# - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c
# ################################################################
-RELEASE=r113
+export RELEASE=r114
+LIBVER_MAJOR=1
+LIBVER_MINOR=0
+LIBVER_PATCH=0
+LIBVER=$(LIBVER_MAJOR).$(LIBVER_MINOR).$(LIBVER_PATCH)
+
DESTDIR=
PREFIX=/usr
-CC=gcc
-CFLAGS+= -I. -std=c99 -Wall -W -Wundef -DLZ4_VERSION=\"$(RELEASE)\"
+CC:=$(CC)
+CFLAGS+= -I. -std=c99 -O3 -Wall -W -Wundef -DLZ4_VERSION=\"$(RELEASE)\"
LIBDIR=$(PREFIX)/lib
INCLUDEDIR=$(PREFIX)/include
default: liblz4
- @cd $(PRGDIR); make
+ @cd $(PRGDIR); $(MAKE) -e
all: liblz4 lz4programs
liblz4: liblz4.a liblz4.so
lz4programs: lz4.c lz4hc.c
- @cd $(PRGDIR); make all
+ @cd $(PRGDIR); $(MAKE) -e all
liblz4.a: lz4.c lz4hc.c
- $(CC) -O3 -c $(CFLAGS) $^
+ $(CC) $(CFLAGS) -c $^
ar rcs liblz4.a lz4.o lz4hc.o
liblz4.so: lz4.c lz4hc.c
- $(CC) -shared -fPIC -Wl,--soname=liblz4.so.1 $(CFLAGS) $^ -o $@
+ $(CC) $(CFLAGS) -shared $^ -fPIC -Wl,-soname=liblz4.so.$(LIBVER_MAJOR) -o $@.$(LIBVER)
+ @ln -s $@.$(LIBVER) $@.$(LIBVER_MAJOR)
+ @ln -s $@.$(LIBVER) $@
clean:
- @rm -f core *.o *.a *.so $(DISTRIBNAME)
+ @rm -f core *.o *.a *.so *.so.* $(DISTRIBNAME)
@cd $(PRGDIR); make clean
@echo Cleaning completed
-#ifeq ($(shell uname),Linux)
+#make install option is reserved to Linux & OSX targets
ifneq (,$(filter $(shell uname),Linux Darwin))
install: liblz4
@install -d -m 755 $(DESTDIR)$(LIBDIR)/ $(DESTDIR)$(INCLUDEDIR)/
@install -m 755 liblz4.a $(DESTDIR)$(LIBDIR)/liblz4.a
+ @install -m 755 liblz4.so.$(LIBVER) $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER)
+ @install -m 755 liblz4.so.$(LIBVER_MAJOR) $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER_MAJOR)
@install -m 755 liblz4.so $(DESTDIR)$(LIBDIR)/liblz4.so
@install -m 755 lz4.h $(DESTDIR)$(INCLUDEDIR)/lz4.h
@install -m 755 lz4hc.h $(DESTDIR)$(INCLUDEDIR)/lz4hc.h
uninstall:
[ -x $(DESTDIR)$(LIBDIR)/liblz4.a ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.a
+ [ -x $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER) ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER)
+ [ -x $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER_MAJOR) ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER_MAJOR)
[ -x $(DESTDIR)$(LIBDIR)/liblz4.so ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.so
[ -f $(DESTDIR)$(INCLUDEDIR)/lz4.h ] && rm -f $(DESTDIR)$(INCLUDEDIR)/lz4.h
[ -f $(DESTDIR)$(INCLUDEDIR)/lz4hc.h ] && rm -f $(DESTDIR)$(INCLUDEDIR)/lz4hc.h
+r114:
+Makefile : library correctly compiled with -O3 switch (issue 114)
+Makefile : library compilation compatible with clang
+Makefile : library is versioned and linked (issue 119)
+lz4.h : no more static inline prototypes (issue 116)
+man : improved header/footer (issue 111)
+Makefile : Use system default $(CC) & $(MAKE) variables (issue 112)
+xxhash : updated to r34
+
r113:
Large decompression speed improvement for GCC 32-bits. Thanks to Valery Croizier !
LZ4HC : Compression Level is now a programmable parameter (CLI from 4 to 9)
/****************************
Compression functions
****************************/
+int LZ4_compressBound(int isize) { return LZ4_COMPRESSBOUND(isize); }
+
FORCE_INLINE int LZ4_hashSequence(U32 sequence, tableType_t tableType)
{
if (tableType == byU16)
/****************************
Decompression functions
****************************/
-
/*
* This generic decompression function cover all use cases.
* It shall be instanciated several times, using different sets of directives
#endif
}
+int LZ4_uncompress (const char* source, char* dest, int outputSize) { return LZ4_decompress_fast(source, dest, outputSize); }
+int LZ4_uncompress_unknownOutputSize (const char* source, char* dest, int isize, int maxOutputSize) { return LZ4_decompress_safe(source, dest, isize, maxOutputSize); }
-/*\r
- LZ4 - Fast LZ compression algorithm\r
- Header File\r
- Copyright (C) 2011-2013, Yann Collet.\r
- BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)\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
-\r
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
- 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
- You can contact the author at :\r
- - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html\r
- - LZ4 source repository : http://code.google.com/p/lz4/\r
-*/\r
-#pragma once\r
-\r
-#if defined (__cplusplus)\r
-extern "C" {\r
-#endif\r
-\r
-\r
+/*
+ LZ4 - Fast LZ compression algorithm
+ Header File
+ Copyright (C) 2011-2013, Yann Collet.
+ BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following disclaimer
+ in the documentation and/or other materials provided with the
+ distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ You can contact the author at :
+ - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
+ - LZ4 source repository : http://code.google.com/p/lz4/
+*/
+#pragma once
+
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+
/**************************************
Version
**************************************/
#define LZ4_VERSION_MAJOR 1 /* for major interface/format changes */
#define LZ4_VERSION_MINOR 1 /* for minor interface/format changes */
#define LZ4_VERSION_RELEASE 3 /* for tweaks, bug-fixes, or development */
-\r
-\r
-/**************************************\r
- Compiler Options\r
-**************************************/\r
-#if (defined(__GNUC__) && defined(__STRICT_ANSI__)) || (defined(_MSC_VER) && !defined(__cplusplus)) /* Visual Studio */\r
-# define inline __inline /* Visual C is not C99, but supports some kind of inline */\r
-#endif\r
-\r
-\r
-/**************************************\r
- Simple Functions\r
-**************************************/\r
-\r
-int LZ4_compress (const char* source, char* dest, int inputSize);\r
-int LZ4_decompress_safe (const char* source, char* dest, int inputSize, int maxOutputSize);\r
-\r
-/*\r
-LZ4_compress() :\r
- Compresses 'inputSize' bytes from 'source' into 'dest'.\r
- Destination buffer must be already allocated,\r
- and must be sized to handle worst cases situations (input data not compressible)\r
- Worst case size evaluation is provided by function LZ4_compressBound()\r
- inputSize : Max supported value is LZ4_MAX_INPUT_VALUE\r
- return : the number of bytes written in buffer dest\r
- or 0 if the compression fails\r
-\r
-LZ4_decompress_safe() :\r
- maxOutputSize : is the size of the destination buffer (which must be already allocated)\r
- return : the number of bytes decoded in the destination buffer (necessarily <= maxOutputSize)\r
- If the source stream is detected malformed, the function will stop decoding and return a negative result.\r
- This function is protected against buffer overflow exploits (never writes outside of output buffer, and never reads outside of input buffer). Therefore, it is protected against malicious data packets\r
-*/\r
-\r
-\r
-/**************************************\r
- Advanced Functions\r
-**************************************/\r
-#define LZ4_MAX_INPUT_SIZE 0x7E000000 /* 2 113 929 216 bytes */\r
-#define LZ4_COMPRESSBOUND(isize) ((unsigned int)(isize) > (unsigned int)LZ4_MAX_INPUT_SIZE ? 0 : (isize) + ((isize)/255) + 16)\r
-static inline int LZ4_compressBound(int isize) { return LZ4_COMPRESSBOUND(isize); }\r
-\r
-/*\r
-LZ4_compressBound() :\r
- Provides the maximum size that LZ4 may output in a "worst case" scenario (input data not compressible)\r
- primarily useful for memory allocation of output buffer.\r
- inline function is recommended for the general case,\r
- macro is also provided when result needs to be evaluated at compilation (such as stack memory allocation).\r
-\r
- isize : is the input size. Max supported value is LZ4_MAX_INPUT_SIZE\r
- return : maximum output size in a "worst case" scenario\r
- or 0, if input size is too large ( > LZ4_MAX_INPUT_SIZE)\r
-*/\r
-\r
-\r
-int LZ4_compress_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize);\r
-\r
-/*\r
-LZ4_compress_limitedOutput() :\r
- Compress 'inputSize' bytes from 'source' into an output buffer 'dest' of maximum size 'maxOutputSize'.\r
- If it cannot achieve it, compression will stop, and result of the function will be zero.\r
- This function never writes outside of provided output buffer.\r
-\r
- inputSize : Max supported value is LZ4_MAX_INPUT_VALUE\r
- maxOutputSize : is the size of the destination buffer (which must be already allocated)\r
- return : the number of bytes written in buffer 'dest'\r
- or 0 if the compression fails\r
-*/\r
-\r
-\r
-int LZ4_decompress_fast (const char* source, char* dest, int outputSize);\r
-\r
-/*\r
-LZ4_decompress_fast() :\r
- outputSize : is the original (uncompressed) size\r
- return : the number of bytes read from the source buffer (in other words, the compressed size)\r
- If the source stream is malformed, the function will stop decoding and return a negative result.\r
- note : This function is a bit faster than LZ4_decompress_safe()\r
- This function never writes outside of output buffers, but may read beyond input buffer in case of malicious data packet.\r
- Use this function preferably into a trusted environment (data to decode comes from a trusted source).\r
- Destination buffer must be already allocated. Its size must be a minimum of 'outputSize' bytes.\r
-*/\r
-\r
-int LZ4_decompress_safe_partial (const char* source, char* dest, int inputSize, int targetOutputSize, int maxOutputSize);\r
-\r
-/*\r
-LZ4_decompress_safe_partial() :\r
- This function decompress a compressed block of size 'inputSize' at position 'source'\r
- into output buffer 'dest' of size 'maxOutputSize'.\r
- The function tries to stop decompressing operation as soon as 'targetOutputSize' has been reached,\r
- reducing decompression time.\r
- return : the number of bytes decoded in the destination buffer (necessarily <= maxOutputSize)\r
- Note : this number can be < 'targetOutputSize' should the compressed block to decode be smaller.\r
- Always control how many bytes were decoded.\r
- If the source stream is detected malformed, the function will stop decoding and return a negative result.\r
- This function never writes outside of output buffer, and never reads outside of input buffer. It is therefore protected against malicious data packets\r
-*/\r
-\r
-\r
-int LZ4_sizeofState();\r
-int LZ4_compress_withState (void* state, const char* source, char* dest, int inputSize);\r
-int LZ4_compress_limitedOutput_withState (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);\r
-\r
-/*\r
-These functions are provided should you prefer to allocate memory for compression tables with your own allocation methods.\r
