1/*-
2 * Copyright (c) 1989, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31
32#ifndef _GEN_PRIVATE_H_
33#define	_GEN_PRIVATE_H_
34
35struct _telldir;		/* see telldir.h */
36struct pthread_mutex;
37
38/*
39 * Structure describing an open directory.
40 *
41 * NOTE. Change structure layout with care, at least dd_fd field has to
42 * remain unchanged to guarantee backward compatibility.
43 */
44struct _dirdesc {
45	int	dd_fd;		/* file descriptor associated with directory */
46	long	dd_loc;		/* offset in current buffer */
47	long	dd_size;	/* amount of data returned by getdirentries */
48	char	*dd_buf;	/* data buffer */
49	int	dd_len;		/* size of data buffer */
50	long	dd_seek;	/* magic cookie returned by getdirentries */
51	int	dd_flags;	/* flags for readdir */
52	struct pthread_mutex	*dd_lock;	/* lock */
53	struct _telldir *dd_td;	/* telldir position recording */
54};
55
56#define	_dirfd(dirp)	((dirp)->dd_fd)
57
58#endif /* !_GEN_PRIVATE_H_ */
59