document limitation

diff --git a/lib/gnutls_range.c b/lib/gnutls_range.c
index f3d798b80d11ca7ca27297d8b41a187f791d580a..c710230211fa642bdc0ec547f610e42c0656ed56 100644 (file)
--- a/lib/gnutls_range.c
+++ b/lib/gnutls_range.c
@@ -223,6 +223,8 @@ _gnutls_range_fragment (size_t data_size, gnutls_range_st cur,
  * padding, and hence length hiding, use the gnutls_record_can_use_length_hiding()
  * function.
  *
+ * Note: This function currently is only limited to blocking sockets.
+ *
  * Returns: The number of bytes sent (that is data_size in a successful invocation),
  * or a negative error code.
  **/