1 files changed, 66 insertions, 0 deletions
diff --git a/source3/lib/dbwrap/dbwrap.c b/source3/lib/dbwrap/dbwrap.c
new file mode 100644
index 00000000000..6a6d4c64e57
--- /dev/null
+++ b/source3/lib/dbwrap/dbwrap.c
@@ -0,0 +1,66 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Database interface wrapper
+   Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2006
+
+   Major code contributions from Aleksey Fedoseev (fedoseev@ru.ibm.com)
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_private.h"
+
+/*
+ * Fall back using fetch_locked if no genuine fetch operation is provided
+ */
+
+int dbwrap_fallback_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
+			  TDB_DATA key, TDB_DATA *data)
+{
+	struct db_record *rec;
+
+	if (!(rec = db->fetch_locked(db, mem_ctx, key))) {
+		return -1;
+	}
+
+	data->dsize = rec->value.dsize;
+	data->dptr = talloc_move(mem_ctx, &rec->value.dptr);
+	TALLOC_FREE(rec);
+	return 0;
+}
+
+/*
+ * Fall back using fetch if no genuine parse operation is provided
+ */
+
+int dbwrap_fallback_parse_record(struct db_context *db, TDB_DATA key,
+				 int (*parser)(TDB_DATA key,
+					       TDB_DATA data,
+					       void *private_data),
+				 void *private_data)
+{
+	TDB_DATA data;
+	int res;
+
+	res = db->fetch(db, talloc_tos(), key, &data);
+	if (res != 0) {
+		return res;
+	}
+
+	res = parser(key, data, private_data);
+	TALLOC_FREE(data.dptr);
+	return res;
+}