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477 lines
19 KiB
Plaintext
477 lines
19 KiB
Plaintext
; Version: 2.95
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; Created: Friday, October 20, 1989 at 9:16:12 PM
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;
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; File: FSEqu.a
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;
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; Assembler Interface to the Macintosh Libraries
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; Copyright Apple Computer, Inc. 1984-1988
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; All Rights Reserved
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;
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; This file is used in these builds: Mac32 HcMac MacPP BigBang Sys606
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;
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; Change History (most recent first):
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;
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; <SM2> 8/3/93 BH Added VCB flags for use with manually ejectable volumes:
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; vcbManEjBit and vcbFlushCritBit.
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; <15> 8/14/91 JL changed lower case equ to EQU to match database output.
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; <14> 1/30/91 gbm sab, #38: Change the ‘already including this file’ variable to
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; all uppercase (for security reasons)
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; <13> 1/25/91 stb JDR: add constants missing in this file
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; <12> 12/5/90 dnf Change <11> was with dba.
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; <11> 12/5/90 dnf Add bHasBlankAccessPrivileges bit and volume meta buffer equates
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; for GetVolParms.
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; <10> 11/27/90 PWD Added equates for VolumeMount and its close relatives.
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; <9> 11/27/90 PWD Add VolumeMount equates
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; <8> 6/14/90 PK adding vcbAtBB, for sparing
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; <5> 3/16/90 dnf Add FSSpec
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; <4> 3/11/90 ngk Added more GetVolParms bits
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; <2> 2/4/90 DNF Added fsSBNegate
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; <1.3> 12/8/89 dnf Rolled in bit position equates for ioSpecBits in CatSearch
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; <1.2> 8/2/89 CCH Added HVolumeParam record variant.
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; <1.1> 2/6/89 CCH Added HParamBlock record.
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; <1.0> 11/9/88 CCH Adding to EASE.
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;
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;--------------------------------------------------------------------
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IF &TYPE('__INCLUDINGFSEQU__') = 'UNDEFINED' THEN
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__INCLUDINGFSEQU__ SET 1
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SigWord EQU $D2D7 ; signature bytes (MFS volume)
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TSigWord EQU $4244 ; signature bytes (HFS volume)
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HFSBit EQU 9 ; defines HFS bit in trap word
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;_______________________________________________________________________
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; fixed location labels: (equivalent of zero page)
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FSFCBLen EQU $3F6 ; HFS present flag / FCB size (-1 in old ROM)
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WDRfnMin EQU -32767 ; Lowest assigned WD RefNum
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WDRfnMax EQU -4096 ; largest possible WDrefnum
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HFSTagData EQU $38A ; Room for additional HFS tag data
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FCBSPtr EQU $34E ; ptr to FCBs
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DefVCBPtr EQU $352 ; pointer to default VCB
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VCBQHdr EQU $356 ; VCB queue header
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FSQHdr EQU $360 ; file system queue header (10 bytes)
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FSBusy EQU $360 ; non-zero when the file system is busy
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FSQHead EQU $362 ; ptr to 1st queued cmd: 0 when queue empty
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FSQTail EQU $366 ; ptr to last queue element
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;bit positions for ioSpecBits values for CatSearch <dnf 1.3>
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fsSBPartialName EQU 0 ; ioFileName points to a substring
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fsSBFullName EQU 1 ; ioFileName points to a match string
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fsSBFlAttrib EQU 2 ; search includes file attributes
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fsSBFlFndrInfo EQU 3 ; search includes finder info
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fsSBFlLgLen EQU 5 ; search includes data logical length
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fsSBFlPyLen EQU 6 ; search includes data physical length
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fsSBFlRLgLen EQU 7 ; search includes resource logical length
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fsSBFlRPyLen EQU 8 ; search includes resource physical length
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fsSBFlCrDat EQU 9 ; search includes create date
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fsSBFlMdDat EQU 10 ; search includes modification date
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fsSBFlBkDat EQU 11 ; search includes backup date
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fsSBFlXFndrInfo EQU 12 ; search includes extended finder info
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fsSBFlParID EQU 13 ; search includes file's parent ID
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fsSBNegate EQU 14 ; return all non-matches
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fsSBDrUsrWds EQU fsSBFlFndrInfo ; search includes directory finder info
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fsSBDrNmFls EQU 4 ; search includes directory valence
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fsSBDrCrDat EQU fsSBFlCrDat ; directory-named version of fsSBFlCrDat
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fsSBDrMdDat EQU fsSBFlMdDat ; directory-named version of fsSBFlMdDat
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fsSBDrBkDat EQU fsSBFlBkDat ; directory-named version of fsSBFlBkDat
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fsSBDrFndrInfo EQU fsSBFlXFndrInfo ; directory-named version of fsSBFlXFndrInfo
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fsSBDrParID EQU fsSBFlParID ; directory-named version of fsSBFlParID
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;layout of the GetVolParms buffer and vMAttrib bit values <dnf 1.3>
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vMVersion EQU 0
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vMAttrib EQU 2
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vMLocalHand EQU 6
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vMServerAdr EQU 10
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vMVolumeGrade EQU 14
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vMForeignPrivID EQU 18
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bLimitFCBs EQU 31
