Plain C version with attribute((__cleanup)): int* foo(int bar) { int* return_value = NULL; __cleanup__((cleanup_1)) int c1 = 0; if

Plain C version with attribute((__cleanup)): int* foo(int bar) { int* return_value = NULL; __cleanup__((cleanup_1)) int c1 = 0; if (!do_something(bar)) return NULL; __cleanup__((cleanup_2)) int c2 = 0; if (!init_stuff(bar)) return NULL; __cleanup__((cleanup_3)) int c3 = 0; if (!prepare_stuff(bar)) return NULL; return_value = do_the_thing(bar); return return_value; }