| // Copyright 2018 Developers of the Rand project. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // https://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| extern crate std; |
| |
| use crate::{error::UNKNOWN_IO_ERROR, Error}; |
| use core::convert::From; |
| use core::num::NonZeroU32; |
| use std::io; |
| |
| impl From<io::Error> for Error { |
| fn from(err: io::Error) -> Self { |
| if let Some(errno) = err.raw_os_error() { |
| if let Some(code) = NonZeroU32::new(errno as u32) { |
| return Error::from(code); |
| } |
| } |
| UNKNOWN_IO_ERROR |
| } |
| } |
| |
| impl From<Error> for io::Error { |
| fn from(err: Error) -> Self { |
| match err.raw_os_error() { |
| Some(errno) => io::Error::from_raw_os_error(errno), |
| None => io::Error::new(io::ErrorKind::Other, err), |
| } |
| } |
| } |
| |
| impl std::error::Error for Error {} |