linux-kernel - Re: [PATCH v5] vfat: Deduplicate hex2bin()

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87vam8tjim.fsf@devron>
Date:   Tue, 01 Aug 2017 05:54:09 +0900
From:   OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        Joe Perches <joe@...ches.com>
Subject: Re: [PATCH v5] vfat: Deduplicate hex2bin()

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

>> +
>> +                               *(wchar_t *)op = uc[0] << 8 | uc[1];
>> +
>> +                               op += 2;
>
> This had been in the original patch 6 years ago and had been refused
> because of endianess issues.

Sorry, I forgot what I said completely. Maybe I changed my mind? 

			if (uni_xlate == 1) {
				*op++ = ':';
				op = hex_byte_pack(op, ec >> 8);
				op = hex_byte_pack(op, ec);
				len -= 5;

Here is output. So "uc[0] << 8 | uc[1]" is right code, isn't it?

>>                                 charlen = nls->char2uni(ip, len - i,
>> -                                                                       (wchar_t *)op);
>> +                                                       (wchar_t *)op);
>
> It perfectly fits one line.

It over 80 column.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>