[PATCH] xdr_array and calloc security fix

[Ulrich Drepper]

Wolfram Gloger wrote:

> Do we already have some system-specific mechanism to detect the rare
> overflow case for a 32bit-multiplication without having to perform a
> division?

It should be possible to have something like

   ((a | b) > (a * b))

for unsigned values.  I'm not 100% sure, though.


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