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bLocalWList EQU 30
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bNoMiniFndr EQU 29
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bNoVNEdit EQU 28
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bNoLclSync EQU 27
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bTrshOffLine EQU 26
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bNoSwitchTo EQU 25
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bNoDeskItems EQU 20
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bNoBootBlks EQU 19
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bAccessCntl EQU 18
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bNoSysDir EQU 17
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bHasExtFSVol EQU 16
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bHasOpenDeny EQU 15
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bHasCopyFile EQU 14
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bHasMoveRename EQU 13
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bHasDesktopMgr EQU 12
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bHasShortName EQU 11
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bHasFolderLock EQU 10
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bHasPersonalAccessPrivileges EQU 9
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bHasUserGroupList EQU 8
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bHasCatSearch EQU 7
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bHasFileIDs EQU 6
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bHasBtreeMgr EQU 5
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bHasBlankAccessPrivileges EQU 4
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; Foreign Privilege Model Identifiers
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fsUnixPriv EQU 1
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; Authentication Constants
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kNoUserAuthentication EQU 1
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kPassword EQU 2
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kEncryptPassword EQU 3
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kTwoWayEncryptPassword EQU 6
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; Version Release Stage Codes
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developStage EQU $20
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alphaStage EQU $40
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betaStage EQU $60
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finalStage EQU $80
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; FSSpec record
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FSSpec RECORD 0, INCREMENT
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vRefNum ds.w 1
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parID ds.l 1
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name ds.b 64
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size EQU *-FSSpec
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ENDR
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;;;
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;;; HParamBlockRec Record Common
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;;;
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HParamBlockRec RECORD 0
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qLink DS.L 1
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qType DS.W 1
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ioTrap DS.W 1
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ioCmdAddr DS.L 1
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ioCompletion DS.L 1
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ioResult DS.W 1
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ioNamePtr DS.L 1
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ioVRefNum DS.W 1
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ENDR
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;;;
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;;; HParamBlockRec.fileParam Record
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;;;
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HFileParam RECORD 24
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ioFRefNum DS.W 1
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ioFVersNum DS.B 1
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filler1 DS.B 1
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ioFDirIndex DS.W 1
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ioFlAttrib DS.B 1
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ioFlVersNum DS.B 1
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ioFlFndrInfo DS.L 4
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ioDirID DS.L 1
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ioFlStBlk DS.W 1
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ioFlLgLen DS.L 1
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ioFlPyLen DS.L 1
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ioFlRStBlk DS.W 1
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ioFlRLgLen DS.L 1
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ioFlRPyLen DS.L 1
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ioFlCrDat DS.L 1
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ioFlMdDat DS.L 1
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HFileParamSize EQU *
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ENDR
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;;;
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;;; HParamBlockRec.volumeParam Record
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;;;
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HVolumeParam RECORD 24
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filler2 DS.L 1
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ioVolIndex DS.W 1
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ioVCrDate DS.L 1
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ioVLsMod DS.L 1
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ioVAtrb DS.W 1
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ioVNmFls DS.W 1
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ioVBitMap DS.W 1
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ioAllocPtr DS.W 1
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ioVNmAlBlks DS.W 1
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ioVAlBlkSiz DS.L 1
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ioVClpSiz DS.L 1
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ioAlBlSt DS.W 1
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ioVNxtCNID DS.L 1
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ioVFrBlk DS.W 1
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ioVSigWord DS.W 1
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ioVDrvInfo DS.W 1
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ioVDRefNum DS.W 1
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ioVFSID DS.W 1
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ioVBkUp DS.L 1
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ioVSeqNum DS.W 1
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ioVWrCnt DS.L 1
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ioVFilCnt DS.L 1
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ioVDirCnt DS.L 1
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ioVFndrInfo DS.L 8
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HVolumeParamSize EQU *
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ENDR
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;
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; The VolumeMount trap equates
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;
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; The ioBuffer field should point to a structure that looks like the
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; record AFPVolMountBlock, below. Note that the header is actually a series
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; of offsets into a block that is different for each extfs.
