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/* |
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* libhfs - library for reading and writing Macintosh HFS volumes |
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* Copyright (C) 1996-1998 Robert Leslie |
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* Modified for use with PearPC (c) 2004 Stefan Weyergraf |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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*/ |
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|
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typedef signed char Char; |
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typedef unsigned char UChar; |
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typedef signed char SignedByte; |
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typedef signed short APPLEInteger; |
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typedef unsigned short UInteger; |
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typedef signed long LongInt; |
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typedef unsigned long ULongInt; |
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typedef char Str15[16]; |
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typedef char Str31[32]; |
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typedef long OSType; |
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|
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typedef struct { |
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APPLEInteger sbSig; /* device signature (should be 0x4552) */ |
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APPLEInteger sbBlkSize; /* block size of the device (in bytes) */ |
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LongInt sbBlkCount; /* number of blocks on the device */ |
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APPLEInteger sbDevType; /* reserved */ |
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APPLEInteger sbDevId; /* reserved */ |
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LongInt sbData; /* reserved */ |
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APPLEInteger sbDrvrCount; /* number of driver descriptor entries */ |
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LongInt ddBlock; /* first driver's starting block */ |
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APPLEInteger ddSize; /* size of the driver, in 512-byte blocks */ |
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APPLEInteger ddType; /* driver operating system type (MacOS = 1) */ |
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APPLEInteger ddPad[243]; /* additional drivers, if any */ |
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} Block0; |
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|
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typedef struct { |
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APPLEInteger pmSig; /* partition signature (0x504d or 0x5453) */ |
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APPLEInteger pmSigPad; /* reserved */ |
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LongInt pmMapBlkCnt; /* number of blocks in partition map */ |
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LongInt pmPyPartStart; /* first physical block of partition */ |
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LongInt pmPartBlkCnt; /* number of blocks in partition */ |
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Char pmPartName[33]; /* partition name */ |
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Char pmParType[33]; /* partition type */ |
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LongInt pmLgDataStart; /* first logical block of data area */ |
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LongInt pmDataCnt; /* number of blocks in data area */ |
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LongInt pmPartStatus; /* partition status information */ |
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LongInt pmLgBootStart; /* first logical block of boot code */ |
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LongInt pmBootSize; /* size of boot code, in bytes */ |
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LongInt pmBootAddr; /* boot code load address */ |
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LongInt pmBootAddr2; /* reserved */ |
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LongInt pmBootEntry; /* boot code entry point */ |
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LongInt pmBootEntry2; /* reserved */ |
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LongInt pmBootCksum; /* boot code checksum */ |
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Char pmProcessor[17];/* processor type */ |
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APPLEInteger pmPad[188]; /* reserved */ |
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} ApplePartition; |
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|
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typedef struct { |
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APPLEInteger bbID; /* boot blocks signature */ |
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LongInt bbEntry; /* entry point to boot code */ |
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APPLEInteger bbVersion; /* boot blocks version number */ |
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APPLEInteger bbPageFlags; /* used internally */ |
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Str15 bbSysName; /* System filename */ |
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Str15 bbShellName; /* Finder filename */ |
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Str15 bbDbg1Name; /* debugger filename */ |
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Str15 bbDbg2Name; /* debugger filename */ |
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Str15 bbScreenName; /* name of startup screen */ |
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Str15 bbHelloName; /* name of startup program */ |
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Str15 bbScrapName; /* name of system scrap file */ |
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APPLEInteger bbCntFCBs; /* number of FCBs to allocate */ |
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APPLEInteger bbCntEvts; /* number of event queue elements */ |
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LongInt bb128KSHeap; /* system heap size on 128K Mac */ |
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LongInt bb256KSHeap; /* used internally */ |
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LongInt bbSysHeapSize; /* system heap size on all machines */ |
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APPLEInteger filler; /* reserved */ |
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LongInt bbSysHeapExtra; /* additional system heap space */ |
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LongInt bbSysHeapFract; /* fraction of RAM for system heap */ |
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} BootBlkHdr; |
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|
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typedef struct { |
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UInteger xdrStABN; /* first allocation block */ |
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UInteger xdrNumABlks; /* number of allocation blocks */ |
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} ExtDescriptor; |
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|
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typedef ExtDescriptor ExtDataRec[3]; |
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|
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typedef struct { |
