[svn-r27489] reverted merge of branch

1 files changed, 775 insertions, 0 deletions

diff --git a/fortran/src/H5Off.f90 b/fortran/src/H5Off.f90
new file mode 100644
index 0000000..8a40079
--- /dev/null
+++ b/fortran/src/H5Off.f90
@@ -0,0 +1,775 @@
+!****h* ROBODoc/H5O
+!
+! NAME
+!  MODULE H5O
+!
+! FILE
+!  fortran/src/H5Off.f90
+!
+! PURPOSE
+!  This file contains Fortran interfaces for H5O functions. It includes
+!  all the functions that are independent on whether the Fortran 2003 functions
+!  are enabled or disabled.
+!
+!
+! COPYRIGHT
+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+!   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.     *
+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+!
+! NOTES
+!                         *** IMPORTANT ***
+!  If you add a new H5O function you must add the function name to the
+!  Windows dll file 'hdf5_fortrandll.def.in' in the fortran/src directory.
+!  This is needed for Windows based operating systems.
+!
+!*****
+
+MODULE H5O
+
+  USE H5GLOBAL
+
+CONTAINS
+
+!****s* H5O/h5olink_f
+!
+! NAME
+!  h5olink_f
+!
+! PURPOSE
+!  Creates a hard link to an object in an HDF5 file.
+!
+! Inputs:
+!  object_id 	 - Object to be linked.
+!  new_loc_id 	 - File or group identifier specifying location at which object is to be linked.
+!  new_link_name - Name of link to be created, relative to new_loc_id.
+!
+! Outputs:
+!  hdferr        - Returns 0 if successful and -1 if fails.
+!
+! Optional parameters:
+!  lcpl_id 	 - Link creation property list identifier.
+!  lapl_id 	 - Link access property list identifier.
+!
+! AUTHOR
+!  M. Scot Breitenfeld
+!  April 21, 2008
+!
+! Fortran90 Interface:
+  SUBROUTINE h5olink_f(object_id, new_loc_id, new_link_name, hdferr, lcpl_id, lapl_id)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)  :: object_id
+    INTEGER(HID_T)  , INTENT(IN)  :: new_loc_id
+    CHARACTER(LEN=*), INTENT(IN)  :: new_link_name
+    INTEGER         , INTENT(OUT) :: hdferr
+    INTEGER(HID_T)  , INTENT(IN), OPTIONAL :: lcpl_id
+    INTEGER(HID_T)  , INTENT(IN), OPTIONAL :: lapl_id
+!*****
+    INTEGER(HID_T) :: lapl_id_default
+    INTEGER(HID_T) :: lcpl_id_default
+
+    INTEGER(SIZE_T) :: new_link_namelen
+
+    INTERFACE
+       INTEGER FUNCTION h5olink_c(object_id, new_loc_id, new_link_name, new_link_namelen, &
+            lcpl_id_default, lapl_id_default)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OLINK_C'::h5olink_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: new_link_name
+         INTEGER(HID_T), INTENT(IN) :: object_id
+         INTEGER(HID_T), INTENT(IN) :: new_loc_id
+         CHARACTER(LEN=*), INTENT(IN) :: new_link_name
+         INTEGER(SIZE_T) :: new_link_namelen
+         INTEGER(HID_T) :: lapl_id_default
+         INTEGER(HID_T) :: lcpl_id_default
+       END FUNCTION h5olink_c
+    END INTERFACE
+
+    new_link_namelen = LEN(new_link_name)
+
+    lapl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(lapl_id)) lapl_id_default = lapl_id
+    lcpl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(lcpl_id)) lcpl_id_default = lcpl_id
+
+    hdferr = h5olink_c(object_id, new_loc_id, new_link_name, new_link_namelen, &
+         lcpl_id_default, lapl_id_default)
+
+  END SUBROUTINE h5olink_f
+
+!****s* H5O/h5oopen_f
+!
+! NAME
+!  h5oopen_f
+!