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;
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; First you make a _GetVolMountInfoSize call on an existing volume, then allocate
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; a buffer of the size that it requests, the _GetVolMountInfo, then later
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; you pass the buffer modified by _GetVolMountInfo back and it mounts the volume.
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;
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AFPVolMountInfo RECORD 0, INCREMENT
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length ds.w 1
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media ds.l 1
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flags ds.w 1
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nbpInterval ds.b 1
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nbpCount ds.b 1
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uamType ds.w 1
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ZoneOffset ds.w 1
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serverNameOffset ds.w 1
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volNameOffset ds.w 1
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UserNameOffset ds.w 1
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UserPaswdOffset ds.w 1
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VolPaswdOffset ds.w 1
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size EQU *-AFPVolMountInfo
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ENDR
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AFPVolMountBlock RECORD 0, INCREMENT
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header ds.b AFPVolMountInfo.size
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zoneName ds.b 33
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serverName ds.b 32
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volName ds.b 28
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userName ds.b 32
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userPassword ds.b 9
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volPassword ds.b 9
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size EQU *-AFPVolMountBlock
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ENDR
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;
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; Volume Control Block equates: (prefix: VCB)
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;
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vcbFlags EQU 6 ; flags word is first word after header
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vcbManEjBit EQU 0 ; manual-eject bit: set if volume is in a manual-eject drive <SM1 BH 03Aug93>
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vcbFlushCritBit EQU 1 ; critical info bit: set if critical MDB information needs to <SM1 BH 03Aug93>
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; be written (for manual-eject drives)
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vcbDirty EQU 15 ; flags dirty bit (tst.w tests,clr.b clears)
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; first 64/104 bytes of VCB come directly from the directory master block
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vcbDInfoSt EQU 8 ; leave room for 6-byte queue header
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vcbDILen EQU 64 ; len of VCB data from master directory (from old FSEQU)
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vcbSigWord EQU 8 ; signature word
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vcbCrDate EQU 10 ; Creation date.
