1/*
2 *
3 * Copyright (c) 1997
4 * Moscow Center for SPARC Technology
5 *
6 * Copyright (c) 1999
7 * Boris Fomitchev
8 *
9 * This material is provided "as is", with absolutely no warranty expressed
10 * or implied. Any use is at your own risk.
11 *
12 * Permission to use or copy this software for any purpose is hereby granted
13 * without fee, provided the above notices are retained on all copies.
14 * Permission to modify the code and to distribute modified code is granted,
15 * provided the above notices are retained, and a notice that the code was
16 * modified is included with the above copyright notice.
17 *
18 */
19
20#ifndef _STLP_DEBUG_C
21#define _STLP_DEBUG_C
22
23#if defined (_STLP_DEBUG)
24#if defined (_STLP_THREADS)
25#  if !defined (_STLP_NEED_MUTABLE)
26#    define _STLP_ACQUIRE_LOCK(_Lock) _Lock._M_acquire_lock();
27#    define _STLP_RELEASE_LOCK(_Lock) _Lock._M_release_lock();
28#  else
29#    define _STLP_ACQUIRE_LOCK(_Lock) ((_STLP_mutex&)_Lock)._M_acquire_lock();
30#    define _STLP_RELEASE_LOCK(_Lock) ((_STLP_mutex&)_Lock)._M_release_lock();
31#  endif /* _STLP_NEED_MUTABLE */
32#else
33#  define _STLP_ACQUIRE_LOCK(_Lock)
34#  define _STLP_RELEASE_LOCK(_Lock)
35#endif /* _STLP_THREADS */
36
37_STLP_BEGIN_NAMESPACE
38_STLP_MOVE_TO_PRIV_NAMESPACE
39
40//==========================================================
41//  global non-inline functions
42//==========================================================
43// [ i1, i2)
44#if !defined (__DMC__)
45template <class _Iterator>
46inline bool  _STLP_CALL
47stlp_in_range_aux(const _Iterator& __it, const _Iterator& __first,
48                  const _Iterator& __last, const random_access_iterator_tag &) {
49    return ( __it >= __first &&
50             __it < __last);
51}
52#endif
53
54template <class _Iterator1, class _Iterator>
55#if defined (_STLP_MSVC)
56inline bool _STLP_CALL  stlp_in_range_aux(_Iterator1 __it, const _Iterator& __first,
57#else
58inline bool _STLP_CALL  stlp_in_range_aux(const _Iterator1& __it, const _Iterator& __first,
59#endif
60                                          const _Iterator& __last, const forward_iterator_tag &) {
61  _Iterator1 __i(__first);
62  for (;  __i != __last && __i != __it; ++__i);
63  return (__i != __last);
64}
65
66#if defined (_STLP_NONTEMPL_BASE_MATCH_BUG)
67template <class _Iterator1, class _Iterator>
68inline bool  _STLP_CALL
69stlp_in_range_aux(const _Iterator1& __it, const _Iterator& __first,
70                  const _Iterator& __last, const bidirectional_iterator_tag &) {
71  _Iterator1 __i(__first);
72  for (;  __i != __last && __i != __it; ++__i);
73  return (__i != __last);
74}
75#endif
76
77template <class _Iterator>
78bool _STLP_CALL __check_range_aux(const _Iterator& __first, const _Iterator& __last,
79                                  const __false_type& /*_IsIntegral*/) {
80  _STLP_VERBOSE_RETURN(__valid_range(__first,__last), _StlMsg_INVALID_RANGE )
81  return true;
82}
83
84template <class _Integral>
85bool _STLP_CALL __check_range_aux(_Integral /*__first*/, _Integral /*__last*/,
86                                  const __true_type& /*_IsIntegral*/)
87{ return true; }
88
89template <class _Iterator>
90bool _STLP_CALL  __check_range(const _Iterator& __first, const _Iterator& __last) {
91  typedef typename _IsIntegral<_Iterator>::_Ret _Integral;
92  return __check_range_aux(__first, __last, _Integral());
93}
94
95template <class _Iterator>
96bool _STLP_CALL  __check_range(const _Iterator& __it,
97                               const _Iterator& __start, const _Iterator& __finish) {
98  _STLP_VERBOSE_RETURN(stlp_in_range(__it, __start, __finish),
99                       _StlMsg_NOT_IN_RANGE_1)
100  return true;
101}
102
103template <class _Iterator>
104bool _STLP_CALL  __check_range(const _Iterator& __first, const _Iterator& __last,
105                               const _Iterator& __start, const _Iterator& __finish) {
106  _STLP_VERBOSE_RETURN(stlp_in_range(__first, __last, __start, __finish),
107                       _StlMsg_NOT_IN_RANGE_2)
108  return true;
109}
110
111template <class _Tp>
112bool _STLP_CALL __check_ptr_range(const _Tp* __first, const _Tp* __last) {
