1 /* $NetBSD: nv_impl.h,v 1.7 2019/07/24 14:25:56 martin Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (c) 2013 The FreeBSD Foundation 7 * Copyright (c) 2013-2015 Mariusz Zaborski <oshogbo (at) FreeBSD.org> 8 * All rights reserved. 9 * 10 * This software was developed by Pawel Jakub Dawidek under sponsorship from 11 * the FreeBSD Foundation. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD: head/sys/contrib/libnv/nv_impl.h 335347 2018-06-18 22:57:32Z oshogbo $ 35 */ 36 37 #ifndef _NV_IMPL_H_ 38 #define _NV_IMPL_H_ 39 40 #include "nv_compat.h" 41 42 #ifndef _NVPAIR_T_DECLARED 43 #define _NVPAIR_T_DECLARED 44 struct nvpair; 45 46 typedef struct nvpair nvpair_t; 47 #endif 48 49 #define NV_TYPE_NVLIST_ARRAY_NEXT 254 50 #define NV_TYPE_NVLIST_UP 255 51 52 #define NV_TYPE_FIRST NV_TYPE_NULL 53 #define NV_TYPE_LAST NV_TYPE_DESCRIPTOR_ARRAY 54 55 #define NV_FLAG_BIG_ENDIAN 0x080 56 #define NV_FLAG_IN_ARRAY 0x100 57 58 #if defined(_KERNEL) 59 # define nv_malloc(size) malloc((size), M_NVLIST, M_WAITOK) 60 # ifdef __FreeBSD__ 61 # define nv_calloc(n, size) mallocarray((n), (size), M_NVLIST, \ 62 M_WAITOK | M_ZERO) 63 # else 64 extern void *nv_calloc(size_t, size_t); 65 # endif 66 # define nv_realloc(buf, size) realloc((buf), (size), M_NVLIST, \ 67 M_WAITOK) 68 # ifdef __FreeBSD__ 69 # define nv_free(buf) free((buf), M_NVLIST) 70 # define nv_strdup(buf) strdup((buf), M_NVLIST) 71 # else 72 extern void nv_free(void *); 73 extern char *nv_strdup(const char *); 74 # endif 75 #ifdef __NetBSD__ 76 # define nv_kmem_free(B,L) kmem_free(B,L) 77 #else 78 # define nv_kmem_free(B,L) nv_free(B) 79 #endif 80 # define nv_vasprintf(ptr, ...) vasprintf(ptr, M_NVLIST, __VA_ARGS__) 81 #elif defined(_STANDALONE) 82 extern void *nv_malloc(size_t); 83 extern void *nv_calloc(size_t, size_t); 84 extern void *nv_realloc(void *, size_t); 85 extern void nv_free(void *); 86 extern char *nv_strdup(const char *); 87 # define nv_vasprintf(ptr, ...) vasprintf(ptr, M_NVLIST, __VA_ARGS__) 88 #else /* USERLAND */ 89 90 # define nv_malloc(size) malloc((size)) 91 # define nv_realloc(buf, size) realloc((buf), (size)) 92 # define nv_free(buf) free((buf)) 93 # define nv_vasprintf(ptr, ...) vasprintf(ptr, __VA_ARGS__) 94 # define nv_kmem_free(B,L) nv_free(B) 95 void *nv_calloc(size_t, size_t); 96 char *nv_strdup(const char *); 97 98 # define ERRNO_SET(var) do { \ 99 errno = (var); \ 100 } while (/*CONSTCOND*/0) 101 # define ERRNO_SAVE() do { \ 102 int _serrno; \ 103 _serrno = errno 104 105 # define ERRNO_RESTORE() errno = _serrno; \ 106 } while (/*CONSTCOND*/0) 107 108 # define ERRNO_OR_DEFAULT(default) (errno == 0 ? (default) : errno) 109 110 #endif 111 112 #ifndef ERRNO_SET 113 # define ERRNO_SET(var) do { } while (/*CONSTCOND*/0) 114 # define ERRNO_SAVE() do { do { } while(/*CONSTCOND*/0) 115 # define ERRNO_RESTORE() } while (/*CONSTCOND*/0) 116 117 # define ERRNO_OR_DEFAULT(default) (default) 118 #endif 119 120 int *nvlist_descriptors(const nvlist_t *nvl, size_t *nitemsp); 121 size_t nvlist_ndescriptors(const nvlist_t *nvl); 122 void nvlist_set_flags(nvlist_t *nvl, int flags); 123 124 nvpair_t *nvlist_first_nvpair(const nvlist_t *nvl); 125 nvpair_t *nvlist_next_nvpair(const nvlist_t *nvl, const nvpair_t *nvp); 126 nvpair_t *nvlist_prev_nvpair(const nvlist_t *nvl, const nvpair_t *nvp); 127 128 void nvlist_add_nvpair(nvlist_t *nvl, const nvpair_t *nvp); 129 130 bool nvlist_move_nvpair(nvlist_t *nvl, nvpair_t *nvp); 131 132 void nvlist_set_parent(nvlist_t *nvl, nvpair_t *parent); 133 void nvlist_set_array_next(nvlist_t *nvl, nvpair_t *ele); 134 nvpair_t *nvlist_get_array_next_nvpair(nvlist_t *nvl); 135 136 const nvpair_t *nvlist_get_nvpair(const nvlist_t *nvl, const char *name); 137 138 nvpair_t *nvlist_take_nvpair(nvlist_t *nvl, const char *name); 139 140 /* Function removes the given nvpair from the nvlist. */ 141 void nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp); 142 143 void nvlist_free_nvpair(nvlist_t *nvl, nvpair_t *nvp); 144 145 int nvpair_type(const nvpair_t *nvp); 146 const char *nvpair_name(const nvpair_t *nvp); 147 148 nvpair_t *nvpair_clone(const nvpair_t *nvp); 149 150 nvpair_t *nvpair_create_null(const char *name); 151 nvpair_t *nvpair_create_bool(const char *name, bool value); 152 nvpair_t *nvpair_create_number(const char *name, uint64_t value); 153 nvpair_t *nvpair_create_string(const char *name, const char *value); 154 nvpair_t *nvpair_create_stringf(const char *name, const char *valuefmt, ...) __printflike(2, 3); 155 nvpair_t *nvpair_create_stringv(const char *name, const char *valuefmt, va_list valueap) __printflike(2, 0); 156 nvpair_t *nvpair_create_nvlist(const char *name, const nvlist_t *value); 157 nvpair_t *nvpair_create_descriptor(const char *name, int value); 158 nvpair_t *nvpair_create_binary(const char *name, const void *value, size_t size); 159 nvpair_t *nvpair_create_bool_array(const char *name, const bool *value, size_t nitems); 160 nvpair_t *nvpair_create_number_array(const char *name, const uint64_t *value, size_t nitems); 161 nvpair_t *nvpair_create_string_array(const char *name, const char * const *value, size_t nitems); 162 nvpair_t *nvpair_create_nvlist_array(const char *name, const nvlist_t * const *value, size_t nitems); 163 nvpair_t *nvpair_create_descriptor_array(const char *name, const int *value, size_t nitems); 164 165 nvpair_t *nvpair_move_string(const char *name, char *value); 166 nvpair_t *nvpair_move_nvlist(const char *name, nvlist_t *value); 167 nvpair_t *nvpair_move_descriptor(const char *name, int value); 168 nvpair_t *nvpair_move_binary(const char *name, void *value, size_t size); 169 nvpair_t *nvpair_move_bool_array(const char *name, bool *value, size_t nitems); 170 nvpair_t *nvpair_move_nvlist_array(const char *name, nvlist_t **value, size_t nitems); 171 nvpair_t *nvpair_move_descriptor_array(const char *name, int *value, size_t nitems); 172 nvpair_t *nvpair_move_number_array(const char *name, uint64_t *value, size_t nitems); 173 nvpair_t *nvpair_move_string_array(const char *name, char **value, size_t nitems); 174 175 int nvpair_append_bool_array(nvpair_t *nvp, const bool value); 176 int nvpair_append_number_array(nvpair_t *nvp, const uint64_t value); 177 int nvpair_append_string_array(nvpair_t *nvp, const char *value); 178 int nvpair_append_nvlist_array(nvpair_t *nvp, const nvlist_t *value); 179 int nvpair_append_descriptor_array(nvpair_t *nvp, const int value); 180 181 bool nvpair_get_bool(const nvpair_t *nvp); 182 uint64_t nvpair_get_number(const nvpair_t *nvp); 183 const char *nvpair_get_string(const nvpair_t *nvp); 184 const nvlist_t *nvpair_get_nvlist(const nvpair_t *nvp); 185 int nvpair_get_descriptor(const nvpair_t *nvp); 186 const void *nvpair_get_binary(const nvpair_t *nvp, size_t *sizep); 187 const bool *nvpair_get_bool_array(const nvpair_t *nvp, size_t *nitemsp); 188 const uint64_t *nvpair_get_number_array(const nvpair_t *nvp, size_t *nitemsp); 189 const char * const *nvpair_get_string_array(const nvpair_t *nvp, size_t *nitemsp); 190 const nvlist_t * const *nvpair_get_nvlist_array(const nvpair_t *nvp, size_t *nitemsp); 191 const int *nvpair_get_descriptor_array(const nvpair_t *nvp, size_t *nitemsp); 192 193 void nvpair_free(nvpair_t *nvp); 194 195 #endif /* !_NV_IMPL_H_ */ 196
Indexes created Tue Sep 23 02:09:52 GMT 2025