eax, [ecx+eax*4] /* eax = dcode[val+(hold&mask[op])]*/
- jmp L_dodist
-
-ALIGN 4
-L_clip_window:
- mov ecx, eax
- mov eax, [esp+48] /* eax = wsize */
- neg ecx /* nbytes = -nbytes */
- mov esi, [esp+28] /* from = window */
-
- cmp eax, ebp
- jb L_invalid_distance_too_far /* if (dist > wsize) */
-
- add ecx, ebp /* nbytes = dist - nbytes */
- cmp dword ptr [esp+52], 0
- jne L_wrap_around_window /* if (write != 0) */
-
- sub eax, ecx
- add esi, eax /* from += wsize - nbytes */
-
- mov eax, [esp+64] /* eax = len */
- cmp eax, ecx
- jbe L_do_copy /* if (nbytes >= len) */
-
- sub eax, ecx /* len -= nbytes */
- rep movsb
- mov esi, edi
- sub esi, ebp /* from = out - dist */
- jmp L_do_copy
-
-ALIGN 4
-L_wrap_around_window:
- mov eax, [esp+52] /* eax = write */
- cmp ecx, eax
- jbe L_contiguous_in_window /* if (write >= nbytes) */
-
- add esi, [esp+48] /* from += wsize */
- add esi, eax /* from += write */
- sub esi, ecx /* from -= nbytes */
- sub ecx, eax /* nbytes -= write */
-
- mov eax, [esp+64] /* eax = len */
- cmp eax, ecx
- jbe L_do_copy /* if (nbytes >= len) */
-
- sub eax, ecx /* len -= nbytes */
- rep movsb
- mov esi, [esp+28] /* from = window */
- mov ecx, [esp+52] /* nbytes = write */
- cmp eax, ecx
- jbe L_do_copy /* if (nbytes >= len) */
-
- sub eax, ecx /* len -= nbytes */
- rep movsb
- mov esi, edi
- sub esi, ebp /* from = out - dist */
- jmp L_do_copy
-
-ALIGN 4
-L_contiguous_in_window:
- add esi, eax
- sub esi, ecx /* from += write - nbytes */
-
- mov eax, [esp+64] /* eax = len */
- cmp eax, ecx
- jbe L_do_copy /* if (nbytes >= len) */
-
- sub eax, ecx /* len -= nbytes */
- rep movsb
- mov esi, edi
- sub esi, ebp /* from = out - dist */
- jmp L_do_copy
-
-ALIGN 4
-L_do_copy:
- mov ecx, eax
- rep movsb
-
- mov esi, [esp+8] /* move in back to %esi, toss from */
- mov ebp, [esp+32] /* ebp = lcode */
- jmp L_while_test
-
-L_test_for_end_of_block:
- test al, 32
- jz L_invalid_literal_length_code
- mov dword ptr [esp+72], 1
- jmp L_break_loop_with_status
-
-L_invalid_literal_length_code:
- mov dword ptr [esp+72], 2
- jmp L_break_loop_with_status
-
-L_invalid_distance_code:
- mov dword ptr [esp+72], 3
- jmp L_break_loop_with_status
-
-L_invalid_distance_too_far:
- mov esi, [esp+4]
- mov dword ptr [esp+72], 4
- jmp L_break_loop_with_status
-
-L_break_loop:
- mov dword ptr [esp+72], 0
-
-L_break_loop_with_status:
-/* put in, out, bits, and hold back into ar and pop esp */
- mov [esp+8], esi /* save in */
- mov [esp+16], edi /* save out */
- mov [esp+44], ebx /* save bits */
- mov [esp+40], edx /* save hold */
- mov ebp, [esp+4] /* restore esp, ebp */
- mov esp, [esp]
- }
-#else
-#error "x86 architecture not defined"
-#endif
-
- if (ar.status > 1) {
- if (ar.status == 2)
- strm->msg = "invalid literal/length code";
- else if (ar.status == 3)
- strm->msg = "invalid distance code";
- else
- strm->msg = "invalid distance too far back";
- state->mode = BAD;
- }
- else if ( ar.status == 1 ) {
- state->mode = TYPE;
- }
-
- /* return unused bytes (on entry, bits < 8, so in won't go too far back) */
- ar.len = ar.bits >> 3;
- ar.in -= ar.len;
- ar.bits -= ar.len << 3;
- ar.hold &= (1U << ar.bits) - 1;
-
- /* update state and return */
- strm->next_in = ar.in;
- strm->next_out = ar.out;
- strm->avail_in = (unsigned)(ar.in < ar.last ?
- PAD_AVAIL_IN + (ar.last - ar.in) :
- PAD_AVAIL_IN - (ar.in - ar.last));
- strm->avail_out = (unsigned)(ar.out < ar.end ?
- PAD_AVAIL_OUT + (ar.end - ar.out) :
- PAD_AVAIL_OUT - (ar.out - ar.end));
- state->hold = ar.hold;
- state->bits = ar.bits;
- return;
-}
-
+++ /dev/null
-/*
- * inffast.S is a hand tuned assembler version of:
- *
- * inffast.c -- fast decoding
- * Copyright (C) 1995-2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- *
- * Copyright (C) 2003 Chris Anderson <christop@charm.net>
- * Please use the copyright conditions above.
- *
- * This version (Jan-23-2003) of inflate_fast was coded and tested under
- * GNU/Linux on a pentium 3, using the gcc-3.2 compiler distribution. On that
- * machine, I found that gzip style archives decompressed about 20% faster than
- * the gcc-3.2 -O3 -fomit-frame-pointer compiled version. Your results will
- * depend on how large of a buffer is used for z_stream.next_in & next_out
- * (8K-32K worked best for my 256K cpu cache) and how much overhead there is in
- * stream processing I/O and crc32/addler32. In my case, this routine used
- * 70% of the cpu time and crc32 used 20%.
- *
- * I am confident that this version will work in the general case, but I have
- * not tested a wide variety of datasets or a wide variety of platforms.
- *
- * Jan-24-2003 -- Added -DUSE_MMX define for slightly faster inflating.
- * It should be a runtime flag instead of compile time flag...
- *
- * Jan-26-2003 -- Added runtime check for MMX support with cpuid instruction.
- * With -DUSE_MMX, only MMX code is compiled. With -DNO_MMX, only non-MMX code
- * is compiled. Without either option, runtime detection is enabled. Runtime
- * detection should work on all modern cpus and the recomended algorithm (flip
- * ID bit on eflags and then use the cpuid instruction) is used in many
- * multimedia applications. Tested under win2k with gcc-2.95 and gas-2.12
- * distributed with cygwin3. Compiling with gcc-2.95 -c inffast.S -o
- * inffast.obj generates a COFF object which can then be linked with MSVC++
- * compiled code. Tested under FreeBSD 4.7 with gcc-2.95.
- *
- * Jan-28-2003 -- Tested Athlon XP... MMX mode is slower than no MMX (and
- * slower than compiler generated code). Adjusted cpuid check to use the MMX
- * code only for Pentiums < P4 until I have more data on the P4. Speed
- * improvment is only about 15% on the Athlon when compared with code generated
- * with MSVC++. Not sure yet, but I think the P4 will also be slower using the
- * MMX mode because many of it's x86 ALU instructions execute in .5 cycles and
- * have less latency than MMX ops. Added code to buffer the last 11 bytes of
- * the input stream since the MMX code grabs bits in chunks of 32, which
- * differs from the inffast.c algorithm. I don't think there would have been
- * read overruns where a page boundary was crossed (a segfault), but there
- * could have been overruns when next_in ends on unaligned memory (unintialized
- * memory read).
- *
- * Mar-13-2003 -- P4 MMX is slightly slower than P4 NO_MMX. I created a C
- * version of the non-MMX code so that it doesn't depend on zstrm and zstate
- * structure offsets which are hard coded in this file. This was last tested
- * with zlib-1.2.0 which is currently in beta testing, newer versions of this
- * and inffas86.c can be found at http://www.eetbeetee.com/zlib/ and
- * http://www.charm.net/~christop/zlib/
- */
-
-
-/*
- * if you have underscore linking problems (_inflate_fast undefined), try
- * using -DGAS_COFF
- */
-#if ! defined( GAS_COFF ) && ! defined( GAS_ELF )
-
-#if defined( WIN32 ) || defined( __CYGWIN__ )
-#define GAS_COFF /* windows object format */
-#else
-#define GAS_ELF
-#endif
-
-#endif /* ! GAS_COFF && ! GAS_ELF */
-
-
-#if defined( GAS_COFF )
-
-/* coff externals have underscores */
-#define inflate_fast _inflate_fast
-#define inflate_fast_use_mmx _inflate_fast_use_mmx
-
-#endif /* GAS_COFF */
-
-
-.file "inffast.S"
-
-.globl inflate_fast
-
-.text
-.align 4,0
-.L_invalid_literal_length_code_msg:
-.string "invalid literal/length code"
-
-.align 4,0
-.L_invalid_distance_code_msg:
-.string "invalid distance code"
-
-.align 4,0
-.L_invalid_distance_too_far_msg:
-.string "invalid distance too far back"
-
-#if ! defined( NO_MMX )
-.align 4,0
-.L_mask: /* mask[N] = ( 1 << N ) - 1 */
-.long 0
-.long 1
-.long 3
-.long 7
-.long 15
-.long 31
-.long 63
-.long 127
-.long 255
-.long 511
-.long 1023
-.long 2047
-.long 4095
-.long 8191
-.long 16383
-.long 32767
-.long 65535
-.long 131071
-.long 262143
-.long 524287
-.long 1048575
-.long 2097151
-.long 4194303
-.long 8388607
-.long 16777215
-.long 33554431
-.long 67108863
-.long 134217727
-.long 268435455
-.long 536870911
-.long 1073741823
-.long 2147483647
-.long 4294967295
-#endif /* NO_MMX */
-
-.text
-
-/*
- * struct z_stream offsets, in zlib.h
- */
-#define next_in_strm 0 /* strm->next_in */
-#define avail_in_strm 4 /* strm->avail_in */
-#define next_out_strm 12 /* strm->next_out */
-#define avail_out_strm 16 /* strm->avail_out */
-#define msg_strm 24 /* strm->msg */
-#define state_strm 28 /* strm->state */
-
-/*
- * struct inflate_state offsets, in inflate.h
- */
-#define mode_state 0 /* state->mode */
-#define wsize_state 32 /* state->wsize */
-#define write_state 40 /* state->write */
-#define window_state 44 /* state->window */
-#define hold_state 48 /* state->hold */
-#define bits_state 52 /* state->bits */
-#define lencode_state 68 /* state->lencode */
-#define distcode_state 72 /* state->distcode */
-#define lenbits_state 76 /* state->lenbits */
-#define distbits_state 80 /* state->distbits */
-
-/*
- * inflate_fast's activation record
- */
-#define local_var_size 64 /* how much local space for vars */
-#define strm_sp 88 /* first arg: z_stream * (local_var_size + 24) */
-#define start_sp 92 /* second arg: unsigned int (local_var_size + 28) */
-
-/*
- * offsets for local vars on stack
- */
-#define out 60 /* unsigned char* */
-#define window 56 /* unsigned char* */
-#define wsize 52 /* unsigned int */
-#define write 48 /* unsigned int */
-#define in 44 /* unsigned char* */
-#define beg 40 /* unsigned char* */
-#define buf 28 /* char[ 12 ] */
-#define len 24 /* unsigned int */
-#define last 20 /* unsigned char* */
-#define end 16 /* unsigned char* */
-#define dcode 12 /* code* */
-#define lcode 8 /* code* */
-#define dmask 4 /* unsigned int */
-#define lmask 0 /* unsigned int */
-
-/*
- * typedef enum inflate_mode consts, in inflate.h
- */
-#define INFLATE_MODE_TYPE 11 /* state->mode flags enum-ed in inflate.h */
-#define INFLATE_MODE_BAD 26
-
-
-#if ! defined( USE_MMX ) && ! defined( NO_MMX )
-
-#define RUN_TIME_MMX
-
-#define CHECK_MMX 1
-#define DO_USE_MMX 2
-#define DONT_USE_MMX 3
-
-.globl inflate_fast_use_mmx
-
-.data
-
-.align 4,0
-inflate_fast_use_mmx: /* integer flag for run time control 1=check,2=mmx,3=no */
-.long CHECK_MMX
-
-#if defined( GAS_ELF )
-/* elf info */
-.type inflate_fast_use_mmx,@object
-.size inflate_fast_use_mmx,4
-#endif
-
-#endif /* RUN_TIME_MMX */
-
-#if defined( GAS_COFF )
-/* coff info: scl 2 = extern, type 32 = function */
-.def inflate_fast; .scl 2; .type 32; .endef
-#endif
-
-.text
-
-.align 32,0x90
-inflate_fast:
- pushl %edi
- pushl %esi
- pushl %ebp
- pushl %ebx
- pushf /* save eflags (strm_sp, state_sp assumes this is 32 bits) */
- subl $local_var_size, %esp
- cld
-
-#define strm_r %esi
-#define state_r %edi
-
- movl strm_sp(%esp), strm_r
- movl state_strm(strm_r), state_r
-
- /* in = strm->next_in;
- * out = strm->next_out;
- * last = in + strm->avail_in - 11;
- * beg = out - (start - strm->avail_out);
- * end = out + (strm->avail_out - 257);
- */
- movl avail_in_strm(strm_r), %edx
- movl next_in_strm(strm_r), %eax
-
- addl %eax, %edx /* avail_in += next_in */
- subl $11, %edx /* avail_in -= 11 */
-
- movl %eax, in(%esp)
- movl %edx, last(%esp)
-
- movl start_sp(%esp), %ebp
- movl avail_out_strm(strm_r), %ecx
- movl next_out_strm(strm_r), %ebx
-
- subl %ecx, %ebp /* start -= avail_out */
- negl %ebp /* start = -start */
- addl %ebx, %ebp /* start += next_out */
-
- subl $257, %ecx /* avail_out -= 257 */
- addl %ebx, %ecx /* avail_out += out */
-
- movl %ebx, out(%esp)
- movl %ebp, beg(%esp)
- movl %ecx, end(%esp)
-
- /* wsize = state->wsize;
- * write = state->write;
- * window = state->window;
- * hold = state->hold;
- * bits = state->bits;
- * lcode = state->lencode;
- * dcode = state->distcode;
- * lmask = ( 1 << state->lenbits ) - 1;
- * dmask = ( 1 << state->distbits ) - 1;
- */
-
- movl lencode_state(state_r), %eax
- movl distcode_state(state_r), %ecx
-
- movl %eax, lcode(%esp)
- movl %ecx, dcode(%esp)
-
- movl $1, %eax
- movl lenbits_state(state_r), %ecx
- shll %cl, %eax
- decl %eax
- movl %eax, lmask(%esp)
-
- movl $1, %eax
- movl distbits_state(state_r), %ecx
- shll %cl, %eax
- decl %eax
- movl %eax, dmask(%esp)
-
- movl wsize_state(state_r), %eax
- movl write_state(state_r), %ecx
- movl window_state(state_r), %edx
-
- movl %eax, wsize(%esp)
- movl %ecx, write(%esp)
- movl %edx, window(%esp)
-
- movl hold_state(state_r), %ebp
- movl bits_state(state_r), %ebx
-
-#undef strm_r
-#undef state_r
-
-#define in_r %esi
-#define from_r %esi
-#define out_r %edi
-
- movl in(%esp), in_r
- movl last(%esp), %ecx
- cmpl in_r, %ecx
- ja .L_align_long /* if in < last */
-
- addl $11, %ecx /* ecx = &in[ avail_in ] */
- subl in_r, %ecx /* ecx = avail_in */
- movl $12, %eax
- subl %ecx, %eax /* eax = 12 - avail_in */
- leal buf(%esp), %edi
- rep movsb /* memcpy( buf, in, avail_in ) */
- movl %eax, %ecx
- xorl %eax, %eax
- rep stosb /* memset( &buf[ avail_in ], 0, 12 - avail_in ) */
- leal buf(%esp), in_r /* in = buf */
- movl in_r, last(%esp) /* last = in, do just one iteration */
- jmp .L_is_aligned
-
- /* align in_r on long boundary */
-.L_align_long:
- testl $3, in_r
- jz .L_is_aligned
- xorl %eax, %eax
- movb (in_r), %al
- incl in_r
- movl %ebx, %ecx
- addl $8, %ebx
- shll %cl, %eax
- orl %eax, %ebp
- jmp .L_align_long
-
-.L_is_aligned:
- movl out(%esp), out_r
-
-#if defined( NO_MMX )
- jmp .L_do_loop
-#endif
-
-#if defined( USE_MMX )
- jmp .L_init_mmx
-#endif
-
-/*** Runtime MMX check ***/
-
-#if defined( RUN_TIME_MMX )
-.L_check_mmx:
- cmpl $DO_USE_MMX, inflate_fast_use_mmx
- je .L_init_mmx
- ja .L_do_loop /* > 2 */
-
- pushl %eax
- pushl %ebx
- pushl %ecx
- pushl %edx
- pushf
- movl (%esp), %eax /* copy eflags to eax */
- xorl $0x200000, (%esp) /* try toggling ID bit of eflags (bit 21)
- * to see if cpu supports cpuid...
- * ID bit method not supported by NexGen but
- * bios may load a cpuid instruction and
- * cpuid may be disabled on Cyrix 5-6x86 */
- popf
- pushf
- popl %edx /* copy new eflags to edx */
- xorl %eax, %edx /* test if ID bit is flipped */
- jz .L_dont_use_mmx /* not flipped if zero */
- xorl %eax, %eax
- cpuid
- cmpl $0x756e6547, %ebx /* check for GenuineIntel in ebx,ecx,edx */
- jne .L_dont_use_mmx
- cmpl $0x6c65746e, %ecx
- jne .L_dont_use_mmx
- cmpl $0x49656e69, %edx
- jne .L_dont_use_mmx
- movl $1, %eax
- cpuid /* get cpu features */
- shrl $8, %eax
- andl $15, %eax
- cmpl $6, %eax /* check for Pentium family, is 0xf for P4 */
- jne .L_dont_use_mmx
- testl $0x800000, %edx /* test if MMX feature is set (bit 23) */
- jnz .L_use_mmx
- jmp .L_dont_use_mmx
-.L_use_mmx:
- movl $DO_USE_MMX, inflate_fast_use_mmx
- jmp .L_check_mmx_pop
-.L_dont_use_mmx:
- movl $DONT_USE_MMX, inflate_fast_use_mmx
-.L_check_mmx_pop:
- popl %edx
- popl %ecx
- popl %ebx
- popl %eax
- jmp .L_check_mmx
-#endif
-
-
-/*** Non-MMX code ***/
-
-#if defined ( NO_MMX ) || defined( RUN_TIME_MMX )
-
-#define hold_r %ebp
-#define bits_r %bl
-#define bitslong_r %ebx
-
-.align 32,0x90
-.L_while_test:
- /* while (in < last && out < end)
- */
- cmpl out_r, end(%esp)
- jbe .L_break_loop /* if (out >= end) */
-
- cmpl in_r, last(%esp)
- jbe .L_break_loop
-
-.L_do_loop:
- /* regs: %esi = in, %ebp = hold, %bl = bits, %edi = out
- *
- * do {
- * if (bits < 15) {
- * hold |= *((unsigned short *)in)++ << bits;
- * bits += 16
- * }
- * this = lcode[hold & lmask]
- */
- cmpb $15, bits_r
- ja .L_get_length_code /* if (15 < bits) */
-
- xorl %eax, %eax
- lodsw /* al = *(ushort *)in++ */
- movb bits_r, %cl /* cl = bits, needs it for shifting */
- addb $16, bits_r /* bits += 16 */
- shll %cl, %eax
- orl %eax, hold_r /* hold |= *((ushort *)in)++ << bits */
-
-.L_get_length_code:
- movl lmask(%esp), %edx /* edx = lmask */
- movl lcode(%esp), %ecx /* ecx = lcode */
- andl hold_r, %edx /* edx &= hold */
- movl (%ecx,%edx,4), %eax /* eax = lcode[hold & lmask] */
-
-.L_dolen:
- /* regs: %esi = in, %ebp = hold, %bl = bits, %edi = out
- *
- * dolen:
- * bits -= this.bits;
- * hold >>= this.bits
- */
- movb %ah, %cl /* cl = this.bits */
- subb %ah, bits_r /* bits -= this.bits */
- shrl %cl, hold_r /* hold >>= this.bits */
-
- /* check if op is a literal
- * if (op == 0) {
- * PUP(out) = this.val;
- * }
- */
- testb %al, %al
- jnz .L_test_for_length_base /* if (op != 0) 45.7% */
-
- shrl $16, %eax /* output this.val char */
- stosb
- jmp .L_while_test
-
-.L_test_for_length_base:
- /* regs: %esi = in, %ebp = hold, %bl = bits, %edi = out, %edx = len
- *
- * else if (op & 16) {
- * len = this.val
- * op &= 15
- * if (op) {
- * if (op > bits) {
- * hold |= *((unsigned short *)in)++ << bits;
- * bits += 16
- * }
- * len += hold & mask[op];
- * bits -= op;
- * hold >>= op;
- * }
- */
-#define len_r %edx
- movl %eax, len_r /* len = this */
- shrl $16, len_r /* len = this.val */
- movb %al, %cl
-
- testb $16, %al
- jz .L_test_for_second_level_length /* if ((op & 16) == 0) 8% */
- andb $15, %cl /* op &= 15 */
- jz .L_save_len /* if (!op) */
- cmpb %cl, bits_r
- jae .L_add_bits_to_len /* if (op <= bits) */
-
- movb %cl, %ch /* stash op in ch, freeing cl */
- xorl %eax, %eax
- lodsw /* al = *(ushort *)in++ */
- movb bits_r, %cl /* cl = bits, needs it for shifting */
- addb $16, bits_r /* bits += 16 */
- shll %cl, %eax
- orl %eax, hold_r /* hold |= *((ushort *)in)++ << bits */
- movb %ch, %cl /* move op back to ecx */
-
-.L_add_bits_to_len:
- movl $1, %eax
- shll %cl, %eax
- decl %eax
- subb %cl, bits_r
- andl hold_r, %eax /* eax &= hold */
- shrl %cl, hold_r
- addl %eax, len_r /* len += hold & mask[op] */
-
-.L_save_len:
- movl len_r, len(%esp) /* save len */
-#undef len_r
-
-.L_decode_distance:
- /* regs: %esi = in, %ebp = hold, %bl = bits, %edi = out, %edx = dist
- *
- * if (bits < 15) {
- * hold |= *((unsigned short *)in)++ << bits;
- * bits += 16
- * }
- * this = dcode[hold & dmask];
- * dodist:
- * bits -= this.bits;
- * hold >>= this.bits;
- * op = this.op;
- */
-
- cmpb $15, bits_r
- ja .L_get_distance_code /* if (15 < bits) */
-
- xorl %eax, %eax
- lodsw /* al = *(ushort *)in++ */
- movb bits_r, %cl /* cl = bits, needs it for shifting */
- addb $16, bits_r /* bits += 16 */
- shll %cl, %eax
- orl %eax, hold_r /* hold |= *((ushort *)in)++ << bits */
-
-.L_get_distance_code:
- movl dmask(%esp), %edx /* edx = dmask */
- movl dcode(%esp), %ecx /* ecx = dcode */
- andl hold_r, %edx /* edx &= hold */
- movl (%ecx,%edx,4), %eax /* eax = dcode[hold & dmask] */
-
-#define dist_r %edx
-.L_dodist:
- movl %eax, dist_r /* dist = this */
- shrl $16, dist_r /* dist = this.val */
- movb %ah, %cl
- subb %ah, bits_r /* bits -= this.bits */
- shrl %cl, hold_r /* hold >>= this.bits */
-
- /* if (op & 16) {
- * dist = this.val
- * op &= 15
- * if (op > bits) {
- * hold |= *((unsigned short *)in)++ << bits;
- * bits += 16
- * }
- * dist += hold & mask[op];
- * bits -= op;
- * hold >>= op;
- */
- movb %al, %cl /* cl = this.op */
-
- testb $16, %al /* if ((op & 16) == 0) */
- jz .L_test_for_second_level_dist
- andb $15, %cl /* op &= 15 */
- jz .L_check_dist_one
- cmpb %cl, bits_r
- jae .L_add_bits_to_dist /* if (op <= bits) 97.6% */
-
- movb %cl, %ch /* stash op in ch, freeing cl */
- xorl %eax, %eax
- lodsw /* al = *(ushort *)in++ */
- movb bits_r, %cl /* cl = bits, needs it for shifting */
- addb $16, bits_r /* bits += 16 */
- shll %cl, %eax
- orl %eax, hold_r /* hold |= *((ushort *)in)++ << bits */
- movb %ch, %cl /* move op back to ecx */
-
-.L_add_bits_to_dist:
- movl $1, %eax
- shll %cl, %eax
- decl %eax /* (1 << op) - 1 */
- subb %cl, bits_r
- andl hold_r, %eax /* eax &= hold */
- shrl %cl, hold_r
- addl %eax, dist_r /* dist += hold & ((1 << op) - 1) */
- jmp .L_check_window
-
-.L_check_window:
- /* regs: %esi = from, %ebp = hold, %bl = bits, %edi = out, %edx = dist
- * %ecx = nbytes
- *
- * nbytes = out - beg;
- * if (dist <= nbytes) {
- * from = out - dist;
- * do {
- * PUP(out) = PUP(from);
- * } while (--len > 0) {
- * }
- */
-
- movl in_r, in(%esp) /* save in so from can use it's reg */
- movl out_r, %eax
- subl beg(%esp), %eax /* nbytes = out - beg */
-
- cmpl dist_r, %eax
- jb .L_clip_window /* if (dist > nbytes) 4.2% */
-
- movl len(%esp), %ecx
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
-
- subl $3, %ecx
- movb (from_r), %al
- movb %al, (out_r)
- movb 1(from_r), %al
- movb 2(from_r), %dl
- addl $3, from_r
- movb %al, 1(out_r)
- movb %dl, 2(out_r)
- addl $3, out_r
- rep movsb
-
- movl in(%esp), in_r /* move in back to %esi, toss from */
- jmp .L_while_test
-
-.align 16,0x90
-.L_check_dist_one:
- cmpl $1, dist_r
- jne .L_check_window
- cmpl out_r, beg(%esp)
- je .L_check_window
-
- decl out_r
- movl len(%esp), %ecx
- movb (out_r), %al
- subl $3, %ecx
-
- movb %al, 1(out_r)
- movb %al, 2(out_r)
- movb %al, 3(out_r)
- addl $4, out_r
- rep stosb
-
- jmp .L_while_test
-
-.align 16,0x90
-.L_test_for_second_level_length:
- /* else if ((op & 64) == 0) {
- * this = lcode[this.val + (hold & mask[op])];
- * }
- */
- testb $64, %al
- jnz .L_test_for_end_of_block /* if ((op & 64) != 0) */
-
- movl $1, %eax
- shll %cl, %eax
- decl %eax
- andl hold_r, %eax /* eax &= hold */
- addl %edx, %eax /* eax += this.val */
- movl lcode(%esp), %edx /* edx = lcode */
- movl (%edx,%eax,4), %eax /* eax = lcode[val + (hold&mask[op])] */
- jmp .L_dolen
-
-.align 16,0x90
-.L_test_for_second_level_dist:
- /* else if ((op & 64) == 0) {
- * this = dcode[this.val + (hold & mask[op])];
- * }
- */
- testb $64, %al
- jnz .L_invalid_distance_code /* if ((op & 64) != 0) */
-
- movl $1, %eax
- shll %cl, %eax
- decl %eax
- andl hold_r, %eax /* eax &= hold */
- addl %edx, %eax /* eax += this.val */
- movl dcode(%esp), %edx /* edx = dcode */
- movl (%edx,%eax,4), %eax /* eax = dcode[val + (hold&mask[op])] */
- jmp .L_dodist
-
-.align 16,0x90
-.L_clip_window:
- /* regs: %esi = from, %ebp = hold, %bl = bits, %edi = out, %edx = dist
- * %ecx = nbytes
- *
- * else {
- * if (dist > wsize) {
- * invalid distance
- * }
- * from = window;
- * nbytes = dist - nbytes;
- * if (write == 0) {
- * from += wsize - nbytes;
- */
-#define nbytes_r %ecx
- movl %eax, nbytes_r
- movl wsize(%esp), %eax /* prepare for dist compare */
- negl nbytes_r /* nbytes = -nbytes */
- movl window(%esp), from_r /* from = window */
-
- cmpl dist_r, %eax
- jb .L_invalid_distance_too_far /* if (dist > wsize) */
-
- addl dist_r, nbytes_r /* nbytes = dist - nbytes */
- cmpl $0, write(%esp)
- jne .L_wrap_around_window /* if (write != 0) */
-
- subl nbytes_r, %eax
- addl %eax, from_r /* from += wsize - nbytes */
-
- /* regs: %esi = from, %ebp = hold, %bl = bits, %edi = out, %edx = dist
- * %ecx = nbytes, %eax = len
- *
- * if (nbytes < len) {
- * len -= nbytes;
- * do {
- * PUP(out) = PUP(from);
- * } while (--nbytes);
- * from = out - dist;
- * }
- * }
- */
-#define len_r %eax
- movl len(%esp), len_r
- cmpl nbytes_r, len_r
- jbe .L_do_copy1 /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
- jmp .L_do_copy1
-
- cmpl nbytes_r, len_r
- jbe .L_do_copy1 /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
- jmp .L_do_copy1
-
-.L_wrap_around_window:
- /* regs: %esi = from, %ebp = hold, %bl = bits, %edi = out, %edx = dist
- * %ecx = nbytes, %eax = write, %eax = len
- *
- * else if (write < nbytes) {
- * from += wsize + write - nbytes;
- * nbytes -= write;
- * if (nbytes < len) {
- * len -= nbytes;
- * do {
- * PUP(out) = PUP(from);
- * } while (--nbytes);
- * from = window;
- * nbytes = write;
- * if (nbytes < len) {
- * len -= nbytes;
- * do {
- * PUP(out) = PUP(from);
- * } while(--nbytes);
- * from = out - dist;
- * }
- * }
- * }
- */
-#define write_r %eax
- movl write(%esp), write_r
- cmpl write_r, nbytes_r
- jbe .L_contiguous_in_window /* if (write >= nbytes) */
-
- addl wsize(%esp), from_r
- addl write_r, from_r
- subl nbytes_r, from_r /* from += wsize + write - nbytes */
- subl write_r, nbytes_r /* nbytes -= write */
-#undef write_r
-
- movl len(%esp), len_r
- cmpl nbytes_r, len_r
- jbe .L_do_copy1 /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl window(%esp), from_r /* from = window */
- movl write(%esp), nbytes_r /* nbytes = write */
- cmpl nbytes_r, len_r
- jbe .L_do_copy1 /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
- jmp .L_do_copy1
-
-.L_contiguous_in_window:
- /* regs: %esi = from, %ebp = hold, %bl = bits, %edi = out, %edx = dist
- * %ecx = nbytes, %eax = write, %eax = len
- *
- * else {
- * from += write - nbytes;
- * if (nbytes < len) {
- * len -= nbytes;
- * do {
- * PUP(out) = PUP(from);
- * } while (--nbytes);
- * from = out - dist;
- * }
- * }
- */
-#define write_r %eax
- addl write_r, from_r
- subl nbytes_r, from_r /* from += write - nbytes */
-#undef write_r
-
- movl len(%esp), len_r
- cmpl nbytes_r, len_r
- jbe .L_do_copy1 /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
-
-.L_do_copy1:
- /* regs: %esi = from, %esi = in, %ebp = hold, %bl = bits, %edi = out
- * %eax = len
- *
- * while (len > 0) {
- * PUP(out) = PUP(from);
- * len--;
- * }
- * }
- * } while (in < last && out < end);
- */
-#undef nbytes_r
-#define in_r %esi
- movl len_r, %ecx
- rep movsb
-
- movl in(%esp), in_r /* move in back to %esi, toss from */
- jmp .L_while_test
-
-#undef len_r
-#undef dist_r
-
-#endif /* NO_MMX || RUN_TIME_MMX */
-
-
-/*** MMX code ***/
-
-#if defined( USE_MMX ) || defined( RUN_TIME_MMX )
-
-.align 32,0x90
-.L_init_mmx:
- emms
-
-#undef bits_r
-#undef bitslong_r
-#define bitslong_r %ebp
-#define hold_mm %mm0
- movd %ebp, hold_mm
- movl %ebx, bitslong_r
-
-#define used_mm %mm1
-#define dmask2_mm %mm2
-#define lmask2_mm %mm3
-#define lmask_mm %mm4
-#define dmask_mm %mm5
-#define tmp_mm %mm6
-
- movd lmask(%esp), lmask_mm
- movq lmask_mm, lmask2_mm
- movd dmask(%esp), dmask_mm
- movq dmask_mm, dmask2_mm
- pxor used_mm, used_mm
- movl lcode(%esp), %ebx /* ebx = lcode */
- jmp .L_do_loop_mmx
-
-.align 32,0x90
-.L_while_test_mmx:
- /* while (in < last && out < end)
- */
- cmpl out_r, end(%esp)
- jbe .L_break_loop /* if (out >= end) */
-
- cmpl in_r, last(%esp)
- jbe .L_break_loop
-
-.L_do_loop_mmx:
- psrlq used_mm, hold_mm /* hold_mm >>= last bit length */
-
- cmpl $32, bitslong_r
- ja .L_get_length_code_mmx /* if (32 < bits) */
-
- movd bitslong_r, tmp_mm
- movd (in_r), %mm7
- addl $4, in_r
- psllq tmp_mm, %mm7
- addl $32, bitslong_r
- por %mm7, hold_mm /* hold_mm |= *((uint *)in)++ << bits */
-
-.L_get_length_code_mmx:
- pand hold_mm, lmask_mm
- movd lmask_mm, %eax
- movq lmask2_mm, lmask_mm
- movl (%ebx,%eax,4), %eax /* eax = lcode[hold & lmask] */
-
-.L_dolen_mmx:
- movzbl %ah, %ecx /* ecx = this.bits */
- movd %ecx, used_mm
- subl %ecx, bitslong_r /* bits -= this.bits */
-
- testb %al, %al
- jnz .L_test_for_length_base_mmx /* if (op != 0) 45.7% */
-
- shrl $16, %eax /* output this.val char */
- stosb
- jmp .L_while_test_mmx
-
-.L_test_for_length_base_mmx:
-#define len_r %edx
- movl %eax, len_r /* len = this */
- shrl $16, len_r /* len = this.val */
-
- testb $16, %al
- jz .L_test_for_second_level_length_mmx /* if ((op & 16) == 0) 8% */
- andl $15, %eax /* op &= 15 */
- jz .L_decode_distance_mmx /* if (!op) */
-
- psrlq used_mm, hold_mm /* hold_mm >>= last bit length */
- movd %eax, used_mm
- movd hold_mm, %ecx
- subl %eax, bitslong_r
- andl .L_mask(,%eax,4), %ecx
- addl %ecx, len_r /* len += hold & mask[op] */
-
-.L_decode_distance_mmx:
- psrlq used_mm, hold_mm /* hold_mm >>= last bit length */
-
- cmpl $32, bitslong_r
- ja .L_get_dist_code_mmx /* if (32 < bits) */
-
- movd bitslong_r, tmp_mm
- movd (in_r), %mm7
- addl $4, in_r
- psllq tmp_mm, %mm7
- addl $32, bitslong_r
- por %mm7, hold_mm /* hold_mm |= *((uint *)in)++ << bits */
-
-.L_get_dist_code_mmx:
- movl dcode(%esp), %ebx /* ebx = dcode */
- pand hold_mm, dmask_mm
- movd dmask_mm, %eax
- movq dmask2_mm, dmask_mm
- movl (%ebx,%eax,4), %eax /* eax = dcode[hold & lmask] */
-
-.L_dodist_mmx:
-#define dist_r %ebx
- movzbl %ah, %ecx /* ecx = this.bits */
- movl %eax, dist_r
- shrl $16, dist_r /* dist = this.val */
- subl %ecx, bitslong_r /* bits -= this.bits */
- movd %ecx, used_mm
-
- testb $16, %al /* if ((op & 16) == 0) */
- jz .L_test_for_second_level_dist_mmx
- andl $15, %eax /* op &= 15 */
- jz .L_check_dist_one_mmx
-
-.L_add_bits_to_dist_mmx:
- psrlq used_mm, hold_mm /* hold_mm >>= last bit length */
- movd %eax, used_mm /* save bit length of current op */
- movd hold_mm, %ecx /* get the next bits on input stream */
- subl %eax, bitslong_r /* bits -= op bits */
- andl .L_mask(,%eax,4), %ecx /* ecx = hold & mask[op] */
- addl %ecx, dist_r /* dist += hold & mask[op] */
-
-.L_check_window_mmx:
- movl in_r, in(%esp) /* save in so from can use it's reg */
- movl out_r, %eax
- subl beg(%esp), %eax /* nbytes = out - beg */
-
- cmpl dist_r, %eax
- jb .L_clip_window_mmx /* if (dist > nbytes) 4.2% */
-
- movl len_r, %ecx
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
-
- subl $3, %ecx
- movb (from_r), %al
- movb %al, (out_r)
- movb 1(from_r), %al
- movb 2(from_r), %dl
- addl $3, from_r
- movb %al, 1(out_r)
- movb %dl, 2(out_r)
- addl $3, out_r
- rep movsb
-
- movl in(%esp), in_r /* move in back to %esi, toss from */
- movl lcode(%esp), %ebx /* move lcode back to %ebx, toss dist */
- jmp .L_while_test_mmx
-
-.align 16,0x90
-.L_check_dist_one_mmx:
- cmpl $1, dist_r
- jne .L_check_window_mmx
- cmpl out_r, beg(%esp)
- je .L_check_window_mmx
-
- decl out_r
- movl len_r, %ecx
- movb (out_r), %al
- subl $3, %ecx
-
- movb %al, 1(out_r)
- movb %al, 2(out_r)
- movb %al, 3(out_r)
- addl $4, out_r
- rep stosb
-
- movl lcode(%esp), %ebx /* move lcode back to %ebx, toss dist */
- jmp .L_while_test_mmx
-
-.align 16,0x90
-.L_test_for_second_level_length_mmx:
- testb $64, %al
- jnz .L_test_for_end_of_block /* if ((op & 64) != 0) */
-
- andl $15, %eax
- psrlq used_mm, hold_mm /* hold_mm >>= last bit length */
- movd hold_mm, %ecx
- andl .L_mask(,%eax,4), %ecx
- addl len_r, %ecx
- movl (%ebx,%ecx,4), %eax /* eax = lcode[hold & lmask] */
- jmp .L_dolen_mmx
-
-.align 16,0x90
-.L_test_for_second_level_dist_mmx:
- testb $64, %al
- jnz .L_invalid_distance_code /* if ((op & 64) != 0) */
-
- andl $15, %eax
- psrlq used_mm, hold_mm /* hold_mm >>= last bit length */
- movd hold_mm, %ecx
- andl .L_mask(,%eax,4), %ecx
- movl dcode(%esp), %eax /* ecx = dcode */
- addl dist_r, %ecx
- movl (%eax,%ecx,4), %eax /* eax = lcode[hold & lmask] */
- jmp .L_dodist_mmx
-
-.align 16,0x90
-.L_clip_window_mmx:
-#define nbytes_r %ecx
- movl %eax, nbytes_r
- movl wsize(%esp), %eax /* prepare for dist compare */
- negl nbytes_r /* nbytes = -nbytes */
- movl window(%esp), from_r /* from = window */
-
- cmpl dist_r, %eax
- jb .L_invalid_distance_too_far /* if (dist > wsize) */
-
- addl dist_r, nbytes_r /* nbytes = dist - nbytes */
- cmpl $0, write(%esp)
- jne .L_wrap_around_window_mmx /* if (write != 0) */
-
- subl nbytes_r, %eax
- addl %eax, from_r /* from += wsize - nbytes */
-
- cmpl nbytes_r, len_r
- jbe .L_do_copy1_mmx /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
- jmp .L_do_copy1_mmx
-
- cmpl nbytes_r, len_r
- jbe .L_do_copy1_mmx /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
- jmp .L_do_copy1_mmx
-
-.L_wrap_around_window_mmx:
-#define write_r %eax
- movl write(%esp), write_r
- cmpl write_r, nbytes_r
- jbe .L_contiguous_in_window_mmx /* if (write >= nbytes) */
-
- addl wsize(%esp), from_r
- addl write_r, from_r
- subl nbytes_r, from_r /* from += wsize + write - nbytes */
- subl write_r, nbytes_r /* nbytes -= write */
-#undef write_r
-
- cmpl nbytes_r, len_r
- jbe .L_do_copy1_mmx /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl window(%esp), from_r /* from = window */
- movl write(%esp), nbytes_r /* nbytes = write */
- cmpl nbytes_r, len_r
- jbe .L_do_copy1_mmx /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
- jmp .L_do_copy1_mmx
-
-.L_contiguous_in_window_mmx:
-#define write_r %eax
- addl write_r, from_r
- subl nbytes_r, from_r /* from += write - nbytes */
-#undef write_r
-
- cmpl nbytes_r, len_r
- jbe .L_do_copy1_mmx /* if (nbytes >= len) */
-
- subl nbytes_r, len_r /* len -= nbytes */
- rep movsb
- movl out_r, from_r
- subl dist_r, from_r /* from = out - dist */
-
-.L_do_copy1_mmx:
-#undef nbytes_r
-#define in_r %esi
- movl len_r, %ecx
- rep movsb
-
- movl in(%esp), in_r /* move in back to %esi, toss from */
- movl lcode(%esp), %ebx /* move lcode back to %ebx, toss dist */
- jmp .L_while_test_mmx
-
-#undef hold_r
-#undef bitslong_r
-
-#endif /* USE_MMX || RUN_TIME_MMX */
-
-
-/*** USE_MMX, NO_MMX, and RUNTIME_MMX from here on ***/
-
-.L_invalid_distance_code:
- /* else {
- * strm->msg = "invalid distance code";
- * state->mode = BAD;
- * }
- */
- movl $.L_invalid_distance_code_msg, %ecx
- movl $INFLATE_MODE_BAD, %edx
- jmp .L_update_stream_state
-
-.L_test_for_end_of_block:
- /* else if (op & 32) {
- * state->mode = TYPE;
- * break;
- * }
- */
- testb $32, %al
- jz .L_invalid_literal_length_code /* if ((op & 32) == 0) */
-
- movl $0, %ecx
- movl $INFLATE_MODE_TYPE, %edx
- jmp .L_update_stream_state
-
-.L_invalid_literal_length_code:
- /* else {
- * strm->msg = "invalid literal/length code";
- * state->mode = BAD;
- * }
- */
- movl $.L_invalid_literal_length_code_msg, %ecx
- movl $INFLATE_MODE_BAD, %edx
- jmp .L_update_stream_state
-
-.L_invalid_distance_too_far:
- /* strm->msg = "invalid distance too far back";
- * state->mode = BAD;
- */
- movl in(%esp), in_r /* from_r has in's reg, put in back */
- movl $.L_invalid_distance_too_far_msg, %ecx
- movl $INFLATE_MODE_BAD, %edx
- jmp .L_update_stream_state
-
-.L_update_stream_state:
- /* set strm->msg = %ecx, strm->state->mode = %edx */
- movl strm_sp(%esp), %eax
- testl %ecx, %ecx /* if (msg != NULL) */
- jz .L_skip_msg
- movl %ecx, msg_strm(%eax) /* strm->msg = msg */
-.L_skip_msg:
- movl state_strm(%eax), %eax /* state = strm->state */
- movl %edx, mode_state(%eax) /* state->mode = edx (BAD | TYPE) */
- jmp .L_break_loop
-
-.align 32,0x90
-.L_break_loop:
-
-/*
- * Regs:
- *
- * bits = %ebp when mmx, and in %ebx when non-mmx
- * hold = %hold_mm when mmx, and in %ebp when non-mmx
- * in = %esi
- * out = %edi
- */
-
-#if defined( USE_MMX ) || defined( RUN_TIME_MMX )
-
-#if defined( RUN_TIME_MMX )
-
- cmpl $DO_USE_MMX, inflate_fast_use_mmx
- jne .L_update_next_in
-
-#endif /* RUN_TIME_MMX */
-
- movl %ebp, %ebx
-
-.L_update_next_in:
-
-#endif
-
-#define strm_r %eax
-#define state_r %edx
-
- /* len = bits >> 3;
- * in -= len;
- * bits -= len << 3;
- * hold &= (1U << bits) - 1;
- * state->hold = hold;
- * state->bits = bits;
- * strm->next_in = in;
- * strm->next_out = out;
- */
- movl strm_sp(%esp), strm_r
- movl %ebx, %ecx
- movl state_strm(strm_r), state_r
- shrl $3, %ecx
- subl %ecx, in_r
- shll $3, %ecx
- subl %ecx, %ebx
- movl out_r, next_out_strm(strm_r)
- movl %ebx, bits_state(state_r)
- movl %ebx, %ecx
-
- leal buf(%esp), %ebx
- cmpl %ebx, last(%esp)
- jne .L_buf_not_used /* if buf != last */
-
- subl %ebx, in_r /* in -= buf */
- movl next_in_strm(strm_r), %ebx
- movl %ebx, last(%esp) /* last = strm->next_in */
- addl %ebx, in_r /* in += strm->next_in */
- movl avail_in_strm(strm_r), %ebx
- subl $11, %ebx
- addl %ebx, last(%esp) /* last = &strm->next_in[ avail_in - 11 ] */
-
-.L_buf_not_used:
- movl in_r, next_in_strm(strm_r)
-
- movl $1, %ebx
- shll %cl, %ebx
- decl %ebx
-
-#if defined( USE_MMX ) || defined( RUN_TIME_MMX )
-
-#if defined( RUN_TIME_MMX )
-
- cmpl $DO_USE_MMX, inflate_fast_use_mmx
- jne .L_update_hold
-
-#endif /* RUN_TIME_MMX */
-
- psrlq used_mm, hold_mm /* hold_mm >>= last bit length */
- movd hold_mm, %ebp
-
- emms
-
-.L_update_hold:
-
-#endif /* USE_MMX || RUN_TIME_MMX */
-
- andl %ebx, %ebp
- movl %ebp, hold_state(state_r)
-
-#define last_r %ebx
-
- /* strm->avail_in = in < last ? 11 + (last - in) : 11 - (in - last) */
- movl last(%esp), last_r
- cmpl in_r, last_r
- jbe .L_last_is_smaller /* if (in >= last) */
-
- subl in_r, last_r /* last -= in */
- addl $11, last_r /* last += 11 */
- movl last_r, avail_in_strm(strm_r)
- jmp .L_fixup_out
-.L_last_is_smaller:
- subl last_r, in_r /* in -= last */
- negl in_r /* in = -in */
- addl $11, in_r /* in += 11 */
- movl in_r, avail_in_strm(strm_r)
-
-#undef last_r
-#define end_r %ebx
-
-.L_fixup_out:
- /* strm->avail_out = out < end ? 257 + (end - out) : 257 - (out - end)*/
- movl end(%esp), end_r
- cmpl out_r, end_r
- jbe .L_end_is_smaller /* if (out >= end) */
-
- subl out_r, end_r /* end -= out */
- addl $257, end_r /* end += 257 */
- movl end_r, avail_out_strm(strm_r)
- jmp .L_done
-.L_end_is_smaller:
- subl end_r, out_r /* out -= end */
- negl out_r /* out = -out */
- addl $257, out_r /* out += 257 */
- movl out_r, avail_out_strm(strm_r)
-
-#undef end_r
-#undef strm_r
-#undef state_r
-
-.L_done:
- addl $local_var_size, %esp
- popf
- popl %ebx
- popl %ebp
- popl %esi
- popl %edi
- ret
-
-#if defined( GAS_ELF )
-/* elf info */
-.type inflate_fast,@function
-.size inflate_fast,.-inflate_fast
-#endif
+++ /dev/null
-
-#include "zfstream.h"
-
-int main() {
-
- // Construct a stream object with this filebuffer. Anything sent
- // to this stream will go to standard out.
- gzofstream os( 1, ios::out );
-
- // This text is getting compressed and sent to stdout.
- // To prove this, run 'test | zcat'.
- os << "Hello, Mommy" << endl;
-
- os << setcompressionlevel( Z_NO_COMPRESSION );
- os << "hello, hello, hi, ho!" << endl;
-
- setcompressionlevel( os, Z_DEFAULT_COMPRESSION )
- << "I'm compressing again" << endl;
-
- os.close();
-
- return 0;
-
-}
+++ /dev/null
-
-#include "zfstream.h"
-
-gzfilebuf::gzfilebuf() :
- file(NULL),
- mode(0),
- own_file_descriptor(0)
-{ }
-
-gzfilebuf::~gzfilebuf() {
-
- sync();
- if ( own_file_descriptor )
- close();
-
-}
-
-gzfilebuf *gzfilebuf::open( const char *name,
- int io_mode ) {
-
- if ( is_open() )
- return NULL;
-
- char char_mode[10];
- char *p = char_mode;
-
- if ( io_mode & ios::in ) {
- mode = ios::in;
- *p++ = 'r';
- } else if ( io_mode & ios::app ) {
- mode = ios::app;
- *p++ = 'a';
- } else {
- mode = ios::out;
- *p++ = 'w';
- }
-
- if ( io_mode & ios::binary ) {
- mode |= ios::binary;
- *p++ = 'b';
- }
-
- // Hard code the compression level
- if ( io_mode & (ios::out|ios::app )) {
- *p++ = '9';
- }
-
- // Put the end-of-string indicator
- *p = '\0';
-
- if ( (file = gzopen(name, char_mode)) == NULL )
- return NULL;
-
- own_file_descriptor = 1;
-
- return this;
-
-}
-
-gzfilebuf *gzfilebuf::attach( int file_descriptor,
- int io_mode ) {
-
- if ( is_open() )
- return NULL;
-
- char char_mode[10];
- char *p = char_mode;
-
- if ( io_mode & ios::in ) {
- mode = ios::in;
- *p++ = 'r';
- } else if ( io_mode & ios::app ) {
- mode = ios::app;
- *p++ = 'a';
- } else {
- mode = ios::out;
- *p++ = 'w';
- }
-
- if ( io_mode & ios::binary ) {
- mode |= ios::binary;
- *p++ = 'b';
- }
-
- // Hard code the compression level
- if ( io_mode & (ios::out|ios::app )) {
- *p++ = '9';
- }
-
- // Put the end-of-string indicator
- *p = '\0';
-
- if ( (file = gzdopen(file_descriptor, char_mode)) == NULL )
- return NULL;
-
- own_file_descriptor = 0;
-
- return this;
-
-}
-
-gzfilebuf *gzfilebuf::close() {
-
- if ( is_open() ) {
-
- sync();
- gzclose( file );
- file = NULL;
-
- }
-
- return this;
-
-}
-
-int gzfilebuf::setcompressionlevel( int comp_level ) {
-
- return gzsetparams(file, comp_level, -2);
-
-}
-
-int gzfilebuf::setcompressionstrategy( int comp_strategy ) {
-
- return gzsetparams(file, -2, comp_strategy);
-
-}
-
-
-streampos gzfilebuf::seekoff( streamoff off, ios::seek_dir dir, int which ) {
-
- return streampos(EOF);
-
-}
-
-int gzfilebuf::underflow() {
-
- // If the file hasn't been opened for reading, error.
- if ( !is_open() || !(mode & ios::in) )
- return EOF;
-
- // if a buffer doesn't exists, allocate one.
- if ( !base() ) {
-
- if ( (allocate()) == EOF )
- return EOF;
- setp(0,0);
-
- } else {
-
- if ( in_avail() )
- return (unsigned char) *gptr();
-
- if ( out_waiting() ) {
- if ( flushbuf() == EOF )
- return EOF;
- }
-
- }
-
- // Attempt to fill the buffer.
-
- int result = fillbuf();
- if ( result == EOF ) {
- // disable get area
- setg(0,0,0);
- return EOF;
- }
-
- return (unsigned char) *gptr();
-
-}
-
-int gzfilebuf::overflow( int c ) {
-
- if ( !is_open() || !(mode & ios::out) )
- return EOF;
-
- if ( !base() ) {
- if ( allocate() == EOF )
- return EOF;
- setg(0,0,0);
- } else {
- if (in_avail()) {
- return EOF;
- }
- if (out_waiting()) {
- if (flushbuf() == EOF)
- return EOF;
- }
- }
-
- int bl = blen();
- setp( base(), base() + bl);
-
- if ( c != EOF ) {
-
- *pptr() = c;
- pbump(1);
-
- }
-
- return 0;
-
-}
-
-int gzfilebuf::sync() {
-
- if ( !is_open() )
- return EOF;
-
- if ( out_waiting() )
- return flushbuf();
-
- return 0;
-
-}
-
-int gzfilebuf::flushbuf() {
-
- int n;
- char *q;
-
- q = pbase();
- n = pptr() - q;
-
- if ( gzwrite( file, q, n) < n )
- return EOF;
-
- setp(0,0);
-
- return 0;
-
-}
-
-int gzfilebuf::fillbuf() {
-
- int required;
- char *p;
-
- p = base();
-
- required = blen();
-
- int t = gzread( file, p, required );
-
- if ( t <= 0) return EOF;
-
- setg( base(), base(), base()+t);
-
- return t;
-
-}
-
-gzfilestream_common::gzfilestream_common() :
- ios( gzfilestream_common::rdbuf() )
-{ }
-
-gzfilestream_common::~gzfilestream_common()
-{ }
-
-void gzfilestream_common::attach( int fd, int io_mode ) {
-
- if ( !buffer.attach( fd, io_mode) )
- clear( ios::failbit | ios::badbit );
- else
- clear();
-
-}
-
-void gzfilestream_common::open( const char *name, int io_mode ) {
-
- if ( !buffer.open( name, io_mode ) )
- clear( ios::failbit | ios::badbit );
- else
- clear();
-
-}
-
-void gzfilestream_common::close() {
-
- if ( !buffer.close() )
- clear( ios::failbit | ios::badbit );
-
-}
-
-gzfilebuf *gzfilestream_common::rdbuf()
-{
- return &buffer;
-}
-
-gzifstream::gzifstream() :
- ios( gzfilestream_common::rdbuf() )
-{
- clear( ios::badbit );
-}
-
-gzifstream::gzifstream( const char *name, int io_mode ) :
- ios( gzfilestream_common::rdbuf() )
-{
- gzfilestream_common::open( name, io_mode );
-}
-
-gzifstream::gzifstream( int fd, int io_mode ) :
- ios( gzfilestream_common::rdbuf() )
-{
- gzfilestream_common::attach( fd, io_mode );
-}
-
-gzifstream::~gzifstream() { }
-
-gzofstream::gzofstream() :
- ios( gzfilestream_common::rdbuf() )
-{
- clear( ios::badbit );
-}
-
-gzofstream::gzofstream( const char *name, int io_mode ) :
- ios( gzfilestream_common::rdbuf() )
-{
- gzfilestream_common::open( name, io_mode );
-}
-
-gzofstream::gzofstream( int fd, int io_mode ) :
- ios( gzfilestream_common::rdbuf() )
-{
- gzfilestream_common::attach( fd, io_mode );
-}
-
-gzofstream::~gzofstream() { }
+++ /dev/null
-
-#ifndef zfstream_h
-#define zfstream_h
-
-#include <fstream.h>
-#include "zlib.h"
-
-class gzfilebuf : public streambuf {
-
-public:
-
- gzfilebuf( );
- virtual ~gzfilebuf();
-
- gzfilebuf *open( const char *name, int io_mode );
- gzfilebuf *attach( int file_descriptor, int io_mode );
- gzfilebuf *close();
-
- int setcompressionlevel( int comp_level );
- int setcompressionstrategy( int comp_strategy );
-
- inline int is_open() const { return (file !=NULL); }
-
- virtual streampos seekoff( streamoff, ios::seek_dir, int );
-
- virtual int sync();
-
-protected:
-
- virtual int underflow();
- virtual int overflow( int = EOF );
-
-private:
-
- gzFile file;
- short mode;
- short own_file_descriptor;
-
- int flushbuf();
- int fillbuf();
-
-};
-
-class gzfilestream_common : virtual public ios {
-
- friend class gzifstream;
- friend class gzofstream;
- friend gzofstream &setcompressionlevel( gzofstream &, int );
- friend gzofstream &setcompressionstrategy( gzofstream &, int );
-
-public:
- virtual ~gzfilestream_common();
-
- void attach( int fd, int io_mode );
- void open( const char *name, int io_mode );
- void close();
-
-protected:
- gzfilestream_common();
-
-private:
- gzfilebuf *rdbuf();
-
- gzfilebuf buffer;
-
-};
-
-class gzifstream : public gzfilestream_common, public istream {
-
-public:
-
- gzifstream();
- gzifstream( const char *name, int io_mode = ios::in );
- gzifstream( int fd, int io_mode = ios::in );
-
- virtual ~gzifstream();
-
-};
-
-class gzofstream : public gzfilestream_common, public ostream {
-
-public:
-
- gzofstream();
- gzofstream( const char *name, int io_mode = ios::out );
- gzofstream( int fd, int io_mode = ios::out );
-
- virtual ~gzofstream();
-
-};
-
-template<class T> class gzomanip {
- friend gzofstream &operator<<(gzofstream &, const gzomanip<T> &);
-public:
- gzomanip(gzofstream &(*f)(gzofstream &, T), T v) : func(f), val(v) { }
-private:
- gzofstream &(*func)(gzofstream &, T);
- T val;
-};
-
-template<class T> gzofstream &operator<<(gzofstream &s, const gzomanip<T> &m)
-{
- return (*m.func)(s, m.val);
-}
-
-inline gzofstream &setcompressionlevel( gzofstream &s, int l )
-{
- (s.rdbuf())->setcompressionlevel(l);
- return s;
-}
-
-inline gzofstream &setcompressionstrategy( gzofstream &s, int l )
-{
- (s.rdbuf())->setcompressionstrategy(l);
- return s;
-}
-
-inline gzomanip<int> setcompressionlevel(int l)
-{
- return gzomanip<int>(&setcompressionlevel,l);
-}
-
-inline gzomanip<int> setcompressionstrategy(int l)
-{
- return gzomanip<int>(&setcompressionstrategy,l);
-}
-
-#endif
+++ /dev/null
-/*
- *
- * Copyright (c) 1997
- * Christian Michelsen Research AS
- * Advanced Computing
- * Fantoftvegen 38, 5036 BERGEN, Norway
- * http://www.cmr.no
- *
- * Permission to use, copy, modify, distribute and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation. Christian Michelsen Research AS makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- */
-
-#ifndef ZSTREAM__H
-#define ZSTREAM__H
-
-/*
- * zstream.h - C++ interface to the 'zlib' general purpose compression library
- * $Id: zstream.h 1.1 1997-06-25 12:00:56+02 tyge Exp tyge $
- */
-
-#include <strstream.h>
-#include <string.h>
-#include <stdio.h>
-#include "zlib.h"
-
-#if defined(_WIN32)
-# include <fcntl.h>
-# include <io.h>
-# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
-#else
-# define SET_BINARY_MODE(file)
-#endif
-
-class zstringlen {
-public:
- zstringlen(class izstream&);
- zstringlen(class ozstream&, const char*);
- size_t value() const { return val.word; }
-private:
- struct Val { unsigned char byte; size_t word; } val;
-};
-
-// ----------------------------- izstream -----------------------------
-
-class izstream
-{
- public:
- izstream() : m_fp(0) {}
- izstream(FILE* fp) : m_fp(0) { open(fp); }
- izstream(const char* name) : m_fp(0) { open(name); }
- ~izstream() { close(); }
-
- /* Opens a gzip (.gz) file for reading.
- * open() can be used to read a file which is not in gzip format;
- * in this case read() will directly read from the file without
- * decompression. errno can be checked to distinguish two error
- * cases (if errno is zero, the zlib error is Z_MEM_ERROR).
- */
- void open(const char* name) {
- if (m_fp) close();
- m_fp = ::gzopen(name, "rb");
- }
-
- void open(FILE* fp) {
- SET_BINARY_MODE(fp);
- if (m_fp) close();
- m_fp = ::gzdopen(fileno(fp), "rb");
- }
-
- /* Flushes all pending input if necessary, closes the compressed file
- * and deallocates all the (de)compression state. The return value is
- * the zlib error number (see function error() below).
- */
- int close() {
- int r = ::gzclose(m_fp);
- m_fp = 0; return r;
- }
-
- /* Binary read the given number of bytes from the compressed file.
- */
- int read(void* buf, size_t len) {
- return ::gzread(m_fp, buf, len);
- }
-
- /* Returns the error message for the last error which occurred on the
- * given compressed file. errnum is set to zlib error number. If an
- * error occurred in the file system and not in the compression library,
- * errnum is set to Z_ERRNO and the application may consult errno
- * to get the exact error code.
- */
- const char* error(int* errnum) {
- return ::gzerror(m_fp, errnum);
- }
-
- gzFile fp() { return m_fp; }
-
- private:
- gzFile m_fp;
-};
-
-/*
- * Binary read the given (array of) object(s) from the compressed file.
- * If the input file was not in gzip format, read() copies the objects number
- * of bytes into the buffer.
- * returns the number of uncompressed bytes actually read
- * (0 for end of file, -1 for error).
- */
-template <class T, class Items>
-inline int read(izstream& zs, T* x, Items items) {
- return ::gzread(zs.fp(), x, items*sizeof(T));
-}
-
-/*
- * Binary input with the '>' operator.
- */
-template <class T>
-inline izstream& operator>(izstream& zs, T& x) {
- ::gzread(zs.fp(), &x, sizeof(T));
- return zs;
-}
-
-
-inline zstringlen::zstringlen(izstream& zs) {
- zs > val.byte;
- if (val.byte == 255) zs > val.word;
- else val.word = val.byte;
-}
-
-/*
- * Read length of string + the string with the '>' operator.
- */
-inline izstream& operator>(izstream& zs, char* x) {
- zstringlen len(zs);
- ::gzread(zs.fp(), x, len.value());
- x[len.value()] = '\0';
- return zs;
-}
-
-inline char* read_string(izstream& zs) {
- zstringlen len(zs);
- char* x = new char[len.value()+1];
- ::gzread(zs.fp(), x, len.value());
- x[len.value()] = '\0';
- return x;
-}
-
-// ----------------------------- ozstream -----------------------------
-
-class ozstream
-{
- public:
- ozstream() : m_fp(0), m_os(0) {
- }
- ozstream(FILE* fp, int level = Z_DEFAULT_COMPRESSION)
- : m_fp(0), m_os(0) {
- open(fp, level);
- }
- ozstream(const char* name, int level = Z_DEFAULT_COMPRESSION)
- : m_fp(0), m_os(0) {
- open(name, level);
- }
- ~ozstream() {
- close();
- }
-
- /* Opens a gzip (.gz) file for writing.
- * The compression level parameter should be in 0..9
- * errno can be checked to distinguish two error cases
- * (if errno is zero, the zlib error is Z_MEM_ERROR).
- */
- void open(const char* name, int level = Z_DEFAULT_COMPRESSION) {
- char mode[4] = "wb\0";
- if (level != Z_DEFAULT_COMPRESSION) mode[2] = '0'+level;
- if (m_fp) close();
- m_fp = ::gzopen(name, mode);
- }
-
- /* open from a FILE pointer.
- */
- void open(FILE* fp, int level = Z_DEFAULT_COMPRESSION) {
- SET_BINARY_MODE(fp);
- char mode[4] = "wb\0";
- if (level != Z_DEFAULT_COMPRESSION) mode[2] = '0'+level;
- if (m_fp) close();
- m_fp = ::gzdopen(fileno(fp), mode);
- }
-
- /* Flushes all pending output if necessary, closes the compressed file
- * and deallocates all the (de)compression state. The return value is
- * the zlib error number (see function error() below).
- */
- int close() {
- if (m_os) {
- ::gzwrite(m_fp, m_os->str(), m_os->pcount());
- delete[] m_os->str(); delete m_os; m_os = 0;
- }
- int r = ::gzclose(m_fp); m_fp = 0; return r;
- }
-
- /* Binary write the given number of bytes into the compressed file.
- */
- int write(const void* buf, size_t len) {
- return ::gzwrite(m_fp, (voidp) buf, len);
- }
-
- /* Flushes all pending output into the compressed file. The parameter
- * _flush is as in the deflate() function. The return value is the zlib
- * error number (see function gzerror below). flush() returns Z_OK if
- * the flush_ parameter is Z_FINISH and all output could be flushed.
- * flush() should be called only when strictly necessary because it can
- * degrade compression.
- */
- int flush(int _flush) {
- os_flush();
- return ::gzflush(m_fp, _flush);
- }
-
- /* Returns the error message for the last error which occurred on the
- * given compressed file. errnum is set to zlib error number. If an
- * error occurred in the file system and not in the compression library,
- * errnum is set to Z_ERRNO and the application may consult errno
- * to get the exact error code.
- */
- const char* error(int* errnum) {
- return ::gzerror(m_fp, errnum);
- }
-
- gzFile fp() { return m_fp; }
-
- ostream& os() {
- if (m_os == 0) m_os = new ostrstream;
- return *m_os;
- }
-
- void os_flush() {
- if (m_os && m_os->pcount()>0) {
- ostrstream* oss = new ostrstream;
- oss->fill(m_os->fill());
- oss->flags(m_os->flags());
- oss->precision(m_os->precision());
- oss->width(m_os->width());
- ::gzwrite(m_fp, m_os->str(), m_os->pcount());
- delete[] m_os->str(); delete m_os; m_os = oss;
- }
- }
-
- private:
- gzFile m_fp;
- ostrstream* m_os;
-};
-
-/*
- * Binary write the given (array of) object(s) into the compressed file.
- * returns the number of uncompressed bytes actually written
- * (0 in case of error).
- */
-template <class T, class Items>
-inline int write(ozstream& zs, const T* x, Items items) {
- return ::gzwrite(zs.fp(), (voidp) x, items*sizeof(T));
-}
-
-/*
- * Binary output with the '<' operator.
- */
-template <class T>
-inline ozstream& operator<(ozstream& zs, const T& x) {
- ::gzwrite(zs.fp(), (voidp) &x, sizeof(T));
- return zs;
-}
-
-inline zstringlen::zstringlen(ozstream& zs, const char* x) {
- val.byte = 255; val.word = ::strlen(x);
- if (val.word < 255) zs < (val.byte = val.word);
- else zs < val;
-}
-
-/*
- * Write length of string + the string with the '<' operator.
- */
-inline ozstream& operator<(ozstream& zs, const char* x) {
- zstringlen len(zs, x);
- ::gzwrite(zs.fp(), (voidp) x, len.value());
- return zs;
-}
-
-#ifdef _MSC_VER
-inline ozstream& operator<(ozstream& zs, char* const& x) {
- return zs < (const char*) x;
-}
-#endif
-
-/*
- * Ascii write with the << operator;
- */
-template <class T>
-inline ostream& operator<<(ozstream& zs, const T& x) {
- zs.os_flush();
- return zs.os() << x;
-}
-
-#endif
+++ /dev/null
-#include "zstream.h"
-#include <math.h>
-#include <stdlib.h>
-#include <iomanip.h>
-
-void main() {
- char h[256] = "Hello";
- char* g = "Goodbye";
- ozstream out("temp.gz");
- out < "This works well" < h < g;
- out.close();
-
- izstream in("temp.gz"); // read it back
- char *x = read_string(in), *y = new char[256], z[256];
- in > y > z;
- in.close();
- cout << x << endl << y << endl << z << endl;
-
- out.open("temp.gz"); // try ascii output; zcat temp.gz to see the results
- out << setw(50) << setfill('#') << setprecision(20) << x << endl << y << endl << z << endl;
- out << z << endl << y << endl << x << endl;
- out << 1.1234567890123456789 << endl;
-
- delete[] x; delete[] y;
-}
+++ /dev/null
-These classes provide a C++ stream interface to the zlib library. It allows you
-to do things like:
-
- gzofstream outf("blah.gz");
- outf << "These go into the gzip file " << 123 << endl;
-
-It does this by deriving a specialized stream buffer for gzipped files, which is
-the way Stroustrup would have done it. :->
-
-The gzifstream and gzofstream classes were originally written by Kevin Ruland
-and made available in the zlib contrib/iostream directory. The older version still
-compiles under gcc 2.xx, but not under gcc 3.xx, which sparked the development of
-this version.
-
-The new classes are as standard-compliant as possible, closely following the
-approach of the standard library's fstream classes. It compiles under gcc versions
-3.2 and 3.3, but not under gcc 2.xx. This is mainly due to changes in the standard
-library naming scheme. The new version of gzifstream/gzofstream/gzfilebuf differs
-from the previous one in the following respects:
-- added showmanyc
-- added setbuf, with support for unbuffered output via setbuf(0,0)
-- a few bug fixes of stream behavior
-- gzipped output file opened with default compression level instead of maximum level
-- setcompressionlevel()/strategy() members replaced by single setcompression()
-
-The code is provided "as is", with the permission to use, copy, modify, distribute
-and sell it for any purpose without fee.
-
-Ludwig Schwardt
-<schwardt@sun.ac.za>
-
-DSP Lab
-Electrical & Electronic Engineering Department
-University of Stellenbosch
-South Africa
+++ /dev/null
-Possible upgrades to gzfilebuf:
-
-- The ability to do putback (e.g. putbackfail)
-
-- The ability to seek (zlib supports this, but could be slow/tricky)
-
-- Simultaneous read/write access (does it make sense?)
-
-- Support for ios_base::ate open mode
-
-- Locale support?
-
-- Check public interface to see which calls give problems
- (due to dependence on library internals)
-
-- Override operator<<(ostream&, gzfilebuf*) to allow direct copying
- of stream buffer to stream ( i.e. os << is.rdbuf(); )
+++ /dev/null
-/*
- * Test program for gzifstream and gzofstream
- *
- * by Ludwig Schwardt <schwardt@sun.ac.za>
- * original version by Kevin Ruland <kevin@rodin.wustl.edu>
- */
-
-#include "zfstream.h"
-#include <iostream> // for cout
-
-int main() {
-
- gzofstream outf;
- gzifstream inf;
- char buf[80];
-
- outf.open("test1.txt.gz");
- outf << "The quick brown fox sidestepped the lazy canine\n"
- << 1.3 << "\nPlan " << 9 << std::endl;
- outf.close();
- std::cout << "Wrote the following message to 'test1.txt.gz' (check with zcat or zless):\n"
- << "The quick brown fox sidestepped the lazy canine\n"
- << 1.3 << "\nPlan " << 9 << std::endl;
-
- std::cout << "\nReading 'test1.txt.gz' (buffered) produces:\n";
- inf.open("test1.txt.gz");
- while (inf.getline(buf,80,'\n')) {
- std::cout << buf << "\t(" << inf.rdbuf()->in_avail() << " chars left in buffer)\n";
- }
- inf.close();
-
- outf.rdbuf()->pubsetbuf(0,0);
- outf.open("test2.txt.gz");
- outf << setcompression(Z_NO_COMPRESSION)
- << "The quick brown fox sidestepped the lazy canine\n"
- << 1.3 << "\nPlan " << 9 << std::endl;
- outf.close();
- std::cout << "\nWrote the same message to 'test2.txt.gz' in uncompressed form";
-
- std::cout << "\nReading 'test2.txt.gz' (unbuffered) produces:\n";
- inf.rdbuf()->pubsetbuf(0,0);
- inf.open("test2.txt.gz");
- while (inf.getline(buf,80,'\n')) {
- std::cout << buf << "\t(" << inf.rdbuf()->in_avail() << " chars left in buffer)\n";
- }
- inf.close();
-
- return 0;
-
-}
+++ /dev/null
-/*
- * A C++ I/O streams interface to the zlib gz* functions
- *
- * by Ludwig Schwardt <schwardt@sun.ac.za>
- * original version by Kevin Ruland <kevin@rodin.wustl.edu>
- *
- * This version is standard-compliant and compatible with gcc 3.x.
- */
-
-#include "zfstream.h"
-#include <cstring> // for strcpy, strcat, strlen (mode strings)
-#include <cstdio> // for BUFSIZ
-
-// Internal buffer sizes (default and "unbuffered" versions)
-#define BIGBUFSIZE BUFSIZ
-#define SMALLBUFSIZE 1
-
-/*****************************************************************************/
-
-// Default constructor
-gzfilebuf::gzfilebuf()
-: file(NULL), io_mode(std::ios_base::openmode(0)), own_fd(false),
- buffer(NULL), buffer_size(BIGBUFSIZE), own_buffer(true)
-{
- // No buffers to start with
- this->disable_buffer();
-}
-
-// Destructor
-gzfilebuf::~gzfilebuf()
-{
- // Sync output buffer and close only if responsible for file
- // (i.e. attached streams should be left open at this stage)
- this->sync();
- if (own_fd)
- this->close();
- // Make sure internal buffer is deallocated
- this->disable_buffer();
-}
-
-// Set compression level and strategy
-int
-gzfilebuf::setcompression(int comp_level,
- int comp_strategy)
-{
- return gzsetparams(file, comp_level, comp_strategy);
-}
-
-// Open gzipped file
-gzfilebuf*
-gzfilebuf::open(const char *name,
- std::ios_base::openmode mode)
-{
- // Fail if file already open
- if (this->is_open())
- return NULL;
- // Don't support simultaneous read/write access (yet)
- if ((mode & std::ios_base::in) && (mode & std::ios_base::out))
- return NULL;
-
- // Build mode string for gzopen and check it [27.8.1.3.2]
- char char_mode[6] = "\0\0\0\0\0";
- if (!this->open_mode(mode, char_mode))
- return NULL;
-
- // Attempt to open file
- if ((file = gzopen(name, char_mode)) == NULL)
- return NULL;
-
- // On success, allocate internal buffer and set flags
- this->enable_buffer();
- io_mode = mode;
- own_fd = true;
- return this;
-}
-
-// Attach to gzipped file
-gzfilebuf*
-gzfilebuf::attach(int fd,
- std::ios_base::openmode mode)
-{
- // Fail if file already open
- if (this->is_open())
- return NULL;
- // Don't support simultaneous read/write access (yet)
- if ((mode & std::ios_base::in) && (mode & std::ios_base::out))
- return NULL;
-
- // Build mode string for gzdopen and check it [27.8.1.3.2]
- char char_mode[6] = "\0\0\0\0\0";
- if (!this->open_mode(mode, char_mode))
- return NULL;
-
- // Attempt to attach to file
- if ((file = gzdopen(fd, char_mode)) == NULL)
- return NULL;
-
- // On success, allocate internal buffer and set flags
- this->enable_buffer();
- io_mode = mode;
- own_fd = false;
- return this;
-}
-
-// Close gzipped file
-gzfilebuf*
-gzfilebuf::close()
-{
- // Fail immediately if no file is open
- if (!this->is_open())
- return NULL;
- // Assume success
- gzfilebuf* retval = this;
- // Attempt to sync and close gzipped file
- if (this->sync() == -1)
- retval = NULL;
- if (gzclose(file) < 0)
- retval = NULL;
- // File is now gone anyway (postcondition [27.8.1.3.8])
- file = NULL;
- own_fd = false;
- // Destroy internal buffer if it exists
- this->disable_buffer();
- return retval;
-}
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-// Convert int open mode to mode string
-bool
-gzfilebuf::open_mode(std::ios_base::openmode mode,
- char* c_mode) const
-{
- bool testb = mode & std::ios_base::binary;
- bool testi = mode & std::ios_base::in;
- bool testo = mode & std::ios_base::out;
- bool testt = mode & std::ios_base::trunc;
- bool testa = mode & std::ios_base::app;
-
- // Check for valid flag combinations - see [27.8.1.3.2] (Table 92)
- // Original zfstream hardcoded the compression level to maximum here...
- // Double the time for less than 1% size improvement seems
- // excessive though - keeping it at the default level
- // To change back, just append "9" to the next three mode strings
- if (!testi && testo && !testt && !testa)
- strcpy(c_mode, "w");
- if (!testi && testo && !testt && testa)
- strcpy(c_mode, "a");
- if (!testi && testo && testt && !testa)
- strcpy(c_mode, "w");
- if (testi && !testo && !testt && !testa)
- strcpy(c_mode, "r");
- // No read/write mode yet
-// if (testi && testo && !testt && !testa)
-// strcpy(c_mode, "r+");
-// if (testi && testo && testt && !testa)
-// strcpy(c_mode, "w+");
-
- // Mode string should be empty for invalid combination of flags
- if (strlen(c_mode) == 0)
- return false;
- if (testb)
- strcat(c_mode, "b");
- return true;
-}
-
-// Determine number of characters in internal get buffer
-std::streamsize
-gzfilebuf::showmanyc()
-{
- // Calls to underflow will fail if file not opened for reading
- if (!this->is_open() || !(io_mode & std::ios_base::in))
- return -1;
- // Make sure get area is in use
- if (this->gptr() && (this->gptr() < this->egptr()))
- return std::streamsize(this->egptr() - this->gptr());
- else
- return 0;
-}
-
-// Fill get area from gzipped file
-gzfilebuf::int_type
-gzfilebuf::underflow()
-{
- // If something is left in the get area by chance, return it
- // (this shouldn't normally happen, as underflow is only supposed
- // to be called when gptr >= egptr, but it serves as error check)
- if (this->gptr() && (this->gptr() < this->egptr()))
- return traits_type::to_int_type(*(this->gptr()));
-
- // If the file hasn't been opened for reading, produce error
- if (!this->is_open() || !(io_mode & std::ios_base::in))
- return traits_type::eof();
-
- // Attempt to fill internal buffer from gzipped file
- // (buffer must be guaranteed to exist...)
- int bytes_read = gzread(file, buffer, buffer_size);
- // Indicates error or EOF
- if (bytes_read <= 0)
- {
- // Reset get area
- this->setg(buffer, buffer, buffer);
- return traits_type::eof();
- }
- // Make all bytes read from file available as get area
- this->setg(buffer, buffer, buffer + bytes_read);
-
- // Return next character in get area
- return traits_type::to_int_type(*(this->gptr()));
-}
-
-// Write put area to gzipped file
-gzfilebuf::int_type
-gzfilebuf::overflow(int_type c)
-{
- // Determine whether put area is in use
- if (this->pbase())
- {
- // Double-check pointer range
- if (this->pptr() > this->epptr() || this->pptr() < this->pbase())
- return traits_type::eof();
- // Add extra character to buffer if not EOF
- if (!traits_type::eq_int_type(c, traits_type::eof()))
- {
- *(this->pptr()) = traits_type::to_char_type(c);
- this->pbump(1);
- }
- // Number of characters to write to file
- int bytes_to_write = this->pptr() - this->pbase();
- // Overflow doesn't fail if nothing is to be written
- if (bytes_to_write > 0)
- {
- // If the file hasn't been opened for writing, produce error
- if (!this->is_open() || !(io_mode & std::ios_base::out))
- return traits_type::eof();
- // If gzipped file won't accept all bytes written to it, fail
- if (gzwrite(file, this->pbase(), bytes_to_write) != bytes_to_write)
- return traits_type::eof();
- // Reset next pointer to point to pbase on success
- this->pbump(-bytes_to_write);
- }
- }
- // Write extra character to file if not EOF
- else if (!traits_type::eq_int_type(c, traits_type::eof()))
- {
- // If the file hasn't been opened for writing, produce error
- if (!this->is_open() || !(io_mode & std::ios_base::out))
- return traits_type::eof();
- // Impromptu char buffer (allows "unbuffered" output)
- char_type last_char = traits_type::to_char_type(c);
- // If gzipped file won't accept this character, fail
- if (gzwrite(file, &last_char, 1) != 1)
- return traits_type::eof();
- }
-
- // If you got here, you have succeeded (even if c was EOF)
- // The return value should therefore be non-EOF
- if (traits_type::eq_int_type(c, traits_type::eof()))
- return traits_type::not_eof(c);
- else
- return c;
-}
-
-// Assign new buffer
-std::streambuf*
-gzfilebuf::setbuf(char_type* p,
- std::streamsize n)
-{
- // First make sure stuff is sync'ed, for safety
- if (this->sync() == -1)
- return NULL;
- // If buffering is turned off on purpose via setbuf(0,0), still allocate one...
- // "Unbuffered" only really refers to put [27.8.1.4.10], while get needs at
- // least a buffer of size 1 (very inefficient though, therefore make it bigger?)
- // This follows from [27.5.2.4.3]/12 (gptr needs to point at something, it seems)
- if (!p || !n)
- {
- // Replace existing buffer (if any) with small internal buffer
- this->disable_buffer();
- buffer = NULL;
- buffer_size = 0;
- own_buffer = true;
- this->enable_buffer();
- }
- else
- {
- // Replace existing buffer (if any) with external buffer
- this->disable_buffer();
- buffer = p;
- buffer_size = n;
- own_buffer = false;
- this->enable_buffer();
- }
- return this;
-}
-
-// Write put area to gzipped file (i.e. ensures that put area is empty)
-int
-gzfilebuf::sync()
-{
- return traits_type::eq_int_type(this->overflow(), traits_type::eof()) ? -1 : 0;
-}
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-// Allocate internal buffer
-void
-gzfilebuf::enable_buffer()
-{
- // If internal buffer required, allocate one
- if (own_buffer && !buffer)
- {
- // Check for buffered vs. "unbuffered"
- if (buffer_size > 0)
- {
- // Allocate internal buffer
- buffer = new char_type[buffer_size];
- // Get area starts empty and will be expanded by underflow as need arises
- this->setg(buffer, buffer, buffer);
- // Setup entire internal buffer as put area.
- // The one-past-end pointer actually points to the last element of the buffer,
- // so that overflow(c) can safely add the extra character c to the sequence.
- // These pointers remain in place for the duration of the buffer
- this->setp(buffer, buffer + buffer_size - 1);
- }
- else
- {
- // Even in "unbuffered" case, (small?) get buffer is still required
- buffer_size = SMALLBUFSIZE;
- buffer = new char_type[buffer_size];
- this->setg(buffer, buffer, buffer);
- // "Unbuffered" means no put buffer
- this->setp(0, 0);
- }
- }
- else
- {
- // If buffer already allocated, reset buffer pointers just to make sure no
- // stale chars are lying around
- this->setg(buffer, buffer, buffer);
- this->setp(buffer, buffer + buffer_size - 1);
- }
-}
-
-// Destroy internal buffer
-void
-gzfilebuf::disable_buffer()
-{
- // If internal buffer exists, deallocate it
- if (own_buffer && buffer)
- {
- // Preserve unbuffered status by zeroing size
- if (!this->pbase())
- buffer_size = 0;
- delete[] buffer;
- buffer = NULL;
- this->setg(0, 0, 0);
- this->setp(0, 0);
- }
- else
- {
- // Reset buffer pointers to initial state if external buffer exists
- this->setg(buffer, buffer, buffer);
- if (buffer)
- this->setp(buffer, buffer + buffer_size - 1);
- else
- this->setp(0, 0);
- }
-}
-
-/*****************************************************************************/
-
-// Default constructor initializes stream buffer
-gzifstream::gzifstream()
-: std::istream(NULL), sb()
-{ this->init(&sb); }
-
-// Initialize stream buffer and open file
-gzifstream::gzifstream(const char* name,
- std::ios_base::openmode mode)
-: std::istream(NULL), sb()
-{
- this->init(&sb);
- this->open(name, mode);
-}
-
-// Initialize stream buffer and attach to file
-gzifstream::gzifstream(int fd,
- std::ios_base::openmode mode)
-: std::istream(NULL), sb()
-{
- this->init(&sb);
- this->attach(fd, mode);
-}
-
-// Open file and go into fail() state if unsuccessful
-void
-gzifstream::open(const char* name,
- std::ios_base::openmode mode)
-{
- if (!sb.open(name, mode | std::ios_base::in))
- this->setstate(std::ios_base::failbit);
- else
- this->clear();
-}
-
-// Attach to file and go into fail() state if unsuccessful
-void
-gzifstream::attach(int fd,
- std::ios_base::openmode mode)
-{
- if (!sb.attach(fd, mode | std::ios_base::in))
- this->setstate(std::ios_base::failbit);
- else
- this->clear();
-}
-
-// Close file
-void
-gzifstream::close()
-{
- if (!sb.close())
- this->setstate(std::ios_base::failbit);
-}
-
-/*****************************************************************************/
-
-// Default constructor initializes stream buffer
-gzofstream::gzofstream()
-: std::ostream(NULL), sb()
-{ this->init(&sb); }
-
-// Initialize stream buffer and open file
-gzofstream::gzofstream(const char* name,
- std::ios_base::openmode mode)
-: std::ostream(NULL), sb()
-{
- this->init(&sb);
- this->open(name, mode);
-}
-
-// Initialize stream buffer and attach to file
-gzofstream::gzofstream(int fd,
- std::ios_base::openmode mode)
-: std::ostream(NULL), sb()
-{
- this->init(&sb);
- this->attach(fd, mode);
-}
-
-// Open file and go into fail() state if unsuccessful
-void
-gzofstream::open(const char* name,
- std::ios_base::openmode mode)
-{
- if (!sb.open(name, mode | std::ios_base::out))
- this->setstate(std::ios_base::failbit);
- else
- this->clear();
-}
-
-// Attach to file and go into fail() state if unsuccessful
-void
-gzofstream::attach(int fd,
- std::ios_base::openmode mode)
-{
- if (!sb.attach(fd, mode | std::ios_base::out))
- this->setstate(std::ios_base::failbit);
- else
- this->clear();
-}
-
-// Close file
-void
-gzofstream::close()
-{
- if (!sb.close())
- this->setstate(std::ios_base::failbit);
-}
+++ /dev/null
-/*
- * A C++ I/O streams interface to the zlib gz* functions
- *
- * by Ludwig Schwardt <schwardt@sun.ac.za>
- * original version by Kevin Ruland <kevin@rodin.wustl.edu>
- *
- * This version is standard-compliant and compatible with gcc 3.x.
- */
-
-#ifndef ZFSTREAM_H
-#define ZFSTREAM_H
-
-#include <istream> // not iostream, since we don't need cin/cout
-#include <ostream>
-#include "zlib.h"
-
-/*****************************************************************************/
-
-/**
- * @brief Gzipped file stream buffer class.
- *
- * This class implements basic_filebuf for gzipped files. It doesn't yet support
- * seeking (allowed by zlib but slow/limited), putback and read/write access
- * (tricky). Otherwise, it attempts to be a drop-in replacement for the standard
- * file streambuf.
-*/
-class gzfilebuf : public std::streambuf
-{
-public:
- // Default constructor.
- gzfilebuf();
-
- // Destructor.
- virtual
- ~gzfilebuf();
-
- /**
- * @brief Set compression level and strategy on the fly.
- * @param comp_level Compression level (see zlib.h for allowed values)
- * @param comp_strategy Compression strategy (see zlib.h for allowed values)
- * @return Z_OK on success, Z_STREAM_ERROR otherwise.
- *
- * Unfortunately, these parameters cannot be modified separately, as the
- * previous zfstream version assumed. Since the strategy is seldom changed,
- * it can default and setcompression(level) then becomes like the old
- * setcompressionlevel(level).
- */
- int
- setcompression(int comp_level,
- int comp_strategy = Z_DEFAULT_STRATEGY);
-
- /**
- * @brief Check if file is open.
- * @return True if file is open.
- */
- bool
- is_open() const { return (file != NULL); }
-
- /**
- * @brief Open gzipped file.
- * @param name File name.
- * @param mode Open mode flags.
- * @return @c this on success, NULL on failure.
- */
- gzfilebuf*
- open(const char* name,
- std::ios_base::openmode mode);
-
- /**
- * @brief Attach to already open gzipped file.
- * @param fd File descriptor.
- * @param mode Open mode flags.
- * @return @c this on success, NULL on failure.
- */
- gzfilebuf*
- attach(int fd,
- std::ios_base::openmode mode);
-
- /**
- * @brief Close gzipped file.
- * @return @c this on success, NULL on failure.
- */
- gzfilebuf*
- close();
-
-protected:
- /**
- * @brief Convert ios open mode int to mode string used by zlib.
- * @return True if valid mode flag combination.
- */
- bool
- open_mode(std::ios_base::openmode mode,
- char* c_mode) const;
-
- /**
- * @brief Number of characters available in stream buffer.
- * @return Number of characters.
- *
- * This indicates number of characters in get area of stream buffer.
- * These characters can be read without accessing the gzipped file.
- */
- virtual std::streamsize
- showmanyc();
-
- /**
- * @brief Fill get area from gzipped file.
- * @return First character in get area on success, EOF on error.
- *
- * This actually reads characters from gzipped file to stream
- * buffer. Always buffered.
- */
- virtual int_type
- underflow();
-
- /**
- * @brief Write put area to gzipped file.
- * @param c Extra character to add to buffer contents.
- * @return Non-EOF on success, EOF on error.
- *
- * This actually writes characters in stream buffer to
- * gzipped file. With unbuffered output this is done one
- * character at a time.
- */
- virtual int_type
- overflow(int_type c = traits_type::eof());
-
- /**
- * @brief Installs external stream buffer.
- * @param p Pointer to char buffer.
- * @param n Size of external buffer.
- * @return @c this on success, NULL on failure.
- *
- * Call setbuf(0,0) to enable unbuffered output.
- */
- virtual std::streambuf*
- setbuf(char_type* p,
- std::streamsize n);
-
- /**
- * @brief Flush stream buffer to file.
- * @return 0 on success, -1 on error.
- *
- * This calls underflow(EOF) to do the job.
- */
- virtual int
- sync();
-
-//
-// Some future enhancements
-//
-// virtual int_type uflow();
-// virtual int_type pbackfail(int_type c = traits_type::eof());
-// virtual pos_type
-// seekoff(off_type off,
-// std::ios_base::seekdir way,
-// std::ios_base::openmode mode = std::ios_base::in|std::ios_base::out);
-// virtual pos_type
-// seekpos(pos_type sp,
-// std::ios_base::openmode mode = std::ios_base::in|std::ios_base::out);
-
-private:
- /**
- * @brief Allocate internal buffer.
- *
- * This function is safe to call multiple times. It will ensure
- * that a proper internal buffer exists if it is required. If the
- * buffer already exists or is external, the buffer pointers will be
- * reset to their original state.
- */
- void
- enable_buffer();
-
- /**
- * @brief Destroy internal buffer.
- *
- * This function is safe to call multiple times. It will ensure
- * that the internal buffer is deallocated if it exists. In any
- * case, it will also reset the buffer pointers.
- */
- void
- disable_buffer();
-
- /**
- * Underlying file pointer.
- */
- gzFile file;
-
- /**
- * Mode in which file was opened.
- */
- std::ios_base::openmode io_mode;
-
- /**
- * @brief True if this object owns file descriptor.
- *
- * This makes the class responsible for closing the file
- * upon destruction.
- */
- bool own_fd;
-
- /**
- * @brief Stream buffer.
- *
- * For simplicity this remains allocated on the free store for the
- * entire life span of the gzfilebuf object, unless replaced by setbuf.
- */
- char_type* buffer;
-
- /**
- * @brief Stream buffer size.
- *
- * Defaults to system default buffer size (typically 8192 bytes).
- * Modified by setbuf.
- */
- std::streamsize buffer_size;
-
- /**
- * @brief True if this object owns stream buffer.
- *
- * This makes the class responsible for deleting the buffer
- * upon destruction.
- */
- bool own_buffer;
-};
-
-/*****************************************************************************/
-
-/**
- * @brief Gzipped file input stream class.
- *
- * This class implements ifstream for gzipped files. Seeking and putback
- * is not supported yet.
-*/
-class gzifstream : public std::istream
-{
-public:
- // Default constructor
- gzifstream();
-
- /**
- * @brief Construct stream on gzipped file to be opened.
- * @param name File name.
- * @param mode Open mode flags (forced to contain ios::in).
- */
- explicit
- gzifstream(const char* name,
- std::ios_base::openmode mode = std::ios_base::in);
-
- /**
- * @brief Construct stream on already open gzipped file.
- * @param fd File descriptor.
- * @param mode Open mode flags (forced to contain ios::in).
- */
- explicit
- gzifstream(int fd,
- std::ios_base::openmode mode = std::ios_base::in);
-
- /**
- * Obtain underlying stream buffer.
- */
- gzfilebuf*
- rdbuf() const
- { return const_cast<gzfilebuf*>(&sb); }
-
- /**
- * @brief Check if file is open.
- * @return True if file is open.
- */
- bool
- is_open() { return sb.is_open(); }
-
- /**
- * @brief Open gzipped file.
- * @param name File name.
- * @param mode Open mode flags (forced to contain ios::in).
- *
- * Stream will be in state good() if file opens successfully;
- * otherwise in state fail(). This differs from the behavior of
- * ifstream, which never sets the state to good() and therefore
- * won't allow you to reuse the stream for a second file unless
- * you manually clear() the state. The choice is a matter of
- * convenience.
- */
- void
- open(const char* name,
- std::ios_base::openmode mode = std::ios_base::in);
-
- /**
- * @brief Attach to already open gzipped file.
- * @param fd File descriptor.
- * @param mode Open mode flags (forced to contain ios::in).
- *
- * Stream will be in state good() if attach succeeded; otherwise
- * in state fail().
- */
- void
- attach(int fd,
- std::ios_base::openmode mode = std::ios_base::in);
-
- /**
- * @brief Close gzipped file.
- *
- * Stream will be in state fail() if close failed.
- */
- void
- close();
-
-private:
- /**
- * Underlying stream buffer.
- */
- gzfilebuf sb;
-};
-
-/*****************************************************************************/
-
-/**
- * @brief Gzipped file output stream class.
- *
- * This class implements ofstream for gzipped files. Seeking and putback
- * is not supported yet.
-*/
-class gzofstream : public std::ostream
-{
-public:
- // Default constructor
- gzofstream();
-
- /**
- * @brief Construct stream on gzipped file to be opened.
- * @param name File name.
- * @param mode Open mode flags (forced to contain ios::out).
- */
- explicit
- gzofstream(const char* name,
- std::ios_base::openmode mode = std::ios_base::out);
-
- /**
- * @brief Construct stream on already open gzipped file.
- * @param fd File descriptor.
- * @param mode Open mode flags (forced to contain ios::out).
- */
- explicit
- gzofstream(int fd,
- std::ios_base::openmode mode = std::ios_base::out);
-
- /**
- * Obtain underlying stream buffer.
- */
- gzfilebuf*
- rdbuf() const
- { return const_cast<gzfilebuf*>(&sb); }
-
- /**
- * @brief Check if file is open.
- * @return True if file is open.
- */
- bool
- is_open() { return sb.is_open(); }
-
- /**
- * @brief Open gzipped file.
- * @param name File name.
- * @param mode Open mode flags (forced to contain ios::out).
- *
- * Stream will be in state good() if file opens successfully;
- * otherwise in state fail(). This differs from the behavior of
- * ofstream, which never sets the state to good() and therefore
- * won't allow you to reuse the stream for a second file unless
- * you manually clear() the state. The choice is a matter of
- * convenience.
- */
- void
- open(const char* name,
- std::ios_base::openmode mode = std::ios_base::out);
-
- /**
- * @brief Attach to already open gzipped file.
- * @param fd File descriptor.
- * @param mode Open mode flags (forced to contain ios::out).
- *
- * Stream will be in state good() if attach succeeded; otherwise
- * in state fail().
- */
- void
- attach(int fd,
- std::ios_base::openmode mode = std::ios_base::out);
-
- /**
- * @brief Close gzipped file.
- *
- * Stream will be in state fail() if close failed.
- */
- void
- close();
-
-private:
- /**
- * Underlying stream buffer.
- */
- gzfilebuf sb;
-};
-
-/*****************************************************************************/
-
-/**
- * @brief Gzipped file output stream manipulator class.
- *
- * This class defines a two-argument manipulator for gzofstream. It is used
- * as base for the setcompression(int,int) manipulator.
-*/
-template<typename T1, typename T2>
- class gzomanip2
- {
- public:
- // Allows insertor to peek at internals
- template <typename Ta, typename Tb>
- friend gzofstream&
- operator<<(gzofstream&,
- const gzomanip2<Ta,Tb>&);
-
- // Constructor
- gzomanip2(gzofstream& (*f)(gzofstream&, T1, T2),
- T1 v1,
- T2 v2);
- private:
- // Underlying manipulator function
- gzofstream&
- (*func)(gzofstream&, T1, T2);
-
- // Arguments for manipulator function
- T1 val1;
- T2 val2;
- };
-
-/*****************************************************************************/
-
-// Manipulator function thunks through to stream buffer
-inline gzofstream&
-setcompression(gzofstream &gzs, int l, int s = Z_DEFAULT_STRATEGY)
-{
- (gzs.rdbuf())->setcompression(l, s);
- return gzs;
-}
-
-// Manipulator constructor stores arguments
-template<typename T1, typename T2>
- inline
- gzomanip2<T1,T2>::gzomanip2(gzofstream &(*f)(gzofstream &, T1, T2),
- T1 v1,
- T2 v2)
- : func(f), val1(v1), val2(v2)
- { }
-
-// Insertor applies underlying manipulator function to stream
-template<typename T1, typename T2>
- inline gzofstream&
- operator<<(gzofstream& s, const gzomanip2<T1,T2>& m)
- { return (*m.func)(s, m.val1, m.val2); }
-
-// Insert this onto stream to simplify setting of compression level
-inline gzomanip2<int,int>
-setcompression(int l, int s = Z_DEFAULT_STRATEGY)
-{ return gzomanip2<int,int>(&setcompression, l, s); }
-
-#endif // ZFSTREAM_H
+++ /dev/null
-
-; match.asm -- Pentium-Pro optimized version of longest_match()
-;
-; Updated for zlib 1.1.3 and converted to MASM 6.1x
-; Copyright (C) 2000 Dan Higdon <hdan@kinesoft.com>
-; and Chuck Walbourn <chuckw@kinesoft.com>
-; Corrections by Cosmin Truta <cosmint@cs.ubbcluj.ro>
-;
-; This is free software; you can redistribute it and/or modify it
-; under the terms of the GNU General Public License.
-
-; Based on match.S
-; Written for zlib 1.1.2
-; Copyright (C) 1998 Brian Raiter <breadbox@muppetlabs.com>
-;
-; Modified by Gilles Vollant (2005) for add gzhead and gzindex
-
- .686P
- .MODEL FLAT
-
-;===========================================================================
-; EQUATES
-;===========================================================================
-
-MAX_MATCH EQU 258
-MIN_MATCH EQU 3
-MIN_LOOKAHEAD EQU (MAX_MATCH + MIN_MATCH + 1)
-MAX_MATCH_8 EQU ((MAX_MATCH + 7) AND (NOT 7))
-
-;===========================================================================
-; STRUCTURES
-;===========================================================================
-
-; This STRUCT assumes a 4-byte alignment
-
-DEFLATE_STATE STRUCT
-ds_strm dd ?
-ds_status dd ?
-ds_pending_buf dd ?
-ds_pending_buf_size dd ?
-ds_pending_out dd ?
-ds_pending dd ?
-ds_wrap dd ?
-; gzhead and gzindex are added in zlib 1.2.2.2 (see deflate.h)
-ds_gzhead dd ?
-ds_gzindex dd ?
-ds_data_type db ?
-ds_method db ?
- db ? ; padding
- db ? ; padding
-ds_last_flush dd ?
-ds_w_size dd ? ; used
-ds_w_bits dd ?
-ds_w_mask dd ? ; used
-ds_window dd ? ; used
-ds_window_size dd ?
-ds_prev dd ? ; used
-ds_head dd ?
-ds_ins_h dd ?
-ds_hash_size dd ?
-ds_hash_bits dd ?
-ds_hash_mask dd ?
-ds_hash_shift dd ?
-ds_block_start dd ?
-ds_match_length dd ? ; used
-ds_prev_match dd ? ; used
-ds_match_available dd ?
-ds_strstart dd ? ; used
-ds_match_start dd ? ; used
-ds_lookahead dd ? ; used
-ds_prev_length dd ? ; used
-ds_max_chain_length dd ? ; used
-ds_max_laxy_match dd ?
-ds_level dd ?
-ds_strategy dd ?
-ds_good_match dd ? ; used
-ds_nice_match dd ? ; used
-
-; Don't need anymore of the struct for match
-DEFLATE_STATE ENDS
-
-;===========================================================================
-; CODE
-;===========================================================================
-_TEXT SEGMENT
-
-;---------------------------------------------------------------------------
-; match_init
-;---------------------------------------------------------------------------
- ALIGN 4
-PUBLIC _match_init
-_match_init PROC
- ; no initialization needed
- ret
-_match_init ENDP
-
-;---------------------------------------------------------------------------
-; uInt longest_match(deflate_state *deflatestate, IPos curmatch)
-;---------------------------------------------------------------------------
- ALIGN 4
-
-PUBLIC _longest_match
-_longest_match PROC
-
-; Since this code uses EBP for a scratch register, the stack frame must
-; be manually constructed and referenced relative to the ESP register.
-
-; Stack image
-; Variables
-chainlenwmask = 0 ; high word: current chain len
- ; low word: s->wmask
-window = 4 ; local copy of s->window
-windowbestlen = 8 ; s->window + bestlen
-scanend = 12 ; last two bytes of string
-scanstart = 16 ; first two bytes of string
-scanalign = 20 ; dword-misalignment of string
-nicematch = 24 ; a good enough match size
-bestlen = 28 ; size of best match so far
-scan = 32 ; ptr to string wanting match
-varsize = 36 ; number of bytes (also offset to last saved register)
-
-; Saved Registers (actually pushed into place)
-ebx_save = 36
-edi_save = 40
-esi_save = 44
-ebp_save = 48
-
-; Parameters
-retaddr = 52
-deflatestate = 56
-curmatch = 60
-
-; Save registers that the compiler may be using
- push ebp
- push edi
- push esi
- push ebx
-
-; Allocate local variable space
- sub esp,varsize
-
-; Retrieve the function arguments. ecx will hold cur_match
-; throughout the entire function. edx will hold the pointer to the
-; deflate_state structure during the function's setup (before
-; entering the main loop).
-
- mov edx, [esp+deflatestate]
-ASSUME edx:PTR DEFLATE_STATE
-
- mov ecx, [esp+curmatch]
-
-; uInt wmask = s->w_mask;
-; unsigned chain_length = s->max_chain_length;
-; if (s->prev_length >= s->good_match) {
-; chain_length >>= 2;
-; }
-
- mov eax, [edx].ds_prev_length
- mov ebx, [edx].ds_good_match
- cmp eax, ebx
- mov eax, [edx].ds_w_mask
- mov ebx, [edx].ds_max_chain_length
- jl SHORT LastMatchGood
- shr ebx, 2
-LastMatchGood:
-
-; chainlen is decremented once beforehand so that the function can
-; use the sign flag instead of the zero flag for the exit test.
-; It is then shifted into the high word, to make room for the wmask
-; value, which it will always accompany.
-
- dec ebx
- shl ebx, 16
- or ebx, eax
- mov [esp+chainlenwmask], ebx
-
-; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
-
- mov eax, [edx].ds_nice_match
- mov ebx, [edx].ds_lookahead
- cmp ebx, eax
- jl SHORT LookaheadLess
- mov ebx, eax
-LookaheadLess:
- mov [esp+nicematch], ebx
-
-;/* register Bytef *scan = s->window + s->strstart; */
-
- mov esi, [edx].ds_window
- mov [esp+window], esi
- mov ebp, [edx].ds_strstart
- lea edi, [esi+ebp]
- mov [esp+scan],edi
-
-;/* Determine how many bytes the scan ptr is off from being */
-;/* dword-aligned. */
-
- mov eax, edi
- neg eax
- and eax, 3
- mov [esp+scanalign], eax
-
-;/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */
-;/* s->strstart - (IPos)MAX_DIST(s) : NIL; */
-
- mov eax, [edx].ds_w_size
- sub eax, MIN_LOOKAHEAD
- sub ebp, eax
- jg SHORT LimitPositive
- xor ebp, ebp
-LimitPositive:
-
-;/* int best_len = s->prev_length; */
-
- mov eax, [edx].ds_prev_length
- mov [esp+bestlen], eax
-
-;/* Store the sum of s->window + best_len in %esi locally, and in %esi. */
-
- add esi, eax
- mov [esp+windowbestlen], esi
-
-;/* register ush scan_start = *(ushf*)scan; */
-;/* register ush scan_end = *(ushf*)(scan+best_len-1); */
-;/* Posf *prev = s->prev; */
-
- movzx ebx, WORD PTR[edi]
- mov [esp+scanstart], ebx
- movzx ebx, WORD PTR[eax+edi-1]
- mov [esp+scanend], ebx
- mov edi, [edx].ds_prev
-
-;/* Jump into the main loop. */
-
- mov edx, [esp+chainlenwmask]
- jmp SHORT LoopEntry
-
-;/* do {
-; * match = s->window + cur_match;
-; * if (*(ushf*)(match+best_len-1) != scan_end ||
-; * *(ushf*)match != scan_start) continue;
-; * [...]
-; * } while ((cur_match = prev[cur_match & wmask]) > limit
-; * && --chain_length != 0);
-; *
-; * Here is the inner loop of the function. The function will spend the
-; * majority of its time in this loop, and majority of that time will
-; * be spent in the first ten instructions.
-; *
-; * Within this loop:
-; * %ebx = scanend
-; * %ecx = curmatch
-; * %edx = chainlenwmask - i.e., ((chainlen << 16) | wmask)
-; * %esi = windowbestlen - i.e., (window + bestlen)
-; * %edi = prev
-; * %ebp = limit
-; */
-
- ALIGN 4
-LookupLoop:
- and ecx, edx
- movzx ecx, WORD PTR[edi+ecx*2]
- cmp ecx, ebp
- jbe LeaveNow
- sub edx, 000010000H
- js LeaveNow
-
-LoopEntry:
- movzx eax, WORD PTR[esi+ecx-1]
- cmp eax, ebx
- jnz SHORT LookupLoop
-
- mov eax, [esp+window]
- movzx eax, WORD PTR[eax+ecx]
- cmp eax, [esp+scanstart]
- jnz SHORT LookupLoop
-
-;/* Store the current value of chainlen. */
-
- mov [esp+chainlenwmask], edx
-
-;/* Point %edi to the string under scrutiny, and %esi to the string we */
-;/* are hoping to match it up with. In actuality, %esi and %edi are */
-;/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */
-;/* initialized to -(MAX_MATCH_8 - scanalign). */
-
- mov esi, [esp+window]
- mov edi, [esp+scan]
- add esi, ecx
- mov eax, [esp+scanalign]
- mov edx, -MAX_MATCH_8
- lea edi, [edi+eax+MAX_MATCH_8]
- lea esi, [esi+eax+MAX_MATCH_8]
-
-;/* Test the strings for equality, 8 bytes at a time. At the end,
-; * adjust %edx so that it is offset to the exact byte that mismatched.
-; *
-; * We already know at this point that the first three bytes of the
-; * strings match each other, and they can be safely passed over before
-; * starting the compare loop. So what this code does is skip over 0-3
-; * bytes, as much as necessary in order to dword-align the %edi
-; * pointer. (%esi will still be misaligned three times out of four.)
-; *
-; * It should be confessed that this loop usually does not represent
-; * much of the total running time. Replacing it with a more
-; * straightforward "rep cmpsb" would not drastically degrade
-; * performance.
-; */
-
-LoopCmps:
- mov eax, DWORD PTR[esi+edx]
- xor eax, DWORD PTR[edi+edx]
- jnz SHORT LeaveLoopCmps
-
- mov eax, DWORD PTR[esi+edx+4]
- xor eax, DWORD PTR[edi+edx+4]
- jnz SHORT LeaveLoopCmps4
-
- add edx, 8
- jnz SHORT LoopCmps
- jmp LenMaximum
- ALIGN 4
-
-LeaveLoopCmps4:
- add edx, 4
-
-LeaveLoopCmps:
- test eax, 00000FFFFH
- jnz SHORT LenLower
-
- add edx, 2
- shr eax, 16
-
-LenLower:
- sub al, 1
- adc edx, 0
-
-;/* Calculate the length of the match. If it is longer than MAX_MATCH, */
-;/* then automatically accept it as the best possible match and leave. */
-
- lea eax, [edi+edx]
- mov edi, [esp+scan]
- sub eax, edi
- cmp eax, MAX_MATCH
- jge SHORT LenMaximum
-
-;/* If the length of the match is not longer than the best match we */
-;/* have so far, then forget it and return to the lookup loop. */
-
- mov edx, [esp+deflatestate]
- mov ebx, [esp+bestlen]
- cmp eax, ebx
- jg SHORT LongerMatch
- mov esi, [esp+windowbestlen]
- mov edi, [edx].ds_prev
- mov ebx, [esp+scanend]
- mov edx, [esp+chainlenwmask]
- jmp LookupLoop
- ALIGN 4
-
-;/* s->match_start = cur_match; */
-;/* best_len = len; */
-;/* if (len >= nice_match) break; */
-;/* scan_end = *(ushf*)(scan+best_len-1); */
-
-LongerMatch:
- mov ebx, [esp+nicematch]
- mov [esp+bestlen], eax
- mov [edx].ds_match_start, ecx
- cmp eax, ebx
- jge SHORT LeaveNow
- mov esi, [esp+window]
- add esi, eax
- mov [esp+windowbestlen], esi
- movzx ebx, WORD PTR[edi+eax-1]
- mov edi, [edx].ds_prev
- mov [esp+scanend], ebx
- mov edx, [esp+chainlenwmask]
- jmp LookupLoop
- ALIGN 4
-
-;/* Accept the current string, with the maximum possible length. */
-
-LenMaximum:
- mov edx, [esp+deflatestate]
- mov DWORD PTR[esp+bestlen], MAX_MATCH
- mov [edx].ds_match_start, ecx
-
-;/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */
-;/* return s->lookahead; */
-
-LeaveNow:
- mov edx, [esp+deflatestate]
- mov ebx, [esp+bestlen]
- mov eax, [edx].ds_lookahead
- cmp ebx, eax
- jg SHORT LookaheadRet
- mov eax, ebx
-LookaheadRet:
-
-; Restore the stack and return from whence we came.
-
- add esp, varsize
- pop ebx
- pop esi
- pop edi
- pop ebp
- ret
-
-_longest_match ENDP
-
-_TEXT ENDS
-END
+++ /dev/null
-ml64.exe /Flinffasx64 /c /Zi inffasx64.asm
-ml64.exe /Flgvmat64 /c /Zi gvmat64.asm
+++ /dev/null
-;uInt longest_match_x64(
-; deflate_state *s,
-; IPos cur_match); /* current match */
-
-; gvmat64.asm -- Asm portion of the optimized longest_match for 32 bits x86
-; Copyright (C) 1995-2005 Jean-loup Gailly, Brian Raiter and Gilles Vollant.
-;
-; File written by Gilles Vollant, by converting to assembly the longest_match
-; from Jean-loup Gailly in deflate.c of zLib and infoZip zip.
-;
-; and by taking inspiration on asm686 with masm, optimised assembly code
-; from Brian Raiter, written 1998
-;
-; http://www.zlib.net
-; http://www.winimage.com/zLibDll
-; http://www.muppetlabs.com/~breadbox/software/assembly.html
-;
-; to compile this file for infozip Zip, I use option:
-; ml64.exe /Flgvmat64 /c /Zi /DINFOZIP gvmat64.asm
-;
-; to compile this file for zLib, I use option:
-; ml64.exe /Flgvmat64 /c /Zi gvmat64.asm
-; Be carrefull to adapt zlib1222add below to your version of zLib
-; (if you use a version of zLib before 1.0.4 or after 1.2.2.2, change
-; value of zlib1222add later)
-;
-; This file compile with Microsoft Macro Assembler (x64) for AMD64
-;
-; ml64.exe is given with Visual Studio 2005 and Windows 2003 server DDK
-;
-; (you can get Windows 2003 server DDK with ml64 and cl for AMD64 from
-; http://www.microsoft.com/whdc/devtools/ddk/default.mspx for low price)
-;
-
-
-;uInt longest_match(s, cur_match)
-; deflate_state *s;
-; IPos cur_match; /* current match */
-.code
-longest_match PROC
-
-
-;LocalVarsSize equ 88
- LocalVarsSize equ 72
-
-; register used : rax,rbx,rcx,rdx,rsi,rdi,r8,r9,r10,r11,r12
-; free register : r14,r15
-; register can be saved : rsp
-
- chainlenwmask equ rsp + 8 - LocalVarsSize ; high word: current chain len
- ; low word: s->wmask
-;window equ rsp + xx - LocalVarsSize ; local copy of s->window ; stored in r10
-;windowbestlen equ rsp + xx - LocalVarsSize ; s->window + bestlen , use r10+r11
-;scanstart equ rsp + xx - LocalVarsSize ; first two bytes of string ; stored in r12w
-;scanend equ rsp + xx - LocalVarsSize ; last two bytes of string use ebx
-;scanalign equ rsp + xx - LocalVarsSize ; dword-misalignment of string r13
-;bestlen equ rsp + xx - LocalVarsSize ; size of best match so far -> r11d
-;scan equ rsp + xx - LocalVarsSize ; ptr to string wanting match -> r9
-IFDEF INFOZIP
-ELSE
- nicematch equ (rsp + 16 - LocalVarsSize) ; a good enough match size
-ENDIF
-
-save_rdi equ rsp + 24 - LocalVarsSize
-save_rsi equ rsp + 32 - LocalVarsSize
-save_rbx equ rsp + 40 - LocalVarsSize
-save_rbp equ rsp + 48 - LocalVarsSize
-save_r12 equ rsp + 56 - LocalVarsSize
-save_r13 equ rsp + 64 - LocalVarsSize
-;save_r14 equ rsp + 72 - LocalVarsSize
-;save_r15 equ rsp + 80 - LocalVarsSize
-
-
-
-; all the +4 offsets are due to the addition of pending_buf_size (in zlib
-; in the deflate_state structure since the asm code was first written
-; (if you compile with zlib 1.0.4 or older, remove the +4).
-; Note : these value are good with a 8 bytes boundary pack structure
-
-
- MAX_MATCH equ 258
- MIN_MATCH equ 3
- MIN_LOOKAHEAD equ (MAX_MATCH+MIN_MATCH+1)
-
-
-;;; Offsets for fields in the deflate_state structure. These numbers
-;;; are calculated from the definition of deflate_state, with the
-;;; assumption that the compiler will dword-align the fields. (Thus,
-;;; changing the definition of deflate_state could easily cause this
-;;; program to crash horribly, without so much as a warning at
-;;; compile time. Sigh.)
-
-; all the +zlib1222add offsets are due to the addition of fields
-; in zlib in the deflate_state structure since the asm code was first written
-; (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)").
-; (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0").
-; if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8").
-
-
-IFDEF INFOZIP
-
-_DATA SEGMENT
-COMM window_size:DWORD
-; WMask ; 7fff
-COMM window:BYTE:010040H
-COMM prev:WORD:08000H
-; MatchLen : unused
-; PrevMatch : unused
-COMM strstart:DWORD
-COMM match_start:DWORD
-; Lookahead : ignore
-COMM prev_length:DWORD ; PrevLen
-COMM max_chain_length:DWORD
-COMM good_match:DWORD
-COMM nice_match:DWORD
-prev_ad equ OFFSET prev
-window_ad equ OFFSET window
-nicematch equ nice_match
-_DATA ENDS
-WMask equ 07fffh
-
-ELSE
-
- IFNDEF zlib1222add
- zlib1222add equ 8
- ENDIF
-dsWSize equ 56+zlib1222add+(zlib1222add/2)
-dsWMask equ 64+zlib1222add+(zlib1222add/2)
-dsWindow equ 72+zlib1222add
-dsPrev equ 88+zlib1222add
-dsMatchLen equ 128+zlib1222add
-dsPrevMatch equ 132+zlib1222add
-dsStrStart equ 140+zlib1222add
-dsMatchStart equ 144+zlib1222add
-dsLookahead equ 148+zlib1222add
-dsPrevLen equ 152+zlib1222add
-dsMaxChainLen equ 156+zlib1222add
-dsGoodMatch equ 172+zlib1222add
-dsNiceMatch equ 176+zlib1222add
-
-window_size equ [ rcx + dsWSize]
-WMask equ [ rcx + dsWMask]
-window_ad equ [ rcx + dsWindow]
-prev_ad equ [ rcx + dsPrev]
-strstart equ [ rcx + dsStrStart]
-match_start equ [ rcx + dsMatchStart]
-Lookahead equ [ rcx + dsLookahead] ; 0ffffffffh on infozip
-prev_length equ [ rcx + dsPrevLen]
-max_chain_length equ [ rcx + dsMaxChainLen]
-good_match equ [ rcx + dsGoodMatch]
-nice_match equ [ rcx + dsNiceMatch]
-ENDIF
-
-; parameter 1 in r8(deflate state s), param 2 in rdx (cur match)
-
-; see http://weblogs.asp.net/oldnewthing/archive/2004/01/14/58579.aspx and
-; http://msdn.microsoft.com/library/en-us/kmarch/hh/kmarch/64bitAMD_8e951dd2-ee77-4728-8702-55ce4b5dd24a.xml.asp
-;
-; All registers must be preserved across the call, except for
-; rax, rcx, rdx, r8, r9, r10, and r11, which are scratch.
-
-
-
-;;; Save registers that the compiler may be using, and adjust esp to
-;;; make room for our stack frame.
-
-
-;;; Retrieve the function arguments. r8d will hold cur_match
-;;; throughout the entire function. edx will hold the pointer to the
-;;; deflate_state structure during the function's setup (before
-;;; entering the main loop.
-
-; parameter 1 in rcx (deflate_state* s), param 2 in edx -> r8 (cur match)
-
-; this clear high 32 bits of r8, which can be garbage in both r8 and rdx
-
- mov [save_rdi],rdi
- mov [save_rsi],rsi
- mov [save_rbx],rbx
- mov [save_rbp],rbp
-IFDEF INFOZIP
- mov r8d,ecx
-ELSE
- mov r8d,edx
-ENDIF
- mov [save_r12],r12
- mov [save_r13],r13
-; mov [save_r14],r14
-; mov [save_r15],r15
-
-
-;;; uInt wmask = s->w_mask;
-;;; unsigned chain_length = s->max_chain_length;
-;;; if (s->prev_length >= s->good_match) {
-;;; chain_length >>= 2;
-;;; }
-
- mov edi, prev_length
- mov esi, good_match
- mov eax, WMask
- mov ebx, max_chain_length
- cmp edi, esi
- jl LastMatchGood
- shr ebx, 2
-LastMatchGood:
-
-;;; chainlen is decremented once beforehand so that the function can
-;;; use the sign flag instead of the zero flag for the exit test.
-;;; It is then shifted into the high word, to make room for the wmask
-;;; value, which it will always accompany.
-
- dec ebx
- shl ebx, 16
- or ebx, eax
-
-;;; on zlib only
-;;; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
-
-IFDEF INFOZIP
- mov [chainlenwmask], ebx
-; on infozip nice_match = [nice_match]
-ELSE
- mov eax, nice_match
- mov [chainlenwmask], ebx
- mov r10d, Lookahead
- cmp r10d, eax
- cmovnl r10d, eax
- mov [nicematch],r10d
-ENDIF
-
-;;; register Bytef *scan = s->window + s->strstart;
- mov r10, window_ad
- mov ebp, strstart
- lea r13, [r10 + rbp]
-
-;;; Determine how many bytes the scan ptr is off from being
-;;; dword-aligned.
-
- mov r9,r13
- neg r13
- and r13,3
-
-;;; IPos limit = s->strstart > (IPos)MAX_DIST(s) ?
-;;; s->strstart - (IPos)MAX_DIST(s) : NIL;
-IFDEF INFOZIP
- mov eax,07efah ; MAX_DIST = (WSIZE-MIN_LOOKAHEAD) (0x8000-(3+8+1))
-ELSE
- mov eax, window_size
- sub eax, MIN_LOOKAHEAD
-ENDIF
- xor edi,edi
- sub ebp, eax
-
- mov r11d, prev_length
-
- cmovng ebp,edi
-
-;;; int best_len = s->prev_length;
-
-
-;;; Store the sum of s->window + best_len in esi locally, and in esi.
-
- lea rsi,[r10+r11]
-
-;;; register ush scan_start = *(ushf*)scan;
-;;; register ush scan_end = *(ushf*)(scan+best_len-1);
-;;; Posf *prev = s->prev;
-
- movzx r12d,word ptr [r9]
- movzx ebx, word ptr [r9 + r11 - 1]
-
- mov rdi, prev_ad
-
-;;; Jump into the main loop.
-
- mov edx, [chainlenwmask]
-
- cmp bx,word ptr [rsi + r8 - 1]
- jz LookupLoopIsZero
-
-LookupLoop1:
- and r8d, edx
-
- movzx r8d, word ptr [rdi + r8*2]
- cmp r8d, ebp
- jbe LeaveNow
- sub edx, 00010000h
- js LeaveNow
-
-LoopEntry1:
- cmp bx,word ptr [rsi + r8 - 1]
- jz LookupLoopIsZero
-
-LookupLoop2:
- and r8d, edx
-
- movzx r8d, word ptr [rdi + r8*2]
- cmp r8d, ebp
- jbe LeaveNow
- sub edx, 00010000h
- js LeaveNow
-
-LoopEntry2:
- cmp bx,word ptr [rsi + r8 - 1]
- jz LookupLoopIsZero
-
-LookupLoop4:
- and r8d, edx
-
- movzx r8d, word ptr [rdi + r8*2]
- cmp r8d, ebp
- jbe LeaveNow
- sub edx, 00010000h
- js LeaveNow
-
-LoopEntry4:
-
- cmp bx,word ptr [rsi + r8 - 1]
- jnz LookupLoop1
- jmp LookupLoopIsZero
-
-
-;;; do {
-;;; match = s->window + cur_match;
-;;; if (*(ushf*)(match+best_len-1) != scan_end ||
-;;; *(ushf*)match != scan_start) continue;
-;;; [...]
-;;; } while ((cur_match = prev[cur_match & wmask]) > limit
-;;; && --chain_length != 0);
-;;;
-;;; Here is the inner loop of the function. The function will spend the
-;;; majority of its time in this loop, and majority of that time will
-;;; be spent in the first ten instructions.
-;;;
-;;; Within this loop:
-;;; ebx = scanend
-;;; r8d = curmatch
-;;; edx = chainlenwmask - i.e., ((chainlen << 16) | wmask)
-;;; esi = windowbestlen - i.e., (window + bestlen)
-;;; edi = prev
-;;; ebp = limit
-
-LookupLoop:
- and r8d, edx
-
- movzx r8d, word ptr [rdi + r8*2]
- cmp r8d, ebp
- jbe LeaveNow
- sub edx, 00010000h
- js LeaveNow
-
-LoopEntry:
-
- cmp bx,word ptr [rsi + r8 - 1]
- jnz LookupLoop1
-LookupLoopIsZero:
- cmp r12w, word ptr [r10 + r8]
- jnz LookupLoop1
-
-
-;;; Store the current value of chainlen.
- mov [chainlenwmask], edx
-
-;;; Point edi to the string under scrutiny, and esi to the string we
-;;; are hoping to match it up with. In actuality, esi and edi are
-;;; both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and edx is
-;;; initialized to -(MAX_MATCH_8 - scanalign).
-
- lea rsi,[r8+r10]
- mov rdx, 0fffffffffffffef8h; -(MAX_MATCH_8)
- lea rsi, [rsi + r13 + 0108h] ;MAX_MATCH_8]
- lea rdi, [r9 + r13 + 0108h] ;MAX_MATCH_8]
-
- prefetcht1 [rsi+rdx]
- prefetcht1 [rdi+rdx]
-
-
-;;; Test the strings for equality, 8 bytes at a time. At the end,
-;;; adjust rdx so that it is offset to the exact byte that mismatched.
-;;;
-;;; We already know at this point that the first three bytes of the
-;;; strings match each other, and they can be safely passed over before
-;;; starting the compare loop. So what this code does is skip over 0-3
-;;; bytes, as much as necessary in order to dword-align the edi
-;;; pointer. (rsi will still be misaligned three times out of four.)
-;;;
-;;; It should be confessed that this loop usually does not represent
-;;; much of the total running time. Replacing it with a more
-;;; straightforward "rep cmpsb" would not drastically degrade
-;;; performance.
-
-
-LoopCmps:
- mov rax, [rsi + rdx]
- xor rax, [rdi + rdx]
- jnz LeaveLoopCmps
-
- mov rax, [rsi + rdx + 8]
- xor rax, [rdi + rdx + 8]
- jnz LeaveLoopCmps8
-
-
- mov rax, [rsi + rdx + 8+8]
- xor rax, [rdi + rdx + 8+8]
- jnz LeaveLoopCmps16
-
- add rdx,8+8+8
-
- jmp short LoopCmps
-LeaveLoopCmps16: add rdx,8
-LeaveLoopCmps8: add rdx,8
-LeaveLoopCmps:
-
- test eax, 0000FFFFh
- jnz LenLower
-
- test eax,0ffffffffh
-
- jnz LenLower32
-
- add rdx,4
- shr rax,32
- or ax,ax
- jnz LenLower
-
-LenLower32:
- shr eax,16
- add rdx,2
-LenLower: sub al, 1
- adc rdx, 0
-;;; Calculate the length of the match. If it is longer than MAX_MATCH,
-;;; then automatically accept it as the best possible match and leave.
-
- lea rax, [rdi + rdx]
- sub rax, r9
- cmp eax, MAX_MATCH
- jge LenMaximum
-
-;;; If the length of the match is not longer than the best match we
-;;; have so far, then forget it and return to the lookup loop.
-;///////////////////////////////////
-
- cmp eax, r11d
- jg LongerMatch
-
- lea rsi,[r10+r11]
-
- mov rdi, prev_ad
- mov edx, [chainlenwmask]
- jmp LookupLoop
-
-;;; s->match_start = cur_match;
-;;; best_len = len;
-;;; if (len >= nice_match) break;
-;;; scan_end = *(ushf*)(scan+best_len-1);
-
-LongerMatch:
- mov r11d, eax
- mov match_start, r8d
- cmp eax, [nicematch]
- jge LeaveNow
-
- lea rsi,[r10+rax]
-
- movzx ebx, word ptr [r9 + rax - 1]
- mov rdi, prev_ad
- mov edx, [chainlenwmask]
- jmp LookupLoop
-
-;;; Accept the current string, with the maximum possible length.
-
-LenMaximum:
- mov r11d,MAX_MATCH
- mov match_start, r8d
-
-;;; if ((uInt)best_len <= s->lookahead) return (uInt)best_len;
-;;; return s->lookahead;
-
-LeaveNow:
-IFDEF INFOZIP
- mov eax,r11d
-ELSE
- mov eax, Lookahead
- cmp r11d, eax
- cmovng eax, r11d
-ENDIF
-
-;;; Restore the stack and return from whence we came.
-
-
- mov rsi,[save_rsi]
- mov rdi,[save_rdi]
- mov rbx,[save_rbx]
- mov rbp,[save_rbp]
- mov r12,[save_r12]
- mov r13,[save_r13]
-; mov r14,[save_r14]
-; mov r15,[save_r15]
-
-
- ret 0
-; please don't remove this string !
-; Your can freely use gvmat64 in any free or commercial app
-; but it is far better don't remove the string in the binary!
- db 0dh,0ah,"asm686 with masm, optimised assembly code from Brian Raiter, written 1998, converted to amd 64 by Gilles Vollant 2005",0dh,0ah,0
-longest_match ENDP
-
-match_init PROC
- ret 0
-match_init ENDP
-
-
-END
+++ /dev/null
-/* inffas8664.c is a hand tuned assembler version of inffast.c - fast decoding
- * version for AMD64 on Windows using Microsoft C compiler
- *
- * Copyright (C) 1995-2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- *
- * Copyright (C) 2003 Chris Anderson <christop@charm.net>
- * Please use the copyright conditions above.
- *
- * 2005 - Adaptation to Microsoft C Compiler for AMD64 by Gilles Vollant
- *
- * inffas8664.c call function inffas8664fnc in inffasx64.asm
- * inffasx64.asm is automatically convert from AMD64 portion of inffas86.c
- *
- * Dec-29-2003 -- I added AMD64 inflate asm support. This version is also
- * slightly quicker on x86 systems because, instead of using rep movsb to copy
- * data, it uses rep movsw, which moves data in 2-byte chunks instead of single
- * bytes. I've tested the AMD64 code on a Fedora Core 1 + the x86_64 updates
- * from http://fedora.linux.duke.edu/fc1_x86_64
- * which is running on an Athlon 64 3000+ / Gigabyte GA-K8VT800M system with
- * 1GB ram. The 64-bit version is about 4% faster than the 32-bit version,
- * when decompressing mozilla-source-1.3.tar.gz.
- *
- * Mar-13-2003 -- Most of this is derived from inffast.S which is derived from
- * the gcc -S output of zlib-1.2.0/inffast.c. Zlib-1.2.0 is in beta release at
- * the moment. I have successfully compiled and tested this code with gcc2.96,
- * gcc3.2, icc5.0, msvc6.0. It is very close to the speed of inffast.S
- * compiled with gcc -DNO_MMX, but inffast.S is still faster on the P3 with MMX
- * enabled. I will attempt to merge the MMX code into this version. Newer
- * versions of this and inffast.S can be found at
- * http://www.eetbeetee.com/zlib/ and http://www.charm.net/~christop/zlib/
- *
- */
-
-#include <stdio.h>
-#include "zutil.h"
-#include "inftrees.h"
-#include "inflate.h"
-#include "inffast.h"
-
-/* Mark Adler's comments from inffast.c: */
-
-/*
- Decode literal, length, and distance codes and write out the resulting
- literal and match bytes until either not enough input or output is
- available, an end-of-block is encountered, or a data error is encountered.
- When large enough input and output buffers are supplied to inflate(), for
- example, a 16K input buffer and a 64K output buffer, more than 95% of the
- inflate execution time is spent in this routine.
-
- Entry assumptions:
-
- state->mode == LEN
- strm->avail_in >= 6
- strm->avail_out >= 258
- start >= strm->avail_out
- state->bits < 8
-
- On return, state->mode is one of:
-
- LEN -- ran out of enough output space or enough available input
- TYPE -- reached end of block code, inflate() to interpret next block
- BAD -- error in block data
-
- Notes:
-
- - The maximum input bits used by a length/distance pair is 15 bits for the
- length code, 5 bits for the length extra, 15 bits for the distance code,
- and 13 bits for the distance extra. This totals 48 bits, or six bytes.
- Therefore if strm->avail_in >= 6, then there is enough input to avoid
- checking for available input while decoding.
-
- - The maximum bytes that a single length/distance pair can output is 258
- bytes, which is the maximum length that can be coded. inflate_fast()
- requires strm->avail_out >= 258 for each loop to avoid checking for
- output space.
- */
-
-
-
- typedef struct inffast_ar {
-/* 64 32 x86 x86_64 */
-/* ar offset register */
-/* 0 0 */ void *esp; /* esp save */
-/* 8 4 */ void *ebp; /* ebp save */
-/* 16 8 */ unsigned char FAR *in; /* esi rsi local strm->next_in */
-/* 24 12 */ unsigned char FAR *last; /* r9 while in < last */
-/* 32 16 */ unsigned char FAR *out; /* edi rdi local strm->next_out */
-/* 40 20 */ unsigned char FAR *beg; /* inflate()'s init next_out */
-/* 48 24 */ unsigned char FAR *end; /* r10 while out < end */
-/* 56 28 */ unsigned char FAR *window;/* size of window, wsize!=0 */
-/* 64 32 */ code const FAR *lcode; /* ebp rbp local strm->lencode */
-/* 72 36 */ code const FAR *dcode; /* r11 local strm->distcode */
-/* 80 40 */ size_t /*unsigned long */hold; /* edx rdx local strm->hold */
-/* 88 44 */ unsigned bits; /* ebx rbx local strm->bits */
-/* 92 48 */ unsigned wsize; /* window size */
-/* 96 52 */ unsigned write; /* window write index */
-/*100 56 */ unsigned lmask; /* r12 mask for lcode */
-/*104 60 */ unsigned dmask; /* r13 mask for dcode */
-/*108 64 */ unsigned len; /* r14 match length */
-/*112 68 */ unsigned dist; /* r15 match distance */
-/*116 72 */ unsigned status; /* set when state chng*/
- } type_ar;
-#ifdef ASMINF
-
-void inflate_fast(strm, start)
-z_streamp strm;
-unsigned start; /* inflate()'s starting value for strm->avail_out */
-{
- struct inflate_state FAR *state;
- type_ar ar;
- void inffas8664fnc(struct inffast_ar * par);
-
-
-
-#if (defined( __GNUC__ ) && defined( __amd64__ ) && ! defined( __i386 )) || (defined(_MSC_VER) && defined(_M_AMD64))
-#define PAD_AVAIL_IN 6
-#define PAD_AVAIL_OUT 258
-#else
-#define PAD_AVAIL_IN 5
-#define PAD_AVAIL_OUT 257
-#endif
-
- /* copy state to local variables */
- state = (struct inflate_state FAR *)strm->state;
-
- ar.in = strm->next_in;
- ar.last = ar.in + (strm->avail_in - PAD_AVAIL_IN);
- ar.out = strm->next_out;
- ar.beg = ar.out - (start - strm->avail_out);
- ar.end = ar.out + (strm->avail_out - PAD_AVAIL_OUT);
- ar.wsize = state->wsize;
- ar.write = state->write;
- ar.window = state->window;
- ar.hold = state->hold;
- ar.bits = state->bits;
- ar.lcode = state->lencode;
- ar.dcode = state->distcode;
- ar.lmask = (1U << state->lenbits) - 1;
- ar.dmask = (1U << state->distbits) - 1;
-
- /* decode literals and length/distances until end-of-block or not enough
- input data or output space */
-
- /* align in on 1/2 hold size boundary */
- while (((size_t)(void *)ar.in & (sizeof(ar.hold) / 2 - 1)) != 0) {
- ar.hold += (unsigned long)*ar.in++ << ar.bits;
- ar.bits += 8;
- }
-
- inffas8664fnc(&ar);
-
- if (ar.status > 1) {
- if (ar.status == 2)
- strm->msg = "invalid literal/length code";
- else if (ar.status == 3)
- strm->msg = "invalid distance code";
- else
- strm->msg = "invalid distance too far back";
- state->mode = BAD;
- }
- else if ( ar.status == 1 ) {
- state->mode = TYPE;
- }
-
- /* return unused bytes (on entry, bits < 8, so in won't go too far back) */
- ar.len = ar.bits >> 3;
- ar.in -= ar.len;
- ar.bits -= ar.len << 3;
- ar.hold &= (1U << ar.bits) - 1;
-
- /* update state and return */
- strm->next_in = ar.in;
- strm->next_out = ar.out;
- strm->avail_in = (unsigned)(ar.in < ar.last ?
- PAD_AVAIL_IN + (ar.last - ar.in) :
- PAD_AVAIL_IN - (ar.in - ar.last));
- strm->avail_out = (unsigned)(ar.out < ar.end ?
- PAD_AVAIL_OUT + (ar.end - ar.out) :
- PAD_AVAIL_OUT - (ar.out - ar.end));
- state->hold = (unsigned long)ar.hold;
- state->bits = ar.bits;
- return;
-}
-
-#endif
+++ /dev/null
-; inffasx64.asm is a hand tuned assembler version of inffast.c - fast decoding
-; version for AMD64 on Windows using Microsoft C compiler
-;
-; inffasx64.asm is automatically convert from AMD64 portion of inffas86.c
-; inffasx64.asm is called by inffas8664.c, which contain more info.
-
-
-; to compile this file, I use option
-; ml64.exe /Flinffasx64 /c /Zi inffasx64.asm
-; with Microsoft Macro Assembler (x64) for AMD64
-;
-; ml64.exe is given with Visual Studio 2005, Windows 2003 server DDK
-;
-; (you can get Windows 2003 server DDK with ml64 and cl.exe for AMD64 from
-; http://www.microsoft.com/whdc/devtools/ddk/default.mspx for low price)
-;
-
-.code
-inffas8664fnc PROC
-
-; see http://weblogs.asp.net/oldnewthing/archive/2004/01/14/58579.aspx and
-; http://msdn.microsoft.com/library/en-us/kmarch/hh/kmarch/64bitAMD_8e951dd2-ee77-4728-8702-55ce4b5dd24a.xml.asp
-;
-; All registers must be preserved across the call, except for
-; rax, rcx, rdx, r8, r-9, r10, and r11, which are scratch.
-
-
- mov [rsp-8],rsi
- mov [rsp-16],rdi
- mov [rsp-24],r12
- mov [rsp-32],r13
- mov [rsp-40],r14
- mov [rsp-48],r15
- mov [rsp-56],rbx
-
- mov rax,rcx
-
- mov [rax+8], rbp ; /* save regs rbp and rsp */
- mov [rax], rsp
-
- mov rsp, rax ; /* make rsp point to &ar */
-
- mov rsi, [rsp+16] ; /* rsi = in */
- mov rdi, [rsp+32] ; /* rdi = out */
- mov r9, [rsp+24] ; /* r9 = last */
- mov r10, [rsp+48] ; /* r10 = end */
- mov rbp, [rsp+64] ; /* rbp = lcode */
- mov r11, [rsp+72] ; /* r11 = dcode */
- mov rdx, [rsp+80] ; /* rdx = hold */
- mov ebx, [rsp+88] ; /* ebx = bits */
- mov r12d, [rsp+100] ; /* r12d = lmask */
- mov r13d, [rsp+104] ; /* r13d = dmask */
- ; /* r14d = len */
- ; /* r15d = dist */
-
-
- cld
- cmp r10, rdi
- je L_one_time ; /* if only one decode left */
- cmp r9, rsi
-
- jne L_do_loop
-
-
-L_one_time:
- mov r8, r12 ; /* r8 = lmask */
- cmp bl, 32
- ja L_get_length_code_one_time
-
- lodsd ; /* eax = *(uint *)in++ */
- mov cl, bl ; /* cl = bits, needs it for shifting */
- add bl, 32 ; /* bits += 32 */
- shl rax, cl
- or rdx, rax ; /* hold |= *((uint *)in)++ << bits */
- jmp L_get_length_code_one_time
-
-ALIGN 4
-L_while_test:
- cmp r10, rdi
- jbe L_break_loop
- cmp r9, rsi
- jbe L_break_loop
-
-L_do_loop:
- mov r8, r12 ; /* r8 = lmask */
- cmp bl, 32
- ja L_get_length_code ; /* if (32 < bits) */
-
- lodsd ; /* eax = *(uint *)in++ */
- mov cl, bl ; /* cl = bits, needs it for shifting */
- add bl, 32 ; /* bits += 32 */
- shl rax, cl
- or rdx, rax ; /* hold |= *((uint *)in)++ << bits */
-
-L_get_length_code:
- and r8, rdx ; /* r8 &= hold */
- mov eax, [rbp+r8*4] ; /* eax = lcode[hold & lmask] */
-
- mov cl, ah ; /* cl = this.bits */
- sub bl, ah ; /* bits -= this.bits */
- shr rdx, cl ; /* hold >>= this.bits */
-
- test al, al
- jnz L_test_for_length_base ; /* if (op != 0) 45.7% */
-
- mov r8, r12 ; /* r8 = lmask */
- shr eax, 16 ; /* output this.val char */
- stosb
-
-L_get_length_code_one_time:
- and r8, rdx ; /* r8 &= hold */
- mov eax, [rbp+r8*4] ; /* eax = lcode[hold & lmask] */
-
-L_dolen:
- mov cl, ah ; /* cl = this.bits */
- sub bl, ah ; /* bits -= this.bits */
- shr rdx, cl ; /* hold >>= this.bits */
-
- test al, al
- jnz L_test_for_length_base ; /* if (op != 0) 45.7% */
-
- shr eax, 16 ; /* output this.val char */
- stosb
- jmp L_while_test
-
-ALIGN 4
-L_test_for_length_base:
- mov r14d, eax ; /* len = this */
- shr r14d, 16 ; /* len = this.val */
- mov cl, al
-
- test al, 16
- jz L_test_for_second_level_length ; /* if ((op & 16) == 0) 8% */
- and cl, 15 ; /* op &= 15 */
- jz L_decode_distance ; /* if (!op) */
-
-L_add_bits_to_len:
- sub bl, cl
- xor eax, eax
- inc eax
- shl eax, cl
- dec eax
- and eax, edx ; /* eax &= hold */
- shr rdx, cl
- add r14d, eax ; /* len += hold & mask[op] */
-
-L_decode_distance:
- mov r8, r13 ; /* r8 = dmask */
- cmp bl, 32
- ja L_get_distance_code ; /* if (32 < bits) */
-
- lodsd ; /* eax = *(uint *)in++ */
- mov cl, bl ; /* cl = bits, needs it for shifting */
- add bl, 32 ; /* bits += 32 */
- shl rax, cl
- or rdx, rax ; /* hold |= *((uint *)in)++ << bits */
-
-L_get_distance_code:
- and r8, rdx ; /* r8 &= hold */
- mov eax, [r11+r8*4] ; /* eax = dcode[hold & dmask] */
-
-L_dodist:
- mov r15d, eax ; /* dist = this */
- shr r15d, 16 ; /* dist = this.val */
- mov cl, ah
- sub bl, ah ; /* bits -= this.bits */
- shr rdx, cl ; /* hold >>= this.bits */
- mov cl, al ; /* cl = this.op */
-
- test al, 16 ; /* if ((op & 16) == 0) */
- jz L_test_for_second_level_dist
- and cl, 15 ; /* op &= 15 */
- jz L_check_dist_one
-
-L_add_bits_to_dist:
- sub bl, cl
- xor eax, eax
- inc eax
- shl eax, cl
- dec eax ; /* (1 << op) - 1 */
- and eax, edx ; /* eax &= hold */
- shr rdx, cl
- add r15d, eax ; /* dist += hold & ((1 << op) - 1) */
-
-L_check_window:
- mov r8, rsi ; /* save in so from can use it's reg */
- mov rax, rdi
- sub rax, [rsp+40] ; /* nbytes = out - beg */
-
- cmp eax, r15d
- jb L_clip_window ; /* if (dist > nbytes) 4.2% */
-
- mov ecx, r14d ; /* ecx = len */
- mov rsi, rdi
- sub rsi, r15 ; /* from = out - dist */
-
- sar ecx, 1
- jnc L_copy_two ; /* if len % 2 == 0 */
-
- rep movsw
- mov al, [rsi]
- mov [rdi], al
- inc rdi
-
- mov rsi, r8 ; /* move in back to %rsi, toss from */
- jmp L_while_test
-
-L_copy_two:
- rep movsw
- mov rsi, r8 ; /* move in back to %rsi, toss from */
- jmp L_while_test
-
-ALIGN 4
-L_check_dist_one:
- cmp r15d, 1 ; /* if dist 1, is a memset */
- jne L_check_window
- cmp [rsp+40], rdi ; /* if out == beg, outside window */
- je L_check_window
-
- mov ecx, r14d ; /* ecx = len */
- mov al, [rdi-1]
- mov ah, al
-
- sar ecx, 1
- jnc L_set_two
- mov [rdi], al
- inc rdi
-
-L_set_two:
- rep stosw
- jmp L_while_test
-
-ALIGN 4
-L_test_for_second_level_length:
- test al, 64
- jnz L_test_for_end_of_block ; /* if ((op & 64) != 0) */
-
- xor eax, eax
- inc eax
- shl eax, cl
- dec eax
- and eax, edx ; /* eax &= hold */
- add eax, r14d ; /* eax += len */
- mov eax, [rbp+rax*4] ; /* eax = lcode[val+(hold&mask[op])]*/
- jmp L_dolen
-
-ALIGN 4
-L_test_for_second_level_dist:
- test al, 64
- jnz L_invalid_distance_code ; /* if ((op & 64) != 0) */
-
- xor eax, eax
- inc eax
- shl eax, cl
- dec eax
- and eax, edx ; /* eax &= hold */
- add eax, r15d ; /* eax += dist */
- mov eax, [r11+rax*4] ; /* eax = dcode[val+(hold&mask[op])]*/
- jmp L_dodist
-
-ALIGN 4
-L_clip_window:
- mov ecx, eax ; /* ecx = nbytes */
- mov eax, [rsp+92] ; /* eax = wsize, prepare for dist cmp */
- neg ecx ; /* nbytes = -nbytes */
-
- cmp eax, r15d
- jb L_invalid_distance_too_far ; /* if (dist > wsize) */
-
- add ecx, r15d ; /* nbytes = dist - nbytes */
- cmp dword ptr [rsp+96], 0
- jne L_wrap_around_window ; /* if (write != 0) */
-
- mov rsi, [rsp+56] ; /* from = window */
- sub eax, ecx ; /* eax -= nbytes */
- add rsi, rax ; /* from += wsize - nbytes */
-
- mov eax, r14d ; /* eax = len */
- cmp r14d, ecx
- jbe L_do_copy ; /* if (nbytes >= len) */
-
- sub eax, ecx ; /* eax -= nbytes */
- rep movsb
- mov rsi, rdi
- sub rsi, r15 ; /* from = &out[ -dist ] */
- jmp L_do_copy
-
-ALIGN 4
-L_wrap_around_window:
- mov eax, [rsp+96] ; /* eax = write */
- cmp ecx, eax
- jbe L_contiguous_in_window ; /* if (write >= nbytes) */
-
- mov esi, [rsp+92] ; /* from = wsize */
- add rsi, [rsp+56] ; /* from += window */
- add rsi, rax ; /* from += write */
- sub rsi, rcx ; /* from -= nbytes */
- sub ecx, eax ; /* nbytes -= write */
-
- mov eax, r14d ; /* eax = len */
- cmp eax, ecx
- jbe L_do_copy ; /* if (nbytes >= len) */
-
- sub eax, ecx ; /* len -= nbytes */
- rep movsb
- mov rsi, [rsp+56] ; /* from = window */
- mov ecx, [rsp+96] ; /* nbytes = write */
- cmp eax, ecx
- jbe L_do_copy ; /* if (nbytes >= len) */
-
- sub eax, ecx ; /* len -= nbytes */
- rep movsb
- mov rsi, rdi
- sub rsi, r15 ; /* from = out - dist */
- jmp L_do_copy
-
-ALIGN 4
-L_contiguous_in_window:
- mov rsi, [rsp+56] ; /* rsi = window */
- add rsi, rax
- sub rsi, rcx ; /* from += write - nbytes */
-
- mov eax, r14d ; /* eax = len */
- cmp eax, ecx
- jbe L_do_copy ; /* if (nbytes >= len) */
-
- sub eax, ecx ; /* len -= nbytes */
- rep movsb
- mov rsi, rdi
- sub rsi, r15 ; /* from = out - dist */
- jmp L_do_copy ; /* if (nbytes >= len) */
-
-ALIGN 4
-L_do_copy:
- mov ecx, eax ; /* ecx = len */
- rep movsb
-
- mov rsi, r8 ; /* move in back to %esi, toss from */
- jmp L_while_test
-
-L_test_for_end_of_block:
- test al, 32
- jz L_invalid_literal_length_code
- mov dword ptr [rsp+116], 1
- jmp L_break_loop_with_status
-
-L_invalid_literal_length_code:
- mov dword ptr [rsp+116], 2
- jmp L_break_loop_with_status
-
-L_invalid_distance_code:
- mov dword ptr [rsp+116], 3
- jmp L_break_loop_with_status
-
-L_invalid_distance_too_far:
- mov dword ptr [rsp+116], 4
- jmp L_break_loop_with_status
-
-L_break_loop:
- mov dword ptr [rsp+116], 0
-
-L_break_loop_with_status:
-; /* put in, out, bits, and hold back into ar and pop esp */
- mov [rsp+16], rsi ; /* in */
- mov [rsp+32], rdi ; /* out */
- mov [rsp+88], ebx ; /* bits */
- mov [rsp+80], rdx ; /* hold */
-
- mov rax, [rsp] ; /* restore rbp and rsp */
- mov rbp, [rsp+8]
- mov rsp, rax
-
-
-
- mov rsi,[rsp-8]
- mov rdi,[rsp-16]
- mov r12,[rsp-24]
- mov r13,[rsp-32]
- mov r14,[rsp-40]
- mov r15,[rsp-48]
- mov rbx,[rsp-56]
-
- ret 0
-; :
-; : "m" (ar)
-; : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi",
-; "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
-; );
-
-inffas8664fnc ENDP
-;_TEXT ENDS
-END
+++ /dev/null
-Summary
--------
-This directory contains ASM implementations of the functions
-longest_match() and inflate_fast(), for 64 bits x86 (both AMD64 and Intel EM64t),
-for use with Microsoft Macro Assembler (x64) for AMD64 and Microsoft C++ 64 bits.
