/**
* Delete the given string from the table. Return TRUE if
* this caused a count to go to 0, return FALSE otherwise.
*/
static bool delete_from_cms_table(multiset_table *cmt, const char * str)
{
Cms * cms = lookup_in_cms_table(cmt, str);
if (cms != NULL && cms->count > 0)
{
cms->count--;
return (cms->count == 0);
}
return false;
}
/** Mark bad trigger connectors for later deletion by power_prune().
*/
static bool mark_bad_connectors(multiset_table *cmt, Connector *c)
{
if (c->nearest_word == BAD_WORD)
return true; /* Already marked (mainly by connector memory-sharing). */
Cms *cms = lookup_in_cms_table(cmt, c);
if (cms->c->nearest_word == BAD_WORD)
{
c->nearest_word = BAD_WORD;
return true;;
}
return false;
}
static void insert_in_cms_table(multiset_table *cmt, const char * str)
{
Cms * cms;
unsigned int h;
cms = lookup_in_cms_table(cmt, str);
if (cms != NULL) {
cms->count++;
} else {
cms = (Cms *) xalloc(sizeof(Cms));
cms->name = str; /* don't copy the string...just keep a pointer to it.
we won't free these later */
cms->count = 1;
h = cms_hash(str);
cms->next = cmt->cms_table[h];
cmt->cms_table[h] = cms;
}
}
