1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * 25 * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 26 */ 27 28 #ifndef _SYS_EXTDIRENT_H 29 #define _SYS_EXTDIRENT_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <sys/types.h> 36 37 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 38 39 /* 40 * Extended file-system independent directory entry. This style of 41 * dirent provides additional informational flag bits for each 42 * directory entry. This dirent will be returned instead of the 43 * standard dirent if a VOP_READDIR() requests dirent flags via 44 * V_RDDIR_ENTFLAGS, and if the file system supports the flags. 45 */ 46 typedef struct edirent { 47 ino64_t ed_ino; /* "inode number" of entry */ 48 off64_t ed_off; /* offset of disk directory entry */ 49 uint32_t ed_eflags; /* per-entry flags */ 50 unsigned short ed_reclen; /* length of this record */ 51 char ed_name[1]; /* name of file */ 52 } edirent_t; 53 54 #define EDIRENT_RECLEN(namelen) \ 55 ((offsetof(edirent_t, ed_name[0]) + 1 + (namelen) + 7) & ~ 7) 56 #define EDIRENT_NAMELEN(reclen) \ 57 ((reclen) - (offsetof(edirent_t, ed_name[0]))) 58 59 /* 60 * Extended entry flags 61 * Extended entries include a bitfield of extra information 62 * regarding that entry. 63 */ 64 #define ED_CASE_CONFLICT 0x10 /* Disconsidering case, entry is not unique */ 65 66 /* 67 * Extended flags accessor function 68 */ 69 #define ED_CASE_CONFLICTS(x) ((x)->ed_eflags & ED_CASE_CONFLICT) 70 71 #endif /* defined(_KERNEL) */ 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif /* _SYS_EXTDIRENT_H */ 78