1 // Boilerplate support routines for -*- C++ -*- dynamic memory management. 2 3 // Copyright (C) 1997, 1998, 1999, 2000, 2004, 2007, 2009, 2010, 2011 4 // Free Software Foundation 5 // 6 // This file is part of GCC. 7 // 8 // GCC is free software; you can redistribute it and/or modify 9 // it under the terms of the GNU General Public License as published by 10 // the Free Software Foundation; either version 3, or (at your option) 11 // any later version. 12 // 13 // GCC is distributed in the hope that it will be useful, 14 // but WITHOUT ANY WARRANTY; without even the implied warranty of 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 // GNU General Public License for more details. 17 // 18 // Under Section 7 of GPL version 3, you are granted additional 19 // permissions described in the GCC Runtime Library Exception, version 20 // 3.1, as published by the Free Software Foundation. 21 22 // You should have received a copy of the GNU General Public License and 23 // a copy of the GCC Runtime Library Exception along with this program; 24 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 // <http://www.gnu.org/licenses/>. 26 27 #include <bits/c++config.h> 28 29 #if !_GLIBCXX_HOSTED 30 // A freestanding C runtime may not provide "free" -- but there is no 31 // other reasonable way to implement "operator delete". 32 namespace std 33 { 34 _GLIBCXX_BEGIN_NAMESPACE_VERSION 35 extern "C" void free(void*); 36 _GLIBCXX_END_NAMESPACE_VERSION 37 } // namespace 38 #else 39 # include <cstdlib> 40 #endif 41 42 #include "new" 43 44 _GLIBCXX_WEAK_DEFINITION void 45 operator delete(void* ptr) _GLIBCXX_USE_NOEXCEPT 46 { 47 if (ptr) 48 std::free(ptr); 49 } 50