Data Structures
struct	LZ4_stream_t

struct	LZ4_streamDecode_t

Macros
#define	LZ4_VERSION_MAJOR 1 /* for breaking interface changes */

#define	LZ4_VERSION_MINOR 7 /* for new (non-breaking) interface capabilities */

#define	LZ4_VERSION_RELEASE 0 /* for tweaks, bug-fixes, or development */

#define	LZ4_VERSION_NUMBER (LZ4_VERSION_MAJOR 100100 + LZ4_VERSION_MINOR *100 + LZ4_VERSION_RELEASE)

#define	LZ4_MEMORY_USAGE 14

#define	LZ4_MAX_INPUT_SIZE 0x7E000000 /* 2 113 929 216 bytes */

#define	LZ4_COMPRESSBOUND(isize) ((unsigned)(isize) > (unsigned)LZ4_MAX_INPUT_SIZE ? 0 : (isize) + ((isize)/255) + 16)

#define	LZ4_STREAMSIZE_U64 ((1 << (LZ4_MEMORY_USAGE-3)) + 4)

#define	LZ4_STREAMSIZE (LZ4_STREAMSIZE_U64 * sizeof(long long))

#define	LZ4_STREAMDECODESIZE_U64 4

#define	LZ4_STREAMDECODESIZE (LZ4_STREAMDECODESIZE_U64 * sizeof(unsigned long long))

#define	LZ4_DEPRECATE_WARNING_DEFBLOCK

#define	LZ4_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)

#define	LZ4_DEPRECATED(message)

Functions
int	LZ4_versionNumber (void)

int	LZ4_compress_default (const char source, char dest, int sourceSize, int maxDestSize)

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

int	LZ4_compressBound (int inputSize)

int	LZ4_compress_fast (const char source, char dest, int sourceSize, int maxDestSize, int acceleration)

int	LZ4_sizeofState (void)

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

int	LZ4_compress_destSize (const char source, char dest, int *sourceSizePtr, int targetDestSize)

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

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

void	LZ4_resetStream (LZ4_stream_t *streamPtr)

LZ4_stream_t *	LZ4_createStream (void)

int	LZ4_freeStream (LZ4_stream_t *streamPtr)

int	LZ4_loadDict (LZ4_stream_t streamPtr, const char dictionary, int dictSize)

int	LZ4_compress_fast_continue (LZ4_stream_t streamPtr, const char src, char *dst, int srcSize, int maxDstSize, int acceleration)

int	LZ4_saveDict (LZ4_stream_t streamPtr, char safeBuffer, int dictSize)

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 maxDecompressedSize)

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

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

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

int	LZ4_compress (const char source, char dest, int sourceSize)

int	LZ4_compress_limitedOutput (const char source, char dest, int sourceSize, int maxOutputSize)

int	LZ4_compress_withState (void state, const char source, char *dest, int inputSize)

int	LZ4_compress_limitedOutput_withState (void state, const char source, char *dest, int inputSize, int maxOutputSize)

int	LZ4_compress_continue (LZ4_stream_t LZ4_streamPtr, const char source, char *dest, int inputSize)

int	LZ4_compress_limitedOutput_continue (LZ4_stream_t LZ4_streamPtr, const char source, char *dest, int inputSize, int maxOutputSize)

void *	LZ4_create (char *inputBuffer)

int	LZ4_sizeofStreamState (void)

int	LZ4_resetStreamState (void state, char inputBuffer)

char *	LZ4_slideInputBuffer (void *state)

int	LZ4_decompress_safe_withPrefix64k (const char src, char dst, int compressedSize, int maxDstSize)

int	LZ4_decompress_fast_withPrefix64k (const char src, char dst, int originalSize)

Macro Definition Documentation

#define LZ4_COMPRESSBOUND ( isize ) ((unsigned)(isize) > (unsigned)LZ4_MAX_INPUT_SIZE ? 0 : (isize) + ((isize)/255) + 16)

Definition at line 106 of file lz4.h.

Referenced by LZ4_compressBound().

#define LZ4_DEPRECATE_WARNING_DEFBLOCK

Definition at line 314 of file lz4.h.

#define LZ4_DEPRECATED ( message )

Definition at line 324 of file lz4.h.

#define LZ4_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)

Definition at line 315 of file lz4.h.

#define LZ4_MAX_INPUT_SIZE 0x7E000000 /* 2 113 929 216 bytes */

Definition at line 105 of file lz4.h.

Referenced by LZ4_compress_destSize_generic(), and LZ4_compress_generic().

