scoutos / 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_ */ |