From: liuyuhong <liuyuhong@cmss.chinamobile.com>
Date: Thu, 27 Apr 2017 08:48:57 +0000 (+0800)
Subject: rgw/rgw_swift_auth.cc: using string::back() instead as the C++11 recommend
X-Git-Tag: v12.1.0~10^2~42^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ed44687a79e06e893d67c32ae842d13a046904cc;p=ceph.git

rgw/rgw_swift_auth.cc: using string::back() instead as the C++11 recommend

Signed-off-by: liuyuhong <liuyuhong@cmss.chinamobile.com>
---

diff --git a/src/rgw/rgw_swift_auth.cc b/src/rgw/rgw_swift_auth.cc
index cc26db4fcce5..196d1988e018 100644
--- a/src/rgw/rgw_swift_auth.cc
+++ b/src/rgw/rgw_swift_auth.cc
@@ -304,7 +304,7 @@ ExternalTokenEngine::authenticate(const std::string& token,
   }
 
   std::string auth_url = g_conf->rgw_swift_auth_url;
-  if (auth_url[auth_url.length() - 1] != '/') {
+  if (auth_url.back() != '/') {
     auth_url.append("/");
   }