sysdeps/unix/sysv/linux/utimensat.c

   1 /* Change access and modification times of open file.  Linux version.
   2    Copyright (C) 2007 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <sys/stat.h>
  22 #include <sysdep.h>
  23
  24 #include <kernel-features.h>
  25
  26
  27 /* Change the access time of FILE to TSP[0] and
  28    the modification time of FILE to TSP[1].
  29
  30    Starting with 2.6.22 the Linux kernel has the utimensat syscall.  */
  31 int
  32 utimensat (int fd, const char *file, const struct timespec tsp[2],
  33            int flags)
  34 {
  35   if (file == NULL)
  36     {
  37       __set_errno (EINVAL);
  38       return -1;
  39     }
  40 #ifdef __NR_utimensat
  41   return INLINE_SYSCALL (utimensat, 4, fd, file, tsp, flags);
  42 #else
  43   __set_errno (ENOSYS);
  44   return -1;
  45 #endif
  46 }
  47 #ifndef __NR_utimensat
  48 stub_warning (utimensat)
  49 # include <stub-tag.h>
  50 #endif