[Bug 49344] Implement kernelbase.GetModuleFileNameW using ntdll.LdrGetDllFullName

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49344

--- Comment #3 from Nikolay Sivov  ---
(In reply to Arne de Bruijn from comment #2)
> This change broke passing large buffers (>=32768 characters) to
> GetModuleFileNameW, as done by cygwin.
>
> Possible fix:
>  name.MaximumLength = (size < 0xffff / sizeof(WCHAR) ? size : 0xffff /
>
> sizeof(WCHAR)) * sizeof(WCHAR);

Please file a bug report for that, we could probably min() it in ints, to avoid
this 16bit overflow.