9030a915ff
cnv API is a set of functions for managing name/value pairs by cookie. The cookie can be obtained by nvlist_next(), nvlist_get_parent() or nvlist_get_pararr() function. This patch also includes unit tests. Submitted by: Adam Starak <starak.adam@gmail.com>
2026 lines
42 KiB
C
2026 lines
42 KiB
C
/*-
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* Copyright (c) 2009-2013 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/endian.h>
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#include <sys/queue.h>
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#ifdef _KERNEL
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/systm.h>
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#include <machine/stdarg.h>
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#else
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#include <sys/socket.h>
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#include <errno.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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "msgio.h"
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#endif
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#ifdef HAVE_PJDLOG
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#include <pjdlog.h>
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#endif
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#include <sys/nv.h>
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#include "nv_impl.h"
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#include "nvlist_impl.h"
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#include "nvpair_impl.h"
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#ifndef HAVE_PJDLOG
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#ifdef _KERNEL
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#define PJDLOG_ASSERT(...) MPASS(__VA_ARGS__)
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#define PJDLOG_RASSERT(expr, ...) KASSERT(expr, (__VA_ARGS__))
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#define PJDLOG_ABORT(...) panic(__VA_ARGS__)
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#else
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#include <assert.h>
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#define PJDLOG_ASSERT(...) assert(__VA_ARGS__)
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#define PJDLOG_RASSERT(expr, ...) assert(expr)
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#define PJDLOG_ABORT(...) do { \
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fprintf(stderr, "%s:%u: ", __FILE__, __LINE__); \
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fprintf(stderr, __VA_ARGS__); \
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fprintf(stderr, "\n"); \
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abort(); \
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} while (0)
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#endif
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#endif
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#define NV_FLAG_PRIVATE_MASK (NV_FLAG_BIG_ENDIAN | NV_FLAG_IN_ARRAY)
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#define NV_FLAG_PUBLIC_MASK (NV_FLAG_IGNORE_CASE | NV_FLAG_NO_UNIQUE)
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#define NV_FLAG_ALL_MASK (NV_FLAG_PRIVATE_MASK | NV_FLAG_PUBLIC_MASK)
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#define NVLIST_MAGIC 0x6e766c /* "nvl" */
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struct nvlist {
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int nvl_magic;
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int nvl_error;
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int nvl_flags;
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nvpair_t *nvl_parent;
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nvpair_t *nvl_array_next;
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struct nvl_head nvl_head;
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};
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#define NVLIST_ASSERT(nvl) do { \
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PJDLOG_ASSERT((nvl) != NULL); \
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PJDLOG_ASSERT((nvl)->nvl_magic == NVLIST_MAGIC); \
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} while (0)
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#ifdef _KERNEL
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MALLOC_DEFINE(M_NVLIST, "nvlist", "kernel nvlist");
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#endif
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#define NVPAIR_ASSERT(nvp) nvpair_assert(nvp)
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#define NVLIST_HEADER_MAGIC 0x6c
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#define NVLIST_HEADER_VERSION 0x00
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struct nvlist_header {
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uint8_t nvlh_magic;
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uint8_t nvlh_version;
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uint8_t nvlh_flags;
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uint64_t nvlh_descriptors;
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uint64_t nvlh_size;
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} __packed;
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nvlist_t *
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nvlist_create(int flags)
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{
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nvlist_t *nvl;
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PJDLOG_ASSERT((flags & ~(NV_FLAG_PUBLIC_MASK)) == 0);
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nvl = nv_malloc(sizeof(*nvl));
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if (nvl == NULL)
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return (NULL);
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nvl->nvl_error = 0;
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nvl->nvl_flags = flags;
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nvl->nvl_parent = NULL;
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nvl->nvl_array_next = NULL;
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TAILQ_INIT(&nvl->nvl_head);
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nvl->nvl_magic = NVLIST_MAGIC;
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return (nvl);
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}
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void
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nvlist_destroy(nvlist_t *nvl)
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{
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nvpair_t *nvp;
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if (nvl == NULL)
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return;
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ERRNO_SAVE();
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NVLIST_ASSERT(nvl);
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while ((nvp = nvlist_first_nvpair(nvl)) != NULL) {
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nvlist_remove_nvpair(nvl, nvp);
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nvpair_free(nvp);
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}
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if (nvl->nvl_array_next != NULL)
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nvpair_free_structure(nvl->nvl_array_next);
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nvl->nvl_array_next = NULL;
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nvl->nvl_parent = NULL;
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nvl->nvl_magic = 0;
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nv_free(nvl);
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ERRNO_RESTORE();
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}
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void
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nvlist_set_error(nvlist_t *nvl, int error)
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{
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PJDLOG_ASSERT(error != 0);
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/*
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* Check for error != 0 so that we don't do the wrong thing if somebody
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* tries to abuse this API when asserts are disabled.
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*/
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if (nvl != NULL && error != 0 && nvl->nvl_error == 0)
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nvl->nvl_error = error;
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}
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int
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nvlist_error(const nvlist_t *nvl)
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{
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if (nvl == NULL)
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return (ENOMEM);
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NVLIST_ASSERT(nvl);
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return (nvl->nvl_error);
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}
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nvpair_t *
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nvlist_get_nvpair_parent(const nvlist_t *nvl)
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{
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NVLIST_ASSERT(nvl);
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return (nvl->nvl_parent);
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}
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const nvlist_t *
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nvlist_get_parent(const nvlist_t *nvl, void **cookiep)
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{
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nvpair_t *nvp;
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NVLIST_ASSERT(nvl);
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nvp = nvl->nvl_parent;
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if (cookiep != NULL)
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*cookiep = nvp;
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if (nvp == NULL)
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return (NULL);
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return (nvpair_nvlist(nvp));
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}
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void
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nvlist_set_parent(nvlist_t *nvl, nvpair_t *parent)
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{
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NVLIST_ASSERT(nvl);
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nvl->nvl_parent = parent;
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}
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void
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nvlist_set_array_next(nvlist_t *nvl, nvpair_t *ele)
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{
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NVLIST_ASSERT(nvl);
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if (ele != NULL) {
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nvl->nvl_flags |= NV_FLAG_IN_ARRAY;
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} else {
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nvl->nvl_flags &= ~NV_FLAG_IN_ARRAY;
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nv_free(nvl->nvl_array_next);
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}
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nvl->nvl_array_next = ele;
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}
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bool
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nvlist_in_array(const nvlist_t *nvl)
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{
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NVLIST_ASSERT(nvl);
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return ((nvl->nvl_flags & NV_FLAG_IN_ARRAY) != 0);
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}
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const nvlist_t *
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nvlist_get_array_next(const nvlist_t *nvl)
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{
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nvpair_t *nvp;
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NVLIST_ASSERT(nvl);
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nvp = nvl->nvl_array_next;
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if (nvp == NULL)
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return (NULL);
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return (nvpair_get_nvlist(nvp));
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}
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const nvlist_t *
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nvlist_get_pararr(const nvlist_t *nvl, void **cookiep)
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{
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const nvlist_t *ret;
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ret = nvlist_get_array_next(nvl);
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if (ret != NULL) {
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if (cookiep != NULL)
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*cookiep = NULL;
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return (ret);
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}
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ret = nvlist_get_parent(nvl, cookiep);
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return (ret);
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}
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bool
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nvlist_empty(const nvlist_t *nvl)
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{
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NVLIST_ASSERT(nvl);
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PJDLOG_ASSERT(nvl->nvl_error == 0);
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return (nvlist_first_nvpair(nvl) == NULL);
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}
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int
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nvlist_flags(const nvlist_t *nvl)
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{
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NVLIST_ASSERT(nvl);
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PJDLOG_ASSERT(nvl->nvl_error == 0);
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return (nvl->nvl_flags & NV_FLAG_PUBLIC_MASK);
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}
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void
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nvlist_set_flags(nvlist_t *nvl, int flags)
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{
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NVLIST_ASSERT(nvl);
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PJDLOG_ASSERT(nvl->nvl_error == 0);
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nvl->nvl_flags = flags;
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}
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void
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nvlist_report_missing(int type, const char *name)
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{
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PJDLOG_ABORT("Element '%s' of type %s doesn't exist.",
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name, nvpair_type_string(type));
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}
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static nvpair_t *
