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 *
|
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 $
|
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 {
|
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 */
|
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 {
|
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 */
|
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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