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updated to latest LZ4 source

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iceman1001 2020-09-28 10:47:13 +02:00
commit 74050af8c2
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common/lz4/lz4.c
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common/lz4/lz4.h
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@ -109,8 +109,8 @@ extern "C" {
#define LZ4_EXPAND_AND_QUOTE(str) LZ4_QUOTE(str) #define LZ4_EXPAND_AND_QUOTE(str) LZ4_QUOTE(str)
#define LZ4_VERSION_STRING LZ4_EXPAND_AND_QUOTE(LZ4_LIB_VERSION) #define LZ4_VERSION_STRING LZ4_EXPAND_AND_QUOTE(LZ4_LIB_VERSION)
LZ4LIB_API int LZ4_versionNumber(void); /**< library version number; useful to check dll version */ LZ4LIB_API int LZ4_versionNumber (void); /**< library version number; useful to check dll version */
LZ4LIB_API const char *LZ4_versionString(void); /**< library version string; useful to check dll version */ LZ4LIB_API const char* LZ4_versionString (void); /**< library version string; useful to check dll version */
/*-************************************ /*-************************************
@ -145,7 +145,7 @@ LZ4LIB_API const char *LZ4_versionString(void); /**< library version string;
* or 0 if compression fails * or 0 if compression fails
* Note : This function is protected against buffer overflow scenarios (never writes outside 'dst' buffer, nor read outside 'source' buffer). * Note : This function is protected against buffer overflow scenarios (never writes outside 'dst' buffer, nor read outside 'source' buffer).
*/ */
LZ4LIB_API int LZ4_compress_default(const char *src, char *dst, int srcSize, int dstCapacity); LZ4LIB_API int LZ4_compress_default(const char* src, char* dst, int srcSize, int dstCapacity);
/*! LZ4_decompress_safe() : /*! LZ4_decompress_safe() :
* compressedSize : is the exact complete size of the compressed block. * compressedSize : is the exact complete size of the compressed block.
@ -161,7 +161,7 @@ LZ4LIB_API int LZ4_compress_default(const char *src, char *dst, int srcSize, int
* The implementation is free to send / store / derive this information in whichever way is most beneficial. * The implementation is free to send / store / derive this information in whichever way is most beneficial.
* If there is a need for a different format which bundles together both compressed data and its metadata, consider looking at lz4frame.h instead. * If there is a need for a different format which bundles together both compressed data and its metadata, consider looking at lz4frame.h instead.
*/ */
LZ4LIB_API int LZ4_decompress_safe(const char *src, char *dst, int compressedSize, int dstCapacity); LZ4LIB_API int LZ4_decompress_safe (const char* src, char* dst, int compressedSize, int dstCapacity);
/*-************************************ /*-************************************
@ -186,9 +186,10 @@ LZ4LIB_API int LZ4_compressBound(int inputSize);
The larger the acceleration value, the faster the algorithm, but also the lesser the compression. The larger the acceleration value, the faster the algorithm, but also the lesser the compression.
It's a trade-off. It can be fine tuned, with each successive value providing roughly +~3% to speed. It's a trade-off. It can be fine tuned, with each successive value providing roughly +~3% to speed.
An acceleration value of "1" is the same as regular LZ4_compress_default() An acceleration value of "1" is the same as regular LZ4_compress_default()
Values <= 0 will be replaced by ACCELERATION_DEFAULT (currently == 1, see lz4.c). Values <= 0 will be replaced by LZ4_ACCELERATION_DEFAULT (currently == 1, see lz4.c).
Values > LZ4_ACCELERATION_MAX will be replaced by LZ4_ACCELERATION_MAX (currently == 65537, see lz4.c).
*/ */
LZ4LIB_API int LZ4_compress_fast(const char *src, char *dst, int srcSize, int dstCapacity, int acceleration); LZ4LIB_API int LZ4_compress_fast (const char* src, char* dst, int srcSize, int dstCapacity, int acceleration);
/*! LZ4_compress_fast_extState() : /*! LZ4_compress_fast_extState() :
@ -198,7 +199,7 @@ LZ4LIB_API int LZ4_compress_fast(const char *src, char *dst, int srcSize, int ds
* Then, provide this buffer as `void* state` to compression function. * Then, provide this buffer as `void* state` to compression function.
*/ */
LZ4LIB_API int LZ4_sizeofState(void); LZ4LIB_API int LZ4_sizeofState(void);
LZ4LIB_API int LZ4_compress_fast_extState(void *state, const char *src, char *dst, int srcSize, int dstCapacity, int acceleration); LZ4LIB_API int LZ4_compress_fast_extState (void* state, const char* src, char* dst, int srcSize, int dstCapacity, int acceleration);
/*! LZ4_compress_destSize() : /*! LZ4_compress_destSize() :
@ -212,35 +213,56 @@ LZ4LIB_API int LZ4_compress_fast_extState(void *state, const char *src, char *ds
* New value is necessarily <= input value. * New value is necessarily <= input value.
* @return : Nb bytes written into 'dst' (necessarily <= targetDestSize) * @return : Nb bytes written into 'dst' (necessarily <= targetDestSize)
* or 0 if compression fails. * or 0 if compression fails.
*/ *
LZ4LIB_API int LZ4_compress_destSize(const char *src, char *dst, int *srcSizePtr, int targetDstSize); * Note : from v1.8.2 to v1.9.1, this function had a bug (fixed un v1.9.2+):
* the produced compressed content could, in specific circumstances,
* require to be decompressed into a destination buffer larger
* by at least 1 byte than the content to decompress.
* If an application uses `LZ4_compress_destSize()`,
* it's highly recommended to update liblz4 to v1.9.2 or better.
* If this can't be done or ensured,
* the receiving decompression function should provide
* a dstCapacity which is > decompressedSize, by at least 1 byte.
* See https://github.com/lz4/lz4/issues/859 for details
*/
LZ4LIB_API int LZ4_compress_destSize (const char* src, char* dst, int* srcSizePtr, int targetDstSize);
/*! LZ4_decompress_safe_partial() : /*! LZ4_decompress_safe_partial() :
* Decompress an LZ4 compressed block, of size 'srcSize' at position 'src', * Decompress an LZ4 compressed block, of size 'srcSize' at position 'src',
* into destination buffer 'dst' of size 'dstCapacity'. * into destination buffer 'dst' of size 'dstCapacity'.