+! PURPOSE
+!  Opens an object in an HDF5 file by location identifier and path name.
+!
+! Inputs:
+!  loc_id  - File or group identifier.
+!  name    - Path to the object, relative to loc_id.
+!
+! Outputs:
+!  obj_id  - Object identifier for the opened object.
+!  hdferr  - Returns 0 if successful and -1 if fails.
+!
+! Optional parameters:
+!  lapl_id - Access property list identifier for the link pointing to the object.
+!
+! AUTHOR
+!  M. Scot Breitenfeld
+!  April 18, 2008
+!
+! Fortran90 Interface:
+  SUBROUTINE h5oopen_f(loc_id, name, obj_id, hdferr, lapl_id)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)  :: loc_id
+    CHARACTER(LEN=*), INTENT(IN)  :: name
+    INTEGER(HID_T)  , INTENT(OUT) :: obj_id
+    INTEGER         , INTENT(OUT) :: hdferr
+    INTEGER(HID_T)  , INTENT(IN), OPTIONAL :: lapl_id
+!*****
+    INTEGER(HID_T) :: lapl_id_default
+    INTEGER(SIZE_T) :: namelen
+
+    INTERFACE
+       INTEGER FUNCTION h5oopen_c(loc_id, name, namelen, lapl_id_default, obj_id)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OOPEN_C'::h5oopen_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: name
+         INTEGER(HID_T), INTENT(IN) :: loc_id
+         CHARACTER(LEN=*), INTENT(IN) :: name
+         INTEGER(HID_T) :: lapl_id_default
+         INTEGER(SIZE_T) :: namelen
+         INTEGER(HID_T), INTENT(OUT) :: obj_id
+       END FUNCTION h5oopen_c
+    END INTERFACE
+
+    namelen = LEN(name)
+
+    lapl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(lapl_id)) lapl_id_default = lapl_id
+
+    hdferr = h5oopen_c(loc_id, name, namelen, lapl_id_default, obj_id)
+
+  END SUBROUTINE h5oopen_f
+!
+!****s* H5O/h5oclose_f
+!
+! NAME
+!  h5oclose_f
+!
+! PURPOSE
+!  Closes an object in an HDF5 file.
+!
+! Inputs:
+!  object_id - Object identifier.
+!
+! Outputs:
+!  hdferr    - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR
+!  M. Scot Breitenfeld
+!  December 17, 2008
+!
+! Fortran90 Interface:
+  SUBROUTINE h5oclose_f(object_id, hdferr)
+    IMPLICIT NONE
+    INTEGER(HID_T), INTENT(IN)   :: object_id
+    INTEGER       , INTENT(OUT) :: hdferr
+!*****
+    INTERFACE
+       INTEGER FUNCTION h5oclose_c(object_id)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OCLOSE_C'::h5oclose_c
+         !DEC$ENDIF
+         INTEGER(HID_T), INTENT(IN) :: object_id
+       END FUNCTION h5oclose_c
+    END INTERFACE
+
+    hdferr = h5oclose_c(object_id)
+  END SUBROUTINE h5oclose_f
+
+!
+!****s* H5O/h5open_by_addr_f
+! NAME		
+!  h5oopen_by_addr_f 
+!
+! PURPOSE
+!  Opens an object using its address within an HDF5 file. 
+!
+! Inputs:  
+!  loc_id - File or group identifier.
+!  addr   - Object’s address in the file.
+!
+! Outputs:
+!  obj_id - Object identifier for the opened object.
