loop

hyper/src/common/buf.rs

@@ -1,151 +1,71 @@
 use std::collections::VecDeque;
 use std::io::IoSlice;
-
 use bytes::{Buf, BufMut, Bytes, BytesMut};
-
 pub(crate) struct BufList<T> {
     bufs: VecDeque<T>,
 }
-
 impl<T: Buf> BufList<T> {
     pub(crate) fn new() -> BufList<T> {
-        BufList {
-            bufs: VecDeque::new(),
-        }
+        loop {}
     }
-
     #[inline]
     pub(crate) fn push(&mut self, buf: T) {
-        debug_assert!(buf.has_remaining());
-        self.bufs.push_back(buf);
+        loop {}
     }
-
     #[inline]
     #[cfg(feature = "http1")]
     pub(crate) fn bufs_cnt(&self) -> usize {
-        self.bufs.len()
+        loop {}
     }
 }
-
 impl<T: Buf> Buf for BufList<T> {
     #[inline]
     fn remaining(&self) -> usize {
-        self.bufs.iter().map(|buf| buf.remaining()).sum()
+        loop {}
     }
-
     #[inline]
     fn chunk(&self) -> &[u8] {
-        self.bufs.front().map(Buf::chunk).unwrap_or_default()
+        loop {}
     }
-
     #[inline]
     fn advance(&mut self, mut cnt: usize) {
-        while cnt > 0 {
-            {
-                let front = &mut self.bufs[0];
-                let rem = front.remaining();
-                if rem > cnt {
-                    front.advance(cnt);
-                    return;
-                } else {
-                    front.advance(rem);
-                    cnt -= rem;
-                }
-            }
-            self.bufs.pop_front();
-        }
+        loop {}
     }
-
     #[inline]
     fn chunks_vectored<'t>(&'t self, dst: &mut [IoSlice<'t>]) -> usize {
-        if dst.is_empty() {
-            return 0;
-        }
-        let mut vecs = 0;
-        for buf in &self.bufs {
-            vecs += buf.chunks_vectored(&mut dst[vecs..]);
-            if vecs == dst.len() {
-                break;
-            }
-        }
-        vecs
+        loop {}
     }
-
     #[inline]
     fn copy_to_bytes(&mut self, len: usize) -> Bytes {
-        // Our inner buffer may have an optimized version of copy_to_bytes, and if the whole
-        // request can be fulfilled by the front buffer, we can take advantage.
-        match self.bufs.front_mut() {
-            Some(front) if front.remaining() == len => {
-                let b = front.copy_to_bytes(len);
-                self.bufs.pop_front();
-                b
-            }
-            Some(front) if front.remaining() > len => front.copy_to_bytes(len),
-            _ => {
-                assert!(len <= self.remaining(), "`len` greater than remaining");
-                let mut bm = BytesMut::with_capacity(len);
-                bm.put(self.take(len));
-                bm.freeze()
-            }
-        }
+        loop {}
     }
 }
-
 #[cfg(test)]
 mod tests {
     use std::ptr;
-
     use super::*;
-
     fn hello_world_buf() -> BufList<Bytes> {
-        BufList {
-            bufs: vec![Bytes::from("Hello"), Bytes::from(" "), Bytes::from("World")].into(),
-        }
+        loop {}
     }
-
     #[test]
     fn to_bytes_shorter() {
-        let mut bufs = hello_world_buf();
-        let old_ptr = bufs.chunk().as_ptr();
-        let start = bufs.copy_to_bytes(4);
-        assert_eq!(start, "Hell");
-        assert!(ptr::eq(old_ptr, start.as_ptr()));
-        assert_eq!(bufs.chunk(), b"o");
-        assert!(ptr::eq(old_ptr.wrapping_add(4), bufs.chunk().as_ptr()));
-        assert_eq!(bufs.remaining(), 7);
+        loop {}
     }
-
     #[test]
     fn to_bytes_eq() {
-        let mut bufs = hello_world_buf();
-        let old_ptr = bufs.chunk().as_ptr();
-        let start = bufs.copy_to_bytes(5);
-        assert_eq!(start, "Hello");
-        assert!(ptr::eq(old_ptr, start.as_ptr()));
-        assert_eq!(bufs.chunk(), b" ");
-        assert_eq!(bufs.remaining(), 6);
+        loop {}
     }
-
     #[test]
     fn to_bytes_longer() {
-        let mut bufs = hello_world_buf();
-        let start = bufs.copy_to_bytes(7);
-        assert_eq!(start, "Hello W");
-        assert_eq!(bufs.remaining(), 4);
+        loop {}
     }
-
     #[test]
     fn one_long_buf_to_bytes() {
-        let mut buf = BufList::new();
-        buf.push(b"Hello World" as &[_]);
-        assert_eq!(buf.copy_to_bytes(5), "Hello");
-        assert_eq!(buf.chunk(), b" World");
+        loop {}
     }
-
     #[test]
     #[should_panic(expected = "`len` greater than remaining")]
     fn buf_to_bytes_too_many() {
-        hello_world_buf().copy_to_bytes(42);
+        loop {}
     }
 }