Delete ctr-std to use my fork of the rust repo instead

1 files changed, 0 insertions, 630 deletions

diff --git a/ctr-std/src/sys_common/net.rs b/ctr-std/src/sys_common/net.rs
deleted file mode 100644
index a0dbda0..0000000
--- a/ctr-std/src/sys_common/net.rs
+++ /dev/null
@@ -1,630 +0,0 @@
-// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#![allow(dead_code)]
-
-use cmp;
-use ffi::CString;
-use fmt;
-use io::{self, Error, ErrorKind};
-use libc::{c_int, c_void};
-use mem;
-use net::{SocketAddr, Shutdown, Ipv4Addr, Ipv6Addr};
-use ptr;
-use sys::net::{cvt, cvt_r, cvt_gai, Socket, init, wrlen_t};
-use sys::net::netc as c;
-use sys_common::{AsInner, FromInner, IntoInner};
-use time::Duration;
-
-// IPV6 stuff does not seem to be supported on 3DS. TODO: Determine if that's true
-const IPV6_ADD_MEMBERSHIP: c_int = 0x0;
-const IPV6_DROP_MEMBERSHIP: c_int = 0x0;
-const IPV6_MULTICAST_LOOP: c_int = 0x0;
-const IPV6_V6ONLY: c_int = 0x0;
-
-// Neither are signals
-const MSG_NOSIGNAL: c_int = 0x0;
-
-// These constants are also currently missing from libctru. TODO: Find them?
-const SO_SNDTIMEO: c_int = 0x0;
-const SO_RCVTIMEO: c_int = 0x0;
-const SO_BROADCAST: c_int = 0x0;
-
-////////////////////////////////////////////////////////////////////////////////
-// sockaddr and misc bindings
-////////////////////////////////////////////////////////////////////////////////
-
-pub fn setsockopt<T>(sock: &Socket, opt: c_int, val: c_int,
-                     payload: T) -> io::Result<()> {
-    unsafe {
-        let payload = &payload as *const T as *const c_void;
-        cvt(c::setsockopt(*sock.as_inner(), opt, val, payload,
-                          mem::size_of::<T>() as c::socklen_t))?;
-        Ok(())
-    }
-}
-
-pub fn getsockopt<T: Copy>(sock: &Socket, opt: c_int,
-                       val: c_int) -> io::Result<T> {
-    unsafe {
-        let mut slot: T = mem::zeroed();
-        let mut len = mem::size_of::<T>() as c::socklen_t;
-        cvt(c::getsockopt(*sock.as_inner(), opt, val,
-                          &mut slot as *mut _ as *mut _,
-                          &mut len))?;
-        assert_eq!(len as usize, mem::size_of::<T>());
-        Ok(slot)
-    }
-}
-
-fn sockname<F>(f: F) -> io::Result<SocketAddr>
-    where F: FnOnce(*mut c::sockaddr, *mut c::socklen_t) -> c_int
-{
-    unsafe {
-        let mut storage: c::sockaddr_storage = mem::zeroed();
-        let mut len = mem::size_of_val(&storage) as c::socklen_t;
-        cvt(f(&mut storage as *mut _ as *mut _, &mut len))?;
-        sockaddr_to_addr(&storage, len as usize)
-    }
-}
-
-pub fn sockaddr_to_addr(storage: &c::sockaddr_storage,
-                    len: usize) -> io::Result<SocketAddr> {
-    match storage.ss_family as c_int {
-        c::AF_INET => {
-            assert!(len as usize >= mem::size_of::<c::sockaddr_in>());
-            Ok(SocketAddr::V4(FromInner::from_inner(unsafe {
-                *(storage as *const _ as *const c::sockaddr_in)
-            })))
-        }
-        c::AF_INET6 => {
-            assert!(len as usize >= mem::size_of::<c::sockaddr_in6>());
-            Ok(SocketAddr::V6(FromInner::from_inner(unsafe {
-                *(storage as *const _ as *const c::sockaddr_in6)
-            })))
-        }
-        _ => {
-            Err(Error::new(ErrorKind::InvalidInput, "invalid argument"))
-        }
-    }
-}
-
-#[cfg(target_os = "android")]
-fn to_ipv6mr_interface(value: u32) -> c_int {
