glibc/sysdeps/unix/utime.c

/* Copyright (C) 1991, 1994, 1997 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 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <sysdep.h>
#include <errno.h>
#include <utime.h>
#include <time.h>
#include <sys/types.h>
#include <sys/time.h>


/* Set the access and modification times of FILE to those given in TIMES.
   If TIMES is NULL, set them to the current time.  */
int
utime (file, times)
     const char *file;
     const struct utimbuf *times;
{
  struct timeval timevals[2];

  if (times != NULL)
    {
      timevals[0].tv_sec = (long int) times->actime;
      timevals[0].tv_usec = 0L;
      timevals[1].tv_sec = (long int) times->modtime;
      timevals[1].tv_usec = 0L;
    }
  else
    {
      if (__gettimeofday (&timevals[0], NULL) < 0)
	return -1;
      timevals[1] = timevals[0];
    }

  return __utimes (file, timevals);
}