* Up to 'targetOutputSize' bytes will be decoded. * Up to 'targetOutputSize' bytes will be decoded.
* The function stops decoding on reaching this objective, * The function stops decoding on reaching this objective.
* which can boost performance when only the beginning of a block is required. * This can be useful to boost performance
* whenever only the beginning of a block is required.
* *
* @return : the number of bytes decoded in `dst` (necessarily <= dstCapacity) * @return : the number of bytes decoded in `dst` (necessarily <= targetOutputSize)
* If source stream is detected malformed, function returns a negative result. * If source stream is detected malformed, function returns a negative result.
* *
* Note : @return can be < targetOutputSize, if compressed block contains less data. * Note 1 : @return can be < targetOutputSize, if compressed block contains less data.
* *
* Note 2 : this function features 2 parameters, targetOutputSize and dstCapacity, * Note 2 : targetOutputSize must be <= dstCapacity
* and expects targetOutputSize <= dstCapacity. *
* It effectively stops decoding on reaching targetOutputSize, * Note 3 : this function effectively stops decoding on reaching targetOutputSize,
* so dstCapacity is kind of redundant. * so dstCapacity is kind of redundant.
* This is because in a previous version of this function, * This is because in older versions of this function,
* decoding operation would not "break" a sequence in the middle. * decoding operation would still write complete sequences.
* As a consequence, there was no guarantee that decoding would stop at exactly targetOutputSize, * Therefore, there was no guarantee that it would stop writing at exactly targetOutputSize,
* it could write more bytes, though only up to dstCapacity. * it could write more bytes, though only up to dstCapacity.
* Some "margin" used to be required for this operation to work properly. * Some "margin" used to be required for this operation to work properly.
* This is no longer necessary. * Thankfully, this is no longer necessary.
* The function nonetheless keeps its signature, in an effort to not break API. * The function nonetheless keeps the same signature, in an effort to preserve API compatibility.
*
* Note 4 : If srcSize is the exact size of the block,
* then targetOutputSize can be any value,
* including larger than the block's decompressed size.
* The function will, at most, generate block's decompressed size.
*
* Note 5 : If srcSize is _larger_ than block's compressed size,
* then targetOutputSize **MUST** be <= block's decompressed size.
* Otherwise, *silent corruption will occur*.
*/ */
LZ4LIB_API int LZ4_decompress_safe_partial(const char *src, char *dst, int srcSize, int targetOutputSize, int dstCapacity); LZ4LIB_API int LZ4_decompress_safe_partial (const char* src, char* dst, int srcSize, int targetOutputSize, int dstCapacity);
/*-********************************************* /*-*********************************************
@ -248,8 +270,8 @@ LZ4LIB_API int LZ4_decompress_safe_partial(const char *src, char *dst, int srcSi
***********************************************/ ***********************************************/
typedef union LZ4_stream_u LZ4_stream_t; /* incomplete type (defined later) */ typedef union LZ4_stream_u LZ4_stream_t; /* incomplete type (defined later) */
LZ4LIB_API LZ4_stream_t *LZ4_createStream(void); LZ4LIB_API LZ4_stream_t* LZ4_createStream(void);
LZ4LIB_API int LZ4_freeStream(LZ4_stream_t *streamPtr); LZ4LIB_API int LZ4_freeStream (LZ4_stream_t* streamPtr);
/*! LZ4_resetStream_fast() : v1.9.0+ /*! LZ4_resetStream_fast() : v1.9.0+
* Use this to prepare an LZ4_stream_t for a new chain of dependent blocks * Use this to prepare an LZ4_stream_t for a new chain of dependent blocks
@ -273,7 +295,7 @@ LZ4LIB_API int LZ4_freeStream(LZ4_stream_t *streamPtr);
* The *extState* functions perform their own resets. * The *extState* functions perform their own resets.
* Invoking LZ4_resetStream_fast() before is redundant, and even counterproductive. * Invoking LZ4_resetStream_fast() before is redundant, and even counterproductive.
*/ */
LZ4LIB_API void LZ4_resetStream_fast(LZ4_stream_t *streamPtr); LZ4LIB_API void LZ4_resetStream_fast (LZ4_stream_t* streamPtr);
/*! LZ4_loadDict() : /*! LZ4_loadDict() :
* Use this function to reference a static dictionary into LZ4_stream_t. * Use this function to reference a static dictionary into LZ4_stream_t.
@ -286,7 +308,7 @@ LZ4LIB_API void LZ4_resetStream_fast(LZ4_stream_t *streamPtr);
* Loading a size of 0 is allowed, and is the same as reset. * Loading a size of 0 is allowed, and is the same as reset.
* @return : loaded dictionary size, in bytes (necessarily <= 64 KB) * @return : loaded dictionary size, in bytes (necessarily <= 64 KB)
*/ */
LZ4LIB_API int LZ4_loadDict(LZ4_stream_t *streamPtr, const char *dictionary, int dictSize); LZ4LIB_API int LZ4_loadDict (LZ4_stream_t* streamPtr, const char* dictionary, int dictSize);
/*! LZ4_compress_fast_continue() : /*! LZ4_compress_fast_continue() :
* Compress 'src' content using data from previously compressed blocks, for better compression ratio. * Compress 'src' content using data from previously compressed blocks, for better compression ratio.
@ -311,7 +333,7 @@ LZ4LIB_API int LZ4_loadDict(LZ4_stream_t *streamPtr, const char *dictionary, int
* *
* Note 5 : After an error, the stream status is undefined (invalid), it can only be reset or freed. * Note 5 : After an error, the stream status is undefined (invalid), it can only be reset or freed.
*/ */
LZ4LIB_API int LZ4_compress_fast_continue(LZ4_stream_t *streamPtr, const char *src, char *dst, int srcSize, int dstCapacity, int acceleration); LZ4LIB_API int LZ4_compress_fast_continue (LZ4_stream_t* streamPtr, const char* src, char* dst, int srcSize, int dstCapacity, int acceleration);
/*! LZ4_saveDict() : /*! LZ4_saveDict() :
* If last 64KB data cannot be guaranteed to remain available at its current memory location, * If last 64KB data cannot be guaranteed to remain available at its current memory location,
@ -320,7 +342,7 @@ LZ4LIB_API int LZ4_compress_fast_continue(LZ4_stream_t *streamPtr, const char *s
* but is much faster, because LZ4_saveDict() doesn't need to rebuild tables. * but is much faster, because LZ4_saveDict() doesn't need to rebuild tables.
