From 110d053f8c7cf704a2ef642cb092ed76a8d54b0d Mon Sep 17 00:00:00 2001
From: w00t <w00t@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Mon, 19 May 2008 10:27:34 +0000
Subject: Some logging/preventative code for Jason's issue.. it shouldn't crash
 now (fingers crossed) if it tries to do something naughty, but it will log
 about it instead. I know this is buttfucked code, but it's highly temporary.

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@9762 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/cull_list.cpp | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

diff --git a/src/cull_list.cpp b/src/cull_list.cpp
index 26f3b4e43..77451b47b 100644
--- a/src/cull_list.cpp
+++ b/src/cull_list.cpp
@@ -117,18 +117,45 @@ int CullList::Apply()
 			u->AddToWhoWas();
 		}
 
+		bool deleteu = true;
+
 		if (iter != ServerInstance->Users->clientlist->end())
 		{
-			if (IS_LOCAL(u))
+			ServerInstance->Users->clientlist->erase(iter);
+		}
+		else
+		{
+			/*
+			 * Trying to track down Jason's issue.. this should never happen obviously.
+			 */
+			ServerInstance->Logs->Log("CULLLIST", DEBUG, "iter == clientlist->end, can't remove them from hash... problematic?");
+//			deleteu = false;
+// actually, delete them anyway.. the local vector is the real problem here
+		}
+
+		if (IS_LOCAL(u))
+		{
+			std::vector<User*>::iterator x = find(ServerInstance->Users->local_users.begin(),ServerInstance->Users->local_users.end(),u);
+			if (x != ServerInstance->Users->local_users.end())
+				ServerInstance->Users->local_users.erase(x);
+			else
 			{
-				std::vector<User*>::iterator x = find(ServerInstance->Users->local_users.begin(),ServerInstance->Users->local_users.end(),u);
-				if (x != ServerInstance->Users->local_users.end())
-					ServerInstance->Users->local_users.erase(x);
+				/*
+				 * This code is in here to monitor an issue of Jason's, where it seems to be trying to quit already quit users.
+				 * The only way that can happen is if this find fails, so log it just in case.
+				 * Also, (perhaps incorrectly, but oh well), return here so we don't delete the user and then start trampling
+				 * on deleted memory, which leads to big problems..
+				 */
+				ServerInstance->Logs->Log("CULLLIST", DEBUG, "Failed to remove user from vector, we're all gonna die!!! Not deleting the user to save our sanity");
+				deleteu = false;
 			}
-			ServerInstance->Users->clientlist->erase(iter);
 		}
 
-		delete u;
+		if (deleteu)
+		{
+			delete u;
+		}
+
 		list.erase(list.begin());
 	}
 
-- 
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