1use crate::fs::Dev;
2
3#[inline]
4pub(crate) fn makedev(maj: u32, min: u32) -> Dev {
5 ((u64::from(maj) & 0xffff_f000_u64) << 32)
6 | ((u64::from(maj) & 0x0000_0fff_u64) << 8)
7 | ((u64::from(min) & 0xffff_ff00_u64) << 12)
8 | (u64::from(min) & 0x0000_00ff_u64)
9}
10
11#[inline]
12pub(crate) fn major(dev: Dev) -> u32 {
13 (((dev >> 31 >> 1) & 0xffff_f000) | ((dev >> 8) & 0x0000_0fff)) as u32
14}
15
16#[inline]
17pub(crate) fn minor(dev: Dev) -> u32 {
18 (((dev >> 12) & 0xffff_ff00) | (dev & 0x0000_00ff)) as u32
19}
20