2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * expect.c: Read from the socket, expecting to see a particular code.
30 * Known contributors to this file:
40 #include <sys/types.h>
42 #include <sys/socket.h>
49 expect(int s, int match, s_char *buf)
64 n = recv(s, ptr, size, MSG_PEEK);
66 fprintf(stderr, "Expecting code %d\n", match);
68 errno = WSAGetLastError();
75 if ((p = strchr(ptr, '\n')) == 0) {
80 cc = recv(s, ptr, n, 0);
84 errno = WSAGetLastError();
86 perror("expect: read");
90 fprintf(stderr, "expect: short read (%d not %d)\n", cc, n);
94 if ((n = recv(s, ptr, size, MSG_PEEK)) <= 0) {
95 fprintf(stderr, "Expecting %d, got %s\n", match, buf);
100 } while ((p = strchr(ptr, '\n')) == 0);
101 newline = 1 + p - buf;
104 newline = 1 + p - ptr;
106 cc = read(s, buf, newline);
108 cc = recv(s, buf, newline, 0);
112 errno = WSAGetLastError();
114 perror("expect: read #2");
118 fprintf(stderr, "expect: short read #2 (%d not %d)\n",
126 if (!isxdigit(*buf)) {
127 fprintf(stderr, "Expecting %d, got %s\n", match, buf);
134 *buf = tolower(*buf);
135 code = 10 + *buf - 'a';
143 sendcmd(int s, int cmd, s_char *arg)
149 (void)sprintf(buf, "%s %s\n", fnlist[cmd].name, arg != 0 ? arg : "");
152 cc = write(s, buf, len);
154 cc = send(s, buf, len, 0);
158 errno = WSAGetLastError();
160 perror("sendcmd: write");
163 fprintf(stderr, "sendcmd: short write (%d not %d)\n", cc, len);