OpenSolaris Launch

1 files changed, 90 insertions, 0 deletions

diff --git a/usr/src/lib/libcurses/screen/wtouchln.c b/usr/src/lib/libcurses/screen/wtouchln.c
new file mode 100644
index 0000000000..52c1c89dbe
--- /dev/null
+++ b/usr/src/lib/libcurses/screen/wtouchln.c
@@ -0,0 +1,90 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*	Copyright (c) 1988 AT&T	*/
+/*	  All Rights Reserved	*/
+
+/*
+ * University Copyright- Copyright (c) 1982, 1986, 1988
+ * The Regents of the University of California
+ * All Rights Reserved
+ *
+ * University Acknowledgment- Portions of this document are derived from
+ * software developed by the University of California, Berkeley, and its
+ * contributors.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*LINTLIBRARY*/
+
+#include	<sys/types.h>
+#include	"curses_inc.h"
+
+/*
+ * Make a number of lines look like they have/have not been changed.
+ * y: the start line
+ * n: the number of lines affected
+ * changed:	1: changed
+ * 		0: not changed
+ * 		-1: changed. Called internally - In this mode
+ *		even REDRAW lines are changed.
+ */
+
+int
+wtouchln(WINDOW *win, int y, int n, int changed)
+{
+	short	*firstch, *lastch, b, e;
+	int	maxy = win->_maxy;
+
+	if (y >= maxy)
+		return (ERR);
+	if (y < 0)
+		y = 0;
+	if ((y + n) > maxy)
+		n = maxy - y;
+	firstch = win->_firstch + y;
+	lastch = win->_lastch + y;
+	if (changed) {
+		win->_flags |= _WINCHANGED;
+		b = 0;
+		e = win->_maxx - 1;
+	} else {
+		b = _INFINITY;
+		e = -1;
+		win->_flags &= ~_WINCHANGED;
+	}
+
+	for (; n-- > 0; firstch++, lastch++) {
+		if (changed == -1 || *firstch != _REDRAW)
+			*firstch = b, *lastch = e;
+	}
+
+	if ((changed == 1) && win->_sync)
+		wsyncup(win);
+
+	return (((changed == 1) && win->_immed) ? wrefresh(win) : OK);
+}