include/comphelper/newarray.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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
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  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
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef COMPHELPER_NEW_ARRAY_HXX
  21 #define COMPHELPER_NEW_ARRAY_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) throw()
  31 {
  32     if (((::std::numeric_limits<size_t>::max)() / sizeof(T)) <= n) {
  33         return 0;
  34     }
  35     return new (::std::nothrow) T[n];
  36 }
  37
  38 template<typename T> T *
  39 newArray_ex(size_t const n)
  40 {
  41     if (((::std::numeric_limits<size_t>::max)() / sizeof(T)) <= n) {
  42         throw ::std::bad_alloc();
  43     }
  44     return new T[n];
  45 }
  46
  47 } // namespace comphelper
  48
  49 #endif // COMPHELPER_NEW_ARRAY_HXX
  50
  51 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */