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/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#ifndef LNGALLOC_H
#define LNGALLOC_H
#include <limits.h>
#include <algobase.h>
#include <defalloc.h>
template <class T>
class long_allocator {
public:
typedef T value_type;
typedef T* pointer;
typedef const T* const_pointer;
typedef T& reference;
typedef const T& const_reference;
typedef unsigned long size_type;
typedef long difference_type;
pointer allocate(size_type n) {
return ::allocate((difference_type)n, (pointer)0);
}
void deallocate(pointer p) { ::deallocate(p); }
pointer address(reference x) { return (pointer)&x; }
const_pointer const_address(const_reference x) {
return (const_pointer)&x;
}
size_type init_page_size() {
return max(size_type(1), size_type(4096/sizeof(T)));
}
size_type max_size() const {
return max(size_type(1), size_type(ULONG_MAX/sizeof(T)));
}
};
class long_allocator<void> {
public:
typedef void* pointer;
};
#endif
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