Re: [ros-dev] GDI_TABLE_ENTRY structure

[Alex Ionescu]

Hey,
Yes I was in a hurry, sorry.
1) a. Modifying a well known, Microsoft-documented structure.
     b. Using structure-based bit logic instead of shifts and masks.
2) a. I think this is clear.
     b. I think it makes the code less maintainable, harder to
understand, less clean, and potentially hurts performance. This
becomes a significantly bigger problem when thinking about other
architectures with alignment requirements, or different endianness.
3) Use macros to hide away the mask/offsets, or better yet, inlined functions.
On 8/30/07, James Tabor
<jimtabor(a)adsl-64-217-116-74.dsl.hstntx.swbell.net> wrote:
>   Alex Ionescu wrote:
> >   I disagree.
> >  On 8/30/07, *Ged* <gerard.murphy(a)amteus.com
> >  <mailto:[e-mail]>> wrote:
> >      Timo Kreuzer wrote:e
> > >   So I have created a new GDI_TABLE_ENTRY struct
> > > and a new type 
> >      GDIHANDLE.
> >      Looks good, a thumbs up from me  :)
> >      1 comment:
> > >   #pragma pack(push,1) 
> >      #include
> > <pshpack1.h>
> > >   #pragma pack(pop) 
> >      #include
> > <poppack.h>
> >      Ged.
> >  
>  Oh I see,,, The structures are okay but using them like a macro, no.
>  James
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--
Best regards,
Alex Ionescu