V1001 The 'ptr' variable is assigned but is not used until the end of the function.

src/mechanism.cpp

@@ -166,7 +166,7 @@ void zmq::mechanism_t::make_command_with_basic_properties (
     memcpy (ptr, prefix, prefix_len);
     ptr += prefix_len;
 
-    ptr += add_basic_properties (
+    add_basic_properties (
       ptr, command_size - (ptr - (unsigned char *) msg_->data ()));
 }
 

src/plain_client.cpp

@@ -137,7 +137,6 @@ int zmq::plain_client_t::produce_hello (msg_t *msg_) const
 
     *ptr++ = static_cast <unsigned char> (password.length ());
     memcpy (ptr, password.c_str (), password.length ());
-    ptr += password.length ();
 
     return 0;
 }