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vcbLsBkUp EQU 14 ; last backup date
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vcbLsMod EQU 14 ; alternate name for above
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vcbAtrb EQU 18 ; volume attributes. bit 15 = vol lock (1=locked)
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; bit 7 = wr protect
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; bit 6 = busy (1=busy)
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; bit 5 = volume consistent if set
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; (set for default on GetVolInfo)
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; bits 0-4 = consistency prob
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; 0: max CNID > VCBNxtCNID
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; 1: file count error
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; 2: file length error
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; 3: catalog B*-tree loop
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; 4: extent B*-tree loop
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vcbAtVOK EQU 8 ; attrib consistent volume flag (set on clean _Unmount)
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; (bit 8 in word, bit 0 in top byte)
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vcbAtBB EQU 9 ; bad blocks have been spared in this volume (bit 1 of top byte)
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vcbWrProt EQU 7 ; attrib write-protected bit (tst.b ATRB+1 tests)
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vcbNmFls EQU 20 ; number files in MFS dir
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; number files in HFS root dir
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vcbDirSt EQU 22 ; start dir (512-byte) block on diskette (MFS)
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vcbVBMSt EQU 22 ; same as VCBDirSt, starting block of allocation map (HFS) (overlaps)
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vcbBlLn EQU 24 ; length of dir in (512-byte) blocks (MFS)
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vcbAllocPtr EQU 24 ; same as VCBBlLn, Starting block for new file allocations
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vcbNmBlks EQU 26 ; number of blocks (of alloc size) this device
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vcbNmAlBlks EQU 26 ; (alternate label for a while)
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vcbAlBlkSiz EQU 28 ; num of bytes in an allocation block
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vcbClpSiz EQU 32 ; num of bytes to try to alloc as a clump
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vcbAlBlSt EQU 36 ; starting diskette (512-byte) block in block map
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vcbNxtCNID EQU 38 ; next free CNode identifier (HFS)
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vcbNxtFNum EQU 38 ; next free file number (MFS)
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vcbFreeBks EQU 42 ; number of free blocks on this volume
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vcbVN EQU 44 ; volume name (including name length byte)
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vcbMaxNam EQU 27 ; 27 byte max name length
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IOVDirLen EQU vcbVN-vcbCrDate ; Length of info to copy by GetVolInfo
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;
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; next 6 fields should be kept together
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;
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vcbDrvNum EQU 72 ; drive number for this VCB
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vcbDRefNum EQU 74 ; driver refnum for this VCB
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vcbFSID EQU 76 ; ID of file system handling this volume
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vcbVRefNum EQU 78 ; unique refnum for this VCB
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vcbMAdr EQU 80 ; volume map address (FS volume)
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vcbBufAdr EQU 84 ; volume buffer address
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vcbMLen EQU 88 ; length of volume map (FS volume)
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vcbDirIndex EQU 90 ; directory index, block number used for
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vcbDirBlk EQU 92 ; GetFileInfo searches by index
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MFSVCBLen EQU 94 ; Length of MFS VCB
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;
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; Volume Control Block (VCB) extensions for HFS copied from Volume Info Block:
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;
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vcbTDInfoSt EQU 94 ; Start of additional HFS info:
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vcbVolBkUp EQU 94 ; Date volume was last backed up
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vcbVSeqNum EQU 98 ; Index of volume in backup set
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vcbWrCnt EQU 100 ; Volume write count
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vcbXTClpSiz EQU 104 ; Extent B*-Tree clump size
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vcbCTClpSiz EQU 108 ; Catalog B*-Tree clump size
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vcbNmRtDirs EQU 112 ; Number of directories in root
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vcbFilCnt EQU 114 ; Total number of files in volume
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vcbDirCnt EQU 118 ; Total number of directories in volume
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vcbFndrInfo EQU 122 ; Finder info for volume
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vcbVCSize EQU 154 ; Volume cache size in blocks
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vcbVBMCSiz EQU 156 ; Bitmap cache size in blocks
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vcbCtlCSiz EQU 158 ; Extent and Catalog B*-Tree cache size (blocks)
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;
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; additional VCB information NOT copied from the MDB:
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;
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vcbXTAlBks EQU 160 ; Size of extent B*-Tree in allocation blocks
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vcbCTAlBks EQU 162 ; Size of catalog B*-Tree in allocation blocks
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vcbXTRef EQU 164 ; File RefNum for Extent B*-Tree
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vcbCTRef EQU 166 ; File RefNum for Catalog B*-Tree
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vcbCtlBuf EQU 168 ; Pointer to extent desc. and catalog caches
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vcbDirIDM EQU 172 ; Directory last searched: 0 if invalid.
