From fab3b214b4963909660d8546ccefc6f5b33bee35 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Fri, 11 May 2018 10:13:15 +0200
Subject: [PATCH] Avoid static analyzer warning about integer wraparound

---
 gossipd/tor_autoservice.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gossipd/tor_autoservice.c b/gossipd/tor_autoservice.c
index 8afc66a61..00a8e52cc 100644
--- a/gossipd/tor_autoservice.c
+++ b/gossipd/tor_autoservice.c
@@ -161,6 +161,7 @@ static void negotiate_auth(struct rbuf *rbuf, const char *tor_password)
 				cookiefileerrno = errno;
 				continue;
 			}
+			assert(tal_len(contents) != 0);
 			discard_remaining_response(rbuf);
 			tor_send_cmd(rbuf,
 				     tal_fmt(tmpctx, "AUTHENTICATE %s",