From e433401fb883584d32b9b8159370ee57823b01bf Mon Sep 17 00:00:00 2001
From: Peter Powell
Date: Wed, 2 Jan 2019 20:21:21 +0000
Subject: Fix a crash when trying to use ROUTE_TYPE_MESSAGE with no message.

---
 src/modules/m_spanningtree/postcommand.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/modules/m_spanningtree/postcommand.cpp')

diff --git a/src/modules/m_spanningtree/postcommand.cpp b/src/modules/m_spanningtree/postcommand.cpp
index 448bb3b54..d3eab825f 100644
--- a/src/modules/m_spanningtree/postcommand.cpp
+++ b/src/modules/m_spanningtree/postcommand.cpp
@@ -101,7 +101,10 @@ void SpanningTreeUtilities::RouteCommand(TreeServer* origin, CommandBase* thiscm
 				return;
 			// TODO OnBuildExemptList hook was here
 			CUList exempts;
-			SendChannelMessage(user->uuid, c, parameters[1], pfx, parameters.GetTags(), exempts, command.c_str(), origin ? origin->GetSocket() : NULL);
+			std::string message;
+			if (parameters.size() >= 2)
+				message.assign(parameters[1]);
+			SendChannelMessage(user->uuid, c, message, pfx, parameters.GetTags(), exempts, command.c_str(), origin ? origin->GetSocket() : NULL);
 		}
 		else if (dest[0] == '$')
 		{
-- 
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