-    value as c_int
-}
-
-#[cfg(not(target_os = "android"))]
-fn to_ipv6mr_interface(value: u32) -> ::libc::c_uint {
-    value as ::libc::c_uint
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// get_host_addresses
-////////////////////////////////////////////////////////////////////////////////
-
-pub struct LookupHost {
-    original: *mut c::addrinfo,
-    cur: *mut c::addrinfo,
-}
-
-impl Iterator for LookupHost {
-    type Item = SocketAddr;
-    fn next(&mut self) -> Option<SocketAddr> {
-        loop {
-            unsafe {
-                let cur = self.cur.as_ref()?;
-                self.cur = cur.ai_next;
-                match sockaddr_to_addr(mem::transmute(cur.ai_addr),
-                                       cur.ai_addrlen as usize)
-                {
-                    Ok(addr) => return Some(addr),
-                    Err(_) => continue,
-                }
-            }
-        }
-    }
-}
-
-unsafe impl Sync for LookupHost {}
-unsafe impl Send for LookupHost {}
-
-impl Drop for LookupHost {
-    fn drop(&mut self) {
-        unsafe { c::freeaddrinfo(self.original) }
-    }
-}
-
-pub fn lookup_host(host: &str) -> io::Result<LookupHost> {
-    init();
-
-    let c_host = CString::new(host)?;
-    let mut hints: c::addrinfo = unsafe { mem::zeroed() };
-    hints.ai_socktype = c::SOCK_STREAM;
-    let mut res = ptr::null_mut();
-    unsafe {
-        match cvt_gai(c::getaddrinfo(c_host.as_ptr() as *const u8, ptr::null(), &hints, &mut res)) {
-            Ok(_) => {
-                Ok(LookupHost { original: res, cur: res })
-            },
-            #[cfg(target_env = "gnu")]
-            Err(e) => {
-                // If we're running glibc prior to version 2.26, the lookup
-                // failure could be caused by caching a stale /etc/resolv.conf.
-                // We need to call libc::res_init() to clear the cache. But we
-                // shouldn't call it in on any other platform, because other
-                // res_init implementations aren't thread-safe. See
-                // https://github.com/rust-lang/rust/issues/41570 and
-                // https://github.com/rust-lang/rust/issues/43592.
-                use sys::net::res_init_if_glibc_before_2_26;
-                let _ = res_init_if_glibc_before_2_26();
-                Err(e)
-            },
-            // the cfg is needed here to avoid an "unreachable pattern" warning
-            #[cfg(not(target_env = "gnu"))]
-            Err(e) => Err(e),
-        }
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TCP streams
-////////////////////////////////////////////////////////////////////////////////
-
-pub struct TcpStream {
-    inner: Socket,
-}
-
-impl TcpStream {
-    pub fn connect(addr: &SocketAddr) -> io::Result<TcpStream> {
-        init();
-
-        let sock = Socket::new(addr, c::SOCK_STREAM)?;
-
-        let (addrp, len) = addr.into_inner();
-        cvt_r(|| unsafe { c::connect(*sock.as_inner(), addrp, len) })?;
-        Ok(TcpStream { inner: sock })
-    }
-
-    pub fn connect_timeout(addr: &SocketAddr, timeout: Duration) -> io::Result<TcpStream> {
-        init();
-
-        let sock = Socket::new(addr, c::SOCK_STREAM)?;
-        sock.connect_timeout(addr, timeout)?;
-        Ok(TcpStream { inner: sock })
-    }
-
-    pub fn socket(&self) -> &Socket { &self.inner }
-
-    pub fn into_socket(self) -> Socket { self.inner }
-
-    pub fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
