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/* ISC license. */
/* OpenBSD sucks. In other news, the sky is blue. */
#ifndef _BSD_SOURCE
#define _BSD_SOURCE
#endif
#include <errno.h>
#include <skalibs/uint16.h>
#include <skalibs/error.h>
#include <skalibs/gensetdyn.h>
#include <skalibs/textclient.h>
#include <s6-dns/skadns.h>
int skadns_cancel (skadns_t *a, uint16_t id, tain const *deadline, tain *stamp)
{
int e = errno ;
char pack[3] = "--q" ;
skadnsanswer_t *p = GENSETDYN_P(skadnsanswer_t, &a->q, id) ;
if (!error_isagain(p->status)) return skadns_release(a, id) ;
uint16_pack_big(pack, id) ;
if (textclient_command(&a->connection, pack, 3, deadline, stamp))
return gensetdyn_delete(&a->q, id) ;
if (errno != ENOENT) return 0 ;
p->status = ECANCELED ;
errno = e ;
return 1 ;
}
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