1 /* $NetBSD: cnvlist.c,v 1.2 2018/09/08 14:02:15 christos Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (c) 2016 Adam Starak <starak.adam (at) gmail.com> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD: head/sys/contrib/libnv/cnvlist.c 335343 2018-06-18 21:26:58Z oshogbo $ 31 */ 32 33 #include <sys/cdefs.h> 34 #ifdef __FreeBSD__ 35 __FBSDID("$FreeBSD: head/sys/contrib/libnv/cnvlist.c 335343 2018-06-18 21:26:58Z oshogbo $"); 36 #else 37 __RCSID("$NetBSD: cnvlist.c,v 1.2 2018/09/08 14:02:15 christos Exp $"); 38 #endif 39 40 #if defined(_KERNEL) || defined(_STANDALONE) 41 42 #include <sys/types.h> 43 #include <sys/param.h> 44 #include <sys/kernel.h> 45 #include <sys/systm.h> 46 #include <sys/malloc.h> 47 48 #ifdef __FreeBSD__ 49 #include <machine/stdarg.h> 50 #endif 51 52 #else 53 #include <stdarg.h> 54 #include <stdbool.h> 55 #include <stdint.h> 56 #include <stdlib.h> 57 #endif 58 59 #ifdef __FreeBSD__ 60 #include <sys/nv.h> 61 #include <sys/cnv.h> 62 #else 63 #include "nv.h" 64 #include "cnv.h" 65 #endif 66 67 #include "nv_impl.h" 68 #include "nvlist_impl.h" 69 #include "nvpair_impl.h" 70 71 const char * 72 cnvlist_name(const void *cookie) 73 { 74 75 return (nvpair_name(cookie)); 76 } 77 78 int 79 cnvlist_type(const void *cookie) 80 { 81 82 return (nvpair_type(cookie)); 83 } 84 85 #define CNVLIST_GET(ftype, type, NVTYPE) \ 86 ftype \ 87 cnvlist_get_##type(const void *cookie) \ 88 { \ 89 \ 90 if (nvpair_type(cookie) != NV_TYPE_##NVTYPE) { \ 91 nvlist_report_missing(NV_TYPE_##NVTYPE, \ 92 nvpair_name(cookie)); \ 93 } \ 94 return (nvpair_get_##type(cookie)); \ 95 } 96 97 CNVLIST_GET(bool, bool, BOOL) 98 CNVLIST_GET(uint64_t, number, NUMBER) 99 CNVLIST_GET(const char *, string, STRING) 100 CNVLIST_GET(const nvlist_t *, nvlist, NVLIST) 101 #if !defined(_KERNEL) && !defined(_STANDALONE) 102 CNVLIST_GET(int, descriptor, DESCRIPTOR) 103 #endif 104 105 #undef CNVLIST_GET 106 107 #define CNVLIST_GET_ARRAY(ftype, type, NVTYPE) \ 108 ftype \ 109 cnvlist_get_##type(const void *cookie, size_t *nitemsp) \ 110 { \ 111 \ 112 if (nvpair_type(cookie) != NV_TYPE_##NVTYPE) { \ 113 nvlist_report_missing(NV_TYPE_##NVTYPE, \ 114 nvpair_name(cookie)); \ 115 } \ 116 return (nvpair_get_##type(cookie, nitemsp)); \ 117 } 118 119 CNVLIST_GET_ARRAY(const bool *, bool_array, BOOL_ARRAY) 120 CNVLIST_GET_ARRAY(const uint64_t *, number_array, NUMBER_ARRAY) 121 CNVLIST_GET_ARRAY(const char * const *, string_array, STRING_ARRAY) 122 CNVLIST_GET_ARRAY(const nvlist_t * const *, nvlist_array, NVLIST_ARRAY) 123 #if !defined(_KERNEL) && !defined(_STANDALONE) 124 CNVLIST_GET_ARRAY(const int *, descriptor_array, DESCRIPTOR_ARRAY) 125 #endif 126 127 #undef CNVLIST_GET_ARRAY 128 129 const void * 130 cnvlist_get_binary(const void *cookie, size_t *sizep) 131 { 132 133 if (nvpair_type(cookie) != NV_TYPE_BINARY) 134 