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glibc/iconvdata/euc-kr.c
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/* Mapping tables for EUC-KR handling. | |
Copyright (C) 1998-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Jungshik Shin <jshin@pantheon.yale.edu> | |
and 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 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, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <dlfcn.h> | |
#include <stdint.h> | |
#include <ksc5601.h> | |
static inline void | |
__attribute ((always_inline)) | |
euckr_from_ucs4 (uint32_t ch, unsigned char *cp) | |
{ | |
if (ch > 0x9f) | |
{ | |
if (__builtin_expect (ch, 0) == 0x20a9) | |
{ | |
/* Half-width Korean Currency WON sign. There is no | |
equivalent in EUC-KR. Some mappings use \x5c because | |
this is what some old Korean ASCII variants used but this | |
is causing problems. We map it to the FULL WIDTH WON SIGN. */ | |
cp[0] = '\xa3'; | |
cp[1] = '\xdc'; | |
} | |
else if (__builtin_expect (ucs4_to_ksc5601 (ch, cp, 2), 0) | |
!= __UNKNOWN_10646_CHAR) | |
{ | |
cp[0] |= 0x80; | |
cp[1] |= 0x80; | |
} | |
else | |
cp[0] = cp[1] = '\0'; | |
} | |
else | |
{ | |
/* There is no mapping for U005c but we nevertheless map it to | |
\x5c. */ | |
cp[0] = (unsigned char) ch; | |
cp[1] = '\0'; | |
} | |
} | |
/* Definitions used in the body of the `gconv' function. */ | |
#define CHARSET_NAME "EUC-KR//" | |
#define FROM_LOOP from_euc_kr | |
#define TO_LOOP to_euc_kr | |
#define DEFINE_INIT 1 | |
#define DEFINE_FINI 1 | |
#define MIN_NEEDED_FROM 1 | |
#define MAX_NEEDED_FROM 2 | |
#define MIN_NEEDED_TO 4 | |
#define ONE_DIRECTION 0 | |
/* First define the conversion function from EUC-KR 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 <= 0x9f) \ | |
++inptr; \ | |
/* 0xfe(->0x7e : row 94) and 0xc9(->0x59 : row 41) are \ | |
user-defined areas. */ \ | |
else if (__builtin_expect (ch == 0xa0, 0) \ | |
|| __builtin_expect (ch > 0xfe, 0) \ | |
|| __builtin_expect (ch == 0xc9, 0)) \ | |
{ \ | |
/* This is illegal. */ \ | |
STANDARD_FROM_LOOP_ERR_HANDLER (1); \ | |
} \ | |
else \ | |
{ \ | |
/* Two-byte character. First test whether the next byte \ | |
is also available. */ \ | |
ch = ksc5601_to_ucs4 (&inptr, inend - inptr, 0x80); \ | |
if (__glibc_unlikely (ch == 0)) \ | |
{ \ | |
/* The second byte is not available. */ \ | |
result = __GCONV_INCOMPLETE_INPUT; \ | |
break; \ | |
} \ | |
if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \ | |
/* This is an illegal character. */ \ | |
STANDARD_FROM_LOOP_ERR_HANDLER (2); \ | |
} \ | |
\ | |
put32 (outptr, ch); \ | |
outptr += 4; \ | |
} | |
#define LOOP_NEED_FLAGS | |
#define ONEBYTE_BODY \ | |
{ \ | |
if (c <= 0x9f) \ | |
return c; \ | |
else \ | |
return WEOF; \ | |
} | |
#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); \ | |
unsigned char cp[2]; \ | |
\ | |
/* Decomposing Hangul syllables not available in KS C 5601 into \ | |
Jamos should be considered either here or in euckr_from_ucs4() */ \ | |
euckr_from_ucs4 (ch, cp); \ | |
\ | |
if (__builtin_expect (cp[0], '\1') == '\0' && ch != 0) \ | |
{ \ | |
UNICODE_TAG_HANDLER (ch, 4); \ | |
\ | |
/* Illegal character. */ \ | |
STANDARD_TO_LOOP_ERR_HANDLER (4); \ | |
} \ | |
\ | |
*outptr++ = cp[0]; \ | |
/* Now test for a possible second byte and write this if possible. */ \ | |
if (cp[1] != '\0') \ | |
{ \ | |
if (__glibc_unlikely (outptr >= outend)) \ | |
{ \ | |
/* The result does not fit into the buffer. */ \ | |
--outptr; \ | |
result = __GCONV_FULL_OUTPUT; \ | |
break; \ | |
} \ | |
*outptr++ = cp[1]; \ | |
} \ | |
\ | |
inptr += 4; \ | |
} | |
#define LOOP_NEED_FLAGS | |
#include <iconv/loop.c> | |
/* Now define the toplevel functions. */ | |
#include <iconv/skeleton.c> |