mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-10 14:52:01 +00:00
Update LZ4 to 1.7.5.
git-svn-id: https://svn.eduke32.com/eduke32@6181 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266
parent
95826e79b3
commit
7d6a0d965b
6 changed files with 633 additions and 581 deletions
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
LZ4 - Fast LZ compression algorithm
|
||||
Header File
|
||||
Copyright (C) 2011-2015, Yann Collet.
|
||||
* LZ4 - Fast LZ compression algorithm
|
||||
* Header File
|
||||
* Copyright (C) 2011-2016, Yann Collet.
|
||||
|
||||
BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
|
||||
|
||||
|
|
@ -29,34 +29,79 @@
|
|||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
You can contact the author at :
|
||||
- LZ4 source repository : https://github.com/Cyan4973/lz4
|
||||
- LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
|
||||
- LZ4 homepage : http://www.lz4.org
|
||||
- LZ4 source repository : https://github.com/lz4/lz4
|
||||
*/
|
||||
#pragma once
|
||||
#ifndef LZ4_H_2983827168210
|
||||
#define LZ4_H_2983827168210
|
||||
|
||||
#if defined (__cplusplus)
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* lz4.h provides block compression functions, and gives full buffer control to programmer.
|
||||
* If you need to generate inter-operable compressed data (respecting LZ4 frame specification),
|
||||
* and can let the library handle its own memory, please use lz4frame.h instead.
|
||||
/* --- Dependency --- */
|
||||
#include <stddef.h> /* size_t */
|
||||
|
||||
|
||||
/**
|
||||
Introduction
|
||||
|
||||
LZ4 is lossless compression algorithm, providing compression speed at 400 MB/s per core,
|
||||
scalable with multi-cores CPU. It features an extremely fast decoder, with speed in
|
||||
multiple GB/s per core, typically reaching RAM speed limits on multi-core systems.
|
||||
|
||||
The LZ4 compression library provides in-memory compression and decompression functions.
|
||||
Compression can be done in:
|
||||
- a single step (described as Simple Functions)
|
||||
- a single step, reusing a context (described in Advanced Functions)
|
||||
- unbounded multiple steps (described as Streaming compression)
|
||||
|
||||
lz4.h provides block compression functions. It gives full buffer control to user.
|
||||
Decompressing an lz4-compressed block also requires metadata (such as compressed size).
|
||||
Each application is free to encode such metadata in whichever way it wants.
|
||||
|
||||
An additional format, called LZ4 frame specification (doc/lz4_Frame_format.md),
|
||||
take care of encoding standard metadata alongside LZ4-compressed blocks.
|
||||
If your application requires interoperability, it's recommended to use it.
|
||||
A library is provided to take care of it, see lz4frame.h.
|
||||
*/
|
||||
|
||||
/**************************************
|
||||
* Version
|
||||
**************************************/
|
||||
/*^***************************************************************
|
||||
* Export parameters
|
||||
*****************************************************************/
|
||||
/*
|
||||
* LZ4_DLL_EXPORT :
|
||||
* Enable exporting of functions when building a Windows DLL
|
||||
*/
|
||||
#if defined(LZ4_DLL_EXPORT) && (LZ4_DLL_EXPORT==1)
|
||||
# define LZ4LIB_API __declspec(dllexport)
|
||||
#elif defined(LZ4_DLL_IMPORT) && (LZ4_DLL_IMPORT==1)
|
||||
# define LZ4LIB_API __declspec(dllimport) /* It isn't required but allows to generate better code, saving a function pointer load from the IAT and an indirect jump.*/
|
||||
#else
|
||||
# define LZ4LIB_API
|
||||
#endif
|
||||
|
||||
|
||||
/*========== Version =========== */
|
||||
#define LZ4_VERSION_MAJOR 1 /* for breaking interface changes */
|
||||
#define LZ4_VERSION_MINOR 7 /* for new (non-breaking) interface capabilities */
|
||||
#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)
|
||||
int LZ4_versionNumber (void);
|
||||
#define LZ4_VERSION_RELEASE 5 /* for tweaks, bug-fixes, or development */
|
||||
|
||||
/**************************************
|
||||
#define LZ4_VERSION_NUMBER (LZ4_VERSION_MAJOR *100*100 + LZ4_VERSION_MINOR *100 + LZ4_VERSION_RELEASE)
|
||||
|
||||
#define LZ4_LIB_VERSION LZ4_VERSION_MAJOR.LZ4_VERSION_MINOR.LZ4_VERSION_RELEASE
|
||||
#define LZ4_QUOTE(str) #str
|
||||
#define LZ4_EXPAND_AND_QUOTE(str) LZ4_QUOTE(str)
|
||||
#define LZ4_VERSION_STRING LZ4_EXPAND_AND_QUOTE(LZ4_LIB_VERSION)
|
||||
|
||||
LZ4LIB_API int LZ4_versionNumber (void);
|
||||
LZ4LIB_API const char* LZ4_versionString (void);
|
||||
|
||||
|
||||
/*-************************************
|
||||
* Tuning parameter
|
||||
**************************************/
|
||||
/*
|
||||
/*!
