void ctw_update_context(ContextTree *tree) {
if (tree->history->size < tree->depth) {
perror("Not enough history to update context\n");
}
ctw_list_free(tree->context);
tree->context = ctw_list_create();
ctw_list_push(tree->context, tree->root);
ContextTreeNode *node = tree->root;
uint64_t update_depth = 1;
uint64_t i;
for (i = 0; i < tree->history->size; i++) {
bool symbol = bv_test(tree->history, tree->history->size - i - 1);
if (symbol && node->one_child != NULL) {
node = node->one_child;
} else if (!symbol && node->zero_child != NULL) {
node = node->zero_child;
} else {
ContextTreeNode *new_node = ctw_node_create();
if (symbol) {
node->one_child = new_node;
} else {
node->zero_child = new_node;
}
node = new_node;
}
ctw_list_push(tree->context, node);
update_depth += 1;
if (update_depth > tree->depth) {
break;
}
}
}
int acl_set_create(const unsigned int set)
{
journal_ftrace(__func__);
/*
* acl set 0 is a special set initialized by acl_set_init()
*/
if (set > 0 && !bv_test(set, set_states, ACLSETSIZ)) {
// sanitize
journal_notice("---------failure is normal---------\n");
mem_fun.set_destroy(set);
journal_notice("-----------------------------------\n");
if (mem_fun.set_create(set)) {
// XXX - log_notice_msg does not work here ? */
journal_notice("%s %u :: %s:%i\n",
"unable to initialize acl set",
set, __FILE__, __LINE__);
return 1;
}
bv_set(set, set_states, ACLSETSIZ);
}
return 0;
}
void ctw_update_vector(ContextTree *tree, BitVector *symbols) {
uint64_t i;
for (i = 0; i < symbols->size; i++) {
bool symbol = bv_test(symbols, i);
ctw_update_symbol(tree, symbol);
}
}
void acl_fini()
{
journal_ftrace(__func__);
unsigned int i;
for (i = 1; i < ACLSETSIZ; ++i)
if (bv_test(i, set_states, ACLSETSIZ))
mem_fun.set_destroy(i);
mem_fun.set_fini();
}
