tdb: implement tdb_summary.

[ccan] / ccan / tdb / tdb.h

diff --git a/ccan/tdb/tdb.h b/ccan/tdb/tdb.h
index 020cf050b803cd02db67d7d34aaa7cd8e042da33..070f09b4e19075e05f7bdfebff634d93fddcc89d 100644 (file)
--- a/ccan/tdb/tdb.h
+++ b/ccan/tdb/tdb.h
@@ -65,6 +65,9 @@ enum TDB_ERROR {TDB_SUCCESS=0, TDB_ERR_CORRUPT, TDB_ERR_IO, TDB_ERR_LOCK,
                TDB_ERR_NOEXIST, TDB_ERR_EINVAL, TDB_ERR_RDONLY,
                TDB_ERR_NESTING};
 
+/* flags for tdb_summary. Logical or to combine. */
+enum tdb_summary_flags { TDB_SUMMARY_HISTOGRAMS = 1 };
+
 /* debugging uses one of the following levels */
 enum tdb_debug_level {TDB_DEBUG_FATAL = 0, TDB_DEBUG_ERROR, 
                      TDB_DEBUG_WARNING, TDB_DEBUG_TRACE};
@@ -175,6 +178,7 @@ void tdb_dump_all(struct tdb_context *tdb);
 int tdb_printfreelist(struct tdb_context *tdb);
 int tdb_validate_freelist(struct tdb_context *tdb, int *pnum_entries);
 int tdb_freelist_size(struct tdb_context *tdb);
+char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags);
 
 extern TDB_DATA tdb_null;