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From: Joe Perches <joe@perches.com>
To: Peter Hurley <peter@hurleysoftware.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Andy Whitcroft <apw@canonical.com>,
	David Howells <dhowells@redhat.com>,
	"Ken O'Brien" <kernel@kenobrien.org>,
	gregkh@linuxfoundation.org, swetland@google.com,
	arve@android.com, viro@zeniv.linux.org.uk,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2] checkpatch: Warn on unnecessary line continuations
Date: Sat, 27 Oct 2012 21:46:36 -0700	[thread overview]
Message-ID: <1351399596.13495.3.camel@joe-AO722> (raw)
In-Reply-To: <1350924315.7502.6.camel@joe-AO722>

When the previous line is not a line continuation and the
current line has a line continuation but is not a #define,
emit a warning.

Signed-off-by: Joe Perches <joe@perches.com>
---
 scripts/checkpatch.pl |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f18750e..d4f61a6 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3013,6 +3013,15 @@ sub process {
 					      "Macros with complex values should be enclosed in parenthesis\n" . "$herectx");
 				}
 			}
+
+# check for line continuations outside of #defines
+
+		} else {
+			if ($prevline !~ /^..*\\$/ &&
+			    $line =~ /^\+.*\\$/) {
+				WARN("LINE_CONTINUATIONS",
+				     "Avoid unnecessary line continuations\n" . $herecurr);
+			}
 		}
 
 # do {} while (0) macro tests:



  reply	other threads:[~2012-10-28  4:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-20 22:33 [PATCH 1/2] staging: android: checkpatch.pl fixes Ken O'Brien
2012-10-20 22:33 ` [PATCH 2/2] staging: android: binder.c: checkpatch.pl Ken O'Brien
2012-10-21  1:05 ` [PATCH 1/2] staging: android: checkpatch.pl fixes Joe Perches
2012-10-21  2:05   ` Cruz Julian Bishop
2012-10-21  2:09     ` Joe Perches
2012-10-22  9:37 ` David Howells
2012-10-22 12:15   ` Joe Perches
2012-10-22 13:02     ` Peter Hurley
2012-10-22 13:16       ` [PATCH] checkpatch: Warn on unnecessary line continuations Joe Perches
2012-10-22 16:45         ` Joe Perches
2012-10-28  4:46           ` Joe Perches [this message]
2012-10-22 20:03 ` [PATCH 1/2] staging: android: checkpatch.pl fixes Greg KH
2012-10-24 14:48   ` kernel kernel

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