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-{
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- $Id$
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- This file is part of the Free Pascal run time library.
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- Copyright (c) 1999-2000 by Carl Eric Codere
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- Some parts taken from
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- Marcel Timmermans - Modula 2 Compiler
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- Nils Sjoholm - Amiga porter
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- Matthew Dillon - Dice C (with his kind permission)
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- [email protected]
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-
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- See the file COPYING.FPC, included in this distribution,
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- for details about the copyright.
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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.
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-
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- **********************************************************************}
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-unit {$ifdef VER1_0}sysamiga{$else}{$ifdef VER0_99}sysamiga{$ELSE}system{$endif}{$ENDIF};
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-
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-{--------------------------------------------------------------------}
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-{ LEFT TO DO: }
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-{--------------------------------------------------------------------}
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-{ o GetDir with different drive numbers }
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-{--------------------------------------------------------------------}
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-
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-{$I os.inc}
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-
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-{ AmigaOS uses character #10 as eoln only }
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-{$DEFINE SHORT_LINEBREAK}
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-
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- interface
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-
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- {$I systemh.inc}
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-
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-type
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- THandle = longint;
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-
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- {$I heaph.inc}
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-
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-{Platform specific information}
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-const
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- LineEnding = #10;
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- LFNSupport = true;
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- DirectorySeparator = '/';
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- DriveSeparator = ':';
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- PathSeparator = ';';
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- FileNameCaseSensitive = false;
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-
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- sLineBreak: string [1] = LineEnding;
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-
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- { used for single computations }
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- const BIAS4 = $7f-1;
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-
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-const
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- UnusedHandle : longint = -1;
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- StdInputHandle : longint = 0;
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- StdOutputHandle : longint = 0;
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- StdErrorHandle : longint = 0;
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-
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- _ExecBase:longint = $4;
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- _WorkbenchMsg : longint = 0;
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-
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- _IntuitionBase : pointer = nil; { intuition library pointer }
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- _DosBase : pointer = nil; { DOS library pointer }
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- _UtilityBase : pointer = nil; { utiity library pointer }
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-
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- { Required for crt unit }
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- function do_read(h,addr,len : longint) : longint;
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- function do_write(h,addr,len : longint) : longint;
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-
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-
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-
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-
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-
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- implementation
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-
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- const
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-
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- intuitionname : pchar = 'intuition.library';
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- dosname : pchar = 'dos.library';
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- utilityname : pchar = 'utility.library';
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- argc : longint = 0;
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- { AmigaOS does not autoamtically deallocate memory on program termination }
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- { therefore we have to handle this manually. This is a list of allocated }
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- { pointers from the OS, we cannot use a linked list, because the linked }
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- { list itself uses the HEAP! }
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- pointerlist : array[1..8] of longint =
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- (0,0,0,0,0,0,0,0);
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-
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-
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- TYPE
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- { from exec.inc}
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- BPTR = Longint;
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- ULONG = Longint;
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-
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-
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- pNode = ^tNode;
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- tNode = packed Record
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- ln_Succ, { * Pointer to next (successor) * }
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- ln_Pred : pNode; { * Pointer to previous (predecessor) * }
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- ln_Type : Byte;
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- ln_Pri : Shortint; { * Priority, for sorting * }
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- ln_Name : PChar; { * ID string, null terminated * }
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- End; { * Note: Integer aligned * }
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-
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- pMinNode = ^tMinNode;
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- tMinNode = packed Record
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- mln_Succ,
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- mln_Pred : pMinNode;
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- End;
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-
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- pList = ^tList;
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- tList = packed record
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- lh_Head : pNode;
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- lh_Tail : pNode;
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- lh_TailPred : pNode;
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- lh_Type : Byte;
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- l_pad : Byte;
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- end;
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-
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-{ minimum list -- no type checking possible }
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-
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- pMinList = ^tMinList;
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- tMinList = packed record
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- mlh_Head : pMinNode;
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- mlh_Tail : pMinNode;
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- mlh_TailPred : pMinNode;
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- end;
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-
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- pMsgPort = ^tMsgPort;
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- tMsgPort = packed record
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- mp_Node : tNode;
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- mp_Flags : Byte;
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- mp_SigBit : Byte; { signal bit number }
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- mp_SigTask : Pointer; { task to be signalled (TaskPtr) }
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- mp_MsgList : tList; { message linked list }
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- end;
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-
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- pTask = ^tTask;
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- tTask = packed record
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- tc_Node : tNode;
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- tc_Flags : Byte;
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- tc_State : Byte;
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- tc_IDNestCnt : Shortint; { intr disabled nesting }
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- tc_TDNestCnt : Shortint; { task disabled nesting }
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- tc_SigAlloc : ULONG; { sigs allocated }
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- tc_SigWait : ULONG; { sigs we are waiting for }
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- tc_SigRecvd : ULONG; { sigs we have received }
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- tc_SigExcept : ULONG; { sigs we will take excepts for }
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- tc_TrapAlloc : Word; { traps allocated }
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- tc_TrapAble : Word; { traps enabled }
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- tc_ExceptData : Pointer; { points to except data }
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- tc_ExceptCode : Pointer; { points to except code }
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- tc_TrapData : Pointer; { points to trap data }
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- tc_TrapCode : Pointer; { points to trap code }
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- tc_SPReg : Pointer; { stack pointer }
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- tc_SPLower : Pointer; { stack lower bound }
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- tc_SPUpper : Pointer; { stack upper bound + 2 }
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- tc_Switch : Pointer; { task losing CPU }
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- tc_Launch : Pointer; { task getting CPU }
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- tc_MemEntry : tList; { allocated memory }
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- tc_UserData : Pointer; { per task data }
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- end;
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- { end exec.inc}
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-
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- TYPE
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- TDateStamp = packed record
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- ds_Days : Longint; { Number of days since Jan. 1, 1978 }
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- ds_Minute : Longint; { Number of minutes past midnight }
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- ds_Tick : Longint; { Number of ticks past minute }
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- end;
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- PDateStamp = ^TDateStamp;
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-
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-
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- PFileInfoBlock = ^TfileInfoBlock;
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- TFileInfoBlock = packed record
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- fib_DiskKey : Longint;
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- fib_DirEntryType : Longint;
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- { Type of Directory. If < 0, then a plain file.
