/* * Copyright 2017 The WebRTC Project Authors. All rights reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef RTC_BASE_ZERO_MEMORY_H_ #define RTC_BASE_ZERO_MEMORY_H_ #include <stddef.h> #include <type_traits> #include "api/array_view.h" namespace rtc { // Fill memory with zeros in a way that the compiler doesn't optimize it away // even if the pointer is not used afterwards. void ExplicitZeroMemory(void* ptr, size_t len); template <typename T, typename std::enable_if<!std::is_const<T>::value && std::is_trivial<T>::value>::type* = nullptr> void ExplicitZeroMemory(rtc::ArrayView<T> a) { ExplicitZeroMemory(a.data(), a.size()); } } // namespace rtc #endif // RTC_BASE_ZERO_MEMORY_H_