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Merge branch 'master' of github.com:steveicarus/iverilog

This commit is contained in:
Stephen Williams 2015-10-17 17:06:26 -07:00
parent da9f7878bc fbc94a95df
commit a93139f141
3 changed files with 590 additions and 392 deletions
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58
vpi/cppcheck.sup
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@ -234,59 +234,63 @@ unusedFunction:fastlz.c:150
// lz4.c from GTKWave // lz4.c from GTKWave
// These functions are not used by Icarus // These functions are not used by Icarus
// LZ4_compress_continue() // LZ4_compress_continue()
unusedFunction:lz4.c:883 unusedFunction:lz4.c:1460
// LZ4_compress_destSize()
unusedFunction:lz4.c:912
// LZ4_compress_fast_force()
unusedFunction:lz4.c:705
// LZ4_compress_forceExtDict() // LZ4_compress_forceExtDict()
unusedFunction:lz4.c:895 unusedFunction:lz4.c:1063
// LZ4_compress_limitedOutput() // LZ4_compress_limitedOutput()
unusedFunction:lz4.c:730 unusedFunction:lz4.c:1455
// LZ4_compress_limitedOutput_continue() // LZ4_compress_limitedOutput_continue()
unusedFunction:lz4.c:888 unusedFunction:lz4.c:1459
// LZ4_compress_limitedOutput_withState() // LZ4_compress_limitedOutput_withState()
unusedFunction:lz4.c:1343 unusedFunction:lz4.c:1457
// LZ4_compress_withState() // LZ4_compress_withState()
unusedFunction:lz4.c:1332 unusedFunction:lz4.c:1458
// LZ4_create() // LZ4_create()
unusedFunction:lz4.c:1314 unusedFunction:lz4.c:1489
// LZ4_createStream() // LZ4_createStream()
unusedFunction:lz4.c:765 unusedFunction:lz4.c:935
// LZ4_createStreamDecode() // LZ4_createStreamDecode()
unusedFunction:lz4.c:1152 unusedFunction:lz4.c:1319
// LZ4_decompress_fast_continue() // LZ4_decompress_fast_continue()
unusedFunction:lz4.c:1217 unusedFunction:lz4.c:1384
// LZ4_decompress_fast_usingDict() // LZ4_decompress_fast_usingDict()
unusedFunction:lz4.c:1272 unusedFunction:lz4.c:1439
// LZ4_decompress_fast_withPrefix64k() // LZ4_decompress_fast_withPrefix64k()
unusedFunction:lz4.c:1361 unusedFunction:lz4.c:1510
// LZ4_decompress_safe_continue() // LZ4_decompress_safe_continue()
unusedFunction:lz4.c:1188 unusedFunction:lz4.c:1355
// LZ4_decompress_safe_forceExtDict() // LZ4_decompress_safe_forceExtDict()
unusedFunction:lz4.c:1278 unusedFunction:lz4.c:1445
// LZ4_decompress_safe_usingDict() // LZ4_decompress_safe_usingDict()
unusedFunction:lz4.c:1267 unusedFunction:lz4.c:1434
// LZ4_decompress_safe_withPrefix64k() // LZ4_decompress_safe_withPrefix64k()
unusedFunction:lz4.c:1356 unusedFunction:lz4.c:1505
// LZ4_freeStream() // LZ4_freeStream()
unusedFunction:lz4.c:773 unusedFunction:lz4.c:948
// LZ4_freeStreamDecode() // LZ4_freeStreamDecode()
unusedFunction:lz4.c:1158 unusedFunction:lz4.c:1325
// LZ4_loadDict() // LZ4_loadDict()
unusedFunction:lz4.c:780 unusedFunction:lz4.c:956
// LZ4_resetStreamState() // LZ4_resetStreamState()
unusedFunction:lz4.c:1307 unusedFunction:lz4.c:1482
// LZ4_setStreamDecode() // LZ4_setStreamDecode()
unusedFunction:lz4.c:1171 unusedFunction:lz4.c:1338
// LZ4_sizeofState() // LZ4_sizeofState()
unusedFunction:lz4.c:1330 unusedFunction:lz4.c:373
// LZ4_sizeofStreamState() // LZ4_sizeofStreamState()
unusedFunction:lz4.c:1299 unusedFunction:lz4.c:1474
// LZ4_slideInputBuffer() // LZ4_slideInputBuffer()
unusedFunction:lz4.c:1321 unusedFunction:lz4.c:1496
// LZ4_uncompress() // LZ4_uncompress()
unusedFunction:lz4.c:1293 unusedFunction:lz4.c:1468
// LZ4_uncompress_unknownOutputSize() // LZ4_uncompress_unknownOutputSize()
unusedFunction:lz4.c:1294 unusedFunction:lz4.c:1469
// LZ4_versionNumber() // LZ4_versionNumber()
unusedFunction:lz4.c:428 unusedFunction:lz4.c:371
// The routines in sys_random.c are exact copies from IEEE1364-2005 and // The routines in sys_random.c are exact copies from IEEE1364-2005 and
// they have scope warnings that we need to ignore. // they have scope warnings that we need to ignore.

