XzDec.c File Reference

#include "Precomp.h"
#include <stdlib.h>
#include <string.h>
#include "7zCrc.h"
#include "Alloc.h"
#include "Bra.h"
#include "CpuArch.h"
#include "Delta.h"
#include "Lzma2Dec.h"
#include "Xz.h"
#include "MtDec.h"

Data Structures
struct	CXzBcFilterState
struct	CLzma2Dec_Spec
struct	CXzDecMtThread
struct	CXzDecMt

Macros
#define	PRF(x)
#define	PRF_STR(s)
#define	PRF_STR_INT(s, d)
#define	XZ_CHECK_SIZE_MAX   64
#define	CODER_BUF_SIZE   ((size_t)1 << 17)
#define	BRA_BUF_SIZE   (1 << 14)
#define	XZ_IS_SUPPORTED_FILTER_ID(id)
#define	READ_VARINT_AND_CHECK(buf, pos, size, res)
#define	XZDECMT_STREAM_WRITE_STEP   (1 << 24)

Functions
unsigned	Xz_ReadVarInt (const Byte *p, size_t maxSize, UInt64 *value)
SRes	Xz_StateCoder_Bc_SetFromMethod_Func (IStateCoder *p, UInt64 id, Xz_Func_BcFilterStateBase_Filter func, ISzAllocPtr alloc)
SRes	Xz_ParseHeader (CXzStreamFlags *p, const Byte *buf)
SRes	XzBlock_Parse (CXzBlock *p, const Byte *header)
void	XzUnpacker_Init (CXzUnpacker *p)
void	XzUnpacker_SetOutBuf (CXzUnpacker *p, Byte *outBuf, size_t outBufSize)
void	XzUnpacker_Construct (CXzUnpacker *p, ISzAllocPtr alloc)
void	XzUnpacker_Free (CXzUnpacker *p)
void	XzUnpacker_PrepareToRandomBlockDecoding (CXzUnpacker *p)
SRes	XzUnpacker_Code (CXzUnpacker *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, int srcFinished, ECoderFinishMode finishMode, ECoderStatus *status)
SRes	XzUnpacker_CodeFull (CXzUnpacker *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ECoderFinishMode finishMode, ECoderStatus *status)
BoolInt	XzUnpacker_IsBlockFinished (const CXzUnpacker *p)
BoolInt	XzUnpacker_IsStreamWasFinished (const CXzUnpacker *p)
UInt64	XzUnpacker_GetExtraSize (const CXzUnpacker *p)
void	XzDecMtProps_Init (CXzDecMtProps *p)
CXzDecMtHandle	XzDecMt_Create (ISzAllocPtr alloc, ISzAllocPtr allocMid)
void	XzDecMt_Destroy (CXzDecMtHandle p)
void	XzStatInfo_Clear (CXzStatInfo *p)
SRes	XzDecMt_Decode (CXzDecMtHandle p, const CXzDecMtProps *props, const UInt64 *outDataSize, int finishMode, ISeqOutStreamPtr outStream, ISeqInStreamPtr inStream, CXzStatInfo *stat, int *isMT, ICompressProgressPtr progress)

Macro Definition Documentation

BRA_BUF_SIZE

#define BRA_BUF_SIZE   (1 << 14)

CODER_BUF_SIZE

#define CODER_BUF_SIZE   ((size_t)1 << 17)

PRF

#define PRF

(

x

)

PRF_STR

#define PRF_STR

(

s

)

Value:

PRF(printf("\n" s "\n"))

PRF_STR_INT

#define PRF_STR_INT	(		s,
			d )

Value:

PRF(printf("\n" s " %d\n", (unsigned)d))

READ_VARINT_AND_CHECK

#define READ_VARINT_AND_CHECK	(		buf,
			pos,
			size,
			res )

Value:

  { const unsigned s = Xz_ReadVarInt(buf + pos, size - pos, res); \
  if (s == 0) return SZ_ERROR_ARCHIVE; \
  pos += s; }

