* bug fix

examples/simple_repeater/MyMesh.cpp

@@ -414,7 +414,7 @@ bool MyMesh::isLooped(const mesh::Packet* packet, const uint8_t max_counters[])
 }
 
 void MyMesh::sendFloodReply(mesh::Packet* packet, unsigned long delay_millis, uint8_t path_hash_size) {
-  if (recv_pkt_region) {  // if _request_ packet scope is known, send reply with same scope
+  if (recv_pkt_region && !recv_pkt_region->isWildcard()) {  // if _request_ packet scope is known, send reply with same scope
     TransportKey scope;
     if (region_map.getTransportKeysFor(*recv_pkt_region, &scope, 1) > 0) {
       sendFloodScoped(scope, packet, delay_millis, path_hash_size);

examples/simple_room_server/MyMesh.cpp

@@ -716,7 +716,7 @@ void MyMesh::sendFloodScoped(const TransportKey& scope, mesh::Packet* pkt, uint3
 }
 
 void MyMesh::sendFloodReply(mesh::Packet* packet, unsigned long delay_millis, uint8_t path_hash_size) {
-  if (recv_pkt_region) {  // if _request_ packet scope is known, send reply with same scope
+  if (recv_pkt_region && !recv_pkt_region->isWildcard()) {  // if _request_ packet scope is known, send reply with same scope
     TransportKey scope;
     if (region_map.getTransportKeysFor(*recv_pkt_region, &scope, 1) > 0) {
       sendFloodScoped(scope, packet, delay_millis, path_hash_size);

src/helpers/CommonCLI.cpp

@@ -948,12 +948,14 @@ void CommonCLI::handleRegionCmd(char* command, char* reply) {
     if (strcmp(parts[2], "<null>") == 0) {
       _region_map->setDefaultRegion(NULL);
       _callbacks->onDefaultRegionChanged(NULL);
+      _callbacks->saveRegions();  // persist in one atomic step
       sprintf(reply, " default scope is now <null>");
     } else {
       auto def = _region_map->findByNamePrefix(parts[2]);
       if (def) {
         _region_map->setDefaultRegion(def);
         _callbacks->onDefaultRegionChanged(def);
+        _callbacks->saveRegions();  // persist in one atomic step
         sprintf(reply, " default scope is now %s", def->name);
       } else {
         strcpy(reply, "Err - unknown region");

src/helpers/RegionMap.h

@@ -16,6 +16,8 @@ struct RegionEntry {
   uint16_t parent;
   uint8_t flags;
   char name[31];
+
+  bool isWildcard() const { return id == 0; }
 };
 
 class RegionMap {