Kerberos SPN generation for Negotiate challenges

net/base/address_list.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/base/address_list.h"
 
 #include <stdlib.h>
 
 #include "base/logging.h"
 #include "net/base/sys_addrinfo.h"
@@ skipping 117 matching lines @@
 int AddressList::GetPort() const {
   uint16* port_field = GetPortField(data_->head);
   if (!port_field)
     return -1;
 
   return ntohs(*port_field);
 }
 
 bool AddressList::GetCanonicalName(std::string* canonical_name) const {
   DCHECK(canonical_name);
-  if (!data_->head || !data_->head->ai_canonname)
+  if (!data_ || !data_->head->ai_canonname)
     return false;
   canonical_name->assign(data_->head->ai_canonname);
   return true;
 }
 
 void AddressList::SetFrom(const AddressList& src, int port) {
   if (src.GetPort() == port) {
     // We can reference the data from |src| directly.
     *this = src;
   } else {
@@ skipping 30 matching lines @@
 AddressList::Data::~Data() {
   // Call either freeaddrinfo(head), or FreeMyAddrinfo(head), depending who
   // created the data.
   if (is_system_created)
     freeaddrinfo(head);
   else
     FreeMyAddrinfo(head);
 }
 
 }  // namespace net