summaryrefslogtreecommitdiffstats
path: root/fortran/src/H5Rff.f90
blob: de4f5f044e5e63859e9c35d0fb7d67f31f0897a5 (plain)
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
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
!   Copyright by The HDF Group.                                               *
!   Copyright by the Board of Trustees of the University of Illinois.         *
!   All rights reserved.                                                      *
!                                                                             *
!   This file is part of HDF5.  The full HDF5 copyright notice, including     *
!   terms governing use, modification, and redistribution, is contained in    *
!   the files COPYING and Copyright.html.  COPYING can be found at the root   *
!   of the source code distribution tree; Copyright.html can be found at the  *
!   root level of an installed copy of the electronic HDF5 document set and   *
!   is linked from the top-level documents page.  It can also be found at     *
!   http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
!   access to either file, you may request a copy from help@hdfgroup.org.     *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
!
!
! This file contains Fortran90 interfaces for H5R functions.
! 
      MODULE H5R
        USE H5GLOBAL

! If you change the value of these parameters, do not forget to change corresponding
! values in the H5f90.h file. 
!        INTEGER, PARAMETER :: REF_OBJ_BUF_LEN = 2 
!        INTEGER, PARAMETER :: REF_REG_BUF_LEN = 3 
!
!        TYPE hobj_ref_t_f
!             INTEGER ref(REF_OBJ_BUF_LEN)  
!        END TYPE 
!
!        TYPE hdset_reg_ref_t_f
!             INTEGER ref(REF_REG_BUF_LEN) 
!        END TYPE 
!
          INTERFACE h5rcreate_f

            MODULE PROCEDURE h5rcreate_object_f
            MODULE PROCEDURE h5rcreate_region_f 

          END INTERFACE 
          
          INTERFACE h5rdereference_f

            MODULE PROCEDURE h5rdereference_object_f
            MODULE PROCEDURE h5rdereference_region_f 

          END INTERFACE 
          
          INTERFACE h5rget_region_f

            MODULE PROCEDURE h5rget_region_region_f 

          END INTERFACE 
          
          INTERFACE h5rget_object_type_f

            MODULE PROCEDURE h5rget_object_type_obj_f

          END INTERFACE 
          
          INTERFACE h5rget_name_f

            MODULE PROCEDURE h5rget_name_object_f
            MODULE PROCEDURE h5rget_name_region_f 

          END INTERFACE 

        CONTAINS
          
!----------------------------------------------------------------------
! Name:		h5rcreate_object_f 
!
! Purpose: 	Creates reference to the object
!
! Inputs:  
!		loc_id		- location identifier
!		name		- name of the object at the specified location
! Outputs:  
!		ref		- reference to the specified object
!		hdferr:		- error code		
!				 	Success:  0
!				 	Failure: -1   
! Optional parameters:
!				NONE
!
! Programmer:	Elena Pourmal
!		August 12, 1999	
!
! Modifications: 	Explicit Fortran interfaces were added for 
!			called C functions (it is needed for Windows
!			port).  February 28, 2001 
!
! Comment:		This is a module procedure for the h5rcreate_f 
!			subroutine.		
!----------------------------------------------------------------------
  
          SUBROUTINE h5rcreate_object_f(loc_id, name, ref, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: loc_id   ! Location identifier 
            CHARACTER(LEN=*), INTENT(IN) :: name   ! Name of the object at location specified
                                                   ! by loc_id identifier 
            TYPE(hobj_ref_t_f), INTENT(OUT) :: ref   ! Object reference 
            INTEGER, INTENT(OUT) :: hdferr         ! Error code 

            INTEGER :: namelen                     ! Name length
            INTEGER(HADDR_T) :: ref_f              ! Local buffer to pass reference

!            INTEGER, EXTERNAL :: h5fcreate_object_c
!  Interface is needed for MS FORTRAN
!
            INTERFACE
              INTEGER FUNCTION h5rcreate_object_c(ref_f, loc_id, name, namelen)
              USE H5GLOBAL
              !DEC$ IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ ATTRIBUTES C,reference,decorate,alias:'H5RCREATE_OBJECT_C':: h5rcreate_object_c
              !DEC$ ENDIF
              !DEC$ATTRIBUTES reference :: name 
              INTEGER(HADDR_T) :: ref_f
              INTEGER(HID_T), INTENT(IN) :: loc_id  
              CHARACTER(LEN=*), INTENT(IN) :: name
              INTEGER :: namelen
              END FUNCTION h5rcreate_object_c
            END INTERFACE

            namelen = LEN(name)
            ref_f = 0
            hdferr = h5rcreate_object_c(ref_f, loc_id, name, namelen )
            ref%ref = ref_f
        
