aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/lutimes.c
blob: eb05d620fcf1d2abfd84a14377b210964fbbaf00 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/* Change access and/or modification date of file.  Do not follow symbolic
   links.
   Copyright (C) 2007-2019 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, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <fcntl.h>
#include <time.h>
#include <sys/time.h>
#include <sysdep.h>


int
lutimes (const char *file, const struct timeval tvp[2])
{
  /* The system call espects timespec, not timeval.  */
  struct timespec ts[2];
  if (tvp != NULL)
    {
      if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000
          || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
	return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);

      TIMEVAL_TO_TIMESPEC (&tvp[0], &ts[0]);
      TIMEVAL_TO_TIMESPEC (&tvp[1], &ts[1]);
    }

  return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tvp ? ts : NULL,
			 AT_SYMLINK_NOFOLLOW);
}