2 * Copyright (c) 2017 The DragonFly Project
5 * This software was developed by Edward Tomasz Napierala under sponsorship
6 * from the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <vfs/hammer2/hammer2_disk.h>
38 static hammer2_volume_data_t
*
39 __read_voldata(FILE *fp
)
41 hammer2_volume_data_t
*voldata
;
43 voldata
= read_buf(fp
, 0, sizeof(*voldata
));
45 err(1, "failed to read volume data");
51 __test_voldata(const hammer2_volume_data_t
*voldata
)
53 if (voldata
->magic
!= HAMMER2_VOLUME_ID_HBO
&&
54 voldata
->magic
!= HAMMER2_VOLUME_ID_ABO
)
61 fstyp_hammer2(FILE *fp
, char *label
, size_t size
)
63 hammer2_volume_data_t
*voldata
;
66 voldata
= __read_voldata(fp
);
67 if (__test_voldata(voldata
))
70 // XXX -l option not supported yet
71 //strlcpy(label, "label", size);