From 7fa4cc8de0ffb0a0914c1861987a19cf666febf6 Mon Sep 17 00:00:00 2001
From: Matthew Wild <mwild1@gmail.com>
Date: Mon, 24 Aug 2020 16:18:13 +0100
Subject: util.dbuffer: Fix :sub() not working with partially-consumed chunks
 (thanks Zash for test case)

This also appears to fix some bugs with chunk-encoded streams in net.http.parser.
---
 util/dbuffer.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'util')

diff --git a/util/dbuffer.lua b/util/dbuffer.lua
index 9ec40eb9..a50f3a64 100644
--- a/util/dbuffer.lua
+++ b/util/dbuffer.lua
@@ -123,7 +123,7 @@ function dbuffer_methods:sub(i, j)
 
 	self:collapse(j);
 
-	return self.items:peek():sub(i, j);
+	return self.items:peek():sub(self.front_consumed+1):sub(i, j);
 end
 
 function dbuffer_methods:byte(i, j)
-- 
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