lib/cp858.h

   1 /*
   2  * Copyright (C) 1999-2002, 2016 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 Lesser General Public
   7  * License as published by the Free Software Foundation; either version 2.1
   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  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  17  * If not, see <https://www.gnu.org/licenses/>.
  18  */
  19
  20 /*
  21  * CP858
  22  */
  23
  24 static int
  25 cp858_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
  26 {
  27   unsigned char c = *s;
  28   if (c < 0x80)
  29     *pwc = (ucs4_t) c;
  30   else if (c == 0xd5)
  31     *pwc = 0x20ac;
  32   else
  33     *pwc = (ucs4_t) cp850_2uni[c-0x80];
  34   return 1;
  35 }
  36
  37 static int
  38 cp858_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
  39 {
  40   unsigned char c = 0;
  41   if (wc < 0x0080) {
  42     *r = wc;
  43     return 1;
  44   }
  45   else if (wc >= 0x00a0 && wc < 0x0100)
  46     c = cp850_page00[wc-0x00a0];
  47   else if (wc == 0x0192)
  48     c = 0x9f;
  49   else if (wc == 0x2017)
  50     c = 0xf2;
  51   else if (wc == 0x20ac)
  52     c = 0xd5;
  53   else if (wc >= 0x2500 && wc < 0x25a8)
  54     c = cp850_page25[wc-0x2500];
  55   if (c != 0) {
  56     *r = c;
  57     return 1;
  58   }
  59   return RET_ILUNI;
  60 }