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nvlist_find(const nvlist_t *nvl, int type, const char *name)
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{
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nvpair_t *nvp;
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NVLIST_ASSERT(nvl);
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PJDLOG_ASSERT(nvl->nvl_error == 0);
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PJDLOG_ASSERT(type == NV_TYPE_NONE ||
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(type >= NV_TYPE_FIRST && type <= NV_TYPE_LAST));
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for (nvp = nvlist_first_nvpair(nvl); nvp != NULL;
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nvp = nvlist_next_nvpair(nvl, nvp)) {
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if (type != NV_TYPE_NONE && nvpair_type(nvp) != type)
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continue;
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if ((nvl->nvl_flags & NV_FLAG_IGNORE_CASE) != 0) {
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if (strcasecmp(nvpair_name(nvp), name) != 0)
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continue;
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} else {
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if (strcmp(nvpair_name(nvp), name) != 0)
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continue;
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}
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break;
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}
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if (nvp == NULL)
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ERRNO_SET(ENOENT);
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return (nvp);
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}
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bool
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nvlist_exists_type(const nvlist_t *nvl, const char *name, int type)
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{
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NVLIST_ASSERT(nvl);
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PJDLOG_ASSERT(nvl->nvl_error == 0);
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PJDLOG_ASSERT(type == NV_TYPE_NONE ||
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(type >= NV_TYPE_FIRST && type <= NV_TYPE_LAST));
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return (nvlist_find(nvl, type, name) != NULL);
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}
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void
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nvlist_free_type(nvlist_t *nvl, const char *name, int type)
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{
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nvpair_t *nvp;
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NVLIST_ASSERT(nvl);
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PJDLOG_ASSERT(nvl->nvl_error == 0);
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PJDLOG_ASSERT(type == NV_TYPE_NONE ||
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(type >= NV_TYPE_FIRST && type <= NV_TYPE_LAST));
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nvp = nvlist_find(nvl, type, name);
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if (nvp != NULL)
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nvlist_free_nvpair(nvl, nvp);
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else
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nvlist_report_missing(type, name);
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}
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nvlist_t *
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nvlist_clone(const nvlist_t *nvl)
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{
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nvlist_t *newnvl;
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nvpair_t *nvp, *newnvp;
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NVLIST_ASSERT(nvl);
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if (nvl->nvl_error != 0) {
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ERRNO_SET(nvl->nvl_error);
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return (NULL);
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}
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newnvl = nvlist_create(nvl->nvl_flags & NV_FLAG_PUBLIC_MASK);
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for (nvp = nvlist_first_nvpair(nvl); nvp != NULL;
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nvp = nvlist_next_nvpair(nvl, nvp)) {
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newnvp = nvpair_clone(nvp);
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if (newnvp == NULL)
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break;
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(void)nvlist_move_nvpair(newnvl, newnvp);
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}
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if (nvp != NULL) {
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nvlist_destroy(newnvl);
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return (NULL);
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}
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return (newnvl);
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}
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#ifndef _KERNEL
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static bool
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nvlist_dump_error_check(const nvlist_t *nvl, int fd, int level)
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{
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if (nvlist_error(nvl) != 0) {
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dprintf(fd, "%*serror: %d\n", level * 4, "",
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nvlist_error(nvl));
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return (true);
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}
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return (false);
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}
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/*
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* Dump content of nvlist.
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*/
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void
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nvlist_dump(const nvlist_t *nvl, int fd)
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{
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const nvlist_t *tmpnvl;
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nvpair_t *nvp, *tmpnvp;
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void *cookie;
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int level;
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level = 0;
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if (nvlist_dump_error_check(nvl, fd, level))
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return;
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nvp = nvlist_first_nvpair(nvl);
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while (nvp != NULL) {
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dprintf(fd, "%*s%s (%s):", level * 4, "", nvpair_name(nvp),
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nvpair_type_string(nvpair_type(nvp)));
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switch (nvpair_type(nvp)) {
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case NV_TYPE_NULL:
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dprintf(fd, " null\n");
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break;
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case NV_TYPE_BOOL:
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dprintf(fd, " %s\n", nvpair_get_bool(nvp) ?
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"TRUE" : "FALSE");
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break;
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case NV_TYPE_NUMBER:
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dprintf(fd, " %ju (%jd) (0x%jx)\n",
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(uintmax_t)nvpair_get_number(nvp),
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(intmax_t)nvpair_get_number(nvp),
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(uintmax_t)nvpair_get_number(nvp));
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break;
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case NV_TYPE_STRING:
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dprintf(fd, " [%s]\n", nvpair_get_string(nvp));
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break;
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case NV_TYPE_NVLIST:
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dprintf(fd, "\n");
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tmpnvl = nvpair_get_nvlist(nvp);
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if (nvlist_dump_error_check(tmpnvl, fd, level + 1))
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break;
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tmpnvp = nvlist_first_nvpair(tmpnvl);
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if (tmpnvp != NULL) {
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nvl = tmpnvl;
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nvp = tmpnvp;
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level++;
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continue;
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}
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break;
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case NV_TYPE_DESCRIPTOR:
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dprintf(fd, " %d\n", nvpair_get_descriptor(nvp));
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break;
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case NV_TYPE_BINARY:
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{
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const unsigned char *binary;
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unsigned int ii;
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size_t size;
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binary = nvpair_get_binary(nvp, &size);
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dprintf(fd, " %zu ", size);
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for (ii = 0; ii < size; ii++)
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dprintf(fd, "%02hhx", binary[ii]);
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dprintf(fd, "\n");
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break;
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}
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case NV_TYPE_BOOL_ARRAY:
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{
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const bool *value;
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unsigned int ii;
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size_t nitems;
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value = nvpair_get_bool_array(nvp, &nitems);
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dprintf(fd, " [ ");
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for (ii = 0; ii < nitems; ii++) {
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dprintf(fd, "%s", value[ii] ? "TRUE" : "FALSE");
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if (ii != nitems - 1)
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dprintf(fd, ", ");
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}
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dprintf(fd, " ]\n");
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break;
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}
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case NV_TYPE_STRING_ARRAY:
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{
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const char * const *value;
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unsigned int ii;
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size_t nitems;
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value = nvpair_get_string_array(nvp, &nitems);
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dprintf(fd, " [ ");
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for (ii = 0; ii < nitems; ii++) {
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if (value[ii] == NULL)
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dprintf(fd, "NULL");
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else
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dprintf(fd, "\"%s\"", value[ii]);
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if (ii != nitems - 1)
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dprintf(fd, ", ");
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}
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dprintf(fd, " ]\n");
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break;
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}
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case NV_TYPE_NUMBER_ARRAY:
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{
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const uint64_t *value;
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unsigned int ii;
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size_t nitems;
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value = nvpair_get_number_array(nvp, &nitems);
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dprintf(fd, " [ ");
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for (ii = 0; ii < nitems; ii++) {
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dprintf(fd, "%ju (%jd) (0x%jx)",
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value[ii], value[ii], value[ii]);
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if (ii != nitems - 1)
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dprintf(fd, ", ");
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|
}
|
|
dprintf(fd, " ]\n");
|
|
break;
|
|
}
|
|
case NV_TYPE_DESCRIPTOR_ARRAY:
|
|
{
|
|
const int *value;
|
|
unsigned int ii;
|
|
size_t nitems;
|
|
|
|
value = nvpair_get_descriptor_array(nvp, &nitems);
|
|
dprintf(fd, " [ ");
|
|
for (ii = 0; ii < nitems; ii++) {
|
|
dprintf(fd, "%d", value[ii]);
|
|
if (ii != nitems - 1)
|
|
dprintf(fd, ", ");
|
|
}
|
|
dprintf(fd, " ]\n");
|
|
break;
|
|
}
|
|
case NV_TYPE_NVLIST_ARRAY:
|
|
{
|
|
const nvlist_t * const *value;
|
|
unsigned int ii;
|
|
size_t nitems;
|
|
|
|
value = nvpair_get_nvlist_array(nvp, &nitems);
|
|
dprintf(fd, " %zu\n", nitems);
|
|
tmpnvl = NULL;
|
|
tmpnvp = NULL;
|
|
for (ii = 0; ii < nitems; ii++) {
|
|
if (nvlist_dump_error_check(value[ii], fd,
|
|
level + 1)) {
|
|
break;
|
|
}
|
|
|
|
if (tmpnvl == NULL) {
|
|
tmpnvp = nvlist_first_nvpair(value[ii]);
|
|
if (tmpnvp != NULL) {
|
|
tmpnvl = value[ii];
|
|
} else {
|
|
dprintf(fd, "%*s,\n",
|
|
(level + 1) * 4, "");
|
|
}
|
|
}
|
|
}
|
|
if (tmpnvp != NULL) {
|
|
nvl = tmpnvl;
|
|
nvp = tmpnvp;
|
|
level++;
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
PJDLOG_ABORT("Unknown type: %d.", nvpair_type(nvp));
|
|
}
|
|
|
|
while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) {
|
|
do {
|
|
cookie = NULL;
|
|
if (nvlist_in_array(nvl))
|
|
dprintf(fd, "%*s,\n", level * 4, "");
|
|
nvl = nvlist_get_pararr(nvl, &cookie);
|
|
if (nvl == NULL)
|
|
return;
|
|
if (nvlist_in_array(nvl) && cookie == NULL) {
|
|
nvp = nvlist_first_nvpair(nvl);
|
|
} else {
|
|
nvp = cookie;
|
|
level--;
|
|
}
|
|
} while (nvp == NULL);
|
|
if (nvlist_in_array(nvl) && cookie == NULL)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nvlist_fdump(const nvlist_t *nvl, FILE *fp)
|
|
{
|
|
|
|
fflush(fp);
|
|
nvlist_dump(nvl, fileno(fp));
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* The function obtains size of the nvlist after nvlist_pack().
