Function copy_bytes

api/src/vfs/dev/event.rs:115–119

(src: &[u8], dst: &mut [u8])

}

fn copy_bytes(src: &[u8], dst: &mut [u8]) -> usize {
    let len = src.len().min(dst.len());
    dst[..len].copy_from_slice(&src[..len]);
    len
}

fn return_str(arg: usize, size: usize, s: &str) -> AxResult<usize> {
    let slice = UserPtr::<u8>::from(arg).get_as_mut_slice(size)?;