xref: /freebsd-src/sys/contrib/openzfs/lib/libspl/os/freebsd/getmntany.c (revision eda14cbc264d6969b02f2b1994cef11148e914f1)
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 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Copyright 2006 Ricardo Correia.  All rights reserved.
25  * Use is subject to license terms.
26  */
27 
28 /*	Copyright (c) 1988 AT&T	*/
29 /*	  All Rights Reserved	*/
30 
31 #include <stdio.h>
32 #include <string.h>
33 #include <sys/errno.h>
34 #include <sys/mnttab.h>
35 #include <sys/types.h>
36 #include <sys/sysmacros.h>
37 #include <sys/stat.h>
38 #include <unistd.h>
39 
40 #define	BUFSIZE	(MNT_LINE_MAX + 2)
41 
42 __thread char buf[BUFSIZE];
43 
44 int
45 getextmntent(const char *path, struct extmnttab *entry, struct stat64 *statbuf)
46 {
47 	struct statfs sfs;
48 
49 	if (strlen(path) >= MAXPATHLEN) {
50 		(void) fprintf(stderr, "invalid object; pathname too long\n");
51 		return (-1);
52 	}
53 
54 	if (stat64(path, statbuf) != 0) {
55 		(void) fprintf(stderr, "cannot open '%s': %s\n",
56 		    path, strerror(errno));
57 		return (-1);
58 	}
59 
60 	if (statfs(path, &sfs) != 0) {
61 		(void) fprintf(stderr, "%s: %s\n", path,
62 		    strerror(errno));
63 		return (-1);
64 	}
65 	statfs2mnttab(&sfs, (struct mnttab *)entry);
66 	return (0);
67 }
68