www.pudn.com > 费尔防火墙源代码.zip > XCommon.cpp

#include "stdafx.h" 
#include "xcommon.h" 
 
CString CXCommon::DIPToSIP(DWORD* pIP) 
{ 
	if(pIP == NULL) 
		return _T(""); 
 
	CString	s; 
	BYTE	*b = (BYTE*)pIP; 
	s.Format(_T("%d.%d.%d.%d"),b[3],b[2],b[1],b[0]); 
 
	return s; 
} 
 
/*--------------------------------------------------------------------------------------------- 
	index from 0 start, for example: 
	index:				0 1 2 3 4 5 6 7 
	Binary value:		0 0 0 0 0 0 0 0 
*/ 
int	CXCommon::GetBit(BYTE bit, int index, int count) 
{ 
	bit <<= index; 
	bit >>= (8 - count); 
 
	return bit; 
} 
 
int CXCommon::SetBit(BYTE* bit, int index, BOOL isTrue) 
{ 
	BYTE bOr = 0xFF,bAnd = 0x00; 
 
	bOr <<= index; 
	bOr >>= 7; 
	bOr <<= (7 - index); 
	bAnd = ~bOr; 
 
	if(isTrue) 
		*bit = *bit | bOr; 
	else 
		*bit = *bit & bAnd; 
 
	return 0; 
} 
 
//============================================================================================ 
//static function 
 
CString CXCommon::GetAppPath(BOOL IsDLL, HINSTANCE instance, BOOL IsFullPathName)  
{ 
	TCHAR sFilename[_MAX_PATH]; 
	TCHAR sDrive[_MAX_DRIVE]; 
	TCHAR sDir[_MAX_DIR]; 
	TCHAR sFname[_MAX_FNAME]; 
	TCHAR sExt[_MAX_EXT]; 
 
	if(IsDLL) 
		GetModuleFileName(instance, sFilename, _MAX_PATH); 
	else 
		GetModuleFileName(AfxGetInstanceHandle(), sFilename, _MAX_PATH); 
 
	if(IsFullPathName) 
		return sFilename; 
 
	_tsplitpath(sFilename, sDrive, sDir, sFname, sExt); 
 
	CString rVal(CString(sDrive) + CString(sDir)); 
	int nLen = rVal.GetLength(); 
 
	if (rVal.GetAt(nLen-1) != _T('\\')) 
		rVal += _T("\\"); 
 
	return rVal; 
} 
 
CString CXCommon::GetPath(TCHAR *sFilename)  
{ 
	TCHAR sDrive[_MAX_DRIVE]; 
	TCHAR sDir[_MAX_DIR]; 
	TCHAR sFname[_MAX_FNAME]; 
	TCHAR sExt[_MAX_EXT]; 
 
	_tsplitpath(sFilename, sDrive, sDir, sFname, sExt); 
 
	CString rVal(CString(sDrive) + CString(sDir)); 
	int nLen = rVal.GetLength(); 
 
	if (rVal.GetAt(nLen-1) != _T('\\')) 
		rVal += _T("\\"); 
 
	return rVal; 
}   
 
CString CXCommon::GetName(TCHAR *sFilename)  
{ 
	TCHAR sDrive[_MAX_DRIVE]; 
	TCHAR sDir[_MAX_DIR]; 
	TCHAR sFname[_MAX_FNAME]; 
	TCHAR sExt[_MAX_EXT]; 
 
	_tsplitpath(sFilename, sDrive, sDir, sFname, sExt); 
 
	CString rVal; 
	rVal.Format(_T("%s%s"), sFname, sExt); 
 
	return rVal; 
}