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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 H5T module
*/
#ifndef _H5Tprivate_H
#define _H5Tprivate_H
#include <H5Tpublic.h>
/* Private headers needed by this file */
#include <H5private.h>
#include <H5Gprivate.h> /*for H5G_entry_t */
#include <H5Rprivate.h> /*for H5R_type_t */
#define H5T_RESERVED_ATOMS 8
#define H5T_NAMELEN 32 /*length of debugging name buffer */
typedef struct H5T_t H5T_t;
/* How to copy a data type */
typedef enum H5T_copy_t {
H5T_COPY_TRANSIENT,
H5T_COPY_ALL,
H5T_COPY_REOPEN
} H5T_copy_t;
/* Statistics about a conversion function */
typedef struct H5T_stats_t {
unsigned ncalls; /*num calls to conversion function */
hsize_t nelmts; /*total data points converted */
H5_timer_t timer; /*total time for conversion */
} H5T_stats_t;
/* The data type conversion database */
typedef struct H5T_path_t {
char name[H5T_NAMELEN]; /*name for debugging only */
H5T_t *src; /*source data type ID */
H5T_t *dst; /*destination data type ID */
H5T_conv_t func; /*data conversion function */
hbool_t is_hard; /*is it a hard function? */
H5T_stats_t stats; /*statistics for the conversion */
H5T_cdata_t cdata; /*data for this function */
} H5T_path_t;
/*
* VL types allowed.
*/
typedef enum {
H5T_VLEN_BADTYPE = 0, /* invalid VL Type */
H5T_VLEN_MEMORY, /* VL datatype stored in memory */
H5T_VLEN_DISK, /* VL datatype stored on disk */
H5T_VLEN_MAXTYPE /* highest type (Invalid as true type) */
} H5T_vlen_type_t;
/*
* Internal data structure for passing information to H5T_vlen_get_buf_size
*/
typedef struct {
hid_t dataset_id; /* ID of the dataset we are working on */
hid_t space_id; /* ID of the dataset's dataspace we are working on */
hid_t fl_tbuf_id; /* ID of the temporary buffer we are using for fixed-length data */
hid_t vl_tbuf_id; /* ID of the temporary buffer we are using for VL data */
hid_t xfer_pid; /* ID of the dataset xfer property list */
hsize_t size; /* Accumulated number of bytes for the selection */
} H5T_vlen_bufsize_t;
/*
* Is the path the special no-op path? The no-op function can be set by the
* application and there might be more than one no-op path in a
* multi-threaded application if one thread is using the no-op path when some
* other thread changes its definition.
*/
#define H5T_IS_NOOP(P) ((P)->is_hard && 0==H5T_cmp((P)->src, (P)->dst))
/* Private functions */
__DLL__ herr_t H5TN_init_interface(void);
__DLL__ herr_t H5T_init(void);
__DLL__ htri_t H5T_isa(H5G_entry_t *ent);
__DLL__ H5T_t *H5T_open(H5G_entry_t *loc, const char *name);
__DLL__ H5T_t *H5T_open_oid(H5G_entry_t *ent);
__DLL__ H5T_t *H5T_create(H5T_class_t type, size_t size);
__DLL__ H5T_t *H5T_copy(const H5T_t *old_dt, H5T_copy_t method);
__DLL__ herr_t H5T_commit(H5G_entry_t *loc, const char *name, H5T_t *type);
__DLL__ herr_t H5T_lock(H5T_t *dt, hbool_t immutable);
__DLL__ herr_t H5T_close(H5T_t *dt);
__DLL__ H5T_class_t H5T_get_class(const H5T_t *dt);
__DLL__ size_t H5T_get_size(const H5T_t *dt);
__DLL__ intn H5T_cmp(const H5T_t *dt1, const H5T_t *dt2);
__DLL__ htri_t H5T_is_atomic(const H5T_t *dt);
__DLL__ herr_t H5T_struct_insert(H5T_t *parent, const char *name,
size_t offset, intn ndims, const size_t *dim,
const intn *perm, const H5T_t *member);
__DLL__ herr_t H5T_enum_insert(H5T_t *dt, const char *name, void *value);
__DLL__ herr_t H5T_pack(H5T_t *dt);
__DLL__ herr_t H5T_debug(H5T_t *dt, FILE * stream);
__DLL__ H5G_entry_t *H5T_entof(H5T_t *dt);
__DLL__ H5T_path_t *H5T_path_find(const H5T_t *src, const H5T_t *dst,
const char *name, H5T_conv_t func);
__DLL__ herr_t H5T_sort_value(H5T_t *dt, int *map);
__DLL__ herr_t H5T_sort_name(H5T_t *dt, int *map);
__DLL__ herr_t H5T_convert(H5T_path_t *tpath, hid_t src_id, hid_t dst_id,
size_t nelmts, size_t stride, void *buf, void *bkg,
hid_t dset_xfer_plist);
__DLL__ herr_t H5T_set_size(H5T_t *dt, size_t size);
__DLL__ herr_t H5T_set_precision(H5T_t *dt, size_t prec);
__DLL__ herr_t H5T_set_offset(H5T_t *dt, size_t offset);
__DLL__ char *H5T_enum_nameof(H5T_t *dt, void *value, char *name/*out*/,
size_t size);
__DLL__ herr_t H5T_enum_valueof(H5T_t *dt, const char *name,
void *value/*out*/);
__DLL__ herr_t H5T_vlen_reclaim(void *elem, hid_t type_id, hsize_t UNUSED ndim, hssize_t UNUSED *point, void UNUSED *_op_data);
__DLL__ herr_t H5T_vlen_mark(H5T_t *dt, H5F_t *f, H5T_vlen_type_t loc);
__DLL__ H5R_type_t H5T_get_ref_type(const H5T_t *dt);
#endif
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