|
||||
* LZ4_MEMORY_USAGE :
|
||||
* Memory usage formula : N->2^N Bytes (examples : 10 -> 1KB; 12 -> 4KB ; 16 -> 64KB; 20 -> 1MB; etc.)
|
||||
* Increasing memory usage improves compression ratio
|
||||
|
|
@ -66,15 +111,10 @@ int LZ4_versionNumber (void);
|
|||
#define LZ4_MEMORY_USAGE 14
|
||||
|
||||
|
||||
/**************************************
|
||||
/*-************************************
|
||||
* Simple Functions
|
||||
**************************************/
|
||||
|
||||
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);
|
||||
|
||||
/*
|
||||
LZ4_compress_default() :
|
||||
/*! LZ4_compress_default() :
|
||||
Compresses 'sourceSize' bytes from buffer 'source'
|
||||
into already allocated 'dest' buffer of size 'maxDestSize'.
|
||||
Compression is guaranteed to succeed if 'maxDestSize' >= LZ4_compressBound(sourceSize).
|
||||
|
|
@ -86,9 +126,10 @@ LZ4_compress_default() :
|
|||
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
|
||||
or 0 if compression fails */
|
||||
LZ4LIB_API int LZ4_compress_default(const char* source, char* dest, int sourceSize, int maxDestSize);
|
||||
|
||||
LZ4_decompress_safe() :
|
||||
/*! LZ4_decompress_safe() :
|
||||
compressedSize : is the precise full size of the compressed block.
|
||||
maxDecompressedSize : is the size of destination buffer, which must be already allocated.
|
||||
return : the number of bytes decompressed into destination buffer (necessarily <= maxDecompressedSize)
|
||||
|
|
@ -97,15 +138,16 @@ LZ4_decompress_safe() :
|
|||
This function is protected against buffer overflow exploits, including malicious data packets.
|
||||
It never writes outside output buffer, nor reads outside input buffer.
|
||||
*/
|
||||
LZ4LIB_API int LZ4_decompress_safe (const char* source, char* dest, int compressedSize, int maxDecompressedSize);
|
||||
|
||||
|
||||
/**************************************
|
||||
/*-************************************
|
||||
* Advanced Functions
|
||||
**************************************/
|
||||
#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)
|
||||
|
||||
/*
|
||||
/*!
|
||||
LZ4_compressBound() :
|
||||
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 (destination buffer size).
|
||||
|
|
@ -115,9 +157,9 @@ LZ4_compressBound() :
|
|||
return : maximum output size in a "worst case" scenario
|
||||
or 0, if input size is too large ( > LZ4_MAX_INPUT_SIZE)
|
||||
*/
|
||||
int LZ4_compressBound(int inputSize);
|
||||
LZ4LIB_API int LZ4_compressBound(int inputSize);
|
||||
|
||||
/*
|
||||
/*!
