fix more nitpicks comments

Author: Liliputech

usermods/udp_name_sync/udp_name_sync.cpp

@@ -22,6 +22,7 @@ class UdpNameSync : public Usermod {
     inline bool isEnabled() const { return enabled; }
 
     void setup() override {
+      // Enabled when this usermod is compiled, set to false if you prefer runtime opt-in
       enable(true);
     }
 
@@ -30,12 +31,16 @@ class UdpNameSync : public Usermod {
       if (!WLED_CONNECTED) return;
       if (!udpConnected) return;
       Segment& mainseg = strip.getMainSegment();
-      if (!strlen(segmentName) && !mainseg.name) return; //name was never set, do nothing
+      if (segmentName[0] == '\0' && !mainseg.name) return; //name was never set, do nothing
+
+      const char* curName = mainseg.name ? mainseg.name : "";
+      if (strncmp(curName, segmentName, sizeof(segmentName)) == 0) return; // same name, do nothing
 
       IPAddress broadcastIp = uint32_t(Network.localIP()) | ~uint32_t(Network.subnetMask());
       byte udpOut[WLED_MAX_SEGNAME_LEN + 2];
-      udpOut[0] = kPacketType; // custom usermod packet type (avoid 0..5 used by core protocols)  
-      if (strlen(segmentName) && !mainseg.name) { // name cleared
+      udpOut[0] = kPacketType; // custom usermod packet type (avoid 0..5 used by core protocols)
+
+      if (segmentName[0] != '\0' && !mainseg.name) { // name cleared
         notifierUdp.beginPacket(broadcastIp, udpPort);
         segmentName[0] = '\0';
         DEBUG_PRINTLN(F("UdpNameSync: sending empty name"));
@@ -45,19 +50,17 @@ class UdpNameSync : public Usermod {
         return;
       }
 
-      const char* curName = mainseg.name ? mainseg.name : "";
-      if (strncmp(curName, segmentName, sizeof(segmentName)) == 0) return; // same name, do nothing
-
       notifierUdp.beginPacket(broadcastIp, udpPort);
       DEBUG_PRINT(F("UdpNameSync: saving segment name "));
-      DEBUG_PRINTLN(mainseg.name);
       DEBUG_PRINTLN(curName);
-      strlcpy(segmentName, mainseg.name, sizeof(segmentName));
+      strlcpy(segmentName, curName, sizeof(segmentName));
       strlcpy((char *)&udpOut[1], segmentName, sizeof(udpOut) - 1); // leave room for header byte
-      notifierUdp.write(udpOut, 2 + strnlen((char *)&udpOut[1], sizeof(udpOut) - 1));
+      size_t nameLen = strnlen((char *)&udpOut[1], sizeof(udpOut) - 1);
+      notifierUdp.write(udpOut, 2 + nameLen);
       notifierUdp.endPacket();
       DEBUG_PRINT(F("UdpNameSync: Sent segment name : "));
       DEBUG_PRINTLN(segmentName);
+      return;
     }
 
     bool onUdpPacket(uint8_t * payload, size_t len) override {
@@ -78,10 +81,5 @@ class UdpNameSync : public Usermod {
      }
 };
 
-
-// add more strings here to reduce flash memory usage
-const char UdpNameSync::_name[]    PROGMEM = "UdpNameSync";
-const char UdpNameSync::_enabled[] PROGMEM = "enabled";
-
 static UdpNameSync udp_name_sync;
 REGISTER_USERMOD(udp_name_sync);