113  _STLP_VERBOSE_RETURN((__first != 0 || __last == 0), _StlMsg_INVALID_ARGUMENT)
114  _STLP_VERBOSE_RETURN(__valid_range(__first, __last, random_access_iterator_tag()),
115                       _StlMsg_INVALID_RANGE)
116  return true;
117}
118
119//===============================================================
120template <class _Iterator>
121void _STLP_CALL __invalidate_range(const __owned_list* __base,
122                                   const _Iterator& __first,
123                                   const _Iterator& __last) {
124  typedef __owned_link _L_type;
125  _STLP_ACQUIRE_LOCK(__base->_M_lock)
126  _L_type* __prev = __CONST_CAST(_L_type*, &__base->_M_node);
127  _L_type* __pos = __prev->_M_next;
128
129  while (__pos != 0) {
130    if (!(&__first == __STATIC_CAST(_Iterator*, __pos) || &__last == __STATIC_CAST(_Iterator*, __pos)) &&
131        stlp_in_range_aux(__STATIC_CAST(_Iterator*, __pos)->_M_iterator,
132                          __first._M_iterator, __last._M_iterator,
133                          _STLP_ITERATOR_CATEGORY(__first, _Iterator))) {
134      __pos->_M_owner = 0;
135      __prev->_M_next = __pos->_M_next;
136    }
137    else {
138      __prev = __pos;
139    }
140    __pos = __prev->_M_next;
141  }
142  _STLP_RELEASE_LOCK(__base->_M_lock)
143}
144
145template <class _Iterator>
146void _STLP_CALL __invalidate_iterator(const __owned_list* __base,
147                                      const _Iterator& __it) {
148  typedef __owned_link   _L_type;
149  _STLP_ACQUIRE_LOCK(__base->_M_lock)
150  _L_type* __prev = __CONST_CAST(_L_type*, &__base->_M_node);
151  _L_type* __pos = __prev->_M_next;
152  while (__pos != 0) {
153    // this requires safe iterators to be derived from __owned_link
154    if ((__pos != __STATIC_CAST(const _L_type*, &__it)) &&
155        (__STATIC_CAST(_Iterator*, __pos)->_M_iterator == __it._M_iterator)) {
156      __pos->_M_owner = 0;
157      __prev->_M_next = __pos->_M_next;
158    }
159    else {
160      __prev = __pos;
161    }
162    __pos = __prev->_M_next;
163  }
164  _STLP_RELEASE_LOCK(__base->_M_lock)
165}
166
167template <class _Iterator>
168void _STLP_CALL  __change_range_owner(const _Iterator& __first,
169                                      const _Iterator& __last,
170                                      const __owned_list* __dst) {
171  if (__first._Owner() == __dst)
172    return;
173
174  typedef __owned_link _L_type;
175  // Check __stl_debug_engine<_Dummy>::_Swap_owners comments to see why there is no lock here
176  //_STLP_ACQUIRE_LOCK(__base->_M_lock)
177  __owned_list *__base = __CONST_CAST(__owned_list*, __first._Owner());
178  _L_type* __src_prev = &__base->_M_node;
179  _L_type* __pos = __src_prev->_M_next;
180  _L_type* __dst_prev = __CONST_CAST(_L_type*, &__dst->_M_node);
181
182  while (__pos != 0) {
183    if (!(&__first == __STATIC_CAST(_Iterator*, __pos) || &__last == __STATIC_CAST(_Iterator*, __pos)) &&
184        stlp_in_range_aux(__STATIC_CAST(_Iterator*, __pos)->_M_iterator,
185                          __first._M_iterator, __last._M_iterator,
186                          _STLP_ITERATOR_CATEGORY(__first, _Iterator))) {
187      __pos->_M_owner = __CONST_CAST(__owned_list*, __dst);
188      //remove __pos from __base:
189      __src_prev->_M_next = __pos->_M_next;
190      //add __pos to __dst:
191      __pos->_M_next = __dst_prev->_M_next;
192      __dst_prev->_M_next = __pos;
193    }
194    else {
195      __src_prev = __pos;
196    }
197    __pos = __src_prev->_M_next;
198  }
199
200#if defined(_STLP_WCE) && defined(_ARM_)
201  // Note: This part is needed for compiling under Windows CE under ARM and correctly using
202  // _STLP_DEBUG mode. This comes from a bug in the ARM compiler where checked iterators that
203  // are passed by value are not copied over correctly. When __change_range_owner is called,
204  // e.g. in std::list::splice() the wrong _M_owner field gets modified and the __first
205  // iterator has the old _M_owner field, but was moved to the new __owned_list. Setting
206  // the first iterator's _M_owner field fixes this. Ugly but works.
