24881c060c
The nvlist_append_{bool,number,string,nvlist,descriptor}_array() functions
allows to dynamically extend array stored in the nvlist.
Submitted by: Mindaugas Rasiukevicius <rmind@netbsd.org>
167 lines
7.0 KiB
C
167 lines
7.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2013 The FreeBSD Foundation
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* Copyright (c) 2013-2015 Mariusz Zaborski <oshogbo@FreeBSD.org>
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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 _NV_IMPL_H_
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#define _NV_IMPL_H_
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#ifndef _NVPAIR_T_DECLARED
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#define _NVPAIR_T_DECLARED
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struct nvpair;
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typedef struct nvpair nvpair_t;
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#endif
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#define NV_TYPE_NVLIST_ARRAY_NEXT 254
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#define NV_TYPE_NVLIST_UP 255
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#define NV_TYPE_FIRST NV_TYPE_NULL
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#define NV_TYPE_LAST NV_TYPE_DESCRIPTOR_ARRAY
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#define NV_FLAG_BIG_ENDIAN 0x080
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#define NV_FLAG_IN_ARRAY 0x100
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#ifdef _KERNEL
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#define nv_malloc(size) malloc((size), M_NVLIST, M_WAITOK)
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#define nv_calloc(n, size) mallocarray((n), (size), M_NVLIST, \
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M_WAITOK | M_ZERO)
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#define nv_realloc(buf, size) realloc((buf), (size), M_NVLIST, \
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M_WAITOK)
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#define nv_free(buf) free((buf), M_NVLIST)
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#define nv_strdup(buf) strdup((buf), M_NVLIST)
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#define nv_vasprintf(ptr, ...) vasprintf(ptr, M_NVLIST, __VA_ARGS__)
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#define ERRNO_SET(var) do { } while (0)
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#define ERRNO_SAVE() do { do { } while(0)
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#define ERRNO_RESTORE() } while (0)
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#define ERRNO_OR_DEFAULT(default) (default)
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#else
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#define nv_malloc(size) malloc((size))
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#define nv_calloc(n, size) calloc((n), (size))
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#define nv_realloc(buf, size) realloc((buf), (size))
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#define nv_free(buf) free((buf))
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#define nv_strdup(buf) strdup((buf))
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#define nv_vasprintf(ptr, ...) vasprintf(ptr, __VA_ARGS__)
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#define ERRNO_SET(var) do { errno = (var); } while (0)
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#define ERRNO_SAVE() do { \
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int _serrno; \
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\
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_serrno = errno
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#define ERRNO_RESTORE() errno = _serrno; \
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} while (0)
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#define ERRNO_OR_DEFAULT(default) (errno == 0 ? (default) : errno)
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#endif
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int *nvlist_descriptors(const nvlist_t *nvl, size_t *nitemsp);
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size_t nvlist_ndescriptors(const nvlist_t *nvl);
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void nvlist_set_flags(nvlist_t *nvl, int flags);
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nvpair_t *nvlist_first_nvpair(const nvlist_t *nvl);
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nvpair_t *nvlist_next_nvpair(const nvlist_t *nvl, const nvpair_t *nvp);
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nvpair_t *nvlist_prev_nvpair(const nvlist_t *nvl, const nvpair_t *nvp);
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void nvlist_add_nvpair(nvlist_t *nvl, const nvpair_t *nvp);
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bool nvlist_move_nvpair(nvlist_t *nvl, nvpair_t *nvp);
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void nvlist_set_parent(nvlist_t *nvl, nvpair_t *parent);
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void nvlist_set_array_next(nvlist_t *nvl, nvpair_t *ele);
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const nvpair_t *nvlist_get_nvpair(const nvlist_t *nvl, const char *name);
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nvpair_t *nvlist_take_nvpair(nvlist_t *nvl, const char *name);
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/* Function removes the given nvpair from the nvlist. */
