C / C++ / MFC

CodingLover wrote:

pOutFileStream->Read(writeBuffer, sizeof(writeBuffer), &readLen);

HRESULT hrRead;
ULONG readLen = 0;
do
{
        char writeBuffer[100] = {0};
        wchar_t ReadBuffer[100] = {0};
        hrRead = pOutFileStream->Read(ReadBuffer, 100 , &readLen);
        WideCharToMultiByte( CP_ACP, NULL, ReadBuffer, -1,writeBuffer, 100, NULL, NULL );
        str.write(writeBuffer, strlen(writeBuffer));
}while(hrRead == S_OK);

int GetStat::CopyTo(ostream& str)
{
	HRESULT hrSeek, hrRead;
	ULONG readLen = 0;
	LARGE_INTEGER startPos = {0};

	// Seek to the begining of the stream
	if((hrSeek = pOutFileStream->Seek(startPos, STREAM_SEEK_SET, NULL)) != S_OK)
	{
		LOG4CPLUS_ERROR(RF_GROUP_LOGGER, "Stream seek failed." << __FUNCTION__);
		return -1;
	}

	do
	{
		char writeBuffer[256] = {0};
		wchar_t ReadBuffer[100] = {0};
		hrRead = pOutFileStream->Read(writeBuffer, sizeof(writeBuffer), &readLen);
		//int rec = WideCharToMultiByte(CP_ACP, NULL, ReadBuffer, -1,writeBuffer, 100, NULL, NULL);
		//if(rec == 0)
		//	std::cout << "WideCharToMultiByte" << std::endl;
		str.write(writeBuffer, readLen);
	}while(hrRead == S_OK);

	return 0;
}

std::string GetStat::GetAsString(void)
{
	stringstream str(ios::in|ios::out|ios::binary);

	if(CopyTo(str) == 0)
		return str.str();

	return "";
}

int GetStat::Result()
{
	std::string temp = GetAsString();
	std::cout << temp << std::endl;

	char buff[256] = {0}; 
	sprintf(buff, "%s", temp.c_str());
}

I appreciate your help all the time...
CodingLover

CodingLover wrote:

ReadBuffer contains all zeros

CodingLover wrote:

In the WriteBuffer after each character it contain zero

Naveen wrote:

BTW there is another solution for the sprintf to work with unicode strings. used "%S" instead of "%s" in the format specifier.

I appreciate your help all the time...
CodingLover

HRESULT hrRead;	ULONG readLen = 0;
do {
	char writeBuffer[100] = {0};
	hrRead = pOutFileStream->Read(writeBuffer, sizeof(writeBuffer), &readLen);
	if (hrRead!=S_OK) break; //try add this and 
	str.write(writeBuffer, readLen); // Does it write from the beginning of the stream?
} while(hrRead == S_OK);