thin-provisioning-tools/src/cache/hint.rs
2021-05-11 23:53:31 +08:00

30 lines
519 B
Rust

use nom::IResult;
use std::convert::TryInto;
use crate::pdata::unpack::*;
//------------------------------------------
#[derive(Clone, Copy)]
pub struct Hint {
pub hint: [u8; 4],
}
impl Unpack for Hint {
fn disk_size() -> u32 {
4
}
fn unpack(i: &[u8]) -> IResult<&[u8], Hint> {
let size = 4;
Ok((
&i[size..],
Hint {
hint: i[0..size].try_into().unwrap(),
},
))
}
}
//------------------------------------------