1 /* connect.c --- wrappers for Windows connect function
2 
3    Copyright (C) 2008-2018 Free Software Foundation, Inc.
4 
5    This program is free software: you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 3 of the License, or
8    (at your option) any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
17 
18 /* Written by Paolo Bonzini */
19 
20 #include <config.h>
21 
22 #define WIN32_LEAN_AND_MEAN
23 /* Get winsock2.h. */
24 #include <sys/socket.h>
25 
26 /* Get set_winsock_errno, FD_TO_SOCKET etc. */
27 #include "w32sock.h"
28 
29 #undef connect
30 
31 int
rpl_connect(int fd,const struct sockaddr * sockaddr,socklen_t len)32 rpl_connect (int fd, const struct sockaddr *sockaddr, socklen_t len)
33 {
34   SOCKET sock = FD_TO_SOCKET (fd);
35 
36   if (sock == INVALID_SOCKET)
37     {
38       errno = EBADF;
39       return -1;
40     }
41   else
42     {
43       int r = connect (sock, sockaddr, len);
44       if (r < 0)
45         {
46           /* EINPROGRESS is not returned by WinSock 2.0; for backwards
47              compatibility, connect(2) uses EWOULDBLOCK.  */
48           if (WSAGetLastError () == WSAEWOULDBLOCK)
49             WSASetLastError (WSAEINPROGRESS);
50 
51           set_winsock_errno ();
52         }
53 
54       return r;
55     }
56 }
57