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libiconv

    1: /*
    2:  * Copyright (C) 1999-2001 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:  * TIS620.2533-1
   23:  */
   24: 
   25: static int
   26: tis620_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
   27: {
   28:   unsigned char c = *s;
   29:   if (c < 0x80) {
   30:     *pwc = (ucs4_t) c;
   31:     return 1;
   32:   }
   33:   else if (c >= 0xa1 && c <= 0xfb && !(c >= 0xdb && c <= 0xde)) {
   34:     *pwc = (ucs4_t) (c + 0x0d60);
   35:     return 1;
   36:   }
   37:   return RET_ILSEQ;
   38: }
   39: 
   40: static int
   41: tis620_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
   42: {
   43:   if (wc < 0x0080) {
   44:     *r = wc;
   45:     return 1;
   46:   }
   47:   else if (wc >= 0x0e01 && wc <= 0x0e5b && !(wc >= 0x0e3b && wc <= 0x0e3e)) {
   48:     *r = wc-0x0d60;
   49:     return 1;
   50:   }
   51:   return RET_ILUNI;
   52: }