diff options
Diffstat (limited to 'vendor/errno-0.2.8')
| -rw-r--r-- | vendor/errno-0.2.8/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/CHANGELOG.md | 9 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/Cargo.toml | 35 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/LICENSE-APACHE | 201 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/LICENSE-MIT | 25 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/README.md | 38 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/src/hermit.rs | 32 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/src/lib.rs | 151 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/src/unix.rs | 79 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/src/wasi.rs | 65 | ||||
| -rw-r--r-- | vendor/errno-0.2.8/src/windows.rs | 70 |
11 files changed, 706 insertions, 0 deletions
diff --git a/vendor/errno-0.2.8/.cargo-checksum.json b/vendor/errno-0.2.8/.cargo-checksum.json new file mode 100644 index 000000000..e902c4f19 --- /dev/null +++ b/vendor/errno-0.2.8/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"CHANGELOG.md":"4117e53ffe976635cceec0945cb500f5da2d7a5d54e360477d625e8382b585df","Cargo.toml":"8a810e953a0ae35ef3813fa470bb02d6315dee5020a81ba50319c23ce276c6c5","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"8764a597675778ddfd4e25f81b08a05dbcf089ac05662df7613fe67f150e3aa2","README.md":"057f18de8b228ec7980ad3c30782158022b429013a849ae9faf641187a7c9722","src/hermit.rs":"79bf2148c39260b9f8c4859a5dc805905bf1f6e56cb1cf3c1954e38563fe5091","src/lib.rs":"8aac3a13cf7a85d5b6bc0945a0614a2413abac92e66e289531dca5288a3e6fdd","src/unix.rs":"09cd79b198b5cdb1fe6db9be4a0ef5f7cb8ee217ec4a1aa4fdcb20fc3bfb8d6c","src/wasi.rs":"0443c1e5c0552140458c31cdf8d0647a4c164f0206a25f1d002bd4abbebe9c02","src/windows.rs":"c32c74e663b9b81f1df9ee3c4776269f4210bce0b49ed3237b9ae10db259170b"},"package":"f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"}
\ No newline at end of file diff --git a/vendor/errno-0.2.8/CHANGELOG.md b/vendor/errno-0.2.8/CHANGELOG.md new file mode 100644 index 000000000..68fddd2d4 --- /dev/null +++ b/vendor/errno-0.2.8/CHANGELOG.md @@ -0,0 +1,9 @@ +# [Unreleased] + +# [0.2.8] - 2021-10-27 + +- Optionally support no_std + [#31](https://github.com/lambda-fairy/rust-errno/pull/31) + +[Unreleased]: https://github.com/lambda-fairy/rust-errno/compare/v0.2.8...HEAD +[0.2.8]: https://github.com/lambda-fairy/rust-errno/compare/v0.2.7...v0.2.8 diff --git a/vendor/errno-0.2.8/Cargo.toml b/vendor/errno-0.2.8/Cargo.toml new file mode 100644 index 000000000..2349617b0 --- /dev/null +++ b/vendor/errno-0.2.8/Cargo.toml @@ -0,0 +1,35 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies. +# +# If you are reading this file be aware that the original Cargo.toml +# will likely look very different (and much more reasonable). +# See Cargo.toml.orig for the original contents. + +[package] +name = "errno" +version = "0.2.8" +authors = ["Chris Wong <lambda.fairy@gmail.com>"] +description = "Cross-platform interface to the `errno` variable." +documentation = "https://docs.rs/errno" +categories = ["os"] +license = "MIT/Apache-2.0" +repository = "https://github.com/lambda-fairy/rust-errno" + +[features] +default = ["std"] +std = [] +[target."cfg(target_os=\"dragonfly\")".dependencies.errno-dragonfly] +version = "0.1.1" +[target."cfg(target_os=\"hermit\")".dependencies.libc] +version = "0.2" +[target."cfg(target_os=\"wasi\")".dependencies.libc] +version = "0.2" +[target."cfg(unix)".dependencies.libc] +version = "0.2" +[target."cfg(windows)".dependencies.winapi] +version = "0.3" +features = ["errhandlingapi", "minwindef", "ntdef", "winbase"] diff --git a/vendor/errno-0.2.8/LICENSE-APACHE b/vendor/errno-0.2.8/LICENSE-APACHE new file mode 100644 index 000000000..16fe87b06 --- /dev/null +++ b/vendor/errno-0.2.8/LICENSE-APACHE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + +Copyright [yyyy] [name of copyright owner] + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/vendor/errno-0.2.8/LICENSE-MIT b/vendor/errno-0.2.8/LICENSE-MIT new file mode 100644 index 000000000..66b6578d3 --- /dev/null +++ b/vendor/errno-0.2.8/LICENSE-MIT @@ -0,0 +1,25 @@ +Copyright (c) 2014 Chris Wong + +Permission is hereby granted, free of charge, to any +person obtaining a copy of this software and associated +documentation files (the "Software"), to deal in the +Software without restriction, including without +limitation the rights to use, copy, modify, merge, +publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software +is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice +shall be included in all copies or substantial portions +of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF +ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED +TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A +PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT +SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. diff --git a/vendor/errno-0.2.8/README.md b/vendor/errno-0.2.8/README.md new file mode 100644 index 000000000..a4762a7d0 --- /dev/null +++ b/vendor/errno-0.2.8/README.md @@ -0,0 +1,38 @@ +# errno [](https://github.com/lambda-fairy/rust-errno/actions/workflows/main.yml) [](https://crates.io/crates/errno) + +Cross-platform interface to the [`errno`][errno] variable. Works on Rust 1.13 or newer. + +Documentation is available at <https://docs.rs/errno>. + +[errno]: https://en.wikipedia.org/wiki/Errno.h + + +## Dependency + +Add to your `Cargo.toml`: + +```toml +[dependencies] +errno = "*" +libc = "*" +``` + + +## Examples + +```rust +extern crate errno; +use errno::{Errno, errno, set_errno}; + +// Get the current value of errno +let e = errno(); + +// Set the current value of errno +set_errno(e); + +// Extract the error code as an i32 +let code = e.0; + +// Display a human-friendly error message +println!("Error {}: {}", code, e); +``` diff --git a/vendor/errno-0.2.8/src/hermit.rs b/vendor/errno-0.2.8/src/hermit.rs new file mode 100644 index 000000000..d14a6c88f --- /dev/null +++ b/vendor/errno-0.2.8/src/hermit.rs @@ -0,0 +1,32 @@ +//! 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 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: &'static str = "strerror_r"; + +pub fn errno() -> Errno { + Errno(0) +} + +pub fn set_errno(_: Errno) { +} diff --git a/vendor/errno-0.2.8/src/lib.rs b/vendor/errno-0.2.8/src/lib.rs new file mode 100644 index 000000000..b3a1dcb1a --- /dev/null +++ b/vendor/errno-0.2.8/src/lib.rs @@ -0,0 +1,151 @@ +//! Cross-platform interface to the `errno` variable. +//! +//! # Examples +//! ``` +//! use errno::{Errno, errno, set_errno}; +//! +//! // Get the current value of errno +//! let e = errno(); +//! +//! // Set the current value of errno +//! set_errno(e); +//! +//! // Extract the error code as an i32 +//! let code = e.0; +//! +//! // Display a human-friendly error message +//! println!("Error {}: {}", code, e); +//! ``` + +#![cfg_attr(target_os = "wasi", feature(thread_local))] +#![cfg_attr(not(feature = "std"), no_std)] + +#[cfg(unix)] extern crate libc; +#[cfg(windows)] extern crate winapi; +#[cfg(target_os = "dragonfly")] extern crate errno_dragonfly; +#[cfg(target_os = "wasi")] extern crate libc; +#[cfg(target_os = "hermit")] extern crate libc; + +#[cfg_attr(unix, path = "unix.rs")] +#[cfg_attr(windows, path = "windows.rs")] +#[cfg_attr(target_os = "wasi", path = "wasi.rs")] +#[cfg_attr(target_os = "hermit", path = "hermit.rs")] +mod sys; + +#[cfg(feature = "std")] +use std::fmt; +#[cfg(feature = "std")] +use std::io; +#[cfg(feature = "std")] +use std::error::Error; + +/// Wraps a platform-specific error code. +/// +/// The `Display` instance maps the code to a human-readable string. It +/// calls [`strerror_r`][1] under POSIX, and [`FormatMessageW`][2] on +/// Windows. +/// +/// [1]: http://pubs.opengroup.org/onlinepubs/009695399/functions/strerror.html +/// [2]: https://msdn.microsoft.com/en-us/library/windows/desktop/ms679351%28v=vs.85%29.aspx +#[derive(Copy, Clone, Eq, Ord, PartialEq, PartialOrd, Hash)] +pub struct Errno(pub i32); + +#[cfg(feature = "std")] +impl fmt::Debug for Errno { + fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { + sys::with_description(*self, |desc| { + fmt.debug_struct("Errno") + .field("code", &self.0) + .field("description", &desc.ok()) + .finish() + }) + } +} + +#[cfg(feature = "std")] +impl fmt::Display for Errno { + fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { + sys::with_description(*self, |desc| match desc { + Ok(desc) => fmt.write_str(&desc), + Err(fm_err) => write!( + fmt, "OS error {} ({} returned error {})", + self.0, sys::STRERROR_NAME, fm_err.0), + }) + } +} + +impl Into<i32> for Errno { + fn into(self) -> i32 { + self.0 + } +} + +#[cfg(feature = "std")] +impl Error for Errno { + // TODO: Remove when MSRV >= 1.27 + #[allow(deprecated)] + fn description(&self) -> &str { + "system error" + } +} + +#[cfg(feature = "std")] +impl From<Errno> for io::Error { + fn from(errno: Errno) -> Self { + io::Error::from_raw_os_error(errno.0) + } +} + +/// Returns the platform-specific value of `errno`. +pub fn errno() -> Errno { + sys::errno() +} + +/// Sets the platform-specific value of `errno`. +pub fn set_errno(err: Errno) { + sys::set_errno(err) +} + +#[test] +fn it_works() { + let x = errno(); + set_errno(x); +} + +#[cfg(feature = "std")] +#[test] +fn it_works_with_to_string() { + let x = errno(); + let _ = x.to_string(); +} + +#[cfg(feature = "std")] +#[test] +fn check_description() { + let expect = if cfg!(windows) { + "Incorrect function." + } else if cfg!(target_os = "illumos") { + "Not owner" + } else if cfg!(target_os = "wasi") { + "Argument list too long" + } else { + "Operation not permitted" + }; + + set_errno(Errno(1)); + + assert_eq!(errno().to_string(), expect); + assert_eq!( + format!("{:?}", errno()), + format!("Errno {{ code: 1, description: Some({:?}) }}", expect)); +} + +#[cfg(feature = "std")] +#[test] +fn check_error_into_errno() { + const ERROR_CODE: i32 = 1; + + let error = io::Error::from_raw_os_error(ERROR_CODE); + let new_error: io::Error = Errno(ERROR_CODE).into(); + assert_eq!(error.kind(), new_error.kind()); +} diff --git a/vendor/errno-0.2.8/src/unix.rs b/vendor/errno-0.2.8/src/unix.rs new file mode 100644 index 000000000..820d89748 --- /dev/null +++ b/vendor/errno-0.2.8/src/unix.rs @@ -0,0 +1,79 @@ +//! Implementation of `errno` functionality for Unix systems. +//! +//! Adapted from `src/libstd/sys/unix/os.rs` in the Rust distribution. + +// 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. + +#[cfg(feature = "std")] +use std::ffi::CStr; +use libc::c_int; +#[cfg(feature = "std")] +use libc::{self, c_char}; +#[cfg(target_os = "dragonfly")] +use errno_dragonfly::errno_location; + +use Errno; + +#[cfg(feature = "std")] +pub fn with_description<F, T>(err: Errno, callback: F) -> T where + F: FnOnce(Result<&str, Errno>) -> T +{ + let mut buf = [0 as c_char; 1024]; + unsafe { + if strerror_r(err.0, buf.as_mut_ptr(), buf.len() as libc::size_t) < 0 { + let fm_err = errno(); + if fm_err != Errno(libc::ERANGE) { + return callback(Err(fm_err)); + } + } + } + let c_str = unsafe { CStr::from_ptr(buf.as_ptr()) }; + callback(Ok(&String::from_utf8_lossy(c_str.to_bytes()))) +} + +#[cfg(feature = "std")] +pub const STRERROR_NAME: &'static str = "strerror_r"; + +pub fn errno() -> Errno { + unsafe { + Errno(*errno_location()) + } +} + +pub fn set_errno(Errno(errno): Errno) { + unsafe { + *errno_location() = errno; + } +} + +extern { + #[cfg(not(target_os = "dragonfly"))] + #[cfg_attr(any(target_os = "macos", + target_os = "ios", + target_os = "freebsd"), + link_name = "__error")] + #[cfg_attr(any(target_os = "openbsd", + target_os = "netbsd", + target_os = "bitrig", + target_os = "android"), + link_name = "__errno")] + #[cfg_attr(any(target_os = "solaris", + target_os = "illumos"), + link_name = "___errno")] + #[cfg_attr(target_os = "linux", + link_name = "__errno_location")] + fn errno_location() -> *mut c_int; + + #[cfg(feature = "std")] + #[cfg_attr(target_os = "linux", link_name = "__xpg_strerror_r")] + fn strerror_r(errnum: c_int, buf: *mut c_char, + buflen: libc::size_t) -> c_int; +} diff --git a/vendor/errno-0.2.8/src/wasi.rs b/vendor/errno-0.2.8/src/wasi.rs new file mode 100644 index 000000000..28e3d9f11 --- /dev/null +++ b/vendor/errno-0.2.8/src/wasi.rs @@ -0,0 +1,65 @@ +//! Implementation of `errno` functionality for WASI. +//! +//! Adapted from `unix.rs`. + +// 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. + +#[cfg(feature = "std")] +use std::ffi::CStr; +use libc::c_int; +#[cfg(feature = "std")] +use libc::{self, c_char}; + +use Errno; + +#[cfg(feature = "std")] +pub fn with_description<F, T>(err: Errno, callback: F) -> T where + F: FnOnce(Result<&str, Errno>) -> T +{ + let mut buf = [0 as c_char; 1024]; + unsafe { + if strerror_r(err.0, buf.as_mut_ptr(), buf.len() as libc::size_t) < 0 { + let fm_err = errno(); + if fm_err != Errno(libc::ERANGE) { + return callback(Err(fm_err)); + } + } + } + let c_str = unsafe { CStr::from_ptr(buf.as_ptr()) }; + callback(Ok(&String::from_utf8_lossy(c_str.to_bytes()))) +} + +#[cfg(feature = "std")] +pub const STRERROR_NAME: &'static str = "strerror_r"; + +pub fn errno() -> Errno { + // libc_errno is thread-local, so simply read its value. + unsafe { + Errno(libc_errno) + } +} + +pub fn set_errno(Errno(new_errno): Errno) { + // libc_errno is thread-local, so simply assign to it. + unsafe { + libc_errno = new_errno; + } +} + +extern { + #[thread_local] + #[link_name = "errno"] + static mut libc_errno: c_int; + + #[cfg(feature = "std")] + fn strerror_r(errnum: c_int, buf: *mut c_char, + buflen: libc::size_t) -> c_int; +} diff --git a/vendor/errno-0.2.8/src/windows.rs b/vendor/errno-0.2.8/src/windows.rs new file mode 100644 index 000000000..94e736210 --- /dev/null +++ b/vendor/errno-0.2.8/src/windows.rs @@ -0,0 +1,70 @@ +//! Implementation of `errno` functionality for Windows. +//! +//! Adapted from `src/libstd/sys/windows/os.rs` in the Rust distribution. + +// Copyright 2014 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. + +#[cfg(feature = "std")] +use std::ptr; +use winapi::shared::minwindef::DWORD; +#[cfg(feature = "std")] +use winapi::shared::ntdef::WCHAR; +#[cfg(feature = "std")] +use winapi::um::winbase::{FORMAT_MESSAGE_FROM_SYSTEM, FORMAT_MESSAGE_IGNORE_INSERTS}; + +use Errno; + +#[cfg(feature = "std")] +pub fn with_description<F, T>(err: Errno, callback: F) -> T where + F: FnOnce(Result<&str, Errno>) -> T +{ + // This value is calculated from the macro + // MAKELANGID(LANG_SYSTEM_DEFAULT, SUBLANG_SYS_DEFAULT) + let lang_id = 0x0800 as DWORD; + + let mut buf = [0 as WCHAR; 2048]; + + unsafe { + let res = ::winapi::um::winbase::FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + ptr::null_mut(), + err.0 as DWORD, + lang_id, + buf.as_mut_ptr(), + buf.len() as DWORD, + ptr::null_mut()); + if res == 0 { + // Sometimes FormatMessageW can fail e.g. system doesn't like lang_id + let fm_err = errno(); + return callback(Err(fm_err)); + } + + let msg = String::from_utf16_lossy(&buf[..res as usize]); + // Trim trailing CRLF inserted by FormatMessageW + #[allow(deprecated)] // TODO: remove when MSRV >= 1.30 + callback(Ok(msg.trim_right())) + } +} + +#[cfg(feature = "std")] +pub const STRERROR_NAME: &'static str = "FormatMessageW"; + +pub fn errno() -> Errno { + unsafe { + Errno(::winapi::um::errhandlingapi::GetLastError() as i32) + } +} + +pub fn set_errno(Errno(errno): Errno) { + unsafe { + ::winapi::um::errhandlingapi::SetLastError(errno as DWORD) + } +} |