658     historicRules = nullptr;  in clearTransitionRules()
679     if (historicRules != nullptr) {  in deleteTransitionRules()
681             if (historicRules[i] != nullptr) {  in deleteTransitionRules()
682                 delete historicRules[i];  in deleteTransitionRules()
685         uprv_free(historicRules);  in deleteTransitionRules()
769                     if (historicRules == nullptr) {  in initTransitionRules()
771 …historicRules = (TimeArrayTimeZoneRule**)uprv_malloc(sizeof(TimeArrayTimeZoneRule*)*historicRuleCo…  in initTransitionRules()
772                         if (historicRules == nullptr) {  in initTransitionRules()
780                             historicRules[i] = nullptr;  in initTransitionRules()
783 …                 historicRules[typeIdx] = new TimeArrayTimeZoneRule((dst == 0 ? stdName : dstName),  in initTransitionRules()
786                     if (historicRules[typeIdx] == nullptr) {  in initTransitionRules()
798                     *initialRule, *historicRules[typeIdx]);  in initTransitionRules()
860             prevRule = historicRules[typeMapData[transCount - 1]];  in initTransitionRules()
901     if (historicRules != nullptr) {  in getNextTransition()
923             TimeZoneRule *to = historicRules[typeMapData[ttidx + 1]];  in getNextTransition()
924             TimeZoneRule *from = historicRules[typeMapData[ttidx]];  in getNextTransition()
967     if (historicRules != nullptr) {  in getPreviousTransition()
984             TimeZoneRule *to = historicRules[typeMapData[ttidx]];  in getPreviousTransition()
985             TimeZoneRule *from = historicRules[typeMapData[ttidx-1]];  in getPreviousTransition()
1016     if (historicRules != nullptr) {  in countTransitionRules()
1020             if (historicRules[i] != nullptr) {  in countTransitionRules()
1053     if (historicRules != nullptr && trscount > cnt) {  in getTimeZoneRules()
1057             if (historicRules[i] != nullptr) {  in getTimeZoneRules()
1058                 trsrules[cnt++] = historicRules[i];  in getTimeZoneRules()