Import of Empire 4.2.12
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d8b7fdfae1
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362
src/client/main.c
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362
src/client/main.c
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/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* main.c: client main function
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*
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* Known contributors to this file:
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* Dave Pare, 1986
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* Steve McClure, 1998
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*/
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#ifdef _NTSDK
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#undef _NTSDK
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#endif
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#include "misc.h"
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#include "proto.h"
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#include "queue.h"
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#include "ioqueue.h"
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#include "bit.h"
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#include <stdio.h>
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#ifndef _WIN32
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#include <pwd.h>
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#endif
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#include <signal.h>
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#include <errno.h>
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#include <time.h>
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#ifndef _WIN32
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <unistd.h>
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#else
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#include <windows.h>
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#include <winsock.h>
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#include <conio.h>
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#endif
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#ifdef _WIN32
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HANDLE hStdIn;
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#endif
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extern int errno;
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#define RETRY 3
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int interrupt;
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int sock;
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void saveargv();
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void getsose();
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int hostport();
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int hostaddr();
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int hostconnect();
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int login();
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void ioq_init();
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void io_init();
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void bit_copy();
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int handleintr();
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int termio();
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int serverio();
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void servercmd();
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void ioq_drain();
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#ifdef _WIN32
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s_char *
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index(str, c)
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s_char *str;
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char c;
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{
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static s_char *p;
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p = str;
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while (p && *p) {
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if (*p == c)
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return (s_char *)p;
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p++;
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}
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return (s_char *)0;
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}
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bzero(ptr, size)
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s_char *ptr;
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int size;
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{
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int i;
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for (i = 0; i < size; i++)
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ptr[i] = 0;
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}
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bcopy(src, dest, size)
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unsigned char *src, *dest;
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int size;
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{
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int i;
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unsigned char *d = dest,
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*s = src;
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for (i = 0; i < size; i++)
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*d++ = *s++;
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}
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#endif
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int
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main(ac, av)
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int ac;
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s_char *av[];
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{
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#ifdef _WIN32
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WSADATA WsaData;
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int err;
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fd_set readfds;
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struct timeval tm;
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INPUT_RECORD InpBuffer[10];
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DWORD numevents;
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DWORD stdinmode;
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SECURITY_ATTRIBUTES security;
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void intr(void);
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#endif
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extern s_char *getenv();
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extern s_char empireport[];
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extern s_char empirehost[];
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bit_fdmask mask;
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bit_fdmask savemask;
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struct ioqueue server;
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s_char *argv[128];
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int i, j;
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s_char *ptr;
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s_char *auxout_fname;
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FILE *auxout_fp;
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#ifndef _WIN32
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struct passwd *pwd;
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void intr();
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#endif
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struct sockaddr_in sin;
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int n;
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s_char *cname;
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s_char *pname;
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int retry = 0;
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int send_kill = 0;
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#ifdef _WIN32
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err = WSAStartup (0x0101, &WsaData);
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if (err == SOCKET_ERROR) {
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printf ("WSAStartup Failed\n");
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return FALSE;
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}
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#else
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mask = bit_newfdmask();
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savemask = bit_newfdmask();
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#endif
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bzero((s_char *)argv, sizeof(argv));
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saveargv(ac, av, argv);
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auxout_fname = 0;
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auxout_fp = 0;
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for (i = j = 1; i < ac; ++i) {
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ptr = argv[i];
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if (strcmp(ptr, "-2") == 0) {
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if (i + 1 >= ac) {
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fprintf(stderr, "-2: Missing filename!\n");
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exit(1);
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}
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auxout_fname = argv[i+1];
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++i;
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continue;
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}
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else if (strcmp(ptr, "-k") == 0) {
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send_kill = 1;
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continue;
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}
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argv[j] = argv[i];
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++j;
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}
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ac = j;
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if (auxout_fname && (auxout_fp = fopen(auxout_fname, "a")) == NULL) {
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fprintf(stderr, "Unable to open %s for append\n", auxout_fname);
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exit(1);
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}
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#ifndef _WIN32
