Return to euc_kr.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / libiconv / lib

libiconv

    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: }