nl_langinfo.c revision 87658
1/*-
2 * Copyright (c) 2001 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 * $FreeBSD: head/lib/libc/locale/nl_langinfo.c 87658 2001-12-11 15:55:42Z phantom $
27 */
28
29#include <locale.h>
30#include <langinfo.h>
31#include <limits.h>
32#include <stdlib.h>
33#include <string.h>
34
35#include "../stdtime/timelocal.h"
36#include "lnumeric.h"
37#include "lmonetary.h"
38#include "lmessages.h"
39
40#define TRANSITION_PERIOD_HACK
41
42#define _REL(BASE) ((int)item-BASE)
43
44char *
45nl_langinfo(nl_item item) {
46
47   char *ret, *s, *cs;
48   static char *csym = NULL;
49#ifdef TRANSITION_PERIOD_HACK
50   static char *cset = NULL;
51#endif /* TRANSITION_PERIOD_HACK */
52
53   switch (item) {
54	case CODESET:
55		ret = "";
56		if ((s = setlocale(LC_CTYPE, NULL)) != NULL) {
57			if ((cs = strchr(s, '.')) != NULL) {
58				ret = cs + 1;
59#ifdef TRANSITION_PERIOD_HACK
60				if (strncmp(ret, "ISO_", 4) == 0) {
61					int slen = strlen(ret);
62
63					if ((cset = reallocf(cset, slen)) != NULL) {
64						strcpy(cset, "ISO");
65						strcat(cset, ret + 4);
66						ret = cset;
67					} else
68						ret = "";
69				} else if (strcmp(ret, "EUC") == 0) {
70					if (strncmp(s, "ja_JP", 5) == 0)
71						ret = "eucJP";
72					else if (strncmp(s, "ko_KR", 5) == 0)
73						ret = "eucKR";
74					else if (strncmp(s, "zh_CN", 5) == 0)
75						ret = "eucCN";
76				} else if (strcmp(ret, "ASCII") == 0)
77					ret = "US-ASCII";
78#endif /* TRANSITION_PERIOD_HACK */
79			} else if (strcmp(s, "C") == 0 ||
80				   strcmp(s, "POSIX") == 0
81#ifdef TRANSITION_PERIOD_HACK
82				   || strstr(s, "ASCII") != NULL
83#endif /* TRANSITION_PERIOD_HACK */
84				  )
85				ret = "US-ASCII";
86		}
87		break;
88	case D_T_FMT:
89		ret = (char *) __get_current_time_locale()->c_fmt;
90		break;
91	case D_FMT:
92		ret = (char *) __get_current_time_locale()->x_fmt;
93		break;
94	case T_FMT:
95		ret = (char *) __get_current_time_locale()->X_fmt;
96		break;
97	case T_FMT_AMPM:
98		ret = (char *) __get_current_time_locale()->ampm_fmt;
99		break;
100	case AM_STR:
101		ret = (char *) __get_current_time_locale()->am;
102		break;
103	case PM_STR:
104		ret = (char *) __get_current_time_locale()->pm;
105		break;
106	case DAY_1: case DAY_2: case DAY_3:
107	case DAY_4: case DAY_5: case DAY_6: case DAY_7:
108		ret = (char*) __get_current_time_locale()->weekday[_REL(DAY_1)];
109		break;
110	case ABDAY_1: case ABDAY_2: case ABDAY_3:
111	case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
112		ret = (char*) __get_current_time_locale()->wday[_REL(ABDAY_1)];
113		break;
114	case MON_1: case MON_2: case MON_3: case MON_4:
115	case MON_5: case MON_6: case MON_7: case MON_8:
116	case MON_9: case MON_10: case MON_11: case MON_12:
117		ret = (char*) __get_current_time_locale()->month[_REL(MON_1)];
118		break;
119	case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
120	case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
121	case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
122		ret = (char*) __get_current_time_locale()->mon[_REL(ABMON_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()->decimal_point;
146		break;
147	case THOUSEP:
148		ret = (char*) __get_current_numeric_locale()->thousands_sep;
149		break;
150	case YESEXPR:
151		ret = (char*) __get_current_messages_locale()->yesexpr;
152		break;
153	case NOEXPR:
154		ret = (char*) __get_current_messages_locale()->noexpr;
155		break;
156	/*
157	 * All items marked with LEGACY are available, but not recomended
158	 * by SUSv2 to be used in portable applications since they're subject
159	 * to remove in future specification editions
160	 */
161	case YESSTR:            /* LEGACY  */
162		ret = (char*) __get_current_messages_locale()->yesstr;
163		break;
164	case NOSTR:             /* LEGACY  */
165		ret = (char*) __get_current_messages_locale()->nostr;
166		break;
167	case CRNCYSTR:
168		ret = "";
169		cs = (char*) __get_current_monetary_locale()->currency_symbol;
170		if (*cs != '\0') {
171			char pos = localeconv()->p_cs_precedes;
172
173			if (pos == localeconv()->n_cs_precedes) {
174				char psn = '\0';
175
176				if (pos == CHAR_MAX) {
177					if (strcmp(cs, __get_current_monetary_locale()->mon_decimal_point) == 0)
178						psn = '.';
179				} else
180					psn = pos ? '-' : '+';
181				if (psn != '\0') {
182					int clen = strlen(cs);
183
184					if ((csym = reallocf(csym, clen + 2)) != NULL) {
185						*csym = psn;
186						strcpy(csym + 1, cs);
187						ret = csym;
188					}
189				}
190			}
191		}
192		break;
193	case D_MD_ORDER:        /* local extension */
194		ret = (char *) __get_current_time_locale()->md_order;
195		break;
196	default:
197		ret = "";
198   }
199   return (ret);
200}
201