Improved parameter validation (#5256)

esp8266 · Oct 17, 2018 · ad7cb63 · ad7cb63
1 parent 64dd492
commit ad7cb63
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/libraries/ESP8266WebServer/src/ESP8266WebServer.cpp b/libraries/ESP8266WebServer/src/ESP8266WebServer.cpp
@@ -500,13 +500,13 @@ String ESP8266WebServer::arg(String name) {
 }
 
 String ESP8266WebServer::arg(int i) {
-  if (i < _currentArgCount)
+  if (i >= 0 && i < _currentArgCount)
     return _currentArgs[i].value;
   return "";
 }
 
 String ESP8266WebServer::argName(int i) {
-  if (i < _currentArgCount)
+  if (i >= 0 && i < _currentArgCount)
     return _currentArgs[i].key;
   return "";
 }