1/*-
2 * Copyright (c) 2001, 2003 Alexey Zelkin <phantom@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: src/lib/libc/locale/nl_langinfo.c,v 1.17 2003/06/26 10:46:16 phantom Exp $");
29
30#include "xlocale_private.h"
31
32#include <langinfo.h>
33#include <limits.h>
34#include <locale.h>
35#include <stdlib.h>
36#include <string.h>
37
38#include "lnumeric.h"
39#include "lmessages.h"
40#include "lmonetary.h"
41#include "timelocal.h"
42
43#define _REL(BASE) ((int)item-BASE)
44
45char *
46nl_langinfo_l(nl_item item, locale_t loc)
47{
48   char *ret, *cs;
49   const char *s;
50   static char *csym = NULL;
51
52   NORMALIZE_LOCALE(loc);
53   switch (item) {
54	case CODESET:
55		ret = "";
56		if ((s = querylocale(LC_CTYPE_MASK, loc)) != NULL) {
57			if ((cs = strchr(s, '.')) != NULL)
58				ret = cs + 1;
59			else if (strcmp(s, "C") == 0 ||
60				 strcmp(s, "POSIX") == 0)
61				ret = "US-ASCII";
62			else if (strcmp(s, "UTF-8") == 0)
63				ret = "UTF-8";
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 ERA:
103		/* XXX: need to be implemented  */
104		ret = "";
105		break;
106	case ERA_D_FMT:
107		/* XXX: need to be implemented  */
108		ret = "";
109		break;
110	case ERA_D_T_FMT:
111		/* XXX: need to be implemented  */
112		ret = "";
113		break;
114	case ERA_T_FMT:
115		/* XXX: need to be implemented  */
116		ret = "";
117		break;
118	case ALT_DIGITS:
119		/* XXX: need to be implemented  */
120		ret = "";
121		break;
122	case RADIXCHAR:
123		ret = (char*) __get_current_numeric_locale(loc)->decimal_point;
124		break;
125	case THOUSEP:
126		ret = (char*) __get_current_numeric_locale(loc)->thousands_sep;
127		break;
128	case YESEXPR:
129		ret = (char*) __get_current_messages_locale(loc)->yesexpr;
130		break;
131	case NOEXPR:
132		ret = (char*) __get_current_messages_locale(loc)->noexpr;
133		break;
134	/*
135	 * YESSTR and NOSTR items marked with LEGACY are available, but not
136	 * recomended by SUSv2 to be used in portable applications since
137	 * they're subject to remove in future specification editions.
138	 */
139	case YESSTR:            /* LEGACY  */
140		ret = (char*) __get_current_messages_locale(loc)->yesstr;
141		break;
142	case NOSTR:             /* LEGACY  */
143		ret = (char*) __get_current_messages_locale(loc)->nostr;
144		break;
145	/*
146	 * SUSv2 special formatted currency string
147	 */
148	case CRNCYSTR:
149		ret = "";
150		cs = (char*) __get_current_monetary_locale(loc)->currency_symbol;
151		if (*cs != '\0') {
152			char pos = localeconv_l(loc)->p_cs_precedes;
153
154			if (pos == localeconv_l(loc)->n_cs_precedes) {
155				char psn = '\0';
156
157				if (pos == CHAR_MAX) {
158					if (strcmp(cs, __get_current_monetary_locale(loc)->mon_decimal_point) == 0)
159						psn = '.';
160				} else
161					psn = pos ? '-' : '+';
162				if (psn != '\0') {
163					int clen = strlen(cs);
164
165					if ((csym = reallocf(csym, clen + 2)) != NULL) {
166						*csym = psn;
167						strcpy(csym + 1, cs);
168						ret = csym;
169					}
170				}
171			}
172		}
173		break;
174	case D_MD_ORDER:        /* FreeBSD local extension */
175		ret = (char *) __get_current_time_locale(loc)->md_order;
176		break;
177	default:
178		return "";	/* do not consult POSIX */
179   }
180   if (ret && !ret[0] && item != D_MD_ORDER && item != CODESET && loc != _c_locale) {
181       ret = nl_langinfo_l(item, _c_locale);
182   }
183   return (ret);
184}
185
186char *
187nl_langinfo(nl_item item)
188{
189	return (nl_langinfo_l(item, __current_locale()));
190}
191