static void
bf_link_free_block(Allctr_t *allctr, Block_t *block)
{
BFAllctr_t *bfallctr = (BFAllctr_t *) allctr;
RBTree_t **root = &bfallctr->mbc_root;
RBTree_t *blk = (RBTree_t *) block;
Uint blk_sz = BF_BLK_SZ(blk);
SET_TREE_NODE(blk);
blk->flags = 0;
blk->left = NULL;
blk->right = NULL;
if (!*root) {
blk->parent = NULL;
SET_BLACK(blk);
*root = blk;
}
else {
RBTree_t *x = *root;
while (1) {
Uint size;
size = BF_BLK_SZ(x);
if (blk_sz == size) {
SET_LIST_ELEM(blk);
LIST_NEXT(blk) = LIST_NEXT(x);
LIST_PREV(blk) = x;
if (LIST_NEXT(x))
LIST_PREV(LIST_NEXT(x)) = blk;
LIST_NEXT(x) = blk;
return; /* Finnished */
}
else if (blk_sz < size) {
if (!x->left) {
blk->parent = x;
x->left = blk;
break;
}
x = x->left;
}
else {
if (!x->right) {
blk->parent = x;
x->right = blk;
break;
}
x = x->right;
}
}
RBT_ASSERT(blk->parent);
SET_RED(blk);
if (IS_RED(blk->parent))
tree_insert_fixup(root, blk);
}
SET_TREE_NODE(blk);
LIST_NEXT(blk) = NULL;
#ifdef HARD_DEBUG
check_tree(root, 0, 0);
#endif
}
static void
rbt_insert(enum AOFFSortOrder order, AOFF_RBTree_t** root, AOFF_RBTree_t* blk)
{
Uint blk_sz = AOFF_BLK_SZ(blk);
#ifdef DEBUG
blk->flags = (order == FF_BF) ? IS_BF_FLG : 0;
#else
blk->flags = 0;
#endif
blk->left = NULL;
blk->right = NULL;
blk->max_sz = blk_sz;
if (!*root) {
blk->parent = NULL;
SET_BLACK(blk);
*root = blk;
}
else {
AOFF_RBTree_t *x = *root;
while (1) {
SWord diff;
if (x->max_sz < blk_sz) {
x->max_sz = blk_sz;
}
diff = cmp_blocks(order, blk, x);
if (diff < 0) {
if (!x->left) {
blk->parent = x;
x->left = blk;
break;
}
x = x->left;
}
else if (diff > 0) {
if (!x->right) {
blk->parent = x;
x->right = blk;
break;
}
x = x->right;
}
else {
ASSERT(order == FF_BF);
ASSERT(blk->flags & IS_BF_FLG);
ASSERT(x->flags & IS_BF_FLG);
SET_LIST_ELEM(blk);
LIST_NEXT(blk) = LIST_NEXT(x);
LIST_PREV(blk) = x;
if (LIST_NEXT(x))
LIST_PREV(LIST_NEXT(x)) = blk;
LIST_NEXT(x) = blk;
return;
}
}
/* Insert block into size tree */
RBT_ASSERT(blk->parent);
SET_RED(blk);
if (IS_RED(blk->parent))
tree_insert_fixup(root, blk);
}
if (order == FF_BF) {
SET_TREE_NODE(blk);
LIST_NEXT(blk) = NULL;
}
}