Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Thu, Jul 5, 2012 at 7:11 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Hm, several of these routines seem to neglect to advance the "from"
>> pointer?
> Err... yeah. That's not a bug I introduced, but I should have caught
> it... and it does make me wonder how well this code was tested.
> Does the attached look like an appropriate fix?
I'd be inclined to put the from++ and len-- at the bottom of each loop,
and in that order every time, just for consistency and obviousness.
But yeah, that's basically what's needed.
regards, tom lane