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
43struct xlocale_messages {
44	struct xlocale_component header;
45	char *buffer;
46	struct lc_messages_T locale;
47};
48
49struct xlocale_messages __xlocale_global_messages;
50
51static char empty[] = "";
52
53static const struct lc_messages_T _C_messages_locale = {
54	"^[yY]" ,	/* yesexpr */
55	"^[nN]" ,	/* noexpr */
56	"yes" , 	/* yesstr */
57	"no"		/* nostr */
58};
59
60static void
61destruct_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,
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
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}
95
96void *
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
112struct lc_messages_T *
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
121void
122msgdebug(void) {
123printf(	"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