2  * Copyright (C) 2004, 2006-2009  Internet Systems Consortium, Inc. ("ISC")
3  * Copyright (C) 1998-2001, 2003  Internet Software Consortium.
36  * struct FILETIME uses "100-nanoseconds intervals".
39  * conversion factor 10^7, it is coded this way for additional clarity.
70 	i->interval = (LONGLONG)seconds * INTERVALS_PER_S  in isc_interval_set()
71 		+ (nanoseconds + NS_INTERVAL - 1) / NS_INTERVAL;  in isc_interval_set()
77 	if (i->interval == 0)  in isc_interval_iszero()
94 	i1.LowPart = t->absolute.dwLowDateTime;  in isc_time_set()
95 	i1.HighPart = t->absolute.dwHighDateTime;  in isc_time_set()
100 	t->absolute.dwLowDateTime = i1.LowPart;  in isc_time_set()
101 	t->absolute.dwHighDateTime = i1.HighPart;  in isc_time_set()
108 	t->absolute.dwLowDateTime = 0;  in isc_time_settoepoch()
109 	t->absolute.dwHighDateTime = 0;  in isc_time_settoepoch()
116 	if (t->absolute.dwLowDateTime == 0 &&  in isc_time_isepoch()
117 	    t->absolute.dwHighDateTime == 0)  in isc_time_isepoch()
127 	GetSystemTimeAsFileTime(&t->absolute);  in isc_time_now()
139 	GetSystemTimeAsFileTime(&t->absolute);  in isc_time_nowplusinterval()
141 	i1.LowPart = t->absolute.dwLowDateTime;  in isc_time_nowplusinterval()
142 	i1.HighPart = t->absolute.dwHighDateTime;  in isc_time_nowplusinterval()
144 	if (UINT64_MAX - i1.QuadPart < (unsigned __int64)i->interval)  in isc_time_nowplusinterval()
147 	i1.QuadPart += i->interval;  in isc_time_nowplusinterval()
149 	t->absolute.dwLowDateTime  = i1.LowPart;  in isc_time_nowplusinterval()
150 	t->absolute.dwHighDateTime = i1.HighPart;  in isc_time_nowplusinterval()
159 	return ((int)CompareFileTime(&t1->absolute, &t2->absolute));  in isc_time_compare()
169 	i1.LowPart = t->absolute.dwLowDateTime;  in isc_time_add()
170 	i1.HighPart = t->absolute.dwHighDateTime;  in isc_time_add()
172 	if (UINT64_MAX - i1.QuadPart < (unsigned __int64)i->interval)  in isc_time_add()
175 	i1.QuadPart += i->interval;  in isc_time_add()
177 	result->absolute.dwLowDateTime = i1.LowPart;  in isc_time_add()
178 	result->absolute.dwHighDateTime = i1.HighPart;  in isc_time_add()
190 	i1.LowPart = t->absolute.dwLowDateTime;  in isc_time_subtract()
191 	i1.HighPart = t->absolute.dwHighDateTime;  in isc_time_subtract()
193 	if (i1.QuadPart < (unsigned __int64) i->interval)  in isc_time_subtract()
196 	i1.QuadPart -= i->interval;  in isc_time_subtract()
198 	result->absolute.dwLowDateTime = i1.LowPart;  in isc_time_subtract()
199 	result->absolute.dwHighDateTime = i1.HighPart;  in isc_time_subtract()
211 	i1.LowPart  = t1->absolute.dwLowDateTime;  in isc_time_microdiff()
212 	i1.HighPart = t1->absolute.dwHighDateTime;  in isc_time_microdiff()
213 	i2.LowPart  = t2->absolute.dwLowDateTime;  in isc_time_microdiff()
214 	i2.HighPart = t2->absolute.dwHighDateTime;  in isc_time_microdiff()
222 	i3 = (i1.QuadPart - i2.QuadPart) / 10;  in isc_time_microdiff()
236 	i1.LowPart  = t->absolute.dwLowDateTime;  in isc_time_seconds()
237 	i1.HighPart = t->absolute.dwHighDateTime;  in isc_time_seconds()
241 	i3 = (i1.QuadPart - i2.QuadPart) / 10000000;  in isc_time_seconds()
250 	i.LowPart  = t->absolute.dwLowDateTime;  in isc_time_nanoseconds()
251 	i.HighPart = t->absolute.dwHighDateTime;  in isc_time_nanoseconds()
262 	static const char badtime[] = "99-Bad-9999 99:99:99.999";  in isc_time_formattimestamp()
265 	if (FileTimeToLocalFileTime(&t->absolute, &localft) &&  in isc_time_formattimestamp()
267 		GetDateFormat(LOCALE_USER_DEFAULT, 0, &st, "dd-MMM-yyyy",  in isc_time_formattimestamp()
288 	if (FileTimeToSystemTime(&t->absolute, &st)) {  in isc_time_formathttptimestamp()
290 			      "ddd',', dd-MMM-yyyy", DateBuf, 50);  in isc_time_formathttptimestamp()
307 /* strtime() format: "%Y-%m-%dT%H:%M:%SZ" */  in isc_time_formatISO8601()
310 	if (FileTimeToSystemTime(&t->absolute, &st)) {  in isc_time_formatISO8601()
311 		GetDateFormat(LOCALE_NEUTRAL, 0, &st, "yyyy-MM-dd",  in isc_time_formatISO8601()