utils/time-sync/time-sync.c

   1 /* Copyright (c) 2009, Christophe Fergeau  <teuf@gnome.org>
   2  *
   3  * The code contained in this file is free software; you can redistribute
   4  * it and/or modify it under the terms of the GNU Lesser General Public
   5  * License as published by the Free Software Foundation; either version
   6  * 2.1 of the License, or (at your option) any later version.
   7  *
   8  * This file is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this code; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  *
  17  */
  18
  19 #include <stdlib.h>
  20 #include <stdio.h>
  21 #include <time.h>
  22
  23 extern int sync_time (const char *dev, struct tm *tm);
  24 extern char *basename (char *__filename);
  25
  26 int
  27 main (int argc, char **argv)
  28 {
  29     if (argc < 2) {
  30         printf ("usage: %s <device>\n", basename(argv[0]));
  31         return 1;
  32     }
  33
  34     if (sync_time (argv[1], NULL)) {
  35         printf ("Error occured while syncing time.\n");
  36     } else {
  37         printf ("Time was synced!\n");
  38     }
  39
  40     return 0;
  41 }