include/o3tl/make_shared.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.
   4  *
   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
  10 #ifndef INCLUDED_O3TL_MAKE_SHARED_HXX
  11 #define INCLUDED_O3TL_MAKE_SHARED_HXX
  12
  13 #include <memory>
  14 #include <type_traits>
  15
  16 namespace o3tl {
  17
  18 /** Allocate an array stored in a shared_ptr, calling operator delete[].
  19     Note that this is only allowed for arithmetic types because shared_ptr
  20     implicitly converts to sub-types.
  21  */
  22 template<typename T>
  23 std::shared_ptr<T> make_shared_array(size_t const size)
  24 {
  25     static_assert(std::is_arithmetic<T>::value, "only arrays of arithmetic types allowed");
  26     return std::shared_ptr<T>(new T[size], std::default_delete<T[]>());
  27 }
  28
  29 } // namespace o3tl
  30
  31 #endif // INCLUDED_O3TL_MAKE_SHARED_HXX
  32
  33 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */