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/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
/*
* This file contains private information about the H5D module
*/
#ifndef _H5Dprivate_H
#define _H5Dprivate_H
#include <H5Dpublic.h>
/* Private headers needed by this file */
#include <H5private.h>
#include <H5Fprivate.h> /*for the H5F_t type */
#include <H5Gprivate.h> /*symbol tables */
#include <H5Oprivate.h> /*object Headers */
#include <H5Sprivate.h> /*for the H5S_t type */
#include <H5Tprivate.h> /*for the H5T_t type */
/*
* Feature: Define H5D_DEBUG on the compiler command line if you want to
* debug dataset I/O. NDEBUG must not be defined in order for this
* to have any effect.
*/
#ifdef NDEBUG
# undef H5D_DEBUG
#endif
#define H5D_RESERVED_ATOMS 0
/* Set the minimum object header size to create objects with */
#define H5D_MINHDR_SIZE 512
/* Dataset creation property list */
typedef struct H5D_create_t {
H5D_layout_t layout; /*storage layout */
intn chunk_ndims; /*chunk dimensionality */
hsize_t chunk_size[32]; /*chunk size if chunked storage */
H5O_fill_t fill; /*fill value */
H5O_efl_t efl; /*external file list */
H5O_pline_t pline; /*data filter pipeline */
} H5D_create_t;
/* Dataset transfer property list */
typedef struct H5D_xfer_t {
size_t buf_size; /*max temp buffer size */
void *tconv_buf; /*type conversion buffer or null */
void *bkg_buf; /*background buffer or null */
H5T_bkg_t need_bkg; /*type of background buffer needed */
double split_ratios[3];/*B-tree node splitting ratios */
uintn cache_hyper; /*cache hyperslab blocks during I/O? */
uintn block_limit; /*largest hyperslab block to cache */
H5D_transfer_t xfer_mode; /*independent or collective transfer */
} H5D_xfer_t;
typedef struct H5D_t H5D_t;
extern const H5D_create_t H5D_create_dflt;
extern const H5D_xfer_t H5D_xfer_dflt;
/* Functions defined in H5D.c */
H5D_t *H5D_create (H5G_entry_t *loc, const char *name, const H5T_t *type,
const H5S_t *space, const H5D_create_t *create_parms);
H5D_t *H5D_open (H5G_entry_t *loc, const char *name);
herr_t H5D_close (H5D_t *dataset);
herr_t H5D_read (H5D_t *dataset, const H5T_t *mem_type,
const H5S_t *mem_space, const H5S_t *file_space,
const H5D_xfer_t *xfer_parms, void *buf/*out*/);
herr_t H5D_write (H5D_t *dataset, const H5T_t *mem_type,
const H5S_t *mem_space, const H5S_t *file_space,
const H5D_xfer_t *xfer_parms, const void *buf);
herr_t H5D_extend (H5D_t *dataset, const hsize_t *size);
H5G_entry_t *H5D_entof (H5D_t *dataset);
H5T_t *H5D_typeof (H5D_t *dset);
H5S_t *H5D_get_space(H5D_t *dset);
#endif
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