bsnes/snesreader/unrar/headers.hpp

146 lines
2.5 KiB
C++

#ifndef _RAR_HEADERS_
#define _RAR_HEADERS_
#define SIZEOF_MARKHEAD 7
#define SIZEOF_OLDMHD 7
#define SIZEOF_NEWMHD 13
#define SIZEOF_OLDLHD 21
#define SIZEOF_NEWLHD 32
#define SIZEOF_SHORTBLOCKHEAD 7
#define SIZEOF_SUBBLOCKHEAD 14
#define SIZEOF_COMMHEAD 13
#define UNP_VER 36
#define MHD_VOLUME 0x0001
#define MHD_COMMENT 0x0002
#define MHD_SOLID 0x0008
#define MHD_PASSWORD 0x0080
#define LHD_SPLIT_BEFORE 0x0001
#define LHD_SPLIT_AFTER 0x0002
#define LHD_PASSWORD 0x0004
#define LHD_COMMENT 0x0008
#define LHD_SOLID 0x0010
#define LHD_WINDOWMASK 0x00e0
#define LHD_DIRECTORY 0x00e0
#define LHD_LARGE 0x0100
#define LHD_UNICODE 0x0200
#define LHD_SALT 0x0400
#define LHD_EXTTIME 0x1000
#define LONG_BLOCK 0x8000
enum HEADER_TYPE {
MARK_HEAD=0x72,MAIN_HEAD=0x73,FILE_HEAD=0x74,COMM_HEAD=0x75,AV_HEAD=0x76,
SUB_HEAD=0x77,PROTECT_HEAD=0x78,SIGN_HEAD=0x79,NEWSUB_HEAD=0x7a,
ENDARC_HEAD=0x7b
};
enum HOST_SYSTEM {
HOST_MSDOS=0,HOST_OS2=1,HOST_WIN32=2,HOST_UNIX=3,HOST_MACOS=4,
HOST_BEOS=5,HOST_MAX
};
struct OldMainHeader
{
byte Mark[4];
ushort HeadSize;
byte Flags;
};
struct OldFileHeader
{
uint PackSize;
uint UnpSize;
ushort FileCRC;
ushort HeadSize;
uint FileTime;
byte FileAttr;
byte Flags;
byte UnpVer;
byte NameSize;
byte Method;
};
struct MarkHeader
{
byte Mark[7];
};
struct BaseBlock
{
ushort HeadCRC;
HEADER_TYPE HeadType;//byte
ushort Flags;
ushort HeadSize;
};
struct BlockHeader:BaseBlock
{
union {
uint DataSize;
uint PackSize;
};
};
struct MainHeader:BaseBlock
{
ushort HighPosAV;
uint PosAV;
};
#define SALT_SIZE 8
struct FileHeader:BlockHeader
{
uint UnpSize;
byte HostOS;
uint FileCRC;
uint FileTime;
byte UnpVer;
byte Method;
ushort NameSize;
union {
uint FileAttr;
uint SubFlags;
};
/* optional */
uint HighPackSize;
uint HighUnpSize;
/* names */
char FileName[NM*4]; // *4 to avoid using lots of stack in arcread
wchar FileNameW[NM];
/* optional */
byte Salt[SALT_SIZE];
RarTime mtime;
/* dummy */
Int64 FullPackSize;
Int64 FullUnpSize;
};
// SubBlockHeader and its successors were used in RAR 2.x format.
// RAR 3.x uses FileHeader with NEWSUB_HEAD HeadType for subblocks.
struct SubBlockHeader:BlockHeader
{
ushort SubType;
byte Level;
};
struct ProtectHeader:BlockHeader
{
byte Version;
ushort RecSectors;
uint TotalBlocks;
byte Mark[8];
};
#endif