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/*
* Copyright (C) 1998 NCSA
* All rights reserved.
*
* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Tuesday, November 10, 1998
*
* Purpose: "None" selection data space I/O functions.
*/
#include <H5private.h>
#include <H5Eprivate.h>
#include <H5Iprivate.h>
#include <H5Sprivate.h>
#include <H5Vprivate.h>
#include <H5Dprivate.h>
/* Interface initialization */
#define PABLO_MASK H5Snone_mask
#define INTERFACE_INIT NULL
static intn interface_initialize_g = 0;
/*--------------------------------------------------------------------------
NAME
H5S_none_select_serialize
PURPOSE
Serialize the current selection into a user-provided buffer.
USAGE
herr_t H5S_none_select_serialize(space, buf)
H5S_t *space; IN: Dataspace pointer of selection to serialize
uint8 *buf; OUT: Buffer to put serialized selection into
RETURNS
Non-negative on success/Negative on failure
DESCRIPTION
Serializes the current element selection into a buffer. (Primarily for
storing on disk).
GLOBAL VARIABLES
COMMENTS, BUGS, ASSUMPTIONS
EXAMPLES
REVISION LOG
--------------------------------------------------------------------------*/
herr_t
H5S_none_select_serialize (const H5S_t *space, uint8_t *buf)
{
herr_t ret_value=FAIL; /* return value */
FUNC_ENTER (H5S_none_select_serialize, FAIL);
assert(space);
/* Store the preamble information */
UINT32ENCODE(buf, (uint32_t)space->select.type); /* Store the type of selection */
UINT32ENCODE(buf, (uint32_t)1); /* Store the version number */
UINT32ENCODE(buf, (uint32_t)0); /* Store the un-used padding */
UINT32ENCODE(buf, (uint32_t)0); /* Store the additional information length */
/* Set success */
ret_value=SUCCEED;
FUNC_LEAVE (ret_value);
} /* H5S_none_select_serialize() */
/*--------------------------------------------------------------------------
NAME
H5S_none_select_deserialize
PURPOSE
Deserialize the current selection from a user-provided buffer.
USAGE
herr_t H5S_none_select_deserialize(space, buf)
H5S_t *space; IN/OUT: Dataspace pointer to place selection into
uint8 *buf; IN: Buffer to retrieve serialized selection from
RETURNS
Non-negative on success/Negative on failure
DESCRIPTION
Deserializes the current selection into a buffer. (Primarily for retrieving
from disk).
GLOBAL VARIABLES
COMMENTS, BUGS, ASSUMPTIONS
EXAMPLES
REVISION LOG
--------------------------------------------------------------------------*/
herr_t
H5S_none_select_deserialize (H5S_t *space, const uint8_t UNUSED *buf)
{
herr_t ret_value=FAIL; /* return value */
FUNC_ENTER (H5S_none_select_deserialize, FAIL);
assert(space);
/* Change to "none" selection */
if((ret_value=H5S_select_none(space))<0) {
HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDELETE, FAIL, "can't change selection");
} /* end if */
done:
FUNC_LEAVE (ret_value);
} /* H5S_none_select_deserialize() */
/*--------------------------------------------------------------------------
NAME
H5S_none_select_iterate
PURPOSE
Iterate over a none selection, calling a user's function for each
element. (i.e. the user's function is not called because there are
zero elements selected)
USAGE
herr_t H5S_none_select_iterate(buf, type_id, space, operator, operator_data)
void *buf; IN/OUT: Buffer containing elements to iterate over
hid_t type_id; IN: Datatype ID of BUF array.
H5S_t *space; IN: Dataspace object containing selection to iterate over
H5D_operator_t operator; IN: Function pointer to the routine to be
called for each element in BUF iterated over.
void *operator_data; IN/OUT: Pointer to any user-defined data
associated with the operation.
RETURNS
Returns success (0).
DESCRIPTION
GLOBAL VARIABLES
COMMENTS, BUGS, ASSUMPTIONS
EXAMPLES
REVISION LOG
--------------------------------------------------------------------------*/
herr_t
H5S_none_select_iterate(void *buf, hid_t type_id, H5S_t *space, H5D_operator_t operator,
void UNUSED *operator_data)
{
herr_t ret_value=SUCCEED; /* return value */
FUNC_ENTER (H5S_none_select_iterate, FAIL);
assert(buf);
assert(space);
assert(operator);
assert(H5I_DATATYPE == H5I_get_type(type_id));
FUNC_LEAVE (ret_value);
} /* H5S_hyper_select_iterate() */
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