-        self.inner.set_timeout(dur, SO_RCVTIMEO)
-    }
-
-    pub fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
-        self.inner.set_timeout(dur, SO_SNDTIMEO)
-    }
-
-    pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
-        self.inner.timeout(SO_RCVTIMEO)
-    }
-
-    pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
-        self.inner.timeout(SO_SNDTIMEO)
-    }
-
-    pub fn peek(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.inner.peek(buf)
-    }
-
-    pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.inner.read(buf)
-    }
-
-    pub fn write(&self, buf: &[u8]) -> io::Result<usize> {
-        let len = cmp::min(buf.len(), <wrlen_t>::max_value() as usize) as wrlen_t;
-        let ret = cvt(unsafe {
-            c::send(*self.inner.as_inner(),
-                    buf.as_ptr() as *const c_void,
-                    len,
-                    MSG_NOSIGNAL)
-        })?;
-        Ok(ret as usize)
-    }
-
-    pub fn peer_addr(&self) -> io::Result<SocketAddr> {
-        sockname(|buf, len| unsafe {
-            c::getpeername(*self.inner.as_inner(), buf, len)
-        })
-    }
-
-    pub fn socket_addr(&self) -> io::Result<SocketAddr> {
-        sockname(|buf, len| unsafe {
-            c::getsockname(*self.inner.as_inner(), buf, len)
-        })
-    }
-
-    pub fn shutdown(&self, how: Shutdown) -> io::Result<()> {
-        self.inner.shutdown(how)
-    }
-
-    pub fn duplicate(&self) -> io::Result<TcpStream> {
-        self.inner.duplicate().map(|s| TcpStream { inner: s })
-    }
-
-    pub fn set_nodelay(&self, nodelay: bool) -> io::Result<()> {
-        self.inner.set_nodelay(nodelay)
-    }
-
-    pub fn nodelay(&self) -> io::Result<bool> {
-        self.inner.nodelay()
-    }
-
-    pub fn set_ttl(&self, ttl: u32) -> io::Result<()> {
-        setsockopt(&self.inner, c::IPPROTO_IP, c::IP_TTL, ttl as c_int)
-    }
-
-    pub fn ttl(&self) -> io::Result<u32> {
-        let raw: c_int = getsockopt(&self.inner, c::IPPROTO_IP, c::IP_TTL)?;
-        Ok(raw as u32)
-    }
-
-    pub fn take_error(&self) -> io::Result<Option<io::Error>> {
-        self.inner.take_error()
-    }
-
-    pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> {
-        self.inner.set_nonblocking(nonblocking)
-    }
-}
-
-impl FromInner<Socket> for TcpStream {
-    fn from_inner(socket: Socket) -> TcpStream {
-        TcpStream { inner: socket }
-    }
-}
-
-impl fmt::Debug for TcpStream {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let mut res = f.debug_struct("TcpStream");
-
-        if let Ok(addr) = self.socket_addr() {
-            res.field("addr", &addr);
-        }
-
-        if let Ok(peer) = self.peer_addr() {
-            res.field("peer", &peer);
-        }
-
-        let name = if cfg!(windows) {"socket"} else {"fd"};
-        res.field(name, &self.inner.as_inner())
-            .finish()
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TCP listeners
-////////////////////////////////////////////////////////////////////////////////
-
-pub struct TcpListener {
-    inner: Socket,
-}
-
-impl TcpListener {
-    pub fn bind(addr: &SocketAddr) -> io::Result<TcpListener> {
-        init();
-
-        let sock = Socket::new(addr, c::SOCK_STREAM)?;
-
-        // On platforms with Berkeley-derived sockets, this allows
-        // to quickly rebind a socket, without needing to wait for
-        // the OS to clean up the previous one.
