EBCDIC-FI-SE-A EBCDIC-FR EBCDIC-IS-FRISS EBCDIC-IT EBCDIC-PT \
EBCDIC-UK EBCDIC-US IBM037 IBM038 IBM274 IBM275 IBM423 IBM424 \
IBM500 IBM870 IBM871 IBM891 IBM903 IBM904 IBM905 IBM1047 \
- CP874 CP737 CP775
+ CP874 CP737 CP775 ISO-2022-KR
ifneq ($(PERL),no)
modules += KOI8-R LATIN-GREEK LATIN-GREEK-1 IBM256 IBM273 IBM277 IBM278 \
IBM280 IBM281 IBM284 IBM285 IBM290 IBM297 IBM420 IBM437 \
EUC-CN-routines := euccn
EUC-TW-routines := euctw
ISO-2022-JP-routines := iso-2022-jp
+ISO-2022-KR-routines := iso-2022-kr
libJIS-routines := jis0201 jis0208 jis0212
libKSC-routines := ksc5601
libGB-routines := gb2312
LDFLAGS-ISO-2022-JP.so = -Wl,-rpath,$(gconvdir)
$(objpfx)ISO-2022-JP.so: $(objpfx)libJIS.so $(objpfx)libGB.so \
- $(objpfx)libCNS.so
+ $(objpfx)libCNS.so $(objpfx)libKSC.so
+LDFLAGS-ISO-2022-JP.so = -Wl,-rpath,$(gconvdir)
+$(objpfx)ISO-2022-JP.so: $(objpfx)libKSC.so
LDFLAGS-libJIS.so = -Wl,-soname,$(@F)
LDFLAGS-libKSC.so = -Wl,-soname,$(@F)
ibm903.c ibm904.c ibm905.c ibm918.c ibm1004.c ibm1026.c \
ibm1047.c cp1250.c cp1251.c cp1252.c cp1253.c cp1254.c \
cp1255.c cp1256.c cp1257.c cp874.c cp874.h cp737.c cp737.h \
- cp775.c cp775.h iso-2022-jp.c
+ cp775.c cp775.h iso-2022-jp.c iso-2022-kr.c
# We build the transformation modules only when we build shared libs.
ifeq (yes,$(build-shared))
--- /dev/null
+/* Conversion module for ISO-2022-KR.
+ Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <gconv.h>
+#include <stdint.h>
+#include <string.h>
+#include "ksc5601.h"
+
+/* This makes obvious what everybody knows: 0x1b is the Esc character. */
+#define SI 0x0f
+#define SO 0x0e
+
+/* Definitions used in the body of the `gconv' function. */
+#define DEFINE_INIT 1
+#define DEFINE_FINI 1
+#define FROM_LOOP from_iso2022kr_loop
+#define TO_LOOP to_iso2022kr_loop
+#define MIN_NEEDED_FROM 1
+#define MAX_NEEDED_FROM 3
+#define MIN_NEEDED_TO 4
+#define MAX_NEEDED_TO 4
+#define PREPARE_LOOP \
+ int save_set;
+ int set = data->statep->count;
+
+/* The COUNT element of the state keeps track of the currently selected
+ character set. The possible values are: */
+enum
+{
+ ASCII_set = 0,
+ KSC5601_set
+};
+
+
+/* Since this is a stateful encoding we have to provide code which resets
+ the output state to the initial state. This has to be done during the
+ flushing. */
+#define EMIT_SHIFT_TO_INIT \
+ if (data->statep->count != 0) \
+ { \
+ if (step->data == &from_object) \
+ /* It's easy, we don't have to emit anything, we just reset the \
+ state for the input. */ \
+ set = 0; \
+ else \
+ { \
+ char *outbuf = data->outbuf; \
+ \
+ /* We are not in the initial state. To switch back we have \
+ to emit `SO'. */ \
+ if (outbuf == data->outbufend) \
+ /* We don't have enough room in the output buffer. */ \
+ status = GCONV_FULL_OUTPUT; \
+ else \
+ { \
+ /* Write out the shift sequence. */ \
+ *outbuf++ = SO; \
+ data->outbuf = outbuf; \
+ set = 0; \
+ } \
+ } \
+ }
+
+
+/* Since we might have to reset input pointer we must be able to save
+ and retore the state. */
+#define SAVE_RESET_STATE(Save) \
+ if (Save) \
+ save_set = set; \
+ else \
+ set = save_set
+
+
+/* First define the conversion function from ISO-2022-JP to UCS4. */
+#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+#define LOOPFCT FROM_LOOP
+#define BODY \
+ { \
+ uint32_t ch = *inptr; \
+ \
+ /* This is a 7bit character set, disallow all 8bit characters. */ \
+ if (ch > 0x7f) \
+ { \
+ result = GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ \
+ /* Recognize escape sequences. */ \
+ if (ch == ESC) \
+ { \
+ /* We don't really have to handle escape sequences since all the \
+ switching is done using the SI and SO bytes. Butwe have to \
+ recognize `Esc $ ) C' since this is a kind of flag for this \
+ encoding. We simply ignore it. */ \
+ if (inptr + 1 > inend \
