/*-

 * 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: src/sys/sys/dirent.h,v 1.14 2004/04/07 04:19:49 imp Exp $

 */

#ifndef	_SYS_DIRENT_H_

#define	_SYS_DIRENT_H_

#include <sys/cdefs.h>

#include <sys/_types.h>

#include <stddef.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

};

#ifdef __SYMBIAN32__

struct wdirent {

	unsigned long	d_fileno;

	unsigned short	d_namlen;

	wchar_t*		d_name;

};

typedef struct __EPOC32_WDIR WDIR;

#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 requires 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_ */