lz4.c File Reference

#include "lz4.h"
#include <stdlib.h>
#include <string.h>

Classes
struct	LZ4_stream_t_internal
struct	LZ4_streamDecode_t_internal
Defines
#define	HEAPMODE   0
#define	ACCELERATION_DEFAULT   1
#define	FORCE_INLINE   static
#define	expect(expr, value)   (expr)
#define	likely(expr)   expect((expr) != 0, 1)
#define	unlikely(expr)   expect((expr) != 0, 0)
#define	ALLOCATOR(n, s)   calloc(n,s)
#define	FREEMEM   free
#define	MEM_INIT   memset
#define	STEPSIZE   sizeof(size_t)
#define	MINMATCH   4
#define	COPYLENGTH   8
#define	LASTLITERALS   5
#define	MFLIMIT   (COPYLENGTH+MINMATCH)
#define	KB   *(1 <<10)
#define	MB   *(1 <<20)
#define	GB   *(1U<<30)
#define	MAXD_LOG   16
#define	MAX_DISTANCE   ((1 << MAXD_LOG) - 1)
#define	ML_BITS   4
#define	ML_MASK   ((1U<<ML_BITS)-1)
#define	RUN_BITS   (8-ML_BITS)
#define	RUN_MASK   ((1U<<RUN_BITS)-1)
#define	LZ4_STATIC_ASSERT(c)   { enum { LZ4_static_assert = 1/(int)(!!(c)) }; }
#define	LZ4_HASHLOG   (LZ4_MEMORY_USAGE-2)
#define	HASHTABLESIZE   (1 << LZ4_MEMORY_USAGE)
#define	HASH_SIZE_U32   (1 << LZ4_HASHLOG)
#define	HASH_UNIT   sizeof(size_t)
Typedefs
typedef unsigned char	BYTE
typedef unsigned short	U16
typedef unsigned int	U32
typedef signed int	S32
typedef unsigned long long	U64
Enumerations
enum	limitedOutput_directive { notLimited = 0, limitedOutput = 1 }
enum	tableType_t { byPtr, byU32, byU16 }
enum	dict_directive { noDict = 0, withPrefix64k, usingExtDict }
enum	dictIssue_directive { noDictIssue = 0, dictSmall }
enum	endCondition_directive { endOnOutputSize = 0, endOnInputSize = 1 }
enum	earlyEnd_directive { full = 0, partial = 1 }
Functions
static unsigned	LZ4_64bits (void)
static unsigned	LZ4_isLittleEndian (void)
static U16	LZ4_read16 (const void *memPtr)
static U16	LZ4_readLE16 (const void *memPtr)
static void	LZ4_writeLE16 (void *memPtr, U16 value)
static U32	LZ4_read32 (const void *memPtr)
static U64	LZ4_read64 (const void *memPtr)
static size_t	LZ4_read_ARCH (const void *p)
static void	LZ4_copy4 (void *dstPtr, const void *srcPtr)
static void	LZ4_copy8 (void *dstPtr, const void *srcPtr)
static void	LZ4_wildCopy (void *dstPtr, const void *srcPtr, void *dstEnd)
static unsigned	LZ4_NbCommonBytes (register size_t val)
static unsigned	LZ4_count (const BYTE *pIn, const BYTE *pMatch, const BYTE *pInLimit)
int	LZ4_versionNumber (void)
int	LZ4_compressBound (int isize)
int	LZ4_sizeofState ()
static U32	LZ4_hashSequence (U32 sequence, tableType_t const tableType)
static U32	LZ4_hashSequence64 (size_t sequence, tableType_t const tableType)
static U32	LZ4_hashSequenceT (size_t sequence, tableType_t const tableType)
static U32	LZ4_hashPosition (const void *p, tableType_t tableType)
static void	LZ4_putPositionOnHash (const BYTE *p, U32 h, void *tableBase, tableType_t const tableType, const BYTE *srcBase)
static void	LZ4_putPosition (const BYTE *p, void *tableBase, tableType_t tableType, const BYTE *srcBase)
static const BYTE *	LZ4_getPositionOnHash (U32 h, void *tableBase, tableType_t tableType, const BYTE *srcBase)
static const BYTE *	LZ4_getPosition (const BYTE *p, void *tableBase, tableType_t tableType, const BYTE *srcBase)
FORCE_INLINE int	LZ4_compress_generic (void *const ctx, const char *const source, char *const dest, const int inputSize, const int maxOutputSize, const limitedOutput_directive outputLimited, const tableType_t tableType, const dict_directive dict, const dictIssue_directive dictIssue, const U32 acceleration)
int	LZ4_compress_fast_extState (void *state, const char *source, char *dest, int inputSize, int maxOutputSize, int acceleration)
int	LZ4_compress_fast (const char *source, char *dest, int inputSize, int maxOutputSize, int acceleration)
int	LZ4_compress_default (const char *source, char *dest, int inputSize, int maxOutputSize)
int	LZ4_compress_fast_force (const char *source, char *dest, int inputSize, int maxOutputSize, int acceleration)
