linux-kernel - Re: scripts/makelst: bc -> shell Re: sed _s_gnu_alternatives

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: <20070203112459.GW28152@vasa.acc.umu.se>
Date:	Sat, 3 Feb 2007 12:24:59 +0100
From:	David Weinehall <tao@....umu.se>
To:	Oleg Verych <olecom@...wer.upol.cz>
Cc:	Tim Schmielau <tim@...sik3.uni-rostock.de>,
	Rob Landley <rob@...dley.net>, Andrew Morton <akpm@...l.org>,
	Sam Ravnborg <sam@...nborg.org>,
	Roman Zippel <zippel@...ux-m68k.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: scripts/makelst: bc -> shell Re: sed _s_gnu_alternatives_ (Re: [rft] (g)awk substitution)

On Sat, Jan 27, 2007 at 06:38:36AM +0000, Oleg Verych wrote:
[snip]
> ,-*- diff snip -*-
> |-    t4=`echo $t3 | gawk '{ print $1 }'`
> |-    t5=`echo $t1 | gawk '{ print $1 }'`
> |+    t4=`pos_param 1 $t3`
> |+    t5=`pos_param 1 $t1`
> 5     t6=`echo $t4 - $t5 | tr a-f A-F`
> 6     t7=`( echo  ibase=16 ; echo $t6 ) | bc`
> `-*-
> 
> I've just noticed, that things on lines 5 and 6 may be optimized.
> 
> t7=`printf "%lu" $(( 0x$t4 - 0x$t5 ))`

%lu does not seem to agree with SuSv3:

http://www.opengroup.org/onlinepubs/009695399/utilities/printf.html
http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap05.html

[snip]


Regards: David Weinehall
-- 
 /) David Weinehall <tao@....umu.se> /) Northern lights wander      (\
//  Maintainer of the v2.0 kernel   //  Dance across the winter sky //
\)  http://www.acc.umu.se/~tao/    (/   Full colour fire           (/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/