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pwd = getpwuid(getuid());
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if (pwd == NULL) {
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fprintf(stderr, "You don't exist. Go away\n");
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exit(1);
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}
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#endif
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getsose();
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if (!hostport(getenv("EMPIREPORT"), &sin) &&
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!hostport("empire", &sin) &&
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!hostport(empireport, &sin)) {
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fprintf(stderr, "No empire port\n");
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exit(1);
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}
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if (!hostaddr(getenv("EMPIREHOST"), &sin) &&
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!hostaddr(empirehost, &sin)) {
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fprintf(stderr, "No empire host\n");
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exit(1);
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}
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if ((sock = hostconnect(&sin)) < 0)
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exit(1);
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cname = getenv("COUNTRY");
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pname = getenv("PLAYER");
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if (ac > 1)
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cname = argv[1];
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if (ac > 2)
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pname = argv[2];
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#ifndef _WIN32
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if (!login(sock, pwd->pw_name, cname, pname, send_kill)) {
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#else
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if (!login(sock, "win-empcl2.8", cname, pname, send_kill)) {
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#endif
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close(sock);
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exit(1);
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}
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ioq_init(&server, 2048);
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io_init();
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mask = bit_newfdmask();
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#ifndef _WIN32
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BIT_SETB(0, savemask);
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BIT_SETB(sock, savemask);
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#endif
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(void) signal(SIGINT, intr);
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#ifndef _WIN32
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(void) signal(SIGPIPE, SIG_IGN);
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while (BIT_ISSETB(sock, savemask)) {
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bit_copy(savemask, mask);
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n = select(sock+1, (fd_set *)mask, (fd_set *)0, (fd_set *)0,
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(struct timeval *)0);
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if (interrupt) {
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if (!handleintr(sock))
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break;
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errno = 0;
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}
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if (n <= 0) {
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if (errno == EINTR) {
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perror("select");
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(void) close(sock);
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BIT_CLRB(sock, savemask);
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}
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} else {
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if (BIT_ISSETB(0, mask)) {
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if (!termio(0, sock, auxout_fp)) {
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if (retry++ >= RETRY) {
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BIT_CLRB(0, savemask);
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}
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} else {
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retry = 0;
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}
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}
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if (BIT_ISSETB(sock, mask)) {
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if (!serverio(sock, &server))
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BIT_CLRB(sock, savemask);
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else
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servercmd(&server, auxout_fp);
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}
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}
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}
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#else
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tm.tv_sec = 0;
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tm.tv_usec = 1000;
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security.nLength = sizeof(SECURITY_ATTRIBUTES);
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security.lpSecurityDescriptor = NULL;
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security.bInheritHandle = TRUE;
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hStdIn = CreateFile("CONIN$",
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GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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&security,
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OPEN_EXISTING,
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(DWORD)NULL,
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NULL);
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if (hStdIn == INVALID_HANDLE_VALUE) {
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printf("Error getting hStdIn.\n");
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fflush(stdout);
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}
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err = GetConsoleMode(hStdIn, &stdinmode);
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if (!err) {
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printf("Error getting console mode.\n");
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fflush(stdout);
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}
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stdinmode |= ENABLE_LINE_INPUT|ENABLE_ECHO_INPUT;
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err = SetConsoleMode(hStdIn, stdinmode);
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if (!err) {
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printf("Error setting console mode.\n");
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fflush(stdout);
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}
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while (1) {
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FD_ZERO(&readfds);
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FD_SET(sock, &readfds);
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n = select(sock+1, &readfds, (fd_set *)0, (fd_set *)0,
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(struct timeval *)&tm);
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if (n < 0) {
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if (errno == EINTR) {
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errno = WSAGetLastError();
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perror("select");
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(void) close(sock);
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break;
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}
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} else {
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if (WaitForSingleObject(hStdIn, 10) != WAIT_TIMEOUT) {
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if (!termio(-1, sock, auxout_fp)) {
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if (retry++ >= RETRY) {
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;
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}
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} else {
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retry = 0;
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}
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FlushConsoleInputBuffer(hStdIn);
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}
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if (FD_ISSET(sock, &readfds)) {
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if (!serverio(sock, &server))
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break;
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else
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servercmd(&server, auxout_fp);
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}
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}
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}
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CloseHandle(hStdIn);
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#endif
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ioq_drain(&server);
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(void) close(sock);
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exit(0);
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return 0; /* Shut the compiler up */
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}
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void
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#ifdef _WIN32
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intr(void)
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#else
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intr()
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#endif
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{
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interrupt++;
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#ifdef hpux
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signal(SIGINT, intr);
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#endif
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}
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