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From: Pekka Enberg <penberg@gmail.com>
To: Simon Braunschmidt <braunschmidt@corscience.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [Request for inclusion] Filesystem in Userspace
Date: Tue, 16 Nov 2004 13:20:38 +0200	[thread overview]
Message-ID: <84144f0204111603202f79f249@mail.gmail.com> (raw)
In-Reply-To: <4199DDF2.5040700@corscience.de>

Hi,

On Tue, 16 Nov 2004 12:01:06 +0100, Simon Braunschmidt
<braunschmidt@corscience.de> wrote:
> And redundancy does hurt maintainability.
> 
> Naturally, it would be the other way around.
> Sure you can write all your code in binary, or even better compressed,
> but i wouldnt maintain those beasts ;-)

No, that is obfuscation and has nothing to do with this. The cast I
mentioned is _redudant_ because the common case is:

         struct foo * f = (struct foo *) priv; /* priv is void pointer */

And the cast gives you absolutely zero benefit in terms of
readability. For arithmetic types, you use casts to be explicit about
different conversions, but for void pointers there's only one
conversion which makes sense and that's what the standard guarantees.

On Tue, 16 Nov 2004 12:01:06 +0100, Simon Braunschmidt
<braunschmidt@corscience.de> wrote:
> I vote for explicit casts, makes code more readable.

I vote for the established kernel coding style.

                                Pekka

  reply	other threads:[~2004-11-16 11:20 UTC|newest]

