1 /*
2 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
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/lmessages.c 227753 2011-11-20 14:45:42Z theraven $
32 */
33
34
35 #include <stddef.h>
36
37 #include "ldpart.h"
38 #include "lmessages.h"
39
40 #define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
41 #define LCMESSAGES_SIZE_MIN \
42 (offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
43
44 struct xlocale_messages {
45 struct xlocale_component header;
46 char *buffer;
47 struct lc_messages_T locale;
48 };
49
50 struct xlocale_messages __xlocale_global_messages;
51
52 static char empty[] = "";
53
54 static const struct lc_messages_T _C_messages_locale = {
55 "^[yY]" , /* yesexpr */
56 "^[nN]" , /* noexpr */
57 "yes" , /* yesstr */
58 "no" /* nostr */
59 };
60
destruct_messages(void * v)61 static void destruct_messages(void *v)
62 {
63 struct xlocale_messages *l = v;
64 if (l->buffer)
65 free(l->buffer);
66 free(l);
67 }
68
69 static int
messages_load_locale(struct xlocale_messages * loc,int * using_locale,const char * name)70 messages_load_locale(struct xlocale_messages *loc, int *using_locale, const char *name)
71 {
72 int ret;
73 struct lc_messages_T *l = &loc->locale;
74
75 ret = __part_load_locale(name, using_locale,
76 &loc->buffer, "LC_MESSAGES",
77 LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
78 (const char **)l);
79 if (ret == _LDP_LOADED) {
80 if (l->yesstr == NULL)
81 l->yesstr = empty;
82 if (l->nostr == NULL)
83 l->nostr = empty;
84 }
85 return (ret);
86 }
87 int
__messages_load_locale(const char * name)88 __messages_load_locale(const char *name)
89 {
90 return messages_load_locale(&__xlocale_global_messages,
91 &__xlocale_global_locale.using_messages_locale, name);
92 }
93 void *
__messages_load(const char * name,locale_t l)94 __messages_load(const char *name, locale_t l)
95 {
96 struct xlocale_messages *new = calloc(sizeof(struct xlocale_messages), 1);
97 new->header.header.destructor = destruct_messages;
98 if (messages_load_locale(new, &l->using_messages_locale, name) == _LDP_ERROR) {
99 xlocale_release(new);
100 return NULL;
101 }
102 return new;
103 }
104
105 struct lc_messages_T *
__get_current_messages_locale(locale_t loc)106 __get_current_messages_locale(locale_t loc)
107 {
108 return (loc->using_messages_locale
109 ? &((struct xlocale_messages *)loc->components[XLC_MESSAGES])->locale
110 : (struct lc_messages_T *)&_C_messages_locale);
111 }
112
113 #ifdef LOCALE_DEBUG
114 void
msgdebug()115 msgdebug() {
116 printf( "yesexpr = %s\n"
117 "noexpr = %s\n"
118 "yesstr = %s\n"
119 "nostr = %s\n",
120 _messages_locale.yesexpr,
121 _messages_locale.noexpr,
122 _messages_locale.yesstr,
123 _messages_locale.nostr
124 );
125 }
126 #endif /* LOCALE_DEBUG */
127