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TIMER: Fix additional timespec overflow cases in diff and compares

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This commit is contained in:
Mark Pizzolato
2018-07-15 10:18:30 -07:00
parent 97bee79faa
commit e537e4d8fe
1 changed files with 3 additions and 3 deletions
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6
sim_timer.c
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@@ -694,7 +694,7 @@ while (sub->tv_nsec > diff->tv_nsec) {
diff->tv_nsec -= sub->tv_nsec; diff->tv_nsec -= sub->tv_nsec;
diff->tv_sec -= sub->tv_sec; diff->tv_sec -= sub->tv_sec;
/* Normalize the result */ /* Normalize the result */
while (diff->tv_nsec > 1000000000) { while (diff->tv_nsec >= 1000000000) {
++diff->tv_sec; ++diff->tv_sec;
diff->tv_nsec -= 1000000000; diff->tv_nsec -= 1000000000;
} }
@@ -715,11 +715,11 @@ t_stat sim_timer_show_idle_mode (FILE* st, UNIT* uptr, int32 val, CONST void *
#if defined(SIM_ASYNCH_CLOCKS) #if defined(SIM_ASYNCH_CLOCKS)
static int sim_timespec_compare (struct timespec *a, struct timespec *b) static int sim_timespec_compare (struct timespec *a, struct timespec *b)
{ {
while (a->tv_nsec > 1000000000) { while (a->tv_nsec >= 1000000000) {
a->tv_nsec -= 1000000000; a->tv_nsec -= 1000000000;
++a->tv_sec; ++a->tv_sec;
} }
while (b->tv_nsec > 1000000000) { while (b->tv_nsec >= 1000000000) {
b->tv_nsec -= 1000000000; b->tv_nsec -= 1000000000;
++b->tv_sec; ++b->tv_sec;
} }