Thread overview: 124+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-15 21:15 [PATCH] [Request for inclusion] Filesystem in Userspace Miklos Szeredi
2004-11-15 21:43 ` Greg KH
2004-11-15 22:35 ` Linus Torvalds
2004-11-16  9:08   ` Miklos Szeredi
2004-11-16  9:18     ` Arjan van de Ven
2004-11-16  9:40       ` Miklos Szeredi
2004-11-16  9:46         ` Arjan van de Ven
2004-11-16  9:52           ` Miklos Szeredi
2004-11-16 10:17             ` David Woodhouse
2004-11-16 10:25               ` Miklos Szeredi
2004-11-16 10:13     ` Pekka Enberg
2004-11-16 10:20       ` Miklos Szeredi
2004-11-16 10:35         ` Pekka Enberg
2004-11-16 10:42           ` Miklos Szeredi
2004-11-16 12:19             ` Pekka Enberg
2004-11-16 11:01           ` Simon Braunschmidt
2004-11-16 11:20             ` Pekka Enberg [this message]
2004-11-16 15:18               ` Ralph Corderoy
2004-11-16 12:31             ` Jan Engelhardt
2004-11-16 11:02         ` Jan Kratochvil
2004-11-16 14:01           ` Miklos Szeredi
2004-11-16 16:33             ` Greg KH
2004-11-16 16:45               ` Miklos Szeredi
2004-11-16 17:03                 ` Greg KH
2004-11-16 17:50                   ` Miklos Szeredi
2004-11-16 17:58                     ` Greg KH
2004-11-16 19:09                       ` Miklos Szeredi
2004-11-16 19:16                         ` Greg KH
2004-11-16 19:30                           ` Miklos Szeredi
2004-11-16 19:38                             ` Greg KH
2004-11-16 19:24                         ` Jan Engelhardt
2004-11-16 19:32                           ` Miklos Szeredi
2004-11-16 19:42                             ` Anton Altaparmakov
2004-11-16 19:48                               ` Jan Engelhardt
2004-11-16 20:12                               ` Miklos Szeredi
2004-11-17 15:42               ` Miklos Szeredi
2004-11-17 16:57                 ` Nikita Danilov
2004-11-17 17:10                   ` Jan Engelhardt
2004-11-17 17:33                     ` Nikita Danilov
2004-11-17 17:38                       ` Jan Engelhardt
2004-11-17 17:58                         ` Nikita Danilov
2004-11-17 18:09                           ` Jan Engelhardt
2004-11-17 19:58                             ` Mike Waychison
2004-11-17 18:53                           ` [PATCH] " Al Viro
2004-11-17 17:56                   ` Miklos Szeredi
2004-11-17 18:11                     ` Greg KH
2004-11-17 18:17                       ` Miklos Szeredi
2004-11-17 18:20                     ` Nikita Danilov
2004-11-17 17:52                 ` Greg KH
2004-11-17 15:36             ` Alan Cox
2004-11-17 21:37               ` Bryan Henderson
2004-11-17 19:00 ` Pavel Machek
2004-11-17 19:45   ` Miklos Szeredi
2004-11-17 20:44     ` Pavel Machek
2004-11-18  8:17       ` Miklos Szeredi
2004-11-18 14:46         ` Pavel Machek
2004-11-21  7:42           ` Miklos Szeredi
2004-11-21  7:50             ` Miklos Szeredi
2004-11-21  9:50             ` Jan Hudec
2004-11-21 10:31               ` Miklos Szeredi
2004-11-21 10:39                 ` Jan Hudec
2004-11-21 11:29                   ` Miklos Szeredi
2004-11-21 11:53                     ` Anton Altaparmakov
2004-11-21 12:01                       ` Miklos Szeredi
2004-11-21 18:13             ` Pavel Machek
2004-11-22 16:12               ` Miklos Szeredi
2004-11-18 17:00         ` Bryan Henderson
2004-11-18 17:14           ` Miklos Szeredi
2004-11-18 18:49             ` Bryan Henderson
2004-11-18 19:12               ` Miklos Szeredi
2004-11-19  7:01               ` Jan Engelhardt
2004-11-20 12:00             ` Jan Hudec
2004-11-18 17:12         ` Bryan Henderson
2004-11-18 17:28           ` Miklos Szeredi
2004-11-18 18:01             ` Linus Torvalds
2004-11-18 17:29               ` Alan Cox
2004-11-18 18:55                 ` Linus Torvalds
2004-11-18 19:28                   ` Miklos Szeredi
2004-11-19  9:46                     ` Pavel Machek
2004-11-18 20:57                   ` Andrew Morton
2004-11-24  6:20                     ` Daniel Phillips
2004-11-24 12:15                 ` Avi Kivity
2004-11-24 13:05                   ` Miklos Szeredi
     [not found]                     ` <200411242001.59504.oliver@neukum.org>
2004-11-24 19:20                       ` Miklos Szeredi
2004-11-25  6:26                     ` Jan Hudec
2004-11-25  7:29                       ` Miklos Szeredi
2004-11-25  7:47                         ` Jan Hudec
2004-11-25  9:15                           ` Miklos Szeredi
2004-11-25  9:54                           ` Pavel Machek
2004-11-30 18:44                     ` Avi Kivity
2004-11-30 19:16                       ` Miklos Szeredi
2004-11-30 19:55                         ` Avi Kivity
2004-11-30 21:13                           ` Miklos Szeredi
2004-11-30 21:37                             ` Avi Kivity
2004-11-30 21:58                               ` Miklos Szeredi
2004-11-30 22:57                                 ` Avi Kivity
2004-11-30 23:19                                   ` Miklos Szeredi
2004-12-15 17:55                                     ` Avi Kivity
2004-12-15 21:49                                       ` Miklos Szeredi
2004-12-03 22:07                               ` Daniel Phillips
2004-12-15 17:45                                 ` Avi Kivity
2004-12-01  7:16                             ` Jan Hudec
2004-12-01 13:35                               ` Miklos Szeredi
2004-11-30 21:54                       ` Pavel Machek
2004-11-18 18:21               ` Miklos Szeredi
2004-11-18 18:31                 ` Linus Torvalds
2004-11-18 18:56                   ` Miklos Szeredi
2004-11-18 19:16                     ` Linus Torvalds
2004-11-18 19:33                       ` Miklos Szeredi
2004-11-18 19:43                         ` Linus Torvalds
2004-11-18 20:05                           ` Miklos Szeredi
2004-11-18 20:13                       ` Nikita Danilov
2004-11-18 21:06                     ` Andrew Morton
2004-11-18 21:33                       ` Miklos Szeredi
2004-11-19 11:27                       ` Miklos Szeredi
2004-11-27 17:07                         ` Rik van Riel
2004-11-27 17:13                           ` Pavel Machek
2004-12-03 22:07                           ` Daniel Phillips
2004-11-18 20:16                   ` Elladan
2004-11-18 18:28               ` Jamie Lokier
2004-11-18 18:47                 ` Linus Torvalds
2004-11-18 19:12             ` Bryan Henderson
2004-11-18 19:51               ` Miklos Szeredi
2004-11-18 22:00                 ` Jan Hudec

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