debian/patches/xi2-resize-touch.patch

   1 --- a/dix/touch.c
   2 +++ b/dix/touch.c
   3 @@ -460,12 +460,26 @@ TouchEventHistoryPush(TouchPointInfoPtr
   4      if (ev->flags & (TOUCH_CLIENT_ID | TOUCH_REPLAYING))
   5          return;
   6
   7 +    if (ti->history_elements == ti->history_size - 1) {
   8 +        DeviceEvent *hist = NULL;
   9 +        size_t sz = ti->history_size * 2;
  10 +
  11 +        if (sz < 10000) {
  12 +            hist = realloc(ti->history, sz * sizeof(*hist));
  13 +
  14 +            if (hist) {
  15 +                ti->history = hist;
  16 +                ti->history_size = sz;
  17 +                memset(&hist[sz/2], 0, sizeof(*hist)*sz/2);
  18 +            }
  19 +        }
  20 +    }
  21 +
  22      ti->history[ti->history_elements++] = *ev;
  23 -    /* FIXME: proper overflow fixes */
  24      if (ti->history_elements > ti->history_size - 1) {
  25          ti->history_elements = ti->history_size - 1;
  26 -        DebugF("source device %d: history size %d overflowing for touch %u\n",
  27 -               ti->sourceid, ti->history_size, ti->client_id);
  28 +        ErrorF("source device %d: history size %d overflowing for touch %u\n",
  29 +              ti->sourceid, ti->history_size, ti->client_id);
  30      }
  31  }
  32