From 044aec2c2a79141b87114c42ca1da50f893d63ff Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 3 Aug 2021 19:44:45 +0100
Subject: [PATCH] checkn: skip empty containers

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 src/slip.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/slip.rs b/src/slip.rs
index ad6254d..452634e 100644
--- a/src/slip.rs
+++ b/src/slip.rs
@@ -35,7 +35,8 @@ pub fn checkn<AC, EH, OUT, M: SlipMime+Copy>(
         AC: Fn(&[u8]) -> Result<(), PacketError> + Copy,
         EH: FnMut(PacketError),
 {
-//  eprintln!("before: {:?}", DumpHex(data));
+  //  eprintln!("before: {:?}", DumpHex(data));
+  if data.is_empty() { return }
   for packet in data.split(|&c| c == SLIP_END) {
     match check1(mime, mtu, packet, addr_chk) {
       Err(e) => error_handler(e),
-- 
2.30.2