[PATCH] checkpatch: Improve UNSPECIFIED_INT test for bare signed/unsigned uses

From: Joe Perches
Date: Thu Mar 10 2016 - 22:36:03 EST


Improve the test to allow casts to (unsigned) or (signed) to be
found and fixed if desired.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
scripts/checkpatch.pl | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 75ce6d0..f59203c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3241,10 +3241,11 @@ sub process {
next if ($line =~ /^[^\+]/);

# check for declarations of signed or unsigned without int
- while ($line =~ m{($Declare++)\s*($Ident)\s*[=,;\[\)]}g) {
+ while ($line =~ m{($Declare)\s*(?!char\b|short\b|int\b|long\b)\s*($Ident)?\s*[=,;\[\)\(]}g) {
my $type = $1;
my $var = $2;
- if ($type =~ /^((?:un)?signed)((?:\s*\*)*)\s*$/) {
+ $var = "" if (!defined $var);
+ if ($type =~ /^(?:(?:$Storage|$Inline|$Attribute)\s+)*((?:un)?signed)((?:\s*\*)*)\s*$/) {
my $sign = $1;
my $pointer = $2;

@@ -3254,8 +3255,11 @@ sub process {
"Prefer '" . trim($sign) . " int" . rtrim($pointer) . "' to bare use of '$sign" . rtrim($pointer) . "'\n" . $herecurr) &&
$fix) {
my $decl = trim($sign) . " int ";
- $decl .= trim($pointer) if (rtrim($pointer) ne "");
- $fixed[$fixlinenr] =~ s@\b\Q$type\E\s*$var\b@$decl$var@;
+ my $comp_pointer = $pointer;
+ $comp_pointer =~ s/\s//g;
+ $decl .= $comp_pointer;
+ $decl = rtrim($decl) if ($var eq "");
+ $fixed[$fixlinenr] =~ s@\b$sign\s*\Q$pointer\E\s*$var\b@$decl$var@;
}
}
}
--
2.6.3.368.gf34be46