664a31e496
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
99 lines
3.6 KiB
C
99 lines
3.6 KiB
C
/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dirent.h 8.3 (Berkeley) 8/10/94
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* $FreeBSD$
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*/
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#ifndef _SYS_DIRENT_H_
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#define _SYS_DIRENT_H_
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#include <machine/ansi.h>
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/*
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* The dirent structure defines the format of directory entries returned by
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* the getdirentries(2) system call.
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*
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* A directory entry has a struct dirent at the front of it, containing its
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* inode number, the length of the entry, and the length of the name
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* contained in the entry. These are followed by the name padded to a 4
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* byte boundary with null bytes. All names are guaranteed null terminated.
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* The maximum length of a name in a directory is MAXNAMLEN.
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*/
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struct dirent {
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__uint32_t d_fileno; /* file number of entry */
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__uint16_t d_reclen; /* length of this record */
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__uint8_t d_type; /* file type, see below */
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__uint8_t d_namlen; /* length of string in d_name */
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#ifdef _POSIX_SOURCE
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char d_name[255 + 1]; /* name must be no longer than this */
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#else
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#define MAXNAMLEN 255
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char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */
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#endif
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};
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/*
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* File types
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*/
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#define DT_UNKNOWN 0
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#define DT_FIFO 1
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#define DT_CHR 2
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#define DT_DIR 4
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#define DT_BLK 6
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#define DT_REG 8
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#define DT_LNK 10
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#define DT_SOCK 12
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#define DT_WHT 14
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/*
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* Convert between stat structure types and directory types.
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*/
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#define IFTODT(mode) (((mode) & 0170000) >> 12)
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#define DTTOIF(dirtype) ((dirtype) << 12)
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/*
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* The _GENERIC_DIRSIZ macro gives the minimum record length which will hold
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* the directory entry. This requires the amount of space in struct direct
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* without the d_name field, plus enough space for the name with a terminating
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* null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
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*/
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#define _GENERIC_DIRSIZ(dp) \
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((sizeof (struct dirent) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))
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#ifdef _KERNEL
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#define GENERIC_DIRSIZ(dp) _GENERIC_DIRSIZ(dp)
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#endif
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#endif /* !_SYS_DIRENT_H_ */
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