From: Andrew Morton <akpm@osdl.org>
To: Miles Bader <miles@gnu.org>
Cc: miles@lsi.nec.co.jp, torvalds@osdl.org,
76306.1226@compuserve.com, linux-kernel@vger.kernel.org,
vincent.hanquez@cl.cam.ac.uk, ak@suse.de
Subject: Re: [patch 2.6.13-rc3] i386: clean up user_mode macros
Date: Mon, 25 Jul 2005 18:34:13 -0700 [thread overview]
Message-ID: <20050725183413.08ed2a5f.akpm@osdl.org> (raw)
In-Reply-To: <buoll3upd84.fsf@mctpc71.ucom.lsi.nec.co.jp>
Miles Bader <miles@lsi.nec.co.jp> wrote:
>
> Linus Torvalds <torvalds@osdl.org> writes:
> > Ask a hundred random C programmers what "!!x" means, versus what "x != 0"
> > means, and time their replies.
>
> I've always thought of "!!" as the "canonicalize boolean" operator...
Me too. Once you get used to it, it's just the "convert non-zero to 1"
operator.
But whatever.
next prev parent reply other threads:[~2005-07-26 1:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-25 22:59 [patch 2.6.13-rc3] i386: clean up user_mode macros Chuck Ebbert
2005-07-25 23:13 ` Linus Torvalds
2005-07-26 0:20 ` Steven Rostedt
2005-07-26 2:45 ` Lee Revell
2005-07-26 1:28 ` Miles Bader
2005-07-26 1:34 ` Andrew Morton [this message]
2005-07-26 2:31 ` randy_dunlap
-- strict thread matches above, loose matches on Subject: below --
2005-07-27 1:57 Chuck Ebbert
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