1 | /* Copyright (C) 1992-2017 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <stddef.h> /* For NULL. */ |
20 | #include <sys/time.h> |
21 | #include <time.h> |
22 | |
23 | /* Set the system clock to *WHEN. */ |
24 | |
25 | int |
26 | stime (const time_t *when) |
27 | { |
28 | struct timeval tv; |
29 | |
30 | if (when == NULL) |
31 | { |
32 | __set_errno (EINVAL); |
33 | return -1; |
34 | } |
35 | |
36 | tv.tv_sec = *when; |
37 | tv.tv_usec = 0; |
38 | return __settimeofday (&tv, (struct timezone *) 0); |
39 | } |
40 | |