nl_langinfo.c revision 227753
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: head/lib/libc/locale/nl_langinfo.c 227753 2011-11-20 14:45:42Z theraven $");
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
48char *
49nl_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
189char *
190nl_langinfo(nl_item item)
191{
192	return nl_langinfo_l(item, __get_locale());
193}
194