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5b2abdfb 1/*-
9385eb3d 2 * Copyright (c) 2002 Tim J. Robbins.
5b2abdfb
A
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
5b2abdfb
A
25 */
26
9385eb3d 27#include <sys/cdefs.h>
3d9156a7 28__FBSDID("$FreeBSD: src/lib/libc/locale/wctrans.c,v 1.3 2003/11/01 08:20:58 tjr Exp $");
9385eb3d 29
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A
30#include <errno.h>
31#include <string.h>
32#include <wctype.h>
33
34enum {
35 _WCT_ERROR = 0,
36 _WCT_TOLOWER = 1,
37 _WCT_TOUPPER = 2
38};
39
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A
40wint_t
41towctrans(wint_t wc, wctrans_t desc)
42{
43
44 switch (desc) {
45 case _WCT_TOLOWER:
46 wc = towlower(wc);
47 break;
48 case _WCT_TOUPPER:
49 wc = towupper(wc);
50 break;
51 case _WCT_ERROR:
52 default:
53 errno = EINVAL;
54 break;
55 }
56
57 return (wc);
58}
5b2abdfb 59
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A
60wctrans_t
61wctrans(const char *charclass)
62{
63 struct {
64 const char *name;
65 wctrans_t trans;
66 } ccls[] = {
67 { "tolower", _WCT_TOLOWER },
68 { "toupper", _WCT_TOUPPER },
69 { NULL, _WCT_ERROR }, /* Default */
70 };
71 int i;
5b2abdfb 72
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73 i = 0;
74 while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0)
75 i++;
5b2abdfb 76
9385eb3d
A
77 if (ccls[i].trans == _WCT_ERROR)
78 errno = EINVAL;
79 return (ccls[i].trans);
80}