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From: Paul Jackson <pj@sgi.com>
To: ricknu-0@student.ltu.se
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org, jeff@garzik.org,
	adobriyan@gmail.com, vlobanov@speakeasy.net,
	jengelh@linux01.gwdg.de, getshorty_@hotmail.com,
	pwil3058@bigpond.net.au, mb@bu3sch.de, penberg@cs.helsinki.fi,
	stefanr@s5r6.in-berlin.de, larsbj@gullik.net
Subject: Re: [RFC][PATCH] A generic boolean (version 4)
Date: Sun, 23 Jul 2006 14:13:19 -0700	[thread overview]
Message-ID: <20060723141319.7eed99eb.pj@sgi.com> (raw)
In-Reply-To: <1153669750.44c39a7607a30@portal.student.luth.se>

The defines of false and true to be themselves are going to cause a
thousand code readers to say "wtf?".  How about a comment, as in:

 enum {
 	false	= 0,
 	true	= 1
 };
+
+/* Let any other #if[n]def's on false/true presume they're defined */
 #define false false
 #define true true 
 

===

On second thought, I just grep'd the entire kernel with:
	grep -E '#ifn*def.*(false|true)'
and only found exactly one other such #ifdef construct:

  drivers/media/video/cpia2/cpia2.h:
    #ifndef true
    #define true 1
    #define false 0
    #endif

Perhaps we should just drop the cpia2.h defines, and drop
the defines of false/true to be themselves.  And drop my
comment ;).

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@sgi.com> 1.925.600.0401

  parent reply	other threads:[~2006-07-23 21:14 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-19 20:38 [RFC][PATCH] A generic boolean ricknu-0
2006-07-19 21:04 ` Jeff Garzik
2006-07-19 23:17   ` ricknu-0
2006-07-20  0:13     ` Jeff Garzik
2006-07-20  3:04       ` Vadim Lobanov
2006-07-20  3:53         ` Shorty Porty
2006-07-20  3:59           ` Dmitry Torokhov
2006-07-20  8:07           ` Jan Engelhardt
2006-08-04 14:03   ` Jes Sorensen
2006-08-04 14:42     ` Alan Cox
2006-08-04 14:35       ` Jes Sorensen
2006-08-04 15:51         ` Alan Cox
2006-08-04 15:58           ` Jes Sorensen
2006-08-04 16:00             ` Andreas Schwab
2006-08-04 16:08               ` Jes Sorensen
2006-08-04 16:16                 ` Andreas Schwab
2006-08-04 16:26                   ` Jes Sorensen
2006-08-04 16:57                     ` Andreas Schwab
2006-08-04 18:47                       ` Jes Sorensen
2006-08-04 18:51                         ` H. Peter Anvin
2006-08-04 18:58                           ` Jes Sorensen
2006-08-04 19:04                             ` H. Peter Anvin
2006-08-06  9:25                   ` Jan Engelhardt
2006-08-06  9:48                     ` Andreas Schwab
2006-08-06  9:31                 ` Jan Engelhardt
2006-08-06 15:31                   ` Jes Sorensen
2006-08-04 16:30             ` Alan Cox
2006-08-04 16:20               ` Jes Sorensen
2006-07-19 21:20 ` Alexey Dobriyan
2006-07-19 22:47   ` ricknu-0
2006-07-19 23:52     ` Peter Williams
2006-07-20  0:08       ` ricknu-0
2006-07-20  8:09   ` Jan Engelhardt
2006-07-21  1:24 ` [RFC][PATCH] A generic boolean (version 2) ricknu-0
2006-07-21  1:34   ` Jeff Garzik
2006-07-21  8:55     ` Pekka Enberg
2006-07-21 21:14       ` Jeff Garzik
2006-07-25 19:04         ` Roman Kononov
2006-07-21 22:31     ` ricknu-0
2006-07-23 19:56     ` ricknu-0
2006-07-21 14:23   ` Jan Engelhardt
2006-07-21 18:27     ` Michael Buesch
2006-07-21 21:14       ` Jeff Garzik
2006-07-21 22:11         ` ricknu-0
2006-07-22  8:56       ` Jan Engelhardt
2006-07-21 23:08 ` [RFC][PATCH] A generic boolean (version 3) ricknu-0
2006-07-21 23:27 ` ricknu-0
2006-07-22  5:40   ` Stefan Richter
2006-07-22 17:08     ` ricknu-0
2006-07-22 18:08       ` Stefan Richter
2006-07-22  8:58   ` Jan Engelhardt
2006-07-22 17:19     ` ricknu-0
2006-07-22  9:55   ` Lars Gullik Bjønnes
2006-07-23 15:43     ` ricknu-0
2006-07-23 15:49 ` [RFC][PATCH] A generic boolean (version 4) ricknu-0
2006-07-23 16:08   ` Jan Engelhardt
2006-07-23 19:36     ` ricknu-0
2006-07-23 20:26       ` Jeff Garzik
2006-07-23 20:25     ` Jeff Garzik
2006-07-23 21:17       ` Jan Engelhardt
2006-07-23 21:44         ` Jeff Garzik
2006-07-24  8:55     ` Paul Jackson
2006-07-23 16:13   ` Michael Buesch
2006-07-23 19:46     ` ricknu-0
2006-07-23 20:24   ` Jeff Garzik
2006-07-23 21:13   ` Paul Jackson [this message]
2006-07-25 23:22 ` [RFC][PATCH] A generic boolean (version 5) ricknu-0
2006-07-26  0:42   ` Paul Jackson
2006-07-26 20:28 ` [RFC][PATCH] A generic boolean (version 6) ricknu-0
2006-07-27  1:06   ` Paul Jackson
2006-07-27  2:10     ` Josef Sipek
2006-07-27  3:51       ` ricknu-0
2006-07-27  4:40         ` Josef Sipek
2006-07-27  4:00       ` Paul Jackson
2006-07-27  3:30     ` ricknu-0
2006-07-28 16:57     ` Jan Engelhardt
2006-07-27  2:48   ` Arnd Bergmann
2006-07-27  3:22     ` ricknu-0
2006-07-27  5:27     ` Nicholas Miell
2006-07-27  6:51       ` Paul Jackson
2006-07-27 19:55       ` ricknu-0
2006-07-27 20:13         ` Nicholas Miell
2006-07-28  1:29           ` ricknu-0
2006-07-28  1:56             ` Nicholas Miell
2006-07-28 12:50           ` Alan Cox
2006-07-28 20:24             ` Lars Noschinski
2006-07-28 21:31               ` Nicholas Miell
2006-07-27 19:46 ` [RFC][PATCH] A generic boolean (version 7) ricknu-0

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