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use crate::Error; use nix::errno::{Errno, ErrnoSentinel}; use std::result; /// Joydev Result type pub type Result<T> = result::Result<T, Error>; pub(crate) fn convert_ioctl_result<S: ErrnoSentinel + PartialEq<S>>(value: S) -> Result<S> { if value == S::sentinel() { Err(Error::Sys(Errno::last())) } else { Ok(value) } }