+!  hdferr - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  September 14, 2009
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5oopen_by_addr_f(loc_id, addr, obj_id, hdferr)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)  :: loc_id
+    INTEGER(HADDR_T), INTENT(IN)  :: addr
+    INTEGER(HID_T)  , INTENT(OUT) :: obj_id
+    INTEGER         , INTENT(OUT) :: hdferr
+!*****
+    INTERFACE
+       INTEGER FUNCTION h5oopen_by_addr_c(loc_id, addr, obj_id)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OOPEN_BY_ADDR_C'::h5oopen_by_addr_c
+         !DEC$ENDIF
+         INTEGER(HID_T), INTENT(IN) :: loc_id
+         INTEGER(HADDR_T), INTENT(IN) :: addr
+         INTEGER(HID_T), INTENT(OUT) :: obj_id
+       END FUNCTION h5oopen_by_addr_c
+    END INTERFACE
+
+    hdferr = h5oopen_by_addr_c(loc_id, addr, obj_id)
+
+  END SUBROUTINE h5oopen_by_addr_f
+!
+!****s* H5O/h5ocopy_f
+! NAME		
+!  h5ocopy_f 
+!
+! PURPOSE
+!  Copies an object in an HDF5 file.
+!
+! Inputs:  
+!  src_loc_id - Object identifier indicating the location of the source object to be copied.
+!  src_name   - Name of the source object to be copied.
+!  dst_loc_id - Location identifier specifying the destination.
+!  dst_name   - Name to be assigned to the new copy.
+!
+! Optional parameters:
+!  ocpypl_id  - Object copy property list.
+!  lcpl_id    - Link creation property list for the new hard link.
+!
+! Outputs: 
+!  hdferr     - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  March 14, 2012
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5ocopy_f(src_loc_id, src_name, dst_loc_id, dst_name, hdferr, ocpypl_id, lcpl_id)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)  :: src_loc_id
+    CHARACTER(LEN=*), INTENT(IN)  :: src_name
+    INTEGER(HID_T)  , INTENT(IN)  :: dst_loc_id
+    CHARACTER(LEN=*), INTENT(IN)  :: dst_name
+    INTEGER         , INTENT(OUT) :: hdferr
+    INTEGER(HID_T)  , INTENT(IN), OPTIONAL :: ocpypl_id
+    INTEGER(HID_T)  , INTENT(IN), OPTIONAL :: lcpl_id
+!*****
+
+    INTEGER(SIZE_T) :: src_name_len, dst_name_len
+    INTEGER(HID_T)  :: ocpypl_id_default, lcpl_id_default
+
+    INTERFACE
+       INTEGER FUNCTION h5ocopy_c(src_loc_id, src_name, src_name_len, &
+            dst_loc_id, dst_name, dst_name_len, ocpypl_id_default, lcpl_id_default)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OCOPY_C'::h5ocopy_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: src_name, dst_name
+         INTEGER(HID_T)  , INTENT(IN) :: src_loc_id
+         CHARACTER(LEN=*), INTENT(IN) :: src_name
+         INTEGER(HID_T)  , INTENT(IN) :: dst_loc_id
+         CHARACTER(LEN=*), INTENT(IN) :: dst_name
+         INTEGER(HID_T)  , INTENT(IN) :: ocpypl_id_default
+         INTEGER(HID_T)  , INTENT(IN) :: lcpl_id_default
+         INTEGER(SIZE_T)              :: src_name_len, dst_name_len
+
+       END FUNCTION h5ocopy_c
+    END INTERFACE
+
+    src_name_len = LEN(src_name)
+    dst_name_len = LEN(dst_name)
+
+    ocpypl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(ocpypl_id)) ocpypl_id_default = ocpypl_id
+    lcpl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(lcpl_id)) lcpl_id_default = lcpl_id
+
+    hdferr = h5ocopy_c(src_loc_id, src_name, src_name_len, &
+         dst_loc_id, dst_name, dst_name_len, ocpypl_id_default, lcpl_id_default)
+
+  END SUBROUTINE h5ocopy_f
+
+!****s* H5O/h5odecr_refcount_f
+! NAME		
+!  h5odecr_refcount_f
+!
+! PURPOSE
+!  Decrements an object reference count. 
+!
+! Inputs:  
+!  object_id - Object identifier.
+!
