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From: Segher Boessenkool <segher@kernel.crashing.org>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: "Robert P. J. Day" <rpjday@mindspring.com>,
	trivial@kernel.org, Randy Dunlap <randy.dunlap@oracle.com>,
	Muli Ben-Yehuda <muli@il.ibm.com>,
	Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Documentation: Explain a second alternative for multi-line macros.
Date: Mon, 1 Jan 2007 18:51:05 +0100	[thread overview]
Message-ID: <fb88b3708d2228b345fe68a5a207d069@kernel.crashing.org> (raw)
In-Reply-To: <Pine.LNX.4.61.0701011635420.24520@yvahk01.tjqt.qr>

> If people want to return something from a ({ }) construct, they should 
> do it
> explicitly, e.g.
>
> #define setcc(cc) ({ \
> 	partial_status &= ~(SW_C0|SW_C1|SW_C2|SW_C3); \
> 	partial_status |= (cc) & (SW_C0|SW_C1|SW_C2|SW_C3); \
> 	partial_status; \
> })

No, they generally should use an inline function instead.


Segher


  reply	other threads:[~2007-01-01 17:51 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-31 19:32 [PATCH] Documentation: Explain a second alternative for multi-line macros Robert P. J. Day
2006-12-31 19:45 ` Muli Ben-Yehuda
2006-12-31 19:49   ` Robert P. J. Day
2006-12-31 20:09     ` Muli Ben-Yehuda
2006-12-31 20:03       ` Randy Dunlap
2006-12-31 20:13       ` Robert P. J. Day
2007-01-01  2:40     ` Segher Boessenkool
2007-01-01  3:23       ` Randy Dunlap
2007-01-01  4:31         ` Segher Boessenkool
2007-01-01  4:30           ` Randy Dunlap
2007-01-01 15:37         ` Jan Engelhardt
2007-01-01 17:51           ` Segher Boessenkool [this message]
2007-01-01 19:11             ` Jan Engelhardt
2007-01-01  8:26       ` Robert P. J. Day
2007-01-01 14:20 ` Christoph Hellwig
2007-01-01 14:25   ` Robert P. J. Day
2007-01-01 16:14     ` Randy Dunlap

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