posix/lib/psxdll/dirent/closedir.c

   1 /* $Id: closedir.c,v 1.4 2002/10/29 04:45:28 rex Exp $
   2  */
   3 /*
   4  * COPYRIGHT:   See COPYING in the top level directory
   5  * PROJECT:     ReactOS POSIX+ Subsystem
   6  * FILE:        subsys/psx/lib/psxdll/dirent/closedir.c
   7  * PURPOSE:     Close a directory stream
   8  * PROGRAMMER:  KJK::Hyperion <noog@libero.it>
   9  * UPDATE HISTORY:
  10  *              01/02/2002: Created
  11  *              13/02/2002: KJK::Hyperion: modified to use file descriptors
  12  */
  13
  14 #include <dirent.h>
  15 #include <unistd.h>
  16 #include <errno.h>
  17 #include <sys/types.h>
  18 #include <psx/dirent.h>
  19 #include <psx/safeobj.h>
  20
  21 int closedir(DIR *dirp)
  22 {
  23  /* check the "magic" signature */
  24  if(!__safeobj_validate(dirp, __IDIR_MAGIC))
  25  {
  26   errno = EBADF;
  27   return (-1);
  28  }
  29
  30  /* this will close the handle, deallocate the internal object and
  31     invalidate the descriptor */
  32  return (close(((struct __internal_DIR *)dirp)->fildes));
  33 }
  34
  35 /* EOF */
  36