usr/src/lib/libbc/libc/compat/sys5/mkepoch.c

   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 }