673
vpi/lz4.c
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File diff suppressed because it is too large Load Diff

227
vpi/lz4.h
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@ -1,7 +1,8 @@
/* /*
LZ4 - Fast LZ compression algorithm LZ4 - Fast LZ compression algorithm
Header File Header File
Copyright (C) 2011-2014, Yann Collet. Copyright (C) 2011-2015, Yann Collet.
BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php) BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
Redistribution and use in source and binary forms, with or without Redistribution and use in source and binary forms, with or without
@ -28,7 +29,7 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
You can contact the author at : You can contact the author at :
- LZ4 source repository : http://code.google.com/p/lz4/ - LZ4 source repository : https://github.com/Cyan4973/lz4
- LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
*/ */
#pragma once #pragma once
@ -38,22 +39,22 @@ extern "C" {
#endif #endif
/* /*
* lz4.h provides raw compression format functions, for optimal performance and integration into programs. * lz4.h provides block compression functions, and gives full buffer control to programmer.
* If you need to generate data using an inter-operable format (respecting the framing specification), * If you need to generate inter-operable compressed data (respecting LZ4 frame specification),
* please use lz4frame.h instead. * and can let the library handle its own memory, please use lz4frame.h instead.
*/ */
/************************************** /**************************************
Version * Version
**************************************/ **************************************/
#define LZ4_VERSION_MAJOR 1 /* for breaking interface changes */ #define LZ4_VERSION_MAJOR 1 /* for breaking interface changes */
#define LZ4_VERSION_MINOR 5 /* for new (non-breaking) interface capabilities */ #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_RELEASE 1 /* for tweaks, bug-fixes, or development */
#define LZ4_VERSION_NUMBER (LZ4_VERSION_MAJOR *100*100 + LZ4_VERSION_MINOR *100 + LZ4_VERSION_RELEASE) #define LZ4_VERSION_NUMBER (LZ4_VERSION_MAJOR *100*100 + LZ4_VERSION_MINOR *100 + LZ4_VERSION_RELEASE)
int LZ4_versionNumber (void); int LZ4_versionNumber (void);
/************************************** /**************************************
Tuning parameter * Tuning parameter
**************************************/ **************************************/
/* /*
* LZ4_MEMORY_USAGE : * LZ4_MEMORY_USAGE :
@ -66,77 +67,90 @@ int LZ4_versionNumber (void);
/************************************** /**************************************
Simple Functions * Simple Functions
**************************************/ **************************************/
int LZ4_compress (const char* source, char* dest, int sourceSize); 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_decompress_safe (const char* source, char* dest, int compressedSize, int maxDecompressedSize);
/* /*
LZ4_compress() : LZ4_compress_default() :
Compresses 'sourceSize' bytes from 'source' into 'dest'. Compresses 'sourceSize' bytes from buffer 'source'
Destination buffer must be already allocated, into already allocated 'dest' buffer of size 'maxDestSize'.
and must be sized to handle worst cases situations (input data not compressible) Compression is guaranteed to succeed if 'maxDestSize' >= LZ4_compressBound(sourceSize).
Worst case size evaluation is provided by function LZ4_compressBound() It also runs faster, so it's a recommended setting.
inputSize : Max supported value is LZ4_MAX_INPUT_SIZE If the function cannot compress 'source' into a more limited 'dest' budget,
return : the number of bytes written in buffer dest compression stops *immediately*, and the function result is zero.
or 0 if the compression fails As a consequence, 'dest' content is not valid.
