Re: Errors in GTK Tutorial?
- From: Owen Taylor <otaylor redhat com>
- To: gtk-list redhat com
- Subject: Re: Errors in GTK Tutorial?
- Date: 28 Jun 1999 07:42:02 -0400
Trog <email@example.com> writes:
> On 27-Jun-99 Peter Wilson wrote:
> > Thanks for explaining that Tim, and confirming that the tutorial
> > does
> > contain
> > many bugs due to this (as an example the delete_event handler in
> > the
> > improved
> > Hello World source incorrectly returns void rather than gboolean).
> Tim didn't confirm that the Tutorial contains bugs. You are lacking
> an understanding of how C handles function parameters if you think
> that having a mismatch causes stack corruption.
I'd say, if the handler for an event signal returns void, that is a
bug. (Especially, for delete_event - as the return value here
determines not propagation, but whether the window is destroyed or
Yes, it won't cause stack corruption with the typical C calling
conventions, but that isn't the point... It's wrong, and it will cause
This mistake is far too common without getting it wrong
in the tutorial.
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