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diff --git a/source4/lib/ldb/include/ldb_parse.h b/source4/lib/ldb/include/ldb_parse.h
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+/*
+ ldb database library
+
+ Copyright (C) Andrew Tridgell 2004
+
+ ** NOTE! The following LGPL license applies to the ldb
+ ** library. This does NOT imply that all of Samba is released
+ ** under the LGPL
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+/*
+ * Name: ldb
+ *
+ * Component: ldb expression parse header
+ *
+ * Description: structure for expression parsing
+ *
+ * Author: Andrew Tridgell
+ */
+
+
+enum ldb_parse_op {LDB_OP_SIMPLE, LDB_OP_AND, LDB_OP_OR, LDB_OP_NOT};
+
+struct ldb_parse_tree {
+ enum ldb_parse_op operation;
+ union {
+ struct {
+ char *attr;
+ struct ldb_val value;
+ } simple;
+ struct {
+ unsigned int num_elements;
+ struct ldb_parse_tree **elements;
+ } list;
+ struct {
+ struct ldb_parse_tree *child;
+ } not;
+ } u;
+};