[PATCH] test-skeleton.c (xrealloc): Support realloc-as-free

[Florian Weimer]

On 06/23/2016 02:45 PM, Mike Frysinger wrote:
> On 23 Jun 2016 14:23, Florian Weimer wrote:
>> If the requested size is zero, realloc returns NULL, but the
>> deallocation is still successful.
>
> not exactly.  realloc(NULL, 0) will return a valid pointer (much
> like malloc(NULL) will).  code relies on this to generate cookies.

Ugh, right.  At least our malloc behaves in this way.  What about the 
attached patch?

Thanks,
Florian

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