+! Outputs: 
+!  hdferr    - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  May 11, 2012
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5odecr_refcount_f(object_id, hdferr)
+    IMPLICIT NONE
+    INTEGER(HID_T), INTENT(IN)  :: object_id
+    INTEGER       , INTENT(OUT) :: hdferr
+!*****
+
+    INTERFACE
+       INTEGER FUNCTION h5odecr_refcount_c(object_id)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5ODECR_REFCOUNT_C'::h5odecr_refcount_c
+         !DEC$ENDIF
+         INTEGER(HID_T)  , INTENT(IN) :: object_id
+       END FUNCTION h5odecr_refcount_c
+    END INTERFACE
+
+    hdferr = h5odecr_refcount_c(object_id)  
+
+  END SUBROUTINE h5odecr_refcount_f
+
+!****s* H5O/h5oexists_by_name_f
+! NAME		
+!  h5oexists_by_name_f
+!
+! PURPOSE
+!  Determines whether a link resolves to an actual object.
+!
+! Inputs:
+!  loc_id   - Identifier of the file or group to query. 
+!  name     - The name of the link to check. 
+!    
+!
+! Optional parameters:
+!  lapl_id  - Link access property list identifier.
+!
+! Outputs: 
+!  link_exists - Existing link resolves to an object.
+!  hdferr      - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  May 11, 2012
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5oexists_by_name_f(loc_id, name, link_exists, hdferr, lapl_id)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)  :: loc_id
+    CHARACTER(LEN=*), INTENT(IN)  :: name
+    LOGICAL         , INTENT(OUT) :: link_exists
+    INTEGER         , INTENT(OUT) :: hdferr
+    INTEGER(HID_T)  , INTENT(IN), OPTIONAL :: lapl_id
+!*****
+
+    INTEGER(size_t) :: namelen
+    INTEGER :: status
+    INTEGER(HID_T) :: lapl_id_default
+
+    INTERFACE
+       INTEGER FUNCTION h5oexists_by_name_c(loc_id, name, namelen, lapl_id)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OEXISTS_BY_NAME_C'::h5oexists_by_name_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: name
+         INTEGER(HID_T)  , INTENT(IN) :: loc_id
+         CHARACTER(LEN=*), INTENT(IN) :: name
+         INTEGER(SIZE_T) , INTENT(IN) :: namelen
+         INTEGER(HID_T)  , INTENT(IN) :: lapl_id
+
+       END FUNCTION h5oexists_by_name_c
+    END INTERFACE
+
+    namelen = LEN(name)
+    
+    lapl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(lapl_id)) lapl_id_default = lapl_id
+
+    status = h5oexists_by_name_c(loc_id, name, namelen, lapl_id_default)
+
+    link_exists = .FALSE.
+    IF(status.EQ.1)THEN
+       link_exists = .TRUE.
+    ENDIF
+
+    hdferr = 0
+    IF(status.LT.0)THEN
+       hdferr = -1
+    ENDIF
+
+  END SUBROUTINE h5oexists_by_name_f
+
+!****s* H5O/h5oget_comment_f
+! NAME		
+!  h5oget_comment_f
+!
+! PURPOSE
+!  Retrieves comment for specified object. 
+!
+! Inputs:
+!  obj_id - Identifier for the target object.
+!
+! Optional parameters:
+!  bufsize - Size of the comment buffer.
+!
+! Outputs: 
+!  comment - The comment.
