1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1983, 1993
5 * Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __SCCSID("@(#)closedir.c 8.1 (Berkeley) 6/10/93");
34 __FBSDID("$FreeBSD: stable/12/lib/libc/gen/closedir.c 335898 2018-07-03 17:31:45Z jhb $");
35
36 #include "namespace.h"
37 #include <sys/types.h>
38 #include <dirent.h>
39 #include <pthread.h>
40 #include <stdlib.h>
41 #include <unistd.h>
42 #include "un-namespace.h"
43
44 #include "libc_private.h"
45 #include "gen-private.h"
46 #include "telldir.h"
47
48 /*
49 * close a directory.
50 */
51 int
fdclosedir(DIR * dirp)52 fdclosedir(DIR *dirp)
53 {
54 int fd;
55
56 if (__isthreaded)
57 _pthread_mutex_lock(&dirp->dd_lock);
58 fd = dirp->dd_fd;
59 dirp->dd_fd = -1;
60 dirp->dd_loc = 0;
61 free((void *)dirp->dd_buf);
62 free(dirp->dd_compat_de);
63 _reclaim_telldir(dirp);
64 if (__isthreaded) {
65 _pthread_mutex_unlock(&dirp->dd_lock);
66 _pthread_mutex_destroy(&dirp->dd_lock);
67 }
68 free((void *)dirp);
69 return (fd);
70 }
71
72 int
closedir(DIR * dirp)73 closedir(DIR *dirp)
74 {
75
76 return (_close(fdclosedir(dirp)));
77 }
78