/* * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /* $Id: order.h,v 1.9 2007/06/19 23:47:17 tbox Exp $ */ #ifndef DNS_ORDER_H #define DNS_ORDER_H 1 /*! \file dns/order.h */ #include <isc/lang.h> #include <isc/types.h> #include <dns/types.h> ISC_LANG_BEGINDECLS isc_result_t dns_order_create(isc_mem_t *mctx, dns_order_t **orderp); /*%< * Create a order object. * * Requires: * \li 'orderp' to be non NULL and '*orderp == NULL'. *\li 'mctx' to be valid. * * Returns: *\li ISC_R_SUCCESS *\li ISC_R_NOMEMORY */ isc_result_t dns_order_add(dns_order_t *order, dns_name_t *name, dns_rdatatype_t rdtype, dns_rdataclass_t rdclass, unsigned int mode); /*%< * Add a entry to the end of the order list. * * Requires: * \li 'order' to be valid. *\li 'name' to be valid. *\li 'mode' to be one of #DNS_RDATASERATTR_RANDOMIZE, * #DNS_RDATASERATTR_RANDOMIZE or zero (#DNS_RDATASERATTR_CYCLIC). * * Returns: *\li #ISC_R_SUCCESS *\li #ISC_R_NOMEMORY */ unsigned int dns_order_find(dns_order_t *order, dns_name_t *name, dns_rdatatype_t rdtype, dns_rdataclass_t rdclass); /*%< * Find the first matching entry on the list. * * Requires: *\li 'order' to be valid. *\li 'name' to be valid. * * Returns the mode set by dns_order_add() or zero. */ void dns_order_attach(dns_order_t *source, dns_order_t **target); /*%< * Attach to the 'source' object. * * Requires: * \li 'source' to be valid. *\li 'target' to be non NULL and '*target == NULL'. */ void dns_order_detach(dns_order_t **orderp); /*%< * Detach from the object. Clean up if last this was the last * reference. * * Requires: *\li '*orderp' to be valid. */ ISC_LANG_ENDDECLS #endif /* DNS_ORDER_H */