Thanks for the clarification. For some reason, I missed that bit.

ReactOS Development List <[email protected]> wrote on lun., mai 6th, 2013, 
8:25 :
> On 06.05.2013 17:48, Jérôme Gardou wrote:
> > Hey Pierre!
> >
> > Nice patch series, that takes ReactOS nearer to being secure. A remark 
> > though :
> >
> >>       /*
> >> -     * enable the SeSystemtimePrivilege privilege
> >> +     * Call SetLocalTime twice to ensure correct results
> >>        */
> >> +    Ret = SetLocalTime(&SetupData->SystemTime) &&
> >> +          SetLocalTime(&SetupData->SystemTime);
> >
> > This is a bit confusing, and the comment doesn't really help. Why would 
> > calling the function twice ansure correct result ? Also, this is likely to 
> > be optimized away by the compiler, or at least produce a report in static 
> > code analysers.
> >
> > I know this isn't pure chance. Any hint as to why you wrote it like this ?
> 
> Even MSDN states that it might be necessary to call SetLocalTime twice: 
> http://msdn.microsoft.com/en-us/library/windows/desktop/ms724936%28v=vs.85%29.aspx
> 
> Regards,
> Sven
> 
> 
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