This function never writes outside 'dest' buffer, nor read outside 'source' buffer.
sourceSize : Max supported value is LZ4_MAX_INPUT_VALUE
maxDestSize : full or partial size of buffer 'dest' (which must be already allocated)
return : the number of bytes written into buffer 'dest' (necessarily <= maxOutputSize)
or 0 if compression fails
LZ4_decompress_safe() : LZ4_decompress_safe() :
compressedSize : is obviously the source size compressedSize : is the precise full size of the compressed block.
maxDecompressedSize : is the size of the destination buffer, which must be already allocated. maxDecompressedSize : is the size of destination buffer, which must be already allocated.
return : the number of bytes decompressed into the destination buffer (necessarily <= maxDecompressedSize) return : the number of bytes decompressed into destination buffer (necessarily <= maxDecompressedSize)
If the destination buffer is not large enough, decoding will stop and output an error code (<0). If destination buffer is not large enough, decoding will stop and output an error code (<0).
If the source stream is detected malformed, the function will stop decoding and return a negative result. If the source stream is detected malformed, the function will stop decoding and return a negative result.
This function is protected against buffer overflow exploits, This function is protected against buffer overflow exploits, including malicious data packets.
and never writes outside of output buffer, nor reads outside of input buffer. It never writes outside output buffer, nor reads outside input buffer.
It is also protected against malicious data packets.
*/ */
/************************************** /**************************************
Advanced Functions * Advanced Functions
**************************************/ **************************************/
#define LZ4_MAX_INPUT_SIZE 0x7E000000 /* 2 113 929 216 bytes */ #define LZ4_MAX_INPUT_SIZE 0x7E000000 /* 2 113 929 216 bytes */
#define LZ4_COMPRESSBOUND(isize) ((unsigned int)(isize) > (unsigned int)LZ4_MAX_INPUT_SIZE ? 0 : (isize) + ((isize)/255) + 16) #define LZ4_COMPRESSBOUND(isize) ((unsigned)(isize) > (unsigned)LZ4_MAX_INPUT_SIZE ? 0 : (isize) + ((isize)/255) + 16)
/* /*
LZ4_compressBound() : LZ4_compressBound() :
Provides the maximum size that LZ4 compression may output in a "worst case" scenario (input data not compressible) Provides the maximum size that LZ4 compression may output in a "worst case" scenario (input data not compressible)
This function is primarily useful for memory allocation purposes (output buffer size). This function is primarily useful for memory allocation purposes (destination buffer size).
Macro LZ4_COMPRESSBOUND() is also provided for compilation-time evaluation (stack memory allocation for example). Macro LZ4_COMPRESSBOUND() is also provided for compilation-time evaluation (stack memory allocation for example).
Note that LZ4_compress_default() compress faster when dest buffer size is >= LZ4_compressBound(srcSize)
isize : is the input size. Max supported value is LZ4_MAX_INPUT_SIZE inputSize : max supported value is LZ4_MAX_INPUT_SIZE
return : maximum output size in a "worst case" scenario return : maximum output size in a "worst case" scenario
or 0, if input size is too large ( > LZ4_MAX_INPUT_SIZE) or 0, if input size is too large ( > LZ4_MAX_INPUT_SIZE)
*/ */
int LZ4_compressBound(int isize); int LZ4_compressBound(int inputSize);
/* /*
LZ4_compress_limitedOutput() : LZ4_compress_fast() :
Compress 'sourceSize' bytes from 'source' into an output buffer 'dest' of maximum size 'maxOutputSize'. Same as LZ4_compress_default(), but allows to select an "acceleration" factor.
If it cannot achieve it, compression will stop, and result of the function will be zero. The larger the acceleration value, the faster the algorithm, but also the lesser the compression.
This saves time and memory on detecting non-compressible (or barely compressible) data. It's a trade-off. It can be fine tuned, with each successive value providing roughly +~3% to speed.
This function never writes outside of provided output buffer. An acceleration value of "1" is the same as regular LZ4_compress_default()
Values <= 0 will be replaced by ACCELERATION_DEFAULT (see lz4.c), which is 1.
sourceSize : Max supported value is LZ4_MAX_INPUT_VALUE
maxOutputSize : is the size of the destination buffer (which must be already allocated)
return : the number of bytes written in buffer 'dest'
or 0 if compression fails
*/ */
int LZ4_compress_limitedOutput (const char* source, char* dest, int sourceSize, int maxOutputSize); int LZ4_compress_fast (const char* source, char* dest, int sourceSize, int maxDestSize, int acceleration);
/* /*
LZ4_compress_withState() : LZ4_compress_fast_extState() :
Same compression functions, but using an externally allocated memory space to store compression state. Same compression function, just using an externally allocated memory space to store compression state.
