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Hdf rm anchor
AnchorNamesummary

Excerpt

Retrieves a name of an object based on the object identifier

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Hdf rm anchor
AnchorNameprocedure

Procedure:
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H5I_GET_NAME(obj_id, name, size)

Hdf rm anchor
AnchorNamesignature

Signature:
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<pre><code class="language-c">ssize_t H5Iget_name( hid_t obj_id, char *name, size_t size )</code></pre>
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<pre><code class="language-fortran">SUBROUTINE h5iget_name_f(obj_id, buf, buf_size, name_size, hdferr) 
  IMPLICIT NONE
  INTEGER(HID_T), INTENT(IN)    :: obj_id     ! Object identifier 
  CHARACTER(LEN=*), INTENT(OUT) :: buf        ! Buffer to hold object name 
  INTEGER(SIZE_T), INTENT(IN)   :: buf_size   ! Buffer size
  INTEGER(SIZE_T), INTENT(OUT)  :: name_size  ! Name size
  INTEGER, INTENT(OUT) :: hdferr              ! Error code
                                              ! 0 on success, and -1 on failure
END SUBROUTINE h5iget_name_f</code></pre>

Hdf rm anchor
AnchorNameparameters

Parameters:
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hid_t obj_id    

IN: Identifier of the object

This identifier can refer to a file, group, dataset, named datatype or attribute.

char *nameOUT: A name associated with the identifier.
size_t sizeIN: The size of the name buffer; must be the size of the name in bytes plus 1 for a NULL terminator.

Hdf rm anchor
AnchorNamedescription

Description:
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H5I_GET_NAME retrieves a name for the object identified by obj_id.

Up to size characters of the name are returned in name; additional characters, if any, are not returned to the user application.

If the length of the name, which determines the required value of size, is unknown, a preliminary H5I_GET_NAME call can be made. The return value of this call will be the size in bytes of the object name. That value, plus 1 for a NULL terminator, is then assigned to size for a second H5I_GET_NAME call, which will retrieve the actual name.

If the object identified by obj_id is an attribute, as determined via H5I_GET_TYPE, H5I_GET_NAME retrieves the name of the object to which that attribute is attached. To retrieve the name of the attribute itself, use H5A_GET_NAME.

If there is no name associated with the object identifier or if the name is NULL, H5I_GET_NAME returns 0 (zero).

Note that an object in an HDF5 file may have multiple paths if there are multiple links pointing to it. This function may return any one of these paths. When possible, H5I_GET_NAME returns the path with which the object was opened.

Hdf rm anchor
AnchorNamereturns

Returns:
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Returns the length of the name if successful, returning 0 (zero) if no name is associated with the identifier. Otherwise returns a negative value.

Hdf rm anchor
AnchorNameexample

Example:
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Bitbucket Server file
repoSlughdf5
branchIdrefs/heads/1.10/master
projectKeyHDFFV
filepathexamples/h5_subset.c
showLineNumberstrue
lineStart32
progLangcpp
lineEnd42
applicationLink5ac7b370-7412-3c8c-ad20-807a68261336

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classhdf-togglebox hdf-fortran hdf-togglebox-hidden

Bitbucket Server file
repoSlughdf5
branchIdrefs/heads/1.10/master
projectKeyHDFFV
filepathfortran/examples/compound.f90
showLineNumberstrue
lineStart25
progLangplain
lineEnd35
applicationLink5ac7b370-7412-3c8c-ad20-807a68261336

 

Hdf rm anchor
AnchorNamehistory

History:
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C
Release    Change
1.6.0Function introduced in this release.