lib/libc/locale/nl_langinfo.c

   1 /* $NetBSD: nl_langinfo.c,v 1.17 2013/08/20 19:58:30 joerg 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 __RCSID("$NetBSD: nl_langinfo.c,v 1.17 2013/08/20 19:58:30 joerg Exp $");
  31
  32 #include "namespace.h"
  33 #include <sys/types.h>
  34 #include <sys/localedef.h>
  35 #include <langinfo.h>
  36 #include <stddef.h>
  37 #define __SETLOCALE_SOURCE__
  38 #include <locale.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41
  42 #include "runetype_local.h"
  43 #include "setlocale_local.h"
  44
  45 static const char langinfo_category[] = {
  46     [ D_T_FMT ] = LC_TIME,
  47     [ D_FMT ] = LC_TIME,
  48     [ T_FMT ] = LC_TIME,
  49     [ T_FMT_AMPM ] = LC_TIME,
  50     [ AM_STR ] = LC_TIME,
  51     [ PM_STR ] = LC_TIME,
  52     [ DAY_1 ] = LC_TIME,
  53     [ DAY_2 ] = LC_TIME,
  54     [ DAY_3 ] = LC_TIME,
  55     [ DAY_4 ] = LC_TIME,
  56     [ DAY_5 ] = LC_TIME,
  57     [ DAY_6 ] = LC_TIME,
  58     [ DAY_7 ] = LC_TIME,
  59     [ ABDAY_1 ] = LC_TIME,
  60     [ ABDAY_2 ] = LC_TIME,
  61     [ ABDAY_3 ] = LC_TIME,
  62     [ ABDAY_4 ] = LC_TIME,
  63     [ ABDAY_5 ] = LC_TIME,
  64     [ ABDAY_6 ] = LC_TIME,
  65     [ ABDAY_7 ] = LC_TIME,
  66     [ MON_1 ] = LC_TIME,
  67     [ MON_2 ] = LC_TIME,
  68     [ MON_3 ] = LC_TIME,
  69     [ MON_4 ] = LC_TIME,
  70     [ MON_5 ] = LC_TIME,
  71     [ MON_6 ] = LC_TIME,
  72     [ MON_7 ] = LC_TIME,
  73     [ MON_8 ] = LC_TIME,
  74     [ MON_9 ] = LC_TIME,
  75     [ MON_10 ] = LC_TIME,
  76     [ MON_11 ] = LC_TIME,
  77     [ MON_12 ] = LC_TIME,
  78     [ ABMON_1 ] = LC_TIME,
  79     [ ABMON_2 ] = LC_TIME,
  80     [ ABMON_3 ] = LC_TIME,
  81     [ ABMON_4 ] = LC_TIME,
  82     [ ABMON_5 ] = LC_TIME,
  83     [ ABMON_6 ] = LC_TIME,
  84     [ ABMON_7 ] = LC_TIME,
  85     [ ABMON_8 ] = LC_TIME,
  86     [ ABMON_9 ] = LC_TIME,
  87     [ ABMON_10 ] = LC_TIME,
  88     [ ABMON_11 ] = LC_TIME,
  89     [ ABMON_12 ] = LC_TIME,
  90     [ RADIXCHAR ] = LC_NUMERIC,
  91     [ THOUSEP ] = LC_NUMERIC,
  92     [ YESSTR ] = LC_MESSAGES,
  93     [ YESEXPR ] = LC_MESSAGES,
  94     [ NOSTR ] = LC_MESSAGES,
  95     [ NOEXPR ] = LC_MESSAGES,
  96     [ CRNCYSTR ] = 0,
  97     [ CODESET ] = LC_CTYPE,
  98     [ ERA ] = 0,
  99     [ ERA_D_FMT ] = 0,
 100     [ ERA_D_T_FMT ] = 0,
 101     [ ERA_T_FMT ] = 0,
 102     [ ALT_DIGITS ] = 0,
 103 };
 104
 105 static const uint16_t langinfo_offset[] = {
 106     [ D_T_FMT ] = offsetof(_TimeLocale, d_t_fmt),
 107     [ D_FMT ] = offsetof(_TimeLocale, d_fmt),
 108     [ T_FMT ] = offsetof(_TimeLocale, t_fmt),
 109     [ T_FMT_AMPM ] = offsetof(_TimeLocale, t_fmt_ampm),
 110     [ AM_STR ] = offsetof(_TimeLocale, am_pm[0]),
 111     [ PM_STR ] = offsetof(_TimeLocale, am_pm[1]),
 112     [ DAY_1 ] = offsetof(_TimeLocale, day[0]),
 113     [ DAY_2 ] = offsetof(_TimeLocale, day[1]),
 114     [ DAY_3 ] = offsetof(_TimeLocale, day[2]),
 115     [ DAY_4 ] = offsetof(_TimeLocale, day[3]),
 116     [ DAY_5 ] = offsetof(_TimeLocale, day[4]),
 117     [ DAY_6 ] = offsetof(_TimeLocale, day[5]),
 118     [ DAY_7 ] = offsetof(_TimeLocale, day[6]),
