X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=listen.go;h=3840cc145a72b911438027847af806ada4ac046c;hb=HEAD;hp=0e1b5c0d309b88e30498007673f2590f68f77614;hpb=0290a1610ae2ffa374dcb76b5bf24578a2236935;p=btrtrc.git

diff --git a/listen.go b/listen.go
index 0e1b5c0d..3840cc14 100644
--- a/listen.go
+++ b/listen.go
@@ -2,24 +2,8 @@ package torrent
 
 import "strings"
 
-type peerNetworks struct {
-	tcp4, tcp6 bool
-	utp4, utp6 bool
-}
-
-func handleErr(h func(), fs ...func() error) error {
-	for _, f := range fs {
-		err := f()
-		if err != nil {
-			h()
-			return err
-		}
-	}
-	return nil
-}
-
 func LoopbackListenHost(network string) string {
-	if strings.Contains(network, "4") {
+	if strings.IndexByte(network, '4') != -1 {
 		return "127.0.0.1"
 	} else {
 		return "::1"