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Date:	Mon, 01 Sep 2014 10:33:02 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andy Whitcroft <apw@...onical.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Dan Carpenter <error27@...il.com>
Subject: [PATCH] checkpatch: Add --strict test for concatenated string
 elements

Using a space between concatenated string elements is
easier for a human to read.

ie:
	"String"FOO"bar"

is easier to read as:

	"String" FOO "bar"

So suggest this style with a --strict command line option.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index d89857d..48a2d8c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4335,6 +4335,12 @@ sub process {
 			     "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr);
 		}
 
+# concatenated string without spaces between elements
+		if ($line =~ /"X+"[A-Z_]+/ || $line =~ /[A-Z_]+"X+"/) {
+			CHK("CONCATENATED_STRING",
+			    "Concatenated strings should use spaces between elements\n" . $herecurr);
+		}
+
 # warn about #if 0
 		if ($line =~ /^.\s*\#\s*if\s+0\b/) {
 			CHK("REDUNDANT_CODE",




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