-        if !cfg!(windows) {
-            setsockopt(&sock, c::SOL_SOCKET, c::SO_REUSEADDR,
-                       1 as c_int)?;
-        }
-
-        // Bind our new socket
-        let (addrp, len) = addr.into_inner();
-        cvt(unsafe { c::bind(*sock.as_inner(), addrp, len as _) })?;
-
-        // Start listening
-        cvt(unsafe { c::listen(*sock.as_inner(), 128) })?;
-        Ok(TcpListener { inner: sock })
-    }
-
-    pub fn socket(&self) -> &Socket { &self.inner }
-
-    pub fn into_socket(self) -> Socket { self.inner }
-
-    pub fn socket_addr(&self) -> io::Result<SocketAddr> {
-        sockname(|buf, len| unsafe {
-            c::getsockname(*self.inner.as_inner(), buf, len)
-        })
-    }
-
-    pub fn accept(&self) -> io::Result<(TcpStream, SocketAddr)> {
-        let mut storage: c::sockaddr_storage = unsafe { mem::zeroed() };
-        let mut len = mem::size_of_val(&storage) as c::socklen_t;
-        let sock = self.inner.accept(&mut storage as *mut _ as *mut _,
-                                     &mut len)?;
-        let addr = sockaddr_to_addr(&storage, len as usize)?;
-        Ok((TcpStream { inner: sock, }, addr))
-    }
-
-    pub fn duplicate(&self) -> io::Result<TcpListener> {
-        self.inner.duplicate().map(|s| TcpListener { inner: s })
-    }
-
-    pub fn set_ttl(&self, ttl: u32) -> io::Result<()> {
-        setsockopt(&self.inner, c::IPPROTO_IP, c::IP_TTL, ttl as c_int)
-    }
-
-    pub fn ttl(&self) -> io::Result<u32> {
-        let raw: c_int = getsockopt(&self.inner, c::IPPROTO_IP, c::IP_TTL)?;
-        Ok(raw as u32)
-    }
-
-    pub fn set_only_v6(&self, only_v6: bool) -> io::Result<()> {
-        setsockopt(&self.inner, c::IPPROTO_IPV6, IPV6_V6ONLY, only_v6 as c_int)
-    }
-
-    pub fn only_v6(&self) -> io::Result<bool> {
-        let raw: c_int = getsockopt(&self.inner, c::IPPROTO_IPV6, IPV6_V6ONLY)?;
-        Ok(raw != 0)
-    }
-
-    pub fn take_error(&self) -> io::Result<Option<io::Error>> {
-        self.inner.take_error()
-    }
-
-    pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> {
-        self.inner.set_nonblocking(nonblocking)
-    }
-}
-
-impl FromInner<Socket> for TcpListener {
-    fn from_inner(socket: Socket) -> TcpListener {
-        TcpListener { inner: socket }
-    }
-}
-
-impl fmt::Debug for TcpListener {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let mut res = f.debug_struct("TcpListener");
-
-        if let Ok(addr) = self.socket_addr() {
-            res.field("addr", &addr);
-        }
-
-        let name = if cfg!(windows) {"socket"} else {"fd"};
-        res.field(name, &self.inner.as_inner())
-            .finish()
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// UDP
-////////////////////////////////////////////////////////////////////////////////
-
-pub struct UdpSocket {
-    inner: Socket,
-}
-
-impl UdpSocket {
-    pub fn bind(addr: &SocketAddr) -> io::Result<UdpSocket> {
-        init();
-
-        let sock = Socket::new(addr, c::SOCK_DGRAM)?;
-        let (addrp, len) = addr.into_inner();
-        cvt(unsafe { c::bind(*sock.as_inner(), addrp, len as _) })?;
-        Ok(UdpSocket { inner: sock })
-    }
-
-    pub fn socket(&self) -> &Socket { &self.inner }
-
-    pub fn into_socket(self) -> Socket { self.inner }
-
-    pub fn socket_addr(&self) -> io::Result<SocketAddr> {
