sysdeps/mach/hurd/utimes.c

   1 /* Copyright (C) 1991-1995, 97, 99, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <sys/time.h>
  20 #include <errno.h>
  21 #include <stddef.h>
  22 #include <hurd.h>
  23
  24 /* Change the access time of FILE to TVP[0] and
  25    the modification time of FILE to TVP[1].  */
  26 int
  27 __utimes (file, tvp)
  28      const char *file;
  29      const struct timeval tvp[2];
  30 {
  31   struct timeval timevals[2];
  32   error_t err;
  33   file_t port;
  34
  35   if (tvp == NULL)
  36     {
  37       /* Setting the number of microseconds to `-1' tells the
  38          underlying filesystems to use the current time.  */
  39       timevals[1].tv_usec = timevals[0].tv_usec = (time_t)-1;
  40       tvp = timevals;
  41     }
  42
  43   port = __file_name_lookup (file, 0, 0);
  44   if (port == MACH_PORT_NULL)
  45     return -1;
  46   err = __file_utimes (port,
  47                        *(time_value_t *) &tvp[0], *(time_value_t *) &tvp[1]);
  48   __mach_port_deallocate (__mach_task_self (), port);
  49   if (err)
  50     return __hurd_fail (err);
  51   return 0;
  52 }
  53
  54 weak_alias (__utimes, utimes)