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 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