mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-31 16:51:35 +01:00
55 lines
1.2 KiB
ObjectPascal
55 lines
1.2 KiB
ObjectPascal
Program Example100;
|
|
|
|
{ Program to demonstrate the CompareChar function. }
|
|
|
|
Const
|
|
ArraySize = 100;
|
|
HalfArraySize = ArraySize Div 2;
|
|
|
|
Var
|
|
Buf1,Buf2 : Array[1..ArraySize] of char;
|
|
I : longint;
|
|
|
|
Procedure CheckPos(Len : Longint);
|
|
|
|
Begin
|
|
Write('First ',Len,' characters are ');
|
|
if CompareChar(Buf1,Buf2,Len)<>0 then
|
|
Write('NOT ');
|
|
Writeln('equal');
|
|
end;
|
|
|
|
Procedure CheckNullPos(Len : Longint);
|
|
|
|
Begin
|
|
Write('First ',Len,' non-null characters are ');
|
|
if CompareChar0(Buf1,Buf2,Len)<>0 then
|
|
Write('NOT ');
|
|
Writeln('equal');
|
|
end;
|
|
|
|
begin
|
|
For I:=1 to ArraySize do
|
|
begin
|
|
Buf1[i]:=chr(I);
|
|
If I<=HalfArraySize Then
|
|
Buf2[I]:=chr(I)
|
|
else
|
|
Buf2[i]:=chr(HalfArraySize-I);
|
|
end;
|
|
CheckPos(HalfArraySize div 2);
|
|
CheckPos(HalfArraySize);
|
|
CheckPos(HalfArraySize+1);
|
|
CheckPos(HalfArraySize + HalfArraySize Div 2);
|
|
For I:=1 to 4 do
|
|
begin
|
|
buf1[Random(ArraySize)+1]:=Chr(0);
|
|
buf2[Random(ArraySize)+1]:=Chr(0);
|
|
end;
|
|
Randomize;
|
|
CheckNullPos(HalfArraySize div 2);
|
|
CheckNullPos(HalfArraySize);
|
|
CheckNullPos(HalfArraySize+1);
|
|
CheckNullPos(HalfArraySize + HalfArraySize Div 2);
|
|
end.
|