Add a CMake target for clang-tidy

degesch.c

@@ -1868,7 +1868,7 @@ serialize_configuration (struct app_context *ctx, struct str *output)
 
 /// Builds a color pair for 256-color terminals with a 16-color backup value
 #define COLOR_256(name, c256) \
-	(((COLOR_ ## name) & 0xFFFF) | ((c256 & 0xFFFF) << 16))
+	(((COLOR_ ## name) & 0xFFFF) | (((c256) & 0xFFFF) << 16))
 
 static struct
 {
@@ -4288,6 +4288,7 @@ transport_tls_init (struct server *s, struct error **e)
 		// XXX: is this a reason to abort the connection?
 		log_server_error (s, s->buffer, "#s", error->message);
 		error_free (error);
+		error = NULL;
 	}
 
 	SSL_set_connect_state (ssl);