}
ret = wimlib_add_image(w, source, name,
- config_str ? config_str : default_capture_config,
- config_len, add_image_flags,
- imagex_progress_func);
+ (config_str ? config_str : default_capture_config),
+ (config_str ? config_len : strlen(default_capture_config)),
+ add_image_flags, imagex_progress_func);
if (ret != 0)
goto out;