Merge pull request #2732 from bluca/compiler_warnings

Problems: compiler warnings

src/session_base.cpp

@@ -433,11 +433,13 @@ void zmq::session_base_t::engine_error (
 
     switch (reason) {
         case stream_engine_t::timeout_error:
+            /* FALLTHROUGH */
         case stream_engine_t::connection_error:
             if (active) {
                 reconnect ();
                 break;
             }
+            /* FALLTHROUGH */
         case stream_engine_t::protocol_error:
             if (pending) {
                 if (pipe)

src/socket_base.cpp

@@ -224,6 +224,9 @@ zmq::socket_base_t::socket_base_t (ctx_t *parent_, uint32_t tid_, int sid_, bool
 int zmq::socket_base_t::get_peer_state (const void *identity,
                                         size_t identity_size) const
 {
+    LIBZMQ_UNUSED (identity);
+    LIBZMQ_UNUSED (identity_size);
+
     //  Only ROUTER sockets support this
     errno = ENOTSUP;
     return -1;

tests/test_poller.cpp

@@ -225,7 +225,7 @@ void test_add_modify_remove_corner_cases(void *ctx)
     assert (rc == 0);
 }
 
-void test_wait_corner_cases (void *ctx)
+void test_wait_corner_cases (void)
 {
     void *poller = zmq_poller_new ();
     assert (poller != NULL);
@@ -393,7 +393,7 @@ int main (void)
     test_null_event_pointers (ctx);
 
     test_add_modify_remove_corner_cases (ctx);
-    test_wait_corner_cases (ctx);
+    test_wait_corner_cases ();
 
     rc = zmq_poller_destroy (&poller);
     assert (rc == 0);