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62 lines
2.4 KiB
62 lines
2.4 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: LZMA Glue. Designed for Tool time Encoding/Decoding.
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//
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// LZMA Codec interface for engine. Based largely on LzmaUtil.c in SDK
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//
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// LZMA SDK 9.38 beta
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// 2015-01-03 : Igor Pavlov : Public domain
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// http://www.7-zip.org/
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//
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//====================================================================================//
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#ifndef LZMA_H
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#define LZMA_H
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#ifdef _WIN32
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#pragma once
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#endif
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//-----------------------------------------------------------------------------
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// These routines are designed for TOOL TIME encoding/decoding on the PC!
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// They have not been made to encode/decode on the PPC and lack big endian awarnesss.
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// Lightweight GAME TIME Decoding is part of tier1.lib, via CLZMA.
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// Encoding glue. Returns non-null Compressed buffer if successful.
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// Caller must free.
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//-----------------------------------------------------------------------------
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unsigned char *LZMA_Compress(
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unsigned char *pInput,
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unsigned int inputSize,
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unsigned int *pOutputSize );
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//-----------------------------------------------------------------------------
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// Above, but returns null if compression would not yield a size improvement
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//-----------------------------------------------------------------------------
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unsigned char *LZMA_OpportunisticCompress(
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unsigned char *pInput,
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unsigned int inputSize,
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unsigned int *pOutputSize );
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//-----------------------------------------------------------------------------
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// Decoding glue. Returns TRUE if succesful.
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//-----------------------------------------------------------------------------
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bool LZMA_Uncompress(
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unsigned char *pInput,
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unsigned char **ppOutput,
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unsigned int *pOutputSize );
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//-----------------------------------------------------------------------------
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// Decoding helper, returns TRUE if buffer is LZMA compressed.
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//-----------------------------------------------------------------------------
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bool LZMA_IsCompressed( unsigned char *pInput );
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//-----------------------------------------------------------------------------
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// Decoding helper, returns non-zero size of data when uncompressed, otherwise 0.
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//-----------------------------------------------------------------------------
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unsigned int LZMA_GetActualSize( unsigned char *pInput );
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#endif
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