linux-kernel - Re: [PATCH 1/2] lib: make TOLOWER macro public

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Message-ID: <1310985389.3903.0.camel@smile>
Date:	Mon, 18 Jul 2011 13:36:29 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/2] lib: make TOLOWER macro public

On Mon, 2011-07-18 at 13:25 +0300, Alexey Dobriyan wrote: 
> NAK
> This macro sucks because name doesn't reflect hackish nature.
> _tolower() should be moved into public header.
> 
Makes sense. I think whole _tolower() could be moved to kernel.h.

> On Mon, Jul 18, 2011 at 11:23 AM, Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> > This macro is required by *printf and kstrto* functions that are located
> > in the different modules. This patch makes TOLOWER macro public.
> > However, it's good idea to not use the macro outside of mentioned
> > functions.
> 
> > --- a/include/linux/kernel.h
> > +++ b/include/linux/kernel.h
> 
> > +/* Works only for digits and letters, but small and fast */
> > +#define TOLOWER(x) ((x) | 0x20)
> 
> > --- a/lib/kstrtox.c
> > +++ b/lib/kstrtox.c
> > @@ -19,11 +19,6 @@
> >  #include <linux/types.h>
> >  #include <asm/uaccess.h>
> >
> > -static inline char _tolower(const char c)
> > -{
> > -       return c | 0x20;
> > -}

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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