Add high-level set/get for `unsigned long long` attributes. (#973)

* add ULL attr set/get signatures to LT public API

* add LT implementation of ULL set/get attribute

* fix copy-paste typo in test comment

* add ULL test data

* define ullong attr name global variable

* add LT tests for ULL attr set/get

* Committing clang-format changes

* correct type passed to lt get attr test for ULL

* update RELEASE.txt with added ULL set/get functionality

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

2 files changed, 59 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
diff --git a/hl/src/H5LTpublic.h b/hl/src/H5LTpublic.h
index 2af9b07..f19d353 100644
--- a/hl/src/H5LTpublic.h
+++ b/hl/src/H5LTpublic.h
@@ -139,6 +139,9 @@ H5_HLDLL herr_t H5LTset_attribute_long_long(hid_t loc_id, const char *obj_name,
 H5_HLDLL herr_t H5LTset_attribute_ulong(hid_t loc_id, const char *obj_name, const char *attr_name,
                                         const unsigned long *buffer, size_t size);
 
+H5_HLDLL herr_t H5LTset_attribute_ullong(hid_t loc_id, const char *obj_name, const char *attr_name,
+                                         const unsigned long long *buffer, size_t size);
+
 H5_HLDLL herr_t H5LTset_attribute_float(hid_t loc_id, const char *obj_name, const char *attr_name,
                                         const float *buffer, size_t size);
 
@@ -182,6 +185,9 @@ H5_HLDLL herr_t H5LTget_attribute_long_long(hid_t loc_id, const char *obj_name,
 H5_HLDLL herr_t H5LTget_attribute_ulong(hid_t loc_id, const char *obj_name, const char *attr_name,
                                         unsigned long *data);
 
+H5_HLDLL herr_t H5LTget_attribute_ullong(hid_t loc_id, const char *obj_name, const char *attr_name,
+                                         unsigned long long *data);
+
 H5_HLDLL herr_t H5LTget_attribute_float(hid_t loc_id, const char *obj_name, const char *attr_name,
                                         float *data);