osrelate.cpp

蓝牙设备搜索与连接 RDSTerminal

#include "StdAfx.h"

#include "OSRelate.h"

TCHAR* hwFormatMessage ( DWORD dwErrorCode )
{
	static TCHAR szError[256] = {0};
    FormatMessage (
		FORMAT_MESSAGE_FROM_SYSTEM,
		NULL,
		dwErrorCode,
		MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),
		szError,
		LENGTH(szError),
		NULL);
	return szError;
}

//
// 等待线程退出
//
BOOL WaitForThreadEnd ( HANDLE *phThread, DWORD dwWaitTime /*=5000*/ )
{
	BOOL bRet = TRUE;
	ASSERT ( phThread );
	if ( !(*phThread) ) return TRUE;
	if ( ::WaitForSingleObject ( *phThread, dwWaitTime ) == WAIT_TIMEOUT )
	{
		bRet = FALSE;
		::TerminateThread ( *phThread, 0 );
	}
	::CloseHandle ( *phThread );
	(*phThread) = NULL;
	return bRet;
}

/********************************************************************************
* Function Type	:	Global
* Parameter		:	lpProgram	-	存放当前执行程序所在的路径字符串的缓冲
*					dwSize		-	缓冲大小
* Return Value	:	字符个数
* Description	:	得到当前执行程序所在的路径
*********************************************************************************/
int GetProgramDir(LPTSTR lpProgram,DWORD dwSize)
{
	ASSERT ( lpProgram );
	ZeroMemory(lpProgram,dwSize);
	GetModuleFileName(AfxGetInstanceHandle(),(LPTSTR)lpProgram,dwSize);
	LPTSTR p = (LPTSTR)strrchr_s((LPCTSTR)lpProgram, _T('\\'));
	if(!p) return 0;
	p[1] = _T('\0');
	int nLength = (int)(p - lpProgram)/sizeof(TCHAR);

	TCHAR szAppDir[MAX_PATH] = {0};
	strncpy_s ( szAppDir, AfxGetApp()->m_pszProfileName, MAX_PATH );
	p = (LPTSTR)strrchr_s((LPCTSTR)szAppDir, _T('\\'));
	if(!p) return nLength;
	p[1] = _T('\0');
	int nLength1 = (int)(p - szAppDir)/sizeof(TCHAR);
	if ( stricmp_s ( szAppDir, lpProgram ) != 0 )
	{
		CString csMsg;
		csMsg.Format ( _T("Get program directory maybe error occurred.\r\n%s\r\n%s"),
			lpProgram, szAppDir );
		strncpy_s ( lpProgram, szAppDir, dwSize );
		AfxMessageBox ( csMsg );
		return nLength1;
	}

	return nLength;
}

CString GetProgramDir()
{
	TCHAR szProgram[MAX_PATH] = {0};
	GetProgramDir ( szProgram, sizeof(szProgram) );
	return szProgram;
}