Date: Wed, 23 May 2001 21:02:13 +0100 From: Brian Somers <brian@Awfulhak.org> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: Brian Somers <brian@Awfulhak.org>, Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, freebsd-arch@FreeBSD.ORG, brian@Awfulhak.org Subject: Re: RFC: unit_list routines Message-ID: <200105232002.f4NK2DF10033@hak.lan.Awfulhak.org> In-Reply-To: Message from Poul-Henning Kamp <phk@critter.freebsd.dk> of "Wed, 23 May 2001 21:46:55 %2B0200." <50437.990647215@critter>
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> In message <200105231944.f4NJiXF09637@hak.lan.Awfulhak.org>, Brian Somers write
> s:
> >> > > Using bits when there are large numbers of units gets awkward.
> >> >
> >> > Just wrap it in macros. I almost posted an implementation with my
> >> > last message, but decided that since it was so trivial it would be
> >> > almost insulting for me to do so.
> >>
> >> Not true - I'm too thick skinned to be insulted :oI
> >>
> >> I'll look at a macro implementation.
> >
> >Ok, I've thought about this :-/ I don't think it's practical to
> >do this with bits if someone does
> >
> > # ppp -unit 16777215
> >
> >I then have to go off and allocate an array of 0x7fffff bytes just to
> >record the fact that someone's using a silly unit number.
>
> If true, the rman code should have a big "XXX: rewrite" on top of it.
rman doesn't use bitmasks - I was following up on Garrett's
suggestion that some bitmask macros should do the trick.
> --
> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
> phk@FreeBSD.ORG | TCP/IP since RFC 956
> FreeBSD committer | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by incompetence.
--
Brian <brian@Awfulhak.org> <brian@[uk.]FreeBSD.org>
<http://www.Awfulhak.org>; <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !
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