advpack: Use the FAILED and SUCCEEDED macros instead of comparing to S_OK or zero.

[James Hawkins]

On 5/1/06, Mike McCormack <mike at codeweavers.com> wrote:
>
> James Hawkins wrote:
>
> > -            if ((hr = callback(hinf, buffer, arg)) != S_OK)
> > +            if (FAILED(hr = callback(hinf, buffer, arg)))
>
> It's usually a bad idea to do function calls or assignments inside
> macros... in this case it's safe, but sometimes the macro is something like:
>
> #define FAILED(hr) (((hr)>0xf00) && (hr)<0xb00))
>
> then the function would get called twice...
>

Would you accept the patch if I put all results into an hr and then
called FAILED(hr) instead?

--
James Hawkins