From 66c21b9e959ef5aa4a9b44a612b63d33674fecf7 Mon Sep 17 00:00:00 2001
From: Miran <narimiran@disroot.org>
Date: Tue, 14 Jul 2020 08:18:02 +0200
Subject: [PATCH] asyncftpclient.nim - don't assume a sufficiend line length
 (#14973)

(cherry picked from commit f4f21c89e57115a57ed97e30a9b9fe6c901ae453)
---
 lib/pure/asyncftpclient.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pure/asyncftpclient.nim b/lib/pure/asyncftpclient.nim
index 7a213f5539..e8c81da9d3 100644
--- a/lib/pure/asyncftpclient.nim
+++ b/lib/pure/asyncftpclient.nim
@@ -133,7 +133,7 @@ const multiLineLimit = 10000
 proc expectReply(ftp: AsyncFtpClient): Future[TaintedString] {.async.} =
   result = await ftp.csock.recvLine()
   var count = 0
-  while result[3] == '-':
+  while line.len > 3 and line[3] == '-':
     ## Multi-line reply.
     let line = await ftp.csock.recvLine()
     result.add("\n" & line)