#include #include #include static std::string toString(time_t Value) { struct tm tm; char buf[96]; localtime_r(&Value, &tm); snprintf(buf, sizeof(buf), "%04d-%02d-%02d %02d:%02d:%02d", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); return buf; } static time_t orderedIdentifierToDate(unsigned value) { struct tm tm; memset(&tm, 0, sizeof(tm)); tm.tm_year = value / 10000 - 1900; tm.tm_mon = (value % 10000) / 100 - 1; tm.tm_mday = value % 100; tm.tm_isdst = -1; return mktime(&tm); } void loop(time_t begin, time_t end, int step) { const auto & date_lut = DateLUT::instance(); for (time_t t = begin; t < end; t += step) std::cout << toString(t) << ", " << toString(date_lut.toTime(t)) << ", " << date_lut.toHour(t) << std::endl; } int main(int, char **) { loop(orderedIdentifierToDate(20101031), orderedIdentifierToDate(20101101), 15 * 60); loop(orderedIdentifierToDate(20100328), orderedIdentifierToDate(20100330), 15 * 60); loop(orderedIdentifierToDate(20141020), orderedIdentifierToDate(20141106), 15 * 60); return 0; }