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- If > 0 a directory }
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- fib_FileName : Array [0..107] of Char;
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- { Null terminated. Max 30 chars used for now }
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- fib_Protection : Longint;
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- { bit mask of protection, rwxd are 3-0. }
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- fib_EntryType : Longint;
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- fib_Size : Longint; { Number of bytes in file }
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- fib_NumBlocks : Longint; { Number of blocks in file }
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- fib_Date : TDateStamp; { Date file last changed }
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- fib_Comment : Array [0..79] of Char;
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- { Null terminated comment associated with file }
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- fib_Reserved : Array [0..35] of Char;
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- end;
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-
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-
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- TProcess = packed record
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- pr_Task : TTask;
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- pr_MsgPort : TMsgPort; { This is BPTR address from DOS functions }
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-{126} pr_Pad : Word; { Remaining variables on 4 byte boundaries }
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-{128} pr_SegList : Pointer; { Array of seg lists used by this process }
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-{132} pr_StackSize : Longint; { Size of process stack in bytes }
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-{136} pr_GlobVec : Pointer; { Global vector for this process (BCPL) }
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-{140} pr_TaskNum : Longint; { CLI task number of zero if not a CLI }
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-{144} pr_StackBase : BPTR; { Ptr to high memory end of process stack }
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-{148} pr_Result2 : Longint; { Value of secondary result from last call }
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-{152} pr_CurrentDir : BPTR; { Lock associated with current directory }
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-{156} pr_CIS : BPTR; { Current CLI Input Stream }
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-{160} pr_COS : BPTR; { Current CLI Output Stream }
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-{164} pr_ConsoleTask : Pointer; { Console handler process for current window}
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-{168} pr_FileSystemTask : Pointer; { File handler process for current drive }
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-{172} pr_CLI : BPTR; { pointer to ConsoleLineInterpreter }
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- pr_ReturnAddr : Pointer; { pointer to previous stack frame }
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- pr_PktWait : Pointer; { Function to be called when awaiting msg }
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- pr_WindowPtr : Pointer; { Window for error printing }
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- { following definitions are new with 2.0 }
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- pr_HomeDir : BPTR; { Home directory of executing program }
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- pr_Flags : Longint; { flags telling dos about process }
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- pr_ExitCode : Pointer; { code to call on exit of program OR NULL }
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- pr_ExitData : Longint; { Passed as an argument to pr_ExitCode. }
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- pr_Arguments : PChar; { Arguments passed to the process at start }
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- pr_LocalVars : TMinList; { Local environment variables }
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- pr_ShellPrivate : Longint; { for the use of the current shell }
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- pr_CES : BPTR; { Error stream - IF NULL, use pr_COS }
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- end;
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- PProcess = ^TProcess;
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-
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- { AmigaOS does not automatically close opened files on exit back to }
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- { the operating system, therefore as a precuation we close all files }
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- { manually on exit. }
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- PFileList = ^TFileList;
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- TFileList = record { no packed, must be correctly aligned }
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- Handle: longint; { Handle to file }
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- next: pfilelist; { Next file in list }
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- closed: boolean; { TRUE=file already closed }
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- end;
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-
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-
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-
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-
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- Const
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- CTRL_C = 20; { Error code on CTRL-C press }
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- SIGBREAKF_CTRL_C = $1000; { CTRL-C signal flags }
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-
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- _LVOFindTask = -294;
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- _LVOWaitPort = -384;
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- _LVOGetMsg = -372;
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- _LVOOpenLibrary = -552;
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- _LVOCloseLibrary = -414;
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- _LVOClose = -36;
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- _LVOOpen = -30;
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- _LVOIoErr = -132;
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- _LVOSeek = -66;
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- _LVODeleteFile = -72;
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- _LVORename = -78;
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- _LVOWrite = -48;
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- _LVORead = -42;
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- _LVOCreateDir = -120;
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- _LVOSetCurrentDirName = -558;
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- _LVOGetCurrentDirName = -564;
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- _LVOInput = -54;
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- _LVOOutput = -60;
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- _LVOUnLock = -90;
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- _LVOLock = -84;
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- _LVOCurrentDir = -126;
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-
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- _LVONameFromLock = -402;
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- _LVONameFromFH = -408;
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- _LVOGetProgramName = -576;
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- _LVOGetProgramDir = -600;
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- _LVODupLock = -96;
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- _LVOExamine = -102;
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- _LVOParentDir = -210;
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- _LVOSetFileSize = -456;
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- _LVOSetSignal = -306;
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- _LVOAllocVec = -684;
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- _LVOFreeVec = -690;
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-
