lib/libc/citrus/citrus_lc_messages.c

   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"