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libiconv

    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: }