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