mirror of
https://gitlab.isc.org/isc-projects/bind9
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99b4f01b33
Reintroduce logic to apply diffs when the number of pending tuples is above 128. The previous strategy of accumulating all the tuples and pushing them at the end leads to excessive memory consumption during transfer. This effectively reverts half of e3892805d6
42 lines
981 B
C
42 lines
981 B
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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/*! \file */
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#include <stdlib.h>
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#include <string.h>
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#include <isc/region.h>
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#include <isc/util.h>
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int
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isc_region_compare(isc_region_t *r1, isc_region_t *r2) {
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unsigned int l;
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int result;
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REQUIRE(r1 != NULL);
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REQUIRE(r2 != NULL);
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REQUIRE(r1->base != NULL);
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REQUIRE(r2->base != NULL);
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l = (r1->length < r2->length) ? r1->length : r2->length;
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if ((result = memcmp(r1->base, r2->base, l)) != 0) {
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return (result < 0) ? -1 : 1;
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} else {
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return (r1->length == r2->length) ? 0
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: (r1->length < r2->length) ? -1
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: 1;
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}
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}
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