linux-kernel - Re: sed _s_gnu_alternatives_ (Re: [rft] (g)awk substitution)

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]

Date:	Sat, 27 Jan 2007 01:18:30 +0100 (CET)
From:	Tim Schmielau <tim@...sik3.uni-rostock.de>
To:	Oleg Verych <olecom@...wer.upol.cz>
cc:	Rob Landley <rob@...dley.net>, Andrew Morton <akpm@...l.org>,
	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: sed _s_gnu_alternatives_ (Re: [rft] (g)awk substitution)

On Fri, 26 Jan 2007, Oleg Verych wrote:

> In Debian's version it has no `bc', while native `bc' is producing
> crap like that:
> ,-*- bash -*-
> |olecom@...wer:~$ printf "%u" $(( -1 )) ; echo
> |18446744073709551615
> |olecom@...wer:~$ echo -1 | bc
> |-1
> |olecom@...wer:~$ printf "%u" $(( 0xFF )) ; echo
> |255
> |olecom@...wer:~$ echo FF | bc
> |99
> |olecom@...wer:~$ echo F | bc
> |15
> |olecom@...wer:~$
> `-*-
> 
> i can't understand the result... I think linux/scripts/makelst may be
> updated to have sh's version of address calculation ;)

No, IMHO that should not be a reason to change anything in the kernel.
Just set ibase=16 or read the fine manual:
  info '(bc)About Expressions and Special Variables'

Tim
-
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/