xref: /freebsd/lib/libc/locale/nl_langinfo.c (revision 18849b5da0c5eaa88500b457be05b038813b51b1)
1 /*-
2  * Copyright (c) 2001, 2003 Alexey Zelkin <phantom@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Copyright (c) 2011 The FreeBSD Foundation
6  * All rights reserved.
7  * Portions of this software were developed by David Chisnall
8  * under sponsorship from the FreeBSD Foundation.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34 
35 #include <langinfo.h>
36 #include <limits.h>
37 #include <locale.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <runetype.h>
41 #include <wchar.h>
42 
43 #include "mblocal.h"
44 #include "lnumeric.h"
45 #include "lmessages.h"
46 #include "lmonetary.h"
47 #include "../stdtime/timelocal.h"
48 
49 #define _REL(BASE) ((int)item-BASE)
50 
51 char *
52 nl_langinfo_l(nl_item item, locale_t loc)
53 {
54    char *ret, *cs;
55    const char *s;
56    FIX_LOCALE(loc);
57 
58    switch (item) {
59 	case CODESET:
60 		s = XLOCALE_CTYPE(loc)->runes->__encoding;
61 		if (strcmp(s, "EUC-CN") == 0)
62 			ret = "eucCN";
63 		else if (strcmp(s, "EUC-JP") == 0)
64 			ret = "eucJP";
65 		else if (strcmp(s, "EUC-KR") == 0)
66 			ret = "eucKR";
67 		else if (strcmp(s, "EUC-TW") == 0)
68 			ret = "eucTW";
69 		else if (strcmp(s, "BIG5") == 0)
70 			ret = "Big5";
71 		else if (strcmp(s, "MSKanji") == 0)
72 			ret = "SJIS";
73 		else if (strcmp(s, "NONE") == 0)
74 			ret = "US-ASCII";
75 		else if (strncmp(s, "NONE:", 5) == 0)
76 			ret = (char *)(s + 5);
77 		else
78 			ret = (char *)s;
79 		break;
80 	case D_T_FMT:
81 		ret = (char *) __get_current_time_locale(loc)->c_fmt;
82 		break;
83 	case D_FMT:
84 		ret = (char *) __get_current_time_locale(loc)->x_fmt;
85 		break;
86 	case T_FMT:
87 		ret = (char *) __get_current_time_locale(loc)->X_fmt;
88 		break;
89 	case T_FMT_AMPM:
90 		ret = (char *) __get_current_time_locale(loc)->ampm_fmt;
91 		break;
92 	case AM_STR:
93 		ret = (char *) __get_current_time_locale(loc)->am;
94 		break;
95 	case PM_STR:
96 		ret = (char *) __get_current_time_locale(loc)->pm;
97 		break;
98 	case DAY_1: case DAY_2: case DAY_3:
99 	case DAY_4: case DAY_5: case DAY_6: case DAY_7:
100 		ret = (char*) __get_current_time_locale(loc)->weekday[_REL(DAY_1)];
101 		break;
102 	case ABDAY_1: case ABDAY_2: case ABDAY_3:
103 	case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
104 		ret = (char*) __get_current_time_locale(loc)->wday[_REL(ABDAY_1)];
105 		break;
106 	case MON_1: case MON_2: case MON_3: case MON_4:
107 	case MON_5: case MON_6: case MON_7: case MON_8:
108 	case MON_9: case MON_10: case MON_11: case MON_12:
109 		ret = (char*) __get_current_time_locale(loc)->month[_REL(MON_1)];
110 		break;
111 	case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
112 	case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
113 	case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
114 		ret = (char*) __get_current_time_locale(loc)->mon[_REL(ABMON_1)];
115 		break;
116 	case ALTMON_1: case ALTMON_2: case ALTMON_3: case ALTMON_4:
117 	case ALTMON_5: case ALTMON_6: case ALTMON_7: case ALTMON_8:
118 	case ALTMON_9: case ALTMON_10: case ALTMON_11: case ALTMON_12:
119 		ret = (char*)
120 		    __get_current_time_locale(loc)->alt_month[_REL(ALTMON_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(loc)->decimal_point;
144 		break;
145 	case THOUSEP:
146 		ret = (char*) __get_current_numeric_locale(loc)->thousands_sep;
147 		break;
148 	case YESEXPR:
149 		ret = (char*) __get_current_messages_locale(loc)->yesexpr;
150 		break;
151 	case NOEXPR:
152 		ret = (char*) __get_current_messages_locale(loc)->noexpr;
153 		break;
154 	/*
155 	 * YESSTR and NOSTR items marked with LEGACY are available, but not
156 	 * recommended by SUSv2 to be used in portable applications since
157 	 * they're subject to remove in future specification editions.
158 	 */
159 	case YESSTR:            /* LEGACY  */
160 		ret = (char*) __get_current_messages_locale(loc)->yesstr;
161 		break;
162 	case NOSTR:             /* LEGACY  */
163 		ret = (char*) __get_current_messages_locale(loc)->nostr;
164 		break;
165 	/*
166 	 * SUSv2 special formatted currency string
167 	 */
168 	case CRNCYSTR:
169 		ret = "";
170 		cs = (char*) __get_current_monetary_locale(loc)->currency_symbol;
171 		if (*cs != '\0') {
172 			char pos = localeconv_l(loc)->p_cs_precedes;
173 
174 			if (pos == localeconv_l(loc)->n_cs_precedes) {
175 				char psn = '\0';
176 
177 				if (pos == CHAR_MAX) {
178 					if (strcmp(cs, __get_current_monetary_locale(loc)->mon_decimal_point) == 0)
179 						psn = '.';
180 				} else
181 					psn = pos ? '-' : '+';
182 				if (psn != '\0') {
183 					int clen = strlen(cs);
184 
185 					if ((loc->csym = reallocf(loc->csym, clen + 2)) != NULL) {
186 						*loc->csym = psn;
187 						strcpy(loc->csym + 1, cs);
188 						ret = loc->csym;
189 					}
190 				}
191 			}
192 		}
193 		break;
194 	case D_MD_ORDER:        /* FreeBSD local extension */
195 		ret = (char *) __get_current_time_locale(loc)->md_order;
196 		break;
197 	default:
198 		ret = "";
199    }
200    return (ret);
201 }
202 
203 char *
204 nl_langinfo(nl_item item)
205 {
206 	return nl_langinfo_l(item, __get_locale());
207 }
208