}x;
$Type = qr{
$NonptrType
- (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*|\[\])+|(?:\s*\[\s*\])+)?
+ (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*\s*(?:const\s*)?|\[\])+|(?:\s*\[\s*\])+)?
(?:\s+$Inline|\s+$Modifier)*
}x;
$Declare = qr{(?:$Storage\s+(?:$Inline\s+)?)?$Type};
# Only applies when adding the entry originally, after that we do not have
# sufficient context to determine whether it is indeed long enough.
if ($realfile =~ /Kconfig/ &&
- $line =~ /.\s*config\s+/) {
+ $line =~ /^\+\s*config\s+/) {
my $length = 0;
my $cnt = $realcnt;
my $ln = $linenr + 1;
$is_end = $lines[$ln - 1] =~ /^\+/;
next if ($f =~ /^-/);
+ last if (!$file && $f =~ /^\@\@/);
- if ($lines[$ln - 1] =~ /.\s*(?:bool|tristate)\s*\"/) {
+ if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate)\s*\"/) {
$is_start = 1;
- } elsif ($lines[$ln - 1] =~ /.\s*(?:---)?help(?:---)?$/) {
+ } elsif ($lines[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) {
$length = -1;
}
}
}
- if ($line =~ /^\+.*\*[ \t]*\)[ \t]+(?!$Assignment|$Arithmetic)/) {
+ if ($line =~ /^\+.*\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic)/) {
if (CHK("SPACING",
- "No space is necessary after a cast\n" . $hereprev) &&
+ "No space is necessary after a cast\n" . $herecurr) &&
$fix) {
$fixed[$linenr - 1] =~
- s/^(\+.*\*[ \t]*\))[ \t]+/$1/;
+ s/(\(\s*$Type\s*\))[ \t]+/$1/;
}
}
$sline =~ /^\+\s+\(?\s*(?:$Compare|$Assignment|$Operators)/) &&
# indentation of previous and current line are the same
(($prevline =~ /\+(\s+)\S/) && $sline =~ /^\+$1\S/)) {
- WARN("SPACING",
+ WARN("LINE_SPACING",
"Missing a blank line after declarations\n" . $hereprev);
}
}
}
+# check unnecessary parentheses around addressof/dereference single $Lvals
+# ie: &(foo->bar) should be &foo->bar and *(foo->bar) should be *foo->bar
+
+ while ($line =~ /(?:[^&]&\s*|\*)\(\s*($Ident\s*(?:$Member\s*)+)\s*\)/g) {
+ CHK("UNNECESSARY_PARENTHESES",
+ "Unnecessary parentheses around $1\n" . $herecurr);
+ }
+
#goto labels aren't indented, allow a single space however
if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and
!($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) {
# check for k[mz]alloc with multiplies that could be kmalloc_array/kcalloc
if ($^V && $^V ge 5.10.0 &&
- $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/) {
+ $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)\s*,/) {
my $oldfunc = $3;
my $a1 = $4;
my $a2 = $10;
my $newfunc = "kmalloc_array";
$newfunc = "kcalloc" if ($oldfunc eq "kzalloc");
- if ($a1 =~ /^sizeof\s*\S/ || $a2 =~ /^sizeof\s*\S/) {
+ my $r1 = $a1;
+ my $r2 = $a2;
+ if ($a1 =~ /^sizeof\s*\S/) {
+ $r1 = $a2;
+ $r2 = $a1;
+ }
+ if ($r1 !~ /^sizeof\b/ && $r2 =~ /^sizeof\s*\S/ &&
+ !($r1 =~ /^$Constant$/ || $r1 =~ /^[A-Z_][A-Z0-9_]*$/)) {
if (WARN("ALLOC_WITH_MULTIPLY",
"Prefer $newfunc over $oldfunc with multiply\n" . $herecurr) &&
$fix) {
- my $r1 = $a1;
- my $r2 = $a2;
- if ($a1 =~ /^sizeof\s*\S/) {
- $r1 = $a2;
- $r2 = $a1;
- }
$fixed[$linenr - 1] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . trim($r1) . ', ' . trim($r2)/e;
}