lmessages.c revision 101470 
1/*
2 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/lib/libc/locale/lmessages.c 101470 2002-08-07 16:45:23Z ache $");
29
30#include <stddef.h>
31
32#include "lmessages.h"
33#include "ldpart.h"
34
35#define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
36#define LCMESSAGES_SIZE_MIN \
37		(offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
38
39static char empty[] = "";
40
41static const struct lc_messages_T _C_messages_locale = {
42	"^[yY]" ,	/* yesexpr */
43	"^[nN]" ,	/* noexpr */
44	"yes" , 	/* yesstr */
45	"no"		/* nostr */
46};
47
48static struct lc_messages_T _messages_locale;
49static int	_messages_using_locale;
50static char	*_messages_locale_buf;
51
52int
53__messages_load_locale(const char *name)
54{
55	/*
56	 * Propose that we can have incomplete locale file (w/o "{yes,no}str").
57	 * Initialize them before loading.  In case of complete locale, they'll
58	 * be initialized to loaded value, otherwise they'll not be touched.
59	 */
60	_messages_locale.yesstr = empty;
61	_messages_locale.nostr = empty;
62
63	return __part_load_locale(name, &_messages_using_locale,
64		_messages_locale_buf, "LC_MESSAGES",
65		LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
66		(const char **)&_messages_locale);
67}
68
69struct lc_messages_T *
70__get_current_messages_locale(void)
71{
72	return (_messages_using_locale
73		? &_messages_locale
74		: (struct lc_messages_T *)&_C_messages_locale);
75}
76
77#ifdef LOCALE_DEBUG
78void
79msgdebug() {
80printf(	"yesexpr = %s\n"
81	"noexpr = %s\n"
82	"yesstr = %s\n"
83	"nostr = %s\n",
84	_messages_locale.yesexpr,
85	_messages_locale.noexpr,
86	_messages_locale.yesstr,
87	_messages_locale.nostr
88);
89}
90#endif /* LOCALE_DEBUG */
91