From f2ac6cac039be1a8200386cecf24283bc75692d3 Mon Sep 17 00:00:00 2001
From: Andrzej Rybczak <electricityispower@gmail.com>
Date: Tue, 14 Sep 2010 23:09:48 +0200
Subject: [PATCH] menu: fix null pointer dereference in
 Menu::ReverseSelection()

---
 src/menu.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/menu.h b/src/menu.h
index 123adb33..5925d9e1 100644
--- a/src/menu.h
+++ b/src/menu.h
@@ -1000,7 +1000,8 @@ template <typename T> void NCurses::Menu<T>::ReverseSelection(size_t beginning)
 {
 	option_iterator it = itsOptionsPtr->begin()+beginning;
 	for (size_t i = beginning; i < Size(); ++i, ++it)
-		(*it)->isSelected = !(*it)->isSelected && !(*it)->isStatic;
+		if (*it)
+			(*it)->isSelected = !(*it)->isSelected && !(*it)->isStatic;
 }
 
 template <typename T> bool NCurses::Menu<T>::Search(const std::string &constraint, size_t beginning, int flags)