Paradox Game Engine: D:/Projects/Bitbucket Hosting/DoxygenFilesAndSources/Paradox v1.0.0 beta06/sources/common/core/SiliconStudio.Core.Native/lz4/lz4.c File Reference

Paradox Game Engine v1.0.0 beta06

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#include <stdlib.h>
#include <string.h>
#include "lz4.h"
#include <stdint.h>

Go to the source code of this file.

Classes
struct	_U16_S

struct	_U32_S

struct	_U64_S

struct	refTables

Macros
#define	MEMORY_USAGE 14

#define	LZ4_ARCH64 0

#define	restrict

#define	GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)

#define	lz4_bswap16(x) ((unsigned short int) ((((x) >> 8) & 0xffu) \| (((x) & 0xffu) << 8)))

#define	expect(expr, value) (expr)

#define	likely(expr) expect((expr) != 0, 1)

#define	unlikely(expr) expect((expr) != 0, 0)

#define	BYTE uint8_t

#define	U16 uint16_t

#define	U32 uint32_t

#define	S32 int32_t

#define	U64 uint64_t

#define	S64 int64_t

#define	A64(x) (((U64_S *)(x))->v)

#define	A32(x) (((U32_S *)(x))->v)

#define	A16(x) (((U16_S *)(x))->v)

#define	MINMATCH 4

#define	HASH_LOG (MEMORY_USAGE-2)

#define	HASHTABLESIZE (1 << HASH_LOG)

#define	HASH_MASK (HASHTABLESIZE - 1)

#define	NOTCOMPRESSIBLE_DETECTIONLEVEL 6

#define	SKIPSTRENGTH (NOTCOMPRESSIBLE_DETECTIONLEVEL>2?NOTCOMPRESSIBLE_DETECTIONLEVEL:2)

#define	STACKLIMIT 13

#define	HEAPMODE (HASH_LOG>STACKLIMIT)

#define	COPYLENGTH 8

#define	LASTLITERALS 5

#define	MFLIMIT (COPYLENGTH+MINMATCH)

#define	MINLENGTH (MFLIMIT+1)

#define	MAXD_LOG 16

#define	MAX_DISTANCE ((1 << MAXD_LOG) - 1)

#define	ML_BITS 4

#define	ML_MASK ((1U<<ML_BITS)-1)

#define	RUN_BITS (8-ML_BITS)

#define	RUN_MASK ((1U<<RUN_BITS)-1)

#define	STEPSIZE 4

#define	UARCH U32

#define	AARCH A32

#define	LZ4_COPYSTEP(s, d) A32(d) = A32(s); d+=4; s+=4;

#define	LZ4_COPYPACKET(s, d) LZ4_COPYSTEP(s,d); LZ4_COPYSTEP(s,d);

#define	LZ4_SECURECOPY LZ4_WILDCOPY

#define	HTYPE const BYTE*

#define	INITBASE(base) const int base = 0

#define	LZ4_READ_LITTLEENDIAN_16(d, s, p) { d = (s) - A16(p); }

#define	LZ4_WRITE_LITTLEENDIAN_16(p, v) { A16(p) = v; p+=2; }

#define	LZ4_HASH_FUNCTION(i) (((i) * 2654435761U) >> ((MINMATCH*8)-HASH_LOG))

#define	LZ4_HASH_VALUE(p) LZ4_HASH_FUNCTION(A32(p))

#define	LZ4_WILDCOPY(s, d, e) do { LZ4_COPYPACKET(s,d) } while (d<e);

#define	LZ4_BLINDCOPY(s, d, l) { BYTE* e=(d)+l; LZ4_WILDCOPY(s,d,e); d=e; }

#define	matchlimit (iend - LASTLITERALS)

#define	LZ4_64KLIMIT ((1<<16) + (MFLIMIT-1))

#define	HASHLOG64K (HASH_LOG+1)

#define	HASH64KTABLESIZE (1U<<HASHLOG64K)

#define	LZ4_HASH64K_FUNCTION(i) (((i) * 2654435761U) >> ((MINMATCH*8)-HASHLOG64K))

#define	LZ4_HASH64K_VALUE(p) LZ4_HASH64K_FUNCTION(A32(p))

#define	matchlimit (iend - LASTLITERALS)

Typedefs
typedef struct _U16_S	U16_S

typedef struct _U32_S	U32_S

typedef struct _U64_S	U64_S

Functions
static int	LZ4_NbCommonBytes (register U32 val)

static int	LZ4_compressCtx (void *ctx, const char source, char *dest, int inputSize, int maxOutputSize)

static int	LZ4_compress64kCtx (void *ctx, const char source, char *dest, int isize, int maxOutputSize)

	CORE_EXPORT (int)

Macro Definition Documentation

#define A16 ( x ) (((U16_S *)(x))->v)

Definition at line 176 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define A32 ( x ) (((U32_S *)(x))->v)

Definition at line 175 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define A64 ( x ) (((U64_S *)(x))->v)

Definition at line 174 of file lz4.c.

