Document why data transform ctx field doesnt use macro

HDFGroup · Jun 18, 2024 · 308af87 · 308af87
1 parent 84c8818
commit 308af87
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/H5CX.c b/src/H5CX.c
@@ -2371,6 +2371,9 @@ H5CX_get_data_transform(H5Z_data_xform_t **data_transform)
  assert(head && *head);
  assert(H5P_DEFAULT != (*head)->ctx.dxpl_id);
 
+ /* This getter does not use H5CX_RETRIEVE_PROP_VALID in order to use H5P_peek instead of H5P_get.
+ This prevents invocation of the data transform property's library-defined copy callback */
+
  /* Check if the value has been retrieved already */
  if (!(*head)->ctx.data_transform_valid) {
  /* Check for default DXPL */