add LPT pin number to host structure

yasnd.c

@@ -154,6 +154,7 @@ void init()
 	{
 		cfg_t* host = cfg_getnsec(cfg, "host", i);
 		hosts[i].hostname=cfg_getstr(host,"hostname");
+		hosts[i].lpt_pin=cfg_getint(host,"lpt_pin");
 		hosts[i].fail_count=0;
 		hosts[i].alert_sent=false;
 	}
@@ -195,7 +196,9 @@ void check_host(int num,host_decl* host)
 */
 void reset_pin(int pin_num)
 {
-	if (pin_num<1 || pin_num>8)
+	if (pin_num==0)
+		return; // there is no LPT control for target host
+	if (pin_num<0 || pin_num>8)
 	{
 		log_event("Error: incorrent LPT pin number");
 		return;

yasnd.h

@@ -18,6 +18,7 @@
 // Structure, that described single checked host
 typedef struct {
 	char* hostname; // address of host
+	int lpt_pin; // pin on LPT control circuit for reset
 	pid_t helper_pid; // pid of helper('pinger') child process
 	int fail_count; // how many times in a row host was unreachable
 	bool alert_sent; // variable, that changed when host goes online/offline