RenEvo

   1:  //------------------------------------------------------------------------------

   2:  //

   3:  // Function: ConvertDays

   4:  //

   5:  // Local helper function that split total days since Jan 1, ORIGINYEAR into 

   6:  // year, month and day

   7:  //

   8:  // Parameters:

   9:  //

  10:  // Returns:

  11:  //      Returns TRUE if successful, otherwise returns FALSE.

  12:  //

  13:  //------------------------------------------------------------------------------

  14:  BOOL ConvertDays(UINT32 days, SYSTEMTIME* lpTime)

  15:  {

  16:      int dayofweek, month, year;

  17:      UINT8 *month_tab;

  18:   

  19:      //Calculate current day of the week

  20:      dayofweek = GetDayOfWeek(days);

  21:   

  22:      year = ORIGINYEAR;

  23:   

  24:      while (days > 365)

  25:      {

  26:          if (IsLeapYear(year))

  27:          {

  28:              if (days > 366)

  29:              {

  30:                  days -= 366;

  31:                  year += 1;

  32:              }

  33:          }

  34:          else

  35:          {

  36:              days -= 365;

  37:              year += 1;

  38:          }

  39:      }

  40:   

  41:   

  42:      // Determine whether it is a leap year

  43:      month_tab = (UINT8 *)((IsLeapYear(year))? monthtable_leap : monthtable);

  44:   

  45:      for (month=0; month<12; month++)

  46:      {

  47:          if (days <= month_tab[month])

  48:              break;

  49:          days -= month_tab[month];

  50:      }

  51:   

  52:      month += 1;

  53:   

  54:      lpTime->wDay = days;

  55:      lpTime->wDayOfWeek = dayofweek;

  56:      lpTime->wMonth = month;

  57:      lpTime->wYear = year;

  58:   

  59:      return TRUE