/****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2009,2011 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
#include <curses.priv.h>
-MODULE_ID("$Id: lib_ungetch.c,v 1.13 2009/04/18 20:30:12 tom Exp $")
+MODULE_ID("$Id: lib_ungetch.c,v 1.15 2011/05/28 22:52:06 tom Exp $")
#include <fifo_defs.h>
{
int rc = ERR;
- T((T_CALLED("ungetch(%p,%s)"), sp, _nc_tracechar(sp, ch)));
+ T((T_CALLED("ungetch(%p,%s)"), (void *) sp, _nc_tracechar(sp, ch)));
- if (tail != -1) {
+ if (sp != 0 && tail != -1) {
if (head == -1) {
head = 0;
t_inc();