xref: /titanic_41/usr/src/lib/libc/port/locale/lmessages.c (revision 8d0c3d29bb99f6521f2dc5058a7e4debebad7899)
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 /*
28  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
29  * Use is subject to license terms.
30  */
31 
32 #include "lint.h"
33 #include <stddef.h>
34 #include "ldpart.h"
35 #include "lmessages.h"
36 
37 #define	LCMESSAGES_SIZE_FULL (sizeof (struct lc_messages_T) / sizeof (char *))
38 #define	LCMESSAGES_SIZE_MIN \
39 	(offsetof(struct lc_messages_T, yesstr) / sizeof (char *))
40 
41 static char empty[] = "";
42 
43 static const struct lc_messages_T _C_messages_locale = {
44 	"^[yY]",	/* yesexpr */
45 	"^[nN]",	/* noexpr */
46 	"yes",		/* yesstr */
47 	"no"		/* nostr */
48 };
49 
50 static struct lc_messages_T _messages_locale;
51 static int	_messages_using_locale;
52 static char	*_messages_locale_buf;
53 
54 int
55 __messages_load_locale(const char *name)
56 {
57 	int ret;
58 
59 	ret = __part_load_locale(name, &_messages_using_locale,
60 	    &_messages_locale_buf, "LC_MESSAGES",
61 	    LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
62 	    (const char **)&_messages_locale);
63 	if (ret == _LDP_LOADED) {
64 		if (_messages_locale.yesstr == NULL)
65 			_messages_locale.yesstr = empty;
66 		if (_messages_locale.nostr == NULL)
67 			_messages_locale.nostr = empty;
68 	}
69 	return (ret);
70 }
71 
72 struct lc_messages_T *
73 __get_current_messages_locale(void)
74 {
75 	return (_messages_using_locale ? &_messages_locale :
76 	    (struct lc_messages_T *)&_C_messages_locale);
77 }
78