41 lines
981 B
C
41 lines
981 B
C
/*
|
|
* 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);
|
|
REQUIRE(r1->base != NULL);
|
|
REQUIRE(r2->base != 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;
|
|
}
|
|
}
|