From: Stefan Metzmacher <metze@samba.org>
Date: Fri, 10 Sep 2010 04:40:03 +0000 (+0200)
Subject: TODO lib/tdb: use jenkins_hash for non persistent tdbs
X-Git-Url: http://git.samba.org/?a=commitdiff_plain;h=9f09d9bef7877e553d6d7c56eb04cdade311c5e6;p=metze%2Fsamba%2Fwip.git

TODO lib/tdb: use jenkins_hash for non persistent tdbs

metze
---

diff --git a/lib/tdb/common/open.c b/lib/tdb/common/open.c
index ff0fd376017b..97fd5b1cc2f0 100644
--- a/lib/tdb/common/open.c
+++ b/lib/tdb/common/open.c
@@ -44,6 +44,10 @@ static unsigned int default_tdb_hash(TDB_DATA *key)
 	return (1103515243 * value + 12345);  
 }
 
+static unsigned int jenkins_hash(TDB_DATA *key)
+{
+	return hash_any(key->dptr, key->dsize, 0);
+}
 
 /* initialise a new database with a specified hash size */
 static int tdb_new_database(struct tdb_context *tdb, int hash_size)
@@ -190,8 +194,13 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
 		tdb->hash_fn = hash_fn;
 		hash_alg = "user_defined";
 	} else {
-		tdb->hash_fn = default_tdb_hash;
-		hash_alg = "default";
+		if (tdb_flags & TDB_CLEAR_IF_FIRST) {
+			tdb->hash_fn = jenkins_hash;
+			hash_alg = "jenkins";
+		} else {
+			tdb->hash_fn = default_tdb_hash;
+			hash_alg = "default";
+		}
 	}
 
 	/* cache the page size */