7zArcIn.c File Reference

#include "Precomp.h"
#include <string.h>
#include "7z.h"
#include "7zBuf.h"
#include "7zCrc.h"
#include "CpuArch.h"

Data Structures
struct	CSubStreamInfo

Macros
#define	MY_ALLOC(T, p, size, alloc)
#define	MY_ALLOC_ZE(T, p, size, alloc)
#define	MY_ALLOC_AND_CPY(to, size, from, alloc)
#define	MY_ALLOC_ZE_AND_CPY(to, size, from, alloc)
#define	k7zMajorVersion   0
#define	SzBitUi32s_INIT(p)
#define	SzBitUi64s_INIT(p)
#define	SzData_CLEAR(p)
#define	SZ_READ_BYTE_SD_NOCHECK(_sd_, dest)
#define	SZ_READ_BYTE_SD(_sd_, dest)
#define	SZ_READ_BYTE(dest)
#define	SZ_READ_BYTE_2(dest)
#define	SKIP_DATA(sd, size)
#define	SKIP_DATA2(sd, size)
#define	SZ_READ_32(dest)
#define	ReadID(sd, value)
#define	k_NumCodersStreams_in_Folder_MAX   (SZ_NUM_BONDS_IN_FOLDER_MAX + SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX)
#define	k_Scan_NumCoders_MAX   64
#define	k_Scan_NumCodersStreams_in_Folder_MAX   64
#define	NUM_ADDITIONAL_STREAMS_MAX   8

Enumerations
enum	EIdEnum {   k7zIdEnd , k7zIdHeader , k7zIdArchiveProperties , k7zIdAdditionalStreamsInfo ,   k7zIdMainStreamsInfo , k7zIdFilesInfo , k7zIdPackInfo , k7zIdUnpackInfo ,   k7zIdSubStreamsInfo , k7zIdSize , k7zIdCRC , k7zIdFolder ,   k7zIdCodersUnpackSize , k7zIdNumUnpackStream , k7zIdEmptyStream , k7zIdEmptyFile ,   k7zIdAnti , k7zIdName , k7zIdCTime , k7zIdATime ,   k7zIdMTime , k7zIdWinAttrib , k7zIdComment , k7zIdEncodedHeader ,   k7zIdStartPos , k7zIdDummy }

Functions
void	SzArEx_Init (CSzArEx *p)
void	SzArEx_Free (CSzArEx *p, ISzAllocPtr alloc)
SRes	SzGetNextFolderItem (CSzFolder *f, CSzData *sd)
UInt64	SzAr_GetFolderUnpackSize (const CSzAr *p, UInt32 folderIndex)
SRes	SzArEx_Open (CSzArEx *p, ILookInStreamPtr inStream, ISzAllocPtr allocMain, ISzAllocPtr allocTemp)
SRes	SzArEx_Extract (const CSzArEx *p, ILookInStreamPtr inStream, UInt32 fileIndex, UInt32 *blockIndex, Byte **tempBuf, size_t *outBufferSize, size_t *offset, size_t *outSizeProcessed, ISzAllocPtr allocMain, ISzAllocPtr allocTemp)
size_t	SzArEx_GetFileNameUtf16 (const CSzArEx *p, size_t fileIndex, UInt16 *dest)

Variables
const Byte	k7zSignature [k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C}

Macro Definition Documentation

k7zMajorVersion

#define k7zMajorVersion   0

k_NumCodersStreams_in_Folder_MAX

#define k_NumCodersStreams_in_Folder_MAX   (SZ_NUM_BONDS_IN_FOLDER_MAX + SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX)

k_Scan_NumCoders_MAX

#define k_Scan_NumCoders_MAX   64

k_Scan_NumCodersStreams_in_Folder_MAX

#define k_Scan_NumCodersStreams_in_Folder_MAX   64

MY_ALLOC

#define MY_ALLOC	(		T,
			p,
			size,
			alloc )

Value:

  { if ((p = (T *)ISzAlloc_Alloc(alloc, (size) * sizeof(T))) == NULL) return SZ_ERROR_MEM; }

MY_ALLOC_AND_CPY

#define MY_ALLOC_AND_CPY	(		to,
			size,
			from,
			alloc )

Value:

  { MY_ALLOC(Byte, to, size, alloc); memcpy(to, from, size); }

MY_ALLOC_ZE

#define MY_ALLOC_ZE	(		T,
			p,
			size,
			alloc )

Value:

  { if ((size) == 0) p = NULL; else MY_ALLOC(T, p, size, alloc) }

MY_ALLOC_ZE_AND_CPY

#define MY_ALLOC_ZE_AND_CPY	(		to,
			size,
			from,
			alloc )

