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From: Grant Edwards <grante@visi.com>
To: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] How to stop gcc padding structs???
Date: Mon, 29 Jan 2001 07:24:00 -0000	[thread overview]
Message-ID: <20010129092833.A11509@visi.com> (raw)
In-Reply-To: <20010129092709.A13176@biferten.ma.tech.ascom.ch>

On Mon, Jan 29, 2001 at 09:27:09AM +0100, Andrew Lunn wrote:
> On Sun, Jan 28, 2001 at 12:40:59PM -0600, Grant Edwards wrote:
> > 
> > I'm again fighting with gcc trying (and failing) to get it to
> > stop putting padding bytes into structs.  Have any eCosians
> > figured out how to prevent gcc from padding structs?
> 
> Yes, but more by luck combined with trial and error than anything
> else.  When you have this sort of structure in structre arrangement i
> find it best to work upwards. Make sure sizeof(high) is realy 2. 

It's 4, and nothing I try with __attribute__((packed)) will make it 2.
I'll mess with alignement attributes some.

-- 
Grant Edwards
grante@visi.com

  reply	other threads:[~2001-01-29  7:24 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-28 10:37 Grant Edwards
2001-01-29  0:27 ` Andrew Lunn
2001-01-29  7:24   ` Grant Edwards [this message]
2001-01-29  9:49 ` Jonathan Larmour
2001-01-29  9:53   ` Grant Edwards
2001-01-29 14:15 ` Jesper Skov
2001-01-28 13:34 Lewin A.R.W. Edwards

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