11541Srgrimes/*- 21541Srgrimes * Copyright (c) 1989, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 2914477Shsu * @(#)dirent.h 8.3 (Berkeley) 8/10/94 3050477Speter * $FreeBSD$ 311541Srgrimes */ 321541Srgrimes 3324778Sbde#ifndef _SYS_DIRENT_H_ 3424778Sbde#define _SYS_DIRENT_H_ 352165Spaul 36103192Smike#include <sys/cdefs.h> 37102227Smike#include <sys/_types.h> 3841929Sdt 391541Srgrimes/* 408876Srgrimes * The dirent structure defines the format of directory entries returned by 411541Srgrimes * the getdirentries(2) system call. 421541Srgrimes * 431541Srgrimes * A directory entry has a struct dirent at the front of it, containing its 441541Srgrimes * inode number, the length of the entry, and the length of the name 451541Srgrimes * contained in the entry. These are followed by the name padded to a 4 461541Srgrimes * byte boundary with null bytes. All names are guaranteed null terminated. 471541Srgrimes * The maximum length of a name in a directory is MAXNAMLEN. 481541Srgrimes */ 491541Srgrimes 501541Srgrimesstruct dirent { 5141929Sdt __uint32_t d_fileno; /* file number of entry */ 5241929Sdt __uint16_t d_reclen; /* length of this record */ 5341929Sdt __uint8_t d_type; /* file type, see below */ 5441929Sdt __uint8_t d_namlen; /* length of string in d_name */ 55103192Smike#if __BSD_VISIBLE 561541Srgrimes#define MAXNAMLEN 255 571541Srgrimes char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */ 58103192Smike#else 59103192Smike char d_name[255 + 1]; /* name must be no longer than this */ 601541Srgrimes#endif 611541Srgrimes}; 621541Srgrimes 63103192Smike#if __BSD_VISIBLE 641541Srgrimes/* 651541Srgrimes * File types 661541Srgrimes */ 671541Srgrimes#define DT_UNKNOWN 0 681541Srgrimes#define DT_FIFO 1 691541Srgrimes#define DT_CHR 2 701541Srgrimes#define DT_DIR 4 711541Srgrimes#define DT_BLK 6 721541Srgrimes#define DT_REG 8 731541Srgrimes#define DT_LNK 10 741541Srgrimes#define DT_SOCK 12 7514477Shsu#define DT_WHT 14 761541Srgrimes 771541Srgrimes/* 781541Srgrimes * Convert between stat structure types and directory types. 791541Srgrimes */ 801541Srgrimes#define IFTODT(mode) (((mode) & 0170000) >> 12) 811541Srgrimes#define DTTOIF(dirtype) ((dirtype) << 12) 822165Spaul 8324778Sbde/* 8424778Sbde * The _GENERIC_DIRSIZ macro gives the minimum record length which will hold 85161347Smaxim * the directory entry. This returns the amount of space in struct direct 8624778Sbde * without the d_name field, plus enough space for the name with a terminating 8724778Sbde * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary. 88103192Smike * 89103192Smike * XXX although this macro is in the implementation namespace, it requires 90103192Smike * a manifest constant that is not. 9124778Sbde */ 9224778Sbde#define _GENERIC_DIRSIZ(dp) \ 9324778Sbde ((sizeof (struct dirent) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3)) 94103192Smike#endif /* __BSD_VISIBLE */ 9524778Sbde 9655205Speter#ifdef _KERNEL 9724778Sbde#define GENERIC_DIRSIZ(dp) _GENERIC_DIRSIZ(dp) 982165Spaul#endif 9924778Sbde 10024778Sbde#endif /* !_SYS_DIRENT_H_ */ 101