#include "mlz4hc.h"
#include "lz4.cxx"

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Data Structures
struct	LZ4HC_Data_Structure

Macros
#define	MLZ4_COMMONDEFS_ONLY

#define	DICTIONARY_LOGSIZE 16

#define	MAXD (1<<DICTIONARY_LOGSIZE)

#define	MAXD_MASK (MAXD - 1)

#define	HASH_LOG (DICTIONARY_LOGSIZE-1)

#define	HASHTABLESIZE (1 << HASH_LOG)

#define	HASH_MASK (HASHTABLESIZE - 1)

#define	OPTIMAL_ML (int)((ML_MASK-1)+MINMATCH)

#define	HASH_FUNCTION(i) (((i) * 2654435761U) >> ((MINMATCH*8)-HASH_LOG))

#define	DELTANEXTU16(p) chainTable[(U16)(p)] /* faster */

#define	LZ4HC_DEBUG 0

Enumerations
enum	limitedOutput_directive { notLimited = 0 , limitedOutput = 1 , noLimit = 0 , limitedOutput = 1 }

Functions
static U32	LZ4HC_hashPtr (const void *ptr)

static void	LZ4HC_init (LZ4HC_Data_Structure hc4, const BYTE start)

FORCE_INLINE void	LZ4HC_Insert (LZ4HC_Data_Structure hc4, const BYTE ip)

FORCE_INLINE int	LZ4HC_InsertAndFindBestMatch (LZ4HC_Data_Structure hc4, const BYTE ip, const BYTE const iLimit, const BYTE *matchpos, const int maxNbAttempts)

FORCE_INLINE int	LZ4HC_InsertAndGetWiderMatch (LZ4HC_Data_Structure hc4, const BYTE const ip, const BYTE const iLowLimit, const BYTE const iHighLimit, int longest, const BYTE matchpos, const BYTE startpos, const int maxNbAttempts)

FORCE_INLINE int	LZ4HC_encodeSequence (const BYTE ip, BYTE op, const BYTE *anchor, int matchLength, const BYTE const match, limitedOutput_directive limitedOutputBuffer, BYTE *oend)

static int	LZ4HC_compress_generic (void ctxvoid, const char source, char *dest, int inputSize, int maxOutputSize, int compressionLevel, limitedOutput_directive limit)

int	MLZ4_sizeofStateHC (void)

int	MLZ4_compress_HC_extStateHC (void state, const char src, char *dst, int srcSize, int maxDstSize, int compressionLevel)

int	MLZ4_compress_HC (const char src, char dst, int srcSize, int maxDstSize, int compressionLevel)

MLZ4_streamHC_t *	MLZ4_createStreamHC (void)

int	MLZ4_freeStreamHC (MLZ4_streamHC_t *MLZ4_streamHCPtr)

void	MLZ4_resetStreamHC (MLZ4_streamHC_t *MLZ4_streamHCPtr, int compressionLevel)

int	MLZ4_loadDictHC (MLZ4_streamHC_t MLZ4_streamHCPtr, const char dictionary, int dictSize)

static void	LZ4HC_setExternalDict (LZ4HC_Data_Structure ctxPtr, const BYTE newBlock)

static int	MLZ4_compressHC_continue_generic (LZ4HC_Data_Structure ctxPtr, const char source, char *dest, int inputSize, int maxOutputSize, limitedOutput_directive limit)

int	MLZ4_compress_HC_continue (MLZ4_streamHC_t MLZ4_streamHCPtr, const char source, char *dest, int inputSize, int maxOutputSize)

int	MLZ4_saveDictHC (MLZ4_streamHC_t MLZ4_streamHCPtr, char safeBuffer, int dictSize)

int	MLZ4_compressHC (const char src, char dst, int srcSize)

int	MLZ4_compressHC_limitedOutput (const char src, char dst, int srcSize, int maxDstSize)

int	MLZ4_compressHC2 (const char src, char dst, int srcSize, int cLevel)

int	MLZ4_compressHC2_limitedOutput (const char src, char dst, int srcSize, int maxDstSize, int cLevel)

int	MLZ4_compressHC_withStateHC (void state, const char src, char *dst, int srcSize)

int	MLZ4_compressHC_limitedOutput_withStateHC (void state, const char src, char *dst, int srcSize, int maxDstSize)

int	MLZ4_compressHC2_withStateHC (void state, const char src, char *dst, int srcSize, int cLevel)

int	MLZ4_compressHC2_limitedOutput_withStateHC (void state, const char src, char *dst, int srcSize, int maxDstSize, int cLevel)

int	MLZ4_compressHC_continue (MLZ4_streamHC_t ctx, const char src, char *dst, int srcSize)

