1 /*-
2 * Copyright (c) 2002, 2003 Gordon Tetlow
3 * Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
4 * Copyright (c) 2014 The FreeBSD Foundation
5 * All rights reserved.
6 *
7 * This software was developed by Edward Tomasz Napierala under sponsorship
8 * from the FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/types.h>
33 #include <ufs/ufs/dinode.h>
34 #include <ufs/ffs/fs.h>
35
36 #include <errno.h>
37 #include <libufs.h>
38 #include <stdint.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42
43 #include "fstyp.h"
44
45 int
fstyp_ufs(FILE * fp,char * label,size_t labelsize)46 fstyp_ufs(FILE *fp, char *label, size_t labelsize)
47 {
48 struct fs *fs;
49
50 switch (sbget(fileno(fp), &fs, UFS_STDSB, UFS_NOCSUM)) {
51 case 0:
52 strlcpy(label, fs->fs_volname, labelsize);
53 free(fs);
54 return (0);
55 case ENOENT:
56 /* Cannot find file system superblock */
57 return (1);
58 default:
59 /* Unable to read file system superblock */
60 return (1);
61 }
62 }
63