xref: /freebsd/sys/contrib/openzfs/lib/libzfsbootenv/lzbe_util.c (revision fe6060f10f634930ff71b7c50291ddc610da2475)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 /*
12  * Copyright 2020 Toomas Soome <tsoome@me.com>
13  */
14 
15 #include <sys/types.h>
16 #include <string.h>
17 #include <libzfs.h>
18 #include <libzfsbootenv.h>
19 
20 /*
21  * Output bootenv information.
22  */
23 int
24 lzbe_bootenv_print(const char *pool, const char *nvlist, FILE *of)
25 {
26 	nvlist_t *nv;
27 	int rv = -1;
28 
29 	if (pool == NULL || *pool == '\0' || of == NULL)
30 		return (rv);
31 
32 	rv = lzbe_nvlist_get(pool, nvlist, (void **)&nv);
33 	if (rv == 0) {
34 		nvlist_print(of, nv);
35 		nvlist_free(nv);
36 	}
37 
38 	return (rv);
39 }
40