int	MLZ4_compressHC_limitedOutput_continue (MLZ4_streamHC_t ctx, const char src, char *dst, int srcSize, int maxDstSize)

int	MLZ4_sizeofStreamStateHC (void)

int	MLZ4_resetStreamStateHC (void state, char inputBuffer)

void *	MLZ4_createHC (char *inputBuffer)

int	MLZ4_freeHC (void *LZ4HC_Data)

int	MLZ4_compressHC2_continue (void LZ4HC_Data, const char source, char *dest, int inputSize, int compressionLevel)

int	MLZ4_compressHC2_limitedOutput_continue (void LZ4HC_Data, const char source, char *dest, int inputSize, int maxOutputSize, int compressionLevel)

char *	MLZ4_slideInputBufferHC (void *LZ4HC_Data)

Variables
static const int	LZ4HC_compressionLevel_default = 9

static const int	g_maxCompressionLevel = 16

Macro Definition Documentation

◆ DELTANEXTU16

#define DELTANEXTU16 ( p ) chainTable[(U16)(p)] /* faster */

Definition at line 107 of file lz4hc.cxx.

◆ DICTIONARY_LOGSIZE

#define DICTIONARY_LOGSIZE 16

Definition at line 71 of file lz4hc.cxx.

◆ HASH_FUNCTION

#define HASH_FUNCTION ( i ) (((i) * 2654435761U) >> ((MINMATCH*8)-HASH_LOG))

Definition at line 105 of file lz4hc.cxx.

◆ HASH_LOG

#define HASH_LOG (DICTIONARY_LOGSIZE-1)

Definition at line 75 of file lz4hc.cxx.

◆ HASH_MASK

#define HASH_MASK (HASHTABLESIZE - 1)

Definition at line 77 of file lz4hc.cxx.

◆ HASHTABLESIZE

#define HASHTABLESIZE (1 << HASH_LOG)

Definition at line 76 of file lz4hc.cxx.

◆ LZ4HC_DEBUG

#define LZ4HC_DEBUG 0

Definition at line 285 of file lz4hc.cxx.

◆ MAXD

#define MAXD (1<<DICTIONARY_LOGSIZE)

Definition at line 72 of file lz4hc.cxx.

◆ MAXD_MASK

#define MAXD_MASK (MAXD - 1)

Definition at line 73 of file lz4hc.cxx.

◆ MLZ4_COMMONDEFS_ONLY

#define MLZ4_COMMONDEFS_ONLY

Definition at line 64 of file lz4hc.cxx.

◆ OPTIMAL_ML

#define OPTIMAL_ML (int)((ML_MASK-1)+MINMATCH)

Definition at line 79 of file lz4hc.cxx.

Enumeration Type Documentation

◆ limitedOutput_directive

enum limitedOutput_directive

Enumerator
notLimited
limitedOutput
noLimit
limitedOutput

Definition at line 283 of file lz4hc.cxx.

Function Documentation

◆ LZ4HC_compress_generic()

static int LZ4HC_compress_generic	(	void *	ctxvoid,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize,
		int	compressionLevel,
		limitedOutput_directive	limit
	)

static

Definition at line 334 of file lz4hc.cxx.

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◆ LZ4HC_encodeSequence()

FORCE_INLINE int LZ4HC_encodeSequence	(	const BYTE **	ip,
		BYTE **	op,
		const BYTE **	anchor,
		int	matchLength,
		const BYTE *const	match,
		limitedOutput_directive	limitedOutputBuffer,
		BYTE *	oend
	)

Definition at line 290 of file lz4hc.cxx.

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◆ LZ4HC_hashPtr()

static U32 LZ4HC_hashPtr ( const void * ptr )

static

Definition at line 109 of file lz4hc.cxx.

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◆ LZ4HC_init()

static void LZ4HC_init	(	LZ4HC_Data_Structure *	hc4,
		const BYTE *	start
	)

static

Definition at line 116 of file lz4hc.cxx.

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◆ LZ4HC_Insert()

FORCE_INLINE void LZ4HC_Insert	(	LZ4HC_Data_Structure *	hc4,
		const BYTE *	ip
	)

Definition at line 130 of file lz4hc.cxx.

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◆ LZ4HC_InsertAndFindBestMatch()

FORCE_INLINE int LZ4HC_InsertAndFindBestMatch	(	LZ4HC_Data_Structure *	hc4,
		const BYTE *	ip,
		const BYTE *const	iLimit,
		const BYTE **	matchpos,
		const int	maxNbAttempts
	)

Definition at line 152 of file lz4hc.cxx.

