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Jungfraujoch/common/time_utc.h
2024-11-22 21:25:20 +01:00

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// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#ifndef JUNGFRAUJOCH_TIME_UTC_H
#define JUNGFRAUJOCH_TIME_UTC_H
#include <string>
#include <chrono>
inline std::string time_UTC(const std::chrono::time_point<std::chrono::system_clock> &input) {
auto time_ms = std::chrono::duration_cast<std::chrono::milliseconds>(input.time_since_epoch()).count();
char buf1[255], buf2[255];
time_t time = time_ms / (1000);
strftime(buf1, sizeof(buf1), "%FT%T", gmtime(&time));
snprintf(buf2, sizeof(buf2), ".%06ld", time_ms%1000);
return std::string(buf1) + std::string(buf2) + "Z";
}
#endif //JUNGFRAUJOCH_TIME_UTC_H