| // Boilerplate support routines for -*- C++ -*- dynamic memory management. |
| |
| // Copyright (C) 1997-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of GCC. |
| // |
| // GCC is free software; you can redistribute it and/or modify |
| // it under the terms of the GNU General Public License as published by |
| // the Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| // |
| // GCC is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <bits/c++config.h> |
| |
| #if !_GLIBCXX_HOSTED |
| // A freestanding C runtime may not provide "free" -- but there is no |
| // other reasonable way to implement "operator delete". |
| namespace std |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| extern "C" void free(void*); |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |
| #else |
| # include <cstdlib> |
| #endif |
| |
| #include "new" |
| |
| _GLIBCXX_WEAK_DEFINITION void |
| operator delete (void *ptr, const std::nothrow_t&) noexcept |
| { |
| // _GLIBCXX_RESOLVE_LIB_DEFECTS |
| // 206. operator new(size_t, nothrow) may become unlinked to ordinary |
| // operator new if ordinary version replaced |
| ::operator delete (ptr); |
| } |