1 files changed, 49 insertions, 0 deletions
diff --git a/lib/libncurses/lib_insertln.c b/lib/libncurses/lib_insertln.c
new file mode 100644
index 000000000000..7a5694e62941
--- /dev/null
+++ b/lib/libncurses/lib_insertln.c
@@ -0,0 +1,49 @@
+
+/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for   *
+*  details. If they are missing then this copy is in violation of	*
+*  the copyright conditions.										*/
+
+/*
+**	lib_insertln.c
+**
+**	The routine winsertln().
+**
+*/
+
+#include "curses.priv.h"
+#include <nterm.h>
+
+int  winsertln(WINDOW *win)
+{
+chtype	*temp, *end;
+int	y, touched = 0;
+
+	T(("winsertln(%x) called", win));
+
+	temp = win->_line[win->_regbottom];
+
+	if (win->_idlok && (insert_line != NULL)) {
+			putp(insert_line);
+			touched = 1;
+	}
+
+	if (!touched) {
+		win->_firstchar[win->_cury] = 0;
+		win->_lastchar[win->_cury] = win->_maxx;
+	}
+
+	for (y = win->_regbottom;  y > win->_cury;  y--) {
+		win->_line[y] = win->_line[y-1];
+
+		if (!touched) {
+			win->_firstchar[y] = 0;
+			win->_lastchar[y] = win->_maxx;
+		}
+	}
+
+	win->_line[win->_cury] = temp;
+
+	for (end = &temp[win->_maxx];  temp <= end;  temp++)
+		*temp = ' ' | win->_attrs;
+	return OK;
+}