The Offending Code

// Function: ConvertDays
//
// Local helper function that split total days since Jan 1, ORIGINYEAR into
// year, month and day
//
// Parameters:
//
// Returns:
// Returns TRUE if successful, otherwise returns FALSE.
//
//------------------------------------------------------------------------------
BOOL ConvertDays(UINT32 days, SYSTEMTIME* lpTime)
{
int dayofweek, month, year;
UINT8 *month_tab;

//Calculate current day of the week
dayofweek = GetDayOfWeek(days);

year = ORIGINYEAR;

while (days > 365)
{
if (IsLeapYear(year))
{
if (days > 366)
{
days -= 366;
year += 1;
}
}
else
{
days -= 365;
year += 1;
}
}