          END SUBROUTINE h5rcreate_object_f
          
!----------------------------------------------------------------------
! Name:		h5rcreate_region_f 
!
! Purpose: 	Creates r eference to the dataset region
!
! Inputs:  
!		loc_id		- location identifier
!		name		- name of the dataset at the specified location
!		space_id	- dataspace identifier that describes selected region
! Outputs:  
!		ref		- reference to the dataset region
!		hdferr:		- error code		
!				 	Success:  0
!				 	Failure: -1   
! Optional parameters:
!				NONE
!
! Programmer:	Elena Pourmal
!		August 12, 1999	
!
! Modifications: 	Explicit Fortran interfaces were added for 
!			called C functions (it is needed for Windows
!			port).  February 28, 2001 
!
! Comment:		This is a module procedure for the h5rcreate_f 
!			subroutine.		
!----------------------------------------------------------------------
  
          SUBROUTINE h5rcreate_region_f(loc_id, name, space_id, ref, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: loc_id   ! Location identifier 
            CHARACTER(LEN=*), INTENT(IN) :: name   ! Name of the dataset at location specified
                                                   ! by loc_id identifier 
            INTEGER(HID_T), INTENT(IN) :: space_id ! Dataset's dataspace identifier 
            TYPE(hdset_reg_ref_t_f), INTENT(OUT) :: ref ! Dataset region reference 
            INTEGER, INTENT(OUT) :: hdferr         ! Error code 

            INTEGER :: namelen                     ! Name length
            INTEGER :: ref_f(REF_REG_BUF_LEN)          ! Local buffer to pass reference

!            INTEGER, EXTERNAL :: h5fcreate_region_c
!  Interface is needed for MS FORTRAN
!
            INTERFACE
              INTEGER FUNCTION h5rcreate_region_c(ref_f, loc_id, name, namelen, space_id)
              USE H5GLOBAL
              !DEC$ IF DEFINED(HDF5F90_WINDOWS)
              !DEC$ ATTRIBUTES C,reference,decorate,alias:'H5RCREATE_REGION_C':: h5rcreate_region_c
              !DEC$ ENDIF
              !DEC$ATTRIBUTES reference :: name 
!              INTEGER, PARAMETER :: REF_REG_BUF_LEN = 3 
              INTEGER :: ref_f(REF_REG_BUF_LEN)
              INTEGER(HID_T), INTENT(IN) :: loc_id  
              CHARACTER(LEN=*), INTENT(IN) :: name
              INTEGER :: namelen
              INTEGER(HID_T), INTENT(IN) :: space_id 
              END FUNCTION h5rcreate_region_c
            END INTERFACE

            namelen = LEN(name)
            ref_f = 0
            hdferr = h5rcreate_region_c(ref_f, loc_id, name, namelen, space_id )
            ref%ref = ref_f

          END SUBROUTINE h5rcreate_region_f
          
!----------------------------------------------------------------------
! Name:		h5rdereference_object_f
!
! Purpose: 	Opens the HDF5 object referenced
!
! Inputs:  
!		dset_id		- identifier of the dataset containing 
!				  reference		
!		ref		- reference to open
! Outputs:  
!		obj_id		- object_identifier
!		hdferr:		- error code		
!				 	Success:  0
!				 	Failure: -1   
! Optional parameters:
!				NONE
!
! Programmer:	Elena Pourmal
!		August 12, 1999	
!
! Modifications: 	Explicit Fortran interfaces were added for 
!			called C functions (it is needed for Windows
!			port).  February 28, 2001 
!
! Comment:		This is a module procedure for the h5rdereference_f 
!			subroutine.		
!----------------------------------------------------------------------
  
          
          SUBROUTINE h5rdereference_object_f(dset_id, ref, obj_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: dset_id   ! Dataset identifier 
            TYPE(hobj_ref_t_f), INTENT(IN) :: ref   ! Object reference 
            INTEGER(HID_T), INTENT(OUT) :: obj_id   ! Object identifier 
            INTEGER, INTENT(OUT) :: hdferr         ! Error code 

