Subject: Re: effective configuration from config(8) after "no foo"
To: None <current-users@NetBSD.org>
From: Alan Barrett <firstname.lastname@example.org>
Date: 12/21/2007 11:48:32
On Fri, 21 Dec 2007, Quentin Garnier wrote:
> > Yes, I know it currently fails, but I'd like "no nonexistent" to
> > silently do nothing. "no impossible", on the other hand, should
> > probably be an error, where "impossible" is something that doesn't have
> > a "device" or "attach" or other relevant declaration.
> Well, how is a device foo disappearing from conf/files any different
> from defopt bar disappearing from the same file?
I don't really know what you mean, so let me try to clarify what I mean.
isa0 at mainbus0
foo0 at isa?
# bar and baz not mentioned at all
attach foo at isa
attach bar at isa
# baz not mentioned at all
then I'd like the "no foo" in MYCONFIG to undo the "foo0 at isa?" that
was defined in GENERIC; I'd like the "no bar" to silently do nothing
(because bar is a plausible device, even though it wasn't used in
GENERIC); and I'd like "no baz" to be an error (because baz is not a
--apb (Alan Barrett)