On Wed, 2012-05-02 at 19:17 -0300, Mauro Carvalho Chehab wrote:
> We can speed-up the conversions, with something like:
>
> enum foo {
> BAR
> };
>
> if (sizeof(foo) != sizeof(u32))
> call_compat_logic().
>
> I suspect that sizeof() won't work inside a macro.
sizeof() is evaluated at compile time, after preprocessing.
It should work inside of a macro.
See the ARRAY_SIZE() macro in include/linux/kernel.h for a well tested
example.
Regards,
Andy
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