store, frontend: Added support for matching NULL attributes.

[sysdb.git] / src / include / core / store.h

diff --git a/src/include/core/store.h b/src/include/core/store.h
index aa28c96d1be99c57806dd79965ccc38ccf3ae2ce..7a9dc44bbc887cd00583675ed841d8c9c70ec30f 100644 (file)
--- a/src/include/core/store.h
+++ b/src/include/core/store.h
@@ -209,6 +209,13 @@ sdb_store_name_matcher(int type, const char *name, _Bool re);
 sdb_store_matcher_t *
 sdb_store_attr_matcher(const char *name, const char *value, _Bool re);
 
+/*
+ * sdb_store_isnull_matcher:
+ * Creates a matcher matching "missing" attributes.
+ */
+sdb_store_matcher_t *
+sdb_store_isnull_matcher(const char *attr_name);
+
 /*
  * sdb_store_lt_matcher, sdb_store_le_matcher, sdb_store_eq_matcher,
  * sdb_store_ge_matcher, sdb_store_gt_matcher: