+static void test_container_of(void) {
+ struct mytype {
+ uint8_t pad1[3];
+ uint64_t v1;
+ uint8_t pad2[2];
+ uint32_t v2;
+ } _packed_ myval = { };
+
+ assert_cc(sizeof(myval) == 17);
+ assert_se(container_of(&myval.v1, struct mytype, v1) == &myval);
+ assert_se(container_of(&myval.v2, struct mytype, v2) == &myval);
+ assert_se(container_of(&container_of(&myval.v2,
+ struct mytype,
+ v2)->v1,
+ struct mytype,
+ v1) == &myval);
+}
+