* Natanael Copa <ncopa@alpinelinux.org> [2014-09-04 09:50:39 +0200]:
> On Wed, 13 Aug 2014 10:21:41 +0200
> Natanael Copa <ncopa@alpinelinux.org> wrote:
> 
> > Copy a zero length string instead of returning error when trying to
> > expand a zero lentgh domain name (null terminator).
> > 
> Rich pointed out to me on IRC that this will not write terminating '\0'
> when domain name length is zero. I'll send new patch.
> 

here is a patch