|
|
*/
|
|
size_t
|
|
nvlist_size(const nvlist_t *nvl)
|
|
{
|
|
const nvlist_t *tmpnvl;
|
|
const nvlist_t * const *nvlarray;
|
|
const nvpair_t *nvp, *tmpnvp;
|
|
void *cookie;
|
|
size_t size, nitems;
|
|
unsigned int ii;
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
PJDLOG_ASSERT(nvl->nvl_error == 0);
|
|
|
|
size = sizeof(struct nvlist_header);
|
|
nvp = nvlist_first_nvpair(nvl);
|
|
while (nvp != NULL) {
|
|
size += nvpair_header_size();
|
|
size += strlen(nvpair_name(nvp)) + 1;
|
|
if (nvpair_type(nvp) == NV_TYPE_NVLIST) {
|
|
size += sizeof(struct nvlist_header);
|
|
size += nvpair_header_size() + 1;
|
|
tmpnvl = nvpair_get_nvlist(nvp);
|
|
PJDLOG_ASSERT(tmpnvl->nvl_error == 0);
|
|
tmpnvp = nvlist_first_nvpair(tmpnvl);
|
|
if (tmpnvp != NULL) {
|
|
nvl = tmpnvl;
|
|
nvp = tmpnvp;
|
|
continue;
|
|
}
|
|
} else if (nvpair_type(nvp) == NV_TYPE_NVLIST_ARRAY) {
|
|
nvlarray = nvpair_get_nvlist_array(nvp, &nitems);
|
|
PJDLOG_ASSERT(nitems > 0);
|
|
|
|
size += (nvpair_header_size() + 1) * nitems;
|
|
size += sizeof(struct nvlist_header) * nitems;
|
|
|
|
tmpnvl = NULL;
|
|
tmpnvp = NULL;
|
|
for (ii = 0; ii < nitems; ii++) {
|
|
PJDLOG_ASSERT(nvlarray[ii]->nvl_error == 0);
|
|
tmpnvp = nvlist_first_nvpair(nvlarray[ii]);
|
|
if (tmpnvp != NULL) {
|
|
tmpnvl = nvlarray[ii];
|
|
break;
|
|
}
|
|
}
|
|
if (tmpnvp != NULL) {
|
|
nvp = tmpnvp;
|
|
nvl = tmpnvl;
|
|
continue;
|
|
}
|
|
|
|
} else {
|
|
size += nvpair_size(nvp);
|
|
}
|
|
|
|
while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) {
|
|
do {
|
|
cookie = NULL;
|
|
nvl = nvlist_get_pararr(nvl, &cookie);
|
|
if (nvl == NULL)
|
|
goto out;
|
|
if (nvlist_in_array(nvl) && cookie == NULL) {
|
|
nvp = nvlist_first_nvpair(nvl);
|
|
} else {
|
|
nvp = cookie;
|
|
}
|
|
} while (nvp == NULL);
|
|
if (nvlist_in_array(nvl) && cookie == NULL)
|
|
break;
|
|
}
|
|
}
|
|
|
|
out:
|
|
return (size);
|
|
}
|
|
|
|
#ifndef _KERNEL
|
|
static int *
|
|
nvlist_xdescriptors(const nvlist_t *nvl, int *descs)
|
|
{
|
|
nvpair_t *nvp;
|
|
const char *name;
|
|
int type;
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
PJDLOG_ASSERT(nvl->nvl_error == 0);
|
|
|
|
nvp = NULL;
|
|
do {
|
|
while ((name = nvlist_next(nvl, &type, (void**)&nvp)) != NULL) {
|
|
switch (type) {
|
|
case NV_TYPE_DESCRIPTOR:
|
|
*descs = nvpair_get_descriptor(nvp);
|
|
descs++;
|
|
break;
|
|
case NV_TYPE_DESCRIPTOR_ARRAY:
|
|
{
|
|
const int *value;
|
|
size_t nitems;
|
|
unsigned int ii;
|
|
|
|
value = nvpair_get_descriptor_array(nvp,
|
|
&nitems);
|
|
for (ii = 0; ii < nitems; ii++) {
|
|
*descs = value[ii];
|
|
descs++;
|
|
}
|
|
break;
|
|
}
|
|
case NV_TYPE_NVLIST:
|
|
nvl = nvpair_get_nvlist(nvp);
|
|
nvp = NULL;
|
|
break;
|
|
case NV_TYPE_NVLIST_ARRAY:
|
|
{
|
|
const nvlist_t * const *value;
|
|
size_t nitems;
|
|
|
|
value = nvpair_get_nvlist_array(nvp, &nitems);
|
|
PJDLOG_ASSERT(value != NULL);
|
|
PJDLOG_ASSERT(nitems > 0);
|
|
|
|
nvl = value[0];
|
|
nvp = NULL;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} while ((nvl = nvlist_get_pararr(nvl, (void**)&nvp)) != NULL);
|
|
|
|
return (descs);
|
|
}
|
|
#endif
|
|
|
|
#ifndef _KERNEL
|
|
int *
|
|
nvlist_descriptors(const nvlist_t *nvl, size_t *nitemsp)
|
|
{
|
|
size_t nitems;
|
|
int *fds;
|
|
|
|
nitems = nvlist_ndescriptors(nvl);
|
|
fds = nv_malloc(sizeof(fds[0]) * (nitems + 1));
|
|
if (fds == NULL)
|
|
return (NULL);
|
|
if (nitems > 0)
|
|
nvlist_xdescriptors(nvl, fds);
|
|
fds[nitems] = -1;
|
|
if (nitemsp != NULL)
|
|
*nitemsp = nitems;
|
|
return (fds);
|
|
}
|
|
#endif
|
|
|
|
size_t
|
|
nvlist_ndescriptors(const nvlist_t *nvl)
|
|
{
|
|
#ifndef _KERNEL
|
|
nvpair_t *nvp;
|
|
const char *name;
|
|
size_t ndescs;
|
|
int type;
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
PJDLOG_ASSERT(nvl->nvl_error == 0);
|
|
|
|
ndescs = 0;
|
|
nvp = NULL;
|
|
do {
|
|
while ((name = nvlist_next(nvl, &type, (void**)&nvp)) != NULL) {
|
|
switch (type) {
|
|
case NV_TYPE_DESCRIPTOR:
|
|
ndescs++;
|
|
break;
|
|
case NV_TYPE_NVLIST:
|
|
nvl = nvpair_get_nvlist(nvp);
|
|
nvp = NULL;
|
|
break;
|
|
case NV_TYPE_NVLIST_ARRAY:
|
|
{
|
|
const nvlist_t * const *value;
|
|
size_t nitems;
|
|
|
|
value = nvpair_get_nvlist_array(nvp, &nitems);
|
|
PJDLOG_ASSERT(value != NULL);
|
|
PJDLOG_ASSERT(nitems > 0);
|
|
|
|
nvl = value[0];
|
|
nvp = NULL;
|
|
break;
|
|
}
|
|
case NV_TYPE_DESCRIPTOR_ARRAY:
|
|
{
|
|
size_t nitems;
|
|
|
|
(void)nvpair_get_descriptor_array(nvp,
|
|
&nitems);
|
|
ndescs += nitems;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} while ((nvl = nvlist_get_pararr(nvl, (void**)&nvp)) != NULL);
|
|
|
|
return (ndescs);
|
|
#else
|
|
return (0);
|
|
#endif
|
|
}
|
|
|
|
static unsigned char *
|
|
nvlist_pack_header(const nvlist_t *nvl, unsigned char *ptr, size_t *leftp)
|
|
{
|
|
struct nvlist_header nvlhdr;
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
|
|
nvlhdr.nvlh_magic = NVLIST_HEADER_MAGIC;
|
|
nvlhdr.nvlh_version = NVLIST_HEADER_VERSION;
