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//! NT Status codes.
#![allow(non_camel_case_types)]
#![allow(overflowing_literals)]
/// NT Status type.
pub type NTSTATUS = Status;
/// A specialized `Result` type for NT operations.
pub type Result<T> = ::core::result::Result<T, Status>;
/// NT Status code.
#[repr(C)]
#[derive(Clone, Copy)]
pub enum Status {
success = 0,
unsuccessful = 0xC0000001,
}
impl ::core::default::Default for Status {
#[inline]
fn default() -> Status {
Status::success
}
}
impl Status {
/// Evaluates to `true` if the `Status` is a success type (`0..0x3FFFFFFF`)
/// or an informational type (`0x40000000..0x7FFFFFFF`).
pub fn is_ok(&self) -> bool {
(*self as i32) >= 0
}
/// Status is a warning or error type.
pub fn is_err(&self) -> bool {
(*self as i32) < 0
}
/// Status is a success type.
pub fn is_success(&self) -> bool {
let c = *self as u32;
c > 0 && c < 0x3FFF_FFFF
}
/// Status is a information type.
pub fn is_information(&self) -> bool {
let c = *self as u32;
c > 0x4000_0000 && c < 0x7FFF_FFFF
}
/// Status is a warning type.
pub fn is_warning(&self) -> bool {
let c = *self as u32;
c > 0x8000_0000 && c < 0xBFFF_FFFF
}
/// Status is a error type.
pub fn is_error(&self) -> bool {
let c = *self as u32;
c > 0xC000_0000 && c < 0xFFFF_FFFF
}
}
/// Convert `Status` to `Result<()>`.
pub fn check(st: Status) -> Result<()> {
if st.is_err() {
Err(st)
} else {
Ok(())
}
}
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