1#ifndef MKSQUASHFS_H
2#define MKSQUASHFS_H
3/*
4 * Squashfs
5 *
6 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
7 * Phillip Lougher <phillip@lougher.demon.co.uK>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2,
12 * or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 *
23 * mksquashfs.h
24 *
25 */
26
27#if __BYTE_ORDER == __BIG_ENDIAN
28#define SQUASHFS_SWAP_SHORTS(s, d, n) swap_le16_num(s, d, n)
29#define SQUASHFS_SWAP_INTS(s, d, n) swap_le32_num(s, d, n)
30#define SQUASHFS_SWAP_LONG_LONGS(s, d, n) swap_le64_num(s, d, n)
31
32#define SWAP_LE16(s, d)		swap_le16(s, d)
33#define SWAP_LE32(s, d)		swap_le32(s, d)
34#define SWAP_LE64(s, d)		swap_le64(s, d)
35#else
36#define SQUASHFS_MEMCPY(s, d, n)	memcpy(d, s, n)
37#define SQUASHFS_SWAP_SHORTS(s, d, n)	memcpy(d, s, n * sizeof(short))
38#define SQUASHFS_SWAP_INTS(s, d, n)	memcpy(d, s, n * sizeof(int))
39#define SQUASHFS_SWAP_LONG_LONGS(s, d, n) \
40					memcpy(d, s, n * sizeof(long long))
41#endif
42
43struct dir_info {
44	char			*pathname;
45	unsigned int		count;
46	unsigned int		directory_count;
47	unsigned int		current_count;
48	unsigned int		byte_count;
49	char			dir_is_ldir;
50	struct dir_ent		*dir_ent;
51	struct dir_ent		**list;
52	DIR			*linuxdir;
53};
54
55struct dir_ent {
56	char			*name;
57	char			*pathname;
58	struct inode_info	*inode;
59	struct dir_info		*dir;
60	struct dir_info		*our_dir;
61};
62
63struct inode_info {
64	struct stat		buf;
65	struct inode_info	*next;
66	squashfs_inode		inode;
67	unsigned int		inode_number;
68	unsigned int		nlink;
69	int			pseudo_id;
70	char			type;
71	char			read;
72	char			root_entry;
73	char			pseudo_file;
74};
75#endif
76
77#define PSEUDO_FILE_OTHER	1
78#define PSEUDO_FILE_PROCESS	2
79
80#define IS_PSEUDO(a)		((a)->pseudo_file)
81#define IS_PSEUDO_PROCESS(a)	((a)->pseudo_file & PSEUDO_FILE_PROCESS)
82#define IS_PSEUDO_OTHER(a)	((a)->pseudo_file & PSEUDO_FILE_OTHER)
83
84/* offset of data in compressed metadata blocks (allowing room for
85 * compressed size */
86#define BLOCK_OFFSET 2
87