|
||||
LZ4_compress_fast() :
|
||||
Same as LZ4_compress_default(), but allows to select an "acceleration" factor.
|
||||
The larger the acceleration value, the faster the algorithm, but also the lesser the compression.
|
||||
|
|
@ -125,21 +167,21 @@ LZ4_compress_fast() :
|
|||
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.
|
||||
*/
|
||||
int LZ4_compress_fast (const char* source, char* dest, int sourceSize, int maxDestSize, int acceleration);
|
||||
LZ4LIB_API int LZ4_compress_fast (const char* source, char* dest, int sourceSize, int maxDestSize, int acceleration);
|
||||
|
||||
|
||||
/*
|
||||
/*!
|
||||
LZ4_compress_fast_extState() :
|
||||
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,
|
||||
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_compress_fast_extState (void* state, const char* source, char* dest, int inputSize, int maxDestSize, int acceleration);
|
||||
LZ4LIB_API int LZ4_sizeofState(void);
|
||||
LZ4LIB_API int LZ4_compress_fast_extState (void* state, const char* source, char* dest, int inputSize, int maxDestSize, int acceleration);
|
||||
|
||||
|
||||
/*
|
||||
/*!
|
||||
LZ4_compress_destSize() :
|
||||
Reverse the logic, by compressing as much data as possible from 'source' buffer
|
||||
into already allocated buffer 'dest' of size 'targetDestSize'.
|
||||
|
|
@ -150,10 +192,10 @@ LZ4_compress_destSize() :
|
|||
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);
|
||||
LZ4LIB_API int LZ4_compress_destSize (const char* source, char* dest, int* sourceSizePtr, int targetDestSize);
|
||||
|
||||
|
||||
/*
|
||||
/*!
|
||||
LZ4_decompress_fast() :
|
||||
originalSize : is the original and therefore uncompressed size
|
||||
return : the number of bytes read from the source buffer (in other words, the compressed size)
|
||||
|
|
@ -164,9 +206,9 @@ LZ4_decompress_fast() :
|
|||
However, it does not provide any protection against intentionally modified data stream (malicious input).
|
||||
Use this function in trusted environment only (data to decode comes from a trusted source).
|
||||
*/
|
||||
int LZ4_decompress_fast (const char* source, char* dest, int originalSize);
|
||||
LZ4LIB_API int LZ4_decompress_fast (const char* source, char* dest, int originalSize);
|
||||
|
||||
/*
|
||||
/*!
|
||||
LZ4_decompress_safe_partial() :
|
||||
This function decompress a compressed block of size 'compressedSize' at position 'source'
|
||||
into destination buffer 'dest' of size 'maxDecompressedSize'.
|
||||
|
|
@ -178,98 +220,73 @@ LZ4_decompress_safe_partial() :
|
|||
If the source stream is detected malformed, the function will stop decoding and return a negative result.
|
||||
This function never writes outside of output buffer, and never reads outside of input buffer. It is therefore protected against malicious data packets
|
||||
*/
|
||||
int LZ4_decompress_safe_partial (const char* source, char* dest, int compressedSize, int targetOutputSize, int maxDecompressedSize);
|
||||
LZ4LIB_API int LZ4_decompress_safe_partial (const char* source, char* dest, int compressedSize, int targetOutputSize, int maxDecompressedSize);
|
||||
|
||||
|
||||
/***********************************************
|
||||
/*-*********************************************
|
||||
* Streaming Compression Functions
|
||||
***********************************************/
|
||||
#define LZ4_STREAMSIZE_U64 ((1 << (LZ4_MEMORY_USAGE-3)) + 4)
|
||||
#define LZ4_STREAMSIZE (LZ4_STREAMSIZE_U64 * sizeof(long long))
|
||||
/*
|
||||
* LZ4_stream_t
|
||||
* information structure to track an LZ4 stream.
|
||||
* important : init this structure content before first use !
|
||||
* note : only allocated directly the structure if you are statically linking LZ4
|
||||
* If you are using liblz4 as a DLL, please use below construction methods instead.
