diff options
Diffstat (limited to 'src/lib/utils/calendar.cpp')
| -rw-r--r-- | src/lib/utils/calendar.cpp | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/src/lib/utils/calendar.cpp b/src/lib/utils/calendar.cpp index 3ce5170fc..b578f6be9 100644 --- a/src/lib/utils/calendar.cpp +++ b/src/lib/utils/calendar.cpp @@ -33,9 +33,30 @@ std::tm do_gmtime(std::time_t time_val) } -/* -* Convert a time_point to a calendar_point -*/ +std::chrono::system_clock::time_point calendar_point::to_std_timepoint() + { + if (year < 1900) + throw Invalid_Argument("calendar_point::to_std_timepoint() does not support years before 1990."); + + std::tm tm; + tm.tm_sec = seconds; + tm.tm_min = minutes; + tm.tm_hour = hour; + tm.tm_mday = day; + tm.tm_mon = month - 1; + tm.tm_year = year - 1900; + + // Convert std::tm to std::time_t + // http://stackoverflow.com/questions/16647819/timegm-cross-platform + #if defined(BOTAN_TARGET_OS_IS_WINDOWS) + #define timegm _mkgmtime + #endif + std::time_t tt = timegm(&tm); + + return std::chrono::system_clock::from_time_t(tt); + } + + calendar_point calendar_value( const std::chrono::system_clock::time_point& time_point) { |