fn allocate()

in optee-utee/src/crypto_op.rs [179:192]

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

    fn allocate(algo: AlgorithmId, mode: OperationMode, max_key_size: usize) -> Result<Self> {
        let raw_handle: *mut raw::TEE_OperationHandle = Box::into_raw(Box::new(ptr::null_mut()));
        match unsafe {
            raw::TEE_AllocateOperation(
                raw_handle as *mut _,
                algo as u32,
                mode as u32,
                max_key_size as u32,
            )
        } {
            raw::TEE_SUCCESS => Ok(Self::from_raw(raw_handle)),
            code => Err(Error::from_raw_error(code)),
        }
    }