DOTLAN EveMaps

#![no_std]
#![no_main]

use core::ptr::{null_mut, write_volatile};

#[repr(C)]
struct Contact {
pilot: *mut u8,
ship: *mut u8,
route: *mut u8,
reply: *mut u8,
witness: *mut u8,
body: *mut u8,
}

#[repr(C)]
struct Policy {
index: u8,
route: u8,
reply: u8,
return_: u8,
witness: u8,
recovery: u8,
}

static NAME: &[u8] = b"BLACK BOX SOCIETY\0";

static mut POLICY: Policy = Policy {
index: 0,
route: 0,
reply: 0,
return_: 0,
witness: 0,
recovery: 0,
};

static mut CONTACT: Contact = Contact {
pilot: null_mut(),
ship: null_mut(),
route: null_mut(),
reply: null_mut(),
witness: null_mut(),
body: null_mut(),
};

unsafe fn erase() {
write_volatile(&mut CONTACT.route, null_mut());
write_volatile(&mut CONTACT.reply, null_mut());
write_volatile(&mut CONTACT.witness, null_mut());
write_volatile(&mut CONTACT.body, null_mut());
}

unsafe fn check() {
if POLICY.index != 0 { core::hint::unreachable_unchecked(); }