X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Ffree.c;h=e853d97eedce65dc8ae4b52313ac5a12ca2ba80d;hp=d2285567eb0efdf56dfd8d96ec0650845ef403e0;hb=ed81f39468c4d9089310fb4950b09c1f5886c4ef;hpb=812391f15ffd968bd27fb3847dbb63c72adb5eec

diff --git a/ccan/tdb2/free.c b/ccan/tdb2/free.c
index d2285567..e853d97e 100644
--- a/ccan/tdb2/free.c
+++ b/ccan/tdb2/free.c
@@ -523,6 +523,15 @@ again:
 			goto unlock_err;
 		}
 
+		/* For futureproofing, we put a 0 in any unused space. */
+		if (rec_extra_padding(&rec)) {
+			ecode = tdb->methods->twrite(tdb, best_off + sizeof(rec)
+						     + keylen + datalen, "", 1);
+			if (ecode != TDB_SUCCESS) {
+				goto unlock_err;
+			}
+		}
+
 		/* Bucket of leftover will be <= current bucket, so nested
 		 * locking is allowed. */
 		if (leftover) {