1/*- 2 * Copyright (c) 2009 Aditya Sarawgi 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 *
| 1/*- 2 * Copyright (c) 2009 Aditya Sarawgi 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 *
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26 * $FreeBSD: head/sys/fs/ext2fs/ext2_dir.h 202283 2010-01-14 14:30:54Z lulf $
| 26 * $FreeBSD: head/sys/fs/ext2fs/ext2_dir.h 221126 2011-04-27 18:15:34Z jhb $
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27 */ 28 29#ifndef _FS_EXT2FS_EXT2_DIR_H_ 30#define _FS_EXT2FS_EXT2_DIR_H_ 31 32/* 33 * Structure of a directory entry 34 */ 35#define EXT2FS_MAXNAMLEN 255 36 37struct ext2fs_direct {
| 27 */ 28 29#ifndef _FS_EXT2FS_EXT2_DIR_H_ 30#define _FS_EXT2FS_EXT2_DIR_H_ 31 32/* 33 * Structure of a directory entry 34 */ 35#define EXT2FS_MAXNAMLEN 255 36 37struct ext2fs_direct {
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38 u_int32_t e2d_ino; /* inode number of entry */ 39 u_int16_t e2d_reclen; /* length of this record */ 40 u_int16_t e2d_namlen; /* length of string in d_name */
| 38 uint32_t e2d_ino; /* inode number of entry */ 39 uint16_t e2d_reclen; /* length of this record */ 40 uint16_t e2d_namlen; /* length of string in d_name */
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41 char e2d_name[EXT2FS_MAXNAMLEN];/* name with length<=EXT2FS_MAXNAMLEN */ 42}; 43/* 44 * The new version of the directory entry. Since EXT2 structures are 45 * stored in intel byte order, and the name_len field could never be 46 * bigger than 255 chars, it's safe to reclaim the extra byte for the 47 * file_type field. 48 */ 49struct ext2fs_direct_2 {
| 41 char e2d_name[EXT2FS_MAXNAMLEN];/* name with length<=EXT2FS_MAXNAMLEN */ 42}; 43/* 44 * The new version of the directory entry. Since EXT2 structures are 45 * stored in intel byte order, and the name_len field could never be 46 * bigger than 255 chars, it's safe to reclaim the extra byte for the 47 * file_type field. 48 */ 49struct ext2fs_direct_2 {
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50 u_int32_t e2d_ino; /* inode number of entry */ 51 u_int16_t e2d_reclen; /* length of this record */ 52 u_int8_t e2d_namlen; /* length of string in d_name */ 53 u_int8_t e2d_type; /* file type */
| 50 uint32_t e2d_ino; /* inode number of entry */ 51 uint16_t e2d_reclen; /* length of this record */ 52 uint8_t e2d_namlen; /* length of string in d_name */ 53 uint8_t e2d_type; /* file type */
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54 char e2d_name[EXT2FS_MAXNAMLEN];/* name with length<=EXT2FS_MAXNAMLEN */ 55}; 56/* 57 * Ext2 directory file types. Only the low 3 bits are used. The 58 * other bits are reserved for now. 59 */ 60#define EXT2_FT_UNKNOWN 0 61#define EXT2_FT_REG_FILE 1 62#define EXT2_FT_DIR 2 63#define EXT2_FT_CHRDEV 3 64#define EXT2_FT_BLKDEV 4 65#define EXT2_FT_FIFO 5 66#define EXT2_FT_SOCK 6 67#define EXT2_FT_SYMLINK 7 68 69#define EXT2_FT_MAX 8 70 71/* 72 * EXT2_DIR_PAD defines the directory entries boundaries 73 * 74 * NOTE: It must be a multiple of 4 75 */ 76#define EXT2_DIR_PAD 4 77#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1) 78#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \ 79 ~EXT2_DIR_ROUND) 80#endif /* !_FS_EXT2FS_EXT2_DIR_H_ */ 81
| 54 char e2d_name[EXT2FS_MAXNAMLEN];/* name with length<=EXT2FS_MAXNAMLEN */ 55}; 56/* 57 * Ext2 directory file types. Only the low 3 bits are used. The 58 * other bits are reserved for now. 59 */ 60#define EXT2_FT_UNKNOWN 0 61#define EXT2_FT_REG_FILE 1 62#define EXT2_FT_DIR 2 63#define EXT2_FT_CHRDEV 3 64#define EXT2_FT_BLKDEV 4 65#define EXT2_FT_FIFO 5 66#define EXT2_FT_SOCK 6 67#define EXT2_FT_SYMLINK 7 68 69#define EXT2_FT_MAX 8 70 71/* 72 * EXT2_DIR_PAD defines the directory entries boundaries 73 * 74 * NOTE: It must be a multiple of 4 75 */ 76#define EXT2_DIR_PAD 4 77#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1) 78#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \ 79 ~EXT2_DIR_ROUND) 80#endif /* !_FS_EXT2FS_EXT2_DIR_H_ */ 81
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