From 09af5cbf7e8518b5e664ecc5138e83a884de6eff Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Fri, 9 Jul 2010 20:29:58 -0700
Subject: uhd: define ssize_t for msvc, fixed warning as well

---
 host/include/uhd/config.hpp               | 8 +++++++-
 host/lib/transport/vrt_packet_handler.hpp | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

(limited to 'host')

diff --git a/host/include/uhd/config.hpp b/host/include/uhd/config.hpp
index 013354d33..2360174a4 100644
--- a/host/include/uhd/config.hpp
+++ b/host/include/uhd/config.hpp
@@ -38,11 +38,17 @@
 # pragma warning(disable: 4250) // 'class' : inherits 'method' via dominance
 #endif
 
-//define logical operators
+// define logical operators
 #ifdef BOOST_MSVC
     #include <ciso646>
 #endif
 
+// define ssize_t
+#ifdef BOOST_MSVC
+    #include <cstddef>
+    typedef ptrdiff_t ssize_t;
+#endif
+
 // http://gcc.gnu.org/wiki/Visibility
 // Generic helper definitions for shared library support
 #if defined(BOOST_HAS_DECLSPEC)
diff --git a/host/lib/transport/vrt_packet_handler.hpp b/host/lib/transport/vrt_packet_handler.hpp
index 221e2bfa6..702d3bfb9 100644
--- a/host/lib/transport/vrt_packet_handler.hpp
+++ b/host/lib/transport/vrt_packet_handler.hpp
@@ -329,7 +329,7 @@ namespace vrt_packet_handler{
             );
 
             //commit the samples to the zero-copy interface
-            if (send_buffs[i]->commit(if_packet_info.num_packet_words32*sizeof(boost::uint32_t)) < num_samps){
+            if (send_buffs[i]->commit(if_packet_info.num_packet_words32*sizeof(boost::uint32_t)) < ssize_t(num_samps)){
                 std::cerr << "commit to send buffer returned less than commit size" << std::endl;
             }
         }
-- 
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