19 static struct crec *cache_head = NULL, *cache_tail = NULL, **hash_table = NULL;
21 static struct crec *dhcp_spare = NULL;
23 static struct crec *new_chain = NULL;
67 static void cache_free(struct crec *crecp);
68 static void cache_unlink(struct crec *crecp);
69 static void cache_link(struct crec *crecp);
71 static void cache_hash(struct crec *crecp);
75   struct crec *crecp;  in cache_init()
85       crecp = safe_malloc(daemon->cachesize*sizeof(struct crec));  in cache_init()
105   struct crec **new, **old, *p, *tmp;  in rehash()
113     new = safe_malloc(new_size * sizeof(struct crec *));  in rehash()
114   else if (new_size <= hash_size || !(new = whine_malloc(new_size * sizeof(struct crec *))))  in rehash()
137 static struct crec **hash_bucket(char *name)  in hash_bucket()
154 static void cache_hash(struct crec *crecp)  in cache_hash()
161   struct crec **up = hash_bucket(cache_get_name(crecp));  in cache_hash()
176 static void cache_free(struct crec *crecp)  in cache_free()
200 static void cache_link(struct crec *crecp)  in cache_link()
212 static void cache_unlink (struct crec *crecp)  in cache_unlink()
225 char *cache_get_name(struct crec *crecp)  in cache_get_name()
235 static int is_outdated_cname_pointer(struct crec *crecp)  in is_outdated_cname_pointer()
246 static int is_expired(time_t now, struct crec *crecp)  in is_expired()
272   struct crec *crecp, **up;  in cache_scan_free()
351       struct crec *tmp = new_chain->next;  in cache_start_insert()
359 struct crec *cache_insert(char *name, struct all_addr *addr,   in cache_insert()
362   struct crec *new;  in cache_insert()
480       struct crec *tmp = new_chain->next;  in cache_end_insert()
495 struct crec *cache_find_by_name(struct crec *crecp, char *name, time_t now, unsigned short prot)  in cache_find_by_name()
497   struct crec *ans;  in cache_find_by_name()
505       struct crec *next, **up, **insert = NULL, **chainp = &ans;  in cache_find_by_name()
579 struct crec *cache_find_by_addr(struct crec *crecp, struct all_addr *addr,   in cache_find_by_addr()
582   struct crec *ans;  in cache_find_by_addr()
598        struct crec **up, **chainp = &ans;  in cache_find_by_addr()
644 static void add_hosts_entry(struct crec *cache, struct all_addr *addr, int addrlen,   in add_hosts_entry()
647   struct crec *lookup = cache_find_by_name(NULL, cache->name.sname, 0, flags & (F_IPV4 | F_IPV6));  in add_hosts_entry()
696 	  (lookup = whine_malloc(sizeof(struct crec))))  in add_hosts_entry()
823 	  struct crec *cache;  in read_hostsfile()
836 		  (cache = whine_malloc(sizeof(struct crec) +   in read_hostsfile()
846 	      if ((cache = whine_malloc(sizeof(struct crec) + strlen(canon)+1-SMALLDNAME)))  in read_hostsfile()
870   struct crec *cache, **up, *tmp;  in cache_reload()
1020   struct crec *cache, **up;  in cache_unhash_dhcp()
1038   struct crec *crec = NULL, *aliasc;  in cache_add_dhcp_entry()  local
1043   while ((crec = cache_find_by_name(crec, host_name, 0, F_IPV4 | F_CNAME)))  in cache_add_dhcp_entry()
1046       if (crec->flags & F_HOSTS)  in cache_add_dhcp_entry()
1048 	  if (crec->addr.addr.addr.addr4.s_addr != host_address->s_addr)  in cache_add_dhcp_entry()
1050 	      strcpy(daemon->namebuff, inet_ntoa(crec->addr.addr.addr.addr4));  in cache_add_dhcp_entry()
1055 			record_source(crec->uid), daemon->namebuff);  in cache_add_dhcp_entry()
1062       else if (!(crec->flags & F_DHCP))  in cache_add_dhcp_entry()
1064 	  cache_scan_free(host_name, NULL, 0, crec->flags & (F_IPV4 | F_CNAME | F_FORWARD));  in cache_add_dhcp_entry()
1073    if ((crec = cache_find_by_addr(NULL, (struct all_addr *)host_address, 0, F_IPV4)))  in cache_add_dhcp_entry()
1075        if (crec->flags & F_NEG)  in cache_add_dhcp_entry()
1082    if ((crec = dhcp_spare))  in cache_add_dhcp_entry()
1085     crec = whine_malloc(sizeof(struct crec));  in cache_add_dhcp_entry()
1087   if (crec) /* malloc may fail */  in cache_add_dhcp_entry()
1089       crec->flags = flags;  in cache_add_dhcp_entry()
1091 	crec->flags |= F_IMMORTAL;  in cache_add_dhcp_entry()
1093 	crec->ttd = ttd;  in cache_add_dhcp_entry()
1094       crec->addr.addr.addr.addr4 = *host_address;  in cache_add_dhcp_entry()
1095       crec->name.namep = host_name;  in cache_add_dhcp_entry()
1096       crec->uid = uid++;  in cache_add_dhcp_entry()
1097       cache_hash(crec);  in cache_add_dhcp_entry()
1105 	      aliasc = whine_malloc(sizeof(struct crec));  in cache_add_dhcp_entry()
1115 		aliasc->addr.cname.cache = crec;  in cache_add_dhcp_entry()
1116 		aliasc->addr.cname.uid = crec->uid;  in cache_add_dhcp_entry()
1160       struct crec *cache ;  in dump_cache()