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hdf5/src/H5VLnative_object.c
Dana Robinson 8253ab9ebf
Convert hbool_t --> bool in src (#3496) 
* hbool_t --> bool in src

* Does not remove TRUE/FALSE
* Public header files are unchanged
* Public API calls are unchanged

* TRUE/FALSE --> true/false in src

* Add deprecation notice for hbool_t
2023-09-05 14:52:30 -07:00

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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 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: Object callbacks for the native VOL connector
*
*/
/****************/
/* Module Setup */
/****************/
#define H5F_FRIEND /* Suppress error about including H5Fpkg */
#define H5O_FRIEND /* Suppress error about including H5Opkg */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5Fpkg.h" /* Files (pkg needed for id_exists) */
#include "H5Gprivate.h" /* Groups */
#include "H5Iprivate.h" /* IDs */
#include "H5Opkg.h" /* Object headers */
#include "H5Pprivate.h" /* Property lists */
#include "H5VLprivate.h" /* Virtual Object Layer */
#include "H5VLnative_private.h" /* Native VOL connector */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*-------------------------------------------------------------------------
* Function: H5VL__native_object_open
*
* Purpose: Handles the object open callback
*
* Return: Success: object pointer
* Failure: NULL
*
*-------------------------------------------------------------------------
*/
void *
H5VL__native_object_open(void *obj, const H5VL_loc_params_t *loc_params, H5I_type_t *opened_type,
hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
{
H5G_loc_t loc;
void *ret_value = NULL;
FUNC_ENTER_PACKAGE
if (H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object");
switch (loc_params->type) {
case H5VL_OBJECT_BY_NAME: {
/* Open the object */
if (NULL == (ret_value = H5O_open_name(&loc, loc_params->loc_data.loc_by_name.name, opened_type)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by name");
break;
}
case H5VL_OBJECT_BY_IDX: {
/* Open the object */
if (NULL == (ret_value = H5O__open_by_idx(&loc, loc_params->loc_data.loc_by_idx.name,
loc_params->loc_data.loc_by_idx.idx_type,
loc_params->loc_data.loc_by_idx.order,
loc_params->loc_data.loc_by_idx.n, opened_type)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by index");
break;
}
case H5VL_OBJECT_BY_TOKEN: {
H5O_token_t token = *loc_params->loc_data.loc_by_token.token;
haddr_t addr;
/* Decode token */
if (H5VL_native_token_to_addr(loc.oloc->file, H5I_FILE, token, &addr) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTUNSERIALIZE, NULL,
"can't deserialize object token into address");
/* Open the object */
if (NULL == (ret_value = H5O__open_by_addr(&loc, addr, opened_type)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by address");
break;
}
case H5VL_OBJECT_BY_SELF:
default:
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "unknown open parameters");
} /* end switch */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_object_open() */
/*-------------------------------------------------------------------------
* Function: H5VL__native_object_copy
*
* Purpose: Handles the object copy callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t
H5VL__native_object_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, const char *src_name,
void *dst_obj, const H5VL_loc_params_t *loc_params2, const char *dst_name,
hid_t ocpypl_id, hid_t lcpl_id, hid_t H5_ATTR_UNUSED dxpl_id,
void H5_ATTR_UNUSED **req)
{
H5G_loc_t src_loc; /* Source object group location */
H5G_loc_t dst_loc; /* Destination group location */
herr_t ret_value = FAIL;
FUNC_ENTER_PACKAGE
/* get location for objects */
if (H5G_loc_real(src_obj, loc_params1->obj_type, &src_loc) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object");
if (H5G_loc_real(dst_obj, loc_params2->obj_type, &dst_loc) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object");
/* Copy the object */
if ((ret_value = H5O__copy(&src_loc, src_name, &dst_loc, dst_name, ocpypl_id, lcpl_id)) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object");
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_object_copy() */
/*-------------------------------------------------------------------------
* Function: H5VL__native_object_get
*
* Purpose: Handles the object get callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t
H5VL__native_object_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_get_args_t *args,
hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
{
herr_t ret_value = SUCCEED; /* Return value */
H5G_loc_t loc; /* Location of group */
FUNC_ENTER_PACKAGE
if (H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object");
switch (args->op_type) {
/* Object file */
case H5VL_OBJECT_GET_FILE: {
if (loc_params->type == H5VL_OBJECT_BY_SELF) {
*args->args.get_file.file = (void *)loc.oloc->file;
/* TODO we currently need to set id_exists to true because
* the upper layer will create an ID from the returned
* object. In theory this should not be needed and id_exists
* should be removed once the H5Fmount code gets fixed. */
loc.oloc->file->id_exists = true;
}
else
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown get_file parameters");
break;
}
/* Object name */
case H5VL_OBJECT_GET_NAME: {
if (loc_params->type == H5VL_OBJECT_BY_SELF) {
/* Retrieve object's name */
if (H5G_get_name(&loc, args->args.get_name.buf, args->args.get_name.buf_size,
args->args.get_name.name_len, NULL) < 0)
HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't retrieve object name");
} /* end if */
else if (loc_params->type == H5VL_OBJECT_BY_TOKEN) {
H5O_loc_t obj_oloc; /* Object location */
H5O_token_t token = *loc_params->loc_data.loc_by_token.token;
/* Initialize the object location */
H5O_loc_reset(&obj_oloc);
obj_oloc.file = loc.oloc->file;
/* Decode token */
if (H5VL_native_token_to_addr(obj_oloc.file, H5I_FILE, token, &obj_oloc.addr) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTUNSERIALIZE, FAIL,
"can't deserialize object token into address");
/* Retrieve object's name */
if (H5G_get_name_by_addr(loc.oloc->file, &obj_oloc, args->args.get_name.buf,
args->args.get_name.buf_size, args->args.get_name.name_len) < 0)
HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't determine object name");
} /* end else-if */
else
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown get_name parameters");
break;
}
/* Object type */
case H5VL_OBJECT_GET_TYPE: {
if (loc_params->type == H5VL_OBJECT_BY_TOKEN) {
H5O_loc_t obj_oloc; /* Object location */
unsigned rc; /* Reference count of object */
H5O_token_t token = *loc_params->loc_data.loc_by_token.token;
/* Initialize the object location */
H5O_loc_reset(&obj_oloc);
obj_oloc.file = loc.oloc->file;
/* Decode token */
if (H5VL_native_token_to_addr(obj_oloc.file, H5I_FILE, token, &obj_oloc.addr) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTUNSERIALIZE, FAIL,
"can't deserialize object token into address");
/* Get the # of links for object, and its type */
/* (To check to make certain that this object hasn't been deleted) */
if (H5O_get_rc_and_type(&obj_oloc, &rc, args->args.get_type.obj_type) < 0 || 0 == rc)
HGOTO_ERROR(H5E_REFERENCE, H5E_LINKCOUNT, FAIL, "dereferencing deleted object");
}
else
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown get_type parameters");
break;
}
/* H5Oget_info(_name|_by_idx)3 */
case H5VL_OBJECT_GET_INFO: {
if (loc_params->type == H5VL_OBJECT_BY_SELF) {
if (H5G_loc_info(&loc, ".", args->args.get_info.oinfo, args->args.get_info.fields) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found");
} /* end if */
else if (loc_params->type == H5VL_OBJECT_BY_NAME) {
if (H5G_loc_info(&loc, loc_params->loc_data.loc_by_name.name, args->args.get_info.oinfo,
args->args.get_info.fields) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found");
} /* end else-if */
else if (loc_params->type == H5VL_OBJECT_BY_IDX) {
H5G_loc_t obj_loc; /* Location used to open group */
H5G_name_t obj_path; /* Opened object group hier. path */
H5O_loc_t obj_oloc; /* Opened object object location */
/* Set up opened group location to fill in */
obj_loc.oloc = &obj_oloc;
obj_loc.path = &obj_path;
H5G_loc_reset(&obj_loc);
/* Find the object's location, according to the order in the index */
if (H5G_loc_find_by_idx(&loc, loc_params->loc_data.loc_by_idx.name,
loc_params->loc_data.loc_by_idx.idx_type,
loc_params->loc_data.loc_by_idx.order,
loc_params->loc_data.loc_by_idx.n, &obj_loc /*out*/) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "group not found");
/* Retrieve the object's information */
if (H5O_get_info(obj_loc.oloc, args->args.get_info.oinfo, args->args.get_info.fields) < 0) {
H5G_loc_free(&obj_loc);
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object info");
} /* end if */
/* Release the object location */
if (H5G_loc_free(&obj_loc) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTRELEASE, FAIL, "can't free location");
} /* end else-if */
else
HGOTO_ERROR(H5E_OHDR, H5E_UNSUPPORTED, FAIL, "unknown get info parameters");
break;
}
default:
HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from object");
} /* end switch */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_object_get() */
/*-------------------------------------------------------------------------
* Function: H5VL__native_object_specific
*
* Purpose: Handles the object specific callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t
H5VL__native_object_specific(void *obj, const H5VL_loc_params_t *loc_params,
H5VL_object_specific_args_t *args, hid_t H5_ATTR_UNUSED dxpl_id,
void H5_ATTR_UNUSED **req)
{
H5G_loc_t loc;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE
if (H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object");
switch (args->op_type) {
/* H5Oincr_refcount / H5Odecr_refcount */
case H5VL_OBJECT_CHANGE_REF_COUNT: {
if (H5O_link(loc.oloc, args->args.change_rc.delta) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, FAIL, "modifying object link count failed");
break;
}
/* H5Oexists_by_name */
case H5VL_OBJECT_EXISTS: {
if (loc_params->type == H5VL_OBJECT_BY_NAME) {
/* Check if the object exists */
if (H5G_loc_exists(&loc, loc_params->loc_data.loc_by_name.name, args->args.exists.exists) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to determine if '%s' exists",
loc_params->loc_data.loc_by_name.name);
} /* end if */
else
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown object exists parameters");
break;
}
/* Lookup object */
case H5VL_OBJECT_LOOKUP: {
if (loc_params->type == H5VL_OBJECT_BY_NAME) {
H5G_loc_t obj_loc; /* Group hier. location of object */
H5G_name_t obj_path; /* Object group hier. path */
H5O_loc_t obj_oloc; /* Object object location */
/* Set up opened group location to fill in */
obj_loc.oloc = &obj_oloc;
obj_loc.path = &obj_path;
H5G_loc_reset(&obj_loc);
/* Find the object */
if (H5G_loc_find(&loc, loc_params->loc_data.loc_by_name.name, &obj_loc) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found");
/* Encode token */
if (H5VL_native_addr_to_token(loc.oloc->file, H5I_FILE, obj_loc.oloc->addr,
args->args.lookup.token_ptr) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTSERIALIZE, FAIL,
"can't serialize address into object token");
/* Release the object location */
if (H5G_loc_free(&obj_loc) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTRELEASE, FAIL, "can't free location");
} /* end if */
else
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown object exists parameters");
break;
}
/* H5Ovisit/H5Ovisit_by_name */
case H5VL_OBJECT_VISIT: {
H5VL_object_visit_args_t *visit_args = &args->args.visit;
/* Call internal object visitation routine */
if (loc_params->type == H5VL_OBJECT_BY_SELF) {
if ((ret_value = H5O__visit(&loc, ".", visit_args->idx_type, visit_args->order,
visit_args->op, visit_args->op_data, visit_args->fields)) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_BADITER, FAIL, "object visitation failed");
} /* end if */
else if (loc_params->type == H5VL_OBJECT_BY_NAME) {
if ((ret_value = H5O__visit(&loc, loc_params->loc_data.loc_by_name.name, visit_args->idx_type,
visit_args->order, visit_args->op, visit_args->op_data,
visit_args->fields)) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_BADITER, FAIL, "object visitation failed");
} /* end else-if */
else
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown object visit params");
break;
}
case H5VL_OBJECT_FLUSH: {
/* Flush the object's metadata */
if (H5O_flush(loc.oloc, args->args.flush.obj_id) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object");
break;
}
case H5VL_OBJECT_REFRESH: {
/* Refresh the metadata */
if (H5O_refresh_metadata(loc.oloc, args->args.refresh.obj_id) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object");
break;
}
default:
HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't recognize this operation type");
} /* end switch */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_object_specific() */
/*-------------------------------------------------------------------------
* Function: H5VL__native_object_optional
*
* Purpose: Handles the object optional callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t
H5VL__native_object_optional(void *obj, const H5VL_loc_params_t *loc_params, H5VL_optional_args_t *args,
hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
{
H5G_loc_t loc; /* Location of group */
H5VL_native_object_optional_args_t *opt_args = args->args; /* Pointer to native operation's arguments */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE
