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Diffstat (limited to 'ncurses/base/lib_ungetch.c')
-rw-r--r--ncurses/base/lib_ungetch.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/ncurses/base/lib_ungetch.c b/ncurses/base/lib_ungetch.c
index 8742f867fa94..63a14cff7594 100644
--- a/ncurses/base/lib_ungetch.c
+++ b/ncurses/base/lib_ungetch.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2008,2009 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 *
@@ -30,6 +30,7 @@
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
* and: Thomas E. Dickey 1996-on *
+ * and: Juergen Pfeifer 2009 *
****************************************************************************/
/*
@@ -41,7 +42,7 @@
#include <curses.priv.h>
-MODULE_ID("$Id: lib_ungetch.c,v 1.11 2008/05/31 16:44:54 tom Exp $")
+MODULE_ID("$Id: lib_ungetch.c,v 1.14 2009/10/24 22:12:21 tom Exp $")
#include <fifo_defs.h>
@@ -57,10 +58,12 @@ _nc_fifo_dump(SCREEN *sp)
#endif /* TRACE */
NCURSES_EXPORT(int)
-_nc_ungetch(SCREEN *sp, int ch)
+safe_ungetch(SCREEN *sp, int ch)
{
int rc = ERR;
+ T((T_CALLED("ungetch(%p,%s)"), (void *) sp, _nc_tracechar(sp, ch)));
+
if (tail != -1) {
if (head == -1) {
head = 0;
@@ -79,12 +82,11 @@ _nc_ungetch(SCREEN *sp, int ch)
#endif
rc = OK;
}
- return rc;
+ returnCode(rc);
}
NCURSES_EXPORT(int)
ungetch(int ch)
{
- T((T_CALLED("ungetch(%s)"), _nc_tracechar(SP, ch)));
- returnCode(_nc_ungetch(SP, ch));
+ return safe_ungetch(CURRENT_SCREEN, ch);
}