From 8581e953f9c91ac0f0b75b80067ec209abe02e9e Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Fri, 17 Oct 2014 14:45:12 +0200
Subject: [PATCH] Doxygen

---
 htdocs/core/class/commonobject.class.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 3da33709165..9996337736a 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -1747,6 +1747,7 @@ abstract class CommonObject
      *	@param		string	$origin		Linked element type
      *	@param		int		$origin_id	Linked element id
      *	@return		int					<=0 if KO, >0 if OK
+     *	@see		fetchObjectLinked, updateObjectLinked, deleteObjectLinked
      */
     function add_object_linked($origin=null, $origin_id=null)
     {
@@ -1790,6 +1791,7 @@ abstract class CommonObject
      *	@param  string	$targettype		Object target type
      *	@param  string	$clause			'OR' or 'AND' clause used when both source id and target id are provided
      *	@return	void
+     *  @see	add_object_linked, updateObjectLinked, deleteObjectLinked
      */
 	function fetchObjectLinked($sourceid='',$sourcetype='',$targetid='',$targettype='',$clause='OR')
     {
@@ -1819,6 +1821,12 @@ abstract class CommonObject
         $sourcetype = (! empty($sourcetype) ? $sourcetype : $this->element);
         $targettype = (! empty($targettype) ? $targettype : $this->element);
 
+        if (empty($sourceid) && empty($targetid))
+        {
+        	dol_print_error('','Bad usage of function. No parameter defined and no id defined');
+        	return -1;
+        }
+
         // Links beetween objects are stored in this table
         $sql = 'SELECT fk_source, sourcetype, fk_target, targettype';
         $sql.= ' FROM '.MAIN_DB_PREFIX.'element_element';
@@ -1944,6 +1952,7 @@ abstract class CommonObject
      *	@param  int		$targetid		Object target id
      *	@param  string	$targettype		Object target type
      *	@return							int	>0 if OK, <0 if KO
+     *	@see	add_object_linked, fetObjectLinked, deleteObjectLinked
      */
     function updateObjectLinked($sourceid='', $sourcetype='', $targetid='', $targettype='')
     {
@@ -1989,6 +1998,7 @@ abstract class CommonObject
      *	@param  int		$targetid		Object target id
      *	@param  string	$targettype		Object target type
 	 *	@return     int	>0 if OK, <0 if KO
+	 *	@see	add_object_linked, updateObjectLinked, fetchObjectLinked
 	 */
 	function deleteObjectLinked($sourceid='', $sourcetype='', $targetid='', $targettype='')
 	{