xref: /freebsd/lib/libc/locale/lmessages.c (revision f0adf7f5cdd241db2f2c817683191a6ef64a4e95)
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("$FreeBSD$");
29 
30 #include <stddef.h>
31 
32 #include "ldpart.h"
33 #include "lmessages.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 
39 static char empty[] = "";
40 
41 static const struct lc_messages_T _C_messages_locale = {
42 	"^[yY]" ,	/* yesexpr */
43 	"^[nN]" ,	/* noexpr */
44 	"yes" , 	/* yesstr */
45 	"no"		/* nostr */
46 };
47 
48 static struct lc_messages_T _messages_locale;
49 static int	_messages_using_locale;
50 static char	*_messages_locale_buf;
51 
52 int
53 __messages_load_locale(const char *name)
54 {
55 	int ret;
56 
57 	ret = __part_load_locale(name, &_messages_using_locale,
58 		  &_messages_locale_buf, "LC_MESSAGES",
59 		  LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
60 		  (const char **)&_messages_locale);
61 	if (ret == _LDP_LOADED) {
62 		if (_messages_locale.yesstr == NULL)
63 			_messages_locale.yesstr = empty;
64 		if (_messages_locale.nostr == NULL)
65 			_messages_locale.nostr = empty;
66 	}
67 	return (ret);
68 }
69 
70 struct lc_messages_T *
71 __get_current_messages_locale(void)
72 {
73 	return (_messages_using_locale
74 		? &_messages_locale
75 		: (struct lc_messages_T *)&_C_messages_locale);
76 }
77 
78 #ifdef LOCALE_DEBUG
79 void
80 msgdebug() {
81 printf(	"yesexpr = %s\n"
82 	"noexpr = %s\n"
83 	"yesstr = %s\n"
84 	"nostr = %s\n",
85 	_messages_locale.yesexpr,
86 	_messages_locale.noexpr,
87 	_messages_locale.yesstr,
88 	_messages_locale.nostr
89 );
90 }
91 #endif /* LOCALE_DEBUG */
92