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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:57:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:57:31 +0000
commitdc0db358abe19481e475e10c32149b53370f1a1c (patch)
treeab8ce99c4b255ce46f99ef402c27916055b899ee /vendor/rustix/src/backend/libc/io/io_slice.rs
parentReleasing progress-linux version 1.71.1+dfsg1-2~progress7.99u1. (diff)
downloadrustc-dc0db358abe19481e475e10c32149b53370f1a1c.tar.xz
rustc-dc0db358abe19481e475e10c32149b53370f1a1c.zip
Merging upstream version 1.72.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/rustix/src/backend/libc/io/io_slice.rs')
-rw-r--r--vendor/rustix/src/backend/libc/io/io_slice.rs87
1 files changed, 0 insertions, 87 deletions
diff --git a/vendor/rustix/src/backend/libc/io/io_slice.rs b/vendor/rustix/src/backend/libc/io/io_slice.rs
deleted file mode 100644
index de1ef434c..000000000
--- a/vendor/rustix/src/backend/libc/io/io_slice.rs
+++ /dev/null
@@ -1,87 +0,0 @@
-//! The following is derived from Rust's
-//! library/std/src/sys/unix/io.rs
-//! dca3f1b786efd27be3b325ed1e01e247aa589c3b.
-
-#![allow(missing_docs)]
-
-use super::super::c;
-use core::marker::PhantomData;
-use core::slice;
-
-#[derive(Copy, Clone)]
-#[repr(transparent)]
-pub struct IoSlice<'a> {
- vec: c::iovec,
- _p: PhantomData<&'a [u8]>,
-}
-
-impl<'a> IoSlice<'a> {
- #[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(),
- },
- _p: PhantomData,
- }
- }
-
- #[inline]
- pub fn advance(&mut self, n: usize) {
- if self.vec.iov_len < n {
- panic!("advancing IoSlice beyond its length");
- }
-
- unsafe {
- self.vec.iov_len -= n;
- self.vec.iov_base = self.vec.iov_base.add(n);
- }
- }
-
- #[inline]
- pub fn as_slice(&self) -> &[u8] {
- unsafe { slice::from_raw_parts(self.vec.iov_base as *mut u8, self.vec.iov_len) }
- }
-}
-
-#[repr(transparent)]
-pub struct IoSliceMut<'a> {
- vec: c::iovec,
- _p: PhantomData<&'a mut [u8]>,
-}
-
-impl<'a> IoSliceMut<'a> {
- #[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(),
- },
- _p: PhantomData,
- }
- }
-
- #[inline]
- pub fn advance(&mut self, n: usize) {
- if self.vec.iov_len < n {
- panic!("advancing IoSliceMut beyond its length");
- }
-
- unsafe {
- self.vec.iov_len -= n;
- self.vec.iov_base = self.vec.iov_base.add(n);
- }
- }
-
- #[inline]
- pub fn as_slice(&self) -> &[u8] {
- unsafe { slice::from_raw_parts(self.vec.iov_base as *mut u8, self.vec.iov_len) }
- }
-
- #[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) }
- }
-}