lib/libzfsbootenv/lzbe_util.c

   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 }