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◆ LZ4HC_InsertAndGetWiderMatch()

FORCE_INLINE int LZ4HC_InsertAndGetWiderMatch	(	LZ4HC_Data_Structure *	hc4,
		const BYTE *const	ip,
		const BYTE *const	iLowLimit,
		const BYTE *const	iHighLimit,
		int	longest,
		const BYTE **	matchpos,
		const BYTE **	startpos,
		const int	maxNbAttempts
	)

Definition at line 206 of file lz4hc.cxx.

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◆ LZ4HC_setExternalDict()

static void LZ4HC_setExternalDict	(	LZ4HC_Data_Structure *	ctxPtr,
		const BYTE *	newBlock
	)

static

Definition at line 591 of file lz4hc.cxx.

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◆ MLZ4_compress_HC()

int MLZ4_compress_HC	(	const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize,
		int	compressionLevel
	)

Definition at line 550 of file lz4hc.cxx.

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◆ MLZ4_compress_HC_continue()

int MLZ4_compress_HC_continue	(	MLZ4_streamHC_t *	MLZ4_streamHCPtr,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize
	)

Definition at line 641 of file lz4hc.cxx.

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◆ MLZ4_compress_HC_extStateHC()

int MLZ4_compress_HC_extStateHC	(	void *	state,
		const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize,
		int	compressionLevel
	)

Definition at line 540 of file lz4hc.cxx.

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◆ MLZ4_compressHC()

int MLZ4_compressHC	(	const char *	src,
		char *	dst,
		int	srcSize
	)

Definition at line 677 of file lz4hc.cxx.

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◆ MLZ4_compressHC2()

int MLZ4_compressHC2	(	const char *	src,
		char *	dst,
		int	srcSize,
		int	cLevel
	)

Definition at line 679 of file lz4hc.cxx.

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◆ MLZ4_compressHC2_continue()

int MLZ4_compressHC2_continue	(	void *	LZ4HC_Data,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	compressionLevel
	)

Definition at line 716 of file lz4hc.cxx.

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◆ MLZ4_compressHC2_limitedOutput()

int MLZ4_compressHC2_limitedOutput	(	const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize,
		int	cLevel
	)

Definition at line 680 of file lz4hc.cxx.

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◆ MLZ4_compressHC2_limitedOutput_continue()

int MLZ4_compressHC2_limitedOutput_continue	(	void *	LZ4HC_Data,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize,
		int	compressionLevel
	)

Definition at line 721 of file lz4hc.cxx.

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◆ MLZ4_compressHC2_limitedOutput_withStateHC()

int MLZ4_compressHC2_limitedOutput_withStateHC	(	void *	state,
		const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize,
		int	cLevel
	)

Definition at line 684 of file lz4hc.cxx.

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◆ MLZ4_compressHC2_withStateHC()

int MLZ4_compressHC2_withStateHC	(	void *	state,
		const char *	src,
		char *	dst,
		int	srcSize,
		int	cLevel
	)

Definition at line 683 of file lz4hc.cxx.

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◆ MLZ4_compressHC_continue()

int MLZ4_compressHC_continue	(	MLZ4_streamHC_t *	ctx,
		const char *	src,
		char *	dst,
		int	srcSize
	)

Definition at line 685 of file lz4hc.cxx.

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◆ MLZ4_compressHC_continue_generic()

static int MLZ4_compressHC_continue_generic	(	LZ4HC_Data_Structure *	ctxPtr,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize,
		limitedOutput_directive	limit
	)

static

Definition at line 604 of file lz4hc.cxx.

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◆ MLZ4_compressHC_limitedOutput()

int MLZ4_compressHC_limitedOutput	(	const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize
	)

Definition at line 678 of file lz4hc.cxx.

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◆ MLZ4_compressHC_limitedOutput_continue()

int MLZ4_compressHC_limitedOutput_continue	(	MLZ4_streamHC_t *	ctx,
		const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize
	)

Definition at line 686 of file lz4hc.cxx.

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◆ MLZ4_compressHC_limitedOutput_withStateHC()

int MLZ4_compressHC_limitedOutput_withStateHC	(	void *	state,
		const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize
	)

Definition at line 682 of file lz4hc.cxx.

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◆ MLZ4_compressHC_withStateHC()

int MLZ4_compressHC_withStateHC	(	void *	state,
		const char *	src,
		char *	dst,
		int	srcSize
	)

Definition at line 681 of file lz4hc.cxx.

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◆ MLZ4_createHC()

void* MLZ4_createHC ( char * inputBuffer )

Definition at line 701 of file lz4hc.cxx.

