nl_langinfo.c revision 78758
1/*- 2 * Copyright (c) 2001 Alexey Zelkin 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 * $FreeBSD: head/lib/libc/locale/nl_langinfo.c 78758 2001-06-25 09:03:10Z ache $ 27 */ 28 29#include <locale.h> 30#include <langinfo.h> 31#include <limits.h> 32#include <stdlib.h> 33#include <string.h> 34#include "../stdtime/timelocal.h" 35#include "lnumeric.h" 36#include "lmonetary.h" 37#include "lmessages.h" 38 39#define TRANSITION_PERIOD_HACK 40 41#define _REL(BASE) ((int)item-BASE) 42 43char * 44nl_langinfo(nl_item item) { 45 46 char *ret, *s, *cs; 47 static char *csym = NULL; 48#ifdef TRANSITION_PERIOD_HACK 49 static char *cset = NULL; 50#endif /* TRANSITION_PERIOD_HACK */ 51 52 switch (item) { 53 case CODESET: 54 ret = ""; 55 if ((s = setlocale(LC_CTYPE, NULL)) != NULL) { 56 if ((cs = strchr(s, '.')) != NULL) { 57 ret = cs + 1; 58#ifdef TRANSITION_PERIOD_HACK 59 if (strncmp(ret, "ISO_", 4) == 0) { 60 int slen = strlen(ret); 61 62 if ((cset = reallocf(cset, slen)) != NULL) { 63 strcpy(cset, "ISO"); 64 strcat(cset, ret + 4); 65 ret = cset; 66 } 67 } else if (strcmp(ret, "EUC") == 0) { 68 if (strncmp(s, "ja_JP", 5) == 0) 69 ret = "eucJP"; 70 else if (strncmp(s, "ko_KR", 5) == 0) 71 ret = "eucKR"; 72 else if (strncmp(s, "zh_CN", 5) == 0) 73 ret = "eucCN"; 74 } else if (strcmp(ret, "ASCII") == 0) 75 ret = "US-ASCII"; 76#endif /* TRANSITION_PERIOD_HACK */ 77 } else if (strcmp(s, "C") == 0 || 78 strcmp(s, "POSIX") == 0 79#ifdef TRANSITION_PERIOD_HACK 80 || strstr(s, "ASCII") != NULL 81#endif /* TRANSITION_PERIOD_HACK */ 82 ) 83 ret = "US-ASCII"; 84 } 85 break; 86 case D_T_FMT: 87 ret = (char *) __get_current_time_locale()->c_fmt; 88 break; 89 case D_FMT: 90 ret = (char *) __get_current_time_locale()->x_fmt; 91 break; 92 case T_FMT: 93 ret = (char *) __get_current_time_locale()->X_fmt; 94 break; 95 case T_FMT_AMPM: 96 ret = (char *) __get_current_time_locale()->ampm_fmt; 97 break; 98 case AM_STR: 99 ret = (char *) __get_current_time_locale()->am; 100 break; 101 case PM_STR: 102 ret = (char *) __get_current_time_locale()->pm; 103 break; 104 case DAY_1: case DAY_2: case DAY_3: 105 case DAY_4: case DAY_5: case DAY_6: case DAY_7: 106 ret = (char*) __get_current_time_locale()->weekday[_REL(DAY_1)]; 107 break; 108 case ABDAY_1: case ABDAY_2: case ABDAY_3: 109 case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7: 110 ret = (char*) __get_current_time_locale()->wday[_REL(ABDAY_1)]; 111 break; 112 case MON_1: case MON_2: case MON_3: case MON_4: 113 case MON_5: case MON_6: case MON_7: case MON_8: 114 case MON_9: case MON_10: case MON_11: case MON_12: 115 ret = (char*) __get_current_time_locale()->month[_REL(MON_1)]; 116 break; 117 case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4: 118 case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8: 119 case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12: 120 ret = (char*) __get_current_time_locale()->mon[_REL(ABMON_1)]; 121 break; 122 case ERA: 123 /* XXX: need to be implemented */ 124 ret = ""; 125 break; 126 case ERA_D_FMT: 127 /* XXX: need to be implemented */ 128 ret = ""; 129 break; 130 case ERA_D_T_FMT: 131 /* XXX: need to be implemented */ 132 ret = ""; 133 break; 134 case ERA_T_FMT: 135 /* XXX: need to be implemented */ 136 ret = ""; 137 break; 138 case ALT_DIGITS: 139 /* XXX: need to be implemented */ 140 ret = ""; 141 break; 142 case RADIXCHAR: 143 ret = (char*) __get_current_numeric_locale()->decimal_point; 144 break; 145 case THOUSEP: 146 ret = (char*) __get_current_numeric_locale()->thousands_sep; 147 break; 148 case YESEXPR: 149 ret = (char*) __get_current_messages_locale()->yesexpr; 150 break; 151 case NOEXPR: 152 ret = (char*) __get_current_messages_locale()->noexpr; 153 break; 154 /* All items marked with LEGACY are available, but not recomended 155 * by SUSv2 to be used in portable applications since they're subject 156 * to remove in future specification editions 157 */ 158 case YESSTR: /* LEGACY */ 159 ret = (char*) __get_current_messages_locale()->yesstr; 160 break; 161 case NOSTR: /* LEGACY */ 162 ret = (char*) __get_current_messages_locale()->nostr; 163 break; 164 case CRNCYSTR: 165 ret = ""; 166 cs = (char*) __get_current_monetary_locale()->currency_symbol; 167 if (*cs != '\0') { 168 char pos = localeconv()->p_cs_precedes; 169 170 if (pos == localeconv()->n_cs_precedes) { 171 char psn = '\0'; 172 173 if (pos == CHAR_MAX) { 174 if (strcmp(cs, __get_current_monetary_locale()->mon_decimal_point) == 0) 175 psn = '.'; 176 } else 177 psn = pos ? '-' : '+'; 178 if (psn != '\0') { 179 int clen = strlen(cs); 180 181 if ((csym = reallocf(csym, clen + 2)) != NULL) { 182 *csym = psn; 183 strcpy(csym + 1, cs); 184 ret = csym; 185 } 186 } 187 } 188 } 189 break; 190 case D_MD_ORDER: /* local extension */ 191 ret = (char *) __get_current_time_locale()->md_order; 192 break; 193 default: 194 ret = ""; 195 } 196 return (ret); 197} 198