|
|
nvlhdr.nvlh_flags = nvl->nvl_flags;
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
nvlhdr.nvlh_flags |= NV_FLAG_BIG_ENDIAN;
|
|
#endif
|
|
nvlhdr.nvlh_descriptors = nvlist_ndescriptors(nvl);
|
|
nvlhdr.nvlh_size = *leftp - sizeof(nvlhdr);
|
|
PJDLOG_ASSERT(*leftp >= sizeof(nvlhdr));
|
|
memcpy(ptr, &nvlhdr, sizeof(nvlhdr));
|
|
ptr += sizeof(nvlhdr);
|
|
*leftp -= sizeof(nvlhdr);
|
|
|
|
return (ptr);
|
|
}
|
|
|
|
static void *
|
|
nvlist_xpack(const nvlist_t *nvl, int64_t *fdidxp, size_t *sizep)
|
|
{
|
|
unsigned char *buf, *ptr;
|
|
size_t left, size;
|
|
const nvlist_t *tmpnvl;
|
|
nvpair_t *nvp, *tmpnvp;
|
|
void *cookie;
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
|
|
if (nvl->nvl_error != 0) {
|
|
ERRNO_SET(nvl->nvl_error);
|
|
return (NULL);
|
|
}
|
|
|
|
size = nvlist_size(nvl);
|
|
buf = nv_malloc(size);
|
|
if (buf == NULL)
|
|
return (NULL);
|
|
|
|
ptr = buf;
|
|
left = size;
|
|
|
|
ptr = nvlist_pack_header(nvl, ptr, &left);
|
|
|
|
nvp = nvlist_first_nvpair(nvl);
|
|
while (nvp != NULL) {
|
|
NVPAIR_ASSERT(nvp);
|
|
|
|
nvpair_init_datasize(nvp);
|
|
ptr = nvpair_pack_header(nvp, ptr, &left);
|
|
if (ptr == NULL)
|
|
goto fail;
|
|
switch (nvpair_type(nvp)) {
|
|
case NV_TYPE_NULL:
|
|
ptr = nvpair_pack_null(nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_BOOL:
|
|
ptr = nvpair_pack_bool(nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NUMBER:
|
|
ptr = nvpair_pack_number(nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_STRING:
|
|
ptr = nvpair_pack_string(nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NVLIST:
|
|
tmpnvl = nvpair_get_nvlist(nvp);
|
|
ptr = nvlist_pack_header(tmpnvl, ptr, &left);
|
|
if (ptr == NULL)
|
|
goto fail;
|
|
tmpnvp = nvlist_first_nvpair(tmpnvl);
|
|
if (tmpnvp != NULL) {
|
|
nvl = tmpnvl;
|
|
nvp = tmpnvp;
|
|
continue;
|
|
}
|
|
ptr = nvpair_pack_nvlist_up(ptr, &left);
|
|
break;
|
|
#ifndef _KERNEL
|
|
case NV_TYPE_DESCRIPTOR:
|
|
ptr = nvpair_pack_descriptor(nvp, ptr, fdidxp, &left);
|
|
break;
|
|
case NV_TYPE_DESCRIPTOR_ARRAY:
|
|
ptr = nvpair_pack_descriptor_array(nvp, ptr, fdidxp,
|
|
&left);
|
|
break;
|
|
#endif
|
|
case NV_TYPE_BINARY:
|
|
ptr = nvpair_pack_binary(nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_BOOL_ARRAY:
|
|
ptr = nvpair_pack_bool_array(nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NUMBER_ARRAY:
|
|
ptr = nvpair_pack_number_array(nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_STRING_ARRAY:
|
|
ptr = nvpair_pack_string_array(nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NVLIST_ARRAY:
|
|
{
|
|
const nvlist_t * const * value;
|
|
size_t nitems;
|
|
unsigned int ii;
|
|
|
|
tmpnvl = NULL;
|
|
value = nvpair_get_nvlist_array(nvp, &nitems);
|
|
for (ii = 0; ii < nitems; ii++) {
|
|
ptr = nvlist_pack_header(value[ii], ptr, &left);
|
|
if (ptr == NULL)
|
|
goto out;
|
|
tmpnvp = nvlist_first_nvpair(value[ii]);
|
|
if (tmpnvp != NULL) {
|
|
tmpnvl = value[ii];
|
|
break;
|
|
}
|
|
ptr = nvpair_pack_nvlist_array_next(ptr, &left);
|
|
if (ptr == NULL)
|
|
goto out;
|
|
}
|
|
if (tmpnvl != NULL) {
|
|
nvl = tmpnvl;
|
|
nvp = tmpnvp;
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
PJDLOG_ABORT("Invalid type (%d).", nvpair_type(nvp));
|
|
}
|
|
if (ptr == NULL)
|
|
goto fail;
|
|
while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) {
|
|
do {
|
|
cookie = NULL;
|
|
if (nvlist_in_array(nvl)) {
|
|
ptr = nvpair_pack_nvlist_array_next(ptr,
|
|
&left);
|
|
if (ptr == NULL)
|
|
goto fail;
|
|
}
|
|
nvl = nvlist_get_pararr(nvl, &cookie);
|
|
if (nvl == NULL)
|
|
goto out;
|
|
if (nvlist_in_array(nvl) && cookie == NULL) {
|
|
nvp = nvlist_first_nvpair(nvl);
|
|
ptr = nvlist_pack_header(nvl, ptr,
|
|
&left);
|
|
if (ptr == NULL)
|
|
goto fail;
|
|
} else if (nvpair_type((nvpair_t *)cookie) !=
|
|
NV_TYPE_NVLIST_ARRAY) {
|
|
ptr = nvpair_pack_nvlist_up(ptr, &left);
|
|
if (ptr == NULL)
|
|
goto fail;
|
|
nvp = cookie;
|
|
} else {
|
|
nvp = cookie;
|
|
}
|
|
} while (nvp == NULL);
|
|
if (nvlist_in_array(nvl) && cookie == NULL)
|
|
break;
|
|
}
|
|
}
|
|
|
|
out:
|
|
if (sizep != NULL)
|
|
*sizep = size;
|
|
return (buf);
|
|
fail:
|
|
nv_free(buf);
|
|
return (NULL);
|
|
}
|
|
|
|
void *
|
|
nvlist_pack(const nvlist_t *nvl, size_t *sizep)
|
|
{
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
|
|
if (nvl->nvl_error != 0) {
|
|
ERRNO_SET(nvl->nvl_error);
|
|
return (NULL);
|
|
}
|
|
|
|
if (nvlist_ndescriptors(nvl) > 0) {
|
|
ERRNO_SET(EOPNOTSUPP);
|
|
return (NULL);
|
|
}
|
|
|
|
return (nvlist_xpack(nvl, NULL, sizep));
|
|
}
|
|
|
|
static bool
|
|
nvlist_check_header(struct nvlist_header *nvlhdrp)
|
|
{
|
|
|
|
if (nvlhdrp->nvlh_magic != NVLIST_HEADER_MAGIC) {
|
|
ERRNO_SET(EINVAL);
|
|
return (false);
|
|
}
|
|
if ((nvlhdrp->nvlh_flags & ~NV_FLAG_ALL_MASK) != 0) {
|
|
ERRNO_SET(EINVAL);
|
|
return (false);
|
|
}
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
if ((nvlhdrp->nvlh_flags & NV_FLAG_BIG_ENDIAN) == 0) {
