Example #1
0
BOOL MyFile::ReadAll( ByteBuffer& buffer )
{
	DWORD dwFileSize = ::GetFileSize(m_handle, NULL);
	if (0 == dwFileSize) 
	{
		buffer.Free();
		return TRUE;
	}

	buffer.Alloc(dwFileSize);

	LPBYTE lpPos = (LPBYTE) buffer;
	DWORD dwToRead = dwFileSize;
	DWORD dwRead = 0;
	while (::ReadFile(m_handle, lpPos, dwToRead, &dwRead, NULL) && dwRead > 0)
	{
		dwToRead -= dwRead;
		lpPos += dwRead;
	}

	if (0 == dwToRead)
	{
		return TRUE;
	}
	else
	{
		buffer.Free();
		return FALSE;
	}
}
Example #2
0
DWORD MyFile::Read( DWORD dwToRead, ByteBuffer& buffer )
{
	if (0 == dwToRead) return 0;

	buffer.Alloc(dwToRead);
	DWORD dwRead = 0;
	BOOL bRet = ::ReadFile(m_handle, (LPBYTE)buffer, dwToRead, &dwRead, NULL);
	if (bRet)
	{
		return dwRead;
	}
	else
	{
		buffer.Free();
		return 0;
	}
}