glibc/sysdeps/posix/utimes.c

/* Copyright (C) 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 <sys/time.h>
#include <errno.h>
#include <stddef.h>

/* Change the access time of FILE to TVP[0] and
   the modification time of FILE to TVP[1].  */
int
__utimes (const char *file, struct timeval tvp[2])
{
  struct utimbuf buf, *times;

  if (tvp)
    {
      times = &buf;
      times->actime = tvp[0].tv_sec + tvp[0].tv_usec / 1000;
      times->modtime = tvp[1].tv_sec + tvp[1].tv_usec / 1000;
    }
  else
    times = NULL;

  return utime (path, times);
}

weak_alias (__utimes, utimes)