From 6dafeb78209254ad4d93781f1bb405d08a374b2e Mon Sep 17 00:00:00 2001
From: Tim Culverhouse <tim@timculverhouse.com>
Date: Wed, 6 Mar 2024 19:23:47 -0600
Subject: [PATCH] render: check bounds when setting `skipped`

A double-wide character in the last cell can force this to go OOB.

Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
---
 src/vaxis.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/vaxis.zig b/src/vaxis.zig
index 48fcf26..8453f25 100644
--- a/src/vaxis.zig
+++ b/src/vaxis.zig
@@ -300,6 +300,7 @@ pub fn Vaxis(comptime T: type) type {
                     std.debug.assert(w > 0);
                     var j = i + 1;
                     while (j < i + w) : (j += 1) {
+                        if (j >= self.screen_last.buf.len) break;
                         self.screen_last.buf[j].skipped = true;
                     }
                     col += w;