2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2006, 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 * expect.c: Read from the socket, expecting to see a particular code.
30 * Known contributors to this file:
41 #include <sys/types.h>
43 #include <sys/socket.h>
48 recvline(int s, char *buf)
63 n = recv(s, ptr, size, MSG_PEEK);
66 errno = WSAGetLastError();
73 if ((p = strchr(ptr, '\n')) == NULL) {
78 cc = recv(s, ptr, n, 0);
82 errno = WSAGetLastError();
84 perror("expect: read");
88 fprintf(stderr, "expect: short read (%d not %d)\n", cc, n);
92 if ((n = recv(s, ptr, size, MSG_PEEK)) <= 0) {
94 errno = WSAGetLastError();
101 } while ((p = strchr(ptr, '\n')) == 0);
102 newline = 1 + p - buf;
105 newline = 1 + p - ptr;
107 cc = read(s, buf, newline);
109 cc = recv(s, buf, newline, 0);
113 errno = WSAGetLastError();
115 perror("expect: read #2");
119 fprintf(stderr, "expect: short read #2 (%d not %d)\n",
127 if (!isxdigit(*buf)) {
128 fprintf(stderr, "Malformed line %s\n", buf);
135 *buf = tolower(*buf);
136 code = 10 + *buf - 'a';
142 expect(int s, int match, char *buf)
144 int code = recvline(s, buf);
145 return code == match;
149 sendcmd(int s, char *cmd, char *arg)
155 (void)sprintf(buf, "%s %s\n", cmd, arg != NULL ? arg : "");
158 cc = write(s, buf, len);
160 cc = send(s, buf, len, 0);
164 errno = WSAGetLastError();
166 perror("sendcmd: write");
169 fprintf(stderr, "sendcmd: short write (%d not %d)\n", cc, len);