From d4efa5f81caf87a3ac170c5a4a1aa1fe78520f4d Mon Sep 17 00:00:00 2001
From: KWSys Robot <kwrobot@kitware.com>
Date: Sat, 21 Dec 2013 16:58:02 -0700
Subject: [PATCH] KWSys 2013-12-21 (e81f2a9e)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ e81f2a9e | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' 2426b57d..e81f2a9e
Clinton Stimpson (1):
      e81f2a9e FStream: Fix opening non-existant file.

Change-Id: I1f79e6671de7733d1b8e8a34ce627749c2f666b7
---
 CMakeLists.txt  |  5 +++++
 FStream.hxx.in  |  5 +++--
 testFStream.cxx | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 testFStream.cxx

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c2b377df1..736e30afa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1133,6 +1133,11 @@ IF(KWSYS_STANDALONE OR CMake_SOURCE_DIR)
         testEncoding
         )
     ENDIF(KWSYS_STL_HAS_WSTRING)
+    IF(KWSYS_USE_FStream)
+      SET(KWSYS_CXX_TESTS ${KWSYS_CXX_TESTS}
+        testFStream
+        )
+    ENDIF(KWSYS_USE_FStream)
     IF(KWSYS_USE_SystemInformation)
       SET(KWSYS_CXX_TESTS ${KWSYS_CXX_TESTS} testSystemInformation)
     ENDIF(KWSYS_USE_SystemInformation)
diff --git a/FStream.hxx.in b/FStream.hxx.in
index c340c55a3..916a93eba 100644
--- a/FStream.hxx.in
+++ b/FStream.hxx.in
@@ -25,8 +25,9 @@ namespace @KWSYS_NAMESPACE@
       typedef std::basic_filebuf<CharType,Traits> my_base_type;
       basic_filebuf *open(char const *s,std::ios_base::openmode mode)
       {
-        my_base_type::open(Encoding::ToWide(s).c_str(), mode);
-        return this;
+        return static_cast<basic_filebuf*>(
+          my_base_type::open(Encoding::ToWide(s).c_str(), mode)
+          );
       }
   };
 
diff --git a/testFStream.cxx b/testFStream.cxx
new file mode 100644
index 000000000..89425490b
--- /dev/null
+++ b/testFStream.cxx
@@ -0,0 +1,48 @@
+/*============================================================================
+  KWSys - Kitware System Library
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#include "kwsysPrivate.h"
+
+#if defined(_MSC_VER)
+# pragma warning (disable:4786)
+#endif
+
+#include KWSYS_HEADER(FStream.hxx)
+
+// Work-around CMake dependency scanning limitation.  This must
+// duplicate the above list of headers.
+#if 0
+# include "FStream.hxx.in"
+#endif
+
+
+//----------------------------------------------------------------------------
+static int testNoFile()
+{
+  kwsys::ifstream in_file("NoSuchFile.txt");
+  if(in_file)
+    {
+    return 1;
+    }
+
+  return 0;
+}
+
+
+//----------------------------------------------------------------------------
+int testFStream(int, char*[])
+{
+  int ret = 0;
+
+  ret |= testNoFile();
+
+  return ret;
+}