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libiconv 1.16

    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 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, see <https://www.gnu.org/licenses/>.
   18:  */
   19: 
   20: /*
   21:  * CP1162
   22:  */
   23: 
   24: static int
   25: cp1162_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:     return 1;
   31:   }
   32:   else {
   33:     unsigned short wc = cp874_2uni[c-0x80];
   34:     if (wc != 0xfffd) {
   35:       *pwc = (ucs4_t) wc;
   36:       return 1;
   37:     }
   38:     if (c < 0xa0) {
   39:       *pwc = (ucs4_t) c;
   40:       return 1;
   41:     }
   42:   }
   43:   return RET_ILSEQ;
   44: }
   45: 
   46: static int
   47: cp1162_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
   48: {
   49:   unsigned char c = 0;
   50:   if (wc < 0x0080) {
   51:     *r = wc;
   52:     return 1;
   53:   }
   54:   else if (wc >= 0x0080 && wc < 0x00a0 && cp874_2uni[wc-0x0080] == 0xfffd)
   55:     c = wc;
   56:   else if (wc == 0x00a0)
   57:     c = 0xa0;
   58:   else if (wc >= 0x0e00 && wc < 0x0e60)
   59:     c = cp874_page0e[wc-0x0e00];
   60:   else if (wc >= 0x2010 && wc < 0x2028)
   61:     c = cp874_page20[wc-0x2010];
   62:   else if (wc == 0x20ac)
   63:     c = 0x80;
   64:   if (c != 0) {
   65:     *r = c;
   66:     return 1;
   67:   }
   68:   return RET_ILUNI;
   69: }