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+/////////////////////////////////////////////////////////////////////////////
+// examples/nxflat/tests/hello++/hello++2.c
+//
+// Copyright (C) 2009 Gregory Nutt. All rights reserved.
+// Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in
+// the documentation and/or other materials provided with the
+// distribution.
+// 3. Neither the name NuttX nor the names of its contributors may be
+// used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+/////////////////////////////////////////////////////////////////////////////
+//
+// This is an another trivial version of "Hello, World" design. It illustrates
+//
+// - Building a C++ program to use the C library
+// - Basic class creation
+// - NO Streams
+// - NO Static constructor and destructors
+//
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Included Files
+/////////////////////////////////////////////////////////////////////////////
+
+#include <cstdio>
+
+/////////////////////////////////////////////////////////////////////////////
+// Classes
+/////////////////////////////////////////////////////////////////////////////
+
+class CThingSayer
+{
+ const char *szWhatToSay;
+public:
+ CThingSayer(void)
+ {
+ printf("CThingSayer::CThingSayer: I am!\n");
+ szWhatToSay = (const char*)NULL;
+ }
+
+ ~CThingSayer(void)
+ {
+ printf("CThingSayer::~CThingSayer: I cease to be\n");
+ if (szWhatToSay)
+ {
+ printf("CThingSayer::~CThingSayer: I will never say '%s' again\n",
+ szWhatToSay);
+ }
+ szWhatToSay = (const char*)NULL;
+ }
+
+ void Initialize(const char *czSayThis)
+ {
+ printf("CThingSayer::Initialize: When told, I will say '%s'\n",
+ czSayThis);
+ szWhatToSay = czSayThis;
+ }
+
+ void SayThing(void)
+ {
+ printf("CThingSayer::SayThing: I am now saying '%s'\n", szWhatToSay);
+ }
+};
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Functions
+/////////////////////////////////////////////////////////////////////////////
+
+int main(int argc, char **argv)
+{
+ CThingSayer *MyThingSayer;
+
+ printf("main: Started. Creating MyThingSayer\n");
+
+ // Create an instance of the CThingSayer class
+ // We should see the message from constructor, CThingSayer::CThingSayer(),
+
+ MyThingSayer = new CThingSayer;
+ printf("main: Created MyThingSayer=0x%08lx\n", (long)MyThingSayer);
+
+ // Tell MyThingSayer that "Hello, World!" is the string to be said
+
+ printf("main: Calling MyThingSayer->Initialize\n");;
+ MyThingSayer->Initialize("Hello, World!");
+
+ // Tell MyThingSayer to say the thing we told it to say
+
+ printf("main: Calling MyThingSayer->SayThing\n");;
+ MyThingSayer->SayThing();
+
+ // We should see the message from the destructor,
+ // CThingSayer::~CThingSayer(), AFTER we see the following
+
+ printf("main: Destroying MyThingSayer\n");
+ delete MyThingSayer;
+
+ printf("main: Returning\n");;
+ return 0;
+}