if (H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object");
switch (args->op_type) {
/* H5Oget_comment / H5Oget_comment_by_name */
case H5VL_NATIVE_OBJECT_GET_COMMENT: {
H5VL_native_object_get_comment_t *gc_args = &opt_args->get_comment;
/* Retrieve the object's comment */
if (loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Oget_comment */
if (H5G_loc_get_comment(&loc, ".", gc_args->buf, gc_args->buf_size, gc_args->comment_len) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get comment for object");
} /* end if */
else if (loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oget_comment_by_name */
if (H5G_loc_get_comment(&loc, loc_params->loc_data.loc_by_name.name, gc_args->buf,
gc_args->buf_size, gc_args->comment_len) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get comment for object");
} /* end else-if */
else
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown set_coment parameters");
break;
}
/* H5Oset_comment */
case H5VL_NATIVE_OBJECT_SET_COMMENT: {
if (loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Oset_comment */
if (H5G_loc_set_comment(&loc, ".", opt_args->set_comment.comment) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found");
} /* end if */
else if (loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oset_comment_by_name */
if (H5G_loc_set_comment(&loc, loc_params->loc_data.loc_by_name.name,
opt_args->set_comment.comment) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found");
} /* end else-if */
else
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown set_coment parameters");
break;
}
/* H5Odisable_mdc_flushes */
case H5VL_NATIVE_OBJECT_DISABLE_MDC_FLUSHES: {
if (H5O__disable_mdc_flushes(loc.oloc) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTCORK, FAIL, "unable to cork the metadata cache");
break;
}
/* H5Oenable_mdc_flushes */
case H5VL_NATIVE_OBJECT_ENABLE_MDC_FLUSHES: {
if (H5O__enable_mdc_flushes(loc.oloc) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTUNCORK, FAIL, "unable to uncork the metadata cache");
break;
}
/* H5Oare_mdc_flushes_disabled */
case H5VL_NATIVE_OBJECT_ARE_MDC_FLUSHES_DISABLED: {
if (H5O__are_mdc_flushes_disabled(loc.oloc, opt_args->are_mdc_flushes_disabled.flag) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to determine metadata cache cork status");
break;
}
/* H5Oget_native_info(_name|_by_idx) */
case H5VL_NATIVE_OBJECT_GET_NATIVE_INFO: {
H5VL_native_object_get_native_info_t *gni_args = &opt_args->get_native_info;
/* Use the original H5Oget_info code to get the data */
if (loc_params->type == H5VL_OBJECT_BY_SELF) {
if (H5G_loc_native_info(&loc, ".", gni_args->ninfo, gni_args->fields) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found");
} /* end if */
else if (loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oget_info_by_name */
if (H5G_loc_native_info(&loc, loc_params->loc_data.loc_by_name.name, gni_args->ninfo,
gni_args->fields) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found");
} /* end else-if */
else if (loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Oget_info_by_idx */
H5G_loc_t obj_loc; /* Location used to open group */
H5G_name_t obj_path; /* Opened object group hier. path */
H5O_loc_t obj_oloc; /* Opened object object location */
/* Set up opened group location to fill in */
obj_loc.oloc = &obj_oloc;
obj_loc.path = &obj_path;
H5G_loc_reset(&obj_loc);
/* Find the object's location, according to the order in the index */
if (H5G_loc_find_by_idx(&loc, loc_params->loc_data.loc_by_idx.name,
loc_params->loc_data.loc_by_idx.idx_type,
loc_params->loc_data.loc_by_idx.order,
loc_params->loc_data.loc_by_idx.n, &obj_loc /*out*/) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "group not found");
if (H5O_get_native_info(obj_loc.oloc, gni_args->ninfo, gni_args->fields) < 0) {
H5G_loc_free(&obj_loc);
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object info");
} /* end if */
/* Release the object location */
if (H5G_loc_free(&obj_loc) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTRELEASE, FAIL, "can't free location");
} /* end else-if */
else
HGOTO_ERROR(H5E_OHDR, H5E_UNSUPPORTED, FAIL, "unknown get info parameters");
break;
}
default:
HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't perform this operation on object");
} /* end switch */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_object_optional() */
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