This file is indexed.

/usr/share/gobject-introspection-1.0/tests/annotation.c is in gobject-introspection 1.46.0-3ubuntu1.

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
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
#include "config.h"

#include "annotation.h"

char backslash_parsing_tester = '\\';

G_DEFINE_TYPE (RegressAnnotationObject, regress_annotation_object, G_TYPE_OBJECT);

enum {
  PROP_0,
  PROP_STRING_PROPERTY,
  PROP_FUNCTION_PROPERTY,
  PROP_TAB_PROPERTY
};

enum {
  STRING_SIGNAL,
  LIST_SIGNAL,
  DOC_EMPTY_ARG_PARSING,
  ATTRIBUTE_SIGNAL,
  LAST_SIGNAL
};

static guint regress_annotation_object_signals[LAST_SIGNAL] = { 0 };

static void
regress_annotation_object_set_property (GObject         *object,
                                        guint            prop_id,
                                        const GValue    *value,
                                        GParamSpec      *pspec)
{
  switch (prop_id)
    {
    case PROP_STRING_PROPERTY:
      break;
    case PROP_FUNCTION_PROPERTY:
      break;
    case PROP_TAB_PROPERTY:
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
    }
}

static void
regress_annotation_object_get_property (GObject         *object,
                                        guint            prop_id,
                                        GValue          *value,
                                        GParamSpec      *pspec)
{
  switch (prop_id)
    {
    case PROP_STRING_PROPERTY:
      break;
    case PROP_FUNCTION_PROPERTY:
      break;
    case PROP_TAB_PROPERTY:
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
    }
}

static void
regress_annotation_object_class_init (RegressAnnotationObjectClass *klass)
{
  GObjectClass *gobject_class;

  gobject_class = G_OBJECT_CLASS (klass);

  gobject_class->set_property = regress_annotation_object_set_property;
  gobject_class->get_property = regress_annotation_object_get_property;

  /**
   * RegressAnnotationObject::string-signal:
   * @regress_annotation: the regress_annotation object
   * @string: (type utf8): a string
   *
   * This is a signal which has a broken signal handler,
   * it says it's pointer but it's actually a string.
   *
   * Since: 1.0
   * Deprecated: 1.2: Use other-signal instead
   */
  regress_annotation_object_signals[STRING_SIGNAL] =
    g_signal_new ("string-signal",
		  G_OBJECT_CLASS_TYPE (gobject_class),
		  G_SIGNAL_RUN_LAST,
		  0,
		  NULL, NULL,
		  (GSignalCMarshaller)g_cclosure_marshal_VOID__POINTER,
		  G_TYPE_NONE, 1, G_TYPE_POINTER);

  /**
   * RegressAnnotationObject::list-signal:
   * @regress_annotation: the regress_annotation object
   * @list: (type GLib.List) (element-type utf8) (transfer container): a list of strings
   *
   * This is a signal which takes a list of strings, but it's not
   * known by GObject as it's only marked as G_TYPE_POINTER
   */
  regress_annotation_object_signals[LIST_SIGNAL] =
    g_signal_new ("list-signal",
		  G_OBJECT_CLASS_TYPE (gobject_class),
		  G_SIGNAL_RUN_LAST,
		  0,
		  NULL, NULL,
		  (GSignalCMarshaller)g_cclosure_marshal_VOID__POINTER,
		  G_TYPE_NONE, 1, G_TYPE_POINTER);

  /**
   * RegressAnnotationObject::doc-empty-arg-parsing:
   * @regress_annotation: the regress_annotation object
   * @arg1:
   *
   * This signal tests an empty document argument (@arg1)
   */
  regress_annotation_object_signals[DOC_EMPTY_ARG_PARSING] =
    g_signal_new ("doc-empty-arg-parsing",
		  G_OBJECT_CLASS_TYPE (gobject_class),
		  G_SIGNAL_RUN_LAST,
		  0,
		  NULL, NULL,
		  (GSignalCMarshaller)g_cclosure_marshal_VOID__POINTER,
		  G_TYPE_NONE, 1, G_TYPE_POINTER);

