/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1997, 1998 Apple Computer, Inc. * * The information contained herein is subject to change without * notice and should not be construed as a commitment by Apple * Computer, Inc. Apple Computer, Inc. assumes no responsibility * for any errors that may appear. * * Confidential and Proprietary to Apple Computer, Inc. * */ /* @(#)atalk_status.c: Copyright 1997, Apple Computer, Inc. */ /* 11-21-97 Vida Amani new */ #include <unistd.h> #include <fcntl.h> #include <sys/errno.h> #include <sys/param.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <net/if.h> #include <netat/appletalk.h> #include <netat/at_var.h> #include <AppleTalk/at_proto.h> /* if OTHERERROR is returned then errno may be checked for the reason */ int checkATStack() { int s, rc=0; at_state_t global_state; if ((s = socket(AF_APPLETALK, SOCK_RAW, 0)) < 0) return(NOTLOADED); rc = ioctl(s, AIOCGETSTATE, (caddr_t)&global_state); (void)close(s); if (rc == 0) if (global_state.flags & AT_ST_STARTED) return(RUNNING); else return(LOADED); else return(OTHERERROR); }