/* $NetBSD: region.c,v 1.5 2022/09/23 12:15:33 christos 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 <stdlib.h> #include <string.h> #include <isc/region.h> #include <isc/util.h> int isc_region_compare(isc_region_t *r1, isc_region_t *r2) { unsigned int l; int result; REQUIRE(r1 != NULL); REQUIRE(r2 != NULL); l = (r1->length < r2->length) ? r1->length : r2->length; if ((result = memcmp(r1->base, r2->base, l)) != 0) { return ((result < 0) ? -1 : 1); } else { return ((r1->length == r2->length) ? 0 : (r1->length < r2->length) ? -1 : 1); } } |