1 // Copyright (C) 2004-2013 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
19 #include <ext/new_allocator.h>
22 using __gnu_cxx::new_allocator;
25 class clear_alloc : public new_allocator<T>
29 template <typename T1>
31 { typedef clear_alloc<T1> other; };
33 virtual void clear() throw()
39 clear_alloc(clear_alloc const&) throw() : new_allocator<T>()
43 clear_alloc(clear_alloc<T1> const&) throw()
46 virtual ~clear_alloc() throw()
49 T* allocate(typename new_allocator<T>::size_type n, const void *hint = 0)
52 return new_allocator<T>::allocate(n, hint);
55 void deallocate(T *ptr, typename new_allocator<T>::size_type n)
58 new_allocator<T>::deallocate(ptr, n);
62 template<typename Container>
63 void Check_Container()
65 Container* pic = new Container;
75 // The following has led to infinite recursions or cores.
84 Check_Container<std::vector<bool, clear_alloc<bool> > >();