1 files changed, 51 insertions, 0 deletions
diff --git a/lib/erl_interface/src/encode/encode_atom.c b/lib/erl_interface/src/encode/encode_atom.c
new file mode 100644
index 0000000000..69f2d1451c
--- /dev/null
+++ b/lib/erl_interface/src/encode/encode_atom.c
@@ -0,0 +1,51 @@
+/*
+ * %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 <string.h>
+#include "eidef.h"
+#include "eiext.h"
+#include "putget.h"
+
+int ei_encode_atom(char *buf, int *index, const char *p)
+{
+    return ei_encode_atom_len(buf, index, p, strlen(p));
+}
+
+int ei_encode_atom_len(char *buf, int *index, const char *p, int len)
+{
+  char *s = buf + *index;
+  char *s0 = s;
+
+  /* This function is documented to truncate at MAXATOMLEN (256) */ 
+  if (len > MAXATOMLEN)
+    len = MAXATOMLEN;
+
+  if (!buf) s += 3;
+  else {
+    put8(s,ERL_ATOM_EXT);
+    put16be(s,len);
+
+    memmove(s,p,len); /* unterminated string */
+  }
+  s += len;
+
+  *index += s-s0; 
+
+  return 0; 
+}
+