/usr/include/c++/4.4.4/bits
Edit: /usr/include/c++/4.4.4/bits/stl_uninitialized.h (15110B)
// Raw memory manipulators -*- C++ -*-
// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, 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 General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
//
.
/*
*
* 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.
*
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* 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. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/** @file stl_uninitialized.h
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
#ifndef _STL_UNINITIALIZED_H
#define _STL_UNINITIALIZED_H 1
_GLIBCXX_BEGIN_NAMESPACE(std)
template
struct __uninitialized_copy
{
template
static _ForwardIterator
uninitialized_copy(_InputIterator __first, _InputIterator __last,
_ForwardIterator __result)
{
_ForwardIterator __cur = __result;
__try
{
for (; __first != __last; ++__first, ++__cur)
std::_Construct(&*__cur, *__first);
return __cur;
}
__catch(...)
{
std::_Destroy(__result, __cur);
__throw_exception_again;
}
}
};
template<>
struct __uninitialized_copy
{
template
static _ForwardIterator
uninitialized_copy(_InputIterator __first, _InputIterator __last,
_ForwardIterator __result)
{ return std::copy(__first, __last, __result); }
};
/**
* @brief Copies the range [first,last) into result.
* @param first An input iterator.
* @param last An input iterator.
* @param result An output iterator.
* @return result + (first - last)
*
* Like copy(), but does not require an initialized output range.
*/
template
inline _ForwardIterator
uninitialized_copy(_InputIterator __first, _InputIterator __last,
_ForwardIterator __result)
{
typedef typename iterator_traits<_InputIterator>::value_type
_ValueType1;
typedef typename iterator_traits<_ForwardIterator>::value_type
_ValueType2;
return std::__uninitialized_copy<(__is_pod(_ValueType1)
&& __is_pod(_ValueType2))>::
uninitialized_copy(__first, __last, __result);
}
template
struct __uninitialized_fill
{
template
static void
uninitialized_fill(_ForwardIterator __first,
_ForwardIterator __last, const _Tp& __x)
{
_ForwardIterator __cur = __first;
__try
{
for (; __cur != __last; ++__cur)
std::_Construct(&*__cur, __x);
}
__catch(...)
{
std::_Destroy(__first, __cur);
__throw_exception_again;
}
}
};
template<>
struct __uninitialized_fill
{
template
static void
uninitialized_fill(_ForwardIterator __first,
_ForwardIterator __last, const _Tp& __x)
{ std::fill(__first, __last, __x); }
};
/**
* @brief Copies the value x into the range [first,last).
* @param first An input iterator.
* @param last An input iterator.
* @param x The source value.
* @return Nothing.
*
* Like fill(), but does not require an initialized output range.
*/
template
inline void
uninitialized_fill(_ForwardIterator __first, _ForwardIterator __last,
const _Tp& __x)
{
typedef typename iterator_traits<_ForwardIterator>::value_type
_ValueType;
std::__uninitialized_fill<__is_pod(_ValueType)>::
uninitialized_fill(__first, __last, __x);
}
template
struct __uninitialized_fill_n
{
template
static void
uninitialized_fill_n(_ForwardIterator __first, _Size __n,
const _Tp& __x)
{
_ForwardIterator __cur = __first;
__try
{
for (; __n > 0; --__n, ++__cur)
std::_Construct(&*__cur, __x);
}
__catch(...)
{
std::_Destroy(__first, __cur);
__throw_exception_again;
}
}
};
template<>
struct __uninitialized_fill_n
{
template
static void
uninitialized_fill_n(_ForwardIterator __first, _Size __n,
const _Tp& __x)
{ std::fill_n(__first, __n, __x); }
};
/**
* @brief Copies the value x into the range [first,first+n).
* @param first An input iterator.
* @param n The number of copies to make.
* @param x The source value.
* @return Nothing.
*
* Like fill_n(), but does not require an initialized output range.
*/
template
inline void
uninitialized_fill_n(_ForwardIterator __first, _Size __n, const _Tp& __x)
{
typedef typename iterator_traits<_ForwardIterator>::value_type
_ValueType;
std::__uninitialized_fill_n<__is_pod(_ValueType)>::
uninitialized_fill_n(__first, __n, __x);
}
// Extensions: versions of uninitialized_copy, uninitialized_fill,
// and uninitialized_fill_n that take an allocator parameter.
// We dispatch back to the standard versions when we're given the
// default allocator. For nondefault allocators we do not use
// any of the POD optimizations.
template
_ForwardIterator
__uninitialized_copy_a(_InputIterator __first, _InputIterator __last,
_ForwardIterator __result, _Allocator& __alloc)
{
_ForwardIterator __cur = __result;
__try
{
for (; __first != __last; ++__first, ++__cur)
__alloc.construct(&*__cur, *__first);
return __cur;
}
__catch(...)
{
std::_Destroy(__result, __cur, __alloc);
__throw_exception_again;
}
}
template
inline _ForwardIterator
__uninitialized_copy_a(_InputIterator __first, _InputIterator __last,
_ForwardIterator __result, allocator<_Tp>&)
{ return std::uninitialized_copy(__first, __last, __result); }
template
inline _ForwardIterator
__uninitialized_move_a(_InputIterator __first, _InputIterator __last,
_ForwardIterator __result, _Allocator& __alloc)
{
return std::__uninitialized_copy_a(_GLIBCXX_MAKE_MOVE_ITERATOR(__first),
_GLIBCXX_MAKE_MOVE_ITERATOR(__last),
__result, __alloc);
}
template
void
__uninitialized_fill_a(_ForwardIterator __first, _ForwardIterator __last,
const _Tp& __x, _Allocator& __alloc)
{
_ForwardIterator __cur = __first;
__try
{
for (; __cur != __last; ++__cur)
