dbwrap: add dbwrap_purge[_bystring]

Variants of dbrwap_delete[_bysrting] that treats NOT FOUND
as success.

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

2 files changed, 19 insertions, 0 deletions

diff --git a/lib/dbwrap/dbwrap.h b/lib/dbwrap/dbwrap.h
index 5e13a595db2..2eded049c1a 100644
--- a/lib/dbwrap/dbwrap.h
+++ b/lib/dbwrap/dbwrap.h
@@ -94,6 +94,8 @@ const char *dbwrap_name(struct db_context *db);
 
 /* The following definitions come from lib/dbwrap_util.c  */
 
+NTSTATUS dbwrap_purge(struct db_context *db, TDB_DATA key);
+NTSTATUS dbwrap_purge_bystring(struct db_context *db, const char *key);
 NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
 NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
 			       TDB_DATA data, int flags);
diff --git a/lib/dbwrap/dbwrap_util.c b/lib/dbwrap/dbwrap_util.c
index 5118fb788f3..22f910de992 100644
--- a/lib/dbwrap/dbwrap_util.c
+++ b/lib/dbwrap/dbwrap_util.c
@@ -528,6 +528,23 @@ NTSTATUS dbwrap_trans_traverse(struct db_context *db,
 	return dbwrap_trans_do(db, dbwrap_trans_traverse_action, &ctx);
 }
 
+NTSTATUS dbwrap_purge(struct db_context *db, TDB_DATA key)
+{
+	NTSTATUS status;
+
+	status = dbwrap_delete(db, key);
+	if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
+		status = NT_STATUS_OK;
+	}
+
+	return status;
+}
+
+NTSTATUS dbwrap_purge_bystring(struct db_context *db, const char *key)
+{
+	return dbwrap_purge(db, string_term_tdb_data(key));
+}
+
 NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key)
 {
 	return dbwrap_delete(db, string_term_tdb_data(key));