|
|
nvlhdrp->nvlh_size = le64toh(nvlhdrp->nvlh_size);
|
|
nvlhdrp->nvlh_descriptors = le64toh(nvlhdrp->nvlh_descriptors);
|
|
}
|
|
#else
|
|
if ((nvlhdrp->nvlh_flags & NV_FLAG_BIG_ENDIAN) != 0) {
|
|
nvlhdrp->nvlh_size = be64toh(nvlhdrp->nvlh_size);
|
|
nvlhdrp->nvlh_descriptors = be64toh(nvlhdrp->nvlh_descriptors);
|
|
}
|
|
#endif
|
|
return (true);
|
|
}
|
|
|
|
const unsigned char *
|
|
nvlist_unpack_header(nvlist_t *nvl, const unsigned char *ptr, size_t nfds,
|
|
bool *isbep, size_t *leftp)
|
|
{
|
|
struct nvlist_header nvlhdr;
|
|
int inarrayf;
|
|
|
|
if (*leftp < sizeof(nvlhdr))
|
|
goto failed;
|
|
|
|
memcpy(&nvlhdr, ptr, sizeof(nvlhdr));
|
|
|
|
if (!nvlist_check_header(&nvlhdr))
|
|
goto failed;
|
|
|
|
if (nvlhdr.nvlh_size != *leftp - sizeof(nvlhdr))
|
|
goto failed;
|
|
|
|
/*
|
|
* nvlh_descriptors might be smaller than nfds in embedded nvlists.
|
|
*/
|
|
if (nvlhdr.nvlh_descriptors > nfds)
|
|
goto failed;
|
|
|
|
if ((nvlhdr.nvlh_flags & ~NV_FLAG_ALL_MASK) != 0)
|
|
goto failed;
|
|
|
|
inarrayf = (nvl->nvl_flags & NV_FLAG_IN_ARRAY);
|
|
nvl->nvl_flags = (nvlhdr.nvlh_flags & NV_FLAG_PUBLIC_MASK) | inarrayf;
|
|
|
|
ptr += sizeof(nvlhdr);
|
|
if (isbep != NULL)
|
|
*isbep = (((int)nvlhdr.nvlh_flags & NV_FLAG_BIG_ENDIAN) != 0);
|
|
*leftp -= sizeof(nvlhdr);
|
|
|
|
return (ptr);
|
|
failed:
|
|
ERRNO_SET(EINVAL);
|
|
return (NULL);
|
|
}
|
|
|
|
static nvlist_t *
|
|
nvlist_xunpack(const void *buf, size_t size, const int *fds, size_t nfds,
|
|
int flags)
|
|
{
|
|
const unsigned char *ptr;
|
|
nvlist_t *nvl, *retnvl, *tmpnvl, *array;
|
|
nvpair_t *nvp;
|
|
size_t left;
|
|
bool isbe;
|
|
|
|
PJDLOG_ASSERT((flags & ~(NV_FLAG_PUBLIC_MASK)) == 0);
|
|
|
|
left = size;
|
|
ptr = buf;
|
|
|
|
tmpnvl = array = NULL;
|
|
nvl = retnvl = nvlist_create(0);
|
|
if (nvl == NULL)
|
|
goto failed;
|
|
|
|
ptr = nvlist_unpack_header(nvl, ptr, nfds, &isbe, &left);
|
|
if (ptr == NULL)
|
|
goto failed;
|
|
if (nvl->nvl_flags != flags) {
|
|
ERRNO_SET(EILSEQ);
|
|
goto failed;
|
|
}
|
|
|
|
while (left > 0) {
|
|
ptr = nvpair_unpack(isbe, ptr, &left, &nvp);
|
|
if (ptr == NULL)
|
|
goto failed;
|
|
switch (nvpair_type(nvp)) {
|
|
case NV_TYPE_NULL:
|
|
ptr = nvpair_unpack_null(isbe, nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_BOOL:
|
|
ptr = nvpair_unpack_bool(isbe, nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NUMBER:
|
|
ptr = nvpair_unpack_number(isbe, nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_STRING:
|
|
ptr = nvpair_unpack_string(isbe, nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NVLIST:
|
|
ptr = nvpair_unpack_nvlist(isbe, nvp, ptr, &left, nfds,
|
|
&tmpnvl);
|
|
if (tmpnvl == NULL || ptr == NULL)
|
|
goto failed;
|
|
nvlist_set_parent(tmpnvl, nvp);
|
|
break;
|
|
#ifndef _KERNEL
|
|
case NV_TYPE_DESCRIPTOR:
|
|
ptr = nvpair_unpack_descriptor(isbe, nvp, ptr, &left,
|
|
fds, nfds);
|
|
break;
|
|
case NV_TYPE_DESCRIPTOR_ARRAY:
|
|
ptr = nvpair_unpack_descriptor_array(isbe, nvp, ptr,
|
|
&left, fds, nfds);
|
|
break;
|
|
#endif
|
|
case NV_TYPE_BINARY:
|
|
ptr = nvpair_unpack_binary(isbe, nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NVLIST_UP:
|
|
if (nvl->nvl_parent == NULL)
|
|
goto failed;
|
|
nvl = nvpair_nvlist(nvl->nvl_parent);
|
|
nvpair_free_structure(nvp);
|
|
continue;
|
|
case NV_TYPE_NVLIST_ARRAY_NEXT:
|
|
if (nvl->nvl_array_next == NULL) {
|
|
if (nvl->nvl_parent == NULL)
|
|
goto failed;
|
|
nvl = nvpair_nvlist(nvl->nvl_parent);
|
|
} else {
|
|
nvl = __DECONST(nvlist_t *,
|
|
nvlist_get_array_next(nvl));
|
|
ptr = nvlist_unpack_header(nvl, ptr, nfds,
|
|
&isbe, &left);
|
|
if (ptr == NULL)
|
|
goto failed;
|
|
}
|
|
nvpair_free_structure(nvp);
|
|
continue;
|
|
case NV_TYPE_BOOL_ARRAY:
|
|
ptr = nvpair_unpack_bool_array(isbe, nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NUMBER_ARRAY:
|
|
ptr = nvpair_unpack_number_array(isbe, nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_STRING_ARRAY:
|
|
ptr = nvpair_unpack_string_array(isbe, nvp, ptr, &left);
|
|
break;
|
|
case NV_TYPE_NVLIST_ARRAY:
|
|
ptr = nvpair_unpack_nvlist_array(isbe, nvp, ptr, &left,
|
|
&array);
|
|
if (ptr == NULL)
|
|
goto failed;
|
|
tmpnvl = array;
|
|
while (array != NULL) {
|
|
nvlist_set_parent(array, nvp);
|
|
array = __DECONST(nvlist_t *,
|
|
nvlist_get_array_next(array));
|
|
}
|
|
ptr = nvlist_unpack_header(tmpnvl, ptr, nfds, &isbe,
|
|
&left);
|
|
break;
|
|
default:
|
|
PJDLOG_ABORT("Invalid type (%d).", nvpair_type(nvp));
|
|
}
|
|
if (ptr == NULL)
|
|
goto failed;
|
|
if (!nvlist_move_nvpair(nvl, nvp))
|
|
goto failed;
|
|
if (tmpnvl != NULL) {
|
|
nvl = tmpnvl;
|
|
tmpnvl = NULL;
|
|
}
|
|
}
|
|
|
|
return (retnvl);
|
|
failed:
|
|
nvlist_destroy(retnvl);
|
|
return (NULL);
|
|
}
|
|
|
|
nvlist_t *
|
|
nvlist_unpack(const void *buf, size_t size, int flags)
|
|
{
|
|
|
|
return (nvlist_xunpack(buf, size, NULL, 0, flags));
|
|
}
|
|
|
|
#ifndef _KERNEL
|
|
int
|
|
