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| author | Scot Breitenfeld <brtnfld@hdfgroup.org> | 2012-12-12 04:00:34 (GMT) |
|---|---|---|
| committer | Scot Breitenfeld <brtnfld@hdfgroup.org> | 2012-12-12 04:00:34 (GMT) |
| commit | 7155aa6f1dbf1d01765f5a61dbbeb13098f548f6 (patch) | |
| tree | 56a909cc236f4a761c7f1e8538de9c9a53918188 /examples/h5_crtatt.c | |
| parent | 3079b8dde8eabe7b130473a859a3f0abddd46c2d (diff) | |
| download | hdf5-7155aa6f1dbf1d01765f5a61dbbeb13098f548f6.zip hdf5-7155aa6f1dbf1d01765f5a61dbbeb13098f548f6.tar.gz hdf5-7155aa6f1dbf1d01765f5a61dbbeb13098f548f6.tar.bz2 | |
[svn-r23091] Changed C examples to reflect changes in documentation via Barbara;
mainly program additions from tutorial.
Tested: jam (gnu compilers)
Diffstat (limited to 'examples/h5_crtatt.c')
| -rw-r--r-- | examples/h5_crtatt.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/examples/h5_crtatt.c b/examples/h5_crtatt.c new file mode 100644 index 0000000..17b61cb --- /dev/null +++ b/examples/h5_crtatt.c @@ -0,0 +1,63 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * 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 files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html. 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 "hdf5.h"
+#define FILE "dset.h5"
+
+int 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", H5P_DEFAULT);
+
+ /* 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, "Units", H5T_STD_I32BE, dataspace_id,
+ H5P_DEFAULT, 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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