glibc/iconvdata/ibm939.c
Ulrich Drepper faaa6f6283 Update.
2002-05-12  Bruno Haible  <bruno@clisp.org>

	* iconvdata/testdata/EUC-JISX0213: New file.
	* iconvdata/testdata/EUC-JISX0213..UTF8: New file.
	* iconvdata/testdata/SHIFT_JISX0213: New file.
	* iconvdata/testdata/SHIFT_JISX0213..UTF8: New file.
	* iconvdata/testdata/ISO-2022-JP-3: New file.
	* iconvdata/testdata/ISO-2022-JP-3..UTF8: New file.
	* iconvdata/TESTS: Add EUC-JISX0213, SHIFT_JISX0213, ISO-2022-JP-3.
	* iconvdata/run-iconv-test.sh: Skip the charmap test if the charmap
	contains comments indicating precomposed characters.

2002-04-21  Bruno Haible  <bruno@clisp.org>

	* iconvdata/iso-2022-jp-3.c: New file.
	* iconvdata/gconv-modules (ISO-2022-JP-3): New module.
	* iconvdata/Makefile (modules): Add ISO-2022-JP-3.
	(LDFLAGS-ISO-2022-JP-3.so): New variable.
	(ISO-2022-JP-3.so): Depend on libJIS.so and libJISX0213.so.
	(distribute): Add iso-2022-jp-3.c.

2002-05-12  Bruno Haible  <bruno@clisp.org>

	* iconvdata/tst-table-to.c (main): Restore handling of
	transliterations, broken by last patch.

2002-05-12  Bruno Haible  <bruno@clisp.org>

	* iconvdata/TESTS: Add IBM922, IBM1124, IBM1129.

2002-05-12  Bruno Haible  <bruno@clisp.org>

	* iconvdata/euc-jisx0213.c (BODY for FROM_LOOP): Don't advance inptr
	when there is not enough room in the output buffer.
	* iconvdata/shift_jisx0213.c (BODY for FROM_LOOP): Likewise.

2002-04-20  Bruno Haible  <bruno@clisp.org>

	* iconv/skeleton.c ({FROM,TO}_LOOP_{MIN,MAX}_NEEDED_{FROM,TO}): New
	macros.
	(RESET_INPUT_BUFFER): Use them instead of {MIN,MAX}_NEEDED_{FROM,TO}.
	Also make this macro work if FROM_DIRECTION evaluates to 0.
	(gconv_init): Use the new macros instead of {MIN,MAX}_NEEDED_{FROM,TO}.
	(FUNCTION_NAME): Likewise, in the handling of unaligned accesses and
	of consume_incomplete.
	* iconvdata/cp1255.c: Define {FROM,TO}_LOOP_{MIN,MAX}_NEEDED_{FROM,TO}
	instead of {MIN,MAX}_NEEDED_{FROM,TO}. Set FROM_LOOP_MAX_NEEDED_TO to
	4, not 8.
	* iconvdata/cp1258.c: Likewise.
	* iconvdata/ibm930.c: Define {FROM,TO}_LOOP_{MIN,MAX}_NEEDED_{FROM,TO}
	instead of {MIN,MAX}_NEEDED_{FROM,TO}. Set TO_LOOP_MAX_NEEDED_TO to 3,
	not 2.
	* iconvdata/ibm933.c: Likewise.
	* iconvdata/ibm935.c: Likewise.
	* iconvdata/ibm937.c: Likewise.
	* iconvdata/ibm939.c: Likewise.
	* iconvdata/iso-2022-cn.c: Define
	{FROM,TO}_LOOP_{MIN,MAX}_NEEDED_{FROM,TO} instead of
	{MIN,MAX}_NEEDED_{FROM,TO}. Set TO_LOOP_MAX_NEEDED_TO to 6, not 4.
	* iconvdata/iso-2022-cn-ext.c: Likewise.
	* iconvdata/iso-2022-jp.c: Define
	{FROM,TO}_LOOP_{MIN,MAX}_NEEDED_{FROM,TO} instead of
	{MIN,MAX}_NEEDED_{FROM,TO}.
	* iconvdata/tcvn5712-1.c: Define
	{FROM,TO}_LOOP_{MIN,MAX}_NEEDED_{FROM,TO} instead of
	{MIN,MAX}_NEEDED_{FROM,TO}. Set FROM_LOOP_MAX_NEEDED_FROM to 1, not 2.
	* iconvdata/euc-jisx0213.c: Define
	{FROM,TO}_LOOP_{MIN,MAX}_NEEDED_{FROM,TO} instead of
	{MIN,MAX}_NEEDED_{FROM,TO}. Set FROM_LOOP_MAX_NEEDED_TO to 8, not 4.
	* iconvdata/shift_jisx0213.c: Likewise.

