xref: /freebsd/lib/libc/locale/lmessages.c (revision 5521ff5a4d1929056e7ffc982fac3341ca54df7c)
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  * $FreeBSD$
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 
38 static char empty[] = "";
39 
40 static const struct lc_messages_T _C_messages_locale = {
41 	"^[yY]" ,	/* yesexpr */
42 	"^[nN]" ,	/* noexpr */
43 	"yes" , 	/* yesstr */
44 	"no"		/* nostr */
45 };
46 
47 static struct lc_messages_T _messages_locale;
48 static int	_messages_using_locale;
49 static char *	messages_locale_buf;
50 
51 int
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 
66 struct 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
75 void
76 msgdebug() {
77 printf(	"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