From: Al Viro <viro@ftp.linux.org.uk>
To: Derek M Jones <derek@knosof.co.uk>
Cc: Josh Triplett <josht@linux.vnet.ibm.com>,
Alexey Dobriyan <adobriyan@sw.ru>,
linux-sparse@vger.kernel.org, adobriyan@gmail.com
Subject: Re: declaration specifiers wooziness
Date: Wed, 27 Jun 2007 16:39:27 +0100 [thread overview]
Message-ID: <20070627153927.GV21478@ftp.linux.org.uk> (raw)
In-Reply-To: <46827F4D.7010305@knosof.co.uk>
On Wed, Jun 27, 2007 at 04:16:29PM +0100, Derek M Jones wrote:
> These are all permitted by the syntax of C.
>
> 6.7 Declarations, the init-declarator-list is optional.
See 6.7[2]; the things like
int ;
violate the constraint.
> >>"typedef extern;" passes.
> ...
> >>Not sure how many different bugs there are here, though...
>
> Sparse might flag the usage as suspicious, but it is not a bug.
See 6.7.1[2]; no more than one storage class specifier in a declaration.
> >Several more:
>
> The syntax permits:
>
> signed unsigned short long double int;
See 6.7.2[2]; the set you've given is not in the list given there.
next prev parent reply other threads:[~2007-06-27 15:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-27 10:33 declaration specifiers wooziness Alexey Dobriyan
2007-06-27 15:01 ` Josh Triplett
2007-06-27 15:16 ` Derek M Jones
2007-06-27 15:31 ` Alexey Dobriyan
2007-06-27 15:34 ` Derek M Jones
2007-06-27 15:44 ` Derek M Jones
2007-06-27 15:48 ` Josh Triplett
2007-06-27 16:00 ` Al Viro
2007-06-27 15:39 ` Al Viro [this message]
2007-06-27 15:39 ` Josh Triplett
2007-06-27 15:41 ` Al Viro
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