zx_status_ext/
lib.rs

1// Copyright 2026 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use std::io;
6use zx_status::Status;
7
8/// Extension trait for `zx_status::Status` to provide conversions to `std::io` types.
9pub trait StatusExt {
10    fn into_io_error(self) -> io::Error;
11    fn into_io_error_kind(self) -> io::ErrorKind;
12}
13
14impl StatusExt for Status {
15    fn into_io_error(self) -> io::Error {
16        io::Error::from(self.into_io_error_kind())
17    }
18
19    fn into_io_error_kind(self) -> io::ErrorKind {
20        use std::io::ErrorKind::*;
21        match self {
22            Status::INTERRUPTED_RETRY => Interrupted,
23            Status::BAD_HANDLE => BrokenPipe,
24            Status::TIMED_OUT => TimedOut,
25            Status::SHOULD_WAIT => WouldBlock,
26            Status::PEER_CLOSED => ConnectionAborted,
27            Status::NOT_FOUND => NotFound,
28            Status::ALREADY_EXISTS => AlreadyExists,
29            Status::ALREADY_BOUND => AlreadyExists,
30            Status::UNAVAILABLE => AddrNotAvailable,
31            Status::ACCESS_DENIED => PermissionDenied,
32            Status::IO_REFUSED => ConnectionRefused,
33            Status::IO_DATA_INTEGRITY => InvalidData,
34
35            Status::BAD_PATH | Status::INVALID_ARGS | Status::OUT_OF_RANGE | Status::WRONG_TYPE => {
36                InvalidInput
37            }
38
39            Status::NEXT
40            | Status::STOP
41            | Status::NO_SPACE
42            | Status::FILE_BIG
43            | Status::NOT_FILE
44            | Status::NOT_DIR
45            | Status::IO_DATA_LOSS
46            | Status::IO
47            | Status::CANCELED
48            | Status::BAD_STATE
49            | Status::BUFFER_TOO_SMALL
50            | Status::BAD_SYSCALL
51            | Status::INTERNAL
52            | Status::NOT_SUPPORTED
53            | Status::NO_RESOURCES
54            | Status::NO_MEMORY
55            | _ => Other,
56        }
57    }
58}
59
60/// Extension trait for `std::io::ErrorKind` to provide conversions to `zx_status::Status`.
61pub trait IoErrorKindExt {
62    fn to_status(self) -> Status;
63}
64
65impl IoErrorKindExt for io::ErrorKind {
66    fn to_status(self) -> Status {
67        use std::io::ErrorKind::*;
68        match self {
69            NotFound => Status::NOT_FOUND,
70            PermissionDenied => Status::ACCESS_DENIED,
71            ConnectionRefused => Status::IO_REFUSED,
72            ConnectionAborted => Status::PEER_CLOSED,
73            AddrInUse => Status::ALREADY_BOUND,
74            AddrNotAvailable => Status::UNAVAILABLE,
75            BrokenPipe => Status::PEER_CLOSED,
76            AlreadyExists => Status::ALREADY_EXISTS,
77            WouldBlock => Status::SHOULD_WAIT,
78            InvalidInput => Status::INVALID_ARGS,
79            TimedOut => Status::TIMED_OUT,
80            Interrupted => Status::INTERRUPTED_RETRY,
81            UnexpectedEof | WriteZero | ConnectionReset | NotConnected | Other | _ => Status::IO,
82        }
83    }
84}
zx_status_ext/lib.rs

zx_status_ext/
lib.rs
