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

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Date:	Mon, 18 Jul 2011 13:25:12 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/2] lib: make TOLOWER macro public

NAK
This macro sucks because name doesn't reflect hackish nature.
_tolower() should be moved into public header.

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;
> -}
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