Use LZ4_sizeofState() to know how much memory must be allocated, Use LZ4_sizeofState() to know how much memory must be allocated,
and then, provide it as 'void* state' to compression functions. and allocate it on 8-bytes boundaries (using malloc() typically).
Then, provide it as 'void* state' to compression function.
*/ */
int LZ4_sizeofState(void); int LZ4_sizeofState(void);
int LZ4_compress_withState (void* state, const char* source, char* dest, int inputSize); int LZ4_compress_fast_extState (void* state, const char* source, char* dest, int inputSize, int maxDestSize, int acceleration);
int LZ4_compress_limitedOutput_withState (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);
/*
LZ4_compress_destSize() :
Reverse the logic, by compressing as much data as possible from 'source' buffer
into already allocated buffer 'dest' of size 'targetDestSize'.
This function either compresses the entire 'source' content into 'dest' if it's large enough,
or fill 'dest' buffer completely with as much data as possible from 'source'.
*sourceSizePtr : will be modified to indicate how many bytes where read from 'source' to fill 'dest'.
New value is necessarily <= old value.
return : Nb bytes written into 'dest' (necessarily <= targetDestSize)
or 0 if compression fails
*/
int LZ4_compress_destSize (const char* source, char* dest, int* sourceSizePtr, int targetDestSize);
/* /*
@ -152,7 +166,6 @@ LZ4_decompress_fast() :
*/ */
int LZ4_decompress_fast (const char* source, char* dest, int originalSize); int LZ4_decompress_fast (const char* source, char* dest, int originalSize);
/* /*
LZ4_decompress_safe_partial() : LZ4_decompress_safe_partial() :
This function decompress a compressed block of size 'compressedSize' at position 'source' This function decompress a compressed block of size 'compressedSize' at position 'source'
@ -169,9 +182,8 @@ int LZ4_decompress_safe_partial (const char* source, char* dest, int compressedS
/*********************************************** /***********************************************
Streaming Compression Functions * Streaming Compression Functions
***********************************************/ ***********************************************/
#define LZ4_STREAMSIZE_U64 ((1 << (LZ4_MEMORY_USAGE-3)) + 4) #define LZ4_STREAMSIZE_U64 ((1 << (LZ4_MEMORY_USAGE-3)) + 4)
#define LZ4_STREAMSIZE (LZ4_STREAMSIZE_U64 * sizeof(long long)) #define LZ4_STREAMSIZE (LZ4_STREAMSIZE_U64 * sizeof(long long))
/* /*
@ -187,7 +199,7 @@ typedef struct { long long table[LZ4_STREAMSIZE_U64]; } LZ4_stream_t;
* LZ4_resetStream * LZ4_resetStream
* Use this function to init an allocated LZ4_stream_t structure * Use this function to init an allocated LZ4_stream_t structure
*/ */
void LZ4_resetStream (LZ4_stream_t* LZ4_streamPtr); void LZ4_resetStream (LZ4_stream_t* streamPtr);
/* /*
* LZ4_createStream will allocate and initialize an LZ4_stream_t structure * LZ4_createStream will allocate and initialize an LZ4_stream_t structure
@ -196,7 +208,7 @@ void LZ4_resetStream (LZ4_stream_t* LZ4_streamPtr);
* They are more future proof, in case of a change of LZ4_stream_t size. * They are more future proof, in case of a change of LZ4_stream_t size.
*/ */
LZ4_stream_t* LZ4_createStream(void); LZ4_stream_t* LZ4_createStream(void);
int LZ4_freeStream (LZ4_stream_t* LZ4_streamPtr); int LZ4_freeStream (LZ4_stream_t* streamPtr);
/* /*
* LZ4_loadDict * LZ4_loadDict
@ -205,36 +217,31 @@ int LZ4_freeStream (LZ4_stream_t* LZ4_streamPtr);
* Loading a size of 0 is allowed. * Loading a size of 0 is allowed.
* Return : dictionary size, in bytes (necessarily <= 64 KB) * Return : dictionary size, in bytes (necessarily <= 64 KB)
*/ */
int LZ4_loadDict (LZ4_stream_t* LZ4_streamPtr, const char* dictionary, int dictSize); int LZ4_loadDict (LZ4_stream_t* streamPtr, const char* dictionary, int dictSize);
/* /*
* LZ4_compress_continue * LZ4_compress_fast_continue
* Compress data block 'source', using blocks compressed before as dictionary to improve compression ratio * Compress buffer content 'src', using data from previously compressed blocks as dictionary to improve compression ratio.
