fdd5e90fdb
Introduce the BdrvDmgUncompressFunc type defintion. To emphasis dmg_uncompress_bz2 and dmg_uncompress_lzfse are pointer to functions, declare them using this new typedef. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-id: 20230320152610.32052-1-philmd@linaro.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
|
|
* Header for DMG driver
|
|
*
|
|
* Copyright (c) 2004-2006 Fabrice Bellard
|
|
* Copyright (c) 2016 Red hat, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef BLOCK_DMG_H
|
|
#define BLOCK_DMG_H
|
|
|
|
#include "block/block_int.h"
|
|
#include <zlib.h>
|
|
|
|
typedef struct BDRVDMGState {
|
|
CoMutex lock;
|
|
/* each chunk contains a certain number of sectors,
|
|
* offsets[i] is the offset in the .dmg file,
|
|
* lengths[i] is the length of the compressed chunk,
|
|
* sectors[i] is the sector beginning at offsets[i],
|
|
* sectorcounts[i] is the number of sectors in that chunk,
|
|
* the sectors array is ordered
|
|
* 0<=i<n_chunks */
|
|
|
|
uint32_t n_chunks;
|
|
uint32_t *types;
|
|
uint64_t *offsets;
|
|
uint64_t *lengths;
|
|
uint64_t *sectors;
|
|
uint64_t *sectorcounts;
|
|
uint32_t current_chunk;
|
|
uint8_t *compressed_chunk;
|
|
uint8_t *uncompressed_chunk;
|
|
z_stream zstream;
|
|
} BDRVDMGState;
|
|
|
|
typedef int BdrvDmgUncompressFunc(char *next_in, unsigned int avail_in,
|
|
char *next_out, unsigned int avail_out);
|
|
|
|
extern BdrvDmgUncompressFunc *dmg_uncompress_bz2;
|
|
extern BdrvDmgUncompressFunc *dmg_uncompress_lzfse;
|
|
|
|
#endif
|