nvpair_t *
nvlist_prev_nvpair(const nvlist_t *nvl, const nvpair_t *nvp)
{
nvpair_t *retnvp;
NVLIST_ASSERT(nvl);
NVPAIR_ASSERT(nvp);
PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
retnvp = nvpair_prev(nvp);
PJDLOG_ASSERT(nvpair_nvlist(retnvp) == nvl);
return (retnvp);
}
nvpair_t *
nvlist_next_nvpair(const nvlist_t *nvl, const nvpair_t *nvp)
{
nvpair_t *retnvp;
NVLIST_ASSERT(nvl);
NVPAIR_ASSERT(nvp);
PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
retnvp = nvpair_next(nvp);
PJDLOG_ASSERT(retnvp == NULL || nvpair_nvlist(retnvp) == nvl);
return (retnvp);
}
void
nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp)
{
NVLIST_ASSERT(nvl);
NVPAIR_ASSERT(nvp);
PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
nvpair_remove(&nvl->nvl_head, nvp, nvl);
}
void
nvlist_free_nvpair(nvlist_t *nvl, nvpair_t *nvp)
{
NVLIST_ASSERT(nvl);
NVPAIR_ASSERT(nvp);
PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
nvlist_remove_nvpair(nvl, nvp);
nvpair_free(nvp);
}
const nvlist_t *
nvlist_get_parent(const nvlist_t *nvl, void **cookiep)
{
nvpair_t *nvp;
NVLIST_ASSERT(nvl);
nvp = nvl->nvl_parent;
if (cookiep != NULL)
*cookiep = nvp;
if (nvp == NULL)
return (NULL);
return (nvpair_nvlist(nvp));
}
void
nvlist_move_nvpair(nvlist_t *nvl, nvpair_t *nvp)
{
NVPAIR_ASSERT(nvp);
PJDLOG_ASSERT(nvpair_nvlist(nvp) == NULL);
if (nvlist_error(nvl) != 0) {
nvpair_free(nvp);
errno = nvlist_error(nvl);
return;
}
if (nvlist_exists(nvl, nvpair_name(nvp))) {
nvpair_free(nvp);
nvl->nvl_error = errno = EEXIST;
return;
}
nvpair_insert(&nvl->nvl_head, nvp, nvl);
}
void
nvlist_move_nvpair(nvlist_t *nvl, nvpair_t *nvp)
{
NVPAIR_ASSERT(nvp);
PJDLOG_ASSERT(nvpair_nvlist(nvp) == NULL);
if (nvlist_error(nvl) != 0) {
nvpair_free(nvp);
ERRNO_SET(nvlist_error(nvl));
return;
}
if ((nvl->nvl_flags & NV_FLAG_NO_UNIQUE) == 0) {
if (nvlist_exists(nvl, nvpair_name(nvp))) {
nvpair_free(nvp);
nvl->nvl_error = EEXIST;
ERRNO_SET(nvl->nvl_error);
return;
}
}
nvpair_insert(&nvl->nvl_head, nvp, nvl);
}
static nvlist_t *
nvlist_xunpack(const void *buf, size_t size, const int *fds, size_t nfds,
int flags)
{
const unsigned char *ptr;
nvlist_t *nvl, *retnvl, *tmpnvl;
nvpair_t *nvp;
size_t left;
bool isbe;
PJDLOG_ASSERT((flags & ~(NV_FLAG_PUBLIC_MASK)) == 0);
left = size;
ptr = buf;
tmpnvl = NULL;
nvl = retnvl = nvlist_create(0);
if (nvl == NULL)
goto failed;
ptr = nvlist_unpack_header(nvl, ptr, nfds, &isbe, &left);
if (ptr == NULL)
goto failed;
if (nvl->nvl_flags != flags) {
ERRNO_SET(EILSEQ);
goto failed;
}
while (left > 0) {
ptr = nvpair_unpack(isbe, ptr, &left, &nvp);
if (ptr == NULL)
goto failed;
switch (nvpair_type(nvp)) {
case NV_TYPE_NULL:
ptr = nvpair_unpack_null(isbe, nvp, ptr, &left);
break;
case NV_TYPE_BOOL:
ptr = nvpair_unpack_bool(isbe, nvp, ptr, &left);
break;
case NV_TYPE_NUMBER:
ptr = nvpair_unpack_number(isbe, nvp, ptr, &left);
break;
case NV_TYPE_STRING:
ptr = nvpair_unpack_string(isbe, nvp, ptr, &left);
break;
case NV_TYPE_NVLIST:
ptr = nvpair_unpack_nvlist(isbe, nvp, ptr, &left, nfds,
&tmpnvl);
nvlist_set_parent(tmpnvl, nvp);
break;
#ifndef _KERNEL
case NV_TYPE_DESCRIPTOR:
ptr = nvpair_unpack_descriptor(isbe, nvp, ptr, &left,
fds, nfds);
break;
#endif
case NV_TYPE_BINARY:
ptr = nvpair_unpack_binary(isbe, nvp, ptr, &left);
break;
case NV_TYPE_NVLIST_UP:
if (nvl->nvl_parent == NULL)
goto failed;
nvl = nvpair_nvlist(nvl->nvl_parent);
nvpair_free_structure(nvp);
continue;
default:
PJDLOG_ABORT("Invalid type (%d).", nvpair_type(nvp));
}
if (ptr == NULL)
goto failed;
nvlist_move_nvpair(nvl, nvp);
if (tmpnvl != NULL) {
nvl = tmpnvl;
tmpnvl = NULL;
}
}
return (retnvl);
failed:
nvlist_destroy(retnvl);
return (NULL);
}