about summary refs log tree commit diff
path: root/sysdeps/unix/closedir.c
blob: 5b938a8272dccb738d32552e68f7d92d53a0a5d4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
/* Copyright (C) 1991, 1993, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <dirstream.h>

/* Close the directory stream DIRP.
   Return 0 if successful, -1 if not.  */
int
__closedir (DIR *dirp)
{
  int fd;

  if (dirp == NULL)
    {
      errno = EINVAL;
      return -1;
    }

  __libc_lock_lock (dirp->lock);

  fd = dirp->fd;
  free ((void *) dirp->data);

  __libc_lock_fini (dirp->lock);

  free ((void *) dirp);

  return __close (fd);
}
weak_alias (__closedir, closedir)