|
||||
typedef union LZ4_stream_u LZ4_stream_t; /* incomplete type (defined later) */
|
||||
|
||||
/*! LZ4_createStream() and LZ4_freeStream() :
|
||||
* LZ4_createStream() will allocate and initialize an `LZ4_stream_t` structure.
|
||||
* LZ4_freeStream() releases its memory.
|
||||
*/
|
||||
typedef struct { long long table[LZ4_STREAMSIZE_U64]; } LZ4_stream_t;
|
||||
LZ4LIB_API LZ4_stream_t* LZ4_createStream(void);
|
||||
LZ4LIB_API int LZ4_freeStream (LZ4_stream_t* streamPtr);
|
||||
|
||||
/*
|
||||
* LZ4_resetStream
|
||||
* Use this function to init an allocated LZ4_stream_t structure
|
||||
/*! LZ4_resetStream() :
|
||||
* An LZ4_stream_t structure can be allocated once and re-used multiple times.
|
||||
* Use this function to init an allocated `LZ4_stream_t` structure and start a new compression.
|
||||
*/
|
||||
void LZ4_resetStream (LZ4_stream_t* streamPtr);
|
||||
LZ4LIB_API void LZ4_resetStream (LZ4_stream_t* streamPtr);
|
||||
|
||||
/*
|
||||
* LZ4_createStream will allocate and initialize an LZ4_stream_t structure
|
||||
* LZ4_freeStream releases its memory.
|
||||
* In the context of a DLL (liblz4), please use these methods rather than the static struct.
|
||||
* They are more future proof, in case of a change of LZ4_stream_t size.
|
||||
/*! LZ4_loadDict() :
|
||||
* Use this function to load a static dictionary into LZ4_stream.
|
||||
* Any previous data will be forgotten, only 'dictionary' will remain in memory.
|
||||
* Loading a size of 0 is allowed.
|
||||
* Return : dictionary size, in bytes (necessarily <= 64 KB)
|
||||
*/
|
||||
LZ4_stream_t* LZ4_createStream(void);
|
||||
int LZ4_freeStream (LZ4_stream_t* streamPtr);
|
||||
LZ4LIB_API int LZ4_loadDict (LZ4_stream_t* streamPtr, const char* dictionary, int dictSize);
|
||||
|
||||
/*
|
||||
* LZ4_loadDict
|
||||
* Use this function to load a static dictionary into LZ4_stream.
|
||||
* Any previous data will be forgotten, only 'dictionary' will remain in memory.
|
||||
* Loading a size of 0 is allowed.
|
||||
* Return : dictionary size, in bytes (necessarily <= 64 KB)
|
||||
/*! LZ4_compress_fast_continue() :
|
||||
* Compress buffer content 'src', using data from previously compressed blocks as dictionary to improve compression ratio.
|
||||
* 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_loadDict (LZ4_stream_t* streamPtr, const char* dictionary, int dictSize);
|
||||
LZ4LIB_API int LZ4_compress_fast_continue (LZ4_stream_t* streamPtr, const char* src, char* dst, int srcSize, int maxDstSize, int acceleration);
|
||||
|
||||
/*
|
||||
* LZ4_compress_fast_continue
|
||||
* Compress buffer content 'src', using data from previously compressed blocks as dictionary to improve compression ratio.
|
||||
* 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.
|
||||
/*! LZ4_saveDict() :
|
||||
* If previously compressed data block is not guaranteed to remain available at its memory location,
|
||||
* save it into a safer place (char* safeBuffer).
|
||||
* Note : you don't need to call LZ4_loadDict() afterwards,
|
||||
* dictionary is immediately usable, you can therefore call LZ4_compress_fast_continue().
|
||||
* Return : saved dictionary size in bytes (necessarily <= dictSize), or 0 if error.