-
-gvmat64.asm is written by Gilles Vollant (2005), by using Brian Raiter 686/32 bits
- assembly optimized version from Jean-loup Gailly original longest_match function
-
-inffasx64.asm and inffas8664.c were written by Chris Anderson, by optimizing
- original function from Mark Adler
-
-Use instructions
-----------------
-Copy these files into the zlib source directory.
-
-define ASMV and ASMINF in your project. Include inffas8664.c in your source tree,
-and inffasx64.obj and gvmat64.obj as object to link.
-
-
-Build instructions
-------------------
-run bld_64.bat with Microsoft Macro Assembler (x64) for AMD64 (ml64.exe)
-
-ml64.exe is given with Visual Studio 2005, Windows 2003 server DDK
-
-You can get Windows 2003 server DDK with ml64 and cl for AMD64 from
- http://www.microsoft.com/whdc/devtools/ddk/default.mspx for low price)
+++ /dev/null
-ml /coff /Zi /c /Flgvmat32.lst gvmat32.asm
-ml /coff /Zi /c /Flinffas32.lst inffas32.asm
+++ /dev/null
-; gvmat32.asm -- Asm portion of the optimized longest_match for 32 bits x86
-; Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant.
-; File written by Gilles Vollant, by modifiying the longest_match
-; from Jean-loup Gailly in deflate.c
-;
-; http://www.zlib.net
-; http://www.winimage.com/zLibDll
-; http://www.muppetlabs.com/~breadbox/software/assembly.html
-;
-; For Visual C++ 4.x and higher and ML 6.x and higher
-; ml.exe is in directory \MASM611C of Win95 DDK
-; ml.exe is also distributed in http://www.masm32.com/masmdl.htm
-; and in VC++2003 toolkit at http://msdn.microsoft.com/visualc/vctoolkit2003/
-;
-; this file contain two implementation of longest_match
-;
-; longest_match_7fff : written 1996 by Gilles Vollant optimized for
-; first Pentium. Assume s->w_mask == 0x7fff
-; longest_match_686 : written by Brian raiter (1998), optimized for Pentium Pro
-;
-; for using an seembly version of longest_match, you need define ASMV in project
-; There is two way in using gvmat32.asm
-;
-; A) Suggested method
-; if you want include both longest_match_7fff and longest_match_686
-; compile the asm file running
-; ml /coff /Zi /Flgvmat32.lst /c gvmat32.asm
-; and include gvmat32c.c in your project
-; if you have an old cpu (386,486 or first Pentium) and s->w_mask==0x7fff,
-; longest_match_7fff will be used
-; if you have a more modern CPU (Pentium Pro, II and higher)
-; longest_match_686 will be used
-; on old cpu with s->w_mask!=0x7fff, longest_match_686 will be used,
-; but this is not a sitation you'll find often
-;
-; B) Alternative
-; if you are not interresed in old cpu performance and want the smaller
-; binaries possible
-;
-; compile the asm file running
-; ml /coff /Zi /c /Flgvmat32.lst /DNOOLDPENTIUMCODE gvmat32.asm
-; and do not include gvmat32c.c in your project (ou define also
-; NOOLDPENTIUMCODE)
-;
-; note : as I known, longest_match_686 is very faster than longest_match_7fff
-; on pentium Pro/II/III, faster (but less) in P4, but it seem
-; longest_match_7fff can be faster (very very litte) on AMD Athlon64/K8
-;
-; see below : zlib1222add must be adjuster if you use a zlib version < 1.2.2.2
-
-;uInt longest_match_7fff(s, cur_match)
-; deflate_state *s;
-; IPos cur_match; /* current match */
-
- NbStack equ 76
- cur_match equ dword ptr[esp+NbStack-0]
- str_s equ dword ptr[esp+NbStack-4]
-; 5 dword on top (ret,ebp,esi,edi,ebx)
- adrret equ dword ptr[esp+NbStack-8]
- pushebp equ dword ptr[esp+NbStack-12]
- pushedi equ dword ptr[esp+NbStack-16]
- pushesi equ dword ptr[esp+NbStack-20]
- pushebx equ dword ptr[esp+NbStack-24]
-
- chain_length equ dword ptr [esp+NbStack-28]
- limit equ dword ptr [esp+NbStack-32]
- best_len equ dword ptr [esp+NbStack-36]
- window equ dword ptr [esp+NbStack-40]
- prev equ dword ptr [esp+NbStack-44]
- scan_start equ word ptr [esp+NbStack-48]
- wmask equ dword ptr [esp+NbStack-52]
- match_start_ptr equ dword ptr [esp+NbStack-56]
- nice_match equ dword ptr [esp+NbStack-60]
- scan equ dword ptr [esp+NbStack-64]
-
- windowlen equ dword ptr [esp+NbStack-68]
- match_start equ dword ptr [esp+NbStack-72]
- strend equ dword ptr [esp+NbStack-76]
- NbStackAdd equ (NbStack-24)
-
- .386p
-
- name gvmatch
- .MODEL FLAT
-
-
-
-; all the +zlib1222add offsets are due to the addition of fields
-; in zlib in the deflate_state structure since the asm code was first written
-; (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)").
-; (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0").
-; if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8").
-
- zlib1222add equ 8
-
-; Note : these value are good with a 8 bytes boundary pack structure
- dep_chain_length equ 74h+zlib1222add
- dep_window equ 30h+zlib1222add
- dep_strstart equ 64h+zlib1222add
- dep_prev_length equ 70h+zlib1222add
- dep_nice_match equ 88h+zlib1222add
- dep_w_size equ 24h+zlib1222add
- dep_prev equ 38h+zlib1222add
- dep_w_mask equ 2ch+zlib1222add
- dep_good_match equ 84h+zlib1222add
- dep_match_start equ 68h+zlib1222add
- dep_lookahead equ 6ch+zlib1222add
-
-
-_TEXT segment
-
-IFDEF NOUNDERLINE
- IFDEF NOOLDPENTIUMCODE
- public longest_match
- public match_init
- ELSE
- public longest_match_7fff
- public cpudetect32
- public longest_match_686
- ENDIF
-ELSE
- IFDEF NOOLDPENTIUMCODE
- public _longest_match
- public _match_init
- ELSE
- public _longest_match_7fff
- public _cpudetect32
- public _longest_match_686
- ENDIF
-ENDIF
-
- MAX_MATCH equ 258
- MIN_MATCH equ 3
- MIN_LOOKAHEAD equ (MAX_MATCH+MIN_MATCH+1)
-
-
-
-IFNDEF NOOLDPENTIUMCODE
-IFDEF NOUNDERLINE
-longest_match_7fff proc near
-ELSE
-_longest_match_7fff proc near
-ENDIF
-
- mov edx,[esp+4]
-
-
-
- push ebp
- push edi
- push esi
- push ebx
-
- sub esp,NbStackAdd
-
-; initialize or check the variables used in match.asm.
- mov ebp,edx
-
-; chain_length = s->max_chain_length
-; if (prev_length>=good_match) chain_length >>= 2
- mov edx,[ebp+dep_chain_length]
- mov ebx,[ebp+dep_prev_length]
- cmp [ebp+dep_good_match],ebx
- ja noshr
- shr edx,2
-noshr:
-; we increment chain_length because in the asm, the --chain_lenght is in the beginning of the loop
- inc edx
- mov edi,[ebp+dep_nice_match]
- mov chain_length,edx
- mov eax,[ebp+dep_lookahead]
- cmp eax,edi
-; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
- jae nolookaheadnicematch
- mov edi,eax
-nolookaheadnicematch:
-; best_len = s->prev_length
- mov best_len,ebx
-
-; window = s->window
- mov esi,[ebp+dep_window]
- mov ecx,[ebp+dep_strstart]
- mov window,esi
-
- mov nice_match,edi
-; scan = window + strstart
- add esi,ecx
- mov scan,esi
-; dx = *window
- mov dx,word ptr [esi]
-; bx = *(window+best_len-1)
- mov bx,word ptr [esi+ebx-1]
- add esi,MAX_MATCH-1
-; scan_start = *scan
- mov scan_start,dx
-; strend = scan + MAX_MATCH-1
- mov strend,esi
-; bx = scan_end = *(window+best_len-1)
-
-; IPos limit = s->strstart > (IPos)MAX_DIST(s) ?
-; s->strstart - (IPos)MAX_DIST(s) : NIL;
-
- mov esi,[ebp+dep_w_size]
- sub esi,MIN_LOOKAHEAD
-; here esi = MAX_DIST(s)
- sub ecx,esi
- ja nodist
- xor ecx,ecx
-nodist:
- mov limit,ecx
-
-; prev = s->prev
- mov edx,[ebp+dep_prev]
- mov prev,edx
-
-;
- mov edx,dword ptr [ebp+dep_match_start]
- mov bp,scan_start
- mov eax,cur_match
- mov match_start,edx
-
- mov edx,window
- mov edi,edx
- add edi,best_len
- mov esi,prev
- dec edi
-; windowlen = window + best_len -1
- mov windowlen,edi
-
- jmp beginloop2
- align 4
-
-; here, in the loop
-; eax = ax = cur_match
-; ecx = limit
-; bx = scan_end
-; bp = scan_start
-; edi = windowlen (window + best_len -1)
-; esi = prev
-
-
-;// here; chain_length <=16
-normalbeg0add16:
- add chain_length,16
- jz exitloop
-normalbeg0:
- cmp word ptr[edi+eax],bx
- je normalbeg2noroll
-rcontlabnoroll:
-; cur_match = prev[cur_match & wmask]
- and eax,7fffh
- mov ax,word ptr[esi+eax*2]
-; if cur_match > limit, go to exitloop
- cmp ecx,eax
- jnb exitloop
-; if --chain_length != 0, go to exitloop
- dec chain_length
- jnz normalbeg0
- jmp exitloop
-
-normalbeg2noroll:
-; if (scan_start==*(cur_match+window)) goto normalbeg2
- cmp bp,word ptr[edx+eax]
- jne rcontlabnoroll
- jmp normalbeg2
-
-contloop3:
- mov edi,windowlen
-
-; cur_match = prev[cur_match & wmask]
- and eax,7fffh
- mov ax,word ptr[esi+eax*2]
-; if cur_match > limit, go to exitloop
- cmp ecx,eax
-jnbexitloopshort1:
- jnb exitloop
-; if --chain_length != 0, go to exitloop
-
-
-; begin the main loop
-beginloop2:
- sub chain_length,16+1
-; if chain_length <=16, don't use the unrolled loop
- jna normalbeg0add16
-
-do16:
- cmp word ptr[edi+eax],bx
- je normalbeg2dc0
-
-maccn MACRO lab
- and eax,7fffh
- mov ax,word ptr[esi+eax*2]
- cmp ecx,eax
- jnb exitloop
- cmp word ptr[edi+eax],bx
- je lab
- ENDM
-
-rcontloop0:
- maccn normalbeg2dc1
-
-rcontloop1:
- maccn normalbeg2dc2
-
-rcontloop2:
- maccn normalbeg2dc3
-
-rcontloop3:
- maccn normalbeg2dc4
-
-rcontloop4:
- maccn normalbeg2dc5
-
-rcontloop5:
- maccn normalbeg2dc6
-
-rcontloop6:
- maccn normalbeg2dc7
-
-rcontloop7:
- maccn normalbeg2dc8
-
-rcontloop8:
- maccn normalbeg2dc9
-
-rcontloop9:
- maccn normalbeg2dc10
-
-rcontloop10:
- maccn short normalbeg2dc11
-
-rcontloop11:
- maccn short normalbeg2dc12
-
-rcontloop12:
- maccn short normalbeg2dc13
-
-rcontloop13:
- maccn short normalbeg2dc14
-
-rcontloop14:
- maccn short normalbeg2dc15
-
-rcontloop15:
- and eax,7fffh
- mov ax,word ptr[esi+eax*2]
- cmp ecx,eax
- jnb exitloop
-
- sub chain_length,16
- ja do16
- jmp normalbeg0add16
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-normbeg MACRO rcontlab,valsub
-; if we are here, we know that *(match+best_len-1) == scan_end
- cmp bp,word ptr[edx+eax]
-; if (match != scan_start) goto rcontlab
- jne rcontlab
-; calculate the good chain_length, and we'll compare scan and match string
- add chain_length,16-valsub
- jmp iseq
- ENDM
-
-
-normalbeg2dc11:
- normbeg rcontloop11,11
-
-normalbeg2dc12:
- normbeg short rcontloop12,12
-
-normalbeg2dc13:
- normbeg short rcontloop13,13
-
-normalbeg2dc14:
- normbeg short rcontloop14,14
-
-normalbeg2dc15:
- normbeg short rcontloop15,15
-
-normalbeg2dc10:
- normbeg rcontloop10,10
-
-normalbeg2dc9:
- normbeg rcontloop9,9
-
-normalbeg2dc8:
- normbeg rcontloop8,8
-
-normalbeg2dc7:
- normbeg rcontloop7,7
-
-normalbeg2dc6:
- normbeg rcontloop6,6
-
-normalbeg2dc5:
- normbeg rcontloop5,5
-
-normalbeg2dc4:
- normbeg rcontloop4,4
-
-normalbeg2dc3:
- normbeg rcontloop3,3
-
-normalbeg2dc2:
- normbeg rcontloop2,2
-
-normalbeg2dc1:
- normbeg rcontloop1,1
-
-normalbeg2dc0:
- normbeg rcontloop0,0
-
-
-; we go in normalbeg2 because *(ushf*)(match+best_len-1) == scan_end
-
-normalbeg2:
- mov edi,window
-
- cmp bp,word ptr[edi+eax]
- jne contloop3 ; if *(ushf*)match != scan_start, continue
-
-iseq:
-; if we are here, we know that *(match+best_len-1) == scan_end
-; and (match == scan_start)
-
- mov edi,edx
- mov esi,scan ; esi = scan
- add edi,eax ; edi = window + cur_match = match
-
- mov edx,[esi+3] ; compare manually dword at match+3
- xor edx,[edi+3] ; and scan +3
-
- jz begincompare ; if equal, go to long compare
-
-; we will determine the unmatch byte and calculate len (in esi)
- or dl,dl
- je eq1rr
- mov esi,3
- jmp trfinval
-eq1rr:
- or dx,dx
- je eq1
-
- mov esi,4
- jmp trfinval
-eq1:
- and edx,0ffffffh
- jz eq11
- mov esi,5
- jmp trfinval
-eq11:
- mov esi,6
- jmp trfinval
-
-begincompare:
- ; here we now scan and match begin same
- add edi,6
- add esi,6
- mov ecx,(MAX_MATCH-(2+4))/4 ; scan for at most MAX_MATCH bytes
- repe cmpsd ; loop until mismatch
-
- je trfin ; go to trfin if not unmatch
-; we determine the unmatch byte
- sub esi,4
- mov edx,[edi-4]
- xor edx,[esi]
-
- or dl,dl
- jnz trfin
- inc esi
-
- or dx,dx
- jnz trfin
- inc esi
-
- and edx,0ffffffh
- jnz trfin
- inc esi
-
-trfin:
- sub esi,scan ; esi = len
-trfinval:
-; here we have finised compare, and esi contain len of equal string
- cmp esi,best_len ; if len > best_len, go newbestlen
- ja short newbestlen
-; now we restore edx, ecx and esi, for the big loop
- mov esi,prev
- mov ecx,limit
- mov edx,window
- jmp contloop3
-
-newbestlen:
- mov best_len,esi ; len become best_len
-
- mov match_start,eax ; save new position as match_start
- cmp esi,nice_match ; if best_len >= nice_match, exit
- jae exitloop
- mov ecx,scan
- mov edx,window ; restore edx=window
- add ecx,esi
- add esi,edx
-
- dec esi
- mov windowlen,esi ; windowlen = window + best_len-1
- mov bx,[ecx-1] ; bx = *(scan+best_len-1) = scan_end
-
-; now we restore ecx and esi, for the big loop :
- mov esi,prev
- mov ecx,limit
- jmp contloop3
-
-exitloop:
-; exit : s->match_start=match_start
- mov ebx,match_start
- mov ebp,str_s
- mov ecx,best_len
- mov dword ptr [ebp+dep_match_start],ebx
- mov eax,dword ptr [ebp+dep_lookahead]
- cmp ecx,eax
- ja minexlo
- mov eax,ecx
-minexlo:
-; return min(best_len,s->lookahead)
-
-; restore stack and register ebx,esi,edi,ebp
- add esp,NbStackAdd
-
- pop ebx
- pop esi
- pop edi
- pop ebp
- ret
-InfoAuthor:
-; please don't remove this string !
-; Your are free use gvmat32 in any fre or commercial apps if you don't remove the string in the binary!
- db 0dh,0ah,"GVMat32 optimised assembly code written 1996-98 by Gilles Vollant",0dh,0ah
-
-
-
-IFDEF NOUNDERLINE
-longest_match_7fff endp
-ELSE
-_longest_match_7fff endp
-ENDIF
-
-
-IFDEF NOUNDERLINE
-cpudetect32 proc near
-ELSE
-_cpudetect32 proc near
-ENDIF
-
- push ebx
-
- pushfd ; push original EFLAGS
- pop eax ; get original EFLAGS
- mov ecx, eax ; save original EFLAGS
- xor eax, 40000h ; flip AC bit in EFLAGS
- push eax ; save new EFLAGS value on stack
- popfd ; replace current EFLAGS value
- pushfd ; get new EFLAGS
- pop eax ; store new EFLAGS in EAX
- xor eax, ecx ; can\92t toggle AC bit, processor=80386
- jz end_cpu_is_386 ; jump if 80386 processor
- push ecx
- popfd ; restore AC bit in EFLAGS first
-
- pushfd
- pushfd
- pop ecx
-
- mov eax, ecx ; get original EFLAGS
- xor eax, 200000h ; flip ID bit in EFLAGS
- push eax ; save new EFLAGS value on stack
- popfd ; replace current EFLAGS value
- pushfd ; get new EFLAGS
- pop eax ; store new EFLAGS in EAX
- popfd ; restore original EFLAGS
- xor eax, ecx ; can\92t toggle ID bit,
- je is_old_486 ; processor=old
-
- mov eax,1
- db 0fh,0a2h ;CPUID
-
-exitcpudetect:
- pop ebx
- ret
-
-end_cpu_is_386:
- mov eax,0300h
- jmp exitcpudetect
-
-is_old_486:
- mov eax,0400h
- jmp exitcpudetect
-
-IFDEF NOUNDERLINE
-cpudetect32 endp
-ELSE
-_cpudetect32 endp
-ENDIF
-ENDIF
-
-MAX_MATCH equ 258
-MIN_MATCH equ 3
-MIN_LOOKAHEAD equ (MAX_MATCH + MIN_MATCH + 1)
-MAX_MATCH_8_ equ ((MAX_MATCH + 7) AND 0FFF0h)
-
-
-;;; stack frame offsets
-
-chainlenwmask equ esp + 0 ; high word: current chain len
- ; low word: s->wmask
-window equ esp + 4 ; local copy of s->window
-windowbestlen equ esp + 8 ; s->window + bestlen
-scanstart equ esp + 16 ; first two bytes of string
-scanend equ esp + 12 ; last two bytes of string
-scanalign equ esp + 20 ; dword-misalignment of string
-nicematch equ esp + 24 ; a good enough match size
-bestlen equ esp + 28 ; size of best match so far
-scan equ esp + 32 ; ptr to string wanting match
-
-LocalVarsSize equ 36
-; saved ebx byte esp + 36
-; saved edi byte esp + 40
-; saved esi byte esp + 44
-; saved ebp byte esp + 48
-; return address byte esp + 52
-deflatestate equ esp + 56 ; the function arguments
-curmatch equ esp + 60
-
-;;; Offsets for fields in the deflate_state structure. These numbers
-;;; are calculated from the definition of deflate_state, with the
-;;; assumption that the compiler will dword-align the fields. (Thus,
-;;; changing the definition of deflate_state could easily cause this
-;;; program to crash horribly, without so much as a warning at
-;;; compile time. Sigh.)
-
-dsWSize equ 36+zlib1222add
-dsWMask equ 44+zlib1222add
-dsWindow equ 48+zlib1222add
-dsPrev equ 56+zlib1222add
-dsMatchLen equ 88+zlib1222add
-dsPrevMatch equ 92+zlib1222add
-dsStrStart equ 100+zlib1222add
-dsMatchStart equ 104+zlib1222add
-dsLookahead equ 108+zlib1222add
-dsPrevLen equ 112+zlib1222add
-dsMaxChainLen equ 116+zlib1222add
-dsGoodMatch equ 132+zlib1222add
-dsNiceMatch equ 136+zlib1222add
-
-
-;;; match.asm -- Pentium-Pro-optimized version of longest_match()
-;;; Written for zlib 1.1.2
-;;; Copyright (C) 1998 Brian Raiter <breadbox@muppetlabs.com>
-;;; You can look at http://www.muppetlabs.com/~breadbox/software/assembly.html
-;;;
-;;; This is free software; you can redistribute it and/or modify it
-;;; under the terms of the GNU General Public License.
-
-;GLOBAL _longest_match, _match_init
-
-
-;SECTION .text
-
-;;; uInt longest_match(deflate_state *deflatestate, IPos curmatch)
-
-;_longest_match:
-IFDEF NOOLDPENTIUMCODE
- IFDEF NOUNDERLINE
- longest_match proc near
- ELSE
- _longest_match proc near
- ENDIF
-ELSE
- IFDEF NOUNDERLINE
- longest_match_686 proc near
- ELSE
- _longest_match_686 proc near
- ENDIF
-ENDIF
-
-;;; Save registers that the compiler may be using, and adjust esp to
-;;; make room for our stack frame.
-
- push ebp
- push edi
- push esi
- push ebx
- sub esp, LocalVarsSize
-
-;;; Retrieve the function arguments. ecx will hold cur_match
-;;; throughout the entire function. edx will hold the pointer to the
-;;; deflate_state structure during the function's setup (before
-;;; entering the main loop.
-
- mov edx, [deflatestate]
- mov ecx, [curmatch]
-
-;;; uInt wmask = s->w_mask;
-;;; unsigned chain_length = s->max_chain_length;
-;;; if (s->prev_length >= s->good_match) {
-;;; chain_length >>= 2;
-;;; }
-
- mov eax, [edx + dsPrevLen]
- mov ebx, [edx + dsGoodMatch]
- cmp eax, ebx
- mov eax, [edx + dsWMask]
- mov ebx, [edx + dsMaxChainLen]
- jl LastMatchGood
- shr ebx, 2
-LastMatchGood:
-
-;;; chainlen is decremented once beforehand so that the function can
-;;; use the sign flag instead of the zero flag for the exit test.
-;;; It is then shifted into the high word, to make room for the wmask
-;;; value, which it will always accompany.
-
- dec ebx
- shl ebx, 16
- or ebx, eax
- mov [chainlenwmask], ebx
-
-;;; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
-
- mov eax, [edx + dsNiceMatch]
- mov ebx, [edx + dsLookahead]
- cmp ebx, eax
- jl LookaheadLess
- mov ebx, eax
-LookaheadLess: mov [nicematch], ebx
-
-;;; register Bytef *scan = s->window + s->strstart;
-
- mov esi, [edx + dsWindow]
- mov [window], esi
- mov ebp, [edx + dsStrStart]
- lea edi, [esi + ebp]
- mov [scan], edi
-
-;;; Determine how many bytes the scan ptr is off from being
-;;; dword-aligned.
-
- mov eax, edi
- neg eax
- and eax, 3
- mov [scanalign], eax
-
-;;; IPos limit = s->strstart > (IPos)MAX_DIST(s) ?
-;;; s->strstart - (IPos)MAX_DIST(s) : NIL;
-
- mov eax, [edx + dsWSize]
- sub eax, MIN_LOOKAHEAD
- sub ebp, eax
- jg LimitPositive
- xor ebp, ebp
-LimitPositive:
-
-;;; int best_len = s->prev_length;
-
- mov eax, [edx + dsPrevLen]
- mov [bestlen], eax
-
-;;; Store the sum of s->window + best_len in esi locally, and in esi.
-
- add esi, eax
- mov [windowbestlen], esi
-
-;;; register ush scan_start = *(ushf*)scan;
-;;; register ush scan_end = *(ushf*)(scan+best_len-1);
-;;; Posf *prev = s->prev;
-
- movzx ebx, word ptr [edi]
- mov [scanstart], ebx
- movzx ebx, word ptr [edi + eax - 1]
- mov [scanend], ebx
- mov edi, [edx + dsPrev]
-
-;;; Jump into the main loop.
-
- mov edx, [chainlenwmask]
- jmp short LoopEntry
-
-align 4
-
-;;; do {
-;;; match = s->window + cur_match;
-;;; if (*(ushf*)(match+best_len-1) != scan_end ||
-;;; *(ushf*)match != scan_start) continue;
-;;; [...]
-;;; } while ((cur_match = prev[cur_match & wmask]) > limit
-;;; && --chain_length != 0);
-;;;
-;;; Here is the inner loop of the function. The function will spend the
-;;; majority of its time in this loop, and majority of that time will
-;;; be spent in the first ten instructions.
-;;;
-;;; Within this loop:
-;;; ebx = scanend
-;;; ecx = curmatch
-;;; edx = chainlenwmask - i.e., ((chainlen << 16) | wmask)
-;;; esi = windowbestlen - i.e., (window + bestlen)
-;;; edi = prev
-;;; ebp = limit
-
-LookupLoop:
- and ecx, edx
- movzx ecx, word ptr [edi + ecx*2]
- cmp ecx, ebp
- jbe LeaveNow
- sub edx, 00010000h
- js LeaveNow
-LoopEntry: movzx eax, word ptr [esi + ecx - 1]
- cmp eax, ebx
- jnz LookupLoop
- mov eax, [window]
- movzx eax, word ptr [eax + ecx]
- cmp eax, [scanstart]
- jnz LookupLoop
-
-;;; Store the current value of chainlen.
-
- mov [chainlenwmask], edx
-
-;;; Point edi to the string under scrutiny, and esi to the string we
-;;; are hoping to match it up with. In actuality, esi and edi are
-;;; both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and edx is
-;;; initialized to -(MAX_MATCH_8 - scanalign).
-
- mov esi, [window]
- mov edi, [scan]
- add esi, ecx
- mov eax, [scanalign]
- mov edx, 0fffffef8h; -(MAX_MATCH_8)
- lea edi, [edi + eax + 0108h] ;MAX_MATCH_8]
- lea esi, [esi + eax + 0108h] ;MAX_MATCH_8]
-
-;;; Test the strings for equality, 8 bytes at a time. At the end,
-;;; adjust edx so that it is offset to the exact byte that mismatched.
-;;;
-;;; We already know at this point that the first three bytes of the
-;;; strings match each other, and they can be safely passed over before
-;;; starting the compare loop. So what this code does is skip over 0-3
-;;; bytes, as much as necessary in order to dword-align the edi
-;;; pointer. (esi will still be misaligned three times out of four.)
-;;;
-;;; It should be confessed that this loop usually does not represent
-;;; much of the total running time. Replacing it with a more
-;;; straightforward "rep cmpsb" would not drastically degrade
-;;; performance.
-
-LoopCmps:
- mov eax, [esi + edx]
- xor eax, [edi + edx]
- jnz LeaveLoopCmps
- mov eax, [esi + edx + 4]
- xor eax, [edi + edx + 4]
- jnz LeaveLoopCmps4
- add edx, 8
- jnz LoopCmps
- jmp short LenMaximum
-LeaveLoopCmps4: add edx, 4
-LeaveLoopCmps: test eax, 0000FFFFh
- jnz LenLower
- add edx, 2
- shr eax, 16
-LenLower: sub al, 1
- adc edx, 0
-
-;;; Calculate the length of the match. If it is longer than MAX_MATCH,
-;;; then automatically accept it as the best possible match and leave.
-
- lea eax, [edi + edx]
- mov edi, [scan]
- sub eax, edi
- cmp eax, MAX_MATCH
- jge LenMaximum
-
-;;; If the length of the match is not longer than the best match we
-;;; have so far, then forget it and return to the lookup loop.
-
- mov edx, [deflatestate]
- mov ebx, [bestlen]
- cmp eax, ebx
- jg LongerMatch
- mov esi, [windowbestlen]
- mov edi, [edx + dsPrev]
- mov ebx, [scanend]
- mov edx, [chainlenwmask]
- jmp LookupLoop
-
-;;; s->match_start = cur_match;
-;;; best_len = len;
-;;; if (len >= nice_match) break;
-;;; scan_end = *(ushf*)(scan+best_len-1);
-
-LongerMatch: mov ebx, [nicematch]
- mov [bestlen], eax
- mov [edx + dsMatchStart], ecx
- cmp eax, ebx
- jge LeaveNow
- mov esi, [window]
- add esi, eax
- mov [windowbestlen], esi
- movzx ebx, word ptr [edi + eax - 1]
- mov edi, [edx + dsPrev]
- mov [scanend], ebx
- mov edx, [chainlenwmask]
- jmp LookupLoop
-
-;;; Accept the current string, with the maximum possible length.
-
-LenMaximum: mov edx, [deflatestate]
- mov dword ptr [bestlen], MAX_MATCH
- mov [edx + dsMatchStart], ecx
-
-;;; if ((uInt)best_len <= s->lookahead) return (uInt)best_len;
-;;; return s->lookahead;
-
-LeaveNow:
- mov edx, [deflatestate]
- mov ebx, [bestlen]
- mov eax, [edx + dsLookahead]
- cmp ebx, eax
- jg LookaheadRet
- mov eax, ebx
-LookaheadRet:
-
-;;; Restore the stack and return from whence we came.
-
- add esp, LocalVarsSize
- pop ebx
- pop esi
- pop edi
- pop ebp
-
- ret
-; please don't remove this string !
-; Your can freely use gvmat32 in any free or commercial app if you don't remove the string in the binary!
- db 0dh,0ah,"asm686 with masm, optimised assembly code from Brian Raiter, written 1998",0dh,0ah
-
-
-IFDEF NOOLDPENTIUMCODE
- IFDEF NOUNDERLINE
- longest_match endp
- ELSE
- _longest_match endp
- ENDIF
-
- IFDEF NOUNDERLINE
- match_init proc near
- ret
- match_init endp
- ELSE
- _match_init proc near
- ret
- _match_init endp
- ENDIF
-ELSE
- IFDEF NOUNDERLINE
- longest_match_686 endp
- ELSE
- _longest_match_686 endp
- ENDIF
-ENDIF
-
-_TEXT ends
-end
+++ /dev/null
-/* gvmat32.c -- C portion of the optimized longest_match for 32 bits x86
- * Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant.
- * File written by Gilles Vollant, by modifiying the longest_match
- * from Jean-loup Gailly in deflate.c
- * it prepare all parameters and call the assembly longest_match_gvasm
- * longest_match execute standard C code is wmask != 0x7fff
- * (assembly code is faster with a fixed wmask)
- *
- * Read comment at beginning of gvmat32.asm for more information
- */
-
-#if defined(ASMV) && (!defined(NOOLDPENTIUMCODE))
-#include "deflate.h"
-
-/* if your C compiler don't add underline before function name,
- define ADD_UNDERLINE_ASMFUNC */
-#ifdef ADD_UNDERLINE_ASMFUNC
-#define longest_match_7fff _longest_match_7fff
-#define longest_match_686 _longest_match_686
-#define cpudetect32 _cpudetect32
-#endif
-
-
-unsigned long cpudetect32();
-
-uInt longest_match_c(
- deflate_state *s,
- IPos cur_match); /* current match */
-
-
-uInt longest_match_7fff(
- deflate_state *s,
- IPos cur_match); /* current match */
-
-uInt longest_match_686(
- deflate_state *s,
- IPos cur_match); /* current match */
-
-
-static uInt iIsPPro=2;
-
-void match_init ()
-{
- iIsPPro = (((cpudetect32()/0x100)&0xf)>=6) ? 1 : 0;
-}
-
-uInt longest_match(
- deflate_state *s,
- IPos cur_match) /* current match */
-{
- if (iIsPPro!=0)
- return longest_match_686(s,cur_match);
-
- if (s->w_mask != 0x7fff)
- return longest_match_686(s,cur_match);
-
- /* now ((s->w_mask == 0x7fff) && (iIsPPro==0)) */
- return longest_match_7fff(s,cur_match);
-}
-
-
-#endif /* defined(ASMV) && (!defined(NOOLDPENTIUMCODE)) */
+++ /dev/null
-;/* inffas32.asm is a hand tuned assembler version of inffast.c -- fast decoding
-; *
-; * inffas32.asm is derivated from inffas86.c, with translation of assembly code
-; *
-; * Copyright (C) 1995-2003 Mark Adler
-; * For conditions of distribution and use, see copyright notice in zlib.h
-; *
-; * Copyright (C) 2003 Chris Anderson <christop@charm.net>
-; * Please use the copyright conditions above.
-; *
-; * Mar-13-2003 -- Most of this is derived from inffast.S which is derived from
-; * the gcc -S output of zlib-1.2.0/inffast.c. Zlib-1.2.0 is in beta release at
-; * the moment. I have successfully compiled and tested this code with gcc2.96,
-; * gcc3.2, icc5.0, msvc6.0. It is very close to the speed of inffast.S
-; * compiled with gcc -DNO_MMX, but inffast.S is still faster on the P3 with MMX
-; * enabled. I will attempt to merge the MMX code into this version. Newer
-; * versions of this and inffast.S can be found at
-; * http://www.eetbeetee.com/zlib/ and http://www.charm.net/~christop/zlib/
-; *
-; * 2005 : modification by Gilles Vollant
-; */
-; For Visual C++ 4.x and higher and ML 6.x and higher
-; ml.exe is in directory \MASM611C of Win95 DDK
-; ml.exe is also distributed in http://www.masm32.com/masmdl.htm
-; and in VC++2003 toolkit at http://msdn.microsoft.com/visualc/vctoolkit2003/
-;
-;
-; compile with command line option
-; ml /coff /Zi /c /Flinffas32.lst inffas32.asm
-
-; if you define NO_GZIP (see inflate.h), compile with
-; ml /coff /Zi /c /Flinffas32.lst /DNO_GUNZIP inffas32.asm
-
-
-; zlib122sup is 0 fort zlib 1.2.2.1 and lower
-; zlib122sup is 8 fort zlib 1.2.2.2 and more (with addition of dmax and head
-; in inflate_state in inflate.h)
-zlib1222sup equ 8
-
-
-IFDEF GUNZIP
- INFLATE_MODE_TYPE equ 11
- INFLATE_MODE_BAD equ 26
-ELSE
- IFNDEF NO_GUNZIP
- INFLATE_MODE_TYPE equ 11
- INFLATE_MODE_BAD equ 26
- ELSE
- INFLATE_MODE_TYPE equ 3
- INFLATE_MODE_BAD equ 17
- ENDIF
-ENDIF
-
-
-; 75 "inffast.S"
-;FILE "inffast.S"
-
-;;;GLOBAL _inflate_fast
-
-;;;SECTION .text
-
-
-
- .586p
- .mmx
-
- name inflate_fast_x86
- .MODEL FLAT
-
-_DATA segment
-inflate_fast_use_mmx:
- dd 1
-
-
-_TEXT segment
-PUBLIC _inflate_fast
-
-ALIGN 4
-_inflate_fast:
- jmp inflate_fast_entry
-
-
-
-ALIGN 4
- db 'Fast decoding Code from Chris Anderson'
- db 0
-
-ALIGN 4
-invalid_literal_length_code_msg:
- db 'invalid literal/length code'
- db 0
-
-ALIGN 4
-invalid_distance_code_msg:
- db 'invalid distance code'
- db 0
-
-ALIGN 4
-invalid_distance_too_far_msg:
- db 'invalid distance too far back'
- db 0
-
-
-ALIGN 4
-inflate_fast_mask:
-dd 0
-dd 1
-dd 3
-dd 7
-dd 15
-dd 31
-dd 63
-dd 127
-dd 255
-dd 511
-dd 1023
-dd 2047
-dd 4095
-dd 8191
-dd 16383
-dd 32767
-dd 65535
-dd 131071
-dd 262143
-dd 524287
-dd 1048575
-dd 2097151
-dd 4194303
-dd 8388607
-dd 16777215
-dd 33554431
-dd 67108863
-dd 134217727
-dd 268435455
-dd 536870911
-dd 1073741823
-dd 2147483647
-dd 4294967295
-
-
-mode_state equ 0 ;/* state->mode */
-wsize_state equ (32+zlib1222sup) ;/* state->wsize */
-write_state equ (36+4+zlib1222sup) ;/* state->write */
-window_state equ (40+4+zlib1222sup) ;/* state->window */
-hold_state equ (44+4+zlib1222sup) ;/* state->hold */
-bits_state equ (48+4+zlib1222sup) ;/* state->bits */
-lencode_state equ (64+4+zlib1222sup) ;/* state->lencode */
-distcode_state equ (68+4+zlib1222sup) ;/* state->distcode */
-lenbits_state equ (72+4+zlib1222sup) ;/* state->lenbits */
-distbits_state equ (76+4+zlib1222sup) ;/* state->distbits */
-
-
-;;SECTION .text
-; 205 "inffast.S"
-;GLOBAL inflate_fast_use_mmx
-
-;SECTION .data
-
-
-; GLOBAL inflate_fast_use_mmx:object
-;.size inflate_fast_use_mmx, 4
-; 226 "inffast.S"
-;SECTION .text
-
-ALIGN 4
-inflate_fast_entry:
- push edi
- push esi
- push ebp
- push ebx
- pushfd
- sub esp,64
- cld
-
-
-
-
- mov esi, [esp+88]
- mov edi, [esi+28]
-
-
-
-
-
-
-
- mov edx, [esi+4]
- mov eax, [esi+0]
-
- add edx,eax
- sub edx,11
-
- mov [esp+44],eax
- mov [esp+20],edx
-
- mov ebp, [esp+92]
- mov ecx, [esi+16]
- mov ebx, [esi+12]
-
- sub ebp,ecx
- neg ebp
- add ebp,ebx
-
- sub ecx,257
- add ecx,ebx
-
- mov [esp+60],ebx
- mov [esp+40],ebp
- mov [esp+16],ecx
-; 285 "inffast.S"
- mov eax, [edi+lencode_state]
- mov ecx, [edi+distcode_state]
-
- mov [esp+8],eax
- mov [esp+12],ecx
-
- mov eax,1
- mov ecx, [edi+lenbits_state]
- shl eax,cl
- dec eax
- mov [esp+0],eax
-
- mov eax,1
- mov ecx, [edi+distbits_state]
- shl eax,cl
- dec eax
- mov [esp+4],eax
-
- mov eax, [edi+wsize_state]
- mov ecx, [edi+write_state]
- mov edx, [edi+window_state]
-
- mov [esp+52],eax
- mov [esp+48],ecx
- mov [esp+56],edx
-
- mov ebp, [edi+hold_state]
- mov ebx, [edi+bits_state]
-; 321 "inffast.S"
- mov esi, [esp+44]
- mov ecx, [esp+20]
- cmp ecx,esi
- ja L_align_long
-
- add ecx,11
- sub ecx,esi
- mov eax,12
- sub eax,ecx
- lea edi, [esp+28]
- rep movsb
- mov ecx,eax
- xor eax,eax
- rep stosb
- lea esi, [esp+28]
- mov [esp+20],esi
- jmp L_is_aligned
-
-
-L_align_long:
- test esi,3
- jz L_is_aligned
- xor eax,eax
- mov al, [esi]
- inc esi
- mov ecx,ebx
- add ebx,8
- shl eax,cl
- or ebp,eax
- jmp L_align_long
-
-L_is_aligned:
- mov edi, [esp+60]
-; 366 "inffast.S"
-L_check_mmx:
- cmp dword ptr [inflate_fast_use_mmx],2
- je L_init_mmx
- ja L_do_loop
-
- push eax
- push ebx
- push ecx
- push edx
- pushfd
- mov eax, [esp]
- xor dword ptr [esp],0200000h
-
-
-
-
- popfd
- pushfd
- pop edx
- xor edx,eax
- jz L_dont_use_mmx
- xor eax,eax
- cpuid
- cmp ebx,0756e6547h
- jne L_dont_use_mmx
- cmp ecx,06c65746eh
- jne L_dont_use_mmx
- cmp edx,049656e69h
- jne L_dont_use_mmx
- mov eax,1
- cpuid
- shr eax,8
- and eax,15
- cmp eax,6
- jne L_dont_use_mmx
- test edx,0800000h
- jnz L_use_mmx
- jmp L_dont_use_mmx
-L_use_mmx:
- mov dword ptr [inflate_fast_use_mmx],2
- jmp L_check_mmx_pop
-L_dont_use_mmx:
- mov dword ptr [inflate_fast_use_mmx],3
-L_check_mmx_pop:
- pop edx
- pop ecx
- pop ebx
- pop eax
- jmp L_check_mmx
-; 426 "inffast.S"
-ALIGN 4
-L_do_loop:
-; 437 "inffast.S"
- cmp bl,15
- ja L_get_length_code
-
- xor eax,eax
- lodsw
- mov cl,bl
- add bl,16
- shl eax,cl
- or ebp,eax
-
-L_get_length_code:
- mov edx, [esp+0]
- mov ecx, [esp+8]
- and edx,ebp
- mov eax, [ecx+edx*4]
-
-L_dolen:
-
-
-
-
-
-
- mov cl,ah
- sub bl,ah
- shr ebp,cl
-
-
-
-
-
-
- test al,al
- jnz L_test_for_length_base
-
- shr eax,16
- stosb
-
-L_while_test:
-
-
- cmp [esp+16],edi
- jbe L_break_loop
-
- cmp [esp+20],esi
- ja L_do_loop
- jmp L_break_loop
-
-L_test_for_length_base:
-; 502 "inffast.S"
- mov edx,eax
- shr edx,16
- mov cl,al
-
- test al,16
- jz L_test_for_second_level_length
- and cl,15
- jz L_save_len
- cmp bl,cl
- jae L_add_bits_to_len
-
- mov ch,cl
- xor eax,eax
- lodsw
- mov cl,bl
- add bl,16
- shl eax,cl
- or ebp,eax
- mov cl,ch
-
-L_add_bits_to_len:
- mov eax,1
- shl eax,cl
- dec eax
- sub bl,cl
- and eax,ebp
- shr ebp,cl
- add edx,eax
-
-L_save_len:
- mov [esp+24],edx
-
-
-L_decode_distance:
-; 549 "inffast.S"
- cmp bl,15
- ja L_get_distance_code
-
- xor eax,eax
- lodsw
- mov cl,bl
- add bl,16
- shl eax,cl
- or ebp,eax
-
-L_get_distance_code:
- mov edx, [esp+4]
- mov ecx, [esp+12]
- and edx,ebp
- mov eax, [ecx+edx*4]
-
-
-L_dodist:
- mov edx,eax
- shr edx,16
- mov cl,ah
- sub bl,ah
- shr ebp,cl
-; 584 "inffast.S"
- mov cl,al
-
- test al,16
- jz L_test_for_second_level_dist
- and cl,15
- jz L_check_dist_one
- cmp bl,cl
- jae L_add_bits_to_dist
-
- mov ch,cl
- xor eax,eax
- lodsw
- mov cl,bl
- add bl,16
- shl eax,cl
- or ebp,eax
- mov cl,ch
-
-L_add_bits_to_dist:
- mov eax,1
- shl eax,cl
- dec eax
- sub bl,cl
- and eax,ebp
- shr ebp,cl
- add edx,eax
- jmp L_check_window
-
-L_check_window:
-; 625 "inffast.S"
- mov [esp+44],esi
- mov eax,edi
- sub eax, [esp+40]
-
- cmp eax,edx
- jb L_clip_window
-
- mov ecx, [esp+24]
- mov esi,edi
- sub esi,edx
-
- sub ecx,3
- mov al, [esi]
- mov [edi],al
- mov al, [esi+1]
- mov dl, [esi+2]
- add esi,3
- mov [edi+1],al
- mov [edi+2],dl
- add edi,3
- rep movsb
-
- mov esi, [esp+44]
- jmp L_while_test
-
-ALIGN 4
-L_check_dist_one:
- cmp edx,1
- jne L_check_window
- cmp [esp+40],edi
- je L_check_window
-
- dec edi
- mov ecx, [esp+24]
- mov al, [edi]
- sub ecx,3
-
- mov [edi+1],al
- mov [edi+2],al
- mov [edi+3],al
- add edi,4
- rep stosb
-
- jmp L_while_test
-
-ALIGN 4
-L_test_for_second_level_length:
-
-
-
-
- test al,64
- jnz L_test_for_end_of_block
-
- mov eax,1
- shl eax,cl
- dec eax
- and eax,ebp
- add eax,edx
- mov edx, [esp+8]
- mov eax, [edx+eax*4]
- jmp L_dolen
-
-ALIGN 4
-L_test_for_second_level_dist:
-
-
-
-
- test al,64
- jnz L_invalid_distance_code
-
- mov eax,1
- shl eax,cl
- dec eax
- and eax,ebp
- add eax,edx
- mov edx, [esp+12]
- mov eax, [edx+eax*4]
- jmp L_dodist
-
-ALIGN 4
-L_clip_window:
-; 721 "inffast.S"
- mov ecx,eax
- mov eax, [esp+52]
- neg ecx
- mov esi, [esp+56]
-
- cmp eax,edx
- jb L_invalid_distance_too_far
-
- add ecx,edx
- cmp dword ptr [esp+48],0
- jne L_wrap_around_window
-
- sub eax,ecx
- add esi,eax
-; 749 "inffast.S"
- mov eax, [esp+24]
- cmp eax,ecx
- jbe L_do_copy1
-
- sub eax,ecx
- rep movsb
- mov esi,edi
- sub esi,edx
- jmp L_do_copy1
-
- cmp eax,ecx
- jbe L_do_copy1
-
- sub eax,ecx
- rep movsb
- mov esi,edi
- sub esi,edx
- jmp L_do_copy1
-
-L_wrap_around_window:
-; 793 "inffast.S"
- mov eax, [esp+48]
- cmp ecx,eax
- jbe L_contiguous_in_window
-
- add esi, [esp+52]
- add esi,eax
- sub esi,ecx
- sub ecx,eax
-
-
- mov eax, [esp+24]
- cmp eax,ecx
- jbe L_do_copy1
-
- sub eax,ecx
- rep movsb
- mov esi, [esp+56]
- mov ecx, [esp+48]
- cmp eax,ecx
- jbe L_do_copy1
-
- sub eax,ecx
- rep movsb
- mov esi,edi
- sub esi,edx
- jmp L_do_copy1
-
-L_contiguous_in_window:
-; 836 "inffast.S"
- add esi,eax
- sub esi,ecx
-
-
- mov eax, [esp+24]
- cmp eax,ecx
- jbe L_do_copy1
-
- sub eax,ecx
- rep movsb
- mov esi,edi
- sub esi,edx
-
-L_do_copy1:
-; 862 "inffast.S"
- mov ecx,eax
- rep movsb
-
- mov esi, [esp+44]
- jmp L_while_test
-; 878 "inffast.S"
-ALIGN 4
-L_init_mmx:
- emms
-
-
-
-
-
- movd mm0,ebp
- mov ebp,ebx
-; 896 "inffast.S"
- movd mm4,[esp+0]
- movq mm3,mm4
- movd mm5,[esp+4]
- movq mm2,mm5
- pxor mm1,mm1
- mov ebx, [esp+8]
- jmp L_do_loop_mmx
-
-ALIGN 4
-L_do_loop_mmx:
- psrlq mm0,mm1
-
- cmp ebp,32
- ja L_get_length_code_mmx
-
- movd mm6,ebp
- movd mm7,[esi]
- add esi,4
- psllq mm7,mm6
- add ebp,32
- por mm0,mm7
-
-L_get_length_code_mmx:
- pand mm4,mm0
- movd eax,mm4
- movq mm4,mm3
- mov eax, [ebx+eax*4]
-
-L_dolen_mmx:
- movzx ecx,ah
- movd mm1,ecx
- sub ebp,ecx
-
- test al,al
- jnz L_test_for_length_base_mmx
-
- shr eax,16
- stosb
-
-L_while_test_mmx:
-
-
- cmp [esp+16],edi
- jbe L_break_loop
-
- cmp [esp+20],esi
- ja L_do_loop_mmx
- jmp L_break_loop
-
-L_test_for_length_base_mmx:
-
- mov edx,eax
- shr edx,16
-
- test al,16
- jz L_test_for_second_level_length_mmx
- and eax,15
- jz L_decode_distance_mmx
-
- psrlq mm0,mm1
- movd mm1,eax
- movd ecx,mm0
- sub ebp,eax
- and ecx, [inflate_fast_mask+eax*4]
- add edx,ecx
-
-L_decode_distance_mmx:
- psrlq mm0,mm1
-
- cmp ebp,32
- ja L_get_dist_code_mmx
-
- movd mm6,ebp
- movd mm7,[esi]
- add esi,4
- psllq mm7,mm6
- add ebp,32
- por mm0,mm7
-
-L_get_dist_code_mmx:
- mov ebx, [esp+12]
- pand mm5,mm0
- movd eax,mm5
- movq mm5,mm2
- mov eax, [ebx+eax*4]
-
-L_dodist_mmx:
-
- movzx ecx,ah
- mov ebx,eax
- shr ebx,16
- sub ebp,ecx
- movd mm1,ecx
-
- test al,16
- jz L_test_for_second_level_dist_mmx
- and eax,15
- jz L_check_dist_one_mmx
-
-L_add_bits_to_dist_mmx:
- psrlq mm0,mm1
- movd mm1,eax
- movd ecx,mm0
- sub ebp,eax
- and ecx, [inflate_fast_mask+eax*4]
- add ebx,ecx
-
-L_check_window_mmx:
- mov [esp+44],esi
- mov eax,edi
- sub eax, [esp+40]
-
- cmp eax,ebx
- jb L_clip_window_mmx
-
- mov ecx,edx
- mov esi,edi
- sub esi,ebx
-
- sub ecx,3
- mov al, [esi]
- mov [edi],al
- mov al, [esi+1]
- mov dl, [esi+2]
- add esi,3
- mov [edi+1],al
- mov [edi+2],dl
- add edi,3
- rep movsb
-
- mov esi, [esp+44]
- mov ebx, [esp+8]
- jmp L_while_test_mmx
-
-ALIGN 4
-L_check_dist_one_mmx:
- cmp ebx,1
- jne L_check_window_mmx
- cmp [esp+40],edi
- je L_check_window_mmx
-
- dec edi
- mov ecx,edx
- mov al, [edi]
- sub ecx,3
-
- mov [edi+1],al
- mov [edi+2],al
- mov [edi+3],al
- add edi,4
- rep stosb
-
- mov ebx, [esp+8]
- jmp L_while_test_mmx
-
-ALIGN 4
-L_test_for_second_level_length_mmx:
- test al,64
- jnz L_test_for_end_of_block
-
- and eax,15
- psrlq mm0,mm1
- movd ecx,mm0
- and ecx, [inflate_fast_mask+eax*4]
- add ecx,edx
- mov eax, [ebx+ecx*4]
- jmp L_dolen_mmx
-
-ALIGN 4
-L_test_for_second_level_dist_mmx:
- test al,64
- jnz L_invalid_distance_code
-
- and eax,15
- psrlq mm0,mm1
- movd ecx,mm0
- and ecx, [inflate_fast_mask+eax*4]
- mov eax, [esp+12]
- add ecx,ebx
- mov eax, [eax+ecx*4]
- jmp L_dodist_mmx
-
-ALIGN 4
-L_clip_window_mmx:
-
- mov ecx,eax
- mov eax, [esp+52]
- neg ecx
- mov esi, [esp+56]
-
- cmp eax,ebx
- jb L_invalid_distance_too_far
-
- add ecx,ebx
- cmp dword ptr [esp+48],0
- jne L_wrap_around_window_mmx
-
- sub eax,ecx
- add esi,eax
-
- cmp edx,ecx
- jbe L_do_copy1_mmx
-
- sub edx,ecx
- rep movsb
- mov esi,edi
- sub esi,ebx
- jmp L_do_copy1_mmx
-
- cmp edx,ecx
- jbe L_do_copy1_mmx
-
- sub edx,ecx
- rep movsb
- mov esi,edi
- sub esi,ebx
- jmp L_do_copy1_mmx
-
-L_wrap_around_window_mmx:
-
- mov eax, [esp+48]
- cmp ecx,eax
- jbe L_contiguous_in_window_mmx
-
- add esi, [esp+52]
- add esi,eax
- sub esi,ecx
- sub ecx,eax
-
-
- cmp edx,ecx
- jbe L_do_copy1_mmx
-
- sub edx,ecx
- rep movsb
- mov esi, [esp+56]
- mov ecx, [esp+48]
- cmp edx,ecx
- jbe L_do_copy1_mmx
-
- sub edx,ecx
- rep movsb
- mov esi,edi
- sub esi,ebx
- jmp L_do_copy1_mmx
-
-L_contiguous_in_window_mmx:
-
- add esi,eax
- sub esi,ecx
-
-
- cmp edx,ecx
- jbe L_do_copy1_mmx
-
- sub edx,ecx
- rep movsb
- mov esi,edi
- sub esi,ebx
-
-L_do_copy1_mmx:
-
-
- mov ecx,edx
- rep movsb
-
- mov esi, [esp+44]
- mov ebx, [esp+8]
- jmp L_while_test_mmx
-; 1174 "inffast.S"
-L_invalid_distance_code:
-
-
-
-
-
- mov ecx, invalid_distance_code_msg
- mov edx,INFLATE_MODE_BAD
- jmp L_update_stream_state
-
-L_test_for_end_of_block:
-
-
-
-
-
- test al,32
- jz L_invalid_literal_length_code
-
- mov ecx,0
- mov edx,INFLATE_MODE_TYPE
- jmp L_update_stream_state
-
-L_invalid_literal_length_code:
-
-
-
-
-
- mov ecx, invalid_literal_length_code_msg
- mov edx,INFLATE_MODE_BAD
- jmp L_update_stream_state
-
-L_invalid_distance_too_far:
-
-
-
- mov esi, [esp+44]
- mov ecx, invalid_distance_too_far_msg
- mov edx,INFLATE_MODE_BAD
- jmp L_update_stream_state
-
-L_update_stream_state:
-
- mov eax, [esp+88]
- test ecx,ecx
- jz L_skip_msg
- mov [eax+24],ecx
-L_skip_msg:
- mov eax, [eax+28]
- mov [eax+mode_state],edx
- jmp L_break_loop
-
-ALIGN 4
-L_break_loop:
-; 1243 "inffast.S"
- cmp dword ptr [inflate_fast_use_mmx],2
- jne L_update_next_in
-
-
-
- mov ebx,ebp
-
-L_update_next_in:
-; 1266 "inffast.S"
- mov eax, [esp+88]
- mov ecx,ebx
- mov edx, [eax+28]
- shr ecx,3
- sub esi,ecx
- shl ecx,3
- sub ebx,ecx
- mov [eax+12],edi
- mov [edx+bits_state],ebx
- mov ecx,ebx
-
- lea ebx, [esp+28]
- cmp [esp+20],ebx
- jne L_buf_not_used
-
- sub esi,ebx
- mov ebx, [eax+0]
- mov [esp+20],ebx
- add esi,ebx
- mov ebx, [eax+4]
- sub ebx,11
- add [esp+20],ebx
-
-L_buf_not_used:
- mov [eax+0],esi
-
- mov ebx,1
- shl ebx,cl
- dec ebx
-
-
-
-
-
- cmp dword ptr [inflate_fast_use_mmx],2
- jne L_update_hold
-
-
-
- psrlq mm0,mm1
- movd ebp,mm0
-
- emms
-
-L_update_hold:
-
-
-
- and ebp,ebx
- mov [edx+hold_state],ebp
-
-
-
-
- mov ebx, [esp+20]
- cmp ebx,esi
- jbe L_last_is_smaller
-
- sub ebx,esi
- add ebx,11
- mov [eax+4],ebx
- jmp L_fixup_out
-L_last_is_smaller:
- sub esi,ebx
- neg esi
- add esi,11
- mov [eax+4],esi
-
-
-
-
-L_fixup_out:
-
- mov ebx, [esp+16]
- cmp ebx,edi
- jbe L_end_is_smaller
-
- sub ebx,edi
- add ebx,257
- mov [eax+16],ebx
- jmp L_done
-L_end_is_smaller:
- sub edi,ebx
- neg edi
- add edi,257
- mov [eax+16],edi
-
-
-
-
-
-L_done:
- add esp,64
- popfd
- pop ebx
- pop ebp
- pop esi
- pop edi
- ret
-
-_TEXT ends
-end
+++ /dev/null
-cl /DASMV /I..\.. /O2 /c gvmat32c.c
-ml /coff /Zi /c /Flgvmat32.lst gvmat32.asm
-ml /coff /Zi /c /Flinffas32.lst inffas32.asm
+++ /dev/null
-
-Summary
--------
-This directory contains ASM implementations of the functions
-longest_match() and inflate_fast().
-
-
-Use instructions
-----------------
-Copy these files into the zlib source directory, then run the
-appropriate makefile, as suggested below.
-
-
-Build instructions
-------------------
-* With Microsoft C and MASM:
-nmake -f win32/Makefile.msc LOC="-DASMV -DASMINF" OBJA="gvmat32c.obj gvmat32.obj inffas32.obj"
-
-* With Borland C and TASM:
-make -f win32/Makefile.bor LOCAL_ZLIB="-DASMV -DASMINF" OBJA="gvmat32c.obj gvmat32.obj inffas32.obj" OBJPA="+gvmat32c.obj+gvmat32.obj+inffas32.obj"
-
+++ /dev/null
-Change in 1.01e (12 feb 05)
-- Fix in zipOpen2 for globalcomment (Rolf Kalbermatter)
-- Fix possible memory leak in unzip.c (Zoran Stevanovic)
-
-Change in 1.01b (20 may 04)
-- Integrate patch from Debian package (submited by Mark Brown)
-- Add tools mztools from Xavier Roche
-
-Change in 1.01 (8 may 04)
-- fix buffer overrun risk in unzip.c (Xavier Roche)
-- fix a minor buffer insecurity in minizip.c (Mike Whittaker)
-
-Change in 1.00: (10 sept 03)
-- rename to 1.00
-- cosmetic code change
-
-Change in 0.22: (19 May 03)
-- crypting support (unless you define NOCRYPT)
-- append file in existing zipfile
-
-Change in 0.21: (10 Mar 03)
-- bug fixes
-
-Change in 0.17: (27 Jan 02)
-- bug fixes
-
-Change in 0.16: (19 Jan 02)
-- Support of ioapi for virtualize zip file access
-
-Change in 0.15: (19 Mar 98)
-- fix memory leak in minizip.c
-
-Change in 0.14: (10 Mar 98)
-- fix bugs in minizip.c sample for zipping big file
-- fix problem in month in date handling
-- fix bug in unzlocal_GetCurrentFileInfoInternal in unzip.c for
- comment handling
-
-Change in 0.13: (6 Mar 98)
-- fix bugs in zip.c
-- add real minizip sample
-
-Change in 0.12: (4 Mar 98)
-- add zip.c and zip.h for creates .zip file
-- fix change_file_date in miniunz.c for Unix (Jean-loup Gailly)
-- fix miniunz.c for file without specific record for directory
-
-Change in 0.11: (3 Mar 98)
-- fix bug in unzGetCurrentFileInfo for get extra field and comment
-- enhance miniunz sample, remove the bad unztst.c sample
-
-Change in 0.10: (2 Mar 98)
-- fix bug in unzReadCurrentFile
-- rename unzip* to unz* function and structure
-- remove Windows-like hungary notation variable name
-- modify some structure in unzip.h
-- add somes comment in source
-- remove unzipGetcCurrentFile function
-- replace ZUNZEXPORT by ZEXPORT
-- add unzGetLocalExtrafield for get the local extrafield info
-- add a new sample, miniunz.c
-
-Change in 0.4: (25 Feb 98)
-- suppress the type unzipFileInZip.
- Only on file in the zipfile can be open at the same time
-- fix somes typo in code
-- added tm_unz structure in unzip_file_info (date/time in readable format)
+++ /dev/null
-/* crypt.h -- base code for crypt/uncrypt ZIPfile
-
-
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-
- This code is a modified version of crypting code in Infozip distribution
-
- The encryption/decryption parts of this source code (as opposed to the
- non-echoing password parts) were originally written in Europe. The
- whole source package can be freely distributed, including from the USA.
- (Prior to January 2000, re-export from the US was a violation of US law.)
-
- This encryption code is a direct transcription of the algorithm from
- Roger Schlafly, described by Phil Katz in the file appnote.txt. This
- file (appnote.txt) is distributed with the PKZIP program (even in the
- version without encryption capabilities).
-
- If you don't need crypting in your application, just define symbols
- NOCRYPT and NOUNCRYPT.
-
- This code support the "Traditional PKWARE Encryption".
-
- The new AES encryption added on Zip format by Winzip (see the page
- http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong
- Encryption is not supported.
-*/
-
-#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
-
-/***********************************************************************
- * Return the next byte in the pseudo-random sequence
- */
-static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab)
-{
- unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an
- * unpredictable manner on 16-bit systems; not a problem
- * with any known compiler so far, though */
-
- temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2;
- return (int)(((temp * (temp ^ 1)) >> 8) & 0xff);
-}
-
-/***********************************************************************
- * Update the encryption keys with the next byte of plain text
- */
-static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c)
-{
- (*(pkeys+0)) = CRC32((*(pkeys+0)), c);
- (*(pkeys+1)) += (*(pkeys+0)) & 0xff;
- (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1;
- {
- register int keyshift = (int)((*(pkeys+1)) >> 24);
- (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift);
- }
- return c;
-}
-
-
-/***********************************************************************
- * Initialize the encryption keys and the random header according to
- * the given password.
- */
-static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab)
-{
- *(pkeys+0) = 305419896L;
- *(pkeys+1) = 591751049L;
- *(pkeys+2) = 878082192L;
- while (*passwd != '\0') {
- update_keys(pkeys,pcrc_32_tab,(int)*passwd);
- passwd++;
- }
-}
-
-#define zdecode(pkeys,pcrc_32_tab,c) \
- (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
-
-#define zencode(pkeys,pcrc_32_tab,c,t) \
- (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c))
-
-#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED
-
-#define RAND_HEAD_LEN 12
- /* "last resort" source for second part of crypt seed pattern */
-# ifndef ZCR_SEED2
-# define ZCR_SEED2 3141592654UL /* use PI as default pattern */
-# endif
-
-static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting)
- const char *passwd; /* password string */
- unsigned char *buf; /* where to write header */
- int bufSize;
- unsigned long* pkeys;
- const unsigned long* pcrc_32_tab;
- unsigned long crcForCrypting;
-{
- int n; /* index in random header */
- int t; /* temporary */
- int c; /* random byte */
- unsigned char header[RAND_HEAD_LEN-2]; /* random header */
- static unsigned calls = 0; /* ensure different random header each time */
-
- if (bufSize<RAND_HEAD_LEN)
- return 0;
-
- /* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the
- * output of rand() to get less predictability, since rand() is
- * often poorly implemented.
- */
- if (++calls == 1)
- {
- srand((unsigned)(time(NULL) ^ ZCR_SEED2));
- }
- init_keys(passwd, pkeys, pcrc_32_tab);
- for (n = 0; n < RAND_HEAD_LEN-2; n++)
- {
- c = (rand() >> 7) & 0xff;
- header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t);
- }
- /* Encrypt random header (last two bytes is high word of crc) */
- init_keys(passwd, pkeys, pcrc_32_tab);
- for (n = 0; n < RAND_HEAD_LEN-2; n++)
- {
- buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t);
- }
- buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t);
- buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t);
- return n;
-}
-
-#endif
+++ /dev/null
-/* ioapi.c -- IO base function header for compress/uncompress .zip
- files using zlib + zip or unzip API
-
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "zlib.h"
-#include "ioapi.h"
-
-
-
-/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
-
-#ifndef SEEK_CUR
-#define SEEK_CUR 1
-#endif
-
-#ifndef SEEK_END
-#define SEEK_END 2
-#endif
-
-#ifndef SEEK_SET
-#define SEEK_SET 0
-#endif
-
-voidpf ZCALLBACK fopen_file_func OF((
- voidpf opaque,
- const char* filename,
- int mode));
-
-uLong ZCALLBACK fread_file_func OF((
- voidpf opaque,
- voidpf stream,
- void* buf,
- uLong size));
-
-uLong ZCALLBACK fwrite_file_func OF((
- voidpf opaque,
- voidpf stream,
- const void* buf,
- uLong size));
-
-long ZCALLBACK ftell_file_func OF((
- voidpf opaque,
- voidpf stream));
-
-long ZCALLBACK fseek_file_func OF((
- voidpf opaque,
- voidpf stream,
- uLong offset,
- int origin));
-
-int ZCALLBACK fclose_file_func OF((
- voidpf opaque,
- voidpf stream));
-
-int ZCALLBACK ferror_file_func OF((
- voidpf opaque,
- voidpf stream));
-
-
-voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
- voidpf opaque;
- const char* filename;
- int mode;
-{
- FILE* file = NULL;
- const char* mode_fopen = NULL;
- if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
- mode_fopen = "rb";
- else
- if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
- mode_fopen = "r+b";
- else
- if (mode & ZLIB_FILEFUNC_MODE_CREATE)
- mode_fopen = "wb";
-
- if ((filename!=NULL) && (mode_fopen != NULL))
- file = fopen(filename, mode_fopen);
- return file;
-}
-
-
-uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
- voidpf opaque;
- voidpf stream;
- void* buf;
- uLong size;
-{
- uLong ret;
- ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
- return ret;
-}
-
-
-uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
- voidpf opaque;
- voidpf stream;
- const void* buf;
- uLong size;
-{
- uLong ret;
- ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
- return ret;
-}
-
-long ZCALLBACK ftell_file_func (opaque, stream)
- voidpf opaque;
- voidpf stream;
-{
- long ret;
- ret = ftell((FILE *)stream);
- return ret;
-}
-
-long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
- voidpf opaque;
- voidpf stream;
- uLong offset;
- int origin;
-{
- int fseek_origin=0;
- long ret;
- switch (origin)
- {
- case ZLIB_FILEFUNC_SEEK_CUR :
- fseek_origin = SEEK_CUR;
- break;
- case ZLIB_FILEFUNC_SEEK_END :
- fseek_origin = SEEK_END;
- break;
- case ZLIB_FILEFUNC_SEEK_SET :
- fseek_origin = SEEK_SET;
- break;
- default: return -1;
- }
- ret = 0;
- fseek((FILE *)stream, offset, fseek_origin);
- return ret;
-}
-
-int ZCALLBACK fclose_file_func (opaque, stream)
- voidpf opaque;
- voidpf stream;
-{
- int ret;
- ret = fclose((FILE *)stream);
- return ret;
-}
-
-int ZCALLBACK ferror_file_func (opaque, stream)
- voidpf opaque;
- voidpf stream;
-{
- int ret;
- ret = ferror((FILE *)stream);
- return ret;
-}
-
-void fill_fopen_filefunc (pzlib_filefunc_def)
- zlib_filefunc_def* pzlib_filefunc_def;
-{
- pzlib_filefunc_def->zopen_file = fopen_file_func;
- pzlib_filefunc_def->zread_file = fread_file_func;
- pzlib_filefunc_def->zwrite_file = fwrite_file_func;
- pzlib_filefunc_def->ztell_file = ftell_file_func;
- pzlib_filefunc_def->zseek_file = fseek_file_func;
- pzlib_filefunc_def->zclose_file = fclose_file_func;
- pzlib_filefunc_def->zerror_file = ferror_file_func;
- pzlib_filefunc_def->opaque = NULL;
-}
+++ /dev/null
-/* ioapi.h -- IO base function header for compress/uncompress .zip
- files using zlib + zip or unzip API
-
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-*/
-
-#ifndef _ZLIBIOAPI_H
-#define _ZLIBIOAPI_H
-
-
-#define ZLIB_FILEFUNC_SEEK_CUR (1)
-#define ZLIB_FILEFUNC_SEEK_END (2)
-#define ZLIB_FILEFUNC_SEEK_SET (0)
-
-#define ZLIB_FILEFUNC_MODE_READ (1)
-#define ZLIB_FILEFUNC_MODE_WRITE (2)
-#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
-
-#define ZLIB_FILEFUNC_MODE_EXISTING (4)
-#define ZLIB_FILEFUNC_MODE_CREATE (8)
-
-
-#ifndef ZCALLBACK
-
-#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
-#define ZCALLBACK CALLBACK
-#else
-#define ZCALLBACK
-#endif
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
-typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
-typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
-typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
-typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
-typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
-typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
-
-typedef struct zlib_filefunc_def_s
-{
- open_file_func zopen_file;
- read_file_func zread_file;
- write_file_func zwrite_file;
- tell_file_func ztell_file;
- seek_file_func zseek_file;
- close_file_func zclose_file;
- testerror_file_func zerror_file;
- voidpf opaque;
-} zlib_filefunc_def;
-
-
-
-void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
-
-#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
-#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
-#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
-#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
-#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
-#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-
+++ /dev/null
-/* iowin32.c -- IO base function header for compress/uncompress .zip
- files using zlib + zip or unzip API
- This IO API version uses the Win32 API (for Microsoft Windows)
-
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-*/
-
-#include <stdlib.h>
-
-#include "zlib.h"
-#include "ioapi.h"
-#include "iowin32.h"
-
-#ifndef INVALID_HANDLE_VALUE
-#define INVALID_HANDLE_VALUE (0xFFFFFFFF)
-#endif
-
-#ifndef INVALID_SET_FILE_POINTER
-#define INVALID_SET_FILE_POINTER ((DWORD)-1)
-#endif
-
-voidpf ZCALLBACK win32_open_file_func OF((
- voidpf opaque,
- const char* filename,
- int mode));
-
-uLong ZCALLBACK win32_read_file_func OF((
- voidpf opaque,
- voidpf stream,
- void* buf,
- uLong size));
-
-uLong ZCALLBACK win32_write_file_func OF((
- voidpf opaque,
- voidpf stream,
- const void* buf,
- uLong size));
-
-long ZCALLBACK win32_tell_file_func OF((
- voidpf opaque,
- voidpf stream));
-
-long ZCALLBACK win32_seek_file_func OF((
- voidpf opaque,
- voidpf stream,
- uLong offset,
- int origin));
-
-int ZCALLBACK win32_close_file_func OF((
- voidpf opaque,
- voidpf stream));
-
-int ZCALLBACK win32_error_file_func OF((
- voidpf opaque,
- voidpf stream));
-
-typedef struct
-{
- HANDLE hf;
- int error;
-} WIN32FILE_IOWIN;
-
-voidpf ZCALLBACK win32_open_file_func (opaque, filename, mode)
- voidpf opaque;
- const char* filename;
- int mode;
-{
- const char* mode_fopen = NULL;
- DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
- HANDLE hFile = 0;
- voidpf ret=NULL;
-
- dwDesiredAccess = dwShareMode = dwFlagsAndAttributes = 0;
-
- if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
- {
- dwDesiredAccess = GENERIC_READ;
- dwCreationDisposition = OPEN_EXISTING;
- dwShareMode = FILE_SHARE_READ;
- }
- else
- if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
- {
- dwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
- dwCreationDisposition = OPEN_EXISTING;
- }
- else
- if (mode & ZLIB_FILEFUNC_MODE_CREATE)
- {
- dwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
- dwCreationDisposition = CREATE_ALWAYS;
- }
-
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL,
- dwCreationDisposition, dwFlagsAndAttributes, NULL);
-
- if (hFile == INVALID_HANDLE_VALUE)
- hFile = NULL;
-
- if (hFile != NULL)
- {
- WIN32FILE_IOWIN w32fiow;
- w32fiow.hf = hFile;
- w32fiow.error = 0;
- ret = malloc(sizeof(WIN32FILE_IOWIN));
- if (ret==NULL)
- CloseHandle(hFile);
- else *((WIN32FILE_IOWIN*)ret) = w32fiow;
- }
- return ret;
-}
-
-
-uLong ZCALLBACK win32_read_file_func (opaque, stream, buf, size)
- voidpf opaque;
- voidpf stream;
- void* buf;
- uLong size;
-{
- uLong ret=0;
- HANDLE hFile = NULL;
- if (stream!=NULL)
- hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
- if (hFile != NULL)
- if (!ReadFile(hFile, buf, size, &ret, NULL))
- {
- DWORD dwErr = GetLastError();
- if (dwErr == ERROR_HANDLE_EOF)
- dwErr = 0;
- ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
- }
-
- return ret;
-}
-
-
-uLong ZCALLBACK win32_write_file_func (opaque, stream, buf, size)
- voidpf opaque;
- voidpf stream;
- const void* buf;
- uLong size;
-{
- uLong ret=0;
- HANDLE hFile = NULL;
- if (stream!=NULL)
- hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
-
- if (hFile !=NULL)
- if (!WriteFile(hFile, buf, size, &ret, NULL))
- {
- DWORD dwErr = GetLastError();
- if (dwErr == ERROR_HANDLE_EOF)
- dwErr = 0;
- ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
- }
-
- return ret;
-}
-
-long ZCALLBACK win32_tell_file_func (opaque, stream)
- voidpf opaque;
- voidpf stream;
-{
- long ret=-1;
- HANDLE hFile = NULL;
- if (stream!=NULL)
- hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
- if (hFile != NULL)
- {
- DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
- if (dwSet == INVALID_SET_FILE_POINTER)
- {
- DWORD dwErr = GetLastError();
- ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
- ret = -1;
- }
- else
- ret=(long)dwSet;
- }
- return ret;
-}
-
-long ZCALLBACK win32_seek_file_func (opaque, stream, offset, origin)
- voidpf opaque;
- voidpf stream;
- uLong offset;
- int origin;
-{
- DWORD dwMoveMethod=0xFFFFFFFF;
- HANDLE hFile = NULL;
-
- long ret=-1;
- if (stream!=NULL)
- hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
- switch (origin)
- {
- case ZLIB_FILEFUNC_SEEK_CUR :
- dwMoveMethod = FILE_CURRENT;
- break;
- case ZLIB_FILEFUNC_SEEK_END :
- dwMoveMethod = FILE_END;
- break;
- case ZLIB_FILEFUNC_SEEK_SET :
- dwMoveMethod = FILE_BEGIN;
- break;
- default: return -1;
- }
-
- if (hFile != NULL)
- {
- DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod);
- if (dwSet == INVALID_SET_FILE_POINTER)
- {
- DWORD dwErr = GetLastError();
- ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
- ret = -1;
- }
- else
- ret=0;
- }
- return ret;
-}
-
-int ZCALLBACK win32_close_file_func (opaque, stream)
- voidpf opaque;
- voidpf stream;
-{
- int ret=-1;
-
- if (stream!=NULL)
- {
- HANDLE hFile;
- hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
- if (hFile != NULL)
- {
- CloseHandle(hFile);
- ret=0;
- }
- free(stream);
- }
- return ret;
-}
-
-int ZCALLBACK win32_error_file_func (opaque, stream)
- voidpf opaque;
- voidpf stream;
-{
- int ret=-1;
- if (stream!=NULL)
- {
- ret = ((WIN32FILE_IOWIN*)stream) -> error;
- }
- return ret;
-}
-
-void fill_win32_filefunc (pzlib_filefunc_def)
- zlib_filefunc_def* pzlib_filefunc_def;
-{
- pzlib_filefunc_def->zopen_file = win32_open_file_func;
- pzlib_filefunc_def->zread_file = win32_read_file_func;
- pzlib_filefunc_def->zwrite_file = win32_write_file_func;
- pzlib_filefunc_def->ztell_file = win32_tell_file_func;
- pzlib_filefunc_def->zseek_file = win32_seek_file_func;
- pzlib_filefunc_def->zclose_file = win32_close_file_func;
- pzlib_filefunc_def->zerror_file = win32_error_file_func;
- pzlib_filefunc_def->opaque=NULL;
-}
+++ /dev/null
-/* iowin32.h -- IO base function header for compress/uncompress .zip
- files using zlib + zip or unzip API
- This IO API version uses the Win32 API (for Microsoft Windows)
-
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-*/
-
-#include <windows.h>
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void fill_win32_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
-
-#ifdef __cplusplus
-}
-#endif
+++ /dev/null
-/*
- miniunz.c
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-*/
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-
-#ifdef unix
-# include <unistd.h>
-# include <utime.h>
-#else
-# include <direct.h>
-# include <io.h>
-#endif
-#ifdef __WIN32__
-#include <windows.h>
-#endif
-#include <time.h>
-
-#include "unzip.h"
-
-#define CASESENSITIVITY (0)
-#define WRITEBUFFERSIZE (8192)
-#define MAXFILENAME (256)
-
-#ifdef WIN32
-#define USEWIN32IOAPI
-#include "iowin32.h"
-#endif
-/*
- mini unzip, demo of unzip package
-
- usage :
- Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir]
-
- list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT
- if it exists
-*/
-
-
-/* change_file_date : change the date/time of a file
- filename : the filename of the file where date/time must be modified
- dosdate : the new date at the MSDos format (4 bytes)
- tmu_date : the SAME new date at the tm_unz format */
-void change_file_date(filename,dosdate,tmu_date)
- const char *filename;
- uLong dosdate;
- tm_unz tmu_date;
-{
-#ifdef WIN32
- HANDLE hFile;
- FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite;
-
- hFile = CreateFile(filename,GENERIC_READ | GENERIC_WRITE,
- 0,NULL,OPEN_EXISTING,0,NULL);
- GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
- DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
- LocalFileTimeToFileTime(&ftLocal,&ftm);
- SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
- CloseHandle(hFile);
-#else
-#ifdef unix
- struct utimbuf ut;
- struct tm newdate;
- newdate.tm_sec = tmu_date.tm_sec;
- newdate.tm_min=tmu_date.tm_min;
- newdate.tm_hour=tmu_date.tm_hour;
- newdate.tm_mday=tmu_date.tm_mday;
- newdate.tm_mon=tmu_date.tm_mon;
- if (tmu_date.tm_year > 1900)
- newdate.tm_year=tmu_date.tm_year - 1900;
- else
- newdate.tm_year=tmu_date.tm_year ;
- newdate.tm_isdst=-1;
-
- ut.actime=ut.modtime=mktime(&newdate);
- utime(filename,&ut);
-#endif
-#endif
-}
-
-
-/* mymkdir and change_file_date are not 100 % portable
- As I don't know well Unix, I wait feedback for the unix portion */
-
-int mymkdir(dirname)
- const char* dirname;
-{
- int ret=0;
-#ifdef WIN32
- ret = mkdir(dirname);
-#else
-#ifdef unix
- ret = mkdir (dirname,0775);
-#endif
-#endif
- return ret;
-}
-
-int makedir (newdir)
- char *newdir;
-{
- char *buffer ;
- char *p;
- int len = (int)strlen(newdir);
-
- if (len <= 0)
- return 0;
-
- buffer = (char*)malloc(len+1);
- strcpy(buffer,newdir);
-
- if (buffer[len-1] == '/') {
- buffer[len-1] = '\0';
- }
- if (mymkdir(buffer) == 0)
- {
- free(buffer);
- return 1;
- }
-
- p = buffer+1;
- while (1)
- {
- char hold;
-
- while(*p && *p != '\\' && *p != '/')
- p++;
- hold = *p;
- *p = 0;
- if ((mymkdir(buffer) == -1) && (errno == ENOENT))
- {
- printf("couldn't create directory %s\n",buffer);
- free(buffer);
- return 0;
- }
- if (hold == 0)
- break;
- *p++ = hold;
- }
- free(buffer);
- return 1;
-}
-
-void do_banner()
-{
- printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n");
- printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
-}
-
-void do_help()
-{
- printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \
- " -e Extract without pathname (junk paths)\n" \
- " -x Extract with pathname\n" \
- " -v list files\n" \
- " -l list files\n" \
- " -d directory to extract into\n" \
- " -o overwrite files without prompting\n" \
- " -p extract crypted file using password\n\n");
-}
-
-
-int do_list(uf)
- unzFile uf;
-{
- uLong i;
- unz_global_info gi;
- int err;
-
- err = unzGetGlobalInfo (uf,&gi);
- if (err!=UNZ_OK)
- printf("error %d with zipfile in unzGetGlobalInfo \n",err);
- printf(" Length Method Size Ratio Date Time CRC-32 Name\n");
- printf(" ------ ------ ---- ----- ---- ---- ------ ----\n");
- for (i=0;i<gi.number_entry;i++)
- {
- char filename_inzip[256];
- unz_file_info file_info;
- uLong ratio=0;
- const char *string_method;
- char charCrypt=' ';
- err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
- if (err!=UNZ_OK)
- {
- printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
- break;
- }
- if (file_info.uncompressed_size>0)
- ratio = (file_info.compressed_size*100)/file_info.uncompressed_size;
-
- /* display a '*' if the file is crypted */
- if ((file_info.flag & 1) != 0)
- charCrypt='*';
-
- if (file_info.compression_method==0)
- string_method="Stored";
- else
- if (file_info.compression_method==Z_DEFLATED)
- {
- uInt iLevel=(uInt)((file_info.flag & 0x6)/2);
- if (iLevel==0)
- string_method="Defl:N";
- else if (iLevel==1)
- string_method="Defl:X";
- else if ((iLevel==2) || (iLevel==3))
- string_method="Defl:F"; /* 2:fast , 3 : extra fast*/
- }
- else
- string_method="Unkn. ";
-
- printf("%7lu %6s%c%7lu %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n",
- file_info.uncompressed_size,string_method,
- charCrypt,
- file_info.compressed_size,
- ratio,
- (uLong)file_info.tmu_date.tm_mon + 1,
- (uLong)file_info.tmu_date.tm_mday,
- (uLong)file_info.tmu_date.tm_year % 100,
- (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min,
- (uLong)file_info.crc,filename_inzip);
- if ((i+1)<gi.number_entry)
- {
- err = unzGoToNextFile(uf);
- if (err!=UNZ_OK)
- {
- printf("error %d with zipfile in unzGoToNextFile\n",err);
- break;
- }
- }
- }
-
- return 0;
-}
-
-
-int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
- unzFile uf;
- const int* popt_extract_without_path;
- int* popt_overwrite;
- const char* password;
-{
- char filename_inzip[256];
- char* filename_withoutpath;
- char* p;
- int err=UNZ_OK;
- FILE *fout=NULL;
- void* buf;
- uInt size_buf;
-
- unz_file_info file_info;
- uLong ratio=0;
- err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
-
- if (err!=UNZ_OK)
- {
- printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
- return err;
- }
-
- size_buf = WRITEBUFFERSIZE;
- buf = (void*)malloc(size_buf);
- if (buf==NULL)
- {
- printf("Error allocating memory\n");
- return UNZ_INTERNALERROR;
- }
-
- p = filename_withoutpath = filename_inzip;
- while ((*p) != '\0')
- {
- if (((*p)=='/') || ((*p)=='\\'))
- filename_withoutpath = p+1;
- p++;
- }
-
- if ((*filename_withoutpath)=='\0')
- {
- if ((*popt_extract_without_path)==0)
- {
- printf("creating directory: %s\n",filename_inzip);
- mymkdir(filename_inzip);
- }
- }
- else
- {
- const char* write_filename;
- int skip=0;
-
- if ((*popt_extract_without_path)==0)
- write_filename = filename_inzip;
- else
- write_filename = filename_withoutpath;
-
- err = unzOpenCurrentFilePassword(uf,password);
- if (err!=UNZ_OK)
- {
- printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err);
- }
-
- if (((*popt_overwrite)==0) && (err==UNZ_OK))
- {
- char rep=0;
- FILE* ftestexist;
- ftestexist = fopen(write_filename,"rb");
- if (ftestexist!=NULL)
- {
- fclose(ftestexist);
- do
- {
- char answer[128];
- int ret;
-
- printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename);
- ret = scanf("%1s",answer);
- if (ret != 1)
- {
- exit(EXIT_FAILURE);
- }
- rep = answer[0] ;
- if ((rep>='a') && (rep<='z'))
- rep -= 0x20;
- }
- while ((rep!='Y') && (rep!='N') && (rep!='A'));
- }
-
- if (rep == 'N')
- skip = 1;
-
- if (rep == 'A')
- *popt_overwrite=1;
- }
-
- if ((skip==0) && (err==UNZ_OK))
- {
- fout=fopen(write_filename,"wb");
-
- /* some zipfile don't contain directory alone before file */
- if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
- (filename_withoutpath!=(char*)filename_inzip))
- {
- char c=*(filename_withoutpath-1);
- *(filename_withoutpath-1)='\0';
- makedir(write_filename);
- *(filename_withoutpath-1)=c;
- fout=fopen(write_filename,"wb");
- }
-
- if (fout==NULL)
- {
- printf("error opening %s\n",write_filename);
- }
- }
-
- if (fout!=NULL)
- {
- printf(" extracting: %s\n",write_filename);
-
- do
- {
- err = unzReadCurrentFile(uf,buf,size_buf);
- if (err<0)
- {
- printf("error %d with zipfile in unzReadCurrentFile\n",err);
- break;
- }
- if (err>0)
- if (fwrite(buf,err,1,fout)!=1)
- {
- printf("error in writing extracted file\n");
- err=UNZ_ERRNO;
- break;
- }
- }
- while (err>0);
- if (fout)
- fclose(fout);
-
- if (err==0)
- change_file_date(write_filename,file_info.dosDate,
- file_info.tmu_date);
- }
-
- if (err==UNZ_OK)
- {
- err = unzCloseCurrentFile (uf);
- if (err!=UNZ_OK)
- {
- printf("error %d with zipfile in unzCloseCurrentFile\n",err);
- }
- }
- else
- unzCloseCurrentFile(uf); /* don't lose the error */
- }
-
- free(buf);
- return err;
-}
-
-
-int do_extract(uf,opt_extract_without_path,opt_overwrite,password)
- unzFile uf;
- int opt_extract_without_path;
- int opt_overwrite;
- const char* password;
-{
- uLong i;
- unz_global_info gi;
- int err;
- FILE* fout=NULL;
-
- err = unzGetGlobalInfo (uf,&gi);
- if (err!=UNZ_OK)
- printf("error %d with zipfile in unzGetGlobalInfo \n",err);
-
- for (i=0;i<gi.number_entry;i++)
- {
- if (do_extract_currentfile(uf,&opt_extract_without_path,
- &opt_overwrite,
- password) != UNZ_OK)
- break;
-
- if ((i+1)<gi.number_entry)
- {
- err = unzGoToNextFile(uf);
- if (err!=UNZ_OK)
- {
- printf("error %d with zipfile in unzGoToNextFile\n",err);
- break;
- }
- }
- }
-
- return 0;
-}
-
-int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password)
- unzFile uf;
- const char* filename;
- int opt_extract_without_path;
- int opt_overwrite;
- const char* password;
-{
- int err = UNZ_OK;
- if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK)
- {
- printf("file %s not found in the zipfile\n",filename);
- return 2;
- }
-
- if (do_extract_currentfile(uf,&opt_extract_without_path,
- &opt_overwrite,
- password) == UNZ_OK)
- return 0;
- else
- return 1;
-}
-
-
-int main(argc,argv)
- int argc;
- char *argv[];
-{
- const char *zipfilename=NULL;
- const char *filename_to_extract=NULL;
- const char *password=NULL;
- char filename_try[MAXFILENAME+16] = "";
- int i;
- int opt_do_list=0;
- int opt_do_extract=1;
- int opt_do_extract_withoutpath=0;
- int opt_overwrite=0;
- int opt_extractdir=0;
- const char *dirname=NULL;
- unzFile uf=NULL;
-
- do_banner();
- if (argc==1)
- {
- do_help();
- return 0;
- }
- else
- {
- for (i=1;i<argc;i++)
- {
- if ((*argv[i])=='-')
- {
- const char *p=argv[i]+1;
-
- while ((*p)!='\0')
- {
- char c=*(p++);;
- if ((c=='l') || (c=='L'))
- opt_do_list = 1;
- if ((c=='v') || (c=='V'))
- opt_do_list = 1;
- if ((c=='x') || (c=='X'))
- opt_do_extract = 1;
- if ((c=='e') || (c=='E'))
- opt_do_extract = opt_do_extract_withoutpath = 1;
- if ((c=='o') || (c=='O'))
- opt_overwrite=1;
- if ((c=='d') || (c=='D'))
- {
- opt_extractdir=1;
- dirname=argv[i+1];
- }
-
- if (((c=='p') || (c=='P')) && (i+1<argc))
- {
- password=argv[i+1];
- i++;
- }
- }
- }
- else
- {
- if (zipfilename == NULL)
- zipfilename = argv[i];
- else if ((filename_to_extract==NULL) && (!opt_extractdir))
- filename_to_extract = argv[i] ;
- }
- }
- }
-
- if (zipfilename!=NULL)
- {
-
-# ifdef USEWIN32IOAPI
- zlib_filefunc_def ffunc;
-# endif
-
- strncpy(filename_try, zipfilename,MAXFILENAME-1);
- /* strncpy doesnt append the trailing NULL, of the string is too long. */
- filename_try[ MAXFILENAME ] = '\0';
-
-# ifdef USEWIN32IOAPI
- fill_win32_filefunc(&ffunc);
- uf = unzOpen2(zipfilename,&ffunc);
-# else
- uf = unzOpen(zipfilename);
-# endif
- if (uf==NULL)
- {
- strcat(filename_try,".zip");
-# ifdef USEWIN32IOAPI
- uf = unzOpen2(filename_try,&ffunc);
-# else
- uf = unzOpen(filename_try);
-# endif
- }
- }
-
- if (uf==NULL)
- {
- printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename);
- return 1;
- }
- printf("%s opened\n",filename_try);
-
- if (opt_do_list==1)
- return do_list(uf);
- else if (opt_do_extract==1)
- {
- if (opt_extractdir && chdir(dirname))
- {
- printf("Error changing into %s, aborting\n", dirname);
- exit(-1);
- }
-
- if (filename_to_extract == NULL)
- return do_extract(uf,opt_do_extract_withoutpath,opt_overwrite,password);
- else
- return do_extract_onefile(uf,filename_to_extract,
- opt_do_extract_withoutpath,opt_overwrite,password);
- }
- unzCloseCurrentFile(uf);
-
- return 0;
-}
+++ /dev/null
-/*
- minizip.c
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-
-#ifdef unix
-# include <unistd.h>
-# include <utime.h>
-# include <sys/types.h>
-# include <sys/stat.h>
-#else
-# include <direct.h>
-# include <io.h>
-#endif
-#ifdef __WIN32__
-#include <windows.h>
-#endif
-#include <time.h>
-
-#include "zip.h"
-
-#ifdef WIN32
-#define USEWIN32IOAPI
-#include "iowin32.h"
-#endif
-
-
-
-#define WRITEBUFFERSIZE (16384)
-#define MAXFILENAME (256)
-
-#ifdef WIN32
-uLong filetime(f, tmzip, dt)
- char *f; /* name of file to get info on */
- tm_zip *tmzip; /* return value: access, modific. and creation times */
- uLong *dt; /* dostime */
-{
- int ret = 0;
- {
- FILETIME ftLocal;
- HANDLE hFind;
- WIN32_FIND_DATA ff32;
-
- hFind = FindFirstFile(f,&ff32);
- if (hFind != INVALID_HANDLE_VALUE)
- {
- FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal);
- FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0);
- FindClose(hFind);
- ret = 1;
- }
- }
- return ret;
-}
-#else
-#ifdef unix
-uLong filetime(f, tmzip, dt)
- char *f; /* name of file to get info on */
- tm_zip *tmzip; /* return value: access, modific. and creation times */
- uLong *dt; /* dostime */
-{
- int ret=0;
- struct stat s; /* results of stat() */
- struct tm* filedate;
- time_t tm_t=0;
-
- if (strcmp(f,"-")!=0)
- {
- char name[MAXFILENAME+1];
- int len = strlen(f);
- if (len > MAXFILENAME)
- len = MAXFILENAME;
-
- strncpy(name, f,MAXFILENAME-1);
- /* strncpy doesnt append the trailing NULL, of the string is too long. */
- name[ MAXFILENAME ] = '\0';
-
- if (name[len - 1] == '/')
- name[len - 1] = '\0';
- /* not all systems allow stat'ing a file with / appended */
- if (stat(name,&s)==0)
- {
- tm_t = s.st_mtime;
- ret = 1;
- }
- }
- filedate = localtime(&tm_t);
-
- tmzip->tm_sec = filedate->tm_sec;
- tmzip->tm_min = filedate->tm_min;
- tmzip->tm_hour = filedate->tm_hour;
- tmzip->tm_mday = filedate->tm_mday;
- tmzip->tm_mon = filedate->tm_mon ;
- tmzip->tm_year = filedate->tm_year;
-
- return ret;
-}
-#else
-uLong filetime(f, tmzip, dt)
- char *f; /* name of file to get info on */
- tm_zip *tmzip; /* return value: access, modific. and creation times */
- uLong *dt; /* dostime */
-{
- return 0;
-}
-#endif
-#endif
-
-
-
-
-int check_exist_file(filename)
- const char* filename;
-{
- FILE* ftestexist;
- int ret = 1;
- ftestexist = fopen(filename,"rb");
- if (ftestexist==NULL)
- ret = 0;
- else
- fclose(ftestexist);
- return ret;
-}
-
-void do_banner()
-{
- printf("MiniZip 1.01b, demo of zLib + Zip package written by Gilles Vollant\n");
- printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
-}
-
-void do_help()
-{
- printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] file.zip [files_to_add]\n\n" \
- " -o Overwrite existing file.zip\n" \
- " -a Append to existing file.zip\n" \
- " -0 Store only\n" \
- " -1 Compress faster\n" \
- " -9 Compress better\n\n");
-}
-
-/* calculate the CRC32 of a file,
- because to encrypt a file, we need known the CRC32 of the file before */
-int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc)
-{
- unsigned long calculate_crc=0;
- int err=ZIP_OK;
- FILE * fin = fopen(filenameinzip,"rb");
- unsigned long size_read = 0;
- unsigned long total_read = 0;
- if (fin==NULL)
- {
- err = ZIP_ERRNO;
- }
-
- if (err == ZIP_OK)
- do
- {
- err = ZIP_OK;
- size_read = (int)fread(buf,1,size_buf,fin);
- if (size_read < size_buf)
- if (feof(fin)==0)
- {
- printf("error in reading %s\n",filenameinzip);
- err = ZIP_ERRNO;
- }
-
- if (size_read>0)
- calculate_crc = crc32(calculate_crc,buf,size_read);
- total_read += size_read;
-
- } while ((err == ZIP_OK) && (size_read>0));
-
- if (fin)
- fclose(fin);
-
- *result_crc=calculate_crc;
- printf("file %s crc %x\n",filenameinzip,calculate_crc);
- return err;
-}
-
-int main(argc,argv)
- int argc;
- char *argv[];
-{
- int i;
- int opt_overwrite=0;
- int opt_compress_level=Z_DEFAULT_COMPRESSION;
- int zipfilenamearg = 0;
- char filename_try[MAXFILENAME+16];
- int zipok;
- int err=0;
- int size_buf=0;
- void* buf=NULL;
- const char* password=NULL;
-
-
- do_banner();
- if (argc==1)
- {
- do_help();
- return 0;
- }
- else
- {
- for (i=1;i<argc;i++)
- {
- if ((*argv[i])=='-')
- {
- const char *p=argv[i]+1;
-
- while ((*p)!='\0')
- {
- char c=*(p++);;
- if ((c=='o') || (c=='O'))
- opt_overwrite = 1;
- if ((c=='a') || (c=='A'))
- opt_overwrite = 2;
- if ((c>='0') && (c<='9'))
- opt_compress_level = c-'0';
-
- if (((c=='p') || (c=='P')) && (i+1<argc))
- {
- password=argv[i+1];
- i++;
- }
- }
- }
- else
- if (zipfilenamearg == 0)
- zipfilenamearg = i ;
- }
- }
-
- size_buf = WRITEBUFFERSIZE;
- buf = (void*)malloc(size_buf);
- if (buf==NULL)
- {
- printf("Error allocating memory\n");
- return ZIP_INTERNALERROR;
- }
-
- if (zipfilenamearg==0)
- zipok=0;
- else
- {
- int i,len;
- int dot_found=0;
-
- zipok = 1 ;
- strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1);
- /* strncpy doesnt append the trailing NULL, of the string is too long. */
- filename_try[ MAXFILENAME ] = '\0';
-
- len=(int)strlen(filename_try);
- for (i=0;i<len;i++)
- if (filename_try[i]=='.')
- dot_found=1;
-
- if (dot_found==0)
- strcat(filename_try,".zip");
-
- if (opt_overwrite==2)
- {
- /* if the file don't exist, we not append file */
- if (check_exist_file(filename_try)==0)
- opt_overwrite=1;
- }
- else
- if (opt_overwrite==0)
- if (check_exist_file(filename_try)!=0)
- {
- char rep=0;
- do
- {
- char answer[128];
- int ret;
- printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppend : ",filename_try);
- ret = scanf("%1s",answer);
- if (ret != 1)
- {
- exit(EXIT_FAILURE);
- }
- rep = answer[0] ;
- if ((rep>='a') && (rep<='z'))
- rep -= 0x20;
- }
- while ((rep!='Y') && (rep!='N') && (rep!='A'));
- if (rep=='N')
- zipok = 0;
- if (rep=='A')
- opt_overwrite = 2;
- }
- }
-
- if (zipok==1)
- {
- zipFile zf;
- int errclose;
-# ifdef USEWIN32IOAPI
- zlib_filefunc_def ffunc;
- fill_win32_filefunc(&ffunc);
- zf = zipOpen2(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc);
-# else
- zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0);
-# endif
-
- if (zf == NULL)
- {
- printf("error opening %s\n",filename_try);
- err= ZIP_ERRNO;
- }
- else
- printf("creating %s\n",filename_try);
-
- for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++)
- {
- if (!((((*(argv[i]))=='-') || ((*(argv[i]))=='/')) &&
- ((argv[i][1]=='o') || (argv[i][1]=='O') ||
- (argv[i][1]=='a') || (argv[i][1]=='A') ||
- (argv[i][1]=='p') || (argv[i][1]=='P') ||
- ((argv[i][1]>='0') || (argv[i][1]<='9'))) &&
- (strlen(argv[i]) == 2)))
- {
- FILE * fin;
- int size_read;
- const char* filenameinzip = argv[i];
- zip_fileinfo zi;
- unsigned long crcFile=0;
-
- zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
- zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0;
- zi.dosDate = 0;
- zi.internal_fa = 0;
- zi.external_fa = 0;
- filetime(filenameinzip,&zi.tmz_date,&zi.dosDate);
-
-/*
- err = zipOpenNewFileInZip(zf,filenameinzip,&zi,
- NULL,0,NULL,0,NULL / * comment * /,
- (opt_compress_level != 0) ? Z_DEFLATED : 0,
- opt_compress_level);
-*/
- if ((password != NULL) && (err==ZIP_OK))
- err = getFileCrc(filenameinzip,buf,size_buf,&crcFile);
-
- err = zipOpenNewFileInZip3(zf,filenameinzip,&zi,
- NULL,0,NULL,0,NULL /* comment*/,
- (opt_compress_level != 0) ? Z_DEFLATED : 0,
- opt_compress_level,0,
- /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */
- -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
- password,crcFile);
-
- if (err != ZIP_OK)
- printf("error in opening %s in zipfile\n",filenameinzip);
- else
- {
- fin = fopen(filenameinzip,"rb");
- if (fin==NULL)
- {
- err=ZIP_ERRNO;
- printf("error in opening %s for reading\n",filenameinzip);
- }
- }
-
- if (err == ZIP_OK)
- do
- {
- err = ZIP_OK;
- size_read = (int)fread(buf,1,size_buf,fin);
- if (size_read < size_buf)
- if (feof(fin)==0)
- {
- printf("error in reading %s\n",filenameinzip);
- err = ZIP_ERRNO;
- }
-
- if (size_read>0)
- {
- err = zipWriteInFileInZip (zf,buf,size_read);
- if (err<0)
- {
- printf("error in writing %s in the zipfile\n",
- filenameinzip);
- }
-
- }
- } while ((err == ZIP_OK) && (size_read>0));
-
- if (fin)
- fclose(fin);
-
- if (err<0)
- err=ZIP_ERRNO;
- else
- {
- err = zipCloseFileInZip(zf);
- if (err!=ZIP_OK)
- printf("error in closing %s in the zipfile\n",
- filenameinzip);
- }
- }
- }
- errclose = zipClose(zf,NULL);
- if (errclose != ZIP_OK)
- printf("error in closing %s\n",filename_try);
- }
- else
- {
- do_help();
- }
-
- free(buf);
- return 0;
-}
+++ /dev/null
-/*
- Additional tools for Minizip
- Code: Xavier Roche '2004
- License: Same as ZLIB (www.gzip.org)
-*/
-
-/* Code */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "zlib.h"
-#include "unzip.h"
-
-#define READ_8(adr) ((unsigned char)*(adr))
-#define READ_16(adr) ( READ_8(adr) | (READ_8(adr+1) << 8) )
-#define READ_32(adr) ( READ_16(adr) | (READ_16((adr)+2) << 16) )
-
-#define WRITE_8(buff, n) do { \
- *((unsigned char*)(buff)) = (unsigned char) ((n) & 0xff); \
-} while(0)
-#define WRITE_16(buff, n) do { \
- WRITE_8((unsigned char*)(buff), n); \
- WRITE_8(((unsigned char*)(buff)) + 1, (n) >> 8); \
-} while(0)
-#define WRITE_32(buff, n) do { \
- WRITE_16((unsigned char*)(buff), (n) & 0xffff); \
- WRITE_16((unsigned char*)(buff) + 2, (n) >> 16); \
-} while(0)
-
-extern int ZEXPORT unzRepair(file, fileOut, fileOutTmp, nRecovered, bytesRecovered)
-const char* file;
-const char* fileOut;
-const char* fileOutTmp;
-uLong* nRecovered;
-uLong* bytesRecovered;
-{
- int err = Z_OK;
- FILE* fpZip = fopen(file, "rb");
- FILE* fpOut = fopen(fileOut, "wb");
- FILE* fpOutCD = fopen(fileOutTmp, "wb");
- if (fpZip != NULL && fpOut != NULL) {
- int entries = 0;
- uLong totalBytes = 0;
- char header[30];
- char filename[256];
- char extra[1024];
- int offset = 0;
- int offsetCD = 0;
- while ( fread(header, 1, 30, fpZip) == 30 ) {
- int currentOffset = offset;
-
- /* File entry */
- if (READ_32(header) == 0x04034b50) {
- unsigned int version = READ_16(header + 4);
- unsigned int gpflag = READ_16(header + 6);
- unsigned int method = READ_16(header + 8);
- unsigned int filetime = READ_16(header + 10);
- unsigned int filedate = READ_16(header + 12);
- unsigned int crc = READ_32(header + 14); /* crc */
- unsigned int cpsize = READ_32(header + 18); /* compressed size */
- unsigned int uncpsize = READ_32(header + 22); /* uncompressed sz */
- unsigned int fnsize = READ_16(header + 26); /* file name length */
- unsigned int extsize = READ_16(header + 28); /* extra field length */
- filename[0] = extra[0] = '\0';
-
- /* Header */
- if (fwrite(header, 1, 30, fpOut) == 30) {
- offset += 30;
- } else {
- err = Z_ERRNO;
- break;
- }
-
- /* Filename */
- if (fnsize > 0) {
- if (fread(filename, 1, fnsize, fpZip) == fnsize) {
- if (fwrite(filename, 1, fnsize, fpOut) == fnsize) {
- offset += fnsize;
- } else {
- err = Z_ERRNO;
- break;
- }
- } else {
- err = Z_ERRNO;
- break;
- }
- } else {
- err = Z_STREAM_ERROR;
- break;
- }
-
- /* Extra field */
- if (extsize > 0) {
- if (fread(extra, 1, extsize, fpZip) == extsize) {
- if (fwrite(extra, 1, extsize, fpOut) == extsize) {
- offset += extsize;
- } else {
- err = Z_ERRNO;
- break;
- }
- } else {
- err = Z_ERRNO;
- break;
- }
- }
-
- /* Data */
- {
- int dataSize = cpsize;
- if (dataSize == 0) {
- dataSize = uncpsize;
- }
- if (dataSize > 0) {
- char* data = malloc(dataSize);
- if (data != NULL) {
- if ((int)fread(data, 1, dataSize, fpZip) == dataSize) {
- if ((int)fwrite(data, 1, dataSize, fpOut) == dataSize) {
- offset += dataSize;
- totalBytes += dataSize;
- } else {
- err = Z_ERRNO;
- }
- } else {
- err = Z_ERRNO;
- }
- free(data);
- if (err != Z_OK) {
- break;
- }
- } else {
- err = Z_MEM_ERROR;
- break;
- }
- }
- }
-
- /* Central directory entry */
- {
- char header[46];
- char* comment = "";
- int comsize = (int) strlen(comment);
- WRITE_32(header, 0x02014b50);
- WRITE_16(header + 4, version);
- WRITE_16(header + 6, version);
- WRITE_16(header + 8, gpflag);
- WRITE_16(header + 10, method);
- WRITE_16(header + 12, filetime);
- WRITE_16(header + 14, filedate);
- WRITE_32(header + 16, crc);
- WRITE_32(header + 20, cpsize);
- WRITE_32(header + 24, uncpsize);
- WRITE_16(header + 28, fnsize);
- WRITE_16(header + 30, extsize);
- WRITE_16(header + 32, comsize);
- WRITE_16(header + 34, 0); /* disk # */
- WRITE_16(header + 36, 0); /* int attrb */
- WRITE_32(header + 38, 0); /* ext attrb */
- WRITE_32(header + 42, currentOffset);
- /* Header */
- if (fwrite(header, 1, 46, fpOutCD) == 46) {
- offsetCD += 46;
-
- /* Filename */
- if (fnsize > 0) {
- if (fwrite(filename, 1, fnsize, fpOutCD) == fnsize) {
- offsetCD += fnsize;
- } else {
- err = Z_ERRNO;
- break;
- }
- } else {
- err = Z_STREAM_ERROR;
- break;
- }
-
- /* Extra field */
- if (extsize > 0) {
- if (fwrite(extra, 1, extsize, fpOutCD) == extsize) {
- offsetCD += extsize;
- } else {
- err = Z_ERRNO;
- break;
- }
- }
-
- /* Comment field */
- if (comsize > 0) {
- if ((int)fwrite(comment, 1, comsize, fpOutCD) == comsize) {
- offsetCD += comsize;
- } else {
- err = Z_ERRNO;
- break;
- }
- }
-
-
- } else {
- err = Z_ERRNO;
- break;
- }
- }
-
- /* Success */
- entries++;
-
- } else {
- break;
- }
- }
-
- /* Final central directory */
- {
- int entriesZip = entries;
- char header[22];
- char* comment = ""; // "ZIP File recovered by zlib/minizip/mztools";
- int comsize = (int) strlen(comment);
- if (entriesZip > 0xffff) {
- entriesZip = 0xffff;
- }
- WRITE_32(header, 0x06054b50);
- WRITE_16(header + 4, 0); /* disk # */
- WRITE_16(header + 6, 0); /* disk # */
- WRITE_16(header + 8, entriesZip); /* hack */
- WRITE_16(header + 10, entriesZip); /* hack */
- WRITE_32(header + 12, offsetCD); /* size of CD */
- WRITE_32(header + 16, offset); /* offset to CD */
- WRITE_16(header + 20, comsize); /* comment */
-
- /* Header */
- if (fwrite(header, 1, 22, fpOutCD) == 22) {
-
- /* Comment field */
- if (comsize > 0) {
- if ((int)fwrite(comment, 1, comsize, fpOutCD) != comsize) {
- err = Z_ERRNO;
- }
- }
-
- } else {
- err = Z_ERRNO;
- }
- }
-
- /* Final merge (file + central directory) */
- fclose(fpOutCD);
- if (err == Z_OK) {
- fpOutCD = fopen(fileOutTmp, "rb");
- if (fpOutCD != NULL) {
- int nRead;
- char buffer[8192];
- while ( (nRead = (int)fread(buffer, 1, sizeof(buffer), fpOutCD)) > 0) {
- if ((int)fwrite(buffer, 1, nRead, fpOut) != nRead) {
- err = Z_ERRNO;
- break;
- }
- }
- fclose(fpOutCD);
- }
- }
-
- /* Close */
- fclose(fpZip);
- fclose(fpOut);
-
- /* Wipe temporary file */
- (void)remove(fileOutTmp);
-
- /* Number of recovered entries */
- if (err == Z_OK) {
- if (nRecovered != NULL) {
- *nRecovered = entries;
- }
- if (bytesRecovered != NULL) {
- *bytesRecovered = totalBytes;
- }
- }
- } else {
- err = Z_STREAM_ERROR;
- }
- return err;
-}
+++ /dev/null
-/*
- Additional tools for Minizip
- Code: Xavier Roche '2004
- License: Same as ZLIB (www.gzip.org)
-*/
-
-#ifndef _zip_tools_H
-#define _zip_tools_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifndef _ZLIB_H
-#include "zlib.h"
-#endif
-
-#include "unzip.h"
-
-/* Repair a ZIP file (missing central directory)
- file: file to recover
- fileOut: output file after recovery
- fileOutTmp: temporary file name used for recovery
-*/
-extern int ZEXPORT unzRepair(const char* file,
- const char* fileOut,
- const char* fileOutTmp,
- uLong* nRecovered,
- uLong* bytesRecovered);
-
-#endif
+++ /dev/null
-/* unzip.c -- IO for uncompress .zip files using zlib
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-
- Read unzip.h for more info
-*/
-
-/* Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of
-compatibility with older software. The following is from the original crypt.c. Code
-woven in by Terry Thorsen 1/2003.
-*/
-/*
- Copyright (c) 1990-2000 Info-ZIP. All rights reserved.
-
- See the accompanying file LICENSE, version 2000-Apr-09 or later
- (the contents of which are also included in zip.h) for terms of use.
- If, for some reason, all these files are missing, the Info-ZIP license
- also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
-*/
-/*
- crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h]
-
- The encryption/decryption parts of this source code (as opposed to the
- non-echoing password parts) were originally written in Europe. The
- whole source package can be freely distributed, including from the USA.
- (Prior to January 2000, re-export from the US was a violation of US law.)
- */
-
-/*
- This encryption code is a direct transcription of the algorithm from
- Roger Schlafly, described by Phil Katz in the file appnote.txt. This
- file (appnote.txt) is distributed with the PKZIP program (even in the
- version without encryption capabilities).
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "zlib.h"
-#include "unzip.h"
-
-#ifdef STDC
-# include <stddef.h>
-# include <string.h>
-# include <stdlib.h>
-#endif
-#ifdef NO_ERRNO_H
- extern int errno;
-#else
-# include <errno.h>
-#endif
-
-
-#ifndef local
-# define local static
-#endif
-/* compile with -Dlocal if your debugger can't find static symbols */
-
-
-#ifndef CASESENSITIVITYDEFAULT_NO
-# if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES)
-# define CASESENSITIVITYDEFAULT_NO
-# endif
-#endif
-
-
-#ifndef UNZ_BUFSIZE
-#define UNZ_BUFSIZE (16384)
-#endif
-
-#ifndef UNZ_MAXFILENAMEINZIP
-#define UNZ_MAXFILENAMEINZIP (256)
-#endif
-
-#ifndef ALLOC
-# define ALLOC(size) (malloc(size))
-#endif
-#ifndef TRYFREE
-# define TRYFREE(p) {if (p) free(p);}
-#endif
-
-#define SIZECENTRALDIRITEM (0x2e)
-#define SIZEZIPLOCALHEADER (0x1e)
-
-
-
-
-const char unz_copyright[] =
- " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";
-
-/* unz_file_info_interntal contain internal info about a file in zipfile*/
-typedef struct unz_file_info_internal_s
-{
- uLong offset_curfile;/* relative offset of local header 4 bytes */
-} unz_file_info_internal;
-
-
-/* file_in_zip_read_info_s contain internal information about a file in zipfile,
- when reading and decompress it */
-typedef struct
-{
- char *read_buffer; /* internal buffer for compressed data */
- z_stream stream; /* zLib stream structure for inflate */
-
- uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/
- uLong stream_initialised; /* flag set if stream structure is initialised*/
-
- uLong offset_local_extrafield;/* offset of the local extra field */
- uInt size_local_extrafield;/* size of the local extra field */
- uLong pos_local_extrafield; /* position in the local extra field in read*/
-
- uLong crc32; /* crc32 of all data uncompressed */
- uLong crc32_wait; /* crc32 we must obtain after decompress all */
- uLong rest_read_compressed; /* number of byte to be decompressed */
- uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/
- zlib_filefunc_def z_filefunc;
- voidpf filestream; /* io structore of the zipfile */
- uLong compression_method; /* compression method (0==store) */
- uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
- int raw;
-} file_in_zip_read_info_s;
-
-
-/* unz_s contain internal information about the zipfile
-*/
-typedef struct
-{
- zlib_filefunc_def z_filefunc;
- voidpf filestream; /* io structore of the zipfile */
- unz_global_info gi; /* public global information */
- uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
- uLong num_file; /* number of the current file in the zipfile*/
- uLong pos_in_central_dir; /* pos of the current file in the central dir*/
- uLong current_file_ok; /* flag about the usability of the current file*/
- uLong central_pos; /* position of the beginning of the central dir*/
-
- uLong size_central_dir; /* size of the central directory */
- uLong offset_central_dir; /* offset of start of central directory with
- respect to the starting disk number */
-
- unz_file_info cur_file_info; /* public info about the current file in zip*/
- unz_file_info_internal cur_file_info_internal; /* private info about it*/
- file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current
- file if we are decompressing it */
- int encrypted;
-# ifndef NOUNCRYPT
- unsigned long keys[3]; /* keys defining the pseudo-random sequence */
- const unsigned long* pcrc_32_tab;
-# endif
-} unz_s;
-
-
-#ifndef NOUNCRYPT
-#include "crypt.h"
-#endif
-
-/* ===========================================================================
- Read a byte from a gz_stream; update next_in and avail_in. Return EOF
- for end of file.
- IN assertion: the stream s has been sucessfully opened for reading.
-*/
-
-
-local int unzlocal_getByte OF((
- const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream,
- int *pi));
-
-local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
- int *pi;
-{
- unsigned char c;
- int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);
- if (err==1)
- {
- *pi = (int)c;
- return UNZ_OK;
- }
- else
- {
- if (ZERROR(*pzlib_filefunc_def,filestream))
- return UNZ_ERRNO;
- else
- return UNZ_EOF;
- }
-}
-
-
-/* ===========================================================================
- Reads a long in LSB order from the given gz_stream. Sets
-*/
-local int unzlocal_getShort OF((
- const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream,
- uLong *pX));
-
-local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
- uLong *pX;
-{
- uLong x ;
- int i;
- int err;
-
- err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
- x = (uLong)i;
-
- if (err==UNZ_OK)
- err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
- x += ((uLong)i)<<8;
-
- if (err==UNZ_OK)
- *pX = x;
- else
- *pX = 0;
- return err;
-}
-
-local int unzlocal_getLong OF((
- const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream,
- uLong *pX));
-
-local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
- uLong *pX;
-{
- uLong x ;
- int i;
- int err;
-
- err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
- x = (uLong)i;
-
- if (err==UNZ_OK)
- err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
- x += ((uLong)i)<<8;
-
- if (err==UNZ_OK)
- err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
- x += ((uLong)i)<<16;
-
- if (err==UNZ_OK)
- err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
- x += ((uLong)i)<<24;
-
- if (err==UNZ_OK)
- *pX = x;
- else
- *pX = 0;
- return err;
-}
-
-
-/* My own strcmpi / strcasecmp */
-local int strcmpcasenosensitive_internal (fileName1,fileName2)
- const char* fileName1;
- const char* fileName2;
-{
- for (;;)
- {
- char c1=*(fileName1++);
- char c2=*(fileName2++);
- if ((c1>='a') && (c1<='z'))
- c1 -= 0x20;
- if ((c2>='a') && (c2<='z'))
- c2 -= 0x20;
- if (c1=='\0')
- return ((c2=='\0') ? 0 : -1);
- if (c2=='\0')
- return 1;
- if (c1<c2)
- return -1;
- if (c1>c2)
- return 1;
- }
-}
-
-
-#ifdef CASESENSITIVITYDEFAULT_NO
-#define CASESENSITIVITYDEFAULTVALUE 2
-#else
-#define CASESENSITIVITYDEFAULTVALUE 1
-#endif
-
-#ifndef STRCMPCASENOSENTIVEFUNCTION
-#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal
-#endif
-
-/*
- Compare two filename (fileName1,fileName2).
- If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
- If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
- or strcasecmp)
- If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
- (like 1 on Unix, 2 on Windows)
-
-*/
-extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity)
- const char* fileName1;
- const char* fileName2;
- int iCaseSensitivity;
-{
- if (iCaseSensitivity==0)
- iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
-
- if (iCaseSensitivity==1)
- return strcmp(fileName1,fileName2);
-
- return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);
-}
-
-#ifndef BUFREADCOMMENT
-#define BUFREADCOMMENT (0x400)
-#endif
-
-/*
- Locate the Central directory of a zipfile (at the end, just before
- the global comment)
-*/
-local uLong unzlocal_SearchCentralDir OF((
- const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream));
-
-local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
-{
- unsigned char* buf;
- uLong uSizeFile;
- uLong uBackRead;
- uLong uMaxBack=0xffff; /* maximum size of global comment */
- uLong uPosFound=0;
-
- if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)
- return 0;
-
-
- uSizeFile = ZTELL(*pzlib_filefunc_def,filestream);
-
- if (uMaxBack>uSizeFile)
- uMaxBack = uSizeFile;
-
- buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
- if (buf==NULL)
- return 0;
-
- uBackRead = 4;
- while (uBackRead<uMaxBack)
- {
- uLong uReadSize,uReadPos ;
- int i;
- if (uBackRead+BUFREADCOMMENT>uMaxBack)
- uBackRead = uMaxBack;
- else
- uBackRead+=BUFREADCOMMENT;
- uReadPos = uSizeFile-uBackRead ;
-
- uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
- (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
- if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)
- break;
-
- if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)
- break;
-
- for (i=(int)uReadSize-3; (i--)>0;)
- if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
- ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
- {
- uPosFound = uReadPos+i;
- break;
- }
-
- if (uPosFound!=0)
- break;
- }
- TRYFREE(buf);
- return uPosFound;
-}
-
-/*
- Open a Zip file. path contain the full pathname (by example,
- on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer
- "zlib/zlib114.zip".
- If the zipfile cannot be opened (file doesn't exist or in not valid), the
- return value is NULL.
- Else, the return value is a unzFile Handle, usable with other function
- of this unzip package.
-*/
-extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def)
- const char *path;
- zlib_filefunc_def* pzlib_filefunc_def;
-{
- unz_s us;
- unz_s *s;
- uLong central_pos,uL;
-
- uLong number_disk; /* number of the current dist, used for
- spaning ZIP, unsupported, always 0*/
- uLong number_disk_with_CD; /* number the the disk with central dir, used
- for spaning ZIP, unsupported, always 0*/
- uLong number_entry_CD; /* total number of entries in
- the central dir
- (same than number_entry on nospan) */
-
- int err=UNZ_OK;
-
- if (unz_copyright[0]!=' ')
- return NULL;
-
- if (pzlib_filefunc_def==NULL)
- fill_fopen_filefunc(&us.z_filefunc);
- else
- us.z_filefunc = *pzlib_filefunc_def;
-
- us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque,
- path,
- ZLIB_FILEFUNC_MODE_READ |
- ZLIB_FILEFUNC_MODE_EXISTING);
- if (us.filestream==NULL)
- return NULL;
-
- central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream);
- if (central_pos==0)
- err=UNZ_ERRNO;
-
- if (ZSEEK(us.z_filefunc, us.filestream,
- central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)
- err=UNZ_ERRNO;
-
- /* the signature, already checked */
- if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK)
- err=UNZ_ERRNO;
-
- /* number of this disk */
- if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK)
- err=UNZ_ERRNO;
-
- /* number of the disk with the start of the central directory */
- if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK)
- err=UNZ_ERRNO;
-
- /* total number of entries in the central dir on this disk */
- if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK)
- err=UNZ_ERRNO;
-
- /* total number of entries in the central dir */
- if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK)
- err=UNZ_ERRNO;
-
- if ((number_entry_CD!=us.gi.number_entry) ||
- (number_disk_with_CD!=0) ||
- (number_disk!=0))
- err=UNZ_BADZIPFILE;
-
- /* size of the central directory */
- if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK)
- err=UNZ_ERRNO;
-
- /* offset of start of central directory with respect to the
- starting disk number */
- if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK)
- err=UNZ_ERRNO;
-
- /* zipfile comment length */
- if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK)
- err=UNZ_ERRNO;
-
- if ((central_pos<us.offset_central_dir+us.size_central_dir) &&
- (err==UNZ_OK))
- err=UNZ_BADZIPFILE;
-
- if (err!=UNZ_OK)
- {
- ZCLOSE(us.z_filefunc, us.filestream);
- return NULL;
- }
-
- us.byte_before_the_zipfile = central_pos -
- (us.offset_central_dir+us.size_central_dir);
- us.central_pos = central_pos;
- us.pfile_in_zip_read = NULL;
- us.encrypted = 0;
-
-
- s=(unz_s*)ALLOC(sizeof(unz_s));
- *s=us;
- unzGoToFirstFile((unzFile)s);
- return (unzFile)s;
-}
-
-
-extern unzFile ZEXPORT unzOpen (path)
- const char *path;
-{
- return unzOpen2(path, NULL);
-}
-
-/*
- Close a ZipFile opened with unzipOpen.
- If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),
- these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
- return UNZ_OK if there is no problem. */
-extern int ZEXPORT unzClose (file)
- unzFile file;
-{
- unz_s* s;
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
-
- if (s->pfile_in_zip_read!=NULL)
- unzCloseCurrentFile(file);
-
- ZCLOSE(s->z_filefunc, s->filestream);
- TRYFREE(s);
- return UNZ_OK;
-}
-
-
-/*
- Write info about the ZipFile in the *pglobal_info structure.
- No preparation of the structure is needed
- return UNZ_OK if there is no problem. */
-extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info)
- unzFile file;
- unz_global_info *pglobal_info;
-{
- unz_s* s;
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- *pglobal_info=s->gi;
- return UNZ_OK;
-}
-
-
-/*
- Translate date/time from Dos format to tm_unz (readable more easilty)
-*/
-local void unzlocal_DosDateToTmuDate (ulDosDate, ptm)
- uLong ulDosDate;
- tm_unz* ptm;
-{
- uLong uDate;
- uDate = (uLong)(ulDosDate>>16);
- ptm->tm_mday = (uInt)(uDate&0x1f) ;
- ptm->tm_mon = (uInt)((((uDate)&0x1E0)/0x20)-1) ;
- ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ;
-
- ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800);
- ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ;
- ptm->tm_sec = (uInt) (2*(ulDosDate&0x1f)) ;
-}
-
-/*
- Get Info about the current file in the zipfile, with internal only info
-*/
-local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file,
- unz_file_info *pfile_info,
- unz_file_info_internal
- *pfile_info_internal,
- char *szFileName,
- uLong fileNameBufferSize,
- void *extraField,
- uLong extraFieldBufferSize,
- char *szComment,
- uLong commentBufferSize));
-
-local int unzlocal_GetCurrentFileInfoInternal (file,
- pfile_info,
- pfile_info_internal,
- szFileName, fileNameBufferSize,
- extraField, extraFieldBufferSize,
- szComment, commentBufferSize)
- unzFile file;
- unz_file_info *pfile_info;
- unz_file_info_internal *pfile_info_internal;
- char *szFileName;
- uLong fileNameBufferSize;
- void *extraField;
- uLong extraFieldBufferSize;
- char *szComment;
- uLong commentBufferSize;
-{
- unz_s* s;
- unz_file_info file_info;
- unz_file_info_internal file_info_internal;
- int err=UNZ_OK;
- uLong uMagic;
- long lSeek=0;
-
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- if (ZSEEK(s->z_filefunc, s->filestream,
- s->pos_in_central_dir+s->byte_before_the_zipfile,
- ZLIB_FILEFUNC_SEEK_SET)!=0)
- err=UNZ_ERRNO;
-
-
- /* we check the magic */
- if (err==UNZ_OK)
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
- err=UNZ_ERRNO;
- else if (uMagic!=0x02014b50)
- err=UNZ_BADZIPFILE;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK)
- err=UNZ_ERRNO;
-
- unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date);
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK)
- err=UNZ_ERRNO;
-
- lSeek+=file_info.size_filename;
- if ((err==UNZ_OK) && (szFileName!=NULL))
- {
- uLong uSizeRead ;
- if (file_info.size_filename<fileNameBufferSize)
- {
- *(szFileName+file_info.size_filename)='\0';
- uSizeRead = file_info.size_filename;
- }
- else
- uSizeRead = fileNameBufferSize;
-
- if ((file_info.size_filename>0) && (fileNameBufferSize>0))
- if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead)
- err=UNZ_ERRNO;
- lSeek -= uSizeRead;
- }
-
-
- if ((err==UNZ_OK) && (extraField!=NULL))
- {
- uLong uSizeRead ;
- if (file_info.size_file_extra<extraFieldBufferSize)
- uSizeRead = file_info.size_file_extra;
- else
- uSizeRead = extraFieldBufferSize;
-
- if (lSeek!=0)
- if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
- lSeek=0;
- else
- err=UNZ_ERRNO;
- if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))
- if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead)
- err=UNZ_ERRNO;
- lSeek += file_info.size_file_extra - uSizeRead;
- }
- else
- lSeek+=file_info.size_file_extra;
-
-
- if ((err==UNZ_OK) && (szComment!=NULL))
- {
- uLong uSizeRead ;
- if (file_info.size_file_comment<commentBufferSize)
- {
- *(szComment+file_info.size_file_comment)='\0';
- uSizeRead = file_info.size_file_comment;
- }
- else
- uSizeRead = commentBufferSize;
-
- if (lSeek!=0)
- if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
- lSeek=0;
- else
- err=UNZ_ERRNO;
- if ((file_info.size_file_comment>0) && (commentBufferSize>0))
- if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead)
- err=UNZ_ERRNO;
- lSeek+=file_info.size_file_comment - uSizeRead;
- }
- else
- lSeek+=file_info.size_file_comment;
-
- if ((err==UNZ_OK) && (pfile_info!=NULL))
- *pfile_info=file_info;
-
- if ((err==UNZ_OK) && (pfile_info_internal!=NULL))
- *pfile_info_internal=file_info_internal;
-
- return err;
-}
-
-
-
-/*
- Write info about the ZipFile in the *pglobal_info structure.
- No preparation of the structure is needed
- return UNZ_OK if there is no problem.
-*/
-extern int ZEXPORT unzGetCurrentFileInfo (file,
- pfile_info,
- szFileName, fileNameBufferSize,
- extraField, extraFieldBufferSize,
- szComment, commentBufferSize)
- unzFile file;
- unz_file_info *pfile_info;
- char *szFileName;
- uLong fileNameBufferSize;
- void *extraField;
- uLong extraFieldBufferSize;
- char *szComment;
- uLong commentBufferSize;
-{
- return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,
- szFileName,fileNameBufferSize,
- extraField,extraFieldBufferSize,
- szComment,commentBufferSize);
-}
-
-/*
- Set the current file of the zipfile to the first file.
- return UNZ_OK if there is no problem
-*/
-extern int ZEXPORT unzGoToFirstFile (file)
- unzFile file;
-{
- int err=UNZ_OK;
- unz_s* s;
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- s->pos_in_central_dir=s->offset_central_dir;
- s->num_file=0;
- err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
- &s->cur_file_info_internal,
- NULL,0,NULL,0,NULL,0);
- s->current_file_ok = (err == UNZ_OK);
- return err;
-}
-
-/*
- Set the current file of the zipfile to the next file.
- return UNZ_OK if there is no problem
- return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
-*/
-extern int ZEXPORT unzGoToNextFile (file)
- unzFile file;
-{
- unz_s* s;
- int err;
-
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- if (!s->current_file_ok)
- return UNZ_END_OF_LIST_OF_FILE;
- if (s->gi.number_entry != 0xffff) /* 2^16 files overflow hack */
- if (s->num_file+1==s->gi.number_entry)
- return UNZ_END_OF_LIST_OF_FILE;
-
- s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename +
- s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ;
- s->num_file++;
- err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
- &s->cur_file_info_internal,
- NULL,0,NULL,0,NULL,0);
- s->current_file_ok = (err == UNZ_OK);
- return err;
-}
-
-
-/*
- Try locate the file szFileName in the zipfile.
- For the iCaseSensitivity signification, see unzipStringFileNameCompare
-
- return value :
- UNZ_OK if the file is found. It becomes the current file.
- UNZ_END_OF_LIST_OF_FILE if the file is not found
-*/
-extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
- unzFile file;
- const char *szFileName;
- int iCaseSensitivity;
-{
- unz_s* s;
- int err;
-
- /* We remember the 'current' position in the file so that we can jump
- * back there if we fail.
- */
- unz_file_info cur_file_infoSaved;
- unz_file_info_internal cur_file_info_internalSaved;
- uLong num_fileSaved;
- uLong pos_in_central_dirSaved;
-
-
- if (file==NULL)
- return UNZ_PARAMERROR;
-
- if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP)
- return UNZ_PARAMERROR;
-
- s=(unz_s*)file;
- if (!s->current_file_ok)
- return UNZ_END_OF_LIST_OF_FILE;
-
- /* Save the current state */
- num_fileSaved = s->num_file;
- pos_in_central_dirSaved = s->pos_in_central_dir;
- cur_file_infoSaved = s->cur_file_info;
- cur_file_info_internalSaved = s->cur_file_info_internal;
-
- err = unzGoToFirstFile(file);
-
- while (err == UNZ_OK)
- {
- char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];
- err = unzGetCurrentFileInfo(file,NULL,
- szCurrentFileName,sizeof(szCurrentFileName)-1,
- NULL,0,NULL,0);
- if (err == UNZ_OK)
- {
- if (unzStringFileNameCompare(szCurrentFileName,
- szFileName,iCaseSensitivity)==0)
- return UNZ_OK;
- err = unzGoToNextFile(file);
- }
- }
-
- /* We failed, so restore the state of the 'current file' to where we
- * were.
- */
- s->num_file = num_fileSaved ;
- s->pos_in_central_dir = pos_in_central_dirSaved ;
- s->cur_file_info = cur_file_infoSaved;
- s->cur_file_info_internal = cur_file_info_internalSaved;
- return err;
-}
-
-
-/*
-///////////////////////////////////////////
-// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net)
-// I need random access
-//
-// Further optimization could be realized by adding an ability
-// to cache the directory in memory. The goal being a single
-// comprehensive file read to put the file I need in a memory.
-*/
-
-/*
-typedef struct unz_file_pos_s
-{
- uLong pos_in_zip_directory; // offset in file
- uLong num_of_file; // # of file
-} unz_file_pos;
-*/
-
-extern int ZEXPORT unzGetFilePos(file, file_pos)
- unzFile file;
- unz_file_pos* file_pos;
-{
- unz_s* s;
-
- if (file==NULL || file_pos==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- if (!s->current_file_ok)
- return UNZ_END_OF_LIST_OF_FILE;
-
- file_pos->pos_in_zip_directory = s->pos_in_central_dir;
- file_pos->num_of_file = s->num_file;
-
- return UNZ_OK;
-}
-
-extern int ZEXPORT unzGoToFilePos(file, file_pos)
- unzFile file;
- unz_file_pos* file_pos;
-{
- unz_s* s;
- int err;
-
- if (file==NULL || file_pos==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
-
- /* jump to the right spot */
- s->pos_in_central_dir = file_pos->pos_in_zip_directory;
- s->num_file = file_pos->num_of_file;
-
- /* set the current file */
- err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
- &s->cur_file_info_internal,
- NULL,0,NULL,0,NULL,0);
- /* return results */
- s->current_file_ok = (err == UNZ_OK);
- return err;
-}
-
-/*
-// Unzip Helper Functions - should be here?
-///////////////////////////////////////////
-*/
-
-/*
- Read the local header of the current zipfile
- Check the coherency of the local header and info in the end of central
- directory about this file
- store in *piSizeVar the size of extra info in local header
- (filename and size of extra field data)
-*/
-local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
- poffset_local_extrafield,
- psize_local_extrafield)
- unz_s* s;
- uInt* piSizeVar;
- uLong *poffset_local_extrafield;
- uInt *psize_local_extrafield;
-{
- uLong uMagic,uData,uFlags;
- uLong size_filename;
- uLong size_extra_field;
- int err=UNZ_OK;
-
- *piSizeVar = 0;
- *poffset_local_extrafield = 0;
- *psize_local_extrafield = 0;
-
- if (ZSEEK(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile +
- s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0)
- return UNZ_ERRNO;
-
-
- if (err==UNZ_OK)
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
- err=UNZ_ERRNO;
- else if (uMagic!=0x04034b50)
- err=UNZ_BADZIPFILE;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)
- err=UNZ_ERRNO;
-/*
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))
- err=UNZ_BADZIPFILE;
-*/
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))
- err=UNZ_BADZIPFILE;
-
- if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&
- (s->cur_file_info.compression_method!=Z_DEFLATED))
- err=UNZ_BADZIPFILE;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */
- err=UNZ_ERRNO;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&
- ((uFlags & 8)==0))
- err=UNZ_BADZIPFILE;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&
- ((uFlags & 8)==0))
- err=UNZ_BADZIPFILE;
-
- if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) &&
- ((uFlags & 8)==0))
- err=UNZ_BADZIPFILE;
-
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK)
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))
- err=UNZ_BADZIPFILE;
-
- *piSizeVar += (uInt)size_filename;
-
- if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK)
- err=UNZ_ERRNO;
- *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +
- SIZEZIPLOCALHEADER + size_filename;
- *psize_local_extrafield = (uInt)size_extra_field;
-
- *piSizeVar += (uInt)size_extra_field;
-
- return err;
-}
-
-/*
- Open for reading data the current file in the zipfile.
- If there is no error and the file is opened, the return value is UNZ_OK.
-*/
-extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)
- unzFile file;
- int* method;
- int* level;
- int raw;
- const char* password;
-{
- int err=UNZ_OK;
- uInt iSizeVar;
- unz_s* s;
- file_in_zip_read_info_s* pfile_in_zip_read_info;
- uLong offset_local_extrafield; /* offset of the local extra field */
- uInt size_local_extrafield; /* size of the local extra field */
-# ifndef NOUNCRYPT
- char source[12];
-# else
- if (password != NULL)
- return UNZ_PARAMERROR;
-# endif
-
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- if (!s->current_file_ok)
- return UNZ_PARAMERROR;
-
- if (s->pfile_in_zip_read != NULL)
- unzCloseCurrentFile(file);
-
- if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar,
- &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)
- return UNZ_BADZIPFILE;
-
- pfile_in_zip_read_info = (file_in_zip_read_info_s*)
- ALLOC(sizeof(file_in_zip_read_info_s));
- if (pfile_in_zip_read_info==NULL)
- return UNZ_INTERNALERROR;
-
- pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE);
- pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield;
- pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield;
- pfile_in_zip_read_info->pos_local_extrafield=0;
- pfile_in_zip_read_info->raw=raw;
-
- if (pfile_in_zip_read_info->read_buffer==NULL)
- {
- TRYFREE(pfile_in_zip_read_info);
- return UNZ_INTERNALERROR;
- }
-
- pfile_in_zip_read_info->stream_initialised=0;
-
- if (method!=NULL)
- *method = (int)s->cur_file_info.compression_method;
-
- if (level!=NULL)
- {
- *level = 6;
- switch (s->cur_file_info.flag & 0x06)
- {
- case 6 : *level = 1; break;
- case 4 : *level = 2; break;
- case 2 : *level = 9; break;
- }
- }
-
- if ((s->cur_file_info.compression_method!=0) &&
- (s->cur_file_info.compression_method!=Z_DEFLATED))
- err=UNZ_BADZIPFILE;
-
- pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc;
- pfile_in_zip_read_info->crc32=0;
- pfile_in_zip_read_info->compression_method =
- s->cur_file_info.compression_method;
- pfile_in_zip_read_info->filestream=s->filestream;
- pfile_in_zip_read_info->z_filefunc=s->z_filefunc;
- pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile;
-
- pfile_in_zip_read_info->stream.total_out = 0;
-
- if ((s->cur_file_info.compression_method==Z_DEFLATED) &&
- (!raw))
- {
- pfile_in_zip_read_info->stream.zalloc = (alloc_func)0;
- pfile_in_zip_read_info->stream.zfree = (free_func)0;
- pfile_in_zip_read_info->stream.opaque = (voidpf)0;
- pfile_in_zip_read_info->stream.next_in = (voidpf)0;
- pfile_in_zip_read_info->stream.avail_in = 0;
-
- err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
- if (err == Z_OK)
- pfile_in_zip_read_info->stream_initialised=1;
- else
- {
- TRYFREE(pfile_in_zip_read_info);
- return err;
- }
- /* windowBits is passed < 0 to tell that there is no zlib header.
- * Note that in this case inflate *requires* an extra "dummy" byte
- * after the compressed stream in order to complete decompression and
- * return Z_STREAM_END.
- * In unzip, i don't wait absolutely Z_STREAM_END because I known the
- * size of both compressed and uncompressed data
- */
- }
- pfile_in_zip_read_info->rest_read_compressed =
- s->cur_file_info.compressed_size ;
- pfile_in_zip_read_info->rest_read_uncompressed =
- s->cur_file_info.uncompressed_size ;
-
-
- pfile_in_zip_read_info->pos_in_zipfile =
- s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER +
- iSizeVar;
-
- pfile_in_zip_read_info->stream.avail_in = (uInt)0;
-
- s->pfile_in_zip_read = pfile_in_zip_read_info;
-
-# ifndef NOUNCRYPT
- if (password != NULL)
- {
- int i;
- s->pcrc_32_tab = get_crc_table();
- init_keys(password,s->keys,s->pcrc_32_tab);
- if (ZSEEK(s->z_filefunc, s->filestream,
- s->pfile_in_zip_read->pos_in_zipfile +
- s->pfile_in_zip_read->byte_before_the_zipfile,
- SEEK_SET)!=0)
- return UNZ_INTERNALERROR;
- if(ZREAD(s->z_filefunc, s->filestream,source, 12)<12)
- return UNZ_INTERNALERROR;
-
- for (i = 0; i<12; i++)
- zdecode(s->keys,s->pcrc_32_tab,source[i]);
-
- s->pfile_in_zip_read->pos_in_zipfile+=12;
- s->encrypted=1;
- }
-# endif
-
-
- return UNZ_OK;
-}
-
-extern int ZEXPORT unzOpenCurrentFile (file)
- unzFile file;
-{
- return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL);
-}
-
-extern int ZEXPORT unzOpenCurrentFilePassword (file, password)
- unzFile file;
- const char* password;
-{
- return unzOpenCurrentFile3(file, NULL, NULL, 0, password);
-}
-
-extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw)
- unzFile file;
- int* method;
- int* level;
- int raw;
-{
- return unzOpenCurrentFile3(file, method, level, raw, NULL);
-}
-
-/*
- Read bytes from the current file.
- buf contain buffer where data must be copied
- len the size of buf.
-
- return the number of byte copied if somes bytes are copied
- return 0 if the end of file was reached
- return <0 with error code if there is an error
- (UNZ_ERRNO for IO error, or zLib error for uncompress error)
-*/
-extern int ZEXPORT unzReadCurrentFile (file, buf, len)
- unzFile file;
- voidp buf;
- unsigned len;
-{
- int err=UNZ_OK;
- uInt iRead = 0;
- unz_s* s;
- file_in_zip_read_info_s* pfile_in_zip_read_info;
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
-
- if (pfile_in_zip_read_info==NULL)
- return UNZ_PARAMERROR;
-
-
- if ((pfile_in_zip_read_info->read_buffer == NULL))
- return UNZ_END_OF_LIST_OF_FILE;
- if (len==0)
- return 0;
-
- pfile_in_zip_read_info->stream.next_out = (Bytef*)buf;
-
- pfile_in_zip_read_info->stream.avail_out = (uInt)len;
-
- if ((len>pfile_in_zip_read_info->rest_read_uncompressed) &&
- (!(pfile_in_zip_read_info->raw)))
- pfile_in_zip_read_info->stream.avail_out =
- (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
-
- if ((len>pfile_in_zip_read_info->rest_read_compressed+
- pfile_in_zip_read_info->stream.avail_in) &&
- (pfile_in_zip_read_info->raw))
- pfile_in_zip_read_info->stream.avail_out =
- (uInt)pfile_in_zip_read_info->rest_read_compressed+
- pfile_in_zip_read_info->stream.avail_in;
-
- while (pfile_in_zip_read_info->stream.avail_out>0)
- {
- if ((pfile_in_zip_read_info->stream.avail_in==0) &&
- (pfile_in_zip_read_info->rest_read_compressed>0))
- {
- uInt uReadThis = UNZ_BUFSIZE;
- if (pfile_in_zip_read_info->rest_read_compressed<uReadThis)
- uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed;
- if (uReadThis == 0)
- return UNZ_EOF;
- if (ZSEEK(pfile_in_zip_read_info->z_filefunc,
- pfile_in_zip_read_info->filestream,
- pfile_in_zip_read_info->pos_in_zipfile +
- pfile_in_zip_read_info->byte_before_the_zipfile,
- ZLIB_FILEFUNC_SEEK_SET)!=0)
- return UNZ_ERRNO;
- if (ZREAD(pfile_in_zip_read_info->z_filefunc,
- pfile_in_zip_read_info->filestream,
- pfile_in_zip_read_info->read_buffer,
- uReadThis)!=uReadThis)
- return UNZ_ERRNO;
-
-
-# ifndef NOUNCRYPT
- if(s->encrypted)
- {
- uInt i;
- for(i=0;i<uReadThis;i++)
- pfile_in_zip_read_info->read_buffer[i] =
- zdecode(s->keys,s->pcrc_32_tab,
- pfile_in_zip_read_info->read_buffer[i]);
- }
-# endif
-
-
- pfile_in_zip_read_info->pos_in_zipfile += uReadThis;
-
- pfile_in_zip_read_info->rest_read_compressed-=uReadThis;
-
- pfile_in_zip_read_info->stream.next_in =
- (Bytef*)pfile_in_zip_read_info->read_buffer;
- pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;
- }
-
- if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw))
- {
- uInt uDoCopy,i ;
-
- if ((pfile_in_zip_read_info->stream.avail_in == 0) &&
- (pfile_in_zip_read_info->rest_read_compressed == 0))
- return (iRead==0) ? UNZ_EOF : iRead;
-
- if (pfile_in_zip_read_info->stream.avail_out <
- pfile_in_zip_read_info->stream.avail_in)
- uDoCopy = pfile_in_zip_read_info->stream.avail_out ;
- else
- uDoCopy = pfile_in_zip_read_info->stream.avail_in ;
-
- for (i=0;i<uDoCopy;i++)
- *(pfile_in_zip_read_info->stream.next_out+i) =
- *(pfile_in_zip_read_info->stream.next_in+i);
-
- pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,
- pfile_in_zip_read_info->stream.next_out,
- uDoCopy);
- pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy;
- pfile_in_zip_read_info->stream.avail_in -= uDoCopy;
- pfile_in_zip_read_info->stream.avail_out -= uDoCopy;
- pfile_in_zip_read_info->stream.next_out += uDoCopy;
- pfile_in_zip_read_info->stream.next_in += uDoCopy;
- pfile_in_zip_read_info->stream.total_out += uDoCopy;
- iRead += uDoCopy;
- }
- else
- {
- uLong uTotalOutBefore,uTotalOutAfter;
- const Bytef *bufBefore;
- uLong uOutThis;
- int flush=Z_SYNC_FLUSH;
-
- uTotalOutBefore = pfile_in_zip_read_info->stream.total_out;
- bufBefore = pfile_in_zip_read_info->stream.next_out;
-
- /*
- if ((pfile_in_zip_read_info->rest_read_uncompressed ==
- pfile_in_zip_read_info->stream.avail_out) &&
- (pfile_in_zip_read_info->rest_read_compressed == 0))
- flush = Z_FINISH;
- */
- err=inflate(&pfile_in_zip_read_info->stream,flush);
-
- if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL))
- err = Z_DATA_ERROR;
-
- uTotalOutAfter = pfile_in_zip_read_info->stream.total_out;
- uOutThis = uTotalOutAfter-uTotalOutBefore;
-
- pfile_in_zip_read_info->crc32 =
- crc32(pfile_in_zip_read_info->crc32,bufBefore,
- (uInt)(uOutThis));
-
- pfile_in_zip_read_info->rest_read_uncompressed -=
- uOutThis;
-
- iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);
-
- if (err==Z_STREAM_END)
- return (iRead==0) ? UNZ_EOF : iRead;
- if (err!=Z_OK)
- break;
- }
- }
-
- if (err==Z_OK)
- return iRead;
- return err;
-}
-
-
-/*
- Give the current position in uncompressed data
-*/
-extern z_off_t ZEXPORT unztell (file)
- unzFile file;
-{
- unz_s* s;
- file_in_zip_read_info_s* pfile_in_zip_read_info;
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
-
- if (pfile_in_zip_read_info==NULL)
- return UNZ_PARAMERROR;
-
- return (z_off_t)pfile_in_zip_read_info->stream.total_out;
-}
-
-
-/*
- return 1 if the end of file was reached, 0 elsewhere
-*/
-extern int ZEXPORT unzeof (file)
- unzFile file;
-{
- unz_s* s;
- file_in_zip_read_info_s* pfile_in_zip_read_info;
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
-
- if (pfile_in_zip_read_info==NULL)
- return UNZ_PARAMERROR;
-
- if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
- return 1;
- else
- return 0;
-}
-
-
-
-/*
- Read extra field from the current file (opened by unzOpenCurrentFile)
- This is the local-header version of the extra field (sometimes, there is
- more info in the local-header version than in the central-header)
-
- if buf==NULL, it return the size of the local extra field that can be read
-
- if buf!=NULL, len is the size of the buffer, the extra header is copied in
- buf.
