2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2005, 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:
39 #include <sys/types.h>
41 #include <sys/socket.h>
48 expect(int s, int match, char *buf)
63 n = recv(s, ptr, size, MSG_PEEK);
65 fprintf(stderr, "Expecting code %d\n", match);
67 errno = WSAGetLastError();
74 if ((p = strchr(ptr, '\n')) == NULL) {
79 cc = recv(s, ptr, n, 0);
83 errno = WSAGetLastError();
85 perror("expect: read");
89 fprintf(stderr, "expect: short read (%d not %d)\n", cc, n);
93 if ((n = recv(s, ptr, size, MSG_PEEK)) <= 0) {
94 fprintf(stderr, "Expecting %d, got %s\n", match, buf);
99 } while ((p = strchr(ptr, '\n')) == 0);
100 newline = 1 + p - buf;
103 newline = 1 + p - ptr;
105 cc = read(s, buf, newline);
107 cc = recv(s, buf, newline, 0);
111 errno = WSAGetLastError();
113 perror("expect: read #2");
117 fprintf(stderr, "expect: short read #2 (%d not %d)\n",
125 if (!isxdigit(*buf)) {
126 fprintf(stderr, "Expecting %d, got %s\n", match, buf);
133 *buf = tolower(*buf);
134 code = 10 + *buf - 'a';
142 sendcmd(int s, char *cmd, char *arg)
148 (void)sprintf(buf, "%s %s\n", cmd, arg != NULL ? arg : "");
151 cc = write(s, buf, len);
153 cc = send(s, buf, len, 0);
157 errno = WSAGetLastError();
159 perror("sendcmd: write");
162 fprintf(stderr, "sendcmd: short write (%d not %d)\n", cc, len);