|
||||
*/
|
||||
int LZ4_compress_fast_continue (LZ4_stream_t* streamPtr, const char* src, char* dst, int srcSize, int maxDstSize, int acceleration);
|
||||
|
||||
/*
|
||||
* LZ4_saveDict
|
||||
* If previously compressed data block is not guaranteed to remain available at its memory location
|
||||
* save it into a safer place (char* safeBuffer)
|
||||
* Note : you don't need to call LZ4_loadDict() afterwards,
|
||||
* dictionary is immediately usable, you can therefore call LZ4_compress_fast_continue()
|
||||
* Return : saved dictionary size in bytes (necessarily <= dictSize), or 0 if error
|
||||
*/
|
||||
int LZ4_saveDict (LZ4_stream_t* streamPtr, char* safeBuffer, int dictSize);
|
||||
LZ4LIB_API int LZ4_saveDict (LZ4_stream_t* streamPtr, char* safeBuffer, int dictSize);
|
||||
|
||||
|
||||
/************************************************
|
||||
/*-**********************************************
|
||||
* Streaming Decompression Functions
|
||||
* Bufferless synchronous API
|
||||
************************************************/
|
||||
typedef union LZ4_streamDecode_u LZ4_streamDecode_t; /* incomplete type (defined later) */
|
||||
|
||||
#define LZ4_STREAMDECODESIZE_U64 4
|
||||
#define LZ4_STREAMDECODESIZE (LZ4_STREAMDECODESIZE_U64 * sizeof(unsigned long long))
|
||||
typedef struct { unsigned long long table[LZ4_STREAMDECODESIZE_U64]; } LZ4_streamDecode_t;
|
||||
/*
|
||||
* LZ4_streamDecode_t
|
||||
* information structure to track an LZ4 stream.
|
||||
* init this structure content using LZ4_setStreamDecode or memset() before first use !
|
||||
*
|
||||
* In the context of a DLL (liblz4) please prefer usage of construction methods below.
|
||||
* They are more future proof, in case of a change of LZ4_streamDecode_t size in the future.
|
||||
* LZ4_createStreamDecode will allocate and initialize an LZ4_streamDecode_t structure
|
||||
* LZ4_freeStreamDecode releases its memory.
|
||||
/* creation / destruction of streaming decompression tracking structure */
|
||||
LZ4LIB_API LZ4_streamDecode_t* LZ4_createStreamDecode(void);
|
||||
LZ4LIB_API int LZ4_freeStreamDecode (LZ4_streamDecode_t* LZ4_stream);
|
||||
|
||||
/*! LZ4_setStreamDecode() :
|
||||
* Use this function to instruct where to find the dictionary.
|
||||
* Setting a size of 0 is allowed (same effect as reset).
|
||||
* @return : 1 if OK, 0 if error
|
||||
*/
|
||||
LZ4_streamDecode_t* LZ4_createStreamDecode(void);
|
||||
int LZ4_freeStreamDecode (LZ4_streamDecode_t* LZ4_stream);
|
||||
LZ4LIB_API int LZ4_setStreamDecode (LZ4_streamDecode_t* LZ4_streamDecode, const char* dictionary, int dictSize);
|
||||
|
||||
/*
|
||||
* LZ4_setStreamDecode
|
||||
* Use this function to instruct where to find the dictionary.
|
||||
* Setting a size of 0 is allowed (same effect as reset).
|
||||
* Return : 1 if OK, 0 if error
|
||||
*/
|
||||
int LZ4_setStreamDecode (LZ4_streamDecode_t* LZ4_streamDecode, const char* dictionary, int dictSize);
|
||||
|
||||
/*
|
||||
*_continue() :
|
||||
/*!