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-
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- { Errors from IoErr(), etc. }
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- ERROR_NO_FREE_STORE = 103;
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- ERROR_TASK_TABLE_FULL = 105;
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- ERROR_BAD_TEMPLATE = 114;
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- ERROR_BAD_NUMBER = 115;
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- ERROR_REQUIRED_ARG_MISSING = 116;
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- ERROR_KEY_NEEDS_ARG = 117;
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- ERROR_TOO_MANY_ARGS = 118;
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- ERROR_UNMATCHED_QUOTES = 119;
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- ERROR_LINE_TOO_LONG = 120;
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- ERROR_FILE_NOT_OBJECT = 121;
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- ERROR_INVALID_RESIDENT_LIBRARY = 122;
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- ERROR_NO_DEFAULT_DIR = 201;
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- ERROR_OBJECT_IN_USE = 202;
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- ERROR_OBJECT_EXISTS = 203;
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- ERROR_DIR_NOT_FOUND = 204;
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- ERROR_OBJECT_NOT_FOUND = 205;
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- ERROR_BAD_STREAM_NAME = 206;
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- ERROR_OBJECT_TOO_LARGE = 207;
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- ERROR_ACTION_NOT_KNOWN = 209;
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- ERROR_INVALID_COMPONENT_NAME = 210;
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- ERROR_INVALID_LOCK = 211;
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- ERROR_OBJECT_WRONG_TYPE = 212;
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- ERROR_DISK_NOT_VALIDATED = 213;
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- ERROR_DISK_WRITE_PROTECTED = 214;
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- ERROR_RENAME_ACROSS_DEVICES = 215;
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- ERROR_DIRECTORY_NOT_EMPTY = 216;
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- ERROR_TOO_MANY_LEVELS = 217;
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- ERROR_DEVICE_NOT_MOUNTED = 218;
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- ERROR_SEEK_ERROR = 219;
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- ERROR_COMMENT_TOO_BIG = 220;
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- ERROR_DISK_FULL = 221;
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- ERROR_DELETE_PROTECTED = 222;
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- ERROR_WRITE_PROTECTED = 223;
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- ERROR_READ_PROTECTED = 224;
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- ERROR_NOT_A_DOS_DISK = 225;
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- ERROR_NO_DISK = 226;
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- ERROR_NO_MORE_ENTRIES = 232;
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- { added for 1.4 }
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- ERROR_IS_SOFT_LINK = 233;
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- ERROR_OBJECT_LINKED = 234;
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- ERROR_BAD_HUNK = 235;
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- ERROR_NOT_IMPLEMENTED = 236;
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- ERROR_RECORD_NOT_LOCKED = 240;
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- ERROR_LOCK_COLLISION = 241;
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- ERROR_LOCK_TIMEOUT = 242;
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- ERROR_UNLOCK_ERROR = 243;
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-
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-
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-
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- var
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- Initial: boolean; { Have successfully opened Std I/O }
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- errno : word; { AmigaOS IO Error number }
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- FileList : pFileList; { Linked list of opened files }
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- {old_exit: Pointer; not needed anymore }
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- FromHalt : boolean;
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- OrigDir : Longint; { Current lock on original startup directory }
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-
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- {$I system.inc}
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- {$I lowmath.inc}
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-
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-
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-
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-
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- { ************************ AMIGAOS STUB ROUTINES ************************* }
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-
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- procedure DateStamp(var ds : tDateStamp);
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- begin
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- asm
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- MOVE.L A6,-(A7)
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- MOVE.L ds,d1
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- { LAST THING TO SETUP SHOULD BE A6, otherwise you can }
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- { not accept local variable, nor any parameters! :) }
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- MOVE.L _DOSBase,A6
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- JSR -192(A6)
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- MOVE.L (A7)+,A6
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- end;
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- end;
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-
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-
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-
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- { UNLOCK the BPTR pointed to in L }
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- Procedure Unlock(alock: longint);
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- Begin
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- asm
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- move.l alock,d1
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- move.l a6,d6 { save base pointer }
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- move.l _DosBase,a6
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- jsr _LVOUnlock(a6)
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- move.l d6,a6 { restore base pointer }
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- end;
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- end;
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-
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- { Change to the directory pointed to in the lock }
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- Function CurrentDir(alock : longint) : longint;
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- Begin
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- asm
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- move.l alock,d1
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- move.l a6,d6 { save base pointer }
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- move.l _DosBase,a6
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- jsr _LVOCurrentDir(a6)
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- move.l d6,a6 { restore base pointer }
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- move.l d0,@Result
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- end;
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- end;
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-
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- { Duplicate a lock }
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- Function DupLock(alock: longint): Longint;
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- Begin
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- asm
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- move.l alock,d1
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- move.l a6,d6 { save base pointer }
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- move.l _DosBase,a6
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- jsr _LVODupLock(a6)
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- move.l d6,a6 { restore base pointer }
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- move.l d0,@Result
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- end;
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- end;
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-
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- { Returns a lock on the directory was loaded from }
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|
- Function GetProgramLock: longint;
|
|
|
- Begin
|
|
|
- asm
|
|
|
- move.l a6,d6 { save base pointer }
|
|
|
- move.l _DosBase,a6
|
|
|
- jsr _LVOGetProgramDir(a6)
|
|
|
- move.l d6,a6 { restore base pointer }
|
|
|
- move.l d0,@Result
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
- Function Examine(alock :longint; var fib: TFileInfoBlock) : Boolean;
|
|
|
- Begin
|
|
|
- asm
|
|
|
- move.l d2,-(sp)
|
|
|
- move.l fib,d2 { pointer to FIB }
|
|
|
- move.l alock,d1
|
|
|
- move.l a6,d6 { save base pointer }
|
|
|
- move.l _DosBase,a6
|
|
|
- jsr _LVOExamine(a6)
|
|
|
- move.l d6,a6 { restore base pointer }
|
|
|
- tst.l d0
|
|
|
- bne @success
|
|
|
- bra @end
|
|
|
- @success:
|
|
|
- move.b #1,d0
|
|
|
- @end:
|
|
|
- move.b d0,@Result
|
|
|
- move.l (sp)+,d2
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
- { Returns the parent directory of a lock }
|
|
|
- Function ParentDir(alock : longint): longint;
|
|
|
- Begin
|
|
|
- asm
|
|
|
- move.l alock,d1
|
|
|
- move.l a6,d6 { save base pointer }
|
|
|
- move.l _DosBase,a6
|
|
|
- jsr _LVOParentDir(a6)
|
|
|
- move.l d6,a6 { restore base pointer }
|
|
|
- move.l d0,@Result
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- Function FindTask(p : PChar): PProcess;
|
|
|
- Begin
|
|
|
- asm
|
|
|
- move.l a6,d6 { Save base pointer }
|
|
|
- move.l p,d0
|
|
|
- move.l d0,a1
|
|
|
- move.l _ExecBase,a6
|
|
|
- jsr _LVOFindTask(a6)
|
|
|
- move.l d6,a6 { Restore base pointer }
|
|
|
- move.l d0,@Result
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
-{$S-}
|
|
|
- Procedure stack_check; assembler;
|
|
|
- { Check for local variable allocation }
|
|
|
- { On Entry -> d0 : size of local stack we are trying to allocate }
|
|
|
- asm
|
|
|
- XDEF STACKCHECK
|
|
|
- move.l sp,d1 { get value of stack pointer }
|
|
|
-
|
|
|
- { We must add some security, because Writing the RunError strings }
|
|
|
- { requires a LOT of stack space (at least 1030 bytes!) }
|
|
|
- add.l #2048,d0
|
|
|
- sub.l d0,d1 { sp - stack_size }
|
|
|
-
|
|
|
- move.l _ExecBase,a0
|
|
|
- move.l 276(A0),A0 { ExecBase.thisTask }
|
|
|
- { if allocated stack_pointer - splower <= 0 then stack_ovf }
|
|
|
- cmp.l 58(A0),D1 { Task.SpLower }
|
|
|
- bgt @Ok
|
|
|
- move.l #202,d0
|
|
|
- jsr HALT_ERROR { stack overflow }
|
|
|
- @Ok:
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- { This routine from EXEC determines if the Ctrl-C key has }
|
|
|
- { been used since the last call to I/O routines. }
|
|
|
- { Use to halt the program. }
|
|
|
- { Returns the state of the old signals. }
|
|
|
- Function SetSignal(newSignal: longint; SignalMask: longint): longint;
|
|
|
- Begin
|
|
|
- asm
|
|
|
- move.l newSignal,d0
|
|
|
- move.l SignalMask,d1
|
|
|
- move.l a6,d6 { save Base pointer into scratch register }
|
|
|
- move.l _ExecBase,a6
|
|
|
- jsr _LVOSetSignal(a6)
|
|
|
- move.l d6,a6
|
|
|
- move.l d0,@Result
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- Function AllocVec(bytesize: longint; attributes: longint):longint;
|
|
|
- Begin
|
|
|
- asm
|
|
|
- move.l bytesize,d0
|
|
|
- move.l attributes,d1
|
|
|
- move.l a6,d6 { save Base pointer into scratch register }
|
|
|
- move.l _ExecBase,a6
|
|
|
- jsr _LVOAllocVec(a6)
|
|
|
- move.l d6,a6
|
|
|
- move.l d0,@Result
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- Procedure FreeVec(p: longint);
|
|
|
- Begin
|
|
|
- asm
|
|
|
- move.l p,a1
|
|
|
- move.l a6,d6 { save Base pointer into scratch register }
|
|
|
- move.l _ExecBase,a6
|
|
|
- jsr _LVOFreeVec(a6)
|
|
|
- move.l d6,a6
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- { Converts an AMIGAOS error code to a TP compatible error code }
|
|
|
- Procedure Error2InOut;
|
|
|
- Begin
|
|
|
- case errno of
|
|
|
- ERROR_BAD_NUMBER,
|
|
|
- ERROR_ACTION_NOT_KNOWN,
|
|
|
- ERROR_NOT_IMPLEMENTED : InOutRes := 1;
|
|
|
-
|
|
|
- ERROR_OBJECT_NOT_FOUND : InOutRes := 2;
|
|
|
- ERROR_DIR_NOT_FOUND : InOutRes := 3;
|
|
|
-
|
|
|
- ERROR_DISK_WRITE_PROTECTED : InOutRes := 150;
|
|
|
-
|
|
|
- ERROR_OBJECT_WRONG_TYPE : InOutRes := 151;
|
|
|
-
|
|
|
- ERROR_OBJECT_EXISTS,
|
|
|
- ERROR_DELETE_PROTECTED,
|
|
|
- ERROR_WRITE_PROTECTED,
|
|
|
- ERROR_READ_PROTECTED,
|
|
|
- ERROR_OBJECT_IN_USE,
|
|
|
- ERROR_DIRECTORY_NOT_EMPTY : InOutRes := 5;
|
|
|
-
|
|
|
- ERROR_NO_MORE_ENTRIES : InOutRes := 18;
|
|
|
-
|
|
|
- ERROR_RENAME_ACROSS_DEVICES : InOutRes := 17;
|
|
|
-
|
|
|
- ERROR_DISK_FULL : InOutRes := 101;
|
|
|
-
|
|
|
- ERROR_INVALID_RESIDENT_LIBRARY : InoutRes := 153;
|
|
|
- ERROR_BAD_HUNK : InOutRes := 153;
|
|
|
-
|
|
|
- ERROR_NOT_A_DOS_DISK : InOutRes := 157;
|
|
|
-
|
|
|
- ERROR_NO_DISK,
|
|
|
- ERROR_DISK_NOT_VALIDATED,
|
|
|
- ERROR_DEVICE_NOT_MOUNTED : InOutRes := 152;
|
|
|
-
|
|
|
- ERROR_SEEK_ERROR : InOutRes := 156;
|
|
|
-
|
|
|
- ERROR_LOCK_COLLISION,
|
|
|
- ERROR_LOCK_TIMEOUT,
|
|
|
- ERROR_UNLOCK_ERROR,
|
|
|
- ERROR_INVALID_LOCK,
|
|
|
- ERROR_INVALID_COMPONENT_NAME,
|
|
|
- ERROR_BAD_STREAM_NAME,
|
|
|
- ERROR_FILE_NOT_OBJECT : InOutRes := 6;
|
|
|
- else
|
|
|
- InOutres := errno;
|
|
|
- end;
|
|
|
- errno:=0;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- procedure CloseLibrary(lib : pointer);
|
|
|
- { Close the library pointed to in lib }
|
|
|
- Begin
|
|
|
- asm
|
|
|
- MOVE.L A6,-(A7)
|
|
|
- MOVE.L lib,a1
|
|
|
- MOVE.L _ExecBase,A6
|
|
|
- JSR _LVOCloseLibrary(A6)
|
|
|
- MOVE.L (A7)+,A6
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- Function KickVersion: word; assembler;
|
|
|
- asm
|
|
|
- move.l _ExecBase, a0 { Get Exec Base }
|
|
|
- move.w 20(a0), d0 { Return version - version at this offset }
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- { ************************ AMIGAOS SUPP ROUTINES ************************* }
|
|
|
-
|
|
|
-(* Procedure CloseList(p: pFileList);*)
|
|
|
- (***********************************************************************)
|
|
|
- (* PROCEDURE CloseList *)
|
|
|
- (* Description: This routine each time the program is about to *)
|
|
|
- (* terminate, it closes all opened file handles, as this is not *)
|
|
|
- (* handled by the operating system. *)
|
|
|
- (* p -> Start of linked list of opened files *)
|
|
|
- (***********************************************************************)
|
|
|
-(* var
|
|
|
- hp: pFileList;
|
|
|
- hp1: pFileList;
|
|
|
- h: longint;
|
|
|
- Begin
|
|
|
- hp:=p;
|
|
|
- while Assigned(hp) do
|
|
|
- Begin
|
|
|
- if NOT hp^.closed then
|
|
|
- Begin
|
|
|
- h:=hp^.handle;
|
|
|
- if (h <> StdInputHandle) and (h <> StdOutputHandle) and (h <> StdErrorHandle) then
|
|
|
- Begin
|
|
|
- { directly close file here, it is faster then doing }
|
|
|
- { it do_close. }
|
|
|
- asm
|
|
|
- move.l h,d1
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOClose(a6)
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- end;
|
|
|
- end;
|
|
|
- end;
|
|
|
- hp1:=hp;
|
|
|
- hp:=hp^.next;
|
|
|
- dispose(hp1);
|
|
|
- end;
|
|
|
- end;*)
|
|
|
-
|
|
|
-
|
|
|
-(* Procedure AddToList(var p: pFileList; h: longint);*)
|
|
|
- (***********************************************************************)
|
|
|
- (* PROCEDURE AddToList *)
|
|
|
- (* Description: Adds a node to the linked list of files. *)
|
|
|
- (* *)
|
|
|
- (* p -> Start of File list linked list, if not allocated allocates *)
|
|
|
- (* it for you. *)
|
|
|
- (* h -> handle of file to add *)
|
|
|
- (***********************************************************************)
|
|
|
-(* var
|
|
|
- hp: pFileList;
|
|
|
- hp1: pFileList;
|
|
|
- Begin
|
|
|
- if p = nil then
|
|
|
- Begin
|
|
|
- new(p);
|
|
|
- p^.handle:=h;
|
|
|
- p^.closed := FALSE;
|
|
|
- p^.next := nil;
|
|
|
- exit;
|
|
|
- end;
|
|
|
- hp:=p;
|
|
|
- { Find last list in entry }
|
|
|
- while assigned(hp) do
|
|
|
- Begin
|
|
|
- if hp^.next = nil then break;
|
|
|
- hp:=hp^.next;
|
|
|
- end;
|
|
|
- { Found last list in entry then add it to the list }
|
|
|
- new(hp1);
|
|
|
- hp^.next:=hp1;
