1 files changed, 47 insertions, 0 deletions
diff --git a/libsepol/src/constraint.c b/libsepol/src/constraint.c
new file mode 100644
index 00000000..71540195
--- /dev/null
+++ b/libsepol/src/constraint.c
@@ -0,0 +1,47 @@
+/* Authors: Jason Tang <jtang@tresys.com>
+ *
+ * Copyright (C) 2005 Tresys Technology, LLC
+ *
+ *  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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <sepol/policydb/policydb.h>
+#include <sepol/policydb/constraint.h>
+#include <sepol/policydb/expand.h>
+#include <sepol/policydb/flask_types.h>
+
+#include <assert.h>
+#include <stdlib.h>
+
+int constraint_expr_init(constraint_expr_t * expr)
+{
+	memset(expr, 0, sizeof(*expr));
+	ebitmap_init(&expr->names);
+	if ((expr->type_names = malloc(sizeof(*expr->type_names))) == NULL) {
+		return -1;
+	}
+	type_set_init(expr->type_names);
+	return 0;
+}
+
+void constraint_expr_destroy(constraint_expr_t * expr)
+{
+	if (expr != NULL) {
+		ebitmap_destroy(&expr->names);
+		type_set_destroy(expr->type_names);
+		free(expr->type_names);
+		free(expr);
+	}
+}