use {
fnv::FnvHashMap,
once_cell::sync::Lazy,
std::sync::Mutex,
};
pub fn supported() -> bool {
true
}
pub fn user_name(uid: u32) -> String {
static USERS_CACHE_MUTEX: Lazy<Mutex<FnvHashMap<u32, String>>> = Lazy::new(|| {
Mutex::new(FnvHashMap::default())
});
let mut users_cache = USERS_CACHE_MUTEX.lock().unwrap();
let name = users_cache
.entry(uid)
.or_insert_with(|| {
uzers::get_user_by_uid(uid).map_or_else(
|| "????".to_string(),
|u| u.name().to_string_lossy().to_string(),
)
});
(*name).to_string()
}
pub fn group_name(gid: u32) -> String {
static GROUPS_CACHE_MUTEX: Lazy<Mutex<FnvHashMap<u32, String>>> = Lazy::new(|| {
Mutex::new(FnvHashMap::default())
});
let mut groups_cache = GROUPS_CACHE_MUTEX.lock().unwrap();
let name = groups_cache
.entry(gid)
.or_insert_with(|| {
uzers::get_group_by_gid(gid).map_or_else(
|| "????".to_string(),
|u| u.name().to_string_lossy().to_string(),
)
});
(*name).to_string()
}