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Slew only non-zero local timestamps in ntp core

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This commit is contained in:
Miroslav Lichvar 2013-06-03 11:34:15 +02:00
parent a2656a20bc
commit afceb9d24e
1 changed files with 4 additions and 2 deletions
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6
ntp_core.c
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@ -1513,13 +1513,15 @@ NCR_SlewTimes(NCR_Instance inst, struct timeval *when, double dfreq, double doff
struct timeval prev;
double delta;
prev = inst->local_rx;
UTI_AdjustTimeval(&inst->local_rx, when, &inst->local_rx, &delta, dfreq, doffset);
if (inst->local_rx.tv_sec || inst->local_rx.tv_usec)
UTI_AdjustTimeval(&inst->local_rx, when, &inst->local_rx, &delta, dfreq, doffset);
#ifdef TRACEON
LOG(LOGS_INFO, LOGF_NtpCore, "rx prev=[%s] new=[%s]",
UTI_TimevalToString(&prev), UTI_TimevalToString(&inst->local_rx));
#endif
prev = inst->local_tx;
UTI_AdjustTimeval(&inst->local_tx, when, &inst->local_tx, &delta, dfreq, doffset);
if (inst->local_tx.tv_sec || inst->local_tx.tv_usec)
UTI_AdjustTimeval(&inst->local_tx, when, &inst->local_tx, &delta, dfreq, doffset);
#ifdef TRACEON
LOG(LOGS_INFO, LOGF_NtpCore, "tx prev=[%s] new=[%s]",
UTI_TimevalToString(&prev), UTI_TimevalToString(&inst->local_tx));