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Re: C ABI: struct/union inconsistency

From: Tim Hollebeek <tim at hollebeek dot com>
To: Richard Henderson <rth at redhat dot com>, Mark Mitchell <mark at codesourcery dot com>, "David S. Miller" <davem at redhat dot com>, "gdr at integrable-solutions dot net" <gdr at integrable-solutions dot net>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: Sat, 28 Sep 2002 10:06:55 -0700
Subject: Re: C ABI: struct/union inconsistency
References: <20020927.180516.85546383.davem@redhat.com> <34800000.1033175497@warlock.codesourcery.com> <20020928014605.GA29853@redhat.com>
Reply-to: tim at hollebeek dot com

On Fri, Sep 27, 2002 at 06:46:05PM -0700, Richard Henderson wrote:
> On Fri, Sep 27, 2002 at 06:11:37PM -0700, Mark Mitchell wrote:
> > >How about "invisible", we're making the zero sized members
> > >invisible :-)
> > 
> > That's cute.
> 
> Cute, but not very descriptive.  allow_zero_size?

Don't we already have (or recently discuss) an attribute to eliminate
tail padding?  Shouldn't that get used here?

sizeof(struct __attribute__(no_tail_padding) { } ) == 0

seems intuitive to me.

-Tim

Follow-Ups:
- Re: C ABI: struct/union inconsistency
  - From: Mark Mitchell

References:
- Re: C ABI: struct/union inconsistency
  - From: David S. Miller
- Re: C ABI: struct/union inconsistency
  - From: Mark Mitchell
- Re: C ABI: struct/union inconsistency
  - From: Richard Henderson

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