1 /*-
2 * Copyright (c) 2002 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Copyright (c) 2011 The FreeBSD Foundation
6 * All rights reserved.
7 * Portions of this software were developed by David Chisnall
8 * under sponsorship from the FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: head/lib/libc/locale/wctrans.c 227753 2011-11-20 14:45:42Z theraven $
32 */
33
34
35 #include <errno.h>
36 #include <string.h>
37 #include <wctype.h>
38 #include "xlocale_private.h"
39
40 enum {
41 _WCT_ERROR = 0,
42 _WCT_TOLOWER = 1,
43 _WCT_TOUPPER = 2
44 };
45
46 wint_t
towctrans_l(wint_t wc,wctrans_t desc,locale_t locale)47 towctrans_l(wint_t wc, wctrans_t desc, locale_t locale)
48 {
49 switch (desc) {
50 case _WCT_TOLOWER:
51 wc = towlower_l(wc, locale);
52 break;
53 case _WCT_TOUPPER:
54 wc = towupper_l(wc, locale);
55 break;
56 case _WCT_ERROR:
57 default:
58 errno = EINVAL;
59 break;
60 }
61
62 return (wc);
63 }
64 wint_t
towctrans(wint_t wc,wctrans_t desc)65 towctrans(wint_t wc, wctrans_t desc)
66 {
67 return towctrans_l(wc, desc, __get_locale());
68 }
69
70 /*
71 * wctrans() calls this will a 0 locale. If this is ever modified to actually
72 * use the locale, wctrans() must be modified to call __get_locale().
73 */
74 wctrans_t
wctrans_l(const char * charclass,locale_t locale __unused)75 wctrans_l(const char *charclass, locale_t locale __unused)
76 {
77 struct {
78 const char *name;
79 wctrans_t trans;
80 } ccls[] = {
81 { "tolower", _WCT_TOLOWER },
82 { "toupper", _WCT_TOUPPER },
83 { NULL, _WCT_ERROR }, /* Default */
84 };
85 int i;
86
87 i = 0;
88 while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0)
89 i++;
90
91 if (ccls[i].trans == _WCT_ERROR)
92 errno = EINVAL;
93 return (ccls[i].trans);
94 }
95
96 wctrans_t
wctrans(const char * charclass)97 wctrans(const char *charclass)
98 {
99 return wctrans_l(charclass, 0);
100 }
101
102