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