glXGetFBConfigs() return value

[Tomas Carnecky]

Ian Romanick wrote:
> Tomas Carnecky wrote:
>> GLXFBConfig *list = glXGetFBConfigs(...);
>> GLXFBConfig copy = list[0];
>> XFree(list);
>> glXGetFBConfigAttrib(.., copy, ..);
> 
> Yeah, this code should be fine.
> 

Thanks. And is 'None' a valid value for a GLXFBConfig? To be used in
code like this:

GLXFBConfig findFBConfig(...)
{
    if (...)
        return None;
    return (GLXFBConfig) ...
}

tom