///////////////////////////////////////////////////////////////////////////////
//
// Init.cpp 
// 
// Author: Oleg Starodumov
// 
//


///////////////////////////////////////////////////////////////////////////////
// 
// Description: 
// 
// This is probably the simplest possible example of using DbgHelp. 
// It shows how to: 
//   * Initialize and deinitialize DbgHelp 
//   * Load symbols for all modules of the current process 
//   * Ask DbgHelp to produce additional troubleshooting messages 
//
// Actions: 
// 
//   * Enable debug option 
//   * Initialize DbgHelp 
//   * Load symbols for itself 
//   * Deinitialize DbgHelp
//
//


///////////////////////////////////////////////////////////////////////////////
// Include files 
//

#include <windows.h>
#include <tchar.h>

#include <dbghelp.h>

#include <stdio.h>


///////////////////////////////////////////////////////////////////////////////
// Directives 
//

#pragma comment( lib, "dbghelp.lib" )


///////////////////////////////////////////////////////////////////////////////
// main 
//

int _tmain( int argc, const TCHAR* argv[] ) 
{
	BOOL bRet = FALSE; 


	// Set options 

	DWORD Options = SymGetOptions(); 

		// SYMOPT_DEBUG option asks DbgHelp to print additional troubleshooting 
		// messages to debug output - use the debugger's Debug Output window 
		// to view the messages 

	Options |= SYMOPT_DEBUG; 

	::SymSetOptions( Options ); 


	// Initialize DbgHelp and load symbols for all modules of the current process 

	bRet = ::SymInitialize ( 
	            GetCurrentProcess(),  // Process handle of the current process 
	            NULL,                 // No user-defined search path -> use default 
	            TRUE                  // Load symbols for all modules in the current process 
	          ); 

	if( !bRet ) 
	{
		_tprintf(_T("Error: SymInitialize() failed. Error code: %u \n"), ::GetLastError());
		return 0; 
	}


	// Deinitialize DbgHelp 

	bRet = ::SymCleanup( GetCurrentProcess() ); 

	if( !bRet ) 
	{
		_tprintf(_T("Error: SymCleanup() failed. Error code: %u \n"), ::GetLastError());
		return 0; 
	}


	// Complete 

	return 0; 
}