#define AARCH A32

Definition at line 221 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define BYTE uint8_t

Definition at line 154 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define COPYLENGTH 8

Definition at line 192 of file lz4.c.

#define expect	(		expr,
			value
	)		(expr)

Definition at line 127 of file lz4.c.

#define GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)

Definition at line 104 of file lz4.c.

#define HASH64KTABLESIZE (1U<<HASHLOG64K)

Definition at line 568 of file lz4.c.

Referenced by LZ4_compress64kCtx().

#define HASH_LOG (MEMORY_USAGE-2)

Definition at line 184 of file lz4.c.

#define HASH_MASK (HASHTABLESIZE - 1)

Definition at line 186 of file lz4.c.

#define HASHLOG64K (HASH_LOG+1)

Definition at line 567 of file lz4.c.

#define HASHTABLESIZE (1 << HASH_LOG)

Definition at line 185 of file lz4.c.

Referenced by LZ4_compressCtx().

#define HEAPMODE (HASH_LOG>STACKLIMIT)

Definition at line 191 of file lz4.c.

#define HTYPE const BYTE*

Definition at line 225 of file lz4.c.

Referenced by LZ4_compressCtx().

#define INITBASE ( base ) const int base = 0

Definition at line 226 of file lz4.c.

Referenced by LZ4_compressCtx().

#define LASTLITERALS 5

Definition at line 193 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define likely ( expr ) expect((expr) != 0, 1)

Definition at line 130 of file lz4.c.

Referenced by LZ4_compressCtx().

#define LZ4_64KLIMIT ((1<<16) + (MFLIMIT-1))

Definition at line 566 of file lz4.c.

Referenced by CORE_EXPORT().

#define LZ4_ARCH64 0

Definition at line 60 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define LZ4_BLINDCOPY	(		s,
			d,
			l
	)		{ BYTE* e=(d)+l; LZ4_WILDCOPY(s,d,e); d=e; }

Definition at line 251 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define lz4_bswap16 ( x ) ((unsigned short int) ((((x) >> 8) & 0xffu) | (((x) & 0xffu) << 8)))

Definition at line 121 of file lz4.c.

#define LZ4_COPYPACKET	(		s,
			d
	)		LZ4_COPYSTEP(s,d); LZ4_COPYSTEP(s,d);

Definition at line 223 of file lz4.c.

#define LZ4_COPYSTEP	(		s,
			d
	)		A32(d) = A32(s); d+=4; s+=4;

Definition at line 222 of file lz4.c.

#define LZ4_HASH64K_FUNCTION ( i ) (((i) * 2654435761U) >> ((MINMATCH*8)-HASHLOG64K))

Definition at line 569 of file lz4.c.

#define LZ4_HASH64K_VALUE ( p ) LZ4_HASH64K_FUNCTION(A32(p))

Definition at line 570 of file lz4.c.

Referenced by LZ4_compress64kCtx().

#define LZ4_HASH_FUNCTION ( i ) (((i) * 2654435761U) >> ((MINMATCH*8)-HASH_LOG))

Definition at line 248 of file lz4.c.

#define LZ4_HASH_VALUE ( p ) LZ4_HASH_FUNCTION(A32(p))

Definition at line 249 of file lz4.c.

Referenced by LZ4_compressCtx().

#define LZ4_READ_LITTLEENDIAN_16	(		d,
			s,
			p
	)		{ d = (s) - A16(p); }

Definition at line 233 of file lz4.c.

#define LZ4_SECURECOPY LZ4_WILDCOPY

Definition at line 224 of file lz4.c.

#define LZ4_WILDCOPY	(		s,
			d,
			e
	)		do { LZ4_COPYPACKET(s,d) } while (d<e);

Definition at line 250 of file lz4.c.

#define LZ4_WRITE_LITTLEENDIAN_16	(		p,
			v
	)		{ A16(p) = v; p+=2; }

Definition at line 234 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define matchlimit (iend - LASTLITERALS)

Referenced by LZ4_compress64kCtx(), LZ4_compressCtx(), and LZ4_compressHCCtx().

