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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.
*/
#include <isc/mem.h>
#include <isc/util.h>
#include <isc/xml.h>
#ifdef HAVE_LIBXML2
#include <libxml/parser.h>
#include <libxml/xmlversion.h>
#ifndef LIBXML_HAS_DEPRECATED_MEMORY_ALLOCATION_FUNCTIONS
static isc_mem_t *isc__xml_mctx = NULL;
static void *
isc__xml_malloc(size_t size) {
return isc_mem_allocate(isc__xml_mctx, size);
}
static void *
isc__xml_realloc(void *ptr, size_t size) {
return isc_mem_reallocate(isc__xml_mctx, ptr, size);
}
static char *
isc__xml_strdup(const char *str) {
return isc_mem_strdup(isc__xml_mctx, str);
}
static void
isc__xml_free(void *ptr) {
if (ptr == NULL) {
return;
}
isc_mem_free(isc__xml_mctx, ptr);
}
#endif /* !LIBXML_HAS_DEPRECATED_MEMORY_ALLOCATION_FUNCTIONS) */
#endif /* HAVE_LIBXML2 */
void
isc__xml_initialize(void) {
#ifdef HAVE_LIBXML2
#ifndef LIBXML_HAS_DEPRECATED_MEMORY_ALLOCATION_FUNCTIONS
isc_mem_create(&isc__xml_mctx);
isc_mem_setname(isc__xml_mctx, "libxml2");
isc_mem_setdestroycheck(isc__xml_mctx, false);
RUNTIME_CHECK(xmlMemSetup(isc__xml_free, isc__xml_malloc,
isc__xml_realloc, isc__xml_strdup) == 0);
#endif /* !LIBXML_HAS_DEPRECATED_MEMORY_ALLOCATION_FUNCTIONS */
xmlInitParser();
#endif /* HAVE_LIBXML2 */
}
void
isc__xml_shutdown(void) {
#ifdef HAVE_LIBXML2
xmlCleanupParser();
#ifndef LIBXML_HAS_DEPRECATED_MEMORY_ALLOCATION_FUNCTIONS
isc_mem_destroy(&isc__xml_mctx);
#endif /* !LIBXML_HAS_DEPRECATED_MEMORY_ALLOCATION_FUNCTIONS */
#endif /* HAVE_LIBXML2 */
}
void
isc__xml_setdestroycheck(bool check ISC_ATTR_UNUSED) {
#ifdef HAVE_LIBXML2
#ifndef LIBXML_HAS_DEPRECATED_MEMORY_ALLOCATION_FUNCTIONS
isc_mem_setdestroycheck(isc__xml_mctx, check);
#endif /* LIBXML_HAS_DEPRECATED_MEMORY_ALLOCATION_FUNCTIONS */
#endif /* HAVE_LIBXML2 */
}
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