xref: /illumos-gate/usr/src/lib/libc/port/locale/timelocal.c (revision 598f4ceed9327d2d6c2325dd67cae3aa06f7fea6)
1 /*
2  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
3  * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
4  * Copyright (c) 1997 FreeBSD Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include "lint.h"
30 #include <stddef.h>
31 #include "ldpart.h"
32 #include "timelocal.h"
33 
34 static struct lc_time_T _time_locale;
35 static int _time_using_locale;
36 static char *time_locale_buf;
37 
38 #define	LCTIME_SIZE (sizeof (struct lc_time_T) / sizeof (char *))
39 
40 static const struct lc_time_T	_C_time_locale = {
41 	{
42 		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
43 		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
44 	}, {
45 		"January", "February", "March", "April", "May", "June",
46 		"July", "August", "September", "October", "November", "December"
47 	}, {
48 		"Sun", "Mon", "Tue", "Wed",
49 		"Thu", "Fri", "Sat"
50 	}, {
51 		"Sunday", "Monday", "Tuesday", "Wednesday",
52 		"Thursday", "Friday", "Saturday"
53 	},
54 
55 	/* X_fmt */
56 	"%H:%M:%S",
57 
58 	/*
59 	 * x_fmt
60 	 * Since the C language standard calls for
61 	 * "date, using locale's date format," anything goes.
62 	 * Using just numbers (as here) makes Quakers happier;
63 	 * it's also compatible with SVR4.
64 	 */
65 	"%m/%d/%y",
66 
67 	/*
68 	 * c_fmt
69 	 */
70 	"%a %b %e %H:%M:%S %Y",
71 
72 	/* am */
73 	"AM",
74 
75 	/* pm */
76 	"PM",
77 
78 	/* date_fmt */
79 	"%a %b %e %H:%M:%S %Z %Y",
80 
81 	/*
82 	 * ampm_fmt - To determine 12-hour clock format time (empty, if N/A)
83 	 */
84 	"%I:%M:%S %p"
85 };
86 
87 struct lc_time_T *
88 __get_current_time_locale(void)
89 {
90 	return (_time_using_locale ? &_time_locale :
91 	    (struct lc_time_T *)&_C_time_locale);
92 }
93 
94 int
95 __time_load_locale(const char *name)
96 {
97 	return (__part_load_locale(name, &_time_using_locale,
98 	    &time_locale_buf, "LC_TIME", LCTIME_SIZE, LCTIME_SIZE,
99 	    (const char **)&_time_locale));
100 }
101