/* Copyright (C) 1992, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#include <ansidecl.h>
#include <errno.h>
#include <sys/time.h>

/* Set the current time of day and timezone information.
   This call is restricted to the super-user.  */
int
DEFUN(__settimeofday, (tv, tz),
      CONST struct timeval *tv AND CONST struct timezone *tz)
{
  time_t when;

  if (tv == NULL)
    {
      errno = EINVAL;
      return -1;
    }

  if (tz != NULL || tv->tv_usec % 1000000 != 0)
    {
      errno = ENOSYS;
      return -1;
    }

  when = tv->tv_sec + (tv->tv_usec / 1000000);
  return stime (&when);
}

weak_alias (__settimeofday, settimeofday)