| /* |
| * |
| * 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. |
| * |
| */ |
| // |
| // Inclusion of this file is DEPRECATED. |
| // This is the original HP default allocator. |
| // DO NOT USE THIS FILE unless you have an old container implementation |
| // that requires an allocator with the HP-style interface. |
| // SGI STL uses a different allocator interface. |
| // SGI-style allocators are not parametrized with respect to |
| // the object type; they traffic in void * pointers. |
| // This file is not included by any other SGI STL header. |
| // |
| |
| #ifndef DEFALLOC_H |
| #define DEFALLOC_H |
| |
| #include <new.h> |
| #include <stddef.h> |
| #include <stdlib.h> |
| #include <limits.h> |
| #include <iostream.h> |
| #include <algobase.h> |
| |
| |
| template <class T> |
| inline T* allocate(ptrdiff_t size, T*) { |
| set_new_handler(0); |
| T* tmp = (T*)(::operator new((size_t)(size * sizeof(T)))); |
| if (tmp == 0) { |
| cerr << "out of memory" << endl; |
| exit(1); |
| } |
| return tmp; |
| } |
| |
| |
| template <class T> |
| inline void deallocate(T* buffer) { |
| ::operator delete(buffer); |
| } |
| |
| template <class T> |
| class allocator { |
| public: |
| typedef T value_type; |
| typedef T* pointer; |
| typedef const T* const_pointer; |
| typedef T& reference; |
| typedef const T& const_reference; |
| typedef size_t size_type; |
| typedef ptrdiff_t 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(UINT_MAX/sizeof(T))); |
| } |
| }; |
| |
| class allocator<void> { |
| public: |
| typedef void* pointer; |
| }; |
| |
| |
| |
| #endif |