871     std::string current_slot;  in get_current_slot()  local
872     if (fb_getvar(transport, "current-slot", &current_slot)) {  in get_current_slot()
873         if (current_slot == "_a") return "a"; // Legacy support  in get_current_slot()
874         if (current_slot == "_b") return "b"; // Legacy support  in get_current_slot()
875         return current_slot;  in get_current_slot()
917 static std::string get_other_slot(const std::string& current_slot, int count) {  in get_other_slot()  argument
920     char next = (current_slot[0] - 'a' + 1)%count + 'a';  in get_other_slot()
924 static std::string get_other_slot(Transport* transport, const std::string& current_slot) {  in get_other_slot()  argument
925     return get_other_slot(current_slot, get_slot_count(transport));  in get_other_slot()
981     std::string current_slot;  in do_for_partition()  local
989             current_slot = get_current_slot(transport);  in do_for_partition()
990             if (current_slot == "") {  in do_for_partition()
993             func(part + "_" + current_slot);  in do_for_partition()
1062         std::string current_slot = get_current_slot(transport);  in set_active()  local
1063         if (current_slot != "") {  in set_active()
1064             fb_set_active((separator + current_slot).c_str());  in set_active()
1595                 std::string current_slot;  in main()  local
1596                 if (fb_getvar(transport, "current-slot", &current_slot)) {  in main()
1597                     next_active = verify_slot(transport, current_slot, false);  in main()