xref: /freebsd/lib/libc/locale/nl_langinfo.c (revision 39ee7a7a6bdd1557b1c3532abf60d139798ac88b)
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 
41 #include "lnumeric.h"
42 #include "lmessages.h"
43 #include "lmonetary.h"
44 #include "../stdtime/timelocal.h"
45 
46 #define _REL(BASE) ((int)item-BASE)
47 
48 char *
49 nl_langinfo_l(nl_item item, locale_t loc)
50 {
51    char *ret, *cs;
52    const char *s;
53    FIX_LOCALE(loc);
54 
55    switch (item) {
56 	case CODESET:
57 		ret = "";
58 		if ((s = querylocale(LC_CTYPE_MASK, loc)) != NULL) {
59 			if ((cs = strchr(s, '.')) != NULL)
60 				ret = cs + 1;
61 			else if (strcmp(s, "C") == 0 ||
62 				 strcmp(s, "POSIX") == 0)
63 				ret = "US-ASCII";
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 ALTMON_1: case ALTMON_2: case ALTMON_3: case ALTMON_4:
103 	case ALTMON_5: case ALTMON_6: case ALTMON_7: case ALTMON_8:
104 	case ALTMON_9: case ALTMON_10: case ALTMON_11: case ALTMON_12:
105 		ret = (char*)
106 		    __get_current_time_locale(loc)->alt_month[_REL(ALTMON_1)];
107 		break;
108 	case ERA:
109 		/* XXX: need to be implemented  */
110 		ret = "";
111 		break;
112 	case ERA_D_FMT:
113 		/* XXX: need to be implemented  */
114 		ret = "";
115 		break;
116 	case ERA_D_T_FMT:
117 		/* XXX: need to be implemented  */
118 		ret = "";
119 		break;
120 	case ERA_T_FMT:
121 		/* XXX: need to be implemented  */
122 		ret = "";
123 		break;
124 	case ALT_DIGITS:
125 		/* XXX: need to be implemented  */
126 		ret = "";
127 		break;
128 	case RADIXCHAR:
129 		ret = (char*) __get_current_numeric_locale(loc)->decimal_point;
130 		break;
131 	case THOUSEP:
132 		ret = (char*) __get_current_numeric_locale(loc)->thousands_sep;
133 		break;
134 	case YESEXPR:
135 		ret = (char*) __get_current_messages_locale(loc)->yesexpr;
136 		break;
137 	case NOEXPR:
138 		ret = (char*) __get_current_messages_locale(loc)->noexpr;
139 		break;
140 	/*
141 	 * YESSTR and NOSTR items marked with LEGACY are available, but not
142 	 * recomended by SUSv2 to be used in portable applications since
143 	 * they're subject to remove in future specification editions.
144 	 */
145 	case YESSTR:            /* LEGACY  */
146 		ret = (char*) __get_current_messages_locale(loc)->yesstr;
147 		break;
148 	case NOSTR:             /* LEGACY  */
149 		ret = (char*) __get_current_messages_locale(loc)->nostr;
150 		break;
151 	/*
152 	 * SUSv2 special formatted currency string
153 	 */
154 	case CRNCYSTR:
155 		ret = "";
156 		cs = (char*) __get_current_monetary_locale(loc)->currency_symbol;
157 		if (*cs != '\0') {
158 			char pos = localeconv_l(loc)->p_cs_precedes;
159 
160 			if (pos == localeconv_l(loc)->n_cs_precedes) {
161 				char psn = '\0';
162 
163 				if (pos == CHAR_MAX) {
164 					if (strcmp(cs, __get_current_monetary_locale(loc)->mon_decimal_point) == 0)
165 						psn = '.';
166 				} else
167 					psn = pos ? '-' : '+';
168 				if (psn != '\0') {
169 					int clen = strlen(cs);
170 
171 					if ((loc->csym = reallocf(loc->csym, clen + 2)) != NULL) {
172 						*loc->csym = psn;
173 						strcpy(loc->csym + 1, cs);
174 						ret = loc->csym;
175 					}
176 				}
177 			}
178 		}
179 		break;
180 	case D_MD_ORDER:        /* FreeBSD local extension */
181 		ret = (char *) __get_current_time_locale(loc)->md_order;
182 		break;
183 	default:
184 		ret = "";
185    }
186    return (ret);
187 }
188 
189 char *
190 nl_langinfo(nl_item item)
191 {
192 	return nl_langinfo_l(item, __get_locale());
193 }
194