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void nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp);
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void nvlist_free_nvpair(nvlist_t *nvl, nvpair_t *nvp);
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int nvpair_type(const nvpair_t *nvp);
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const char *nvpair_name(const nvpair_t *nvp);
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nvpair_t *nvpair_clone(const nvpair_t *nvp);
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nvpair_t *nvpair_create_null(const char *name);
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nvpair_t *nvpair_create_bool(const char *name, bool value);
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nvpair_t *nvpair_create_number(const char *name, uint64_t value);
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nvpair_t *nvpair_create_string(const char *name, const char *value);
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nvpair_t *nvpair_create_stringf(const char *name, const char *valuefmt, ...) __printflike(2, 3);
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nvpair_t *nvpair_create_stringv(const char *name, const char *valuefmt, va_list valueap) __printflike(2, 0);
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nvpair_t *nvpair_create_nvlist(const char *name, const nvlist_t *value);
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nvpair_t *nvpair_create_descriptor(const char *name, int value);
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nvpair_t *nvpair_create_binary(const char *name, const void *value, size_t size);
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nvpair_t *nvpair_create_bool_array(const char *name, const bool *value, size_t nitems);
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nvpair_t *nvpair_create_number_array(const char *name, const uint64_t *value, size_t nitems);
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nvpair_t *nvpair_create_string_array(const char *name, const char * const *value, size_t nitems);
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nvpair_t *nvpair_create_nvlist_array(const char *name, const nvlist_t * const *value, size_t nitems);
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nvpair_t *nvpair_create_descriptor_array(const char *name, const int *value, size_t nitems);
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nvpair_t *nvpair_move_string(const char *name, char *value);
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nvpair_t *nvpair_move_nvlist(const char *name, nvlist_t *value);
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nvpair_t *nvpair_move_descriptor(const char *name, int value);
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nvpair_t *nvpair_move_binary(const char *name, void *value, size_t size);
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nvpair_t *nvpair_move_bool_array(const char *name, bool *value, size_t nitems);
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nvpair_t *nvpair_move_nvlist_array(const char *name, nvlist_t **value, size_t nitems);
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nvpair_t *nvpair_move_descriptor_array(const char *name, int *value, size_t nitems);
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nvpair_t *nvpair_move_number_array(const char *name, uint64_t *value, size_t nitems);
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nvpair_t *nvpair_move_string_array(const char *name, char **value, size_t nitems);
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int nvpair_append_bool_array(nvpair_t *nvp, const bool value);
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int nvpair_append_number_array(nvpair_t *nvp, const uint64_t value);
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int nvpair_append_string_array(nvpair_t *nvp, const char *value);
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int nvpair_append_nvlist_array(nvpair_t *nvp, const nvlist_t *value);
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int nvpair_append_descriptor_array(nvpair_t *nvp, const int value);
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bool nvpair_get_bool(const nvpair_t *nvp);
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uint64_t nvpair_get_number(const nvpair_t *nvp);
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const char *nvpair_get_string(const nvpair_t *nvp);
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const nvlist_t *nvpair_get_nvlist(const nvpair_t *nvp);
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int nvpair_get_descriptor(const nvpair_t *nvp);
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const void *nvpair_get_binary(const nvpair_t *nvp, size_t *sizep);
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const bool *nvpair_get_bool_array(const nvpair_t *nvp, size_t *nitemsp);
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const uint64_t *nvpair_get_number_array(const nvpair_t *nvp, size_t *nitemsp);
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const char * const *nvpair_get_string_array(const nvpair_t *nvp, size_t *nitemsp);
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const nvlist_t * const *nvpair_get_nvlist_array(const nvpair_t *nvp, size_t *nitemsp);
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const int *nvpair_get_descriptor_array(const nvpair_t *nvp, size_t *nitemsp);
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void nvpair_free(nvpair_t *nvp);
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#endif /* !_NV_IMPL_H_ */
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