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authorRusty Russell <rusty@rustcorp.com.au>2009-10-22 00:10:34 +1030
committerRusty Russell <rusty@rustcorp.com.au>2009-10-22 00:10:34 +1030
commit022b4d4aa6861c1e3e6d76484d92555221cb6d14 (patch)
tree013e042b1fd5bbd91899d5314d98b033a25b9845 /lib/tdb/docs
parent0fc6800005ffb532a5e5699c97f13f1de138d51f (diff)
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lib/tdb: add tdb_check()
ctdb wants a quick way to detect corrupt tdbs; particularly, tdbs with loops in their hash chains. tdb_check() provides this. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'lib/tdb/docs')
-rw-r--r--lib/tdb/docs/README11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/tdb/docs/README b/lib/tdb/docs/README
index 454e4ba032..4eb809fdf4 100644
--- a/lib/tdb/docs/README
+++ b/lib/tdb/docs/README
@@ -244,3 +244,14 @@ int tdb_transaction_prepare_commit(TDB_CONTEXT *tdb)
tdb_transaction_commit() or tdb_transaction_cancel(). Preparing
allocates disk space for the pending updates, so a subsequent
commit should succeed (barring any hardware failures).
+
+----------------------------------------------------------------------
+int tdb_check(TDB_CONTEXT *tdb,
+ int (*check)(TDB_DATA key, TDB_DATA data, void *private_data),
+ void *private_data);)
+
+ check the consistency of the database, calling back the check function
+ (if non-NULL) with each record. If some consistency check fails, or
+ the supplied check function returns -1, tdb_check returns -1, otherwise
+ 0. Note that logging function (if set) will be called with additional
+ information on the corruption found.