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📄 array	10.14 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 assertions.h	2.35 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 bitset	11.62 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 debug.h	5.1 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 deque	17 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 formatter.h	13.94 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 forward_list	25.07 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 functions.h	16.2 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 helper_functions.h	6.65 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 list	22.27 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 macros.h	17.45 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 map	1.31 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 map.h	22 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 multimap.h	19.25 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 multiset.h	18.2 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_base.h	9.06 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_container.h	3.33 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_iterator.h	29.54 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_iterator.tcc	2.89 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_local_iterator.h	15.85 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_local_iterator.tcc	2.07 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_sequence.h	4.98 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_sequence.tcc	4.87 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_unordered_base.h	6.73 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_unordered_container.h	3.81 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 safe_unordered_container.tcc	3.19 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 set	1.31 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 set.h	18.27 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 stl_iterator.h	4.18 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 string	32.86 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 unordered_map	41.07 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 unordered_set	34.97 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete
📄 vector	21.81 KB	08/26/2025 09:45:05 AM	rw-r--r--	Delete

Editing: functions.h

// Debugging support implementation -*- C++ -*-

// Copyright (C) 2003-2018 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/>.

/** @file debug/functions.h
 *  This file is a GNU debug extension to the Standard C++ Library.
 */

#ifndef _GLIBCXX_DEBUG_FUNCTIONS_H
#define _GLIBCXX_DEBUG_FUNCTIONS_H 1

#include <bits/move.h>		// for __addressof
#include <bits/stl_function.h>	// for less
#if __cplusplus >= 201103L
# include <type_traits>		// for is_lvalue_reference and conditional.
#endif

#include <debug/helper_functions.h>
#include <debug/formatter.h>

namespace __gnu_debug
{
  template<typename _Iterator, typename _Sequence>
    class _Safe_iterator;

template<typename _Sequence>
    struct _Insert_range_from_self_is_safe
    { enum { __value = 0 }; };

template<typename _Sequence>
    struct _Is_contiguous_sequence : std::__false_type { };

// An arbitrary iterator pointer is not singular.
  inline bool
  __check_singular_aux(const void*) { return false; }

// We may have an iterator that derives from _Safe_iterator_base but isn't
  // a _Safe_iterator.
  template<typename _Iterator>
    inline bool
    __check_singular(const _Iterator& __x)
    { return __check_singular_aux(std::__addressof(__x)); }

/** Non-NULL pointers are nonsingular. */
  template<typename _Tp>
    inline bool
    __check_singular(const _Tp* __ptr)
    { return __ptr == 0; }

/** Assume that some arbitrary iterator is dereferenceable, because we
      can't prove that it isn't. */
  template<typename _Iterator>
    inline bool
    __check_dereferenceable(const _Iterator&)
    { return true; }

/** Non-NULL pointers are dereferenceable. */
  template<typename _Tp>
    inline bool
    __check_dereferenceable(const _Tp* __ptr)
    { return __ptr; }

/* Checks that [first, last) is a valid range, and then returns
   * __first. This routine is useful when we can't use a separate
   * assertion statement because, e.g., we are in a constructor.
  */
  template<typename _InputIterator>
    inline _InputIterator
    __check_valid_range(const _InputIterator& __first,
			const _InputIterator& __last
			__attribute__((__unused__)))
    {
      __glibcxx_check_valid_range(__first, __last);
      return __first;
    }

/* Handle the case where __other is a pointer to _Sequence::value_type. */
  template<typename _Iterator, typename _Sequence>
    inline bool
    __foreign_iterator_aux4(const _Safe_iterator<_Iterator, _Sequence>& __it,
			    const typename _Sequence::value_type* __other)
    {
      typedef const typename _Sequence::value_type* _PointerType;
      typedef std::less<_PointerType> _Less;
#if __cplusplus >= 201103L
      constexpr _Less __l{};
#else
      const _Less __l = _Less();
#endif
      const _Sequence* __seq = __it._M_get_sequence();
      const _PointerType __begin = std::__addressof(*__seq->_M_base().begin());
      const _PointerType __end = std::__addressof(*(__seq->_M_base().end()-1));

// Check whether __other points within the contiguous storage.
      return __l(__other, __begin) || __l(__end, __other);
    }

