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 <stddef.h>
35
36 #include "ldpart.h"
37 #include "lmessages.h"
38
39 #define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
40 #define LCMESSAGES_SIZE_MIN \
41 (offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
42
43 struct xlocale_messages {
44 struct xlocale_component header;
45 char *buffer;
46 struct lc_messages_T locale;
47 };
48
49 struct xlocale_messages __xlocale_global_messages;
50
51 static char empty[] = "";
52
53 static const struct lc_messages_T _C_messages_locale = {
54 "^[yY]" , /* yesexpr */
55 "^[nN]" , /* noexpr */
56 "yes" , /* yesstr */
57 "no" /* nostr */
58 };
59
60 static void
destruct_messages(void * v)61 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,
71 const char *name)
72 {
73 int ret;
74 struct lc_messages_T *l = &loc->locale;
75
76 ret = __part_load_locale(name, using_locale,
77 &loc->buffer, "LC_MESSAGES",
78 LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
79 (const char **)l);
80 if (ret == _LDP_LOADED) {
81 if (l->yesstr == NULL)
82 l->yesstr = empty;
83 if (l->nostr == NULL)
84 l->nostr = empty;
85 }
86 return (ret);
87 }
88
89 int
__messages_load_locale(const char * name)90 __messages_load_locale(const char *name)
91 {
92 return (messages_load_locale(&__xlocale_global_messages,
93 &__xlocale_global_locale.using_messages_locale, name));
94 }
95
96 void *
__messages_load(const char * name,locale_t l)97 __messages_load(const char *name, locale_t l)
98 {
99 struct xlocale_messages *new = calloc(sizeof(struct xlocale_messages),
100 1);
101 if (new == NULL)
102 return (NULL);
103 new->header.header.destructor = destruct_messages;
104 if (messages_load_locale(new, &l->using_messages_locale, name) ==
105 _LDP_ERROR) {
106 xlocale_release(new);
107 return (NULL);
108 }
109 return (new);
110 }
111
112 struct lc_messages_T *
__get_current_messages_locale(locale_t loc)113 __get_current_messages_locale(locale_t loc)
114 {
115 return (loc->using_messages_locale ? &((struct xlocale_messages *)
116 loc->components[XLC_MESSAGES])->locale :
117 (struct lc_messages_T *)&_C_messages_locale);
118 }
119
120 #ifdef LOCALE_DEBUG
121 void
msgdebug(void)122 msgdebug(void) {
123 printf( "yesexpr = %s\n"
124 "noexpr = %s\n"
125 "yesstr = %s\n"
126 "nostr = %s\n",
127 _messages_locale.yesexpr,
128 _messages_locale.noexpr,
129 _messages_locale.yesstr,
130 _messages_locale.nostr
131 );
132 }
133 #endif /* LOCALE_DEBUG */
134