root / prex-0.9.0 / include / sys / dirent.h @ 03e9c04a
History | View | Annotate | Download (2.82 KB)
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 8.3 (Berkeley) 8/10/94
|
30 |
*/
|
31 |
|
32 |
#ifndef _SYS_DIRENT_H_
|
33 |
#define _SYS_DIRENT_H_
|
34 |
|
35 |
#include <sys/types.h> |
36 |
#include <sys/syslimits.h> |
37 |
|
38 |
/*
|
39 |
* The dirent structure defines the format of directory entries returned by
|
40 |
* the getdirentries(2) system call.
|
41 |
*
|
42 |
* A directory entry has a struct dirent at the front of it, containing its
|
43 |
* inode number, the length of the entry, and the length of the name
|
44 |
* contained in the entry. These are followed by the name padded to a 4
|
45 |
* byte boundary with null bytes. All names are guaranteed null terminated.
|
46 |
* The maximum length of a name in a directory is MAXNAMLEN.
|
47 |
*/
|
48 |
|
49 |
struct dirent {
|
50 |
uint32_t d_fileno; /* file number of entry */
|
51 |
uint16_t d_reclen; /* length of this record */
|
52 |
uint16_t d_namlen; /* length of string in d_name */
|
53 |
uint8_t d_type; /* file type, see below */
|
54 |
char d_name[NAME_MAX]; /* name must be no longer than this */ |
55 |
}; |
56 |
|
57 |
/*
|
58 |
* File types
|
59 |
*/
|
60 |
#define DT_UNKNOWN 0 |
61 |
#define DT_FIFO 1 |
62 |
#define DT_CHR 2 |
63 |
#define DT_DIR 4 |
64 |
#define DT_BLK 6 |
65 |
#define DT_REG 8 |
66 |
#define DT_LNK 10 |
67 |
#define DT_SOCK 12 |
68 |
#define DT_WHT 14 |
69 |
|
70 |
/*
|
71 |
* Convert between stat structure types and directory types.
|
72 |
*/
|
73 |
#define IFTODT(mode) (((mode) & 0170000) >> 12) |
74 |
#define DTTOIF(dirtype) ((dirtype) << 12) |
75 |
|
76 |
#endif /* !_SYS_DIRENT_H_ */ |