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

Go to the source code of this file.

Data Structures
struct	LZ4_stream_t_internal
struct	LZ4_streamDecode_t_internal

Macros
#define	HEAPMODE 0
#define	ACCELERATION_DEFAULT 1
#define	FORCE_INLINE static
#define	expect(expr, value)
#define	likely(expr)
#define	unlikely(expr)
#define	ALLOCATOR(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)
#define	LZ4_HASHLOG (LZ4_MEMORY_USAGE-2)
#define	HASHTABLESIZE (1 << LZ4_MEMORY_USAGE)
#define	HASH_SIZE_U32 (1 << LZ4_HASHLOG) /* required as macro for static allocation */
#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)
static 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)
static 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)
static 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 = ( ( 8 + 4 )+1)
static const int	LZ4_64Klimit = ((64 *(1 <<10) ) + ( ( 8 + 4 )-1))
static const U32	LZ4_skipTrigger = 6
static const U64	prime5bytes = 889523592379ULL

Macro Definition Documentation

◆ ACCELERATION_DEFAULT

#define ACCELERATION_DEFAULT 1

Definition at line 50 of file lz4.c.

Referenced by LZ4_compress_fast_continue(), and LZ4_compress_fast_extState().

◆ ALLOCATOR

#define ALLOCATOR	(		n,
			s )

Value:

calloc(n,s)

Definition at line 106 of file lz4.c.

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

◆ COPYLENGTH

#define COPYLENGTH 8

Definition at line 221 of file lz4.c.

Referenced by LZ4_decompress_generic().

◆ expect

#define expect	(		expr,
			value )

Value:

(expr)

Definition at line 95 of file lz4.c.

◆ FORCE_INLINE

#define FORCE_INLINE static

Definition at line 87 of file lz4.c.

Referenced by LZ4_compress_generic(), LZ4_decompress_generic(), and LZ4_decompress_usingDict_generic().

◆ FREEMEM

#define FREEMEM free

Definition at line 107 of file lz4.c.

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

◆ GB

#define GB *(1U<<30)

Definition at line 228 of file lz4.c.

Referenced by LZ4_loadDict().

◆ HASH_SIZE_U32

#define HASH_SIZE_U32 (1 << LZ4_HASHLOG) /* required as macro for static allocation */

Definition at line 340 of file lz4.c.

Referenced by LZ4_renormDictT().

◆ HASH_UNIT

#define HASH_UNIT sizeof(size_t)

Definition at line 955 of file lz4.c.

Referenced by LZ4_loadDict().

◆ HASHTABLESIZE

#define HASHTABLESIZE (1 << LZ4_MEMORY_USAGE)

Definition at line 339 of file lz4.c.

◆ HEAPMODE

#define HEAPMODE 0

Definition at line 44 of file lz4.c.

◆ KB

#define KB *(1 <<10)

Definition at line 226 of file lz4.c.

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().

◆ LASTLITERALS

#define LASTLITERALS 5

Definition at line 222 of file lz4.c.

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

◆ likely

#define likely ( expr )

Value:

expect((expr) != 0, 1)

expect

#define expect(expr, value)

Definition lz4.c:95

Definition at line 98 of file lz4.c.

Referenced by LZ4_count(), and LZ4_decompress_generic().

◆ LZ4_HASHLOG

#define LZ4_HASHLOG (LZ4_MEMORY_USAGE-2)

Definition at line 338 of file lz4.c.

Referenced by LZ4_hashSequence(), and LZ4_hashSequence64().

◆ LZ4_STATIC_ASSERT

#define LZ4_STATIC_ASSERT ( c )

Value:

{ enum { LZ4_static_assert = 1/(int)(!!(c)) }; } /* use only *after* variable declarations */

Definition at line 242 of file lz4.c.

Referenced by LZ4_createStream().

◆ MAX_DISTANCE

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

Definition at line 231 of file lz4.c.

Referenced by LZ4_compress_destSize_generic(), and LZ4_compress_generic().

◆ MAXD_LOG

#define MAXD_LOG 16

Definition at line 230 of file lz4.c.

◆ MB

#define MB *(1 <<20)

Definition at line 227 of file lz4.c.

◆ MEM_INIT

#define MEM_INIT memset

Definition at line 109 of file lz4.c.

Referenced by LZ4_init(), and LZ4_resetStream().

◆ MFLIMIT

#define MFLIMIT (COPYLENGTH+MINMATCH)

Definition at line 223 of file lz4.c.

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

◆ MINMATCH

#define MINMATCH 4

Definition at line 219 of file lz4.c.

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

◆ ML_BITS

#define ML_BITS 4

Definition at line 233 of file lz4.c.

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

◆ ML_MASK

#define ML_MASK ((1U<<ML_BITS)-1)

Definition at line 234 of file lz4.c.

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

◆ RUN_BITS

#define RUN_BITS (8-ML_BITS)

Definition at line 235 of file lz4.c.

◆ RUN_MASK

#define RUN_MASK ((1U<<RUN_BITS)-1)

Definition at line 236 of file lz4.c.

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

◆ STEPSIZE

#define STEPSIZE sizeof(size_t)

Definition at line 134 of file lz4.c.

Referenced by LZ4_count().

◆ unlikely

#define unlikely ( expr )

Value:

expect((expr) != 0, 0)

Definition at line 99 of file lz4.c.

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

Typedef Documentation

◆ BYTE

typedef unsigned char BYTE

Definition at line 123 of file lz4.c.

◆ S32

typedef signed int S32

Definition at line 126 of file lz4.c.

◆ U16

typedef unsigned short U16

Definition at line 124 of file lz4.c.

◆ U32

typedef unsigned int U32

Definition at line 125 of file lz4.c.

◆ U64

typedef unsigned long long U64

Definition at line 127 of file lz4.c.

Enumeration Type Documentation

◆ dict_directive

enum dict_directive

Enumerator
noDict
withPrefix64k
usingExtDict

Definition at line 361 of file lz4.c.

◆ dictIssue_directive

enum dictIssue_directive

Enumerator
noDictIssue
dictSmall

Definition at line 362 of file lz4.c.

◆ earlyEnd_directive

enum earlyEnd_directive

Enumerator
full
partial

Definition at line 365 of file lz4.c.

◆ endCondition_directive

enum endCondition_directive

Enumerator
endOnOutputSize
endOnInputSize

Definition at line 364 of file lz4.c.

◆ limitedOutput_directive

enum limitedOutput_directive

Enumerator
notLimited
limitedOutput

Definition at line 358 of file lz4.c.

◆ tableType_t

enum tableType_t

Enumerator
byPtr
byU32
byU16

Definition at line 359 of file lz4.c.

Function Documentation

◆ LZ4_64bits()

unsigned LZ4_64bits ( void )

static

Definition at line 136 of file lz4.c.

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

◆ LZ4_compress()

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

Definition at line 1456 of file lz4.c.

References LZ4_compress_default(), and LZ4_compressBound().

◆ LZ4_compress_continue()

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

Definition at line 1460 of file lz4.c.

References LZ4_compress_fast_continue(), and LZ4_compressBound().

◆ LZ4_compress_default()

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

Definition at line 697 of file lz4.c.

References LZ4_compress_fast().

Referenced by LZ4_compress(), and LZ4_compress_limitedOutput().

◆ LZ4_compress_destSize()

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

Definition at line 912 of file lz4.c.

References ALLOCATOR, FREEMEM, and LZ4_compress_destSize_extState().

◆ LZ4_compress_destSize_extState()

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

static

Definition at line 894 of file lz4.c.

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().

◆ LZ4_compress_destSize_generic()

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

Definition at line 722 of file lz4.c.

References byU16, LASTLITERALS, LZ4_64Klimit, LZ4_count(), LZ4_getPosition(), LZ4_getPositionOnHash(), LZ4_hashPosition(), LZ4_MAX_INPUT_SIZE, LZ4_minLength, LZ4_putPosition(), LZ4_putPositionOnHash(), LZ4_read32(), LZ4_skipTrigger, LZ4_wildCopy(), LZ4_writeLE16(), MAX_DISTANCE, MFLIMIT, MINMATCH, ML_BITS, ML_MASK, RUN_MASK, and unlikely.

Referenced by LZ4_compress_destSize_extState().

◆ LZ4_compress_fast()

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

Definition at line 679 of file lz4.c.

References ALLOCATOR, FREEMEM, and LZ4_compress_fast_extState().

