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/*
* 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);
}
}
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