glibc/sysdeps/unix/sysv/linux/utimensat.c

49 lines
1.4 KiB
C

/* Change access and modification times of open file. Linux version.
Copyright (C) 2007-2013 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 <sys/stat.h>
#include <sysdep.h>
#include <kernel-features.h>
/* Change the access time of FILE to TSP[0] and
the modification time of FILE to TSP[1].
Starting with 2.6.22 the Linux kernel has the utimensat syscall. */
int
utimensat (int fd, const char *file, const struct timespec tsp[2],
int flags)
{
if (file == NULL)
{
__set_errno (EINVAL);
return -1;
}
#ifdef __NR_utimensat
return INLINE_SYSCALL (utimensat, 4, fd, file, tsp, flags);
#else
__set_errno (ENOSYS);
return -1;
#endif
}
#ifndef __NR_utimensat
stub_warning (utimensat)
#endif