|
|
|
- hp1^.next:=nil;
|
|
|
- hp1^.handle:=h;
|
|
|
- hp1^.closed:=FALSE;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- Procedure SetClosedList(var p: pFileList; h: longint);
|
|
|
- { Set the file flag to closed if the file is being closed }
|
|
|
- var
|
|
|
- hp: pFileList;
|
|
|
- Begin
|
|
|
- hp:=p;
|
|
|
- while assigned(hp) do
|
|
|
- Begin
|
|
|
- if hp^.handle = h then
|
|
|
- Begin
|
|
|
- hp^.closed:=TRUE;
|
|
|
- break;
|
|
|
- end;
|
|
|
- hp:=hp^.next;
|
|
|
- end;
|
|
|
- end;*)
|
|
|
-
|
|
|
-
|
|
|
-{*****************************************************************************
|
|
|
- System Dependent Exit code
|
|
|
-*****************************************************************************}
|
|
|
- Procedure system_exit;
|
|
|
- var
|
|
|
- i: byte;
|
|
|
- Begin
|
|
|
- { We must remove the CTRL-C FALG here because halt }
|
|
|
- { may call I/O routines, which in turn might call }
|
|
|
- { halt, so a recursive stack crash }
|
|
|
- IF (SetSignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 THEN
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- { Close remaining opened files }
|
|
|
-{ CloseList(FileList); }
|
|
|
- if (OrigDir <> 0) then
|
|
|
- Begin
|
|
|
- Unlock(CurrentDir(OrigDir));
|
|
|
- OrigDir := 0;
|
|
|
- end;
|
|
|
- { Is this a normal exit - YES, close libs }
|
|
|
- IF NOT FromHalt then
|
|
|
- Begin
|
|
|
- { close the libraries }
|
|
|
- If _UtilityBase <> nil then
|
|
|
- CloseLibrary(_UtilityBase);
|
|
|
- If _DosBase <> nil then
|
|
|
- CloseLibrary(_DosBase);
|
|
|
- If _IntuitionBase <> nil then
|
|
|
- CloseLibrary(_IntuitionBase);
|
|
|
- _UtilityBase := nil;
|
|
|
- _DosBase := nil;
|
|
|
- _IntuitionBase := nil;
|
|
|
- end;
|
|
|
- { Dispose of extraneous allocated pointers }
|
|
|
- for I:=1 to 8 do
|
|
|
- Begin
|
|
|
- if pointerlist[i] <> 0 then FreeVec(pointerlist[i]);
|
|
|
- end;
|
|
|
- { exitproc:=old_exit;obsolete }
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- procedure halt(errnum : byte);
|
|
|
- begin
|
|
|
- { Indicate to the SYSTEM EXIT procedure that we are calling it }
|
|
|
- { from halt, and that its library will be closed HERE and not }
|
|
|
- { in the exit procedure. }
|
|
|
- FromHalt:=TRUE;
|
|
|
- { We must remove the CTRL-C FALG here because halt }
|
|
|
- { may call I/O routines, which in turn might call }
|
|
|
- { halt, so a recursive stack crash }
|
|
|
- IF (SetSignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 THEN
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- { WE can only FLUSH the stdio }
|
|
|
- { if the handles have correctly }
|
|
|
- { been set. }
|
|
|
- { No exit procedures exist }
|
|
|
- { if in initial state }
|
|
|
- If NOT Initial then
|
|
|
- Begin
|
|
|
- do_exit;
|
|
|
- flush(stderr);
|
|
|
- end;
|
|
|
- { close the libraries }
|
|
|
- If _UtilityBase <> nil then
|
|
|
- CloseLibrary(_UtilityBase);
|
|
|
- If _DosBase <> nil then
|
|
|
- CloseLibrary(_DosBase);
|
|
|
- If _IntuitionBase <> nil then
|
|
|
- CloseLibrary(_IntuitionBase);
|
|
|
- _UtilityBase := nil;
|
|
|
- _DosBase := nil;
|
|
|
- _IntuitionBase := nil;
|
|
|
- asm
|
|
|
- clr.l d0
|
|
|
- move.b errnum,d0
|
|
|
- move.l STKPTR,sp
|
|
|
- rts
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
- { ************************ PARAMCOUNT/PARAMSTR *************************** }
|
|
|
-
|
|
|
- function paramcount : longint;
|
|
|
- Begin
|
|
|
- paramcount := argc;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- function args : pointer; assembler;
|
|
|
- asm
|
|
|
- move.l __ARGS,d0
|
|
|
- end;
|
|
|
-
|
|
|
- Function GetParamCount(const p: pchar): longint;
|
|
|
- var
|
|
|
- i: word;
|
|
|
- count: word;
|
|
|
- Begin
|
|
|
- i:=0;
|
|
|
- count:=0;
|
|
|
- while p[count] <> #0 do
|
|
|
- Begin
|
|
|
- if (p[count] <> ' ') and (p[count] <> #9) and (p[count] <> #0) then
|
|
|
- Begin
|
|
|
- i:=i+1;
|
|
|
- while (p[count] <> ' ') and (p[count] <> #9) and (p[count] <> #0) do
|
|
|
- count:=count+1;
|
|
|
- end;
|
|
|
- if p[count] = #0 then break;
|
|
|
- count:=count+1;
|
|
|
- end;
|
|
|
- GetParamCount:=longint(i);
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- Function GetParam(index: word; const p : pchar): string;
|
|
|
- { On Entry: index = string index to correct parameter }
|
|
|
- { On exit: = correct character index into pchar array }
|
|
|
- { Returns correct index to command line argument }
|
|
|
- var
|
|
|
- count: word;
|
|
|
- localindex: word;
|
|
|
- l: byte;
|
|
|
- temp: string;
|
|
|
- Begin
|
|
|
- temp:='';
|
|
|
- count := 0;
|
|
|
- { first index is one }
|
|
|
- localindex := 1;
|
|
|
- l:=0;
|
|
|
- While p[count] <> #0 do
|
|
|
- Begin
|
|
|
- if (p[count] <> ' ') and (p[count] <> #9) then
|
|
|
- Begin
|
|
|
- if localindex = index then
|
|
|
- Begin
|
|
|
- while (p[count] <> #0) and (p[count] <> ' ') and (p[count] <> #9) and (l < 256) do
|
|
|
- Begin
|
|
|
- temp:=temp+p[count];
|
|
|
- l:=l+1;
|
|
|
- count:=count+1;
|
|
|
- end;
|
|
|
- temp[0]:=char(l);
|
|
|
- GetParam:=temp;
|
|
|
- exit;
|
|
|
- end;
|
|
|
- { Point to next argument in list }
|
|
|
- while (p[count] <> #0) and (p[count] <> ' ') and (p[count] <> #9) do
|
|
|
- Begin
|
|
|
- count:=count+1;
|
|
|
- end;
|
|
|
- localindex:=localindex+1;
|
|
|
- end;
|
|
|
- if p[count] = #0 then break;
|
|
|
- count:=count+1;
|
|
|
- end;
|
|
|
- GetParam:=temp;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- Function GetProgramDir : String;
|
|
|
- var
|
|
|
- s1: string;
|
|
|
- alock: longint;
|
|
|
- counter : byte;
|
|
|
- Begin
|
|
|
- FillChar(@s1,255,#0);
|
|
|
- { GetLock of program directory }
|
|
|
- asm
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOGetProgramDir(a6)
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- move.l d0,alock { save the lock }
|
|
|
- end;
|
|
|
- if alock <> 0 then
|
|
|
- Begin
|
|
|
- { Get the name from the lock! }
|
|
|
- asm
|
|
|
- movem.l d2/d3,-(sp) { save used registers }
|
|
|
- move.l alock,d1
|
|
|
- lea s1,a0 { Get pointer to string! }
|
|
|
- move.l a0,d2
|
|
|
- add.l #1,d2 { let us point past the length byte! }
|
|
|
- move.l #255,d3
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVONameFromLock(a6)
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- movem.l (sp)+,d2/d3
|
|
|
- end;
|
|
|
- { no check out the length of the string }
|
|
|
- counter := 1;
|
|
|
- while s1[counter] <> #0 do
|
|
|
- Inc(counter);
|
|
|
- s1[0] := char(counter-1);
|
|
|
- GetProgramDir := s1;
|
|
|
- end
|
|
|
- else
|
|
|
- GetProgramDir := '';
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- Function GetProgramName : string;
|
|
|
- { Returns ONLY the program name }
|
|
|
- { There seems to be a bug in v39 since if the program is not }
|
|
|
- { called from its home directory the program name will also }
|
|
|
- { contain the path! }
|
|
|
- var
|
|
|
- s1: string;
|
|
|
- counter : byte;
|
|
|
- Begin
|
|
|
- FillChar(@s1,255,#0);
|
|
|
- asm
|
|
|
- move.l d2,-(sp) { Save used register }
|
|
|
- lea s1,a0 { Get pointer to string! }
|
|
|
- move.l a0,d1
|
|
|
- add.l #1,d1 { point to correct offset }
|
|
|
- move.l #255,d2
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOGetProgramName(a6)
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- move.l (sp)+,d2 { restore saved register }
|
|
|
- end;
|
|
|
- { no check out and assign the length of the string }
|
|
|
- counter := 1;
|
|
|
- while s1[counter] <> #0 do
|
|
|
- Inc(counter);
|
|
|
- s1[0] := char(counter-1);
|
|
|
- { now remove any component path which should not be there }
|
|
|
- for counter:=length(s1) downto 1 do
|
|
|
- if (s1[counter] = '/') or (s1[counter] = ':') then break;
|
|
|
- { readjust counterv to point to character }
|
|
|
- if counter <> 1 then
|
|
|
- Inc(counter);
|
|
|
- GetProgramName:=copy(s1,counter,length(s1));
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
- function paramstr(l : longint) : string;
|
|
|
- var
|
|
|
- p : pchar;
|
|
|
- s1 : string;
|
|
|
- begin
|
|
|
- { -> Call AmigaOS GetProgramName }
|
|
|
- if l = 0 then
|
|
|
- Begin
|
|
|
- s1 := GetProgramDir;
|
|
|
- { If this is a root, then simply don't add '/' }
|
|
|
- if s1[length(s1)] = ':' then
|
|
|
- paramstr:=s1+GetProgramName
|
|
|
- else
|
|
|
- { add backslash directory }
|
|
|
- paramstr:=s1+'/'+GetProgramName
|
|
|
- end
|
|
|
- else
|
|
|
- if (l>0) and (l<=paramcount) then
|
|
|
- begin
|
|
|
- p:=args;
|
|
|
- paramstr:=GetParam(word(l),p);
|
|
|
- end
|
|
|
- else paramstr:='';
|
|
|
- end;
|
|
|
-
|
|
|
- { ************************************************************************ }
|
|
|
-
|
|
|
- procedure randomize;
|
|
|
-
|
|
|
- var
|
|
|
- hl : longint;
