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Import of Empire 4.2.12

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Markus Armbruster 2003-08-23 12:23:04 +00:00
commit d8b7fdfae1
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src/client/serverio.c Normal file
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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, 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>
#if !defined(_WIN32)
#include <unistd.h>
#endif
#ifdef _WIN32
#include <malloc.h>
#include <winsock.h>
#endif
void free();
void ioq_write();
int
serverio(s, ioq)
int s;
struct ioqueue *ioq;
{
#ifndef _WIN32
extern s_char *realloc();
#else
extern void *realloc();
#endif
s_char *buf;
int n;
if ((buf = malloc(ioq->bsize)) == 0) {
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 = (s_char *)realloc(buf, n);
ioq_write(ioq, buf, n);
return 1;
}