            INTEGER(HADDR_T) :: ref_f          ! Local buffer to pass reference

!            INTEGER, EXTERNAL :: h5h5rdereference_object_c
!  Interface is needed for MS FORTRAN
!
            INTERFACE
              INTEGER FUNCTION h5rdereference_object_c(dset_id, ref_f, obj_id)
              USE H5GLOBAL
              !DEC$ IF DEFINED(HDF5F90_WINDOWS)
           !DEC$ ATTRIBUTES C,reference,decorate,alias:'H5RDEREFERENCE_OBJECT_C':: h5rdereference_object_c
              !DEC$ ENDIF
!              INTEGER, PARAMETER :: REF_OBJ_BUF_LEN = 2
              INTEGER(HID_T), INTENT(IN) :: dset_id  
              INTEGER(HADDR_T) :: ref_f
              INTEGER(HID_T), INTENT(OUT) :: obj_id 
              END FUNCTION h5rdereference_object_c
            END INTERFACE

            ref_f = ref%ref
            hdferr = h5rdereference_object_c(dset_id, ref_f, obj_id )

          END SUBROUTINE h5rdereference_object_f
          
!----------------------------------------------------------------------
! Name:		h5rdereference_region_f
!
! Purpose: 	Opens the dataset region
!
! Inputs:  
!		dset_id		- identifier of the dataset containing 
!				  reference to teh regions		
!		ref		- reference to open
! Outputs:  
!		obj_id		- dataspace identifier
!		hdferr:		- error code		
!				 	Success:  0
!				 	Failure: -1   
! Optional parameters:
!				NONE
!
! Programmer:	Elena Pourmal
!		August 12, 1999	
!
! Modifications: 	Explicit Fortran interfaces were added for 
!			called C functions (it is needed for Windows
!			port).  February 28, 2001 
!
! Comment:		This is a module procedure for the h5rdereference_f 
!			subroutine.		
!----------------------------------------------------------------------
  
          
          SUBROUTINE h5rdereference_region_f(dset_id, ref, obj_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: dset_id   ! Dataset identifier 
            TYPE(hdset_reg_ref_t_f), INTENT(IN) :: ref   ! Object reference 
            INTEGER(HID_T), INTENT(OUT) :: obj_id   ! Dataspace identifier 
            INTEGER, INTENT(OUT) :: hdferr          ! Error code 

            INTEGER :: ref_f(REF_REG_BUF_LEN)          ! Local buffer to pass reference

!            INTEGER, EXTERNAL :: h5rdereference_region_c
!  Interface is needed for MS FORTRAN
!
            INTERFACE
              INTEGER FUNCTION h5rdereference_region_c(dset_id, ref_f, obj_id)
              USE H5GLOBAL
              !DEC$ IF DEFINED(HDF5F90_WINDOWS)
           !DEC$ ATTRIBUTES C,reference,decorate,alias:'H5RDEREFERENCE_REGION_C':: h5rdereference_region_c
              !DEC$ ENDIF
              INTEGER(HID_T), INTENT(IN) :: dset_id  
!              INTEGER, PARAMETER :: REF_REG_BUF_LEN = 3 
              INTEGER :: ref_f(REF_REG_BUF_LEN)
              INTEGER(HID_T), INTENT(OUT) :: obj_id 
              END FUNCTION h5rdereference_region_c
            END INTERFACE

            ref_f = ref%ref
            hdferr = h5rdereference_region_c(dset_id, ref_f, obj_id )

          END SUBROUTINE h5rdereference_region_f
          
!----------------------------------------------------------------------
! Name:		h5rget_region_region_f
!
! Purpose: 	Retrieves a dataspace with the specified region selected
!
! Inputs:  
!		dset_id		- identifier of the dataset containing 
!				  reference to the regions		
!		ref		- reference to open
! Outputs:  
!		space_id	- dataspace identifier
!		hdferr:		- error code		
!				 	Success:  0
!				 	Failure: -1   
! Optional parameters:
!				NONE
!
! Programmer:	Elena Pourmal
!		August 12, 1999	
!
! Modifications: 	Explicit Fortran interfaces were added for 
!			called C functions (it is needed for Windows
!			port).  February 28, 2001 
!
! Comment:		This is a module procedure for the h5rget_region_f 
!			subroutine.		
!----------------------------------------------------------------------
  
          
          
          SUBROUTINE h5rget_region_region_f(dset_id, ref, space_id, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: dset_id   ! Dataset identifier 
            TYPE(hdset_reg_ref_t_f), INTENT(IN) :: ref   ! Dataset region reference 
            INTEGER(HID_T), INTENT(OUT) :: space_id   ! Space identifier 
            INTEGER, INTENT(OUT) :: hdferr          ! Error code 
            INTEGER :: ref_f(REF_REG_BUF_LEN)          ! Local buffer to pass reference

