xref: /titanic_41/usr/src/lib/libc/port/locale/lmessages.c (revision f94098a9c7a9cee33e29ec877a160392bbc010f9)
1 /*
2  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
3  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
4  * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include "lint.h"
30 #include <stddef.h>
31 #include <errno.h>
32 #include "ldpart.h"
33 #include "lmessages.h"
34 #include "localeimpl.h"
35 
36 #define	LCMESSAGES_SIZE_FULL (sizeof (struct lc_messages) / sizeof (char *))
37 #define	LCMESSAGES_SIZE_MIN \
38 	(offsetof(struct lc_messages, yesstr) / sizeof (char *))
39 
40 static char empty[] = "";
41 
42 struct lc_messages lc_messages_posix = {
43 	"^[yY]",	/* yesexpr */
44 	"^[nN]",	/* noexpr */
45 	"yes",		/* yesstr */
46 	"no"		/* nostr */
47 };
48 
49 struct locdata __posix_messages_locdata = {
50 	.l_lname = "C",
51 	.l_data = { &lc_messages_posix }
52 };
53 
54 struct locdata *
55 __lc_messages_load(const char *name)
56 {
57 	struct locdata *ldata;
58 	struct lc_messages *lmsgs;
59 	int ret;
60 
61 	if ((ldata = __locdata_alloc(name, sizeof (*lmsgs))) == NULL)
62 		return (NULL);
63 	lmsgs = ldata->l_data[0];
64 
65 	ret = __part_load_locale(name, (char **)&ldata->l_data[1],
66 	    "LC_MESSAGES", LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
67 	    (const char **)lmsgs);
68 
69 	if (ret != _LDP_LOADED) {
70 		__locdata_free(ldata);
71 		errno = EINVAL;
72 		return (NULL);
73 	}
74 
75 	if (lmsgs->yesstr == NULL)
76 		lmsgs->yesstr = empty;
77 	if (lmsgs->nostr == NULL)
78 		lmsgs->nostr = empty;
79 
80 	return (ldata);
81 }
82