sysdeps/mach/hurd/closedir.c

   1 /* Copyright (C) 1993, 1995 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
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <errno.h>
  21 #include <stddef.h>
  22 #include <stdlib.h>
  23 #include <dirent.h>
  24 #include <unistd.h>
  25 #include <hurd.h>
  26 #include <hurd/fd.h>
  27 #include "dirstream.h"
  28
  29 /* Close the directory stream DIRP.
  30    Return 0 if successful, -1 if not.  */
  31 int
  32 DEFUN(closedir, (dirp), DIR *dirp)
  33 {
  34   error_t err;
  35
  36   if (dirp == NULL)
  37     {
  38       errno = EINVAL;
  39       return -1;
  40     }
  41
  42   if (err = __vm_deallocate (__mach_task_self (),
  43                              (vm_address_t) dirp->__data, dirp->__allocation))
  44     return __hurd_fail (err);
  45   dirp->__data = NULL;
  46
  47   if (err = _hurd_fd_close (dirp->__fd))
  48     return __hurd_fail (err);
  49
  50   free (dirp);
  51
  52   return 0;
  53 }
  54