From cc633a7c851e36161315bc1119ed11fc18348c9c Mon Sep 17 00:00:00 2001
From: Lukas Bachschwell <lukas@lbsfilm.at>
Date: Sun, 13 May 2018 19:39:21 +0200
Subject: [PATCH] Closes #11 Bugfix for retrun values on error

---
 src/ESPUI.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/ESPUI.cpp b/src/ESPUI.cpp
index db2a1e7..d266a83 100644
--- a/src/ESPUI.cpp
+++ b/src/ESPUI.cpp
@@ -257,7 +257,7 @@ int ESPUIClass::label(const char *label, int color, String value) {
     if (debug)
       Serial.println("UI ERROR: Element " + String(label) +
                      " exists, skipping creating element!");
-    return;
+    return -1;
   }
 
   Control *newL = new Control();
@@ -282,7 +282,7 @@ int ESPUIClass::slider(const char *label, void (*callBack)(Control, int),
     if (debug)
       Serial.println("UI ERROR: Element " + String(label) +
                      " exists, skipping creating element!");
-    return;
+    return -1;
   }
 
   Control *newSL = new Control();
@@ -306,7 +306,7 @@ int ESPUIClass::button(const char *label, void (*callBack)(Control, int),
     if (debug)
       Serial.println("UI ERROR: Element " + String(label) +
                      " exists, skipping creating element!");
-    return;
+    return -1;
   }
 
   Control *newB = new Control();
@@ -332,7 +332,7 @@ int ESPUIClass::switcher(const char *label, bool startState,
     if (debug)
       Serial.println("UI ERROR: Element " + String(label) +
                      " exists, skipping creating element!");
-    return;
+    return -1;
   }
 
   Control *newS = new Control();
@@ -353,7 +353,7 @@ int ESPUIClass::pad(const char *label, bool center,
     if (debug)
       Serial.println("UI ERROR: Element " + String(label) +
                      " exists, skipping creating element!");
-    return;
+    return -1;
   }
 
   Control *newP = new Control();