207  __pos = __CONST_CAST(_Iterator*, &__first);
208  __pos->_M_owner = __CONST_CAST(__owned_list*, __dst);
209#endif
210  //_STLP_RELEASE_LOCK(__base->_M_lock)
211}
212
213template <class _Iterator>
214void _STLP_CALL __change_ite_owner(const _Iterator& __it,
215                                   const __owned_list* __dst) {
216  if (__it._Owner() == __dst)
217    return;
218
219  typedef __owned_link _L_type;
220  // Check __stl_debug_engine<_Dummy>::_Swap_owners comments to see why there is no lock here
221  //_STLP_ACQUIRE_LOCK(__base->_M_lock)
222  __owned_list *__base = __CONST_CAST(__owned_list*, __it._Owner());
223  _L_type* __prev = &__base->_M_node;
224  _L_type* __pos = __prev->_M_next;
225  _L_type* __dst_prev = __CONST_CAST(_L_type*, &__dst->_M_node);
226
227  while (__pos != 0) {
228    // this requires safe iterators to be derived from __owned_link
229    if ((__pos != __STATIC_CAST(const _L_type*, &__it)) &&
230        (__STATIC_CAST(_Iterator*, __pos)->_M_iterator == __it._M_iterator)) {
231      __pos->_M_owner = __CONST_CAST(__owned_list*, __dst);
232      //remove __pos from __base:
233      __prev->_M_next = __pos->_M_next;
234      //add __pos to __dst:
235      __pos->_M_next = __dst_prev->_M_next;
236      __dst_prev->_M_next = __pos;
237    }
238    else {
239      __prev = __pos;
240    }
241    __pos = __prev->_M_next;
242  }
243  //_STLP_RELEASE_LOCK(__base->_M_lock)
244}
245
246_STLP_MOVE_TO_STD_NAMESPACE
247_STLP_END_NAMESPACE
248
249#endif /* _STLP_DEBUG */
250
251#if defined (_STLP_EXPOSE_GLOBALS_IMPLEMENTATION)
252
253#  ifndef _STLP_INTERNAL_CSTDLIB
254#    include <stl/_cstdlib.h>
255#  endif
256
257//==========================================================
258// .c section
259//  owned_list non-inline methods and global functions
260//==========================================================
261
262#  if defined (_STLP_ASSERTIONS)
263
264_STLP_BEGIN_NAMESPACE
265_STLP_MOVE_TO_PRIV_NAMESPACE
266
267#    if !defined (_STLP_STRING_LITERAL)
268#      define _STLP_STRING_LITERAL(__x) __x
269#    endif
270
271#    if defined (_STLP_USE_WIDE_INTERFACE)
272// note: WinCE needs this to format single-byte strings in __stl_debug_engine::_Message
273#      define _STLP_PERCENT_S "%hs"
274#    else
275#      define _STLP_PERCENT_S "%s"
276#    endif /* _STLP_USE_WIDE_INTERFACE */
277
278#    define _STLP_MESSAGE_TABLE_BODY = { \
279_STLP_STRING_LITERAL("\n" _STLP_PERCENT_S "(%d): STL error: " _STLP_PERCENT_S "\n"), \
280_STLP_STRING_LITERAL(_STLP_PERCENT_S "(%d): STL assertion failure : " _STLP_PERCENT_S "\n" _STLP_ASSERT_MSG_TRAILER), \
281_STLP_STRING_LITERAL("\n" _STLP_PERCENT_S "(%d): STL error : " _STLP_PERCENT_S "\n" _STLP_PERCENT_S "(%d): STL assertion failure:     " _STLP_PERCENT_S " \n" _STLP_ASSERT_MSG_TRAILER), \
282_STLP_STRING_LITERAL("Invalid argument to operation (see operation documentation)"),                  \
283_STLP_STRING_LITERAL("Taking an iterator out of destroyed (or otherwise corrupted) container"),       \
284_STLP_STRING_LITERAL("Trying to extract an object out from empty container"),\
285_STLP_STRING_LITERAL("Past-the-end iterator could not be erased"),  \
286_STLP_STRING_LITERAL("Index out of bounds"),  \
287_STLP_STRING_LITERAL("Container doesn't own the iterator"),  \
288_STLP_STRING_LITERAL("Container is owner of the iterator, but should not"),  \
