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| HDF5 Last Updated on 2025-11-11 The HDF5 Field Guide

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Data Fields
H5F_info2_t Struct Reference

`#include <src/H5Fpublic.h>`

## Detailed Description

Current "global" information about file

## Data Fields
struct { |
hsize_t meta_size |
hsize_t tot_space |
unsigned version |
} | free |
struct { |
hsize_t hdr_size |
H5_ih_info_t msgs_info |
unsigned version |
} | sohm |
struct { |
hsize_t super_ext_size |
hsize_t super_size |
unsigned version |
} | super |

## Field Documentation

## ◆ [struct]

struct { ... } free

## ◆ hdr_size

hsize_t hdr_size

Shared object header message header size

## ◆ meta_size

hsize_t meta_size

Free space manager metadata size

## ◆ msgs_info

H5_ih_info_t msgs_info

Shared object header message index & heap size

## ◆ [struct]

struct { ... } sohm

## ◆ [struct]

struct { ... } super

## ◆ super_ext_size

hsize_t super_ext_size

Superblock extension size

## ◆ super_size

hsize_t super_size

Superblock size

## ◆ tot_space

hsize_t tot_space

Amount of free space in the file

## ◆ version

unsigned version

Superblock version number

Version number of file free space management

Version number of shared object header info

The documentation for this struct was generated from the following file:

- src/H5Fpublic.h