Re: zsh 4.2.0 dumping core on completion attempt

[Peter Stephenson <pws@csr.com>]

Oliver Kiddle wrote:
> I wrote:
> > 
> > We've got o->word == "xmmap", n->word == NULL and o->wlen == n->wlen.
> > So it might be a bug elsewhere that allows n->word == NULL or it might
> > be an omission that it isn't checked. Presumably n->wlen == 0 but is
> > that a length or an initial value?
> 
> Sorry, we can of course see that n->word == 1. So we need to work out
> how we got n->word == NULL and n->wlen == 1 before it got to
> cmp_anchors().

I fixed a bug of a similar flavour recently where the Meta conversion
was causing problems.  It's possible the wlen comes from trying to
metafy a zero-length string, or something.

pws


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