1 /* $NetBSD: generic_lc_all.c,v 1.5 2013/04/14 23:30:16 joerg Exp $ */
2
3 /*-
4 * Copyright (c)2008 Citrus Project,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 #if defined(LIBC_SCCS) && !defined(lint)
31 __RCSID("$NetBSD: generic_lc_all.c,v 1.5 2013/04/14 23:30:16 joerg Exp $");
32 #endif /* LIBC_SCCS and not lint */
33
34 #include <sys/types.h>
35 #include <assert.h>
36 #include <langinfo.h>
37 #define __SETLOCALE_SOURCE__
38 #include <locale.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42
43 #include "setlocale_local.h"
44
45 /*
46 * macro required by all template headers
47 */
48 #define _PREFIX(name) __CONCAT(_generic_LC_ALL_, name)
49
50 #include "generic_lc_template_decl.h"
51
52 const char *
_generic_LC_ALL_setlocale(const char * __restrict name,struct _locale * __restrict locale)53 _generic_LC_ALL_setlocale(const char * __restrict name,
54 struct _locale * __restrict locale)
55 {
56 _locale_set_t sl;
57 char head[_LOCALENAME_LEN_MAX * (_LC_LAST - 1)], *tail;
58 const char *tokens[_LC_LAST], *s, *t;
59 int load_locale_success, i, j;
60
61 sl = _find_category(1);
62 _DIAGASSERT(sl != NULL);
63 load_locale_success = 0;
64 if (name != NULL) {
65 strlcpy(&head[0], name, sizeof(head));
66 tokens[1] = &head[0];
67 tail = strchr(tokens[1], '/');
68 if (tail == NULL) {
69 for (i = 2; i < _LC_LAST; ++i)
70 tokens[i] = tokens[1];
71 } else {
72 *tail++ = '\0';
73 for (i = 2; i < _LC_LAST - 1; ++i) {
74 tokens[i] = (const char *)tail;
75 tail = strchr(tokens[i], '/');
76 if (tail == NULL)
77 return NULL;
78 *tail++ = '\0';
79 }
80 tokens[_LC_LAST - 1] = (const char *)tail;
81 tail = strchr(tokens[i], '/');
82 if (tail != NULL)
83 return NULL;
84 }
85 if ((*sl)(tokens[1], locale) != NULL)
86 load_locale_success = 1;
87 }
88 s = (*sl)(NULL, locale);
89 _DIAGASSERT(s != NULL);
90 strlcpy(&locale->query[0], s, sizeof(locale->query));
91 for (i = 2, j = 0; i < _LC_LAST; ++i) {
92 sl = _find_category(i);
93 _DIAGASSERT(sl != NULL);
94 if (name != NULL) {
95 if ((*sl)(tokens[i], locale) != NULL)
96 load_locale_success = 1;
97 }
98 t = (*sl)(NULL, locale);
99 _DIAGASSERT(t != NULL);
100 if (j == 0) {
101 if (!strcmp(s, t))
102 continue;
103 for (j = 2; j < i; ++j) {
104 strlcat(&locale->query[0], "/",
105 sizeof(locale->query));
106 strlcat(&locale->query[0], s,
107 sizeof(locale->query));
108 }
109 }
110 strlcat(&locale->query[0], "/", sizeof(locale->query));
111 strlcat(&locale->query[0], t, sizeof(locale->query));
112 }
113 if (name != NULL && !load_locale_success)
114 return NULL;
115 return (const char *)&locale->query[0];
116 }
117
118