  /**
   * RegressAnnotationObject::attribute-signal:
   * @regress_annotation: the regress_annotation object
   * @arg1: (attributes some.annotation.foo1=val1): a value
   * @arg2: (attributes some.annotation.foo2=val2): another value
   *
   * This signal tests a signal with attributes.
   *
   * Returns: (attributes some.annotation.foo3=val3): the return value
   */
  regress_annotation_object_signals[ATTRIBUTE_SIGNAL] =
    g_signal_new ("attribute-signal",
		  G_OBJECT_CLASS_TYPE (gobject_class),
		  G_SIGNAL_RUN_LAST,
		  0,
		  NULL, NULL,
		  NULL, /* marshaller */
		  G_TYPE_STRING,
                  2,
                  G_TYPE_STRING,
                  G_TYPE_STRING);

  /**
   * RegressAnnotationObject:string-property:
   *
   * This is a property which is a string
   *
   * Since: 1.0
   * Deprecated: 1.2: Use better-string-property instead
   */
  g_object_class_install_property (gobject_class,
                                   PROP_STRING_PROPERTY,
                                   g_param_spec_string ("string-property",
                                                        "String property",
                                                        "This property is a string",
                                                        NULL,
                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
  /**
   * RegressAnnotationObject:function-property: (type RegressAnnotationCallback)
   */
  g_object_class_install_property (gobject_class,
                                   PROP_FUNCTION_PROPERTY,
                                   g_param_spec_pointer ("function-property",
                                                         "Function property",
                                                         "This property is a function pointer",
                                                         G_PARAM_READWRITE | G_PARAM_CONSTRUCT));

	  /**
	   * RegressAnnotationObject:tab-property:
	   *
	   * This is a property annotation intentionally indented with a mix
	   * of tabs and strings to test the tab handling capabilities of the scanner.
	   *
	   * Since: 1.2
	   */
  g_object_class_install_property (gobject_class,
                                   PROP_TAB_PROPERTY,
                                   g_param_spec_string ("tab-property",
                                                        "Tab property",
                                                        "This property is a thing",
                                                        NULL,
                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
}

static void
regress_annotation_object_init (RegressAnnotationObject *object)
{

}

/**
 * regress_annotation_object_method:
 * @object: a #GObject
 *
 * Return value: an int
 **/
gint
regress_annotation_object_method (RegressAnnotationObject *object)
{
  return 1;
}

/**
 * regress_annotation_object_out:
 * @object: a #GObject
 * @outarg: (out): This is an argument test
 *
 * This is a test for out arguments
 *
 * Return value: an int
 */
gint
regress_annotation_object_out (RegressAnnotationObject *object, int *outarg)
{
  *outarg = 2;
  return 1;
}

/**
 * regress_annotation_object_in:
 * @object: a #GObject
 * @inarg: (in) (transfer none): This is an argument test
 *
 * This is a test for in arguments
 *
 * Return value: an int
 */
gint
regress_annotation_object_in (RegressAnnotationObject *object, int *inarg)
{
  return *inarg;
}


/**
 * regress_annotation_object_inout:
 * @object: a #GObject
 * @inoutarg: (inout): This is an argument test
 *
 * This is a test for out arguments
 *
 * Return value: an int
 */
gint
regress_annotation_object_inout (RegressAnnotationObject *object, int *inoutarg)
{
  return *inoutarg += 1;
}

/**
 * regress_annotation_object_inout2:
 * @object: a #GObject
 * @inoutarg: (inout): This is an argument test
 *
 * This is a second test for out arguments
 *
 * Return value: an int
 */
gint
regress_annotation_object_inout2 (RegressAnnotationObject *object, int *inoutarg)
{
  return *inoutarg += 1;
}


/**
 * regress_annotation_object_inout3:
 * @object: a #GObject
 * @inoutarg: (inout) (allow-none): This is an argument test
 *
 * This is a 3th test for out arguments
 *
 * Return value: an int
 */
gint
regress_annotation_object_inout3 (RegressAnnotationObject *object, int *inoutarg)
{
  if (inoutarg)
    return *inoutarg + 1;
  return 1;
}

