mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
3b7caeac2c
* iconvdata/run-iconv-test.sh: Reorgnize a bit to allow running only the ASCII test. * iconvdata/TESTS: Add entries for IBM932 and IBM943. * iconvdata/Makefile (modules): Add IBM932 and IBM943. * iconvdata/gconv-modules: Add entries for IBM932 and IBM943. * iconvdata/ibm932.c: New file. * iconvdata/ibm932.h: New file. * iconvdata/ibm943.c: New file. * iconvdata/ibm943.h: New file. Patches by Masahide Washizawa <washi@jp.ibm.com>.
235 lines
7.7 KiB
C
235 lines
7.7 KiB
C
/* Conversion from and to IBM932.
|
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Masahide Washizawa <washi@jp.ibm.com>, 2000.
|
|
|
|
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 "ibm932.h"
|
|
|
|
#ifndef TRUE
|
|
#define TRUE 1
|
|
#define FALSE 0
|
|
#endif
|
|
|
|
#define FROM 0
|
|
#define TO 1
|
|
|
|
/* Definitions used in the body of the `gconv' function. */
|
|
#define CHARSET_NAME "IBM932//"
|
|
#define FROM_LOOP from_ibm932
|
|
#define TO_LOOP to_ibm932
|
|
|
|
/* Definitions of initialization and destructor function. */
|
|
#define DEFINE_INIT 1
|
|
#define DEFINE_FINI 1
|
|
|
|
#define MIN_NEEDED_FROM 1
|
|
#define MAX_NEEDED_FROM 2
|
|
#define MIN_NEEDED_TO 4
|
|
|
|
/* First, define the conversion function from IBM-932 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 \
|
|
{ \
|
|
const struct gap *rp1 = __ibm932sb_to_ucs4_idx; \
|
|
const struct gap *rp2 = __ibm932db_to_ucs4_idx; \
|
|
uint32_t ch = *inptr; \
|
|
uint32_t res; \
|
|
\
|
|
if (__builtin_expect (ch, 0) >= 0xffff) \
|
|
{ \
|
|
rp1 = NULL; \
|
|
rp2 = NULL; \
|
|
} \
|
|
else if (__builtin_expect (ch, 0) == 0x80 \
|
|
|| __builtin_expect (ch, 0) == 0xa0 \
|
|
|| __builtin_expect (ch, 0) == 0xfd \
|
|
|| __builtin_expect (ch, 0) == 0xfe \
|
|
|| __builtin_expect (ch, 0) == 0xff) \
|
|
{ \
|
|
/* This is an illegal character. */ \
|
|
if (! ignore_errors_p ()) \
|
|
{ \
|
|
result = __GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
} \
|
|
else \
|
|
{ \
|
|
while (ch > rp1->end) \
|
|
++rp1; \
|
|
} \
|
|
\
|
|
/* Use the IBM932 table for single byte. */ \
|
|
if (__builtin_expect (rp1 == NULL, 0) \
|
|
|| __builtin_expect (ch < rp1->start, 0) \
|
|
|| (res = __ibm932sb_to_ucs4[ch + rp1->idx], \
|
|
__builtin_expect (res, '\1') == 0 && ch != 0)) \
|
|
{ \
|
|
\
|
|
/* Use the IBM932 table for double byte. */ \
|
|
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 = __ibm932db_to_ucs4[ch + rp2->idx], \
|
|
__builtin_expect (res, '\1') == 0 && ch !=0)) \
|
|
{ \
|
|
/* This is an illegal character. */ \
|
|
if (! ignore_errors_p ()) \
|
|
{ \
|
|
result = __GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
