- printf("smart_ptr: Size of a smart_ptr: %d\n",sizeof(obj_smart_ptr));
- printf("smart_ptr: Size of a reference_counter: %d\n",sizeof(etl::reference_counter));
+ printf("smart_ptr: Size of a smart_ptr: %u\n",(unsigned int)sizeof(obj_smart_ptr));
+ printf("smart_ptr: Size of a reference_counter: %u\n",(unsigned int)sizeof(etl::reference_counter));