-        sockname(|buf, len| unsafe {
-            c::getsockname(*self.inner.as_inner(), buf, len)
-        })
-    }
-
-    pub fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
-        self.inner.recv_from(buf)
-    }
-
-    pub fn peek_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
-        self.inner.peek_from(buf)
-    }
-
-    pub fn send_to(&self, buf: &[u8], dst: &SocketAddr) -> io::Result<usize> {
-        let len = cmp::min(buf.len(), <wrlen_t>::max_value() as usize) as wrlen_t;
-        let (dstp, dstlen) = dst.into_inner();
-        let ret = cvt(unsafe {
-            c::sendto(*self.inner.as_inner(),
-                      buf.as_ptr() as *const c_void, len,
-                      MSG_NOSIGNAL, dstp, dstlen)
-        })?;
-        Ok(ret as usize)
-    }
-
-    pub fn duplicate(&self) -> io::Result<UdpSocket> {
-        self.inner.duplicate().map(|s| UdpSocket { inner: s })
-    }
-
-    pub fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
-        self.inner.set_timeout(dur, SO_RCVTIMEO)
-    }
-
-    pub fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
-        self.inner.set_timeout(dur, SO_SNDTIMEO)
-    }
-
-    pub fn read_timeout(&self) -> io::Result<Option<Duration>> {
-        self.inner.timeout(SO_RCVTIMEO)
-    }
-
-    pub fn write_timeout(&self) -> io::Result<Option<Duration>> {
-        self.inner.timeout(SO_SNDTIMEO)
-    }
-
-    pub fn set_broadcast(&self, broadcast: bool) -> io::Result<()> {
-        setsockopt(&self.inner, c::SOL_SOCKET, SO_BROADCAST, broadcast as c_int)
-    }
-
-    pub fn broadcast(&self) -> io::Result<bool> {
-        let raw: c_int = getsockopt(&self.inner, c::SOL_SOCKET, SO_BROADCAST)?;
-        Ok(raw != 0)
-    }
-
-    pub fn set_multicast_loop_v4(&self, multicast_loop_v4: bool) -> io::Result<()> {
-        setsockopt(&self.inner, c::IPPROTO_IP, c::IP_MULTICAST_LOOP, multicast_loop_v4 as c_int)
-    }
-
-    pub fn multicast_loop_v4(&self) -> io::Result<bool> {
-        let raw: c_int = getsockopt(&self.inner, c::IPPROTO_IP, c::IP_MULTICAST_LOOP)?;
-        Ok(raw != 0)
-    }
-
-    pub fn set_multicast_ttl_v4(&self, multicast_ttl_v4: u32) -> io::Result<()> {
-        setsockopt(&self.inner, c::IPPROTO_IP, c::IP_MULTICAST_TTL, multicast_ttl_v4 as c_int)
-    }
-
-    pub fn multicast_ttl_v4(&self) -> io::Result<u32> {
-        let raw: c_int = getsockopt(&self.inner, c::IPPROTO_IP, c::IP_MULTICAST_TTL)?;
-        Ok(raw as u32)
-    }
-
-    pub fn set_multicast_loop_v6(&self, multicast_loop_v6: bool) -> io::Result<()> {
-        setsockopt(&self.inner, c::IPPROTO_IPV6, IPV6_MULTICAST_LOOP, multicast_loop_v6 as c_int)
-    }
-
-    pub fn multicast_loop_v6(&self) -> io::Result<bool> {
-        let raw: c_int = getsockopt(&self.inner, c::IPPROTO_IPV6, IPV6_MULTICAST_LOOP)?;
-        Ok(raw != 0)
-    }
-
-    pub fn join_multicast_v4(&self, multiaddr: &Ipv4Addr, interface: &Ipv4Addr)
-                         -> io::Result<()> {
-        let mreq = c::ip_mreq {
-            imr_multiaddr: *multiaddr.as_inner(),
-            imr_interface: *interface.as_inner(),
-        };
-        setsockopt(&self.inner, c::IPPROTO_IP, c::IP_ADD_MEMBERSHIP, mreq)
-    }
-
-    pub fn join_multicast_v6(&self, multiaddr: &Ipv6Addr, interface: u32)
-                         -> io::Result<()> {
