diff options
| -rwxr-xr-x | scripts/checkpatch.pl | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index c10befa118a5..10384cf40691 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -309,9 +309,12 @@ our $Operators = qr{ our $c90_Keywords = qr{do|for|while|if|else|return|goto|continue|switch|default|case|break}x; our $NonptrType; +our $NonptrTypeMisordered; our $NonptrTypeWithAttr; our $Type; +our $TypeMisordered; our $Declare; +our $DeclareMisordered; our $NON_ASCII_UTF8 = qr{ [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte @@ -353,6 +356,25 @@ our $signature_tags = qr{(?xi: Cc: )}; +our @typeListMisordered = ( + qr{char\s+(?:un)?signed}, + qr{int\s+(?:(?:un)?signed\s+)?short\s}, + qr{int\s+short(?:\s+(?:un)?signed)}, + qr{short\s+int(?:\s+(?:un)?signed)}, + qr{(?:un)?signed\s+int\s+short}, + qr{short\s+(?:un)?signed}, + qr{long\s+int\s+(?:un)?signed}, + qr{int\s+long\s+(?:un)?signed}, + qr{long\s+(?:un)?signed\s+int}, + qr{int\s+(?:un)?signed\s+long}, + qr{int\s+(?:un)?signed}, + qr{int\s+long\s+long\s+(?:un)?signed}, + qr{long\s+long\s+int\s+(?:un)?signed}, + qr{long\s+long\s+(?:un)?signed\s+int}, + qr{long\s+long\s+(?:un)?signed}, + qr{long\s+(?:un)?signed}, +); + our @typeList = ( qr{void}, qr{(?:(?:un)?signed\s+)?char}, @@ -373,6 +395,7 @@ our @typeList = ( qr{${Ident}_t}, qr{${Ident}_handler}, qr{${Ident}_handler_fn}, + @typeListMisordered, ); our @typeListWithAttr = ( @typeList, @@ -414,6 +437,7 @@ our $allowed_asm_includes = qr{(?x: sub build_types { my $mods = "(?x: \n" . join("|\n ", @modifierList) . "\n)"; my $all = "(?x: \n" . join("|\n ", @typeList) . "\n)"; + my $Misordered = "(?x: \n" . join("|\n ", @typeListMisordered) . "\n)"; my $allWithAttr = "(?x: \n" . join("|\n ", @typeListWithAttr) . "\n)"; $Modifier = qr{(?:$Attribute|$Sparse|$mods)}; $NonptrType = qr{ @@ -425,6 +449,13 @@ sub build_types { ) (?:\s+$Modifier|\s+const)* }x; + $NonptrTypeMisordered = qr{ + (?:$Modifier\s+|const\s+)* + (?: + (?:${Misordered}\b) + ) + (?:\s+$Modifier|\s+const)* + }x; $NonptrTypeWithAttr = qr{ (?:$Modifier\s+|const\s+)* (?: @@ -439,7 +470,13 @@ sub build_types { (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*\s*(?:const\s*)?|\[\])+|(?:\s*\[\s*\])+)? (?:\s+$Inline|\s+$Modifier)* }x; + $TypeMisordered = qr{ + $NonptrTypeMisordered + (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*\s*(?:const\s*)?|\[\])+|(?:\s*\[\s*\])+)? + (?:\s+$Inline|\s+$Modifier)* + }x; $Declare = qr{(?:$Storage\s+(?:$Inline\s+)?)?$Type}; + $DeclareMisordered = qr{(?:$Storage\s+(?:$Inline\s+)?)?$TypeMisordered}; } build_types(); @@ -2987,6 +3024,13 @@ sub process { } } +# check for misordered declarations of char/short/int/long with signed/unsigned + while ($sline =~ m{(\b$TypeMisordered\b)}g) { + my $tmp = trim($1); + WARN("MISORDERED_TYPE", + "type '$tmp' should be specified in [[un]signed] [short|int|long|long long] order\n" . $herecurr); + } + # check for static const char * arrays. if ($line =~ /\bstatic\s+const\s+char\s*\*\s*(\w+)\s*\[\s*\]\s*=\s*/) { WARN("STATIC_CONST_CHAR_ARRAY", |