+!  hdferr  - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  May 11, 2012
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5oget_comment_f(obj_id, comment, hdferr, bufsize)
+    IMPLICIT NONE
+    INTEGER(HID_T)   , INTENT(IN)            :: obj_id
+    CHARACTER(LEN=*) , INTENT(OUT)           :: comment
+    INTEGER          , INTENT(OUT)           :: hdferr
+    INTEGER(HSSIZE_T), INTENT(OUT), OPTIONAL :: bufsize 
+!*****
+
+    INTEGER(SIZE_T)   :: commentsize_default
+    INTEGER(HSSIZE_T) :: bufsize_default
+
+    INTERFACE
+       INTEGER FUNCTION h5oget_comment_c(obj_id, comment, commentsize_default, bufsize)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OGET_COMMENT_C'::h5oget_comment_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: comment
+         INTEGER(HID_T)  , INTENT(IN)  :: obj_id
+         CHARACTER(LEN=*), INTENT(OUT) :: comment
+         INTEGER(SIZE_T) , INTENT(IN)  :: commentsize_default
+         INTEGER(HSSIZE_T) , INTENT(OUT) :: bufsize
+       END FUNCTION h5oget_comment_c
+    END INTERFACE
+
+    commentsize_default = LEN(comment)
+
+    hdferr = h5oget_comment_c(obj_id, comment, commentsize_default, bufsize_default)
+    
+    IF(PRESENT(bufsize)) bufsize = bufsize_default
+
+  END SUBROUTINE h5oget_comment_f
+
+!****s* H5O/h5oget_comment_by_name_f
+! NAME		
+!  h5oget_comment_by_name_f
+!
+! PURPOSE
+!  Retrieves comment for specified object.
+!
+! Inputs:
+!  loc_id   - Identifier of a file, group, dataset, or named datatype.
+!  name     - Name of the object whose comment is to be retrieved, 
+!             specified as a path relative to loc_id. 
+!
+! Optional parameters:
+!  bufsize  - Size of the comment buffer.
+!
+! Outputs: 
+!  comment  - The comment.
+!  hdferr   - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  July 6, 2012
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5oget_comment_by_name_f(loc_id, name, comment, hdferr, bufsize, lapl_id)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)            :: loc_id
+    CHARACTER(LEN=*), INTENT(IN)            :: name
+    CHARACTER(LEN=*), INTENT(OUT)           :: comment
+    INTEGER         , INTENT(OUT)           :: hdferr
+    INTEGER(SIZE_T) , INTENT(OUT), OPTIONAL :: bufsize 
+    INTEGER(HID_T)  , INTENT(IN) , OPTIONAL :: lapl_id 
+!*****
+
+    INTEGER(SIZE_T) :: commentsize_default
+    INTEGER(SIZE_T) :: name_size
+    INTEGER(SIZE_T) :: bufsize_default
+    INTEGER(HID_T)  :: lapl_id_default
+    INTERFACE
+       INTEGER FUNCTION h5oget_comment_by_name_c(loc_id, name, name_size, &
+            comment, commentsize_default, bufsize_default, lapl_id)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OGET_COMMENT_BY_NAME_C'::h5oget_comment_by_name_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: comment, name
+         INTEGER(HID_T)  , INTENT(IN)  :: loc_id
+         CHARACTER(LEN=*), INTENT(IN)  :: name
+         INTEGER(SIZE_T) , INTENT(IN)  :: name_size
+         CHARACTER(LEN=*), INTENT(OUT) :: comment
+         INTEGER(SIZE_T) , INTENT(IN)  :: commentsize_default
+         INTEGER(SIZE_T) , INTENT(OUT) :: bufsize_default
+         INTEGER(HID_T)  , INTENT(IN)  :: lapl_id
+       END FUNCTION h5oget_comment_by_name_c
+    END INTERFACE
+
+    commentsize_default = LEN(comment)
+    name_size = LEN(name)
+
+    lapl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(lapl_id)) lapl_id_default = lapl_id
+
+    hdferr = h5oget_comment_by_name_c(loc_id, name, name_size, &
+         comment, commentsize_default, bufsize_default, lapl_id_default)
+    
+    IF(PRESENT(bufsize)) bufsize = bufsize_default
+
+  END SUBROUTINE h5oget_comment_by_name_f
+
+!****s* H5O/h5oincr_refcount_f
+! NAME		
+!  h5oincr_refcount_f
+!
+! PURPOSE
+!  Increments an object reference count.
+!
+! Inputs:  
+!  obj_id  - Object identifier.
+!
