From 019c4302ad86fd6981e8abc90cd8cb58003b662c Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch <p@janouch.name>
Date: Sun, 8 Dec 2024 22:36:02 +0100
Subject: Handle tiny files gracefully

Lua detection functions used to cause fatal errors on failure to read.

We could also reconsider treating detection errors as fatal.
---
 plugins/xcursor.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'plugins/xcursor.lua')

diff --git a/plugins/xcursor.lua b/plugins/xcursor.lua
index 740736f..3350d34 100644
--- a/plugins/xcursor.lua
+++ b/plugins/xcursor.lua
@@ -16,7 +16,7 @@
 --
 
 local detect = function (c)
-	return c:read (4) == "Xcur"
+	return #c >= 4 and c:read (4) == "Xcur"
 end
 
 -- https://www.x.org/releases/current/doc/man/man3/Xcursor.3.xhtml
-- 
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