scroll

commit a4faed60e37174f43dce47e099a8b55b1f1a5556
parent 129f09a92636f53610b2dd5d1e02ced0ff765615
Author: Jochen Sprickerhof <git@jochen.sprickerhof.de>
Date:   Fri, 17 Apr 2020 23:33:34 +0200

Catch invalid cursor positions

Diffstat:
M
scroll.c
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/scroll.c b/scroll.c
@@ -232,6 +232,9 @@ getcursorposition(int *x, int *y)
 
 	if (sscanf(input, "\033[%d;%dR", x, y) != 2)
 		die("parsing cursor position");
+
+	if (x <= 0 || y <= 0)
+		die("invalid cursor position");
 }
 
 void