linux-kernel - Re: [PATCH 2/3] kconfig: add a function to get the CONFIG

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Date:	Fri, 19 Oct 2012 19:59:40 +0200
From:	"Yann E. MORIN" <yann.morin.1998@...e.fr>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] kconfig: add a function to get the CONFIG_ prefix

Michal, All,

On Friday 19 October 2012 Michal Marek wrote:
> On 18.10.2012 21:50, Yann E. MORIN wrote:
> > -#ifndef CONFIG_
> > -#define CONFIG_ "CONFIG_"
> > +/* Those two defines copied from include/linux/stringify.h */
> > +#define __stringify_1(x...)	#x
> > +#define __stringify(x...)	__stringify_1(x)
> > +static inline const char *CONFIG_prefix(void)
> > +{
> > +	return __stringify(CONFIG_);
> 
> This changes the semantics of the CONFIG_ macro. Previously, a
> double-quoted string was accepted, now you have to define it to a token
> that is turned into a string. Why don't you keep it as before and just do a
> 
> return CONFIG_;
> 
> in the function?

Yes, that's as simple as it looks, indeed. /me hides.

Thank you!
Regards,
Yann E. MORIN.

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