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
operator delete(void * ptr)45 operator delete(void* ptr) _GLIBCXX_USE_NOEXCEPT
46 {
47 if (ptr)
48 std::free(ptr);
49 }
50