From f8c0d2f05d294f99e64b1d06f6e796d3b7eb07d5 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sat, 11 Jun 2016 16:25:06 +0200
Subject: [PATCH] + fix possible crash when throw file exception

---
 src/Base/Exception.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Base/Exception.cpp b/src/Base/Exception.cpp
index e2fe30c60..abfd2de67 100644
--- a/src/Base/Exception.cpp
+++ b/src/Base/Exception.cpp
@@ -126,8 +126,10 @@ const char* XMLParseException::what() const throw()
 FileException::FileException(const char * sMessage, const char * sFileName)
   : Exception( sMessage ),file(sFileName)
 {
-    _sErrMsg += ": ";
-    _sErrMsg += sFileName;
+    if (sFileName) {
+        _sErrMsg += ": ";
+        _sErrMsg += sFileName;
+    }
 }
 
 FileException::FileException(const char * sMessage, const FileInfo& File)