This file is indexed.

/usr/include/ace/Unbounded_Queue.cpp is in libace-dev 6.2.8+dfsg-1.

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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
// $Id: Unbounded_Queue.cpp 96985 2013-04-11 15:50:32Z huangh $

#ifndef ACE_UNBOUNDED_QUEUE_CPP
#define ACE_UNBOUNDED_QUEUE_CPP

#include "ace/Unbounded_Queue.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

#if !defined (__ACE_INLINE__)
#include "ace/Unbounded_Queue.inl"
#endif /* __ACE_INLINE__ */

#include "ace/Malloc_Base.h"
#include "ace/Log_Category.h"
#include "ace/os_include/os_errno.h"

ACE_BEGIN_VERSIONED_NAMESPACE_DECL

ACE_ALLOC_HOOK_DEFINE(ACE_Unbounded_Queue)

template <class T>
ACE_Unbounded_Queue<T>::ACE_Unbounded_Queue (ACE_Allocator *alloc)
  : head_ (0),
    cur_size_ (0),
    allocator_ (alloc)
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::ACE_Unbounded_Queue (void)");

  if (this->allocator_ == 0)
    this->allocator_ = ACE_Allocator::instance ();

  ACE_NEW_MALLOC (this->head_,
                  (ACE_Node<T> *) this->allocator_->malloc (sizeof (ACE_Node<T>)),
                  ACE_Node<T>);
  // Make the list circular by pointing it back to itself.
  this->head_->next_ = this->head_;
}

template <class T>
ACE_Unbounded_Queue<T>::ACE_Unbounded_Queue (const ACE_Unbounded_Queue<T> &us)
  : head_ (0),
    cur_size_ (0),
    allocator_ (us.allocator_)
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::ACE_Unbounded_Queue");

  if (this->allocator_ == 0)
    this->allocator_ = ACE_Allocator::instance ();

  ACE_NEW_MALLOC (this->head_,
                  (ACE_Node<T> *) this->allocator_->malloc (sizeof (ACE_Node<T>)),
                  ACE_Node<T>);
  this->head_->next_ = this->head_;
  this->copy_nodes (us);
}

template <class T> void
ACE_Unbounded_Queue<T>::operator= (const ACE_Unbounded_Queue<T> &us)
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::operator=");

  if (this != &us)
    {
      this->delete_nodes ();
      this->copy_nodes (us);
    }
}

template <class T> ACE_Unbounded_Queue_Iterator<T>
ACE_Unbounded_Queue<T>::begin (void)
{
  // ACE_TRACE ("ACE_Unbounded_Queue<T>::begin");
  return ACE_Unbounded_Queue_Iterator<T> (*this);
}

template <class T> ACE_Unbounded_Queue_Iterator<T>
ACE_Unbounded_Queue<T>::end (void)
{
  // ACE_TRACE ("ACE_Unbounded_Queue<T>::end");
  return ACE_Unbounded_Queue_Iterator<T> (*this, 1);
}

template <class T> void
ACE_Unbounded_Queue<T>::dump (void) const
{
#if defined (ACE_HAS_DUMP)
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::dump");

  ACELIB_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
  ACELIB_DEBUG ((LM_DEBUG,  ACE_TEXT ("\nhead_ = %u"), this->head_));
  ACELIB_DEBUG ((LM_DEBUG,  ACE_TEXT ("\nhead_->next_ = %u"), this->head_->next_));
  ACELIB_DEBUG ((LM_DEBUG,  ACE_TEXT ("\ncur_size_ = %d\n"), this->cur_size_));

  T *item = 0;
#if !defined (ACE_NLOGGING)
  size_t count = 1;
#endif /* ! ACE_NLOGGING */

  for (ACE_Unbounded_Queue_Iterator<T> iter (*(ACE_Unbounded_Queue<T> *) this);
       iter.next (item) != 0;
       iter.advance ())
    ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("count = %d\n"), count++));

  ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_HAS_DUMP */
}

template <class T> void
ACE_Unbounded_Queue<T>::copy_nodes (const ACE_Unbounded_Queue<T> &us)
{
  for (ACE_Node<T> *curr = us.head_->next_;
       curr != us.head_;
       curr = curr->next_)
    if (this->enqueue_tail (curr->item_) == -1)
      // @@ What's the right thing to do here?
      this->delete_nodes ();
}

template <class T> void
ACE_Unbounded_Queue<T>::delete_nodes (void)
{
  for (ACE_Node<T> *curr = this->head_->next_;
       // Keep looking until we've hit the dummy node.
       curr != this->head_;
       )
    {
      ACE_Node<T> *temp = curr;
      curr = curr->next_;

