ncurses 6.0 - patch 20170401

[ncurses.git] / ncurses / base / lib_slkclear.c

diff --git a/ncurses/base/lib_slkclear.c b/ncurses/base/lib_slkclear.c
index 99edcd538ec53baf6806040df3d2cbaf99c7574b..264c8c40812c9976331fda52cafdb213506a2852 100644 (file)
--- a/ncurses/base/lib_slkclear.c
+++ b/ncurses/base/lib_slkclear.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2001,2006 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2007,2009 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            *
@@ -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 +40,35 @@
  */
 #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 1.14 2009/11/07 16:27:05 tom Exp $")
 
 NCURSES_EXPORT(int)
-slk_clear(void)
+NCURSES_SP_NAME(slk_clear) (NCURSES_SP_DCL0)
 {
-    T((T_CALLED("slk_clear()")));
+    int rc = ERR;
+
+    T((T_CALLED("slk_clear(%p)"), (void *) SP_PARM));
 
-    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_PARM != 0 && SP_PARM->_slk != 0) {
+       SP_PARM->_slk->hidden = TRUE;
+       /* For simulated SLK's it looks much more natural to
+          inherit those attributes from the standard screen */
+       SP_PARM->_slk->win->_nc_bkgd = StdScreen(SP_PARM)->_nc_bkgd;
+       WINDOW_ATTRS(SP_PARM->_slk->win) = WINDOW_ATTRS(StdScreen(SP_PARM));
+       if (SP_PARM->_slk->win == StdScreen(SP_PARM)) {
+           rc = OK;
+       } else {
+           werase(SP_PARM->_slk->win);
+           rc = wrefresh(SP_PARM->_slk->win);
+       }
     }
+    returnCode(rc);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+slk_clear(void)
+{
+    return NCURSES_SP_NAME(slk_clear) (CURRENT_SCREEN);
 }
+#endif