add: realm_prefix.s=realm_prefix_param; realm_prefix.len=strlen(realm_prefix_param);
context: static int mod_init(void){	DBG("auth module - initializing\n");		sl_reply = find_export("sl_send_reply", 2, 0);	if (!sl_reply) {		LOG(L_ERR, "auth:mod_init(): This module requires sl module\n");		return -2;	}	     /* If the parameter was not used */	if (sec_param == 0) {		     /* Generate secret using random generator */		if (generate_random_secret() < 0) {			LOG(L_ERR, "mod_init(): Error while generating random secret\n");			return -3;		}	} else {		     /* Otherwise use the parameter's value */		secret.s = sec_param;		secret.len = strlen(secret.s);	}		rpid_prefix.s = rpid_prefix_param;	rpid_prefix.len = strlen(rpid_prefix.s);	rpid_suffix.s = rpid_suffix_param;	rpid_suffix.len = strlen(rpid_suffix.s);	return 0;}