[fpc-pascal] Move() vs MemCopy()
Graeme Geldenhuys
graemeg.lists at gmail.com
Tue Sep 29 15:31:53 CEST 2009
Hi,
I'm still porting code from SpeedSoft's Pascal compiler. The code I am
porting often uses MemCopy(), but Free Pascal doesn't seem to have
such an implementation. So I looked at the next best thing... Move()
But as the name suggests (...Move()...), I would have expected it to
actually move the data and not copy the data. The following example
program demonstrates this. Shouldn't S1 = '' after the Move() call?
------------------------------------
Program Example42;
{ Program to demonstrate the Move function. }
Var S1,S2 : String [30];
begin
S1 := 'Hello World!';
S2 := 'Bye, bye !';
Move (S1,S2,Sizeof(S1));
Writeln ('S2:', S2);
Writeln ('S1:', S1); // Why does this still hold "Hello World!"
end.
------------------------------------
Regards,
- Graeme -
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