[ros-kernel] Re: Unicode Library

[Eric K. <ek...@rz...>]

"Aliberti Emanuele" <ea...@io...> wrote:


>
> >I finished porting unicode over to ROS. It's about 800 kbytes+ zipped.
So,
>
> What is the "unicode library"?
>
I guess he is talking about the ansi/oem<->unicode conversion tables from
Wine.

I'm not sure if we should use it as a dll. The main problem is that the
conversion tables must be accessible from kernel *and* user mode. Loading
them as a kernel mode driver will not allow us to use non-default code-page
tables in user mode. Loading them as a dll does not allow us to use them in
kernel mode.

IIRC, WinNT loads the default code-page tables (oem-unicode, ansi-unicode
and unicode case-table) into a named memory section (use winobj to see them)
and maps a view into every process. The code-page tables can also be loaded
separately by MultiByteToWideChar() and WideCharToMultiByte(), at least I
think they do so.

Regards,

Eric Kohl


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