src/libs6dns/s6dns_message_parse_answer_srv.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

/* ISC license. */

#include <errno.h>
#include <skalibs/error.h>
#include <skalibs/genalloc.h>
#include <s6-dns/s6dns-constants.h>
#include <s6-dns/s6dns-message.h>

int s6dns_message_parse_answer_srv (s6dns_message_rr_t const *rr, char const *packet, unsigned int packetlen, unsigned int pos, unsigned int section, void *stuff)
{
  if ((section == 2) && (rr->rtype == S6DNS_T_SRV))
  {
    genalloc *data = stuff ;
    s6dns_message_rr_srv_t srv ;
    unsigned int start = pos ;
    if (!s6dns_message_get_srv(&srv, packet, packetlen, &pos)) return 0 ;
    if (rr->rdlength != pos - start) return (errno = EPROTO, 0) ;
    if (!genalloc_append(s6dns_message_rr_srv_t, data, &srv)) return -1 ;
  }
  return 1 ;
}