/usr/include/bullet/HACD/hacdCircularList.inl is in libbullet-extras-dev 2.83.6+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | #pragma once
#ifndef HACD_CIRCULAR_LIST_INL
#define HACD_CIRCULAR_LIST_INL
#include<stdlib.h>
#include "hacdVersion.h"
namespace HACD
{
template < typename T >
inline bool CircularList<T>::Delete(CircularListElement<T> * element)
{
if (!element)
{
return false;
}
if (m_size > 1)
{
CircularListElement<T> * next = element->GetNext();
CircularListElement<T> * prev = element->GetPrev();
delete element;
m_size--;
if (element == m_head)
{
m_head = next;
}
next->GetPrev() = prev;
prev->GetNext() = next;
return true;
}
else if (m_size == 1)
{
delete m_head;
m_size--;
m_head = 0;
return true;
}
else
{
return false;
}
}
template < typename T >
inline bool CircularList<T>::Delete()
{
if (m_size > 1)
{
CircularListElement<T> * next = m_head->GetNext();
CircularListElement<T> * prev = m_head->GetPrev();
delete m_head;
m_size--;
m_head = next;
next->GetPrev() = prev;
prev->GetNext() = next;
return true;
}
else if (m_size == 1)
{
delete m_head;
m_size--;
m_head = 0;
return true;
}
else
{
return false;
}
}
template < typename T >
inline CircularListElement<T> * CircularList<T>::Add(const T * data)
{
if (m_size == 0)
{
if (data)
{
m_head = new CircularListElement<T>(*data);
}
else
{
m_head = new CircularListElement<T>();
}
m_head->GetNext() = m_head->GetPrev() = m_head;
}
else
{
CircularListElement<T> * next = m_head->GetNext();
CircularListElement<T> * element = m_head;
if (data)
{
m_head = new CircularListElement<T>(*data);
}
else
{
m_head = new CircularListElement<T>;
}
m_head->GetNext() = next;
m_head->GetPrev() = element;
element->GetNext() = m_head;
next->GetPrev() = m_head;
}
m_size++;
return m_head;
}
template < typename T >
inline CircularListElement<T> * CircularList<T>::Add(const T & data)
{
const T * pData = &data;
return Add(pData);
}
template < typename T >
inline bool CircularList<T>::Next()
{
if (m_size == 0)
{
return false;
}
m_head = m_head->GetNext();
return true;
}
template < typename T >
inline bool CircularList<T>::Prev()
{
if (m_size == 0)
{
return false;
}
m_head = m_head->GetPrev();
return true;
}
template < typename T >
inline CircularList<T>::CircularList(const CircularList& rhs)
{
if (rhs.m_size > 0)
{
CircularListElement<T> * current = rhs.m_head;
do
{
current = current->GetNext();
Add(current->GetData());
}
while ( current != rhs.m_head );
}
}
template < typename T >
inline const CircularList<T>& CircularList<T>::operator=(const CircularList& rhs)
{
if (&rhs != this)
{
Clear();
if (rhs.m_size > 0)
{
CircularListElement<T> * current = rhs.m_head;
do
{
current = current->GetNext();
Add(current->GetData());
}
while ( current != rhs.m_head );
}
}
return (*this);
}
}
#endif
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