linux-kernel - Re: [PATCH v2] checkpatch: add double empty line check

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Date:	Tue, 20 Nov 2012 16:14:17 +0000
From:	Andy Whitcroft <apw@...onical.com>
To:	Eilon Greenstein <eilong@...adcom.com>
Cc:	Joe Perches <joe@...ches.com>,
	David Rientjes <rientjes@...gle.com>,
	linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH v2] checkpatch: add double empty line check

On Tue, Nov 20, 2012 at 06:06:10PM +0200, Eilon Greenstein wrote:
> I'm only testing the nextline if the current line is newly added. If I
> got it right, when a line is newly added, the next line can be:
> a. another new line
> b. existing line (provided for context)
> c. Does not exist since this is the end of the file (I missed this one
> originally)
> 
> It cannot just jump to the next hunk and it cannot be a deleted line,
> right?

Mostly that would be true.  If the hunk is the last hunk and adds lines
at the bottom of a file _and_ the context around it has blank lines then
something.  I think that would trip up this algorithm, reporting beyond
the end of the hunk perhaps.

-apw
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