2 * Copyright (c) 2009-2013 The FreeBSD Foundation
5 * This software was developed by Pawel Jakub Dawidek under sponsorship from
6 * the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/endian.h>
35 #include <sys/queue.h>
50 #include "common_impl.h"
53 #include "nvlist_impl.h"
54 #include "nvpair_impl.h"
58 #define PJDLOG_ASSERT(...) assert(__VA_ARGS__)
59 #define PJDLOG_RASSERT(expr, ...) assert(expr)
60 #define PJDLOG_ABORT(...) abort()
63 #define NVPAIR_MAGIC 0x6e7670 /* "nvp" */
70 nvlist_t *nvp_list; /* Used for sanity checks. */
71 TAILQ_ENTRY(nvpair) nvp_next;
74 #define NVPAIR_ASSERT(nvp) do { \
75 PJDLOG_ASSERT((nvp) != NULL); \
76 PJDLOG_ASSERT((nvp)->nvp_magic == NVPAIR_MAGIC); \
79 struct nvpair_header {
81 uint16_t nvph_namesize;
82 uint64_t nvph_datasize;
87 nvpair_assert(const nvpair_t *nvp)
94 nvpair_nvlist(const nvpair_t *nvp)
99 return (nvp->nvp_list);
103 nvpair_next(const nvpair_t *nvp)
107 PJDLOG_ASSERT(nvp->nvp_list != NULL);
109 return (TAILQ_NEXT(nvp, nvp_next));
113 nvpair_prev(const nvpair_t *nvp)
117 PJDLOG_ASSERT(nvp->nvp_list != NULL);
119 return (TAILQ_PREV(nvp, nvl_head, nvp_next));
123 nvpair_insert(struct nvl_head *head, nvpair_t *nvp, nvlist_t *nvl)
127 PJDLOG_ASSERT(nvp->nvp_list == NULL);
128 PJDLOG_ASSERT(!nvlist_exists(nvl, nvpair_name(nvp)));
130 TAILQ_INSERT_TAIL(head, nvp, nvp_next);
135 nvpair_remove(struct nvl_head *head, nvpair_t *nvp, const nvlist_t *nvl)
139 PJDLOG_ASSERT(nvp->nvp_list == nvl);
141 TAILQ_REMOVE(head, nvp, nvp_next);
142 nvp->nvp_list = NULL;
146 nvpair_clone(const nvpair_t *nvp)
155 name = nvpair_name(nvp);
157 switch (nvpair_type(nvp)) {
159 newnvp = nvpair_create_null(name);
162 newnvp = nvpair_create_bool(name, nvpair_get_bool(nvp));
165 newnvp = nvpair_create_number(name, nvpair_get_number(nvp));
168 newnvp = nvpair_create_string(name, nvpair_get_string(nvp));
171 newnvp = nvpair_create_nvlist(name, nvpair_get_nvlist(nvp));
173 case NV_TYPE_DESCRIPTOR:
174 newnvp = nvpair_create_descriptor(name,
175 nvpair_get_descriptor(nvp));
178 data = nvpair_get_binary(nvp, &datasize);
179 newnvp = nvpair_create_binary(name, data, datasize);
182 PJDLOG_ABORT("Unknown type: %d.", nvpair_type(nvp));
189 nvpair_header_size(void)
192 return (sizeof(struct nvpair_header));
196 nvpair_size(const nvpair_t *nvp)
201 return (nvp->nvp_datasize);
204 static unsigned char *
205 nvpair_pack_header(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp)
207 struct nvpair_header nvphdr;
212 nvphdr.nvph_type = nvp->nvp_type;
213 namesize = strlen(nvp->nvp_name) + 1;
214 PJDLOG_ASSERT(namesize > 0 && namesize <= UINT16_MAX);
215 nvphdr.nvph_namesize = namesize;
216 nvphdr.nvph_datasize = nvp->nvp_datasize;
217 PJDLOG_ASSERT(*leftp >= sizeof(nvphdr));
218 memcpy(ptr, &nvphdr, sizeof(nvphdr));
219 ptr += sizeof(nvphdr);
220 *leftp -= sizeof(nvphdr);
222 PJDLOG_ASSERT(*leftp >= namesize);
