added win32 checks for vsnprintf which is _vsnprintf on windows

svn path=/trunk/matplotlib/; revision=3696

Author: cmoad

ttconv/ttutil.cpp

@@ -32,10 +32,18 @@ void TTStreamWriter::printf(const char* format, ...)
   va_start(arg_list, format);
   char buffer[PRINTF_BUFFER_SIZE];
 
+#ifdef WIN32
+  int size = _vsnprintf(buffer, PRINTF_BUFFER_SIZE, format, arg_list);
+#else
   int size = vsnprintf(buffer, PRINTF_BUFFER_SIZE, format, arg_list);
+#endif
   if (size >= PRINTF_BUFFER_SIZE) {
     char* buffer2 = (char*)malloc(size);
+#ifdef WIN32
+    _vsnprintf(buffer2, size, format, arg_list);
+#else
     vsnprintf(buffer2, size, format, arg_list);
+#endif
     free(buffer2);
   } else {
     this->write(buffer);