From f6fa26507f4f77d3691dd551e5af3040a6ccb911 Mon Sep 17 00:00:00 2001
From: Matteo Cypriani <matteo.cypriani@univ-fcomte.fr>
Date: Tue, 10 Jul 2012 16:15:45 +0200
Subject: [PATCH] [Positioner] EvAAL: do not send \0

The NULL character must not be sent at the end of the result string, or
the Socket Server behaves weirdly.
---
 owlps-positioner/src/outputtcpsocketevaal.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/owlps-positioner/src/outputtcpsocketevaal.cc b/owlps-positioner/src/outputtcpsocketevaal.cc
index 956ecaa..8c2c4b1 100644
--- a/owlps-positioner/src/outputtcpsocketevaal.cc
+++ b/owlps-positioner/src/outputtcpsocketevaal.cc
@@ -135,7 +135,9 @@ area_of_interest_number(const Point3D &position) const
  */
 bool OutputTCPSocketEvAAL::send_data(const string &data) const
 {
-  unsigned int data_len = data.size() + 1 ; // +1 for the '\0'
+  // Do *not* add one extra character for the '\0', it must not be sent!
+  unsigned int data_len = data.size() ;
+
   ssize_t nsent = send(sockfd, data.c_str(), data_len, 0) ;
   if (nsent != static_cast<ssize_t>(data_len))
     {