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/*-
* Copyright (c) 2013 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Pawel Jakub Dawidek under sponsorship from
* the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifdef _KERNEL
#include <sys/types.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <machine/stdarg.h>
#else
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#endif
#include <sys/nv.h>
#include <sys/nv_impl.h>
#include <sys/dnv.h>
#define DNVLIST_GET(ftype, type) \
ftype \
dnvlist_get_##type(const nvlist_t *nvl, const char *name, ftype defval) \
{ \
\
if (nvlist_exists_##type(nvl, name)) \
return (nvlist_get_##type(nvl, name)); \
else \
return (defval); \
}
DNVLIST_GET(bool, bool)
DNVLIST_GET(uint64_t, number)
DNVLIST_GET(const char *, string)
DNVLIST_GET(const nvlist_t *, nvlist)
#ifndef _KERNEL
DNVLIST_GET(int, descriptor)
#endif
#undef DNVLIST_GET
const void *
dnvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep,
const void *defval, size_t defsize)
{
const void *value;
if (nvlist_exists_binary(nvl, name))
value = nvlist_get_binary(nvl, name, sizep);
else {
if (sizep != NULL)
*sizep = defsize;
value = defval;
}
return (value);
}
#define DNVLIST_TAKE(ftype, type) \
ftype \
dnvlist_take_##type(nvlist_t *nvl, const char *name, ftype defval) \
{ \
\
if (nvlist_exists_##type(nvl, name)) \
return (nvlist_take_##type(nvl, name)); \
else \
return (defval); \
}
DNVLIST_TAKE(bool, bool)
DNVLIST_TAKE(uint64_t, number)
DNVLIST_TAKE(char *, string)
DNVLIST_TAKE(nvlist_t *, nvlist)
#ifndef _KERNEL
DNVLIST_TAKE(int, descriptor)
#endif
#undef DNVLIST_TAKE
void *
dnvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep,
void *defval, size_t defsize)
{
void *value;
if (nvlist_exists_binary(nvl, name))
value = nvlist_take_binary(nvl, name, sizep);
else {
if (sizep != NULL)
*sizep = defsize;
value = defval;
}
return (value);
}
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