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vcbOffsM EQU 176 ; Offspring index at last search
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vcbLength EQU 178 ; VCB byte length
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; File Control Block equates: (prefix: FCB)
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fcbModBit EQU 7 ; dirty bit for FCB entry in FCBMdRByt
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fcbOwnClp EQU 6 ; Clump-size specified flag (for truncate on close)
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fcbFilLck EQU 5 ; 1 if file is locked [write-protected]
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fcbShrWrt EQU 4 ; 1 if file is open for shared write access
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fcbWrtLck EQU 2 ; 1 if fork is reserved for write (byte range lock)
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fcbRscBit EQU 1 ; 1 if this is resource part (in FCBMdRByt)
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fcbWrtBit EQU 0 ; write permissions bit in FCBTypByt (1 if ok)
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fcbFlgMBit EQU 15 ; dirty bit in FCBFlags (word)
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fcbFlgCBit EQU 14 ; clump-size spec'd bit in FCBFlags (word)
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fcbFlgPBit EQU 13 ; Write-protected [file lock] bit in FCBFlags (word)
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fcbFlgSBit EQU 12 ; Shared-write bit in FCBFlags (word)
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fcbFlgLBit EQU 10 ; Byte range locked bit in FCBFlags (word)
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fcbFlgRBit EQU 9 ; resource bit in FCBFlags (word)
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fcbFlgWBit EQU 8 ; write permissions bit in FCBFlags (word)
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WrRsMask EQU $0300 ; rsrc/reg, write permissions mask
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PermMask EQU $1300 ; all bits related to access arbitration
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fcbFlNm EQU 0 ; FCB file number. Non-zero marks FCB used.
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fcbFlags EQU 4 ; FCB flags
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fcbMdRByt EQU 4 ; mod, write permissions, resource byte
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fcbTypByt EQU 5 ; type byte
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fcbSBlk EQU 6 ; File start block (in alloc size blks)
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fcbEOF EQU 8 ; logical length or EOF in bytes
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fcbPLen EQU 12 ; Physical file length in bytes
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fcbCrPs EQU 16 ; current position within file.
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ioFIStILen EQU 20 ; Length to straight copy from FCB on _GetFCBInfo
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fcbVPtr EQU 20 ; Absolute pointer to the corresponding VCB
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fcbBfAdr EQU 24 ; file's buffer address.
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fcbFlPos EQU 28 ; directory block this file is in
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MFSFCBLen EQU 30 ; Length of MFS FCB structure
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;
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; FCB Extensions for HFS:
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;
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fcbClmpSize EQU 30 ; Number of bytes per clump
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fcbBTCBPtr EQU 34 ; pointer to B*-Tree control block for this file
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fcbExtRec EQU 38 ; First 3 file extents
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fcbFType EQU 50 ; file's 4 Finder Type bytes
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fcbCatPos EQU 54 ; Catalog hint for use on Close
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fcbDirID EQU 58 ; Parent Directory ID
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fcbCName EQU 62 ; CName of open file
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fcbEntLen EQU 94 ; Length of each element in the FCB array
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;_______________________________________________________________________
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;
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; Directory master block entries: (Prefix Dr)
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;
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drSigWord EQU 0 ; signature word
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drCrDate EQU 2 ; Creation date.
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drLsMod EQU 6 ; last backup date
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drAtrb EQU 10 ; volume attributes. bit 15=write(locked=1)
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drNmFls EQU 12 ; number files in directory
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drDirSt EQU 14 ; start dir (512-byte) block on diskette
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drVBMSt EQU 14 ; starting sector of allocation map (overlaps)
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drBlLn EQU 16 ; length of dir in (512-byte) blocks
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drAllocPtr EQU 16 ; Start of next allocation search
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drNmAlBlks EQU 18 ; number of blocks (of alloc size) this volume
