redox/syscall/src/scheme.rs

30 lines
661 B
Rust

use core::ops::{Deref, DerefMut};
use core::{mem, slice};
#[derive(Copy, Clone, Debug, Default)]
#[repr(packed)]
pub struct Packet {
pub id: usize,
pub a: usize,
pub b: usize,
pub c: usize,
pub d: usize
}
impl Deref for Packet {
type Target = [u8];
fn deref(&self) -> &[u8] {
unsafe {
slice::from_raw_parts(self as *const Packet as *const u8, mem::size_of::<Packet>()) as &[u8]
}
}
}
impl DerefMut for Packet {
fn deref_mut(&mut self) -> &mut [u8] {
unsafe {
slice::from_raw_parts_mut(self as *mut Packet as *mut u8, mem::size_of::<Packet>()) as &mut [u8]
}
}
}