289_STLP_STRING_LITERAL("Uninitialized or invalidated (by mutating operation) iterator used"),  \
290_STLP_STRING_LITERAL("Uninitialized or invalidated (by mutating operation) lefthand iterator in expression"),  \
291_STLP_STRING_LITERAL("Uninitialized or invalidated (by mutating operation) righthand iterator in expression"),  \
292_STLP_STRING_LITERAL("Iterators used in expression are from different owners"),  \
293_STLP_STRING_LITERAL("Iterator could not be dereferenced (past-the-end ?)"),  \
294_STLP_STRING_LITERAL("Range [first,last) is invalid"),  \
295_STLP_STRING_LITERAL("Iterator is not in range [first,last)"),  \
296_STLP_STRING_LITERAL("Range [first,last) is not in range [start,finish)"),  \
297_STLP_STRING_LITERAL("The advance would produce invalid iterator"),  \
298_STLP_STRING_LITERAL("Iterator is singular (advanced beyond the bounds ?)"),  \
299_STLP_STRING_LITERAL("Invalid strict weak ordering predicate, if pred(a, b) then we should have !pred(b, a)"), \
300_STLP_STRING_LITERAL("Invalid equivalent predicate, if pred(a, b) then we should have pred(b, a)"), \
301_STLP_STRING_LITERAL("Memory block deallocated twice"),  \
302_STLP_STRING_LITERAL("Deallocating a block that was never allocated"),  \
303_STLP_STRING_LITERAL("Deallocating a memory block allocated for another type"),  \
304_STLP_STRING_LITERAL("Size of block passed to deallocate() doesn't match block size"),  \
305_STLP_STRING_LITERAL("Pointer underrun - safety margin at front of memory block overwritten"),  \
306_STLP_STRING_LITERAL("Pointer overrrun - safety margin at back of memory block overwritten"),   \
307_STLP_STRING_LITERAL("Attempt to dereference null pointer returned by auto_ptr::get()"),   \
308_STLP_STRING_LITERAL("Memory allocation function returned a wrongly align memory block"),   \
309_STLP_STRING_LITERAL("Unknown problem") \
310  }
311
312template <class _Dummy>
313const char* __stl_debug_engine<_Dummy>::_Message_table[_StlMsg_MAX] _STLP_MESSAGE_TABLE_BODY;
314
315#    undef _STLP_STRING_LITERAL
316#    undef _STLP_PERCENT_S
317
318_STLP_MOVE_TO_STD_NAMESPACE
319_STLP_END_NAMESPACE
320
321#  if !defined (_STLP_DEBUG_MESSAGE)
322#    ifndef _STLP_INTERNAL_CSTDARG
323#      include <stl/_cstdarg.h>
324#    endif
325#    ifndef _STLP_INTERNAL_CSTDIO
326#      include <stl/_cstdio.h>
327#    endif
328#    if defined (_STLP_DEBUG_MODE_THROWS) && !defined (_STLP_RANGE_ERRORS_H)
329#      include <stl/_range_errors.h>
330#    endif
331
332_STLP_BEGIN_NAMESPACE
333_STLP_MOVE_TO_PRIV_NAMESPACE
334
335template <class _Dummy>
336void _STLP_CALL
337__stl_debug_engine<_Dummy>::_Message(const char * __format_str, ...) {
338  STLPORT_CSTD::va_list __args;
339  va_start( __args, __format_str );
340
341#      if !defined (_STLP_DEBUG_MODE_THROWS)
342#        if defined (_STLP_USE_WIDE_INTERFACE)
343  TCHAR __buffer[512];
344  int _convert = strlen(__format_str) + 1;
345  LPWSTR _lpw = (LPWSTR)alloca(_convert * sizeof(wchar_t));
346  _lpw[0] = '\0';
347  MultiByteToWideChar(GetACP(), 0, __format_str, -1, _lpw, _convert);
348  wvsprintf(__buffer, _lpw, __args);
349  _STLP_WINCE_TRACE(__buffer);
350#        elif defined (_STLP_WIN32) && (defined(_STLP_MSVC) || defined (__ICL))
351  char __buffer [4096];
352
353#          if !defined (_STLP_USE_SAFE_STRING_FUNCTIONS)