-To know how much memory must be allocated for the compression tables, use :\r
-int LZ4_sizeofState();\r
-\r
-Note that tables must be aligned on 4-bytes boundaries, otherwise compression will fail (return code 0).\r
-\r
-The allocated memory can be provided to the compressions functions using 'void* state' parameter.\r
-LZ4_compress_withState() and LZ4_compress_limitedOutput_withState() are equivalent to previously described functions.\r
-They just use the externally allocated memory area instead of allocating their own (on stack, or on heap).\r
-*/\r
-\r
-\r
-/**************************************\r
- Streaming Functions\r
-**************************************/\r
-void* LZ4_create (const char* inputBuffer);\r
-int LZ4_compress_continue (void* LZ4_Data, const char* source, char* dest, int inputSize);\r
-int LZ4_compress_limitedOutput_continue (void* LZ4_Data, const char* source, char* dest, int inputSize, int maxOutputSize);\r
-char* LZ4_slideInputBuffer (void* LZ4_Data);\r
-int LZ4_free (void* LZ4_Data);\r
-\r
-/*\r
-These functions allow the compression of dependent blocks, where each block benefits from prior 64 KB within preceding blocks.\r
-In order to achieve this, it is necessary to start creating the LZ4 Data Structure, thanks to the function :\r
-\r
-void* LZ4_create (const char* inputBuffer);\r
-The result of the function is the (void*) pointer on the LZ4 Data Structure.\r
-This pointer will be needed in all other functions.\r
-If the pointer returned is NULL, then the allocation has failed, and compression must be aborted.\r
-The only parameter 'const char* inputBuffer' must, obviously, point at the beginning of input buffer.\r
-The input buffer must be already allocated, and size at least 192KB.\r
-'inputBuffer' will also be the 'const char* source' of the first block.\r
-\r
-All blocks are expected to lay next to each other within the input buffer, starting from 'inputBuffer'.\r
-To compress each block, use either LZ4_compress_continue() or LZ4_compress_limitedOutput_continue().\r
-Their behavior are identical to LZ4_compress() or LZ4_compress_limitedOutput(),\r
-but require the LZ4 Data Structure as their first argument, and check that each block starts right after the previous one.\r
-If next block does not begin immediately after the previous one, the compression will fail (return 0).\r
-\r
-When it's no longer possible to lay the next block after the previous one (not enough space left into input buffer), a call to :\r
-char* LZ4_slideInputBuffer(void* LZ4_Data);\r
-must be performed. It will typically copy the latest 64KB of input at the beginning of input buffer.\r
-Note that, for this function to work properly, minimum size of an input buffer must be 192KB.\r
-==> The memory position where the next input data block must start is provided as the result of the function.\r
-\r
-Compression can then resume, using LZ4_compress_continue() or LZ4_compress_limitedOutput_continue(), as usual.\r
-\r
-When compression is completed, a call to LZ4_free() will release the memory used by the LZ4 Data Structure.\r
-*/\r
-\r
-int LZ4_sizeofStreamState();\r
-int LZ4_resetStreamState(void* state, const char* inputBuffer);\r
-\r
-/*\r
-These functions achieve the same result as :\r
-void* LZ4_create (const char* inputBuffer);\r
-\r
-They are provided here to allow the user program to allocate memory using its own routines.\r
-\r
-To know how much space must be allocated, use LZ4_sizeofStreamState();\r
-Note also that space must be 4-bytes aligned.\r
-\r
-Once space is allocated, you must initialize it using : LZ4_resetStreamState(void* state, const char* inputBuffer);\r
-void* state is a pointer to the space allocated.\r
-It must be aligned on 4-bytes boundaries, and be large enough.\r
-The parameter 'const char* inputBuffer' must, obviously, point at the beginning of input buffer.\r
-The input buffer must be already allocated, and size at least 192KB.\r
-'inputBuffer' will also be the 'const char* source' of the first block.\r
-\r
-The same space can be re-used multiple times, just by initializing it each time with LZ4_resetStreamState().\r
-return value of LZ4_resetStreamState() must be 0 is OK.\r
-Any other value means there was an error (typically, pointer is not aligned on 4-bytes boundaries).\r
-*/\r
-\r
-\r
-int LZ4_decompress_safe_withPrefix64k (const char* source, char* dest, int inputSize, int maxOutputSize);\r
-int LZ4_decompress_fast_withPrefix64k (const char* source, char* dest, int outputSize);\r
-\r
-/*\r
-*_withPrefix64k() :\r
- These decoding functions work the same as their "normal name" versions,\r
- but can use up to 64KB of data in front of 'char* dest'.\r
- These functions are necessary to decode inter-dependant blocks.\r
-*/\r
-\r
-\r
-/**************************************\r
- Obsolete Functions\r
-**************************************/\r
-/*\r
-These functions are deprecated and should no longer be used.\r
-They are provided here for compatibility with existing user programs.\r
-*/\r
-static inline int LZ4_uncompress (const char* source, char* dest, int outputSize) { return LZ4_decompress_fast(source, dest, outputSize); }\r
-static inline int LZ4_uncompress_unknownOutputSize (const char* source, char* dest, int isize, int maxOutputSize) { return LZ4_decompress_safe(source, dest, isize, maxOutputSize); }\r
-\r
-\r
-\r
-#if defined (__cplusplus)\r
-}\r
-#endif\r
+
+
+/**************************************
+ Compiler Options
+**************************************/
+#if (defined(__GNUC__) && defined(__STRICT_ANSI__)) || (defined(_MSC_VER) && !defined(__cplusplus)) /* Visual Studio */
+# define inline __inline /* Visual C is not C99, but supports some kind of inline */
+#endif
+
+
+/**************************************
+ Simple Functions
+**************************************/
+
+int LZ4_compress (const char* source, char* dest, int inputSize);
+int LZ4_decompress_safe (const char* source, char* dest, int inputSize, int maxOutputSize);
+
+/*
+LZ4_compress() :
+ Compresses 'inputSize' bytes from 'source' into 'dest'.