2002-05-14  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* sysdeps/powerpc/Makefile (sysdeps_routines): Add divdi3, cmpdi2,
	shdi3, fixdfdi, fixsfdi in csu dir.
	(shared-only-routines): Likewise.
	* sysdeps/wordsize-32/cmpdi2.c: New file.
	* sysdeps/wordsize-32/shdi3.c: New file.
	* sysdeps/wordsize-32/fixdfdi.c: New file.
	* sysdeps/wordsize-32/fixsfdi.c: New file.
	* sysdeps/powerpc/Versions (__divdi3, __moddi3, __udivdi3, __umoddi3,
	__ashldi3, __ashrdi3, __lshrdi3, __cmpdi2, __ucmpdi2, __fixdfdi,
	__fixsfdi, __fixunsdfdi, __fixunssfdi): Export at GLIBC_2.0.

	* sysdeps/unix/sysv/linux/semctl.c (__old_semctl, __new_semctl):
	Only use va_arg if the argument will be used [PR libc/3259].

2002-05-06  Michael A. Schmidt  <mmaass@us.ibm.com>

	* catgets/catgets.c (catopen): Free buffer if internal catalog
	open fails.

2002-05-14  Ulrich Drepper  <drepper@redhat.com>

	* debug/xtrace.sh: Make more robust.  For realtime tracking use
	non-buffering methods.
	* debug/pcprofiledump.c: Implement -u option.
	Patch by Roger Luethi <rl@hellgate.ch>.
2002-05-15 06:02:35 +00:00

