@@ -2597,6 +2597,11 @@ int pv_get_scriptvar(struct sip_msg *msg,  pv_param_t *param,

 		res->ri = sv->v.value.n;

 		res->flags = PV_VAL_STR|PV_VAL_INT|PV_TYPE_INT;

 	}

+

+	if (!sv->init) {

+		LM_WARN("Script variable \"$var(%.*s)\" used uninitialized!\n", sv->name.len, sv->name.s);

+	}

+

 	return 0;

 }

@@ -2899,6 +2904,10 @@ int pv_set_scriptvar(struct sip_msg* msg, pv_param_t *param,

 		LM_ERR("error - cannot find svar\n");

 		goto error;

 	}

+

+	script_var_t *sv = (param->pvn.u.dname);

+	sv->init = 1;

+

 	if((val==NULL) || (val->flags&PV_VAL_NULL))

 	{

 		if(((script_var_t*)param->pvn.u.dname)->v.flags&VAR_TYPE_NULL)

@@ -46,6 +46,7 @@ typedef struct script_var {

 	str name;

 	script_val_t v;

 	struct script_var *next;

+	int init;

 } script_var_t, *script_var_p;

 script_var_t* add_var(str *name, int vtype);