223 memcpy(ptr, nvp->nvp_name, namesize);
230 static unsigned char *
231 nvpair_pack_null(const nvpair_t *nvp, unsigned char *ptr,
232 size_t *leftp __unused)
236 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NULL);
241 static unsigned char *
242 nvpair_pack_bool(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp)
247 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BOOL);
249 value = (uint8_t)nvp->nvp_data;
251 PJDLOG_ASSERT(*leftp >= sizeof(value));
252 memcpy(ptr, &value, sizeof(value));
253 ptr += sizeof(value);
254 *leftp -= sizeof(value);
259 static unsigned char *
260 nvpair_pack_number(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp)
265 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NUMBER);
267 value = (uint64_t)nvp->nvp_data;
269 PJDLOG_ASSERT(*leftp >= sizeof(value));
270 memcpy(ptr, &value, sizeof(value));
271 ptr += sizeof(value);
272 *leftp -= sizeof(value);
277 static unsigned char *
278 nvpair_pack_string(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp)
282 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_STRING);
284 PJDLOG_ASSERT(*leftp >= nvp->nvp_datasize);
285 memcpy(ptr, (const void *)(intptr_t)nvp->nvp_data, nvp->nvp_datasize);
286 ptr += nvp->nvp_datasize;
287 *leftp -= nvp->nvp_datasize;
292 static unsigned char *
293 nvpair_pack_nvlist(const nvpair_t *nvp, unsigned char *ptr, int64_t *fdidxp,
300 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NVLIST);
302 if (nvp->nvp_datasize == 0)
305 data = nvlist_xpack((const nvlist_t *)(intptr_t)nvp->nvp_data, fdidxp,
310 PJDLOG_ASSERT(size == nvp->nvp_datasize);
311 PJDLOG_ASSERT(*leftp >= nvp->nvp_datasize);
313 memcpy(ptr, data, nvp->nvp_datasize);
316 ptr += nvp->nvp_datasize;
317 *leftp -= nvp->nvp_datasize;
322 static unsigned char *
323 nvpair_pack_descriptor(const nvpair_t *nvp, unsigned char *ptr, int64_t *fdidxp,
329 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_DESCRIPTOR);
331 value = (int64_t)nvp->nvp_data;
334 * If there is a real descriptor here, we change its number
335 * to position in the array of descriptors send via control
338 PJDLOG_ASSERT(fdidxp != NULL);
344 PJDLOG_ASSERT(*leftp >= sizeof(value));
345 memcpy(ptr, &value, sizeof(value));
346 ptr += sizeof(value);
347 *leftp -= sizeof(value);
352 static unsigned char *
353 nvpair_pack_binary(const nvpair_t *nvp, unsigned char *ptr, size_t *leftp)
357 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BINARY);
359 PJDLOG_ASSERT(*leftp >= nvp->nvp_datasize);
360 memcpy(ptr, (const void *)(intptr_t)nvp->nvp_data, nvp->nvp_datasize);
361 ptr += nvp->nvp_datasize;
362 *leftp -= nvp->nvp_datasize;
368 nvpair_pack(nvpair_t *nvp, unsigned char *ptr, int64_t *fdidxp, size_t *leftp)
374 * We have to update datasize for NV_TYPE_NVLIST on every pack,
375 * so that proper datasize is placed into nvpair_header
376 * during the nvpair_pack_header() call below.