- the return value is the number of bytes copied in buf, or (if <0)
- the error code
-*/
-extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
- unzFile file;
- voidp buf;
- unsigned len;
-{
- unz_s* s;
- file_in_zip_read_info_s* pfile_in_zip_read_info;
- uInt read_now;
- uLong size_to_read;
-
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
-
- if (pfile_in_zip_read_info==NULL)
- return UNZ_PARAMERROR;
-
- size_to_read = (pfile_in_zip_read_info->size_local_extrafield -
- pfile_in_zip_read_info->pos_local_extrafield);
-
- if (buf==NULL)
- return (int)size_to_read;
-
- if (len>size_to_read)
- read_now = (uInt)size_to_read;
- else
- read_now = (uInt)len ;
-
- if (read_now==0)
- return 0;
-
- if (ZSEEK(pfile_in_zip_read_info->z_filefunc,
- pfile_in_zip_read_info->filestream,
- pfile_in_zip_read_info->offset_local_extrafield +
- pfile_in_zip_read_info->pos_local_extrafield,
- ZLIB_FILEFUNC_SEEK_SET)!=0)
- return UNZ_ERRNO;
-
- if (ZREAD(pfile_in_zip_read_info->z_filefunc,
- pfile_in_zip_read_info->filestream,
- buf,read_now)!=read_now)
- return UNZ_ERRNO;
-
- return (int)read_now;
-}
-
-/*
- Close the file in zip opened with unzipOpenCurrentFile
- Return UNZ_CRCERROR if all the file was read but the CRC is not good
-*/
-extern int ZEXPORT unzCloseCurrentFile (file)
- unzFile file;
-{
- int err=UNZ_OK;
-
- unz_s* s;
- file_in_zip_read_info_s* pfile_in_zip_read_info;
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
-
- if (pfile_in_zip_read_info==NULL)
- return UNZ_PARAMERROR;
-
-
- if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) &&
- (!pfile_in_zip_read_info->raw))
- {
- if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait)
- err=UNZ_CRCERROR;
- }
-
-
- TRYFREE(pfile_in_zip_read_info->read_buffer);
- pfile_in_zip_read_info->read_buffer = NULL;
- if (pfile_in_zip_read_info->stream_initialised)
- inflateEnd(&pfile_in_zip_read_info->stream);
-
- pfile_in_zip_read_info->stream_initialised = 0;
- TRYFREE(pfile_in_zip_read_info);
-
- s->pfile_in_zip_read=NULL;
-
- return err;
-}
-
-
-/*
- Get the global comment string of the ZipFile, in the szComment buffer.
- uSizeBuf is the size of the szComment buffer.
- return the number of byte copied or an error code <0
-*/
-extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)
- unzFile file;
- char *szComment;
- uLong uSizeBuf;
-{
- int err=UNZ_OK;
- unz_s* s;
- uLong uReadThis ;
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
-
- uReadThis = uSizeBuf;
- if (uReadThis>s->gi.size_comment)
- uReadThis = s->gi.size_comment;
-
- if (ZSEEK(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0)
- return UNZ_ERRNO;
-
- if (uReadThis>0)
- {
- *szComment='\0';
- if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis)
- return UNZ_ERRNO;
- }
-
- if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment))
- *(szComment+s->gi.size_comment)='\0';
- return (int)uReadThis;
-}
-
-/* Additions by RX '2004 */
-extern uLong ZEXPORT unzGetOffset (file)
- unzFile file;
-{
- unz_s* s;
-
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
- if (!s->current_file_ok)
- return 0;
- if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff)
- if (s->num_file==s->gi.number_entry)
- return 0;
- return s->pos_in_central_dir;
-}
-
-extern int ZEXPORT unzSetOffset (file, pos)
- unzFile file;
- uLong pos;
-{
- unz_s* s;
- int err;
-
- if (file==NULL)
- return UNZ_PARAMERROR;
- s=(unz_s*)file;
-
- s->pos_in_central_dir = pos;
- s->num_file = s->gi.number_entry; /* hack */
- err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
- &s->cur_file_info_internal,
- NULL,0,NULL,0,NULL,0);
- s->current_file_ok = (err == UNZ_OK);
- return err;
-}
+++ /dev/null
-/* unzip.h -- IO for uncompress .zip files using zlib
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-
- This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
- WinZip, InfoZip tools and compatible.
-
- Multi volume ZipFile (span) are not supported.
- Encryption compatible with pkzip 2.04g only supported
- Old compressions used by old PKZip 1.x are not supported
-
-
- I WAIT FEEDBACK at mail info@winimage.com
- Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
-
- Condition of use and distribution are the same than zlib :
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
-
-*/
-
-/* for more info about .ZIP format, see
- http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
- http://www.info-zip.org/pub/infozip/doc/
- PkWare has also a specification at :
- ftp://ftp.pkware.com/probdesc.zip
-*/
-
-#ifndef _unz_H
-#define _unz_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifndef _ZLIB_H
-#include "zlib.h"
-#endif
-
-#ifndef _ZLIBIOAPI_H
-#include "ioapi.h"
-#endif
-
-#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
-/* like the STRICT of WIN32, we define a pointer that cannot be converted
- from (void*) without cast */
-typedef struct TagunzFile__ { int unused; } unzFile__;
-typedef unzFile__ *unzFile;
-#else
-typedef voidp unzFile;
-#endif
-
-
-#define UNZ_OK (0)
-#define UNZ_END_OF_LIST_OF_FILE (-100)
-#define UNZ_ERRNO (Z_ERRNO)
-#define UNZ_EOF (0)
-#define UNZ_PARAMERROR (-102)
-#define UNZ_BADZIPFILE (-103)
-#define UNZ_INTERNALERROR (-104)
-#define UNZ_CRCERROR (-105)
-
-/* tm_unz contain date/time info */
-typedef struct tm_unz_s
-{
- uInt tm_sec; /* seconds after the minute - [0,59] */
- uInt tm_min; /* minutes after the hour - [0,59] */
- uInt tm_hour; /* hours since midnight - [0,23] */
- uInt tm_mday; /* day of the month - [1,31] */
- uInt tm_mon; /* months since January - [0,11] */
- uInt tm_year; /* years - [1980..2044] */
-} tm_unz;
-
-/* unz_global_info structure contain global data about the ZIPfile
- These data comes from the end of central dir */
-typedef struct unz_global_info_s
-{
- uLong number_entry; /* total number of entries in
- the central dir on this disk */
- uLong size_comment; /* size of the global comment of the zipfile */
-} unz_global_info;
-
-
-/* unz_file_info contain information about a file in the zipfile */
-typedef struct unz_file_info_s
-{
- uLong version; /* version made by 2 bytes */
- uLong version_needed; /* version needed to extract 2 bytes */
- uLong flag; /* general purpose bit flag 2 bytes */
- uLong compression_method; /* compression method 2 bytes */
- uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
- uLong crc; /* crc-32 4 bytes */
- uLong compressed_size; /* compressed size 4 bytes */
- uLong uncompressed_size; /* uncompressed size 4 bytes */
- uLong size_filename; /* filename length 2 bytes */
- uLong size_file_extra; /* extra field length 2 bytes */
- uLong size_file_comment; /* file comment length 2 bytes */
-
- uLong disk_num_start; /* disk number start 2 bytes */
- uLong internal_fa; /* internal file attributes 2 bytes */
- uLong external_fa; /* external file attributes 4 bytes */
-
- tm_unz tmu_date;
-} unz_file_info;
-
-extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
- const char* fileName2,
- int iCaseSensitivity));
-/*
- Compare two filename (fileName1,fileName2).
- If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
- If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
- or strcasecmp)
- If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
- (like 1 on Unix, 2 on Windows)
-*/
-
-
-extern unzFile ZEXPORT unzOpen OF((const char *path));
-/*
- Open a Zip file. path contain the full pathname (by example,
- on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
- "zlib/zlib113.zip".
- If the zipfile cannot be opened (file don't exist or in not valid), the
- return value is NULL.
- Else, the return value is a unzFile Handle, usable with other function
- of this unzip package.
-*/
-
-extern unzFile ZEXPORT unzOpen2 OF((const char *path,
- zlib_filefunc_def* pzlib_filefunc_def));
-/*
- Open a Zip file, like unzOpen, but provide a set of file low level API
- for read/write the zip file (see ioapi.h)
-*/
-
-extern int ZEXPORT unzClose OF((unzFile file));
-/*
- Close a ZipFile opened with unzipOpen.
- If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
- these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
- return UNZ_OK if there is no problem. */
-
-extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
- unz_global_info *pglobal_info));
-/*
- Write info about the ZipFile in the *pglobal_info structure.
- No preparation of the structure is needed
- return UNZ_OK if there is no problem. */
-
-
-extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
- char *szComment,
- uLong uSizeBuf));
-/*
- Get the global comment string of the ZipFile, in the szComment buffer.
- uSizeBuf is the size of the szComment buffer.
- return the number of byte copied or an error code <0
-*/
-
-
-/***************************************************************************/
-/* Unzip package allow you browse the directory of the zipfile */
-
-extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
-/*
- Set the current file of the zipfile to the first file.
- return UNZ_OK if there is no problem
-*/
-
-extern int ZEXPORT unzGoToNextFile OF((unzFile file));
-/*
- Set the current file of the zipfile to the next file.
- return UNZ_OK if there is no problem
- return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
-*/
-
-extern int ZEXPORT unzLocateFile OF((unzFile file,
- const char *szFileName,
- int iCaseSensitivity));
-/*
- Try locate the file szFileName in the zipfile.
- For the iCaseSensitivity signification, see unzStringFileNameCompare
-
- return value :
- UNZ_OK if the file is found. It becomes the current file.
- UNZ_END_OF_LIST_OF_FILE if the file is not found
-*/
-
-
-/* ****************************************** */
-/* Ryan supplied functions */
-/* unz_file_info contain information about a file in the zipfile */
-typedef struct unz_file_pos_s
-{
- uLong pos_in_zip_directory; /* offset in zip file directory */
- uLong num_of_file; /* # of file */
-} unz_file_pos;
-
-extern int ZEXPORT unzGetFilePos(
- unzFile file,
- unz_file_pos* file_pos);
-
-extern int ZEXPORT unzGoToFilePos(
- unzFile file,
- unz_file_pos* file_pos);
-
-/* ****************************************** */
-
-extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
- unz_file_info *pfile_info,
- char *szFileName,
- uLong fileNameBufferSize,
- void *extraField,
- uLong extraFieldBufferSize,
- char *szComment,
- uLong commentBufferSize));
-/*
- Get Info about the current file
- if pfile_info!=NULL, the *pfile_info structure will contain somes info about
- the current file
- if szFileName!=NULL, the filemane string will be copied in szFileName
- (fileNameBufferSize is the size of the buffer)
- if extraField!=NULL, the extra field information will be copied in extraField
- (extraFieldBufferSize is the size of the buffer).
- This is the Central-header version of the extra field
- if szComment!=NULL, the comment string of the file will be copied in szComment
- (commentBufferSize is the size of the buffer)
-*/
-
-/***************************************************************************/
-/* for reading the content of the current zipfile, you can open it, read data
- from it, and close it (you can close it before reading all the file)
- */
-
-extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
-/*
- Open for reading data the current file in the zipfile.
- If there is no error, the return value is UNZ_OK.
-*/
-
-extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,
- const char* password));
-/*
- Open for reading data the current file in the zipfile.
- password is a crypting password
- If there is no error, the return value is UNZ_OK.
-*/
-
-extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,
- int* method,
- int* level,
- int raw));
-/*
- Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
- if raw==1
- *method will receive method of compression, *level will receive level of
- compression
- note : you can set level parameter as NULL (if you did not want known level,
- but you CANNOT set method parameter as NULL
-*/
-
-extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
- int* method,
- int* level,
- int raw,
- const char* password));
-/*
- Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
- if raw==1
- *method will receive method of compression, *level will receive level of
- compression
- note : you can set level parameter as NULL (if you did not want known level,
- but you CANNOT set method parameter as NULL
-*/
-
-
-extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
-/*
- Close the file in zip opened with unzOpenCurrentFile
- Return UNZ_CRCERROR if all the file was read but the CRC is not good
-*/
-
-extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
- voidp buf,
- unsigned len));
-/*
- Read bytes from the current file (opened by unzOpenCurrentFile)
- buf contain buffer where data must be copied
- len the size of buf.
-
- return the number of byte copied if somes bytes are copied
- return 0 if the end of file was reached
- return <0 with error code if there is an error
- (UNZ_ERRNO for IO error, or zLib error for uncompress error)
-*/
-
-extern z_off_t ZEXPORT unztell OF((unzFile file));
-/*
- Give the current position in uncompressed data
-*/
-
-extern int ZEXPORT unzeof OF((unzFile file));
-/*
- return 1 if the end of file was reached, 0 elsewhere
-*/
-
-extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
- voidp buf,
- unsigned len));
-/*
- Read extra field from the current file (opened by unzOpenCurrentFile)
- This is the local-header version of the extra field (sometimes, there is
- more info in the local-header version than in the central-header)
-
- if buf==NULL, it return the size of the local extra field
-
- if buf!=NULL, len is the size of the buffer, the extra header is copied in
- buf.
- the return value is the number of bytes copied in buf, or (if <0)
- the error code
-*/
-
-/***************************************************************************/
-
-/* Get the current file offset */
-extern uLong ZEXPORT unzGetOffset (unzFile file);
-
-/* Set the current file offset */
-extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
-
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _unz_H */
+++ /dev/null
-/* zip.c -- IO on .zip files using zlib
- Version 1.01e, February 12th, 2005
-
- 27 Dec 2004 Rolf Kalbermatter
- Modification to zipOpen2 to support globalComment retrieval.
-
- Copyright (C) 1998-2005 Gilles Vollant
-
- Read zip.h for more info
-*/
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include "zlib.h"
-#include "zip.h"
-#include "zutil.h"
-
-#ifdef STDC
-# include <stddef.h>
-# include <string.h>
-# include <stdlib.h>
-#endif
-#ifdef NO_ERRNO_H
- extern int errno;
-#else
-# include <errno.h>
-#endif
-
-
-#ifndef local
-# define local static
-#endif
-/* compile with -Dlocal if your debugger can't find static symbols */
-
-#ifndef VERSIONMADEBY
-# define VERSIONMADEBY (0x0) /* platform depedent */
-#endif
-
-#ifndef Z_BUFSIZE
-#define Z_BUFSIZE (16384)
-#endif
-
-#ifndef Z_MAXFILENAMEINZIP
-#define Z_MAXFILENAMEINZIP (256)
-#endif
-
-#ifndef ALLOC
-# define ALLOC(size) (malloc(size))
-#endif
-#ifndef TRYFREE
-# define TRYFREE(p) {if (p) free(p);}
-#endif
-
-/*
-#define SIZECENTRALDIRITEM (0x2e)
-#define SIZEZIPLOCALHEADER (0x1e)
-*/
-
-/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
-
-#ifndef SEEK_CUR
-#define SEEK_CUR 1
-#endif
-
-#ifndef SEEK_END
-#define SEEK_END 2
-#endif
-
-#ifndef SEEK_SET
-#define SEEK_SET 0
-#endif
-
-#ifndef DEF_MEM_LEVEL
-#if MAX_MEM_LEVEL >= 8
-# define DEF_MEM_LEVEL 8
-#else
-# define DEF_MEM_LEVEL MAX_MEM_LEVEL
-#endif
-#endif
-const char zip_copyright[] =
- " zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";
-
-
-#define SIZEDATA_INDATABLOCK (4096-(4*4))
-
-#define LOCALHEADERMAGIC (0x04034b50)
-#define CENTRALHEADERMAGIC (0x02014b50)
-#define ENDHEADERMAGIC (0x06054b50)
-
-#define FLAG_LOCALHEADER_OFFSET (0x06)
-#define CRC_LOCALHEADER_OFFSET (0x0e)
-
-#define SIZECENTRALHEADER (0x2e) /* 46 */
-
-typedef struct linkedlist_datablock_internal_s
-{
- struct linkedlist_datablock_internal_s* next_datablock;
- uLong avail_in_this_block;
- uLong filled_in_this_block;
- uLong unused; /* for future use and alignement */
- unsigned char data[SIZEDATA_INDATABLOCK];
-} linkedlist_datablock_internal;
-
-typedef struct linkedlist_data_s
-{
- linkedlist_datablock_internal* first_block;
- linkedlist_datablock_internal* last_block;
-} linkedlist_data;
-
-
-typedef struct
-{
- z_stream stream; /* zLib stream structure for inflate */
- int stream_initialised; /* 1 is stream is initialised */
- uInt pos_in_buffered_data; /* last written byte in buffered_data */
-
- uLong pos_local_header; /* offset of the local header of the file
- currenty writing */
- char* central_header; /* central header data for the current file */
- uLong size_centralheader; /* size of the central header for cur file */
- uLong flag; /* flag of the file currently writing */
-
- int method; /* compression method of file currenty wr.*/
- int raw; /* 1 for directly writing raw data */
- Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/
- uLong dosDate;
- uLong crc32;
- int encrypt;
-#ifndef NOCRYPT
- unsigned long keys[3]; /* keys defining the pseudo-random sequence */
- const unsigned long* pcrc_32_tab;
- int crypt_header_size;
-#endif
-} curfile_info;
-
-typedef struct
-{
- zlib_filefunc_def z_filefunc;
- voidpf filestream; /* io structore of the zipfile */
- linkedlist_data central_dir;/* datablock with central dir in construction*/
- int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/
- curfile_info ci; /* info on the file curretly writing */
-
- uLong begin_pos; /* position of the beginning of the zipfile */
- uLong add_position_when_writting_offset;
- uLong number_entry;
-#ifndef NO_ADDFILEINEXISTINGZIP
- char *globalcomment;
-#endif
-} zip_internal;
-
-
-
-#ifndef NOCRYPT
-#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED
-#include "crypt.h"
-#endif
-
-local linkedlist_datablock_internal* allocate_new_datablock()
-{
- linkedlist_datablock_internal* ldi;
- ldi = (linkedlist_datablock_internal*)
- ALLOC(sizeof(linkedlist_datablock_internal));
- if (ldi!=NULL)
- {
- ldi->next_datablock = NULL ;
- ldi->filled_in_this_block = 0 ;
- ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ;
- }
- return ldi;
-}
-
-local void free_datablock(ldi)
- linkedlist_datablock_internal* ldi;
-{
- while (ldi!=NULL)
- {
- linkedlist_datablock_internal* ldinext = ldi->next_datablock;
- TRYFREE(ldi);
- ldi = ldinext;
- }
-}
-
-local void init_linkedlist(ll)
- linkedlist_data* ll;
-{
- ll->first_block = ll->last_block = NULL;
-}
-
-local void free_linkedlist(ll)
- linkedlist_data* ll;
-{
- free_datablock(ll->first_block);
- ll->first_block = ll->last_block = NULL;
-}
-
-
-local int add_data_in_datablock(ll,buf,len)
- linkedlist_data* ll;
- const void* buf;
- uLong len;
-{
- linkedlist_datablock_internal* ldi;
- const unsigned char* from_copy;
-
- if (ll==NULL)
- return ZIP_INTERNALERROR;
-
- if (ll->last_block == NULL)
- {
- ll->first_block = ll->last_block = allocate_new_datablock();
- if (ll->first_block == NULL)
- return ZIP_INTERNALERROR;
- }
-
- ldi = ll->last_block;
- from_copy = (unsigned char*)buf;
-
- while (len>0)
- {
- uInt copy_this;
- uInt i;
- unsigned char* to_copy;
-
- if (ldi->avail_in_this_block==0)
- {
- ldi->next_datablock = allocate_new_datablock();
- if (ldi->next_datablock == NULL)
- return ZIP_INTERNALERROR;
- ldi = ldi->next_datablock ;
- ll->last_block = ldi;
- }
-
- if (ldi->avail_in_this_block < len)
- copy_this = (uInt)ldi->avail_in_this_block;
- else
- copy_this = (uInt)len;
-
- to_copy = &(ldi->data[ldi->filled_in_this_block]);
-
- for (i=0;i<copy_this;i++)
- *(to_copy+i)=*(from_copy+i);
-
- ldi->filled_in_this_block += copy_this;
- ldi->avail_in_this_block -= copy_this;
- from_copy += copy_this ;
- len -= copy_this;
- }
- return ZIP_OK;
-}
-
-
-
-/****************************************************************************/
-
-#ifndef NO_ADDFILEINEXISTINGZIP
-/* ===========================================================================
- Inputs a long in LSB order to the given file
- nbByte == 1, 2 or 4 (byte, short or long)
-*/
-
-local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream, uLong x, int nbByte));
-local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
- uLong x;
- int nbByte;
-{
- unsigned char buf[4];
- int n;
- for (n = 0; n < nbByte; n++)
- {
- buf[n] = (unsigned char)(x & 0xff);
- x >>= 8;
- }
- if (x != 0)
- { /* data overflow - hack for ZIP64 (X Roche) */
- for (n = 0; n < nbByte; n++)
- {
- buf[n] = 0xff;
- }
- }
-
- if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte)
- return ZIP_ERRNO;
- else
- return ZIP_OK;
-}
-
-local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte));
-local void ziplocal_putValue_inmemory (dest, x, nbByte)
- void* dest;
- uLong x;
- int nbByte;
-{
- unsigned char* buf=(unsigned char*)dest;
- int n;
- for (n = 0; n < nbByte; n++) {
- buf[n] = (unsigned char)(x & 0xff);
- x >>= 8;
- }
-
- if (x != 0)
- { /* data overflow - hack for ZIP64 */
- for (n = 0; n < nbByte; n++)
- {
- buf[n] = 0xff;
- }
- }
-}
-
-/****************************************************************************/
-
-
-local uLong ziplocal_TmzDateToDosDate(ptm,dosDate)
- const tm_zip* ptm;
- uLong dosDate;
-{
- uLong year = (uLong)ptm->tm_year;
- if (year>1980)
- year-=1980;
- else if (year>80)
- year-=80;
- return
- (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) |
- ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));
-}
-
-
-/****************************************************************************/
-
-local int ziplocal_getByte OF((
- const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream,
- int *pi));
-
-local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
- int *pi;
-{
- unsigned char c;
- int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);
- if (err==1)
- {
- *pi = (int)c;
- return ZIP_OK;
- }
- else
- {
- if (ZERROR(*pzlib_filefunc_def,filestream))
- return ZIP_ERRNO;
- else
- return ZIP_EOF;
- }
-}
-
-
-/* ===========================================================================
- Reads a long in LSB order from the given gz_stream. Sets
-*/
-local int ziplocal_getShort OF((
- const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream,
- uLong *pX));
-
-local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
- uLong *pX;
-{
- uLong x ;
- int i;
- int err;
-
- err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
- x = (uLong)i;
-
- if (err==ZIP_OK)
- err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
- x += ((uLong)i)<<8;
-
- if (err==ZIP_OK)
- *pX = x;
- else
- *pX = 0;
- return err;
-}
-
-local int ziplocal_getLong OF((
- const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream,
- uLong *pX));
-
-local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
- uLong *pX;
-{
- uLong x ;
- int i;
- int err;
-
- err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
- x = (uLong)i;
-
- if (err==ZIP_OK)
- err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
- x += ((uLong)i)<<8;
-
- if (err==ZIP_OK)
- err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
- x += ((uLong)i)<<16;
-
- if (err==ZIP_OK)
- err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
- x += ((uLong)i)<<24;
-
- if (err==ZIP_OK)
- *pX = x;
- else
- *pX = 0;
- return err;
-}
-
-#ifndef BUFREADCOMMENT
-#define BUFREADCOMMENT (0x400)
-#endif
-/*
- Locate the Central directory of a zipfile (at the end, just before
- the global comment)
-*/
-local uLong ziplocal_SearchCentralDir OF((
- const zlib_filefunc_def* pzlib_filefunc_def,
- voidpf filestream));
-
-local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream)
- const zlib_filefunc_def* pzlib_filefunc_def;
- voidpf filestream;
-{
- unsigned char* buf;
- uLong uSizeFile;
- uLong uBackRead;
- uLong uMaxBack=0xffff; /* maximum size of global comment */
- uLong uPosFound=0;
-
- if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)
- return 0;
-
-
- uSizeFile = ZTELL(*pzlib_filefunc_def,filestream);
-
- if (uMaxBack>uSizeFile)
- uMaxBack = uSizeFile;
-
- buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
- if (buf==NULL)
- return 0;
-
- uBackRead = 4;
- while (uBackRead<uMaxBack)
- {
- uLong uReadSize,uReadPos ;
- int i;
- if (uBackRead+BUFREADCOMMENT>uMaxBack)
- uBackRead = uMaxBack;
- else
- uBackRead+=BUFREADCOMMENT;
- uReadPos = uSizeFile-uBackRead ;
-
- uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
- (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
- if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)
- break;
-
- if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)
- break;
-
- for (i=(int)uReadSize-3; (i--)>0;)
- if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
- ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
- {
- uPosFound = uReadPos+i;
- break;
- }
-
- if (uPosFound!=0)
- break;
- }
- TRYFREE(buf);
- return uPosFound;
-}
-#endif /* !NO_ADDFILEINEXISTINGZIP*/
-
-/************************************************************/
-extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def)
- const char *pathname;
- int append;
- zipcharpc* globalcomment;
- zlib_filefunc_def* pzlib_filefunc_def;
-{
- zip_internal ziinit;
- zip_internal* zi;
- int err=ZIP_OK;
-
-
- if (pzlib_filefunc_def==NULL)
- fill_fopen_filefunc(&ziinit.z_filefunc);
- else
- ziinit.z_filefunc = *pzlib_filefunc_def;
-
- ziinit.filestream = (*(ziinit.z_filefunc.zopen_file))
- (ziinit.z_filefunc.opaque,
- pathname,
- (append == APPEND_STATUS_CREATE) ?
- (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) :
- (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING));
-
- if (ziinit.filestream == NULL)
- return NULL;
- ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream);
- ziinit.in_opened_file_inzip = 0;
- ziinit.ci.stream_initialised = 0;
- ziinit.number_entry = 0;
- ziinit.add_position_when_writting_offset = 0;
- init_linkedlist(&(ziinit.central_dir));
-
-
- zi = (zip_internal*)ALLOC(sizeof(zip_internal));
- if (zi==NULL)
- {
- ZCLOSE(ziinit.z_filefunc,ziinit.filestream);
- return NULL;
- }
-
- /* now we add file in a zipfile */
-# ifndef NO_ADDFILEINEXISTINGZIP
- ziinit.globalcomment = NULL;
- if (append == APPEND_STATUS_ADDINZIP)
- {
- uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
-
- uLong size_central_dir; /* size of the central directory */
- uLong offset_central_dir; /* offset of start of central directory */
- uLong central_pos,uL;
-
- uLong number_disk; /* number of the current dist, used for
- spaning ZIP, unsupported, always 0*/
- uLong number_disk_with_CD; /* number the the disk with central dir, used
- for spaning ZIP, unsupported, always 0*/
- uLong number_entry;
- uLong number_entry_CD; /* total number of entries in
- the central dir
- (same than number_entry on nospan) */
- uLong size_comment;
-
- central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream);
- if (central_pos==0)
- err=ZIP_ERRNO;
-
- if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
- central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)
- err=ZIP_ERRNO;
-
- /* the signature, already checked */
- if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK)
- err=ZIP_ERRNO;
-
- /* number of this disk */
- if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK)
- err=ZIP_ERRNO;
-
- /* number of the disk with the start of the central directory */
- if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK)
- err=ZIP_ERRNO;
-
- /* total number of entries in the central dir on this disk */
- if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK)
- err=ZIP_ERRNO;
-
- /* total number of entries in the central dir */
- if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK)
- err=ZIP_ERRNO;
-
- if ((number_entry_CD!=number_entry) ||
- (number_disk_with_CD!=0) ||
- (number_disk!=0))
- err=ZIP_BADZIPFILE;
-
- /* size of the central directory */
- if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK)
- err=ZIP_ERRNO;
-
- /* offset of start of central directory with respect to the
- starting disk number */
- if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK)
- err=ZIP_ERRNO;
-
- /* zipfile global comment length */
- if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK)
- err=ZIP_ERRNO;
-
- if ((central_pos<offset_central_dir+size_central_dir) &&
- (err==ZIP_OK))
- err=ZIP_BADZIPFILE;
-
- if (err!=ZIP_OK)
- {
- ZCLOSE(ziinit.z_filefunc, ziinit.filestream);
- return NULL;
- }
-
- if (size_comment>0)
- {
- ziinit.globalcomment = ALLOC(size_comment+1);
- if (ziinit.globalcomment)
- {
- size_comment = ZREAD(ziinit.z_filefunc, ziinit.filestream,ziinit.globalcomment,size_comment);
- ziinit.globalcomment[size_comment]=0;
- }
- }
-
- byte_before_the_zipfile = central_pos -
- (offset_central_dir+size_central_dir);
- ziinit.add_position_when_writting_offset = byte_before_the_zipfile;
-
- {
- uLong size_central_dir_to_read = size_central_dir;
- size_t buf_size = SIZEDATA_INDATABLOCK;
- void* buf_read = (void*)ALLOC(buf_size);
- if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
- offset_central_dir + byte_before_the_zipfile,
- ZLIB_FILEFUNC_SEEK_SET) != 0)
- err=ZIP_ERRNO;
-
- while ((size_central_dir_to_read>0) && (err==ZIP_OK))
- {
- uLong read_this = SIZEDATA_INDATABLOCK;
- if (read_this > size_central_dir_to_read)
- read_this = size_central_dir_to_read;
- if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this)
- err=ZIP_ERRNO;
-
- if (err==ZIP_OK)
- err = add_data_in_datablock(&ziinit.central_dir,buf_read,
- (uLong)read_this);
- size_central_dir_to_read-=read_this;
- }
- TRYFREE(buf_read);
- }
- ziinit.begin_pos = byte_before_the_zipfile;
- ziinit.number_entry = number_entry_CD;
-
- if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
- offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0)
- err=ZIP_ERRNO;
- }
-
- if (globalcomment)
- {
- *globalcomment = ziinit.globalcomment;
- }
-# endif /* !NO_ADDFILEINEXISTINGZIP*/
-
- if (err != ZIP_OK)
- {
-# ifndef NO_ADDFILEINEXISTINGZIP
- TRYFREE(ziinit.globalcomment);
-# endif /* !NO_ADDFILEINEXISTINGZIP*/
- TRYFREE(zi);
- return NULL;
- }
- else
- {
- *zi = ziinit;
- return (zipFile)zi;
- }
-}
-
-extern zipFile ZEXPORT zipOpen (pathname, append)
- const char *pathname;
- int append;
-{
- return zipOpen2(pathname,append,NULL,NULL);
-}
-
-extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi,
- extrafield_local, size_extrafield_local,
- extrafield_global, size_extrafield_global,
- comment, method, level, raw,
- windowBits, memLevel, strategy,
- password, crcForCrypting)
- zipFile file;
- const char* filename;
- const zip_fileinfo* zipfi;
- const void* extrafield_local;
- uInt size_extrafield_local;
- const void* extrafield_global;
- uInt size_extrafield_global;
- const char* comment;
- int method;
- int level;
- int raw;
- int windowBits;
- int memLevel;
- int strategy;
- const char* password;
- uLong crcForCrypting;
-{
- zip_internal* zi;
- uInt size_filename;
- uInt size_comment;
- uInt i;
- int err = ZIP_OK;
-
-# ifdef NOCRYPT
- if (password != NULL)
- return ZIP_PARAMERROR;
-# endif
-
- if (file == NULL)
- return ZIP_PARAMERROR;
- if ((method!=0) && (method!=Z_DEFLATED))
- return ZIP_PARAMERROR;
-
- zi = (zip_internal*)file;
-
- if (zi->in_opened_file_inzip == 1)
- {
- err = zipCloseFileInZip (file);
- if (err != ZIP_OK)
- return err;
- }
-
-
- if (filename==NULL)
- filename="-";
-
- if (comment==NULL)
- size_comment = 0;
- else
- size_comment = (uInt)strlen(comment);
-
- size_filename = (uInt)strlen(filename);
-
- if (zipfi == NULL)
- zi->ci.dosDate = 0;
- else
- {
- if (zipfi->dosDate != 0)
- zi->ci.dosDate = zipfi->dosDate;
- else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate);
- }
-
- zi->ci.flag = 0;
- if ((level==8) || (level==9))
- zi->ci.flag |= 2;
- if ((level==2))
- zi->ci.flag |= 4;
- if ((level==1))
- zi->ci.flag |= 6;
- if (password != NULL)
- zi->ci.flag |= 1;
-
- zi->ci.crc32 = 0;
- zi->ci.method = method;
- zi->ci.encrypt = 0;
- zi->ci.stream_initialised = 0;
- zi->ci.pos_in_buffered_data = 0;
- zi->ci.raw = raw;
- zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ;
- zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename +
- size_extrafield_global + size_comment;
- zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader);
-
- ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4);
- /* version info */
- ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2);
- ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2);
- ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2);
- ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2);
- ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4);
- ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/
- ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/
- ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/
- ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2);
- ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2);
- ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2);
- ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/
-
- if (zipfi==NULL)
- ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2);
- else
- ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2);
-
- if (zipfi==NULL)
- ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4);
- else
- ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4);
-
- ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4);
-
- for (i=0;i<size_filename;i++)
- *(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i);
-
- for (i=0;i<size_extrafield_global;i++)
- *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) =
- *(((const char*)extrafield_global)+i);
-
- for (i=0;i<size_comment;i++)
- *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+
- size_extrafield_global+i) = *(comment+i);
- if (zi->ci.central_header == NULL)
- return ZIP_INTERNALERROR;
-
- /* write the local header */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4);
-
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2);
-
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2);
-
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4);
-
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */
-
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2);
-
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2);
-
- if ((err==ZIP_OK) && (size_filename>0))
- if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename)
- err = ZIP_ERRNO;
-
- if ((err==ZIP_OK) && (size_extrafield_local>0))
- if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local)
- !=size_extrafield_local)
- err = ZIP_ERRNO;
-
- zi->ci.stream.avail_in = (uInt)0;
- zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
- zi->ci.stream.next_out = zi->ci.buffered_data;
- zi->ci.stream.total_in = 0;
- zi->ci.stream.total_out = 0;
-
- if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
- {
- zi->ci.stream.zalloc = (alloc_func)0;
- zi->ci.stream.zfree = (free_func)0;
- zi->ci.stream.opaque = (voidpf)0;
-
- if (windowBits>0)
- windowBits = -windowBits;
-
- err = deflateInit2(&zi->ci.stream, level,
- Z_DEFLATED, windowBits, memLevel, strategy);
-
- if (err==Z_OK)
- zi->ci.stream_initialised = 1;
- }
-# ifndef NOCRYPT
- zi->ci.crypt_header_size = 0;
- if ((err==Z_OK) && (password != NULL))
- {
- unsigned char bufHead[RAND_HEAD_LEN];
- unsigned int sizeHead;
- zi->ci.encrypt = 1;
- zi->ci.pcrc_32_tab = get_crc_table();
- /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/
-
- sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting);
- zi->ci.crypt_header_size = sizeHead;
-
- if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead)
- err = ZIP_ERRNO;
- }
-# endif
-
- if (err==Z_OK)
- zi->in_opened_file_inzip = 1;
- return err;
-}
-
-extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi,
- extrafield_local, size_extrafield_local,
- extrafield_global, size_extrafield_global,
- comment, method, level, raw)
- zipFile file;
- const char* filename;
- const zip_fileinfo* zipfi;
- const void* extrafield_local;
- uInt size_extrafield_local;
- const void* extrafield_global;
- uInt size_extrafield_global;
- const char* comment;
- int method;
- int level;
- int raw;
-{
- return zipOpenNewFileInZip3 (file, filename, zipfi,
- extrafield_local, size_extrafield_local,
- extrafield_global, size_extrafield_global,
- comment, method, level, raw,
- -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
- NULL, 0);
-}
-
-extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi,
- extrafield_local, size_extrafield_local,
- extrafield_global, size_extrafield_global,
- comment, method, level)
- zipFile file;
- const char* filename;
- const zip_fileinfo* zipfi;
- const void* extrafield_local;
- uInt size_extrafield_local;
- const void* extrafield_global;
- uInt size_extrafield_global;
- const char* comment;
- int method;
- int level;
-{
- return zipOpenNewFileInZip2 (file, filename, zipfi,
- extrafield_local, size_extrafield_local,
- extrafield_global, size_extrafield_global,
- comment, method, level, 0);
-}
-
-local int zipFlushWriteBuffer(zi)
- zip_internal* zi;
-{
- int err=ZIP_OK;
-
- if (zi->ci.encrypt != 0)
- {
-#ifndef NOCRYPT
- uInt i;
- int t;
- for (i=0;i<zi->ci.pos_in_buffered_data;i++)
- zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab,
- zi->ci.buffered_data[i],t);
-#endif
- }
- if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data)
- !=zi->ci.pos_in_buffered_data)
- err = ZIP_ERRNO;
- zi->ci.pos_in_buffered_data = 0;
- return err;
-}
-
-extern int ZEXPORT zipWriteInFileInZip (file, buf, len)
- zipFile file;
- const void* buf;
- unsigned len;
-{
- zip_internal* zi;
- int err=ZIP_OK;
-
- if (file == NULL)
- return ZIP_PARAMERROR;
- zi = (zip_internal*)file;
-
- if (zi->in_opened_file_inzip == 0)
- return ZIP_PARAMERROR;
-
- zi->ci.stream.next_in = (void*)buf;
- zi->ci.stream.avail_in = len;
- zi->ci.crc32 = crc32(zi->ci.crc32,buf,len);
-
- while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0))
- {
- if (zi->ci.stream.avail_out == 0)
- {
- if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
- err = ZIP_ERRNO;
- zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
- zi->ci.stream.next_out = zi->ci.buffered_data;
- }
-
-
- if(err != ZIP_OK)
- break;
-
- if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
- {
- uLong uTotalOutBefore = zi->ci.stream.total_out;
- err=deflate(&zi->ci.stream, Z_NO_FLUSH);
- zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
-
- }
- else
- {
- uInt copy_this,i;
- if (zi->ci.stream.avail_in < zi->ci.stream.avail_out)
- copy_this = zi->ci.stream.avail_in;
- else
- copy_this = zi->ci.stream.avail_out;
- for (i=0;i<copy_this;i++)
- *(((char*)zi->ci.stream.next_out)+i) =
- *(((const char*)zi->ci.stream.next_in)+i);
- {
- zi->ci.stream.avail_in -= copy_this;
- zi->ci.stream.avail_out-= copy_this;
- zi->ci.stream.next_in+= copy_this;
- zi->ci.stream.next_out+= copy_this;
- zi->ci.stream.total_in+= copy_this;
- zi->ci.stream.total_out+= copy_this;
- zi->ci.pos_in_buffered_data += copy_this;
- }
- }
- }
-
- return err;
-}
-
-extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32)
- zipFile file;
- uLong uncompressed_size;
- uLong crc32;
-{
- zip_internal* zi;
- uLong compressed_size;
- int err=ZIP_OK;
-
- if (file == NULL)
- return ZIP_PARAMERROR;
- zi = (zip_internal*)file;
-
- if (zi->in_opened_file_inzip == 0)
- return ZIP_PARAMERROR;
- zi->ci.stream.avail_in = 0;
-
- if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
- while (err==ZIP_OK)
- {
- uLong uTotalOutBefore;
- if (zi->ci.stream.avail_out == 0)
- {
- if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
- err = ZIP_ERRNO;
- zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
- zi->ci.stream.next_out = zi->ci.buffered_data;
- }
- uTotalOutBefore = zi->ci.stream.total_out;
- err=deflate(&zi->ci.stream, Z_FINISH);
- zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
- }
-
- if (err==Z_STREAM_END)
- err=ZIP_OK; /* this is normal */
-
- if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))
- if (zipFlushWriteBuffer(zi)==ZIP_ERRNO)
- err = ZIP_ERRNO;
-
- if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
- {
- err=deflateEnd(&zi->ci.stream);
- zi->ci.stream_initialised = 0;
- }
-
- if (!zi->ci.raw)
- {
- crc32 = (uLong)zi->ci.crc32;
- uncompressed_size = (uLong)zi->ci.stream.total_in;
- }
- compressed_size = (uLong)zi->ci.stream.total_out;
-# ifndef NOCRYPT
- compressed_size += zi->ci.crypt_header_size;
-# endif
-
- ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/
- ziplocal_putValue_inmemory(zi->ci.central_header+20,
- compressed_size,4); /*compr size*/
- if (zi->ci.stream.data_type == Z_ASCII)
- ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2);
- ziplocal_putValue_inmemory(zi->ci.central_header+24,
- uncompressed_size,4); /*uncompr size*/
-
- if (err==ZIP_OK)
- err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header,
- (uLong)zi->ci.size_centralheader);
- free(zi->ci.central_header);
-
- if (err==ZIP_OK)
- {
- long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
- if (ZSEEK(zi->z_filefunc,zi->filestream,
- zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0)
- err = ZIP_ERRNO;
-
- if (err==ZIP_OK)
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */
-
- if (err==ZIP_OK) /* compressed size, unknown */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4);
-
- if (err==ZIP_OK) /* uncompressed size, unknown */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4);
-
- if (ZSEEK(zi->z_filefunc,zi->filestream,
- cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0)
- err = ZIP_ERRNO;
- }
-
- zi->number_entry ++;
- zi->in_opened_file_inzip = 0;
-
- return err;
-}
-
-extern int ZEXPORT zipCloseFileInZip (file)
- zipFile file;
-{
- return zipCloseFileInZipRaw (file,0,0);
-}
-
-extern int ZEXPORT zipClose (file, global_comment)
- zipFile file;
- const char* global_comment;
-{
- zip_internal* zi;
- int err = 0;
- uLong size_centraldir = 0;
- uLong centraldir_pos_inzip;
- uInt size_global_comment;
- if (file == NULL)
- return ZIP_PARAMERROR;
- zi = (zip_internal*)file;
-
- if (zi->in_opened_file_inzip == 1)
- {
- err = zipCloseFileInZip (file);
- }
-
-#ifndef NO_ADDFILEINEXISTINGZIP
- if (global_comment==NULL)
- global_comment = zi->globalcomment;
-#endif
- if (global_comment==NULL)
- size_global_comment = 0;
- else
- size_global_comment = (uInt)strlen(global_comment);
-
- centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
- if (err==ZIP_OK)
- {
- linkedlist_datablock_internal* ldi = zi->central_dir.first_block ;
- while (ldi!=NULL)
- {
- if ((err==ZIP_OK) && (ldi->filled_in_this_block>0))
- if (ZWRITE(zi->z_filefunc,zi->filestream,
- ldi->data,ldi->filled_in_this_block)
- !=ldi->filled_in_this_block )
- err = ZIP_ERRNO;
-
- size_centraldir += ldi->filled_in_this_block;
- ldi = ldi->next_datablock;
- }
- }
- free_datablock(zi->central_dir.first_block);
-
- if (err==ZIP_OK) /* Magic End */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4);
-
- if (err==ZIP_OK) /* number of this disk */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2);
-
- if (err==ZIP_OK) /* number of the disk with the start of the central directory */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2);
-
- if (err==ZIP_OK) /* total number of entries in the central dir on this disk */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);
-
- if (err==ZIP_OK) /* total number of entries in the central dir */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);
-
- if (err==ZIP_OK) /* size of the central directory */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4);
-
- if (err==ZIP_OK) /* offset of start of central directory with respect to the
- starting disk number */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,
- (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);
-
- if (err==ZIP_OK) /* zipfile comment length */
- err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2);
-
- if ((err==ZIP_OK) && (size_global_comment>0))
- if (ZWRITE(zi->z_filefunc,zi->filestream,
- global_comment,size_global_comment) != size_global_comment)
- err = ZIP_ERRNO;
-
- if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0)
- if (err == ZIP_OK)
- err = ZIP_ERRNO;
-
-#ifndef NO_ADDFILEINEXISTINGZIP
- TRYFREE(zi->globalcomment);
-#endif
- TRYFREE(zi);
-
- return err;
-}
+++ /dev/null
-/* zip.h -- IO for compress .zip files using zlib
- Version 1.01e, February 12th, 2005
-
- Copyright (C) 1998-2005 Gilles Vollant
-
- This unzip package allow creates .ZIP file, compatible with PKZip 2.04g
- WinZip, InfoZip tools and compatible.
- Multi volume ZipFile (span) are not supported.
- Encryption compatible with pkzip 2.04g only supported
- Old compressions used by old PKZip 1.x are not supported
-
- For uncompress .zip file, look at unzip.h
-
-
- I WAIT FEEDBACK at mail info@winimage.com
- Visit also http://www.winimage.com/zLibDll/unzip.html for evolution
-
- Condition of use and distribution are the same than zlib :
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
-
-*/
-
-/* for more info about .ZIP format, see
- http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
- http://www.info-zip.org/pub/infozip/doc/
- PkWare has also a specification at :
- ftp://ftp.pkware.com/probdesc.zip
-*/
-
-#ifndef _zip_H
-#define _zip_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifndef _ZLIB_H
-#include "zlib.h"
-#endif
-
-#ifndef _ZLIBIOAPI_H
-#include "ioapi.h"
-#endif
-
-#if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
-/* like the STRICT of WIN32, we define a pointer that cannot be converted
- from (void*) without cast */
-typedef struct TagzipFile__ { int unused; } zipFile__;
-typedef zipFile__ *zipFile;
-#else
-typedef voidp zipFile;
-#endif
-
-#define ZIP_OK (0)
-#define ZIP_EOF (0)
-#define ZIP_ERRNO (Z_ERRNO)
-#define ZIP_PARAMERROR (-102)
-#define ZIP_BADZIPFILE (-103)
-#define ZIP_INTERNALERROR (-104)
-
-#ifndef DEF_MEM_LEVEL
-# if MAX_MEM_LEVEL >= 8
-# define DEF_MEM_LEVEL 8
-# else
-# define DEF_MEM_LEVEL MAX_MEM_LEVEL
-# endif
-#endif
-/* default memLevel */
-
-/* tm_zip contain date/time info */
-typedef struct tm_zip_s
-{
- uInt tm_sec; /* seconds after the minute - [0,59] */
- uInt tm_min; /* minutes after the hour - [0,59] */
- uInt tm_hour; /* hours since midnight - [0,23] */
- uInt tm_mday; /* day of the month - [1,31] */
- uInt tm_mon; /* months since January - [0,11] */
- uInt tm_year; /* years - [1980..2044] */
-} tm_zip;
-
-typedef struct
-{
- tm_zip tmz_date; /* date in understandable format */
- uLong dosDate; /* if dos_date == 0, tmu_date is used */
-/* uLong flag; */ /* general purpose bit flag 2 bytes */
-
- uLong internal_fa; /* internal file attributes 2 bytes */
- uLong external_fa; /* external file attributes 4 bytes */
-} zip_fileinfo;
-
-typedef const char* zipcharpc;
-
-
-#define APPEND_STATUS_CREATE (0)
-#define APPEND_STATUS_CREATEAFTER (1)
-#define APPEND_STATUS_ADDINZIP (2)
-
-extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append));
-/*
- Create a zipfile.
- pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on
- an Unix computer "zlib/zlib113.zip".
- if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip
- will be created at the end of the file.
- (useful if the file contain a self extractor code)
- if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will
- add files in existing zip (be sure you don't add file that doesn't exist)
- If the zipfile cannot be opened, the return value is NULL.
- Else, the return value is a zipFile Handle, usable with other function
- of this zip package.
-*/
-
-/* Note : there is no delete function into a zipfile.
- If you want delete file into a zipfile, you must open a zipfile, and create another
- Of couse, you can use RAW reading and writing to copy the file you did not want delte
-*/
-
-extern zipFile ZEXPORT zipOpen2 OF((const char *pathname,
- int append,
- zipcharpc* globalcomment,
- zlib_filefunc_def* pzlib_filefunc_def));
-
-extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file,
- const char* filename,
- const zip_fileinfo* zipfi,
- const void* extrafield_local,
- uInt size_extrafield_local,
- const void* extrafield_global,
- uInt size_extrafield_global,
- const char* comment,
- int method,
- int level));
-/*
- Open a file in the ZIP for writing.
- filename : the filename in zip (if NULL, '-' without quote will be used
- *zipfi contain supplemental information
- if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local
- contains the extrafield data the the local header
- if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global
- contains the extrafield data the the local header
- if comment != NULL, comment contain the comment string
- method contain the compression method (0 for store, Z_DEFLATED for deflate)
- level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
-*/
-
-
-extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file,
- const char* filename,
- const zip_fileinfo* zipfi,
- const void* extrafield_local,
- uInt size_extrafield_local,
- const void* extrafield_global,
- uInt size_extrafield_global,
- const char* comment,
- int method,
- int level,
- int raw));
-
-/*
- Same than zipOpenNewFileInZip, except if raw=1, we write raw file
- */
-
-extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file,
- const char* filename,
- const zip_fileinfo* zipfi,
- const void* extrafield_local,
- uInt size_extrafield_local,
- const void* extrafield_global,
- uInt size_extrafield_global,
- const char* comment,
- int method,
- int level,
- int raw,
- int windowBits,
- int memLevel,
- int strategy,
- const char* password,
- uLong crcForCtypting));
-
-/*
- Same than zipOpenNewFileInZip2, except
- windowBits,memLevel,,strategy : see parameter strategy in deflateInit2
- password : crypting password (NULL for no crypting)
- crcForCtypting : crc of file to compress (needed for crypting)
- */
-
-
-extern int ZEXPORT zipWriteInFileInZip OF((zipFile file,
- const void* buf,
- unsigned len));
-/*
- Write data in the zipfile
-*/
-
-extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
-/*
- Close the current file in the zipfile
-*/
-
-extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file,
- uLong uncompressed_size,
- uLong crc32));
-/*
- Close the current file in the zipfile, for fiel opened with
- parameter raw=1 in zipOpenNewFileInZip2
- uncompressed_size and crc32 are value for the uncompressed size
-*/
-
-extern int ZEXPORT zipClose OF((zipFile file,
- const char* global_comment));
-/*
- Close the zipfile
-*/
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _zip_H */
+++ /dev/null
-(* example.c -- usage example of the zlib compression library
- * Copyright (C) 1995-2003 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- *
- * Pascal translation
- * Copyright (C) 1998 by Jacques Nomssi Nzali.
- * For conditions of distribution and use, see copyright notice in readme.txt
- *
- * Adaptation to the zlibpas interface
- * Copyright (C) 2003 by Cosmin Truta.
- * For conditions of distribution and use, see copyright notice in readme.txt
- *)
-
-program example;
-
-{$DEFINE TEST_COMPRESS}
-{DO NOT $DEFINE TEST_GZIO}
-{$DEFINE TEST_DEFLATE}
-{$DEFINE TEST_INFLATE}
-{$DEFINE TEST_FLUSH}
-{$DEFINE TEST_SYNC}
-{$DEFINE TEST_DICT}
-
-uses SysUtils, zlibpas;
-
-const TESTFILE = 'foo.gz';
-
-(* "hello world" would be more standard, but the repeated "hello"
- * stresses the compression code better, sorry...
- *)
-const hello: PChar = 'hello, hello!';
-
-const dictionary: PChar = 'hello';
-
-var dictId: LongInt; (* Adler32 value of the dictionary *)
-
-procedure CHECK_ERR(err: Integer; msg: String);
-begin
- if err <> Z_OK then
- begin
- WriteLn(msg, ' error: ', err);
- Halt(1);
- end;
-end;
-
-procedure EXIT_ERR(const msg: String);
-begin
- WriteLn('Error: ', msg);
- Halt(1);
-end;
-
-(* ===========================================================================
- * Test compress and uncompress
- *)
-{$IFDEF TEST_COMPRESS}
-procedure test_compress(compr: Pointer; comprLen: LongInt;
- uncompr: Pointer; uncomprLen: LongInt);
-var err: Integer;
- len: LongInt;
-begin
- len := StrLen(hello)+1;
-
- err := compress(compr, comprLen, hello, len);
- CHECK_ERR(err, 'compress');
-
- StrCopy(PChar(uncompr), 'garbage');
-
- err := uncompress(uncompr, uncomprLen, compr, comprLen);
- CHECK_ERR(err, 'uncompress');
-
- if StrComp(PChar(uncompr), hello) <> 0 then
- EXIT_ERR('bad uncompress')
- else
- WriteLn('uncompress(): ', PChar(uncompr));
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test read/write of .gz files
- *)
-{$IFDEF TEST_GZIO}
-procedure test_gzio(const fname: PChar; (* compressed file name *)
- uncompr: Pointer;
- uncomprLen: LongInt);
-var err: Integer;
- len: Integer;
- zfile: gzFile;
- pos: LongInt;
-begin
- len := StrLen(hello)+1;
-
- zfile := gzopen(fname, 'wb');
- if zfile = NIL then
- begin
- WriteLn('gzopen error');
- Halt(1);
- end;
- gzputc(zfile, 'h');
- if gzputs(zfile, 'ello') <> 4 then
- begin
- WriteLn('gzputs err: ', gzerror(zfile, err));
- Halt(1);
- end;
- {$IFDEF GZ_FORMAT_STRING}
- if gzprintf(zfile, ', %s!', 'hello') <> 8 then
- begin
- WriteLn('gzprintf err: ', gzerror(zfile, err));
- Halt(1);
- end;
- {$ELSE}
- if gzputs(zfile, ', hello!') <> 8 then
- begin
- WriteLn('gzputs err: ', gzerror(zfile, err));
- Halt(1);
- end;
- {$ENDIF}
- gzseek(zfile, 1, SEEK_CUR); (* add one zero byte *)
- gzclose(zfile);
-
- zfile := gzopen(fname, 'rb');
- if zfile = NIL then
- begin
- WriteLn('gzopen error');
- Halt(1);
- end;
-
- StrCopy(PChar(uncompr), 'garbage');
-
- if gzread(zfile, uncompr, uncomprLen) <> len then
- begin
- WriteLn('gzread err: ', gzerror(zfile, err));
- Halt(1);
- end;
- if StrComp(PChar(uncompr), hello) <> 0 then
- begin
- WriteLn('bad gzread: ', PChar(uncompr));
- Halt(1);
- end
- else
- WriteLn('gzread(): ', PChar(uncompr));
-
- pos := gzseek(zfile, -8, SEEK_CUR);
- if (pos <> 6) or (gztell(zfile) <> pos) then
- begin
- WriteLn('gzseek error, pos=', pos, ', gztell=', gztell(zfile));
- Halt(1);
- end;
-
- if gzgetc(zfile) <> ' ' then
- begin
- WriteLn('gzgetc error');
- Halt(1);
- end;
-
- if gzungetc(' ', zfile) <> ' ' then
- begin
- WriteLn('gzungetc error');
- Halt(1);
- end;
-
- gzgets(zfile, PChar(uncompr), uncomprLen);
- uncomprLen := StrLen(PChar(uncompr));
- if uncomprLen <> 7 then (* " hello!" *)
- begin
- WriteLn('gzgets err after gzseek: ', gzerror(zfile, err));
- Halt(1);
- end;
- if StrComp(PChar(uncompr), hello + 6) <> 0 then
- begin
- WriteLn('bad gzgets after gzseek');
- Halt(1);
- end
- else
- WriteLn('gzgets() after gzseek: ', PChar(uncompr));
-
- gzclose(zfile);
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test deflate with small buffers
- *)
-{$IFDEF TEST_DEFLATE}
-procedure test_deflate(compr: Pointer; comprLen: LongInt);
-var c_stream: z_stream; (* compression stream *)
- err: Integer;
- len: LongInt;
-begin
- len := StrLen(hello)+1;
-
- c_stream.zalloc := NIL;
- c_stream.zfree := NIL;
- c_stream.opaque := NIL;
-
- err := deflateInit(c_stream, Z_DEFAULT_COMPRESSION);
- CHECK_ERR(err, 'deflateInit');
-
- c_stream.next_in := hello;
- c_stream.next_out := compr;
-
- while (c_stream.total_in <> len) and
- (c_stream.total_out < comprLen) do
- begin
- c_stream.avail_out := 1; { force small buffers }
- c_stream.avail_in := 1;
- err := deflate(c_stream, Z_NO_FLUSH);
- CHECK_ERR(err, 'deflate');
- end;
-
- (* Finish the stream, still forcing small buffers: *)
- while TRUE do
- begin
- c_stream.avail_out := 1;
- err := deflate(c_stream, Z_FINISH);
- if err = Z_STREAM_END then
- break;
- CHECK_ERR(err, 'deflate');
- end;
-
- err := deflateEnd(c_stream);
- CHECK_ERR(err, 'deflateEnd');
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test inflate with small buffers
- *)
-{$IFDEF TEST_INFLATE}
-procedure test_inflate(compr: Pointer; comprLen : LongInt;
- uncompr: Pointer; uncomprLen : LongInt);
-var err: Integer;
- d_stream: z_stream; (* decompression stream *)
-begin
- StrCopy(PChar(uncompr), 'garbage');
-
- d_stream.zalloc := NIL;
- d_stream.zfree := NIL;
- d_stream.opaque := NIL;
-
- d_stream.next_in := compr;
- d_stream.avail_in := 0;
- d_stream.next_out := uncompr;
-
- err := inflateInit(d_stream);
- CHECK_ERR(err, 'inflateInit');
-
- while (d_stream.total_out < uncomprLen) and
- (d_stream.total_in < comprLen) do
- begin
- d_stream.avail_out := 1; (* force small buffers *)
- d_stream.avail_in := 1;
- err := inflate(d_stream, Z_NO_FLUSH);
- if err = Z_STREAM_END then
- break;
- CHECK_ERR(err, 'inflate');
- end;
-
- err := inflateEnd(d_stream);
- CHECK_ERR(err, 'inflateEnd');
-
- if StrComp(PChar(uncompr), hello) <> 0 then
- EXIT_ERR('bad inflate')
- else
- WriteLn('inflate(): ', PChar(uncompr));
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test deflate with large buffers and dynamic change of compression level
- *)
-{$IFDEF TEST_DEFLATE}
-procedure test_large_deflate(compr: Pointer; comprLen: LongInt;
- uncompr: Pointer; uncomprLen: LongInt);
-var c_stream: z_stream; (* compression stream *)
- err: Integer;
-begin
- c_stream.zalloc := NIL;
- c_stream.zfree := NIL;
- c_stream.opaque := NIL;
-
- err := deflateInit(c_stream, Z_BEST_SPEED);
- CHECK_ERR(err, 'deflateInit');
-
- c_stream.next_out := compr;
- c_stream.avail_out := Integer(comprLen);
-
- (* At this point, uncompr is still mostly zeroes, so it should compress
- * very well:
- *)
- c_stream.next_in := uncompr;
- c_stream.avail_in := Integer(uncomprLen);
- err := deflate(c_stream, Z_NO_FLUSH);
- CHECK_ERR(err, 'deflate');
- if c_stream.avail_in <> 0 then
- EXIT_ERR('deflate not greedy');
-
- (* Feed in already compressed data and switch to no compression: *)
- deflateParams(c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY);
- c_stream.next_in := compr;
- c_stream.avail_in := Integer(comprLen div 2);
- err := deflate(c_stream, Z_NO_FLUSH);
- CHECK_ERR(err, 'deflate');
-
- (* Switch back to compressing mode: *)
- deflateParams(c_stream, Z_BEST_COMPRESSION, Z_FILTERED);
- c_stream.next_in := uncompr;
- c_stream.avail_in := Integer(uncomprLen);
- err := deflate(c_stream, Z_NO_FLUSH);
- CHECK_ERR(err, 'deflate');
-
- err := deflate(c_stream, Z_FINISH);
- if err <> Z_STREAM_END then
- EXIT_ERR('deflate should report Z_STREAM_END');
-
- err := deflateEnd(c_stream);
- CHECK_ERR(err, 'deflateEnd');
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test inflate with large buffers
- *)
-{$IFDEF TEST_INFLATE}
-procedure test_large_inflate(compr: Pointer; comprLen: LongInt;
- uncompr: Pointer; uncomprLen: LongInt);
-var err: Integer;
- d_stream: z_stream; (* decompression stream *)
-begin
- StrCopy(PChar(uncompr), 'garbage');
-
- d_stream.zalloc := NIL;
- d_stream.zfree := NIL;
- d_stream.opaque := NIL;
-
- d_stream.next_in := compr;
- d_stream.avail_in := Integer(comprLen);
-
- err := inflateInit(d_stream);
- CHECK_ERR(err, 'inflateInit');
-
- while TRUE do
- begin
- d_stream.next_out := uncompr; (* discard the output *)
- d_stream.avail_out := Integer(uncomprLen);
- err := inflate(d_stream, Z_NO_FLUSH);
- if err = Z_STREAM_END then
- break;
- CHECK_ERR(err, 'large inflate');
- end;
-
- err := inflateEnd(d_stream);
- CHECK_ERR(err, 'inflateEnd');
-
- if d_stream.total_out <> 2 * uncomprLen + comprLen div 2 then
- begin
- WriteLn('bad large inflate: ', d_stream.total_out);
- Halt(1);
- end
- else
- WriteLn('large_inflate(): OK');
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test deflate with full flush
- *)
-{$IFDEF TEST_FLUSH}
-procedure test_flush(compr: Pointer; var comprLen : LongInt);
-var c_stream: z_stream; (* compression stream *)
- err: Integer;
- len: Integer;
-begin
- len := StrLen(hello)+1;
-
- c_stream.zalloc := NIL;
- c_stream.zfree := NIL;
- c_stream.opaque := NIL;
-
- err := deflateInit(c_stream, Z_DEFAULT_COMPRESSION);
- CHECK_ERR(err, 'deflateInit');
-
- c_stream.next_in := hello;
- c_stream.next_out := compr;
- c_stream.avail_in := 3;
- c_stream.avail_out := Integer(comprLen);
- err := deflate(c_stream, Z_FULL_FLUSH);
- CHECK_ERR(err, 'deflate');
-
- Inc(PByteArray(compr)^[3]); (* force an error in first compressed block *)
- c_stream.avail_in := len - 3;
-
- err := deflate(c_stream, Z_FINISH);
- if err <> Z_STREAM_END then
- CHECK_ERR(err, 'deflate');
-
- err := deflateEnd(c_stream);
- CHECK_ERR(err, 'deflateEnd');
-
- comprLen := c_stream.total_out;
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test inflateSync()
- *)
-{$IFDEF TEST_SYNC}
-procedure test_sync(compr: Pointer; comprLen: LongInt;
- uncompr: Pointer; uncomprLen : LongInt);
-var err: Integer;
- d_stream: z_stream; (* decompression stream *)
-begin
- StrCopy(PChar(uncompr), 'garbage');
-
- d_stream.zalloc := NIL;
- d_stream.zfree := NIL;
- d_stream.opaque := NIL;
-
- d_stream.next_in := compr;
- d_stream.avail_in := 2; (* just read the zlib header *)
-
- err := inflateInit(d_stream);
- CHECK_ERR(err, 'inflateInit');
-
- d_stream.next_out := uncompr;
- d_stream.avail_out := Integer(uncomprLen);
-
- inflate(d_stream, Z_NO_FLUSH);
- CHECK_ERR(err, 'inflate');
-
- d_stream.avail_in := Integer(comprLen-2); (* read all compressed data *)
- err := inflateSync(d_stream); (* but skip the damaged part *)
- CHECK_ERR(err, 'inflateSync');
-
- err := inflate(d_stream, Z_FINISH);
- if err <> Z_DATA_ERROR then
- EXIT_ERR('inflate should report DATA_ERROR');
- (* Because of incorrect adler32 *)
-
- err := inflateEnd(d_stream);
- CHECK_ERR(err, 'inflateEnd');
-
- WriteLn('after inflateSync(): hel', PChar(uncompr));
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test deflate with preset dictionary
- *)
-{$IFDEF TEST_DICT}
-procedure test_dict_deflate(compr: Pointer; comprLen: LongInt);
-var c_stream: z_stream; (* compression stream *)
- err: Integer;
-begin
- c_stream.zalloc := NIL;
- c_stream.zfree := NIL;
- c_stream.opaque := NIL;
-
- err := deflateInit(c_stream, Z_BEST_COMPRESSION);
- CHECK_ERR(err, 'deflateInit');
-
- err := deflateSetDictionary(c_stream, dictionary, StrLen(dictionary));
- CHECK_ERR(err, 'deflateSetDictionary');
-
- dictId := c_stream.adler;
- c_stream.next_out := compr;
- c_stream.avail_out := Integer(comprLen);
-
- c_stream.next_in := hello;
- c_stream.avail_in := StrLen(hello)+1;
-
- err := deflate(c_stream, Z_FINISH);
- if err <> Z_STREAM_END then
- EXIT_ERR('deflate should report Z_STREAM_END');
-
- err := deflateEnd(c_stream);
- CHECK_ERR(err, 'deflateEnd');
-end;
-{$ENDIF}
-
-(* ===========================================================================
- * Test inflate with a preset dictionary
- *)
-{$IFDEF TEST_DICT}
-procedure test_dict_inflate(compr: Pointer; comprLen: LongInt;
- uncompr: Pointer; uncomprLen: LongInt);
-var err: Integer;
- d_stream: z_stream; (* decompression stream *)
-begin
- StrCopy(PChar(uncompr), 'garbage');
-
- d_stream.zalloc := NIL;
- d_stream.zfree := NIL;
- d_stream.opaque := NIL;
-
- d_stream.next_in := compr;
- d_stream.avail_in := Integer(comprLen);
-
- err := inflateInit(d_stream);
- CHECK_ERR(err, 'inflateInit');
-
- d_stream.next_out := uncompr;
- d_stream.avail_out := Integer(uncomprLen);
-
- while TRUE do
- begin
- err := inflate(d_stream, Z_NO_FLUSH);
- if err = Z_STREAM_END then
- break;
- if err = Z_NEED_DICT then
- begin
- if d_stream.adler <> dictId then
- EXIT_ERR('unexpected dictionary');
- err := inflateSetDictionary(d_stream, dictionary, StrLen(dictionary));
- end;
- CHECK_ERR(err, 'inflate with dict');
- end;
-
- err := inflateEnd(d_stream);
- CHECK_ERR(err, 'inflateEnd');
-
- if StrComp(PChar(uncompr), hello) <> 0 then
- EXIT_ERR('bad inflate with dict')
- else
- WriteLn('inflate with dictionary: ', PChar(uncompr));
-end;
-{$ENDIF}
-
-var compr, uncompr: Pointer;
- comprLen, uncomprLen: LongInt;
-
-begin
- if zlibVersion^ <> ZLIB_VERSION[1] then
- EXIT_ERR('Incompatible zlib version');
-
- WriteLn('zlib version: ', zlibVersion);
- WriteLn('zlib compile flags: ', Format('0x%x', [zlibCompileFlags]));
-
- comprLen := 10000 * SizeOf(Integer); (* don't overflow on MSDOS *)
- uncomprLen := comprLen;
- GetMem(compr, comprLen);
- GetMem(uncompr, uncomprLen);
- if (compr = NIL) or (uncompr = NIL) then
- EXIT_ERR('Out of memory');
- (* compr and uncompr are cleared to avoid reading uninitialized
- * data and to ensure that uncompr compresses well.
- *)
- FillChar(compr^, comprLen, 0);
- FillChar(uncompr^, uncomprLen, 0);
-
- {$IFDEF TEST_COMPRESS}
- WriteLn('** Testing compress');
- test_compress(compr, comprLen, uncompr, uncomprLen);
- {$ENDIF}
-
- {$IFDEF TEST_GZIO}
- WriteLn('** Testing gzio');
- if ParamCount >= 1 then
- test_gzio(ParamStr(1), uncompr, uncomprLen)
- else
- test_gzio(TESTFILE, uncompr, uncomprLen);
- {$ENDIF}
-
- {$IFDEF TEST_DEFLATE}
- WriteLn('** Testing deflate with small buffers');
- test_deflate(compr, comprLen);
- {$ENDIF}
- {$IFDEF TEST_INFLATE}
- WriteLn('** Testing inflate with small buffers');
- test_inflate(compr, comprLen, uncompr, uncomprLen);
- {$ENDIF}
-
- {$IFDEF TEST_DEFLATE}
- WriteLn('** Testing deflate with large buffers');
- test_large_deflate(compr, comprLen, uncompr, uncomprLen);
- {$ENDIF}
- {$IFDEF TEST_INFLATE}
- WriteLn('** Testing inflate with large buffers');
- test_large_inflate(compr, comprLen, uncompr, uncomprLen);
- {$ENDIF}
-
- {$IFDEF TEST_FLUSH}
- WriteLn('** Testing deflate with full flush');
- test_flush(compr, comprLen);
- {$ENDIF}
- {$IFDEF TEST_SYNC}
- WriteLn('** Testing inflateSync');
- test_sync(compr, comprLen, uncompr, uncomprLen);
- {$ENDIF}
- comprLen := uncomprLen;
-
- {$IFDEF TEST_DICT}
- WriteLn('** Testing deflate and inflate with preset dictionary');
- test_dict_deflate(compr, comprLen);
- test_dict_inflate(compr, comprLen, uncompr, uncomprLen);
- {$ENDIF}
-
- FreeMem(compr, comprLen);
- FreeMem(uncompr, uncomprLen);
-end.
+++ /dev/null
-
-This directory contains a Pascal (Delphi, Kylix) interface to the
-zlib data compression library.
-
-
-Directory listing
-=================
-
-zlibd32.mak makefile for Borland C++
-example.pas usage example of zlib
-zlibpas.pas the Pascal interface to zlib
-readme.txt this file
-
-
-Compatibility notes
-===================
-
-- Although the name "zlib" would have been more normal for the
- zlibpas unit, this name is already taken by Borland's ZLib unit.
- This is somehow unfortunate, because that unit is not a genuine
- interface to the full-fledged zlib functionality, but a suite of
- class wrappers around zlib streams. Other essential features,
- such as checksums, are missing.
- It would have been more appropriate for that unit to have a name
- like "ZStreams", or something similar.
-
-- The C and zlib-supplied types int, uInt, long, uLong, etc. are
- translated directly into Pascal types of similar sizes (Integer,
- LongInt, etc.), to avoid namespace pollution. In particular,
- there is no conversion of unsigned int into a Pascal unsigned
- integer. The Word type is non-portable and has the same size
- (16 bits) both in a 16-bit and in a 32-bit environment, unlike
- Integer. Even if there is a 32-bit Cardinal type, there is no
- real need for unsigned int in zlib under a 32-bit environment.
-
-- Except for the callbacks, the zlib function interfaces are
- assuming the calling convention normally used in Pascal
- (__pascal for DOS and Windows16, __fastcall for Windows32).
- Since the cdecl keyword is used, the old Turbo Pascal does
- not work with this interface.
-
-- The gz* function interfaces are not translated, to avoid
- interfacing problems with the C runtime library. Besides,
- gzprintf(gzFile file, const char *format, ...)
- cannot be translated into Pascal.
-
-
-Legal issues
-============
-
-The zlibpas interface is:
- Copyright (C) 1995-2003 Jean-loup Gailly and Mark Adler.
- Copyright (C) 1998 by Bob Dellaca.
- Copyright (C) 2003 by Cosmin Truta.
-
-The example program is:
- Copyright (C) 1995-2003 by Jean-loup Gailly.
- Copyright (C) 1998,1999,2000 by Jacques Nomssi Nzali.
- Copyright (C) 2003 by Cosmin Truta.
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the author be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
+++ /dev/null
-# Makefile for zlib
-# For use with Delphi and C++ Builder under Win32
-# Updated for zlib 1.2.x by Cosmin Truta
-
-# ------------ Borland C++ ------------
-
-# This project uses the Delphi (fastcall/register) calling convention:
-LOC = -DZEXPORT=__fastcall -DZEXPORTVA=__cdecl
-
-CC = bcc32
-LD = bcc32
-AR = tlib
-# do not use "-pr" in CFLAGS
-CFLAGS = -a -d -k- -O2 $(LOC)
-LDFLAGS =
-
-
-# variables
-ZLIB_LIB = zlib.lib
-
-OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj
-OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj
-OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infback.obj
-OBJP2 = +inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj
-
-
-# targets
-all: $(ZLIB_LIB) example.exe minigzip.exe
-
-.c.obj:
- $(CC) -c $(CFLAGS) $*.c
-
-adler32.obj: adler32.c zlib.h zconf.h
-
-compress.obj: compress.c zlib.h zconf.h
-
-crc32.obj: crc32.c zlib.h zconf.h crc32.h
-
-deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h
-
-gzio.obj: gzio.c zutil.h zlib.h zconf.h
-
-infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h
-
-inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h
-
-trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h
-
-uncompr.obj: uncompr.c zlib.h zconf.h
-
-zutil.obj: zutil.c zutil.h zlib.h zconf.h
-
-example.obj: example.c zlib.h zconf.h
-
-minigzip.obj: minigzip.c zlib.h zconf.h
-
-
-# For the sake of the old Borland make,
-# the command line is cut to fit in the MS-DOS 128 byte limit:
-$(ZLIB_LIB): $(OBJ1) $(OBJ2)
- -del $(ZLIB_LIB)
- $(AR) $(ZLIB_LIB) $(OBJP1)
- $(AR) $(ZLIB_LIB) $(OBJP2)
-
-
-# testing
-test: example.exe minigzip.exe
- example
- echo hello world | minigzip | minigzip -d
-
-example.exe: example.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB)
-
-minigzip.exe: minigzip.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB)
-
-
-# cleanup
-clean:
- -del *.obj
- -del *.exe
- -del *.lib
- -del *.tds
- -del zlib.bak
- -del foo.gz
-
+++ /dev/null
-(* zlibpas -- Pascal interface to the zlib data compression library
- *
- * Copyright (C) 2003 Cosmin Truta.
- * Derived from original sources by Bob Dellaca.
- * For conditions of distribution and use, see copyright notice in readme.txt
- *)
-
-unit zlibpas;
-
-interface
-
-const
- ZLIB_VERSION = '1.2.3';
-
-type
- alloc_func = function(opaque: Pointer; items, size: Integer): Pointer;
- cdecl;
- free_func = procedure(opaque, address: Pointer);
- cdecl;
-
- in_func = function(opaque: Pointer; var buf: PByte): Integer;
- cdecl;
- out_func = function(opaque: Pointer; buf: PByte; size: Integer): Integer;
- cdecl;
-
- z_streamp = ^z_stream;
- z_stream = packed record
- next_in: PChar; (* next input byte *)
- avail_in: Integer; (* number of bytes available at next_in *)
- total_in: LongInt; (* total nb of input bytes read so far *)
-
- next_out: PChar; (* next output byte should be put there *)
- avail_out: Integer; (* remaining free space at next_out *)
- total_out: LongInt; (* total nb of bytes output so far *)
-
- msg: PChar; (* last error message, NULL if no error *)
- state: Pointer; (* not visible by applications *)
-
- zalloc: alloc_func; (* used to allocate the internal state *)
- zfree: free_func; (* used to free the internal state *)
- opaque: Pointer; (* private data object passed to zalloc and zfree *)
-
- data_type: Integer; (* best guess about the data type: ascii or binary *)
- adler: LongInt; (* adler32 value of the uncompressed data *)
- reserved: LongInt; (* reserved for future use *)
- end;
-
-(* constants *)
-const
- Z_NO_FLUSH = 0;
- Z_PARTIAL_FLUSH = 1;
- Z_SYNC_FLUSH = 2;
- Z_FULL_FLUSH = 3;
- Z_FINISH = 4;
-
- Z_OK = 0;
- Z_STREAM_END = 1;
- Z_NEED_DICT = 2;
- Z_ERRNO = -1;
- Z_STREAM_ERROR = -2;
- Z_DATA_ERROR = -3;
- Z_MEM_ERROR = -4;
- Z_BUF_ERROR = -5;
- Z_VERSION_ERROR = -6;
-
- Z_NO_COMPRESSION = 0;
- Z_BEST_SPEED = 1;
- Z_BEST_COMPRESSION = 9;
- Z_DEFAULT_COMPRESSION = -1;
-
- Z_FILTERED = 1;
- Z_HUFFMAN_ONLY = 2;
- Z_RLE = 3;
- Z_DEFAULT_STRATEGY = 0;
-
- Z_BINARY = 0;
- Z_ASCII = 1;
- Z_UNKNOWN = 2;
-
- Z_DEFLATED = 8;
-
-(* basic functions *)
-function zlibVersion: PChar;
-function deflateInit(var strm: z_stream; level: Integer): Integer;
-function deflate(var strm: z_stream; flush: Integer): Integer;
-function deflateEnd(var strm: z_stream): Integer;
-function inflateInit(var strm: z_stream): Integer;
-function inflate(var strm: z_stream; flush: Integer): Integer;
-function inflateEnd(var strm: z_stream): Integer;
-
-(* advanced functions *)
-function deflateInit2(var strm: z_stream; level, method, windowBits,
- memLevel, strategy: Integer): Integer;
-function deflateSetDictionary(var strm: z_stream; const dictionary: PChar;
- dictLength: Integer): Integer;
-function deflateCopy(var dest, source: z_stream): Integer;
-function deflateReset(var strm: z_stream): Integer;
-function deflateParams(var strm: z_stream; level, strategy: Integer): Integer;
-function deflateBound(var strm: z_stream; sourceLen: LongInt): LongInt;
-function deflatePrime(var strm: z_stream; bits, value: Integer): Integer;
-function inflateInit2(var strm: z_stream; windowBits: Integer): Integer;
-function inflateSetDictionary(var strm: z_stream; const dictionary: PChar;
- dictLength: Integer): Integer;
-function inflateSync(var strm: z_stream): Integer;
-function inflateCopy(var dest, source: z_stream): Integer;
-function inflateReset(var strm: z_stream): Integer;
-function inflateBackInit(var strm: z_stream;
- windowBits: Integer; window: PChar): Integer;
-function inflateBack(var strm: z_stream; in_fn: in_func; in_desc: Pointer;
- out_fn: out_func; out_desc: Pointer): Integer;
-function inflateBackEnd(var strm: z_stream): Integer;
-function zlibCompileFlags: LongInt;
-
-(* utility functions *)
-function compress(dest: PChar; var destLen: LongInt;
- const source: PChar; sourceLen: LongInt): Integer;
-function compress2(dest: PChar; var destLen: LongInt;
- const source: PChar; sourceLen: LongInt;
- level: Integer): Integer;
-function compressBound(sourceLen: LongInt): LongInt;
-function uncompress(dest: PChar; var destLen: LongInt;
- const source: PChar; sourceLen: LongInt): Integer;
-
-(* checksum functions *)
-function adler32(adler: LongInt; const buf: PChar; len: Integer): LongInt;
-function crc32(crc: LongInt; const buf: PChar; len: Integer): LongInt;
-
-(* various hacks, don't look :) *)
-function deflateInit_(var strm: z_stream; level: Integer;
- const version: PChar; stream_size: Integer): Integer;
-function inflateInit_(var strm: z_stream; const version: PChar;
- stream_size: Integer): Integer;
-function deflateInit2_(var strm: z_stream;
- level, method, windowBits, memLevel, strategy: Integer;
- const version: PChar; stream_size: Integer): Integer;
-function inflateInit2_(var strm: z_stream; windowBits: Integer;
- const version: PChar; stream_size: Integer): Integer;
-function inflateBackInit_(var strm: z_stream;
- windowBits: Integer; window: PChar;
- const version: PChar; stream_size: Integer): Integer;
-
-
-implementation
-
-{$L adler32.obj}
-{$L compress.obj}
-{$L crc32.obj}
-{$L deflate.obj}
-{$L infback.obj}
-{$L inffast.obj}
-{$L inflate.obj}
-{$L inftrees.obj}
-{$L trees.obj}
-{$L uncompr.obj}
-{$L zutil.obj}
-
-function adler32; external;
-function compress; external;
-function compress2; external;
-function compressBound; external;
-function crc32; external;
-function deflate; external;
-function deflateBound; external;
-function deflateCopy; external;
-function deflateEnd; external;
-function deflateInit_; external;
-function deflateInit2_; external;
-function deflateParams; external;
-function deflatePrime; external;
-function deflateReset; external;
-function deflateSetDictionary; external;
-function inflate; external;
-function inflateBack; external;
-function inflateBackEnd; external;
-function inflateBackInit_; external;
-function inflateCopy; external;
-function inflateEnd; external;
-function inflateInit_; external;
-function inflateInit2_; external;
-function inflateReset; external;
-function inflateSetDictionary; external;
-function inflateSync; external;
-function uncompress; external;
-function zlibCompileFlags; external;
-function zlibVersion; external;
-
-function deflateInit(var strm: z_stream; level: Integer): Integer;
-begin
- Result := deflateInit_(strm, level, ZLIB_VERSION, sizeof(z_stream));
-end;
-
-function deflateInit2(var strm: z_stream; level, method, windowBits, memLevel,
- strategy: Integer): Integer;
-begin
- Result := deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
- ZLIB_VERSION, sizeof(z_stream));
-end;
-
-function inflateInit(var strm: z_stream): Integer;
-begin
- Result := inflateInit_(strm, ZLIB_VERSION, sizeof(z_stream));
-end;
-
-function inflateInit2(var strm: z_stream; windowBits: Integer): Integer;
-begin
- Result := inflateInit2_(strm, windowBits, ZLIB_VERSION, sizeof(z_stream));
-end;
-
-function inflateBackInit(var strm: z_stream;
- windowBits: Integer; window: PChar): Integer;
-begin
- Result := inflateBackInit_(strm, windowBits, window,
- ZLIB_VERSION, sizeof(z_stream));
-end;
-
-function _malloc(Size: Integer): Pointer; cdecl;
-begin
- GetMem(Result, Size);
-end;
-
-procedure _free(Block: Pointer); cdecl;
-begin
- FreeMem(Block);
-end;
-
-procedure _memset(P: Pointer; B: Byte; count: Integer); cdecl;
-begin
- FillChar(P^, count, B);
-end;
-
-procedure _memcpy(dest, source: Pointer; count: Integer); cdecl;
-begin
- Move(source^, dest^, count);
-end;
-
-end.
+++ /dev/null
-Puff -- A Simple Inflate
-3 Mar 2003
-Mark Adler
-madler@alumni.caltech.edu
-
-What this is --
-
-puff.c provides the routine puff() to decompress the deflate data format. It
-does so more slowly than zlib, but the code is about one-fifth the size of the
-inflate code in zlib, and written to be very easy to read.
-
-Why I wrote this --
-
-puff.c was written to document the deflate format unambiguously, by virtue of
-being working C code. It is meant to supplement RFC 1951, which formally
-describes the deflate format. I have received many questions on details of the
-deflate format, and I hope that reading this code will answer those questions.
-puff.c is heavily commented with details of the deflate format, especially
-those little nooks and cranies of the format that might not be obvious from a
-specification.
-
-puff.c may also be useful in applications where code size or memory usage is a
-very limited resource, and speed is not as important.
-
-How to use it --
-
-Well, most likely you should just be reading puff.c and using zlib for actual
-applications, but if you must ...
-
-Include puff.h in your code, which provides this prototype:
-
-int puff(unsigned char *dest, /* pointer to destination pointer */
- unsigned long *destlen, /* amount of output space */
- unsigned char *source, /* pointer to source data pointer */
- unsigned long *sourcelen); /* amount of input available */
-
-Then you can call puff() to decompress a deflate stream that is in memory in
-its entirety at source, to a sufficiently sized block of memory for the
-decompressed data at dest. puff() is the only external symbol in puff.c The
-only C library functions that puff.c needs are setjmp() and longjmp(), which
-are used to simplify error checking in the code to improve readabilty. puff.c
-does no memory allocation, and uses less than 2K bytes off of the stack.
-
-If destlen is not enough space for the uncompressed data, then inflate will
-return an error without writing more than destlen bytes. Note that this means
-that in order to decompress the deflate data successfully, you need to know
-the size of the uncompressed data ahead of time.
-
-If needed, puff() can determine the size of the uncompressed data with no
-output space. This is done by passing dest equal to (unsigned char *)0. Then
-the initial value of *destlen is ignored and *destlen is set to the length of
-the uncompressed data. So if the size of the uncompressed data is not known,
-then two passes of puff() can be used--first to determine the size, and second
-to do the actual inflation after allocating the appropriate memory. Not
-pretty, but it works. (This is one of the reasons you should be using zlib.)
-
-The deflate format is self-terminating. If the deflate stream does not end
-in *sourcelen bytes, puff() will return an error without reading at or past
-endsource.
-
-On return, *sourcelen is updated to the amount of input data consumed, and
-*destlen is updated to the size of the uncompressed data. See the comments
-in puff.c for the possible return codes for puff().
+++ /dev/null
-/*
- * puff.c
- * Copyright (C) 2002-2004 Mark Adler
- * For conditions of distribution and use, see copyright notice in puff.h
- * version 1.8, 9 Jan 2004
- *
- * puff.c is a simple inflate written to be an unambiguous way to specify the
- * deflate format. It is not written for speed but rather simplicity. As a
- * side benefit, this code might actually be useful when small code is more
- * important than speed, such as bootstrap applications. For typical deflate
- * data, zlib's inflate() is about four times as fast as puff(). zlib's
- * inflate compiles to around 20K on my machine, whereas puff.c compiles to
- * around 4K on my machine (a PowerPC using GNU cc). If the faster decode()
- * function here is used, then puff() is only twice as slow as zlib's
- * inflate().
- *
- * All dynamically allocated memory comes from the stack. The stack required
- * is less than 2K bytes. This code is compatible with 16-bit int's and
- * assumes that long's are at least 32 bits. puff.c uses the short data type,
- * assumed to be 16 bits, for arrays in order to to conserve memory. The code
- * works whether integers are stored big endian or little endian.
- *
- * In the comments below are "Format notes" that describe the inflate process
- * and document some of the less obvious aspects of the format. This source
- * code is meant to supplement RFC 1951, which formally describes the deflate
- * format:
- *
- * http://www.zlib.org/rfc-deflate.html
- */
-
-/*
- * Change history:
- *
- * 1.0 10 Feb 2002 - First version
- * 1.1 17 Feb 2002 - Clarifications of some comments and notes
- * - Update puff() dest and source pointers on negative
- * errors to facilitate debugging deflators
- * - Remove longest from struct huffman -- not needed
- * - Simplify offs[] index in construct()
- * - Add input size and checking, using longjmp() to
- * maintain easy readability
- * - Use short data type for large arrays
- * - Use pointers instead of long to specify source and
- * destination sizes to avoid arbitrary 4 GB limits
- * 1.2 17 Mar 2002 - Add faster version of decode(), doubles speed (!),
- * but leave simple version for readabilty
- * - Make sure invalid distances detected if pointers
- * are 16 bits
- * - Fix fixed codes table error
- * - Provide a scanning mode for determining size of
- * uncompressed data
- * 1.3 20 Mar 2002 - Go back to lengths for puff() parameters [Jean-loup]
- * - Add a puff.h file for the interface
- * - Add braces in puff() for else do [Jean-loup]
- * - Use indexes instead of pointers for readability
- * 1.4 31 Mar 2002 - Simplify construct() code set check
- * - Fix some comments
- * - Add FIXLCODES #define
- * 1.5 6 Apr 2002 - Minor comment fixes
- * 1.6 7 Aug 2002 - Minor format changes
- * 1.7 3 Mar 2003 - Added test code for distribution
- * - Added zlib-like license
- * 1.8 9 Jan 2004 - Added some comments on no distance codes case
- */
-
-#include <setjmp.h> /* for setjmp(), longjmp(), and jmp_buf */
-#include "puff.h" /* prototype for puff() */
-
-#define local static /* for local function definitions */
-#define NIL ((unsigned char *)0) /* for no output option */
-
-/*
- * Maximums for allocations and loops. It is not useful to change these --
- * they are fixed by the deflate format.
- */
-#define MAXBITS 15 /* maximum bits in a code */
-#define MAXLCODES 286 /* maximum number of literal/length codes */
-#define MAXDCODES 30 /* maximum number of distance codes */
-#define MAXCODES (MAXLCODES+MAXDCODES) /* maximum codes lengths to read */
-#define FIXLCODES 288 /* number of fixed literal/length codes */
-
-/* input and output state */
-struct state {
- /* output state */
- unsigned char *out; /* output buffer */
- unsigned long outlen; /* available space at out */
- unsigned long outcnt; /* bytes written to out so far */
-
- /* input state */
- unsigned char *in; /* input buffer */
- unsigned long inlen; /* available input at in */
- unsigned long incnt; /* bytes read so far */
- int bitbuf; /* bit buffer */
- int bitcnt; /* number of bits in bit buffer */
-
- /* input limit error return state for bits() and decode() */
- jmp_buf env;
-};
-
-/*
- * Return need bits from the input stream. This always leaves less than
- * eight bits in the buffer. bits() works properly for need == 0.
- *
- * Format notes:
- *
- * - Bits are stored in bytes from the least significant bit to the most
- * significant bit. Therefore bits are dropped from the bottom of the bit
- * buffer, using shift right, and new bytes are appended to the top of the
- * bit buffer, using shift left.
- */
-local int bits(struct state *s, int need)
-{
- long val; /* bit accumulator (can use up to 20 bits) */
-
- /* load at least need bits into val */
- val = s->bitbuf;
- while (s->bitcnt < need) {
- if (s->incnt == s->inlen) longjmp(s->env, 1); /* out of input */
- val |= (long)(s->in[s->incnt++]) << s->bitcnt; /* load eight bits */
- s->bitcnt += 8;
- }
-
- /* drop need bits and update buffer, always zero to seven bits left */
- s->bitbuf = (int)(val >> need);
- s->bitcnt -= need;
-
- /* return need bits, zeroing the bits above that */
- return (int)(val & ((1L << need) - 1));
-}
-
-/*
- * Process a stored block.
- *
- * Format notes:
- *
- * - After the two-bit stored block type (00), the stored block length and
- * stored bytes are byte-aligned for fast copying. Therefore any leftover
- * bits in the byte that has the last bit of the type, as many as seven, are
- * discarded. The value of the discarded bits are not defined and should not
- * be checked against any expectation.
- *
- * - The second inverted copy of the stored block length does not have to be
- * checked, but it's probably a good idea to do so anyway.
- *
- * - A stored block can have zero length. This is sometimes used to byte-align
- * subsets of the compressed data for random access or partial recovery.
- */
-local int stored(struct state *s)
-{
- unsigned len; /* length of stored block */
-
- /* discard leftover bits from current byte (assumes s->bitcnt < 8) */
- s->bitbuf = 0;
- s->bitcnt = 0;
-
- /* get length and check against its one's complement */
- if (s->incnt + 4 > s->inlen) return 2; /* not enough input */
- len = s->in[s->incnt++];
- len |= s->in[s->incnt++] << 8;
- if (s->in[s->incnt++] != (~len & 0xff) ||
- s->in[s->incnt++] != ((~len >> 8) & 0xff))
- return -2; /* didn't match complement! */
-
- /* copy len bytes from in to out */
- if (s->incnt + len > s->inlen) return 2; /* not enough input */
- if (s->out != NIL) {
- if (s->outcnt + len > s->outlen)
- return 1; /* not enough output space */
- while (len--)
- s->out[s->outcnt++] = s->in[s->incnt++];
- }
- else { /* just scanning */
- s->outcnt += len;
- s->incnt += len;
- }
-
- /* done with a valid stored block */
- return 0;
-}
-
-/*
- * Huffman code decoding tables. count[1..MAXBITS] is the number of symbols of
- * each length, which for a canonical code are stepped through in order.
- * symbol[] are the symbol values in canonical order, where the number of
- * entries is the sum of the counts in count[]. The decoding process can be
- * seen in the function decode() below.
- */
-struct huffman {
- short *count; /* number of symbols of each length */
- short *symbol; /* canonically ordered symbols */
-};
-
-/*
- * Decode a code from the stream s using huffman table h. Return the symbol or
- * a negative value if there is an error. If all of the lengths are zero, i.e.
- * an empty code, or if the code is incomplete and an invalid code is received,
- * then -9 is returned after reading MAXBITS bits.
- *
- * Format notes:
- *
- * - The codes as stored in the compressed data are bit-reversed relative to
- * a simple integer ordering of codes of the same lengths. Hence below the
- * bits are pulled from the compressed data one at a time and used to
- * build the code value reversed from what is in the stream in order to
- * permit simple integer comparisons for decoding. A table-based decoding
- * scheme (as used in zlib) does not need to do this reversal.
- *
- * - The first code for the shortest length is all zeros. Subsequent codes of
- * the same length are simply integer increments of the previous code. When
- * moving up a length, a zero bit is appended to the code. For a complete
- * code, the last code of the longest length will be all ones.
- *
- * - Incomplete codes are handled by this decoder, since they are permitted
- * in the deflate format. See the format notes for fixed() and dynamic().
- */
-#ifdef SLOW
-local int decode(struct state *s, struct huffman *h)
-{
- int len; /* current number of bits in code */
- int code; /* len bits being decoded */
- int first; /* first code of length len */
- int count; /* number of codes of length len */
- int index; /* index of first code of length len in symbol table */
-
- code = first = index = 0;
- for (len = 1; len <= MAXBITS; len++) {
- code |= bits(s, 1); /* get next bit */
- count = h->count[len];
- if (code < first + count) /* if length len, return symbol */
- return h->symbol[index + (code - first)];
- index += count; /* else update for next length */
- first += count;
- first <<= 1;
- code <<= 1;
- }
- return -9; /* ran out of codes */
-}
-
-/*
- * A faster version of decode() for real applications of this code. It's not
- * as readable, but it makes puff() twice as fast. And it only makes the code
- * a few percent larger.
- */
-#else /* !SLOW */
-local int decode(struct state *s, struct huffman *h)
-{
- int len; /* current number of bits in code */
- int code; /* len bits being decoded */
- int first; /* first code of length len */
- int count; /* number of codes of length len */
- int index; /* index of first code of length len in symbol table */
- int bitbuf; /* bits from stream */
- int left; /* bits left in next or left to process */
- short *next; /* next number of codes */
-
- bitbuf = s->bitbuf;
- left = s->bitcnt;
- code = first = index = 0;
- len = 1;
- next = h->count + 1;
- while (1) {
- while (left--) {
- code |= bitbuf & 1;
- bitbuf >>= 1;
- count = *next++;
- if (code < first + count) { /* if length len, return symbol */
- s->bitbuf = bitbuf;
- s->bitcnt = (s->bitcnt - len) & 7;
- return h->symbol[index + (code - first)];
- }
- index += count; /* else update for next length */
- first += count;
- first <<= 1;
- code <<= 1;
- len++;
- }
- left = (MAXBITS+1) - len;
- if (left == 0) break;
- if (s->incnt == s->inlen) longjmp(s->env, 1); /* out of input */
- bitbuf = s->in[s->incnt++];
- if (left > 8) left = 8;
- }
- return -9; /* ran out of codes */
-}
-#endif /* SLOW */
-
-/*
- * Given the list of code lengths length[0..n-1] representing a canonical
- * Huffman code for n symbols, construct the tables required to decode those
- * codes. Those tables are the number of codes of each length, and the symbols
- * sorted by length, retaining their original order within each length. The
- * return value is zero for a complete code set, negative for an over-
- * subscribed code set, and positive for an incomplete code set. The tables
- * can be used if the return value is zero or positive, but they cannot be used
- * if the return value is negative. If the return value is zero, it is not
- * possible for decode() using that table to return an error--any stream of
- * enough bits will resolve to a symbol. If the return value is positive, then
- * it is possible for decode() using that table to return an error for received
- * codes past the end of the incomplete lengths.
- *
- * Not used by decode(), but used for error checking, h->count[0] is the number
- * of the n symbols not in the code. So n - h->count[0] is the number of
- * codes. This is useful for checking for incomplete codes that have more than
- * one symbol, which is an error in a dynamic block.
- *
- * Assumption: for all i in 0..n-1, 0 <= length[i] <= MAXBITS
- * This is assured by the construction of the length arrays in dynamic() and
- * fixed() and is not verified by construct().
- *
- * Format notes:
- *
- * - Permitted and expected examples of incomplete codes are one of the fixed
- * codes and any code with a single symbol which in deflate is coded as one
- * bit instead of zero bits. See the format notes for fixed() and dynamic().
- *
- * - Within a given code length, the symbols are kept in ascending order for
- * the code bits definition.
- */
-local int construct(struct huffman *h, short *length, int n)
-{
- int symbol; /* current symbol when stepping through length[] */
- int len; /* current length when stepping through h->count[] */
- int left; /* number of possible codes left of current length */
- short offs[MAXBITS+1]; /* offsets in symbol table for each length */
-
- /* count number of codes of each length */
- for (len = 0; len <= MAXBITS; len++)
- h->count[len] = 0;
- for (symbol = 0; symbol < n; symbol++)
- (h->count[length[symbol]])++; /* assumes lengths are within bounds */
- if (h->count[0] == n) /* no codes! */
- return 0; /* complete, but decode() will fail */
-
- /* check for an over-subscribed or incomplete set of lengths */
- left = 1; /* one possible code of zero length */
- for (len = 1; len <= MAXBITS; len++) {
- left <<= 1; /* one more bit, double codes left */
- left -= h->count[len]; /* deduct count from possible codes */
- if (left < 0) return left; /* over-subscribed--return negative */
- } /* left > 0 means incomplete */
-
- /* generate offsets into symbol table for each length for sorting */
- offs[1] = 0;
- for (len = 1; len < MAXBITS; len++)
- offs[len + 1] = offs[len] + h->count[len];
-
- /*
- * put symbols in table sorted by length, by symbol order within each
- * length
- */
- for (symbol = 0; symbol < n; symbol++)
- if (length[symbol] != 0)
- h->symbol[offs[length[symbol]]++] = symbol;
-
- /* return zero for complete set, positive for incomplete set */
- return left;
-}
-
-/*
- * Decode literal/length and distance codes until an end-of-block code.
- *
- * Format notes:
- *
- * - Compressed data that is after the block type if fixed or after the code
- * description if dynamic is a combination of literals and length/distance
- * pairs terminated by and end-of-block code. Literals are simply Huffman
- * coded bytes. A length/distance pair is a coded length followed by a
- * coded distance to represent a string that occurs earlier in the
- * uncompressed data that occurs again at the current location.
- *
- * - Literals, lengths, and the end-of-block code are combined into a single
- * code of up to 286 symbols. They are 256 literals (0..255), 29 length
- * symbols (257..285), and the end-of-block symbol (256).
- *
- * - There are 256 possible lengths (3..258), and so 29 symbols are not enough
- * to represent all of those. Lengths 3..10 and 258 are in fact represented
- * by just a length symbol. Lengths 11..257 are represented as a symbol and
- * some number of extra bits that are added as an integer to the base length
- * of the length symbol. The number of extra bits is determined by the base
- * length symbol. These are in the static arrays below, lens[] for the base
- * lengths and lext[] for the corresponding number of extra bits.
- *
- * - The reason that 258 gets its own symbol is that the longest length is used
- * often in highly redundant files. Note that 258 can also be coded as the
- * base value 227 plus the maximum extra value of 31. While a good deflate
- * should never do this, it is not an error, and should be decoded properly.
- *
- * - If a length is decoded, including its extra bits if any, then it is
- * followed a distance code. There are up to 30 distance symbols. Again
- * there are many more possible distances (1..32768), so extra bits are added
- * to a base value represented by the symbol. The distances 1..4 get their
- * own symbol, but the rest require extra bits. The base distances and
- * corresponding number of extra bits are below in the static arrays dist[]
- * and dext[].
- *
- * - Literal bytes are simply written to the output. A length/distance pair is
- * an instruction to copy previously uncompressed bytes to the output. The
- * copy is from distance bytes back in the output stream, copying for length
- * bytes.
- *
- * - Distances pointing before the beginning of the output data are not
- * permitted.
- *
- * - Overlapped copies, where the length is greater than the distance, are
- * allowed and common. For example, a distance of one and a length of 258
- * simply copies the last byte 258 times. A distance of four and a length of
- * twelve copies the last four bytes three times. A simple forward copy
- * ignoring whether the length is greater than the distance or not implements
- * this correctly. You should not use memcpy() since its behavior is not
- * defined for overlapped arrays. You should not use memmove() or bcopy()
- * since though their behavior -is- defined for overlapping arrays, it is
- * defined to do the wrong thing in this case.
- */
-local int codes(struct state *s,
- struct huffman *lencode,
- struct huffman *distcode)
-{
- int symbol; /* decoded symbol */
- int len; /* length for copy */
- unsigned dist; /* distance for copy */
- static const short lens[29] = { /* Size base for length codes 257..285 */
- 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
- 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258};
- static const short lext[29] = { /* Extra bits for length codes 257..285 */
- 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
- 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
- static const short dists[30] = { /* Offset base for distance codes 0..29 */
- 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
- 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
- 8193, 12289, 16385, 24577};
- static const short dext[30] = { /* Extra bits for distance codes 0..29 */
- 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
- 7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
- 12, 12, 13, 13};
-
- /* decode literals and length/distance pairs */
- do {
- symbol = decode(s, lencode);
- if (symbol < 0) return symbol; /* invalid symbol */
- if (symbol < 256) { /* literal: symbol is the byte */
- /* write out the literal */
- if (s->out != NIL) {
- if (s->outcnt == s->outlen) return 1;
- s->out[s->outcnt] = symbol;
- }
- s->outcnt++;
- }
- else if (symbol > 256) { /* length */
- /* get and compute length */
- symbol -= 257;
- if (symbol >= 29) return -9; /* invalid fixed code */
- len = lens[symbol] + bits(s, lext[symbol]);
-
- /* get and check distance */
- symbol = decode(s, distcode);
- if (symbol < 0) return symbol; /* invalid symbol */
- dist = dists[symbol] + bits(s, dext[symbol]);
- if (dist > s->outcnt)
- return -10; /* distance too far back */
-
- /* copy length bytes from distance bytes back */
- if (s->out != NIL) {
- if (s->outcnt + len > s->outlen) return 1;
- while (len--) {
- s->out[s->outcnt] = s->out[s->outcnt - dist];
- s->outcnt++;
- }
- }
- else
- s->outcnt += len;
- }
- } while (symbol != 256); /* end of block symbol */
-
- /* done with a valid fixed or dynamic block */
- return 0;
-}
-
-/*
- * Process a fixed codes block.
- *
- * Format notes:
- *
- * - This block type can be useful for compressing small amounts of data for
- * which the size of the code descriptions in a dynamic block exceeds the
- * benefit of custom codes for that block. For fixed codes, no bits are
- * spent on code descriptions. Instead the code lengths for literal/length
- * codes and distance codes are fixed. The specific lengths for each symbol
- * can be seen in the "for" loops below.
- *
- * - The literal/length code is complete, but has two symbols that are invalid
- * and should result in an error if received. This cannot be implemented
- * simply as an incomplete code since those two symbols are in the "middle"
- * of the code. They are eight bits long and the longest literal/length\
- * code is nine bits. Therefore the code must be constructed with those
- * symbols, and the invalid symbols must be detected after decoding.
- *
- * - The fixed distance codes also have two invalid symbols that should result
- * in an error if received. Since all of the distance codes are the same
- * length, this can be implemented as an incomplete code. Then the invalid
- * codes are detected while decoding.
- */
-local int fixed(struct state *s)
-{
- static int virgin = 1;
- static short lencnt[MAXBITS+1], lensym[FIXLCODES];
- static short distcnt[MAXBITS+1], distsym[MAXDCODES];
- static struct huffman lencode = {lencnt, lensym};
- static struct huffman distcode = {distcnt, distsym};
-
- /* build fixed huffman tables if first call (may not be thread safe) */
- if (virgin) {
- int symbol;
- short lengths[FIXLCODES];
-
- /* literal/length table */
- for (symbol = 0; symbol < 144; symbol++)
- lengths[symbol] = 8;
- for (; symbol < 256; symbol++)
- lengths[symbol] = 9;
- for (; symbol < 280; symbol++)
- lengths[symbol] = 7;
- for (; symbol < FIXLCODES; symbol++)
- lengths[symbol] = 8;
- construct(&lencode, lengths, FIXLCODES);
-
- /* distance table */
- for (symbol = 0; symbol < MAXDCODES; symbol++)
- lengths[symbol] = 5;
- construct(&distcode, lengths, MAXDCODES);
-
- /* do this just once */
- virgin = 0;
- }
-
- /* decode data until end-of-block code */
- return codes(s, &lencode, &distcode);
-}
-
-/*
- * Process a dynamic codes block.
- *
- * Format notes:
- *
- * - A dynamic block starts with a description of the literal/length and
- * distance codes for that block. New dynamic blocks allow the compressor to
- * rapidly adapt to changing data with new codes optimized for that data.
- *
- * - The codes used by the deflate format are "canonical", which means that
- * the actual bits of the codes are generated in an unambiguous way simply
- * from the number of bits in each code. Therefore the code descriptions
- * are simply a list of code lengths for each symbol.
- *
- * - The code lengths are stored in order for the symbols, so lengths are
- * provided for each of the literal/length symbols, and for each of the
- * distance symbols.
- *
- * - If a symbol is not used in the block, this is represented by a zero as
- * as the code length. This does not mean a zero-length code, but rather
- * that no code should be created for this symbol. There is no way in the
- * deflate format to represent a zero-length code.
- *
- * - The maximum number of bits in a code is 15, so the possible lengths for
- * any code are 1..15.
- *
- * - The fact that a length of zero is not permitted for a code has an
- * interesting consequence. Normally if only one symbol is used for a given
- * code, then in fact that code could be represented with zero bits. However
- * in deflate, that code has to be at least one bit. So for example, if
- * only a single distance base symbol appears in a block, then it will be
- * represented by a single code of length one, in particular one 0 bit. This
- * is an incomplete code, since if a 1 bit is received, it has no meaning,
- * and should result in an error. So incomplete distance codes of one symbol
- * should be permitted, and the receipt of invalid codes should be handled.
- *
- * - It is also possible to have a single literal/length code, but that code
- * must be the end-of-block code, since every dynamic block has one. This
- * is not the most efficient way to create an empty block (an empty fixed
- * block is fewer bits), but it is allowed by the format. So incomplete
- * literal/length codes of one symbol should also be permitted.
- *
- * - If there are only literal codes and no lengths, then there are no distance
- * codes. This is represented by one distance code with zero bits.
- *
- * - The list of up to 286 length/literal lengths and up to 30 distance lengths
- * are themselves compressed using Huffman codes and run-length encoding. In
- * the list of code lengths, a 0 symbol means no code, a 1..15 symbol means
- * that length, and the symbols 16, 17, and 18 are run-length instructions.
- * Each of 16, 17, and 18 are follwed by extra bits to define the length of
- * the run. 16 copies the last length 3 to 6 times. 17 represents 3 to 10
- * zero lengths, and 18 represents 11 to 138 zero lengths. Unused symbols
- * are common, hence the special coding for zero lengths.
- *
- * - The symbols for 0..18 are Huffman coded, and so that code must be
- * described first. This is simply a sequence of up to 19 three-bit values
- * representing no code (0) or the code length for that symbol (1..7).
- *
- * - A dynamic block starts with three fixed-size counts from which is computed
- * the number of literal/length code lengths, the number of distance code
- * lengths, and the number of code length code lengths (ok, you come up with
- * a better name!) in the code descriptions. For the literal/length and
- * distance codes, lengths after those provided are considered zero, i.e. no
- * code. The code length code lengths are received in a permuted order (see
- * the order[] array below) to make a short code length code length list more
- * likely. As it turns out, very short and very long codes are less likely
- * to be seen in a dynamic code description, hence what may appear initially
- * to be a peculiar ordering.
- *
- * - Given the number of literal/length code lengths (nlen) and distance code
- * lengths (ndist), then they are treated as one long list of nlen + ndist
- * code lengths. Therefore run-length coding can and often does cross the
- * boundary between the two sets of lengths.
- *
- * - So to summarize, the code description at the start of a dynamic block is
- * three counts for the number of code lengths for the literal/length codes,
- * the distance codes, and the code length codes. This is followed by the
- * code length code lengths, three bits each. This is used to construct the
- * code length code which is used to read the remainder of the lengths. Then
- * the literal/length code lengths and distance lengths are read as a single
- * set of lengths using the code length codes. Codes are constructed from
- * the resulting two sets of lengths, and then finally you can start
- * decoding actual compressed data in the block.
- *
- * - For reference, a "typical" size for the code description in a dynamic
- * block is around 80 bytes.
- */
-local int dynamic(struct state *s)
-{
- int nlen, ndist, ncode; /* number of lengths in descriptor */
- int index; /* index of lengths[] */
- int err; /* construct() return value */
- short lengths[MAXCODES]; /* descriptor code lengths */
- short lencnt[MAXBITS+1], lensym[MAXLCODES]; /* lencode memory */
- short distcnt[MAXBITS+1], distsym[MAXDCODES]; /* distcode memory */
- struct huffman lencode = {lencnt, lensym}; /* length code */
- struct huffman distcode = {distcnt, distsym}; /* distance code */
- static const short order[19] = /* permutation of code length codes */
- {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
-
- /* get number of lengths in each table, check lengths */
- nlen = bits(s, 5) + 257;
- ndist = bits(s, 5) + 1;
- ncode = bits(s, 4) + 4;
- if (nlen > MAXLCODES || ndist > MAXDCODES)
- return -3; /* bad counts */
-
- /* read code length code lengths (really), missing lengths are zero */
- for (index = 0; index < ncode; index++)
- lengths[order[index]] = bits(s, 3);
- for (; index < 19; index++)
- lengths[order[index]] = 0;
-
- /* build huffman table for code lengths codes (use lencode temporarily) */
- err = construct(&lencode, lengths, 19);
- if (err != 0) return -4; /* require complete code set here */
-
- /* read length/literal and distance code length tables */
- index = 0;
- while (index < nlen + ndist) {
- int symbol; /* decoded value */
- int len; /* last length to repeat */
-
- symbol = decode(s, &lencode);
- if (symbol < 16) /* length in 0..15 */
- lengths[index++] = symbol;
- else { /* repeat instruction */
- len = 0; /* assume repeating zeros */
- if (symbol == 16) { /* repeat last length 3..6 times */
- if (index == 0) return -5; /* no last length! */
- len = lengths[index - 1]; /* last length */
- symbol = 3 + bits(s, 2);
- }
- else if (symbol == 17) /* repeat zero 3..10 times */
- symbol = 3 + bits(s, 3);
- else /* == 18, repeat zero 11..138 times */
- symbol = 11 + bits(s, 7);
- if (index + symbol > nlen + ndist)
- return -6; /* too many lengths! */
- while (symbol--) /* repeat last or zero symbol times */
- lengths[index++] = len;
- }
- }
-
- /* build huffman table for literal/length codes */
- err = construct(&lencode, lengths, nlen);
- if (err < 0 || (err > 0 && nlen - lencode.count[0] != 1))
- return -7; /* only allow incomplete codes if just one code */
-
- /* build huffman table for distance codes */
- err = construct(&distcode, lengths + nlen, ndist);
- if (err < 0 || (err > 0 && ndist - distcode.count[0] != 1))
- return -8; /* only allow incomplete codes if just one code */
-
- /* decode data until end-of-block code */
- return codes(s, &lencode, &distcode);
-}
-
-/*
- * Inflate source to dest. On return, destlen and sourcelen are updated to the
- * size of the uncompressed data and the size of the deflate data respectively.
- * On success, the return value of puff() is zero. If there is an error in the
- * source data, i.e. it is not in the deflate format, then a negative value is
- * returned. If there is not enough input available or there is not enough
- * output space, then a positive error is returned. In that case, destlen and
- * sourcelen are not updated to facilitate retrying from the beginning with the
- * provision of more input data or more output space. In the case of invalid
- * inflate data (a negative error), the dest and source pointers are updated to
- * facilitate the debugging of deflators.
- *
- * puff() also has a mode to determine the size of the uncompressed output with
- * no output written. For this dest must be (unsigned char *)0. In this case,
- * the input value of *destlen is ignored, and on return *destlen is set to the
- * size of the uncompressed output.
- *
- * The return codes are:
- *
- * 2: available inflate data did not terminate
- * 1: output space exhausted before completing inflate
- * 0: successful inflate
- * -1: invalid block type (type == 3)
- * -2: stored block length did not match one's complement
- * -3: dynamic block code description: too many length or distance codes
- * -4: dynamic block code description: code lengths codes incomplete
- * -5: dynamic block code description: repeat lengths with no first length
- * -6: dynamic block code description: repeat more than specified lengths
- * -7: dynamic block code description: invalid literal/length code lengths
- * -8: dynamic block code description: invalid distance code lengths
- * -9: invalid literal/length or distance code in fixed or dynamic block
- * -10: distance is too far back in fixed or dynamic block
- *
- * Format notes:
- *
- * - Three bits are read for each block to determine the kind of block and
- * whether or not it is the last block. Then the block is decoded and the
- * process repeated if it was not the last block.
- *
- * - The leftover bits in the last byte of the deflate data after the last
- * block (if it was a fixed or dynamic block) are undefined and have no
- * expected values to check.
- */
-int puff(unsigned char *dest, /* pointer to destination pointer */
- unsigned long *destlen, /* amount of output space */
- unsigned char *source, /* pointer to source data pointer */
- unsigned long *sourcelen) /* amount of input available */
-{
- struct state s; /* input/output state */
- int last, type; /* block information */
- int err; /* return value */
-
- /* initialize output state */
- s.out = dest;
- s.outlen = *destlen; /* ignored if dest is NIL */
- s.outcnt = 0;
-
- /* initialize input state */
- s.in = source;
- s.inlen = *sourcelen;
- s.incnt = 0;
- s.bitbuf = 0;
- s.bitcnt = 0;
-
- /* return if bits() or decode() tries to read past available input */
- if (setjmp(s.env) != 0) /* if came back here via longjmp() */
- err = 2; /* then skip do-loop, return error */
- else {
- /* process blocks until last block or error */
- do {
- last = bits(&s, 1); /* one if last block */
- type = bits(&s, 2); /* block type 0..3 */
- err = type == 0 ? stored(&s) :
- (type == 1 ? fixed(&s) :
- (type == 2 ? dynamic(&s) :
- -1)); /* type == 3, invalid */
- if (err != 0) break; /* return with error */
- } while (!last);
- }
-
- /* update the lengths and return */
- if (err <= 0) {
- *destlen = s.outcnt;
- *sourcelen = s.incnt;
- }
- return err;
-}
-
-#ifdef TEST
-/* Example of how to use puff() */
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-local unsigned char *yank(char *name, unsigned long *len)
-{
- unsigned long size;
- unsigned char *buf;
- FILE *in;
- struct stat s;
-
- *len = 0;
- if (stat(name, &s)) return NULL;
- if ((s.st_mode & S_IFMT) != S_IFREG) return NULL;
- size = (unsigned long)(s.st_size);
- if (size == 0 || (off_t)size != s.st_size) return NULL;
- in = fopen(name, "r");
- if (in == NULL) return NULL;
- buf = malloc(size);
- if (buf != NULL && fread(buf, 1, size, in) != size) {
- free(buf);
- buf = NULL;
- }
- fclose(in);
- *len = size;
- return buf;
-}
-
-int main(int argc, char **argv)
-{
- int ret;
- unsigned char *source;
- unsigned long len, sourcelen, destlen;
-
- if (argc < 2) return 2;
- source = yank(argv[1], &len);
- if (source == NULL) return 2;
- sourcelen = len;
- ret = puff(NIL, &destlen, source, &sourcelen);
- if (ret)
- printf("puff() failed with return code %d\n", ret);
- else {
- printf("puff() succeeded uncompressing %lu bytes\n", destlen);
- if (sourcelen < len) printf("%lu compressed bytes unused\n",
- len - sourcelen);
- }
- free(source);
- return ret;
-}
-#endif
+++ /dev/null
-/* puff.h
- Copyright (C) 2002, 2003 Mark Adler, all rights reserved
- version 1.7, 3 Mar 2002
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the author be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
- Mark Adler madler@alumni.caltech.edu
- */
-
-
-/*
- * See puff.c for purpose and usage.
- */
-int puff(unsigned char *dest, /* pointer to destination pointer */
- unsigned long *destlen, /* amount of output space */
- unsigned char *source, /* pointer to source data pointer */
- unsigned long *sourcelen); /* amount of input available */
+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <windows.h>
-
-#include "zlib.h"
-
-
-void MyDoMinus64(LARGE_INTEGER *R,LARGE_INTEGER A,LARGE_INTEGER B)
-{
- R->HighPart = A.HighPart - B.HighPart;
- if (A.LowPart >= B.LowPart)
- R->LowPart = A.LowPart - B.LowPart;
- else
- {
- R->LowPart = A.LowPart - B.LowPart;
- R->HighPart --;
- }
-}
-
-#ifdef _M_X64
-// see http://msdn2.microsoft.com/library/twchhe95(en-us,vs.80).aspx for __rdtsc
-unsigned __int64 __rdtsc(void);
-void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
-{
- // printf("rdtsc = %I64x\n",__rdtsc());
- pbeginTime64->QuadPart=__rdtsc();
-}
-
-LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
-{
- LARGE_INTEGER LIres;
- unsigned _int64 res=__rdtsc()-((unsigned _int64)(beginTime64.QuadPart));
- LIres.QuadPart=res;
- // printf("rdtsc = %I64x\n",__rdtsc());
- return LIres;
-}
-#else
-#ifdef _M_IX86
-void myGetRDTSC32(LARGE_INTEGER * pbeginTime64)
-{
- DWORD dwEdx,dwEax;
- _asm
- {
- rdtsc
- mov dwEax,eax
- mov dwEdx,edx
- }
- pbeginTime64->LowPart=dwEax;
- pbeginTime64->HighPart=dwEdx;
-}
-
-void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
-{
- myGetRDTSC32(pbeginTime64);
-}
-
-LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
-{
- LARGE_INTEGER LIres,endTime64;
- myGetRDTSC32(&endTime64);
-
- LIres.LowPart=LIres.HighPart=0;
- MyDoMinus64(&LIres,endTime64,beginTime64);
- return LIres;
-}
-#else
-void myGetRDTSC32(LARGE_INTEGER * pbeginTime64)
-{
-}
-
-void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
-{
-}
-
-LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
-{
- LARGE_INTEGER lr;
- lr.QuadPart=0;
- return lr;
-}
-#endif
-#endif
-
-void BeginCountPerfCounter(LARGE_INTEGER * pbeginTime64,BOOL fComputeTimeQueryPerf)
-{
- if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(pbeginTime64)))
- {
- pbeginTime64->LowPart = GetTickCount();
- pbeginTime64->HighPart = 0;
- }
-}
-
-DWORD GetMsecSincePerfCounter(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
-{
- LARGE_INTEGER endTime64,ticksPerSecond,ticks;
- DWORDLONG ticksShifted,tickSecShifted;
- DWORD dwLog=16+0;
- DWORD dwRet;
- if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(&endTime64)))
- dwRet = (GetTickCount() - beginTime64.LowPart)*1;
- else
- {
- MyDoMinus64(&ticks,endTime64,beginTime64);
- QueryPerformanceFrequency(&ticksPerSecond);
-
-
- {
- ticksShifted = Int64ShrlMod32(*(DWORDLONG*)&ticks,dwLog);
- tickSecShifted = Int64ShrlMod32(*(DWORDLONG*)&ticksPerSecond,dwLog);
-
- }
-
- dwRet = (DWORD)((((DWORD)ticksShifted)*1000)/(DWORD)(tickSecShifted));
- dwRet *=1;
- }
- return dwRet;
-}
-
-int ReadFileMemory(const char* filename,long* plFileSize,void** pFilePtr)
-{
- FILE* stream;
- void* ptr;
- int retVal=1;
- stream=fopen(filename, "rb");
- if (stream==NULL)
- return 0;
-
- fseek(stream,0,SEEK_END);
-
- *plFileSize=ftell(stream);
- fseek(stream,0,SEEK_SET);
- ptr=malloc((*plFileSize)+1);
- if (ptr==NULL)
- retVal=0;
- else
- {
- if (fread(ptr, 1, *plFileSize,stream) != (*plFileSize))
- retVal=0;
- }
- fclose(stream);
- *pFilePtr=ptr;
- return retVal;
-}
-
-int main(int argc, char *argv[])
-{
- int BlockSizeCompress=0x8000;
- int BlockSizeUncompress=0x8000;
- int cprLevel=Z_DEFAULT_COMPRESSION ;
- long lFileSize;
- unsigned char* FilePtr;
- long lBufferSizeCpr;
- long lBufferSizeUncpr;
- long lCompressedSize=0;
- unsigned char* CprPtr;
- unsigned char* UncprPtr;
- long lSizeCpr,lSizeUncpr;
- DWORD dwGetTick,dwMsecQP;
- LARGE_INTEGER li_qp,li_rdtsc,dwResRdtsc;
-
- if (argc<=1)
- {
- printf("run TestZlib <File> [BlockSizeCompress] [BlockSizeUncompress] [compres. level]\n");
- return 0;
- }
-
- if (ReadFileMemory(argv[1],&lFileSize,&FilePtr)==0)
- {
- printf("error reading %s\n",argv[1]);
- return 1;
- }
- else printf("file %s read, %u bytes\n",argv[1],lFileSize);
-
- if (argc>=3)
- BlockSizeCompress=atol(argv[2]);
-
- if (argc>=4)
- BlockSizeUncompress=atol(argv[3]);
-
- if (argc>=5)
- cprLevel=(int)atol(argv[4]);
-
- lBufferSizeCpr = lFileSize + (lFileSize/0x10) + 0x200;
- lBufferSizeUncpr = lBufferSizeCpr;
-
- CprPtr=(unsigned char*)malloc(lBufferSizeCpr + BlockSizeCompress);
-
- BeginCountPerfCounter(&li_qp,TRUE);
- dwGetTick=GetTickCount();
- BeginCountRdtsc(&li_rdtsc);
- {
- z_stream zcpr;
- int ret=Z_OK;
- long lOrigToDo = lFileSize;
- long lOrigDone = 0;
- int step=0;
- memset(&zcpr,0,sizeof(z_stream));
- deflateInit(&zcpr,cprLevel);
-
- zcpr.next_in = FilePtr;
- zcpr.next_out = CprPtr;
-
-
- do
- {
- long all_read_before = zcpr.total_in;
- zcpr.avail_in = min(lOrigToDo,BlockSizeCompress);
- zcpr.avail_out = BlockSizeCompress;
- ret=deflate(&zcpr,(zcpr.avail_in==lOrigToDo) ? Z_FINISH : Z_SYNC_FLUSH);
- lOrigDone += (zcpr.total_in-all_read_before);
- lOrigToDo -= (zcpr.total_in-all_read_before);
- step++;
- } while (ret==Z_OK);
-
- lSizeCpr=zcpr.total_out;
- deflateEnd(&zcpr);
- dwGetTick=GetTickCount()-dwGetTick;
- dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE);
- dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE);
- printf("total compress size = %u, in %u step\n",lSizeCpr,step);
- printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.);
- printf("defcpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.);
- printf("defcpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart);
- }
-
- CprPtr=(unsigned char*)realloc(CprPtr,lSizeCpr);
- UncprPtr=(unsigned char*)malloc(lBufferSizeUncpr + BlockSizeUncompress);
-
- BeginCountPerfCounter(&li_qp,TRUE);
- dwGetTick=GetTickCount();
- BeginCountRdtsc(&li_rdtsc);
- {
- z_stream zcpr;
- int ret=Z_OK;
- long lOrigToDo = lSizeCpr;
- long lOrigDone = 0;
- int step=0;
- memset(&zcpr,0,sizeof(z_stream));
- inflateInit(&zcpr);
-
- zcpr.next_in = CprPtr;
- zcpr.next_out = UncprPtr;
-
-
- do
- {
- long all_read_before = zcpr.total_in;
- zcpr.avail_in = min(lOrigToDo,BlockSizeUncompress);
- zcpr.avail_out = BlockSizeUncompress;
- ret=inflate(&zcpr,Z_SYNC_FLUSH);
- lOrigDone += (zcpr.total_in-all_read_before);
- lOrigToDo -= (zcpr.total_in-all_read_before);
- step++;
- } while (ret==Z_OK);
-
- lSizeUncpr=zcpr.total_out;
- inflateEnd(&zcpr);
- dwGetTick=GetTickCount()-dwGetTick;
- dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE);
- dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE);
- printf("total uncompress size = %u, in %u step\n",lSizeUncpr,step);
- printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.);
- printf("uncpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.);
- printf("uncpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart);
- }
-
- if (lSizeUncpr==lFileSize)
- {
- if (memcmp(FilePtr,UncprPtr,lFileSize)==0)
- printf("compare ok\n");
-
- }
-
- return 0;
-}
+++ /dev/null
-To build testzLib with Visual Studio 2005:
-
-copy to a directory file from :
-- root of zLib tree
-- contrib/testzlib
-- contrib/masmx86
-- contrib/masmx64
-- contrib/vstudio/vc7
-
-and open testzlib8.sln
\ No newline at end of file
+++ /dev/null
-CC=cl
-CFLAGS=-MD
-
-untgz.exe: untgz.obj ..\..\zlib.lib
- $(CC) $(CFLAGS) untgz.obj ..\..\zlib.lib
-
-untgz.obj: untgz.c ..\..\zlib.h
- $(CC) $(CFLAGS) -c -I..\.. untgz.c
-
-..\..\zlib.lib:
- cd ..\..
- $(MAKE) -f win32\makefile.msc
- cd contrib\untgz
-
-clean:
- -del untgz.obj
- -del untgz.exe
+++ /dev/null
-/*
- * untgz.c -- Display contents and extract files from a gzip'd TAR file
- *
- * written by Pedro A. Aranda Gutierrez <paag@tid.es>
- * adaptation to Unix by Jean-loup Gailly <jloup@gzip.org>
- * various fixes by Cosmin Truta <cosmint@cs.ubbcluj.ro>
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-
-#include "zlib.h"
-
-#ifdef unix
-# include <unistd.h>
-#else
-# include <direct.h>
-# include <io.h>
-#endif
-
-#ifdef WIN32
-#include <windows.h>
-# ifndef F_OK
-# define F_OK 0
-# endif
-# define mkdir(dirname,mode) _mkdir(dirname)
-# ifdef _MSC_VER
-# define access(path,mode) _access(path,mode)
-# define chmod(path,mode) _chmod(path,mode)
-# define strdup(str) _strdup(str)
-# endif
-#include <windows.h>
-#else
-# include <utime.h>
-#endif
-#include <time.h>
-
-
-/* values used in typeflag field */
-
-#define REGTYPE '0' /* regular file */
-#define AREGTYPE '\0' /* regular file */
-#define LNKTYPE '1' /* link */
-#define SYMTYPE '2' /* reserved */
-#define CHRTYPE '3' /* character special */
-#define BLKTYPE '4' /* block special */
-#define DIRTYPE '5' /* directory */
-#define FIFOTYPE '6' /* FIFO special */
-#define CONTTYPE '7' /* reserved */
-
-/* GNU tar extensions */
-
-#define GNUTYPE_DUMPDIR 'D' /* file names from dumped directory */
-#define GNUTYPE_LONGLINK 'K' /* long link name */
-#define GNUTYPE_LONGNAME 'L' /* long file name */
-#define GNUTYPE_MULTIVOL 'M' /* continuation of file from another volume */
-#define GNUTYPE_NAMES 'N' /* file name that does not fit into main hdr */
-#define GNUTYPE_SPARSE 'S' /* sparse file */
-#define GNUTYPE_VOLHDR 'V' /* tape/volume header */
-
-
-/* tar header */
-
-#define BLOCKSIZE 512
-#define SHORTNAMESIZE 100
-
-struct tar_header
-{ /* byte offset */
- char name[100]; /* 0 */
- char mode[8]; /* 100 */
- char uid[8]; /* 108 */
- char gid[8]; /* 116 */
- char size[12]; /* 124 */
- char mtime[12]; /* 136 */
- char chksum[8]; /* 148 */
- char typeflag; /* 156 */
- char linkname[100]; /* 157 */
- char magic[6]; /* 257 */
- char version[2]; /* 263 */
- char uname[32]; /* 265 */
- char gname[32]; /* 297 */
- char devmajor[8]; /* 329 */
- char devminor[8]; /* 337 */
- char prefix[155]; /* 345 */
- /* 500 */
-};
-
-union tar_buffer
-{
- char buffer[BLOCKSIZE];
- struct tar_header header;
-};
-
-struct attr_item
-{
- struct attr_item *next;
- char *fname;
- int mode;
- time_t time;
-};
-
-enum { TGZ_EXTRACT, TGZ_LIST, TGZ_INVALID };
-
-char *TGZfname OF((const char *));
-void TGZnotfound OF((const char *));
-
-int getoct OF((char *, int));
-char *strtime OF((time_t *));
-int setfiletime OF((char *, time_t));
-void push_attr OF((struct attr_item **, char *, int, time_t));
-void restore_attr OF((struct attr_item **));
-
-int ExprMatch OF((char *, char *));
-
-int makedir OF((char *));
-int matchname OF((int, int, char **, char *));
-
-void error OF((const char *));
-int tar OF((gzFile, int, int, int, char **));
-
-void help OF((int));
-int main OF((int, char **));
-
-char *prog;
-
-const char *TGZsuffix[] = { "\0", ".tar", ".tar.gz", ".taz", ".tgz", NULL };
-
-/* return the file name of the TGZ archive */
-/* or NULL if it does not exist */
-
-char *TGZfname (const char *arcname)
-{
- static char buffer[1024];
- int origlen,i;
-
- strcpy(buffer,arcname);
- origlen = strlen(buffer);
-
- for (i=0; TGZsuffix[i]; i++)
- {
- strcpy(buffer+origlen,TGZsuffix[i]);
- if (access(buffer,F_OK) == 0)
- return buffer;
- }
- return NULL;
-}
-
-
-/* error message for the filename */
-
-void TGZnotfound (const char *arcname)
-{
- int i;
-
- fprintf(stderr,"%s: Couldn't find ",prog);
- for (i=0;TGZsuffix[i];i++)
- fprintf(stderr,(TGZsuffix[i+1]) ? "%s%s, " : "or %s%s\n",
- arcname,
- TGZsuffix[i]);
- exit(1);
-}
-
-
-/* convert octal digits to int */
-/* on error return -1 */
-
-int getoct (char *p,int width)
-{
- int result = 0;
- char c;
-
- while (width--)
- {
- c = *p++;
- if (c == 0)
- break;
- if (c == ' ')
- continue;
- if (c < '0' || c > '7')
- return -1;
- result = result * 8 + (c - '0');
- }
- return result;
-}
-
-
-/* convert time_t to string */
-/* use the "YYYY/MM/DD hh:mm:ss" format */
-
-char *strtime (time_t *t)
-{
- struct tm *local;
- static char result[32];
-
- local = localtime(t);
- sprintf(result,"%4d/%02d/%02d %02d:%02d:%02d",
- local->tm_year+1900, local->tm_mon+1, local->tm_mday,
- local->tm_hour, local->tm_min, local->tm_sec);
- return result;
-}
-
-
-/* set file time */
-
-int setfiletime (char *fname,time_t ftime)
-{
-#ifdef WIN32
- static int isWinNT = -1;
- SYSTEMTIME st;
- FILETIME locft, modft;
- struct tm *loctm;
- HANDLE hFile;
- int result;
-
- loctm = localtime(&ftime);
- if (loctm == NULL)
- return -1;
-
- st.wYear = (WORD)loctm->tm_year + 1900;
- st.wMonth = (WORD)loctm->tm_mon + 1;
- st.wDayOfWeek = (WORD)loctm->tm_wday;
- st.wDay = (WORD)loctm->tm_mday;
- st.wHour = (WORD)loctm->tm_hour;
- st.wMinute = (WORD)loctm->tm_min;
- st.wSecond = (WORD)loctm->tm_sec;
- st.wMilliseconds = 0;
- if (!SystemTimeToFileTime(&st, &locft) ||
- !LocalFileTimeToFileTime(&locft, &modft))
- return -1;
-
- if (isWinNT < 0)
- isWinNT = (GetVersion() < 0x80000000) ? 1 : 0;
- hFile = CreateFile(fname, GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
- (isWinNT ? FILE_FLAG_BACKUP_SEMANTICS : 0),
- NULL);
- if (hFile == INVALID_HANDLE_VALUE)
- return -1;
- result = SetFileTime(hFile, NULL, NULL, &modft) ? 0 : -1;
- CloseHandle(hFile);
- return result;
-#else
- struct utimbuf settime;
-
- settime.actime = settime.modtime = ftime;
- return utime(fname,&settime);
-#endif
-}
-
-
-/* push file attributes */
-
-void push_attr(struct attr_item **list,char *fname,int mode,time_t time)
-{
- struct attr_item *item;
-
- item = (struct attr_item *)malloc(sizeof(struct attr_item));
- if (item == NULL)
- error("Out of memory");
- item->fname = strdup(fname);
- item->mode = mode;
- item->time = time;
- item->next = *list;
- *list = item;
-}
-
-
-/* restore file attributes */
-
-void restore_attr(struct attr_item **list)
-{
- struct attr_item *item, *prev;
-
- for (item = *list; item != NULL; )
- {
- setfiletime(item->fname,item->time);
- chmod(item->fname,item->mode);
- prev = item;
- item = item->next;
- free(prev);
- }
- *list = NULL;
-}
-
-
-/* match regular expression */
-
-#define ISSPECIAL(c) (((c) == '*') || ((c) == '/'))
-
-int ExprMatch (char *string,char *expr)
-{
- while (1)
- {
- if (ISSPECIAL(*expr))
- {
- if (*expr == '/')
- {
- if (*string != '\\' && *string != '/')
- return 0;
- string ++; expr++;
- }
- else if (*expr == '*')
- {
- if (*expr ++ == 0)
- return 1;
- while (*++string != *expr)
- if (*string == 0)
- return 0;
- }
- }
- else
- {
- if (*string != *expr)
- return 0;
- if (*expr++ == 0)
- return 1;
- string++;
- }
- }
-}
-
-
-/* recursive mkdir */
-/* abort on ENOENT; ignore other errors like "directory already exists" */
-/* return 1 if OK */
-/* 0 on error */
-
-int makedir (char *newdir)
-{
- char *buffer = strdup(newdir);
- char *p;
- int len = strlen(buffer);
-
- if (len <= 0) {
- free(buffer);
- return 0;
- }
- if (buffer[len-1] == '/') {
- buffer[len-1] = '\0';
- }
- if (mkdir(buffer, 0755) == 0)
- {
- free(buffer);
- return 1;
- }
-
- p = buffer+1;
- while (1)
- {
- char hold;
-
- while(*p && *p != '\\' && *p != '/')
- p++;
- hold = *p;
- *p = 0;
- if ((mkdir(buffer, 0755) == -1) && (errno == ENOENT))
- {
- fprintf(stderr,"%s: Couldn't create directory %s\n",prog,buffer);
- free(buffer);
- return 0;
- }
- if (hold == 0)
- break;
- *p++ = hold;
- }
- free(buffer);
- return 1;
-}
-
-
-int matchname (int arg,int argc,char **argv,char *fname)
-{
- if (arg == argc) /* no arguments given (untgz tgzarchive) */
- return 1;
-
- while (arg < argc)
- if (ExprMatch(fname,argv[arg++]))
- return 1;
-
- return 0; /* ignore this for the moment being */
-}
-
-
-/* tar file list or extract */
-
-int tar (gzFile in,int action,int arg,int argc,char **argv)
-{
- union tar_buffer buffer;
- int len;
- int err;
- int getheader = 1;
- int remaining = 0;
- FILE *outfile = NULL;
- char fname[BLOCKSIZE];
- int tarmode;
- time_t tartime;
- struct attr_item *attributes = NULL;
-
- if (action == TGZ_LIST)
- printf(" date time size file\n"
- " ---------- -------- --------- -------------------------------------\n");
- while (1)
- {
- len = gzread(in, &buffer, BLOCKSIZE);
- if (len < 0)
- error(gzerror(in, &err));
- /*
- * Always expect complete blocks to process
- * the tar information.
- */
- if (len != BLOCKSIZE)
- {
- action = TGZ_INVALID; /* force error exit */
- remaining = 0; /* force I/O cleanup */
- }
-
- /*
- * If we have to get a tar header
- */
- if (getheader >= 1)
- {
- /*
- * if we met the end of the tar
- * or the end-of-tar block,
- * we are done
- */
- if (len == 0 || buffer.header.name[0] == 0)
- break;
-
- tarmode = getoct(buffer.header.mode,8);
- tartime = (time_t)getoct(buffer.header.mtime,12);
- if (tarmode == -1 || tartime == (time_t)-1)
- {
- buffer.header.name[0] = 0;
- action = TGZ_INVALID;
- }
-
- if (getheader == 1)
- {
- strncpy(fname,buffer.header.name,SHORTNAMESIZE);
- if (fname[SHORTNAMESIZE-1] != 0)
- fname[SHORTNAMESIZE] = 0;
- }
- else
- {
- /*
- * The file name is longer than SHORTNAMESIZE
- */
- if (strncmp(fname,buffer.header.name,SHORTNAMESIZE-1) != 0)
- error("bad long name");
- getheader = 1;
- }
-
- /*
- * Act according to the type flag
- */
- switch (buffer.header.typeflag)
- {
- case DIRTYPE:
- if (action == TGZ_LIST)
- printf(" %s <dir> %s\n",strtime(&tartime),fname);
- if (action == TGZ_EXTRACT)
- {
- makedir(fname);
- push_attr(&attributes,fname,tarmode,tartime);
- }
- break;
- case REGTYPE:
- case AREGTYPE:
- remaining = getoct(buffer.header.size,12);
- if (remaining == -1)
- {
- action = TGZ_INVALID;
- break;
- }
- if (action == TGZ_LIST)
- printf(" %s %9d %s\n",strtime(&tartime),remaining,fname);
- else if (action == TGZ_EXTRACT)
- {
- if (matchname(arg,argc,argv,fname))
- {
- outfile = fopen(fname,"wb");
- if (outfile == NULL) {
- /* try creating directory */
- char *p = strrchr(fname, '/');
- if (p != NULL) {
- *p = '\0';
- makedir(fname);
- *p = '/';
- outfile = fopen(fname,"wb");
- }
- }
- if (outfile != NULL)
- printf("Extracting %s\n",fname);
- else
- fprintf(stderr, "%s: Couldn't create %s",prog,fname);
- }
- else
- outfile = NULL;
- }
- getheader = 0;
- break;
- case GNUTYPE_LONGLINK:
- case GNUTYPE_LONGNAME:
- remaining = getoct(buffer.header.size,12);
- if (remaining < 0 || remaining >= BLOCKSIZE)
- {
- action = TGZ_INVALID;
- break;
- }
- len = gzread(in, fname, BLOCKSIZE);
- if (len < 0)
- error(gzerror(in, &err));
- if (fname[BLOCKSIZE-1] != 0 || (int)strlen(fname) > remaining)
- {
- action = TGZ_INVALID;
- break;
- }
- getheader = 2;
- break;
- default:
- if (action == TGZ_LIST)
- printf(" %s <---> %s\n",strtime(&tartime),fname);
- break;
- }
- }
- else
- {
- unsigned int bytes = (remaining > BLOCKSIZE) ? BLOCKSIZE : remaining;
-
- if (outfile != NULL)
- {
- if (fwrite(&buffer,sizeof(char),bytes,outfile) != bytes)
- {
- fprintf(stderr,
- "%s: Error writing %s -- skipping\n",prog,fname);
- fclose(outfile);
- outfile = NULL;
- remove(fname);
- }
- }
- remaining -= bytes;
- }
-
- if (remaining == 0)
- {
- getheader = 1;
- if (outfile != NULL)
- {
- fclose(outfile);
- outfile = NULL;
- if (action != TGZ_INVALID)
- push_attr(&attributes,fname,tarmode,tartime);
- }
- }
-
- /*
- * Abandon if errors are found
- */
- if (action == TGZ_INVALID)
- {
- error("broken archive");
- break;
- }
- }
-
- /*
- * Restore file modes and time stamps
- */
- restore_attr(&attributes);
-
- if (gzclose(in) != Z_OK)
- error("failed gzclose");
-
- return 0;
-}
-
-
-/* ============================================================ */
-
-void help(int exitval)
-{
- printf("untgz version 0.2.1\n"
- " using zlib version %s\n\n",
- zlibVersion());
- printf("Usage: untgz file.tgz extract all files\n"
- " untgz file.tgz fname ... extract selected files\n"
- " untgz -l file.tgz list archive contents\n"
- " untgz -h display this help\n");
- exit(exitval);
-}
-
-void error(const char *msg)
-{
- fprintf(stderr, "%s: %s\n", prog, msg);
- exit(1);
-}
-
-
-/* ============================================================ */
-
-#if defined(WIN32) && defined(__GNUC__)
-int _CRT_glob = 0; /* disable argument globbing in MinGW */
-#endif
-
-int main(int argc,char **argv)
-{
- int action = TGZ_EXTRACT;
- int arg = 1;
- char *TGZfile;
- gzFile *f;
-
- prog = strrchr(argv[0],'\\');
- if (prog == NULL)
- {
- prog = strrchr(argv[0],'/');
- if (prog == NULL)
- {
- prog = strrchr(argv[0],':');
- if (prog == NULL)
- prog = argv[0];
- else
- prog++;
- }
- else
- prog++;
- }
- else
- prog++;
-
- if (argc == 1)
- help(0);
-
- if (strcmp(argv[arg],"-l") == 0)
- {
- action = TGZ_LIST;
- if (argc == ++arg)
- help(0);
- }
- else if (strcmp(argv[arg],"-h") == 0)
- {
- help(0);
- }
-
- if ((TGZfile = TGZfname(argv[arg])) == NULL)
- TGZnotfound(argv[arg]);
-
- ++arg;
- if ((action == TGZ_LIST) && (arg != argc))
- help(1);
-
-/*
- * Process the TGZ file
- */
- switch(action)
- {
- case TGZ_LIST:
- case TGZ_EXTRACT:
- f = gzopen(TGZfile,"rb");
- if (f == NULL)
- {
- fprintf(stderr,"%s: Couldn't gzopen %s\n",prog,TGZfile);
- return 1;
- }
- exit(tar(f, action, arg, argc, argv));
- break;
-
- default:
- error("Unknown option");
- exit(1);
- }
-
- return 0;
-}
+++ /dev/null
-Building instructions for the DLL versions of Zlib 1.2.3
-========================================================
-
-This directory contains projects that build zlib and minizip using
-Microsoft Visual C++ 7.0/7.1, and Visual C++ .
-
-You don't need to build these projects yourself. You can download the
-binaries from:
- http://www.winimage.com/zLibDll
-
-More information can be found at this site.
-
-
-Build instructions for Visual Studio 7.x (32 bits)
---------------------------------------------------
-- Uncompress current zlib, including all contrib/* files
-- Download the crtdll library from
- http://www.winimage.com/zLibDll/crtdll.zip
- Unzip crtdll.zip to extract crtdll.lib on contrib\vstudio\vc7.
-- Open contrib\vstudio\vc7\zlibvc.sln with Microsoft Visual C++ 7.x
- (Visual Studio .Net 2002 or 2003).
-
-Build instructions for Visual Studio 2005 (32 bits or 64 bits)
---------------------------------------------------------------
-- Uncompress current zlib, including all contrib/* files
-- For 32 bits only: download the crtdll library from
- http://www.winimage.com/zLibDll/crtdll.zip
- Unzip crtdll.zip to extract crtdll.lib on contrib\vstudio\vc8.
-- Open contrib\vstudio\vc8\zlibvc.sln with Microsoft Visual C++ 8.0
-
-Build instructions for Visual Studio 2005 64 bits, PSDK compiler
-----------------------------------------------------------------
-at the time of writing this text file, Visual Studio 2005 (and
- Microsoft Visual C++ 8.0) is on the beta 2 stage.