302 lines
9.9 KiB
C

/* Conversion to and from IBM939.
Copyright (C) 2000-2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Masahide Washizawa <washi@yamato.ibm.co.jp>, 2000.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <dlfcn.h>
#include <stdint.h>
#include <wchar.h>
#include <byteswap.h>
#include "ibm939.h"
/* The shift sequences for this charset (it does not use ESC). */
#define SI 0x0F /* Shift In, host code to turn DBCS off. */
#define SO 0x0E /* Shift Out, host code to turn DBCS on. */
/* Definitions used in the body of the `gconv' function. */
#define CHARSET_NAME "IBM939//"
#define FROM_LOOP from_ibm939
#define TO_LOOP to_ibm939
#define FROM_LOOP_MIN_NEEDED_FROM 1
#define FROM_LOOP_MAX_NEEDED_FROM 2
#define FROM_LOOP_MIN_NEEDED_TO 4
#define FROM_LOOP_MAX_NEEDED_TO 4
#define TO_LOOP_MIN_NEEDED_FROM 4
#define TO_LOOP_MAX_NEEDED_FROM 4
#define TO_LOOP_MIN_NEEDED_TO 1
#define TO_LOOP_MAX_NEEDED_TO 3
#define PREPARE_LOOP \
int save_curcs; \
int *curcsp = &data->__statep->__count;
#define EXTRA_LOOP_ARGS , curcsp
/* Definitions of initialization and destructor function. */
#define DEFINE_INIT 1
#define DEFINE_FINI 1
/* 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 & ~7) != sb) \
{ \
if (FROM_DIRECTION) \
data->__statep->__count &= 7; \
else \
{ \
/* We are not in the initial state. To switch back we have \
to emit `SI'. */ \
if (__builtin_expect (outbuf >= outend, 0)) \
/* We don't have enough room in the output buffer. */ \
status = __GCONV_FULL_OUTPUT; \
else \
{ \
/* Write out the shift sequence. */ \
*outbuf++ = SI; \
data->__statep->__count &= 7; \
} \
} \
}
/* 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_curcs = *curcsp; \
else \
*curcsp = save_curcs
/* Current codeset type. */
enum
{
sb = 0,
db = 64
};
/* First, define the conversion function from IBM-939 to UCS4. */
#define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
uint32_t ch = *inptr; \
uint32_t res; \
\
if (__builtin_expect (ch, 0) == SO) \
{ \
/* Shift OUT, change to DBCS converter. */ \
if (curcs == db) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
curcs = db; \
++inptr; \
continue; \
} \
else if (__builtin_expect (ch, 0) == SI) \
{ \
/* Shift IN, change to SBCS converter. */ \
if (curcs == sb) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
curcs = sb; \
++inptr; \
continue; \
} \
\
if (curcs == sb) \
{ \
/* Use the IBM939 table for single byte. */ \
res = __ibm939sb_to_ucs4[ch]; \
if (__builtin_expect (res, L'\1') == L'\0' && ch != '\0') \
{ \
/* This is an illegal character. */ \
if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
++*irreversible; \
} \
else \
{ \
put32 (outptr, res); \
outptr += 4; \
} \
++inptr; \
} \
else \
{ \
/* Use the IBM939 table for double byte. */ \
const struct gap *rp2 = __ibm939db_to_ucs4_idx; \
\
assert (curcs == db); \
\
if (__builtin_expect (inptr + 1 >= inend, 0)) \
{ \
/* The second character is not available. Store the \
intermediate result. */ \
result = __GCONV_INCOMPLETE_INPUT; \
break; \
} \
\
ch = (ch * 0x100) + inptr[1]; \
while (ch > rp2->end) \
++rp2; \
\
if (__builtin_expect (rp2 == NULL, 0) \
|| __builtin_expect (ch < rp2->start, 0) \
|| (res = __ibm939db_to_ucs4[ch + rp2->idx], \
__builtin_expect (res, L'\1') == L'\0' && ch != '\0')) \
{ \
/* This is an illegal character. */ \
if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
++*irreversible; \
} \
else \
{ \
put32 (outptr, res); \
outptr += 4; \
} \
inptr += 2; \
} \
}
#define LOOP_NEED_FLAGS
#define EXTRA_LOOP_DECLS , int *curcsp
#define INIT_PARAMS int curcs = *curcsp & ~7
#define UPDATE_PARAMS *curcsp = curcs
#include <iconv/loop.c>
/* Next, define the other direction */
#define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO
#define LOOPFCT TO_LOOP
#define BODY \
{ \
uint32_t ch = get32 (inptr); \
const struct gap *rp1 = __ucs4_to_ibm939sb_idx; \
const struct gap *rp2 = __ucs4_to_ibm939db_idx; \
const char *cp; \
\
if (__builtin_expect (ch >= 0xffff, 0)) \
{ \
UNICODE_TAG_HANDLER (ch, 4); \
rp1 = NULL; \
rp2 = NULL; \
} \
else \
while (ch > rp1->end) \
++rp1; \
\
/* Use the UCS4 table for single byte. */ \
if (__builtin_expect (rp1 == NULL, 0) \
|| __builtin_expect (ch < rp1->start, 0) \
|| (cp = __ucs4_to_ibm939sb[ch + rp1->idx], \
__builtin_expect (cp[0], L'\1') == L'\0' && ch != '\0')) \
{ \
/* Use the UCS4 table for double byte. */ \
while (ch > rp2->end) \
++rp2; \
\
if (__builtin_expect (rp2 == NULL, 0) \
|| __builtin_expect (ch < rp2->start, 0) \
|| (cp = __ucs4_to_ibm939db[ch + rp2->idx], \
__builtin_expect (cp[0], L'\1')==L'\0' && ch != '\0')) \
{ \
/* This is an illegal character. */ \
if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
++*irreversible; \
} \
else \
{ \
if (curcs == sb) \
{ \
if (__builtin_expect (outptr + 1 > outend, 0)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
*outptr++ = SO; \
curcs = db; \
} \
\
if (__builtin_expect (outptr + 2 > outend, 0)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
*outptr++ = cp[0]; \
*outptr++ = cp[1]; \
} \
} \
else \
{ \
if (curcs == db) \
{ \
if (__builtin_expect (outptr + 1 > outend, 0)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
*outptr++ = SI; \
} \
\
if (__builtin_expect (outptr + 1 > outend, 0)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
if (ch == 0x7e) \
*outptr++ = 0xa0; \
else if (ch == 0x5c) \
*outptr++ = 0xb2; \
else \
*outptr++ = cp[0]; \
curcs = sb; \
} \
\
/* Now that we wrote the output increment the input pointer. */ \
inptr += 4; \
}
#define LOOP_NEED_FLAGS
#define EXTRA_LOOP_DECLS , int *curcsp
#define INIT_PARAMS int curcs = *curcsp & ~7
#define UPDATE_PARAMS *curcsp = curcs
#include <iconv/loop.c>
/* Now define the toplevel functions. */
#include <iconv/skeleton.c>