+ Destination buffer must be already allocated,
+ and must be sized to handle worst cases situations (input data not compressible)
+ Worst case size evaluation is provided by function LZ4_compressBound()
+ inputSize : Max supported value is LZ4_MAX_INPUT_VALUE
+ return : the number of bytes written in buffer dest
+ or 0 if the compression fails
+
+LZ4_decompress_safe() :
+ maxOutputSize : is the size of the destination buffer (which must be already allocated)
+ return : the number of bytes decoded in the destination buffer (necessarily <= maxOutputSize)
+ If the source stream is detected malformed, the function will stop decoding and return a negative result.
+ This function is protected against buffer overflow exploits (never writes outside of output buffer, and never reads outside of input buffer). Therefore, it is protected against malicious data packets
+*/
+
+
+/**************************************
+ Advanced Functions
+**************************************/
+#define LZ4_MAX_INPUT_SIZE 0x7E000000 /* 2 113 929 216 bytes */
+#define LZ4_COMPRESSBOUND(isize) ((unsigned int)(isize) > (unsigned int)LZ4_MAX_INPUT_SIZE ? 0 : (isize) + ((isize)/255) + 16)
+
+/*
+LZ4_compressBound() :
+ Provides the maximum size that LZ4 may output in a "worst case" scenario (input data not compressible)
+ primarily useful for memory allocation of output buffer.
+ inline function is recommended for the general case,
+ macro is also provided when result needs to be evaluated at compilation (such as stack memory allocation).
+
+ isize : is the input size. Max supported value is LZ4_MAX_INPUT_SIZE
+ return : maximum output size in a "worst case" scenario
+ or 0, if input size is too large ( > LZ4_MAX_INPUT_SIZE)
+*/
+int LZ4_compressBound(int isize);
+
+
+/*
+LZ4_compress_limitedOutput() :
+ Compress 'inputSize' bytes from 'source' into an output buffer 'dest' of maximum size 'maxOutputSize'.
+ If it cannot achieve it, compression will stop, and result of the function will be zero.
+ This function never writes outside of provided output buffer.
+
+ inputSize : Max supported value is LZ4_MAX_INPUT_VALUE
+ maxOutputSize : is the size of the destination buffer (which must be already allocated)
+ return : the number of bytes written in buffer 'dest'
+ or 0 if the compression fails
+*/
+int LZ4_compress_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize);
+
+
+/*
+LZ4_decompress_fast() :
+ originalSize : is the original and therefore uncompressed size
+ return : the number of bytes read from the source buffer (in other words, the compressed size)
+ If the source stream is malformed, the function will stop decoding and return a negative result.
+ note : This function is a bit faster than LZ4_decompress_safe()
+ This function never writes outside of output buffers, but may read beyond input buffer in case of malicious data packet.
+ Use this function preferably into a trusted environment (data to decode comes from a trusted source).
+ Destination buffer must be already allocated. Its size must be a minimum of 'outputSize' bytes.
+*/
+int LZ4_decompress_fast (const char* source, char* dest, int originalSize);
+
+
+/*
+LZ4_decompress_safe_partial() :
+ This function decompress a compressed block of size 'inputSize' at position 'source'
+ into output buffer 'dest' of size 'maxOutputSize'.
+ The function tries to stop decompressing operation as soon as 'targetOutputSize' has been reached,
+ reducing decompression time.
+ return : the number of bytes decoded in the destination buffer (necessarily <= maxOutputSize)
+ Note : this number can be < 'targetOutputSize' should the compressed block to decode be smaller.
+ Always control how many bytes were decoded.
+ If the source stream is detected malformed, the function will stop decoding and return a negative result.
+ This function never writes outside of output buffer, and never reads outside of input buffer. It is therefore protected against malicious data packets
+*/
+int LZ4_decompress_safe_partial (const char* source, char* dest, int inputSize, int targetOutputSize, int maxOutputSize);
+
+
+/*
+These functions are provided should you prefer to allocate memory for compression tables with your own allocation methods.
+To know how much memory must be allocated for the compression tables, use :
+int LZ4_sizeofState();
+
+Note that tables must be aligned on 4-bytes boundaries, otherwise compression will fail (return code 0).
+
+The allocated memory can be provided to the compressions functions using 'void* state' parameter.
+LZ4_compress_withState() and LZ4_compress_limitedOutput_withState() are equivalent to previously described functions.
+They just use the externally allocated memory area instead of allocating their own (on stack, or on heap).
+*/
+int LZ4_sizeofState(void);
+int LZ4_compress_withState (void* state, const char* source, char* dest, int inputSize);
+int LZ4_compress_limitedOutput_withState (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);
+
+
+/**************************************
+ Streaming Functions
+**************************************/
+void* LZ4_create (const char* inputBuffer);
+int LZ4_compress_continue (void* LZ4_Data, const char* source, char* dest, int inputSize);
+int LZ4_compress_limitedOutput_continue (void* LZ4_Data, const char* source, char* dest, int inputSize, int maxOutputSize);
+char* LZ4_slideInputBuffer (void* LZ4_Data);
+int LZ4_free (void* LZ4_Data);
+
+/*
+These functions allow the compression of dependent blocks, where each block benefits from prior 64 KB within preceding blocks.