      ACE_DES_FREE_TEMPLATE (temp,
                             this->allocator_->free,
                             ACE_Node,
                             <T>);
      --this->cur_size_;
      // @@ Doesnt make sense to have this check since
      // this will always be true.
      //   ACE_ASSERT (this->cur_size_ >= 0);
    }

  // Reset the list to be a circular list with just a dummy node.
  this->head_->next_ = this->head_;
}

template <class T>
ACE_Unbounded_Queue<T>::~ACE_Unbounded_Queue (void)
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::~ACE_Unbounded_Queue (void)");

  this->delete_nodes ();
  ACE_DES_FREE_TEMPLATE (head_,
                         this->allocator_->free,
                         ACE_Node,
                         <T>);
}

template <class T> int
ACE_Unbounded_Queue<T>::enqueue_head (const T &new_item)
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::enqueue_head");

  ACE_Node<T> *temp = 0;

  // Create a new node that points to the original head.
  ACE_NEW_MALLOC_RETURN (temp,
                         static_cast<ACE_Node<T> *> (this->allocator_->malloc (sizeof (ACE_Node<T>))),
                         ACE_Node<T> (new_item, this->head_->next_),
                         -1);
  // Link this pointer into the front of the list.  Note that the
  // "real" head of the queue is <head_->next_>, whereas <head_> is
  // just a pointer to the dummy node.
  this->head_->next_ = temp;

  ++this->cur_size_;
  return 0;
}

template <class T> int
ACE_Unbounded_Queue<T>::enqueue_tail (const T &new_item)
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::enqueue_tail");

  // Insert <item> into the old dummy node location.  Note that this
  // isn't actually the "head" item in the queue, it's a dummy node at
  // the "tail" of the queue...
  this->head_->item_ = new_item;

  ACE_Node<T> *temp = 0;

  // Create a new dummy node.
  ACE_NEW_MALLOC_RETURN (temp,
                         static_cast<ACE_Node<T> *> (this->allocator_->malloc (sizeof (ACE_Node<T>))),
                         ACE_Node<T> (this->head_->next_),
                         -1);
  // Link this dummy pointer into the list.
  this->head_->next_ = temp;

  // Point the head to the new dummy node.
  this->head_ = temp;

  ++this->cur_size_;
  return 0;
}

template <class T> int
ACE_Unbounded_Queue<T>::dequeue_head (T &item)
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::dequeue_head");

  // Check for empty queue.
  if (this->is_empty ())
    return -1;

  ACE_Node<T> *temp = this->head_->next_;

  item = temp->item_;
  this->head_->next_ = temp->next_;
  ACE_DES_FREE_TEMPLATE (temp,
                         this->allocator_->free,
                         ACE_Node,
                         <T>);
  --this->cur_size_;
  return 0;
}

template <class T> void
ACE_Unbounded_Queue<T>::reset (void)
{
  ACE_TRACE ("reset");

  this->delete_nodes ();
}

template <class T> int
ACE_Unbounded_Queue<T>::get (T *&item, size_t slot) const
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::get");

  ACE_Node<T> *curr = this->head_->next_;

  size_t i;

  for (i = 0; i < this->cur_size_; i++)
    {
      if (i == slot)
        break;

      curr = curr->next_;
    }

  if (i < this->cur_size_)
    {
      item = &curr->item_;
      return 0;
    }
  else
    return -1;
}

template <class T> int
ACE_Unbounded_Queue<T>::set (const T &item,
                             size_t slot)
{
  //   ACE_TRACE ("ACE_Unbounded_Queue<T>::set");

  ACE_Node<T> *curr = this->head_->next_;

  size_t i;

  for (i = 0;
       i < slot && i < this->cur_size_;
       ++i)
    curr = curr->next_;

  if (i < this->cur_size_)
    {
      // We're in range, so everything's cool.
      curr->item_ = item;
      return 0;
    }
  else
    {
      // We need to expand the list.

