zabbix-2.0.3-dnsapi.patch

zabbix-2.0.3-dnsapi.patch

--- zabbix-2.0.3.orig/src/libs/zbxsysinfo/common/net.c	2012-11-05 07:04:04.450140996 +0900
+++ zabbix-2.0.3/src/libs/zbxsysinfo/common/net.c	2012-11-16 13:19:28.057641634 +0900
@@ -215,6 +215,8 @@ static int	dns_query(const char *cmd, co
 	PDNS_RECORD	pQueryResults, pDnsRecord;
 	LPTSTR		wzone;
 	char		tmp2[MAX_STRING_LEN];
+	static HMODULE dnsapi_dllHandle = NULL;
+	static void (WINAPI *DnsRecordListFree_dyn)(PDNS_RECORD, DNS_FREE_TYPE) = NULL;
 #else
 	char		*name;
 	unsigned char	*msg_end, *msg_ptr, *p;
@@ -657,8 +659,14 @@ static int	dns_query(const char *cmd, co
 
 #ifdef _WINDOWS
 clean:
+	if (NULL == dnsapi_dllHandle)
+		dnsapi_dllHandle = LoadLibrary(L"Dnsapi.dll");
+	//Get pointer to our function using GetProcAddress:
+	if (NULL != dnsapi_dllHandle && NULL == DnsRecordListFree_dyn)
+		(FARPROC)DnsRecordListFree_dyn = GetProcAddress(dnsapi_dllHandle, "DnsRecordListFree");
+   
 	if (DNS_RCODE_NOERROR == res)
-		DnsRecordListFree(pQueryResults, DnsFreeRecordList);
+		DnsRecordListFree_dyn(pQueryResults, DnsFreeRecordList);  
 #endif
 	return ret;