CAP

pub const CAP = struct {
    pub const CHOWN = 0;
    pub const DAC_OVERRIDE = 1;
    pub const DAC_READ_SEARCH = 2;
    pub const FOWNER = 3;
    pub const FSETID = 4;
    pub const KILL = 5;
    pub const SETGID = 6;
    pub const SETUID = 7;
    pub const SETPCAP = 8;
    pub const LINUX_IMMUTABLE = 9;
    pub const NET_BIND_SERVICE = 10;
    pub const NET_BROADCAST = 11;
    pub const NET_ADMIN = 12;
    pub const NET_RAW = 13;
    pub const IPC_LOCK = 14;
    pub const IPC_OWNER = 15;
    pub const SYS_MODULE = 16;
    pub const SYS_RAWIO = 17;
    pub const SYS_CHROOT = 18;
    pub const SYS_PTRACE = 19;
    pub const SYS_PACCT = 20;
    pub const SYS_ADMIN = 21;
    pub const SYS_BOOT = 22;
    pub const SYS_NICE = 23;
    pub const SYS_RESOURCE = 24;
    pub const SYS_TIME = 25;
    pub const SYS_TTY_CONFIG = 26;
    pub const MKNOD = 27;
    pub const LEASE = 28;
    pub const AUDIT_WRITE = 29;
    pub const AUDIT_CONTROL = 30;
    pub const SETFCAP = 31;
    pub const MAC_OVERRIDE = 32;
    pub const MAC_ADMIN = 33;
    pub const SYSLOG = 34;
    pub const WAKE_ALARM = 35;
    pub const BLOCK_SUSPEND = 36;
    pub const AUDIT_READ = 37;
    pub const PERFMON = 38;
    pub const BPF = 39;
    pub const CHECKPOINT_RESTORE = 40;
    pub const LAST_CAP = CHECKPOINT_RESTORE;

    pub fn valid(x: u8) bool {
        return x >= 0 and x <= LAST_CAP;
    }

    pub fn TO_MASK(cap: u8) u32 {
        return @as(u32, 1) << @as(u5, @intCast(cap & 31));
    }

    pub fn TO_INDEX(cap: u8) u8 {
        return cap >> 5;
    }
}