/* futimesat -- Change access and modification times of file.  Linux version.

   Copyright (C) 2005-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.

   The GNU C Library 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.

   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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library.  If not, see

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include <fcntl.h>

#include <stddef.h>

#include <stdio.h>

#include <string.h>

#include <utime.h>

#include <sys/time.h>

#include <sysdep.h>

/* Change the access time of FILE relative to FD to TVP[0] and

   the modification time of FILE to TVP[1].  */

int

futimesat (int fd, const char *file, const struct timeval tvp[2])

{

  struct timespec tsp[2];

  int result;

  if (tvp)

    {

      if (tvp[0].tv_usec >= 1000000 || tvp[0].tv_usec < 0 ||

          tvp[1].tv_usec >= 1000000 || tvp[1].tv_usec < 0)

        {

          __set_errno (EINVAL);

          return -1;

        }

      TIMEVAL_TO_TIMESPEC (&tvp[0], &tsp[0]);

      TIMEVAL_TO_TIMESPEC (&tvp[1], &tsp[1]);

    }

  result = INLINE_SYSCALL (utimensat, 4, fd, file, tvp ? tsp : NULL, 0);

  return result;

}