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use std::io;
use std::net::{self, SocketAddr};
use std::os::windows::io::FromRawSocket;
use std::os::windows::raw::SOCKET as StdSocket; // winapi uses usize, stdlib uses u32/u64.
use winapi::um::winsock2::{bind as win_bind, closesocket, SOCKET_ERROR, SOCK_DGRAM};
use crate::sys::windows::net::{init, new_ip_socket, socket_addr};
pub fn bind(addr: SocketAddr) -> io::Result<net::UdpSocket> {
init();
new_ip_socket(addr, SOCK_DGRAM).and_then(|socket| {
let (raw_addr, raw_addr_length) = socket_addr(&addr);
syscall!(
win_bind(socket, raw_addr, raw_addr_length,),
PartialEq::eq,
SOCKET_ERROR
)
.map_err(|err| {
// Close the socket if we hit an error, ignoring the error
// from closing since we can't pass back two errors.
let _ = unsafe { closesocket(socket) };
err
})
.map(|_| unsafe { net::UdpSocket::from_raw_socket(socket as StdSocket) })
})
}
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