From f6800c805260a252f9328b29d84eb78de043b09b Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Fri, 12 Dec 2008 17:13:43 +0000
Subject: [PATCH] allow passing NULL to popstring() for InstallOptions and
 probably more plug-ins

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5831 212acab6-be3b-0410-9dea-997c60f758d6
---
 Contrib/ExDLL/plugin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Contrib/ExDLL/plugin.c b/Contrib/ExDLL/plugin.c
index 945aa166..ef60de6a 100644
--- a/Contrib/ExDLL/plugin.c
+++ b/Contrib/ExDLL/plugin.c
@@ -12,7 +12,7 @@ int NSISCALL popstring(char *str)
   stack_t *th;
   if (!g_stacktop || !*g_stacktop) return 1;
   th=(*g_stacktop);
-  lstrcpyA(str,th->text);
+  if (str) lstrcpyA(str,th->text);
   *g_stacktop = th->next;
   GlobalFree((HGLOBAL)th);
   return 0;