merged new xmlrpc-c revision 1472 from https://xmlrpc-c.svn.sourceforge.net/svnroot/xmlrpc-c/trunk

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8545 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/xmlrpc-c/lib/util/include/assertx.hpp

@@ -0,0 +1,27 @@
+#ifndef ASSERTX_HPP_INCLUDED
+#define ASSERTX_HPP_INCLUDED
+
+#include <cassert>
+
+/* The compiler often warns you if you give a function formal parameter a
+   name, but don't use it.  But because assert() disappears when doing an
+   optimized build, the compiler doesn't recognize your reference to the
+   parameter in the assert() argument.  To avoid the bogus warning in
+   this case, we have ASSERT_ONLY_ARG(), which declares a name for a
+   formal parameter for purposes of assert() only.  In cases where an
+   assert() would disappear, ASSERT_ONLY_ARG() disappears too.
+
+   E.g.
+
+   void foo(int const ASSERT_ONLY_ARG(arg1)) {
+
+       assert(arg1 > 0);
+   }
+*/
+#ifdef NDEBUG
+  #define ASSERT_ONLY_ARG(x)
+#else
+  #define ASSERT_ONLY_ARG(x) x
+#endif
+
+#endif