On Fri, Dec 02, 2016 at 09:31:02PM +0100, Rasmus Villemoes wrote:
> The expression info->free+size is technically undefined behaviour in
> exactly the case we want to test for. Moreover, the compiler is likely
> to translate the expression to
>
> (unsigned long)info->free + size > (unsigned
The expression info->free+size is technically undefined behaviour in
exactly the case we want to test for. Moreover, the compiler is likely
to translate the expression to
(unsigned long)info->free + size > (unsigned long)info->end
where there's at least a theoretical chance that the LHS could
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