Refactoring as seen in PR esp8266#8317

Author: dok-net

libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp

@@ -627,13 +627,13 @@ int ESP8266WiFiGenericClass::hostByName(const char* aHostname, IPAddress& aResul
         }
     }
 
-    if(err != 0) {
-        DEBUG_WIFI_GENERIC("[hostByName] Host: %s lookup error: %d!\n", aHostname, (int)err);
-    } else {
+    if(err == ERR_OK) {
         DEBUG_WIFI_GENERIC("[hostByName] Host: %s IP: %s\n", aHostname, aResult.toString().c_str());
+        return 1;
+    } else {
+        DEBUG_WIFI_GENERIC("[hostByName] Host: %s lookup error: %d!\n", aHostname, (int)err);
+        return 0;
     }
-
-    return (err == ERR_OK) ? 1 : 0;
 }
 
 #if LWIP_IPV4 && LWIP_IPV6
@@ -677,13 +677,13 @@ int ESP8266WiFiGenericClass::hostByName(const char* aHostname, IPAddress& aResul
         }
     }
 
-    if(err != 0) {
-        DEBUG_WIFI_GENERIC("[hostByName] Host: %s lookup error: %d!\n", aHostname, (int)err);
-    } else {
+    if(err == ERR_OK) {
         DEBUG_WIFI_GENERIC("[hostByName] Host: %s IP: %s\n", aHostname, aResult.toString().c_str());
+        return 1;
+    } else {
+        DEBUG_WIFI_GENERIC("[hostByName] Host: %s lookup error: %d!\n", aHostname, (int)err);
+        return 0;
     }
-
-    return (err == ERR_OK) ? 1 : 0;
 }
 #endif