ldns_rr_descriptor, ldns_rr_descript, ldns_rr_descriptor_minimum, ldns_rr_descriptor_maximum,
Contents
Copyright
Copyright (c) 2004 - 2006 NLnet Labs.
Licensed under the BSD License. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Description
ldns_rr_descriptor
Contains all information about resource record types.
This structure contains, for all rr types, the rdata fields that are defined.
struct ldns_struct_rr_descriptor
{
TypeoftheRRthatisdescribedhere:
ldns_rr_type _type;
TextualnameoftheRRtype.:
const char *_name;
MinimumnumberofrdatafieldsintheRRsofthistype.:
uint8_t _minimum;
MaximumnumberofrdatafieldsintheRRsofthistype.:
uint8_t _maximum;
Wireformatspecificationfortherr,i.e.thetypesofrdatafieldsintheirrespectiveorder.:
const ldns_rdf_type *_wireformat;
Specialrdftypes:
ldns_rdf_type _variable;
SpecifieswhethercompressioncanbeusedfordnamesinthisRRtype.:
ldns_rr_compress _compress;
ThenumberofDNAMEsinthe_wireformatstring,forparsing.:
uint8_t _dname_count;
};
typedef struct ldns_struct_rr_descriptor ldns_rr_descriptor;
ldns_rr_descript() returns the resource record descriptor for the given rr type.
type: the type value of the rr type
Returns the ldns_rr_descriptor for this type
ldns_rr_descriptor_minimum() returns the minimum number of rdata fields of the rr type this descriptor
describes.
descriptor: for an rr type
Returns the minimum number of rdata fields
ldns_rr_descriptor_maximum() returns the maximum number of rdata fields of the rr type this descriptor
describes.
descriptor: for an rr type
Returns the maximum number of rdata fields
ldns_rr_descriptor_field_type() returns the rdf type for the given rdata field number of the rr type for
the given descriptor.
descriptor: for an rr type
field: the field number
Returns the rdf type for the field
Name
ldns_rr_descriptor, ldns_rr_descript, ldns_rr_descriptor_minimum, ldns_rr_descriptor_maximum,
ldns_rr_descriptor_field_type - rdata field descriptors
Remarks
This manpage was automatically generated from the ldns source code.
30 May 2006 ldns(3)
Reporting Bugs
Please report bugs to dns-team@nlnetlabs.nl or on GitHub at https://github.com/NLnetLabs/ldns/issues
See Also
ldns_rr, ldns_rdf. And perldocNet::DNS, RFC1034, RFC1035, RFC4033, RFC4034 and RFC4035.
Synopsis
#include <stdint.h>
#include <stdbool.h>
#include <ldns/ldns.h>
const ldns_rr_descriptor* ldns_rr_descript(uint16_t type);
size_t ldns_rr_descriptor_minimum(const ldns_rr_descriptor *descriptor);
size_t ldns_rr_descriptor_maximum(const ldns_rr_descriptor *descriptor);
ldns_rdf_type ldns_rr_descriptor_field_type(const ldns_rr_descriptor *descriptor, size_t field);