+In order to achieve this, it is necessary to start creating the LZ4 Data Structure, thanks to the function :
+
+void* LZ4_create (const char* inputBuffer);
+The result of the function is the (void*) pointer on the LZ4 Data Structure.
+This pointer will be needed in all other functions.
+If the pointer returned is NULL, then the allocation has failed, and compression must be aborted.
+The only parameter 'const char* inputBuffer' must, obviously, point at the beginning of input buffer.
+The input buffer must be already allocated, and size at least 192KB.
+'inputBuffer' will also be the 'const char* source' of the first block.
+
+All blocks are expected to lay next to each other within the input buffer, starting from 'inputBuffer'.
+To compress each block, use either LZ4_compress_continue() or LZ4_compress_limitedOutput_continue().
+Their behavior are identical to LZ4_compress() or LZ4_compress_limitedOutput(),
+but require the LZ4 Data Structure as their first argument, and check that each block starts right after the previous one.
+If next block does not begin immediately after the previous one, the compression will fail (return 0).
+
+When it's no longer possible to lay the next block after the previous one (not enough space left into input buffer), a call to :
+char* LZ4_slideInputBuffer(void* LZ4_Data);
+must be performed. It will typically copy the latest 64KB of input at the beginning of input buffer.
+Note that, for this function to work properly, minimum size of an input buffer must be 192KB.
+==> The memory position where the next input data block must start is provided as the result of the function.
+
+Compression can then resume, using LZ4_compress_continue() or LZ4_compress_limitedOutput_continue(), as usual.
+
+When compression is completed, a call to LZ4_free() will release the memory used by the LZ4 Data Structure.
+*/
+
+
+int LZ4_sizeofStreamState(void);
+int LZ4_resetStreamState(void* state, const char* inputBuffer);
+
+/*
+These functions achieve the same result as :
+void* LZ4_create (const char* inputBuffer);
+
+They are provided here to allow the user program to allocate memory using its own routines.
+
+To know how much space must be allocated, use LZ4_sizeofStreamState();
+Note also that space must be 4-bytes aligned.
+
+Once space is allocated, you must initialize it using : LZ4_resetStreamState(void* state, const char* inputBuffer);
+void* state is a pointer to the space allocated.
+It must be aligned on 4-bytes boundaries, and be large enough.
+The parameter 'const char* inputBuffer' must, obviously, point at the beginning of input buffer.
+The input buffer must be already allocated, and size at least 192KB.
+'inputBuffer' will also be the 'const char* source' of the first block.
+
+The same space can be re-used multiple times, just by initializing it each time with LZ4_resetStreamState().
+return value of LZ4_resetStreamState() must be 0 is OK.
+Any other value means there was an error (typically, pointer is not aligned on 4-bytes boundaries).
+*/
+
+
+int LZ4_decompress_safe_withPrefix64k (const char* source, char* dest, int inputSize, int maxOutputSize);
+int LZ4_decompress_fast_withPrefix64k (const char* source, char* dest, int outputSize);
+
+/*
+*_withPrefix64k() :
+ These decoding functions work the same as their "normal name" versions,
+ but can use up to 64KB of data in front of 'char* dest'.
+ These functions are necessary to decode inter-dependant blocks.
+*/
+
+
+/**************************************
+ Obsolete Functions
+**************************************/
+/*
+These functions are deprecated and should no longer be used.
+They are provided here for compatibility with existing user programs.
+*/
+int LZ4_uncompress (const char* source, char* dest, int outputSize);
+int LZ4_uncompress_unknownOutputSize (const char* source, char* dest, int isize, int maxOutputSize);
+
+
+#if defined (__cplusplus)
+}
+#endif
-/*\r
- LZ4 HC - High Compression Mode of LZ4\r
- Header File\r
- Copyright (C) 2011-2013, Yann Collet.\r
- BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)\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
-\r
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
- 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
- You can contact the author at :\r
- - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html\r
- - LZ4 source repository : http://code.google.com/p/lz4/\r
-*/\r
-#pragma once\r
-\r
-\r
-#if defined (__cplusplus)\r
-extern "C" {\r
-#endif\r
-\r
-\r
-int LZ4_compressHC (const char* source, char* dest, int inputSize);\r
-/*\r
-LZ4_compressHC :\r
- return : the number of bytes in compressed buffer dest\r
- or 0 if compression fails.\r
- note : destination buffer must be already allocated.\r
- To avoid any problem, size it to handle worst cases situations (input data not compressible)\r
- Worst case size evaluation is provided by function LZ4_compressBound() (see "lz4.h")\r
-*/\r
-\r
-int LZ4_compressHC_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize);\r
-/*\r
-LZ4_compress_limitedOutput() :\r
- Compress 'inputSize' bytes from 'source' into an output buffer 'dest' of maximum size 'maxOutputSize'.\r
- If it cannot achieve it, compression will stop, and result of the function will be zero.\r
- This function never writes outside of provided output buffer.\r
-\r
- inputSize : Max supported value is 1 GB\r
- maxOutputSize : is maximum allowed size into the destination buffer (which must be already allocated)\r
- return : the number of output bytes written in buffer 'dest'\r
- or 0 if compression fails.\r
-*/\r
-\r
-\r
-int LZ4_compressHC2 (const char* source, char* dest, int inputSize, int compressionLevel);\r
-int LZ4_compressHC2_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);\r
-/*\r
- Same functions as above, but with programmable 'compressionLevel'.\r
