Fix broken Mac OS socket code

runtime/bin/socket_win.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_WINDOWS)
 
 #include "bin/builtin.h"
 #include "bin/eventhandler.h"
 #include "bin/file.h"
@@ skipping 92 matching lines @@
                                 host,
                                 &len);
   if (err != 0) {
     Log::PrintErr("Error WSAAddressToString: %d\n", WSAGetLastError());
     return false;
   }
   return true;
 }
 
 intptr_t Socket::CreateConnect(RawAddr addr, const intptr_t port) {
-  SOCKET s = socket(addr.ss_family, SOCK_STREAM, 0);
+  SOCKET s = socket(addr.ss.ss_family, SOCK_STREAM, 0);
   if (s == INVALID_SOCKET) {
     return -1;
   }
 
   linger l;
   l.l_onoff = 1;
   l.l_linger = 10;
   int status = setsockopt(s,
                           SOL_SOCKET,
                           SO_LINGER,
@@ skipping 106 matching lines @@
     }
   }
   freeaddrinfo(info);
   return addresses;
 }
 
 
 intptr_t ServerSocket::CreateBindListen(RawAddr addr,
                                         intptr_t port,
                                         intptr_t backlog) {
-  SOCKET s = socket(addr.ss_family, SOCK_STREAM, IPPROTO_TCP);
+  SOCKET s = socket(addr.ss.ss_family, SOCK_STREAM, IPPROTO_TCP);
   if (s == INVALID_SOCKET) {
     return -1;
   }
 
   BOOL optval = true;
   int status = setsockopt(s,
                           SOL_SOCKET,
                           SO_REUSEADDR,
                           reinterpret_cast<const char*>(&optval),
                           sizeof(optval));
   if (status == SOCKET_ERROR) {
     DWORD rc = WSAGetLastError();
     closesocket(s);
     SetLastError(rc);
     return -1;
   }
 
-  if (addr.ss_family == AF_INET6) {
+  if (addr.ss.ss_family == AF_INET6) {
     optval = false;
     setsockopt(s,
                IPPROTO_IPV6,
                IPV6_V6ONLY,
                reinterpret_cast<const char*>(&optval),
                sizeof(optval));
   }
 
   SocketAddress::SetAddrPort(&addr, port);
   status = bind(s,
@@ skipping 51 matching lines @@
   SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd);
   int on = enabled ? 1 : 0;
   return setsockopt(fd,
                     IPPROTO_TCP,
                     TCP_NODELAY,
                     reinterpret_cast<char *>(&on),
                     sizeof(on)) == 0;
 }
 
 #endif  // defined(TARGET_OS_WINDOWS)