message: Don't accept null pointer when requesting aligned memory
diff: @@ -31,7 +31,7 @@ void test_valid_aligned(void *ptr, size_t alignment, int error_val) {
  * address. */
  uintptr_t ptr_alignment_rem = (uintptr_t)ptr % (uintptr_t)alignment;
  - if (ptr_alignment_rem == 0) {
  + if (ptr != NULL && ptr_alignment_rem == 0) {
  // Constant output for successful case
  printf("pointer: (alignment OK), ");
  }
  