HDF5Common.cpp

Go to the documentation of this file.

#include <HDF5Common.hpp>
#include <H5Spublic.h>
#include <cassert>
 
namespace moab
{
 
bool HDF5_can_append_hyperslabs()
{
    hsize_t dim = 100;
    hid_t space = H5Screate_simple( 1, &dim, NULL );
    bool result = false;
 
    HDF5_Error_Func_Type fptr = 0;
    void* fdata               = 0;
#if defined( H5Eget_auto_vers ) && H5Eget_auto_vers > 1
    if( 0 <= H5Eget_auto( H5E_DEFAULT, &fptr, &fdata ) ) H5Eset_auto( H5E_DEFAULT, 0, 0 );
#else
    if( 0 <= H5Eget_auto( &fptr, &fdata ) ) H5Eset_auto( 0, 0 );
#endif
 
    hsize_t start = 1, count = 5;
    H5Sselect_hyperslab( space, H5S_SELECT_SET, &start, 0, &count, 0 );
    start = 20;
    if( 0 <= H5Sselect_hyperslab( space, H5S_SELECT_APPEND, &start, 0, &count, 0 ) ) result = true;
 
    if( fptr )
    {
#if defined( H5Eset_auto_vers ) && H5Eset_auto_vers > 1
        H5Eset_auto( H5E_DEFAULT, fptr, fdata );
#else
        H5Eset_auto( fptr, fdata );
#endif
    }
    H5Sclose( space );
 
    return result;
}
 
}  // namespace moab