- Recommended values are between 4 and 9, although any value between 0 and 16 will work.\r
- 'compressionLevel'==0 means use default 'compressionLevel' value.\r
- Values above 16 behave the same as 16.\r
- Equivalent variants exist for all other compression functions below.\r
-*/\r
-\r
-/* Note :\r
-Decompression functions are provided within LZ4 source code (see "lz4.h") (BSD license)\r
-*/\r
-\r
-\r
-/**************************************\r
- Using an external allocation\r
-**************************************/\r
-int LZ4_sizeofStateHC();\r
-int LZ4_compressHC_withStateHC (void* state, const char* source, char* dest, int inputSize);\r
-int LZ4_compressHC_limitedOutput_withStateHC (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);\r
-\r
-int LZ4_compressHC2_withStateHC (void* state, const char* source, char* dest, int inputSize, int compressionLevel);\r
-int LZ4_compressHC2_limitedOutput_withStateHC(void* state, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);\r
-\r
-/*\r
-These functions are provided should you prefer to allocate memory for compression tables with your own allocation methods.\r
-To know how much memory must be allocated for the compression tables, use :\r
-int LZ4_sizeofStateHC();\r
-\r
-Note that tables must be aligned for pointer (32 or 64 bits), otherwise compression will fail (return code 0).\r
-\r
-The allocated memory can be provided to the compressions functions using 'void* state' parameter.\r
-LZ4_compress_withStateHC() and LZ4_compress_limitedOutput_withStateHC() are equivalent to previously described functions.\r
-They just use the externally allocated memory area instead of allocating their own (on stack, or on heap).\r
-*/\r
-\r
-\r
-/**************************************\r
- Streaming Functions\r
-**************************************/\r
-void* LZ4_createHC (const char* inputBuffer);\r
-int LZ4_compressHC_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize);\r
-int LZ4_compressHC_limitedOutput_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int maxOutputSize);\r
-char* LZ4_slideInputBufferHC (void* LZ4HC_Data);\r
-int LZ4_freeHC (void* LZ4HC_Data);\r
-\r
-int LZ4_compressHC2_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int compressionLevel);\r
-int LZ4_compressHC2_limitedOutput_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);\r
-\r
-/*\r
-These functions allow the compression of dependent blocks, where each block benefits from prior 64 KB within preceding blocks.\r
-In order to achieve this, it is necessary to start creating the LZ4HC Data Structure, thanks to the function :\r
-\r
-void* LZ4_createHC (const char* inputBuffer);\r
-The result of the function is the (void*) pointer on the LZ4HC Data Structure.\r
-This pointer will be needed in all other functions.\r
-If the pointer returned is NULL, then the allocation has failed, and compression must be aborted.\r
-The only parameter 'const char* inputBuffer' must, obviously, point at the beginning of input buffer.\r
-The input buffer must be already allocated, and size at least 192KB.\r
-'inputBuffer' will also be the 'const char* source' of the first block.\r
-\r
-All blocks are expected to lay next to each other within the input buffer, starting from 'inputBuffer'.\r
-To compress each block, use either LZ4_compressHC_continue() or LZ4_compressHC_limitedOutput_continue().\r
-Their behavior are identical to LZ4_compressHC() or LZ4_compressHC_limitedOutput(),\r
-but require the LZ4HC Data Structure as their first argument, and check that each block starts right after the previous one.\r
-If next block does not begin immediately after the previous one, the compression will fail (return 0).\r
-\r
-When it's no longer possible to lay the next block after the previous one (not enough space left into input buffer), a call to :\r
-char* LZ4_slideInputBufferHC(void* LZ4HC_Data);\r
-must be performed. It will typically copy the latest 64KB of input at the beginning of input buffer.\r
-Note that, for this function to work properly, minimum size of an input buffer must be 192KB.\r
-==> The memory position where the next input data block must start is provided as the result of the function.\r
-\r
-Compression can then resume, using LZ4_compressHC_continue() or LZ4_compressHC_limitedOutput_continue(), as usual.\r
-\r
-When compression is completed, a call to LZ4_freeHC() will release the memory used by the LZ4HC Data Structure.\r
-*/\r
-\r
-int LZ4_sizeofStreamStateHC();\r
-int LZ4_resetStreamStateHC(void* state, const char* inputBuffer);\r
-\r
-/*\r
-These functions achieve the same result as :\r
-void* LZ4_createHC (const char* inputBuffer);\r
-\r
-They are provided here to allow the user program to allocate memory using its own routines.\r
-\r
-To know how much space must be allocated, use LZ4_sizeofStreamStateHC();\r
-Note also that space must be aligned for pointers (32 or 64 bits).\r
-\r
-Once space is allocated, you must initialize it using : LZ4_resetStreamStateHC(void* state, const char* inputBuffer);\r
-void* state is a pointer to the space allocated.\r
-It must be aligned for pointers (32 or 64 bits), and be large enough.\r
-The parameter 'const char* inputBuffer' must, obviously, point at the beginning of input buffer.\r
-The input buffer must be already allocated, and size at least 192KB.\r
-'inputBuffer' will also be the 'const char* source' of the first block.\r
-\r
-The same space can be re-used multiple times, just by initializing it each time with LZ4_resetStreamState().\r
-return value of LZ4_resetStreamStateHC() must be 0 is OK.\r
-Any other value means there was an error (typically, state is not aligned for pointers (32 or 64 bits)).\r
-*/\r
-\r
-\r
-#if defined (__cplusplus)\r
-}\r
-#endif\r
+/*
+ LZ4 HC - High Compression Mode of LZ4
+ Header File
+ Copyright (C) 2011-2013, Yann Collet.
+ BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following disclaimer
+ in the documentation and/or other materials provided with the
+ distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ You can contact the author at :
+ - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
+ - LZ4 source repository : http://code.google.com/p/lz4/
+*/
+#pragma once
+
+
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+
+int LZ4_compressHC (const char* source, char* dest, int inputSize);
+/*
+LZ4_compressHC :
+ return : the number of bytes in compressed buffer dest
+ or 0 if compression fails.
+ note : destination buffer must be already allocated.
+ To avoid any problem, size it to handle worst cases situations (input data not compressible)
+ Worst case size evaluation is provided by function LZ4_compressBound() (see "lz4.h")
+*/
+
+int LZ4_compressHC_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize);
+/*
+LZ4_compress_limitedOutput() :
+ Compress 'inputSize' bytes from 'source' into an output buffer 'dest' of maximum size 'maxOutputSize'.
+ If it cannot achieve it, compression will stop, and result of the function will be zero.
+ This function never writes outside of provided output buffer.
+
+ inputSize : Max supported value is 1 GB
+ maxOutputSize : is maximum allowed size into the destination buffer (which must be already allocated)
+ return : the number of output bytes written in buffer 'dest'
+ or 0 if compression fails.
+*/
+
+
+int LZ4_compressHC2 (const char* source, char* dest, int inputSize, int compressionLevel);
+int LZ4_compressHC2_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
+/*
+ Same functions as above, but with programmable 'compressionLevel'.
+ Recommended values are between 4 and 9, although any value between 0 and 16 will work.
+ 'compressionLevel'==0 means use default 'compressionLevel' value.
+ Values above 16 behave the same as 16.
+ Equivalent variants exist for all other compression functions below.
+*/
+
+/* Note :
+Decompression functions are provided within LZ4 source code (see "lz4.h") (BSD license)
+*/
+
+
+/**************************************
+ Using an external allocation
+**************************************/
+int LZ4_sizeofStateHC(void);
+int LZ4_compressHC_withStateHC (void* state, const char* source, char* dest, int inputSize);
+int LZ4_compressHC_limitedOutput_withStateHC (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);
+
+int LZ4_compressHC2_withStateHC (void* state, const char* source, char* dest, int inputSize, int compressionLevel);
+int LZ4_compressHC2_limitedOutput_withStateHC(void* state, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
+
+/*
+These functions are provided should you prefer to allocate memory for compression tables with your own allocation methods.
+To know how much memory must be allocated for the compression tables, use :
+int LZ4_sizeofStateHC();
+
+Note that tables must be aligned for pointer (32 or 64 bits), otherwise compression will fail (return code 0).
+
+The allocated memory can be provided to the compressions functions using 'void* state' parameter.
+LZ4_compress_withStateHC() and LZ4_compress_limitedOutput_withStateHC() are equivalent to previously described functions.
+They just use the externally allocated memory area instead of allocating their own (on stack, or on heap).
+*/
+
+
+/**************************************
+ Streaming Functions
+**************************************/
+void* LZ4_createHC (const char* inputBuffer);
+int LZ4_compressHC_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize);
+int LZ4_compressHC_limitedOutput_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int maxOutputSize);
+char* LZ4_slideInputBufferHC (void* LZ4HC_Data);
+int LZ4_freeHC (void* LZ4HC_Data);
+
+int LZ4_compressHC2_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int compressionLevel);
+int LZ4_compressHC2_limitedOutput_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
+
+/*
+These functions allow the compression of dependent blocks, where each block benefits from prior 64 KB within preceding blocks.
+In order to achieve this, it is necessary to start creating the LZ4HC Data Structure, thanks to the function :
+
+void* LZ4_createHC (const char* inputBuffer);
+The result of the function is the (void*) pointer on the LZ4HC Data Structure.
+This pointer will be needed in all other functions.
+If the pointer returned is NULL, then the allocation has failed, and compression must be aborted.
+The only parameter 'const char* inputBuffer' must, obviously, point at the beginning of input buffer.
+The input buffer must be already allocated, and size at least 192KB.
+'inputBuffer' will also be the 'const char* source' of the first block.
+
+All blocks are expected to lay next to each other within the input buffer, starting from 'inputBuffer'.
+To compress each block, use either LZ4_compressHC_continue() or LZ4_compressHC_limitedOutput_continue().
+Their behavior are identical to LZ4_compressHC() or LZ4_compressHC_limitedOutput(),
+but require the LZ4HC Data Structure as their first argument, and check that each block starts right after the previous one.
+If next block does not begin immediately after the previous one, the compression will fail (return 0).
+
+When it's no longer possible to lay the next block after the previous one (not enough space left into input buffer), a call to :
+char* LZ4_slideInputBufferHC(void* LZ4HC_Data);
+must be performed. It will typically copy the latest 64KB of input at the beginning of input buffer.
+Note that, for this function to work properly, minimum size of an input buffer must be 192KB.
+==> The memory position where the next input data block must start is provided as the result of the function.
+
+Compression can then resume, using LZ4_compressHC_continue() or LZ4_compressHC_limitedOutput_continue(), as usual.
+
+When compression is completed, a call to LZ4_freeHC() will release the memory used by the LZ4HC Data Structure.
+*/
+
+int LZ4_sizeofStreamStateHC(void);
+int LZ4_resetStreamStateHC(void* state, const char* inputBuffer);
+
+/*
+These functions achieve the same result as :
+void* LZ4_createHC (const char* inputBuffer);
+
+They are provided here to allow the user program to allocate memory using its own routines.
+
+To know how much space must be allocated, use LZ4_sizeofStreamStateHC();
+Note also that space must be aligned for pointers (32 or 64 bits).
