Gecko [ 0.0.0.0 ]

Name	Size	Permission
algorithmfwd.h	24.05 KB	-rw-r--r--
align.h	3.62 KB	-rw-r--r--
alloc_traits.h	31.4 KB	-rw-r--r--
allocated_ptr.h	3.25 KB	-rw-r--r--
allocator.h	8.61 KB	-rw-r--r--
atomic_base.h	60.9 KB	-rw-r--r--
atomic_futex.h	12.19 KB	-rw-r--r--
atomic_lockfree_defines.h	2.3 KB	-rw-r--r--
atomic_timed_wait.h	13.18 KB	-rw-r--r--
atomic_wait.h	12.33 KB	-rw-r--r--
basic_ios.h	15.85 KB	-rw-r--r--
basic_ios.tcc	5.67 KB	-rw-r--r--
basic_string.h	161.58 KB	-rw-r--r--
basic_string.tcc	30.7 KB	-rw-r--r--
boost_concept_check.h	29.13 KB	-rw-r--r--
c++0x_warning.h	1.44 KB	-rw-r--r--
char_traits.h	28.54 KB	-rw-r--r--
charconv.h	3.58 KB	-rw-r--r--
chrono.h	47.09 KB	-rw-r--r--
chrono_io.h	126.98 KB	-rw-r--r--
codecvt.h	24.9 KB	-rw-r--r--
concept_check.h	3.32 KB	-rw-r--r--
cow_string.h	134.11 KB	-rw-r--r--
cpp_type_traits.h	14.54 KB	-rw-r--r--
cxxabi_forced.h	1.77 KB	-rw-r--r--
cxxabi_init_exception.h	2.17 KB	-rw-r--r--
deque.tcc	41.43 KB	-rw-r--r--
elements_of.h	2.13 KB	-rw-r--r--
enable_special_members.h	12.16 KB	-rw-r--r--
erase_if.h	2.08 KB	-rw-r--r--
exception.h	2.41 KB	-rw-r--r--
exception_defines.h	1.61 KB	-rw-r--r--
exception_ptr.h	8.02 KB	-rw-r--r--
forward_list.h	50 KB	-rw-r--r--
forward_list.tcc	13.71 KB	-rw-r--r--
fs_dir.h	17.94 KB	-rw-r--r--
fs_fwd.h	10.91 KB	-rw-r--r--
fs_ops.h	10.49 KB	-rw-r--r--
fs_path.h	41.47 KB	-rw-r--r--
fstream.tcc	32.64 KB	-rw-r--r--
functexcept.h	4.17 KB	-rw-r--r--
functional_hash.h	8.79 KB	-rw-r--r--
gslice.h	5.52 KB	-rw-r--r--
gslice_array.h	7.71 KB	-rw-r--r--
hash_bytes.h	2.1 KB	-rw-r--r--
hashtable.h	88.15 KB	-rw-r--r--
hashtable_policy.h	64.73 KB	-rw-r--r--
indirect_array.h	7.72 KB	-rw-r--r--
invoke.h	6.08 KB	-rw-r--r--
ios_base.h	32.29 KB	-rw-r--r--
istream.tcc	32.16 KB	-rw-r--r--
iterator_concepts.h	34.38 KB	-rw-r--r--
list.tcc	17.63 KB	-rw-r--r--
locale_classes.h	25.15 KB	-rw-r--r--
locale_classes.tcc	10.76 KB	-rw-r--r--
locale_conv.h	18.74 KB	-rw-r--r--
locale_facets.h	92.12 KB	-rw-r--r--
locale_facets.tcc	40.61 KB	-rw-r--r--
locale_facets_nonio.h	69.1 KB	-rw-r--r--
locale_facets_nonio.tcc	55.86 KB	-rw-r--r--
localefwd.h	5.8 KB	-rw-r--r--
mask_array.h	7.77 KB	-rw-r--r--
max_size_type.h	22 KB	-rw-r--r--
memory_resource.h	15.8 KB	-rw-r--r--
memoryfwd.h	2.5 KB	-rw-r--r--
mofunc_impl.h	7.45 KB	-rw-r--r--
move.h	7.62 KB	-rw-r--r--
move_only_function.h	6.15 KB	-rw-r--r--
nested_exception.h	7.51 KB	-rw-r--r--
new_allocator.h	7.31 KB	-rw-r--r--
node_handle.h	11.1 KB	-rw-r--r--
ostream.tcc	12.02 KB	-rw-r--r--
ostream_insert.h	3.98 KB	-rw-r--r--
out_ptr.h	14.14 KB	-rw-r--r--
parse_numbers.h	7.8 KB	-rw-r--r--
postypes.h	7.33 KB	-rw-r--r--
predefined_ops.h	9.94 KB	-rw-r--r--
ptr_traits.h	8.05 KB	-rw-r--r--
quoted_string.h	5.01 KB	-rw-r--r--
random.h	181.57 KB	-rw-r--r--
random.tcc	103.49 KB	-rw-r--r--
