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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/rustix/src/maybe_polyfill/no_std/io/mod.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/rustix/src/maybe_polyfill/no_std/io/mod.rs')
-rw-r--r--vendor/rustix/src/maybe_polyfill/no_std/io/mod.rs107
1 files changed, 0 insertions, 107 deletions
diff --git a/vendor/rustix/src/maybe_polyfill/no_std/io/mod.rs b/vendor/rustix/src/maybe_polyfill/no_std/io/mod.rs
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--- a/vendor/rustix/src/maybe_polyfill/no_std/io/mod.rs
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@@ -1,107 +0,0 @@
-//! The following is derived from Rust's
-//! library/std/src/sys/unix/io.rs
-//! dca3f1b786efd27be3b325ed1e01e247aa589c3b.
-//!
-//! All code in this file is licensed MIT or Apache 2.0 at your option.
-
-#![allow(unsafe_code)]
-use crate::backend::c;
-#[cfg(not(linux_raw))]
-use c::size_t as __kernel_size_t;
-use core::marker::PhantomData;
-use core::slice;
-#[cfg(linux_raw)]
-use linux_raw_sys::general::__kernel_size_t;
-
-/// <https://doc.rust-lang.org/stable/std/io/struct.IoSlice.html>
-#[derive(Copy, Clone)]
-#[repr(transparent)]
-pub struct IoSlice<'a> {
- vec: c::iovec,
- _p: PhantomData<&'a [u8]>,
-}
-
-impl<'a> IoSlice<'a> {
- /// <https://doc.rust-lang.org/stable/std/io/struct.IoSlice.html#method.new>
- #[inline]
- pub fn new(buf: &'a [u8]) -> IoSlice<'a> {
- IoSlice {
- vec: c::iovec {
- iov_base: buf.as_ptr() as *mut u8 as *mut c::c_void,
- iov_len: buf.len() as _,
- },
- _p: PhantomData,
- }
- }
-
- /// <https://doc.rust-lang.org/stable/std/io/struct.IoSlice.html#method.advance>
- #[inline]
- pub fn advance(&mut self, n: usize) {
- if self.vec.iov_len < n as _ {
- panic!("advancing IoSlice beyond its length");
- }
-
- unsafe {
- // `__kernel_size_t` will always have the same size as `usize`, but it is a `u32` on
- // 32-bit platforms and `u64` on 64-bit platforms when using `linux_raw` backend
- self.vec.iov_len -= n as __kernel_size_t;
- self.vec.iov_base = self.vec.iov_base.add(n);
- }
- }
-
- /// <https://doc.rust-lang.org/stable/std/io/struct.IoSlice.html#method.as_slice>
- #[inline]
- pub fn as_slice(&self) -> &[u8] {
- unsafe { slice::from_raw_parts(self.vec.iov_base as *mut u8, self.vec.iov_len as usize) }
- }
-}
-
-/// <https://doc.rust-lang.org/stable/std/io/struct.IoSliceMut.html>
-#[repr(transparent)]
-pub struct IoSliceMut<'a> {
- vec: c::iovec,
- _p: PhantomData<&'a mut [u8]>,
-}
-
-impl<'a> IoSliceMut<'a> {
- /// <https://doc.rust-lang.org/stable/std/io/struct.IoSliceMut.html#method.new>
- #[inline]
- pub fn new(buf: &'a mut [u8]) -> IoSliceMut<'a> {
- IoSliceMut {
- vec: c::iovec {
- iov_base: buf.as_mut_ptr() as *mut c::c_void,
- iov_len: buf.len() as _,
- },
- _p: PhantomData,
- }
- }
-
- /// <https://doc.rust-lang.org/stable/std/io/struct.IoSliceMut.html#method.advance>
- #[inline]
- pub fn advance(&mut self, n: usize) {
- if self.vec.iov_len < n as _ {
- panic!("advancing IoSliceMut beyond its length");
- }
-
- unsafe {
- // `__kernel_size_t` will always have the same size as `usize`, but it is a `u32` on
- // 32-bit platforms and `u64` on 64-bit platforms when using `linux_raw` backend
- self.vec.iov_len -= n as __kernel_size_t;
- self.vec.iov_base = self.vec.iov_base.add(n);
- }
- }
-
- /// <https://doc.rust-lang.org/stable/std/io/struct.IoSliceMut.html#method.as_slice>
- #[inline]
- pub fn as_slice(&self) -> &[u8] {
- unsafe { slice::from_raw_parts(self.vec.iov_base as *mut u8, self.vec.iov_len as usize) }
- }
-
- /// <https://doc.rust-lang.org/stable/std/io/struct.IoSliceMut.html#method.as_slice_mut>
- #[inline]
- pub fn as_mut_slice(&mut self) -> &mut [u8] {
- unsafe {
- slice::from_raw_parts_mut(self.vec.iov_base as *mut u8, self.vec.iov_len as usize)
- }
- }
-}