== Quote from Stewart Gordon ([email protected])'s article
> On 19/02/2011 13:18, Oliver wrote:
> >
> > Hello,
> >
> > I have the following code that works.
> What? The code you've posted doesn't work.
Sorry for that, in the post I got the // and the second one mixed up.
> > I'd like to change the t tsData to ts tsData, but this does segfault.
> The code you've posted throws an AV, and correctly so. If you change tsData
> to
a ts, it
> runs successfully. At least in 2.051 Windows. Is something different
> happening
on your
> setup?
No, no that was a mixup on my side.
> > I do not understand how I dereferece the ts struct correctly.
> You don't dereference a struct, you dereference a pointer.
Yea, well that sould have read dereference the pointer to the struct.
> <snip>
> > struct rs {
> > int i;
> > union {
> > int intData;
> > //ts tsData;
> > t tsData;
> > };
> >
> > this( int i, int d, ref int[] data) {
> > this.i = i;
> > this.tsData.d = d;
> > this.tsData.intData = data;
> > }
> > }
> <snip>
> You have not initialised tsData. Consequently, you are trying to dereference
> a null
> pointer. Hence the segfault.
> For it to work with tsData being a pointer, you need to add something like
> this:
> this.tsData = new ts;
Thanks, that was what I did not get - for what ever reason - which seems
obvious now.
Oliver
> Stewart.