+ || (inptr[1] == '$' \
+ && (inptr + 2 > inend \
+ || (inptr[2] == ')' && inptr + 3 > inend)))) \
+ \
+ { \
+ result = GCONV_EMPTY_INPUT; \
+ break; \
+ } \
+ if (inptr[1] == '$' && inptr[2] == ')' && inptr[3] == 'C') \
+ { \
+ /* Yeah, yeah, we know this is ISO 2022-KR. */ \
+ inptr += 4; \
+ continue; \
+ } \
+ } \
+ else if (ch == SI) \
+ { \
+ /* Switch to use KSC. */ \
+ ++inptr; \
+ set = KSC5601_set; \
+ continue; \
+ } \
+ else if (ch == SO) \
+ { \
+ /* Switch to use ASCII. */ \
+ ++inptr; \
+ set = ASCII_set; \
+ continue; \
+ } \
+ \
+ if (set == ASCII_set || ch < 0x21 || ch == 0x7f) \
+ /* Almost done, just advance the input pointer. */ \
+ ++inptr; \
+ else \
+ { \
+ assert (set == KSC5601_set); \
+ \
+ /* Use the KSC 5601 table. */ \
+ ch = ksc5601_to_ucs4 (&inptr, \
+ NEED_LENGTH_TEST ? inend - inptr : 2, 0); \
+ \
+ if (NEED_LENGTH_TEST && ch == 0) \
+ { \
+ result = GCONV_EMPTY_INPUT; \
+ break; \
+ } \
+ else if (ch == UNKNOWN_10646_CHAR) \
+ { \
+ result = GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ } \
+ \
+ *((uint32_t *) outptr)++ = ch; \
+ }
+#define EXTRA_LOOP_DECLS , int set
+#include <iconv/loop.c>
+
+
+/* Next, define the other direction. */
+#define MIN_NEEDED_INPUT MIN_NEEDED_TO
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
+#define LOOPFCT TO_LOOP
+#define BODY \
+ { \
+ unsigned char ch; \
+ size_t written = 0; \
+ \
+ ch = *((uint32_t *) inptr); \
+ \
+ /* First see whether we can write the character using the currently \
+ selected character set. */ \
+ if (set == ASCII_set || (ch >= 0x01 && (ch < 0x21 || ch == 0x7f))) \
+ { \
+ /* Please note that the NUL byte is *not* matched if we are not \
+ currently using the ASCII charset. This is because we must \
+ switch to the initial state whenever a NUL byte is written. */ \
+ if (ch <= 0x7f) \
+ { \
+ *outptr++ = ch; \
+ written = 1; \
+ } \
+ } \
+ else \
+ { \
+ assert (set == KSC5601_set); \
+ \
+ written = ucs4_to_ksc5601 (ch, outptr, \
+ (NEED_LENGTH_TEST ? outend - outptr : 2)); \
+ \
+ if (NEED_LENGTH_TEST && written == 0) \
+ { \
+ result = GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ if (written == UNKNOWN_10646_CHAR) \
+ { \
+ /* Either this is an unknown character or we have to switch \
+ the currently selected character set. The character sets \
+ do not code entirely separate parts of ISO 10646 and \
+ therefore there is no single correct result. If we choose \
+ the character set to use wrong we might be end up with \
+ using yet another character set for the next character \
+ though the current and the next could be encoded with one \
+ character set. We leave this kind of optimization for \
+ later and now simply use a fixed order in which we test for \
+ availability */ \
+ \
+ if (ch <= 0x7f) \
+ { \
+ /* We must encode using ASCII. First write out the \
+ escape sequence. */ \
+ *outptr++ = SO; \
+ set = ASCII_set; \
+ \
+ if (NEED_LENGTH_TEST && outptr == outend) \
+ { \
+ result = GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ \
+ *outptr++ = ch; \
+ } \
+ else \
+ { \
+ written = ucs4_to_ksc5601 (ch, buf, 2); \
+ if (written != UNKNOWN_10646_CHAR) \
+ { \
+ /* We use KSC 5601. */ \
+ *outptr++ = SI; \
+ set = KSC5601_set; \
+ \
+ if (NEED_LENGTH_TEST && outptr + 2 > outend) \
+ { \
+ result = GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ \
+ *outptr++ = buf[0]; \
+ *outptr++ = buf[1]; \
+ } \
+ else \
+ { \
+ result = GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ } \
+ } \
+ \
+ /* Now that we wrote the output increment the input pointer. */ \
+ inptr += 4; \
+ }
+#define EXTRA_LOOP_DECLS , int set
+#include <iconv/loop.c>
+
+
+/* Now define the toplevel functions. */
+#include <iconv/skeleton.c>
projects / platform / upstream / glibc.git / commitdiff