1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #ifndef _SYS_DIRENT_H 32 #define _SYS_DIRENT_H 33 34 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 11.11 */ 35 36 #include <sys/feature_tests.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /* 43 * File-system independent directory entry. 44 */ 45 typedef struct dirent { 46 ino_t d_ino; /* "inode number" of entry */ 47 off_t d_off; /* offset of disk directory entry */ 48 unsigned short d_reclen; /* length of this record */ 49 char d_name[1]; /* name of file */ 50 } dirent_t; 51 52 #if defined(_SYSCALL32) 53 54 /* kernel's view of user ILP32 dirent */ 55 56 typedef struct dirent32 { 57 ino32_t d_ino; /* "inode number" of entry */ 58 off32_t d_off; /* offset of disk directory entry */ 59 uint16_t d_reclen; /* length of this record */ 60 char d_name[1]; /* name of file */ 61 } dirent32_t; 62 63 #endif /* _SYSCALL32 */ 64 65 #ifdef _LARGEFILE64_SOURCE 66 67 /* 68 * transitional large file interface version AND kernel internal version 69 */ 70 typedef struct dirent64 { 71 ino64_t d_ino; /* "inode number" of entry */ 72 off64_t d_off; /* offset of disk directory entry */ 73 unsigned short d_reclen; /* length of this record */ 74 char d_name[1]; /* name of file */ 75 } dirent64_t; 76 77 #endif /* _LARGEFILE64_SOURCE */ 78 79 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 80 #if defined(_KERNEL) 81 #define DIRENT64_RECLEN(namelen) \ 82 ((offsetof(dirent64_t, d_name[0]) + 1 + (namelen) + 7) & ~ 7) 83 #define DIRENT64_NAMELEN(reclen) \ 84 ((reclen) - (offsetof(dirent64_t, d_name[0]))) 85 #define DIRENT32_RECLEN(namelen) \ 86 ((offsetof(dirent32_t, d_name[0]) + 1 + (namelen) + 3) & ~ 3) 87 #define DIRENT32_NAMELEN(reclen) \ 88 ((reclen) - (offsetof(dirent32_t, d_name[0]))) 89 #endif 90 91 #if !defined(_KERNEL) 92 93 /* 94 * large file compilation environment setup 95 * 96 * In the LP64 compilation environment, map large file interfaces 97 * back to native versions where possible. (This only works because 98 * a 'struct dirent' == 'struct dirent64'). 99 */ 100 101 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 102 #ifdef __PRAGMA_REDEFINE_EXTNAME 103 #pragma redefine_extname getdents getdents64 104 #else 105 #define getdents getdents64 106 #endif 107 #endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */ 108 109 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) 110 #ifdef __PRAGMA_REDEFINE_EXTNAME 111 #pragma redefine_extname getdents64 getdents 112 #else 113 #define getdents64 getdents 114 #define dirent64 dirent 115 #define dirent64_t dirent_t 116 #endif 117 #endif /* _LP64 && _LARGEFILE64_SOURCE */ 118 119 #if defined(__STDC__) 120 extern int getdents(int, struct dirent *, size_t); 121 #else 122 extern int getdents(); 123 #endif 124 125 /* N.B.: transitional large file interface version deliberately not provided */ 126 127 #endif /* !defined(_KERNEL) */ 128 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 129 130 #ifdef __cplusplus 131 } 132 #endif 133 134 #endif /* _SYS_DIRENT_H */ 135