From: Rob <robpilling@gmail.com>
To: musl@lists.openwall.com
Subject: Re: malloc(0) behaviour
Date: Tue, 15 Jan 2013 23:22:20 +0000 [thread overview]
Message-ID: <20130115232220.GF2511@headless> (raw)
In-Reply-To: <A85FE2D1-89CB-4892-8696-AD5477582B57@palsenberg.com>
On Tue, Jan 15, 2013 at 11:28:14PM +0100, Igmar Palsenberg wrote:
> >> That's there to access if size is 0 ? Sure, you can access :
> >>
> >> struct foo {
> >> };
> >
> > This is a constraint violation. C does not allow empty structs, and
> > even if it did, they would not have size 0, since no type or object
> > ever has size 0 in C.
>
> GCC thinks otherwise
Therein lies the problem.
It's an extension, as are a multitude of other things such as ?:
expressions missing the middle expression and ({...}) and so on. Clang
also implements these, as do other compilers such as tcc.
Rob
next prev parent reply other threads:[~2013-01-15 23:22 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-14 17:17 Igmar Palsenberg
2013-01-14 18:05 ` Rich Felker
2013-01-14 22:22 ` Strake
2013-01-14 23:05 ` Rich Felker
2013-01-15 8:32 ` Igmar Palsenberg
2013-01-15 12:53 ` Rob Landley
2013-01-15 22:18 ` Igmar Palsenberg
2013-01-15 8:31 ` Igmar Palsenberg
2013-01-15 11:06 ` Szabolcs Nagy
2013-01-15 12:33 ` Igmar Palsenberg
2013-01-15 13:48 ` Rich Felker
2013-01-15 22:28 ` Igmar Palsenberg
2013-01-15 23:22 ` Rob [this message]
2013-01-16 7:46 ` Igmar Palsenberg
2013-01-15 13:46 ` Rich Felker
2013-01-15 12:52 ` Rob Landley
2013-01-14 23:37 ` Rob Landley
2013-01-15 0:24 ` Rich Felker
2013-01-15 12:17 ` Rob Landley
2013-01-15 9:01 ` Igmar Palsenberg
2013-01-15 12:58 ` Rob Landley
2013-01-15 14:54 ` dladdr() pierre
2013-01-15 18:48 ` dladdr() Rich Felker
2013-01-16 11:00 ` dladdr() pierre
2013-01-16 12:51 ` dladdr() Szabolcs Nagy
2013-01-16 14:24 ` dladdr() musl
2013-01-16 15:20 ` dladdr() pierre
2013-01-16 16:49 ` dladdr() Rich Felker
2013-01-16 17:42 ` dladdr() musl
2013-01-21 2:03 ` dladdr() Rich Felker
2013-01-21 6:58 ` dladdr() pierre
2013-01-21 18:35 ` dladdr() Rich Felker
2013-01-22 6:27 ` dladdr() pierre
2013-01-22 13:07 ` dladdr() Szabolcs Nagy
2013-01-22 13:40 ` dladdr() pierre
2013-01-22 13:51 ` dladdr() Rich Felker
2013-01-22 14:59 ` dladdr() pierre
2013-01-22 16:11 ` dladdr() Szabolcs Nagy
2013-01-22 23:43 ` dladdr() Rich Felker
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