-Using you can get the free 64 bits compiler from Platform SDK,
- which is NOT a beta, and compile using the Visual studio 2005 IDE
-see http://www.winimage.com/misc/sdk64onvs2005/ for instruction
-
-- Uncompress current zlib, including all contrib/* files
-- start Visual Studio 2005 from a platform SDK command prompt, using
- the /useenv switch
-- Open contrib\vstudio\vc8\zlibvc.sln with Microsoft Visual C++ 8.0
-
-
-Important
----------
-- To use zlibwapi.dll in your application, you must define the
- macro ZLIB_WINAPI when compiling your application's source files.
-
-
-Additional notes
-----------------
-- This DLL, named zlibwapi.dll, is compatible to the old zlib.dll built
- by Gilles Vollant from the zlib 1.1.x sources, and distributed at
- http://www.winimage.com/zLibDll
- It uses the WINAPI calling convention for the exported functions, and
- includes the minizip functionality. If your application needs that
- particular build of zlib.dll, you can rename zlibwapi.dll to zlib.dll.
-
-- The new DLL was renamed because there exist several incompatible
- versions of zlib.dll on the Internet.
-
-- There is also an official DLL build of zlib, named zlib1.dll. This one
- is exporting the functions using the CDECL convention. See the file
- win32\DLL_FAQ.txt found in this zlib distribution.
-
-- There used to be a ZLIB_DLL macro in zlib 1.1.x, but now this symbol
- has a slightly different effect. To avoid compatibility problems, do
- not define it here.
-
-
-Gilles Vollant
-info@winimage.com
+++ /dev/null
-#include <windows.h>
-
-#define IDR_VERSION1 1
-IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
- FILEVERSION 1,2,3,0
- PRODUCTVERSION 1,2,3,0
- FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
- FILEFLAGS 0
- FILEOS VOS_DOS_WINDOWS32
- FILETYPE VFT_DLL
- FILESUBTYPE 0 // not used
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN
- BLOCK "040904E4"
- //language ID = U.S. English, char set = Windows, Multilingual
-
- BEGIN
- VALUE "FileDescription", "zlib data compression library\0"
- VALUE "FileVersion", "1.2.3.0\0"
- VALUE "InternalName", "zlib\0"
- VALUE "OriginalFilename", "zlib.dll\0"
- VALUE "ProductName", "ZLib.DLL\0"
- VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
- VALUE "LegalCopyright", "(C) 1995-2003 Jean-loup Gailly & Mark Adler\0"
- END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x0409, 1252
- END
-END
+++ /dev/null
-
-VERSION 1.23
-
-HEAPSIZE 1048576,8192
-
-EXPORTS
- adler32 @1
- compress @2
- crc32 @3
- deflate @4
- deflateCopy @5
- deflateEnd @6
- deflateInit2_ @7
- deflateInit_ @8
- deflateParams @9
- deflateReset @10
- deflateSetDictionary @11
- gzclose @12
- gzdopen @13
- gzerror @14
- gzflush @15
- gzopen @16
- gzread @17
- gzwrite @18
- inflate @19
- inflateEnd @20
- inflateInit2_ @21
- inflateInit_ @22
- inflateReset @23
- inflateSetDictionary @24
- inflateSync @25
- uncompress @26
- zlibVersion @27
- gzprintf @28
- gzputc @29
- gzgetc @30
- gzseek @31
- gzrewind @32
- gztell @33
- gzeof @34
- gzsetparams @35
- zError @36
- inflateSyncPoint @37
- get_crc_table @38
- compress2 @39
- gzputs @40
- gzgets @41
- inflateCopy @42
- inflateBackInit_ @43
- inflateBack @44
- inflateBackEnd @45
- compressBound @46
- deflateBound @47
- gzclearerr @48
- gzungetc @49
- zlibCompileFlags @50
- deflatePrime @51
-
- unzOpen @61
- unzClose @62
- unzGetGlobalInfo @63
- unzGetCurrentFileInfo @64
- unzGoToFirstFile @65
- unzGoToNextFile @66
- unzOpenCurrentFile @67
- unzReadCurrentFile @68
- unzOpenCurrentFile3 @69
- unztell @70
- unzeof @71
- unzCloseCurrentFile @72
- unzGetGlobalComment @73
- unzStringFileNameCompare @74
- unzLocateFile @75
- unzGetLocalExtrafield @76
- unzOpen2 @77
- unzOpenCurrentFile2 @78
- unzOpenCurrentFilePassword @79
-
- zipOpen @80
- zipOpenNewFileInZip @81
- zipWriteInFileInZip @82
- zipCloseFileInZip @83
- zipClose @84
- zipOpenNewFileInZip2 @86
- zipCloseFileInZipRaw @87
- zipOpen2 @88
- zipOpenNewFileInZip3 @89
-
- unzGetFilePos @100
- unzGoToFilePos @101
-
- fill_win32_filefunc @110
+++ /dev/null
-#include <windows.h>
-
-#define IDR_VERSION1 1
-IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
- FILEVERSION 1,2,3,0
- PRODUCTVERSION 1,2,3,0
- FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
- FILEFLAGS 0
- FILEOS VOS_DOS_WINDOWS32
- FILETYPE VFT_DLL
- FILESUBTYPE 0 // not used
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN
- BLOCK "040904E4"
- //language ID = U.S. English, char set = Windows, Multilingual
-
- BEGIN
- VALUE "FileDescription", "zlib data compression library\0"
- VALUE "FileVersion", "1.2.3.0\0"
- VALUE "InternalName", "zlib\0"
- VALUE "OriginalFilename", "zlib.dll\0"
- VALUE "ProductName", "ZLib.DLL\0"
- VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
- VALUE "LegalCopyright", "(C) 1995-2003 Jean-loup Gailly & Mark Adler\0"
- END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x0409, 1252
- END
-END
+++ /dev/null
-
-VERSION 1.23
-
-HEAPSIZE 1048576,8192
-
-EXPORTS
- adler32 @1
- compress @2
- crc32 @3
- deflate @4
- deflateCopy @5
- deflateEnd @6
- deflateInit2_ @7
- deflateInit_ @8
- deflateParams @9
- deflateReset @10
- deflateSetDictionary @11
- gzclose @12
- gzdopen @13
- gzerror @14
- gzflush @15
- gzopen @16
- gzread @17
- gzwrite @18
- inflate @19
- inflateEnd @20
- inflateInit2_ @21
- inflateInit_ @22
- inflateReset @23
- inflateSetDictionary @24
- inflateSync @25
- uncompress @26
- zlibVersion @27
- gzprintf @28
- gzputc @29
- gzgetc @30
- gzseek @31
- gzrewind @32
- gztell @33
- gzeof @34
- gzsetparams @35
- zError @36
- inflateSyncPoint @37
- get_crc_table @38
- compress2 @39
- gzputs @40
- gzgets @41
- inflateCopy @42
- inflateBackInit_ @43
- inflateBack @44
- inflateBackEnd @45
- compressBound @46
- deflateBound @47
- gzclearerr @48
- gzungetc @49
- zlibCompileFlags @50
- deflatePrime @51
-
- unzOpen @61
- unzClose @62
- unzGetGlobalInfo @63
- unzGetCurrentFileInfo @64
- unzGoToFirstFile @65
- unzGoToNextFile @66
- unzOpenCurrentFile @67
- unzReadCurrentFile @68
- unzOpenCurrentFile3 @69
- unztell @70
- unzeof @71
- unzCloseCurrentFile @72
- unzGetGlobalComment @73
- unzStringFileNameCompare @74
- unzLocateFile @75
- unzGetLocalExtrafield @76
- unzOpen2 @77
- unzOpenCurrentFile2 @78
- unzOpenCurrentFilePassword @79
-
- zipOpen @80
- zipOpenNewFileInZip @81
- zipWriteInFileInZip @82
- zipCloseFileInZip @83
- zipClose @84
- zipOpenNewFileInZip2 @86
- zipCloseFileInZipRaw @87
- zipOpen2 @88
- zipOpenNewFileInZip3 @89
-
- unzGetFilePos @100
- unzGoToFilePos @101
-
- fill_win32_filefunc @110
+++ /dev/null
-/* crc32.c -- compute the CRC-32 of a data stream
- * Copyright (C) 1995-2005 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- *
- * Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster
- * CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing
- * tables for updating the shift register in one step with three exclusive-ors
- * instead of four steps with four exclusive-ors. This results in about a
- * factor of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3.
- */
-
-/* @(#) $Id$ */
-
-/*
- Note on the use of DYNAMIC_CRC_TABLE: there is no mutex or semaphore
- protection on the static variables used to control the first-use generation
- of the crc tables. Therefore, if you #define DYNAMIC_CRC_TABLE, you should
- first call get_crc_table() to initialize the tables before allowing more than
- one thread to use crc32().
- */
-
-#ifdef MAKECRCH
-# include <stdio.h>
-# ifndef DYNAMIC_CRC_TABLE
-# define DYNAMIC_CRC_TABLE
-# endif /* !DYNAMIC_CRC_TABLE */
-#endif /* MAKECRCH */
-
-#include "zutil.h" /* for STDC and FAR definitions */
-
-#define local static
-
-/* Find a four-byte integer type for crc32_little() and crc32_big(). */
-#ifndef NOBYFOUR
-# ifdef STDC /* need ANSI C limits.h to determine sizes */
-# include <limits.h>
-# define BYFOUR
-# if (UINT_MAX == 0xffffffffUL)
- typedef unsigned int u4;
-# else
-# if (ULONG_MAX == 0xffffffffUL)
- typedef unsigned long u4;
-# else
-# if (USHRT_MAX == 0xffffffffUL)
- typedef unsigned short u4;
-# else
-# undef BYFOUR /* can't find a four-byte integer type! */
-# endif
-# endif
-# endif
-# endif /* STDC */
-#endif /* !NOBYFOUR */
-
-/* Definitions for doing the crc four data bytes at a time. */
-#ifdef BYFOUR
-# define REV(w) (((w)>>24)+(((w)>>8)&0xff00)+ \
- (((w)&0xff00)<<8)+(((w)&0xff)<<24))
- local unsigned long crc32_little OF((unsigned long,
- const unsigned char FAR *, unsigned));
- local unsigned long crc32_big OF((unsigned long,
- const unsigned char FAR *, unsigned));
-# define TBLS 8
-#else
-# define TBLS 1
-#endif /* BYFOUR */
-
-/* Local functions for crc concatenation */
-local unsigned long gf2_matrix_times OF((unsigned long *mat,
- unsigned long vec));
-local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat));
-
-#ifdef DYNAMIC_CRC_TABLE
-
-local volatile int crc_table_empty = 1;
-local unsigned long FAR crc_table[TBLS][256];
-local void make_crc_table OF((void));
-#ifdef MAKECRCH
- local void write_table OF((FILE *, const unsigned long FAR *));
-#endif /* MAKECRCH */
-/*
- Generate tables for a byte-wise 32-bit CRC calculation on the polynomial:
- x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
-
- Polynomials over GF(2) are represented in binary, one bit per coefficient,
- with the lowest powers in the most significant bit. Then adding polynomials
- is just exclusive-or, and multiplying a polynomial by x is a right shift by
- one. If we call the above polynomial p, and represent a byte as the
- polynomial q, also with the lowest power in the most significant bit (so the
- byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p,
- where a mod b means the remainder after dividing a by b.
-
- This calculation is done using the shift-register method of multiplying and
- taking the remainder. The register is initialized to zero, and for each
- incoming bit, x^32 is added mod p to the register if the bit is a one (where
- x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by
- x (which is shifting right by one and adding x^32 mod p if the bit shifted
- out is a one). We start with the highest power (least significant bit) of
- q and repeat for all eight bits of q.
-
- The first table is simply the CRC of all possible eight bit values. This is
- all the information needed to generate CRCs on data a byte at a time for all
- combinations of CRC register values and incoming bytes. The remaining tables
- allow for word-at-a-time CRC calculation for both big-endian and little-
- endian machines, where a word is four bytes.
-*/
-local void make_crc_table()
-{
- unsigned long c;
- int n, k;
- unsigned long poly; /* polynomial exclusive-or pattern */
- /* terms of polynomial defining this crc (except x^32): */
- static volatile int first = 1; /* flag to limit concurrent making */
- static const unsigned char p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
-
- /* See if another task is already doing this (not thread-safe, but better
- than nothing -- significantly reduces duration of vulnerability in
- case the advice about DYNAMIC_CRC_TABLE is ignored) */
- if (first) {
- first = 0;
-
- /* make exclusive-or pattern from polynomial (0xedb88320UL) */
- poly = 0UL;
- for (n = 0; n < sizeof(p)/sizeof(unsigned char); n++)
- poly |= 1UL << (31 - p[n]);
-
- /* generate a crc for every 8-bit value */
- for (n = 0; n < 256; n++) {
- c = (unsigned long)n;
- for (k = 0; k < 8; k++)
- c = c & 1 ? poly ^ (c >> 1) : c >> 1;
- crc_table[0][n] = c;
- }
-
-#ifdef BYFOUR
- /* generate crc for each value followed by one, two, and three zeros,
- and then the byte reversal of those as well as the first table */
- for (n = 0; n < 256; n++) {
- c = crc_table[0][n];
- crc_table[4][n] = REV(c);
- for (k = 1; k < 4; k++) {
- c = crc_table[0][c & 0xff] ^ (c >> 8);
- crc_table[k][n] = c;
- crc_table[k + 4][n] = REV(c);
- }
- }
-#endif /* BYFOUR */
-
- crc_table_empty = 0;
- }
- else { /* not first */
- /* wait for the other guy to finish (not efficient, but rare) */
- while (crc_table_empty)
- ;
- }
-
-#ifdef MAKECRCH
- /* write out CRC tables to crc32.h */
- {
- FILE *out;
-
- out = fopen("crc32.h", "w");
- if (out == NULL) return;
- fprintf(out, "/* crc32.h -- tables for rapid CRC calculation\n");
- fprintf(out, " * Generated automatically by crc32.c\n */\n\n");
- fprintf(out, "local const unsigned long FAR ");
- fprintf(out, "crc_table[TBLS][256] =\n{\n {\n");
- write_table(out, crc_table[0]);
-# ifdef BYFOUR
- fprintf(out, "#ifdef BYFOUR\n");
- for (k = 1; k < 8; k++) {
- fprintf(out, " },\n {\n");
- write_table(out, crc_table[k]);
- }
- fprintf(out, "#endif\n");
-# endif /* BYFOUR */
- fprintf(out, " }\n};\n");
- fclose(out);
- }
-#endif /* MAKECRCH */
-}
-
-#ifdef MAKECRCH
-local void write_table(out, table)
- FILE *out;
- const unsigned long FAR *table;
-{
- int n;
-
- for (n = 0; n < 256; n++)
- fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : " ", table[n],
- n == 255 ? "\n" : (n % 5 == 4 ? ",\n" : ", "));
-}
-#endif /* MAKECRCH */
-
-#else /* !DYNAMIC_CRC_TABLE */
-/* ========================================================================
- * Tables of CRC-32s of all single-byte values, made by make_crc_table().
- */
-#include "crc32.h"
-#endif /* DYNAMIC_CRC_TABLE */
-
-/* =========================================================================
- * This function can be used by asm versions of crc32()
- */
-const unsigned long FAR * ZEXPORT get_crc_table()
-{
-#ifdef DYNAMIC_CRC_TABLE
- if (crc_table_empty)
- make_crc_table();
-#endif /* DYNAMIC_CRC_TABLE */
- return (const unsigned long FAR *)crc_table;
-}
-
-/* ========================================================================= */
-#define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8)
-#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
-
-/* ========================================================================= */
-unsigned long ZEXPORT crc32(crc, buf, len)
- unsigned long crc;
- const unsigned char FAR *buf;
- unsigned len;
-{
- if (buf == Z_NULL) return 0UL;
-
-#ifdef DYNAMIC_CRC_TABLE
- if (crc_table_empty)
- make_crc_table();
-#endif /* DYNAMIC_CRC_TABLE */
-
-#ifdef BYFOUR
- if (sizeof(void *) == sizeof(ptrdiff_t)) {
- u4 endian;
-
- endian = 1;
- if (*((unsigned char *)(&endian)))
- return crc32_little(crc, buf, len);
- else
- return crc32_big(crc, buf, len);
- }
-#endif /* BYFOUR */
- crc = crc ^ 0xffffffffUL;
- while (len >= 8) {
- DO8;
- len -= 8;
- }
- if (len) do {
- DO1;
- } while (--len);
- return crc ^ 0xffffffffUL;
-}
-
-#ifdef BYFOUR
-
-/* ========================================================================= */
-#define DOLIT4 c ^= *buf4++; \
- c = crc_table[3][c & 0xff] ^ crc_table[2][(c >> 8) & 0xff] ^ \
- crc_table[1][(c >> 16) & 0xff] ^ crc_table[0][c >> 24]
-#define DOLIT32 DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4
-
-/* ========================================================================= */
-local unsigned long crc32_little(crc, buf, len)
- unsigned long crc;
- const unsigned char FAR *buf;
- unsigned len;
-{
- register u4 c;
- register const u4 FAR *buf4;
-
- c = (u4)crc;
- c = ~c;
- while (len && ((ptrdiff_t)buf & 3)) {
- c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8);
- len--;
- }
-
- buf4 = (const u4 FAR *)(const void FAR *)buf;
- while (len >= 32) {
- DOLIT32;
- len -= 32;
- }
- while (len >= 4) {
- DOLIT4;
- len -= 4;
- }
- buf = (const unsigned char FAR *)buf4;
-
- if (len) do {
- c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8);
- } while (--len);
- c = ~c;
- return (unsigned long)c;
-}
-
-/* ========================================================================= */
-#define DOBIG4 c ^= *++buf4; \
- c = crc_table[4][c & 0xff] ^ crc_table[5][(c >> 8) & 0xff] ^ \
- crc_table[6][(c >> 16) & 0xff] ^ crc_table[7][c >> 24]
-#define DOBIG32 DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4
-
-/* ========================================================================= */
-local unsigned long crc32_big(crc, buf, len)
- unsigned long crc;
- const unsigned char FAR *buf;
- unsigned len;
-{
- register u4 c;
- register const u4 FAR *buf4;
-
- c = REV((u4)crc);
- c = ~c;
- while (len && ((ptrdiff_t)buf & 3)) {
- c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8);
- len--;
- }
-
- buf4 = (const u4 FAR *)(const void FAR *)buf;
- buf4--;
- while (len >= 32) {
- DOBIG32;
- len -= 32;
- }
- while (len >= 4) {
- DOBIG4;
- len -= 4;
- }
- buf4++;
- buf = (const unsigned char FAR *)buf4;
-
- if (len) do {
- c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8);
- } while (--len);
- c = ~c;
- return (unsigned long)(REV(c));
-}
-
-#endif /* BYFOUR */
-
-#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */
-
-/* ========================================================================= */
-local unsigned long gf2_matrix_times(mat, vec)
- unsigned long *mat;
- unsigned long vec;
-{
- unsigned long sum;
-
- sum = 0;
- while (vec) {
- if (vec & 1)
- sum ^= *mat;
- vec >>= 1;
- mat++;
- }
- return sum;
-}
-
-/* ========================================================================= */
-local void gf2_matrix_square(square, mat)
- unsigned long *square;
- unsigned long *mat;
-{
- int n;
-
- for (n = 0; n < GF2_DIM; n++)
- square[n] = gf2_matrix_times(mat, mat[n]);
-}
-
-/* ========================================================================= */
-uLong ZEXPORT crc32_combine(crc1, crc2, len2)
- uLong crc1;
- uLong crc2;
- z_off_t len2;
-{
- int n;
- unsigned long row;
- unsigned long even[GF2_DIM]; /* even-power-of-two zeros operator */
- unsigned long odd[GF2_DIM]; /* odd-power-of-two zeros operator */
-
- /* degenerate case */
- if (len2 == 0)
- return crc1;
-
- /* put operator for one zero bit in odd */
- odd[0] = 0xedb88320L; /* CRC-32 polynomial */
- row = 1;
- for (n = 1; n < GF2_DIM; n++) {
- odd[n] = row;
- row <<= 1;
- }
-
- /* put operator for two zero bits in even */
- gf2_matrix_square(even, odd);
-
- /* put operator for four zero bits in odd */
- gf2_matrix_square(odd, even);
-
- /* apply len2 zeros to crc1 (first square will put the operator for one
- zero byte, eight zero bits, in even) */
- do {
- /* apply zeros operator for this bit of len2 */
- gf2_matrix_square(even, odd);
- if (len2 & 1)
- crc1 = gf2_matrix_times(even, crc1);
- len2 >>= 1;
-
- /* if no more bits set, then done */
- if (len2 == 0)
- break;
-
- /* another iteration of the loop with odd and even swapped */
- gf2_matrix_square(odd, even);
- if (len2 & 1)
- crc1 = gf2_matrix_times(odd, crc1);
- len2 >>= 1;
-
- /* if no more bits set, then done */
- } while (len2 != 0);
-
- /* return combined crc */
- crc1 ^= crc2;
- return crc1;
-}
+++ /dev/null
-/* crc32.h -- tables for rapid CRC calculation
- * Generated automatically by crc32.c
- */
-
-local const unsigned long FAR crc_table[TBLS][256] =
-{
- {
- 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
- 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
- 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
- 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
- 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
- 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
- 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
- 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
- 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
- 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
- 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
- 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
- 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
- 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
- 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
- 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
- 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
- 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
- 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
- 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
- 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
- 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
- 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
- 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
- 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
- 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
- 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
- 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
- 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
- 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
- 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
- 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
- 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
- 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
- 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
- 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
- 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
- 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
- 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
- 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
- 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
- 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
- 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
- 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
- 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
- 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
- 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
- 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
- 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
- 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
- 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
- 0x2d02ef8dUL
-#ifdef BYFOUR
- },
- {
- 0x00000000UL, 0x191b3141UL, 0x32366282UL, 0x2b2d53c3UL, 0x646cc504UL,
- 0x7d77f445UL, 0x565aa786UL, 0x4f4196c7UL, 0xc8d98a08UL, 0xd1c2bb49UL,
- 0xfaefe88aUL, 0xe3f4d9cbUL, 0xacb54f0cUL, 0xb5ae7e4dUL, 0x9e832d8eUL,
- 0x87981ccfUL, 0x4ac21251UL, 0x53d92310UL, 0x78f470d3UL, 0x61ef4192UL,
- 0x2eaed755UL, 0x37b5e614UL, 0x1c98b5d7UL, 0x05838496UL, 0x821b9859UL,
- 0x9b00a918UL, 0xb02dfadbUL, 0xa936cb9aUL, 0xe6775d5dUL, 0xff6c6c1cUL,
- 0xd4413fdfUL, 0xcd5a0e9eUL, 0x958424a2UL, 0x8c9f15e3UL, 0xa7b24620UL,
- 0xbea97761UL, 0xf1e8e1a6UL, 0xe8f3d0e7UL, 0xc3de8324UL, 0xdac5b265UL,
- 0x5d5daeaaUL, 0x44469febUL, 0x6f6bcc28UL, 0x7670fd69UL, 0x39316baeUL,
- 0x202a5aefUL, 0x0b07092cUL, 0x121c386dUL, 0xdf4636f3UL, 0xc65d07b2UL,
- 0xed705471UL, 0xf46b6530UL, 0xbb2af3f7UL, 0xa231c2b6UL, 0x891c9175UL,
- 0x9007a034UL, 0x179fbcfbUL, 0x0e848dbaUL, 0x25a9de79UL, 0x3cb2ef38UL,
- 0x73f379ffUL, 0x6ae848beUL, 0x41c51b7dUL, 0x58de2a3cUL, 0xf0794f05UL,
- 0xe9627e44UL, 0xc24f2d87UL, 0xdb541cc6UL, 0x94158a01UL, 0x8d0ebb40UL,
- 0xa623e883UL, 0xbf38d9c2UL, 0x38a0c50dUL, 0x21bbf44cUL, 0x0a96a78fUL,
- 0x138d96ceUL, 0x5ccc0009UL, 0x45d73148UL, 0x6efa628bUL, 0x77e153caUL,
- 0xbabb5d54UL, 0xa3a06c15UL, 0x888d3fd6UL, 0x91960e97UL, 0xded79850UL,
- 0xc7cca911UL, 0xece1fad2UL, 0xf5facb93UL, 0x7262d75cUL, 0x6b79e61dUL,
- 0x4054b5deUL, 0x594f849fUL, 0x160e1258UL, 0x0f152319UL, 0x243870daUL,
- 0x3d23419bUL, 0x65fd6ba7UL, 0x7ce65ae6UL, 0x57cb0925UL, 0x4ed03864UL,
- 0x0191aea3UL, 0x188a9fe2UL, 0x33a7cc21UL, 0x2abcfd60UL, 0xad24e1afUL,
- 0xb43fd0eeUL, 0x9f12832dUL, 0x8609b26cUL, 0xc94824abUL, 0xd05315eaUL,
- 0xfb7e4629UL, 0xe2657768UL, 0x2f3f79f6UL, 0x362448b7UL, 0x1d091b74UL,
- 0x04122a35UL, 0x4b53bcf2UL, 0x52488db3UL, 0x7965de70UL, 0x607eef31UL,
- 0xe7e6f3feUL, 0xfefdc2bfUL, 0xd5d0917cUL, 0xcccba03dUL, 0x838a36faUL,
- 0x9a9107bbUL, 0xb1bc5478UL, 0xa8a76539UL, 0x3b83984bUL, 0x2298a90aUL,
- 0x09b5fac9UL, 0x10aecb88UL, 0x5fef5d4fUL, 0x46f46c0eUL, 0x6dd93fcdUL,
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- 0x685abb5bUL, 0x4377e898UL, 0x5a6cd9d9UL, 0x152d4f1eUL, 0x0c367e5fUL,
- 0x271b2d9cUL, 0x3e001cddUL, 0xb9980012UL, 0xa0833153UL, 0x8bae6290UL,
- 0x92b553d1UL, 0xddf4c516UL, 0xc4eff457UL, 0xefc2a794UL, 0xf6d996d5UL,
- 0xae07bce9UL, 0xb71c8da8UL, 0x9c31de6bUL, 0x852aef2aUL, 0xca6b79edUL,
- 0xd37048acUL, 0xf85d1b6fUL, 0xe1462a2eUL, 0x66de36e1UL, 0x7fc507a0UL,
- 0x54e85463UL, 0x4df36522UL, 0x02b2f3e5UL, 0x1ba9c2a4UL, 0x30849167UL,
- 0x299fa026UL, 0xe4c5aeb8UL, 0xfdde9ff9UL, 0xd6f3cc3aUL, 0xcfe8fd7bUL,
- 0x80a96bbcUL, 0x99b25afdUL, 0xb29f093eUL, 0xab84387fUL, 0x2c1c24b0UL,
- 0x350715f1UL, 0x1e2a4632UL, 0x07317773UL, 0x4870e1b4UL, 0x516bd0f5UL,
- 0x7a468336UL, 0x635db277UL, 0xcbfad74eUL, 0xd2e1e60fUL, 0xf9ccb5ccUL,
- 0xe0d7848dUL, 0xaf96124aUL, 0xb68d230bUL, 0x9da070c8UL, 0x84bb4189UL,
- 0x03235d46UL, 0x1a386c07UL, 0x31153fc4UL, 0x280e0e85UL, 0x674f9842UL,
- 0x7e54a903UL, 0x5579fac0UL, 0x4c62cb81UL, 0x8138c51fUL, 0x9823f45eUL,
- 0xb30ea79dUL, 0xaa1596dcUL, 0xe554001bUL, 0xfc4f315aUL, 0xd7626299UL,
- 0xce7953d8UL, 0x49e14f17UL, 0x50fa7e56UL, 0x7bd72d95UL, 0x62cc1cd4UL,
- 0x2d8d8a13UL, 0x3496bb52UL, 0x1fbbe891UL, 0x06a0d9d0UL, 0x5e7ef3ecUL,
- 0x4765c2adUL, 0x6c48916eUL, 0x7553a02fUL, 0x3a1236e8UL, 0x230907a9UL,
- 0x0824546aUL, 0x113f652bUL, 0x96a779e4UL, 0x8fbc48a5UL, 0xa4911b66UL,
- 0xbd8a2a27UL, 0xf2cbbce0UL, 0xebd08da1UL, 0xc0fdde62UL, 0xd9e6ef23UL,
- 0x14bce1bdUL, 0x0da7d0fcUL, 0x268a833fUL, 0x3f91b27eUL, 0x70d024b9UL,
- 0x69cb15f8UL, 0x42e6463bUL, 0x5bfd777aUL, 0xdc656bb5UL, 0xc57e5af4UL,
- 0xee530937UL, 0xf7483876UL, 0xb809aeb1UL, 0xa1129ff0UL, 0x8a3fcc33UL,
- 0x9324fd72UL
- },
- {
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- 0x06cbc2ebUL, 0x048d7cb2UL, 0x054f1685UL, 0x0e1351b8UL, 0x0fd13b8fUL,
- 0x0d9785d6UL, 0x0c55efe1UL, 0x091af964UL, 0x08d89353UL, 0x0a9e2d0aUL,
- 0x0b5c473dUL, 0x1c26a370UL, 0x1de4c947UL, 0x1fa2771eUL, 0x1e601d29UL,
- 0x1b2f0bacUL, 0x1aed619bUL, 0x18abdfc2UL, 0x1969b5f5UL, 0x1235f2c8UL,
- 0x13f798ffUL, 0x11b126a6UL, 0x10734c91UL, 0x153c5a14UL, 0x14fe3023UL,
- 0x16b88e7aUL, 0x177ae44dUL, 0x384d46e0UL, 0x398f2cd7UL, 0x3bc9928eUL,
- 0x3a0bf8b9UL, 0x3f44ee3cUL, 0x3e86840bUL, 0x3cc03a52UL, 0x3d025065UL,
- 0x365e1758UL, 0x379c7d6fUL, 0x35dac336UL, 0x3418a901UL, 0x3157bf84UL,
- 0x3095d5b3UL, 0x32d36beaUL, 0x331101ddUL, 0x246be590UL, 0x25a98fa7UL,
- 0x27ef31feUL, 0x262d5bc9UL, 0x23624d4cUL, 0x22a0277bUL, 0x20e69922UL,
- 0x2124f315UL, 0x2a78b428UL, 0x2bbade1fUL, 0x29fc6046UL, 0x283e0a71UL,
- 0x2d711cf4UL, 0x2cb376c3UL, 0x2ef5c89aUL, 0x2f37a2adUL, 0x709a8dc0UL,
- 0x7158e7f7UL, 0x731e59aeUL, 0x72dc3399UL, 0x7793251cUL, 0x76514f2bUL,
- 0x7417f172UL, 0x75d59b45UL, 0x7e89dc78UL, 0x7f4bb64fUL, 0x7d0d0816UL,
- 0x7ccf6221UL, 0x798074a4UL, 0x78421e93UL, 0x7a04a0caUL, 0x7bc6cafdUL,
- 0x6cbc2eb0UL, 0x6d7e4487UL, 0x6f38fadeUL, 0x6efa90e9UL, 0x6bb5866cUL,
- 0x6a77ec5bUL, 0x68315202UL, 0x69f33835UL, 0x62af7f08UL, 0x636d153fUL,
- 0x612bab66UL, 0x60e9c151UL, 0x65a6d7d4UL, 0x6464bde3UL, 0x662203baUL,
- 0x67e0698dUL, 0x48d7cb20UL, 0x4915a117UL, 0x4b531f4eUL, 0x4a917579UL,
- 0x4fde63fcUL, 0x4e1c09cbUL, 0x4c5ab792UL, 0x4d98dda5UL, 0x46c49a98UL,
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- 0x4249e62aUL, 0x438b8c1dUL, 0x54f16850UL, 0x55330267UL, 0x5775bc3eUL,
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- 0xe2b1cfeeUL, 0xe373a5d9UL, 0xe63cb35cUL, 0xe7fed96bUL, 0xe5b86732UL,
- 0xe47a0d05UL, 0xef264a38UL, 0xeee4200fUL, 0xeca29e56UL, 0xed60f461UL,
- 0xe82fe2e4UL, 0xe9ed88d3UL, 0xebab368aUL, 0xea695cbdUL, 0xfd13b8f0UL,
- 0xfcd1d2c7UL, 0xfe976c9eUL, 0xff5506a9UL, 0xfa1a102cUL, 0xfbd87a1bUL,
- 0xf99ec442UL, 0xf85cae75UL, 0xf300e948UL, 0xf2c2837fUL, 0xf0843d26UL,
- 0xf1465711UL, 0xf4094194UL, 0xf5cb2ba3UL, 0xf78d95faUL, 0xf64fffcdUL,
- 0xd9785d60UL, 0xd8ba3757UL, 0xdafc890eUL, 0xdb3ee339UL, 0xde71f5bcUL,
- 0xdfb39f8bUL, 0xddf521d2UL, 0xdc374be5UL, 0xd76b0cd8UL, 0xd6a966efUL,
- 0xd4efd8b6UL, 0xd52db281UL, 0xd062a404UL, 0xd1a0ce33UL, 0xd3e6706aUL,
- 0xd2241a5dUL, 0xc55efe10UL, 0xc49c9427UL, 0xc6da2a7eUL, 0xc7184049UL,
- 0xc25756ccUL, 0xc3953cfbUL, 0xc1d382a2UL, 0xc011e895UL, 0xcb4dafa8UL,
- 0xca8fc59fUL, 0xc8c97bc6UL, 0xc90b11f1UL, 0xcc440774UL, 0xcd866d43UL,
- 0xcfc0d31aUL, 0xce02b92dUL, 0x91af9640UL, 0x906dfc77UL, 0x922b422eUL,
- 0x93e92819UL, 0x96a63e9cUL, 0x976454abUL, 0x9522eaf2UL, 0x94e080c5UL,
- 0x9fbcc7f8UL, 0x9e7eadcfUL, 0x9c381396UL, 0x9dfa79a1UL, 0x98b56f24UL,
- 0x99770513UL, 0x9b31bb4aUL, 0x9af3d17dUL, 0x8d893530UL, 0x8c4b5f07UL,
- 0x8e0de15eUL, 0x8fcf8b69UL, 0x8a809decUL, 0x8b42f7dbUL, 0x89044982UL,
- 0x88c623b5UL, 0x839a6488UL, 0x82580ebfUL, 0x801eb0e6UL, 0x81dcdad1UL,
- 0x8493cc54UL, 0x8551a663UL, 0x8717183aUL, 0x86d5720dUL, 0xa9e2d0a0UL,
- 0xa820ba97UL, 0xaa6604ceUL, 0xaba46ef9UL, 0xaeeb787cUL, 0xaf29124bUL,
- 0xad6fac12UL, 0xacadc625UL, 0xa7f18118UL, 0xa633eb2fUL, 0xa4755576UL,
- 0xa5b73f41UL, 0xa0f829c4UL, 0xa13a43f3UL, 0xa37cfdaaUL, 0xa2be979dUL,
- 0xb5c473d0UL, 0xb40619e7UL, 0xb640a7beUL, 0xb782cd89UL, 0xb2cddb0cUL,
- 0xb30fb13bUL, 0xb1490f62UL, 0xb08b6555UL, 0xbbd72268UL, 0xba15485fUL,
- 0xb853f606UL, 0xb9919c31UL, 0xbcde8ab4UL, 0xbd1ce083UL, 0xbf5a5edaUL,
- 0xbe9834edUL
- },
- {
- 0x00000000UL, 0xb8bc6765UL, 0xaa09c88bUL, 0x12b5afeeUL, 0x8f629757UL,
- 0x37def032UL, 0x256b5fdcUL, 0x9dd738b9UL, 0xc5b428efUL, 0x7d084f8aUL,
- 0x6fbde064UL, 0xd7018701UL, 0x4ad6bfb8UL, 0xf26ad8ddUL, 0xe0df7733UL,
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- 0xdf7bc0c8UL, 0x67c7a7adUL, 0x75720843UL, 0xcdce6f26UL, 0x95ad7f70UL,
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- 0xb28700d0UL, 0x2f503869UL, 0x97ec5f0cUL, 0x8559f0e2UL, 0x3de59787UL,
- 0x658687d1UL, 0xdd3ae0b4UL, 0xcf8f4f5aUL, 0x7733283fUL, 0xeae41086UL,
- 0x525877e3UL, 0x40edd80dUL, 0xf851bf68UL, 0xf02bf8a1UL, 0x48979fc4UL,
- 0x5a22302aUL, 0xe29e574fUL, 0x7f496ff6UL, 0xc7f50893UL, 0xd540a77dUL,
- 0x6dfcc018UL, 0x359fd04eUL, 0x8d23b72bUL, 0x9f9618c5UL, 0x272a7fa0UL,
- 0xbafd4719UL, 0x0241207cUL, 0x10f48f92UL, 0xa848e8f7UL, 0x9b14583dUL,
- 0x23a83f58UL, 0x311d90b6UL, 0x89a1f7d3UL, 0x1476cf6aUL, 0xaccaa80fUL,
- 0xbe7f07e1UL, 0x06c36084UL, 0x5ea070d2UL, 0xe61c17b7UL, 0xf4a9b859UL,
- 0x4c15df3cUL, 0xd1c2e785UL, 0x697e80e0UL, 0x7bcb2f0eUL, 0xc377486bUL,
- 0xcb0d0fa2UL, 0x73b168c7UL, 0x6104c729UL, 0xd9b8a04cUL, 0x446f98f5UL,
- 0xfcd3ff90UL, 0xee66507eUL, 0x56da371bUL, 0x0eb9274dUL, 0xb6054028UL,
- 0xa4b0efc6UL, 0x1c0c88a3UL, 0x81dbb01aUL, 0x3967d77fUL, 0x2bd27891UL,
- 0x936e1ff4UL, 0x3b26f703UL, 0x839a9066UL, 0x912f3f88UL, 0x299358edUL,
- 0xb4446054UL, 0x0cf80731UL, 0x1e4da8dfUL, 0xa6f1cfbaUL, 0xfe92dfecUL,
- 0x462eb889UL, 0x549b1767UL, 0xec277002UL, 0x71f048bbUL, 0xc94c2fdeUL,
- 0xdbf98030UL, 0x6345e755UL, 0x6b3fa09cUL, 0xd383c7f9UL, 0xc1366817UL,
- 0x798a0f72UL, 0xe45d37cbUL, 0x5ce150aeUL, 0x4e54ff40UL, 0xf6e89825UL,
- 0xae8b8873UL, 0x1637ef16UL, 0x048240f8UL, 0xbc3e279dUL, 0x21e91f24UL,
- 0x99557841UL, 0x8be0d7afUL, 0x335cb0caUL, 0xed59b63bUL, 0x55e5d15eUL,
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- 0x708e8e82UL, 0x28ed9ed4UL, 0x9051f9b1UL, 0x82e4565fUL, 0x3a58313aUL,
- 0xa78f0983UL, 0x1f336ee6UL, 0x0d86c108UL, 0xb53aa66dUL, 0xbd40e1a4UL,
- 0x05fc86c1UL, 0x1749292fUL, 0xaff54e4aUL, 0x322276f3UL, 0x8a9e1196UL,
- 0x982bbe78UL, 0x2097d91dUL, 0x78f4c94bUL, 0xc048ae2eUL, 0xd2fd01c0UL,
- 0x6a4166a5UL, 0xf7965e1cUL, 0x4f2a3979UL, 0x5d9f9697UL, 0xe523f1f2UL,
- 0x4d6b1905UL, 0xf5d77e60UL, 0xe762d18eUL, 0x5fdeb6ebUL, 0xc2098e52UL,
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- 0x22d6f961UL, 0x9a6a9e04UL, 0x07bda6bdUL, 0xbf01c1d8UL, 0xadb46e36UL,
- 0x15080953UL, 0x1d724e9aUL, 0xa5ce29ffUL, 0xb77b8611UL, 0x0fc7e174UL,
- 0x9210d9cdUL, 0x2aacbea8UL, 0x38191146UL, 0x80a57623UL, 0xd8c66675UL,
- 0x607a0110UL, 0x72cfaefeUL, 0xca73c99bUL, 0x57a4f122UL, 0xef189647UL,
- 0xfdad39a9UL, 0x45115eccUL, 0x764dee06UL, 0xcef18963UL, 0xdc44268dUL,
- 0x64f841e8UL, 0xf92f7951UL, 0x41931e34UL, 0x5326b1daUL, 0xeb9ad6bfUL,
- 0xb3f9c6e9UL, 0x0b45a18cUL, 0x19f00e62UL, 0xa14c6907UL, 0x3c9b51beUL,
- 0x842736dbUL, 0x96929935UL, 0x2e2efe50UL, 0x2654b999UL, 0x9ee8defcUL,
- 0x8c5d7112UL, 0x34e11677UL, 0xa9362eceUL, 0x118a49abUL, 0x033fe645UL,
- 0xbb838120UL, 0xe3e09176UL, 0x5b5cf613UL, 0x49e959fdUL, 0xf1553e98UL,
- 0x6c820621UL, 0xd43e6144UL, 0xc68bceaaUL, 0x7e37a9cfUL, 0xd67f4138UL,
- 0x6ec3265dUL, 0x7c7689b3UL, 0xc4caeed6UL, 0x591dd66fUL, 0xe1a1b10aUL,
- 0xf3141ee4UL, 0x4ba87981UL, 0x13cb69d7UL, 0xab770eb2UL, 0xb9c2a15cUL,
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- 0xe1077fbeUL, 0x8460c306UL, 0xd270a05eUL, 0xb7171ce6UL, 0x59b8a9f4UL,
- 0x3cdf154cUL, 0x85e7c2d1UL, 0xe0807e69UL, 0x0e2fcb7bUL, 0x6b4877c3UL,
- 0xa20f0dcbUL, 0xc768b173UL, 0x29c70461UL, 0x4ca0b8d9UL, 0xf5986f44UL,
- 0x90ffd3fcUL, 0x7e5066eeUL, 0x1b37da56UL, 0x4d27b90eUL, 0x284005b6UL,
- 0xc6efb0a4UL, 0xa3880c1cUL, 0x1ab0db81UL, 0x7fd76739UL, 0x9178d22bUL,
- 0xf41f6e93UL, 0x03f7263bUL, 0x66909a83UL, 0x883f2f91UL, 0xed589329UL,
- 0x546044b4UL, 0x3107f80cUL, 0xdfa84d1eUL, 0xbacff1a6UL, 0xecdf92feUL,
- 0x89b82e46UL, 0x67179b54UL, 0x027027ecUL, 0xbb48f071UL, 0xde2f4cc9UL,
- 0x3080f9dbUL, 0x55e74563UL, 0x9ca03f6bUL, 0xf9c783d3UL, 0x176836c1UL,
- 0x720f8a79UL, 0xcb375de4UL, 0xae50e15cUL, 0x40ff544eUL, 0x2598e8f6UL,
- 0x73888baeUL, 0x16ef3716UL, 0xf8408204UL, 0x9d273ebcUL, 0x241fe921UL,
- 0x41785599UL, 0xafd7e08bUL, 0xcab05c33UL, 0x3bb659edUL, 0x5ed1e555UL,
- 0xb07e5047UL, 0xd519ecffUL, 0x6c213b62UL, 0x094687daUL, 0xe7e932c8UL,
- 0x828e8e70UL, 0xd49eed28UL, 0xb1f95190UL, 0x5f56e482UL, 0x3a31583aUL,
- 0x83098fa7UL, 0xe66e331fUL, 0x08c1860dUL, 0x6da63ab5UL, 0xa4e140bdUL,
- 0xc186fc05UL, 0x2f294917UL, 0x4a4ef5afUL, 0xf3762232UL, 0x96119e8aUL,
- 0x78be2b98UL, 0x1dd99720UL, 0x4bc9f478UL, 0x2eae48c0UL, 0xc001fdd2UL,
- 0xa566416aUL, 0x1c5e96f7UL, 0x79392a4fUL, 0x97969f5dUL, 0xf2f123e5UL,
- 0x05196b4dUL, 0x607ed7f5UL, 0x8ed162e7UL, 0xebb6de5fUL, 0x528e09c2UL,
- 0x37e9b57aUL, 0xd9460068UL, 0xbc21bcd0UL, 0xea31df88UL, 0x8f566330UL,
- 0x61f9d622UL, 0x049e6a9aUL, 0xbda6bd07UL, 0xd8c101bfUL, 0x366eb4adUL,
- 0x53090815UL, 0x9a4e721dUL, 0xff29cea5UL, 0x11867bb7UL, 0x74e1c70fUL,
- 0xcdd91092UL, 0xa8beac2aUL, 0x46111938UL, 0x2376a580UL, 0x7566c6d8UL,
- 0x10017a60UL, 0xfeaecf72UL, 0x9bc973caUL, 0x22f1a457UL, 0x479618efUL,
- 0xa939adfdUL, 0xcc5e1145UL, 0x06ee4d76UL, 0x6389f1ceUL, 0x8d2644dcUL,
- 0xe841f864UL, 0x51792ff9UL, 0x341e9341UL, 0xdab12653UL, 0xbfd69aebUL,
- 0xe9c6f9b3UL, 0x8ca1450bUL, 0x620ef019UL, 0x07694ca1UL, 0xbe519b3cUL,
- 0xdb362784UL, 0x35999296UL, 0x50fe2e2eUL, 0x99b95426UL, 0xfcdee89eUL,
- 0x12715d8cUL, 0x7716e134UL, 0xce2e36a9UL, 0xab498a11UL, 0x45e63f03UL,
- 0x208183bbUL, 0x7691e0e3UL, 0x13f65c5bUL, 0xfd59e949UL, 0x983e55f1UL,
- 0x2106826cUL, 0x44613ed4UL, 0xaace8bc6UL, 0xcfa9377eUL, 0x38417fd6UL,
- 0x5d26c36eUL, 0xb389767cUL, 0xd6eecac4UL, 0x6fd61d59UL, 0x0ab1a1e1UL,
- 0xe41e14f3UL, 0x8179a84bUL, 0xd769cb13UL, 0xb20e77abUL, 0x5ca1c2b9UL,
- 0x39c67e01UL, 0x80fea99cUL, 0xe5991524UL, 0x0b36a036UL, 0x6e511c8eUL,
- 0xa7166686UL, 0xc271da3eUL, 0x2cde6f2cUL, 0x49b9d394UL, 0xf0810409UL,
- 0x95e6b8b1UL, 0x7b490da3UL, 0x1e2eb11bUL, 0x483ed243UL, 0x2d596efbUL,
- 0xc3f6dbe9UL, 0xa6916751UL, 0x1fa9b0ccUL, 0x7ace0c74UL, 0x9461b966UL,
- 0xf10605deUL
-#endif
- }
-};
+++ /dev/null
-/* deflate.c -- compress data using the deflation algorithm
- * Copyright (C) 1995-2005 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/*
- * ALGORITHM
- *
- * The "deflation" process depends on being able to identify portions
- * of the input text which are identical to earlier input (within a
- * sliding window trailing behind the input currently being processed).
- *
- * The most straightforward technique turns out to be the fastest for
- * most input files: try all possible matches and select the longest.
- * The key feature of this algorithm is that insertions into the string
- * dictionary are very simple and thus fast, and deletions are avoided
- * completely. Insertions are performed at each input character, whereas
- * string matches are performed only when the previous match ends. So it
- * is preferable to spend more time in matches to allow very fast string
- * insertions and avoid deletions. The matching algorithm for small
- * strings is inspired from that of Rabin & Karp. A brute force approach
- * is used to find longer strings when a small match has been found.
- * A similar algorithm is used in comic (by Jan-Mark Wams) and freeze
- * (by Leonid Broukhis).
- * A previous version of this file used a more sophisticated algorithm
- * (by Fiala and Greene) which is guaranteed to run in linear amortized
- * time, but has a larger average cost, uses more memory and is patented.
- * However the F&G algorithm may be faster for some highly redundant
- * files if the parameter max_chain_length (described below) is too large.
- *
- * ACKNOWLEDGEMENTS
- *
- * The idea of lazy evaluation of matches is due to Jan-Mark Wams, and
- * I found it in 'freeze' written by Leonid Broukhis.
- * Thanks to many people for bug reports and testing.
- *
- * REFERENCES
- *
- * Deutsch, L.P.,"DEFLATE Compressed Data Format Specification".
- * Available in http://www.ietf.org/rfc/rfc1951.txt
- *
- * A description of the Rabin and Karp algorithm is given in the book
- * "Algorithms" by R. Sedgewick, Addison-Wesley, p252.
- *
- * Fiala,E.R., and Greene,D.H.
- * Data Compression with Finite Windows, Comm.ACM, 32,4 (1989) 490-595
- *
- */
-
-/* @(#) $Id$ */
-
-#include "deflate.h"
-
-const char deflate_copyright[] =
- " deflate 1.2.3 Copyright 1995-2005 Jean-loup Gailly ";
-/*
- If you use the zlib library in a product, an acknowledgment is welcome
- in the documentation of your product. If for some reason you cannot
- include such an acknowledgment, I would appreciate that you keep this
- copyright string in the executable of your product.
- */
-
-/* ===========================================================================
- * Function prototypes.
- */
-typedef enum {
- need_more, /* block not completed, need more input or more output */
- block_done, /* block flush performed */
- finish_started, /* finish started, need only more output at next deflate */
- finish_done /* finish done, accept no more input or output */
-} block_state;
-
-typedef block_state (*compress_func) OF((deflate_state *s, int flush));
-/* Compression function. Returns the block state after the call. */
-
-local void fill_window OF((deflate_state *s));
-local block_state deflate_stored OF((deflate_state *s, int flush));
-local block_state deflate_fast OF((deflate_state *s, int flush));
-#ifndef FASTEST
-local block_state deflate_slow OF((deflate_state *s, int flush));
-#endif
-local void lm_init OF((deflate_state *s));
-local void putShortMSB OF((deflate_state *s, uInt b));
-local void flush_pending OF((z_streamp strm));
-local int read_buf OF((z_streamp strm, Bytef *buf, unsigned size));
-#ifndef FASTEST
-#ifdef ASMV
- void match_init OF((void)); /* asm code initialization */
- uInt longest_match OF((deflate_state *s, IPos cur_match));
-#else
-local uInt longest_match OF((deflate_state *s, IPos cur_match));
-#endif
-#endif
-local uInt longest_match_fast OF((deflate_state *s, IPos cur_match));
-
-#ifdef DEBUG
-local void check_match OF((deflate_state *s, IPos start, IPos match,
- int length));
-#endif
-
-/* ===========================================================================
- * Local data
- */
-
-#define NIL 0
-/* Tail of hash chains */
-
-#ifndef TOO_FAR
-# define TOO_FAR 4096
-#endif
-/* Matches of length 3 are discarded if their distance exceeds TOO_FAR */
-
-#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
-/* Minimum amount of lookahead, except at the end of the input file.
- * See deflate.c for comments about the MIN_MATCH+1.
- */
-
-/* Values for max_lazy_match, good_match and max_chain_length, depending on
- * the desired pack level (0..9). The values given below have been tuned to
- * exclude worst case performance for pathological files. Better values may be
- * found for specific files.
- */
-typedef struct config_s {
- ush good_length; /* reduce lazy search above this match length */
- ush max_lazy; /* do not perform lazy search above this match length */
- ush nice_length; /* quit search above this match length */
- ush max_chain;
- compress_func func;
-} config;
-
-#ifdef FASTEST
-local const config configuration_table[2] = {
-/* good lazy nice chain */
-/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */
-/* 1 */ {4, 4, 8, 4, deflate_fast}}; /* max speed, no lazy matches */
-#else
-local const config configuration_table[10] = {
-/* good lazy nice chain */
-/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */
-/* 1 */ {4, 4, 8, 4, deflate_fast}, /* max speed, no lazy matches */
-/* 2 */ {4, 5, 16, 8, deflate_fast},
-/* 3 */ {4, 6, 32, 32, deflate_fast},
-
-/* 4 */ {4, 4, 16, 16, deflate_slow}, /* lazy matches */
-/* 5 */ {8, 16, 32, 32, deflate_slow},
-/* 6 */ {8, 16, 128, 128, deflate_slow},
-/* 7 */ {8, 32, 128, 256, deflate_slow},
-/* 8 */ {32, 128, 258, 1024, deflate_slow},
-/* 9 */ {32, 258, 258, 4096, deflate_slow}}; /* max compression */
-#endif
-
-/* Note: the deflate() code requires max_lazy >= MIN_MATCH and max_chain >= 4
- * For deflate_fast() (levels <= 3) good is ignored and lazy has a different
- * meaning.
- */
-
-#define EQUAL 0
-/* result of memcmp for equal strings */
-
-#ifndef NO_DUMMY_DECL
-struct static_tree_desc_s {int dummy;}; /* for buggy compilers */
-#endif
-
-/* ===========================================================================
- * Update a hash value with the given input byte
- * IN assertion: all calls to to UPDATE_HASH are made with consecutive
- * input characters, so that a running hash key can be computed from the
- * previous key instead of complete recalculation each time.
- */
-#define UPDATE_HASH(s,h,c) (h = (((h)<<s->hash_shift) ^ (c)) & s->hash_mask)
-
-
-/* ===========================================================================
- * Insert string str in the dictionary and set match_head to the previous head
- * of the hash chain (the most recent string with same hash key). Return
- * the previous length of the hash chain.
- * If this file is compiled with -DFASTEST, the compression level is forced
- * to 1, and no hash chains are maintained.
- * IN assertion: all calls to to INSERT_STRING are made with consecutive
- * input characters and the first MIN_MATCH bytes of str are valid
- * (except for the last MIN_MATCH-1 bytes of the input file).
- */
-#ifdef FASTEST
-#define INSERT_STRING(s, str, match_head) \
- (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \
- match_head = s->head[s->ins_h], \
- s->head[s->ins_h] = (Pos)(str))
-#else
-#define INSERT_STRING(s, str, match_head) \
- (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \
- match_head = s->prev[(str) & s->w_mask] = s->head[s->ins_h], \
- s->head[s->ins_h] = (Pos)(str))
-#endif
-
-/* ===========================================================================
- * Initialize the hash table (avoiding 64K overflow for 16 bit systems).
- * prev[] will be initialized on the fly.
- */
-#define CLEAR_HASH(s) \
- s->head[s->hash_size-1] = NIL; \
- zmemzero((Bytef *)s->head, (unsigned)(s->hash_size-1)*sizeof(*s->head));
-
-/* ========================================================================= */
-int ZEXPORT deflateInit_(strm, level, version, stream_size)
- z_streamp strm;
- int level;
- const char *version;
- int stream_size;
-{
- return deflateInit2_(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL,
- Z_DEFAULT_STRATEGY, version, stream_size);
- /* To do: ignore strm->next_in if we use it as window */
-}
-
-/* ========================================================================= */
-int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
- version, stream_size)
- z_streamp strm;
- int level;
- int method;
- int windowBits;
- int memLevel;
- int strategy;
- const char *version;
- int stream_size;
-{
- deflate_state *s;
- int wrap = 1;
- static const char my_version[] = ZLIB_VERSION;
-
- ushf *overlay;
- /* We overlay pending_buf and d_buf+l_buf. This works since the average
- * output size for (length,distance) codes is <= 24 bits.
- */
-
- if (version == Z_NULL || version[0] != my_version[0] ||
- stream_size != sizeof(z_stream)) {
- return Z_VERSION_ERROR;
- }
- if (strm == Z_NULL) return Z_STREAM_ERROR;
-
- strm->msg = Z_NULL;
- if (strm->zalloc == (alloc_func)0) {
- strm->zalloc = zcalloc;
- strm->opaque = (voidpf)0;
- }
- if (strm->zfree == (free_func)0) strm->zfree = zcfree;
-
-#ifdef FASTEST
- if (level != 0) level = 1;
-#else
- if (level == Z_DEFAULT_COMPRESSION) level = 6;
-#endif
-
- if (windowBits < 0) { /* suppress zlib wrapper */
- wrap = 0;
- windowBits = -windowBits;
- }
-#ifdef GZIP
- else if (windowBits > 15) {
- wrap = 2; /* write gzip wrapper instead */
- windowBits -= 16;
- }
-#endif
- if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED ||
- windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
- strategy < 0 || strategy > Z_FIXED) {
- return Z_STREAM_ERROR;
- }
- if (windowBits == 8) windowBits = 9; /* until 256-byte window bug fixed */
- s = (deflate_state *) ZALLOC(strm, 1, sizeof(deflate_state));
- if (s == Z_NULL) return Z_MEM_ERROR;
- strm->state = (struct internal_state FAR *)s;
- s->strm = strm;
-
- s->wrap = wrap;
- s->gzhead = Z_NULL;
- s->w_bits = windowBits;
- s->w_size = 1 << s->w_bits;
- s->w_mask = s->w_size - 1;
-
- s->hash_bits = memLevel + 7;
- s->hash_size = 1 << s->hash_bits;
- s->hash_mask = s->hash_size - 1;
- s->hash_shift = ((s->hash_bits+MIN_MATCH-1)/MIN_MATCH);
-
- s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte));
- s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos));
- s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos));
-
- s->lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */
-
- overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2);
- s->pending_buf = (uchf *) overlay;
- s->pending_buf_size = (ulg)s->lit_bufsize * (sizeof(ush)+2L);
-
- if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
- s->pending_buf == Z_NULL) {
- s->status = FINISH_STATE;
- strm->msg = (char*)ERR_MSG(Z_MEM_ERROR);
- deflateEnd (strm);
- return Z_MEM_ERROR;
- }
- s->d_buf = overlay + s->lit_bufsize/sizeof(ush);
- s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize;
-
- s->level = level;
- s->strategy = strategy;
- s->method = (Byte)method;
-
- return deflateReset(strm);
-}
-
-/* ========================================================================= */
-int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength)
- z_streamp strm;
- const Bytef *dictionary;
- uInt dictLength;
-{
- deflate_state *s;
- uInt length = dictLength;
- uInt n;
- IPos hash_head = 0;
-
- if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL ||
- strm->state->wrap == 2 ||
- (strm->state->wrap == 1 && strm->state->status != INIT_STATE))
- return Z_STREAM_ERROR;
-
- s = strm->state;
- if (s->wrap)
- strm->adler = adler32(strm->adler, dictionary, dictLength);
-
- if (length < MIN_MATCH) return Z_OK;
- if (length > MAX_DIST(s)) {
- length = MAX_DIST(s);
- dictionary += dictLength - length; /* use the tail of the dictionary */
- }
- zmemcpy(s->window, dictionary, length);
- s->strstart = length;
- s->block_start = (long)length;
-
- /* Insert all strings in the hash table (except for the last two bytes).
- * s->lookahead stays null, so s->ins_h will be recomputed at the next
- * call of fill_window.
- */
- s->ins_h = s->window[0];
- UPDATE_HASH(s, s->ins_h, s->window[1]);
- for (n = 0; n <= length - MIN_MATCH; n++) {
- INSERT_STRING(s, n, hash_head);
- }
- if (hash_head) hash_head = 0; /* to make compiler happy */
- return Z_OK;
-}
-
-/* ========================================================================= */
-int ZEXPORT deflateReset (strm)
- z_streamp strm;
-{
- deflate_state *s;
-
- if (strm == Z_NULL || strm->state == Z_NULL ||
- strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) {
- return Z_STREAM_ERROR;
- }
-
- strm->total_in = strm->total_out = 0;
- strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */
- strm->data_type = Z_UNKNOWN;
-
- s = (deflate_state *)strm->state;
- s->pending = 0;
- s->pending_out = s->pending_buf;
-
- if (s->wrap < 0) {
- s->wrap = -s->wrap; /* was made negative by deflate(..., Z_FINISH); */
- }
- s->status = s->wrap ? INIT_STATE : BUSY_STATE;
- strm->adler =
-#ifdef GZIP
- s->wrap == 2 ? crc32(0L, Z_NULL, 0) :
-#endif
- adler32(0L, Z_NULL, 0);
- s->last_flush = Z_NO_FLUSH;
-
- _tr_init(s);
- lm_init(s);
-
- return Z_OK;
-}
-
-/* ========================================================================= */
-int ZEXPORT deflateSetHeader (strm, head)
- z_streamp strm;
- gz_headerp head;
-{
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- if (strm->state->wrap != 2) return Z_STREAM_ERROR;
- strm->state->gzhead = head;
- return Z_OK;
-}
-
-/* ========================================================================= */
-int ZEXPORT deflatePrime (strm, bits, value)
- z_streamp strm;
- int bits;
- int value;
-{
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- strm->state->bi_valid = bits;
- strm->state->bi_buf = (ush)(value & ((1 << bits) - 1));
- return Z_OK;
-}
-
-/* ========================================================================= */
-int ZEXPORT deflateParams(strm, level, strategy)
- z_streamp strm;
- int level;
- int strategy;
-{
- deflate_state *s;
- compress_func func;
- int err = Z_OK;
-
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- s = strm->state;
-
-#ifdef FASTEST
- if (level != 0) level = 1;
-#else
- if (level == Z_DEFAULT_COMPRESSION) level = 6;
-#endif
- if (level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED) {
- return Z_STREAM_ERROR;
- }
- func = configuration_table[s->level].func;
-
- if (func != configuration_table[level].func && strm->total_in != 0) {
- /* Flush the last buffer: */
- err = deflate(strm, Z_PARTIAL_FLUSH);
- }
- if (s->level != level) {
- s->level = level;
- s->max_lazy_match = configuration_table[level].max_lazy;
- s->good_match = configuration_table[level].good_length;
- s->nice_match = configuration_table[level].nice_length;
- s->max_chain_length = configuration_table[level].max_chain;
- }
- s->strategy = strategy;
- return err;
-}
-
-/* ========================================================================= */
-int ZEXPORT deflateTune(strm, good_length, max_lazy, nice_length, max_chain)
- z_streamp strm;
- int good_length;
- int max_lazy;
- int nice_length;
- int max_chain;
-{
- deflate_state *s;
-
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- s = strm->state;
- s->good_match = good_length;
- s->max_lazy_match = max_lazy;
- s->nice_match = nice_length;
- s->max_chain_length = max_chain;
- return Z_OK;
-}
-
-/* =========================================================================
- * For the default windowBits of 15 and memLevel of 8, this function returns
- * a close to exact, as well as small, upper bound on the compressed size.
- * They are coded as constants here for a reason--if the #define's are
- * changed, then this function needs to be changed as well. The return
- * value for 15 and 8 only works for those exact settings.
- *
- * For any setting other than those defaults for windowBits and memLevel,
- * the value returned is a conservative worst case for the maximum expansion
- * resulting from using fixed blocks instead of stored blocks, which deflate
- * can emit on compressed data for some combinations of the parameters.
- *
- * This function could be more sophisticated to provide closer upper bounds
- * for every combination of windowBits and memLevel, as well as wrap.
- * But even the conservative upper bound of about 14% expansion does not
- * seem onerous for output buffer allocation.
- */
-uLong ZEXPORT deflateBound(strm, sourceLen)
- z_streamp strm;
- uLong sourceLen;
-{
- deflate_state *s;
- uLong destLen;
-
- /* conservative upper bound */
- destLen = sourceLen +
- ((sourceLen + 7) >> 3) + ((sourceLen + 63) >> 6) + 11;
-
- /* if can't get parameters, return conservative bound */
- if (strm == Z_NULL || strm->state == Z_NULL)
- return destLen;
-
- /* if not default parameters, return conservative bound */
- s = strm->state;
- if (s->w_bits != 15 || s->hash_bits != 8 + 7)
- return destLen;
-
- /* default settings: return tight bound for that case */
- return compressBound(sourceLen);
-}
-
-/* =========================================================================
- * Put a short in the pending buffer. The 16-bit value is put in MSB order.
- * IN assertion: the stream state is correct and there is enough room in
- * pending_buf.
- */
-local void putShortMSB (s, b)
- deflate_state *s;
- uInt b;
-{
- put_byte(s, (Byte)(b >> 8));
- put_byte(s, (Byte)(b & 0xff));
-}
-
-/* =========================================================================
- * Flush as much pending output as possible. All deflate() output goes
- * through this function so some applications may wish to modify it
- * to avoid allocating a large strm->next_out buffer and copying into it.
- * (See also read_buf()).
- */
-local void flush_pending(strm)
- z_streamp strm;
-{
- unsigned len = strm->state->pending;
-
- if (len > strm->avail_out) len = strm->avail_out;
- if (len == 0) return;
-
- zmemcpy(strm->next_out, strm->state->pending_out, len);
- strm->next_out += len;
- strm->state->pending_out += len;
- strm->total_out += len;
- strm->avail_out -= len;
- strm->state->pending -= len;
- if (strm->state->pending == 0) {
- strm->state->pending_out = strm->state->pending_buf;
- }
-}
-
-/* ========================================================================= */
-int ZEXPORT deflate (strm, flush)
- z_streamp strm;
- int flush;
-{
- int old_flush; /* value of flush param for previous deflate call */
- deflate_state *s;
-
- if (strm == Z_NULL || strm->state == Z_NULL ||
- flush > Z_FINISH || flush < 0) {
- return Z_STREAM_ERROR;
- }
- s = strm->state;
-
- if (strm->next_out == Z_NULL ||
- (strm->next_in == Z_NULL && strm->avail_in != 0) ||
- (s->status == FINISH_STATE && flush != Z_FINISH)) {
- ERR_RETURN(strm, Z_STREAM_ERROR);
- }
- if (strm->avail_out == 0) ERR_RETURN(strm, Z_BUF_ERROR);
-
- s->strm = strm; /* just in case */
- old_flush = s->last_flush;
- s->last_flush = flush;
-
- /* Write the header */
- if (s->status == INIT_STATE) {
-#ifdef GZIP
- if (s->wrap == 2) {
- strm->adler = crc32(0L, Z_NULL, 0);
- put_byte(s, 31);
- put_byte(s, 139);
- put_byte(s, 8);
- if (s->gzhead == NULL) {
- put_byte(s, 0);
- put_byte(s, 0);
- put_byte(s, 0);
- put_byte(s, 0);
- put_byte(s, 0);
- put_byte(s, s->level == 9 ? 2 :
- (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ?
- 4 : 0));
- put_byte(s, OS_CODE);
- s->status = BUSY_STATE;
- }
- else {
- put_byte(s, (s->gzhead->text ? 1 : 0) +
- (s->gzhead->hcrc ? 2 : 0) +
- (s->gzhead->extra == Z_NULL ? 0 : 4) +
- (s->gzhead->name == Z_NULL ? 0 : 8) +
- (s->gzhead->comment == Z_NULL ? 0 : 16)
- );
- put_byte(s, (Byte)(s->gzhead->time & 0xff));
- put_byte(s, (Byte)((s->gzhead->time >> 8) & 0xff));
- put_byte(s, (Byte)((s->gzhead->time >> 16) & 0xff));
- put_byte(s, (Byte)((s->gzhead->time >> 24) & 0xff));
- put_byte(s, s->level == 9 ? 2 :
- (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ?
- 4 : 0));
- put_byte(s, s->gzhead->os & 0xff);
- if (s->gzhead->extra != NULL) {
- put_byte(s, s->gzhead->extra_len & 0xff);
- put_byte(s, (s->gzhead->extra_len >> 8) & 0xff);
- }
- if (s->gzhead->hcrc)
- strm->adler = crc32(strm->adler, s->pending_buf,
- s->pending);
- s->gzindex = 0;
- s->status = EXTRA_STATE;
- }
- }
- else
-#endif
- {
- uInt header = (Z_DEFLATED + ((s->w_bits-8)<<4)) << 8;
- uInt level_flags;
-
- if (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2)
- level_flags = 0;
- else if (s->level < 6)
- level_flags = 1;
- else if (s->level == 6)
- level_flags = 2;
- else
- level_flags = 3;
- header |= (level_flags << 6);
- if (s->strstart != 0) header |= PRESET_DICT;
- header += 31 - (header % 31);
-
- s->status = BUSY_STATE;
- putShortMSB(s, header);
-
- /* Save the adler32 of the preset dictionary: */
- if (s->strstart != 0) {
- putShortMSB(s, (uInt)(strm->adler >> 16));
- putShortMSB(s, (uInt)(strm->adler & 0xffff));
- }
- strm->adler = adler32(0L, Z_NULL, 0);
- }
- }
-#ifdef GZIP
- if (s->status == EXTRA_STATE) {
- if (s->gzhead->extra != NULL) {
- uInt beg = s->pending; /* start of bytes to update crc */
-
- while (s->gzindex < (s->gzhead->extra_len & 0xffff)) {
- if (s->pending == s->pending_buf_size) {
- if (s->gzhead->hcrc && s->pending > beg)
- strm->adler = crc32(strm->adler, s->pending_buf + beg,
- s->pending - beg);
- flush_pending(strm);
- beg = s->pending;
- if (s->pending == s->pending_buf_size)
- break;
- }
- put_byte(s, s->gzhead->extra[s->gzindex]);
- s->gzindex++;
- }
- if (s->gzhead->hcrc && s->pending > beg)
- strm->adler = crc32(strm->adler, s->pending_buf + beg,
- s->pending - beg);
- if (s->gzindex == s->gzhead->extra_len) {
- s->gzindex = 0;
- s->status = NAME_STATE;
- }
- }
- else
- s->status = NAME_STATE;
- }
- if (s->status == NAME_STATE) {
- if (s->gzhead->name != NULL) {
- uInt beg = s->pending; /* start of bytes to update crc */
- int val;
-
- do {
- if (s->pending == s->pending_buf_size) {
- if (s->gzhead->hcrc && s->pending > beg)
- strm->adler = crc32(strm->adler, s->pending_buf + beg,
- s->pending - beg);
- flush_pending(strm);
- beg = s->pending;
- if (s->pending == s->pending_buf_size) {
- val = 1;
- break;
- }
- }
- val = s->gzhead->name[s->gzindex++];
- put_byte(s, val);
- } while (val != 0);
- if (s->gzhead->hcrc && s->pending > beg)
- strm->adler = crc32(strm->adler, s->pending_buf + beg,
- s->pending - beg);
- if (val == 0) {
- s->gzindex = 0;
- s->status = COMMENT_STATE;
- }
- }
- else
- s->status = COMMENT_STATE;
- }
- if (s->status == COMMENT_STATE) {
- if (s->gzhead->comment != NULL) {
- uInt beg = s->pending; /* start of bytes to update crc */
- int val;
-
- do {
- if (s->pending == s->pending_buf_size) {
- if (s->gzhead->hcrc && s->pending > beg)
- strm->adler = crc32(strm->adler, s->pending_buf + beg,
- s->pending - beg);
- flush_pending(strm);
- beg = s->pending;
- if (s->pending == s->pending_buf_size) {
- val = 1;
- break;
- }
- }
- val = s->gzhead->comment[s->gzindex++];
- put_byte(s, val);
- } while (val != 0);
- if (s->gzhead->hcrc && s->pending > beg)
- strm->adler = crc32(strm->adler, s->pending_buf + beg,
- s->pending - beg);
- if (val == 0)
- s->status = HCRC_STATE;
- }
- else
- s->status = HCRC_STATE;
- }
- if (s->status == HCRC_STATE) {
- if (s->gzhead->hcrc) {
- if (s->pending + 2 > s->pending_buf_size)
- flush_pending(strm);
- if (s->pending + 2 <= s->pending_buf_size) {
- put_byte(s, (Byte)(strm->adler & 0xff));
- put_byte(s, (Byte)((strm->adler >> 8) & 0xff));
- strm->adler = crc32(0L, Z_NULL, 0);
- s->status = BUSY_STATE;
- }
- }
- else
- s->status = BUSY_STATE;
- }
-#endif
-
- /* Flush as much pending output as possible */
- if (s->pending != 0) {
- flush_pending(strm);
- if (strm->avail_out == 0) {
- /* Since avail_out is 0, deflate will be called again with
- * more output space, but possibly with both pending and
- * avail_in equal to zero. There won't be anything to do,
- * but this is not an error situation so make sure we
- * return OK instead of BUF_ERROR at next call of deflate:
- */
- s->last_flush = -1;
- return Z_OK;
- }
-
- /* Make sure there is something to do and avoid duplicate consecutive
- * flushes. For repeated and useless calls with Z_FINISH, we keep
- * returning Z_STREAM_END instead of Z_BUF_ERROR.
- */
- } else if (strm->avail_in == 0 && flush <= old_flush &&
- flush != Z_FINISH) {
- ERR_RETURN(strm, Z_BUF_ERROR);
- }
-
- /* User must not provide more input after the first FINISH: */
- if (s->status == FINISH_STATE && strm->avail_in != 0) {
- ERR_RETURN(strm, Z_BUF_ERROR);
- }
-
- /* Start a new block or continue the current one.
- */
- if (strm->avail_in != 0 || s->lookahead != 0 ||
- (flush != Z_NO_FLUSH && s->status != FINISH_STATE)) {
- block_state bstate;
-
- bstate = (*(configuration_table[s->level].func))(s, flush);
-
- if (bstate == finish_started || bstate == finish_done) {
- s->status = FINISH_STATE;
- }
- if (bstate == need_more || bstate == finish_started) {
- if (strm->avail_out == 0) {
- s->last_flush = -1; /* avoid BUF_ERROR next call, see above */
- }
- return Z_OK;
- /* If flush != Z_NO_FLUSH && avail_out == 0, the next call
- * of deflate should use the same flush parameter to make sure
- * that the flush is complete. So we don't have to output an
- * empty block here, this will be done at next call. This also
- * ensures that for a very small output buffer, we emit at most
- * one empty block.
- */
- }
- if (bstate == block_done) {
- if (flush == Z_PARTIAL_FLUSH) {
- _tr_align(s);
- } else { /* FULL_FLUSH or SYNC_FLUSH */
- _tr_stored_block(s, (char*)0, 0L, 0);
- /* For a full flush, this empty block will be recognized
- * as a special marker by inflate_sync().
- */
- if (flush == Z_FULL_FLUSH) {
- CLEAR_HASH(s); /* forget history */
- }
- }
- flush_pending(strm);
- if (strm->avail_out == 0) {
- s->last_flush = -1; /* avoid BUF_ERROR at next call, see above */
- return Z_OK;
- }
- }
- }
- Assert(strm->avail_out > 0, "bug2");
-
- if (flush != Z_FINISH) return Z_OK;
- if (s->wrap <= 0) return Z_STREAM_END;
-
- /* Write the trailer */
-#ifdef GZIP
- if (s->wrap == 2) {
- put_byte(s, (Byte)(strm->adler & 0xff));
- put_byte(s, (Byte)((strm->adler >> 8) & 0xff));
- put_byte(s, (Byte)((strm->adler >> 16) & 0xff));
- put_byte(s, (Byte)((strm->adler >> 24) & 0xff));
- put_byte(s, (Byte)(strm->total_in & 0xff));
- put_byte(s, (Byte)((strm->total_in >> 8) & 0xff));
- put_byte(s, (Byte)((strm->total_in >> 16) & 0xff));
- put_byte(s, (Byte)((strm->total_in >> 24) & 0xff));
- }
- else
-#endif
- {
- putShortMSB(s, (uInt)(strm->adler >> 16));
- putShortMSB(s, (uInt)(strm->adler & 0xffff));
- }
- flush_pending(strm);
- /* If avail_out is zero, the application will call deflate again
- * to flush the rest.
- */
- if (s->wrap > 0) s->wrap = -s->wrap; /* write the trailer only once! */
- return s->pending != 0 ? Z_OK : Z_STREAM_END;
-}
-
-/* ========================================================================= */
-int ZEXPORT deflateEnd (strm)
- z_streamp strm;
-{
- int status;
-
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
-
- status = strm->state->status;
- if (status != INIT_STATE &&
- status != EXTRA_STATE &&
- status != NAME_STATE &&
- status != COMMENT_STATE &&
- status != HCRC_STATE &&
- status != BUSY_STATE &&
- status != FINISH_STATE) {
- return Z_STREAM_ERROR;
- }
-
- /* Deallocate in reverse order of allocations: */
- TRY_FREE(strm, strm->state->pending_buf);
- TRY_FREE(strm, strm->state->head);
- TRY_FREE(strm, strm->state->prev);
- TRY_FREE(strm, strm->state->window);
-
- ZFREE(strm, strm->state);
- strm->state = Z_NULL;
-
- return status == BUSY_STATE ? Z_DATA_ERROR : Z_OK;
-}
-
-/* =========================================================================
- * Copy the source state to the destination state.
- * To simplify the source, this is not supported for 16-bit MSDOS (which
- * doesn't have enough memory anyway to duplicate compression states).
- */
-int ZEXPORT deflateCopy (dest, source)
- z_streamp dest;
- z_streamp source;
-{
-#ifdef MAXSEG_64K
- return Z_STREAM_ERROR;
-#else
- deflate_state *ds;
- deflate_state *ss;
- ushf *overlay;
-
-
- if (source == Z_NULL || dest == Z_NULL || source->state == Z_NULL) {
- return Z_STREAM_ERROR;
- }
-
- ss = source->state;
-
- zmemcpy(dest, source, sizeof(z_stream));
-
- ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state));
- if (ds == Z_NULL) return Z_MEM_ERROR;
- dest->state = (struct internal_state FAR *) ds;
- zmemcpy(ds, ss, sizeof(deflate_state));
- ds->strm = dest;
-
- ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte));
- ds->prev = (Posf *) ZALLOC(dest, ds->w_size, sizeof(Pos));
- ds->head = (Posf *) ZALLOC(dest, ds->hash_size, sizeof(Pos));
- overlay = (ushf *) ZALLOC(dest, ds->lit_bufsize, sizeof(ush)+2);
- ds->pending_buf = (uchf *) overlay;
-
- if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL ||
- ds->pending_buf == Z_NULL) {
- deflateEnd (dest);
- return Z_MEM_ERROR;
- }
- /* following zmemcpy do not work for 16-bit MSDOS */
- zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte));
- zmemcpy(ds->prev, ss->prev, ds->w_size * sizeof(Pos));
- zmemcpy(ds->head, ss->head, ds->hash_size * sizeof(Pos));
- zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size);
-
- ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf);
- ds->d_buf = overlay + ds->lit_bufsize/sizeof(ush);
- ds->l_buf = ds->pending_buf + (1+sizeof(ush))*ds->lit_bufsize;
-
- ds->l_desc.dyn_tree = ds->dyn_ltree;
- ds->d_desc.dyn_tree = ds->dyn_dtree;
- ds->bl_desc.dyn_tree = ds->bl_tree;
-
- return Z_OK;
-#endif /* MAXSEG_64K */
-}
-
-/* ===========================================================================
- * Read a new buffer from the current input stream, update the adler32
- * and total number of bytes read. All deflate() input goes through
- * this function so some applications may wish to modify it to avoid
- * allocating a large strm->next_in buffer and copying from it.
- * (See also flush_pending()).
- */
-local int read_buf(strm, buf, size)
- z_streamp strm;
- Bytef *buf;
- unsigned size;
-{
- unsigned len = strm->avail_in;
-
- if (len > size) len = size;
- if (len == 0) return 0;
-
- strm->avail_in -= len;
-
- if (strm->state->wrap == 1) {
- strm->adler = adler32(strm->adler, strm->next_in, len);
- }
-#ifdef GZIP
- else if (strm->state->wrap == 2) {
- strm->adler = crc32(strm->adler, strm->next_in, len);
- }
-#endif
- zmemcpy(buf, strm->next_in, len);
- strm->next_in += len;
- strm->total_in += len;
-
- return (int)len;
-}
-
-/* ===========================================================================
- * Initialize the "longest match" routines for a new zlib stream
- */
-local void lm_init (s)
- deflate_state *s;
-{
- s->window_size = (ulg)2L*s->w_size;
-
- CLEAR_HASH(s);
-
- /* Set the default configuration parameters:
- */
- s->max_lazy_match = configuration_table[s->level].max_lazy;
- s->good_match = configuration_table[s->level].good_length;
- s->nice_match = configuration_table[s->level].nice_length;
- s->max_chain_length = configuration_table[s->level].max_chain;
-
- s->strstart = 0;
- s->block_start = 0L;
- s->lookahead = 0;
- s->match_length = s->prev_length = MIN_MATCH-1;
- s->match_available = 0;
- s->ins_h = 0;
-#ifndef FASTEST
-#ifdef ASMV
- match_init(); /* initialize the asm code */
-#endif
-#endif
-}
-
-#ifndef FASTEST
-/* ===========================================================================
- * Set match_start to the longest match starting at the given string and
- * return its length. Matches shorter or equal to prev_length are discarded,
- * in which case the result is equal to prev_length and match_start is
- * garbage.
- * IN assertions: cur_match is the head of the hash chain for the current
- * string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1
- * OUT assertion: the match length is not greater than s->lookahead.
- */
-#ifndef ASMV
-/* For 80x86 and 680x0, an optimized version will be provided in match.asm or
- * match.S. The code will be functionally equivalent.
- */
-local uInt longest_match(s, cur_match)
- deflate_state *s;
- IPos cur_match; /* current match */
-{
- unsigned chain_length = s->max_chain_length;/* max hash chain length */
- register Bytef *scan = s->window + s->strstart; /* current string */
- register Bytef *match; /* matched string */
- register int len; /* length of current match */
- int best_len = s->prev_length; /* best match length so far */
- int nice_match = s->nice_match; /* stop if match long enough */
- IPos limit = s->strstart > (IPos)MAX_DIST(s) ?
- s->strstart - (IPos)MAX_DIST(s) : NIL;
- /* Stop when cur_match becomes <= limit. To simplify the code,
- * we prevent matches with the string of window index 0.
- */
- Posf *prev = s->prev;
- uInt wmask = s->w_mask;
-
-#ifdef UNALIGNED_OK
- /* Compare two bytes at a time. Note: this is not always beneficial.
- * Try with and without -DUNALIGNED_OK to check.
- */
- register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1;
- register ush scan_start = *(ushf*)scan;
- register ush scan_end = *(ushf*)(scan+best_len-1);
-#else
- register Bytef *strend = s->window + s->strstart + MAX_MATCH;
- register Byte scan_end1 = scan[best_len-1];
- register Byte scan_end = scan[best_len];
-#endif
-
- /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16.
- * It is easy to get rid of this optimization if necessary.
- */
- Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever");
-
- /* Do not waste too much time if we already have a good match: */
- if (s->prev_length >= s->good_match) {
- chain_length >>= 2;
- }
- /* Do not look for matches beyond the end of the input. This is necessary
- * to make deflate deterministic.
- */
- if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
-
- Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead");
-
- do {
- Assert(cur_match < s->strstart, "no future");
- match = s->window + cur_match;
-
- /* Skip to next match if the match length cannot increase
- * or if the match length is less than 2. Note that the checks below
- * for insufficient lookahead only occur occasionally for performance
- * reasons. Therefore uninitialized memory will be accessed, and
- * conditional jumps will be made that depend on those values.
- * However the length of the match is limited to the lookahead, so
- * the output of deflate is not affected by the uninitialized values.
- */
-#if (defined(UNALIGNED_OK) && MAX_MATCH == 258)
- /* This code assumes sizeof(unsigned short) == 2. Do not use
- * UNALIGNED_OK if your compiler uses a different size.
- */
- if (*(ushf*)(match+best_len-1) != scan_end ||
- *(ushf*)match != scan_start) continue;
-
- /* It is not necessary to compare scan[2] and match[2] since they are
- * always equal when the other bytes match, given that the hash keys
- * are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at
- * strstart+3, +5, ... up to strstart+257. We check for insufficient
- * lookahead only every 4th comparison; the 128th check will be made
- * at strstart+257. If MAX_MATCH-2 is not a multiple of 8, it is
- * necessary to put more guard bytes at the end of the window, or
- * to check more often for insufficient lookahead.
- */
- Assert(scan[2] == match[2], "scan[2]?");
- scan++, match++;
- do {
- } while (*(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
- *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
- *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
- *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
- scan < strend);
- /* The funny "do {}" generates better code on most compilers */
-
- /* Here, scan <= window+strstart+257 */
- Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
- if (*scan == *match) scan++;
-
- len = (MAX_MATCH - 1) - (int)(strend-scan);
- scan = strend - (MAX_MATCH-1);
-
-#else /* UNALIGNED_OK */
-
- if (match[best_len] != scan_end ||
- match[best_len-1] != scan_end1 ||
- *match != *scan ||
- *++match != scan[1]) continue;
-
- /* The check at best_len-1 can be removed because it will be made
- * again later. (This heuristic is not always a win.)
- * It is not necessary to compare scan[2] and match[2] since they
- * are always equal when the other bytes match, given that
- * the hash keys are equal and that HASH_BITS >= 8.
- */
- scan += 2, match++;
- Assert(*scan == *match, "match[2]?");
-
- /* We check for insufficient lookahead only every 8th comparison;
- * the 256th check will be made at strstart+258.
- */
- do {
- } while (*++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- scan < strend);
-
- Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
-
- len = MAX_MATCH - (int)(strend - scan);
- scan = strend - MAX_MATCH;
-
-#endif /* UNALIGNED_OK */
-
- if (len > best_len) {
- s->match_start = cur_match;
- best_len = len;
- if (len >= nice_match) break;
-#ifdef UNALIGNED_OK
- scan_end = *(ushf*)(scan+best_len-1);
-#else
- scan_end1 = scan[best_len-1];
- scan_end = scan[best_len];
-#endif
- }
- } while ((cur_match = prev[cur_match & wmask]) > limit
- && --chain_length != 0);
-
- if ((uInt)best_len <= s->lookahead) return (uInt)best_len;
- return s->lookahead;
-}
-#endif /* ASMV */
-#endif /* FASTEST */
-
-/* ---------------------------------------------------------------------------
- * Optimized version for level == 1 or strategy == Z_RLE only
- */
-local uInt longest_match_fast(s, cur_match)
- deflate_state *s;
- IPos cur_match; /* current match */
-{
- register Bytef *scan = s->window + s->strstart; /* current string */
- register Bytef *match; /* matched string */
- register int len; /* length of current match */
- register Bytef *strend = s->window + s->strstart + MAX_MATCH;
-
- /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16.
- * It is easy to get rid of this optimization if necessary.
- */
- Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever");
-
- Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead");
-
- Assert(cur_match < s->strstart, "no future");
-
- match = s->window + cur_match;
-
- /* Return failure if the match length is less than 2:
- */
- if (match[0] != scan[0] || match[1] != scan[1]) return MIN_MATCH-1;
-
- /* The check at best_len-1 can be removed because it will be made
- * again later. (This heuristic is not always a win.)
- * It is not necessary to compare scan[2] and match[2] since they
- * are always equal when the other bytes match, given that
- * the hash keys are equal and that HASH_BITS >= 8.
- */
- scan += 2, match += 2;
- Assert(*scan == *match, "match[2]?");
-
- /* We check for insufficient lookahead only every 8th comparison;
- * the 256th check will be made at strstart+258.
- */
- do {
- } while (*++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- scan < strend);
-
- Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
-
- len = MAX_MATCH - (int)(strend - scan);
-
- if (len < MIN_MATCH) return MIN_MATCH - 1;
-
- s->match_start = cur_match;
- return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead;
-}
-
-#ifdef DEBUG
-/* ===========================================================================
- * Check that the match at match_start is indeed a match.
- */
-local void check_match(s, start, match, length)
- deflate_state *s;
- IPos start, match;
- int length;
-{
- /* check that the match is indeed a match */
- if (zmemcmp(s->window + match,
- s->window + start, length) != EQUAL) {
- fprintf(stderr, " start %u, match %u, length %d\n",
- start, match, length);
- do {
- fprintf(stderr, "%c%c", s->window[match++], s->window[start++]);
- } while (--length != 0);
- z_error("invalid match");
- }
- if (z_verbose > 1) {
- fprintf(stderr,"\\[%d,%d]", start-match, length);
- do { putc(s->window[start++], stderr); } while (--length != 0);
- }
-}
-#else
-# define check_match(s, start, match, length)
-#endif /* DEBUG */
-
-/* ===========================================================================
- * Fill the window when the lookahead becomes insufficient.
- * Updates strstart and lookahead.
- *
- * IN assertion: lookahead < MIN_LOOKAHEAD
- * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD
- * At least one byte has been read, or avail_in == 0; reads are
- * performed for at least two bytes (required for the zip translate_eol
- * option -- not supported here).
- */
-local void fill_window(s)
- deflate_state *s;
-{
- register unsigned n, m;
- register Posf *p;
- unsigned more; /* Amount of free space at the end of the window. */
- uInt wsize = s->w_size;
-
- do {
- more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart);
-
- /* Deal with !@#$% 64K limit: */
- if (sizeof(int) <= 2) {
- if (more == 0 && s->strstart == 0 && s->lookahead == 0) {
- more = wsize;
-
- } else if (more == (unsigned)(-1)) {
- /* Very unlikely, but possible on 16 bit machine if
- * strstart == 0 && lookahead == 1 (input done a byte at time)
- */
- more--;
- }
- }
-
- /* If the window is almost full and there is insufficient lookahead,
- * move the upper half to the lower one to make room in the upper half.
- */
- if (s->strstart >= wsize+MAX_DIST(s)) {
-
- zmemcpy(s->window, s->window+wsize, (unsigned)wsize);
- s->match_start -= wsize;
- s->strstart -= wsize; /* we now have strstart >= MAX_DIST */
- s->block_start -= (long) wsize;
-
- /* Slide the hash table (could be avoided with 32 bit values
- at the expense of memory usage). We slide even when level == 0
- to keep the hash table consistent if we switch back to level > 0
- later. (Using level 0 permanently is not an optimal usage of
- zlib, so we don't care about this pathological case.)
- */
- /* %%% avoid this when Z_RLE */
- n = s->hash_size;
- p = &s->head[n];
- do {
- m = *--p;
- *p = (Pos)(m >= wsize ? m-wsize : NIL);
- } while (--n);
-
- n = wsize;
-#ifndef FASTEST
- p = &s->prev[n];
- do {
- m = *--p;
- *p = (Pos)(m >= wsize ? m-wsize : NIL);
- /* If n is not on any hash chain, prev[n] is garbage but
- * its value will never be used.
- */
- } while (--n);
-#endif
- more += wsize;
- }
- if (s->strm->avail_in == 0) return;
-
- /* If there was no sliding:
- * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 &&
- * more == window_size - lookahead - strstart
- * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1)
- * => more >= window_size - 2*WSIZE + 2
- * In the BIG_MEM or MMAP case (not yet supported),
- * window_size == input_size + MIN_LOOKAHEAD &&
- * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD.
- * Otherwise, window_size == 2*WSIZE so more >= 2.
- * If there was sliding, more >= WSIZE. So in all cases, more >= 2.
- */
- Assert(more >= 2, "more < 2");
-
- n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more);
- s->lookahead += n;
-
- /* Initialize the hash value now that we have some input: */
- if (s->lookahead >= MIN_MATCH) {
- s->ins_h = s->window[s->strstart];
- UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]);
-#if MIN_MATCH != 3
- Call UPDATE_HASH() MIN_MATCH-3 more times
-#endif
- }
- /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage,
- * but this is not important since only literal bytes will be emitted.
- */
-
- } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0);
-}
-
-/* ===========================================================================
- * Flush the current block, with given end-of-file flag.
- * IN assertion: strstart is set to the end of the current match.
- */
-#define FLUSH_BLOCK_ONLY(s, eof) { \
- _tr_flush_block(s, (s->block_start >= 0L ? \
- (charf *)&s->window[(unsigned)s->block_start] : \
- (charf *)Z_NULL), \
- (ulg)((long)s->strstart - s->block_start), \
- (eof)); \
- s->block_start = s->strstart; \
- flush_pending(s->strm); \
- Tracev((stderr,"[FLUSH]")); \
-}
-
-/* Same but force premature exit if necessary. */
-#define FLUSH_BLOCK(s, eof) { \
- FLUSH_BLOCK_ONLY(s, eof); \
- if (s->strm->avail_out == 0) return (eof) ? finish_started : need_more; \
-}
-
-/* ===========================================================================
- * Copy without compression as much as possible from the input stream, return
- * the current block state.
- * This function does not insert new strings in the dictionary since
- * uncompressible data is probably not useful. This function is used
- * only for the level=0 compression option.
- * NOTE: this function should be optimized to avoid extra copying from
- * window to pending_buf.
- */
-local block_state deflate_stored(s, flush)
- deflate_state *s;
- int flush;
-{
- /* Stored blocks are limited to 0xffff bytes, pending_buf is limited
- * to pending_buf_size, and each stored block has a 5 byte header:
- */
- ulg max_block_size = 0xffff;
- ulg max_start;
-
- if (max_block_size > s->pending_buf_size - 5) {
- max_block_size = s->pending_buf_size - 5;
- }
-
- /* Copy as much as possible from input to output: */
- for (;;) {
- /* Fill the window as much as possible: */
- if (s->lookahead <= 1) {
-
- Assert(s->strstart < s->w_size+MAX_DIST(s) ||
- s->block_start >= (long)s->w_size, "slide too late");
-
- fill_window(s);
- if (s->lookahead == 0 && flush == Z_NO_FLUSH) return need_more;
-
- if (s->lookahead == 0) break; /* flush the current block */
- }
- Assert(s->block_start >= 0L, "block gone");
-
- s->strstart += s->lookahead;
- s->lookahead = 0;
-
- /* Emit a stored block if pending_buf will be full: */
- max_start = s->block_start + max_block_size;
- if (s->strstart == 0 || (ulg)s->strstart >= max_start) {
- /* strstart == 0 is possible when wraparound on 16-bit machine */
- s->lookahead = (uInt)(s->strstart - max_start);
- s->strstart = (uInt)max_start;
- FLUSH_BLOCK(s, 0);
- }
- /* Flush if we may have to slide, otherwise block_start may become
- * negative and the data will be gone:
- */
- if (s->strstart - (uInt)s->block_start >= MAX_DIST(s)) {
- FLUSH_BLOCK(s, 0);
- }
- }
- FLUSH_BLOCK(s, flush == Z_FINISH);
- return flush == Z_FINISH ? finish_done : block_done;
-}
-
-/* ===========================================================================
- * Compress as much as possible from the input stream, return the current
- * block state.
- * This function does not perform lazy evaluation of matches and inserts
- * new strings in the dictionary only for unmatched strings or for short
- * matches. It is used only for the fast compression options.
- */
-local block_state deflate_fast(s, flush)
- deflate_state *s;
- int flush;
-{
- IPos hash_head = NIL; /* head of the hash chain */
- int bflush; /* set if current block must be flushed */
-
- for (;;) {
- /* Make sure that we always have enough lookahead, except
- * at the end of the input file. We need MAX_MATCH bytes
- * for the next match, plus MIN_MATCH bytes to insert the
- * string following the next match.
- */
- if (s->lookahead < MIN_LOOKAHEAD) {
- fill_window(s);
- if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) {
- return need_more;
- }
- if (s->lookahead == 0) break; /* flush the current block */
- }
-
- /* Insert the string window[strstart .. strstart+2] in the
- * dictionary, and set hash_head to the head of the hash chain:
- */
- if (s->lookahead >= MIN_MATCH) {
- INSERT_STRING(s, s->strstart, hash_head);
- }
-
- /* Find the longest match, discarding those <= prev_length.
- * At this point we have always match_length < MIN_MATCH
- */
- if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) {
- /* To simplify the code, we prevent matches with the string
- * of window index 0 (in particular we have to avoid a match
- * of the string with itself at the start of the input file).
- */
-#ifdef FASTEST
- if ((s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) ||
- (s->strategy == Z_RLE && s->strstart - hash_head == 1)) {
- s->match_length = longest_match_fast (s, hash_head);
- }
-#else
- if (s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) {
- s->match_length = longest_match (s, hash_head);
- } else if (s->strategy == Z_RLE && s->strstart - hash_head == 1) {
- s->match_length = longest_match_fast (s, hash_head);
- }
-#endif
- /* longest_match() or longest_match_fast() sets match_start */
- }
- if (s->match_length >= MIN_MATCH) {
- check_match(s, s->strstart, s->match_start, s->match_length);
-
- _tr_tally_dist(s, s->strstart - s->match_start,
- s->match_length - MIN_MATCH, bflush);
-
- s->lookahead -= s->match_length;
-
- /* Insert new strings in the hash table only if the match length
- * is not too large. This saves time but degrades compression.
- */
-#ifndef FASTEST
- if (s->match_length <= s->max_insert_length &&
- s->lookahead >= MIN_MATCH) {
- s->match_length--; /* string at strstart already in table */
- do {
- s->strstart++;
- INSERT_STRING(s, s->strstart, hash_head);
- /* strstart never exceeds WSIZE-MAX_MATCH, so there are
- * always MIN_MATCH bytes ahead.
- */
- } while (--s->match_length != 0);
- s->strstart++;
- } else
-#endif
- {
- s->strstart += s->match_length;
- s->match_length = 0;
- s->ins_h = s->window[s->strstart];
- UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]);
-#if MIN_MATCH != 3
- Call UPDATE_HASH() MIN_MATCH-3 more times
-#endif
- /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not
- * matter since it will be recomputed at next deflate call.
- */
- }
- } else {
- /* No match, output a literal byte */
- Tracevv((stderr,"%c", s->window[s->strstart]));
- _tr_tally_lit (s, s->window[s->strstart], bflush);
- s->lookahead--;
- s->strstart++;
- }
- if (bflush) FLUSH_BLOCK(s, 0);
- }
- FLUSH_BLOCK(s, flush == Z_FINISH);
- return flush == Z_FINISH ? finish_done : block_done;
-}
-
-#ifndef FASTEST
-/* ===========================================================================
- * Same as above, but achieves better compression. We use a lazy
- * evaluation for matches: a match is finally adopted only if there is
- * no better match at the next window position.
- */
-local block_state deflate_slow(s, flush)
- deflate_state *s;
- int flush;
-{
- IPos hash_head = NIL; /* head of hash chain */
- int bflush; /* set if current block must be flushed */
-
- /* Process the input block. */
- for (;;) {
- /* Make sure that we always have enough lookahead, except
- * at the end of the input file. We need MAX_MATCH bytes
- * for the next match, plus MIN_MATCH bytes to insert the
- * string following the next match.
- */
- if (s->lookahead < MIN_LOOKAHEAD) {
- fill_window(s);
- if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) {
- return need_more;
- }
- if (s->lookahead == 0) break; /* flush the current block */
- }
-
- /* Insert the string window[strstart .. strstart+2] in the
- * dictionary, and set hash_head to the head of the hash chain:
- */
- if (s->lookahead >= MIN_MATCH) {
- INSERT_STRING(s, s->strstart, hash_head);
- }
-
- /* Find the longest match, discarding those <= prev_length.
- */
- s->prev_length = s->match_length, s->prev_match = s->match_start;
- s->match_length = MIN_MATCH-1;
-
- if (hash_head != NIL && s->prev_length < s->max_lazy_match &&
- s->strstart - hash_head <= MAX_DIST(s)) {
- /* To simplify the code, we prevent matches with the string
- * of window index 0 (in particular we have to avoid a match
- * of the string with itself at the start of the input file).
- */
- if (s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) {
- s->match_length = longest_match (s, hash_head);
- } else if (s->strategy == Z_RLE && s->strstart - hash_head == 1) {
- s->match_length = longest_match_fast (s, hash_head);
- }
- /* longest_match() or longest_match_fast() sets match_start */
-
- if (s->match_length <= 5 && (s->strategy == Z_FILTERED
-#if TOO_FAR <= 32767
- || (s->match_length == MIN_MATCH &&
- s->strstart - s->match_start > TOO_FAR)
-#endif
- )) {
-
- /* If prev_match is also MIN_MATCH, match_start is garbage
- * but we will ignore the current match anyway.
- */
- s->match_length = MIN_MATCH-1;
- }
- }
- /* If there was a match at the previous step and the current
- * match is not better, output the previous match:
- */
- if (s->prev_length >= MIN_MATCH && s->match_length <= s->prev_length) {
- uInt max_insert = s->strstart + s->lookahead - MIN_MATCH;
- /* Do not insert strings in hash table beyond this. */
-
- check_match(s, s->strstart-1, s->prev_match, s->prev_length);
-
- _tr_tally_dist(s, s->strstart -1 - s->prev_match,
- s->prev_length - MIN_MATCH, bflush);
-
- /* Insert in hash table all strings up to the end of the match.
- * strstart-1 and strstart are already inserted. If there is not
- * enough lookahead, the last two strings are not inserted in
- * the hash table.
- */
- s->lookahead -= s->prev_length-1;
- s->prev_length -= 2;
- do {
- if (++s->strstart <= max_insert) {
- INSERT_STRING(s, s->strstart, hash_head);
- }
- } while (--s->prev_length != 0);
- s->match_available = 0;
- s->match_length = MIN_MATCH-1;
- s->strstart++;
-
- if (bflush) FLUSH_BLOCK(s, 0);
-
- } else if (s->match_available) {
- /* If there was no match at the previous position, output a
- * single literal. If there was a match but the current match
- * is longer, truncate the previous match to a single literal.
- */
- Tracevv((stderr,"%c", s->window[s->strstart-1]));
- _tr_tally_lit(s, s->window[s->strstart-1], bflush);
- if (bflush) {
- FLUSH_BLOCK_ONLY(s, 0);
- }
- s->strstart++;
- s->lookahead--;
- if (s->strm->avail_out == 0) return need_more;
- } else {
- /* There is no previous match to compare with, wait for
- * the next step to decide.
- */
- s->match_available = 1;
- s->strstart++;
- s->lookahead--;
- }
- }
- Assert (flush != Z_NO_FLUSH, "no flush?");
- if (s->match_available) {
- Tracevv((stderr,"%c", s->window[s->strstart-1]));
- _tr_tally_lit(s, s->window[s->strstart-1], bflush);
- s->match_available = 0;
- }
- FLUSH_BLOCK(s, flush == Z_FINISH);
- return flush == Z_FINISH ? finish_done : block_done;
-}
-#endif /* FASTEST */
-
-#if 0
-/* ===========================================================================
- * For Z_RLE, simply look for runs of bytes, generate matches only of distance
- * one. Do not maintain a hash table. (It will be regenerated if this run of
- * deflate switches away from Z_RLE.)
- */
-local block_state deflate_rle(s, flush)
- deflate_state *s;
- int flush;
-{
- int bflush; /* set if current block must be flushed */
- uInt run; /* length of run */
- uInt max; /* maximum length of run */
- uInt prev; /* byte at distance one to match */
- Bytef *scan; /* scan for end of run */
-
- for (;;) {
- /* Make sure that we always have enough lookahead, except
- * at the end of the input file. We need MAX_MATCH bytes
- * for the longest encodable run.
- */
- if (s->lookahead < MAX_MATCH) {
- fill_window(s);
- if (s->lookahead < MAX_MATCH && flush == Z_NO_FLUSH) {
- return need_more;
- }
- if (s->lookahead == 0) break; /* flush the current block */
- }
-
- /* See how many times the previous byte repeats */
- run = 0;
- if (s->strstart > 0) { /* if there is a previous byte, that is */
- max = s->lookahead < MAX_MATCH ? s->lookahead : MAX_MATCH;
- scan = s->window + s->strstart - 1;
- prev = *scan++;
- do {
- if (*scan++ != prev)
- break;
- } while (++run < max);
- }
-
- /* Emit match if have run of MIN_MATCH or longer, else emit literal */
- if (run >= MIN_MATCH) {
- check_match(s, s->strstart, s->strstart - 1, run);
- _tr_tally_dist(s, 1, run - MIN_MATCH, bflush);
- s->lookahead -= run;
- s->strstart += run;
- } else {
- /* No match, output a literal byte */
- Tracevv((stderr,"%c", s->window[s->strstart]));
- _tr_tally_lit (s, s->window[s->strstart], bflush);
- s->lookahead--;
- s->strstart++;
- }
- if (bflush) FLUSH_BLOCK(s, 0);
- }
- FLUSH_BLOCK(s, flush == Z_FINISH);
- return flush == Z_FINISH ? finish_done : block_done;
-}
-#endif
+++ /dev/null
-/* deflate.h -- internal compression state
- * Copyright (C) 1995-2004 Jean-loup Gailly
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
- part of the implementation of the compression library and is
- subject to change. Applications should only use zlib.h.
- */
-
-/* @(#) $Id$ */
-
-#ifndef DEFLATE_H
-#define DEFLATE_H
-
-#include "zutil.h"
-
-/* define NO_GZIP when compiling if you want to disable gzip header and
- trailer creation by deflate(). NO_GZIP would be used to avoid linking in
- the crc code when it is not needed. For shared libraries, gzip encoding
- should be left enabled. */
-#ifndef NO_GZIP
-# define GZIP
-#endif
-
-/* ===========================================================================
- * Internal compression state.
- */
-
-#define LENGTH_CODES 29
-/* number of length codes, not counting the special END_BLOCK code */
-
-#define LITERALS 256
-/* number of literal bytes 0..255 */
-
-#define L_CODES (LITERALS+1+LENGTH_CODES)
-/* number of Literal or Length codes, including the END_BLOCK code */
-
-#define D_CODES 30
-/* number of distance codes */
-
-#define BL_CODES 19
-/* number of codes used to transfer the bit lengths */
-
-#define HEAP_SIZE (2*L_CODES+1)
-/* maximum heap size */
-
-#define MAX_BITS 15
-/* All codes must not exceed MAX_BITS bits */
-
-#define INIT_STATE 42
-#define EXTRA_STATE 69
-#define NAME_STATE 73
-#define COMMENT_STATE 91
-#define HCRC_STATE 103
-#define BUSY_STATE 113
-#define FINISH_STATE 666
-/* Stream status */
-
-
-/* Data structure describing a single value and its code string. */
-typedef struct ct_data_s {
- union {
- ush freq; /* frequency count */
- ush code; /* bit string */
- } fc;
- union {
- ush dad; /* father node in Huffman tree */
- ush len; /* length of bit string */
- } dl;
-} FAR ct_data;
-
-#define Freq fc.freq
-#define Code fc.code
-#define Dad dl.dad
-#define Len dl.len
-
-typedef struct static_tree_desc_s static_tree_desc;
-
-typedef struct tree_desc_s {
- ct_data *dyn_tree; /* the dynamic tree */
- int max_code; /* largest code with non zero frequency */
- static_tree_desc *stat_desc; /* the corresponding static tree */
-} FAR tree_desc;
-
-typedef ush Pos;
-typedef Pos FAR Posf;
-typedef unsigned IPos;
-
-/* A Pos is an index in the character window. We use short instead of int to
- * save space in the various tables. IPos is used only for parameter passing.
- */
-
-typedef struct internal_state {
- z_streamp strm; /* pointer back to this zlib stream */
- int status; /* as the name implies */
- Bytef *pending_buf; /* output still pending */
- ulg pending_buf_size; /* size of pending_buf */
- Bytef *pending_out; /* next pending byte to output to the stream */
- uInt pending; /* nb of bytes in the pending buffer */
- int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
- gz_headerp gzhead; /* gzip header information to write */
- uInt gzindex; /* where in extra, name, or comment */
- Byte method; /* STORED (for zip only) or DEFLATED */
- int last_flush; /* value of flush param for previous deflate call */
-
- /* used by deflate.c: */
-
- uInt w_size; /* LZ77 window size (32K by default) */
- uInt w_bits; /* log2(w_size) (8..16) */
- uInt w_mask; /* w_size - 1 */
-
- Bytef *window;
- /* Sliding window. Input bytes are read into the second half of the window,
- * and move to the first half later to keep a dictionary of at least wSize
- * bytes. With this organization, matches are limited to a distance of
- * wSize-MAX_MATCH bytes, but this ensures that IO is always
- * performed with a length multiple of the block size. Also, it limits
- * the window size to 64K, which is quite useful on MSDOS.
- * To do: use the user input buffer as sliding window.
- */
-
- ulg window_size;
- /* Actual size of window: 2*wSize, except when the user input buffer
- * is directly used as sliding window.
- */
-
- Posf *prev;
- /* Link to older string with same hash index. To limit the size of this
- * array to 64K, this link is maintained only for the last 32K strings.
- * An index in this array is thus a window index modulo 32K.
- */
-
- Posf *head; /* Heads of the hash chains or NIL. */
-
- uInt ins_h; /* hash index of string to be inserted */
- uInt hash_size; /* number of elements in hash table */
- uInt hash_bits; /* log2(hash_size) */
- uInt hash_mask; /* hash_size-1 */
-
- uInt hash_shift;
- /* Number of bits by which ins_h must be shifted at each input
- * step. It must be such that after MIN_MATCH steps, the oldest
- * byte no longer takes part in the hash key, that is:
- * hash_shift * MIN_MATCH >= hash_bits
- */
-
- long block_start;
- /* Window position at the beginning of the current output block. Gets
- * negative when the window is moved backwards.
- */
-
- uInt match_length; /* length of best match */
- IPos prev_match; /* previous match */
- int match_available; /* set if previous match exists */
- uInt strstart; /* start of string to insert */
- uInt match_start; /* start of matching string */
- uInt lookahead; /* number of valid bytes ahead in window */
-
- uInt prev_length;
- /* Length of the best match at previous step. Matches not greater than this
- * are discarded. This is used in the lazy match evaluation.
- */
-
- uInt max_chain_length;
- /* To speed up deflation, hash chains are never searched beyond this
- * length. A higher limit improves compression ratio but degrades the
- * speed.
- */
-
- uInt max_lazy_match;
- /* Attempt to find a better match only when the current match is strictly
- * smaller than this value. This mechanism is used only for compression
- * levels >= 4.
- */
-# define max_insert_length max_lazy_match
- /* Insert new strings in the hash table only if the match length is not
- * greater than this length. This saves time but degrades compression.
- * max_insert_length is used only for compression levels <= 3.
- */
-
- int level; /* compression level (1..9) */
- int strategy; /* favor or force Huffman coding*/
-
- uInt good_match;
- /* Use a faster search when the previous match is longer than this */
-
- int nice_match; /* Stop searching when current match exceeds this */
-
- /* used by trees.c: */
- /* Didn't use ct_data typedef below to supress compiler warning */
- struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */
- struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
- struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */
-
- struct tree_desc_s l_desc; /* desc. for literal tree */
- struct tree_desc_s d_desc; /* desc. for distance tree */
- struct tree_desc_s bl_desc; /* desc. for bit length tree */
-
- ush bl_count[MAX_BITS+1];
- /* number of codes at each bit length for an optimal tree */
-
- int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */
- int heap_len; /* number of elements in the heap */
- int heap_max; /* element of largest frequency */
- /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used.
- * The same heap array is used to build all trees.
- */
-
- uch depth[2*L_CODES+1];
- /* Depth of each subtree used as tie breaker for trees of equal frequency
- */
-
- uchf *l_buf; /* buffer for literals or lengths */
-
- uInt lit_bufsize;
- /* Size of match buffer for literals/lengths. There are 4 reasons for
- * limiting lit_bufsize to 64K:
- * - frequencies can be kept in 16 bit counters
- * - if compression is not successful for the first block, all input
- * data is still in the window so we can still emit a stored block even
- * when input comes from standard input. (This can also be done for
- * all blocks if lit_bufsize is not greater than 32K.)
- * - if compression is not successful for a file smaller than 64K, we can
- * even emit a stored file instead of a stored block (saving 5 bytes).
- * This is applicable only for zip (not gzip or zlib).
- * - creating new Huffman trees less frequently may not provide fast
- * adaptation to changes in the input data statistics. (Take for
- * example a binary file with poorly compressible code followed by
- * a highly compressible string table.) Smaller buffer sizes give
- * fast adaptation but have of course the overhead of transmitting
- * trees more frequently.
- * - I can't count above 4
- */
-
- uInt last_lit; /* running index in l_buf */
-
- ushf *d_buf;
- /* Buffer for distances. To simplify the code, d_buf and l_buf have
- * the same number of elements. To use different lengths, an extra flag
- * array would be necessary.
- */
-
- ulg opt_len; /* bit length of current block with optimal trees */
- ulg static_len; /* bit length of current block with static trees */
- uInt matches; /* number of string matches in current block */
- int last_eob_len; /* bit length of EOB code for last block */
-
-#ifdef DEBUG
- ulg compressed_len; /* total bit length of compressed file mod 2^32 */
- ulg bits_sent; /* bit length of compressed data sent mod 2^32 */
-#endif
-
- ush bi_buf;
- /* Output buffer. bits are inserted starting at the bottom (least
- * significant bits).
- */
- int bi_valid;
- /* Number of valid bits in bi_buf. All bits above the last valid bit
- * are always zero.
- */
-
-} FAR deflate_state;
-
-/* Output a byte on the stream.
- * IN assertion: there is enough room in pending_buf.
- */
-#define put_byte(s, c) {s->pending_buf[s->pending++] = (c);}
-
-
-#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
-/* Minimum amount of lookahead, except at the end of the input file.
- * See deflate.c for comments about the MIN_MATCH+1.
- */
-
-#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD)
-/* In order to simplify the code, particularly on 16 bit machines, match
- * distances are limited to MAX_DIST instead of WSIZE.
- */
-
- /* in trees.c */
-void _tr_init OF((deflate_state *s));
-int _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc));
-void _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len,
- int eof));
-void _tr_align OF((deflate_state *s));
-void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len,
- int eof));
-
-#define d_code(dist) \
- ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])
-/* Mapping from a distance to a distance code. dist is the distance - 1 and
- * must not have side effects. _dist_code[256] and _dist_code[257] are never
- * used.
- */
-
-#ifndef DEBUG
-/* Inline versions of _tr_tally for speed: */
-
-#if defined(GEN_TREES_H) || !defined(STDC)
- extern uch _length_code[];
- extern uch _dist_code[];
-#else
- extern const uch _length_code[];
- extern const uch _dist_code[];
-#endif
-
-# define _tr_tally_lit(s, c, flush) \
- { uch cc = (c); \
- s->d_buf[s->last_lit] = 0; \
- s->l_buf[s->last_lit++] = cc; \
- s->dyn_ltree[cc].Freq++; \
- flush = (s->last_lit == s->lit_bufsize-1); \
- }
-# define _tr_tally_dist(s, distance, length, flush) \
- { uch len = (length); \
- ush dist = (distance); \
- s->d_buf[s->last_lit] = dist; \
- s->l_buf[s->last_lit++] = len; \
- dist--; \
- s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
- s->dyn_dtree[d_code(dist)].Freq++; \
- flush = (s->last_lit == s->lit_bufsize-1); \
- }
-#else
-# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)
-# define _tr_tally_dist(s, distance, length, flush) \
- flush = _tr_tally(s, distance, length)
-#endif
-
-#endif /* DEFLATE_H */
+++ /dev/null
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <winver.h>
-
-#define VER_FILEVERSION 1,2,2,1828
-#define VER_FILEVERSION_STR "1.2.2.1828"
-#define VER_FILELTVERSION_STR ""
-#define VER_LEGALCOPYRIGHT_STR "© 2005 Jean-loup Gailly <jloup@gzip.org >, Mark Adler <madler@alumni.caltech.edu>"
-//#define VER_COMMENT_STR ""
-
-#define VER_FILEDESCRIPTION_STR "Zlib: general purpose data compression / decompression library"
-#define VER_INTERNALNAME_STR "example"
-#define VER_ORIGINALFILENAME_STR "example.exe"
-#define VER_WWW_STR "http://www.gzip.org/zlib"
-#define VER_COMPANYNAME_STR "Zlib"
-#define VER_LICENSE_STR "(C) 1995-2002 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. Jean-loup Gailly Mark Adler jloup@gzip.org madler@alumni.caltech.edu "
-#define VER_LEGALTRADEMARKS_STR "Zlib®, Zlib®, example®"
-
-#define VER_PRODUCTNAME_STR "Zlib"
-#define VER_PRODUCTVERSION 1,2,2,1828
-#define VER_PRODUCTVERSION_STR "1.2.2.1828"
-
-
-#undef OFFICIAL
-#define FINAL 1
-
-#define GNUWIN32_SPECIALBUILD_STR "GNU for Win32 <gnuwin32.sourceforge.net>"
-
-#define VER_FILETYPE VFT_APP
-#ifndef VER_FILETYPE
-#define VER_FILETYPE VFT_APP
-#endif
-
-#define VER_FILESUBTYPE VFT2_UNKNOWN
-
-#ifndef DEBUG
-#define VER_DEBUG 0
-#else /* DEBUG */
-#define VER_DEBUG VS_FF_DEBUG
-#endif
-
-#ifndef PATCHED
-#define VER_PATCHED 0
-#else /* PATCHED */
-#define VER_PATCHED VS_FF_PATCHED
-#endif
-
-#ifndef OFFICIAL
-#define VER_SPECIALBUILD VS_FF_SPECIALBUILD
-#ifndef VER_SPECIALBUILD_STR
-#define VER_SPECIALBUILD_STR GNUWIN32_SPECIALBUILD_STR
-#endif
-#else /* OFFICIAL */
-#define VER_SPECIALBUILD 0
-#endif /* OFFICIAL */
-
-#ifndef FINAL
-#define VER_PRIVATEBUILD VS_FF_PRIVATEBUILD
-#ifndef VER_PRIVATEBUILD_STR
-#define VER_PRIVATEBUILD_STR "Pre-release"
-#endif /* VER_PRIVATEBUILD_STR */
-#define VER_PRERELEASE VS_FF_PRERELEASE
-#else /* FINAL */
-#define VER_PRIVATEBUILD 0
-#define VER_PRERELEASE 0
-#endif /* FINAL */
-
-#define VER_FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
-#define VER_FILEFLAGS (VER_PRIVATEBUILD|VER_SPECIALBUILD|VER_PRERELEASE|VER_DEBUG|VER_PATCHED)
-
-#define VER_FILEOS VOS__WINDOWS32
-
-#ifdef RC_INVOKED
-
-VS_VERSION_INFO VERSIONINFO
-FILEVERSION VER_FILEVERSION
-PRODUCTVERSION VER_PRODUCTVERSION
-FILEFLAGSMASK VER_FILEFLAGSMASK
-FILEFLAGS VER_FILEFLAGS
-FILEOS VER_FILEOS
-FILETYPE VER_FILETYPE
-FILESUBTYPE VER_FILESUBTYPE
-
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN
- BLOCK "040904E4"
- /* language ID = U.S. English, char set = Windows, Multilingual */
- BEGIN
-#ifdef VER_COMMENT_STR
- VALUE "Comments", VER_COMMENT_STR
-#endif
- VALUE "CompanyName", VER_COMPANYNAME_STR
- VALUE "License", VER_LICENSE_STR
- VALUE "FileDescription", VER_FILEDESCRIPTION_STR
- VALUE "FileVersion", VER_FILEVERSION_STR
-#if !(VER_FILETYPE-VFT_DLL)
- VALUE "LibToolFileVersion",VER_FILELTVERSION_STR
-#endif
- VALUE "InternalName", VER_INTERNALNAME_STR
-#ifdef VER_LEGALCOPYRIGHT_STR
- VALUE "LegalCopyright", VER_LEGALCOPYRIGHT_STR
-#endif
-#ifdef VER_LEGALTRADEMARKS_STR
- VALUE "LegalTrademarks", VER_LEGALTRADEMARKS_STR
-#endif
- VALUE "OriginalFilename", VER_ORIGINALFILENAME_STR
- VALUE "ProductName", VER_PRODUCTNAME_STR
- VALUE "ProductVersion", VER_PRODUCTVERSION_STR
-#ifdef VER_PATCHLEVEL_STR
- VALUE "Patch level", VER_PATCHLEVEL_STR
-#endif
-#ifdef VER_PRIVATEBUILD_STR
- VALUE "PrivateBuild", VER_PRIVATEBUILD_STR
-#endif
-#ifdef VER_SPECIALBUILD_STR
- VALUE "SpecialBuild", VER_SPECIALBUILD_STR
-#endif
-#ifdef VER_AUTHOR_STR
- VALUE "Authors", VER_AUTHOR_STR
-#endif
-#ifdef VER_WWW_STR
- VALUE "WWW", VER_WWW_STR
-#endif
-END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x409, 1252
- END
-END
-
-#endif /* RC_INVOKED */
-500 ICON MOVEABLE PURE LOADONCALL DISCARDABLE "zlib.ico"
+++ /dev/null
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <winver.h>
-
-#define VER_FILEVERSION 1,2,1,1429
-#define VER_FILEVERSION_STR "1.2.1.1429"
-#define VER_FILELTVERSION_STR ""
-#define VER_LEGALCOPYRIGHT_STR "© 2003 Jean-loup Gailly <jloup@gzip.org >, Mark Adler <madler@alumni.caltech.edu>"
-//#define VER_COMMENT_STR ""
-
-#define VER_FILEDESCRIPTION_STR "Zlib: general purpose data compression / decompression library"
-#define VER_INTERNALNAME_STR "example-static"
-#define VER_ORIGINALFILENAME_STR "example-static.exe"
-#define VER_WWW_STR "http://www.gzip.org/zlib"
-#define VER_COMPANYNAME_STR "Zlib"
-#define VER_LICENSE_STR " (C) 1995-2002 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. Jean-loup Gailly Mark Adler jloup@gzip.org madler@alumni.caltech.edu"
-#define VER_LEGALTRADEMARKS_STR "Zlib®, example-static®"
-
-#define VER_PRODUCTNAME_STR "Zlib"
-#define VER_PRODUCTVERSION 1,2,1,1429
-#define VER_PRODUCTVERSION_STR "1.2.1.1429"
-
-#undef OFFICIAL
-#define FINAL 1
-
-#define GNUWIN32_SPECIALBUILD_STR "GNU for Win32 <gnuwin32.sourceforge.net>"
-
-#define VER_FILETYPE VFT_APP
-#ifndef VER_FILETYPE
-#define VER_FILETYPE VFT_APP
-#endif
-
-#define VER_FILESUBTYPE VFT2_UNKNOWN
-
-#ifndef DEBUG
-#define VER_DEBUG 0
-#else /* DEBUG */
-#define VER_DEBUG VS_FF_DEBUG
-#endif
-
-#ifndef PATCHED
-#define VER_PATCHED 0
-#else /* PATCHED */
-#define VER_PATCHED VS_FF_PATCHED
-#endif
-
-#ifndef OFFICIAL
-#define VER_SPECIALBUILD VS_FF_SPECIALBUILD
-#ifndef VER_SPECIALBUILD_STR
-#define VER_SPECIALBUILD_STR GNUWIN32_SPECIALBUILD_STR
-#endif
-#else /* OFFICIAL */
-#define VER_SPECIALBUILD 0
-#endif /* OFFICIAL */
-
-#ifndef FINAL
-#define VER_PRIVATEBUILD VS_FF_PRIVATEBUILD
-#ifndef VER_PRIVATEBUILD_STR
-#define VER_PRIVATEBUILD_STR "Pre-release"
-#endif /* VER_PRIVATEBUILD_STR */
-#define VER_PRERELEASE VS_FF_PRERELEASE
-#else /* FINAL */
-#define VER_PRIVATEBUILD 0
-#define VER_PRERELEASE 0
-#endif /* FINAL */
-
-#define VER_FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
-#define VER_FILEFLAGS (VER_PRIVATEBUILD|VER_SPECIALBUILD|VER_PRERELEASE|VER_DEBUG|VER_PATCHED)
-
-#define VER_FILEOS VOS__WINDOWS32
-
-#ifdef RC_INVOKED
-
-VS_VERSION_INFO VERSIONINFO
-FILEVERSION VER_FILEVERSION
-PRODUCTVERSION VER_PRODUCTVERSION
-FILEFLAGSMASK VER_FILEFLAGSMASK
-FILEFLAGS VER_FILEFLAGS
-FILEOS VER_FILEOS
-FILETYPE VER_FILETYPE
-FILESUBTYPE VER_FILESUBTYPE
-
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN
- BLOCK "040904E4"
- /* language ID = U.S. English, char set = Windows, Multilingual */
- BEGIN
-#ifdef VER_COMMENT_STR
- VALUE "Comments", VER_COMMENT_STR
-#endif
- VALUE "CompanyName", VER_COMPANYNAME_STR
- VALUE "License", VER_LICENSE_STR
- VALUE "FileDescription", VER_FILEDESCRIPTION_STR
- VALUE "FileVersion", VER_FILEVERSION_STR
-#if !(VER_FILETYPE-VFT_DLL)
- VALUE "LibToolFileVersion",VER_FILELTVERSION_STR
-#endif
- VALUE "InternalName", VER_INTERNALNAME_STR
-#ifdef VER_LEGALCOPYRIGHT_STR
- VALUE "LegalCopyright", VER_LEGALCOPYRIGHT_STR
-#endif
-#ifdef VER_LEGALTRADEMARKS_STR
- VALUE "LegalTrademarks", VER_LEGALTRADEMARKS_STR
-#endif
- VALUE "OriginalFilename", VER_ORIGINALFILENAME_STR
- VALUE "ProductName", VER_PRODUCTNAME_STR
- VALUE "ProductVersion", VER_PRODUCTVERSION_STR
-#ifdef VER_PATCHLEVEL_STR
- VALUE "Patch level", VER_PATCHLEVEL_STR
-#endif
-#ifdef VER_PRIVATEBUILD_STR
- VALUE "PrivateBuild", VER_PRIVATEBUILD_STR
-#endif
-#ifdef VER_SPECIALBUILD_STR
- VALUE "SpecialBuild", VER_SPECIALBUILD_STR
-#endif
-END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x409, 1252
- END
-END
-
-#endif /* RC_INVOKED */
-500 ICON MOVEABLE PURE LOADONCALL DISCARDABLE "zlib.ico"
+++ /dev/null
-/* example.c -- usage example of the zlib compression library
- * Copyright (C) 1995-2004 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* @(#) $Id$ */
-
-#include <stdio.h>
-#include "zlib.h"
-
-#ifdef STDC
-# include <string.h>
-# include <stdlib.h>
-#endif
-
-#if defined(VMS) || defined(RISCOS)
-# define TESTFILE "foo-gz"
-#else
-# define TESTFILE "foo.gz"
-#endif
-
-#define CHECK_ERR(err, msg) { \
- if (err != Z_OK) { \
- fprintf(stderr, "%s error: %d\n", msg, err); \
- exit(1); \
- } \
-}
-
-const char hello[] = "hello, hello!";
-/* "hello world" would be more standard, but the repeated "hello"
- * stresses the compression code better, sorry...
- */
-
-const char dictionary[] = "hello";
-uLong dictId; /* Adler32 value of the dictionary */
-
-void test_compress OF((Byte *compr, uLong comprLen,
- Byte *uncompr, uLong uncomprLen));
-void test_gzio OF((const char *fname,
- Byte *uncompr, uLong uncomprLen));
-void test_deflate OF((Byte *compr, uLong comprLen));
-void test_inflate OF((Byte *compr, uLong comprLen,
- Byte *uncompr, uLong uncomprLen));
-void test_large_deflate OF((Byte *compr, uLong comprLen,
- Byte *uncompr, uLong uncomprLen));
-void test_large_inflate OF((Byte *compr, uLong comprLen,
- Byte *uncompr, uLong uncomprLen));
-void test_flush OF((Byte *compr, uLong *comprLen));
-void test_sync OF((Byte *compr, uLong comprLen,
- Byte *uncompr, uLong uncomprLen));
-void test_dict_deflate OF((Byte *compr, uLong comprLen));
-void test_dict_inflate OF((Byte *compr, uLong comprLen,
- Byte *uncompr, uLong uncomprLen));
-int main OF((int argc, char *argv[]));
-
-/* ===========================================================================
- * Test compress() and uncompress()
- */
-void test_compress(compr, comprLen, uncompr, uncomprLen)
- Byte *compr, *uncompr;
- uLong comprLen, uncomprLen;
-{
- int err;
- uLong len = (uLong)strlen(hello)+1;
-
- err = compress(compr, &comprLen, (const Bytef*)hello, len);
- CHECK_ERR(err, "compress");
-
- strcpy((char*)uncompr, "garbage");
-
- err = uncompress(uncompr, &uncomprLen, compr, comprLen);
- CHECK_ERR(err, "uncompress");
-
- if (strcmp((char*)uncompr, hello)) {
- fprintf(stderr, "bad uncompress\n");
- exit(1);
- } else {
- printf("uncompress(): %s\n", (char *)uncompr);
- }
-}
-
-/* ===========================================================================
- * Test read/write of .gz files
- */
-void test_gzio(fname, uncompr, uncomprLen)
- const char *fname; /* compressed file name */
- Byte *uncompr;
- uLong uncomprLen;
-{
-#ifdef NO_GZCOMPRESS
- fprintf(stderr, "NO_GZCOMPRESS -- gz* functions cannot compress\n");
-#else
- int err;
- int len = (int)strlen(hello)+1;
- gzFile file;
- z_off_t pos;
-
- file = gzopen(fname, "wb");
- if (file == NULL) {
- fprintf(stderr, "gzopen error\n");
- exit(1);
- }
- gzputc(file, 'h');
- if (gzputs(file, "ello") != 4) {
- fprintf(stderr, "gzputs err: %s\n", gzerror(file, &err));
- exit(1);
- }
- if (gzprintf(file, ", %s!", "hello") != 8) {
- fprintf(stderr, "gzprintf err: %s\n", gzerror(file, &err));
- exit(1);
- }
- gzseek(file, 1L, SEEK_CUR); /* add one zero byte */
- gzclose(file);
-
- file = gzopen(fname, "rb");
- if (file == NULL) {
- fprintf(stderr, "gzopen error\n");
- exit(1);
- }
- strcpy((char*)uncompr, "garbage");
-
- if (gzread(file, uncompr, (unsigned)uncomprLen) != len) {
- fprintf(stderr, "gzread err: %s\n", gzerror(file, &err));
- exit(1);
- }
- if (strcmp((char*)uncompr, hello)) {
- fprintf(stderr, "bad gzread: %s\n", (char*)uncompr);
- exit(1);
- } else {
- printf("gzread(): %s\n", (char*)uncompr);
- }
-
- pos = gzseek(file, -8L, SEEK_CUR);
- if (pos != 6 || gztell(file) != pos) {
- fprintf(stderr, "gzseek error, pos=%ld, gztell=%ld\n",
- (long)pos, (long)gztell(file));
- exit(1);
- }
-
- if (gzgetc(file) != ' ') {
- fprintf(stderr, "gzgetc error\n");
- exit(1);
- }
-
- if (gzungetc(' ', file) != ' ') {
- fprintf(stderr, "gzungetc error\n");
- exit(1);
- }
-
- gzgets(file, (char*)uncompr, (int)uncomprLen);
- if (strlen((char*)uncompr) != 7) { /* " hello!" */
- fprintf(stderr, "gzgets err after gzseek: %s\n", gzerror(file, &err));
- exit(1);
- }
- if (strcmp((char*)uncompr, hello + 6)) {
- fprintf(stderr, "bad gzgets after gzseek\n");
- exit(1);
- } else {
- printf("gzgets() after gzseek: %s\n", (char*)uncompr);
- }
-
- gzclose(file);
-#endif
-}
-
-/* ===========================================================================
- * Test deflate() with small buffers
- */
-void test_deflate(compr, comprLen)
- Byte *compr;
- uLong comprLen;
-{
- z_stream c_stream; /* compression stream */
- int err;
- uLong len = (uLong)strlen(hello)+1;
-
- c_stream.zalloc = (alloc_func)0;
- c_stream.zfree = (free_func)0;
- c_stream.opaque = (voidpf)0;
-
- err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
- CHECK_ERR(err, "deflateInit");
-
- c_stream.next_in = (Bytef*)hello;
- c_stream.next_out = compr;
-
- while (c_stream.total_in != len && c_stream.total_out < comprLen) {
- c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */
- err = deflate(&c_stream, Z_NO_FLUSH);
- CHECK_ERR(err, "deflate");
- }
- /* Finish the stream, still forcing small buffers: */
- for (;;) {
- c_stream.avail_out = 1;
- err = deflate(&c_stream, Z_FINISH);
- if (err == Z_STREAM_END) break;
- CHECK_ERR(err, "deflate");
- }
-
- err = deflateEnd(&c_stream);
- CHECK_ERR(err, "deflateEnd");
-}
-
-/* ===========================================================================
- * Test inflate() with small buffers
- */
-void test_inflate(compr, comprLen, uncompr, uncomprLen)
- Byte *compr, *uncompr;
- uLong comprLen, uncomprLen;
-{
- int err;
- z_stream d_stream; /* decompression stream */
-
- strcpy((char*)uncompr, "garbage");
-
- d_stream.zalloc = (alloc_func)0;
- d_stream.zfree = (free_func)0;
- d_stream.opaque = (voidpf)0;
-
- d_stream.next_in = compr;
- d_stream.avail_in = 0;
- d_stream.next_out = uncompr;
-
- err = inflateInit(&d_stream);
- CHECK_ERR(err, "inflateInit");
-
- while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) {
- d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */
- err = inflate(&d_stream, Z_NO_FLUSH);
- if (err == Z_STREAM_END) break;
- CHECK_ERR(err, "inflate");
- }
-
- err = inflateEnd(&d_stream);
- CHECK_ERR(err, "inflateEnd");
-
- if (strcmp((char*)uncompr, hello)) {
- fprintf(stderr, "bad inflate\n");
- exit(1);
- } else {
- printf("inflate(): %s\n", (char *)uncompr);
- }
-}
-
-/* ===========================================================================
- * Test deflate() with large buffers and dynamic change of compression level
- */
-void test_large_deflate(compr, comprLen, uncompr, uncomprLen)
- Byte *compr, *uncompr;
- uLong comprLen, uncomprLen;
-{
- z_stream c_stream; /* compression stream */
- int err;
-
- c_stream.zalloc = (alloc_func)0;
- c_stream.zfree = (free_func)0;
- c_stream.opaque = (voidpf)0;
-
- err = deflateInit(&c_stream, Z_BEST_SPEED);
- CHECK_ERR(err, "deflateInit");
-
- c_stream.next_out = compr;
- c_stream.avail_out = (uInt)comprLen;
-
- /* At this point, uncompr is still mostly zeroes, so it should compress
- * very well:
- */
- c_stream.next_in = uncompr;
- c_stream.avail_in = (uInt)uncomprLen;
- err = deflate(&c_stream, Z_NO_FLUSH);
- CHECK_ERR(err, "deflate");
- if (c_stream.avail_in != 0) {
- fprintf(stderr, "deflate not greedy\n");
- exit(1);
- }
-
- /* Feed in already compressed data and switch to no compression: */
- deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY);
- c_stream.next_in = compr;
- c_stream.avail_in = (uInt)comprLen/2;
- err = deflate(&c_stream, Z_NO_FLUSH);
- CHECK_ERR(err, "deflate");
-
- /* Switch back to compressing mode: */
- deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED);
- c_stream.next_in = uncompr;
- c_stream.avail_in = (uInt)uncomprLen;
- err = deflate(&c_stream, Z_NO_FLUSH);
- CHECK_ERR(err, "deflate");
-
- err = deflate(&c_stream, Z_FINISH);
- if (err != Z_STREAM_END) {
- fprintf(stderr, "deflate should report Z_STREAM_END\n");
- exit(1);
- }
- err = deflateEnd(&c_stream);
- CHECK_ERR(err, "deflateEnd");
-}
-
-/* ===========================================================================
- * Test inflate() with large buffers
- */
-void test_large_inflate(compr, comprLen, uncompr, uncomprLen)
- Byte *compr, *uncompr;
- uLong comprLen, uncomprLen;
-{
- int err;
- z_stream d_stream; /* decompression stream */
-
- strcpy((char*)uncompr, "garbage");
-
- d_stream.zalloc = (alloc_func)0;
- d_stream.zfree = (free_func)0;
- d_stream.opaque = (voidpf)0;
-
- d_stream.next_in = compr;
- d_stream.avail_in = (uInt)comprLen;
-
- err = inflateInit(&d_stream);
- CHECK_ERR(err, "inflateInit");
-
- for (;;) {
- d_stream.next_out = uncompr; /* discard the output */
- d_stream.avail_out = (uInt)uncomprLen;
- err = inflate(&d_stream, Z_NO_FLUSH);
- if (err == Z_STREAM_END) break;
- CHECK_ERR(err, "large inflate");
- }
-
- err = inflateEnd(&d_stream);
- CHECK_ERR(err, "inflateEnd");
-
- if (d_stream.total_out != 2*uncomprLen + comprLen/2) {
- fprintf(stderr, "bad large inflate: %ld\n", d_stream.total_out);
- exit(1);
- } else {
- printf("large_inflate(): OK\n");
- }
-}
-
-/* ===========================================================================
- * Test deflate() with full flush
- */
-void test_flush(compr, comprLen)
- Byte *compr;
- uLong *comprLen;
-{
- z_stream c_stream; /* compression stream */
- int err;
- uInt len = (uInt)strlen(hello)+1;
-
- c_stream.zalloc = (alloc_func)0;
- c_stream.zfree = (free_func)0;
- c_stream.opaque = (voidpf)0;
-
- err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
- CHECK_ERR(err, "deflateInit");
-
- c_stream.next_in = (Bytef*)hello;
- c_stream.next_out = compr;
- c_stream.avail_in = 3;
- c_stream.avail_out = (uInt)*comprLen;
- err = deflate(&c_stream, Z_FULL_FLUSH);
- CHECK_ERR(err, "deflate");
-
- compr[3]++; /* force an error in first compressed block */
- c_stream.avail_in = len - 3;
-
- err = deflate(&c_stream, Z_FINISH);
- if (err != Z_STREAM_END) {
- CHECK_ERR(err, "deflate");
- }
- err = deflateEnd(&c_stream);
- CHECK_ERR(err, "deflateEnd");
-
- *comprLen = c_stream.total_out;
-}
-
-/* ===========================================================================
- * Test inflateSync()
- */
-void test_sync(compr, comprLen, uncompr, uncomprLen)
- Byte *compr, *uncompr;
- uLong comprLen, uncomprLen;
-{
- int err;
- z_stream d_stream; /* decompression stream */
-
- strcpy((char*)uncompr, "garbage");
-
- d_stream.zalloc = (alloc_func)0;
- d_stream.zfree = (free_func)0;
- d_stream.opaque = (voidpf)0;
-
- d_stream.next_in = compr;
- d_stream.avail_in = 2; /* just read the zlib header */
-
- err = inflateInit(&d_stream);
- CHECK_ERR(err, "inflateInit");
-
- d_stream.next_out = uncompr;
- d_stream.avail_out = (uInt)uncomprLen;
-
- inflate(&d_stream, Z_NO_FLUSH);
- CHECK_ERR(err, "inflate");
-
- d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */
- err = inflateSync(&d_stream); /* but skip the damaged part */
- CHECK_ERR(err, "inflateSync");
-
- err = inflate(&d_stream, Z_FINISH);
- if (err != Z_DATA_ERROR) {
- fprintf(stderr, "inflate should report DATA_ERROR\n");
- /* Because of incorrect adler32 */
- exit(1);
- }
- err = inflateEnd(&d_stream);
- CHECK_ERR(err, "inflateEnd");
-
- printf("after inflateSync(): hel%s\n", (char *)uncompr);
-}
-
-/* ===========================================================================
- * Test deflate() with preset dictionary
- */
-void test_dict_deflate(compr, comprLen)
- Byte *compr;
- uLong comprLen;
-{
- z_stream c_stream; /* compression stream */
- int err;
-
- c_stream.zalloc = (alloc_func)0;
- c_stream.zfree = (free_func)0;
- c_stream.opaque = (voidpf)0;
-
- err = deflateInit(&c_stream, Z_BEST_COMPRESSION);
- CHECK_ERR(err, "deflateInit");
-
- err = deflateSetDictionary(&c_stream,
- (const Bytef*)dictionary, sizeof(dictionary));
- CHECK_ERR(err, "deflateSetDictionary");
-
- dictId = c_stream.adler;
- c_stream.next_out = compr;
- c_stream.avail_out = (uInt)comprLen;
-
- c_stream.next_in = (Bytef*)hello;
- c_stream.avail_in = (uInt)strlen(hello)+1;
-
- err = deflate(&c_stream, Z_FINISH);
- if (err != Z_STREAM_END) {
- fprintf(stderr, "deflate should report Z_STREAM_END\n");
- exit(1);
- }
- err = deflateEnd(&c_stream);
- CHECK_ERR(err, "deflateEnd");
-}
-
-/* ===========================================================================
- * Test inflate() with a preset dictionary
- */
-void test_dict_inflate(compr, comprLen, uncompr, uncomprLen)
- Byte *compr, *uncompr;
- uLong comprLen, uncomprLen;
-{
- int err;
- z_stream d_stream; /* decompression stream */
-
- strcpy((char*)uncompr, "garbage");
-
- d_stream.zalloc = (alloc_func)0;
- d_stream.zfree = (free_func)0;
- d_stream.opaque = (voidpf)0;
-
- d_stream.next_in = compr;
- d_stream.avail_in = (uInt)comprLen;
-
- err = inflateInit(&d_stream);
- CHECK_ERR(err, "inflateInit");
-
- d_stream.next_out = uncompr;
- d_stream.avail_out = (uInt)uncomprLen;
-
- for (;;) {
- err = inflate(&d_stream, Z_NO_FLUSH);
- if (err == Z_STREAM_END) break;
- if (err == Z_NEED_DICT) {
- if (d_stream.adler != dictId) {
- fprintf(stderr, "unexpected dictionary");
- exit(1);
- }
- err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary,
- sizeof(dictionary));
- }
- CHECK_ERR(err, "inflate with dict");
- }
-
- err = inflateEnd(&d_stream);
- CHECK_ERR(err, "inflateEnd");
-
- if (strcmp((char*)uncompr, hello)) {
- fprintf(stderr, "bad inflate with dict\n");
- exit(1);
- } else {
- printf("inflate with dictionary: %s\n", (char *)uncompr);
- }
-}
-
-/* ===========================================================================
- * Usage: example [output.gz [input.gz]]
- */
-
-int main(argc, argv)
- int argc;
- char *argv[];
-{
- Byte *compr, *uncompr;
- uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */
- uLong uncomprLen = comprLen;
- static const char* myVersion = ZLIB_VERSION;
-
- if (zlibVersion()[0] != myVersion[0]) {
- fprintf(stderr, "incompatible zlib version\n");
- exit(1);
-
- } else if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) {
- fprintf(stderr, "warning: different zlib version\n");
- }
-
- printf("zlib version %s = 0x%04x, compile flags = 0x%lx\n",
- ZLIB_VERSION, ZLIB_VERNUM, zlibCompileFlags());
-
- compr = (Byte*)calloc((uInt)comprLen, 1);
- uncompr = (Byte*)calloc((uInt)uncomprLen, 1);
- /* compr and uncompr are cleared to avoid reading uninitialized
- * data and to ensure that uncompr compresses well.
- */
- if (compr == Z_NULL || uncompr == Z_NULL) {
- printf("out of memory\n");
- exit(1);
- }
- test_compress(compr, comprLen, uncompr, uncomprLen);
-
- test_gzio((argc > 1 ? argv[1] : TESTFILE),
- uncompr, uncomprLen);
-
- test_deflate(compr, comprLen);
- test_inflate(compr, comprLen, uncompr, uncomprLen);
-
- test_large_deflate(compr, comprLen, uncompr, uncomprLen);
- test_large_inflate(compr, comprLen, uncompr, uncomprLen);
-
- test_flush(compr, &comprLen);
- test_sync(compr, comprLen, uncompr, uncomprLen);
- comprLen = uncomprLen;
-
- test_dict_deflate(compr, comprLen);
- test_dict_inflate(compr, comprLen, uncompr, uncomprLen);
-
- free(compr);
- free(uncompr);
-
- return 0;
-}
+++ /dev/null
-This directory contains examples of the use of zlib.
-
-fitblk.c
- compress just enough input to nearly fill a requested output size
- - zlib isn't designed to do this, but fitblk does it anyway
-
-gun.c
- uncompress a gzip file
- - illustrates the use of inflateBack() for high speed file-to-file
- decompression using call-back functions
- - is approximately twice as fast as gzip -d
- - also provides Unix uncompress functionality, again twice as fast
-
-gzappend.c
- append to a gzip file
- - illustrates the use of the Z_BLOCK flush parameter for inflate()
- - illustrates the use of deflatePrime() to start at any bit
-
-gzjoin.c
- join gzip files without recalculating the crc or recompressing
- - illustrates the use of the Z_BLOCK flush parameter for inflate()
- - illustrates the use of crc32_combine()
-
-gzlog.c
-gzlog.h
- efficiently maintain a message log file in gzip format
- - illustrates use of raw deflate and Z_SYNC_FLUSH
- - illustrates use of gzip header extra field
-
-zlib_how.html
- painfully comprehensive description of zpipe.c (see below)
- - describes in excruciating detail the use of deflate() and inflate()
-
-zpipe.c
- reads and writes zlib streams from stdin to stdout
- - illustrates the proper use of deflate() and inflate()
- - deeply commented in zlib_how.html (see above)
-
-zran.c
- index a zlib or gzip stream and randomly access it
- - illustrates the use of Z_BLOCK, inflatePrime(), and
- inflateSetDictionary() to provide random access
+++ /dev/null
-/* fitblk.c: example of fitting compressed output to a specified size
- Not copyrighted -- provided to the public domain
- Version 1.1 25 November 2004 Mark Adler */
-
-/* Version history:
- 1.0 24 Nov 2004 First version
- 1.1 25 Nov 2004 Change deflateInit2() to deflateInit()
- Use fixed-size, stack-allocated raw buffers
- Simplify code moving compression to subroutines
- Use assert() for internal errors
- Add detailed description of approach
- */
-
-/* Approach to just fitting a requested compressed size:
-
- fitblk performs three compression passes on a portion of the input
- data in order to determine how much of that input will compress to
- nearly the requested output block size. The first pass generates
- enough deflate blocks to produce output to fill the requested
- output size plus a specfied excess amount (see the EXCESS define
- below). The last deflate block may go quite a bit past that, but
- is discarded. The second pass decompresses and recompresses just
- the compressed data that fit in the requested plus excess sized
- buffer. The deflate process is terminated after that amount of
- input, which is less than the amount consumed on the first pass.
- The last deflate block of the result will be of a comparable size
- to the final product, so that the header for that deflate block and
- the compression ratio for that block will be about the same as in
- the final product. The third compression pass decompresses the
- result of the second step, but only the compressed data up to the
- requested size minus an amount to allow the compressed stream to
- complete (see the MARGIN define below). That will result in a
- final compressed stream whose length is less than or equal to the
- requested size. Assuming sufficient input and a requested size
- greater than a few hundred bytes, the shortfall will typically be
- less than ten bytes.
