54f98da930
directory sys/contrib/libnv. The goal of this operation is to NOT install header files which shouldn't be used outside the nvlist library. Approved by: pjd (mentor)
129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/*-
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* Copyright (c) 2013 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Pawel Jakub Dawidek under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifdef _KERNEL
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <machine/stdarg.h>
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#else
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#endif
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#include <sys/dnv.h>
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#include <sys/nv.h>
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#include "nv_impl.h"
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#define DNVLIST_GET(ftype, type) \
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ftype \
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dnvlist_get_##type(const nvlist_t *nvl, const char *name, ftype defval) \
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{ \
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\
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if (nvlist_exists_##type(nvl, name)) \
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return (nvlist_get_##type(nvl, name)); \
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else \
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return (defval); \
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}
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DNVLIST_GET(bool, bool)
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DNVLIST_GET(uint64_t, number)
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DNVLIST_GET(const char *, string)
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DNVLIST_GET(const nvlist_t *, nvlist)
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#ifndef _KERNEL
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DNVLIST_GET(int, descriptor)
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#endif
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#undef DNVLIST_GET
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const void *
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dnvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep,
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const void *defval, size_t defsize)
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{
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const void *value;
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if (nvlist_exists_binary(nvl, name))
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value = nvlist_get_binary(nvl, name, sizep);
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else {
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if (sizep != NULL)
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*sizep = defsize;
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value = defval;
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}
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return (value);
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}
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#define DNVLIST_TAKE(ftype, type) \
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ftype \
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dnvlist_take_##type(nvlist_t *nvl, const char *name, ftype defval) \
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{ \
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\
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if (nvlist_exists_##type(nvl, name)) \
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return (nvlist_take_##type(nvl, name)); \
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else \
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return (defval); \
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}
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DNVLIST_TAKE(bool, bool)
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DNVLIST_TAKE(uint64_t, number)
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DNVLIST_TAKE(char *, string)
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DNVLIST_TAKE(nvlist_t *, nvlist)
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#ifndef _KERNEL
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DNVLIST_TAKE(int, descriptor)
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#endif
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#undef DNVLIST_TAKE
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void *
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dnvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep,
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void *defval, size_t defsize)
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{
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void *value;
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if (nvlist_exists_binary(nvl, name))
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value = nvlist_take_binary(nvl, name, sizep);
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else {
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if (sizep != NULL)
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*sizep = defsize;
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value = defval;
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}
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return (value);
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}
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