- if( hostgroup == NULL ) {
- hostgroup = xbt_dynar_new(sizeof(char*), NULL);
- xbt_dict_set(parent2hostgroup, parent->name, hostgroup, NULL);
+ if( hostgroup == nullptr ) {
+ hostgroup = xbt_dynar_new(sizeof(char*), nullptr);
+ xbt_dict_set(parent2hostgroup, parent->name, hostgroup, nullptr);