glibc/iconvdata/euc-cn.c
Ulrich Drepper 85830c4c46 Update.
* iconv/gconv.h (__GCONV_IS_LAST, __GCONV_IGNORE_ERRORS): Define.
	(struct __gconv_step_data): Rename __is_last to __flags.
	* iconv/gconv_close.c: Change all uses of __is_last.
	* iconv/skeleton.c: Likewise.
	* iconvdata/iso-2022-cn.c: Likewise.
	* iconvdata/iso-2022-jp.c: Likewise.
	* iconvdata/iso-2022-kr.c: Likewise.
	* iconv/gconv_open.c: Likewise.  Avoid unneeded initializations.
	Recognize IGNORE error handling, set flag, and remove from name.
	* iconv/loop.c (ignore_errors_p): Define.
	Add flags parameter to both functions.
	* iconv/skeleton.c: Pass flags to all conversion functions.
	* iconv/gconv_simple.c: Add flags parameter to all functions.
	Don't return error for invald error if ignore flag is set.
	(ucs4_internal_loop_single): Add missing pointer increment.
	(internal_ucs4le_loop_single): Likewise.
	* iconv/iconv_prog.c: Implement handling of -c parameter.
	* iconvdata/8bit-gap.c: Don't return error for invald error if
	ignore flag is set.
	* iconvdata/8bit-generic.c: Likewise.
	* iconvdata/ansi_x3.110.c: Likewise.
	* iconvdata/big5.c: Likewise.
	* iconvdata/big5hkscs.c: Likewise.
	* iconvdata/euc-cn.c: Likewise.
	* iconvdata/euc-jp.c: Likewise.
	* iconvdata/euc-kr.c: Likewise.
	* iconvdata/gbgbk.c: Likewise.
	* iconvdata/gbk.c: Likewise.
	* iconvdata/iso-2022-cn.c: Likewise.
	* iconvdata/iso-2022-jp.c: Likewise.
	* iconvdata/iso-2022-kr.c: Likewise.
	* iconvdata/iso646.c: Likewise.
	* iconvdata/iso8859-1.c: Likewise.
	* iconvdata/iso_6937-2.c: Likewise.
	* iconvdata/iso_6937.c: Likewise.
	* iconvdata/johab.c: Likewise.
	* iconvdata/sjis.c: Likewise.
	* iconvdata/t.61.c: Likewise.
	* iconvdata/uhc.c: Likewise.
	* iconvdata/unicode.c: Likewise.
	* iconvdata/utf-16.c: Likewise.
	* libio/fileops.c: Likewise.
	* libio/iofwide.c: Likewise.
	* wcsmbs/btowc.c: Likewise.
	* wcsmbs/mbrtowc.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wctob.c: Likewise.

	* iconvdata/ksc5601.h (ksc5601_to_ucs4): Undo *s change in all cases of
2000-06-06 03:16:30 +00:00

172 lines
5.5 KiB
C

/* Mapping tables for EUC-CN handling.
Copyright (C) 1998, 1999, 2000 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 EUC-CN 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 != 0x8e && ch != 0x8f) || ch > 0xfe) \
{ \
/* This is illegal. */ \
if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
++inptr; \
++*converted; \
continue; \
} \
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) \
{ \
if (! ignore_errors_p ()) \
{ \
/* This is an illegal character. */ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
++inptr; \
++*converted; \
continue; \
} \
\
/* 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. */ \
if (! ignore_errors_p ()) \
{ \
/* This is an illegal character. */ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
inptr += 2; \
++*converted; \
continue; \
} \
\
inptr += 2; \
} \
\
put32 (outptr, ch); \
outptr += 4; \
}
#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 = get32 (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. */ \
if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
inptr += 4; \
++*converted; \
continue; \
} \
\
/* 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>