60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/*
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* Header for DMG driver
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*
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* Copyright (c) 2004-2006 Fabrice Bellard
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* Copyright (c) 2016 Red hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef BLOCK_DMG_H
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#define BLOCK_DMG_H
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#include "block/block_int.h"
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#include <zlib.h>
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typedef struct BDRVDMGState {
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CoMutex lock;
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/* each chunk contains a certain number of sectors,
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* offsets[i] is the offset in the .dmg file,
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* lengths[i] is the length of the compressed chunk,
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* sectors[i] is the sector beginning at offsets[i],
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* sectorcounts[i] is the number of sectors in that chunk,
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* the sectors array is ordered
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* 0<=i<n_chunks */
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uint32_t n_chunks;
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uint32_t *types;
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uint64_t *offsets;
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uint64_t *lengths;
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uint64_t *sectors;
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uint64_t *sectorcounts;
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uint32_t current_chunk;
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uint8_t *compressed_chunk;
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uint8_t *uncompressed_chunk;
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z_stream zstream;
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} BDRVDMGState;
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extern int (*dmg_uncompress_bz2)(char *next_in, unsigned int avail_in,
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char *next_out, unsigned int avail_out);
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extern int (*dmg_uncompress_lzfse)(char *next_in, unsigned int avail_in,
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char *next_out, unsigned int avail_out);
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#endif
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