1 /* 2 * Copyright (C) 1999-2001, 2007 Free Software Foundation, Inc. 3 * This file is part of the GNU LIBICONV Library. 4 * 5 * The GNU LIBICONV Library is free software; you can redistribute it 6 * and/or modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either version 2 8 * of the License, or (at your option) any later version. 9 * 10 * The GNU LIBICONV Library is distributed in the hope that it will be 11 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with the GNU LIBICONV Library; see the file COPYING.LIB. 17 * If not, write to the Free Software Foundation, Inc., 51 Franklin Street, 18 * Fifth Floor, Boston, MA 02110-1301, USA. 19 */ 20 21 /* 22 * EUC-KR 23 */ 24 25 /* Specification: RFC 1557 */ 26 27 static int 28 euc_kr_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) 29 { 30 unsigned char c = *s; 31 /* Code set 0 (ASCII or KS C 5636-1993) */ 32 if (c < 0x80) 33 return ascii_mbtowc(conv,pwc,s,n); 34 /* Code set 1 (KS C 5601-1992, now KS X 1001:2002) */ 35 if (c >= 0xa1 && c < 0xff) { 36 if (n < 2) 37 return RET_TOOFEW(0); 38 { 39 unsigned char c2 = s[1]; 40 if (c2 >= 0xa1 && c2 < 0xff) { 41 unsigned char buf[2]; 42 buf[0] = c-0x80; buf[1] = c2-0x80; 43 return ksc5601_mbtowc(conv,pwc,buf,2); 44 } else 45 return RET_ILSEQ; 46 } 47 } 48 return RET_ILSEQ; 49 } 50 51 static int 52 euc_kr_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) 53 { 54 unsigned char buf[2]; 55 int ret; 56 57 /* Code set 0 (ASCII or KS C 5636-1993) */ 58 ret = ascii_wctomb(conv,r,wc,n); 59 if (ret != RET_ILUNI) 60 return ret; 61 62 /* Code set 1 (KS C 5601-1992, now KS X 1001:2002) */ 63 ret = ksc5601_wctomb(conv,buf,wc,2); 64 if (ret != RET_ILUNI) { 65 if (ret != 2) abort(); 66 if (n < 2) 67 return RET_TOOSMALL; 68 r[0] = buf[0]+0x80; 69 r[1] = buf[1]+0x80; 70 return 2; 71 } 72 73 return RET_ILUNI; 74 } 75