initial

common/lzma/lzma.h

@@ -0,0 +1,71 @@
+//========= Copyright © 1996-2007, Valve Corporation, All rights reserved. ============//
+//
+//	Purpose: LZMA Glue. Designed for Tool time Encoding/Decoding.
+//
+//	LZMA SDK 4.43 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
+//
+//	http://www.7-zip.org/
+//
+//	LZMA SDK is licensed under two licenses:
+//
+//	1) GNU Lesser General Public License (GNU LGPL)
+//	2) Common Public License (CPL)
+//
+//	It means that you can select one of these two licenses and 
+//	follow rules of that license.
+//
+//	SPECIAL EXCEPTION:
+//
+//	Igor Pavlov, as the author of this Code, expressly permits you to 
+//	statically or dynamically link your Code (or bind by name) to the 
+//	interfaces of this file without subjecting your linked Code to the 
+//	terms of the CPL or GNU LGPL. Any modifications or additions 
+//	to this file, however, are subject to the LGPL or CPL terms.
+//
+//====================================================================================//
+
+#ifndef LZMA_H
+#define LZMA_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+// power of two, 256k
+#define LZMA_DEFAULT_DICTIONARY 18
+
+//-----------------------------------------------------------------------------
+//	These routines are designed for TOOL TIME encoding/decoding on the PC!
+//	They have not been made to encode/decode on the PPC and lack big endian awarnesss.
+//	Lightweight GAME TIME Decoding is part of tier1.lib, via CLZMA.
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// Encoding glue. Returns non-null Compressed buffer if successful.
+// Caller must free.
+//-----------------------------------------------------------------------------
+unsigned char *LZMA_Compress( 
+unsigned char	*pInput,
+unsigned int	inputSize, 
+unsigned int	*pOutputSize, 
+unsigned int	dictionarySize = LZMA_DEFAULT_DICTIONARY );
+
+//-----------------------------------------------------------------------------
+// Decoding glue. Returns TRUE if succesful.
+//-----------------------------------------------------------------------------
+bool LZMA_Uncompress( 
+unsigned char	*pInput, 
+unsigned char	**ppOutput,
+unsigned int	*pOutputSize );
+
+//-----------------------------------------------------------------------------
+// Decoding helper, returns TRUE if buffer is LZMA compressed.
+//-----------------------------------------------------------------------------
+bool LZMA_IsCompressed( unsigned char *pInput );
+
+//-----------------------------------------------------------------------------
+// Decoding helper, returns non-zero size of data when uncompressed, otherwise 0.
+//-----------------------------------------------------------------------------
+unsigned int LZMA_GetActualSize( unsigned char *pInput );
+
+#endif