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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Module Info: This module contains the functionality for setting & querying
+ * the character set (cset) for the H5T interface.
+ */
+
+#define H5T_PACKAGE /*suppress error about including H5Tpkg */
+
+#include "H5private.h" /*generic functions */
+#include "H5Eprivate.h" /*error handling */
+#include "H5Iprivate.h" /*ID functions */
+#include "H5Tpkg.h" /*data-type functions */
+
+#define PABLO_MASK H5Tcset_mask
+
+/* Interface initialization */
+static int interface_initialize_g = 0;
+#define INTERFACE_INIT H5T_init_cset_interface
+static herr_t H5T_init_cset_interface(void);
+
+
+/*--------------------------------------------------------------------------
+NAME
+ H5T_init_cset_interface -- Initialize interface-specific information
+USAGE
+ herr_t H5T_init_cset_interface()
+
+RETURNS
+ Non-negative on success/Negative on failure
+DESCRIPTION
+ Initializes any interface-specific data or routines. (Just calls
+ H5T_init_iterface currently).
+
+--------------------------------------------------------------------------*/
+static herr_t
+H5T_init_cset_interface(void)
+{
+ FUNC_ENTER_NOINIT(H5T_init_cset_interface);
+
+ FUNC_LEAVE_NOAPI(H5T_init_interface());
+} /* H5T_init_cset_interface() */
+
+
+/*-------------------------------------------------------------------------
+ * 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 an H5T_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 = NULL;
+ H5T_cset_t ret_value;
+
+ FUNC_ENTER_API(H5Tget_cset, H5T_CSET_ERROR);
+ H5TRACE1("Tc","i",type_id);
+
+ /* Check args */
+ if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5T_CSET_ERROR, "not a data type");
+ /* Don't see any reason for this. Causes problem for variable-length
+ * string. -SLU (& QAK) */
+ /*if (dt->parent) dt = dt->parent;*/ /*defer to parent*/
+ if (!(H5T_STRING == dt->type || (H5T_VLEN == dt->type && H5T_VLEN_STRING == dt->u.vlen.type)))
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, H5T_CSET_ERROR, "operation not defined for data type class");
+
+ /* result */
+ if(H5T_STRING == dt->type)
+ ret_value = dt->u.atomic.u.s.cset;
+ else if(H5T_VLEN == dt->type && H5T_VLEN_STRING == dt->u.vlen.type)
+ ret_value = dt->u.vlen.cset;
+ else
+ HGOTO_ERROR(H5E_DATATYPE, H5E_BADVALUE, H5T_CSET_ERROR, "can't get cset info");
+
+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 = NULL;
+ herr_t ret_value=SUCCEED; /* Return value */
+
+ FUNC_ENTER_API(H5Tset_cset, FAIL);
+ H5TRACE2("e","iTc",type_id,cset);
+
+ /* Check args */
+ if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type");
+ if (H5T_STATE_TRANSIENT!=dt->state)
+ HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "data type is read-only");
+ if (cset < 0 || cset >= H5T_NCSET)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal character set type");
+ /* Don't see any reason for this. Causes problem for variable-length
+ * string. -SLU (& QAK) */
+ /*if (dt->parent) dt = dt->parent;*/ /*defer to parent*/
+ if (!(H5T_STRING == dt->type || (H5T_VLEN == dt->type && H5T_VLEN_STRING == dt->u.vlen.type)))
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not defined for data type class");
+
+ /* Commit */
+ if(H5T_STRING == dt->type)
+ dt->u.atomic.u.s.cset = cset;
+ else if(H5T_VLEN == dt->type && H5T_VLEN_STRING == dt->u.vlen.type)
+ dt->u.vlen.cset = cset;
+ else
+ HGOTO_ERROR(H5E_DATATYPE, H5E_BADVALUE, FAIL, "can't set cset info");
+
+done:
+ FUNC_LEAVE_API(ret_value);
+}
+