|
|
|
- time : TDateStamp;
|
|
|
- begin
|
|
|
- DateStamp(time);
|
|
|
- randseed:=time.ds_tick;
|
|
|
- end;
|
|
|
-
|
|
|
-function getheapstart:pointer;assembler;
|
|
|
-asm
|
|
|
- lea.l HEAP,a0
|
|
|
- move.l a0,d0
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-function getheapsize:longint;assembler;
|
|
|
-asm
|
|
|
- move.l HEAP_SIZE,d0
|
|
|
-end ['D0'];
|
|
|
-
|
|
|
- { This routine is used to grow the heap. }
|
|
|
- { But here we do a trick, we say that the }
|
|
|
- { heap cannot be regrown! }
|
|
|
- function sbrk( size: longint): pointer;
|
|
|
- var
|
|
|
- { on exit -1 = if fails. }
|
|
|
- p: longint;
|
|
|
- i: byte;
|
|
|
- Begin
|
|
|
- p:=0;
|
|
|
- { Is the pointer list full }
|
|
|
- if pointerlist[8] <> 0 then
|
|
|
- begin
|
|
|
- { yes, then don't allocate and simply exit }
|
|
|
- sbrk:=nil;
|
|
|
- exit;
|
|
|
- end;
|
|
|
- { Allocate best available memory }
|
|
|
- p:=AllocVec(size,0);
|
|
|
- if p = 0 then
|
|
|
- sbrk:=nil
|
|
|
- else
|
|
|
- Begin
|
|
|
- i:=1;
|
|
|
- { add it to the list of allocated pointers }
|
|
|
- { first find the last pointer in the list }
|
|
|
- while (i < 8) and (pointerlist[i] <> 0) do
|
|
|
- i:=i+1;
|
|
|
- pointerlist[i]:=p;
|
|
|
- sbrk:=pointer(p);
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-{$I heap.inc}
|
|
|
-
|
|
|
-
|
|
|
-{****************************************************************************
|
|
|
- Low Level File Routines
|
|
|
- ****************************************************************************}
|
|
|
-
|
|
|
-procedure do_close(h : longint);
|
|
|
-{ We cannot check for CTRL-C because this routine will be called }
|
|
|
-{ on HALT to close all remaining opened files. Therefore no }
|
|
|
-{ CTRL-C checking otherwise a recursive call might result! }
|
|
|
-{$ifdef debug}
|
|
|
-var
|
|
|
- buffer: array[0..255] of char;
|
|
|
-{$endif}
|
|
|
-begin
|
|
|
- { check if the file handle is in the list }
|
|
|
- { if so the put its field to closed }
|
|
|
-{ SetClosedList(FileList,h);}
|
|
|
-{$ifdef debug}
|
|
|
- asm
|
|
|
- move.l h,d1
|
|
|
- move.l a6,d6
|
|
|
- move.l d2,-(sp)
|
|
|
- move.l d3,-(sp)
|
|
|
- lea buffer,a0
|
|
|
- move.l a0,d2
|
|
|
- move.l #255,d3
|
|
|
- move.l _DosBase,a6
|
|
|
- jsr _LVONameFromFH(a6)
|
|
|
- move.l d6,a6
|
|
|
- move.l (sp)+,d3
|
|
|
- move.l (sp)+,d2
|
|
|
- end;
|
|
|
- WriteLn(Buffer);
|
|
|
-{$endif debug}
|
|
|
- asm
|
|
|
- move.l h,d1
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOClose(a6)
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- end;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-function do_isdevice(handle:longint):boolean;
|
|
|
-begin
|
|
|
- if (handle=stdoutputhandle) or (handle=stdinputhandle) or
|
|
|
- (handle=stderrorhandle) then
|
|
|
- do_isdevice:=TRUE
|
|
|
- else
|
|
|
- do_isdevice:=FALSE;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-procedure do_erase(p : pchar);
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- asm
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
-
|
|
|
- move.l p,d1
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVODeleteFile(a6)
|
|
|
- tst.l d0 { zero = failure }
|
|
|
- bne @noerror
|
|
|
-
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
-
|
|
|
- @noerror:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- end;
|
|
|
- if errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-procedure do_rename(p1,p2 : pchar);
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- asm
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
- move.l d2,-(sp) { save d2 }
|
|
|
-
|
|
|
- move.l p1,d1
|
|
|
- move.l p2,d2
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVORename(a6)
|
|
|
- move.l (sp)+,d2 { restore d2 }
|
|
|
- tst.l d0
|
|
|
- bne @dosreend { if zero = error }
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- @dosreend:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- end;
|
|
|
- if errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-function do_write(h,addr,len : longint) : longint;
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- if len <= 0 then
|
|
|
- Begin
|
|
|
- do_write:=0;
|
|
|
- exit;
|
|
|
- end;
|
|
|
- asm
|
|
|
- move.l a6,d6
|
|
|
-
|
|
|
- movem.l d2/d3,-(sp)
|
|
|
- move.l h,d1 { we must of course set up the }
|
|
|
- move.l addr,d2 { parameters BEFORE getting }
|
|
|
- move.l len,d3 { _DOSBase }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOWrite(a6)
|
|
|
- movem.l (sp)+,d2/d3
|
|
|
-
|
|
|
- cmp.l #-1,d0
|
|
|
- bne @doswrend { if -1 = error }
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- bra @doswrend2
|
|
|
- @doswrend:
|
|
|
- { we must restore the base pointer before setting the result }
|
|
|
- move.l d6,a6
|
|
|
- move.l d0,@RESULT
|
|
|
- bra @end
|
|
|
- @doswrend2:
|
|
|
- move.l d6,a6
|
|
|
- @end:
|
|
|
- end;
|
|
|
- If errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-function do_read(h,addr,len : longint) : longint;
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- if len <= 0 then
|
|
|
- Begin
|
|
|
- do_read:=0;
|
|
|
- exit;
|
|
|
- end;
|
|
|
- asm
|
|
|
- move.l a6,d6
|
|
|
-
|
|
|
- movem.l d2/d3,-(sp)
|
|
|
- move.l h,d1 { we must set up aparamters BEFORE }
|
|
|
- move.l addr,d2 { setting up a6 for the OS call }
|
|
|
- move.l len,d3
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVORead(a6)
|
|
|
- movem.l (sp)+,d2/d3
|
|
|
-
|
|
|
- cmp.l #-1,d0
|
|
|
- bne @doswrend { if -1 = error }
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- bra @doswrend2
|
|
|
- @doswrend:
|
|
|
- { to store a result for the function }
|
|
|
- { we must of course first get back the}
|
|
|
- { base pointer! }
|
|
|
- move.l d6,a6
|
|
|
- move.l d0,@RESULT
|
|
|
- bra @end
|
|
|
- @doswrend2:
|
|
|
- move.l d6,a6
|
|
|
- @end:
|
|
|
- end;
|
|
|
- If errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-function do_filepos(handle : longint) : longint;
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- { Clear CTRL-C signal }
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- asm
|
|
|
- move.l a6,d6
|
|
|
-
|
|
|
- move.l handle,d1
|
|
|
- move.l d2,-(sp)
|
|
|
- move.l d3,-(sp) { save registers }
|
|
|
-
|
|
|
- clr.l d2 { offset 0 }
|
|
|
- move.l #0,d3 { OFFSET_CURRENT }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOSeek(a6)
|
|
|
-
|
|
|
- move.l (sp)+,d3 { restore registers }
|
|
|
- move.l (sp)+,d2
|
|
|
- cmp.l #-1,d0 { is there a file access error? }
|
|
|
- bne @noerr
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- bra @fposend
|
|
|
- @noerr:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- move.l d0,@Result
|
|
|
- bra @end
|
|
|
- @fposend:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- @end:
|
|
|
- end;
|
|
|
- If errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-procedure do_seek(handle,pos : longint);
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- { Clear CTRL-C signal }
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- asm
|
|
|
- move.l a6,d6
|
|
|
-
|
|
|
- move.l handle,d1
|
|
|
- move.l d2,-(sp)
|
|
|
- move.l d3,-(sp) { save registers }
|
|
|
-
|
|
|
- move.l pos,d2
|
|
|
- { -1 }
|
|
|
- move.l #$ffffffff,d3 { OFFSET_BEGINNING }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOSeek(a6)
|
|
|
-
|
|
|
- move.l (sp)+,d3 { restore registers }
|
|
|
- move.l (sp)+,d2
|
|
|
- cmp.l #-1,d0 { is there a file access error? }
|
|
|
- bne @noerr
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- bra @seekend
|
|
|
- @noerr:
|
|
|
- @seekend:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- end;
|
|
|
- If errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-function do_seekend(handle:longint):longint;
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- { Clear CTRL-C signal }
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- asm
|
|
|
- { seek from end of file }
|
|
|
- move.l a6,d6
|
|
|
-
|
|
|
- move.l handle,d1
|
|
|
- move.l d2,-(sp)
|
|
|
- move.l d3,-(sp) { save registers }
|
|
|
-
|
|
|
- clr.l d2
|
|
|
- move.l #1,d3 { OFFSET_END }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOSeek(a6)
|
|
|
-
|
|
|
- move.l (sp)+,d3 { restore registers }
|
|
|
- move.l (sp)+,d2
|
|
|
- cmp.l #-1,d0 { is there a file access error? }
|
|
|
- bne @noerr
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- bra @seekend
|
|
|
- @noerr:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- move.l d0,@Result
|
|
|
- bra @end
|
|
|
- @seekend:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- @end:
|
|
|
- end;
|
|
|
- If Errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-function do_filesize(handle : longint) : longint;
|
|
|
-var
|
|
|
- aktfilepos : longint;