static int	LZ4_compress_destSize_generic (void *const ctx, const char *const src, char *const dst, int *const srcSizePtr, const int targetDstSize, const tableType_t tableType)
static int	LZ4_compress_destSize_extState (void *state, const char *src, char *dst, int *srcSizePtr, int targetDstSize)
int	LZ4_compress_destSize (const char *src, char *dst, int *srcSizePtr, int targetDstSize)
LZ4_stream_t *	LZ4_createStream (void)
void	LZ4_resetStream (LZ4_stream_t *LZ4_stream)
int	LZ4_freeStream (LZ4_stream_t *LZ4_stream)
int	LZ4_loadDict (LZ4_stream_t *LZ4_dict, const char *dictionary, int dictSize)
static void	LZ4_renormDictT (LZ4_stream_t_internal *LZ4_dict, const BYTE *src)
int	LZ4_compress_fast_continue (LZ4_stream_t *LZ4_stream, const char *source, char *dest, int inputSize, int maxOutputSize, int acceleration)
int	LZ4_compress_forceExtDict (LZ4_stream_t *LZ4_dict, const char *source, char *dest, int inputSize)
int	LZ4_saveDict (LZ4_stream_t *LZ4_dict, char *safeBuffer, int dictSize)
FORCE_INLINE int	LZ4_decompress_generic (const char *const source, char *const dest, int inputSize, int outputSize, int endOnInput, int partialDecoding, int targetOutputSize, int dict, const BYTE *const lowPrefix, const BYTE *const dictStart, const size_t dictSize)
int	LZ4_decompress_safe (const char *source, char *dest, int compressedSize, int maxDecompressedSize)
int	LZ4_decompress_safe_partial (const char *source, char *dest, int compressedSize, int targetOutputSize, int maxDecompressedSize)
int	LZ4_decompress_fast (const char *source, char *dest, int originalSize)
LZ4_streamDecode_t *	LZ4_createStreamDecode (void)
int	LZ4_freeStreamDecode (LZ4_streamDecode_t *LZ4_stream)
int	LZ4_setStreamDecode (LZ4_streamDecode_t *LZ4_streamDecode, const char *dictionary, int dictSize)
int	LZ4_decompress_safe_continue (LZ4_streamDecode_t *LZ4_streamDecode, const char *source, char *dest, int compressedSize, int maxOutputSize)
int	LZ4_decompress_fast_continue (LZ4_streamDecode_t *LZ4_streamDecode, const char *source, char *dest, int originalSize)
FORCE_INLINE int	LZ4_decompress_usingDict_generic (const char *source, char *dest, int compressedSize, int maxOutputSize, int safe, const char *dictStart, int dictSize)
int	LZ4_decompress_safe_usingDict (const char *source, char *dest, int compressedSize, int maxOutputSize, const char *dictStart, int dictSize)
int	LZ4_decompress_fast_usingDict (const char *source, char *dest, int originalSize, const char *dictStart, int dictSize)
int	LZ4_decompress_safe_forceExtDict (const char *source, char *dest, int compressedSize, int maxOutputSize, const char *dictStart, int dictSize)
int	LZ4_compress_limitedOutput (const char *source, char *dest, int inputSize, int maxOutputSize)
int	LZ4_compress (const char *source, char *dest, int inputSize)
int	LZ4_compress_limitedOutput_withState (void *state, const char *src, char *dst, int srcSize, int dstSize)
int	LZ4_compress_withState (void *state, const char *src, char *dst, int srcSize)
int	LZ4_compress_limitedOutput_continue (LZ4_stream_t *LZ4_stream, const char *src, char *dst, int srcSize, int maxDstSize)
int	LZ4_compress_continue (LZ4_stream_t *LZ4_stream, const char *source, char *dest, int inputSize)
int	LZ4_uncompress (const char *source, char *dest, int outputSize)
int	LZ4_uncompress_unknownOutputSize (const char *source, char *dest, int isize, int maxOutputSize)
int	LZ4_sizeofStreamState ()
static void	LZ4_init (LZ4_stream_t_internal *lz4ds, BYTE *base)
int	LZ4_resetStreamState (void *state, char *inputBuffer)
void *	LZ4_create (char *inputBuffer)
char *	LZ4_slideInputBuffer (void *LZ4_Data)
int	LZ4_decompress_safe_withPrefix64k (const char *source, char *dest, int compressedSize, int maxOutputSize)
int	LZ4_decompress_fast_withPrefix64k (const char *source, char *dest, int originalSize)
Variables
static const int	LZ4_minLength = (MFLIMIT+1)
static const int	LZ4_64Klimit = ((64 KB) + (MFLIMIT-1))
static const U32	LZ4_skipTrigger = 6
static const U64	prime5bytes = 889523592379ULL

