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[glibc.git] / sysdeps / unix / stime.c
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1 /* Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
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 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <errno.h>
20 #include <sys/time.h>
22 /* Set the system clock to *WHEN. */
24 int
25 stime (when)
26 const time_t *when;
28 struct timeval tv;
30 if (when == NULL)
32 __set_errno (EINVAL);
33 return -1;
36 tv.tv_sec = *when;
37 tv.tv_usec = 0;
38 return __settimeofday (&tv, (struct timezone *) 0);