#include #include #include #include static void destroy_errno(char *p) { errno = ENOENT; } int main(void) { char *p; plan_tests(2); p = tal(NULL, char); ok1(tal_add_destructor(p, destroy_errno)); /* Errno save/restored across free. */ errno = EINVAL; tal_free(p); ok1(errno == EINVAL); return exit_status(); }