From 0368e444af10db6b2e4e0a61d652a8246dafbf60 Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Fri, 17 Oct 2008 01:46:06 +0000
Subject: [PATCH] fix to torrent_info constructor to not try to access 0
 pointer when loading a 0 size torrent file

---
 src/torrent_info.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/torrent_info.cpp b/src/torrent_info.cpp
index e6f4e75f5..321e75aca 100644
--- a/src/torrent_info.cpp
+++ b/src/torrent_info.cpp
@@ -319,6 +319,13 @@ namespace libtorrent
 		int ret = load_file(filename, buf);
 		if (ret < 0) return;
 
+		if (buf.empty())
+#ifndef BOOST_NO_EXCEPTIONS
+			throw invalid_torrent_file();
+#else
+			return;
+#endif
+
 		lazy_entry e;
 		lazy_bdecode(&buf[0], &buf[0] + buf.size(), e);
 		std::string error;