107 lines
6.1 KiB
C
107 lines
6.1 KiB
C
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/*-
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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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* $FreeBSD$
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*/
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#ifndef _DNV_H_
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#define _DNV_H_
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#include <sys/cdefs.h>
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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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#ifndef _NVLIST_T_DECLARED
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#define _NVLIST_T_DECLARED
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struct nvlist;
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typedef struct nvlist nvlist_t;
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#endif
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/*
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* The dnvlist_get functions returns value associated with the given name.
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* If it returns a pointer, the pointer represents internal buffer and should
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* not be freed by the caller.
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* If no element of the given name and type exists, the function will return
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* provided default value.
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*/
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bool dnvlist_get_bool(const nvlist_t *nvl, const char *name, bool defval);
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uint64_t dnvlist_get_number(const nvlist_t *nvl, const char *name, uint64_t defval);
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const char *dnvlist_get_string(const nvlist_t *nvl, const char *name, const char *defval);
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const nvlist_t *dnvlist_get_nvlist(const nvlist_t *nvl, const char *name, const nvlist_t *defval);
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int dnvlist_get_descriptor(const nvlist_t *nvl, const char *name, int defval);
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const void *dnvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep, const void *defval, size_t defsize);
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bool dnvlist_getf_bool(const nvlist_t *nvl, bool defval, const char *namefmt, ...) __printflike(3, 4);
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uint64_t dnvlist_getf_number(const nvlist_t *nvl, uint64_t defval, const char *namefmt, ...) __printflike(3, 4);
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const char *dnvlist_getf_string(const nvlist_t *nvl, const char *defval, const char *namefmt, ...) __printflike(3, 4);
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const nvlist_t *dnvlist_getf_nvlist(const nvlist_t *nvl, const nvlist_t *defval, const char *namefmt, ...) __printflike(3, 4);
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int dnvlist_getf_descriptor(const nvlist_t *nvl, int defval, const char *namefmt, ...) __printflike(3, 4);
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const void *dnvlist_getf_binary(const nvlist_t *nvl, size_t *sizep, const void *defval, size_t defsize, const char *namefmt, ...) __printflike(5, 6);
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bool dnvlist_getv_bool(const nvlist_t *nvl, bool defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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uint64_t dnvlist_getv_number(const nvlist_t *nvl, uint64_t defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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const char *dnvlist_getv_string(const nvlist_t *nvl, const char *defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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const nvlist_t *dnvlist_getv_nvlist(const nvlist_t *nvl, const nvlist_t *defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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int dnvlist_getv_descriptor(const nvlist_t *nvl, int defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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const void *dnvlist_getv_binary(const nvlist_t *nvl, size_t *sizep, const void *defval, size_t defsize, const char *namefmt, va_list nameap) __printflike(5, 0);
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/*
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* The dnvlist_take functions returns value associated with the given name and
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* remove corresponding nvpair.
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* If it returns a pointer, the caller has to free it.
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* If no element of the given name and type exists, the function will return
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* provided default value.
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*/
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bool dnvlist_take_bool(nvlist_t *nvl, const char *name, bool defval);
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uint64_t dnvlist_take_number(nvlist_t *nvl, const char *name, uint64_t defval);
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char *dnvlist_take_string(nvlist_t *nvl, const char *name, char *defval);
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nvlist_t *dnvlist_take_nvlist(nvlist_t *nvl, const char *name, nvlist_t *defval);
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int dnvlist_take_descriptor(nvlist_t *nvl, const char *name, int defval);
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void *dnvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep, void *defval, size_t defsize);
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bool dnvlist_takef_bool(nvlist_t *nvl, bool defval, const char *namefmt, ...) __printflike(3, 4);
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uint64_t dnvlist_takef_number(nvlist_t *nvl, uint64_t defval, const char *namefmt, ...) __printflike(3, 4);
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char *dnvlist_takef_string(nvlist_t *nvl, char *defval, const char *namefmt, ...) __printflike(3, 4);
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nvlist_t *dnvlist_takef_nvlist(nvlist_t *nvl, nvlist_t *defval, const char *namefmt, ...) __printflike(3, 4);
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int dnvlist_takef_descriptor(nvlist_t *nvl, int defval, const char *namefmt, ...) __printflike(3, 4);
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void *dnvlist_takef_binary(nvlist_t *nvl, size_t *sizep, void *defval, size_t defsize, const char *namefmt, ...) __printflike(5, 6);
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bool dnvlist_takev_bool(nvlist_t *nvl, bool defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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uint64_t dnvlist_takev_number(nvlist_t *nvl, uint64_t defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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char *dnvlist_takev_string(nvlist_t *nvl, char *defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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nvlist_t *dnvlist_takev_nvlist(nvlist_t *nvl, nvlist_t *defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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int dnvlist_takev_descriptor(nvlist_t *nvl, int defval, const char *namefmt, va_list nameap) __printflike(3, 0);
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void *dnvlist_takev_binary(nvlist_t *nvl, size_t *sizep, void *defval, size_t defsize, const char *namefmt, va_list nameap) __printflike(5, 0);
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#endif /* !_DNV_H_ */
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