xref: /illumos-gate/usr/src/lib/libc/port/locale/nl_langinfo.c (revision 0250c53ad267726f2438e3c6556199a0bbf588a2)
1 /*
2  * Copyright 2013 Garrett D'Amore <garrett@damore.org>
3  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
4  * Copyright (c) 2001, 2003 Alexey Zelkin <phantom@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include "lint.h"
30 #include <langinfo.h>
31 #include <limits.h>
32 #include <locale.h>
33 #include <stdlib.h>
34 #include <string.h>
35 
36 #include "lnumeric.h"
37 #include "lmessages.h"
38 #include "lmonetary.h"
39 #include "timelocal.h"
40 #include "localeimpl.h"
41 
42 #define	_REL(BASE) ((int)item-BASE)
43 
44 #pragma weak _nl_langinfo = nl_langinfo
45 
46 char *
47 nl_langinfo_l(nl_item item, locale_t loc)
48 {
49 	char *ret, *s, *cs;
50 	struct locdata *ldata;
51 	const struct lc_monetary *lmon = loc->monetary;
52 	const struct lc_numeric *lnum = loc->numeric;
53 	const struct lc_messages *lmsgs = loc->messages;
54 	const struct lc_time *ltime = loc->time;
55 
56 	switch (item) {
57 	case CODESET:
58 		ret = "";
59 		/*
60 		 * The codeset is the suffix of a locale, for most it will
61 		 * will be UTF-8, as in "en_US.UTF-8".  Short form locales are
62 		 * not supported.  Note also that although FreeBSD uses
63 		 * US-ASCII, Solaris historically has reported "646" for the
64 		 * C locale.
65 		 *
66 		 * Note that this code will need to change if we ever support
67 		 * POSIX defined locale variants (suffixes with an @ sign)
68 		 */
69 		ldata = loc->locdata[LC_CTYPE];
70 		s = ldata ? ldata->l_lname : NULL;
71 		if (s != NULL) {
72 			if ((cs = strchr(s, '.')) != NULL)
73 				ret = cs + 1;
74 			else if (strcmp(s, "C") == 0 || strcmp(s, "POSIX") == 0)
75 				ret = "646";
76 		}
77 		break;
78 	case D_T_FMT:
79 		ret = (char *)ltime->c_fmt;
80 		break;
81 	case D_FMT:
82 		ret = (char *)ltime->x_fmt;
83 		break;
84 	case T_FMT:
85 		ret = (char *)ltime->X_fmt;
86 		break;
87 	case T_FMT_AMPM:
88 		ret = (char *)ltime->ampm_fmt;
89 		break;
90 	case AM_STR:
91 		ret = (char *)ltime->am;
92 		break;
93 	case PM_STR:
94 		ret = (char *)ltime->pm;
95 		break;
96 	case DAY_1: case DAY_2: case DAY_3:
97 	case DAY_4: case DAY_5: case DAY_6: case DAY_7:
98 		ret = (char *)ltime->weekday[_REL(DAY_1)];
99 		break;
100 	case ABDAY_1: case ABDAY_2: case ABDAY_3:
101 	case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
102 		ret = (char *)ltime->wday[_REL(ABDAY_1)];
103 		break;
104 	case MON_1: case MON_2: case MON_3: case MON_4:
105 	case MON_5: case MON_6: case MON_7: case MON_8:
106 	case MON_9: case MON_10: case MON_11: case MON_12:
107 		ret = (char *)ltime->month[_REL(MON_1)];
108 		break;
109 	case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
110 	case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
111 	case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
112 		ret = (char *)ltime->mon[_REL(ABMON_1)];
113 		break;
114 	case ERA:
115 		/* XXX: need to be implemented  */
116 		ret = "";
117 		break;
118 	case ERA_D_FMT:
119 		/* XXX: need to be implemented  */
120 		ret = "";
121 		break;
122 	case ERA_D_T_FMT:
123 		/* XXX: need to be implemented  */
124 		ret = "";
125 		break;
126 	case ERA_T_FMT:
127 		/* XXX: need to be implemented  */
128 		ret = "";
129 		break;
130 	case ALT_DIGITS:
131 		/* XXX: need to be implemented  */
132 		ret = "";
133 		break;
134 	case RADIXCHAR:
135 		ret = (char *)lnum->decimal_point;
136 		break;
137 	case THOUSEP:
138 		ret = (char *)lnum->thousands_sep;
139 		break;
140 	case YESEXPR:
141 		ret = (char *)lmsgs->yesexpr;
142 		break;
143 	case NOEXPR:
144 		ret = (char *)lmsgs->noexpr;
145 		break;
146 	/*
147 	 * YESSTR and NOSTR items were removed from Issue 7.  But
148 	 * older applications might still need them.  Their use is
149 	 * discouraged.
150 	 */
151 	case YESSTR:	/* LEGACY  */
152 		ret = (char *)lmsgs->yesstr;
153 		break;
154 	case NOSTR:	/* LEGACY  */
155 		ret = (char *)lmsgs->nostr;
156 		break;
157 	/*
158 	 * SUSv2 special formatted currency string
159 	 */
160 	case CRNCYSTR:
161 		ret = lmon->crncystr;
162 		break;
163 
164 	case _DATE_FMT:		/* Solaris specific extension */
165 		ret = (char *)ltime->date_fmt;
166 		break;
167 	/*
168 	 * Note that FreeBSD also had a private D_MD_ORDER, but that appears
169 	 * to have been specific to FreeBSD, so we have not included it here.
170 	 */
171 	default:
172 		ret = "";
173 	}
174 	return (ret);
175 }
176 
177 char *
178 nl_langinfo(nl_item item)
179 {
180 	return (nl_langinfo_l(item, uselocale(NULL)));
181 }
182