* @return : saved dictionary size in bytes (necessarily <= maxDictSize), or 0 if error. * @return : saved dictionary size in bytes (necessarily <= maxDictSize), or 0 if error.
*/ */
LZ4LIB_API int LZ4_saveDict(LZ4_stream_t *streamPtr, char *safeBuffer, int maxDictSize); LZ4LIB_API int LZ4_saveDict (LZ4_stream_t* streamPtr, char* safeBuffer, int maxDictSize);
/*-********************************************** /*-**********************************************
@ -333,8 +355,8 @@ typedef union LZ4_streamDecode_u LZ4_streamDecode_t; /* tracking context */
* creation / destruction of streaming decompression tracking context. * creation / destruction of streaming decompression tracking context.
* A tracking context can be re-used multiple times. * A tracking context can be re-used multiple times.
*/ */
LZ4LIB_API LZ4_streamDecode_t *LZ4_createStreamDecode(void); LZ4LIB_API LZ4_streamDecode_t* LZ4_createStreamDecode(void);
LZ4LIB_API int LZ4_freeStreamDecode(LZ4_streamDecode_t *LZ4_stream); LZ4LIB_API int LZ4_freeStreamDecode (LZ4_streamDecode_t* LZ4_stream);
/*! LZ4_setStreamDecode() : /*! LZ4_setStreamDecode() :
* An LZ4_streamDecode_t context can be allocated once and re-used multiple times. * An LZ4_streamDecode_t context can be allocated once and re-used multiple times.
@ -343,7 +365,7 @@ LZ4LIB_API int LZ4_freeStreamDecode(LZ4_streamDecode_t *LZ4_stre
* Dictionary is presumed stable : it must remain accessible and unmodified during next decompression. * Dictionary is presumed stable : it must remain accessible and unmodified during next decompression.
* @return : 1 if OK, 0 if error * @return : 1 if OK, 0 if error
*/ */
LZ4LIB_API int LZ4_setStreamDecode(LZ4_streamDecode_t *LZ4_streamDecode, const char *dictionary, int dictSize); LZ4LIB_API int LZ4_setStreamDecode (LZ4_streamDecode_t* LZ4_streamDecode, const char* dictionary, int dictSize);
/*! LZ4_decoderRingBufferSize() : v1.8.2+ /*! LZ4_decoderRingBufferSize() : v1.8.2+
* Note : in a ring buffer scenario (optional), * Note : in a ring buffer scenario (optional),
@ -384,7 +406,7 @@ LZ4LIB_API int LZ4_decoderRingBufferSize(int maxBlockSize);
* save the last 64KB of decoded data into a safe buffer where it can't be modified during decompression, * save the last 64KB of decoded data into a safe buffer where it can't be modified during decompression,
* then indicate where this data is saved using LZ4_setStreamDecode(), before decompressing next block. * then indicate where this data is saved using LZ4_setStreamDecode(), before decompressing next block.
*/ */
LZ4LIB_API int LZ4_decompress_safe_continue(LZ4_streamDecode_t *LZ4_streamDecode, const char *src, char *dst, int srcSize, int dstCapacity); LZ4LIB_API int LZ4_decompress_safe_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* src, char* dst, int srcSize, int dstCapacity);
/*! LZ4_decompress_*_usingDict() : /*! LZ4_decompress_*_usingDict() :
@ -395,7 +417,7 @@ LZ4LIB_API int LZ4_decompress_safe_continue(LZ4_streamDecode_t *LZ4_streamDecode
* Performance tip : Decompression speed can be substantially increased * Performance tip : Decompression speed can be substantially increased
* when dst == dictStart + dictSize. * when dst == dictStart + dictSize.
*/ */
LZ4LIB_API int LZ4_decompress_safe_usingDict(const char *src, char *dst, int srcSize, int dstCapcity, const char *dictStart, int dictSize); LZ4LIB_API int LZ4_decompress_safe_usingDict (const char* src, char* dst, int srcSize, int dstCapcity, const char* dictStart, int dictSize);
#endif /* LZ4_H_2983827168210 */ #endif /* LZ4_H_2983827168210 */
@ -446,7 +468,7 @@ LZ4LIB_API int LZ4_decompress_safe_usingDict(const char *src, char *dst, int src
* this function initializes the provided state with a call to something like LZ4_resetStream_fast() * this function initializes the provided state with a call to something like LZ4_resetStream_fast()
* while LZ4_compress_fast_extState() starts with a call to LZ4_resetStream(). * while LZ4_compress_fast_extState() starts with a call to LZ4_resetStream().
*/ */
LZ4LIB_STATIC_API int LZ4_compress_fast_extState_fastReset(void *state, const char *src, char *dst, int srcSize, int dstCapacity, int acceleration); LZ4LIB_STATIC_API int LZ4_compress_fast_extState_fastReset (void* state, const char* src, char* dst, int srcSize, int dstCapacity, int acceleration);
/*! LZ4_attach_dictionary() : /*! LZ4_attach_dictionary() :
* This is an experimental API that allows * This is an experimental API that allows
@ -474,7 +496,7 @@ LZ4LIB_STATIC_API int LZ4_compress_fast_extState_fastReset(void *state, const ch
* stream (and source buffer) must remain in-place / accessible / unchanged * stream (and source buffer) must remain in-place / accessible / unchanged
* through the completion of the first compression call on the stream. * through the completion of the first compression call on the stream.