Referenced by LZ4_compress_default().

◆ LZ4_compress_fast_continue()

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

Definition at line 1011 of file lz4.c.

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().

◆ LZ4_compress_fast_extState()

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

Definition at line 657 of file lz4.c.

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(), LZ4_compress_withState(), and tw_snapshot_delta().

◆ LZ4_compress_fast_force()

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

Definition at line 705 of file lz4.c.

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

◆ LZ4_compress_forceExtDict()

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

Definition at line 1063 of file lz4.c.

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.

◆ LZ4_compress_generic()

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 )

static

◆ LZ4_compress_limitedOutput()

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

Definition at line 1455 of file lz4.c.

References LZ4_compress_default().

◆ LZ4_compress_limitedOutput_continue()

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

Definition at line 1459 of file lz4.c.

References LZ4_compress_fast_continue().

◆ LZ4_compress_limitedOutput_withState()

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

Definition at line 1457 of file lz4.c.

References LZ4_compress_fast_extState().

◆ LZ4_compress_withState()

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

Definition at line 1458 of file lz4.c.

References LZ4_compress_fast_extState(), and LZ4_compressBound().

◆ LZ4_compressBound()

int LZ4_compressBound ( int isize )

Definition at line 372 of file lz4.c.

References LZ4_COMPRESSBOUND.

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

◆ LZ4_copy4()

void LZ4_copy4	(	void *	dstPtr,
		const void *	srcPtr )

static

Definition at line 202 of file lz4.c.

Referenced by LZ4_decompress_generic().

◆ LZ4_copy8()

void LZ4_copy8	(	void *	dstPtr,
		const void *	srcPtr )

static

Definition at line 204 of file lz4.c.

Referenced by LZ4_decompress_generic(), and LZ4_wildCopy().

◆ LZ4_count()

unsigned LZ4_count	(	const BYTE *	pIn,
		const BYTE *	pMatch,
		const BYTE *	pInLimit )

static

Definition at line 315 of file lz4.c.

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().

◆ LZ4_create()

void * LZ4_create ( char * inputBuffer )

Definition at line 1489 of file lz4.c.

References ALLOCATOR, LZ4_init(), and LZ4_STREAMSIZE_U64.

◆ LZ4_createStream()

LZ4_stream_t * LZ4_createStream ( void )

Definition at line 935 of file lz4.c.

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

◆ LZ4_createStreamDecode()

LZ4_streamDecode_t * LZ4_createStreamDecode ( void )

Definition at line 1319 of file lz4.c.

References ALLOCATOR.

◆ LZ4_decompress_fast()

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

Definition at line 1298 of file lz4.c.

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

Referenced by LZ4_uncompress(), and tw_snapshot_restore().

◆ LZ4_decompress_fast_continue()

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

Definition at line 1384 of file lz4.c.

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.

◆ LZ4_decompress_fast_usingDict()

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

Definition at line 1439 of file lz4.c.

References LZ4_decompress_usingDict_generic().

◆ LZ4_decompress_fast_withPrefix64k()

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

Definition at line 1510 of file lz4.c.

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

◆ LZ4_decompress_generic()

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 )

static

Definition at line 1110 of file lz4.c.

References COPYLENGTH, endOnInputSize, FORCE_INLINE, KB, LASTLITERALS, likely, LZ4_copy4(), LZ4_copy8(), LZ4_readLE16(), LZ4_wildCopy(), 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().

◆ LZ4_decompress_safe()

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

Definition at line 1288 of file lz4.c.

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

Referenced by LZ4_uncompress_unknownOutputSize().

◆ LZ4_decompress_safe_continue()

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

Definition at line 1355 of file lz4.c.

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.

◆ LZ4_decompress_safe_forceExtDict()

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

Definition at line 1445 of file lz4.c.

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

◆ LZ4_decompress_safe_partial()

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

Definition at line 1293 of file lz4.c.

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

◆ LZ4_decompress_safe_usingDict()

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

Definition at line 1434 of file lz4.c.

References LZ4_decompress_usingDict_generic().

◆ LZ4_decompress_safe_withPrefix64k()

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

Definition at line 1505 of file lz4.c.

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

◆ LZ4_decompress_usingDict_generic()

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