From 5fd6471070ecf0f9a0074714c57211e922257014 Mon Sep 17 00:00:00 2001
From: danieldg <danieldg@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Wed, 30 Sep 2009 16:28:43 +0000
Subject: [PATCH] Detect, complain, and don't crash when objects are inserted
 into cull list twice

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@11782 e03df62e-2008-0410-955e-edbf42e46eb7
---
 include/cull_list.h |  4 ++--
 src/cull_list.cpp   | 25 ++++++++++++++++---------
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/include/cull_list.h b/include/cull_list.h
index bd2fb45da..2b3ed1391 100644
--- a/include/cull_list.h
+++ b/include/cull_list.h
@@ -21,12 +21,12 @@
  */
 class CoreExport CullList
 {
-	std::set<classbase*> list;
+	std::vector<classbase*> list;
 
  public:
 	/** Adds an item to the cull list
 	 */
-	void AddItem(classbase* item) { list.insert(item); }
+	void AddItem(classbase* item) { list.push_back(item); }
 
 	/** Applies the cull list (deletes the contents)
 	 */
diff --git a/src/cull_list.cpp b/src/cull_list.cpp
index c45dff46c..5715c3147 100644
--- a/src/cull_list.cpp
+++ b/src/cull_list.cpp
@@ -11,20 +11,27 @@
  * ---------------------------------------------------
  */
 
-/* $Core */
-
 #include "inspircd.h"
-#include "cull_list.h"
+#include <typeinfo>
 
 void CullList::Apply()
 {
-	std::vector<classbase*> todel(list.begin(), list.end());
-	list.clear();
-	for(std::vector<classbase*>::iterator i = todel.begin(); i != todel.end(); i++)
+	std::set<classbase*> gone;
+	for(unsigned int i=0; i < list.size(); i++)
 	{
-		classbase* c = *i;
-		c->cull();
-		delete c;
+		classbase* c = list[i];
+		if (gone.insert(c).second)
+		{
+			ServerInstance->Logs->Log("CULLLIST", DEBUG, "Deleting %s @%p", typeid(*c).name(),
+				(void*)c);
+			c->cull();
+			delete c;
+		}
+		else
+		{
+			ServerInstance->Logs->Log("CULLLIST",DEBUG, "WARNING: Object @%p culled twice!",
+				(void*)c);
+		}
 	}
 }
 
-- 
2.39.2