release/src/router/libiconv/lib/cp1162.h

   1 /*
   2  * Copyright (C) 1999-2002 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  * CP1162
  23  */
  24
  25 static int
  26 cp1162_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 {
  34     unsigned short wc = cp874_2uni[c-0x80];
  35     if (wc != 0xfffd) {
  36       *pwc = (ucs4_t) wc;
  37       return 1;
  38     }
  39     if (c < 0xa0) {
  40       *pwc = (ucs4_t) c;
  41       return 1;
  42     }
  43   }
  44   return RET_ILSEQ;
  45 }
  46
  47 static int
  48 cp1162_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  49 {
  50   unsigned char c = 0;
  51   if (wc < 0x0080) {
  52     *r = wc;
  53     return 1;
  54   }
  55   else if (wc >= 0x0080 && wc < 0x00a0 && cp874_2uni[wc-0x0080] == 0xfffd)
  56     c = wc;
  57   else if (wc == 0x00a0)
  58     c = 0xa0;
  59   else if (wc >= 0x0e00 && wc < 0x0e60)
  60     c = cp874_page0e[wc-0x0e00];
  61   else if (wc >= 0x2010 && wc < 0x2028)
  62     c = cp874_page20[wc-0x2010];
  63   else if (wc == 0x20ac)
  64     c = 0x80;
  65   if (c != 0) {
  66     *r = c;
  67     return 1;
  68   }
  69   return RET_ILUNI;
  70 }