From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: "linux-os (Dick Johnson)" <linux-os@analogic.com>
Cc: "Robert P. J. Day" <rpjday@mindspring.com>,
Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: macros: "do-while" versus "({ })" and a compile-time error
Date: Tue, 09 Jan 2007 21:19:17 +0100 [thread overview]
Message-ID: <45A3F8C5.5060409@s5r6.in-berlin.de> (raw)
In-Reply-To: <Pine.LNX.4.61.0701091415200.12545@chaos.analogic.com>
linux-os (Dick Johnson) wrote:
> On Tue, 9 Jan 2007, Stefan Richter wrote:
>> The limitations are certainly highly compiler-specific.
>
> I don't think so.
I referred to the ({ expr; }) in this remark, not to do-while. It's not
a valid construct in many flavors of the C language in the first place.
Also, occurrences of ({ expr; }) could be expandable to a constant
expression but would still not be accepted by gcc's parser outside of
functions.
--
Stefan Richter
-=====-=-=== ---= -=--=
http://arcgraph.de/sr/
next prev parent reply other threads:[~2007-01-09 20:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-08 18:50 Robert P. J. Day
2007-01-09 17:08 ` H. Peter Anvin
2007-01-09 17:33 ` Stefan Richter
2007-01-09 19:23 ` linux-os (Dick Johnson)
2007-01-09 20:19 ` Stefan Richter [this message]
2007-01-10 6:20 ` Robert P. J. Day
2007-01-10 12:16 ` linux-os (Dick Johnson)
2007-01-10 13:46 ` Robert P. J. Day
2007-01-10 14:07 ` linux-os (Dick Johnson)
2007-01-10 18:25 ` Stefan Richter
2007-01-10 21:49 ` J.A. Magallón
2007-01-10 22:04 ` Andreas Schwab
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