---

Define Documentation

#define ACCELERATION_DEFAULT   1

Referenced by LZ4_compress_fast_continue(), and LZ4_compress_fast_extState().

#define ALLOCATOR	(	n,
		s		)	calloc(n,s)

Referenced by LZ4_compress_destSize(), LZ4_compress_fast(), LZ4_create(), LZ4_createStream(), and LZ4_createStreamDecode().

#define COPYLENGTH   8

Referenced by LZ4_decompress_generic().

#define expect	(	expr,
		value		)	(expr)

#define FORCE_INLINE   static

#define FREEMEM   free

Referenced by LZ4_compress_destSize(), LZ4_compress_fast(), LZ4_freeStream(), and LZ4_freeStreamDecode().

#define GB   *(1U<<30)

Referenced by LZ4_loadDict().

#define HASH_SIZE_U32   (1 << LZ4_HASHLOG)

Referenced by LZ4_renormDictT().

#define HASH_UNIT   sizeof(size_t)

Referenced by LZ4_loadDict().

#define HASHTABLESIZE   (1 << LZ4_MEMORY_USAGE)

#define HEAPMODE   0

#define KB   *(1 <<10)

Referenced by LZ4_compress_fast_continue(), LZ4_decompress_fast(), LZ4_decompress_fast_withPrefix64k(), LZ4_decompress_generic(), LZ4_decompress_safe_withPrefix64k(), LZ4_decompress_usingDict_generic(), LZ4_loadDict(), LZ4_renormDictT(), LZ4_saveDict(), and LZ4_slideInputBuffer().

#define LASTLITERALS   5

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_decompress_generic().

#define likely

(

expr

)

expect((expr) != 0, 1)

Referenced by LZ4_count(), and LZ4_decompress_generic().

#define LZ4_HASHLOG   (LZ4_MEMORY_USAGE-2)

Referenced by LZ4_hashSequence(), and LZ4_hashSequence64().

#define LZ4_STATIC_ASSERT

(

c

)

{ enum { LZ4_static_assert = 1/(int)(!!(c)) }; }

Referenced by LZ4_createStream().

#define MAX_DISTANCE   ((1 << MAXD_LOG) - 1)

Referenced by LZ4_compress_destSize_generic(), and LZ4_compress_generic().

#define MAXD_LOG   16

#define MB   *(1 <<20)

#define MEM_INIT   memset

Referenced by LZ4_init(), and LZ4_resetStream().

#define MFLIMIT   (COPYLENGTH+MINMATCH)

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_decompress_generic().

#define MINMATCH   4

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), LZ4_decompress_generic(), and LZ4_hashSequence().

#define ML_BITS   4

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_decompress_generic().

#define ML_MASK   ((1U<<ML_BITS)-1)

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_decompress_generic().

#define RUN_BITS   (8-ML_BITS)

#define RUN_MASK   ((1U<<RUN_BITS)-1)

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_decompress_generic().

