/*-------------------------------------------------------------------------
* Function: H5Tset_pad
*
* Purpose: Sets the LSB and MSB pad types.
*
* 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_pad(hid_t type_id, H5T_pad_t lsb, H5T_pad_t msb)
{
H5T_t *dt = NULL;
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "iTpTp", type_id, lsb, msb);
/* 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->shared->state)
HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "data type is read-only")
if (lsb < H5T_PAD_ZERO || lsb >= H5T_NPAD || msb < H5T_PAD_ZERO || msb >= H5T_NPAD)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid pad 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_IS_ATOMIC(dt->shared))
HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "operation not defined for specified data type")
/* Commit */
dt->shared->u.atomic.lsb_pad = lsb;
dt->shared->u.atomic.msb_pad = msb;
done:
FUNC_LEAVE_API(ret_value)
}
/*-------------------------------------------------------------------------
* Function: H5Tget_pad
*
* Purpose: Gets the least significant pad type and the most significant
* pad type and returns their values through the LSB and MSB
* arguments, either of which may be the null pointer.
*
* 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
H5Tget_pad(hid_t type_id, H5T_pad_t *lsb/*out*/, H5T_pad_t *msb/*out*/)
{
H5T_t *dt = NULL;
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "ixx", type_id, lsb, msb);
/* Check args */
if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type")
while (dt->shared->parent)
dt = dt->shared->parent; /*defer to parent*/
if (!H5T_IS_ATOMIC(dt->shared))
HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "operation not defined for specified data type")
/* Get values */
if (lsb)
*lsb = dt->shared->u.atomic.lsb_pad;
if (msb)
*msb = dt->shared->u.atomic.msb_pad;
done:
FUNC_LEAVE_API(ret_value)
}
/*-------------------------------------------------------------------------
* Function: H5T_debug
*
* Purpose: Prints information about a data type.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Wednesday, January 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
herr_t
H5T_debug(const H5T_t *dt, FILE *stream)
{
const char *s1 = "", *s2 = "";
unsigned i;
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Check args */
HDassert(dt);
HDassert(stream);
switch(dt->shared->type) {
case H5T_INTEGER:
s1 = "int";
break;
case H5T_FLOAT:
s1 = "float";
break;
case H5T_TIME:
s1 = "time";
break;
case H5T_STRING:
s1 = "str";
break;
case H5T_BITFIELD:
s1 = "bits";
break;
case H5T_OPAQUE:
s1 = "opaque";
break;
case H5T_COMPOUND:
s1 = "struct";
break;
case H5T_ENUM:
s1 = "enum";
break;
case H5T_VLEN:
if(H5T_IS_VL_STRING(dt->shared))
s1 = "str";
else
s1 = "vlen";
break;
default:
s1 = "";
break;
} /* end switch */
switch(dt->shared->state) {
case H5T_STATE_TRANSIENT:
s2 = "[transient]";
break;
case H5T_STATE_RDONLY:
s2 = "[constant]";
break;
case H5T_STATE_IMMUTABLE:
s2 = "[predefined]";
break;
case H5T_STATE_NAMED:
s2 = "[named,closed]";
break;
case H5T_STATE_OPEN:
s2 = "[named,open]";
break;
default:
HDassert(0 && "This Should never be executed!");
} /* end switch */
fprintf(stream, "%s%s {nbytes=%lu", s1, s2, (unsigned long)(dt->shared->size));
if(H5T_IS_ATOMIC(dt->shared)) {
uint64_t tmp;
switch(dt->shared->u.atomic.order) {
case H5T_ORDER_BE:
s1 = "BE";
break;
case H5T_ORDER_LE:
s1 = "LE";
break;
case H5T_ORDER_VAX:
s1 = "VAX";
break;
case H5T_ORDER_NONE:
s1 = "NONE";
break;
default:
s1 = "order?";
break;
} /* end switch */
fprintf(stream, ", %s", s1);
if(dt->shared->u.atomic.offset)
fprintf(stream, ", offset=%lu",
(unsigned long) (dt->shared->u.atomic.offset));
if(dt->shared->u.atomic.prec != 8 * dt->shared->size)
fprintf(stream, ", prec=%lu",
(unsigned long) (dt->shared->u.atomic.prec));
switch(dt->shared->type) {
case H5T_INTEGER:
switch(dt->shared->u.atomic.u.i.sign) {
case H5T_SGN_NONE:
s1 = "unsigned";
break;
case H5T_SGN_2:
s1 = NULL;
break;
default:
s1 = "sign?";
break;
} /* end switch */
if(s1)
fprintf(stream, ", %s", s1);
break;
case H5T_FLOAT:
switch(dt->shared->u.atomic.u.f.norm) {
case H5T_NORM_IMPLIED:
s1 = "implied";
break;
case H5T_NORM_MSBSET:
s1 = "msbset";
break;
case H5T_NORM_NONE:
s1 = "no-norm";
break;
default:
s1 = "norm?";
break;
} /* end switch */
fprintf(stream, ", sign=%lu+1",
(unsigned long)(dt->shared->u.atomic.u.f.sign));
fprintf(stream, ", mant=%lu+%lu (%s)",
(unsigned long)(dt->shared->u.atomic.u.f.mpos),
(unsigned long)(dt->shared->u.atomic.u.f.msize), s1);
fprintf(stream, ", exp=%lu+%lu",
(unsigned long)(dt->shared->u.atomic.u.f.epos),
(unsigned long)(dt->shared->u.atomic.u.f.esize));
tmp = dt->shared->u.atomic.u.f.ebias >> 32;
if(tmp) {
size_t hi = (size_t)tmp;
size_t lo = (size_t)(dt->shared->u.atomic.u.f.ebias & 0xffffffff);
fprintf(stream, " bias=0x%08lx%08lx",
(unsigned long)hi, (unsigned long)lo);
} else {
size_t lo = (size_t)(dt->shared->u.atomic.u.f.ebias & 0xffffffff);
fprintf(stream, " bias=0x%08lx", (unsigned long)lo);
}
break;
default:
/* No additional info */
break;
} /* end switch */
} else if(H5T_COMPOUND == dt->shared->type) {
