runtime/basis/System/Date.c

   1 #include "platform.h"
   2
   3 static struct tm Date_tmIn;
   4 static struct tm *Date_tmOut;
   5
   6 C_Int_t Date_Tm_getHour(void) { return Date_tmOut->tm_hour; }
   7 C_Int_t Date_Tm_getIsDst(void) { return Date_tmOut->tm_isdst; }
   8 C_Int_t Date_Tm_getMDay(void) { return Date_tmOut->tm_mday; }
   9 C_Int_t Date_Tm_getMin(void) { return Date_tmOut->tm_min; }
  10 C_Int_t Date_Tm_getMon(void) { return Date_tmOut->tm_mon; }
  11 C_Int_t Date_Tm_getSec(void) { return Date_tmOut->tm_sec; }
  12 C_Int_t Date_Tm_getWDay(void) { return Date_tmOut->tm_wday; }
  13 C_Int_t Date_Tm_getYDay(void) { return Date_tmOut->tm_yday; }
  14 C_Int_t Date_Tm_getYear(void) { return Date_tmOut->tm_year; }
  15
  16 void Date_Tm_setHour(C_Int_t x) { Date_tmIn.tm_hour = x; }
  17 void Date_Tm_setIsDst(C_Int_t x) { Date_tmIn.tm_isdst = x; }
  18 void Date_Tm_setMDay(C_Int_t x) { Date_tmIn.tm_mday = x; }
  19 void Date_Tm_setMin(C_Int_t x) { Date_tmIn.tm_min = x; }
  20 void Date_Tm_setMon(C_Int_t x) { Date_tmIn.tm_mon = x; }
  21 void Date_Tm_setSec(C_Int_t x) { Date_tmIn.tm_sec = x; }
  22 void Date_Tm_setWDay(C_Int_t x) { Date_tmIn.tm_wday = x; }
  23 void Date_Tm_setYDay(C_Int_t x) { Date_tmIn.tm_yday = x; }
  24 void Date_Tm_setYear(C_Int_t x) { Date_tmIn.tm_year = x; }
  25
  26 C_Errno_t(C_Int_t) Date_gmTime(Ref(C_Time_t) p) {
  27   Date_tmOut = gmtime((time_t*)p);
  28   if (Date_tmOut == NULL) return -1;
  29   return 0;
  30 }
  31
  32 /* The idea for Date_localOffset comes from KitV3 src/Runtime/Time.c */
  33 C_Double_t Date_localOffset(void) {
  34   time_t t1, t2;
  35
  36   t1 = time(NULL);
  37   t2 = mktime(gmtime(&t1));
  38   return difftime(t2, t1);
  39 }
  40
  41 C_Errno_t(C_Int_t) Date_localTime(Ref(C_Time_t) p) {
  42   Date_tmOut = localtime((time_t*)p);
  43   if (Date_tmOut == NULL) return -1;
  44   return 0;
  45 }
  46
  47 C_Errno_t(C_Time_t) Date_mkTime(void) {
  48   return mktime(&Date_tmIn);
  49 }
  50
  51 C_Size_t Date_strfTime(Array(Char8_t) buf, C_Size_t n, NullString8_t fmt) {
  52   return strftime((char*)(buf), n, (const char*)(fmt), &Date_tmIn);
  53 }