From: Comeau At9Fans <comeauat9fans@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] cc nit?
Date: Sun, 1 Jul 2012 18:22:17 -0400 [thread overview]
Message-ID: <CAE9W7-iFxd6ysP4cxRcGVuLT0n+SY2r4XjOTVpjpXi292v4WWQ@mail.gmail.com> (raw)
In-Reply-To: <CAOw7k5g+tj=DkX23sZj+Z=g4HkAi72+1PJn3dkxyg_x9wJdm=w@mail.gmail.com>
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On Sun, Jul 1, 2012 at 4:39 PM, Charles Forsyth
<charles.forsyth@gmail.com>wrote:
> instead of trying to make void work as a data type declaration, it might
> be clearer to accept an empty struct.
Many compilers do just that, however, that said, unless the compiler is
prepared for it, since it effectively yields a struct of zero size which
normally is a no-go, it could produce bugs involving sizeof, initializers,
pointer addition et al, even some divisions by zero if the compiler is
making certain assumptions already, unless it already can have zero length
objects of this nature for some other reasons.
--
Greg Comeau / 4.3.10.1 with C++0xisms now in beta!
Comeau C/C++ ONLINE ==> http://www.comeaucomputing.com/tryitout
World Class Compilers: Breathtaking C++, Amazing C99, Fabulous C90.
Comeau C/C++ with Dinkumware's Libraries... Have you tried it?
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next prev parent reply other threads:[~2012-07-01 22:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-30 21:25 erik quanstrom
2012-06-30 21:33 ` Bakul Shah
2012-06-30 21:37 ` erik quanstrom
2012-06-30 22:15 ` Bakul Shah
2012-07-01 13:47 ` erik quanstrom
2012-07-01 16:54 ` Comeau At9Fans
2012-07-01 20:39 ` Charles Forsyth
2012-07-01 22:22 ` Comeau At9Fans [this message]
2012-07-01 22:32 ` Charles Forsyth
2012-07-01 22:34 ` Charles Forsyth
2012-07-02 0:21 ` Comeau At9Fans
2012-07-02 0:18 ` Comeau At9Fans
2012-07-02 7:42 ` Charles Forsyth
2012-07-02 7:45 ` Charles Forsyth
[not found] ` <CAE9W7-iFxd6ysP4cxRcGVuLT0n+SY2r4XjOTVpjpXi292v4WWQ@mail.gmail.c>
2012-07-01 22:45 ` erik quanstrom
2012-07-02 0:24 ` Comeau At9Fans
[not found] ` <CAE9W7-gZsWHuspmwBw0qU_djkiDhAF6hA2zLU3Ms=xiO1j5LXQ@mail.gmail.c>
2012-07-01 16:57 ` erik quanstrom
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