From 3a4193a743904cc9526f71b6d9015905566cc5f7 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Tue, 2 Apr 2019 18:54:06 +0100
Subject: Fix hostname lookup

---
 netfs/daemon/daemon.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/netfs/daemon/daemon.cpp b/netfs/daemon/daemon.cpp
index a773716..ddd67f2 100644
--- a/netfs/daemon/daemon.cpp
+++ b/netfs/daemon/daemon.cpp
@@ -21,7 +21,10 @@ NetFSDaemon::hostname()
 	auto hostNameOverride = props->getProperty("NetFSD.HostNameOverride");
 	if (hostNameOverride.empty()) {
 		std::string buf(128, 0);
-		gethostname(buf.data(), buf.size());
+		if (gethostname(buf.data(), buf.size())) {
+			throw NetFS::Daemon::HostNotConfigured(strerror(errno));
+		}
+		buf.resize(strlen(buf.data()));
 		return buf;
 	}
 	return hostNameOverride;
-- 
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