H5T_GET_SIZE

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Hdf rm anchor

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Excerpt
Returns the size of a datatype.

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Procedure:

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H5T_GET_SIZE (dtype_id)

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Signature:

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<pre><code class="language-c">size_t H5Tget_size( hid_t dtype_id )</code></pre>

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<pre><code class="language-fortran">SUBROUTINE h5tget_size_f(type_id, size, hdferr) 
  IMPLICIT NONE
  INTEGER(HID_T), INTENT(IN) :: type_id ! Datatype identifier 
  INTEGER(SIZE_T), INTENT(OUT) :: size  ! Datatype size
  INTEGER, INTENT(OUT) :: hdferr        ! Error code
                                        ! 0 on success and -1 on failure
END SUBROUTINE h5tget_size_f</code></pre>

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Parameters:

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hid_t dtype_id IN: Identifier of datatype to query.

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Description:

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H5Tget_size H5T_GET_SIZE returns the size of a datatype in bytes.

For atomic datatypes, array datatypes, compound datatypes, and other datatypes of a constant size, the returned value is the size of the actual datatype in bytes.

For variable-length string datatypes (see “Creating variable-length string datatypes”), the returned value is the size of the pointer to the actual string, or sizeof(char *). This function does not return the size of actual variable-length string data.

For variable-length sequence datatypes (see H5Tvlen_create H5T_VLEN_CREATE), the returned value is the size of the hvl_t struct, or sizeof(hvl_t). The hvl_t struct contains a pointer to the actual data and a size value. This function does not return the size of actual variable-length sequence data.

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Returns:

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Returns the size of the datatype in bytes if successful; otherwise 0.

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Example:

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Bitbucket Server file

repoSlug	hdf5
branchId	refs/heads/1.10/master
projectKey	HDFFV
filepath	examples/h5_subset.c
showLineNumbers	true
lineStart	32
progLang	cpp
lineEnd	42
applicationLink	5ac7b370-7412-3c8c-ad20-807a68261336

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Bitbucket Server file

repoSlug	hdf5
branchId	refs/heads/1.10/master
projectKey	HDFFV
filepath	fortran/examples/compound.f90
showLineNumbers	true
lineStart	25
progLang	plain
lineEnd	35
applicationLink	5ac7b370-7412-3c8c-ad20-807a68261336

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