*/ */
LZ4LIB_STATIC_API void LZ4_attach_dictionary(LZ4_stream_t *workingStream, const LZ4_stream_t *dictionaryStream); LZ4LIB_STATIC_API void LZ4_attach_dictionary(LZ4_stream_t* workingStream, const LZ4_stream_t* dictionaryStream);
/*! In-place compression and decompression /*! In-place compression and decompression
@ -564,17 +586,16 @@ typedef struct LZ4_stream_t_internal LZ4_stream_t_internal;
struct LZ4_stream_t_internal { struct LZ4_stream_t_internal {
uint32_t hashTable[LZ4_HASH_SIZE_U32]; uint32_t hashTable[LZ4_HASH_SIZE_U32];
uint32_t currentOffset; uint32_t currentOffset;
uint16_t dirty; uint32_t tableType;
uint16_t tableType; const uint8_t* dictionary;
const uint8_t *dictionary; const LZ4_stream_t_internal* dictCtx;
const LZ4_stream_t_internal *dictCtx;
uint32_t dictSize; uint32_t dictSize;
}; };
typedef struct { typedef struct {
const uint8_t *externalDict; const uint8_t* externalDict;
size_t extDictSize; size_t extDictSize;
const uint8_t *prefixEnd; const uint8_t* prefixEnd;
size_t prefixSize; size_t prefixSize;
} LZ4_streamDecode_t_internal; } LZ4_streamDecode_t_internal;
@ -584,16 +605,15 @@ typedef struct LZ4_stream_t_internal LZ4_stream_t_internal;
struct LZ4_stream_t_internal { struct LZ4_stream_t_internal {
unsigned int hashTable[LZ4_HASH_SIZE_U32]; unsigned int hashTable[LZ4_HASH_SIZE_U32];
unsigned int currentOffset; unsigned int currentOffset;
unsigned short dirty; unsigned int tableType;
unsigned short tableType; const unsigned char* dictionary;
const unsigned char *dictionary; const LZ4_stream_t_internal* dictCtx;
const LZ4_stream_t_internal *dictCtx;
unsigned int dictSize; unsigned int dictSize;
}; };
typedef struct { typedef struct {
const unsigned char *externalDict; const unsigned char* externalDict;
const unsigned char *prefixEnd; const unsigned char* prefixEnd;
size_t extDictSize; size_t extDictSize;
size_t prefixSize; size_t prefixSize;
} LZ4_streamDecode_t_internal; } LZ4_streamDecode_t_internal;
@ -630,7 +650,7 @@ union LZ4_stream_u {
* Note2: An LZ4_stream_t structure guarantees correct alignment and size. * Note2: An LZ4_stream_t structure guarantees correct alignment and size.
* Note3: Before v1.9.0, use LZ4_resetStream() instead * Note3: Before v1.9.0, use LZ4_resetStream() instead
*/ */
LZ4LIB_API LZ4_stream_t *LZ4_initStream(void *buffer, size_t size); LZ4LIB_API LZ4_stream_t* LZ4_initStream (void* buffer, size_t size);
/*! LZ4_streamDecode_t : /*! LZ4_streamDecode_t :
@ -667,32 +687,31 @@ union LZ4_streamDecode_u {
#ifdef LZ4_DISABLE_DEPRECATE_WARNINGS #ifdef LZ4_DISABLE_DEPRECATE_WARNINGS
# define LZ4_DEPRECATED(message) /* disable deprecation warnings */ # define LZ4_DEPRECATED(message) /* disable deprecation warnings */
#else #else
# define LZ4_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
# if defined (__cplusplus) && (__cplusplus >= 201402) /* C++14 or greater */ # if defined (__cplusplus) && (__cplusplus >= 201402) /* C++14 or greater */
# define LZ4_DEPRECATED(message) [[deprecated(message)]] # define LZ4_DEPRECATED(message) [[deprecated(message)]]
# elif (LZ4_GCC_VERSION >= 405) || defined(__clang__)
# define LZ4_DEPRECATED(message) __attribute__((deprecated(message)))
# elif (LZ4_GCC_VERSION >= 301)
# define LZ4_DEPRECATED(message) __attribute__((deprecated))
# elif defined(_MSC_VER) # elif defined(_MSC_VER)
# define LZ4_DEPRECATED(message) __declspec(deprecated(message)) # define LZ4_DEPRECATED(message) __declspec(deprecated(message))
# elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ * 10 + __GNUC_MINOR__ >= 45))
# define LZ4_DEPRECATED(message) __attribute__((deprecated(message)))
# elif defined(__GNUC__) && (__GNUC__ * 10 + __GNUC_MINOR__ >= 31)
# define LZ4_DEPRECATED(message) __attribute__((deprecated))
# else # else
# pragma message("WARNING: You need to implement LZ4_DEPRECATED for this compiler") # pragma message("WARNING: LZ4_DEPRECATED needs custom implementation for this compiler")
# define LZ4_DEPRECATED(message) # define LZ4_DEPRECATED(message) /* disabled */
# endif # endif
#endif /* LZ4_DISABLE_DEPRECATE_WARNINGS */ #endif /* LZ4_DISABLE_DEPRECATE_WARNINGS */
/* Obsolete compression functions */ /* Obsolete compression functions */
LZ4_DEPRECATED("use LZ4_compress_default() instead") LZ4LIB_API int LZ4_compress(const char *src, char *dest, int srcSize); LZ4_DEPRECATED("use LZ4_compress_default() instead") LZ4LIB_API int LZ4_compress (const char* src, char* dest, int srcSize);
LZ4_DEPRECATED("use LZ4_compress_default() instead") LZ4LIB_API int LZ4_compress_limitedOutput(const char *src, char *dest, int srcSize, int maxOutputSize); LZ4_DEPRECATED("use LZ4_compress_default() instead") LZ4LIB_API int LZ4_compress_limitedOutput (const char* src, char* dest, int srcSize, int maxOutputSize);
LZ4_DEPRECATED("use LZ4_compress_fast_extState() instead") LZ4LIB_API int LZ4_compress_withState(void *state, const char *source, char *dest, int inputSize); LZ4_DEPRECATED("use LZ4_compress_fast_extState() instead") LZ4LIB_API int LZ4_compress_withState (void* state, const char* source, char* dest, int inputSize);
LZ4_DEPRECATED("use LZ4_compress_fast_extState() instead") LZ4LIB_API int LZ4_compress_limitedOutput_withState(void *state, const char *source, char *dest, int inputSize, int maxOutputSize); LZ4_DEPRECATED("use LZ4_compress_fast_extState() instead") LZ4LIB_API int LZ4_compress_limitedOutput_withState (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);
LZ4_DEPRECATED("use LZ4_compress_fast_continue() instead") LZ4LIB_API int LZ4_compress_continue(LZ4_stream_t *LZ4_streamPtr, const char *source, char *dest, int inputSize); LZ4_DEPRECATED("use LZ4_compress_fast_continue() instead") LZ4LIB_API int LZ4_compress_continue (LZ4_stream_t* LZ4_streamPtr, const char* source, char* dest, int inputSize);
LZ4_DEPRECATED("use LZ4_compress_fast_continue() instead") LZ4LIB_API int LZ4_compress_limitedOutput_continue(LZ4_stream_t *LZ4_streamPtr, const char *source, char *dest, int inputSize, int maxOutputSize); LZ4_DEPRECATED("use LZ4_compress_fast_continue() instead") LZ4LIB_API int LZ4_compress_limitedOutput_continue (LZ4_stream_t* LZ4_streamPtr, const char* source, char* dest, int inputSize, int maxOutputSize);
/* Obsolete decompression functions */ /* Obsolete decompression functions */
LZ4_DEPRECATED("use LZ4_decompress_fast() instead") LZ4LIB_API int LZ4_uncompress(const char *source, char *dest, int outputSize); LZ4_DEPRECATED("use LZ4_decompress_fast() instead") LZ4LIB_API int LZ4_uncompress (const char* source, char* dest, int outputSize);
LZ4_DEPRECATED("use LZ4_decompress_safe() instead") LZ4LIB_API int LZ4_uncompress_unknownOutputSize(const char *source, char *dest, int isize, int maxOutputSize); LZ4_DEPRECATED("use LZ4_decompress_safe() instead") LZ4LIB_API int LZ4_uncompress_unknownOutputSize (const char* source, char* dest, int isize, int maxOutputSize);
/* Obsolete streaming functions; degraded functionality; do not use! /* Obsolete streaming functions; degraded functionality; do not use!
