c
// In ConvertUtf8NToWChar
SSIZE_T ConvertUtf8NToWChar(const char* str, size_t len, WCHAR* wstr, size_t wlen)
{
    if (str == NULL || wstr == NULL)
    {
        // Handle NULL pointer, e.g., return an error code
        return -1;
    }
    // ... rest of the function remains the same ...
}

// In Stream_Write_UTF16_String_From_UTF8
SSIZE_T Stream_Write_UTF16_String_From_UTF8(wStream* s, size_t dlen, const char* src, size_t length, BOOL fill)
{
    if (src == NULL || s == NULL)
    {
        // Handle NULL pointer, e.g., return an error code
        return -1;
    }
    // ... rest of the function remains the same ...
}

// In rdp_write_logon_info_v1
static BOOL rdp_write_logon_info_v1(wStream* s, logon_info* info)
{
    if (info == NULL || info->domain == NULL || s == NULL)
    {
        // Handle NULL pointer, e.g., return FALSE
        return FALSE;
    }
    // ... rest of the function remains the same ...
}
