From 14e4e78b6b255ff50d74197e77136228c2f9c371 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Tue, 4 Mar 2014 13:01:22 +0100
Subject: [PATCH] MeshTools: check out-of-range access in
 MeshTools::duplicate().

---
 src/Magnum/MeshTools/Duplicate.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Magnum/MeshTools/Duplicate.h b/src/Magnum/MeshTools/Duplicate.h
index 4d67ab583..7ba7772c2 100644
--- a/src/Magnum/MeshTools/Duplicate.h
+++ b/src/Magnum/MeshTools/Duplicate.h
@@ -30,6 +30,7 @@
  */
 
 #include <vector>
+#include <Corrade/Utility/Assert.h>
 
 #include "Magnum/Types.h"
 
@@ -45,8 +46,10 @@ index array `{1, 1, 0, 3, 2, 2}` will be converted to `{b, b, a, d, c, c}`.
 template<class T> std::vector<T> duplicate(const std::vector<UnsignedInt>& indices, const std::vector<T>& data) {
     std::vector<T> out;
     out.reserve(indices.size());
-    for(const UnsignedInt index: indices)
+    for(const UnsignedInt index: indices) {
+        CORRADE_ASSERT(index < data.size(), "MeshTools::duplicate(): index out of range", out);
         out.push_back(data[index]);
+    }
     return out;
 }