| /* Mapping tables for EUC-KR handling. |
| Copyright (C) 1998 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 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 <stdint.h> |
| #include <ksc5601.h> |
| |
| |
| static inline void |
| euckr_from_ucs4 (uint32_t ch, unsigned char *cp) |
| { |
| if (ch > 0x7f) |
| { |
| if (ucs4_to_ksc5601 (ch, cp, 2) != UNKNOWN_10646_CHAR) |
| { |
| cp[0] |= 0x80; |
| cp[1] |= 0x80; |
| } |
| } |
| /* XXX Think about 0x5c ; '\'. */ |
| else |
| { |
| 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 |
| |
| |
| /* 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; \ |
| \ |
| /* Half-width Korean Currency WON sign \ |
| \ |
| if (inchar == 0x5c) \ |
| ch = 0x20a9; \ |
| else if (inchar <= 0x7f) \ |
| ch = (uint32_t) inchar; \ |
| */ \ |
| \ |
| if (ch <= 0x7f) \ |
| /* Plain ASCII. */ \ |
| ++inptr; \ |
| /* 0xfe(->0x7e : row 94) and 0xc9(->0x59 : row 41) are \ |
| user-defined areas. */ \ |
| else if (ch <= 0xa0 || ch > 0xfe || ch == 0xc9) \ |
| { \ |
| /* This is illegal. */ \ |
| result = GCONV_ILLEGAL_INPUT; \ |
| break; \ |
| } \ |
| else \ |
| { \ |
| /* Two-byte character. First test whether the next character \ |
| is also available. */ \ |
| ch = ksc5601_to_ucs4 (&inptr, \ |
| NEED_LENGTH_TEST ? inptr - inend : 2, 0x80); \ |
| if (NEED_LENGTH_TEST && ch == 0) \ |
| { \ |
| /* The second character is not available. */ \ |
| result = GCONV_INCOMPLETE_INPUT; \ |
| break; \ |
| } \ |
| if (ch == UNKNOWN_10646_CHAR) \ |
| { \ |
| /* This is an illegal character. */ \ |
| result = GCONV_ILLEGAL_INPUT; \ |
| break; \ |
| } \ |
| } \ |
| \ |
| *((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); \ |
| 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 (cp[0] == '\0' && ch != 0) \ |
| { \ |
| /* Illegal character. */ \ |
| result = GCONV_ILLEGAL_INPUT; \ |
| break; \ |
| } \ |
| \ |
| *outptr++ = cp[0]; \ |
| /* Now test for a possible second byte and write this if possible. */ \ |
| if (cp[1] != '\0') \ |
| { \ |
| if (NEED_LENGTH_TEST && outptr >= outend) \ |
| { \ |
| /* The result does not fit into the buffer. */ \ |
| --outptr; \ |
| result = GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| *outptr++ = cp[1]; \ |
| } \ |
| \ |
| inptr += 4; \ |
| } |
| #include <iconv/loop.c> |
| |
| |
| /* Now define the toplevel functions. */ |
| #include <iconv/skeleton.c> |