Home | History | Annotate | Download | only in biff
      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 
     23 /*
     24  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
     25  * Use is subject to license terms.
     26  */
     27 
     28 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
     29 /*	  All Rights Reserved  	*/
     30 
     31 /*
     32  * University Copyright- Copyright (c) 1982, 1986, 1988
     33  * The Regents of the University of California
     34  * All Rights Reserved
     35  *
     36  * University Acknowledgment- Portions of this document are derived from
     37  * software developed by the University of California, Berkeley, and its
     38  * contributors.
     39  */
     40 
     41 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     42 
     43 /*
     44  * biff
     45  */
     46 
     47 #include <stdlib.h>
     48 #include <unistd.h>
     49 #include <sys/types.h>
     50 #include <sys/stat.h>
     51 #include <stdio.h>
     52 #include <locale.h>
     53 
     54 int
     55 main(int argc, char **argv)
     56 {
     57 	char *cp = ttyname(2);
     58 	struct stat stb;
     59 
     60 	(void) setlocale(LC_ALL, "");
     61 
     62 #if !defined(TEXT_DOMAIN)
     63 #define	TEXT_DOMAIN "SYS_TEST"
     64 #endif
     65 	(void) textdomain(TEXT_DOMAIN);
     66 
     67 	argc--, argv++;
     68 	if (cp == 0) {
     69 		(void) fprintf(stderr,
     70 			gettext("biff failed:  cannot locate your tty:  "
     71 				"ttyname() for file descriptor 2 returned"
     72 				" NULL\n"));
     73 		exit(1);
     74 	}
     75 	if (stat(cp, &stb) < 0)
     76 		perror(cp), exit(1);
     77 	if (argc == 0) {
     78 		(void) printf("is %s\n",
     79 			stb.st_mode&0100 ? gettext("y") : gettext("n"));
     80 		exit((stb.st_mode&0100) ? 0 : 1);
     81 	}
     82 	switch (argv[0][0]) {
     83 
     84 	case 'y':
     85 		if (chmod(cp, stb.st_mode|0100) < 0)
     86 			perror(cp);
     87 		break;
     88 
     89 	case 'n':
     90 		if (chmod(cp, stb.st_mode&~0100) < 0)
     91 			perror(cp);
     92 		break;
     93 
     94 	default:
     95 		(void) fprintf(stderr, gettext("usage: biff [y] [n]\n"));
     96 	}
     97 	return ((stb.st_mode&0100) ? 0 : 1);
     98 }
     99