2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2013 The FreeBSD Foundation
7 * This software was developed by Pawel Jakub Dawidek under sponsorship from
8 * the FreeBSD Foundation.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/kernel.h>
40 #include <sys/systm.h>
41 #include <sys/malloc.h>
43 #include <machine/stdarg.h>
57 #define DNVLIST_GET(ftype, type) \
59 dnvlist_get_##type(const nvlist_t *nvl, const char *name, ftype defval) \
62 if (nvlist_exists_##type(nvl, name)) \
63 return (nvlist_get_##type(nvl, name)); \
68 DNVLIST_GET(bool, bool)
69 DNVLIST_GET(uint64_t, number)
70 DNVLIST_GET(const char *, string)
71 DNVLIST_GET(const nvlist_t *, nvlist)
73 DNVLIST_GET(int, descriptor)
79 dnvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep,
80 const void *defval, size_t defsize)
84 if (nvlist_exists_binary(nvl, name))
85 value = nvlist_get_binary(nvl, name, sizep);
94 #define DNVLIST_TAKE(ftype, type) \
96 dnvlist_take_##type(nvlist_t *nvl, const char *name, ftype defval) \
99 if (nvlist_exists_##type(nvl, name)) \
100 return (nvlist_take_##type(nvl, name)); \
105 DNVLIST_TAKE(bool, bool)
106 DNVLIST_TAKE(uint64_t, number)
107 DNVLIST_TAKE(char *, string)
108 DNVLIST_TAKE(nvlist_t *, nvlist)
110 DNVLIST_TAKE(int, descriptor)
116 dnvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep,
117 void *defval, size_t defsize)
121 if (nvlist_exists_binary(nvl, name))
122 value = nvlist_take_binary(nvl, name, sizep);