From 9c576b10d0243bfd7b7a8e18756b892739261ef9 Mon Sep 17 00:00:00 2001
From: Peter Johnson <johnson.peter@gmail.com>
Date: Fri, 28 Aug 2015 12:24:33 -0700
Subject: [PATCH] NetworkTable: Don't prefix path with / if key is empty.

This avoids NetworkTable("").putValue("foo") resulting in key "//foo".
---
 src/networktables/NetworkTable.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/networktables/NetworkTable.cpp b/src/networktables/NetworkTable.cpp
index b82f03cb89..4f8650ca11 100644
--- a/src/networktables/NetworkTable.cpp
+++ b/src/networktables/NetworkTable.cpp
@@ -46,8 +46,10 @@ void NetworkTable::SetIPAddress(StringRef address) {
 std::shared_ptr<NetworkTable> NetworkTable::GetTable(StringRef key) {
   if (!s_running) Initialize();
   llvm::SmallString<128> path;
-  path += PATH_SEPARATOR_CHAR;
-  path += key;
+  if (!key.empty()) {
+    path += PATH_SEPARATOR_CHAR;
+    path += key;
+  }
   return std::make_shared<NetworkTable>(path, private_init());
 }