linux-kernel - Re: [PATCH 01/12] isdn: remove ishexdigit() in regard to isxdigit()

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Date:	Fri, 19 Feb 2010 00:36:09 +0100
From:	Tilman Schmidt <tilman@...p.cc>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andy Shevchenko <ext-andriy.shevchenko@...ia.com>
Subject: Re: [PATCH 01/12] isdn: remove ishexdigit() in regard to isxdigit()

Am 18.02.2010 19:55 schrieb Andy Shevchenko:
> From: Andy Shevchenko <ext-andriy.shevchenko@...ia.com>
> 
> Samll cleanup in drivers/isdn/gigaset/capi.c where own implementation of
> isxdigit() has been changed to kernel native one.
> 
> Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@...ia.com>

Acked-by: Tilman Schmidt <tilman@...p.cc>

Thanks,
Tilman

> ---
>  drivers/isdn/gigaset/capi.c |   16 +---------------
>  1 files changed, 1 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
> index 3f5cd06..83c4e2f 100644
> --- a/drivers/isdn/gigaset/capi.c
> +++ b/drivers/isdn/gigaset/capi.c
> @@ -169,20 +169,6 @@ static inline void ignore_cstruct_param(struct cardstate *cs, _cstruct param,
>  }
>  
>  /*
> - * check for legal hex digit
> - */
> -static inline int ishexdigit(char c)
> -{
> -	if (c >= '0' && c <= '9')
> -		return 1;
> -	if (c >= 'A' && c <= 'F')
> -		return 1;
> -	if (c >= 'a' && c <= 'f')
> -		return 1;
> -	return 0;
> -}
> -
> -/*
>   * convert hex to binary
>   */
>  static inline u8 hex2bin(char c)
> @@ -202,7 +188,7 @@ static int encode_ie(char *in, u8 *out, int maxlen)
>  {
>  	int l = 0;
>  	while (*in) {
> -		if (!ishexdigit(in[0]) || !ishexdigit(in[1]) || l >= maxlen)
> +		if (!isxdigit(in[0]) || !isxdigit(in[1]) || l >= maxlen)
>  			return -1;
>  		out[++l] = (hex2bin(in[0]) << 4) + hex2bin(in[1]);
>  		in += 2;

-- 
Tilman Schmidt                    E-Mail: tilman@...p.cc
Bonn, Germany
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