common: add bad format status code

common/include/ivy/status.h

@@ -17,6 +17,7 @@ enum ivy_status {
 	IVY_ERR_INVALID_VALUE = -8,
 	IVY_ERR_NO_ENTRY = -9,
 	IVY_ERR_NAME_EXISTS = -10,
+	IVY_ERR_BAD_FORMAT = -11,
 };
 
 IVY_API const char *ivy_status_to_string(enum ivy_status status);