Re: [Gm2] Re: double free or corruption with pointers

[Dragiša Durić]

Program compiles for me - 0.92 here, Fedora 12 x86_64.

On Sun, 2010-08-01 at 12:05 +0200, Martin Kalbfuß wrote:
> MODULE test2;
> 
> IMPORT SYSTEM, SWholeIO, STextIO;
> FROM Storage IMPORT ALLOCATE, DEALLOCATE;
> 
> TYPE DynArray = POINTER TO INTEGER;
> VAR  myArray    : DynArray;
>      elementPtr : DynArray;
> BEGIN
>      NEW(myArray, 6, 6);
>      elementPtr := SYSTEM.ADDADR(myArray, 2*5+3);
>      elementPtr^ := 5;
>      SWholeIO.WriteInt(elementPtr^, 1); STextIO.WriteLn();
>      DISPOSE(myArray);
> END test2.
> 
> Maybe I'm wrong about pointers. Isn't there a better way of using
> dynamic arrays? It's really a pain. 

You probably are. Pointer arithmetic is not how you do things in
Modula-2.

-- 
Dragiša Durić <address@hidden>