657     historicRules = NULL;  in clearTransitionRules()
678     if (historicRules != NULL) {  in deleteTransitionRules()
680             if (historicRules[i] != NULL) {  in deleteTransitionRules()
681                 delete historicRules[i];  in deleteTransitionRules()
684         uprv_free(historicRules);  in deleteTransitionRules()
768                     if (historicRules == NULL) {  in initTransitionRules()
770 …historicRules = (TimeArrayTimeZoneRule**)uprv_malloc(sizeof(TimeArrayTimeZoneRule*)*historicRuleCo…  in initTransitionRules()
771                         if (historicRules == NULL) {  in initTransitionRules()
779                             historicRules[i] = NULL;  in initTransitionRules()
782 …                 historicRules[typeIdx] = new TimeArrayTimeZoneRule((dst == 0 ? stdName : dstName),  in initTransitionRules()
785                     if (historicRules[typeIdx] == NULL) {  in initTransitionRules()
797                     *initialRule, *historicRules[typeIdx]);  in initTransitionRules()
859             prevRule = historicRules[typeMapData[transCount - 1]];  in initTransitionRules()
900     if (historicRules != NULL) {  in getNextTransition()
922             TimeZoneRule *to = historicRules[typeMapData[ttidx + 1]];  in getNextTransition()
923             TimeZoneRule *from = historicRules[typeMapData[ttidx]];  in getNextTransition()
966     if (historicRules != NULL) {  in getPreviousTransition()
983             TimeZoneRule *to = historicRules[typeMapData[ttidx]];  in getPreviousTransition()
984             TimeZoneRule *from = historicRules[typeMapData[ttidx-1]];  in getPreviousTransition()
1015     if (historicRules != NULL) {  in countTransitionRules()
1019             if (historicRules[i] != NULL) {  in countTransitionRules()
1052     if (historicRules != NULL && trscount > cnt) {  in getTimeZoneRules()
1056             if (historicRules[i] != NULL) {  in getTimeZoneRules()
1057                 trsrules[cnt++] = historicRules[i];  in getTimeZoneRules()