275 lines
10 KiB
C
275 lines
10 KiB
C
/*
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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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*
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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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* $Id: apple.h,v 1.1 1998/04/11 08:27:11 rob Exp $
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*/
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#pragma once
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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 Integer;
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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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typedef struct {
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Integer sbSig; /* device signature (should be 0x4552) */
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Integer sbBlkSize; /* block size of the device (in bytes) */
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LongInt sbBlkCount; /* number of blocks on the device */
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Integer sbDevType; /* reserved */
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Integer sbDevId; /* reserved */
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LongInt sbData; /* reserved */
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Integer sbDrvrCount; /* number of driver descriptor entries */
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LongInt ddBlock; /* first driver's starting block */
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Integer ddSize; /* size of the driver, in 512-byte blocks */
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Integer ddType; /* driver operating system type (MacOS = 1) */
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Integer ddPad[243]; /* additional drivers, if any */
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} Block0;
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typedef struct {
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Integer pmSig; /* partition signature (0x504d or 0x5453) */
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Integer 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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Integer pmPad[188]; /* reserved */
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} Partition;
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typedef struct {
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Integer bbID; /* boot blocks signature */
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LongInt bbEntry; /* entry point to boot code */
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Integer bbVersion; /* boot blocks version number */
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Integer 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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Integer bbCntFCBs; /* number of FCBs to allocate */
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Integer 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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Integer 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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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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typedef ExtDescriptor ExtDataRec[3];
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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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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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typedef struct {
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Integer v; /* vertical coordinate */
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Integer h; /* horizontal coordinate */
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} Point;
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typedef struct {
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Integer top; /* top edge of rectangle */
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Integer left; /* left edge */
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Integer bottom; /* bottom edge */
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Integer right; /* right edge */
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} Rect;
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typedef struct {
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Rect frRect; /* folder's rectangle */
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Integer frFlags; /* flags */
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Point frLocation; /* folder's location */
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Integer frView; /* folder's view */
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} DInfo;
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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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Integer frUnused; /* reserved */
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Integer frComment; /* comment ID */
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LongInt frPutAway; /* directory ID */
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} DXInfo;
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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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Integer fdFlags; /* flags */
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Point fdLocation; /* file's location */
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Integer fdFldr; /* file's window */
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} FInfo;
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typedef struct {
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Integer fdIconID; /* icon ID */
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Integer fdUnused[4]; /* reserved */
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Integer fdComment; /* comment ID */
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LongInt fdPutAway; /* home directory ID */
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} FXInfo;
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typedef struct {
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Integer 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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Integer 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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Integer 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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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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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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Integer 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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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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Integer ndResv2; /* reserved */
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} NodeDescriptor;
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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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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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