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Annotation of embedaddon/libiconv/lib/iso646_jp.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 1999-2001 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:  * ISO646-JP
                     23:  * also known as JIS_C6220-1969-RO
                     24:  */
                     25: 
                     26: /* This is the lower half of JIS_X0201. */
                     27: 
                     28: static int
                     29: iso646_jp_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
                     30: {
                     31:   unsigned char c = *s;
                     32:   if (c < 0x80) {
                     33:     if (c == 0x5c)
                     34:       *pwc = (ucs4_t) 0x00a5;
                     35:     else if (c == 0x7e)
                     36:       *pwc = (ucs4_t) 0x203e;
                     37:     else
                     38:       *pwc = (ucs4_t) c;
                     39:     return 1;
                     40:   }
                     41:   return RET_ILSEQ;
                     42: }
                     43: 
                     44: static int
                     45: iso646_jp_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
                     46: {
                     47:   if (wc < 0x0080 && !(wc == 0x005c || wc == 0x007e)) {
                     48:     *r = wc;
                     49:     return 1;
                     50:   }
                     51:   if (wc == 0x00a5) {
                     52:     *r = 0x5c;
                     53:     return 1;
                     54:   }
                     55:   if (wc == 0x203e) {
                     56:     *r = 0x7e;
                     57:     return 1;
                     58:   }
                     59:   return RET_ILUNI;
                     60: }