Refactor part 5

src/lib.rs

@@ -138,7 +138,7 @@ impl Domain {
     pub const IPV6: Domain = Domain(sys::AF_INET6);
 
     /// Returns the correct domain for `address`.
-    pub fn for_address(address: SocketAddr) -> Domain {
+    pub const fn for_address(address: SocketAddr) -> Domain {
         match address {
             SocketAddr::V4(_) => Domain::IPV4,
             SocketAddr::V6(_) => Domain::IPV6,
@@ -252,9 +252,9 @@ impl RecvFlags {
     /// This flag is only used for datagram-based sockets,
     /// not for stream sockets.
     ///
-    /// On Unix this corresponds to the MSG_TRUNC flag.
-    /// On Windows this corresponds to the WSAEMSGSIZE error code.
-    pub fn is_truncated(self) -> bool {
+    /// On Unix this corresponds to the `MSG_TRUNC` flag.
+    /// On Windows this corresponds to the `WSAEMSGSIZE` error code.
+    pub const fn is_truncated(self) -> bool {
         self.0 & sys::MSG_TRUNC != 0
     }
 }

src/sockaddr.rs

@@ -39,6 +39,11 @@ impl SockAddr {
         }
     }
 
+    /// Constructs a `SockAddr` from its raw components.
+    pub(crate) const fn from_raw(storage: sockaddr_storage, len: socklen_t) -> SockAddr {
+        SockAddr { storage, len }
+    }
+
     /// Returns this address's family.
     pub fn family(&self) -> sa_family_t {
         self.storage.ss_family
@@ -54,6 +59,12 @@ impl SockAddr {
         &self.storage as *const _ as *const _
     }
 
+    /// Returns a raw pointer to the address storage.
+    #[cfg(unix)]
+    pub(crate) fn as_storage_ptr(&self) -> *const sockaddr_storage {
+        &self.storage
+    }
+
     /// Returns this address as a `SocketAddr` if it is in the `AF_INET` (IP v4)
     /// or `AF_INET6` (IP v6) family, otherwise returns `None`.
     pub fn as_std(&self) -> Option<SocketAddr> {