From 259c2c6122f3807a70f8fcf0f7858a3a84049c52 Mon Sep 17 00:00:00 2001
From: Ken Arnold <arnold@ucbvax.Berkeley.EDU>
Date: Tue, 27 Jan 1981 01:02:57 -0800
Subject: [PATCH] date and time created 81/01/26 17:02:57 by arnold

SCCS-vsn: lib/libcurses/insertln.c 1.1
---
 usr/src/lib/libcurses/insertln.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 usr/src/lib/libcurses/insertln.c

diff --git a/usr/src/lib/libcurses/insertln.c b/usr/src/lib/libcurses/insertln.c
new file mode 100644
index 0000000000..f05aed1495
--- /dev/null
+++ b/usr/src/lib/libcurses/insertln.c
@@ -0,0 +1,27 @@
+# include	"curses.ext"
+
+/*
+ *	This routine performs an insert-line on the window, leaving
+ * (_cury,_curx) unchanged.
+ *
+ * %G% (Berkeley) @(#)insertln.c	1.1
+ */
+winsertln(win)
+reg WINDOW	*win; {
+
+	reg char	*temp;
+	reg int		y;
+	reg char	*end;
+
+	temp = win->_y[win->_cury];
+	win->_firstch[win->_cury] = 0;
+	win->_lastch[win->_cury] = win->_maxx - 1;
+	for (y = win->_maxy - 1; y > win->_cury; --y) {
+		win->_y[y] = win->_y[y-1];
+		win->_firstch[y] = 0;
+		win->_lastch[y] = win->_maxx - 1;
+	}
+	for (end = &temp[win->_maxx]; temp < end; )
+		*temp++ = ' ';
+	return OK;
+}
-- 
2.20.1