!            INTEGER, EXTERNAL :: h5rget_region_region_c
!  Interface is needed for MS FORTRAN
!
            INTERFACE
              INTEGER FUNCTION h5rget_region_region_c(dset_id, ref_f, space_id)
              USE H5GLOBAL
              !DEC$ IF DEFINED(HDF5F90_WINDOWS)
           !DEC$ ATTRIBUTES C,reference,decorate,alias:'H5RGET_REGION_REGION_C':: h5rget_region_region_c
              !DEC$ ENDIF
              INTEGER(HID_T), INTENT(IN) :: dset_id  
!              INTEGER, PARAMETER :: REF_REG_BUF_LEN = 3 
              INTEGER :: ref_f(REF_REG_BUF_LEN)
              INTEGER(HID_T), INTENT(OUT) :: space_id 
              END FUNCTION h5rget_region_region_c
            END INTERFACE

            ref_f = ref%ref
            hdferr = h5rget_region_region_c(dset_id, ref_f, space_id )

          END SUBROUTINE h5rget_region_region_f
          
!----------------------------------------------------------------------
! Name:		h5rget_object_type_obj_f
!
! Purpose: 	Retrieves the type of object that an object reference points to.	
!
! Inputs:  
!		dset_id		- identifier of the dataset containing 
!				  reference to the objects
!		ref		- reference to open
! Outputs:  
!		obj_type	- object_type, possible values:
!					  H5G_UNKNOWN_F     (-1)
!					  H5G_GROUP_F        0
!					  H5G_DATASET_F      1
! 					  H5G_TYPE_F         2
!					  H5G_LINK_F         3
!
!		hdferr:		- error code		
!				 	Success:  0
!				 	Failure: -1   
! Optional parameters:
!				NONE
!
! Programmer:	Elena Pourmal
!		August 12, 1999	
!
! Modifications: 	Explicit Fortran interfaces were added for 
!			called C functions (it is needed for Windows
!			port).  February 28, 2001 
!
! Comment:		This is a module procedure for the h5rget_object_type_f 
!			subroutine.		
!----------------------------------------------------------------------
  

          SUBROUTINE h5rget_object_type_obj_f(dset_id, ref, obj_type, hdferr)
            IMPLICIT NONE
            INTEGER(HID_T), INTENT(IN) :: dset_id   ! Dataset identifier 
            TYPE(hobj_ref_t_f), INTENT(IN) :: ref   ! Object reference 
            INTEGER, INTENT(OUT) :: obj_type   ! Object type  
                                               !  H5G_UNKNOWN_F     (-1)
                                               !  H5G_GROUP_F        0
                                               !  H5G_DATASET_F      1
                                               !  H5G_TYPE_F         2
                                               !  H5G_LINK_F         3

            INTEGER, INTENT(OUT) :: hdferr          ! Error code 
            INTEGER(HADDR_T) :: ref_f          ! Local buffer to pass reference

!            INTEGER, EXTERNAL :: h5rget_object_type_obj_c
!  Interface is needed for MS FORTRAN
!
            INTERFACE
              INTEGER FUNCTION h5rget_object_type_obj_c(dset_id, ref_f, obj_type)
              USE H5GLOBAL
              !DEC$ IF DEFINED(HDF5F90_WINDOWS)
           !DEC$ ATTRIBUTES C,reference,decorate,alias:'H5RGET_OBJECT_TYPE_OBJ_C':: h5rget_object_type_obj_c
              !DEC$ ENDIF
!              INTEGER, PARAMETER :: REF_OBJ_BUF_LEN = 2
              INTEGER(HID_T), INTENT(IN) :: dset_id  
              INTEGER(HADDR_T) :: ref_f
              INTEGER, INTENT(OUT) :: obj_type 
              END FUNCTION h5rget_object_type_obj_c
            END INTERFACE

            ref_f = ref%ref
            hdferr = h5rget_object_type_obj_c(dset_id, ref_f, obj_type )

          END SUBROUTINE h5rget_object_type_obj_f

!----------------------------------------------------------------------
! Name:		h5rget_name_object_f
!
! Purpose: 	Retrieves a name of a referenced object.
!
! Inputs:
!                   loc_id - Identifier for the dataset containing the reference or for the group that dataset is in.
!                      ref - An object or dataset region reference.
!
! Outputs:  
!                     name - A name associated with the referenced object or dataset region.
!
!		hdferr:    - error code		
!				 Success:  0
!				 Failure: -1   
! Optional parameters:
!                     size - The size of the name buffer.
!
! Programmer:	M.S. Breitenfeld
!		March 28, 2008
!
! Modifications: 
!
! Comment:		
!----------------------------------------------------------------------
  

