===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tty-keys.c,v
retrieving revision 1.165
retrieving revision 1.166
diff -u -r1.165 -r1.166
--- src/usr.bin/tmux/tty-keys.c	2023/01/09 14:12:41	1.165
+++ src/usr.bin/tmux/tty-keys.c	2023/04/17 17:57:35	1.166
@@ -1,4 +1,4 @@
-/* $OpenBSD: tty-keys.c,v 1.165 2023/01/09 14:12:41 nicm Exp $ */
+/* $OpenBSD: tty-keys.c,v 1.166 2023/04/17 17:57:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1008,7 +1008,8 @@
 
 /*
  * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
- * (probably a mouse sequence but need more data).
+ * (probably a mouse sequence but need more data), -2 if an invalid mouse
+ * sequence.
  */
 static int
 tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
@@ -1069,7 +1070,7 @@
 		if (b < MOUSE_PARAM_BTN_OFF ||
 		    x < MOUSE_PARAM_POS_OFF ||
 		    y < MOUSE_PARAM_POS_OFF)
-			return (-1);
+			return (-2);
 		b -= MOUSE_PARAM_BTN_OFF;
 		x -= MOUSE_PARAM_POS_OFF;
 		y -= MOUSE_PARAM_POS_OFF;
@@ -1111,7 +1112,7 @@
 
 		/* Check and return the mouse input. */
 		if (x < 1 || y < 1)
-			return (-1);
+			return (-2);
 		x--;
 		y--;
 		b = sgr_b;