[Xcb] segfault in XCBConnSetupSuccessRepRootsIter

[Jeremy A. Kolb]

Ah... haha. yeah I guess I deleted that by accident.  I don't really 
understand X so well or XCB so I'm just trying to wade through it all. 
Thanks.

Jeremy

On Sun, 7 Nov 2004, Jamey Sharp wrote:

> On Sun, Nov 07, 2004 at 05:24:13PM -0500, Jeremy A. Kolb wrote:
> > int main(int argc, char *argv[])
> >       8 {
> >       9     XCBConnection       *c;
> >      10     XCBSCREEN           *root;
> >      11     XCBDRAWABLE         draw;
> >      12     XCBDRAWABLE         p;
> >      13     XCBGCONTEXT         black;
> >      14     XCBPOINT            point = {100, 100};
> >      15     XCBGenericEvent     *e;
> >      16     CARD32              mask = 0;
> >      17     CARD32              values[6];
> >      18 
> >      19     root = XCBConnSetupSuccessRepRootsIter(c->setup).data;
> 
> This one's not too hard. :-) That line dereferences `c`, which is not
> initialized yet. You have to have connected to the X server before you
> can do that.
>