[PATCH] checkpatch: Add --strict test for strings split acrossmultiple lines

[Joe Perches]

Strings split across multiple lines are commonly used
as formats.  These uncoalesced formats are hard to grep
and are relatively error prone.

Suggest coalescing split strings when using --strict.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
 scripts/checkpatch.pl |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 581a14c..5d0b46c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1860,6 +1860,12 @@ sub process {
 			    "Don't begin block comments with only a /* line, use /* comment...\n" . $hereprev);
 		}
 
+		if ($prevline =~ /^\+.*"[ \t]*$/ &&
+		    $line =~ /^\+[ \t]*"/) {
+			CHK("COALESCE_STRING",
+			    "Coalesced strings are easier to grep and less error prone\n" . $hereprev);
+		}
+
 # check for spaces at the beginning of a line.
 # Exceptions:
 #  1) within comments
-- 
1.7.8.111.gad25c.dirty



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