2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * sysdep_w32.c: system dependent functions for WIN32 environments
30 * Known contributors to this file:
31 * Ron Koenderink, 2007
32 * Markus Armbruster, 2009
41 fd_is_socket(int fd, SOCKET *sockp)
46 sock = W32_FD_TO_SOCKET(fd);
49 return WSAEnumNetworkEvents(sock, NULL, &ev) == 0;
53 w32_set_winsock_errno(void)
55 int err = WSAGetLastError();
58 /* Map some WSAE* errors to the runtime library's error codes. */
61 case WSA_INVALID_HANDLE:
64 case WSA_NOT_ENOUGH_MEMORY:
67 case WSA_INVALID_PARAMETER:
80 errno = (err > 10000 && err < 10025) ? err - 10000 : err;
86 * Get user name in the WIN32 environment
91 static char unamebuf[128];
92 static struct passwd pwd;
95 unamesize = sizeof(unamebuf);
96 if (GetUserName(unamebuf, &unamesize)) {
97 pwd.pw_name = unamebuf;
98 if (unamesize == 0 || strlen(unamebuf) == 0)
99 pwd.pw_name = "nobody";
101 pwd.pw_name = "nobody";
106 * Initialize the WIN32 socket library and
107 * set up stdout to work around bugs
110 w32_sysdep_init(void)
115 * stdout is unbuffered under Windows if connected to a character
116 * device, and putchar() screws up when printing multibyte strings
117 * bytewise to an unbuffered stream. Switch stdout to line-
118 * buffered mode. Unfortunately, ISO C allows implementations to
119 * screw that up, and of course Windows does. Manual flushing
120 * after each prompt is required.
122 setvbuf(stdout, NULL, _IOLBF, 4096);
123 err = WSAStartup(MAKEWORD(2, 0), &WsaData);
125 printf("WSAStartup Failed, error code %d\n", err);
131 * POSIX compatible socket() replacement
135 w32_socket(int domain, int type, int protocol)
140 * We have to use WSASocket() to create non-overlapped IO sockets.
141 * Overlapped IO sockets cannot be used with read/write.
143 sock = WSASocket(domain, type, protocol, NULL, 0, 0);
144 if (sock == INVALID_SOCKET) {
145 w32_set_winsock_errno();
148 return W32_SOCKET_TO_FD(sock);
152 * POSIX compatible connect() replacement
156 w32_connect(int sockfd, const struct sockaddr *addr, int addrlen)
158 SOCKET sock = W32_FD_TO_SOCKET(sockfd);
161 result = connect(sock, addr, addrlen);
162 if (result == SOCKET_ERROR) {
163 /* FIXME map WSAEWOULDBLOCK to EINPROGRESS */
164 w32_set_winsock_errno();
171 * POSIX compatible recv() replacement
175 w32_recv(int sockfd, void *buffer, size_t buf_size, int flags)
177 SOCKET socket = W32_FD_TO_SOCKET(sockfd);
180 result = recv(socket, buffer, buf_size, flags);
181 if (result == SOCKET_ERROR) {
182 w32_set_winsock_errno();
189 * POSIX compatible send() replacement
192 w32_send(int sockfd, const void *buffer, size_t buf_size, int flags)
194 SOCKET socket = W32_FD_TO_SOCKET(sockfd);
197 result = send(socket, buffer, buf_size, flags);
198 if (result == SOCKET_ERROR)
199 w32_set_winsock_errno();
204 * POSIX compatible close() replacement
211 if (fd_is_socket(fd, &sock)) {
212 if (closesocket(sock)) {
213 w32_set_winsock_errno();
217 * This always fails because the underlying handle is already
218 * gone, but it closes the fd just fine.