From 713eb87472c626cf1a069f9ffc04c08bfcf13840 Mon Sep 17 00:00:00 2001
From: dockes <none@none>
Date: Wed, 28 Jan 2009 17:41:31 +0000
Subject: [PATCH] erase history would crash with empty reslist docsource

---
 src/qtgui/rclmain_w.cpp | 6 ++++--
 src/qtgui/reslist.cpp   | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/qtgui/rclmain_w.cpp b/src/qtgui/rclmain_w.cpp
index cc69095f..7a37146d 100644
--- a/src/qtgui/rclmain_w.cpp
+++ b/src/qtgui/rclmain_w.cpp
@@ -1062,10 +1062,12 @@ void RclMain::showDocHistory()
 void RclMain::eraseDocHistory()
 {
     // Clear file storage
-    g_dynconf->eraseAll(RclHistory::docSubkey);
+    if (g_dynconf)
+	g_dynconf->eraseAll(RclHistory::docSubkey);
     // Clear possibly displayed history
-    if (resList->displayingHistory())
+    if (resList->displayingHistory()) {
 	showDocHistory();
+    }
 }
 
 // Called when the uiprefs dialog is ok'd
diff --git a/src/qtgui/reslist.cpp b/src/qtgui/reslist.cpp
index 4e5d372f..d5917feb 100644
--- a/src/qtgui/reslist.cpp
+++ b/src/qtgui/reslist.cpp
@@ -178,6 +178,8 @@ bool ResList::displayingHistory()
     // We want to reset the displayed history if it is currently
     // shown. Using the title value is an ugly hack
     string htstring = string((const char *)tr("Document history").utf8());
+    if (m_docSource.isNull() || m_docSource->title().empty())
+	return false;
     return m_docSource->title().find(htstring) == 0;
 }