+! Outputs: 
+!  hdferr  - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  May 15, 2012
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5oincr_refcount_f(obj_id, hdferr)
+    IMPLICIT NONE
+    INTEGER(HID_T), INTENT(IN)  :: obj_id
+    INTEGER       , INTENT(OUT) :: hdferr
+!*****
+
+    INTERFACE
+       INTEGER FUNCTION h5oincr_refcount_c(obj_id)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OINCR_REFCOUNT_C'::h5oincr_refcount_c
+         !DEC$ENDIF
+         INTEGER(HID_T)  , INTENT(IN) :: obj_id
+       END FUNCTION h5oincr_refcount_c
+    END INTERFACE
+
+    hdferr = h5oincr_refcount_c(obj_id) 
+
+  END SUBROUTINE h5oincr_refcount_f
+
+!****s* H5O/h5oopen_by_idx_f
+!
+! NAME
+!  h5oopen_by_idx_f
+!
+! PURPOSE
+!  Open the nth object in a group. 
+!
+! Inputs:
+!  loc_id      - A file or group identifier.
+!  group_name  - Name of group, relative to loc_id, in which object is located.
+!  index_type  - Type of index by which objects are ordered.
+!  order       - Order of iteration within index, NOTE: zero-based.
+!  n           - Object to open.
+!
+! Outputs:
+!  obj_id      - An object identifier for the opened object.
+!  hdferr      - Returns 0 if successful and -1 if fails.
+!
+! Optional parameters:
+!  lapl_id     - Link access property list.
+!
+! AUTHOR
+!  M. Scot Breitenfeld
+!  May 17, 2012
+!
+! Fortran90 Interface:
+  SUBROUTINE h5oopen_by_idx_f(loc_id, group_name, index_type, order, n, obj_id, &
+       hdferr, lapl_id)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)            :: loc_id
+    CHARACTER(LEN=*), INTENT(IN)            :: group_name
+    INTEGER         , INTENT(IN)            :: index_type
+    INTEGER         , INTENT(IN)            :: order
+    INTEGER(HSIZE_T), INTENT(IN)            :: n
+    INTEGER(HID_T)  , INTENT(OUT)           :: obj_id
+    INTEGER         , INTENT(OUT)           :: hdferr
+    INTEGER(HID_T)  , INTENT(IN) , OPTIONAL :: lapl_id
+!*****
+    INTEGER(SIZE_T) :: group_namelen
+    INTEGER(HID_T)  :: lapl_id_default
+    
+    INTERFACE
+       INTEGER FUNCTION h5oopen_by_idx_c(loc_id, group_name, group_namelen, index_type, order, n, obj_id, lapl_id_default)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OOPEN_BY_IDX_C'::h5oopen_by_idx_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: group_name
+         INTEGER(HID_T)  , INTENT(IN)  :: loc_id
+         CHARACTER(LEN=*), INTENT(IN)  :: group_name
+         INTEGER(SIZE_T) , INTENT(IN)  :: group_namelen
+         INTEGER         , INTENT(IN)  :: index_type
+         INTEGER         , INTENT(IN)  :: order
+         INTEGER(HSIZE_T), INTENT(IN)  :: n
+         INTEGER(HID_T)  , INTENT(OUT) :: obj_id
+         INTEGER(HID_T)  , INTENT(IN)  :: lapl_id_default
+
+       END FUNCTION h5oopen_by_idx_c
+    END INTERFACE
+
+    group_namelen = LEN(group_name)
+
+    lapl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(lapl_id)) lapl_id_default = lapl_id
+
+    hdferr = h5oopen_by_idx_c(loc_id, group_name, group_namelen, index_type, order, n, obj_id, lapl_id_default)
+
+  END SUBROUTINE H5Oopen_by_idx_f
+
+!****s* H5O/h5oset_comment_f
+! NAME		
+!  h5oset_comment_f
+!
+! PURPOSE
+!  Sets comment for specified object.
+!
+! Inputs:  
+!  obj_id    - Identifier of the target object.
+!  comment   - The new comment.
+!
