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https://github.com/gnuton/asuswrt-merlin.ng.git
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312 lines
11 KiB
C
312 lines
11 KiB
C
#ifndef SQUASHFS_SWAP_H
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#define SQUASHFS_SWAP_H
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/*
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* Squashfs
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*
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* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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* Phillip Lougher <phillip@lougher.demon.co.uk>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2,
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* or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* squashfs_swap.h
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*/
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/*
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* macros to convert each stucture from big endian to little endian
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*/
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#if __BYTE_ORDER == __BIG_ENDIAN
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extern void swap_le16(unsigned short *, unsigned short *);
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extern void swap_le32(unsigned int *, unsigned int *);
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extern void swap_le64(long long *, long long *);
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extern void swap_le16_num(unsigned short *, unsigned short *, int);
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extern void swap_le32_num(unsigned int *, unsigned int *, int);
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extern void swap_le64_num(long long *, long long *, int);
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extern unsigned short inswap_le16(unsigned short);
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extern unsigned int inswap_le32(unsigned int);
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extern long long inswap_le64(long long);
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extern void inswap_le16_num(unsigned short *, int);
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extern void inswap_le32_num(unsigned int *, int);
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extern void inswap_le64_num(long long *, int);
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#define _SQUASHFS_SWAP_SUPER_BLOCK(s, d, SWAP_FUNC) {\
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SWAP_FUNC##32(s, d, s_magic);\
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SWAP_FUNC##32(s, d, inodes);\
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SWAP_FUNC##32(s, d, mkfs_time);\
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SWAP_FUNC##32(s, d, block_size);\
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SWAP_FUNC##32(s, d, fragments);\
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SWAP_FUNC##16(s, d, compression);\
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SWAP_FUNC##16(s, d, block_log);\
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SWAP_FUNC##16(s, d, flags);\
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SWAP_FUNC##16(s, d, no_ids);\
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SWAP_FUNC##16(s, d, s_major);\
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SWAP_FUNC##16(s, d, s_minor);\
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SWAP_FUNC##64(s, d, root_inode);\
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SWAP_FUNC##64(s, d, bytes_used);\
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SWAP_FUNC##64(s, d, id_table_start);\
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SWAP_FUNC##64(s, d, xattr_table_start);\
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SWAP_FUNC##64(s, d, inode_table_start);\
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SWAP_FUNC##64(s, d, directory_table_start);\
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SWAP_FUNC##64(s, d, fragment_table_start);\
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SWAP_FUNC##64(s, d, lookup_table_start);\
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}
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#define _SQUASHFS_SWAP_DIR_INDEX(s, d, SWAP_FUNC) {\
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SWAP_FUNC##32(s, d, index);\
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SWAP_FUNC##32(s, d, start_block);\
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SWAP_FUNC##32(s, d, size);\
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}
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#define _SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, inode_type);\
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SWAP_FUNC##16(s, d, mode);\
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SWAP_FUNC##16(s, d, uid);\
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SWAP_FUNC##16(s, d, guid);\
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SWAP_FUNC##32(s, d, mtime);\
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SWAP_FUNC##32(s, d, inode_number);\
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}
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#define _SQUASHFS_SWAP_IPC_INODE_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, inode_type);\
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SWAP_FUNC##16(s, d, mode);\
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SWAP_FUNC##16(s, d, uid);\
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SWAP_FUNC##16(s, d, guid);\
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SWAP_FUNC##32(s, d, mtime);\
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SWAP_FUNC##32(s, d, inode_number);\
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SWAP_FUNC##32(s, d, nlink);\
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}
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#define _SQUASHFS_SWAP_DEV_INODE_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, inode_type);\
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SWAP_FUNC##16(s, d, mode);\
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SWAP_FUNC##16(s, d, uid);\
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SWAP_FUNC##16(s, d, guid);\
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SWAP_FUNC##32(s, d, mtime);\
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SWAP_FUNC##32(s, d, inode_number);\
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SWAP_FUNC##32(s, d, nlink);\
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SWAP_FUNC##32(s, d, rdev);\
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}
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#define _SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, inode_type);\
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SWAP_FUNC##16(s, d, mode);\
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SWAP_FUNC##16(s, d, uid);\
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SWAP_FUNC##16(s, d, guid);\
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SWAP_FUNC##32(s, d, mtime);\
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SWAP_FUNC##32(s, d, inode_number);\
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SWAP_FUNC##32(s, d, nlink);\
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SWAP_FUNC##32(s, d, symlink_size);\
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}
