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 #pragma ident "%Z%%M% %I% %E% SMI"
31
32 #include "mt.h"
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <sys/types.h>
37
38 #define VSTR "# VERSION="
39
40
41 /*
42 * check_version - check to make sure designated file is the correct version
43 * returns : 0 - version correct
44 * 1 - version incorrect
45 * 2 - could not open file
46 * 3 - corrupt file
47 */
48
49
50 int
check_version(int ver,char * fname)51 check_version(int ver, char *fname)
52 {
53 FILE *fp; /* file pointer for sactab */
54 char line[BUFSIZ]; /* temp buffer for input */
55 char *p; /* working pointer */
56 int version; /* version number from sactab */
57
58 if ((fp = fopen(fname, "rF")) == NULL)
59 return (2);
60 p = line;
61 while (fgets(p, BUFSIZ, fp)) {
62 if (strncmp(p, VSTR, strlen(VSTR)) == 0) {
63 p += strlen(VSTR);
64 if (*p)
65 version = atoi(p);
66 else
67 return (3);
68 (void) fclose(fp);
69 return ((version != ver) ? 1 : 0);
70 }
71 p = line;
72 }
73 return (3);
74 }
75