1 files changed, 7 insertions, 6 deletions
diff --git a/src/node.h b/src/node.h
index 124b6a0d..5e5b3881 100644
--- a/src/node.h
+++ b/src/node.h
@@ -27,22 +27,23 @@ struct SerdNodeImpl {
   SerdNodeType  type;   ///< Node type
 };
 
-static inline char*
-serd_node_buffer(SerdNode* node)
+static inline char* SERD_NONNULL
+serd_node_buffer(SerdNode* SERD_NONNULL node)
 {
   return (char*)(node + 1);
 }
 
-static inline const char*
-serd_node_buffer_c(const SerdNode* node)
+static inline const char* SERD_NONNULL
+serd_node_buffer_c(const SerdNode* SERD_NONNULL node)
 {
   return (const char*)(node + 1);
 }
 
-SerdNode*
+SerdNode* SERD_ALLOCATED
 serd_node_malloc(size_t length, SerdNodeFlags flags, SerdNodeType type);
 
 void
-serd_node_set(SerdNode** dst, const SerdNode* src);
+serd_node_set(SerdNode* SERD_NULLABLE* SERD_NONNULL dst,
+              const SerdNode* SERD_NULLABLE         src);
 
 #endif // SERD_NODE_H