2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2007, 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 * main.c: client main function
30 * Known contributors to this file:
33 * Ron Koenderink, 2004-2005
34 * Markus Armbruster, 2005-2007
46 print_usage(char *program_name)
48 printf("Usage: %s [OPTION]...[COUNTRY [PASSWORD]]\n"
49 " -2 FILE Append log of session to FILE\n"
50 " -k Kill connection\n"
52 " -h display this help and exit\n"
53 " -v display version information and exit\n",
58 main(int argc, char **argv)
61 char *auxfname = NULL;
77 * stdout is unbuffered under Windows if connected to a character
78 * device, and putchar() screws up when printing multibyte strings
79 * bytewise to an unbuffered stream. Switch stdout to line-
80 * buffered mode. Unfortunately, ISO C allows implementations to
81 * screw that up, and of course Windows does. Manual flushing
82 * after each prompt is required.
84 setvbuf(stdout, NULL, _IOLBF, 4096);
87 while ((opt = getopt(argc, argv, "2:kuhv")) != EOF) {
96 utf8 = eight_bit_clean = 1;
102 printf("%s\n\n%s", version, legal);
105 print_usage(argv[0]);
114 country = getenv("COUNTRY");
118 passwd = getenv("PLAYER");
119 port = getenv("EMPIREPORT");
122 host = getenv("EMPIREHOST");
125 uname = getenv("LOGNAME");
130 pwd = getpwuid(getuid());
132 fprintf(stderr, "You don't exist. Go away\n");
135 uname = pwd->pw_name;
139 unamesize = sizeof(unamebuf);
140 if (GetUserName(unamebuf, &unamesize)) {
142 if ((unamesize <= 0 ) || (strlen(uname) <= 0))
150 if (auxfname && (auxfp = fopen(auxfname, "a")) == NULL) {
151 fprintf(stderr, "Unable to open %s for append\n", auxfname);
156 err = WSAStartup(MAKEWORD(2, 0), &WsaData);
158 printf("WSAStartup Failed, error code %d\n", err);
163 sock = tcp_connect(host, port);
165 if (!login(sock, uname, country, passwd, send_kill, utf8))