Fix unused parameter and variable warnings.

src/mechanism.cpp

@@ -133,8 +133,8 @@ int zmq::mechanism_t::parse_metadata (const unsigned char *ptr_,
     return 0;
 }
 
-int zmq::mechanism_t::property (const std::string name_,
-                                const void *value_, size_t length_)
+int zmq::mechanism_t::property (const std::string /* name_ */,
+                                const void * /* value_ */, size_t /* length_ */)
 {
     //  Default implementation does not check
     //  property values and returns 0 to signal success.

src/mechanism.hpp

@@ -46,9 +46,9 @@ namespace zmq
         //  Process the handshake command received from the peer.
         virtual int process_handshake_command (msg_t *msg_) = 0;
 
-        virtual int encode (msg_t *msg_) { return 0; }
+        virtual int encode (msg_t *) { return 0; }
 
-        virtual int decode (msg_t *msg_) { return 0; }
+        virtual int decode (msg_t *) { return 0; }
 
         //  Notifies mechanism about availability of ZAP message.
         virtual int zap_msg_available () { return 0; }

src/stream.cpp

@@ -166,9 +166,6 @@ int zmq::stream_t::xsend (msg_t *msg_)
 int zmq::stream_t::xsetsockopt (int option_, const void *optval_,
     size_t optvallen_)
 {
-    bool is_int = (optvallen_ == sizeof (int));
-    int value = is_int? *((int *) optval_): 0;
-
     switch (option_) {
         case ZMQ_NEXT_IDENTITY:
             if(optval_ && optvallen_) {

src/stream_engine.cpp

@@ -182,7 +182,7 @@ void zmq::stream_engine_t::plug (io_thread_t *io_thread_,
         // application so that it knows a peer has connected.
         msg_t connector;
         connector.init();
-        int rc = (this->*write_msg) (&connector);
+        (this->*write_msg) (&connector);
         connector.close();
         session->flush ();
     }

src/ypipe_conflate.hpp

@@ -70,7 +70,7 @@ namespace zmq
 #endif
 
         // There are no incomplete items for conflate ypipe
-        inline bool unwrite (T *value_)
+        inline bool unwrite (T *)
         {
             return false;
         }

src/zmq_utils.cpp

@@ -194,6 +194,7 @@ int zmq_curve_keypair (char *z85_public_key, char *z85_secret_key)
 
     return 0;
 #else // requires libsodium
+    (void) z85_public_key, (void) z85_secret_key;
     errno = ENOTSUP;
     return -1;
 #endif

tests/test_conflate.cpp

@@ -19,7 +19,7 @@
 
 #include "testutil.hpp"
 
-int main (int argc, char *argv [])
+int main (int, char *[])
 {
     const char *bind_to = "tcp://127.0.0.1:5555";
 

tests/test_disconnect_inproc.cpp

@@ -28,7 +28,7 @@ memcpy(zmq_msg_data(&msg), data, size + 1);
 int publicationsReceived = 0;
 bool isSubscribed = false;
 
-int main(int argc, char** argv) {
+int main(int, char**) {
     setup_test_environment();
     void* context = zmq_ctx_new();
     void* pubSocket;

tests/test_hwm.cpp

@@ -202,7 +202,7 @@ int test_inproc_connect_and_close_first (int send_hwm, int recv_hwm)
     return send_count;
 }
 
-int test_inproc_bind_and_close_first (int send_hwm, int recv_hwm)
+int test_inproc_bind_and_close_first (int send_hwm, int /* recv_hwm */)
 {
     void *ctx = zmq_ctx_new ();
     assert (ctx);

tests/test_stream.cpp

@@ -36,7 +36,7 @@ typedef struct {
 //  8-byte size is set to 1 for backwards compatibility
 
 static zmtp_greeting_t greeting
-    = { { 0xFF, 0, 0, 0, 0, 0, 0, 0, 1, 0x7F }, { 3, 0 }, { 'N', 'U', 'L', 'L'} };
+= { { 0xFF, 0, 0, 0, 0, 0, 0, 0, 1, 0x7F }, { 3, 0 }, { 'N', 'U', 'L', 'L'}, 0, { 0 } };
 
 static void
 test_stream_to_dealer (void)

tests/test_stream_disconnect_notifications.cpp

@@ -52,7 +52,7 @@ bool get_identity (void* socket, char* data, size_t* size)
     return rc == 0;
 }
 
-int main(int argc, char** argv)
+int main(int, char**)
 {
     setup_test_environment();