| 1 | /*-
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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. All advertising materials mentioning features or use of this software
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| 14 | * must display the following acknowledgement:
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| 15 | * This product includes software developed by the University of
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| 16 | * California, Berkeley and its contributors.
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| 17 | * 4. Neither the name of the University nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | *
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| 33 | * @(#)dirent.h 8.3 (Berkeley) 8/10/94
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| 34 | * $FreeBSD: src/sys/sys/dirent.h,v 1.13 2002/09/10 18:12:16 mike Exp $
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| 35 | */
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| 36 |
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| 37 | /** @file
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| 38 | * FreeBSD 5.1
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| 39 | * @changed bird: Merged in all the EMX stuff.
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| 40 | * @changed bird: glibc hack.
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| 41 | * @changed bird: MAXNAMLEN vs NAME_MAX.
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| 42 | * @changed bird: Added _D_EXACT_NAMLEN and _D_ALLOC_NAMLEN macros to sys/dirent.h to
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| 43 | * make GLIBC code happy.
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| 44 | */
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| 45 |
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| 46 | #ifndef _SYS_DIRENT_H_
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| 47 | #define _SYS_DIRENT_H_
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| 48 |
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| 49 | #include <sys/cdefs.h>
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| 50 | #include <sys/_types.h>
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| 51 | #if defined(__USE_GNU) && !defined(MAXNAMLEN)
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| 52 | /* Fixing a common problem with tests using NAME_MAX without including limits.h. */
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| 53 | # include <sys/param.h>
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| 54 | #endif
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| 55 |
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| 56 |
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| 57 | /*
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| 58 | * The dirent structure defines the format of directory entries returned by
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| 59 | * the getdirentries(2) system call.
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| 60 | *
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| 61 | * A directory entry has a struct dirent at the front of it, containing its
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| 62 | * inode number, the length of the entry, and the length of the name
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| 63 | * contained in the entry. These are followed by the name padded to a 4
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| 64 | * byte boundary with null bytes. All names are guaranteed null terminated.
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| 65 | * The maximum length of a name in a directory is MAXNAMLEN.
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| 66 | */
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| 67 |
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| 68 | struct dirent {
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| 69 | __uint32_t d_fileno; /* file number of entry */
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| 70 | __uint16_t d_reclen; /* length of this record */
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| 71 | __uint8_t d_type; /* file type, see below */
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| 72 | __uint8_t d_namlen; /* length of string in d_name */
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| 73 | #if __BSD_VISIBLE
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| 74 | #ifndef MAXNAMLEN /* bird */
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| 75 | #ifdef NAME_MAX /* bird */
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| 76 | #define MAXNAMLEN NAME_MAX /* bird */
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| 77 | #else /* bird */
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| 78 | #define MAXNAMLEN 256
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| 79 | #endif /* bird */
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| 80 | #endif /* bird */
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| 81 | char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */
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| 82 | #else
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| 83 | char d_name[255 + 1]; /* name must be no longer than this */
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| 84 | #endif
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| 85 | /* bird: Extra EMX fields - start */ /** @todo move these up before the name! LIBC07 */
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| 86 | __uint8_t d_attr; /* OS file attributes */
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| 87 | __uint16_t d_time; /* OS file modification time */
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| 88 | __uint16_t d_date; /* OS file modification date */
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| 89 | __off_t d_size; /* File size (bytes) */
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| 90 | /* bird: Extra EMX fields - end */
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| 91 | };
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| 92 |
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| 93 | #ifdef __USE_GNU
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| 94 | /* Macros GNU GLIBC defines for accessing the d_namelen variable correctly. */
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| 95 | #define _D_EXACT_NAMLEN(pdir) ( (pdir)->d_namlen )
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| 96 | #define _D_ALLOC_NAMLEN(pdir) ( (pdir)->d_namlen + 1 )
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| 97 | #endif
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| 98 |
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| 99 | #if __BSD_VISIBLE
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| 100 | /*
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| 101 | * File types
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| 102 | */
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| 103 | #define DT_UNKNOWN 0
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| 104 | #define DT_FIFO 1
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| 105 | #define DT_CHR 2
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| 106 | #define DT_DIR 4
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| 107 | #define DT_BLK 6
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| 108 | #define DT_REG 8
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| 109 | #define DT_LNK 10
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| 110 | #define DT_SOCK 12
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| 111 | #define DT_WHT 14
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| 112 |
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| 113 | /*
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| 114 | * Convert between stat structure types and directory types.
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| 115 | */
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| 116 | #define IFTODT(mode) (((mode) & 0170000) >> 12)
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| 117 | #define DTTOIF(dirtype) ((dirtype) << 12)
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| 118 |
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| 119 | /*
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| 120 | * The _GENERIC_DIRSIZ macro gives the minimum record length which will hold
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| 121 | * the directory entry. This requires the amount of space in struct direct
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| 122 | * without the d_name field, plus enough space for the name with a terminating
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| 123 | * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
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| 124 | *
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| 125 | * XXX although this macro is in the implementation namespace, it requires
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| 126 | * a manifest constant that is not.
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| 127 | */
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| 128 | #define _GENERIC_DIRSIZ(dp) \
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| 129 | ((sizeof (struct dirent) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))
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| 130 | #endif /* __BSD_VISIBLE */
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| 131 |
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| 132 | #ifdef _KERNEL
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| 133 | #define GENERIC_DIRSIZ(dp) _GENERIC_DIRSIZ(dp)
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| 134 | #endif
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| 135 |
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| 136 |
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| 137 | /* bird: EMX stuff */
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| 138 | #define _DIRENT_D_MODE_RENAMED_D_ATTR
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| 139 |
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| 140 | #if !defined (MAXPATHLEN)
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| 141 | #define MAXPATHLEN 260
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| 142 | #endif
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| 143 |
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| 144 | #if !defined (A_RONLY)
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| 145 | #define A_RONLY 0x01
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| 146 | #define A_HIDDEN 0x02
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| 147 | #define A_SYSTEM 0x04
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| 148 | #define A_LABEL 0x08
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| 149 | #define A_DIR 0x10
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| 150 | #define A_ARCHIVE 0x20
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| 151 | #endif
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| 152 |
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| 153 | #endif /* not SYS_DIRENT_H */
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