From 9a75eca79fb27d169a9b130e7a6349d398cf6da4 Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Fri, 22 Dec 2006 12:47:03 +0000
Subject: [PATCH] fixed bug #1620178 - System::Store l crash installer when
 private stack is empty

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4845 212acab6-be3b-0410-9dea-997c60f758d6
---
 Contrib/System/Source/Buffers.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Contrib/System/Source/Buffers.c b/Contrib/System/Source/Buffers.c
index f698e352..2f7e8e90 100644
--- a/Contrib/System/Source/Buffers.c
+++ b/Contrib/System/Source/Buffers.c
@@ -84,6 +84,8 @@ PLUGINFUNCTION(Store)
             break;
         case 'l':
         case 'L':
+            if (tempstack == NULL) break;
+
             // Fill with data
             copymem(g_variables, tempstack->Data, size);