144 static const unsigned char *display_question(const unsigned char *aptr,
147 static const unsigned char *display_rr(const unsigned char *aptr,
392   const unsigned char *aptr;  in callback()  local
441   aptr = abuf + HFIXEDSZ;  in callback()
444       aptr = display_question(aptr, abuf, alen);  in callback()
445       if (aptr == NULL)  in callback()
453       aptr = display_rr(aptr, abuf, alen);  in callback()
454       if (aptr == NULL)  in callback()
462       aptr = display_rr(aptr, abuf, alen);  in callback()
463       if (aptr == NULL)  in callback()
471       aptr = display_rr(aptr, abuf, alen);  in callback()
472       if (aptr == NULL)  in callback()
477 static const unsigned char *display_question(const unsigned char *aptr,  in display_question()  argument
486   status = ares_expand_name(aptr, abuf, alen, &name, &len);  in display_question()
489   aptr += len;  in display_question()
494   if (aptr + QFIXEDSZ > abuf + alen)  in display_question()
501   type = DNS_QUESTION_TYPE(aptr);  in display_question()
502   dnsclass = DNS_QUESTION_CLASS(aptr);  in display_question()
503   aptr += QFIXEDSZ;  in display_question()
513   return aptr;  in display_question()
516 static const unsigned char *display_rr(const unsigned char *aptr,  in display_rr()  argument
530   status = ares_expand_name(aptr, abuf, alen, &name.as_char, &len);  in display_rr()
533   aptr += len;  in display_rr()
538   if (aptr + RRFIXEDSZ > abuf + alen)  in display_rr()
546   type = DNS_RR_TYPE(aptr);  in display_rr()
547   dnsclass = DNS_RR_CLASS(aptr);  in display_rr()
548   ttl = DNS_RR_TTL(aptr);  in display_rr()
549   dlen = DNS_RR_LEN(aptr);  in display_rr()
550   aptr += RRFIXEDSZ;  in display_rr()
551   if (aptr + dlen > abuf + alen)  in display_rr()
576       status = ares_expand_name(aptr, abuf, alen, &name.as_char, &len);  in display_rr()
585       p = aptr;  in display_rr()
587       if (p + len + 1 > aptr + dlen)  in display_rr()
596       if (p + len + 1 > aptr + dlen)  in display_rr()
607       p = aptr;  in display_rr()
627       printf("\t%d", (int)DNS__16BIT(aptr));  in display_rr()
628       status = ares_expand_name(aptr + 2, abuf, alen, &name.as_char, &len);  in display_rr()
639       p = aptr;  in display_rr()
652       if (p + 20 > aptr + dlen)  in display_rr()
663       p = aptr;  in display_rr()
664       while (p < aptr + dlen)  in display_rr()
667           if (p + len + 1 > aptr + dlen)  in display_rr()
680       p = aptr;  in display_rr()
711       printf("\t%s", ares_inet_ntop(AF_INET,aptr,addr,sizeof(addr)));  in display_rr()
718       printf("\t%s", ares_inet_ntop(AF_INET6,aptr,addr,sizeof(addr)));  in display_rr()
730       printf("\t%d", (int)DNS__16BIT(aptr));  in display_rr()
731       printf(" %d", (int)DNS__16BIT(aptr + 2));  in display_rr()
732       printf(" %d", (int)DNS__16BIT(aptr + 4));  in display_rr()
734       status = ares_expand_name(aptr + 6, abuf, alen, &name.as_char, &len);  in display_rr()
746       printf("\t%d ", (int)DNS__16BIT(aptr));  in display_rr()
747       printf("%d \t\t", (int)DNS__16BIT(aptr+2));  in display_rr()
748       p = aptr +4;  in display_rr()
755       printf("\t%d", (int)DNS__16BIT(aptr)); /* order */  in display_rr()
756       printf(" %d\n", (int)DNS__16BIT(aptr + 2)); /* preference */  in display_rr()
758       p = aptr + 4;  in display_rr()
801   return aptr + dlen;  in display_rr()