non-linux platforms

Signed-off-by: Nick Cameron <nrc@ncameron.org>

2 files changed, 8 insertions, 10 deletions

diff --git a/library/std/src/sys/windows/fs.rs b/library/std/src/sys/windows/fs.rs
index aed082b3e0a..bfc2477dff4 100644
--- a/library/std/src/sys/windows/fs.rs
+++ b/library/std/src/sys/windows/fs.rs
@@ -2,7 +2,7 @@ use crate::os::windows::prelude::*;
 
 use crate::ffi::OsString;
 use crate::fmt;
-use crate::io::{self, Error, IoSlice, IoSliceMut, ReadBuf, SeekFrom};
+use crate::io::{self, BorrowedCursor, Error, IoSlice, IoSliceMut, SeekFrom};
 use crate::mem;
 use crate::os::windows::io::{AsHandle, BorrowedHandle};
 use crate::path::{Path, PathBuf};
@@ -415,8 +415,8 @@ impl File {
         self.handle.read_at(buf, offset)
     }
 
-    pub fn read_buf(&self, buf: &mut ReadBuf<'_>) -> io::Result<()> {
-        self.handle.read_buf(buf)
+    pub fn read_buf(&self, cursor: BorrowedCursor<'_, '_>) -> io::Result<()> {
+        self.handle.read_buf(cursor)
     }
 
     pub fn write(&self, buf: &[u8]) -> io::Result<usize> {
diff --git a/library/std/src/sys/windows/handle.rs b/library/std/src/sys/windows/handle.rs
index e24b09cc96e..0ea6876af5b 100644
--- a/library/std/src/sys/windows/handle.rs
+++ b/library/std/src/sys/windows/handle.rs
@@ -4,7 +4,7 @@
 mod tests;
 
 use crate::cmp;
-use crate::io::{self, ErrorKind, IoSlice, IoSliceMut, Read, ReadBuf};
+use crate::io::{self, BorrowedCursor, ErrorKind, IoSlice, IoSliceMut, Read};
 use crate::mem;
 use crate::os::windows::io::{
     AsHandle, AsRawHandle, BorrowedHandle, FromRawHandle, IntoRawHandle, OwnedHandle, RawHandle,
@@ -112,18 +112,16 @@ impl Handle {
         }
     }
 
-    pub fn read_buf(&self, buf: &mut ReadBuf<'_>) -> io::Result<()> {
-        let res = unsafe {
-            self.synchronous_read(buf.unfilled_mut().as_mut_ptr(), buf.remaining(), None)
-        };
+    pub fn read_buf(&self, mut cursor: BorrowedCursor<'_, '_>) -> io::Result<()> {
+        let res =
+            unsafe { self.synchronous_read(cursor.as_mut().as_mut_ptr(), cursor.capacity(), None) };
 
         match res {
             Ok(read) => {
                 // Safety: `read` bytes were written to the initialized portion of the buffer
                 unsafe {
-                    buf.assume_init(read as usize);
+                    cursor.advance(read as usize);
                 }
-                buf.add_filled(read as usize);
                 Ok(())
             }