1 // Boilerplate support routines for -*- C++ -*- dynamic memory management. 2 3 // Copyright (C) 1997-2018 Free Software Foundation, Inc. 4 // 5 // This file is part of GCC. 6 // 7 // GCC is free software; you can redistribute it and/or modify 8 // it under the terms of the GNU General Public License as published by 9 // the Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 // 12 // GCC is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 // 17 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 #include <bits/c++config.h> 27 28 #if !_GLIBCXX_HOSTED 29 // A freestanding C runtime may not provide "free" -- but there is no 30 // other reasonable way to implement "operator delete". 31 namespace std 32 { 33 _GLIBCXX_BEGIN_NAMESPACE_VERSION 34 extern "C" void free(void*); 35 _GLIBCXX_END_NAMESPACE_VERSION 36 } // namespace 37 #else 38 # include <cstdlib> 39 #endif 40 41 #include "new" 42 43 _GLIBCXX_WEAK_DEFINITION void 44 operator delete (void *ptr, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT 45 { 46 std::free(ptr); 47 } 48