fix set/here and unset/here

[spider.git] / perl / Route.pm

diff --git a/perl/Route.pm b/perl/Route.pm
index b4306e04837e93d9275e1c5c98cc4c69150ede48..521068b023cba2c2e1358140f549d667d8b1d0c9 100644 (file)
--- a/perl/Route.pm
+++ b/perl/Route.pm
@@ -112,14 +112,20 @@ sub _dellist
 #
 # flag field constructors/enquirers
 #
+# These can be called in various ways:-
+#
+# Route::here or $ref->here returns 1 or 0 depending on value of the here flag
+# Route::here(1) returns 2 (the bit value of the here flag)
+# $ref->here(1) or $ref->here(0) sets the here flag
+#
 
 sub here
 {
        my $self = shift;
        my $r = shift;
        return $self ? 2 : 0 unless ref $self;
-       return ($self->{flags} & 2) ? 1 : 0 unless $r;
-       $self->{flags} = (($self->{flags} & ~2) | ($r ? 1 : 0));
+       return ($self->{flags} & 2) ? 1 : 0 unless defined $r;
+       $self->{flags} = (($self->{flags} & ~2) | ($r ? 2 : 0));
        return $r ? 1 : 0;
 }
 
@@ -128,7 +134,7 @@ sub conf
        my $self = shift;
        my $r = shift;
        return $self ? 1 : 0 unless ref $self;
-       return ($self->{flags} & 1) ? 1 : 0 unless $r;
+       return ($self->{flags} & 1) ? 1 : 0 unless defined $r;
        $self->{flags} = (($self->{flags} & ~1) | ($r ? 1 : 0));
        return $r ? 1 : 0;
 }