* *
@ -703,14 +722,14 @@ LZ4_DEPRECATED("use LZ4_decompress_safe() instead") LZ4LIB_API int LZ4_uncompres
* achieved will therefore be no better than compressing each chunk * achieved will therefore be no better than compressing each chunk
* independently. * independently.
*/ */
LZ4_DEPRECATED("Use LZ4_createStream() instead") LZ4LIB_API void *LZ4_create(char *inputBuffer); LZ4_DEPRECATED("Use LZ4_createStream() instead") LZ4LIB_API void* LZ4_create (char* inputBuffer);
LZ4_DEPRECATED("Use LZ4_createStream() instead") LZ4LIB_API int LZ4_sizeofStreamState(void); LZ4_DEPRECATED("Use LZ4_createStream() instead") LZ4LIB_API int LZ4_sizeofStreamState(void);
LZ4_DEPRECATED("Use LZ4_resetStream() instead") LZ4LIB_API int LZ4_resetStreamState(void *state, char *inputBuffer); LZ4_DEPRECATED("Use LZ4_resetStream() instead") LZ4LIB_API int LZ4_resetStreamState(void* state, char* inputBuffer);
LZ4_DEPRECATED("Use LZ4_saveDict() instead") LZ4LIB_API char *LZ4_slideInputBuffer(void *state); LZ4_DEPRECATED("Use LZ4_saveDict() instead") LZ4LIB_API char* LZ4_slideInputBuffer (void* state);
/* Obsolete streaming decoding functions */ /* Obsolete streaming decoding functions */
LZ4_DEPRECATED("use LZ4_decompress_safe_usingDict() instead") LZ4LIB_API int LZ4_decompress_safe_withPrefix64k(const char *src, char *dst, int compressedSize, int maxDstSize); LZ4_DEPRECATED("use LZ4_decompress_safe_usingDict() instead") LZ4LIB_API int LZ4_decompress_safe_withPrefix64k (const char* src, char* dst, int compressedSize, int maxDstSize);
LZ4_DEPRECATED("use LZ4_decompress_fast_usingDict() instead") LZ4LIB_API int LZ4_decompress_fast_withPrefix64k(const char *src, char *dst, int originalSize); LZ4_DEPRECATED("use LZ4_decompress_fast_usingDict() instead") LZ4LIB_API int LZ4_decompress_fast_withPrefix64k (const char* src, char* dst, int originalSize);
/*! LZ4_decompress_fast() : **unsafe!** /*! LZ4_decompress_fast() : **unsafe!**
* These functions used to be faster than LZ4_decompress_safe(), * These functions used to be faster than LZ4_decompress_safe(),
@ -741,11 +760,11 @@ LZ4_DEPRECATED("use LZ4_decompress_fast_usingDict() instead") LZ4LIB_API int LZ4
*/ */
LZ4_DEPRECATED("This function is deprecated and unsafe. Consider using LZ4_decompress_safe() instead") LZ4_DEPRECATED("This function is deprecated and unsafe. Consider using LZ4_decompress_safe() instead")
LZ4LIB_API int LZ4_decompress_fast(const char *src, char *dst, int originalSize); LZ4LIB_API int LZ4_decompress_fast (const char* src, char* dst, int originalSize);
LZ4_DEPRECATED("This function is deprecated and unsafe. Consider using LZ4_decompress_safe_continue() instead") LZ4_DEPRECATED("This function is deprecated and unsafe. Consider using LZ4_decompress_safe_continue() instead")
LZ4LIB_API int LZ4_decompress_fast_continue(LZ4_streamDecode_t *LZ4_streamDecode, const char *src, char *dst, int originalSize); LZ4LIB_API int LZ4_decompress_fast_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* src, char* dst, int originalSize);
LZ4_DEPRECATED("This function is deprecated and unsafe. Consider using LZ4_decompress_safe_usingDict() instead") LZ4_DEPRECATED("This function is deprecated and unsafe. Consider using LZ4_decompress_safe_usingDict() instead")
LZ4LIB_API int LZ4_decompress_fast_usingDict(const char *src, char *dst, int originalSize, const char *dictStart, int dictSize); LZ4LIB_API int LZ4_decompress_fast_usingDict (const char* src, char* dst, int originalSize, const char* dictStart, int dictSize);
/*! LZ4_resetStream() : /*! LZ4_resetStream() :
* An LZ4_stream_t structure must be initialized at least once. * An LZ4_stream_t structure must be initialized at least once.
@ -753,7 +772,7 @@ LZ4LIB_API int LZ4_decompress_fast_usingDict(const char *src, char *dst, int ori
* Consider switching to LZ4_initStream(), * Consider switching to LZ4_initStream(),
* invoking LZ4_resetStream() will trigger deprecation warnings in the future. * invoking LZ4_resetStream() will trigger deprecation warnings in the future.