-        let mreq = c::ipv6_mreq {
-            ipv6mr_multiaddr: *multiaddr.as_inner(),
-            ipv6mr_interface: to_ipv6mr_interface(interface),
-        };
-        setsockopt(&self.inner, c::IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, mreq)
-    }
-
-    pub fn leave_multicast_v4(&self, multiaddr: &Ipv4Addr, interface: &Ipv4Addr)
-                          -> io::Result<()> {
-        let mreq = c::ip_mreq {
-            imr_multiaddr: *multiaddr.as_inner(),
-            imr_interface: *interface.as_inner(),
-        };
-        setsockopt(&self.inner, c::IPPROTO_IP, c::IP_DROP_MEMBERSHIP, mreq)
-    }
-
-    pub fn leave_multicast_v6(&self, multiaddr: &Ipv6Addr, interface: u32)
-                          -> io::Result<()> {
-        let mreq = c::ipv6_mreq {
-            ipv6mr_multiaddr: *multiaddr.as_inner(),
-            ipv6mr_interface: to_ipv6mr_interface(interface),
-        };
-        setsockopt(&self.inner, c::IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, mreq)
-    }
-
-    pub fn set_ttl(&self, ttl: u32) -> io::Result<()> {
-        setsockopt(&self.inner, c::IPPROTO_IP, c::IP_TTL, ttl as c_int)
-    }
-
-    pub fn ttl(&self) -> io::Result<u32> {
-        let raw: c_int = getsockopt(&self.inner, c::IPPROTO_IP, c::IP_TTL)?;
-        Ok(raw as u32)
-    }
-
-    pub fn take_error(&self) -> io::Result<Option<io::Error>> {
-        self.inner.take_error()
-    }
-
-    pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> {
-        self.inner.set_nonblocking(nonblocking)
-    }
-
-    pub fn recv(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.inner.read(buf)
-    }
-
-    pub fn peek(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.inner.peek(buf)
-    }
-
-    pub fn send(&self, buf: &[u8]) -> io::Result<usize> {
-        let len = cmp::min(buf.len(), <wrlen_t>::max_value() as usize) as wrlen_t;
-        let ret = cvt(unsafe {
-            c::send(*self.inner.as_inner(),
-                    buf.as_ptr() as *const c_void,
-                    len,
-                    MSG_NOSIGNAL)
-        })?;
-        Ok(ret as usize)
-    }
-
-    pub fn connect(&self, addr: &SocketAddr) -> io::Result<()> {
-        let (addrp, len) = addr.into_inner();
-        cvt_r(|| unsafe { c::connect(*self.inner.as_inner(), addrp, len) }).map(|_| ())
-    }
-}
-
-impl FromInner<Socket> for UdpSocket {
-    fn from_inner(socket: Socket) -> UdpSocket {
-        UdpSocket { inner: socket }
-    }
-}
-
-impl fmt::Debug for UdpSocket {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let mut res = f.debug_struct("UdpSocket");
-
-        if let Ok(addr) = self.socket_addr() {
-            res.field("addr", &addr);
-        }
-
-        let name = if cfg!(windows) {"socket"} else {"fd"};
-        res.field(name, &self.inner.as_inner())
-            .finish()
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use collections::HashMap;
-
-    #[test]
-    fn no_lookup_host_duplicates() {
-        let mut addrs = HashMap::new();
-        let lh = match lookup_host("localhost") {
-            Ok(lh) => lh,
-            Err(e) => panic!("couldn't resolve `localhost': {}", e)
-        };
-        let _na = lh.map(|sa| *addrs.entry(sa).or_insert(0) += 1).count();
-        assert!(addrs.values().filter(|&&v| v > 1).count() == 0);
-    }
-}