378 if (nvp->nvp_type == NV_TYPE_NVLIST) {
379 if (nvp->nvp_data == 0) {
380 nvp->nvp_datasize = 0;
383 nvlist_size((const nvlist_t *)(intptr_t)nvp->nvp_data);
387 ptr = nvpair_pack_header(nvp, ptr, leftp);
391 switch (nvp->nvp_type) {
393 ptr = nvpair_pack_null(nvp, ptr, leftp);
396 ptr = nvpair_pack_bool(nvp, ptr, leftp);
399 ptr = nvpair_pack_number(nvp, ptr, leftp);
402 ptr = nvpair_pack_string(nvp, ptr, leftp);
405 ptr = nvpair_pack_nvlist(nvp, ptr, fdidxp, leftp);
407 case NV_TYPE_DESCRIPTOR:
408 ptr = nvpair_pack_descriptor(nvp, ptr, fdidxp, leftp);
411 ptr = nvpair_pack_binary(nvp, ptr, leftp);
414 PJDLOG_ABORT("Invalid type (%d).", nvp->nvp_type);
420 static const unsigned char *
421 nvpair_unpack_header(int flags, nvpair_t *nvp, const unsigned char *ptr,
424 struct nvpair_header nvphdr;
426 if (*leftp < sizeof(nvphdr))
429 memcpy(&nvphdr, ptr, sizeof(nvphdr));
430 ptr += sizeof(nvphdr);
431 *leftp -= sizeof(nvphdr);
433 #if NV_TYPE_FIRST > 0
434 if (nvphdr.nvph_type < NV_TYPE_FIRST)
437 if (nvphdr.nvph_type > NV_TYPE_LAST)
440 #if BYTE_ORDER == BIG_ENDIAN
441 if ((flags & NV_FLAG_BIG_ENDIAN) == 0) {
442 nvphdr.nvph_namesize = le16toh(nvphdr.nvph_namesize);
443 nvphdr.nvph_datasize = le64toh(nvphdr.nvph_datasize);
446 if ((flags & NV_FLAG_BIG_ENDIAN) != 0) {
447 nvphdr.nvph_namesize = be16toh(nvphdr.nvph_namesize);
448 nvphdr.nvph_datasize = be64toh(nvphdr.nvph_datasize);
452 if (nvphdr.nvph_namesize > NV_NAME_MAX)
454 if (*leftp < nvphdr.nvph_namesize)
456 if (nvphdr.nvph_namesize < 1)
458 if (strnlen((const char *)ptr, nvphdr.nvph_namesize) !=
459 (size_t)(nvphdr.nvph_namesize - 1)) {
463 memcpy(nvp->nvp_name, ptr, nvphdr.nvph_namesize);
464 ptr += nvphdr.nvph_namesize;
465 *leftp -= nvphdr.nvph_namesize;
467 if (*leftp < nvphdr.nvph_datasize)
470 nvp->nvp_type = nvphdr.nvph_type;
472 nvp->nvp_datasize = nvphdr.nvph_datasize;
480 static const unsigned char *
481 nvpair_unpack_null(int flags __unused, nvpair_t *nvp, const unsigned char *ptr,
482 size_t *leftp __unused)
485 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NULL);
487 if (nvp->nvp_datasize != 0) {
495 static const unsigned char *
496 nvpair_unpack_bool(int flags __unused, nvpair_t *nvp, const unsigned char *ptr,
501 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BOOL);
503 if (nvp->nvp_datasize != sizeof(value)) {
507 if (*leftp < sizeof(value)) {
512 memcpy(&value, ptr, sizeof(value));
513 ptr += sizeof(value);
514 *leftp -= sizeof(value);
516 if (value != 0 && value != 1) {
521 nvp->nvp_data = (uint64_t)value;
526 static const unsigned char *
527 nvpair_unpack_number(int flags, nvpair_t *nvp, const unsigned char *ptr,
531 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NUMBER);
533 if (nvp->nvp_datasize != sizeof(uint64_t)) {
537 if (*leftp < sizeof(uint64_t)) {
542 if ((flags & NV_FLAG_BIG_ENDIAN) != 0)
543 nvp->nvp_data = be64dec(ptr);
545 nvp->nvp_data = le64dec(ptr);
546 ptr += sizeof(uint64_t);
547 *leftp -= sizeof(uint64_t);
552 static const unsigned char *
553 nvpair_unpack_string(int flags __unused, nvpair_t *nvp,
554 const unsigned char *ptr, size_t *leftp)
557 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_STRING);
559 if (*leftp < nvp->nvp_datasize || nvp->nvp_datasize == 0) {
564 if (strnlen((const char *)ptr, nvp->nvp_datasize) !=
565 nvp->nvp_datasize - 1) {
570 nvp->nvp_data = (uint64_t)(uintptr_t)strdup((const char *)ptr);
571 if (nvp->nvp_data == 0)
574 ptr += nvp->nvp_datasize;
575 *leftp -= nvp->nvp_datasize;
580 static const unsigned char *