* Previous data blocks are assumed to still be present at their previous location. * Important : Previous data blocks are assumed to still be present and unmodified !
* 'dst' buffer must be already allocated.
* If maxDstSize >= LZ4_compressBound(srcSize), compression is guaranteed to succeed, and runs faster.
* If not, and if compressed data cannot fit into 'dst' buffer size, compression stops, and function returns a zero.
*/ */
int LZ4_compress_continue (LZ4_stream_t* LZ4_streamPtr, const char* source, char* dest, int inputSize); int LZ4_compress_fast_continue (LZ4_stream_t* streamPtr, const char* src, char* dst, int srcSize, int maxDstSize, int acceleration);
/*
* LZ4_compress_limitedOutput_continue
* Same as before, but also specify a maximum target compressed size (maxOutputSize)
* If objective cannot be met, compression exits, and returns a zero.
*/
int LZ4_compress_limitedOutput_continue (LZ4_stream_t* LZ4_streamPtr, const char* source, char* dest, int inputSize, int maxOutputSize);
/* /*
* LZ4_saveDict * LZ4_saveDict
* If previously compressed data block is not guaranteed to remain available at its memory location * If previously compressed data block is not guaranteed to remain available at its memory location
* save it into a safer place (char* safeBuffer) * save it into a safer place (char* safeBuffer)
* Note : you don't need to call LZ4_loadDict() afterwards, * Note : you don't need to call LZ4_loadDict() afterwards,
* dictionary is immediately usable, you can therefore call again LZ4_compress_continue() * dictionary is immediately usable, you can therefore call LZ4_compress_fast_continue()
* Return : dictionary size in bytes, or 0 if error * Return : saved dictionary size in bytes (necessarily <= dictSize), or 0 if error
* Note : any dictSize > 64 KB will be interpreted as 64KB.
*/ */
int LZ4_saveDict (LZ4_stream_t* LZ4_streamPtr, char* safeBuffer, int dictSize); int LZ4_saveDict (LZ4_stream_t* streamPtr, char* safeBuffer, int dictSize);
/************************************************ /************************************************
Streaming Decompression Functions * Streaming Decompression Functions
************************************************/ ************************************************/
#define LZ4_STREAMDECODESIZE_U64 4 #define LZ4_STREAMDECODESIZE_U64 4
@ -265,8 +272,18 @@ int LZ4_setStreamDecode (LZ4_streamDecode_t* LZ4_streamDecode, const char* dicti
*_continue() : *_continue() :
These decoding functions allow decompression of multiple blocks in "streaming" mode. These decoding functions allow decompression of multiple blocks in "streaming" mode.
Previously decoded blocks *must* remain available at the memory position where they were decoded (up to 64 KB) Previously decoded blocks *must* remain available at the memory position where they were decoded (up to 64 KB)
If this condition is not possible, save the relevant part of decoded data into a safe buffer, In the case of a ring buffers, decoding buffer must be either :
and indicate where is its new address using LZ4_setStreamDecode() - Exactly same size as encoding buffer, with same update rule (block boundaries at same positions)
In which case, the decoding & encoding ring buffer can have any size, including very small ones ( < 64 KB).
- Larger than encoding buffer, by a minimum of maxBlockSize more bytes.
maxBlockSize is implementation dependent. It's the maximum size you intend to compress into a single block.
In which case, encoding and decoding buffers do not need to be synchronized,
and encoding ring buffer can have any size, including small ones ( < 64 KB).
- _At least_ 64 KB + 8 bytes + maxBlockSize.
In which case, encoding and decoding buffers do not need to be synchronized,
and encoding ring buffer can have any size, including larger than decoding buffer.
Whenever these conditions are not possible, save the last 64KB of decoded data into a safe buffer,
and indicate where it is saved using LZ4_setStreamDecode()
*/ */
int LZ4_decompress_safe_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* source, char* dest, int compressedSize, int maxDecompressedSize); 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_fast_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* source, char* dest, int originalSize);
@ -276,8 +293,8 @@ int LZ4_decompress_fast_continue (LZ4_streamDecode_t* LZ4_streamDecode, const ch
Advanced decoding functions : Advanced decoding functions :
*_usingDict() : *_usingDict() :
These decoding functions work the same as These decoding functions work the same as
a combination of LZ4_setDictDecode() followed by LZ4_decompress_x_continue() a combination of LZ4_setStreamDecode() followed by LZ4_decompress_x_continue()
They are stand-alone and don't use nor update an LZ4_streamDecode_t structure. They are stand-alone. They don't need nor update an LZ4_streamDecode_t structure.