/**
 * regress_annotation_object_calleeowns:
 * @object: a #GObject
 * @toown: (out): a #GObject
 *
 * This is a test for out arguments; GObject defaults to transfer
 *
 * Return value: an int
 */
gint
regress_annotation_object_calleeowns (RegressAnnotationObject *object, GObject **toown)
{
  return 1;
}


/**
 * regress_annotation_object_calleesowns:
 * @object: a #GObject
 * @toown1: (out) (transfer full): a #GObject
 * @toown2: (out) (transfer none): a #GObject
 *
 * This is a test for out arguments, one transferred, other not
 *
 * Return value: an int
 */
gint
regress_annotation_object_calleesowns (RegressAnnotationObject *object,
                                       GObject **toown1,
                                       GObject **toown2)
{
  return 1;
}


/**
 * regress_annotation_object_get_strings:
 * @object: a #GObject
 *
 * This is a test for returning a list of strings, where
 * each string needs to be freed.
 *
 * Return value: (element-type utf8) (transfer full): list of strings
 */
GList*
regress_annotation_object_get_strings (RegressAnnotationObject *object)
{
  GList *list = NULL;
  list = g_list_prepend (list, g_strdup ("regress_annotation"));
  list = g_list_prepend (list, g_strdup ("bar"));
  return list;
}

/**
 * regress_annotation_object_get_hash:
 * @object: a #GObject
 *
 * This is a test for returning a hash table mapping strings to
 * objects.
 *
 * Return value: (element-type utf8 GObject) (transfer full): hash table
 */
GHashTable*
regress_annotation_object_get_hash (RegressAnnotationObject *object)
{
  GHashTable *hash = g_hash_table_new_full (g_str_hash, g_str_equal,
					    g_free, g_object_unref);
  g_hash_table_insert (hash, g_strdup ("one"), g_object_ref (object));
  g_hash_table_insert (hash, g_strdup ("two"), g_object_ref (object));
  return hash;
}

/**
 * regress_annotation_object_with_voidp:
 * @data: Opaque pointer handle
 */
void
regress_annotation_object_with_voidp (RegressAnnotationObject *object, void *data)
{

}

/**
 * regress_annotation_object_get_objects:
 * @object: a #GObject
 *
 * This is a test for returning a list of objects.
 * The list itself should be freed, but not the internal objects,
 * intentionally similar example to gtk_container_get_children
 *
 * Return value: (element-type RegressAnnotationObject) (transfer container): list of objects
 */
GSList*
regress_annotation_object_get_objects (RegressAnnotationObject *object)
{
  GSList *list = NULL;
  list = g_slist_prepend (list, object);
  return list;
}

/**
 * regress_annotation_object_create_object:
 * @object: a #GObject
 *
 * Test returning a caller-owned object
 *
 * Return value: (transfer full): The object
 **/
GObject*
regress_annotation_object_create_object (RegressAnnotationObject *object)
{
  return g_object_ref (object);
}

/**
 * regress_annotation_object_use_buffer:
 * @object: a #GObject
 *
 **/
void
regress_annotation_object_use_buffer   (RegressAnnotationObject *object,
                                        guchar           *bytes)
{

}

/**
 * regress_annotation_object_compute_sum:
 * @object: a #GObject
 * @nums: (array): Sequence of numbers
 *
 * Test taking a zero-terminated array
 **/
void
regress_annotation_object_compute_sum  (RegressAnnotationObject *object,
                                        int              *nums)
{

}

/**
 * regress_annotation_object_compute_sum_n:
 * @object: a #GObject
 * @nums: (array length=n_nums zero-terminated=0): Sequence of
 *   numbers that are zero-terminated
 * @n_nums: Length of number array
 *
 * Test taking an array with length parameter
 **/
void
regress_annotation_object_compute_sum_n(RegressAnnotationObject *object,
                                        int              *nums,
                                        int               n_nums)
{

}

/**
 * regress_annotation_object_compute_sum_nz:
 * @object: a #RegressAnnotationObject
 * @nums: (array length=n_nums zero-terminated): Sequence of numbers that
 * are zero-terminated
 * @n_nums: Length of number array
 *
 * Test taking a zero-terminated array with length parameter
 **/
void
regress_annotation_object_compute_sum_nz(RegressAnnotationObject *object,
                                         int             *nums,
                                         int              n_nums)
{