#define STEPSIZE   sizeof(size_t)

Referenced by LZ4_count().

#define unlikely

(

expr

)

expect((expr) != 0, 0)

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_decompress_generic().

---

Typedef Documentation

typedef unsigned char BYTE

typedef signed int S32

typedef unsigned short U16

typedef unsigned int U32

typedef unsigned long long U64

---

Enumeration Type Documentation

enum dict_directive

Enumerator:

noDict
withPrefix64k
usingExtDict

enum dictIssue_directive

Enumerator:

noDictIssue
dictSmall

enum earlyEnd_directive

Enumerator:

full
partial

enum endCondition_directive

Enumerator:

endOnOutputSize
endOnInputSize

enum limitedOutput_directive

Enumerator:

notLimited
limitedOutput

enum tableType_t

Enumerator:

byPtr
byU32
byU16

---

Function Documentation

static unsigned LZ4_64bits

(

void

)

[static]

Referenced by LZ4_compress_destSize_extState(), LZ4_compress_fast_extState(), LZ4_compress_fast_force(), LZ4_count(), LZ4_hashSequenceT(), LZ4_NbCommonBytes(), and LZ4_read_ARCH().

int LZ4_compress	(	const char *	source,
		char *	dest,
		int	inputSize
	)

References LZ4_compress_default(), and LZ4_compressBound().

Referenced by bshuf_compress_lz4_block().

int LZ4_compress_continue	(	LZ4_stream_t *	LZ4_stream,
		const char *	source,
		char *	dest,
		int	inputSize
	)

References LZ4_compress_fast_continue(), and LZ4_compressBound().

int LZ4_compress_default	(	const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize
	)

References LZ4_compress_fast().

Referenced by LZ4_compress(), and LZ4_compress_limitedOutput().

int LZ4_compress_destSize	(	const char *	src,
		char *	dst,
		int *	srcSizePtr,
		int	targetDstSize
	)

References ALLOCATOR, FREEMEM, and LZ4_compress_destSize_extState().

static int LZ4_compress_destSize_extState	(	void *	state,
		const char *	src,
		char *	dst,
		int *	srcSizePtr,
		int	targetDstSize
	)			[static]

References byPtr, byU16, byU32, LZ4_64bits(), LZ4_64Klimit, LZ4_compress_destSize_generic(), LZ4_compress_fast_extState(), LZ4_compressBound(), and LZ4_resetStream().

Referenced by LZ4_compress_destSize().

static int LZ4_compress_destSize_generic	(	void *const	ctx,
		const char *const	src,
		char *const	dst,
		int *const	srcSizePtr,
		const int	targetDstSize,
		const tableType_t	tableType
	)			[static]

References byU16, int, LASTLITERALS, LZ4_64Klimit, LZ4_count(), LZ4_getPosition(), LZ4_getPositionOnHash(), LZ4_hashPosition(), LZ4_MAX_INPUT_SIZE, LZ4_minLength, LZ4_putPosition(), LZ4_putPositionOnHash(), LZ4_read32(), LZ4_wildCopy(), LZ4_writeLE16(), match(), MAX_DISTANCE, MFLIMIT, MINMATCH, ML_BITS, ML_MASK, RUN_MASK, and unlikely.

Referenced by LZ4_compress_destSize_extState().

int LZ4_compress_fast	(	const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize,
		int	acceleration
	)

References ALLOCATOR, FREEMEM, and LZ4_compress_fast_extState().

Referenced by LZ4_compress_default().

int LZ4_compress_fast_continue	(	LZ4_stream_t *	LZ4_stream,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize,
		int	acceleration
	)

References ACCELERATION_DEFAULT, byU32, LZ4_stream_t_internal::currentOffset, LZ4_stream_t_internal::dictionary, LZ4_stream_t_internal::dictSize, dictSmall, LZ4_stream_t_internal::initCheck, KB, limitedOutput, LZ4_compress_generic(), LZ4_renormDictT(), noDictIssue, usingExtDict, and withPrefix64k.

