From adf2d3863b679fbf5f7b579ceacddb752c4a9103 Mon Sep 17 00:00:00 2001
From: TheXception
Date: Mon, 23 Apr 2007 09:39:23 +0000
Subject: added _free function again due problems while freeing memory

git-svn-id: https://svn.kvirc.de/svn/trunk/kvirc@529 17fca916-40b9-46aa-a4ea-0a15b648b75c
---
 src/modules/system/plugin.cpp | 35 ++++++++++++++++++++++++++++++++++-
 src/modules/system/plugin.h   |  2 ++
 2 files changed, 36 insertions(+), 1 deletion(-)

(limited to 'src/modules/system')

diff --git a/src/modules/system/plugin.cpp b/src/modules/system/plugin.cpp
index ba18ade47..9d91c12b4 100644
--- a/src/modules/system/plugin.cpp
+++ b/src/modules/system/plugin.cpp
@@ -47,6 +47,16 @@
 	@body:
 		TODO
 		[b]Exported functions by dll[/b][br]
+		[br]_free function (needed)[br]
+		[example]
+		int _free(void * p)[br]
+		{[br]
+			// Always free the memory here![br]
+			free(p);[br]
+			return 0;[br]
+		}[br]
+		[/example]
+		
 		[br]_load function (optional)[br]
 		[example]
 		int _load()[br]
@@ -105,6 +115,20 @@ KviPlugin* KviPlugin::load(const QString& szFileName)
 	return pPlugin;
 }
 
+bool KviPlugin::pfree(char * pBuffer)
+{
+	plugin_free function_free;
+	
+	function_free = (plugin_free)kvi_library_symbol(m_Plugin,"_free");
+	if (function_free)
+	{
+		//TODO: THREAD
+		if(pBuffer) function_free(pBuffer);
+		return true;
+	}
+	return false;
+}
+
 bool KviPlugin::unload(bool forced)
 {
 	plugin_unload function_unload;
@@ -264,7 +288,16 @@ bool KviPluginManager::pluginCall(KviKvsModuleFunctionCall *c)
 	//Clean up
 	if(pArgvBuffer) free(pArgvBuffer);
 	if(ppArgv) free(ppArgv);
-	if(returnBuffer) free(returnBuffer);
+	if(returnBuffer)
+	{
+		if (!plugin->pfree(returnBuffer))
+		{
+			c->warning(__tr2qs("The plugin has no function to free memory. Can result in Memory Leaks!"));
+		}
+	}
+
+	
+
 	return true;
 }
 
diff --git a/src/modules/system/plugin.h b/src/modules/system/plugin.h
index 43c513fe3..cd6002e5c 100644
--- a/src/modules/system/plugin.h
+++ b/src/modules/system/plugin.h
@@ -32,6 +32,7 @@
 typedef int (*plugin_function)(int argc, char* argv[], char ** buffer);
 typedef int (*plugin_unload)();
 typedef int (*plugin_load)();
+typedef int (*plugin_free)(char * pBuffer);
 
 class KviPlugin
 {
@@ -47,6 +48,7 @@ private:
 	QString m_szName;
 public:
 	static KviPlugin* load(const QString& szFileName);
+	bool pfree(char * pBuffer);
 	bool unload(bool forced);
 	int call(const QString& szFunctionName, int argc, char * argv[], char ** pBuffer);
 	QString name();
-- 
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