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SignedByte xkrKeyLen; /* key length */ |
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SignedByte xkrFkType; /* fork type (0x00/0xff == data/resource */ |
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ULongInt xkrFNum; /* file number */ |
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UInteger xkrFABN; /* starting file allocation block */ |
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} ExtKeyRec; |
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|
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typedef struct { |
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SignedByte ckrKeyLen; /* key length */ |
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SignedByte ckrResrv1; /* reserved */ |
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ULongInt ckrParID; /* parent directory ID */ |
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Str31 ckrCName; /* catalog node name */ |
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} CatKeyRec; |
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|
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typedef struct { |
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APPLEInteger v; /* vertical coordinate */ |
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APPLEInteger h; /* horizontal coordinate */ |
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} Point; |
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|
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typedef struct { |
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APPLEInteger top; /* top edge of rectangle */ |
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APPLEInteger left; /* left edge */ |
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APPLEInteger bottom; /* bottom edge */ |
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APPLEInteger right; /* right edge */ |
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} Rect; |
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|
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typedef struct { |
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Rect frRect; /* folder's rectangle */ |
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APPLEInteger frFlags; /* flags */ |
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Point frLocation; /* folder's location */ |
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APPLEInteger frView; /* folder's view */ |
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} DInfo; |
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|
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typedef struct { |
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Point frScroll; /* scroll position */ |
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LongInt frOpenChain; /* directory ID chain of open folders */ |
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APPLEInteger frUnused; /* reserved */ |
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APPLEInteger frComment; /* comment ID */ |
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LongInt frPutAway; /* directory ID */ |
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} DXInfo; |
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|
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typedef struct { |
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OSType fdType; /* file type */ |
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OSType fdCreator; /* file's creator */ |
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APPLEInteger fdFlags; /* flags */ |
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Point fdLocation; /* file's location */ |
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APPLEInteger fdFldr; /* file's window */ |
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} FInfo; |
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|
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typedef struct { |
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APPLEInteger fdIconID; /* icon ID */ |
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APPLEInteger fdUnused[4]; /* reserved */ |
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APPLEInteger fdComment; /* comment ID */ |
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LongInt fdPutAway; /* home directory ID */ |
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} FXInfo; |
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|
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typedef struct { |
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APPLEInteger drSigWord; /* volume signature (0x4244 for HFS) */ |
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LongInt drCrDate; /* date and time of volume creation */ |
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LongInt drLsMod; /* date and time of last modification */ |
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APPLEInteger drAtrb; /* volume attributes */ |
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UInteger drNmFls; /* number of files in root directory */ |
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UInteger drVBMSt; /* first block of volume bit map (always 3) */ |
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UInteger drAllocPtr; /* start of next allocation search */ |
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UInteger drNmAlBlks; /* number of allocation blocks in volume */ |
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ULongInt drAlBlkSiz; /* size (in bytes) of allocation blocks */ |
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ULongInt drClpSiz; /* default clump size */ |
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UInteger drAlBlSt; /* first allocation block in volume */ |
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LongInt drNxtCNID; /* next unused catalog node ID (dir/file ID) */ |
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UInteger drFreeBks; /* number of unused allocation blocks */ |
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char drVN[28]; /* volume name (1-27 chars) */ |
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LongInt drVolBkUp; /* date and time of last backup */ |
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APPLEInteger drVSeqNum; /* volume backup sequence number */ |
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ULongInt drWrCnt; /* volume write count */ |
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ULongInt drXTClpSiz; /* clump size for extents overflow file */ |
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ULongInt drCTClpSiz; /* clump size for catalog file */ |
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UInteger drNmRtDirs; /* number of directories in root directory */ |
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ULongInt drFilCnt; /* number of files in volume */ |
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ULongInt drDirCnt; /* number of directories in volume */ |
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LongInt drFndrInfo[8]; /* information used by the Finder */ |
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UInteger drEmbedSigWord; /* type of embedded volume */ |
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ExtDescriptor drEmbedExtent; /* location of embedded volume */ |
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ULongInt drXTFlSize; /* size (in bytes) of extents overflow file */ |
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ExtDataRec drXTExtRec; /* first extent record for extents file */ |
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ULongInt drCTFlSize; /* size (in bytes) of catalog file */ |
