| use crate::marker::PhantomData; |
| use crate::slice; |
| use crate::sys::c; |
| |
| #[repr(transparent)] |
| pub struct IoSlice<'a> { |
| vec: c::WSABUF, |
| _p: PhantomData<&'a [u8]>, |
| } |
| |
| impl<'a> IoSlice<'a> { |
| #[inline] |
| pub fn new(buf: &'a [u8]) -> IoSlice<'a> { |
| assert!(buf.len() <= c::ULONG::max_value() as usize); |
| IoSlice { |
| vec: c::WSABUF { |
| len: buf.len() as c::ULONG, |
| buf: buf.as_ptr() as *mut u8 as *mut c::CHAR, |
| }, |
| _p: PhantomData, |
| } |
| } |
| |
| #[inline] |
| pub fn as_slice(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self.vec.buf as *mut u8, self.vec.len as usize) |
| } |
| } |
| } |
| |
| pub struct IoSliceMut<'a> { |
| vec: c::WSABUF, |
| _p: PhantomData<&'a mut [u8]>, |
| } |
| |
| impl<'a> IoSliceMut<'a> { |
| #[inline] |
| pub fn new(buf: &'a mut [u8]) -> IoSliceMut<'a> { |
| assert!(buf.len() <= c::ULONG::max_value() as usize); |
| IoSliceMut { |
| vec: c::WSABUF { |
| len: buf.len() as c::ULONG, |
| buf: buf.as_mut_ptr() as *mut c::CHAR, |
| }, |
| _p: PhantomData, |
| } |
| } |
| |
| #[inline] |
| pub fn as_slice(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self.vec.buf as *mut u8, self.vec.len as usize) |
| } |
| } |
| |
| #[inline] |
| pub fn as_mut_slice(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self.vec.buf as *mut u8, self.vec.len as usize) |
| } |
| } |
| } |