  SUBROUTINE h5rget_name_object_f(loc_id,  ref, name, hdferr, size)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: loc_id   ! Identifier for the dataset containing the reference 
                                           ! or for the group that dataset is in.
    TYPE(hobj_ref_t_f), INTENT(IN) :: ref  ! Object reference
    INTEGER(SIZE_T), OPTIONAL, INTENT(OUT) :: size   ! The size of the name buffer,
                                           ! returning 0 (zero) if no name is associated with the identifier
    CHARACTER(LEN=*), INTENT(OUT) :: name  ! A name associated with the referenced object or dataset region.
    INTEGER, INTENT(OUT) :: hdferr         ! Error code 
    INTEGER(HADDR_T) :: ref_f              ! Local buffer to pass reference

    INTEGER(SIZE_T) :: size_default
    INTEGER(SIZE_T) :: name_len
    
    INTERFACE
       INTEGER FUNCTION h5rget_name_object_c(loc_id, ref_f, name, name_len, size_default)
         USE H5GLOBAL
         !DEC$ IF DEFINED(HDF5F90_WINDOWS)
         !DEC$ ATTRIBUTES C,reference,decorate,alias:'H5RGET_NAME_OBJECT_C':: h5rget_name_object_c
         !DEC$ ENDIF
         INTEGER(HID_T), INTENT(IN) :: loc_id
         INTEGER(SIZE_T)  :: size_default
         CHARACTER(LEN=*), INTENT(OUT) :: name
         INTEGER(HADDR_T) :: ref_f

         INTEGER(SIZE_T) :: name_len
       END FUNCTION h5rget_name_object_c
    END INTERFACE
    
    name_len=LEN(name)

    ref_f = ref%ref
    hdferr = h5rget_name_object_c(loc_id, ref_f, name, name_len, size_default)
    
    IF(PRESENT(size)) size = size_default
    
  END SUBROUTINE h5rget_name_object_f

!----------------------------------------------------------------------
! Name:		h5rget_name_region_f
!
! Purpose: 	Retrieves a name of a dataset region.
!
! Inputs:
!                   loc_id - Identifier for the dataset containing the reference or for the group that dataset is in.
!                      ref - An object or dataset region reference.
!
! Outputs:  
!                     name - A name associated with the referenced object or dataset region.
!
!		hdferr:    - error code		
!				 Success:  0
!				 Failure: -1   
! Optional parameters:
!                     size - The size of the name buffer.
!
! Programmer:	M.S. Breitenfeld
!		March 28, 2008
!
! Modifications: 
!
! Comment:		
!----------------------------------------------------------------------
  

  SUBROUTINE h5rget_name_region_f(loc_id, ref, name, hdferr, size)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN) :: loc_id   ! Identifier for the dataset containing the reference 
                                           ! or for the group that dataset is in.
    TYPE(hdset_reg_ref_t_f), INTENT(IN) :: ref  ! Object reference
    INTEGER(SIZE_T), OPTIONAL, INTENT(OUT) :: size   ! The size of the name buffer,
                                           ! returning 0 (zero) if no name is associated with the identifier
    CHARACTER(LEN=*), INTENT(OUT) :: name  ! A name associated with the referenced object or dataset region.
    INTEGER, INTENT(OUT) :: hdferr         ! Error code
 
    INTEGER :: ref_f(REF_REG_BUF_LEN)      ! Local buffer to pass reference
    INTEGER(SIZE_T) :: size_default
    INTEGER(SIZE_T) :: name_len
    
    INTERFACE
       INTEGER FUNCTION h5rget_name_region_c(loc_id, ref_f, name, name_len, size_default)
         USE H5GLOBAL
         !DEC$ IF DEFINED(HDF5F90_WINDOWS)
         !DEC$ ATTRIBUTES C,reference,decorate,alias:'H5RGET_NAME_REGION_C':: h5rget_name_region_c
         !DEC$ ENDIF
         INTEGER(HID_T), INTENT(IN) :: loc_id
         INTEGER(SIZE_T)  :: size_default
         CHARACTER(LEN=*), INTENT(OUT) :: name
         INTEGER :: ref_f(REF_REG_BUF_LEN)

         INTEGER(SIZE_T) :: name_len
       END FUNCTION h5rget_name_region_c
    END INTERFACE
    
    name_len=LEN(name)

    ref_f = ref%ref
    hdferr = h5rget_name_region_c(loc_id, ref_f, name, name_len, size_default)
    
    IF(PRESENT(size)) size = size_default
    
  END SUBROUTINE h5rget_name_region_f

END MODULE H5R