Import of Empire 4.2.12

src/lib/player/recvclient.c

@@ -0,0 +1,72 @@
+/*
+ *  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.
+ *
+ *  ---
+ *
+ *  recvclient.c: Send and receive commands from the client
+ * 
+ *  Known contributors to this file:
+ *     Dave Pare, 1986
+ */
+
+#include "prototypes.h"
+#include <stdio.h>
+#include "misc.h"
+#include "bit.h"
+#include "empio.h"
+#include "player.h"
+#include "empthread.h"
+
+#include <errno.h>
+
+int
+recvclient(s_char *cmd, int size)
+{
+	extern	int errno;
+	int	count;
+
+	if (player->aborted)
+		return -2; 
+	count = io_gets(player->iop, cmd, size);
+	while (!player->aborted && count < 0) {
+		io_output_all(player->iop);
+		io_input(player->iop, IO_WAIT);
+		if (io_error(player->iop))
+			player->aborted++;
+		else if (io_eof(player->iop))
+			return -1;
+		else
+			count = io_gets(player->iop, cmd, size);
+	}
+	if (count > 0) {
+		if (strcmp(cmd, "ctld") == 0)
+			return -1;
+		if (strcmp(cmd, "aborted") == 0)
+			player->aborted = 1;
+	}
+	if (player->aborted)
+		return -2;
+	return count;
+}