Re: [Squeak-VMdev] Securing imageNamePutLength()

[Andreas R. <and...@gm...>]

Fine with me.

Cheers,
  - Andreas
----- Original Message ----- 
From: "Tim Rowledge" <ti...@su...>
To: <squ...@li...>
Sent: Wednesday, November 24, 2004 4:05 AM
Subject: [Squeak-VMdev] Securing imageNamePutLength()


> I'd like to improve the safety of the writing the image name; currently
> the slang code for primitiveImageName merely assumes success in writing
> absolutely anything you pass it. Since (so far as I can see) all
> platforms have a practical maximum path length it seems like a good
> thing to be able to return an indication as to whether the string was
> truly acceptable - size, illegal chars, plausible path, whatever suits
> the platform.
> 
> Right now all four main platforms do something different:-
> Acorn returns flase if the string cannot be canonicalised as a filename
> but returns default if ok!
> Mac returns the lesser of allowable image name size and actual length
> Unix returns the same
> Windows returns 1.
> 
> Can we agree that returning something uniform (say 0) to indicate that
> the prim should fail is a good idea? I'd like to make this a 3.8 thing
> if possible.
> 
> 
> tim
> --
> Tim Rowledge, ti...@su..., http://sumeru.stanford.edu/tim
> Oxymorons: Legally drunk
> 
> 
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