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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This file contains public declarations for the H5R module.
*/
#ifndef _H5Rpublic_H
#define _H5Rpublic_H
/* Public headers needed by this file */
#include "H5public.h"
#include "H5Gpublic.h"
#include "H5Ipublic.h"
/*****************/
/* Public Macros */
/*****************/
/* Note! Be careful with the sizes of the references because they should really
* depend on the run-time values in the file. Unfortunately, the arrays need
* to be defined at compile-time, so we have to go with the worst case sizes
* for them. -QAK
*/
#define H5R_OBJ_REF_BUF_SIZE sizeof(haddr_t)
/* 4 is used instead of sizeof(int) to permit portability between the Crays
* and other machines (the heap ID is always encoded as an int32 anyway).
*/
#define H5R_DSET_REG_REF_BUF_SIZE (sizeof(haddr_t) + 4)
/*******************/
/* Public Typedefs */
/*******************/
/* Reference types */
typedef enum H5R_type_t {
H5R_BADTYPE = (-1), /* Invalid Reference Type */
H5R_OBJECT, /* Object reference */
H5R_DATASET_REGION, /* Dataset Region Reference */
H5R_MAXTYPE /* Highest type (Invalid as true type) */
} H5R_type_t;
/* Object reference structure for user's code
* This needs to be large enough to store largest haddr_t on a worst case
* machine (8 bytes currently).
*/
typedef haddr_t hobj_ref_t;
/* Dataset Region reference structure for user's code
* (Buffer to store heap ID and index)
* This needs to be large enough to store largest haddr_t in a worst case
* machine (8 bytes currently) plus an int
*/
typedef unsigned char hdset_reg_ref_t[H5R_DSET_REG_REF_BUF_SIZE];
/********************/
/* Public Variables */
/********************/
/*********************/
/* Public Prototypes */
/*********************/
#ifdef __cplusplus
extern "C" {
#endif
H5_DLL herr_t H5Rcreate(void *ref, hid_t loc_id, const char *name, H5R_type_t ref_type, hid_t space_id);
H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
H5_DLL hid_t H5Rget_region(hid_t dataset, H5R_type_t ref_type, const void *ref);
H5_DLL herr_t H5Rget_obj_type2(hid_t id, H5R_type_t ref_type, const void *_ref, H5O_type_t *obj_type);
H5_DLL ssize_t H5Rget_name(hid_t loc_id, H5R_type_t ref_type, const void *ref, char *name /*out*/,
size_t size);
/* Symbols defined for compatibility with previous versions of the HDF5 API.
*
* Use of these symbols is deprecated.
*/
#ifndef H5_NO_DEPRECATED_SYMBOLS
/* Function prototypes */
H5_DLL H5G_obj_t H5Rget_obj_type1(hid_t id, H5R_type_t ref_type, const void *_ref);
H5_DLL hid_t H5Rdereference1(hid_t obj_id, H5R_type_t ref_type, const void *ref);
#endif /* H5_NO_DEPRECATED_SYMBOLS */
#ifdef __cplusplus
}
#endif
#endif /* _H5Rpublic_H */
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