]> git.saurik.com Git - apple/libc.git/blame - include/dirent.h
Libc-320.tar.gz
[apple/libc.git] / include / dirent.h
CommitLineData
e9ce8d39 1/*
5b2abdfb 2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
e9ce8d39
A
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
734aad71 6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
e9ce8d39 7 *
734aad71
A
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
e9ce8d39
A
17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
734aad71
A
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.
e9ce8d39
A
22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
5b2abdfb 25/*-
e9ce8d39
A
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.
5b2abdfb
A
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.
e9ce8d39 66 */
9385eb3d 67#include <sys/types.h>
5b2abdfb
A
68#include <sys/dirent.h>
69
70#ifdef _POSIX_SOURCE
71typedef void * DIR;
72#else
e9ce8d39 73
5b2abdfb 74#define d_ino d_fileno /* backward compatibility */
e9ce8d39 75
5b2abdfb
A
76/* definitions for library routines operating on directories. */
77#define DIRBLKSIZ 1024
78
9385eb3d
A
79struct _telldir; /* see telldir.h */
80
5b2abdfb
A
81/* structure describing an open directory. */
82typedef struct _dirdesc {
83 int dd_fd; /* file descriptor associated with directory */
84 long dd_loc; /* offset in current buffer */
85 long dd_size; /* amount of data returned by getdirentries */
86 char *dd_buf; /* data buffer */
87 int dd_len; /* size of data buffer */
88 long dd_seek; /* magic cookie returned by getdirentries */
89 long dd_rewind; /* magic cookie for rewinding */
90 int dd_flags; /* flags for readdir */
9385eb3d
A
91 pthread_mutex_t dd_lock; /* for thread locking */
92 struct _telldir *dd_td; /* telldir position recording */
5b2abdfb
A
93} DIR;
94
95#define dirfd(dirp) ((dirp)->dd_fd)
96
97/* flags for opendir2 */
98#define DTF_HIDEW 0x0001 /* hide whiteout entries */
99#define DTF_NODUP 0x0002 /* don't return duplicate names */
100#define DTF_REWIND 0x0004 /* rewind after reading union stack */
101#define __DTF_READALL 0x0008 /* everything has been read */
102
103#ifndef NULL
104#define NULL 0
105#endif
106
107#endif /* _POSIX_SOURCE */
108
109#ifndef KERNEL
e9ce8d39
A
110
111#include <sys/cdefs.h>
e9ce8d39 112
5b2abdfb 113__BEGIN_DECLS
9385eb3d
A
114DIR *opendir(const char *);
115struct dirent *readdir(DIR *);
116void rewinddir(DIR *);
117int closedir(DIR *);
5b2abdfb 118#ifndef _POSIX_SOURCE
9385eb3d
A
119DIR *__opendir2(const char *, int);
120long telldir(DIR *);
121void seekdir(DIR *, long);
122int scandir(const char *, struct dirent ***,
123 int (*)(struct dirent *), int (*)(const void *, const void *));
124int alphasort(const void *, const void *);
125int getdirentries(int, char *, int, long *);
126int readdir_r(DIR *, struct dirent *, struct dirent **);
5b2abdfb
A
127#endif /* not POSIX */
128__END_DECLS
e9ce8d39 129
5b2abdfb 130#endif /* !KERNEL */
e9ce8d39 131
5b2abdfb 132#endif /* !_DIRENT_H_ */