2 * Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
37 #include <libnvpair.h>
38 #include <sys/vdev_impl.h>
43 fstyp_zfs(FILE *fp, char *label, size_t labelsize)
45 vdev_label_t *zpool_ptr = NULL;
46 vdev_label_t zpool_label;
47 char *buf = zpool_label.vl_vdev_phys.vp_nvlist;
48 char *zpool_name = NULL;
49 size_t buflen = sizeof (zpool_label.vl_vdev_phys.vp_nvlist);
50 nvlist_t *config = NULL;
52 zpool_ptr = (vdev_label_t *)read_buf(fp, 0, sizeof(zpool_label));
53 if (zpool_ptr == NULL)
55 zpool_label = *zpool_ptr;
56 if (nvlist_unpack(buf, buflen, &config, 0) != 0)
58 if (nvlist_lookup_string(config, "name", &zpool_name) != 0)
60 strlcpy(label, zpool_name, labelsize);