1 /* 2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 14 * PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 /* $Id: isdn_20.c,v 1.13 2020/09/14 08:40:43 florian Exp $ */ 18 19 /* Reviewed: Wed Mar 15 16:53:11 PST 2000 by bwelling */ 20 21 /* RFC1183 */ 22 23 #ifndef RDATA_GENERIC_ISDN_20_C 24 #define RDATA_GENERIC_ISDN_20_C 25 26 static inline isc_result_t 27 totext_isdn(ARGS_TOTEXT) { 28 isc_region_t region; 29 30 REQUIRE(rdata->type == dns_rdatatype_isdn); 31 REQUIRE(rdata->length != 0); 32 33 UNUSED(tctx); 34 35 dns_rdata_toregion(rdata, ®ion); 36 RETERR(txt_totext(®ion, 1, target)); 37 if (region.length == 0) 38 return (ISC_R_SUCCESS); 39 RETERR(isc_str_tobuffer(" ", target)); 40 return (txt_totext(®ion, 1, target)); 41 } 42 43 static inline isc_result_t 44 fromwire_isdn(ARGS_FROMWIRE) { 45 REQUIRE(type == dns_rdatatype_isdn); 46 47 UNUSED(type); 48 UNUSED(dctx); 49 UNUSED(rdclass); 50 UNUSED(options); 51 52 RETERR(txt_fromwire(source, target)); 53 if (buffer_empty(source)) 54 return (ISC_R_SUCCESS); 55 return (txt_fromwire(source, target)); 56 } 57 58 static inline isc_result_t 59 towire_isdn(ARGS_TOWIRE) { 60 UNUSED(cctx); 61 62 REQUIRE(rdata->type == dns_rdatatype_isdn); 63 REQUIRE(rdata->length != 0); 64 65 return (isc_mem_tobuffer(target, rdata->data, rdata->length)); 66 } 67 68 #endif /* RDATA_GENERIC_ISDN_20_C */ 69