Free memory for _currentArgs after request has been handled in WebServer. (esp8266#9077)

everslick · hasenradball · commit 4252006963a5 · 2024-11-18T17:40:58.000+01:00
This can reduce permanent RAM consumption significantly, if the last request had lots of arguments, but it assumes, that we do not need the arguments after we have handled a request.
diff --git a/libraries/ESP8266WebServer/src/ESP8266WebServer-impl.h b/libraries/ESP8266WebServer/src/ESP8266WebServer-impl.h
@@ -726,9 +726,11 @@ void ESP8266WebServerTemplate<ServerType>::_handleRequest() {
     _finalizeResponse();
   }
   _currentUri = "";
+  delete[] _currentArgs;
+  _currentArgs = nullptr;
+  _currentArgCount = 0;
 }
 
-
 template <typename ServerType>
 void ESP8266WebServerTemplate<ServerType>::_finalizeResponse() {
   if (_chunked) {

Original file line number	Diff line number	Diff line change
`@@ -726,9 +726,11 @@ void ESP8266WebServerTemplate<ServerType>::_handleRequest() {`
`726`	`726`	`_finalizeResponse();`
`727`	`727`	`}`
`728`	`728`	`_currentUri = "";`
	`729`	`+ delete[] _currentArgs;`
	`730`	`+ _currentArgs = nullptr;`
	`731`	`+ _currentArgCount = 0;`
`729`	`732`	`}`
`730`	`733`
`731`		`-`
`732`	`734`	`template <typename ServerType>`
`733`	`735`	`void ESP8266WebServerTemplate<ServerType>::_finalizeResponse() {`
`734`	`736`	`if (_chunked) {`