mirror of
https://github.com/ZoneMinder/zoneminder.git
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53 lines
2.2 KiB
C++
53 lines
2.2 KiB
C++
//
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// ZoneMinder Time Functions & Definitions, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#include "zm_time.h"
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#include <cinttypes>
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std::string SystemTimePointToString(SystemTimePoint tp) {
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time_t tp_sec = std::chrono::system_clock::to_time_t(tp);
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Microseconds now_frac = std::chrono::duration_cast<Microseconds>(
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tp.time_since_epoch() - std::chrono::duration_cast<Seconds>(tp.time_since_epoch()));
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std::string timeString;
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timeString.reserve(64);
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char *timePtr = &*(timeString.begin());
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tm tp_tm = {};
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timePtr += strftime(timePtr, timeString.capacity(), "%x %H:%M:%S", localtime_r(&tp_sec, &tp_tm));
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snprintf(timePtr, timeString.capacity() - (timePtr - timeString.data()), ".%06" PRIi64, static_cast<int64_t>(now_frac.count()));
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return timeString;
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}
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std::string TimePointToString(TimePoint tp) {
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time_t tp_sec = std::chrono::system_clock::to_time_t(
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std::chrono::system_clock::now() + (tp - std::chrono::steady_clock::now()));
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Microseconds now_frac = std::chrono::duration_cast<Microseconds>(
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tp.time_since_epoch() - std::chrono::duration_cast<Seconds>(tp.time_since_epoch()));
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std::string timeString;
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timeString.reserve(64);
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char *timePtr = &*(timeString.begin());
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tm tp_tm = {};
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timePtr += strftime(timePtr, timeString.capacity(), "%x %H:%M:%S", localtime_r(&tp_sec, &tp_tm));
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snprintf(timePtr, timeString.capacity() - (timePtr - timeString.data()), ".%06" PRIi64, static_cast<int64_t>(now_frac.count()));
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return timeString;
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}
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