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 *	@(#)dirent.h	8.2 (Berkeley) 7/28/94
30 * $FreeBSD$
31 */
32
33#ifndef _DIRENT_H_
34#define _DIRENT_H_
35
36/*
37 * The kernel defines the format of directory entries returned by
38 * the getdirentries(2) system call.
39 */
40#include <sys/cdefs.h>
41#include <sys/_types.h>
42#include <sys/dirent.h>
43
44#if __XSI_VISIBLE
45
46#ifndef _INO_T_DECLARED
47typedef	__ino_t		ino_t;
48#define	_INO_T_DECLARED
49#endif
50
51/*
52 * XXX this is probably illegal in the __XSI_VISIBLE case, but brings us closer
53 * to the specification.
54 */
55#define	d_ino		d_fileno	/* backward and XSI compatibility */
56
57#endif /* __XSI_VISIBLE */
58
59#if __BSD_VISIBLE
60
61#include <sys/_null.h>
62
63/* definitions for library routines operating on directories. */
64#define	DIRBLKSIZ	1024
65
66struct _dirdesc;
67typedef struct _dirdesc DIR;
68
69/* flags for opendir2 */
70#define DTF_HIDEW	0x0001	/* hide whiteout entries */
71#define DTF_NODUP	0x0002	/* don't return duplicate names */
72#define DTF_REWIND	0x0004	/* rewind after reading union stack */
73#define __DTF_READALL	0x0008	/* everything has been read */
74#define	__DTF_SKIPREAD	0x0010  /* assume internal buffer is populated */
75
76#else /* !__BSD_VISIBLE */
77
78typedef	void *	DIR;
79
80#endif /* __BSD_VISIBLE */
81
82#ifndef _KERNEL
83
84__BEGIN_DECLS
85#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700
86int	 alphasort(const struct dirent **, const struct dirent **);
87int	 dirfd(DIR *);
88#endif
89#if __BSD_VISIBLE
90DIR	*__opendir2(const char *, int);
91int	 fdclosedir(DIR *);
92int	 getdents(int, char *, int);
93int	 getdirentries(int, char *, int, long *);
94#endif
95DIR	*opendir(const char *);
96DIR	*fdopendir(int);
97struct dirent *
98	 readdir(DIR *);
99#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500
100int	 readdir_r(DIR *, struct dirent *, struct dirent **);
101#endif
102void	 rewinddir(DIR *);
103#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700
104int	 scandir(const char *, struct dirent ***,
105	    int (*)(const struct dirent *), int (*)(const struct dirent **,
106	    const struct dirent **));
107#ifdef __BLOCKS__
108int	 scandir_b(const char *, struct dirent ***,
109	    int (^)(const struct dirent *),
110	    int (^)(const struct dirent **, const struct dirent **));
111#endif
112#endif
113#if __XSI_VISIBLE
114void	 seekdir(DIR *, long);
115long	 telldir(DIR *);
116#endif
117int	 closedir(DIR *);
118__END_DECLS
119
120#endif /* !_KERNEL */
121
122#endif /* !_DIRENT_H_ */
123