1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Copyright (c) 2011 The FreeBSD Foundation
8 *
9 * Portions of this software were developed by David Chisnall
10 * under sponsorship from the FreeBSD Foundation.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #include <sys/cdefs.h>
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
61 static void
destruct_messages(void * v)62 destruct_messages(void *v)
63 {
64 struct xlocale_messages *l = v;
65 if (l->buffer)
66 free(l->buffer);
67 free(l);
68 }
69
70 static int
messages_load_locale(struct xlocale_messages * loc,int * using_locale,const char * name)71 messages_load_locale(struct xlocale_messages *loc, int *using_locale,
72 const char *name)
73 {
74 int ret;
75 struct lc_messages_T *l = &loc->locale;
76
77 ret = __part_load_locale(name, using_locale,
78 &loc->buffer, "LC_MESSAGES",
79 LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
80 (const char **)l);
81 if (ret == _LDP_LOADED) {
82 if (l->yesstr == NULL)
83 l->yesstr = empty;
84 if (l->nostr == NULL)
85 l->nostr = empty;
86 }
87 return (ret);
88 }
89
90 int
__messages_load_locale(const char * name)91 __messages_load_locale(const char *name)
92 {
93 return (messages_load_locale(&__xlocale_global_messages,
94 &__xlocale_global_locale.using_messages_locale, name));
95 }
96
97 void *
__messages_load(const char * name,locale_t l)98 __messages_load(const char *name, locale_t l)
99 {
100 struct xlocale_messages *new = calloc(sizeof(struct xlocale_messages),
101 1);
102 if (new == NULL)
103 return (NULL);
104 new->header.header.destructor = destruct_messages;
105 if (messages_load_locale(new, &l->using_messages_locale, name) ==
106 _LDP_ERROR) {
107 xlocale_release(new);
108 return (NULL);
109 }
110 return (new);
111 }
112
113 struct lc_messages_T *
__get_current_messages_locale(locale_t loc)114 __get_current_messages_locale(locale_t loc)
115 {
116 return (loc->using_messages_locale ? &((struct xlocale_messages *)
117 loc->components[XLC_MESSAGES])->locale :
118 (struct lc_messages_T *)&_C_messages_locale);
119 }
120
121 #ifdef LOCALE_DEBUG
122 void
msgdebug(void)123 msgdebug(void) {
124 printf( "yesexpr = %s\n"
125 "noexpr = %s\n"
126 "yesstr = %s\n"
127 "nostr = %s\n",
128 _messages_locale.yesexpr,
129 _messages_locale.noexpr,
130 _messages_locale.yesstr,
131 _messages_locale.nostr
132 );
133 }
134 #endif /* LOCALE_DEBUG */
135