dirent.h (5588B) - Raw
1 /* 2 * Copyright (c) 2000-2008, 2023 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29 /*- 30 * Copyright (c) 1989, 1993 31 * The Regents of the University of California. All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 3. All advertising materials mentioning features or use of this software 42 * must display the following acknowledgement: 43 * This product includes software developed by the University of 44 * California, Berkeley and its contributors. 45 * 4. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 * 61 * @(#)dirent.h 8.3 (Berkeley) 8/10/94 62 */ 63 64 /* 65 * The dirent structure defines the format of directory entries. 66 * 67 * A directory entry has a struct dirent at the front of it, containing its 68 * inode number, the length of the entry, and the length of the name 69 * contained in the entry. These are followed by the name padded to a 4 70 * byte boundary with null bytes. All names are guaranteed null terminated. 71 * The maximum length of a name in a directory is MAXNAMLEN when 32-bit 72 * ino_t is in effect; (MAXPATHLEN - 1) when 64-bit ino_t is in effect. 73 */ 74 75 #ifndef _SYS_DIRENT_H 76 #define _SYS_DIRENT_H 77 78 #include <sys/_types.h> 79 #include <sys/cdefs.h> 80 81 #include <sys/_types/_ino_t.h> 82 83 84 #define __DARWIN_MAXNAMLEN 255 85 86 #pragma pack(4) 87 88 #if !__DARWIN_64_BIT_INO_T 89 struct dirent { 90 ino_t d_ino; /* file number of entry */ 91 __uint16_t d_reclen; /* length of this record */ 92 __uint8_t d_type; /* file type, see below */ 93 __uint8_t d_namlen; /* length of string in d_name */ 94 char d_name[__DARWIN_MAXNAMLEN + 1]; /* name must be no longer than this */ 95 }; 96 #endif /* !__DARWIN_64_BIT_INO_T */ 97 98 #pragma pack() 99 100 #define __DARWIN_MAXPATHLEN 1024 101 102 #define __DARWIN_STRUCT_DIRENTRY { \ 103 __uint64_t d_ino; /* file number of entry */ \ 104 __uint64_t d_seekoff; /* seek offset (optional, used by servers) */ \ 105 __uint16_t d_reclen; /* length of this record */ \ 106 __uint16_t d_namlen; /* length of string in d_name */ \ 107 __uint8_t d_type; /* file type, see below */ \ 108 char d_name[__DARWIN_MAXPATHLEN]; /* entry name (up to MAXPATHLEN bytes) */ \ 109 } 110 111 #if __DARWIN_64_BIT_INO_T 112 struct dirent __DARWIN_STRUCT_DIRENTRY; 113 #endif /* __DARWIN_64_BIT_INO_T */ 114 115 116 117 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 118 #define d_fileno d_ino /* backward compatibility */ 119 #define MAXNAMLEN __DARWIN_MAXNAMLEN 120 /* 121 * File types 122 */ 123 #define DT_UNKNOWN 0 124 #define DT_FIFO 1 125 #define DT_CHR 2 126 #define DT_DIR 4 127 #define DT_BLK 6 128 #define DT_REG 8 129 #define DT_LNK 10 130 #define DT_SOCK 12 131 #define DT_WHT 14 132 133 /* 134 * Convert between stat structure types and directory types. 135 */ 136 #define IFTODT(mode) (((mode) & 0170000) >> 12) 137 #define DTTOIF(dirtype) ((dirtype) << 12) 138 #endif 139 140 141 #endif /* _SYS_DIRENT_H */