Mac地址和字符串之间的转换

std::string MacToStr(UINT8 * pMac,const char chKen/* = ':'*/)
{
	char szFormat[] = "%02X:%02X:%02X:%02X:%02X:%02X";
	int nLen = strlen(szFormat);
	if (chKen != ':')
	{
		for (int i = 2;i < nLen;i += 3)
		{
			szFormat[i] = chKen;
		}
	}

	char szMac[32] = {0};
	sprintf(szMac, szFormat, pMac[0], pMac[1], pMac[2], pMac[3], pMac[4], pMac[5]);
	std::string strRet(szMac);
	return strRet;
}

UINT8 charToData(const char ch)
{
	switch(ch)
	{
	case '0': return 0;
	case '1': return 1;
	case '2': return 2;
	case '3': return 3;
	case '4': return 4;
	case '5': return 5;
	case '6': return 6;
	case '7': return 7;
	case '8': return 8;
	case '9': return 9;
	case 'a': 
	case 'A': return 10;
	case 'b': 
	case 'B': return 11;
	case 'c':
	case 'C': return 12;
	case 'd': 
	case 'D': return 13;
	case 'e': 
	case 'E': return 14;
	case 'f':
	case 'F': return 15;	
	}
	return 0;
}

bool StrToMac(const char * szMac,UINT8 * pMac)
{
	const char * pTemp = szMac;
	for (int i = 0;i < 6;++i)
	{
		pMac[i] = charToData(*pTemp++) * 16;
		pMac[i] += charToData(*pTemp++);
		pTemp++;
	}	
}