libs/wpp/ppy.y signedness fixes

Alexandre Julliard julliard at
Wed Jul 23 03:26:54 CDT 2008

Gerald Pfeifer <gerald at> writes:

> In ISO C, operations involving both signed and unsigned types are 
> using signed.  If the case of ui = ui OP si is really ment to make
> use of this (despite the result being stored in an unsigned type),
> we'd need to handle this via two casts, but I doubt this is really
> the intent here.

It's supposed to follow the C rules, so yes the result most likely needs
to be signed in this case. That doesn't mean using two casts, it means
using the correct output type.

Alexandre Julliard
julliard at

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