62 fix_tv_usec(struct timeval *tv) {  in fix_tv_usec()  argument
65 	if (tv->tv_usec < 0) {  in fix_tv_usec()
68 			tv->tv_sec -= 1;  in fix_tv_usec()
69 			tv->tv_usec += US_PER_S;  in fix_tv_usec()
70 		} while (tv->tv_usec < 0);  in fix_tv_usec()
71 	} else if (tv->tv_usec >= US_PER_S) {  in fix_tv_usec()
74 			tv->tv_sec += 1;  in fix_tv_usec()
75 			tv->tv_usec -= US_PER_S;  in fix_tv_usec()
76 		} while (tv->tv_usec >=US_PER_S);  in fix_tv_usec()
147 	struct timeval tv;  in isc_time_now()  local
152 	if (gettimeofday(&tv, NULL) == -1) {  in isc_time_now()
166 	fix_tv_usec(&tv);  in isc_time_now()
167 	if (tv.tv_sec < 0)  in isc_time_now()
170 	if (tv.tv_sec < 0 || tv.tv_usec < 0 || tv.tv_usec >= US_PER_S)  in isc_time_now()
177 	if (sizeof(tv.tv_sec) > sizeof(t->seconds) &&  in isc_time_now()
178 	    ((tv.tv_sec | (unsigned int)-1) ^ (unsigned int)-1) != 0U)  in isc_time_now()
181 	t->seconds = tv.tv_sec;  in isc_time_now()
182 	t->nanoseconds = tv.tv_usec * NS_PER_US;  in isc_time_now()
189 	struct timeval tv;  in isc_time_nowplusinterval()  local
196 	if (gettimeofday(&tv, NULL) == -1) {  in isc_time_nowplusinterval()
210 	fix_tv_usec(&tv);  in isc_time_nowplusinterval()
211 	if (tv.tv_sec < 0)  in isc_time_nowplusinterval()
214 	if (tv.tv_sec < 0 || tv.tv_usec < 0 || tv.tv_usec >= US_PER_S)  in isc_time_nowplusinterval()
224 	if ((tv.tv_sec > INT_MAX || i->seconds > INT_MAX) &&  in isc_time_nowplusinterval()
225 	    ((long long)tv.tv_sec + i->seconds > UINT_MAX))  in isc_time_nowplusinterval()
228 	t->seconds = tv.tv_sec + i->seconds;  in isc_time_nowplusinterval()
229 	t->nanoseconds = tv.tv_usec * NS_PER_US + i->nanoseconds;  in isc_time_nowplusinterval()