5acb90c9b6
a small amount of unused stuff (by the bmakefiles to follow), but it isn't much and seems harmless enough.
121 lines
3.4 KiB
C++
121 lines
3.4 KiB
C++
/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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#ifndef FARALLOC_H
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#define FARALLOC_H
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#include <new.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <iostream.h>
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#include <algobase.h>
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template <class T>
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inline random_access_iterator_tag iterator_category(const T __far *) {
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return random_access_iterator_tag();
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}
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template <class T>
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inline T* value_type(const T __far *) { return (T*)(0); }
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template <class T>
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inline long* distance_type(const T __far*) { return (long*)(0); }
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inline void destroy(char __far *) {}
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inline void destroy(unsigned char __far *) {}
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inline void destroy(short __far *) {}
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inline void destroy(unsigned short __far *) {}
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inline void destroy(int __far *) {}
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inline void destroy(unsigned int __far *) {}
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inline void destroy(long __far *) {}
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inline void destroy(unsigned long __far *) {}
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inline void destroy(float __far *) {}
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inline void destroy(double __far *) {}
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inline void destroy(char __far *, char __far *) {}
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inline void destroy(unsigned char __far *, unsigned char __far *) {}
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inline void destroy(short __far *, short __far *) {}
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inline void destroy(unsigned short __far *, unsigned short __far *) {}
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inline void destroy(int __far *, int __far *) {}
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inline void destroy(unsigned int __far *, unsigned int __far *) {}
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inline void destroy(long __far *, long __far *) {}
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inline void destroy(unsigned long __far *, unsigned long __far *) {}
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inline void destroy(float __far *, float __far *) {}
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inline void destroy(double __far *, double __far *) {}
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inline void __far * operator new(size_t, void __far *p) { return p; }
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template <class T>
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inline T __far * allocate(long size, T __far * p) {
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set_new_handler(0);
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T __far * tmp =
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(T __far *)(::operator new((unsigned long)(size * sizeof(T))));
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if (tmp == 0) {
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cerr << "out of memory" << endl;
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exit(1);
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}
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return tmp;
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}
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template <class T>
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inline void deallocate(T __far * buffer) {
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::operator delete(buffer);
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}
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template <class T1, class T2>
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inline void construct( T1 __far *p, const T2& value )
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{
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new(p)T1(value);
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}
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template <class T>
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inline void destroy( T __far * pointer ) {
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pointer->~T();
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}
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template <class T>
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class far_allocator {
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public:
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typedef T value_type;
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typedef T __far * pointer;
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typedef const T __far * const_pointer;
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typedef T __far & reference;
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typedef const T __far & const_reference;
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typedef unsigned long size_type;
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typedef long difference_type;
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pointer allocate(size_type n) {
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return ::allocate((difference_type)n, (pointer)0);
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}
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void deallocate(pointer p) { ::deallocate(p); }
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pointer address(reference x) { return (pointer)&x; }
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const_pointer const_address(const_reference x) {
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return (const_pointer)&x;
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}
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size_type init_page_size() {
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return max(size_type(1), size_type(4096/sizeof(T)));
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}
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size_type max_size() const {
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return max(size_type(1), size_type(ULONG_MAX/sizeof(T)));
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}
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};
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class far_allocator<void> {
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public:
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typedef void __far * pointer;
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};
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#endif
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