From 1dc19de5da64962a98a37bbc7b93a3895d2eb6e6 Mon Sep 17 00:00:00 2001
From: Janos Guljas <janos@resenje.org>
Date: Mon, 4 Dec 2017 22:56:52 +0100
Subject: swarm/api: use path.Ext instead strings.LastIndex in
 MultiResolver.Resolve

---
 swarm/api/api.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'swarm')

diff --git a/swarm/api/api.go b/swarm/api/api.go
index 8bd386643..2d9db022e 100644
--- a/swarm/api/api.go
+++ b/swarm/api/api.go
@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"path"
 	"regexp"
 	"strings"
 	"sync"
@@ -83,8 +84,8 @@ func NewMultiResolver(opts ...MultiResolverOption) (m *MultiResolver) {
 // will be returned.
 func (m MultiResolver) Resolve(addr string) (h common.Hash, err error) {
 	rs := m.resolvers[""]
-	if i := strings.LastIndex(addr, "."); i >= 0 {
-		rstld, ok := m.resolvers[addr[i+1:]]
+	if ext := path.Ext(addr); ext != "" {
+		rstld, ok := m.resolvers[ext[1:]]
 		if ok {
 			rs = rstld
 		}
-- 
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