From 6792f10afa0c454c616767cd5a8546e86800a099 Mon Sep 17 00:00:00 2001
From: "warren%netscape.com"
 <warren%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 28 Jul 1999 08:27:38 +0000
Subject: [PATCH] Fully initialized arena so that it won't fail in destructor
 without first calling Init.

git-svn-id: svn://10.0.0.236/trunk@41455 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/xpcom/ds/nsArena.cpp | 6 ++++++
 mozilla/xpcom/ds/nsArena.h   | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/mozilla/xpcom/ds/nsArena.cpp b/mozilla/xpcom/ds/nsArena.cpp
index e1b3c6a0fca..b5018d38469 100644
--- a/mozilla/xpcom/ds/nsArena.cpp
+++ b/mozilla/xpcom/ds/nsArena.cpp
@@ -19,6 +19,12 @@
 #include "nsArena.h"
 #include "nsCRT.h"
 
+ArenaImpl::ArenaImpl(void)
+{
+  NS_INIT_REFCNT();
+  nsCRT::memset(&mPool, 0, sizeof(PLArenaPool));
+}
+
 NS_IMETHODIMP
 ArenaImpl::Init(PRUint32 aBlockSize)
 {
diff --git a/mozilla/xpcom/ds/nsArena.h b/mozilla/xpcom/ds/nsArena.h
index 7a7443915bd..b69f4e4a4d6 100644
--- a/mozilla/xpcom/ds/nsArena.h
+++ b/mozilla/xpcom/ds/nsArena.h
@@ -27,7 +27,7 @@
 // Simple arena implementation layered on plarena
 class ArenaImpl : public nsIArena {
 public:
-  ArenaImpl(void) { NS_INIT_REFCNT(); }
+  ArenaImpl(void);
   virtual ~ArenaImpl();
 
   NS_DECL_ISUPPORTS