| //! Implementation of `errno` functionality for RustyHermit. |
| //! |
| //! Currently, the error handling in RustyHermit isn't clearly |
| //! defined. At the current stage of RustyHermit, only a placeholder |
| //! is provided to be compatible to the classical errno interface. |
| |
| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| use crate::Errno; |
| |
| pub fn with_description<F, T>(_err: Errno, callback: F) -> T |
| where |
| F: FnOnce(Result<&str, Errno>) -> T, |
| { |
| callback(Ok("unknown error")) |
| } |
| |
| pub const STRERROR_NAME: &str = "strerror_r"; |
| |
| pub fn errno() -> Errno { |
| Errno(0) |
| } |
| |
| pub fn set_errno(_: Errno) {} |