H5LTopen_file_image and other elements of HDF5 are used to load an image of an HDF5 file into system memory and open that image as a regular HDF5 file. An application can then use the file without the overhead of disk I/O.
H5LTopen_file_image opens the HDF5 file image that is located in system memory at the address indicated by
buf_ptr of size
H5LTopen_file_image opens a file image with the Core driver,
The flags passed in
flags specify whether to open the image read-only or read/write, whether HDF5 is to take control of the buffer, and instruction regarding releasing the buffer.
This function is part of the file image operations feature set. It is highly recommended to study the guide “HDF5 File Image Operations” before using this feature set.
See the “See Also” section below for links to other elements of HDF5 file image operations.