Lowered the number of insertions before the ternary tree is rebuilt.

This commit is contained in:
Robert James Kaes 2001-09-08 18:56:30 +00:00
parent 4923dd22a7
commit 78bc90cd07

View File

@ -1,4 +1,4 @@
/* $Id: dnscache.c,v 1.14 2001-09-07 04:17:26 rjkaes Exp $ /* $Id: dnscache.c,v 1.15 2001-09-08 18:56:30 rjkaes Exp $
* *
* This is a caching DNS system. When a host name is needed we look it up here * This is a caching DNS system. When a host name is needed we look it up here
* and see if there is already an answer for it. The domains are placed in a * and see if there is already an answer for it. The domains are placed in a
@ -43,7 +43,7 @@ static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
#define UNLOCK() pthread_mutex_unlock(&mutex); #define UNLOCK() pthread_mutex_unlock(&mutex);
#define DNSEXPIRE (5 * 60) #define DNSEXPIRE (5 * 60)
#define DNS_INSERT_LIMIT 10000 /* free the memory after inserts */ #define DNS_INSERT_LIMIT 1024 /* free the memory after inserts */
struct dnscache_s { struct dnscache_s {
struct in_addr ipaddr; struct in_addr ipaddr;
@ -80,7 +80,7 @@ static int dns_insert(struct in_addr *addr, char *domain)
assert(addr != NULL); assert(addr != NULL);
assert(domain != NULL); assert(domain != NULL);
if (!(newptr = malloc(sizeof(struct dnscache_s)))) { if (!(newptr = safemalloc(sizeof(struct dnscache_s)))) {
return -1; return -1;
} }