bc2bd03a46
Description: When using H5T_copy on committed datatypes that are already open, H5T_copy would properly use the already existing shared struct, but would still deep copy all of the fields in that struct. This would cause memory leaks, and in the case of a compound containing a vlen (or reference), the change in size would cause the size of the resulting type to be set to an incorrect value. Changed H5T_copy to properly avoid deep copies when using a reopened shared struct. Tested: jam, linew, smirom (h5committest), purify on jam
HDF5 version 1.8.3-snap2 currently under development
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