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 <langinfo.h>
  31 #include <limits.h>
  32 #include <locale.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35
  36 #include "lnumeric.h"
  37 #include "lmessages.h"
  38 #include "lmonetary.h"
  39 #include "../stdtime/timelocal.h"
  40
  41 #define _REL(BASE) ((int)item-BASE)
  42
  43 char *
  44 nl_langinfo(nl_item item)
  45 {
  46    char *ret, *s, *cs;
  47    static char *csym = NULL;
  48
  49    switch (item) {
  50         case CODESET:
  51                 ret = "";
  52                 if ((s = setlocale(LC_CTYPE, NULL)) != NULL) {
  53                         if ((cs = strchr(s, '.')) != NULL)
  54                                 ret = cs + 1;
  55                         else if (strcmp(s, "C") == 0 ||
  56                                  strcmp(s, "POSIX") == 0)
  57                                 ret = "US-ASCII";
  58                 }
  59                 break;
  60         case D_T_FMT:
  61                 ret = (char *) __get_current_time_locale()->c_fmt;
  62                 break;
  63         case D_FMT:
  64                 ret = (char *) __get_current_time_locale()->x_fmt;
  65                 break;
  66         case T_FMT:
  67                 ret = (char *) __get_current_time_locale()->X_fmt;
  68                 break;
  69         case T_FMT_AMPM:
  70                 ret = (char *) __get_current_time_locale()->ampm_fmt;
  71                 break;
  72         case AM_STR:
  73                 ret = (char *) __get_current_time_locale()->am;
  74                 break;
  75         case PM_STR:
  76                 ret = (char *) __get_current_time_locale()->pm;
  77                 break;
  78         case DAY_1: case DAY_2: case DAY_3:
  79         case DAY_4: case DAY_5: case DAY_6: case DAY_7:
  80                 ret = (char*) __get_current_time_locale()->weekday[_REL(DAY_1)];
  81                 break;
  82         case ABDAY_1: case ABDAY_2: case ABDAY_3:
  83         case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
  84                 ret = (char*) __get_current_time_locale()->wday[_REL(ABDAY_1)];
  85                 break;
  86         case MON_1: case MON_2: case MON_3: case MON_4:
  87         case MON_5: case MON_6: case MON_7: case MON_8:
  88         case MON_9: case MON_10: case MON_11: case MON_12:
  89                 ret = (char*) __get_current_time_locale()->month[_REL(MON_1)];
  90                 break;
  91         case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
  92         case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
  93         case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
  94                 ret = (char*) __get_current_time_locale()->mon[_REL(ABMON_1)];
  95                 break;
  96         case ERA:
  97                 /* XXX: need to be implemented  */
  98                 ret = "";
  99                 break;
 100         case ERA_D_FMT:
 101                 /* XXX: need to be implemented  */
 102                 ret = "";
 103                 break;
 104         case ERA_D_T_FMT:
 105                 /* XXX: need to be implemented  */
 106                 ret = "";
 107                 break;
 108         case ERA_T_FMT:
 109                 /* XXX: need to be implemented  */
 110                 ret = "";
 111                 break;
 112         case ALT_DIGITS:
 113                 /* XXX: need to be implemented  */
 114                 ret = "";
 115                 break;
 116         case RADIXCHAR:
 117                 ret = (char*) __get_current_numeric_locale()->decimal_point;
 118                 break;
 119         case THOUSEP:
 120                 ret = (char*) __get_current_numeric_locale()->thousands_sep;
 121                 break;
 122         case YESEXPR:
 123                 ret = (char*) __get_current_messages_locale()->yesexpr;
 124                 break;
 125         case NOEXPR:
 126                 ret = (char*) __get_current_messages_locale()->noexpr;
 127                 break;
 128         /*
 129          * YESSTR and NOSTR items marked with LEGACY are available, but not
 130          * recomended by SUSv2 to be used in portable applications since
 131          * they're subject to remove in future specification editions.
 132          */
 133         case YESSTR:            /* LEGACY  */
 134                 ret = (char*) __get_current_messages_locale()->yesstr;
 135                 break;
 136         case NOSTR:             /* LEGACY  */
 137                 ret = (char*) __get_current_messages_locale()->nostr;
 138                 break;
 139         /*
 140          * SUSv2 special formatted currency string
 141          */
 142         case CRNCYSTR:
 143                 ret = "";
 144                 cs = (char*) __get_current_monetary_locale()->currency_symbol;
 145                 if (*cs != '\0') {
 146                         char pos = localeconv()->p_cs_precedes;
 147
 148                         if (pos == localeconv()->n_cs_precedes) {
 149                                 char psn = '\0';
 150
 151                                 if (pos == CHAR_MAX) {
 152                                         if (strcmp(cs, __get_current_monetary_locale()->mon_decimal_point) == 0)
 153                                                 psn = '.';
 154                                 } else
 155                                         psn = pos ? '-' : '+';
 156                                 if (psn != '\0') {
 157                                         int clen = strlen(cs);
 158
 159                                         if ((csym = reallocf(csym, clen + 2)) != NULL) {
 160                                                 *csym = psn;
 161                                                 strcpy(csym + 1, cs);
 162                                                 ret = csym;
 163                                         }
 164                                 }
 165                         }
 166                 }
 167                 break;
 168         case D_MD_ORDER:        /* FreeBSD local extension */
 169                 ret = (char *) __get_current_time_locale()->md_order;
 170                 break;
 171         default:
 172                 ret = "";
 173    }
 174    return (ret);
 175 }