581 nvpair_unpack_nvlist(int flags __unused, nvpair_t *nvp,
582 const unsigned char *ptr, size_t *leftp, const int *fds, size_t nfds)
586 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NVLIST);
588 if (*leftp < nvp->nvp_datasize || nvp->nvp_datasize == 0) {
593 value = nvlist_xunpack(ptr, nvp->nvp_datasize, fds, nfds);
597 nvp->nvp_data = (uint64_t)(uintptr_t)value;
599 ptr += nvp->nvp_datasize;
600 *leftp -= nvp->nvp_datasize;
605 static const unsigned char *
606 nvpair_unpack_descriptor(int flags, nvpair_t *nvp, const unsigned char *ptr,
607 size_t *leftp, const int *fds, size_t nfds)
611 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_DESCRIPTOR);
613 if (nvp->nvp_datasize != sizeof(idx)) {
617 if (*leftp < sizeof(idx)) {
622 if ((flags & NV_FLAG_BIG_ENDIAN) != 0)
632 if ((size_t)idx >= nfds) {
637 nvp->nvp_data = (uint64_t)fds[idx];
640 *leftp -= sizeof(idx);
645 static const unsigned char *
646 nvpair_unpack_binary(int flags __unused, nvpair_t *nvp,
647 const unsigned char *ptr, size_t *leftp)
651 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BINARY);
653 if (*leftp < nvp->nvp_datasize || nvp->nvp_datasize == 0) {
658 value = malloc(nvp->nvp_datasize);
662 memcpy(value, ptr, nvp->nvp_datasize);
663 ptr += nvp->nvp_datasize;
664 *leftp -= nvp->nvp_datasize;
666 nvp->nvp_data = (uint64_t)(uintptr_t)value;
671 const unsigned char *
672 nvpair_unpack(int flags, const unsigned char *ptr, size_t *leftp,
673 const int *fds, size_t nfds, nvpair_t **nvpp)
677 nvp = calloc(1, sizeof(*nvp) + NV_NAME_MAX);
680 nvp->nvp_name = (char *)(nvp + 1);
682 ptr = nvpair_unpack_header(flags, nvp, ptr, leftp);
685 tmp = realloc(nvp, sizeof(*nvp) + strlen(nvp->nvp_name) + 1);
689 /* Update nvp_name after realloc(). */
690 nvp->nvp_name = (char *)(nvp + 1);
692 switch (nvp->nvp_type) {
694 ptr = nvpair_unpack_null(flags, nvp, ptr, leftp);
697 ptr = nvpair_unpack_bool(flags, nvp, ptr, leftp);
700 ptr = nvpair_unpack_number(flags, nvp, ptr, leftp);
703 ptr = nvpair_unpack_string(flags, nvp, ptr, leftp);
706 ptr = nvpair_unpack_nvlist(flags, nvp, ptr, leftp, fds,
709 case NV_TYPE_DESCRIPTOR:
710 ptr = nvpair_unpack_descriptor(flags, nvp, ptr, leftp, fds,
714 ptr = nvpair_unpack_binary(flags, nvp, ptr, leftp);
717 PJDLOG_ABORT("Invalid type (%d).", nvp->nvp_type);
723 nvp->nvp_magic = NVPAIR_MAGIC;
732 nvpair_type(const nvpair_t *nvp)
737 return (nvp->nvp_type);
741 nvpair_name(const nvpair_t *nvp)
746 return (nvp->nvp_name);
750 nvpair_allocv(int type, uint64_t data, size_t datasize, const char *namefmt,
757 PJDLOG_ASSERT(type >= NV_TYPE_FIRST && type <= NV_TYPE_LAST);
759 namelen = vasprintf(&name, namefmt, nameap);
763 PJDLOG_ASSERT(namelen > 0);
764 if (namelen >= NV_NAME_MAX) {
766 errno = ENAMETOOLONG;
770 nvp = calloc(1, sizeof(*nvp) + namelen + 1);
772 nvp->nvp_name = (char *)(nvp + 1);
773 memcpy(nvp->nvp_name, name, namelen + 1);
774 nvp->nvp_type = type;
775 nvp->nvp_data = data;
776 nvp->nvp_datasize = datasize;
777 nvp->nvp_magic = NVPAIR_MAGIC;
785 nvpair_create_null(const char *name)
788 return (nvpair_createf_null("%s", name));
792 nvpair_create_bool(const char *name, bool value)
795 return (nvpair_createf_bool(value, "%s", name));
799 nvpair_create_number(const char *name, uint64_t value)
802 return (nvpair_createf_number(value, "%s", name));
806 nvpair_create_string(const char *name, const char *value)
809 return (nvpair_createf_string(value, "%s", name));
813 nvpair_create_stringf(const char *name, const char *valuefmt, ...)
