xref: /freebsd/usr.sbin/fstyp/fstyp.h (revision 7899f917b1c0ea178f1d2be0cfb452086d079d23)
1 /*-
2  * Copyright (c) 2014 The FreeBSD Foundation
3  *
4  * This software was developed by Edward Tomasz Napierala under sponsorship
5  * from the FreeBSD Foundation.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef FSTYP_H
30 #define	FSTYP_H
31 
32 #include <stdbool.h>
33 
34 #define	MIN(a,b) (((a)<(b))?(a):(b))
35 
36 /* The spec doesn't seem to permit UTF-16 surrogates; definitely LE. */
37 #define	EXFAT_ENC	"UCS-2LE"
38 /*
39  * NTFS itself is agnostic to encoding; it just stores 255 u16 wchars.  In
40  * practice, UTF-16 seems expected for NTFS.  (Maybe also for exFAT.)
41  */
42 #define	NTFS_ENC	"UTF-16LE"
43 
44 extern bool	show_label;	/* -l flag */
45 
46 void	*read_buf(FILE *fp, off_t off, size_t len);
47 char	*checked_strdup(const char *s);
48 void	rtrim(char *label, size_t size);
49 
50 int	fstyp_apfs(FILE *fp, char *label, size_t size);
51 int	fstyp_befs(FILE *fp, char *label, size_t size);
52 int	fstyp_cd9660(FILE *fp, char *label, size_t size);
53 int	fstyp_exfat(FILE *fp, char *label, size_t size);
54 int	fstyp_ext2fs(FILE *fp, char *label, size_t size);
55 int	fstyp_geli(FILE *fp, char *label, size_t size);
56 int	fstyp_hammer(FILE *fp, char *label, size_t size);
57 int	fstyp_hammer2(FILE *fp, char *label, size_t size);
58 int	fstyp_hfsp(FILE *fp, char *label, size_t size);
59 int	fstyp_msdosfs(FILE *fp, char *label, size_t size);
60 int	fstyp_ntfs(FILE *fp, char *label, size_t size);
61 int	fstyp_ufs(FILE *fp, char *label, size_t size);
62 #ifdef HAVE_ZFS
63 int	fstyp_zfs(FILE *fp, char *label, size_t size);
64 #endif
65 
66 #endif /* !FSTYP_H */
67