Referenced by LZ4_compress_continue(), and LZ4_compress_limitedOutput_continue().

int LZ4_compress_fast_extState	(	void *	state,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize,
		int	acceleration
	)

References ACCELERATION_DEFAULT, byPtr, byU16, byU32, limitedOutput, LZ4_64bits(), LZ4_64Klimit, LZ4_compress_generic(), LZ4_compressBound(), LZ4_resetStream(), noDict, noDictIssue, and notLimited.

Referenced by LZ4_compress_destSize_extState(), LZ4_compress_fast(), LZ4_compress_limitedOutput_withState(), and LZ4_compress_withState().

int LZ4_compress_fast_force	(	const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize,
		int	acceleration
	)

References byPtr, byU16, byU32, limitedOutput, LZ4_64bits(), LZ4_64Klimit, LZ4_compress_generic(), LZ4_resetStream(), noDict, and noDictIssue.

int LZ4_compress_forceExtDict	(	LZ4_stream_t *	LZ4_dict,
		const char *	source,
		char *	dest,
		int	inputSize
	)

References byU32, LZ4_stream_t_internal::currentOffset, LZ4_stream_t_internal::dictionary, LZ4_stream_t_internal::dictSize, LZ4_compress_generic(), LZ4_renormDictT(), noDictIssue, notLimited, and usingExtDict.

FORCE_INLINE int LZ4_compress_generic	(	void *const	ctx,
		const char *const	source,
		char *const	dest,
		const int	inputSize,
		const int	maxOutputSize,
		const limitedOutput_directive	outputLimited,
		const tableType_t	tableType,
		const dict_directive	dict,
		const dictIssue_directive	dictIssue,
		const U32	acceleration
	)

References byU16, LZ4_stream_t_internal::currentOffset, LZ4_stream_t_internal::dictionary, LZ4_stream_t_internal::dictSize, dictSmall, int, LASTLITERALS, LZ4_64Klimit, LZ4_count(), LZ4_getPosition(), LZ4_getPositionOnHash(), LZ4_hashPosition(), LZ4_MAX_INPUT_SIZE, LZ4_minLength, LZ4_putPosition(), LZ4_putPositionOnHash(), LZ4_read32(), LZ4_wildCopy(), LZ4_writeLE16(), match(), MAX_DISTANCE, MFLIMIT, MINMATCH, ML_BITS, ML_MASK, noDict, RUN_MASK, unlikely, usingExtDict, and withPrefix64k.

Referenced by LZ4_compress_fast_continue(), LZ4_compress_fast_extState(), LZ4_compress_fast_force(), and LZ4_compress_forceExtDict().

int LZ4_compress_limitedOutput	(	const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize
	)

References LZ4_compress_default().

int LZ4_compress_limitedOutput_continue	(	LZ4_stream_t *	LZ4_stream,
		const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize
	)

References LZ4_compress_fast_continue().

int LZ4_compress_limitedOutput_withState	(	void *	state,
		const char *	src,
		char *	dst,
		int	srcSize,
		int	dstSize
	)

References LZ4_compress_fast_extState().

int LZ4_compress_withState	(	void *	state,
		const char *	src,
		char *	dst,
		int	srcSize
	)

References LZ4_compress_fast_extState(), and LZ4_compressBound().

int LZ4_compressBound

(

int

isize

)

References LZ4_COMPRESSBOUND.

Referenced by bshuf_compress_lz4_block(), bshuf_compress_lz4_bound(), LZ4_compress(), LZ4_compress_continue(), LZ4_compress_destSize_extState(), LZ4_compress_fast_extState(), and LZ4_compress_withState().

static void LZ4_copy4	(	void *	dstPtr,
		const void *	srcPtr
	)			[static]

Referenced by LZ4_decompress_generic().

static void LZ4_copy8	(	void *	dstPtr,
		const void *	srcPtr
	)			[static]

Referenced by LZ4_decompress_generic(), and LZ4_wildCopy().

static unsigned LZ4_count	(	const BYTE *	pIn,
		const BYTE *	pMatch,
		const BYTE *	pInLimit
	)			[static]

References likely, LZ4_64bits(), LZ4_NbCommonBytes(), LZ4_read16(), LZ4_read32(), LZ4_read_ARCH(), and STEPSIZE.

