linux-kernel - Re: checkpatch guide for newbies

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Message-ID: <5241CF3C.8040403@ahsoftware.de>
Date:	Tue, 24 Sep 2013 19:43:24 +0200
From:	Alexander Holler <holler@...oftware.de>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
CC:	Dan Carpenter <dan.carpenter@...cle.com>,
	kernel-janitors@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: checkpatch guide for newbies

Am 24.09.2013 19:26, schrieb Alexander Holler:
> Am 24.09.2013 18:36, schrieb Bjorn Helgaas:
>> On Mon, Sep 23, 2013 at 3:01 AM, Dan Carpenter
>> <dan.carpenter@...cle.com> wrote:
>>>                  Long Lines
>>>
>>> Historically screens were 80 characters wide and it was annoying when
>>> code went
>>> over the edge.  These days we have larger screens, but we keep the 80
>>> character
>>> limit because it forces us to write simpler code.
>
> Sorry, but that just isn't true and never was. Having a line wide limit
> of 80 characters while forcing tabs to be 8 characters long limits most
> code to just 72 characters. And even less (max 64) inside constructs
> like if, for or while.
>
> The only outcome of that totally silly rule is that variable names will
> become shorted to silly acronyms almost nobody does understand make code
> unreadable.

I forgot to mention function names, which are often even worse shortened 
than variable names.

>
> I always feel like beeing in the IT stone age when programmers thought
> they have to use variable names like a, b and c to save storage, memory
> or to type less when reading linux kernel code.
>
> Regards,
>
> Alexander Holler
>
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