818 va_start(valueap, valuefmt);
819 nvp = nvpair_create_stringv(name, valuefmt, valueap);
826 nvpair_create_stringv(const char *name, const char *valuefmt, va_list valueap)
832 len = vasprintf(&str, valuefmt, valueap);
835 nvp = nvpair_create_string(name, str);
842 nvpair_create_nvlist(const char *name, const nvlist_t *value)
845 return (nvpair_createf_nvlist(value, "%s", name));
849 nvpair_create_descriptor(const char *name, int value)
852 return (nvpair_createf_descriptor(value, "%s", name));
856 nvpair_create_binary(const char *name, const void *value, size_t size)
859 return (nvpair_createf_binary(value, size, "%s", name));
863 nvpair_createf_null(const char *namefmt, ...)
868 va_start(nameap, namefmt);
869 nvp = nvpair_createv_null(namefmt, nameap);
876 nvpair_createf_bool(bool value, const char *namefmt, ...)
881 va_start(nameap, namefmt);
882 nvp = nvpair_createv_bool(value, namefmt, nameap);
889 nvpair_createf_number(uint64_t value, const char *namefmt, ...)
894 va_start(nameap, namefmt);
895 nvp = nvpair_createv_number(value, namefmt, nameap);
902 nvpair_createf_string(const char *value, const char *namefmt, ...)
907 va_start(nameap, namefmt);
908 nvp = nvpair_createv_string(value, namefmt, nameap);
915 nvpair_createf_nvlist(const nvlist_t *value, const char *namefmt, ...)
920 va_start(nameap, namefmt);
921 nvp = nvpair_createv_nvlist(value, namefmt, nameap);
928 nvpair_createf_descriptor(int value, const char *namefmt, ...)
933 va_start(nameap, namefmt);
934 nvp = nvpair_createv_descriptor(value, namefmt, nameap);
941 nvpair_createf_binary(const void *value, size_t size, const char *namefmt, ...)
946 va_start(nameap, namefmt);
947 nvp = nvpair_createv_binary(value, size, namefmt, nameap);
954 nvpair_createv_null(const char *namefmt, va_list nameap)
957 return (nvpair_allocv(NV_TYPE_NULL, 0, 0, namefmt, nameap));
961 nvpair_createv_bool(bool value, const char *namefmt, va_list nameap)
964 return (nvpair_allocv(NV_TYPE_BOOL, value ? 1 : 0, sizeof(uint8_t),
969 nvpair_createv_number(uint64_t value, const char *namefmt, va_list nameap)
972 return (nvpair_allocv(NV_TYPE_NUMBER, value, sizeof(value), namefmt,
977 nvpair_createv_string(const char *value, const char *namefmt, va_list nameap)
988 data = strdup(value);
991 size = strlen(value) + 1;
993 nvp = nvpair_allocv(NV_TYPE_STRING, (uint64_t)(uintptr_t)data, size,
1002 nvpair_createv_nvlist(const nvlist_t *value, const char *namefmt,
1008 if (value == NULL) {
1013 nvl = nvlist_clone(value);
1017 nvp = nvpair_allocv(NV_TYPE_NVLIST, (uint64_t)(uintptr_t)nvl, 0,
1020 nvlist_destroy(nvl);
1026 nvpair_createv_descriptor(int value, const char *namefmt, va_list nameap)
1030 if (value < 0 || !fd_is_valid(value)) {
1035 value = fcntl(value, F_DUPFD_CLOEXEC, 0);
1039 nvp = nvpair_allocv(NV_TYPE_DESCRIPTOR, (uint64_t)value,
1040 sizeof(int64_t), namefmt, nameap);
1048 nvpair_createv_binary(const void *value, size_t size, const char *namefmt,
1054 if (value == NULL || size == 0) {
1059 data = malloc(size);
1062 memcpy(data, value, size);
1064 nvp = nvpair_allocv(NV_TYPE_BINARY, (uint64_t)(uintptr_t)data, size,
1073 nvpair_move_string(const char *name, char *value)
1076 return (nvpair_movef_string(value, "%s", name));
1080 nvpair_move_nvlist(const char *name, nvlist_t *value)
1083 return (nvpair_movef_nvlist(value, "%s", name));
1087 nvpair_move_descriptor(const char *name, int value)
1090 return (nvpair_movef_descriptor(value, "%s", name));
1094 nvpair_move_binary(const char *name, void *value, size_t size)
1097 return (nvpair_movef_binary(value, size, "%s", name));
1101 nvpair_movef_string(char *value, const char *namefmt, ...)