-
- If the input is short enough that the first compression completes
- before filling the requested output size, then that compressed
- stream is return with no recompression.
-
- EXCESS is chosen to be just greater than the shortfall seen in a
- two pass approach similar to the above. That shortfall is due to
- the last deflate block compressing more efficiently with a smaller
- header on the second pass. EXCESS is set to be large enough so
- that there is enough uncompressed data for the second pass to fill
- out the requested size, and small enough so that the final deflate
- block of the second pass will be close in size to the final deflate
- block of the third and final pass. MARGIN is chosen to be just
- large enough to assure that the final compression has enough room
- to complete in all cases.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include "zlib.h"
-
-#define local static
-
-/* print nastygram and leave */
-local void quit(char *why)
-{
- fprintf(stderr, "fitblk abort: %s\n", why);
- exit(1);
-}
-
-#define RAWLEN 4096 /* intermediate uncompressed buffer size */
-
-/* compress from file to def until provided buffer is full or end of
- input reached; return last deflate() return value, or Z_ERRNO if
- there was read error on the file */
-local int partcompress(FILE *in, z_streamp def)
-{
- int ret, flush;
- unsigned char raw[RAWLEN];
-
- flush = Z_NO_FLUSH;
- do {
- def->avail_in = fread(raw, 1, RAWLEN, in);
- if (ferror(in))
- return Z_ERRNO;
- def->next_in = raw;
- if (feof(in))
- flush = Z_FINISH;
- ret = deflate(def, flush);
- assert(ret != Z_STREAM_ERROR);
- } while (def->avail_out != 0 && flush == Z_NO_FLUSH);
- return ret;
-}
-
-/* recompress from inf's input to def's output; the input for inf and
- the output for def are set in those structures before calling;
- return last deflate() return value, or Z_MEM_ERROR if inflate()
- was not able to allocate enough memory when it needed to */
-local int recompress(z_streamp inf, z_streamp def)
-{
- int ret, flush;
- unsigned char raw[RAWLEN];
-
- flush = Z_NO_FLUSH;
- do {
- /* decompress */
- inf->avail_out = RAWLEN;
- inf->next_out = raw;
- ret = inflate(inf, Z_NO_FLUSH);
- assert(ret != Z_STREAM_ERROR && ret != Z_DATA_ERROR &&
- ret != Z_NEED_DICT);
- if (ret == Z_MEM_ERROR)
- return ret;
-
- /* compress what was decompresed until done or no room */
- def->avail_in = RAWLEN - inf->avail_out;
- def->next_in = raw;
- if (inf->avail_out != 0)
- flush = Z_FINISH;
- ret = deflate(def, flush);
- assert(ret != Z_STREAM_ERROR);
- } while (ret != Z_STREAM_END && def->avail_out != 0);
- return ret;
-}
-
-#define EXCESS 256 /* empirically determined stream overage */
-#define MARGIN 8 /* amount to back off for completion */
-
-/* compress from stdin to fixed-size block on stdout */
-int main(int argc, char **argv)
-{
- int ret; /* return code */
- unsigned size; /* requested fixed output block size */
- unsigned have; /* bytes written by deflate() call */
- unsigned char *blk; /* intermediate and final stream */
- unsigned char *tmp; /* close to desired size stream */
- z_stream def, inf; /* zlib deflate and inflate states */
-
- /* get requested output size */
- if (argc != 2)
- quit("need one argument: size of output block");
- ret = strtol(argv[1], argv + 1, 10);
- if (argv[1][0] != 0)
- quit("argument must be a number");
- if (ret < 8) /* 8 is minimum zlib stream size */
- quit("need positive size of 8 or greater");
- size = (unsigned)ret;
-
- /* allocate memory for buffers and compression engine */
- blk = malloc(size + EXCESS);
- def.zalloc = Z_NULL;
- def.zfree = Z_NULL;
- def.opaque = Z_NULL;
- ret = deflateInit(&def, Z_DEFAULT_COMPRESSION);
- if (ret != Z_OK || blk == NULL)
- quit("out of memory");
-
- /* compress from stdin until output full, or no more input */
- def.avail_out = size + EXCESS;
- def.next_out = blk;
- ret = partcompress(stdin, &def);
- if (ret == Z_ERRNO)
- quit("error reading input");
-
- /* if it all fit, then size was undersubscribed -- done! */
- if (ret == Z_STREAM_END && def.avail_out >= EXCESS) {
- /* write block to stdout */
- have = size + EXCESS - def.avail_out;
- if (fwrite(blk, 1, have, stdout) != have || ferror(stdout))
- quit("error writing output");
-
- /* clean up and print results to stderr */
- ret = deflateEnd(&def);
- assert(ret != Z_STREAM_ERROR);
- free(blk);
- fprintf(stderr,
- "%u bytes unused out of %u requested (all input)\n",
- size - have, size);
- return 0;
- }
-
- /* it didn't all fit -- set up for recompression */
- inf.zalloc = Z_NULL;
- inf.zfree = Z_NULL;
- inf.opaque = Z_NULL;
- inf.avail_in = 0;
- inf.next_in = Z_NULL;
- ret = inflateInit(&inf);
- tmp = malloc(size + EXCESS);
- if (ret != Z_OK || tmp == NULL)
- quit("out of memory");
- ret = deflateReset(&def);
- assert(ret != Z_STREAM_ERROR);
-
- /* do first recompression close to the right amount */
- inf.avail_in = size + EXCESS;
- inf.next_in = blk;
- def.avail_out = size + EXCESS;
- def.next_out = tmp;
- ret = recompress(&inf, &def);
- if (ret == Z_MEM_ERROR)
- quit("out of memory");
-
- /* set up for next reocmpression */
- ret = inflateReset(&inf);
- assert(ret != Z_STREAM_ERROR);
- ret = deflateReset(&def);
- assert(ret != Z_STREAM_ERROR);
-
- /* do second and final recompression (third compression) */
- inf.avail_in = size - MARGIN; /* assure stream will complete */
- inf.next_in = tmp;
- def.avail_out = size;
- def.next_out = blk;
- ret = recompress(&inf, &def);
- if (ret == Z_MEM_ERROR)
- quit("out of memory");
- assert(ret == Z_STREAM_END); /* otherwise MARGIN too small */
-
- /* done -- write block to stdout */
- have = size - def.avail_out;
- if (fwrite(blk, 1, have, stdout) != have || ferror(stdout))
- quit("error writing output");
-
- /* clean up and print results to stderr */
- free(tmp);
- ret = inflateEnd(&inf);
- assert(ret != Z_STREAM_ERROR);
- ret = deflateEnd(&def);
- assert(ret != Z_STREAM_ERROR);
- free(blk);
- fprintf(stderr,
- "%u bytes unused out of %u requested (%lu input)\n",
- size - have, size, def.total_in);
- return 0;
-}
+++ /dev/null
-/* gun.c -- simple gunzip to give an example of the use of inflateBack()
- * Copyright (C) 2003, 2005 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- Version 1.3 12 June 2005 Mark Adler */
-
-/* Version history:
- 1.0 16 Feb 2003 First version for testing of inflateBack()
- 1.1 21 Feb 2005 Decompress concatenated gzip streams
- Remove use of "this" variable (C++ keyword)
- Fix return value for in()
- Improve allocation failure checking
- Add typecasting for void * structures
- Add -h option for command version and usage
- Add a bunch of comments
- 1.2 20 Mar 2005 Add Unix compress (LZW) decompression
- Copy file attributes from input file to output file
- 1.3 12 Jun 2005 Add casts for error messages [Oberhumer]
- */
-
-/*
- gun [ -t ] [ name ... ]
-
- decompresses the data in the named gzip files. If no arguments are given,
- gun will decompress from stdin to stdout. The names must end in .gz, -gz,
- .z, -z, _z, or .Z. The uncompressed data will be written to a file name
- with the suffix stripped. On success, the original file is deleted. On
- failure, the output file is deleted. For most failures, the command will
- continue to process the remaining names on the command line. A memory
- allocation failure will abort the command. If -t is specified, then the
- listed files or stdin will be tested as gzip files for integrity (without
- checking for a proper suffix), no output will be written, and no files
- will be deleted.
-
- Like gzip, gun allows concatenated gzip streams and will decompress them,
- writing all of the uncompressed data to the output. Unlike gzip, gun allows
- an empty file on input, and will produce no error writing an empty output
- file.
-
- gun will also decompress files made by Unix compress, which uses LZW
- compression. These files are automatically detected by virtue of their
- magic header bytes. Since the end of Unix compress stream is marked by the
- end-of-file, they cannot be concantenated. If a Unix compress stream is
- encountered in an input file, it is the last stream in that file.
-
- Like gunzip and uncompress, the file attributes of the orignal compressed
- file are maintained in the final uncompressed file, to the extent that the
- user permissions allow it.
-
- On my Mac OS X PowerPC G4, gun is almost twice as fast as gunzip (version
- 1.2.4) is on the same file, when gun is linked with zlib 1.2.2. Also the
- LZW decompression provided by gun is about twice as fast as the standard
- Unix uncompress command.
- */
-
-/* external functions and related types and constants */
-#include <stdio.h> /* fprintf() */
-#include <stdlib.h> /* malloc(), free() */
-#include <string.h> /* strerror(), strcmp(), strlen(), memcpy() */
-#include <errno.h> /* errno */
-#include <fcntl.h> /* open() */
-#include <unistd.h> /* read(), write(), close(), chown(), unlink() */
-#include <sys/types.h>
-#include <sys/stat.h> /* stat(), chmod() */
-#include <utime.h> /* utime() */
-#include "zlib.h" /* inflateBackInit(), inflateBack(), */
- /* inflateBackEnd(), crc32() */
-
-/* function declaration */
-#define local static
-
-/* buffer constants */
-#define SIZE 32768U /* input and output buffer sizes */
-#define PIECE 16384 /* limits i/o chunks for 16-bit int case */
-
-/* structure for infback() to pass to input function in() -- it maintains the
- input file and a buffer of size SIZE */
-struct ind {
- int infile;
- unsigned char *inbuf;
-};
-
-/* Load input buffer, assumed to be empty, and return bytes loaded and a
- pointer to them. read() is called until the buffer is full, or until it
- returns end-of-file or error. Return 0 on error. */
-local unsigned in(void *in_desc, unsigned char **buf)
-{
- int ret;
- unsigned len;
- unsigned char *next;
- struct ind *me = (struct ind *)in_desc;
-
- next = me->inbuf;
- *buf = next;
- len = 0;
- do {
- ret = PIECE;
- if ((unsigned)ret > SIZE - len)
- ret = (int)(SIZE - len);
- ret = (int)read(me->infile, next, ret);
- if (ret == -1) {
- len = 0;
- break;
- }
- next += ret;
- len += ret;
- } while (ret != 0 && len < SIZE);
- return len;
-}
-
-/* structure for infback() to pass to output function out() -- it maintains the
- output file, a running CRC-32 check on the output and the total number of
- bytes output, both for checking against the gzip trailer. (The length in
- the gzip trailer is stored modulo 2^32, so it's ok if a long is 32 bits and
- the output is greater than 4 GB.) */
-struct outd {
- int outfile;
- int check; /* true if checking crc and total */
- unsigned long crc;
- unsigned long total;
-};
-
-/* Write output buffer and update the CRC-32 and total bytes written. write()
- is called until all of the output is written or an error is encountered.
- On success out() returns 0. For a write failure, out() returns 1. If the
- output file descriptor is -1, then nothing is written.
- */
-local int out(void *out_desc, unsigned char *buf, unsigned len)
-{
- int ret;
- struct outd *me = (struct outd *)out_desc;
-
- if (me->check) {
- me->crc = crc32(me->crc, buf, len);
- me->total += len;
- }
- if (me->outfile != -1)
- do {
- ret = PIECE;
- if ((unsigned)ret > len)
- ret = (int)len;
- ret = (int)write(me->outfile, buf, ret);
- if (ret == -1)
- return 1;
- buf += ret;
- len -= ret;
- } while (len != 0);
- return 0;
-}
-
-/* next input byte macro for use inside lunpipe() and gunpipe() */
-#define NEXT() (have ? 0 : (have = in(indp, &next)), \
- last = have ? (have--, (int)(*next++)) : -1)
-
-/* memory for gunpipe() and lunpipe() --
- the first 256 entries of prefix[] and suffix[] are never used, could
- have offset the index, but it's faster to waste the memory */
-unsigned char inbuf[SIZE]; /* input buffer */
-unsigned char outbuf[SIZE]; /* output buffer */
-unsigned short prefix[65536]; /* index to LZW prefix string */
-unsigned char suffix[65536]; /* one-character LZW suffix */
-unsigned char match[65280 + 2]; /* buffer for reversed match or gzip
- 32K sliding window */
-
-/* throw out what's left in the current bits byte buffer (this is a vestigial
- aspect of the compressed data format derived from an implementation that
- made use of a special VAX machine instruction!) */
-#define FLUSHCODE() \
- do { \
- left = 0; \
- rem = 0; \
- if (chunk > have) { \
- chunk -= have; \
- have = 0; \
- if (NEXT() == -1) \
- break; \
- chunk--; \
- if (chunk > have) { \
- chunk = have = 0; \
- break; \
- } \
- } \
- have -= chunk; \
- next += chunk; \
- chunk = 0; \
- } while (0)
-
-/* Decompress a compress (LZW) file from indp to outfile. The compress magic
- header (two bytes) has already been read and verified. There are have bytes
- of buffered input at next. strm is used for passing error information back
- to gunpipe().
-
- lunpipe() will return Z_OK on success, Z_BUF_ERROR for an unexpected end of
- file, read error, or write error (a write error indicated by strm->next_in
- not equal to Z_NULL), or Z_DATA_ERROR for invalid input.
- */
-local int lunpipe(unsigned have, unsigned char *next, struct ind *indp,
- int outfile, z_stream *strm)
-{
- int last; /* last byte read by NEXT(), or -1 if EOF */
- int chunk; /* bytes left in current chunk */
- int left; /* bits left in rem */
- unsigned rem; /* unused bits from input */
- int bits; /* current bits per code */
- unsigned code; /* code, table traversal index */
- unsigned mask; /* mask for current bits codes */
- int max; /* maximum bits per code for this stream */
- int flags; /* compress flags, then block compress flag */
- unsigned end; /* last valid entry in prefix/suffix tables */
- unsigned temp; /* current code */
- unsigned prev; /* previous code */
- unsigned final; /* last character written for previous code */
- unsigned stack; /* next position for reversed string */
- unsigned outcnt; /* bytes in output buffer */
- struct outd outd; /* output structure */
-
- /* set up output */
- outd.outfile = outfile;
- outd.check = 0;
-
- /* process remainder of compress header -- a flags byte */
- flags = NEXT();
- if (last == -1)
- return Z_BUF_ERROR;
- if (flags & 0x60) {
- strm->msg = (char *)"unknown lzw flags set";
- return Z_DATA_ERROR;
- }
- max = flags & 0x1f;
- if (max < 9 || max > 16) {
- strm->msg = (char *)"lzw bits out of range";
- return Z_DATA_ERROR;
- }
- if (max == 9) /* 9 doesn't really mean 9 */
- max = 10;
- flags &= 0x80; /* true if block compress */
-
- /* clear table */
- bits = 9;
- mask = 0x1ff;
- end = flags ? 256 : 255;
-
- /* set up: get first 9-bit code, which is the first decompressed byte, but
- don't create a table entry until the next code */
- if (NEXT() == -1) /* no compressed data is ok */
- return Z_OK;
- final = prev = (unsigned)last; /* low 8 bits of code */
- if (NEXT() == -1) /* missing a bit */
- return Z_BUF_ERROR;
- if (last & 1) { /* code must be < 256 */
- strm->msg = (char *)"invalid lzw code";
- return Z_DATA_ERROR;
- }
- rem = (unsigned)last >> 1; /* remaining 7 bits */
- left = 7;
- chunk = bits - 2; /* 7 bytes left in this chunk */
- outbuf[0] = (unsigned char)final; /* write first decompressed byte */
- outcnt = 1;
-
- /* decode codes */
- stack = 0;
- for (;;) {
- /* if the table will be full after this, increment the code size */
- if (end >= mask && bits < max) {
- FLUSHCODE();
- bits++;
- mask <<= 1;
- mask++;
- }
-
- /* get a code of length bits */
- if (chunk == 0) /* decrement chunk modulo bits */
- chunk = bits;
- code = rem; /* low bits of code */
- if (NEXT() == -1) { /* EOF is end of compressed data */
- /* write remaining buffered output */
- if (outcnt && out(&outd, outbuf, outcnt)) {
- strm->next_in = outbuf; /* signal write error */
- return Z_BUF_ERROR;
- }
- return Z_OK;
- }
- code += (unsigned)last << left; /* middle (or high) bits of code */
- left += 8;
- chunk--;
- if (bits > left) { /* need more bits */
- if (NEXT() == -1) /* can't end in middle of code */
- return Z_BUF_ERROR;
- code += (unsigned)last << left; /* high bits of code */
- left += 8;
- chunk--;
- }
- code &= mask; /* mask to current code length */
- left -= bits; /* number of unused bits */
- rem = (unsigned)last >> (8 - left); /* unused bits from last byte */
-
- /* process clear code (256) */
- if (code == 256 && flags) {
- FLUSHCODE();
- bits = 9; /* initialize bits and mask */
- mask = 0x1ff;
- end = 255; /* empty table */
- continue; /* get next code */
- }
-
- /* special code to reuse last match */
- temp = code; /* save the current code */
- if (code > end) {
- /* Be picky on the allowed code here, and make sure that the code
- we drop through (prev) will be a valid index so that random
- input does not cause an exception. The code != end + 1 check is
- empirically derived, and not checked in the original uncompress
- code. If this ever causes a problem, that check could be safely
- removed. Leaving this check in greatly improves gun's ability
- to detect random or corrupted input after a compress header.
- In any case, the prev > end check must be retained. */
- if (code != end + 1 || prev > end) {
- strm->msg = (char *)"invalid lzw code";
- return Z_DATA_ERROR;
- }
- match[stack++] = (unsigned char)final;
- code = prev;
- }
-
- /* walk through linked list to generate output in reverse order */
- while (code >= 256) {
- match[stack++] = suffix[code];
- code = prefix[code];
- }
- match[stack++] = (unsigned char)code;
- final = code;
-
- /* link new table entry */
- if (end < mask) {
- end++;
- prefix[end] = (unsigned short)prev;
- suffix[end] = (unsigned char)final;
- }
-
- /* set previous code for next iteration */
- prev = temp;
-
- /* write output in forward order */
- while (stack > SIZE - outcnt) {
- while (outcnt < SIZE)
- outbuf[outcnt++] = match[--stack];
- if (out(&outd, outbuf, outcnt)) {
- strm->next_in = outbuf; /* signal write error */
- return Z_BUF_ERROR;
- }
- outcnt = 0;
- }
- do {
- outbuf[outcnt++] = match[--stack];
- } while (stack);
-
- /* loop for next code with final and prev as the last match, rem and
- left provide the first 0..7 bits of the next code, end is the last
- valid table entry */
- }
-}
-
-/* Decompress a gzip file from infile to outfile. strm is assumed to have been
- successfully initialized with inflateBackInit(). The input file may consist
- of a series of gzip streams, in which case all of them will be decompressed
- to the output file. If outfile is -1, then the gzip stream(s) integrity is
- checked and nothing is written.
-
- The return value is a zlib error code: Z_MEM_ERROR if out of memory,
- Z_DATA_ERROR if the header or the compressed data is invalid, or if the
- trailer CRC-32 check or length doesn't match, Z_BUF_ERROR if the input ends
- prematurely or a write error occurs, or Z_ERRNO if junk (not a another gzip
- stream) follows a valid gzip stream.
- */
-local int gunpipe(z_stream *strm, int infile, int outfile)
-{
- int ret, first, last;
- unsigned have, flags, len;
- unsigned char *next;
- struct ind ind, *indp;
- struct outd outd;
-
- /* setup input buffer */
- ind.infile = infile;
- ind.inbuf = inbuf;
- indp = &ind;
-
- /* decompress concatenated gzip streams */
- have = 0; /* no input data read in yet */
- first = 1; /* looking for first gzip header */
- strm->next_in = Z_NULL; /* so Z_BUF_ERROR means EOF */
- for (;;) {
- /* look for the two magic header bytes for a gzip stream */
- if (NEXT() == -1) {
- ret = Z_OK;
- break; /* empty gzip stream is ok */
- }
- if (last != 31 || (NEXT() != 139 && last != 157)) {
- strm->msg = (char *)"incorrect header check";
- ret = first ? Z_DATA_ERROR : Z_ERRNO;
- break; /* not a gzip or compress header */
- }
- first = 0; /* next non-header is junk */
-
- /* process a compress (LZW) file -- can't be concatenated after this */
- if (last == 157) {
- ret = lunpipe(have, next, indp, outfile, strm);
- break;
- }
-
- /* process remainder of gzip header */
- ret = Z_BUF_ERROR;
- if (NEXT() != 8) { /* only deflate method allowed */
- if (last == -1) break;
- strm->msg = (char *)"unknown compression method";
- ret = Z_DATA_ERROR;
- break;
- }
- flags = NEXT(); /* header flags */
- NEXT(); /* discard mod time, xflgs, os */
- NEXT();
- NEXT();
- NEXT();
- NEXT();
- NEXT();
- if (last == -1) break;
- if (flags & 0xe0) {
- strm->msg = (char *)"unknown header flags set";
- ret = Z_DATA_ERROR;
- break;
- }
- if (flags & 4) { /* extra field */
- len = NEXT();
- len += (unsigned)(NEXT()) << 8;
- if (last == -1) break;
- while (len > have) {
- len -= have;
- have = 0;
- if (NEXT() == -1) break;
- len--;
- }
- if (last == -1) break;
- have -= len;
- next += len;
- }
- if (flags & 8) /* file name */
- while (NEXT() != 0 && last != -1)
- ;
- if (flags & 16) /* comment */
- while (NEXT() != 0 && last != -1)
- ;
- if (flags & 2) { /* header crc */
- NEXT();
- NEXT();
- }
- if (last == -1) break;
-
- /* set up output */
- outd.outfile = outfile;
- outd.check = 1;
- outd.crc = crc32(0L, Z_NULL, 0);
- outd.total = 0;
-
- /* decompress data to output */
- strm->next_in = next;
- strm->avail_in = have;
- ret = inflateBack(strm, in, indp, out, &outd);
- if (ret != Z_STREAM_END) break;
- next = strm->next_in;
- have = strm->avail_in;
- strm->next_in = Z_NULL; /* so Z_BUF_ERROR means EOF */
-
- /* check trailer */
- ret = Z_BUF_ERROR;
- if (NEXT() != (outd.crc & 0xff) ||
- NEXT() != ((outd.crc >> 8) & 0xff) ||
- NEXT() != ((outd.crc >> 16) & 0xff) ||
- NEXT() != ((outd.crc >> 24) & 0xff)) {
- /* crc error */
- if (last != -1) {
- strm->msg = (char *)"incorrect data check";
- ret = Z_DATA_ERROR;
- }
- break;
- }
- if (NEXT() != (outd.total & 0xff) ||
- NEXT() != ((outd.total >> 8) & 0xff) ||
- NEXT() != ((outd.total >> 16) & 0xff) ||
- NEXT() != ((outd.total >> 24) & 0xff)) {
- /* length error */
- if (last != -1) {
- strm->msg = (char *)"incorrect length check";
- ret = Z_DATA_ERROR;
- }
- break;
- }
-
- /* go back and look for another gzip stream */
- }
-
- /* clean up and return */
- return ret;
-}
-
-/* Copy file attributes, from -> to, as best we can. This is best effort, so
- no errors are reported. The mode bits, including suid, sgid, and the sticky
- bit are copied (if allowed), the owner's user id and group id are copied
- (again if allowed), and the access and modify times are copied. */
-local void copymeta(char *from, char *to)
-{
- struct stat was;
- struct utimbuf when;
-
- /* get all of from's Unix meta data, return if not a regular file */
- if (stat(from, &was) != 0 || (was.st_mode & S_IFMT) != S_IFREG)
- return;
-
- /* set to's mode bits, ignore errors */
- (void)chmod(to, was.st_mode & 07777);
-
- /* copy owner's user and group, ignore errors */
- (void)chown(to, was.st_uid, was.st_gid);
-
- /* copy access and modify times, ignore errors */
- when.actime = was.st_atime;
- when.modtime = was.st_mtime;
- (void)utime(to, &when);
-}
-
-/* Decompress the file inname to the file outnname, of if test is true, just
- decompress without writing and check the gzip trailer for integrity. If
- inname is NULL or an empty string, read from stdin. If outname is NULL or
- an empty string, write to stdout. strm is a pre-initialized inflateBack
- structure. When appropriate, copy the file attributes from inname to
- outname.
-
- gunzip() returns 1 if there is an out-of-memory error or an unexpected
- return code from gunpipe(). Otherwise it returns 0.
- */
-local int gunzip(z_stream *strm, char *inname, char *outname, int test)
-{
- int ret;
- int infile, outfile;
-
- /* open files */
- if (inname == NULL || *inname == 0) {
- inname = "-";
- infile = 0; /* stdin */
- }
- else {
- infile = open(inname, O_RDONLY, 0);
- if (infile == -1) {
- fprintf(stderr, "gun cannot open %s\n", inname);
- return 0;
- }
- }
- if (test)
- outfile = -1;
- else if (outname == NULL || *outname == 0) {
- outname = "-";
- outfile = 1; /* stdout */
- }
- else {
- outfile = open(outname, O_CREAT | O_TRUNC | O_WRONLY, 0666);
- if (outfile == -1) {
- close(infile);
- fprintf(stderr, "gun cannot create %s\n", outname);
- return 0;
- }
- }
- errno = 0;
-
- /* decompress */
- ret = gunpipe(strm, infile, outfile);
- if (outfile > 2) close(outfile);
- if (infile > 2) close(infile);
-
- /* interpret result */
- switch (ret) {
- case Z_OK:
- case Z_ERRNO:
- if (infile > 2 && outfile > 2) {
- copymeta(inname, outname); /* copy attributes */
- unlink(inname);
- }
- if (ret == Z_ERRNO)
- fprintf(stderr, "gun warning: trailing garbage ignored in %s\n",
- inname);
- break;
- case Z_DATA_ERROR:
- if (outfile > 2) unlink(outname);
- fprintf(stderr, "gun data error on %s: %s\n", inname, strm->msg);
- break;
- case Z_MEM_ERROR:
- if (outfile > 2) unlink(outname);
- fprintf(stderr, "gun out of memory error--aborting\n");
- return 1;
- case Z_BUF_ERROR:
- if (outfile > 2) unlink(outname);
- if (strm->next_in != Z_NULL) {
- fprintf(stderr, "gun write error on %s: %s\n",
- outname, strerror(errno));
- }
- else if (errno) {
- fprintf(stderr, "gun read error on %s: %s\n",
- inname, strerror(errno));
- }
- else {
- fprintf(stderr, "gun unexpected end of file on %s\n",
- inname);
- }
- break;
- default:
- if (outfile > 2) unlink(outname);
- fprintf(stderr, "gun internal error--aborting\n");
- return 1;
- }
- return 0;
-}
-
-/* Process the gun command line arguments. See the command syntax near the
- beginning of this source file. */
-int main(int argc, char **argv)
-{
- int ret, len, test;
- char *outname;
- unsigned char *window;
- z_stream strm;
-
- /* initialize inflateBack state for repeated use */
- window = match; /* reuse LZW match buffer */
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- ret = inflateBackInit(&strm, 15, window);
- if (ret != Z_OK) {
- fprintf(stderr, "gun out of memory error--aborting\n");
- return 1;
- }
-
- /* decompress each file to the same name with the suffix removed */
- argc--;
- argv++;
- test = 0;
- if (argc && strcmp(*argv, "-h") == 0) {
- fprintf(stderr, "gun 1.3 (12 Jun 2005)\n");
- fprintf(stderr, "Copyright (c) 2005 Mark Adler\n");
- fprintf(stderr, "usage: gun [-t] [file1.gz [file2.Z ...]]\n");
- return 0;
- }
- if (argc && strcmp(*argv, "-t") == 0) {
- test = 1;
- argc--;
- argv++;
- }
- if (argc)
- do {
- if (test)
- outname = NULL;
- else {
- len = (int)strlen(*argv);
- if (strcmp(*argv + len - 3, ".gz") == 0 ||
- strcmp(*argv + len - 3, "-gz") == 0)
- len -= 3;
- else if (strcmp(*argv + len - 2, ".z") == 0 ||
- strcmp(*argv + len - 2, "-z") == 0 ||
- strcmp(*argv + len - 2, "_z") == 0 ||
- strcmp(*argv + len - 2, ".Z") == 0)
- len -= 2;
- else {
- fprintf(stderr, "gun error: no gz type on %s--skipping\n",
- *argv);
- continue;
- }
- outname = malloc(len + 1);
- if (outname == NULL) {
- fprintf(stderr, "gun out of memory error--aborting\n");
- ret = 1;
- break;
- }
- memcpy(outname, *argv, len);
- outname[len] = 0;
- }
- ret = gunzip(&strm, *argv, outname, test);
- if (outname != NULL) free(outname);
- if (ret) break;
- } while (argv++, --argc);
- else
- ret = gunzip(&strm, NULL, NULL, test);
-
- /* clean up */
- inflateBackEnd(&strm);
- return ret;
-}
+++ /dev/null
-/* gzappend -- command to append to a gzip file
-
- Copyright (C) 2003 Mark Adler, all rights reserved
- version 1.1, 4 Nov 2003
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the author be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
- Mark Adler madler@alumni.caltech.edu
- */
-
-/*
- * Change history:
- *
- * 1.0 19 Oct 2003 - First version
- * 1.1 4 Nov 2003 - Expand and clarify some comments and notes
- * - Add version and copyright to help
- * - Send help to stdout instead of stderr
- * - Add some preemptive typecasts
- * - Add L to constants in lseek() calls
- * - Remove some debugging information in error messages
- * - Use new data_type definition for zlib 1.2.1
- * - Simplfy and unify file operations
- * - Finish off gzip file in gztack()
- * - Use deflatePrime() instead of adding empty blocks
- * - Keep gzip file clean on appended file read errors
- * - Use in-place rotate instead of auxiliary buffer
- * (Why you ask? Because it was fun to write!)
- */
-
-/*
- gzappend takes a gzip file and appends to it, compressing files from the
- command line or data from stdin. The gzip file is written to directly, to
- avoid copying that file, in case it's large. Note that this results in the
- unfriendly behavior that if gzappend fails, the gzip file is corrupted.
-
- This program was written to illustrate the use of the new Z_BLOCK option of
- zlib 1.2.x's inflate() function. This option returns from inflate() at each
- block boundary to facilitate locating and modifying the last block bit at
- the start of the final deflate block. Also whether using Z_BLOCK or not,
- another required feature of zlib 1.2.x is that inflate() now provides the
- number of unusued bits in the last input byte used. gzappend will not work
- with versions of zlib earlier than 1.2.1.
-
- gzappend first decompresses the gzip file internally, discarding all but
- the last 32K of uncompressed data, and noting the location of the last block
- bit and the number of unused bits in the last byte of the compressed data.
- The gzip trailer containing the CRC-32 and length of the uncompressed data
- is verified. This trailer will be later overwritten.
-
- Then the last block bit is cleared by seeking back in the file and rewriting
- the byte that contains it. Seeking forward, the last byte of the compressed
- data is saved along with the number of unused bits to initialize deflate.
-
- A deflate process is initialized, using the last 32K of the uncompressed
- data from the gzip file to initialize the dictionary. If the total
- uncompressed data was less than 32K, then all of it is used to initialize
- the dictionary. The deflate output bit buffer is also initialized with the
- last bits from the original deflate stream. From here on, the data to
- append is simply compressed using deflate, and written to the gzip file.
- When that is complete, the new CRC-32 and uncompressed length are written
- as the trailer of the gzip file.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include "zlib.h"
-
-#define local static
-#define LGCHUNK 14
-#define CHUNK (1U << LGCHUNK)
-#define DSIZE 32768U
-
-/* print an error message and terminate with extreme prejudice */
-local void bye(char *msg1, char *msg2)
-{
- fprintf(stderr, "gzappend error: %s%s\n", msg1, msg2);
- exit(1);
-}
-
-/* return the greatest common divisor of a and b using Euclid's algorithm,
- modified to be fast when one argument much greater than the other, and
- coded to avoid unnecessary swapping */
-local unsigned gcd(unsigned a, unsigned b)
-{
- unsigned c;
-
- while (a && b)
- if (a > b) {
- c = b;
- while (a - c >= c)
- c <<= 1;
- a -= c;
- }
- else {
- c = a;
- while (b - c >= c)
- c <<= 1;
- b -= c;
- }
- return a + b;
-}
-
-/* rotate list[0..len-1] left by rot positions, in place */
-local void rotate(unsigned char *list, unsigned len, unsigned rot)
-{
- unsigned char tmp;
- unsigned cycles;
- unsigned char *start, *last, *to, *from;
-
- /* normalize rot and handle degenerate cases */
- if (len < 2) return;
- if (rot >= len) rot %= len;
- if (rot == 0) return;
-
- /* pointer to last entry in list */
- last = list + (len - 1);
-
- /* do simple left shift by one */
- if (rot == 1) {
- tmp = *list;
- memcpy(list, list + 1, len - 1);
- *last = tmp;
- return;
- }
-
- /* do simple right shift by one */
- if (rot == len - 1) {
- tmp = *last;
- memmove(list + 1, list, len - 1);
- *list = tmp;
- return;
- }
-
- /* otherwise do rotate as a set of cycles in place */
- cycles = gcd(len, rot); /* number of cycles */
- do {
- start = from = list + cycles; /* start index is arbitrary */
- tmp = *from; /* save entry to be overwritten */
- for (;;) {
- to = from; /* next step in cycle */
- from += rot; /* go right rot positions */
- if (from > last) from -= len; /* (pointer better not wrap) */
- if (from == start) break; /* all but one shifted */
- *to = *from; /* shift left */
- }
- *to = tmp; /* complete the circle */
- } while (--cycles);
-}
-
-/* structure for gzip file read operations */
-typedef struct {
- int fd; /* file descriptor */
- int size; /* 1 << size is bytes in buf */
- unsigned left; /* bytes available at next */
- unsigned char *buf; /* buffer */
- unsigned char *next; /* next byte in buffer */
- char *name; /* file name for error messages */
-} file;
-
-/* reload buffer */
-local int readin(file *in)
-{
- int len;
-
- len = read(in->fd, in->buf, 1 << in->size);
- if (len == -1) bye("error reading ", in->name);
- in->left = (unsigned)len;
- in->next = in->buf;
- return len;
-}
-
-/* read from file in, exit if end-of-file */
-local int readmore(file *in)
-{
- if (readin(in) == 0) bye("unexpected end of ", in->name);
- return 0;
-}
-
-#define read1(in) (in->left == 0 ? readmore(in) : 0, \
- in->left--, *(in->next)++)
-
-/* skip over n bytes of in */
-local void skip(file *in, unsigned n)
-{
- unsigned bypass;
-
- if (n > in->left) {
- n -= in->left;
- bypass = n & ~((1U << in->size) - 1);
- if (bypass) {
- if (lseek(in->fd, (off_t)bypass, SEEK_CUR) == -1)
- bye("seeking ", in->name);
- n -= bypass;
- }
- readmore(in);
- if (n > in->left)
- bye("unexpected end of ", in->name);
- }
- in->left -= n;
- in->next += n;
-}
-
-/* read a four-byte unsigned integer, little-endian, from in */
-unsigned long read4(file *in)
-{
- unsigned long val;
-
- val = read1(in);
- val += (unsigned)read1(in) << 8;
- val += (unsigned long)read1(in) << 16;
- val += (unsigned long)read1(in) << 24;
- return val;
-}
-
-/* skip over gzip header */
-local void gzheader(file *in)
-{
- int flags;
- unsigned n;
-
- if (read1(in) != 31 || read1(in) != 139) bye(in->name, " not a gzip file");
- if (read1(in) != 8) bye("unknown compression method in", in->name);
- flags = read1(in);
- if (flags & 0xe0) bye("unknown header flags set in", in->name);
- skip(in, 6);
- if (flags & 4) {
- n = read1(in);
- n += (unsigned)(read1(in)) << 8;
- skip(in, n);
- }
- if (flags & 8) while (read1(in) != 0) ;
- if (flags & 16) while (read1(in) != 0) ;
- if (flags & 2) skip(in, 2);
-}
-
-/* decompress gzip file "name", return strm with a deflate stream ready to
- continue compression of the data in the gzip file, and return a file
- descriptor pointing to where to write the compressed data -- the deflate
- stream is initialized to compress using level "level" */
-local int gzscan(char *name, z_stream *strm, int level)
-{
- int ret, lastbit, left, full;
- unsigned have;
- unsigned long crc, tot;
- unsigned char *window;
- off_t lastoff, end;
- file gz;
-
- /* open gzip file */
- gz.name = name;
- gz.fd = open(name, O_RDWR, 0);
- if (gz.fd == -1) bye("cannot open ", name);
- gz.buf = malloc(CHUNK);
- if (gz.buf == NULL) bye("out of memory", "");
- gz.size = LGCHUNK;
- gz.left = 0;
-
- /* skip gzip header */
- gzheader(&gz);
-
- /* prepare to decompress */
- window = malloc(DSIZE);
- if (window == NULL) bye("out of memory", "");
- strm->zalloc = Z_NULL;
- strm->zfree = Z_NULL;
- strm->opaque = Z_NULL;
- ret = inflateInit2(strm, -15);
- if (ret != Z_OK) bye("out of memory", " or library mismatch");
-
- /* decompress the deflate stream, saving append information */
- lastbit = 0;
- lastoff = lseek(gz.fd, 0L, SEEK_CUR) - gz.left;
- left = 0;
- strm->avail_in = gz.left;
- strm->next_in = gz.next;
- crc = crc32(0L, Z_NULL, 0);
- have = full = 0;
- do {
- /* if needed, get more input */
- if (strm->avail_in == 0) {
- readmore(&gz);
- strm->avail_in = gz.left;
- strm->next_in = gz.next;
- }
-
- /* set up output to next available section of sliding window */
- strm->avail_out = DSIZE - have;
- strm->next_out = window + have;
-
- /* inflate and check for errors */
- ret = inflate(strm, Z_BLOCK);
- if (ret == Z_STREAM_ERROR) bye("internal stream error!", "");
- if (ret == Z_MEM_ERROR) bye("out of memory", "");
- if (ret == Z_DATA_ERROR)
- bye("invalid compressed data--format violated in", name);
-
- /* update crc and sliding window pointer */
- crc = crc32(crc, window + have, DSIZE - have - strm->avail_out);
- if (strm->avail_out)
- have = DSIZE - strm->avail_out;
- else {
- have = 0;
- full = 1;
- }
-
- /* process end of block */
- if (strm->data_type & 128) {
- if (strm->data_type & 64)
- left = strm->data_type & 0x1f;
- else {
- lastbit = strm->data_type & 0x1f;
- lastoff = lseek(gz.fd, 0L, SEEK_CUR) - strm->avail_in;
- }
- }
- } while (ret != Z_STREAM_END);
- inflateEnd(strm);
- gz.left = strm->avail_in;
- gz.next = strm->next_in;
-
- /* save the location of the end of the compressed data */
- end = lseek(gz.fd, 0L, SEEK_CUR) - gz.left;
-
- /* check gzip trailer and save total for deflate */
- if (crc != read4(&gz))
- bye("invalid compressed data--crc mismatch in ", name);
- tot = strm->total_out;
- if ((tot & 0xffffffffUL) != read4(&gz))
- bye("invalid compressed data--length mismatch in", name);
-
- /* if not at end of file, warn */
- if (gz.left || readin(&gz))
- fprintf(stderr,
- "gzappend warning: junk at end of gzip file overwritten\n");
-
- /* clear last block bit */
- lseek(gz.fd, lastoff - (lastbit != 0), SEEK_SET);
- if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name);
- *gz.buf = (unsigned char)(*gz.buf ^ (1 << ((8 - lastbit) & 7)));
- lseek(gz.fd, -1L, SEEK_CUR);
- if (write(gz.fd, gz.buf, 1) != 1) bye("writing after seek to ", name);
-
- /* if window wrapped, build dictionary from window by rotating */
- if (full) {
- rotate(window, DSIZE, have);
- have = DSIZE;
- }
-
- /* set up deflate stream with window, crc, total_in, and leftover bits */
- ret = deflateInit2(strm, level, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY);
- if (ret != Z_OK) bye("out of memory", "");
- deflateSetDictionary(strm, window, have);
- strm->adler = crc;
- strm->total_in = tot;
- if (left) {
- lseek(gz.fd, --end, SEEK_SET);
- if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name);
- deflatePrime(strm, 8 - left, *gz.buf);
- }
- lseek(gz.fd, end, SEEK_SET);
-
- /* clean up and return */
- free(window);
- free(gz.buf);
- return gz.fd;
-}
-
-/* append file "name" to gzip file gd using deflate stream strm -- if last
- is true, then finish off the deflate stream at the end */
-local void gztack(char *name, int gd, z_stream *strm, int last)
-{
- int fd, len, ret;
- unsigned left;
- unsigned char *in, *out;
-
- /* open file to compress and append */
- fd = 0;
- if (name != NULL) {
- fd = open(name, O_RDONLY, 0);
- if (fd == -1)
- fprintf(stderr, "gzappend warning: %s not found, skipping ...\n",
- name);
- }
-
- /* allocate buffers */
- in = fd == -1 ? NULL : malloc(CHUNK);
- out = malloc(CHUNK);
- if (out == NULL) bye("out of memory", "");
-
- /* compress input file and append to gzip file */
- do {
- /* get more input */
- len = fd == -1 ? 0 : read(fd, in, CHUNK);
- if (len == -1) {
- fprintf(stderr,
- "gzappend warning: error reading %s, skipping rest ...\n",
- name);
- len = 0;
- }
- strm->avail_in = (unsigned)len;
- strm->next_in = in;
- if (len) strm->adler = crc32(strm->adler, in, (unsigned)len);
-
- /* compress and write all available output */
- do {
- strm->avail_out = CHUNK;
- strm->next_out = out;
- ret = deflate(strm, last && len == 0 ? Z_FINISH : Z_NO_FLUSH);
- left = CHUNK - strm->avail_out;
- while (left) {
- len = write(gd, out + CHUNK - strm->avail_out - left, left);
- if (len == -1) bye("writing gzip file", "");
- left -= (unsigned)len;
- }
- } while (strm->avail_out == 0 && ret != Z_STREAM_END);
- } while (len != 0);
-
- /* write trailer after last entry */
- if (last) {
- deflateEnd(strm);
- out[0] = (unsigned char)(strm->adler);
- out[1] = (unsigned char)(strm->adler >> 8);
- out[2] = (unsigned char)(strm->adler >> 16);
- out[3] = (unsigned char)(strm->adler >> 24);
- out[4] = (unsigned char)(strm->total_in);
- out[5] = (unsigned char)(strm->total_in >> 8);
- out[6] = (unsigned char)(strm->total_in >> 16);
- out[7] = (unsigned char)(strm->total_in >> 24);
- len = 8;
- do {
- ret = write(gd, out + 8 - len, len);
- if (ret == -1) bye("writing gzip file", "");
- len -= ret;
- } while (len);
- close(gd);
- }
-
- /* clean up and return */
- free(out);
- if (in != NULL) free(in);
- if (fd > 0) close(fd);
-}
-
-/* process the compression level option if present, scan the gzip file, and
- append the specified files, or append the data from stdin if no other file
- names are provided on the command line -- the gzip file must be writable
- and seekable */
-int main(int argc, char **argv)
-{
- int gd, level;
- z_stream strm;
-
- /* ignore command name */
- argv++;
-
- /* provide usage if no arguments */
- if (*argv == NULL) {
- printf("gzappend 1.1 (4 Nov 2003) Copyright (C) 2003 Mark Adler\n");
- printf(
- "usage: gzappend [-level] file.gz [ addthis [ andthis ... ]]\n");
- return 0;
- }
-
- /* set compression level */
- level = Z_DEFAULT_COMPRESSION;
- if (argv[0][0] == '-') {
- if (argv[0][1] < '0' || argv[0][1] > '9' || argv[0][2] != 0)
- bye("invalid compression level", "");
- level = argv[0][1] - '0';
- if (*++argv == NULL) bye("no gzip file name after options", "");
- }
-
- /* prepare to append to gzip file */
- gd = gzscan(*argv++, &strm, level);
-
- /* append files on command line, or from stdin if none */
- if (*argv == NULL)
- gztack(NULL, gd, &strm, 1);
- else
- do {
- gztack(*argv, gd, &strm, argv[1] == NULL);
- } while (*++argv != NULL);
- return 0;
-}
+++ /dev/null
-/* gzjoin -- command to join gzip files into one gzip file
-
- Copyright (C) 2004 Mark Adler, all rights reserved
- version 1.0, 11 Dec 2004
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the author be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
- Mark Adler madler@alumni.caltech.edu
- */
-
-/*
- * Change history:
- *
- * 1.0 11 Dec 2004 - First version
- * 1.1 12 Jun 2005 - Changed ssize_t to long for portability
- */
-
-/*
- gzjoin takes one or more gzip files on the command line and writes out a
- single gzip file that will uncompress to the concatenation of the
- uncompressed data from the individual gzip files. gzjoin does this without
- having to recompress any of the data and without having to calculate a new
- crc32 for the concatenated uncompressed data. gzjoin does however have to
- decompress all of the input data in order to find the bits in the compressed
- data that need to be modified to concatenate the streams.
-
- gzjoin does not do an integrity check on the input gzip files other than
- checking the gzip header and decompressing the compressed data. They are
- otherwise assumed to be complete and correct.
-
- Each joint between gzip files removes at least 18 bytes of previous trailer
- and subsequent header, and inserts an average of about three bytes to the
- compressed data in order to connect the streams. The output gzip file
- has a minimal ten-byte gzip header with no file name or modification time.
-
- This program was written to illustrate the use of the Z_BLOCK option of
- inflate() and the crc32_combine() function. gzjoin will not compile with
- versions of zlib earlier than 1.2.3.
- */
-
-#include <stdio.h> /* fputs(), fprintf(), fwrite(), putc() */
-#include <stdlib.h> /* exit(), malloc(), free() */
-#include <fcntl.h> /* open() */
-#include <unistd.h> /* close(), read(), lseek() */
-#include "zlib.h"
- /* crc32(), crc32_combine(), inflateInit2(), inflate(), inflateEnd() */
-
-#define local static
-
-/* exit with an error (return a value to allow use in an expression) */
-local int bail(char *why1, char *why2)
-{
- fprintf(stderr, "gzjoin error: %s%s, output incomplete\n", why1, why2);
- exit(1);
- return 0;
-}
-
-/* -- simple buffered file input with access to the buffer -- */
-
-#define CHUNK 32768 /* must be a power of two and fit in unsigned */
-
-/* bin buffered input file type */
-typedef struct {
- char *name; /* name of file for error messages */
- int fd; /* file descriptor */
- unsigned left; /* bytes remaining at next */
- unsigned char *next; /* next byte to read */
- unsigned char *buf; /* allocated buffer of length CHUNK */
-} bin;
-
-/* close a buffered file and free allocated memory */
-local void bclose(bin *in)
-{
- if (in != NULL) {
- if (in->fd != -1)
- close(in->fd);
- if (in->buf != NULL)
- free(in->buf);
- free(in);
- }
-}
-
-/* open a buffered file for input, return a pointer to type bin, or NULL on
- failure */
-local bin *bopen(char *name)
-{
- bin *in;
-
- in = malloc(sizeof(bin));
- if (in == NULL)
- return NULL;
- in->buf = malloc(CHUNK);
- in->fd = open(name, O_RDONLY, 0);
- if (in->buf == NULL || in->fd == -1) {
- bclose(in);
- return NULL;
- }
- in->left = 0;
- in->next = in->buf;
- in->name = name;
- return in;
-}
-
-/* load buffer from file, return -1 on read error, 0 or 1 on success, with
- 1 indicating that end-of-file was reached */
-local int bload(bin *in)
-{
- long len;
-
- if (in == NULL)
- return -1;
- if (in->left != 0)
- return 0;
- in->next = in->buf;
- do {
- len = (long)read(in->fd, in->buf + in->left, CHUNK - in->left);
- if (len < 0)
- return -1;
- in->left += (unsigned)len;
- } while (len != 0 && in->left < CHUNK);
- return len == 0 ? 1 : 0;
-}
-
-/* get a byte from the file, bail if end of file */
-#define bget(in) (in->left ? 0 : bload(in), \
- in->left ? (in->left--, *(in->next)++) : \
- bail("unexpected end of file on ", in->name))
-
-/* get a four-byte little-endian unsigned integer from file */
-local unsigned long bget4(bin *in)
-{
- unsigned long val;
-
- val = bget(in);
- val += (unsigned long)(bget(in)) << 8;
- val += (unsigned long)(bget(in)) << 16;
- val += (unsigned long)(bget(in)) << 24;
- return val;
-}
-
-/* skip bytes in file */
-local void bskip(bin *in, unsigned skip)
-{
- /* check pointer */
- if (in == NULL)
- return;
-
- /* easy case -- skip bytes in buffer */
- if (skip <= in->left) {
- in->left -= skip;
- in->next += skip;
- return;
- }
-
- /* skip what's in buffer, discard buffer contents */
- skip -= in->left;
- in->left = 0;
-
- /* seek past multiples of CHUNK bytes */
- if (skip > CHUNK) {
- unsigned left;
-
- left = skip & (CHUNK - 1);
- if (left == 0) {
- /* exact number of chunks: seek all the way minus one byte to check
- for end-of-file with a read */
- lseek(in->fd, skip - 1, SEEK_CUR);
- if (read(in->fd, in->buf, 1) != 1)
- bail("unexpected end of file on ", in->name);
- return;
- }
-
- /* skip the integral chunks, update skip with remainder */
- lseek(in->fd, skip - left, SEEK_CUR);
- skip = left;
- }
-
- /* read more input and skip remainder */
- bload(in);
- if (skip > in->left)
- bail("unexpected end of file on ", in->name);
- in->left -= skip;
- in->next += skip;
-}
-
-/* -- end of buffered input functions -- */
-
-/* skip the gzip header from file in */
-local void gzhead(bin *in)
-{
- int flags;
-
- /* verify gzip magic header and compression method */
- if (bget(in) != 0x1f || bget(in) != 0x8b || bget(in) != 8)
- bail(in->name, " is not a valid gzip file");
-
- /* get and verify flags */
- flags = bget(in);
- if ((flags & 0xe0) != 0)
- bail("unknown reserved bits set in ", in->name);
-
- /* skip modification time, extra flags, and os */
- bskip(in, 6);
-
- /* skip extra field if present */
- if (flags & 4) {
- unsigned len;
-
- len = bget(in);
- len += (unsigned)(bget(in)) << 8;
- bskip(in, len);
- }
-
- /* skip file name if present */
- if (flags & 8)
- while (bget(in) != 0)
- ;
-
- /* skip comment if present */
- if (flags & 16)
- while (bget(in) != 0)
- ;
-
- /* skip header crc if present */
- if (flags & 2)
- bskip(in, 2);
-}
-
-/* write a four-byte little-endian unsigned integer to out */
-local void put4(unsigned long val, FILE *out)
-{
- putc(val & 0xff, out);
- putc((val >> 8) & 0xff, out);
- putc((val >> 16) & 0xff, out);
- putc((val >> 24) & 0xff, out);
-}
-
-/* Load up zlib stream from buffered input, bail if end of file */
-local void zpull(z_streamp strm, bin *in)
-{
- if (in->left == 0)
- bload(in);
- if (in->left == 0)
- bail("unexpected end of file on ", in->name);
- strm->avail_in = in->left;
- strm->next_in = in->next;
-}
-
-/* Write header for gzip file to out and initialize trailer. */
-local void gzinit(unsigned long *crc, unsigned long *tot, FILE *out)
-{
- fwrite("\x1f\x8b\x08\0\0\0\0\0\0\xff", 1, 10, out);
- *crc = crc32(0L, Z_NULL, 0);
- *tot = 0;
-}
-
-/* Copy the compressed data from name, zeroing the last block bit of the last
- block if clr is true, and adding empty blocks as needed to get to a byte
- boundary. If clr is false, then the last block becomes the last block of
- the output, and the gzip trailer is written. crc and tot maintains the
- crc and length (modulo 2^32) of the output for the trailer. The resulting
- gzip file is written to out. gzinit() must be called before the first call
- of gzcopy() to write the gzip header and to initialize crc and tot. */
-local void gzcopy(char *name, int clr, unsigned long *crc, unsigned long *tot,
- FILE *out)
-{
- int ret; /* return value from zlib functions */
- int pos; /* where the "last block" bit is in byte */
- int last; /* true if processing the last block */
- bin *in; /* buffered input file */
- unsigned char *start; /* start of compressed data in buffer */
- unsigned char *junk; /* buffer for uncompressed data -- discarded */
- z_off_t len; /* length of uncompressed data (support > 4 GB) */
- z_stream strm; /* zlib inflate stream */
-
- /* open gzip file and skip header */
- in = bopen(name);
- if (in == NULL)
- bail("could not open ", name);
- gzhead(in);
-
- /* allocate buffer for uncompressed data and initialize raw inflate
- stream */
- junk = malloc(CHUNK);
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = 0;
- strm.next_in = Z_NULL;
- ret = inflateInit2(&strm, -15);
- if (junk == NULL || ret != Z_OK)
- bail("out of memory", "");
-
- /* inflate and copy compressed data, clear last-block bit if requested */
- len = 0;
- zpull(&strm, in);
- start = strm.next_in;
- last = start[0] & 1;
- if (last && clr)
- start[0] &= ~1;
- strm.avail_out = 0;
- for (;;) {
- /* if input used and output done, write used input and get more */
- if (strm.avail_in == 0 && strm.avail_out != 0) {
- fwrite(start, 1, strm.next_in - start, out);
- start = in->buf;
- in->left = 0;
- zpull(&strm, in);
- }
-
- /* decompress -- return early when end-of-block reached */
- strm.avail_out = CHUNK;
- strm.next_out = junk;
- ret = inflate(&strm, Z_BLOCK);
- switch (ret) {
- case Z_MEM_ERROR:
- bail("out of memory", "");
- case Z_DATA_ERROR:
- bail("invalid compressed data in ", in->name);
- }
-
- /* update length of uncompressed data */
- len += CHUNK - strm.avail_out;
-
- /* check for block boundary (only get this when block copied out) */
- if (strm.data_type & 128) {
- /* if that was the last block, then done */
- if (last)
- break;
-
- /* number of unused bits in last byte */
- pos = strm.data_type & 7;
-
- /* find the next last-block bit */
- if (pos != 0) {
- /* next last-block bit is in last used byte */
- pos = 0x100 >> pos;
- last = strm.next_in[-1] & pos;
- if (last && clr)
- strm.next_in[-1] &= ~pos;
- }
- else {
- /* next last-block bit is in next unused byte */
- if (strm.avail_in == 0) {
- /* don't have that byte yet -- get it */
- fwrite(start, 1, strm.next_in - start, out);
- start = in->buf;
- in->left = 0;
- zpull(&strm, in);
- }
- last = strm.next_in[0] & 1;
- if (last && clr)
- strm.next_in[0] &= ~1;
- }
- }
- }
-
- /* update buffer with unused input */
- in->left = strm.avail_in;
- in->next = strm.next_in;
-
- /* copy used input, write empty blocks to get to byte boundary */
- pos = strm.data_type & 7;
- fwrite(start, 1, in->next - start - 1, out);
- last = in->next[-1];
- if (pos == 0 || !clr)
- /* already at byte boundary, or last file: write last byte */
- putc(last, out);
- else {
- /* append empty blocks to last byte */
- last &= ((0x100 >> pos) - 1); /* assure unused bits are zero */
- if (pos & 1) {
- /* odd -- append an empty stored block */
- putc(last, out);
- if (pos == 1)
- putc(0, out); /* two more bits in block header */
- fwrite("\0\0\xff\xff", 1, 4, out);
- }
- else {
- /* even -- append 1, 2, or 3 empty fixed blocks */
- switch (pos) {
- case 6:
- putc(last | 8, out);
- last = 0;
- case 4:
- putc(last | 0x20, out);
- last = 0;
- case 2:
- putc(last | 0x80, out);
- putc(0, out);
- }
- }
- }
-
- /* update crc and tot */
- *crc = crc32_combine(*crc, bget4(in), len);
- *tot += (unsigned long)len;
-
- /* clean up */
- inflateEnd(&strm);
- free(junk);
- bclose(in);
-
- /* write trailer if this is the last gzip file */
- if (!clr) {
- put4(*crc, out);
- put4(*tot, out);
- }
-}
-
-/* join the gzip files on the command line, write result to stdout */
-int main(int argc, char **argv)
-{
- unsigned long crc, tot; /* running crc and total uncompressed length */
-
- /* skip command name */
- argc--;
- argv++;
-
- /* show usage if no arguments */
- if (argc == 0) {
- fputs("gzjoin usage: gzjoin f1.gz [f2.gz [f3.gz ...]] > fjoin.gz\n",
- stderr);
- return 0;
- }
-
- /* join gzip files on command line and write to stdout */
- gzinit(&crc, &tot, stdout);
- while (argc--)
- gzcopy(*argv++, argc, &crc, &tot, stdout);
-
- /* done */
- return 0;
-}
+++ /dev/null
-/*
- * gzlog.c
- * Copyright (C) 2004 Mark Adler
- * For conditions of distribution and use, see copyright notice in gzlog.h
- * version 1.0, 26 Nov 2004
- *
- */
-
-#include <string.h> /* memcmp() */
-#include <stdlib.h> /* malloc(), free(), NULL */
-#include <sys/types.h> /* size_t, off_t */
-#include <unistd.h> /* read(), close(), sleep(), ftruncate(), */
- /* lseek() */
-#include <fcntl.h> /* open() */
-#include <sys/file.h> /* flock() */
-#include "zlib.h" /* deflateInit2(), deflate(), deflateEnd() */
-
-#include "gzlog.h" /* interface */
-#define local static
-
-/* log object structure */
-typedef struct {
- int id; /* object identifier */
- int fd; /* log file descriptor */
- off_t extra; /* offset of extra "ap" subfield */
- off_t mark_off; /* offset of marked data */
- off_t last_off; /* offset of last block */
- unsigned long crc; /* uncompressed crc */
- unsigned long len; /* uncompressed length (modulo 2^32) */
- unsigned stored; /* length of current stored block */
-} gz_log;
-
-#define GZLOGID 19334 /* gz_log object identifier */
-
-#define LOCK_RETRY 1 /* retry lock once a second */
-#define LOCK_PATIENCE 1200 /* try about twenty minutes before forcing */
-
-/* acquire a lock on a file */
-local int lock(int fd)
-{
- int patience;
-
- /* try to lock every LOCK_RETRY seconds for LOCK_PATIENCE seconds */
- patience = LOCK_PATIENCE;
- do {
- if (flock(fd, LOCK_EX + LOCK_NB) == 0)
- return 0;
- (void)sleep(LOCK_RETRY);
- patience -= LOCK_RETRY;
- } while (patience > 0);
-
- /* we've run out of patience -- give up */
- return -1;
-}
-
-/* release lock */
-local void unlock(int fd)
-{
- (void)flock(fd, LOCK_UN);
-}
-
-/* release a log object */
-local void log_clean(gz_log *log)
-{
- unlock(log->fd);
- (void)close(log->fd);
- free(log);
-}
-
-/* read an unsigned long from a byte buffer little-endian */
-local unsigned long make_ulg(unsigned char *buf)
-{
- int n;
- unsigned long val;
-
- val = (unsigned long)(*buf++);
- for (n = 8; n < 32; n += 8)
- val += (unsigned long)(*buf++) << n;
- return val;
-}
-
-/* read an off_t from a byte buffer little-endian */
-local off_t make_off(unsigned char *buf)
-{
- int n;
- off_t val;
-
- val = (off_t)(*buf++);
- for (n = 8; n < 64; n += 8)
- val += (off_t)(*buf++) << n;
- return val;
-}
-
-/* write an unsigned long little-endian to byte buffer */
-local void dice_ulg(unsigned long val, unsigned char *buf)
-{
- int n;
-
- for (n = 0; n < 4; n++) {
- *buf++ = val & 0xff;
- val >>= 8;
- }
-}
-
-/* write an off_t little-endian to byte buffer */
-local void dice_off(off_t val, unsigned char *buf)
-{
- int n;
-
- for (n = 0; n < 8; n++) {
- *buf++ = val & 0xff;
- val >>= 8;
- }
-}
-
-/* initial, empty gzip file for appending */
-local char empty_gz[] = {
- 0x1f, 0x8b, /* magic gzip id */
- 8, /* compression method is deflate */
- 4, /* there is an extra field */
- 0, 0, 0, 0, /* no modification time provided */
- 0, 0xff, /* no extra flags, no OS */
- 20, 0, 'a', 'p', 16, 0, /* extra field with "ap" subfield */
- 32, 0, 0, 0, 0, 0, 0, 0, /* offset of uncompressed data */
- 32, 0, 0, 0, 0, 0, 0, 0, /* offset of last block */
- 1, 0, 0, 0xff, 0xff, /* empty stored block (last) */
- 0, 0, 0, 0, /* crc */
- 0, 0, 0, 0 /* uncompressed length */
-};
-
-/* initialize a log object with locking */
-void *gzlog_open(char *path)
-{
- unsigned xlen;
- unsigned char temp[20];
- unsigned sub_len;
- int good;
- gz_log *log;
-
- /* allocate log structure */
- log = malloc(sizeof(gz_log));
- if (log == NULL)
- return NULL;
- log->id = GZLOGID;
-
- /* open file, creating it if necessary, and locking it */
- log->fd = open(path, O_RDWR | O_CREAT, 0600);
- if (log->fd < 0) {
- free(log);
- return NULL;
- }
- if (lock(log->fd)) {
- close(log->fd);
- free(log);
- return NULL;
- }
-
- /* if file is empty, write new gzip stream */
- if (lseek(log->fd, 0, SEEK_END) == 0) {
- if (write(log->fd, empty_gz, sizeof(empty_gz)) != sizeof(empty_gz)) {
- log_clean(log);
- return NULL;
- }
- }
-
- /* check gzip header */
- (void)lseek(log->fd, 0, SEEK_SET);
- if (read(log->fd, temp, 12) != 12 || temp[0] != 0x1f ||
- temp[1] != 0x8b || temp[2] != 8 || (temp[3] & 4) == 0) {
- log_clean(log);
- return NULL;
- }
-
- /* process extra field to find "ap" sub-field */
- xlen = temp[10] + (temp[11] << 8);
- good = 0;
- while (xlen) {
- if (xlen < 4 || read(log->fd, temp, 4) != 4)
- break;
- sub_len = temp[2];
- sub_len += temp[3] << 8;
- xlen -= 4;
- if (memcmp(temp, "ap", 2) == 0 && sub_len == 16) {
- good = 1;
- break;
- }
- if (xlen < sub_len)
- break;
- (void)lseek(log->fd, sub_len, SEEK_CUR);
- xlen -= sub_len;
- }
- if (!good) {
- log_clean(log);
- return NULL;
- }
-
- /* read in "ap" sub-field */
- log->extra = lseek(log->fd, 0, SEEK_CUR);
- if (read(log->fd, temp, 16) != 16) {
- log_clean(log);
- return NULL;
- }
- log->mark_off = make_off(temp);
- log->last_off = make_off(temp + 8);
-
- /* get crc, length of gzip file */
- (void)lseek(log->fd, log->last_off, SEEK_SET);
- if (read(log->fd, temp, 13) != 13 ||
- memcmp(temp, "\001\000\000\377\377", 5) != 0) {
- log_clean(log);
- return NULL;
- }
- log->crc = make_ulg(temp + 5);
- log->len = make_ulg(temp + 9);
-
- /* set up to write over empty last block */
- (void)lseek(log->fd, log->last_off + 5, SEEK_SET);
- log->stored = 0;
- return (void *)log;
-}
-
-/* maximum amount to put in a stored block before starting a new one */
-#define MAX_BLOCK 16384
-
-/* write a block to a log object */
-int gzlog_write(void *obj, char *data, size_t len)
-{
- size_t some;
- unsigned char temp[5];
- gz_log *log;
-
- /* check object */
- log = (gz_log *)obj;
- if (log == NULL || log->id != GZLOGID)
- return 1;
-
- /* write stored blocks until all of the input is written */
- do {
- some = MAX_BLOCK - log->stored;
- if (some > len)
- some = len;
- if (write(log->fd, data, some) != some)
- return 1;
- log->crc = crc32(log->crc, data, some);
- log->len += some;
- len -= some;
- data += some;
- log->stored += some;
-
- /* if the stored block is full, end it and start another */
- if (log->stored == MAX_BLOCK) {
- (void)lseek(log->fd, log->last_off, SEEK_SET);
- temp[0] = 0;
- dice_ulg(log->stored + ((unsigned long)(~log->stored) << 16),
- temp + 1);
- if (write(log->fd, temp, 5) != 5)
- return 1;
- log->last_off = lseek(log->fd, log->stored, SEEK_CUR);
- (void)lseek(log->fd, 5, SEEK_CUR);
- log->stored = 0;
- }
- } while (len);
- return 0;
-}
-
-/* recompress the remaining stored deflate data in place */
-local int recomp(gz_log *log)
-{
- z_stream strm;
- size_t len, max;
- unsigned char *in;
- unsigned char *out;
- unsigned char temp[16];
-
- /* allocate space and read it all in (it's around 1 MB) */
- len = log->last_off - log->mark_off;
- max = len + (len >> 12) + (len >> 14) + 11;
- out = malloc(max);
- if (out == NULL)
- return 1;
- in = malloc(len);
- if (in == NULL) {
- free(out);
- return 1;
- }
- (void)lseek(log->fd, log->mark_off, SEEK_SET);
- if (read(log->fd, in, len) != len) {
- free(in);
- free(out);
- return 1;
- }
-
- /* recompress in memory, decoding stored data as we go */
- /* note: this assumes that unsigned is four bytes or more */
- /* consider not making that assumption */
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- if (deflateInit2(&strm, Z_BEST_COMPRESSION, Z_DEFLATED, -15, 8,
- Z_DEFAULT_STRATEGY) != Z_OK) {
- free(in);
- free(out);
- return 1;
- }
- strm.next_in = in;
- strm.avail_out = max;
- strm.next_out = out;
- while (len >= 5) {
- if (strm.next_in[0] != 0)
- break;
- strm.avail_in = strm.next_in[1] + (strm.next_in[2] << 8);
- strm.next_in += 5;
- len -= 5;
- if (strm.avail_in != 0) {
- if (len < strm.avail_in)
- break;
- len -= strm.avail_in;
- (void)deflate(&strm, Z_NO_FLUSH);
- if (strm.avail_in != 0 || strm.avail_out == 0)
- break;
- }
- }
- (void)deflate(&strm, Z_SYNC_FLUSH);
- (void)deflateEnd(&strm);
- free(in);
- if (len != 0 || strm.avail_out == 0) {
- free(out);
- return 1;
- }
-
- /* overwrite stored data with compressed data */
- (void)lseek(log->fd, log->mark_off, SEEK_SET);
- len = max - strm.avail_out;
- if (write(log->fd, out, len) != len) {
- free(out);
- return 1;
- }
- free(out);
-
- /* write last empty block, crc, and length */
- log->mark_off = log->last_off = lseek(log->fd, 0, SEEK_CUR);
- temp[0] = 1;
- dice_ulg(0xffffL << 16, temp + 1);
- dice_ulg(log->crc, temp + 5);
- dice_ulg(log->len, temp + 9);
- if (write(log->fd, temp, 13) != 13)
- return 1;
-
- /* truncate file to discard remaining stored data and old trailer */
- ftruncate(log->fd, lseek(log->fd, 0, SEEK_CUR));
-
- /* update extra field to point to new last empty block */
- (void)lseek(log->fd, log->extra, SEEK_SET);
- dice_off(log->mark_off, temp);
- dice_off(log->last_off, temp + 8);
- if (write(log->fd, temp, 16) != 16)
- return 1;
- return 0;
-}
-
-/* maximum accumulation of stored blocks before compressing */
-#define MAX_STORED 1048576
-
-/* close log object */
-int gzlog_close(void *obj)
-{
- unsigned char temp[8];
- gz_log *log;
-
- /* check object */
- log = (gz_log *)obj;
- if (log == NULL || log->id != GZLOGID)
- return 1;
-
- /* go to start of most recent block being written */
- (void)lseek(log->fd, log->last_off, SEEK_SET);
-
- /* if some stuff was put there, update block */
- if (log->stored) {
- temp[0] = 0;
- dice_ulg(log->stored + ((unsigned long)(~log->stored) << 16),
- temp + 1);
- if (write(log->fd, temp, 5) != 5)
- return 1;
- log->last_off = lseek(log->fd, log->stored, SEEK_CUR);
- }
-
- /* write last block (empty) */
- if (write(log->fd, "\001\000\000\377\377", 5) != 5)
- return 1;
-
- /* write updated crc and uncompressed length */
- dice_ulg(log->crc, temp);
- dice_ulg(log->len, temp + 4);
- if (write(log->fd, temp, 8) != 8)
- return 1;
-
- /* put offset of that last block in gzip extra block */
- (void)lseek(log->fd, log->extra + 8, SEEK_SET);
- dice_off(log->last_off, temp);
- if (write(log->fd, temp, 8) != 8)
- return 1;
-
- /* if more than 1 MB stored, then time to compress it */
- if (log->last_off - log->mark_off > MAX_STORED) {
- if (recomp(log))
- return 1;
- }
-
- /* unlock and close file */
- log_clean(log);
- return 0;
-}
+++ /dev/null
-/* gzlog.h
- Copyright (C) 2004 Mark Adler, all rights reserved
- version 1.0, 26 Nov 2004
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the author be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
- Mark Adler madler@alumni.caltech.edu
- */
-
-/*
- The gzlog object allows writing short messages to a gzipped log file,
- opening the log file locked for small bursts, and then closing it. The log
- object works by appending stored data to the gzip file until 1 MB has been
- accumulated. At that time, the stored data is compressed, and replaces the
- uncompressed data in the file. The log file is truncated to its new size at
- that time. After closing, the log file is always valid gzip file that can
- decompressed to recover what was written.
-
- A gzip header "extra" field contains two file offsets for appending. The
- first points to just after the last compressed data. The second points to
- the last stored block in the deflate stream, which is empty. All of the
- data between those pointers is uncompressed.
- */
-
-/* Open a gzlog object, creating the log file if it does not exist. Return
- NULL on error. Note that gzlog_open() could take a long time to return if
- there is difficulty in locking the file. */
-void *gzlog_open(char *path);
-
-/* Write to a gzlog object. Return non-zero on error. This function will
- simply write data to the file uncompressed. Compression of the data
- will not occur until gzlog_close() is called. It is expected that
- gzlog_write() is used for a short message, and then gzlog_close() is
- called. If a large amount of data is to be written, then the application
- should write no more than 1 MB at a time with gzlog_write() before
- calling gzlog_close() and then gzlog_open() again. */
-int gzlog_write(void *log, char *data, size_t len);
-
-/* Close a gzlog object. Return non-zero on error. The log file is locked
- until this function is called. This function will compress stored data
- at the end of the gzip file if at least 1 MB has been accumulated. Note
- that the file will not be a valid gzip file until this function completes.
- */
-int gzlog_close(void *log);
+++ /dev/null
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
- "http://www.w3.org/TR/REC-html40/loose.dtd">
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<title>zlib Usage Example</title>
-<!-- Copyright (c) 2004 Mark Adler. -->
-</head>
-<body bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#00A000">
-<h2 align="center"> zlib Usage Example </h2>
-We often get questions about how the <tt>deflate()</tt> and <tt>inflate()</tt> functions should be used.
-Users wonder when they should provide more input, when they should use more output,
-what to do with a <tt>Z_BUF_ERROR</tt>, how to make sure the process terminates properly, and
-so on. So for those who have read <tt>zlib.h</tt> (a few times), and
-would like further edification, below is an annotated example in C of simple routines to compress and decompress
-from an input file to an output file using <tt>deflate()</tt> and <tt>inflate()</tt> respectively. The
-annotations are interspersed between lines of the code. So please read between the lines.
-We hope this helps explain some of the intricacies of <em>zlib</em>.
-<p>
-Without further adieu, here is the program <a href="zpipe.c"><tt>zpipe.c</tt></a>:
-<pre><b>
-/* zpipe.c: example of proper use of zlib's inflate() and deflate()
- Not copyrighted -- provided to the public domain
- Version 1.2 9 November 2004 Mark Adler */
-
-/* Version history:
- 1.0 30 Oct 2004 First version
- 1.1 8 Nov 2004 Add void casting for unused return values
- Use switch statement for inflate() return values
- 1.2 9 Nov 2004 Add assertions to document zlib guarantees
- */
-</b></pre><!-- -->
-We now include the header files for the required definitions. From
-<tt>stdio.h</tt> we use <tt>fopen()</tt>, <tt>fread()</tt>, <tt>fwrite()</tt>,
-<tt>feof()</tt>, <tt>ferror()</tt>, and <tt>fclose()</tt> for file i/o, and
-<tt>fputs()</tt> for error messages. From <tt>string.h</tt> we use
-<tt>strcmp()</tt> for command line argument processing.
-From <tt>assert.h</tt> we use the <tt>assert()</tt> macro.
-From <tt>zlib.h</tt>
-we use the basic compression functions <tt>deflateInit()</tt>,
-<tt>deflate()</tt>, and <tt>deflateEnd()</tt>, and the basic decompression
-functions <tt>inflateInit()</tt>, <tt>inflate()</tt>, and
-<tt>inflateEnd()</tt>.
-<pre><b>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include "zlib.h"
-</b></pre><!-- -->
-<tt>CHUNK</tt> is simply the buffer size for feeding data to and pulling data
-from the <em>zlib</em> routines. Larger buffer sizes would be more efficient,
-especially for <tt>inflate()</tt>. If the memory is available, buffers sizes
-on the order of 128K or 256K bytes should be used.
-<pre><b>
-#define CHUNK 16384
-</b></pre><!-- -->
-The <tt>def()</tt> routine compresses data from an input file to an output file. The output data
-will be in the <em>zlib</em> format, which is different from the <em>gzip</em> or <em>zip</em>
-formats. The <em>zlib</em> format has a very small header of only two bytes to identify it as
-a <em>zlib</em> stream and to provide decoding information, and a four-byte trailer with a fast
-check value to verify the integrity of the uncompressed data after decoding.
-<pre><b>
-/* Compress from file source to file dest until EOF on source.
- def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
- allocated for processing, Z_STREAM_ERROR if an invalid compression
- level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
- version of the library linked do not match, or Z_ERRNO if there is
- an error reading or writing the files. */
-int def(FILE *source, FILE *dest, int level)
-{
-</b></pre>
-Here are the local variables for <tt>def()</tt>. <tt>ret</tt> will be used for <em>zlib</em>
-return codes. <tt>flush</tt> will keep track of the current flushing state for <tt>deflate()</tt>,
-which is either no flushing, or flush to completion after the end of the input file is reached.
-<tt>have</tt> is the amount of data returned from <tt>deflate()</tt>. The <tt>strm</tt> structure
-is used to pass information to and from the <em>zlib</em> routines, and to maintain the
-<tt>deflate()</tt> state. <tt>in</tt> and <tt>out</tt> are the input and output buffers for
-<tt>deflate()</tt>.
-<pre><b>
- int ret, flush;
- unsigned have;
- z_stream strm;
- char in[CHUNK];
- char out[CHUNK];
-</b></pre><!-- -->
-The first thing we do is to initialize the <em>zlib</em> state for compression using
-<tt>deflateInit()</tt>. This must be done before the first use of <tt>deflate()</tt>.
-The <tt>zalloc</tt>, <tt>zfree</tt>, and <tt>opaque</tt> fields in the <tt>strm</tt>
-structure must be initialized before calling <tt>deflateInit()</tt>. Here they are
-set to the <em>zlib</em> constant <tt>Z_NULL</tt> to request that <em>zlib</em> use
-the default memory allocation routines. An application may also choose to provide
-custom memory allocation routines here. <tt>deflateInit()</tt> will allocate on the
-order of 256K bytes for the internal state.
-(See <a href="zlib_tech.html"><em>zlib Technical Details</em></a>.)
-<p>
-<tt>deflateInit()</tt> is called with a pointer to the structure to be initialized and
-the compression level, which is an integer in the range of -1 to 9. Lower compression
-levels result in faster execution, but less compression. Higher levels result in
-greater compression, but slower execution. The <em>zlib</em> constant Z_DEFAULT_COMPRESSION,
-equal to -1,
-provides a good compromise between compression and speed and is equivalent to level 6.
-Level 0 actually does no compression at all, and in fact expands the data slightly to produce
-the <em>zlib</em> format (it is not a byte-for-byte copy of the input).
-More advanced applications of <em>zlib</em>
-may use <tt>deflateInit2()</tt> here instead. Such an application may want to reduce how
-much memory will be used, at some price in compression. Or it may need to request a
-<em>gzip</em> header and trailer instead of a <em>zlib</em> header and trailer, or raw
-encoding with no header or trailer at all.
-<p>
-We must check the return value of <tt>deflateInit()</tt> against the <em>zlib</em> constant
-<tt>Z_OK</tt> to make sure that it was able to
-allocate memory for the internal state, and that the provided arguments were valid.
-<tt>deflateInit()</tt> will also check that the version of <em>zlib</em> that the <tt>zlib.h</tt>
-file came from matches the version of <em>zlib</em> actually linked with the program. This
-is especially important for environments in which <em>zlib</em> is a shared library.
-<p>
-Note that an application can initialize multiple, independent <em>zlib</em> streams, which can
-operate in parallel. The state information maintained in the structure allows the <em>zlib</em>
-routines to be reentrant.
-<pre><b>
- /* allocate deflate state */
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- ret = deflateInit(&strm, level);
- if (ret != Z_OK)
- return ret;
-</b></pre><!-- -->
-With the pleasantries out of the way, now we can get down to business. The outer <tt>do</tt>-loop
-reads all of the input file and exits at the bottom of the loop once end-of-file is reached.
-This loop contains the only call of <tt>deflate()</tt>. So we must make sure that all of the
-input data has been processed and that all of the output data has been generated and consumed
-before we fall out of the loop at the bottom.
-<pre><b>
- /* compress until end of file */
- do {
-</b></pre>
-We start off by reading data from the input file. The number of bytes read is put directly
-into <tt>avail_in</tt>, and a pointer to those bytes is put into <tt>next_in</tt>. We also
-check to see if end-of-file on the input has been reached. If we are at the end of file, then <tt>flush</tt> is set to the
-<em>zlib</em> constant <tt>Z_FINISH</tt>, which is later passed to <tt>deflate()</tt> to
-indicate that this is the last chunk of input data to compress. We need to use <tt>feof()</tt>
-to check for end-of-file as opposed to seeing if fewer than <tt>CHUNK</tt> bytes have been read. The
-reason is that if the input file length is an exact multiple of <tt>CHUNK</tt>, we will miss
-the fact that we got to the end-of-file, and not know to tell <tt>deflate()</tt> to finish
-up the compressed stream. If we are not yet at the end of the input, then the <em>zlib</em>
-constant <tt>Z_NO_FLUSH</tt> will be passed to <tt>deflate</tt> to indicate that we are still
-in the middle of the uncompressed data.
-<p>
-If there is an error in reading from the input file, the process is aborted with
-<tt>deflateEnd()</tt> being called to free the allocated <em>zlib</em> state before returning
-the error. We wouldn't want a memory leak, now would we? <tt>deflateEnd()</tt> can be called
-at any time after the state has been initialized. Once that's done, <tt>deflateInit()</tt> (or
-<tt>deflateInit2()</tt>) would have to be called to start a new compression process. There is
-no point here in checking the <tt>deflateEnd()</tt> return code. The deallocation can't fail.
-<pre><b>
- strm.avail_in = fread(in, 1, CHUNK, source);
- if (ferror(source)) {
- (void)deflateEnd(&strm);
- return Z_ERRNO;
- }
- flush = feof(source) ? Z_FINISH : Z_NO_FLUSH;
- strm.next_in = in;
-</b></pre><!-- -->
-The inner <tt>do</tt>-loop passes our chunk of input data to <tt>deflate()</tt>, and then
-keeps calling <tt>deflate()</tt> until it is done producing output. Once there is no more
-new output, <tt>deflate()</tt> is guaranteed to have consumed all of the input, i.e.,
-<tt>avail_in</tt> will be zero.
-<pre><b>
- /* run deflate() on input until output buffer not full, finish
- compression if all of source has been read in */
- do {
-</b></pre>
-Output space is provided to <tt>deflate()</tt> by setting <tt>avail_out</tt> to the number
-of available output bytes and <tt>next_out</tt> to a pointer to that space.
-<pre><b>
- strm.avail_out = CHUNK;
- strm.next_out = out;
-</b></pre>
-Now we call the compression engine itself, <tt>deflate()</tt>. It takes as many of the
-<tt>avail_in</tt> bytes at <tt>next_in</tt> as it can process, and writes as many as
-<tt>avail_out</tt> bytes to <tt>next_out</tt>. Those counters and pointers are then
-updated past the input data consumed and the output data written. It is the amount of
-output space available that may limit how much input is consumed.
-Hence the inner loop to make sure that
-all of the input is consumed by providing more output space each time. Since <tt>avail_in</tt>
-and <tt>next_in</tt> are updated by <tt>deflate()</tt>, we don't have to mess with those
-between <tt>deflate()</tt> calls until it's all used up.
-<p>
-The parameters to <tt>deflate()</tt> are a pointer to the <tt>strm</tt> structure containing
-the input and output information and the internal compression engine state, and a parameter
-indicating whether and how to flush data to the output. Normally <tt>deflate</tt> will consume
-several K bytes of input data before producing any output (except for the header), in order
-to accumulate statistics on the data for optimum compression. It will then put out a burst of
-compressed data, and proceed to consume more input before the next burst. Eventually,
-<tt>deflate()</tt>
-must be told to terminate the stream, complete the compression with provided input data, and
-write out the trailer check value. <tt>deflate()</tt> will continue to compress normally as long
-as the flush parameter is <tt>Z_NO_FLUSH</tt>. Once the <tt>Z_FINISH</tt> parameter is provided,
-<tt>deflate()</tt> will begin to complete the compressed output stream. However depending on how
-much output space is provided, <tt>deflate()</tt> may have to be called several times until it
-has provided the complete compressed stream, even after it has consumed all of the input. The flush
-parameter must continue to be <tt>Z_FINISH</tt> for those subsequent calls.
-<p>
-There are other values of the flush parameter that are used in more advanced applications. You can
-force <tt>deflate()</tt> to produce a burst of output that encodes all of the input data provided
-so far, even if it wouldn't have otherwise, for example to control data latency on a link with
-compressed data. You can also ask that <tt>deflate()</tt> do that as well as erase any history up to
-that point so that what follows can be decompressed independently, for example for random access
-applications. Both requests will degrade compression by an amount depending on how often such
-requests are made.
-<p>
-<tt>deflate()</tt> has a return value that can indicate errors, yet we do not check it here. Why
-not? Well, it turns out that <tt>deflate()</tt> can do no wrong here. Let's go through
-<tt>deflate()</tt>'s return values and dispense with them one by one. The possible values are
-<tt>Z_OK</tt>, <tt>Z_STREAM_END</tt>, <tt>Z_STREAM_ERROR</tt>, or <tt>Z_BUF_ERROR</tt>. <tt>Z_OK</tt>
-is, well, ok. <tt>Z_STREAM_END</tt> is also ok and will be returned for the last call of
-<tt>deflate()</tt>. This is already guaranteed by calling <tt>deflate()</tt> with <tt>Z_FINISH</tt>
-until it has no more output. <tt>Z_STREAM_ERROR</tt> is only possible if the stream is not
-initialized properly, but we did initialize it properly. There is no harm in checking for
-<tt>Z_STREAM_ERROR</tt> here, for example to check for the possibility that some
-other part of the application inadvertently clobbered the memory containing the <em>zlib</em> state.
-<tt>Z_BUF_ERROR</tt> will be explained further below, but
-suffice it to say that this is simply an indication that <tt>deflate()</tt> could not consume
-more input or produce more output. <tt>deflate()</tt> can be called again with more output space
-or more available input, which it will be in this code.
-<pre><b>
- ret = deflate(&strm, flush); /* no bad return value */
- assert(ret != Z_STREAM_ERROR); /* state not clobbered */
-</b></pre>
-Now we compute how much output <tt>deflate()</tt> provided on the last call, which is the
-difference between how much space was provided before the call, and how much output space
-is still available after the call. Then that data, if any, is written to the output file.
-We can then reuse the output buffer for the next call of <tt>deflate()</tt>. Again if there
-is a file i/o error, we call <tt>deflateEnd()</tt> before returning to avoid a memory leak.
-<pre><b>
- have = CHUNK - strm.avail_out;
- if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
- (void)deflateEnd(&strm);
- return Z_ERRNO;
- }
-</b></pre>
-The inner <tt>do</tt>-loop is repeated until the last <tt>deflate()</tt> call fails to fill the
-provided output buffer. Then we know that <tt>deflate()</tt> has done as much as it can with
-the provided input, and that all of that input has been consumed. We can then fall out of this
-loop and reuse the input buffer.
-<p>
-The way we tell that <tt>deflate()</tt> has no more output is by seeing that it did not fill
-the output buffer, leaving <tt>avail_out</tt> greater than zero. However suppose that
-<tt>deflate()</tt> has no more output, but just so happened to exactly fill the output buffer!
-<tt>avail_out</tt> is zero, and we can't tell that <tt>deflate()</tt> has done all it can.
-As far as we know, <tt>deflate()</tt>
-has more output for us. So we call it again. But now <tt>deflate()</tt> produces no output
-at all, and <tt>avail_out</tt> remains unchanged as <tt>CHUNK</tt>. That <tt>deflate()</tt> call
-wasn't able to do anything, either consume input or produce output, and so it returns
-<tt>Z_BUF_ERROR</tt>. (See, I told you I'd cover this later.) However this is not a problem at
-all. Now we finally have the desired indication that <tt>deflate()</tt> is really done,
-and so we drop out of the inner loop to provide more input to <tt>deflate()</tt>.
-<p>
-With <tt>flush</tt> set to <tt>Z_FINISH</tt>, this final set of <tt>deflate()</tt> calls will
-complete the output stream. Once that is done, subsequent calls of <tt>deflate()</tt> would return
-<tt>Z_STREAM_ERROR</tt> if the flush parameter is not <tt>Z_FINISH</tt>, and do no more processing
-until the state is reinitialized.
-<p>
-Some applications of <em>zlib</em> have two loops that call <tt>deflate()</tt>
-instead of the single inner loop we have here. The first loop would call
-without flushing and feed all of the data to <tt>deflate()</tt>. The second loop would call
-<tt>deflate()</tt> with no more
-data and the <tt>Z_FINISH</tt> parameter to complete the process. As you can see from this
-example, that can be avoided by simply keeping track of the current flush state.
-<pre><b>
- } while (strm.avail_out == 0);
- assert(strm.avail_in == 0); /* all input will be used */
-</b></pre><!-- -->
-Now we check to see if we have already processed all of the input file. That information was
-saved in the <tt>flush</tt> variable, so we see if that was set to <tt>Z_FINISH</tt>. If so,
-then we're done and we fall out of the outer loop. We're guaranteed to get <tt>Z_STREAM_END</tt>
-from the last <tt>deflate()</tt> call, since we ran it until the last chunk of input was
-consumed and all of the output was generated.
-<pre><b>
- /* done when last data in file processed */
- } while (flush != Z_FINISH);
- assert(ret == Z_STREAM_END); /* stream will be complete */
-</b></pre><!-- -->
-The process is complete, but we still need to deallocate the state to avoid a memory leak
-(or rather more like a memory hemorrhage if you didn't do this). Then
-finally we can return with a happy return value.
-<pre><b>
- /* clean up and return */
- (void)deflateEnd(&strm);
- return Z_OK;
-}
-</b></pre><!-- -->
-Now we do the same thing for decompression in the <tt>inf()</tt> routine. <tt>inf()</tt>
-decompresses what is hopefully a valid <em>zlib</em> stream from the input file and writes the
-uncompressed data to the output file. Much of the discussion above for <tt>def()</tt>
-applies to <tt>inf()</tt> as well, so the discussion here will focus on the differences between
-the two.
-<pre><b>
-/* Decompress from file source to file dest until stream ends or EOF.
- inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
- allocated for processing, Z_DATA_ERROR if the deflate data is
- invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
- the version of the library linked do not match, or Z_ERRNO if there
- is an error reading or writing the files. */
-int inf(FILE *source, FILE *dest)
-{
-</b></pre>
-The local variables have the same functionality as they do for <tt>def()</tt>. The
-only difference is that there is no <tt>flush</tt> variable, since <tt>inflate()</tt>
-can tell from the <em>zlib</em> stream itself when the stream is complete.
-<pre><b>
- int ret;
- unsigned have;
- z_stream strm;
- char in[CHUNK];
- char out[CHUNK];
-</b></pre><!-- -->
-The initialization of the state is the same, except that there is no compression level,
-of course, and two more elements of the structure are initialized. <tt>avail_in</tt>
-and <tt>next_in</tt> must be initialized before calling <tt>inflateInit()</tt>. This
-is because the application has the option to provide the start of the zlib stream in
-order for <tt>inflateInit()</tt> to have access to information about the compression
-method to aid in memory allocation. In the current implementation of <em>zlib</em>
-(up through versions 1.2.x), the method-dependent memory allocations are deferred to the first call of
-<tt>inflate()</tt> anyway. However those fields must be initialized since later versions
-of <em>zlib</em> that provide more compression methods may take advantage of this interface.
-In any case, no decompression is performed by <tt>inflateInit()</tt>, so the
-<tt>avail_out</tt> and <tt>next_out</tt> fields do not need to be initialized before calling.
-<p>
-Here <tt>avail_in</tt> is set to zero and <tt>next_in</tt> is set to <tt>Z_NULL</tt> to
-indicate that no input data is being provided.
-<pre><b>
- /* allocate inflate state */
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = 0;
- strm.next_in = Z_NULL;
- ret = inflateInit(&strm);
- if (ret != Z_OK)
- return ret;
-</b></pre><!-- -->
-The outer <tt>do</tt>-loop decompresses input until <tt>inflate()</tt> indicates
-that it has reached the end of the compressed data and has produced all of the uncompressed
-output. This is in contrast to <tt>def()</tt> which processes all of the input file.
-If end-of-file is reached before the compressed data self-terminates, then the compressed
-data is incomplete and an error is returned.
-<pre><b>
- /* decompress until deflate stream ends or end of file */
- do {
-</b></pre>
-We read input data and set the <tt>strm</tt> structure accordingly. If we've reached the
-end of the input file, then we leave the outer loop and report an error, since the
-compressed data is incomplete. Note that we may read more data than is eventually consumed
-by <tt>inflate()</tt>, if the input file continues past the <em>zlib</em> stream.
-For applications where <em>zlib</em> streams are embedded in other data, this routine would
-need to be modified to return the unused data, or at least indicate how much of the input
-data was not used, so the application would know where to pick up after the <em>zlib</em> stream.
-<pre><b>
- strm.avail_in = fread(in, 1, CHUNK, source);
- if (ferror(source)) {
- (void)inflateEnd(&strm);
- return Z_ERRNO;
- }
- if (strm.avail_in == 0)
- break;
- strm.next_in = in;
-</b></pre><!-- -->
-The inner <tt>do</tt>-loop has the same function it did in <tt>def()</tt>, which is to
-keep calling <tt>inflate()</tt> until has generated all of the output it can with the
-provided input.
-<pre><b>
- /* run inflate() on input until output buffer not full */
- do {
-</b></pre>
-Just like in <tt>def()</tt>, the same output space is provided for each call of <tt>inflate()</tt>.
-<pre><b>
- strm.avail_out = CHUNK;
- strm.next_out = out;
-</b></pre>
-Now we run the decompression engine itself. There is no need to adjust the flush parameter, since
-the <em>zlib</em> format is self-terminating. The main difference here is that there are
-return values that we need to pay attention to. <tt>Z_DATA_ERROR</tt>
-indicates that <tt>inflate()</tt> detected an error in the <em>zlib</em> compressed data format,
-which means that either the data is not a <em>zlib</em> stream to begin with, or that the data was
-corrupted somewhere along the way since it was compressed. The other error to be processed is
-<tt>Z_MEM_ERROR</tt>, which can occur since memory allocation is deferred until <tt>inflate()</tt>
-needs it, unlike <tt>deflate()</tt>, whose memory is allocated at the start by <tt>deflateInit()</tt>.
-<p>
-Advanced applications may use
-<tt>deflateSetDictionary()</tt> to prime <tt>deflate()</tt> with a set of likely data to improve the
-first 32K or so of compression. This is noted in the <em>zlib</em> header, so <tt>inflate()</tt>
-requests that that dictionary be provided before it can start to decompress. Without the dictionary,
-correct decompression is not possible. For this routine, we have no idea what the dictionary is,
-so the <tt>Z_NEED_DICT</tt> indication is converted to a <tt>Z_DATA_ERROR</tt>.
-<p>
-<tt>inflate()</tt> can also return <tt>Z_STREAM_ERROR</tt>, which should not be possible here,
-but could be checked for as noted above for <tt>def()</tt>. <tt>Z_BUF_ERROR</tt> does not need to be
-checked for here, for the same reasons noted for <tt>def()</tt>. <tt>Z_STREAM_END</tt> will be
-checked for later.
-<pre><b>
- ret = inflate(&strm, Z_NO_FLUSH);
- assert(ret != Z_STREAM_ERROR); /* state not clobbered */
- switch (ret) {
- case Z_NEED_DICT:
- ret = Z_DATA_ERROR; /* and fall through */
- case Z_DATA_ERROR:
- case Z_MEM_ERROR:
- (void)inflateEnd(&strm);
- return ret;
- }
-</b></pre>
-The output of <tt>inflate()</tt> is handled identically to that of <tt>deflate()</tt>.
-<pre><b>
- have = CHUNK - strm.avail_out;
- if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
- (void)inflateEnd(&strm);
- return Z_ERRNO;
- }
-</b></pre>
-The inner <tt>do</tt>-loop ends when <tt>inflate()</tt> has no more output as indicated
-by not filling the output buffer, just as for <tt>deflate()</tt>. In this case, we cannot
-assert that <tt>strm.avail_in</tt> will be zero, since the deflate stream may end before the file
-does.
-<pre><b>
- } while (strm.avail_out == 0);
-</b></pre><!-- -->
-The outer <tt>do</tt>-loop ends when <tt>inflate()</tt> reports that it has reached the
-end of the input <em>zlib</em> stream, has completed the decompression and integrity
-check, and has provided all of the output. This is indicated by the <tt>inflate()</tt>
-return value <tt>Z_STREAM_END</tt>. The inner loop is guaranteed to leave <tt>ret</tt>
-equal to <tt>Z_STREAM_END</tt> if the last chunk of the input file read contained the end
-of the <em>zlib</em> stream. So if the return value is not <tt>Z_STREAM_END</tt>, the
-loop continues to read more input.
-<pre><b>
- /* done when inflate() says it's done */
- } while (ret != Z_STREAM_END);
-</b></pre><!-- -->
-At this point, decompression successfully completed, or we broke out of the loop due to no
-more data being available from the input file. If the last <tt>inflate()</tt> return value
-is not <tt>Z_STREAM_END</tt>, then the <em>zlib</em> stream was incomplete and a data error
-is returned. Otherwise, we return with a happy return value. Of course, <tt>inflateEnd()</tt>
-is called first to avoid a memory leak.
-<pre><b>
- /* clean up and return */
- (void)inflateEnd(&strm);
- return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR;
-}
-</b></pre><!-- -->
-That ends the routines that directly use <em>zlib</em>. The following routines make this
-a command-line program by running data through the above routines from <tt>stdin</tt> to
-<tt>stdout</tt>, and handling any errors reported by <tt>def()</tt> or <tt>inf()</tt>.
-<p>
-<tt>zerr()</tt> is used to interpret the possible error codes from <tt>def()</tt>
-and <tt>inf()</tt>, as detailed in their comments above, and print out an error message.
-Note that these are only a subset of the possible return values from <tt>deflate()</tt>
-and <tt>inflate()</tt>.
-<pre><b>
-/* report a zlib or i/o error */
-void zerr(int ret)
-{
- fputs("zpipe: ", stderr);
- switch (ret) {
- case Z_ERRNO:
- if (ferror(stdin))
- fputs("error reading stdin\n", stderr);
- if (ferror(stdout))
- fputs("error writing stdout\n", stderr);
- break;
- case Z_STREAM_ERROR:
- fputs("invalid compression level\n", stderr);
- break;
- case Z_DATA_ERROR:
- fputs("invalid or incomplete deflate data\n", stderr);
- break;
- case Z_MEM_ERROR:
- fputs("out of memory\n", stderr);
- break;
- case Z_VERSION_ERROR:
- fputs("zlib version mismatch!\n", stderr);
- }
-}
-</b></pre><!-- -->
-Here is the <tt>main()</tt> routine used to test <tt>def()</tt> and <tt>inf()</tt>. The
-<tt>zpipe</tt> command is simply a compression pipe from <tt>stdin</tt> to <tt>stdout</tt>, if
-no arguments are given, or it is a decompression pipe if <tt>zpipe -d</tt> is used. If any other
-arguments are provided, no compression or decompression is performed. Instead a usage
-message is displayed. Examples are <tt>zpipe < foo.txt > foo.txt.z</tt> to compress, and
-<tt>zpipe -d < foo.txt.z > foo.txt</tt> to decompress.
-<pre><b>
-/* compress or decompress from stdin to stdout */
-int main(int argc, char **argv)
-{
- int ret;
-
- /* do compression if no arguments */
- if (argc == 1) {
- ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION);
- if (ret != Z_OK)
- zerr(ret);
- return ret;
- }
-
- /* do decompression if -d specified */
- else if (argc == 2 && strcmp(argv[1], "-d") == 0) {
- ret = inf(stdin, stdout);
- if (ret != Z_OK)
- zerr(ret);
- return ret;
- }
-
- /* otherwise, report usage */
- else {
- fputs("zpipe usage: zpipe [-d] < source > dest\n", stderr);
- return 1;
- }
-}
-</b></pre>
-<hr>
-<i>Copyright (c) 2004 by Mark Adler<br>Last modified 13 November 2004</i>
-</body>
-</html>
+++ /dev/null
-/* zpipe.c: example of proper use of zlib's inflate() and deflate()
- Not copyrighted -- provided to the public domain
- Version 1.2 9 November 2004 Mark Adler */
-
-/* Version history:
- 1.0 30 Oct 2004 First version
- 1.1 8 Nov 2004 Add void casting for unused return values
- Use switch statement for inflate() return values
- 1.2 9 Nov 2004 Add assertions to document zlib guarantees
- 1.3 6 Apr 2005 Remove incorrect assertion in inf()
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include "zlib.h"
-
-#define CHUNK 16384
-
-/* Compress from file source to file dest until EOF on source.
- def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
- allocated for processing, Z_STREAM_ERROR if an invalid compression
- level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
- version of the library linked do not match, or Z_ERRNO if there is
- an error reading or writing the files. */
-int def(FILE *source, FILE *dest, int level)
-{
- int ret, flush;
- unsigned have;
- z_stream strm;
- char in[CHUNK];
- char out[CHUNK];
-
- /* allocate deflate state */
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- ret = deflateInit(&strm, level);
- if (ret != Z_OK)
- return ret;
-
- /* compress until end of file */
- do {
- strm.avail_in = fread(in, 1, CHUNK, source);
- if (ferror(source)) {
- (void)deflateEnd(&strm);
- return Z_ERRNO;
- }
- flush = feof(source) ? Z_FINISH : Z_NO_FLUSH;
- strm.next_in = in;
-
- /* run deflate() on input until output buffer not full, finish
- compression if all of source has been read in */
- do {
- strm.avail_out = CHUNK;
- strm.next_out = out;
- ret = deflate(&strm, flush); /* no bad return value */
- assert(ret != Z_STREAM_ERROR); /* state not clobbered */
- have = CHUNK - strm.avail_out;
- if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
- (void)deflateEnd(&strm);
- return Z_ERRNO;
- }
- } while (strm.avail_out == 0);
- assert(strm.avail_in == 0); /* all input will be used */
-
- /* done when last data in file processed */
- } while (flush != Z_FINISH);
- assert(ret == Z_STREAM_END); /* stream will be complete */
-
- /* clean up and return */
- (void)deflateEnd(&strm);
- return Z_OK;
-}
-
-/* Decompress from file source to file dest until stream ends or EOF.
- inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
- allocated for processing, Z_DATA_ERROR if the deflate data is
- invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
- the version of the library linked do not match, or Z_ERRNO if there
- is an error reading or writing the files. */
-int inf(FILE *source, FILE *dest)
-{
- int ret;
- unsigned have;
- z_stream strm;
- char in[CHUNK];
- char out[CHUNK];
-
- /* allocate inflate state */
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = 0;
- strm.next_in = Z_NULL;
- ret = inflateInit(&strm);
- if (ret != Z_OK)
- return ret;
-
- /* decompress until deflate stream ends or end of file */
- do {
- strm.avail_in = fread(in, 1, CHUNK, source);
- if (ferror(source)) {
- (void)inflateEnd(&strm);
- return Z_ERRNO;
- }
- if (strm.avail_in == 0)
- break;
- strm.next_in = in;
-
- /* run inflate() on input until output buffer not full */
- do {
- strm.avail_out = CHUNK;
- strm.next_out = out;
- ret = inflate(&strm, Z_NO_FLUSH);
- assert(ret != Z_STREAM_ERROR); /* state not clobbered */
- switch (ret) {
- case Z_NEED_DICT:
- ret = Z_DATA_ERROR; /* and fall through */
- case Z_DATA_ERROR:
- case Z_MEM_ERROR:
- (void)inflateEnd(&strm);
- return ret;
- }
- have = CHUNK - strm.avail_out;
- if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
- (void)inflateEnd(&strm);
- return Z_ERRNO;
- }
- } while (strm.avail_out == 0);
-
- /* done when inflate() says it's done */
- } while (ret != Z_STREAM_END);
-
- /* clean up and return */
- (void)inflateEnd(&strm);
- return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR;
-}
-
-/* report a zlib or i/o error */
-void zerr(int ret)
-{
- fputs("zpipe: ", stderr);
- switch (ret) {
- case Z_ERRNO:
- if (ferror(stdin))
- fputs("error reading stdin\n", stderr);
- if (ferror(stdout))
- fputs("error writing stdout\n", stderr);
- break;
- case Z_STREAM_ERROR:
- fputs("invalid compression level\n", stderr);
- break;
- case Z_DATA_ERROR:
- fputs("invalid or incomplete deflate data\n", stderr);
- break;
- case Z_MEM_ERROR:
- fputs("out of memory\n", stderr);
- break;
- case Z_VERSION_ERROR:
- fputs("zlib version mismatch!\n", stderr);
- }
-}
-
-/* compress or decompress from stdin to stdout */
-int main(int argc, char **argv)
-{
- int ret;
-
- /* do compression if no arguments */
- if (argc == 1) {
- ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION);
- if (ret != Z_OK)
- zerr(ret);
- return ret;
- }
-
- /* do decompression if -d specified */
- else if (argc == 2 && strcmp(argv[1], "-d") == 0) {
- ret = inf(stdin, stdout);
- if (ret != Z_OK)
- zerr(ret);
- return ret;
- }
-
- /* otherwise, report usage */
- else {
- fputs("zpipe usage: zpipe [-d] < source > dest\n", stderr);
- return 1;
- }
-}
+++ /dev/null
-/* zran.c -- example of zlib/gzip stream indexing and random access
- * Copyright (C) 2005 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- Version 1.0 29 May 2005 Mark Adler */
-
-/* Illustrate the use of Z_BLOCK, inflatePrime(), and inflateSetDictionary()
- for random access of a compressed file. A file containing a zlib or gzip
- stream is provided on the command line. The compressed stream is decoded in
- its entirety, and an index built with access points about every SPAN bytes
- in the uncompressed output. The compressed file is left open, and can then
- be read randomly, having to decompress on the average SPAN/2 uncompressed
- bytes before getting to the desired block of data.
-
- An access point can be created at the start of any deflate block, by saving
- the starting file offset and bit of that block, and the 32K bytes of
- uncompressed data that precede that block. Also the uncompressed offset of
- that block is saved to provide a referece for locating a desired starting
- point in the uncompressed stream. build_index() works by decompressing the
- input zlib or gzip stream a block at a time, and at the end of each block
- deciding if enough uncompressed data has gone by to justify the creation of
- a new access point. If so, that point is saved in a data structure that
- grows as needed to accommodate the points.
-
- To use the index, an offset in the uncompressed data is provided, for which
- the latest accees point at or preceding that offset is located in the index.
- The input file is positioned to the specified location in the index, and if
- necessary the first few bits of the compressed data is read from the file.
- inflate is initialized with those bits and the 32K of uncompressed data, and
- the decompression then proceeds until the desired offset in the file is
- reached. Then the decompression continues to read the desired uncompressed
- data from the file.
-
- Another approach would be to generate the index on demand. In that case,
- requests for random access reads from the compressed data would try to use
- the index, but if a read far enough past the end of the index is required,
- then further index entries would be generated and added.
-
- There is some fair bit of overhead to starting inflation for the random
- access, mainly copying the 32K byte dictionary. So if small pieces of the
- file are being accessed, it would make sense to implement a cache to hold
- some lookahead and avoid many calls to extract() for small lengths.
-
- Another way to build an index would be to use inflateCopy(). That would
- not be constrained to have access points at block boundaries, but requires
- more memory per access point, and also cannot be saved to file due to the
- use of pointers in the state. The approach here allows for storage of the
- index in a file.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "zlib.h"
-
-#define local static
-
-#define SPAN 1048576L /* desired distance between access points */
-#define WINSIZE 32768U /* sliding window size */
-#define CHUNK 16384 /* file input buffer size */
-
-/* access point entry */
-struct point {
- off_t out; /* corresponding offset in uncompressed data */
- off_t in; /* offset in input file of first full byte */
- int bits; /* number of bits (1-7) from byte at in - 1, or 0 */
- unsigned char window[WINSIZE]; /* preceding 32K of uncompressed data */
-};
-
-/* access point list */
-struct access {
- int have; /* number of list entries filled in */
- int size; /* number of list entries allocated */
- struct point *list; /* allocated list */
-};
-
-/* Deallocate an index built by build_index() */
-local void free_index(struct access *index)
-{
- if (index != NULL) {
- free(index->list);
- free(index);
- }
-}
-
-/* Add an entry to the access point list. If out of memory, deallocate the
- existing list and return NULL. */
-local struct access *addpoint(struct access *index, int bits,
- off_t in, off_t out, unsigned left, unsigned char *window)
-{
- struct point *next;
-
- /* if list is empty, create it (start with eight points) */
- if (index == NULL) {
- index = malloc(sizeof(struct access));
- if (index == NULL) return NULL;
- index->list = malloc(sizeof(struct point) << 3);
- if (index->list == NULL) {
- free(index);
- return NULL;
- }
- index->size = 8;
- index->have = 0;
- }
-
- /* if list is full, make it bigger */
- else if (index->have == index->size) {
- index->size <<= 1;
- next = realloc(index->list, sizeof(struct point) * index->size);
- if (next == NULL) {
- free_index(index);
- return NULL;
- }
- index->list = next;
- }
-
- /* fill in entry and increment how many we have */
- next = index->list + index->have;
- next->bits = bits;
- next->in = in;
- next->out = out;
- if (left)
- memcpy(next->window, window + WINSIZE - left, left);
- if (left < WINSIZE)
- memcpy(next->window + left, window, WINSIZE - left);
- index->have++;
-
- /* return list, possibly reallocated */
- return index;
-}
-
-/* Make one entire pass through the compressed stream and build an index, with
- access points about every span bytes of uncompressed output -- span is
- chosen to balance the speed of random access against the memory requirements
- of the list, about 32K bytes per access point. Note that data after the end
- of the first zlib or gzip stream in the file is ignored. build_index()
- returns the number of access points on success (>= 1), Z_MEM_ERROR for out
- of memory, Z_DATA_ERROR for an error in the input file, or Z_ERRNO for a
- file read error. On success, *built points to the resulting index. */
-local int build_index(FILE *in, off_t span, struct access **built)
-{
- int ret;
- off_t totin, totout; /* our own total counters to avoid 4GB limit */
- off_t last; /* totout value of last access point */
- struct access *index; /* access points being generated */
- z_stream strm;
- unsigned char input[CHUNK];
- unsigned char window[WINSIZE];
-
- /* initialize inflate */
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = 0;
- strm.next_in = Z_NULL;
- ret = inflateInit2(&strm, 47); /* automatic zlib or gzip decoding */
- if (ret != Z_OK)
- return ret;
-
- /* inflate the input, maintain a sliding window, and build an index -- this
- also validates the integrity of the compressed data using the check
- information at the end of the gzip or zlib stream */
- totin = totout = last = 0;
- index = NULL; /* will be allocated by first addpoint() */
- strm.avail_out = 0;
- do {
- /* get some compressed data from input file */
- strm.avail_in = fread(input, 1, CHUNK, in);
- if (ferror(in)) {
- ret = Z_ERRNO;
- goto build_index_error;
- }
- if (strm.avail_in == 0) {
- ret = Z_DATA_ERROR;
- goto build_index_error;
- }
- strm.next_in = input;
-
- /* process all of that, or until end of stream */
- do {
- /* reset sliding window if necessary */
- if (strm.avail_out == 0) {
- strm.avail_out = WINSIZE;
- strm.next_out = window;
- }
-
- /* inflate until out of input, output, or at end of block --
- update the total input and output counters */
- totin += strm.avail_in;
- totout += strm.avail_out;
- ret = inflate(&strm, Z_BLOCK); /* return at end of block */
- totin -= strm.avail_in;
- totout -= strm.avail_out;
- if (ret == Z_NEED_DICT)
- ret = Z_DATA_ERROR;
- if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR)
- goto build_index_error;
- if (ret == Z_STREAM_END)
- break;
-
- /* if at end of block, consider adding an index entry (note that if
- data_type indicates an end-of-block, then all of the
- uncompressed data from that block has been delivered, and none
- of the compressed data after that block has been consumed,
- except for up to seven bits) -- the totout == 0 provides an
- entry point after the zlib or gzip header, and assures that the
- index always has at least one access point; we avoid creating an
- access point after the last block by checking bit 6 of data_type
- */
- if ((strm.data_type & 128) && !(strm.data_type & 64) &&
- (totout == 0 || totout - last > span)) {
- index = addpoint(index, strm.data_type & 7, totin,
- totout, strm.avail_out, window);
- if (index == NULL) {
- ret = Z_MEM_ERROR;
- goto build_index_error;
- }
- last = totout;
- }
- } while (strm.avail_in != 0);
- } while (ret != Z_STREAM_END);
-
- /* clean up and return index (release unused entries in list) */
- (void)inflateEnd(&strm);
- index = realloc(index, sizeof(struct point) * index->have);
- index->size = index->have;
- *built = index;
- return index->size;
-
- /* return error */
- build_index_error:
- (void)inflateEnd(&strm);
- if (index != NULL)
- free_index(index);
- return ret;
-}
-
-/* Use the index to read len bytes from offset into buf, return bytes read or
- negative for error (Z_DATA_ERROR or Z_MEM_ERROR). If data is requested past
- the end of the uncompressed data, then extract() will return a value less
- than len, indicating how much as actually read into buf. This function
- should not return a data error unless the file was modified since the index
- was generated. extract() may also return Z_ERRNO if there is an error on
- reading or seeking the input file. */
-local int extract(FILE *in, struct access *index, off_t offset,
- unsigned char *buf, int len)
-{
- int ret, skip;
- z_stream strm;
- struct point *here;
- unsigned char input[CHUNK];
- unsigned char discard[WINSIZE];
-
- /* proceed only if something reasonable to do */
- if (len < 0)
- return 0;
-
- /* find where in stream to start */
- here = index->list;
- ret = index->have;
- while (--ret && here[1].out <= offset)
- here++;
-
- /* initialize file and inflate state to start there */
- strm.zalloc = Z_NULL;
- strm.zfree = Z_NULL;
- strm.opaque = Z_NULL;
- strm.avail_in = 0;
- strm.next_in = Z_NULL;
- ret = inflateInit2(&strm, -15); /* raw inflate */
- if (ret != Z_OK)
- return ret;
- ret = fseeko(in, here->in - (here->bits ? 1 : 0), SEEK_SET);
- if (ret == -1)
- goto extract_ret;
- if (here->bits) {
- ret = getc(in);
- if (ret == -1) {
- ret = ferror(in) ? Z_ERRNO : Z_DATA_ERROR;
- goto extract_ret;
- }
- (void)inflatePrime(&strm, here->bits, ret >> (8 - here->bits));
- }
- (void)inflateSetDictionary(&strm, here->window, WINSIZE);
-
- /* skip uncompressed bytes until offset reached, then satisfy request */
- offset -= here->out;
- strm.avail_in = 0;
- skip = 1; /* while skipping to offset */
- do {
- /* define where to put uncompressed data, and how much */
- if (offset == 0 && skip) { /* at offset now */
- strm.avail_out = len;
- strm.next_out = buf;
- skip = 0; /* only do this once */
- }
- if (offset > WINSIZE) { /* skip WINSIZE bytes */
- strm.avail_out = WINSIZE;
- strm.next_out = discard;
- offset -= WINSIZE;
- }
- else if (offset != 0) { /* last skip */
- strm.avail_out = (unsigned)offset;
- strm.next_out = discard;
- offset = 0;
- }
-
- /* uncompress until avail_out filled, or end of stream */
- do {
- if (strm.avail_in == 0) {
- strm.avail_in = fread(input, 1, CHUNK, in);
- if (ferror(in)) {
- ret = Z_ERRNO;
- goto extract_ret;
- }
- if (strm.avail_in == 0) {
- ret = Z_DATA_ERROR;
- goto extract_ret;
- }
- strm.next_in = input;
- }
- ret = inflate(&strm, Z_NO_FLUSH); /* normal inflate */
- if (ret == Z_NEED_DICT)
- ret = Z_DATA_ERROR;
- if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR)
- goto extract_ret;
- if (ret == Z_STREAM_END)
- break;
- } while (strm.avail_out != 0);
-
- /* if reach end of stream, then don't keep trying to get more */
- if (ret == Z_STREAM_END)
- break;
-
- /* do until offset reached and requested data read, or stream ends */
- } while (skip);
-
- /* compute number of uncompressed bytes read after offset */
- ret = skip ? 0 : len - strm.avail_out;
-
- /* clean up and return bytes read or error */
- extract_ret:
- (void)inflateEnd(&strm);
- return ret;
-}
-
-/* Demonstrate the use of build_index() and extract() by processing the file
- provided on the command line, and the extracting 16K from about 2/3rds of
- the way through the uncompressed output, and writing that to stdout. */
-int main(int argc, char **argv)
-{
- int len;
- off_t offset;
- FILE *in;
- struct access *index;
- unsigned char buf[CHUNK];
-
- /* open input file */
- if (argc != 2) {
- fprintf(stderr, "usage: zran file.gz\n");
- return 1;
- }
- in = fopen(argv[1], "rb");
- if (in == NULL) {
- fprintf(stderr, "zran: could not open %s for reading\n", argv[1]);
- return 1;
- }
-
- /* build index */
- len = build_index(in, SPAN, &index);
- if (len < 0) {
- fclose(in);
- switch (len) {
- case Z_MEM_ERROR:
- fprintf(stderr, "zran: out of memory\n");
- break;
- case Z_DATA_ERROR:
- fprintf(stderr, "zran: compressed data error in %s\n", argv[1]);
- break;
- case Z_ERRNO:
- fprintf(stderr, "zran: read error on %s\n", argv[1]);
- break;
- default:
- fprintf(stderr, "zran: error %d while building index\n", len);
- }
- return 1;
- }
- fprintf(stderr, "zran: built index with %d access points\n", len);
-
- /* use index by reading some bytes from an arbitrary offset */
- offset = (index->list[index->have - 1].out << 1) / 3;
- len = extract(in, index, offset, buf, CHUNK);
- if (len < 0)
- fprintf(stderr, "zran: extraction failed: %s error\n",
- len == Z_MEM_ERROR ? "out of memory" : "input corrupted");
- else {
- fwrite(buf, 1, len, stdout);
- fprintf(stderr, "zran: extracted %d bytes at %llu\n", len, offset);
- }
-
- /* clean up and exit */
- free_index(index);
- fclose(in);
- return 0;
-}
+++ /dev/null
-/* gzio.c -- IO on .gz files
- * Copyright (C) 1995-2005 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- *
- * Compile this file with -DNO_GZCOMPRESS to avoid the compression code.
- */
-
-/* @(#) $Id$ */
-
-#include <stdio.h>
-
-#include "zutil.h"
-
-#ifdef NO_DEFLATE /* for compatibility with old definition */
-# define NO_GZCOMPRESS
-#endif
-
-#ifndef NO_DUMMY_DECL
-struct internal_state {int dummy;}; /* for buggy compilers */
-#endif
-
-#ifndef Z_BUFSIZE
-# ifdef MAXSEG_64K
-# define Z_BUFSIZE 4096 /* minimize memory usage for 16-bit DOS */
-# else
-# define Z_BUFSIZE 16384
-# endif
-#endif
-#ifndef Z_PRINTF_BUFSIZE
-# define Z_PRINTF_BUFSIZE 4096
-#endif
-
-#ifdef __MVS__
-# pragma map (fdopen , "\174\174FDOPEN")
- FILE *fdopen(int, const char *);
-#endif
-
-#ifndef STDC
-extern voidp malloc OF((uInt size));
-extern void free OF((voidpf ptr));
-#endif
-
-#define ALLOC(size) malloc(size)
-#define TRYFREE(p) {if (p) free(p);}
-
-static int const gz_magic[2] = {0x1f, 0x8b}; /* gzip magic header */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
-#define HEAD_CRC 0x02 /* bit 1 set: header CRC present */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define RESERVED 0xE0 /* bits 5..7: reserved */
-
-typedef struct gz_stream {
- z_stream stream;
- int z_err; /* error code for last stream operation */
- int z_eof; /* set if end of input file */
- FILE *file; /* .gz file */
- Byte *inbuf; /* input buffer */
- Byte *outbuf; /* output buffer */
- uLong crc; /* crc32 of uncompressed data */
- char *msg; /* error message */
- char *path; /* path name for debugging only */
- int transparent; /* 1 if input file is not a .gz file */
- char mode; /* 'w' or 'r' */
- z_off_t start; /* start of compressed data in file (header skipped) */
- z_off_t in; /* bytes into deflate or inflate */
- z_off_t out; /* bytes out of deflate or inflate */
- int back; /* one character push-back */
- int last; /* true if push-back is last character */
-} gz_stream;
-
-
-local gzFile gz_open OF((const char *path, const char *mode, int fd));
-local int do_flush OF((gzFile file, int flush));
-local int get_byte OF((gz_stream *s));
-local void check_header OF((gz_stream *s));
-local int destroy OF((gz_stream *s));
-local void putLong OF((FILE *file, uLong x));
-local uLong getLong OF((gz_stream *s));
-
-/* ===========================================================================
- Opens a gzip (.gz) file for reading or writing. The mode parameter
- is as in fopen ("rb" or "wb"). The file is given either by file descriptor
- or path name (if fd == -1).
- gz_open returns NULL if the file could not be opened or if there was
- insufficient memory to allocate the (de)compression state; errno
- can be checked to distinguish the two cases (if errno is zero, the
- zlib error is Z_MEM_ERROR).
-*/
-local gzFile gz_open (path, mode, fd)
- const char *path;
- const char *mode;
- int fd;
-{
- int err;
- int level = Z_DEFAULT_COMPRESSION; /* compression level */
- int strategy = Z_DEFAULT_STRATEGY; /* compression strategy */
- char *p = (char*)mode;
- gz_stream *s;
- char fmode[80]; /* copy of mode, without the compression level */
- char *m = fmode;
-
- if (!path || !mode) return Z_NULL;
-
- s = (gz_stream *)ALLOC(sizeof(gz_stream));
- if (!s) return Z_NULL;
-
- s->stream.zalloc = (alloc_func)0;
- s->stream.zfree = (free_func)0;
- s->stream.opaque = (voidpf)0;
- s->stream.next_in = s->inbuf = Z_NULL;
- s->stream.next_out = s->outbuf = Z_NULL;
- s->stream.avail_in = s->stream.avail_out = 0;
- s->file = NULL;
- s->z_err = Z_OK;
- s->z_eof = 0;
- s->in = 0;
- s->out = 0;
- s->back = EOF;
- s->crc = crc32(0L, Z_NULL, 0);
- s->msg = NULL;
- s->transparent = 0;
-
- s->path = (char*)ALLOC(strlen(path)+1);
- if (s->path == NULL) {
- return destroy(s), (gzFile)Z_NULL;
- }
- strcpy(s->path, path); /* do this early for debugging */
-
- s->mode = '\0';
- do {
- if (*p == 'r') s->mode = 'r';
- if (*p == 'w' || *p == 'a') s->mode = 'w';
- if (*p >= '0' && *p <= '9') {
- level = *p - '0';
- } else if (*p == 'f') {
- strategy = Z_FILTERED;
- } else if (*p == 'h') {
- strategy = Z_HUFFMAN_ONLY;
- } else if (*p == 'R') {
- strategy = Z_RLE;
- } else {
- *m++ = *p; /* copy the mode */
- }
- } while (*p++ && m != fmode + sizeof(fmode));
- if (s->mode == '\0') return destroy(s), (gzFile)Z_NULL;
-
- if (s->mode == 'w') {
-#ifdef NO_GZCOMPRESS
- err = Z_STREAM_ERROR;
-#else
- err = deflateInit2(&(s->stream), level,
- Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, strategy);
- /* windowBits is passed < 0 to suppress zlib header */
-
- s->stream.next_out = s->outbuf = (Byte*)ALLOC(Z_BUFSIZE);
-#endif
- if (err != Z_OK || s->outbuf == Z_NULL) {
- return destroy(s), (gzFile)Z_NULL;
- }
- } else {
- s->stream.next_in = s->inbuf = (Byte*)ALLOC(Z_BUFSIZE);
-
- err = inflateInit2(&(s->stream), -MAX_WBITS);
- /* windowBits is passed < 0 to tell that there is no zlib header.
- * Note that in this case inflate *requires* an extra "dummy" byte
- * after the compressed stream in order to complete decompression and
- * return Z_STREAM_END. Here the gzip CRC32 ensures that 4 bytes are
- * present after the compressed stream.
- */
- if (err != Z_OK || s->inbuf == Z_NULL) {
- return destroy(s), (gzFile)Z_NULL;
- }
- }
- s->stream.avail_out = Z_BUFSIZE;
-
- errno = 0;
- s->file = fd < 0 ? F_OPEN(path, fmode) : (FILE*)fdopen(fd, fmode);
-
- if (s->file == NULL) {
- return destroy(s), (gzFile)Z_NULL;
- }
- if (s->mode == 'w') {
- /* Write a very simple .gz header:
- */
- fprintf(s->file, "%c%c%c%c%c%c%c%c%c%c", gz_magic[0], gz_magic[1],
- Z_DEFLATED, 0 /*flags*/, 0,0,0,0 /*time*/, 0 /*xflags*/, OS_CODE);
- s->start = 10L;
- /* We use 10L instead of ftell(s->file) to because ftell causes an
- * fflush on some systems. This version of the library doesn't use
- * start anyway in write mode, so this initialization is not
- * necessary.
- */
- } else {
- check_header(s); /* skip the .gz header */
- s->start = ftell(s->file) - s->stream.avail_in;
- }
-
- return (gzFile)s;
-}
-
-/* ===========================================================================
- Opens a gzip (.gz) file for reading or writing.
-*/
-gzFile ZEXPORT gzopen (path, mode)
- const char *path;
- const char *mode;
-{
- return gz_open (path, mode, -1);
-}
-
-/* ===========================================================================
- Associate a gzFile with the file descriptor fd. fd is not dup'ed here
- to mimic the behavio(u)r of fdopen.
-*/
-gzFile ZEXPORT gzdopen (fd, mode)
- int fd;
- const char *mode;
-{
- char name[46]; /* allow for up to 128-bit integers */
-
- if (fd < 0) return (gzFile)Z_NULL;
- sprintf(name, "<fd:%d>", fd); /* for debugging */
-
- return gz_open (name, mode, fd);
-}
-
-/* ===========================================================================
- * Update the compression level and strategy
- */
-int ZEXPORT gzsetparams (file, level, strategy)
- gzFile file;
- int level;
- int strategy;
-{
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR;
-
- /* Make room to allow flushing */
- if (s->stream.avail_out == 0) {
-
- s->stream.next_out = s->outbuf;
- if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) {
- s->z_err = Z_ERRNO;
- }
- s->stream.avail_out = Z_BUFSIZE;
- }
-
- return deflateParams (&(s->stream), level, strategy);
-}
-
-/* ===========================================================================
- Read a byte from a gz_stream; update next_in and avail_in. Return EOF
- for end of file.
- IN assertion: the stream s has been sucessfully opened for reading.
-*/
-local int get_byte(s)
- gz_stream *s;
-{
- if (s->z_eof) return EOF;
- if (s->stream.avail_in == 0) {
- errno = 0;
- s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file);
- if (s->stream.avail_in == 0) {
- s->z_eof = 1;
- if (ferror(s->file)) s->z_err = Z_ERRNO;
- return EOF;
- }
- s->stream.next_in = s->inbuf;
- }
- s->stream.avail_in--;
- return *(s->stream.next_in)++;
-}
-
-/* ===========================================================================
- Check the gzip header of a gz_stream opened for reading. Set the stream
- mode to transparent if the gzip magic header is not present; set s->err
- to Z_DATA_ERROR if the magic header is present but the rest of the header
- is incorrect.
- IN assertion: the stream s has already been created sucessfully;
- s->stream.avail_in is zero for the first time, but may be non-zero
- for concatenated .gz files.
-*/
-local void check_header(s)
- gz_stream *s;
-{
- int method; /* method byte */
- int flags; /* flags byte */
- uInt len;
- int c;
-
- /* Assure two bytes in the buffer so we can peek ahead -- handle case
- where first byte of header is at the end of the buffer after the last
- gzip segment */
- len = s->stream.avail_in;
- if (len < 2) {
- if (len) s->inbuf[0] = s->stream.next_in[0];
- errno = 0;
- len = (uInt)fread(s->inbuf + len, 1, Z_BUFSIZE >> len, s->file);
- if (len == 0 && ferror(s->file)) s->z_err = Z_ERRNO;
- s->stream.avail_in += len;
- s->stream.next_in = s->inbuf;
- if (s->stream.avail_in < 2) {
- s->transparent = s->stream.avail_in;
- return;
- }
- }
-
- /* Peek ahead to check the gzip magic header */
- if (s->stream.next_in[0] != gz_magic[0] ||
- s->stream.next_in[1] != gz_magic[1]) {
- s->transparent = 1;
- return;
- }
- s->stream.avail_in -= 2;
- s->stream.next_in += 2;
-
- /* Check the rest of the gzip header */
- method = get_byte(s);
- flags = get_byte(s);
- if (method != Z_DEFLATED || (flags & RESERVED) != 0) {
- s->z_err = Z_DATA_ERROR;
- return;
- }
-
- /* Discard time, xflags and OS code: */
- for (len = 0; len < 6; len++) (void)get_byte(s);
-
- if ((flags & EXTRA_FIELD) != 0) { /* skip the extra field */
- len = (uInt)get_byte(s);
- len += ((uInt)get_byte(s))<<8;
- /* len is garbage if EOF but the loop below will quit anyway */
- while (len-- != 0 && get_byte(s) != EOF) ;
- }
- if ((flags & ORIG_NAME) != 0) { /* skip the original file name */
- while ((c = get_byte(s)) != 0 && c != EOF) ;
- }
- if ((flags & COMMENT) != 0) { /* skip the .gz file comment */
- while ((c = get_byte(s)) != 0 && c != EOF) ;
- }
- if ((flags & HEAD_CRC) != 0) { /* skip the header crc */
- for (len = 0; len < 2; len++) (void)get_byte(s);
- }
- s->z_err = s->z_eof ? Z_DATA_ERROR : Z_OK;
-}
-
- /* ===========================================================================
- * Cleanup then free the given gz_stream. Return a zlib error code.
- Try freeing in the reverse order of allocations.
- */
-local int destroy (s)
- gz_stream *s;
-{
- int err = Z_OK;
-
- if (!s) return Z_STREAM_ERROR;
-
- TRYFREE(s->msg);
-
- if (s->stream.state != NULL) {
- if (s->mode == 'w') {
-#ifdef NO_GZCOMPRESS
- err = Z_STREAM_ERROR;
-#else
- err = deflateEnd(&(s->stream));
-#endif
- } else if (s->mode == 'r') {
- err = inflateEnd(&(s->stream));
- }
- }
- if (s->file != NULL && fclose(s->file)) {
-#ifdef ESPIPE
- if (errno != ESPIPE) /* fclose is broken for pipes in HP/UX */
-#endif
- err = Z_ERRNO;
- }
- if (s->z_err < 0) err = s->z_err;
-
- TRYFREE(s->inbuf);
- TRYFREE(s->outbuf);
- TRYFREE(s->path);
- TRYFREE(s);
- return err;
-}
-
-/* ===========================================================================
- Reads the given number of uncompressed bytes from the compressed file.
- gzread returns the number of bytes actually read (0 for end of file).
-*/
-int ZEXPORT gzread (file, buf, len)
- gzFile file;
- voidp buf;
- unsigned len;
-{
- gz_stream *s = (gz_stream*)file;
- Bytef *start = (Bytef*)buf; /* starting point for crc computation */
- Byte *next_out; /* == stream.next_out but not forced far (for MSDOS) */
-
- if (s == NULL || s->mode != 'r') return Z_STREAM_ERROR;
-
- if (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO) return -1;
- if (s->z_err == Z_STREAM_END) return 0; /* EOF */
-
- next_out = (Byte*)buf;
- s->stream.next_out = (Bytef*)buf;
- s->stream.avail_out = len;
-
- if (s->stream.avail_out && s->back != EOF) {
- *next_out++ = s->back;
- s->stream.next_out++;
- s->stream.avail_out--;
- s->back = EOF;
- s->out++;
- start++;
- if (s->last) {
- s->z_err = Z_STREAM_END;
- return 1;
- }
- }
-
- while (s->stream.avail_out != 0) {
-
- if (s->transparent) {
- /* Copy first the lookahead bytes: */
- uInt n = s->stream.avail_in;
- if (n > s->stream.avail_out) n = s->stream.avail_out;
- if (n > 0) {
- zmemcpy(s->stream.next_out, s->stream.next_in, n);
- next_out += n;
- s->stream.next_out = next_out;
- s->stream.next_in += n;
- s->stream.avail_out -= n;
- s->stream.avail_in -= n;
- }
- if (s->stream.avail_out > 0) {
- s->stream.avail_out -=
- (uInt)fread(next_out, 1, s->stream.avail_out, s->file);
- }
- len -= s->stream.avail_out;
- s->in += len;
- s->out += len;
- if (len == 0) s->z_eof = 1;
- return (int)len;
- }
- if (s->stream.avail_in == 0 && !s->z_eof) {
-
- errno = 0;
- s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file);
- if (s->stream.avail_in == 0) {
- s->z_eof = 1;
- if (ferror(s->file)) {
- s->z_err = Z_ERRNO;
- break;
- }
- }
- s->stream.next_in = s->inbuf;
- }
- s->in += s->stream.avail_in;
- s->out += s->stream.avail_out;
- s->z_err = inflate(&(s->stream), Z_NO_FLUSH);
- s->in -= s->stream.avail_in;
- s->out -= s->stream.avail_out;
-
- if (s->z_err == Z_STREAM_END) {
- /* Check CRC and original size */
- s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start));
- start = s->stream.next_out;
-
- if (getLong(s) != s->crc) {
- s->z_err = Z_DATA_ERROR;
- } else {
- (void)getLong(s);
- /* The uncompressed length returned by above getlong() may be
- * different from s->out in case of concatenated .gz files.
- * Check for such files:
- */
- check_header(s);
- if (s->z_err == Z_OK) {
- inflateReset(&(s->stream));
- s->crc = crc32(0L, Z_NULL, 0);
- }
- }
- }
- if (s->z_err != Z_OK || s->z_eof) break;
- }
- s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start));
-
- if (len == s->stream.avail_out &&
- (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO))
- return -1;
- return (int)(len - s->stream.avail_out);
-}
-
-
-/* ===========================================================================
- Reads one byte from the compressed file. gzgetc returns this byte
- or -1 in case of end of file or error.
-*/
-int ZEXPORT gzgetc(file)
- gzFile file;
-{
- unsigned char c;
-
- return gzread(file, &c, 1) == 1 ? c : -1;
-}
-
-
-/* ===========================================================================
- Push one byte back onto the stream.
-*/
-int ZEXPORT gzungetc(c, file)
- int c;
- gzFile file;
-{
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL || s->mode != 'r' || c == EOF || s->back != EOF) return EOF;
- s->back = c;
- s->out--;
- s->last = (s->z_err == Z_STREAM_END);
- if (s->last) s->z_err = Z_OK;
- s->z_eof = 0;
- return c;
-}
-
-
-/* ===========================================================================
- Reads bytes from the compressed file until len-1 characters are
- read, or a newline character is read and transferred to buf, or an
- end-of-file condition is encountered. The string is then terminated
- with a null character.
- gzgets returns buf, or Z_NULL in case of error.
-
- The current implementation is not optimized at all.
-*/
-char * ZEXPORT gzgets(file, buf, len)
- gzFile file;
- char *buf;
- int len;
-{
- char *b = buf;
- if (buf == Z_NULL || len <= 0) return Z_NULL;
-
- while (--len > 0 && gzread(file, buf, 1) == 1 && *buf++ != '\n') ;
- *buf = '\0';
- return b == buf && len > 0 ? Z_NULL : b;
-}
-
-
-#ifndef NO_GZCOMPRESS
-/* ===========================================================================
- Writes the given number of uncompressed bytes into the compressed file.
- gzwrite returns the number of bytes actually written (0 in case of error).
-*/
-int ZEXPORT gzwrite (file, buf, len)
- gzFile file;
- voidpc buf;
- unsigned len;
-{
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR;
-
- s->stream.next_in = (Bytef*)buf;
- s->stream.avail_in = len;
-
- while (s->stream.avail_in != 0) {
-
- if (s->stream.avail_out == 0) {
-
- s->stream.next_out = s->outbuf;
- if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) {
- s->z_err = Z_ERRNO;
- break;
- }
- s->stream.avail_out = Z_BUFSIZE;
- }
- s->in += s->stream.avail_in;
- s->out += s->stream.avail_out;
- s->z_err = deflate(&(s->stream), Z_NO_FLUSH);
- s->in -= s->stream.avail_in;
- s->out -= s->stream.avail_out;
- if (s->z_err != Z_OK) break;
- }
- s->crc = crc32(s->crc, (const Bytef *)buf, len);
-
- return (int)(len - s->stream.avail_in);
-}
-
-
-/* ===========================================================================
- Converts, formats, and writes the args to the compressed file under
- control of the format string, as in fprintf. gzprintf returns the number of
- uncompressed bytes actually written (0 in case of error).
-*/
-#ifdef STDC
-#include <stdarg.h>
-
-int ZEXPORTVA gzprintf (gzFile file, const char *format, /* args */ ...)
-{
- char buf[Z_PRINTF_BUFSIZE];
- va_list va;
- int len;
-
- buf[sizeof(buf) - 1] = 0;
- va_start(va, format);
-#ifdef NO_vsnprintf
-# ifdef HAS_vsprintf_void
- (void)vsprintf(buf, format, va);
- va_end(va);
- for (len = 0; len < sizeof(buf); len++)
- if (buf[len] == 0) break;
-# else
- len = vsprintf(buf, format, va);
- va_end(va);
-# endif
-#else
-# ifdef HAS_vsnprintf_void
- (void)vsnprintf(buf, sizeof(buf), format, va);
- va_end(va);
- len = strlen(buf);
-# else
- len = vsnprintf(buf, sizeof(buf), format, va);
- va_end(va);
-# endif
-#endif
- if (len <= 0 || len >= (int)sizeof(buf) || buf[sizeof(buf) - 1] != 0)
- return 0;
- return gzwrite(file, buf, (unsigned)len);
-}
-#else /* not ANSI C */
-
-int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
- a11, a12, a13, a14, a15, a16, a17, a18, a19, a20)
- gzFile file;
- const char *format;
- int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
- a11, a12, a13, a14, a15, a16, a17, a18, a19, a20;
-{
- char buf[Z_PRINTF_BUFSIZE];
- int len;
-
- buf[sizeof(buf) - 1] = 0;
-#ifdef NO_snprintf
-# ifdef HAS_sprintf_void
- sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8,
- a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
- for (len = 0; len < sizeof(buf); len++)
- if (buf[len] == 0) break;
-# else
- len = sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8,
- a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
-# endif
-#else
-# ifdef HAS_snprintf_void
- snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8,
- a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
- len = strlen(buf);
-# else
- len = snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8,
- a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
-# endif
-#endif
- if (len <= 0 || len >= sizeof(buf) || buf[sizeof(buf) - 1] != 0)
- return 0;
- return gzwrite(file, buf, len);
-}
-#endif
-
-/* ===========================================================================
- Writes c, converted to an unsigned char, into the compressed file.
- gzputc returns the value that was written, or -1 in case of error.
-*/
-int ZEXPORT gzputc(file, c)
- gzFile file;
- int c;
-{
- unsigned char cc = (unsigned char) c; /* required for big endian systems */
-
- return gzwrite(file, &cc, 1) == 1 ? (int)cc : -1;
-}
-
-
-/* ===========================================================================
- Writes the given null-terminated string to the compressed file, excluding
- the terminating null character.
- gzputs returns the number of characters written, or -1 in case of error.
-*/
-int ZEXPORT gzputs(file, s)
- gzFile file;
- const char *s;
-{
- return gzwrite(file, (char*)s, (unsigned)strlen(s));
-}
-
-
-/* ===========================================================================
- Flushes all pending output into the compressed file. The parameter
- flush is as in the deflate() function.
-*/
-local int do_flush (file, flush)
- gzFile file;
- int flush;
-{
- uInt len;
- int done = 0;
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR;
-
- s->stream.avail_in = 0; /* should be zero already anyway */
-
- for (;;) {
- len = Z_BUFSIZE - s->stream.avail_out;
-
- if (len != 0) {
- if ((uInt)fwrite(s->outbuf, 1, len, s->file) != len) {
- s->z_err = Z_ERRNO;
- return Z_ERRNO;
- }
- s->stream.next_out = s->outbuf;
- s->stream.avail_out = Z_BUFSIZE;
- }
- if (done) break;
- s->out += s->stream.avail_out;
- s->z_err = deflate(&(s->stream), flush);
- s->out -= s->stream.avail_out;
-
- /* Ignore the second of two consecutive flushes: */
- if (len == 0 && s->z_err == Z_BUF_ERROR) s->z_err = Z_OK;
-
- /* deflate has finished flushing only when it hasn't used up
- * all the available space in the output buffer:
- */
- done = (s->stream.avail_out != 0 || s->z_err == Z_STREAM_END);
-
- if (s->z_err != Z_OK && s->z_err != Z_STREAM_END) break;
- }
- return s->z_err == Z_STREAM_END ? Z_OK : s->z_err;
-}
-
-int ZEXPORT gzflush (file, flush)
- gzFile file;
- int flush;
-{
- gz_stream *s = (gz_stream*)file;
- int err = do_flush (file, flush);
-
- if (err) return err;
- fflush(s->file);
- return s->z_err == Z_STREAM_END ? Z_OK : s->z_err;
-}
-#endif /* NO_GZCOMPRESS */
-
-/* ===========================================================================
- Sets the starting position for the next gzread or gzwrite on the given
- compressed file. The offset represents a number of bytes in the
- gzseek returns the resulting offset location as measured in bytes from
- the beginning of the uncompressed stream, or -1 in case of error.
- SEEK_END is not implemented, returns error.
- In this version of the library, gzseek can be extremely slow.
-*/
-z_off_t ZEXPORT gzseek (file, offset, whence)
- gzFile file;
- z_off_t offset;
- int whence;
-{
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL || whence == SEEK_END ||
- s->z_err == Z_ERRNO || s->z_err == Z_DATA_ERROR) {
- return -1L;
- }
-
- if (s->mode == 'w') {
-#ifdef NO_GZCOMPRESS
- return -1L;
-#else
- if (whence == SEEK_SET) {
- offset -= s->in;
- }
- if (offset < 0) return -1L;
-
- /* At this point, offset is the number of zero bytes to write. */
- if (s->inbuf == Z_NULL) {
- s->inbuf = (Byte*)ALLOC(Z_BUFSIZE); /* for seeking */
- if (s->inbuf == Z_NULL) return -1L;
- zmemzero(s->inbuf, Z_BUFSIZE);
- }
- while (offset > 0) {
- uInt size = Z_BUFSIZE;
- if (offset < Z_BUFSIZE) size = (uInt)offset;
-
- size = gzwrite(file, s->inbuf, size);
- if (size == 0) return -1L;
-
- offset -= size;
- }
- return s->in;
-#endif
- }
- /* Rest of function is for reading only */
-
- /* compute absolute position */
- if (whence == SEEK_CUR) {
- offset += s->out;
- }
- if (offset < 0) return -1L;
-
- if (s->transparent) {
- /* map to fseek */
- s->back = EOF;
- s->stream.avail_in = 0;
- s->stream.next_in = s->inbuf;
- if (fseek(s->file, offset, SEEK_SET) < 0) return -1L;
-
- s->in = s->out = offset;
- return offset;
- }
-
- /* For a negative seek, rewind and use positive seek */
- if (offset >= s->out) {
- offset -= s->out;
- } else if (gzrewind(file) < 0) {
- return -1L;
- }
- /* offset is now the number of bytes to skip. */
-
- if (offset != 0 && s->outbuf == Z_NULL) {
- s->outbuf = (Byte*)ALLOC(Z_BUFSIZE);
- if (s->outbuf == Z_NULL) return -1L;
- }
- if (offset && s->back != EOF) {
- s->back = EOF;
- s->out++;
- offset--;
- if (s->last) s->z_err = Z_STREAM_END;
- }
- while (offset > 0) {
- int size = Z_BUFSIZE;
- if (offset < Z_BUFSIZE) size = (int)offset;
-
- size = gzread(file, s->outbuf, (uInt)size);
- if (size <= 0) return -1L;
- offset -= size;
- }
- return s->out;
-}
-
-/* ===========================================================================
- Rewinds input file.
-*/
-int ZEXPORT gzrewind (file)
- gzFile file;
-{
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL || s->mode != 'r') return -1;
-
- s->z_err = Z_OK;
- s->z_eof = 0;
- s->back = EOF;
- s->stream.avail_in = 0;
- s->stream.next_in = s->inbuf;
- s->crc = crc32(0L, Z_NULL, 0);
- if (!s->transparent) (void)inflateReset(&s->stream);
- s->in = 0;
- s->out = 0;
- return fseek(s->file, s->start, SEEK_SET);
-}
-
-/* ===========================================================================
- Returns the starting position for the next gzread or gzwrite on the
- given compressed file. This position represents a number of bytes in the
- uncompressed data stream.
-*/
-z_off_t ZEXPORT gztell (file)
- gzFile file;
-{
- return gzseek(file, 0LL, SEEK_CUR);
-}
-
-/* ===========================================================================
- Returns 1 when EOF has previously been detected reading the given
- input stream, otherwise zero.
-*/
-int ZEXPORT gzeof (file)
- gzFile file;
-{
- gz_stream *s = (gz_stream*)file;
-
- /* With concatenated compressed files that can have embedded
- * crc trailers, z_eof is no longer the only/best indicator of EOF
- * on a gz_stream. Handle end-of-stream error explicitly here.
- */
- if (s == NULL || s->mode != 'r') return 0;
- if (s->z_eof) return 1;
- return s->z_err == Z_STREAM_END;
-}
-
-/* ===========================================================================
- Returns 1 if reading and doing so transparently, otherwise zero.
-*/
-int ZEXPORT gzdirect (file)
- gzFile file;
-{
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL || s->mode != 'r') return 0;
- return s->transparent;
-}
-
-/* ===========================================================================
- Outputs a long in LSB order to the given file
-*/
-local void putLong (file, x)
- FILE *file;
- uLong x;
-{
- int n;
- for (n = 0; n < 4; n++) {
- fputc((int)(x & 0xff), file);
- x >>= 8;
- }
-}
-
-/* ===========================================================================
- Reads a long in LSB order from the given gz_stream. Sets z_err in case
- of error.
-*/
-local uLong getLong (s)
- gz_stream *s;
-{
- uLong x = (uLong)get_byte(s);
- int c;
-
- x += ((uLong)get_byte(s))<<8;
- x += ((uLong)get_byte(s))<<16;
- c = get_byte(s);
- if (c == EOF) s->z_err = Z_DATA_ERROR;
- x += ((uLong)c)<<24;
- return x;
-}
-
-/* ===========================================================================
- Flushes all pending output if necessary, closes the compressed file
- and deallocates all the (de)compression state.
-*/
-int ZEXPORT gzclose (file)
- gzFile file;
-{
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL) return Z_STREAM_ERROR;
-
- if (s->mode == 'w') {
-#ifdef NO_GZCOMPRESS
- return Z_STREAM_ERROR;
-#else
- if (do_flush (file, Z_FINISH) != Z_OK)
- return destroy((gz_stream*)file);
-
- putLong (s->file, s->crc);
- putLong (s->file, (uLong)(s->in & 0xffffffff));
-#endif
- }
- return destroy((gz_stream*)file);
-}
-
-#ifdef STDC
-# define zstrerror(errnum) strerror(errnum)
-#else
-# define zstrerror(errnum) ""
-#endif
-
-/* ===========================================================================
- Returns the error message for the last error which occurred on the
- given compressed file. errnum is set to zlib error number. If an
- error occurred in the file system and not in the compression library,
- errnum is set to Z_ERRNO and the application may consult errno
- to get the exact error code.
