From 4d673f9a72cab0be1fe50bbcb648d218ad924a20 Mon Sep 17 00:00:00 2001
From: quininer <quininer@live.com>
Date: Sat, 18 May 2019 23:44:29 +0800
Subject: [PATCH] update iovec

---
 Cargo.toml        |  4 +---
 src/common/mod.rs | 11 ++++-------
 2 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index f892061..8a44728 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,9 +17,7 @@ appveyor = { repository = "quininer/tokio-rustls" }
 
 [dependencies]
 smallvec = "*"
-futures = { package = "futures-preview", version = "0.3.0-alpha.15" }
-bytes = "0.4"
-iovec = "0.1"
+futures = { package = "futures-preview", version = "0.3.0-alpha.16" }
 rustls = "0.15"
 webpki = "0.19"
 
diff --git a/src/common/mod.rs b/src/common/mod.rs
index dabdcbc..98afcd6 100644
--- a/src/common/mod.rs
+++ b/src/common/mod.rs
@@ -7,7 +7,7 @@ use std::io::{ self, Read };
 use rustls::Session;
 use rustls::WriteV;
 use futures::task::Context;
-use futures::io::{ AsyncRead, AsyncWrite, IoVec };
+use futures::io::{ AsyncRead, AsyncWrite, IoSlice };
 use smallvec::SmallVec;
 
 
@@ -159,13 +159,10 @@ impl<'a, IO: AsyncRead + AsyncWrite + Unpin, S: Session> WriteTls<IO, S> for Str
             fn writev(&mut self, vbytes: &[&[u8]]) -> io::Result<usize> {
                 let vbytes = vbytes
                     .into_iter()
-                    .try_fold(SmallVec::<[&'_ IoVec; 16]>::new(), |mut sum, next| {
-                        sum.push(IoVec::from_bytes(next)?);
-                        Some(sum)
-                    })
-                    .unwrap_or_default();
+                    .map(|v| IoSlice::new(v))
+                    .collect::<SmallVec<[IoSlice<'_>; 64]>>();
 
-                match Pin::new(&mut self.io).poll_vectored_write(self.cx, &vbytes) {
+                match Pin::new(&mut self.io).poll_write_vectored(self.cx, &vbytes) {
                     Poll::Ready(result) => result,
                     Poll::Pending => Err(io::ErrorKind::WouldBlock.into())
                 }