/usr/include/MYGUI/MyGUI_Allocator.h is in libmygui-dev 3.2.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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@file
@author Albert Semenov
@date 05/2009
*/
/*
This file is part of MyGUI.
MyGUI is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MyGUI 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MYGUI_ALLOCATOR_H__
#define __MYGUI_ALLOCATOR_H__
#include <memory>
#include <limits>
namespace MyGUI
{
template<typename T>
class Allocator
{
public:
// typedefs
typedef T value_type;
typedef value_type* pointer;
typedef const value_type* const_pointer;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
public:
// convert an allocator<T> to allocator<U>
template<typename U>
struct rebind
{
typedef Allocator<U> other;
};
public:
inline explicit Allocator() { }
inline ~Allocator() { }
template<typename U>
inline explicit Allocator(Allocator<U> const&) { }
// address
inline pointer address(reference r)
{
return &r;
}
inline const_pointer address(const_reference r)
{
return &r;
}
// memory allocation
inline pointer allocate(size_type cnt, typename std::allocator<void>::const_pointer = 0)
{
return reinterpret_cast<pointer>(::operator new (cnt * sizeof (T)));
}
inline void deallocate(pointer p, size_type)
{
::operator delete (p);
}
// size
inline size_type max_size() const
{
return (std::numeric_limits<size_type>::max)() / sizeof(T);
}
// construction/destruction
inline void construct(pointer p, const T& t)
{
new (p) T(t);
}
inline void destroy(pointer p)
{
p->~T();
}
inline bool operator==(Allocator const&)
{
return true;
}
inline bool operator!=(Allocator const& a)
{
return !operator==(a);
}
};
} // namespace MyGUI
#endif // __MYGUI_ALLOCATOR_H__
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