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The H5R APIs were extended in HDF5-1.12 to support external references and attributes and to support the Virtual Object Layer (VOL). Information on these changes can be found below:

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Description

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  • Create (H5R_CREATE*) functions were added for each reference type : (attribute, object, and dataset region and attribute.):
    H5R_CREATE_ATTR, H5R_CREATE_OBJECT, H5R_CREATE_REGION

  • A function was added to release a reference (H5R_DESTROY). This is required because a region reference no longer modifies the original file.
  • Functions were added to query references (H5R_GET*).:
    H5R_GET_ATTR_NAME, H5R_GET_FILE_NAME, H5R_GET_OBJ_NAME, H5R_GET_OBJ_TYPE3, H5R_GET_TYPE

  • Other functions were added to simplify or clarify the API.

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In order to support the Virtual Object Layer

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HDF5 Library APIs

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