1 files changed, 99 insertions, 0 deletions
diff --git a/HDF5Examples/C/H5G/h5ex_g_intermediate.c b/HDF5Examples/C/H5G/h5ex_g_intermediate.c
new file mode 100644
index 0000000..55c8c64
--- /dev/null
+++ b/HDF5Examples/C/H5G/h5ex_g_intermediate.c
@@ -0,0 +1,99 @@
+/************************************************************
+
+  This example shows how to create intermediate groups with
+  a single call to H5Gcreate.
+
+ ************************************************************/
+
+#include "hdf5.h"
+
+#define FILE "h5ex_g_intermediate.h5"
+
+/*
+ * Operator function to be called by H5Ovisit.
+ */
+herr_t op_func(hid_t loc_id, const char *name, const H5O_info_t *info, void *operator_data);
+
+int
+main(void)
+{
+    hid_t  file  = H5I_INVALID_HID;
+    hid_t  group = H5I_INVALID_HID;
+    hid_t  gcpl  = H5I_INVALID_HID;
+    herr_t status;
+
+    /*
+     * Create a new file using the default properties.
+     */
+    file = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+
+    /*
+     * Create group creation property list and set it to allow creation
+     * of intermediate groups.
+     */
+    gcpl   = H5Pcreate(H5P_LINK_CREATE);
+    status = H5Pset_create_intermediate_group(gcpl, 1);
+
+    /*
+     * Create the group /G1/G2/G3.  Note that /G1 and /G1/G2 do not
+     * exist yet.  This call would cause an error if we did not use the
+     * previously created property list.
+     */
+    group = H5Gcreate(file, "/G1/G2/G3", gcpl, H5P_DEFAULT, H5P_DEFAULT);
+
+    /*
+     * Print all the objects in the files to show that intermediate
+     * groups have been created.  See h5ex_g_visit for more information
+     * on how to use H5Ovisit.
+     */
+    printf("Objects in the file:\n");
+#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
+    status = H5Ovisit(file, H5_INDEX_NAME, H5_ITER_NATIVE, op_func, NULL, H5O_INFO_ALL);
+#else
+    status = H5Ovisit(file, H5_INDEX_NAME, H5_ITER_NATIVE, op_func, NULL);
+#endif
+
+    /*
+     * Close and release resources.
+     */
+    status = H5Pclose(gcpl);
+    status = H5Gclose(group);
+    status = H5Fclose(file);
+
+    return 0;
+}
+
+/************************************************************
+
+  Operator function for H5Ovisit.  This function prints the
+  name and type of the object passed to it.
+
+ ************************************************************/
+herr_t
+op_func(hid_t loc_id, const char *name, const H5O_info_t *info, void *operator_data)
+{
+    printf("/"); /* Print root group in object path */
+
+    /*
+     * Check if the current object is the root group, and if not print
+     * the full path name and type.
+     */
+    if (name[0] == '.') /* Root group, do not print '.' */
+        printf("  (Group)\n");
+    else
+        switch (info->type) {
+            case H5O_TYPE_GROUP:
+                printf("%s  (Group)\n", name);
+                break;
+            case H5O_TYPE_DATASET:
+                printf("%s  (Dataset)\n", name);
+                break;
+            case H5O_TYPE_NAMED_DATATYPE:
+                printf("%s  (Datatype)\n", name);
+                break;
+            default:
+                printf("%s  (Unknown)\n", name);
+        }
+
+    return 0;
+}