[advapi32/service #2] Fix buffersize calculations for GetServiceDisplayNameA

[Paul Vriens]

Alexandre Julliard wrote:
> Paul Vriens <paul.vriens.wine at gmail.com> writes:
> 
>> So how do you suggest I'm going to fix this? Maybe we should call the
>> W function as well as deal with the differences?
> 
> If you want to replicate the exact behavior then yes you have to call
> the W function. But returning the correct size is probably OK too, at
> least until we find an app that depends on the broken Windows
> behavior...
> 
Well I just sent in 2 patches for extra tests. The second one means we have to 
implement a chunk of code and again for 2 functions. I'll have a look if it's 
feasible to call W from A.

It would have been worse if the broken scenario was returning a too small 
buffersize.

Cheers,

Paul.