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, 1990, 1991, 1997 SMI */ 23 /* All Rights Reserved */ 24 25 #ident "%Z%%M% %I% %E% SMI" 26 27 #include <stdio.h> 28 #include <deflt.h> 29 #include <string.h> 30 31 #define LOCAL "/etc/default/fs" 32 #define REMOTE "/etc/dfs/fstypes" 33 34 /* 35 * This is used to figure out the default file system type if "-F FStype" 36 * is not specified with the file system command and no entry in the 37 * /etc/vfstab matches the specified special. 38 * If the first character of the "special" is a "/" (eg, "/dev/dsk/c0d1s2"), 39 * returns the default local filesystem type. 40 * Otherwise (eg, "server:/path/name" or "resource"), returns the default 41 * remote filesystem type. 42 */ 43 char * 44 default_fstype(char *special) 45 { 46 char *deffs; 47 static char buf[BUFSIZ]; 48 FILE *fp; 49 50 if (*special == '/') { 51 if (defopen(LOCAL) != 0) 52 return ("ufs"); 53 else { 54 if ((deffs = defread("LOCAL=")) == NULL) { 55 defopen(NULL); /* close default file */ 56 return ("ufs"); 57 } else { 58 defopen(NULL); /* close default file */ 59 return (deffs); 60 } 61 } 62 } else { 63 if ((fp = fopen(REMOTE, "r")) == NULL) 64 return ("nfs"); 65 else { 66 if (fgets(buf, sizeof (buf), fp) == NULL) { 67 fclose(fp); 68 return ("nfs"); 69 } else { 70 deffs = strtok(buf, " \t\n"); 71 fclose(fp); 72 return (deffs); 73 } 74 } 75 } 76 } 77