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SubjectRe: [PATCH 1/2] x86, setup: reorgize the early_console_setup
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On Mon, Aug 2, 2010 at 4:13 AM, Yinghai Lu <yinghai@kernel.org> wrote:
> Index: linux-2.6/arch/x86/boot/string.c
> ===================================================================
> --- linux-2.6.orig/arch/x86/boot/string.c
> +++ linux-2.6/arch/x86/boot/string.c
> @@ -12,7 +12,21 @@
>  * Very basic string functions
>  */
>
> -#include "boot.h"
> +static inline int isdigit(int ch)
> +{
> +       return (ch >= '0') && (ch <= '9');
> +}
> +
> +static inline int isxdigit(int ch)
> +{
> +       if (isdigit(ch))
> +               return true;
> +
> +       if ((ch >= 'a') && (ch <= 'f'))
> +               return true;
> +
> +       return (ch >= 'A') && (ch <= 'F');
> +}
>

These to functions above can be fairly simplified by writting as:

static bool inline is_hex_digit(int c) {
return (c >= '0' && c <= '9') ||
(c >= 'A' && c <= 'F') ||
(c >= 'a' && c <= 'f');
}

Thanks.
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