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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ipc/IPCMessageUtils.h"
#include <cstddef>
#include "mozilla/CheckedInt.h"
namespace IPC {
bool ByteLengthIsValid(uint32_t aNumElements, size_t aElementSize,
int* aByteLength) {
auto length = mozilla::CheckedInt<int>(aNumElements) * aElementSize;
if (!length.isValid()) {
return false;
}
*aByteLength = length.value();
return true;
}
} // namespace IPC