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From: erik quanstrom <quanstro@coraid.com>
To: 9fans@cse.psu.edu
Subject: [9fans] bitfields
Date: Wed,  6 Jun 2007 07:57:50 -0400	[thread overview]
Message-ID: <5fc4d15bc92167d17cac73461f327df3@coraid.com> (raw)

actually, if bit fields operate on 2s complement i think
that's the correct answer.

if you have a n-bit integer ~0 (all ones) is -1.  so if you
have a one-bit signed integer, the possiblities are 0b and
1b which should be 0 and -1.

- erik

On Wed Jun  6 03:06:00 EDT 2007, bruce.ellis@gmail.com wrote:
> easy.  ken had (has) no respect for bitfields.
> he is a wise man.
>
> brucee
>
> On 6/6/07, Kris Maglione <bsdaemon@comcast.net> wrote:
> > On Wed, Jun 06, 2007 at 12:30:55AM -0400, Kris Maglione wrote:
> > > !8c test.c && 8l test.8
> > > !
> > > !./8.out
> > > foo.x: -1
> > > !
> >
> > Also:
> >
> > !8c -wF test.c && 8l test.8
> > warning: test.c:11 format mismatch d LONG 0:1, arg 2
> > !
> >
> > I'm surprised that there's not a warning about the overflow.
> >
> > --
> > Kris Maglione
> >
> > For every human problem, there is a neat, plain solution --
> > and it is always wrong.


             reply	other threads:[~2007-06-06 11:57 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-06 11:57 erik quanstrom [this message]
2007-06-06 23:34 ` don bailey

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