ROSS
Data Structures | Macros | Functions
lz4.h File Reference

Go to the source code of this file.

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 *100*100 + 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)
#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

◆ LZ4_COMPRESSBOUND

#define LZ4_COMPRESSBOUND ( isize)
Value:
((unsigned)(isize) > (unsigned)LZ4_MAX_INPUT_SIZE ? 0 : (isize) + ((isize)/255) + 16)
LZ4_MAX_INPUT_SIZE
#define LZ4_MAX_INPUT_SIZE
Definition lz4.h:105

Definition at line 106 of file lz4.h.

Referenced by LZ4_compressBound().

◆ LZ4_DEPRECATE_WARNING_DEFBLOCK

#define LZ4_DEPRECATE_WARNING_DEFBLOCK

Definition at line 314 of file lz4.h.

◆ LZ4_DEPRECATED

#define LZ4_DEPRECATED ( message)

Definition at line 324 of file lz4.h.

◆ LZ4_GCC_VERSION

#define LZ4_GCC_VERSION   (__GNUC__ * 100 + __GNUC_MINOR__)

Definition at line 315 of file lz4.h.

◆ LZ4_MAX_INPUT_SIZE

#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().

◆ LZ4_MEMORY_USAGE

#define LZ4_MEMORY_USAGE   14

Definition at line 66 of file lz4.h.

◆ LZ4_STREAMDECODESIZE

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

Definition at line 248 of file lz4.h.

◆ LZ4_STREAMDECODESIZE_U64

#define LZ4_STREAMDECODESIZE_U64   4

Definition at line 247 of file lz4.h.

◆ LZ4_STREAMSIZE

#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().

◆ LZ4_STREAMSIZE_U64

#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().

◆ LZ4_VERSION_MAJOR

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

Definition at line 50 of file lz4.h.

◆ LZ4_VERSION_MINOR

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

Definition at line 51 of file lz4.h.

◆ LZ4_VERSION_NUMBER

#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().

◆ LZ4_VERSION_RELEASE

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

Definition at line 52 of file lz4.h.

Function Documentation

◆ LZ4_compress()

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().

◆ LZ4_compress_continue()

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().

◆ LZ4_compress_default()

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().

◆ LZ4_compress_destSize()

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().

◆ LZ4_compress_fast()

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().

◆ LZ4_compress_fast_continue()

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.

◆ LZ4_compress_fast_extState()

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 tw_snapshot_delta().

◆ LZ4_compress_limitedOutput()

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().

◆ LZ4_compress_limitedOutput_continue()

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().

◆ LZ4_compress_limitedOutput_withState()

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().

◆ LZ4_compress_withState()

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().

◆ LZ4_compressBound()

int LZ4_compressBound ( int inputSize)

Definition at line 372 of file lz4.c.

References LZ4_COMPRESSBOUND.

Referenced by tw_delta_alloc().

◆ 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 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 * src,
char * dst,
int originalSize )

Definition at line 1510 of file lz4.c.

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

◆ 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.

◆ LZ4_decompress_safe_continue()

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.

◆ 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 maxDecompressedSize,
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 * src,
char * dst,
int compressedSize,
int maxDstSize )

Definition at line 1505 of file lz4.c.

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

◆ LZ4_freeStream()

int LZ4_freeStream ( LZ4_stream_t * streamPtr)

Definition at line 948 of file lz4.c.

References FREEMEM.

◆ LZ4_freeStreamDecode()

int LZ4_freeStreamDecode ( LZ4_streamDecode_t * LZ4_stream)

Definition at line 1325 of file lz4.c.

References FREEMEM.

◆ LZ4_loadDict()

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

Definition at line 956 of file lz4.c.

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().

◆ LZ4_resetStream()

void LZ4_resetStream ( LZ4_stream_t * streamPtr)

Definition at line 943 of file lz4.c.

References MEM_INIT.

◆ LZ4_resetStreamState()

int LZ4_resetStreamState ( void * state,
char * inputBuffer )

Definition at line 1482 of file lz4.c.

References LZ4_init().

◆ LZ4_saveDict()

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

Definition at line 1083 of file lz4.c.

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

◆ LZ4_setStreamDecode()

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

Definition at line 1338 of file lz4.c.

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

◆ LZ4_sizeofState()

int LZ4_sizeofState ( void )

Definition at line 373 of file lz4.c.

References LZ4_STREAMSIZE.

◆ LZ4_sizeofStreamState()

int LZ4_sizeofStreamState ( void )

Definition at line 1474 of file lz4.c.

References LZ4_STREAMSIZE.

◆ LZ4_slideInputBuffer()

char * LZ4_slideInputBuffer ( void * state)

Definition at line 1496 of file lz4.c.

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

◆ LZ4_versionNumber()

int LZ4_versionNumber ( void )

Definition at line 371 of file lz4.c.

References LZ4_VERSION_NUMBER.

Generated by doxygen 1.14.0