1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2016 Adam Starak <starak.adam@gmail.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD$"); 33 34#ifdef _KERNEL 35 36#include <sys/types.h> 37#include <sys/param.h> 38#include <sys/kernel.h> 39#include <sys/systm.h> 40#include <sys/malloc.h> 41 42#include <machine/stdarg.h> 43 44#else 45#include <stdarg.h> 46#include <stdbool.h> 47#include <stdint.h> 48#include <stdlib.h> 49#endif 50 51#include <sys/cnv.h> 52#include <sys/nv.h> 53 54#include "nv_impl.h" 55#include "nvlist_impl.h" 56#include "nvpair_impl.h" 57 58const char * 59cnvlist_name(const void *cookie) 60{ 61 62 return (nvpair_name(cookie)); 63} 64 65int 66cnvlist_type(const void *cookie) 67{ 68 69 return (nvpair_type(cookie)); 70} 71 72#define CNVLIST_GET(ftype, type, NVTYPE) \ 73ftype \ 74cnvlist_get_##type(const void *cookie) \ 75{ \ 76 \ 77 if (nvpair_type(cookie) != NV_TYPE_##NVTYPE) { \ 78 nvlist_report_missing(NV_TYPE_##NVTYPE, \ 79 nvpair_name(cookie)); \ 80 } \ 81 return (nvpair_get_##type(cookie)); \ 82} 83 84CNVLIST_GET(bool, bool, BOOL) 85CNVLIST_GET(uint64_t, number, NUMBER) 86CNVLIST_GET(const char *, string, STRING) 87CNVLIST_GET(const nvlist_t *, nvlist, NVLIST) 88#ifndef _KERNEL 89CNVLIST_GET(int, descriptor, DESCRIPTOR) 90#endif 91 92#undef CNVLIST_GET 93 94#define CNVLIST_GET_ARRAY(ftype, type, NVTYPE) \ 95ftype \ 96cnvlist_get_##type(const void *cookie, size_t *nitemsp) \ 97{ \ 98 \ 99 if (nvpair_type(cookie) != NV_TYPE_##NVTYPE) { \ 100 nvlist_report_missing(NV_TYPE_##NVTYPE, \ 101 nvpair_name(cookie)); \ 102 } \ 103 return (nvpair_get_##type(cookie, nitemsp)); \ 104} 105 106CNVLIST_GET_ARRAY(const bool *, bool_array, BOOL_ARRAY) 107CNVLIST_GET_ARRAY(const uint64_t *, number_array, NUMBER_ARRAY) 108CNVLIST_GET_ARRAY(const char * const *, string_array, STRING_ARRAY) 109CNVLIST_GET_ARRAY(const nvlist_t * const *, nvlist_array, NVLIST_ARRAY) 110#ifndef _KERNEL 111CNVLIST_GET_ARRAY(const int *, descriptor_array, DESCRIPTOR_ARRAY) 112#endif 113 114#undef CNVLIST_GET_ARRAY 115 116const void * 117cnvlist_get_binary(const void *cookie, size_t *sizep) 118{ 119 120 if (nvpair_type(cookie) != NV_TYPE_BINARY) 121 nvlist_report_missing(NV_TYPE_BINARY, nvpair_name(cookie)); 122 return (nvpair_get_binary(cookie, sizep)); 123} 124 125#define CNVLIST_TAKE(ftype, type, NVTYPE) \ 126ftype \ 127cnvlist_take_##type(void *cookie) \ 128{ \ 129 ftype value; \ 130 nvlist_t *nvl; \ 131 \ 132 if (nvpair_type(cookie) != NV_TYPE_##NVTYPE) { \ 133 nvlist_report_missing(NV_TYPE_##NVTYPE, \ 134 nvpair_name(cookie)); \ 135 } \ 136 nvl = nvpair_nvlist(cookie); \ 137 value = (ftype)(intptr_t)nvpair_get_##type(cookie); \ 138 nvlist_remove_nvpair(nvl, cookie); \ 139 nvpair_free_structure(cookie); \ 140 return (value); \ 141} 142 143CNVLIST_TAKE(bool, bool, BOOL) 144CNVLIST_TAKE(uint64_t, number, NUMBER) 145CNVLIST_TAKE(char *, string, STRING) 146CNVLIST_TAKE(nvlist_t *, nvlist, NVLIST) 147#ifndef _KERNEL 148CNVLIST_TAKE(int, descriptor, DESCRIPTOR) 149#endif 150 151#undef CNVLIST_TAKE 152 153#define CNVLIST_TAKE_ARRAY(ftype, type, NVTYPE) \ 154ftype \ 155cnvlist_take_##type(void *cookie, size_t *nitemsp) \ 156{ \ 157 ftype value; \ 158 nvlist_t *nvl; \ 159 \ 160 if (nvpair_type(cookie) != NV_TYPE_##NVTYPE) { \ 161 nvlist_report_missing(NV_TYPE_##NVTYPE, \ 162 nvpair_name(cookie)); \ 163 } \ 164 nvl = nvpair_nvlist(cookie); \ 165 value = (ftype)(intptr_t)nvpair_get_##type(cookie, nitemsp); \ 166 nvlist_remove_nvpair(nvl, cookie); \ 167 nvpair_free_structure(cookie); \ 168 return (value); \ 169} 170 171CNVLIST_TAKE_ARRAY(bool *, bool_array, BOOL_ARRAY) 172CNVLIST_TAKE_ARRAY(uint64_t *, number_array, NUMBER_ARRAY) 173CNVLIST_TAKE_ARRAY(char **, string_array, STRING_ARRAY) 174CNVLIST_TAKE_ARRAY(nvlist_t **, nvlist_array, NVLIST_ARRAY) 175#ifndef _KERNEL 176CNVLIST_TAKE_ARRAY(int *, descriptor_array, DESCRIPTOR_ARRAY); 177#endif 178 179#undef CNVLIST_TAKE_ARRAY 180 181void * 182cnvlist_take_binary(void *cookie, size_t *sizep) 183{ 184 void *value; 185 nvlist_t *nvl; 186 187 if (nvpair_type(cookie) != NV_TYPE_BINARY) 188 nvlist_report_missing(NV_TYPE_BINARY, nvpair_name(cookie)); 189 nvl = nvpair_nvlist(cookie); 190 value = (void *)(intptr_t)nvpair_get_binary(cookie, sizep); 191 nvlist_remove_nvpair(nvl, cookie); 192 nvpair_free_structure(cookie); 193 return (value); 194} 195 196 197#define CNVLIST_FREE(type) \ 198void \ 199cnvlist_free_##type(void *cookie) \ 200{ \ 201 \ 202 nvlist_free_nvpair(nvpair_nvlist(cookie), cookie); \ 203} 204 205CNVLIST_FREE(bool) 206CNVLIST_FREE(number) 207CNVLIST_FREE(string) 208CNVLIST_FREE(nvlist) 209CNVLIST_FREE(binary); 210CNVLIST_FREE(bool_array) 211CNVLIST_FREE(number_array) 212CNVLIST_FREE(string_array) 213CNVLIST_FREE(nvlist_array) 214#ifndef _KERNEL 215CNVLIST_FREE(descriptor) 216CNVLIST_FREE(descriptor_array) 217#endif 218 219#undef CNVLIST_FREE 220