fpc/bugs/bug0152.pp
1998-08-06 17:07:49 +00:00

32 lines
680 B
ObjectPascal

Program bug0152;
{
Shows wrong evaluation of loop boundaries. First end boundary must
be calculated, only then Loop variable should be initialized.
Change loop variable to J to see what should be the correct output.
}
PROCEDURE LGrow(VAR S : String;C:CHAR;Count:WORD);
VAR I,J :WORD;
BEGIN
I:=ORD(S[0]); { Keeping length in local data eases optimalisations}
IF I<Count THEN
BEGIN
Move(S[1],S[Count-I+1],I);
FOR I:=1 TO Count-I DO
S[I]:=C;
S[0]:=CHR(Count);
END;
END;
Var S : string;
begin
s:='abcedfghij';
writeln ('s : ',s);
lgrow (s,'1',17);
writeln ('S : ',s);
end.