ddraw.h structure alignment
Markus Stockhausen
markus.stockhausen at collogia.de
Sun Oct 11 07:42:26 CDT 2009
Am Sonntag, den 11.10.2009, 13:18 +0200 schrieb Markus Stockhausen:
> Then I'm somehow in trouble. How can one explain the following
> error: Application calls IDirectDraw GetDeviceIdentifier of
> DDRAW7 but only reserves memory with sizeof(DDEVICEIDENTIFIER)
> instead of sizeof(DDEVICEIDENTIFIER2) bytes. Wine returns the
> required structure but with the contents of dwWHQLLevel
> stack contents are overwritten.
>
> Markus
>
Source of error was found. DDEVICEIDENTIFIER2 is aligned to 8 bytes and
therefore 4 bytes too large (at least on my 64 bit Linux). Should a
patch include a pragma pack handling in the ddraw.h file itself or is
there any other location where one can fix that?
Best regards.
Markus
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