ref: 6cd7862223d13fd0897c3fafc213dccf874b7101
dir: /src/libc/arch/posix/_systime.c/
#include <time.h> #include "../../libc.h" time_t _systime(struct tm *tm) { time_t t = 0; int year = tm->tm_year + MINYEAR; for (int i = EPOCH; i < year; ++i) t += _daysyear(i) * SECDAY; for (int i = 0; i < tm->tm_mon; ++i) t += _daysmon[i] * SECDAY; t += tm->tm_sec; t += tm->tm_min * SECMIN; t += tm->tm_hour * SECHOUR; t += (tm->tm_mday-1) * SECDAY; return t; }