#define matchlimit (iend - LASTLITERALS)

#define MAX_DISTANCE ((1 << MAXD_LOG) - 1)

Definition at line 198 of file lz4.c.

Referenced by LZ4_compressCtx().

#define MAXD_LOG 16

Definition at line 197 of file lz4.c.

#define MEMORY_USAGE 14

Definition at line 43 of file lz4.c.

#define MFLIMIT (COPYLENGTH+MINMATCH)

Definition at line 194 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define MINLENGTH (MFLIMIT+1)

Definition at line 195 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define MINMATCH 4

Definition at line 182 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define ML_BITS 4

Definition at line 200 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define ML_MASK ((1U<<ML_BITS)-1)

Definition at line 201 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define NOTCOMPRESSIBLE_DETECTIONLEVEL 6

Definition at line 188 of file lz4.c.

#define restrict

Definition at line 101 of file lz4.c.

#define RUN_BITS (8-ML_BITS)

Definition at line 202 of file lz4.c.

#define RUN_MASK ((1U<<RUN_BITS)-1)

Definition at line 203 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define S32 int32_t

Definition at line 157 of file lz4.c.

Referenced by LZ4_NbCommonBytes().

#define S64 int64_t

Definition at line 159 of file lz4.c.

#define SKIPSTRENGTH (NOTCOMPRESSIBLE_DETECTIONLEVEL>2?NOTCOMPRESSIBLE_DETECTIONLEVEL:2)

Definition at line 189 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define STACKLIMIT 13

Definition at line 190 of file lz4.c.

#define STEPSIZE 4

Definition at line 219 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define U16 uint16_t

Definition at line 155 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define U32 uint32_t

Definition at line 156 of file lz4.c.

Referenced by LZ4_compress64kCtx(), LZ4_compressCtx(), and LZ4_NbCommonBytes().

#define U64 uint64_t

Definition at line 158 of file lz4.c.

#define UARCH U32

Definition at line 220 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

#define unlikely ( expr ) expect((expr) != 0, 0)

Definition at line 131 of file lz4.c.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

Typedef Documentation

typedef struct _U16_S U16_S

typedef struct _U32_S U32_S

typedef struct _U64_S U64_S

Function Documentation

CORE_EXPORT ( int )

Definition at line 774 of file lz4.c.

References LZ4_64KLIMIT, LZ4_compress64kCtx(), and LZ4_compressCtx().

static int LZ4_compress64kCtx	(	void **	ctx,
		const char *	source,
		char *	dest,
		int	isize,
		int	maxOutputSize
	)

static

Definition at line 573 of file lz4.c.

References A16, A32, AARCH, BYTE, dest, HASH64KTABLESIZE, refTables::hashTable, isize, LASTLITERALS, LZ4_ARCH64, LZ4_BLINDCOPY, LZ4_HASH64K_VALUE, LZ4_NbCommonBytes(), LZ4_WRITE_LITTLEENDIAN_16, matchlimit, maxOutputSize, MFLIMIT, MINLENGTH, MINMATCH, ML_BITS, ML_MASK, RUN_MASK, SKIPSTRENGTH, STEPSIZE, U16, U32, UARCH, and unlikely.

Referenced by CORE_EXPORT().

static int LZ4_compressCtx	(	void **	ctx,
		const char *	source,
		char *	dest,
		int	inputSize,
		int	maxOutputSize
	)

static

Definition at line 345 of file lz4.c.

References A16, A32, AARCH, BYTE, dest, refTables::hashTable, HASHTABLESIZE, HTYPE, INITBASE, inputSize, LASTLITERALS, likely, LZ4_ARCH64, LZ4_BLINDCOPY, LZ4_HASH_VALUE, LZ4_NbCommonBytes(), LZ4_WRITE_LITTLEENDIAN_16, matchlimit, MAX_DISTANCE, maxOutputSize, MFLIMIT, MINLENGTH, MINMATCH, ML_BITS, ML_MASK, RUN_MASK, SKIPSTRENGTH, STEPSIZE, U16, U32, UARCH, and unlikely.

Referenced by CORE_EXPORT().

static int LZ4_NbCommonBytes ( register U32 val )

static

Definition at line 298 of file lz4.c.

References S32, and U32.

Referenced by LZ4_compress64kCtx(), and LZ4_compressCtx().

sources
common
core
SiliconStudio.Core.Native
lz4
lz4.c
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