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Smaller time (100b)

This commit is contained in:
Stefan `Sec` Zehl 2011-08-06 02:38:06 +02:00
parent a659245364
commit feb5db7328
1 changed files with 18 additions and 7 deletions
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25
firmware/basic/simpletime.c
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@ -4,10 +4,21 @@
time_t _timet=0; time_t _timet=0;
int _ytab[2][12] = { static int days_per_month (int year, int month)
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, {
{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } if (month == 1)
}; {
if (LEAPYEAR(year))
return 29;
return 28;
}
else if (month > 6)
month--;
if ((month % 2))
return 30;
else
return 31;
}
struct tm * mygmtime(register const time_t time) { struct tm * mygmtime(register const time_t time) {
static struct tm br_time; static struct tm br_time;
@ -21,7 +32,7 @@ struct tm * mygmtime(register const time_t time) {
timep->tm_sec = dayclock % 60; timep->tm_sec = dayclock % 60;
timep->tm_min = (dayclock % 3600) / 60; timep->tm_min = (dayclock % 3600) / 60;
timep->tm_hour = dayclock / 3600; timep->tm_hour = dayclock / 3600;
timep->tm_wday = (dayno + 4) % 7; /* day 0 was a thursday */ timep->tm_wday = (dayno + 4) % 7; /* day 0 was a thursday */
while (dayno >= YEARSIZE(year)) { while (dayno >= YEARSIZE(year)) {
dayno -= YEARSIZE(year); dayno -= YEARSIZE(year);
year++; year++;
@ -29,8 +40,8 @@ struct tm * mygmtime(register const time_t time) {
timep->tm_year = year - YEAR0; timep->tm_year = year - YEAR0;
timep->tm_yday = dayno; timep->tm_yday = dayno;
timep->tm_mon = 0; timep->tm_mon = 0;
while (dayno >= _ytab[LEAPYEAR(year)][timep->tm_mon]) { while (dayno >= days_per_month (year, timep->tm_mon)) {
dayno -= _ytab[LEAPYEAR(year)][timep->tm_mon]; dayno -= days_per_month (year, timep->tm_mon);
timep->tm_mon++; timep->tm_mon++;
} }
timep->tm_mday = dayno + 1; timep->tm_mday = dayno + 1;