Add a warning for a potential bug I've run into

(This used to be commit 223352e32372f1b055298cfc6f2770043a845e3d)

2 files changed, 6 insertions, 0 deletions

diff --git a/source3/lib/tdb/common/traverse.c b/source3/lib/tdb/common/traverse.c
index 6fc576a55a..27b2cfc54a 100644
--- a/source3/lib/tdb/common/traverse.c
+++ b/source3/lib/tdb/common/traverse.c
@@ -223,6 +223,9 @@ int tdb_traverse_read(struct tdb_context *tdb,
 /*
   a write style traverse - needs to get the transaction lock to
   prevent deadlocks
+
+  WARNING: The data buffer given to the callback fn does NOT meet the
+  alignment restrictions malloc gives you.
 */
 int tdb_traverse(struct tdb_context *tdb, 
 		 tdb_traverse_func fn, void *private_data)
diff --git a/source3/lib/tdb/docs/README b/source3/lib/tdb/docs/README
index b31ce36ab1..63fcf5e049 100644
--- a/source3/lib/tdb/docs/README
+++ b/source3/lib/tdb/docs/README
@@ -130,6 +130,9 @@ int tdb_traverse(TDB_CONTEXT *tdb, int (*fn)(TDB_CONTEXT *tdb,
    a non-zero return value from fn() indicates that the traversal
    should stop. Traversal callbacks may not start transactions.
 
+   WARNING: The data buffer given to the callback fn does NOT meet the
+   alignment restrictions malloc gives you.
+
 ----------------------------------------------------------------------
 int tdb_traverse_read(TDB_CONTEXT *tdb, int (*fn)(TDB_CONTEXT *tdb,
                      TDB_DATA key, TDB_DATA dbuf, void *state), void *state);