Checking for "nothing to redo" earlier, in order to restore the

possible warning about an internal error.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5380 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -2,6 +2,8 @@
 	* src/text.c (add_undo): Only skip adding an undo when the current
 	action equals the last action.  This condition is needed for when
 	typing text is broken by an undo+redo.  Fixes Savannah bug #46323.
+	* src/text.c (do_redo): Check for "nothing to redo" earlier, so we
+	can restore the possible warning about an internal error.
 
 2015-10-29  David Lawrence Ramsey  <pooka109@gmail.com>
 	* src/files.c (do_writeout), src/nano.c (no_current_file_name_warning,

src/text.c

@@ -628,12 +628,17 @@ void do_redo(void)
     char *data, *redidmsg = NULL;
     undo *u = openfile->undotop;
 
+    if (u == NULL || u == openfile->current_undo) {
+	statusbar(_("Nothing to re-do!"));
+	return;
+    }
+
     /* Get the previous undo item. */
     while (u != NULL && u->next != openfile->current_undo)
 	u = u->next;
 
-    if (u == NULL) {
-	statusbar(_("Nothing to re-do!"));
+    if (u->next != openfile->current_undo) {
+	statusbar(_("Internal error: cannot set up redo.  Please save your work."));
 	return;
     }