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Re: __builtin_string_constant_p

From: Jakub Jelinek <jakub at redhat dot com>
To: Andreas Schwab <schwab at suse dot de>
Cc: Michael Veksler <VEKSLER at il dot ibm dot com>, Florian Weimer <fw at deneb dot enyo dot de>, gcc at gcc dot gnu dot org
Date: Wed, 11 Aug 2004 07:57:09 +0200
Subject: Re: __builtin_string_constant_p
References: <OF68073EA2.15BE670B-ONC2256EED.0027E56B-C2256EED.002A2BE6@il.ibm.com> <jer7qehzo7.fsf@sykes.suse.de>
Reply-to: Jakub Jelinek <jakub at redhat dot com>

On Wed, Aug 11, 2004 at 10:00:40AM +0200, Andreas Schwab wrote:
> That will pass for every expression, since #text is always expanded to a
> string literal.  You probably want this:
> 
>          #define assert_string_constant(text) (void)(text "")
> 
> but that's not a 100% solution either, since text may be something like
> 1000 + "foobar" (but I can thing of any useful non-literal that would
> pass).

So maybe
#define assert_string_constant(text) (void)("" text "")

	Jakub

References:
- Re: __builtin_string_constant_p
  - From: Michael Veksler
- Re: __builtin_string_constant_p
  - From: Andreas Schwab

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