From 7f69e889a409237ea72db561bda65dc34c296ec4 Mon Sep 17 00:00:00 2001
From: quininer <quininer@live.com>
Date: Sun, 8 Dec 2019 00:59:15 +0800
Subject: [PATCH] Fix incorrect prepare_uninitialized_buffer

---
 Cargo.toml    | 1 +
 src/client.rs | 3 ++-
 src/server.rs | 6 +++++-
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index e30cb12..e0822cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,6 +24,7 @@ webpki = "0.21"
 [features]
 early-data = []
 dangerous_configuration = ["rustls/dangerous_configuration"]
+unstable = []
 
 [dev-dependencies]
 tokio = { version = "0.2.0", features = ["macros", "net", "io-util", "rt-core", "time"] }
diff --git a/src/client.rs b/src/client.rs
index 779ddc5..7807f12 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -69,8 +69,9 @@ impl<IO> AsyncRead for TlsStream<IO>
 where
     IO: AsyncRead + AsyncWrite + Unpin,
 {
+    #[cfg(feature = "unstable")]
     unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [std::mem::MaybeUninit<u8>]) -> bool {
-        self.io.prepare_uninitialized_buffer(buf)
+        false
     }
 
     fn poll_read(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8]) -> Poll<io::Result<usize>> {
diff --git a/src/server.rs b/src/server.rs
index 9066c27..0563341 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -67,8 +67,12 @@ impl<IO> AsyncRead for TlsStream<IO>
 where
     IO: AsyncRead + AsyncWrite + Unpin,
 {
+    #[cfg(feature = "unstable")]
     unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [std::mem::MaybeUninit<u8>]) -> bool {
-        self.io.prepare_uninitialized_buffer(buf)
+        // TODO
+        //
+        // https://doc.rust-lang.org/nightly/std/io/trait.Read.html#method.initializer
+        false
     }
 
     fn poll_read(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8]) -> Poll<io::Result<usize>> {