3 #include "adns-internal.h"
5 static adns_query allocquery(adns_state ads, const char *owner, int ol,
6 int qml, int id, adns_rrtype type,
7 adns_queryflags flags, void *context) {
11 qu= malloc(sizeof(*qu)+ol+1+qml); if (!qu) return 0;
12 qu->next= qu->back= qu->parent= 0;
13 qu->children.head= qu->children.tail= 0;
14 qu->siblings.next= qu->siblings.back= 0;
21 qu->sentudp= qu->senttcp= 0;
23 memcpy(qu->owner,owner,ol); qu->owner[ol]= 0;
24 qu->querymsg= qm= qu->owner+ol+1;
25 memcpy(qm,ads->qbuf,qml);
30 static int failsubmit(adns_state ads, void *context, adns_query *query_r,
31 adns_rrtype type, adns_queryflags flags,
32 int id, adns_status stat) {
35 qu= allocquery(ads,0,0,0,id,type,flags,context); if (!qu) return errno;
36 query_fail(ads,qu,stat);
41 int adns_submit(adns_state ads,
44 adns_queryflags flags,
46 adns_query *query_r) {
53 r= gettimeofday(&now,0); if (r) return errno;
56 if (ol<=1 || ol>MAXDNAME+1)
57 return failsubmit(ads,context,query_r,type,flags,id,adns_s_invaliddomain);
58 if (owner[ol-1]=='.' && owner[ol-2]!='\\') { flags &= ~adns_f_search; ol--; }
60 stat= adns__mkquery(ads,owner,ol,id,type,flags,&qml);
61 if (stat) return failsubmit(ads,context,query_r,type,flags,id,stat);
63 qu= allocquery(ads,owner,ol,qml,id,type,flags,context); if (!qu) return errno;
64 adns__query_udp(ads,qu,now);
71 int adns_synchronous(adns_state ads,
74 adns_queryflags flags,
75 adns_answer **answer_r) {
79 r= adns_submit(ads,owner,type,flags,0,&qu);
83 r= adns_wait(ads,&qu,answer_r,0);
85 if (r) adns_cancel(ads,qu);
89 void adns_cancel(adns_state ads, adns_query query) {