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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "H5private.h"
#include "h5tools.h"
/*-------------------------------------------------------------------------
* Function: h5tools_get_little_endian_type
*
* Purpose: Get a little endian type from a file type
*
* Return: Success: datatype ID
* Failure: FAIL
*-------------------------------------------------------------------------
*/
hid_t
h5tools_get_little_endian_type(hid_t tid)
{
hid_t p_type = H5I_INVALID_HID;
H5T_class_t type_class;
size_t size;
H5T_sign_t sign;
type_class = H5Tget_class(tid);
size = H5Tget_size(tid);
sign = H5Tget_sign(tid);
switch (type_class) {
case H5T_INTEGER:
if (size == 1 && sign == H5T_SGN_2)
p_type = H5Tcopy(H5T_STD_I8LE);
else if (size == 2 && sign == H5T_SGN_2)
p_type = H5Tcopy(H5T_STD_I16LE);
else if (size == 4 && sign == H5T_SGN_2)
p_type = H5Tcopy(H5T_STD_I32LE);
else if (size == 8 && sign == H5T_SGN_2)
p_type = H5Tcopy(H5T_STD_I64LE);
else if (size == 1 && sign == H5T_SGN_NONE)
p_type = H5Tcopy(H5T_STD_U8LE);
else if (size == 2 && sign == H5T_SGN_NONE)
p_type = H5Tcopy(H5T_STD_U16LE);
else if (size == 4 && sign == H5T_SGN_NONE)
p_type = H5Tcopy(H5T_STD_U32LE);
else if (size == 8 && sign == H5T_SGN_NONE)
p_type = H5Tcopy(H5T_STD_U64LE);
break;
case H5T_FLOAT:
if (size == 2)
p_type = H5Tcopy(H5T_IEEE_F16LE);
else if (size == 4)
p_type = H5Tcopy(H5T_IEEE_F32LE);
else if (size == 8)
p_type = H5Tcopy(H5T_IEEE_F64LE);
break;
case H5T_BITFIELD:
if (size == 1)
p_type = H5Tcopy(H5T_STD_B8LE);
else if (size == 2)
p_type = H5Tcopy(H5T_STD_B16LE);
else if (size == 4)
p_type = H5Tcopy(H5T_STD_B32LE);
else if (size == 8)
p_type = H5Tcopy(H5T_STD_B64LE);
break;
case H5T_TIME:
case H5T_OPAQUE:
case H5T_STRING:
case H5T_COMPOUND:
case H5T_REFERENCE:
case H5T_ENUM:
case H5T_VLEN:
case H5T_ARRAY:
break;
case H5T_NO_CLASS:
case H5T_NCLASSES:
default:
break;
} /* end switch */
return p_type;
} /* end h5tools_get_little_endian_type() */
/*-------------------------------------------------------------------------
* Function: h5tools_get_big_endian_type
*
* Purpose: Get a big endian type from a file type
*
* Return: Success: datatype ID
* Failure: FAIL
*-------------------------------------------------------------------------
*/
hid_t
h5tools_get_big_endian_type(hid_t tid)
{
hid_t p_type = H5I_INVALID_HID;
H5T_class_t type_class;
size_t size;
H5T_sign_t sign;
type_class = H5Tget_class(tid);
size = H5Tget_size(tid);
sign = H5Tget_sign(tid);
switch (type_class) {
case H5T_INTEGER:
if (size == 1 && sign == H5T_SGN_2)
p_type = H5Tcopy(H5T_STD_I8BE);
else if (size == 2 && sign == H5T_SGN_2)
p_type = H5Tcopy(H5T_STD_I16BE);
else if (size == 4 && sign == H5T_SGN_2)
p_type = H5Tcopy(H5T_STD_I32BE);
else if (size == 8 && sign == H5T_SGN_2)
p_type = H5Tcopy(H5T_STD_I64BE);
else if (size == 1 && sign == H5T_SGN_NONE)
p_type = H5Tcopy(H5T_STD_U8BE);
else if (size == 2 && sign == H5T_SGN_NONE)
p_type = H5Tcopy(H5T_STD_U16BE);
else if (size == 4 && sign == H5T_SGN_NONE)
p_type = H5Tcopy(H5T_STD_U32BE);
else if (size == 8 && sign == H5T_SGN_NONE)
p_type = H5Tcopy(H5T_STD_U64BE);
break;
case H5T_FLOAT:
if (size == 2)
p_type = H5Tcopy(H5T_IEEE_F16BE);
else if (size == 4)
p_type = H5Tcopy(H5T_IEEE_F32BE);
else if (size == 8)
p_type = H5Tcopy(H5T_IEEE_F64BE);
break;
case H5T_BITFIELD:
if (size == 1)
p_type = H5Tcopy(H5T_STD_B8BE);
else if (size == 2)
p_type = H5Tcopy(H5T_STD_B16BE);
else if (size == 4)
p_type = H5Tcopy(H5T_STD_B32BE);
else if (size == 8)
p_type = H5Tcopy(H5T_STD_B64BE);
break;
case H5T_TIME:
case H5T_OPAQUE:
case H5T_STRING:
case H5T_COMPOUND:
case H5T_REFERENCE:
case H5T_ENUM:
case H5T_VLEN:
case H5T_ARRAY:
break;
case H5T_NO_CLASS:
case H5T_NCLASSES:
default:
break;
} /* end switch */
return p_type;
} /* end h5tools_get_big_endian_type() */
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