From 56bf724ab40facb4b26388baf8facf5bf5202cda Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Thu, 28 Mar 2013 12:10:43 -0400
Subject: Print warning in import() if OFF file is not found


diff --git a/src/import.cc b/src/import.cc
index 32d4fed..e693401 100644
--- a/src/import.cc
+++ b/src/import.cc
@@ -251,10 +251,15 @@ PolySet *ImportNode::evaluate_polyset(class PolySetEvaluator *) const
 #ifdef ENABLE_CGAL
 		CGAL_Polyhedron poly;
 		std::ifstream file(this->filename.c_str(), std::ios::in | std::ios::binary);
-		file >> poly;
-		file.close();
-		
-		p = createPolySetFromPolyhedron(poly);
+		if (!file.good()) {
+			PRINTB("WARNING: Can't open import file '%s'.", this->filename);
+		}
+		else {
+			file >> poly;
+			file.close();
+			
+			p = createPolySetFromPolyhedron(poly);
+		}
 #else
   PRINT("WARNING: OFF import requires CGAL.");
 #endif
-- 
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