1 #include "time_impl.h" 2 __tm_to_secs(const struct tm * tm)3long long __tm_to_secs(const struct tm *tm) 4 { 5 int is_leap; 6 long long year = tm->tm_year; 7 int month = tm->tm_mon; 8 if (month >= 12 || month < 0) { 9 int adj = month / 12; 10 month %= 12; 11 if (month < 0) { 12 adj--; 13 month += 12; 14 } 15 year += adj; 16 } 17 long long t = __year_to_secs(year, &is_leap); 18 t += __month_to_secs(month, is_leap); 19 t += 86400LL * (tm->tm_mday-1); 20 t += 3600LL * tm->tm_hour; 21 t += 60LL * tm->tm_min; 22 t += tm->tm_sec; 23 return t; 24 } 25