range_access.h	11.66 KB	-rw-r--r--
ranges_algo.h	129.22 KB	-rw-r--r--
ranges_algobase.h	18.63 KB	-rw-r--r--
ranges_base.h	28.99 KB	-rw-r--r--
ranges_cmp.h	5.74 KB	-rw-r--r--
ranges_uninitialized.h	17.71 KB	-rw-r--r--
ranges_util.h	25.84 KB	-rw-r--r--
refwrap.h	15.05 KB	-rw-r--r--
regex.h	104.49 KB	-rw-r--r--
regex.tcc	16.1 KB	-rw-r--r--
regex_automaton.h	10.55 KB	-rw-r--r--
regex_automaton.tcc	7.6 KB	-rw-r--r--
regex_compiler.h	15.92 KB	-rw-r--r--
regex_compiler.tcc	18.48 KB	-rw-r--r--
regex_constants.h	14.77 KB	-rw-r--r--
regex_error.h	5.35 KB	-rw-r--r--
regex_executor.h	8.81 KB	-rw-r--r--
regex_executor.tcc	18.49 KB	-rw-r--r--
regex_scanner.h	6.88 KB	-rw-r--r--
regex_scanner.tcc	14.59 KB	-rw-r--r--
requires_hosted.h	1.36 KB	-rw-r--r--
sat_arith.h	4.64 KB	-rw-r--r--
semaphore_base.h	7.7 KB	-rw-r--r--
shared_ptr.h	38.26 KB	-rw-r--r--
shared_ptr_atomic.h	24.12 KB	-rw-r--r--
shared_ptr_base.h	65.58 KB	-rw-r--r--
slice_array.h	9.39 KB	-rw-r--r--
specfun.h	46.09 KB	-rw-r--r--
sstream.tcc	9.91 KB	-rw-r--r--
std_abs.h	4.63 KB	-rw-r--r--
std_function.h	23.35 KB	-rw-r--r--
std_mutex.h	6.73 KB	-rw-r--r--
std_thread.h	10.02 KB	-rw-r--r--
stl_algo.h	210.46 KB	-rw-r--r--
stl_algobase.h	79.62 KB	-rw-r--r--
stl_bvector.h	41.68 KB	-rw-r--r--
stl_construct.h	8.61 KB	-rw-r--r--
stl_deque.h	76.46 KB	-rw-r--r--
stl_function.h	44.2 KB	-rw-r--r--
stl_heap.h	20.38 KB	-rw-r--r--
stl_iterator.h	93.68 KB	-rw-r--r--
stl_iterator_base_funcs.h	8.75 KB	-rw-r--r--
stl_iterator_base_types.h	9.48 KB	-rw-r--r--
stl_list.h	70.78 KB	-rw-r--r--
stl_map.h	54.84 KB	-rw-r--r--
stl_multimap.h	42.71 KB	-rw-r--r--
stl_multiset.h	36.87 KB	-rw-r--r--
stl_numeric.h	14.25 KB	-rw-r--r--
stl_pair.h	43.42 KB	-rw-r--r--
stl_queue.h	28.04 KB	-rw-r--r--
stl_raw_storage_iter.h	3.91 KB	-rw-r--r--
stl_relops.h	4.47 KB	-rw-r--r--
stl_set.h	37.13 KB	-rw-r--r--
stl_stack.h	13.7 KB	-rw-r--r--
stl_tempbuf.h	10.17 KB	-rw-r--r--
stl_tree.h	72.02 KB	-rw-r--r--
stl_uninitialized.h	35.65 KB	-rw-r--r--
stl_vector.h	69.15 KB	-rw-r--r--
stream_iterator.h	8.2 KB	-rw-r--r--
streambuf.tcc	4.58 KB	-rw-r--r--
streambuf_iterator.h	15.57 KB	-rw-r--r--
string_view.tcc	7 KB	-rw-r--r--
stringfwd.h	2.56 KB	-rw-r--r--
text_encoding-data.h	24.3 KB	-rw-r--r--
this_thread_sleep.h	3.21 KB	-rw-r--r--
unicode-data.h	25.4 KB	-rw-r--r--
unicode.h	29.66 KB	-rw-r--r--
uniform_int_dist.h	13 KB	-rw-r--r--
unique_lock.h	6.32 KB	-rw-r--r--
unique_ptr.h	35.96 KB	-rw-r--r--
unordered_map.h	75.45 KB	-rw-r--r--
unordered_set.h	61.91 KB	-rw-r--r--
uses_allocator.h	6.91 KB	-rw-r--r--
uses_allocator_args.h	8.52 KB	-rw-r--r--
utility.h	8.55 KB	-rw-r--r--
valarray_after.h	22.74 KB	-rw-r--r--
valarray_array.h	20.8 KB	-rw-r--r--
valarray_array.tcc	7.08 KB	-rw-r--r--
valarray_before.h	18.69 KB	-rw-r--r--
vector.tcc	37.12 KB	-rw-r--r--
version.h	79.04 KB	-rw-r--r--

