Better handling of memory error in resolve_ip_hostname

Signed-off-by: Paul Colomiets <pc@gafol.net>

src/ip.cpp

@@ -301,7 +301,16 @@ int zmq::resolve_ip_hostname (sockaddr_storage *addr_, socklen_t *addr_len_,
     addrinfo *res;
     int rc = getaddrinfo (hostname.c_str (), service.c_str (), &req, &res);
     if (rc) {
+
+        switch (rc) {
+        case EAI_MEMORY:
+            errno = ENOMEM;
+            break;
+        default:
         errno = EINVAL;
+            break;
+        }
+
         return -1;
     }
 

src/zmq_connecter.cpp

@@ -45,7 +45,7 @@ zmq::zmq_connecter_t::zmq_connecter_t (class io_thread_t *io_thread_,
     current_reconnect_ivl(options.reconnect_ivl)
 {
     int rc = tcp_connecter.set_address (protocol_, address_);
-    zmq_assert (rc == 0);
+    zmq_assert (rc == 0); //TODO: take care ENOMEM, EINVAL
 }
 
 zmq::zmq_connecter_t::~zmq_connecter_t ()