*/ */
LZ4LIB_API void LZ4_resetStream(LZ4_stream_t *streamPtr); LZ4LIB_API void LZ4_resetStream (LZ4_stream_t* streamPtr);
#endif /* LZ4_H_98237428734687 */ #endif /* LZ4_H_98237428734687 */

841
common/lz4/lz4hc.c
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102
common/lz4/lz4hc.h
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@ -63,7 +63,7 @@ extern "C" {
* @return : the number of bytes written into 'dst' * @return : the number of bytes written into 'dst'
* or 0 if compression fails. * or 0 if compression fails.
*/ */
LZ4LIB_API int LZ4_compress_HC(const char *src, char *dst, int srcSize, int dstCapacity, int compressionLevel); LZ4LIB_API int LZ4_compress_HC (const char* src, char* dst, int srcSize, int dstCapacity, int compressionLevel);
/* Note : /* Note :
@ -77,7 +77,7 @@ LZ4LIB_API int LZ4_compress_HC(const char *src, char *dst, int srcSize, int dstC
* Memory segment must be aligned on 8-bytes boundaries (which a normal malloc() should do properly). * Memory segment must be aligned on 8-bytes boundaries (which a normal malloc() should do properly).
*/ */
LZ4LIB_API int LZ4_sizeofStateHC(void); LZ4LIB_API int LZ4_sizeofStateHC(void);
LZ4LIB_API int LZ4_compress_HC_extStateHC(void *stateHC, const char *src, char *dst, int srcSize, int maxDstSize, int compressionLevel); LZ4LIB_API int LZ4_compress_HC_extStateHC(void* stateHC, const char* src, char* dst, int srcSize, int maxDstSize, int compressionLevel);
/*! LZ4_compress_HC_destSize() : v1.9.0+ /*! LZ4_compress_HC_destSize() : v1.9.0+
@ -88,9 +88,9 @@ LZ4LIB_API int LZ4_compress_HC_extStateHC(void *stateHC, const char *src, char *
* or 0 if compression fails. * or 0 if compression fails.
* `srcSizePtr` : on success, *srcSizePtr is updated to indicate how much bytes were read from `src` * `srcSizePtr` : on success, *srcSizePtr is updated to indicate how much bytes were read from `src`
*/ */
LZ4LIB_API int LZ4_compress_HC_destSize(void *stateHC, LZ4LIB_API int LZ4_compress_HC_destSize(void* stateHC,
const char *src, char *dst, const char* src, char* dst,
int *srcSizePtr, int targetDstSize, int* srcSizePtr, int targetDstSize,
int compressionLevel); int compressionLevel);
@ -98,7 +98,7 @@ LZ4LIB_API int LZ4_compress_HC_destSize(void *stateHC,
* Streaming Compression * Streaming Compression
* Bufferless synchronous API * Bufferless synchronous API
**************************************/ **************************************/
typedef union LZ4_streamHC_u LZ4_streamHC_t; /* incomplete type (defined later) */ typedef union LZ4_streamHC_u LZ4_streamHC_t; /* incomplete type (defined later) */
/*! LZ4_createStreamHC() and LZ4_freeStreamHC() : /*! LZ4_createStreamHC() and LZ4_freeStreamHC() :
* These functions create and release memory for LZ4 HC streaming state. * These functions create and release memory for LZ4 HC streaming state.
@ -106,8 +106,8 @@ typedef union LZ4_streamHC_u LZ4_streamHC_t; /* incomplete type (defined later
* A same state can be used multiple times consecutively, * A same state can be used multiple times consecutively,
* starting with LZ4_resetStreamHC_fast() to start a new stream of blocks. * starting with LZ4_resetStreamHC_fast() to start a new stream of blocks.
*/ */
LZ4LIB_API LZ4_streamHC_t *LZ4_createStreamHC(void); LZ4LIB_API LZ4_streamHC_t* LZ4_createStreamHC(void);
LZ4LIB_API int LZ4_freeStreamHC(LZ4_streamHC_t *streamHCPtr); LZ4LIB_API int LZ4_freeStreamHC (LZ4_streamHC_t* streamHCPtr);
/* /*
These functions compress data in successive blocks of any size, These functions compress data in successive blocks of any size,
@ -152,11 +152,11 @@ LZ4LIB_API int LZ4_freeStreamHC(LZ4_streamHC_t *streamHCPtr);
just by resetting it, using LZ4_resetStreamHC_fast(). just by resetting it, using LZ4_resetStreamHC_fast().
*/ */
LZ4LIB_API void LZ4_resetStreamHC_fast(LZ4_streamHC_t *streamHCPtr, int compressionLevel); /* v1.9.0+ */ LZ4LIB_API void LZ4_resetStreamHC_fast(LZ4_streamHC_t* streamHCPtr, int compressionLevel); /* v1.9.0+ */
LZ4LIB_API int LZ4_loadDictHC(LZ4_streamHC_t *streamHCPtr, const char *dictionary, int dictSize); LZ4LIB_API int LZ4_loadDictHC (LZ4_streamHC_t* streamHCPtr, const char* dictionary, int dictSize);
LZ4LIB_API int LZ4_compress_HC_continue(LZ4_streamHC_t *streamHCPtr, LZ4LIB_API int LZ4_compress_HC_continue (LZ4_streamHC_t* streamHCPtr,
const char *src, char *dst, const char* src, char* dst,
int srcSize, int maxDstSize); int srcSize, int maxDstSize);
/*! LZ4_compress_HC_continue_destSize() : v1.9.0+ /*! LZ4_compress_HC_continue_destSize() : v1.9.0+
@ -169,11 +169,11 @@ LZ4LIB_API int LZ4_compress_HC_continue(LZ4_streamHC_t *streamHCPtr,
* `srcSizePtr` : on success, *srcSizePtr will be updated to indicate how much bytes were read from `src`. * `srcSizePtr` : on success, *srcSizePtr will be updated to indicate how much bytes were read from `src`.
* Note that this function may not consume the entire input. * Note that this function may not consume the entire input.
