Re: [GNOME VFS] gob inside gnome-vfs ...

[James Henstridge <james daa com au>]

Michael Meeks wrote:

> Hi James,
>
> On Wed, 2002-06-19 at 04:44, James Henstridge wrote:
>  
>
> > Of course, most of the structs in gnome-vfs can only be legitimately 
> > allocated by gnome-vfs functions, and there is no subclassing to worry 
> > about (and things like GnomeVFSFileInfo have a flags field to say which 
> > parts of the struct are valid), so it should be pretty easy to add stuff 
> > to the end of the structs.
> >    
>
> 	Unless, that is - people have arrays of them lurking in their apps eg.
> GnomeMagicEntry.
Which would be a bug in their software (the same way allocating a 
GObject on the stack would be).  I see no indication in the gnome-vfs 
headers or documentation that it is okay to allocate these structures 
yourself.  The only legitimate case would be an array of pointers to 
structs, which would not be affected.

I was simply trying to work out what kind of change Seth had in mind. 
The only one I can think of that would cause real binary compat 
breakage would be if he wanted to add extra padding to the start of 
structs so that it was possible to convert them to GObjects in the future.

James.

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