__alloc.construct(&*__cur, __x);
}
__catch(...)
{
std::_Destroy(__first, __cur, __alloc);
__throw_exception_again;
}
}
template
inline void
__uninitialized_fill_a(_ForwardIterator __first, _ForwardIterator __last,
const _Tp& __x, allocator<_Tp2>&)
{ std::uninitialized_fill(__first, __last, __x); }
template
void
__uninitialized_fill_n_a(_ForwardIterator __first, _Size __n,
const _Tp& __x, _Allocator& __alloc)
{
_ForwardIterator __cur = __first;
__try
{
for (; __n > 0; --__n, ++__cur)
__alloc.construct(&*__cur, __x);
}
__catch(...)
{
std::_Destroy(__first, __cur, __alloc);
__throw_exception_again;
}
}
template
inline void
__uninitialized_fill_n_a(_ForwardIterator __first, _Size __n,
const _Tp& __x, allocator<_Tp2>&)
{ std::uninitialized_fill_n(__first, __n, __x); }
// Extensions: __uninitialized_copy_move, __uninitialized_move_copy,
// __uninitialized_fill_move, __uninitialized_move_fill.
// All of these algorithms take a user-supplied allocator, which is used
// for construction and destruction.
// __uninitialized_copy_move
// Copies [first1, last1) into [result, result + (last1 - first1)), and
// move [first2, last2) into
// [result, result + (last1 - first1) + (last2 - first2)).
template
inline _ForwardIterator
__uninitialized_copy_move(_InputIterator1 __first1,
_InputIterator1 __last1,
_InputIterator2 __first2,
_InputIterator2 __last2,
_ForwardIterator __result,
_Allocator& __alloc)
{
_ForwardIterator __mid = std::__uninitialized_copy_a(__first1, __last1,
__result,
__alloc);
__try
{
return std::__uninitialized_move_a(__first2, __last2, __mid, __alloc);
}
__catch(...)
{
std::_Destroy(__result, __mid, __alloc);
__throw_exception_again;
}
}
// __uninitialized_move_copy
// Moves [first1, last1) into [result, result + (last1 - first1)), and
// copies [first2, last2) into
// [result, result + (last1 - first1) + (last2 - first2)).
template
inline _ForwardIterator
__uninitialized_move_copy(_InputIterator1 __first1,
_InputIterator1 __last1,
_InputIterator2 __first2,
_InputIterator2 __last2,
_ForwardIterator __result,
_Allocator& __alloc)
{
_ForwardIterator __mid = std::__uninitialized_move_a(__first1, __last1,
__result,
__alloc);
__try
{
return std::__uninitialized_copy_a(__first2, __last2, __mid, __alloc);
}
__catch(...)
{
std::_Destroy(__result, __mid, __alloc);
__throw_exception_again;
}
}
// __uninitialized_fill_move
// Fills [result, mid) with x, and moves [first, last) into
// [mid, mid + (last - first)).
template
inline _ForwardIterator
__uninitialized_fill_move(_ForwardIterator __result, _ForwardIterator __mid,
const _Tp& __x, _InputIterator __first,
_InputIterator __last, _Allocator& __alloc)
{
std::__uninitialized_fill_a(__result, __mid, __x, __alloc);
__try
{
return std::__uninitialized_move_a(__first, __last, __mid, __alloc);
}
__catch(...)
{
std::_Destroy(__result, __mid, __alloc);
__throw_exception_again;
}
}
// __uninitialized_move_fill
// Moves [first1, last1) into [first2, first2 + (last1 - first1)), and
// fills [first2 + (last1 - first1), last2) with x.
template
inline void
__uninitialized_move_fill(_InputIterator __first1, _InputIterator __last1,
_ForwardIterator __first2,
_ForwardIterator __last2, const _Tp& __x,
_Allocator& __alloc)
{
_ForwardIterator __mid2 = std::__uninitialized_move_a(__first1, __last1,
__first2,
__alloc);
__try
{
std::__uninitialized_fill_a(__mid2, __last2, __x, __alloc);
}
__catch(...)
{
std::_Destroy(__first2, __mid2, __alloc);
__throw_exception_again;
}
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template
_ForwardIterator
__uninitialized_copy_n(_InputIterator __first, _Size __n,
_ForwardIterator __result, input_iterator_tag)
{
_ForwardIterator __cur = __result;
__try
{
for (; __n > 0; --__n, ++__first, ++__cur)
::new(static_cast(&*__cur)) typename
iterator_traits<_ForwardIterator>::value_type(*__first);
return __cur;
}
__catch(...)
{
std::_Destroy(__result, __cur);
__throw_exception_again;
}
}
template
inline _ForwardIterator
__uninitialized_copy_n(_RandomAccessIterator __first, _Size __n,
_ForwardIterator __result,
random_access_iterator_tag)
{ return std::uninitialized_copy(__first, __first + __n, __result); }
/**
* @brief Copies the range [first,first+n) into result.
* @param first An input iterator.
* @param n The number of elements to copy.
* @param result An output iterator.
* @return result + n
*
* Like copy_n(), but does not require an initialized output range.
*/
template
inline _ForwardIterator
uninitialized_copy_n(_InputIterator __first, _Size __n,
_ForwardIterator __result)
{ return std::__uninitialized_copy_n(__first, __n, __result,
std::__iterator_category(__first)); }
#endif
_GLIBCXX_END_NAMESPACE
#endif /* _STL_UNINITIALIZED_H */