Code Editor : stl_tempbuf.h

// Temporary buffer implementation -*- C++ -*-

// Copyright (C) 2001-2024 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
// <http://www.gnu.org/licenses/>.

/*
 *
 * 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 bits/stl_tempbuf.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{memory}
 */

#ifndef _STL_TEMPBUF_H
#define _STL_TEMPBUF_H 1

#include <new>
#include <bits/exception_defines.h>
#include <bits/stl_construct.h>
#include <bits/stl_pair.h>
#include <ext/numeric_traits.h>

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

#if __has_builtin(__builtin_operator_new) >= 201802L
# define _GLIBCXX_OPERATOR_NEW __builtin_operator_new
# define _GLIBCXX_OPERATOR_DELETE __builtin_operator_delete
#else
# define _GLIBCXX_OPERATOR_NEW ::operator new
# define _GLIBCXX_OPERATOR_DELETE ::operator delete
#endif

namespace __detail
  {
    // Equivalent to std::get_temporary_buffer but won't return a smaller size.
    // It either returns a buffer of __len elements, or a null pointer.
    template<typename _Tp>
      inline _Tp*
      __get_temporary_buffer(ptrdiff_t __len) _GLIBCXX_NOTHROW
      {
	if (__builtin_expect(size_t(__len) > (size_t(-1) / sizeof(_Tp)), 0))
	  return 0;

#if __cpp_aligned_new && __cplusplus >= 201103L
	if (alignof(_Tp) > __STDCPP_DEFAULT_NEW_ALIGNMENT__)
	  return (_Tp*) _GLIBCXX_OPERATOR_NEW(__len * sizeof(_Tp),
					      align_val_t(alignof(_Tp)),
					      nothrow_t());
#endif
	return (_Tp*) _GLIBCXX_OPERATOR_NEW(__len * sizeof(_Tp), nothrow_t());
      }

// Equivalent to std::return_temporary_buffer but with a size argument.
    // The size is the number of elements, not the number of bytes.
    template<typename _Tp>
      inline void
      __return_temporary_buffer(_Tp* __p,
				size_t __len __attribute__((__unused__)))
      {
#if __cpp_sized_deallocation
# define _GLIBCXX_SIZED_DEALLOC(T, p, n) (p), (n) * sizeof(T)
#else
# define _GLIBCXX_SIZED_DEALLOC(T, p, n) (p)
#endif

#if __cpp_aligned_new && __cplusplus >= 201103L
	if (alignof(_Tp) > __STDCPP_DEFAULT_NEW_ALIGNMENT__)
	  {
	    _GLIBCXX_OPERATOR_DELETE(_GLIBCXX_SIZED_DEALLOC(_Tp, __p, __len),
				     align_val_t(alignof(_Tp)));
	    return;
	  }
#endif
	_GLIBCXX_OPERATOR_DELETE(_GLIBCXX_SIZED_DEALLOC(_Tp, __p, __len));
      }
#undef _GLIBCXX_SIZED_DEALLOC
  }

/**
   *  @brief Allocates a temporary buffer.
   *  @param  __len  The number of objects of type Tp.
   *  @return See full description.
   *
   *  Reinventing the wheel, but this time with prettier spokes!
   *
   *  This function tries to obtain storage for @c __len adjacent Tp
   *  objects.  The objects themselves are not constructed, of course.
   *  A pair<> is returned containing <em>the buffer's address and
   *  capacity (in the units of sizeof(_Tp)), or a pair of 0 values if
   *  no storage can be obtained.</em>  Note that the capacity obtained
   *  may be less than that requested if the memory is unavailable;
   *  you should compare len with the .second return value.
   *
   * Provides the nothrow exception guarantee.
   */
  template<typename _Tp>
    _GLIBCXX17_DEPRECATED
    pair<_Tp*, ptrdiff_t>
    get_temporary_buffer(ptrdiff_t __len) _GLIBCXX_NOEXCEPT
    {
      const ptrdiff_t __max =
	__gnu_cxx::__numeric_traits<ptrdiff_t>::__max / sizeof(_Tp);
      if (__len > __max)
	__len = __max;

while (__len > 0)
	{
	  if (_Tp* __tmp = __detail::__get_temporary_buffer<_Tp>(__len))
	    return pair<_Tp*, ptrdiff_t>(__tmp, __len);
	  __len = __len == 1 ? 0 : ((__len + 1) / 2);
	}
      return pair<_Tp*, ptrdiff_t>();
    }

/**
   *  @brief The companion to get_temporary_buffer().
   *  @param  __p  A buffer previously allocated by get_temporary_buffer.
   *  @return   None.
   *
   *  Frees the memory pointed to by __p.
   */
  template<typename _Tp>
    _GLIBCXX17_DEPRECATED
    inline void
    return_temporary_buffer(_Tp* __p)
    {
#if __cpp_aligned_new && __cplusplus >= 201103L
      if (alignof(_Tp) > __STDCPP_DEFAULT_NEW_ALIGNMENT__)
	_GLIBCXX_OPERATOR_DELETE(__p, align_val_t(alignof(_Tp)));
      else
#endif
      _GLIBCXX_OPERATOR_DELETE(__p);
    }

#undef _GLIBCXX_OPERATOR_DELETE
#undef _GLIBCXX_OPERATOR_NEW

/**
   *  This class is used in two places: stl_algo.h and ext/memory,
   *  where it is wrapped as the temporary_buffer class.  See
   *  temporary_buffer docs for more notes.
   */
  template<typename _ForwardIterator, typename _Tp>
    class _Temporary_buffer
    {
      // concept requirements
      __glibcxx_class_requires(_ForwardIterator, _ForwardIteratorConcept)

public:
      typedef _Tp         value_type;
      typedef value_type* pointer;
      typedef pointer     iterator;
      typedef ptrdiff_t   size_type;

protected:
      size_type  _M_original_len;
      struct _Impl
      {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
	explicit
	_Impl(ptrdiff_t __original_len)
	{
	  pair<pointer, size_type> __p(
	    std::get_temporary_buffer<value_type>(__original_len));
	  _M_len = __p.second;
	  _M_buffer = __p.first;
	}
#pragma GCC diagnostic pop

