ovsdb: Add support for "enum" constraints.

Some of the uses for the formerly supported regular expression constraints
were simply to limit values to those in a set of allowed values.
This commit adds support for that kind of simple enumeration constraint.

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/ovsdb-data.h b/lib/ovsdb-data.h
index 063536b22..a5c49f974 100644
--- a/lib/ovsdb-data.h
+++ b/lib/ovsdb-data.h
@@ -122,7 +122,12 @@ void ovsdb_datum_swap(struct ovsdb_datum *, struct ovsdb_datum *);
 
 /* Checking and maintaining invariants. */
 struct ovsdb_error *ovsdb_datum_sort(struct ovsdb_datum *,
-                                     const struct ovsdb_type *);
+                                     enum ovsdb_atomic_type key_type)
+    WARN_UNUSED_RESULT;
+
+void ovsdb_datum_sort_assert(struct ovsdb_datum *,
+                             enum ovsdb_atomic_type key_type);
+
 struct ovsdb_error *ovsdb_datum_check_constraints(
     const struct ovsdb_datum *, const struct ovsdb_type *)
     WARN_UNUSED_RESULT;