lib/libc/citrus/citrus_lc_time.c

   1 /* $NetBSD: citrus_lc_time.c,v 1.6 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_time.c,v 1.6 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_TIME_, name)
  70
  71 #include "nb_lc_time_misc.h"
  72 #include "citrus_lc_template_decl.h"
  73
  74 static __inline void
  75 _citrus_LC_TIME_uninit(_TimeLocale *data)
  76 {
  77         size_t i, j;
  78
  79         _DIAGASSERT(data != NULL);
  80
  81         for (i = ABDAY_IDX(ABDAY_1), j = ABDAY_IDX(ABDAY_7);  i <= j; ++i)
  82                 free(__UNCONST(data->abday[i]));
  83         for (i = DAY_IDX(DAY_1),     j = DAY_IDX(DAY_7);      i <= j; ++i)
  84                 free(__UNCONST(data->day[i]));
  85         for (i = ABMON_IDX(ABMON_1), j = ABMON_IDX(ABMON_12); i <= j; ++i)
  86                 free(__UNCONST(data->abmon[i]));
  87         for (i = MON_IDX(MON_1),     j = MON_IDX(MON_12);     i <= j; ++i)
  88                 free(__UNCONST(data->mon[i]));
  89         for (i = AM_PM_IDX(AM_STR),  j = AM_PM_IDX(PM_STR);   i <= j; ++i)
  90                 free(__UNCONST(data->am_pm[i]));
  91         free(__UNCONST(data->d_t_fmt));
  92         free(__UNCONST(data->d_fmt));
  93         free(__UNCONST(data->t_fmt));
  94         free(__UNCONST(data->t_fmt_ampm));
  95 }
  96
  97 #include "citrus_lc_time.h"
  98
  99 struct _citrus_LC_TIME_key {
 100         const char *name;
 101         size_t offset;
 102 };
 103
 104 #define OFFSET(field) offsetof(_TimeLocale, field)
 105 static const struct _citrus_LC_TIME_key keys[] = {
 106   { _CITRUS_LC_TIME_SYM_ABDAY_1,  OFFSET(abday[ABDAY_IDX(ABDAY_1)] ) },
 107   { _CITRUS_LC_TIME_SYM_ABDAY_2,  OFFSET(abday[ABDAY_IDX(ABDAY_2)] ) },
 108   { _CITRUS_LC_TIME_SYM_ABDAY_3,  OFFSET(abday[ABDAY_IDX(ABDAY_3)] ) },
 109   { _CITRUS_LC_TIME_SYM_ABDAY_4,  OFFSET(abday[ABDAY_IDX(ABDAY_4)] ) },
 110   { _CITRUS_LC_TIME_SYM_ABDAY_5,  OFFSET(abday[ABDAY_IDX(ABDAY_5)] ) },
 111   { _CITRUS_LC_TIME_SYM_ABDAY_6,  OFFSET(abday[ABDAY_IDX(ABDAY_6)] ) },
 112   { _CITRUS_LC_TIME_SYM_ABDAY_7,  OFFSET(abday[ABDAY_IDX(ABDAY_7)] ) },
 113   { _CITRUS_LC_TIME_SYM_DAY_1,    OFFSET(day[DAY_IDX(DAY_1)]       ) },
 114   { _CITRUS_LC_TIME_SYM_DAY_2,    OFFSET(day[DAY_IDX(DAY_2)]       ) },
 115   { _CITRUS_LC_TIME_SYM_DAY_3,    OFFSET(day[DAY_IDX(DAY_3)]       ) },
 116   { _CITRUS_LC_TIME_SYM_DAY_4,    OFFSET(day[DAY_IDX(DAY_4)]       ) },
 117   { _CITRUS_LC_TIME_SYM_DAY_5,    OFFSET(day[DAY_IDX(DAY_5)]       ) },
 118   { _CITRUS_LC_TIME_SYM_DAY_6,    OFFSET(day[DAY_IDX(DAY_6)]       ) },
 119   { _CITRUS_LC_TIME_SYM_DAY_7,    OFFSET(day[DAY_IDX(DAY_7)]       ) },
 120   { _CITRUS_LC_TIME_SYM_ABMON_1,  OFFSET(abmon[ABMON_IDX(ABMON_1)] ) },
 121   { _CITRUS_LC_TIME_SYM_ABMON_2,  OFFSET(abmon[ABMON_IDX(ABMON_2)] ) },
 122   { _CITRUS_LC_TIME_SYM_ABMON_3,  OFFSET(abmon[ABMON_IDX(ABMON_3)] ) },
 123   { _CITRUS_LC_TIME_SYM_ABMON_4,  OFFSET(abmon[ABMON_IDX(ABMON_4)] ) },
 124   { _CITRUS_LC_TIME_SYM_ABMON_5,  OFFSET(abmon[ABMON_IDX(ABMON_5)] ) },
 125   { _CITRUS_LC_TIME_SYM_ABMON_6,  OFFSET(abmon[ABMON_IDX(ABMON_6)] ) },
 126   { _CITRUS_LC_TIME_SYM_ABMON_7,  OFFSET(abmon[ABMON_IDX(ABMON_7)] ) },
 127   { _CITRUS_LC_TIME_SYM_ABMON_8,  OFFSET(abmon[ABMON_IDX(ABMON_8)] ) },
 128   { _CITRUS_LC_TIME_SYM_ABMON_9,  OFFSET(abmon[ABMON_IDX(ABMON_9)] ) },
 129   { _CITRUS_LC_TIME_SYM_ABMON_10, OFFSET(abmon[ABMON_IDX(ABMON_10)]) },
 130   { _CITRUS_LC_TIME_SYM_ABMON_11, OFFSET(abmon[ABMON_IDX(ABMON_11)]) },
