/* * OpenVPN -- An application to securely tunnel IP networks * over a single UDP port, with support for SSL/TLS-based * session authentication and key exchange, * packet encryption, packet authentication, and * packet compression. * * Copyright (C) 2002-2018 OpenVPN Inc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef BASIC_H #define BASIC_H #define BOOL_CAST(x) ((x) ? (true) : (false)) /* size of an array */ #define SIZE(x) (sizeof(x)/sizeof(x[0])) /* clear an object (may be optimized away, use secure_memzero() to erase secrets) */ #define CLEAR(x) memset(&(x), 0, sizeof(x)) #define IPV4_NETMASK_HOST 0xffffffffU #endif