hxdslogger.cpp

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

#include <stdio.h>
#include <windows.h>
#include <winreg.h>
#include <stdlib.h>
#include <tchar.h>

#include "auddev.ver"

#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE		
static const char HX_THIS_FILE[] = __FILE__;
#endif

const char* kNotificationLogFileName = "c:\\DSLog.txt";
bool bEnableDSLoggingStateSet = false;
bool bEnableDSLogging = false;

BOOL RMEnableLogging();
void RMDSLog(const char* pFormatString, ...);


void RMDSLog(const char* pFormatString, ...)
{
    if(RMEnableLogging())
    {
	va_list argptr;
	va_start(argptr, pFormatString);

	FILE* pFile = ::fopen(kNotificationLogFileName, "a+"); /* Flawfinder: ignore */
	if (pFile)
	{
	    ::vfprintf(pFile, pFormatString, argptr); /* Flawfinder: ignore */
	    ::fclose(pFile);
	}

	va_end(argptr);
    }
}

BOOL RMEnableLogging()
{
    if(bEnableDSLoggingStateSet)
	return bEnableDSLogging;

    //By default, assume the home page is going to be where we start, then see if the registry says otherwise.
    BOOL bEnableLogging = FALSE;

    TCHAR szPrefKeyPath[256]; /* Flawfinder: ignore */
    HKEY hKeyPlayerPrefsDSLogging;
    const TCHAR* kEnableDSLogging = _T("EnableDSLogging");
    const TCHAR* kPlayerPrefKey = _T("Software\\RealNetworks\\RealPlayer");
    
    _stprintf(szPrefKeyPath,_T("%s\\%d.%d\\Preferences\\%s"), kPlayerPrefKey, TARVER_MAJOR_VERSION, TARVER_MINOR_VERSION, kEnableDSLogging); /* Flawfinder: ignore */

    if(ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER, szPrefKeyPath, 0, KEY_ALL_ACCESS ,&hKeyPlayerPrefsDSLogging))
    {
	TCHAR szDSLogging[10]; /* Flawfinder: ignore */
	ULONG cb = sizeof(szDSLogging);
	unsigned long type=REG_SZ;
	
	//get key value
	if (ERROR_SUCCESS == RegQueryValueEx( hKeyPlayerPrefsDSLogging, _T(""), NULL, &type , (unsigned char*)szDSLogging, &cb))
	    bEnableLogging = (1 == _ttoi(szDSLogging));

	RegCloseKey(hKeyPlayerPrefsDSLogging);

    }
    if(bEnableLogging)
    {
	FILE* pFile = ::fopen(kNotificationLogFileName, "w+");
	if (pFile)
	{
	    ::fclose(pFile);
	}
    }
    bEnableDSLogging = bEnableLogging;
    bEnableDSLoggingStateSet = true;
    return bEnableLogging;
}