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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:  * CP1163
   23:  */
   24: 
   25: static int
   26: cp1163_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
   27: {
   28:   unsigned char c = *s;
   29:   if (c < 0xa0)
   30:     *pwc = (ucs4_t) c;
   31:   else if (c == 0xa4)
   32:     *pwc = 0x20ac;
   33:   else
   34:     *pwc = (ucs4_t) cp1129_2uni[c-0xa0];
   35:   return 1;
   36: }
   37: 
   38: static const unsigned char cp1163_page20[8] = {
   39:   0x00, 0x00, 0x00, 0xfe, 0xa4, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
   40: };
   41: 
   42: static int
   43: cp1163_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
   44: {
   45:   unsigned char c = 0;
   46:   if (wc < 0x00a0 || (wc < 0x00a8 && wc != 0x00a4) || wc == 0x00d0) {
   47:     *r = wc;
   48:     return 1;
   49:   }
   50:   else if (wc >= 0x00a8 && wc < 0x01b8)
   51:     c = cp1129_page00[wc-0x00a8];
   52:   else if (wc >= 0x0300 && wc < 0x0328)
   53:     c = cp1129_page03[wc-0x0300];
   54:   else if (wc == 0x203e)
   55:     c = 0xaf;
   56:   else if (wc >= 0x20a8 && wc < 0x20b0)
   57:     c = cp1163_page20[wc-0x20a8];
   58:   if (c != 0) {
   59:     *r = c;
   60:     return 1;
   61:   }
   62:   return RET_ILUNI;
   63: }