timelocal.c revision 101471 
1/*-
2 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
3 * Copyright (c) 1997 FreeBSD Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: head/lib/libc/stdtime/timelocal.c 101471 2002-08-07 16:49:20Z ache $");
30
31#include <stddef.h>
32
33#include "ldpart.h"
34#include "timelocal.h"
35
36static struct lc_time_T _time_locale;
37static int _time_using_locale;
38static char *time_locale_buf;
39
40#define LCTIME_SIZE (sizeof(struct lc_time_T) / sizeof(char *))
41
42static const struct lc_time_T	_C_time_locale = {
43	{
44		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
45		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
46	}, {
47		"January", "February", "March", "April", "May", "June",
48		"July", "August", "September", "October", "November", "December"
49	}, {
50		"Sun", "Mon", "Tue", "Wed",
51		"Thu", "Fri", "Sat"
52	}, {
53		"Sunday", "Monday", "Tuesday", "Wednesday",
54		"Thursday", "Friday", "Saturday"
55	},
56
57	/* X_fmt */
58	"%H:%M:%S",
59
60	/*
61	 * x_fmt
62	 * Since the C language standard calls for
63	 * "date, using locale's date format," anything goes.
64	 * Using just numbers (as here) makes Quakers happier;
65	 * it's also compatible with SVR4.
66	 */
67	"%m/%d/%y",
68
69	/*
70	 * c_fmt
71	 */
72	"%a %b %e %H:%M:%S %Y",
73
74	/* am */
75	"AM",
76
77	/* pm */
78	"PM",
79
80	/* date_fmt */
81	"%a %b %e %H:%M:%S %Z %Y",
82
83	/* alt_month
84	 * Standalone months forms for %OB
85	 */
86	{
87		"January", "February", "March", "April", "May", "June",
88		"July", "August", "September", "October", "November", "December"
89	},
90
91	/* md_order
92	 * Month / day order in dates
93	 */
94	"md",
95
96	/* ampm_fmt
97	 * To determine 12-hour clock format time (empty, if N/A)
98	 */
99	"%I:%M:%S %p"
100};
101
102struct lc_time_T *
103__get_current_time_locale(void)
104{
105	return (_time_using_locale
106		? &_time_locale
107		: (struct lc_time_T *)&_C_time_locale);
108}
109
110int
111__time_load_locale(const char *name)
112{
113	return (__part_load_locale(name, &_time_using_locale,
114			time_locale_buf, "LC_TIME",
115			LCTIME_SIZE, LCTIME_SIZE,
116			(const char **)&_time_locale));
117}
118