From c93e2f233206780ec1e2f0409c92326d06496a2d Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Fri, 19 Jun 2026 18:28:18 +0000
Subject: [PATCH] Do not loop forever if a pane ends up with borders the wrong
 way round.

---
 window-visible.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/window-visible.c b/window-visible.c
index 7feb496d..f5b03447 100644
--- a/window-visible.c
+++ b/window-visible.c
@@ -131,6 +131,8 @@ window_visible_ranges(struct window_pane *base_wp, int px, int py, u_int width,
 
 		for (i = 0; i < r->used; i++) {
 			ri = &r->ranges[i];
+			if (ri->nx == 0)
+				continue;
 			if (no_border) {
 				lb = wp->xoff;
 				rb = wp->xoff + (int)wp->sx - 1;
@@ -159,6 +161,8 @@ window_visible_ranges(struct window_pane *base_wp, int px, int py, u_int width,
 				rb = w->sx - 1;
 			else if (!no_border && rb > (int)w->sx)
 				rb = w->sx - 1;
+			if (lb > rb)
+				continue;
 
 			sx = ri->px;
 			ex = sx + ri->nx - 1;