~_Impl()
	{ std::__detail::__return_temporary_buffer(_M_buffer, _M_len); }

size_type  _M_len;
	pointer    _M_buffer;
      } _M_impl;

public:
      /// As per Table mumble.
      size_type
      size() const
      { return _M_impl._M_len; }

/// Returns the size requested by the constructor; may be >size().
      size_type
      requested_size() const
      { return _M_original_len; }

/// As per Table mumble.
      iterator
      begin()
      { return _M_impl._M_buffer; }

/// As per Table mumble.
      iterator
      end()
      { return _M_impl._M_buffer + _M_impl._M_len; }

/**
       * Constructs a temporary buffer of a size somewhere between
       * zero and the given length.
       */
      _Temporary_buffer(_ForwardIterator __seed, size_type __original_len);

~_Temporary_buffer()
      { std::_Destroy(_M_impl._M_buffer, _M_impl._M_buffer + _M_impl._M_len); }

private:
      // Disable copy constructor and assignment operator.
      _Temporary_buffer(const _Temporary_buffer&);

void
      operator=(const _Temporary_buffer&);
    };

template<bool>
    struct __uninitialized_construct_buf_dispatch
    {
      template<typename _Pointer, typename _ForwardIterator>
        static void
        __ucr(_Pointer __first, _Pointer __last,
	      _ForwardIterator __seed)
        {
	  if (__builtin_expect(__first == __last, 0))
	    return;

_Pointer __cur = __first;
	  __try
	    {
	      std::_Construct(std::__addressof(*__first),
			      _GLIBCXX_MOVE(*__seed));
	      _Pointer __prev = __cur;
	      ++__cur;
	      for(; __cur != __last; ++__cur, ++__prev)
		std::_Construct(std::__addressof(*__cur),
				_GLIBCXX_MOVE(*__prev));
	      *__seed = _GLIBCXX_MOVE(*__prev);
	    }
	  __catch(...)
	    {
	      std::_Destroy(__first, __cur);
	      __throw_exception_again;
	    }
	}
    };

template<>
    struct __uninitialized_construct_buf_dispatch<true>
    {
      template<typename _Pointer, typename _ForwardIterator>
        static void
        __ucr(_Pointer, _Pointer, _ForwardIterator) { }
    };

// Constructs objects in the range [first, last).
  // Note that while these new objects will take valid values,
  // their exact value is not defined. In particular they may
  // be 'moved from'.
  //
  // While *__seed may be altered during this algorithm, it will have
  // the same value when the algorithm finishes, unless one of the
  // constructions throws.
  //
  // Requirements:
  // _Tp is move constructible and constructible from std::move(*__seed).
  template<typename _Tp, typename _ForwardIterator>
    inline void
    __uninitialized_construct_buf(_Tp* __first, _Tp* __last,
				  _ForwardIterator __seed)
    {
      std::__uninitialized_construct_buf_dispatch<
	__has_trivial_constructor(_Tp)>::
	  __ucr(__first, __last, __seed);
    }

template<typename _ForwardIterator, typename _Tp>
    _Temporary_buffer<_ForwardIterator, _Tp>::
    _Temporary_buffer(_ForwardIterator __seed, size_type __original_len)
    : _M_original_len(__original_len), _M_impl(__original_len)
    {
      std::__uninitialized_construct_buf(begin(), end(), __seed);
    }

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace

#endif /* _STL_TEMPBUF_H */

${this.title}

Code Editor : stl_tempbuf.h