xref: /freebsd/lib/libc/stdtime/timelocal.c (revision 1669d8afc64812c8d2d1d147ae1fd42ff441e1b1)
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("$FreeBSD$");
30 
31 #include <stddef.h>
32 
33 #include "ldpart.h"
34 #include "timelocal.h"
35 
36 static struct lc_time_T _time_locale;
37 static int _time_using_locale;
38 static char *time_locale_buf;
39 
40 #define LCTIME_SIZE (sizeof(struct lc_time_T) / sizeof(char *))
41 
42 static 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 
102 struct 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 
110 int
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