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citrus_lc_messages.c revision 1.5 
      1 /* $NetBSD: citrus_lc_messages.c,v 1.5 2012/03/04 21:14:55 tnozaki Exp $ */
      2 
      3 /*-
      4  * Copyright (c)2008 Citrus Project,
      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 <sys/cdefs.h>
     30 #if defined(LIBC_SCCS) && !defined(lint)
     31 __RCSID("$NetBSD: citrus_lc_messages.c,v 1.5 2012/03/04 21:14:55 tnozaki Exp $");
     32 #endif /* LIBC_SCCS and not lint */
     33 
     34 #include "namespace.h"
     35 #include "reentrant.h"
     36 #include <sys/types.h>
     37 #include <sys/localedef.h>
     38 #include <sys/queue.h>
     39 #include <assert.h>
     40 #include <errno.h>
     41 #include <langinfo.h>
     42 #include <limits.h>
     43 #define __SETLOCALE_SOURCE__
     44 #include <locale.h>
     45 #include <stddef.h>
     46 #include <stdio.h>
     47 #include <stdlib.h>
     48 #include <string.h>
     49 
     50 #include "setlocale_local.h"
     51 
     52 #include "citrus_namespace.h"
     53 #include "citrus_types.h"
     54 #include "citrus_bcs.h"
     55 #include "citrus_region.h"
     56 #include "citrus_lookup.h"
     57 #include "citrus_aliasname_local.h"
     58 #include "citrus_module.h"
     59 #include "citrus_mmap.h"
     60 #include "citrus_hash.h"
     61 #include "citrus_db.h"
     62 #include "citrus_db_hash.h"
     63 #include "citrus_memstream.h"
     64 #include "runetype_local.h"
     65 
     66 /*
     67  * macro required by all template headers
     68  */
     69 #define _PREFIX(name)		__CONCAT(_citrus_LC_MESSAGES_, name)
     70 
     71 #include "nb_lc_messages_misc.h"
     72 #include "citrus_lc_template_decl.h"
     73 
     74 static __inline void
     75 _citrus_LC_MESSAGES_uninit(_MessagesLocale *data)
     76 {
     77 	free(__UNCONST(data->yesexpr));
     78 	free(__UNCONST(data->noexpr));
     79 	free(__UNCONST(data->yesstr));
     80 	free(__UNCONST(data->nostr));
     81 }
     82 
     83 #include "citrus_lc_messages.h"
     84 
     85 struct _citrus_LC_MESSAGES_key {
     86 	const char *name;
     87 	size_t offset;
     88 };
     89 
     90 #define OFFSET(field) (offsetof(_MessagesLocale, field))
     91 static const struct _citrus_LC_MESSAGES_key keys[] = {
     92   { _CITRUS_LC_MESSAGES_SYM_YESEXPR, OFFSET(yesexpr) },
     93   { _CITRUS_LC_MESSAGES_SYM_NOEXPR,  OFFSET(noexpr ) },
     94   { _CITRUS_LC_MESSAGES_SYM_YESSTR,  OFFSET(yesstr ) },
     95   { _CITRUS_LC_MESSAGES_SYM_NOSTR,   OFFSET(nostr  ) },
     96   { NULL, 0 }
     97 };
     98 
     99 static __inline int
    100 _citrus_LC_MESSAGES_init_normal(_MessagesLocale * __restrict data,
    101     struct _citrus_db * __restrict db)
    102 {
    103 	const struct _citrus_LC_MESSAGES_key *key;
    104 	char **p;
    105 	const char *s;
    106 
    107 	_DIAGASSERT(data != NULL);
    108 	_DIAGASSERT(db != NULL);
    109 
    110 	memset(data, 0, sizeof(*data));
    111 	for (key = &keys[0]; key->name != NULL; ++key) {
    112 		if (_db_lookupstr_by_s(db, key->name, &s, NULL))
    113 			goto fatal;
    114 		p = (char **)(void *)
    115 		    (((char *)(void *)data) + key->offset);
    116 		*p = strdup(s);
    117 		if (*p == NULL)
    118 			goto fatal;
    119 	}
    120 	return 0;
    121 
    122 fatal:
    123 	_citrus_LC_MESSAGES_uninit(data);
    124 	return EFTYPE;
    125 }
    126 
    127 static __inline int
    128 _citrus_LC_MESSAGES_init_fallback(_MessagesLocale * __restrict data,
    129     struct _memstream * __restrict ms)
    130 {
    131 	const struct _citrus_LC_MESSAGES_key *key;
    132 	char **p;
    133 	const char *s;
    134 	size_t n;
    135 
    136 	_DIAGASSERT(data != NULL);
    137 	_DIAGASSERT(ms != NULL);
    138 
    139 	memset(data, 0, sizeof(*data));
    140 	for (key = &keys[0]; key->name != NULL; ++key) {
    141 		if ((s = _memstream_getln(ms, &n)) == NULL)
    142 			goto fatal;
    143 		p = (char **)(void *)
    144 		    (((char *)(void *)data) + key->offset);
    145 		*p = strndup(s, n - 1);
    146 		if (*p == NULL)
    147 			goto fatal;
    148 	}
    149 	return 0;
    150 
    151 fatal:
    152 	_citrus_LC_MESSAGES_uninit(data);
    153 	return EFTYPE;
    154 }
    155 
    156 /*
    157  * macro required by citrus_lc_template.h
    158  */
    159 #define _CATEGORY_DB		"LC_MESSAGES/SYS_LC_MESSAGES"
    160 #define _CATEGORY_MAGIC		_CITRUS_LC_MESSAGES_MAGIC_1
    161 
    162 #include "citrus_lc_template.h"
    163