      // A common case will be increasing the set size by 1.
      // Therefore, we'll optimize for this case.
      if (i == slot)
        {
          // Try to expand the size of the set by 1.
          if (this->enqueue_tail (item) == -1)
            return -1;
          else
            return 0;
        }
      else
        {
          T const dummy = T ();

          // We need to expand the list by multiple (dummy) items.
          for (; i < slot; ++i)
            {
              // This head points to the existing dummy node, which is
              // about to be overwritten when we add the new dummy
              // node.
              curr = this->head_;

              // Try to expand the size of the set by 1, but don't
              // store anything in the dummy node (yet).
              if (this->enqueue_tail (dummy) == -1)
                return -1;
            }

          curr->item_ = item;
          return 0;
        }
    }
}

// ****************************************************************

template <class T> void
ACE_Unbounded_Queue_Const_Iterator<T>::dump (void) const
{
#if defined (ACE_HAS_DUMP)
  // ACE_TRACE ("ACE_Unbounded_Queue_Const_Iterator<T>::dump");
#endif /* ACE_HAS_DUMP */
}

template <class T>
ACE_Unbounded_Queue_Const_Iterator<T>::ACE_Unbounded_Queue_Const_Iterator (const ACE_Unbounded_Queue<T> &q, int end)
  : current_ (end == 0 ? q.head_->next_ : q.head_ ),
    queue_ (q)
{
  // ACE_TRACE ("ACE_Unbounded_Queue_Const_Iterator<T>::ACE_Unbounded_Queue_Const_Iterator");
}

template <class T> int
ACE_Unbounded_Queue_Const_Iterator<T>::advance (void)
{
  // ACE_TRACE ("ACE_Unbounded_Queue_Const_Iterator<T>::advance");
  this->current_ = this->current_->next_;
  return this->current_ != this->queue_.head_;
}

template <class T> int
ACE_Unbounded_Queue_Const_Iterator<T>::first (void)
{
  // ACE_TRACE ("ACE_Unbounded_Queue_Const_Iterator<T>::first");
  this->current_ = this->queue_.head_->next_;
  return this->current_ != this->queue_.head_;
}

template <class T> int
ACE_Unbounded_Queue_Const_Iterator<T>::done (void) const
{
  ACE_TRACE ("ACE_Unbounded_Queue_Const_Iterator<T>::done");

  return this->current_ == this->queue_.head_;
}

template <class T> int
ACE_Unbounded_Queue_Const_Iterator<T>::next (T *&item)
{
  // ACE_TRACE ("ACE_Unbounded_Queue_Const_Iterator<T>::next");
  if (this->current_ == this->queue_.head_)
    return 0;
  else
    {
      item = &this->current_->item_;
      return 1;
    }
}

// ****************************************************************

template <class T> void
ACE_Unbounded_Queue_Iterator<T>::dump (void) const
{
#if defined (ACE_HAS_DUMP)
  // ACE_TRACE ("ACE_Unbounded_Queue_Iterator<T>::dump");
#endif /* ACE_HAS_DUMP */
}

template <class T>
ACE_Unbounded_Queue_Iterator<T>::ACE_Unbounded_Queue_Iterator (ACE_Unbounded_Queue<T> &q, int end)
  : current_ (end == 0 ? q.head_->next_ : q.head_ ),
    queue_ (q)
{
  // ACE_TRACE ("ACE_Unbounded_Queue_Iterator<T>::ACE_Unbounded_Queue_Iterator");
}

template <class T> int
ACE_Unbounded_Queue_Iterator<T>::advance (void)
{
  // ACE_TRACE ("ACE_Unbounded_Queue_Iterator<T>::advance");
  this->current_ = this->current_->next_;
  return this->current_ != this->queue_.head_;
}

template <class T> int
ACE_Unbounded_Queue_Iterator<T>::first (void)
{
  // ACE_TRACE ("ACE_Unbounded_Queue_Iterator<T>::first");
  this->current_ = this->queue_.head_->next_;
  return this->current_ != this->queue_.head_;
}

template <class T> int
ACE_Unbounded_Queue_Iterator<T>::done (void) const
{
  ACE_TRACE ("ACE_Unbounded_Queue_Iterator<T>::done");

  return this->current_ == this->queue_.head_;
}

template <class T> int
ACE_Unbounded_Queue_Iterator<T>::next (T *&item)
{
  // ACE_TRACE ("ACE_Unbounded_Queue_Iterator<T>::next");
  if (this->current_ == this->queue_.head_)
    return 0;
  else
    {
      item = &this->current_->item_;
      return 1;
    }
}

ACE_END_VERSIONED_NAMESPACE_DECL

#endif /* ACE_UNBOUNDED_QUEUE_CPP */