354  vsnprintf(__buffer, _STLP_ARRAY_SIZE(__buffer), __format_str, __args);
355#          else
356  vsnprintf_s(__buffer, _STLP_ARRAY_SIZE(__buffer), _TRUNCATE, __format_str, __args);
357#          endif
358
359  OutputDebugStringA(__buffer);
360
361#        elif defined (__amigaos__)
362  STLPORT_CSTD::vfprintf(stderr, __format_str, (char *)__args);
363#        else
364  STLPORT_CSTD::vfprintf(stderr, __format_str, __args);
365#        endif
366#      else
367  char __buffer[4096];
368
369#        if defined (_STLP_USE_SAFE_STRING_FUNCTIONS)
370  vsnprintf_s(__buffer, _STLP_ARRAY_SIZE(__buffer), _TRUNCATE, __format_str, __args);
371#        elif defined (_STLP_WIN32) && (defined(_STLP_MSVC) || defined (__ICL))
372  vsnprintf(__buffer, _STLP_ARRAY_SIZE(__buffer), __format_str, __args);
373#        else
374  vsprintf(__buffer, __format_str, __args);
375#        endif
376#      endif
377
378#      ifdef _STLP_DEBUG_MESSAGE_POST
379  _STLP_DEBUG_MESSAGE_POST
380#      endif
381
382  va_end(__args);
383
384#      if defined (_STLP_DEBUG_MODE_THROWS)
385  __stl_throw_runtime_error(__buffer);
386#      endif
387}
388
389_STLP_MOVE_TO_STD_NAMESPACE
390_STLP_END_NAMESPACE
391
392#    else
393_STLP_BEGIN_NAMESPACE
394_STLP_MOVE_TO_PRIV_NAMESPACE
395template <class _Dummy>
396void _STLP_CALL
397__stl_debug_engine<_Dummy>::_Message(const char * __format_str, ...)
398{}
399_STLP_MOVE_TO_STD_NAMESPACE
400_STLP_END_NAMESPACE
401#    endif /* _STLP_DEBUG_MESSAGE */
402
403_STLP_BEGIN_NAMESPACE
404_STLP_MOVE_TO_PRIV_NAMESPACE
405
406template <class _Dummy>
407void _STLP_CALL
408__stl_debug_engine<_Dummy>::_IndexedError(int __error_ind, const char* __f, int __l) {
409  __stl_debug_message(_Message_table[_StlFormat_ERROR_RETURN],
410                      __f, __l, _Message_table[__error_ind]);
411}
412
413template <class _Dummy>
414void _STLP_CALL
415__stl_debug_engine<_Dummy>::_VerboseAssert(const char* __expr, int __error_ind, const char* __f, int __l) {
416  __stl_debug_message(_Message_table[_StlFormat_VERBOSE_ASSERTION_FAILURE],
417                      __f, __l, _Message_table[__error_ind], __f, __l, __expr);
418  __stl_debug_terminate();
419}
420
421template <class _Dummy>
422void _STLP_CALL
423__stl_debug_engine<_Dummy>::_Assert(const char* __expr, const char* __f, int __l) {
424  __stl_debug_message(_Message_table[_StlFormat_ASSERTION_FAILURE],__f, __l, __expr);
425  __stl_debug_terminate();
426}
427
428// if exceptions are present, sends unique exception
429// if not, calls abort() to terminate
430template <class _Dummy>
431void _STLP_CALL
432__stl_debug_engine<_Dummy>::_Terminate()
433{ _STLP_ABORT(); }
434
435_STLP_MOVE_TO_STD_NAMESPACE
436_STLP_END_NAMESPACE
437
438#  endif /* _STLP_ASSERTIONS */
439
440#  if defined (_STLP_DEBUG)
441
442_STLP_BEGIN_NAMESPACE
443_STLP_MOVE_TO_PRIV_NAMESPACE
444
445//==========================================================
446//  owned_list non-inline methods
447//==========================================================
448
449template <class _Dummy>
450void  _STLP_CALL
451__stl_debug_engine<_Dummy>::_Invalidate_all(__owned_list* __l) {
452  _STLP_ACQUIRE_LOCK(__l->_M_lock);
453  _Stamp_all(__l, 0);
454  __l->_M_node._M_next =0;
455  _STLP_RELEASE_LOCK(__l->_M_lock);
456}
457
458// boris : this is unasafe routine; should be used from within critical section only !