nvlist_send(int sock, const nvlist_t *nvl)
|
|
{
|
|
size_t datasize, nfds;
|
|
int *fds;
|
|
void *data;
|
|
int64_t fdidx;
|
|
int ret;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return (-1);
|
|
}
|
|
|
|
fds = nvlist_descriptors(nvl, &nfds);
|
|
if (fds == NULL)
|
|
return (-1);
|
|
|
|
ret = -1;
|
|
data = NULL;
|
|
fdidx = 0;
|
|
|
|
data = nvlist_xpack(nvl, &fdidx, &datasize);
|
|
if (data == NULL)
|
|
goto out;
|
|
|
|
if (buf_send(sock, data, datasize) == -1)
|
|
goto out;
|
|
|
|
if (nfds > 0) {
|
|
if (fd_send(sock, fds, nfds) == -1)
|
|
goto out;
|
|
}
|
|
|
|
ret = 0;
|
|
out:
|
|
ERRNO_SAVE();
|
|
nv_free(fds);
|
|
nv_free(data);
|
|
ERRNO_RESTORE();
|
|
return (ret);
|
|
}
|
|
|
|
nvlist_t *
|
|
nvlist_recv(int sock, int flags)
|
|
{
|
|
struct nvlist_header nvlhdr;
|
|
nvlist_t *nvl, *ret;
|
|
unsigned char *buf;
|
|
size_t nfds, size, i;
|
|
int *fds;
|
|
|
|
if (buf_recv(sock, &nvlhdr, sizeof(nvlhdr)) == -1)
|
|
return (NULL);
|
|
|
|
if (!nvlist_check_header(&nvlhdr))
|
|
return (NULL);
|
|
|
|
nfds = (size_t)nvlhdr.nvlh_descriptors;
|
|
size = sizeof(nvlhdr) + (size_t)nvlhdr.nvlh_size;
|
|
|
|
buf = nv_malloc(size);
|
|
if (buf == NULL)
|
|
return (NULL);
|
|
|
|
memcpy(buf, &nvlhdr, sizeof(nvlhdr));
|
|
|
|
ret = NULL;
|
|
fds = NULL;
|
|
|
|
if (buf_recv(sock, buf + sizeof(nvlhdr), size - sizeof(nvlhdr)) == -1)
|
|
goto out;
|
|
|
|
if (nfds > 0) {
|
|
fds = nv_malloc(nfds * sizeof(fds[0]));
|
|
if (fds == NULL)
|
|
goto out;
|
|
if (fd_recv(sock, fds, nfds) == -1)
|
|
goto out;
|
|
}
|
|
|
|
nvl = nvlist_xunpack(buf, size, fds, nfds, flags);
|
|
if (nvl == NULL) {
|
|
ERRNO_SAVE();
|
|
for (i = 0; i < nfds; i++)
|
|
close(fds[i]);
|
|
ERRNO_RESTORE();
|
|
goto out;
|
|
}
|
|
|
|
ret = nvl;
|
|
out:
|
|
ERRNO_SAVE();
|
|
nv_free(buf);
|
|
nv_free(fds);
|
|
ERRNO_RESTORE();
|
|
|
|
return (ret);
|
|
}
|
|
|
|
nvlist_t *
|
|
nvlist_xfer(int sock, nvlist_t *nvl, int flags)
|
|
{
|
|
|
|
if (nvlist_send(sock, nvl) < 0) {
|
|
nvlist_destroy(nvl);
|
|
return (NULL);
|
|
}
|
|
nvlist_destroy(nvl);
|
|
return (nvlist_recv(sock, flags));
|
|
}
|
|
#endif
|
|
|
|
nvpair_t *
|
|
nvlist_first_nvpair(const nvlist_t *nvl)
|
|
{
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
|
|
return (TAILQ_FIRST(&nvl->nvl_head));
|
|
}
|
|
|
|
nvpair_t *
|
|
nvlist_next_nvpair(const nvlist_t *nvl, const nvpair_t *nvp)
|
|
{
|
|
nvpair_t *retnvp;
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
NVPAIR_ASSERT(nvp);
|
|
PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
|
|
|
|
retnvp = nvpair_next(nvp);
|
|
PJDLOG_ASSERT(retnvp == NULL || nvpair_nvlist(retnvp) == nvl);
|
|
|
|
return (retnvp);
|
|
|
|
}
|
|
|
|
nvpair_t *
|
|
nvlist_prev_nvpair(const nvlist_t *nvl, const nvpair_t *nvp)
|
|
{
|
|
nvpair_t *retnvp;
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
NVPAIR_ASSERT(nvp);
|
|
PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
|
|
|
|
retnvp = nvpair_prev(nvp);
|
|
PJDLOG_ASSERT(nvpair_nvlist(retnvp) == nvl);
|
|
|
|
return (retnvp);
|
|
}
|
|
|
|
const char *
|
|
nvlist_next(const nvlist_t *nvl, int *typep, void **cookiep)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
|
|
if (cookiep == NULL || *cookiep == NULL)
|
|
nvp = nvlist_first_nvpair(nvl);
|
|
else
|
|
nvp = nvlist_next_nvpair(nvl, *cookiep);
|
|
if (nvp == NULL)
|
|
return (NULL);
|
|
if (typep != NULL)
|
|
*typep = nvpair_type(nvp);
|
|
if (cookiep != NULL)
|
|
*cookiep = nvp;
|
|
return (nvpair_name(nvp));
|
|
}
|
|
|
|
bool
|
|
nvlist_exists(const nvlist_t *nvl, const char *name)
|
|
{
|
|
|
|
return (nvlist_find(nvl, NV_TYPE_NONE, name) != NULL);
|
|
}
|
|
|
|
#define NVLIST_EXISTS(type, TYPE) \
|
|
bool \
|
|
nvlist_exists_##type(const nvlist_t *nvl, const char *name) \
|
|
{ \
|
|
\
|
|
return (nvlist_find(nvl, NV_TYPE_##TYPE, name) != NULL); \
|
|
}
|
|
|
|
NVLIST_EXISTS(null, NULL)
|
|
NVLIST_EXISTS(bool, BOOL)
|
|
NVLIST_EXISTS(number, NUMBER)
|
|
NVLIST_EXISTS(string, STRING)
|
|
NVLIST_EXISTS(nvlist, NVLIST)
|
|
NVLIST_EXISTS(binary, BINARY)
|
|
NVLIST_EXISTS(bool_array, BOOL_ARRAY)
|
|
NVLIST_EXISTS(number_array, NUMBER_ARRAY)
|
|
NVLIST_EXISTS(string_array, STRING_ARRAY)
|
|
NVLIST_EXISTS(nvlist_array, NVLIST_ARRAY)
|
|
#ifndef _KERNEL
|
|
NVLIST_EXISTS(descriptor, DESCRIPTOR)
|
|
NVLIST_EXISTS(descriptor_array, DESCRIPTOR_ARRAY)
|
|
#endif
|
|
|
|
#undef NVLIST_EXISTS
|
|
|
|
void
|
|
nvlist_add_nvpair(nvlist_t *nvl, const nvpair_t *nvp)
|
|
{
|
|
nvpair_t *newnvp;
|
|
|
|
NVPAIR_ASSERT(nvp);
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
if ((nvl->nvl_flags & NV_FLAG_NO_UNIQUE) == 0) {
|
|
if (nvlist_exists(nvl, nvpair_name(nvp))) {
|
|
nvl->nvl_error = EEXIST;
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
}
|
|
|
|
newnvp = nvpair_clone(nvp);
|
|
if (newnvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvpair_insert(&nvl->nvl_head, newnvp, nvl);
|
|
}
|
|
|
|
void
|
|
nvlist_add_stringf(nvlist_t *nvl, const char *name, const char *valuefmt, ...)
