From mboxrd@z Thu Jan  1 00:00:00 1970
From: Phil Sutter <phil@nwl.cc>
Subject: Re: Does __attribute__((__packed__)) aplies to types or variables?
Date: Sat, 24 Oct 2015 02:52:32 +0200
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To: "Daniel." <danielhilst@gmail.com>
Cc: linux-c-programming@vger.kernel.org

On Thu, Oct 22, 2015 at 02:18:47PM -0200, Daniel. wrote:
> I mean that packed attribute is applied only when allocation is
> implied or can I apply packed
> attribute to struct definitions where no variables are declared?

Yes, it applies to the type.

> struct __attribute__((__packed__)) foo { ... };
> struct foo bar; <--- is this packed?

Compare sizeof(struct foo) with sizeof(bar) to find out yourself.

Cheers, Phil