 119     [ ABDAY_1 ] = offsetof(_TimeLocale, abday[0]),
 120     [ ABDAY_2 ] = offsetof(_TimeLocale, abday[1]),
 121     [ ABDAY_3 ] = offsetof(_TimeLocale, abday[2]),
 122     [ ABDAY_4 ] = offsetof(_TimeLocale, abday[3]),
 123     [ ABDAY_5 ] = offsetof(_TimeLocale, abday[4]),
 124     [ ABDAY_6 ] = offsetof(_TimeLocale, abday[5]),
 125     [ ABDAY_7 ] = offsetof(_TimeLocale, abday[6]),
 126     [ MON_1 ] = offsetof(_TimeLocale, mon[0]),
 127     [ MON_2 ] = offsetof(_TimeLocale, mon[1]),
 128     [ MON_3 ] = offsetof(_TimeLocale, mon[2]),
 129     [ MON_4 ] = offsetof(_TimeLocale, mon[3]),
 130     [ MON_5 ] = offsetof(_TimeLocale, mon[4]),
 131     [ MON_6 ] = offsetof(_TimeLocale, mon[5]),
 132     [ MON_7 ] = offsetof(_TimeLocale, mon[6]),
 133     [ MON_8 ] = offsetof(_TimeLocale, mon[7]),
 134     [ MON_9 ] = offsetof(_TimeLocale, mon[8]),
 135     [ MON_10 ] = offsetof(_TimeLocale, mon[9]),
 136     [ MON_11 ] = offsetof(_TimeLocale, mon[10]),
 137     [ MON_12 ] = offsetof(_TimeLocale, mon[11]),
 138     [ ABMON_1 ] = offsetof(_TimeLocale, abmon[0]),
 139     [ ABMON_2 ] = offsetof(_TimeLocale, abmon[1]),
 140     [ ABMON_3 ] = offsetof(_TimeLocale, abmon[2]),
 141     [ ABMON_4 ] = offsetof(_TimeLocale, abmon[3]),
 142     [ ABMON_5 ] = offsetof(_TimeLocale, abmon[4]),
 143     [ ABMON_6 ] = offsetof(_TimeLocale, abmon[5]),
 144     [ ABMON_7 ] = offsetof(_TimeLocale, abmon[6]),
 145     [ ABMON_8 ] = offsetof(_TimeLocale, abmon[7]),
 146     [ ABMON_9 ] = offsetof(_TimeLocale, abmon[8]),
 147     [ ABMON_10 ] = offsetof(_TimeLocale, abmon[9]),
 148     [ ABMON_11 ] = offsetof(_TimeLocale, abmon[10]),
 149     [ ABMON_12 ] = offsetof(_TimeLocale, abmon[11]),
 150     [ RADIXCHAR ] = offsetof(_NumericLocale, decimal_point),
 151     [ THOUSEP ] = offsetof(_NumericLocale, thousands_sep),
 152     [ YESSTR ] = offsetof(_MessagesLocale, yesstr),
 153     [ YESEXPR ] = offsetof(_MessagesLocale, yesexpr),
 154     [ NOSTR ] = offsetof(_MessagesLocale, nostr),
 155     [ NOEXPR ] = offsetof(_MessagesLocale, noexpr),
 156     [ CRNCYSTR ] = 0,
 157     [ CODESET ] = offsetof(_RuneLocale, rl_codeset),
 158     [ ERA ] = 0,
 159     [ ERA_D_FMT ] = 0,
 160     [ ERA_D_T_FMT ] = 0,
 161     [ ERA_T_FMT ] = 0,
 162     [ ALT_DIGITS ] = 0,
 163 };
 164
 165 __weak_alias(nl_langinfo_l, _nl_langinfo_l)
 166
 167 char *
 168 nl_langinfo(nl_item item)
 169 {
 170
 171         return nl_langinfo_l(item, _current_locale());
 172 }
 173
 174 char *
 175 nl_langinfo_l(nl_item item, locale_t loc)
 176 {
 177         char *s;
 178         int category;
 179         size_t offset;
 180
 181         if (item < 0 || item >= (long)__arraycount(langinfo_category))
 182                 return __UNCONST(""); /* Outside the defined range */
 183
 184         category = langinfo_category[item];
 185         if (category == 0)
 186                 return __UNCONST(""); /* Not in use */
 187         offset = langinfo_offset[item];
 188
 189         memcpy(&s, (char *)loc->part_impl[category] + offset, sizeof(s));
 190         if (s == NULL)
 191                 return __UNCONST("");
 192         else
 193                 return s;
 194 }