/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_DIRENT_H #define _SYS_DIRENT_H #include <sys/feature_tests.h> #ifdef __cplusplus extern "C" { #endif /* * File-system independent directory entry. */ typedef struct dirent { ino_t d_ino; /* "inode number" of entry */ off_t d_off; /* offset of disk directory entry */ unsigned short d_reclen; /* length of this record */ char d_name[1]; /* name of file */ } dirent_t; #if defined(_SYSCALL32) /* kernel's view of user ILP32 dirent */ typedef struct dirent32 { ino32_t d_ino; /* "inode number" of entry */ off32_t d_off; /* offset of disk directory entry */ uint16_t d_reclen; /* length of this record */ char d_name[1]; /* name of file */ } dirent32_t; #endif /* _SYSCALL32 */ #ifdef _LARGEFILE64_SOURCE /* * transitional large file interface version AND kernel internal version */ typedef struct dirent64 { ino64_t d_ino; /* "inode number" of entry */ off64_t d_off; /* offset of disk directory entry */ unsigned short d_reclen; /* length of this record */ char d_name[1]; /* name of file */ } dirent64_t; #endif /* _LARGEFILE64_SOURCE */ #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) #if defined(_KERNEL) #define DIRENT64_RECLEN(namelen) \ ((offsetof(dirent64_t, d_name[0]) + 1 + (namelen) + 7) & ~ 7) #define DIRENT64_NAMELEN(reclen) \ ((reclen) - (offsetof(dirent64_t, d_name[0]))) #define DIRENT32_RECLEN(namelen) \ ((offsetof(dirent32_t, d_name[0]) + 1 + (namelen) + 3) & ~ 3) #define DIRENT32_NAMELEN(reclen) \ ((reclen) - (offsetof(dirent32_t, d_name[0]))) #endif /* * This is the maximum number of bytes that getdents(2) will store in * user-supplied dirent buffers. */ #define MAXGETDENTS_SIZE (64 * 1024) #if !defined(_KERNEL) /* * large file compilation environment setup * * In the LP64 compilation environment, map large file interfaces * back to native versions where possible. (This only works because * a 'struct dirent' == 'struct dirent64'). */ #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname getdents getdents64 #else #define getdents getdents64 #endif #endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */ #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname getdents64 getdents #else #define getdents64 getdents #define dirent64 dirent #define dirent64_t dirent_t #endif #endif /* _LP64 && _LARGEFILE64_SOURCE */ #if defined(__STDC__) extern int getdents(int, struct dirent *, size_t); #else extern int getdents(); #endif /* N.B.: transitional large file interface version deliberately not provided */ #endif /* !defined(_KERNEL) */ #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ #ifdef __cplusplus } #endif #endif /* _SYS_DIRENT_H */