xref: /freebsd/lib/libc/gen/timespec_get.c (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1 /*	$NetBSD: timespec_get.c,v 1.2 2016/10/04 12:48:15 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2016 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Kamil Rytarowski.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: timespec_get.c,v 1.2 2016/10/04 12:48:15 christos Exp $");
34 __FBSDID("$FreeBSD$");
35 
36 #include <time.h>
37 
38 /* ISO/IEC 9899:201x 7.27.2.5 The timespec_get function */
39 
40 int
41 timespec_get(struct timespec *ts, int base)
42 {
43 
44 	switch (base) {
45 	case TIME_UTC:
46 		if (clock_gettime(CLOCK_REALTIME, ts) == -1)
47 			return 0;
48 		break;
49 	default:
50 		return 0;
51 	}
52 
53 	return base;
54 }
55