From: Phil Sutter <phil@nwl.cc>
To: "Daniel." <danielhilst@gmail.com>
Cc: linux-c-programming@vger.kernel.org
Subject: Re: Does __attribute__((__packed__)) aplies to types or variables?
Date: Sat, 24 Oct 2015 02:52:32 +0200 [thread overview]
Message-ID: <20151024005130.8643C214AA@mail.nwl.cc> (raw)
In-Reply-To: <CAF3SDA4G2YGNOOOSeQE7JPow62M1NX34SiMv=5KykFb-oO1Exg@mail.gmail.com>
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
prev parent reply other threads:[~2015-10-24 0:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-21 17:56 Does __attribute__((__packed__)) aplies to types or variables? Daniel.
[not found] ` <CAK7N6vrh05XDwa_nBTmid8QZUU8wgFhm0w=R+aMA9tOugL46Mg@mail.gmail.com>
[not found] ` <CAF3SDA7pObzwzk-AzdO38-c45VggTJJpwdNzujAuyMV=eSCc=w@mail.gmail.com>
2015-10-22 16:18 ` Daniel.
2015-10-24 0:52 ` Phil Sutter [this message]
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