*/ */
LZ4LIB_API int LZ4_compress_HC_continue_destSize(LZ4_streamHC_t *LZ4_streamHCPtr, LZ4LIB_API int LZ4_compress_HC_continue_destSize(LZ4_streamHC_t* LZ4_streamHCPtr,
const char *src, char *dst, const char* src, char* dst,
int *srcSizePtr, int targetDstSize); int* srcSizePtr, int targetDstSize);
LZ4LIB_API int LZ4_saveDictHC(LZ4_streamHC_t *streamHCPtr, char *safeBuffer, int maxDictSize); LZ4LIB_API int LZ4_saveDictHC (LZ4_streamHC_t* streamHCPtr, char* safeBuffer, int maxDictSize);
@ -202,12 +202,13 @@ LZ4LIB_API int LZ4_saveDictHC(LZ4_streamHC_t *streamHCPtr, char *safeBuffer, int
#include <stdint.h> #include <stdint.h>
typedef struct LZ4HC_CCtx_internal LZ4HC_CCtx_internal; typedef struct LZ4HC_CCtx_internal LZ4HC_CCtx_internal;
struct LZ4HC_CCtx_internal { struct LZ4HC_CCtx_internal
{
uint32_t hashTable[LZ4HC_HASHTABLESIZE]; uint32_t hashTable[LZ4HC_HASHTABLESIZE];
uint16_t chainTable[LZ4HC_MAXD]; uint16_t chainTable[LZ4HC_MAXD];
const uint8_t *end; /* next block here to continue on current prefix */ const uint8_t* end; /* next block here to continue on current prefix */
const uint8_t *base; /* All index relative to this position */ const uint8_t* base; /* All index relative to this position */
const uint8_t *dictBase; /* alternate base for extDict */ const uint8_t* dictBase; /* alternate base for extDict */
uint32_t dictLimit; /* below that point, need extDict */ uint32_t dictLimit; /* below that point, need extDict */
uint32_t lowLimit; /* below that point, no more dict */ uint32_t lowLimit; /* below that point, no more dict */
uint32_t nextToUpdate; /* index from which to continue dictionary update */ uint32_t nextToUpdate; /* index from which to continue dictionary update */
@ -215,18 +216,19 @@ struct LZ4HC_CCtx_internal {
int8_t favorDecSpeed; /* favor decompression speed if this flag set, int8_t favorDecSpeed; /* favor decompression speed if this flag set,
otherwise, favor compression ratio */ otherwise, favor compression ratio */
int8_t dirty; /* stream has to be fully reset if this flag is set */ int8_t dirty; /* stream has to be fully reset if this flag is set */
const LZ4HC_CCtx_internal *dictCtx; const LZ4HC_CCtx_internal* dictCtx;
}; };
#else #else
typedef struct LZ4HC_CCtx_internal LZ4HC_CCtx_internal; typedef struct LZ4HC_CCtx_internal LZ4HC_CCtx_internal;
struct LZ4HC_CCtx_internal { struct LZ4HC_CCtx_internal
{
unsigned int hashTable[LZ4HC_HASHTABLESIZE]; unsigned int hashTable[LZ4HC_HASHTABLESIZE];
unsigned short chainTable[LZ4HC_MAXD]; unsigned short chainTable[LZ4HC_MAXD];
const unsigned char *end; /* next block here to continue on current prefix */ const unsigned char* end; /* next block here to continue on current prefix */
const unsigned char *base; /* All index relative to this position */ const unsigned char* base; /* All index relative to this position */
const unsigned char *dictBase; /* alternate base for extDict */ const unsigned char* dictBase; /* alternate base for extDict */
unsigned int dictLimit; /* below that point, need extDict */ unsigned int dictLimit; /* below that point, need extDict */
unsigned int lowLimit; /* below that point, no more dict */ unsigned int lowLimit; /* below that point, no more dict */
unsigned int nextToUpdate; /* index from which to continue dictionary update */ unsigned int nextToUpdate; /* index from which to continue dictionary update */
@ -234,7 +236,7 @@ struct LZ4HC_CCtx_internal {
char favorDecSpeed; /* favor decompression speed if this flag set, char favorDecSpeed; /* favor decompression speed if this flag set,
otherwise, favor compression ratio */ otherwise, favor compression ratio */
char dirty; /* stream has to be fully reset if this flag is set */ char dirty; /* stream has to be fully reset if this flag is set */
const LZ4HC_CCtx_internal *dictCtx; const LZ4HC_CCtx_internal* dictCtx;
}; };
#endif #endif
@ -267,7 +269,7 @@ union LZ4_streamHC_u {
* Required before first use of a statically allocated LZ4_streamHC_t. * Required before first use of a statically allocated LZ4_streamHC_t.
* Before v1.9.0 : use LZ4_resetStreamHC() instead * Before v1.9.0 : use LZ4_resetStreamHC() instead
*/ */
LZ4LIB_API LZ4_streamHC_t *LZ4_initStreamHC(void *buffer, size_t size); LZ4LIB_API LZ4_streamHC_t* LZ4_initStreamHC (void* buffer, size_t size);
/*-************************************ /*-************************************
@ -276,16 +278,16 @@ LZ4LIB_API LZ4_streamHC_t *LZ4_initStreamHC(void *buffer, size_t size);
/* see lz4.h LZ4_DISABLE_DEPRECATE_WARNINGS to turn off deprecation warnings */ /* see lz4.h LZ4_DISABLE_DEPRECATE_WARNINGS to turn off deprecation warnings */
/* deprecated compression functions */ /* deprecated compression functions */
LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC(const char *source, char *dest, int inputSize); LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC (const char* source, char* dest, int inputSize);
LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput(const char *source, char *dest, int inputSize, int maxOutputSize); LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize);
LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC2(const char *source, char *dest, int inputSize, int compressionLevel); LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC2 (const char* source, char* dest, int inputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput(const char *source, char *dest, int inputSize, int maxOutputSize, int compressionLevel); LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput(const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC_withStateHC(void *state, const char *source, char *dest, int inputSize); LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC_withStateHC (void* state, const char* source, char* dest, int inputSize);
LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput_withStateHC(void *state, const char *source, char *dest, int inputSize, int maxOutputSize); LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput_withStateHC (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);
LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC2_withStateHC(void *state, const char *source, char *dest, int inputSize, int compressionLevel); LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC2_withStateHC (void* state, const char* source, char* dest, int inputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput_withStateHC(void *state, const char *source, char *dest, int inputSize, int maxOutputSize, int compressionLevel); LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput_withStateHC(void* state, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC_continue(LZ4_streamHC_t *LZ4_streamHCPtr, const char *source, char *dest, int inputSize); LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC_continue (LZ4_streamHC_t* LZ4_streamHCPtr, const char* source, char* dest, int inputSize);
LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput_continue(LZ4_streamHC_t *LZ4_streamHCPtr, const char *source, char *dest, int inputSize, int maxOutputSize); LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput_continue (LZ4_streamHC_t* LZ4_streamHCPtr, const char* source, char* dest, int inputSize, int maxOutputSize);
/* Obsolete streaming functions; degraded functionality; do not use! /* Obsolete streaming functions; degraded functionality; do not use!
