ports/sysdeps/unix/sysv/linux/generic/utimes.c

   1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
   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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <utime.h>
  22 #include <fcntl.h>
  23 #include <sys/time.h>
  24 #include <sysdep.h>
  25
  26
  27 /* Change the access time of FILE to TVP[0] and
  28    the modification time of FILE to TVP[1].  */
  29 int
  30 __utimes (const char *file, const struct timeval tvp[2])
  31 {
  32   struct timespec ts[2];
  33   struct timespec *tsp = NULL;
  34
  35   if (tvp)
  36     {
  37       TIMEVAL_TO_TIMESPEC (&tvp[0], &ts[0]);
  38       TIMEVAL_TO_TIMESPEC (&tvp[1], &ts[1]);
  39       tsp = &ts[0];
  40     }
  41
  42   return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tsp, 0);
  43 }
  44
  45 weak_alias (__utimes, utimes)