1106 va_start(nameap, namefmt);
1107 nvp = nvpair_movev_string(value, namefmt, nameap);
1114 nvpair_movef_nvlist(nvlist_t *value, const char *namefmt, ...)
1119 va_start(nameap, namefmt);
1120 nvp = nvpair_movev_nvlist(value, namefmt, nameap);
1127 nvpair_movef_descriptor(int value, const char *namefmt, ...)
1132 va_start(nameap, namefmt);
1133 nvp = nvpair_movev_descriptor(value, namefmt, nameap);
1140 nvpair_movef_binary(void *value, size_t size, const char *namefmt, ...)
1145 va_start(nameap, namefmt);
1146 nvp = nvpair_movev_binary(value, size, namefmt, nameap);
1153 nvpair_movev_string(char *value, const char *namefmt, va_list nameap)
1157 if (value == NULL) {
1162 nvp = nvpair_allocv(NV_TYPE_STRING, (uint64_t)(uintptr_t)value,
1163 strlen(value) + 1, namefmt, nameap);
1171 nvpair_movev_nvlist(nvlist_t *value, const char *namefmt, va_list nameap)
1175 if (value == NULL) {
1180 nvp = nvpair_allocv(NV_TYPE_NVLIST, (uint64_t)(uintptr_t)value, 0,
1183 nvlist_destroy(value);
1189 nvpair_movev_descriptor(int value, const char *namefmt, va_list nameap)
1192 if (value < 0 || !fd_is_valid(value)) {
1197 return (nvpair_allocv(NV_TYPE_DESCRIPTOR, (uint64_t)value,
1198 sizeof(int64_t), namefmt, nameap));
1202 nvpair_movev_binary(void *value, size_t size, const char *namefmt,
1206 if (value == NULL || size == 0) {
1211 return (nvpair_allocv(NV_TYPE_BINARY, (uint64_t)(uintptr_t)value, size,
1216 nvpair_get_bool(const nvpair_t *nvp)
1221 return (nvp->nvp_data == 1);
1225 nvpair_get_number(const nvpair_t *nvp)
1230 return (nvp->nvp_data);
1234 nvpair_get_string(const nvpair_t *nvp)
1238 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_STRING);
1240 return ((const char *)(intptr_t)nvp->nvp_data);
1244 nvpair_get_nvlist(const nvpair_t *nvp)
1248 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_NVLIST);
1250 return ((const nvlist_t *)(intptr_t)nvp->nvp_data);
1254 nvpair_get_descriptor(const nvpair_t *nvp)
1258 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_DESCRIPTOR);
1260 return ((int)nvp->nvp_data);
1264 nvpair_get_binary(const nvpair_t *nvp, size_t *sizep)
1268 PJDLOG_ASSERT(nvp->nvp_type == NV_TYPE_BINARY);
1271 *sizep = nvp->nvp_datasize;
1272 return ((const void *)(intptr_t)nvp->nvp_data);
1276 nvpair_free(nvpair_t *nvp)
1280 PJDLOG_ASSERT(nvp->nvp_list == NULL);
1283 switch (nvp->nvp_type) {
1284 case NV_TYPE_DESCRIPTOR:
1285 close((int)nvp->nvp_data);
1287 case NV_TYPE_NVLIST:
1288 nvlist_destroy((nvlist_t *)(intptr_t)nvp->nvp_data);
1290 case NV_TYPE_STRING:
1291 free((char *)(intptr_t)nvp->nvp_data);
1293 case NV_TYPE_BINARY:
1294 free((void *)(intptr_t)nvp->nvp_data);
1301 nvpair_free_structure(nvpair_t *nvp)
1305 PJDLOG_ASSERT(nvp->nvp_list == NULL);
1312 nvpair_type_string(int type)
1320 case NV_TYPE_NUMBER:
1322 case NV_TYPE_STRING:
1324 case NV_TYPE_NVLIST:
1326 case NV_TYPE_DESCRIPTOR:
1327 return ("DESCRIPTOR");
1328 case NV_TYPE_BINARY:
1331 return ("<UNKNOWN>");