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-rw-r--r--contrib/ncurses/ncurses/base/lib_slkclear.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/contrib/ncurses/ncurses/base/lib_slkclear.c b/contrib/ncurses/ncurses/base/lib_slkclear.c
index 99edcd5..946ceea 100644
--- a/contrib/ncurses/ncurses/base/lib_slkclear.c
+++ b/contrib/ncurses/ncurses/base/lib_slkclear.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2001,2006 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2006,2007 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 *
@@ -29,6 +29,8 @@
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Juergen Pfeifer 1996-1999 *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
@@ -38,24 +40,27 @@
*/
#include <curses.priv.h>
-MODULE_ID("$Id: lib_slkclear.c,v 1.9 2006/05/27 19:21:19 tom Exp $")
+MODULE_ID("$Id: lib_slkclear.c,v 1.10 2007/12/29 17:51:47 tom Exp $")
NCURSES_EXPORT(int)
slk_clear(void)
{
+ int rc = ERR;
+
T((T_CALLED("slk_clear()")));
- if (SP == NULL || SP->_slk == NULL)
- returnCode(ERR);
- SP->_slk->hidden = TRUE;
- /* For simulated SLK's it's looks much more natural to
- inherit those attributes from the standard screen */
- SP->_slk->win->_nc_bkgd = stdscr->_nc_bkgd;
- WINDOW_ATTRS(SP->_slk->win) = WINDOW_ATTRS(stdscr);
- if (SP->_slk->win == stdscr) {
- returnCode(OK);
- } else {
- werase(SP->_slk->win);
- returnCode(wrefresh(SP->_slk->win));
+ if (SP != NULL && SP->_slk != NULL) {
+ SP->_slk->hidden = TRUE;
+ /* For simulated SLK's it looks much more natural to
+ inherit those attributes from the standard screen */
+ SP->_slk->win->_nc_bkgd = stdscr->_nc_bkgd;
+ WINDOW_ATTRS(SP->_slk->win) = WINDOW_ATTRS(stdscr);
+ if (SP->_slk->win == stdscr) {
+ rc = OK;
+ } else {
+ werase(SP->_slk->win);
+ rc = wrefresh(SP->_slk->win);
+ }
}
+ returnCode(rc);
}
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