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ldns(3) Library Functions Manual ldns(3)


ldns_pkt_set_flags, ldns_pkt_set_id, ldns_pkt_set_qr, ldns_pkt_set_aa, ldns_pkt_set_tc, ldns_pkt_set_rd, ldns_pkt_set_cd, ldns_pkt_set_ra, ldns_pkt_set_ad, ldns_pkt_set_opcode, ldns_pkt_set_rcode, ldns_pkt_set_qdcount, ldns_pkt_set_ancount, ldns_pkt_set_nscount, ldns_pkt_set_arcount, ldns_pkt_set_answerfrom, ldns_pkt_set_querytime, ldns_pkt_set_size, ldns_pkt_set_section_count, ldns_pkt_set_tsig - set ldns_pkt attributes


#include <stdint.h>
#include <stdbool.h>

#include <ldns/ldns.h>

bool ldns_pkt_set_flags(ldns_pkt *pkt, uint16_t flags);

void ldns_pkt_set_id(ldns_pkt *p, uint16_t id);

void ldns_pkt_set_qr(ldns_pkt *p, bool b);

void ldns_pkt_set_aa(ldns_pkt *p, bool b);

void ldns_pkt_set_tc(ldns_pkt *p, bool b);

void ldns_pkt_set_rd(ldns_pkt *p, bool b);

void ldns_pkt_set_cd(ldns_pkt *p, bool b);

void ldns_pkt_set_ra(ldns_pkt *p, bool b);

void ldns_pkt_set_ad(ldns_pkt *p, bool b);

void ldns_pkt_set_opcode(ldns_pkt *p, ldns_pkt_opcode c);

void ldns_pkt_set_rcode(ldns_pkt *p, uint8_t c);

void ldns_pkt_set_qdcount(ldns_pkt *p, uint16_t c);

void ldns_pkt_set_ancount(ldns_pkt *p, uint16_t c);

void ldns_pkt_set_nscount(ldns_pkt *p, uint16_t c);

void ldns_pkt_set_arcount(ldns_pkt *p, uint16_t c);

void ldns_pkt_set_answerfrom(ldns_pkt *p, ldns_rdf *r);

void ldns_pkt_set_querytime(ldns_pkt *p, uint32_t t);

void ldns_pkt_set_size(ldns_pkt *p, size_t s);

void ldns_pkt_set_section_count(ldns_pkt *p, ldns_pkt_section s, uint16_t x);

void ldns_pkt_set_tsig(ldns_pkt *p, ldns_rr *t);


ldns_pkt_set_flags() sets the flags in a packet.
pkt: the packet to operate on
flags: ORed values: LDNS_QR| LDNS_AR for instance
Returns true on success otherwise false

ldns_pkt_set_id() Set the packet's id
p: the packet
id: the id to set

ldns_pkt_set_qr() Set the packet's qr bit
p: the packet
b: the value to set (boolean)

ldns_pkt_set_aa() Set the packet's aa bit
p: the packet
b: the value to set (boolean)

ldns_pkt_set_tc() Set the packet's tc bit
p: the packet
b: the value to set (boolean)

ldns_pkt_set_rd() Set the packet's rd bit
p: the packet
b: the value to set (boolean)

ldns_pkt_set_cd() Set the packet's cd bit
p: the packet
b: the value to set (boolean)

ldns_pkt_set_ra() Set the packet's ra bit
p: the packet
b: the value to set (boolean)

ldns_pkt_set_ad() Set the packet's ad bit
p: the packet
b: the value to set (boolean)

ldns_pkt_set_opcode() Set the packet's opcode
p: the packet
c: the opcode

ldns_pkt_set_rcode() Set the packet's response code
p: the packet
c: the rcode

ldns_pkt_set_qdcount() Set the packet's qd count
p: the packet
c: the count

ldns_pkt_set_ancount() Set the packet's an count
p: the packet
c: the count

ldns_pkt_set_nscount() Set the packet's ns count
p: the packet
c: the count

ldns_pkt_set_arcount() Set the packet's arcount
p: the packet
c: the count

ldns_pkt_set_answerfrom() Set the packet's answering server
p: the packet
r: the address

ldns_pkt_set_querytime() Set the packet's query time
p: the packet
t: the querytime in msec

ldns_pkt_set_size() Set the packet's size
p: the packet
s: the size

ldns_pkt_set_section_count() Set a packet's section count to x
p: the packet
s: the section
x: the section count

ldns_pkt_set_tsig() Set the packet's tsig rr
p: the packet
t: the tsig rr


The ldns team at NLnet Labs.


Please report bugs to or in our bugzilla at


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.


ldns_pkt. And perldoc Net::DNS, RFC1034, RFC1035, RFC4033, RFC4034 and RFC4035.


This manpage was automatically generated from the ldns source code.

30 May 2006