xref: /haiku/src/libs/iconv/cp858.h (revision aef5731f38da6f7b913e0f64acd8a40555491ce5)
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  * CP858
23  */
24 
25 static int
cp858_mbtowc(conv_t conv,ucs4_t * pwc,const unsigned char * s,int n)26 cp858_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   else if (c == 0xd5)
32     *pwc = 0x20ac;
33   else
34     *pwc = (ucs4_t) cp850_2uni[c-0x80];
35   return 1;
36 }
37 
38 static int
cp858_wctomb(conv_t conv,unsigned char * r,ucs4_t wc,int n)39 cp858_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
40 {
41   unsigned char c = 0;
42   if (wc < 0x0080) {
43     *r = wc;
44     return 1;
45   }
46   else if (wc >= 0x00a0 && wc < 0x0100)
47     c = cp850_page00[wc-0x00a0];
48   else if (wc == 0x0192)
49     c = 0x9f;
50   else if (wc == 0x2017)
51     c = 0xf2;
52   else if (wc == 0x20ac)
53     c = 0xd5;
54   else if (wc >= 0x2500 && wc < 0x25a8)
55     c = cp850_page25[wc-0x2500];
56   if (c != 0) {
57     *r = c;
58     return 1;
59   }
60   return RET_ILUNI;
61 }
62