Ticket #68314: dirent.h

File dirent.h, 4.9 KB (added by lazd (Larry Davis), 9 months ago)

Mac OS 10.4 dirent.h

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