Net::DNS::RR::PTR - DNS PTR resource record

    print "ptrdname = ", $rr->ptrdname, "\n";

package Net::DNS::RR::PTR;
#
# $Id: PTR.pm 812 2009-11-26 15:04:14Z olaf $
#
use strict;
BEGIN { 
    eval { require bytes; }
} 
use vars qw(@ISA $VERSION);

@ISA     = qw(Net::DNS::RR);
$VERSION = (qw$LastChangedRevision: 812 $)[1];

sub new {
	my ($class, $self, $data, $offset) = @_;

	if ($self->{"rdlength"} > 0) {
		($self->{"ptrdname"}) = Net::DNS::Packet::dn_expand($data, $offset);
	}

	return bless $self, $class;
}

sub new_from_string {
	my ($class, $self, $string) = @_;

	if ($string) {
		$self->{"ptrdname"} = Net::DNS::stripdot($string);
	}

	return bless $self, $class;
}

sub rdatastr {
	my $self = shift;
	return "" unless defined $self->{ptrdname};
	return "$self->{ptrdname}." ;
}

sub rr_rdata {
	my ($self, $packet, $offset) = @_;
	my $rdata = "";

	if (exists $self->{"ptrdname"}) {
		$rdata .= $packet->dn_comp(lc($self->{"ptrdname"}), $offset);
	}

	return $rdata;
}



sub _normalize_dnames {
	my $self=shift;
	$self->_normalize_ownername();
	$self->{'ptrdname'}=Net::DNS::stripdot($self->{'ptrdname'}) if defined $self->{'ptrdname'};
}


sub  _canonicalRdata {
	my ($self, $packet, $offset) = @_;
	my $rdata = "";

	if (exists $self->{"ptrdname"}) {
		$rdata .= $self->_name2wire($self->{"ptrdname"});
	}

	return $rdata;
}

1;
__END__