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Diffstat (limited to '')
| -rw-r--r-- | include/o3tl/deleter.hxx | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/o3tl/deleter.hxx b/include/o3tl/deleter.hxx new file mode 100644 index 000000000..76d8d5a35 --- /dev/null +++ b/include/o3tl/deleter.hxx @@ -0,0 +1,68 @@ +/* -*- 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_DELETER_HXX +#define INCLUDED_O3TL_DELETER_HXX + +#include <sal/config.h> + +#include <cstdlib> + +#if defined(__COVERITY__) +#define suppress_fun_call_w_exception(expr) \ + do \ + { \ + try \ + { \ + expr; \ + } \ + catch (...) \ + { \ + std::terminate(); \ + } \ + } while (false) +#else +#define suppress_fun_call_w_exception(expr) \ + do \ + { \ + expr; \ + } while (false) +#endif + +namespace o3tl +{ +/** To markup std::unique_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 <typename T> struct default_delete +{ + void operator()(T* p) noexcept { suppress_fun_call_w_exception(delete p); } +}; + +struct free_delete +{ + void operator()(void* p) { std::free(p); } +}; + +template <typename uniqueptr> void reset_preserve_ptr_during(uniqueptr& ptr) +{ + // HACK: for the case where the dtor of the obj held by ptr will trigger + // functions which expect ptr to still be set during the dtor. + // e.g. SdrObject::GetBroadcaster() is called during the destructor + // in SdrEdgeObj::Notify(). So delete first, then clear the pointer + delete ptr.get(); + // coverity[leaked_storage] - not a leak, deleted on line above + (void)ptr.release(); +} +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |