89fbe00dec
* commit '54957d37f5aa73912763dbb6e308555e863c43f4': Commit copyright header change for src/H5PLpkg.c which was added after running script to make changes. Add new files in release_docs to MANIFEST. Cimmit changes to Makefile.in(s) and H5PL.c that resulted from running autogen.sh. Merge pull request #407 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_10_1 to hdf5_1_10_1 Change copyright headers to replace url referring to file to be removed and replace it with new url for COPYING file.
154 lines
4.7 KiB
C
154 lines
4.7 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
||
* 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 fixed-point (i.e.
|
||
* integer) datatypes in 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_sign
|
||
*
|
||
* Purpose: Retrieves the sign type for an integer type.
|
||
*
|
||
* Return: Success: The sign type.
|
||
*
|
||
* Failure: H5T_SGN_ERROR (Negative)
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Wednesday, January 7, 1998
|
||
*
|
||
* Modifications:
|
||
* Robb Matzke, 22 Dec 1998
|
||
* Also works with derived datatypes.
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
H5T_sign_t
|
||
H5Tget_sign(hid_t type_id)
|
||
{
|
||
H5T_t *dt = NULL;
|
||
H5T_sign_t ret_value;
|
||
|
||
FUNC_ENTER_API(H5T_SGN_ERROR)
|
||
H5TRACE1("Ts", "i", type_id);
|
||
|
||
/* Check args */
|
||
if (NULL == (dt = (H5T_t *)H5I_object_verify(type_id,H5I_DATATYPE)))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5T_SGN_ERROR, "not an integer datatype")
|
||
|
||
ret_value = H5T_get_sign(dt);
|
||
|
||
done:
|
||
FUNC_LEAVE_API(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5T_get_sign
|
||
*
|
||
* Purpose: Private function for H5Tget_sign. Retrieves the sign type
|
||
* for an integer type.
|
||
*
|
||
* Return: Success: The sign type.
|
||
*
|
||
* Failure: H5T_SGN_ERROR (Negative)
|
||
*
|
||
* Programmer: Raymond Lu
|
||
* October 8, 2002
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
H5T_sign_t
|
||
H5T_get_sign(H5T_t const *dt)
|
||
{
|
||
H5T_sign_t ret_value = H5T_SGN_ERROR; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5T_SGN_ERROR)
|
||
|
||
HDassert(dt);
|
||
|
||
/* Defer to parent */
|
||
while(dt->shared->parent)
|
||
dt = dt->shared->parent;
|
||
|
||
/* Check args */
|
||
if (H5T_INTEGER!=dt->shared->type)
|
||
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, H5T_SGN_ERROR, "operation not defined for datatype class")
|
||
|
||
/* Sign */
|
||
ret_value = dt->shared->u.atomic.u.i.sign;
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5Tset_sign
|
||
*
|
||
* Purpose: Sets the sign property for an integer.
|
||
*
|
||
* Return: Non-negative on success/Negative on failure
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Wednesday, January 7, 1998
|
||
*
|
||
* Modifications:
|
||
* Robb Matzke, 22 Dec 1998
|
||
* Also works with derived datatypes.
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5Tset_sign(hid_t type_id, H5T_sign_t sign)
|
||
{
|
||
H5T_t *dt = NULL;
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_API(FAIL)
|
||
H5TRACE2("e", "iTs", type_id, sign);
|
||
|
||
/* Check args */
|
||
if (NULL == (dt = (H5T_t *)H5I_object_verify(type_id,H5I_DATATYPE)))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an integer datatype")
|
||
if (H5T_STATE_TRANSIENT!=dt->shared->state)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "datatype is read-only")
|
||
if (sign < H5T_SGN_NONE || sign >= H5T_NSGN)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal sign type")
|
||
if (H5T_ENUM==dt->shared->type && dt->shared->u.enumer.nmembs>0)
|
||
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not allowed after members are defined")
|
||
while (dt->shared->parent)
|
||
dt = dt->shared->parent; /*defer to parent*/
|
||
if (H5T_INTEGER!=dt->shared->type)
|
||
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not defined for datatype class")
|
||
|
||
/* Commit */
|
||
dt->shared->u.atomic.u.i.sign = sign;
|
||
|
||
done:
|
||
FUNC_LEAVE_API(ret_value)
|
||
}
|
||
|