New command -data_cache_size

xorriso/iso_img.c

@@ -95,6 +95,7 @@ int Xorriso_create_empty_iso(struct XorrisO *xorriso, int flag)
  /* Note: no return before isoburn_ropt_destroy() */
  isoburn_ropt_set_extensions(ropts, isoburn_ropt_pretend_blank);
  isoburn_ropt_set_input_charset(ropts, xorriso->in_charset);
+ isoburn_ropt_set_data_cache(ropts, 1, 1, 0);
  isoburn_set_read_pacifier(drive, NULL, NULL);
  ret= isoburn_read_image(drive, ropts, &volset);
  Xorriso_process_msg_queues(xorriso,0);