1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 * opendir -- C library extension routine
34 *
35 * We use lmalloc()/lfree() rather than malloc()/free() in
36 * order to allow opendir()/readdir()/closedir() to be called
37 * while holding internal libc locks.
38 */
39
40#pragma weak _opendir = opendir
41
42#include "lint.h"
43#include <dirent.h>
44#include <stdlib.h>
45#include <unistd.h>
46#include <fcntl.h>
47
48DIR *
49opendir(const char *filename)
50{
51	int fd;
52	DIR *dirp;
53
54	if ((fd = openat(AT_FDCWD, filename,
55	    O_RDONLY | O_NDELAY | O_LARGEFILE, 0)) < 0)
56		return (NULL);
57	if ((dirp = fdopendir(fd)) == NULL)
58		(void) close(fd);
59	return (dirp);
60}
61