Value:

  { if ((size) == 0) to = NULL; else { MY_ALLOC_AND_CPY(to, size, from, alloc) } }

NUM_ADDITIONAL_STREAMS_MAX

#define NUM_ADDITIONAL_STREAMS_MAX   8

ReadID

#define ReadID	(		sd,
			value )

Value:

ReadNumber(sd, value)

SKIP_DATA

#define SKIP_DATA	(		sd,
			size )

Value:

{ sd->Size -= (size_t)(size); sd->Data += (size_t)(size); }

SKIP_DATA2

#define SKIP_DATA2	(		sd,
			size )

Value:

{ sd.Size -= (size_t)(size); sd.Data += (size_t)(size); }

SZ_READ_32

#define SZ_READ_32

(

dest

)

Value:

   if (sd.Size < 4) return SZ_ERROR_ARCHIVE; \
   dest = GetUi32(sd.Data); SKIP_DATA2(sd, 4);

SZ_READ_BYTE

#define SZ_READ_BYTE

(

dest

)

Value:

SZ_READ_BYTE_SD(sd, dest)

SZ_READ_BYTE_2

#define SZ_READ_BYTE_2

(

dest

)

Value:

    if (sd.Size == 0) return SZ_ERROR_ARCHIVE; \
    sd.Size--; dest = *sd.Data++;

SZ_READ_BYTE_SD

#define SZ_READ_BYTE_SD	(		_sd_,
			dest )

Value:

    if ((_sd_)->Size == 0) return SZ_ERROR_ARCHIVE; \
    SZ_READ_BYTE_SD_NOCHECK(_sd_, dest)

SZ_READ_BYTE_SD_NOCHECK

#define SZ_READ_BYTE_SD_NOCHECK	(		_sd_,
			dest )

Value:

    (_sd_)->Size--; dest = *(_sd_)->Data++;

SzBitUi32s_INIT

#define SzBitUi32s_INIT

(

p

)

Value:

{ (p)->Defs = NULL; (p)->Vals = NULL; }

SzBitUi64s_INIT

#define SzBitUi64s_INIT

(

p

)

Value:

{ (p)->Defs = NULL; (p)->Vals = NULL; }

SzData_CLEAR

#define SzData_CLEAR

(

p

)

Value:

{ (p)->Data = NULL; (p)->Size = 0; }

Enumeration Type Documentation

EIdEnum

enum EIdEnum

Enumerator
k7zIdEnd
k7zIdHeader
k7zIdArchiveProperties
k7zIdAdditionalStreamsInfo
k7zIdMainStreamsInfo
k7zIdFilesInfo
k7zIdPackInfo
k7zIdUnpackInfo
k7zIdSubStreamsInfo
k7zIdSize
k7zIdCRC
k7zIdFolder
k7zIdCodersUnpackSize
k7zIdNumUnpackStream
k7zIdEmptyStream
k7zIdEmptyFile
k7zIdAnti
k7zIdName
k7zIdCTime
k7zIdATime
k7zIdMTime
k7zIdWinAttrib
k7zIdComment
k7zIdEncodedHeader
k7zIdStartPos
k7zIdDummy

Function Documentation

SzAr_GetFolderUnpackSize()

UInt64 SzAr_GetFolderUnpackSize	(	const CSzAr *	p,
		UInt32	folderIndex )

SzArEx_Extract()

SRes SzArEx_Extract	(	const CSzArEx *	p,
		ILookInStreamPtr	inStream,
		UInt32	fileIndex,
		UInt32 *	blockIndex,
		Byte **	tempBuf,
		size_t *	outBufferSize,
		size_t *	offset,
		size_t *	outSizeProcessed,
		ISzAllocPtr	allocMain,
		ISzAllocPtr	allocTemp )

SzArEx_Free()

void SzArEx_Free	(	CSzArEx *	p,
		ISzAllocPtr	alloc )

SzArEx_GetFileNameUtf16()

size_t SzArEx_GetFileNameUtf16	(	const CSzArEx *	p,
		size_t	fileIndex,
		UInt16 *	dest )

SzArEx_Init()

void SzArEx_Init

(

CSzArEx *

p

)

SzArEx_Open()

SRes SzArEx_Open	(	CSzArEx *	p,
		ILookInStreamPtr	inStream,
		ISzAllocPtr	allocMain,
		ISzAllocPtr	allocTemp )

SzGetNextFolderItem()

SRes SzGetNextFolderItem	(	CSzFolder *	f,
		CSzData *	sd )

Variable Documentation

k7zSignature

const Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C}