Function SecureDownloadUpdateWithData 

pub unsafe extern "C-unwind" fn SecureDownloadUpdateWithData(
    download_ref: SecureDownloadRef,
    data: Option<&CFData>,
) -> i32

👎Deprecated: SecureDownload is not supported

Available on crate feature SecureDownload only.

Check data received during Secure Download for validity. Call this function each time data is received.

Parameter downloadRef: A SecureDownloadRef instance.

Parameter data: The data to check.

Returns: Returns errSecureDownloadInvalidDownload if data is invalid. Otherwise see “Security Error Codes” (SecBase.h).

Safety

• download_ref must be a valid pointer.
• data might not allow None.