/* Fallback overload for when we can't tell, assume it is valid. */
  template<typename _Iterator, typename _Sequence>
    inline bool
    __foreign_iterator_aux4(const _Safe_iterator<_Iterator, _Sequence>&, ...)
    { return true; }

/* Handle sequences with contiguous storage */
  template<typename _Iterator, typename _Sequence, typename _InputIterator>
    inline bool
    __foreign_iterator_aux3(const _Safe_iterator<_Iterator, _Sequence>& __it,
			    const _InputIterator& __other,
			    const _InputIterator& __other_end,
			    std::__true_type)
    {
      if (__other == __other_end)
	return true;  // inserting nothing is safe even if not foreign iters
      if (__it._M_get_sequence()->begin() == __it._M_get_sequence()->end())
	return true;  // can't be self-inserting if self is empty
      return __foreign_iterator_aux4(__it, std::__addressof(*__other));
    }

/* Handle non-contiguous containers, assume it is valid. */
  template<typename _Iterator, typename _Sequence, typename _InputIterator>
    inline bool
    __foreign_iterator_aux3(const _Safe_iterator<_Iterator, _Sequence>&,
			    const _InputIterator&, const _InputIterator&,
			    std::__false_type)
    { return true; }

/** Handle debug iterators from the same type of container. */
  template<typename _Iterator, typename _Sequence, typename _OtherIterator>
    inline bool
    __foreign_iterator_aux2(const _Safe_iterator<_Iterator, _Sequence>& __it,
		const _Safe_iterator<_OtherIterator, _Sequence>& __other,
		const _Safe_iterator<_OtherIterator, _Sequence>&)
    { return __it._M_get_sequence() != __other._M_get_sequence(); }

/** Handle debug iterators from different types of container. */
  template<typename _Iterator, typename _Sequence, typename _OtherIterator,
	   typename _OtherSequence>
    inline bool
    __foreign_iterator_aux2(const _Safe_iterator<_Iterator, _Sequence>& __it,
		const _Safe_iterator<_OtherIterator, _OtherSequence>&,
		const _Safe_iterator<_OtherIterator, _OtherSequence>&)
    { return true; }

/* Handle non-debug iterators. */
  template<typename _Iterator, typename _Sequence, typename _InputIterator>
    inline bool
    __foreign_iterator_aux2(const _Safe_iterator<_Iterator, _Sequence>& __it,
			    const _InputIterator& __other,
			    const _InputIterator& __other_end)
    {
#if __cplusplus < 201103L
      typedef _Is_contiguous_sequence<_Sequence> __tag;
#else
      using __lvalref = std::is_lvalue_reference<
	typename std::iterator_traits<_InputIterator>::reference>;
      using __contiguous = _Is_contiguous_sequence<_Sequence>;
      using __tag = typename std::conditional<__lvalref::value, __contiguous,
					      std::__false_type>::type;
#endif
      return __foreign_iterator_aux3(__it, __other, __other_end, __tag());
    }

/* Handle the case where we aren't really inserting a range after all */
  template<typename _Iterator, typename _Sequence, typename _Integral>
    inline bool
    __foreign_iterator_aux(const _Safe_iterator<_Iterator, _Sequence>&,
			   _Integral, _Integral,
			   std::__true_type)
    { return true; }

/* Handle all iterators. */
  template<typename _Iterator, typename _Sequence,
	   typename _InputIterator>
    inline bool
    __foreign_iterator_aux(const _Safe_iterator<_Iterator, _Sequence>& __it,
			   _InputIterator __other, _InputIterator __other_end,
			   std::__false_type)
    {
      return _Insert_range_from_self_is_safe<_Sequence>::__value
	|| __foreign_iterator_aux2(__it, std::__miter_base(__other),
				   std::__miter_base(__other_end));
    }

template<typename _Iterator, typename _Sequence,
	   typename _InputIterator>
    inline bool
    __foreign_iterator(const _Safe_iterator<_Iterator, _Sequence>& __it,
		       _InputIterator __other, _InputIterator __other_end)
    {
      typedef typename std::__is_integer<_InputIterator>::__type _Integral;
      return __foreign_iterator_aux(__it, __other, __other_end, _Integral());
    }

