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Hi Ed, > Elena Pourmal <epourmal@xxxxxxxxxxxxx> writes: > > > Here is an example how to use H5Tget_native instead of constructing memory > > type > > > > http://hdf.ncsa.uiuc.edu/training/other-ex5/h5nestc.c > > > > OK, this seems like magic! :-) > I've changed by program to use the get_native_type function, and now > everything works perfectly. I've read the documentation for > H5Tget_native_type and it's really not clear to me how it manages to > deal with the padding of a struct. > > Can someone explain what's going on? What does get_native_type do for > compound types? As part of the process of building the library, we generate information about the compiler's padding for fields in compound types. H5Tget_native_type uses that information to translate a non-native compound type into a native compound type. Quincey P.S. - Sorry this is late - it was mis-filed by my procmail recipes and I just found it.