/*
* The function obtains size of the nvlist after nvlist_pack().
*/
size_t
nvlist_size(const nvlist_t *nvl)
{
const nvlist_t *tmpnvl;
const nvpair_t *nvp, *tmpnvp;
void *cookie;
size_t size;
NVLIST_ASSERT(nvl);
PJDLOG_ASSERT(nvl->nvl_error == 0);
size = sizeof(struct nvlist_header);
nvp = nvlist_first_nvpair(nvl);
while (nvp != NULL) {
size += nvpair_header_size();
size += strlen(nvpair_name(nvp)) + 1;
if (nvpair_type(nvp) == NV_TYPE_NVLIST) {
size += sizeof(struct nvlist_header);
size += nvpair_header_size() + 1;
tmpnvl = nvpair_get_nvlist(nvp);
PJDLOG_ASSERT(tmpnvl->nvl_error == 0);
tmpnvp = nvlist_first_nvpair(tmpnvl);
if (tmpnvp != NULL) {
nvl = tmpnvl;
nvp = tmpnvp;
continue;
}
} else {
size += nvpair_size(nvp);
}
while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) {
cookie = NULL;
nvl = nvlist_get_parent(nvl, &cookie);
if (nvl == NULL)
goto out;
nvp = cookie;
}
}
out:
return (size);
}
/*
* The function obtains size of the nvlist after nvlist_pack().
* Additional argument 'level' allows to track how deep are we as we obtain
* size of the NV_TYPE_NVLIST elements using recursion. We allow at most
* three levels of recursion.
*/
static size_t
nvlist_xsize(const nvlist_t *nvl, int level)
{
const nvpair_t *nvp;
size_t size;
NVLIST_ASSERT(nvl);
PJDLOG_ASSERT(nvl->nvl_error == 0);
PJDLOG_ASSERT(level < 3);
size = sizeof(struct nvlist_header);
for (nvp = nvlist_first_nvpair(nvl); nvp != NULL;
nvp = nvlist_next_nvpair(nvl, nvp)) {
size += nvpair_header_size();
size += strlen(nvpair_name(nvp)) + 1;
if (nvpair_type(nvp) == NV_TYPE_NVLIST)
size += nvlist_xsize(nvpair_get_nvlist(nvp), level + 1);
else
size += nvpair_size(nvp);
}
return (size);
}
/*
* The function obtains size of the nvlist after nvlist_pack().
*/
size_t
nvlist_size(const nvlist_t *nvl)
{
const nvlist_t *tmpnvl;
const nvlist_t * const *nvlarray;
const nvpair_t *nvp, *tmpnvp;
void *cookie;
size_t size, nitems;
unsigned int ii;
NVLIST_ASSERT(nvl);
PJDLOG_ASSERT(nvl->nvl_error == 0);
size = sizeof(struct nvlist_header);
nvp = nvlist_first_nvpair(nvl);
while (nvp != NULL) {
size += nvpair_header_size();
size += strlen(nvpair_name(nvp)) + 1;
if (nvpair_type(nvp) == NV_TYPE_NVLIST) {
size += sizeof(struct nvlist_header);
size += nvpair_header_size() + 1;
tmpnvl = nvpair_get_nvlist(nvp);
PJDLOG_ASSERT(tmpnvl->nvl_error == 0);
tmpnvp = nvlist_first_nvpair(tmpnvl);
if (tmpnvp != NULL) {
nvl = tmpnvl;
nvp = tmpnvp;
continue;
}
} else if (nvpair_type(nvp) == NV_TYPE_NVLIST_ARRAY) {
nvlarray = nvpair_get_nvlist_array(nvp, &nitems);
PJDLOG_ASSERT(nitems > 0);
size += (nvpair_header_size() + 1) * nitems;
size += sizeof(struct nvlist_header) * nitems;
tmpnvl = NULL;
tmpnvp = NULL;
for (ii = 0; ii < nitems; ii++) {
PJDLOG_ASSERT(nvlarray[ii]->nvl_error == 0);
tmpnvp = nvlist_first_nvpair(nvlarray[ii]);
if (tmpnvp != NULL) {
tmpnvl = nvlarray[ii];
break;
}
}
if (tmpnvp != NULL) {
nvp = tmpnvp;
nvl = tmpnvl;
continue;
}
} else {
size += nvpair_size(nvp);
}
while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) {
do {
cookie = NULL;
nvl = nvlist_get_pararr(nvl, &cookie);
if (nvl == NULL)
goto out;
if (nvlist_in_array(nvl) && cookie == NULL) {
nvp = nvlist_first_nvpair(nvl);
} else {
nvp = cookie;
}
} while (nvp == NULL);
if (nvlist_in_array(nvl) && cookie == NULL)
break;
}
}
out:
return (size);
}