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August 24, 2023 08:19
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compare before 1970/01/01 epoch std::tm
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| static bool comp_dates_before_1970_epoch(const std::tm& dt1, const std::tm& dt2) | |
| { | |
| if (dt1.tm_year != dt2.tm_year) return dt1.tm_year < dt2.tm_year; | |
| if (dt1.tm_mon != dt2.tm_mon) return dt1.tm_mon < dt2.tm_mon; | |
| if (dt1.tm_mday != dt2.tm_mday) return dt1.tm_mday < dt2.tm_mday; | |
| if (dt1.tm_hour != dt2.tm_hour) return dt1.tm_hour < dt2.tm_hour; | |
| if (dt1.tm_min != dt2.tm_min) return dt1.tm_min < dt2.tm_min; | |
| return dt1.tm_sec < dt2.tm_sec; | |
| } |
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