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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
7 *
8 * This file contains Original Code and/or Modifications of Original Code
9 * as defined in and that are subject to the Apple Public Source License
10 * Version 2.0 (the 'License'). You may not use this file except in
11 * compliance with the License. Please obtain a copy of the License at
12 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * file.
14 *
15 * The Original Code and all software distributed under the License are
16 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
20 * Please see the License for the specific language governing rights and
21 * limitations under the License.
22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
25/*-
26 * Copyright (c) 1989, 1993
27 * The Regents of the University of California. All rights reserved.
28 *
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
31 * are met:
32 * 1. Redistributions of source code must retain the above copyright
33 * notice, this list of conditions and the following disclaimer.
34 * 2. Redistributions in binary form must reproduce the above copyright
35 * notice, this list of conditions and the following disclaimer in the
36 * documentation and/or other materials provided with the distribution.
37 * 3. All advertising materials mentioning features or use of this software
38 * must display the following acknowledgement:
39 * This product includes software developed by the University of
40 * California, Berkeley and its contributors.
41 * 4. Neither the name of the University nor the names of its contributors
42 * may be used to endorse or promote products derived from this software
43 * without specific prior written permission.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * SUCH DAMAGE.
56 *
57 * @(#)dirent.h 8.2 (Berkeley) 7/28/94
58 */
59
60#ifndef _DIRENT_H_
61#define _DIRENT_H_
62
63/*
64 * The kernel defines the format of directory entries returned by
65 * the getdirentries(2) system call.
66 */
67#include <sys/dirent.h>
68
69#ifdef _POSIX_SOURCE
70typedef void * DIR;
71#else
72
73#define d_ino d_fileno /* backward compatibility */
74
75/* definitions for library routines operating on directories. */
76#define DIRBLKSIZ 1024
77
78/* structure describing an open directory. */
79typedef struct _dirdesc {
80 int dd_fd; /* file descriptor associated with directory */
81 long dd_loc; /* offset in current buffer */
82 long dd_size; /* amount of data returned by getdirentries */
83 char *dd_buf; /* data buffer */
84 int dd_len; /* size of data buffer */
85 long dd_seek; /* magic cookie returned by getdirentries */
86 long dd_rewind; /* magic cookie for rewinding */
87 int dd_flags; /* flags for readdir */
88} DIR;
89
90#define dirfd(dirp) ((dirp)->dd_fd)
91
92/* flags for opendir2 */
93#define DTF_HIDEW 0x0001 /* hide whiteout entries */
94#define DTF_NODUP 0x0002 /* don't return duplicate names */
95#define DTF_REWIND 0x0004 /* rewind after reading union stack */
96#define __DTF_READALL 0x0008 /* everything has been read */
97
98#ifndef NULL
99#define NULL 0
100#endif
101
102#endif /* _POSIX_SOURCE */
103
104#ifndef KERNEL
105
106#include <sys/cdefs.h>
107
108__BEGIN_DECLS
109DIR *opendir __P((const char *));
110struct dirent *readdir __P((DIR *));
111void rewinddir __P((DIR *));
112int closedir __P((DIR *));
113#ifndef _POSIX_SOURCE
114DIR *__opendir2 __P((const char *, int));
115long telldir __P((const DIR *));
116void seekdir __P((DIR *, long));
117int scandir __P((const char *, struct dirent ***,
118 int (*)(struct dirent *), int (*)(const void *, const void *)));
119int alphasort __P((const void *, const void *));
120int getdirentries __P((int, char *, int, long *));
121int readdir_r __P((DIR *, struct dirent *, struct dirent **));
122#endif /* not POSIX */
123__END_DECLS
124
125#endif /* !KERNEL */
126
127#endif /* !_DIRENT_H_ */