+! Outputs: 
+!  hdferr    - Returns 0 if successful and -1 if fails.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  May 15, 2012
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5oset_comment_f(obj_id, comment, hdferr)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)  :: obj_id
+    CHARACTER(LEN=*), INTENT(IN)  :: comment
+    INTEGER         , INTENT(OUT) :: hdferr
+!*****
+    INTEGER(SIZE_T) :: commentlen
+
+    INTERFACE
+       INTEGER FUNCTION h5oset_comment_c(obj_id, comment, commentlen)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OSET_COMMENT_C'::h5oset_comment_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: comment
+         INTEGER(HID_T)  , INTENT(IN) :: obj_id
+         CHARACTER(LEN=*), INTENT(IN) :: comment
+         INTEGER(SIZE_T) , INTENT(IN) :: commentlen
+
+       END FUNCTION h5oset_comment_c
+    END INTERFACE
+
+    commentlen = LEN(comment)
+    
+    hdferr = h5oset_comment_c(obj_id, comment, commentlen)
+
+  END SUBROUTINE h5oset_comment_f
+
+!****s* H5O/h5oset_comment_by_name_f
+! NAME		
+!  h5oset_comment_by_name_f
+!
+! PURPOSE
+!  Sets comment for specified object. 
+!
+! Inputs:  
+!  loc_id   - Identifier of a file, group, dataset, or named datatype.
+!  name     - Name of the object whose comment is to be set or reset, 
+!              specified as a path relative to loc_id. 
+!  comment  - The new comment.
+!
+! Outputs: 
+!  hdferr   - Returns 0 if successful and -1 if fails.
+!
+! Optional parameters:
+!  lapl_id  - Link access property list identifier.
+!
+! AUTHOR	
+!  M. Scot Breitenfeld
+!  May 15, 2012
+! 
+! Fortran90 Interface:
+  SUBROUTINE h5oset_comment_by_name_f(loc_id, name, comment, hdferr, lapl_id)
+    IMPLICIT NONE
+    INTEGER(HID_T)  , INTENT(IN)  :: loc_id
+    CHARACTER(LEN=*), INTENT(IN)  :: name
+    CHARACTER(LEN=*), INTENT(IN)  :: comment
+    INTEGER         , INTENT(OUT) :: hdferr
+    INTEGER(HID_T)  , INTENT(IN), OPTIONAL :: lapl_id
+!*****
+    INTEGER(SIZE_T) :: commentlen
+    INTEGER(SIZE_T) :: namelen
+    INTEGER(HID_T) :: lapl_id_default
+
+    INTERFACE
+       INTEGER FUNCTION h5oset_comment_by_name_c(loc_id, name, namelen, comment, commentlen, lapl_id)
+         USE H5GLOBAL
+         !DEC$IF DEFINED(HDF5F90_WINDOWS)
+         !DEC$ATTRIBUTES C,reference,decorate,alias:'H5OSET_COMMENT_BY_NAME_C'::h5oset_comment_by_name_c
+         !DEC$ENDIF
+         !DEC$ATTRIBUTES reference :: name, comment
+         INTEGER(HID_T)  , INTENT(IN) :: loc_id
+         CHARACTER(LEN=*), INTENT(IN) :: comment
+         INTEGER(SIZE_T) , INTENT(IN) :: commentlen
+         CHARACTER(LEN=*), INTENT(IN) :: name
+         INTEGER(SIZE_T) , INTENT(IN) :: namelen
+         INTEGER(HID_T)  , INTENT(IN) :: lapl_id
+       END FUNCTION h5oset_comment_by_name_c
+    END INTERFACE
+
+    commentlen = LEN(comment)
+    namelen = LEN(name)
+
+    lapl_id_default = H5P_DEFAULT_F
+    IF(PRESENT(lapl_id)) lapl_id_default = lapl_id
+    
+    hdferr = h5oset_comment_by_name_c(loc_id, name, namelen, comment, commentlen, lapl_id_default)
+
+  END SUBROUTINE h5oset_comment_by_name_f
+
+END MODULE H5O
+