s3-ldb: update the old ldb in s3 to use new DLIST macros

(cherry picked from commit a7d8bfd373392eecf4fff33d39b85e1b55ad901d)

2 files changed, 4 insertions, 30 deletions

diff --git a/source3/lib/ldb/ldb_tdb/ldb_tdb_wrap.c b/source3/lib/ldb/ldb_tdb/ldb_tdb_wrap.c
index 2fff74d59a..64463f7c91 100644
--- a/source3/lib/ldb/ldb_tdb/ldb_tdb_wrap.c
+++ b/source3/lib/ldb/ldb_tdb/ldb_tdb_wrap.c
@@ -45,15 +45,7 @@ static struct ltdb_wrap *tdb_list;
 static int ltdb_wrap_destructor(struct ltdb_wrap *w)
 {
 	tdb_close(w->tdb);
-	if (w->next) {
-		w->next->prev = w->prev;
-	}
-	if (w->prev) {
-		w->prev->next = w->next;
-	}
-	if (w == tdb_list) {
-		tdb_list = w->next;
-	}
+	DLIST_REMOVE(tdb_list, w);
 	return 0;
 }				 
 
@@ -142,12 +134,7 @@ struct tdb_context *ltdb_wrap_open(TALLOC_CTX *mem_ctx,
 
 	talloc_set_destructor(w, ltdb_wrap_destructor);
 
-	w->next = tdb_list;
-	w->prev = NULL;
-	if (tdb_list) {
-		tdb_list->prev = w;
-	}
-	tdb_list = w;
+	DLIST_ADD(tdb_list, w);
 	
 	return w->tdb;
 }
diff --git a/source3/lib/ldb/modules/paged_results.c b/source3/lib/ldb/modules/paged_results.c
index 63f9ee6752..e16b710413 100644
--- a/source3/lib/ldb/modules/paged_results.c
+++ b/source3/lib/ldb/modules/paged_results.c
@@ -78,17 +78,7 @@ int store_destructor(struct results_store *store);
 
 int store_destructor(struct results_store *store)
 {
-	if (store->prev) {
-		store->prev->next = store->next;
-	}
-	if (store->next) {
-		store->next->prev = store->prev;
-	}
-
-	if (store == store->priv->store) {
-		store->priv->store = NULL;
-	}
-
+	DLIST_REMOVE(store->priv->store, store);
 	return 0;
 }
 
@@ -120,10 +110,7 @@ static struct results_store *new_store(struct private_data *priv)
 	newr->controls = NULL;
 
 	/* put this entry as first */
-	newr->prev = NULL;
-	newr->next = priv->store;
-	if (priv->store != NULL) priv->store->prev = newr;
-	priv->store = newr;
+	DLIST_ADD(priv->store, newr);
 
 	talloc_set_destructor(newr, store_destructor);