47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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* Creating a dataset attribute.
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*/
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#include <hdf5.h>
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#define FILE "dset.h5"
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main() {
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hid_t file_id, dataset_id, attribute_id, dataspace_id; /* identifiers */
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hsize_t dims;
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int attr_data[2];
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herr_t status;
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/* Initialize the attribute data. */
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attr_data[0] = 100;
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attr_data[1] = 200;
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/* Open an existing file. */
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file_id = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);
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/* Open an existing dataset. */
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dataset_id = H5Dopen(file_id, "/dset");
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/* Create the data space for the attribute. */
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dims = 2;
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dataspace_id = H5Screate_simple(1, &dims, NULL);
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/* Create a dataset attribute. */
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attribute_id = H5Acreate(dataset_id, "attr", H5T_STD_I32BE, dataspace_id, H5P_DEFAULT);
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/* Write the attribute data. */
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status = H5Awrite(attribute_id, H5T_NATIVE_INT, attr_data);
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/* Close the attribute. */
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status = H5Aclose(attribute_id);
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/* Close the dataspace. */
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status = H5Sclose(dataspace_id);
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/* Close to the dataset. */
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status = H5Dclose(dataset_id);
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/* Close the file. */
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status = H5Fclose(file_id);
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}
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