/** Checks that __s is non-NULL or __n == 0, and then returns __s. */
  template<typename _CharT, typename _Integer>
    inline const _CharT*
    __check_string(const _CharT* __s,
		   const _Integer& __n __attribute__((__unused__)))
    {
#ifdef _GLIBCXX_DEBUG_PEDANTIC
      __glibcxx_assert(__s != 0 || __n == 0);
#endif
      return __s;
    }

/** Checks that __s is non-NULL and then returns __s. */
  template<typename _CharT>
    inline const _CharT*
    __check_string(const _CharT* __s)
    {
#ifdef _GLIBCXX_DEBUG_PEDANTIC
      __glibcxx_assert(__s != 0);
#endif
      return __s;
    }

// Can't check if an input iterator sequence is sorted, because we
  // can't step through the sequence.
  template<typename _InputIterator>
    inline bool
    __check_sorted_aux(const _InputIterator&, const _InputIterator&,
                       std::input_iterator_tag)
    { return true; }

// Can verify if a forward iterator sequence is in fact sorted using
  // std::__is_sorted
  template<typename _ForwardIterator>
    inline bool
    __check_sorted_aux(_ForwardIterator __first, _ForwardIterator __last,
                       std::forward_iterator_tag)
    {
      if (__first == __last)
        return true;

_ForwardIterator __next = __first;
      for (++__next; __next != __last; __first = __next, (void)++__next)
        if (*__next < *__first)
          return false;

return true;
    }

// Can't check if an input iterator sequence is sorted, because we can't step
  // through the sequence.
  template<typename _InputIterator, typename _Predicate>
    inline bool
    __check_sorted_aux(const _InputIterator&, const _InputIterator&,
                       _Predicate, std::input_iterator_tag)
    { return true; }

// Can verify if a forward iterator sequence is in fact sorted using
  // std::__is_sorted
  template<typename _ForwardIterator, typename _Predicate>
    inline bool
    __check_sorted_aux(_ForwardIterator __first, _ForwardIterator __last,
                       _Predicate __pred, std::forward_iterator_tag)
    {
      if (__first == __last)
        return true;

_ForwardIterator __next = __first;
      for (++__next; __next != __last; __first = __next, (void)++__next)
        if (__pred(*__next, *__first))
          return false;

return true;
    }

// Determine if a sequence is sorted.
  template<typename _InputIterator>
    inline bool
    __check_sorted(const _InputIterator& __first, const _InputIterator& __last)
    {
      // Verify that the < operator for elements in the sequence is a
      // StrictWeakOrdering by checking that it is irreflexive.
      __glibcxx_assert(__first == __last || !(*__first < *__first));

return __check_sorted_aux(__first, __last,
				std::__iterator_category(__first));
    }

template<typename _InputIterator, typename _Predicate>
    inline bool
    __check_sorted(const _InputIterator& __first, const _InputIterator& __last,
                   _Predicate __pred)
    {
      // Verify that the predicate is StrictWeakOrdering by checking that it
      // is irreflexive.
      __glibcxx_assert(__first == __last || !__pred(*__first, *__first));

return __check_sorted_aux(__first, __last, __pred,
				std::__iterator_category(__first));
    }

template<typename _InputIterator>
    inline bool
    __check_sorted_set_aux(const _InputIterator& __first,
			   const _InputIterator& __last,
			   std::__true_type)
    { return __check_sorted(__first, __last); }

template<typename _InputIterator>
    inline bool
    __check_sorted_set_aux(const _InputIterator&,
			   const _InputIterator&,
			   std::__false_type)
    { return true; }

template<typename _InputIterator, typename _Predicate>
    inline bool
    __check_sorted_set_aux(const _InputIterator& __first,
			   const _InputIterator& __last,
			   _Predicate __pred, std::__true_type)
    { return __check_sorted(__first, __last, __pred); }

template<typename _InputIterator, typename _Predicate>
    inline bool
    __check_sorted_set_aux(const _InputIterator&,
			   const _InputIterator&, _Predicate,
			   std::__false_type)
    { return true; }

