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Diffstat (limited to 'lib/bind9/include/bind9/getaddresses.h')
-rw-r--r-- | lib/bind9/include/bind9/getaddresses.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/bind9/include/bind9/getaddresses.h b/lib/bind9/include/bind9/getaddresses.h new file mode 100644 index 0000000..2904257 --- /dev/null +++ b/lib/bind9/include/bind9/getaddresses.h @@ -0,0 +1,51 @@ +/* + * 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. + */ + +#pragma once + +/*! \file bind9/getaddresses.h */ + +#include <isc/lang.h> +#include <isc/net.h> +#include <isc/types.h> + +ISC_LANG_BEGINDECLS + +isc_result_t +bind9_getaddresses(const char *hostname, in_port_t port, isc_sockaddr_t *addrs, + int addrsize, int *addrcount); +/*%< + * Use the system resolver to get the addresses associated with a hostname. + * If successful, the number of addresses found is returned in 'addrcount'. + * If a hostname lookup is performed and addresses of an unknown family is + * seen, it is ignored. If more than 'addrsize' addresses are seen, the + * first 'addrsize' are returned and the remainder silently truncated. + * + * This routine may block. If called by a program using the isc_app + * framework, it should be surrounded by isc_app_block()/isc_app_unblock(). + * + * Requires: + *\li 'hostname' is not NULL. + *\li 'addrs' is not NULL. + *\li 'addrsize' > 0 + *\li 'addrcount' is not NULL. + * + * + * Returns: + *\li #ISC_R_SUCCESS + *\li #ISC_R_NOTFOUND + *\li #ISC_R_FAMILYNOSUPPORT - 'hostname' is an IPv6 address, and IPv6 is + * not supported. + */ + +ISC_LANG_ENDDECLS |