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◆ MLZ4_createStreamHC()

MLZ4_streamHC_t* MLZ4_createStreamHC ( void )

Definition at line 562 of file lz4hc.cxx.

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◆ MLZ4_freeHC()

int MLZ4_freeHC ( void * LZ4HC_Data )

Definition at line 710 of file lz4hc.cxx.

◆ MLZ4_freeStreamHC()

int MLZ4_freeStreamHC ( MLZ4_streamHC_t * MLZ4_streamHCPtr )

Definition at line 563 of file lz4hc.cxx.

◆ MLZ4_loadDictHC()

int MLZ4_loadDictHC	(	MLZ4_streamHC_t *	MLZ4_streamHCPtr,
		const char *	dictionary,
		int	dictSize
	)

Definition at line 574 of file lz4hc.cxx.

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◆ MLZ4_resetStreamHC()

void MLZ4_resetStreamHC	(	MLZ4_streamHC_t *	MLZ4_streamHCPtr,
		int	compressionLevel
	)

Definition at line 567 of file lz4hc.cxx.

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◆ MLZ4_resetStreamStateHC()

int MLZ4_resetStreamStateHC	(	void *	state,
		char *	inputBuffer
	)

Definition at line 693 of file lz4hc.cxx.

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◆ MLZ4_saveDictHC()

int MLZ4_saveDictHC	(	MLZ4_streamHC_t *	MLZ4_streamHCPtr,
		char *	safeBuffer,
		int	dictSize
	)

Definition at line 652 of file lz4hc.cxx.

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◆ MLZ4_sizeofStateHC()

int MLZ4_sizeofStateHC ( void )

Definition at line 538 of file lz4hc.cxx.

◆ MLZ4_sizeofStreamStateHC()

int MLZ4_sizeofStreamStateHC ( void )

Definition at line 691 of file lz4hc.cxx.

◆ MLZ4_slideInputBufferHC()

char* MLZ4_slideInputBufferHC ( void * LZ4HC_Data )

Definition at line 726 of file lz4hc.cxx.

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Variable Documentation

◆ g_maxCompressionLevel

const int g_maxCompressionLevel = 16

static

Definition at line 81 of file lz4hc.cxx.

◆ LZ4HC_compressionLevel_default

const int LZ4HC_compressionLevel_default = 9

static

Definition at line 40 of file lz4hc.cxx.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ DELTANEXTU16

◆ DICTIONARY_LOGSIZE

◆ HASH_FUNCTION

◆ HASH_LOG

◆ HASH_MASK

◆ HASHTABLESIZE

◆ LZ4HC_DEBUG

◆ MAXD

◆ MAXD_MASK

◆ MLZ4_COMMONDEFS_ONLY

◆ OPTIMAL_ML

Enumeration Type Documentation

◆ limitedOutput_directive

Function Documentation

◆ LZ4HC_compress_generic()

◆ LZ4HC_encodeSequence()

◆ LZ4HC_hashPtr()

◆ LZ4HC_init()

◆ LZ4HC_Insert()

◆ LZ4HC_InsertAndFindBestMatch()

◆ LZ4HC_InsertAndGetWiderMatch()

◆ LZ4HC_setExternalDict()

◆ MLZ4_compress_HC()

◆ MLZ4_compress_HC_continue()

◆ MLZ4_compress_HC_extStateHC()

◆ MLZ4_compressHC()

◆ MLZ4_compressHC2()

◆ MLZ4_compressHC2_continue()

◆ MLZ4_compressHC2_limitedOutput()

◆ MLZ4_compressHC2_limitedOutput_continue()

◆ MLZ4_compressHC2_limitedOutput_withStateHC()

◆ MLZ4_compressHC2_withStateHC()

◆ MLZ4_compressHC_continue()

◆ MLZ4_compressHC_continue_generic()

◆ MLZ4_compressHC_limitedOutput()

◆ MLZ4_compressHC_limitedOutput_continue()

◆ MLZ4_compressHC_limitedOutput_withStateHC()

◆ MLZ4_compressHC_withStateHC()

◆ MLZ4_createHC()

◆ MLZ4_createStreamHC()

◆ MLZ4_freeHC()

◆ MLZ4_freeStreamHC()

◆ MLZ4_loadDictHC()

◆ MLZ4_resetStreamHC()

◆ MLZ4_resetStreamStateHC()

◆ MLZ4_saveDictHC()

◆ MLZ4_sizeofStateHC()

◆ MLZ4_sizeofStreamStateHC()

◆ MLZ4_slideInputBufferHC()

Variable Documentation

◆ g_maxCompressionLevel

◆ LZ4HC_compressionLevel_default