Added checks for native optional call support in some of the tools.

1 files changed, 16 insertions, 0 deletions

diff --git a/tools/src/h5dump/h5dump_ddl.c b/tools/src/h5dump/h5dump_ddl.c
index 9414f5b..e97ab7e 100644
--- a/tools/src/h5dump/h5dump_ddl.c
+++ b/tools/src/h5dump/h5dump_ddl.c
@@ -1136,6 +1136,22 @@ dump_fcpl(hid_t fid)
     unsigned sym_ik;    /* symbol table B-tree internal 'K' value */
     unsigned istore_ik; /* indexed storage B-tree internal 'K' value */
 
+    void *obj = NULL;
+    hid_t connector_id = H5I_INVALID_HID;
+    hbool_t supported = FALSE;
+
+    /* Dumping the information here only makes sense for the native
+     * VOL connector. The only VOL call here is H5Fget_info(), so we'll
+     * use that as a proxy for "native-ness". If that isn't supported, we'll
+     * just return.
+     */
+    obj = H5VLobject(fid);
+    connector_id = H5VLget_connector_id(fid);
+    H5VLintrospect_opt_query(obj, connector_id, H5VL_SUBCLS_FILE, H5VL_NATIVE_FILE_GET_INFO, &supported);
+    H5VLclose(connector_id);
+    if (!supported)
+        return;
+
     fcpl=H5Fget_create_plist(fid);
     H5Fget_info2(fid, &finfo);
     H5Pget_userblock(fcpl,&userblock);