|
|
{
|
|
va_list valueap;
|
|
|
|
va_start(valueap, valuefmt);
|
|
nvlist_add_stringv(nvl, name, valuefmt, valueap);
|
|
va_end(valueap);
|
|
}
|
|
|
|
void
|
|
nvlist_add_stringv(nvlist_t *nvl, const char *name, const char *valuefmt,
|
|
va_list valueap)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_create_stringv(name, valuefmt, valueap);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
void
|
|
nvlist_add_null(nvlist_t *nvl, const char *name)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_create_null(name);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
void
|
|
nvlist_add_binary(nvlist_t *nvl, const char *name, const void *value,
|
|
size_t size)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_create_binary(name, value, size);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
|
|
#define NVLIST_ADD(vtype, type) \
|
|
void \
|
|
nvlist_add_##type(nvlist_t *nvl, const char *name, vtype value) \
|
|
{ \
|
|
nvpair_t *nvp; \
|
|
\
|
|
if (nvlist_error(nvl) != 0) { \
|
|
ERRNO_SET(nvlist_error(nvl)); \
|
|
return; \
|
|
} \
|
|
\
|
|
nvp = nvpair_create_##type(name, value); \
|
|
if (nvp == NULL) { \
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM); \
|
|
ERRNO_SET(nvl->nvl_error); \
|
|
} else { \
|
|
(void)nvlist_move_nvpair(nvl, nvp); \
|
|
} \
|
|
}
|
|
|
|
NVLIST_ADD(bool, bool)
|
|
NVLIST_ADD(uint64_t, number)
|
|
NVLIST_ADD(const char *, string)
|
|
NVLIST_ADD(const nvlist_t *, nvlist)
|
|
#ifndef _KERNEL
|
|
NVLIST_ADD(int, descriptor);
|
|
#endif
|
|
|
|
#undef NVLIST_ADD
|
|
|
|
#define NVLIST_ADD_ARRAY(vtype, type) \
|
|
void \
|
|
nvlist_add_##type##_array(nvlist_t *nvl, const char *name, vtype value, \
|
|
size_t nitems) \
|
|
{ \
|
|
nvpair_t *nvp; \
|
|
\
|
|
if (nvlist_error(nvl) != 0) { \
|
|
ERRNO_SET(nvlist_error(nvl)); \
|
|
return; \
|
|
} \
|
|
\
|
|
nvp = nvpair_create_##type##_array(name, value, nitems); \
|
|
if (nvp == NULL) { \
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM); \
|
|
ERRNO_SET(nvl->nvl_error); \
|
|
} else { \
|
|
(void)nvlist_move_nvpair(nvl, nvp); \
|
|
} \
|
|
}
|
|
|
|
NVLIST_ADD_ARRAY(const bool *, bool)
|
|
NVLIST_ADD_ARRAY(const uint64_t *, number)
|
|
NVLIST_ADD_ARRAY(const char * const *, string)
|
|
NVLIST_ADD_ARRAY(const nvlist_t * const *, nvlist)
|
|
#ifndef _KERNEL
|
|
NVLIST_ADD_ARRAY(const int *, descriptor)
|
|
#endif
|
|
|
|
#undef NVLIST_ADD_ARRAY
|
|
|
|
bool
|
|
nvlist_move_nvpair(nvlist_t *nvl, nvpair_t *nvp)
|
|
{
|
|
|
|
NVPAIR_ASSERT(nvp);
|
|
PJDLOG_ASSERT(nvpair_nvlist(nvp) == NULL);
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
nvpair_free(nvp);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return (false);
|
|
}
|
|
if ((nvl->nvl_flags & NV_FLAG_NO_UNIQUE) == 0) {
|
|
if (nvlist_exists(nvl, nvpair_name(nvp))) {
|
|
nvpair_free(nvp);
|
|
nvl->nvl_error = EEXIST;
|
|
ERRNO_SET(nvl->nvl_error);
|
|
return (false);
|
|
}
|
|
}
|
|
|
|
nvpair_insert(&nvl->nvl_head, nvp, nvl);
|
|
return (true);
|
|
}
|
|
|
|
void
|
|
nvlist_move_string(nvlist_t *nvl, const char *name, char *value)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
nv_free(value);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_string(name, value);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
void
|
|
nvlist_move_nvlist(nvlist_t *nvl, const char *name, nvlist_t *value)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
if (value != NULL && nvlist_get_nvpair_parent(value) != NULL)
|
|
nvlist_destroy(value);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_nvlist(name, value);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
#ifndef _KERNEL
|
|
void
|
|
nvlist_move_descriptor(nvlist_t *nvl, const char *name, int value)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
close(value);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_descriptor(name, value);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void
|
|
nvlist_move_binary(nvlist_t *nvl, const char *name, void *value, size_t size)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
nv_free(value);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_binary(name, value, size);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
void
|
|
nvlist_move_bool_array(nvlist_t *nvl, const char *name, bool *value,
|
|
size_t nitems)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
nv_free(value);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_bool_array(name, value, nitems);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
void
|
|
nvlist_move_string_array(nvlist_t *nvl, const char *name, char **value,
|
|
size_t nitems)
|
|
{
|
|
nvpair_t *nvp;
|
|
size_t i;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
if (value != NULL) {
|
|
for (i = 0; i < nitems; i++)
|
|
nv_free(value[i]);
|
|
nv_free(value);
|
|
}
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_string_array(name, value, nitems);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
void
|
|
nvlist_move_nvlist_array(nvlist_t *nvl, const char *name, nvlist_t **value,
|
|
size_t nitems)
|
|
{
|
|
nvpair_t *nvp;
|
|
size_t i;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
if (value != NULL) {
|
|
for (i = 0; i < nitems; i++) {
|
|
if (nvlist_get_pararr(value[i], NULL) == NULL)
|
|
nvlist_destroy(value[i]);
|
|
}
|
|
}
|
|
nv_free(value);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_nvlist_array(name, value, nitems);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
void
|
|
nvlist_move_number_array(nvlist_t *nvl, const char *name, uint64_t *value,
|
|
size_t nitems)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
nv_free(value);
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_number_array(name, value, nitems);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
