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From a..@apache.org
Subject svn commit: r1362850 - /incubator/ooo/trunk/main/comphelper/inc/comphelper/newarray.hxx
Date Wed, 18 Jul 2012 10:28:33 GMT
Author: alg
Date: Wed Jul 18 10:28:32 2012
New Revision: 1362850

URL: http://svn.apache.org/viewvc?rev=1362850&view=rev
Log:
add comphelper::newArray_{null,ex}, checking for overflow
Patch by: Michael Stahl

Added:
    incubator/ooo/trunk/main/comphelper/inc/comphelper/newarray.hxx

Added: incubator/ooo/trunk/main/comphelper/inc/comphelper/newarray.hxx
URL: http://svn.apache.org/viewvc/incubator/ooo/trunk/main/comphelper/inc/comphelper/newarray.hxx?rev=1362850&view=auto
==============================================================================
--- incubator/ooo/trunk/main/comphelper/inc/comphelper/newarray.hxx (added)
+++ incubator/ooo/trunk/main/comphelper/inc/comphelper/newarray.hxx Wed Jul 18 10:28:32 2012
@@ -0,0 +1,51 @@
+/**************************************************************
+ * 
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * 
+ *************************************************************/
+
+#ifndef COMPHELPER_NEW_ARRAY_HXX
+#define COMPHELPER_NEW_ARRAY_HXX
+
+#include <limits>
+#include <new>
+#include <stddef.h>
+
+namespace comphelper {
+
+template<typename T> T *
+newArray_null(size_t const n) throw()
+{
+    if ((::std::numeric_limits<size_t>::max() / sizeof(T)) <= n) {
+        return 0;
+    }
+    return new (::std::nothrow) T[n];
+}
+
+template<typename T> T *
+newArray_ex(size_t const n)
+{
+    if ((::std::numeric_limits<size_t>::max() / sizeof(T)) <= n) {
+        throw ::std::bad_alloc();
+    }
+    return new T[n];
+}
+
+} // namespace comphelper
+
+#endif // COMPHELPER_NEW_ARRAY_HXX



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