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Showing 1 changed file with 18 additions and 0 deletions.
18 changes: 18 additions & 0 deletions scripts/checkpatch.pl
Original file line number Diff line number Diff line change
@@ -323,6 +323,7 @@ sub hash_show_words {

our $c90_Keywords = qr{do|for|while|if|else|return|goto|continue|switch|default|case|break}x;

our $BasicType;
our $NonptrType;
our $NonptrTypeMisordered;
our $NonptrTypeWithAttr;
@@ -514,6 +515,11 @@ sub build_types {
my $Misordered = "(?x: \n" . join("|\n ", @typeListMisordered) . "\n)";
my $allWithAttr = "(?x: \n" . join("|\n ", @typeListWithAttr) . "\n)";
$Modifier = qr{(?:$Attribute|$Sparse|$mods)};
$BasicType = qr{
(?:$typeOtherOSTypedefs\b)|
(?:$typeTypedefs\b)|
(?:${all}\b)
}x;
$NonptrType = qr{
(?:$Modifier\s+|const\s+)*
(?:
@@ -3192,6 +3198,18 @@ sub process {
$herecurr);
}

# check for const <foo> const where <foo> is not a pointer or array type
if ($sline =~ /\bconst\s+($BasicType)\s+const\b/) {
my $found = $1;
if ($sline =~ /\bconst\s+\Q$found\E\s+const\b\s*\*/) {
WARN("CONST_CONST",
"'const $found const *' should probably be 'const $found * const'\n" . $herecurr);
} elsif ($sline !~ /\bconst\s+\Q$found\E\s+const\s+\w+\s*\[/) {
WARN("CONST_CONST",
"'const $found const' should probably be 'const $found'\n" . $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",

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