XZ_CHECK_SIZE_MAX

#define XZ_CHECK_SIZE_MAX   64

XZ_IS_SUPPORTED_FILTER_ID

#define XZ_IS_SUPPORTED_FILTER_ID

(

id

)

Value:

    ((id) >= XZ_ID_Delta && (id) <= XZ_ID_RISCV)

XZDECMT_STREAM_WRITE_STEP

#define XZDECMT_STREAM_WRITE_STEP   (1 << 24)

Function Documentation

Xz_ParseHeader()

SRes Xz_ParseHeader	(	CXzStreamFlags *	p,
		const Byte *	buf )

Xz_ReadVarInt()

unsigned Xz_ReadVarInt	(	const Byte *	p,
		size_t	maxSize,
		UInt64 *	value )

Xz_StateCoder_Bc_SetFromMethod_Func()

SRes Xz_StateCoder_Bc_SetFromMethod_Func	(	IStateCoder *	p,
		UInt64	id,
		Xz_Func_BcFilterStateBase_Filter	func,
		ISzAllocPtr	alloc )

XzBlock_Parse()

SRes XzBlock_Parse	(	CXzBlock *	p,
		const Byte *	header )

XzDecMt_Create()

CXzDecMtHandle XzDecMt_Create	(	ISzAllocPtr	alloc,
		ISzAllocPtr	allocMid )

XzDecMt_Decode()

SRes XzDecMt_Decode	(	CXzDecMtHandle	p,
		const CXzDecMtProps *	props,
		const UInt64 *	outDataSize,
		int	finishMode,
		ISeqOutStreamPtr	outStream,
		ISeqInStreamPtr	inStream,
		CXzStatInfo *	stat,
		int *	isMT,
		ICompressProgressPtr	progress )

XzDecMt_Destroy()

void XzDecMt_Destroy

(

CXzDecMtHandle

p

)

XzDecMtProps_Init()

void XzDecMtProps_Init

(

CXzDecMtProps *

p

)

XzStatInfo_Clear()

void XzStatInfo_Clear

(

CXzStatInfo *

p

)

XzUnpacker_Code()

SRes XzUnpacker_Code	(	CXzUnpacker *	p,
		Byte *	dest,
		SizeT *	destLen,
		const Byte *	src,
		SizeT *	srcLen,
		int	srcFinished,
		ECoderFinishMode	finishMode,
		ECoderStatus *	status )

XzUnpacker_CodeFull()

SRes XzUnpacker_CodeFull	(	CXzUnpacker *	p,
		Byte *	dest,
		SizeT *	destLen,
		const Byte *	src,
		SizeT *	srcLen,
		ECoderFinishMode	finishMode,
		ECoderStatus *	status )

XzUnpacker_Construct()

void XzUnpacker_Construct	(	CXzUnpacker *	p,
		ISzAllocPtr	alloc )

XzUnpacker_Free()

void XzUnpacker_Free

(

CXzUnpacker *

p

)

XzUnpacker_GetExtraSize()

UInt64 XzUnpacker_GetExtraSize

(

const CXzUnpacker *

p

)

XzUnpacker_Init()

void XzUnpacker_Init

(

CXzUnpacker *

p

)

XzUnpacker_IsBlockFinished()

BoolInt XzUnpacker_IsBlockFinished

(

const CXzUnpacker *

p

)

XzUnpacker_IsStreamWasFinished()

BoolInt XzUnpacker_IsStreamWasFinished

(

const CXzUnpacker *

p

)

XzUnpacker_PrepareToRandomBlockDecoding()

void XzUnpacker_PrepareToRandomBlockDecoding

(

CXzUnpacker *

p

)

XzUnpacker_SetOutBuf()

void XzUnpacker_SetOutBuf	(	CXzUnpacker *	p,
		Byte *	outBuf,
		size_t	outBufSize )