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checkpatch: add --strict test for concatenated string elements

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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@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2014-10-13 15:51:51 -07:00 committed by Linus Torvalds
parent 56193274ef
commit f17dba4fc0
1 changed files with 6 additions and 0 deletions
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6
scripts/checkpatch.pl
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@ -4344,6 +4344,12 @@ 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",