locale/FreeBSD/nl_langinfo.c

   1 /*-
   2  * Copyright (c) 2001, 2003 Alexey Zelkin <phantom@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD: src/lib/libc/locale/nl_langinfo.c,v 1.17 2003/06/26 10:46:16 phantom Exp $");
  29
  30 #include "xlocale_private.h"
  31
  32 #include <langinfo.h>
  33 #include <limits.h>
  34 #include <locale.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37
  38 #include "lnumeric.h"
  39 #include "lmessages.h"
  40 #include "lmonetary.h"
  41 #include "timelocal.h"
  42
  43 #define _REL(BASE) ((int)item-BASE)
  44
  45 char *
  46 nl_langinfo_l(nl_item item, locale_t loc)
  47 {
  48    char *ret, *cs;
  49    const char *s;
  50    static char *csym = NULL;
  51
  52    NORMALIZE_LOCALE(loc);
  53    switch (item) {
  54         case CODESET:
  55                 ret = "";
  56                 if ((s = querylocale(LC_CTYPE_MASK, loc)) != NULL) {
  57                         if ((cs = strchr(s, '.')) != NULL)
  58                                 ret = cs + 1;
  59                         else if (strcmp(s, "C") == 0 ||
  60                                  strcmp(s, "POSIX") == 0)
  61                                 ret = "US-ASCII";
  62                         else if (strcmp(s, "UTF-8") == 0)
  63                                 ret = "UTF-8";
  64                 }
  65                 break;
  66         case D_T_FMT:
  67                 ret = (char *) __get_current_time_locale(loc)->c_fmt;
  68                 break;
  69         case D_FMT:
  70                 ret = (char *) __get_current_time_locale(loc)->x_fmt;
  71                 break;
  72         case T_FMT:
  73                 ret = (char *) __get_current_time_locale(loc)->X_fmt;
  74                 break;
  75         case T_FMT_AMPM:
  76                 ret = (char *) __get_current_time_locale(loc)->ampm_fmt;
  77                 break;
  78         case AM_STR:
  79                 ret = (char *) __get_current_time_locale(loc)->am;
  80                 break;
  81         case PM_STR:
  82                 ret = (char *) __get_current_time_locale(loc)->pm;
  83                 break;
  84         case DAY_1: case DAY_2: case DAY_3:
  85         case DAY_4: case DAY_5: case DAY_6: case DAY_7:
  86                 ret = (char*) __get_current_time_locale(loc)->weekday[_REL(DAY_1)];
  87                 break;
  88         case ABDAY_1: case ABDAY_2: case ABDAY_3:
  89         case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
  90                 ret = (char*) __get_current_time_locale(loc)->wday[_REL(ABDAY_1)];
  91                 break;
  92         case MON_1: case MON_2: case MON_3: case MON_4:
  93         case MON_5: case MON_6: case MON_7: case MON_8:
  94         case MON_9: case MON_10: case MON_11: case MON_12:
  95                 ret = (char*) __get_current_time_locale(loc)->month[_REL(MON_1)];
  96                 break;
  97         case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
  98         case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
  99         case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
 100                 ret = (char*) __get_current_time_locale(loc)->mon[_REL(ABMON_1)];
 101                 break;
 102         case ERA:
 103                 /* XXX: need to be implemented  */
 104                 ret = "";
 105                 break;
 106         case ERA_D_FMT:
 107                 /* XXX: need to be implemented  */
 108                 ret = "";
 109                 break;
 110         case ERA_D_T_FMT:
 111                 /* XXX: need to be implemented  */
 112                 ret = "";
 113                 break;
 114         case ERA_T_FMT:
 115                 /* XXX: need to be implemented  */
 116                 ret = "";
 117                 break;
 118         case ALT_DIGITS:
 119                 /* XXX: need to be implemented  */
 120                 ret = "";
 121                 break;
 122         case RADIXCHAR:
 123                 ret = (char*) __get_current_numeric_locale(loc)->decimal_point;
 124                 break;
 125         case THOUSEP:
 126                 ret = (char*) __get_current_numeric_locale(loc)->thousands_sep;
 127                 break;
 128         case YESEXPR:
 129                 ret = (char*) __get_current_messages_locale(loc)->yesexpr;
 130                 break;
 131         case NOEXPR:
 132                 ret = (char*) __get_current_messages_locale(loc)->noexpr;
 133                 break;
 134         /*
 135          * YESSTR and NOSTR items marked with LEGACY are available, but not
 136          * recomended by SUSv2 to be used in portable applications since
 137          * they're subject to remove in future specification editions.
 138          */
 139         case YESSTR:            /* LEGACY  */
 140                 ret = (char*) __get_current_messages_locale(loc)->yesstr;
 141                 break;
 142         case NOSTR:             /* LEGACY  */
 143                 ret = (char*) __get_current_messages_locale(loc)->nostr;
 144                 break;
 145         /*
 146          * SUSv2 special formatted currency string
 147          */
 148         case CRNCYSTR:
 149                 ret = "";
 150                 cs = (char*) __get_current_monetary_locale(loc)->currency_symbol;
 151                 if (*cs != '\0') {
 152                         char pos = localeconv_l(loc)->p_cs_precedes;
 153
 154                         if (pos == localeconv_l(loc)->n_cs_precedes) {
 155                                 char psn = '\0';
 156
 157                                 if (pos == CHAR_MAX) {
 158                                         if (strcmp(cs, __get_current_monetary_locale(loc)->mon_decimal_point) == 0)
 159                                                 psn = '.';
 160                                 } else
 161                                         psn = pos ? '-' : '+';
 162                                 if (psn != '\0') {
 163                                         int clen = strlen(cs);
 164
 165                                         if ((csym = reallocf(csym, clen + 2)) != NULL) {
 166                                                 *csym = psn;
 167                                                 strcpy(csym + 1, cs);
 168                                                 ret = csym;
 169                                         }
 170                                 }
 171                         }
 172                 }
 173                 break;
 174         case D_MD_ORDER:        /* FreeBSD local extension */
 175                 ret = (char *) __get_current_time_locale(loc)->md_order;
 176                 break;
 177         default:
 178                 return "";      /* do not consult POSIX */
 179    }
 180    if (ret && !ret[0] && item != D_MD_ORDER && item != CODESET && loc != _c_locale) {
 181        ret = nl_langinfo_l(item, _c_locale);
 182    }
 183    return (ret);
 184 }
 185
 186 char *
 187 nl_langinfo(nl_item item)
 188 {
 189         return (nl_langinfo_l(item, __current_locale()));
 190 }