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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_EXTDIRENT_H
#define _SYS_EXTDIRENT_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#if defined(_KERNEL)
/*
* Extended file-system independent directory entry. This style of
* dirent provides additional informational flag bits for each
* directory entry. This dirent will be returned instead of the
* standard dirent if a VOP_READDIR() requests dirent flags via
* V_RDDIR_ENTFLAGS, and if the file system supports the flags.
*/
typedef struct edirent {
ino64_t ed_ino; /* "inode number" of entry */
off64_t ed_off; /* offset of disk directory entry */
uint32_t ed_eflags; /* per-entry flags */
unsigned short ed_reclen; /* length of this record */
char ed_name[1]; /* name of file */
} edirent_t;
#define EDIRENT_RECLEN(namelen) \
((offsetof(edirent_t, ed_name[0]) + 1 + (namelen) + 7) & ~ 7)
#define EDIRENT_NAMELEN(reclen) \
((reclen) - (offsetof(edirent_t, ed_name[0])))
/*
* Extended entry flags
* Extended entries include a bitfield of extra information
* regarding that entry.
*/
#define ED_CASE_CONFLICT 0x10 /* Disconsidering case, entry is not unique */
/*
* Extended flags accessor function
*/
#define ED_CASE_CONFLICTS(x) ((x)->ed_eflags & ED_CASE_CONFLICT)
#endif /* defined(_KERNEL) */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_EXTDIRENT_H */
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