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| author | Joe Perches <joe@perches.com> | 2014-04-03 14:49:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-03 16:21:13 -0700 |
| commit | 9b0fa60d9be0a82bc9e49bdd2dcacdfe4d1d5192 (patch) | |
| tree | 6c3fa27f737a6a5221469ea0771da14b9fbdf2cd /scripts | |
| parent | 447432f32328dcd081ae5e23f27d2ffa19f2ecf8 (diff) | |
| download | lwn-9b0fa60d9be0a82bc9e49bdd2dcacdfe4d1d5192.tar.gz lwn-9b0fa60d9be0a82bc9e49bdd2dcacdfe4d1d5192.zip | |
checkpatch: add test for char * arrays that could be static const
static const char* arrays create smaller text as each function call does
not have to populate the array.
Emit a warning when char *arrays aren't static const and the array is
not apparently global by being declared in the first column.
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>
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/checkpatch.pl | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 646295cd9990..91308bec89b9 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2675,6 +2675,13 @@ sub process { $herecurr); } +# check for non-global char *foo[] = {"bar", ...} declarations. + if ($line =~ /^.\s+(?:static\s+|const\s+)?char\s+\*\s*\w+\s*\[\s*\]\s*=\s*\{/) { + WARN("STATIC_CONST_CHAR_ARRAY", + "char * array declaration might be better as static const\n" . + $herecurr); + } + # check for function declarations without arguments like "int foo()" if ($line =~ /(\b$Type\s+$Ident)\s*\(\s*\)/) { if (ERROR("FUNCTION_WITHOUT_ARGS", |