Function bdblib_get_table

modules/db_berkeley/bdb_lib.c:419–481

* look thru a linked list for the table. if dne, create a new one * and add to the list */

 * and add to the list
*/
tbl_cache_p bdblib_get_table(database_p _db, str *_s)
{
	tbl_cache_p _tbc = NULL;
	table_p _tp = NULL;

	if(!_db || !_s || !_s->s || _s->len<=0)
		return NULL;

	if(!_db->dbenv)
	{
		return NULL;
	}

	_tbc = _db->tables;
	while(_tbc)
	{
		if(_tbc->dtp)
		{

			if(_tbc->dtp->name.len == _s->len
				&& !strncasecmp(_tbc->dtp->name.s, _s->s, _s->len ))
			{
				return _tbc;
			}
		}
		_tbc = _tbc->next;
	}

	_tbc = (tbl_cache_p)pkg_malloc(sizeof(tbl_cache_t));
	if(!_tbc)
		return NULL;

	if(!lock_init(&_tbc->sem))
	{
		pkg_free(_tbc);
		return NULL;
	}

	_tp = bdblib_create_table(_db, _s);

#ifdef BDB_EXTRA_DEBUG
	LM_DBG("table: %.*s\n", _s->len, _s->s);
#endif

	if(!_tp)
	{
		LM_ERR("failed to create table.\n");
		pkg_free(_tbc);
		return NULL;
	}

	lock_get(&_tbc->sem);
	_tbc->dtp = _tp;

	if(_db->tables)
		(_db->tables)->prev = _tbc;

	_tbc->next = _db->tables;