-*/
-const char * ZEXPORT gzerror (file, errnum)
- gzFile file;
- int *errnum;
-{
- char *m;
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL) {
- *errnum = Z_STREAM_ERROR;
- return (const char*)ERR_MSG(Z_STREAM_ERROR);
- }
- *errnum = s->z_err;
- if (*errnum == Z_OK) return (const char*)"";
-
- m = (char*)(*errnum == Z_ERRNO ? zstrerror(errno) : s->stream.msg);
-
- if (m == NULL || *m == '\0') m = (char*)ERR_MSG(s->z_err);
-
- TRYFREE(s->msg);
- s->msg = (char*)ALLOC(strlen(s->path) + strlen(m) + 3);
- if (s->msg == Z_NULL) return (const char*)ERR_MSG(Z_MEM_ERROR);
- strcpy(s->msg, s->path);
- strcat(s->msg, ": ");
- strcat(s->msg, m);
- return (const char*)s->msg;
-}
-
-/* ===========================================================================
- Clear the error and end-of-file flags, and do the same for the real file.
-*/
-void ZEXPORT gzclearerr (file)
- gzFile file;
-{
- gz_stream *s = (gz_stream*)file;
-
- if (s == NULL) return;
- if (s->z_err != Z_STREAM_END) s->z_err = Z_OK;
- s->z_eof = 0;
- clearerr(s->file);
-}
+++ /dev/null
-/* infback.c -- inflate using a call-back interface
- * Copyright (C) 1995-2005 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/*
- This code is largely copied from inflate.c. Normally either infback.o or
- inflate.o would be linked into an application--not both. The interface
- with inffast.c is retained so that optimized assembler-coded versions of
- inflate_fast() can be used with either inflate.c or infback.c.
- */
-
-#include "zutil.h"
-#include "inftrees.h"
-#include "inflate.h"
-#include "inffast.h"
-
-/* function prototypes */
-local void fixedtables OF((struct inflate_state FAR *state));
-
-/*
- strm provides memory allocation functions in zalloc and zfree, or
- Z_NULL to use the library memory allocation functions.
-
- windowBits is in the range 8..15, and window is a user-supplied
- window and output buffer that is 2**windowBits bytes.
- */
-int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size)
-z_streamp strm;
-int windowBits;
-unsigned char FAR *window;
-const char *version;
-int stream_size;
-{
- struct inflate_state FAR *state;
-
- if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
- stream_size != (int)(sizeof(z_stream)))
- return Z_VERSION_ERROR;
- if (strm == Z_NULL || window == Z_NULL ||
- windowBits < 8 || windowBits > 15)
- return Z_STREAM_ERROR;
- strm->msg = Z_NULL; /* in case we return an error */
- if (strm->zalloc == (alloc_func)0) {
- strm->zalloc = zcalloc;
- strm->opaque = (voidpf)0;
- }
- if (strm->zfree == (free_func)0) strm->zfree = zcfree;
- state = (struct inflate_state FAR *)ZALLOC(strm, 1,
- sizeof(struct inflate_state));
- if (state == Z_NULL) return Z_MEM_ERROR;
- Tracev((stderr, "inflate: allocated\n"));
- strm->state = (struct internal_state FAR *)state;
- state->dmax = 32768U;
- state->wbits = windowBits;
- state->wsize = 1U << windowBits;
- state->window = window;
- state->write = 0;
- state->whave = 0;
- return Z_OK;
-}
-
-/*
- Return state with length and distance decoding tables and index sizes set to
- fixed code decoding. Normally this returns fixed tables from inffixed.h.
- If BUILDFIXED is defined, then instead this routine builds the tables the
- first time it's called, and returns those tables the first time and
- thereafter. This reduces the size of the code by about 2K bytes, in
- exchange for a little execution time. However, BUILDFIXED should not be
- used for threaded applications, since the rewriting of the tables and virgin
- may not be thread-safe.
- */
-local void fixedtables(state)
-struct inflate_state FAR *state;
-{
-#ifdef BUILDFIXED
- static int virgin = 1;
- static code *lenfix, *distfix;
- static code fixed[544];
-
- /* build fixed huffman tables if first call (may not be thread safe) */
- if (virgin) {
- unsigned sym, bits;
- static code *next;
-
- /* literal/length table */
- sym = 0;
- while (sym < 144) state->lens[sym++] = 8;
- while (sym < 256) state->lens[sym++] = 9;
- while (sym < 280) state->lens[sym++] = 7;
- while (sym < 288) state->lens[sym++] = 8;
- next = fixed;
- lenfix = next;
- bits = 9;
- inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work);
-
- /* distance table */
- sym = 0;
- while (sym < 32) state->lens[sym++] = 5;
- distfix = next;
- bits = 5;
- inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work);
-
- /* do this just once */
- virgin = 0;
- }
-#else /* !BUILDFIXED */
-# include "inffixed.h"
-#endif /* BUILDFIXED */
- state->lencode = lenfix;
- state->lenbits = 9;
- state->distcode = distfix;
- state->distbits = 5;
-}
-
-/* Macros for inflateBack(): */
-
-/* Load returned state from inflate_fast() */
-#define LOAD() \
- do { \
- put = strm->next_out; \
- left = strm->avail_out; \
- next = strm->next_in; \
- have = strm->avail_in; \
- hold = state->hold; \
- bits = state->bits; \
- } while (0)
-
-/* Set state from registers for inflate_fast() */
-#define RESTORE() \
- do { \
- strm->next_out = put; \
- strm->avail_out = left; \
- strm->next_in = next; \
- strm->avail_in = have; \
- state->hold = hold; \
- state->bits = bits; \
- } while (0)
-
-/* Clear the input bit accumulator */
-#define INITBITS() \
- do { \
- hold = 0; \
- bits = 0; \
- } while (0)
-
-/* Assure that some input is available. If input is requested, but denied,
- then return a Z_BUF_ERROR from inflateBack(). */
-#define PULL() \
- do { \
- if (have == 0) { \
- have = in(in_desc, &next); \
- if (have == 0) { \
- next = Z_NULL; \
- ret = Z_BUF_ERROR; \
- goto inf_leave; \
- } \
- } \
- } while (0)
-
-/* Get a byte of input into the bit accumulator, or return from inflateBack()
- with an error if there is no input available. */
-#define PULLBYTE() \
- do { \
- PULL(); \
- have--; \
- hold += (unsigned long)(*next++) << bits; \
- bits += 8; \
- } while (0)
-
-/* Assure that there are at least n bits in the bit accumulator. If there is
- not enough available input to do that, then return from inflateBack() with
- an error. */
-#define NEEDBITS(n) \
- do { \
- while (bits < (unsigned)(n)) \
- PULLBYTE(); \
- } while (0)
-
-/* Return the low n bits of the bit accumulator (n < 16) */
-#define BITS(n) \
- ((unsigned)hold & ((1U << (n)) - 1))
-
-/* Remove n bits from the bit accumulator */
-#define DROPBITS(n) \
- do { \
- hold >>= (n); \
- bits -= (unsigned)(n); \
- } while (0)
-
-/* Remove zero to seven bits as needed to go to a byte boundary */
-#define BYTEBITS() \
- do { \
- hold >>= bits & 7; \
- bits -= bits & 7; \
- } while (0)
-
-/* Assure that some output space is available, by writing out the window
- if it's full. If the write fails, return from inflateBack() with a
- Z_BUF_ERROR. */
-#define ROOM() \
- do { \
- if (left == 0) { \
- put = state->window; \
- left = state->wsize; \
- state->whave = left; \
- if (out(out_desc, put, left)) { \
- ret = Z_BUF_ERROR; \
- goto inf_leave; \
- } \
- } \
- } while (0)
-
-/*
- strm provides the memory allocation functions and window buffer on input,
- and provides information on the unused input on return. For Z_DATA_ERROR
- returns, strm will also provide an error message.
-
- in() and out() are the call-back input and output functions. When
- inflateBack() needs more input, it calls in(). When inflateBack() has
- filled the window with output, or when it completes with data in the
- window, it calls out() to write out the data. The application must not
- change the provided input until in() is called again or inflateBack()
- returns. The application must not change the window/output buffer until
- inflateBack() returns.
-
- in() and out() are called with a descriptor parameter provided in the
- inflateBack() call. This parameter can be a structure that provides the
- information required to do the read or write, as well as accumulated
- information on the input and output such as totals and check values.
-
- in() should return zero on failure. out() should return non-zero on
- failure. If either in() or out() fails, than inflateBack() returns a
- Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it
- was in() or out() that caused in the error. Otherwise, inflateBack()
- returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format
- error, or Z_MEM_ERROR if it could not allocate memory for the state.
- inflateBack() can also return Z_STREAM_ERROR if the input parameters
- are not correct, i.e. strm is Z_NULL or the state was not initialized.
- */
-int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc)
-z_streamp strm;
-in_func in;
-void FAR *in_desc;
-out_func out;
-void FAR *out_desc;
-{
- struct inflate_state FAR *state;
- unsigned char FAR *next; /* next input */
- unsigned char FAR *put; /* next output */
- unsigned have, left; /* available input and output */
- unsigned long hold; /* bit buffer */
- unsigned bits; /* bits in bit buffer */
- unsigned copy; /* number of stored or match bytes to copy */
- unsigned char FAR *from; /* where to copy match bytes from */
- code this; /* current decoding table entry */
- code last; /* parent table entry */
- unsigned len; /* length to copy for repeats, bits to drop */
- int ret; /* return code */
- static const unsigned short order[19] = /* permutation of code lengths */
- {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
-
- /* Check that the strm exists and that the state was initialized */
- if (strm == Z_NULL || strm->state == Z_NULL)
- return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
-
- /* Reset the state */
- strm->msg = Z_NULL;
- state->mode = TYPE;
- state->last = 0;
- state->whave = 0;
- next = strm->next_in;
- have = next != Z_NULL ? strm->avail_in : 0;
- hold = 0;
- bits = 0;
- put = state->window;
- left = state->wsize;
-
- /* Inflate until end of block marked as last */
- for (;;)
- switch (state->mode) {
- case TYPE:
- /* determine and dispatch block type */
- if (state->last) {
- BYTEBITS();
- state->mode = DONE;
- break;
- }
- NEEDBITS(3);
- state->last = BITS(1);
- DROPBITS(1);
- switch (BITS(2)) {
- case 0: /* stored block */
- Tracev((stderr, "inflate: stored block%s\n",
- state->last ? " (last)" : ""));
- state->mode = STORED;
- break;
- case 1: /* fixed block */
- fixedtables(state);
- Tracev((stderr, "inflate: fixed codes block%s\n",
- state->last ? " (last)" : ""));
- state->mode = LEN; /* decode codes */
- break;
- case 2: /* dynamic block */
- Tracev((stderr, "inflate: dynamic codes block%s\n",
- state->last ? " (last)" : ""));
- state->mode = TABLE;
- break;
- case 3:
- strm->msg = (char *)"invalid block type";
- state->mode = BAD;
- }
- DROPBITS(2);
- break;
-
- case STORED:
- /* get and verify stored block length */
- BYTEBITS(); /* go to byte boundary */
- NEEDBITS(32);
- if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) {
- strm->msg = (char *)"invalid stored block lengths";
- state->mode = BAD;
- break;
- }
- state->length = (unsigned)hold & 0xffff;
- Tracev((stderr, "inflate: stored length %u\n",
- state->length));
- INITBITS();
-
- /* copy stored block from input to output */
- while (state->length != 0) {
- copy = state->length;
- PULL();
- ROOM();
- if (copy > have) copy = have;
- if (copy > left) copy = left;
- zmemcpy(put, next, copy);
- have -= copy;
- next += copy;
- left -= copy;
- put += copy;
- state->length -= copy;
- }
- Tracev((stderr, "inflate: stored end\n"));
- state->mode = TYPE;
- break;
-
- case TABLE:
- /* get dynamic table entries descriptor */
- NEEDBITS(14);
- state->nlen = BITS(5) + 257;
- DROPBITS(5);
- state->ndist = BITS(5) + 1;
- DROPBITS(5);
- state->ncode = BITS(4) + 4;
- DROPBITS(4);
-#ifndef PKZIP_BUG_WORKAROUND
- if (state->nlen > 286 || state->ndist > 30) {
- strm->msg = (char *)"too many length or distance symbols";
- state->mode = BAD;
- break;
- }
-#endif
- Tracev((stderr, "inflate: table sizes ok\n"));
-
- /* get code length code lengths (not a typo) */
- state->have = 0;
- while (state->have < state->ncode) {
- NEEDBITS(3);
- state->lens[order[state->have++]] = (unsigned short)BITS(3);
- DROPBITS(3);
- }
- while (state->have < 19)
- state->lens[order[state->have++]] = 0;
- state->next = state->codes;
- state->lencode = (code const FAR *)(state->next);
- state->lenbits = 7;
- ret = inflate_table(CODES, state->lens, 19, &(state->next),
- &(state->lenbits), state->work);
- if (ret) {
- strm->msg = (char *)"invalid code lengths set";
- state->mode = BAD;
- break;
- }
- Tracev((stderr, "inflate: code lengths ok\n"));
-
- /* get length and distance code code lengths */
- state->have = 0;
- while (state->have < state->nlen + state->ndist) {
- for (;;) {
- this = state->lencode[BITS(state->lenbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if (this.val < 16) {
- NEEDBITS(this.bits);
- DROPBITS(this.bits);
- state->lens[state->have++] = this.val;
- }
- else {
- if (this.val == 16) {
- NEEDBITS(this.bits + 2);
- DROPBITS(this.bits);
- if (state->have == 0) {
- strm->msg = (char *)"invalid bit length repeat";
- state->mode = BAD;
- break;
- }
- len = (unsigned)(state->lens[state->have - 1]);
- copy = 3 + BITS(2);
- DROPBITS(2);
- }
- else if (this.val == 17) {
- NEEDBITS(this.bits + 3);
- DROPBITS(this.bits);
- len = 0;
- copy = 3 + BITS(3);
- DROPBITS(3);
- }
- else {
- NEEDBITS(this.bits + 7);
- DROPBITS(this.bits);
- len = 0;
- copy = 11 + BITS(7);
- DROPBITS(7);
- }
- if (state->have + copy > state->nlen + state->ndist) {
- strm->msg = (char *)"invalid bit length repeat";
- state->mode = BAD;
- break;
- }
- while (copy--)
- state->lens[state->have++] = (unsigned short)len;
- }
- }
-
- /* handle error breaks in while */
- if (state->mode == BAD) break;
-
- /* build code tables */
- state->next = state->codes;
- state->lencode = (code const FAR *)(state->next);
- state->lenbits = 9;
- ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
- &(state->lenbits), state->work);
- if (ret) {
- strm->msg = (char *)"invalid literal/lengths set";
- state->mode = BAD;
- break;
- }
- state->distcode = (code const FAR *)(state->next);
- state->distbits = 6;
- ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
- &(state->next), &(state->distbits), state->work);
- if (ret) {
- strm->msg = (char *)"invalid distances set";
- state->mode = BAD;
- break;
- }
- Tracev((stderr, "inflate: codes ok\n"));
- state->mode = LEN;
-
- case LEN:
- /* use inflate_fast() if we have enough input and output */
- if (have >= 6 && left >= 258) {
- RESTORE();
- if (state->whave < state->wsize)
- state->whave = state->wsize - left;
- inflate_fast(strm, state->wsize);
- LOAD();
- break;
- }
-
- /* get a literal, length, or end-of-block code */
- for (;;) {
- this = state->lencode[BITS(state->lenbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if (this.op && (this.op & 0xf0) == 0) {
- last = this;
- for (;;) {
- this = state->lencode[last.val +
- (BITS(last.bits + last.op) >> last.bits)];
- if ((unsigned)(last.bits + this.bits) <= bits) break;
- PULLBYTE();
- }
- DROPBITS(last.bits);
- }
- DROPBITS(this.bits);
- state->length = (unsigned)this.val;
-
- /* process literal */
- if (this.op == 0) {
- Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ?
- "inflate: literal '%c'\n" :
- "inflate: literal 0x%02x\n", this.val));
- ROOM();
- *put++ = (unsigned char)(state->length);
- left--;
- state->mode = LEN;
- break;
- }
-
- /* process end of block */
- if (this.op & 32) {
- Tracevv((stderr, "inflate: end of block\n"));
- state->mode = TYPE;
- break;
- }
-
- /* invalid code */
- if (this.op & 64) {
- strm->msg = (char *)"invalid literal/length code";
- state->mode = BAD;
- break;
- }
-
- /* length code -- get extra bits, if any */
- state->extra = (unsigned)(this.op) & 15;
- if (state->extra != 0) {
- NEEDBITS(state->extra);
- state->length += BITS(state->extra);
- DROPBITS(state->extra);
- }
- Tracevv((stderr, "inflate: length %u\n", state->length));
-
- /* get distance code */
- for (;;) {
- this = state->distcode[BITS(state->distbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if ((this.op & 0xf0) == 0) {
- last = this;
- for (;;) {
- this = state->distcode[last.val +
- (BITS(last.bits + last.op) >> last.bits)];
- if ((unsigned)(last.bits + this.bits) <= bits) break;
- PULLBYTE();
- }
- DROPBITS(last.bits);
- }
- DROPBITS(this.bits);
- if (this.op & 64) {
- strm->msg = (char *)"invalid distance code";
- state->mode = BAD;
- break;
- }
- state->offset = (unsigned)this.val;
-
- /* get distance extra bits, if any */
- state->extra = (unsigned)(this.op) & 15;
- if (state->extra != 0) {
- NEEDBITS(state->extra);
- state->offset += BITS(state->extra);
- DROPBITS(state->extra);
- }
- if (state->offset > state->wsize - (state->whave < state->wsize ?
- left : 0)) {
- strm->msg = (char *)"invalid distance too far back";
- state->mode = BAD;
- break;
- }
- Tracevv((stderr, "inflate: distance %u\n", state->offset));
-
- /* copy match from window to output */
- do {
- ROOM();
- copy = state->wsize - state->offset;
- if (copy < left) {
- from = put + copy;
- copy = left - copy;
- }
- else {
- from = put - state->offset;
- copy = left;
- }
- if (copy > state->length) copy = state->length;
- state->length -= copy;
- left -= copy;
- do {
- *put++ = *from++;
- } while (--copy);
- } while (state->length != 0);
- break;
-
- case DONE:
- /* inflate stream terminated properly -- write leftover output */
- ret = Z_STREAM_END;
- if (left < state->wsize) {
- if (out(out_desc, state->window, state->wsize - left))
- ret = Z_BUF_ERROR;
- }
- goto inf_leave;
-
- case BAD:
- ret = Z_DATA_ERROR;
- goto inf_leave;
-
- default: /* can't happen, but makes compilers happy */
- ret = Z_STREAM_ERROR;
- goto inf_leave;
- }
-
- /* Return unused input */
- inf_leave:
- strm->next_in = next;
- strm->avail_in = have;
- return ret;
-}
-
-int ZEXPORT inflateBackEnd(strm)
-z_streamp strm;
-{
- if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
- return Z_STREAM_ERROR;
- ZFREE(strm, strm->state);
- strm->state = Z_NULL;
- Tracev((stderr, "inflate: end\n"));
- return Z_OK;
-}
+++ /dev/null
-/* inffast.c -- fast decoding
- * Copyright (C) 1995-2004 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-#include "zutil.h"
-#include "inftrees.h"
-#include "inflate.h"
-#include "inffast.h"
-
-#ifndef ASMINF
-
-/* Allow machine dependent optimization for post-increment or pre-increment.
- Based on testing to date,
- Pre-increment preferred for:
- - PowerPC G3 (Adler)
- - MIPS R5000 (Randers-Pehrson)
- Post-increment preferred for:
- - none
- No measurable difference:
- - Pentium III (Anderson)
- - M68060 (Nikl)
- */
-#ifdef POSTINC
-# define OFF 0
-# define PUP(a) *(a)++
-#else
-# define OFF 1
-# define PUP(a) *++(a)
-#endif
-
-/*
- Decode literal, length, and distance codes and write out the resulting
- literal and match bytes until either not enough input or output is
- available, an end-of-block is encountered, or a data error is encountered.
- When large enough input and output buffers are supplied to inflate(), for
- example, a 16K input buffer and a 64K output buffer, more than 95% of the
- inflate execution time is spent in this routine.
-
- Entry assumptions:
-
- state->mode == LEN
- strm->avail_in >= 6
- strm->avail_out >= 258
- start >= strm->avail_out
- state->bits < 8
-
- On return, state->mode is one of:
-
- LEN -- ran out of enough output space or enough available input
- TYPE -- reached end of block code, inflate() to interpret next block
- BAD -- error in block data
-
- Notes:
-
- - The maximum input bits used by a length/distance pair is 15 bits for the
- length code, 5 bits for the length extra, 15 bits for the distance code,
- and 13 bits for the distance extra. This totals 48 bits, or six bytes.
- Therefore if strm->avail_in >= 6, then there is enough input to avoid
- checking for available input while decoding.
-
- - The maximum bytes that a single length/distance pair can output is 258
- bytes, which is the maximum length that can be coded. inflate_fast()
- requires strm->avail_out >= 258 for each loop to avoid checking for
- output space.
- */
-void inflate_fast(strm, start)
-z_streamp strm;
-unsigned start; /* inflate()'s starting value for strm->avail_out */
-{
- struct inflate_state FAR *state;
- unsigned char FAR *in; /* local strm->next_in */
- unsigned char FAR *last; /* while in < last, enough input available */
- unsigned char FAR *out; /* local strm->next_out */
- unsigned char FAR *beg; /* inflate()'s initial strm->next_out */
- unsigned char FAR *end; /* while out < end, enough space available */
-#ifdef INFLATE_STRICT
- unsigned dmax; /* maximum distance from zlib header */
-#endif
- unsigned wsize; /* window size or zero if not using window */
- unsigned whave; /* valid bytes in the window */
- unsigned write; /* window write index */
- unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */
- unsigned long hold; /* local strm->hold */
- unsigned bits; /* local strm->bits */
- code const FAR *lcode; /* local strm->lencode */
- code const FAR *dcode; /* local strm->distcode */
- unsigned lmask; /* mask for first level of length codes */
- unsigned dmask; /* mask for first level of distance codes */
- code this; /* retrieved table entry */
- unsigned op; /* code bits, operation, extra bits, or */
- /* window position, window bytes to copy */
- unsigned len; /* match length, unused bytes */
- unsigned dist; /* match distance */
- unsigned char FAR *from; /* where to copy match from */
-
- /* copy state to local variables */
- state = (struct inflate_state FAR *)strm->state;
- in = strm->next_in - OFF;
- last = in + (strm->avail_in - 5);
- out = strm->next_out - OFF;
- beg = out - (start - strm->avail_out);
- end = out + (strm->avail_out - 257);
-#ifdef INFLATE_STRICT
- dmax = state->dmax;
-#endif
- wsize = state->wsize;
- whave = state->whave;
- write = state->write;
- window = state->window;
- hold = state->hold;
- bits = state->bits;
- lcode = state->lencode;
- dcode = state->distcode;
- lmask = (1U << state->lenbits) - 1;
- dmask = (1U << state->distbits) - 1;
-
- /* decode literals and length/distances until end-of-block or not enough
- input data or output space */
- do {
- if (bits < 15) {
- hold += (unsigned long)(PUP(in)) << bits;
- bits += 8;
- hold += (unsigned long)(PUP(in)) << bits;
- bits += 8;
- }
- this = lcode[hold & lmask];
- dolen:
- op = (unsigned)(this.bits);
- hold >>= op;
- bits -= op;
- op = (unsigned)(this.op);
- if (op == 0) { /* literal */
- Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ?
- "inflate: literal '%c'\n" :
- "inflate: literal 0x%02x\n", this.val));
- PUP(out) = (unsigned char)(this.val);
- }
- else if (op & 16) { /* length base */
- len = (unsigned)(this.val);
- op &= 15; /* number of extra bits */
- if (op) {
- if (bits < op) {
- hold += (unsigned long)(PUP(in)) << bits;
- bits += 8;
- }
- len += (unsigned)hold & ((1U << op) - 1);
- hold >>= op;
- bits -= op;
- }
- Tracevv((stderr, "inflate: length %u\n", len));
- if (bits < 15) {
- hold += (unsigned long)(PUP(in)) << bits;
- bits += 8;
- hold += (unsigned long)(PUP(in)) << bits;
- bits += 8;
- }
- this = dcode[hold & dmask];
- dodist:
- op = (unsigned)(this.bits);
- hold >>= op;
- bits -= op;
- op = (unsigned)(this.op);
- if (op & 16) { /* distance base */
- dist = (unsigned)(this.val);
- op &= 15; /* number of extra bits */
- if (bits < op) {
- hold += (unsigned long)(PUP(in)) << bits;
- bits += 8;
- if (bits < op) {
- hold += (unsigned long)(PUP(in)) << bits;
- bits += 8;
- }
- }
- dist += (unsigned)hold & ((1U << op) - 1);
-#ifdef INFLATE_STRICT
- if (dist > dmax) {
- strm->msg = (char *)"invalid distance too far back";
- state->mode = BAD;
- break;
- }
-#endif
- hold >>= op;
- bits -= op;
- Tracevv((stderr, "inflate: distance %u\n", dist));
- op = (unsigned)(out - beg); /* max distance in output */
- if (dist > op) { /* see if copy from window */
- op = dist - op; /* distance back in window */
- if (op > whave) {
- strm->msg = (char *)"invalid distance too far back";
- state->mode = BAD;
- break;
- }
- from = window - OFF;
- if (write == 0) { /* very common case */
- from += wsize - op;
- if (op < len) { /* some from window */
- len -= op;
- do {
- PUP(out) = PUP(from);
- } while (--op);
- from = out - dist; /* rest from output */
- }
- }
- else if (write < op) { /* wrap around window */
- from += wsize + write - op;
- op -= write;
- if (op < len) { /* some from end of window */
- len -= op;
- do {
- PUP(out) = PUP(from);
- } while (--op);
- from = window - OFF;
- if (write < len) { /* some from start of window */
- op = write;
- len -= op;
- do {
- PUP(out) = PUP(from);
- } while (--op);
- from = out - dist; /* rest from output */
- }
- }
- }
- else { /* contiguous in window */
- from += write - op;
- if (op < len) { /* some from window */
- len -= op;
- do {
- PUP(out) = PUP(from);
- } while (--op);
- from = out - dist; /* rest from output */
- }
- }
- while (len > 2) {
- PUP(out) = PUP(from);
- PUP(out) = PUP(from);
- PUP(out) = PUP(from);
- len -= 3;
- }
- if (len) {
- PUP(out) = PUP(from);
- if (len > 1)
- PUP(out) = PUP(from);
- }
- }
- else {
- from = out - dist; /* copy direct from output */
- do { /* minimum length is three */
- PUP(out) = PUP(from);
- PUP(out) = PUP(from);
- PUP(out) = PUP(from);
- len -= 3;
- } while (len > 2);
- if (len) {
- PUP(out) = PUP(from);
- if (len > 1)
- PUP(out) = PUP(from);
- }
- }
- }
- else if ((op & 64) == 0) { /* 2nd level distance code */
- this = dcode[this.val + (hold & ((1U << op) - 1))];
- goto dodist;
- }
- else {
- strm->msg = (char *)"invalid distance code";
- state->mode = BAD;
- break;
- }
- }
- else if ((op & 64) == 0) { /* 2nd level length code */
- this = lcode[this.val + (hold & ((1U << op) - 1))];
- goto dolen;
- }
- else if (op & 32) { /* end-of-block */
- Tracevv((stderr, "inflate: end of block\n"));
- state->mode = TYPE;
- break;
- }
- else {
- strm->msg = (char *)"invalid literal/length code";
- state->mode = BAD;
- break;
- }
- } while (in < last && out < end);
-
- /* return unused bytes (on entry, bits < 8, so in won't go too far back) */
- len = bits >> 3;
- in -= len;
- bits -= len << 3;
- hold &= (1U << bits) - 1;
-
- /* update state and return */
- strm->next_in = in + OFF;
- strm->next_out = out + OFF;
- strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last));
- strm->avail_out = (unsigned)(out < end ?
- 257 + (end - out) : 257 - (out - end));
- state->hold = hold;
- state->bits = bits;
- return;
-}
-
-/*
- inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe):
- - Using bit fields for code structure
- - Different op definition to avoid & for extra bits (do & for table bits)
- - Three separate decoding do-loops for direct, window, and write == 0
- - Special case for distance > 1 copies to do overlapped load and store copy
- - Explicit branch predictions (based on measured branch probabilities)
- - Deferring match copy and interspersed it with decoding subsequent codes
- - Swapping literal/length else
- - Swapping window/direct else
- - Larger unrolled copy loops (three is about right)
- - Moving len -= 3 statement into middle of loop
- */
-
-#endif /* !ASMINF */
+++ /dev/null
-/* inffast.h -- header to use inffast.c
- * Copyright (C) 1995-2003 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
- part of the implementation of the compression library and is
- subject to change. Applications should only use zlib.h.
- */
-
-void inflate_fast OF((z_streamp strm, unsigned start));
+++ /dev/null
- /* inffixed.h -- table for decoding fixed codes
- * Generated automatically by makefixed().
- */
-
- /* WARNING: this file should *not* be used by applications. It
- is part of the implementation of the compression library and
- is subject to change. Applications should only use zlib.h.
- */
-
- static const code lenfix[512] = {
- {96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48},
- {0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128},
- {0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59},
- {0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176},
- {0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20},
- {21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100},
- {0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8},
- {0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216},
- {18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76},
- {0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114},
- {0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2},
- {0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148},
- {20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42},
- {0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86},
- {0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15},
- {0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236},
- {16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62},
- {0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142},
- {0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31},
- {0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162},
- {0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25},
- {0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105},
- {0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4},
- {0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202},
- {17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69},
- {0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125},
- {0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13},
- {0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195},
- {19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35},
- {0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91},
- {0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19},
- {0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246},
- {16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55},
- {0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135},
- {0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99},
- {0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190},
- {0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16},
- {20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96},
- {0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6},
- {0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209},
- {17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72},
- {0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116},
- {0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4},
- {0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153},
- {20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44},
- {0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82},
- {0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11},
- {0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229},
- {16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58},
- {0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138},
- {0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51},
- {0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173},
- {0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30},
- {0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110},
- {0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0},
- {0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195},
- {16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65},
- {0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121},
- {0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9},
- {0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258},
- {19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37},
- {0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93},
- {0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23},
- {0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251},
- {16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51},
- {0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131},
- {0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67},
- {0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183},
- {0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23},
- {64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103},
- {0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9},
- {0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223},
- {18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79},
- {0,9,255}
- };
-
- static const code distfix[32] = {
- {16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025},
- {21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193},
- {18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385},
- {19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577},
- {16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073},
- {22,5,193},{64,5,0}
- };
+++ /dev/null
-/* inflate.c -- zlib decompression
- * Copyright (C) 1995-2005 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/*
- * Change history:
- *
- * 1.2.beta0 24 Nov 2002
- * - First version -- complete rewrite of inflate to simplify code, avoid
- * creation of window when not needed, minimize use of window when it is
- * needed, make inffast.c even faster, implement gzip decoding, and to
- * improve code readability and style over the previous zlib inflate code
- *
- * 1.2.beta1 25 Nov 2002
- * - Use pointers for available input and output checking in inffast.c
- * - Remove input and output counters in inffast.c
- * - Change inffast.c entry and loop from avail_in >= 7 to >= 6
- * - Remove unnecessary second byte pull from length extra in inffast.c
- * - Unroll direct copy to three copies per loop in inffast.c
- *
- * 1.2.beta2 4 Dec 2002
- * - Change external routine names to reduce potential conflicts
- * - Correct filename to inffixed.h for fixed tables in inflate.c
- * - Make hbuf[] unsigned char to match parameter type in inflate.c
- * - Change strm->next_out[-state->offset] to *(strm->next_out - state->offset)
- * to avoid negation problem on Alphas (64 bit) in inflate.c
- *
- * 1.2.beta3 22 Dec 2002
- * - Add comments on state->bits assertion in inffast.c
- * - Add comments on op field in inftrees.h
- * - Fix bug in reuse of allocated window after inflateReset()
- * - Remove bit fields--back to byte structure for speed
- * - Remove distance extra == 0 check in inflate_fast()--only helps for lengths
- * - Change post-increments to pre-increments in inflate_fast(), PPC biased?
- * - Add compile time option, POSTINC, to use post-increments instead (Intel?)
- * - Make MATCH copy in inflate() much faster for when inflate_fast() not used
- * - Use local copies of stream next and avail values, as well as local bit
- * buffer and bit count in inflate()--for speed when inflate_fast() not used
- *
- * 1.2.beta4 1 Jan 2003
- * - Split ptr - 257 statements in inflate_table() to avoid compiler warnings
- * - Move a comment on output buffer sizes from inffast.c to inflate.c
- * - Add comments in inffast.c to introduce the inflate_fast() routine
- * - Rearrange window copies in inflate_fast() for speed and simplification
- * - Unroll last copy for window match in inflate_fast()
- * - Use local copies of window variables in inflate_fast() for speed
- * - Pull out common write == 0 case for speed in inflate_fast()
- * - Make op and len in inflate_fast() unsigned for consistency
- * - Add FAR to lcode and dcode declarations in inflate_fast()
- * - Simplified bad distance check in inflate_fast()
- * - Added inflateBackInit(), inflateBack(), and inflateBackEnd() in new
- * source file infback.c to provide a call-back interface to inflate for
- * programs like gzip and unzip -- uses window as output buffer to avoid
- * window copying
- *
- * 1.2.beta5 1 Jan 2003
- * - Improved inflateBack() interface to allow the caller to provide initial
- * input in strm.
- * - Fixed stored blocks bug in inflateBack()
- *
- * 1.2.beta6 4 Jan 2003
- * - Added comments in inffast.c on effectiveness of POSTINC
- * - Typecasting all around to reduce compiler warnings
- * - Changed loops from while (1) or do {} while (1) to for (;;), again to
- * make compilers happy
- * - Changed type of window in inflateBackInit() to unsigned char *
- *
- * 1.2.beta7 27 Jan 2003
- * - Changed many types to unsigned or unsigned short to avoid warnings
- * - Added inflateCopy() function
- *
- * 1.2.0 9 Mar 2003
- * - Changed inflateBack() interface to provide separate opaque descriptors
- * for the in() and out() functions
- * - Changed inflateBack() argument and in_func typedef to swap the length
- * and buffer address return values for the input function
- * - Check next_in and next_out for Z_NULL on entry to inflate()
- *
- * The history for versions after 1.2.0 are in ChangeLog in zlib distribution.
- */
-
-#include "zutil.h"
-#include "inftrees.h"
-#include "inflate.h"
-#include "inffast.h"
-
-#ifdef MAKEFIXED
-# ifndef BUILDFIXED
-# define BUILDFIXED
-# endif
-#endif
-
-/* function prototypes */
-local void fixedtables OF((struct inflate_state FAR *state));
-local int updatewindow OF((z_streamp strm, unsigned out));
-#ifdef BUILDFIXED
- void makefixed OF((void));
-#endif
-local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf,
- unsigned len));
-
-int ZEXPORT inflateReset(strm)
-z_streamp strm;
-{
- struct inflate_state FAR *state;
-
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
- strm->total_in = strm->total_out = state->total = 0;
- strm->msg = Z_NULL;
- strm->adler = 1; /* to support ill-conceived Java test suite */
- state->mode = HEAD;
- state->last = 0;
- state->havedict = 0;
- state->dmax = 32768U;
- state->head = Z_NULL;
- state->wsize = 0;
- state->whave = 0;
- state->write = 0;
- state->hold = 0;
- state->bits = 0;
- state->lencode = state->distcode = state->next = state->codes;
- Tracev((stderr, "inflate: reset\n"));
- return Z_OK;
-}
-
-int ZEXPORT inflatePrime(strm, bits, value)
-z_streamp strm;
-int bits;
-int value;
-{
- struct inflate_state FAR *state;
-
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
- if (bits > 16 || state->bits + bits > 32) return Z_STREAM_ERROR;
- value &= (1L << bits) - 1;
- state->hold += value << state->bits;
- state->bits += bits;
- return Z_OK;
-}
-
-int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size)
-z_streamp strm;
-int windowBits;
-const char *version;
-int stream_size;
-{
- struct inflate_state FAR *state;
-
- if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
- stream_size != (int)(sizeof(z_stream)))
- return Z_VERSION_ERROR;
- if (strm == Z_NULL) return Z_STREAM_ERROR;
- strm->msg = Z_NULL; /* in case we return an error */
- if (strm->zalloc == (alloc_func)0) {
- strm->zalloc = zcalloc;
- strm->opaque = (voidpf)0;
- }
- if (strm->zfree == (free_func)0) strm->zfree = zcfree;
- state = (struct inflate_state FAR *)
- ZALLOC(strm, 1, sizeof(struct inflate_state));
- if (state == Z_NULL) return Z_MEM_ERROR;
- Tracev((stderr, "inflate: allocated\n"));
- strm->state = (struct internal_state FAR *)state;
- if (windowBits < 0) {
- state->wrap = 0;
- windowBits = -windowBits;
- }
- else {
- state->wrap = (windowBits >> 4) + 1;
-#ifdef GUNZIP
- if (windowBits < 48) windowBits &= 15;
-#endif
- }
- if (windowBits < 8 || windowBits > 15) {
- ZFREE(strm, state);
- strm->state = Z_NULL;
- return Z_STREAM_ERROR;
- }
- state->wbits = (unsigned)windowBits;
- state->window = Z_NULL;
- return inflateReset(strm);
-}
-
-int ZEXPORT inflateInit_(strm, version, stream_size)
-z_streamp strm;
-const char *version;
-int stream_size;
-{
- return inflateInit2_(strm, DEF_WBITS, version, stream_size);
-}
-
-/*
- Return state with length and distance decoding tables and index sizes set to
- fixed code decoding. Normally this returns fixed tables from inffixed.h.
- If BUILDFIXED is defined, then instead this routine builds the tables the
- first time it's called, and returns those tables the first time and
- thereafter. This reduces the size of the code by about 2K bytes, in
- exchange for a little execution time. However, BUILDFIXED should not be
- used for threaded applications, since the rewriting of the tables and virgin
- may not be thread-safe.
- */
-local void fixedtables(state)
-struct inflate_state FAR *state;
-{
-#ifdef BUILDFIXED
- static int virgin = 1;
- static code *lenfix, *distfix;
- static code fixed[544];
-
- /* build fixed huffman tables if first call (may not be thread safe) */
- if (virgin) {
- unsigned sym, bits;
- static code *next;
-
- /* literal/length table */
- sym = 0;
- while (sym < 144) state->lens[sym++] = 8;
- while (sym < 256) state->lens[sym++] = 9;
- while (sym < 280) state->lens[sym++] = 7;
- while (sym < 288) state->lens[sym++] = 8;
- next = fixed;
- lenfix = next;
- bits = 9;
- inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work);
-
- /* distance table */
- sym = 0;
- while (sym < 32) state->lens[sym++] = 5;
- distfix = next;
- bits = 5;
- inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work);
-
- /* do this just once */
- virgin = 0;
- }
-#else /* !BUILDFIXED */
-# include "inffixed.h"
-#endif /* BUILDFIXED */
- state->lencode = lenfix;
- state->lenbits = 9;
- state->distcode = distfix;
- state->distbits = 5;
-}
-
-#ifdef MAKEFIXED
-#include <stdio.h>
-
-/*
- Write out the inffixed.h that is #include'd above. Defining MAKEFIXED also
- defines BUILDFIXED, so the tables are built on the fly. makefixed() writes
- those tables to stdout, which would be piped to inffixed.h. A small program
- can simply call makefixed to do this:
-
- void makefixed(void);
-
- int main(void)
- {
- makefixed();
- return 0;
- }
-
- Then that can be linked with zlib built with MAKEFIXED defined and run:
-
- a.out > inffixed.h
- */
-void makefixed()
-{
- unsigned low, size;
- struct inflate_state state;
-
- fixedtables(&state);
- puts(" /* inffixed.h -- table for decoding fixed codes");
- puts(" * Generated automatically by makefixed().");
- puts(" */");
- puts("");
- puts(" /* WARNING: this file should *not* be used by applications.");
- puts(" It is part of the implementation of this library and is");
- puts(" subject to change. Applications should only use zlib.h.");
- puts(" */");
- puts("");
- size = 1U << 9;
- printf(" static const code lenfix[%u] = {", size);
- low = 0;
- for (;;) {
- if ((low % 7) == 0) printf("\n ");
- printf("{%u,%u,%d}", state.lencode[low].op, state.lencode[low].bits,
- state.lencode[low].val);
- if (++low == size) break;
- putchar(',');
- }
- puts("\n };");
- size = 1U << 5;
- printf("\n static const code distfix[%u] = {", size);
- low = 0;
- for (;;) {
- if ((low % 6) == 0) printf("\n ");
- printf("{%u,%u,%d}", state.distcode[low].op, state.distcode[low].bits,
- state.distcode[low].val);
- if (++low == size) break;
- putchar(',');
- }
- puts("\n };");
-}
-#endif /* MAKEFIXED */
-
-/*
- Update the window with the last wsize (normally 32K) bytes written before
- returning. If window does not exist yet, create it. This is only called
- when a window is already in use, or when output has been written during this
- inflate call, but the end of the deflate stream has not been reached yet.
- It is also called to create a window for dictionary data when a dictionary
- is loaded.
-
- Providing output buffers larger than 32K to inflate() should provide a speed
- advantage, since only the last 32K of output is copied to the sliding window
- upon return from inflate(), and since all distances after the first 32K of
- output will fall in the output data, making match copies simpler and faster.
- The advantage may be dependent on the size of the processor's data caches.
- */
-local int updatewindow(strm, out)
-z_streamp strm;
-unsigned out;
-{
- struct inflate_state FAR *state;
- unsigned copy, dist;
-
- state = (struct inflate_state FAR *)strm->state;
-
- /* if it hasn't been done already, allocate space for the window */
- if (state->window == Z_NULL) {
- state->window = (unsigned char FAR *)
- ZALLOC(strm, 1U << state->wbits,
- sizeof(unsigned char));
- if (state->window == Z_NULL) return 1;
- }
-
- /* if window not in use yet, initialize */
- if (state->wsize == 0) {
- state->wsize = 1U << state->wbits;
- state->write = 0;
- state->whave = 0;
- }
-
- /* copy state->wsize or less output bytes into the circular window */
- copy = out - strm->avail_out;
- if (copy >= state->wsize) {
- zmemcpy(state->window, strm->next_out - state->wsize, state->wsize);
- state->write = 0;
- state->whave = state->wsize;
- }
- else {
- dist = state->wsize - state->write;
- if (dist > copy) dist = copy;
- zmemcpy(state->window + state->write, strm->next_out - copy, dist);
- copy -= dist;
- if (copy) {
- zmemcpy(state->window, strm->next_out - copy, copy);
- state->write = copy;
- state->whave = state->wsize;
- }
- else {
- state->write += dist;
- if (state->write == state->wsize) state->write = 0;
- if (state->whave < state->wsize) state->whave += dist;
- }
- }
- return 0;
-}
-
-/* Macros for inflate(): */
-
-/* check function to use adler32() for zlib or crc32() for gzip */
-#ifdef GUNZIP
-# define UPDATE(check, buf, len) \
- (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
-#else
-# define UPDATE(check, buf, len) adler32(check, buf, len)
-#endif
-
-/* check macros for header crc */
-#ifdef GUNZIP
-# define CRC2(check, word) \
- do { \
- hbuf[0] = (unsigned char)(word); \
- hbuf[1] = (unsigned char)((word) >> 8); \
- check = crc32(check, hbuf, 2); \
- } while (0)
-
-# define CRC4(check, word) \
- do { \
- hbuf[0] = (unsigned char)(word); \
- hbuf[1] = (unsigned char)((word) >> 8); \
- hbuf[2] = (unsigned char)((word) >> 16); \
- hbuf[3] = (unsigned char)((word) >> 24); \
- check = crc32(check, hbuf, 4); \
- } while (0)
-#endif
-
-/* Load registers with state in inflate() for speed */
-#define LOAD() \
- do { \
- put = strm->next_out; \
- left = strm->avail_out; \
- next = strm->next_in; \
- have = strm->avail_in; \
- hold = state->hold; \
- bits = state->bits; \
- } while (0)
-
-/* Restore state from registers in inflate() */
-#define RESTORE() \
- do { \
- strm->next_out = put; \
- strm->avail_out = left; \
- strm->next_in = next; \
- strm->avail_in = have; \
- state->hold = hold; \
- state->bits = bits; \
- } while (0)
-
-/* Clear the input bit accumulator */
-#define INITBITS() \
- do { \
- hold = 0; \
- bits = 0; \
- } while (0)
-
-/* Get a byte of input into the bit accumulator, or return from inflate()
- if there is no input available. */
-#define PULLBYTE() \
- do { \
- if (have == 0) goto inf_leave; \
- have--; \
- hold += (unsigned long)(*next++) << bits; \
- bits += 8; \
- } while (0)
-
-/* Assure that there are at least n bits in the bit accumulator. If there is
- not enough available input to do that, then return from inflate(). */
-#define NEEDBITS(n) \
- do { \
- while (bits < (unsigned)(n)) \
- PULLBYTE(); \
- } while (0)
-
-/* Return the low n bits of the bit accumulator (n < 16) */
-#define BITS(n) \
- ((unsigned)hold & ((1U << (n)) - 1))
-
-/* Remove n bits from the bit accumulator */
-#define DROPBITS(n) \
- do { \
- hold >>= (n); \
- bits -= (unsigned)(n); \
- } while (0)
-
-/* Remove zero to seven bits as needed to go to a byte boundary */
-#define BYTEBITS() \
- do { \
- hold >>= bits & 7; \
- bits -= bits & 7; \
- } while (0)
-
-/* Reverse the bytes in a 32-bit value */
-#define REVERSE(q) \
- ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
- (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
-
-/*
- inflate() uses a state machine to process as much input data and generate as
- much output data as possible before returning. The state machine is
- structured roughly as follows:
-
- for (;;) switch (state) {
- ...
- case STATEn:
- if (not enough input data or output space to make progress)
- return;
- ... make progress ...
- state = STATEm;
- break;
- ...
- }
-
- so when inflate() is called again, the same case is attempted again, and
- if the appropriate resources are provided, the machine proceeds to the
- next state. The NEEDBITS() macro is usually the way the state evaluates
- whether it can proceed or should return. NEEDBITS() does the return if
- the requested bits are not available. The typical use of the BITS macros
- is:
-
- NEEDBITS(n);
- ... do something with BITS(n) ...
- DROPBITS(n);
-
- where NEEDBITS(n) either returns from inflate() if there isn't enough
- input left to load n bits into the accumulator, or it continues. BITS(n)
- gives the low n bits in the accumulator. When done, DROPBITS(n) drops
- the low n bits off the accumulator. INITBITS() clears the accumulator
- and sets the number of available bits to zero. BYTEBITS() discards just
- enough bits to put the accumulator on a byte boundary. After BYTEBITS()
- and a NEEDBITS(8), then BITS(8) would return the next byte in the stream.
-
- NEEDBITS(n) uses PULLBYTE() to get an available byte of input, or to return
- if there is no input available. The decoding of variable length codes uses
- PULLBYTE() directly in order to pull just enough bytes to decode the next
- code, and no more.
-
- Some states loop until they get enough input, making sure that enough
- state information is maintained to continue the loop where it left off
- if NEEDBITS() returns in the loop. For example, want, need, and keep
- would all have to actually be part of the saved state in case NEEDBITS()
- returns:
-
- case STATEw:
- while (want < need) {
- NEEDBITS(n);
- keep[want++] = BITS(n);
- DROPBITS(n);
- }
- state = STATEx;
- case STATEx:
-
- As shown above, if the next state is also the next case, then the break
- is omitted.
-
- A state may also return if there is not enough output space available to
- complete that state. Those states are copying stored data, writing a
- literal byte, and copying a matching string.
-
- When returning, a "goto inf_leave" is used to update the total counters,
- update the check value, and determine whether any progress has been made
- during that inflate() call in order to return the proper return code.
- Progress is defined as a change in either strm->avail_in or strm->avail_out.
- When there is a window, goto inf_leave will update the window with the last
- output written. If a goto inf_leave occurs in the middle of decompression
- and there is no window currently, goto inf_leave will create one and copy
- output to the window for the next call of inflate().
-
- In this implementation, the flush parameter of inflate() only affects the
- return code (per zlib.h). inflate() always writes as much as possible to
- strm->next_out, given the space available and the provided input--the effect
- documented in zlib.h of Z_SYNC_FLUSH. Furthermore, inflate() always defers
- the allocation of and copying into a sliding window until necessary, which
- provides the effect documented in zlib.h for Z_FINISH when the entire input
- stream available. So the only thing the flush parameter actually does is:
- when flush is set to Z_FINISH, inflate() cannot return Z_OK. Instead it
- will return Z_BUF_ERROR if it has not reached the end of the stream.
- */
-
-int ZEXPORT inflate(strm, flush)
-z_streamp strm;
-int flush;
-{
- struct inflate_state FAR *state;
- unsigned char FAR *next; /* next input */
- unsigned char FAR *put; /* next output */
- unsigned have, left; /* available input and output */
- unsigned long hold; /* bit buffer */
- unsigned bits; /* bits in bit buffer */
- unsigned in, out; /* save starting available input and output */
- unsigned copy; /* number of stored or match bytes to copy */
- unsigned char FAR *from; /* where to copy match bytes from */
- code this; /* current decoding table entry */
- code last; /* parent table entry */
- unsigned len; /* length to copy for repeats, bits to drop */
- int ret; /* return code */
-#ifdef GUNZIP
- unsigned char hbuf[4]; /* buffer for gzip header crc calculation */
-#endif
- static const unsigned short order[19] = /* permutation of code lengths */
- {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
-
- if (strm == Z_NULL || strm->state == Z_NULL || strm->next_out == Z_NULL ||
- (strm->next_in == Z_NULL && strm->avail_in != 0))
- return Z_STREAM_ERROR;
-
- state = (struct inflate_state FAR *)strm->state;
- if (state->mode == TYPE) state->mode = TYPEDO; /* skip check */
- LOAD();
- in = have;
- out = left;
- ret = Z_OK;
- for (;;)
- switch (state->mode) {
- case HEAD:
- if (state->wrap == 0) {
- state->mode = TYPEDO;
- break;
- }
- NEEDBITS(16);
-#ifdef GUNZIP
- if ((state->wrap & 2) && hold == 0x8b1f) { /* gzip header */
- state->check = crc32(0L, Z_NULL, 0);
- CRC2(state->check, hold);
- INITBITS();
- state->mode = FLAGS;
- break;
- }
- state->flags = 0; /* expect zlib header */
- if (state->head != Z_NULL)
- state->head->done = -1;
- if (!(state->wrap & 1) || /* check if zlib header allowed */
-#else
- if (
-#endif
- ((BITS(8) << 8) + (hold >> 8)) % 31) {
- strm->msg = (char *)"incorrect header check";
- state->mode = BAD;
- break;
- }
- if (BITS(4) != Z_DEFLATED) {
- strm->msg = (char *)"unknown compression method";
- state->mode = BAD;
- break;
- }
- DROPBITS(4);
- len = BITS(4) + 8;
- if (len > state->wbits) {
- strm->msg = (char *)"invalid window size";
- state->mode = BAD;
- break;
- }
- state->dmax = 1U << len;
- Tracev((stderr, "inflate: zlib header ok\n"));
- strm->adler = state->check = adler32(0L, Z_NULL, 0);
- state->mode = hold & 0x200 ? DICTID : TYPE;
- INITBITS();
- break;
-#ifdef GUNZIP
- case FLAGS:
- NEEDBITS(16);
- state->flags = (int)(hold);
- if ((state->flags & 0xff) != Z_DEFLATED) {
- strm->msg = (char *)"unknown compression method";
- state->mode = BAD;
- break;
- }
- if (state->flags & 0xe000) {
- strm->msg = (char *)"unknown header flags set";
- state->mode = BAD;
- break;
- }
- if (state->head != Z_NULL)
- state->head->text = (int)((hold >> 8) & 1);
- if (state->flags & 0x0200) CRC2(state->check, hold);
- INITBITS();
- state->mode = TIME;
- case TIME:
- NEEDBITS(32);
- if (state->head != Z_NULL)
- state->head->time = hold;
- if (state->flags & 0x0200) CRC4(state->check, hold);
- INITBITS();
- state->mode = OS;
- case OS:
- NEEDBITS(16);
- if (state->head != Z_NULL) {
- state->head->xflags = (int)(hold & 0xff);
- state->head->os = (int)(hold >> 8);
- }
- if (state->flags & 0x0200) CRC2(state->check, hold);
- INITBITS();
- state->mode = EXLEN;
- case EXLEN:
- if (state->flags & 0x0400) {
- NEEDBITS(16);
- state->length = (unsigned)(hold);
- if (state->head != Z_NULL)
- state->head->extra_len = (unsigned)hold;
- if (state->flags & 0x0200) CRC2(state->check, hold);
- INITBITS();
- }
- else if (state->head != Z_NULL)
- state->head->extra = Z_NULL;
- state->mode = EXTRA;
- case EXTRA:
- if (state->flags & 0x0400) {
- copy = state->length;
- if (copy > have) copy = have;
- if (copy) {
- if (state->head != Z_NULL &&
- state->head->extra != Z_NULL) {
- len = state->head->extra_len - state->length;
- zmemcpy(state->head->extra + len, next,
- len + copy > state->head->extra_max ?
- state->head->extra_max - len : copy);
- }
- if (state->flags & 0x0200)
- state->check = crc32(state->check, next, copy);
- have -= copy;
- next += copy;
- state->length -= copy;
- }
- if (state->length) goto inf_leave;
- }
- state->length = 0;
- state->mode = NAME;
- case NAME:
- if (state->flags & 0x0800) {
- if (have == 0) goto inf_leave;
- copy = 0;
- do {
- len = (unsigned)(next[copy++]);
- if (state->head != Z_NULL &&
- state->head->name != Z_NULL &&
- state->length < state->head->name_max)
- state->head->name[state->length++] = len;
- } while (len && copy < have);
- if (state->flags & 0x0200)
- state->check = crc32(state->check, next, copy);
- have -= copy;
- next += copy;
- if (len) goto inf_leave;
- }
- else if (state->head != Z_NULL)
- state->head->name = Z_NULL;
- state->length = 0;
- state->mode = COMMENT;
- case COMMENT:
- if (state->flags & 0x1000) {
- if (have == 0) goto inf_leave;
- copy = 0;
- do {
- len = (unsigned)(next[copy++]);
- if (state->head != Z_NULL &&
- state->head->comment != Z_NULL &&
- state->length < state->head->comm_max)
- state->head->comment[state->length++] = len;
- } while (len && copy < have);
- if (state->flags & 0x0200)
- state->check = crc32(state->check, next, copy);
- have -= copy;
- next += copy;
- if (len) goto inf_leave;
- }
- else if (state->head != Z_NULL)
- state->head->comment = Z_NULL;
- state->mode = HCRC;
- case HCRC:
- if (state->flags & 0x0200) {
- NEEDBITS(16);
- if (hold != (state->check & 0xffff)) {
- strm->msg = (char *)"header crc mismatch";
- state->mode = BAD;
- break;
- }
- INITBITS();
- }
- if (state->head != Z_NULL) {
- state->head->hcrc = (int)((state->flags >> 9) & 1);
- state->head->done = 1;
- }
- strm->adler = state->check = crc32(0L, Z_NULL, 0);
- state->mode = TYPE;
- break;
-#endif
- case DICTID:
- NEEDBITS(32);
- strm->adler = state->check = REVERSE(hold);
- INITBITS();
- state->mode = DICT;
- case DICT:
- if (state->havedict == 0) {
- RESTORE();
- return Z_NEED_DICT;
- }
- strm->adler = state->check = adler32(0L, Z_NULL, 0);
- state->mode = TYPE;
- case TYPE:
- if (flush == Z_BLOCK) goto inf_leave;
- case TYPEDO:
- if (state->last) {
- BYTEBITS();
- state->mode = CHECK;
- break;
- }
- NEEDBITS(3);
- state->last = BITS(1);
- DROPBITS(1);
- switch (BITS(2)) {
- case 0: /* stored block */
- Tracev((stderr, "inflate: stored block%s\n",
- state->last ? " (last)" : ""));
- state->mode = STORED;
- break;
- case 1: /* fixed block */
- fixedtables(state);
- Tracev((stderr, "inflate: fixed codes block%s\n",
- state->last ? " (last)" : ""));
- state->mode = LEN; /* decode codes */
- break;
- case 2: /* dynamic block */
- Tracev((stderr, "inflate: dynamic codes block%s\n",
- state->last ? " (last)" : ""));
- state->mode = TABLE;
- break;
- case 3:
- strm->msg = (char *)"invalid block type";
- state->mode = BAD;
- }
- DROPBITS(2);
- break;
- case STORED:
- BYTEBITS(); /* go to byte boundary */
- NEEDBITS(32);
- if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) {
- strm->msg = (char *)"invalid stored block lengths";
- state->mode = BAD;
- break;
- }
- state->length = (unsigned)hold & 0xffff;
- Tracev((stderr, "inflate: stored length %u\n",
- state->length));
- INITBITS();
- state->mode = COPY;
- case COPY:
- copy = state->length;
- if (copy) {
- if (copy > have) copy = have;
- if (copy > left) copy = left;
- if (copy == 0) goto inf_leave;
- zmemcpy(put, next, copy);
- have -= copy;
- next += copy;
- left -= copy;
- put += copy;
- state->length -= copy;
- break;
- }
- Tracev((stderr, "inflate: stored end\n"));
- state->mode = TYPE;
- break;
- case TABLE:
- NEEDBITS(14);
- state->nlen = BITS(5) + 257;
- DROPBITS(5);
- state->ndist = BITS(5) + 1;
- DROPBITS(5);
- state->ncode = BITS(4) + 4;
- DROPBITS(4);
-#ifndef PKZIP_BUG_WORKAROUND
- if (state->nlen > 286 || state->ndist > 30) {
- strm->msg = (char *)"too many length or distance symbols";
- state->mode = BAD;
- break;
- }
-#endif
- Tracev((stderr, "inflate: table sizes ok\n"));
- state->have = 0;
- state->mode = LENLENS;
- case LENLENS:
- while (state->have < state->ncode) {
- NEEDBITS(3);
- state->lens[order[state->have++]] = (unsigned short)BITS(3);
- DROPBITS(3);
- }
- while (state->have < 19)
- state->lens[order[state->have++]] = 0;
- state->next = state->codes;
- state->lencode = (code const FAR *)(state->next);
- state->lenbits = 7;
- ret = inflate_table(CODES, state->lens, 19, &(state->next),
- &(state->lenbits), state->work);
- if (ret) {
- strm->msg = (char *)"invalid code lengths set";
- state->mode = BAD;
- break;
- }
- Tracev((stderr, "inflate: code lengths ok\n"));
- state->have = 0;
- state->mode = CODELENS;
- case CODELENS:
- while (state->have < state->nlen + state->ndist) {
- for (;;) {
- this = state->lencode[BITS(state->lenbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if (this.val < 16) {
- NEEDBITS(this.bits);
- DROPBITS(this.bits);
- state->lens[state->have++] = this.val;
- }
- else {
- if (this.val == 16) {
- NEEDBITS(this.bits + 2);
- DROPBITS(this.bits);
- if (state->have == 0) {
- strm->msg = (char *)"invalid bit length repeat";
- state->mode = BAD;
- break;
- }
- len = state->lens[state->have - 1];
- copy = 3 + BITS(2);
- DROPBITS(2);
- }
- else if (this.val == 17) {
- NEEDBITS(this.bits + 3);
- DROPBITS(this.bits);
- len = 0;
- copy = 3 + BITS(3);
- DROPBITS(3);
- }
- else {
- NEEDBITS(this.bits + 7);
- DROPBITS(this.bits);
- len = 0;
- copy = 11 + BITS(7);
- DROPBITS(7);
- }
- if (state->have + copy > state->nlen + state->ndist) {
- strm->msg = (char *)"invalid bit length repeat";
- state->mode = BAD;
- break;
- }
- while (copy--)
- state->lens[state->have++] = (unsigned short)len;
- }
- }
-
- /* handle error breaks in while */
- if (state->mode == BAD) break;
-
- /* build code tables */
- state->next = state->codes;
- state->lencode = (code const FAR *)(state->next);
- state->lenbits = 9;
- ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
- &(state->lenbits), state->work);
- if (ret) {
- strm->msg = (char *)"invalid literal/lengths set";
- state->mode = BAD;
- break;
- }
- state->distcode = (code const FAR *)(state->next);
- state->distbits = 6;
- ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
- &(state->next), &(state->distbits), state->work);
- if (ret) {
- strm->msg = (char *)"invalid distances set";
- state->mode = BAD;
- break;
- }
- Tracev((stderr, "inflate: codes ok\n"));
- state->mode = LEN;
- case LEN:
- if (have >= 6 && left >= 258) {
- RESTORE();
- inflate_fast(strm, out);
- LOAD();
- break;
- }
- for (;;) {
- this = state->lencode[BITS(state->lenbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if (this.op && (this.op & 0xf0) == 0) {
- last = this;
- for (;;) {
- this = state->lencode[last.val +
- (BITS(last.bits + last.op) >> last.bits)];
- if ((unsigned)(last.bits + this.bits) <= bits) break;
- PULLBYTE();
- }
- DROPBITS(last.bits);
- }
- DROPBITS(this.bits);
- state->length = (unsigned)this.val;
- if ((int)(this.op) == 0) {
- Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ?
- "inflate: literal '%c'\n" :
- "inflate: literal 0x%02x\n", this.val));
- state->mode = LIT;
- break;
- }
- if (this.op & 32) {
- Tracevv((stderr, "inflate: end of block\n"));
- state->mode = TYPE;
- break;
- }
- if (this.op & 64) {
- strm->msg = (char *)"invalid literal/length code";
- state->mode = BAD;
- break;
- }
- state->extra = (unsigned)(this.op) & 15;
- state->mode = LENEXT;
- case LENEXT:
- if (state->extra) {
- NEEDBITS(state->extra);
- state->length += BITS(state->extra);
- DROPBITS(state->extra);
- }
- Tracevv((stderr, "inflate: length %u\n", state->length));
- state->mode = DIST;
- case DIST:
- for (;;) {
- this = state->distcode[BITS(state->distbits)];
- if ((unsigned)(this.bits) <= bits) break;
- PULLBYTE();
- }
- if ((this.op & 0xf0) == 0) {
- last = this;
- for (;;) {
- this = state->distcode[last.val +
- (BITS(last.bits + last.op) >> last.bits)];
- if ((unsigned)(last.bits + this.bits) <= bits) break;
- PULLBYTE();
- }
- DROPBITS(last.bits);
- }
- DROPBITS(this.bits);
- if (this.op & 64) {
- strm->msg = (char *)"invalid distance code";
- state->mode = BAD;
- break;
- }
- state->offset = (unsigned)this.val;
- state->extra = (unsigned)(this.op) & 15;
- state->mode = DISTEXT;
- case DISTEXT:
- if (state->extra) {
- NEEDBITS(state->extra);
- state->offset += BITS(state->extra);
- DROPBITS(state->extra);
- }
-#ifdef INFLATE_STRICT
- if (state->offset > state->dmax) {
- strm->msg = (char *)"invalid distance too far back";
- state->mode = BAD;
- break;
- }
-#endif
- if (state->offset > state->whave + out - left) {
- strm->msg = (char *)"invalid distance too far back";
- state->mode = BAD;
- break;
- }
- Tracevv((stderr, "inflate: distance %u\n", state->offset));
- state->mode = MATCH;
- case MATCH:
- if (left == 0) goto inf_leave;
- copy = out - left;
- if (state->offset > copy) { /* copy from window */
- copy = state->offset - copy;
- if (copy > state->write) {
- copy -= state->write;
- from = state->window + (state->wsize - copy);
- }
- else
- from = state->window + (state->write - copy);
- if (copy > state->length) copy = state->length;
- }
- else { /* copy from output */
- from = put - state->offset;
- copy = state->length;
- }
- if (copy > left) copy = left;
- left -= copy;
- state->length -= copy;
- do {
- *put++ = *from++;
- } while (--copy);
- if (state->length == 0) state->mode = LEN;
- break;
- case LIT:
- if (left == 0) goto inf_leave;
- *put++ = (unsigned char)(state->length);
- left--;
- state->mode = LEN;
- break;
- case CHECK:
- if (state->wrap) {
- NEEDBITS(32);
- out -= left;
- strm->total_out += out;
- state->total += out;
- if (out)
- strm->adler = state->check =
- UPDATE(state->check, put - out, out);
- out = left;
- if ((
-#ifdef GUNZIP
- state->flags ? hold :
-#endif
- REVERSE(hold)) != state->check) {
- strm->msg = (char *)"incorrect data check";
- state->mode = BAD;
- break;
- }
- INITBITS();
- Tracev((stderr, "inflate: check matches trailer\n"));
- }
-#ifdef GUNZIP
- state->mode = LENGTH;
- case LENGTH:
- if (state->wrap && state->flags) {
- NEEDBITS(32);
- if (hold != (state->total & 0xffffffffUL)) {
- strm->msg = (char *)"incorrect length check";
- state->mode = BAD;
- break;
- }
- INITBITS();
- Tracev((stderr, "inflate: length matches trailer\n"));
- }
-#endif
- state->mode = DONE;
- case DONE:
- ret = Z_STREAM_END;
- goto inf_leave;
- case BAD:
- ret = Z_DATA_ERROR;
- goto inf_leave;
- case MEM:
- return Z_MEM_ERROR;
- case SYNC:
- default:
- return Z_STREAM_ERROR;
- }
-
- /*
- Return from inflate(), updating the total counts and the check value.
- If there was no progress during the inflate() call, return a buffer
- error. Call updatewindow() to create and/or update the window state.
- Note: a memory error from inflate() is non-recoverable.
- */
- inf_leave:
- RESTORE();
- if (state->wsize || (state->mode < CHECK && out != strm->avail_out))
- if (updatewindow(strm, out)) {
- state->mode = MEM;
- return Z_MEM_ERROR;
- }
- in -= strm->avail_in;
- out -= strm->avail_out;
- strm->total_in += in;
- strm->total_out += out;
- state->total += out;
- if (state->wrap && out)
- strm->adler = state->check =
- UPDATE(state->check, strm->next_out - out, out);
- strm->data_type = state->bits + (state->last ? 64 : 0) +
- (state->mode == TYPE ? 128 : 0);
- if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK)
- ret = Z_BUF_ERROR;
- return ret;
-}
-
-int ZEXPORT inflateEnd(strm)
-z_streamp strm;
-{
- struct inflate_state FAR *state;
- if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
- return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
- if (state->window != Z_NULL) ZFREE(strm, state->window);
- ZFREE(strm, strm->state);
- strm->state = Z_NULL;
- Tracev((stderr, "inflate: end\n"));
- return Z_OK;
-}
-
-int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength)
-z_streamp strm;
-const Bytef *dictionary;
-uInt dictLength;
-{
- struct inflate_state FAR *state;
- unsigned long id;
-
- /* check state */
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
- if (state->wrap != 0 && state->mode != DICT)
- return Z_STREAM_ERROR;
-
- /* check for correct dictionary id */
- if (state->mode == DICT) {
- id = adler32(0L, Z_NULL, 0);
- id = adler32(id, dictionary, dictLength);
- if (id != state->check)
- return Z_DATA_ERROR;
- }
-
- /* copy dictionary to window */
- if (updatewindow(strm, strm->avail_out)) {
- state->mode = MEM;
- return Z_MEM_ERROR;
- }
- if (dictLength > state->wsize) {
- zmemcpy(state->window, dictionary + dictLength - state->wsize,
- state->wsize);
- state->whave = state->wsize;
- }
- else {
- zmemcpy(state->window + state->wsize - dictLength, dictionary,
- dictLength);
- state->whave = dictLength;
- }
- state->havedict = 1;
- Tracev((stderr, "inflate: dictionary set\n"));
- return Z_OK;
-}
-
-int ZEXPORT inflateGetHeader(strm, head)
-z_streamp strm;
-gz_headerp head;
-{
- struct inflate_state FAR *state;
-
- /* check state */
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
- if ((state->wrap & 2) == 0) return Z_STREAM_ERROR;
-
- /* save header structure */
- state->head = head;
- head->done = 0;
- return Z_OK;
-}
-
-/*
- Search buf[0..len-1] for the pattern: 0, 0, 0xff, 0xff. Return when found
- or when out of input. When called, *have is the number of pattern bytes
- found in order so far, in 0..3. On return *have is updated to the new
- state. If on return *have equals four, then the pattern was found and the
- return value is how many bytes were read including the last byte of the
- pattern. If *have is less than four, then the pattern has not been found
- yet and the return value is len. In the latter case, syncsearch() can be
- called again with more data and the *have state. *have is initialized to
- zero for the first call.
- */
-local unsigned syncsearch(have, buf, len)
-unsigned FAR *have;
-unsigned char FAR *buf;
-unsigned len;
-{
- unsigned got;
- unsigned next;
-
- got = *have;
- next = 0;
- while (next < len && got < 4) {
- if ((int)(buf[next]) == (got < 2 ? 0 : 0xff))
- got++;
- else if (buf[next])
- got = 0;
- else
- got = 4 - got;
- next++;
- }
- *have = got;
- return next;
-}
-
-int ZEXPORT inflateSync(strm)
-z_streamp strm;
-{
- unsigned len; /* number of bytes to look at or looked at */
- unsigned long in, out; /* temporary to save total_in and total_out */
- unsigned char buf[4]; /* to restore bit buffer to byte string */
- struct inflate_state FAR *state;
-
- /* check parameters */
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
- if (strm->avail_in == 0 && state->bits < 8) return Z_BUF_ERROR;
-
- /* if first time, start search in bit buffer */
- if (state->mode != SYNC) {
- state->mode = SYNC;
- state->hold <<= state->bits & 7;
- state->bits -= state->bits & 7;
- len = 0;
- while (state->bits >= 8) {
- buf[len++] = (unsigned char)(state->hold);
- state->hold >>= 8;
- state->bits -= 8;
- }
- state->have = 0;
- syncsearch(&(state->have), buf, len);
- }
-
- /* search available input */
- len = syncsearch(&(state->have), strm->next_in, strm->avail_in);
- strm->avail_in -= len;
- strm->next_in += len;
- strm->total_in += len;
-
- /* return no joy or set up to restart inflate() on a new block */
- if (state->have != 4) return Z_DATA_ERROR;
- in = strm->total_in; out = strm->total_out;
- inflateReset(strm);
- strm->total_in = in; strm->total_out = out;
- state->mode = TYPE;
- return Z_OK;
-}
-
-/*
- Returns true if inflate is currently at the end of a block generated by
- Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP
- implementation to provide an additional safety check. PPP uses
- Z_SYNC_FLUSH but removes the length bytes of the resulting empty stored
- block. When decompressing, PPP checks that at the end of input packet,
- inflate is waiting for these length bytes.
- */
-int ZEXPORT inflateSyncPoint(strm)
-z_streamp strm;
-{
- struct inflate_state FAR *state;
-
- if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)strm->state;
- return state->mode == STORED && state->bits == 0;
-}
-
-int ZEXPORT inflateCopy(dest, source)
-z_streamp dest;
-z_streamp source;
-{
- struct inflate_state FAR *state;
- struct inflate_state FAR *copy;
- unsigned char FAR *window;
- unsigned wsize;
-
- /* check input */
- if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL ||
- source->zalloc == (alloc_func)0 || source->zfree == (free_func)0)
- return Z_STREAM_ERROR;
- state = (struct inflate_state FAR *)source->state;
-
- /* allocate space */
- copy = (struct inflate_state FAR *)
- ZALLOC(source, 1, sizeof(struct inflate_state));
- if (copy == Z_NULL) return Z_MEM_ERROR;
- window = Z_NULL;
- if (state->window != Z_NULL) {
- window = (unsigned char FAR *)
- ZALLOC(source, 1U << state->wbits, sizeof(unsigned char));
- if (window == Z_NULL) {
- ZFREE(source, copy);
- return Z_MEM_ERROR;
- }
- }
-
- /* copy state */
- zmemcpy(dest, source, sizeof(z_stream));
- zmemcpy(copy, state, sizeof(struct inflate_state));
- if (state->lencode >= state->codes &&
- state->lencode <= state->codes + ENOUGH - 1) {
- copy->lencode = copy->codes + (state->lencode - state->codes);
- copy->distcode = copy->codes + (state->distcode - state->codes);
- }
- copy->next = copy->codes + (state->next - state->codes);
- if (window != Z_NULL) {
- wsize = 1U << state->wbits;
- zmemcpy(window, state->window, wsize);
- }
- copy->window = window;
- dest->state = (struct internal_state FAR *)copy;
- return Z_OK;
-}
+++ /dev/null
-/* inflate.h -- internal inflate state definition
- * Copyright (C) 1995-2004 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
- part of the implementation of the compression library and is
- subject to change. Applications should only use zlib.h.
- */
-
-/* define NO_GZIP when compiling if you want to disable gzip header and
- trailer decoding by inflate(). NO_GZIP would be used to avoid linking in
- the crc code when it is not needed. For shared libraries, gzip decoding
- should be left enabled. */
-#ifndef NO_GZIP
-# define GUNZIP
-#endif
-
-/* Possible inflate modes between inflate() calls */
-typedef enum {
- HEAD, /* i: waiting for magic header */
- FLAGS, /* i: waiting for method and flags (gzip) */
- TIME, /* i: waiting for modification time (gzip) */
- OS, /* i: waiting for extra flags and operating system (gzip) */
- EXLEN, /* i: waiting for extra length (gzip) */
- EXTRA, /* i: waiting for extra bytes (gzip) */
- NAME, /* i: waiting for end of file name (gzip) */
- COMMENT, /* i: waiting for end of comment (gzip) */
- HCRC, /* i: waiting for header crc (gzip) */
- DICTID, /* i: waiting for dictionary check value */
- DICT, /* waiting for inflateSetDictionary() call */
- TYPE, /* i: waiting for type bits, including last-flag bit */
- TYPEDO, /* i: same, but skip check to exit inflate on new block */
- STORED, /* i: waiting for stored size (length and complement) */
- COPY, /* i/o: waiting for input or output to copy stored block */
- TABLE, /* i: waiting for dynamic block table lengths */
- LENLENS, /* i: waiting for code length code lengths */
- CODELENS, /* i: waiting for length/lit and distance code lengths */
- LEN, /* i: waiting for length/lit code */
- LENEXT, /* i: waiting for length extra bits */
- DIST, /* i: waiting for distance code */
- DISTEXT, /* i: waiting for distance extra bits */
- MATCH, /* o: waiting for output space to copy string */
- LIT, /* o: waiting for output space to write literal */
- CHECK, /* i: waiting for 32-bit check value */
- LENGTH, /* i: waiting for 32-bit length (gzip) */
- DONE, /* finished check, done -- remain here until reset */
- BAD, /* got a data error -- remain here until reset */
- MEM, /* got an inflate() memory error -- remain here until reset */
- SYNC /* looking for synchronization bytes to restart inflate() */
-} inflate_mode;
-
-/*
- State transitions between above modes -
-
- (most modes can go to the BAD or MEM mode -- not shown for clarity)
-
- Process header:
- HEAD -> (gzip) or (zlib)
- (gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME
- NAME -> COMMENT -> HCRC -> TYPE
- (zlib) -> DICTID or TYPE
- DICTID -> DICT -> TYPE
- Read deflate blocks:
- TYPE -> STORED or TABLE or LEN or CHECK
- STORED -> COPY -> TYPE
- TABLE -> LENLENS -> CODELENS -> LEN
- Read deflate codes:
- LEN -> LENEXT or LIT or TYPE
- LENEXT -> DIST -> DISTEXT -> MATCH -> LEN
- LIT -> LEN
- Process trailer:
- CHECK -> LENGTH -> DONE
- */
-
-/* state maintained between inflate() calls. Approximately 7K bytes. */
-struct inflate_state {
- inflate_mode mode; /* current inflate mode */
- int last; /* true if processing last block */
- int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
- int havedict; /* true if dictionary provided */
- int flags; /* gzip header method and flags (0 if zlib) */
- unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */
- unsigned long check; /* protected copy of check value */
- unsigned long total; /* protected copy of output count */
- gz_headerp head; /* where to save gzip header information */
- /* sliding window */
- unsigned wbits; /* log base 2 of requested window size */
- unsigned wsize; /* window size or zero if not using window */
- unsigned whave; /* valid bytes in the window */
- unsigned write; /* window write index */
- unsigned char FAR *window; /* allocated sliding window, if needed */
- /* bit accumulator */
- unsigned long hold; /* input bit accumulator */
- unsigned bits; /* number of bits in "in" */
- /* for string and stored block copying */
- unsigned length; /* literal or length of data to copy */
- unsigned offset; /* distance back to copy string from */
- /* for table and code decoding */
- unsigned extra; /* extra bits needed */
- /* fixed and dynamic code tables */
- code const FAR *lencode; /* starting table for length/literal codes */
- code const FAR *distcode; /* starting table for distance codes */
- unsigned lenbits; /* index bits for lencode */
- unsigned distbits; /* index bits for distcode */
- /* dynamic table building */
- unsigned ncode; /* number of code length code lengths */
- unsigned nlen; /* number of length code lengths */
- unsigned ndist; /* number of distance code lengths */
- unsigned have; /* number of code lengths in lens[] */
- code FAR *next; /* next available space in codes[] */
- unsigned short lens[320]; /* temporary storage for code lengths */
- unsigned short work[288]; /* work area for code table building */
- code codes[ENOUGH]; /* space for code tables */
-};
+++ /dev/null
-/* inftrees.c -- generate Huffman trees for efficient decoding
- * Copyright (C) 1995-2005 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-#include "zutil.h"
-#include "inftrees.h"
-
-#define MAXBITS 15
-
-const char inflate_copyright[] =
- " inflate 1.2.3 Copyright 1995-2005 Mark Adler ";
-/*
- If you use the zlib library in a product, an acknowledgment is welcome
- in the documentation of your product. If for some reason you cannot
- include such an acknowledgment, I would appreciate that you keep this
- copyright string in the executable of your product.
- */
-
-/*
- Build a set of tables to decode the provided canonical Huffman code.
- The code lengths are lens[0..codes-1]. The result starts at *table,
- whose indices are 0..2^bits-1. work is a writable array of at least
- lens shorts, which is used as a work area. type is the type of code
- to be generated, CODES, LENS, or DISTS. On return, zero is success,
- -1 is an invalid code, and +1 means that ENOUGH isn't enough. table
- on return points to the next available entry's address. bits is the
- requested root table index bits, and on return it is the actual root
- table index bits. It will differ if the request is greater than the
- longest code or if it is less than the shortest code.
- */
-int inflate_table(type, lens, codes, table, bits, work)
-codetype type;
-unsigned short FAR *lens;
-unsigned codes;
-code FAR * FAR *table;
-unsigned FAR *bits;
-unsigned short FAR *work;
-{
- unsigned len; /* a code's length in bits */
- unsigned sym; /* index of code symbols */
- unsigned min, max; /* minimum and maximum code lengths */
- unsigned root; /* number of index bits for root table */
- unsigned curr; /* number of index bits for current table */
- unsigned drop; /* code bits to drop for sub-table */
- int left; /* number of prefix codes available */
- unsigned used; /* code entries in table used */
- unsigned huff; /* Huffman code */
- unsigned incr; /* for incrementing code, index */
- unsigned fill; /* index for replicating entries */
- unsigned low; /* low bits for current root entry */
- unsigned mask; /* mask for low root bits */
- code this; /* table entry for duplication */
- code FAR *next; /* next available space in table */
- const unsigned short FAR *base; /* base value table to use */
- const unsigned short FAR *extra; /* extra bits table to use */
- int end; /* use base and extra for symbol > end */
- unsigned short count[MAXBITS+1]; /* number of codes of each length */
- unsigned short offs[MAXBITS+1]; /* offsets in table for each length */
- static const unsigned short lbase[31] = { /* Length codes 257..285 base */
- 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
- 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
- static const unsigned short lext[31] = { /* Length codes 257..285 extra */
- 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
- 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 201, 196};
- static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
- 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
- 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
- 8193, 12289, 16385, 24577, 0, 0};
- static const unsigned short dext[32] = { /* Distance codes 0..29 extra */
- 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
- 23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
- 28, 28, 29, 29, 64, 64};
-
- /*
- Process a set of code lengths to create a canonical Huffman code. The
- code lengths are lens[0..codes-1]. Each length corresponds to the
- symbols 0..codes-1. The Huffman code is generated by first sorting the
- symbols by length from short to long, and retaining the symbol order
- for codes with equal lengths. Then the code starts with all zero bits
- for the first code of the shortest length, and the codes are integer
- increments for the same length, and zeros are appended as the length
- increases. For the deflate format, these bits are stored backwards
- from their more natural integer increment ordering, and so when the
- decoding tables are built in the large loop below, the integer codes
- are incremented backwards.
-
- This routine assumes, but does not check, that all of the entries in
- lens[] are in the range 0..MAXBITS. The caller must assure this.
- 1..MAXBITS is interpreted as that code length. zero means that that
- symbol does not occur in this code.
-
- The codes are sorted by computing a count of codes for each length,
- creating from that a table of starting indices for each length in the
- sorted table, and then entering the symbols in order in the sorted
- table. The sorted table is work[], with that space being provided by
- the caller.
-
- The length counts are used for other purposes as well, i.e. finding
- the minimum and maximum length codes, determining if there are any
- codes at all, checking for a valid set of lengths, and looking ahead
- at length counts to determine sub-table sizes when building the
- decoding tables.
- */
-
- /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */
- for (len = 0; len <= MAXBITS; len++)
- count[len] = 0;
- for (sym = 0; sym < codes; sym++)
- count[lens[sym]]++;
-
- /* bound code lengths, force root to be within code lengths */
- root = *bits;
- for (max = MAXBITS; max >= 1; max--)
- if (count[max] != 0) break;
- if (root > max) root = max;
- if (max == 0) { /* no symbols to code at all */
- this.op = (unsigned char)64; /* invalid code marker */
- this.bits = (unsigned char)1;
- this.val = (unsigned short)0;
- *(*table)++ = this; /* make a table to force an error */
- *(*table)++ = this;
- *bits = 1;
- return 0; /* no symbols, but wait for decoding to report error */
- }
- for (min = 1; min <= MAXBITS; min++)
- if (count[min] != 0) break;
- if (root < min) root = min;
-
- /* check for an over-subscribed or incomplete set of lengths */
- left = 1;
- for (len = 1; len <= MAXBITS; len++) {
- left <<= 1;
- left -= count[len];
- if (left < 0) return -1; /* over-subscribed */
- }
- if (left > 0 && (type == CODES || max != 1))
- return -1; /* incomplete set */
-
- /* generate offsets into symbol table for each length for sorting */
- offs[1] = 0;
- for (len = 1; len < MAXBITS; len++)
- offs[len + 1] = offs[len] + count[len];
-
- /* sort symbols by length, by symbol order within each length */
- for (sym = 0; sym < codes; sym++)
- if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym;
-
- /*
- Create and fill in decoding tables. In this loop, the table being
- filled is at next and has curr index bits. The code being used is huff
- with length len. That code is converted to an index by dropping drop
- bits off of the bottom. For codes where len is less than drop + curr,
- those top drop + curr - len bits are incremented through all values to
- fill the table with replicated entries.
-
- root is the number of index bits for the root table. When len exceeds
- root, sub-tables are created pointed to by the root entry with an index
- of the low root bits of huff. This is saved in low to check for when a
- new sub-table should be started. drop is zero when the root table is
- being filled, and drop is root when sub-tables are being filled.
-
- When a new sub-table is needed, it is necessary to look ahead in the
- code lengths to determine what size sub-table is needed. The length
- counts are used for this, and so count[] is decremented as codes are
- entered in the tables.
-
- used keeps track of how many table entries have been allocated from the
- provided *table space. It is checked when a LENS table is being made
- against the space in *table, ENOUGH, minus the maximum space needed by
- the worst case distance code, MAXD. This should never happen, but the
- sufficiency of ENOUGH has not been proven exhaustively, hence the check.
- This assumes that when type == LENS, bits == 9.
-
- sym increments through all symbols, and the loop terminates when
- all codes of length max, i.e. all codes, have been processed. This
- routine permits incomplete codes, so another loop after this one fills
- in the rest of the decoding tables with invalid code markers.
- */
-
- /* set up for code type */
- switch (type) {
- case CODES:
- base = extra = work; /* dummy value--not used */
- end = 19;
- break;
- case LENS:
- base = lbase;
- base -= 257;
- extra = lext;
- extra -= 257;
- end = 256;
- break;
- default: /* DISTS */
- base = dbase;
- extra = dext;
- end = -1;
- }
-
- /* initialize state for loop */
- huff = 0; /* starting code */
- sym = 0; /* starting code symbol */
- len = min; /* starting code length */
- next = *table; /* current table to fill in */
- curr = root; /* current table index bits */
- drop = 0; /* current bits to drop from code for index */
- low = (unsigned)(-1); /* trigger new sub-table when len > root */
- used = 1U << root; /* use root table entries */
- mask = used - 1; /* mask for comparing low */
-
- /* check available table space */
- if (type == LENS && used >= ENOUGH - MAXD)
- return 1;
-
- /* process all codes and make table entries */
- for (;;) {
- /* create table entry */
- this.bits = (unsigned char)(len - drop);
- if ((int)(work[sym]) < end) {
- this.op = (unsigned char)0;
- this.val = work[sym];
- }
- else if ((int)(work[sym]) > end) {
- this.op = (unsigned char)(extra[work[sym]]);
- this.val = base[work[sym]];
- }
- else {
- this.op = (unsigned char)(32 + 64); /* end of block */
- this.val = 0;
- }
-
- /* replicate for those indices with low len bits equal to huff */
- incr = 1U << (len - drop);
- fill = 1U << curr;
- min = fill; /* save offset to next table */
- do {
- fill -= incr;
- next[(huff >> drop) + fill] = this;
- } while (fill != 0);
-
- /* backwards increment the len-bit code huff */
- incr = 1U << (len - 1);
- while (huff & incr)
- incr >>= 1;
- if (incr != 0) {
- huff &= incr - 1;
- huff += incr;
- }
- else
- huff = 0;
-
- /* go to next symbol, update count, len */
- sym++;
- if (--(count[len]) == 0) {
- if (len == max) break;
- len = lens[work[sym]];
- }
-
- /* create new sub-table if needed */
- if (len > root && (huff & mask) != low) {
- /* if first time, transition to sub-tables */
- if (drop == 0)
- drop = root;
-
- /* increment past last table */
- next += min; /* here min is 1 << curr */
-
- /* determine length of next table */
- curr = len - drop;
- left = (int)(1 << curr);
- while (curr + drop < max) {
- left -= count[curr + drop];
- if (left <= 0) break;
- curr++;
- left <<= 1;
- }
-
- /* check for enough space */
- used += 1U << curr;
- if (type == LENS && used >= ENOUGH - MAXD)
- return 1;
-
- /* point entry in root table to sub-table */
- low = huff & mask;
- (*table)[low].op = (unsigned char)curr;
- (*table)[low].bits = (unsigned char)root;
- (*table)[low].val = (unsigned short)(next - *table);
- }
- }
-
- /*
- Fill in rest of table for incomplete codes. This loop is similar to the
- loop above in incrementing huff for table indices. It is assumed that
- len is equal to curr + drop, so there is no loop needed to increment
- through high index bits. When the current sub-table is filled, the loop
- drops back to the root table to fill in any remaining entries there.
- */
- this.op = (unsigned char)64; /* invalid code marker */
- this.bits = (unsigned char)(len - drop);
- this.val = (unsigned short)0;
- while (huff != 0) {
- /* when done with sub-table, drop back to root table */
- if (drop != 0 && (huff & mask) != low) {
- drop = 0;
- len = root;
- next = *table;
- this.bits = (unsigned char)len;
- }
-
- /* put invalid code marker in table */
- next[huff >> drop] = this;
-
- /* backwards increment the len-bit code huff */
- incr = 1U << (len - 1);
- while (huff & incr)
- incr >>= 1;
- if (incr != 0) {
- huff &= incr - 1;
- huff += incr;
- }
- else
- huff = 0;
- }
-
- /* set return parameters */
- *table += used;
- *bits = root;
- return 0;
-}
+++ /dev/null
-/* inftrees.h -- header to use inftrees.c
- * Copyright (C) 1995-2005 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
- part of the implementation of the compression library and is
- subject to change. Applications should only use zlib.h.
- */
-
-/* Structure for decoding tables. Each entry provides either the
- information needed to do the operation requested by the code that
- indexed that table entry, or it provides a pointer to another
- table that indexes more bits of the code. op indicates whether
- the entry is a pointer to another table, a literal, a length or
- distance, an end-of-block, or an invalid code. For a table
- pointer, the low four bits of op is the number of index bits of
- that table. For a length or distance, the low four bits of op
- is the number of extra bits to get after the code. bits is
- the number of bits in this code or part of the code to drop off
- of the bit buffer. val is the actual byte to output in the case
- of a literal, the base length or distance, or the offset from
- the current table to the next table. Each entry is four bytes. */
-typedef struct {
- unsigned char op; /* operation, extra bits, table bits */
- unsigned char bits; /* bits in this part of the code */
- unsigned short val; /* offset in table or code value */
-} code;
-
-/* op values as set by inflate_table():
- 00000000 - literal
- 0000tttt - table link, tttt != 0 is the number of table index bits
- 0001eeee - length or distance, eeee is the number of extra bits
- 01100000 - end of block
- 01000000 - invalid code
- */
-
-/* Maximum size of dynamic tree. The maximum found in a long but non-
- exhaustive search was 1444 code structures (852 for length/literals
- and 592 for distances, the latter actually the result of an
- exhaustive search). The true maximum is not known, but the value
- below is more than safe. */
-#define ENOUGH 2048
-#define MAXD 592
-
-/* Type of code to build for inftable() */
-typedef enum {
- CODES,
- LENS,
- DISTS
-} codetype;
-
-extern int inflate_table OF((codetype type, unsigned short FAR *lens,
- unsigned codes, code FAR * FAR *table,
- unsigned FAR *bits, unsigned short FAR *work));
+++ /dev/null
-$! make libz under VMS written by
-$! Martin P.J. Zinser
-$! <zinser@zinser.no-ip.info or zinser@sysdev.deutsche-boerse.com>
-$!
-$ on error then goto err_exit
-$!
-$!
-$! Just some general constants...
-$!
-$ true = 1
-$ false = 0
-$ tmpnam = "temp_" + f$getjpi("","pid")
-$ SAY = "WRITE SYS$OUTPUT"
-$!
-$! Setup variables holding "config" information
-$!
-$ Make = ""
-$ name = "Zlib"
-$ version = "?.?.?"
-$ v_string = "ZLIB_VERSION"
-$ v_file = "zlib.h"
-$ ccopt = ""
-$ lopts = ""
-$ linkonly = false
-$ optfile = name + ".opt"
-$ its_decc = false
-$ its_vaxc = false
-$ its_gnuc = false
-$ axp = f$getsyi("HW_MODEL").ge.1024
-$ s_case = false
-$! Check for MMK/MMS
-$!
-$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS"
-$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK"
-$!
-$!
-$ gosub find_version
-$!
-$ gosub check_opts
-$!
-$! Look for the compiler used
-$!
-$ gosub check_compiler
-$ if its_decc
-$ then
-$ ccopt = "/prefix=all" + ccopt
-$ if f$trnlnm("SYS") .eqs. ""
-$ then
-$ if axp
-$ then
-$ define sys sys$library:
-$ else
-$ ccopt = "/decc" + ccopt
-$ define sys decc$library_include:
-$ endif
-$ endif
-$ endif
-$ if its_vaxc .or. its_gnuc
-$ then
-$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
-$ endif
-$!
-$! Build the thing plain or with mms
-$!
-$ write sys$output "Compiling Zlib sources ..."
-$ if make.eqs.""
-$ then
-$ dele example.obj;*,minigzip.obj;*
-$ CALL MAKE adler32.OBJ "CC ''CCOPT' adler32" -
- adler32.c zlib.h zconf.h
-$ CALL MAKE compress.OBJ "CC ''CCOPT' compress" -
- compress.c zlib.h zconf.h
-$ CALL MAKE crc32.OBJ "CC ''CCOPT' crc32" -
- crc32.c zlib.h zconf.h
-$ CALL MAKE deflate.OBJ "CC ''CCOPT' deflate" -
- deflate.c deflate.h zutil.h zlib.h zconf.h
-$ CALL MAKE gzio.OBJ "CC ''CCOPT' gzio" -
- gzio.c zutil.h zlib.h zconf.h
-$ CALL MAKE infback.OBJ "CC ''CCOPT' infback" -
- infback.c zutil.h inftrees.h inflate.h inffast.h inffixed.h
-$ CALL MAKE inffast.OBJ "CC ''CCOPT' inffast" -
- inffast.c zutil.h zlib.h zconf.h inffast.h
-$ CALL MAKE inflate.OBJ "CC ''CCOPT' inflate" -
- inflate.c zutil.h zlib.h zconf.h infblock.h
-$ CALL MAKE inftrees.OBJ "CC ''CCOPT' inftrees" -
- inftrees.c zutil.h zlib.h zconf.h inftrees.h
-$ CALL MAKE trees.OBJ "CC ''CCOPT' trees" -
- trees.c deflate.h zutil.h zlib.h zconf.h
-$ CALL MAKE uncompr.OBJ "CC ''CCOPT' uncompr" -
- uncompr.c zlib.h zconf.h
-$ CALL MAKE zutil.OBJ "CC ''CCOPT' zutil" -
- zutil.c zutil.h zlib.h zconf.h
-$ write sys$output "Building Zlib ..."
-$ CALL MAKE libz.OLB "lib/crea libz.olb *.obj" *.OBJ
-$ write sys$output "Building example..."
-$ CALL MAKE example.OBJ "CC ''CCOPT' example" -
- example.c zlib.h zconf.h
-$ call make example.exe "LINK example,libz.olb/lib" example.obj libz.olb
-$ if f$search("x11vms:xvmsutils.olb") .nes. ""
-$ then
-$ write sys$output "Building minigzip..."
-$ CALL MAKE minigzip.OBJ "CC ''CCOPT' minigzip" -
- minigzip.c zlib.h zconf.h
-$ call make minigzip.exe -
- "LINK minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib" -
- minigzip.obj libz.olb
-$ endif
-$ else
-$ gosub crea_mms
-$ SAY "Make ''name' ''version' with ''Make' "
-$ 'make'
-$ endif
-$!
-$! Alpha gets a shareable image
-$!
-$ If axp
-$ Then
-$ gosub crea_olist
-$ write sys$output "Creating libzshr.exe"
-$ call anal_obj_axp modules.opt _link.opt
-$ if s_case
-$ then
-$ open/append optf modules.opt
-$ write optf "case_sensitive=YES"
-$ close optf
-$ endif
-$ LINK_'lopts'/SHARE=libzshr.exe modules.opt/opt,_link.opt/opt
-$ endif
-$ write sys$output "Zlib build completed"
-$ exit
-$CC_ERR:
-$ write sys$output "C compiler required to build ''name'"
-$ goto err_exit
-$ERR_EXIT:
-$ set message/facil/ident/sever/text
-$ write sys$output "Exiting..."
-$ exit 2
-$!
-$!
-$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES
-$ V = 'F$Verify(0)
-$! P1 = What we are trying to make
-$! P2 = Command to make it
-$! P3 - P8 What it depends on
-$
-$ If F$Search(P1) .Eqs. "" Then Goto Makeit
-$ Time = F$CvTime(F$File(P1,"RDT"))
-$arg=3
-$Loop:
-$ Argument = P'arg
-$ If Argument .Eqs. "" Then Goto Exit
-$ El=0
-$Loop2:
-$ File = F$Element(El," ",Argument)
-$ If File .Eqs. " " Then Goto Endl
-$ AFile = ""
-$Loop3:
-$ OFile = AFile
-$ AFile = F$Search(File)
-$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl
-$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit
-$ Goto Loop3
-$NextEL:
-$ El = El + 1
-$ Goto Loop2
-$EndL:
-$ arg=arg+1
-$ If arg .Le. 8 Then Goto Loop
-$ Goto Exit
-$
-$Makeit:
-$ VV=F$VERIFY(0)
-$ write sys$output P2
-$ 'P2
-$ VV='F$Verify(VV)
-$Exit:
-$ If V Then Set Verify
-$ENDSUBROUTINE
-$!------------------------------------------------------------------------------
-$!
-$! Check command line options and set symbols accordingly
-$!
-$ CHECK_OPTS:
-$ i = 1
-$ OPT_LOOP:
-$ if i .lt. 9
-$ then
-$ cparm = f$edit(p'i',"upcase")
-$ if cparm .eqs. "DEBUG"
-$ then
-$ ccopt = ccopt + "/noopt/deb"
-$ lopts = lopts + "/deb"
-$ endif
-$ if f$locate("CCOPT=",cparm) .lt. f$length(cparm)
-$ then
-$ start = f$locate("=",cparm) + 1
-$ len = f$length(cparm) - start
-$ ccopt = ccopt + f$extract(start,len,cparm)
-$ if f$locate("AS_IS",f$edit(ccopt,"UPCASE")) .lt. f$length(ccopt) -
- then s_case = true
-$ endif
-$ if cparm .eqs. "LINK" then linkonly = true
-$ if f$locate("LOPTS=",cparm) .lt. f$length(cparm)
-$ then
-$ start = f$locate("=",cparm) + 1
-$ len = f$length(cparm) - start
-$ lopts = lopts + f$extract(start,len,cparm)
-$ endif
-$ if f$locate("CC=",cparm) .lt. f$length(cparm)
-$ then
-$ start = f$locate("=",cparm) + 1
-$ len = f$length(cparm) - start
-$ cc_com = f$extract(start,len,cparm)
- if (cc_com .nes. "DECC") .and. -
- (cc_com .nes. "VAXC") .and. -
- (cc_com .nes. "GNUC")
-$ then
-$ write sys$output "Unsupported compiler choice ''cc_com' ignored"
-$ write sys$output "Use DECC, VAXC, or GNUC instead"
-$ else
-$ if cc_com .eqs. "DECC" then its_decc = true
-$ if cc_com .eqs. "VAXC" then its_vaxc = true
-$ if cc_com .eqs. "GNUC" then its_gnuc = true
-$ endif
-$ endif
-$ if f$locate("MAKE=",cparm) .lt. f$length(cparm)
-$ then
-$ start = f$locate("=",cparm) + 1
-$ len = f$length(cparm) - start
-$ mmks = f$extract(start,len,cparm)
-$ if (mmks .eqs. "MMK") .or. (mmks .eqs. "MMS")
-$ then
-$ make = mmks
-$ else
-$ write sys$output "Unsupported make choice ''mmks' ignored"
-$ write sys$output "Use MMK or MMS instead"
-$ endif
-$ endif
-$ i = i + 1
-$ goto opt_loop
-$ endif
-$ return
-$!------------------------------------------------------------------------------
-$!
-$! Look for the compiler used
-$!
-$CHECK_COMPILER:
-$ if (.not. (its_decc .or. its_vaxc .or. its_gnuc))
-$ then
-$ its_decc = (f$search("SYS$SYSTEM:DECC$COMPILER.EXE") .nes. "")
-$ its_vaxc = .not. its_decc .and. (F$Search("SYS$System:VAXC.Exe") .nes. "")
-$ its_gnuc = .not. (its_decc .or. its_vaxc) .and. (f$trnlnm("gnu_cc") .nes. "")
-$ endif
-$!
-$! Exit if no compiler available
-$!
-$ if (.not. (its_decc .or. its_vaxc .or. its_gnuc))
-$ then goto CC_ERR
-$ else
-$ if its_decc then write sys$output "CC compiler check ... Compaq C"
-$ if its_vaxc then write sys$output "CC compiler check ... VAX C"
-$ if its_gnuc then write sys$output "CC compiler check ... GNU C"
-$ endif
-$ return
-$!------------------------------------------------------------------------------
-$!
-$! If MMS/MMK are available dump out the descrip.mms if required
-$!
-$CREA_MMS:
-$ write sys$output "Creating descrip.mms..."
-$ create descrip.mms
-$ open/append out descrip.mms
-$ copy sys$input: out
-$ deck
-# descrip.mms: MMS description file for building zlib on VMS
-# written by Martin P.J. Zinser
-# <zinser@zinser.no-ip.info or zinser@sysdev.deutsche-boerse.com>
-
-OBJS = adler32.obj, compress.obj, crc32.obj, gzio.obj, uncompr.obj, infback.obj\
- deflate.obj, trees.obj, zutil.obj, inflate.obj, \
- inftrees.obj, inffast.obj
-
-$ eod
-$ write out "CFLAGS=", ccopt
-$ write out "LOPTS=", lopts
-$ copy sys$input: out
-$ deck
-
-all : example.exe minigzip.exe libz.olb
- @ write sys$output " Example applications available"
-
-libz.olb : libz.olb($(OBJS))
- @ write sys$output " libz available"
-
-example.exe : example.obj libz.olb
- link $(LOPTS) example,libz.olb/lib
-
-minigzip.exe : minigzip.obj libz.olb
- link $(LOPTS) minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib
-
-clean :
- delete *.obj;*,libz.olb;*,*.opt;*,*.exe;*
-
-
-# Other dependencies.
-adler32.obj : adler32.c zutil.h zlib.h zconf.h
-compress.obj : compress.c zlib.h zconf.h
-crc32.obj : crc32.c zutil.h zlib.h zconf.h
-deflate.obj : deflate.c deflate.h zutil.h zlib.h zconf.h
-example.obj : example.c zlib.h zconf.h
-gzio.obj : gzio.c zutil.h zlib.h zconf.h
-inffast.obj : inffast.c zutil.h zlib.h zconf.h inftrees.h inffast.h
-inflate.obj : inflate.c zutil.h zlib.h zconf.h
-inftrees.obj : inftrees.c zutil.h zlib.h zconf.h inftrees.h
-minigzip.obj : minigzip.c zlib.h zconf.h
-trees.obj : trees.c deflate.h zutil.h zlib.h zconf.h
-uncompr.obj : uncompr.c zlib.h zconf.h
-zutil.obj : zutil.c zutil.h zlib.h zconf.h
-infback.obj : infback.c zutil.h inftrees.h inflate.h inffast.h inffixed.h
-$ eod
-$ close out
-$ return
-$!------------------------------------------------------------------------------
-$!
-$! Read list of core library sources from makefile.in and create options
-$! needed to build shareable image
-$!
-$CREA_OLIST:
-$ open/read min makefile.in
-$ open/write mod modules.opt
-$ src_check = "OBJS ="
-$MRLOOP:
-$ read/end=mrdone min rec
-$ if (f$extract(0,6,rec) .nes. src_check) then goto mrloop
-$ rec = rec - src_check
-$ gosub extra_filnam
-$ if (f$element(1,"\",rec) .eqs. "\") then goto mrdone
-$MRSLOOP:
-$ read/end=mrdone min rec
-$ gosub extra_filnam
-$ if (f$element(1,"\",rec) .nes. "\") then goto mrsloop
-$MRDONE:
-$ close min
-$ close mod
-$ return
-$!------------------------------------------------------------------------------
-$!
-$! Take record extracted in crea_olist and split it into single filenames
-$!
-$EXTRA_FILNAM:
-$ myrec = f$edit(rec - "\", "trim,compress")
-$ i = 0
-$FELOOP:
-$ srcfil = f$element(i," ", myrec)
-$ if (srcfil .nes. " ")
-$ then
-$ write mod f$parse(srcfil,,,"NAME"), ".obj"
-$ i = i + 1
-$ goto feloop
-$ endif
-$ return
-$!------------------------------------------------------------------------------
-$!
-$! Find current Zlib version number
-$!
-$FIND_VERSION:
-$ open/read h_in 'v_file'
-$hloop:
-$ read/end=hdone h_in rec
-$ rec = f$edit(rec,"TRIM")
-$ if (f$extract(0,1,rec) .nes. "#") then goto hloop
-$ rec = f$edit(rec - "#", "TRIM")
-$ if f$element(0," ",rec) .nes. "define" then goto hloop
-$ if f$element(1," ",rec) .eqs. v_string
-$ then
-$ version = 'f$element(2," ",rec)'
-$ goto hdone
-$ endif
-$ goto hloop
-$hdone:
-$ close h_in
-$ return
-$!------------------------------------------------------------------------------
-$!
-$! Analyze Object files for OpenVMS AXP to extract Procedure and Data
-$! information to build a symbol vector for a shareable image
-$! All the "brains" of this logic was suggested by Hartmut Becker
-$! (Hartmut.Becker@compaq.com). All the bugs were introduced by me
-$! (zinser@decus.de), so if you do have problem reports please do not
-$! bother Hartmut/HP, but get in touch with me
-$!
-$ ANAL_OBJ_AXP: Subroutine
-$ V = 'F$Verify(0)
-$ SAY := "WRITE_ SYS$OUTPUT"
-$
-$ IF F$SEARCH("''P1'") .EQS. ""
-$ THEN
-$ SAY "ANAL_OBJ_AXP-E-NOSUCHFILE: Error, inputfile ''p1' not available"
-$ goto exit_aa
-$ ENDIF
-$ IF "''P2'" .EQS. ""
-$ THEN
-$ SAY "ANAL_OBJ_AXP: Error, no output file provided"
-$ goto exit_aa
-$ ENDIF
-$
-$ open/read in 'p1
-$ create a.tmp
-$ open/append atmp a.tmp
-$ loop:
-$ read/end=end_loop in line
-$ f= f$search(line)
-$ if f .eqs. ""
-$ then
-$ write sys$output "ANAL_OBJ_AXP-w-nosuchfile, ''line'"
-$ goto loop
-$ endif
-$ define/user sys$output nl:
-$ define/user sys$error nl:
-$ anal/obj/gsd 'f /out=x.tmp
-$ open/read xtmp x.tmp
-$ XLOOP:
-$ read/end=end_xloop xtmp xline
-$ xline = f$edit(xline,"compress")
-$ write atmp xline
-$ goto xloop
-$ END_XLOOP:
-$ close xtmp
-$ goto loop
-$ end_loop:
-$ close in
-$ close atmp
-$ if f$search("a.tmp") .eqs. "" -
- then $ exit
-$ ! all global definitions
-$ search a.tmp "symbol:","EGSY$V_DEF 1","EGSY$V_NORM 1"/out=b.tmp
-$ ! all procedures
-$ search b.tmp "EGSY$V_NORM 1"/wind=(0,1) /out=c.tmp
-$ search c.tmp "symbol:"/out=d.tmp
-$ define/user sys$output nl:
-$ edito/edt/command=sys$input d.tmp
-sub/symbol: "/symbol_vector=(/whole
-sub/"/=PROCEDURE)/whole
-exit
-$ ! all data
-$ search b.tmp "EGSY$V_DEF 1"/wind=(0,1) /out=e.tmp
-$ search e.tmp "symbol:"/out=f.tmp
-$ define/user sys$output nl:
-$ edito/edt/command=sys$input f.tmp
-sub/symbol: "/symbol_vector=(/whole
-sub/"/=DATA)/whole
-exit
-$ sort/nodupl d.tmp,f.tmp 'p2'
-$ delete a.tmp;*,b.tmp;*,c.tmp;*,d.tmp;*,e.tmp;*,f.tmp;*
-$ if f$search("x.tmp") .nes. "" -
- then $ delete x.tmp;*
-$!
-$ EXIT_AA:
-$ if V then set verify
-$ endsubroutine
-$!------------------------------------------------------------------------------
+++ /dev/null
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <winver.h>
-
-#define VER_FILEVERSION 1,2,2,1828
-#define VER_FILEVERSION_STR "1.2.2.1828"
-#define VER_FILELTVERSION_STR ""
-#define VER_LEGALCOPYRIGHT_STR "© 2005 Jean-loup Gailly <jloup@gzip.org >, Mark Adler <madler@alumni.caltech.edu>"
-//#define VER_COMMENT_STR ""
-
-#define VER_FILEDESCRIPTION_STR "Zlib: general purpose data compression / decompression library"
-#define VER_INTERNALNAME_STR "minigzip"
-#define VER_ORIGINALFILENAME_STR "minigzip.exe"
-#define VER_WWW_STR "http://www.gzip.org/zlib"
-#define VER_COMPANYNAME_STR "Zlib"
-#define VER_LICENSE_STR "(C) 1995-2002 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. Jean-loup Gailly Mark Adler jloup@gzip.org madler@alumni.caltech.edu "
-#define VER_LEGALTRADEMARKS_STR "Zlib®, Zlib®, minigzip®"
-
-#define VER_PRODUCTNAME_STR "Zlib"
-#define VER_PRODUCTVERSION 1,2,2,1828
-#define VER_PRODUCTVERSION_STR "1.2.2.1828"
-
-
-#undef OFFICIAL
-#define FINAL 1
-
-#define GNUWIN32_SPECIALBUILD_STR "GNU for Win32 <gnuwin32.sourceforge.net>"
-
-#define VER_FILETYPE VFT_APP
-#ifndef VER_FILETYPE
-#define VER_FILETYPE VFT_APP
-#endif
-
-#define VER_FILESUBTYPE VFT2_UNKNOWN
-
-#ifndef DEBUG
-#define VER_DEBUG 0
-#else /* DEBUG */
-#define VER_DEBUG VS_FF_DEBUG
-#endif
-
-#ifndef PATCHED
-#define VER_PATCHED 0
-#else /* PATCHED */
-#define VER_PATCHED VS_FF_PATCHED
-#endif
-
-#ifndef OFFICIAL
-#define VER_SPECIALBUILD VS_FF_SPECIALBUILD
-#ifndef VER_SPECIALBUILD_STR
-#define VER_SPECIALBUILD_STR GNUWIN32_SPECIALBUILD_STR
-#endif
-#else /* OFFICIAL */
-#define VER_SPECIALBUILD 0
-#endif /* OFFICIAL */
-
-#ifndef FINAL
-#define VER_PRIVATEBUILD VS_FF_PRIVATEBUILD
-#ifndef VER_PRIVATEBUILD_STR
-#define VER_PRIVATEBUILD_STR "Pre-release"
-#endif /* VER_PRIVATEBUILD_STR */
-#define VER_PRERELEASE VS_FF_PRERELEASE
-#else /* FINAL */
-#define VER_PRIVATEBUILD 0
-#define VER_PRERELEASE 0
-#endif /* FINAL */
-
-#define VER_FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
-#define VER_FILEFLAGS (VER_PRIVATEBUILD|VER_SPECIALBUILD|VER_PRERELEASE|VER_DEBUG|VER_PATCHED)
-
-#define VER_FILEOS VOS__WINDOWS32
-
-#ifdef RC_INVOKED
-
-VS_VERSION_INFO VERSIONINFO
-FILEVERSION VER_FILEVERSION
-PRODUCTVERSION VER_PRODUCTVERSION
-FILEFLAGSMASK VER_FILEFLAGSMASK
-FILEFLAGS VER_FILEFLAGS
-FILEOS VER_FILEOS
-FILETYPE VER_FILETYPE
-FILESUBTYPE VER_FILESUBTYPE
-
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN
- BLOCK "040904E4"
- /* language ID = U.S. English, char set = Windows, Multilingual */
- BEGIN
-#ifdef VER_COMMENT_STR
- VALUE "Comments", VER_COMMENT_STR
-#endif
- VALUE "CompanyName", VER_COMPANYNAME_STR
- VALUE "License", VER_LICENSE_STR
- VALUE "FileDescription", VER_FILEDESCRIPTION_STR
- VALUE "FileVersion", VER_FILEVERSION_STR
-#if !(VER_FILETYPE-VFT_DLL)
- VALUE "LibToolFileVersion",VER_FILELTVERSION_STR
-#endif
- VALUE "InternalName", VER_INTERNALNAME_STR
-#ifdef VER_LEGALCOPYRIGHT_STR
- VALUE "LegalCopyright", VER_LEGALCOPYRIGHT_STR
-#endif
-#ifdef VER_LEGALTRADEMARKS_STR
- VALUE "LegalTrademarks", VER_LEGALTRADEMARKS_STR
-#endif
- VALUE "OriginalFilename", VER_ORIGINALFILENAME_STR
- VALUE "ProductName", VER_PRODUCTNAME_STR
- VALUE "ProductVersion", VER_PRODUCTVERSION_STR
-#ifdef VER_PATCHLEVEL_STR
- VALUE "Patch level", VER_PATCHLEVEL_STR
-#endif
-#ifdef VER_PRIVATEBUILD_STR
- VALUE "PrivateBuild", VER_PRIVATEBUILD_STR
-#endif
-#ifdef VER_SPECIALBUILD_STR
- VALUE "SpecialBuild", VER_SPECIALBUILD_STR
-#endif
-#ifdef VER_AUTHOR_STR
- VALUE "Authors", VER_AUTHOR_STR
-#endif
-#ifdef VER_WWW_STR
- VALUE "WWW", VER_WWW_STR
-#endif
-END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x409, 1252
- END
-END
-
-#endif /* RC_INVOKED */
-500 ICON MOVEABLE PURE LOADONCALL DISCARDABLE "zlib.ico"
+++ /dev/null
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <winver.h>
-
-#define VER_FILEVERSION 1,2,1,1429
-#define VER_FILEVERSION_STR "1.2.1.1429"
-#define VER_FILELTVERSION_STR ""
-#define VER_LEGALCOPYRIGHT_STR "© 2003 Jean-loup Gailly <jloup@gzip.org >, Mark Adler <madler@alumni.caltech.edu>"
-//#define VER_COMMENT_STR ""
-
-#define VER_FILEDESCRIPTION_STR "Zlib: general purpose data compression / decompression library"
-#define VER_INTERNALNAME_STR "minigzip-static"
-#define VER_ORIGINALFILENAME_STR "minigzip-static.exe"
-#define VER_WWW_STR "http://www.gzip.org/zlib"
-#define VER_COMPANYNAME_STR "Zlib"
-#define VER_LICENSE_STR " (C) 1995-2002 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. Jean-loup Gailly Mark Adler jloup@gzip.org madler@alumni.caltech.edu"
-#define VER_LEGALTRADEMARKS_STR "Zlib®, minigzip-static®"
-
-#define VER_PRODUCTNAME_STR "Zlib"
-#define VER_PRODUCTVERSION 1,2,1,1429
-#define VER_PRODUCTVERSION_STR "1.2.1.1429"
-
-#undef OFFICIAL
-#define FINAL 1
-
-#define GNUWIN32_SPECIALBUILD_STR "GNU for Win32 <gnuwin32.sourceforge.net>"
-
-#define VER_FILETYPE VFT_APP
-#ifndef VER_FILETYPE
-#define VER_FILETYPE VFT_APP
-#endif
-
-#define VER_FILESUBTYPE VFT2_UNKNOWN
-
-#ifndef DEBUG
-#define VER_DEBUG 0
-#else /* DEBUG */
-#define VER_DEBUG VS_FF_DEBUG
-#endif
-
-#ifndef PATCHED
-#define VER_PATCHED 0
-#else /* PATCHED */
-#define VER_PATCHED VS_FF_PATCHED
-#endif
-
-#ifndef OFFICIAL
-#define VER_SPECIALBUILD VS_FF_SPECIALBUILD
-#ifndef VER_SPECIALBUILD_STR
-#define VER_SPECIALBUILD_STR GNUWIN32_SPECIALBUILD_STR
-#endif
-#else /* OFFICIAL */
-#define VER_SPECIALBUILD 0
-#endif /* OFFICIAL */
-
-#ifndef FINAL
-#define VER_PRIVATEBUILD VS_FF_PRIVATEBUILD
-#ifndef VER_PRIVATEBUILD_STR
-#define VER_PRIVATEBUILD_STR "Pre-release"
-#endif /* VER_PRIVATEBUILD_STR */
-#define VER_PRERELEASE VS_FF_PRERELEASE
-#else /* FINAL */
-#define VER_PRIVATEBUILD 0
-#define VER_PRERELEASE 0
-#endif /* FINAL */
-
-#define VER_FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
-#define VER_FILEFLAGS (VER_PRIVATEBUILD|VER_SPECIALBUILD|VER_PRERELEASE|VER_DEBUG|VER_PATCHED)
-
-#define VER_FILEOS VOS__WINDOWS32
-
-#ifdef RC_INVOKED
-
-VS_VERSION_INFO VERSIONINFO
-FILEVERSION VER_FILEVERSION
-PRODUCTVERSION VER_PRODUCTVERSION
-FILEFLAGSMASK VER_FILEFLAGSMASK
-FILEFLAGS VER_FILEFLAGS
-FILEOS VER_FILEOS
-FILETYPE VER_FILETYPE
-FILESUBTYPE VER_FILESUBTYPE
-
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN
- BLOCK "040904E4"
- /* language ID = U.S. English, char set = Windows, Multilingual */
- BEGIN
-#ifdef VER_COMMENT_STR
- VALUE "Comments", VER_COMMENT_STR
-#endif
- VALUE "CompanyName", VER_COMPANYNAME_STR
- VALUE "License", VER_LICENSE_STR
- VALUE "FileDescription", VER_FILEDESCRIPTION_STR
- VALUE "FileVersion", VER_FILEVERSION_STR
-#if !(VER_FILETYPE-VFT_DLL)
- VALUE "LibToolFileVersion",VER_FILELTVERSION_STR
-#endif
- VALUE "InternalName", VER_INTERNALNAME_STR
-#ifdef VER_LEGALCOPYRIGHT_STR
- VALUE "LegalCopyright", VER_LEGALCOPYRIGHT_STR
-#endif
-#ifdef VER_LEGALTRADEMARKS_STR
- VALUE "LegalTrademarks", VER_LEGALTRADEMARKS_STR
-#endif
- VALUE "OriginalFilename", VER_ORIGINALFILENAME_STR
- VALUE "ProductName", VER_PRODUCTNAME_STR
- VALUE "ProductVersion", VER_PRODUCTVERSION_STR
-#ifdef VER_PATCHLEVEL_STR
- VALUE "Patch level", VER_PATCHLEVEL_STR
-#endif
-#ifdef VER_PRIVATEBUILD_STR
- VALUE "PrivateBuild", VER_PRIVATEBUILD_STR
-#endif
-#ifdef VER_SPECIALBUILD_STR
- VALUE "SpecialBuild", VER_SPECIALBUILD_STR
-#endif
-END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x409, 1252
- END
-END
-
-#endif /* RC_INVOKED */
-500 ICON MOVEABLE PURE LOADONCALL DISCARDABLE "zlib.ico"
+++ /dev/null
-/* minigzip.c -- simulate gzip using the zlib compression library
- * Copyright (C) 1995-2005 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/*
- * minigzip is a minimal implementation of the gzip utility. This is
- * only an example of using zlib and isn't meant to replace the
- * full-featured gzip. No attempt is made to deal with file systems
- * limiting names to 14 or 8+3 characters, etc... Error checking is
- * very limited. So use minigzip only for testing; use gzip for the
- * real thing. On MSDOS, use only on file names without extension
- * or in pipe mode.
- */
-
-/* @(#) $Id$ */
-
-#include <stdio.h>
-#include "zlib.h"
-
-#ifdef STDC
-# include <string.h>
-# include <stdlib.h>
-#endif
-
-#ifdef USE_MMAP
-# include <sys/types.h>
-# include <sys/mman.h>
-# include <sys/stat.h>
-#endif
-
-#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
-# include <fcntl.h>
-# include <io.h>
-# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
-#else
-# define SET_BINARY_MODE(file)
-#endif
-
-#ifdef VMS
-# define unlink delete
-# define GZ_SUFFIX "-gz"
-#endif
-#ifdef RISCOS
-# define unlink remove
-# define GZ_SUFFIX "-gz"
-# define fileno(file) file->__file
-#endif
-#if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
-# include <unix.h> /* for fileno */
-#endif
-
-#ifndef WIN32 /* unlink already in stdio.h for WIN32 */
- extern int unlink OF((const char *));
-#endif
-
-#ifndef GZ_SUFFIX
-# define GZ_SUFFIX ".gz"
-#endif
-#define SUFFIX_LEN (sizeof(GZ_SUFFIX)-1)
-
-#define BUFLEN 16384
-#define MAX_NAME_LEN 1024
-
-#ifdef MAXSEG_64K
-# define local static
- /* Needed for systems with limitation on stack size. */
-#else
-# define local
-#endif
-
-char *prog;
-
-void error OF((const char *msg));
-void gz_compress OF((FILE *in, gzFile out));
-#ifdef USE_MMAP
-int gz_compress_mmap OF((FILE *in, gzFile out));
-#endif
-void gz_uncompress OF((gzFile in, FILE *out));
-void file_compress OF((char *file, char *mode));
-void file_uncompress OF((char *file));
-int main OF((int argc, char *argv[]));
-
-/* ===========================================================================
- * Display error message and exit
- */
-void error(msg)
- const char *msg;
-{
- fprintf(stderr, "%s: %s\n", prog, msg);
- exit(1);
-}
-
-/* ===========================================================================
- * Compress input to output then close both files.
- */
-
-void gz_compress(in, out)
- FILE *in;
- gzFile out;
-{
- local char buf[BUFLEN];
- int len;
- int err;
-
-#ifdef USE_MMAP
- /* Try first compressing with mmap. If mmap fails (minigzip used in a
- * pipe), use the normal fread loop.
- */
- if (gz_compress_mmap(in, out) == Z_OK) return;
-#endif
- for (;;) {
- len = (int)fread(buf, 1, sizeof(buf), in);
- if (ferror(in)) {
- perror("fread");
- exit(1);
- }
- if (len == 0) break;
-
- if (gzwrite(out, buf, (unsigned)len) != len) error(gzerror(out, &err));
- }
- fclose(in);
- if (gzclose(out) != Z_OK) error("failed gzclose");
-}
-
-#ifdef USE_MMAP /* MMAP version, Miguel Albrecht <malbrech@eso.org> */
-
-/* Try compressing the input file at once using mmap. Return Z_OK if
- * if success, Z_ERRNO otherwise.
- */
-int gz_compress_mmap(in, out)
- FILE *in;
- gzFile out;
-{
- int len;
- int err;
- int ifd = fileno(in);
- caddr_t buf; /* mmap'ed buffer for the entire input file */
- off_t buf_len; /* length of the input file */
- struct stat sb;
-
- /* Determine the size of the file, needed for mmap: */
- if (fstat(ifd, &sb) < 0) return Z_ERRNO;
- buf_len = sb.st_size;
- if (buf_len <= 0) return Z_ERRNO;
-
- /* Now do the actual mmap: */
- buf = mmap((caddr_t) 0, buf_len, PROT_READ, MAP_SHARED, ifd, (off_t)0);
- if (buf == (caddr_t)(-1)) return Z_ERRNO;
-
- /* Compress the whole file at once: */
- len = gzwrite(out, (char *)buf, (unsigned)buf_len);
-
- if (len != (int)buf_len) error(gzerror(out, &err));
-
- munmap(buf, buf_len);
- fclose(in);
- if (gzclose(out) != Z_OK) error("failed gzclose");
- return Z_OK;
-}
-#endif /* USE_MMAP */
-
-/* ===========================================================================
- * Uncompress input to output then close both files.
- */
-void gz_uncompress(in, out)
- gzFile in;
- FILE *out;
-{
- local char buf[BUFLEN];
- int len;
- int err;
-
- for (;;) {
- len = gzread(in, buf, sizeof(buf));
- if (len < 0) error (gzerror(in, &err));
- if (len == 0) break;
-
- if ((int)fwrite(buf, 1, (unsigned)len, out) != len) {
- error("failed fwrite");
- }
- }
- if (fclose(out)) error("failed fclose");
-
- if (gzclose(in) != Z_OK) error("failed gzclose");
-}
-
-
-/* ===========================================================================
- * Compress the given file: create a corresponding .gz file and remove the
- * original.
- */
-void file_compress(file, mode)
- char *file;
- char *mode;
-{
- local char outfile[MAX_NAME_LEN];
- FILE *in;
- gzFile out;
-
- strcpy(outfile, file);
- strcat(outfile, GZ_SUFFIX);
-
- in = fopen(file, "rb");
- if (in == NULL) {
- perror(file);
- exit(1);
- }
- out = gzopen(outfile, mode);
- if (out == NULL) {
- fprintf(stderr, "%s: can't gzopen %s\n", prog, outfile);
- exit(1);
- }
- gz_compress(in, out);
-
- unlink(file);
-}
-
-
-/* ===========================================================================
- * Uncompress the given file and remove the original.
- */
-void file_uncompress(file)
- char *file;
-{
- local char buf[MAX_NAME_LEN];
- char *infile, *outfile;
- FILE *out;
- gzFile in;
- uInt len = (uInt)strlen(file);
-
- strcpy(buf, file);
-
- if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
- infile = file;
- outfile = buf;
- outfile[len-3] = '\0';
- } else {
- outfile = file;
- infile = buf;
- strcat(infile, GZ_SUFFIX);
- }
- in = gzopen(infile, "rb");
- if (in == NULL) {
- fprintf(stderr, "%s: can't gzopen %s\n", prog, infile);
- exit(1);
- }
- out = fopen(outfile, "wb");
- if (out == NULL) {
- perror(file);
- exit(1);
- }
-
- gz_uncompress(in, out);
-
- unlink(infile);
-}
-
-
-/* ===========================================================================
- * Usage: minigzip [-d] [-f] [-h] [-r] [-1 to -9] [files...]
- * -d : decompress
- * -f : compress with Z_FILTERED
- * -h : compress with Z_HUFFMAN_ONLY
- * -r : compress with Z_RLE
- * -1 to -9 : compression level
- */
-
-int main(argc, argv)
- int argc;
- char *argv[];
-{
- int uncompr = 0;
- gzFile file;
- char outmode[20];
-
- strcpy(outmode, "wb6 ");
-
- prog = argv[0];
- argc--, argv++;
-
- while (argc > 0) {
- if (strcmp(*argv, "-d") == 0)
- uncompr = 1;
- else if (strcmp(*argv, "-f") == 0)
- outmode[3] = 'f';
- else if (strcmp(*argv, "-h") == 0)
- outmode[3] = 'h';
- else if (strcmp(*argv, "-r") == 0)
- outmode[3] = 'R';
- else if ((*argv)[0] == '-' && (*argv)[1] >= '1' && (*argv)[1] <= '9' &&
- (*argv)[2] == 0)
- outmode[2] = (*argv)[1];
- else
- break;
- argc--, argv++;
- }
- if (outmode[3] == ' ')
- outmode[3] = 0;
- if (argc == 0) {
- SET_BINARY_MODE(stdin);
- SET_BINARY_MODE(stdout);
- if (uncompr) {
- file = gzdopen(fileno(stdin), "rb");
- if (file == NULL) error("can't gzdopen stdin");
- gz_uncompress(file, stdout);
- } else {
- file = gzdopen(fileno(stdout), outmode);
- if (file == NULL) error("can't gzdopen stdout");
- gz_compress(stdin, file);
- }
- } else {
- do {
- if (uncompr) {
- file_uncompress(*argv);
- } else {
- file_compress(*argv, outmode);
- }
- } while (argv++, --argc);
- }
- return 0;
-}
+++ /dev/null
-# Makefile for zlib
-# Borland C++
-# Last updated: 15-Mar-2003
-
-# To use, do "make -fmakefile.bor"
-# To compile in small model, set below: MODEL=s
-
-# WARNING: the small model is supported but only for small values of
-# MAX_WBITS and MAX_MEM_LEVEL. For example:
-# -DMAX_WBITS=11 -DDEF_WBITS=11 -DMAX_MEM_LEVEL=3
-# If you wish to reduce the memory requirements (default 256K for big
-# objects plus a few K), you can add to the LOC macro below:
-# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14
-# See zconf.h for details about the memory requirements.
-
-# ------------ Turbo C++, Borland C++ ------------
-
-# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7)
-# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added
-# to the declaration of LOC here:
-LOC = $(LOCAL_ZLIB)
-
-# type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc.
-CPU_TYP = 0
-
-# memory model: one of s, m, c, l (small, medium, compact, large)
-MODEL=l
-
-# replace bcc with tcc for Turbo C++ 1.0, with bcc32 for the 32 bit version
-CC=bcc
-LD=bcc
-AR=tlib
-
-# compiler flags
-# replace "-O2" by "-O -G -a -d" for Turbo C++ 1.0
-CFLAGS=-O2 -Z -m$(MODEL) $(LOC)
-
-LDFLAGS=-m$(MODEL) -f-
-
-
-# variables
-ZLIB_LIB = zlib_$(MODEL).lib
-
-OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj
-OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj
-OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infback.obj
-OBJP2 = +inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj
-
-
-# targets
-all: $(ZLIB_LIB) example.exe minigzip.exe
-
-.c.obj:
- $(CC) -c $(CFLAGS) $*.c
-
-adler32.obj: adler32.c zlib.h zconf.h
-
-compress.obj: compress.c zlib.h zconf.h
-
-crc32.obj: crc32.c zlib.h zconf.h crc32.h
-
-deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h
-
-gzio.obj: gzio.c zutil.h zlib.h zconf.h
-
-infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h
-
-inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h
-
-trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h
-
-uncompr.obj: uncompr.c zlib.h zconf.h
-
-zutil.obj: zutil.c zutil.h zlib.h zconf.h
-
-example.obj: example.c zlib.h zconf.h
-
-minigzip.obj: minigzip.c zlib.h zconf.h
-
-
-# the command line is cut to fit in the MS-DOS 128 byte limit:
-$(ZLIB_LIB): $(OBJ1) $(OBJ2)
- -del $(ZLIB_LIB)
- $(AR) $(ZLIB_LIB) $(OBJP1)
- $(AR) $(ZLIB_LIB) $(OBJP2)
-
-example.exe: example.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB)
-
-minigzip.exe: minigzip.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB)
-
-test: example.exe minigzip.exe
- example
- echo hello world | minigzip | minigzip -d
-
-clean:
- -del *.obj
- -del *.lib
- -del *.exe
- -del zlib_*.bak
- -del foo.gz
+++ /dev/null
-# Makefile for zlib. Modified for djgpp v2.0 by F. J. Donahoe, 3/15/96.
-# Copyright (C) 1995-1998 Jean-loup Gailly.
-# For conditions of distribution and use, see copyright notice in zlib.h
-
-# To compile, or to compile and test, type:
-#
-# make -fmakefile.dj2; make test -fmakefile.dj2
-#
-# To install libz.a, zconf.h and zlib.h in the djgpp directories, type:
-#
-# make install -fmakefile.dj2
-#
-# after first defining LIBRARY_PATH and INCLUDE_PATH in djgpp.env as
-# in the sample below if the pattern of the DJGPP distribution is to
-# be followed. Remember that, while <sp>'es around <=> are ignored in
-# makefiles, they are *not* in batch files or in djgpp.env.
-# - - - - -
-# [make]
-# INCLUDE_PATH=%\>;INCLUDE_PATH%%\DJDIR%\include
-# LIBRARY_PATH=%\>;LIBRARY_PATH%%\DJDIR%\lib
-# BUTT=-m486
-# - - - - -
-# Alternately, these variables may be defined below, overriding the values
-# in djgpp.env, as
-# INCLUDE_PATH=c:\usr\include
-# LIBRARY_PATH=c:\usr\lib
-
-CC=gcc
-
-#CFLAGS=-MMD -O
-#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
-#CFLAGS=-MMD -g -DDEBUG
-CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
- -Wstrict-prototypes -Wmissing-prototypes
-
-# If cp.exe is available, replace "copy /Y" with "cp -fp" .
-CP=copy /Y
-# If gnu install.exe is available, replace $(CP) with ginstall.
-INSTALL=$(CP)
-# The default value of RM is "rm -f." If "rm.exe" is found, comment out:
-RM=del
-LDLIBS=-L. -lz
-LD=$(CC) -s -o
-LDSHARED=$(CC)
-
-INCL=zlib.h zconf.h
-LIBS=libz.a
-
-AR=ar rcs
-
-prefix=/usr/local
-exec_prefix = $(prefix)
-
-OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infback.o inftrees.o inffast.o
-
-OBJA =
-# to use the asm code: make OBJA=match.o
-
-TEST_OBJS = example.o minigzip.o
-
-all: example.exe minigzip.exe
-
-check: test
-test: all
- ./example
- echo hello world | .\minigzip | .\minigzip -d
-
-%.o : %.c
- $(CC) $(CFLAGS) -c $< -o $@
-
-libz.a: $(OBJS) $(OBJA)
- $(AR) $@ $(OBJS) $(OBJA)
-
-%.exe : %.o $(LIBS)
- $(LD) $@ $< $(LDLIBS)
-
-# INCLUDE_PATH and LIBRARY_PATH were set for [make] in djgpp.env .
-
-.PHONY : uninstall clean
-
-install: $(INCL) $(LIBS)
- -@if not exist $(INCLUDE_PATH)\nul mkdir $(INCLUDE_PATH)
- -@if not exist $(LIBRARY_PATH)\nul mkdir $(LIBRARY_PATH)
- $(INSTALL) zlib.h $(INCLUDE_PATH)
- $(INSTALL) zconf.h $(INCLUDE_PATH)
- $(INSTALL) libz.a $(LIBRARY_PATH)
-
-uninstall:
- $(RM) $(INCLUDE_PATH)\zlib.h
- $(RM) $(INCLUDE_PATH)\zconf.h
- $(RM) $(LIBRARY_PATH)\libz.a
-
-clean:
- $(RM) *.d
- $(RM) *.o
- $(RM) *.exe
- $(RM) libz.a
- $(RM) foo.gz
-
-DEPS := $(wildcard *.d)
-ifneq ($(DEPS),)
-include $(DEPS)
-endif
+++ /dev/null
-# Makefile for zlib. Modified for emx 0.9c by Chr. Spieler, 6/17/98.
-# Copyright (C) 1995-1998 Jean-loup Gailly.
-# For conditions of distribution and use, see copyright notice in zlib.h
-
-# To compile, or to compile and test, type:
-#
-# make -fmakefile.emx; make test -fmakefile.emx
-#
-
-CC=gcc
-
-#CFLAGS=-MMD -O
-#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
-#CFLAGS=-MMD -g -DDEBUG
-CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
- -Wstrict-prototypes -Wmissing-prototypes
-
-# If cp.exe is available, replace "copy /Y" with "cp -fp" .
-CP=copy /Y
-# If gnu install.exe is available, replace $(CP) with ginstall.
-INSTALL=$(CP)
-# The default value of RM is "rm -f." If "rm.exe" is found, comment out:
-RM=del
-LDLIBS=-L. -lzlib
-LD=$(CC) -s -o
-LDSHARED=$(CC)
-
-INCL=zlib.h zconf.h
-LIBS=zlib.a
-
-AR=ar rcs
-
-prefix=/usr/local
-exec_prefix = $(prefix)
-
-OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infback.o inftrees.o inffast.o
-
-TEST_OBJS = example.o minigzip.o
-
-all: example.exe minigzip.exe
-
-test: all
- ./example
- echo hello world | .\minigzip | .\minigzip -d
-
-%.o : %.c
- $(CC) $(CFLAGS) -c $< -o $@
-
-zlib.a: $(OBJS)
- $(AR) $@ $(OBJS)
-
-%.exe : %.o $(LIBS)
- $(LD) $@ $< $(LDLIBS)
-
-
-.PHONY : clean
-
-clean:
- $(RM) *.d
- $(RM) *.o
- $(RM) *.exe
- $(RM) zlib.a
- $(RM) foo.gz
-
-DEPS := $(wildcard *.d)
-ifneq ($(DEPS),)
-include $(DEPS)
-endif
+++ /dev/null
-# Makefile for zlib
-# Microsoft C 5.1 or later
-# Last updated: 19-Mar-2003
-
-# To use, do "make makefile.msc"
-# To compile in small model, set below: MODEL=S
-
-# If you wish to reduce the memory requirements (default 256K for big
-# objects plus a few K), you can add to the LOC macro below:
-# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14
-# See zconf.h for details about the memory requirements.
-
-# ------------- Microsoft C 5.1 and later -------------
-
-# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7)
-# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added
-# to the declaration of LOC here:
-LOC = $(LOCAL_ZLIB)
-
-# Type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc.
-CPU_TYP = 0
-
-# Memory model: one of S, M, C, L (small, medium, compact, large)
-MODEL=L
-
-CC=cl
-CFLAGS=-nologo -A$(MODEL) -G$(CPU_TYP) -W3 -Oait -Gs $(LOC)
-#-Ox generates bad code with MSC 5.1
-LIB_CFLAGS=-Zl $(CFLAGS)
-
-LD=link
-LDFLAGS=/noi/e/st:0x1500/noe/farcall/packcode
-# "/farcall/packcode" are only useful for `large code' memory models
-# but should be a "no-op" for small code models.
-
-
-# variables
-ZLIB_LIB = zlib_$(MODEL).lib
-
-OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj
-OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj
-
-
-# targets
-all: $(ZLIB_LIB) example.exe minigzip.exe
-
-.c.obj:
- $(CC) -c $(LIB_CFLAGS) $*.c
-
-adler32.obj: adler32.c zlib.h zconf.h
-
-compress.obj: compress.c zlib.h zconf.h
-
-crc32.obj: crc32.c zlib.h zconf.h crc32.h
-
-deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h
-
-gzio.obj: gzio.c zutil.h zlib.h zconf.h
-
-infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h
-
-inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h
-
-trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h
-
-uncompr.obj: uncompr.c zlib.h zconf.h
-
-zutil.obj: zutil.c zutil.h zlib.h zconf.h
-
-example.obj: example.c zlib.h zconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-minigzip.obj: minigzip.c zlib.h zconf.h
- $(CC) -c $(CFLAGS) $*.c
-
-
-# the command line is cut to fit in the MS-DOS 128 byte limit:
-$(ZLIB_LIB): $(OBJ1) $(OBJ2)
- if exist $(ZLIB_LIB) del $(ZLIB_LIB)
- lib $(ZLIB_LIB) $(OBJ1);
- lib $(ZLIB_LIB) $(OBJ2);
-
-example.exe: example.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) example.obj,,,$(ZLIB_LIB);
-
-minigzip.exe: minigzip.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) minigzip.obj,,,$(ZLIB_LIB);
-
-test: example.exe minigzip.exe
- example
- echo hello world | minigzip | minigzip -d
-
-clean:
- -del *.obj
- -del *.lib
- -del *.exe
- -del *.map
- -del zlib_*.bak
- -del foo.gz
+++ /dev/null
-# Makefile for zlib
-# Turbo C 2.01, Turbo C++ 1.01
-# Last updated: 15-Mar-2003
-
-# To use, do "make -fmakefile.tc"
-# To compile in small model, set below: MODEL=s
-
-# WARNING: the small model is supported but only for small values of
-# MAX_WBITS and MAX_MEM_LEVEL. For example:
-# -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3
-# If you wish to reduce the memory requirements (default 256K for big
-# objects plus a few K), you can add to CFLAGS below:
-# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14
-# See zconf.h for details about the memory requirements.
-
-# ------------ Turbo C 2.01, Turbo C++ 1.01 ------------
-MODEL=l
-CC=tcc
-LD=tcc
-AR=tlib
-# CFLAGS=-O2 -G -Z -m$(MODEL) -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3
-CFLAGS=-O2 -G -Z -m$(MODEL)
-LDFLAGS=-m$(MODEL) -f-
-
-
-# variables
-ZLIB_LIB = zlib_$(MODEL).lib
-
-OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj
-OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj
-OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infback.obj
-OBJP2 = +inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj
-
-
-# targets
-all: $(ZLIB_LIB) example.exe minigzip.exe
-
-.c.obj:
- $(CC) -c $(CFLAGS) $*.c
-
-adler32.obj: adler32.c zlib.h zconf.h
-
-compress.obj: compress.c zlib.h zconf.h
-
-crc32.obj: crc32.c zlib.h zconf.h crc32.h
-
-deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h
-
-gzio.obj: gzio.c zutil.h zlib.h zconf.h
-
-infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h
-
-inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h
-
-trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h
-
-uncompr.obj: uncompr.c zlib.h zconf.h
-
-zutil.obj: zutil.c zutil.h zlib.h zconf.h
-
-example.obj: example.c zlib.h zconf.h
-
-minigzip.obj: minigzip.c zlib.h zconf.h
-
-
-# the command line is cut to fit in the MS-DOS 128 byte limit:
-$(ZLIB_LIB): $(OBJ1) $(OBJ2)
- -del $(ZLIB_LIB)
- $(AR) $(ZLIB_LIB) $(OBJP1)
- $(AR) $(ZLIB_LIB) $(OBJP2)
-
-example.exe: example.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB)
-
-minigzip.exe: minigzip.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB)
-
-test: example.exe minigzip.exe
- example
- echo hello world | minigzip | minigzip -d
-
-clean:
- -del *.obj
- -del *.lib
- -del *.exe
- -del zlib_*.bak
- -del foo.gz
+++ /dev/null
-# Project: zlib_1_03
-# Patched for zlib 1.1.2 rw@shadow.org.uk 19980430
-# test works out-of-the-box, installs `somewhere' on demand
-
-# Toolflags:
-CCflags = -c -depend !Depend -IC: -g -throwback -DRISCOS -fah
-C++flags = -c -depend !Depend -IC: -throwback
-Linkflags = -aif -c++ -o $@
-ObjAsmflags = -throwback -NoCache -depend !Depend
-CMHGflags =
-LibFileflags = -c -l -o $@
-Squeezeflags = -o $@
-
-# change the line below to where _you_ want the library installed.
-libdest = lib:zlib
-
-# Final targets:
-@.lib: @.o.adler32 @.o.compress @.o.crc32 @.o.deflate @.o.gzio \
- @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil @.o.trees \
- @.o.uncompr @.o.zutil
- LibFile $(LibFileflags) @.o.adler32 @.o.compress @.o.crc32 @.o.deflate \
- @.o.gzio @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil \
- @.o.trees @.o.uncompr @.o.zutil
-test: @.minigzip @.example @.lib
- @copy @.lib @.libc A~C~DF~L~N~P~Q~RS~TV
- @echo running tests: hang on.
- @/@.minigzip -f -9 libc
- @/@.minigzip -d libc-gz
- @/@.minigzip -f -1 libc
- @/@.minigzip -d libc-gz
- @/@.minigzip -h -9 libc
- @/@.minigzip -d libc-gz
- @/@.minigzip -h -1 libc
- @/@.minigzip -d libc-gz
- @/@.minigzip -9 libc
- @/@.minigzip -d libc-gz
- @/@.minigzip -1 libc
- @/@.minigzip -d libc-gz
- @diff @.lib @.libc
- @echo that should have reported '@.lib and @.libc identical' if you have diff.
- @/@.example @.fred @.fred
- @echo that will have given lots of hello!'s.
-
-@.minigzip: @.o.minigzip @.lib C:o.Stubs
- Link $(Linkflags) @.o.minigzip @.lib C:o.Stubs
-@.example: @.o.example @.lib C:o.Stubs
- Link $(Linkflags) @.o.example @.lib C:o.Stubs
-
-install: @.lib
- cdir $(libdest)
- cdir $(libdest).h
- @copy @.h.zlib $(libdest).h.zlib A~C~DF~L~N~P~Q~RS~TV
- @copy @.h.zconf $(libdest).h.zconf A~C~DF~L~N~P~Q~RS~TV
- @copy @.lib $(libdest).lib A~C~DF~L~N~P~Q~RS~TV
- @echo okay, installed zlib in $(libdest)
-
-clean:; remove @.minigzip
- remove @.example
- remove @.libc
- -wipe @.o.* F~r~cV
- remove @.fred
-
-# User-editable dependencies:
-.c.o:
- cc $(ccflags) -o $@ $<
-
-# Static dependencies:
-
-# Dynamic dependencies:
-o.example: c.example
-o.example: h.zlib
-o.example: h.zconf
-o.minigzip: c.minigzip
-o.minigzip: h.zlib
-o.minigzip: h.zconf
-o.adler32: c.adler32
-o.adler32: h.zlib
-o.adler32: h.zconf
-o.compress: c.compress
-o.compress: h.zlib
-o.compress: h.zconf
-o.crc32: c.crc32
-o.crc32: h.zlib
-o.crc32: h.zconf
-o.deflate: c.deflate
-o.deflate: h.deflate
-o.deflate: h.zutil
-o.deflate: h.zlib
-o.deflate: h.zconf
-o.gzio: c.gzio
-o.gzio: h.zutil
-o.gzio: h.zlib
-o.gzio: h.zconf
-o.infblock: c.infblock
-o.infblock: h.zutil
-o.infblock: h.zlib
-o.infblock: h.zconf
-o.infblock: h.infblock
-o.infblock: h.inftrees
-o.infblock: h.infcodes
-o.infblock: h.infutil
-o.infcodes: c.infcodes
-o.infcodes: h.zutil
-o.infcodes: h.zlib
-o.infcodes: h.zconf
-o.infcodes: h.inftrees
-o.infcodes: h.infblock
-o.infcodes: h.infcodes
-o.infcodes: h.infutil
-o.infcodes: h.inffast
-o.inffast: c.inffast
-o.inffast: h.zutil
-o.inffast: h.zlib
-o.inffast: h.zconf
-o.inffast: h.inftrees
-o.inffast: h.infblock
-o.inffast: h.infcodes
-o.inffast: h.infutil
-o.inffast: h.inffast
-o.inflate: c.inflate
-o.inflate: h.zutil
-o.inflate: h.zlib
-o.inflate: h.zconf
-o.inflate: h.infblock
-o.inftrees: c.inftrees
-o.inftrees: h.zutil
-o.inftrees: h.zlib
-o.inftrees: h.zconf
-o.inftrees: h.inftrees
-o.inftrees: h.inffixed
-o.infutil: c.infutil
-o.infutil: h.zutil
-o.infutil: h.zlib
-o.infutil: h.zconf
-o.infutil: h.infblock
-o.infutil: h.inftrees
-o.infutil: h.infcodes
-o.infutil: h.infutil
-o.trees: c.trees
-o.trees: h.deflate
-o.trees: h.zutil
-o.trees: h.zlib
-o.trees: h.zconf
-o.trees: h.trees
-o.uncompr: c.uncompr
-o.uncompr: h.zlib
-o.uncompr: h.zconf
-o.zutil: c.zutil
-o.zutil: h.zutil
-o.zutil: h.zlib
-o.zutil: h.zconf
+++ /dev/null
-This directory contains files that have not been updated for zlib 1.2.x
-
-(Volunteers are encouraged to help clean this up. Thanks.)
