- if (addr->sa_family != AF_INET) return ENOSYS;
- iaddr= (const unsigned char*)
- &(((const struct sockaddr_in*)addr) -> sin_addr);
-
- lreq= strlen(zone) + 4*4 + 1;
- if (lreq > sizeof(shortbuf)) {
- buf= malloc(strlen(zone) + 4*4 + 1);
- if (!buf) return errno;
- buf_free= buf;
- } else {
- buf= shortbuf;
- buf_free= 0;
- }
- sprintf(buf, "%d.%d.%d.%d.%s", iaddr[3], iaddr[2], iaddr[1], iaddr[0], zone);
-
+ buf = shortbuf;
+ r= adns__make_reverse_domain(addr,zone, &buf,sizeof(shortbuf),&buf_free);
+ if (r) return r;