blob: 62af265ed46f65d14e42a7606a7742c8effebaeb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
/* -*- 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 "IPCMessageUtils.h"
#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
|
