git.ozlabs.org Git - ccan/blob - ccan/tal/test/run-free.c

   1 #include <ccan/tal/tal.h>
   2 #include <ccan/tal/tal.c>
   3 #include <ccan/tap/tap.h>
   4
   5 static void destroy_errno(char *p UNNEEDED)
   6 {
   7         /* Errno restored for all the destructors. */
   8         ok1(errno == EINVAL);
   9         errno = ENOENT;
  10 }
  11
  12 int main(void)
  13 {
  14         char *p;
  15
  16         plan_tests(5);
  17
  18         p = tal(NULL, char);
  19         ok1(tal_add_destructor(p, destroy_errno));
  20         ok1(tal_add_destructor(p, destroy_errno));
  21
  22         /* Errno save/restored across free. */
  23         errno = EINVAL;
  24         tal_free(p);
  25         ok1(errno == EINVAL);
  26
  27         tal_cleanup();
  28         return exit_status();
  29 }