1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Copyright (c) 2011 The FreeBSD Foundation
8 * All rights reserved.
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__FBSDID("$FreeBSD$");
36
37#include <stddef.h>
38
39#include "ldpart.h"
40#include "lmessages.h"
41
42#define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
43#define LCMESSAGES_SIZE_MIN \
44		(offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
45
46struct xlocale_messages {
47	struct xlocale_component header;
48	char *buffer;
49	struct lc_messages_T locale;
50};
51
52struct xlocale_messages __xlocale_global_messages;
53
54static char empty[] = "";
55
56static const struct lc_messages_T _C_messages_locale = {
57	"^[yY]" ,	/* yesexpr */
58	"^[nN]" ,	/* noexpr */
59	"yes" , 	/* yesstr */
60	"no"		/* nostr */
61};
62
63static void destruct_messages(void *v)
64{
65	struct xlocale_messages *l = v;
66	if (l->buffer)
67		free(l->buffer);
68	free(l);
69}
70
71static int
72messages_load_locale(struct xlocale_messages *loc, int *using_locale, 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}
89int
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}
95void *
96__messages_load(const char *name, locale_t l)
97{
98	struct xlocale_messages *new = calloc(sizeof(struct xlocale_messages), 1);
99	new->header.header.destructor = destruct_messages;
100	if (messages_load_locale(new, &l->using_messages_locale, name) == _LDP_ERROR) {
101		xlocale_release(new);
102		return NULL;
103	}
104	return new;
105}
106
107struct lc_messages_T *
108__get_current_messages_locale(locale_t loc)
109{
110	return (loc->using_messages_locale
111		? &((struct xlocale_messages *)loc->components[XLC_MESSAGES])->locale
112		: (struct lc_messages_T *)&_C_messages_locale);
113}
114
115#ifdef LOCALE_DEBUG
116void
117msgdebug() {
118printf(	"yesexpr = %s\n"
119	"noexpr = %s\n"
120	"yesstr = %s\n"
121	"nostr = %s\n",
122	_messages_locale.yesexpr,
123	_messages_locale.noexpr,
124	_messages_locale.yesstr,
125	_messages_locale.nostr
126);
127}
128#endif /* LOCALE_DEBUG */
129