*/ */
int LZ4_decompress_safe_usingDict (const char* source, char* dest, int compressedSize, int maxDecompressedSize, const char* dictStart, int dictSize); 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_decompress_fast_usingDict (const char* source, char* dest, int originalSize, const char* dictStart, int dictSize);
@ -285,29 +302,57 @@ int LZ4_decompress_fast_usingDict (const char* source, char* dest, int originalS
/************************************** /**************************************
Obsolete Functions * Obsolete Functions
**************************************/ **************************************/
/* /* Deprecate Warnings */
Obsolete decompression functions /* Should these warnings messages be a problem,
These function names are deprecated and should no longer be used. it is generally possible to disable them,
They are only provided here for compatibility with older user programs. with -Wno-deprecated-declarations for gcc
- LZ4_uncompress is the same as LZ4_decompress_fast or _CRT_SECURE_NO_WARNINGS in Visual for example.
- LZ4_uncompress_unknownOutputSize is the same as LZ4_decompress_safe You can also define LZ4_DEPRECATE_WARNING_DEFBLOCK. */
These function prototypes are now disabled; uncomment them if you really need them. #ifndef LZ4_DEPRECATE_WARNING_DEFBLOCK
It is highly recommended to stop using these functions and migrate to newer ones */ # define LZ4_DEPRECATE_WARNING_DEFBLOCK
# define LZ4_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
# if (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)
# define LZ4_DEPRECATED(message) __declspec(deprecated(message))
# else
# pragma message("WARNING: You need to implement LZ4_DEPRECATED for this compiler")
# define LZ4_DEPRECATED(message)
# endif
#endif /* LZ4_DEPRECATE_WARNING_DEFBLOCK */
/* Obsolete compression functions */
/* These functions are planned to start generate warnings by r131 approximately */
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);
/* Obsolete decompression functions */
/* These function names are completely deprecated and must no longer be used.
They are only provided here for compatibility with older programs.
- LZ4_uncompress is the same as LZ4_decompress_fast
- LZ4_uncompress_unknownOutputSize is the same as LZ4_decompress_safe
These function prototypes are now disabled; uncomment them only if you really need them.
It is highly recommended to stop using these prototypes and migrate to maintained ones */
/* int LZ4_uncompress (const char* source, char* dest, int outputSize); */ /* 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_uncompress_unknownOutputSize (const char* source, char* dest, int isize, int maxOutputSize); */
/* Obsolete streaming functions; use new streaming interface whenever possible */ /* Obsolete streaming functions; use new streaming interface whenever possible */
void* LZ4_create (const char* inputBuffer); LZ4_DEPRECATED("use LZ4_createStream() instead") void* LZ4_create (char* inputBuffer);
int LZ4_sizeofStreamState(void); LZ4_DEPRECATED("use LZ4_createStream() instead") int LZ4_sizeofStreamState(void);
int LZ4_resetStreamState(void* state, const char* inputBuffer); LZ4_DEPRECATED("use LZ4_resetStream() instead") int LZ4_resetStreamState(void* state, char* inputBuffer);
char* LZ4_slideInputBuffer (void* state); LZ4_DEPRECATED("use LZ4_saveDict() instead") char* LZ4_slideInputBuffer (void* state);
/* Obsolete streaming decoding functions */ /* Obsolete streaming decoding functions */
int LZ4_decompress_safe_withPrefix64k (const char* source, char* dest, int compressedSize, int maxOutputSize); LZ4_DEPRECATED("use LZ4_decompress_safe_usingDict() instead") int LZ4_decompress_safe_withPrefix64k (const char* src, char* dst, int compressedSize, int maxDstSize);
int LZ4_decompress_fast_withPrefix64k (const char* source, char* dest, int originalSize); LZ4_DEPRECATED("use LZ4_decompress_fast_usingDict() instead") int LZ4_decompress_fast_withPrefix64k (const char* src, char* dst, int originalSize);
#if defined (__cplusplus) #if defined (__cplusplus)