| Line 524... |
Line 524... |
#endif //INCLUDE_QSORT
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#endif //INCLUDE_QSORT
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#ifdef INCLUDE_TIMELIB
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#ifdef INCLUDE_TIMELIB
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/************************* time.h ***********************/
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/************************* time.h ***********************/
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/* Day light savings first Sunday in April and last Sunday in October
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is_dst means hour has been compensated for day light savings
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leap year if year divisible by 4. Centenary years should only be
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leap-years if they were divisible by 400. */
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#define SEC_PER_YEAR (365L*24*60*60)
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#define SEC_PER_YEAR (365L*24*60*60)
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#define SEC_PER_DAY (24L*60*60)
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#define SEC_PER_DAY (24L*60*60)
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//typedef unsigned long time_t; //start at 1/1/80
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//typedef unsigned long time_t; //start at 1/1/80
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//struct tm {
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//struct tm {
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// int tm_sec; //(0,59)
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// int tm_sec; //(0,59)
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| Line 540... |
Line 536... |
// int tm_mday; //(1,31)
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// int tm_mday; //(1,31)
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// int tm_mon; //(0,11)
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// int tm_mon; //(0,11)
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// int tm_year; //(0,n) from 1900
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// int tm_year; //(0,n) from 1900
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// int tm_wday; //(0,6) calculated
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// int tm_wday; //(0,6) calculated
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// int tm_yday; //(0,365) calculated
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// int tm_yday; //(0,365) calculated
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// int tm_isdst; // calculated
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// int tm_isdst; //hour adjusted for day light savings
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//};
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//};
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static const unsigned short DaysUntilMonth[]=
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static const unsigned short DaysUntilMonth[]=
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{0,31,59,90,120,151,181,212,243,273,304,334,365};
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{0,31,59,90,120,151,181,212,243,273,304,334,365};
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static const unsigned short DaysInMonth[]=
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static const unsigned short DaysInMonth[]=
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{31,28,31,30,31,30,31,31,30,31,30,31};
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{31,28,31,30,31,30,31,31,30,31,30,31};
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static time_t DstTimeIn, DstTimeOut;
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static time_t DstTimeIn, DstTimeOut;
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/* Leap year if divisible by 4. Centenary years should only be
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leap-years if they were divisible by 400. */
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static int IsLeapYear(int year)
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static int IsLeapYear(int year)
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{
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{
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return(((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0));
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return(((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0));
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}
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}
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| Line 562... |
Line 561... |
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days = tp->tm_mday - 1 + DaysUntilMonth[tp->tm_mon] +
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days = tp->tm_mday - 1 + DaysUntilMonth[tp->tm_mon] +
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365 * (tp->tm_year - 80);
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365 * (tp->tm_year - 80);
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seconds = (unsigned long)tp->tm_sec + 60L * (tp->tm_min +
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seconds = (unsigned long)tp->tm_sec + 60L * (tp->tm_min +
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60L * (tp->tm_hour + 24L * days));
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60L * (tp->tm_hour + 24L * days));
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if(tp->tm_isdst)
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seconds -= 60 * 60;
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year = 1900 + tp->tm_year - (tp->tm_mon < 2);
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year = 1900 + tp->tm_year - (tp->tm_mon < 2);
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for(y = 1980; y <= year; y += 4)
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for(y = 1980; y <= year; y += 4)
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{
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{
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if(y % 100 != 0 || y % 400 == 0)
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if(y % 100 != 0 || y % 400 == 0)
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seconds += SEC_PER_DAY;
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seconds += SEC_PER_DAY;
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| Line 581... |
Line 582... |
unsigned long year, month;
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unsigned long year, month;
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out->tm_isdst = 0;
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out->tm_isdst = 0;
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if(DstTimeIn <= secondsIn && secondsIn < DstTimeOut)
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if(DstTimeIn <= secondsIn && secondsIn < DstTimeOut)
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{
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{
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secondsIn -= 60 * 60;
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secondsIn += 60 * 60;
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out->tm_isdst = 1;
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out->tm_isdst = 1;
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}
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}
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seconds = secondsIn;
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seconds = secondsIn;
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for(year = 0; ; ++year)
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for(year = 0; ; ++year)
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{
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{
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| Line 623... |
Line 624... |
}
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}
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void gmtimeDst(time_t dstTimeIn, time_t dstTimeOut)
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void gmtimeDst(time_t dstTimeIn, time_t dstTimeOut)
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{
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{
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/*DST from first Sunday in April to last Sunday in October at 2am*/
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DstTimeIn = dstTimeIn;
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DstTimeIn = dstTimeIn;
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DstTimeOut = dstTimeOut;
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DstTimeOut = dstTimeOut;
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}
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}
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//DST from 2am on the second Sunday in March to 2am first Sunday in November
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void gmtimeDstSet(time_t *tp, time_t *dstTimeIn, time_t *dstTimeOut)
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{
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time_t seconds, timeIn, timeOut;
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struct tm tmDate;
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int year, days;
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DstTimeIn = 0;
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DstTimeOut = 0;
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gmtime_r(tp, &tmDate);
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year = tmDate.tm_year;
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//March 1, year, 2AM -> second Sunday
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tmDate.tm_year = year;
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tmDate.tm_mon = 2;
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tmDate.tm_mday = 1;
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tmDate.tm_hour = 2;
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tmDate.tm_min = 0;
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tmDate.tm_sec = 0;
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seconds = mktime(&tmDate);
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gmtime_r(&seconds, &tmDate);
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days = 7 - tmDate.tm_wday + 7;
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*dstTimeIn = timeIn = seconds + days * SEC_PER_DAY;
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//November 1, year, 2AM -> first Sunday
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tmDate.tm_year = year;
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tmDate.tm_mon = 10;
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tmDate.tm_mday = 1;
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tmDate.tm_hour = 2;
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tmDate.tm_min = 0;
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tmDate.tm_sec = 0;
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seconds = mktime(&tmDate);
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gmtime_r(&seconds, &tmDate);
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days = 7 - tmDate.tm_wday;
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*dstTimeOut = timeOut = seconds + days * SEC_PER_DAY;
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DstTimeIn = timeIn;
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DstTimeOut = timeOut;
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}
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#endif //INCLUDE_TIMELIB
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#endif //INCLUDE_TIMELIB
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No newline at end of file
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No newline at end of file
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