зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.4 KiB
C++
79 строки
2.4 KiB
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 code is made available to you under your choice of the following sets
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* of licensing terms:
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*/
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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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*/
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/* Copyright 2014 Mozilla Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "pkix/Time.h"
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#include "pkixutil.h"
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#ifdef WIN32
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#ifdef _MSC_VER
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#pragma warning(push, 3)
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#endif
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#include "windows.h"
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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#else
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#include "sys/time.h"
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#endif
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namespace mozilla { namespace pkix {
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Time
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Now()
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{
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uint64_t seconds;
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#ifdef WIN32
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// "Contains a 64-bit value representing the number of 100-nanosecond
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// intervals since January 1, 1601 (UTC)."
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// - http://msdn.microsoft.com/en-us/library/windows/desktop/ms724284(v=vs.85).aspx
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FILETIME ft;
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GetSystemTimeAsFileTime(&ft);
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uint64_t ft64 = (static_cast<uint64_t>(ft.dwHighDateTime) << 32) |
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ft.dwLowDateTime;
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seconds = (DaysBeforeYear(1601) * Time::ONE_DAY_IN_SECONDS) +
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ft64 / (1000u * 1000u * 1000u / 100u);
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#else
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// "The gettimeofday() function shall obtain the current time, expressed as
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// seconds and microseconds since the Epoch."
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// - http://pubs.opengroup.org/onlinepubs/009695399/functions/gettimeofday.html
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timeval tv;
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(void) gettimeofday(&tv, nullptr);
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seconds = (DaysBeforeYear(1970) * Time::ONE_DAY_IN_SECONDS) +
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static_cast<uint64_t>(tv.tv_sec);
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#endif
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return TimeFromElapsedSecondsAD(seconds);
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}
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Time
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TimeFromEpochInSeconds(uint64_t secondsSinceEpoch)
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{
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uint64_t seconds = (DaysBeforeYear(1970) * Time::ONE_DAY_IN_SECONDS) +
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secondsSinceEpoch;
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return TimeFromElapsedSecondsAD(seconds);
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}
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} } // namespace mozilla::pkix
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