add validity functions

Change-Id: I56f4f6aebe673363c8b07c55f68ebbb1362b04fc
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/afb/afb-event-itf.h b/include/afb/afb-event-itf.h
index e31f22c1..5f7b8370 100644
--- a/include/afb/afb-event-itf.h
+++ b/include/afb/afb-event-itf.h
@@ -43,6 +43,16 @@ struct afb_event {
 };
 
 /*
+ * Checks wether the 'event' is valid or not.
+ *
+ * Returns 0 if not valid or 1 if valid.
+ */
+static inline int afb_event_is_valid(struct afb_event event)
+{
+	return event.itf != NULL;
+}
+
+/*
  * Broadcasts widely the 'event' with the data 'object'.
  * 'object' can be NULL.
  *