Re: [PATCH] checkpatch: allow single space before labels

[Joe Perches]

On Mon, 2010-10-18 at 20:32 +0200, Peter Zijlstra wrote:
> On Mon, 2010-10-18 at 14:21 -0400, Mike Frysinger wrote:
> > sounds like an ACK for Joe's patch

I didn't submit a patch, I suggested a possible improvement to
your patch.  If you agree with it, you could resubmit.

> There are checks I don't really like, for those I simply ignore its
> output, I suggest others do the same.

Seems sensible.

Mike, checkpatch does already allow a single space to precede
a label but there's a conflict between the leading spaces test
and this test below it, so something like your patch is useful.

----------------
#goto labels aren't indented, allow a single space however
		if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and
		   !($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) {
			WARN("labels should not be indented\n" . $herecurr);
		}
----------------

The leading space test may be overly noisy.
Maybe Andy can fix it a different way.

About 1% (~500) of the labels in the kernel source tree use
leading tabs.  I think that label style is harder for me to
visually scan and find, but it's probably not code I'd change
just for conformity.

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