Re: [PATCH v2] kernel32/tests: Add tests for NormalizeString API function.

[Sergio Gómez Del Real]

On 09/04/18 11:16, Dmitry Timoshkov wrote:
> Sergio Gómez Del Real  wrote:
> > > > - #include <pshpack2.h>
> > > > - struct test_data_normal {
> > > > -
> > > >    const WCHAR *str;
> > > > -
> > > >    const WCHAR *nfc;
> > > > -
> > > >    const WCHAR *nfd;
> > > > -
> > > >    const WCHAR *nfkc;
> > > > -
> > > >    const WCHAR *nfkd;
> > > > - };
> > > > - #include <poppack.h>
> > >
> > > What's the reason to pack this structure to 2 bytes?
> >
> > Hi.
> > If I understand correctly, that pragma option leaves no gaps between the
> > fields. Later on I iterate over the structure through a WCHAR *,
> > starting from nfc, so I need the guarantee of the fields being
> > contiguously laid out without padding.
>
> What kind of padding do you observe in ths case? Even in a pure
> theoretical case it's impossible to have a 2 bytes gap between
> pointers of either 4 (32-bit arch) or 8 bytes (64-bit arch) long.

You are right... I didn't give it enough thought; I just assumed there 
could be padding.
Thank you and sorry for the confusion.

- Sergio