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/*
* Copyright 2017 Google Inc.
*
* 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.
*
*
* An earlier version of this file was originally released into the public
* domain by its authors. It has been modified to make the code compile and
* link as part of the Google Authenticator project. These changes are
* copyrighted by Google Inc. and released under the Apache License,
* Version 2.0.
*
* The previous authors' terms are included below:
*/
/*****************************************************************************
*
* File: util.c
*
* Purpose: Collection of cross file utility functions.
*
* This code is in the public domain
*
*****************************************************************************
*/
#ifndef HAVE_EXPLICIT_BZERO
#include <string.h>
void explicit_bzero(void *s, size_t len) {
memset(s, '\0', len);
asm volatile("" ::: "memory");
}
#endif
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