lmessages.c revision 72976 
1/*
2 * Copyright (c) 2001 Alexey Zelkin
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 * $FreeBSD: head/lib/libc/locale/lmessages.c 72976 2001-02-24 13:13:48Z phantom $
27 */
28
29#include <stddef.h>
30
31#include "lmessages.h"
32#include "ldpart.h"
33
34#define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
35#define LCMESSAGES_SIZE_MIN \
36		(offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
37
38static char empty[] = "";
39
40static const struct lc_messages_T _C_messages_locale = {
41	"^[yY]" ,	/* yesexpr */
42	"^[nN]" ,	/* noexpr */
43	"yes" , 	/* yesstr */
44	"no"		/* nostr */
45};
46
47static struct lc_messages_T _messages_locale;
48static int	_messages_using_locale;
49static char *	messages_locale_buf;
50
51int
52__messages_load_locale(const char *name) {
53
54	/* Propose that we can have incomplete locale file (w/o "{yes,no}str").
55	   Initialize them before loading.  In case of complete locale, they'll
56	   be initialized to loaded value, otherwise they'll not be touched. */
57	_messages_locale.yesstr = empty;
58	_messages_locale.nostr = empty;
59
60	return __part_load_locale(name, &_messages_using_locale,
61		messages_locale_buf, "LC_MESSAGES",
62		LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
63		(const char **)&_messages_locale);
64}
65
66struct lc_messages_T *
67__get_current_messages_locale(void) {
68
69	return (_messages_using_locale
70		? &_messages_locale
71		: (struct lc_messages_T *)&_C_messages_locale);
72}
73
74#ifdef LOCALE_DEBUG
75void
76msgdebug() {
77printf(	"yesexpr = %s\n"
78	"noexpr = %s\n"
79	"yesstr = %s\n"
80	"nostr = %s\n",
81	_messages_locale.yesexpr,
82	_messages_locale.noexpr,
83	_messages_locale.yesstr,
84	_messages_locale.nostr
85);
86}
87#endif /* LOCALE_DEBUG */
88