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