glibc/sysdeps/unix/sysv/linux/generic/utimes.c

/* Copyright (C) 2011-2018 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 <stddef.h>
#include <utime.h>
#include <fcntl.h>
#include <sys/time.h>
#include <sysdep.h>


/* Change the access time of FILE to TVP[0] and
   the modification time of FILE to TVP[1].  */
int
__utimes (const char *file, const struct timeval tvp[2])
{
  struct timespec ts[2];
  struct timespec *tsp = NULL;

  if (tvp)
    {
      TIMEVAL_TO_TIMESPEC (&tvp[0], &ts[0]);
      TIMEVAL_TO_TIMESPEC (&tvp[1], &ts[1]);
      tsp = &ts[0];
    }

  return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tsp, 0);
}

weak_alias (__utimes, utimes)