AfxWriteStringLength

AfxWriteStringLength.cpp

void AFXAPI AfxWriteStringLength(CArchive& ar, UINT_PTR nLength, BOOL bUnicode)
{
    if (bUnicode)
    {
        // Tag Unicode strings
        ar<<(BYTE)0xff;
        ar<<(WORD)0xfffe;
    }

    if (nLength < 255)
    {
        ar<<(BYTE)nLength;
    }
    else if (nLength < 0xfffe)
    {
        ar<<(BYTE)0xff;
        ar<<(WORD)nLength;
    }
    else if (nLength < 0xffffffff)
    {
        ar<<(BYTE)0xff;
        ar<<(WORD)0xffff;
        ar<<(DWORD)nLength;
    }
    else
    {
        ar<<(BYTE)0xff;
        ar<<(WORD)0xffff;
        ar<<(DWORD)0xffffffff;
        ar<<(ULONGLONG)nLength;
    }
}