empserver/src/client/serverio.c
Marc Olzheim 6a99690e4e Get rid of "s_char", "register" and 0 used instead of NULL in the
client source.  No functional changes.
2005-03-15 21:47:41 +00:00

81 lines
2 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* serverio.c: Handle input from server
*
* Known contributors to this file:
* Steve McClure, 1998
*/
#include "misc.h"
#include "queue.h"
#include "ioqueue.h"
#include <stdio.h>
#include <stdlib.h>
#if !defined(_WIN32)
#include <unistd.h>
#else
#include <winsock.h>
#include <io.h>
#endif
int
serverio(int s, struct ioqueue *ioq)
{
char *buf;
int n;
if ((buf = malloc(ioq->bsize)) == NULL) {
fprintf(stderr, "malloc server i/o failed\n");
return 0;
}
#ifdef _WIN32
n = recv(s, buf, ioq->bsize, 0);
#else
n = read(s, buf, ioq->bsize);
#endif
if (n < 0) {
#ifdef _WIN32
errno = WSAGetLastError();
#endif
perror("server i/o read");
free(buf);
return 0;
}
if (n == 0) {
fprintf(stderr, "Server EOF\n");
(void)close(s);
return 0;
}
if (n != ioq->bsize)
buf = (char *)realloc(buf, n);
ioq_write(ioq, buf, n);
return 1;
}