Suggestion to keep the type of a file or directory in the stat field st_rdev.

[PCMan]

Another problem is, how can you map mime-type ids to mime-type strings?
It's not possible to hard code an array of known mime-types and look it up
with the ids.
Mime-types can be added to and removed from the system dynamically using
shared-mime-database.
The only possible way to do it I can think of is to have a list of known
types and use them only.
Or do you have a better way to do it?

On Sun, Mar 18, 2012 at 11:31 PM, Stef Bon <stefbon at gmail.com> wrote:

> Using Xattr is also possible.
>
> But keep in mind that storing this kind of information in extended
> attributes
> will result in two extra calls per file or directory, while when
> storing this in the rdev field no extra calls are required. And why
> use xattr when the rdev field is available?
>
> Still the storing of the type of the file or directory is the storing
> of an numerical value.
>
> Stef
>
>
>
>
> 2012/3/17 PCMan <pcman.tw at gmail.com>:
> > Can't xattr be used for this purpose?
> > IIRC storing mime-types in xattr is proposed long time ago.
> > However, most applications do not seem to use this.
> > Though it might be less efficient than a numeric id, this might be a more
> > portable way than using the rdev hack.
> >
>
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