License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
-#define _XOPEN_SOURCE 500
-#define _FILE_OFFSET_BITS 64
+#include "config.h"
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <utime.h>
#include <unistd.h>
-#include "config.h"
#include <ccan/tdb2/tdb2.h>
#include <ccan/likely/likely.h>
#include <ccan/compiler/compiler.h>
#define TDB_OFF_HASH_EXTRA_BIT 57
#define TDB_OFF_UPPER_STEAL_SUBHASH_BIT 56
+/* Additional features we understand. Currently: none. */
+#define TDB_FEATURE_MASK ((uint64_t)0)
+
/* The bit number where we store the extra hash bits. */
/* Convenience mask to get actual offset. */
#define TDB_OFF_MASK \
tdb_off_t free_table; /* (First) free table. */
tdb_off_t recovery; /* Transaction recovery area. */
- tdb_off_t reserved[26];
+ uint64_t features_used; /* Features all writers understand */
+ uint64_t features_offered; /* Features offered */
+
+ tdb_off_t reserved[24];
/* Top level hash table. */
tdb_off_t hashtable[1ULL << TDB_TOPLEVEL_HASH_BITS];
tdb_off_t bucket_off(tdb_off_t ftable_off, unsigned bucket);
/* Used by tdb_summary */
-size_t dead_space(struct tdb_context *tdb, tdb_off_t off);
+tdb_off_t dead_space(struct tdb_context *tdb, tdb_off_t off);
/* io.c: */
/* Initialize tdb->methods. */
enum TDB_ERROR tdb_lock_and_recover(struct tdb_context *tdb);
/* transaction.c: */
-int tdb_transaction_recover(struct tdb_context *tdb);
-bool tdb_needs_recovery(struct tdb_context *tdb);
+enum TDB_ERROR tdb_transaction_recover(struct tdb_context *tdb);
+tdb_bool_err tdb_needs_recovery(struct tdb_context *tdb);
/* tdb.c: */
enum TDB_ERROR COLD tdb_logerr(struct tdb_context *tdb,