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drAlBlkSiz EQU 20 ; min num of bytes to allocate (must be 512 mult)
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drClpSiz EQU 24 ; num of bytes to try to alloc as a clump
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drAlBlSt EQU 28 ; starting diskette (512-byte) block in block map
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drNxtCNID EQU 30 ; Next CNode identifier
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drNxtFNum EQU 30 ; next free file number
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drFreeBks EQU 34 ; number of free blocks on this volume
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drVN EQU 36 ; volume name (including name length)
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MpTblStr EQU 64 ; byte start position of map table within
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; master dir block (MFS volume)
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;
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; Master Directory Block extensions for HFS:
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;
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drTInfoSt EQU 64
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drVolBkup EQU 64 ; Date of last volume backup (overlaps)
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drVSeqNum EQU 68 ; Sequence number of volume within backup set
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drWrCnt EQU 70 ; Volume write count
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drXTClpSiz EQU 74 ; Extent B*-Tree clump size
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drCTClpSiz EQU 78 ; Catalog B*-Tree clump size
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drNmRtDirs EQU 82 ; Number of subdirectories in the root
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drFilCnt EQU 84 ; Total number of files in volume
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drDirCnt EQU 88 ; Total number of directories in volume
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drFndrInfo EQU 92 ; Finder info for volume
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drVCSize EQU 124 ; Volume cache size
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drVBMCSize EQU 126 ; Volume Bitmap cache size
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drCtlCSize EQU 128 ; Size of common volume cache
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;
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; length of additional VCB data from master directory block for HFS volumes:
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;
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vcbTDILen EQU 130-drTInfoSt
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;
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; Information not copied into VCB:
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;
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drXTFlSize EQU 130 ; Length of extent B*-Tree (LEOF and PEOF)
|
||
drXTExtRec EQU 134 ; First (and only) extent-tree extent record
|
||
drCTFlSize EQU 146 ; Length of catalog B*-Tree (LEOF and PEOF)
|
||
drCTExtRec EQU 150 ; First catalog extent record
|
||
LenMDB EQU 162 ; length of full MDB
|
||
drUsrInfo EQU 256 ; User information for volume
|
||
;_______________________________________________________________________
|
||
;
|
||
; File Entry equates: (prefix: Fl)
|
||
; (delete indication may be needed; for now just check VCB del fnum . . .)
|
||
flWrtFlag EQU 0 ; write-allowed bit in flags byte (0 if allowed)
|
||
flTypMask EQU $FE ; (user file-type in bits 1-7)
|
||
flFlags EQU 0 ; bit 7=1 (used), bit 0=file lock flag
|
||
flTyp EQU 1 ; file type (used as a name extension)
|
||
flUsrWds EQU 2 ; user words for file. (16 bytes)
|
||
flFlNum EQU 18 ; file number
|
||
flStBlk EQU 22 ; Start file block (alloc blk size)(0000 if none)
|
||
flLgLen EQU 24 ; File logical length in bytes (EOF)
|
||
flPyLen EQU 28 ; File physical length in bytes
|
||
flRStBlk EQU 32 ; Start file block, resource fork (0000 if none)
|
||
flRLgLen EQU 34 ; File logical length (EOF), resource fork
|
||
flRPyLen EQU 38 ; File physical length, resource fork
|
||
flCrDat EQU 42 ; File creation date & time (32 bits in seconds)
|
||
flMdDat EQU 46 ; last modification date & time (32 bits in seconds)
|
||
flNam EQU 50 ; file name, starting with length byte
|
||
flNTLen EQU 50 ; length of each file entry, excluding name
|
||
;_______________________________________________________________________
|
||
;
|
||
; Working Directory Control Block equates: (prefix: WD)
|
||
;
|
||
WDVCBPtr EQU 0 ; pointer to VCB of residing WD (longint)
|
||
WDDirID EQU 4 ; WD directory Identification (longint)
|
||
WDCatHint EQU 8 ; Catalog node hint
|
||
WDProcID EQU 12 ; process that created WD
|
||
WDCBLen EQU 16 ; Length of a WDCB
|
||
;_______________________________________________________________________
|
||
;
|
||
; Poor Man's Search Path equates: (prefix: SP)
|
||
;
|
||
PMSPHook EQU -6 ; Hook for PMSP modification
|
||
PMSPIndx EQU -2 ; Index to PMSP index from start of PMSP
|
||
SPHdrSize EQU 6 ; Size of negative-offset header
|
||
SPVRefNum EQU 0 ; Offset to VRefNum in PMSP entry
|
||
SPDirID EQU 2 ; Offset to Directory ID in PMSP entry
|
||
SPEntLen EQU 6 ; Length of a PMSP entry
|
||
MaxDVCnt EQU 8 ; Leave room for 8 default VRefNums
|
||
PMSPSize EQU MaxDVCnt*SPEntLen+SPHdrSize+2
|
||
; Size of PMSP table +header + index word
|
||
; 31744 = $7C00, a nice round number close to
|
||
; (32767*1000)/1024, which is about the largest
|
||
; free space unsuspecting, decimal-K minded apps
|
||
; might be expected to handle.
|
||
AlBlkLim EQU 31744
|
||
|
||
ENDIF ; ...already included
|