+++ /dev/null
-# descrip.mms: MMS description file for building zlib on VMS
-# written by Martin P.J. Zinser <m.zinser@gsi.de>
-
-cc_defs =
-c_deb =
-
-.ifdef __DECC__
-pref = /prefix=all
-.endif
-
-OBJS = adler32.obj, compress.obj, crc32.obj, gzio.obj, uncompr.obj,\
- deflate.obj, trees.obj, zutil.obj, inflate.obj, infblock.obj,\
- inftrees.obj, infcodes.obj, infutil.obj, inffast.obj
-
-CFLAGS= $(C_DEB) $(CC_DEFS) $(PREF)
-
-all : example.exe minigzip.exe
- @ write sys$output " Example applications available"
-libz.olb : libz.olb($(OBJS))
- @ write sys$output " libz available"
-
-example.exe : example.obj libz.olb
- link example,libz.olb/lib
-
-minigzip.exe : minigzip.obj libz.olb
- link minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib
-
-clean :
- delete *.obj;*,libz.olb;*
-
-
-# Other dependencies.
-adler32.obj : zutil.h zlib.h zconf.h
-compress.obj : zlib.h zconf.h
-crc32.obj : zutil.h zlib.h zconf.h
-deflate.obj : deflate.h zutil.h zlib.h zconf.h
-example.obj : zlib.h zconf.h
-gzio.obj : zutil.h zlib.h zconf.h
-infblock.obj : zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
-infcodes.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h infcodes.h inffast.h
-inffast.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h inffast.h
-inflate.obj : zutil.h zlib.h zconf.h infblock.h
-inftrees.obj : zutil.h zlib.h zconf.h inftrees.h
-infutil.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h
-minigzip.obj : zlib.h zconf.h
-trees.obj : deflate.h zutil.h zlib.h zconf.h
-uncompr.obj : zlib.h zconf.h
-zutil.obj : zutil.h zlib.h zconf.h
+++ /dev/null
-# Makefile for zlib under OS/2 using GCC (PGCC)
-# For conditions of distribution and use, see copyright notice in zlib.h
-
-# To compile and test, type:
-# cp Makefile.os2 ..
-# cd ..
-# make -f Makefile.os2 test
-
-# This makefile will build a static library z.lib, a shared library
-# z.dll and a import library zdll.lib. You can use either z.lib or
-# zdll.lib by specifying either -lz or -lzdll on gcc's command line
-
-CC=gcc -Zomf -s
-
-CFLAGS=-O6 -Wall
-#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
-#CFLAGS=-g -DDEBUG
-#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-# -Wstrict-prototypes -Wmissing-prototypes
-
-#################### BUG WARNING: #####################
-## infcodes.c hits a bug in pgcc-1.0, so you have to use either
-## -O# where # <= 4 or one of (-fno-ommit-frame-pointer or -fno-force-mem)
-## This bug is reportedly fixed in pgcc >1.0, but this was not tested
-CFLAGS+=-fno-force-mem
-
-LDFLAGS=-s -L. -lzdll -Zcrtdll
-LDSHARED=$(CC) -s -Zomf -Zdll -Zcrtdll
-
-VER=1.1.0
-ZLIB=z.lib
-SHAREDLIB=z.dll
-SHAREDLIBIMP=zdll.lib
-LIBS=$(ZLIB) $(SHAREDLIB) $(SHAREDLIBIMP)
-
-AR=emxomfar cr
-IMPLIB=emximp
-RANLIB=echo
-TAR=tar
-SHELL=bash
-
-prefix=/usr/local
-exec_prefix = $(prefix)
-
-OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
-
-TEST_OBJS = example.o minigzip.o
-
-DISTFILES = README INDEX ChangeLog configure Make*[a-z0-9] *.[ch] descrip.mms \
- algorithm.txt zlib.3 msdos/Make*[a-z0-9] msdos/zlib.def msdos/zlib.rc \
- nt/Makefile.nt nt/zlib.dnt contrib/README.contrib contrib/*.txt \
- contrib/asm386/*.asm contrib/asm386/*.c \
- contrib/asm386/*.bat contrib/asm386/zlibvc.d?? contrib/iostream/*.cpp \
- contrib/iostream/*.h contrib/iostream2/*.h contrib/iostream2/*.cpp \
- contrib/untgz/Makefile contrib/untgz/*.c contrib/untgz/*.w32
-
-all: example.exe minigzip.exe
-
-test: all
- @LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \
- echo hello world | ./minigzip | ./minigzip -d || \
- echo ' *** minigzip test FAILED ***' ; \
- if ./example; then \
- echo ' *** zlib test OK ***'; \
- else \
- echo ' *** zlib test FAILED ***'; \
- fi
-
-$(ZLIB): $(OBJS)
- $(AR) $@ $(OBJS)
- -@ ($(RANLIB) $@ || true) >/dev/null 2>&1
-
-$(SHAREDLIB): $(OBJS) os2/z.def
- $(LDSHARED) -o $@ $^
-
-$(SHAREDLIBIMP): os2/z.def
- $(IMPLIB) -o $@ $^
-
-example.exe: example.o $(LIBS)
- $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS)
-
-minigzip.exe: minigzip.o $(LIBS)
- $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS)
-
-clean:
- rm -f *.o *~ example minigzip libz.a libz.so* foo.gz
-
-distclean: clean
-
-zip:
- mv Makefile Makefile~; cp -p Makefile.in Makefile
- rm -f test.c ztest*.c
- v=`sed -n -e 's/\.//g' -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\
- zip -ul9 zlib$$v $(DISTFILES)
- mv Makefile~ Makefile
-
-dist:
- mv Makefile Makefile~; cp -p Makefile.in Makefile
- rm -f test.c ztest*.c
- d=zlib-`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\
- rm -f $$d.tar.gz; \
- if test ! -d ../$$d; then rm -f ../$$d; ln -s `pwd` ../$$d; fi; \
- files=""; \
- for f in $(DISTFILES); do files="$$files $$d/$$f"; done; \
- cd ..; \
- GZIP=-9 $(TAR) chofz $$d/$$d.tar.gz $$files; \
- if test ! -d $$d; then rm -f $$d; fi
- mv Makefile~ Makefile
-
-tags:
- etags *.[ch]
-
-depend:
- makedepend -- $(CFLAGS) -- *.[ch]
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-adler32.o: zlib.h zconf.h
-compress.o: zlib.h zconf.h
-crc32.o: zlib.h zconf.h
-deflate.o: deflate.h zutil.h zlib.h zconf.h
-example.o: zlib.h zconf.h
-gzio.o: zutil.h zlib.h zconf.h
-infblock.o: infblock.h inftrees.h infcodes.h infutil.h zutil.h zlib.h zconf.h
-infcodes.o: zutil.h zlib.h zconf.h
-infcodes.o: inftrees.h infblock.h infcodes.h infutil.h inffast.h
-inffast.o: zutil.h zlib.h zconf.h inftrees.h
-inffast.o: infblock.h infcodes.h infutil.h inffast.h
-inflate.o: zutil.h zlib.h zconf.h infblock.h
-inftrees.o: zutil.h zlib.h zconf.h inftrees.h
-infutil.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
-minigzip.o: zlib.h zconf.h
-trees.o: deflate.h zutil.h zlib.h zconf.h trees.h
-uncompr.o: zlib.h zconf.h
-zutil.o: zutil.h zlib.h zconf.h
+++ /dev/null
-;
-; Slightly modified version of ../nt/zlib.dnt :-)
-;
-
-LIBRARY Z
-DESCRIPTION "Zlib compression library for OS/2"
-CODE PRELOAD MOVEABLE DISCARDABLE
-DATA PRELOAD MOVEABLE MULTIPLE
-
-EXPORTS
- adler32
- compress
- crc32
- deflate
- deflateCopy
- deflateEnd
- deflateInit2_
- deflateInit_
- deflateParams
- deflateReset
- deflateSetDictionary
- gzclose
- gzdopen
- gzerror
- gzflush
- gzopen
- gzread
- gzwrite
- inflate
- inflateEnd
- inflateInit2_
- inflateInit_
- inflateReset
- inflateSetDictionary
- inflateSync
- uncompress
- zlibVersion
- gzprintf
- gzputc
- gzgetc
- gzseek
- gzrewind
- gztell
- gzeof
- gzsetparams
- zError
- inflateSyncPoint
- get_crc_table
- compress2
- gzputs
- gzgets
+++ /dev/null
-See below some functions declarations for Visual Basic.
-
-Frequently Asked Question:
-
-Q: Each time I use the compress function I get the -5 error (not enough
- room in the output buffer).
-
-A: Make sure that the length of the compressed buffer is passed by
- reference ("as any"), not by value ("as long"). Also check that
- before the call of compress this length is equal to the total size of
- the compressed buffer and not zero.
-
-
-From: "Jon Caruana" <jon-net@usa.net>
-Subject: Re: How to port zlib declares to vb?
-Date: Mon, 28 Oct 1996 18:33:03 -0600
-
-Got the answer! (I haven't had time to check this but it's what I got, and
-looks correct):
-
-He has the following routines working:
- compress
- uncompress
- gzopen
- gzwrite
- gzread
- gzclose
-
-Declares follow: (Quoted from Carlos Rios <c_rios@sonda.cl>, in Vb4 form)
-
-#If Win16 Then 'Use Win16 calls.
-Declare Function compress Lib "ZLIB.DLL" (ByVal compr As
- String, comprLen As Any, ByVal buf As String, ByVal buflen
- As Long) As Integer
-Declare Function uncompress Lib "ZLIB.DLL" (ByVal uncompr
- As String, uncomprLen As Any, ByVal compr As String, ByVal
- lcompr As Long) As Integer
-Declare Function gzopen Lib "ZLIB.DLL" (ByVal filePath As
- String, ByVal mode As String) As Long
-Declare Function gzread Lib "ZLIB.DLL" (ByVal file As
- Long, ByVal uncompr As String, ByVal uncomprLen As Integer)
- As Integer
-Declare Function gzwrite Lib "ZLIB.DLL" (ByVal file As
- Long, ByVal uncompr As String, ByVal uncomprLen As Integer)
- As Integer
-Declare Function gzclose Lib "ZLIB.DLL" (ByVal file As
- Long) As Integer
-#Else
-Declare Function compress Lib "ZLIB32.DLL"
- (ByVal compr As String, comprLen As Any, ByVal buf As
- String, ByVal buflen As Long) As Integer
-Declare Function uncompress Lib "ZLIB32.DLL"
- (ByVal uncompr As String, uncomprLen As Any, ByVal compr As
- String, ByVal lcompr As Long) As Long
-Declare Function gzopen Lib "ZLIB32.DLL"
- (ByVal file As String, ByVal mode As String) As Long
-Declare Function gzread Lib "ZLIB32.DLL"
- (ByVal file As Long, ByVal uncompr As String, ByVal
- uncomprLen As Long) As Long
-Declare Function gzwrite Lib "ZLIB32.DLL"
- (ByVal file As Long, ByVal uncompr As String, ByVal
- uncomprLen As Long) As Long
-Declare Function gzclose Lib "ZLIB32.DLL"
- (ByVal file As Long) As Long
-#End If
-
--Jon Caruana
-jon-net@usa.net
-Microsoft Sitebuilder Network Level 1 Member - HTML Writer's Guild Member
-
-
-Here is another example from Michael <michael_borgsys@hotmail.com> that he
-says conforms to the VB guidelines, and that solves the problem of not
-knowing the uncompressed size by storing it at the end of the file:
-
-'Calling the functions:
-'bracket meaning: <parameter> [optional] {Range of possible values}
-'Call subCompressFile(<path with filename to compress> [, <path with
-filename to write to>, [level of compression {1..9}]])
-'Call subUncompressFile(<path with filename to compress>)
-
-Option Explicit
-Private lngpvtPcnSml As Long 'Stores value for 'lngPercentSmaller'
-Private Const SUCCESS As Long = 0
-Private Const strFilExt As String = ".cpr"
-Private Declare Function lngfncCpr Lib "zlib.dll" Alias "compress2" (ByRef
-dest As Any, ByRef destLen As Any, ByRef src As Any, ByVal srcLen As Long,
-ByVal level As Integer) As Long
-Private Declare Function lngfncUcp Lib "zlib.dll" Alias "uncompress" (ByRef
-dest As Any, ByRef destLen As Any, ByRef src As Any, ByVal srcLen As Long)
-As Long
-
-Public Sub subCompressFile(ByVal strargOriFilPth As String, Optional ByVal
-strargCprFilPth As String, Optional ByVal intLvl As Integer = 9)
- Dim strCprPth As String
- Dim lngOriSiz As Long
- Dim lngCprSiz As Long
- Dim bytaryOri() As Byte
- Dim bytaryCpr() As Byte
- lngOriSiz = FileLen(strargOriFilPth)
- ReDim bytaryOri(lngOriSiz - 1)
- Open strargOriFilPth For Binary Access Read As #1
- Get #1, , bytaryOri()
- Close #1
- strCprPth = IIf(strargCprFilPth = "", strargOriFilPth, strargCprFilPth)
-'Select file path and name
- strCprPth = strCprPth & IIf(Right(strCprPth, Len(strFilExt)) =
-strFilExt, "", strFilExt) 'Add file extension if not exists
- lngCprSiz = (lngOriSiz * 1.01) + 12 'Compression needs temporary a bit
-more space then original file size
- ReDim bytaryCpr(lngCprSiz - 1)
- If lngfncCpr(bytaryCpr(0), lngCprSiz, bytaryOri(0), lngOriSiz, intLvl) =
-SUCCESS Then
- lngpvtPcnSml = (1# - (lngCprSiz / lngOriSiz)) * 100
- ReDim Preserve bytaryCpr(lngCprSiz - 1)
- Open strCprPth For Binary Access Write As #1
- Put #1, , bytaryCpr()
- Put #1, , lngOriSiz 'Add the the original size value to the end
-(last 4 bytes)
- Close #1
- Else
- MsgBox "Compression error"
- End If
- Erase bytaryCpr
- Erase bytaryOri
-End Sub
-
-Public Sub subUncompressFile(ByVal strargFilPth As String)
- Dim bytaryCpr() As Byte
- Dim bytaryOri() As Byte
- Dim lngOriSiz As Long
- Dim lngCprSiz As Long
- Dim strOriPth As String
- lngCprSiz = FileLen(strargFilPth)
- ReDim bytaryCpr(lngCprSiz - 1)
- Open strargFilPth For Binary Access Read As #1
- Get #1, , bytaryCpr()
- Close #1
- 'Read the original file size value:
- lngOriSiz = bytaryCpr(lngCprSiz - 1) * (2 ^ 24) _
- + bytaryCpr(lngCprSiz - 2) * (2 ^ 16) _
- + bytaryCpr(lngCprSiz - 3) * (2 ^ 8) _
- + bytaryCpr(lngCprSiz - 4)
- ReDim Preserve bytaryCpr(lngCprSiz - 5) 'Cut of the original size value
- ReDim bytaryOri(lngOriSiz - 1)
- If lngfncUcp(bytaryOri(0), lngOriSiz, bytaryCpr(0), lngCprSiz) = SUCCESS
-Then
- strOriPth = Left(strargFilPth, Len(strargFilPth) - Len(strFilExt))
- Open strOriPth For Binary Access Write As #1
- Put #1, , bytaryOri()
- Close #1
- Else
- MsgBox "Uncompression error"
- End If
- Erase bytaryCpr
- Erase bytaryOri
-End Sub
-Public Property Get lngPercentSmaller() As Long
- lngPercentSmaller = lngpvtPcnSml
-End Property
+++ /dev/null
-<html>
-<head>
- <title>
- zlib general purpose compression library version 1.1.4
- </title>
-</head>
-<body bgcolor="White" text="Black" vlink="Red" alink="Navy" link="Red">
-<!-- background="zlibbg.gif" -->
-
-<h1> zlib 1.1.4 Manual </h1>
-<hr>
-<a name="Contents"><h2>Contents</h2>
-<ol type="I">
-<li> <a href="#Prologue">Prologue</a>
-<li> <a href="#Introduction">Introduction</a>
-<li> <a href="#Utility functions">Utility functions</a>
-<li> <a href="#Basic functions">Basic functions</a>
-<li> <a href="#Advanced functions">Advanced functions</a>
-<li> <a href="#Constants">Constants</a>
-<li> <a href="#struct z_stream_s">struct z_stream_s</a>
-<li> <a href="#Checksum functions">Checksum functions</a>
-<li> <a href="#Misc">Misc</a>
-</ol>
-<hr>
-<a name="Prologue"><h2> Prologue </h2>
- 'zlib' general purpose compression library version 1.1.4, March 11th, 2002
- <p>
- Copyright (C) 1995-2002 Jean-loup Gailly and Mark Adler
- <p>
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
- <p>
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
- <ol>
- <li> The origin of this software must not be misrepresented ; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- <li> Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- <li> This notice may not be removed or altered from any source distribution.
- </ol>
-
- <dl>
- <dt>Jean-loup Gailly
- <dd><a href="mailto:jloup@gzip.org">jloup@gzip.org</a>
- <dt>Mark Adler
- <dd><a href="mailto:madler@alumni.caltech.edu">madler@alumni.caltech.edu</a>
- </dl>
-
- The data format used by the zlib library is described by RFCs (Request for
- Comments) 1950 to 1952 in the files
- <a href="ftp://ds.internic.net/rfc/rfc1950.txt">
- ftp://ds.internic.net/rfc/rfc1950.txt </a>
- (zlib format),
- <a href="ftp://ds.internic.net/rfc/rfc1951.txt">
- rfc1951.txt </a>
- (<a href="#deflate">deflate</a> format) and
- <a href="ftp://ds.internic.net/rfc/rfc1952.txt">
- rfc1952.txt </a>
- (gzip format).
- <p>
- This manual is converted from zlib.h by
- <a href="mailto:piaip@csie.ntu.edu.tw"> piaip </a>
- <p>
- Visit <a href="http://ftp.cdrom.com/pub/infozip/zlib/">
- http://ftp.cdrom.com/pub/infozip/zlib/</a>
- for the official zlib web page.
- <p>
-
-<hr>
-<a name="Introduction"><h2> Introduction </h2>
- The 'zlib' compression library provides in-memory compression and
- decompression functions, including integrity checks of the uncompressed
- data. This version of the library supports only one compression method
- (deflation) but other algorithms will be added later and will have the same
- stream interface.
- <p>
-
- Compression can be done in a single step if the buffers are large
- enough (for example if an input file is mmap'ed), or can be done by
- repeated calls of the compression function. In the latter case, the
- application must provide more input and/or consume the output
- (providing more output space) before each call.
- <p>
-
- The library also supports reading and writing files in gzip (.gz) format
- with an interface similar to that of stdio.
- <p>
-
- The library does not install any signal handler. The decoder checks
- the consistency of the compressed data, so the library should never
- crash even in case of corrupted input.
- <p>
-
-<hr>
-<a name="Utility functions"><h2> Utility functions </h2>
- The following utility functions are implemented on top of the
- <a href="#Basic functions">basic stream-oriented functions</a>.
- To simplify the interface, some
- default options are assumed (compression level and memory usage,
- standard memory allocation functions). The source code of these
- utility functions can easily be modified if you need special options.
-<h3> Function list </h3>
-<ul>
-<li> int <a href="#compress">compress</a> (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen);
-<li> int <a href="#compress2">compress2</a> (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level);
-<li> int <a href="#uncompress">uncompress</a> (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen);
-<li> typedef voidp gzFile;
-<li> gzFile <a href="#gzopen">gzopen</a> (const char *path, const char *mode);
-<li> gzFile <a href="#gzdopen">gzdopen</a> (int fd, const char *mode);
-<li> int <a href="#gzsetparams">gzsetparams</a> (gzFile file, int level, int strategy);
-<li> int <a href="#gzread">gzread</a> (gzFile file, voidp buf, unsigned len);
-<li> int <a href="#gzwrite">gzwrite</a> (gzFile file, const voidp buf, unsigned len);
-<li> int VA <a href="#gzprintf">gzprintf</a> (gzFile file, const char *format, ...);
-<li> int <a href="#gzputs">gzputs</a> (gzFile file, const char *s);
-<li> char * <a href="#gzgets">gzgets</a> (gzFile file, char *buf, int len);
-<li> int <a href="#gzputc">gzputc</a> (gzFile file, int c);
-<li> int <a href="#gzgetc">gzgetc</a> (gzFile file);
-<li> int <a href="#gzflush">gzflush</a> (gzFile file, int flush);
-<li> z_off_t <a href="#gzseek">gzseek</a> (gzFile file, z_off_t offset, int whence);
-<li> z_off_t <a href="#gztell">gztell</a> (gzFile file);
-<li> int <a href="#gzrewind">gzrewind</a> (gzFile file);
-<li> int <a href="#gzeof">gzeof</a> (gzFile file);
-<li> int <a href="#gzclose">gzclose</a> (gzFile file);
-<li> const char * <a href="#gzerror">gzerror</a> (gzFile file, int *errnum);
-</ul>
-<h3> Function description </h3>
-<dl>
-<font color="Blue"><dt> int <a name="compress">compress</a> (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen);</font>
-<dd>
- Compresses the source buffer into the destination buffer. sourceLen is
- the byte length of the source buffer. Upon entry, destLen is the total
- size of the destination buffer, which must be at least 0.1% larger than
- sourceLen plus 12 bytes. Upon exit, destLen is the actual size of the
- compressed buffer.<p>
- This function can be used to <a href="#compress">compress</a> a whole file at once if the
- input file is mmap'ed.<p>
- <a href="#compress">compress</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not
- enough memory, <a href="#Z_BUF_ERROR">Z_BUF_ERROR</a> if there was not enough room in the output
- buffer.<p>
-
-<font color="Blue"><dt> int <a name="compress2">compress2</a> (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level);</font>
-<dd>
- Compresses the source buffer into the destination buffer. The level
- parameter has the same meaning as in <a href="#deflateInit">deflateInit</a>. sourceLen is the byte
- length of the source buffer. Upon entry, destLen is the total size of the
- destination buffer, which must be at least 0.1% larger than sourceLen plus
- 12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
- <p>
-
- <a href="#compress2">compress2</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not enough
- memory, <a href="#Z_BUF_ERROR">Z_BUF_ERROR</a> if there was not enough room in the output buffer,
- <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the level parameter is invalid.
- <p>
-
-<font color="Blue"><dt> int <a name="uncompress">uncompress</a> (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen);</font>
-<dd>
- Decompresses the source buffer into the destination buffer. sourceLen is
- the byte length of the source buffer. Upon entry, destLen is the total
- size of the destination buffer, which must be large enough to hold the
- entire uncompressed data. (The size of the uncompressed data must have
- been saved previously by the compressor and transmitted to the decompressor
- by some mechanism outside the scope of this compression library.)
- Upon exit, destLen is the actual size of the compressed buffer. <p>
- This function can be used to decompress a whole file at once if the
- input file is mmap'ed.
- <p>
-
- <a href="#uncompress">uncompress</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not
- enough memory, <a href="#Z_BUF_ERROR">Z_BUF_ERROR</a> if there was not enough room in the output
- buffer, or <a href="#Z_DATA_ERROR">Z_DATA_ERROR</a> if the input data was corrupted.
- <p>
-
-<dt> typedef voidp gzFile;
-<dd> <p>
-
-<font color="Blue"><dt> gzFile <a name="gzopen">gzopen</a> (const char *path, const char *mode);</font>
-<dd>
- Opens a gzip (.gz) file for reading or writing. The mode parameter
- is as in fopen ("rb" or "wb") but can also include a compression level
- ("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for
- Huffman only compression as in "wb1h". (See the description
- of <a href="#deflateInit2">deflateInit2</a> for more information about the strategy parameter.)
- <p>
-
- <a href="#gzopen">gzopen</a> can be used to read a file which is not in gzip format ; in this
- case <a href="#gzread">gzread</a> will directly read from the file without decompression.
- <p>
-
- <a href="#gzopen">gzopen</a> returns NULL if the file could not be opened or if there was
- insufficient memory to allocate the (de)compression <a href="#state">state</a> ; errno
- can be checked to distinguish the two cases (if errno is zero, the
- zlib error is <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a>).
- <p>
-
-<font color="Blue"><dt> gzFile <a name="gzdopen">gzdopen</a> (int fd, const char *mode);</font>
-<dd>
- <a href="#gzdopen">gzdopen</a>() associates a gzFile with the file descriptor fd. File
- descriptors are obtained from calls like open, dup, creat, pipe or
- fileno (in the file has been previously opened with fopen).
- The mode parameter is as in <a href="#gzopen">gzopen</a>.
- <p>
- The next call of <a href="#gzclose">gzclose</a> on the returned gzFile will also close the
- file descriptor fd, just like fclose(fdopen(fd), mode) closes the file
- descriptor fd. If you want to keep fd open, use <a href="#gzdopen">gzdopen</a>(dup(fd), mode).
- <p>
- <a href="#gzdopen">gzdopen</a> returns NULL if there was insufficient memory to allocate
- the (de)compression <a href="#state">state</a>.
- <p>
-
-<font color="Blue"><dt> int <a name="gzsetparams">gzsetparams</a> (gzFile file, int level, int strategy);</font>
-<dd>
- Dynamically update the compression level or strategy. See the description
- of <a href="#deflateInit2">deflateInit2</a> for the meaning of these parameters.
- <p>
- <a href="#gzsetparams">gzsetparams</a> returns <a href="#Z_OK">Z_OK</a> if success, or <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the file was not
- opened for writing.
- <p>
-
-<font color="Blue"><dt> int <a name="gzread">gzread</a> (gzFile file, voidp buf, unsigned len);</font>
-<dd>
- Reads the given number of uncompressed bytes from the compressed file.
- If the input file was not in gzip format, <a href="#gzread">gzread</a> copies the given number
- of bytes into the buffer.
- <p>
- <a href="#gzread">gzread</a> returns the number of uncompressed bytes actually read (0 for
- end of file, -1 for error).
- <p>
-
-<font color="Blue"><dt> int <a name="gzwrite">gzwrite</a> (gzFile file, const voidp buf, unsigned len);</font>
-<dd>
- Writes the given number of uncompressed bytes into the compressed file.
- <a href="#gzwrite">gzwrite</a> returns the number of uncompressed bytes actually written
- (0 in case of error).
- <p>
-
-<font color="Blue"><dt> int VA <a name="gzprintf">gzprintf</a> (gzFile file, const char *format, ...);</font>
-<dd>
- Converts, formats, and writes the args to the compressed file under
- control of the format string, as in fprintf. <a href="#gzprintf">gzprintf</a> returns the number of
- uncompressed bytes actually written (0 in case of error).
- <p>
-
-<font color="Blue"><dt> int <a name="gzputs">gzputs</a> (gzFile file, const char *s);</font>
-<dd>
- Writes the given null-terminated string to the compressed file, excluding
- the terminating null character.
- <p>
- <a href="#gzputs">gzputs</a> returns the number of characters written, or -1 in case of error.
- <p>
-
-<font color="Blue"><dt> char * <a name="gzgets">gzgets</a> (gzFile file, char *buf, int len);</font>
-<dd>
- Reads bytes from the compressed file until len-1 characters are read, or
- a newline character is read and transferred to buf, or an end-of-file
- condition is encountered. The string is then terminated with a null
- character.
- <p>
- <a href="#gzgets">gzgets</a> returns buf, or <a href="#Z_NULL">Z_NULL</a> in case of error.
- <p>
-
-<font color="Blue"><dt> int <a name="gzputc">gzputc</a> (gzFile file, int c);</font>
-<dd>
- Writes c, converted to an unsigned char, into the compressed file.
- <a href="#gzputc">gzputc</a> returns the value that was written, or -1 in case of error.
- <p>
-
-<font color="Blue"><dt> int <a name="gzgetc">gzgetc</a> (gzFile file);</font>
-<dd>
- Reads one byte from the compressed file. <a href="#gzgetc">gzgetc</a> returns this byte
- or -1 in case of end of file or error.
- <p>
-
-<font color="Blue"><dt> int <a name="gzflush">gzflush</a> (gzFile file, int flush);</font>
-<dd>
- Flushes all pending output into the compressed file. The parameter
- flush is as in the <a href="#deflate">deflate</a>() function. The return value is the zlib
- error number (see function <a href="#gzerror">gzerror</a> below). <a href="#gzflush">gzflush</a> returns <a href="#Z_OK">Z_OK</a> if
- the flush parameter is <a href="#Z_FINISH">Z_FINISH</a> and all output could be flushed.
- <p>
- <a href="#gzflush">gzflush</a> should be called only when strictly necessary because it can
- degrade compression.
- <p>
-
-<font color="Blue"><dt> z_off_t <a name="gzseek">gzseek</a> (gzFile file, z_off_t offset, int whence);</font>
-<dd>
- Sets the starting position for the next <a href="#gzread">gzread</a> or <a href="#gzwrite">gzwrite</a> on the
- given compressed file. The offset represents a number of bytes in the
- uncompressed data stream. The whence parameter is defined as in lseek(2);
- the value SEEK_END is not supported.
- <p>
- If the file is opened for reading, this function is emulated but can be
- extremely slow. If the file is opened for writing, only forward seeks are
- supported ; <a href="#gzseek">gzseek</a> then compresses a sequence of zeroes up to the new
- starting position.
- <p>
- <a href="#gzseek">gzseek</a> returns the resulting offset location as measured in bytes from
- the beginning of the uncompressed stream, or -1 in case of error, in
- particular if the file is opened for writing and the new starting position
- would be before the current position.
- <p>
-
-<font color="Blue"><dt> int <a name="gzrewind">gzrewind</a> (gzFile file);</font>
-<dd>
- Rewinds the given file. This function is supported only for reading.
- <p>
- <a href="#gzrewind">gzrewind</a>(file) is equivalent to (int)<a href="#gzseek">gzseek</a>(file, 0L, SEEK_SET)
- <p>
-
-<font color="Blue"><dt> z_off_t <a name="gztell">gztell</a> (gzFile file);</font>
-<dd>
- Returns the starting position for the next <a href="#gzread">gzread</a> or <a href="#gzwrite">gzwrite</a> on the
- given compressed file. This position represents a number of bytes in the
- uncompressed data stream.
- <p>
-
- <a href="#gztell">gztell</a>(file) is equivalent to <a href="#gzseek">gzseek</a>(file, 0L, SEEK_CUR)
- <p>
-
-<font color="Blue"><dt> int <a name="gzeof">gzeof</a> (gzFile file);</font>
-<dd>
- Returns 1 when EOF has previously been detected reading the given
- input stream, otherwise zero.
- <p>
-
-<font color="Blue"><dt> int <a name="gzclose">gzclose</a> (gzFile file);</font>
-<dd>
- Flushes all pending output if necessary, closes the compressed file
- and deallocates all the (de)compression <a href="#state">state</a>. The return value is the zlib
- error number (see function <a href="#gzerror">gzerror</a> below).
- <p>
-
-<font color="Blue"><dt> const char * <a name="gzerror">gzerror</a> (gzFile file, int *errnum);</font>
-<dd>
- Returns the error message for the last error which occurred on the
- given compressed file. errnum is set to zlib error number. If an
- error occurred in the file system and not in the compression library,
- errnum is set to <a href="#Z_ERRNO">Z_ERRNO</a> and the application may consult errno
- to get the exact error code.
- <p>
-</dl>
-<hr>
-<a name="Basic functions"><h2> Basic functions </h2>
-<h3> Function list </h3>
-<ul>
-<li> const char * <a href="#zlibVersion">zlibVersion</a> (void);
-<li> int <a href="#deflateInit">deflateInit</a> (<a href="#z_streamp">z_streamp</a> strm, int level);
-<li> int <a href="#deflate">deflate</a> (<a href="#z_streamp">z_streamp</a> strm, int flush);
-<li> int <a href="#deflateEnd">deflateEnd</a> (<a href="#z_streamp">z_streamp</a> strm);
-<li> int <a href="#inflateInit">inflateInit</a> (<a href="#z_streamp">z_streamp</a> strm);
-<li> int <a href="#inflate">inflate</a> (<a href="#z_streamp">z_streamp</a> strm, int flush);
-<li> int <a href="#inflateEnd">inflateEnd</a> (<a href="#z_streamp">z_streamp</a> strm);
-</ul>
-
-<h3> Function description </h3>
-<dl>
-<font color="Blue"><dt> const char * <a name="zlibVersion">zlibVersion</a> (void);</font>
-<dd> The application can compare <a href="#zlibVersion">zlibVersion</a> and ZLIB_VERSION for consistency.
- If the first character differs, the library code actually used is
- not compatible with the zlib.h header file used by the application.
- This check is automatically made by <a href="#deflateInit">deflateInit</a> and <a href="#inflateInit">inflateInit</a>.
- <p>
-
-<font color="Blue"><dt> int <a name="deflateInit">deflateInit</a> (<a href="#z_streamp">z_streamp</a> strm, int level);</font>
-<dd>
- Initializes the internal stream <a href="#state">state</a> for compression. The fields
- <a href="#zalloc">zalloc</a>, <a href="#zfree">zfree</a> and <a href="#opaque">opaque</a> must be initialized before by the caller.
- If <a href="#zalloc">zalloc</a> and <a href="#zfree">zfree</a> are set to <a href="#Z_NULL">Z_NULL</a>, <a href="#deflateInit">deflateInit</a> updates them to
- use default allocation functions.
- <p>
-
- The compression level must be <a href="#Z_DEFAULT_COMPRESSION">Z_DEFAULT_COMPRESSION</a>, or between 0 and 9:
- 1 gives best speed, 9 gives best compression, 0 gives no compression at
- all (the input data is simply copied a block at a time).
- <p>
-
- <a href="#Z_DEFAULT_COMPRESSION">Z_DEFAULT_COMPRESSION</a> requests a default compromise between speed and
- compression (currently equivalent to level 6).
- <p>
-
- <a href="#deflateInit">deflateInit</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not
- enough memory, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if level is not a valid compression level,
- <a href="#Z_VERSION_ERROR">Z_VERSION_ERROR</a> if the zlib library version (<a href="#zlib_version">zlib_version</a>) is incompatible
- with the version assumed by the caller (ZLIB_VERSION).
- <a href="#msg">msg</a> is set to null if there is no error message. <a href="#deflateInit">deflateInit</a> does not
- perform any compression: this will be done by <a href="#deflate">deflate</a>().
- <p>
-
-<font color="Blue"><dt> int <a name="deflate">deflate</a> (<a href="#z_streamp">z_streamp</a> strm, int flush);</font>
-<dd>
- <a href="#deflate">deflate</a> compresses as much data as possible, and stops when the input
- buffer becomes empty or the output buffer becomes full. It may introduce some
- output latency (reading input without producing any output) except when
- forced to flush.<p>
-
- The detailed semantics are as follows. <a href="#deflate">deflate</a> performs one or both of the
- following actions:
-
- <ul>
- <li> Compress more input starting at <a href="#next_in">next_in</a> and update <a href="#next_in">next_in</a> and <a href="#avail_in">avail_in</a>
- accordingly. If not all input can be processed (because there is not
- enough room in the output buffer), <a href="#next_in">next_in</a> and <a href="#avail_in">avail_in</a> are updated and
- processing will resume at this point for the next call of <a href="#deflate">deflate</a>().
-
- <li>
- Provide more output starting at <a href="#next_out">next_out</a> and update <a href="#next_out">next_out</a> and <a href="#avail_out">avail_out</a>
- accordingly. This action is forced if the parameter flush is non zero.
- Forcing flush frequently degrades the compression ratio, so this parameter
- should be set only when necessary (in interactive applications).
- Some output may be provided even if flush is not set.
- </ul> <p>
-
- Before the call of <a href="#deflate">deflate</a>(), the application should ensure that at least
- one of the actions is possible, by providing more input and/or consuming
- more output, and updating <a href="#avail_in">avail_in</a> or <a href="#avail_out">avail_out</a> accordingly ; <a href="#avail_out">avail_out</a>
- should never be zero before the call. The application can consume the
- compressed output when it wants, for example when the output buffer is full
- (<a href="#avail_out">avail_out</a> == 0), or after each call of <a href="#deflate">deflate</a>(). If <a href="#deflate">deflate</a> returns <a href="#Z_OK">Z_OK</a>
- and with zero <a href="#avail_out">avail_out</a>, it must be called again after making room in the
- output buffer because there might be more output pending.
- <p>
-
- If the parameter flush is set to <a href="#Z_SYNC_FLUSH">Z_SYNC_FLUSH</a>, all pending output is
- flushed to the output buffer and the output is aligned on a byte boundary, so
- that the decompressor can get all input data available so far. (In particular
- <a href="#avail_in">avail_in</a> is zero after the call if enough output space has been provided
- before the call.) Flushing may degrade compression for some compression
- algorithms and so it should be used only when necessary.
- <p>
-
- If flush is set to <a href="#Z_FULL_FLUSH">Z_FULL_FLUSH</a>, all output is flushed as with
- <a href="#Z_SYNC_FLUSH">Z_SYNC_FLUSH</a>, and the compression <a href="#state">state</a> is reset so that decompression can
- restart from this point if previous compressed data has been damaged or if
- random access is desired. Using <a href="#Z_FULL_FLUSH">Z_FULL_FLUSH</a> too often can seriously degrade
- the compression.
- <p>
-
- If <a href="#deflate">deflate</a> returns with <a href="#avail_out">avail_out</a> == 0, this function must be called again
- with the same value of the flush parameter and more output space (updated
- <a href="#avail_out">avail_out</a>), until the flush is complete (<a href="#deflate">deflate</a> returns with non-zero
- <a href="#avail_out">avail_out</a>).
- <p>
-
- If the parameter flush is set to <a href="#Z_FINISH">Z_FINISH</a>, pending input is processed,
- pending output is flushed and <a href="#deflate">deflate</a> returns with <a href="#Z_STREAM_END">Z_STREAM_END</a> if there
- was enough output space ; if <a href="#deflate">deflate</a> returns with <a href="#Z_OK">Z_OK</a>, this function must be
- called again with <a href="#Z_FINISH">Z_FINISH</a> and more output space (updated <a href="#avail_out">avail_out</a>) but no
- more input data, until it returns with <a href="#Z_STREAM_END">Z_STREAM_END</a> or an error. After
- <a href="#deflate">deflate</a> has returned <a href="#Z_STREAM_END">Z_STREAM_END</a>, the only possible operations on the
- stream are <a href="#deflateReset">deflateReset</a> or <a href="#deflateEnd">deflateEnd</a>.
- <p>
-
- <a href="#Z_FINISH">Z_FINISH</a> can be used immediately after <a href="#deflateInit">deflateInit</a> if all the compression
- is to be done in a single step. In this case, <a href="#avail_out">avail_out</a> must be at least
- 0.1% larger than <a href="#avail_in">avail_in</a> plus 12 bytes. If <a href="#deflate">deflate</a> does not return
- <a href="#Z_STREAM_END">Z_STREAM_END</a>, then it must be called again as described above.
- <p>
-
- <a href="#deflate">deflate</a>() sets strm-> <a href="#adler">adler</a> to the <a href="#adler32">adler32</a> checksum of all input read
- so far (that is, <a href="#total_in">total_in</a> bytes).
- <p>
-
- <a href="#deflate">deflate</a>() may update <a href="#data_type">data_type</a> if it can make a good guess about
- the input data type (<a href="#Z_ASCII">Z_ASCII</a> or <a href="#Z_BINARY">Z_BINARY</a>). In doubt, the data is considered
- binary. This field is only for information purposes and does not affect
- the compression algorithm in any manner.
- <p>
-
- <a href="#deflate">deflate</a>() returns <a href="#Z_OK">Z_OK</a> if some progress has been made (more input
- processed or more output produced), <a href="#Z_STREAM_END">Z_STREAM_END</a> if all input has been
- consumed and all output has been produced (only when flush is set to
- <a href="#Z_FINISH">Z_FINISH</a>), <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the stream <a href="#state">state</a> was inconsistent (for example
- if <a href="#next_in">next_in</a> or <a href="#next_out">next_out</a> was NULL), <a href="#Z_BUF_ERROR">Z_BUF_ERROR</a> if no progress is possible
- (for example <a href="#avail_in">avail_in</a> or <a href="#avail_out">avail_out</a> was zero).
- <p>
-
-<font color="Blue"><dt> int <a name="deflateEnd">deflateEnd</a> (<a href="#z_streamp">z_streamp</a> strm);</font>
-<dd>
- All dynamically allocated data structures for this stream are freed.
- This function discards any unprocessed input and does not flush any
- pending output.
- <p>
-
- <a href="#deflateEnd">deflateEnd</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the
- stream <a href="#state">state</a> was inconsistent, <a href="#Z_DATA_ERROR">Z_DATA_ERROR</a> if the stream was freed
- prematurely (some input or output was discarded). In the error case,
- <a href="#msg">msg</a> may be set but then points to a static string (which must not be
- deallocated).
- <p>
-
-<font color="Blue"><dt> int <a name="inflateInit">inflateInit</a> (<a href="#z_streamp">z_streamp</a> strm);</font>
-<dd>
- Initializes the internal stream <a href="#state">state</a> for decompression. The fields
- <a href="#next_in">next_in</a>, <a href="#avail_in">avail_in</a>, <a href="#zalloc">zalloc</a>, <a href="#zfree">zfree</a> and <a href="#opaque">opaque</a> must be initialized before by
- the caller. If <a href="#next_in">next_in</a> is not <a href="#Z_NULL">Z_NULL</a> and <a href="#avail_in">avail_in</a> is large enough (the exact
- value depends on the compression method), <a href="#inflateInit">inflateInit</a> determines the
- compression method from the zlib header and allocates all data structures
- accordingly ; otherwise the allocation will be deferred to the first call of
- <a href="#inflate">inflate</a>. If <a href="#zalloc">zalloc</a> and <a href="#zfree">zfree</a> are set to <a href="#Z_NULL">Z_NULL</a>, <a href="#inflateInit">inflateInit</a> updates them to
- use default allocation functions.
- <p>
-
- <a href="#inflateInit">inflateInit</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not enough
- memory, <a href="#Z_VERSION_ERROR">Z_VERSION_ERROR</a> if the zlib library version is incompatible with the
- version assumed by the caller. <a href="#msg">msg</a> is set to null if there is no error
- message. <a href="#inflateInit">inflateInit</a> does not perform any decompression apart from reading
- the zlib header if present: this will be done by <a href="#inflate">inflate</a>(). (So <a href="#next_in">next_in</a> and
- <a href="#avail_in">avail_in</a> may be modified, but <a href="#next_out">next_out</a> and <a href="#avail_out">avail_out</a> are unchanged.)
- <p>
-
-<font color="Blue"><dt> int <a name="inflate">inflate</a> (<a href="#z_streamp">z_streamp</a> strm, int flush);</font>
-<dd>
- <a href="#inflate">inflate</a> decompresses as much data as possible, and stops when the input
- buffer becomes empty or the output buffer becomes full. It may some
- introduce some output latency (reading input without producing any output)
- except when forced to flush.
- <p>
-
- The detailed semantics are as follows. <a href="#inflate">inflate</a> performs one or both of the
- following actions:
-
- <ul>
- <li> Decompress more input starting at <a href="#next_in">next_in</a> and update <a href="#next_in">next_in</a> and <a href="#avail_in">avail_in</a>
- accordingly. If not all input can be processed (because there is not
- enough room in the output buffer), <a href="#next_in">next_in</a> is updated and processing
- will resume at this point for the next call of <a href="#inflate">inflate</a>().
-
- <li> Provide more output starting at <a href="#next_out">next_out</a> and update <a href="#next_out">next_out</a> and
- <a href="#avail_out">avail_out</a> accordingly. <a href="#inflate">inflate</a>() provides as much output as possible,
- until there is no more input data or no more space in the output buffer
- (see below about the flush parameter).
- </ul> <p>
-
- Before the call of <a href="#inflate">inflate</a>(), the application should ensure that at least
- one of the actions is possible, by providing more input and/or consuming
- more output, and updating the next_* and avail_* values accordingly.
- The application can consume the uncompressed output when it wants, for
- example when the output buffer is full (<a href="#avail_out">avail_out</a> == 0), or after each
- call of <a href="#inflate">inflate</a>(). If <a href="#inflate">inflate</a> returns <a href="#Z_OK">Z_OK</a> and with zero <a href="#avail_out">avail_out</a>, it
- must be called again after making room in the output buffer because there
- might be more output pending.
- <p>
-
- If the parameter flush is set to <a href="#Z_SYNC_FLUSH">Z_SYNC_FLUSH</a>, <a href="#inflate">inflate</a> flushes as much
- output as possible to the output buffer. The flushing behavior of <a href="#inflate">inflate</a> is
- not specified for values of the flush parameter other than <a href="#Z_SYNC_FLUSH">Z_SYNC_FLUSH</a>
- and <a href="#Z_FINISH">Z_FINISH</a>, but the current implementation actually flushes as much output
- as possible anyway.
- <p>
-
- <a href="#inflate">inflate</a>() should normally be called until it returns <a href="#Z_STREAM_END">Z_STREAM_END</a> or an
- error. However if all decompression is to be performed in a single step
- (a single call of <a href="#inflate">inflate</a>), the parameter flush should be set to
- <a href="#Z_FINISH">Z_FINISH</a>. In this case all pending input is processed and all pending
- output is flushed ; <a href="#avail_out">avail_out</a> must be large enough to hold all the
- uncompressed data. (The size of the uncompressed data may have been saved
- by the compressor for this purpose.) The next operation on this stream must
- be <a href="#inflateEnd">inflateEnd</a> to deallocate the decompression <a href="#state">state</a>. The use of <a href="#Z_FINISH">Z_FINISH</a>
- is never required, but can be used to inform <a href="#inflate">inflate</a> that a faster routine
- may be used for the single <a href="#inflate">inflate</a>() call.
- <p>
-
- If a preset dictionary is needed at this point (see <a href="#inflateSetDictionary">inflateSetDictionary</a>
- below), <a href="#inflate">inflate</a> sets strm-<a href="#adler">adler</a> to the <a href="#adler32">adler32</a> checksum of the
- dictionary chosen by the compressor and returns <a href="#Z_NEED_DICT">Z_NEED_DICT</a> ; otherwise
- it sets strm-> <a href="#adler">adler</a> to the <a href="#adler32">adler32</a> checksum of all output produced
- so far (that is, <a href="#total_out">total_out</a> bytes) and returns <a href="#Z_OK">Z_OK</a>, <a href="#Z_STREAM_END">Z_STREAM_END</a> or
- an error code as described below. At the end of the stream, <a href="#inflate">inflate</a>()
- checks that its computed <a href="#adler32">adler32</a> checksum is equal to that saved by the
- compressor and returns <a href="#Z_STREAM_END">Z_STREAM_END</a> only if the checksum is correct.
- <p>
-
- <a href="#inflate">inflate</a>() returns <a href="#Z_OK">Z_OK</a> if some progress has been made (more input processed
- or more output produced), <a href="#Z_STREAM_END">Z_STREAM_END</a> if the end of the compressed data has
- been reached and all uncompressed output has been produced, <a href="#Z_NEED_DICT">Z_NEED_DICT</a> if a
- preset dictionary is needed at this point, <a href="#Z_DATA_ERROR">Z_DATA_ERROR</a> if the input data was
- corrupted (input stream not conforming to the zlib format or incorrect
- <a href="#adler32">adler32</a> checksum), <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the stream structure was inconsistent
- (for example if <a href="#next_in">next_in</a> or <a href="#next_out">next_out</a> was NULL), <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not
- enough memory, <a href="#Z_BUF_ERROR">Z_BUF_ERROR</a> if no progress is possible or if there was not
- enough room in the output buffer when <a href="#Z_FINISH">Z_FINISH</a> is used. In the <a href="#Z_DATA_ERROR">Z_DATA_ERROR</a>
- case, the application may then call <a href="#inflateSync">inflateSync</a> to look for a good
- compression block.
- <p>
-
-<font color="Blue"><dt> int <a name="inflateEnd">inflateEnd</a> (<a href="#z_streamp">z_streamp</a> strm);</font>
-<dd>
- All dynamically allocated data structures for this stream are freed.
- This function discards any unprocessed input and does not flush any
- pending output.
- <p>
-
- <a href="#inflateEnd">inflateEnd</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the stream <a href="#state">state</a>
- was inconsistent. In the error case, <a href="#msg">msg</a> may be set but then points to a
- static string (which must not be deallocated).
-</dl>
-<hr>
-<a name="Advanced functions"><h2> Advanced functions </h2>
- The following functions are needed only in some special applications.
-<h3> Function list </h3>
-<ul>
-<li> int <a href="#deflateInit2">deflateInit2</a> (<a href="#z_streamp">z_streamp</a> strm,
-<li> int <a href="#deflateSetDictionary">deflateSetDictionary</a> (<a href="#z_streamp">z_streamp</a> strm, const Bytef *dictionary, uInt dictLength);
-<li> int <a href="#deflateCopy">deflateCopy</a> (<a href="#z_streamp">z_streamp</a> dest, <a href="#z_streamp">z_streamp</a> source);
-<li> int <a href="#deflateReset">deflateReset</a> (<a href="#z_streamp">z_streamp</a> strm);
-<li> int <a href="#deflateParams">deflateParams</a> (<a href="#z_streamp">z_streamp</a> strm, int level, int strategy);
-<li> int <a href="#inflateInit2">inflateInit2</a> (<a href="#z_streamp">z_streamp</a> strm, int windowBits);
-<li> int <a href="#inflateSetDictionary">inflateSetDictionary</a> (<a href="#z_streamp">z_streamp</a> strm, const Bytef *dictionary, uInt dictLength);
-<li> int <a href="#inflateSync">inflateSync</a> (<a href="#z_streamp">z_streamp</a> strm);
-<li> int <a href="#inflateReset">inflateReset</a> (<a href="#z_streamp">z_streamp</a> strm);
-
-</ul>
-<h3> Function description </h3>
-<dl>
-<font color="Blue"><dt> int <a name="deflateInit2">deflateInit2</a> (<a href="#z_streamp">z_streamp</a> strm, int level, int method, int windowBits, int memLevel, int strategy);</font>
-
-<dd> This is another version of <a href="#deflateInit">deflateInit</a> with more compression options. The
- fields <a href="#next_in">next_in</a>, <a href="#zalloc">zalloc</a>, <a href="#zfree">zfree</a> and <a href="#opaque">opaque</a> must be initialized before by
- the caller.<p>
-
- The method parameter is the compression method. It must be <a href="#Z_DEFLATED">Z_DEFLATED</a> in
- this version of the library.<p>
-
- The windowBits parameter is the base two logarithm of the window size
- (the size of the history buffer). It should be in the range 8..15 for this
- version of the library. Larger values of this parameter result in better
- compression at the expense of memory usage. The default value is 15 if
- <a href="#deflateInit">deflateInit</a> is used instead.<p>
-
- The memLevel parameter specifies how much memory should be allocated
- for the internal compression <a href="#state">state</a>. memLevel=1 uses minimum memory but
- is slow and reduces compression ratio ; memLevel=9 uses maximum memory
- for optimal speed. The default value is 8. See zconf.h for total memory
- usage as a function of windowBits and memLevel.<p>
-
- The strategy parameter is used to tune the compression algorithm. Use the
- value <a href="#Z_DEFAULT_STRATEGY">Z_DEFAULT_STRATEGY</a> for normal data, <a href="#Z_FILTERED">Z_FILTERED</a> for data produced by a
- filter (or predictor), or <a href="#Z_HUFFMAN_ONLY">Z_HUFFMAN_ONLY</a> to force Huffman encoding only (no
- string match). Filtered data consists mostly of small values with a
- somewhat random distribution. In this case, the compression algorithm is
- tuned to <a href="#compress">compress</a> them better. The effect of <a href="#Z_FILTERED">Z_FILTERED</a> is to force more
- Huffman coding and less string matching ; it is somewhat intermediate
- between Z_DEFAULT and <a href="#Z_HUFFMAN_ONLY">Z_HUFFMAN_ONLY</a>. The strategy parameter only affects
- the compression ratio but not the correctness of the compressed output even
- if it is not set appropriately.<p>
-
- <a href="#deflateInit2">deflateInit2</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not enough
- memory, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if a parameter is invalid (such as an invalid
- method). <a href="#msg">msg</a> is set to null if there is no error message. <a href="#deflateInit2">deflateInit2</a> does
- not perform any compression: this will be done by <a href="#deflate">deflate</a>().<p>
-
-<font color="Blue"><dt> int <a name="deflateSetDictionary">deflateSetDictionary</a> (<a href="#z_streamp">z_streamp</a> strm, const Bytef *dictionary, uInt dictLength);</font>
-<dd>
- Initializes the compression dictionary from the given byte sequence
- without producing any compressed output. This function must be called
- immediately after <a href="#deflateInit">deflateInit</a>, <a href="#deflateInit2">deflateInit2</a> or <a href="#deflateReset">deflateReset</a>, before any
- call of <a href="#deflate">deflate</a>. The compressor and decompressor must use exactly the same
- dictionary (see <a href="#inflateSetDictionary">inflateSetDictionary</a>).<p>
-
- The dictionary should consist of strings (byte sequences) that are likely
- to be encountered later in the data to be compressed, with the most commonly
- used strings preferably put towards the end of the dictionary. Using a
- dictionary is most useful when the data to be compressed is short and can be
- predicted with good accuracy ; the data can then be compressed better than
- with the default empty dictionary.<p>
-
- Depending on the size of the compression data structures selected by
- <a href="#deflateInit">deflateInit</a> or <a href="#deflateInit2">deflateInit2</a>, a part of the dictionary may in effect be
- discarded, for example if the dictionary is larger than the window size in
- <a href="#deflate">deflate</a> or deflate2. Thus the strings most likely to be useful should be
- put at the end of the dictionary, not at the front.<p>
-
- Upon return of this function, strm-> <a href="#adler">adler</a> is set to the Adler32 value
- of the dictionary ; the decompressor may later use this value to determine
- which dictionary has been used by the compressor. (The Adler32 value
- applies to the whole dictionary even if only a subset of the dictionary is
- actually used by the compressor.)<p>
-
- <a href="#deflateSetDictionary">deflateSetDictionary</a> returns <a href="#Z_OK">Z_OK</a> if success, or <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if a
- parameter is invalid (such as NULL dictionary) or the stream <a href="#state">state</a> is
- inconsistent (for example if <a href="#deflate">deflate</a> has already been called for this stream
- or if the compression method is bsort). <a href="#deflateSetDictionary">deflateSetDictionary</a> does not
- perform any compression: this will be done by <a href="#deflate">deflate</a>().<p>
-
-<font color="Blue"><dt> int <a name="deflateCopy">deflateCopy</a> (<a href="#z_streamp">z_streamp</a> dest, <a href="#z_streamp">z_streamp</a> source);</font>
-<dd>
- Sets the destination stream as a complete copy of the source stream.<p>
-
- This function can be useful when several compression strategies will be
- tried, for example when there are several ways of pre-processing the input
- data with a filter. The streams that will be discarded should then be freed
- by calling <a href="#deflateEnd">deflateEnd</a>. Note that <a href="#deflateCopy">deflateCopy</a> duplicates the internal
- compression <a href="#state">state</a> which can be quite large, so this strategy is slow and
- can consume lots of memory.<p>
-
- <a href="#deflateCopy">deflateCopy</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not
- enough memory, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the source stream <a href="#state">state</a> was inconsistent
- (such as <a href="#zalloc">zalloc</a> being NULL). <a href="#msg">msg</a> is left unchanged in both source and
- destination.<p>
-
-<font color="Blue"><dt> int <a name="deflateReset">deflateReset</a> (<a href="#z_streamp">z_streamp</a> strm);</font>
-<dd> This function is equivalent to <a href="#deflateEnd">deflateEnd</a> followed by <a href="#deflateInit">deflateInit</a>,
- but does not free and reallocate all the internal compression <a href="#state">state</a>.
- The stream will keep the same compression level and any other attributes
- that may have been set by <a href="#deflateInit2">deflateInit2</a>.<p>
-
- <a href="#deflateReset">deflateReset</a> returns <a href="#Z_OK">Z_OK</a> if success, or <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the source
- stream <a href="#state">state</a> was inconsistent (such as <a href="#zalloc">zalloc</a> or <a href="#state">state</a> being NULL).<p>
-
-<font color="Blue"><dt> int <a name="deflateParams">deflateParams</a> (<a href="#z_streamp">z_streamp</a> strm, int level, int strategy);</font>
-<dd>
- Dynamically update the compression level and compression strategy. The
- interpretation of level and strategy is as in <a href="#deflateInit2">deflateInit2</a>. This can be
- used to switch between compression and straight copy of the input data, or
- to switch to a different kind of input data requiring a different
- strategy. If the compression level is changed, the input available so far
- is compressed with the old level (and may be flushed); the new level will
- take effect only at the next call of <a href="#deflate">deflate</a>().<p>
-
- Before the call of <a href="#deflateParams">deflateParams</a>, the stream <a href="#state">state</a> must be set as for
- a call of <a href="#deflate">deflate</a>(), since the currently available input may have to
- be compressed and flushed. In particular, strm-> <a href="#avail_out">avail_out</a> must be
- non-zero.<p>
-
- <a href="#deflateParams">deflateParams</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the source
- stream <a href="#state">state</a> was inconsistent or if a parameter was invalid, <a href="#Z_BUF_ERROR">Z_BUF_ERROR</a>
- if strm->avail_out was zero.<p>
-
-<font color="Blue"><dt> int <a name="inflateInit2">inflateInit2</a> (<a href="#z_streamp">z_streamp</a> strm, int windowBits);</font>
-
-<dd> This is another version of <a href="#inflateInit">inflateInit</a> with an extra parameter. The
- fields <a href="#next_in">next_in</a>, <a href="#avail_in">avail_in</a>, <a href="#zalloc">zalloc</a>, <a href="#zfree">zfree</a> and <a href="#opaque">opaque</a> must be initialized
- before by the caller.<p>
-
- The windowBits parameter is the base two logarithm of the maximum window
- size (the size of the history buffer). It should be in the range 8..15 for
- this version of the library. The default value is 15 if <a href="#inflateInit">inflateInit</a> is used
- instead. If a compressed stream with a larger window size is given as
- input, <a href="#inflate">inflate</a>() will return with the error code <a href="#Z_DATA_ERROR">Z_DATA_ERROR</a> instead of
- trying to allocate a larger window.<p>
-
- <a href="#inflateInit2">inflateInit2</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_MEM_ERROR">Z_MEM_ERROR</a> if there was not enough
- memory, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if a parameter is invalid (such as a negative
- memLevel). <a href="#msg">msg</a> is set to null if there is no error message. <a href="#inflateInit2">inflateInit2</a>
- does not perform any decompression apart from reading the zlib header if
- present: this will be done by <a href="#inflate">inflate</a>(). (So <a href="#next_in">next_in</a> and <a href="#avail_in">avail_in</a> may be
- modified, but <a href="#next_out">next_out</a> and <a href="#avail_out">avail_out</a> are unchanged.)<p>
-
-<font color="Blue"><dt> int <a name="inflateSetDictionary">inflateSetDictionary</a> (<a href="#z_streamp">z_streamp</a> strm, const Bytef *dictionary, uInt dictLength);</font>
-<dd>
- Initializes the decompression dictionary from the given uncompressed byte
- sequence. This function must be called immediately after a call of <a href="#inflate">inflate</a>
- if this call returned <a href="#Z_NEED_DICT">Z_NEED_DICT</a>. The dictionary chosen by the compressor
- can be determined from the Adler32 value returned by this call of
- <a href="#inflate">inflate</a>. The compressor and decompressor must use exactly the same
- dictionary (see <a href="#deflateSetDictionary">deflateSetDictionary</a>).<p>
-
- <a href="#inflateSetDictionary">inflateSetDictionary</a> returns <a href="#Z_OK">Z_OK</a> if success, <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if a
- parameter is invalid (such as NULL dictionary) or the stream <a href="#state">state</a> is
- inconsistent, <a href="#Z_DATA_ERROR">Z_DATA_ERROR</a> if the given dictionary doesn't match the
- expected one (incorrect Adler32 value). <a href="#inflateSetDictionary">inflateSetDictionary</a> does not
- perform any decompression: this will be done by subsequent calls of
- <a href="#inflate">inflate</a>().<p>
-
-<font color="Blue"><dt> int <a name="inflateSync">inflateSync</a> (<a href="#z_streamp">z_streamp</a> strm);</font>
-
-<dd> Skips invalid compressed data until a full flush point (see above the
- description of <a href="#deflate">deflate</a> with <a href="#Z_FULL_FLUSH">Z_FULL_FLUSH</a>) can be found, or until all
- available input is skipped. No output is provided.<p>
-
- <a href="#inflateSync">inflateSync</a> returns <a href="#Z_OK">Z_OK</a> if a full flush point has been found, <a href="#Z_BUF_ERROR">Z_BUF_ERROR</a>
- if no more input was provided, <a href="#Z_DATA_ERROR">Z_DATA_ERROR</a> if no flush point has been found,
- or <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the stream structure was inconsistent. In the success
- case, the application may save the current current value of <a href="#total_in">total_in</a> which
- indicates where valid compressed data was found. In the error case, the
- application may repeatedly call <a href="#inflateSync">inflateSync</a>, providing more input each time,
- until success or end of the input data.<p>
-
-<font color="Blue"><dt> int <a name="inflateReset">inflateReset</a> (<a href="#z_streamp">z_streamp</a> strm);</font>
-<dd>
- This function is equivalent to <a href="#inflateEnd">inflateEnd</a> followed by <a href="#inflateInit">inflateInit</a>,
- but does not free and reallocate all the internal decompression <a href="#state">state</a>.
- The stream will keep attributes that may have been set by <a href="#inflateInit2">inflateInit2</a>.
- <p>
-
- <a href="#inflateReset">inflateReset</a> returns <a href="#Z_OK">Z_OK</a> if success, or <a href="#Z_STREAM_ERROR">Z_STREAM_ERROR</a> if the source
- stream <a href="#state">state</a> was inconsistent (such as <a href="#zalloc">zalloc</a> or <a href="#state">state</a> being NULL).
- <p>
-</dl>
-
-<hr>
-<a name="Checksum functions"><h2> Checksum functions </h2>
- These functions are not related to compression but are exported
- anyway because they might be useful in applications using the
- compression library.
-<h3> Function list </h3>
-<ul>
-<li> uLong <a href="#adler32">adler32</a> (uLong <a href="#adler">adler</a>, const Bytef *buf, uInt len);
-<li> uLong <a href="#crc32">crc32</a> (uLong crc, const Bytef *buf, uInt len);
-</ul>
-<h3> Function description </h3>
-<dl>
-<font color="Blue"><dt> uLong <a name="adler32">adler32</a> (uLong <a href="#adler">adler</a>, const Bytef *buf, uInt len);</font>
-<dd>
- Update a running Adler-32 checksum with the bytes buf[0..len-1] and
- return the updated checksum. If buf is NULL, this function returns
- the required initial value for the checksum.
- <p>
- An Adler-32 checksum is almost as reliable as a CRC32 but can be computed
- much faster. Usage example:
- <pre>
-
- uLong <a href="#adler">adler</a> = <a href="#adler32">adler32</a>(0L, <a href="#Z_NULL">Z_NULL</a>, 0);
-
- while (read_buffer(buffer, length) != EOF) {
- <a href="#adler">adler</a> = <a href="#adler32">adler32</a>(<a href="#adler">adler</a>, buffer, length);
- }
- if (<a href="#adler">adler</a> != original_adler) error();
- </pre>
-
-<font color="Blue"><dt> uLong <a name="crc32">crc32</a> (uLong crc, const Bytef *buf, uInt len);</font>
-<dd>
- Update a running crc with the bytes buf[0..len-1] and return the updated
- crc. If buf is NULL, this function returns the required initial value
- for the crc. Pre- and post-conditioning (one's complement) is performed
- within this function so it shouldn't be done by the application.
- Usage example:
- <pre>
-
- uLong crc = <a href="#crc32">crc32</a>(0L, <a href="#Z_NULL">Z_NULL</a>, 0);
-
- while (read_buffer(buffer, length) != EOF) {
- crc = <a href="#crc32">crc32</a>(crc, buffer, length);
- }
- if (crc != original_crc) error();
- </pre>
-</dl>
-<hr>
-<a name="struct z_stream_s"><h2> struct z_stream_s </h2>
-<font color="Blue">
-<a name="z_stream_s">
-<pre>
-typedef struct z_stream_s {
- Bytef *<a name="next_in">next_in</a>; /* next input byte */
- uInt <a name="avail_in">avail_in</a>; /* number of bytes available at <a href="#next_in">next_in</a> */
- uLong <a name="total_in">total_in</a>; /* total nb of input bytes read so far */
-
- Bytef *<a name="next_out">next_out</a>; /* next output byte should be put there */
- uInt <a name="avail_out">avail_out</a>; /* remaining free space at <a href="#next_out">next_out</a> */
- uLong <a name="total_out">total_out</a>; /* total nb of bytes output so far */
-
- char *<a name="msg">msg</a>; /* last error message, NULL if no error */
- struct internal_state FAR *<a name="state">state</a>; /* not visible by applications */
-
- alloc_func <a name="zalloc">zalloc</a>; /* used to allocate the internal <a href="#state">state</a> */
- free_func <a name="zfree">zfree</a>; /* used to free the internal <a href="#state">state</a> */
- voidpf <a name="opaque">opaque</a>; /* private data object passed to <a href="#zalloc">zalloc</a> and <a href="#zfree">zfree</a> */
-
- int <a name="data_type">data_type</a>; /* best guess about the data type: ascii or binary */
- uLong <a name="adler">adler</a>; /* <a href="#adler32">adler32</a> value of the uncompressed data */
- uLong <a name="reserved">reserved</a>; /* <a href="#reserved">reserved</a> for future use */
-} <a href="#z_stream_s">z_stream</a> ;
-
-typedef <a href="#z_stream_s">z_stream</a> FAR * <a name="z_streamp">z_streamp</a>; ÿ
-</pre>
-</font>
- The application must update <a href="#next_in">next_in</a> and <a href="#avail_in">avail_in</a> when <a href="#avail_in">avail_in</a> has
- dropped to zero. It must update <a href="#next_out">next_out</a> and <a href="#avail_out">avail_out</a> when <a href="#avail_out">avail_out</a>
- has dropped to zero. The application must initialize <a href="#zalloc">zalloc</a>, <a href="#zfree">zfree</a> and
- <a href="#opaque">opaque</a> before calling the init function. All other fields are set by the
- compression library and must not be updated by the application. <p>
-
- The <a href="#opaque">opaque</a> value provided by the application will be passed as the first
- parameter for calls of <a href="#zalloc">zalloc</a> and <a href="#zfree">zfree</a>. This can be useful for custom
- memory management. The compression library attaches no meaning to the
- <a href="#opaque">opaque</a> value. <p>
-
- <a href="#zalloc">zalloc</a> must return <a href="#Z_NULL">Z_NULL</a> if there is not enough memory for the object.
- If zlib is used in a multi-threaded application, <a href="#zalloc">zalloc</a> and <a href="#zfree">zfree</a> must be
- thread safe. <p>
-
- On 16-bit systems, the functions <a href="#zalloc">zalloc</a> and <a href="#zfree">zfree</a> must be able to allocate
- exactly 65536 bytes, but will not be required to allocate more than this
- if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS,
- pointers returned by <a href="#zalloc">zalloc</a> for objects of exactly 65536 bytes *must*
- have their offset normalized to zero. The default allocation function
- provided by this library ensures this (see zutil.c). To reduce memory
- requirements and avoid any allocation of 64K objects, at the expense of
- compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h).
- <p>
-
- The fields <a href="#total_in">total_in</a> and <a href="#total_out">total_out</a> can be used for statistics or
- progress reports. After compression, <a href="#total_in">total_in</a> holds the total size of
- the uncompressed data and may be saved for use in the decompressor
- (particularly if the decompressor wants to decompress everything in
- a single step). <p>
-
-<hr>
-<a name="Constants"><h2> Constants </h2>
-<font color="Blue">
-<pre>
-#define <a name="Z_NO_FLUSH">Z_NO_FLUSH</a> 0
-#define <a name="Z_PARTIAL_FLUSH">Z_PARTIAL_FLUSH</a> 1
- /* will be removed, use <a href="#Z_SYNC_FLUSH">Z_SYNC_FLUSH</a> instead */
-#define <a name="Z_SYNC_FLUSH">Z_SYNC_FLUSH</a> 2
-#define <a name="Z_FULL_FLUSH">Z_FULL_FLUSH</a> 3
-#define <a name="Z_FINISH">Z_FINISH</a> 4
-/* Allowed flush values ; see <a href="#deflate">deflate</a>() below for details */
-
-#define <a name="Z_OK">Z_OK</a> 0
-#define <a name="Z_STREAM_END">Z_STREAM_END</a> 1
-#define <a name="Z_NEED_DICT">Z_NEED_DICT</a> 2
-#define <a name="Z_ERRNO">Z_ERRNO</a> (-1)
-#define <a name="Z_STREAM_ERROR">Z_STREAM_ERROR</a> (-2)
-#define <a name="Z_DATA_ERROR">Z_DATA_ERROR</a> (-3)
-#define <a name="Z_MEM_ERROR">Z_MEM_ERROR</a> (-4)
-#define <a name="Z_BUF_ERROR">Z_BUF_ERROR</a> (-5)
-#define <a name="Z_VERSION_ERROR">Z_VERSION_ERROR</a> (-6)
-/* Return codes for the compression/decompression functions. Negative
- * values are errors, positive values are used for special but normal events.
- */
-
-#define <a name="Z_NO_COMPRESSION">Z_NO_COMPRESSION</a> 0
-#define <a name="Z_BEST_SPEED">Z_BEST_SPEED</a> 1
-#define <a name="Z_BEST_COMPRESSION">Z_BEST_COMPRESSION</a> 9
-#define <a name="Z_DEFAULT_COMPRESSION">Z_DEFAULT_COMPRESSION</a> (-1)
-/* compression levels */
-
-#define <a name="Z_FILTERED">Z_FILTERED</a> 1
-#define <a name="Z_HUFFMAN_ONLY">Z_HUFFMAN_ONLY</a> 2
-#define <a name="Z_DEFAULT_STRATEGY">Z_DEFAULT_STRATEGY</a> 0
-/* compression strategy ; see <a href="#deflateInit2">deflateInit2</a>() below for details */
-
-#define <a name="Z_BINARY">Z_BINARY</a> 0
-#define <a name="Z_ASCII">Z_ASCII</a> 1
-#define <a name="Z_UNKNOWN">Z_UNKNOWN</a> 2
-/* Possible values of the <a href="#data_type">data_type</a> field */
-
-#define <a name="Z_DEFLATED">Z_DEFLATED</a> 8
-/* The <a href="#deflate">deflate</a> compression method (the only one supported in this version) */
-
-#define <a name="Z_NULL">Z_NULL</a> 0 /* for initializing <a href="#zalloc">zalloc</a>, <a href="#zfree">zfree</a>, <a href="#opaque">opaque</a> */
-
-#define <a name="zlib_version">zlib_version</a> <a href="#zlibVersion">zlibVersion</a>()
-/* for compatibility with versions less than 1.0.2 */
-</pre>
-</font>
-
-<hr>
-<a name="Misc"><h2> Misc </h2>
- <a href="#deflateInit">deflateInit</a> and <a href="#inflateInit">inflateInit</a> are macros to allow checking the zlib version
- and the compiler's view of <a href="#z_stream_s">z_stream</a>.
- <p>
- Other functions:
- <dl>
- <font color="Blue"><dt> const char * <a name="zError">zError</a> (int err);</font>
- <font color="Blue"><dt> int <a name="inflateSyncPoint">inflateSyncPoint</a> (<a href="#z_streamp">z_streamp</a> z);</font>
- <font color="Blue"><dt> const uLongf * <a name="get_crc_table">get_crc_table</a> (void);</font>
- </dl>
- <hr>
- <font size="-1">
- Last update: Wed Oct 13 20:42:34 1999<br>
- piapi@csie.ntu.edu.tw
- </font>
-
-</body>
-</html>
+++ /dev/null
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/Makefile zlib-1.2.2/Makefile
---- zlib-1.2.2-orig/Makefile 2004-09-15 16:27:20.000000000 +0200
-+++ zlib-1.2.2/Makefile 2005-01-02 13:29:11.187500000 +0100
-@@ -16,45 +16,83 @@
- # To install in $HOME instead of /usr/local, use:
- # make install prefix=$HOME
-
--CC=cc
-+CC=gcc
-
- CFLAGS=-O
- #CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
- #CFLAGS=-g -DDEBUG
- #CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
- # -Wstrict-prototypes -Wmissing-prototypes
-+CFLAGS = -O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-+ -Wstrict-prototypes -Wmissing-prototypes \
-+ -D__GW32__ -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SOURCE=1 -D_FILE_OFFSET_BITS=64 \
-+ -mms-bitfields -fno-exceptions -fomit-frame-pointer -march=i386 -mcpu=i686 \
-+ -idirafter e:/progra~1/gnuwin32/include -idirafter h:/glibc/include
-
--LDFLAGS=libz.a
--LDSHARED=$(CC)
-+LDFLAGS=-Wl,-s $(VERSADD)
-+LDSHARED=o2dll
- CPP=$(CC) -E
-
-+MAJOR=1
-+MINOR=2
-+BUILD=2
-+VERSION = $(MAJOR).$(MINOR).$(BUILD)
-+CURRENT = 3
-+# MAJOR + BUILD
-+REVISION = $(MINOR)
-+AGE = $(BUILD)
-+LTVERSION = $(CURRENT):$(REVISION):$(AGE)
-+VERSADD = -Wl,--major-image-version=$(MAJOR) -Wl,--minor-image-version=$(MINOR)
-+
- LIBS=libz.a
- SHAREDLIB=libz.so
- SHAREDLIBV=libz.so.1.2.2
- SHAREDLIBM=libz.so.1
-+STATLIB=libz.a
-+IMPLIB=libz.dll.a
-+LIBS=$(STATLIB) $(IMPLIB) libz.lib libz-bcc.lib
-+SHAREDLIB=zlib.dll
-+SHAREDLIBV=zlib1.dll
-+SHAREDLIBM=zlib121.dll
-+EXTRALIBS=-lgw32c
-
- AR=ar rc
- RANLIB=ranlib
- TAR=tar
- SHELL=/bin/sh
--EXE=
-+EXE=.exe
-+
-+.SUFFIXES:
-+.SUFFIXES: .c .rc .o .exe
-
--prefix = /usr/local
-+%.E : %.c
-+ $(CPP) $(CFLAGS) -o $@ $<
-+%.pic.o : CFLAGS += -DZLIB_DLL
-+%.pic.o : %.c
-+ $(CC) -c $(CFLAGS) -o $@ $<
-+# Rule to make compiled resource (Windows)
-+.rc.o:
-+ windres -i $< -o $@
-+
-+prefix = c:/progra~1/Zlib
- exec_prefix = ${prefix}
-+bindir = ${exec_prefix}/lib
- libdir = ${exec_prefix}/lib
- includedir = ${prefix}/include
--mandir = ${prefix}/share/man
-+mandir = ${prefix}/man
- man3dir = ${mandir}/man3
-
- OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infback.o inftrees.o inffast.o
-+DLLOBJS = $(OBJS:.o=.pic.o) zlib-dll-res.o zlib-dllversion.o
-
- OBJA =
- # to use the asm code: make OBJA=match.o
-
- TEST_OBJS = example.o minigzip.o
-
--all: example$(EXE) minigzip$(EXE)
-+all: example minigzip example-static minigzip-static
-+
-
- check: test
- test: all
-@@ -67,7 +105,9 @@ test: all
- echo ' *** zlib test FAILED ***'; \
- fi
-
--libz.a: $(OBJS) $(OBJA)
-+$(IMPLIB): $(STATLIB) $(SHAREDLIBV)
-+
-+$(STATLIB): $(OBJS) $(OBJA)
- $(AR) $@ $(OBJS) $(OBJA)
- -@ ($(RANLIB) $@ || true) >/dev/null 2>&1
-
-@@ -77,35 +117,44 @@ match.o: match.S
- mv _match.o match.o
- rm -f _match.s
-
--$(SHAREDLIBV): $(OBJS)
-- $(LDSHARED) -o $@ $(OBJS)
-+$(SHAREDLIBV): $(DLLOBJS)
-+ $(LDSHARED) -o $(SHAREDLIB) -l $(IMPLIB) $(DLLOBJS) $(LDFLAGS) -version-info $(LTVERSION) $(EXTRALIBS)
- rm -f $(SHAREDLIB) $(SHAREDLIBM)
-- ln -s $@ $(SHAREDLIB)
-- ln -s $@ $(SHAREDLIBM)
-+# ln -s $@ $(SHAREDLIB)
-+# ln -s $@ $(SHAREDLIBM)
-+
-+example-static: example.o example-res.o $(STATLIB)
-+ $(CC) $(CFLAGS) -o $@ example.o example-res.o $(LDFLAGS) libz.a $(EXTRALIBS)
-+
-+example: example.pic.o example-res.o $(IMPLIB)
-+ $(CC) $(CFLAGS) -o $@ example.pic.o example-res.o $(LDFLAGS) libz.dll.a $(EXTRALIBS)
-
--example$(EXE): example.o $(LIBS)
-- $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS)
-+minigzip-static: minigzip.o minigzip-res.o $(STATLIB)
-+ $(CC) $(CFLAGS) -o $@ minigzip.o minigzip-res.o $(LDFLAGS) libz.a $(EXTRALIBS)
-
--minigzip$(EXE): minigzip.o $(LIBS)
-- $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS)
-+minigzip: minigzip.pic.o minigzip-res.o $(IMPLIB)
-+ $(CC) $(CFLAGS) -o $@ minigzip.pic.o minigzip-res.o $(LDFLAGS) libz.dll.a $(EXTRALIBS)
-
- install: $(LIBS)
- -@if [ ! -d $(exec_prefix) ]; then mkdir -p $(exec_prefix); fi
- -@if [ ! -d $(includedir) ]; then mkdir -p $(includedir); fi
- -@if [ ! -d $(libdir) ]; then mkdir -p $(libdir); fi
-+ -@if [ ! -d $(bindir) ]; then mkdir -p $(bindir); fi
- -@if [ ! -d $(man3dir) ]; then mkdir -p $(man3dir); fi
-- cp zlib.h zconf.h $(includedir)
-+ cp -fp zlib.h zconf.h $(includedir)
- chmod 644 $(includedir)/zlib.h $(includedir)/zconf.h
-- cp $(LIBS) $(libdir)
-+ cp -fp $(LIBS) $(libdir)
- cd $(libdir); chmod 755 $(LIBS)
- -@(cd $(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1
-- cd $(libdir); if test -f $(SHAREDLIBV); then \
-+ cp -fp $(SHAREDLIBV) $(bindir)
-+ cd $(bindir); chmod 755 $(SHAREDLIBV); \
-+# if test -f $(SHAREDLIBV); then \
- rm -f $(SHAREDLIB) $(SHAREDLIBM); \
- ln -s $(SHAREDLIBV) $(SHAREDLIB); \
- ln -s $(SHAREDLIBV) $(SHAREDLIBM); \
- (ldconfig || true) >/dev/null 2>&1; \
- fi
-- cp zlib.3 $(man3dir)
-+ cp -fp zlib.3 $(man3dir)
- chmod 644 $(man3dir)/zlib.3
- # The ranlib in install is needed on NeXTSTEP which checks file times
- # ldconfig is for Linux
-@@ -120,8 +169,8 @@ uninstall:
-
- mostlyclean: clean
- clean:
-- rm -f *.o *~ example$(EXE) minigzip$(EXE) \
-- libz.* foo.gz so_locations \
-+ rm -f *.o *.pic.o *~ example$(EXE) minigzip$(EXE) \
-+ libz.* $(LIBS) $(SHAREDLIBV) foo.gz so_locations \
- _match.s maketree contrib/infback9/*.o
-
- maintainer-clean: distclean
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/blast/Makefile zlib-1.2.2/contrib/blast/Makefile
---- zlib-1.2.2-orig/contrib/blast/Makefile 2003-03-03 06:45:22.000000000 +0100
-+++ zlib-1.2.2/contrib/blast/Makefile 2004-12-25 11:00:15.343750000 +0100
-@@ -1,5 +1,5 @@
- blast: blast.c blast.h
-- cc -DTEST -o blast blast.c
-+ gcc -DTEST -o blast blast.c
-
- test: blast
- blast < test.pk | cmp - test.txt
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/minizip/Makefile zlib-1.2.2/contrib/minizip/Makefile
---- zlib-1.2.2-orig/contrib/minizip/Makefile 2003-09-10 20:00:16.000000000 +0200
-+++ zlib-1.2.2/contrib/minizip/Makefile 2004-12-25 11:00:15.343750000 +0100
-@@ -1,8 +1,8 @@
--CC=cc
-+CC=gcc
- CFLAGS=-O -I../..
-
--UNZ_OBJS = miniunz.o unzip.o ioapi.o ../../libz.a
--ZIP_OBJS = minizip.o zip.o ioapi.o ../../libz.a
-+UNZ_OBJS = miniunz.o unzip.o iowin32.o ioapi.o ../../libz.a
-+ZIP_OBJS = minizip.o zip.o iowin32.o ioapi.o ../../libz.a
-
- .c.o:
- $(CC) -c $(CFLAGS) $*.c
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/minizip/miniunz.c zlib-1.2.2/contrib/minizip/miniunz.c
---- zlib-1.2.2-orig/contrib/minizip/miniunz.c 2004-10-04 04:45:05.000000000 +0200
-+++ zlib-1.2.2/contrib/minizip/miniunz.c 2004-12-25 11:00:15.359375000 +0100
-@@ -9,7 +9,6 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
--#include <time.h>
- #include <errno.h>
- #include <fcntl.h>
-
-@@ -20,6 +19,10 @@
- # include <direct.h>
- # include <io.h>
- #endif
-+#ifdef __WIN32__
-+#include <windows.h>
-+#endif
-+#include <time.h>
-
- #include "unzip.h"
-
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/minizip/minizip.c zlib-1.2.2/contrib/minizip/minizip.c
---- zlib-1.2.2-orig/contrib/minizip/minizip.c 2004-05-31 01:24:32.000000000 +0200
-+++ zlib-1.2.2/contrib/minizip/minizip.c 2004-12-25 11:00:15.359375000 +0100
-@@ -8,7 +8,6 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
--#include <time.h>
- #include <errno.h>
- #include <fcntl.h>
-
-@@ -21,6 +20,10 @@
- # include <direct.h>
- # include <io.h>
- #endif
-+#ifdef __WIN32__
-+#include <windows.h>
-+#endif
-+#include <time.h>
-
- #include "zip.h"
-
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/minizip/zip.c zlib-1.2.2/contrib/minizip/zip.c
---- zlib-1.2.2-orig/contrib/minizip/zip.c 2004-09-22 16:36:50.000000000 +0200
-+++ zlib-1.2.2/contrib/minizip/zip.c 2004-12-25 11:00:15.375000000 +0100
-@@ -13,6 +13,7 @@
- #include <time.h>
- #include "zlib.h"
- #include "zip.h"
-+#include "zutil.h"
-
- #ifdef STDC
- # include <stddef.h>
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/untgz/untgz.c zlib-1.2.2/contrib/untgz/untgz.c
---- zlib-1.2.2-orig/contrib/untgz/untgz.c 2004-03-07 07:00:00.000000000 +0100
-+++ zlib-1.2.2/contrib/untgz/untgz.c 2004-12-25 11:00:15.375000000 +0100
-@@ -9,7 +9,6 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
--#include <time.h>
- #include <errno.h>
-
- #include "zlib.h"
-@@ -32,9 +31,11 @@
- # define chmod(path,mode) _chmod(path,mode)
- # define strdup(str) _strdup(str)
- # endif
-+#include <windows.h>
- #else
- # include <utime.h>
- #endif
-+#include <time.h>
-
-
- /* values used in typeflag field */
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/gzio.c zlib-1.2.2/gzio.c
---- zlib-1.2.2-orig/gzio.c 2004-10-04 04:30:37.000000000 +0200
-+++ zlib-1.2.2/gzio.c 2004-12-25 11:00:15.390625000 +0100
-@@ -881,7 +881,7 @@ int ZEXPORT gzrewind (file)
- z_off_t ZEXPORT gztell (file)
- gzFile file;
- {
-- return gzseek(file, 0L, SEEK_CUR);
-+ return gzseek(file, 0LL, SEEK_CUR);
- }
-
- /* ===========================================================================
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/zconf.h zlib-1.2.2/zconf.h
---- zlib-1.2.2-orig/zconf.h 2004-05-30 22:38:00.000000000 +0200
-+++ zlib-1.2.2/zconf.h 2004-12-25 11:00:15.390625000 +0100
-@@ -278,7 +278,7 @@ typedef uLong FAR uLongf;
- typedef Byte *voidp;
- #endif
-
--#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
-+#if 1 /* HAVE_UNISTD_H -- this line is updated by ./configure */
- # include <sys/types.h> /* for off_t */
- # include <unistd.h> /* for SEEK_* and off_t */
- # ifdef VMS
+++ /dev/null
-Hmm... Looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/Makefile zlib-1.2.2/Makefile
-|--- zlib-1.2.2-orig/Makefile 2004-09-15 16:27:20.000000000 +0200
-|+++ zlib-1.2.2/Makefile 2005-01-02 13:29:11.187500000 +0100
---------------------------
-Patching file Makefile using Plan A...
-Hunk #1 FAILED at 16.
-Hunk #2 succeeded at 105.
-Hunk #3 succeeded at 117.
-Hunk #4 succeeded at 169.
-Not setting time of file Makefile (time mismatch)
-1 out of 4 hunks FAILED -- saving rejects to file Makefile.rej
-Hmm... The next patch looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/blast/Makefile zlib-1.2.2/contrib/blast/Makefile
-|--- zlib-1.2.2-orig/contrib/blast/Makefile 2003-03-03 06:45:22.000000000 +0100
-|+++ zlib-1.2.2/contrib/blast/Makefile 2004-12-25 11:00:15.343750000 +0100
---------------------------
-Patching file contrib/blast/Makefile using Plan A...
-Hunk #1 succeeded at 1.
-Hmm... The next patch looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/minizip/Makefile zlib-1.2.2/contrib/minizip/Makefile
-|--- zlib-1.2.2-orig/contrib/minizip/Makefile 2003-09-10 20:00:16.000000000 +0200
-|+++ zlib-1.2.2/contrib/minizip/Makefile 2004-12-25 11:00:15.343750000 +0100
---------------------------
-Patching file contrib/minizip/Makefile using Plan A...
-Hunk #1 succeeded at 1.
-Not setting time of file contrib/minizip/Makefile (time mismatch)
-Hmm... The next patch looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/minizip/miniunz.c zlib-1.2.2/contrib/minizip/miniunz.c
-|--- zlib-1.2.2-orig/contrib/minizip/miniunz.c 2004-10-04 04:45:05.000000000 +0200
-|+++ zlib-1.2.2/contrib/minizip/miniunz.c 2004-12-25 11:00:15.359375000 +0100
---------------------------
-Patching file contrib/minizip/miniunz.c using Plan A...
-Hunk #1 succeeded at 9.
-Hunk #2 succeeded at 19.
-Not setting time of file contrib/minizip/miniunz.c (time mismatch)
-Hmm... The next patch looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/minizip/minizip.c zlib-1.2.2/contrib/minizip/minizip.c
-|--- zlib-1.2.2-orig/contrib/minizip/minizip.c 2004-05-31 01:24:32.000000000 +0200
-|+++ zlib-1.2.2/contrib/minizip/minizip.c 2004-12-25 11:00:15.359375000 +0100
---------------------------
-Patching file contrib/minizip/minizip.c using Plan A...
-Hunk #1 succeeded at 8.
-Hunk #2 succeeded at 20.
-Not setting time of file contrib/minizip/minizip.c (time mismatch)
-Hmm... The next patch looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/minizip/zip.c zlib-1.2.2/contrib/minizip/zip.c
-|--- zlib-1.2.2-orig/contrib/minizip/zip.c 2004-09-22 16:36:50.000000000 +0200
-|+++ zlib-1.2.2/contrib/minizip/zip.c 2004-12-25 11:00:15.375000000 +0100
---------------------------
-Patching file contrib/minizip/zip.c using Plan A...
-Hunk #1 succeeded at 16 (offset 3 lines).
-Not setting time of file contrib/minizip/zip.c (time mismatch)
-Hmm... The next patch looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/contrib/untgz/untgz.c zlib-1.2.2/contrib/untgz/untgz.c
-|--- zlib-1.2.2-orig/contrib/untgz/untgz.c 2004-03-07 07:00:00.000000000 +0100
-|+++ zlib-1.2.2/contrib/untgz/untgz.c 2004-12-25 11:00:15.375000000 +0100
---------------------------
-Patching file contrib/untgz/untgz.c using Plan A...
-Hunk #1 succeeded at 9.
-Hunk #2 succeeded at 31.
-Hmm... The next patch looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/gzio.c zlib-1.2.2/gzio.c
-|--- zlib-1.2.2-orig/gzio.c 2004-10-04 04:30:37.000000000 +0200
-|+++ zlib-1.2.2/gzio.c 2004-12-25 11:00:15.390625000 +0100
---------------------------
-Patching file gzio.c using Plan A...
-Hunk #1 succeeded at 881.
-Not setting time of file gzio.c (time mismatch)
-Hmm... The next patch looks like a unified diff to me...
-The text leading up to this was:
---------------------------
-|diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.2-orig/zconf.h zlib-1.2.2/zconf.h
-|--- zlib-1.2.2-orig/zconf.h 2004-05-30 22:38:00.000000000 +0200
-|+++ zlib-1.2.2/zconf.h 2004-12-25 11:00:15.390625000 +0100
---------------------------
-Patching file zconf.h using Plan A...
-Hunk #1 succeeded at 284 (offset 6 lines).
-Not setting time of file zconf.h (time mismatch)
-done
+++ /dev/null
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/Makefile zlib-1.2.3/Makefile
---- zlib-1.2.3-orig/Makefile 2005-07-18 04:25:21.000000000 +0200
-+++ zlib-1.2.3/Makefile 2005-07-20 17:52:28.453125000 +0200
-@@ -16,45 +16,81 @@
- # To install in $HOME instead of /usr/local, use:
- # make install prefix=$HOME
-
--CC=cc
-+CC=gcc
-
- CFLAGS=-O
- #CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
- #CFLAGS=-g -DDEBUG
- #CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
- # -Wstrict-prototypes -Wmissing-prototypes
-+CFLAGS = -O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-+ -Wstrict-prototypes -Wmissing-prototypes \
-+ -D__GW32__ -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SOURCE=1 -D_FILE_OFFSET_BITS=64 \
-+ -mms-bitfields -fno-exceptions -fomit-frame-pointer -march=i386 -mcpu=i686 \
-+ -idirafter e:/progra~1/gnuwin32/include -idirafter h:/glibc/include
-
--LDFLAGS=libz.a
--LDSHARED=$(CC)
-+LDFLAGS=-Wl,-s $(VERSADD)
-+LDSHARED=o2dll
- CPP=$(CC) -E
-
-+MAJOR=1
-+MINOR=2
-+BUILD=3
-+VERSION = $(MAJOR).$(MINOR).$(BUILD)
-+CURRENT = 4# MAJOR + BUILD
-+REVISION = $(MINOR)
-+AGE = $(BUILD)
-+LTVERSION = $(CURRENT):$(REVISION):$(AGE)
-+VERSADD = -Wl,--major-image-version=$(MAJOR) -Wl,--minor-image-version=$(MINOR)
-+
- LIBS=libz.a
- SHAREDLIB=libz.so
- SHAREDLIBV=libz.so.1.2.3
- SHAREDLIBM=libz.so.1
-+STATLIB=libz.a
-+IMPLIB=libz.dll.a
-+LIBS=$(STATLIB) $(IMPLIB) zlib.lib zlib-bcc.lib
-+SHAREDLIB=zlib.dll
-+SHAREDLIBV=zlib1.dll
-+SHAREDLIBM=zlib121.dll
-+EXTRALIBS=-Le:/progra~1/gnuwin32/lib -lgw32c
-
- AR=ar rc
- RANLIB=ranlib
- TAR=tar
- SHELL=/bin/sh
--EXE=
-+EXE=.exe
-+
-+.SUFFIXES:
-+.SUFFIXES: .c .rc .o .exe
-+
-+%.E : %.c
-+ $(CPP) $(CFLAGS) -o $@ $<
-+%.pic.o : CFLAGS += -DZLIB_DLL
-+%.pic.o : %.c
-+ $(CC) -c $(CFLAGS) -o $@ $<
-+# Rule to make compiled resource (Windows)
-+.rc.o:
-+ windres -i $< -o $@
-
--prefix = /usr/local
-+prefix = c:/progra~1/Zlib
- exec_prefix = ${prefix}
-+bindir = ${exec_prefix}/lib
- libdir = ${exec_prefix}/lib
- includedir = ${prefix}/include
--mandir = ${prefix}/share/man
-+mandir = ${prefix}/man
- man3dir = ${mandir}/man3
-
- OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infback.o inftrees.o inffast.o
-+DLLOBJS = $(OBJS:.o=.pic.o) zlib-dll-res.o zlib-dllversion.o
-
- OBJA =
- # to use the asm code: make OBJA=match.o
-
- TEST_OBJS = example.o minigzip.o
-
--all: example$(EXE) minigzip$(EXE)
-+all: example minigzip example-static minigzip-static
-
- check: test
- test: all
-@@ -67,7 +103,9 @@ test: all
- echo ' *** zlib test FAILED ***'; \
- fi
-
--libz.a: $(OBJS) $(OBJA)
-+$(IMPLIB): $(STATLIB) $(SHAREDLIBV)
-+
-+$(STATLIB): $(OBJS) $(OBJA)
- $(AR) $@ $(OBJS) $(OBJA)
- -@ ($(RANLIB) $@ || true) >/dev/null 2>&1
-
-@@ -77,35 +115,45 @@ match.o: match.S
- mv _match.o match.o
- rm -f _match.s
-
--$(SHAREDLIBV): $(OBJS)
-- $(LDSHARED) -o $@ $(OBJS)
-+$(SHAREDLIBV): $(DLLOBJS)
-+ echo $(LDSHARED) -o $(SHAREDLIB) -l $(IMPLIB) $(DLLOBJS) $(LDFLAGS) -version-info $(LTVERSION) $(EXTRALIBS)
-+ $(LDSHARED) -o $(SHAREDLIB) -l $(IMPLIB) $(DLLOBJS) $(LDFLAGS) -version-info $(LTVERSION) $(EXTRALIBS)
- rm -f $(SHAREDLIB) $(SHAREDLIBM)
-- ln -s $@ $(SHAREDLIB)
-- ln -s $@ $(SHAREDLIBM)
-+# ln -s $@ $(SHAREDLIB)
-+# ln -s $@ $(SHAREDLIBM)
-+
-+example-static: example.o example-res.o $(STATLIB)
-+ $(CC) $(CFLAGS) -o $@ example.o example-res.o $(LDFLAGS) libz.a $(EXTRALIBS)
-+
-+example: example.pic.o example-res.o $(IMPLIB)
-+ $(CC) $(CFLAGS) -o $@ example.pic.o example-res.o $(LDFLAGS) libz.dll.a $(EXTRALIBS)
-
--example$(EXE): example.o $(LIBS)
-- $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS)
-+minigzip-static: minigzip.o minigzip-res.o $(STATLIB)
-+ $(CC) $(CFLAGS) -o $@ minigzip.o minigzip-res.o $(LDFLAGS) libz.a $(EXTRALIBS)
-
--minigzip$(EXE): minigzip.o $(LIBS)
-- $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS)
-+minigzip: minigzip.pic.o minigzip-res.o $(IMPLIB)
-+ $(CC) $(CFLAGS) -o $@ minigzip.pic.o minigzip-res.o $(LDFLAGS) libz.dll.a $(EXTRALIBS)
-
- install: $(LIBS)
- -@if [ ! -d $(exec_prefix) ]; then mkdir -p $(exec_prefix); fi
- -@if [ ! -d $(includedir) ]; then mkdir -p $(includedir); fi
- -@if [ ! -d $(libdir) ]; then mkdir -p $(libdir); fi
-+ -@if [ ! -d $(bindir) ]; then mkdir -p $(bindir); fi
- -@if [ ! -d $(man3dir) ]; then mkdir -p $(man3dir); fi
-- cp zlib.h zconf.h $(includedir)
-+ cp -fp zlib.h zconf.h $(includedir)
- chmod 644 $(includedir)/zlib.h $(includedir)/zconf.h
-- cp $(LIBS) $(libdir)
-+ cp -fp $(LIBS) $(libdir)
- cd $(libdir); chmod 755 $(LIBS)
- -@(cd $(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1
-- cd $(libdir); if test -f $(SHAREDLIBV); then \
-+ cp -fp $(SHAREDLIBV) $(bindir)
-+ cd $(bindir); chmod 755 $(SHAREDLIBV); \
-+# if test -f $(SHAREDLIBV); then \
- rm -f $(SHAREDLIB) $(SHAREDLIBM); \
- ln -s $(SHAREDLIBV) $(SHAREDLIB); \
- ln -s $(SHAREDLIBV) $(SHAREDLIBM); \
- (ldconfig || true) >/dev/null 2>&1; \
- fi
-- cp zlib.3 $(man3dir)
-+ cp -fp zlib.3 $(man3dir)
- chmod 644 $(man3dir)/zlib.3
- # The ranlib in install is needed on NeXTSTEP which checks file times
- # ldconfig is for Linux
-@@ -120,8 +168,8 @@ uninstall:
-
- mostlyclean: clean
- clean:
-- rm -f *.o *~ example$(EXE) minigzip$(EXE) \
-- libz.* foo.gz so_locations \
-+ rm -f *.o *.pic.o *~ example$(EXE) minigzip$(EXE) \
-+ libz.* $(LIBS) $(SHAREDLIBV) foo.gz so_locations \
- _match.s maketree contrib/infback9/*.o
-
- maintainer-clean: distclean
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/contrib/blast/Makefile zlib-1.2.3/contrib/blast/Makefile
---- zlib-1.2.3-orig/contrib/blast/Makefile 2003-03-03 06:45:22.000000000 +0100
-+++ zlib-1.2.3/contrib/blast/Makefile 2004-12-25 11:00:15.000000000 +0100
-@@ -1,5 +1,5 @@
- blast: blast.c blast.h
-- cc -DTEST -o blast blast.c
-+ gcc -DTEST -o blast blast.c
-
- test: blast
- blast < test.pk | cmp - test.txt
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/contrib/minizip/Makefile zlib-1.2.3/contrib/minizip/Makefile
---- zlib-1.2.3-orig/contrib/minizip/Makefile 2005-07-12 20:08:40.000000000 +0200
-+++ zlib-1.2.3/contrib/minizip/Makefile 2005-07-20 17:40:26.093750000 +0200
-@@ -1,8 +1,8 @@
--CC=cc
-+CC=gcc
- CFLAGS=-O -I../..
-
--UNZ_OBJS = miniunz.o unzip.o ioapi.o ../../libz.a
--ZIP_OBJS = minizip.o zip.o ioapi.o ../../libz.a
-+UNZ_OBJS = miniunz.o unzip.o iowin32.o ioapi.o ../../libz.a
-+ZIP_OBJS = minizip.o zip.o iowin32.o ioapi.o ../../libz.a
-
- .c.o:
- $(CC) -c $(CFLAGS) $*.c
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/contrib/minizip/miniunz.c zlib-1.2.3/contrib/minizip/miniunz.c
---- zlib-1.2.3-orig/contrib/minizip/miniunz.c 2005-07-12 20:08:40.000000000 +0200
-+++ zlib-1.2.3/contrib/minizip/miniunz.c 2005-07-20 17:40:26.093750000 +0200
-@@ -9,7 +9,6 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
--#include <time.h>
- #include <errno.h>
- #include <fcntl.h>
-
-@@ -20,6 +19,10 @@
- # include <direct.h>
- # include <io.h>
- #endif
-+#ifdef __WIN32__
-+#include <windows.h>
-+#endif
-+#include <time.h>
-
- #include "unzip.h"
-
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/contrib/minizip/minizip.c zlib-1.2.3/contrib/minizip/minizip.c
---- zlib-1.2.3-orig/contrib/minizip/minizip.c 2005-07-12 20:08:40.000000000 +0200
-+++ zlib-1.2.3/contrib/minizip/minizip.c 2005-07-20 17:40:26.109375000 +0200
-@@ -8,7 +8,6 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
--#include <time.h>
- #include <errno.h>
- #include <fcntl.h>
-
-@@ -21,6 +20,10 @@
- # include <direct.h>
- # include <io.h>
- #endif
-+#ifdef __WIN32__
-+#include <windows.h>
-+#endif
-+#include <time.h>
-
- #include "zip.h"
-
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/contrib/minizip/zip.c zlib-1.2.3/contrib/minizip/zip.c
---- zlib-1.2.3-orig/contrib/minizip/zip.c 2005-07-12 20:08:40.000000000 +0200
-+++ zlib-1.2.3/contrib/minizip/zip.c 2005-07-20 17:40:26.109375000 +0200
-@@ -16,6 +16,7 @@
- #include <time.h>
- #include "zlib.h"
- #include "zip.h"
-+#include "zutil.h"
-
- #ifdef STDC
- # include <stddef.h>
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/contrib/untgz/untgz.c zlib-1.2.3/contrib/untgz/untgz.c
---- zlib-1.2.3-orig/contrib/untgz/untgz.c 2004-03-07 07:00:00.000000000 +0100
-+++ zlib-1.2.3/contrib/untgz/untgz.c 2004-12-25 11:00:15.000000000 +0100
-@@ -9,7 +9,6 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
--#include <time.h>
- #include <errno.h>
-
- #include "zlib.h"
-@@ -32,9 +31,11 @@
- # define chmod(path,mode) _chmod(path,mode)
- # define strdup(str) _strdup(str)
- # endif
-+#include <windows.h>
- #else
- # include <utime.h>
- #endif
-+#include <time.h>
-
-
- /* values used in typeflag field */
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/gzio.c zlib-1.2.3/gzio.c
---- zlib-1.2.3-orig/gzio.c 2005-07-11 22:31:48.000000000 +0200
-+++ zlib-1.2.3/gzio.c 2005-07-20 17:40:26.125000000 +0200
-@@ -881,7 +881,7 @@ int ZEXPORT gzrewind (file)
- z_off_t ZEXPORT gztell (file)
- gzFile file;
- {
-- return gzseek(file, 0L, SEEK_CUR);
-+ return gzseek(file, 0LL, SEEK_CUR);
- }
-
- /* ===========================================================================
-diff -ipuwr -x config.log -x config.status -x config.cache -x '*.Po' -x '*.pot' -x '*.bak' -x '*.orig' -x '*.rej' -x '*.new' -x '*~' -x '*.o' -x '*.exe' -x patches -x '*.dll' -x'*.la' -x res -x debian -x '*.log' -x '*.lib' -x'*.a' -x .libs -x'*.def' -x'*.uu' -x'*.rc' zlib-1.2.3-orig/zconf.h zlib-1.2.3/zconf.h
---- zlib-1.2.3-orig/zconf.h 2005-05-28 08:40:35.000000000 +0200
-+++ zlib-1.2.3/zconf.h 2005-07-20 17:40:26.125000000 +0200
-@@ -284,7 +284,7 @@ typedef uLong FAR uLongf;
- typedef Byte *voidp;
- #endif
-
--#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
-+#if 1 /* HAVE_UNISTD_H -- this line is updated by ./configure */
- # include <sys/types.h> /* for off_t */
- # include <unistd.h> /* for SEEK_* and off_t */
- # ifdef VMS
+++ /dev/null
-/* See: http://msdn.microsoft.com/library/en-us/shellcc/platform/shell/programmersguide/versions.asp */
-#include <windows.h>
-#include <shlwapi.h>
-#ifdef __cplusplus
-extern "C" {
-#endif
-/* __declspec(dllexport) */ HRESULT DllGetVersion (DLLVERSIONINFO2 *pdvi);
-#ifdef __cplusplus
-}
-#endif
-
-HRESULT DllGetVersion (DLLVERSIONINFO2 *pdvi)
-{
- if ( !pdvi || (pdvi->info1.cbSize != sizeof (*pdvi)) )
- return (E_INVALIDARG);
- pdvi->info1.dwMajorVersion = 1;
- pdvi->info1.dwMinorVersion = 2;
- pdvi->info1.dwBuildNumber = 3;
- pdvi->info1.dwPlatformID = DLLVER_PLATFORM_WINDOWS;
- if (pdvi->info1.cbSize == sizeof (DLLVERSIONINFO2))
- pdvi->ullVersion = MAKEDLLVERULL (1, 2, 3, 2027);
- return S_OK;
-}
+++ /dev/null
-This directory contains project files for building zlib under various
-Integrated Development Environments (IDE).
-
-If you wish to submit a new project to this directory, you should comply
-to the following requirements. Otherwise (e.g. if you wish to integrate
-a custom piece of code that changes the zlib interface or its behavior),
-please consider submitting the project to the contrib directory.
-
-
-Requirements
-============
-
-- The project must build zlib using the source files from the official
- zlib source distribution, exclusively.
-
-- If the project produces redistributable builds (e.g. shared objects
- or DLL files), these builds must be compatible to those produced by
- makefiles, if such makefiles exist in the zlib distribution.
- In particular, if the project produces a DLL build for the Win32
- platform, this build must comply to the officially-ammended Win32 DLL
- Application Binary Interface (ABI), described in win32/DLL_FAQ.txt.
-
-- The project may provide additional build targets, which depend on
- 3rd-party (unofficially-supported) software, present in the contrib
- directory. For example, it is possible to provide an "ASM build",
- besides the officially-supported build, and have ASM source files
- among its dependencies.
-
-- If there are significant differences between the project files created
- by different versions of an IDE (e.g. Visual C++ 6.0 vs. 7.0), the name
- of the project directory should contain the version number of the IDE
- for which the project is intended (e.g. "visualc6" for Visual C++ 6.0,
- or "visualc7" for Visual C++ 7.0 and 7.1).
-
-
-Current projects
-================
-
-visualc6/ by Simon-Pierre Cadieux <methodex@methodex.ca>
- and Cosmin Truta <cosmint@cs.ubbcluj.ro>
- Project for Microsoft Visual C++ 6.0
+++ /dev/null
-Microsoft Developer Studio Project Files, Format Version 6.00 for zlib.
-
-Copyright (C) 2000-2004 Simon-Pierre Cadieux.
-Copyright (C) 2004 Cosmin Truta.
-For conditions of distribution and use, see copyright notice in zlib.h.
-
-
-This project builds the zlib binaries as follows:
-
-* Win32_DLL_Release\zlib1.dll DLL build
-* Win32_DLL_Debug\zlib1d.dll DLL build (debug version)
-* Win32_DLL_ASM_Release\zlib1.dll DLL build using ASM code
-* Win32_DLL_ASM_Debug\zlib1d.dll DLL build using ASM code (debug version)
-* Win32_LIB_Release\zlib.lib static build
-* Win32_LIB_Debug\zlibd.lib static build (debug version)
-* Win32_LIB_ASM_Release\zlib.lib static build using ASM code
-* Win32_LIB_ASM_Debug\zlibd.lib static build using ASM code (debug version)
-
-
-For more information regarding the DLL builds, please see the DLL FAQ
-in ..\..\win32\DLL_FAQ.txt.
-
-
-To build and test:
-
-1) On the main menu, select "File | Open Workspace".
- Open "zlib.dsw".
-
-2) Select "Build | Set Active Configuration".
- Choose the configuration you wish to build.
-
-3) Select "Build | Clean".
-
-4) Select "Build | Build ... (F7)". Ignore warning messages about
- not being able to find certain include files (e.g. alloc.h).
-
-5) If you built one of the sample programs (example or minigzip),
- select "Build | Execute ... (Ctrl+F5)".
-
-
-To use:
-
-1) Select "Project | Settings (Alt+F7)".
- Make note of the configuration names used in your project.
- Usually, these names are "Win32 Release" and "Win32 Debug".
-
-2) In the Workspace window, select the "FileView" tab.
- Right-click on the root item "Workspace '...'".
- Select "Insert Project into Workspace".
- Switch on the checkbox "Dependency of:", and select the name
- of your project. Open "zlib.dsp".
-
-3) Select "Build | Configurations".
- For each configuration of your project:
- 3.1) Choose the zlib configuration you wish to use.
- 3.2) Click on "Add".
- 3.3) Set the new zlib configuration name to the name used by
- the configuration from the current iteration.
-
-4) Select "Build | Set Active Configuration".
- Choose the configuration you wish to build.
-
-5) Select "Build | Build ... (F7)".
-
-6) If you built an executable program, select
- "Build | Execute ... (Ctrl+F5)".
-
-
-Note:
-
-To build the ASM-enabled code, you need Microsoft Assembler
-(ML.EXE). You can get it by downloading and installing the
-latest Processor Pack for Visual C++ 6.0.
+++ /dev/null
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-/* trees.c -- output deflated data using Huffman coding
- * Copyright (C) 1995-2005 Jean-loup Gailly
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/*
- * ALGORITHM
- *
- * The "deflation" process uses several Huffman trees. The more
- * common source values are represented by shorter bit sequences.
- *
- * Each code tree is stored in a compressed form which is itself
- * a Huffman encoding of the lengths of all the code strings (in
- * ascending order by source values). The actual code strings are
- * reconstructed from the lengths in the inflate process, as described
- * in the deflate specification.
- *
- * REFERENCES
- *
- * Deutsch, L.P.,"'Deflate' Compressed Data Format Specification".
- * Available in ftp.uu.net:/pub/archiving/zip/doc/deflate-1.1.doc
- *
- * Storer, James A.
- * Data Compression: Methods and Theory, pp. 49-50.
- * Computer Science Press, 1988. ISBN 0-7167-8156-5.
- *
- * Sedgewick, R.
- * Algorithms, p290.
- * Addison-Wesley, 1983. ISBN 0-201-06672-6.
- */
-
-/* @(#) $Id$ */
-
-/* #define GEN_TREES_H */
-
-#include "deflate.h"
-
-#ifdef DEBUG
-# include <ctype.h>
-#endif
-
-/* ===========================================================================
- * Constants
- */
-
-#define MAX_BL_BITS 7
-/* Bit length codes must not exceed MAX_BL_BITS bits */
-
-#define END_BLOCK 256
-/* end of block literal code */
-
-#define REP_3_6 16
-/* repeat previous bit length 3-6 times (2 bits of repeat count) */
-
-#define REPZ_3_10 17
-/* repeat a zero length 3-10 times (3 bits of repeat count) */
-
-#define REPZ_11_138 18
-/* repeat a zero length 11-138 times (7 bits of repeat count) */
-
-local const int extra_lbits[LENGTH_CODES] /* extra bits for each length code */
- = {0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0};
-
-local const int extra_dbits[D_CODES] /* extra bits for each distance code */
- = {0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13};
-
-local const int extra_blbits[BL_CODES]/* extra bits for each bit length code */
- = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7};
-
-local const uch bl_order[BL_CODES]
- = {16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15};
-/* The lengths of the bit length codes are sent in order of decreasing
- * probability, to avoid transmitting the lengths for unused bit length codes.
- */
-
-#define Buf_size (8 * 2*sizeof(char))
-/* Number of bits used within bi_buf. (bi_buf might be implemented on
- * more than 16 bits on some systems.)
- */
-
-/* ===========================================================================
- * Local data. These are initialized only once.
- */
-
-#define DIST_CODE_LEN 512 /* see definition of array dist_code below */
-
-#if defined(GEN_TREES_H) || !defined(STDC)
-/* non ANSI compilers may not accept trees.h */
-
-local ct_data static_ltree[L_CODES+2];
-/* The static literal tree. Since the bit lengths are imposed, there is no
- * need for the L_CODES extra codes used during heap construction. However
- * The codes 286 and 287 are needed to build a canonical tree (see _tr_init
- * below).
- */
-
-local ct_data static_dtree[D_CODES];
-/* The static distance tree. (Actually a trivial tree since all codes use
- * 5 bits.)
- */
-
-uch _dist_code[DIST_CODE_LEN];
-/* Distance codes. The first 256 values correspond to the distances
- * 3 .. 258, the last 256 values correspond to the top 8 bits of
- * the 15 bit distances.
- */
-
-uch _length_code[MAX_MATCH-MIN_MATCH+1];
-/* length code for each normalized match length (0 == MIN_MATCH) */
-
-local int base_length[LENGTH_CODES];
-/* First normalized length for each code (0 = MIN_MATCH) */
-
-local int base_dist[D_CODES];
-/* First normalized distance for each code (0 = distance of 1) */
-
-#else
-# include "trees.h"
-#endif /* GEN_TREES_H */
-
-struct static_tree_desc_s {
- const ct_data *static_tree; /* static tree or NULL */
- const intf *extra_bits; /* extra bits for each code or NULL */
- int extra_base; /* base index for extra_bits */
- int elems; /* max number of elements in the tree */
- int max_length; /* max bit length for the codes */
-};
-
-local static_tree_desc static_l_desc =
-{static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS};
-
-local static_tree_desc static_d_desc =
-{static_dtree, extra_dbits, 0, D_CODES, MAX_BITS};
-
-local static_tree_desc static_bl_desc =
-{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS};
-
-/* ===========================================================================
- * Local (static) routines in this file.
- */
-
-local void tr_static_init OF((void));
-local void init_block OF((deflate_state *s));
-local void pqdownheap OF((deflate_state *s, ct_data *tree, int k));
-local void gen_bitlen OF((deflate_state *s, tree_desc *desc));
-local void gen_codes OF((ct_data *tree, int max_code, ushf *bl_count));
-local void build_tree OF((deflate_state *s, tree_desc *desc));
-local void scan_tree OF((deflate_state *s, ct_data *tree, int max_code));
-local void send_tree OF((deflate_state *s, ct_data *tree, int max_code));
-local int build_bl_tree OF((deflate_state *s));
-local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes,
- int blcodes));
-local void compress_block OF((deflate_state *s, ct_data *ltree,
- ct_data *dtree));
-local void set_data_type OF((deflate_state *s));
-local unsigned bi_reverse OF((unsigned value, int length));
-local void bi_windup OF((deflate_state *s));
-local void bi_flush OF((deflate_state *s));
-local void copy_block OF((deflate_state *s, charf *buf, unsigned len,
- int header));
-
-#ifdef GEN_TREES_H
-local void gen_trees_header OF((void));
-#endif
-
-#ifndef DEBUG
-# define send_code(s, c, tree) send_bits(s, tree[c].Code, tree[c].Len)
- /* Send a code of the given tree. c and tree must not have side effects */
-
-#else /* DEBUG */
-# define send_code(s, c, tree) \
- { if (z_verbose>2) fprintf(stderr,"\ncd %3d ",(c)); \
- send_bits(s, tree[c].Code, tree[c].Len); }
-#endif
-
-/* ===========================================================================
- * Output a short LSB first on the stream.
- * IN assertion: there is enough room in pendingBuf.
- */
-#define put_short(s, w) { \
- put_byte(s, (uch)((w) & 0xff)); \
- put_byte(s, (uch)((ush)(w) >> 8)); \
-}
-
-/* ===========================================================================
- * Send a value on a given number of bits.
- * IN assertion: length <= 16 and value fits in length bits.
- */
-#ifdef DEBUG
-local void send_bits OF((deflate_state *s, int value, int length));
-
-local void send_bits(s, value, length)
- deflate_state *s;
- int value; /* value to send */
- int length; /* number of bits */
-{
- Tracevv((stderr," l %2d v %4x ", length, value));
- Assert(length > 0 && length <= 15, "invalid length");
- s->bits_sent += (ulg)length;
-
- /* If not enough room in bi_buf, use (valid) bits from bi_buf and
- * (16 - bi_valid) bits from value, leaving (width - (16-bi_valid))
- * unused bits in value.
- */
- if (s->bi_valid > (int)Buf_size - length) {
- s->bi_buf |= (value << s->bi_valid);
- put_short(s, s->bi_buf);
- s->bi_buf = (ush)value >> (Buf_size - s->bi_valid);
- s->bi_valid += length - Buf_size;
- } else {
- s->bi_buf |= value << s->bi_valid;
- s->bi_valid += length;
- }
-}
-#else /* !DEBUG */
-
-#define send_bits(s, value, length) \
-{ int len = length;\
- if (s->bi_valid > (int)Buf_size - len) {\
- int val = value;\
- s->bi_buf |= (val << s->bi_valid);\
- put_short(s, s->bi_buf);\
- s->bi_buf = (ush)val >> (Buf_size - s->bi_valid);\
- s->bi_valid += len - Buf_size;\
- } else {\
- s->bi_buf |= (value) << s->bi_valid;\
- s->bi_valid += len;\
- }\
-}
-#endif /* DEBUG */
-
-
-/* the arguments must not have side effects */
-
-/* ===========================================================================
- * Initialize the various 'constant' tables.
- */
-local void tr_static_init()
-{
-#if defined(GEN_TREES_H) || !defined(STDC)
- static int static_init_done = 0;
- int n; /* iterates over tree elements */
- int bits; /* bit counter */
- int length; /* length value */
- int code; /* code value */
- int dist; /* distance index */
- ush bl_count[MAX_BITS+1];
- /* number of codes at each bit length for an optimal tree */
-
- if (static_init_done) return;
-
- /* For some embedded targets, global variables are not initialized: */
- static_l_desc.static_tree = static_ltree;
- static_l_desc.extra_bits = extra_lbits;
- static_d_desc.static_tree = static_dtree;
- static_d_desc.extra_bits = extra_dbits;
- static_bl_desc.extra_bits = extra_blbits;
-
- /* Initialize the mapping length (0..255) -> length code (0..28) */
- length = 0;
- for (code = 0; code < LENGTH_CODES-1; code++) {
- base_length[code] = length;
- for (n = 0; n < (1<<extra_lbits[code]); n++) {
- _length_code[length++] = (uch)code;
- }
- }
- Assert (length == 256, "tr_static_init: length != 256");
- /* Note that the length 255 (match length 258) can be represented
- * in two different ways: code 284 + 5 bits or code 285, so we
- * overwrite length_code[255] to use the best encoding:
- */
- _length_code[length-1] = (uch)code;
-
- /* Initialize the mapping dist (0..32K) -> dist code (0..29) */
- dist = 0;
- for (code = 0 ; code < 16; code++) {
- base_dist[code] = dist;
- for (n = 0; n < (1<<extra_dbits[code]); n++) {
- _dist_code[dist++] = (uch)code;
- }
- }
- Assert (dist == 256, "tr_static_init: dist != 256");
- dist >>= 7; /* from now on, all distances are divided by 128 */
- for ( ; code < D_CODES; code++) {
- base_dist[code] = dist << 7;
- for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) {
- _dist_code[256 + dist++] = (uch)code;
- }
- }
- Assert (dist == 256, "tr_static_init: 256+dist != 512");
-
- /* Construct the codes of the static literal tree */
- for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0;
- n = 0;
- while (n <= 143) static_ltree[n++].Len = 8, bl_count[8]++;
- while (n <= 255) static_ltree[n++].Len = 9, bl_count[9]++;
- while (n <= 279) static_ltree[n++].Len = 7, bl_count[7]++;
- while (n <= 287) static_ltree[n++].Len = 8, bl_count[8]++;
- /* Codes 286 and 287 do not exist, but we must include them in the
- * tree construction to get a canonical Huffman tree (longest code
- * all ones)
- */
- gen_codes((ct_data *)static_ltree, L_CODES+1, bl_count);
-
- /* The static distance tree is trivial: */
- for (n = 0; n < D_CODES; n++) {
- static_dtree[n].Len = 5;
- static_dtree[n].Code = bi_reverse((unsigned)n, 5);
- }
- static_init_done = 1;
-
-# ifdef GEN_TREES_H
- gen_trees_header();
-# endif
-#endif /* defined(GEN_TREES_H) || !defined(STDC) */
-}
-
-/* ===========================================================================
- * Genererate the file trees.h describing the static trees.
- */
-#ifdef GEN_TREES_H
-# ifndef DEBUG
-# include <stdio.h>
-# endif
-
-# define SEPARATOR(i, last, width) \
- ((i) == (last)? "\n};\n\n" : \
- ((i) % (width) == (width)-1 ? ",\n" : ", "))
-
-void gen_trees_header()
-{
- FILE *header = fopen("trees.h", "w");
- int i;
-
- Assert (header != NULL, "Can't open trees.h");
- fprintf(header,
- "/* header created automatically with -DGEN_TREES_H */\n\n");
-
- fprintf(header, "local const ct_data static_ltree[L_CODES+2] = {\n");
- for (i = 0; i < L_CODES+2; i++) {
- fprintf(header, "{{%3u},{%3u}}%s", static_ltree[i].Code,
- static_ltree[i].Len, SEPARATOR(i, L_CODES+1, 5));
- }
-
- fprintf(header, "local const ct_data static_dtree[D_CODES] = {\n");
- for (i = 0; i < D_CODES; i++) {
- fprintf(header, "{{%2u},{%2u}}%s", static_dtree[i].Code,
- static_dtree[i].Len, SEPARATOR(i, D_CODES-1, 5));
- }
-
- fprintf(header, "const uch _dist_code[DIST_CODE_LEN] = {\n");
- for (i = 0; i < DIST_CODE_LEN; i++) {
- fprintf(header, "%2u%s", _dist_code[i],
- SEPARATOR(i, DIST_CODE_LEN-1, 20));
- }
-
- fprintf(header, "const uch _length_code[MAX_MATCH-MIN_MATCH+1]= {\n");
- for (i = 0; i < MAX_MATCH-MIN_MATCH+1; i++) {
- fprintf(header, "%2u%s", _length_code[i],
- SEPARATOR(i, MAX_MATCH-MIN_MATCH, 20));
- }
-
- fprintf(header, "local const int base_length[LENGTH_CODES] = {\n");
- for (i = 0; i < LENGTH_CODES; i++) {
- fprintf(header, "%1u%s", base_length[i],
- SEPARATOR(i, LENGTH_CODES-1, 20));
- }
-
- fprintf(header, "local const int base_dist[D_CODES] = {\n");
- for (i = 0; i < D_CODES; i++) {
- fprintf(header, "%5u%s", base_dist[i],
- SEPARATOR(i, D_CODES-1, 10));
- }
-
- fclose(header);
-}
-#endif /* GEN_TREES_H */
-
-/* ===========================================================================
- * Initialize the tree data structures for a new zlib stream.
- */
-void _tr_init(s)
- deflate_state *s;
-{
- tr_static_init();
-
- s->l_desc.dyn_tree = s->dyn_ltree;
- s->l_desc.stat_desc = &static_l_desc;
-
- s->d_desc.dyn_tree = s->dyn_dtree;
- s->d_desc.stat_desc = &static_d_desc;
-
- s->bl_desc.dyn_tree = s->bl_tree;
- s->bl_desc.stat_desc = &static_bl_desc;
-
- s->bi_buf = 0;
- s->bi_valid = 0;
- s->last_eob_len = 8; /* enough lookahead for inflate */
-#ifdef DEBUG
- s->compressed_len = 0L;
- s->bits_sent = 0L;
-#endif
-
- /* Initialize the first block of the first file: */
- init_block(s);
-}
-
-/* ===========================================================================
- * Initialize a new block.
- */
-local void init_block(s)
- deflate_state *s;
-{
- int n; /* iterates over tree elements */
-
- /* Initialize the trees. */
- for (n = 0; n < L_CODES; n++) s->dyn_ltree[n].Freq = 0;
- for (n = 0; n < D_CODES; n++) s->dyn_dtree[n].Freq = 0;
- for (n = 0; n < BL_CODES; n++) s->bl_tree[n].Freq = 0;
-
- s->dyn_ltree[END_BLOCK].Freq = 1;
- s->opt_len = s->static_len = 0L;
- s->last_lit = s->matches = 0;
-}
-
-#define SMALLEST 1
-/* Index within the heap array of least frequent node in the Huffman tree */
-
-
-/* ===========================================================================
- * Remove the smallest element from the heap and recreate the heap with
- * one less element. Updates heap and heap_len.
- */
-#define pqremove(s, tree, top) \
-{\
- top = s->heap[SMALLEST]; \
- s->heap[SMALLEST] = s->heap[s->heap_len--]; \
- pqdownheap(s, tree, SMALLEST); \
-}
-
-/* ===========================================================================
- * Compares to subtrees, using the tree depth as tie breaker when
- * the subtrees have equal frequency. This minimizes the worst case length.
- */
-#define smaller(tree, n, m, depth) \
- (tree[n].Freq < tree[m].Freq || \
- (tree[n].Freq == tree[m].Freq && depth[n] <= depth[m]))
-
-/* ===========================================================================
- * Restore the heap property by moving down the tree starting at node k,
- * exchanging a node with the smallest of its two sons if necessary, stopping
- * when the heap property is re-established (each father smaller than its
- * two sons).
- */
-local void pqdownheap(s, tree, k)
- deflate_state *s;
- ct_data *tree; /* the tree to restore */
- int k; /* node to move down */
-{
- int v = s->heap[k];
- int j = k << 1; /* left son of k */
- while (j <= s->heap_len) {
- /* Set j to the smallest of the two sons: */
- if (j < s->heap_len &&
- smaller(tree, s->heap[j+1], s->heap[j], s->depth)) {
- j++;
- }
- /* Exit if v is smaller than both sons */
- if (smaller(tree, v, s->heap[j], s->depth)) break;
-
- /* Exchange v with the smallest son */
- s->heap[k] = s->heap[j]; k = j;
-
- /* And continue down the tree, setting j to the left son of k */
- j <<= 1;
- }
- s->heap[k] = v;
-}
-
-/* ===========================================================================
- * Compute the optimal bit lengths for a tree and update the total bit length
- * for the current block.
- * IN assertion: the fields freq and dad are set, heap[heap_max] and
- * above are the tree nodes sorted by increasing frequency.
- * OUT assertions: the field len is set to the optimal bit length, the
- * array bl_count contains the frequencies for each bit length.
- * The length opt_len is updated; static_len is also updated if stree is
- * not null.
- */
-local void gen_bitlen(s, desc)
- deflate_state *s;
- tree_desc *desc; /* the tree descriptor */
-{
- ct_data *tree = desc->dyn_tree;
- int max_code = desc->max_code;
- const ct_data *stree = desc->stat_desc->static_tree;
- const intf *extra = desc->stat_desc->extra_bits;
- int base = desc->stat_desc->extra_base;
- int max_length = desc->stat_desc->max_length;
- int h; /* heap index */
- int n, m; /* iterate over the tree elements */
- int bits; /* bit length */
- int xbits; /* extra bits */
- ush f; /* frequency */
- int overflow = 0; /* number of elements with bit length too large */
-
- for (bits = 0; bits <= MAX_BITS; bits++) s->bl_count[bits] = 0;
-
- /* In a first pass, compute the optimal bit lengths (which may
- * overflow in the case of the bit length tree).
- */
- tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */
-
- for (h = s->heap_max+1; h < HEAP_SIZE; h++) {
- n = s->heap[h];
- bits = tree[tree[n].Dad].Len + 1;
- if (bits > max_length) bits = max_length, overflow++;
- tree[n].Len = (ush)bits;
- /* We overwrite tree[n].Dad which is no longer needed */
-
- if (n > max_code) continue; /* not a leaf node */
-
- s->bl_count[bits]++;
- xbits = 0;
- if (n >= base) xbits = extra[n-base];
- f = tree[n].Freq;
- s->opt_len += (ulg)f * (bits + xbits);
- if (stree) s->static_len += (ulg)f * (stree[n].Len + xbits);
- }
- if (overflow == 0) return;
-
- Trace((stderr,"\nbit length overflow\n"));
- /* This happens for example on obj2 and pic of the Calgary corpus */
-
- /* Find the first bit length which could increase: */
- do {
- bits = max_length-1;
- while (s->bl_count[bits] == 0) bits--;
- s->bl_count[bits]--; /* move one leaf down the tree */
- s->bl_count[bits+1] += 2; /* move one overflow item as its brother */
- s->bl_count[max_length]--;
- /* The brother of the overflow item also moves one step up,
- * but this does not affect bl_count[max_length]
- */
- overflow -= 2;
- } while (overflow > 0);
-
- /* Now recompute all bit lengths, scanning in increasing frequency.
- * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all
- * lengths instead of fixing only the wrong ones. This idea is taken
- * from 'ar' written by Haruhiko Okumura.)
- */
- for (bits = max_length; bits != 0; bits--) {
- n = s->bl_count[bits];
- while (n != 0) {
- m = s->heap[--h];
- if (m > max_code) continue;
- if ((unsigned) tree[m].Len != (unsigned) bits) {
- Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits));
- s->opt_len += ((long)bits - (long)tree[m].Len)
- *(long)tree[m].Freq;
- tree[m].Len = (ush)bits;
- }
- n--;
- }
- }
-}
-
-/* ===========================================================================
- * Generate the codes for a given tree and bit counts (which need not be
- * optimal).
- * IN assertion: the array bl_count contains the bit length statistics for
- * the given tree and the field len is set for all tree elements.
- * OUT assertion: the field code is set for all tree elements of non
- * zero code length.
- */
-local void gen_codes (tree, max_code, bl_count)
- ct_data *tree; /* the tree to decorate */
- int max_code; /* largest code with non zero frequency */
- ushf *bl_count; /* number of codes at each bit length */
-{
- ush next_code[MAX_BITS+1]; /* next code value for each bit length */
- ush code = 0; /* running code value */
- int bits; /* bit index */
- int n; /* code index */
-
- /* The distribution counts are first used to generate the code values
- * without bit reversal.
- */
- for (bits = 1; bits <= MAX_BITS; bits++) {
- next_code[bits] = code = (code + bl_count[bits-1]) << 1;
- }
- /* Check that the bit counts in bl_count are consistent. The last code
- * must be all ones.
- */
- Assert (code + bl_count[MAX_BITS]-1 == (1<<MAX_BITS)-1,
- "inconsistent bit counts");
- Tracev((stderr,"\ngen_codes: max_code %d ", max_code));
-
- for (n = 0; n <= max_code; n++) {
- int len = tree[n].Len;
- if (len == 0) continue;
- /* Now reverse the bits */
- tree[n].Code = bi_reverse(next_code[len]++, len);
-
- Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
- n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1));
- }
-}
-
-/* ===========================================================================
- * Construct one Huffman tree and assigns the code bit strings and lengths.
- * Update the total bit length for the current block.
- * IN assertion: the field freq is set for all tree elements.
- * OUT assertions: the fields len and code are set to the optimal bit length
- * and corresponding code. The length opt_len is updated; static_len is
- * also updated if stree is not null. The field max_code is set.
- */
-local void build_tree(s, desc)
- deflate_state *s;
- tree_desc *desc; /* the tree descriptor */
-{
- ct_data *tree = desc->dyn_tree;
- const ct_data *stree = desc->stat_desc->static_tree;
- int elems = desc->stat_desc->elems;
- int n, m; /* iterate over heap elements */
- int max_code = -1; /* largest code with non zero frequency */
- int node; /* new node being created */
-
- /* Construct the initial heap, with least frequent element in
- * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1].
- * heap[0] is not used.
- */
- s->heap_len = 0, s->heap_max = HEAP_SIZE;
-
- for (n = 0; n < elems; n++) {
- if (tree[n].Freq != 0) {
- s->heap[++(s->heap_len)] = max_code = n;
- s->depth[n] = 0;
- } else {
- tree[n].Len = 0;
- }
- }
-
- /* The pkzip format requires that at least one distance code exists,
- * and that at least one bit should be sent even if there is only one
- * possible code. So to avoid special checks later on we force at least
- * two codes of non zero frequency.
- */
- while (s->heap_len < 2) {
- node = s->heap[++(s->heap_len)] = (max_code < 2 ? ++max_code : 0);
- tree[node].Freq = 1;
- s->depth[node] = 0;
- s->opt_len--; if (stree) s->static_len -= stree[node].Len;
- /* node is 0 or 1 so it does not have extra bits */
- }
- desc->max_code = max_code;
-
- /* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree,
- * establish sub-heaps of increasing lengths:
- */
- for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n);
-
- /* Construct the Huffman tree by repeatedly combining the least two
- * frequent nodes.
- */
- node = elems; /* next internal node of the tree */
- do {
- pqremove(s, tree, n); /* n = node of least frequency */
- m = s->heap[SMALLEST]; /* m = node of next least frequency */
-
- s->heap[--(s->heap_max)] = n; /* keep the nodes sorted by frequency */
- s->heap[--(s->heap_max)] = m;
-
- /* Create a new node father of n and m */
- tree[node].Freq = tree[n].Freq + tree[m].Freq;
- s->depth[node] = (uch)((s->depth[n] >= s->depth[m] ?
- s->depth[n] : s->depth[m]) + 1);
- tree[n].Dad = tree[m].Dad = (ush)node;
-#ifdef DUMP_BL_TREE
- if (tree == s->bl_tree) {
- fprintf(stderr,"\nnode %d(%d), sons %d(%d) %d(%d)",
- node, tree[node].Freq, n, tree[n].Freq, m, tree[m].Freq);
- }
-#endif
- /* and insert the new node in the heap */
- s->heap[SMALLEST] = node++;
- pqdownheap(s, tree, SMALLEST);
-
- } while (s->heap_len >= 2);
-
- s->heap[--(s->heap_max)] = s->heap[SMALLEST];
-
- /* At this point, the fields freq and dad are set. We can now
- * generate the bit lengths.
- */
- gen_bitlen(s, (tree_desc *)desc);
-
- /* The field len is now set, we can generate the bit codes */
- gen_codes ((ct_data *)tree, max_code, s->bl_count);
-}
-
-/* ===========================================================================
- * Scan a literal or distance tree to determine the frequencies of the codes
- * in the bit length tree.
- */
-local void scan_tree (s, tree, max_code)
- deflate_state *s;
- ct_data *tree; /* the tree to be scanned */
- int max_code; /* and its largest code of non zero frequency */
-{
- int n; /* iterates over all tree elements */
- int prevlen = -1; /* last emitted length */
- int curlen; /* length of current code */
- int nextlen = tree[0].Len; /* length of next code */
- int count = 0; /* repeat count of the current code */
- int max_count = 7; /* max repeat count */
- int min_count = 4; /* min repeat count */
-
- if (nextlen == 0) max_count = 138, min_count = 3;
- tree[max_code+1].Len = (ush)0xffff; /* guard */
-
- for (n = 0; n <= max_code; n++) {
- curlen = nextlen; nextlen = tree[n+1].Len;
- if (++count < max_count && curlen == nextlen) {
- continue;
- } else if (count < min_count) {
- s->bl_tree[curlen].Freq += count;
- } else if (curlen != 0) {
- if (curlen != prevlen) s->bl_tree[curlen].Freq++;
- s->bl_tree[REP_3_6].Freq++;
- } else if (count <= 10) {
- s->bl_tree[REPZ_3_10].Freq++;
- } else {
- s->bl_tree[REPZ_11_138].Freq++;
- }
- count = 0; prevlen = curlen;
- if (nextlen == 0) {
- max_count = 138, min_count = 3;
- } else if (curlen == nextlen) {
- max_count = 6, min_count = 3;
- } else {
- max_count = 7, min_count = 4;
- }
- }
-}
-
-/* ===========================================================================
- * Send a literal or distance tree in compressed form, using the codes in
- * bl_tree.
- */
-local void send_tree (s, tree, max_code)
- deflate_state *s;
- ct_data *tree; /* the tree to be scanned */
- int max_code; /* and its largest code of non zero frequency */
-{
- int n; /* iterates over all tree elements */
- int prevlen = -1; /* last emitted length */
- int curlen; /* length of current code */
- int nextlen = tree[0].Len; /* length of next code */
- int count = 0; /* repeat count of the current code */
- int max_count = 7; /* max repeat count */
- int min_count = 4; /* min repeat count */
-
- /* tree[max_code+1].Len = -1; */ /* guard already set */
- if (nextlen == 0) max_count = 138, min_count = 3;
-
- for (n = 0; n <= max_code; n++) {
- curlen = nextlen; nextlen = tree[n+1].Len;
- if (++count < max_count && curlen == nextlen) {
- continue;
- } else if (count < min_count) {
- do { send_code(s, curlen, s->bl_tree); } while (--count != 0);
-
- } else if (curlen != 0) {
- if (curlen != prevlen) {
- send_code(s, curlen, s->bl_tree); count--;
- }
- Assert(count >= 3 && count <= 6, " 3_6?");
- send_code(s, REP_3_6, s->bl_tree); send_bits(s, count-3, 2);
-
- } else if (count <= 10) {
- send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count-3, 3);
-
- } else {
- send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count-11, 7);
- }
- count = 0; prevlen = curlen;
- if (nextlen == 0) {
- max_count = 138, min_count = 3;
- } else if (curlen == nextlen) {
- max_count = 6, min_count = 3;
- } else {
- max_count = 7, min_count = 4;
- }
- }
-}
-
-/* ===========================================================================
- * Construct the Huffman tree for the bit lengths and return the index in
- * bl_order of the last bit length code to send.
- */
-local int build_bl_tree(s)
- deflate_state *s;
-{
- int max_blindex; /* index of last bit length code of non zero freq */
-
- /* Determine the bit length frequencies for literal and distance trees */
- scan_tree(s, (ct_data *)s->dyn_ltree, s->l_desc.max_code);
- scan_tree(s, (ct_data *)s->dyn_dtree, s->d_desc.max_code);
-
- /* Build the bit length tree: */
- build_tree(s, (tree_desc *)(&(s->bl_desc)));
- /* opt_len now includes the length of the tree representations, except
- * the lengths of the bit lengths codes and the 5+5+4 bits for the counts.
- */
-
- /* Determine the number of bit length codes to send. The pkzip format
- * requires that at least 4 bit length codes be sent. (appnote.txt says
- * 3 but the actual value used is 4.)
- */
- for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) {
- if (s->bl_tree[bl_order[max_blindex]].Len != 0) break;
- }
- /* Update opt_len to include the bit length tree and counts */
- s->opt_len += 3*(max_blindex+1) + 5+5+4;
- Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld",
- s->opt_len, s->static_len));
-
- return max_blindex;
-}
-
-/* ===========================================================================
- * Send the header for a block using dynamic Huffman trees: the counts, the
- * lengths of the bit length codes, the literal tree and the distance tree.
- * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4.
- */
-local void send_all_trees(s, lcodes, dcodes, blcodes)
- deflate_state *s;
- int lcodes, dcodes, blcodes; /* number of codes for each tree */
-{
- int rank; /* index in bl_order */
-
- Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes");
- Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES,
- "too many codes");
- Tracev((stderr, "\nbl counts: "));
- send_bits(s, lcodes-257, 5); /* not +255 as stated in appnote.txt */
- send_bits(s, dcodes-1, 5);
- send_bits(s, blcodes-4, 4); /* not -3 as stated in appnote.txt */
- for (rank = 0; rank < blcodes; rank++) {
- Tracev((stderr, "\nbl code %2d ", bl_order[rank]));
- send_bits(s, s->bl_tree[bl_order[rank]].Len, 3);
- }
- Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent));
-
- send_tree(s, (ct_data *)s->dyn_ltree, lcodes-1); /* literal tree */
- Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent));
-
- send_tree(s, (ct_data *)s->dyn_dtree, dcodes-1); /* distance tree */
- Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent));
-}
-
-/* ===========================================================================
- * Send a stored block
- */
-void _tr_stored_block(s, buf, stored_len, eof)
- deflate_state *s;
- charf *buf; /* input block */
- ulg stored_len; /* length of input block */
- int eof; /* true if this is the last block for a file */
-{
- send_bits(s, (STORED_BLOCK<<1)+eof, 3); /* send block type */
-#ifdef DEBUG
- s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L;
- s->compressed_len += (stored_len + 4) << 3;
-#endif
- copy_block(s, buf, (unsigned)stored_len, 1); /* with header */
-}
-
-/* ===========================================================================
- * Send one empty static block to give enough lookahead for inflate.
- * This takes 10 bits, of which 7 may remain in the bit buffer.
- * The current inflate code requires 9 bits of lookahead. If the
- * last two codes for the previous block (real code plus EOB) were coded
- * on 5 bits or less, inflate may have only 5+3 bits of lookahead to decode
- * the last real code. In this case we send two empty static blocks instead
- * of one. (There are no problems if the previous block is stored or fixed.)
- * To simplify the code, we assume the worst case of last real code encoded
- * on one bit only.
- */
-void _tr_align(s)
- deflate_state *s;
-{
- send_bits(s, STATIC_TREES<<1, 3);
- send_code(s, END_BLOCK, static_ltree);
-#ifdef DEBUG
- s->compressed_len += 10L; /* 3 for block type, 7 for EOB */
-#endif
- bi_flush(s);
- /* Of the 10 bits for the empty block, we have already sent
- * (10 - bi_valid) bits. The lookahead for the last real code (before
- * the EOB of the previous block) was thus at least one plus the length
- * of the EOB plus what we have just sent of the empty static block.
- */
- if (1 + s->last_eob_len + 10 - s->bi_valid < 9) {
- send_bits(s, STATIC_TREES<<1, 3);
- send_code(s, END_BLOCK, static_ltree);
-#ifdef DEBUG
- s->compressed_len += 10L;
-#endif
- bi_flush(s);
- }
- s->last_eob_len = 7;
-}
-
-/* ===========================================================================
- * Determine the best encoding for the current block: dynamic trees, static
- * trees or store, and output the encoded block to the zip file.
- */
-void _tr_flush_block(s, buf, stored_len, eof)
- deflate_state *s;
- charf *buf; /* input block, or NULL if too old */
- ulg stored_len; /* length of input block */
- int eof; /* true if this is the last block for a file */
-{
- ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */
- int max_blindex = 0; /* index of last bit length code of non zero freq */
-
- /* Build the Huffman trees unless a stored block is forced */
- if (s->level > 0) {
-
- /* Check if the file is binary or text */
- if (stored_len > 0 && s->strm->data_type == Z_UNKNOWN)
- set_data_type(s);
-
- /* Construct the literal and distance trees */
- build_tree(s, (tree_desc *)(&(s->l_desc)));
- Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len,
- s->static_len));
-
- build_tree(s, (tree_desc *)(&(s->d_desc)));
- Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len,
- s->static_len));
- /* At this point, opt_len and static_len are the total bit lengths of
- * the compressed block data, excluding the tree representations.
- */
-
- /* Build the bit length tree for the above two trees, and get the index
- * in bl_order of the last bit length code to send.
- */
- max_blindex = build_bl_tree(s);
-
- /* Determine the best encoding. Compute the block lengths in bytes. */
- opt_lenb = (s->opt_len+3+7)>>3;
- static_lenb = (s->static_len+3+7)>>3;
-
- Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ",
- opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len,
- s->last_lit));
-
- if (static_lenb <= opt_lenb) opt_lenb = static_lenb;
-
- } else {
- Assert(buf != (char*)0, "lost buf");
- opt_lenb = static_lenb = stored_len + 5; /* force a stored block */
- }
-
-#ifdef FORCE_STORED
- if (buf != (char*)0) { /* force stored block */
-#else
- if (stored_len+4 <= opt_lenb && buf != (char*)0) {
- /* 4: two words for the lengths */
-#endif
- /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE.
- * Otherwise we can't have processed more than WSIZE input bytes since
- * the last block flush, because compression would have been
- * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to
- * transform a block into a stored block.
- */
- _tr_stored_block(s, buf, stored_len, eof);
-
-#ifdef FORCE_STATIC
- } else if (static_lenb >= 0) { /* force static trees */
-#else
- } else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) {
-#endif
- send_bits(s, (STATIC_TREES<<1)+eof, 3);
- compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree);
-#ifdef DEBUG
- s->compressed_len += 3 + s->static_len;
-#endif
- } else {
- send_bits(s, (DYN_TREES<<1)+eof, 3);
- send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1,
- max_blindex+1);
- compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree);
-#ifdef DEBUG
- s->compressed_len += 3 + s->opt_len;
-#endif
- }
- Assert (s->compressed_len == s->bits_sent, "bad compressed size");
- /* The above check is made mod 2^32, for files larger than 512 MB
- * and uLong implemented on 32 bits.
- */
- init_block(s);
-
- if (eof) {
- bi_windup(s);
-#ifdef DEBUG
- s->compressed_len += 7; /* align on byte boundary */
-#endif
- }
- Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3,
- s->compressed_len-7*eof));
-}
-
-/* ===========================================================================
- * Save the match info and tally the frequency counts. Return true if
- * the current block must be flushed.
- */
-int _tr_tally (s, dist, lc)
- deflate_state *s;
- unsigned dist; /* distance of matched string */
- unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */
-{
- s->d_buf[s->last_lit] = (ush)dist;
- s->l_buf[s->last_lit++] = (uch)lc;
- if (dist == 0) {
- /* lc is the unmatched char */
- s->dyn_ltree[lc].Freq++;
- } else {
- s->matches++;
- /* Here, lc is the match length - MIN_MATCH */
- dist--; /* dist = match distance - 1 */
- Assert((ush)dist < (ush)MAX_DIST(s) &&
- (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) &&
- (ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match");
-
- s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++;
- s->dyn_dtree[d_code(dist)].Freq++;
- }
-
-#ifdef TRUNCATE_BLOCK
- /* Try to guess if it is profitable to stop the current block here */
- if ((s->last_lit & 0x1fff) == 0 && s->level > 2) {
- /* Compute an upper bound for the compressed length */
- ulg out_length = (ulg)s->last_lit*8L;
- ulg in_length = (ulg)((long)s->strstart - s->block_start);
- int dcode;
- for (dcode = 0; dcode < D_CODES; dcode++) {
- out_length += (ulg)s->dyn_dtree[dcode].Freq *
- (5L+extra_dbits[dcode]);
- }
- out_length >>= 3;
- Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ",
- s->last_lit, in_length, out_length,
- 100L - out_length*100L/in_length));
- if (s->matches < s->last_lit/2 && out_length < in_length/2) return 1;
- }
-#endif
- return (s->last_lit == s->lit_bufsize-1);
- /* We avoid equality with lit_bufsize because of wraparound at 64K
- * on 16 bit machines and because stored blocks are restricted to
- * 64K-1 bytes.
