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diff --git a/doxygen/dox/cookbook/Accessibility.dox b/doxygen/dox/cookbook/Accessibility.dox new file mode 100644 index 0000000..f100283 --- /dev/null +++ b/doxygen/dox/cookbook/Accessibility.dox @@ -0,0 +1,39 @@ +/** \page Accessibility + +\section Accessibility + +\subsection CB_MaintainCompat Maintaining Compatibility with other HDF5 Library Versions + +\par Problem +You want to ensure that the HDF5 files you produce or modify are accessible by all +releavnt tools and applications + +\par Solution +For HDF5 items (objects, attributes, etc.) that you would like to +create in new or existing HDF5 files, ascertain the supported range of HDF5 +library versions as lower and upper bounds. When creating new or opening +existing HDF5 files, use a file access property list and configure the supported +range via the H5Pset_libver_bounds() function.\n +In the example below, we restrict HDF5 item creation to the HDF5 1.8.x family of +library versions. +\snippet{lineno} Accessibility.c set_libver_bounds + +\par Discussion +See RFC \ref_rfc20160105 for a detailed and comprehensive account of HDF5 +versioning (library, file format spec., etc.) and the H5Pset_libver_bounds() +function.\n +The default range #H5F_LIBVER_EARLIEST (low) - #H5F_LIBVER_LATEST (high) offers the +widest compatibility range, but may not be suitable for certain (feature-)use +cases.\n +The HDF5 library comes with a \Emph{forward-} and \Emph{backward-compatibility} +guarantee: This means that the latest version of the library can always read +HDF5 files created by a version realesed earlier (backward compatibility). +It also means that a given release of the library can read the contents of +HDF5 files created with later versions of the library as long as the files +do not contain features introduced in later versions (forward compatibility). + +\par See Also +See the recipe \ref CB_LargeAttributes for an example where we use HDF5 +compatibility settings to enable the creation of large HDF5 attributes. + +*/
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