Referenced by LZ4_compress_destSize_generic(), and LZ4_compress_generic().

void* LZ4_create

(

char *

inputBuffer

)

References ALLOCATOR, LZ4_init(), and LZ4_STREAMSIZE_U64.

LZ4_stream_t* LZ4_createStream

(

void

)

References ALLOCATOR, LZ4_resetStream(), LZ4_STATIC_ASSERT, LZ4_STREAMSIZE, and LZ4_STREAMSIZE_U64.

LZ4_streamDecode_t* LZ4_createStreamDecode

(

void

)

References ALLOCATOR.

int LZ4_decompress_fast	(	const char *	source,
		char *	dest,
		int	originalSize
	)

References endOnOutputSize, full, KB, LZ4_decompress_generic(), and withPrefix64k.

Referenced by bshuf_decompress_lz4_block(), and LZ4_uncompress().

int LZ4_decompress_fast_continue	(	LZ4_streamDecode_t *	LZ4_streamDecode,
		const char *	source,
		char *	dest,
		int	originalSize
	)

References endOnOutputSize, LZ4_streamDecode_t_internal::extDictSize, LZ4_streamDecode_t_internal::externalDict, full, LZ4_decompress_generic(), LZ4_streamDecode_t_internal::prefixEnd, LZ4_streamDecode_t_internal::prefixSize, and usingExtDict.

int LZ4_decompress_fast_usingDict	(	const char *	source,
		char *	dest,
		int	originalSize,
		const char *	dictStart,
		int	dictSize
	)

References LZ4_decompress_usingDict_generic().

int LZ4_decompress_fast_withPrefix64k	(	const char *	source,
		char *	dest,
		int	originalSize
	)

References endOnOutputSize, full, KB, LZ4_decompress_generic(), and withPrefix64k.

FORCE_INLINE int LZ4_decompress_generic	(	const char *const	source,
		char *const	dest,
		int	inputSize,
		int	outputSize,
		int	endOnInput,
		int	partialDecoding,
		int	targetOutputSize,
		int	dict,
		const BYTE *const	lowPrefix,
		const BYTE *const	dictStart,
		const size_t	dictSize
	)

References COPYLENGTH, endOnInputSize, KB, LASTLITERALS, likely, LZ4_copy4(), LZ4_copy8(), LZ4_readLE16(), LZ4_wildCopy(), match(), MFLIMIT, MINMATCH, ML_BITS, ML_MASK, RUN_MASK, unlikely, and usingExtDict.

Referenced by LZ4_decompress_fast(), LZ4_decompress_fast_continue(), LZ4_decompress_fast_withPrefix64k(), LZ4_decompress_safe(), LZ4_decompress_safe_continue(), LZ4_decompress_safe_forceExtDict(), LZ4_decompress_safe_partial(), LZ4_decompress_safe_withPrefix64k(), and LZ4_decompress_usingDict_generic().

int LZ4_decompress_safe	(	const char *	source,
		char *	dest,
		int	compressedSize,
		int	maxDecompressedSize
	)

References endOnInputSize, full, LZ4_decompress_generic(), and noDict.

Referenced by bshuf_decompress_lz4_block(), and LZ4_uncompress_unknownOutputSize().

int LZ4_decompress_safe_continue	(	LZ4_streamDecode_t *	LZ4_streamDecode,
		const char *	source,
		char *	dest,
		int	compressedSize,
		int	maxOutputSize
	)

References endOnInputSize, LZ4_streamDecode_t_internal::extDictSize, LZ4_streamDecode_t_internal::externalDict, full, LZ4_decompress_generic(), LZ4_streamDecode_t_internal::prefixEnd, LZ4_streamDecode_t_internal::prefixSize, and usingExtDict.

int LZ4_decompress_safe_forceExtDict	(	const char *	source,
		char *	dest,
		int	compressedSize,
		int	maxOutputSize,
		const char *	dictStart,
		int	dictSize
	)

References endOnInputSize, full, LZ4_decompress_generic(), and usingExtDict.

int LZ4_decompress_safe_partial	(	const char *	source,
		char *	dest,
		int	compressedSize,
		int	targetOutputSize,
		int	maxDecompressedSize
	)

References endOnInputSize, LZ4_decompress_generic(), noDict, and partial.

int LZ4_decompress_safe_usingDict	(	const char *	source,
		char *	dest,
		int	compressedSize,
		int	maxOutputSize,
		const char *	dictStart,
		int	dictSize
	)

References LZ4_decompress_usingDict_generic().

int LZ4_decompress_safe_withPrefix64k	(	const char *	source,
		char *	dest,
		int	compressedSize,
		int	maxOutputSize
	)

References endOnInputSize, full, KB, LZ4_decompress_generic(), and withPrefix64k.