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- { Clear CTRL-C signal }
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- aktfilepos:=do_filepos(handle);
|
|
|
- { We have to do this two times, because seek returns the }
|
|
|
- { OLD position }
|
|
|
- do_filesize:=do_seekend(handle);
|
|
|
- do_filesize:=do_seekend(handle);
|
|
|
- do_seek(handle,aktfilepos);
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-procedure do_truncate (handle,pos:longint);
|
|
|
-begin
|
|
|
- { Point to the end of the file }
|
|
|
- { with the new size }
|
|
|
- asm
|
|
|
- @noerr_one: { Seek a second time }
|
|
|
- move.l a6,d6 { Save base pointer }
|
|
|
-
|
|
|
- move.l handle,d1
|
|
|
- move.l d2,-(sp)
|
|
|
- move.l d3,-(sp) { save registers }
|
|
|
-
|
|
|
- move.l pos,d2
|
|
|
- move.l #-1,d3 { Setup correct move type }
|
|
|
- move.l _DOSBase,a6 { from beginning of file }
|
|
|
- jsr _LVOSetFileSize(a6)
|
|
|
-
|
|
|
- move.l (sp)+,d3 { restore registers }
|
|
|
- move.l (sp)+,d2
|
|
|
- cmp.l #-1,d0 { is there a file access error? }
|
|
|
- bne @noerr
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno { Global variable, so no need }
|
|
|
- @noerr: { to restore base pointer now }
|
|
|
- move.l d6,a6 { Restore base pointer }
|
|
|
- end;
|
|
|
- If Errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-procedure do_open(var f;p:pchar;flags:longint);
|
|
|
-{
|
|
|
- filerec and textrec have both handle and mode as the first items so
|
|
|
- they could use the same routine for opening/creating.
|
|
|
- when (flags and $100) the file will be append
|
|
|
- when (flags and $1000) the file will be truncate/rewritten
|
|
|
- when (flags and $10000) there is no check for close (needed for textfiles)
|
|
|
-}
|
|
|
-var
|
|
|
- i,j : longint;
|
|
|
- oflags: longint;
|
|
|
- path : string;
|
|
|
- buffer : array[0..255] of char;
|
|
|
- index : integer;
|
|
|
- s : string;
|
|
|
-begin
|
|
|
- path:=strpas(p);
|
|
|
- for index:=1 to length(path) do
|
|
|
- if path[index]='\' then path[index]:='/';
|
|
|
- { remove any dot characters and replace by their current }
|
|
|
- { directory equivalent. }
|
|
|
- if pos('../',path) = 1 then
|
|
|
- { look for parent directory }
|
|
|
- Begin
|
|
|
- delete(path,1,3);
|
|
|
- getdir(0,s);
|
|
|
- j:=length(s);
|
|
|
- while (s[j] <> '/') AND (s[j] <> ':') AND (j > 0 ) do
|
|
|
- dec(j);
|
|
|
- if j > 0 then
|
|
|
- s:=copy(s,1,j);
|
|
|
- path:=s+path;
|
|
|
- end
|
|
|
- else
|
|
|
- if pos('./',path) = 1 then
|
|
|
- { look for current directory }
|
|
|
- Begin
|
|
|
- delete(path,1,2);
|
|
|
- getdir(0,s);
|
|
|
- if (s[length(s)] <> '/') and (s[length(s)] <> ':') then
|
|
|
- s:=s+'/';
|
|
|
- path:=s+path;
|
|
|
- end;
|
|
|
- move(path[1],buffer,length(path));
|
|
|
- buffer[length(path)]:=#0;
|
|
|
- { close first if opened }
|
|
|
- if ((flags and $10000)=0) then
|
|
|
- begin
|
|
|
- case filerec(f).mode of
|
|
|
- fminput,fmoutput,fminout : Do_Close(filerec(f).handle);
|
|
|
- fmclosed : ;
|
|
|
- else
|
|
|
- begin
|
|
|
- inoutres:=102; {not assigned}
|
|
|
- exit;
|
|
|
- end;
|
|
|
- end;
|
|
|
- end;
|
|
|
-{ reset file handle }
|
|
|
- filerec(f).handle:=UnusedHandle;
|
|
|
-{ convert filemode to filerec modes }
|
|
|
- { READ/WRITE on existing file }
|
|
|
- { RESET/APPEND }
|
|
|
- oflags := 1005;
|
|
|
- case (flags and 3) of
|
|
|
- 0 : begin
|
|
|
- filerec(f).mode:=fminput;
|
|
|
- end;
|
|
|
- 1 : filerec(f).mode:=fmoutput;
|
|
|
- 2 : filerec(f).mode:=fminout;
|
|
|
- end;
|
|
|
- { READ/WRITE mode, create file in all cases }
|
|
|
- { REWRITE }
|
|
|
- if (flags and $1000)<>0 then
|
|
|
- begin
|
|
|
- filerec(f).mode:=fmoutput;
|
|
|
- oflags := 1006;
|
|
|
- end
|
|
|
- else
|
|
|
- { READ/WRITE mode on existing file }
|
|
|
- { APPEND }
|
|
|
- if (flags and $100)<>0 then
|
|
|
- begin
|
|
|
- filerec(f).mode:=fmoutput;
|
|
|
- oflags := 1005;
|
|
|
- end;
|
|
|
-{ empty name is special }
|
|
|
- if p[0]=#0 then
|
|
|
- begin
|
|
|
- case filerec(f).mode of
|
|
|
- fminput : filerec(f).handle:=StdInputHandle;
|
|
|
- fmappend,
|
|
|
- fmoutput : begin
|
|
|
- filerec(f).handle:=StdOutputHandle;
|
|
|
- filerec(f).mode:=fmoutput; {fool fmappend}
|
|
|
- end;
|
|
|
- end;
|
|
|
- exit;
|
|
|
- end;
|
|
|
- asm
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
- move.l d2,-(sp)
|
|
|
- lea buffer,a0
|
|
|
- move.l a0,d1
|
|
|
- move.l oflags,d2 { MODE_READWRITE }
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOOpen(a6)
|
|
|
- tst.l d0
|
|
|
- bne @noopenerror { on zero an error occured }
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- bra @openend
|
|
|
- @noopenerror:
|
|
|
- move.l (sp)+,d2
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- move.l d0,i { we need the base pointer to access this variable }
|
|
|
- bra @end
|
|
|
- @openend:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- move.l (sp)+,d2
|
|
|
- @end:
|
|
|
- end;
|
|
|
-(* if Errno = 0 then*)
|
|
|
- { No error, add file handle to linked list }
|
|
|
- { this must be checked before the call to }
|
|
|
- { Error2InIOut since it resets Errno to 0 }
|
|
|
-(* AddToList(FileList,i);*)
|
|
|
- If Errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-
|
|
|
- filerec(f).handle:=i;
|
|
|
- if ((Flags and $100) <> 0) and
|
|
|
- (FileRec (F).Handle <> UnusedHandle) then
|
|
|
- do_seekend(filerec(f).handle);
|
|
|
-
|
|
|
-end;
|
|
|
-
|
|
|
-{*****************************************************************************
|
|
|
- UnTyped File Handling
|
|
|
-*****************************************************************************}
|
|
|
-
|
|
|
-{$i file.inc}
|
|
|
-
|
|
|
-{*****************************************************************************
|
|
|
- Typed File Handling
|
|
|
-*****************************************************************************}
|
|
|
-
|
|
|
-{$i typefile.inc}
|
|
|
-
|
|
|
-{*****************************************************************************
|
|
|
- Text File Handling
|
|
|
-*****************************************************************************}
|
|
|
-
|
|
|
-{$i text.inc}
|
|
|
-
|
|
|
-{*****************************************************************************
|
|
|
- Directory Handling
|
|
|
-*****************************************************************************}
|
|
|
-
|
|
|
-procedure mkdir(const s : string);[IOCheck];
|
|
|
-var
|
|
|
- buffer : array[0..255] of char;
|
|
|
- j: Integer;
|
|
|
- temp : string;
|
|
|
-begin
|
|
|
- { We must check the Ctrl-C before IOChecking of course! }
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- { Clear CTRL-C signal }
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- If InOutRes <> 0 then exit;
|
|
|
- temp:=s;
|
|
|
- for j:=1 to length(temp) do
|
|
|
- if temp[j] = '\' then temp[j] := '/';
|
|
|
- move(temp[1],buffer,length(temp));
|
|
|
- buffer[length(temp)]:=#0;
|
|
|
- asm
|
|
|
- move.l a6,d6
|
|
|
- { we must load the parameters BEFORE setting up the }
|
|
|
- { OS call with a6 }
|
|
|
- lea buffer,a0
|
|
|
- move.l a0,d1
|
|
|
- move.l _DosBase,a6
|
|
|
- jsr _LVOCreateDir(a6)
|
|
|
- tst.l d0
|
|
|
- bne @noerror
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- bra @end
|
|
|
-@noerror:
|
|
|
- { Now we must unlock the directory }
|
|
|
- { d0 = lock returned by create dir }
|
|
|
- move.l d0,d1
|
|
|
- jsr _LVOUnlock(a6)
|
|
|
-@end:
|
|
|
- { restore base pointer }
|
|
|
- move.l d6,a6
|
|
|
- end;
|
|
|
- If errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-procedure rmdir(const s : string);[IOCheck];
|
|
|
-var
|
|
|
- buffer : array[0..255] of char;
|
|
|
- j : Integer;
|
|
|
- temp : string;
|
|
|
-begin
|
|
|
- { We must check the Ctrl-C before IOChecking of course! }
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- { Clear CTRL-C signal }
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- If InOutRes <> 0 then exit;
|
|
|
- temp:=s;
|
|
|
- for j:=1 to length(temp) do
|
|
|
- if temp[j] = '\' then temp[j] := '/';
|
|
|
- move(temp[1],buffer,length(temp));
|
|
|
- buffer[length(temp)]:=#0;
|
|
|
- do_erase(buffer);
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-procedure chdir(const s : string);[IOCheck];
|
|
|
-var
|
|
|
- buffer : array[0..255] of char;
|
|
|
- alock : longint;
|
|
|
- FIB :pFileInfoBlock;
|
|
|
- j: integer;
|
|
|
- temp : string;
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- { Clear CTRL-C signal }
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- If InOutRes <> 0 then exit;
|
|
|
- temp:=s;
|
|
|
- for j:=1 to length(temp) do
|
|
|
- if temp[j] = '\' then temp[j] := '/';
|
|
|
- { Return parent directory }
|
|
|
- if s = '..' then
|
|
|
- Begin
|
|
|
- getdir(0,temp);
