1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* Copyright (c) 2009, Christophe Fergeau <teuf@gnome.org>
*
* The code contained in this file is free software; you can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either version
* 2.1 of the License, or (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this code; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#define _XOPEN_SOURCE /* to enable strptime() */
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
extern int sync_time (const char *dev, struct tm *tm);
extern char *basename (char *__filename);
int
main (int argc, char **argv)
{
if (argc < 2) {
printf ("usage: %s <device> [time]\n", basename(argv[0]));
return 1;
}
struct tm time;
struct tm* ptime = NULL;
if (argc > 2) {
if(strptime(argv[2], "%Y-%m-%dT%H:%M:%S", &time)) {
ptime = &time;
}
else {
printf ("Could not parse time. Using local time.\n");
printf ("Time string needs to use the format YYYY-MM-DDThh:mm:ss\n");
printf ("(ISO 8601 format)\n");
}
}
if (sync_time (argv[1], ptime)) {
printf ("Error occured while syncing time.\n");
} else {
printf ("Time was synced!\n");
}
return 0;
}
|