1 /* $NetBSD: extdirent.h,v 1.1 2019/06/24 08:27:20 hannken Exp $ */ 2 3 /* 4 * CDDL HEADER START 5 * 6 * The contents of this file are subject to the terms of the 7 * Common Development and Distribution License (the "License"). 8 * You may not use this file except in compliance with the License. 9 * 10 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 11 * or http://www.opensolaris.org/os/licensing. 12 * See the License for the specific language governing permissions 13 * and limitations under the License. 14 * 15 * When distributing Covered Code, include this CDDL HEADER in each 16 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 17 * If applicable, add the following below this CDDL HEADER, with the 18 * fields enclosed by brackets "[]" replaced with your own identifying 19 * information: Portions Copyright [yyyy] [name of copyright owner] 20 * 21 * CDDL HEADER END 22 */ 23 /* 24 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #ifndef _SYS_EXTDIRENT_H 29 #define _SYS_EXTDIRENT_H 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #include <sys/types.h> 38 39 #if defined(_KERNEL) 40 41 /* 42 * Extended file-system independent directory entry. This style of 43 * dirent provides additional informational flag bits for each 44 * directory entry. This dirent will be returned instead of the 45 * standard dirent if a VOP_READDIR() requests dirent flags via 46 * V_RDDIR_ENTFLAGS, and if the file system supports the flags. 47 */ 48 typedef struct edirent { 49 ino64_t ed_ino; /* "inode number" of entry */ 50 off64_t ed_off; /* offset of disk directory entry */ 51 uint32_t ed_eflags; /* per-entry flags */ 52 unsigned short ed_reclen; /* length of this record */ 53 char ed_name[1]; /* name of file */ 54 } edirent_t; 55 56 #define EDIRENT_RECLEN(namelen) \ 57 ((offsetof(edirent_t, ed_name[0]) + 1 + (namelen) + 7) & ~ 7) 58 #define EDIRENT_NAMELEN(reclen) \ 59 ((reclen) - (offsetof(edirent_t, ed_name[0]))) 60 61 /* 62 * Extended entry flags 63 * Extended entries include a bitfield of extra information 64 * regarding that entry. 65 */ 66 #define ED_CASE_CONFLICT 0x10 /* Disconsidering case, entry is not unique */ 67 68 /* 69 * Extended flags accessor function 70 */ 71 #define ED_CASE_CONFLICTS(x) ((x)->ed_eflags & ED_CASE_CONFLICT) 72 73 #endif /* defined(_KERNEL) */ 74 75 #ifdef __cplusplus 76 } 77 #endif 78 79 #endif /* _SYS_EXTDIRENT_H */ 80