On Thu, 19 Oct 2006 21:34:00 -0600
Matthew Wilcox <[email protected]> wrote:
> +/* The unnecessary pointer compare is there
> + * to check for type safety (n must be 64bit)
> + */
> +# define do_div(n,base) ({ \
> + uint32_t __base = (base); \
> + uint32_t __rem; \
> + (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
> + __rem = ((uint64_t)(n)) % __base; \
> + (n) = ((uint64_t)(n)) / __base; \
> + __rem; \
> })
Can we use typecheck(), from include/linux/kernel.h?
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