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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 #include "mt.h"
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <sys/types.h>
35
36 #define VSTR "# VERSION="
37
38
39 /*
40 * check_version - check to make sure designated file is the correct version
41 * returns : 0 - version correct
42 * 1 - version incorrect
43 * 2 - could not open file
44 * 3 - corrupt file
45 */
46
47
48 int
check_version(int ver,char * fname)49 check_version(int ver, char *fname)
50 {
51 FILE *fp; /* file pointer for sactab */
52 char line[BUFSIZ]; /* temp buffer for input */
53 char *p; /* working pointer */
54 int version; /* version number from sactab */
55
56 if ((fp = fopen(fname, "rF")) == NULL)
57 return (2);
58 p = line;
59 while (fgets(p, BUFSIZ, fp)) {
60 if (strncmp(p, VSTR, strlen(VSTR)) == 0) {
61 p += strlen(VSTR);
62 if (*p)
63 version = atoi(p);
64 else
65 return (3);
66 (void) fclose(fp);
67 return ((version != ver) ? 1 : 0);
68 }
69 p = line;
70 }
71 return (3);
72 }
73