xref: /illumos-gate/usr/src/lib/libc/port/locale/timelocal.c (revision 5db531e3faa94427746eae754b11770fd8416b6d)
1 /*
2  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
3  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
4  * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
5  * Copyright (c) 1997 FreeBSD Inc.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include "lint.h"
31 #include <stddef.h>
32 #include <errno.h>
33 #include "ldpart.h"
34 #include "timelocal.h"
35 #include "localeimpl.h"
36 
37 #define	LCTIME_SIZE (sizeof (struct lc_time) / sizeof (char *))
38 
39 struct lc_time lc_time_posix = {
40 	{
41 		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
42 		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
43 	}, {
44 		"January", "February", "March", "April", "May", "June",
45 		"July", "August", "September", "October", "November", "December"
46 	}, {
47 		"Sun", "Mon", "Tue", "Wed",
48 		"Thu", "Fri", "Sat"
49 	}, {
50 		"Sunday", "Monday", "Tuesday", "Wednesday",
51 		"Thursday", "Friday", "Saturday"
52 	},
53 
54 	/* X_fmt */
55 	"%H:%M:%S",
56 
57 	/*
58 	 * x_fmt
59 	 * Since the C language standard calls for
60 	 * "date, using locale's date format," anything goes.
61 	 * Using just numbers (as here) makes Quakers happier;
62 	 * it's also compatible with SVR4.
63 	 */
64 	"%m/%d/%y",
65 
66 	/*
67 	 * c_fmt
68 	 */
69 	"%a %b %e %H:%M:%S %Y",
70 
71 	/* am */
72 	"AM",
73 
74 	/* pm */
75 	"PM",
76 
77 	/* date_fmt */
78 	"%a %b %e %H:%M:%S %Z %Y",
79 
80 	/*
81 	 * ampm_fmt - To determine 12-hour clock format time (empty, if N/A)
82 	 */
83 	"%I:%M:%S %p"
84 };
85 
86 struct locdata __posix_time_locdata = {
87 	.l_lname = "C",
88 	.l_data = { &lc_time_posix }
89 };
90 
91 struct locdata *
92 __lc_time_load(const char *name)
93 {
94 	struct locdata	*ldata;
95 	struct lc_time	*ltime;
96 	int ret;
97 
98 	if ((ldata = __locdata_alloc(name, sizeof (*ltime))) == NULL) {
99 		errno = EINVAL;
100 		return (NULL);
101 	}
102 	ltime = ldata->l_data[0];
103 
104 	ret = __part_load_locale(name, (char **)&ldata->l_data[1],
105 	    "LC_TIME", LCTIME_SIZE, LCTIME_SIZE, (const char **)ltime);
106 
107 	if (ret != _LDP_LOADED) {
108 		__locdata_free(ldata);
109 		errno = EINVAL;
110 		return (NULL);
111 	}
112 
113 	return (ldata);
114 }
115