impl From(net::SocketAddr) for SockaddrStorage and use it to fix a test

on Linux

Author: asomers

src/sys/socket/addr.rs

@@ -1557,6 +1557,16 @@ impl From<net::SocketAddrV6> for SockaddrStorage {
     }
 }
 
+#[cfg(feature = "net")]
+impl From<net::SocketAddr> for SockaddrStorage {
+    fn from(s: net::SocketAddr) -> Self {
+        match s {
+            net::SocketAddr::V4(sa4) => Self::from(sa4),
+            net::SocketAddr::V6(sa6) => Self::from(sa6),
+        }
+    }
+}
+
 impl Hash for SockaddrStorage {
     fn hash<H: Hasher>(&self, s: &mut H) {
         unsafe {

test/sys/test_socket.rs

@@ -912,7 +912,6 @@ pub fn test_sendmsg_ipv6packetinfo() {
         .expect("socket failed");
 
     let std_sa = SocketAddrV6::from_str("[::1]:6000").unwrap();
-    //let inet_addr = InetAddr::from_std(&std_sa);
     let sock_addr: SockaddrIn6 = SockaddrIn6::from(std_sa);
 
     if let Err(Errno::EADDRNOTAVAIL) = bind(sock, &sock_addr) {
@@ -1908,8 +1907,8 @@ mod linux_errqueue {
         use nix::sys::uio::IoVec;
 
         const MESSAGE_CONTENTS: &str = "ABCDEF";
-
-        let sock_addr = SockaddrIn::from_str(sa).unwrap();
+        let std_sa = std::net::SocketAddr::from_str(sa).unwrap();
+        let sock_addr = SockaddrStorage::from(std_sa);
         let sock = socket(af, SockType::Datagram, SockFlag::SOCK_CLOEXEC, None).unwrap();
         setsockopt(sock, opt, &true).unwrap();
         if let Err(e) = sendto(sock, MESSAGE_CONTENTS.as_bytes(), &sock_addr, MsgFlags::empty()) {