459template <class _Dummy>
460void  _STLP_CALL
461__stl_debug_engine<_Dummy>::_Stamp_all(__owned_list* __l, __owned_list* __o) {
462  // crucial
463  if (__l->_M_node._M_owner) {
464    for (__owned_link*  __pos = (__owned_link*)__l->_M_node._M_next;
465      __pos != 0; __pos = (__owned_link*)__pos->_M_next) {
466      _STLP_ASSERT(__pos->_Owner()== __l)
467      __pos->_M_owner=__o;
468    }
469  }
470}
471
472template <class _Dummy>
473void  _STLP_CALL
474__stl_debug_engine<_Dummy>::_Verify(const __owned_list* __l) {
475  _STLP_ACQUIRE_LOCK(__l->_M_lock);
476  if (__l) {
477    _STLP_ASSERT(__l->_M_node._Owner() != 0)
478    for (__owned_link* __pos = (__owned_link*)__l->_M_node._M_next;
479         __pos != 0; __pos = (__owned_link*)__pos->_M_next) {
480      _STLP_ASSERT(__pos->_Owner()== __l)
481    }
482  }
483  _STLP_RELEASE_LOCK(__l->_M_lock);
484}
485
486template <class _Dummy>
487void _STLP_CALL
488__stl_debug_engine<_Dummy>::_Swap_owners(__owned_list& __x, __owned_list& __y) {
489  /*
490   *  according to the standard : --no swap() function invalidates any references,
491   *  pointers,  or  iterators referring to the elements of the containers being swapped.
492   */
493
494  __owned_link* __tmp;
495
496  /*
497   * boris : there is a deadlock potential situation here if we lock two containers sequentially.
498   * As user is supposed to provide its own synchronization around swap() ( it is unsafe to do any container/iterator access
499   * in parallel with swap()), we just do not use any locking at all -- that behaviour is closer to non-debug version
500   */
501
502  __tmp = __x._M_node._M_next;
503
504  _Stamp_all(&__x, &__y);
505  _Stamp_all(&__y, &__x);
506
507  __x._M_node._M_next = __y._M_node._M_next;
508  __y._M_node._M_next = __tmp;
509}
510
511template <class _Dummy>
512void _STLP_CALL
513__stl_debug_engine<_Dummy>::_Set_owner(__owned_list& __src, __owned_list& __dst) {
514  if (&__src == &__dst)
515    return;
516
517  // Check __stl_debug_engine<_Dummy>::_Swap_owners comments to see why there is no lock here
518  typedef __owned_link _L_type;
519  _L_type* __prev = &__src._M_node;
520  _L_type* __pos = __prev->_M_next;
521
522  while (__pos != 0) {
523    __pos->_M_owner = &__dst;
524    __prev = __pos;
525    __pos = __prev->_M_next;
526  }
527  __prev->_M_next = __dst._M_node._M_next;
528  __dst._M_node._M_next = __src._M_node._M_next;
529  __src._M_node._M_next = 0;
530}
531
532template <class _Dummy>
533void _STLP_CALL
534__stl_debug_engine<_Dummy>::_M_detach(__owned_list* __l, __owned_link* __c_node) {
535  if (__l  != 0) {
536
537    _STLP_VERBOSE_ASSERT(__l->_Owner()!=0, _StlMsg_INVALID_CONTAINER)
538
539    _STLP_ACQUIRE_LOCK(__l->_M_lock)
540      // boris : re-test the condition in case someone else already deleted us
541      if(__c_node->_M_owner != 0) {
542        __owned_link* __prev, *__next;
543
544        for (__prev = &__l->_M_node; (__next = __prev->_M_next) != __c_node;
