linux-kernel - Re: Linux 3.0-rc3

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Message-ID: <4DF90801.4090904@mit.edu>
Date:	Wed, 15 Jun 2011 15:29:05 -0400
From:	Andy Lutomirski <luto@....EDU>
To:	Olivier Galibert <galibert@...ox.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 3.0-rc3

On 06/15/2011 03:15 AM, Olivier Galibert wrote:
> On Tue, Jun 14, 2011 at 10:59:41AM -0700, Linus Torvalds wrote:
>> On Tue, Jun 14, 2011 at 5:15 AM, Denys Vlasenko
>> <vda.linux@...glemail.com>  wrote:
>>>
>>> I've got a patch for my project to fix parsing of kernel version which
>>> has only two numbers. Basically,
>>>
>>> - scanf(ver, "%u.%u.%u",&a,&b,&c)
>>> + sscanf(ver, "%u.%u",&a,&b)
>>
>> Please just fix it.
>>
>> The projects that care about kernel version are buggy in so many ways
>> that it's not funny.
>
> His problem is recognizing "kernel version" vs. "filename" as a
> parameter.
>    depmod [ -e ]  [ -FSystem.map ]  [ -n ]  [ -v ]  [ version ]  [ filename... ]
>
> Oh course, that's a stupid interface, but probably a hard one to
> change.

Well, the man page says that the version parameter is used to find 
/lib/modules/version.  So why not check if /lib/modules/version exists 
and, if not, try the filename?

/me is still annoyed that some expensive commercial software over here 
won't start if you have funny characters like '+' in your kernel version.

--Andy
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