void FormatVolumeName()

in host/common/win32/portablehelpersmajor.cpp [2921:2964]

• 36 lines of code
• 19 McCabe index (conditional complexity)

void FormatVolumeName(std::string& sName, bool bUnicodeFormat)
{
    if (IsVolumeNameInGuidFormat(sName))
        return;

    if (IsDrive(sName))
    {
        if ((true == bUnicodeFormat) && (false == sName.empty()) && (sName.find("\\\\.\\", 0) == std::string::npos))
        {
            if (sName.length() == 1 || (2 == sName.length() && ':' == sName[1]) || (3 == sName.length() && ':' == sName[1] && '\\' == sName[2]))
            {
                //
                // If volume name is a drive letter, map it to \\.\\X:
                // otherwise, just leave it as the device directory (e.g. x:\mnt\my_dir)
                //
                sName = "\\\\.\\" + sName;

                if (sName.rfind(":") == std::string::npos)
                {
                    sName = sName + ":";
                }

                std::string::size_type len = sName.length();
                std::string::size_type idx = len;
                if ('\\' == sName[len - 1] && ':' == sName[len - 2]) {
                    --idx;
                }

                if (idx < len) {
                    sName.erase(idx);
                }
            }
        }
        else
        {
            if (sName.rfind(":") == std::string::npos)
                sName += ":";
            if (sName.rfind("\\") == std::string::npos)
                sName += "\\";
        }
    }
    else if (IsMountPoint(sName))
        FormatVolumeNameForMountPoint(sName);
}