- */
-}
-
-/* ===========================================================================
- * Send the block data compressed using the given Huffman trees
- */
-local void compress_block(s, ltree, dtree)
- deflate_state *s;
- ct_data *ltree; /* literal tree */
- ct_data *dtree; /* distance tree */
-{
- unsigned dist; /* distance of matched string */
- int lc; /* match length or unmatched char (if dist == 0) */
- unsigned lx = 0; /* running index in l_buf */
- unsigned code; /* the code to send */
- int extra; /* number of extra bits to send */
-
- if (s->last_lit != 0) do {
- dist = s->d_buf[lx];
- lc = s->l_buf[lx++];
- if (dist == 0) {
- send_code(s, lc, ltree); /* send a literal byte */
- Tracecv(isgraph(lc), (stderr," '%c' ", lc));
- } else {
- /* Here, lc is the match length - MIN_MATCH */
- code = _length_code[lc];
- send_code(s, code+LITERALS+1, ltree); /* send the length code */
- extra = extra_lbits[code];
- if (extra != 0) {
- lc -= base_length[code];
- send_bits(s, lc, extra); /* send the extra length bits */
- }
- dist--; /* dist is now the match distance - 1 */
- code = d_code(dist);
- Assert (code < D_CODES, "bad d_code");
-
- send_code(s, code, dtree); /* send the distance code */
- extra = extra_dbits[code];
- if (extra != 0) {
- dist -= base_dist[code];
- send_bits(s, dist, extra); /* send the extra distance bits */
- }
- } /* literal or match pair ? */
-
- /* Check that the overlay between pending_buf and d_buf+l_buf is ok: */
- Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx,
- "pendingBuf overflow");
-
- } while (lx < s->last_lit);
-
- send_code(s, END_BLOCK, ltree);
- s->last_eob_len = ltree[END_BLOCK].Len;
-}
-
-/* ===========================================================================
- * Set the data type to BINARY or TEXT, using a crude approximation:
- * set it to Z_TEXT if all symbols are either printable characters (33 to 255)
- * or white spaces (9 to 13, or 32); or set it to Z_BINARY otherwise.
- * IN assertion: the fields Freq of dyn_ltree are set.
- */
-local void set_data_type(s)
- deflate_state *s;
-{
- int n;
-
- for (n = 0; n < 9; n++)
- if (s->dyn_ltree[n].Freq != 0)
- break;
- if (n == 9)
- for (n = 14; n < 32; n++)
- if (s->dyn_ltree[n].Freq != 0)
- break;
- s->strm->data_type = (n == 32) ? Z_TEXT : Z_BINARY;
-}
-
-/* ===========================================================================
- * Reverse the first len bits of a code, using straightforward code (a faster
- * method would use a table)
- * IN assertion: 1 <= len <= 15
- */
-local unsigned bi_reverse(code, len)
- unsigned code; /* the value to invert */
- int len; /* its bit length */
-{
- register unsigned res = 0;
- do {
- res |= code & 1;
- code >>= 1, res <<= 1;
- } while (--len > 0);
- return res >> 1;
-}
-
-/* ===========================================================================
- * Flush the bit buffer, keeping at most 7 bits in it.
- */
-local void bi_flush(s)
- deflate_state *s;
-{
- if (s->bi_valid == 16) {
- put_short(s, s->bi_buf);
- s->bi_buf = 0;
- s->bi_valid = 0;
- } else if (s->bi_valid >= 8) {
- put_byte(s, (Byte)s->bi_buf);
- s->bi_buf >>= 8;
- s->bi_valid -= 8;
- }
-}
-
-/* ===========================================================================
- * Flush the bit buffer and align the output on a byte boundary
- */
-local void bi_windup(s)
- deflate_state *s;
-{
- if (s->bi_valid > 8) {
- put_short(s, s->bi_buf);
- } else if (s->bi_valid > 0) {
- put_byte(s, (Byte)s->bi_buf);
- }
- s->bi_buf = 0;
- s->bi_valid = 0;
-#ifdef DEBUG
- s->bits_sent = (s->bits_sent+7) & ~7;
-#endif
-}
-
-/* ===========================================================================
- * Copy a stored block, storing first the length and its
- * one's complement if requested.
- */
-local void copy_block(s, buf, len, header)
- deflate_state *s;
- charf *buf; /* the input data */
- unsigned len; /* its length */
- int header; /* true if block header must be written */
-{
- bi_windup(s); /* align on byte boundary */
- s->last_eob_len = 8; /* enough lookahead for inflate */
-
- if (header) {
- put_short(s, (ush)len);
- put_short(s, (ush)~len);
-#ifdef DEBUG
- s->bits_sent += 2*16;
-#endif
- }
-#ifdef DEBUG
- s->bits_sent += (ulg)len<<3;
-#endif
- while (len--) {
- put_byte(s, *buf++);
- }
-}
+++ /dev/null
-/* header created automatically with -DGEN_TREES_H */
-
-local const ct_data static_ltree[L_CODES+2] = {
-{{ 12},{ 8}}, {{140},{ 8}}, {{ 76},{ 8}}, {{204},{ 8}}, {{ 44},{ 8}},
-{{172},{ 8}}, {{108},{ 8}}, {{236},{ 8}}, {{ 28},{ 8}}, {{156},{ 8}},
-{{ 92},{ 8}}, {{220},{ 8}}, {{ 60},{ 8}}, {{188},{ 8}}, {{124},{ 8}},
-{{252},{ 8}}, {{ 2},{ 8}}, {{130},{ 8}}, {{ 66},{ 8}}, {{194},{ 8}},
-{{ 34},{ 8}}, {{162},{ 8}}, {{ 98},{ 8}}, {{226},{ 8}}, {{ 18},{ 8}},
-{{146},{ 8}}, {{ 82},{ 8}}, {{210},{ 8}}, {{ 50},{ 8}}, {{178},{ 8}},
-{{114},{ 8}}, {{242},{ 8}}, {{ 10},{ 8}}, {{138},{ 8}}, {{ 74},{ 8}},
-{{202},{ 8}}, {{ 42},{ 8}}, {{170},{ 8}}, {{106},{ 8}}, {{234},{ 8}},
-{{ 26},{ 8}}, {{154},{ 8}}, {{ 90},{ 8}}, {{218},{ 8}}, {{ 58},{ 8}},
-{{186},{ 8}}, {{122},{ 8}}, {{250},{ 8}}, {{ 6},{ 8}}, {{134},{ 8}},
-{{ 70},{ 8}}, {{198},{ 8}}, {{ 38},{ 8}}, {{166},{ 8}}, {{102},{ 8}},
-{{230},{ 8}}, {{ 22},{ 8}}, {{150},{ 8}}, {{ 86},{ 8}}, {{214},{ 8}},
-{{ 54},{ 8}}, {{182},{ 8}}, {{118},{ 8}}, {{246},{ 8}}, {{ 14},{ 8}},
-{{142},{ 8}}, {{ 78},{ 8}}, {{206},{ 8}}, {{ 46},{ 8}}, {{174},{ 8}},
-{{110},{ 8}}, {{238},{ 8}}, {{ 30},{ 8}}, {{158},{ 8}}, {{ 94},{ 8}},
-{{222},{ 8}}, {{ 62},{ 8}}, {{190},{ 8}}, {{126},{ 8}}, {{254},{ 8}},
-{{ 1},{ 8}}, {{129},{ 8}}, {{ 65},{ 8}}, {{193},{ 8}}, {{ 33},{ 8}},
-{{161},{ 8}}, {{ 97},{ 8}}, {{225},{ 8}}, {{ 17},{ 8}}, {{145},{ 8}},
-{{ 81},{ 8}}, {{209},{ 8}}, {{ 49},{ 8}}, {{177},{ 8}}, {{113},{ 8}},
-{{241},{ 8}}, {{ 9},{ 8}}, {{137},{ 8}}, {{ 73},{ 8}}, {{201},{ 8}},
-{{ 41},{ 8}}, {{169},{ 8}}, {{105},{ 8}}, {{233},{ 8}}, {{ 25},{ 8}},
-{{153},{ 8}}, {{ 89},{ 8}}, {{217},{ 8}}, {{ 57},{ 8}}, {{185},{ 8}},
-{{121},{ 8}}, {{249},{ 8}}, {{ 5},{ 8}}, {{133},{ 8}}, {{ 69},{ 8}},
-{{197},{ 8}}, {{ 37},{ 8}}, {{165},{ 8}}, {{101},{ 8}}, {{229},{ 8}},
-{{ 21},{ 8}}, {{149},{ 8}}, {{ 85},{ 8}}, {{213},{ 8}}, {{ 53},{ 8}},
-{{181},{ 8}}, {{117},{ 8}}, {{245},{ 8}}, {{ 13},{ 8}}, {{141},{ 8}},
-{{ 77},{ 8}}, {{205},{ 8}}, {{ 45},{ 8}}, {{173},{ 8}}, {{109},{ 8}},
-{{237},{ 8}}, {{ 29},{ 8}}, {{157},{ 8}}, {{ 93},{ 8}}, {{221},{ 8}},
-{{ 61},{ 8}}, {{189},{ 8}}, {{125},{ 8}}, {{253},{ 8}}, {{ 19},{ 9}},
-{{275},{ 9}}, {{147},{ 9}}, {{403},{ 9}}, {{ 83},{ 9}}, {{339},{ 9}},
-{{211},{ 9}}, {{467},{ 9}}, {{ 51},{ 9}}, {{307},{ 9}}, {{179},{ 9}},
-{{435},{ 9}}, {{115},{ 9}}, {{371},{ 9}}, {{243},{ 9}}, {{499},{ 9}},
-{{ 11},{ 9}}, {{267},{ 9}}, {{139},{ 9}}, {{395},{ 9}}, {{ 75},{ 9}},
-{{331},{ 9}}, {{203},{ 9}}, {{459},{ 9}}, {{ 43},{ 9}}, {{299},{ 9}},
-{{171},{ 9}}, {{427},{ 9}}, {{107},{ 9}}, {{363},{ 9}}, {{235},{ 9}},
-{{491},{ 9}}, {{ 27},{ 9}}, {{283},{ 9}}, {{155},{ 9}}, {{411},{ 9}},
-{{ 91},{ 9}}, {{347},{ 9}}, {{219},{ 9}}, {{475},{ 9}}, {{ 59},{ 9}},
-{{315},{ 9}}, {{187},{ 9}}, {{443},{ 9}}, {{123},{ 9}}, {{379},{ 9}},
-{{251},{ 9}}, {{507},{ 9}}, {{ 7},{ 9}}, {{263},{ 9}}, {{135},{ 9}},
-{{391},{ 9}}, {{ 71},{ 9}}, {{327},{ 9}}, {{199},{ 9}}, {{455},{ 9}},
-{{ 39},{ 9}}, {{295},{ 9}}, {{167},{ 9}}, {{423},{ 9}}, {{103},{ 9}},
-{{359},{ 9}}, {{231},{ 9}}, {{487},{ 9}}, {{ 23},{ 9}}, {{279},{ 9}},
-{{151},{ 9}}, {{407},{ 9}}, {{ 87},{ 9}}, {{343},{ 9}}, {{215},{ 9}},
-{{471},{ 9}}, {{ 55},{ 9}}, {{311},{ 9}}, {{183},{ 9}}, {{439},{ 9}},
-{{119},{ 9}}, {{375},{ 9}}, {{247},{ 9}}, {{503},{ 9}}, {{ 15},{ 9}},
-{{271},{ 9}}, {{143},{ 9}}, {{399},{ 9}}, {{ 79},{ 9}}, {{335},{ 9}},
-{{207},{ 9}}, {{463},{ 9}}, {{ 47},{ 9}}, {{303},{ 9}}, {{175},{ 9}},
-{{431},{ 9}}, {{111},{ 9}}, {{367},{ 9}}, {{239},{ 9}}, {{495},{ 9}},
-{{ 31},{ 9}}, {{287},{ 9}}, {{159},{ 9}}, {{415},{ 9}}, {{ 95},{ 9}},
-{{351},{ 9}}, {{223},{ 9}}, {{479},{ 9}}, {{ 63},{ 9}}, {{319},{ 9}},
-{{191},{ 9}}, {{447},{ 9}}, {{127},{ 9}}, {{383},{ 9}}, {{255},{ 9}},
-{{511},{ 9}}, {{ 0},{ 7}}, {{ 64},{ 7}}, {{ 32},{ 7}}, {{ 96},{ 7}},
-{{ 16},{ 7}}, {{ 80},{ 7}}, {{ 48},{ 7}}, {{112},{ 7}}, {{ 8},{ 7}},
-{{ 72},{ 7}}, {{ 40},{ 7}}, {{104},{ 7}}, {{ 24},{ 7}}, {{ 88},{ 7}},
-{{ 56},{ 7}}, {{120},{ 7}}, {{ 4},{ 7}}, {{ 68},{ 7}}, {{ 36},{ 7}},
-{{100},{ 7}}, {{ 20},{ 7}}, {{ 84},{ 7}}, {{ 52},{ 7}}, {{116},{ 7}},
-{{ 3},{ 8}}, {{131},{ 8}}, {{ 67},{ 8}}, {{195},{ 8}}, {{ 35},{ 8}},
-{{163},{ 8}}, {{ 99},{ 8}}, {{227},{ 8}}
-};
-
-local const ct_data static_dtree[D_CODES] = {
-{{ 0},{ 5}}, {{16},{ 5}}, {{ 8},{ 5}}, {{24},{ 5}}, {{ 4},{ 5}},
-{{20},{ 5}}, {{12},{ 5}}, {{28},{ 5}}, {{ 2},{ 5}}, {{18},{ 5}},
-{{10},{ 5}}, {{26},{ 5}}, {{ 6},{ 5}}, {{22},{ 5}}, {{14},{ 5}},
-{{30},{ 5}}, {{ 1},{ 5}}, {{17},{ 5}}, {{ 9},{ 5}}, {{25},{ 5}},
-{{ 5},{ 5}}, {{21},{ 5}}, {{13},{ 5}}, {{29},{ 5}}, {{ 3},{ 5}},
-{{19},{ 5}}, {{11},{ 5}}, {{27},{ 5}}, {{ 7},{ 5}}, {{23},{ 5}}
-};
-
-const uch _dist_code[DIST_CODE_LEN] = {
- 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8,
- 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10,
-10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
-11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13,
-13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15,
-15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 16, 17,
-18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22,
-23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27,
-27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
-27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
-28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
-28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
-28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29
-};
-
-const uch _length_code[MAX_MATCH-MIN_MATCH+1]= {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12,
-13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16,
-17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19,
-19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
-21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22,
-22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23,
-23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26,
-26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
-27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28
-};
-
-local const int base_length[LENGTH_CODES] = {
-0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56,
-64, 80, 96, 112, 128, 160, 192, 224, 0
-};
-
-local const int base_dist[D_CODES] = {
- 0, 1, 2, 3, 4, 6, 8, 12, 16, 24,
- 32, 48, 64, 96, 128, 192, 256, 384, 512, 768,
- 1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, 24576
-};
-
+++ /dev/null
-/* uncompr.c -- decompress a memory buffer
- * Copyright (C) 1995-2003 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* @(#) $Id$ */
-
-#define ZLIB_INTERNAL
-#include "zlib.h"
-
-/* ===========================================================================
- Decompresses the source buffer into the destination buffer. sourceLen is
- the byte length of the source buffer. Upon entry, destLen is the total
- size of the destination buffer, which must be large enough to hold the
- entire uncompressed data. (The size of the uncompressed data must have
- been saved previously by the compressor and transmitted to the decompressor
- by some mechanism outside the scope of this compression library.)
- Upon exit, destLen is the actual size of the compressed buffer.
- This function can be used to decompress a whole file at once if the
- input file is mmap'ed.
-
- uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
- enough memory, Z_BUF_ERROR if there was not enough room in the output
- buffer, or Z_DATA_ERROR if the input data was corrupted.
-*/
-int ZEXPORT uncompress (dest, destLen, source, sourceLen)
- Bytef *dest;
- uLongf *destLen;
- const Bytef *source;
- uLong sourceLen;
-{
- z_stream stream;
- int err;
-
- stream.next_in = (Bytef*)source;
- stream.avail_in = (uInt)sourceLen;
- /* Check for source > 64K on 16-bit machine: */
- if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
-
- stream.next_out = dest;
- stream.avail_out = (uInt)*destLen;
- if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
-
- stream.zalloc = (alloc_func)0;
- stream.zfree = (free_func)0;
-
- err = inflateInit(&stream);
- if (err != Z_OK) return err;
-
- err = inflate(&stream, Z_FINISH);
- if (err != Z_STREAM_END) {
- inflateEnd(&stream);
- if (err == Z_NEED_DICT || (err == Z_BUF_ERROR && stream.avail_in == 0))
- return Z_DATA_ERROR;
- return err;
- }
- *destLen = stream.total_out;
-
- err = inflateEnd(&stream);
- return err;
-}
+++ /dev/null
-
- Frequently Asked Questions about ZLIB1.DLL
-
-
-This document describes the design, the rationale, and the usage
-of the official DLL build of zlib, named ZLIB1.DLL. If you have
-general questions about zlib, you should see the file "FAQ" found
-in the zlib distribution, or at the following location:
- http://www.gzip.org/zlib/zlib_faq.html
-
-
- 1. What is ZLIB1.DLL, and how can I get it?
-
- - ZLIB1.DLL is the official build of zlib as a DLL.
- (Please remark the character '1' in the name.)
-
- Pointers to a precompiled ZLIB1.DLL can be found in the zlib
- web site at:
- http://www.zlib.org/
-
- Applications that link to ZLIB1.DLL can rely on the following
- specification:
-
- * The exported symbols are exclusively defined in the source
- files "zlib.h" and "zlib.def", found in an official zlib
- source distribution.
- * The symbols are exported by name, not by ordinal.
- * The exported names are undecorated.
- * The calling convention of functions is "C" (CDECL).
- * The ZLIB1.DLL binary is linked to MSVCRT.DLL.
-
- The archive in which ZLIB1.DLL is bundled contains compiled
- test programs that must run with a valid build of ZLIB1.DLL.
- It is recommended to download the prebuilt DLL from the zlib
- web site, instead of building it yourself, to avoid potential
- incompatibilities that could be introduced by your compiler
- and build settings. If you do build the DLL yourself, please
- make sure that it complies with all the above requirements,
- and it runs with the precompiled test programs, bundled with
- the original ZLIB1.DLL distribution.
-
- If, for any reason, you need to build an incompatible DLL,
- please use a different file name.
-
-
- 2. Why did you change the name of the DLL to ZLIB1.DLL?
- What happened to the old ZLIB.DLL?
-
- - The old ZLIB.DLL, built from zlib-1.1.4 or earlier, required
- compilation settings that were incompatible to those used by
- a static build. The DLL settings were supposed to be enabled
- by defining the macro ZLIB_DLL, before including "zlib.h".
- Incorrect handling of this macro was silently accepted at
- build time, resulting in two major problems:
-
- * ZLIB_DLL was missing from the old makefile. When building
- the DLL, not all people added it to the build options. In
- consequence, incompatible incarnations of ZLIB.DLL started
- to circulate around the net.
-
- * When switching from using the static library to using the
- DLL, applications had to define the ZLIB_DLL macro and
- to recompile all the sources that contained calls to zlib
- functions. Failure to do so resulted in creating binaries
- that were unable to run with the official ZLIB.DLL build.
-
- The only possible solution that we could foresee was to make
- a binary-incompatible change in the DLL interface, in order to
- remove the dependency on the ZLIB_DLL macro, and to release
- the new DLL under a different name.
-
- We chose the name ZLIB1.DLL, where '1' indicates the major
- zlib version number. We hope that we will not have to break
- the binary compatibility again, at least not as long as the
- zlib-1.x series will last.
-
- There is still a ZLIB_DLL macro, that can trigger a more
- efficient build and use of the DLL, but compatibility no
- longer dependents on it.
-
-
- 3. Can I build ZLIB.DLL from the new zlib sources, and replace
- an old ZLIB.DLL, that was built from zlib-1.1.4 or earlier?
-
- - In principle, you can do it by assigning calling convention
- keywords to the macros ZEXPORT and ZEXPORTVA. In practice,
- it depends on what you mean by "an old ZLIB.DLL", because the
- old DLL exists in several mutually-incompatible versions.
- You have to find out first what kind of calling convention is
- being used in your particular ZLIB.DLL build, and to use the
- same one in the new build. If you don't know what this is all
- about, you might be better off if you would just leave the old
- DLL intact.
-
-
- 4. Can I compile my application using the new zlib interface, and
- link it to an old ZLIB.DLL, that was built from zlib-1.1.4 or
- earlier?
-
- - The official answer is "no"; the real answer depends again on
- what kind of ZLIB.DLL you have. Even if you are lucky, this
- course of action is unreliable.
-
- If you rebuild your application and you intend to use a newer
- version of zlib (post- 1.1.4), it is strongly recommended to
- link it to the new ZLIB1.DLL.
-
-
- 5. Why are the zlib symbols exported by name, and not by ordinal?
-
- - Although exporting symbols by ordinal is a little faster, it
- is risky. Any single glitch in the maintenance or use of the
- DEF file that contains the ordinals can result in incompatible
- builds and frustrating crashes. Simply put, the benefits of
- exporting symbols by ordinal do not justify the risks.
-
- Technically, it should be possible to maintain ordinals in
- the DEF file, and still export the symbols by name. Ordinals
- exist in every DLL, and even if the dynamic linking performed
- at the DLL startup is searching for names, ordinals serve as
- hints, for a faster name lookup. However, if the DEF file
- contains ordinals, the Microsoft linker automatically builds
- an implib that will cause the executables linked to it to use
- those ordinals, and not the names. It is interesting to
- notice that the GNU linker for Win32 does not suffer from this
- problem.
-
- It is possible to avoid the DEF file if the exported symbols
- are accompanied by a "__declspec(dllexport)" attribute in the
- source files. You can do this in zlib by predefining the
- ZLIB_DLL macro.
-
-
- 6. I see that the ZLIB1.DLL functions use the "C" (CDECL) calling
- convention. Why not use the STDCALL convention?
- STDCALL is the standard convention in Win32, and I need it in
- my Visual Basic project!
-
- (For readability, we use CDECL to refer to the convention
- triggered by the "__cdecl" keyword, STDCALL to refer to
- the convention triggered by "__stdcall", and FASTCALL to
- refer to the convention triggered by "__fastcall".)
-
- - Most of the native Windows API functions (without varargs) use
- indeed the WINAPI convention (which translates to STDCALL in
- Win32), but the standard C functions use CDECL. If a user
- application is intrinsically tied to the Windows API (e.g.
- it calls native Windows API functions such as CreateFile()),
- sometimes it makes sense to decorate its own functions with
- WINAPI. But if ANSI C or POSIX portability is a goal (e.g.
- it calls standard C functions such as fopen()), it is not a
- sound decision to request the inclusion of <windows.h>, or to
- use non-ANSI constructs, for the sole purpose to make the user
- functions STDCALL-able.
-
- The functionality offered by zlib is not in the category of
- "Windows functionality", but is more like "C functionality".
-
- Technically, STDCALL is not bad; in fact, it is slightly
- faster than CDECL, and it works with variable-argument
- functions, just like CDECL. It is unfortunate that, in spite
- of using STDCALL in the Windows API, it is not the default
- convention used by the C compilers that run under Windows.
- The roots of the problem reside deep inside the unsafety of
- the K&R-style function prototypes, where the argument types
- are not specified; but that is another story for another day.
-
- The remaining fact is that CDECL is the default convention.
- Even if an explicit convention is hard-coded into the function
- prototypes inside C headers, problems may appear. The
- necessity to expose the convention in users' callbacks is one
- of these problems.
-
- The calling convention issues are also important when using
- zlib in other programming languages. Some of them, like Ada
- (GNAT) and Fortran (GNU G77), have C bindings implemented
- initially on Unix, and relying on the C calling convention.
- On the other hand, the pre- .NET versions of Microsoft Visual
- Basic require STDCALL, while Borland Delphi prefers, although
- it does not require, FASTCALL.
-
- In fairness to all possible uses of zlib outside the C
- programming language, we choose the default "C" convention.
- Anyone interested in different bindings or conventions is
- encouraged to maintain specialized projects. The "contrib/"
- directory from the zlib distribution already holds a couple
- of foreign bindings, such as Ada, C++, and Delphi.
-
-
- 7. I need a DLL for my Visual Basic project. What can I do?
-
- - Define the ZLIB_WINAPI macro before including "zlib.h", when
- building both the DLL and the user application (except that
- you don't need to define anything when using the DLL in Visual
- Basic). The ZLIB_WINAPI macro will switch on the WINAPI
- (STDCALL) convention. The name of this DLL must be different
- than the official ZLIB1.DLL.
-
- Gilles Vollant has contributed a build named ZLIBWAPI.DLL,
- with the ZLIB_WINAPI macro turned on, and with the minizip
- functionality built in. For more information, please read
- the notes inside "contrib/vstudio/readme.txt", found in the
- zlib distribution.
-
-
- 8. I need to use zlib in my Microsoft .NET project. What can I
- do?
-
- - Henrik Ravn has contributed a .NET wrapper around zlib. Look
- into contrib/dotzlib/, inside the zlib distribution.
-
-
- 9. If my application uses ZLIB1.DLL, should I link it to
- MSVCRT.DLL? Why?
-
- - It is not required, but it is recommended to link your
- application to MSVCRT.DLL, if it uses ZLIB1.DLL.
-
- The executables (.EXE, .DLL, etc.) that are involved in the
- same process and are using the C run-time library (i.e. they
- are calling standard C functions), must link to the same
- library. There are several libraries in the Win32 system:
- CRTDLL.DLL, MSVCRT.DLL, the static C libraries, etc.
- Since ZLIB1.DLL is linked to MSVCRT.DLL, the executables that
- depend on it should also be linked to MSVCRT.DLL.
-
-
-10. Why are you saying that ZLIB1.DLL and my application should
- be linked to the same C run-time (CRT) library? I linked my
- application and my DLLs to different C libraries (e.g. my
- application to a static library, and my DLLs to MSVCRT.DLL),
- and everything works fine.
-
- - If a user library invokes only pure Win32 API (accessible via
- <windows.h> and the related headers), its DLL build will work
- in any context. But if this library invokes standard C API,
- things get more complicated.
-
- There is a single Win32 library in a Win32 system. Every
- function in this library resides in a single DLL module, that
- is safe to call from anywhere. On the other hand, there are
- multiple versions of the C library, and each of them has its
- own separate internal state. Standalone executables and user
- DLLs that call standard C functions must link to a C run-time
- (CRT) library, be it static or shared (DLL). Intermixing
- occurs when an executable (not necessarily standalone) and a
- DLL are linked to different CRTs, and both are running in the
- same process.
-
- Intermixing multiple CRTs is possible, as long as their
- internal states are kept intact. The Microsoft Knowledge Base
- articles KB94248 "HOWTO: Use the C Run-Time" and KB140584
- "HOWTO: Link with the Correct C Run-Time (CRT) Library"
- mention the potential problems raised by intermixing.
-
- If intermixing works for you, it's because your application
- and DLLs are avoiding the corruption of each of the CRTs'
- internal states, maybe by careful design, or maybe by fortune.
-
- Also note that linking ZLIB1.DLL to non-Microsoft CRTs, such
- as those provided by Borland, raises similar problems.
-
-
-11. Why are you linking ZLIB1.DLL to MSVCRT.DLL?
-
- - MSVCRT.DLL exists on every Windows 95 with a new service pack
- installed, or with Microsoft Internet Explorer 4 or later, and
- on all other Windows 4.x or later (Windows 98, Windows NT 4,
- or later). It is freely distributable; if not present in the
- system, it can be downloaded from Microsoft or from other
- software provider for free.
-
- The fact that MSVCRT.DLL does not exist on a virgin Windows 95
- is not so problematic. Windows 95 is scarcely found nowadays,
- Microsoft ended its support a long time ago, and many recent
- applications from various vendors, including Microsoft, do not
- even run on it. Furthermore, no serious user should run
- Windows 95 without a proper update installed.
-
-
-12. Why are you not linking ZLIB1.DLL to
- <<my favorite C run-time library>> ?
-
- - We considered and abandoned the following alternatives:
-
- * Linking ZLIB1.DLL to a static C library (LIBC.LIB, or
- LIBCMT.LIB) is not a good option. People are using the DLL
- mainly to save disk space. If you are linking your program
- to a static C library, you may as well consider linking zlib
- in statically, too.
-
- * Linking ZLIB1.DLL to CRTDLL.DLL looks appealing, because
- CRTDLL.DLL is present on every Win32 installation.
- Unfortunately, it has a series of problems: it does not
- work properly with Microsoft's C++ libraries, it does not
- provide support for 64-bit file offsets, (and so on...),
- and Microsoft discontinued its support a long time ago.
-
- * Linking ZLIB1.DLL to MSVCR70.DLL or MSVCR71.DLL, supplied
- with the Microsoft .NET platform, and Visual C++ 7.0/7.1,
- raises problems related to the status of ZLIB1.DLL as a
- system component. According to the Microsoft Knowledge Base
- article KB326922 "INFO: Redistribution of the Shared C
- Runtime Component in Visual C++ .NET", MSVCR70.DLL and
- MSVCR71.DLL are not supposed to function as system DLLs,
- because they may clash with MSVCRT.DLL. Instead, the
- application's installer is supposed to put these DLLs
- (if needed) in the application's private directory.
- If ZLIB1.DLL depends on a non-system runtime, it cannot
- function as a redistributable system component.
-
- * Linking ZLIB1.DLL to non-Microsoft runtimes, such as
- Borland's, or Cygwin's, raises problems related to the
- reliable presence of these runtimes on Win32 systems.
- It's easier to let the DLL build of zlib up to the people
- who distribute these runtimes, and who may proceed as
- explained in the answer to Question 14.
-
-
-13. If ZLIB1.DLL cannot be linked to MSVCR70.DLL or MSVCR71.DLL,
- how can I build/use ZLIB1.DLL in Microsoft Visual C++ 7.0
- (Visual Studio .NET) or newer?
-
- - Due to the problems explained in the Microsoft Knowledge Base
- article KB326922 (see the previous answer), the C runtime that
- comes with the VC7 environment is no longer considered a
- system component. That is, it should not be assumed that this
- runtime exists, or may be installed in a system directory.
- Since ZLIB1.DLL is supposed to be a system component, it may
- not depend on a non-system component.
-
- In order to link ZLIB1.DLL and your application to MSVCRT.DLL
- in VC7, you need the library of Visual C++ 6.0 or older. If
- you don't have this library at hand, it's probably best not to
- use ZLIB1.DLL.
-
- We are hoping that, in the future, Microsoft will provide a
- way to build applications linked to a proper system runtime,
- from the Visual C++ environment. Until then, you have a
- couple of alternatives, such as linking zlib in statically.
- If your application requires dynamic linking, you may proceed
- as explained in the answer to Question 14.
-
-
-14. I need to link my own DLL build to a CRT different than
- MSVCRT.DLL. What can I do?
-
- - Feel free to rebuild the DLL from the zlib sources, and link
- it the way you want. You should, however, clearly state that
- your build is unofficial. You should give it a different file
- name, and/or install it in a private directory that can be
- accessed by your application only, and is not visible to the
- others (e.g. it's not in the SYSTEM or the SYSTEM32 directory,
- and it's not in the PATH). Otherwise, your build may clash
- with applications that link to the official build.
-
- For example, in Cygwin, zlib is linked to the Cygwin runtime
- CYGWIN1.DLL, and it is distributed under the name CYGZ.DLL.
-
-
-15. May I include additional pieces of code that I find useful,
- link them in ZLIB1.DLL, and export them?
-
- - No. A legitimate build of ZLIB1.DLL must not include code
- that does not originate from the official zlib source code.
- But you can make your own private DLL build, under a different
- file name, as suggested in the previous answer.
-
- For example, zlib is a part of the VCL library, distributed
- with Borland Delphi and C++ Builder. The DLL build of VCL
- is a redistributable file, named VCLxx.DLL.
-
-
-16. May I remove some functionality out of ZLIB1.DLL, by enabling
- macros like NO_GZCOMPRESS or NO_GZIP at compile time?
-
- - No. A legitimate build of ZLIB1.DLL must provide the complete
- zlib functionality, as implemented in the official zlib source
- code. But you can make your own private DLL build, under a
- different file name, as suggested in the previous answer.
-
-
-17. I made my own ZLIB1.DLL build. Can I test it for compliance?
-
- - We prefer that you download the official DLL from the zlib
- web site. If you need something peculiar from this DLL, you
- can send your suggestion to the zlib mailing list.
-
- However, in case you do rebuild the DLL yourself, you can run
- it with the test programs found in the DLL distribution.
- Running these test programs is not a guarantee of compliance,
- but a failure can imply a detected problem.
-
-**
-
-This document is written and maintained by
-Cosmin Truta <cosmint@cs.ubbcluj.ro>
+++ /dev/null
-# Makefile for zlib
-# Borland C++ for Win32
-#
-# Updated for zlib 1.2.x by Cosmin Truta, 11-Mar-2003
-# Last updated: 28-Aug-2003
-#
-# Usage:
-# make -f win32/Makefile.bor
-# make -f win32/Makefile.bor LOCAL_ZLIB=-DASMV OBJA=match.obj OBJPA=+match.obj
-
-# ------------ Borland C++ ------------
-
-# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7)
-# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or
-# added to the declaration of LOC here:
-LOC = $(LOCAL_ZLIB)
-
-CC = bcc32
-AS = bcc32
-LD = bcc32
-AR = tlib
-CFLAGS = -a -d -k- -O2 $(LOC)
-ASFLAGS = $(LOC)
-LDFLAGS = $(LOC)
-
-
-# variables
-ZLIB_LIB = zlib.lib
-
-OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj
-OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj
-#OBJA =
-OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infback.obj
-OBJP2 = +inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj
-#OBJPA=
-
-
-# targets
-all: $(ZLIB_LIB) example.exe minigzip.exe
-
-.c.obj:
- $(CC) -c $(CFLAGS) $<
-
-.asm.obj:
- $(AS) -c $(ASFLAGS) $<
-
-adler32.obj: adler32.c zlib.h zconf.h
-
-compress.obj: compress.c zlib.h zconf.h
-
-crc32.obj: crc32.c zlib.h zconf.h crc32.h
-
-deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h
-
-gzio.obj: gzio.c zutil.h zlib.h zconf.h
-
-infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h
-
-inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h
-
-trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h
-
-uncompr.obj: uncompr.c zlib.h zconf.h
-
-zutil.obj: zutil.c zutil.h zlib.h zconf.h
-
-example.obj: example.c zlib.h zconf.h
-
-minigzip.obj: minigzip.c zlib.h zconf.h
-
-
-# For the sake of the old Borland make,
-# the command line is cut to fit in the MS-DOS 128 byte limit:
-$(ZLIB_LIB): $(OBJ1) $(OBJ2) $(OBJA)
- -del $(ZLIB_LIB)
- $(AR) $(ZLIB_LIB) $(OBJP1)
- $(AR) $(ZLIB_LIB) $(OBJP2)
- $(AR) $(ZLIB_LIB) $(OBJPA)
-
-
-# testing
-test: example.exe minigzip.exe
- example
- echo hello world | minigzip | minigzip -d
-
-example.exe: example.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB)
-
-minigzip.exe: minigzip.obj $(ZLIB_LIB)
- $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB)
-
-
-# cleanup
-clean:
- -del *.obj
- -del *.lib
- -del *.exe
- -del *.tds
- -del zlib.bak
- -del foo.gz
+++ /dev/null
-# Makefile for zlib. Modified for emx/rsxnt by Chr. Spieler, 6/16/98.
-# Copyright (C) 1995-1998 Jean-loup Gailly.
-# For conditions of distribution and use, see copyright notice in zlib.h
-
-# To compile, or to compile and test, type:
-#
-# make -fmakefile.emx; make test -fmakefile.emx
-#
-
-CC=gcc -Zwin32
-
-#CFLAGS=-MMD -O
-#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
-#CFLAGS=-MMD -g -DDEBUG
-CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
- -Wstrict-prototypes -Wmissing-prototypes
-
-# If cp.exe is available, replace "copy /Y" with "cp -fp" .
-CP=copy /Y
-# If gnu install.exe is available, replace $(CP) with ginstall.
-INSTALL=$(CP)
-# The default value of RM is "rm -f." If "rm.exe" is found, comment out:
-RM=del
-LDLIBS=-L. -lzlib
-LD=$(CC) -s -o
-LDSHARED=$(CC)
-
-INCL=zlib.h zconf.h
-LIBS=zlib.a
-
-AR=ar rcs
-
-prefix=/usr/local
-exec_prefix = $(prefix)
-
-OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
- zutil.o inflate.o infback.o inftrees.o inffast.o
-
-TEST_OBJS = example.o minigzip.o
-
-all: example.exe minigzip.exe
-
-test: all
- ./example
- echo hello world | .\minigzip | .\minigzip -d
-
-%.o : %.c
- $(CC) $(CFLAGS) -c $< -o $@
-
-zlib.a: $(OBJS)
- $(AR) $@ $(OBJS)
-
-%.exe : %.o $(LIBS)
- $(LD) $@ $< $(LDLIBS)
-
-
-.PHONY : clean
-
-clean:
- $(RM) *.d
- $(RM) *.o
- $(RM) *.exe
- $(RM) zlib.a
- $(RM) foo.gz
-
-DEPS := $(wildcard *.d)
-ifneq ($(DEPS),)
-include $(DEPS)
-endif
+++ /dev/null
-# Makefile for zlib, derived from Makefile.dj2.
-# Modified for mingw32 by C. Spieler, 6/16/98.
-# Updated for zlib 1.2.x by Christian Spieler and Cosmin Truta, Mar-2003.
-# Last updated: 1-Aug-2003.
-# Tested under Cygwin and MinGW.
-
-# Copyright (C) 1995-2003 Jean-loup Gailly.
-# For conditions of distribution and use, see copyright notice in zlib.h
-
-# To compile, or to compile and test, type:
-#
-# make -fmakefile.gcc; make test testdll -fmakefile.gcc
-#
-# To use the asm code, type:
-# cp contrib/asm?86/match.S ./match.S
-# make LOC=-DASMV OBJA=match.o -fmakefile.gcc
-#
-# To install libz.a, zconf.h and zlib.h in the system directories, type:
-#
-# make install -fmakefile.gcc
-
-# Note:
-# If the platform is *not* MinGW (e.g. it is Cygwin or UWIN),
-# the DLL name should be changed from "zlib1.dll".
-
-STATICLIB = libz.a
-SHAREDLIB = zlib1.dll
-IMPLIB = libzdll.a
-
-#LOC = -DASMV
-#LOC = -DDEBUG -g
-
-CC = gcc
-CFLAGS = $(LOC) -O3 -Wall
-
-AS = $(CC)
-ASFLAGS = $(LOC) -Wall
-
-LD = $(CC)
-LDFLAGS = $(LOC) -s
-
-AR = ar
-ARFLAGS = rcs
-
-RC = windres
-RCFLAGS = --define GCC_WINDRES
-
-CP = cp -fp
-# If GNU install is available, replace $(CP) with install.
-INSTALL = $(CP)
-RM = rm -f
-
-prefix = /usr/local
-exec_prefix = $(prefix)
-
-OBJS = adler32.o compress.o crc32.o deflate.o gzio.o infback.o \
- inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o
-OBJA =
-
-all: $(STATICLIB) $(SHAREDLIB) $(IMPLIB) example minigzip example_d minigzip_d
-
-test: example minigzip
- ./example
- echo hello world | ./minigzip | ./minigzip -d
-
-testdll: example_d minigzip_d
- ./example_d
- echo hello world | ./minigzip_d | ./minigzip_d -d
-
-.c.o:
- $(CC) $(CFLAGS) -c -o $@ $<
-
-.S.o:
- $(AS) $(ASFLAGS) -c -o $@ $<
-
-$(STATICLIB): $(OBJS) $(OBJA)
- $(AR) $(ARFLAGS) $@ $(OBJS) $(OBJA)
-
-$(IMPLIB): $(SHAREDLIB)
-
-$(SHAREDLIB): win32/zlib.def $(OBJS) $(OBJA) zlibrc.o
- dllwrap --driver-name $(CC) --def win32/zlib.def \
- --implib $(IMPLIB) -o $@ $(OBJS) $(OBJA) zlibrc.o
- strip $@
-
-example: example.o $(STATICLIB)
- $(LD) $(LDFLAGS) -o $@ example.o $(STATICLIB)
-
-minigzip: minigzip.o $(STATICLIB)
- $(LD) $(LDFLAGS) -o $@ minigzip.o $(STATICLIB)
-
-example_d: example.o $(IMPLIB)
- $(LD) $(LDFLAGS) -o $@ example.o $(IMPLIB)
-
-minigzip_d: minigzip.o $(IMPLIB)
- $(LD) $(LDFLAGS) -o $@ minigzip.o $(IMPLIB)
-
-zlibrc.o: win32/zlib1.rc
- $(RC) $(RCFLAGS) -o $@ win32/zlib1.rc
-
-
-# INCLUDE_PATH and LIBRARY_PATH must be set.
-
-.PHONY: install uninstall clean
-
-install: zlib.h zconf.h $(LIB)
- -@if not exist $(INCLUDE_PATH)/nul mkdir $(INCLUDE_PATH)
- -@if not exist $(LIBRARY_PATH)/nul mkdir $(LIBRARY_PATH)
- -$(INSTALL) zlib.h $(INCLUDE_PATH)
- -$(INSTALL) zconf.h $(INCLUDE_PATH)
- -$(INSTALL) $(STATICLIB) $(LIBRARY_PATH)
- -$(INSTALL) $(IMPLIB) $(LIBRARY_PATH)
-
-uninstall:
- -$(RM) $(INCLUDE_PATH)/zlib.h
- -$(RM) $(INCLUDE_PATH)/zconf.h
- -$(RM) $(LIBRARY_PATH)/$(STATICLIB)
- -$(RM) $(LIBRARY_PATH)/$(IMPLIB)
-
-clean:
- -$(RM) $(STATICLIB)
- -$(RM) $(SHAREDLIB)
- -$(RM) $(IMPLIB)
- -$(RM) *.o
- -$(RM) *.exe
- -$(RM) foo.gz
-
-adler32.o: zlib.h zconf.h
-compress.o: zlib.h zconf.h
-crc32.o: crc32.h zlib.h zconf.h
-deflate.o: deflate.h zutil.h zlib.h zconf.h
-example.o: zlib.h zconf.h
-gzio.o: zutil.h zlib.h zconf.h
-inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h
-inftrees.o: zutil.h zlib.h zconf.h inftrees.h
-minigzip.o: zlib.h zconf.h
-trees.o: deflate.h zutil.h zlib.h zconf.h trees.h
-uncompr.o: zlib.h zconf.h
-zutil.o: zutil.h zlib.h zconf.h
+++ /dev/null
-# Makefile for zlib -- Microsoft (Visual) C
-#
-# Authors:
-# Cosmin Truta, 11-Mar-2003
-# Christian Spieler, 19-Mar-2003
-#
-# Last updated:
-# Cosmin Truta, 27-Aug-2003
-#
-# Usage:
-# nmake -f win32/Makefile.msc (standard build)
-# nmake -f win32/Makefile.msc LOC=-DFOO (nonstandard build)
-# nmake -f win32/Makefile.msc LOC=-DASMV OBJA=match.obj (use ASM code)
-
-
-# optional build flags
-LOC =
-
-
-# variables
-STATICLIB = zlib.lib
-SHAREDLIB = zlib1.dll
-IMPLIB = zdll.lib
-
-CC = cl
-AS = ml
-LD = link
-AR = lib
-RC = rc
-CFLAGS = -nologo -MD -O2 $(LOC)
-ASFLAGS = -coff
-LDFLAGS = -nologo -release
-ARFLAGS = -nologo
-RCFLAGS = /dWIN32 /r
-
-OBJS = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj \
- inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj
-OBJA =
-
-
-# targets
-all: $(STATICLIB) $(SHAREDLIB) $(IMPLIB) \
- example.exe minigzip.exe example_d.exe minigzip_d.exe
-
-$(STATICLIB): $(OBJS) $(OBJA)
- $(AR) $(ARFLAGS) -out:$@ $(OBJS) $(OBJA)
-
-$(IMPLIB): $(SHAREDLIB)
-
-$(SHAREDLIB): win32/zlib.def $(OBJS) $(OBJA) zlib1.res
- $(LD) $(LDFLAGS) -def:win32/zlib.def -dll -implib:$(IMPLIB) \
- -out:$@ $(OBJS) $(OBJA) zlib1.res
-
-example.exe: example.obj $(STATICLIB)
- $(LD) $(LDFLAGS) example.obj $(STATICLIB)
-
-minigzip.exe: minigzip.obj $(STATICLIB)
- $(LD) $(LDFLAGS) minigzip.obj $(STATICLIB)
-
-example_d.exe: example.obj $(IMPLIB)
- $(LD) $(LDFLAGS) -out:$@ example.obj $(IMPLIB)
-
-minigzip_d.exe: minigzip.obj $(IMPLIB)
- $(LD) $(LDFLAGS) -out:$@ minigzip.obj $(IMPLIB)
-
-.c.obj:
- $(CC) -c $(CFLAGS) $<
-
-.asm.obj:
- $(AS) -c $(ASFLAGS) $<
-
-adler32.obj: adler32.c zlib.h zconf.h
-
-compress.obj: compress.c zlib.h zconf.h
-
-crc32.obj: crc32.c zlib.h zconf.h crc32.h
-
-deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h
-
-gzio.obj: gzio.c zutil.h zlib.h zconf.h
-
-infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h
-
-inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \
- inffast.h inffixed.h
-
-inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h
-
-trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h
-
-uncompr.obj: uncompr.c zlib.h zconf.h
-
-zutil.obj: zutil.c zutil.h zlib.h zconf.h
-
-example.obj: example.c zlib.h zconf.h
-
-minigzip.obj: minigzip.c zlib.h zconf.h
-
-zlib1.res: win32/zlib1.rc
- $(RC) $(RCFLAGS) /fo$@ win32/zlib1.rc
-
-
-# testing
-test: example.exe minigzip.exe
- example
- echo hello world | minigzip | minigzip -d
-
-testdll: example_d.exe minigzip_d.exe
- example_d
- echo hello world | minigzip_d | minigzip_d -d
-
-
-# cleanup
-clean:
- -del $(STATICLIB)
- -del $(SHAREDLIB)
- -del $(IMPLIB)
- -del *.obj
- -del *.res
- -del *.exp
- -del *.exe
- -del foo.gz
+++ /dev/null
-
-To build zlib using the Microsoft Visual C++ environment,
-use the appropriate project from the projects/ directory.
+++ /dev/null
-LIBRARY
-; zlib data compression library
-
-EXPORTS
-; basic functions
- zlibVersion
- deflate
- deflateEnd
- inflate
- inflateEnd
-; advanced functions
- deflateSetDictionary
- deflateCopy
- deflateReset
- deflateParams
- deflateBound
- deflatePrime
- inflateSetDictionary
- inflateSync
- inflateCopy
- inflateReset
- inflateBack
- inflateBackEnd
- zlibCompileFlags
-; utility functions
- compress
- compress2
- compressBound
- uncompress
- gzopen
- gzdopen
- gzsetparams
- gzread
- gzwrite
- gzprintf
- gzputs
- gzgets
- gzputc
- gzgetc
- gzungetc
- gzflush
- gzseek
- gzrewind
- gztell
- gzeof
- gzclose
- gzerror
- gzclearerr
-; checksum functions
- adler32
- crc32
-; various hacks, don't look :)
- deflateInit_
- deflateInit2_
- inflateInit_
- inflateInit2_
- inflateBackInit_
- inflateSyncPoint
- get_crc_table
- zError
+++ /dev/null
-#include <windows.h>
-
-#ifdef GCC_WINDRES
-VS_VERSION_INFO VERSIONINFO
-#else
-VS_VERSION_INFO VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
-#endif
- FILEVERSION 1,2,2,0
- PRODUCTVERSION 1,2,2,0
- FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
-#ifdef _DEBUG
- FILEFLAGS 1
-#else
- FILEFLAGS 0
-#endif
- FILEOS VOS_DOS_WINDOWS32
- FILETYPE VFT_DLL
- FILESUBTYPE 0 // not used
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN
- BLOCK "040904E4"
- //language ID = U.S. English, char set = Windows, Multilingual
- BEGIN
- VALUE "FileDescription", "zlib data compression library\0"
- VALUE "FileVersion", "1.2.3\0"
- VALUE "InternalName", "zlib1.dll\0"
- VALUE "LegalCopyright", "(C) 1995-2004 Jean-loup Gailly & Mark Adler\0"
- VALUE "OriginalFilename", "zlib1.dll\0"
- VALUE "ProductName", "zlib\0"
- VALUE "ProductVersion", "1.2.3\0"
- VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
- END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x0409, 1252
- END
-END
+++ /dev/null
-/* zconf.h -- configuration of the zlib compression library
- * Copyright (C) 1995-2005 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* @(#) $Id$ */
-
-#ifndef ZCONF_H
-#define ZCONF_H
-
-/*
- * If you *really* need a unique prefix for all types and library functions,
- * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
- */
-#ifdef Z_PREFIX
-# define deflateInit_ z_deflateInit_
-# define deflate z_deflate
-# define deflateEnd z_deflateEnd
-# define inflateInit_ z_inflateInit_
-# define inflate z_inflate
-# define inflateEnd z_inflateEnd
-# define deflateInit2_ z_deflateInit2_
-# define deflateSetDictionary z_deflateSetDictionary
-# define deflateCopy z_deflateCopy
-# define deflateReset z_deflateReset
-# define deflateParams z_deflateParams
-# define deflateBound z_deflateBound
-# define deflatePrime z_deflatePrime
-# define inflateInit2_ z_inflateInit2_
-# define inflateSetDictionary z_inflateSetDictionary
-# define inflateSync z_inflateSync
-# define inflateSyncPoint z_inflateSyncPoint
-# define inflateCopy z_inflateCopy
-# define inflateReset z_inflateReset
-# define inflateBack z_inflateBack
-# define inflateBackEnd z_inflateBackEnd
-# define compress z_compress
-# define compress2 z_compress2
-# define compressBound z_compressBound
-# define uncompress z_uncompress
-# define adler32 z_adler32
-# define crc32 z_crc32
-# define get_crc_table z_get_crc_table
-# define zError z_zError
-
-# define alloc_func z_alloc_func
-# define free_func z_free_func
-# define in_func z_in_func
-# define out_func z_out_func
-# define Byte z_Byte
-# define uInt z_uInt
-# define uLong z_uLong
-# define Bytef z_Bytef
-# define charf z_charf
-# define intf z_intf
-# define uIntf z_uIntf
-# define uLongf z_uLongf
-# define voidpf z_voidpf
-# define voidp z_voidp
-#endif
-
-#if defined(__MSDOS__) && !defined(MSDOS)
-# define MSDOS
-#endif
-#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
-# define OS2
-#endif
-#if defined(_WINDOWS) && !defined(WINDOWS)
-# define WINDOWS
-#endif
-#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
-# ifndef WIN32
-# define WIN32
-# endif
-#endif
-#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
-# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
-# ifndef SYS16BIT
-# define SYS16BIT
-# endif
-# endif
-#endif
-
-/*
- * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
- * than 64k bytes at a time (needed on systems with 16-bit int).
- */
-#ifdef SYS16BIT
-# define MAXSEG_64K
-#endif
-#ifdef MSDOS
-# define UNALIGNED_OK
-#endif
-
-#ifdef __STDC_VERSION__
-# ifndef STDC
-# define STDC
-# endif
-# if __STDC_VERSION__ >= 199901L
-# ifndef STDC99
-# define STDC99
-# endif
-# endif
-#endif
-#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
-# define STDC
-#endif
-#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
-# define STDC
-#endif
-#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
-# define STDC
-#endif
-#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
-# define STDC
-#endif
-
-#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
-# define STDC
-#endif
-
-#ifndef STDC
-# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
-# define const /* note: need a more gentle solution here */
-# endif
-#endif
-
-/* Some Mac compilers merge all .h files incorrectly: */
-#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
-# define NO_DUMMY_DECL
-#endif
-
-/* Maximum value for memLevel in deflateInit2 */
-#ifndef MAX_MEM_LEVEL
-# ifdef MAXSEG_64K
-# define MAX_MEM_LEVEL 8
-# else
-# define MAX_MEM_LEVEL 9
-# endif
-#endif
-
-/* Maximum value for windowBits in deflateInit2 and inflateInit2.
- * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
- * created by gzip. (Files created by minigzip can still be extracted by
- * gzip.)
- */
-#ifndef MAX_WBITS
-# define MAX_WBITS 15 /* 32K LZ77 window */
-#endif
-
-/* The memory requirements for deflate are (in bytes):
- (1 << (windowBits+2)) + (1 << (memLevel+9))
- that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
- plus a few kilobytes for small objects. For example, if you want to reduce
- the default memory requirements from 256K to 128K, compile with
- make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
- Of course this will generally degrade compression (there's no free lunch).
-
- The memory requirements for inflate are (in bytes) 1 << windowBits
- that is, 32K for windowBits=15 (default value) plus a few kilobytes
- for small objects.
-*/
-
- /* Type declarations */
-
-#ifndef OF /* function prototypes */
-# ifdef STDC
-# define OF(args) args
-# else
-# define OF(args) ()
-# endif
-#endif
-
-/* The following definitions for FAR are needed only for MSDOS mixed
- * model programming (small or medium model with some far allocations).
- * This was tested only with MSC; for other MSDOS compilers you may have
- * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
- * just define FAR to be empty.
- */
-#ifdef SYS16BIT
-# if defined(M_I86SM) || defined(M_I86MM)
- /* MSC small or medium model */
-# define SMALL_MEDIUM
-# ifdef _MSC_VER
-# define FAR _far
-# else
-# define FAR far
-# endif
-# endif
-# if (defined(__SMALL__) || defined(__MEDIUM__))
- /* Turbo C small or medium model */
-# define SMALL_MEDIUM
-# ifdef __BORLANDC__
-# define FAR _far
-# else
-# define FAR far
-# endif
-# endif
-#endif
-
-#if defined(WINDOWS) || defined(WIN32)
- /* If building or using zlib as a DLL, define ZLIB_DLL.
- * This is not mandatory, but it offers a little performance increase.
- */
-# ifdef ZLIB_DLL
-# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
-# ifdef ZLIB_INTERNAL
-# define ZEXTERN extern __declspec(dllexport)
-# else
-# define ZEXTERN extern __declspec(dllimport)
-# endif
-# endif
-# endif /* ZLIB_DLL */
- /* If building or using zlib with the WINAPI/WINAPIV calling convention,
- * define ZLIB_WINAPI.
- * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
- */
-# ifdef ZLIB_WINAPI
-# ifdef FAR
-# undef FAR
-# endif
-# include <windows.h>
- /* No need for _export, use ZLIB.DEF instead. */
- /* For complete Windows compatibility, use WINAPI, not __stdcall. */
-# define ZEXPORT WINAPI
-# ifdef WIN32
-# define ZEXPORTVA WINAPIV
-# else
-# define ZEXPORTVA FAR CDECL
-# endif
-# endif
-#endif
-
-#if defined (__BEOS__)
-# ifdef ZLIB_DLL
-# ifdef ZLIB_INTERNAL
-# define ZEXPORT __declspec(dllexport)
-# define ZEXPORTVA __declspec(dllexport)
-# else
-# define ZEXPORT __declspec(dllimport)
-# define ZEXPORTVA __declspec(dllimport)
-# endif
-# endif
-#endif
-
-#ifndef ZEXTERN
-# define ZEXTERN extern
-#endif
-#ifndef ZEXPORT
-# define ZEXPORT
-#endif
-#ifndef ZEXPORTVA
-# define ZEXPORTVA
-#endif
-
-#ifndef FAR
-# define FAR
-#endif
-
-#if !defined(__MACTYPES__)
-typedef unsigned char Byte; /* 8 bits */
-#endif
-typedef unsigned int uInt; /* 16 bits or more */
-typedef unsigned long uLong; /* 32 bits or more */
-
-#ifdef SMALL_MEDIUM
- /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
-# define Bytef Byte FAR
-#else
- typedef Byte FAR Bytef;
-#endif
-typedef char FAR charf;
-typedef int FAR intf;
-typedef uInt FAR uIntf;
-typedef uLong FAR uLongf;
-
-#ifdef STDC
- typedef void const *voidpc;
- typedef void FAR *voidpf;
- typedef void *voidp;
-#else
- typedef Byte const *voidpc;
- typedef Byte FAR *voidpf;
- typedef Byte *voidp;
-#endif
-
-#if HAVE_UNISTD_H /* HAVE_UNISTD_H -- this line is updated by ./configure */
-# include <sys/types.h> /* for off_t */
-# include <unistd.h> /* for SEEK_* and off_t */
-# ifdef VMS
-# include <unixio.h> /* for off_t */
-# endif
-# define z_off_t off_t
-#endif
-#ifndef SEEK_SET
-# define SEEK_SET 0 /* Seek from beginning of file. */
-# define SEEK_CUR 1 /* Seek from current position. */
-# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
-#endif
-#ifndef z_off_t
-# define z_off_t long
-#endif
-
-#if defined(__OS400__)
-# define NO_vsnprintf
-#endif
-
-#if defined(__MVS__)
-# define NO_vsnprintf
-# ifdef FAR
-# undef FAR
-# endif
-#endif
-
-/* MVS linker does not support external names larger than 8 bytes */
-#if defined(__MVS__)
-# pragma map(deflateInit_,"DEIN")
-# pragma map(deflateInit2_,"DEIN2")
-# pragma map(deflateEnd,"DEEND")
-# pragma map(deflateBound,"DEBND")
-# pragma map(inflateInit_,"ININ")
-# pragma map(inflateInit2_,"ININ2")
-# pragma map(inflateEnd,"INEND")
-# pragma map(inflateSync,"INSY")
-# pragma map(inflateSetDictionary,"INSEDI")
-# pragma map(compressBound,"CMBND")
-# pragma map(inflate_table,"INTABL")
-# pragma map(inflate_fast,"INFA")
-# pragma map(inflate_copyright,"INCOPY")
-#endif
-
-#endif /* ZCONF_H */
+++ /dev/null
-/* zconf.h -- configuration of the zlib compression library
- * Copyright (C) 1995-2005 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* @(#) $Id$ */
-
-#ifndef ZCONF_H
-#define ZCONF_H
-
-/*
- * If you *really* need a unique prefix for all types and library functions,
- * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
- */
-#ifdef Z_PREFIX
-# define deflateInit_ z_deflateInit_
-# define deflate z_deflate
-# define deflateEnd z_deflateEnd
-# define inflateInit_ z_inflateInit_
-# define inflate z_inflate
-# define inflateEnd z_inflateEnd
-# define deflateInit2_ z_deflateInit2_
-# define deflateSetDictionary z_deflateSetDictionary
-# define deflateCopy z_deflateCopy
-# define deflateReset z_deflateReset
-# define deflateParams z_deflateParams
-# define deflateBound z_deflateBound
-# define deflatePrime z_deflatePrime
-# define inflateInit2_ z_inflateInit2_
-# define inflateSetDictionary z_inflateSetDictionary
-# define inflateSync z_inflateSync
-# define inflateSyncPoint z_inflateSyncPoint
-# define inflateCopy z_inflateCopy
-# define inflateReset z_inflateReset
-# define inflateBack z_inflateBack
-# define inflateBackEnd z_inflateBackEnd
-# define compress z_compress
-# define compress2 z_compress2
-# define compressBound z_compressBound
-# define uncompress z_uncompress
-# define adler32 z_adler32
-# define crc32 z_crc32
-# define get_crc_table z_get_crc_table
-# define zError z_zError
-
-# define alloc_func z_alloc_func
-# define free_func z_free_func
-# define in_func z_in_func
-# define out_func z_out_func
-# define Byte z_Byte
-# define uInt z_uInt
-# define uLong z_uLong
-# define Bytef z_Bytef
-# define charf z_charf
-# define intf z_intf
-# define uIntf z_uIntf
-# define uLongf z_uLongf
-# define voidpf z_voidpf
-# define voidp z_voidp
-#endif
-
-#if defined(__MSDOS__) && !defined(MSDOS)
-# define MSDOS
-#endif
-#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
-# define OS2
-#endif
-#if defined(_WINDOWS) && !defined(WINDOWS)
-# define WINDOWS
-#endif
-#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
-# ifndef WIN32
-# define WIN32
-# endif
-#endif
-#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
-# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
-# ifndef SYS16BIT
-# define SYS16BIT
-# endif
-# endif
-#endif
-
-/*
- * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
- * than 64k bytes at a time (needed on systems with 16-bit int).
- */
-#ifdef SYS16BIT
-# define MAXSEG_64K
-#endif
-#ifdef MSDOS
-# define UNALIGNED_OK
-#endif
-
-#ifdef __STDC_VERSION__
-# ifndef STDC
-# define STDC
-# endif
-# if __STDC_VERSION__ >= 199901L
-# ifndef STDC99
-# define STDC99
-# endif
-# endif
-#endif
-#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
-# define STDC
-#endif
-#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
-# define STDC
-#endif
-#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
-# define STDC
-#endif
-#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
-# define STDC
-#endif
-
-#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
-# define STDC
-#endif
-
-#ifndef STDC
-# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
-# define const /* note: need a more gentle solution here */
-# endif
-#endif
-
-/* Some Mac compilers merge all .h files incorrectly: */
-#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
-# define NO_DUMMY_DECL
-#endif
-
-/* Maximum value for memLevel in deflateInit2 */
-#ifndef MAX_MEM_LEVEL
-# ifdef MAXSEG_64K
-# define MAX_MEM_LEVEL 8
-# else
-# define MAX_MEM_LEVEL 9
-# endif
-#endif
-
-/* Maximum value for windowBits in deflateInit2 and inflateInit2.
- * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
- * created by gzip. (Files created by minigzip can still be extracted by
- * gzip.)
- */
-#ifndef MAX_WBITS
-# define MAX_WBITS 15 /* 32K LZ77 window */
-#endif
-
-/* The memory requirements for deflate are (in bytes):
- (1 << (windowBits+2)) + (1 << (memLevel+9))
- that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
- plus a few kilobytes for small objects. For example, if you want to reduce
- the default memory requirements from 256K to 128K, compile with
- make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
- Of course this will generally degrade compression (there's no free lunch).
-
- The memory requirements for inflate are (in bytes) 1 << windowBits
- that is, 32K for windowBits=15 (default value) plus a few kilobytes
- for small objects.
-*/
-
- /* Type declarations */
-
-#ifndef OF /* function prototypes */
-# ifdef STDC
-# define OF(args) args
-# else
-# define OF(args) ()
-# endif
-#endif
-
-/* The following definitions for FAR are needed only for MSDOS mixed
- * model programming (small or medium model with some far allocations).
- * This was tested only with MSC; for other MSDOS compilers you may have
- * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
- * just define FAR to be empty.
- */
-#ifdef SYS16BIT
-# if defined(M_I86SM) || defined(M_I86MM)
- /* MSC small or medium model */
-# define SMALL_MEDIUM
-# ifdef _MSC_VER
-# define FAR _far
-# else
-# define FAR far
-# endif
-# endif
-# if (defined(__SMALL__) || defined(__MEDIUM__))
- /* Turbo C small or medium model */
-# define SMALL_MEDIUM
-# ifdef __BORLANDC__
-# define FAR _far
-# else
-# define FAR far
-# endif
-# endif
-#endif
-
-#if defined(WINDOWS) || defined(WIN32)
- /* If building or using zlib as a DLL, define ZLIB_DLL.
- * This is not mandatory, but it offers a little performance increase.
- */
-# ifdef ZLIB_DLL
-# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
-# ifdef ZLIB_INTERNAL
-# define ZEXTERN extern __declspec(dllexport)
-# else
-# define ZEXTERN extern __declspec(dllimport)
-# endif
-# endif
-# endif /* ZLIB_DLL */
- /* If building or using zlib with the WINAPI/WINAPIV calling convention,
- * define ZLIB_WINAPI.
- * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
- */
-# ifdef ZLIB_WINAPI
-# ifdef FAR
-# undef FAR
-# endif
-# include <windows.h>
- /* No need for _export, use ZLIB.DEF instead. */
- /* For complete Windows compatibility, use WINAPI, not __stdcall. */
-# define ZEXPORT WINAPI
-# ifdef WIN32
-# define ZEXPORTVA WINAPIV
-# else
-# define ZEXPORTVA FAR CDECL
-# endif
-# endif
-#endif
-
-#if defined (__BEOS__)
-# ifdef ZLIB_DLL
-# ifdef ZLIB_INTERNAL
-# define ZEXPORT __declspec(dllexport)
-# define ZEXPORTVA __declspec(dllexport)
-# else
-# define ZEXPORT __declspec(dllimport)
-# define ZEXPORTVA __declspec(dllimport)
-# endif
-# endif
-#endif
-
-#ifndef ZEXTERN
-# define ZEXTERN extern
-#endif
-#ifndef ZEXPORT
-# define ZEXPORT
-#endif
-#ifndef ZEXPORTVA
-# define ZEXPORTVA
-#endif
-
-#ifndef FAR
-# define FAR
-#endif
-
-#if !defined(__MACTYPES__)
-typedef unsigned char Byte; /* 8 bits */
-#endif
-typedef unsigned int uInt; /* 16 bits or more */
-typedef unsigned long uLong; /* 32 bits or more */
-
-#ifdef SMALL_MEDIUM
- /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
-# define Bytef Byte FAR
-#else
- typedef Byte FAR Bytef;
-#endif
-typedef char FAR charf;
-typedef int FAR intf;
-typedef uInt FAR uIntf;
-typedef uLong FAR uLongf;
-
-#ifdef STDC
- typedef void const *voidpc;
- typedef void FAR *voidpf;
- typedef void *voidp;
-#else
- typedef Byte const *voidpc;
- typedef Byte FAR *voidpf;
- typedef Byte *voidp;
-#endif
-
-#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
-# include <sys/types.h> /* for off_t */
-# include <unistd.h> /* for SEEK_* and off_t */
-# ifdef VMS
-# include <unixio.h> /* for off_t */
-# endif
-# define z_off_t off_t
-#endif
-#ifndef SEEK_SET
-# define SEEK_SET 0 /* Seek from beginning of file. */
-# define SEEK_CUR 1 /* Seek from current position. */
-# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
-#endif
-#ifndef z_off_t
-# define z_off_t long
-#endif
-
-#if defined(__OS400__)
-# define NO_vsnprintf
-#endif
-
-#if defined(__MVS__)
-# define NO_vsnprintf
-# ifdef FAR
-# undef FAR
-# endif
-#endif
-
-/* MVS linker does not support external names larger than 8 bytes */
-#if defined(__MVS__)
-# pragma map(deflateInit_,"DEIN")
-# pragma map(deflateInit2_,"DEIN2")
-# pragma map(deflateEnd,"DEEND")
-# pragma map(deflateBound,"DEBND")
-# pragma map(inflateInit_,"ININ")
-# pragma map(inflateInit2_,"ININ2")
-# pragma map(inflateEnd,"INEND")
-# pragma map(inflateSync,"INSY")
-# pragma map(inflateSetDictionary,"INSEDI")
-# pragma map(compressBound,"CMBND")
-# pragma map(inflate_table,"INTABL")
-# pragma map(inflate_fast,"INFA")
-# pragma map(inflate_copyright,"INCOPY")
-#endif
-
-#endif /* ZCONF_H */
+++ /dev/null
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <winver.h>
-
-#define VER_FILEVERSION 1,2,3,2027
-#define VER_FILEVERSION_STR "1.2.3.2027"
-#define VER_FILELTVERSION_STR "Zlib: general purpose data compression / decompression library"
-#define VER_LEGALCOPYRIGHT_STR "© 2005 Jean-loup Gailly <jloup@gzip.org >, Mark Adler <madler@alumni.caltech.edu>"
-//#define VER_COMMENT_STR ""
-
-#define VER_FILEDESCRIPTION_STR "Zlib: general purpose data compression / decompression library"
-#define VER_INTERNALNAME_STR "zlib1"
-#define VER_ORIGINALFILENAME_STR "zlib1.dll"
-#define VER_WWW_STR "http://www.zlib.net"
-#define VER_COMPANYNAME_STR "Zlib"
-#define VER_LICENSE_STR "(C) 1995-2002 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. Jean-loup Gailly Mark Adler jloup@gzip.org madler@alumni.caltech.edu "
-#define VER_LEGALTRADEMARKS_STR "Zlib®, Zlib®, zlib1®"
-
-#define VER_PRODUCTNAME_STR "Zlib"
-#define VER_PRODUCTVERSION 1,2,3,2027
-#define VER_PRODUCTVERSION_STR "1.2.3.2027"
-
-
-#undef OFFICIAL
-#define FINAL 1
-
-#define GNUWIN32_SPECIALBUILD_STR "GNU for Win32 <gnuwin32.sourceforge.net>"
-
-#define VER_FILETYPE VFT_DLL
-#ifndef VER_FILETYPE
-#define VER_FILETYPE VFT_APP
-#endif
-
-#define VER_FILESUBTYPE VFT2_UNKNOWN
-
-#ifndef DEBUG
-#define VER_DEBUG 0
-#else /* DEBUG */
-#define VER_DEBUG VS_FF_DEBUG
-#endif
-
-#ifndef PATCHED
-#define VER_PATCHED 0
-#else /* PATCHED */
-#define VER_PATCHED VS_FF_PATCHED
-#endif
-
-#ifndef OFFICIAL
-#define VER_SPECIALBUILD VS_FF_SPECIALBUILD
-#ifndef VER_SPECIALBUILD_STR
-#define VER_SPECIALBUILD_STR GNUWIN32_SPECIALBUILD_STR
-#endif
-#else /* OFFICIAL */
-#define VER_SPECIALBUILD 0
-#endif /* OFFICIAL */
-
-#ifndef FINAL
-#define VER_PRIVATEBUILD VS_FF_PRIVATEBUILD
-#ifndef VER_PRIVATEBUILD_STR
-#define VER_PRIVATEBUILD_STR "Pre-release"
-#endif /* VER_PRIVATEBUILD_STR */
-#define VER_PRERELEASE VS_FF_PRERELEASE
-#else /* FINAL */
-#define VER_PRIVATEBUILD 0
-#define VER_PRERELEASE 0
-#endif /* FINAL */
-
-#define VER_FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
-#define VER_FILEFLAGS (VER_PRIVATEBUILD|VER_SPECIALBUILD|VER_PRERELEASE|VER_DEBUG|VER_PATCHED)
-
-#define VER_FILEOS VOS__WINDOWS32
-
-#ifdef RC_INVOKED
-
-VS_VERSION_INFO VERSIONINFO
-FILEVERSION VER_FILEVERSION
-PRODUCTVERSION VER_PRODUCTVERSION
-FILEFLAGSMASK VER_FILEFLAGSMASK
-FILEFLAGS VER_FILEFLAGS
-FILEOS VER_FILEOS
-FILETYPE VER_FILETYPE
-FILESUBTYPE VER_FILESUBTYPE
-
-BEGIN
- BLOCK "StringFileInfo"
- BEGIN
- BLOCK "040904E4"
- /* language ID = U.S. English, char set = Windows, Multilingual */
- BEGIN
-#ifdef VER_COMMENT_STR
- VALUE "Comments", VER_COMMENT_STR
-#endif
- VALUE "CompanyName", VER_COMPANYNAME_STR
- VALUE "License", VER_LICENSE_STR
- VALUE "FileDescription", VER_FILEDESCRIPTION_STR
- VALUE "FileVersion", VER_FILEVERSION_STR
-#if !(VER_FILETYPE-VFT_DLL)
- VALUE "LibToolFileVersion",VER_FILELTVERSION_STR
-#endif
- VALUE "InternalName", VER_INTERNALNAME_STR
-#ifdef VER_LEGALCOPYRIGHT_STR
- VALUE "LegalCopyright", VER_LEGALCOPYRIGHT_STR
-#endif
-#ifdef VER_LEGALTRADEMARKS_STR
- VALUE "LegalTrademarks", VER_LEGALTRADEMARKS_STR
-#endif
- VALUE "OriginalFilename", VER_ORIGINALFILENAME_STR
- VALUE "ProductName", VER_PRODUCTNAME_STR
- VALUE "ProductVersion", VER_PRODUCTVERSION_STR
-#ifdef VER_PATCHLEVEL_STR
- VALUE "Patch level", VER_PATCHLEVEL_STR
-#endif
-#ifdef VER_PRIVATEBUILD_STR
- VALUE "PrivateBuild", VER_PRIVATEBUILD_STR
-#endif
-#ifdef VER_SPECIALBUILD_STR
- VALUE "SpecialBuild", VER_SPECIALBUILD_STR
-#endif
-#ifdef VER_AUTHOR_STR
- VALUE "Authors", VER_AUTHOR_STR
-#endif
-#ifdef VER_WWW_STR
- VALUE "WWW", VER_WWW_STR
-#endif
-END
- END
- BLOCK "VarFileInfo"
- BEGIN
- VALUE "Translation", 0x409, 1252
- END
-END
-
-#endif /* RC_INVOKED */
-500 ICON MOVEABLE PURE LOADONCALL DISCARDABLE "zlib.ico"
+++ /dev/null
-/* See: http://msdn.microsoft.com/library/en-us/shellcc/platform/shell/programmersguide/versions.asp */
-#include <windows.h>
-#include <shlwapi.h>
-#ifdef __cplusplus
-extern "C" {
-#endif
-/* __declspec(dllexport) */ HRESULT DllGetVersion (DLLVERSIONINFO2 *pdvi);
-#ifdef __cplusplus
-}
-#endif
-
-HRESULT DllGetVersion (DLLVERSIONINFO2 *pdvi)
-{
- if ( !pdvi || (pdvi->info1.cbSize != sizeof (*pdvi)) )
- return (E_INVALIDARG);
- pdvi->info1.dwMajorVersion = 1;
- pdvi->info1.dwMinorVersion = 2;
- pdvi->info1.dwBuildNumber = 3;
- pdvi->info1.dwPlatformID = DLLVER_PLATFORM_WINDOWS;
- if (pdvi->info1.cbSize == sizeof (DLLVERSIONINFO2))
- pdvi->ullVersion = MAKEDLLVERULL (1, 2, 3, 2027);
- return S_OK;
-}
+++ /dev/null
-.TH ZLIB 3 "18 July 2005"
-.SH NAME
-zlib \- compression/decompression library
-.SH SYNOPSIS
-[see
-.I zlib.h
-for full description]
-.SH DESCRIPTION
-The
-.I zlib
-library is a general purpose data compression library.
-The code is thread safe.
-It provides in-memory compression and decompression functions,
-including integrity checks of the uncompressed data.
-This version of the library supports only one compression method (deflation)
-but other algorithms will be added later
-and will have the same stream interface.
-.LP
-Compression can be done in a single step if the buffers are large enough
-(for example if an input file is mmap'ed),
-or can be done by repeated calls of the compression function.
-In the latter case,
-the application must provide more input and/or consume the output
-(providing more output space) before each call.
-.LP
-The library also supports reading and writing files in
-.IR gzip (1)
-(.gz) format
-with an interface similar to that of stdio.
-.LP
-The library does not install any signal handler.
-The decoder checks the consistency of the compressed data,
-so the library should never crash even in case of corrupted input.
-.LP
-All functions of the compression library are documented in the file
-.IR zlib.h .
-The distribution source includes examples of use of the library
-in the files
-.I example.c
-and
-.IR minigzip.c .
-.LP
-Changes to this version are documented in the file
-.I ChangeLog
-that accompanies the source,
-and are concerned primarily with bug fixes and portability enhancements.
-.LP
-A Java implementation of
-.I zlib
-is available in the Java Development Kit 1.1:
-.IP
-http://www.javasoft.com/products/JDK/1.1/docs/api/Package-java.util.zip.html
-.LP
-A Perl interface to
-.IR zlib ,
-written by Paul Marquess (pmqs@cpan.org),
-is available at CPAN (Comprehensive Perl Archive Network) sites,
-including:
-.IP
-http://www.cpan.org/modules/by-module/Compress/
-.LP
-A Python interface to
-.IR zlib ,
-written by A.M. Kuchling (amk@magnet.com),
-is available in Python 1.5 and later versions:
-.IP
-http://www.python.org/doc/lib/module-zlib.html
-.LP
-A
-.I zlib
-binding for
-.IR tcl (1),
-written by Andreas Kupries (a.kupries@westend.com),
-is availlable at:
-.IP
-http://www.westend.com/~kupries/doc/trf/man/man.html
-.LP
-An experimental package to read and write files in .zip format,
-written on top of
-.I zlib
-by Gilles Vollant (info@winimage.com),
-is available at:
-.IP
-http://www.winimage.com/zLibDll/unzip.html
-and also in the
-.I contrib/minizip
-directory of the main
-.I zlib
-web site.
-.SH "SEE ALSO"
-The
-.I zlib
-web site can be found at either of these locations:
-.IP
-http://www.zlib.org
-.br
-http://www.gzip.org/zlib/
-.LP
-The data format used by the zlib library is described by RFC
-(Request for Comments) 1950 to 1952 in the files:
-.IP
-http://www.ietf.org/rfc/rfc1950.txt (concerning zlib format)
-.br
-http://www.ietf.org/rfc/rfc1951.txt (concerning deflate format)
-.br
-http://www.ietf.org/rfc/rfc1952.txt (concerning gzip format)
-.LP
-These documents are also available in other formats from:
-.IP
-ftp://ftp.uu.net/graphics/png/documents/zlib/zdoc-index.html
-.LP
-Mark Nelson (markn@ieee.org) wrote an article about
-.I zlib
-for the Jan. 1997 issue of Dr. Dobb's Journal;
-a copy of the article is available at:
-.IP
-http://dogma.net/markn/articles/zlibtool/zlibtool.htm
-.SH "REPORTING PROBLEMS"
-Before reporting a problem,
-please check the
-.I zlib
-web site to verify that you have the latest version of
-.IR zlib ;
-otherwise,
-obtain the latest version and see if the problem still exists.
-Please read the
-.I zlib
-FAQ at:
-.IP
-http://www.gzip.org/zlib/zlib_faq.html
-.LP
-before asking for help.
-Send questions and/or comments to zlib@gzip.org,
-or (for the Windows DLL version) to Gilles Vollant (info@winimage.com).
-.SH AUTHORS
-Version 1.2.3
-Copyright (C) 1995-2005 Jean-loup Gailly (jloup@gzip.org)
-and Mark Adler (madler@alumni.caltech.edu).
-.LP
-This software is provided "as-is,"
-without any express or implied warranty.
-In no event will the authors be held liable for any damages
-arising from the use of this software.
-See the distribution directory with respect to requirements
-governing redistribution.
-The deflate format used by
-.I zlib
-was defined by Phil Katz.
-The deflate and
-.I zlib
-specifications were written by L. Peter Deutsch.
-Thanks to all the people who reported problems and suggested various
-improvements in
-.IR zlib ;
-who are too numerous to cite here.
-.LP
-UNIX manual page by R. P. C. Rodgers,
-U.S. National Library of Medicine (rodgers@nlm.nih.gov).
-.\" end of man page
+++ /dev/null
-/* zlib.h -- interface of the 'zlib' general purpose compression library
- version 1.2.3, July 18th, 2005
-
- Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-
- Jean-loup Gailly Mark Adler
- jloup@gzip.org madler@alumni.caltech.edu
-
-
- The data format used by the zlib library is described by RFCs (Request for
- Comments) 1950 to 1952 in the files http://www.ietf.org/rfc/rfc1950.txt
- (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format).
-*/
-
-#ifndef ZLIB_H
-#define ZLIB_H
-
-#include "zconf.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define ZLIB_VERSION "1.2.3"
-#define ZLIB_VERNUM 0x1230
-
-/*
- The 'zlib' compression library provides in-memory compression and
- decompression functions, including integrity checks of the uncompressed
- data. This version of the library supports only one compression method
- (deflation) but other algorithms will be added later and will have the same
- stream interface.
-
- Compression can be done in a single step if the buffers are large
- enough (for example if an input file is mmap'ed), or can be done by
- repeated calls of the compression function. In the latter case, the
- application must provide more input and/or consume the output
- (providing more output space) before each call.
-
- The compressed data format used by default by the in-memory functions is
- the zlib format, which is a zlib wrapper documented in RFC 1950, wrapped
- around a deflate stream, which is itself documented in RFC 1951.
-
- The library also supports reading and writing files in gzip (.gz) format
- with an interface similar to that of stdio using the functions that start
- with "gz". The gzip format is different from the zlib format. gzip is a
- gzip wrapper, documented in RFC 1952, wrapped around a deflate stream.
-
- This library can optionally read and write gzip streams in memory as well.
-
- The zlib format was designed to be compact and fast for use in memory
- and on communications channels. The gzip format was designed for single-
- file compression on file systems, has a larger header than zlib to maintain
- directory information, and uses a different, slower check method than zlib.
-
- The library does not install any signal handler. The decoder checks
- the consistency of the compressed data, so the library should never
- crash even in case of corrupted input.
-*/
-
-typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
-typedef void (*free_func) OF((voidpf opaque, voidpf address));
-
-struct internal_state;
-
-typedef struct z_stream_s {
- Bytef *next_in; /* next input byte */
- uInt avail_in; /* number of bytes available at next_in */
- uLong total_in; /* total nb of input bytes read so far */
-
- Bytef *next_out; /* next output byte should be put there */
- uInt avail_out; /* remaining free space at next_out */
- uLong total_out; /* total nb of bytes output so far */
-
- char *msg; /* last error message, NULL if no error */
- struct internal_state FAR *state; /* not visible by applications */
-
- alloc_func zalloc; /* used to allocate the internal state */
- free_func zfree; /* used to free the internal state */
- voidpf opaque; /* private data object passed to zalloc and zfree */
-
- int data_type; /* best guess about the data type: binary or text */
- uLong adler; /* adler32 value of the uncompressed data */
- uLong reserved; /* reserved for future use */
-} z_stream;
-
-typedef z_stream FAR *z_streamp;
-
-/*
- gzip header information passed to and from zlib routines. See RFC 1952
- for more details on the meanings of these fields.
-*/
-typedef struct gz_header_s {
- int text; /* true if compressed data believed to be text */
- uLong time; /* modification time */
- int xflags; /* extra flags (not used when writing a gzip file) */
- int os; /* operating system */
- Bytef *extra; /* pointer to extra field or Z_NULL if none */
- uInt extra_len; /* extra field length (valid if extra != Z_NULL) */
- uInt extra_max; /* space at extra (only when reading header) */
- Bytef *name; /* pointer to zero-terminated file name or Z_NULL */
- uInt name_max; /* space at name (only when reading header) */
- Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */
- uInt comm_max; /* space at comment (only when reading header) */
- int hcrc; /* true if there was or will be a header crc */
- int done; /* true when done reading gzip header (not used
- when writing a gzip file) */
-} gz_header;
-
-typedef gz_header FAR *gz_headerp;
-
-/*
- The application must update next_in and avail_in when avail_in has
- dropped to zero. It must update next_out and avail_out when avail_out
- has dropped to zero. The application must initialize zalloc, zfree and
- opaque before calling the init function. All other fields are set by the
- compression library and must not be updated by the application.
-
- The opaque value provided by the application will be passed as the first
- parameter for calls of zalloc and zfree. This can be useful for custom
- memory management. The compression library attaches no meaning to the
- opaque value.
-
- zalloc must return Z_NULL if there is not enough memory for the object.
- If zlib is used in a multi-threaded application, zalloc and zfree must be
- thread safe.
-
- On 16-bit systems, the functions zalloc and zfree must be able to allocate
- exactly 65536 bytes, but will not be required to allocate more than this
- if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS,
- pointers returned by zalloc for objects of exactly 65536 bytes *must*
- have their offset normalized to zero. The default allocation function
- provided by this library ensures this (see zutil.c). To reduce memory
- requirements and avoid any allocation of 64K objects, at the expense of
- compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h).
-
- The fields total_in and total_out can be used for statistics or
- progress reports. After compression, total_in holds the total size of
- the uncompressed data and may be saved for use in the decompressor
- (particularly if the decompressor wants to decompress everything in
- a single step).
-*/
-
- /* constants */
-
-#define Z_NO_FLUSH 0
-#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */
-#define Z_SYNC_FLUSH 2
-#define Z_FULL_FLUSH 3
-#define Z_FINISH 4
-#define Z_BLOCK 5
-/* Allowed flush values; see deflate() and inflate() below for details */
-
-#define Z_OK 0
-#define Z_STREAM_END 1
-#define Z_NEED_DICT 2
-#define Z_ERRNO (-1)
-#define Z_STREAM_ERROR (-2)
-#define Z_DATA_ERROR (-3)
-#define Z_MEM_ERROR (-4)
-#define Z_BUF_ERROR (-5)
-#define Z_VERSION_ERROR (-6)
-/* Return codes for the compression/decompression functions. Negative
- * values are errors, positive values are used for special but normal events.
- */
-
-#define Z_NO_COMPRESSION 0
-#define Z_BEST_SPEED 1
-#define Z_BEST_COMPRESSION 9
-#define Z_DEFAULT_COMPRESSION (-1)
-/* compression levels */
-
-#define Z_FILTERED 1
-#define Z_HUFFMAN_ONLY 2
-#define Z_RLE 3
-#define Z_FIXED 4
-#define Z_DEFAULT_STRATEGY 0
-/* compression strategy; see deflateInit2() below for details */
-
-#define Z_BINARY 0
-#define Z_TEXT 1
-#define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */
-#define Z_UNKNOWN 2
-/* Possible values of the data_type field (though see inflate()) */
-
-#define Z_DEFLATED 8
-/* The deflate compression method (the only one supported in this version) */
-
-#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
-
-#define zlib_version zlibVersion()
-/* for compatibility with versions < 1.0.2 */
-
- /* basic functions */
-
-ZEXTERN const char * ZEXPORT zlibVersion OF((void));
-/* The application can compare zlibVersion and ZLIB_VERSION for consistency.
- If the first character differs, the library code actually used is
- not compatible with the zlib.h header file used by the application.
- This check is automatically made by deflateInit and inflateInit.
- */
-
-/*
-ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level));
-
- Initializes the internal stream state for compression. The fields
- zalloc, zfree and opaque must be initialized before by the caller.
- If zalloc and zfree are set to Z_NULL, deflateInit updates them to
- use default allocation functions.
-
- The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9:
- 1 gives best speed, 9 gives best compression, 0 gives no compression at
- all (the input data is simply copied a block at a time).
- Z_DEFAULT_COMPRESSION requests a default compromise between speed and
- compression (currently equivalent to level 6).
-
- deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not
- enough memory, Z_STREAM_ERROR if level is not a valid compression level,
- Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible
- with the version assumed by the caller (ZLIB_VERSION).
- msg is set to null if there is no error message. deflateInit does not
- perform any compression: this will be done by deflate().
-*/
-
-
-ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
-/*
- deflate compresses as much data as possible, and stops when the input
- buffer becomes empty or the output buffer becomes full. It may introduce some
- output latency (reading input without producing any output) except when
- forced to flush.
-
- The detailed semantics are as follows. deflate performs one or both of the
- following actions:
-
- - Compress more input starting at next_in and update next_in and avail_in
- accordingly. If not all input can be processed (because there is not
- enough room in the output buffer), next_in and avail_in are updated and
- processing will resume at this point for the next call of deflate().
-
- - Provide more output starting at next_out and update next_out and avail_out
- accordingly. This action is forced if the parameter flush is non zero.
- Forcing flush frequently degrades the compression ratio, so this parameter
- should be set only when necessary (in interactive applications).
- Some output may be provided even if flush is not set.
-
- Before the call of deflate(), the application should ensure that at least
- one of the actions is possible, by providing more input and/or consuming
- more output, and updating avail_in or avail_out accordingly; avail_out
- should never be zero before the call. The application can consume the
- compressed output when it wants, for example when the output buffer is full
- (avail_out == 0), or after each call of deflate(). If deflate returns Z_OK
- and with zero avail_out, it must be called again after making room in the
- output buffer because there might be more output pending.
-
- Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to
- decide how much data to accumualte before producing output, in order to
- maximize compression.
-
- If the parameter flush is set to Z_SYNC_FLUSH, all pending output is
- flushed to the output buffer and the output is aligned on a byte boundary, so
- that the decompressor can get all input data available so far. (In particular
- avail_in is zero after the call if enough output space has been provided
- before the call.) Flushing may degrade compression for some compression
- algorithms and so it should be used only when necessary.
-
- If flush is set to Z_FULL_FLUSH, all output is flushed as with
- Z_SYNC_FLUSH, and the compression state is reset so that decompression can
- restart from this point if previous compressed data has been damaged or if
- random access is desired. Using Z_FULL_FLUSH too often can seriously degrade
- compression.
-
- If deflate returns with avail_out == 0, this function must be called again
- with the same value of the flush parameter and more output space (updated
- avail_out), until the flush is complete (deflate returns with non-zero
- avail_out). In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH, make sure that
- avail_out is greater than six to avoid repeated flush markers due to
- avail_out == 0 on return.
-
- If the parameter flush is set to Z_FINISH, pending input is processed,
- pending output is flushed and deflate returns with Z_STREAM_END if there
- was enough output space; if deflate returns with Z_OK, this function must be
- called again with Z_FINISH and more output space (updated avail_out) but no
- more input data, until it returns with Z_STREAM_END or an error. After
- deflate has returned Z_STREAM_END, the only possible operations on the
- stream are deflateReset or deflateEnd.
-
- Z_FINISH can be used immediately after deflateInit if all the compression
- is to be done in a single step. In this case, avail_out must be at least
- the value returned by deflateBound (see below). If deflate does not return
- Z_STREAM_END, then it must be called again as described above.
-
- deflate() sets strm->adler to the adler32 checksum of all input read
- so far (that is, total_in bytes).
-
- deflate() may update strm->data_type if it can make a good guess about
- the input data type (Z_BINARY or Z_TEXT). In doubt, the data is considered
- binary. This field is only for information purposes and does not affect
- the compression algorithm in any manner.
-
- deflate() returns Z_OK if some progress has been made (more input
- processed or more output produced), Z_STREAM_END if all input has been
- consumed and all output has been produced (only when flush is set to
- Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example
- if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible
- (for example avail_in or avail_out was zero). Note that Z_BUF_ERROR is not
- fatal, and deflate() can be called again with more input and more output
- space to continue compressing.
-*/
-
-
-ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm));
-/*
- All dynamically allocated data structures for this stream are freed.
- This function discards any unprocessed input and does not flush any
- pending output.
-
- deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the
- stream state was inconsistent, Z_DATA_ERROR if the stream was freed
- prematurely (some input or output was discarded). In the error case,
- msg may be set but then points to a static string (which must not be
- deallocated).
-*/
-
-
-/*
-ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
-
- Initializes the internal stream state for decompression. The fields
- next_in, avail_in, zalloc, zfree and opaque must be initialized before by
- the caller. If next_in is not Z_NULL and avail_in is large enough (the exact
- value depends on the compression method), inflateInit determines the
- compression method from the zlib header and allocates all data structures
- accordingly; otherwise the allocation will be deferred to the first call of
- inflate. If zalloc and zfree are set to Z_NULL, inflateInit updates them to
- use default allocation functions.
-
- inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough
- memory, Z_VERSION_ERROR if the zlib library version is incompatible with the
- version assumed by the caller. msg is set to null if there is no error
- message. inflateInit does not perform any decompression apart from reading
- the zlib header if present: this will be done by inflate(). (So next_in and
- avail_in may be modified, but next_out and avail_out are unchanged.)
-*/
-
-
-ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
-/*
- inflate decompresses as much data as possible, and stops when the input
- buffer becomes empty or the output buffer becomes full. It may introduce
- some output latency (reading input without producing any output) except when
- forced to flush.
-
- The detailed semantics are as follows. inflate performs one or both of the
- following actions:
-
- - Decompress more input starting at next_in and update next_in and avail_in
- accordingly. If not all input can be processed (because there is not
- enough room in the output buffer), next_in is updated and processing
- will resume at this point for the next call of inflate().
-
- - Provide more output starting at next_out and update next_out and avail_out
- accordingly. inflate() provides as much output as possible, until there
- is no more input data or no more space in the output buffer (see below
- about the flush parameter).
-
- Before the call of inflate(), the application should ensure that at least
- one of the actions is possible, by providing more input and/or consuming
- more output, and updating the next_* and avail_* values accordingly.
- The application can consume the uncompressed output when it wants, for
- example when the output buffer is full (avail_out == 0), or after each
- call of inflate(). If inflate returns Z_OK and with zero avail_out, it
- must be called again after making room in the output buffer because there
- might be more output pending.
-
- The flush parameter of inflate() can be Z_NO_FLUSH, Z_SYNC_FLUSH,
- Z_FINISH, or Z_BLOCK. Z_SYNC_FLUSH requests that inflate() flush as much
- output as possible to the output buffer. Z_BLOCK requests that inflate() stop
- if and when it gets to the next deflate block boundary. When decoding the
- zlib or gzip format, this will cause inflate() to return immediately after
- the header and before the first block. When doing a raw inflate, inflate()
- will go ahead and process the first block, and will return when it gets to
- the end of that block, or when it runs out of data.
-
- The Z_BLOCK option assists in appending to or combining deflate streams.
- Also to assist in this, on return inflate() will set strm->data_type to the
- number of unused bits in the last byte taken from strm->next_in, plus 64
- if inflate() is currently decoding the last block in the deflate stream,
- plus 128 if inflate() returned immediately after decoding an end-of-block
- code or decoding the complete header up to just before the first byte of the
- deflate stream. The end-of-block will not be indicated until all of the
- uncompressed data from that block has been written to strm->next_out. The
- number of unused bits may in general be greater than seven, except when
- bit 7 of data_type is set, in which case the number of unused bits will be
- less than eight.
-
- inflate() should normally be called until it returns Z_STREAM_END or an
- error. However if all decompression is to be performed in a single step
- (a single call of inflate), the parameter flush should be set to
- Z_FINISH. In this case all pending input is processed and all pending
- output is flushed; avail_out must be large enough to hold all the
- uncompressed data. (The size of the uncompressed data may have been saved
- by the compressor for this purpose.) The next operation on this stream must
- be inflateEnd to deallocate the decompression state. The use of Z_FINISH
- is never required, but can be used to inform inflate that a faster approach
- may be used for the single inflate() call.
-
- In this implementation, inflate() always flushes as much output as
- possible to the output buffer, and always uses the faster approach on the
- first call. So the only effect of the flush parameter in this implementation
- is on the return value of inflate(), as noted below, or when it returns early
- because Z_BLOCK is used.
-
- If a preset dictionary is needed after this call (see inflateSetDictionary
- below), inflate sets strm->adler to the adler32 checksum of the dictionary
- chosen by the compressor and returns Z_NEED_DICT; otherwise it sets
- strm->adler to the adler32 checksum of all output produced so far (that is,
- total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described
- below. At the end of the stream, inflate() checks that its computed adler32
- checksum is equal to that saved by the compressor and returns Z_STREAM_END
- only if the checksum is correct.
-
- inflate() will decompress and check either zlib-wrapped or gzip-wrapped
- deflate data. The header type is detected automatically. Any information
- contained in the gzip header is not retained, so applications that need that
- information should instead use raw inflate, see inflateInit2() below, or
- inflateBack() and perform their own processing of the gzip header and
- trailer.
-
- inflate() returns Z_OK if some progress has been made (more input processed
- or more output produced), Z_STREAM_END if the end of the compressed data has
- been reached and all uncompressed output has been produced, Z_NEED_DICT if a
- preset dictionary is needed at this point, Z_DATA_ERROR if the input data was
- corrupted (input stream not conforming to the zlib format or incorrect check
- value), Z_STREAM_ERROR if the stream structure was inconsistent (for example
- if next_in or next_out was NULL), Z_MEM_ERROR if there was not enough memory,
- Z_BUF_ERROR if no progress is possible or if there was not enough room in the
- output buffer when Z_FINISH is used. Note that Z_BUF_ERROR is not fatal, and
- inflate() can be called again with more input and more output space to
- continue decompressing. If Z_DATA_ERROR is returned, the application may then
- call inflateSync() to look for a good compression block if a partial recovery
- of the data is desired.
-*/
-
-
-ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
-/*
- All dynamically allocated data structures for this stream are freed.
- This function discards any unprocessed input and does not flush any
- pending output.
-
- inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state
- was inconsistent. In the error case, msg may be set but then points to a
- static string (which must not be deallocated).
-*/
-
- /* Advanced functions */
-
-/*
- The following functions are needed only in some special applications.
-*/
-
-/*
-ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
- int level,
- int method,
- int windowBits,
- int memLevel,
- int strategy));
-
- This is another version of deflateInit with more compression options. The
- fields next_in, zalloc, zfree and opaque must be initialized before by
- the caller.
-
- The method parameter is the compression method. It must be Z_DEFLATED in
- this version of the library.
-
- The windowBits parameter is the base two logarithm of the window size
- (the size of the history buffer). It should be in the range 8..15 for this
- version of the library. Larger values of this parameter result in better
- compression at the expense of memory usage. The default value is 15 if
- deflateInit is used instead.
-
- windowBits can also be -8..-15 for raw deflate. In this case, -windowBits
- determines the window size. deflate() will then generate raw deflate data
- with no zlib header or trailer, and will not compute an adler32 check value.
-
- windowBits can also be greater than 15 for optional gzip encoding. Add
- 16 to windowBits to write a simple gzip header and trailer around the
- compressed data instead of a zlib wrapper. The gzip header will have no
- file name, no extra data, no comment, no modification time (set to zero),
- no header crc, and the operating system will be set to 255 (unknown). If a
- gzip stream is being written, strm->adler is a crc32 instead of an adler32.
-
- The memLevel parameter specifies how much memory should be allocated
- for the internal compression state. memLevel=1 uses minimum memory but
- is slow and reduces compression ratio; memLevel=9 uses maximum memory
- for optimal speed. The default value is 8. See zconf.h for total memory
- usage as a function of windowBits and memLevel.
-
- The strategy parameter is used to tune the compression algorithm. Use the
- value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a
- filter (or predictor), Z_HUFFMAN_ONLY to force Huffman encoding only (no
- string match), or Z_RLE to limit match distances to one (run-length
- encoding). Filtered data consists mostly of small values with a somewhat
- random distribution. In this case, the compression algorithm is tuned to
- compress them better. The effect of Z_FILTERED is to force more Huffman
- coding and less string matching; it is somewhat intermediate between
- Z_DEFAULT and Z_HUFFMAN_ONLY. Z_RLE is designed to be almost as fast as
- Z_HUFFMAN_ONLY, but give better compression for PNG image data. The strategy
- parameter only affects the compression ratio but not the correctness of the
- compressed output even if it is not set appropriately. Z_FIXED prevents the
- use of dynamic Huffman codes, allowing for a simpler decoder for special
- applications.
-
- deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
- memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid
- method). msg is set to null if there is no error message. deflateInit2 does
- not perform any compression: this will be done by deflate().
-*/
-
-ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm,
- const Bytef *dictionary,
- uInt dictLength));
-/*
- Initializes the compression dictionary from the given byte sequence
- without producing any compressed output. This function must be called
- immediately after deflateInit, deflateInit2 or deflateReset, before any
- call of deflate. The compressor and decompressor must use exactly the same
- dictionary (see inflateSetDictionary).
-
- The dictionary should consist of strings (byte sequences) that are likely
- to be encountered later in the data to be compressed, with the most commonly
- used strings preferably put towards the end of the dictionary. Using a
- dictionary is most useful when the data to be compressed is short and can be
- predicted with good accuracy; the data can then be compressed better than
- with the default empty dictionary.
-
- Depending on the size of the compression data structures selected by
- deflateInit or deflateInit2, a part of the dictionary may in effect be
- discarded, for example if the dictionary is larger than the window size in
- deflate or deflate2. Thus the strings most likely to be useful should be
- put at the end of the dictionary, not at the front. In addition, the
- current implementation of deflate will use at most the window size minus
- 262 bytes of the provided dictionary.
-
- Upon return of this function, strm->adler is set to the adler32 value
- of the dictionary; the decompressor may later use this value to determine
- which dictionary has been used by the compressor. (The adler32 value
- applies to the whole dictionary even if only a subset of the dictionary is
- actually used by the compressor.) If a raw deflate was requested, then the
- adler32 value is not computed and strm->adler is not set.
-
- deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a
- parameter is invalid (such as NULL dictionary) or the stream state is
- inconsistent (for example if deflate has already been called for this stream
- or if the compression method is bsort). deflateSetDictionary does not
- perform any compression: this will be done by deflate().
-*/
-
-ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest,
- z_streamp source));
-/*
- Sets the destination stream as a complete copy of the source stream.
-
- This function can be useful when several compression strategies will be
- tried, for example when there are several ways of pre-processing the input
- data with a filter. The streams that will be discarded should then be freed
- by calling deflateEnd. Note that deflateCopy duplicates the internal
- compression state which can be quite large, so this strategy is slow and
- can consume lots of memory.
-
- deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not
- enough memory, Z_STREAM_ERROR if the source stream state was inconsistent
- (such as zalloc being NULL). msg is left unchanged in both source and
- destination.
-*/
-
-ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm));
-/*
- This function is equivalent to deflateEnd followed by deflateInit,
- but does not free and reallocate all the internal compression state.
- The stream will keep the same compression level and any other attributes
- that may have been set by deflateInit2.
-
- deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
- stream state was inconsistent (such as zalloc or state being NULL).
-*/
-
-ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
- int level,
- int strategy));
-/*
- Dynamically update the compression level and compression strategy. The
- interpretation of level and strategy is as in deflateInit2. This can be
- used to switch between compression and straight copy of the input data, or
- to switch to a different kind of input data requiring a different
- strategy. If the compression level is changed, the input available so far
- is compressed with the old level (and may be flushed); the new level will
- take effect only at the next call of deflate().
-
- Before the call of deflateParams, the stream state must be set as for
- a call of deflate(), since the currently available input may have to
- be compressed and flushed. In particular, strm->avail_out must be non-zero.
-
- deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source
- stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR
- if strm->avail_out was zero.
-*/
-
-ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm,
- int good_length,
- int max_lazy,
- int nice_length,
- int max_chain));
-/*
- Fine tune deflate's internal compression parameters. This should only be
- used by someone who understands the algorithm used by zlib's deflate for
- searching for the best matching string, and even then only by the most
- fanatic optimizer trying to squeeze out the last compressed bit for their
- specific input data. Read the deflate.c source code for the meaning of the
- max_lazy, good_length, nice_length, and max_chain parameters.
-
- deflateTune() can be called after deflateInit() or deflateInit2(), and
- returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream.
- */
-
-ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm,
- uLong sourceLen));
-/*
- deflateBound() returns an upper bound on the compressed size after
- deflation of sourceLen bytes. It must be called after deflateInit()
- or deflateInit2(). This would be used to allocate an output buffer
- for deflation in a single pass, and so would be called before deflate().
-*/
-
-ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm,
- int bits,
- int value));
-/*
- deflatePrime() inserts bits in the deflate output stream. The intent
- is that this function is used to start off the deflate output with the
- bits leftover from a previous deflate stream when appending to it. As such,
- this function can only be used for raw deflate, and must be used before the
- first deflate() call after a deflateInit2() or deflateReset(). bits must be
- less than or equal to 16, and that many of the least significant bits of
- value will be inserted in the output.
-
- deflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source
- stream state was inconsistent.
-*/
-
-ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm,
- gz_headerp head));
-/*
- deflateSetHeader() provides gzip header information for when a gzip
- stream is requested by deflateInit2(). deflateSetHeader() may be called
- after deflateInit2() or deflateReset() and before the first call of
- deflate(). The text, time, os, extra field, name, and comment information
- in the provided gz_header structure are written to the gzip header (xflag is
- ignored -- the extra flags are set according to the compression level). The
- caller must assure that, if not Z_NULL, name and comment are terminated with
- a zero byte, and that if extra is not Z_NULL, that extra_len bytes are
- available there. If hcrc is true, a gzip header crc is included. Note that
- the current versions of the command-line version of gzip (up through version
- 1.3.x) do not support header crc's, and will report that it is a "multi-part
- gzip file" and give up.
-
- If deflateSetHeader is not used, the default gzip header has text false,
- the time set to zero, and os set to 255, with no extra, name, or comment
- fields. The gzip header is returned to the default state by deflateReset().
-
- deflateSetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source
- stream state was inconsistent.
-*/
-
-/*
-ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
- int windowBits));
-
- This is another version of inflateInit with an extra parameter. The
- fields next_in, avail_in, zalloc, zfree and opaque must be initialized
- before by the caller.
-
- The windowBits parameter is the base two logarithm of the maximum window
- size (the size of the history buffer). It should be in the range 8..15 for
- this version of the library. The default value is 15 if inflateInit is used
- instead. windowBits must be greater than or equal to the windowBits value
- provided to deflateInit2() while compressing, or it must be equal to 15 if
- deflateInit2() was not used. If a compressed stream with a larger window
- size is given as input, inflate() will return with the error code
- Z_DATA_ERROR instead of trying to allocate a larger window.
-
- windowBits can also be -8..-15 for raw inflate. In this case, -windowBits
- determines the window size. inflate() will then process raw deflate data,
- not looking for a zlib or gzip header, not generating a check value, and not
- looking for any check values for comparison at the end of the stream. This
- is for use with other formats that use the deflate compressed data format
- such as zip. Those formats provide their own check values. If a custom
- format is developed using the raw deflate format for compressed data, it is
- recommended that a check value such as an adler32 or a crc32 be applied to
- the uncompressed data as is done in the zlib, gzip, and zip formats. For
- most applications, the zlib format should be used as is. Note that comments
- above on the use in deflateInit2() applies to the magnitude of windowBits.
-
- windowBits can also be greater than 15 for optional gzip decoding. Add
- 32 to windowBits to enable zlib and gzip decoding with automatic header
- detection, or add 16 to decode only the gzip format (the zlib format will
- return a Z_DATA_ERROR). If a gzip stream is being decoded, strm->adler is
- a crc32 instead of an adler32.
-
- inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
- memory, Z_STREAM_ERROR if a parameter is invalid (such as a null strm). msg
- is set to null if there is no error message. inflateInit2 does not perform
- any decompression apart from reading the zlib header if present: this will
- be done by inflate(). (So next_in and avail_in may be modified, but next_out
- and avail_out are unchanged.)
-*/
-
-ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
- const Bytef *dictionary,
- uInt dictLength));
-/*
- Initializes the decompression dictionary from the given uncompressed byte
- sequence. This function must be called immediately after a call of inflate,
- if that call returned Z_NEED_DICT. The dictionary chosen by the compressor
- can be determined from the adler32 value returned by that call of inflate.
- The compressor and decompressor must use exactly the same dictionary (see
- deflateSetDictionary). For raw inflate, this function can be called
- immediately after inflateInit2() or inflateReset() and before any call of
- inflate() to set the dictionary. The application must insure that the
- dictionary that was used for compression is provided.
-
- inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a
- parameter is invalid (such as NULL dictionary) or the stream state is
- inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the
- expected one (incorrect adler32 value). inflateSetDictionary does not
- perform any decompression: this will be done by subsequent calls of
- inflate().
-*/
-
-ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm));
-/*
- Skips invalid compressed data until a full flush point (see above the
- description of deflate with Z_FULL_FLUSH) can be found, or until all
- available input is skipped. No output is provided.
-
- inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR
- if no more input was provided, Z_DATA_ERROR if no flush point has been found,
- or Z_STREAM_ERROR if the stream structure was inconsistent. In the success
- case, the application may save the current current value of total_in which
- indicates where valid compressed data was found. In the error case, the
- application may repeatedly call inflateSync, providing more input each time,
- until success or end of the input data.
-*/
-
-ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest,
- z_streamp source));
-/*
- Sets the destination stream as a complete copy of the source stream.
-
- This function can be useful when randomly accessing a large stream. The
- first pass through the stream can periodically record the inflate state,
- allowing restarting inflate at those points when randomly accessing the
- stream.
-
- inflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not
- enough memory, Z_STREAM_ERROR if the source stream state was inconsistent
- (such as zalloc being NULL). msg is left unchanged in both source and
- destination.
-*/
-
-ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm));
-/*
- This function is equivalent to inflateEnd followed by inflateInit,
- but does not free and reallocate all the internal decompression state.
- The stream will keep attributes that may have been set by inflateInit2.
-
- inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
- stream state was inconsistent (such as zalloc or state being NULL).
-*/
-
-ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm,
- int bits,
- int value));
-/*
- This function inserts bits in the inflate input stream. The intent is
- that this function is used to start inflating at a bit position in the
- middle of a byte. The provided bits will be used before any bytes are used
- from next_in. This function should only be used with raw inflate, and
- should be used before the first inflate() call after inflateInit2() or
- inflateReset(). bits must be less than or equal to 16, and that many of the
- least significant bits of value will be inserted in the input.
-
- inflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source
- stream state was inconsistent.
-*/
-
-ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm,
- gz_headerp head));
-/*
- inflateGetHeader() requests that gzip header information be stored in the
- provided gz_header structure. inflateGetHeader() may be called after
- inflateInit2() or inflateReset(), and before the first call of inflate().
- As inflate() processes the gzip stream, head->done is zero until the header
- is completed, at which time head->done is set to one. If a zlib stream is
- being decoded, then head->done is set to -1 to indicate that there will be
- no gzip header information forthcoming. Note that Z_BLOCK can be used to
- force inflate() to return immediately after header processing is complete
- and before any actual data is decompressed.
-
- The text, time, xflags, and os fields are filled in with the gzip header
- contents. hcrc is set to true if there is a header CRC. (The header CRC
- was valid if done is set to one.) If extra is not Z_NULL, then extra_max
- contains the maximum number of bytes to write to extra. Once done is true,
- extra_len contains the actual extra field length, and extra contains the
- extra field, or that field truncated if extra_max is less than extra_len.
- If name is not Z_NULL, then up to name_max characters are written there,
- terminated with a zero unless the length is greater than name_max. If
- comment is not Z_NULL, then up to comm_max characters are written there,
- terminated with a zero unless the length is greater than comm_max. When
- any of extra, name, or comment are not Z_NULL and the respective field is
- not present in the header, then that field is set to Z_NULL to signal its
- absence. This allows the use of deflateSetHeader() with the returned
- structure to duplicate the header. However if those fields are set to
- allocated memory, then the application will need to save those pointers
- elsewhere so that they can be eventually freed.
-
- If inflateGetHeader is not used, then the header information is simply
- discarded. The header is always checked for validity, including the header
- CRC if present. inflateReset() will reset the process to discard the header
- information. The application would need to call inflateGetHeader() again to
- retrieve the header from the next gzip stream.
-
- inflateGetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source
- stream state was inconsistent.
-*/
-
-/*
-ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits,
- unsigned char FAR *window));
-
- Initialize the internal stream state for decompression using inflateBack()
- calls. The fields zalloc, zfree and opaque in strm must be initialized
- before the call. If zalloc and zfree are Z_NULL, then the default library-
- derived memory allocation routines are used. windowBits is the base two
- logarithm of the window size, in the range 8..15. window is a caller
- supplied buffer of that size. Except for special applications where it is
- assured that deflate was used with small window sizes, windowBits must be 15
- and a 32K byte window must be supplied to be able to decompress general
- deflate streams.
-
- See inflateBack() for the usage of these routines.
-
- inflateBackInit will return Z_OK on success, Z_STREAM_ERROR if any of
- the paramaters are invalid, Z_MEM_ERROR if the internal state could not
- be allocated, or Z_VERSION_ERROR if the version of the library does not
- match the version of the header file.
-*/
-
-typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *));
-typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned));
-
-ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
- in_func in, void FAR *in_desc,
- out_func out, void FAR *out_desc));
-/*
- inflateBack() does a raw inflate with a single call using a call-back
- interface for input and output. This is more efficient than inflate() for
- file i/o applications in that it avoids copying between the output and the
- sliding window by simply making the window itself the output buffer. This
- function trusts the application to not change the output buffer passed by
- the output function, at least until inflateBack() returns.
-
- inflateBackInit() must be called first to allocate the internal state
- and to initialize the state with the user-provided window buffer.
- inflateBack() may then be used multiple times to inflate a complete, raw
- deflate stream with each call. inflateBackEnd() is then called to free
- the allocated state.
-
- A raw deflate stream is one with no zlib or gzip header or trailer.
- This routine would normally be used in a utility that reads zip or gzip
- files and writes out uncompressed files. The utility would decode the
- header and process the trailer on its own, hence this routine expects
- only the raw deflate stream to decompress. This is different from the
- normal behavior of inflate(), which expects either a zlib or gzip header and
- trailer around the deflate stream.
-
- inflateBack() uses two subroutines supplied by the caller that are then
- called by inflateBack() for input and output. inflateBack() calls those
- routines until it reads a complete deflate stream and writes out all of the
- uncompressed data, or until it encounters an error. The function's
- parameters and return types are defined above in the in_func and out_func
- typedefs. inflateBack() will call in(in_desc, &buf) which should return the
- number of bytes of provided input, and a pointer to that input in buf. If
- there is no input available, in() must return zero--buf is ignored in that
- case--and inflateBack() will return a buffer error. inflateBack() will call
- out(out_desc, buf, len) to write the uncompressed data buf[0..len-1]. out()
- should return zero on success, or non-zero on failure. If out() returns
- non-zero, inflateBack() will return with an error. Neither in() nor out()
- are permitted to change the contents of the window provided to
- inflateBackInit(), which is also the buffer that out() uses to write from.
- The length written by out() will be at most the window size. Any non-zero
- amount of input may be provided by in().
-
- For convenience, inflateBack() can be provided input on the first call by
- setting strm->next_in and strm->avail_in. If that input is exhausted, then
- in() will be called. Therefore strm->next_in must be initialized before
- calling inflateBack(). If strm->next_in is Z_NULL, then in() will be called
- immediately for input. If strm->next_in is not Z_NULL, then strm->avail_in
- must also be initialized, and then if strm->avail_in is not zero, input will
- initially be taken from strm->next_in[0 .. strm->avail_in - 1].
-
- The in_desc and out_desc parameters of inflateBack() is passed as the
- first parameter of in() and out() respectively when they are called. These
- descriptors can be optionally used to pass any information that the caller-
- supplied in() and out() functions need to do their job.
-
- On return, inflateBack() will set strm->next_in and strm->avail_in to
- pass back any unused input that was provided by the last in() call. The
- return values of inflateBack() can be Z_STREAM_END on success, Z_BUF_ERROR
- if in() or out() returned an error, Z_DATA_ERROR if there was a format
- error in the deflate stream (in which case strm->msg is set to indicate the
- nature of the error), or Z_STREAM_ERROR if the stream was not properly
- initialized. In the case of Z_BUF_ERROR, an input or output error can be
- distinguished using strm->next_in which will be Z_NULL only if in() returned
- an error. If strm->next is not Z_NULL, then the Z_BUF_ERROR was due to
- out() returning non-zero. (in() will always be called before out(), so
- strm->next_in is assured to be defined if out() returns non-zero.) Note
- that inflateBack() cannot return Z_OK.
-*/
-
-ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm));
-/*
- All memory allocated by inflateBackInit() is freed.
-
- inflateBackEnd() returns Z_OK on success, or Z_STREAM_ERROR if the stream
- state was inconsistent.
-*/
-
-ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void));
-/* Return flags indicating compile-time options.
-
- Type sizes, two bits each, 00 = 16 bits, 01 = 32, 10 = 64, 11 = other:
- 1.0: size of uInt
- 3.2: size of uLong
- 5.4: size of voidpf (pointer)
- 7.6: size of z_off_t
-
- Compiler, assembler, and debug options:
- 8: DEBUG
- 9: ASMV or ASMINF -- use ASM code
- 10: ZLIB_WINAPI -- exported functions use the WINAPI calling convention
- 11: 0 (reserved)
-
- One-time table building (smaller code, but not thread-safe if true):
- 12: BUILDFIXED -- build static block decoding tables when needed
- 13: DYNAMIC_CRC_TABLE -- build CRC calculation tables when needed
- 14,15: 0 (reserved)
-
- Library content (indicates missing functionality):
- 16: NO_GZCOMPRESS -- gz* functions cannot compress (to avoid linking
- deflate code when not needed)
- 17: NO_GZIP -- deflate can't write gzip streams, and inflate can't detect
- and decode gzip streams (to avoid linking crc code)
- 18-19: 0 (reserved)
-
- Operation variations (changes in library functionality):
- 20: PKZIP_BUG_WORKAROUND -- slightly more permissive inflate
- 21: FASTEST -- deflate algorithm with only one, lowest compression level
- 22,23: 0 (reserved)
-
- The sprintf variant used by gzprintf (zero is best):
- 24: 0 = vs*, 1 = s* -- 1 means limited to 20 arguments after the format
- 25: 0 = *nprintf, 1 = *printf -- 1 means gzprintf() not secure!
- 26: 0 = returns value, 1 = void -- 1 means inferred string length returned
-
- Remainder:
- 27-31: 0 (reserved)
- */
-
-
- /* utility functions */
-
-/*
- The following utility functions are implemented on top of the
- basic stream-oriented functions. To simplify the interface, some
- default options are assumed (compression level and memory usage,
- standard memory allocation functions). The source code of these
- utility functions can easily be modified if you need special options.
-*/
-
-ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen,
- const Bytef *source, uLong sourceLen));
-/*
- Compresses the source buffer into the destination buffer. sourceLen is
- the byte length of the source buffer. Upon entry, destLen is the total
- size of the destination buffer, which must be at least the value returned
- by compressBound(sourceLen). Upon exit, destLen is the actual size of the
- compressed buffer.
- This function can be used to compress a whole file at once if the
- input file is mmap'ed.
- compress returns Z_OK if success, Z_MEM_ERROR if there was not
- enough memory, Z_BUF_ERROR if there was not enough room in the output
- buffer.
-*/
-
-ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen,
- const Bytef *source, uLong sourceLen,
- int level));
-/*
- Compresses the source buffer into the destination buffer. The level
- parameter has the same meaning as in deflateInit. sourceLen is the byte
- length of the source buffer. Upon entry, destLen is the total size of the
- destination buffer, which must be at least the value returned by
- compressBound(sourceLen). Upon exit, destLen is the actual size of the
- compressed buffer.
-
- compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
- memory, Z_BUF_ERROR if there was not enough room in the output buffer,
- Z_STREAM_ERROR if the level parameter is invalid.
-*/
-
-ZEXTERN uLong ZEXPORT compressBound OF((uLong sourceLen));
-/*
- compressBound() returns an upper bound on the compressed size after
- compress() or compress2() on sourceLen bytes. It would be used before
- a compress() or compress2() call to allocate the destination buffer.
-*/
-
-ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,
- const Bytef *source, uLong sourceLen));
-/*
- Decompresses the source buffer into the destination buffer. sourceLen is
- the byte length of the source buffer. Upon entry, destLen is the total
- size of the destination buffer, which must be large enough to hold the
- entire uncompressed data. (The size of the uncompressed data must have
- been saved previously by the compressor and transmitted to the decompressor
- by some mechanism outside the scope of this compression library.)
- Upon exit, destLen is the actual size of the compressed buffer.
- This function can be used to decompress a whole file at once if the
- input file is mmap'ed.
-
- uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
- enough memory, Z_BUF_ERROR if there was not enough room in the output
- buffer, or Z_DATA_ERROR if the input data was corrupted or incomplete.
-*/
-
-
-typedef voidp gzFile;
-
-ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
-/*
- Opens a gzip (.gz) file for reading or writing. The mode parameter
- is as in fopen ("rb" or "wb") but can also include a compression level
- ("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for
- Huffman only compression as in "wb1h", or 'R' for run-length encoding
- as in "wb1R". (See the description of deflateInit2 for more information
- about the strategy parameter.)
-
- gzopen can be used to read a file which is not in gzip format; in this
- case gzread will directly read from the file without decompression.
-
- gzopen returns NULL if the file could not be opened or if there was
- insufficient memory to allocate the (de)compression state; errno
- can be checked to distinguish the two cases (if errno is zero, the
- zlib error is Z_MEM_ERROR). */
-
-ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode));
-/*
- gzdopen() associates a gzFile with the file descriptor fd. File
- descriptors are obtained from calls like open, dup, creat, pipe or
- fileno (in the file has been previously opened with fopen).
- The mode parameter is as in gzopen.
- The next call of gzclose on the returned gzFile will also close the
- file descriptor fd, just like fclose(fdopen(fd), mode) closes the file
- descriptor fd. If you want to keep fd open, use gzdopen(dup(fd), mode).
- gzdopen returns NULL if there was insufficient memory to allocate
- the (de)compression state.
-*/
-
-ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy));
-/*
- Dynamically update the compression level or strategy. See the description
- of deflateInit2 for the meaning of these parameters.
- gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not
- opened for writing.
-*/
-
-ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
-/*
- Reads the given number of uncompressed bytes from the compressed file.
- If the input file was not in gzip format, gzread copies the given number
- of bytes into the buffer.
- gzread returns the number of uncompressed bytes actually read (0 for
- end of file, -1 for error). */
-
-ZEXTERN int ZEXPORT gzwrite OF((gzFile file,
- voidpc buf, unsigned len));
-/*
- Writes the given number of uncompressed bytes into the compressed file.
- gzwrite returns the number of uncompressed bytes actually written
- (0 in case of error).
-*/
-
-ZEXTERN int ZEXPORTVA gzprintf OF((gzFile file, const char *format, ...));
-/*
- Converts, formats, and writes the args to the compressed file under
- control of the format string, as in fprintf. gzprintf returns the number of
- uncompressed bytes actually written (0 in case of error). The number of
- uncompressed bytes written is limited to 4095. The caller should assure that
- this limit is not exceeded. If it is exceeded, then gzprintf() will return
- return an error (0) with nothing written. In this case, there may also be a
- buffer overflow with unpredictable consequences, which is possible only if
- zlib was compiled with the insecure functions sprintf() or vsprintf()
- because the secure snprintf() or vsnprintf() functions were not available.
-*/
-
-ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
-/*
- Writes the given null-terminated string to the compressed file, excluding
- the terminating null character.
- gzputs returns the number of characters written, or -1 in case of error.
-*/
-
-ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len));
-/*
- Reads bytes from the compressed file until len-1 characters are read, or
- a newline character is read and transferred to buf, or an end-of-file
- condition is encountered. The string is then terminated with a null
- character.
- gzgets returns buf, or Z_NULL in case of error.
-*/
-
-ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c));
-/*
- Writes c, converted to an unsigned char, into the compressed file.
- gzputc returns the value that was written, or -1 in case of error.
-*/
-
-ZEXTERN int ZEXPORT gzgetc OF((gzFile file));
-/*
- Reads one byte from the compressed file. gzgetc returns this byte
- or -1 in case of end of file or error.
-*/
-
-ZEXTERN int ZEXPORT gzungetc OF((int c, gzFile file));
-/*
- Push one character back onto the stream to be read again later.
- Only one character of push-back is allowed. gzungetc() returns the
- character pushed, or -1 on failure. gzungetc() will fail if a
- character has been pushed but not read yet, or if c is -1. The pushed
- character will be discarded if the stream is repositioned with gzseek()
- or gzrewind().
-*/
-
-ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
-/*
- Flushes all pending output into the compressed file. The parameter
- flush is as in the deflate() function. The return value is the zlib
- error number (see function gzerror below). gzflush returns Z_OK if
- the flush parameter is Z_FINISH and all output could be flushed.
- gzflush should be called only when strictly necessary because it can
- degrade compression.
-*/
-
-ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file,
- z_off_t offset, int whence));
-/*
- Sets the starting position for the next gzread or gzwrite on the
- given compressed file. The offset represents a number of bytes in the
- uncompressed data stream. The whence parameter is defined as in lseek(2);
- the value SEEK_END is not supported.
- If the file is opened for reading, this function is emulated but can be
- extremely slow. If the file is opened for writing, only forward seeks are
- supported; gzseek then compresses a sequence of zeroes up to the new
- starting position.
-
- gzseek returns the resulting offset location as measured in bytes from
- the beginning of the uncompressed stream, or -1 in case of error, in
- particular if the file is opened for writing and the new starting position
- would be before the current position.
-*/
-
-ZEXTERN int ZEXPORT gzrewind OF((gzFile file));
-/*
- Rewinds the given file. This function is supported only for reading.
-
- gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET)
-*/
-
-ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file));
-/*
- Returns the starting position for the next gzread or gzwrite on the
- given compressed file. This position represents a number of bytes in the
- uncompressed data stream.
-
- gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR)
-*/
-
-ZEXTERN int ZEXPORT gzeof OF((gzFile file));
-/*
- Returns 1 when EOF has previously been detected reading the given
- input stream, otherwise zero.
-*/
-
-ZEXTERN int ZEXPORT gzdirect OF((gzFile file));
-/*
- Returns 1 if file is being read directly without decompression, otherwise
- zero.
-*/
-
-ZEXTERN int ZEXPORT gzclose OF((gzFile file));
-/*
- Flushes all pending output if necessary, closes the compressed file
- and deallocates all the (de)compression state. The return value is the zlib
- error number (see function gzerror below).
-*/
-
-ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
-/*
- Returns the error message for the last error which occurred on the
- given compressed file. errnum is set to zlib error number. If an
- error occurred in the file system and not in the compression library,
- errnum is set to Z_ERRNO and the application may consult errno
- to get the exact error code.
-*/
-
-ZEXTERN void ZEXPORT gzclearerr OF((gzFile file));
-/*
- Clears the error and end-of-file flags for file. This is analogous to the
- clearerr() function in stdio. This is useful for continuing to read a gzip
- file that is being written concurrently.
-*/
-
- /* checksum functions */
-
-/*
- These functions are not related to compression but are exported
- anyway because they might be useful in applications using the
- compression library.
-*/
-
-ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
-/*
- Update a running Adler-32 checksum with the bytes buf[0..len-1] and
- return the updated checksum. If buf is NULL, this function returns
- the required initial value for the checksum.
- An Adler-32 checksum is almost as reliable as a CRC32 but can be computed
- much faster. Usage example:
-
- uLong adler = adler32(0L, Z_NULL, 0);
-
- while (read_buffer(buffer, length) != EOF) {
- adler = adler32(adler, buffer, length);
- }
- if (adler != original_adler) error();
-*/
-
-ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2,
- z_off_t len2));
-/*
- Combine two Adler-32 checksums into one. For two sequences of bytes, seq1
- and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for
- each, adler1 and adler2. adler32_combine() returns the Adler-32 checksum of
- seq1 and seq2 concatenated, requiring only adler1, adler2, and len2.
-*/
-
-ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
-/*
- Update a running CRC-32 with the bytes buf[0..len-1] and return the
- updated CRC-32. If buf is NULL, this function returns the required initial
- value for the for the crc. Pre- and post-conditioning (one's complement) is
- performed within this function so it shouldn't be done by the application.
- Usage example:
-
- uLong crc = crc32(0L, Z_NULL, 0);
-
- while (read_buffer(buffer, length) != EOF) {
- crc = crc32(crc, buffer, length);
- }
- if (crc != original_crc) error();
-*/
-
-ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
-
-/*
- Combine two CRC-32 check values into one. For two sequences of bytes,
- seq1 and seq2 with lengths len1 and len2, CRC-32 check values were
- calculated for each, crc1 and crc2. crc32_combine() returns the CRC-32
- check value of seq1 and seq2 concatenated, requiring only crc1, crc2, and
- len2.
-*/
-
-
- /* various hacks, don't look :) */
-
-/* deflateInit and inflateInit are macros to allow checking the zlib version
- * and the compiler's view of z_stream:
- */
-ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level,
- const char *version, int stream_size));
-ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
- const char *version, int stream_size));
-ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method,
- int windowBits, int memLevel,
- int strategy, const char *version,
- int stream_size));
-ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits,
- const char *version, int stream_size));
-ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
- unsigned char FAR *window,
- const char *version,
- int stream_size));
-#define deflateInit(strm, level) \
- deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream))
-#define inflateInit(strm) \
- inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream))
-#define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \
- deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\
- (strategy), ZLIB_VERSION, sizeof(z_stream))
-#define inflateInit2(strm, windowBits) \
- inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
-#define inflateBackInit(strm, windowBits, window) \
- inflateBackInit_((strm), (windowBits), (window), \
- ZLIB_VERSION, sizeof(z_stream))
-
-
-#if !defined(ZUTIL_H) && !defined(NO_DUMMY_DECL)
- struct internal_state {int dummy;}; /* hack for buggy compilers */
-#endif
-
-ZEXTERN const char * ZEXPORT zError OF((int));
-ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp z));
-ZEXTERN const uLongf * ZEXPORT get_crc_table OF((void));
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ZLIB_H */
+++ /dev/null
-/* zutil.c -- target dependent utility functions for the compression library
- * Copyright (C) 1995-2005 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* @(#) $Id$ */
-
-#include "zutil.h"
-
-#ifndef NO_DUMMY_DECL
-struct internal_state {int dummy;}; /* for buggy compilers */
-#endif
-
-const char * const z_errmsg[10] = {
-"need dictionary", /* Z_NEED_DICT 2 */
-"stream end", /* Z_STREAM_END 1 */
-"", /* Z_OK 0 */
-"file error", /* Z_ERRNO (-1) */
-"stream error", /* Z_STREAM_ERROR (-2) */
-"data error", /* Z_DATA_ERROR (-3) */
-"insufficient memory", /* Z_MEM_ERROR (-4) */
-"buffer error", /* Z_BUF_ERROR (-5) */
-"incompatible version",/* Z_VERSION_ERROR (-6) */
-""};
-
-
-const char * ZEXPORT zlibVersion()
-{
- return ZLIB_VERSION;
-}
-
-uLong ZEXPORT zlibCompileFlags()
-{
- uLong flags;
-
- flags = 0;
- switch (sizeof(uInt)) {
- case 2: break;
- case 4: flags += 1; break;
- case 8: flags += 2; break;
- default: flags += 3;
- }
- switch (sizeof(uLong)) {
- case 2: break;
- case 4: flags += 1 << 2; break;
- case 8: flags += 2 << 2; break;
- default: flags += 3 << 2;
- }
- switch (sizeof(voidpf)) {
- case 2: break;
- case 4: flags += 1 << 4; break;
- case 8: flags += 2 << 4; break;
- default: flags += 3 << 4;
- }
- switch (sizeof(z_off_t)) {
- case 2: break;
- case 4: flags += 1 << 6; break;
- case 8: flags += 2 << 6; break;
- default: flags += 3 << 6;
- }
-#ifdef DEBUG
- flags += 1 << 8;
-#endif
-#if defined(ASMV) || defined(ASMINF)
- flags += 1 << 9;
-#endif
-#ifdef ZLIB_WINAPI
- flags += 1 << 10;
-#endif
-#ifdef BUILDFIXED
- flags += 1 << 12;
-#endif
-#ifdef DYNAMIC_CRC_TABLE
- flags += 1 << 13;
-#endif
-#ifdef NO_GZCOMPRESS
- flags += 1L << 16;
-#endif
-#ifdef NO_GZIP
- flags += 1L << 17;
-#endif
-#ifdef PKZIP_BUG_WORKAROUND
- flags += 1L << 20;
-#endif
-#ifdef FASTEST
- flags += 1L << 21;
-#endif
-#ifdef STDC
-# ifdef NO_vsnprintf
- flags += 1L << 25;
-# ifdef HAS_vsprintf_void
- flags += 1L << 26;
-# endif
-# else
-# ifdef HAS_vsnprintf_void
- flags += 1L << 26;
-# endif
-# endif
-#else
- flags += 1L << 24;
-# ifdef NO_snprintf
- flags += 1L << 25;
-# ifdef HAS_sprintf_void
- flags += 1L << 26;
-# endif
-# else
-# ifdef HAS_snprintf_void
- flags += 1L << 26;
-# endif
-# endif
-#endif
- return flags;
-}
-
-#ifdef DEBUG
-
-# ifndef verbose
-# define verbose 0
-# endif
-int z_verbose = verbose;
-
-void z_error (m)
- char *m;
-{
- fprintf(stderr, "%s\n", m);
- exit(1);
-}
-#endif
-
-/* exported to allow conversion of error code to string for compress() and
- * uncompress()
- */
-const char * ZEXPORT zError(err)
- int err;
-{
- return ERR_MSG(err);
-}
-
-#if defined(_WIN32_WCE)
- /* The Microsoft C Run-Time Library for Windows CE doesn't have
- * errno. We define it as a global variable to simplify porting.
- * Its value is always 0 and should not be used.
- */
- int errno = 0;
-#endif
-
-#ifndef HAVE_MEMCPY
-
-void zmemcpy(dest, source, len)
- Bytef* dest;
- const Bytef* source;
- uInt len;
-{
- if (len == 0) return;
- do {
- *dest++ = *source++; /* ??? to be unrolled */
- } while (--len != 0);
-}
-
-int zmemcmp(s1, s2, len)
- const Bytef* s1;
- const Bytef* s2;
- uInt len;
-{
- uInt j;
-
- for (j = 0; j < len; j++) {
- if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1;
- }
- return 0;
-}
-
-void zmemzero(dest, len)
- Bytef* dest;
- uInt len;
-{
- if (len == 0) return;
- do {
- *dest++ = 0; /* ??? to be unrolled */
- } while (--len != 0);
-}
-#endif
-
-
-#ifdef SYS16BIT
-
-#ifdef __TURBOC__
-/* Turbo C in 16-bit mode */
-
-# define MY_ZCALLOC
-
-/* Turbo C malloc() does not allow dynamic allocation of 64K bytes
- * and farmalloc(64K) returns a pointer with an offset of 8, so we
- * must fix the pointer. Warning: the pointer must be put back to its
- * original form in order to free it, use zcfree().
- */
-
-#define MAX_PTR 10
-/* 10*64K = 640K */
-
-local int next_ptr = 0;
-
-typedef struct ptr_table_s {
- voidpf org_ptr;
- voidpf new_ptr;
-} ptr_table;
-
-local ptr_table table[MAX_PTR];
-/* This table is used to remember the original form of pointers
- * to large buffers (64K). Such pointers are normalized with a zero offset.
- * Since MSDOS is not a preemptive multitasking OS, this table is not
- * protected from concurrent access. This hack doesn't work anyway on
- * a protected system like OS/2. Use Microsoft C instead.
- */
-
-voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
-{
- voidpf buf = opaque; /* just to make some compilers happy */
- ulg bsize = (ulg)items*size;
-
- /* If we allocate less than 65520 bytes, we assume that farmalloc
- * will return a usable pointer which doesn't have to be normalized.
- */
- if (bsize < 65520L) {
- buf = farmalloc(bsize);
- if (*(ush*)&buf != 0) return buf;
- } else {
- buf = farmalloc(bsize + 16L);
- }
- if (buf == NULL || next_ptr >= MAX_PTR) return NULL;
- table[next_ptr].org_ptr = buf;
-
- /* Normalize the pointer to seg:0 */
- *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4;
- *(ush*)&buf = 0;
- table[next_ptr++].new_ptr = buf;
- return buf;
-}
-
-void zcfree (voidpf opaque, voidpf ptr)
-{
- int n;
- if (*(ush*)&ptr != 0) { /* object < 64K */
- farfree(ptr);
- return;
- }
- /* Find the original pointer */
- for (n = 0; n < next_ptr; n++) {
- if (ptr != table[n].new_ptr) continue;
-
- farfree(table[n].org_ptr);
- while (++n < next_ptr) {
- table[n-1] = table[n];
- }
- next_ptr--;
- return;
- }
- ptr = opaque; /* just to make some compilers happy */
- Assert(0, "zcfree: ptr not found");
-}
-
-#endif /* __TURBOC__ */
-
-
-#ifdef M_I86
-/* Microsoft C in 16-bit mode */
-
-# define MY_ZCALLOC
-
-#if (!defined(_MSC_VER) || (_MSC_VER <= 600))
-# define _halloc halloc
-# define _hfree hfree
-#endif
-
-voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
-{
- if (opaque) opaque = 0; /* to make compiler happy */
- return _halloc((long)items, size);
-}
-
-void zcfree (voidpf opaque, voidpf ptr)
-{
- if (opaque) opaque = 0; /* to make compiler happy */
- _hfree(ptr);
-}
-
-#endif /* M_I86 */
-
-#endif /* SYS16BIT */
-
-
-#ifndef MY_ZCALLOC /* Any system without a special alloc function */
-
-#ifndef STDC
-extern voidp malloc OF((uInt size));
-extern voidp calloc OF((uInt items, uInt size));
-extern void free OF((voidpf ptr));
-#endif
-
-voidpf zcalloc (opaque, items, size)
- voidpf opaque;
- unsigned items;
- unsigned size;
-{
- if (opaque) items += size - size; /* make compiler happy */
- return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
- (voidpf)calloc(items, size);
-}
-
-void zcfree (opaque, ptr)
- voidpf opaque;
- voidpf ptr;
-{
- free(ptr);
- if (opaque) return; /* make compiler happy */
-}
-
-#endif /* MY_ZCALLOC */
+++ /dev/null
-/* zutil.h -- internal interface and configuration of the compression library
- * Copyright (C) 1995-2005 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-/* WARNING: this file should *not* be used by applications. It is
- part of the implementation of the compression library and is
- subject to change. Applications should only use zlib.h.
- */
-
-/* @(#) $Id$ */
-
-#ifndef ZUTIL_H
-#define ZUTIL_H
-
-#define ZLIB_INTERNAL
-#include "zlib.h"
-
-#ifdef STDC
-# ifndef _WIN32_WCE
-# include <stddef.h>
-# endif
-# include <string.h>
-# include <stdlib.h>
-#endif
-#ifdef NO_ERRNO_H
-# ifdef _WIN32_WCE
- /* The Microsoft C Run-Time Library for Windows CE doesn't have
- * errno. We define it as a global variable to simplify porting.
- * Its value is always 0 and should not be used. We rename it to
- * avoid conflict with other libraries that use the same workaround.
- */
-# define errno z_errno
-# endif
- extern int errno;
-#else
-# ifndef _WIN32_WCE
-# include <errno.h>
-# endif
-#endif
-
-#ifndef local
-# define local static
-#endif
-/* compile with -Dlocal if your debugger can't find static symbols */
-
-typedef unsigned char uch;
-typedef uch FAR uchf;
-typedef unsigned short ush;
-typedef ush FAR ushf;
-typedef unsigned long ulg;
-
-extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
-/* (size given to avoid silly warnings with Visual C++) */
-
-#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
-
-#define ERR_RETURN(strm,err) \
- return (strm->msg = (char*)ERR_MSG(err), (err))
-/* To be used only when the state is known to be valid */
-
- /* common constants */
-
-#ifndef DEF_WBITS
-# define DEF_WBITS MAX_WBITS
-#endif
-/* default windowBits for decompression. MAX_WBITS is for compression only */
-
-#if MAX_MEM_LEVEL >= 8
-# define DEF_MEM_LEVEL 8
-#else
-# define DEF_MEM_LEVEL MAX_MEM_LEVEL
-#endif
-/* default memLevel */
-
-#define STORED_BLOCK 0
-#define STATIC_TREES 1
-#define DYN_TREES 2
-/* The three kinds of block type */
-
-#define MIN_MATCH 3
-#define MAX_MATCH 258
-/* The minimum and maximum match lengths */
-
-#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
-
- /* target dependencies */
-
-#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
-# define OS_CODE 0x00
-# if defined(__TURBOC__) || defined(__BORLANDC__)
-# if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
- /* Allow compilation with ANSI keywords only enabled */
- void _Cdecl farfree( void *block );
- void *_Cdecl farmalloc( unsigned long nbytes );
-# else
-# include <alloc.h>
-# endif
-# else /* MSC or DJGPP */
-# include <malloc.h>
-# endif
-#endif
-
-#ifdef AMIGA
-# define OS_CODE 0x01
-#endif
-
-#if defined(VAXC) || defined(VMS)
-# define OS_CODE 0x02
-# define F_OPEN(name, mode) \
- fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
-#endif
-
-#if defined(ATARI) || defined(atarist)
-# define OS_CODE 0x05
-#endif
-
-#ifdef OS2
-# define OS_CODE 0x06
-# ifdef M_I86
- #include <malloc.h>
-# endif
-#endif
-
-#if defined(MACOS) || defined(TARGET_OS_MAC)
-# define OS_CODE 0x07
-# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
-# include <unix.h> /* for fdopen */
-# else
-# ifndef fdopen
-# define fdopen(fd,mode) NULL /* No fdopen() */
-# endif
-# endif
-#endif
-
-#ifdef TOPS20
-# define OS_CODE 0x0a
-#endif
-
-#ifdef WIN32
-# ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
-# define OS_CODE 0x0b
-# endif
-#endif
-
-#ifdef __50SERIES /* Prime/PRIMOS */
-# define OS_CODE 0x0f
-#endif
-
-#if defined(_BEOS_) || defined(RISCOS)
-# define fdopen(fd,mode) NULL /* No fdopen() */
-#endif
-
-#if (defined(_MSC_VER) && (_MSC_VER > 600))
-# if defined(_WIN32_WCE)
-# define fdopen(fd,mode) NULL /* No fdopen() */
-# ifndef _PTRDIFF_T_DEFINED
- typedef int ptrdiff_t;
-# define _PTRDIFF_T_DEFINED
-# endif
-# else
-# define fdopen(fd,type) _fdopen(fd,type)
-# endif
-#endif
-
- /* common defaults */
-
-#ifndef OS_CODE
-# define OS_CODE 0x03 /* assume Unix */
-#endif
-
-#ifndef F_OPEN
-# define F_OPEN(name, mode) fopen((name), (mode))
-#endif
-
- /* functions */
-
-#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
-# ifndef HAVE_VSNPRINTF
-# define HAVE_VSNPRINTF
-# endif
-#endif
-#if defined(__CYGWIN__)
-# ifndef HAVE_VSNPRINTF
-# define HAVE_VSNPRINTF
-# endif
-#endif
-#ifndef HAVE_VSNPRINTF
-# ifdef MSDOS
- /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
- but for now we just assume it doesn't. */
-# define NO_vsnprintf
-# endif
-# ifdef __TURBOC__
-# define NO_vsnprintf
-# endif
-# ifdef WIN32
- /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
-# if !defined(vsnprintf) && !defined(NO_vsnprintf)
-# define vsnprintf _vsnprintf
-# endif
-# endif
-# ifdef __SASC
-# define NO_vsnprintf
-# endif
-#endif
-#ifdef VMS
-# define NO_vsnprintf
-#endif
-
-#if defined(pyr)
-# define NO_MEMCPY
-#endif
-#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
- /* Use our own functions for small and medium model with MSC <= 5.0.
- * You may have to use the same strategy for Borland C (untested).
- * The __SC__ check is for Symantec.
- */
-# define NO_MEMCPY
-#endif
-#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
-# define HAVE_MEMCPY
-#endif
-#ifdef HAVE_MEMCPY
-# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
-# define zmemcpy _fmemcpy
-# define zmemcmp _fmemcmp
-# define zmemzero(dest, len) _fmemset(dest, 0, len)
-# else
-# define zmemcpy memcpy
-# define zmemcmp memcmp
-# define zmemzero(dest, len) memset(dest, 0, len)
-# endif
-#else
- extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
- extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
- extern void zmemzero OF((Bytef* dest, uInt len));
-#endif
-
-/* Diagnostic functions */
-#ifdef DEBUG
-# include <stdio.h>
- extern int z_verbose;
- extern void z_error OF((char *m));
-# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
-# define Trace(x) {if (z_verbose>=0) fprintf x ;}
-# define Tracev(x) {if (z_verbose>0) fprintf x ;}
-# define Tracevv(x) {if (z_verbose>1) fprintf x ;}
-# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
-# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
-#else
-# define Assert(cond,msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
-#endif
-
-
-voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
-void zcfree OF((voidpf opaque, voidpf ptr));
-
-#define ZALLOC(strm, items, size) \
- (*((strm)->zalloc))((strm)->opaque, (items), (size))
-#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
-#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
-
-#endif /* ZUTIL_H */
cp ..\..\vktrace\$dPath\vkreplay.exe .\r
cp ..\..\vktrace\$dPath\vktrace.exe .\r
cp ..\..\demos\$dPath\cube.exe .\r
-cp ..\..\demos\*.png .\r
+cp ..\..\demos\*.ppm .\r
cp ..\..\demos\*.spv .\r
cp ..\..\loader\$dPath\vulkan-0.dll .\r
cp ..\..\layers\$dPath\VKLayerScreenShot.dll .\r
#include <limits.h>
#include <math.h>
#include <wand/MagickWand.h>
+#ifndef _WIN32
#include <xcb/xcb.h>
+#endif
#include "vk_ext_khr_swapchain.h"
#include "vk_ext_khr_device_swapchain.h"
std::list<VkTestImageRecord>::iterator m_display_image;
void Display();
+#ifndef _WIN32
void HandleEvent(xcb_generic_event_t *event);
+#endif
};
#ifndef _WIN32
ASSERT_TRUE(file.is_open()) << "Unable to open file: " << filename;
file << "P6\n";
- file << displayImage.width() << "\n";
+ file << displayImage.width() << " ";
file << displayImage.height() << "\n";
file << 255 << "\n";
cp ../../vktrace/vktrace .
cp ../../vktrace/libvktrace_layer.so .
cp ../../demos/cube .
-cp ../../demos/*png .
+cp ../../demos/*ppm .
cp ../../demos/*spv .
export LD_LIBRARY_PATH=`pwd`/../loader:$LD_LIBRARY_PATH
export VK_LAYER_PATH=`pwd`/../../layers
projects / platform / upstream / Vulkan-LoaderAndValidationLayers.git / commitdiff
