This file is indexed.

/usr/include/dcmtk/oflog/helpers/pointer.h is in libdcmtk-dev 3.6.2-3build3.

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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
// -*- C++ -*-
// Module:  Log4CPLUS
// File:    pointer.h
// Created: 6/2001
// Author:  Tad E. Smith
//
//
// Copyright 2001-2010 Tad E. Smith
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//
// Note: Some of this code uses ideas from "More Effective C++" by Scott
// Myers, Addison Wesley Longmain, Inc., (c) 1996, Chapter 29, pp. 183-213
//

/** @file */

#ifndef DCMTK_LOG4CPLUS_HELPERS_POINTERS_HEADER_
#define DCMTK_LOG4CPLUS_HELPERS_POINTERS_HEADER_

#include "dcmtk/oflog/config.h"

#if defined (DCMTK_LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif

#include "dcmtk/oflog/thread/syncprim.h"
#include <algorithm>
#include <cassert>
#if ! defined (DCMTK_LOG4CPLUS_SINGLE_THREADED) \
    && defined (DCMTK_LOG4CPLUS_HAVE_CXX11_ATOMICS)
#include <atomic>
#endif


namespace dcmtk {
namespace log4cplus {
    namespace helpers {

        /******************************************************************************
         *                       Class SharedObject (from pp. 204-205)                *
         ******************************************************************************/

        class DCMTK_LOG4CPLUS_EXPORT SharedObject
        {
        public:
            void addReference() const;
            void removeReference() const;

        protected:
          // Ctor
            SharedObject()
                : access_mutex()
                , count(0)
            { }

            SharedObject(const SharedObject&)
                : access_mutex()
                , count(0)
            { }

          // Dtor
            virtual ~SharedObject();

          // Operators
            SharedObject& operator=(const SharedObject&) { return *this; }

        public:
            thread::Mutex access_mutex;

        private:
#if defined (DCMTK_LOG4CPLUS_SINGLE_THREADED)
            typedef unsigned count_type;
#elif defined (DCMTK_LOG4CPLUS_HAVE_CXX11_ATOMICS)
            typedef STD_NAMESPACE atomic<unsigned> count_type;
#elif defined (_WIN32) || defined (__CYGWIN__)
            typedef long count_type;
#else
            typedef unsigned count_type;
#endif
            mutable count_type count;
        };


        /******************************************************************************
         *           Template Class SharedObjectPtr (from pp. 203, 206)               *
         ******************************************************************************/
        template<class T>
        class SharedObjectPtr
        {
        public:
            // Ctor
            explicit
            SharedObjectPtr(T* realPtr = 0)
                : pointee(realPtr)
            {
                addref ();
            }

            SharedObjectPtr(const SharedObjectPtr& rhs)
                : pointee(rhs.pointee)
            {
                addref ();
            }

#if defined (DCMTK_LOG4CPLUS_HAVE_RVALUE_REFS)
            SharedObjectPtr(SharedObjectPtr && rhs)
                : pointee (STD_NAMESPACE move (rhs.pointee))
            {
                rhs.pointee = 0;
            }

            SharedObjectPtr & operator = (SharedObjectPtr && rhs)
            {
                rhs.swap (*this);
                return *this;
            }
#endif

            // Dtor
            ~SharedObjectPtr()
            {
                if (pointee)
                    pointee->removeReference();
            }

            // Operators
            bool operator==(const SharedObjectPtr& rhs) const { return (pointee == rhs.pointee); }
            bool operator!=(const SharedObjectPtr& rhs) const { return (pointee != rhs.pointee); }
            bool operator==(const T* rhs) const { return (pointee == rhs); }
            bool operator!=(const T* rhs) const { return (pointee != rhs); }
            T* operator->() const {assert (pointee); return pointee; }
            T& operator*() const {assert (pointee); return *pointee; }

            SharedObjectPtr& operator=(const SharedObjectPtr& rhs)
            {
                return this->operator = (rhs.pointee);
            }

            SharedObjectPtr& operator=(T* rhs)
            {
                SharedObjectPtr<T> (rhs).swap (*this);
                return *this;
            }

          // Methods
            T* get() const { return pointee; }

            void swap (SharedObjectPtr & other) throw ()
            {
                T* tmp = pointee;
                pointee = other.pointee;
                other.pointee = tmp;
            }

            typedef T * (SharedObjectPtr:: * unspec_bool_type) () const;
            operator unspec_bool_type () const
            {
                return pointee ? &SharedObjectPtr::get : 0;
            }

            bool operator ! () const
            {
                return ! pointee;
            }

        private:
          // Methods
            void addref() const
            {
                if (pointee)
                    pointee->addReference();
            }

          // Data
            T* pointee;
        };

    } // end namespace helpers
} // end namespace log4cplus
} // end namespace dcmtk


#endif // DCMTK_LOG4CPLUS_HELPERS_POINTERS_HEADER_