Function debug_sync_find

sql/debug_sync.cc:628–667

*/

static st_debug_sync_action *debug_sync_find(st_debug_sync_action *actionarr,
                                             int quantity,
                                             const char *dsp_name,
                                             size_t name_len)
{
  st_debug_sync_action  *action;
  int                   low ;
  int                   high ;
  int                   mid ;
  ssize_t               diff ;
  DBUG_ASSERT(actionarr);
  DBUG_ASSERT(dsp_name);
  DBUG_ASSERT(name_len);

  low= 0;
  high= quantity;

  while (low < high)
  {
    mid= (low + high) / 2;
    action= actionarr + mid;
    if (!(diff= name_len - action->sync_point.length()) &&
        !(diff= memcmp(dsp_name, action->sync_point.ptr(), name_len)))
      return action;
    if (diff > 0)
      low= mid + 1;
    else
      high= mid - 1;
  }

  if (low < quantity)
  {
    action= actionarr + low;
    if ((name_len == action->sync_point.length()) &&
        !memcmp(dsp_name, action->sync_point.ptr(), name_len))
      return action;
  }

  return NULL;
}


/**