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author | Valentin Popov <valentin@popov.link> | 2024-07-19 15:37:58 +0300 |
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committer | Valentin Popov <valentin@popov.link> | 2024-07-19 15:37:58 +0300 |
commit | a990de90fe41456a23e58bd087d2f107d321f3a1 (patch) | |
tree | 15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/errno/src/wasi.rs | |
parent | 3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff) | |
download | fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip |
Deleted vendor folder
Diffstat (limited to 'vendor/errno/src/wasi.rs')
-rw-r--r-- | vendor/errno/src/wasi.rs | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/vendor/errno/src/wasi.rs b/vendor/errno/src/wasi.rs deleted file mode 100644 index 404d7d5..0000000 --- a/vendor/errno/src/wasi.rs +++ /dev/null @@ -1,60 +0,0 @@ -//! 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. - -use core::str; -use libc::{self, c_int, size_t, strerror_r, strlen}; - -use crate::Errno; - -fn from_utf8_lossy(input: &[u8]) -> &str { - match str::from_utf8(input) { - Ok(valid) => valid, - Err(error) => unsafe { str::from_utf8_unchecked(&input[..error.valid_up_to()]) }, - } -} - -pub fn with_description<F, T>(err: Errno, callback: F) -> T -where - F: FnOnce(Result<&str, Errno>) -> T, -{ - let mut buf = [0u8; 1024]; - let c_str = unsafe { - let rc = strerror_r(err.0, buf.as_mut_ptr() as *mut _, buf.len() as size_t); - if rc != 0 { - let fm_err = Errno(rc); - if fm_err != Errno(libc::ERANGE) { - return callback(Err(fm_err)); - } - } - let c_str_len = strlen(buf.as_ptr() as *const _); - &buf[..c_str_len] - }; - callback(Ok(from_utf8_lossy(c_str))) -} - -pub const STRERROR_NAME: &str = "strerror_r"; - -pub fn errno() -> Errno { - unsafe { Errno(*__errno_location()) } -} - -pub fn set_errno(Errno(new_errno): Errno) { - unsafe { - *__errno_location() = new_errno; - } -} - -extern "C" { - fn __errno_location() -> *mut c_int; -} |