1*199767f8SToomas Soome /*- 2*199767f8SToomas Soome * Copyright (c) 1989, 1993 3*199767f8SToomas Soome * The Regents of the University of California. All rights reserved. 4*199767f8SToomas Soome * 5*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 6*199767f8SToomas Soome * modification, are permitted provided that the following conditions 7*199767f8SToomas Soome * are met: 8*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 9*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 10*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 11*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 12*199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 13*199767f8SToomas Soome * 4. Neither the name of the University nor the names of its contributors 14*199767f8SToomas Soome * may be used to endorse or promote products derived from this software 15*199767f8SToomas Soome * without specific prior written permission. 16*199767f8SToomas Soome * 17*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*199767f8SToomas Soome * SUCH DAMAGE. 28*199767f8SToomas Soome * 29*199767f8SToomas Soome * @(#)dirent.h 8.3 (Berkeley) 8/10/94 30*199767f8SToomas Soome * $FreeBSD$ 31*199767f8SToomas Soome */ 32*199767f8SToomas Soome 33*199767f8SToomas Soome #ifndef _SYS_DIRENT_H_ 34*199767f8SToomas Soome #define _SYS_DIRENT_H_ 35*199767f8SToomas Soome 36*199767f8SToomas Soome #include <sys/cdefs.h> 37*199767f8SToomas Soome #include <sys/_types.h> 38*199767f8SToomas Soome 39*199767f8SToomas Soome /* 40*199767f8SToomas Soome * The dirent structure defines the format of directory entries returned by 41*199767f8SToomas Soome * the getdirentries(2) system call. 42*199767f8SToomas Soome * 43*199767f8SToomas Soome * A directory entry has a struct dirent at the front of it, containing its 44*199767f8SToomas Soome * inode number, the length of the entry, and the length of the name 45*199767f8SToomas Soome * contained in the entry. These are followed by the name padded to a 4 46*199767f8SToomas Soome * byte boundary with null bytes. All names are guaranteed null terminated. 47*199767f8SToomas Soome * The maximum length of a name in a directory is MAXNAMLEN. 48*199767f8SToomas Soome */ 49*199767f8SToomas Soome 50*199767f8SToomas Soome struct dirent { 51*199767f8SToomas Soome __uint32_t d_fileno; /* file number of entry */ 52*199767f8SToomas Soome __uint16_t d_reclen; /* length of this record */ 53*199767f8SToomas Soome __uint8_t d_type; /* file type, see below */ 54*199767f8SToomas Soome __uint8_t d_namlen; /* length of string in d_name */ 55*199767f8SToomas Soome #if __BSD_VISIBLE 56*199767f8SToomas Soome #define MAXNAMLEN 255 57*199767f8SToomas Soome char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */ 58*199767f8SToomas Soome #else 59*199767f8SToomas Soome char d_name[255 + 1]; /* name must be no longer than this */ 60*199767f8SToomas Soome #endif 61*199767f8SToomas Soome }; 62*199767f8SToomas Soome 63*199767f8SToomas Soome #if __BSD_VISIBLE 64*199767f8SToomas Soome /* 65*199767f8SToomas Soome * File types 66*199767f8SToomas Soome */ 67*199767f8SToomas Soome #define DT_UNKNOWN 0 68*199767f8SToomas Soome #define DT_FIFO 1 69*199767f8SToomas Soome #define DT_CHR 2 70*199767f8SToomas Soome #define DT_DIR 4 71*199767f8SToomas Soome #define DT_BLK 6 72*199767f8SToomas Soome #define DT_REG 8 73*199767f8SToomas Soome #define DT_LNK 10 74*199767f8SToomas Soome #define DT_SOCK 12 75*199767f8SToomas Soome #define DT_WHT 14 76*199767f8SToomas Soome 77*199767f8SToomas Soome /* 78*199767f8SToomas Soome * Convert between stat structure types and directory types. 79*199767f8SToomas Soome */ 80*199767f8SToomas Soome #define IFTODT(mode) (((mode) & 0170000) >> 12) 81*199767f8SToomas Soome #define DTTOIF(dirtype) ((dirtype) << 12) 82*199767f8SToomas Soome 83*199767f8SToomas Soome /* 84*199767f8SToomas Soome * The _GENERIC_DIRSIZ macro gives the minimum record length which will hold 85*199767f8SToomas Soome * the directory entry. This returns the amount of space in struct direct 86*199767f8SToomas Soome * without the d_name field, plus enough space for the name with a terminating 87*199767f8SToomas Soome * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary. 88*199767f8SToomas Soome * 89*199767f8SToomas Soome * XXX although this macro is in the implementation namespace, it requires 90*199767f8SToomas Soome * a manifest constant that is not. 91*199767f8SToomas Soome */ 92*199767f8SToomas Soome #define _GENERIC_DIRSIZ(dp) \ 93*199767f8SToomas Soome ((sizeof (struct dirent) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3)) 94*199767f8SToomas Soome #endif /* __BSD_VISIBLE */ 95*199767f8SToomas Soome 96*199767f8SToomas Soome #ifdef _KERNEL 97*199767f8SToomas Soome #define GENERIC_DIRSIZ(dp) _GENERIC_DIRSIZ(dp) 98*199767f8SToomas Soome #endif 99*199767f8SToomas Soome 100*199767f8SToomas Soome #endif /* !_SYS_DIRENT_H_ */ 101