}

/**
 * regress_annotation_object_parse_args:
 * @object: a #RegressAnnotationObject
 * @argc: (inout): Length of the argument vector
 * @argv: (inout) (array length=argc zero-terminated=1): Argument vector
 *
 * Test taking a zero-terminated array with length parameter
 **/
void
regress_annotation_object_parse_args(RegressAnnotationObject *object,
                                     int              *argc,
                                     char           ***argv)
{

}

/**
 * regress_annotation_object_string_out:
 * @object: a #RegressAnnotationObject
 * @str_out: (out) (transfer full): string return value
 *
 * Test returning a string as an out parameter
 *
 * Returns: some boolean
 **/
gboolean
regress_annotation_object_string_out(RegressAnnotationObject *object,
                                     char            **str_out)
{
  return FALSE;
}

/**
 * regress_annotation_object_foreach:
 * @object: a #RegressAnnotationObject
 * @func: (scope call): Callback to invoke
 * @user_data: Callback user data
 *
 * Test taking a call-scoped callback
 **/
void
regress_annotation_object_foreach (RegressAnnotationObject *object,
                                   RegressAnnotationForeachFunc func,
                                   gpointer user_data)
{

}

/**
 * regress_annotation_object_set_data:
 * @object: a #RegressAnnotationObject
 * @data: (array length=length): The data
 * @length: Length of the data
 *
 * Test taking a guchar * with a length.
 **/
void
regress_annotation_object_set_data (RegressAnnotationObject *object,
                                    const guchar *data,
                                    gsize length)
{

}

/**
 * regress_annotation_object_set_data2:
 * @object: a #RegressAnnotationObject
 * @data: (array length=length) (element-type gint8): The data
 * @length: Length of the data
 *
 * Test taking a gchar * with a length.
 **/
void
regress_annotation_object_set_data2 (RegressAnnotationObject *object,
                                     const gchar *data,
                                     gsize length)
{

}

/**
 * regress_annotation_object_set_data3:
 * @object: a #RegressAnnotationObject
 * @data: (array length=length) (element-type guint8): The data
 * @length: Length of the data
 *
 * Test taking a gchar * with a length, overriding the array element
 * type.
 **/
void
regress_annotation_object_set_data3 (RegressAnnotationObject *object,
                                     gpointer data,
                                     gsize length)
{

}

/**
 * regress_annotation_object_allow_none:
 * @object: a #GObject
 * @somearg: (allow-none):
 *
 * Returns: (transfer none): %NULL always
 **/
GObject*
regress_annotation_object_allow_none (RegressAnnotationObject *object, const gchar *somearg)
{
  return NULL;
}

/**
 * regress_annotation_object_notrans:
 * @object: a #GObject
 *
 * Returns: (transfer none): An object, not referenced
 **/

GObject*
regress_annotation_object_notrans (RegressAnnotationObject *object)
{
  return NULL;
}

/**
 * regress_annotation_object_do_not_use:
 * @object: a #GObject
 *
 * Returns: (transfer none): %NULL always
 * Deprecated: 0.12: Use regress_annotation_object_create_object() instead.
 **/
GObject*
regress_annotation_object_do_not_use (RegressAnnotationObject *object)
{
  return NULL;
}

/**
 * regress_annotation_object_watch: (skip)
 * @object: A #RegressAnnotationObject
 * @func: The callback
 * @user_data: The callback data
 *
 * This is here just for the sake of being overriden by its
 * regress_annotation_object_watch_full().
 */
void
regress_annotation_object_watch (RegressAnnotationObject *object,
                                 RegressAnnotationForeachFunc func,
                                 gpointer user_data)
{
}

/**
 * regress_annotation_object_watch_full: (rename-to regress_annotation_object_watch)
 * @object: A #RegressAnnotationObject
 * @func: The callback
 * @user_data: The callback data
 * @destroy: Destroy notification
 *
 * Test overriding via the "Rename To" annotation.
 */
void
regress_annotation_object_watch_full (RegressAnnotationObject *object,
                                      RegressAnnotationForeachFunc func,
                                      gpointer user_data,
                                      GDestroyNotify destroy)
{
}

