fn invoke_command()

in projects/web3/eth_wallet/ta/src/main.rs [144:167]

• 22 lines of code
• 1 McCabe index (conditional complexity)

fn invoke_command(cmd_id: u32, params: &mut Parameters) -> optee_utee::Result<()> {
    dbg_println!("[+] TA invoke command");
    let mut p0 = unsafe { params.0.as_memref()? };
    let mut p1 = unsafe { params.1.as_memref()? };
    let mut p2 = unsafe { params.2.as_value()? };

    let output_vec = match handle_invoke(Command::from(cmd_id), p0.buffer()) {
        Ok(output) => output,
        Err(e) => {
            let err_message = format!("{:?}", e).as_bytes().to_vec();
            p1.buffer()
                .write(&err_message)
                .map_err(|_| Error::new(ErrorKind::BadState))?;
            p2.set_a(err_message.len() as u32);
            return Err(Error::new(ErrorKind::BadParameters));
        }
    };
    p1.buffer()
        .write(&output_vec)
        .map_err(|_| Error::new(ErrorKind::BadState))?;
    p2.set_a(output_vec.len() as u32);

    Ok(())
}