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ExtDataRec drCTExtRec; /* first extent record for catalog file */ |
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} MDB; |
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|
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typedef enum { |
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cdrDirRec = 1, |
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cdrFilRec = 2, |
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cdrThdRec = 3, |
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cdrFThdRec = 4 |
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} CatDataType; |
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|
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typedef struct { |
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SignedByte cdrType; /* record type */ |
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SignedByte cdrResrv2; /* reserved */ |
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union { |
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struct { /* cdrDirRec */ |
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APPLEInteger dirFlags; /* directory flags */ |
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UInteger dirVal; /* directory valence */ |
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ULongInt dirDirID; /* directory ID */ |
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LongInt dirCrDat; /* date and time of creation */ |
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LongInt dirMdDat; /* date and time of last modification */ |
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LongInt dirBkDat; /* date and time of last backup */ |
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DInfo dirUsrInfo; /* Finder information */ |
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DXInfo dirFndrInfo; /* additional Finder information */ |
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LongInt dirResrv[4]; /* reserved */ |
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} dir; |
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struct { /* cdrFilRec */ |
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SignedByte |
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filFlags; /* file flags */ |
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SignedByte |
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filTyp; /* file type */ |
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FInfo filUsrWds; /* Finder information */ |
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ULongInt filFlNum; /* file ID */ |
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UInteger filStBlk; /* first alloc block of data fork */ |
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ULongInt filLgLen; /* logical EOF of data fork */ |
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ULongInt filPyLen; /* physical EOF of data fork */ |
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UInteger filRStBlk; /* first alloc block of resource fork */ |
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ULongInt filRLgLen; /* logical EOF of resource fork */ |
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ULongInt filRPyLen; /* physical EOF of resource fork */ |
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LongInt filCrDat; /* date and time of creation */ |
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LongInt filMdDat; /* date and time of last modification */ |
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LongInt filBkDat; /* date and time of last backup */ |
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FXInfo filFndrInfo; /* additional Finder information */ |
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UInteger filClpSize; /* file clump size */ |
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ExtDataRec |
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filExtRec; /* first data fork extent record */ |
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ExtDataRec |
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filRExtRec; /* first resource fork extent record */ |
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LongInt filResrv; /* reserved */ |
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} fil; |
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struct { /* cdrThdRec */ |
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LongInt thdResrv[2]; /* reserved */ |
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ULongInt thdParID; /* parent ID for this directory */ |
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Str31 thdCName; /* name of this directory */ |
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} dthd; |
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struct { /* cdrFThdRec */ |
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LongInt fthdResrv[2]; /* reserved */ |
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ULongInt fthdParID; /* parent ID for this file */ |
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Str31 fthdCName; /* name of this file */ |
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} fthd; |
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} u; |
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} CatDataRec; |
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|
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typedef struct { |
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ULongInt ndFLink; /* forward link */ |
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ULongInt ndBLink; /* backward link */ |
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SignedByte ndType; /* node type */ |
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SignedByte ndNHeight; /* node level */ |
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UInteger ndNRecs; /* number of records in node */ |
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APPLEInteger ndResv2; /* reserved */ |
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} NodeDescriptor; |
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|
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enum { |
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ndIndxNode = (SignedByte) 0x00, |
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ndHdrNode = (SignedByte) 0x01, |
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ndMapNode = (SignedByte) 0x02, |
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ndLeafNode = (SignedByte) 0xff |
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}; |
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|
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typedef struct { |
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UInteger bthDepth; /* current depth of tree */ |
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ULongInt bthRoot; /* number of root node */ |
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ULongInt bthNRecs; /* number of leaf records in tree */ |
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ULongInt bthFNode; /* number of first leaf node */ |
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ULongInt bthLNode; /* number of last leaf node */ |
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UInteger bthNodeSize; /* size of a node */ |
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UInteger bthKeyLen; /* maximum length of a key */ |
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ULongInt bthNNodes; /* total number of nodes in tree */ |
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ULongInt bthFree; /* number of free nodes */ |
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SignedByte bthResv[76]; /* reserved */ |
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} BTHdrRec; |
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