diff --git a/test/cpp/realloc/Makefile b/test/cpp/realloc/Makefile
index 57ffb87..f89bbb3 100644
--- a/test/cpp/realloc/Makefile
+++ b/test/cpp/realloc/Makefile
@@ -1,3 +1,22 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
 # This probably should not go into "make check", because it is an experiment,
 # not a test.  Specifically, it is meant to determine how likely realloc is
 # to avoid a copy.  This is poorly documented.
diff --git a/test/cpp/realloc/realloc_test.c b/test/cpp/realloc/realloc_test.c
index 7a382b1..f9763ad 100644
--- a/test/cpp/realloc/realloc_test.c
+++ b/test/cpp/realloc/realloc_test.c
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
 #define _GNU_SOURCE
 #include <stdlib.h>
 #include <stdio.h>