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scripts/checkpatch.pl: add warnings for static char that could be static const char

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Add warnings for possible missing const uses of
	static char foo[] = "bar"
    that could be
	static const char foo[] = "bar"
and
	static const char *foo[] = {"bar", "baz"}
    that could be
	static const char * const foo[] = {"bar", "baz"}

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Cc: Andy Whitcroft <apw@canonical.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 2010-10-26 14:23:20 -07:00 committed by Linus Torvalds
parent 267ad8f426
commit cb710eca68
1 changed files with 12 additions and 0 deletions
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12
scripts/checkpatch.pl
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@ -1869,6 +1869,18 @@ sub process {
$herecurr);
}
# check for static const char * arrays.
if ($line =~ /\bstatic\s+const\s+char\s*\*\s*(\w+)\s*\[\s*\]\s*=\s*/) {
WARN("static const char * array should probably be static const char * const\n" .
$herecurr);
}
# check for static char foo[] = "bar" declarations.
if ($line =~ /\bstatic\s+char\s+(\w+)\s*\[\s*\]\s*=\s*"/) {
WARN("static char array declaration should probably be static const char\n" .
$herecurr);
}
# check for new typedefs, only function parameters and sparse annotations
# make sense.
if ($line =~ /\btypedef\s/ &&