normalize path

String NormalizePath(const String& path)
{
    Int first, last, length, i;
    length = path.length();

    // Locate the first directory separator
    for(i = 0; i < length; ++i)
    {
        Char letter = path[i];

        if((letter == '/') || (letter == '\\'))
        {
            first = last = i;
            break;
        }
    }

    // Locate the last directory separator
    for(++i; i < length; ++i)
    {
        Char letter = path[i];

        if((letter == '/') || (letter == '\\'))
        {
            last = i;
            break;
        }
    }

    // Exit if the path is already normalized
    if(first == last) { return path; }

    Int filenameLength = length - last;
    Char normalized[MAX_PATH];
    ZeroMemory(normalized, MAX_PATH);
    // Copy the characters into the normalized string
    // Front
    for(i = 0; i < first; ++i)
    {
        normalized[i] = path[i];
    }
    // Back
    for(i = 0; i < filenameLength; ++i)
    {
        normalized[first + i] = path[last + i];
    }

    return normalized;
}