/**
 * regress_annotation_object_hidden_self:
 * @object: (type RegressAnnotationObject): A #RegressAnnotationObject
 **/
void
regress_annotation_object_hidden_self (gpointer object)
{
}

/**
 * regress_annotation_init:
 * @argc: (inout): The number of args.
 * @argv: (inout) (array length=argc): The arguments.
 **/
void
regress_annotation_init (int *argc, char ***argv)
{

}

/**
 * regress_annotation_return_array:
 * @length: (out): Number of return values
 *
 * Return value: (transfer full) (array length=length): The return value
 **/
char **
regress_annotation_return_array (int *length)
{
  return NULL;
}

/**
 * regress_annotation_string_zero_terminated:
 *
 * Return value: (transfer full) (array zero-terminated=1): The return value
 **/
char **
regress_annotation_string_zero_terminated (void)
{
  return NULL;
}

/**
 * regress_annotation_string_zero_terminated_out:
 * @out: (array zero-terminated=1) (inout):
 **/
void
regress_annotation_string_zero_terminated_out (char ***out)
{
}

/**
 * regress_annotation_versioned:
 *
 * Since: 0.6
 **/
void
regress_annotation_versioned (void)
{
}

/**
 * regress_annotation_string_array_length:
 * @n_properties:
 * @properties: (array length=n_properties) (element-type utf8):
 */
void
regress_annotation_string_array_length (guint n_properties, const gchar * const properties[])
{
}

/**
 * regress_annotation_object_extra_annos: (attributes org.foobar=testvalue)
 */
void
regress_annotation_object_extra_annos (RegressAnnotationObject *object)
{
}

/**
 * regress_annotation_custom_destroy:
 * @callback: (destroy destroy) (closure data): Destroy notification
 *
 * Test messing up the heuristic of closure/destroy-notification
 * detection, and fixing it via annotations.
 */
void
regress_annotation_custom_destroy (RegressAnnotationCallback callback,
                                   RegressAnnotationNotifyFunc destroy,
                                   gpointer data)
{
}

/**
 * regress_annotation_get_source_file:
 *
 * Return value: (type filename) (transfer full): Source file
 */
char *
regress_annotation_get_source_file (void)
{
  return NULL;
}

/**
 * regress_annotation_set_source_file:
 * @fname: (type filename): Source file
 *
 */
void
regress_annotation_set_source_file (const char *fname)
{
}

/**
 * regress_annotation_ptr_array:
 * @array: (element-type GObject.Value): the array
 */
void
regress_annotation_ptr_array (GPtrArray *array)
{
}

/**
 * regress_annotation_attribute_func:
 * @object: A #RegressAnnotationObject.
 * @data: (attributes some.annotation=value another.annotation=blahvalue): Some data.
 *
 * Returns: (attributes some.other.annotation=value2 yet.another.annotation=another_value): The return value.
 */
gint
regress_annotation_attribute_func (RegressAnnotationObject *object,
                                   const gchar      *data)
{
  return 42;
}

/**
 * regress_annotation_invalid_regress_annotation:
 * @foo: some text (e.g. example) or else
 */
void
regress_annotation_invalid_regress_annotation (int foo)
{

}


char backslash_parsing_tester_2 = '\\';


/**
 * regress_annotation_test_parsing_bug630862:
 *
 * See https://bugzilla.gnome.org/show_bug.cgi?id=630862
 *
 * Returns: (transfer none): An object, note the colon:in here
 */
GObject  *
regress_annotation_test_parsing_bug630862 (void)
{
  return NULL;
}


/**
 * regress_annotation_space_after_comment_bug631690:
 *
 * Explicitly test having a space after the ** here.
 */
void
regress_annotation_space_after_comment_bug631690 (void)
{
}

/**
 * regress_annotation_return_filename:
 *
 * Returns: (type filename): An annotated filename
 */
gchar*
regress_annotation_return_filename (void)
{
  return "a utf-8 filename";
}

/**
 * regress_annotation_transfer_floating:
 *
 * Returns: (transfer floating): A floating object
 */
GObject *
regress_annotation_transfer_floating(void)
{
  return NULL;
}