545             __prev = __next) {
546          _STLP_ASSERT(__next && __next->_Owner() == __l)
547            }
548
549        __prev->_M_next = __c_node->_M_next;
550        __c_node->_M_owner=0;
551      }
552    _STLP_RELEASE_LOCK(__l->_M_lock)
553  }
554}
555
556template <class _Dummy>
557void _STLP_CALL
558__stl_debug_engine<_Dummy>::_M_attach(__owned_list* __l, __owned_link* __c_node) {
559  if (__l ==0) {
560    (__c_node)->_M_owner = 0;
561  } else {
562    _STLP_VERBOSE_ASSERT(__l->_Owner()!=0, _StlMsg_INVALID_CONTAINER)
563    _STLP_ACQUIRE_LOCK(__l->_M_lock)
564    __c_node->_M_owner = __l;
565    __c_node->_M_next = __l->_M_node._M_next;
566    __l->_M_node._M_next = __c_node;
567    _STLP_RELEASE_LOCK(__l->_M_lock)
568  }
569}
570
571template <class _Dummy>
572void* _STLP_CALL
573__stl_debug_engine<_Dummy>::_Get_container_ptr(const __owned_link* __l) {
574  const __owned_list* __owner    = __l->_Owner();
575  _STLP_VERBOSE_RETURN_0(__owner != 0, _StlMsg_INVALID_ITERATOR)
576  void* __ret = __CONST_CAST(void*,__owner->_Owner());
577  _STLP_VERBOSE_RETURN_0(__ret !=0, _StlMsg_INVALID_CONTAINER)
578  return __ret;
579}
580
581template <class _Dummy>
582bool _STLP_CALL
583__stl_debug_engine<_Dummy>::_Check_same_owner(const __owned_link& __i1,
584                                              const __owned_link& __i2) {
585  _STLP_VERBOSE_RETURN(__i1._Valid(), _StlMsg_INVALID_LEFTHAND_ITERATOR)
586  _STLP_VERBOSE_RETURN(__i2._Valid(), _StlMsg_INVALID_RIGHTHAND_ITERATOR)
587  _STLP_VERBOSE_RETURN((__i1._Owner() == __i2._Owner()), _StlMsg_DIFFERENT_OWNERS)
588  return true;
589}
590
591template <class _Dummy>
592bool _STLP_CALL
593__stl_debug_engine<_Dummy>::_Check_same_or_null_owner(const __owned_link& __i1,
594                                                      const __owned_link& __i2) {
595  _STLP_VERBOSE_RETURN(__i1._Owner() == __i2._Owner(), _StlMsg_DIFFERENT_OWNERS)
596  return true;
597}
598
599template <class _Dummy>
600bool _STLP_CALL
601__stl_debug_engine<_Dummy>::_Check_if_owner( const __owned_list * __l, const __owned_link& __it) {
602  const __owned_list* __owner_ptr = __it._Owner();
603  _STLP_VERBOSE_RETURN(__owner_ptr != 0, _StlMsg_INVALID_ITERATOR)
604  _STLP_VERBOSE_RETURN(__l == __owner_ptr, _StlMsg_NOT_OWNER)
605  return true;
606}
607
608template <class _Dummy>
609bool _STLP_CALL
610__stl_debug_engine<_Dummy>::_Check_if_not_owner( const __owned_list * __l, const __owned_link& __it) {
611  const __owned_list* __owner_ptr = __it._Owner();
612  _STLP_VERBOSE_RETURN(__owner_ptr != 0, _StlMsg_INVALID_ITERATOR)
613  _STLP_VERBOSE_RETURN(__l != __owner_ptr, _StlMsg_SHOULD_NOT_OWNER)
614  return true;
615}
616
617_STLP_MOVE_TO_STD_NAMESPACE
618_STLP_END_NAMESPACE
619
620#  endif /* _STLP_DEBUG */
621
622#endif /* if defined (EXPOSE_GLOBALS_IMPLEMENTATION) */
623
624#endif /* header guard */
625
626// Local Variables:
627// mode:C++
628// End:
629