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- (*******************************************************************
- Program/Unit EXECHK.TPU
- Written 06 Dec 90
- Revised .........
- Author Johnathan J. Stein
- PO Box 346
- Perrysburg, OH 43551
- CompuServe 76576,470
- Purpose To illustrate how to implement EXE
- file "stamping", in order to discourage
- illegal copying WITHOUT using copy protection.
- Contents 1 Function , 2 Procedures
-
- Please send comments, suggestions or complaints to the above address.
- *******************************************************************)
- UNIT exechk ;
-
- INTERFACE
-
- USES Dos ;
-
- function IsExePersonalized ( S : string ) : boolean ;
- procedure ExeInstallData ( S : string ; VAR V ; NumBytes : longint ) ;
- procedure ExeReadData ( S : string ; VAR V ; NumBytes : longint ) ;
-
- IMPLEMENTATION
-
- {$I exechk.doc } (* Documentation *)
- {$I exechk.def } (* EXE header file header info *)
- {$I abort.inc } (* Global halt, w/message *)
- {$I exechk.inc } (* File access *)
-
- BEGIN
- (*******************************************************************
- NETWORKS & FILE ATTRIBUTES:
- ---------------------------
- To eliminate problems on networks and for when the EXE file attribute
- has the ReadOnly bit set.
-
- If you eliminate this initialization code, you may also remove the
- USES Dos; statement above (it is only used for DosVersion).
- *******************************************************************)
- if Lo ( DosVersion ) >= 3 then
- begin
- DefaultFileMode := 64 ; (* Read_DenyNone *)
- DefaultWriteMode := 66 ; (* ReadWrite_DenyNone *)
- end
- else
- begin
- DefaultFileMode := 0 ; (* Read_Only *)
- DefaultWriteMode := 2 ; (* Read_Write *)
- end ;
- FileMode := DefaultFileMode ;
- END.
-