#define LZ4_MEMORY_USAGE 14

Definition at line 66 of file lz4.h.

#define LZ4_STREAMDECODESIZE (LZ4_STREAMDECODESIZE_U64 * sizeof(unsigned long long))

Definition at line 248 of file lz4.h.

#define LZ4_STREAMDECODESIZE_U64 4

Definition at line 247 of file lz4.h.

#define LZ4_STREAMSIZE (LZ4_STREAMSIZE_U64 * sizeof(long long))

Definition at line 188 of file lz4.h.

Referenced by LZ4_createStream(), LZ4_init(), LZ4_sizeofState(), and LZ4_sizeofStreamState().

#define LZ4_STREAMSIZE_U64 ((1 << (LZ4_MEMORY_USAGE-3)) + 4)

Definition at line 187 of file lz4.h.

Referenced by LZ4_create(), and LZ4_createStream().

#define LZ4_VERSION_MAJOR 1 /* for breaking interface changes */

Definition at line 50 of file lz4.h.

#define LZ4_VERSION_MINOR 7 /* for new (non-breaking) interface capabilities */

Definition at line 51 of file lz4.h.

#define LZ4_VERSION_NUMBER (LZ4_VERSION_MAJOR *100*100 + LZ4_VERSION_MINOR *100 + LZ4_VERSION_RELEASE)

Definition at line 53 of file lz4.h.

Referenced by LZ4_versionNumber().

#define LZ4_VERSION_RELEASE 0 /* for tweaks, bug-fixes, or development */

Definition at line 52 of file lz4.h.

Function Documentation

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

Definition at line 1456 of file lz4.c.

References LZ4_compress_default(), and LZ4_compressBound().

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int LZ4_compress_continue	(	LZ4_stream_t *	LZ4_streamPtr,
		const char *	source,
		char *	dest,
		int	inputSize
	)

Definition at line 1460 of file lz4.c.

References LZ4_compress_fast_continue(), and LZ4_compressBound().

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int LZ4_compress_default	(	const char *	source,
		char *	dest,
		int	sourceSize,
		int	maxDestSize
	)

Definition at line 697 of file lz4.c.

References LZ4_compress_fast().

Referenced by LZ4_compress(), and LZ4_compress_limitedOutput().

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int LZ4_compress_destSize	(	const char *	source,
		char *	dest,
		int *	sourceSizePtr,
		int	targetDestSize
	)

Definition at line 912 of file lz4.c.

References ALLOCATOR, FREEMEM, and LZ4_compress_destSize_extState().

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int LZ4_compress_fast	(	const char *	source,
		char *	dest,
		int	sourceSize,
		int	maxDestSize,
		int	acceleration
	)

Definition at line 679 of file lz4.c.

References ALLOCATOR, FREEMEM, and LZ4_compress_fast_extState().

Referenced by LZ4_compress_default().

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int LZ4_compress_fast_continue	(	LZ4_stream_t *	streamPtr,
		const char *	src,
		char *	dst,
		int	srcSize,
		int	maxDstSize,
		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().

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int LZ4_compress_fast_extState	(	void *	state,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxDestSize,
		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().

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

Definition at line 1455 of file lz4.c.

References LZ4_compress_default().

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int LZ4_compress_limitedOutput_continue	(	LZ4_stream_t *	LZ4_streamPtr,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize
	)

Definition at line 1459 of file lz4.c.

References LZ4_compress_fast_continue().

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int LZ4_compress_limitedOutput_withState	(	void *	state,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize
	)

Definition at line 1457 of file lz4.c.

References LZ4_compress_fast_extState().

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int LZ4_compress_withState	(	void *	state,
		const char *	source,
		char *	dest,
		int	inputSize
	)

Definition at line 1458 of file lz4.c.

References LZ4_compress_fast_extState(), and LZ4_compressBound().

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int LZ4_compressBound ( int inputSize )

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().

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void* LZ4_create ( char * inputBuffer )

Definition at line 1489 of file lz4.c.

References ALLOCATOR, LZ4_init(), and LZ4_STREAMSIZE_U64.

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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.

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LZ4_streamDecode_t* LZ4_createStreamDecode ( void )

Definition at line 1319 of file lz4.c.

References ALLOCATOR.

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().

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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.

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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().

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int LZ4_decompress_fast_withPrefix64k	(	const char *	src,
		char *	dst,
		int	originalSize
	)

Definition at line 1510 of file lz4.c.

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

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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().

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

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.

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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.

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