|
|
|
- j:=length(temp);
|
|
|
- { Look through the previous paths }
|
|
|
- while (temp[j] <> '/') AND (temp[j] <> ':') AND (j > 0 ) do
|
|
|
- dec(j);
|
|
|
- if j > 0 then
|
|
|
- temp:=copy(temp,1,j);
|
|
|
- end;
|
|
|
- alock := 0;
|
|
|
- fib:=nil;
|
|
|
- new(fib);
|
|
|
-
|
|
|
- move(temp[1],buffer,length(temp));
|
|
|
- buffer[length(temp)]:=#0;
|
|
|
- { Changing the directory is a pretty complicated affair }
|
|
|
- { 1) Obtain a lock on the directory }
|
|
|
- { 2) CurrentDir the lock }
|
|
|
- asm
|
|
|
- lea buffer,a0
|
|
|
- move.l a0,d1 { pointer to buffer in d1 }
|
|
|
- move.l d2,-(sp) { save d2 register }
|
|
|
- move.l #-2,d2 { ACCESS_READ lock }
|
|
|
- move.l a6,d6 { Save base pointer }
|
|
|
- move.l _DosBase,a6
|
|
|
- jsr _LVOLock(a6){ Lock the directory }
|
|
|
- move.l (sp)+,d2 { Restore d2 register }
|
|
|
- tst.l d0 { zero = error! }
|
|
|
- bne @noerror
|
|
|
- jsr _LVOIoErr(a6)
|
|
|
- move.w d0,errno
|
|
|
- move.l d6,a6 { reset base pointer }
|
|
|
- bra @End
|
|
|
- @noerror:
|
|
|
- move.l d6,a6 { reset base pointer }
|
|
|
- move.l d0,alock { save the lock }
|
|
|
- @End:
|
|
|
- end;
|
|
|
- If errno <> 0 then
|
|
|
- Begin
|
|
|
- Error2InOut;
|
|
|
- exit;
|
|
|
- end;
|
|
|
- if (Examine(alock, fib^) = TRUE) AND (fib^.fib_DirEntryType > 0) then
|
|
|
- Begin
|
|
|
- alock := CurrentDir(alock);
|
|
|
- if OrigDir = 0 then
|
|
|
- Begin
|
|
|
- OrigDir := alock;
|
|
|
- alock := 0;
|
|
|
- end;
|
|
|
- end;
|
|
|
- if alock <> 0 then
|
|
|
- Unlock(alock);
|
|
|
- if assigned(fib) then dispose(fib);
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
- Procedure GetCwd(var path: string);
|
|
|
- var
|
|
|
- lock: longint;
|
|
|
- fib: PfileInfoBlock;
|
|
|
- len : integer;
|
|
|
- newlock : longint;
|
|
|
- elen : integer;
|
|
|
- Process : PProcess;
|
|
|
- Begin
|
|
|
- len := 0;
|
|
|
- path := '';
|
|
|
- fib := nil;
|
|
|
- { By using a pointer instead of a local variable}
|
|
|
- { we are assured that the pointer is aligned on }
|
|
|
- { a dword boundary. }
|
|
|
- new(fib);
|
|
|
- Process := FindTask(nil);
|
|
|
- if (process^.pr_Task.tc_Node.ln_Type = NT_TASK) then
|
|
|
- Begin
|
|
|
- path:='';
|
|
|
- exit;
|
|
|
- end;
|
|
|
- lock := DupLock(process^.pr_CurrentDir);
|
|
|
- if (Lock = 0) then
|
|
|
- Begin
|
|
|
- path:='';
|
|
|
- exit;
|
|
|
- end;
|
|
|
-
|
|
|
- While (lock <> 0) and (Examine(lock,FIB^) = TRUE) do
|
|
|
- Begin
|
|
|
- elen := strlen(fib^.fib_FileName);
|
|
|
- if (len + elen + 2 > 255) then
|
|
|
- break;
|
|
|
- newlock := ParentDir(lock);
|
|
|
- if (len <> 0) then
|
|
|
- Begin
|
|
|
- if (newlock <> 0) then
|
|
|
- path:='/'+path
|
|
|
- else
|
|
|
- path:=':'+path;
|
|
|
- path:=strpas(fib^.fib_FileName)+path;
|
|
|
- Inc(len);
|
|
|
- end
|
|
|
- else
|
|
|
- Begin
|
|
|
- path:=strpas(fib^.fib_Filename);
|
|
|
- if (newlock = 0) then
|
|
|
- path:=path+':';
|
|
|
- end;
|
|
|
-
|
|
|
- len := len + elen;
|
|
|
-
|
|
|
- UnLock(lock);
|
|
|
- lock := newlock;
|
|
|
- end;
|
|
|
- if (lock <> 0) then
|
|
|
- Begin
|
|
|
- UnLock(lock);
|
|
|
- path := '';
|
|
|
- end;
|
|
|
- if assigned(fib) then dispose(fib);
|
|
|
- end;
|
|
|
-
|
|
|
-
|
|
|
-procedure getdir(drivenr : byte;var dir : string);
|
|
|
-begin
|
|
|
- if (Setsignal(0,0) AND SIGBREAKF_CTRL_C) <> 0 then
|
|
|
- Begin
|
|
|
- { Clear CTRL-C signal }
|
|
|
- SetSignal(0,SIGBREAKF_CTRL_C);
|
|
|
- Halt(CTRL_C);
|
|
|
- end;
|
|
|
- GetCwd(dir);
|
|
|
- If errno <> 0 then
|
|
|
- Error2InOut;
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-{*****************************************************************************
|
|
|
- SystemUnit Initialization
|
|
|
-*****************************************************************************}
|
|
|
-
|
|
|
-Procedure Startup; Assembler;
|
|
|
-asm
|
|
|
- move.l a6,d6 { save a6 }
|
|
|
-
|
|
|
- move.l (4),a6 { get ExecBase pointer }
|
|
|
- move.l a6,_ExecBase
|
|
|
- suba.l a1,a1
|
|
|
- jsr _LVOFindTask(a6)
|
|
|
- move.l d0,a0
|
|
|
- { Check the stack value }
|
|
|
-
|
|
|
- { are we running from a CLI? }
|
|
|
-
|
|
|
- tst.l 172(a0) { 172 = pr_CLI }
|
|
|
- bne @fromCLI
|
|
|
-
|
|
|
- { we do not support Workbench yet .. }
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- move.l #1,d0
|
|
|
- jsr HALT_ERROR
|
|
|
-
|
|
|
-@fromCLI:
|
|
|
- { Open the following libraries: }
|
|
|
- { Intuition.library }
|
|
|
- { dos.library }
|
|
|
-
|
|
|
- moveq.l #0,d0
|
|
|
- move.l intuitionname,a1 { directly since it is a pchar }
|
|
|
- jsr _LVOOpenLibrary(a6)
|
|
|
- move.l d0,_IntuitionBase
|
|
|
- beq @exitprg
|
|
|
-
|
|
|
- moveq.l #0,d0
|
|
|
- move.l utilityname,a1 { directly since it is a pchar }
|
|
|
- jsr _LVOOpenLibrary(a6)
|
|
|
- move.l d0,_UtilityBase
|
|
|
- beq @exitprg
|
|
|
-
|
|
|
- moveq.l #0,d0
|
|
|
- move.l dosname,a1 { directly since it is a pchar }
|
|
|
- jsr _LVOOpenLibrary(a6)
|
|
|
- move.l d0,_DOSBase
|
|
|
- beq @exitprg
|
|
|
-
|
|
|
- { Find standard input and output }
|
|
|
- { for CLI }
|
|
|
-@OpenFiles:
|
|
|
- move.l _DOSBase,a6
|
|
|
- jsr _LVOInput(a6) { get standard in }
|
|
|
- move.l d0, StdInputHandle { save standard Input handle }
|
|
|
-{ move.l d0,d1 }{ set up for next call }
|
|
|
-{ jsr _LVOIsInteractive(a6)}{ is it interactive? }
|
|
|
-{ move.l #_Input,a0 }{ get file record again }
|
|
|
-{ move.b d0,INTERACTIVE(a0) }{ set flag }
|
|
|
-{ beq StdInNotInteractive }{ skip this if not interactive }
|
|
|
-{ move.l BUFFER(a0),a1 }{ get buffer address }
|
|
|
-{ add.l #1,a1 }{ make end one byte further on }
|
|
|
-{ move.l a1,MAX(a0) }{ set buffer size }
|
|
|
-{ move.l a1,CURRENT(a0) }{ will need a read }
|
|
|
- bra @OpenStdOutput
|
|
|
-@StdInNotInteractive
|
|
|
-{ jsr _p%FillBuffer } { fill the buffer }
|
|
|
-@OpenStdOutput
|
|
|
- jsr _LVOOutput(a6) { get ouput file handle }
|
|
|
- move.l d0,StdOutputHandle { get file record }
|
|
|
- bra @startupend
|
|
|
-{ move.l d0,d1 } { set up for call }
|
|
|
-{ jsr _LVOIsInteractive(a6) } { is it interactive? }
|
|
|
-{ move.l #_Output,a0 } { get file record }
|
|
|
-{ move.b d0,INTERACTIVE(a0)} { set flag }
|
|
|
-@exitprg:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
- move.l #219,d0
|
|
|
- jsr HALT_ERROR
|
|
|
-@startupend:
|
|
|
- move.l d6,a6 { restore a6 }
|
|
|
-end;
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-begin
|
|
|
- errno:= 0;
|
|
|
- FromHalt := FALSE;
|
|
|
-{ Initial state is on -- in case of RunErrors before the i/o handles are }
|
|
|
-{ ok. }
|
|
|
- Initial:=TRUE;
|
|
|
-{ Initialize ExitProc }
|
|
|
- ExitProc:=Nil;
|
|
|
- Startup;
|
|
|
-{ Setup heap }
|
|
|
- InitHeap;
|
|
|
-{ Setup stdin, stdout and stderr }
|
|
|
- OpenStdIO(Input,fmInput,StdInputHandle);
|
|
|
- OpenStdIO(Output,fmOutput,StdOutputHandle);
|
|
|
- OpenStdIO(StdOut,fmOutput,StdOutputHandle);
|
|
|
- { The Amiga does not seem to have a StdError }
|
|
|
- { handle, therefore make the StdError handle }
|
|
|
- { equal to the StdOutputHandle. }
|
|
|
- StdErrorHandle := StdOutputHandle;
|
|
|
- OpenStdIO(StdErr,fmOutput,StdErrorHandle);
|
|
|
-{ Now Handles and function handlers are setup }
|
|
|
-{ correctly. }
|
|
|
- Initial:=FALSE;
|
|
|
-{ Reset IO Error }
|
|
|
- InOutRes:=0;
|
|
|
-(* This should be changed to a real value during *)
|
|
|
-(* thread driver initialization if appropriate. *)
|
|
|
- ThreadID := 1;
|
|
|
-{ Startup }
|
|
|
- { Only AmigaOS v2.04 or greater is supported }
|
|
|
- If KickVersion < 36 then
|
|
|
- Begin
|
|
|
- WriteLn('v36 or greater of Kickstart required.');
|
|
|
- Halt(1);
|
|
|
- end;
|
|
|
- argc:=GetParamCount(args);
|
|
|
- OrigDir := 0;
|
|
|
- FileList := nil;
|
|
|
-{$ifdef HASVARIANT}
|
|
|
- initvariantmanager;
|
|
|
-{$endif HASVARIANT}
|
|
|
-end.
|
|
|
-
|
|
|
-
|
|
|
-{
|
|
|
- $Log$
|
|
|
- Revision 1.11 2004-05-05 21:26:34 florian
|
|
|
- * some m68k and amiga related stuff fixed
|
|
|
-
|
|
|
- Revision 1.10 2004/01/20 23:05:31 hajny
|
|
|
- * ExecuteProcess fixes, ProcessID and ThreadID added
|
|
|
-
|
|
|
- Revision 1.9 2003/10/25 23:42:35 hajny
|
|
|
- * THandle in sysutils common using System.THandle
|
|
|
-
|
|
|
- Revision 1.8 2003/09/29 18:52:36 hajny
|
|
|
- * append fix applied to Amiga, Atari, EMX, GO32v2, OS/2 and Watcom
|
|
|
-
|
|
|
- Revision 1.7 2003/09/27 11:52:35 peter
|
|
|
- * sbrk returns pointer
|
|
|
-
|
|
|
- Revision 1.6 2002/10/20 12:00:52 carl
|
|
|
- - remove objinc.inc (unused file)
|
|
|
- * update makefiles accordingly
|
|
|
-
|
|
|
- Revision 1.5 2002/10/13 09:25:14 florian
|
|
|
- + call to initvariantmanager inserted
|
|
|
-
|
|
|
- Revision 1.4 2002/09/07 16:01:16 peter
|
|
|
- * old logs removed and tabs fixed
|
|
|
-
|
|
|
-}
|