From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

---
 lib/erl_interface/src/encode/encode_list_header.c | 45 +++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 lib/erl_interface/src/encode/encode_list_header.c

(limited to 'lib/erl_interface/src/encode/encode_list_header.c')

diff --git a/lib/erl_interface/src/encode/encode_list_header.c b/lib/erl_interface/src/encode/encode_list_header.c
new file mode 100644
index 0000000000..27da70ae15
--- /dev/null
+++ b/lib/erl_interface/src/encode/encode_list_header.c
@@ -0,0 +1,45 @@
+/*
+ * %CopyrightBegin%
+ * 
+ * Copyright Ericsson AB 1998-2009. 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.
+ * 
+ * %CopyrightEnd%
+ */
+#include "eidef.h"
+#include "eiext.h"
+#include "putget.h"
+
+int ei_encode_list_header(char *buf, int *index, int arity)
+{
+  char *s = buf + *index;
+  char *s0 = s;
+
+  if (arity < 0) return -1;
+  else if (arity > 0) {
+    if (!buf) s += 5;
+    else {
+      put8(s,ERL_LIST_EXT);
+      put32be(s,arity);
+    }
+  }
+  else {
+    /* empty list */
+    if (!buf) s++;
+    else put8(s,ERL_NIL_EXT);
+  }
+
+  *index += s-s0; 
+
+  return 0;
+}
-- 
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