xref: /illumos-gate/usr/src/cmd/acct/lib/lintodev.c (revision 89b2a9fbeabf42fa54594df0e5927bcc50a07cc9)
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 #ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.9	*/
27 /*
28  *	convert linename to device
29  *	return -1 if nonexistent or not character device
30  */
31 #include <stdio.h>
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/stat.h>
35 #include "acctdef.h"
36 static	char	devtty[5+LSZ+1]	= "/dev/xxxxxxxx";
37 char	*strncpy();
38 
39 dev_t
40 lintodev(linename)
41 char linename[LSZ];
42 {
43 	struct stat sb;
44 	strncpy(&devtty[5], linename, LSZ);
45 	if (stat(devtty, &sb) != -1 && (sb.st_mode&S_IFMT) == S_IFCHR)
46 		return((dev_t)sb.st_rdev);
47 	return((dev_t)NODEV);
48 }
49