nvlist_report_missing(NV_TYPE_BINARY, nvpair_name(cookie)); 135 return (nvpair_get_binary(cookie, sizep)); 136 } 137 138 #define CNVLIST_TAKE(ftype, type, NVTYPE) \ 139 ftype \ 140 cnvlist_take_##type(void *cookie) \ 141 { \ 142 ftype value; \ 143 nvlist_t *nvl; \ 144 \ 145 if (nvpair_type(cookie) != NV_TYPE_##NVTYPE) { \ 146 nvlist_report_missing(NV_TYPE_##NVTYPE, \ 147 nvpair_name(cookie)); \ 148 } \ 149 nvl = nvpair_nvlist(cookie); \ 150 value = (ftype)(intptr_t)nvpair_get_##type(cookie); \ 151 nvlist_remove_nvpair(nvl, cookie); \ 152 nvpair_free_structure(cookie); \ 153 return (value); \ 154 } 155 156 CNVLIST_TAKE(bool, bool, BOOL) 157 CNVLIST_TAKE(uint64_t, number, NUMBER) 158 CNVLIST_TAKE(char *, string, STRING) 159 CNVLIST_TAKE(nvlist_t *, nvlist, NVLIST) 160 #if !defined(_KERNEL) && !defined(_STANDALONE) 161 CNVLIST_TAKE(int, descriptor, DESCRIPTOR) 162 #endif 163 164 #undef CNVLIST_TAKE 165 166 #define CNVLIST_TAKE_ARRAY(ftype, type, NVTYPE) \ 167 ftype \ 168 cnvlist_take_##type(void *cookie, size_t *nitemsp) \ 169 { \ 170 ftype value; \ 171 nvlist_t *nvl; \ 172 \ 173 if (nvpair_type(cookie) != NV_TYPE_##NVTYPE) { \ 174 nvlist_report_missing(NV_TYPE_##NVTYPE, \ 175 nvpair_name(cookie)); \ 176 } \ 177 nvl = nvpair_nvlist(cookie); \ 178 value = (ftype)(intptr_t)nvpair_get_##type(cookie, nitemsp); \ 179 nvlist_remove_nvpair(nvl, cookie); \ 180 nvpair_free_structure(cookie); \ 181 return (value); \ 182 } 183 184 CNVLIST_TAKE_ARRAY(bool *, bool_array, BOOL_ARRAY) 185 CNVLIST_TAKE_ARRAY(uint64_t *, number_array, NUMBER_ARRAY) 186 CNVLIST_TAKE_ARRAY(char **, string_array, STRING_ARRAY) 187 CNVLIST_TAKE_ARRAY(nvlist_t **, nvlist_array, NVLIST_ARRAY) 188 #if !defined(_KERNEL) && !defined(_STANDALONE) 189 CNVLIST_TAKE_ARRAY(int *, descriptor_array, DESCRIPTOR_ARRAY); 190 #endif 191 192 #undef CNVLIST_TAKE_ARRAY 193 194 void * 195 cnvlist_take_binary(void *cookie, size_t *sizep) 196 { 197 void *value; 198 nvlist_t *nvl; 199 200 if (nvpair_type(cookie) != NV_TYPE_BINARY) 201 nvlist_report_missing(NV_TYPE_BINARY, nvpair_name(cookie)); 202 nvl = nvpair_nvlist(cookie); 203 value = (void *)(intptr_t)nvpair_get_binary(cookie, sizep); 204 nvlist_remove_nvpair(nvl, cookie); 205 nvpair_free_structure(cookie); 206 return (value); 207 } 208 209 210 #define CNVLIST_FREE(type) \ 211 void \ 212 cnvlist_free_##type(void *cookie) \ 213 { \ 214 \ 215 nvlist_free_nvpair(nvpair_nvlist(cookie), cookie); \ 216 } 217 218 CNVLIST_FREE(bool) 219 CNVLIST_FREE(number) 220 CNVLIST_FREE(string) 221 CNVLIST_FREE(nvlist) 222 CNVLIST_FREE(binary); 223 CNVLIST_FREE(bool_array) 224 CNVLIST_FREE(number_array) 225 CNVLIST_FREE(string_array) 226 CNVLIST_FREE(nvlist_array) 227 #if !defined(_KERNEL) && !defined(_STANDALONE) 228 CNVLIST_FREE(descriptor) 229 CNVLIST_FREE(descriptor_array) 230 #endif 231 232 #undef CNVLIST_FREE 233
Indexes created Tue Sep 30 07:10:03 GMT 2025