tdb: put example hashes into header, so we notice incorrect hash_fn.

[obnox/samba-ctdb.git] / lib / tdb / common / tdb_private.h

diff --git a/lib/tdb/common/tdb_private.h b/lib/tdb/common/tdb_private.h
index 562b813ff115c4002a16c771ca6ed1172322b074..92a2a302f0ddd8ad0c646dd362885c4649d9c355 100644 (file)
--- a/lib/tdb/common/tdb_private.h
+++ b/lib/tdb/common/tdb_private.h
@@ -114,7 +114,9 @@ struct tdb_header {
        tdb_off_t rwlocks; /* obsolete - kept to detect old formats */
        tdb_off_t recovery_start; /* offset of transaction recovery region */
        tdb_off_t sequence_number; /* used when TDB_SEQNUM is set */
-       tdb_off_t reserved[29];
+       uint32_t magic1_hash; /* hash of TDB_MAGIC_FOOD. */
+       uint32_t magic2_hash; /* hash of TDB_MAGIC. */
+       tdb_off_t reserved[27];
 };
 
 struct tdb_lock_type {
@@ -209,5 +211,5 @@ void tdb_io_init(struct tdb_context *tdb);
 int tdb_expand(struct tdb_context *tdb, tdb_off_t size);
 int tdb_rec_free_read(struct tdb_context *tdb, tdb_off_t off,
                      struct list_struct *rec);
-
-
+void tdb_header_hash(struct tdb_context *tdb,
+                    uint32_t *magic1_hash, uint32_t *magic2_hash);