1 files changed, 33 insertions, 11 deletions
diff --git a/lib/erl_interface/src/decode/decode_tuple_header.c b/lib/erl_interface/src/decode/decode_tuple_header.c
index c0ba14ea47..4507edbc8e 100644
--- a/lib/erl_interface/src/decode/decode_tuple_header.c
+++ b/lib/erl_interface/src/decode/decode_tuple_header.c
@@ -1,18 +1,19 @@
 /*
  * %CopyrightBegin%
  * 
- * Copyright Ericsson AB 1998-2009. All Rights Reserved.
+ * Copyright Ericsson AB 1998-2016. All Rights Reserved.
  * 
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
- * 
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ * Licensed 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.
  * 
  * %CopyrightEnd%
  */
@@ -45,3 +46,24 @@ int ei_decode_tuple_header(const char *buf, int *index, int *arity)
 
   return 0;
 }
+
+int ei_decode_map_header(const char *buf, int *index, int *arity)
+{
+  const char *s = buf + *index;
+  const char *s0 = s;
+  int i;
+
+  switch ((i=get8(s))) {
+  case ERL_MAP_EXT:
+    if (arity) *arity = get32be(s);
+    else s += 4;
+    break;
+
+  default:
+    return -1;
+  }
+
+  *index += s-s0;
+
+  return 0;
+}