5 files changed, 16 insertions, 1 deletions
diff --git a/src/HTTPServer/EnvelopeParser.h b/src/HTTPServer/EnvelopeParser.h
index 6430fbebf..866bed11d 100644
--- a/src/HTTPServer/EnvelopeParser.h
+++ b/src/HTTPServer/EnvelopeParser.h
@@ -19,6 +19,9 @@ public:
 	class cCallbacks
 	{
 	public:
+		// Force a virtual destructor in descendants:
+		virtual ~cCallbacks() {}
+		
 		/// Called when a full header line is parsed
 		virtual void OnHeaderLine(const AString & a_Key, const AString & a_Value) = 0;
 	} ;
diff --git a/src/HTTPServer/HTTPFormParser.h b/src/HTTPServer/HTTPFormParser.h
index a554ca5a4..f2a509cb8 100644
--- a/src/HTTPServer/HTTPFormParser.h
+++ b/src/HTTPServer/HTTPFormParser.h
@@ -36,6 +36,9 @@ public:
 	class cCallbacks
 	{
 	public:
+		// Force a virtual destructor in descendants:
+		virtual ~cCallbacks() {}
+		
 		/// Called when a new file part is encountered in the form data
 		virtual void OnFileStart(cHTTPFormParser & a_Parser, const AString & a_FileName) = 0;
 		
diff --git a/src/HTTPServer/HTTPServer.cpp b/src/HTTPServer/HTTPServer.cpp
index f6f5b0f8b..4e9195a00 100644
--- a/src/HTTPServer/HTTPServer.cpp
+++ b/src/HTTPServer/HTTPServer.cpp
@@ -29,6 +29,8 @@ class cDebugCallbacks :
 {
 		virtual void OnRequestBegun(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) override
 		{
+			UNUSED(a_Connection);
+			
 			if (cHTTPFormParser::HasFormData(a_Request))
 			{
 				a_Request.SetUserData(new cHTTPFormParser(a_Request, *this));
@@ -38,6 +40,8 @@ class cDebugCallbacks :
 		
 		virtual void OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size) override
 		{
+			UNUSED(a_Connection);
+			
 			cHTTPFormParser * FormParser = (cHTTPFormParser *)(a_Request.GetUserData());
 			if (FormParser != NULL)
 			{
diff --git a/src/HTTPServer/HTTPServer.h b/src/HTTPServer/HTTPServer.h
index 24baf8c95..383abb4b6 100644
--- a/src/HTTPServer/HTTPServer.h
+++ b/src/HTTPServer/HTTPServer.h
@@ -37,6 +37,8 @@ public:
 	class cCallbacks
 	{
 	public:
+		virtual ~cCallbacks() {}
+		
 		/** Called when a new request arrives over a connection and its headers have been parsed.
 		The request body needn't have arrived yet.
 		*/
@@ -50,7 +52,7 @@ public:
 	} ;
 	
 	cHTTPServer(void);
-	~cHTTPServer();
+	virtual ~cHTTPServer();
 	
 	/// Initializes the server on the specified ports
 	bool Initialize(const AString & a_PortsIPv4, const AString & a_PortsIPv6);
diff --git a/src/HTTPServer/MultipartParser.h b/src/HTTPServer/MultipartParser.h
index d853929ed..77695fe4a 100644
--- a/src/HTTPServer/MultipartParser.h
+++ b/src/HTTPServer/MultipartParser.h
@@ -22,6 +22,9 @@ public:
 	class cCallbacks
 	{
 	public:
+		// Force a virtual destructor in descendants:
+		virtual ~cCallbacks() {}
+		
 		/// Called when a new part starts
 		virtual void OnPartStart(void) = 0;