Re: pg_dump 9.1.1 hanging (collectSecLabels gets 0 labels)

Steve Singer <ssinger@ca.afilias.info> writes:
> The man page for malloc on AIX is pretty clear on what happens when you 
> try to malloc 0 bytes.  It returns NULL.

Yes, that's a pretty common behavior for malloc(0).  It should not cause
a problem here AFAICS.

... Oh, I see, the problem is that &labels[-1] might not compare to
&labels[0] the way we want.  I think only the first hunk of your
patch is actually necessary.
        regards, tom lane