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100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/* LZMA Decompress Header
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Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHWARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*/
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#ifndef __LZMADECOMPRESS_H__
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#define __LZMADECOMPRESS_H__
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#include "../basetypes.h"
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#include "Sdk/C/LzmaDec.h"
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#define LZMA_HEADER_SIZE (LZMA_PROPS_SIZE + 8)
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#ifdef __cplusplus
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extern "C" {
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#endif
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UINT64
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EFIAPI
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LShiftU64 (
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UINT64 Operand,
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UINT32 Count
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);
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/*
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Given a Lzma compressed source buffer, this function retrieves the size of
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the uncompressed buffer and the size of the scratch buffer required
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to decompress the compressed source buffer.
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Retrieves the size of the uncompressed buffer and the temporary scratch buffer
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required to decompress the buffer specified by Source and SourceSize.
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The size of the uncompressed buffer is returned DestinationSize,
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the size of the scratch buffer is returned ScratchSize, and RETURN_SUCCESS is returned.
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This function does not have scratch buffer available to perform a thorough
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checking of the validity of the source data. It just retrieves the "Original Size"
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field from the LZMA_HEADER_SIZE beginning bytes of the source data and output it as DestinationSize.
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And ScratchSize is specific to the decompression implementation.
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If SourceSize is less than LZMA_HEADER_SIZE, then ASSERT().
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@param Source The source buffer containing the compressed data.
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@param SourceSize The size, bytes, of the source buffer.
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@param DestinationSize A pointer to the size, bytes, of the uncompressed buffer
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that will be generated when the compressed buffer specified
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by Source and SourceSize is decompressed.
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@retval EFI_SUCCESS The size of the uncompressed data was returned
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DestinationSize and the size of the scratch
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buffer was returned ScratchSize.
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*/
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INT32
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EFIAPI
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LzmaGetInfo (
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const VOID *Source,
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UINT32 SourceSize,
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UINT32 *DestinationSize
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);
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/*
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Decompresses a Lzma compressed source buffer.
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Extracts decompressed data to its original form.
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If the compressed source data specified by Source is successfully decompressed
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into Destination, then RETURN_SUCCESS is returned. If the compressed source data
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specified by Source is not a valid compressed data format,
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then RETURN_INVALID_PARAMETER is returned.
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@param Source The source buffer containing the compressed data.
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@param SourceSize The size of source buffer.
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@param Destination The destination buffer to store the decompressed data
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@retval EFI_SUCCESS Decompression completed successfully, and
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the uncompressed buffer is returned Destination.
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@retval EFI_INVALID_PARAMETER
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The source buffer specified by Source is corrupted
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(not a valid compressed format).
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*/
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INT32
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EFIAPI
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LzmaDecompress (
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const VOID *Source,
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UINT32 SourceSize,
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VOID *Destination
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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