Function remove_ptr_from_dynarray

sql/sql_acl.cc:4087–4100

This helper function is used to removes roles and grantees from the corresponding cross-reference arrays. see remove_role_user_mapping(). as such, it asserts that an element to delete is present in the array, and is present only once. */

  and is present only once.
*/
static void remove_ptr_from_dynarray(DYNAMIC_ARRAY *array, void *ptr)
{
  bool found __attribute__((unused))= false;
  for (size_t i= 0; i < array->elements; i++)
  {
    if (ptr == *dynamic_element(array, i, void**))
    {
      DBUG_ASSERT(!found);
      delete_dynamic_element(array, i);
      IF_DBUG_ASSERT(found= true, break);
    }
  }
  DBUG_ASSERT(found);
}

static void remove_role_user_mapping(ACL_USER_BASE *grantee, ACL_ROLE *role,
                                     int grantee_idx=-1, int role_idx=-1)