Better error detection for mask.

1 files changed, 3 insertions, 1 deletions

diff --git a/greypool b/greypool
index 8ccfba9..073512f 100755
--- a/greypool
+++ b/greypool
@@ -302,7 +302,9 @@ sub parse_transform {
 	my $junk;
 	($pkg, $subst, $junk) = split /\s+/, $_[0];
 
-	fatal "$config_file:$.: trailing junk on transform line" if $junk;
+	if(defined $junk || !defined $subst || !defined $pkg) {
+		fatal "$config_file:$.: transform requires exactly 2 arguments";
+	}
 
 	eval 'my $i = ""; $i =~ ' . $subst . ';';
 	if($@) {