From 5fc239bd23e2ba7ddf6ba085b8b5721da9efde1c Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Sun, 26 Apr 2009 19:16:55 +0000
Subject: [PATCH] ignore empty strings when passed as a tracker url to the
 torrent constructor

---
 src/torrent.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/torrent.cpp b/src/torrent.cpp
index 9358932e5..6778e34df 100644
--- a/src/torrent.cpp
+++ b/src/torrent.cpp
@@ -218,7 +218,7 @@ namespace libtorrent
 
 		if (p.name && !p.ti) m_name.reset(new std::string(p.name));
 
-		if (p.tracker_url)
+		if (p.tracker_url && std::strlen(p.tracker_url) > 0)
 		{
 			m_trackers.push_back(announce_entry(p.tracker_url));
 			m_trackers.back().fail_limit = 0;