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Simplify file_time_type to time_t conversion

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This commit is contained in:
Andrei Kortunov 2023-06-18 23:04:04 +04:00
parent 6adcd122a8
commit 2ea7eb4ba8
1 changed files with 5 additions and 8 deletions
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13
components/misc/timeconvert.hpp
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@ -15,14 +15,11 @@ namespace Misc
{
inline std::time_t toTimeT(std::filesystem::file_time_type tp)
{
using namespace std::chrono;
#if __cpp_lib_chrono >= 201907
const auto systemTime = clock_cast<system_clock>(tp);
#else
auto systemTime = time_point_cast<system_clock::duration>(
tp - std::filesystem::file_time_type::clock::now() + system_clock::now());
#endif
return system_clock::to_time_t(systemTime);
// Note: this conversion has a precision loss, so it should not be used in exact comparisons
// or another cases when milliseconds matter.
auto systemTime = time_point_cast<std::chrono::system_clock::duration>(
tp - std::filesystem::file_time_type::clock::now() + std::chrono::system_clock::now());
return std::chrono::system_clock::to_time_t(systemTime);
}
inline std::string timeTToString(const std::time_t tp, const char* fmt)