diff --git a/examples/osgunittests/osgunittests.cpp b/examples/osgunittests/osgunittests.cpp
index 2062964d7..0e0a80a6b 100644
--- a/examples/osgunittests/osgunittests.cpp
+++ b/examples/osgunittests/osgunittests.cpp
@@ -112,6 +112,10 @@ void sizeOfTest()
 #endif
   std::cout<<"sizeof(float)=="<<sizeof(float)<<std::endl;
   std::cout<<"sizeof(double)=="<<sizeof(double)<<std::endl;
+
+  std::cout<<"sizeof(std::istream::pos_type)=="<<sizeof(std::istream::pos_type)<<std::endl;
+  std::cout<<"sizeof(std::istream::off_type)=="<<sizeof(std::istream::off_type)<<std::endl;
+
 }
 
 
diff --git a/src/osgDB/Archive.cpp b/src/osgDB/Archive.cpp
index bab32777f..db90d89c6 100644
--- a/src/osgDB/Archive.cpp
+++ b/src/osgDB/Archive.cpp
@@ -246,7 +246,7 @@ bool Archive::open(const std::string& filename, ArchiveStatus status, unsigned i
             if (validArchive) 
             {
             
-                unsigned int endianTestWord;
+                unsigned int endianTestWord=0;
                 _input.read(reinterpret_cast<char*>(&endianTestWord),4);
                 bool doEndianSwap = (endianTestWord!=ENDIAN_TEST_NUMBER);
             
@@ -256,6 +256,9 @@ bool Archive::open(const std::string& filename, ArchiveStatus status, unsigned i
                     osg::swapBytes(reinterpret_cast<char*>(&_version),sizeof(_version));
                 }
                 
+                osg::notify(osg::NOTICE)<<"Archive::open() doEndianSwap="<<doEndianSwap<<std::endl;
+                osg::notify(osg::NOTICE)<<"Archive::open() Version="<<_version<<std::endl;
+                
                 IndexBlock *indexBlock = 0;
                 
                 while ( (indexBlock=Archive::IndexBlock::read(_input, doEndianSwap)) != 0)