1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 /* 26 * Copyright (c) 1998 by Sun Microsystems, Inc. 27 * All rights reserved. 28 */ 29 30 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */ 31 32 #include <stdio.h> 33 #include <string.h> 34 #include <sys/types.h> 35 #include <utmpx.h> 36 37 #ifndef TRUE 38 #define TRUE 1 39 #define FALSE 0 40 #endif 41 42 int isbusy(char *); 43 44 /* Is this login being used */ 45 int 46 isbusy(char *login) 47 { 48 struct utmpx *utxptr; 49 50 setutxent(); 51 while ((utxptr = getutxent()) != NULL) 52 /* 53 * If login is in the utmp file, and that process 54 * isn't dead, then it "is_busy()" 55 */ 56 if ((strncmp(login, utxptr->ut_user, 57 sizeof (utxptr->ut_user)) == 0) && \ 58 utxptr->ut_type != DEAD_PROCESS) 59 return (TRUE); 60 61 return (FALSE); 62 } 63