// ... special variant used in std::merge, std::includes, std::set_*.
  template<typename _InputIterator1, typename _InputIterator2>
    inline bool
    __check_sorted_set(const _InputIterator1& __first,
		       const _InputIterator1& __last,
		       const _InputIterator2&)
    {
      typedef typename std::iterator_traits<_InputIterator1>::value_type
	_ValueType1;
      typedef typename std::iterator_traits<_InputIterator2>::value_type
	_ValueType2;

typedef typename std::__are_same<_ValueType1, _ValueType2>::__type
	_SameType;
      return __check_sorted_set_aux(__first, __last, _SameType());
    }

template<typename _InputIterator1, typename _InputIterator2,
	   typename _Predicate>
    inline bool
    __check_sorted_set(const _InputIterator1& __first,
		       const _InputIterator1& __last,
		       const _InputIterator2&, _Predicate __pred)
    {
      typedef typename std::iterator_traits<_InputIterator1>::value_type
	_ValueType1;
      typedef typename std::iterator_traits<_InputIterator2>::value_type
	_ValueType2;

typedef typename std::__are_same<_ValueType1, _ValueType2>::__type
	_SameType;
      return __check_sorted_set_aux(__first, __last, __pred, _SameType());
   }

// _GLIBCXX_RESOLVE_LIB_DEFECTS
  // 270. Binary search requirements overly strict
  // Determine if a sequence is partitioned w.r.t. this element.
  template<typename _ForwardIterator, typename _Tp>
    inline bool
    __check_partitioned_lower(_ForwardIterator __first,
			      _ForwardIterator __last, const _Tp& __value)
    {
      while (__first != __last && *__first < __value)
	++__first;
      if (__first != __last)
	{
	  ++__first;
	  while (__first != __last && !(*__first < __value))
	    ++__first;
	}
      return __first == __last;
    }

template<typename _ForwardIterator, typename _Tp>
    inline bool
    __check_partitioned_upper(_ForwardIterator __first,
			      _ForwardIterator __last, const _Tp& __value)
    {
      while (__first != __last && !(__value < *__first))
	++__first;
      if (__first != __last)
	{
	  ++__first;
	  while (__first != __last && __value < *__first)
	    ++__first;
	}
      return __first == __last;
    }

// Determine if a sequence is partitioned w.r.t. this element.
  template<typename _ForwardIterator, typename _Tp, typename _Pred>
    inline bool
    __check_partitioned_lower(_ForwardIterator __first,
			      _ForwardIterator __last, const _Tp& __value,
			      _Pred __pred)
    {
      while (__first != __last && bool(__pred(*__first, __value)))
	++__first;
      if (__first != __last)
	{
	  ++__first;
	  while (__first != __last && !bool(__pred(*__first, __value)))
	    ++__first;
	}
      return __first == __last;
    }

template<typename _ForwardIterator, typename _Tp, typename _Pred>
    inline bool
    __check_partitioned_upper(_ForwardIterator __first,
			      _ForwardIterator __last, const _Tp& __value,
			      _Pred __pred)
    {
      while (__first != __last && !bool(__pred(__value, *__first)))
	++__first;
      if (__first != __last)
	{
	  ++__first;
	  while (__first != __last && bool(__pred(__value, *__first)))
	    ++__first;
	}
      return __first == __last;
    }

#if __cplusplus >= 201103L
  struct _Irreflexive_checker
  {
    template<typename _It>
      static typename std::iterator_traits<_It>::reference
      __ref();

template<typename _It,
	     typename = decltype(__ref<_It>() < __ref<_It>())>
      static bool
      _S_is_valid(_It __it)
      { return !(*__it < *__it); }

// Fallback method if operator doesn't exist.
    template<typename... _Args>
      static bool
      _S_is_valid(_Args...)
      { return true; }

template<typename _It, typename _Pred, typename
	= decltype(std::declval<_Pred>()(__ref<_It>(), __ref<_It>()))>
      static bool
      _S_is_valid_pred(_It __it, _Pred __pred)
      { return !__pred(*__it, *__it); }

// Fallback method if predicate can't be invoked.
    template<typename... _Args>
      static bool
      _S_is_valid_pred(_Args...)
      { return true; }
  };

template<typename _Iterator>
    inline bool
    __is_irreflexive(_Iterator __it)
    { return _Irreflexive_checker::_S_is_valid(__it); }

template<typename _Iterator, typename _Pred>
    inline bool
    __is_irreflexive_pred(_Iterator __it, _Pred __pred)
    { return _Irreflexive_checker::_S_is_valid_pred(__it, __pred); }
#endif

} // namespace __gnu_debug

#endif