/elec/propeller-clock

/*	Copyright (C) 2004 Garrett A. Kajmowicz

	This file is part of the uClibc++ Library.

	This library 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 2.1 of the License, or (at your option) any later version.

	This library 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 this library; if not, write to the Free Software

	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#include <new>

#include <cstddef>

#include <cstdlib>

#include <iterator_base>

#include <utility.h>

#include <cstdio>

#ifndef HEADER_STD_MEMORY

#define HEADER_STD_MEMORY 1

#pragma GCC visibility push(default)

namespace std{

template <class T> class allocator;

	// Specialize for void:

template <> class _UCXXEXPORT allocator<void> {

public:

	typedef void*       pointer;

	typedef const void* const_pointer;

	typedef void  value_type;

	template <class U> struct rebind { typedef allocator<U> other; };

};

template <class T> class _UCXXEXPORT allocator{

public:

	typedef T value_type;

	typedef size_t size_type;

	typedef ptrdiff_t difference_type;

	typedef T* pointer;

	typedef const T* const_pointer;

	typedef T& reference;

	typedef const T& const_reference;

	pointer address(reference r) const { return &r; }

	const_pointer address(const_reference r) const { return &r; }

	allocator() throw(){}

	template <class U> allocator(const allocator<U>& ) throw();

	~allocator() throw(){}

	//Space for n Ts

	pointer allocate(size_type n, typename allocator<void>::const_pointer = 0){

		return (T*)(::operator new( n * sizeof(T) ));

	}

	void deallocate(pointer p, size_type){

		::operator delete(p);

	}

	//Use placement new to engage the constructor

	void construct(pointer p, const T& val) { new((void*)p) T(val); }

	void destroy(pointer p){ ((T*)p)->~T(); }	//Call destructor

	size_type max_size() const throw();

	template<class U> struct rebind { typedef allocator<U> other; };

};

template <class Out, class T> class _UCXXEXPORT raw_storage_iterator

	: public iterator<output_iterator_tag, void, void, void, void>

{

		Out p;

public:

	explicit raw_storage_iterator(Out pp) : p (pp) {  }

	raw_storage_iterator & operator*() { return *this; }

	raw_storage_iterator & operator=(const T& val) {

		T* pp = &*p;

		new(pp) T(val);

		return *this;

	}

	raw_storage_iterator & operator++() { ++p; return *this; }

	raw_storage_iterator operator++(int) {

		raw_storage_iterator t = *this;

		++p;

		return t;

	}

};

template <class T> _UCXXEXPORT pair<T*, ptrdiff_t> get_temporary_buffer(ptrdiff_t n){

	pair<T*, ptrdiff_t> retval;

	retval.first = static_cast<T*>(malloc(n * sizeof(T)));

	if(retval.first == 0){

		retval.second = 0;

	}else{

		retval.second = n;

	}

	return retval;

}

template <class T> _UCXXEXPORT void return_temporary_buffer(T* p){

	free(p);

}

template <class T> class _UCXXEXPORT auto_ptr{

private:

	T * object;

	template <class Y> struct auto_ptr_ref{

		Y * p;

	};

public:

	typedef T element_type;

	explicit auto_ptr(T* p =0) throw() : object(p){  }

	auto_ptr(auto_ptr& p) throw() : object(p.release()){ }

	auto_ptr(auto_ptr_ref<T> r) throw() : object(r.p){

		r.p = 0;

	}

	template<class Y> auto_ptr(auto_ptr<Y>& p) throw() : object(p.release()){ }

	auto_ptr& operator=(auto_ptr& p) throw(){

		if(&p == this){

			return *this;

		}

		delete object;

		object = p.release();

		return *this;

	}

	template<class Y> auto_ptr& operator=(auto_ptr<Y>& p) throw(){

		if(&p == this){

			return *this;

		}

		delete object;

		object = p.release();

		return *this;

	}

	~auto_ptr(){

		delete object;

	}

	T& operator*() const throw(){

		return *object;

	}

	T* operator->() const throw(){

		return object;

	}

	T* get() const throw(){

		return object;

	}

	T* release() throw(){

		T * temp(object);

		object = 0;

		return temp;

	}

	void reset(T * p=0) throw(){

		if(p != object){

			delete object;

			object = p;

		}

	}

	template<class Y> operator auto_ptr_ref<Y>() throw(){

		auto_ptr_ref<Y> retval;

		retval.p = object;

		object = 0;

		return retval;

	}

	template<class Y> operator auto_ptr<Y>() throw(){

		auto_ptr<Y> retval(object);

		object = 0;

		return retval;

	}

};

}	//namespace std

#pragma GCC visibility pop

#endif