1 files changed, 6 insertions, 0 deletions
diff --git a/src/data.h b/src/data.h
index 3d404af8..0a15b613 100644
--- a/src/data.h
+++ b/src/data.h
@@ -89,6 +89,9 @@ struct gpgme_data
   /* File name of the data object.  */
   char *file_name;
 
+  /* Hint on the to be expected toatl size of the data.  */
+  gpgme_off_t size_hint;
+
   union
   {
     /* For gpgme_data_new_from_fd.  */
@@ -134,4 +137,7 @@ void _gpgme_data_release (gpgme_data_t dh);
    return -1.  */
 int _gpgme_data_get_fd (gpgme_data_t dh);
 
+/* Get the size-hint value for DH or 0 if not available.  */
+gpgme_off_t _gpgme_data_get_size_hint (gpgme_data_t dh);
+
 #endif	/* DATA_H */