diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index c45bb4a..71ac621 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -30,6 +30,72 @@
 #   include <cstddef>
 #endif
 
+#if defined(_MSC_VER) && (_MSC_VER >= 1400 ) && (!defined WINCE)
+	// Microsoft visual studio, version 2005 and higher. Not WinCE.
+	/*int _snprintf_s(
+	   char *buffer,
+	   size_t sizeOfBuffer,
+	   size_t count,
+	   const char *format [,
+		  argument] ...
+	);*/
+	inline int TIXML_SNPRINTF( char* buffer, size_t size, const char* format, ... )
+	{
+		va_list va;
+		va_start( va, format );
+		int result = vsnprintf_s( buffer, size, _TRUNCATE, format, va );
+		va_end( va );
+		return result;
+	}
+
+	inline int TIXML_VSNPRINTF( char* buffer, size_t size, const char* format, va_list va )
+	{
+		int result = vsnprintf_s( buffer, size, _TRUNCATE, format, va );
+		return result;
+	}
+
+	#define TIXML_VSCPRINTF	_vscprintf
+	#define TIXML_SSCANF	sscanf_s
+#elif defined _MSC_VER
+	// Microsoft Visual Studio 2003 and earlier or WinCE
+	#define TIXML_SNPRINTF	_snprintf
+	#define TIXML_VSNPRINTF _vsnprintf
+	#define TIXML_SSCANF	sscanf
+	#if (_MSC_VER == 1300 ) && (!defined WINCE)
+		// Microsoft Visual Studio 2003 and not WinCE.
+		#define TIXML_VSCPRINTF   _vscprintf // VS2003's C runtime has this, but VC6 C runtime or WinCE SDK doesn't have.
+	#else
+		// Microsoft Visual Studio 2003 and earlier or WinCE.
+		inline int TIXML_VSCPRINTF( const char* format, va_list va )
+		{
+			int len = 512;
+			for (;;) {
+				len = len*2;
+				char* str = new char[len]();
+				const int required = _vsnprintf(str, len, format, va);
+				delete[] str;
+				if ( required != -1 ) {
+					len = required;
+					break;
+				}
+			}
+			return len;
+		}
+	#endif
+#else
+	// GCC version 3 and higher
+	//#warning( "Using sn* functions." )
+	#define TIXML_SNPRINTF	snprintf
+	#define TIXML_VSNPRINTF	vsnprintf
+	inline int TIXML_VSCPRINTF( const char* format, va_list va )
+	{
+		int len = vsnprintf( 0, 0, format, va );
+		return len;
+	}
+	#define TIXML_SSCANF   sscanf
+#endif
+
+
 static const char LINE_FEED				= (char)0x0a;			// all line endings are normalized to LF
 static const char LF = LINE_FEED;
 static const char CARRIAGE_RETURN		= (char)0x0d;			// CR gets filtered out