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| HDF5 Last Updated on 2026-07-28 The HDF5 Field Guide

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H5FDsubfiling_priv.h File Reference
`#include "H5FDsubfiling.h"`
`#include "H5private.h"`
`#include "H5subfiling_common.h"`

## Data Structures
struct | info_header_t

## Macros
#define | DRIVER_INFO_MESSAGE_MAX_INFO 65536
#define | DRIVER_INFO_MESSAGE_MAX_LENGTH 65552 /* MAX_INFO + sizeof(info_header_t) */

## Functions
H5_DLL herr_t | H5FD__subfiling__get_real_eof (hid_t context_id, int64_t *logical_eof_ptr)
H5_DLL herr_t | H5FD__subfiling__truncate_sub_files (hid_t context_id, int64_t logical_file_eof, MPI_Comm comm)

## Macro Definition Documentation

## ◆ DRIVER_INFO_MESSAGE_MAX_INFO

#define DRIVER_INFO_MESSAGE_MAX_INFO 65536

## ◆ DRIVER_INFO_MESSAGE_MAX_LENGTH

#define DRIVER_INFO_MESSAGE_MAX_LENGTH 65552 /* MAX_INFO + sizeof(info_header_t) */

## Function Documentation

## ◆ H5FD__subfiling__get_real_eof()

H5_DLL herr_t H5FD__subfiling__get_real_eof | ( | hid_t | context_id,
|  | int64_t * | logical_eof_ptr )

## ◆ H5FD__subfiling__truncate_sub_files()

H5_DLL herr_t H5FD__subfiling__truncate_sub_files | ( | hid_t | context_id,
|  | int64_t | logical_file_eof,
|  | MPI_Comm | comm )