Make message poll wait indefinitely

src/robomaster.c

@@ -28,11 +28,11 @@ void client_connect(Client client) {
 void poll_message(Client client, union Message* resp) {
 
     // Poll for messages
-    static struct timeval timeout = {-1, 0};
+    static struct timeval timeout = {0, 0};
     fd_set read_fds;
     FD_ZERO(&read_fds);
     FD_SET(client->connection->sockfd, &read_fds);
-    int result = select(client->connection->sockfd + 1, &read_fds, NULL, NULL, &timeout);
+    int result = select(client->connection->sockfd + 1, &read_fds, NULL, NULL, NULL);
 
     // Check for socket polling errors
     if(result < 0) {
@@ -57,7 +57,7 @@ void poll_message(Client client, union Message* resp) {
     }
 
     // Check for message errors
-    if(message_validate(resp)) {
+    if(message_validate(resp) != MESSAGEERR_NONE) {
         perror("invalid message");
 	exit(EXIT_FAILURE);
     }