static struct jaylink_device *find_device(const struct jaylink_context *ctx,
const struct libusb_device *usb_dev)
{
struct list *item;
item = list_find_custom(ctx->devs, &compare_devices, usb_dev);
if (item)
return item->data;
return NULL;
}
/**
* Gets the list element in the l_event_handlers list of the owning event which holds the
* EventHandlerInfo of a specified event handler.
*
* @param id id of the event handler
*
* @returns the list element or NULL if it couldn't be found.
*/
static List * _event_get_handler_link(int id)
{
List *event_link;
List *handler_link;
EventInfo *event;
// Iterate through all events
event_link = list_first(l_events);
while (event_link) {
event = (EventInfo *)event_link->data;
// Try to find the event handler in the list of this event
handler_link = list_find_custom(event->l_event_handlers, &id, _event_find_handler);
if (handler_link)
return handler_link;
event_link = list_next(event_link);
}
// We couldn't find it.
return NULL;
}
/**
* Gets the list element in the l_events list which holds the EventInfo of a specified event.
*
* @param name name of the event
*
* @returns the list element or NULL if it couldn't be found.
*/
static List * _event_get_event_link(char *name)
{
return list_find_custom(l_events, name, _event_find_event);
}
