/* $NetBSD: serial.c,v 1.1.4.2 2024/02/29 11:39:02 martin Exp $ */ /* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * SPDX-License-Identifier: MPL-2.0 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ /*! \file */ #include #include #include bool isc_serial_lt(uint32_t a, uint32_t b) { /* * Undefined => false */ if (a == (b ^ 0x80000000U)) { return (false); } return (((int32_t)(a - b) < 0) ? true : false); } bool isc_serial_gt(uint32_t a, uint32_t b) { return (((int32_t)(a - b) > 0) ? true : false); } bool isc_serial_le(uint32_t a, uint32_t b) { return ((a == b) ? true : isc_serial_lt(a, b)); } bool isc_serial_ge(uint32_t a, uint32_t b) { return ((a == b) ? true : isc_serial_gt(a, b)); } bool isc_serial_eq(uint32_t a, uint32_t b) { return ((a == b) ? true : false); } bool isc_serial_ne(uint32_t a, uint32_t b) { return ((a != b) ? true : false); }