|
||||
LZ4_decompress_*_continue() :
|
||||
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)
|
||||
In the case of a ring buffers, decoding buffer must be either :
|
||||
|
|
@ -285,35 +302,120 @@ int LZ4_setStreamDecode (LZ4_streamDecode_t* LZ4_streamDecode, const char* dicti
|
|||
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_fast_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* source, char* dest, int originalSize);
|
||||
LZ4LIB_API int LZ4_decompress_safe_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* source, char* dest, int compressedSize, int maxDecompressedSize);
|
||||
LZ4LIB_API int LZ4_decompress_fast_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* source, char* dest, int originalSize);
|
||||
|
||||
|
||||
/*
|
||||
Advanced decoding functions :
|
||||
*_usingDict() :
|
||||
These decoding functions work the same as
|
||||
a combination of LZ4_setStreamDecode() followed by LZ4_decompress_x_continue()
|
||||
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_fast_usingDict (const char* source, char* dest, int originalSize, const char* dictStart, int dictSize);
|
||||
/*! LZ4_decompress_*_usingDict() :
|
||||
* These decoding functions work the same as
|
||||
* a combination of LZ4_setStreamDecode() followed by LZ4_decompress_*_continue()
|
||||
* They are stand-alone, and don't need an LZ4_streamDecode_t structure.
|
||||
*/
|
||||
LZ4LIB_API int LZ4_decompress_safe_usingDict (const char* source, char* dest, int compressedSize, int maxDecompressedSize, const char* dictStart, int dictSize);
|
||||
LZ4LIB_API int LZ4_decompress_fast_usingDict (const char* source, char* dest, int originalSize, const char* dictStart, int dictSize);
|
||||
|
||||
|
||||
/*^**********************************************
|
||||
* !!!!!! STATIC LINKING ONLY !!!!!!
|
||||
***********************************************/
|
||||
/*-************************************
|
||||
* Private definitions
|
||||
**************************************
|
||||
* Do not use these definitions.
|
||||
* They are exposed to allow static allocation of `LZ4_stream_t` and `LZ4_streamDecode_t`.
|
||||
* Using these definitions will expose code to API and/or ABI break in future versions of the library.
|
||||
**************************************/
|
||||
#define LZ4_HASHLOG (LZ4_MEMORY_USAGE-2)
|
||||
#define LZ4_HASHTABLESIZE (1 << LZ4_MEMORY_USAGE)
|
||||
#define LZ4_HASH_SIZE_U32 (1 << LZ4_HASHLOG) /* required as macro for static allocation */
|
||||
|
||||
/**************************************
|
||||
#if defined(__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
|
||||
#include <stdint.h>
|
||||
|
||||
typedef struct {
|
||||
uint32_t hashTable[LZ4_HASH_SIZE_U32];
|
||||
uint32_t currentOffset;
|
||||
uint32_t initCheck;
|
||||
const uint8_t* dictionary;
|
||||
uint8_t* bufferStart; /* obsolete, used for slideInputBuffer */
|
||||
uint32_t dictSize;
|
||||
} LZ4_stream_t_internal;
|
||||
|
||||
typedef struct {
|
||||
const uint8_t* externalDict;
|
||||
size_t extDictSize;
|
||||
const uint8_t* prefixEnd;
|
||||
size_t prefixSize;
|
||||
} LZ4_streamDecode_t_internal;
|
||||
|
||||
#else
|
||||
|
||||
typedef struct {
|
||||
unsigned int hashTable[LZ4_HASH_SIZE_U32];
|
||||
unsigned int currentOffset;
|
||||
unsigned int initCheck;
|
||||
const unsigned char* dictionary;
|
||||
unsigned char* bufferStart; /* obsolete, used for slideInputBuffer */
|
||||
unsigned int dictSize;
|
||||
} LZ4_stream_t_internal;
|
||||
|
||||
typedef struct {
|
||||
const unsigned char* externalDict;
|
||||
size_t extDictSize;
|
||||
const unsigned char* prefixEnd;
|
||||
size_t prefixSize;
|
||||
} LZ4_streamDecode_t_internal;
|
||||
|
||||
#endif
|
||||
|
||||
/*!
|
||||
* LZ4_stream_t :
|
||||
* information structure to track an LZ4 stream.
|
||||
* init this structure before first use.
|
||||
* note : only use in association with static linking !
|
||||
* this definition is not API/ABI safe,
|
||||
* and may change in a future version !
