blob: 2687f887fac78d8f04bceb80c744e45279a38f98 [file] [log] [blame]
/*
* Copyright (C) 1999-2001, 2007, 2016 Free Software Foundation, Inc.
* This file is part of the GNU LIBICONV Library.
*
* The GNU LIBICONV 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 LIBICONV 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 LIBICONV Library; see the file COPYING.LIB.
* If not, see <https://www.gnu.org/licenses/>.
*/
/*
* EUC-KR
*/
/* Specification: RFC 1557 */
static int
euc_kr_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
{
unsigned char c = *s;
/* Code set 0 (ASCII or KS C 5636-1993) */
if (c < 0x80)
return ascii_mbtowc(conv,pwc,s,n);
/* Code set 1 (KS C 5601-1992, now KS X 1001:2002) */
if (c >= 0xa1 && c < 0xff) {
if (n < 2)
return RET_TOOFEW(0);
{
unsigned char c2 = s[1];
if (c2 >= 0xa1 && c2 < 0xff) {
unsigned char buf[2];
buf[0] = c-0x80; buf[1] = c2-0x80;
return ksc5601_mbtowc(conv,pwc,buf,2);
} else
return RET_ILSEQ;
}
}
return RET_ILSEQ;
}
static int
euc_kr_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
{
unsigned char buf[2];
int ret;
/* Code set 0 (ASCII or KS C 5636-1993) */
ret = ascii_wctomb(conv,r,wc,n);
if (ret != RET_ILUNI)
return ret;
/* Code set 1 (KS C 5601-1992, now KS X 1001:2002) */
ret = ksc5601_wctomb(conv,buf,wc,2);
if (ret != RET_ILUNI) {
if (ret != 2) abort();
if (n < 2)
return RET_TOOSMALL;
r[0] = buf[0]+0x80;
r[1] = buf[1]+0x80;
return 2;
}
return RET_ILUNI;
}