|
|
#ifndef _KERNEL
|
|
void
|
|
nvlist_move_descriptor_array(nvlist_t *nvl, const char *name, int *value,
|
|
size_t nitems)
|
|
{
|
|
nvpair_t *nvp;
|
|
size_t i;
|
|
|
|
if (nvlist_error(nvl) != 0) {
|
|
if (value != 0) {
|
|
for (i = 0; i < nitems; i++)
|
|
close(value[i]);
|
|
nv_free(value);
|
|
}
|
|
|
|
ERRNO_SET(nvlist_error(nvl));
|
|
return;
|
|
}
|
|
|
|
nvp = nvpair_move_descriptor_array(name, value, nitems);
|
|
if (nvp == NULL) {
|
|
nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
|
|
ERRNO_SET(nvl->nvl_error);
|
|
} else {
|
|
(void)nvlist_move_nvpair(nvl, nvp);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
const nvpair_t *
|
|
nvlist_get_nvpair(const nvlist_t *nvl, const char *name)
|
|
{
|
|
|
|
return (nvlist_find(nvl, NV_TYPE_NONE, name));
|
|
}
|
|
|
|
#define NVLIST_GET(ftype, type, TYPE) \
|
|
ftype \
|
|
nvlist_get_##type(const nvlist_t *nvl, const char *name) \
|
|
{ \
|
|
const nvpair_t *nvp; \
|
|
\
|
|
nvp = nvlist_find(nvl, NV_TYPE_##TYPE, name); \
|
|
if (nvp == NULL) \
|
|
nvlist_report_missing(NV_TYPE_##TYPE, name); \
|
|
return (nvpair_get_##type(nvp)); \
|
|
}
|
|
|
|
NVLIST_GET(bool, bool, BOOL)
|
|
NVLIST_GET(uint64_t, number, NUMBER)
|
|
NVLIST_GET(const char *, string, STRING)
|
|
NVLIST_GET(const nvlist_t *, nvlist, NVLIST)
|
|
#ifndef _KERNEL
|
|
NVLIST_GET(int, descriptor, DESCRIPTOR)
|
|
#endif
|
|
|
|
#undef NVLIST_GET
|
|
|
|
const void *
|
|
nvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep)
|
|
{
|
|
nvpair_t *nvp;
|
|
|
|
nvp = nvlist_find(nvl, NV_TYPE_BINARY, name);
|
|
if (nvp == NULL)
|
|
nvlist_report_missing(NV_TYPE_BINARY, name);
|
|
|
|
return (nvpair_get_binary(nvp, sizep));
|
|
}
|
|
|
|
#define NVLIST_GET_ARRAY(ftype, type, TYPE) \
|
|
ftype \
|
|
nvlist_get_##type##_array(const nvlist_t *nvl, const char *name, \
|
|
size_t *nitems) \
|
|
{ \
|
|
const nvpair_t *nvp; \
|
|
\
|
|
nvp = nvlist_find(nvl, NV_TYPE_##TYPE##_ARRAY, name); \
|
|
if (nvp == NULL) \
|
|
nvlist_report_missing(NV_TYPE_##TYPE##_ARRAY, name); \
|
|
return (nvpair_get_##type##_array(nvp, nitems)); \
|
|
}
|
|
|
|
NVLIST_GET_ARRAY(const bool *, bool, BOOL)
|
|
NVLIST_GET_ARRAY(const uint64_t *, number, NUMBER)
|
|
NVLIST_GET_ARRAY(const char * const *, string, STRING)
|
|
NVLIST_GET_ARRAY(const nvlist_t * const *, nvlist, NVLIST)
|
|
#ifndef _KERNEL
|
|
NVLIST_GET_ARRAY(const int *, descriptor, DESCRIPTOR)
|
|
#endif
|
|
|
|
#undef NVLIST_GET_ARRAY
|
|
|
|
#define NVLIST_TAKE(ftype, type, TYPE) \
|
|
ftype \
|
|
nvlist_take_##type(nvlist_t *nvl, const char *name) \
|
|
{ \
|
|
nvpair_t *nvp; \
|
|
ftype value; \
|
|
\
|
|
nvp = nvlist_find(nvl, NV_TYPE_##TYPE, name); \
|
|
if (nvp == NULL) \
|
|
nvlist_report_missing(NV_TYPE_##TYPE, name); \
|
|
value = (ftype)(intptr_t)nvpair_get_##type(nvp); \
|
|
nvlist_remove_nvpair(nvl, nvp); \
|
|
nvpair_free_structure(nvp); \
|
|
return (value); \
|
|
}
|
|
|
|
NVLIST_TAKE(bool, bool, BOOL)
|
|
NVLIST_TAKE(uint64_t, number, NUMBER)
|
|
NVLIST_TAKE(char *, string, STRING)
|
|
NVLIST_TAKE(nvlist_t *, nvlist, NVLIST)
|
|
#ifndef _KERNEL
|
|
NVLIST_TAKE(int, descriptor, DESCRIPTOR)
|
|
#endif
|
|
|
|
#undef NVLIST_TAKE
|
|
|
|
void *
|
|
nvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep)
|
|
{
|
|
nvpair_t *nvp;
|
|
void *value;
|
|
|
|
nvp = nvlist_find(nvl, NV_TYPE_BINARY, name);
|
|
if (nvp == NULL)
|
|
nvlist_report_missing(NV_TYPE_BINARY, name);
|
|
|
|
value = (void *)(intptr_t)nvpair_get_binary(nvp, sizep);
|
|
nvlist_remove_nvpair(nvl, nvp);
|
|
nvpair_free_structure(nvp);
|
|
return (value);
|
|
}
|
|
|
|
#define NVLIST_TAKE_ARRAY(ftype, type, TYPE) \
|
|
ftype \
|
|
nvlist_take_##type##_array(nvlist_t *nvl, const char *name, \
|
|
size_t *nitems) \
|
|
{ \
|
|
nvpair_t *nvp; \
|
|
ftype value; \
|
|
\
|
|
nvp = nvlist_find(nvl, NV_TYPE_##TYPE##_ARRAY, name); \
|
|
if (nvp == NULL) \
|
|
nvlist_report_missing(NV_TYPE_##TYPE##_ARRAY, name); \
|
|
value = (ftype)(intptr_t)nvpair_get_##type##_array(nvp, nitems);\
|
|
nvlist_remove_nvpair(nvl, nvp); \
|
|
nvpair_free_structure(nvp); \
|
|
return (value); \
|
|
}
|
|
|
|
NVLIST_TAKE_ARRAY(bool *, bool, BOOL)
|
|
NVLIST_TAKE_ARRAY(uint64_t *, number, NUMBER)
|
|
NVLIST_TAKE_ARRAY(char **, string, STRING)
|
|
NVLIST_TAKE_ARRAY(nvlist_t **, nvlist, NVLIST)
|
|
#ifndef _KERNEL
|
|
NVLIST_TAKE_ARRAY(int *, descriptor, DESCRIPTOR)
|
|
#endif
|
|
|
|
void
|
|
nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp)
|
|
{
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
NVPAIR_ASSERT(nvp);
|
|
PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
|
|
|
|
nvpair_remove(&nvl->nvl_head, nvp, nvl);
|
|
}
|
|
|
|
void
|
|
nvlist_free(nvlist_t *nvl, const char *name)
|
|
{
|
|
|
|
nvlist_free_type(nvl, name, NV_TYPE_NONE);
|
|
}
|
|
|
|
#define NVLIST_FREE(type, TYPE) \
|
|
void \
|
|
nvlist_free_##type(nvlist_t *nvl, const char *name) \
|
|
{ \
|
|
\
|
|
nvlist_free_type(nvl, name, NV_TYPE_##TYPE); \
|
|
}
|
|
|
|
NVLIST_FREE(null, NULL)
|
|
NVLIST_FREE(bool, BOOL)
|
|
NVLIST_FREE(number, NUMBER)
|
|
NVLIST_FREE(string, STRING)
|
|
NVLIST_FREE(nvlist, NVLIST)
|
|
NVLIST_FREE(binary, BINARY)
|
|
NVLIST_FREE(bool_array, BOOL_ARRAY)
|
|
NVLIST_FREE(number_array, NUMBER_ARRAY)
|
|
NVLIST_FREE(string_array, STRING_ARRAY)
|
|
NVLIST_FREE(nvlist_array, NVLIST_ARRAY)
|
|
#ifndef _KERNEL
|
|
NVLIST_FREE(descriptor, DESCRIPTOR)
|
|
NVLIST_FREE(descriptor_array, DESCRIPTOR_ARRAY)
|
|
#endif
|
|
|
|
#undef NVLIST_FREE
|
|
|
|
void
|
|
nvlist_free_nvpair(nvlist_t *nvl, nvpair_t *nvp)
|
|
{
|
|
|
|
NVLIST_ASSERT(nvl);
|
|
NVPAIR_ASSERT(nvp);
|
|
PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
|
|
|
|
nvlist_remove_nvpair(nvl, nvp);
|
|
nvpair_free(nvp);
|
|
}
|
|
|