From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <3BE087DA.8F9ED9CC@linux-m68k.org>
Date: Thu, 01 Nov 2001 00:23:06 +0100
From: Roman Zippel <zippel@linux-m68k.org>
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To: Tom Rini <trini@kernel.crashing.org>
Cc: linuxppc-dev@lists.linuxppc.org
Subject: Re: small cleanup
References: <20011031084233.A18493@cpe-24-221-152-185.az.sprintbbd.net> <Pine.LNX.4.33.0110312042050.1723-100000@serv> <20011031155335.A20613@cpe-24-221-152-185.az.sprintbbd.net>
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Hi,

Tom Rini wrote:

> I will when I get a moment.. :)  But #ifndef __FOO__ #define __FOO__
> #ifdef __BAR__ ... #endif /* __BAR__ */ #endif /* __FOO__ */ works
> better than checking for __BAR__ first?

IMO yes: "If a subsequent `#include' specifies the same file, and the
macro in the `#ifndef' is already defined, then the file is entirely
skipped, without even reading it."

bye, Roman

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