2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)dirent.h 8.2 (Berkeley) 7/28/94
34 * $FreeBSD: src/include/dirent.h,v 1.7 1999/12/29 05:01:20 peter Exp $
35 * $DragonFly: src/include/dirent.h,v 1.4 2005/01/31 22:28:58 dillon Exp $
42 * The kernel defines the format of directory entries returned by
43 * the getdirentries(2) system call.
45 #include <sys/dirent.h>
51 #define d_ino d_fileno /* backward compatibility */
53 /* definitions for library routines operating on directories. */
54 #define DIRBLKSIZ 1024
56 /* structure describing an open directory. */
57 typedef struct _dirdesc {
58 int dd_fd; /* file descriptor associated with directory */
59 long dd_loc; /* offset in current buffer */
60 long dd_size; /* amount of data returned by getdirentries */
61 char *dd_buf; /* data buffer */
62 int dd_len; /* size of data buffer */
63 long dd_seek; /* magic cookie returned by getdirentries */
64 long dd_rewind; /* magic cookie for rewinding */
65 int dd_flags; /* flags for readdir */
66 void *dd_lock; /* hack to avoid include <pthread.h> */
69 #define dirfd(dirp) ((dirp)->dd_fd)
71 /* flags for opendir2 */
72 #define DTF_HIDEW 0x0001 /* hide whiteout entries */
73 #define DTF_NODUP 0x0002 /* don't return duplicate names */
74 #define DTF_REWIND 0x0004 /* rewind after reading union stack */
75 #define __DTF_READALL 0x0008 /* everything has been read */
81 #endif /* _POSIX_SOURCE */
85 #include <sys/cdefs.h>
88 DIR *opendir (const char *);
89 struct dirent *readdir (DIR *);
90 void rewinddir (DIR *);
93 DIR *__opendir2 (const char *, int);
94 long telldir (const DIR *);
95 struct dirent *_readdir_unlocked(DIR *);
96 void _reclaim_telldir(DIR *);
97 void _seekdir (DIR *, long);
98 int scandir (const char *, struct dirent ***,
99 int (*)(struct dirent *), int (*)(const void *, const void *));
100 int alphasort (const void *, const void *);
101 int getdents (int, char *, int);
102 int getdirentries (int, char *, int, long *);
103 int readdir_r (DIR *, struct dirent *, struct dirent **);
104 #endif /* not POSIX */
107 #endif /* !_KERNEL */
109 #endif /* !_DIRENT_H_ */