From f41b617b347b6549d213482d0c75ddeadcf19a29 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Fri, 22 Jul 2011 14:33:30 -0700
Subject: uhd: added helpful UHD_VAR macro for debugging purposes

---
 host/include/uhd/utils/msg.hpp | 4 ++++
 host/tests/msg_test.cpp        | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/host/include/uhd/utils/msg.hpp b/host/include/uhd/utils/msg.hpp
index b0f00e13d..3aac9577a 100644
--- a/host/include/uhd/utils/msg.hpp
+++ b/host/include/uhd/utils/msg.hpp
@@ -34,6 +34,10 @@
 #define UHD_HERE() \
     UHD_MSG(status) << __FILE__ << ":" << __LINE__ << std::endl
 
+//! Helpful debug tool to print a variable
+#define UHD_VAR(var) \
+    UHD_MSG(status) << #var << " = " << var << std::endl;
+
 namespace uhd{ namespace msg{
 
     //! Possible message types
diff --git a/host/tests/msg_test.cpp b/host/tests/msg_test.cpp
index c05139ea9..94b81268c 100644
--- a/host/tests/msg_test.cpp
+++ b/host/tests/msg_test.cpp
@@ -33,5 +33,8 @@ BOOST_AUTO_TEST_CASE(test_messages){
         "This is a test print for an error message.\n"
         "And this is the second line of the test print.\n"
     ;
+    UHD_HERE();
+    const int x = 42;
+    UHD_VAR(x);
     std::cerr << "---end print test ---" << std::endl;
 }
-- 
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