|
||||
*/
|
||||
#define LZ4_STREAMSIZE_U64 ((1 << (LZ4_MEMORY_USAGE-3)) + 4)
|
||||
#define LZ4_STREAMSIZE (LZ4_STREAMSIZE_U64 * sizeof(unsigned long long))
|
||||
union LZ4_stream_u {
|
||||
unsigned long long table[LZ4_STREAMSIZE_U64];
|
||||
LZ4_stream_t_internal internal_donotuse;
|
||||
} ; /* previously typedef'd to LZ4_stream_t */
|
||||
|
||||
|
||||
/*!
|
||||
* LZ4_streamDecode_t :
|
||||
* information structure to track an LZ4 stream during decompression.
|
||||
* init this structure using LZ4_setStreamDecode (or memset()) before first use
|
||||
* note : only use in association with static linking !
|
||||
* this definition is not API/ABI safe,
|
||||
* and may change in a future version !
|
||||
*/
|
||||
#define LZ4_STREAMDECODESIZE_U64 4
|
||||
#define LZ4_STREAMDECODESIZE (LZ4_STREAMDECODESIZE_U64 * sizeof(unsigned long long))
|
||||
union LZ4_streamDecode_u {
|
||||
unsigned long long table[LZ4_STREAMDECODESIZE_U64];
|
||||
LZ4_streamDecode_t_internal internal_donotuse;
|
||||
} ; /* previously typedef'd to LZ4_streamDecode_t */
|
||||
|
||||
|
||||
/*=************************************
|
||||
* Obsolete Functions
|
||||
**************************************/
|
||||
/* Deprecate Warnings */
|
||||
/* Should these warnings messages be a problem,
|
||||
/* Deprecation warnings */
|
||||
/* Should these warnings be a problem,
|
||||
it is generally possible to disable them,
|
||||
with -Wno-deprecated-declarations for gcc
|
||||
or _CRT_SECURE_NO_WARNINGS in Visual for example.
|
||||
You can also define LZ4_DEPRECATE_WARNING_DEFBLOCK. */
|
||||
#ifndef LZ4_DEPRECATE_WARNING_DEFBLOCK
|
||||
# define LZ4_DEPRECATE_WARNING_DEFBLOCK
|
||||
typically with -Wno-deprecated-declarations for gcc
|
||||
or _CRT_SECURE_NO_WARNINGS in Visual.
|
||||
Otherwise, it's also possible to define LZ4_DISABLE_DEPRECATE_WARNINGS */
|
||||
#ifdef LZ4_DISABLE_DEPRECATE_WARNINGS
|
||||
# define LZ4_DEPRECATED(message) /* disable deprecation warnings */
|
||||
#else
|
||||
# define LZ4_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
|
||||
# if (LZ4_GCC_VERSION >= 405) || defined(__clang__)
|
||||
# if defined (__cplusplus) && (__cplusplus >= 201402) /* C++14 or greater */
|
||||
# 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))
|
||||
|
|
@ -323,20 +425,19 @@ int LZ4_decompress_fast_usingDict (const char* source, char* dest, int originalS
|
|||
# pragma message("WARNING: You need to implement LZ4_DEPRECATED for this compiler")
|
||||
# define LZ4_DEPRECATED(message)
|
||||
# endif
|
||||
#endif /* LZ4_DEPRECATE_WARNING_DEFBLOCK */
|
||||
#endif /* LZ4_DISABLE_DEPRECATE_WARNINGS */
|
||||
|
||||
/* 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);
|
||||
LZ4_DEPRECATED("use LZ4_compress_default() instead") int LZ4_compress (const char* source, char* dest, int sourceSize);
|
||||
LZ4_DEPRECATED("use LZ4_compress_default() instead") int LZ4_compress_limitedOutput (const char* source, char* dest, int sourceSize, int maxOutputSize);
|
||||
LZ4_DEPRECATED("use LZ4_compress_fast_extState() instead") int LZ4_compress_withState (void* state, const char* source, char* dest, int inputSize);
|
||||
LZ4_DEPRECATED("use LZ4_compress_fast_extState() instead") int LZ4_compress_limitedOutput_withState (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);
|
||||
LZ4_DEPRECATED("use LZ4_compress_fast_continue() instead") int LZ4_compress_continue (LZ4_stream_t* LZ4_streamPtr, const char* source, char* dest, int inputSize);
|
||||
LZ4_DEPRECATED("use LZ4_compress_fast_continue() instead") 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.
