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/vdi.lua | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'plugins/vdi.lua')

diff --git a/plugins/vdi.lua b/plugins/vdi.lua
index 6124e43..a35c139 100644
--- a/plugins/vdi.lua
+++ b/plugins/vdi.lua
@@ -16,6 +16,9 @@
 --
 
 local detect = function (c)
+	if #c < 68 then
+		return false
+	end
 	c.position = 65
 	return c:read (4) == "\x7F\x10\xDA\xBE"
 end
-- 
cgit v1.2.3-70-g09d2