Test fix for crash

source/ubl-settings-usergroups-user.c

@@ -333,6 +333,12 @@ void on_user_save(GtkWidget *self, dictionary *dict){
 
 	int do_not_check_actve = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(window->userDontCheckCheck));
 	login = (char*)gtk_entry_get_text(GTK_ENTRY(window->userLoginEntry));
+	if (yon_char_is_empty(login)){
+			yon_ubl_status_box_spawn(GTK_CONTAINER(window->StatusBox),EMPTY_IMPORTANT_LABEL,5,BACKGROUND_IMAGE_FAIL_TYPE);
+			yon_ubl_status_highlight_incorrect(window->userLoginEntry);
+			return;
+
+	}
 	if (login[0]>'0'&&login[0]<'9'&&!do_not_check_actve){
 			yon_ubl_status_box_spawn(GTK_CONTAINER(window->StatusBox),USER_BEGINS_WITH_DIGIT_LABEL,5,BACKGROUND_IMAGE_FAIL_TYPE);
 			yon_ubl_status_highlight_incorrect(window->userLoginEntry);
@@ -511,7 +517,7 @@ void on_user_save(GtkWidget *self, dictionary *dict){
 	if (!yon_char_is_empty(window->old_username)&&strcmp(window->old_username,login)){
 		yon_config_remove_by_key(USERADD(window->old_username));
 	}
-	if (strcmp(window->old_password,password)){
+	if (window->old_password&&strcmp(window->old_password,password)){
 		final_command = yon_config_parameter_prepare_command(dull_parameter_get_command,NULL,"users",USERSHADOW(login));
 		yon_config_register(USERSHADOW(login),final_command,shadow_string);
 		if (!yon_char_is_empty(window->old_username)&&strcmp(window->old_username,login)){