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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1998-2016. All Rights Reserved.
*
* 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%
*/
#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;
}
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