+
+Once space is allocated, you must initialize it using : LZ4_resetStreamStateHC(void* state, const char* inputBuffer);
+void* state is a pointer to the space allocated.
+It must be aligned for pointers (32 or 64 bits), and be large enough.
+The parameter 'const char* inputBuffer' must, obviously, point at the beginning of input buffer.
+The input buffer must be already allocated, and size at least 192KB.
+'inputBuffer' will also be the 'const char* source' of the first block.
+
+The same space can be re-used multiple times, just by initializing it each time with LZ4_resetStreamState().
+return value of LZ4_resetStreamStateHC() must be 0 is OK.
+Any other value means there was an error (typically, state is not aligned for pointers (32 or 64 bits)).
+*/
+
+
+#if defined (__cplusplus)
+}
+#endif
# fullbench32: Same as fullbench, but forced to compile in 32-bits mode
# ################################################################
-RELEASE=r113
+RELEASE=r114
DESTDIR=
PREFIX=/usr
-CC=gcc
-CFLAGS+= -I.. -std=c99 -Wall -W -Wundef -DLZ4_VERSION=\"$(RELEASE)\"
+CC:=$(CC)
+CFLAGS+= -I.. -std=c99 -O3 -Wall -W -Wundef -DLZ4_VERSION=\"$(RELEASE)\"
BINDIR=$(PREFIX)/bin
MANDIR=$(PREFIX)/share/man/man1
all: lz4 lz4c lz4c32 fuzzer fuzzer32 fullbench fullbench32
lz4: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c bench.c xxhash.c lz4io.c lz4cli.c
- $(CC) -O3 $(CFLAGS) -DDISABLE_LZ4C_LEGACY_OPTIONS $^ -o $@$(EXT)
+ $(CC) $(CFLAGS) -DDISABLE_LZ4C_LEGACY_OPTIONS $^ -o $@$(EXT)
lz4c : $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c bench.c xxhash.c lz4io.c lz4cli.c
- $(CC) -O3 $(CFLAGS) $^ -o $@$(EXT)
+ $(CC) $(CFLAGS) $^ -o $@$(EXT)
lz4c32: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c bench.c xxhash.c lz4io.c lz4cli.c
- $(CC) -m32 -O3 $(CFLAGS) $^ -o $@$(EXT)
+ $(CC) -m32 $(CFLAGS) $^ -o $@$(EXT)
fuzzer : $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c fuzzer.c
- @echo fuzzer is a test tool to check lz4 integrity on target platform
- $(CC) -O3 $(CFLAGS) $^ -o $@$(EXT)
+ $(CC) $(CFLAGS) $^ -o $@$(EXT)
fuzzer32: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c fuzzer.c
- $(CC) -m32 -O3 $(CFLAGS) $^ -o $@$(EXT)
+ $(CC) -m32 $(CFLAGS) $^ -o $@$(EXT)
fullbench : $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c xxhash.c fullbench.c
- $(CC) -O3 $(CFLAGS) $^ -o $@$(EXT)
+ $(CC) $(CFLAGS) $^ -o $@$(EXT)
fullbench32: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c xxhash.c fullbench.c
- $(CC) -m32 -O3 $(CFLAGS) $^ -o $@$(EXT)
+ $(CC) -m32 $(CFLAGS) $^ -o $@$(EXT)
clean:
@rm -f core *.o \
}
// Alloc
- chunkP = (struct chunkParameters*) malloc(((benchedSize / chunkSize)+1) * sizeof(struct chunkParameters));
+ chunkP = (struct chunkParameters*) malloc(((benchedSize / (size_t)chunkSize)+1) * sizeof(struct chunkParameters));
orig_buff = (char*)malloc((size_t )benchedSize);
- nbChunks = (int) (benchedSize / chunkSize) + 1;
+ nbChunks = (int) ((int)benchedSize / chunkSize) + 1;
maxCompressedChunkSize = LZ4_compressBound(chunkSize);
compressedBuffSize = nbChunks * maxCompressedChunkSize;
compressedBuffer = (char*)malloc((size_t )compressedBuffSize);
}
// Alloc
- chunkP = (struct chunkParameters*) malloc(((benchedSize / chunkSize)+1) * sizeof(struct chunkParameters));
+ chunkP = (struct chunkParameters*) malloc(((benchedSize / (size_t)chunkSize)+1) * sizeof(struct chunkParameters));
orig_buff = (char*) malloc((size_t)benchedSize);
- nbChunks = (int) (benchedSize / chunkSize) + 1;
+ nbChunks = (int) ((int)benchedSize / chunkSize) + 1;
maxCompressedChunkSize = LZ4_compressBound(chunkSize);
compressedBuffSize = nbChunks * maxCompressedChunkSize;
compressed_buff = (char*)malloc((size_t)compressedBuffSize);
fflush(stdout);
if ( fgets(userInput, sizeof userInput, stdin) )
{
- if ( sscanf(userInput, "%d", &seed) == 1 ) {}
+ if ( sscanf(userInput, "%u", &seed) == 1 ) {}
else seed = FUZ_GetMilliSpan(timestamp);
}
printf("Seed = %u\n", seed);
.hy 0
.nr HY 0
-.TH lz4 man
+.TH lz4 "1" "2014-02-27" "lz4" "User Commands"
.SH NAME
\fBlz4\fR - Extremely fast compression algorithm
*/
-int XXH32_sizeofState();
+int XXH32_sizeofState(void);
XXH_errorcode XXH32_resetState(void* state, unsigned int seed);
#define XXH32_SIZEOFSTATE 48
projects / platform / upstream / lz4.git / commitdiff