FORCE_INLINE int LZ4_decompress_usingDict_generic	(	const char *	source,
		char *	dest,
		int	compressedSize,
		int	maxOutputSize,
		int	safe,
		const char *	dictStart,
		int	dictSize
	)

References full, KB, LZ4_decompress_generic(), noDict, usingExtDict, and withPrefix64k.

Referenced by LZ4_decompress_fast_usingDict(), and LZ4_decompress_safe_usingDict().

int LZ4_freeStream

(

LZ4_stream_t *

LZ4_stream

)

References FREEMEM.

int LZ4_freeStreamDecode

(

LZ4_streamDecode_t *

LZ4_stream

)

References FREEMEM.

static const BYTE* LZ4_getPosition	(	const BYTE *	p,
		void *	tableBase,
		tableType_t	tableType,
		const BYTE *	srcBase
	)			[static]

References LZ4_getPositionOnHash(), and LZ4_hashPosition().

Referenced by LZ4_compress_destSize_generic(), and LZ4_compress_generic().

static const BYTE* LZ4_getPositionOnHash	(	U32	h,
		void *	tableBase,
		tableType_t	tableType,
		const BYTE *	srcBase
	)			[static]

References byPtr, and byU32.

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_getPosition().

static U32 LZ4_hashPosition	(	const void *	p,
		tableType_t	tableType
	)			[static]

References LZ4_hashSequenceT(), and LZ4_read_ARCH().

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), LZ4_getPosition(), and LZ4_putPosition().

static U32 LZ4_hashSequence	(	U32	sequence,
		tableType_t const	tableType
	)			[static]

References byU16, LZ4_HASHLOG, and MINMATCH.

Referenced by LZ4_hashSequenceT().

static U32 LZ4_hashSequence64	(	size_t	sequence,
		tableType_t const	tableType
	)			[static]

References byU16, and LZ4_HASHLOG.

Referenced by LZ4_hashSequenceT().

static U32 LZ4_hashSequenceT	(	size_t	sequence,
		tableType_t const	tableType
	)			[static]

References LZ4_64bits(), LZ4_hashSequence(), and LZ4_hashSequence64().

Referenced by LZ4_hashPosition().

static void LZ4_init	(	LZ4_stream_t_internal *	lz4ds,
		BYTE *	base
	)			[static]

References LZ4_stream_t_internal::bufferStart, LZ4_STREAMSIZE, and MEM_INIT.

Referenced by LZ4_create(), and LZ4_resetStreamState().

static unsigned LZ4_isLittleEndian

(

void

)

[static]

Referenced by LZ4_NbCommonBytes(), LZ4_readLE16(), and LZ4_writeLE16().

int LZ4_loadDict	(	LZ4_stream_t *	LZ4_dict,
		const char *	dictionary,
		int	dictSize
	)

References byU32, LZ4_stream_t_internal::currentOffset, LZ4_stream_t_internal::dictionary, LZ4_stream_t_internal::dictSize, GB, HASH_UNIT, LZ4_stream_t_internal::hashTable, LZ4_stream_t_internal::initCheck, KB, LZ4_putPosition(), and LZ4_resetStream().

static unsigned LZ4_NbCommonBytes

(

register size_t

val

)

[static]

References LZ4_64bits(), and LZ4_isLittleEndian().

Referenced by LZ4_count().

static void LZ4_putPosition	(	const BYTE *	p,
		void *	tableBase,
		tableType_t	tableType,
		const BYTE *	srcBase
	)			[static]

References LZ4_hashPosition(), and LZ4_putPositionOnHash().

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_loadDict().

static void LZ4_putPositionOnHash	(	const BYTE *	p,
		U32	h,
		void *	tableBase,
		tableType_t const	tableType,
		const BYTE *	srcBase
	)			[static]

References byPtr, byU16, and byU32.

