1 files changed, 53 insertions, 0 deletions
diff --git a/hl/src/H5LT.c b/hl/src/H5LT.c
index 1ef0f9d..a314f3f 100644
--- a/hl/src/H5LT.c
+++ b/hl/src/H5LT.c
@@ -1776,6 +1776,32 @@ H5LTset_attribute_ulong(hid_t loc_id, const char *obj_name, const char *attr_nam
 }
 
 /*-------------------------------------------------------------------------
+ * Function: H5LTset_attribute_ullong
+ *
+ * Purpose: Create and write an attribute.
+ *
+ * Return: Success: 0, Failure: -1
+ *
+ * Programmer: Alessandro Felder
+ *
+ * Date: August 27, 2021
+ *
+ * Comments:
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5LTset_attribute_ullong(hid_t loc_id, const char *obj_name, const char *attr_name,
+                         const unsigned long long *data, size_t size)
+{
+
+    if (H5LT_set_attribute_numerical(loc_id, obj_name, attr_name, size, H5T_NATIVE_ULLONG, data) < 0)
+        return -1;
+
+    return 0;
+}
+
+/*-------------------------------------------------------------------------
  * Function: H5LTset_attribute_float
  *
  * Purpose: Create and write an attribute.
@@ -3317,6 +3343,33 @@ H5LTget_attribute_ulong(hid_t loc_id, const char *obj_name, const char *attr_nam
 }
 
 /*-------------------------------------------------------------------------
+ * Function: H5LTget_attribute_ullong
+ *
+ * Purpose: Reads an attribute named attr_name
+ *
+ * Return: Success: 0, Failure: -1
+ *
+ * Programmer: Alessandro Felder
+ *
+ * Date: August 27, 2021
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5LTget_attribute_ullong(hid_t loc_id, const char *obj_name, const char *attr_name, unsigned long long *data)
+{
+    /* Get the attribute */
+    if (H5LT_get_attribute_mem(loc_id, obj_name, attr_name, H5T_NATIVE_ULLONG, data) < 0)
+        return -1;
+
+    return 0;
+}
+
+/*-------------------------------------------------------------------------
  * Function: H5LTget_attribute_float
  *
  * Purpose: Reads an attribute named attr_name