--- boost/filesystem/path.hpp	2004-08-26 23:55:47.000000000 +0800
+++ boost/filesystem/path.hpp	2005-01-20 15:09:14.000000000 +0800
@@ -161,6 +161,8 @@
     BOOST_FILESYSTEM_DECL bool portable_file_name( const std::string & name );
     BOOST_FILESYSTEM_DECL bool no_check( const std::string & name );   // always returns true
     BOOST_FILESYSTEM_DECL bool native( const std::string & name );
+	typedef bool (*my_name_check)( const std::string & name );
+	    BOOST_FILESYSTEM_DECL my_name_check get_native();
       // native(name) must return true for any name which MIGHT be valid
       // on the native platform.
 
--- libs/filesystem/src/path_posix_windows.cpp	2004-11-12 09:34:49.000000000 +0800
+++ libs/filesystem/src/path_posix_windows.cpp	2005-07-20 16:33:36.000000000 +0800
@@ -144,6 +144,7 @@
       return true;
     }
 #   endif
+    BOOST_FILESYSTEM_DECL my_name_check get_native() { return native; }
 
     BOOST_FILESYSTEM_DECL bool no_check( const std::string & ) { return true; }