linux-kernel - Re: [PATCH 4/5] fs: fat: use hex_asc_lo/hex_asc

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Message-ID: <87aaufvk7w.fsf@devron.myhome.or.jp>
Date:	Thu, 11 Mar 2010 08:18:59 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] fs: fat: use hex_asc_lo/hex_asc_hi instead of custom one

Andy Shevchenko <andy.shevchenko@...il.com> writes:

>  			if (uni_xlate == 1) {
> -				*op = ':';
> -				for (k = 4; k > 0; k--) {
> -					nc = ec & 0xF;
> -					op[k] = nc > 9	? nc + ('a' - 10)
> -							: nc + '0';
> -					ec >>= 4;
> -				}
> -				op += 5;
> +				*op++ = ':';
> +				*op++ = hex_asc_hi(ec >> 8);
> +				*op++ = hex_asc_lo(ec >> 8);
> +				*op++ = hex_asc_hi(ec);
> +				*op++ = hex_asc_lo(ec);
>  				len -= 5;

Why doesn't this use pack_hex_byte()?

Thanks.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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