root / prex-0.9.0 / include / sys / dirent.h @ 03e9c04a
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| 1 | 03e9c04a | Brad Neuman | /*-
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| 2 | * Copyright (c) 1989, 1993
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| 3 | * The Regents of the University of California. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. Neither the name of the University nor the names of its contributors
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| 14 | * may be used to endorse or promote products derived from this software
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| 15 | * without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 27 | * SUCH DAMAGE.
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| 28 | *
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| 29 | * @(#)dirent.h 8.3 (Berkeley) 8/10/94
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| 30 | */
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| 31 | |||
| 32 | #ifndef _SYS_DIRENT_H_
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| 33 | #define _SYS_DIRENT_H_
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| 34 | |||
| 35 | #include <sys/types.h> |
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| 36 | #include <sys/syslimits.h> |
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| 37 | |||
| 38 | /*
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| 39 | * The dirent structure defines the format of directory entries returned by
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| 40 | * the getdirentries(2) system call.
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| 41 | *
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| 42 | * A directory entry has a struct dirent at the front of it, containing its
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| 43 | * inode number, the length of the entry, and the length of the name
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| 44 | * contained in the entry. These are followed by the name padded to a 4
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| 45 | * byte boundary with null bytes. All names are guaranteed null terminated.
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| 46 | * The maximum length of a name in a directory is MAXNAMLEN.
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| 47 | */
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| 48 | |||
| 49 | struct dirent {
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| 50 | uint32_t d_fileno; /* file number of entry */
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| 51 | uint16_t d_reclen; /* length of this record */
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| 52 | uint16_t d_namlen; /* length of string in d_name */
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| 53 | uint8_t d_type; /* file type, see below */
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| 54 | char d_name[NAME_MAX]; /* name must be no longer than this */ |
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| 55 | }; |
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| 56 | |||
| 57 | /*
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| 58 | * File types
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| 59 | */
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| 60 | #define DT_UNKNOWN 0 |
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| 61 | #define DT_FIFO 1 |
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| 62 | #define DT_CHR 2 |
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| 63 | #define DT_DIR 4 |
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| 64 | #define DT_BLK 6 |
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| 65 | #define DT_REG 8 |
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| 66 | #define DT_LNK 10 |
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| 67 | #define DT_SOCK 12 |
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| 68 | #define DT_WHT 14 |
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| 69 | |||
| 70 | /*
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| 71 | * Convert between stat structure types and directory types.
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| 72 | */
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| 73 | #define IFTODT(mode) (((mode) & 0170000) >> 12) |
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| 74 | #define DTTOIF(dirtype) ((dirtype) << 12) |
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| 75 | |||
| 76 | #endif /* !_SYS_DIRENT_H_ */ |