| /*- |
| * Copyright (c) 1989, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)dirent.h 8.3 (Berkeley) 8/10/94 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _SYS_DIRENT_H_ |
| #define _SYS_DIRENT_H_ |
| |
| #include <sys/cdefs.h> |
| #include <sys/_types.h> |
| |
| /* |
| * The dirent structure defines the format of directory entries returned by |
| * the getdirentries(2) system call. |
| * |
| * A directory entry has a struct dirent at the front of it, containing its |
| * inode number, the length of the entry, and the length of the name |
| * contained in the entry. These are followed by the name padded to a 4 |
| * byte boundary with null bytes. All names are guaranteed null terminated. |
| * The maximum length of a name in a directory is MAXNAMLEN. |
| */ |
| |
| struct dirent { |
| __uint32_t d_fileno; /* file number of entry */ |
| __uint16_t d_reclen; /* length of this record */ |
| __uint8_t d_type; /* file type, see below */ |
| __uint8_t d_namlen; /* length of string in d_name */ |
| #if __BSD_VISIBLE |
| #define MAXNAMLEN 255 |
| char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */ |
| #else |
| char d_name[255 + 1]; /* name must be no longer than this */ |
| #endif |
| }; |
| |
| #if __BSD_VISIBLE |
| /* |
| * File types |
| */ |
| #define DT_UNKNOWN 0 |
| #define DT_FIFO 1 |
| #define DT_CHR 2 |
| #define DT_DIR 4 |
| #define DT_BLK 6 |
| #define DT_REG 8 |
| #define DT_LNK 10 |
| #define DT_SOCK 12 |
| #define DT_WHT 14 |
| |
| /* |
| * Convert between stat structure types and directory types. |
| */ |
| #define IFTODT(mode) (((mode) & 0170000) >> 12) |
| #define DTTOIF(dirtype) ((dirtype) << 12) |
| |
| /* |
| * The _GENERIC_DIRSIZ macro gives the minimum record length which will hold |
| * the directory entry. This returns the amount of space in struct direct |
| * without the d_name field, plus enough space for the name with a terminating |
| * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary. |
| * |
| * XXX although this macro is in the implementation namespace, it requires |
| * a manifest constant that is not. |
| */ |
| #define _GENERIC_DIRSIZ(dp) \ |
| ((sizeof (struct dirent) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3)) |
| #endif /* __BSD_VISIBLE */ |
| |
| #ifdef _KERNEL |
| #define GENERIC_DIRSIZ(dp) _GENERIC_DIRSIZ(dp) |
| #endif |
| |
| #endif /* !_SYS_DIRENT_H_ */ |