33 lines
1,015 B
C++
33 lines
1,015 B
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 https://mozilla.org/MPL/2.0/. */
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#include "nsCOMPtr.h"
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#include "nsIRandomGenerator.h"
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#include "nsServiceManagerUtils.h"
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#include "RelativeTimeline.h"
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namespace mozilla {
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int64_t RelativeTimeline::GetRandomTimelineSeed() {
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if (mRandomTimelineSeed == 0) {
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nsresult rv;
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nsCOMPtr<nsIRandomGenerator> randomGenerator =
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do_GetService("@mozilla.org/security/random-generator;1", &rv);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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mRandomTimelineSeed = rand();
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return mRandomTimelineSeed;
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}
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rv = randomGenerator->GenerateRandomBytesInto(mRandomTimelineSeed);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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mRandomTimelineSeed = rand();
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return mRandomTimelineSeed;
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}
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}
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return mRandomTimelineSeed;
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}
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} // namespace mozilla
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