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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Module Info: This module contains the functionality for setting & querying
* the character set (cset) for the H5T interface.
*/
#include "H5Tmodule.h" /* This source code file is part of the H5T module */
#include "H5private.h" /*generic functions */
#include "H5Eprivate.h" /*error handling */
#include "H5Iprivate.h" /*ID functions */
#include "H5Tpkg.h" /*data-type functions */
/*-------------------------------------------------------------------------
* Function: H5Tget_cset
*
* Purpose: HDF5 is able to distinguish between character sets of
* different nationalities and to convert between them to the
* extent possible.
*
* Return: Success: The character set of a string type.
*
* Failure: H5T_CSET_ERROR (Negative)
*
* Programmer: Robb Matzke
* Friday, January 9, 1998
*
* Modifications:
* Robb Matzke, 22 Dec 1998
* Also works for derived data types.
*
*-------------------------------------------------------------------------
*/
H5T_cset_t
H5Tget_cset(hid_t type_id)
{
H5T_t *dt;
H5T_cset_t ret_value;
FUNC_ENTER_API(H5T_CSET_ERROR)
H5TRACE1("Tc", "i", type_id);
/* Check args */
if (NULL == (dt = (H5T_t *)H5I_object_verify(type_id,H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5T_CSET_ERROR, "not a data type")
while (dt->shared->parent && !H5T_IS_STRING(dt->shared))
dt = dt->shared->parent; /*defer to parent*/
if (!H5T_IS_STRING(dt->shared))
HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, H5T_CSET_ERROR, "operation not defined for data type class")
/* result */
if(H5T_IS_FIXED_STRING(dt->shared))
ret_value = dt->shared->u.atomic.u.s.cset;
else
ret_value = dt->shared->u.vlen.cset;
done:
FUNC_LEAVE_API(ret_value)
}
/*-------------------------------------------------------------------------
* Function: H5Tset_cset
*
* Purpose: HDF5 is able to distinguish between character sets of
* different nationalities and to convert between them to the
* extent possible.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Friday, January 9, 1998
*
* Modifications:
* Robb Matzke, 22 Dec 1998
* Also works with derived data types.
*
*-------------------------------------------------------------------------
*/
herr_t
H5Tset_cset(hid_t type_id, H5T_cset_t cset)
{
H5T_t *dt;
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iTc", type_id, cset);
/* Check args */
if (NULL == (dt = (H5T_t *)H5I_object_verify(type_id,H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type")
if (H5T_STATE_TRANSIENT!=dt->shared->state)
HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "data type is read-only")
if (cset < H5T_CSET_ASCII || cset >= H5T_NCSET)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal character set type")
while (dt->shared->parent && !H5T_IS_STRING(dt->shared))
dt = dt->shared->parent; /*defer to parent*/
if (!H5T_IS_STRING(dt->shared))
HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "operation not defined for data type class")
/* Commit */
if(H5T_IS_FIXED_STRING(dt->shared))
dt->shared->u.atomic.u.s.cset = cset;
else
dt->shared->u.vlen.cset = cset;
done:
FUNC_LEAVE_API(ret_value)
}
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