mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 13:30:06 +00:00
bc900b1118
1998-04-26 Ulrich Drepper <drepper@cygnus.com> * iconvdata/gconv-modules: Add entry for ISO-2022-JP and ISO-2022-JP-2.
142 lines
4.6 KiB
C
142 lines
4.6 KiB
C
/* Mapping tables for EUC-CN handling.
|
|
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 <gb2312.h>
|
|
#include <stdint.h>
|
|
|
|
/* Definitions used in the body of the `gconv' function. */
|
|
#define CHARSET_NAME "EUC-CN//"
|
|
#define FROM_LOOP from_euc_cn
|
|
#define TO_LOOP to_euc_cn
|
|
#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 ISO 8859-1 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; \
|
|
\
|
|
if (ch <= 0x7f) \
|
|
++inptr; \
|
|
else \
|
|
if ((ch <= 0xa0 || ch > 0xfe) && ch != 0x8e && ch != 0x8f) \
|
|
{ \
|
|
/* This is illegal. */ \
|
|
result = GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
else \
|
|
{ \
|
|
/* Two or more byte character. First test whether the \
|
|
next character is also available. */ \
|
|
const unsigned char *endp; \
|
|
\
|
|
if (NEED_LENGTH_TEST && inptr + 1 >= inend) \
|
|
{ \
|
|
/* The second character is not available. Store \
|
|
the intermediate result. */ \
|
|
result = GCONV_INCOMPLETE_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
ch = inptr[1]; \
|
|
\
|
|
/* All second bytes of a multibyte character must be >= 0xa1. */ \
|
|
if (ch < 0xa1) \
|
|
{ \
|
|
/* This is an illegal character. */ \
|
|
result = GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* This is code set 1: GB 2312-80. */ \
|
|
endp = inptr; \
|
|
\
|
|
ch = gb2312_to_ucs4 (&endp, 2, 0x80); \
|
|
if (ch == UNKNOWN_10646_CHAR) \
|
|
{ \
|
|
/* This is an illegal character. */ \
|
|
result = GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
inptr += 2; \
|
|
} \
|
|
\
|
|
*((uint32_t *) outptr)++ = ch; \
|
|
}
|
|
#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 \
|
|
{ \
|
|
uint32_t ch = *((uint32_t *) inptr); \
|
|
\
|
|
if (ch <= L'\x7f') \
|
|
/* It's plain ASCII. */ \
|
|
*outptr++ = (unsigned char) ch; \
|
|
else \
|
|
{ \
|
|
size_t found; \
|
|
\
|
|
found = ucs4_to_gb2312 (ch, outptr, \
|
|
(NEED_LENGTH_TEST \
|
|
? outend - outptr : MAX_NEEDED_OUTPUT)); \
|
|
if (!NEED_LENGTH_TEST || found != 0) \
|
|
{ \
|
|
if (found == UNKNOWN_10646_CHAR) \
|
|
{ \
|
|
/* Illegal character. */ \
|
|
result = GCONV_ILLEGAL_INPUT; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* It's a GB 2312 character, adjust it for EUC-CN. */ \
|
|
*outptr++ += 0x80; \
|
|
*outptr++ += 0x80; \
|
|
} \
|
|
else \
|
|
{ \
|
|
/* We ran out of space. */ \
|
|
result = GCONV_FULL_OUTPUT; \
|
|
break; \
|
|
} \
|
|
} \
|
|
inptr += 4; \
|
|
}
|
|
#include <iconv/loop.c>
|
|
|
|
|
|
/* Now define the toplevel functions. */
|
|
#include <iconv/skeleton.c>
|