[Bug 38353] DIRT3 crashes after showing racing results screen (ToUnicodeEx should accept NULL pointer as keystate)

https://bugs.winehq.org/show_bug.cgi?id=38353

--- Comment #3 from Nikolay Sivov  ---
(In reply to Sebastian Lackner from comment #2)
> According to the information on the internet the keystate should be ignored
> when a NULL pointer is passed.
>
> Could you please test the following patch?
> https://github.com/wine-compholio/wine-staging/blob/master/patches/winex11-
> ToUnicodeEx/0001-winex11-Allow-NULL-pointer-as-keystate-in-X11DRV_ToU.patch

That's questionable - ToUnicode() keystate argument is indeed annotated as
optional in PSDK, while ToUnicodeEx() is not. Wine always forwards to
ToUnicodeEx(). So yes, only tests will tell the truth.