Patch for Visual Studio 2003 and earlier.

This patch will be easy to extend in the future.

tinyxml2.cpp

@@ -2038,39 +2038,13 @@ void XMLPrinter::Print( const char* format, ... )
         vfprintf( _fp, format, va );
     }
     else {
-#if defined(_MSC_VER) && (_MSC_VER >= 1400 )
-		#if defined(WINCE)
-		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;
-            }
-        }
-		#else
-        int len = _vscprintf( format, va );
-		#endif
-#else
-        int len = vsnprintf( 0, 0, format, va );
-#endif
+        int len = TIXML_VSCPRINTF( format, va );
         // Close out and re-start the va-args
         va_end( va );
         va_start( va, format );
         TIXMLASSERT( _buffer.Size() > 0 && _buffer[_buffer.Size() - 1] == 0 );
         char* p = _buffer.PushArr( len ) - 1;	// back up over the null terminator.
-#if defined(_MSC_VER) && (_MSC_VER >= 1400 )
-		#if defined(WINCE)
-		_vsnprintf( p, len+1, format, va );
-		#else
-		vsnprintf_s( p, len+1, _TRUNCATE, format, va );
-		#endif
-#else
-		vsnprintf( p, len+1, format, va );
-#endif
+		TIXML_VSNPRINTF( p, len+1, format, va );
     }
     va_end( va );
 }

tinyxml2.h

@@ -92,31 +92,66 @@ distribution.
 
 
 #if defined(_MSC_VER) && (_MSC_VER >= 1400 ) && (!defined WINCE)
-// Microsoft visual studio, version 2005 and higher.
-/*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;
-}
-#define TIXML_SSCANF   sscanf_s
-#elif defined WINCE
-#define TIXML_SNPRINTF _snprintf
-#define TIXML_SSCANF   sscanf
+	// 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_SSCANF   sscanf
+	// 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
 
 /* Versioning, past 1.0.14: