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

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Message-ID: <1353454874.17819.41.camel@joe-AO722>
Date:	Tue, 20 Nov 2012 15:41:14 -0800
From:	Joe Perches <joe@...ches.com>
To:	Andy Whitcroft <apw@...onical.com>
Cc:	Eilon Greenstein <eilong@...adcom.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, 2012-11-20 at 23:19 +0000, Andy Whitcroft wrote:
> On Tue, Nov 20, 2012 at 01:58:48PM -0800, Joe Perches wrote:
> 
> > +# check for multiple blank lines, warn only on the second one in a block
> > +		if ($rawline =~ /^.\s*$/ &&
> > +		    $prevrawline =~ /^.\s*$/ &&
> > +		    $linenr != $last_blank_linenr + 1) {
> > +			CHK("DOUBLE_EMPTY_LINE",
> > +			    "One blank line separating blocks is generally sufficient\n" . $herecurr);
> > +			$last_blank_linenr = $linenr;
> > +		}
> > +
> >  # check for line continuations in quoted strings with odd counts of "
> >  		if ($rawline =~ /\\$/ && $rawline =~ tr/"/"/ % 2) {
> >  			WARN("LINE_CONTINUATIONS",
> 
> Pretty sure that will fail with combination which have removed lines.

Not as far as I can tell.
Deleted lines followed by inserted lines seem
to work OK.

This check is located after the test that ensures
the current $line/$rawline is an insertion.

> I have a version here which I am testing with the combinations I have
> isolated to far ...

Enjoy.
Can you please test my proposal against those combinations too?

cheers, Joe


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