xref: /freebsd/lib/libc/locale/nl_langinfo.c (revision eda14cbc264d6969b02f2b1994cef11148e914f1)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2001, 2003 Alexey Zelkin <phantom@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Copyright (c) 2011 The FreeBSD Foundation
8  * All rights reserved.
9  * Portions of this software were developed by David Chisnall
10  * under sponsorship from the FreeBSD Foundation.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
36 
37 #include <langinfo.h>
38 #include <limits.h>
39 #include <locale.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <runetype.h>
43 #include <wchar.h>
44 
45 #include "mblocal.h"
46 #include "lnumeric.h"
47 #include "lmessages.h"
48 #include "lmonetary.h"
49 #include "../stdtime/timelocal.h"
50 
51 #define _REL(BASE) ((int)item-BASE)
52 
53 char *
54 nl_langinfo_l(nl_item item, locale_t loc)
55 {
56    char *ret, *cs;
57    const char *s;
58    FIX_LOCALE(loc);
59 
60    switch (item) {
61 	case CODESET:
62 		s = XLOCALE_CTYPE(loc)->runes->__encoding;
63 		if (strcmp(s, "EUC-CN") == 0)
64 			ret = "eucCN";
65 		else if (strcmp(s, "EUC-JP") == 0)
66 			ret = "eucJP";
67 		else if (strcmp(s, "EUC-KR") == 0)
68 			ret = "eucKR";
69 		else if (strcmp(s, "EUC-TW") == 0)
70 			ret = "eucTW";
71 		else if (strcmp(s, "BIG5") == 0)
72 			ret = "Big5";
73 		else if (strcmp(s, "MSKanji") == 0)
74 			ret = "SJIS";
75 		else if (strcmp(s, "NONE") == 0)
76 			ret = "US-ASCII";
77 		else if (strncmp(s, "NONE:", 5) == 0)
78 			ret = (char *)(s + 5);
79 		else
80 			ret = (char *)s;
81 		break;
82 	case D_T_FMT:
83 		ret = (char *) __get_current_time_locale(loc)->c_fmt;
84 		break;
85 	case D_FMT:
86 		ret = (char *) __get_current_time_locale(loc)->x_fmt;
87 		break;
88 	case T_FMT:
89 		ret = (char *) __get_current_time_locale(loc)->X_fmt;
90 		break;
91 	case T_FMT_AMPM:
92 		ret = (char *) __get_current_time_locale(loc)->ampm_fmt;
93 		break;
94 	case AM_STR:
95 		ret = (char *) __get_current_time_locale(loc)->am;
96 		break;
97 	case PM_STR:
98 		ret = (char *) __get_current_time_locale(loc)->pm;
99 		break;
100 	case DAY_1: case DAY_2: case DAY_3:
101 	case DAY_4: case DAY_5: case DAY_6: case DAY_7:
102 		ret = (char*) __get_current_time_locale(loc)->weekday[_REL(DAY_1)];
103 		break;
104 	case ABDAY_1: case ABDAY_2: case ABDAY_3:
105 	case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
106 		ret = (char*) __get_current_time_locale(loc)->wday[_REL(ABDAY_1)];
107 		break;
108 	case MON_1: case MON_2: case MON_3: case MON_4:
109 	case MON_5: case MON_6: case MON_7: case MON_8:
110 	case MON_9: case MON_10: case MON_11: case MON_12:
111 		ret = (char*) __get_current_time_locale(loc)->month[_REL(MON_1)];
112 		break;
113 	case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
114 	case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
115 	case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
116 		ret = (char*) __get_current_time_locale(loc)->mon[_REL(ABMON_1)];
117 		break;
118 	case ALTMON_1: case ALTMON_2: case ALTMON_3: case ALTMON_4:
119 	case ALTMON_5: case ALTMON_6: case ALTMON_7: case ALTMON_8:
120 	case ALTMON_9: case ALTMON_10: case ALTMON_11: case ALTMON_12:
121 		ret = (char*)
122 		    __get_current_time_locale(loc)->alt_month[_REL(ALTMON_1)];
123 		break;
124 	case ERA:
125 		/* XXX: need to be implemented  */
126 		ret = "";
127 		break;
128 	case ERA_D_FMT:
129 		/* XXX: need to be implemented  */
130 		ret = "";
131 		break;
132 	case ERA_D_T_FMT:
133 		/* XXX: need to be implemented  */
134 		ret = "";
135 		break;
136 	case ERA_T_FMT:
137 		/* XXX: need to be implemented  */
138 		ret = "";
139 		break;
140 	case ALT_DIGITS:
141 		/* XXX: need to be implemented  */
142 		ret = "";
143 		break;
144 	case RADIXCHAR:
145 		ret = (char*) __get_current_numeric_locale(loc)->decimal_point;
146 		break;
147 	case THOUSEP:
148 		ret = (char*) __get_current_numeric_locale(loc)->thousands_sep;
149 		break;
150 	case YESEXPR:
151 		ret = (char*) __get_current_messages_locale(loc)->yesexpr;
152 		break;
153 	case NOEXPR:
154 		ret = (char*) __get_current_messages_locale(loc)->noexpr;
155 		break;
156 	/*
157 	 * YESSTR and NOSTR items marked with LEGACY are available, but not
158 	 * recommended by SUSv2 to be used in portable applications since
159 	 * they're subject to remove in future specification editions.
160 	 */
161 	case YESSTR:            /* LEGACY  */
162 		ret = (char*) __get_current_messages_locale(loc)->yesstr;
163 		break;
164 	case NOSTR:             /* LEGACY  */
165 		ret = (char*) __get_current_messages_locale(loc)->nostr;
166 		break;
167 	/*
168 	 * SUSv2 special formatted currency string
169 	 */
170 	case CRNCYSTR:
171 		ret = "";
172 		cs = (char*) __get_current_monetary_locale(loc)->currency_symbol;
173 		if (*cs != '\0') {
174 			char pos = localeconv_l(loc)->p_cs_precedes;
175 
176 			if (pos == localeconv_l(loc)->n_cs_precedes) {
177 				char psn = '\0';
178 
179 				if (pos == CHAR_MAX) {
180 					if (strcmp(cs, __get_current_monetary_locale(loc)->mon_decimal_point) == 0)
181 						psn = '.';
182 				} else
183 					psn = pos ? '-' : '+';
184 				if (psn != '\0') {
185 					int clen = strlen(cs);
186 
187 					if ((loc->csym = reallocf(loc->csym, clen + 2)) != NULL) {
188 						*loc->csym = psn;
189 						strcpy(loc->csym + 1, cs);
190 						ret = loc->csym;
191 					}
192 				}
193 			}
194 		}
195 		break;
196 	case D_MD_ORDER:        /* FreeBSD local extension */
197 		ret = (char *) __get_current_time_locale(loc)->md_order;
198 		break;
199 	default:
200 		ret = "";
201    }
202    return (ret);
203 }
204 
205 char *
206 nl_langinfo(nl_item item)
207 {
208 	return nl_langinfo_l(item, __get_locale());
209 }
210