261   if((data->set.dns_cache_timeout == -1) || !data->dns.hostcache)  in Curl_hostcache_prune()
272   hostcache_prune(data->dns.hostcache,  in Curl_hostcache_prune()
294   struct Curl_dns_entry *dns = NULL;  in fetch_addr()  local
302     return dns;  in fetch_addr()
307   dns = Curl_hash_pick(data->dns.hostcache, entry_id, entry_len+1);  in fetch_addr()
309   if(dns && (data->set.dns_cache_timeout != -1))  {  in fetch_addr()
316     if(hostcache_timestamp_remove(&user, dns)) {  in fetch_addr()
318       dns = NULL; /* the memory deallocation is being handled by the hash */  in fetch_addr()
319       Curl_hash_delete(data->dns.hostcache, entry_id, entry_len+1);  in fetch_addr()
326   return dns;  in fetch_addr()
349   struct Curl_dns_entry *dns = NULL;  in Curl_fetch_addr()  local
354   dns = fetch_addr(conn, hostname, port);  in Curl_fetch_addr()
356   if(dns) dns->inuse++; /* we use it! */  in Curl_fetch_addr()
361   return dns;  in Curl_fetch_addr()
381   struct Curl_dns_entry *dns;  in Curl_cache_addr()  local
392   dns = calloc(1, sizeof(struct Curl_dns_entry));  in Curl_cache_addr()
393   if(!dns) {  in Curl_cache_addr()
398   dns->inuse = 1;   /* the cache has the first reference */  in Curl_cache_addr()
399   dns->addr = addr; /* this is the address(es) */  in Curl_cache_addr()
400   time(&dns->timestamp);  in Curl_cache_addr()
401   if(dns->timestamp == 0)  in Curl_cache_addr()
402     dns->timestamp = 1;   /* zero indicates CURLOPT_RESOLVE entry */  in Curl_cache_addr()
405   dns2 = Curl_hash_add(data->dns.hostcache, entry_id, entry_len+1,  in Curl_cache_addr()
406                        (void *)dns);  in Curl_cache_addr()
408     free(dns);  in Curl_cache_addr()
413   dns = dns2;  in Curl_cache_addr()
414   dns->inuse++;         /* mark entry as in-use */  in Curl_cache_addr()
419   return dns;  in Curl_cache_addr()
448   struct Curl_dns_entry *dns = NULL;  in Curl_resolv()  local
458   dns = fetch_addr(conn, hostname, port);  in Curl_resolv()
460   if(dns) {  in Curl_resolv()
462     dns->inuse++; /* we use it! */  in Curl_resolv()
469   if(!dns) {  in Curl_resolv()
496         result = Curl_resolver_is_resolved(conn, &dns);  in Curl_resolv()
499         if(dns)  in Curl_resolv()
510       dns = Curl_cache_addr(data, addr, hostname, port);  in Curl_resolv()
515       if(!dns)  in Curl_resolv()
523   *entry = dns;  in Curl_resolv()
718 void Curl_resolv_unlock(struct SessionHandle *data, struct Curl_dns_entry *dns)  in Curl_resolv_unlock()  argument
723   freednsentry(dns);  in Curl_resolv_unlock()
734   struct Curl_dns_entry *dns = (struct Curl_dns_entry *) freethis;  in freednsentry()  local
735   DEBUGASSERT(dns && (dns->inuse>0));  in freednsentry()
737   dns->inuse--;  in freednsentry()
738   if(dns->inuse == 0) {  in freednsentry()
739     Curl_freeaddrinfo(dns->addr);  in freednsentry()
740     free(dns);  in freednsentry()
806       Curl_hash_delete(data->dns.hostcache, entry_id, entry_len+1);  in Curl_loadhostpairs()
815       struct Curl_dns_entry *dns;  in Curl_loadhostpairs()  local
847       dns = Curl_hash_pick(data->dns.hostcache, entry_id, entry_len+1);  in Curl_loadhostpairs()
852       if(!dns) {  in Curl_loadhostpairs()
854         dns = Curl_cache_addr(data, addr, hostname, port);  in Curl_loadhostpairs()
855         if(dns) {  in Curl_loadhostpairs()
856           dns->timestamp = 0; /* mark as added by CURLOPT_RESOLVE */  in Curl_loadhostpairs()
859           dns->inuse--;  in Curl_loadhostpairs()
869       if(!dns) {  in Curl_loadhostpairs()