From 9e28495cb7309ea07431a02838eccbbb46841daa Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 9 Jun 2018 19:18:41 +0200
Subject: Fix send not working, allow sending 0 bytes

---
 src/DirectConnection.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/DirectConnection.cpp')

diff --git a/src/DirectConnection.cpp b/src/DirectConnection.cpp
index 713b3ac..8e60c47 100644
--- a/src/DirectConnection.cpp
+++ b/src/DirectConnection.cpp
@@ -126,7 +126,7 @@ namespace sibs
         std::thread([peer, data, sendDataCallbackFunc]()
         {
             usize sentSizeTotal = 0;
-            while(sentSizeTotal < data->size())
+            while(sentSizeTotal < data->size() || data->size() == 0)
             {
                 int sentSize = UDT::send(peer->socket, (char*)data->data() + sentSizeTotal, data->size() - sentSizeTotal, 0);
                 if(sentSize == UDT::ERROR)
@@ -135,6 +135,8 @@ namespace sibs
                         sendDataCallbackFunc(PubSubResult::ERROR, UDT::getlasterror_desc());
                 }
                 sentSizeTotal += sentSize;
+                if(data->size() == 0)
+                    break;
             }
             if(sendDataCallbackFunc)
                 sendDataCallbackFunc(PubSubResult::OK, "");
-- 
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