On 10/22/2015 01:02 PM, stefan.n...@t-online.de via RT wrote:
>     Hi,
>
> Wouldn't
>   if ( UINTPTR_MAX - (uintptr_t) buffer < len)
> be closer to the intention of the original check?
> Or is this undefined behaviour as well and I
> stupidly missed that fact?
>

That appears to be defined behavior, but the intention of the original
check is not particularly well-specified.  The committed version should
be sufficient; there does not seem to be a reason to change it again.

-Ben


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