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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 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: Dummy index routines.
*/
/****************/
/* Module Setup */
/****************/
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Xprivate.h" /* Index */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Pprivate.h"
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
static void *
H5X_dummy_create(hid_t fid, const char *dataset_name, hid_t icpl_id,
hid_t iapl_id, size_t *metadata_size, void **metadata);
static herr_t
H5X_dummy_remove(hid_t fid, const char *dataset_name, size_t metadata_size,
void *metadata);
static void *
H5X_dummy_open(hid_t fid, const char *dataset_name, hid_t iapl_id,
size_t metadata_size, void *metadata);
static herr_t
H5X_dummy_close(void *idx_handle);
static herr_t
H5X_dummy_pre_update(void *idx_handle, hid_t buffer_dataspace, hid_t ixpl_id);
static herr_t
H5X_dummy_post_update(void *idx_handle, const void *buffer, hid_t buffer_dataspace,
hid_t ixpl_id);
static herr_t
H5X_dummy_query(void *idx_handle, hid_t query_id, hid_t idxpl_id,
hid_t *dataspace_selection_id);
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/* Dummy index class */
const H5X_class_t H5X_DUMMY[1] = {
H5X_CLASS_T_VERS, /* (From the H5Xpublic.h header file) */
1, /* (Or whatever number is assigned) */
"dummy index plugin", /* Whatever name desired */
H5X_TYPE_DATA_ELEM, /* This plugin operates on dataset elements */
H5X_dummy_create, /* create */
H5X_dummy_remove, /* remove */
H5X_dummy_open, /* open */
H5X_dummy_close, /* close */
H5X_dummy_pre_update, /* pre_update */
H5X_dummy_post_update, /* post_update */
H5X_dummy_query /* query */
};
/*-------------------------------------------------------------------------
* Function: H5X_dummy_create
*
* Purpose: This function creates a new instance of a dummy plugin index.
*
* Return: Success: Pointer to the new index
* Failure: NULL
*
*------------------------------------------------------------------------
*/
static void *
H5X_dummy_create(hid_t fid, const char *dataset_name, hid_t icpl_id,
hid_t iapl_id, size_t *metadata_size, void **metadata)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* H5Dcreate_anon_ff + H5Oincr_refcount() */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_create() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_remove
*
* Purpose: This function removes the dummy plugin index from the file.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_remove(hid_t fid, const char *dataset_name, size_t metadata_size,
void *metadata)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_remove() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_open
*
* Purpose: This function open an already existing dummy index from a file.
*
* Return: Success: Pointer to the index
* Failure: NULL
*
*-------------------------------------------------------------------------
*/
static void *
H5X_dummy_open(hid_t fid, const char *dataset_name, hid_t iapl_id,
size_t metadata_size, void *metadata)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* H5Oget_info */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_open() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_close
*
* Purpose: This function unregisters an index class.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_close(void *idx_handle)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_close() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_pre_update
*
* Purpose: This function unregisters an index class.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_pre_update(void *idx_handle, hid_t buffer_dataspace, hid_t ixpl_id)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_pre_update() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_post_update
*
* Purpose: This function unregisters an index class.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_post_update(void *idx_handle, const void *buffer, hid_t buffer_dataspace,
hid_t ixpl_id)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* Update index elements */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_post_update() */
/*-------------------------------------------------------------------------
* Function: H5X_dummy_query
*
* Purpose: This function unregisters an index class.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5X_dummy_query(void *idx_handle, hid_t query_id, hid_t idxpl_id,
hid_t *dataspace_selection_id)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5X_dummy_query() */
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