++*irreversible; \
|
|
inptr += 2; \
|
|
continue; \
|
|
} \
|
|
else \
|
|
{ \
|
|
put32 (outptr, res); \
|
|
outptr += 4; \
|
|
inptr += 2; \
|
|
} \
|
|
} \
|
|
else \
|
|
{ \
|
|
if (res == 0x1c) \
|
|
res = 0x1a; \
|
|
else if (res == 0x7f) \
|
|
res = 0x1c; \
|
|
else if (res == 0xa5) \
|
|
res = 0x5c; \
|
|
else if (res == 0x203e) \
|
|
res = 0x7e; \
|
|
else if (res == 0x1a) \
|
|
res = 0x7f; \
|
|
put32 (outptr, res); \
|
|
outptr += 4; \
|
|
inptr++; \
|
|
} \
|
|
}
|
|
#define LOOP_NEED_FLAGS
|
|
#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 \
|
|
{ \
|
|
const struct gap *rp = __ucs4_to_ibm932sb_idx; \
|
|
unsigned char sc; \
|
|
uint32_t ch = get32(inptr); \
|
|
uint16_t found = TRUE; \
|
|
uint32_t i; \
|
|
uint32_t low; \
|
|
uint32_t high; \
|
|
uint16_t pccode; \
|
|
\
|
|
if (__builtin_expect (ch, 0) >= 0xffff) \
|
|
rp = NULL; \
|
|
else \
|
|
while (ch > rp->end) \
|
|
++rp; \
|
|
\
|
|
/* Use the UCS4 table for single byte. */ \
|
|
if (__builtin_expect (rp == NULL, 0) \
|
|
|| __builtin_expect (ch < rp->start, 0) \
|
|
|| (sc = __ucs4_to_ibm932sb[ch + rp->idx], \
|
|
__builtin_expect (sc, '\1') == '\0' && ch != L'\0')) \
|
|
{ \
|
|
\
|
|
/* Use the UCS4 table for double byte. */ \
|
|
found = FALSE; \
|
|
low = 0; \
|
|
high = (sizeof (__ucs4_to_ibm932db) >> 1) \
|
|
/ sizeof (__ucs4_to_ibm932db[0][FROM]); \
|
|
pccode = ch; \
|
|
while (low <= high) \
|
|
{ \
|
|
i = (low + high) >> 1; \
|
|
if (pccode < __ucs4_to_ibm932db[i][FROM]) \
|
|
high = i - 1; \
|
|
else if (pccode > __ucs4_to_ibm932db[i][FROM]) \
|
|
low = i + 1; \
|
|
else \
|
|
{ \
|
|
pccode = __ucs4_to_ibm932db[i][TO]; \
|
|
found = TRUE; \
|
|
break; \
|
|
} \
|
|
} \
|
|
if (found) \
|
|
{ \
|
|
if (__builtin_expect (outptr + 2 > outend, 0)) \
|
|
{ \
|
|
result = __GCONV_FULL_OUTPUT; \
|
|
break; \
|
|
} \
|
|
*outptr++ = pccode >> 8 & 0xff; \
|
|
*outptr++ = pccode & 0xff; \
|
|
} \
|
|
else \
|
|
{ \
|
|
/* This is an illegal character. */ \
|
|
if (! ignore_errors_p ()) \
|
|
{ \
|
|
result = __GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
++*irreversible; \
|
|
} \
|
|
} \
|
|
else \
|
|
{ \
|
|
if (__builtin_expect (outptr + 1 > outend, 0)) \
|
|
{ \
|
|
result = __GCONV_FULL_OUTPUT; \
|
|
break; \
|
|
} \
|
|
if (ch == 0x5c) \
|
|
*outptr++ = 0x5c; \
|
|
else if (ch == 0x7e) \
|
|
*outptr++ = 0x7e; \
|
|
else \
|
|
*outptr++ = sc; \
|
|
} \
|
|
\
|
|
/* Now that we wrote the output increment the input pointer. */ \
|
|
inptr += 4; \
|
|
}
|
|
#define LOOP_NEED_FLAGS
|
|
#include <iconv/loop.c>
|
|
|
|
/* Now define the toplevel functions. */
|
|
#include <iconv/skeleton.c>
|