prevent dereferencing null

[Bill Medland]

On January 9, 2003 10:44 pm, Marcus Meissner wrote:
> On Thu, Jan 09, 2003 at 05:45:00PM -0800, Bill Medland wrote:
> > On January 9, 2003 03:12 pm, Dimitrie O. Paun wrote:
> > > On January 9, 2003 07:08 pm, Bill Medland wrote:
> > > > +    if (!tpinfo->chanbuf) {
> > > > +        ERR("tpinfo has no Rpc Channel Buffer\n");
> > > > +        return 0;
> > > > +    }
> > >
> > > Is this expected behaviour? If so, there's no need for the ERR msg.
> > > If not, there's no need for the test, we need to fix the root cause...
> >
> > You are, of course, quite correct.
> > I don't know what the expected behaviour is; all I know is that
> > dereferncing the null pointer isn't.
> > If someone actually understands all that proxy stuff then maybe they can
> > do something about it.
> > If not then I guess it is destined to languish unfixed.
>
> I vaguely remember this happening for inter-thread COM, I did not come
> around to debug it yet.
>
> "return E_FAIL;" might be more appropriate too.
>
> Ciao, Marcus

Does anyone have any test harness/Petzold-style code for investigating 
IProxyBuffer so that we can tighten up the loose edges?

-- 
Bill Medland
ACCPAC International, Inc.
medbi01 at accpac.com
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