Re: [PATCH 0/3] MR3737: winegstreamer: Implement wg_muxer.

[Rémi Bernon (＠rbernon)]

Rémi Bernon (@rbernon) commented about dlls/winegstreamer/unixlib.c:
>          !gst_element_sync_state_with_parent(element) ||
> -
>        (*last && !gst_element_link(*last, element)))
> -
>        (last && *last && !gst_element_link(*last, element)))
> {
>        GST_ERROR("Failed to link %s element.", name);
>    }
>    else
>    {
>        GST_DEBUG("Linked %s element %p.", name, element);
> -
>    if (!*first)
> -
>    if (first && !*first)
>        *first = element;
> -
>    if (last)
>        *last = element;
>    success = true;
> }

I'd prefer not allowing NULL, this will avoid mistakes breaking the list, in case of mismatched NULL / non-NULL calls.