1 /* Authors: Jason Tang <jtang (at) tresys.com> 2 * 3 * Copyright (C) 2005 Tresys Technology, LLC 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 #include <sepol/policydb/policydb.h> 21 #include <sepol/policydb/constraint.h> 22 #include <sepol/policydb/expand.h> 23 #include <sepol/policydb/flask_types.h> 24 25 #include <assert.h> 26 #include <stdlib.h> 27 28 int constraint_expr_init(constraint_expr_t * expr) 29 { 30 memset(expr, 0, sizeof(*expr)); 31 ebitmap_init(&expr->names); 32 if ((expr->type_names = malloc(sizeof(*expr->type_names))) == NULL) { 33 return -1; 34 } 35 type_set_init(expr->type_names); 36 return 0; 37 } 38 39 void constraint_expr_destroy(constraint_expr_t * expr) 40 { 41 if (expr != NULL) { 42 ebitmap_destroy(&expr->names); 43 type_set_destroy(expr->type_names); 44 free(expr->type_names); 45 free(expr); 46 } 47 } 48