locale/FreeBSD/nl_langinfo.c

   1 /*-
   2  * Copyright (c) 2001 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 1.15 2002/03/22 21:52:18 obrien Exp $");
  29
  30 #include <locale.h>
  31 #include <langinfo.h>
  32 #include <limits.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35
  36 #include "../stdtime/timelocal.h"
  37 #include "lnumeric.h"
  38 #include "lmonetary.h"
  39 #include "lmessages.h"
  40
  41 #define TRANSITION_PERIOD_HACK
  42
  43 #define _REL(BASE) ((int)item-BASE)
  44
  45 char *
  46 nl_langinfo(nl_item item) {
  47
  48    char *ret, *s, *cs;
  49    static char *csym = NULL;
  50 #ifdef TRANSITION_PERIOD_HACK
  51    static char *cset = NULL;
  52 #endif /* TRANSITION_PERIOD_HACK */
  53
  54    switch (item) {
  55         case CODESET:
  56                 ret = "";
  57                 if ((s = setlocale(LC_CTYPE, NULL)) != NULL) {
  58                         if ((cs = strchr(s, '.')) != NULL) {
  59                                 ret = cs + 1;
  60 #ifdef TRANSITION_PERIOD_HACK
  61                                 if (strncmp(ret, "ISO_", 4) == 0) {
  62                                         int slen = strlen(ret);
  63
  64                                         if ((cset = reallocf(cset, slen)) != NULL) {
  65                                                 strcpy(cset, "ISO");
  66                                                 strcat(cset, ret + 4);
  67                                                 ret = cset;
  68                                         } else
  69                                                 ret = "";
  70                                 } else if (strcmp(ret, "EUC") == 0) {
  71                                         if (strncmp(s, "ja_JP", 5) == 0)
  72                                                 ret = "eucJP";
  73                                         else if (strncmp(s, "ko_KR", 5) == 0)
  74                                                 ret = "eucKR";
  75                                         else if (strncmp(s, "zh_CN", 5) == 0)
  76                                                 ret = "eucCN";
  77                                 } else if (strcmp(ret, "ASCII") == 0)
  78                                         ret = "US-ASCII";
  79 #endif /* TRANSITION_PERIOD_HACK */
  80                         } else if (strcmp(s, "C") == 0 ||
  81                                    strcmp(s, "POSIX") == 0
  82 #ifdef TRANSITION_PERIOD_HACK
  83                                    || strstr(s, "ASCII") != NULL
  84 #endif /* TRANSITION_PERIOD_HACK */
  85                                   )
  86                                 ret = "US-ASCII";
  87                 }
  88                 break;
  89         case D_T_FMT:
  90                 ret = (char *) __get_current_time_locale()->c_fmt;
  91                 break;
  92         case D_FMT:
  93                 ret = (char *) __get_current_time_locale()->x_fmt;
  94                 break;
  95         case T_FMT:
  96                 ret = (char *) __get_current_time_locale()->X_fmt;
  97                 break;
  98         case T_FMT_AMPM:
  99                 ret = (char *) __get_current_time_locale()->ampm_fmt;
 100                 break;
 101         case AM_STR:
 102                 ret = (char *) __get_current_time_locale()->am;
 103                 break;
 104         case PM_STR:
 105                 ret = (char *) __get_current_time_locale()->pm;
 106                 break;
 107         case DAY_1: case DAY_2: case DAY_3:
 108         case DAY_4: case DAY_5: case DAY_6: case DAY_7:
 109                 ret = (char*) __get_current_time_locale()->weekday[_REL(DAY_1)];
 110                 break;
 111         case ABDAY_1: case ABDAY_2: case ABDAY_3:
 112         case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
 113                 ret = (char*) __get_current_time_locale()->wday[_REL(ABDAY_1)];
 114                 break;
 115         case MON_1: case MON_2: case MON_3: case MON_4:
 116         case MON_5: case MON_6: case MON_7: case MON_8:
 117         case MON_9: case MON_10: case MON_11: case MON_12:
 118                 ret = (char*) __get_current_time_locale()->month[_REL(MON_1)];
 119                 break;
 120         case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
 121         case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
 122         case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
 123                 ret = (char*) __get_current_time_locale()->mon[_REL(ABMON_1)];
 124                 break;
 125         case ERA:
 126                 /* XXX: need to be implemented  */
 127                 ret = "";
 128                 break;
 129         case ERA_D_FMT:
 130                 /* XXX: need to be implemented  */
 131                 ret = "";
 132                 break;
 133         case ERA_D_T_FMT:
 134                 /* XXX: need to be implemented  */
 135                 ret = "";
 136                 break;
 137         case ERA_T_FMT:
 138                 /* XXX: need to be implemented  */
 139                 ret = "";
 140                 break;
 141         case ALT_DIGITS:
 142                 /* XXX: need to be implemented  */
 143                 ret = "";
 144                 break;
 145         case RADIXCHAR:
 146                 ret = (char*) __get_current_numeric_locale()->decimal_point;
 147                 break;
 148         case THOUSEP:
 149                 ret = (char*) __get_current_numeric_locale()->thousands_sep;
 150                 break;
 151         case YESEXPR:
 152                 ret = (char*) __get_current_messages_locale()->yesexpr;
 153                 break;
 154         case NOEXPR:
 155                 ret = (char*) __get_current_messages_locale()->noexpr;
 156                 break;
 157         /*
 158          * All items marked with LEGACY are available, but not recomended
 159          * by SUSv2 to be used in portable applications since they're subject
 160          * to remove in future specification editions
 161          */
 162         case YESSTR:            /* LEGACY  */
 163                 ret = (char*) __get_current_messages_locale()->yesstr;
 164                 break;
 165         case NOSTR:             /* LEGACY  */
 166                 ret = (char*) __get_current_messages_locale()->nostr;
 167                 break;
 168         case CRNCYSTR:
 169                 ret = "";
 170                 cs = (char*) __get_current_monetary_locale()->currency_symbol;
 171                 if (*cs != '\0') {
 172                         char pos = localeconv()->p_cs_precedes;
 173
 174                         if (pos == localeconv()->n_cs_precedes) {
 175                                 char psn = '\0';
 176
 177                                 if (pos == CHAR_MAX) {
 178                                         if (strcmp(cs, __get_current_monetary_locale()->mon_decimal_point) == 0)
 179                                                 psn = '.';
 180                                 } else
 181                                         psn = pos ? '-' : '+';
 182                                 if (psn != '\0') {
 183                                         int clen = strlen(cs);
 184
 185                                         if ((csym = reallocf(csym, clen + 2)) != NULL) {
 186                                                 *csym = psn;
 187                                                 strcpy(csym + 1, cs);
 188                                                 ret = csym;
 189                                         }
 190                                 }
 191                         }
 192                 }
 193                 break;
 194         case D_MD_ORDER:        /* local extension */
 195                 ret = (char *) __get_current_time_locale()->md_order;
 196                 break;
 197         default:
 198                 ret = "";
 199    }
 200    return (ret);
 201 }