xref: /illumos-gate/usr/src/lib/libc/port/gen/closedir.c (revision 3db86aab)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*	Copyright (c) 1988 AT&T	*/
30 /*	  All Rights Reserved  	*/
31 
32 
33 /*
34  * closedir -- C library extension routine
35  *
36  * We use lmalloc()/lfree() rather than malloc()/free() in
37  * order to allow opendir()/readdir()/closedir() to be called
38  * while holding internal libc locks.
39  */
40 
41 #pragma weak closedir = _closedir
42 
43 #include "synonyms.h"
44 #include <sys/types.h>
45 #include <dirent.h>
46 #include <stdlib.h>
47 #include <unistd.h>
48 #include "libc.h"
49 
50 int
51 closedir(DIR *dirp)
52 {
53 	int fd = dirp->dd_fd;
54 
55 	lfree(dirp->dd_buf, DIRBUF);
56 	lfree(dirp, sizeof (DIR));
57 	return (close(fd));
58 }
59