Add copyright notice

[z180-stamp.git] / include / ring.h

diff --git a/include/ring.h b/include/ring.h
index d57f9aac99366cfec03eea9e12815c93495510cd..b64f462b9b0522e5d36f71cfcdfce26546671438 100644 (file)
--- a/include/ring.h
+++ b/include/ring.h
@@ -1,3 +1,9 @@
+/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
 #ifndef RING_H
 #define RING_H
 
@@ -71,4 +77,3 @@ int_fast8_t ring_is_empty(struct ring *ring)
 }
 
 #endif /* RING_H */
-