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#define _SQUASHFS_SWAP_REG_INODE_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, inode_type);\
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SWAP_FUNC##16(s, d, mode);\
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SWAP_FUNC##16(s, d, uid);\
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SWAP_FUNC##16(s, d, guid);\
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SWAP_FUNC##32(s, d, mtime);\
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SWAP_FUNC##32(s, d, inode_number);\
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SWAP_FUNC##32(s, d, start_block);\
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SWAP_FUNC##32(s, d, fragment);\
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SWAP_FUNC##32(s, d, offset);\
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SWAP_FUNC##32(s, d, file_size);\
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}
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#define _SQUASHFS_SWAP_LREG_INODE_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, inode_type);\
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SWAP_FUNC##16(s, d, mode);\
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SWAP_FUNC##16(s, d, uid);\
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SWAP_FUNC##16(s, d, guid);\
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SWAP_FUNC##32(s, d, mtime);\
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SWAP_FUNC##32(s, d, inode_number);\
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SWAP_FUNC##64(s, d, start_block);\
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SWAP_FUNC##64(s, d, file_size);\
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SWAP_FUNC##64(s, d, sparse);\
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SWAP_FUNC##32(s, d, nlink);\
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SWAP_FUNC##32(s, d, fragment);\
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SWAP_FUNC##32(s, d, offset);\
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SWAP_FUNC##32(s, d, xattr);\
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}
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#define _SQUASHFS_SWAP_DIR_INODE_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, inode_type);\
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SWAP_FUNC##16(s, d, mode);\
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SWAP_FUNC##16(s, d, uid);\
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SWAP_FUNC##16(s, d, guid);\
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SWAP_FUNC##32(s, d, mtime);\
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SWAP_FUNC##32(s, d, inode_number);\
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SWAP_FUNC##32(s, d, start_block);\
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SWAP_FUNC##32(s, d, nlink);\
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SWAP_FUNC##16(s, d, file_size);\
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SWAP_FUNC##16(s, d, offset);\
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SWAP_FUNC##32(s, d, parent_inode);\
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}
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#define _SQUASHFS_SWAP_LDIR_INODE_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, inode_type);\
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SWAP_FUNC##16(s, d, mode);\
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SWAP_FUNC##16(s, d, uid);\
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SWAP_FUNC##16(s, d, guid);\
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SWAP_FUNC##32(s, d, mtime);\
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SWAP_FUNC##32(s, d, inode_number);\
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SWAP_FUNC##32(s, d, nlink);\
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SWAP_FUNC##32(s, d, file_size);\
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SWAP_FUNC##32(s, d, start_block);\
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SWAP_FUNC##32(s, d, parent_inode);\
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SWAP_FUNC##16(s, d, i_count);\
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SWAP_FUNC##16(s, d, offset);\
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SWAP_FUNC##32(s, d, xattr);\
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}
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#define _SQUASHFS_SWAP_DIR_ENTRY(s, d, SWAP_FUNC) {\
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SWAP_FUNC##16(s, d, offset);\
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SWAP_FUNC##S16(s, d, inode_number);\
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SWAP_FUNC##16(s, d, type);\
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SWAP_FUNC##16(s, d, size);\
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}
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#define _SQUASHFS_SWAP_DIR_HEADER(s, d, SWAP_FUNC) {\
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SWAP_FUNC##32(s, d, count);\
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SWAP_FUNC##32(s, d, start_block);\
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SWAP_FUNC##32(s, d, inode_number);\
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}
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#define _SQUASHFS_SWAP_FRAGMENT_ENTRY(s, d, SWAP_FUNC) {\
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SWAP_FUNC##64(s, d, start_block);\
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SWAP_FUNC##32(s, d, size);\
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}
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#define SQUASHFS_SWAP_SUPER_BLOCK(s, d) \
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_SQUASHFS_SWAP_SUPER_BLOCK(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_DIR_INDEX(s, d) \
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_SQUASHFS_SWAP_DIR_INDEX(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_BASE_INODE_HEADER(s, d) \
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_SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_IPC_INODE_HEADER(s, d) \
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_SQUASHFS_SWAP_IPC_INODE_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_DEV_INODE_HEADER(s, d) \
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_SQUASHFS_SWAP_DEV_INODE_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, d) \
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_SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_REG_INODE_HEADER(s, d) \
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_SQUASHFS_SWAP_REG_INODE_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_LREG_INODE_HEADER(s, d) \
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_SQUASHFS_SWAP_LREG_INODE_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_DIR_INODE_HEADER(s, d) \
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_SQUASHFS_SWAP_DIR_INODE_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_LDIR_INODE_HEADER(s, d) \
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_SQUASHFS_SWAP_LDIR_INODE_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_DIR_ENTRY(s, d) \
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_SQUASHFS_SWAP_DIR_ENTRY(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_DIR_HEADER(s, d) \
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_SQUASHFS_SWAP_DIR_HEADER(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_FRAGMENT_ENTRY(s, d) \
