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Diffstat (limited to 'include/o3tl/make_shared.hxx')
-rw-r--r-- | include/o3tl/make_shared.hxx | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/o3tl/make_shared.hxx b/include/o3tl/make_shared.hxx new file mode 100644 index 0000000000..5d4d98e42b --- /dev/null +++ b/include/o3tl/make_shared.hxx @@ -0,0 +1,46 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#ifndef INCLUDED_O3TL_MAKE_SHARED_HXX +#define INCLUDED_O3TL_MAKE_SHARED_HXX + +#include <o3tl/deleter.hxx> +#include <memory> +#include <type_traits> + +namespace o3tl +{ +/** Allocate an array stored in a shared_ptr, calling operator delete[]. + Note that this is only allowed for arithmetic types because shared_ptr + implicitly converts to sub-types. + */ +template <typename T> std::shared_ptr<T> make_shared_array(size_t const size) +{ + static_assert(std::is_arithmetic<T>::value, "only arrays of arithmetic types allowed"); + return std::shared_ptr<T>(new T[size], std::default_delete<T[]>()); +} + +/** To markup std::shared_ptr that coverity warns might throw exceptions + which won't throw in practice, or where std::terminate is + an acceptable response if they do +*/ +template <class T, class... Args> std::shared_ptr<T> make_shared(Args&&... args) +{ +#if defined(__COVERITY__) + return std::shared_ptr<T>(new T(std::forward<Args>(args)...), o3tl::default_delete<T>()); +#else + return std::make_shared<T>(std::forward<Args>(args)...); +#endif +} + +} // namespace o3tl + +#endif // INCLUDED_O3TL_MAKE_SHARED_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |