e->right.expr = expr_copy(org->right.expr);
break;
default:
- printf("can't copy type %d\n", e->type);
+ fprintf(stderr, "can't copy type %d\n", e->type);
free(e);
e = NULL;
break;
expr_free(e->right.expr);
break;
default:
- printf("how to free type %d?\n", e->type);
+ fprintf(stderr, "how to free type %d?\n", e->type);
break;
}
free(e);