The R13B03 release.OTP_R13B03

1 files changed, 38 insertions, 0 deletions

diff --git a/lib/erl_interface/src/decode/decode_version.c b/lib/erl_interface/src/decode/decode_version.c
new file mode 100644
index 0000000000..124d7272f4
--- /dev/null
+++ b/lib/erl_interface/src/decode/decode_version.c
@@ -0,0 +1,38 @@
+/*
+ * %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"
+
+/* remove version identifier from the start of the buffer */
+int ei_decode_version(const char *buf, int *index, int *version)
+{
+  const char *s = buf + *index;
+  const char *s0 = s;
+  int v;
+  
+  v = get8(s);
+  if (version) *version = v;
+  if (v != ERL_VERSION_MAGIC)
+    return -1;
+  
+  *index += s-s0;
+  
+  return 0;
+}