/* $Id: connected.c 715 2006-07-27 23:53:42Z bruce $ */ /* net/connected.c - Test if a socket is connected * Copyright (C) 2001,2005 Bruce Guenter * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include "socket.h" /** Test if a socket is connected. */ int socket_connected(int sock) { struct sockaddr sa; socklen_t dummy; char ch; dummy = sizeof sa; if (getpeername(sock, &sa, &dummy) == -1) { read(sock,&ch,1); return 0; } return 1; }