Re: another NULL/reference hole in the API

[Murray Cumming <murrayc murrayc com>]

On Tue, 2007-08-14 at 20:12 +0200, Daniel Elstner wrote:
> Am Dienstag, den 14.08.2007, 12:09 -0400 schrieb Paul Davis:
> 
> > I've just discovered that all the spawn functions in glibmm make it
> > impossible to pass NULL to the underlying C layer to indicate "use same
> > working directory as parent". This is another instance of a general
> > pattern/hole that has been mentioned recently. I don't recall what
> > Murray's position on it is. Do we have a general policy?
> 
> For strings we usually interpret the empty string as NULL, since in most
> cases you wouldn't ever want to pass an actual empty string.  For the
> few functions where you do want that we introduce overloads.

Yes, and patches are welcome to add those methods.

-- 
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