From: dooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Date: Thu, 7 Feb 2008 23:34:43 +0000 (+0000)
Subject: Prevent a crash when loading a .sif file with 'use=""' in it.
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=42f7fccb005cc4a4ab985e01398ab6479bb62199;p=synfig.git

Prevent a crash when loading a .sif file with 'use=""' in it.


git-svn-id: http://svn.voria.com/code@1622 1f10aa63-cdf2-0310-b900-c93c546f37ac
---

diff --git a/synfig-core/trunk/src/synfig/loadcanvas.cpp b/synfig-core/trunk/src/synfig/loadcanvas.cpp
index c59075e..00cbfc2 100644
--- a/synfig-core/trunk/src/synfig/loadcanvas.cpp
+++ b/synfig-core/trunk/src/synfig/loadcanvas.cpp
@@ -1694,7 +1694,9 @@ CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
 
 				String str=	child->get_attribute("use")->get_value();
 
-				if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
+				if (str.empty())
+					error(child,_("Empty use=\"\" value in <param>"));
+				else if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
 				{
 					if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
 						error((*iter),_("Layer rejected canvas link"));