mirror of
https://github.com/edera-dev/krata.git
synced 2025-08-03 13:11:31 +00:00
22 lines
564 B
Rust
22 lines
564 B
Rust
use crate::error::{Error, Result};
|
|
|
|
pub fn vbd_blkidx_to_disk_name(blkid: u32) -> Result<String> {
|
|
let mut name = "xvd".to_string();
|
|
let mut suffix = String::new();
|
|
let mut n = blkid;
|
|
loop {
|
|
let c = (n % 26) as u8;
|
|
let c = b'a' + c;
|
|
let c = char::from_u32(c as u32).ok_or(Error::InvalidBlockIdx)?;
|
|
suffix.push(c);
|
|
if n >= 26 {
|
|
n = (n / 26) - 1;
|
|
continue;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
name.push_str(&suffix.chars().rev().collect::<String>());
|
|
Ok(name)
|
|
}
|