Refactor Socket::peek

Author: Thomasdezeeuw

src/socket.rs

@@ -390,7 +390,7 @@ impl Socket {
     /// On success, returns the number of bytes peeked and the address from
     /// whence the data came.
     pub fn peek_from(&self, buf: &mut [u8]) -> io::Result<(usize, SockAddr)> {
-        self.inner().peek_from(buf)
+        self.recv_from_with_flags(buf, sys::MSG_PEEK)
     }
 
     /// Sends data on the socket to a connected peer.

src/sys/unix.rs

@@ -578,10 +578,6 @@ pub struct Socket {
 }
 
 impl Socket {
-    pub fn peek_from(&self, buf: &mut [u8]) -> io::Result<(usize, SockAddr)> {
-        recv_from(self.fd, buf, libc::MSG_PEEK)
-    }
-
     #[cfg(not(target_os = "redox"))]
     pub fn recv_from_vectored(
         &self,

src/sys/windows.rs

@@ -414,10 +414,6 @@ pub struct Socket {
 }
 
 impl Socket {
-    pub fn peek_from(&self, buf: &mut [u8]) -> io::Result<(usize, SockAddr)> {
-        recv_from(self.socket, buf, MSG_PEEK)
-    }
-
     pub fn recv_from_vectored(
         &self,
         bufs: &mut [IoSliceMut<'_>],