* *
@ -295,13 +297,13 @@ LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_comp
* LZ4_slideInputBufferHC() will truncate the history of the stream, rather * LZ4_slideInputBufferHC() will truncate the history of the stream, rather
* than preserve a window-sized chunk of history. * than preserve a window-sized chunk of history.
*/ */
LZ4_DEPRECATED("use LZ4_createStreamHC() instead") LZ4LIB_API void *LZ4_createHC(const char *inputBuffer); LZ4_DEPRECATED("use LZ4_createStreamHC() instead") LZ4LIB_API void* LZ4_createHC (const char* inputBuffer);
LZ4_DEPRECATED("use LZ4_saveDictHC() instead") LZ4LIB_API char *LZ4_slideInputBufferHC(void *LZ4HC_Data); LZ4_DEPRECATED("use LZ4_saveDictHC() instead") LZ4LIB_API char* LZ4_slideInputBufferHC (void* LZ4HC_Data);
LZ4_DEPRECATED("use LZ4_freeStreamHC() instead") LZ4LIB_API int LZ4_freeHC(void *LZ4HC_Data); LZ4_DEPRECATED("use LZ4_freeStreamHC() instead") LZ4LIB_API int LZ4_freeHC (void* LZ4HC_Data);
LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_continue(void *LZ4HC_Data, const char *source, char *dest, int inputSize, int compressionLevel); LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput_continue(void *LZ4HC_Data, const char *source, char *dest, int inputSize, int maxOutputSize, int compressionLevel); LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_createStreamHC() instead") LZ4LIB_API int LZ4_sizeofStreamStateHC(void); LZ4_DEPRECATED("use LZ4_createStreamHC() instead") LZ4LIB_API int LZ4_sizeofStreamStateHC(void);
LZ4_DEPRECATED("use LZ4_initStreamHC() instead") LZ4LIB_API int LZ4_resetStreamStateHC(void *state, char *inputBuffer); LZ4_DEPRECATED("use LZ4_initStreamHC() instead") LZ4LIB_API int LZ4_resetStreamStateHC(void* state, char* inputBuffer);
/* LZ4_resetStreamHC() is now replaced by LZ4_initStreamHC(). /* LZ4_resetStreamHC() is now replaced by LZ4_initStreamHC().
@ -312,7 +314,7 @@ LZ4_DEPRECATED("use LZ4_initStreamHC() instead") LZ4LIB_API int LZ4_resetStre
* It is recommended to switch to LZ4_initStreamHC(). * It is recommended to switch to LZ4_initStreamHC().
* LZ4_resetStreamHC() will generate deprecation warnings in a future version. * LZ4_resetStreamHC() will generate deprecation warnings in a future version.
*/ */
LZ4LIB_API void LZ4_resetStreamHC(LZ4_streamHC_t *streamHCPtr, int compressionLevel); LZ4LIB_API void LZ4_resetStreamHC (LZ4_streamHC_t* streamHCPtr, int compressionLevel);
#if defined (__cplusplus) #if defined (__cplusplus)
@ -347,14 +349,14 @@ extern "C" {
* for dynamic adaptation. * for dynamic adaptation.
*/ */
LZ4LIB_STATIC_API void LZ4_setCompressionLevel( LZ4LIB_STATIC_API void LZ4_setCompressionLevel(
LZ4_streamHC_t *LZ4_streamHCPtr, int compressionLevel); LZ4_streamHC_t* LZ4_streamHCPtr, int compressionLevel);
/*! LZ4_favorDecompressionSpeed() : v1.8.2+ (experimental) /*! LZ4_favorDecompressionSpeed() : v1.8.2+ (experimental)
* Opt. Parser will favor decompression speed over compression ratio. * Opt. Parser will favor decompression speed over compression ratio.
* Only applicable to levels >= LZ4HC_CLEVEL_OPT_MIN. * Only applicable to levels >= LZ4HC_CLEVEL_OPT_MIN.
*/ */
LZ4LIB_STATIC_API void LZ4_favorDecompressionSpeed( LZ4LIB_STATIC_API void LZ4_favorDecompressionSpeed(
LZ4_streamHC_t *LZ4_streamHCPtr, int favor); LZ4_streamHC_t* LZ4_streamHCPtr, int favor);
/*! LZ4_resetStreamHC_fast() : v1.9.0+ /*! LZ4_resetStreamHC_fast() : v1.9.0+
* When an LZ4_streamHC_t is known to be in a internally coherent state, * When an LZ4_streamHC_t is known to be in a internally coherent state,
@ -380,7 +382,7 @@ LZ4LIB_STATIC_API void LZ4_favorDecompressionSpeed(
* clear any existing history and settings from the context. * clear any existing history and settings from the context.
*/ */
LZ4LIB_STATIC_API void LZ4_resetStreamHC_fast( LZ4LIB_STATIC_API void LZ4_resetStreamHC_fast(
LZ4_streamHC_t *LZ4_streamHCPtr, int compressionLevel); LZ4_streamHC_t* LZ4_streamHCPtr, int compressionLevel);
/*! LZ4_compress_HC_extStateHC_fastReset() : /*! LZ4_compress_HC_extStateHC_fastReset() :
* A variant of LZ4_compress_HC_extStateHC(). * A variant of LZ4_compress_HC_extStateHC().
@ -393,9 +395,9 @@ LZ4LIB_STATIC_API void LZ4_resetStreamHC_fast(
* LZ4_resetStreamHC_fast() while LZ4_compress_HC_extStateHC() starts with a * LZ4_resetStreamHC_fast() while LZ4_compress_HC_extStateHC() starts with a
* call to LZ4_resetStreamHC(). * call to LZ4_resetStreamHC().
*/ */
LZ4LIB_STATIC_API int LZ4_compress_HC_extStateHC_fastReset( LZ4LIB_STATIC_API int LZ4_compress_HC_extStateHC_fastReset (
void *state, void* state,
const char *src, char *dst, const char* src, char* dst,
int srcSize, int dstCapacity, int srcSize, int dstCapacity,
int compressionLevel); int compressionLevel);