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
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD$");
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
44struct xlocale_messages {
45	struct xlocale_component header;
46	char *buffer;
47	struct lc_messages_T locale;
48};
49
50struct xlocale_messages __xlocale_global_messages;
51
52static char empty[] = "";
53
54static const struct lc_messages_T _C_messages_locale = {
55	"^[yY]" ,	/* yesexpr */
56	"^[nN]" ,	/* noexpr */
57	"yes" , 	/* yesstr */
58	"no"		/* nostr */
59};
60
61static 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
69static int
70messages_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}
87int
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}
93void *
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
105struct lc_messages_T *
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
114void
115msgdebug() {
116printf(	"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