xref: /openbsd-src/usr.bin/make/timestamp.c (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenPackages$ */
2 /*	$OpenBSD: timestamp.c,v 1.1 2001/05/23 12:34:50 espie Exp $ */
3 
4 /*
5  * Copyright (c) 2001 Marc Espie.
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 OPENBSD PROJECT AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
20  * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 #include "config.h"
29 #include "defines.h"
30 #include "timestamp.h"
31 
32 #ifndef USE_TIMESPEC
33 #include <sys/types.h>
34 #include <utime.h>
35 #endif
36 
37 TIMESTAMP now;		/* The time at the start of this whole
38 			 * process */
39 
40 int
41 set_times(f)
42     const char *f;
43 {
44 #ifdef USE_TIMESPEC
45     struct timeval tv[2];
46 
47     TIMESPEC_TO_TIMEVAL(&tv[0], &now);
48     TIMESPEC_TO_TIMEVAL(&tv[1], &now);
49     return utimes(f, tv);
50 #else
51     struct utimbuf times;
52 
53     times.actime = times.modtime = now;
54     return utime(f, &times);
55 #endif
56 }
57