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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the COPYING file, which can be found at the root of the source code *
+ * distribution tree, or in https://www.hdfgroup.org/licenses. *
+ * If you do not have access to either file, you may request a copy from *
+ * help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * This example illustrates how to create an attribute attached to a
+ * dataset. It is used in the HDF5 Tutorial.
+ */
+
+#include <iostream>
+#include <string>
+#include "H5Cpp.h"
+using namespace H5;
+
+const H5std_string FILE_NAME("h5tutr_dset.h5");
+const H5std_string DATASET_NAME("dset");
+const H5std_string ATTR_NAME("Units");
+
+const int DIM1 = 2;
+
+int
+main(void)
+{
+ int attr_data[2] = {100, 200};
+ hsize_t dims[1] = {DIM1};
+
+ // Try block to detect exceptions raised by any of the calls inside it
+ try {
+ // Turn off the auto-printing when failure occurs so that we can
+ // handle the errors appropriately
+ Exception::dontPrint();
+
+ // Open an existing file and dataset.
+ H5File file(FILE_NAME, H5F_ACC_RDWR);
+ DataSet dataset = file.openDataSet(DATASET_NAME);
+
+ // Create the data space for the attribute.
+ DataSpace attr_dataspace = DataSpace(1, dims);
+
+ // Create a dataset attribute.
+ Attribute attribute = dataset.createAttribute(ATTR_NAME, PredType::STD_I32BE, attr_dataspace);
+
+ // Write the attribute data.
+ attribute.write(PredType::NATIVE_INT, attr_data);
+
+ } // end of try block
+
+ // catch failure caused by the H5File operations
+ catch (DataSpaceIException error) {
+ error.printErrorStack();
+ return -1;
+ }
+
+ // catch failure caused by the H5File operations
+ catch (AttributeIException error) {
+ error.printErrorStack();
+ return -1;
+ }
+
+ // catch failure caused by the H5File operations
+ catch (FileIException error) {
+ error.printErrorStack();
+ return -1;
+ }
+
+ // catch failure caused by the DataSet operations
+ catch (DataSetIException error) {
+ error.printErrorStack();
+ return -1;
+ }
+
+ return 0; // successfully terminated
+}