Re: defined(FOO) in macros

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Article #4359

#4359

From: Colin Plumb
Date: Wed, 15 Nov 1995 16:45

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In article <481adm$q4v@newshost.lanl.gov>,
Tanmoy Bhattacharya <tanmoy@qcd.lanl.gov> wrote:
>|> Now, the second two diagnostics are fine, but is the compiler allowed to
>|> not recognize "defined(FOO)" when it appears as part of a macro expansion?
>
>Yes. see 6.8.1

Yup, there it says it:
"If the token defined is generated as a result of this replacemnt process or
use of the defined unary operator does not match one of the two specified
forms prior to macro replacement, the behaviour is undefined."

Sorry about that.  Good thing I didn't send the bug report!
-- 
	-Colin

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Path: arc1-ca.pugleaf.net!nyx10.cs.du.edu!not-for-mail
From: colin@nyx10.cs.du.edu (Colin Plumb)
Newsgroups: comp.std.c
Subject: Re: defined(FOO) in macros
Date: 15 Nov 1995 09:45:39 -0700
Organization: University of Denver, Dept. of Math & Comp. Sci.
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