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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.
*
* $FreeBSD$
*/
#ifndef _NV_IMPL_H_
#define _NV_IMPL_H_
#ifndef _NVPAIR_T_DECLARED
#define _NVPAIR_T_DECLARED
struct nvpair;
typedef struct nvpair nvpair_t;
#endif
#define NV_TYPE_NVLIST_UP 255
#define NV_TYPE_FIRST NV_TYPE_NULL
#define NV_TYPE_LAST NV_TYPE_BINARY
#define NV_FLAG_BIG_ENDIAN 0x80
#ifdef _KERNEL
#define nv_malloc(size) malloc((size), M_NVLIST, M_NOWAIT)
#define nv_calloc(n, size) malloc((n) * (size), M_NVLIST, \
M_NOWAIT | M_ZERO)
#define nv_realloc(buf, size) realloc((buf), (size), M_NVLIST, \
M_NOWAIT)
#define nv_free(buf) free((buf), M_NVLIST)
#define nv_strdup(buf) strdup((buf), M_NVLIST)
#define nv_vasprintf(ptr, ...) vasprintf(ptr, M_NVLIST, __VA_ARGS__)
#define SAVE_ERRNO(var) ((void)(var))
#define RESTORE_ERRNO(var) ((void)(var))
#define ERRNO_OR_DEFAULT(default) (default)
#else
#define nv_malloc(size) malloc((size))
#define nv_calloc(n, size) calloc((n), (size))
#define nv_realloc(buf, size) realloc((buf), (size))
#define nv_free(buf) free((buf))
#define nv_strdup(buf) strdup((buf))
#define nv_vasprintf(ptr, ...) vasprintf(ptr, __VA_ARGS__)
#define SAVE_ERRNO(var) (var) = errno
#define RESTORE_ERRNO(var) errno = (var)
#define ERRNO_OR_DEFAULT(default) (errno == 0 ? (default) : errno)
#endif
int *nvlist_descriptors(const nvlist_t *nvl, size_t *nitemsp);
size_t nvlist_ndescriptors(const nvlist_t *nvl);
nvpair_t *nvlist_first_nvpair(const nvlist_t *nvl);
nvpair_t *nvlist_next_nvpair(const nvlist_t *nvl, const nvpair_t *nvp);
nvpair_t *nvlist_prev_nvpair(const nvlist_t *nvl, const nvpair_t *nvp);
void nvlist_add_nvpair(nvlist_t *nvl, const nvpair_t *nvp);
void nvlist_move_nvpair(nvlist_t *nvl, nvpair_t *nvp);
void nvlist_set_parent(nvlist_t *nvl, nvpair_t *parent);
const nvpair_t *nvlist_get_nvpair(const nvlist_t *nvl, const char *name);
nvpair_t *nvlist_take_nvpair(nvlist_t *nvl, const char *name);
/* Function removes the given nvpair from the nvlist. */
void nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp);
void nvlist_free_nvpair(nvlist_t *nvl, nvpair_t *nvp);
int nvpair_type(const nvpair_t *nvp);
const char *nvpair_name(const nvpair_t *nvp);
nvpair_t *nvpair_clone(const nvpair_t *nvp);
nvpair_t *nvpair_create_null(const char *name);
nvpair_t *nvpair_create_bool(const char *name, bool value);
nvpair_t *nvpair_create_number(const char *name, uint64_t value);
nvpair_t *nvpair_create_string(const char *name, const char *value);
nvpair_t *nvpair_create_stringf(const char *name, const char *valuefmt, ...) __printflike(2, 3);
nvpair_t *nvpair_create_stringv(const char *name, const char *valuefmt, va_list valueap) __printflike(2, 0);
nvpair_t *nvpair_create_nvlist(const char *name, const nvlist_t *value);
nvpair_t *nvpair_create_descriptor(const char *name, int value);
nvpair_t *nvpair_create_binary(const char *name, const void *value, size_t size);
nvpair_t *nvpair_move_string(const char *name, char *value);
nvpair_t *nvpair_move_nvlist(const char *name, nvlist_t *value);
nvpair_t *nvpair_move_descriptor(const char *name, int value);
nvpair_t *nvpair_move_binary(const char *name, void *value, size_t size);
bool nvpair_get_bool(const nvpair_t *nvp);
uint64_t nvpair_get_number(const nvpair_t *nvp);
const char *nvpair_get_string(const nvpair_t *nvp);
const nvlist_t *nvpair_get_nvlist(const nvpair_t *nvp);
int nvpair_get_descriptor(const nvpair_t *nvp);
const void *nvpair_get_binary(const nvpair_t *nvp, size_t *sizep);
void nvpair_free(nvpair_t *nvp);
#endif /* !_NV_IMPL_H_ */
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