1 files changed, 4 insertions, 19 deletions
diff --git a/config/util.go b/config/util.go
index 7cd8c01e..e857b98b 100644
--- a/config/util.go
+++ b/config/util.go
@@ -81,23 +81,6 @@ func getIPv6LinkLocalAddress(ifname string) (string, error) {
 	return "", fmt.Errorf("no ipv6 link local address for %s", ifname)
 }
 
-func isLocalLinkLocalAddress(ifindex int, addr net.IP) (bool, error) {
-	ifi, err := net.InterfaceByIndex(ifindex)
-	if err != nil {
-		return false, err
-	}
-	addrs, err := ifi.Addrs()
-	if err != nil {
-		return false, err
-	}
-	for _, a := range addrs {
-		if ip, _, _ := net.ParseCIDR(a.String()); addr.Equal(ip) {
-			return true, nil
-		}
-	}
-	return false, nil
-}
-
 func (b *BgpConfigSet) getPeerGroup(n string) (*PeerGroup, error) {
 	if n == "" {
 		return nil, nil
@@ -240,6 +223,9 @@ func (n *Neighbor) NeedsResendOpenMessage(new *Neighbor) bool {
 		isAfiSafiChanged(n.AfiSafis, new.AfiSafis)
 }
 
+// TODO: these regexp are duplicated in api
+var _regexpPrefixMaskLengthRange = regexp.MustCompile(`(\d+)\.\.(\d+)`)
+
 func ParseMaskLength(prefix, mask string) (int, int, error) {
 	_, ipNet, err := net.ParseCIDR(prefix)
 	if err != nil {
@@ -249,8 +235,7 @@ func ParseMaskLength(prefix, mask string) (int, int, error) {
 		l, _ := ipNet.Mask.Size()
 		return l, l, nil
 	}
-	exp := regexp.MustCompile("(\\d+)\\.\\.(\\d+)")
-	elems := exp.FindStringSubmatch(mask)
+	elems := _regexpPrefixMaskLengthRange.FindStringSubmatch(mask)
 	if len(elems) != 3 {
 		return 0, 0, fmt.Errorf("invalid mask length range: %s", mask)
 	}