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_putPosition().

static U16 LZ4_read16

(

const void *

memPtr

)

[static]

Referenced by LZ4_count(), and LZ4_readLE16().

static U32 LZ4_read32

(

const void *

memPtr

)

[static]

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), LZ4_count(), and LZ4_read_ARCH().

static U64 LZ4_read64

(

const void *

memPtr

)

[static]

Referenced by LZ4_read_ARCH().

static size_t LZ4_read_ARCH

(

const void *

p

)

[static]

References LZ4_64bits(), LZ4_read32(), and LZ4_read64().

Referenced by LZ4_count(), and LZ4_hashPosition().

static U16 LZ4_readLE16

(

const void *

memPtr

)

[static]

References LZ4_isLittleEndian(), and LZ4_read16().

Referenced by LZ4_decompress_generic().

static void LZ4_renormDictT	(	LZ4_stream_t_internal *	LZ4_dict,
		const BYTE *	src
	)			[static]

References LZ4_stream_t_internal::currentOffset, LZ4_stream_t_internal::dictionary, LZ4_stream_t_internal::dictSize, HASH_SIZE_U32, LZ4_stream_t_internal::hashTable, and KB.

Referenced by LZ4_compress_fast_continue(), and LZ4_compress_forceExtDict().

void LZ4_resetStream

(

LZ4_stream_t *

LZ4_stream

)

References MEM_INIT.

Referenced by LZ4_compress_destSize_extState(), LZ4_compress_fast_extState(), LZ4_compress_fast_force(), LZ4_createStream(), and LZ4_loadDict().

int LZ4_resetStreamState	(	void *	state,
		char *	inputBuffer
	)

References LZ4_init().

int LZ4_saveDict	(	LZ4_stream_t *	LZ4_dict,
		char *	safeBuffer,
		int	dictSize
	)

References LZ4_stream_t_internal::dictionary, LZ4_stream_t_internal::dictSize, and KB.

Referenced by LZ4_slideInputBuffer().

int LZ4_setStreamDecode	(	LZ4_streamDecode_t *	LZ4_streamDecode,
		const char *	dictionary,
		int	dictSize
	)

References LZ4_streamDecode_t_internal::extDictSize, LZ4_streamDecode_t_internal::externalDict, LZ4_streamDecode_t_internal::prefixEnd, and LZ4_streamDecode_t_internal::prefixSize.

int LZ4_sizeofState

(

void

)

References LZ4_STREAMSIZE.

int LZ4_sizeofStreamState

(

)

References LZ4_STREAMSIZE.

char* LZ4_slideInputBuffer

(

void *

LZ4_Data

)

References LZ4_stream_t_internal::bufferStart, KB, and LZ4_saveDict().

int LZ4_uncompress	(	const char *	source,
		char *	dest,
		int	outputSize
	)

References LZ4_decompress_fast().

int LZ4_uncompress_unknownOutputSize	(	const char *	source,
		char *	dest,
		int	isize,
		int	maxOutputSize
	)

References LZ4_decompress_safe().

int LZ4_versionNumber

(

void

)

References LZ4_VERSION_NUMBER.

static void LZ4_wildCopy	(	void *	dstPtr,
		const void *	srcPtr,
		void *	dstEnd
	)			[static]

References LZ4_copy8().

Referenced by LZ4_compress_destSize_generic(), LZ4_compress_generic(), and LZ4_decompress_generic().

static void LZ4_writeLE16	(	void *	memPtr,
		U16	value
	)			[static]

References LZ4_isLittleEndian().

Referenced by LZ4_compress_destSize_generic(), and LZ4_compress_generic().

---

Variable Documentation

const int LZ4_64Klimit = ((64 KB) + (MFLIMIT-1)) [static]

Referenced by LZ4_compress_destSize_extState(), LZ4_compress_destSize_generic(), LZ4_compress_fast_extState(), LZ4_compress_fast_force(), and LZ4_compress_generic().

const int LZ4_minLength = (MFLIMIT+1) [static]

Referenced by LZ4_compress_destSize_generic(), and LZ4_compress_generic().

const U32 LZ4_skipTrigger = 6 [static]

const U64 prime5bytes = 889523592379ULL [static]