 131   { _CITRUS_LC_TIME_SYM_ABMON_12, OFFSET(abmon[ABMON_IDX(ABMON_12)]) },
 132   { _CITRUS_LC_TIME_SYM_MON_1,    OFFSET(mon[MON_IDX(MON_1)]       ) },
 133   { _CITRUS_LC_TIME_SYM_MON_2,    OFFSET(mon[MON_IDX(MON_2)]       ) },
 134   { _CITRUS_LC_TIME_SYM_MON_3,    OFFSET(mon[MON_IDX(MON_3)]       ) },
 135   { _CITRUS_LC_TIME_SYM_MON_4,    OFFSET(mon[MON_IDX(MON_4)]       ) },
 136   { _CITRUS_LC_TIME_SYM_MON_5,    OFFSET(mon[MON_IDX(MON_5)]       ) },
 137   { _CITRUS_LC_TIME_SYM_MON_6,    OFFSET(mon[MON_IDX(MON_6)]       ) },
 138   { _CITRUS_LC_TIME_SYM_MON_7,    OFFSET(mon[MON_IDX(MON_7)]       ) },
 139   { _CITRUS_LC_TIME_SYM_MON_8,    OFFSET(mon[MON_IDX(MON_8)]       ) },
 140   { _CITRUS_LC_TIME_SYM_MON_9,    OFFSET(mon[MON_IDX(MON_9)]       ) },
 141   { _CITRUS_LC_TIME_SYM_MON_10,   OFFSET(mon[MON_IDX(MON_10)]      ) },
 142   { _CITRUS_LC_TIME_SYM_MON_11,   OFFSET(mon[MON_IDX(MON_11)]      ) },
 143   { _CITRUS_LC_TIME_SYM_MON_12,   OFFSET(mon[MON_IDX(MON_12)]      ) },
 144   { _CITRUS_LC_TIME_SYM_AM_STR,   OFFSET(am_pm[AM_PM_IDX(AM_STR)]  ) },
 145   { _CITRUS_LC_TIME_SYM_PM_STR,   OFFSET(am_pm[AM_PM_IDX(PM_STR)]  ) },
 146   { _CITRUS_LC_TIME_SYM_D_T_FMT,  OFFSET(d_t_fmt                   ) },
 147   { _CITRUS_LC_TIME_SYM_D_FMT,    OFFSET(d_fmt                     ) },
 148   { _CITRUS_LC_TIME_SYM_T_FMT,    OFFSET(t_fmt                     ) },
 149   { _CITRUS_LC_TIME_SYM_T_FMT_AMPM, OFFSET(t_fmt_ampm                ) },
 150   { NULL, 0 }
 151 };
 152
 153 static __inline int
 154 _citrus_LC_TIME_init_normal(_TimeLocale * __restrict data,
 155     struct _citrus_db * __restrict db)
 156 {
 157         const struct _citrus_LC_TIME_key *key;
 158         char **p;
 159         const char *s;
 160
 161         _DIAGASSERT(data != NULL);
 162         _DIAGASSERT(db != NULL);
 163
 164         memset(data, 0, sizeof(*data));
 165         for (key = &keys[0]; key->name != NULL; ++key) {
 166                 if (_db_lookupstr_by_s(db, key->name, &s, NULL))
 167                         goto fatal;
 168                 p = (char **)(void *)
 169                     (((char *)(void *)data) + key->offset);
 170                 *p = strdup(s);
 171                 if (*p == NULL)
 172                         goto fatal;
 173         }
 174         return 0;
 175
 176 fatal:
 177         _citrus_LC_TIME_uninit(data);
 178         return EFTYPE;
 179 }
 180
 181 static __inline int
 182 _citrus_LC_TIME_init_fallback(_TimeLocale * __restrict data,
 183     struct _memstream * __restrict ms)
 184 {
 185         const struct _citrus_LC_TIME_key *key;
 186         char **p;
 187         const char *s;
 188         size_t n;
 189
 190         memset(data, 0, sizeof(*data));
 191         for (key = &keys[0]; key->name != NULL; ++key) {
 192                 if ((s = _memstream_getln(ms, &n)) == NULL)
 193                         goto fatal;
 194                 p = (char **)(void *)
 195                     (((char *)(void *)data) + key->offset);
 196                 *p = strndup(s, n - 1);
 197                 if (*p == NULL)
 198                         goto fatal;
 199         }
 200         return 0;
 201
 202 fatal:
 203         _citrus_LC_TIME_uninit(data);
 204         return EFTYPE;
 205 }
 206
 207 /*
 208  * macro required by citrus_lc_template.h
 209  */
 210 #define _CATEGORY_DB            "LC_TIME"
 211 #define _CATEGORY_MAGIC         _CITRUS_LC_TIME_MAGIC_1
 212
 213 #include "citrus_lc_template.h"