2019-05-20 20:08:00 +03:00
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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2009-10-06 07:04:15 +04:00
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#ifndef DECOMPRESSOR_H
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#define DECOMPRESSOR_H
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/*
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* Squashfs - a compressed read only filesystem for Linux
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*
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* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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2011-05-26 13:39:56 +04:00
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* Phillip Lougher <phillip@squashfs.org.uk>
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2009-10-06 07:04:15 +04:00
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*
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* decompressor.h
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*/
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struct squashfs_decompressor {
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2013-11-13 06:56:26 +04:00
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void *(*init)(struct squashfs_sb_info *, void *);
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void *(*comp_opts)(struct squashfs_sb_info *, void *, int);
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2009-10-06 07:04:15 +04:00
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void (*free)(void *);
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2013-11-18 06:59:12 +04:00
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int (*decompress)(struct squashfs_sb_info *, void *,
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struct buffer_head **, int, int, int,
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struct squashfs_page_actor *);
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2009-10-06 07:04:15 +04:00
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int id;
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char *name;
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int supported;
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};
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2013-11-13 06:56:26 +04:00
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static inline void *squashfs_comp_opts(struct squashfs_sb_info *msblk,
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void *buff, int length)
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2009-10-06 07:04:15 +04:00
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{
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2013-11-13 06:56:26 +04:00
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return msblk->decompressor->comp_opts ?
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msblk->decompressor->comp_opts(msblk, buff, length) : NULL;
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2009-10-06 07:04:15 +04:00
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}
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2010-12-09 05:08:31 +03:00
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#ifdef CONFIG_SQUASHFS_XZ
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extern const struct squashfs_decompressor squashfs_xz_comp_ops;
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#endif
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2014-11-27 21:48:44 +03:00
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#ifdef CONFIG_SQUASHFS_LZ4
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extern const struct squashfs_decompressor squashfs_lz4_comp_ops;
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#endif
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2011-01-05 21:23:53 +03:00
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#ifdef CONFIG_SQUASHFS_LZO
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extern const struct squashfs_decompressor squashfs_lzo_comp_ops;
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#endif
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2011-07-22 06:01:28 +04:00
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#ifdef CONFIG_SQUASHFS_ZLIB
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extern const struct squashfs_decompressor squashfs_zlib_comp_ops;
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#endif
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2017-08-10 05:42:36 +03:00
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#ifdef CONFIG_SQUASHFS_ZSTD
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extern const struct squashfs_decompressor squashfs_zstd_comp_ops;
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#endif
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2009-10-06 07:04:15 +04:00
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#endif
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