|
||||
They are only provided in lz4.c 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.
|
||||
|
|
@ -358,3 +459,5 @@ LZ4_DEPRECATED("use LZ4_decompress_fast_usingDict() instead") int LZ4_decompress
|
|||
#if defined (__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* LZ4_H_2983827168210 */
|
||||
|
|
|
|||
|
|
@ -70,7 +70,7 @@ void dxt_handle_io(int32_t fil, int32_t len, void *midbuf, char *packbuf)
|
|||
|
||||
if (glusetexcache == 2)
|
||||
{
|
||||
cleng = LZ4_compress_limitedOutput((const char*)midbuf, packbuf, len, len);
|
||||
cleng = LZ4_compress_default((const char*)midbuf, packbuf, len, len);
|
||||
|
||||
if (cleng <= 0 || cleng > len-1)
|
||||
{
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load diff
|
|
@ -186,9 +186,10 @@ void E_CreateDummyTile(int32_t const tile)
|
|||
|
||||
void E_CreateFakeTile(int32_t const tile, int32_t tsiz, char const * const buffer)
|
||||
{
|
||||
faketiledata[tile] = (char *) Xrealloc(faketiledata[tile], LZ4_compressBound(tsiz));
|
||||
int const compressed_tsiz = LZ4_compressBound(tsiz);
|
||||
faketiledata[tile] = (char *) Xrealloc(faketiledata[tile], compressed_tsiz);
|
||||
|
||||
if ((tsiz = LZ4_compress(buffer, faketiledata[tile], tsiz)) != -1)
|
||||
if ((tsiz = LZ4_compress_default(buffer, faketiledata[tile], tsiz, compressed_tsiz)) != -1)
|
||||
{
|
||||
faketiledata[tile] = (char *) Xrealloc(faketiledata[tile], tsiz);
|
||||
faketile[tile>>3] |= pow2char[tile&7];
|
||||
|
|
|
|||
|
|
@ -356,10 +356,11 @@ static void create_compressed_block(int32_t idx, const void *srcdata, uint32_t s
|
|||
uint32_t j;
|
||||
|
||||
// allocate
|
||||
mapstate->sws[idx] = (char *)Xmalloc(4 + LZ4_compressBound(size));
|
||||
int const compressed_size = LZ4_compressBound(size);
|
||||
mapstate->sws[idx] = (char *)Xmalloc(4 + compressed_size);
|
||||
|
||||
// compress & realloc
|
||||
j = LZ4_compress((const char*)srcdata, mapstate->sws[idx]+4, size);
|
||||
j = LZ4_compress_default((const char*)srcdata, mapstate->sws[idx]+4, size, compressed_size);
|
||||
mapstate->sws[idx] = (char *)Xrealloc(mapstate->sws[idx], 4 + j);
|
||||
|
||||
// write refcount
|
||||
|
|
|
|||
|
|
@ -1062,7 +1062,7 @@ void Net_SendMapUpdate(void)
|
|||
diffsize += tempMapDiff.numActors * sizeof(netactor_t);
|
||||
diffsize += tempMapDiff.numToDelete * sizeof(int32_t);
|
||||
|
||||
packetsize = LZ4_compress_limitedOutput((const char*)&tempMapDiff, (char*)&tempnetbuf[5], diffsize, tempnetbufsize - 5);
|
||||
packetsize = LZ4_compress_default((const char*)&tempMapDiff, (char*)&tempnetbuf[5], diffsize, tempnetbufsize - 5);
|
||||
|
||||
if (packetsize == 0)
|
||||
return;
|
||||
|
|
|
|||
Loading…
Reference in a new issue