License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "private.h"
+#include <ccan/hash/hash.h>
#include <assert.h>
+/* Default hash function. */
+uint64_t tdb_jenkins_hash(const void *key, size_t length, uint64_t seed,
+ void *unused)
+{
+ uint64_t ret;
+ /* hash64_stable assumes lower bits are more important; they are a
+ * slightly better hash. We use the upper bits first, so swap them. */
+ ret = hash64_stable((const unsigned char *)key, length, seed);
+ return (ret >> 32) | (ret << 32);
+}
+
uint64_t tdb_hash(struct tdb_context *tdb, const void *ptr, size_t len)
{
return tdb->hash_fn(ptr, len, tdb->hash_seed, tdb->hash_data);