xref: /titanic_50/usr/src/lib/libbc/libc/compat/sys5/mkepoch.c (revision c77a61a72b5ecdc507d6cf104142edd371a16c84)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 #pragma ident	"%Z%%M%	%I%	%E% SMI"
23 
24 /*
25  * Copyright (c) 1986 Sun Microsystems Inc.
26  */
27 
28 /*
29  * Put out a C declaration which initializes "epoch" to the time ("tv_sec"
30  * portion) when this program was run.
31  */
32 
33 #include <stdio.h>
34 #include <sys/time.h>
35 
36 int	gettimeofday();
37 void	perror();
38 void	exit();
39 
40 /*ARGSUSED*/
41 int
42 main(argc, argv)
43 	int argc;
44 	char **argv;
45 {
46 	struct timeval now;
47 
48 	if (gettimeofday(&now, (struct timezone *)NULL) < 0) {
49 		perror("mkepoch: gettimeofday failed");
50 		exit(1);
51 	}
52 
53 	if (printf("static long epoch = %ld;\n", now.tv_sec) == EOF) {
54 		perror("mkepoch: can't write output");
55 		exit(1);
56 	}
57 
58 	return (0);
59 }
60