tHeaderDataExW structure

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The structure is used in function ReadHeaderExW.

Syntax C++

typedef struct tHeaderDataExW {

wchar_t ArcName[1024];

wchar_t FileName[1024];

unsigned int Flags;

unsigned int PackSize;

unsigned int PackSizeHigh;

unsigned int UnpSize;

unsigned int UnpSizeHigh;

unsigned int HostOS;

unsigned int FileCRC;

unsigned int FileTime;

unsigned int UnpVer;

unsigned int Method;

unsigned int FileAttr;

char *CmtBuf;

unsigned int CmtBufSize;

unsigned int CmtSize;

unsigned int CmtState;

char Reserved[1024];

};

Members

FileName

Type: wchar_t[1024]*

File name with subfolders inside the archive.

Flags

Type: unsigned int

Plugin must fill these bit fields correctly according to the table (if it supports corresponding features):

Code	Comments
PK_HF_PREVVOL 0x0001	File is continued from the previous volume
PK_HF_NEXTVOL 0x0002	File is continued in the next volume
PK_HF_ENCRYPT 0x0004	File is protected by a password
PK_HF_COMMENT 0x0008	There are comments
PK_HF_SOLID 0x0010	File is packed with option "solid"

PackSize

Type: unsigned int

Lower 4 bytes of 64-bit file size after packing.

PackSizeHigh

Type: unsigned int

Higher 4 bytes of 64-bit file size after packing.

UnpSize

Type: unsigned int

Lower 4 bytes of 64-bit file size before packing.

UnpSizeHigh

Type: unsigned int

Higher 4 bytes of 64-bit file size before packing.

FileTime

Type: unsigned int

File modification date in MS DOS format.

Method

Type: unsigned int

The number of archiving methods. Specific for each archive.

FileAttr

Type: unsigned int

The bit field contains file attributes, according to the table:

Code	Comments
0x0001	Read only file
0x0002	Hidden file
0x0004	System file
0x0010	Is a folder. An important attribute. The plugin must define it.
0x0020	Archive file
0x0100	Temporary file
0x0400	File link

ArcName, HostOS, FileCRC, UnpVer, CmtBuf, CmtBufSize, CmtSize, CmtState

Not used at the moment, but may be defined.

Reserved

Type: char[1024]

Not used and may not change.