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FSWAP.PAS
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Pascal/Delphi Source File
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1995-01-16
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3KB
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100 lines
Unit FSwap; { FIDO unit for handling swap out and execute }
(***************************************************************************
RELEASE 1.01 - as contained in the file PRUS101.LZH
by Peter Holschbach, 2:2450/660.3, GERMANY
--------------------------------------------
organized for Fido's PASCAL related echoes
--------------------------------------------
08/28/1994 to --/--/---- by Peter Holschbach, 2:2450/660.3, GERMANY
As far as third party copyrights are not violated this
source code is hereby placed to the public domain. Use
it whatever way you want, but use AT YOUR OWN RISK.
In case you should modify the source rather send your
modifications to the unit's current organizer (see above for
NM address) than to spread it on your own. This will help to
keep the unit updated and grant a certain standard to all
other users as well.
The unit is currently still under work. So it might greatly
benefit of your participation.
Those who contributed to the following piece of source,
listed in alphabethical order:
================================================================
Peter Holschbach ...
================================================================
YOUR NAME WILL APPEAR HERE IF YOU CONTRIBUTE USEFUL SOURCE.
Credits in your own programs are as welcome as unnecessary.
***************************************************************************)
{$I FDEFINE.DEF}
Interface
Type TSwapMem = (XMS,EMS,DISK,None);
TSwapMemSelect = Array [1..3] of TSwapMem;
Const CSwapToAll : TSwapMemSelect = (EMS,XMS,DISK);
CSwapToEMS : TSwapMemSelect = (EMS,None,None);
CSwapToDISK : TSwapMemSelect = (DISK,None,None);
CSwapToXMS : TSwapMemSelect = (XMS,None,None);
Var
DosRetValue : Word;
SwapError : Word;
SwapFilePath : String;
Function ExecSwap (LastAdr : Pointer; WhereToSwap : TSwapMemSelect;ProgName,Parameters : String): Boolean;
Implementation
{----------------------------------------------------------------------------}
{$L fswap.obj}
Function SwapExec (FileName,Parameters : String; LastAdr : Pointer; Methode : TSwapMem): Word; far; external;
Function ExecSwap (LastAdr : Pointer; WhereToSwap : TSwapMemSelect;ProgName,Parameters : String): Boolean;
Var L : Byte;
Begin
L := 0;
If (Length (ProgName) > 79) then Progname [0] := Chr (79);
If (Length (Parameters) > 126) then Parameters [0] := Chr (126);
DosRetValue := $FFFF;
Repeat
INC (L);
Case WhereToSwap [L] of
EMS : Begin
SwapError := SwapExec (ProgName,Parameters,LastAdr,EMS);
End;
XMS : Begin
SwapError := SwapExec (ProgName,Parameters,LastAdr,XMS);
End;
DISK : Begin
SwapError := SwapExec (ProgName,Parameters,LastAdr,DISK);
End;
End;
Until (SwapError = 0) or (L = 3);
ExecSwap := (SwapError = 0);
End;
Begin
SwapFilePath := '';
End.