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79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
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#ifndef LZO_WRAPPER_H
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#define LZO_WRAPPER_H
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/*
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* Squashfs
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*
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* Copyright (c) 2013
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* Phillip Lougher <phillip@squashfs.org.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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* lzo_wrapper.h
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*
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*/
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#ifndef linux
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#define __BYTE_ORDER BYTE_ORDER
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#define __BIG_ENDIAN BIG_ENDIAN
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#define __LITTLE_ENDIAN LITTLE_ENDIAN
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#else
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#include <endian.h>
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#endif
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#if __BYTE_ORDER == __BIG_ENDIAN
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extern unsigned int inswap_le32(unsigned int);
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#define SQUASHFS_INSWAP_COMP_OPTS(s) { \
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(s)->algorithm = inswap_le32((s)->algorithm); \
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(s)->compression_level = inswap_le32((s)->compression_level); \
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}
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#else
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#define SQUASHFS_INSWAP_COMP_OPTS(s)
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#endif
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/* Define the compression flags recognised. */
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#define SQUASHFS_LZO1X_1 0
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#define SQUASHFS_LZO1X_1_11 1
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#define SQUASHFS_LZO1X_1_12 2
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#define SQUASHFS_LZO1X_1_15 3
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#define SQUASHFS_LZO1X_999 4
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/* Default compression level used by SQUASHFS_LZO1X_999 */
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#define SQUASHFS_LZO1X_999_COMP_DEFAULT 8
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struct lzo_comp_opts {
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int algorithm;
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int compression_level;
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};
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struct lzo_algorithm {
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char *name;
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int size;
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int (*compress) (const lzo_bytep, lzo_uint, lzo_bytep, lzo_uintp,
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lzo_voidp);
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};
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struct lzo_stream {
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void *workspace;
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void *buffer;
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};
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#define LZO_MAX_EXPANSION(size) (size + (size / 16) + 64 + 3)
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int lzo1x_999_wrapper(const lzo_bytep, lzo_uint, lzo_bytep, lzo_uintp,
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lzo_voidp);
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#endif
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