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_SQUASHFS_SWAP_FRAGMENT_ENTRY(s, d, SWAP_LE)
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#define SQUASHFS_SWAP_INODE_T(s, d) SQUASHFS_SWAP_LONG_LONGS(s, d, 1)
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#define SQUASHFS_SWAP_FRAGMENT_INDEXES(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
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#define SQUASHFS_SWAP_LOOKUP_BLOCKS(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
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#define SQUASHFS_SWAP_ID_BLOCKS(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
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#define SQUASHFS_INSWAP_SUPER_BLOCK(s) \
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_SQUASHFS_SWAP_SUPER_BLOCK(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_DIR_INDEX(s) \
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_SQUASHFS_SWAP_DIR_INDEX(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_BASE_INODE_HEADER(s) \
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_SQUASHFS_SWAP_BASE_INODE_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_IPC_INODE_HEADER(s) \
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_SQUASHFS_SWAP_IPC_INODE_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_DEV_INODE_HEADER(s) \
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_SQUASHFS_SWAP_DEV_INODE_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_SYMLINK_INODE_HEADER(s) \
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_SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_REG_INODE_HEADER(s) \
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_SQUASHFS_SWAP_REG_INODE_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_LREG_INODE_HEADER(s) \
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_SQUASHFS_SWAP_LREG_INODE_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_DIR_INODE_HEADER(s) \
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_SQUASHFS_SWAP_DIR_INODE_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_LDIR_INODE_HEADER(s) \
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_SQUASHFS_SWAP_LDIR_INODE_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_DIR_ENTRY(s) \
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_SQUASHFS_SWAP_DIR_ENTRY(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_DIR_HEADER(s) \
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_SQUASHFS_SWAP_DIR_HEADER(s, s, INSWAP_LE)
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#define SQUASHFS_INSWAP_FRAGMENT_ENTRY(s) \
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_SQUASHFS_SWAP_FRAGMENT_ENTRY(s, s, INSWAP_LE)
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#define INSWAP_LE16(s, d, field) (s)->field = inswap_le16((s)->field)
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#define INSWAP_LE32(s, d, field) (s)->field = inswap_le32((s)->field)
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#define INSWAP_LE64(s, d, field) (s)->field = inswap_le64((s)->field)
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#define INSWAP_LES16(s, d, field) \
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(s)->field = (short) inswap_le16((unsigned short) (s)->field)
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#define SQUASHFS_INSWAP_INODE_T(s) s = inswap_le64(s)
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#define SQUASHFS_INSWAP_FRAGMENT_INDEXES(s, n) inswap_le64_num(s, n)
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#define SQUASHFS_INSWAP_LOOKUP_BLOCKS(s, n) inswap_le64_num(s, n)
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#define SQUASHFS_INSWAP_ID_BLOCKS(s, n) inswap_le64_num(s, n)
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#define SQUASHFS_INSWAP_SHORTS(s, n) inswap_le16_num(s, n)
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#define SQUASHFS_INSWAP_INTS(s, n) inswap_le32_num(s, n)
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#define SQUASHFS_INSWAP_LONG_LONGS(s, n) inswap_le64_num(s, n)
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#else
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#define SQUASHFS_SWAP_SUPER_BLOCK(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_DIR_INDEX(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_BASE_INODE_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_IPC_INODE_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_DEV_INODE_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_REG_INODE_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_LREG_INODE_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_DIR_INODE_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_LDIR_INODE_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_DIR_ENTRY(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_DIR_HEADER(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_FRAGMENT_ENTRY(s, d) \
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SQUASHFS_MEMCPY(s, d, sizeof(*(s)))
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#define SQUASHFS_SWAP_INODE_T(s, d) SQUASHFS_SWAP_LONG_LONGS(s, d, 1)
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#define SQUASHFS_SWAP_FRAGMENT_INDEXES(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
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#define SQUASHFS_SWAP_LOOKUP_BLOCKS(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
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#define SQUASHFS_SWAP_ID_BLOCKS(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
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#define SQUASHFS_INSWAP_SUPER_BLOCK(s)
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#define SQUASHFS_INSWAP_DIR_INDEX(s)
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#define SQUASHFS_INSWAP_BASE_INODE_HEADER(s)
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#define SQUASHFS_INSWAP_IPC_INODE_HEADER(s)
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#define SQUASHFS_INSWAP_DEV_INODE_HEADER(s)
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#define SQUASHFS_INSWAP_SYMLINK_INODE_HEADER(s)
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#define SQUASHFS_INSWAP_REG_INODE_HEADER(s)
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#define SQUASHFS_INSWAP_LREG_INODE_HEADER(s)
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#define SQUASHFS_INSWAP_DIR_INODE_HEADER(s)
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#define SQUASHFS_INSWAP_LDIR_INODE_HEADER(s)
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#define SQUASHFS_INSWAP_DIR_ENTRY(s)
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#define SQUASHFS_INSWAP_DIR_HEADER(s)
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#define SQUASHFS_INSWAP_FRAGMENT_ENTRY(s)
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#define SQUASHFS_INSWAP_INODE_T(s)
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#define SQUASHFS_INSWAP_FRAGMENT_INDEXES(s, n)
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#define SQUASHFS_INSWAP_LOOKUP_BLOCKS(s, n)
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#define SQUASHFS_INSWAP_ID_BLOCKS(s, n)
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#define SQUASHFS_INSWAP_SHORTS(s, n)
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#define SQUASHFS_INSWAP_INTS(s, n)
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#define SQUASHFS_INSWAP_LONG_LONGS(s, n)
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#endif
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#endif
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