💿🐜 Antkeeper source code https://antkeeper.com
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5 years ago
5 years ago
  1. /*
  2. * Copyright (C) 2021 Christopher J. Howard
  3. *
  4. * This file is part of Antkeeper source code.
  5. *
  6. * Antkeeper source code is free software: you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation, either version 3 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * Antkeeper source code is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
  18. */
  19. #include "timestamp.hpp"
  20. #include <chrono>
  21. #include <time.h>
  22. #include <iomanip>
  23. #include <sstream>
  24. std::string timestamp()
  25. {
  26. const char* time_format = "%y%m%d-%H%M%S-";
  27. auto now = std::chrono::system_clock::now();
  28. std::time_t tt = std::chrono::system_clock::to_time_t(now);
  29. std::size_t ms = (std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()) % 1000).count();
  30. #if defined(_WIN32)
  31. struct std::tm timeinfo;
  32. localtime_s(&timeinfo, &tt);
  33. std::stringstream stream;
  34. stream << std::put_time(&timeinfo, time_format);
  35. stream << std::setfill('0') << std::setw(3) << ms;
  36. #else
  37. struct std::tm* timeinfo = localtime(&tt);
  38. std::stringstream stream;
  39. stream << std::put_time(timeinfo, time_format);
  40. stream << std::setfill('0') << std::setw(3) << ms;
  41. #endif
  42. return stream.str();
  43. }