include/comphelper/newarray.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_COMPHELPER_NEWARRAY_HXX
  21 #define INCLUDED_COMPHELPER_NEWARRAY_HXX
  22
  23 #include <limits>
  24 #include <new>
  25 #include <stddef.h>
  26
  27 namespace comphelper {
  28
  29 template<typename T> T *
  30 newArray_null(size_t const n) noexcept
  31 {
  32     if ((::std::numeric_limits<size_t>::max() / sizeof(T)) <= n) {
  33         return nullptr;
  34     }
  35     return new (::std::nothrow) T[n];
  36 }
  37
  38 } // namespace comphelper
  39
  40 #endif // INCLUDED_COMPHELPER_NEWARRAY_HXX
  41
  42 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */