diff options
Diffstat (limited to 'reference.c')
| -rw-r--r-- | reference.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/reference.c b/reference.c index 731f993..dff7ab9 100644 --- a/reference.c +++ b/reference.c @@ -609,7 +609,14 @@ is_offset_ok(double offset) /* ================================================== */ static int -is_leap_second_day(struct tm *stm) { +is_leap_second_day(time_t when) +{ + struct tm *stm; + + stm = gmtime(&when); + if (!stm) + return 0; + /* Allow leap second only on the last day of June and December */ return (stm->tm_mon == 5 && stm->tm_mday == 30) || (stm->tm_mon == 11 && stm->tm_mday == 31); @@ -624,7 +631,7 @@ get_tz_leap(time_t when, int *tai_offset) static NTP_Leap tz_leap; static int tz_tai_offset; - struct tm stm; + struct tm stm, *tm; time_t t; char *tz_env, tz_orig[128]; @@ -639,7 +646,11 @@ get_tz_leap(time_t when, int *tai_offset) tz_leap = LEAP_Normal; tz_tai_offset = 0; - stm = *gmtime(&when); + tm = gmtime(&when); + if (!tm) + return tz_leap; + + stm = *tm; /* Temporarily switch to the timezone containing leap seconds */ tz_env = getenv("TZ"); @@ -784,7 +795,7 @@ update_leap_status(NTP_Leap leap, time_t now, int reset) if (leap == LEAP_InsertSecond || leap == LEAP_DeleteSecond) { /* Check that leap second is allowed today */ - if (is_leap_second_day(gmtime(&now))) { + if (is_leap_second_day(now)) { if (leap == LEAP_InsertSecond) { leap_sec = 1; } else { @@ -1345,6 +1356,18 @@ int REF_IsLeapSecondClose(void) /* ================================================== */ +int +REF_GetTaiOffset(struct timespec *ts) +{ + int tai_offset; + + get_tz_leap(ts->tv_sec, &tai_offset); + + return tai_offset; +} + +/* ================================================== */ + void REF_GetTrackingReport(RPT_TrackingReport *rep) { |